--- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-4965-rs.h.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-4965-rs.h 2007-12-14 11:02:03.000000000 -0500 @@ -29,11 +29,11 @@ #include "iwl-4965.h" -struct iwl_rate_info { - u8 plcp; - u8 plcp_siso; - u8 plcp_mimo; - u8 ieee; +struct iwl4965_rate_info { + u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ + u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ + u8 plcp_mimo; /* uCode API: IWL_RATE_MIMO_6M_PLCP, etc. */ + u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ u8 prev_ieee; /* previous rate in IEEE speeds */ u8 next_ieee; /* next rate in IEEE speeds */ u8 prev_rs; /* previous rate used in rs algo */ @@ -42,6 +42,10 @@ struct iwl_rate_info { u8 next_rs_tgg; /* next rate used in TGG rs algo */ }; +/* + * These serve as indexes into + * struct iwl4965_rate_info iwl4965_rates[IWL_RATE_COUNT]; + */ enum { IWL_RATE_1M_INDEX = 0, IWL_RATE_2M_INDEX, @@ -83,6 +87,7 @@ enum { #define IWL_RATE_5M_MASK (1< + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#ifndef __iwl4965_debug_h__ +#define __iwl4965_debug_h__ + +#ifdef CONFIG_IWL4965_DEBUG +extern u32 iwl4965_debug_level; +#define IWL_DEBUG(level, fmt, args...) \ +do { if (iwl4965_debug_level & (level)) \ + printk(KERN_ERR DRV_NAME": %c %s " fmt, \ + in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) + +#define IWL_DEBUG_LIMIT(level, fmt, args...) \ +do { if ((iwl4965_debug_level & (level)) && net_ratelimit()) \ + printk(KERN_ERR DRV_NAME": %c %s " fmt, \ + in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) +#else +static inline void IWL_DEBUG(int level, const char *fmt, ...) +{ +} +static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) +{ +} +#endif /* CONFIG_IWL4965_DEBUG */ + +/* + * To use the debug system; + * + * If you are defining a new debug classification, simply add it to the #define + * list here in the form of: + * + * #define IWL_DL_xxxx VALUE + * + * shifting value to the left one bit from the previous entry. xxxx should be + * the name of the classification (for example, WEP) + * + * You then need to either add a IWL_xxxx_DEBUG() macro definition for your + * classification, or use IWL_DEBUG(IWL_DL_xxxx, ...) whenever you want + * to send output to that classification. + * + * To add your debug level to the list of levels seen when you perform + * + * % cat /proc/net/iwl/debug_level + * + * you simply need to add your entry to the iwl4965_debug_levels array. + * + * If you do not see debug_level in /proc/net/iwl then you do not have + * CONFIG_IWL4965_DEBUG defined in your kernel configuration + * + */ + +#define IWL_DL_INFO (1<<0) +#define IWL_DL_MAC80211 (1<<1) +#define IWL_DL_HOST_COMMAND (1<<2) +#define IWL_DL_STATE (1<<3) + +#define IWL_DL_RADIO (1<<7) +#define IWL_DL_POWER (1<<8) +#define IWL_DL_TEMP (1<<9) + +#define IWL_DL_NOTIF (1<<10) +#define IWL_DL_SCAN (1<<11) +#define IWL_DL_ASSOC (1<<12) +#define IWL_DL_DROP (1<<13) + +#define IWL_DL_TXPOWER (1<<14) + +#define IWL_DL_AP (1<<15) + +#define IWL_DL_FW (1<<16) +#define IWL_DL_RF_KILL (1<<17) +#define IWL_DL_FW_ERRORS (1<<18) + +#define IWL_DL_LED (1<<19) + +#define IWL_DL_RATE (1<<20) + +#define IWL_DL_CALIB (1<<21) +#define IWL_DL_WEP (1<<22) +#define IWL_DL_TX (1<<23) +#define IWL_DL_RX (1<<24) +#define IWL_DL_ISR (1<<25) +#define IWL_DL_HT (1<<26) +#define IWL_DL_IO (1<<27) +#define IWL_DL_11H (1<<28) + +#define IWL_DL_STATS (1<<29) +#define IWL_DL_TX_REPLY (1<<30) +#define IWL_DL_QOS (1<<31) + +#define IWL_ERROR(f, a...) printk(KERN_ERR DRV_NAME ": " f, ## a) +#define IWL_WARNING(f, a...) printk(KERN_WARNING DRV_NAME ": " f, ## a) +#define IWL_DEBUG_INFO(f, a...) IWL_DEBUG(IWL_DL_INFO, f, ## a) + +#define IWL_DEBUG_MAC80211(f, a...) IWL_DEBUG(IWL_DL_MAC80211, f, ## a) +#define IWL_DEBUG_TEMP(f, a...) IWL_DEBUG(IWL_DL_TEMP, f, ## a) +#define IWL_DEBUG_SCAN(f, a...) IWL_DEBUG(IWL_DL_SCAN, f, ## a) +#define IWL_DEBUG_RX(f, a...) IWL_DEBUG(IWL_DL_RX, f, ## a) +#define IWL_DEBUG_TX(f, a...) IWL_DEBUG(IWL_DL_TX, f, ## a) +#define IWL_DEBUG_ISR(f, a...) IWL_DEBUG(IWL_DL_ISR, f, ## a) +#define IWL_DEBUG_LED(f, a...) IWL_DEBUG(IWL_DL_LED, f, ## a) +#define IWL_DEBUG_WEP(f, a...) IWL_DEBUG(IWL_DL_WEP, f, ## a) +#define IWL_DEBUG_HC(f, a...) IWL_DEBUG(IWL_DL_HOST_COMMAND, f, ## a) +#define IWL_DEBUG_CALIB(f, a...) IWL_DEBUG(IWL_DL_CALIB, f, ## a) +#define IWL_DEBUG_FW(f, a...) IWL_DEBUG(IWL_DL_FW, f, ## a) +#define IWL_DEBUG_RF_KILL(f, a...) IWL_DEBUG(IWL_DL_RF_KILL, f, ## a) +#define IWL_DEBUG_DROP(f, a...) IWL_DEBUG(IWL_DL_DROP, f, ## a) +#define IWL_DEBUG_DROP_LIMIT(f, a...) IWL_DEBUG_LIMIT(IWL_DL_DROP, f, ## a) +#define IWL_DEBUG_AP(f, a...) IWL_DEBUG(IWL_DL_AP, f, ## a) +#define IWL_DEBUG_TXPOWER(f, a...) IWL_DEBUG(IWL_DL_TXPOWER, f, ## a) +#define IWL_DEBUG_IO(f, a...) IWL_DEBUG(IWL_DL_IO, f, ## a) +#define IWL_DEBUG_RATE(f, a...) IWL_DEBUG(IWL_DL_RATE, f, ## a) +#define IWL_DEBUG_RATE_LIMIT(f, a...) IWL_DEBUG_LIMIT(IWL_DL_RATE, f, ## a) +#define IWL_DEBUG_NOTIF(f, a...) IWL_DEBUG(IWL_DL_NOTIF, f, ## a) +#define IWL_DEBUG_ASSOC(f, a...) IWL_DEBUG(IWL_DL_ASSOC | IWL_DL_INFO, f, ## a) +#define IWL_DEBUG_ASSOC_LIMIT(f, a...) \ + IWL_DEBUG_LIMIT(IWL_DL_ASSOC | IWL_DL_INFO, f, ## a) +#define IWL_DEBUG_HT(f, a...) IWL_DEBUG(IWL_DL_HT, f, ## a) +#define IWL_DEBUG_STATS(f, a...) IWL_DEBUG(IWL_DL_STATS, f, ## a) +#define IWL_DEBUG_TX_REPLY(f, a...) IWL_DEBUG(IWL_DL_TX_REPLY, f, ## a) +#define IWL_DEBUG_QOS(f, a...) IWL_DEBUG(IWL_DL_QOS, f, ## a) +#define IWL_DEBUG_RADIO(f, a...) IWL_DEBUG(IWL_DL_RADIO, f, ## a) +#define IWL_DEBUG_POWER(f, a...) IWL_DEBUG(IWL_DL_POWER, f, ## a) +#define IWL_DEBUG_11H(f, a...) IWL_DEBUG(IWL_DL_11H, f, ## a) + +#endif --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl3945-base.c.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl3945-base.c 2007-12-14 11:26:01.000000000 -0500 @@ -27,16 +27,6 @@ * *****************************************************************************/ -/* - * NOTE: This file (iwl-base.c) is used to build to multiple hardware targets - * by defining IWL to either 3945 or 4965. The Makefile used when building - * the base targets will create base-3945.o and base-4965.o - * - * The eventual goal is to move as many of the #if IWL / #endif blocks out of - * this file and into the hardware specific implementation files (iwl-XXXX.c) - * and leave only the common (non #ifdef sprinkled) code in this file - */ - #include #include #include @@ -48,8 +38,6 @@ #include #include #include -#include -#include #include #include @@ -58,14 +46,16 @@ #include -#include "iwlwifi.h" #include "iwl-3945.h" #include "iwl-helpers.h" -#ifdef CONFIG_IWLWIFI_DEBUG -u32 iwl_debug_level; +#ifdef CONFIG_IWL3945_DEBUG +u32 iwl3945_debug_level; #endif +static int iwl3945_tx_queue_update_write_ptr(struct iwl3945_priv *priv, + struct iwl3945_tx_queue *txq); + /****************************************************************************** * * module boiler plate @@ -73,13 +63,13 @@ u32 iwl_debug_level; ******************************************************************************/ /* module parameters */ -int iwl_param_disable_hw_scan; -int iwl_param_debug; -int iwl_param_disable; /* def: enable radio */ -int iwl_param_antenna; /* def: 0 = both antennas (use diversity) */ -int iwl_param_hwcrypto; /* def: using software encryption */ -int iwl_param_qos_enable = 1; -int iwl_param_queues_num = IWL_MAX_NUM_QUEUES; +static int iwl3945_param_disable_hw_scan; /* def: 0 = use 3945's h/w scan */ +static int iwl3945_param_debug; /* def: 0 = minimal debug log messages */ +static int iwl3945_param_disable; /* def: 0 = enable radio */ +static int iwl3945_param_antenna; /* def: 0 = both antennas (use diversity) */ +int iwl3945_param_hwcrypto; /* def: 0 = use software encryption */ +static int iwl3945_param_qos_enable = 1; /* def: 1 = use quality of service */ +int iwl3945_param_queues_num = IWL_MAX_NUM_QUEUES; /* def: 8 Tx queues */ /* * module name, copyright, version, etc. @@ -89,19 +79,19 @@ int iwl_param_queues_num = IWL_MAX_NUM_Q #define DRV_DESCRIPTION \ "Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux" -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG #define VD "d" #else #define VD #endif -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT #define VS "s" #else #define VS #endif -#define IWLWIFI_VERSION "0.1.15k" VD VS +#define IWLWIFI_VERSION "1.2.22k" VD VS #define DRV_COPYRIGHT "Copyright(c) 2003-2007 Intel Corporation" #define DRV_VERSION IWLWIFI_VERSION @@ -116,7 +106,7 @@ MODULE_VERSION(DRV_VERSION); MODULE_AUTHOR(DRV_COPYRIGHT); MODULE_LICENSE("GPL"); -__le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr) +static __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr) { u16 fc = le16_to_cpu(hdr->frame_control); int hdr_len = ieee80211_get_hdrlen(fc); @@ -126,8 +116,8 @@ __le16 *ieee80211_get_qos_ctrl(struct ie return NULL; } -static const struct ieee80211_hw_mode *iwl_get_hw_mode( - struct iwl_priv *priv, int mode) +static const struct ieee80211_hw_mode *iwl3945_get_hw_mode( + struct iwl3945_priv *priv, int mode) { int i; @@ -138,7 +128,7 @@ static const struct ieee80211_hw_mode *i return NULL; } -static int iwl_is_empty_essid(const char *essid, int essid_len) +static int iwl3945_is_empty_essid(const char *essid, int essid_len) { /* Single white space is for Linksys APs */ if (essid_len == 1 && essid[0] == ' ') @@ -154,13 +144,13 @@ static int iwl_is_empty_essid(const char return 1; } -static const char *iwl_escape_essid(const char *essid, u8 essid_len) +static const char *iwl3945_escape_essid(const char *essid, u8 essid_len) { static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; const char *s = essid; char *d = escaped; - if (iwl_is_empty_essid(essid, essid_len)) { + if (iwl3945_is_empty_essid(essid, essid_len)) { memcpy(escaped, "", sizeof("")); return escaped; } @@ -178,29 +168,47 @@ static const char *iwl_escape_essid(cons return escaped; } +static void iwl3945_print_hex_dump(int level, void *p, u32 len) +{ +#ifdef CONFIG_IWL3945_DEBUG + if (!(iwl3945_debug_level & level)) + return; + + print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, + p, len, 1); +#endif +} + /*************** DMA-QUEUE-GENERAL-FUNCTIONS ***** * DMA services * * Theory of operation * - * A queue is a circular buffers with 'Read' and 'Write' pointers. - * 2 empty entries always kept in the buffer to protect from overflow. + * A Tx or Rx queue resides in host DRAM, and is comprised of a circular buffer + * of buffer descriptors, each of which points to one or more data buffers for + * the device to read from or fill. Driver and device exchange status of each + * queue via "read" and "write" pointers. Driver keeps minimum of 2 empty + * entries in each circular buffer, to protect against confusing empty and full + * queue states. + * + * The device reads or writes the data in the queues via the device's several + * DMA/FIFO channels. Each queue is mapped to a single DMA channel. * * For Tx queue, there are low mark and high mark limits. If, after queuing * the packet for Tx, free space become < low mark, Tx queue stopped. When * reclaiming packets (on 'tx done IRQ), if free space become > high mark, * Tx queue resumed. * - * The IPW operates with six queues, one receive queue in the device's - * sram, one transmit queue for sending commands to the device firmware, - * and four transmit queues for data. + * The 3945 operates with six queues: One receive queue, one transmit queue + * (#4) for sending commands to the device firmware, and four transmit queues + * (#0-3) for data tx via EDCA. An additional 2 HCCA queues are unused. ***************************************************/ -static int iwl_queue_space(const struct iwl_queue *q) +static int iwl3945_queue_space(const struct iwl3945_queue *q) { - int s = q->last_used - q->first_empty; + int s = q->read_ptr - q->write_ptr; - if (q->last_used > q->first_empty) + if (q->read_ptr > q->write_ptr) s -= q->n_bd; if (s <= 0) @@ -212,42 +220,55 @@ static int iwl_queue_space(const struct return s; } -/* XXX: n_bd must be power-of-two size */ -static inline int iwl_queue_inc_wrap(int index, int n_bd) +/** + * iwl3945_queue_inc_wrap - increment queue index, wrap back to beginning + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl3945_queue_inc_wrap(int index, int n_bd) { return ++index & (n_bd - 1); } -/* XXX: n_bd must be power-of-two size */ -static inline int iwl_queue_dec_wrap(int index, int n_bd) +/** + * iwl3945_queue_dec_wrap - increment queue index, wrap back to end + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl3945_queue_dec_wrap(int index, int n_bd) { return --index & (n_bd - 1); } -static inline int x2_queue_used(const struct iwl_queue *q, int i) +static inline int x2_queue_used(const struct iwl3945_queue *q, int i) { - return q->first_empty > q->last_used ? - (i >= q->last_used && i < q->first_empty) : - !(i < q->last_used && i >= q->first_empty); + return q->write_ptr > q->read_ptr ? + (i >= q->read_ptr && i < q->write_ptr) : + !(i < q->read_ptr && i >= q->write_ptr); } -static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) +static inline u8 get_cmd_index(struct iwl3945_queue *q, u32 index, int is_huge) { + /* This is for scan command, the big buffer at end of command array */ if (is_huge) - return q->n_window; + return q->n_window; /* must be power of 2 */ + /* Otherwise, use normal size buffers */ return index & (q->n_window - 1); } -static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, +/** + * iwl3945_queue_init - Initialize queue's high/low-water and read/write indexes + */ +static int iwl3945_queue_init(struct iwl3945_priv *priv, struct iwl3945_queue *q, int count, int slots_num, u32 id) { q->n_bd = count; q->n_window = slots_num; q->id = id; - /* count must be power-of-two size, otherwise iwl_queue_inc_wrap - * and iwl_queue_dec_wrap are broken. */ + /* count must be power-of-two size, otherwise iwl3945_queue_inc_wrap + * and iwl3945_queue_dec_wrap are broken. */ BUG_ON(!is_power_of_2(count)); /* slots_num must be power-of-two size, otherwise @@ -262,27 +283,34 @@ static int iwl_queue_init(struct iwl_pri if (q->high_mark < 2) q->high_mark = 2; - q->first_empty = q->last_used = 0; + q->write_ptr = q->read_ptr = 0; return 0; } -static int iwl_tx_queue_alloc(struct iwl_priv *priv, - struct iwl_tx_queue *txq, u32 id) +/** + * iwl3945_tx_queue_alloc - Alloc driver data and TFD CB for one Tx/cmd queue + */ +static int iwl3945_tx_queue_alloc(struct iwl3945_priv *priv, + struct iwl3945_tx_queue *txq, u32 id) { struct pci_dev *dev = priv->pci_dev; + /* Driver private data, only for Tx (not command) queues, + * not shared with device. */ if (id != IWL_CMD_QUEUE_NUM) { txq->txb = kmalloc(sizeof(txq->txb[0]) * TFD_QUEUE_SIZE_MAX, GFP_KERNEL); if (!txq->txb) { - IWL_ERROR("kmalloc for auxilary BD " + IWL_ERROR("kmalloc for auxiliary BD " "structures failed\n"); goto error; } } else txq->txb = NULL; + /* Circular buffer of transmit frame descriptors (TFDs), + * shared with device */ txq->bd = pci_alloc_consistent(dev, sizeof(txq->bd[0]) * TFD_QUEUE_SIZE_MAX, &txq->q.dma_addr); @@ -305,24 +333,33 @@ static int iwl_tx_queue_alloc(struct iwl return -ENOMEM; } -int iwl_tx_queue_init(struct iwl_priv *priv, - struct iwl_tx_queue *txq, int slots_num, u32 txq_id) +/** + * iwl3945_tx_queue_init - Allocate and initialize one tx/cmd queue + */ +int iwl3945_tx_queue_init(struct iwl3945_priv *priv, + struct iwl3945_tx_queue *txq, int slots_num, u32 txq_id) { struct pci_dev *dev = priv->pci_dev; int len; int rc = 0; - /* alocate command space + one big command for scan since scan - * command is very huge the system will not have two scan at the - * same time */ - len = sizeof(struct iwl_cmd) * slots_num; + /* + * Alloc buffer array for commands (Tx or other types of commands). + * For the command queue (#4), allocate command space + one big + * command for scan, since scan command is very huge; the system will + * not have two scans at the same time, so only one is needed. + * For data Tx queues (all other queues), no super-size command + * space is needed. + */ + len = sizeof(struct iwl3945_cmd) * slots_num; if (txq_id == IWL_CMD_QUEUE_NUM) len += IWL_MAX_SCAN_SIZE; txq->cmd = pci_alloc_consistent(dev, len, &txq->dma_addr_cmd); if (!txq->cmd) return -ENOMEM; - rc = iwl_tx_queue_alloc(priv, txq, txq_id); + /* Alloc driver data array and TFD circular buffer */ + rc = iwl3945_tx_queue_alloc(priv, txq, txq_id); if (rc) { pci_free_consistent(dev, len, txq->cmd, txq->dma_addr_cmd); @@ -331,26 +368,29 @@ int iwl_tx_queue_init(struct iwl_priv *p txq->need_update = 0; /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise - * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */ + * iwl3945_queue_inc_wrap and iwl3945_queue_dec_wrap are broken. */ BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); - iwl_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); - iwl_hw_tx_queue_init(priv, txq); + /* Initialize queue high/low-water, head/tail indexes */ + iwl3945_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); + + /* Tell device where to find queue, enable DMA channel. */ + iwl3945_hw_tx_queue_init(priv, txq); return 0; } /** - * iwl_tx_queue_free - Deallocate DMA queue. + * iwl3945_tx_queue_free - Deallocate DMA queue. * @txq: Transmit queue to deallocate. * * Empty queue by removing and destroying all BD's. - * Free all buffers. txq itself is not freed. - * + * Free all buffers. + * 0-fill, but do not free "txq" descriptor structure. */ -void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq) +void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq) { - struct iwl_queue *q = &txq->q; + struct iwl3945_queue *q = &txq->q; struct pci_dev *dev = priv->pci_dev; int len; @@ -358,43 +398,47 @@ void iwl_tx_queue_free(struct iwl_priv * return; /* first, empty all BD's */ - for (; q->first_empty != q->last_used; - q->last_used = iwl_queue_inc_wrap(q->last_used, q->n_bd)) - iwl_hw_txq_free_tfd(priv, txq); + for (; q->write_ptr != q->read_ptr; + q->read_ptr = iwl3945_queue_inc_wrap(q->read_ptr, q->n_bd)) + iwl3945_hw_txq_free_tfd(priv, txq); - len = sizeof(struct iwl_cmd) * q->n_window; + len = sizeof(struct iwl3945_cmd) * q->n_window; if (q->id == IWL_CMD_QUEUE_NUM) len += IWL_MAX_SCAN_SIZE; + /* De-alloc array of command/tx buffers */ pci_free_consistent(dev, len, txq->cmd, txq->dma_addr_cmd); - /* free buffers belonging to queue itself */ + /* De-alloc circular buffer of TFDs */ if (txq->q.n_bd) - pci_free_consistent(dev, sizeof(struct iwl_tfd_frame) * + pci_free_consistent(dev, sizeof(struct iwl3945_tfd_frame) * txq->q.n_bd, txq->bd, txq->q.dma_addr); + /* De-alloc array of per-TFD driver data */ if (txq->txb) { kfree(txq->txb); txq->txb = NULL; } - /* 0 fill whole structure */ + /* 0-fill queue descriptor structure */ memset(txq, 0, sizeof(*txq)); } -const u8 BROADCAST_ADDR[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; +const u8 iwl3945_broadcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; /*************** STATION TABLE MANAGEMENT **** - * - * NOTE: This needs to be overhauled to better synchronize between - * how the iwl-4965.c is using iwl_hw_find_station vs. iwl-3945.c - * - * mac80211 should also be examined to determine if sta_info is duplicating + * mac80211 should be examined to determine if sta_info is duplicating * the functionality provided here */ /**************************************************************/ -static u8 iwl_remove_station(struct iwl_priv *priv, const u8 *addr, int is_ap) +#if 0 /* temporary disable till we add real remove station */ +/** + * iwl3945_remove_station - Remove driver's knowledge of station. + * + * NOTE: This does not remove station from device's station table. + */ +static u8 iwl3945_remove_station(struct iwl3945_priv *priv, const u8 *addr, int is_ap) { int index = IWL_INVALID_STATION; int i; @@ -429,8 +473,14 @@ out: spin_unlock_irqrestore(&priv->sta_lock, flags); return 0; } +#endif -static void iwl_clear_stations_table(struct iwl_priv *priv) +/** + * iwl3945_clear_stations_table - Clear the driver's station table + * + * NOTE: This does not clear or otherwise alter the device's station table. + */ +static void iwl3945_clear_stations_table(struct iwl3945_priv *priv) { unsigned long flags; @@ -442,13 +492,17 @@ static void iwl_clear_stations_table(str spin_unlock_irqrestore(&priv->sta_lock, flags); } - -u8 iwl_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap, u8 flags) +/** + * iwl3945_add_station - Add station to station tables in driver and device + */ +u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *addr, int is_ap, u8 flags) { int i; int index = IWL_INVALID_STATION; - struct iwl_station_entry *station; + struct iwl3945_station_entry *station; unsigned long flags_spin; + DECLARE_MAC_BUF(mac); + u8 rate; spin_lock_irqsave(&priv->sta_lock, flags_spin); if (is_ap) @@ -468,7 +522,7 @@ u8 iwl_add_station(struct iwl_priv *priv index = i; } - /* These twh conditions has the same outcome but keep them separate + /* These two conditions has the same outcome but keep them separate since they have different meaning */ if (unlikely(index == IWL_INVALID_STATION)) { spin_unlock_irqrestore(&priv->sta_lock, flags_spin); @@ -481,26 +535,40 @@ u8 iwl_add_station(struct iwl_priv *priv return index; } - IWL_DEBUG_ASSOC("Add STA ID %d: " MAC_FMT "\n", index, MAC_ARG(addr)); + IWL_DEBUG_ASSOC("Add STA ID %d: %s\n", index, print_mac(mac, addr)); station = &priv->stations[index]; station->used = 1; priv->num_stations++; - memset(&station->sta, 0, sizeof(struct iwl_addsta_cmd)); + /* Set up the REPLY_ADD_STA command to send to device */ + memset(&station->sta, 0, sizeof(struct iwl3945_addsta_cmd)); memcpy(station->sta.sta.addr, addr, ETH_ALEN); station->sta.mode = 0; station->sta.sta.sta_id = index; station->sta.station_flags = 0; + if (priv->phymode == MODE_IEEE80211A) + rate = IWL_RATE_6M_PLCP; + else + rate = IWL_RATE_1M_PLCP; + + /* Turn on both antennas for the station... */ + station->sta.rate_n_flags = + iwl3945_hw_set_rate_n_flags(rate, RATE_MCS_ANT_AB_MSK); + station->current_rate.rate_n_flags = + le16_to_cpu(station->sta.rate_n_flags); + spin_unlock_irqrestore(&priv->sta_lock, flags_spin); - iwl_send_add_station(priv, &station->sta, flags); + + /* Add station to device's station table */ + iwl3945_send_add_station(priv, &station->sta, flags); return index; } /*************** DRIVER STATUS FUNCTIONS *****/ -static inline int iwl_is_ready(struct iwl_priv *priv) +static inline int iwl3945_is_ready(struct iwl3945_priv *priv) { /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are * set but EXIT_PENDING is not */ @@ -509,29 +577,29 @@ static inline int iwl_is_ready(struct iw !test_bit(STATUS_EXIT_PENDING, &priv->status); } -static inline int iwl_is_alive(struct iwl_priv *priv) +static inline int iwl3945_is_alive(struct iwl3945_priv *priv) { return test_bit(STATUS_ALIVE, &priv->status); } -static inline int iwl_is_init(struct iwl_priv *priv) +static inline int iwl3945_is_init(struct iwl3945_priv *priv) { return test_bit(STATUS_INIT, &priv->status); } -static inline int iwl_is_rfkill(struct iwl_priv *priv) +static inline int iwl3945_is_rfkill(struct iwl3945_priv *priv) { return test_bit(STATUS_RF_KILL_HW, &priv->status) || test_bit(STATUS_RF_KILL_SW, &priv->status); } -static inline int iwl_is_ready_rf(struct iwl_priv *priv) +static inline int iwl3945_is_ready_rf(struct iwl3945_priv *priv) { - if (iwl_is_rfkill(priv)) + if (iwl3945_is_rfkill(priv)) return 0; - return iwl_is_ready(priv); + return iwl3945_is_ready(priv); } /*************** HOST COMMAND QUEUE FUNCTIONS *****/ @@ -590,7 +658,7 @@ static const char *get_cmd_string(u8 cmd #define HOST_COMPLETE_TIMEOUT (HZ / 2) /** - * iwl_enqueue_hcmd - enqueue a uCode command + * iwl3945_enqueue_hcmd - enqueue a uCode command * @priv: device private data point * @cmd: a point to the ucode command structure * @@ -598,13 +666,13 @@ static const char *get_cmd_string(u8 cmd * failed. On success, it turns the index (> 0) of command in the * command queue. */ -static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl3945_enqueue_hcmd(struct iwl3945_priv *priv, struct iwl3945_host_cmd *cmd) { - struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM]; - struct iwl_queue *q = &txq->q; - struct iwl_tfd_frame *tfd; + struct iwl3945_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM]; + struct iwl3945_queue *q = &txq->q; + struct iwl3945_tfd_frame *tfd; u32 *control_flags; - struct iwl_cmd *out_cmd; + struct iwl3945_cmd *out_cmd; u32 idx; u16 fix_size = (u16)(cmd->len + sizeof(out_cmd->hdr)); dma_addr_t phys_addr; @@ -619,19 +687,19 @@ static int iwl_enqueue_hcmd(struct iwl_p BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && !(cmd->meta.flags & CMD_SIZE_HUGE)); - if (iwl_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { + if (iwl3945_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { IWL_ERROR("No space for Tx\n"); return -ENOSPC; } spin_lock_irqsave(&priv->hcmd_lock, flags); - tfd = &txq->bd[q->first_empty]; + tfd = &txq->bd[q->write_ptr]; memset(tfd, 0, sizeof(*tfd)); control_flags = (u32 *) tfd; - idx = get_cmd_index(q, q->first_empty, cmd->meta.flags & CMD_SIZE_HUGE); + idx = get_cmd_index(q, q->write_ptr, cmd->meta.flags & CMD_SIZE_HUGE); out_cmd = &txq->cmd[idx]; out_cmd->hdr.cmd = cmd->id; @@ -643,13 +711,13 @@ static int iwl_enqueue_hcmd(struct iwl_p out_cmd->hdr.flags = 0; out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(IWL_CMD_QUEUE_NUM) | - INDEX_TO_SEQ(q->first_empty)); + INDEX_TO_SEQ(q->write_ptr)); if (out_cmd->meta.flags & CMD_SIZE_HUGE) out_cmd->hdr.sequence |= cpu_to_le16(SEQ_HUGE_FRAME); phys_addr = txq->dma_addr_cmd + sizeof(txq->cmd[0]) * idx + - offsetof(struct iwl_cmd, hdr); - iwl_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, fix_size); + offsetof(struct iwl3945_cmd, hdr); + iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, fix_size); pad = U32_PAD(cmd->len); count = TFD_CTL_COUNT_GET(*control_flags); @@ -659,17 +727,19 @@ static int iwl_enqueue_hcmd(struct iwl_p "%d bytes at %d[%d]:%d\n", get_cmd_string(out_cmd->hdr.cmd), out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence), - fix_size, q->first_empty, idx, IWL_CMD_QUEUE_NUM); + fix_size, q->write_ptr, idx, IWL_CMD_QUEUE_NUM); txq->need_update = 1; - q->first_empty = iwl_queue_inc_wrap(q->first_empty, q->n_bd); - ret = iwl_tx_queue_update_write_ptr(priv, txq); + + /* Increment and update queue's write index */ + q->write_ptr = iwl3945_queue_inc_wrap(q->write_ptr, q->n_bd); + ret = iwl3945_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->hcmd_lock, flags); return ret ? ret : idx; } -int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl3945_send_cmd_async(struct iwl3945_priv *priv, struct iwl3945_host_cmd *cmd) { int ret; @@ -684,16 +754,16 @@ int iwl_send_cmd_async(struct iwl_priv * if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return -EBUSY; - ret = iwl_enqueue_hcmd(priv, cmd); + ret = iwl3945_enqueue_hcmd(priv, cmd); if (ret < 0) { - IWL_ERROR("Error sending %s: iwl_enqueue_hcmd failed: %d\n", + IWL_ERROR("Error sending %s: iwl3945_enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; } return 0; } -int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl3945_send_cmd_sync(struct iwl3945_priv *priv, struct iwl3945_host_cmd *cmd) { int cmd_idx; int ret; @@ -715,10 +785,10 @@ int iwl_send_cmd_sync(struct iwl_priv *p if (cmd->meta.flags & CMD_WANT_SKB) cmd->meta.source = &cmd->meta; - cmd_idx = iwl_enqueue_hcmd(priv, cmd); + cmd_idx = iwl3945_enqueue_hcmd(priv, cmd); if (cmd_idx < 0) { ret = cmd_idx; - IWL_ERROR("Error sending %s: iwl_enqueue_hcmd failed: %d\n", + IWL_ERROR("Error sending %s: iwl3945_enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); goto out; } @@ -762,7 +832,7 @@ int iwl_send_cmd_sync(struct iwl_priv *p cancel: if (cmd->meta.flags & CMD_WANT_SKB) { - struct iwl_cmd *qcmd; + struct iwl3945_cmd *qcmd; /* Cancel the CMD_WANT_SKB flag for the cmd in the * TX cmd queue. Otherwise in case the cmd comes @@ -781,66 +851,43 @@ out: return ret; } -int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +int iwl3945_send_cmd(struct iwl3945_priv *priv, struct iwl3945_host_cmd *cmd) { - /* A command can not be asynchronous AND expect an SKB to be set. */ - BUG_ON((cmd->meta.flags & CMD_ASYNC) && - (cmd->meta.flags & CMD_WANT_SKB)); - if (cmd->meta.flags & CMD_ASYNC) - return iwl_send_cmd_async(priv, cmd); + return iwl3945_send_cmd_async(priv, cmd); - return iwl_send_cmd_sync(priv, cmd); + return iwl3945_send_cmd_sync(priv, cmd); } -int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data) +int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len, const void *data) { - struct iwl_host_cmd cmd = { + struct iwl3945_host_cmd cmd = { .id = id, .len = len, .data = data, }; - return iwl_send_cmd_sync(priv, &cmd); + return iwl3945_send_cmd_sync(priv, &cmd); } -static int __must_check iwl_send_cmd_u32(struct iwl_priv *priv, u8 id, u32 val) +static int __must_check iwl3945_send_cmd_u32(struct iwl3945_priv *priv, u8 id, u32 val) { - struct iwl_host_cmd cmd = { + struct iwl3945_host_cmd cmd = { .id = id, .len = sizeof(val), .data = &val, }; - return iwl_send_cmd_sync(priv, &cmd); + return iwl3945_send_cmd_sync(priv, &cmd); } -int iwl_send_statistics_request(struct iwl_priv *priv) +int iwl3945_send_statistics_request(struct iwl3945_priv *priv) { - return iwl_send_cmd_u32(priv, REPLY_STATISTICS_CMD, 0); + return iwl3945_send_cmd_u32(priv, REPLY_STATISTICS_CMD, 0); } /** - * iwl_rxon_add_station - add station into station table. - * - * there is only one AP station with id= IWL_AP_ID - * NOTE: mutex must be held before calling the this fnction -*/ -static int iwl_rxon_add_station(struct iwl_priv *priv, - const u8 *addr, int is_ap) -{ - u8 rc; - - /* Remove this station if it happens to already exist */ - iwl_remove_station(priv, addr, is_ap); - - rc = iwl_add_station(priv, addr, is_ap, 0); - - return rc; -} - -/** - * iwl_set_rxon_channel - Set the phymode and channel values in staging RXON + * iwl3945_set_rxon_channel - Set the phymode and channel values in staging RXON * @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz * @channel: Any channel valid for the requested phymode @@ -849,9 +896,9 @@ static int iwl_rxon_add_station(struct i * NOTE: Does not commit to the hardware; it sets appropriate bit fields * in the staging RXON flag structure based on the phymode */ -static int iwl_set_rxon_channel(struct iwl_priv *priv, u8 phymode, u16 channel) +static int iwl3945_set_rxon_channel(struct iwl3945_priv *priv, u8 phymode, u16 channel) { - if (!iwl_get_channel_info(priv, phymode, channel)) { + if (!iwl3945_get_channel_info(priv, phymode, channel)) { IWL_DEBUG_INFO("Could not set channel to %d [%d]\n", channel, phymode); return -EINVAL; @@ -875,13 +922,13 @@ static int iwl_set_rxon_channel(struct i } /** - * iwl_check_rxon_cmd - validate RXON structure is valid + * iwl3945_check_rxon_cmd - validate RXON structure is valid * * NOTE: This is really only useful during development and can eventually * be #ifdef'd out once the driver is stable and folks aren't actively * making changes */ -static int iwl_check_rxon_cmd(struct iwl_rxon_cmd *rxon) +static int iwl3945_check_rxon_cmd(struct iwl3945_rxon_cmd *rxon) { int error = 0; int counter = 1; @@ -947,21 +994,21 @@ static int iwl_check_rxon_cmd(struct iwl le16_to_cpu(rxon->channel)); if (error) { - IWL_ERROR("Not a valid iwl_rxon_assoc_cmd field values\n"); + IWL_ERROR("Not a valid iwl3945_rxon_assoc_cmd field values\n"); return -1; } return 0; } /** - * iwl_full_rxon_required - determine if RXON_ASSOC can be used in RXON commit - * @priv: staging_rxon is comapred to active_rxon + * iwl3945_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed + * @priv: staging_rxon is compared to active_rxon * - * If the RXON structure is changing sufficient to require a new - * tune or to clear and reset the RXON_FILTER_ASSOC_MSK then return 1 - * to indicate a new tune is required. + * If the RXON structure is changing enough to require a new tune, + * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that + * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required. */ -static int iwl_full_rxon_required(struct iwl_priv *priv) +static int iwl3945_full_rxon_required(struct iwl3945_priv *priv) { /* These items are only settable from the full RXON command */ @@ -996,19 +1043,19 @@ static int iwl_full_rxon_required(struct return 0; } -static int iwl_send_rxon_assoc(struct iwl_priv *priv) +static int iwl3945_send_rxon_assoc(struct iwl3945_priv *priv) { int rc = 0; - struct iwl_rx_packet *res = NULL; - struct iwl_rxon_assoc_cmd rxon_assoc; - struct iwl_host_cmd cmd = { + struct iwl3945_rx_packet *res = NULL; + struct iwl3945_rxon_assoc_cmd rxon_assoc; + struct iwl3945_host_cmd cmd = { .id = REPLY_RXON_ASSOC, .len = sizeof(rxon_assoc), .meta.flags = CMD_WANT_SKB, .data = &rxon_assoc, }; - const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon; - const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon; + const struct iwl3945_rxon_cmd *rxon1 = &priv->staging_rxon; + const struct iwl3945_rxon_cmd *rxon2 = &priv->active_rxon; if ((rxon1->flags == rxon2->flags) && (rxon1->filter_flags == rxon2->filter_flags) && @@ -1024,11 +1071,11 @@ static int iwl_send_rxon_assoc(struct iw rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates; rxon_assoc.reserved = 0; - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl3945_send_cmd_sync(priv, &cmd); if (rc) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl3945_rx_packet *)cmd.meta.u.skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_RXON_ASSOC command\n"); rc = -EIO; @@ -1041,20 +1088,21 @@ static int iwl_send_rxon_assoc(struct iw } /** - * iwl_commit_rxon - commit staging_rxon to hardware + * iwl3945_commit_rxon - commit staging_rxon to hardware * - * The RXON command in staging_rxon is commited to the hardware and + * The RXON command in staging_rxon is committed to the hardware and * the active_rxon structure is updated with the new data. This * function correctly transitions out of the RXON_ASSOC_MSK state if * a HW tune is required based on the RXON structure changes. */ -static int iwl_commit_rxon(struct iwl_priv *priv) +static int iwl3945_commit_rxon(struct iwl3945_priv *priv) { /* cast away the const for active_rxon in this function */ - struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon; + struct iwl3945_rxon_cmd *active_rxon = (void *)&priv->active_rxon; int rc = 0; + DECLARE_MAC_BUF(mac); - if (!iwl_is_alive(priv)) + if (!iwl3945_is_alive(priv)) return -1; /* always get timestamp with Rx frame */ @@ -1065,17 +1113,17 @@ static int iwl_commit_rxon(struct iwl_pr ~(RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_SEL_MSK); priv->staging_rxon.flags |= iwl3945_get_antenna_flags(priv); - rc = iwl_check_rxon_cmd(&priv->staging_rxon); + rc = iwl3945_check_rxon_cmd(&priv->staging_rxon); if (rc) { IWL_ERROR("Invalid RXON configuration. Not committing.\n"); return -EINVAL; } /* If we don't need to send a full RXON, we can use - * iwl_rxon_assoc_cmd which is used to reconfigure filter + * iwl3945_rxon_assoc_cmd which is used to reconfigure filter * and other flags for the current radio configuration. */ - if (!iwl_full_rxon_required(priv)) { - rc = iwl_send_rxon_assoc(priv); + if (!iwl3945_full_rxon_required(priv)) { + rc = iwl3945_send_rxon_assoc(priv); if (rc) { IWL_ERROR("Error setting RXON_ASSOC " "configuration (%d).\n", rc); @@ -1091,13 +1139,13 @@ static int iwl_commit_rxon(struct iwl_pr * an RXON_ASSOC and the new config wants the associated mask enabled, * we must clear the associated from the active configuration * before we apply the new config */ - if (iwl_is_associated(priv) && + if (iwl3945_is_associated(priv) && (priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK)) { IWL_DEBUG_INFO("Toggling associated bit on current RXON\n"); active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - rc = iwl_send_cmd_pdu(priv, REPLY_RXON, - sizeof(struct iwl_rxon_cmd), + rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON, + sizeof(struct iwl3945_rxon_cmd), &priv->active_rxon); /* If the mask clearing failed then we set @@ -1108,30 +1156,20 @@ static int iwl_commit_rxon(struct iwl_pr "configuration (%d).\n", rc); return rc; } - - /* The RXON bit toggling will have cleared out the - * station table in the uCode, so blank it in the driver - * as well */ - iwl_clear_stations_table(priv); - } else if (priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) { - /* When switching from non-associated to associated, the - * uCode clears out the station table; so clear it in the - * driver as well */ - iwl_clear_stations_table(priv); } IWL_DEBUG_INFO("Sending RXON\n" "* with%s RXON_FILTER_ASSOC_MSK\n" "* channel = %d\n" - "* bssid = " MAC_FMT "\n", + "* bssid = %s\n", ((priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? "" : "out"), le16_to_cpu(priv->staging_rxon.channel), - MAC_ARG(priv->staging_rxon.bssid_addr)); + print_mac(mac, priv->staging_rxon.bssid_addr)); /* Apply the new configuration */ - rc = iwl_send_cmd_pdu(priv, REPLY_RXON, - sizeof(struct iwl_rxon_cmd), &priv->staging_rxon); + rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON, + sizeof(struct iwl3945_rxon_cmd), &priv->staging_rxon); if (rc) { IWL_ERROR("Error setting new configuration (%d).\n", rc); return rc; @@ -1139,16 +1177,18 @@ static int iwl_commit_rxon(struct iwl_pr memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); + iwl3945_clear_stations_table(priv); + /* If we issue a new RXON command which required a tune then we must * send a new TXPOWER command or we won't be able to Tx any frames */ - rc = iwl_hw_reg_send_txpower(priv); + rc = iwl3945_hw_reg_send_txpower(priv); if (rc) { IWL_ERROR("Error setting Tx power (%d).\n", rc); return rc; } /* Add the broadcast address so we can send broadcast frames */ - if (iwl_rxon_add_station(priv, BROADCAST_ADDR, 0) == + if (iwl3945_add_station(priv, iwl3945_broadcast_addr, 0, 0) == IWL_INVALID_STATION) { IWL_ERROR("Error adding BROADCAST address for transmit.\n"); return -EIO; @@ -1156,9 +1196,9 @@ static int iwl_commit_rxon(struct iwl_pr /* If we have set the ASSOC_MSK and we are in BSS mode then * add the IWL_AP_ID to the station rate table */ - if (iwl_is_associated(priv) && + if (iwl3945_is_associated(priv) && (priv->iw_mode == IEEE80211_IF_TYPE_STA)) - if (iwl_rxon_add_station(priv, priv->active_rxon.bssid_addr, 1) + if (iwl3945_add_station(priv, priv->active_rxon.bssid_addr, 1, 0) == IWL_INVALID_STATION) { IWL_ERROR("Error adding AP address for transmit.\n"); return -EIO; @@ -1175,9 +1215,9 @@ static int iwl_commit_rxon(struct iwl_pr return 0; } -static int iwl_send_bt_config(struct iwl_priv *priv) +static int iwl3945_send_bt_config(struct iwl3945_priv *priv) { - struct iwl_bt_cmd bt_cmd = { + struct iwl3945_bt_cmd bt_cmd = { .flags = 3, .lead_time = 0xAA, .max_kill = 1, @@ -1185,15 +1225,15 @@ static int iwl_send_bt_config(struct iwl .kill_cts_mask = 0, }; - return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG, - sizeof(struct iwl_bt_cmd), &bt_cmd); + return iwl3945_send_cmd_pdu(priv, REPLY_BT_CONFIG, + sizeof(struct iwl3945_bt_cmd), &bt_cmd); } -static int iwl_send_scan_abort(struct iwl_priv *priv) +static int iwl3945_send_scan_abort(struct iwl3945_priv *priv) { int rc = 0; - struct iwl_rx_packet *res; - struct iwl_host_cmd cmd = { + struct iwl3945_rx_packet *res; + struct iwl3945_host_cmd cmd = { .id = REPLY_SCAN_ABORT_CMD, .meta.flags = CMD_WANT_SKB, }; @@ -1206,13 +1246,13 @@ static int iwl_send_scan_abort(struct iw return 0; } - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl3945_send_cmd_sync(priv, &cmd); if (rc) { clear_bit(STATUS_SCAN_ABORTING, &priv->status); return rc; } - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl3945_rx_packet *)cmd.meta.u.skb->data; if (res->u.status != CAN_ABORT_STATUS) { /* The scan abort will return 1 for success or * 2 for "failure". A failure condition can be @@ -1230,8 +1270,8 @@ static int iwl_send_scan_abort(struct iw return rc; } -static int iwl_card_state_sync_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, +static int iwl3945_card_state_sync_callback(struct iwl3945_priv *priv, + struct iwl3945_cmd *cmd, struct sk_buff *skb) { return 1; @@ -1240,16 +1280,16 @@ static int iwl_card_state_sync_callback( /* * CARD_STATE_CMD * - * Use: Sets the internal card state to enable, disable, or halt + * Use: Sets the device's internal card state to enable, disable, or halt * * When in the 'enable' state the card operates as normal. * When in the 'disable' state, the card enters into a low power mode. * When in the 'halt' state, the card is shut down and must be fully * restarted to come back on. */ -static int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) +static int iwl3945_send_card_state(struct iwl3945_priv *priv, u32 flags, u8 meta_flag) { - struct iwl_host_cmd cmd = { + struct iwl3945_host_cmd cmd = { .id = REPLY_CARD_STATE_CMD, .len = sizeof(u32), .data = &flags, @@ -1257,22 +1297,22 @@ static int iwl_send_card_state(struct iw }; if (meta_flag & CMD_ASYNC) - cmd.meta.u.callback = iwl_card_state_sync_callback; + cmd.meta.u.callback = iwl3945_card_state_sync_callback; - return iwl_send_cmd(priv, &cmd); + return iwl3945_send_cmd(priv, &cmd); } -static int iwl_add_sta_sync_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb) +static int iwl3945_add_sta_sync_callback(struct iwl3945_priv *priv, + struct iwl3945_cmd *cmd, struct sk_buff *skb) { - struct iwl_rx_packet *res = NULL; + struct iwl3945_rx_packet *res = NULL; if (!skb) { IWL_ERROR("Error: Response NULL in REPLY_ADD_STA.\n"); return 1; } - res = (struct iwl_rx_packet *)skb->data; + res = (struct iwl3945_rx_packet *)skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_ADD_STA (0x%08X)\n", res->hdr.flags); @@ -1290,29 +1330,29 @@ static int iwl_add_sta_sync_callback(str return 1; } -int iwl_send_add_station(struct iwl_priv *priv, - struct iwl_addsta_cmd *sta, u8 flags) +int iwl3945_send_add_station(struct iwl3945_priv *priv, + struct iwl3945_addsta_cmd *sta, u8 flags) { - struct iwl_rx_packet *res = NULL; + struct iwl3945_rx_packet *res = NULL; int rc = 0; - struct iwl_host_cmd cmd = { + struct iwl3945_host_cmd cmd = { .id = REPLY_ADD_STA, - .len = sizeof(struct iwl_addsta_cmd), + .len = sizeof(struct iwl3945_addsta_cmd), .meta.flags = flags, .data = sta, }; if (flags & CMD_ASYNC) - cmd.meta.u.callback = iwl_add_sta_sync_callback; + cmd.meta.u.callback = iwl3945_add_sta_sync_callback; else cmd.meta.flags |= CMD_WANT_SKB; - rc = iwl_send_cmd(priv, &cmd); + rc = iwl3945_send_cmd(priv, &cmd); if (rc || (flags & CMD_ASYNC)) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl3945_rx_packet *)cmd.meta.u.skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_ADD_STA (0x%08X)\n", res->hdr.flags); @@ -1337,7 +1377,7 @@ int iwl_send_add_station(struct iwl_priv return rc; } -static int iwl_update_sta_key_info(struct iwl_priv *priv, +static int iwl3945_update_sta_key_info(struct iwl3945_priv *priv, struct ieee80211_key_conf *keyconf, u8 sta_id) { @@ -1353,7 +1393,6 @@ static int iwl_update_sta_key_info(struc break; case ALG_TKIP: case ALG_WEP: - return -EINVAL; default: return -EINVAL; } @@ -1372,28 +1411,28 @@ static int iwl_update_sta_key_info(struc spin_unlock_irqrestore(&priv->sta_lock, flags); IWL_DEBUG_INFO("hwcrypto: modify ucode station key info\n"); - iwl_send_add_station(priv, &priv->stations[sta_id].sta, 0); + iwl3945_send_add_station(priv, &priv->stations[sta_id].sta, 0); return 0; } -static int iwl_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id) +static int iwl3945_clear_sta_key_info(struct iwl3945_priv *priv, u8 sta_id) { unsigned long flags; spin_lock_irqsave(&priv->sta_lock, flags); - memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl_hw_key)); - memset(&priv->stations[sta_id].sta.key, 0, sizeof(struct iwl_keyinfo)); + memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl3945_hw_key)); + memset(&priv->stations[sta_id].sta.key, 0, sizeof(struct iwl3945_keyinfo)); priv->stations[sta_id].sta.key.key_flags = STA_KEY_FLG_NO_ENC; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; spin_unlock_irqrestore(&priv->sta_lock, flags); IWL_DEBUG_INFO("hwcrypto: clear ucode station key info\n"); - iwl_send_add_station(priv, &priv->stations[sta_id].sta, 0); + iwl3945_send_add_station(priv, &priv->stations[sta_id].sta, 0); return 0; } -static void iwl_clear_free_frames(struct iwl_priv *priv) +static void iwl3945_clear_free_frames(struct iwl3945_priv *priv) { struct list_head *element; @@ -1403,7 +1442,7 @@ static void iwl_clear_free_frames(struct while (!list_empty(&priv->free_frames)) { element = priv->free_frames.next; list_del(element); - kfree(list_entry(element, struct iwl_frame, list)); + kfree(list_entry(element, struct iwl3945_frame, list)); priv->frames_count--; } @@ -1414,9 +1453,9 @@ static void iwl_clear_free_frames(struct } } -static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv) +static struct iwl3945_frame *iwl3945_get_free_frame(struct iwl3945_priv *priv) { - struct iwl_frame *frame; + struct iwl3945_frame *frame; struct list_head *element; if (list_empty(&priv->free_frames)) { frame = kzalloc(sizeof(*frame), GFP_KERNEL); @@ -1431,21 +1470,21 @@ static struct iwl_frame *iwl_get_free_fr element = priv->free_frames.next; list_del(element); - return list_entry(element, struct iwl_frame, list); + return list_entry(element, struct iwl3945_frame, list); } -static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame) +static void iwl3945_free_frame(struct iwl3945_priv *priv, struct iwl3945_frame *frame) { memset(frame, 0, sizeof(*frame)); list_add(&frame->list, &priv->free_frames); } -unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv, +unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv, struct ieee80211_hdr *hdr, const u8 *dest, int left) { - if (!iwl_is_associated(priv) || !priv->ibss_beacon || + if (!iwl3945_is_associated(priv) || !priv->ibss_beacon || ((priv->iw_mode != IEEE80211_IF_TYPE_IBSS) && (priv->iw_mode != IEEE80211_IF_TYPE_AP))) return 0; @@ -1458,37 +1497,37 @@ unsigned int iwl_fill_beacon_frame(struc return priv->ibss_beacon->len; } -static int iwl_rate_index_from_plcp(int plcp) +static int iwl3945_rate_index_from_plcp(int plcp) { int i = 0; for (i = 0; i < IWL_RATE_COUNT; i++) - if (iwl_rates[i].plcp == plcp) + if (iwl3945_rates[i].plcp == plcp) return i; return -1; } -static u8 iwl_rate_get_lowest_plcp(int rate_mask) +static u8 iwl3945_rate_get_lowest_plcp(int rate_mask) { u8 i; for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID; - i = iwl_rates[i].next_ieee) { + i = iwl3945_rates[i].next_ieee) { if (rate_mask & (1 << i)) - return iwl_rates[i].plcp; + return iwl3945_rates[i].plcp; } return IWL_RATE_INVALID; } -static int iwl_send_beacon_cmd(struct iwl_priv *priv) +static int iwl3945_send_beacon_cmd(struct iwl3945_priv *priv) { - struct iwl_frame *frame; + struct iwl3945_frame *frame; unsigned int frame_size; int rc; u8 rate; - frame = iwl_get_free_frame(priv); + frame = iwl3945_get_free_frame(priv); if (!frame) { IWL_ERROR("Could not obtain free frame buffer for beacon " @@ -1497,22 +1536,22 @@ static int iwl_send_beacon_cmd(struct iw } if (!(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)) { - rate = iwl_rate_get_lowest_plcp(priv->active_rate_basic & + rate = iwl3945_rate_get_lowest_plcp(priv->active_rate_basic & 0xFF0); if (rate == IWL_INVALID_RATE) rate = IWL_RATE_6M_PLCP; } else { - rate = iwl_rate_get_lowest_plcp(priv->active_rate_basic & 0xF); + rate = iwl3945_rate_get_lowest_plcp(priv->active_rate_basic & 0xF); if (rate == IWL_INVALID_RATE) rate = IWL_RATE_1M_PLCP; } - frame_size = iwl_hw_get_beacon_cmd(priv, frame, rate); + frame_size = iwl3945_hw_get_beacon_cmd(priv, frame, rate); - rc = iwl_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size, + rc = iwl3945_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size, &frame->u.cmd[0]); - iwl_free_frame(priv, frame); + iwl3945_free_frame(priv, frame); return rc; } @@ -1523,22 +1562,22 @@ static int iwl_send_beacon_cmd(struct iw * ******************************************************************************/ -static void get_eeprom_mac(struct iwl_priv *priv, u8 *mac) +static void get_eeprom_mac(struct iwl3945_priv *priv, u8 *mac) { memcpy(mac, priv->eeprom.mac_address, 6); } /** - * iwl_eeprom_init - read EEPROM contents + * iwl3945_eeprom_init - read EEPROM contents * - * Load the EEPROM from adapter into priv->eeprom + * Load the EEPROM contents from adapter into priv->eeprom * * NOTE: This routine uses the non-debug IO access functions. */ -int iwl_eeprom_init(struct iwl_priv *priv) +int iwl3945_eeprom_init(struct iwl3945_priv *priv) { u16 *e = (u16 *)&priv->eeprom; - u32 gp = iwl_read32(priv, CSR_EEPROM_GP); + u32 gp = iwl3945_read32(priv, CSR_EEPROM_GP); u32 r; int sz = sizeof(priv->eeprom); int rc; @@ -1556,20 +1595,21 @@ int iwl_eeprom_init(struct iwl_priv *pri return -ENOENT; } - rc = iwl_eeprom_aqcuire_semaphore(priv); + /* Make sure driver (instead of uCode) is allowed to read EEPROM */ + rc = iwl3945_eeprom_acquire_semaphore(priv); if (rc < 0) { - IWL_ERROR("Failed to aqcuire EEPROM semaphore.\n"); + IWL_ERROR("Failed to acquire EEPROM semaphore.\n"); return -ENOENT; } /* eeprom is an array of 16bit values */ for (addr = 0; addr < sz; addr += sizeof(u16)) { - _iwl_write32(priv, CSR_EEPROM_REG, addr << 1); - _iwl_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); + _iwl3945_write32(priv, CSR_EEPROM_REG, addr << 1); + _iwl3945_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); for (i = 0; i < IWL_EEPROM_ACCESS_TIMEOUT; i += IWL_EEPROM_ACCESS_DELAY) { - r = _iwl_read_restricted(priv, CSR_EEPROM_REG); + r = _iwl3945_read_direct32(priv, CSR_EEPROM_REG); if (r & CSR_EEPROM_REG_READ_VALID_MSK) break; udelay(IWL_EEPROM_ACCESS_DELAY); @@ -1590,22 +1630,17 @@ int iwl_eeprom_init(struct iwl_priv *pri * Misc. internal state and helper functions * ******************************************************************************/ -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG /** - * iwl_report_frame - dump frame to syslog during debug sessions + * iwl3945_report_frame - dump frame to syslog during debug sessions * - * hack this function to show different aspects of received frames, + * You may hack this function to show different aspects of received frames, * including selective frame dumps. * group100 parameter selects whether to show 1 out of 100 good frames. - * - * TODO: ieee80211_hdr stuff is common to 3945 and 4965, so frame type - * info output is okay, but some of this stuff (e.g. iwl_rx_frame_stats) - * is 3945-specific and gives bad output for 4965. Need to split the - * functionality, keep common stuff here. */ -void iwl_report_frame(struct iwl_priv *priv, - struct iwl_rx_packet *pkt, +void iwl3945_report_frame(struct iwl3945_priv *priv, + struct iwl3945_rx_packet *pkt, struct ieee80211_hdr *header, int group100) { u32 to_us; @@ -1627,9 +1662,9 @@ void iwl_report_frame(struct iwl_priv *p u8 agc; u16 sig_avg; u16 noise_diff; - struct iwl_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); - struct iwl_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); - struct iwl_rx_frame_end *rx_end = IWL_RX_END(pkt); + struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); + struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); + struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt); u8 *data = IWL_RX_DATA(pkt); /* MAC header */ @@ -1705,11 +1740,11 @@ void iwl_report_frame(struct iwl_priv *p else title = "Frame"; - rate = iwl_rate_index_from_plcp(rate_sym); + rate = iwl3945_rate_index_from_plcp(rate_sym); if (rate == -1) rate = 0; else - rate = iwl_rates[rate].ieee / 2; + rate = iwl3945_rates[rate].ieee / 2; /* print frame summary. * MAC addresses show just the last byte (for brevity), @@ -1731,40 +1766,41 @@ void iwl_report_frame(struct iwl_priv *p } } if (print_dump) - printk_buf(IWL_DL_RX, data, length); + iwl3945_print_hex_dump(IWL_DL_RX, data, length); } #endif -static void iwl_unset_hw_setting(struct iwl_priv *priv) +static void iwl3945_unset_hw_setting(struct iwl3945_priv *priv) { if (priv->hw_setting.shared_virt) pci_free_consistent(priv->pci_dev, - sizeof(struct iwl_shared), + sizeof(struct iwl3945_shared), priv->hw_setting.shared_virt, priv->hw_setting.shared_phys); } /** - * iwl_supported_rate_to_ie - fill in the supported rate in IE field + * iwl3945_supported_rate_to_ie - fill in the supported rate in IE field * * return : set the bit for each supported rate insert in ie */ -static u16 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate, - u16 basic_rate, int max_count) +static u16 iwl3945_supported_rate_to_ie(u8 *ie, u16 supported_rate, + u16 basic_rate, int *left) { u16 ret_rates = 0, bit; int i; - u8 *rates; - - rates = &(ie[1]); + u8 *cnt = ie; + u8 *rates = ie + 1; for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) { if (bit & supported_rate) { ret_rates |= bit; - rates[*ie] = iwl_rates[i].ieee | - ((bit & basic_rate) ? 0x80 : 0x00); - *ie = *ie + 1; - if (*ie >= max_count) + rates[*cnt] = iwl3945_rates[i].ieee | + ((bit & basic_rate) ? 0x80 : 0x00); + (*cnt)++; + (*left)--; + if ((*left <= 0) || + (*cnt >= IWL_SUPPORTED_RATES_IE_LEN)) break; } } @@ -1773,15 +1809,15 @@ static u16 iwl_supported_rate_to_ie(u8 * } /** - * iwl_fill_probe_req - fill in all required fields and IE for probe request + * iwl3945_fill_probe_req - fill in all required fields and IE for probe request */ -static u16 iwl_fill_probe_req(struct iwl_priv *priv, +static u16 iwl3945_fill_probe_req(struct iwl3945_priv *priv, struct ieee80211_mgmt *frame, int left, int is_direct) { int len = 0; u8 *pos = NULL; - u16 ret_rates; + u16 active_rates, ret_rates, cck_rates; /* Make sure there is enough space for the probe request, * two mandatory IEs and the data */ @@ -1791,9 +1827,9 @@ static u16 iwl_fill_probe_req(struct iwl len += 24; frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); - memcpy(frame->da, BROADCAST_ADDR, ETH_ALEN); + memcpy(frame->da, iwl3945_broadcast_addr, ETH_ALEN); memcpy(frame->sa, priv->mac_addr, ETH_ALEN); - memcpy(frame->bssid, BROADCAST_ADDR, ETH_ALEN); + memcpy(frame->bssid, iwl3945_broadcast_addr, ETH_ALEN); frame->seq_ctrl = 0; /* fill in our indirect SSID IE */ @@ -1826,19 +1862,27 @@ static u16 iwl_fill_probe_req(struct iwl left -= 2; if (left < 0) return 0; + /* ... fill it in... */ *pos++ = WLAN_EID_SUPP_RATES; *pos = 0; - ret_rates = priv->active_rate = priv->rates_mask; + + priv->active_rate = priv->rates_mask; + active_rates = priv->active_rate; priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; - iwl_supported_rate_to_ie(pos, priv->active_rate, - priv->active_rate_basic, left); + cck_rates = IWL_CCK_RATES_MASK & active_rates; + ret_rates = iwl3945_supported_rate_to_ie(pos, cck_rates, + priv->active_rate_basic, &left); + active_rates &= ~ret_rates; + + ret_rates = iwl3945_supported_rate_to_ie(pos, active_rates, + priv->active_rate_basic, &left); + active_rates &= ~ret_rates; + len += 2 + *pos; pos += (*pos) + 1; - ret_rates = ~ret_rates & priv->active_rate; - - if (ret_rates == 0) + if (active_rates == 0) goto fill_end; /* fill in supported extended rate */ @@ -1849,7 +1893,8 @@ static u16 iwl_fill_probe_req(struct iwl /* ... fill it in... */ *pos++ = WLAN_EID_EXT_SUPP_RATES; *pos = 0; - iwl_supported_rate_to_ie(pos, ret_rates, priv->active_rate_basic, left); + iwl3945_supported_rate_to_ie(pos, active_rates, + priv->active_rate_basic, &left); if (*pos > 0) len += 2 + *pos; @@ -1860,16 +1905,16 @@ static u16 iwl_fill_probe_req(struct iwl /* * QoS support */ -#ifdef CONFIG_IWLWIFI_QOS -static int iwl_send_qos_params_command(struct iwl_priv *priv, - struct iwl_qosparam_cmd *qos) +#ifdef CONFIG_IWL3945_QOS +static int iwl3945_send_qos_params_command(struct iwl3945_priv *priv, + struct iwl3945_qosparam_cmd *qos) { - return iwl_send_cmd_pdu(priv, REPLY_QOS_PARAM, - sizeof(struct iwl_qosparam_cmd), qos); + return iwl3945_send_cmd_pdu(priv, REPLY_QOS_PARAM, + sizeof(struct iwl3945_qosparam_cmd), qos); } -static void iwl_reset_qos(struct iwl_priv *priv) +static void iwl3945_reset_qos(struct iwl3945_priv *priv) { u16 cw_min = 15; u16 cw_max = 1023; @@ -1956,13 +2001,10 @@ static void iwl_reset_qos(struct iwl_pri spin_unlock_irqrestore(&priv->lock, flags); } -static void iwl_activate_qos(struct iwl_priv *priv, u8 force) +static void iwl3945_activate_qos(struct iwl3945_priv *priv, u8 force) { unsigned long flags; - if (priv == NULL) - return; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; @@ -1983,16 +2025,16 @@ static void iwl_activate_qos(struct iwl_ spin_unlock_irqrestore(&priv->lock, flags); - if (force || iwl_is_associated(priv)) { + if (force || iwl3945_is_associated(priv)) { IWL_DEBUG_QOS("send QoS cmd with Qos active %d \n", priv->qos_data.qos_active); - iwl_send_qos_params_command(priv, + iwl3945_send_qos_params_command(priv, &(priv->qos_data.def_qos_parm)); } } -#endif /* CONFIG_IWLWIFI_QOS */ +#endif /* CONFIG_IWL3945_QOS */ /* * Power management (not Tx power!) functions */ @@ -2010,7 +2052,7 @@ static void iwl_activate_qos(struct iwl_ /* default power management (not Tx power) table values */ /* for tim 0-10 */ -static struct iwl_power_vec_entry range_0[IWL_POWER_AC] = { +static struct iwl3945_power_vec_entry range_0[IWL_POWER_AC] = { {{NOSLP, SLP_TIMEOUT(0), SLP_TIMEOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0}, {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(300), SLP_VEC(2, 4, 6, 7, 7)}, 0}, @@ -2020,7 +2062,7 @@ static struct iwl_power_vec_entry range_ }; /* for tim > 10 */ -static struct iwl_power_vec_entry range_1[IWL_POWER_AC] = { +static struct iwl3945_power_vec_entry range_1[IWL_POWER_AC] = { {{NOSLP, SLP_TIMEOUT(0), SLP_TIMEOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(500), SLP_VEC(1, 2, 3, 4, 0xFF)}, 0}, @@ -2033,11 +2075,11 @@ static struct iwl_power_vec_entry range_ SLP_VEC(4, 7, 10, 10, 0xFF)}, 0} }; -int iwl_power_init_handle(struct iwl_priv *priv) +int iwl3945_power_init_handle(struct iwl3945_priv *priv) { int rc = 0, i; - struct iwl_power_mgr *pow_data; - int size = sizeof(struct iwl_power_vec_entry) * IWL_POWER_AC; + struct iwl3945_power_mgr *pow_data; + int size = sizeof(struct iwl3945_power_vec_entry) * IWL_POWER_AC; u16 pci_pm; IWL_DEBUG_POWER("Initialize power \n"); @@ -2056,7 +2098,7 @@ int iwl_power_init_handle(struct iwl_pri if (rc != 0) return 0; else { - struct iwl_powertable_cmd *cmd; + struct iwl3945_powertable_cmd *cmd; IWL_DEBUG_POWER("adjust power command flags\n"); @@ -2072,15 +2114,15 @@ int iwl_power_init_handle(struct iwl_pri return rc; } -static int iwl_update_power_cmd(struct iwl_priv *priv, - struct iwl_powertable_cmd *cmd, u32 mode) +static int iwl3945_update_power_cmd(struct iwl3945_priv *priv, + struct iwl3945_powertable_cmd *cmd, u32 mode) { int rc = 0, i; u8 skip; u32 max_sleep = 0; - struct iwl_power_vec_entry *range; + struct iwl3945_power_vec_entry *range; u8 period = 0; - struct iwl_power_mgr *pow_data; + struct iwl3945_power_mgr *pow_data; if (mode > IWL_POWER_INDEX_5) { IWL_DEBUG_POWER("Error invalid power mode \n"); @@ -2093,7 +2135,7 @@ static int iwl_update_power_cmd(struct i else range = &pow_data->pwr_range_1[1]; - memcpy(cmd, &range[mode].cmd, sizeof(struct iwl_powertable_cmd)); + memcpy(cmd, &range[mode].cmd, sizeof(struct iwl3945_powertable_cmd)); #ifdef IWL_MAC80211_DISABLE if (priv->assoc_network != NULL) { @@ -2136,14 +2178,14 @@ static int iwl_update_power_cmd(struct i return rc; } -static int iwl_send_power_mode(struct iwl_priv *priv, u32 mode) +static int iwl3945_send_power_mode(struct iwl3945_priv *priv, u32 mode) { - u32 final_mode = mode; + u32 uninitialized_var(final_mode); int rc; - struct iwl_powertable_cmd cmd; + struct iwl3945_powertable_cmd cmd; /* If on battery, set to 3, - * if plugged into AC power, set to CAM ("continuosly aware mode"), + * if plugged into AC power, set to CAM ("continuously aware mode"), * else user level */ switch (mode) { case IWL_POWER_BATTERY: @@ -2157,9 +2199,9 @@ static int iwl_send_power_mode(struct iw break; } - iwl_update_power_cmd(priv, &cmd, final_mode); + iwl3945_update_power_cmd(priv, &cmd, final_mode); - rc = iwl_send_cmd_pdu(priv, POWER_TABLE_CMD, sizeof(cmd), &cmd); + rc = iwl3945_send_cmd_pdu(priv, POWER_TABLE_CMD, sizeof(cmd), &cmd); if (final_mode == IWL_POWER_MODE_CAM) clear_bit(STATUS_POWER_PMI, &priv->status); @@ -2169,7 +2211,7 @@ static int iwl_send_power_mode(struct iw return rc; } -int iwl_is_network_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) +int iwl3945_is_network_packet(struct iwl3945_priv *priv, struct ieee80211_hdr *header) { /* Filter incoming packets to determine if they are targeted toward * this network, discarding packets coming from ourselves */ @@ -2199,7 +2241,7 @@ int iwl_is_network_packet(struct iwl_pri #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x -const char *iwl_get_tx_fail_reason(u32 status) +static const char *iwl3945_get_tx_fail_reason(u32 status) { switch (status & TX_STATUS_MSK) { case TX_STATUS_SUCCESS: @@ -2226,11 +2268,11 @@ const char *iwl_get_tx_fail_reason(u32 s } /** - * iwl_scan_cancel - Cancel any currently executing HW scan + * iwl3945_scan_cancel - Cancel any currently executing HW scan * * NOTE: priv->mutex is not required before calling this function */ -static int iwl_scan_cancel(struct iwl_priv *priv) +static int iwl3945_scan_cancel(struct iwl3945_priv *priv) { if (!test_bit(STATUS_SCAN_HW, &priv->status)) { clear_bit(STATUS_SCANNING, &priv->status); @@ -2253,17 +2295,17 @@ static int iwl_scan_cancel(struct iwl_pr } /** - * iwl_scan_cancel_timeout - Cancel any currently executing HW scan + * iwl3945_scan_cancel_timeout - Cancel any currently executing HW scan * @ms: amount of time to wait (in milliseconds) for scan to abort * * NOTE: priv->mutex must be held before calling this function */ -static int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) +static int iwl3945_scan_cancel_timeout(struct iwl3945_priv *priv, unsigned long ms) { unsigned long now = jiffies; int ret; - ret = iwl_scan_cancel(priv); + ret = iwl3945_scan_cancel(priv); if (ret && ms) { mutex_unlock(&priv->mutex); while (!time_after(jiffies, now + msecs_to_jiffies(ms)) && @@ -2277,7 +2319,7 @@ static int iwl_scan_cancel_timeout(struc return ret; } -static void iwl_sequence_reset(struct iwl_priv *priv) +static void iwl3945_sequence_reset(struct iwl3945_priv *priv) { /* Reset ieee stats */ @@ -2288,13 +2330,13 @@ static void iwl_sequence_reset(struct iw priv->last_frag_num = -1; priv->last_packet_time = 0; - iwl_scan_cancel(priv); + iwl3945_scan_cancel(priv); } #define MAX_UCODE_BEACON_INTERVAL 1024 #define INTEL_CONN_LISTEN_INTERVAL __constant_cpu_to_le16(0xA) -static __le16 iwl_adjust_beacon_interval(u16 beacon_val) +static __le16 iwl3945_adjust_beacon_interval(u16 beacon_val) { u16 new_val = 0; u16 beacon_factor = 0; @@ -2307,7 +2349,7 @@ static __le16 iwl_adjust_beacon_interval return cpu_to_le16(new_val); } -static void iwl_setup_rxon_timing(struct iwl_priv *priv) +static void iwl3945_setup_rxon_timing(struct iwl3945_priv *priv) { u64 interval_tm_unit; u64 tsf, result; @@ -2337,14 +2379,14 @@ static void iwl_setup_rxon_timing(struct priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int); priv->rxon_timing.beacon_interval = - iwl_adjust_beacon_interval( + iwl3945_adjust_beacon_interval( le16_to_cpu(priv->rxon_timing.beacon_interval)); } priv->rxon_timing.atim_window = 0; } else { priv->rxon_timing.beacon_interval = - iwl_adjust_beacon_interval(conf->beacon_int); + iwl3945_adjust_beacon_interval(conf->beacon_int); /* TODO: we need to get atim_window from upper stack * for now we set to 0 */ priv->rxon_timing.atim_window = 0; @@ -2363,14 +2405,14 @@ static void iwl_setup_rxon_timing(struct le16_to_cpu(priv->rxon_timing.atim_window)); } -static int iwl_scan_initiate(struct iwl_priv *priv) +static int iwl3945_scan_initiate(struct iwl3945_priv *priv) { if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { IWL_ERROR("APs don't scan.\n"); return 0; } - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_SCAN("Aborting scan due to not ready.\n"); return -EIO; } @@ -2397,9 +2439,9 @@ static int iwl_scan_initiate(struct iwl_ return 0; } -static int iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt) +static int iwl3945_set_rxon_hwcrypto(struct iwl3945_priv *priv, int hw_decrypt) { - struct iwl_rxon_cmd *rxon = &priv->staging_rxon; + struct iwl3945_rxon_cmd *rxon = &priv->staging_rxon; if (hw_decrypt) rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK; @@ -2409,7 +2451,7 @@ static int iwl_set_rxon_hwcrypto(struct return 0; } -static void iwl_set_flags_for_phymode(struct iwl_priv *priv, u8 phymode) +static void iwl3945_set_flags_for_phymode(struct iwl3945_priv *priv, u8 phymode) { if (phymode == MODE_IEEE80211A) { priv->staging_rxon.flags &= @@ -2417,7 +2459,7 @@ static void iwl_set_flags_for_phymode(st | RXON_FLG_CCK_MSK); priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; } else { - /* Copied from iwl_bg_post_associate() */ + /* Copied from iwl3945_bg_post_associate() */ if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; else @@ -2433,11 +2475,11 @@ static void iwl_set_flags_for_phymode(st } /* - * initilize rxon structure with default values fromm eeprom + * initialize rxon structure with default values from eeprom */ -static void iwl_connection_init_rx_config(struct iwl_priv *priv) +static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv) { - const struct iwl_channel_info *ch_info; + const struct iwl3945_channel_info *ch_info; memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon)); @@ -2474,7 +2516,7 @@ static void iwl_connection_init_rx_confi priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; #endif - ch_info = iwl_get_channel_info(priv, priv->phymode, + ch_info = iwl3945_get_channel_info(priv, priv->phymode, le16_to_cpu(priv->staging_rxon.channel)); if (!ch_info) @@ -2494,7 +2536,7 @@ static void iwl_connection_init_rx_confi else priv->phymode = MODE_IEEE80211G; - iwl_set_flags_for_phymode(priv, priv->phymode); + iwl3945_set_flags_for_phymode(priv, priv->phymode); priv->staging_rxon.ofdm_basic_rates = (IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF; @@ -2502,15 +2544,12 @@ static void iwl_connection_init_rx_confi (IWL_CCK_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF; } -static int iwl_set_mode(struct iwl_priv *priv, int mode) +static int iwl3945_set_mode(struct iwl3945_priv *priv, int mode) { - if (!iwl_is_ready_rf(priv)) - return -EAGAIN; - if (mode == IEEE80211_IF_TYPE_IBSS) { - const struct iwl_channel_info *ch_info; + const struct iwl3945_channel_info *ch_info; - ch_info = iwl_get_channel_info(priv, + ch_info = iwl3945_get_channel_info(priv, priv->phymode, le16_to_cpu(priv->staging_rxon.channel)); @@ -2521,32 +2560,36 @@ static int iwl_set_mode(struct iwl_priv } } + priv->iw_mode = mode; + + iwl3945_connection_init_rx_config(priv); + memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); + + iwl3945_clear_stations_table(priv); + + /* dont commit rxon if rf-kill is on*/ + if (!iwl3945_is_ready_rf(priv)) + return -EAGAIN; + cancel_delayed_work(&priv->scan_check); - if (iwl_scan_cancel_timeout(priv, 100)) { + if (iwl3945_scan_cancel_timeout(priv, 100)) { IWL_WARNING("Aborted scan still in progress after 100ms\n"); IWL_DEBUG_MAC80211("leaving - scan abort failed.\n"); return -EAGAIN; } - priv->iw_mode = mode; - - iwl_connection_init_rx_config(priv); - memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); - - iwl_clear_stations_table(priv); - - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); return 0; } -static void iwl_build_tx_cmd_hwcrypto(struct iwl_priv *priv, +static void iwl3945_build_tx_cmd_hwcrypto(struct iwl3945_priv *priv, struct ieee80211_tx_control *ctl, - struct iwl_cmd *cmd, + struct iwl3945_cmd *cmd, struct sk_buff *skb_frag, int last_frag) { - struct iwl_hw_key *keyinfo = &priv->stations[ctl->key_idx].keyinfo; + struct iwl3945_hw_key *keyinfo = &priv->stations[ctl->key_idx].keyinfo; switch (keyinfo->alg) { case ALG_CCMP: @@ -2580,10 +2623,6 @@ static void iwl_build_tx_cmd_hwcrypto(st "with key %d\n", ctl->key_idx); break; - case ALG_NONE: - IWL_DEBUG_TX("Tx packet in the clear (encrypt requested).\n"); - break; - default: printk(KERN_ERR "Unknown encode alg %d\n", keyinfo->alg); break; @@ -2593,8 +2632,8 @@ static void iwl_build_tx_cmd_hwcrypto(st /* * handle build REPLY_TX command notification. */ -static void iwl_build_tx_cmd_basic(struct iwl_priv *priv, - struct iwl_cmd *cmd, +static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv, + struct iwl3945_cmd *cmd, struct ieee80211_tx_control *ctrl, struct ieee80211_hdr *hdr, int is_unicast, u8 std_id) @@ -2642,11 +2681,9 @@ static void iwl_build_tx_cmd_basic(struc if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) { if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ || (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_REQ) - cmd->cmd.tx.timeout.pm_frame_timeout = - cpu_to_le16(3); + cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(3); else - cmd->cmd.tx.timeout.pm_frame_timeout = - cpu_to_le16(2); + cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(2); } else cmd->cmd.tx.timeout.pm_frame_timeout = 0; @@ -2655,51 +2692,56 @@ static void iwl_build_tx_cmd_basic(struc cmd->cmd.tx.next_frame_len = 0; } -static int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr) +/** + * iwl3945_get_sta_id - Find station's index within station table + */ +static int iwl3945_get_sta_id(struct iwl3945_priv *priv, struct ieee80211_hdr *hdr) { int sta_id; u16 fc = le16_to_cpu(hdr->frame_control); - /* If this frame is broadcast or not data then use the broadcast - * station id */ + /* If this frame is broadcast or management, use broadcast station id */ if (((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) || is_multicast_ether_addr(hdr->addr1)) return priv->hw_setting.bcast_sta_id; switch (priv->iw_mode) { - /* If this frame is part of a BSS network (we're a station), then - * we use the AP's station id */ + /* If we are a client station in a BSS network, use the special + * AP station entry (that's the only station we communicate with) */ case IEEE80211_IF_TYPE_STA: return IWL_AP_ID; /* If we are an AP, then find the station, or use BCAST */ case IEEE80211_IF_TYPE_AP: - sta_id = iwl_hw_find_station(priv, hdr->addr1); + sta_id = iwl3945_hw_find_station(priv, hdr->addr1); if (sta_id != IWL_INVALID_STATION) return sta_id; return priv->hw_setting.bcast_sta_id; - /* If this frame is part of a IBSS network, then we use the - * target specific station id */ - case IEEE80211_IF_TYPE_IBSS: - sta_id = iwl_hw_find_station(priv, hdr->addr1); + /* If this frame is going out to an IBSS network, find the station, + * or create a new station table entry */ + case IEEE80211_IF_TYPE_IBSS: { + DECLARE_MAC_BUF(mac); + + /* Create new station table entry */ + sta_id = iwl3945_hw_find_station(priv, hdr->addr1); if (sta_id != IWL_INVALID_STATION) return sta_id; - sta_id = iwl_add_station(priv, hdr->addr1, 0, CMD_ASYNC); + sta_id = iwl3945_add_station(priv, hdr->addr1, 0, CMD_ASYNC); if (sta_id != IWL_INVALID_STATION) return sta_id; - IWL_DEBUG_DROP("Station " MAC_FMT " not in station map. " + IWL_DEBUG_DROP("Station %s not in station map. " "Defaulting to broadcast...\n", - MAC_ARG(hdr->addr1)); - printk_buf(IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr)); + print_mac(mac, hdr->addr1)); + iwl3945_print_hex_dump(IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr)); return priv->hw_setting.bcast_sta_id; - + } default: - IWL_WARNING("Unkown mode of operation: %d", priv->iw_mode); + IWL_WARNING("Unknown mode of operation: %d", priv->iw_mode); return priv->hw_setting.bcast_sta_id; } } @@ -2707,18 +2749,18 @@ static int iwl_get_sta_id(struct iwl_pri /* * start REPLY_TX command process */ -static int iwl_tx_skb(struct iwl_priv *priv, +static int iwl3945_tx_skb(struct iwl3945_priv *priv, struct sk_buff *skb, struct ieee80211_tx_control *ctl) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct iwl_tfd_frame *tfd; + struct iwl3945_tfd_frame *tfd; u32 *control_flags; int txq_id = ctl->queue; - struct iwl_tx_queue *txq = NULL; - struct iwl_queue *q = NULL; + struct iwl3945_tx_queue *txq = NULL; + struct iwl3945_queue *q = NULL; dma_addr_t phys_addr; dma_addr_t txcmd_phys; - struct iwl_cmd *out_cmd = NULL; + struct iwl3945_cmd *out_cmd = NULL; u16 len, idx, len_org; u8 id, hdr_len, unicast; u8 sta_id; @@ -2730,7 +2772,7 @@ static int iwl_tx_skb(struct iwl_priv *p int rc; spin_lock_irqsave(&priv->lock, flags); - if (iwl_is_rfkill(priv)) { + if (iwl3945_is_rfkill(priv)) { IWL_DEBUG_DROP("Dropping - RF KILL\n"); goto drop_unlock; } @@ -2750,7 +2792,7 @@ static int iwl_tx_skb(struct iwl_priv *p fc = le16_to_cpu(hdr->frame_control); -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG if (ieee80211_is_auth(fc)) IWL_DEBUG_TX("Sending AUTH frame\n"); else if (ieee80211_is_assoc_request(fc)) @@ -2759,19 +2801,24 @@ static int iwl_tx_skb(struct iwl_priv *p IWL_DEBUG_TX("Sending REASSOC frame\n"); #endif - if (!iwl_is_associated(priv) && + /* drop all data frame if we are not associated */ + if (!iwl3945_is_associated(priv) && !priv->assoc_id && ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) { - IWL_DEBUG_DROP("Dropping - !iwl_is_associated\n"); + IWL_DEBUG_DROP("Dropping - !iwl3945_is_associated\n"); goto drop_unlock; } spin_unlock_irqrestore(&priv->lock, flags); hdr_len = ieee80211_get_hdrlen(fc); - sta_id = iwl_get_sta_id(priv, hdr); + + /* Find (or create) index into station table for destination station */ + sta_id = iwl3945_get_sta_id(priv, hdr); if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_DROP("Dropping - INVALID STATION: " MAC_FMT "\n", - MAC_ARG(hdr->addr1)); + DECLARE_MAC_BUF(mac); + + IWL_DEBUG_DROP("Dropping - INVALID STATION: %s\n", + print_mac(mac, hdr->addr1)); goto drop; } @@ -2787,32 +2834,54 @@ static int iwl_tx_skb(struct iwl_priv *p __constant_cpu_to_le16(IEEE80211_SCTL_FRAG)); seq_number += 0x10; } + + /* Descriptor for chosen Tx queue */ txq = &priv->txq[txq_id]; q = &txq->q; spin_lock_irqsave(&priv->lock, flags); - tfd = &txq->bd[q->first_empty]; + /* Set up first empty TFD within this queue's circular TFD buffer */ + tfd = &txq->bd[q->write_ptr]; memset(tfd, 0, sizeof(*tfd)); control_flags = (u32 *) tfd; - idx = get_cmd_index(q, q->first_empty, 0); + idx = get_cmd_index(q, q->write_ptr, 0); - memset(&(txq->txb[q->first_empty]), 0, sizeof(struct iwl_tx_info)); - txq->txb[q->first_empty].skb[0] = skb; - memcpy(&(txq->txb[q->first_empty].status.control), + /* Set up driver data for this TFD */ + memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl3945_tx_info)); + txq->txb[q->write_ptr].skb[0] = skb; + memcpy(&(txq->txb[q->write_ptr].status.control), ctl, sizeof(struct ieee80211_tx_control)); + + /* Init first empty entry in queue's array of Tx/cmd buffers */ out_cmd = &txq->cmd[idx]; memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr)); memset(&out_cmd->cmd.tx, 0, sizeof(out_cmd->cmd.tx)); + + /* + * Set up the Tx-command (not MAC!) header. + * Store the chosen Tx queue and TFD index within the sequence field; + * after Tx, uCode's Tx response will return this value so driver can + * locate the frame within the tx queue and do post-tx processing. + */ out_cmd->hdr.cmd = REPLY_TX; out_cmd->hdr.sequence = cpu_to_le16((u16)(QUEUE_TO_SEQ(txq_id) | - INDEX_TO_SEQ(q->first_empty))); - /* copy frags header */ + INDEX_TO_SEQ(q->write_ptr))); + + /* Copy MAC header from skb into command buffer */ memcpy(out_cmd->cmd.tx.hdr, hdr, hdr_len); - /* hdr = (struct ieee80211_hdr *)out_cmd->cmd.tx.hdr; */ + /* + * Use the first empty entry in this queue's command buffer array + * to contain the Tx command and MAC header concatenated together + * (payload data will be in another buffer). + * Size of this varies, due to varying MAC header length. + * If end is not dword aligned, we'll have 2 extra bytes at the end + * of the MAC header (device reads on dword boundaries). + * We'll tell device about this padding later. + */ len = priv->hw_setting.tx_cmd_len + - sizeof(struct iwl_cmd_header) + hdr_len; + sizeof(struct iwl3945_cmd_header) + hdr_len; len_org = len; len = (len + 3) & ~3; @@ -2822,37 +2891,45 @@ static int iwl_tx_skb(struct iwl_priv *p else len_org = 0; - txcmd_phys = txq->dma_addr_cmd + sizeof(struct iwl_cmd) * idx + - offsetof(struct iwl_cmd, hdr); - - iwl_hw_txq_attach_buf_to_tfd(priv, tfd, txcmd_phys, len); + /* Physical address of this Tx command's header (not MAC header!), + * within command buffer array. */ + txcmd_phys = txq->dma_addr_cmd + sizeof(struct iwl3945_cmd) * idx + + offsetof(struct iwl3945_cmd, hdr); + + /* Add buffer containing Tx command and MAC(!) header to TFD's + * first entry */ + iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, txcmd_phys, len); if (!(ctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) - iwl_build_tx_cmd_hwcrypto(priv, ctl, out_cmd, skb, 0); + iwl3945_build_tx_cmd_hwcrypto(priv, ctl, out_cmd, skb, 0); - /* 802.11 null functions have no payload... */ + /* Set up TFD's 2nd entry to point directly to remainder of skb, + * if any (802.11 null frames have no payload). */ len = skb->len - hdr_len; if (len) { phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len, len, PCI_DMA_TODEVICE); - iwl_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, len); + iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, len); } - /* If there is no payload, then only one TFD is used */ if (!len) + /* If there is no payload, then we use only one Tx buffer */ *control_flags = TFD_CTL_COUNT_SET(1); else + /* Else use 2 buffers. + * Tell 3945 about any padding after MAC header */ *control_flags = TFD_CTL_COUNT_SET(2) | TFD_CTL_PAD_SET(U32_PAD(len)); + /* Total # bytes to be transmitted */ len = (u16)skb->len; out_cmd->cmd.tx.len = cpu_to_le16(len); /* TODO need this for burst mode later on */ - iwl_build_tx_cmd_basic(priv, out_cmd, ctl, hdr, unicast, sta_id); + iwl3945_build_tx_cmd_basic(priv, out_cmd, ctl, hdr, unicast, sta_id); /* set is_hcca to 0; it probably will never be implemented */ - iwl_hw_build_tx_cmd_rate(priv, out_cmd, ctl, hdr, sta_id, 0); + iwl3945_hw_build_tx_cmd_rate(priv, out_cmd, ctl, hdr, sta_id, 0); out_cmd->cmd.tx.tx_flags &= ~TX_CMD_FLG_ANT_A_MSK; out_cmd->cmd.tx.tx_flags &= ~TX_CMD_FLG_ANT_B_MSK; @@ -2868,24 +2945,26 @@ static int iwl_tx_skb(struct iwl_priv *p txq->need_update = 0; } - printk_buf(IWL_DL_TX, out_cmd->cmd.payload, sizeof(out_cmd->cmd.tx)); + iwl3945_print_hex_dump(IWL_DL_TX, out_cmd->cmd.payload, + sizeof(out_cmd->cmd.tx)); - printk_buf(IWL_DL_TX, (u8 *) out_cmd->cmd.tx.hdr, - ieee80211_get_hdrlen(fc)); + iwl3945_print_hex_dump(IWL_DL_TX, (u8 *)out_cmd->cmd.tx.hdr, + ieee80211_get_hdrlen(fc)); - q->first_empty = iwl_queue_inc_wrap(q->first_empty, q->n_bd); - rc = iwl_tx_queue_update_write_ptr(priv, txq); + /* Tell device the write index *just past* this latest filled TFD */ + q->write_ptr = iwl3945_queue_inc_wrap(q->write_ptr, q->n_bd); + rc = iwl3945_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); if (rc) return rc; - if ((iwl_queue_space(q) < q->high_mark) + if ((iwl3945_queue_space(q) < q->high_mark) && priv->mac80211_registered) { if (wait_write_ptr) { spin_lock_irqsave(&priv->lock, flags); txq->need_update = 1; - iwl_tx_queue_update_write_ptr(priv, txq); + iwl3945_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); } @@ -2900,13 +2979,17 @@ drop: return -1; } -static void iwl_set_rate(struct iwl_priv *priv) +static void iwl3945_set_rate(struct iwl3945_priv *priv) { const struct ieee80211_hw_mode *hw = NULL; struct ieee80211_rate *rate; int i; - hw = iwl_get_hw_mode(priv, priv->phymode); + hw = iwl3945_get_hw_mode(priv, priv->phymode); + if (!hw) { + IWL_ERROR("Failed to set rate: unable to get hw mode\n"); + return; + } priv->active_rate = 0; priv->active_rate_basic = 0; @@ -2920,7 +3003,7 @@ static void iwl_set_rate(struct iwl_priv if ((rate->val < IWL_RATE_COUNT) && (rate->flags & IEEE80211_RATE_SUPPORTED)) { IWL_DEBUG_RATE("Adding rate index %d (plcp %d)%s\n", - rate->val, iwl_rates[rate->val].plcp, + rate->val, iwl3945_rates[rate->val].plcp, (rate->flags & IEEE80211_RATE_BASIC) ? "*" : ""); priv->active_rate |= (1 << rate->val); @@ -2928,7 +3011,7 @@ static void iwl_set_rate(struct iwl_priv priv->active_rate_basic |= (1 << rate->val); } else IWL_DEBUG_RATE("Not adding rate %d (plcp %d)\n", - rate->val, iwl_rates[rate->val].plcp); + rate->val, iwl3945_rates[rate->val].plcp); } IWL_DEBUG_RATE("Set active_rate = %0x, active_rate_basic = %0x\n", @@ -2957,7 +3040,7 @@ static void iwl_set_rate(struct iwl_priv (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF; } -static void iwl_radio_kill_sw(struct iwl_priv *priv, int disable_radio) +static void iwl3945_radio_kill_sw(struct iwl3945_priv *priv, int disable_radio) { unsigned long flags; @@ -2968,21 +3051,21 @@ static void iwl_radio_kill_sw(struct iwl disable_radio ? "OFF" : "ON"); if (disable_radio) { - iwl_scan_cancel(priv); + iwl3945_scan_cancel(priv); /* FIXME: This is a workaround for AP */ if (priv->iw_mode != IEEE80211_IF_TYPE_AP) { spin_lock_irqsave(&priv->lock, flags); - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_SET, CSR_UCODE_SW_BIT_RFKILL); spin_unlock_irqrestore(&priv->lock, flags); - iwl_send_card_state(priv, CARD_STATE_CMD_DISABLE, 0); + iwl3945_send_card_state(priv, CARD_STATE_CMD_DISABLE, 0); set_bit(STATUS_RF_KILL_SW, &priv->status); } return; } spin_lock_irqsave(&priv->lock, flags); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); clear_bit(STATUS_RF_KILL_SW, &priv->status); spin_unlock_irqrestore(&priv->lock, flags); @@ -2991,9 +3074,9 @@ static void iwl_radio_kill_sw(struct iwl msleep(10); spin_lock_irqsave(&priv->lock, flags); - iwl_read32(priv, CSR_UCODE_DRV_GP1); - if (!iwl_grab_restricted_access(priv)) - iwl_release_restricted_access(priv); + iwl3945_read32(priv, CSR_UCODE_DRV_GP1); + if (!iwl3945_grab_nic_access(priv)) + iwl3945_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); if (test_bit(STATUS_RF_KILL_HW, &priv->status)) { @@ -3006,7 +3089,7 @@ static void iwl_radio_kill_sw(struct iwl return; } -void iwl_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb, +void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb, u32 decrypt_res, struct ieee80211_rx_status *stats) { u16 fc = @@ -3038,13 +3121,13 @@ void iwl_set_decrypted_flag(struct iwl_p } } -void iwl_handle_data_packet_monitor(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, +void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb, void *data, short len, struct ieee80211_rx_status *stats, u16 phy_flags) { - struct iwl_rt_rx_hdr *iwl_rt; + struct iwl3945_rt_rx_hdr *iwl3945_rt; /* First cache any information we need before we overwrite * the information provided in the skb from the hardware */ @@ -3055,26 +3138,26 @@ void iwl_handle_data_packet_monitor(stru __le16 phy_flags_hw = cpu_to_le16(phy_flags); /* We received data from the HW, so stop the watchdog */ - if (len > IWL_RX_BUF_SIZE - sizeof(*iwl_rt)) { + if (len > IWL_RX_BUF_SIZE - sizeof(*iwl3945_rt)) { IWL_DEBUG_DROP("Dropping too large packet in monitor\n"); return; } /* copy the frame data to write after where the radiotap header goes */ - iwl_rt = (void *)rxb->skb->data; - memmove(iwl_rt->payload, data, len); + iwl3945_rt = (void *)rxb->skb->data; + memmove(iwl3945_rt->payload, data, len); - iwl_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION; - iwl_rt->rt_hdr.it_pad = 0; /* always good to zero */ + iwl3945_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION; + iwl3945_rt->rt_hdr.it_pad = 0; /* always good to zero */ /* total header + data */ - iwl_rt->rt_hdr.it_len = cpu_to_le16(sizeof(*iwl_rt)); + iwl3945_rt->rt_hdr.it_len = cpu_to_le16(sizeof(*iwl3945_rt)); /* Set the size of the skb to the size of the frame */ - skb_put(rxb->skb, sizeof(*iwl_rt) + len); + skb_put(rxb->skb, sizeof(*iwl3945_rt) + len); /* Big bitfield of all the fields we provide in radiotap */ - iwl_rt->rt_hdr.it_present = + iwl3945_rt->rt_hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_TSFT) | (1 << IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE) | @@ -3084,39 +3167,39 @@ void iwl_handle_data_packet_monitor(stru (1 << IEEE80211_RADIOTAP_ANTENNA)); /* Zero the flags, we'll add to them as we go */ - iwl_rt->rt_flags = 0; + iwl3945_rt->rt_flags = 0; - iwl_rt->rt_tsf = cpu_to_le64(tsf); + iwl3945_rt->rt_tsf = cpu_to_le64(tsf); /* Convert to dBm */ - iwl_rt->rt_dbmsignal = signal; - iwl_rt->rt_dbmnoise = noise; + iwl3945_rt->rt_dbmsignal = signal; + iwl3945_rt->rt_dbmnoise = noise; /* Convert the channel frequency and set the flags */ - iwl_rt->rt_channelMHz = cpu_to_le16(stats->freq); + iwl3945_rt->rt_channelMHz = cpu_to_le16(stats->freq); if (!(phy_flags_hw & RX_RES_PHY_FLAGS_BAND_24_MSK)) - iwl_rt->rt_chbitmask = + iwl3945_rt->rt_chbitmask = cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ)); else if (phy_flags_hw & RX_RES_PHY_FLAGS_MOD_CCK_MSK) - iwl_rt->rt_chbitmask = + iwl3945_rt->rt_chbitmask = cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ)); else /* 802.11g */ - iwl_rt->rt_chbitmask = + iwl3945_rt->rt_chbitmask = cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ)); - rate = iwl_rate_index_from_plcp(rate); + rate = iwl3945_rate_index_from_plcp(rate); if (rate == -1) - iwl_rt->rt_rate = 0; + iwl3945_rt->rt_rate = 0; else - iwl_rt->rt_rate = iwl_rates[rate].ieee; + iwl3945_rt->rt_rate = iwl3945_rates[rate].ieee; /* antenna number */ - iwl_rt->rt_antenna = + iwl3945_rt->rt_antenna = le16_to_cpu(phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK) >> 4; /* set the preamble flag if we have it */ if (phy_flags_hw & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK) - iwl_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; + iwl3945_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; IWL_DEBUG_RX("Rx packet of %d bytes.\n", rxb->skb->len); @@ -3128,7 +3211,7 @@ void iwl_handle_data_packet_monitor(stru #define IWL_PACKET_RETRY_TIME HZ -int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) +int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv, struct ieee80211_hdr *header) { u16 sc = le16_to_cpu(header->seq_ctrl); u16 seq = (sc & IEEE80211_SCTL_SEQ) >> 4; @@ -3139,29 +3222,26 @@ int is_duplicate_packet(struct iwl_priv switch (priv->iw_mode) { case IEEE80211_IF_TYPE_IBSS:{ struct list_head *p; - struct iwl_ibss_seq *entry = NULL; + struct iwl3945_ibss_seq *entry = NULL; u8 *mac = header->addr2; int index = mac[5] & (IWL_IBSS_MAC_HASH_SIZE - 1); __list_for_each(p, &priv->ibss_mac_hash[index]) { - entry = - list_entry(p, struct iwl_ibss_seq, list); + entry = list_entry(p, struct iwl3945_ibss_seq, list); if (!compare_ether_addr(entry->mac, mac)) break; } if (p == &priv->ibss_mac_hash[index]) { entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) { - IWL_ERROR - ("Cannot malloc new mac entry\n"); + IWL_ERROR("Cannot malloc new mac entry\n"); return 0; } memcpy(entry->mac, mac, ETH_ALEN); entry->seq_num = seq; entry->frag_num = frag; entry->packet_time = jiffies; - list_add(&entry->list, - &priv->ibss_mac_hash[index]); + list_add(&entry->list, &priv->ibss_mac_hash[index]); return 0; } last_seq = &entry->seq_num; @@ -3195,7 +3275,7 @@ int is_duplicate_packet(struct iwl_priv return 1; } -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT #include "iwl-spectrum.h" @@ -3210,7 +3290,7 @@ int is_duplicate_packet(struct iwl_priv * the lower 3 bytes is the time in usec within one beacon interval */ -static u32 iwl_usecs_to_beacons(u32 usec, u32 beacon_interval) +static u32 iwl3945_usecs_to_beacons(u32 usec, u32 beacon_interval) { u32 quot; u32 rem; @@ -3229,7 +3309,7 @@ static u32 iwl_usecs_to_beacons(u32 usec * the same as HW timer counter counting down */ -static __le32 iwl_add_beacon_time(u32 base, u32 addon, u32 beacon_interval) +static __le32 iwl3945_add_beacon_time(u32 base, u32 addon, u32 beacon_interval) { u32 base_low = base & BEACON_TIME_MASK_LOW; u32 addon_low = addon & BEACON_TIME_MASK_LOW; @@ -3248,13 +3328,13 @@ static __le32 iwl_add_beacon_time(u32 ba return cpu_to_le32(res); } -static int iwl_get_measurement(struct iwl_priv *priv, +static int iwl3945_get_measurement(struct iwl3945_priv *priv, struct ieee80211_measurement_params *params, u8 type) { - struct iwl_spectrum_cmd spectrum; - struct iwl_rx_packet *res; - struct iwl_host_cmd cmd = { + struct iwl3945_spectrum_cmd spectrum; + struct iwl3945_rx_packet *res; + struct iwl3945_host_cmd cmd = { .id = REPLY_SPECTRUM_MEASUREMENT_CMD, .data = (void *)&spectrum, .meta.flags = CMD_WANT_SKB, @@ -3264,9 +3344,9 @@ static int iwl_get_measurement(struct iw int spectrum_resp_status; int duration = le16_to_cpu(params->duration); - if (iwl_is_associated(priv)) + if (iwl3945_is_associated(priv)) add_time = - iwl_usecs_to_beacons( + iwl3945_usecs_to_beacons( le64_to_cpu(params->start_time) - priv->last_tsf, le16_to_cpu(priv->rxon_timing.beacon_interval)); @@ -3279,9 +3359,9 @@ static int iwl_get_measurement(struct iw cmd.len = sizeof(spectrum); spectrum.len = cpu_to_le16(cmd.len - sizeof(spectrum.len)); - if (iwl_is_associated(priv)) + if (iwl3945_is_associated(priv)) spectrum.start_time = - iwl_add_beacon_time(priv->last_beacon_time, + iwl3945_add_beacon_time(priv->last_beacon_time, add_time, le16_to_cpu(priv->rxon_timing.beacon_interval)); else @@ -3294,11 +3374,11 @@ static int iwl_get_measurement(struct iw spectrum.flags |= RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK | RXON_FLG_TGG_PROTECT_MSK; - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl3945_send_cmd_sync(priv, &cmd); if (rc) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl3945_rx_packet *)cmd.meta.u.skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_RX_ON_ASSOC command\n"); rc = -EIO; @@ -3308,9 +3388,8 @@ static int iwl_get_measurement(struct iw switch (spectrum_resp_status) { case 0: /* Command will be handled */ if (res->u.spectrum.id != 0xff) { - IWL_DEBUG_INFO - ("Replaced existing measurement: %d\n", - res->u.spectrum.id); + IWL_DEBUG_INFO("Replaced existing measurement: %d\n", + res->u.spectrum.id); priv->measurement_status &= ~MEASUREMENT_READY; } priv->measurement_status |= MEASUREMENT_ACTIVE; @@ -3328,8 +3407,8 @@ static int iwl_get_measurement(struct iw } #endif -static void iwl_txstatus_to_ieee(struct iwl_priv *priv, - struct iwl_tx_info *tx_sta) +static void iwl3945_txstatus_to_ieee(struct iwl3945_priv *priv, + struct iwl3945_tx_info *tx_sta) { tx_sta->status.ack_signal = 0; @@ -3348,41 +3427,41 @@ static void iwl_txstatus_to_ieee(struct } /** - * iwl_tx_queue_reclaim - Reclaim Tx queue entries no more used by NIC. + * iwl3945_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd * - * When FW advances 'R' index, all entries between old and - * new 'R' index need to be reclaimed. As result, some free space - * forms. If there is enough free space (> low mark), wake Tx queue. + * When FW advances 'R' index, all entries between old and new 'R' index + * need to be reclaimed. As result, some free space forms. If there is + * enough free space (> low mark), wake the stack that feeds us. */ -int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) +static int iwl3945_tx_queue_reclaim(struct iwl3945_priv *priv, int txq_id, int index) { - struct iwl_tx_queue *txq = &priv->txq[txq_id]; - struct iwl_queue *q = &txq->q; + struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; + struct iwl3945_queue *q = &txq->q; int nfreed = 0; if ((index >= q->n_bd) || (x2_queue_used(q, index) == 0)) { IWL_ERROR("Read index for DMA queue txq id (%d), index %d, " "is out of range [0-%d] %d %d.\n", txq_id, - index, q->n_bd, q->first_empty, q->last_used); + index, q->n_bd, q->write_ptr, q->read_ptr); return 0; } - for (index = iwl_queue_inc_wrap(index, q->n_bd); - q->last_used != index; - q->last_used = iwl_queue_inc_wrap(q->last_used, q->n_bd)) { + for (index = iwl3945_queue_inc_wrap(index, q->n_bd); + q->read_ptr != index; + q->read_ptr = iwl3945_queue_inc_wrap(q->read_ptr, q->n_bd)) { if (txq_id != IWL_CMD_QUEUE_NUM) { - iwl_txstatus_to_ieee(priv, - &(txq->txb[txq->q.last_used])); - iwl_hw_txq_free_tfd(priv, txq); + iwl3945_txstatus_to_ieee(priv, + &(txq->txb[txq->q.read_ptr])); + iwl3945_hw_txq_free_tfd(priv, txq); } else if (nfreed > 1) { IWL_ERROR("HCMD skipped: index (%d) %d %d\n", index, - q->first_empty, q->last_used); + q->write_ptr, q->read_ptr); queue_work(priv->workqueue, &priv->restart); } nfreed++; } - if (iwl_queue_space(q) > q->low_mark && (txq_id >= 0) && + if (iwl3945_queue_space(q) > q->low_mark && (txq_id >= 0) && (txq_id != IWL_CMD_QUEUE_NUM) && priv->mac80211_registered) ieee80211_wake_queue(priv->hw, txq_id); @@ -3391,7 +3470,7 @@ int iwl_tx_queue_reclaim(struct iwl_priv return nfreed; } -static int iwl_is_tx_success(u32 status) +static int iwl3945_is_tx_success(u32 status) { return (status & 0xFF) == 0x1; } @@ -3401,27 +3480,30 @@ static int iwl_is_tx_success(u32 status) * Generic RX handler implementations * ******************************************************************************/ -static void iwl_rx_reply_tx(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +/** + * iwl3945_rx_reply_tx - Handle Tx response + */ +static void iwl3945_rx_reply_tx(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; u16 sequence = le16_to_cpu(pkt->hdr.sequence); int txq_id = SEQ_TO_QUEUE(sequence); int index = SEQ_TO_INDEX(sequence); - struct iwl_tx_queue *txq = &priv->txq[txq_id]; + struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; struct ieee80211_tx_status *tx_status; - struct iwl_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; + struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; u32 status = le32_to_cpu(tx_resp->status); if ((index >= txq->q.n_bd) || (x2_queue_used(&txq->q, index) == 0)) { IWL_ERROR("Read index for DMA queue txq_id (%d) index %d " "is out of range [0-%d] %d %d\n", txq_id, - index, txq->q.n_bd, txq->q.first_empty, - txq->q.last_used); + index, txq->q.n_bd, txq->q.write_ptr, + txq->q.read_ptr); return; } - tx_status = &(txq->txb[txq->q.last_used].status); + tx_status = &(txq->txb[txq->q.read_ptr].status); tx_status->retry_count = tx_resp->failure_frame; tx_status->queue_number = status; @@ -3429,28 +3511,28 @@ static void iwl_rx_reply_tx(struct iwl_p tx_status->queue_length |= tx_resp->failure_rts; tx_status->flags = - iwl_is_tx_success(status) ? IEEE80211_TX_STATUS_ACK : 0; + iwl3945_is_tx_success(status) ? IEEE80211_TX_STATUS_ACK : 0; - tx_status->control.tx_rate = iwl_rate_index_from_plcp(tx_resp->rate); + tx_status->control.tx_rate = iwl3945_rate_index_from_plcp(tx_resp->rate); IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) plcp rate %d retries %d\n", - txq_id, iwl_get_tx_fail_reason(status), status, + txq_id, iwl3945_get_tx_fail_reason(status), status, tx_resp->rate, tx_resp->failure_frame); IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index); if (index != -1) - iwl_tx_queue_reclaim(priv, txq_id, index); + iwl3945_tx_queue_reclaim(priv, txq_id, index); if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK)) IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n"); } -static void iwl_rx_reply_alive(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_reply_alive(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_alive_resp *palive; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_alive_resp *palive; struct work_struct *pwork; palive = &pkt->u.alive_frame; @@ -3464,14 +3546,14 @@ static void iwl_rx_reply_alive(struct iw IWL_DEBUG_INFO("Initialization Alive received.\n"); memcpy(&priv->card_alive_init, &pkt->u.alive_frame, - sizeof(struct iwl_init_alive_resp)); + sizeof(struct iwl3945_init_alive_resp)); pwork = &priv->init_alive_start; } else { IWL_DEBUG_INFO("Runtime Alive received.\n"); memcpy(&priv->card_alive, &pkt->u.alive_frame, - sizeof(struct iwl_alive_resp)); + sizeof(struct iwl3945_alive_resp)); pwork = &priv->alive_start; - iwl_disable_events(priv); + iwl3945_disable_events(priv); } /* We delay the ALIVE response by 5ms to @@ -3483,19 +3565,19 @@ static void iwl_rx_reply_alive(struct iw IWL_WARNING("uCode did not respond OK.\n"); } -static void iwl_rx_reply_add_sta(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_reply_add_sta(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; IWL_DEBUG_RX("Received REPLY_ADD_STA: 0x%02X\n", pkt->u.status); return; } -static void iwl_rx_reply_error(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_reply_error(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; IWL_ERROR("Error Reply type 0x%08X cmd %s (0x%02X) " "seq 0x%04X ser 0x%08X\n", @@ -3508,23 +3590,23 @@ static void iwl_rx_reply_error(struct iw #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x -static void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_csa(struct iwl3945_priv *priv, struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon; - struct iwl_csa_notification *csa = &(pkt->u.csa_notif); + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rxon_cmd *rxon = (void *)&priv->active_rxon; + struct iwl3945_csa_notification *csa = &(pkt->u.csa_notif); IWL_DEBUG_11H("CSA notif: channel %d, status %d\n", le16_to_cpu(csa->channel), le32_to_cpu(csa->status)); rxon->channel = csa->channel; priv->staging_rxon.channel = csa->channel; } -static void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_spectrum_measure_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_spectrum_notification *report = &(pkt->u.spectrum_notif); +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_spectrum_notification *report = &(pkt->u.spectrum_notif); if (!report->state) { IWL_DEBUG(IWL_DL_11H | IWL_DL_INFO, @@ -3537,31 +3619,30 @@ static void iwl_rx_spectrum_measure_noti #endif } -static void iwl_rx_pm_sleep_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_pm_sleep_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWLWIFI_DEBUG - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif); +#ifdef CONFIG_IWL3945_DEBUG + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_sleep_notification *sleep = &(pkt->u.sleep_notif); IWL_DEBUG_RX("sleep mode: %d, src: %d\n", sleep->pm_sleep_mode, sleep->pm_wakeup_src); #endif } -static void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_pm_debug_statistics_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; IWL_DEBUG_RADIO("Dumping %d bytes of unhandled " "notification for %s:\n", le32_to_cpu(pkt->len), get_cmd_string(pkt->hdr.cmd)); - printk_buf(IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len)); + iwl3945_print_hex_dump(IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len)); } -static void iwl_bg_beacon_update(void *p) +static void iwl3945_bg_beacon_update(void *p) { - struct iwl_priv *priv = p; - + struct iwl3945_priv *priv = p; struct sk_buff *beacon; /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ @@ -3580,15 +3661,15 @@ static void iwl_bg_beacon_update(void *p priv->ibss_beacon = beacon; mutex_unlock(&priv->mutex); - iwl_send_beacon_cmd(priv); + iwl3945_send_beacon_cmd(priv); } -static void iwl_rx_beacon_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_beacon_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWLWIFI_DEBUG - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_beacon_notif *beacon = &(pkt->u.beacon_status); +#ifdef CONFIG_IWL3945_DEBUG + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_beacon_notif *beacon = &(pkt->u.beacon_status); u8 rate = beacon->beacon_notify_hdr.rate; IWL_DEBUG_RX("beacon status %x retries %d iss %d " @@ -3606,25 +3687,25 @@ static void iwl_rx_beacon_notif(struct i } /* Service response to REPLY_SCAN_CMD (0x80) */ -static void iwl_rx_reply_scan(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_reply_scan(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { -#ifdef CONFIG_IWLWIFI_DEBUG - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_scanreq_notification *notif = - (struct iwl_scanreq_notification *)pkt->u.raw; +#ifdef CONFIG_IWL3945_DEBUG + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_scanreq_notification *notif = + (struct iwl3945_scanreq_notification *)pkt->u.raw; IWL_DEBUG_RX("Scan request status = 0x%x\n", notif->status); #endif } /* Service SCAN_START_NOTIFICATION (0x82) */ -static void iwl_rx_scan_start_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_scan_start_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_scanstart_notification *notif = - (struct iwl_scanstart_notification *)pkt->u.raw; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_scanstart_notification *notif = + (struct iwl3945_scanstart_notification *)pkt->u.raw; priv->scan_start_tsf = le32_to_cpu(notif->tsf_low); IWL_DEBUG_SCAN("Scan start: " "%d [802.11%s] " @@ -3636,12 +3717,12 @@ static void iwl_rx_scan_start_notif(stru } /* Service SCAN_RESULTS_NOTIFICATION (0x83) */ -static void iwl_rx_scan_results_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_scan_results_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_scanresults_notification *notif = - (struct iwl_scanresults_notification *)pkt->u.raw; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_scanresults_notification *notif = + (struct iwl3945_scanresults_notification *)pkt->u.raw; IWL_DEBUG_SCAN("Scan ch.res: " "%d [802.11%s] " @@ -3657,14 +3738,15 @@ static void iwl_rx_scan_results_notif(st (priv->last_scan_jiffies, jiffies))); priv->last_scan_jiffies = jiffies; + priv->next_scan_jiffies = 0; } /* Service SCAN_COMPLETE_NOTIFICATION (0x84) */ -static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_scan_complete_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; - struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_scancomplete_notification *scan_notif = (void *)pkt->u.raw; IWL_DEBUG_SCAN("Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n", scan_notif->scanned_channels, @@ -3699,6 +3781,7 @@ static void iwl_rx_scan_complete_notif(s } priv->last_scan_jiffies = jiffies; + priv->next_scan_jiffies = 0; IWL_DEBUG_INFO("Setting scan to off\n"); clear_bit(STATUS_SCANNING, &priv->status); @@ -3717,10 +3800,10 @@ reschedule: /* Handle notification from uCode that card's power state is changing * due to software, hardware, or critical temperature RFKILL */ -static void iwl_rx_card_state_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_rx_card_state_notif(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (void *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags); unsigned long status = priv->status; @@ -3728,7 +3811,7 @@ static void iwl_rx_card_state_notif(stru (flags & HW_CARD_DISABLED) ? "Kill" : "On", (flags & SW_CARD_DISABLED) ? "Kill" : "On"); - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); if (flags & HW_CARD_DISABLED) @@ -3742,7 +3825,7 @@ static void iwl_rx_card_state_notif(stru else clear_bit(STATUS_RF_KILL_SW, &priv->status); - iwl_scan_cancel(priv); + iwl3945_scan_cancel(priv); if ((test_bit(STATUS_RF_KILL_HW, &status) != test_bit(STATUS_RF_KILL_HW, &priv->status)) || @@ -3754,7 +3837,7 @@ static void iwl_rx_card_state_notif(stru } /** - * iwl_setup_rx_handlers - Initialize Rx handler callbacks + * iwl3945_setup_rx_handlers - Initialize Rx handler callbacks * * Setup the RX handlers for each of the reply types sent from the uCode * to the host. @@ -3762,61 +3845,58 @@ static void iwl_rx_card_state_notif(stru * This function chains into the hardware specific files for them to setup * any hardware specific handlers as well. */ -static void iwl_setup_rx_handlers(struct iwl_priv *priv) +static void iwl3945_setup_rx_handlers(struct iwl3945_priv *priv) { - priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive; - priv->rx_handlers[REPLY_ADD_STA] = iwl_rx_reply_add_sta; - priv->rx_handlers[REPLY_ERROR] = iwl_rx_reply_error; - priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl_rx_csa; + priv->rx_handlers[REPLY_ALIVE] = iwl3945_rx_reply_alive; + priv->rx_handlers[REPLY_ADD_STA] = iwl3945_rx_reply_add_sta; + priv->rx_handlers[REPLY_ERROR] = iwl3945_rx_reply_error; + priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl3945_rx_csa; priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] = - iwl_rx_spectrum_measure_notif; - priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif; + iwl3945_rx_spectrum_measure_notif; + priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl3945_rx_pm_sleep_notif; priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] = - iwl_rx_pm_debug_statistics_notif; - priv->rx_handlers[BEACON_NOTIFICATION] = iwl_rx_beacon_notif; + iwl3945_rx_pm_debug_statistics_notif; + priv->rx_handlers[BEACON_NOTIFICATION] = iwl3945_rx_beacon_notif; - /* NOTE: iwl_rx_statistics is different based on whether - * the build is for the 3945 or the 4965. See the - * corresponding implementation in iwl-XXXX.c - * - * The same handler is used for both the REPLY to a - * discrete statistics request from the host as well as - * for the periodic statistics notification from the uCode + /* + * The same handler is used for both the REPLY to a discrete + * statistics request from the host as well as for the periodic + * statistics notifications (after received beacons) from the uCode. */ - priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_hw_rx_statistics; - priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_hw_rx_statistics; + priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl3945_hw_rx_statistics; + priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl3945_hw_rx_statistics; - priv->rx_handlers[REPLY_SCAN_CMD] = iwl_rx_reply_scan; - priv->rx_handlers[SCAN_START_NOTIFICATION] = iwl_rx_scan_start_notif; + priv->rx_handlers[REPLY_SCAN_CMD] = iwl3945_rx_reply_scan; + priv->rx_handlers[SCAN_START_NOTIFICATION] = iwl3945_rx_scan_start_notif; priv->rx_handlers[SCAN_RESULTS_NOTIFICATION] = - iwl_rx_scan_results_notif; + iwl3945_rx_scan_results_notif; priv->rx_handlers[SCAN_COMPLETE_NOTIFICATION] = - iwl_rx_scan_complete_notif; - priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl_rx_card_state_notif; - priv->rx_handlers[REPLY_TX] = iwl_rx_reply_tx; + iwl3945_rx_scan_complete_notif; + priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl3945_rx_card_state_notif; + priv->rx_handlers[REPLY_TX] = iwl3945_rx_reply_tx; - /* Setup hardware specific Rx handlers */ - iwl_hw_rx_handler_setup(priv); + /* Set up hardware specific Rx handlers */ + iwl3945_hw_rx_handler_setup(priv); } /** - * iwl_tx_cmd_complete - Pull unused buffers off the queue and reclaim them + * iwl3945_tx_cmd_complete - Pull unused buffers off the queue and reclaim them * @rxb: Rx buffer to reclaim * * If an Rx buffer has an async callback associated with it the callback * will be executed. The attached skb (if present) will only be freed * if the callback returns 1 */ -static void iwl_tx_cmd_complete(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) +static void iwl3945_tx_cmd_complete(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) { - struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; + struct iwl3945_rx_packet *pkt = (struct iwl3945_rx_packet *)rxb->skb->data; u16 sequence = le16_to_cpu(pkt->hdr.sequence); int txq_id = SEQ_TO_QUEUE(sequence); int index = SEQ_TO_INDEX(sequence); int huge = sequence & SEQ_HUGE_FRAME; int cmd_index; - struct iwl_cmd *cmd; + struct iwl3945_cmd *cmd; /* If a Tx command is being handled and it isn't in the actual * command queue then there a command routing bug has been introduced @@ -3837,7 +3917,7 @@ static void iwl_tx_cmd_complete(struct i !cmd->meta.u.callback(priv, cmd, rxb->skb)) rxb->skb = NULL; - iwl_tx_queue_reclaim(priv, txq_id, index); + iwl3945_tx_queue_reclaim(priv, txq_id, index); if (!(cmd->meta.flags & CMD_ASYNC)) { clear_bit(STATUS_HCMD_ACTIVE, &priv->status); @@ -3867,10 +3947,10 @@ static void iwl_tx_cmd_complete(struct i * The queue is empty (no good data) if WRITE = READ - 1, and is full if * WRITE = READ. * - * During initialization the host sets up the READ queue position to the first + * During initialization, the host sets up the READ queue position to the first * INDEX position, and WRITE to the last (READ - 1 wrapped) * - * When the firmware places a packet in a buffer it will advance the READ index + * When the firmware places a packet in a buffer, it will advance the READ index * and fire the RX interrupt. The driver can then query the READ index and * process as many packets as possible, moving the WRITE index forward as it * resets the Rx queue buffers with new memory. @@ -3878,8 +3958,8 @@ static void iwl_tx_cmd_complete(struct i * The management in the driver is as follows: * + A list of pre-allocated SKBs is stored in iwl->rxq->rx_free. When * iwl->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled - * to replensish the iwl->rxq->rx_free. - * + In iwl_rx_replenish (scheduled) if 'processed' != 'read' then the + * to replenish the iwl->rxq->rx_free. + * + In iwl3945_rx_replenish (scheduled) if 'processed' != 'read' then the * iwl->rxq is replenished and the READ INDEX is updated (updating the * 'processed' and 'read' driver indexes as well) * + A received packet is processed and handed to the kernel network stack, @@ -3892,28 +3972,28 @@ static void iwl_tx_cmd_complete(struct i * * Driver sequence: * - * iwl_rx_queue_alloc() Allocates rx_free - * iwl_rx_replenish() Replenishes rx_free list from rx_used, and calls - * iwl_rx_queue_restock - * iwl_rx_queue_restock() Moves available buffers from rx_free into Rx + * iwl3945_rx_queue_alloc() Allocates rx_free + * iwl3945_rx_replenish() Replenishes rx_free list from rx_used, and calls + * iwl3945_rx_queue_restock + * iwl3945_rx_queue_restock() Moves available buffers from rx_free into Rx * queue, updates firmware pointers, and updates * the WRITE index. If insufficient rx_free buffers - * are available, schedules iwl_rx_replenish + * are available, schedules iwl3945_rx_replenish * * -- enable interrupts -- - * ISR - iwl_rx() Detach iwl_rx_mem_buffers from pool up to the + * ISR - iwl3945_rx() Detach iwl3945_rx_mem_buffers from pool up to the * READ INDEX, detaching the SKB from the pool. * Moves the packet buffer from queue to rx_used. - * Calls iwl_rx_queue_restock to refill any empty + * Calls iwl3945_rx_queue_restock to refill any empty * slots. * ... * */ /** - * iwl_rx_queue_space - Return number of free slots available in queue. + * iwl3945_rx_queue_space - Return number of free slots available in queue. */ -static int iwl_rx_queue_space(const struct iwl_rx_queue *q) +static int iwl3945_rx_queue_space(const struct iwl3945_rx_queue *q) { int s = q->read - q->write; if (s <= 0) @@ -3926,15 +4006,9 @@ static int iwl_rx_queue_space(const stru } /** - * iwl_rx_queue_update_write_ptr - Update the write pointer for the RX queue - * - * NOTE: This function has 3945 and 4965 specific code sections - * but is declared in base due to the majority of the - * implementation being the same (only a numeric constant is - * different) - * + * iwl3945_rx_queue_update_write_ptr - Update the write pointer for the RX queue */ -int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) +int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv, struct iwl3945_rx_queue *q) { u32 reg = 0; int rc = 0; @@ -3945,24 +4019,29 @@ int iwl_rx_queue_update_write_ptr(struct if (q->need_update == 0) goto exit_unlock; + /* If power-saving is in use, make sure device is awake */ if (test_bit(STATUS_POWER_PMI, &priv->status)) { - reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); + reg = iwl3945_read32(priv, CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - iwl_set_bit(priv, CSR_GP_CNTRL, + iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); goto exit_unlock; } - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) goto exit_unlock; - iwl_write_restricted(priv, FH_RSCSR_CHNL0_WPTR, + /* Device expects a multiple of 8 */ + iwl3945_write_direct32(priv, FH_RSCSR_CHNL0_WPTR, q->write & ~0x7); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); + + /* Else device is assumed to be awake */ } else - iwl_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write & ~0x7); + /* Device expects a multiple of 8 */ + iwl3945_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write & ~0x7); q->need_update = 0; @@ -3973,42 +4052,43 @@ int iwl_rx_queue_update_write_ptr(struct } /** - * iwl_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer pointer. - * - * NOTE: This function has 3945 and 4965 specific code paths in it. + * iwl3945_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer ptr */ -static inline __le32 iwl_dma_addr2rbd_ptr(struct iwl_priv *priv, +static inline __le32 iwl3945_dma_addr2rbd_ptr(struct iwl3945_priv *priv, dma_addr_t dma_addr) { return cpu_to_le32((u32)dma_addr); } /** - * iwl_rx_queue_restock - refill RX queue from pre-allocated pool + * iwl3945_rx_queue_restock - refill RX queue from pre-allocated pool * - * If there are slots in the RX queue that need to be restocked, + * If there are slots in the RX queue that need to be restocked, * and we have free pre-allocated buffers, fill the ranks as much - * as we can pulling from rx_free. + * as we can, pulling from rx_free. * * This moves the 'write' index forward to catch up with 'processed', and * also updates the memory address in the firmware to reference the new * target buffer. */ -int iwl_rx_queue_restock(struct iwl_priv *priv) +static int iwl3945_rx_queue_restock(struct iwl3945_priv *priv) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl3945_rx_queue *rxq = &priv->rxq; struct list_head *element; - struct iwl_rx_mem_buffer *rxb; + struct iwl3945_rx_mem_buffer *rxb; unsigned long flags; int write, rc; spin_lock_irqsave(&rxq->lock, flags); write = rxq->write & ~0x7; - while ((iwl_rx_queue_space(rxq) > 0) && (rxq->free_count)) { + while ((iwl3945_rx_queue_space(rxq) > 0) && (rxq->free_count)) { + /* Get next free Rx buffer, remove from free list */ element = rxq->rx_free.next; - rxb = list_entry(element, struct iwl_rx_mem_buffer, list); + rxb = list_entry(element, struct iwl3945_rx_mem_buffer, list); list_del(element); - rxq->bd[rxq->write] = iwl_dma_addr2rbd_ptr(priv, rxb->dma_addr); + + /* Point to Rx buffer via next RBD in circular buffer */ + rxq->bd[rxq->write] = iwl3945_dma_addr2rbd_ptr(priv, rxb->dma_addr); rxq->queue[rxq->write] = rxb; rxq->write = (rxq->write + 1) & RX_QUEUE_MASK; rxq->free_count--; @@ -4020,13 +4100,14 @@ int iwl_rx_queue_restock(struct iwl_priv queue_work(priv->workqueue, &priv->rx_replenish); - /* If we've added more space for the firmware to place data, tell it */ + /* If we've added more space for the firmware to place data, tell it. + * Increment device's write pointer in multiples of 8. */ if ((write != (rxq->write & ~0x7)) || (abs(rxq->write - rxq->read) > 7)) { spin_lock_irqsave(&rxq->lock, flags); rxq->need_update = 1; spin_unlock_irqrestore(&rxq->lock, flags); - rc = iwl_rx_queue_update_write_ptr(priv, rxq); + rc = iwl3945_rx_queue_update_write_ptr(priv, rxq); if (rc) return rc; } @@ -4035,24 +4116,25 @@ int iwl_rx_queue_restock(struct iwl_priv } /** - * iwl_rx_replensih - Move all used packet from rx_used to rx_free + * iwl3945_rx_replenish - Move all used packet from rx_used to rx_free * * When moving to rx_free an SKB is allocated for the slot. * - * Also restock the Rx queue via iwl_rx_queue_restock. - * This is called as a scheduled work item (except for during intialization) + * Also restock the Rx queue via iwl3945_rx_queue_restock. + * This is called as a scheduled work item (except for during initialization) */ -void iwl_rx_replenish(void *data) +static void iwl3945_rx_allocate(struct iwl3945_priv *priv) { - struct iwl_priv *priv = data; - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl3945_rx_queue *rxq = &priv->rxq; struct list_head *element; - struct iwl_rx_mem_buffer *rxb; + struct iwl3945_rx_mem_buffer *rxb; unsigned long flags; spin_lock_irqsave(&rxq->lock, flags); while (!list_empty(&rxq->rx_used)) { element = rxq->rx_used.next; - rxb = list_entry(element, struct iwl_rx_mem_buffer, list); + rxb = list_entry(element, struct iwl3945_rx_mem_buffer, list); + + /* Alloc a new receive buffer */ rxb->skb = alloc_skb(IWL_RX_BUF_SIZE, __GFP_NOWARN | GFP_ATOMIC); if (!rxb->skb) { @@ -4066,6 +4148,8 @@ void iwl_rx_replenish(void *data) } priv->alloc_rxb_skb++; list_del(element); + + /* Get physical address of RB/SKB */ rxb->dma_addr = pci_map_single(priv->pci_dev, rxb->skb->data, IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); @@ -4073,18 +4157,38 @@ void iwl_rx_replenish(void *data) rxq->free_count++; } spin_unlock_irqrestore(&rxq->lock, flags); +} + +/* + * this should be called while priv->lock is locked + */ +void __iwl3945_rx_replenish(void *data) +{ + struct iwl3945_priv *priv = data; + + iwl3945_rx_allocate(priv); + iwl3945_rx_queue_restock(priv); +} + + +void iwl3945_rx_replenish(void *data) +{ + struct iwl3945_priv *priv = data; + unsigned long flags; + + iwl3945_rx_allocate(priv); spin_lock_irqsave(&priv->lock, flags); - iwl_rx_queue_restock(priv); + iwl3945_rx_queue_restock(priv); spin_unlock_irqrestore(&priv->lock, flags); } /* Assumes that the skb field of the buffers in 'pool' is kept accurate. - * If an SKB has been detached, the POOL needs to have it's SKB set to NULL + * If an SKB has been detached, the POOL needs to have its SKB set to NULL * This free routine walks the list of POOL entries and if SKB is set to * non NULL it is unmapped and freed */ -void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq) +static void iwl3945_rx_queue_free(struct iwl3945_priv *priv, struct iwl3945_rx_queue *rxq) { int i; for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) { @@ -4101,21 +4205,25 @@ void iwl_rx_queue_free(struct iwl_priv * rxq->bd = NULL; } -int iwl_rx_queue_alloc(struct iwl_priv *priv) +int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv) { - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl3945_rx_queue *rxq = &priv->rxq; struct pci_dev *dev = priv->pci_dev; int i; spin_lock_init(&rxq->lock); INIT_LIST_HEAD(&rxq->rx_free); INIT_LIST_HEAD(&rxq->rx_used); + + /* Alloc the circular buffer of Read Buffer Descriptors (RBDs) */ rxq->bd = pci_alloc_consistent(dev, 4 * RX_QUEUE_SIZE, &rxq->dma_addr); if (!rxq->bd) return -ENOMEM; + /* Fill the rx_used queue with _all_ of the Rx buffers */ for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) list_add_tail(&rxq->pool[i].list, &rxq->rx_used); + /* Set us so that we have processed and used all buffers, but have * not restocked the Rx queue with fresh buffers */ rxq->read = rxq->write = 0; @@ -4124,7 +4232,7 @@ int iwl_rx_queue_alloc(struct iwl_priv * return 0; } -void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq) +void iwl3945_rx_queue_reset(struct iwl3945_priv *priv, struct iwl3945_rx_queue *rxq) { unsigned long flags; int i; @@ -4171,7 +4279,7 @@ static u8 ratio2dB[100] = { /* Calculates a relative dB value from a ratio of linear * (i.e. not dB) signal levels. * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ -int iwl_calc_db_from_ratio(int sig_ratio) +int iwl3945_calc_db_from_ratio(int sig_ratio) { /* Anything above 1000:1 just report as 60 dB */ if (sig_ratio > 1000) @@ -4197,7 +4305,7 @@ int iwl_calc_db_from_ratio(int sig_ratio /* Calculate an indication of rx signal quality (a percentage, not dBm!). * See http://www.ces.clemson.edu/linux/signal_quality.shtml for info * about formulas used below. */ -int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm) +int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm) { int sig_qual; int degradation = PERFECT_RSSI - rssi_dbm; @@ -4232,24 +4340,30 @@ int iwl_calc_sig_qual(int rssi_dbm, int } /** - * iwl_rx_handle - Main entry function for receiving responses from the uCode + * iwl3945_rx_handle - Main entry function for receiving responses from uCode * * Uses the priv->rx_handlers callback function array to invoke * the appropriate handlers, including command responses, * frame-received notifications, and other notifications. */ -static void iwl_rx_handle(struct iwl_priv *priv) +static void iwl3945_rx_handle(struct iwl3945_priv *priv) { - struct iwl_rx_mem_buffer *rxb; - struct iwl_rx_packet *pkt; - struct iwl_rx_queue *rxq = &priv->rxq; + struct iwl3945_rx_mem_buffer *rxb; + struct iwl3945_rx_packet *pkt; + struct iwl3945_rx_queue *rxq = &priv->rxq; u32 r, i; int reclaim; unsigned long flags; + u8 fill_rx = 0; + u32 count = 0; - r = iwl_hw_get_rx_read(priv); + /* uCode's read index (stored in shared DRAM) indicates the last Rx + * buffer that the driver may process (last buffer filled by ucode). */ + r = iwl3945_hw_get_rx_read(priv); i = rxq->read; + if (iwl3945_rx_queue_space(rxq) > (RX_QUEUE_SIZE / 2)) + fill_rx = 1; /* Rx interrupt, but nothing sent from uCode */ if (i == r) IWL_DEBUG(IWL_DL_RX | IWL_DL_ISR, "r = %d, i = %d\n", r, i); @@ -4257,7 +4371,7 @@ static void iwl_rx_handle(struct iwl_pri while (i != r) { rxb = rxq->queue[i]; - /* If an RXB doesn't have a queue slot associated with it + /* If an RXB doesn't have a Rx queue slot associated with it, * then a bug has been introduced in the queue refilling * routines -- catch it here */ BUG_ON(rxb == NULL); @@ -4267,7 +4381,7 @@ static void iwl_rx_handle(struct iwl_pri pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->dma_addr, IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - pkt = (struct iwl_rx_packet *)rxb->skb->data; + pkt = (struct iwl3945_rx_packet *)rxb->skb->data; /* Reclaim a command buffer only if this packet is a response * to a (driver-originated) command. @@ -4281,7 +4395,7 @@ static void iwl_rx_handle(struct iwl_pri /* Based on type of command response or notification, * handle those that need handling via function in - * rx_handlers table. See iwl_setup_rx_handlers() */ + * rx_handlers table. See iwl3945_setup_rx_handlers() */ if (priv->rx_handlers[pkt->hdr.cmd]) { IWL_DEBUG(IWL_DL_HOST_COMMAND | IWL_DL_RX | IWL_DL_ISR, "r = %d, i = %d, %s, 0x%02x\n", r, i, @@ -4296,11 +4410,11 @@ static void iwl_rx_handle(struct iwl_pri } if (reclaim) { - /* Invoke any callbacks, transfer the skb to caller, - * and fire off the (possibly) blocking iwl_send_cmd() + /* Invoke any callbacks, transfer the skb to caller, and + * fire off the (possibly) blocking iwl3945_send_cmd() * as we reclaim the driver command queue */ if (rxb && rxb->skb) - iwl_tx_cmd_complete(priv, rxb); + iwl3945_tx_cmd_complete(priv, rxb); else IWL_WARNING("Claim null rxb?\n"); } @@ -4320,15 +4434,28 @@ static void iwl_rx_handle(struct iwl_pri list_add_tail(&rxb->list, &priv->rxq.rx_used); spin_unlock_irqrestore(&rxq->lock, flags); i = (i + 1) & RX_QUEUE_MASK; + /* If there are a lot of unused frames, + * restock the Rx queue so ucode won't assert. */ + if (fill_rx) { + count++; + if (count >= 8) { + priv->rxq.read = i; + __iwl3945_rx_replenish(priv); + count = 0; + } + } } /* Backtrack one entry */ priv->rxq.read = i; - iwl_rx_queue_restock(priv); + iwl3945_rx_queue_restock(priv); } -int iwl_tx_queue_update_write_ptr(struct iwl_priv *priv, - struct iwl_tx_queue *txq) +/** + * iwl3945_tx_queue_update_write_ptr - Send new write index to hardware + */ +static int iwl3945_tx_queue_update_write_ptr(struct iwl3945_priv *priv, + struct iwl3945_tx_queue *txq) { u32 reg = 0; int rc = 0; @@ -4342,39 +4469,41 @@ int iwl_tx_queue_update_write_ptr(struct /* wake up nic if it's powered down ... * uCode will wake up, and interrupt us again, so next * time we'll skip this part. */ - reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); + reg = iwl3945_read32(priv, CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { IWL_DEBUG_INFO("Requesting wakeup, GP1 = 0x%x\n", reg); - iwl_set_bit(priv, CSR_GP_CNTRL, + iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); return rc; } /* restore this queue's parameters in nic hardware. */ - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) return rc; - iwl_write_restricted(priv, HBUS_TARG_WRPTR, - txq->q.first_empty | (txq_id << 8)); - iwl_release_restricted_access(priv); + iwl3945_write_direct32(priv, HBUS_TARG_WRPTR, + txq->q.write_ptr | (txq_id << 8)); + iwl3945_release_nic_access(priv); /* else not in power-save mode, uCode will never sleep when we're * trying to tx (during RFKILL, we're not trying to tx). */ } else - iwl_write32(priv, HBUS_TARG_WRPTR, - txq->q.first_empty | (txq_id << 8)); + iwl3945_write32(priv, HBUS_TARG_WRPTR, + txq->q.write_ptr | (txq_id << 8)); txq->need_update = 0; return rc; } -#ifdef CONFIG_IWLWIFI_DEBUG -static void iwl_print_rx_config_cmd(struct iwl_rxon_cmd *rxon) +#ifdef CONFIG_IWL3945_DEBUG +static void iwl3945_print_rx_config_cmd(struct iwl3945_rxon_cmd *rxon) { + DECLARE_MAC_BUF(mac); + IWL_DEBUG_RADIO("RX CONFIG:\n"); - printk_buf(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon)); + iwl3945_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon)); IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon->channel)); IWL_DEBUG_RADIO("u32 flags: 0x%08X\n", le32_to_cpu(rxon->flags)); IWL_DEBUG_RADIO("u32 filter_flags: 0x%08x\n", @@ -4383,32 +4512,32 @@ static void iwl_print_rx_config_cmd(stru IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n", rxon->ofdm_basic_rates); IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates); - IWL_DEBUG_RADIO("u8[6] node_addr: " MAC_FMT "\n", - MAC_ARG(rxon->node_addr)); - IWL_DEBUG_RADIO("u8[6] bssid_addr: " MAC_FMT "\n", - MAC_ARG(rxon->bssid_addr)); + IWL_DEBUG_RADIO("u8[6] node_addr: %s\n", + print_mac(mac, rxon->node_addr)); + IWL_DEBUG_RADIO("u8[6] bssid_addr: %s\n", + print_mac(mac, rxon->bssid_addr)); IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id)); } #endif -static void iwl_enable_interrupts(struct iwl_priv *priv) +static void iwl3945_enable_interrupts(struct iwl3945_priv *priv) { IWL_DEBUG_ISR("Enabling interrupts\n"); set_bit(STATUS_INT_ENABLED, &priv->status); - iwl_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK); + iwl3945_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK); } -static inline void iwl_disable_interrupts(struct iwl_priv *priv) +static inline void iwl3945_disable_interrupts(struct iwl3945_priv *priv) { clear_bit(STATUS_INT_ENABLED, &priv->status); /* disable interrupts from uCode/NIC to host */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); + iwl3945_write32(priv, CSR_INT_MASK, 0x00000000); /* acknowledge/clear/reset any interrupts still pending * from uCode or flow handler (Rx/Tx DMA) */ - iwl_write32(priv, CSR_INT, 0xffffffff); - iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff); + iwl3945_write32(priv, CSR_INT, 0xffffffff); + iwl3945_write32(priv, CSR_FH_INT_STATUS, 0xffffffff); IWL_DEBUG_ISR("Disabled interrupts\n"); } @@ -4435,7 +4564,7 @@ static const char *desc_lookup(int i) #define ERROR_START_OFFSET (1 * sizeof(u32)) #define ERROR_ELEM_SIZE (7 * sizeof(u32)) -static void iwl_dump_nic_error_log(struct iwl_priv *priv) +static void iwl3945_dump_nic_error_log(struct iwl3945_priv *priv) { u32 i; u32 desc, time, count, base, data1; @@ -4444,18 +4573,18 @@ static void iwl_dump_nic_error_log(struc base = le32_to_cpu(priv->card_alive.error_event_table_ptr); - if (!iwl_hw_valid_rtc_data_addr(base)) { + if (!iwl3945_hw_valid_rtc_data_addr(base)) { IWL_ERROR("Not valid error log pointer 0x%08X\n", base); return; } - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) { IWL_WARNING("Can not read from adapter at this time.\n"); return; } - count = iwl_read_restricted_mem(priv, base); + count = iwl3945_read_targ_mem(priv, base); if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { IWL_ERROR("Start IWL Error Log Dump:\n"); @@ -4468,19 +4597,19 @@ static void iwl_dump_nic_error_log(struc for (i = ERROR_START_OFFSET; i < (count * ERROR_ELEM_SIZE) + ERROR_START_OFFSET; i += ERROR_ELEM_SIZE) { - desc = iwl_read_restricted_mem(priv, base + i); + desc = iwl3945_read_targ_mem(priv, base + i); time = - iwl_read_restricted_mem(priv, base + i + 1 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 1 * sizeof(u32)); blink1 = - iwl_read_restricted_mem(priv, base + i + 2 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 2 * sizeof(u32)); blink2 = - iwl_read_restricted_mem(priv, base + i + 3 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 3 * sizeof(u32)); ilink1 = - iwl_read_restricted_mem(priv, base + i + 4 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 4 * sizeof(u32)); ilink2 = - iwl_read_restricted_mem(priv, base + i + 5 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 5 * sizeof(u32)); data1 = - iwl_read_restricted_mem(priv, base + i + 6 * sizeof(u32)); + iwl3945_read_targ_mem(priv, base + i + 6 * sizeof(u32)); IWL_ERROR ("%-13s (#%d) %010u 0x%05X 0x%05X 0x%05X 0x%05X %u\n\n", @@ -4488,18 +4617,18 @@ static void iwl_dump_nic_error_log(struc ilink1, ilink2, data1); } - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } -#define EVENT_START_OFFSET (4 * sizeof(u32)) +#define EVENT_START_OFFSET (6 * sizeof(u32)) /** - * iwl_print_event_log - Dump error event log to syslog + * iwl3945_print_event_log - Dump error event log to syslog * - * NOTE: Must be called with iwl_grab_restricted_access() already obtained! + * NOTE: Must be called with iwl3945_grab_nic_access() already obtained! */ -static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, +static void iwl3945_print_event_log(struct iwl3945_priv *priv, u32 start_idx, u32 num_events, u32 mode) { u32 i; @@ -4523,21 +4652,21 @@ static void iwl_print_event_log(struct i /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read_restricted_mem(priv, ptr); + ev = iwl3945_read_targ_mem(priv, ptr); ptr += sizeof(u32); - time = iwl_read_restricted_mem(priv, ptr); + time = iwl3945_read_targ_mem(priv, ptr); ptr += sizeof(u32); if (mode == 0) IWL_ERROR("0x%08x\t%04u\n", time, ev); /* data, ev */ else { - data = iwl_read_restricted_mem(priv, ptr); + data = iwl3945_read_targ_mem(priv, ptr); ptr += sizeof(u32); IWL_ERROR("%010u\t0x%08x\t%04u\n", time, data, ev); } } } -static void iwl_dump_nic_event_log(struct iwl_priv *priv) +static void iwl3945_dump_nic_event_log(struct iwl3945_priv *priv) { int rc; u32 base; /* SRAM byte address of event log header */ @@ -4548,63 +4677,63 @@ static void iwl_dump_nic_event_log(struc u32 size; /* # entries that we'll print */ base = le32_to_cpu(priv->card_alive.log_event_table_ptr); - if (!iwl_hw_valid_rtc_data_addr(base)) { + if (!iwl3945_hw_valid_rtc_data_addr(base)) { IWL_ERROR("Invalid event log pointer 0x%08X\n", base); return; } - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) { IWL_WARNING("Can not read from adapter at this time.\n"); return; } /* event log header */ - capacity = iwl_read_restricted_mem(priv, base); - mode = iwl_read_restricted_mem(priv, base + (1 * sizeof(u32))); - num_wraps = iwl_read_restricted_mem(priv, base + (2 * sizeof(u32))); - next_entry = iwl_read_restricted_mem(priv, base + (3 * sizeof(u32))); + capacity = iwl3945_read_targ_mem(priv, base); + mode = iwl3945_read_targ_mem(priv, base + (1 * sizeof(u32))); + num_wraps = iwl3945_read_targ_mem(priv, base + (2 * sizeof(u32))); + next_entry = iwl3945_read_targ_mem(priv, base + (3 * sizeof(u32))); size = num_wraps ? capacity : next_entry; /* bail out if nothing in log */ if (size == 0) { - IWL_ERROR("Start IPW Event Log Dump: nothing in log\n"); - iwl_release_restricted_access(priv); + IWL_ERROR("Start IWL Event Log Dump: nothing in log\n"); + iwl3945_release_nic_access(priv); return; } - IWL_ERROR("Start IPW Event Log Dump: display count %d, wraps %d\n", + IWL_ERROR("Start IWL Event Log Dump: display count %d, wraps %d\n", size, num_wraps); /* if uCode has wrapped back to top of log, start at the oldest entry, * i.e the next one that uCode would fill. */ if (num_wraps) - iwl_print_event_log(priv, next_entry, + iwl3945_print_event_log(priv, next_entry, capacity - next_entry, mode); /* (then/else) start at top of log */ - iwl_print_event_log(priv, 0, next_entry, mode); + iwl3945_print_event_log(priv, 0, next_entry, mode); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } /** - * iwl_irq_handle_error - called for HW or SW error interrupt from card + * iwl3945_irq_handle_error - called for HW or SW error interrupt from card */ -static void iwl_irq_handle_error(struct iwl_priv *priv) +static void iwl3945_irq_handle_error(struct iwl3945_priv *priv) { - /* Set the FW error flag -- cleared on iwl_down */ + /* Set the FW error flag -- cleared on iwl3945_down */ set_bit(STATUS_FW_ERROR, &priv->status); /* Cancel currently queued command. */ clear_bit(STATUS_HCMD_ACTIVE, &priv->status); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_debug_level & IWL_DL_FW_ERRORS) { - iwl_dump_nic_error_log(priv); - iwl_dump_nic_event_log(priv); - iwl_print_rx_config_cmd(&priv->staging_rxon); +#ifdef CONFIG_IWL3945_DEBUG + if (iwl3945_debug_level & IWL_DL_FW_ERRORS) { + iwl3945_dump_nic_error_log(priv); + iwl3945_dump_nic_event_log(priv); + iwl3945_print_rx_config_cmd(&priv->staging_rxon); } #endif @@ -4618,7 +4747,7 @@ static void iwl_irq_handle_error(struct IWL_DEBUG(IWL_DL_INFO | IWL_DL_FW_ERRORS, "Restarting adapter due to uCode error.\n"); - if (iwl_is_associated(priv)) { + if (iwl3945_is_associated(priv)) { memcpy(&priv->recovery_rxon, &priv->active_rxon, sizeof(priv->recovery_rxon)); priv->error_recovering = 1; @@ -4627,16 +4756,16 @@ static void iwl_irq_handle_error(struct } } -static void iwl_error_recovery(struct iwl_priv *priv) +static void iwl3945_error_recovery(struct iwl3945_priv *priv) { unsigned long flags; memcpy(&priv->staging_rxon, &priv->recovery_rxon, sizeof(priv->staging_rxon)); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); - iwl_rxon_add_station(priv, priv->bssid, 1); + iwl3945_add_station(priv, priv->bssid, 1, 0); spin_lock_irqsave(&priv->lock, flags); priv->assoc_id = le16_to_cpu(priv->staging_rxon.assoc_id); @@ -4644,12 +4773,12 @@ static void iwl_error_recovery(struct iw spin_unlock_irqrestore(&priv->lock, flags); } -static void iwl_irq_tasklet(struct iwl_priv *priv) +static void iwl3945_irq_tasklet(struct iwl3945_priv *priv) { u32 inta, handled = 0; u32 inta_fh; unsigned long flags; -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG u32 inta_mask; #endif @@ -4658,18 +4787,19 @@ static void iwl_irq_tasklet(struct iwl_p /* Ack/clear/reset pending uCode interrupts. * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS, * and will clear only when CSR_FH_INT_STATUS gets cleared. */ - inta = iwl_read32(priv, CSR_INT); - iwl_write32(priv, CSR_INT, inta); + inta = iwl3945_read32(priv, CSR_INT); + iwl3945_write32(priv, CSR_INT, inta); /* Ack/clear/reset pending flow-handler (DMA) interrupts. * Any new interrupts that happen after this, either while we're * in this tasklet, or later, will show up in next ISR/tasklet. */ - inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); - iwl_write32(priv, CSR_FH_INT_STATUS, inta_fh); + inta_fh = iwl3945_read32(priv, CSR_FH_INT_STATUS); + iwl3945_write32(priv, CSR_FH_INT_STATUS, inta_fh); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_debug_level & IWL_DL_ISR) { - inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ +#ifdef CONFIG_IWL3945_DEBUG + if (iwl3945_debug_level & IWL_DL_ISR) { + /* just for debug */ + inta_mask = iwl3945_read32(priv, CSR_INT_MASK); IWL_DEBUG_ISR("inta 0x%08x, enabled 0x%08x, fh 0x%08x\n", inta, inta_mask, inta_fh); } @@ -4689,9 +4819,9 @@ static void iwl_irq_tasklet(struct iwl_p IWL_ERROR("Microcode HW error detected. Restarting.\n"); /* Tell the device to stop sending interrupts */ - iwl_disable_interrupts(priv); + iwl3945_disable_interrupts(priv); - iwl_irq_handle_error(priv); + iwl3945_irq_handle_error(priv); handled |= CSR_INT_BIT_HW_ERR; @@ -4700,8 +4830,8 @@ static void iwl_irq_tasklet(struct iwl_p return; } -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_debug_level & (IWL_DL_ISR)) { +#ifdef CONFIG_IWL3945_DEBUG + if (iwl3945_debug_level & (IWL_DL_ISR)) { /* NIC fires this, but we don't use it, redundant with WAKEUP */ if (inta & CSR_INT_BIT_MAC_CLK_ACTV) IWL_DEBUG_ISR("Microcode started or stopped.\n"); @@ -4717,7 +4847,7 @@ static void iwl_irq_tasklet(struct iwl_p /* HW RF KILL switch toggled (4965 only) */ if (inta & CSR_INT_BIT_RF_KILL) { int hw_rf_kill = 0; - if (!(iwl_read32(priv, CSR_GP_CNTRL) & + if (!(iwl3945_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) hw_rf_kill = 1; @@ -4728,7 +4858,7 @@ static void iwl_irq_tasklet(struct iwl_p /* Queue restart only if RF_KILL switch was set to "kill" * when we loaded driver, and is now set to "enable". * After we're Alive, RF_KILL gets handled by - * iwl_rx_card_state_notif() */ + * iwl3945_rx_card_state_notif() */ if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) queue_work(priv->workqueue, &priv->restart); @@ -4745,20 +4875,20 @@ static void iwl_irq_tasklet(struct iwl_p if (inta & CSR_INT_BIT_SW_ERR) { IWL_ERROR("Microcode SW error detected. Restarting 0x%X.\n", inta); - iwl_irq_handle_error(priv); + iwl3945_irq_handle_error(priv); handled |= CSR_INT_BIT_SW_ERR; } /* uCode wakes up after power-down sleep */ if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR("Wakeup interrupt\n"); - iwl_rx_queue_update_write_ptr(priv, &priv->rxq); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[0]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[1]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[2]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[3]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[4]); - iwl_tx_queue_update_write_ptr(priv, &priv->txq[5]); + iwl3945_rx_queue_update_write_ptr(priv, &priv->rxq); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[0]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[1]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[2]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[3]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[4]); + iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[5]); handled |= CSR_INT_BIT_WAKEUP; } @@ -4767,19 +4897,19 @@ static void iwl_irq_tasklet(struct iwl_p * Rx "responses" (frame-received notification), and other * notifications from uCode come through here*/ if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) { - iwl_rx_handle(priv); + iwl3945_rx_handle(priv); handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); } if (inta & CSR_INT_BIT_FH_TX) { IWL_DEBUG_ISR("Tx interrupt\n"); - iwl_write32(priv, CSR_FH_INT_STATUS, (1 << 6)); - if (!iwl_grab_restricted_access(priv)) { - iwl_write_restricted(priv, + iwl3945_write32(priv, CSR_FH_INT_STATUS, (1 << 6)); + if (!iwl3945_grab_nic_access(priv)) { + iwl3945_write_direct32(priv, FH_TCSR_CREDIT (ALM_FH_SRVC_CHNL), 0x0); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } handled |= CSR_INT_BIT_FH_TX; } @@ -4794,13 +4924,13 @@ static void iwl_irq_tasklet(struct iwl_p } /* Re-enable all interrupts */ - iwl_enable_interrupts(priv); + iwl3945_enable_interrupts(priv); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_debug_level & (IWL_DL_ISR)) { - inta = iwl_read32(priv, CSR_INT); - inta_mask = iwl_read32(priv, CSR_INT_MASK); - inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); +#ifdef CONFIG_IWL3945_DEBUG + if (iwl3945_debug_level & (IWL_DL_ISR)) { + inta = iwl3945_read32(priv, CSR_INT); + inta_mask = iwl3945_read32(priv, CSR_INT_MASK); + inta_fh = iwl3945_read32(priv, CSR_FH_INT_STATUS); IWL_DEBUG_ISR("End inta 0x%08x, enabled 0x%08x, fh 0x%08x, " "flags 0x%08lx\n", inta, inta_mask, inta_fh, flags); } @@ -4808,9 +4938,9 @@ static void iwl_irq_tasklet(struct iwl_p spin_unlock_irqrestore(&priv->lock, flags); } -static irqreturn_t iwl_isr(int irq, void *data, struct pt_regs *regs) +static irqreturn_t iwl3945_isr(int irq, void *data, struct pt_regs *regs) { - struct iwl_priv *priv = data; + struct iwl3945_priv *priv = data; u32 inta, inta_mask; u32 inta_fh; if (!priv) @@ -4822,12 +4952,12 @@ static irqreturn_t iwl_isr(int irq, void * back-to-back ISRs and sporadic interrupts from our NIC. * If we have something to service, the tasklet will re-enable ints. * If we *don't* have something, we'll re-enable before leaving here. */ - inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); + inta_mask = iwl3945_read32(priv, CSR_INT_MASK); /* just for debug */ + iwl3945_write32(priv, CSR_INT_MASK, 0x00000000); /* Discover which interrupts are active/pending */ - inta = iwl_read32(priv, CSR_INT); - inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); + inta = iwl3945_read32(priv, CSR_INT); + inta_fh = iwl3945_read32(priv, CSR_FH_INT_STATUS); /* Ignore interrupt if there's nothing in NIC to service. * This may be due to IRQ shared with another device, @@ -4840,32 +4970,33 @@ static irqreturn_t iwl_isr(int irq, void if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) { /* Hardware disappeared */ IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta); - goto none; + goto unplugged; } IWL_DEBUG_ISR("ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n", inta, inta_mask, inta_fh); - /* iwl_irq_tasklet() will service interrupts and re-enable them */ + /* iwl3945_irq_tasklet() will service interrupts and re-enable them */ tasklet_schedule(&priv->irq_tasklet); +unplugged: spin_unlock(&priv->lock); return IRQ_HANDLED; none: /* re-enable interrupts here since we don't have anything to service. */ - iwl_enable_interrupts(priv); + iwl3945_enable_interrupts(priv); spin_unlock(&priv->lock); return IRQ_NONE; } /************************** EEPROM BANDS **************************** * - * The iwl_eeprom_band definitions below provide the mapping from the + * The iwl3945_eeprom_band definitions below provide the mapping from the * EEPROM contents to the specific channel number supported for each * band. * - * For example, iwl_priv->eeprom.band_3_channels[4] from the band_3 + * For example, iwl3945_priv->eeprom.band_3_channels[4] from the band_3 * definition below maps to physical channel 42 in the 5.2GHz spectrum. * The specific geography and calibration information for that channel * is contained in the eeprom map itself. @@ -4891,58 +5022,58 @@ static irqreturn_t iwl_isr(int irq, void *********************************************************************/ /* 2.4 GHz */ -static const u8 iwl_eeprom_band_1[14] = { +static const u8 iwl3945_eeprom_band_1[14] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 }; /* 5.2 GHz bands */ -static const u8 iwl_eeprom_band_2[] = { +static const u8 iwl3945_eeprom_band_2[] = { /* 4915-5080MHz */ 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 }; -static const u8 iwl_eeprom_band_3[] = { /* 5205-5320MHz */ +static const u8 iwl3945_eeprom_band_3[] = { /* 5170-5320MHz */ 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 }; -static const u8 iwl_eeprom_band_4[] = { /* 5500-5700MHz */ +static const u8 iwl3945_eeprom_band_4[] = { /* 5500-5700MHz */ 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 }; -static const u8 iwl_eeprom_band_5[] = { /* 5725-5825MHz */ +static const u8 iwl3945_eeprom_band_5[] = { /* 5725-5825MHz */ 145, 149, 153, 157, 161, 165 }; -static void iwl_init_band_reference(const struct iwl_priv *priv, int band, +static void iwl3945_init_band_reference(const struct iwl3945_priv *priv, int band, int *eeprom_ch_count, - const struct iwl_eeprom_channel + const struct iwl3945_eeprom_channel **eeprom_ch_info, const u8 **eeprom_ch_index) { switch (band) { case 1: /* 2.4GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_1); + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_1); *eeprom_ch_info = priv->eeprom.band_1_channels; - *eeprom_ch_index = iwl_eeprom_band_1; + *eeprom_ch_index = iwl3945_eeprom_band_1; break; - case 2: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_2); + case 2: /* 4.9GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_2); *eeprom_ch_info = priv->eeprom.band_2_channels; - *eeprom_ch_index = iwl_eeprom_band_2; + *eeprom_ch_index = iwl3945_eeprom_band_2; break; case 3: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_3); + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_3); *eeprom_ch_info = priv->eeprom.band_3_channels; - *eeprom_ch_index = iwl_eeprom_band_3; + *eeprom_ch_index = iwl3945_eeprom_band_3; break; - case 4: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_4); + case 4: /* 5.5GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_4); *eeprom_ch_info = priv->eeprom.band_4_channels; - *eeprom_ch_index = iwl_eeprom_band_4; + *eeprom_ch_index = iwl3945_eeprom_band_4; break; - case 5: /* 5.2GHz band */ - *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_5); + case 5: /* 5.7GHz band */ + *eeprom_ch_count = ARRAY_SIZE(iwl3945_eeprom_band_5); *eeprom_ch_info = priv->eeprom.band_5_channels; - *eeprom_ch_index = iwl_eeprom_band_5; + *eeprom_ch_index = iwl3945_eeprom_band_5; break; default: BUG(); @@ -4950,7 +5081,12 @@ static void iwl_init_band_reference(cons } } -const struct iwl_channel_info *iwl_get_channel_info(const struct iwl_priv *priv, +/** + * iwl3945_get_channel_info - Find driver's private channel info + * + * Based on band and channel number. + */ +const struct iwl3945_channel_info *iwl3945_get_channel_info(const struct iwl3945_priv *priv, int phymode, u16 channel) { int i; @@ -4977,13 +5113,16 @@ const struct iwl_channel_info *iwl_get_c #define CHECK_AND_PRINT(x) ((eeprom_ch_info[ch].flags & EEPROM_CHANNEL_##x) \ ? # x " " : "") -static int iwl_init_channel_map(struct iwl_priv *priv) +/** + * iwl3945_init_channel_map - Set up driver's info for all possible channels + */ +static int iwl3945_init_channel_map(struct iwl3945_priv *priv) { int eeprom_ch_count = 0; const u8 *eeprom_ch_index = NULL; - const struct iwl_eeprom_channel *eeprom_ch_info = NULL; + const struct iwl3945_eeprom_channel *eeprom_ch_info = NULL; int band, ch; - struct iwl_channel_info *ch_info; + struct iwl3945_channel_info *ch_info; if (priv->channel_count) { IWL_DEBUG_INFO("Channel map already initialized.\n"); @@ -4999,15 +5138,15 @@ static int iwl_init_channel_map(struct i IWL_DEBUG_INFO("Initializing regulatory info from EEPROM\n"); priv->channel_count = - ARRAY_SIZE(iwl_eeprom_band_1) + - ARRAY_SIZE(iwl_eeprom_band_2) + - ARRAY_SIZE(iwl_eeprom_band_3) + - ARRAY_SIZE(iwl_eeprom_band_4) + - ARRAY_SIZE(iwl_eeprom_band_5); + ARRAY_SIZE(iwl3945_eeprom_band_1) + + ARRAY_SIZE(iwl3945_eeprom_band_2) + + ARRAY_SIZE(iwl3945_eeprom_band_3) + + ARRAY_SIZE(iwl3945_eeprom_band_4) + + ARRAY_SIZE(iwl3945_eeprom_band_5); IWL_DEBUG_INFO("Parsing data for %d channels.\n", priv->channel_count); - priv->channel_info = kzalloc(sizeof(struct iwl_channel_info) * + priv->channel_info = kzalloc(sizeof(struct iwl3945_channel_info) * priv->channel_count, GFP_KERNEL); if (!priv->channel_info) { IWL_ERROR("Could not allocate channel_info\n"); @@ -5022,7 +5161,7 @@ static int iwl_init_channel_map(struct i * what just in the EEPROM) */ for (band = 1; band <= 5; band++) { - iwl_init_band_reference(priv, band, &eeprom_ch_count, + iwl3945_init_band_reference(priv, band, &eeprom_ch_count, &eeprom_ch_info, &eeprom_ch_index); /* Loop through each band adding each of the channels */ @@ -5086,6 +5225,7 @@ static int iwl_init_channel_map(struct i } } + /* Set up txpower settings in driver for all channels */ if (iwl3945_txpower_set_from_eeprom(priv)) return -EIO; @@ -5115,7 +5255,7 @@ static int iwl_init_channel_map(struct i #define IWL_PASSIVE_DWELL_BASE (100) #define IWL_CHANNEL_TUNE_TIME 5 -static inline u16 iwl_get_active_dwell_time(struct iwl_priv *priv, int phymode) +static inline u16 iwl3945_get_active_dwell_time(struct iwl3945_priv *priv, int phymode) { if (phymode == MODE_IEEE80211A) return IWL_ACTIVE_DWELL_TIME_52; @@ -5123,14 +5263,14 @@ static inline u16 iwl_get_active_dwell_t return IWL_ACTIVE_DWELL_TIME_24; } -static u16 iwl_get_passive_dwell_time(struct iwl_priv *priv, int phymode) +static u16 iwl3945_get_passive_dwell_time(struct iwl3945_priv *priv, int phymode) { - u16 active = iwl_get_active_dwell_time(priv, phymode); + u16 active = iwl3945_get_active_dwell_time(priv, phymode); u16 passive = (phymode != MODE_IEEE80211A) ? IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 : IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52; - if (iwl_is_associated(priv)) { + if (iwl3945_is_associated(priv)) { /* If we're associated, we clamp the maximum passive * dwell time to be 98% of the beacon interval (minus * 2 * channel tune time) */ @@ -5146,30 +5286,30 @@ static u16 iwl_get_passive_dwell_time(st return passive; } -static int iwl_get_channels_for_scan(struct iwl_priv *priv, int phymode, +static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv, int phymode, u8 is_active, u8 direct_mask, - struct iwl_scan_channel *scan_ch) + struct iwl3945_scan_channel *scan_ch) { const struct ieee80211_channel *channels = NULL; const struct ieee80211_hw_mode *hw_mode; - const struct iwl_channel_info *ch_info; + const struct iwl3945_channel_info *ch_info; u16 passive_dwell = 0; u16 active_dwell = 0; int added, i; - hw_mode = iwl_get_hw_mode(priv, phymode); + hw_mode = iwl3945_get_hw_mode(priv, phymode); if (!hw_mode) return 0; channels = hw_mode->channels; - active_dwell = iwl_get_active_dwell_time(priv, phymode); - passive_dwell = iwl_get_passive_dwell_time(priv, phymode); + active_dwell = iwl3945_get_active_dwell_time(priv, phymode); + passive_dwell = iwl3945_get_passive_dwell_time(priv, phymode); for (i = 0, added = 0; i < hw_mode->num_channels; i++) { if (channels[i].chan == le16_to_cpu(priv->active_rxon.channel)) { - if (iwl_is_associated(priv)) { + if (iwl3945_is_associated(priv)) { IWL_DEBUG_SCAN ("Skipping current channel %d\n", le16_to_cpu(priv->active_rxon.channel)); @@ -5180,7 +5320,7 @@ static int iwl_get_channels_for_scan(str scan_ch->channel = channels[i].chan; - ch_info = iwl_get_channel_info(priv, phymode, scan_ch->channel); + ch_info = iwl3945_get_channel_info(priv, phymode, scan_ch->channel); if (!is_channel_valid(ch_info)) { IWL_DEBUG_SCAN("Channel %d is INVALID for this SKU.\n", scan_ch->channel); @@ -5202,7 +5342,7 @@ static int iwl_get_channels_for_scan(str scan_ch->active_dwell = cpu_to_le16(active_dwell); scan_ch->passive_dwell = cpu_to_le16(passive_dwell); - /* Set power levels to defaults */ + /* Set txpower levels to defaults */ scan_ch->tpc.dsp_atten = 110; /* scan_pwr_info->tpc.dsp_atten; */ @@ -5212,8 +5352,8 @@ static int iwl_get_channels_for_scan(str else { scan_ch->tpc.tx_gain = ((1 << 5) | (5 << 3)); /* NOTE: if we were doing 6Mb OFDM for scans we'd use - * power level - scan_ch->tpc.tx_gain = ((1<<5) | (2 << 3)) | 3; + * power level: + * scan_ch->tpc.tx_gain = ((1<<5) | (2 << 3)) | 3; */ } @@ -5231,7 +5371,7 @@ static int iwl_get_channels_for_scan(str return added; } -static void iwl_reset_channel_flag(struct iwl_priv *priv) +static void iwl3945_reset_channel_flag(struct iwl3945_priv *priv) { int i, j; for (i = 0; i < 3; i++) { @@ -5241,13 +5381,13 @@ static void iwl_reset_channel_flag(struc } } -static void iwl_init_hw_rates(struct iwl_priv *priv, +static void iwl3945_init_hw_rates(struct iwl3945_priv *priv, struct ieee80211_rate *rates) { int i; for (i = 0; i < IWL_RATE_COUNT; i++) { - rates[i].rate = iwl_rates[i].ieee * 5; + rates[i].rate = iwl3945_rates[i].ieee * 5; rates[i].val = i; /* Rate scaling will work on indexes */ rates[i].val2 = i; rates[i].flags = IEEE80211_RATE_SUPPORTED; @@ -5259,7 +5399,7 @@ static void iwl_init_hw_rates(struct iwl * If CCK 1M then set rate flag to CCK else CCK_2 * which is CCK | PREAMBLE2 */ - rates[i].flags |= (iwl_rates[i].plcp == 10) ? + rates[i].flags |= (iwl3945_rates[i].plcp == 10) ? IEEE80211_RATE_CCK : IEEE80211_RATE_CCK_2; } @@ -5270,11 +5410,11 @@ static void iwl_init_hw_rates(struct iwl } /** - * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom + * iwl3945_init_geos - Initialize mac80211's geo/channel info based from eeprom */ -static int iwl_init_geos(struct iwl_priv *priv) +static int iwl3945_init_geos(struct iwl3945_priv *priv) { - struct iwl_channel_info *ch; + struct iwl3945_channel_info *ch; struct ieee80211_hw_mode *modes; struct ieee80211_channel *channels; struct ieee80211_channel *geo_ch; @@ -5320,14 +5460,14 @@ static int iwl_init_geos(struct iwl_priv /* 5.2GHz channels start after the 2.4GHz channels */ modes[A].mode = MODE_IEEE80211A; - modes[A].channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; - modes[A].rates = rates; + modes[A].channels = &channels[ARRAY_SIZE(iwl3945_eeprom_band_1)]; + modes[A].rates = &rates[4]; modes[A].num_rates = 8; /* just OFDM */ modes[A].num_channels = 0; modes[B].mode = MODE_IEEE80211B; modes[B].channels = channels; - modes[B].rates = &rates[8]; + modes[B].rates = rates; modes[B].num_rates = 4; /* just CCK */ modes[B].num_channels = 0; @@ -5340,7 +5480,7 @@ static int iwl_init_geos(struct iwl_priv priv->ieee_channels = channels; priv->ieee_rates = rates; - iwl_init_hw_rates(priv, rates); + iwl3945_init_hw_rates(priv, rates); for (i = 0, geo_ch = channels; i < priv->channel_count; i++) { ch = &priv->channel_info[i]; @@ -5423,7 +5563,7 @@ static int iwl_init_geos(struct iwl_priv * ******************************************************************************/ -static void iwl_dealloc_ucode_pci(struct iwl_priv *priv) +static void iwl3945_dealloc_ucode_pci(struct iwl3945_priv *priv) { if (priv->ucode_code.v_addr != NULL) { pci_free_consistent(priv->pci_dev, @@ -5470,10 +5610,10 @@ static void iwl_dealloc_ucode_pci(struct } /** - * iwl_verify_inst_full - verify runtime uCode image in card vs. host, + * iwl3945_verify_inst_full - verify runtime uCode image in card vs. host, * looking at all data. */ -static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 * image, u32 len) +static int iwl3945_verify_inst_full(struct iwl3945_priv *priv, __le32 * image, u32 len) { u32 val; u32 save_len = len; @@ -5482,18 +5622,18 @@ static int iwl_verify_inst_full(struct i IWL_DEBUG_INFO("ucode inst image size is %u\n", len); - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) return rc; - iwl_write_restricted(priv, HBUS_TARG_MEM_RADDR, RTC_INST_LOWER_BOUND); + iwl3945_write_direct32(priv, HBUS_TARG_MEM_RADDR, RTC_INST_LOWER_BOUND); errcnt = 0; for (; len > 0; len -= sizeof(u32), image++) { /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - val = _iwl_read_restricted(priv, HBUS_TARG_MEM_RDAT); + val = _iwl3945_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { IWL_ERROR("uCode INST section is invalid at " "offset 0x%x, is 0x%x, s/b 0x%x\n", @@ -5505,22 +5645,21 @@ static int iwl_verify_inst_full(struct i } } - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); if (!errcnt) - IWL_DEBUG_INFO - ("ucode image in INSTRUCTION memory is good\n"); + IWL_DEBUG_INFO("ucode image in INSTRUCTION memory is good\n"); return rc; } /** - * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host, + * iwl3945_verify_inst_sparse - verify runtime uCode image in card vs. host, * using sample data 100 bytes apart. If these sample points are good, * it's a pretty good bet that everything between them is good, too. */ -static int iwl_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len) +static int iwl3945_verify_inst_sparse(struct iwl3945_priv *priv, __le32 *image, u32 len) { u32 val; int rc = 0; @@ -5529,7 +5668,7 @@ static int iwl_verify_inst_sparse(struct IWL_DEBUG_INFO("ucode inst image size is %u\n", len); - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) return rc; @@ -5537,9 +5676,9 @@ static int iwl_verify_inst_sparse(struct /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - iwl_write_restricted(priv, HBUS_TARG_MEM_RADDR, + iwl3945_write_direct32(priv, HBUS_TARG_MEM_RADDR, i + RTC_INST_LOWER_BOUND); - val = _iwl_read_restricted(priv, HBUS_TARG_MEM_RDAT); + val = _iwl3945_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { #if 0 /* Enable this if you want to see details */ IWL_ERROR("uCode INST section is invalid at " @@ -5553,17 +5692,17 @@ static int iwl_verify_inst_sparse(struct } } - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); return rc; } /** - * iwl_verify_ucode - determine which instruction image is in SRAM, + * iwl3945_verify_ucode - determine which instruction image is in SRAM, * and verify its contents */ -static int iwl_verify_ucode(struct iwl_priv *priv) +static int iwl3945_verify_ucode(struct iwl3945_priv *priv) { __le32 *image; u32 len; @@ -5572,7 +5711,7 @@ static int iwl_verify_ucode(struct iwl_p /* Try bootstrap */ image = (__le32 *)priv->ucode_boot.v_addr; len = priv->ucode_boot.len; - rc = iwl_verify_inst_sparse(priv, image, len); + rc = iwl3945_verify_inst_sparse(priv, image, len); if (rc == 0) { IWL_DEBUG_INFO("Bootstrap uCode is good in inst SRAM\n"); return 0; @@ -5581,7 +5720,7 @@ static int iwl_verify_ucode(struct iwl_p /* Try initialize */ image = (__le32 *)priv->ucode_init.v_addr; len = priv->ucode_init.len; - rc = iwl_verify_inst_sparse(priv, image, len); + rc = iwl3945_verify_inst_sparse(priv, image, len); if (rc == 0) { IWL_DEBUG_INFO("Initialize uCode is good in inst SRAM\n"); return 0; @@ -5590,7 +5729,7 @@ static int iwl_verify_ucode(struct iwl_p /* Try runtime/protocol */ image = (__le32 *)priv->ucode_code.v_addr; len = priv->ucode_code.len; - rc = iwl_verify_inst_sparse(priv, image, len); + rc = iwl3945_verify_inst_sparse(priv, image, len); if (rc == 0) { IWL_DEBUG_INFO("Runtime uCode is good in inst SRAM\n"); return 0; @@ -5598,18 +5737,19 @@ static int iwl_verify_ucode(struct iwl_p IWL_ERROR("NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n"); - /* Show first several data entries in instruction SRAM. - * Selection of bootstrap image is arbitrary. */ + /* Since nothing seems to match, show first several data entries in + * instruction SRAM, so maybe visual inspection will give a clue. + * Selection of bootstrap image (vs. other images) is arbitrary. */ image = (__le32 *)priv->ucode_boot.v_addr; len = priv->ucode_boot.len; - rc = iwl_verify_inst_full(priv, image, len); + rc = iwl3945_verify_inst_full(priv, image, len); return rc; } /* check contents of special bootstrap uCode SRAM */ -static int iwl_verify_bsm(struct iwl_priv *priv) +static int iwl3945_verify_bsm(struct iwl3945_priv *priv) { __le32 *image = priv->ucode_boot.v_addr; u32 len = priv->ucode_boot.len; @@ -5619,11 +5759,11 @@ static int iwl_verify_bsm(struct iwl_pri IWL_DEBUG_INFO("Begin verify bsm\n"); /* verify BSM SRAM contents */ - val = iwl_read_restricted_reg(priv, BSM_WR_DWCOUNT_REG); + val = iwl3945_read_prph(priv, BSM_WR_DWCOUNT_REG); for (reg = BSM_SRAM_LOWER_BOUND; reg < BSM_SRAM_LOWER_BOUND + len; reg += sizeof(u32), image ++) { - val = iwl_read_restricted_reg(priv, reg); + val = iwl3945_read_prph(priv, reg); if (val != le32_to_cpu(*image)) { IWL_ERROR("BSM uCode verification failed at " "addr 0x%08X+%u (of %u), is 0x%x, s/b 0x%x\n", @@ -5640,7 +5780,7 @@ static int iwl_verify_bsm(struct iwl_pri } /** - * iwl_load_bsm - Load bootstrap instructions + * iwl3945_load_bsm - Load bootstrap instructions * * BSM operation: * @@ -5671,7 +5811,7 @@ static int iwl_verify_bsm(struct iwl_pri * the runtime uCode instructions and the backup data cache into SRAM, * and re-launches the runtime uCode from where it left off. */ -static int iwl_load_bsm(struct iwl_priv *priv) +static int iwl3945_load_bsm(struct iwl3945_priv *priv) { __le32 *image = priv->ucode_boot.v_addr; u32 len = priv->ucode_boot.len; @@ -5691,8 +5831,8 @@ static int iwl_load_bsm(struct iwl_priv return -EINVAL; /* Tell bootstrap uCode where to find the "Initialize" uCode - * in host DRAM ... bits 31:0 for 3945, bits 35:4 for 4965. - * NOTE: iwl_initialize_alive_start() will replace these values, + * in host DRAM ... host DRAM physical address bits 31:0 for 3945. + * NOTE: iwl3945_initialize_alive_start() will replace these values, * after the "initialize" uCode has run, to point to * runtime/protocol instructions and backup data cache. */ pinst = priv->ucode_init.p_addr; @@ -5700,42 +5840,42 @@ static int iwl_load_bsm(struct iwl_priv inst_len = priv->ucode_init.len; data_len = priv->ucode_init_data.len; - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) return rc; - iwl_write_restricted_reg(priv, BSM_DRAM_INST_PTR_REG, pinst); - iwl_write_restricted_reg(priv, BSM_DRAM_DATA_PTR_REG, pdata); - iwl_write_restricted_reg(priv, BSM_DRAM_INST_BYTECOUNT_REG, inst_len); - iwl_write_restricted_reg(priv, BSM_DRAM_DATA_BYTECOUNT_REG, data_len); + iwl3945_write_prph(priv, BSM_DRAM_INST_PTR_REG, pinst); + iwl3945_write_prph(priv, BSM_DRAM_DATA_PTR_REG, pdata); + iwl3945_write_prph(priv, BSM_DRAM_INST_BYTECOUNT_REG, inst_len); + iwl3945_write_prph(priv, BSM_DRAM_DATA_BYTECOUNT_REG, data_len); /* Fill BSM memory with bootstrap instructions */ for (reg_offset = BSM_SRAM_LOWER_BOUND; reg_offset < BSM_SRAM_LOWER_BOUND + len; reg_offset += sizeof(u32), image++) - _iwl_write_restricted_reg(priv, reg_offset, + _iwl3945_write_prph(priv, reg_offset, le32_to_cpu(*image)); - rc = iwl_verify_bsm(priv); + rc = iwl3945_verify_bsm(priv); if (rc) { - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); return rc; } /* Tell BSM to copy from BSM SRAM into instruction SRAM, when asked */ - iwl_write_restricted_reg(priv, BSM_WR_MEM_SRC_REG, 0x0); - iwl_write_restricted_reg(priv, BSM_WR_MEM_DST_REG, + iwl3945_write_prph(priv, BSM_WR_MEM_SRC_REG, 0x0); + iwl3945_write_prph(priv, BSM_WR_MEM_DST_REG, RTC_INST_LOWER_BOUND); - iwl_write_restricted_reg(priv, BSM_WR_DWCOUNT_REG, len / sizeof(u32)); + iwl3945_write_prph(priv, BSM_WR_DWCOUNT_REG, len / sizeof(u32)); /* Load bootstrap code into instruction SRAM now, * to prepare to load "initialize" uCode */ - iwl_write_restricted_reg(priv, BSM_WR_CTRL_REG, + iwl3945_write_prph(priv, BSM_WR_CTRL_REG, BSM_WR_CTRL_REG_BIT_START); /* Wait for load of bootstrap uCode to finish */ for (i = 0; i < 100; i++) { - done = iwl_read_restricted_reg(priv, BSM_WR_CTRL_REG); + done = iwl3945_read_prph(priv, BSM_WR_CTRL_REG); if (!(done & BSM_WR_CTRL_REG_BIT_START)) break; udelay(10); @@ -5749,29 +5889,35 @@ static int iwl_load_bsm(struct iwl_priv /* Enable future boot loads whenever power management unit triggers it * (e.g. when powering back up after power-save shutdown) */ - iwl_write_restricted_reg(priv, BSM_WR_CTRL_REG, + iwl3945_write_prph(priv, BSM_WR_CTRL_REG, BSM_WR_CTRL_REG_BIT_START_EN); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); return 0; } -static void iwl_nic_start(struct iwl_priv *priv) +static void iwl3945_nic_start(struct iwl3945_priv *priv) { /* Remove all resets to allow NIC to operate */ - iwl_write32(priv, CSR_RESET, 0); + iwl3945_write32(priv, CSR_RESET, 0); +} + +static int iwl3945_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) +{ + desc->v_addr = pci_alloc_consistent(pci_dev, desc->len, &desc->p_addr); + return (desc->v_addr != NULL) ? 0 : -ENOMEM; } /** - * iwl_read_ucode - Read uCode images from disk file. + * iwl3945_read_ucode - Read uCode images from disk file. * * Copy into buffers for card to fetch via bus-mastering */ -static int iwl_read_ucode(struct iwl_priv *priv) +static int iwl3945_read_ucode(struct iwl3945_priv *priv) { - struct iwl_ucode *ucode; - int rc = 0; + struct iwl3945_ucode *ucode; + int ret = 0; const struct firmware *ucode_raw; /* firmware file name contains uCode/driver compatibility version */ const char *name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode"; @@ -5781,9 +5927,10 @@ static int iwl_read_ucode(struct iwl_pri /* Ask kernel firmware_class module to get the boot firmware off disk. * request_firmware() is synchronous, file is in memory on return. */ - rc = request_firmware(&ucode_raw, name, &priv->pci_dev->dev); - if (rc < 0) { - IWL_ERROR("%s firmware file req failed: Reason %d\n", name, rc); + ret = request_firmware(&ucode_raw, name, &priv->pci_dev->dev); + if (ret < 0) { + IWL_ERROR("%s firmware file req failed: Reason %d\n", + name, ret); goto error; } @@ -5793,7 +5940,7 @@ static int iwl_read_ucode(struct iwl_pri /* Make sure that we got at least our header! */ if (ucode_raw->size < sizeof(*ucode)) { IWL_ERROR("File size way too small!\n"); - rc = -EINVAL; + ret = -EINVAL; goto err_release; } @@ -5808,16 +5955,11 @@ static int iwl_read_ucode(struct iwl_pri boot_size = le32_to_cpu(ucode->boot_size); IWL_DEBUG_INFO("f/w package hdr ucode version = 0x%x\n", ver); - IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n", - inst_size); - IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n", - data_size); - IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n", - init_size); - IWL_DEBUG_INFO("f/w package hdr init data size = %u\n", - init_data_size); - IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n", - boot_size); + IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n", inst_size); + IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n", data_size); + IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n", init_size); + IWL_DEBUG_INFO("f/w package hdr init data size = %u\n", init_data_size); + IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n", boot_size); /* Verify size of file vs. image size info in file's header */ if (ucode_raw->size < sizeof(*ucode) + @@ -5826,43 +5968,40 @@ static int iwl_read_ucode(struct iwl_pri IWL_DEBUG_INFO("uCode file size %d too small\n", (int)ucode_raw->size); - rc = -EINVAL; + ret = -EINVAL; goto err_release; } /* Verify that uCode images will fit in card's SRAM */ if (inst_size > IWL_MAX_INST_SIZE) { - IWL_DEBUG_INFO("uCode instr len %d too large to fit in card\n", - (int)inst_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode instr len %d too large to fit in\n", + inst_size); + ret = -EINVAL; goto err_release; } if (data_size > IWL_MAX_DATA_SIZE) { - IWL_DEBUG_INFO("uCode data len %d too large to fit in card\n", - (int)data_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode data len %d too large to fit in\n", + data_size); + ret = -EINVAL; goto err_release; } if (init_size > IWL_MAX_INST_SIZE) { - IWL_DEBUG_INFO - ("uCode init instr len %d too large to fit in card\n", - (int)init_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode init instr len %d too large to fit in\n", + init_size); + ret = -EINVAL; goto err_release; } if (init_data_size > IWL_MAX_DATA_SIZE) { - IWL_DEBUG_INFO - ("uCode init data len %d too large to fit in card\n", - (int)init_data_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode init data len %d too large to fit in\n", + init_data_size); + ret = -EINVAL; goto err_release; } if (boot_size > IWL_MAX_BSM_SIZE) { - IWL_DEBUG_INFO - ("uCode boot instr len %d too large to fit in bsm\n", - (int)boot_size); - rc = -EINVAL; + IWL_DEBUG_INFO("uCode boot instr len %d too large to fit in\n", + boot_size); + ret = -EINVAL; goto err_release; } @@ -5872,66 +6011,54 @@ static int iwl_read_ucode(struct iwl_pri * 1) unmodified from disk * 2) backup cache for save/restore during power-downs */ priv->ucode_code.len = inst_size; - priv->ucode_code.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_code.len, - &(priv->ucode_code.p_addr)); + iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_code); priv->ucode_data.len = data_size; - priv->ucode_data.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_data.len, - &(priv->ucode_data.p_addr)); + iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_data); priv->ucode_data_backup.len = data_size; - priv->ucode_data_backup.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_data_backup.len, - &(priv->ucode_data_backup.p_addr)); + iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup); + if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr || + !priv->ucode_data_backup.v_addr) + goto err_pci_alloc; /* Initialization instructions and data */ - priv->ucode_init.len = init_size; - priv->ucode_init.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_init.len, - &(priv->ucode_init.p_addr)); - - priv->ucode_init_data.len = init_data_size; - priv->ucode_init_data.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_init_data.len, - &(priv->ucode_init_data.p_addr)); + if (init_size && init_data_size) { + priv->ucode_init.len = init_size; + iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_init); + + priv->ucode_init_data.len = init_data_size; + iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_init_data); + + if (!priv->ucode_init.v_addr || !priv->ucode_init_data.v_addr) + goto err_pci_alloc; + } /* Bootstrap (instructions only, no data) */ - priv->ucode_boot.len = boot_size; - priv->ucode_boot.v_addr = - pci_alloc_consistent(priv->pci_dev, - priv->ucode_boot.len, - &(priv->ucode_boot.p_addr)); + if (boot_size) { + priv->ucode_boot.len = boot_size; + iwl3945_alloc_fw_desc(priv->pci_dev, &priv->ucode_boot); - if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr || - !priv->ucode_init.v_addr || !priv->ucode_init_data.v_addr || - !priv->ucode_boot.v_addr || !priv->ucode_data_backup.v_addr) - goto err_pci_alloc; + if (!priv->ucode_boot.v_addr) + goto err_pci_alloc; + } /* Copy images into buffers for card's bus-master reads ... */ /* Runtime instructions (first block of data in file) */ src = &ucode->data[0]; len = priv->ucode_code.len; - IWL_DEBUG_INFO("Copying (but not loading) uCode instr len %d\n", - (int)len); + IWL_DEBUG_INFO("Copying (but not loading) uCode instr len %Zd\n", len); memcpy(priv->ucode_code.v_addr, src, len); IWL_DEBUG_INFO("uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n", priv->ucode_code.v_addr, (u32)priv->ucode_code.p_addr); /* Runtime data (2nd block) - * NOTE: Copy into backup buffer will be done in iwl_up() */ + * NOTE: Copy into backup buffer will be done in iwl3945_up() */ src = &ucode->data[inst_size]; len = priv->ucode_data.len; - IWL_DEBUG_INFO("Copying (but not loading) uCode data len %d\n", - (int)len); + IWL_DEBUG_INFO("Copying (but not loading) uCode data len %Zd\n", len); memcpy(priv->ucode_data.v_addr, src, len); memcpy(priv->ucode_data_backup.v_addr, src, len); @@ -5939,8 +6066,8 @@ static int iwl_read_ucode(struct iwl_pri if (init_size) { src = &ucode->data[inst_size + data_size]; len = priv->ucode_init.len; - IWL_DEBUG_INFO("Copying (but not loading) init instr len %d\n", - (int)len); + IWL_DEBUG_INFO("Copying (but not loading) init instr len %Zd\n", + len); memcpy(priv->ucode_init.v_addr, src, len); } @@ -5966,19 +6093,19 @@ static int iwl_read_ucode(struct iwl_pri err_pci_alloc: IWL_ERROR("failed to allocate pci memory\n"); - rc = -ENOMEM; - iwl_dealloc_ucode_pci(priv); + ret = -ENOMEM; + iwl3945_dealloc_ucode_pci(priv); err_release: release_firmware(ucode_raw); error: - return rc; + return ret; } /** - * iwl_set_ucode_ptrs - Set uCode address location + * iwl3945_set_ucode_ptrs - Set uCode address location * * Tell initialization uCode where to find runtime uCode. * @@ -5986,7 +6113,7 @@ static int iwl_read_ucode(struct iwl_pri * We need to replace them to load runtime uCode inst and data, * and to save runtime data when powering down. */ -static int iwl_set_ucode_ptrs(struct iwl_priv *priv) +static int iwl3945_set_ucode_ptrs(struct iwl3945_priv *priv) { dma_addr_t pinst; dma_addr_t pdata; @@ -5998,24 +6125,24 @@ static int iwl_set_ucode_ptrs(struct iwl pdata = priv->ucode_data_backup.p_addr; spin_lock_irqsave(&priv->lock, flags); - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) { spin_unlock_irqrestore(&priv->lock, flags); return rc; } /* Tell bootstrap uCode where to find image to load */ - iwl_write_restricted_reg(priv, BSM_DRAM_INST_PTR_REG, pinst); - iwl_write_restricted_reg(priv, BSM_DRAM_DATA_PTR_REG, pdata); - iwl_write_restricted_reg(priv, BSM_DRAM_DATA_BYTECOUNT_REG, + iwl3945_write_prph(priv, BSM_DRAM_INST_PTR_REG, pinst); + iwl3945_write_prph(priv, BSM_DRAM_DATA_PTR_REG, pdata); + iwl3945_write_prph(priv, BSM_DRAM_DATA_BYTECOUNT_REG, priv->ucode_data.len); /* Inst bytecount must be last to set up, bit 31 signals uCode * that all new ptr/size info is in place */ - iwl_write_restricted_reg(priv, BSM_DRAM_INST_BYTECOUNT_REG, + iwl3945_write_prph(priv, BSM_DRAM_INST_BYTECOUNT_REG, priv->ucode_code.len | BSM_DRAM_INST_LOAD); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); @@ -6025,17 +6152,13 @@ static int iwl_set_ucode_ptrs(struct iwl } /** - * iwl_init_alive_start - Called after REPLY_ALIVE notification receieved + * iwl3945_init_alive_start - Called after REPLY_ALIVE notification received * * Called after REPLY_ALIVE notification received from "initialize" uCode. * - * The 4965 "initialize" ALIVE reply contains calibration data for: - * Voltage, temperature, and MIMO tx gain correction, now stored in priv - * (3945 does not contain this data). - * * Tell "initialize" uCode to go ahead and load the runtime uCode. -*/ -static void iwl_init_alive_start(struct iwl_priv *priv) + */ +static void iwl3945_init_alive_start(struct iwl3945_priv *priv) { /* Check alive response for "valid" sign from uCode */ if (priv->card_alive_init.is_valid != UCODE_VALID_OK) { @@ -6048,7 +6171,7 @@ static void iwl_init_alive_start(struct /* Bootstrap uCode has loaded initialize uCode ... verify inst image. * This is a paranoid check, because we would not have gotten the * "initialize" alive if code weren't properly loaded. */ - if (iwl_verify_ucode(priv)) { + if (iwl3945_verify_ucode(priv)) { /* Runtime instruction load was bad; * take it all the way back down so we can try again */ IWL_DEBUG_INFO("Bad \"initialize\" uCode load.\n"); @@ -6059,7 +6182,7 @@ static void iwl_init_alive_start(struct * load and launch runtime uCode, which will send us another "Alive" * notification. */ IWL_DEBUG_INFO("Initialization Alive received.\n"); - if (iwl_set_ucode_ptrs(priv)) { + if (iwl3945_set_ucode_ptrs(priv)) { /* Runtime instruction load won't happen; * take it all the way back down so we can try again */ IWL_DEBUG_INFO("Couldn't set up uCode pointers.\n"); @@ -6073,11 +6196,11 @@ static void iwl_init_alive_start(struct /** - * iwl_alive_start - called after REPLY_ALIVE notification received + * iwl3945_alive_start - called after REPLY_ALIVE notification received * from protocol/runtime uCode (initialization uCode's - * Alive gets handled by iwl_init_alive_start()). + * Alive gets handled by iwl3945_init_alive_start()). */ -static void iwl_alive_start(struct iwl_priv *priv) +static void iwl3945_alive_start(struct iwl3945_priv *priv) { int rc = 0; int thermal_spin = 0; @@ -6095,30 +6218,30 @@ static void iwl_alive_start(struct iwl_p /* Initialize uCode has loaded Runtime uCode ... verify inst image. * This is a paranoid check, because we would not have gotten the * "runtime" alive if code weren't properly loaded. */ - if (iwl_verify_ucode(priv)) { + if (iwl3945_verify_ucode(priv)) { /* Runtime instruction load was bad; * take it all the way back down so we can try again */ IWL_DEBUG_INFO("Bad runtime uCode load.\n"); goto restart; } - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(priv); - rc = iwl_grab_restricted_access(priv); + rc = iwl3945_grab_nic_access(priv); if (rc) { IWL_WARNING("Can not read rfkill status from adapter\n"); return; } - rfkill = iwl_read_restricted_reg(priv, APMG_RFKILL_REG); + rfkill = iwl3945_read_prph(priv, APMG_RFKILL_REG); IWL_DEBUG_INFO("RFKILL status: 0x%x\n", rfkill); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); if (rfkill & 0x1) { clear_bit(STATUS_RF_KILL_HW, &priv->status); /* if rfkill is not on, then wait for thermal * sensor in adapter to kick in */ - while (iwl_hw_get_temperature(priv) == 0) { + while (iwl3945_hw_get_temperature(priv) == 0) { thermal_spin++; udelay(10); } @@ -6129,28 +6252,28 @@ static void iwl_alive_start(struct iwl_p } else set_bit(STATUS_RF_KILL_HW, &priv->status); - /* After the ALIVE response, we can process host commands */ + /* After the ALIVE response, we can send commands to 3945 uCode */ set_bit(STATUS_ALIVE, &priv->status); /* Clear out the uCode error bit if it is set */ clear_bit(STATUS_FW_ERROR, &priv->status); - rc = iwl_init_channel_map(priv); + rc = iwl3945_init_channel_map(priv); if (rc) { IWL_ERROR("initializing regulatory failed: %d\n", rc); return; } - iwl_init_geos(priv); + iwl3945_init_geos(priv); - if (iwl_is_rfkill(priv)) + if (iwl3945_is_rfkill(priv)) return; if (!priv->mac80211_registered) { /* Unlock so any user space entry points can call back into * the driver without a deadlock... */ mutex_unlock(&priv->mutex); - iwl_rate_control_register(priv->hw); + iwl3945_rate_control_register(priv->hw); rc = ieee80211_register_hw(priv->hw); priv->hw->conf.beacon_int = 100; mutex_lock(&priv->mutex); @@ -6163,33 +6286,33 @@ static void iwl_alive_start(struct iwl_p priv->mac80211_registered = 1; - iwl_reset_channel_flag(priv); + iwl3945_reset_channel_flag(priv); } else ieee80211_start_queues(priv->hw); priv->active_rate = priv->rates_mask; priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; - iwl_send_power_mode(priv, IWL_POWER_LEVEL(priv->power_mode)); + iwl3945_send_power_mode(priv, IWL_POWER_LEVEL(priv->power_mode)); - if (iwl_is_associated(priv)) { - struct iwl_rxon_cmd *active_rxon = - (struct iwl_rxon_cmd *)(&priv->active_rxon); + if (iwl3945_is_associated(priv)) { + struct iwl3945_rxon_cmd *active_rxon = + (struct iwl3945_rxon_cmd *)(&priv->active_rxon); memcpy(&priv->staging_rxon, &priv->active_rxon, sizeof(priv->staging_rxon)); active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; } else { /* Initialize our rx_config data */ - iwl_connection_init_rx_config(priv); + iwl3945_connection_init_rx_config(priv); memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); } - /* Configure BT coexistence */ - iwl_send_bt_config(priv); + /* Configure Bluetooth device coexistence support */ + iwl3945_send_bt_config(priv); /* Configure the adapter for unassociated operation */ - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); /* At this point, the NIC is initialized and operational */ priv->notif_missed_beacons = 0; @@ -6200,7 +6323,7 @@ static void iwl_alive_start(struct iwl_p IWL_DEBUG_INFO("ALIVE processing complete.\n"); if (priv->error_recovering) - iwl_error_recovery(priv); + iwl3945_error_recovery(priv); return; @@ -6208,9 +6331,9 @@ static void iwl_alive_start(struct iwl_p queue_work(priv->workqueue, &priv->restart); } -static void iwl_cancel_deferred_work(struct iwl_priv *priv); +static void iwl3945_cancel_deferred_work(struct iwl3945_priv *priv); -static void __iwl_down(struct iwl_priv *priv) +static void __iwl3945_down(struct iwl3945_priv *priv) { unsigned long flags; int exit_pending = test_bit(STATUS_EXIT_PENDING, &priv->status); @@ -6223,12 +6346,12 @@ static void __iwl_down(struct iwl_priv * if (!exit_pending) set_bit(STATUS_EXIT_PENDING, &priv->status); - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(priv); /* Unblock any waiting calls */ wake_up_interruptible_all(&priv->wait_command_queue); - iwl_cancel_deferred_work(priv); + iwl3945_cancel_deferred_work(priv); /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ @@ -6236,17 +6359,17 @@ static void __iwl_down(struct iwl_priv * clear_bit(STATUS_EXIT_PENDING, &priv->status); /* stop and reset the on-board processor */ - iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); + iwl3945_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); /* tell the device to stop sending interrupts */ - iwl_disable_interrupts(priv); + iwl3945_disable_interrupts(priv); if (priv->mac80211_registered) ieee80211_stop_queues(priv->hw); - /* If we have not previously called iwl_init() then + /* If we have not previously called iwl3945_init() then * clear all bits but the RF Kill and SUSPEND bits and return */ - if (!iwl_is_init(priv)) { + if (!iwl3945_is_init(priv)) { priv->status = test_bit(STATUS_RF_KILL_HW, &priv->status) << STATUS_RF_KILL_HW | test_bit(STATUS_RF_KILL_SW, &priv->status) << @@ -6268,48 +6391,49 @@ static void __iwl_down(struct iwl_priv * STATUS_FW_ERROR; spin_lock_irqsave(&priv->lock, flags); - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + iwl3945_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); spin_unlock_irqrestore(&priv->lock, flags); - iwl_hw_txq_ctx_stop(priv); - iwl_hw_rxq_stop(priv); + iwl3945_hw_txq_ctx_stop(priv); + iwl3945_hw_rxq_stop(priv); spin_lock_irqsave(&priv->lock, flags); - if (!iwl_grab_restricted_access(priv)) { - iwl_write_restricted_reg(priv, APMG_CLK_DIS_REG, + if (!iwl3945_grab_nic_access(priv)) { + iwl3945_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } spin_unlock_irqrestore(&priv->lock, flags); udelay(5); - iwl_hw_nic_stop_master(priv); - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - iwl_hw_nic_reset(priv); + iwl3945_hw_nic_stop_master(priv); + iwl3945_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + iwl3945_hw_nic_reset(priv); exit: - memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp)); + memset(&priv->card_alive, 0, sizeof(struct iwl3945_alive_resp)); if (priv->ibss_beacon) dev_kfree_skb(priv->ibss_beacon); priv->ibss_beacon = NULL; /* clear out any free frames */ - iwl_clear_free_frames(priv); + iwl3945_clear_free_frames(priv); } -static void iwl_down(struct iwl_priv *priv) +static void iwl3945_down(struct iwl3945_priv *priv) { mutex_lock(&priv->mutex); - __iwl_down(priv); + __iwl3945_down(priv); mutex_unlock(&priv->mutex); } #define MAX_HW_RESTARTS 5 -static int __iwl_up(struct iwl_priv *priv) +static int __iwl3945_up(struct iwl3945_priv *priv) { + DECLARE_MAC_BUF(mac); int rc, i; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { @@ -6323,26 +6447,26 @@ static int __iwl_up(struct iwl_priv *pri return 0; } - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); + iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF); - rc = iwl_hw_nic_init(priv); + rc = iwl3945_hw_nic_init(priv); if (rc) { IWL_ERROR("Unable to int nic\n"); return rc; } /* make sure rfkill handshake bits are cleared */ - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); /* clear (again), then enable host interrupts */ - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); - iwl_enable_interrupts(priv); + iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF); + iwl3945_enable_interrupts(priv); /* really make sure rfkill handshake bits are cleared */ - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); /* Copy original ucode data image from disk into backup cache. * This will be used to initialize the on-board processor's @@ -6352,12 +6476,12 @@ static int __iwl_up(struct iwl_priv *pri for (i = 0; i < MAX_HW_RESTARTS; i++) { - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(priv); /* load bootstrap state machine, * load bootstrap program into processor's memory, * prepare to load the "initialize" uCode */ - rc = iwl_load_bsm(priv); + rc = iwl3945_load_bsm(priv); if (rc) { IWL_ERROR("Unable to set up bootstrap uCode: %d\n", rc); @@ -6365,12 +6489,12 @@ static int __iwl_up(struct iwl_priv *pri } /* start card; "initialize" will load runtime ucode */ - iwl_nic_start(priv); + iwl3945_nic_start(priv); - /* MAC Address location in EEPROM same for 3945/4965 */ + /* MAC Address location in EEPROM is same for 3945/4965 */ get_eeprom_mac(priv, priv->mac_addr); - IWL_DEBUG_INFO("MAC address: " MAC_FMT "\n", - MAC_ARG(priv->mac_addr)); + IWL_DEBUG_INFO("MAC address: %s\n", + print_mac(mac, priv->mac_addr)); SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); @@ -6380,7 +6504,7 @@ static int __iwl_up(struct iwl_priv *pri } set_bit(STATUS_EXIT_PENDING, &priv->status); - __iwl_down(priv); + __iwl3945_down(priv); /* tried to restart and config the device for as long as our * patience could withstand */ @@ -6395,33 +6519,33 @@ static int __iwl_up(struct iwl_priv *pri * *****************************************************************************/ -static void iwl_bg_init_alive_start(void *p) +static void iwl3945_bg_init_alive_start(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); - iwl_init_alive_start(priv); + iwl3945_init_alive_start(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_alive_start(void *p) +static void iwl3945_bg_alive_start(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); - iwl_alive_start(priv); + iwl3945_alive_start(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_rf_kill(void *p) +static void iwl3945_bg_rf_kill(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; wake_up_interruptible(&priv->wait_command_queue); @@ -6430,7 +6554,7 @@ static void iwl_bg_rf_kill(void *p) mutex_lock(&priv->mutex); - if (!iwl_is_rfkill(priv)) { + if (!iwl3945_is_rfkill(priv)) { IWL_DEBUG(IWL_DL_INFO | IWL_DL_RF_KILL, "HW and/or SW RF Kill no longer active, restarting " "device\n"); @@ -6451,9 +6575,9 @@ static void iwl_bg_rf_kill(void *p) #define IWL_SCAN_CHECK_WATCHDOG (7 * HZ) -static void iwl_bg_scan_check(void *p) +static void iwl3945_bg_scan_check(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; @@ -6464,23 +6588,23 @@ static void iwl_bg_scan_check(void *p) IWL_DEBUG(IWL_DL_INFO | IWL_DL_SCAN, "Scan completion watchdog resetting adapter (%dms)\n", jiffies_to_msecs(IWL_SCAN_CHECK_WATCHDOG)); + if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) - queue_work(priv->workqueue, &priv->restart); + iwl3945_send_scan_abort(priv); } mutex_unlock(&priv->mutex); } -static void iwl_bg_request_scan(void *p) +static void iwl3945_bg_request_scan(void *p) { - struct iwl_priv *priv = p; - - struct iwl_host_cmd cmd = { + struct iwl3945_priv *priv = p; + struct iwl3945_host_cmd cmd = { .id = REPLY_SCAN_CMD, - .len = sizeof(struct iwl_scan_cmd), + .len = sizeof(struct iwl3945_scan_cmd), .meta.flags = CMD_SIZE_HUGE, }; int rc = 0; - struct iwl_scan_cmd *scan; + struct iwl3945_scan_cmd *scan; struct ieee80211_conf *conf = NULL; u8 direct_mask; int phymode; @@ -6489,7 +6613,7 @@ static void iwl_bg_request_scan(void *p) mutex_lock(&priv->mutex); - if (!iwl_is_ready(priv)) { + if (!iwl3945_is_ready(priv)) { IWL_WARNING("request scan called when driver not ready.\n"); goto done; } @@ -6518,7 +6642,7 @@ static void iwl_bg_request_scan(void *p) goto done; } - if (iwl_is_rfkill(priv)) { + if (iwl3945_is_rfkill(priv)) { IWL_DEBUG_HC("Aborting scan due to RF Kill activation\n"); goto done; } @@ -6534,7 +6658,7 @@ static void iwl_bg_request_scan(void *p) } if (!priv->scan) { - priv->scan = kmalloc(sizeof(struct iwl_scan_cmd) + + priv->scan = kmalloc(sizeof(struct iwl3945_scan_cmd) + IWL_MAX_SCAN_SIZE, GFP_KERNEL); if (!priv->scan) { rc = -ENOMEM; @@ -6542,12 +6666,12 @@ static void iwl_bg_request_scan(void *p) } } scan = priv->scan; - memset(scan, 0, sizeof(struct iwl_scan_cmd) + IWL_MAX_SCAN_SIZE); + memset(scan, 0, sizeof(struct iwl3945_scan_cmd) + IWL_MAX_SCAN_SIZE); scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH; scan->quiet_time = IWL_ACTIVE_QUIET_TIME; - if (iwl_is_associated(priv)) { + if (iwl3945_is_associated(priv)) { u16 interval = 0; u32 extra; u32 suspend_time = 100; @@ -6561,7 +6685,7 @@ static void iwl_bg_request_scan(void *p) spin_unlock_irqrestore(&priv->lock, flags); scan->suspend_time = 0; - scan->max_out_time = cpu_to_le32(600 * 1024); + scan->max_out_time = cpu_to_le32(200 * 1024); if (!interval) interval = suspend_time; /* @@ -6584,14 +6708,14 @@ static void iwl_bg_request_scan(void *p) if (priv->one_direct_scan) { IWL_DEBUG_SCAN ("Kicking off one direct scan for '%s'\n", - iwl_escape_essid(priv->direct_ssid, + iwl3945_escape_essid(priv->direct_ssid, priv->direct_ssid_len)); scan->direct_scan[0].id = WLAN_EID_SSID; scan->direct_scan[0].len = priv->direct_ssid_len; memcpy(scan->direct_scan[0].ssid, priv->direct_ssid, priv->direct_ssid_len); direct_mask = 1; - } else if (!iwl_is_associated(priv)) { + } else if (!iwl3945_is_associated(priv) && priv->essid_len) { scan->direct_scan[0].id = WLAN_EID_SSID; scan->direct_scan[0].len = priv->essid_len; memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len); @@ -6602,7 +6726,7 @@ static void iwl_bg_request_scan(void *p) /* We don't build a direct scan probe request; the uCode will do * that based on the direct_mask added to each channel entry */ scan->tx_cmd.len = cpu_to_le16( - iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, + iwl3945_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, IWL_MAX_SCAN_SIZE - sizeof(scan), 0)); scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK; scan->tx_cmd.sta_id = priv->hw_setting.bcast_sta_id; @@ -6638,23 +6762,23 @@ static void iwl_bg_request_scan(void *p) if (direct_mask) IWL_DEBUG_SCAN ("Initiating direct scan for %s.\n", - iwl_escape_essid(priv->essid, priv->essid_len)); + iwl3945_escape_essid(priv->essid, priv->essid_len)); else IWL_DEBUG_SCAN("Initiating indirect scan.\n"); scan->channel_count = - iwl_get_channels_for_scan( + iwl3945_get_channels_for_scan( priv, phymode, 1, /* active */ direct_mask, (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]); cmd.len += le16_to_cpu(scan->tx_cmd.len) + - scan->channel_count * sizeof(struct iwl_scan_channel); + scan->channel_count * sizeof(struct iwl3945_scan_channel); cmd.data = scan; scan->len = cpu_to_le16(cmd.len); set_bit(STATUS_SCAN_HW, &priv->status); - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl3945_send_cmd_sync(priv, &cmd); if (rc) goto done; @@ -6665,52 +6789,55 @@ static void iwl_bg_request_scan(void *p) return; done: - /* inform mac80211 sacn aborted */ + /* inform mac80211 scan aborted */ queue_work(priv->workqueue, &priv->scan_completed); mutex_unlock(&priv->mutex); } -static void iwl_bg_up(void *p) +static void iwl3945_bg_up(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); - __iwl_up(priv); + __iwl3945_up(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_restart(void *p) +static void iwl3945_bg_restart(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - iwl_down(priv); + iwl3945_down(priv); queue_work(priv->workqueue, &priv->up); } -static void iwl_bg_rx_replenish(void *p) +static void iwl3945_bg_rx_replenish(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); - iwl_rx_replenish(priv); + iwl3945_rx_replenish(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_post_associate(void *p) +#define IWL_DELAY_NEXT_SCAN (HZ*2) + +static void iwl3945_bg_post_associate(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; int rc = 0; struct ieee80211_conf *conf = NULL; + DECLARE_MAC_BUF(mac); if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { IWL_ERROR("%s Should not be called in AP mode\n", __FUNCTION__); @@ -6718,22 +6845,29 @@ static void iwl_bg_post_associate(void * } - IWL_DEBUG_ASSOC("Associated as %d to: " MAC_FMT "\n", - priv->assoc_id, MAC_ARG(priv->active_rxon.bssid_addr)); + IWL_DEBUG_ASSOC("Associated as %d to: %s\n", + priv->assoc_id, + print_mac(mac, priv->active_rxon.bssid_addr)); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; mutex_lock(&priv->mutex); + if (!priv->interface_id || !priv->is_open) { + mutex_unlock(&priv->mutex); + return; + } + iwl3945_scan_cancel_timeout(priv, 200); + conf = ieee80211_get_hw_conf(priv->hw); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); - memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd)); - iwl_setup_rxon_timing(priv); - rc = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING, + memset(&priv->rxon_timing, 0, sizeof(struct iwl3945_rxon_time_cmd)); + iwl3945_setup_rxon_timing(priv); + rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON_TIMING, sizeof(priv->rxon_timing), &priv->rxon_timing); if (rc) IWL_WARNING("REPLY_RXON_TIMING failed - " @@ -6762,73 +6896,80 @@ static void iwl_bg_post_associate(void * } - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); switch (priv->iw_mode) { case IEEE80211_IF_TYPE_STA: - iwl_rate_scale_init(priv->hw, IWL_AP_ID); + iwl3945_rate_scale_init(priv->hw, IWL_AP_ID); break; case IEEE80211_IF_TYPE_IBSS: /* clear out the station table */ - iwl_clear_stations_table(priv); + iwl3945_clear_stations_table(priv); - iwl_rxon_add_station(priv, BROADCAST_ADDR, 0); - iwl_rxon_add_station(priv, priv->bssid, 0); + iwl3945_add_station(priv, iwl3945_broadcast_addr, 0, 0); + iwl3945_add_station(priv, priv->bssid, 0, 0); iwl3945_sync_sta(priv, IWL_STA_ID, (priv->phymode == MODE_IEEE80211A)? IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP, CMD_ASYNC); - iwl_rate_scale_init(priv->hw, IWL_STA_ID); - iwl_send_beacon_cmd(priv); + iwl3945_rate_scale_init(priv->hw, IWL_STA_ID); + iwl3945_send_beacon_cmd(priv); break; default: IWL_ERROR("%s Should not be called in %d mode\n", - __FUNCTION__, priv->iw_mode); + __FUNCTION__, priv->iw_mode); break; } - iwl_sequence_reset(priv); + iwl3945_sequence_reset(priv); -#ifdef CONFIG_IWLWIFI_QOS - iwl_activate_qos(priv, 0); -#endif /* CONFIG_IWLWIFI_QOS */ +#ifdef CONFIG_IWL3945_QOS + iwl3945_activate_qos(priv, 0); +#endif /* CONFIG_IWL3945_QOS */ + /* we have just associated, don't start scan too early */ + priv->next_scan_jiffies = jiffies + IWL_DELAY_NEXT_SCAN; mutex_unlock(&priv->mutex); } -static void iwl_bg_abort_scan(void *p) +static void iwl3945_bg_abort_scan(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; - if (!iwl_is_ready(priv)) + if (!iwl3945_is_ready(priv)) return; mutex_lock(&priv->mutex); set_bit(STATUS_SCAN_ABORTING, &priv->status); - iwl_send_scan_abort(priv); + iwl3945_send_scan_abort(priv); mutex_unlock(&priv->mutex); } -static void iwl_bg_scan_completed(void *p) +static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf); + +static void iwl3945_bg_scan_completed(void *p) { - struct iwl_priv *priv = p; + struct iwl3945_priv *priv = p; IWL_DEBUG(IWL_DL_INFO | IWL_DL_SCAN, "SCAN complete scan\n"); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; + if (priv->cache_conf) + iwl3945_mac_config(priv->hw, priv->cache_conf); + ieee80211_scan_completed(priv->hw); /* Since setting the TXPOWER may have been deferred while * performing the scan, fire one off */ mutex_lock(&priv->mutex); - iwl_hw_reg_send_txpower(priv); + iwl3945_hw_reg_send_txpower(priv); mutex_unlock(&priv->mutex); } @@ -6838,9 +6979,9 @@ static void iwl_bg_scan_completed(void * * *****************************************************************************/ -static int iwl_mac_open(struct ieee80211_hw *hw) +static int iwl3945_mac_start(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); @@ -6849,7 +6990,7 @@ static int iwl_mac_open(struct ieee80211 priv->is_open = 1; - if (!iwl_is_rfkill(priv)) + if (!iwl3945_is_rfkill(priv)) ieee80211_start_queues(priv->hw); mutex_unlock(&priv->mutex); @@ -6857,23 +6998,37 @@ static int iwl_mac_open(struct ieee80211 return 0; } -static int iwl_mac_stop(struct ieee80211_hw *hw) +static void iwl3945_mac_stop(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); + + + mutex_lock(&priv->mutex); + /* stop mac, cancel any scan request and clear + * RXON_FILTER_ASSOC_MSK BIT + */ priv->is_open = 0; - /*netif_stop_queue(dev); */ - flush_workqueue(priv->workqueue); - IWL_DEBUG_MAC80211("leave\n"); + if (!iwl3945_is_ready_rf(priv)) { + IWL_DEBUG_MAC80211("leave - RF not ready\n"); + mutex_unlock(&priv->mutex); + return; + } - return 0; + iwl3945_scan_cancel_timeout(priv, 100); + cancel_delayed_work(&priv->post_associate); + priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + iwl3945_commit_rxon(priv); + mutex_unlock(&priv->mutex); + + IWL_DEBUG_MAC80211("leave\n"); } -static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, +static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, struct ieee80211_tx_control *ctl) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); @@ -6885,27 +7040,25 @@ static int iwl_mac_tx(struct ieee80211_h IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, ctl->tx_rate); - if (iwl_tx_skb(priv, skb, ctl)) + if (iwl3945_tx_skb(priv, skb, ctl)) dev_kfree_skb_any(skb); IWL_DEBUG_MAC80211("leave\n"); return 0; } -static int iwl_mac_add_interface(struct ieee80211_hw *hw, +static int iwl3945_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; unsigned long flags; + DECLARE_MAC_BUF(mac); IWL_DEBUG_MAC80211("enter: id %d, type %d\n", conf->if_id, conf->type); - if (conf->mac_addr) - IWL_DEBUG_MAC80211("enter: MAC " MAC_FMT "\n", - MAC_ARG(conf->mac_addr)); if (priv->interface_id) { IWL_DEBUG_MAC80211("leave - interface_id != 0\n"); - return 0; + return -EOPNOTSUPP; } spin_lock_irqsave(&priv->lock, flags); @@ -6914,7 +7067,13 @@ static int iwl_mac_add_interface(struct spin_unlock_irqrestore(&priv->lock, flags); mutex_lock(&priv->mutex); - iwl_set_mode(priv, conf->type); + + if (conf->mac_addr) { + IWL_DEBUG_MAC80211("Set: %s\n", print_mac(mac, conf->mac_addr)); + memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN); + } + + iwl3945_set_mode(priv, conf->type); IWL_DEBUG_MAC80211("leave\n"); mutex_unlock(&priv->mutex); @@ -6923,97 +7082,114 @@ static int iwl_mac_add_interface(struct } /** - * iwl_mac_config - mac80211 config callback + * iwl3945_mac_config - mac80211 config callback * * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to * be set inappropriately and the driver currently sets the hardware up to * use it whenever needed. */ -static int iwl_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) +static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) { - struct iwl_priv *priv = hw->priv; - const struct iwl_channel_info *ch_info; + struct iwl3945_priv *priv = hw->priv; + const struct iwl3945_channel_info *ch_info; unsigned long flags; + int ret = 0; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel); - if (!iwl_is_ready(priv)) { + if (!iwl3945_is_ready(priv)) { IWL_DEBUG_MAC80211("leave - not ready\n"); - mutex_unlock(&priv->mutex); - return -EIO; + ret = -EIO; + goto out; } /* TODO: Figure out how to get ieee80211_local->sta_scanning w/ only - * what is exposed through include/ declrations */ - if (unlikely(!iwl_param_disable_hw_scan && + * what is exposed through include/ declarations */ + if (unlikely(!iwl3945_param_disable_hw_scan && test_bit(STATUS_SCANNING, &priv->status))) { - IWL_DEBUG_MAC80211("leave - scanning\n"); + + if (priv->cache_conf) + IWL_DEBUG_MAC80211("leave - still scanning\n"); + else { + /* Cache the configuration now so that we can + * replay it after the hardware scan is finished. */ + priv->cache_conf = kmalloc(sizeof(*conf), GFP_KERNEL); + if (priv->cache_conf) { + memcpy(priv->cache_conf, conf, sizeof(*conf)); + IWL_DEBUG_MAC80211("leave - scanning\n"); + } else { + IWL_DEBUG_MAC80211("leave - no memory\n"); + ret = -ENOMEM; + } + } mutex_unlock(&priv->mutex); - return 0; + return ret; } spin_lock_irqsave(&priv->lock, flags); - ch_info = iwl_get_channel_info(priv, conf->phymode, conf->channel); + ch_info = iwl3945_get_channel_info(priv, conf->phymode, conf->channel); if (!is_channel_valid(ch_info)) { IWL_DEBUG_SCAN("Channel %d [%d] is INVALID for this SKU.\n", conf->channel, conf->phymode); IWL_DEBUG_MAC80211("leave - invalid channel\n"); spin_unlock_irqrestore(&priv->lock, flags); - mutex_unlock(&priv->mutex); - return -EINVAL; + ret = -EINVAL; + goto out; } - iwl_set_rxon_channel(priv, conf->phymode, conf->channel); + iwl3945_set_rxon_channel(priv, conf->phymode, conf->channel); - iwl_set_flags_for_phymode(priv, conf->phymode); + iwl3945_set_flags_for_phymode(priv, conf->phymode); /* The list of supported rates and rate mask can be different * for each phymode; since the phymode may have changed, reset * the rate mask to what mac80211 lists */ - iwl_set_rate(priv); + iwl3945_set_rate(priv); spin_unlock_irqrestore(&priv->lock, flags); #ifdef IEEE80211_CONF_CHANNEL_SWITCH if (conf->flags & IEEE80211_CONF_CHANNEL_SWITCH) { - iwl_hw_channel_switch(priv, conf->channel); - mutex_unlock(&priv->mutex); - return 0; + iwl3945_hw_channel_switch(priv, conf->channel); + goto out; } #endif - iwl_radio_kill_sw(priv, !conf->radio_enabled); + iwl3945_radio_kill_sw(priv, !conf->radio_enabled); if (!conf->radio_enabled) { IWL_DEBUG_MAC80211("leave - radio disabled\n"); - mutex_unlock(&priv->mutex); - return 0; + goto out; } - if (iwl_is_rfkill(priv)) { + if (iwl3945_is_rfkill(priv)) { IWL_DEBUG_MAC80211("leave - RF kill\n"); - mutex_unlock(&priv->mutex); - return -EIO; + ret = -EIO; + goto out; } - iwl_set_rate(priv); + iwl3945_set_rate(priv); if (memcmp(&priv->active_rxon, &priv->staging_rxon, sizeof(priv->staging_rxon))) - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); else IWL_DEBUG_INFO("No re-sending same RXON configuration.\n"); IWL_DEBUG_MAC80211("leave\n"); +out: + if (priv->cache_conf) { + kfree(priv->cache_conf); + priv->cache_conf = NULL; + } mutex_unlock(&priv->mutex); - - return 0; + return ret; } -static void iwl_config_ap(struct iwl_priv *priv) +static void iwl3945_config_ap(struct iwl3945_priv *priv) { int rc = 0; @@ -7025,12 +7201,12 @@ static void iwl_config_ap(struct iwl_pri /* RXON - unassoc (to set timing command) */ priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); /* RXON Timing */ - memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd)); - iwl_setup_rxon_timing(priv); - rc = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING, + memset(&priv->rxon_timing, 0, sizeof(struct iwl3945_rxon_time_cmd)); + iwl3945_setup_rxon_timing(priv); + rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON_TIMING, sizeof(priv->rxon_timing), &priv->rxon_timing); if (rc) IWL_WARNING("REPLY_RXON_TIMING failed - " @@ -7060,27 +7236,29 @@ static void iwl_config_ap(struct iwl_pri } /* restore RXON assoc */ priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); - iwl_rxon_add_station(priv, BROADCAST_ADDR, 0); - iwl_send_beacon_cmd(priv); - } else - iwl_send_beacon_cmd(priv); + iwl3945_commit_rxon(priv); + iwl3945_add_station(priv, iwl3945_broadcast_addr, 0, 0); + } + iwl3945_send_beacon_cmd(priv); /* FIXME - we need to add code here to detect a totally new * configuration, reset the AP, unassoc, rxon timing, assoc, * clear sta table, add BCAST sta... */ } -static int iwl_mac_config_interface(struct ieee80211_hw *hw, int if_id, +static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, int if_id, struct ieee80211_if_conf *conf) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; + DECLARE_MAC_BUF(mac); unsigned long flags; int rc; if (conf == NULL) return -EIO; + /* XXX: this MUST use conf->mac_addr */ + if ((priv->iw_mode == IEEE80211_IF_TYPE_AP) && (!conf->beacon || !conf->ssid_len)) { IWL_DEBUG_MAC80211 @@ -7092,11 +7270,16 @@ static int iwl_mac_config_interface(stru IWL_DEBUG_MAC80211("enter: interface id %d\n", if_id); if (conf->bssid) - IWL_DEBUG_MAC80211("bssid: " MAC_FMT "\n", - MAC_ARG(conf->bssid)); + IWL_DEBUG_MAC80211("bssid: %s\n", + print_mac(mac, conf->bssid)); +/* + * very dubious code was here; the probe filtering flag is never set: + * if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) && !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) { + */ + if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) { IWL_DEBUG_MAC80211("leave - scanning\n"); mutex_unlock(&priv->mutex); return 0; @@ -7112,8 +7295,8 @@ static int iwl_mac_config_interface(stru if (!conf->bssid) { conf->bssid = priv->mac_addr; memcpy(priv->bssid, priv->mac_addr, ETH_ALEN); - IWL_DEBUG_MAC80211("bssid was set to: " MAC_FMT "\n", - MAC_ARG(conf->bssid)); + IWL_DEBUG_MAC80211("bssid was set to: %s\n", + print_mac(mac, conf->bssid)); } if (priv->ibss_beacon) dev_kfree_skb(priv->ibss_beacon); @@ -7121,11 +7304,14 @@ static int iwl_mac_config_interface(stru priv->ibss_beacon = conf->beacon; } + if (iwl3945_is_rfkill(priv)) + goto done; + if (conf->bssid && !is_zero_ether_addr(conf->bssid) && !is_multicast_ether_addr(conf->bssid)) { /* If there is currently a HW scan going on in the background * then we need to cancel it else the RXON below will fail. */ - if (iwl_scan_cancel_timeout(priv, 100)) { + if (iwl3945_scan_cancel_timeout(priv, 100)) { IWL_WARNING("Aborted scan still in progress " "after 100ms\n"); IWL_DEBUG_MAC80211("leaving - scan abort failed.\n"); @@ -7141,21 +7327,21 @@ static int iwl_mac_config_interface(stru memcpy(priv->bssid, conf->bssid, ETH_ALEN); if (priv->iw_mode == IEEE80211_IF_TYPE_AP) - iwl_config_ap(priv); + iwl3945_config_ap(priv); else { - priv->staging_rxon.filter_flags |= - RXON_FILTER_ASSOC_MSK; - rc = iwl_commit_rxon(priv); + rc = iwl3945_commit_rxon(priv); if ((priv->iw_mode == IEEE80211_IF_TYPE_STA) && rc) - iwl_rxon_add_station( - priv, priv->active_rxon.bssid_addr, 1); + iwl3945_add_station(priv, + priv->active_rxon.bssid_addr, 1, 0); } } else { + iwl3945_scan_cancel_timeout(priv, 100); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); } + done: spin_lock_irqsave(&priv->lock, flags); if (!conf->ssid_len) memset(priv->essid, 0, IW_ESSID_MAX_SIZE); @@ -7171,14 +7357,33 @@ static int iwl_mac_config_interface(stru return 0; } -static void iwl_mac_remove_interface(struct ieee80211_hw *hw, +static void iwl3945_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, + int mc_count, struct dev_addr_list *mc_list) +{ + /* + * XXX: dummy + * see also iwl3945_connection_init_rx_config + */ + *total_flags = 0; +} + +static void iwl3945_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); mutex_lock(&priv->mutex); + + if (iwl3945_is_ready_rf(priv)) { + iwl3945_scan_cancel_timeout(priv, 100); + cancel_delayed_work(&priv->post_associate); + priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + iwl3945_commit_rxon(priv); + } if (priv->interface_id == conf->if_id) { priv->interface_id = 0; memset(priv->bssid, 0, ETH_ALEN); @@ -7191,18 +7396,18 @@ static void iwl_mac_remove_interface(str } -#define IWL_DELAY_NEXT_SCAN (HZ*2) -static int iwl_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) +static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) { int rc = 0; unsigned long flags; - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; IWL_DEBUG_MAC80211("enter\n"); + mutex_lock(&priv->mutex); spin_lock_irqsave(&priv->lock, flags); - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { rc = -EIO; IWL_DEBUG_MAC80211("leave - not ready or exit pending\n"); goto out_unlock; @@ -7214,44 +7419,51 @@ static int iwl_mac_hw_scan(struct ieee80 goto out_unlock; } + /* we don't schedule scan within next_scan_jiffies period */ + if (priv->next_scan_jiffies && + time_after(priv->next_scan_jiffies, jiffies)) { + rc = -EAGAIN; + goto out_unlock; + } /* if we just finished scan ask for delay */ - if (priv->last_scan_jiffies && - time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, - jiffies)) { + if (priv->last_scan_jiffies && time_after(priv->last_scan_jiffies + + IWL_DELAY_NEXT_SCAN, jiffies)) { rc = -EAGAIN; goto out_unlock; } if (len) { - IWL_DEBUG_SCAN("direct scan for " - "%s [%d]\n ", - iwl_escape_essid(ssid, len), (int)len); + IWL_DEBUG_SCAN("direct scan for %s [%d]\n ", + iwl3945_escape_essid(ssid, len), (int)len); priv->one_direct_scan = 1; priv->direct_ssid_len = (u8) min((u8) len, (u8) IW_ESSID_MAX_SIZE); memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len); - } + } else + priv->one_direct_scan = 0; - rc = iwl_scan_initiate(priv); + rc = iwl3945_scan_initiate(priv); IWL_DEBUG_MAC80211("leave\n"); out_unlock: spin_unlock_irqrestore(&priv->lock, flags); + mutex_unlock(&priv->mutex); return rc; } -static int iwl_mac_set_key(struct ieee80211_hw *hw, set_key_cmd cmd, - u8 *addr, struct ieee80211_key_conf *key, int aid) +static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + const u8 *local_addr, const u8 *addr, + struct ieee80211_key_conf *key) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; int rc = 0; u8 sta_id; IWL_DEBUG_MAC80211("enter\n"); - if (!iwl_param_hwcrypto) { + if (!iwl3945_param_hwcrypto) { IWL_DEBUG_MAC80211("leave - hwcrypto disabled\n"); return -EOPNOTSUPP; } @@ -7260,31 +7472,35 @@ static int iwl_mac_set_key(struct ieee80 /* only support pairwise keys */ return -EOPNOTSUPP; - sta_id = iwl_hw_find_station(priv, addr); + sta_id = iwl3945_hw_find_station(priv, addr); if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_MAC80211("leave - " MAC_FMT " not in station map.\n", - MAC_ARG(addr)); + DECLARE_MAC_BUF(mac); + + IWL_DEBUG_MAC80211("leave - %s not in station map.\n", + print_mac(mac, addr)); return -EINVAL; } mutex_lock(&priv->mutex); + iwl3945_scan_cancel_timeout(priv, 100); + switch (cmd) { case SET_KEY: - rc = iwl_update_sta_key_info(priv, key, sta_id); + rc = iwl3945_update_sta_key_info(priv, key, sta_id); if (!rc) { - iwl_set_rxon_hwcrypto(priv, 1); - iwl_commit_rxon(priv); + iwl3945_set_rxon_hwcrypto(priv, 1); + iwl3945_commit_rxon(priv); key->hw_key_idx = sta_id; IWL_DEBUG_MAC80211("set_key success, using hwcrypto\n"); - key->flags &= ~IEEE80211_KEY_FORCE_SW_ENCRYPT; + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; } break; case DISABLE_KEY: - rc = iwl_clear_sta_key_info(priv, sta_id); + rc = iwl3945_clear_sta_key_info(priv, sta_id); if (!rc) { - iwl_set_rxon_hwcrypto(priv, 0); - iwl_commit_rxon(priv); + iwl3945_set_rxon_hwcrypto(priv, 0); + iwl3945_commit_rxon(priv); IWL_DEBUG_MAC80211("disable hwcrypto key\n"); } break; @@ -7298,18 +7514,18 @@ static int iwl_mac_set_key(struct ieee80 return rc; } -static int iwl_mac_conf_tx(struct ieee80211_hw *hw, int queue, +static int iwl3945_mac_conf_tx(struct ieee80211_hw *hw, int queue, const struct ieee80211_tx_queue_params *params) { - struct iwl_priv *priv = hw->priv; -#ifdef CONFIG_IWLWIFI_QOS + struct iwl3945_priv *priv = hw->priv; +#ifdef CONFIG_IWL3945_QOS unsigned long flags; int q; -#endif /* CONFIG_IWL_QOS */ +#endif /* CONFIG_IWL3945_QOS */ IWL_DEBUG_MAC80211("enter\n"); - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_MAC80211("leave - RF not ready\n"); return -EIO; } @@ -7319,7 +7535,7 @@ static int iwl_mac_conf_tx(struct ieee80 return 0; } -#ifdef CONFIG_IWLWIFI_QOS +#ifdef CONFIG_IWL3945_QOS if (!priv->qos_data.qos_enable) { priv->qos_data.qos_active = 0; IWL_DEBUG_MAC80211("leave - qos not enabled\n"); @@ -7342,30 +7558,30 @@ static int iwl_mac_conf_tx(struct ieee80 mutex_lock(&priv->mutex); if (priv->iw_mode == IEEE80211_IF_TYPE_AP) - iwl_activate_qos(priv, 1); - else if (priv->assoc_id && iwl_is_associated(priv)) - iwl_activate_qos(priv, 0); + iwl3945_activate_qos(priv, 1); + else if (priv->assoc_id && iwl3945_is_associated(priv)) + iwl3945_activate_qos(priv, 0); mutex_unlock(&priv->mutex); -#endif /*CONFIG_IWLWIFI_QOS */ +#endif /*CONFIG_IWL3945_QOS */ IWL_DEBUG_MAC80211("leave\n"); return 0; } -static int iwl_mac_get_tx_stats(struct ieee80211_hw *hw, +static int iwl3945_mac_get_tx_stats(struct ieee80211_hw *hw, struct ieee80211_tx_queue_stats *stats) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; int i, avail; - struct iwl_tx_queue *txq; - struct iwl_queue *q; + struct iwl3945_tx_queue *txq; + struct iwl3945_queue *q; unsigned long flags; IWL_DEBUG_MAC80211("enter\n"); - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_MAC80211("leave - RF not ready\n"); return -EIO; } @@ -7375,7 +7591,7 @@ static int iwl_mac_get_tx_stats(struct i for (i = 0; i < AC_NUM; i++) { txq = &priv->txq[i]; q = &txq->q; - avail = iwl_queue_space(q); + avail = iwl3945_queue_space(q); stats->data[i].len = q->n_window - avail; stats->data[i].limit = q->n_window - q->high_mark; @@ -7389,7 +7605,7 @@ static int iwl_mac_get_tx_stats(struct i return 0; } -static int iwl_mac_get_stats(struct ieee80211_hw *hw, +static int iwl3945_mac_get_stats(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats) { IWL_DEBUG_MAC80211("enter\n"); @@ -7398,7 +7614,7 @@ static int iwl_mac_get_stats(struct ieee return 0; } -static u64 iwl_mac_get_tsf(struct ieee80211_hw *hw) +static u64 iwl3945_mac_get_tsf(struct ieee80211_hw *hw) { IWL_DEBUG_MAC80211("enter\n"); IWL_DEBUG_MAC80211("leave\n"); @@ -7406,16 +7622,16 @@ static u64 iwl_mac_get_tsf(struct ieee80 return 0; } -static void iwl_mac_reset_tsf(struct ieee80211_hw *hw) +static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; unsigned long flags; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter\n"); -#ifdef CONFIG_IWLWIFI_QOS - iwl_reset_qos(priv); +#ifdef CONFIG_IWL3945_QOS + iwl3945_reset_qos(priv); #endif cancel_delayed_work(&priv->post_associate); @@ -7438,22 +7654,32 @@ static void iwl_mac_reset_tsf(struct iee spin_unlock_irqrestore(&priv->lock, flags); - /* Per mac80211.h: This is only used in IBSS mode... */ - if (priv->iw_mode != IEEE80211_IF_TYPE_IBSS) { - IWL_DEBUG_MAC80211("leave - not in IBSS\n"); + if (!iwl3945_is_ready_rf(priv)) { + IWL_DEBUG_MAC80211("leave - not ready\n"); mutex_unlock(&priv->mutex); return; } - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_MAC80211("leave - not ready\n"); + /* we are restarting association process + * clear RXON_FILTER_ASSOC_MSK bit + */ + if (priv->iw_mode != IEEE80211_IF_TYPE_AP) { + iwl3945_scan_cancel_timeout(priv, 100); + priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + iwl3945_commit_rxon(priv); + } + + /* Per mac80211.h: This is only used in IBSS mode... */ + if (priv->iw_mode != IEEE80211_IF_TYPE_IBSS) { + + IWL_DEBUG_MAC80211("leave - not in IBSS\n"); mutex_unlock(&priv->mutex); return; } priv->only_active_channel = 0; - iwl_set_rate(priv); + iwl3945_set_rate(priv); mutex_unlock(&priv->mutex); @@ -7461,16 +7687,16 @@ static void iwl_mac_reset_tsf(struct iee } -static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, +static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, struct ieee80211_tx_control *control) { - struct iwl_priv *priv = hw->priv; + struct iwl3945_priv *priv = hw->priv; unsigned long flags; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter\n"); - if (!iwl_is_ready_rf(priv)) { + if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_MAC80211("leave - RF not ready\n"); mutex_unlock(&priv->mutex); return -EIO; @@ -7494,8 +7720,8 @@ static int iwl_mac_beacon_update(struct IWL_DEBUG_MAC80211("leave\n"); spin_unlock_irqrestore(&priv->lock, flags); -#ifdef CONFIG_IWLWIFI_QOS - iwl_reset_qos(priv); +#ifdef CONFIG_IWL3945_QOS + iwl3945_reset_qos(priv); #endif queue_work(priv->workqueue, &priv->post_associate); @@ -7511,7 +7737,7 @@ static int iwl_mac_beacon_update(struct * *****************************************************************************/ -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL3945_DEBUG /* * The following adds a new attribute to the sysfs representation @@ -7523,7 +7749,7 @@ static int iwl_mac_beacon_update(struct static ssize_t show_debug_level(struct device_driver *d, char *buf) { - return sprintf(buf, "0x%08X\n", iwl_debug_level); + return sprintf(buf, "0x%08X\n", iwl3945_debug_level); } static ssize_t store_debug_level(struct device_driver *d, const char *buf, size_t count) @@ -7536,7 +7762,7 @@ static ssize_t store_debug_level(struct printk(KERN_INFO DRV_NAME ": %s is not in hex or decimal form.\n", buf); else - iwl_debug_level = val; + iwl3945_debug_level = val; return strnlen(buf, count); } @@ -7544,7 +7770,7 @@ static ssize_t store_debug_level(struct static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, show_debug_level, store_debug_level); -#endif /* CONFIG_IWLWIFI_DEBUG */ +#endif /* CONFIG_IWL3945_DEBUG */ static ssize_t show_rf_kill(struct device *d, struct device_attribute *attr, char *buf) @@ -7555,7 +7781,7 @@ static ssize_t show_rf_kill(struct devic * 2 - HW based RF kill active * 3 - Both HW and SW based RF kill active */ - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; int val = (test_bit(STATUS_RF_KILL_SW, &priv->status) ? 0x1 : 0x0) | (test_bit(STATUS_RF_KILL_HW, &priv->status) ? 0x2 : 0x0); @@ -7566,10 +7792,10 @@ static ssize_t store_rf_kill(struct devi struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; mutex_lock(&priv->mutex); - iwl_radio_kill_sw(priv, buf[0] == '1'); + iwl3945_radio_kill_sw(priv, buf[0] == '1'); mutex_unlock(&priv->mutex); return count; @@ -7580,12 +7806,12 @@ static DEVICE_ATTR(rf_kill, S_IWUSR | S_ static ssize_t show_temperature(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; - if (!iwl_is_alive(priv)) + if (!iwl3945_is_alive(priv)) return -EAGAIN; - return sprintf(buf, "%d\n", iwl_hw_get_temperature(priv)); + return sprintf(buf, "%d\n", iwl3945_hw_get_temperature(priv)); } static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL); @@ -7594,15 +7820,15 @@ static ssize_t show_rs_window(struct dev struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = d->driver_data; - return iwl_fill_rs_info(priv->hw, buf, IWL_AP_ID); + struct iwl3945_priv *priv = d->driver_data; + return iwl3945_fill_rs_info(priv->hw, buf, IWL_AP_ID); } static DEVICE_ATTR(rs_window, S_IRUGO, show_rs_window, NULL); static ssize_t show_tx_power(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; return sprintf(buf, "%d\n", priv->user_txpower_limit); } @@ -7610,7 +7836,7 @@ static ssize_t store_tx_power(struct dev struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; char *p = (char *)buf; u32 val; @@ -7619,7 +7845,7 @@ static ssize_t store_tx_power(struct dev printk(KERN_INFO DRV_NAME ": %s is not in decimal form.\n", buf); else - iwl_hw_reg_set_txpower(priv, val); + iwl3945_hw_reg_set_txpower(priv, val); return count; } @@ -7629,7 +7855,7 @@ static DEVICE_ATTR(tx_power, S_IWUSR | S static ssize_t show_flags(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; return sprintf(buf, "0x%04X\n", priv->active_rxon.flags); } @@ -7638,19 +7864,19 @@ static ssize_t store_flags(struct device struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; u32 flags = simple_strtoul(buf, NULL, 0); mutex_lock(&priv->mutex); if (le32_to_cpu(priv->staging_rxon.flags) != flags) { /* Cancel any currently running scans... */ - if (iwl_scan_cancel_timeout(priv, 100)) + if (iwl3945_scan_cancel_timeout(priv, 100)) IWL_WARNING("Could not cancel scan.\n"); else { IWL_DEBUG_INFO("Committing rxon.flags = 0x%04X\n", flags); priv->staging_rxon.flags = cpu_to_le32(flags); - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); } } mutex_unlock(&priv->mutex); @@ -7663,7 +7889,7 @@ static DEVICE_ATTR(flags, S_IWUSR | S_IR static ssize_t show_filter_flags(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; return sprintf(buf, "0x%04X\n", le32_to_cpu(priv->active_rxon.filter_flags)); @@ -7673,20 +7899,20 @@ static ssize_t store_filter_flags(struct struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; u32 filter_flags = simple_strtoul(buf, NULL, 0); mutex_lock(&priv->mutex); if (le32_to_cpu(priv->staging_rxon.filter_flags) != filter_flags) { /* Cancel any currently running scans... */ - if (iwl_scan_cancel_timeout(priv, 100)) + if (iwl3945_scan_cancel_timeout(priv, 100)) IWL_WARNING("Could not cancel scan.\n"); else { IWL_DEBUG_INFO("Committing rxon.filter_flags = " "0x%04X\n", filter_flags); priv->staging_rxon.filter_flags = cpu_to_le32(filter_flags); - iwl_commit_rxon(priv); + iwl3945_commit_rxon(priv); } } mutex_unlock(&priv->mutex); @@ -7700,20 +7926,20 @@ static DEVICE_ATTR(filter_flags, S_IWUSR static ssize_t show_tune(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; return sprintf(buf, "0x%04X\n", (priv->phymode << 8) | le16_to_cpu(priv->active_rxon.channel)); } -static void iwl_set_flags_for_phymode(struct iwl_priv *priv, u8 phymode); +static void iwl3945_set_flags_for_phymode(struct iwl3945_priv *priv, u8 phymode); static ssize_t store_tune(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; char *p = (char *)buf; u16 tune = simple_strtoul(p, &p, 0); u8 phymode = (tune >> 8) & 0xff; @@ -7724,9 +7950,9 @@ static ssize_t store_tune(struct device mutex_lock(&priv->mutex); if ((le16_to_cpu(priv->staging_rxon.channel) != channel) || (priv->phymode != phymode)) { - const struct iwl_channel_info *ch_info; + const struct iwl3945_channel_info *ch_info; - ch_info = iwl_get_channel_info(priv, phymode, channel); + ch_info = iwl3945_get_channel_info(priv, phymode, channel); if (!ch_info) { IWL_WARNING("Requested invalid phymode/channel " "combination: %d %d\n", phymode, channel); @@ -7735,18 +7961,18 @@ static ssize_t store_tune(struct device } /* Cancel any currently running scans... */ - if (iwl_scan_cancel_timeout(priv, 100)) + if (iwl3945_scan_cancel_timeout(priv, 100)) IWL_WARNING("Could not cancel scan.\n"); else { IWL_DEBUG_INFO("Committing phymode and " "rxon.channel = %d %d\n", phymode, channel); - iwl_set_rxon_channel(priv, phymode, channel); - iwl_set_flags_for_phymode(priv, phymode); + iwl3945_set_rxon_channel(priv, phymode, channel); + iwl3945_set_flags_for_phymode(priv, phymode); - iwl_set_rate(priv); - iwl_commit_rxon(priv); + iwl3945_set_rate(priv); + iwl3945_commit_rxon(priv); } } mutex_unlock(&priv->mutex); @@ -7756,14 +7982,13 @@ static ssize_t store_tune(struct device static DEVICE_ATTR(tune, S_IWUSR | S_IRUGO, show_tune, store_tune); -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT static ssize_t show_measurement(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); - struct iwl_spectrum_notification measure_report; - + struct iwl3945_priv *priv = dev_get_drvdata(d); + struct iwl3945_spectrum_notification measure_report; u32 size = sizeof(measure_report), len = 0, ofs = 0; u8 *data = (u8 *) & measure_report; unsigned long flags; @@ -7778,9 +8003,9 @@ static ssize_t show_measurement(struct d spin_unlock_irqrestore(&priv->lock, flags); while (size && (PAGE_SIZE - len)) { - len += - snprint_line(&buf[len], PAGE_SIZE - len, - &data[ofs], min(size, 16U), ofs); + hex_dump_to_buffer(data + ofs, size, 16, 1, buf + len, + PAGE_SIZE - len, 1); + len = strlen(buf); if (PAGE_SIZE - len) buf[len++] = '\n'; @@ -7795,7 +8020,7 @@ static ssize_t store_measurement(struct struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); struct ieee80211_measurement_params params = { .channel = le16_to_cpu(priv->active_rxon.channel), .start_time = cpu_to_le64(priv->last_tsf), @@ -7821,19 +8046,19 @@ static ssize_t store_measurement(struct IWL_DEBUG_INFO("Invoking measurement of type %d on " "channel %d (for '%s')\n", type, params.channel, buf); - iwl_get_measurement(priv, ¶ms, type); + iwl3945_get_measurement(priv, ¶ms, type); return count; } static DEVICE_ATTR(measurement, S_IRUSR | S_IWUSR, show_measurement, store_measurement); -#endif /* CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT */ +#endif /* CONFIG_IWL3945_SPECTRUM_MEASUREMENT */ static ssize_t show_rate(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); unsigned long flags; int i; @@ -7844,13 +8069,13 @@ static ssize_t show_rate(struct device * i = priv->stations[IWL_STA_ID].current_rate.s.rate; spin_unlock_irqrestore(&priv->sta_lock, flags); - i = iwl_rate_index_from_plcp(i); + i = iwl3945_rate_index_from_plcp(i); if (i == -1) return sprintf(buf, "0\n"); return sprintf(buf, "%d%s\n", - (iwl_rates[i].ieee >> 1), - (iwl_rates[i].ieee & 0x1) ? ".5" : ""); + (iwl3945_rates[i].ieee >> 1), + (iwl3945_rates[i].ieee & 0x1) ? ".5" : ""); } static DEVICE_ATTR(rate, S_IRUSR, show_rate, NULL); @@ -7859,7 +8084,7 @@ static ssize_t store_retry_rate(struct d struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); priv->retry_rate = simple_strtoul(buf, NULL, 0); if (priv->retry_rate <= 0) @@ -7871,7 +8096,7 @@ static ssize_t store_retry_rate(struct d static ssize_t show_retry_rate(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); return sprintf(buf, "%d", priv->retry_rate); } @@ -7882,14 +8107,14 @@ static ssize_t store_power_level(struct struct device_attribute *attr, const char *buf, size_t count) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); int rc; int mode; mode = simple_strtoul(buf, NULL, 0); mutex_lock(&priv->mutex); - if (!iwl_is_ready(priv)) { + if (!iwl3945_is_ready(priv)) { rc = -EAGAIN; goto out; } @@ -7900,7 +8125,7 @@ static ssize_t store_power_level(struct mode |= IWL_POWER_ENABLED; if (mode != priv->power_mode) { - rc = iwl_send_power_mode(priv, IWL_POWER_LEVEL(mode)); + rc = iwl3945_send_power_mode(priv, IWL_POWER_LEVEL(mode)); if (rc) { IWL_DEBUG_MAC80211("failed setting power mode.\n"); goto out; @@ -7936,7 +8161,7 @@ static const s32 period_duration[] = { static ssize_t show_power_level(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); int level = IWL_POWER_LEVEL(priv->power_mode); char *p = buf; @@ -7971,18 +8196,18 @@ static DEVICE_ATTR(power_level, S_IWUSR static ssize_t show_channels(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); int len = 0, i; struct ieee80211_channel *channels = NULL; const struct ieee80211_hw_mode *hw_mode = NULL; int count = 0; - if (!iwl_is_ready(priv)) + if (!iwl3945_is_ready(priv)) return -EAGAIN; - hw_mode = iwl_get_hw_mode(priv, MODE_IEEE80211G); + hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211G); if (!hw_mode) - hw_mode = iwl_get_hw_mode(priv, MODE_IEEE80211B); + hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211B); if (hw_mode) { channels = hw_mode->channels; count = hw_mode->num_channels; @@ -8009,7 +8234,7 @@ static ssize_t show_channels(struct devi flag & IEEE80211_CHAN_W_ACTIVE_SCAN ? "active/passive" : "passive only"); - hw_mode = iwl_get_hw_mode(priv, MODE_IEEE80211A); + hw_mode = iwl3945_get_hw_mode(priv, MODE_IEEE80211A); if (hw_mode) { channels = hw_mode->channels; count = hw_mode->num_channels; @@ -8045,17 +8270,17 @@ static DEVICE_ATTR(channels, S_IRUSR, sh static ssize_t show_statistics(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); - u32 size = sizeof(struct iwl_notif_statistics); + struct iwl3945_priv *priv = dev_get_drvdata(d); + u32 size = sizeof(struct iwl3945_notif_statistics); u32 len = 0, ofs = 0; u8 *data = (u8 *) & priv->statistics; int rc = 0; - if (!iwl_is_alive(priv)) + if (!iwl3945_is_alive(priv)) return -EAGAIN; mutex_lock(&priv->mutex); - rc = iwl_send_statistics_request(priv); + rc = iwl3945_send_statistics_request(priv); mutex_unlock(&priv->mutex); if (rc) { @@ -8065,9 +8290,9 @@ static ssize_t show_statistics(struct de } while (size && (PAGE_SIZE - len)) { - len += - snprint_line(&buf[len], PAGE_SIZE - len, - &data[ofs], min(size, 16U), ofs); + hex_dump_to_buffer(data + ofs, size, 16, 1, buf + len, + PAGE_SIZE - len, 1); + len = strlen(buf); if (PAGE_SIZE - len) buf[len++] = '\n'; @@ -8083,9 +8308,9 @@ static DEVICE_ATTR(statistics, S_IRUGO, static ssize_t show_antenna(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); - if (!iwl_is_alive(priv)) + if (!iwl3945_is_alive(priv)) return -EAGAIN; return sprintf(buf, "%d\n", priv->antenna); @@ -8096,7 +8321,7 @@ static ssize_t store_antenna(struct devi const char *buf, size_t count) { int ant; - struct iwl_priv *priv = dev_get_drvdata(d); + struct iwl3945_priv *priv = dev_get_drvdata(d); if (count == 0) return 0; @@ -8108,7 +8333,7 @@ static ssize_t store_antenna(struct devi if ((ant >= 0) && (ant <= 2)) { IWL_DEBUG_INFO("Setting antenna select to %d.\n", ant); - priv->antenna = (enum iwl_antenna)ant; + priv->antenna = (enum iwl3945_antenna)ant; } else IWL_DEBUG_INFO("Bad antenna select value %d.\n", ant); @@ -8121,8 +8346,8 @@ static DEVICE_ATTR(antenna, S_IWUSR | S_ static ssize_t show_status(struct device *d, struct device_attribute *attr, char *buf) { - struct iwl_priv *priv = (struct iwl_priv *)d->driver_data; - if (!iwl_is_alive(priv)) + struct iwl3945_priv *priv = (struct iwl3945_priv *)d->driver_data; + if (!iwl3945_is_alive(priv)) return -EAGAIN; return sprintf(buf, "0x%08x\n", (int)priv->status); } @@ -8136,7 +8361,7 @@ static ssize_t dump_error_log(struct dev char *p = (char *)buf; if (p[0] == '1') - iwl_dump_nic_error_log((struct iwl_priv *)d->driver_data); + iwl3945_dump_nic_error_log((struct iwl3945_priv *)d->driver_data); return strnlen(buf, count); } @@ -8150,7 +8375,7 @@ static ssize_t dump_event_log(struct dev char *p = (char *)buf; if (p[0] == '1') - iwl_dump_nic_event_log((struct iwl_priv *)d->driver_data); + iwl3945_dump_nic_event_log((struct iwl3945_priv *)d->driver_data); return strnlen(buf, count); } @@ -8163,49 +8388,60 @@ static DEVICE_ATTR(dump_events, S_IWUSR, * *****************************************************************************/ -static void iwl_setup_deferred_work(struct iwl_priv *priv) +static void iwl3945_setup_deferred_work(struct iwl3945_priv *priv) { priv->workqueue = create_workqueue(DRV_NAME); init_waitqueue_head(&priv->wait_command_queue); - INIT_WORK(&priv->up, iwl_bg_up, priv); - INIT_WORK(&priv->restart, iwl_bg_restart, priv); - INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish, priv); - INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed, priv); - INIT_WORK(&priv->request_scan, iwl_bg_request_scan, priv); - INIT_WORK(&priv->abort_scan, iwl_bg_abort_scan, priv); - INIT_WORK(&priv->rf_kill, iwl_bg_rf_kill, priv); - INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update, priv); - INIT_WORK(&priv->post_associate, iwl_bg_post_associate, priv); - INIT_WORK(&priv->init_alive_start, iwl_bg_init_alive_start, priv); - INIT_WORK(&priv->alive_start, iwl_bg_alive_start, priv); - INIT_WORK(&priv->scan_check, iwl_bg_scan_check, priv); + INIT_WORK(&priv->up, iwl3945_bg_up, priv); + INIT_WORK(&priv->restart, iwl3945_bg_restart, priv); + INIT_WORK(&priv->rx_replenish, iwl3945_bg_rx_replenish, priv); + INIT_WORK(&priv->scan_completed, iwl3945_bg_scan_completed, priv); + INIT_WORK(&priv->request_scan, iwl3945_bg_request_scan, priv); + INIT_WORK(&priv->abort_scan, iwl3945_bg_abort_scan, priv); + INIT_WORK(&priv->rf_kill, iwl3945_bg_rf_kill, priv); + INIT_WORK(&priv->beacon_update, iwl3945_bg_beacon_update, priv); + INIT_WORK(&priv->post_associate, iwl3945_bg_post_associate, priv); + INIT_WORK(&priv->init_alive_start, iwl3945_bg_init_alive_start, priv); + INIT_WORK(&priv->alive_start, iwl3945_bg_alive_start, priv); + INIT_WORK(&priv->scan_check, iwl3945_bg_scan_check, priv); - iwl_hw_setup_deferred_work(priv); + iwl3945_hw_setup_deferred_work(priv); tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) - iwl_irq_tasklet, (unsigned long)priv); + iwl3945_irq_tasklet, (unsigned long)priv); } -static void iwl_cancel_deferred_work(struct iwl_priv *priv) +static void iwl3945_cancel_deferred_work(struct iwl3945_priv *priv) { - iwl_hw_cancel_deferred_work(priv); + iwl3945_hw_cancel_deferred_work(priv); +#if 0 /* Not in RHEL5...(and probably wrong upstream...) */ + cancel_delayed_work_sync(&priv->init_alive_start); +#else + cancel_delayed_work(&priv->init_alive_start); + /* Make sure he has completed, since he can schedule other work */ + flush_workqueue(priv->workqueue); +#endif cancel_delayed_work(&priv->scan_check); cancel_delayed_work(&priv->alive_start); cancel_delayed_work(&priv->post_associate); - cancel_rearming_delayed_work(&priv->beacon_update); +#if 0 /* Not in RHEL5... */ + cancel_work_sync(&priv->beacon_update); +#else + flush_workqueue(priv->workqueue); +#endif } -static struct attribute *iwl_sysfs_entries[] = { +static struct attribute *iwl3945_sysfs_entries[] = { &dev_attr_antenna.attr, &dev_attr_channels.attr, &dev_attr_dump_errors.attr, &dev_attr_dump_events.attr, &dev_attr_flags.attr, &dev_attr_filter_flags.attr, -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT &dev_attr_measurement.attr, #endif &dev_attr_power_level.attr, @@ -8222,44 +8458,47 @@ static struct attribute *iwl_sysfs_entri NULL }; -static struct attribute_group iwl_attribute_group = { +static struct attribute_group iwl3945_attribute_group = { .name = NULL, /* put in device directory */ - .attrs = iwl_sysfs_entries, + .attrs = iwl3945_sysfs_entries, }; -static struct ieee80211_ops iwl_hw_ops = { - .tx = iwl_mac_tx, - .open = iwl_mac_open, - .stop = iwl_mac_stop, - .add_interface = iwl_mac_add_interface, - .remove_interface = iwl_mac_remove_interface, - .config = iwl_mac_config, - .config_interface = iwl_mac_config_interface, - .set_key = iwl_mac_set_key, - .get_stats = iwl_mac_get_stats, - .get_tx_stats = iwl_mac_get_tx_stats, - .conf_tx = iwl_mac_conf_tx, - .get_tsf = iwl_mac_get_tsf, - .reset_tsf = iwl_mac_reset_tsf, - .beacon_update = iwl_mac_beacon_update, - .hw_scan = iwl_mac_hw_scan +static struct ieee80211_ops iwl3945_hw_ops = { + .tx = iwl3945_mac_tx, + .start = iwl3945_mac_start, + .stop = iwl3945_mac_stop, + .add_interface = iwl3945_mac_add_interface, + .remove_interface = iwl3945_mac_remove_interface, + .config = iwl3945_mac_config, + .config_interface = iwl3945_mac_config_interface, + .configure_filter = iwl3945_configure_filter, + .set_key = iwl3945_mac_set_key, + .get_stats = iwl3945_mac_get_stats, + .get_tx_stats = iwl3945_mac_get_tx_stats, + .conf_tx = iwl3945_mac_conf_tx, + .get_tsf = iwl3945_mac_get_tsf, + .reset_tsf = iwl3945_mac_reset_tsf, + .beacon_update = iwl3945_mac_beacon_update, + .hw_scan = iwl3945_mac_hw_scan }; -static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { int err = 0; u32 pci_id; - struct iwl_priv *priv; + struct iwl3945_priv *priv; struct ieee80211_hw *hw; int i; - if (iwl_param_disable_hw_scan) { + /* Disabling hardware scan means that mac80211 will perform scans + * "the hard way", rather than using device's scan. */ + if (iwl3945_param_disable_hw_scan) { IWL_DEBUG_INFO("Disabling hw_scan\n"); - iwl_hw_ops.hw_scan = NULL; + iwl3945_hw_ops.hw_scan = NULL; } - if ((iwl_param_queues_num > IWL_MAX_NUM_QUEUES) || - (iwl_param_queues_num < IWL_MIN_NUM_QUEUES)) { + if ((iwl3945_param_queues_num > IWL_MAX_NUM_QUEUES) || + (iwl3945_param_queues_num < IWL_MIN_NUM_QUEUES)) { IWL_ERROR("invalid queues_num, should be between %d and %d\n", IWL_MIN_NUM_QUEUES, IWL_MAX_NUM_QUEUES); err = -EINVAL; @@ -8268,7 +8507,7 @@ static int iwl_pci_probe(struct pci_dev /* mac80211 allocates memory for this device instance, including * space for this driver's private structure */ - hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwl_hw_ops); + hw = ieee80211_alloc_hw(sizeof(struct iwl3945_priv), &iwl3945_hw_ops); if (hw == NULL) { IWL_ERROR("Can not allocate network device\n"); err = -ENOMEM; @@ -8276,14 +8515,18 @@ static int iwl_pci_probe(struct pci_dev } SET_IEEE80211_DEV(hw, &pdev->dev); + hw->rate_control_algorithm = "iwl-3945-rs"; + IWL_DEBUG_INFO("*** LOAD DRIVER ***\n"); priv = hw->priv; priv->hw = hw; priv->pci_dev = pdev; - priv->antenna = (enum iwl_antenna)iwl_param_antenna; -#ifdef CONFIG_IWLWIFI_DEBUG - iwl_debug_level = iwl_param_debug; + + /* Select antenna (may be helpful if only one antenna is connected) */ + priv->antenna = (enum iwl3945_antenna)iwl3945_param_antenna; +#ifdef CONFIG_IWL3945_DEBUG + iwl3945_debug_level = iwl3945_param_debug; atomic_set(&priv->restrict_refcnt, 0); #endif priv->retry_rate = 1; @@ -8300,9 +8543,9 @@ static int iwl_pci_probe(struct pci_dev hw->max_signal = 100; /* link quality indication (%) */ /* Tell mac80211 our Tx characteristics */ - hw->flags = IEEE80211_HW_WEP_INCLUDE_IV | - IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE; + hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE; + /* 4 EDCA QOS priorities */ hw->queues = 4; spin_lock_init(&priv->lock); @@ -8323,7 +8566,8 @@ static int iwl_pci_probe(struct pci_dev pci_set_master(pdev); - iwl_clear_stations_table(priv); + /* Clear the driver's (not device's) station table */ + iwl3945_clear_stations_table(priv); priv->data_retry_limit = -1; priv->ieee_channels = NULL; @@ -8342,9 +8586,11 @@ static int iwl_pci_probe(struct pci_dev err = pci_request_regions(pdev, DRV_NAME); if (err) goto out_pci_disable_device; + /* We disable the RETRY_TIMEOUT register (0x41) to keep * PCI Tx retries from interfering with C3 CPU state */ pci_write_config_byte(pdev, 0x41, 0x00); + priv->hw_base = pci_iomap(pdev, 0, 0); if (!priv->hw_base) { err = -ENODEV; @@ -8357,7 +8603,8 @@ static int iwl_pci_probe(struct pci_dev /* Initialize module parameter values here */ - if (iwl_param_disable) { + /* Disable radio (SW RF KILL) via parameter when loading driver */ + if (iwl3945_param_disable) { set_bit(STATUS_RF_KILL_SW, &priv->status); IWL_DEBUG_INFO("Radio disabled.\n"); } @@ -8392,34 +8639,36 @@ static int iwl_pci_probe(struct pci_dev priv->is_abg ? "A" : ""); /* Device-specific setup */ - if (iwl_hw_set_hw_setting(priv)) { + if (iwl3945_hw_set_hw_setting(priv)) { IWL_ERROR("failed to set hw settings\n"); mutex_unlock(&priv->mutex); goto out_iounmap; } -#ifdef CONFIG_IWLWIFI_QOS - if (iwl_param_qos_enable) +#ifdef CONFIG_IWL3945_QOS + if (iwl3945_param_qos_enable) priv->qos_data.qos_enable = 1; - iwl_reset_qos(priv); + iwl3945_reset_qos(priv); priv->qos_data.qos_active = 0; priv->qos_data.qos_cap.val = 0; -#endif /* CONFIG_IWLWIFI_QOS */ +#endif /* CONFIG_IWL3945_QOS */ - iwl_set_rxon_channel(priv, MODE_IEEE80211G, 6); - iwl_setup_deferred_work(priv); - iwl_setup_rx_handlers(priv); + iwl3945_set_rxon_channel(priv, MODE_IEEE80211G, 6); + iwl3945_setup_deferred_work(priv); + iwl3945_setup_rx_handlers(priv); priv->rates_mask = IWL_RATES_MASK; /* If power management is turned on, default to AC mode */ priv->power_mode = IWL_POWER_AC; priv->user_txpower_limit = IWL_DEFAULT_TX_POWER; + iwl3945_disable_interrupts(priv); + pci_enable_msi(pdev); - err = request_irq(pdev->irq, iwl_isr, IRQF_SHARED, DRV_NAME, priv); + err = request_irq(pdev->irq, iwl3945_isr, IRQF_SHARED, DRV_NAME, priv); if (err) { IWL_ERROR("Error allocating IRQ %d\n", pdev->irq); goto out_disable_msi; @@ -8427,7 +8676,7 @@ static int iwl_pci_probe(struct pci_dev mutex_lock(&priv->mutex); - err = sysfs_create_group(&pdev->dev.kobj, &iwl_attribute_group); + err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group); if (err) { IWL_ERROR("failed to create sysfs device attributes\n"); mutex_unlock(&priv->mutex); @@ -8436,7 +8685,7 @@ static int iwl_pci_probe(struct pci_dev /* fetch ucode file from disk, alloc and copy to bus-master buffers ... * ucode filename and max sizes are card-specific. */ - err = iwl_read_ucode(priv); + err = iwl3945_read_ucode(priv); if (err) { IWL_ERROR("Could not read microcode: %d\n", err); mutex_unlock(&priv->mutex); @@ -8445,16 +8694,16 @@ static int iwl_pci_probe(struct pci_dev mutex_unlock(&priv->mutex); - IWL_DEBUG_INFO("Queing UP work.\n"); + IWL_DEBUG_INFO("Queueing UP work.\n"); queue_work(priv->workqueue, &priv->up); return 0; out_pci_alloc: - iwl_dealloc_ucode_pci(priv); + iwl3945_dealloc_ucode_pci(priv); - sysfs_remove_group(&pdev->dev.kobj, &iwl_attribute_group); + sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); out_release_irq: free_irq(pdev->irq, priv); @@ -8463,7 +8712,7 @@ static int iwl_pci_probe(struct pci_dev pci_disable_msi(pdev); destroy_workqueue(priv->workqueue); priv->workqueue = NULL; - iwl_unset_hw_setting(priv); + iwl3945_unset_hw_setting(priv); out_iounmap: pci_iounmap(pdev, priv->hw_base); @@ -8478,9 +8727,9 @@ static int iwl_pci_probe(struct pci_dev return err; } -static void iwl_pci_remove(struct pci_dev *pdev) +static void iwl3945_pci_remove(struct pci_dev *pdev) { - struct iwl_priv *priv = pci_get_drvdata(pdev); + struct iwl3945_priv *priv = pci_get_drvdata(pdev); struct list_head *p, *q; int i; @@ -8491,34 +8740,37 @@ static void iwl_pci_remove(struct pci_de mutex_lock(&priv->mutex); set_bit(STATUS_EXIT_PENDING, &priv->status); - __iwl_down(priv); + __iwl3945_down(priv); mutex_unlock(&priv->mutex); /* Free MAC hash list for ADHOC */ for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) { list_for_each_safe(p, q, &priv->ibss_mac_hash[i]) { list_del(p); - kfree(list_entry(p, struct iwl_ibss_seq, list)); + kfree(list_entry(p, struct iwl3945_ibss_seq, list)); } } - sysfs_remove_group(&pdev->dev.kobj, &iwl_attribute_group); + sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); - iwl_dealloc_ucode_pci(priv); + iwl3945_dealloc_ucode_pci(priv); if (priv->rxq.bd) - iwl_rx_queue_free(priv, &priv->rxq); - iwl_hw_txq_ctx_free(priv); + iwl3945_rx_queue_free(priv, &priv->rxq); + iwl3945_hw_txq_ctx_free(priv); - iwl_unset_hw_setting(priv); - iwl_clear_stations_table(priv); + iwl3945_unset_hw_setting(priv); + iwl3945_clear_stations_table(priv); if (priv->mac80211_registered) { ieee80211_unregister_hw(priv->hw); - iwl_rate_control_unregister(priv->hw); + iwl3945_rate_control_unregister(priv->hw); } - /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes + /*netif_stop_queue(dev); */ + flush_workqueue(priv->workqueue); + + /* ieee80211_unregister_hw calls iwl3945_mac_stop, which flushes * priv->workqueue... so we can't take down the workqueue * until now... */ destroy_workqueue(priv->workqueue); @@ -8544,16 +8796,16 @@ static void iwl_pci_remove(struct pci_de #ifdef CONFIG_PM -static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) +static int iwl3945_pci_suspend(struct pci_dev *pdev, pm_message_t state) { - struct iwl_priv *priv = pci_get_drvdata(pdev); + struct iwl3945_priv *priv = pci_get_drvdata(pdev); mutex_lock(&priv->mutex); set_bit(STATUS_IN_SUSPEND, &priv->status); /* Take down the device; powers it off, etc. */ - __iwl_down(priv); + __iwl3945_down(priv); if (priv->mac80211_registered) ieee80211_stop_queues(priv->hw); @@ -8567,7 +8819,7 @@ static int iwl_pci_suspend(struct pci_de return 0; } -static void iwl_resume(struct iwl_priv *priv) +static void iwl3945_resume(struct iwl3945_priv *priv) { unsigned long flags; @@ -8576,47 +8828,47 @@ static void iwl_resume(struct iwl_priv * * Without all of the following, resume will not attempt to take * down the NIC (it shouldn't really need to) and will just try * and bring the NIC back up. However that fails during the - * ucode verification process. This then causes iwl_down to be - * called *after* iwl_hw_nic_init() has succeeded -- which + * ucode verification process. This then causes iwl3945_down to be + * called *after* iwl3945_hw_nic_init() has succeeded -- which * then lets the next init sequence succeed. So, we've * replicated all of that NIC init code here... */ - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); + iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF); - iwl_hw_nic_init(priv); + iwl3945_hw_nic_init(priv); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); - iwl_write32(priv, CSR_INT, 0xFFFFFFFF); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl3945_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); /* tell the device to stop sending interrupts */ - iwl_disable_interrupts(priv); + iwl3945_disable_interrupts(priv); spin_lock_irqsave(&priv->lock, flags); - iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + iwl3945_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - if (!iwl_grab_restricted_access(priv)) { - iwl_write_restricted_reg(priv, APMG_CLK_DIS_REG, + if (!iwl3945_grab_nic_access(priv)) { + iwl3945_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); - iwl_release_restricted_access(priv); + iwl3945_release_nic_access(priv); } spin_unlock_irqrestore(&priv->lock, flags); udelay(5); - iwl_hw_nic_reset(priv); + iwl3945_hw_nic_reset(priv); /* Bring the device back up */ clear_bit(STATUS_IN_SUSPEND, &priv->status); queue_work(priv->workqueue, &priv->up); } -static int iwl_pci_resume(struct pci_dev *pdev) +static int iwl3945_pci_resume(struct pci_dev *pdev) { - struct iwl_priv *priv = pci_get_drvdata(pdev); + struct iwl3945_priv *priv = pci_get_drvdata(pdev); int err; printk(KERN_INFO "Coming out of suspend...\n"); @@ -8635,7 +8887,7 @@ static int iwl_pci_resume(struct pci_dev */ pci_write_config_byte(pdev, 0x41, 0x00); - iwl_resume(priv); + iwl3945_resume(priv); mutex_unlock(&priv->mutex); return 0; @@ -8649,33 +8901,33 @@ static int iwl_pci_resume(struct pci_dev * *****************************************************************************/ -static struct pci_driver iwl_driver = { +static struct pci_driver iwl3945_driver = { .name = DRV_NAME, - .id_table = iwl_hw_card_ids, - .probe = iwl_pci_probe, - .remove = __devexit_p(iwl_pci_remove), + .id_table = iwl3945_hw_card_ids, + .probe = iwl3945_pci_probe, + .remove = __devexit_p(iwl3945_pci_remove), #ifdef CONFIG_PM - .suspend = iwl_pci_suspend, - .resume = iwl_pci_resume, + .suspend = iwl3945_pci_suspend, + .resume = iwl3945_pci_resume, #endif }; -static int __init iwl_init(void) +static int __init iwl3945_init(void) { int ret; printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n"); printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n"); - ret = pci_register_driver(&iwl_driver); + ret = pci_register_driver(&iwl3945_driver); if (ret) { IWL_ERROR("Unable to initialize PCI module\n"); return ret; } -#ifdef CONFIG_IWLWIFI_DEBUG - ret = driver_create_file(&iwl_driver.driver, &driver_attr_debug_level); +#ifdef CONFIG_IWL3945_DEBUG + ret = driver_create_file(&iwl3945_driver.driver, &driver_attr_debug_level); if (ret) { IWL_ERROR("Unable to create driver sysfs file\n"); - pci_unregister_driver(&iwl_driver); + pci_unregister_driver(&iwl3945_driver); return ret; } #endif @@ -8683,32 +8935,32 @@ static int __init iwl_init(void) return ret; } -static void __exit iwl_exit(void) +static void __exit iwl3945_exit(void) { -#ifdef CONFIG_IWLWIFI_DEBUG - driver_remove_file(&iwl_driver.driver, &driver_attr_debug_level); +#ifdef CONFIG_IWL3945_DEBUG + driver_remove_file(&iwl3945_driver.driver, &driver_attr_debug_level); #endif - pci_unregister_driver(&iwl_driver); + pci_unregister_driver(&iwl3945_driver); } -module_param_named(antenna, iwl_param_antenna, int, 0444); +module_param_named(antenna, iwl3945_param_antenna, int, 0444); MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])"); -module_param_named(disable, iwl_param_disable, int, 0444); +module_param_named(disable, iwl3945_param_disable, int, 0444); MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])"); -module_param_named(hwcrypto, iwl_param_hwcrypto, int, 0444); +module_param_named(hwcrypto, iwl3945_param_hwcrypto, int, 0444); MODULE_PARM_DESC(hwcrypto, "using hardware crypto engine (default 0 [software])\n"); -module_param_named(debug, iwl_param_debug, int, 0444); +module_param_named(debug, iwl3945_param_debug, int, 0444); MODULE_PARM_DESC(debug, "debug output mask"); -module_param_named(disable_hw_scan, iwl_param_disable_hw_scan, int, 0444); +module_param_named(disable_hw_scan, iwl3945_param_disable_hw_scan, int, 0444); MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); -module_param_named(queues_num, iwl_param_queues_num, int, 0444); +module_param_named(queues_num, iwl3945_param_queues_num, int, 0444); MODULE_PARM_DESC(queues_num, "number of hw queues."); /* QoS */ -module_param_named(qos_enable, iwl_param_qos_enable, int, 0444); +module_param_named(qos_enable, iwl3945_param_qos_enable, int, 0444); MODULE_PARM_DESC(qos_enable, "enable all QoS functionality"); -module_exit(iwl_exit); -module_init(iwl_init); +module_exit(iwl3945_exit); +module_init(iwl3945_init); --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-3945-hw.h.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-3945-hw.h 2007-12-14 11:02:03.000000000 -0500 @@ -8,7 +8,7 @@ * Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU Geeral Public License as + * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but @@ -60,58 +60,646 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ +/* + * Please use this file (iwl-3945-hw.h) only for hardware-related definitions. + * Please use iwl-3945-commands.h for uCode API definitions. + * Please use iwl-3945.h for driver implementation definitions. + */ #ifndef __iwl_3945_hw__ #define __iwl_3945_hw__ -#define IWL_RX_BUF_SIZE 3000 -/* card static random access memory (SRAM) for processor data and instructs */ +/* + * uCode queue management definitions ... + * Queue #4 is the command queue for 3945 and 4965. + */ +#define IWL_CMD_QUEUE_NUM 4 + +/* Tx rates */ +#define IWL_CCK_RATES 4 +#define IWL_OFDM_RATES 8 +#define IWL_HT_RATES 0 +#define IWL_MAX_RATES (IWL_CCK_RATES+IWL_OFDM_RATES+IWL_HT_RATES) + +/* Time constants */ +#define SHORT_SLOT_TIME 9 +#define LONG_SLOT_TIME 20 + +/* RSSI to dBm */ +#define IWL_RSSI_OFFSET 95 + +/* + * EEPROM related constants, enums, and structures. + */ + +/* + * EEPROM access time values: + * + * Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG, + * then clearing (with subsequent read/modify/write) CSR_EEPROM_REG bit + * CSR_EEPROM_REG_BIT_CMD (0x2). + * Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1). + * When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec. + * Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG. + */ +#define IWL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */ +#define IWL_EEPROM_ACCESS_DELAY 10 /* uSec */ + +/* + * Regulatory channel usage flags in EEPROM struct iwl_eeprom_channel.flags. + * + * IBSS and/or AP operation is allowed *only* on those channels with + * (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because + * RADAR detection is not supported by the 3945 driver, but is a + * requirement for establishing a new network for legal operation on channels + * requiring RADAR detection or restricting ACTIVE scanning. + * + * NOTE: "WIDE" flag indicates that 20 MHz channel is supported; + * 3945 does not support FAT 40 MHz-wide channels. + * + * NOTE: Using a channel inappropriately will result in a uCode error! + */ +enum { + EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */ + EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */ + /* Bit 2 Reserved */ + EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */ + EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */ + EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */ + EEPROM_CHANNEL_NARROW = (1 << 6), /* 10 MHz channel (not used) */ + EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */ +}; + +/* SKU Capabilities */ +#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0) +#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1) +#define EEPROM_SKU_CAP_OP_MODE_MRC (1 << 7) + +/* *regulatory* channel data from eeprom, one for each channel */ +struct iwl3945_eeprom_channel { + u8 flags; /* flags copied from EEPROM */ + s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */ +} __attribute__ ((packed)); + +/* + * Mapping of a Tx power level, at factory calibration temperature, + * to a radio/DSP gain table index. + * One for each of 5 "sample" power levels in each band. + * v_det is measured at the factory, using the 3945's built-in power amplifier + * (PA) output voltage detector. This same detector is used during Tx of + * long packets in normal operation to provide feedback as to proper output + * level. + * Data copied from EEPROM. + * DO NOT ALTER THIS STRUCTURE!!! + */ +struct iwl3945_eeprom_txpower_sample { + u8 gain_index; /* index into power (gain) setup table ... */ + s8 power; /* ... for this pwr level for this chnl group */ + u16 v_det; /* PA output voltage */ +} __attribute__ ((packed)); + +/* + * Mappings of Tx power levels -> nominal radio/DSP gain table indexes. + * One for each channel group (a.k.a. "band") (1 for BG, 4 for A). + * Tx power setup code interpolates between the 5 "sample" power levels + * to determine the nominal setup for a requested power level. + * Data copied from EEPROM. + * DO NOT ALTER THIS STRUCTURE!!! + */ +struct iwl3945_eeprom_txpower_group { + struct iwl3945_eeprom_txpower_sample samples[5]; /* 5 power levels */ + s32 a, b, c, d, e; /* coefficients for voltage->power + * formula (signed) */ + s32 Fa, Fb, Fc, Fd, Fe; /* these modify coeffs based on + * frequency (signed) */ + s8 saturation_power; /* highest power possible by h/w in this + * band */ + u8 group_channel; /* "representative" channel # in this band */ + s16 temperature; /* h/w temperature at factory calib this band + * (signed) */ +} __attribute__ ((packed)); + +/* + * Temperature-based Tx-power compensation data, not band-specific. + * These coefficients are use to modify a/b/c/d/e coeffs based on + * difference between current temperature and factory calib temperature. + * Data copied from EEPROM. + */ +struct iwl3945_eeprom_temperature_corr { + u32 Ta; + u32 Tb; + u32 Tc; + u32 Td; + u32 Te; +} __attribute__ ((packed)); + +/* + * EEPROM map + */ +struct iwl3945_eeprom { + u8 reserved0[16]; +#define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */ + u16 device_id; /* abs.ofs: 16 */ + u8 reserved1[2]; +#define EEPROM_PMC (2*0x0A) /* 2 bytes */ + u16 pmc; /* abs.ofs: 20 */ + u8 reserved2[20]; +#define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */ + u8 mac_address[6]; /* abs.ofs: 42 */ + u8 reserved3[58]; +#define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */ + u16 board_revision; /* abs.ofs: 106 */ + u8 reserved4[11]; +#define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */ + u8 board_pba_number[9]; /* abs.ofs: 119 */ + u8 reserved5[8]; +#define EEPROM_VERSION (2*0x44) /* 2 bytes */ + u16 version; /* abs.ofs: 136 */ +#define EEPROM_SKU_CAP (2*0x45) /* 1 bytes */ + u8 sku_cap; /* abs.ofs: 138 */ +#define EEPROM_LEDS_MODE (2*0x45+1) /* 1 bytes */ + u8 leds_mode; /* abs.ofs: 139 */ +#define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */ + u16 oem_mode; +#define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */ + u16 wowlan_mode; /* abs.ofs: 142 */ +#define EEPROM_LEDS_TIME_INTERVAL (2*0x48) /* 2 bytes */ + u16 leds_time_interval; /* abs.ofs: 144 */ +#define EEPROM_LEDS_OFF_TIME (2*0x49) /* 1 bytes */ + u8 leds_off_time; /* abs.ofs: 146 */ +#define EEPROM_LEDS_ON_TIME (2*0x49+1) /* 1 bytes */ + u8 leds_on_time; /* abs.ofs: 147 */ +#define EEPROM_ALMGOR_M_VERSION (2*0x4A) /* 1 bytes */ + u8 almgor_m_version; /* abs.ofs: 148 */ +#define EEPROM_ANTENNA_SWITCH_TYPE (2*0x4A+1) /* 1 bytes */ + u8 antenna_switch_type; /* abs.ofs: 149 */ + u8 reserved6[42]; +#define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */ + u8 sku_id[4]; /* abs.ofs: 192 */ + +/* + * Per-channel regulatory data. + * + * Each channel that *might* be supported by 3945 or 4965 has a fixed location + * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory + * txpower (MSB). + * + * Entries immediately below are for 20 MHz channel width. FAT (40 MHz) + * channels (only for 4965, not supported by 3945) appear later in the EEPROM. + * + * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 + */ +#define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */ + u16 band_1_count; /* abs.ofs: 196 */ +#define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */ + struct iwl3945_eeprom_channel band_1_channels[14]; /* abs.ofs: 196 */ + +/* + * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196, + * 5.0 GHz channels 7, 8, 11, 12, 16 + * (4915-5080MHz) (none of these is ever supported) + */ +#define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */ + u16 band_2_count; /* abs.ofs: 226 */ +#define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */ + struct iwl3945_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */ + +/* + * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 + * (5170-5320MHz) + */ +#define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */ + u16 band_3_count; /* abs.ofs: 254 */ +#define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */ + struct iwl3945_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */ + +/* + * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 + * (5500-5700MHz) + */ +#define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */ + u16 band_4_count; /* abs.ofs: 280 */ +#define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */ + struct iwl3945_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */ + +/* + * 5.7 GHz channels 145, 149, 153, 157, 161, 165 + * (5725-5825MHz) + */ +#define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */ + u16 band_5_count; /* abs.ofs: 304 */ +#define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */ + struct iwl3945_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */ + + u8 reserved9[194]; + +/* + * 3945 Txpower calibration data. + */ +#define EEPROM_TXPOWER_CALIB_GROUP0 0x200 +#define EEPROM_TXPOWER_CALIB_GROUP1 0x240 +#define EEPROM_TXPOWER_CALIB_GROUP2 0x280 +#define EEPROM_TXPOWER_CALIB_GROUP3 0x2c0 +#define EEPROM_TXPOWER_CALIB_GROUP4 0x300 +#define IWL_NUM_TX_CALIB_GROUPS 5 + struct iwl3945_eeprom_txpower_group groups[IWL_NUM_TX_CALIB_GROUPS]; +/* abs.ofs: 512 */ +#define EEPROM_CALIB_TEMPERATURE_CORRECT 0x340 + struct iwl3945_eeprom_temperature_corr corrections; /* abs.ofs: 832 */ + u8 reserved16[172]; /* fill out to full 1024 byte block */ +} __attribute__ ((packed)); + +#define IWL_EEPROM_IMAGE_SIZE 1024 + +/* End of EEPROM */ + + +#include "iwl-3945-commands.h" + +#define PCI_LINK_CTRL 0x0F0 +#define PCI_POWER_SOURCE 0x0C8 +#define PCI_REG_WUM8 0x0E8 +#define PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT (0x80000000) + +/*=== CSR (control and status registers) ===*/ +#define CSR_BASE (0x000) + +#define CSR_SW_VER (CSR_BASE+0x000) +#define CSR_HW_IF_CONFIG_REG (CSR_BASE+0x000) /* hardware interface config */ +#define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */ +#define CSR_INT (CSR_BASE+0x008) /* host interrupt status/ack */ +#define CSR_INT_MASK (CSR_BASE+0x00c) /* host interrupt enable */ +#define CSR_FH_INT_STATUS (CSR_BASE+0x010) /* busmaster int status/ack*/ +#define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ +#define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ +#define CSR_GP_CNTRL (CSR_BASE+0x024) + +/* + * Hardware revision info + * Bit fields: + * 31-8: Reserved + * 7-4: Type of device: 0x0 = 4965, 0xd = 3945 + * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D + * 1-0: "Dash" value, as in A-1, etc. + */ +#define CSR_HW_REV (CSR_BASE+0x028) + +/* EEPROM reads */ +#define CSR_EEPROM_REG (CSR_BASE+0x02c) +#define CSR_EEPROM_GP (CSR_BASE+0x030) +#define CSR_GP_UCODE (CSR_BASE+0x044) +#define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) +#define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) +#define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) +#define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) +#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) + +/* Analog phase-lock-loop configuration (3945 only) + * Set bit 24. */ +#define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) + +/* Bits for CSR_HW_IF_CONFIG_REG */ +#define CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MB (0x00000100) +#define CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MM (0x00000200) +#define CSR_HW_IF_CONFIG_REG_BIT_SKU_MRC (0x00000400) +#define CSR_HW_IF_CONFIG_REG_BIT_BOARD_TYPE (0x00000800) +#define CSR_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A (0x00000000) +#define CSR_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B (0x00001000) +#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) + +/* interrupt flags in INTA, set by uCode or hardware (e.g. dma), + * acknowledged (reset) by host writing "1" to flagged bits. */ +#define CSR_INT_BIT_FH_RX (1<<31) /* Rx DMA, cmd responses, FH_INT[17:16] */ +#define CSR_INT_BIT_HW_ERR (1<<29) /* DMA hardware error FH_INT[31] */ +#define CSR_INT_BIT_DNLD (1<<28) /* uCode Download */ +#define CSR_INT_BIT_FH_TX (1<<27) /* Tx DMA FH_INT[1:0] */ +#define CSR_INT_BIT_MAC_CLK_ACTV (1<<26) /* NIC controller's clock toggled on/off */ +#define CSR_INT_BIT_SW_ERR (1<<25) /* uCode error */ +#define CSR_INT_BIT_RF_KILL (1<<7) /* HW RFKILL switch GP_CNTRL[27] toggled */ +#define CSR_INT_BIT_CT_KILL (1<<6) /* Critical temp (chip too hot) rfkill */ +#define CSR_INT_BIT_SW_RX (1<<3) /* Rx, command responses, 3945 */ +#define CSR_INT_BIT_WAKEUP (1<<1) /* NIC controller waking up (pwr mgmt) */ +#define CSR_INT_BIT_ALIVE (1<<0) /* uCode interrupts once it initializes */ + +#define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ + CSR_INT_BIT_HW_ERR | \ + CSR_INT_BIT_FH_TX | \ + CSR_INT_BIT_SW_ERR | \ + CSR_INT_BIT_RF_KILL | \ + CSR_INT_BIT_SW_RX | \ + CSR_INT_BIT_WAKEUP | \ + CSR_INT_BIT_ALIVE) + +/* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ +#define CSR_FH_INT_BIT_ERR (1<<31) /* Error */ +#define CSR_FH_INT_BIT_HI_PRIOR (1<<30) /* High priority Rx, bypass coalescing */ +#define CSR_FH_INT_BIT_RX_CHNL2 (1<<18) /* Rx channel 2 (3945 only) */ +#define CSR_FH_INT_BIT_RX_CHNL1 (1<<17) /* Rx channel 1 */ +#define CSR_FH_INT_BIT_RX_CHNL0 (1<<16) /* Rx channel 0 */ +#define CSR_FH_INT_BIT_TX_CHNL6 (1<<6) /* Tx channel 6 (3945 only) */ +#define CSR_FH_INT_BIT_TX_CHNL1 (1<<1) /* Tx channel 1 */ +#define CSR_FH_INT_BIT_TX_CHNL0 (1<<0) /* Tx channel 0 */ + +#define CSR_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ + CSR_FH_INT_BIT_RX_CHNL2 | \ + CSR_FH_INT_BIT_RX_CHNL1 | \ + CSR_FH_INT_BIT_RX_CHNL0) + +#define CSR_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL6 | \ + CSR_FH_INT_BIT_TX_CHNL1 | \ + CSR_FH_INT_BIT_TX_CHNL0 ) + + +/* RESET */ +#define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) +#define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) +#define CSR_RESET_REG_FLAG_SW_RESET (0x00000080) +#define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) +#define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) + +/* GP (general purpose) CONTROL */ +#define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001) +#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) +#define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008) +#define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) + +#define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001) + +#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) +#define CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE (0x04000000) +#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) + + +/* EEPROM REG */ +#define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) +#define CSR_EEPROM_REG_BIT_CMD (0x00000002) + +/* EEPROM GP */ +#define CSR_EEPROM_GP_VALID_MSK (0x00000006) +#define CSR_EEPROM_GP_BAD_SIGNATURE (0x00000000) +#define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) + +/* UCODE DRV GP */ +#define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) +#define CSR_UCODE_SW_BIT_RFKILL (0x00000002) +#define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) +#define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) + +/* GPIO */ +#define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) +#define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) +#define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC CSR_GPIO_IN_BIT_AUX_POWER + +/* GI Chicken Bits */ +#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) +#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) + +/* CSR_ANA_PLL_CFG */ +#define CSR_ANA_PLL_CFG_SH (0x00880300) + +/*=== HBUS (Host-side Bus) ===*/ +#define HBUS_BASE (0x400) + +/* + * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM + * structures, error log, event log, verifying uCode load). + * First write to address register, then read from or write to data register + * to complete the job. Once the address register is set up, accesses to + * data registers auto-increment the address by one dword. + * Bit usage for address registers (read or write): + * 0-31: memory address within device + */ +#define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) +#define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) +#define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) +#define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) + +/* + * Registers for accessing device's internal peripheral registers + * (e.g. SCD, BSM, etc.). First write to address register, + * then read from or write to data register to complete the job. + * Bit usage for address registers (read or write): + * 0-15: register address (offset) within device + * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) + */ +#define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) +#define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) +#define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) +#define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) + +/* + * Per-Tx-queue write pointer (index, really!) (3945 and 4965). + * Indicates index to next TFD that driver will fill (1 past latest filled). + * Bit usage: + * 0-7: queue write index + * 11-8: queue selector + */ +#define HBUS_TARG_WRPTR (HBUS_BASE+0x060) + +/* SCD (3945 Tx Frame Scheduler) */ +#define SCD_BASE (CSR_BASE + 0x2E00) + +#define SCD_MODE_REG (SCD_BASE + 0x000) +#define SCD_ARASTAT_REG (SCD_BASE + 0x004) +#define SCD_TXFACT_REG (SCD_BASE + 0x010) +#define SCD_TXF4MF_REG (SCD_BASE + 0x014) +#define SCD_TXF5MF_REG (SCD_BASE + 0x020) +#define SCD_SBYP_MODE_1_REG (SCD_BASE + 0x02C) +#define SCD_SBYP_MODE_2_REG (SCD_BASE + 0x030) + +/*=== FH (data Flow Handler) ===*/ +#define FH_BASE (0x800) + +#define FH_CBCC_TABLE (FH_BASE+0x140) +#define FH_TFDB_TABLE (FH_BASE+0x180) +#define FH_RCSR_TABLE (FH_BASE+0x400) +#define FH_RSSR_TABLE (FH_BASE+0x4c0) +#define FH_TCSR_TABLE (FH_BASE+0x500) +#define FH_TSSR_TABLE (FH_BASE+0x680) + +/* TFDB (Transmit Frame Buffer Descriptor) */ +#define FH_TFDB(_channel, buf) \ + (FH_TFDB_TABLE+((_channel)*2+(buf))*0x28) +#define ALM_FH_TFDB_CHNL_BUF_CTRL_REG(_channel) \ + (FH_TFDB_TABLE + 0x50 * _channel) +/* CBCC _channel is [0,2] */ +#define FH_CBCC(_channel) (FH_CBCC_TABLE+(_channel)*0x8) +#define FH_CBCC_CTRL(_channel) (FH_CBCC(_channel)+0x00) +#define FH_CBCC_BASE(_channel) (FH_CBCC(_channel)+0x04) + +/* RCSR _channel is [0,2] */ +#define FH_RCSR(_channel) (FH_RCSR_TABLE+(_channel)*0x40) +#define FH_RCSR_CONFIG(_channel) (FH_RCSR(_channel)+0x00) +#define FH_RCSR_RBD_BASE(_channel) (FH_RCSR(_channel)+0x04) +#define FH_RCSR_WPTR(_channel) (FH_RCSR(_channel)+0x20) +#define FH_RCSR_RPTR_ADDR(_channel) (FH_RCSR(_channel)+0x24) + +#define FH_RSCSR_CHNL0_WPTR (FH_RCSR_WPTR(0)) + +/* RSSR */ +#define FH_RSSR_CTRL (FH_RSSR_TABLE+0x000) +#define FH_RSSR_STATUS (FH_RSSR_TABLE+0x004) +/* TCSR */ +#define FH_TCSR(_channel) (FH_TCSR_TABLE+(_channel)*0x20) +#define FH_TCSR_CONFIG(_channel) (FH_TCSR(_channel)+0x00) +#define FH_TCSR_CREDIT(_channel) (FH_TCSR(_channel)+0x04) +#define FH_TCSR_BUFF_STTS(_channel) (FH_TCSR(_channel)+0x08) +/* TSSR */ +#define FH_TSSR_CBB_BASE (FH_TSSR_TABLE+0x000) +#define FH_TSSR_MSG_CONFIG (FH_TSSR_TABLE+0x008) +#define FH_TSSR_TX_STATUS (FH_TSSR_TABLE+0x010) + + +/* DBM */ + +#define ALM_FH_SRVC_CHNL (6) + +#define ALM_FH_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE (20) +#define ALM_FH_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH (4) + +#define ALM_FH_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN (0x08000000) + +#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE (0x80000000) + +#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE (0x20000000) + +#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128 (0x01000000) + +#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST (0x00001000) + +#define ALM_FH_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH (0x00000000) + +#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF (0x00000000) +#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER (0x00000001) + +#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL (0x00000000) +#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL (0x00000008) + +#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD (0x00200000) + +#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT (0x00000000) + +#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE (0x00000000) +#define ALM_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE (0x80000000) + +#define ALM_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID (0x00004000) + +#define ALM_FH_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR (0x00000001) + +#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON (0xFF000000) +#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON (0x00FF0000) + +#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B (0x00000400) + +#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON (0x00000100) +#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON (0x00000080) + +#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH (0x00000020) +#define ALM_FH_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH (0x00000005) + +#define ALM_TB_MAX_BYTES_COUNT (0xFFF0) + +#define ALM_FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_channel) \ + ((1LU << _channel) << 24) +#define ALM_FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_channel) \ + ((1LU << _channel) << 16) + +#define ALM_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_channel) \ + (ALM_FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_channel) | \ + ALM_FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_channel)) +#define PCI_CFG_REV_ID_BIT_BASIC_SKU (0x40) /* bit 6 */ +#define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */ + +#define TFD_QUEUE_MIN 0 +#define TFD_QUEUE_MAX 6 +#define TFD_QUEUE_SIZE_MAX (256) + +#define IWL_NUM_SCAN_RATES (2) + +#define IWL_DEFAULT_TX_RETRY 15 + +/*********************************************/ + +#define RFD_SIZE 4 +#define NUM_TFD_CHUNKS 4 + +#define RX_QUEUE_SIZE 256 +#define RX_QUEUE_MASK 255 +#define RX_QUEUE_SIZE_LOG 8 + +#define U32_PAD(n) ((4-(n))&0x3) + +#define TFD_CTL_COUNT_SET(n) (n<<24) +#define TFD_CTL_COUNT_GET(ctl) ((ctl>>24) & 7) +#define TFD_CTL_PAD_SET(n) (n<<28) +#define TFD_CTL_PAD_GET(ctl) (ctl>>28) + +#define TFD_TX_CMD_SLOTS 256 +#define TFD_CMD_SLOTS 32 + +#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \ + sizeof(struct iwl3945_cmd_meta)) + +/* + * RX related structures and functions + */ +#define RX_FREE_BUFFERS 64 +#define RX_LOW_WATERMARK 8 + +/* Sizes and addresses for instruction and data memory (SRAM) in + * 3945's embedded processor. Driver access is via HBUS_TARG_MEM_* regs. */ +#define RTC_INST_LOWER_BOUND (0x000000) #define ALM_RTC_INST_UPPER_BOUND (0x014000) + +#define RTC_DATA_LOWER_BOUND (0x800000) #define ALM_RTC_DATA_UPPER_BOUND (0x808000) #define ALM_RTC_INST_SIZE (ALM_RTC_INST_UPPER_BOUND - RTC_INST_LOWER_BOUND) #define ALM_RTC_DATA_SIZE (ALM_RTC_DATA_UPPER_BOUND - RTC_DATA_LOWER_BOUND) -#define IWL_MAX_BSM_SIZE ALM_RTC_INST_SIZE #define IWL_MAX_INST_SIZE ALM_RTC_INST_SIZE #define IWL_MAX_DATA_SIZE ALM_RTC_DATA_SIZE + +/* Size of uCode instruction memory in bootstrap state machine */ +#define IWL_MAX_BSM_SIZE ALM_RTC_INST_SIZE + #define IWL_MAX_NUM_QUEUES 8 -static inline int iwl_hw_valid_rtc_data_addr(u32 addr) +static inline int iwl3945_hw_valid_rtc_data_addr(u32 addr) { return (addr >= RTC_DATA_LOWER_BOUND) && (addr < ALM_RTC_DATA_UPPER_BOUND); } -/* Base physical address of iwl_shared is provided to FH_TSSR_CBB_BASE - * and &iwl_shared.rx_read_ptr[0] is provided to FH_RCSR_RPTR_ADDR(0) */ -struct iwl_shared { +/* Base physical address of iwl3945_shared is provided to FH_TSSR_CBB_BASE + * and &iwl3945_shared.rx_read_ptr[0] is provided to FH_RCSR_RPTR_ADDR(0) */ +struct iwl3945_shared { __le32 tx_base_ptr[8]; __le32 rx_read_ptr[3]; } __attribute__ ((packed)); -struct iwl_tfd_frame_data { +struct iwl3945_tfd_frame_data { __le32 addr; __le32 len; } __attribute__ ((packed)); -struct iwl_tfd_frame { +struct iwl3945_tfd_frame { __le32 control_flags; - struct iwl_tfd_frame_data pa[4]; + struct iwl3945_tfd_frame_data pa[4]; u8 reserved[28]; } __attribute__ ((packed)); -static inline u8 iwl_hw_get_rate(__le16 rate_n_flags) +static inline u8 iwl3945_hw_get_rate(__le16 rate_n_flags) { return le16_to_cpu(rate_n_flags) & 0xFF; } -static inline u16 iwl_hw_get_rate_n_flags(__le16 rate_n_flags) +static inline u16 iwl3945_hw_get_rate_n_flags(__le16 rate_n_flags) { return le16_to_cpu(rate_n_flags); } -static inline __le16 iwl_hw_set_rate_n_flags(u8 rate, u16 flags) +static inline __le16 iwl3945_hw_set_rate_n_flags(u8 rate, u16 flags) { return cpu_to_le16((u16)rate|flags); } --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-prph.h.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-prph.h 2007-12-14 11:02:03.000000000 -0500 @@ -8,7 +8,7 @@ * Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU Geeral Public License as + * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but @@ -63,7 +63,10 @@ #ifndef __iwl_prph_h__ #define __iwl_prph_h__ - +/* + * Registers in this file are internal, not PCI bus memory mapped. + * Driver accesses these via HBUS_TARG_PRPH_* registers. + */ #define PRPH_BASE (0x00000) #define PRPH_END (0xFFFFF) @@ -226,4 +229,58 @@ #define BSM_SRAM_SIZE (1024) /* bytes */ +/* 3945 Tx scheduler registers */ +#define ALM_SCD_BASE (PRPH_BASE + 0x2E00) +#define ALM_SCD_MODE_REG (ALM_SCD_BASE + 0x000) +#define ALM_SCD_ARASTAT_REG (ALM_SCD_BASE + 0x004) +#define ALM_SCD_TXFACT_REG (ALM_SCD_BASE + 0x010) +#define ALM_SCD_TXF4MF_REG (ALM_SCD_BASE + 0x014) +#define ALM_SCD_TXF5MF_REG (ALM_SCD_BASE + 0x020) +#define ALM_SCD_SBYP_MODE_1_REG (ALM_SCD_BASE + 0x02C) +#define ALM_SCD_SBYP_MODE_2_REG (ALM_SCD_BASE + 0x030) + +/* + * 4965 Tx Scheduler registers. + * Details are documented in iwl-4965-hw.h + */ +#define KDR_SCD_BASE (PRPH_BASE + 0xa02c00) + +#define KDR_SCD_SRAM_BASE_ADDR (KDR_SCD_BASE + 0x0) +#define KDR_SCD_EMPTY_BITS (KDR_SCD_BASE + 0x4) +#define KDR_SCD_DRAM_BASE_ADDR (KDR_SCD_BASE + 0x10) +#define KDR_SCD_AIT (KDR_SCD_BASE + 0x18) +#define KDR_SCD_TXFACT (KDR_SCD_BASE + 0x1c) +#define KDR_SCD_QUEUE_WRPTR(x) (KDR_SCD_BASE + 0x24 + (x) * 4) +#define KDR_SCD_QUEUE_RDPTR(x) (KDR_SCD_BASE + 0x64 + (x) * 4) +#define KDR_SCD_SETQUEUENUM (KDR_SCD_BASE + 0xa4) +#define KDR_SCD_SET_TXSTAT_TXED (KDR_SCD_BASE + 0xa8) +#define KDR_SCD_SET_TXSTAT_DONE (KDR_SCD_BASE + 0xac) +#define KDR_SCD_SET_TXSTAT_NOT_SCHD (KDR_SCD_BASE + 0xb0) +#define KDR_SCD_DECREASE_CREDIT (KDR_SCD_BASE + 0xb4) +#define KDR_SCD_DECREASE_SCREDIT (KDR_SCD_BASE + 0xb8) +#define KDR_SCD_LOAD_CREDIT (KDR_SCD_BASE + 0xbc) +#define KDR_SCD_LOAD_SCREDIT (KDR_SCD_BASE + 0xc0) +#define KDR_SCD_BAR (KDR_SCD_BASE + 0xc4) +#define KDR_SCD_BAR_DW0 (KDR_SCD_BASE + 0xc8) +#define KDR_SCD_BAR_DW1 (KDR_SCD_BASE + 0xcc) +#define KDR_SCD_QUEUECHAIN_SEL (KDR_SCD_BASE + 0xd0) +#define KDR_SCD_QUERY_REQ (KDR_SCD_BASE + 0xd8) +#define KDR_SCD_QUERY_RES (KDR_SCD_BASE + 0xdc) +#define KDR_SCD_PENDING_FRAMES (KDR_SCD_BASE + 0xe0) +#define KDR_SCD_INTERRUPT_MASK (KDR_SCD_BASE + 0xe4) +#define KDR_SCD_INTERRUPT_THRESHOLD (KDR_SCD_BASE + 0xe8) +#define KDR_SCD_QUERY_MIN_FRAME_SIZE (KDR_SCD_BASE + 0x100) +#define KDR_SCD_QUEUE_STATUS_BITS(x) (KDR_SCD_BASE + 0x104 + (x) * 4) + +/* SP SCD */ +#define SHL_SCD_BASE (PRPH_BASE + 0xa02c00) + +#define SHL_SCD_AIT (SHL_SCD_BASE + 0x0c) +#define SHL_SCD_TXFACT (SHL_SCD_BASE + 0x10) +#define SHL_SCD_QUEUE_WRPTR(x) (SHL_SCD_BASE + 0x18 + (x) * 4) +#define SHL_SCD_QUEUE_RDPTR(x) (SHL_SCD_BASE + 0x68 + (x) * 4) +#define SHL_SCD_QUEUECHAIN_SEL (SHL_SCD_BASE + 0xe8) +#define SHL_SCD_AGGR_SEL (SHL_SCD_BASE + 0x248) +#define SHL_SCD_INTERRUPT_MASK (SHL_SCD_BASE + 0x108) + #endif /* __iwl_prph_h__ */ --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-3945.h.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-3945.h 2007-12-14 11:02:03.000000000 -0500 @@ -23,19 +23,991 @@ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ +/* + * Please use this file (iwl-3945.h) for driver implementation definitions. + * Please use iwl-3945-commands.h for uCode API definitions. + * Please use iwl-3945-hw.h for hardware-related definitions. + */ #ifndef __iwl_3945_h__ #define __iwl_3945_h__ +#include /* for struct pci_device_id */ +#include +#include + +/* Hardware specific file defines the PCI IDs table for that hardware module */ +extern struct pci_device_id iwl3945_hw_card_ids[]; + +#define DRV_NAME "iwl3945" +#include "iwl-3945-hw.h" +#include "iwl-prph.h" +#include "iwl-3945-debug.h" + +/* Default noise level to report when noise measurement is not available. + * This may be because we're: + * 1) Not associated (4965, no beacon statistics being sent to driver) + * 2) Scanning (noise measurement does not apply to associated channel) + * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) + * Use default noise value of -127 ... this is below the range of measurable + * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. + * Also, -127 works better than 0 when averaging frames with/without + * noise info (e.g. averaging might be done in app); measured dBm values are + * always negative ... using a negative value as the default keeps all + * averages within an s8's (used in some apps) range of negative values. */ +#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) + +/* Module parameters accessible from iwl-*.c */ +extern int iwl3945_param_hwcrypto; +extern int iwl3945_param_queues_num; + +enum iwl3945_antenna { + IWL_ANTENNA_DIVERSITY, + IWL_ANTENNA_MAIN, + IWL_ANTENNA_AUX +}; + +/* + * RTS threshold here is total size [2347] minus 4 FCS bytes + * Per spec: + * a value of 0 means RTS on all data/management packets + * a value > max MSDU size means no RTS + * else RTS for data/management frames where MPDU is larger + * than RTS value. + */ +#define IWL_RX_BUF_SIZE 3000U +#define DEFAULT_RTS_THRESHOLD 2347U +#define MIN_RTS_THRESHOLD 0U +#define MAX_RTS_THRESHOLD 2347U +#define MAX_MSDU_SIZE 2304U +#define MAX_MPDU_SIZE 2346U +#define DEFAULT_BEACON_INTERVAL 100U +#define DEFAULT_SHORT_RETRY_LIMIT 7U +#define DEFAULT_LONG_RETRY_LIMIT 4U + +struct iwl3945_rx_mem_buffer { + dma_addr_t dma_addr; + struct sk_buff *skb; + struct list_head list; +}; + +struct iwl3945_rt_rx_hdr { + struct ieee80211_radiotap_header rt_hdr; + __le64 rt_tsf; /* TSF */ + u8 rt_flags; /* radiotap packet flags */ + u8 rt_rate; /* rate in 500kb/s */ + __le16 rt_channelMHz; /* channel in MHz */ + __le16 rt_chbitmask; /* channel bitfield */ + s8 rt_dbmsignal; /* signal in dBm, kluged to signed */ + s8 rt_dbmnoise; + u8 rt_antenna; /* antenna number */ + u8 payload[0]; /* payload... */ +} __attribute__ ((packed)); + +struct iwl3945_rt_tx_hdr { + struct ieee80211_radiotap_header rt_hdr; + u8 rt_rate; /* rate in 500kb/s */ + __le16 rt_channel; /* channel in mHz */ + __le16 rt_chbitmask; /* channel bitfield */ + s8 rt_dbmsignal; /* signal in dBm, kluged to signed */ + u8 rt_antenna; /* antenna number */ + u8 payload[0]; /* payload... */ +} __attribute__ ((packed)); + +/* + * Generic queue structure + * + * Contains common data for Rx and Tx queues + */ +struct iwl3945_queue { + int n_bd; /* number of BDs in this queue */ + int write_ptr; /* 1-st empty entry (index) host_w*/ + int read_ptr; /* last used entry (index) host_r*/ + dma_addr_t dma_addr; /* physical addr for BD's */ + int n_window; /* safe queue window */ + u32 id; + int low_mark; /* low watermark, resume queue if free + * space more than this */ + int high_mark; /* high watermark, stop queue if free + * space less than this */ +} __attribute__ ((packed)); + +#define MAX_NUM_OF_TBS (20) + +/* One for each TFD */ +struct iwl3945_tx_info { + struct ieee80211_tx_status status; + struct sk_buff *skb[MAX_NUM_OF_TBS]; +}; + +/** + * struct iwl3945_tx_queue - Tx Queue for DMA + * @q: generic Rx/Tx queue descriptor + * @bd: base of circular buffer of TFDs + * @cmd: array of command/Tx buffers + * @dma_addr_cmd: physical address of cmd/tx buffer array + * @txb: array of per-TFD driver data + * @need_update: indicates need to update read/write index + * + * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame + * descriptors) and required locking structures. + */ +struct iwl3945_tx_queue { + struct iwl3945_queue q; + struct iwl3945_tfd_frame *bd; + struct iwl3945_cmd *cmd; + dma_addr_t dma_addr_cmd; + struct iwl3945_tx_info *txb; + int need_update; + int active; +}; + +#define IWL_NUM_SCAN_RATES (2) + +struct iwl3945_channel_tgd_info { + u8 type; + s8 max_power; +}; + +struct iwl3945_channel_tgh_info { + s64 last_radar_time; +}; + +/* current Tx power values to use, one for each rate for each channel. + * requested power is limited by: + * -- regulatory EEPROM limits for this channel + * -- hardware capabilities (clip-powers) + * -- spectrum management + * -- user preference (e.g. iwconfig) + * when requested power is set, base power index must also be set. */ +struct iwl3945_channel_power_info { + struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ + s8 power_table_index; /* actual (compenst'd) index into gain table */ + s8 base_power_index; /* gain index for power at factory temp. */ + s8 requested_power; /* power (dBm) requested for this chnl/rate */ +}; + +/* current scan Tx power values to use, one for each scan rate for each + * channel. */ +struct iwl3945_scan_power_info { + struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ + s8 power_table_index; /* actual (compenst'd) index into gain table */ + s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ +}; + +/* + * One for each channel, holds all channel setup data + * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant + * with one another! + */ +#define IWL4965_MAX_RATE (33) + +struct iwl3945_channel_info { + struct iwl3945_channel_tgd_info tgd; + struct iwl3945_channel_tgh_info tgh; + struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */ + struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for + * FAT channel */ + + u8 channel; /* channel number */ + u8 flags; /* flags copied from EEPROM */ + s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ + s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ + s8 min_power; /* always 0 */ + s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ + + u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ + u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ + u8 phymode; /* MODE_IEEE80211{A,B,G} */ + + /* Radio/DSP gain settings for each "normal" data Tx rate. + * These include, in addition to RF and DSP gain, a few fields for + * remembering/modifying gain settings (indexes). */ + struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; + + /* Radio/DSP gain settings for each scan rate, for directed scans. */ + struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; +}; + +struct iwl3945_clip_group { + /* maximum power level to prevent clipping for each rate, derived by + * us from this band's saturation power in EEPROM */ + const s8 clip_powers[IWL_MAX_RATES]; +}; + +#include "iwl-3945-rs.h" + +#define IWL_TX_FIFO_AC0 0 +#define IWL_TX_FIFO_AC1 1 +#define IWL_TX_FIFO_AC2 2 +#define IWL_TX_FIFO_AC3 3 +#define IWL_TX_FIFO_HCCA_1 5 +#define IWL_TX_FIFO_HCCA_2 6 +#define IWL_TX_FIFO_NONE 7 + +/* Minimum number of queues. MAX_NUM is defined in hw specific files */ +#define IWL_MIN_NUM_QUEUES 4 + +/* Power management (not Tx power) structures */ + +struct iwl3945_power_vec_entry { + struct iwl3945_powertable_cmd cmd; + u8 no_dtim; +}; +#define IWL_POWER_RANGE_0 (0) +#define IWL_POWER_RANGE_1 (1) + +#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */ +#define IWL_POWER_INDEX_3 0x03 +#define IWL_POWER_INDEX_5 0x05 +#define IWL_POWER_AC 0x06 +#define IWL_POWER_BATTERY 0x07 +#define IWL_POWER_LIMIT 0x07 +#define IWL_POWER_MASK 0x0F +#define IWL_POWER_ENABLED 0x10 +#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK) + +struct iwl3945_power_mgr { + spinlock_t lock; + struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC]; + struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC]; + u8 active_index; + u32 dtim_val; +}; + +#define IEEE80211_DATA_LEN 2304 +#define IEEE80211_4ADDR_LEN 30 +#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) +#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) + +struct iwl3945_frame { + union { + struct ieee80211_hdr frame; + struct iwl3945_tx_beacon_cmd beacon; + u8 raw[IEEE80211_FRAME_LEN]; + u8 cmd[360]; + } u; + struct list_head list; +}; + +#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) +#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) +#define SEQ_TO_INDEX(x) (x & 0xff) +#define INDEX_TO_SEQ(x) (x & 0xff) +#define SEQ_HUGE_FRAME (0x4000) +#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) +#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) +#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) +#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) + +enum { + /* CMD_SIZE_NORMAL = 0, */ + CMD_SIZE_HUGE = (1 << 0), + /* CMD_SYNC = 0, */ + CMD_ASYNC = (1 << 1), + /* CMD_NO_SKB = 0, */ + CMD_WANT_SKB = (1 << 2), +}; + +struct iwl3945_cmd; +struct iwl3945_priv; + +struct iwl3945_cmd_meta { + struct iwl3945_cmd_meta *source; + union { + struct sk_buff *skb; + int (*callback)(struct iwl3945_priv *priv, + struct iwl3945_cmd *cmd, struct sk_buff *skb); + } __attribute__ ((packed)) u; + + /* The CMD_SIZE_HUGE flag bit indicates that the command + * structure is stored at the end of the shared queue memory. */ + u32 flags; + +} __attribute__ ((packed)); + +/** + * struct iwl3945_cmd + * + * For allocation of the command and tx queues, this establishes the overall + * size of the largest command we send to uCode, except for a scan command + * (which is relatively huge; space is allocated separately). + */ +struct iwl3945_cmd { + struct iwl3945_cmd_meta meta; + struct iwl3945_cmd_header hdr; + union { + struct iwl3945_addsta_cmd addsta; + struct iwl3945_led_cmd led; + u32 flags; + u8 val8; + u16 val16; + u32 val32; + struct iwl3945_bt_cmd bt; + struct iwl3945_rxon_time_cmd rxon_time; + struct iwl3945_powertable_cmd powertable; + struct iwl3945_qosparam_cmd qosparam; + struct iwl3945_tx_cmd tx; + struct iwl3945_tx_beacon_cmd tx_beacon; + struct iwl3945_rxon_assoc_cmd rxon_assoc; + u8 *indirect; + u8 payload[360]; + } __attribute__ ((packed)) cmd; +} __attribute__ ((packed)); + +struct iwl3945_host_cmd { + u8 id; + u16 len; + struct iwl3945_cmd_meta meta; + const void *data; +}; + +#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \ + sizeof(struct iwl3945_cmd_meta)) + +/* + * RX related structures and functions + */ +#define RX_FREE_BUFFERS 64 +#define RX_LOW_WATERMARK 8 + +#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 +#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 +#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 + +/** + * struct iwl3945_rx_queue - Rx queue + * @processed: Internal index to last handled Rx packet + * @read: Shared index to newest available Rx buffer + * @write: Shared index to oldest written Rx packet + * @free_count: Number of pre-allocated buffers in rx_free + * @rx_free: list of free SKBs for use + * @rx_used: List of Rx buffers with no SKB + * @need_update: flag to indicate we need to update read/write index + * + * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers + */ +struct iwl3945_rx_queue { + __le32 *bd; + dma_addr_t dma_addr; + struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; + struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE]; + u32 processed; + u32 read; + u32 write; + u32 free_count; + struct list_head rx_free; + struct list_head rx_used; + int need_update; + spinlock_t lock; +}; + +#define IWL_SUPPORTED_RATES_IE_LEN 8 + +#define SCAN_INTERVAL 100 + +#define MAX_A_CHANNELS 252 +#define MIN_A_CHANNELS 7 + +#define MAX_B_CHANNELS 14 +#define MIN_B_CHANNELS 1 + +#define STATUS_HCMD_ACTIVE 0 /* host command in progress */ +#define STATUS_INT_ENABLED 1 +#define STATUS_RF_KILL_HW 2 +#define STATUS_RF_KILL_SW 3 +#define STATUS_INIT 4 +#define STATUS_ALIVE 5 +#define STATUS_READY 6 +#define STATUS_TEMPERATURE 7 +#define STATUS_GEO_CONFIGURED 8 +#define STATUS_EXIT_PENDING 9 +#define STATUS_IN_SUSPEND 10 +#define STATUS_STATISTICS 11 +#define STATUS_SCANNING 12 +#define STATUS_SCAN_ABORTING 13 +#define STATUS_SCAN_HW 14 +#define STATUS_POWER_PMI 15 +#define STATUS_FW_ERROR 16 + +#define MAX_TID_COUNT 9 + +#define IWL_INVALID_RATE 0xFF +#define IWL_INVALID_VALUE -1 + +struct iwl3945_tid_data { + u16 seq_number; +}; + +struct iwl3945_hw_key { + enum ieee80211_key_alg alg; + int keylen; + u8 key[32]; +}; + +union iwl3945_ht_rate_supp { + u16 rates; + struct { + u8 siso_rate; + u8 mimo_rate; + }; +}; + +#ifdef CONFIG_IWL3945_HT +#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) +#define CFG_HT_MPDU_DENSITY_2USEC (0x5) +#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC + +struct sta_ht_info { + u8 is_ht; + u16 rx_mimo_ps_mode; + u16 tx_mimo_ps_mode; + u16 control_channel; + u8 max_amsdu_size; + u8 ampdu_factor; + u8 mpdu_density; + u8 operating_mode; + u8 supported_chan_width; + u8 extension_chan_offset; + u8 is_green_field; + u8 sgf; + u8 supp_rates[16]; + u8 tx_chan_width; + u8 chan_width_cap; +}; +#endif /*CONFIG_IWL3945_HT */ + +#ifdef CONFIG_IWL3945_QOS + +union iwl3945_qos_capabity { + struct { + u8 edca_count:4; /* bit 0-3 */ + u8 q_ack:1; /* bit 4 */ + u8 queue_request:1; /* bit 5 */ + u8 txop_request:1; /* bit 6 */ + u8 reserved:1; /* bit 7 */ + } q_AP; + struct { + u8 acvo_APSD:1; /* bit 0 */ + u8 acvi_APSD:1; /* bit 1 */ + u8 ac_bk_APSD:1; /* bit 2 */ + u8 ac_be_APSD:1; /* bit 3 */ + u8 q_ack:1; /* bit 4 */ + u8 max_len:2; /* bit 5-6 */ + u8 more_data_ack:1; /* bit 7 */ + } q_STA; + u8 val; +}; + +/* QoS structures */ +struct iwl3945_qos_info { + int qos_enable; + int qos_active; + union iwl3945_qos_capabity qos_cap; + struct iwl3945_qosparam_cmd def_qos_parm; +}; +#endif /*CONFIG_IWL3945_QOS */ + +#define STA_PS_STATUS_WAKE 0 +#define STA_PS_STATUS_SLEEP 1 + +struct iwl3945_station_entry { + struct iwl3945_addsta_cmd sta; + struct iwl3945_tid_data tid[MAX_TID_COUNT]; + union { + struct { + u8 rate; + u8 flags; + } s; + u16 rate_n_flags; + } current_rate; + u8 used; + u8 ps_status; + struct iwl3945_hw_key keyinfo; +}; + +/* one for each uCode image (inst/data, boot/init/runtime) */ +struct fw_desc { + void *v_addr; /* access by driver */ + dma_addr_t p_addr; /* access by card's busmaster DMA */ + u32 len; /* bytes */ +}; + +/* uCode file layout */ +struct iwl3945_ucode { + __le32 ver; /* major/minor/subminor */ + __le32 inst_size; /* bytes of runtime instructions */ + __le32 data_size; /* bytes of runtime data */ + __le32 init_size; /* bytes of initialization instructions */ + __le32 init_data_size; /* bytes of initialization data */ + __le32 boot_size; /* bytes of bootstrap instructions */ + u8 data[0]; /* data in same order as "size" elements */ +}; + +#define IWL_IBSS_MAC_HASH_SIZE 32 + +struct iwl3945_ibss_seq { + u8 mac[ETH_ALEN]; + u16 seq_num; + u16 frag_num; + unsigned long packet_time; + struct list_head list; +}; + +/** + * struct iwl4965_driver_hw_info + * @max_txq_num: Max # Tx queues supported + * @ac_queue_count: # Tx queues for EDCA Access Categories (AC) + * @tx_cmd_len: Size of Tx command (but not including frame itself) + * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) + * @rx_buf_size: + * @max_pkt_size: + * @max_rxq_log: Log-base-2 of max_rxq_size + * @max_stations: + * @bcast_sta_id: + * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status + * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status + */ +struct iwl3945_driver_hw_info { + u16 max_txq_num; + u16 ac_queue_count; + u16 tx_cmd_len; + u16 max_rxq_size; + u32 rx_buf_size; + u32 max_pkt_size; + u16 max_rxq_log; + u8 max_stations; + u8 bcast_sta_id; + void *shared_virt; + dma_addr_t shared_phys; +}; + +#define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\ + x->u.rx_frame.stats.payload + \ + x->u.rx_frame.stats.phy_count)) +#define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\ + IWL_RX_HDR(x)->payload + \ + le16_to_cpu(IWL_RX_HDR(x)->len))) +#define IWL_RX_STATS(x) (&x->u.rx_frame.stats) +#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) + + +/****************************************************************************** + * + * Functions implemented in iwl-base.c which are forward declared here + * for use by iwl-*.c + * + *****************************************************************************/ +struct iwl3945_addsta_cmd; +extern int iwl3945_send_add_station(struct iwl3945_priv *priv, + struct iwl3945_addsta_cmd *sta, u8 flags); +extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid, + int is_ap, u8 flags); +extern int iwl3945_is_network_packet(struct iwl3945_priv *priv, + struct ieee80211_hdr *header); +extern int iwl3945_power_init_handle(struct iwl3945_priv *priv); +extern int iwl3945_eeprom_init(struct iwl3945_priv *priv); +#ifdef CONFIG_IWL3945_DEBUG +extern void iwl3945_report_frame(struct iwl3945_priv *priv, + struct iwl3945_rx_packet *pkt, + struct ieee80211_hdr *header, int group100); +#else +static inline void iwl3945_report_frame(struct iwl3945_priv *priv, + struct iwl3945_rx_packet *pkt, + struct ieee80211_hdr *header, + int group100) {} +#endif +extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb, + void *data, short len, + struct ieee80211_rx_status *stats, + u16 phy_flags); +extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv, + struct ieee80211_hdr *header); +extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv); +extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv, + struct iwl3945_rx_queue *rxq); +extern int iwl3945_calc_db_from_ratio(int sig_ratio); +extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm); +extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv, + struct iwl3945_tx_queue *txq, int count, u32 id); +extern void iwl3945_rx_replenish(void *data); +extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq); +extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len, + const void *data); +extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv, + struct iwl3945_host_cmd *cmd); +extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv, + struct ieee80211_hdr *hdr, + const u8 *dest, int left); +extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv, + struct iwl3945_rx_queue *q); +extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv); +extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb, + u32 decrypt_res, + struct ieee80211_rx_status *stats); +extern const u8 iwl3945_broadcast_addr[ETH_ALEN]; + +/* + * Currently used by iwl-3945-rs... look at restructuring so that it doesn't + * call this... todo... fix that. +*/ +extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id, + u16 tx_rate, u8 flags); + +/****************************************************************************** + * + * Functions implemented in iwl-[34]*.c which are forward declared here + * for use by iwl-base.c + * + * NOTE: The implementation of these functions are hardware specific + * which is why they are in the hardware specific files (vs. iwl-base.c) + * + * Naming convention -- + * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_) + * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) + * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) + * iwl3945_bg_ <-- Called from work queue context + * iwl3945_mac_ <-- mac80211 callback + * + ****************************************************************************/ +extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv); +extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv); +extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv); +extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv); +extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv); +extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv); +extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv); +extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv); +extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv); +extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv); +extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd, + dma_addr_t addr, u16 len); +extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq); +extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv); +extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv, + struct iwl3945_tx_queue *txq); +extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv, + struct iwl3945_frame *frame, u8 rate); +extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv); +extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv, + struct iwl3945_cmd *cmd, + struct ieee80211_tx_control *ctrl, + struct ieee80211_hdr *hdr, + int sta_id, int tx_id); +extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv); +extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power); +extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb); +extern void iwl3945_disable_events(struct iwl3945_priv *priv); +extern int iwl4965_get_temperature(const struct iwl3945_priv *priv); + +/** + * iwl3945_hw_find_station - Find station id for a given BSSID + * @bssid: MAC address of station ID to find + * + * NOTE: This should not be hardware specific but the code has + * not yet been merged into a single common layer for managing the + * station tables. + */ +extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid); + +extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel); + /* * Forward declare iwl-3945.c functions for iwl-base.c */ -extern int iwl_eeprom_aqcuire_semaphore(struct iwl_priv *priv); -extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv); -extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv); -extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv); -extern void iwl3945_bg_reg_txpower_periodic(void *p); -extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv); -extern u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, +extern int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv); +extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv); +extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv); +extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv); +extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv); +extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id, u16 tx_rate, u8 flags); + + +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT + +enum { + MEASUREMENT_READY = (1 << 0), + MEASUREMENT_ACTIVE = (1 << 1), +}; + +#endif + +struct iwl3945_priv { + + /* ieee device used by generic ieee processing code */ + struct ieee80211_hw *hw; + struct ieee80211_channel *ieee_channels; + struct ieee80211_rate *ieee_rates; + struct ieee80211_conf *cache_conf; + + /* temporary frame storage list */ + struct list_head free_frames; + int frames_count; + + u8 phymode; + int alloc_rxb_skb; + + void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb); + + const struct ieee80211_hw_mode *modes; + +#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT + /* spectrum measurement report caching */ + struct iwl3945_spectrum_notification measure_report; + u8 measurement_status; +#endif + /* ucode beacon time */ + u32 ucode_beacon_time; + + /* we allocate array of iwl3945_channel_info for NIC's valid channels. + * Access via channel # using indirect index array */ + struct iwl3945_channel_info *channel_info; /* channel info array */ + u8 channel_count; /* # of channels */ + + /* each calibration channel group in the EEPROM has a derived + * clip setting for each rate. */ + const struct iwl3945_clip_group clip_groups[5]; + + /* thermal calibration */ + s32 temperature; /* degrees Kelvin */ + s32 last_temperature; + + /* Scan related variables */ + unsigned long last_scan_jiffies; + unsigned long next_scan_jiffies; + unsigned long scan_start; + unsigned long scan_pass_start; + unsigned long scan_start_tsf; + int scan_bands; + int one_direct_scan; + u8 direct_ssid_len; + u8 direct_ssid[IW_ESSID_MAX_SIZE]; + struct iwl3945_scan_cmd *scan; + u8 only_active_channel; + + /* spinlock */ + spinlock_t lock; /* protect general shared data */ + spinlock_t hcmd_lock; /* protect hcmd */ + struct mutex mutex; + + /* basic pci-network driver stuff */ + struct pci_dev *pci_dev; + + /* pci hardware address support */ + void __iomem *hw_base; + + /* uCode images, save to reload in case of failure */ + struct fw_desc ucode_code; /* runtime inst */ + struct fw_desc ucode_data; /* runtime data original */ + struct fw_desc ucode_data_backup; /* runtime data save/restore */ + struct fw_desc ucode_init; /* initialization inst */ + struct fw_desc ucode_init_data; /* initialization data */ + struct fw_desc ucode_boot; /* bootstrap inst */ + + + struct iwl3945_rxon_time_cmd rxon_timing; + + /* We declare this const so it can only be + * changed via explicit cast within the + * routines that actually update the physical + * hardware */ + const struct iwl3945_rxon_cmd active_rxon; + struct iwl3945_rxon_cmd staging_rxon; + + int error_recovering; + struct iwl3945_rxon_cmd recovery_rxon; + + /* 1st responses from initialize and runtime uCode images. + * 4965's initialize alive response contains some calibration data. */ + struct iwl3945_init_alive_resp card_alive_init; + struct iwl3945_alive_resp card_alive; + +#ifdef LED + /* LED related variables */ + struct iwl3945_activity_blink activity; + unsigned long led_packets; + int led_state; +#endif + + u16 active_rate; + u16 active_rate_basic; + + u8 call_post_assoc_from_beacon; + u8 assoc_station_added; + /* Rate scaling data */ + s8 data_retry_limit; + u8 retry_rate; + + wait_queue_head_t wait_command_queue; + + int activity_timer_active; + + /* Rx and Tx DMA processing queues */ + struct iwl3945_rx_queue rxq; + struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES]; + + unsigned long status; + u32 config; + + int last_rx_rssi; /* From Rx packet statisitics */ + int last_rx_noise; /* From beacon statistics */ + + struct iwl3945_power_mgr power_data; + + struct iwl3945_notif_statistics statistics; + unsigned long last_statistics_time; + + /* context information */ + u8 essid[IW_ESSID_MAX_SIZE]; + u8 essid_len; + u16 rates_mask; + + u32 power_mode; + u32 antenna; + u8 bssid[ETH_ALEN]; + u16 rts_threshold; + u8 mac_addr[ETH_ALEN]; + + /*station table variables */ + spinlock_t sta_lock; + int num_stations; + struct iwl3945_station_entry stations[IWL_STATION_COUNT]; + + /* Indication if ieee80211_ops->open has been called */ + int is_open; + + u8 mac80211_registered; + int is_abg; + + u32 notif_missed_beacons; + + /* Rx'd packet timing information */ + u32 last_beacon_time; + u64 last_tsf; + + /* Duplicate packet detection */ + u16 last_seq_num; + u16 last_frag_num; + unsigned long last_packet_time; + + /* Hash table for finding stations in IBSS network */ + struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; + + /* eeprom */ + struct iwl3945_eeprom eeprom; + + int iw_mode; + + struct sk_buff *ibss_beacon; + + /* Last Rx'd beacon timestamp */ + u32 timestamp0; + u32 timestamp1; + u16 beacon_int; + struct iwl3945_driver_hw_info hw_setting; + int interface_id; + + /* Current association information needed to configure the + * hardware */ + u16 assoc_id; + u16 assoc_capability; + u8 ps_mode; + +#ifdef CONFIG_IWL3945_QOS + struct iwl3945_qos_info qos_data; +#endif /*CONFIG_IWL3945_QOS */ + + struct workqueue_struct *workqueue; + + struct work_struct up; + struct work_struct restart; + struct work_struct calibrated_work; + struct work_struct scan_completed; + struct work_struct rx_replenish; + struct work_struct rf_kill; + struct work_struct abort_scan; + struct work_struct update_link_led; + struct work_struct auth_work; + struct work_struct report_work; + struct work_struct request_scan; + struct work_struct beacon_update; + + struct tasklet_struct irq_tasklet; + + struct work_struct init_alive_start; + struct work_struct alive_start; + struct work_struct activity_timer; + struct work_struct thermal_periodic; + struct work_struct gather_stats; + struct work_struct scan_check; + struct work_struct post_associate; + +#define IWL_DEFAULT_TX_POWER 0x0F + s8 user_txpower_limit; + s8 max_channel_txpower_limit; + +#ifdef CONFIG_PM + u32 pm_state[16]; +#endif + +#ifdef CONFIG_IWL3945_DEBUG + /* debugging info */ + u32 framecnt_to_us; + atomic_t restrict_refcnt; +#endif +}; /*iwl3945_priv */ + +static inline int iwl3945_is_associated(struct iwl3945_priv *priv) +{ + return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; +} + +static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info) +{ + if (ch_info == NULL) + return 0; + return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; +} + +static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info) +{ + return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0; +} + +static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info) +{ + return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; +} + +static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info) +{ + return ch_info->phymode == MODE_IEEE80211A; +} + +static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info) +{ + return ((ch_info->phymode == MODE_IEEE80211B) || + (ch_info->phymode == MODE_IEEE80211G)); +} + +static inline int is_channel_passive(const struct iwl3945_channel_info *ch) +{ + return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; +} + +static inline int is_channel_ibss(const struct iwl3945_channel_info *ch) +{ + return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; +} + +extern const struct iwl3945_channel_info *iwl3945_get_channel_info( + const struct iwl3945_priv *priv, int phymode, u16 channel); + +/* Requires full declaration of iwl3945_priv before including */ +#include "iwl-3945-io.h" + #endif --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/Makefile.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/Makefile 2007-12-14 11:02:03.000000000 -0500 @@ -1,11 +1,5 @@ obj-$(CONFIG_IWL3945) += iwl3945.o iwl3945-objs = iwl3945-base.o iwl-3945.o iwl-3945-rs.o -CFLAGS_iwl3945-base.o = -DIWL=3945 -CFLAGS_iwl-3945.o = -DIWL=3945 -CFLAGS_iwl-3945-rs.o = -DIWL=3945 obj-$(CONFIG_IWL4965) += iwl4965.o iwl4965-objs = iwl4965-base.o iwl-4965.o iwl-4965-rs.o -CFLAGS_iwl4965-base.o = -DIWL=4965 -CFLAGS_iwl-4965.o = -DIWL=4965 -CFLAGS_iwl-4965-rs.o = -DIWL=4965 --- /dev/null 2007-10-19 15:07:45.088359312 -0400 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-3945-io.h 2007-12-14 11:02:03.000000000 -0500 @@ -0,0 +1,431 @@ +/****************************************************************************** + * + * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved. + * + * Portions of this file are derived from the ipw3945 project. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * James P. Ketrenos + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#ifndef __iwl3945_io_h__ +#define __iwl3945_io_h__ + +#include + +#include "iwl-3945-debug.h" + +/* + * IO, register, and NIC memory access functions + * + * NOTE on naming convention and macro usage for these + * + * A single _ prefix before a an access function means that no state + * check or debug information is printed when that function is called. + * + * A double __ prefix before an access function means that state is checked + * and the current line number is printed in addition to any other debug output. + * + * The non-prefixed name is the #define that maps the caller into a + * #define that provides the caller's __LINE__ to the double prefix version. + * + * If you wish to call the function without any debug or state checking, + * you should use the single _ prefix version (as is used by dependent IO + * routines, for example _iwl3945_read_direct32 calls the non-check version of + * _iwl3945_read32.) + * + * These declarations are *extremely* useful in quickly isolating code deltas + * which result in misconfiguring of the hardware I/O. In combination with + * git-bisect and the IO debug level you can quickly determine the specific + * commit which breaks the IO sequence to the hardware. + * + */ + +#define _iwl3945_write32(iwl, ofs, val) writel((val), (iwl)->hw_base + (ofs)) +#ifdef CONFIG_IWL3945_DEBUG +static inline void __iwl3945_write32(const char *f, u32 l, struct iwl3945_priv *iwl, + u32 ofs, u32 val) +{ + IWL_DEBUG_IO("write32(0x%08X, 0x%08X) - %s %d\n", ofs, val, f, l); + _iwl3945_write32(iwl, ofs, val); +} +#define iwl3945_write32(iwl, ofs, val) \ + __iwl3945_write32(__FILE__, __LINE__, iwl, ofs, val) +#else +#define iwl3945_write32(iwl, ofs, val) _iwl3945_write32(iwl, ofs, val) +#endif + +#define _iwl3945_read32(iwl, ofs) readl((iwl)->hw_base + (ofs)) +#ifdef CONFIG_IWL3945_DEBUG +static inline u32 __iwl3945_read32(char *f, u32 l, struct iwl3945_priv *iwl, u32 ofs) +{ + IWL_DEBUG_IO("read_direct32(0x%08X) - %s %d\n", ofs, f, l); + return _iwl3945_read32(iwl, ofs); +} +#define iwl3945_read32(iwl, ofs) __iwl3945_read32(__FILE__, __LINE__, iwl, ofs) +#else +#define iwl3945_read32(p, o) _iwl3945_read32(p, o) +#endif + +static inline int _iwl3945_poll_bit(struct iwl3945_priv *priv, u32 addr, + u32 bits, u32 mask, int timeout) +{ + int i = 0; + + do { + if ((_iwl3945_read32(priv, addr) & mask) == (bits & mask)) + return i; + mdelay(10); + i += 10; + } while (i < timeout); + + return -ETIMEDOUT; +} +#ifdef CONFIG_IWL3945_DEBUG +static inline int __iwl3945_poll_bit(const char *f, u32 l, + struct iwl3945_priv *priv, u32 addr, + u32 bits, u32 mask, int timeout) +{ + int ret = _iwl3945_poll_bit(priv, addr, bits, mask, timeout); + if (unlikely(ret == -ETIMEDOUT)) + IWL_DEBUG_IO + ("poll_bit(0x%08X, 0x%08X, 0x%08X) - timedout - %s %d\n", + addr, bits, mask, f, l); + else + IWL_DEBUG_IO + ("poll_bit(0x%08X, 0x%08X, 0x%08X) = 0x%08X - %s %d\n", + addr, bits, mask, ret, f, l); + return ret; +} +#define iwl3945_poll_bit(iwl, addr, bits, mask, timeout) \ + __iwl3945_poll_bit(__FILE__, __LINE__, iwl, addr, bits, mask, timeout) +#else +#define iwl3945_poll_bit(p, a, b, m, t) _iwl3945_poll_bit(p, a, b, m, t) +#endif + +static inline void _iwl3945_set_bit(struct iwl3945_priv *priv, u32 reg, u32 mask) +{ + _iwl3945_write32(priv, reg, _iwl3945_read32(priv, reg) | mask); +} +#ifdef CONFIG_IWL3945_DEBUG +static inline void __iwl3945_set_bit(const char *f, u32 l, + struct iwl3945_priv *priv, u32 reg, u32 mask) +{ + u32 val = _iwl3945_read32(priv, reg) | mask; + IWL_DEBUG_IO("set_bit(0x%08X, 0x%08X) = 0x%08X\n", reg, mask, val); + _iwl3945_write32(priv, reg, val); +} +#define iwl3945_set_bit(p, r, m) __iwl3945_set_bit(__FILE__, __LINE__, p, r, m) +#else +#define iwl3945_set_bit(p, r, m) _iwl3945_set_bit(p, r, m) +#endif + +static inline void _iwl3945_clear_bit(struct iwl3945_priv *priv, u32 reg, u32 mask) +{ + _iwl3945_write32(priv, reg, _iwl3945_read32(priv, reg) & ~mask); +} +#ifdef CONFIG_IWL3945_DEBUG +static inline void __iwl3945_clear_bit(const char *f, u32 l, + struct iwl3945_priv *priv, u32 reg, u32 mask) +{ + u32 val = _iwl3945_read32(priv, reg) & ~mask; + IWL_DEBUG_IO("clear_bit(0x%08X, 0x%08X) = 0x%08X\n", reg, mask, val); + _iwl3945_write32(priv, reg, val); +} +#define iwl3945_clear_bit(p, r, m) __iwl3945_clear_bit(__FILE__, __LINE__, p, r, m) +#else +#define iwl3945_clear_bit(p, r, m) _iwl3945_clear_bit(p, r, m) +#endif + +static inline int _iwl3945_grab_nic_access(struct iwl3945_priv *priv) +{ + int ret; + u32 gp_ctl; + +#ifdef CONFIG_IWL3945_DEBUG + if (atomic_read(&priv->restrict_refcnt)) + return 0; +#endif + if (test_bit(STATUS_RF_KILL_HW, &priv->status) || + test_bit(STATUS_RF_KILL_SW, &priv->status)) { + IWL_WARNING("WARNING: Requesting MAC access during RFKILL " + "wakes up NIC\n"); + + /* 10 msec allows time for NIC to complete its data save */ + gp_ctl = _iwl3945_read32(priv, CSR_GP_CNTRL); + if (gp_ctl & CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY) { + IWL_DEBUG_RF_KILL("Wait for complete power-down, " + "gpctl = 0x%08x\n", gp_ctl); + mdelay(10); + } else + IWL_DEBUG_RF_KILL("power-down complete, " + "gpctl = 0x%08x\n", gp_ctl); + } + + /* this bit wakes up the NIC */ + _iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + ret = _iwl3945_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN, + (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | + CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 50); + if (ret < 0) { + IWL_ERROR("MAC is in deep sleep!\n"); + return -EIO; + } + +#ifdef CONFIG_IWL3945_DEBUG + atomic_inc(&priv->restrict_refcnt); +#endif + return 0; +} + +#ifdef CONFIG_IWL3945_DEBUG +static inline int __iwl3945_grab_nic_access(const char *f, u32 l, + struct iwl3945_priv *priv) +{ + if (atomic_read(&priv->restrict_refcnt)) + IWL_DEBUG_INFO("Grabbing access while already held at " + "line %d.\n", l); + + IWL_DEBUG_IO("grabbing nic access - %s %d\n", f, l); + return _iwl3945_grab_nic_access(priv); +} +#define iwl3945_grab_nic_access(priv) \ + __iwl3945_grab_nic_access(__FILE__, __LINE__, priv) +#else +#define iwl3945_grab_nic_access(priv) \ + _iwl3945_grab_nic_access(priv) +#endif + +static inline void _iwl3945_release_nic_access(struct iwl3945_priv *priv) +{ +#ifdef CONFIG_IWL3945_DEBUG + if (atomic_dec_and_test(&priv->restrict_refcnt)) +#endif + _iwl3945_clear_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); +} +#ifdef CONFIG_IWL3945_DEBUG +static inline void __iwl3945_release_nic_access(const char *f, u32 l, + struct iwl3945_priv *priv) +{ + if (atomic_read(&priv->restrict_refcnt) <= 0) + IWL_ERROR("Release unheld nic access at line %d.\n", l); + + IWL_DEBUG_IO("releasing nic access - %s %d\n", f, l); + _iwl3945_release_nic_access(priv); +} +#define iwl3945_release_nic_access(priv) \ + __iwl3945_release_nic_access(__FILE__, __LINE__, priv) +#else +#define iwl3945_release_nic_access(priv) \ + _iwl3945_release_nic_access(priv) +#endif + +static inline u32 _iwl3945_read_direct32(struct iwl3945_priv *priv, u32 reg) +{ + return _iwl3945_read32(priv, reg); +} +#ifdef CONFIG_IWL3945_DEBUG +static inline u32 __iwl3945_read_direct32(const char *f, u32 l, + struct iwl3945_priv *priv, u32 reg) +{ + u32 value = _iwl3945_read_direct32(priv, reg); + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from %s %d\n", f, l); + IWL_DEBUG_IO("read_direct32(0x%4X) = 0x%08x - %s %d \n", reg, value, + f, l); + return value; +} +#define iwl3945_read_direct32(priv, reg) \ + __iwl3945_read_direct32(__FILE__, __LINE__, priv, reg) +#else +#define iwl3945_read_direct32 _iwl3945_read_direct32 +#endif + +static inline void _iwl3945_write_direct32(struct iwl3945_priv *priv, + u32 reg, u32 value) +{ + _iwl3945_write32(priv, reg, value); +} +#ifdef CONFIG_IWL3945_DEBUG +static void __iwl3945_write_direct32(u32 line, + struct iwl3945_priv *priv, u32 reg, u32 value) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from line %d\n", line); + _iwl3945_write_direct32(priv, reg, value); +} +#define iwl3945_write_direct32(priv, reg, value) \ + __iwl3945_write_direct32(__LINE__, priv, reg, value) +#else +#define iwl3945_write_direct32 _iwl3945_write_direct32 +#endif + +static inline void iwl3945_write_reg_buf(struct iwl3945_priv *priv, + u32 reg, u32 len, u32 *values) +{ + u32 count = sizeof(u32); + + if ((priv != NULL) && (values != NULL)) { + for (; 0 < len; len -= count, reg += count, values++) + _iwl3945_write_direct32(priv, reg, *values); + } +} + +static inline int _iwl3945_poll_direct_bit(struct iwl3945_priv *priv, + u32 addr, u32 mask, int timeout) +{ + int i = 0; + + do { + if ((_iwl3945_read_direct32(priv, addr) & mask) == mask) + return i; + mdelay(10); + i += 10; + } while (i < timeout); + + return -ETIMEDOUT; +} + +#ifdef CONFIG_IWL3945_DEBUG +static inline int __iwl3945_poll_direct_bit(const char *f, u32 l, + struct iwl3945_priv *priv, + u32 addr, u32 mask, int timeout) +{ + int ret = _iwl3945_poll_direct_bit(priv, addr, mask, timeout); + + if (unlikely(ret == -ETIMEDOUT)) + IWL_DEBUG_IO("poll_direct_bit(0x%08X, 0x%08X) - " + "timedout - %s %d\n", addr, mask, f, l); + else + IWL_DEBUG_IO("poll_direct_bit(0x%08X, 0x%08X) = 0x%08X " + "- %s %d\n", addr, mask, ret, f, l); + return ret; +} +#define iwl3945_poll_direct_bit(iwl, addr, mask, timeout) \ + __iwl3945_poll_direct_bit(__FILE__, __LINE__, iwl, addr, mask, timeout) +#else +#define iwl3945_poll_direct_bit _iwl3945_poll_direct_bit +#endif + +static inline u32 _iwl3945_read_prph(struct iwl3945_priv *priv, u32 reg) +{ + _iwl3945_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); + return _iwl3945_read_direct32(priv, HBUS_TARG_PRPH_RDAT); +} +#ifdef CONFIG_IWL3945_DEBUG +static inline u32 __iwl3945_read_prph(u32 line, struct iwl3945_priv *priv, u32 reg) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from line %d\n", line); + return _iwl3945_read_prph(priv, reg); +} + +#define iwl3945_read_prph(priv, reg) \ + __iwl3945_read_prph(__LINE__, priv, reg) +#else +#define iwl3945_read_prph _iwl3945_read_prph +#endif + +static inline void _iwl3945_write_prph(struct iwl3945_priv *priv, + u32 addr, u32 val) +{ + _iwl3945_write_direct32(priv, HBUS_TARG_PRPH_WADDR, + ((addr & 0x0000FFFF) | (3 << 24))); + _iwl3945_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val); +} +#ifdef CONFIG_IWL3945_DEBUG +static inline void __iwl3945_write_prph(u32 line, struct iwl3945_priv *priv, + u32 addr, u32 val) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access from line %d\n", line); + _iwl3945_write_prph(priv, addr, val); +} + +#define iwl3945_write_prph(priv, addr, val) \ + __iwl3945_write_prph(__LINE__, priv, addr, val); +#else +#define iwl3945_write_prph _iwl3945_write_prph +#endif + +#define _iwl3945_set_bits_prph(priv, reg, mask) \ + _iwl3945_write_prph(priv, reg, (_iwl3945_read_prph(priv, reg) | mask)) +#ifdef CONFIG_IWL3945_DEBUG +static inline void __iwl3945_set_bits_prph(u32 line, struct iwl3945_priv *priv, + u32 reg, u32 mask) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from line %d\n", line); + + _iwl3945_set_bits_prph(priv, reg, mask); +} +#define iwl3945_set_bits_prph(priv, reg, mask) \ + __iwl3945_set_bits_prph(__LINE__, priv, reg, mask) +#else +#define iwl3945_set_bits_prph _iwl3945_set_bits_prph +#endif + +#define _iwl3945_set_bits_mask_prph(priv, reg, bits, mask) \ + _iwl3945_write_prph(priv, reg, ((_iwl3945_read_prph(priv, reg) & mask) | bits)) + +#ifdef CONFIG_IWL3945_DEBUG +static inline void __iwl3945_set_bits_mask_prph(u32 line, + struct iwl3945_priv *priv, u32 reg, u32 bits, u32 mask) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from line %d\n", line); + _iwl3945_set_bits_mask_prph(priv, reg, bits, mask); +} +#define iwl3945_set_bits_mask_prph(priv, reg, bits, mask) \ + __iwl3945_set_bits_mask_prph(__LINE__, priv, reg, bits, mask) +#else +#define iwl3945_set_bits_mask_prph _iwl3945_set_bits_mask_prph +#endif + +static inline void iwl3945_clear_bits_prph(struct iwl3945_priv + *priv, u32 reg, u32 mask) +{ + u32 val = _iwl3945_read_prph(priv, reg); + _iwl3945_write_prph(priv, reg, (val & ~mask)); +} + +static inline u32 iwl3945_read_targ_mem(struct iwl3945_priv *priv, u32 addr) +{ + iwl3945_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr); + return iwl3945_read_direct32(priv, HBUS_TARG_MEM_RDAT); +} + +static inline void iwl3945_write_targ_mem(struct iwl3945_priv *priv, u32 addr, u32 val) +{ + iwl3945_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr); + iwl3945_write_direct32(priv, HBUS_TARG_MEM_WDAT, val); +} + +static inline void iwl3945_write_targ_mem_buf(struct iwl3945_priv *priv, u32 addr, + u32 len, u32 *values) +{ + iwl3945_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr); + for (; 0 < len; len -= sizeof(u32), values++) + iwl3945_write_direct32(priv, HBUS_TARG_MEM_WDAT, *values); +} +#endif --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-4965-rs.c.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-4965-rs.c 2007-12-14 11:02:04.000000000 -0500 @@ -36,12 +36,9 @@ #include -#include -#include - #include "../net/mac80211/ieee80211_rate.h" -#include "iwlwifi.h" +#include "iwl-4965.h" #include "iwl-helpers.h" #define RS_NAME "iwl-4965-rs" @@ -50,13 +47,12 @@ #define IWL_NUMBER_TRY 1 #define IWL_HT_NUMBER_TRY 3 -#define IWL_RATE_MAX_WINDOW 62 -#define IWL_RATE_HIGH_TH 10880 -#define IWL_RATE_MIN_FAILURE_TH 6 -#define IWL_RATE_MIN_SUCCESS_TH 8 -#define IWL_RATE_DECREASE_TH 1920 -#define IWL_RATE_INCREASE_TH 8960 -#define IWL_RATE_SCALE_FLUSH_INTVL (2*HZ) /*2 seconds */ +#define IWL_RATE_MAX_WINDOW 62 /* # tx in history window */ +#define IWL_RATE_MIN_FAILURE_TH 6 /* min failures to calc tpt */ +#define IWL_RATE_MIN_SUCCESS_TH 8 /* min successes to calc tpt */ + +/* max time to accum history 2 seconds */ +#define IWL_RATE_SCALE_FLUSH_INTVL (2*HZ) static u8 rs_ht_to_legacy[] = { IWL_RATE_6M_INDEX, IWL_RATE_6M_INDEX, @@ -68,69 +64,109 @@ static u8 rs_ht_to_legacy[] = { IWL_RATE_48M_INDEX, IWL_RATE_54M_INDEX }; -struct iwl_rate { +struct iwl4965_rate { u32 rate_n_flags; } __attribute__ ((packed)); -struct iwl_rate_scale_data { - u64 data; - s32 success_counter; - s32 success_ratio; - s32 counter; - s32 average_tpt; +/** + * struct iwl4965_rate_scale_data -- tx success history for one rate + */ +struct iwl4965_rate_scale_data { + u64 data; /* bitmap of successful frames */ + s32 success_counter; /* number of frames successful */ + s32 success_ratio; /* per-cent * 128 */ + s32 counter; /* number of frames attempted */ + s32 average_tpt; /* success ratio * expected throughput */ unsigned long stamp; }; -struct iwl_scale_tbl_info { - enum iwl_table_type lq_type; - enum iwl_antenna_type antenna_type; - u8 is_SGI; - u8 is_fat; - u8 is_dup; - u8 action; - s32 *expected_tpt; - struct iwl_rate current_rate; - struct iwl_rate_scale_data win[IWL_RATE_COUNT]; +/** + * struct iwl4965_scale_tbl_info -- tx params and success history for all rates + * + * There are two of these in struct iwl_rate_scale_priv, + * one for "active", and one for "search". + */ +struct iwl4965_scale_tbl_info { + enum iwl4965_table_type lq_type; + enum iwl4965_antenna_type antenna_type; + u8 is_SGI; /* 1 = short guard interval */ + u8 is_fat; /* 1 = 40 MHz channel width */ + u8 is_dup; /* 1 = duplicated data streams */ + u8 action; /* change modulation; IWL_[LEGACY/SISO/MIMO]_SWITCH_* */ + s32 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ + struct iwl4965_rate current_rate; /* rate_n_flags, uCode API format */ + struct iwl4965_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */ }; -struct iwl_rate_scale_priv { - u8 active_tbl; - u8 enable_counter; - u8 stay_in_tbl; - u8 search_better_tbl; +/** + * struct iwl_rate_scale_priv -- driver's rate scaling private structure + * + * Pointer to this gets passed back and forth between driver and mac80211. + */ +struct iwl4965_rate_scale_priv { + u8 active_tbl; /* index of active table, range 0-1 */ + u8 enable_counter; /* indicates HT mode */ + u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */ + u8 search_better_tbl; /* 1: currently trying alternate mode */ s32 last_tpt; + + /* The following determine when to search for a new mode */ u32 table_count_limit; - u32 max_failure_limit; - u32 max_success_limit; + u32 max_failure_limit; /* # failed frames before new search */ + u32 max_success_limit; /* # successful frames before new search */ u32 table_count; - u32 total_failed; - u32 total_success; - u32 flush_timer; - u8 action_counter; + u32 total_failed; /* total failed frames, any/all rates */ + u32 total_success; /* total successful frames, any/all rates */ + u32 flush_timer; /* time staying in mode before new search */ + + u8 action_counter; /* # mode-switch actions tried */ u8 antenna; u8 valid_antenna; u8 is_green; u8 is_dup; u8 phymode; u8 ibss_sta_added; + + /* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */ + u32 supp_rates; u16 active_rate; u16 active_siso_rate; u16 active_mimo_rate; u16 active_rate_basic; - struct iwl_link_quality_cmd lq; - struct iwl_scale_tbl_info lq_info[LQ_SIZE]; + + struct iwl4965_link_quality_cmd lq; + struct iwl4965_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ +#ifdef CONFIG_MAC80211_DEBUGFS + struct dentry *rs_sta_dbgfs_scale_table_file; + struct dentry *rs_sta_dbgfs_stats_table_file; + struct iwl4965_rate dbg_fixed; + struct iwl4965_priv *drv; +#endif }; -static void rs_rate_scale_perform(struct iwl_priv *priv, +static void rs_rate_scale_perform(struct iwl4965_priv *priv, struct net_device *dev, struct ieee80211_hdr *hdr, struct sta_info *sta); -static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data, - struct iwl_rate *tx_mcs, - struct iwl_link_quality_cmd *tbl, - struct sta_info *sta); +static void rs_fill_link_cmd(struct iwl4965_rate_scale_priv *lq_data, + struct iwl4965_rate *tx_mcs, + struct iwl4965_link_quality_cmd *tbl); + +#ifdef CONFIG_MAC80211_DEBUGFS +static void rs_dbgfs_set_mcs(struct iwl4965_rate_scale_priv *rs_priv, + struct iwl4965_rate *mcs, int index); +#else +static void rs_dbgfs_set_mcs(struct iwl4965_rate_scale_priv *rs_priv, + struct iwl4965_rate *mcs, int index) +{} +#endif +/* + * Expected throughput metrics for following rates: + * 1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 60 MBits + * "G" is the only table that supports CCK (the first 4 rates). + */ static s32 expected_tpt_A[IWL_RATE_COUNT] = { 0, 0, 0, 0, 40, 57, 72, 98, 121, 154, 177, 186, 186 }; @@ -171,36 +207,34 @@ static s32 expected_tpt_mimo40MHzSGI[IWL 0, 0, 0, 0, 131, 131, 191, 222, 242, 270, 284, 289, 293 }; -static int iwl_lq_sync_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb) +static int iwl4965_lq_sync_callback(struct iwl4965_priv *priv, + struct iwl4965_cmd *cmd, struct sk_buff *skb) { /*We didn't cache the SKB; let the caller free it */ return 1; } -static inline u8 iwl_rate_get_rate(u32 rate_n_flags) +static inline u8 iwl4965_rate_get_rate(u32 rate_n_flags) { return (u8)(rate_n_flags & 0xFF); } -static int rs_send_lq_cmd(struct iwl_priv *priv, - struct iwl_link_quality_cmd *lq, u8 flags) +static int rs_send_lq_cmd(struct iwl4965_priv *priv, + struct iwl4965_link_quality_cmd *lq, u8 flags) { -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL4965_DEBUG int i; #endif - int rc = -1; - - struct iwl_host_cmd cmd = { + struct iwl4965_host_cmd cmd = { .id = REPLY_TX_LINK_QUALITY_CMD, - .len = sizeof(struct iwl_link_quality_cmd), + .len = sizeof(struct iwl4965_link_quality_cmd), .meta.flags = flags, .data = lq, }; if ((lq->sta_id == 0xFF) && (priv->iw_mode == IEEE80211_IF_TYPE_IBSS)) - return rc; + return -EINVAL; if (lq->sta_id == 0xFF) lq->sta_id = IWL_AP_ID; @@ -209,23 +243,23 @@ static int rs_send_lq_cmd(struct iwl_pri IWL_DEBUG_RATE("lq dta 0x%X 0x%X\n", lq->general_params.single_stream_ant_msk, lq->general_params.dual_stream_ant_msk); -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL4965_DEBUG for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) IWL_DEBUG_RATE("lq index %d 0x%X\n", i, lq->rs_table[i].rate_n_flags); #endif if (flags & CMD_ASYNC) - cmd.meta.u.callback = iwl_lq_sync_callback; + cmd.meta.u.callback = iwl4965_lq_sync_callback; - if (iwl_is_associated(priv) && priv->assoc_station_added && + if (iwl4965_is_associated(priv) && priv->assoc_station_added && priv->lq_mngr.lq_ready) - rc = iwl_send_cmd(priv, &cmd); + return iwl4965_send_cmd(priv, &cmd); - return rc; + return 0; } -static int rs_rate_scale_clear_window(struct iwl_rate_scale_data *window) +static void rs_rate_scale_clear_window(struct iwl4965_rate_scale_data *window) { window->data = 0; window->success_counter = 0; @@ -233,29 +267,38 @@ static int rs_rate_scale_clear_window(st window->counter = 0; window->average_tpt = IWL_INVALID_VALUE; window->stamp = 0; - - return 0; } -static int rs_collect_tx_data(struct iwl_rate_scale_data *windows, +/** + * rs_collect_tx_data - Update the success/failure sliding window + * + * We keep a sliding window of the last 62 packets transmitted + * at this rate. window->data contains the bitmask of successful + * packets. + */ +static int rs_collect_tx_data(struct iwl4965_rate_scale_data *windows, int scale_index, s32 tpt, u32 status) { - int rc = 0; - struct iwl_rate_scale_data *window = NULL; + struct iwl4965_rate_scale_data *window = NULL; u64 mask; u8 win_size = IWL_RATE_MAX_WINDOW; s32 fail_count; - if (scale_index < 0) - return -1; - - if (scale_index >= IWL_RATE_COUNT) - return -1; + if (scale_index < 0 || scale_index >= IWL_RATE_COUNT) + return -EINVAL; + /* Select data for current tx bit rate */ window = &(windows[scale_index]); + /* + * Keep track of only the latest 62 tx frame attempts in this rate's + * history window; anything older isn't really relevant any more. + * If we have filled up the sliding window, drop the oldest attempt; + * if the oldest attempt (highest bit in bitmap) shows "success", + * subtract "1" from the success counter (this is the main reason + * we keep these bitmaps!). + */ if (window->counter >= win_size) { - window->counter = win_size - 1; mask = 1; mask = (mask << (win_size - 1)); @@ -265,7 +308,11 @@ static int rs_collect_tx_data(struct iwl } } + /* Increment frames-attempted counter */ window->counter = window->counter + 1; + + /* Shift bitmap by one frame (throw away oldest history), + * OR in "1", and increment "success" if this frame was successful. */ mask = window->data; window->data = (mask << 1); if (status != 0) { @@ -273,6 +320,7 @@ static int rs_collect_tx_data(struct iwl window->data |= 0x1; } + /* Calculate current success ratio, avoid divide-by-0! */ if (window->counter > 0) window->success_ratio = 128 * (100 * window->success_counter) / window->counter; @@ -281,37 +329,40 @@ static int rs_collect_tx_data(struct iwl fail_count = window->counter - window->success_counter; + /* Calculate average throughput, if we have enough history. */ if ((fail_count >= IWL_RATE_MIN_FAILURE_TH) || (window->success_counter >= IWL_RATE_MIN_SUCCESS_TH)) window->average_tpt = (window->success_ratio * tpt + 64) / 128; else window->average_tpt = IWL_INVALID_VALUE; + /* Tag this window as having been updated */ window->stamp = jiffies; - return rc; + return 0; } -int static rs_mcs_from_tbl(struct iwl_rate *mcs_rate, - struct iwl_scale_tbl_info *tbl, +/* + * Fill uCode API rate_n_flags field, based on "search" or "active" table. + */ +static void rs_mcs_from_tbl(struct iwl4965_rate *mcs_rate, + struct iwl4965_scale_tbl_info *tbl, int index, u8 use_green) { - int rc = 0; - if (is_legacy(tbl->lq_type)) { - mcs_rate->rate_n_flags = iwl_rates[index].plcp; + mcs_rate->rate_n_flags = iwl4965_rates[index].plcp; if (index >= IWL_FIRST_CCK_RATE && index <= IWL_LAST_CCK_RATE) mcs_rate->rate_n_flags |= RATE_MCS_CCK_MSK; } else if (is_siso(tbl->lq_type)) { if (index > IWL_LAST_OFDM_RATE) index = IWL_LAST_OFDM_RATE; - mcs_rate->rate_n_flags = iwl_rates[index].plcp_siso | + mcs_rate->rate_n_flags = iwl4965_rates[index].plcp_siso | RATE_MCS_HT_MSK; } else { if (index > IWL_LAST_OFDM_RATE) index = IWL_LAST_OFDM_RATE; - mcs_rate->rate_n_flags = iwl_rates[index].plcp_mimo | + mcs_rate->rate_n_flags = iwl4965_rates[index].plcp_mimo | RATE_MCS_HT_MSK; } @@ -330,7 +381,7 @@ int static rs_mcs_from_tbl(struct iwl_ra } if (is_legacy(tbl->lq_type)) - return rc; + return; if (tbl->is_fat) { if (tbl->is_dup) @@ -346,27 +397,31 @@ int static rs_mcs_from_tbl(struct iwl_ra if (is_siso(tbl->lq_type)) mcs_rate->rate_n_flags &= ~RATE_MCS_SGI_MSK; } - return rc; } -static int rs_get_tbl_info_from_mcs(const struct iwl_rate *mcs_rate, - int phymode, struct iwl_scale_tbl_info *tbl, +/* + * Interpret uCode API's rate_n_flags format, + * fill "search" or "active" tx mode table. + */ +static int rs_get_tbl_info_from_mcs(const struct iwl4965_rate *mcs_rate, + int phymode, struct iwl4965_scale_tbl_info *tbl, int *rate_idx) { int index; u32 ant_msk; - index = iwl_rate_index_from_plcp(mcs_rate->rate_n_flags); + index = iwl4965_rate_index_from_plcp(mcs_rate->rate_n_flags); if (index == IWL_RATE_INVALID) { *rate_idx = -1; - return -1; + return -EINVAL; } - tbl->is_SGI = 0; + tbl->is_SGI = 0; /* default legacy setup */ tbl->is_fat = 0; tbl->is_dup = 0; - tbl->antenna_type = ANT_BOTH; + tbl->antenna_type = ANT_BOTH; /* default MIMO setup */ + /* legacy rate format */ if (!(mcs_rate->rate_n_flags & RATE_MCS_HT_MSK)) { ant_msk = (mcs_rate->rate_n_flags & RATE_MCS_ANT_AB_MSK); @@ -386,7 +441,8 @@ static int rs_get_tbl_info_from_mcs(cons } *rate_idx = index; - } else if (iwl_rate_get_rate(mcs_rate->rate_n_flags) + /* HT rate format, SISO (might be 20 MHz legacy or 40 MHz fat width) */ + } else if (iwl4965_rate_get_rate(mcs_rate->rate_n_flags) <= IWL_RATE_SISO_60M_PLCP) { tbl->lq_type = LQ_SISO; @@ -410,6 +466,8 @@ static int rs_get_tbl_info_from_mcs(cons tbl->is_dup = 1; *rate_idx = index; + + /* HT rate format, MIMO (might be 20 MHz legacy or 40 MHz fat width) */ } else { tbl->lq_type = LQ_MIMO; if (mcs_rate->rate_n_flags & RATE_MCS_SGI_MSK) @@ -426,8 +484,8 @@ static int rs_get_tbl_info_from_mcs(cons return 0; } -static inline void rs_toggle_antenna(struct iwl_rate *new_rate, - struct iwl_scale_tbl_info *tbl) +static inline void rs_toggle_antenna(struct iwl4965_rate *new_rate, + struct iwl4965_scale_tbl_info *tbl) { if (tbl->antenna_type == ANT_AUX) { tbl->antenna_type = ANT_MAIN; @@ -440,18 +498,15 @@ static inline void rs_toggle_antenna(str } } -static inline s8 rs_use_green(struct iwl_priv *priv) +static inline u8 rs_use_green(struct iwl4965_priv *priv, + struct ieee80211_conf *conf) { - s8 rc = 0; -#ifdef CONFIG_IWLWIFI_HT - if (!priv->is_ht_enabled || !priv->current_assoc_ht.is_ht) - return 0; - - if ((priv->current_assoc_ht.is_green_field) && - !(priv->current_assoc_ht.operating_mode & 0x4)) - rc = 1; -#endif /*CONFIG_IWLWIFI_HT */ - return rc; +#ifdef CONFIG_IWL4965_HT + return ((conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) && + priv->current_ht_config.is_green_field && + !priv->current_ht_config.non_GF_STA_present); +#endif /* CONFIG_IWL4965_HT */ + return 0; } /** @@ -461,9 +516,9 @@ static inline s8 rs_use_green(struct iwl * basic available rates. * */ -static void rs_get_supported_rates(struct iwl_rate_scale_priv *lq_data, +static void rs_get_supported_rates(struct iwl4965_rate_scale_priv *lq_data, struct ieee80211_hdr *hdr, - enum iwl_table_type rate_type, + enum iwl4965_table_type rate_type, u16 *data_rate) { if (is_legacy(rate_type)) @@ -485,7 +540,7 @@ static u16 rs_get_adjacent_rate(u8 index u8 high = IWL_RATE_INVALID; u8 low = IWL_RATE_INVALID; - /* 802.11A or ht walks to the next literal adjascent rate in + /* 802.11A or ht walks to the next literal adjacent rate in * the rate table */ if (is_a_band(rate_type) || !is_legacy(rate_type)) { int i; @@ -514,7 +569,7 @@ static u16 rs_get_adjacent_rate(u8 index low = index; while (low != IWL_RATE_INVALID) { - low = iwl_rates[low].prev_rs; + low = iwl4965_rates[low].prev_rs; if (low == IWL_RATE_INVALID) break; if (rate_mask & (1 << low)) @@ -524,7 +579,7 @@ static u16 rs_get_adjacent_rate(u8 index high = index; while (high != IWL_RATE_INVALID) { - high = iwl_rates[high].next_rs; + high = iwl4965_rates[high].next_rs; if (high == IWL_RATE_INVALID) break; if (rate_mask & (1 << high)) @@ -535,16 +590,15 @@ static u16 rs_get_adjacent_rate(u8 index return (high << 8) | low; } -static int rs_get_lower_rate(struct iwl_rate_scale_priv *lq_data, - struct iwl_scale_tbl_info *tbl, u8 scale_index, - u8 ht_possible, struct iwl_rate *mcs_rate, - struct sta_info *sta) +static void rs_get_lower_rate(struct iwl4965_rate_scale_priv *lq_data, + struct iwl4965_scale_tbl_info *tbl, u8 scale_index, + u8 ht_possible, struct iwl4965_rate *mcs_rate) { - u8 is_green = lq_data->is_green; s32 low; u16 rate_mask; u16 high_low; u8 switch_to_legacy = 0; + u8 is_green = lq_data->is_green; /* check if we need to switch from HT to legacy rates. * assumption is that mandatory rates (1Mbps or 6Mbps) @@ -567,20 +621,20 @@ static int rs_get_lower_rate(struct iwl_ rs_get_supported_rates(lq_data, NULL, tbl->lq_type, &rate_mask); - /* mask with station rate restriction */ + /* Mask with station rate restriction */ if (is_legacy(tbl->lq_type)) { + /* supp_rates has no CCK bits in A mode */ if (lq_data->phymode == (u8) MODE_IEEE80211A) rate_mask = (u16)(rate_mask & - (sta->supp_rates << IWL_FIRST_OFDM_RATE)); + (lq_data->supp_rates << IWL_FIRST_OFDM_RATE)); else - rate_mask = (u16)(rate_mask & sta->supp_rates); + rate_mask = (u16)(rate_mask & lq_data->supp_rates); } - /* if we did switched from HT to legacy check current rate */ - if ((switch_to_legacy) && - (rate_mask & (1 << scale_index))) { + /* If we switched from HT to legacy, check current rate */ + if (switch_to_legacy && (rate_mask & (1 << scale_index))) { rs_mcs_from_tbl(mcs_rate, tbl, scale_index, is_green); - return 0; + return; } high_low = rs_get_adjacent_rate(scale_index, rate_mask, tbl->lq_type); @@ -590,10 +644,11 @@ static int rs_get_lower_rate(struct iwl_ rs_mcs_from_tbl(mcs_rate, tbl, low, is_green); else rs_mcs_from_tbl(mcs_rate, tbl, scale_index, is_green); - - return 0; } +/* + * mac80211 sends us Tx status + */ static void rs_tx_status(void *priv_rate, struct net_device *dev, struct sk_buff *skb, @@ -602,22 +657,22 @@ static void rs_tx_status(void *priv_rate int status; u8 retries; int rs_index, index = 0; - struct iwl_rate_scale_priv *lq; - struct iwl_link_quality_cmd *table; + struct iwl4965_rate_scale_priv *lq; + struct iwl4965_link_quality_cmd *table; struct sta_info *sta; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct iwl_priv *priv = (struct iwl_priv *)priv_rate; + struct iwl4965_priv *priv = (struct iwl4965_priv *)priv_rate; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct iwl_rate_scale_data *window = NULL; - struct iwl_rate_scale_data *search_win = NULL; - struct iwl_rate tx_mcs; - struct iwl_scale_tbl_info tbl_type; - struct iwl_scale_tbl_info *curr_tbl, *search_tbl; + struct iwl4965_rate_scale_data *window = NULL; + struct iwl4965_rate_scale_data *search_win = NULL; + struct iwl4965_rate tx_mcs; + struct iwl4965_scale_tbl_info tbl_type; + struct iwl4965_scale_tbl_info *curr_tbl, *search_tbl; u8 active_index = 0; u16 fc = le16_to_cpu(hdr->frame_control); s32 tpt = 0; - IWL_DEBUG_RATE("get frame ack response, update rate scale window\n"); + IWL_DEBUG_RATE_LIMIT("get frame ack response, update rate scale window\n"); if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1)) return; @@ -636,7 +691,7 @@ static void rs_tx_status(void *priv_rate return; } - lq = (struct iwl_rate_scale_priv *)sta->rate_ctrl_priv; + lq = (struct iwl4965_rate_scale_priv *)sta->rate_ctrl_priv; if (!priv->lq_mngr.lq_ready) return; @@ -647,16 +702,19 @@ static void rs_tx_status(void *priv_rate table = &lq->lq; active_index = lq->active_tbl; + /* Get mac80211 antenna info */ lq->antenna = (lq->valid_antenna & local->hw.conf.antenna_sel_tx); if (!lq->antenna) lq->antenna = lq->valid_antenna; + /* Ignore mac80211 antenna info for now */ lq->antenna = lq->valid_antenna; + curr_tbl = &(lq->lq_info[active_index]); search_tbl = &(lq->lq_info[(1 - active_index)]); - window = (struct iwl_rate_scale_data *) + window = (struct iwl4965_rate_scale_data *) &(curr_tbl->win[0]); - search_win = (struct iwl_rate_scale_data *) + search_win = (struct iwl4965_rate_scale_data *) &(search_tbl->win[0]); tx_mcs.rate_n_flags = tx_resp->control.tx_rate; @@ -670,6 +728,14 @@ static void rs_tx_status(void *priv_rate return; } + /* + * Ignore this Tx frame response if its initial rate doesn't match + * that of latest Link Quality command. There may be stragglers + * from a previous Link Quality command, but we're no longer interested + * in those; they're either from the "active" mode while we're trying + * to check "search" mode, or a prior "search" mode after we've moved + * to a new "search" mode (which might become the new "active" mode). + */ if (retries && (tx_mcs.rate_n_flags != le32_to_cpu(table->rs_table[0].rate_n_flags))) { @@ -680,12 +746,17 @@ static void rs_tx_status(void *priv_rate return; } + /* Update frame history window with "failure" for each Tx retry. */ while (retries) { + /* Look up the rate and other info used for each tx attempt. + * Each tx attempt steps one entry deeper in the rate table. */ tx_mcs.rate_n_flags = le32_to_cpu(table->rs_table[index].rate_n_flags); rs_get_tbl_info_from_mcs(&tx_mcs, priv->phymode, &tbl_type, &rs_index); + /* If type matches "search" table, + * add failure to "search" history */ if ((tbl_type.lq_type == search_tbl->lq_type) && (tbl_type.antenna_type == search_tbl->antenna_type) && (tbl_type.is_SGI == search_tbl->is_SGI)) { @@ -693,8 +764,10 @@ static void rs_tx_status(void *priv_rate tpt = search_tbl->expected_tpt[rs_index]; else tpt = 0; - rs_collect_tx_data(search_win, - rs_index, tpt, 0); + rs_collect_tx_data(search_win, rs_index, tpt, 0); + + /* Else if type matches "current/active" table, + * add failure to "current/active" history */ } else if ((tbl_type.lq_type == curr_tbl->lq_type) && (tbl_type.antenna_type == curr_tbl->antenna_type) && (tbl_type.is_SGI == curr_tbl->is_SGI)) { @@ -704,6 +777,9 @@ static void rs_tx_status(void *priv_rate tpt = 0; rs_collect_tx_data(window, rs_index, tpt, 0); } + + /* If not searching for a new mode, increment failed counter + * ... this helps determine when to start searching again */ if (lq->stay_in_tbl) lq->total_failed++; --retries; @@ -711,6 +787,11 @@ static void rs_tx_status(void *priv_rate } + /* + * Find (by rate) the history window to update with final Tx attempt; + * if Tx was successful first try, use original rate, + * else look up the rate that was, finally, successful. + */ if (!tx_resp->retry_count) tx_mcs.rate_n_flags = tx_resp->control.tx_rate; else @@ -720,11 +801,14 @@ static void rs_tx_status(void *priv_rate rs_get_tbl_info_from_mcs(&tx_mcs, priv->phymode, &tbl_type, &rs_index); + /* Update frame history window with "success" if Tx got ACKed ... */ if (tx_resp->flags & IEEE80211_TX_STATUS_ACK) status = 1; else status = 0; + /* If type matches "search" table, + * add final tx status to "search" history */ if ((tbl_type.lq_type == search_tbl->lq_type) && (tbl_type.antenna_type == search_tbl->antenna_type) && (tbl_type.is_SGI == search_tbl->is_SGI)) { @@ -734,6 +818,9 @@ static void rs_tx_status(void *priv_rate tpt = 0; rs_collect_tx_data(search_win, rs_index, tpt, status); + + /* Else if type matches "current/active" table, + * add final tx status to "current/active" history */ } else if ((tbl_type.lq_type == curr_tbl->lq_type) && (tbl_type.antenna_type == curr_tbl->antenna_type) && (tbl_type.is_SGI == curr_tbl->is_SGI)) { @@ -744,6 +831,8 @@ static void rs_tx_status(void *priv_rate rs_collect_tx_data(window, rs_index, tpt, status); } + /* If not searching for new mode, increment success/failed counter + * ... these help determine when to start searching again */ if (lq->stay_in_tbl) { if (status) lq->total_success++; @@ -751,48 +840,53 @@ static void rs_tx_status(void *priv_rate lq->total_failed++; } + /* See if there's a better rate or modulation mode to try. */ rs_rate_scale_perform(priv, dev, hdr, sta); sta_info_put(sta); return; } static u8 rs_is_ant_connected(u8 valid_antenna, - enum iwl_antenna_type antenna_type) + enum iwl4965_antenna_type antenna_type) { if (antenna_type == ANT_AUX) return ((valid_antenna & 0x2) ? 1:0); else if (antenna_type == ANT_MAIN) return ((valid_antenna & 0x1) ? 1:0); - else if (antenna_type == ANT_BOTH) { - if ((valid_antenna & 0x3) == 0x3) - return 1; - else - return 0; - } + else if (antenna_type == ANT_BOTH) + return ((valid_antenna & 0x3) == 0x3); return 1; } static u8 rs_is_other_ant_connected(u8 valid_antenna, - enum iwl_antenna_type antenna_type) + enum iwl4965_antenna_type antenna_type) { if (antenna_type == ANT_AUX) - return (rs_is_ant_connected(valid_antenna, ANT_MAIN)); + return rs_is_ant_connected(valid_antenna, ANT_MAIN); else - return (rs_is_ant_connected(valid_antenna, ANT_AUX)); + return rs_is_ant_connected(valid_antenna, ANT_AUX); return 0; } +/* + * Begin a period of staying with a selected modulation mode. + * Set "stay_in_tbl" flag to prevent any mode switches. + * Set frame tx success limits according to legacy vs. high-throughput, + * and reset overall (spanning all rates) tx success history statistics. + * These control how long we stay using same modulation mode before + * searching for a new mode. + */ static void rs_set_stay_in_table(u8 is_legacy, - struct iwl_rate_scale_priv *lq_data) + struct iwl4965_rate_scale_priv *lq_data) { IWL_DEBUG_HT("we are staying in the same table\n"); - lq_data->stay_in_tbl = 1; + lq_data->stay_in_tbl = 1; /* only place this gets set */ if (is_legacy) { lq_data->table_count_limit = IWL_LEGACY_TABLE_COUNT; lq_data->max_failure_limit = IWL_LEGACY_FAILURE_LIMIT; - lq_data->max_success_limit = IWL_LEGACY_TABLE_COUNT; + lq_data->max_success_limit = IWL_LEGACY_SUCCESS_LIMIT; } else { lq_data->table_count_limit = IWL_NONE_LEGACY_TABLE_COUNT; lq_data->max_failure_limit = IWL_NONE_LEGACY_FAILURE_LIMIT; @@ -803,8 +897,11 @@ static void rs_set_stay_in_table(u8 is_l lq_data->total_success = 0; } -static void rs_get_expected_tpt_table(struct iwl_rate_scale_priv *lq_data, - struct iwl_scale_tbl_info *tbl) +/* + * Find correct throughput table for given mode of modulation + */ +static void rs_get_expected_tpt_table(struct iwl4965_rate_scale_priv *lq_data, + struct iwl4965_scale_tbl_info *tbl) { if (is_legacy(tbl->lq_type)) { if (!is_a_band(tbl->lq_type)) @@ -836,18 +933,34 @@ static void rs_get_expected_tpt_table(st tbl->expected_tpt = expected_tpt_G; } -#ifdef CONFIG_IWLWIFI_HT -static s32 rs_get_best_rate(struct iwl_priv *priv, - struct iwl_rate_scale_priv *lq_data, - struct iwl_scale_tbl_info *tbl, +#ifdef CONFIG_IWL4965_HT +/* + * Find starting rate for new "search" high-throughput mode of modulation. + * Goal is to find lowest expected rate (under perfect conditions) that is + * above the current measured throughput of "active" mode, to give new mode + * a fair chance to prove itself without too many challenges. + * + * This gets called when transitioning to more aggressive modulation + * (i.e. legacy to SISO or MIMO, or SISO to MIMO), as well as less aggressive + * (i.e. MIMO to SISO). When moving to MIMO, bit rate will typically need + * to decrease to match "active" throughput. When moving from MIMO to SISO, + * bit rate will typically need to increase, but not if performance was bad. + */ +static s32 rs_get_best_rate(struct iwl4965_priv *priv, + struct iwl4965_rate_scale_priv *lq_data, + struct iwl4965_scale_tbl_info *tbl, /* "search" */ u16 rate_mask, s8 index, s8 rate) { - struct iwl_scale_tbl_info *active_tbl = + /* "active" values */ + struct iwl4965_scale_tbl_info *active_tbl = &(lq_data->lq_info[lq_data->active_tbl]); - s32 new_rate, high, low, start_hi; s32 active_sr = active_tbl->win[index].success_ratio; - s32 *tpt_tbl = tbl->expected_tpt; s32 active_tpt = active_tbl->expected_tpt[index]; + + /* expected "search" throughput */ + s32 *tpt_tbl = tbl->expected_tpt; + + s32 new_rate, high, low, start_hi; u16 high_low; new_rate = high = low = start_hi = IWL_RATE_INVALID; @@ -858,6 +971,21 @@ static s32 rs_get_best_rate(struct iwl_p low = high_low & 0xff; high = (high_low >> 8) & 0xff; + /* + * Lower the "search" bit rate, to give new "search" mode + * approximately the same throughput as "active" if: + * + * 1) "Active" mode has been working modestly well (but not + * great), and expected "search" throughput (under perfect + * conditions) at candidate rate is above the actual + * measured "active" throughput (but less than expected + * "active" throughput under perfect conditions). + * OR + * 2) "Active" mode has been working perfectly or very well + * and expected "search" throughput (under perfect + * conditions) at candidate rate is above expected + * "active" throughput (under perfect conditions). + */ if ((((100 * tpt_tbl[rate]) > lq_data->last_tpt) && ((active_sr > IWL_RATE_DECREASE_TH) && (active_sr <= IWL_RATE_HIGH_TH) && @@ -865,21 +993,38 @@ static s32 rs_get_best_rate(struct iwl_p ((active_sr >= IWL_RATE_SCALE_SWITCH) && (tpt_tbl[rate] > active_tpt))) { + /* (2nd or later pass) + * If we've already tried to raise the rate, and are + * now trying to lower it, use the higher rate. */ if (start_hi != IWL_RATE_INVALID) { new_rate = start_hi; break; } + new_rate = rate; + + /* Loop again with lower rate */ if (low != IWL_RATE_INVALID) rate = low; + + /* Lower rate not available, use the original */ else break; + + /* Else try to raise the "search" rate to match "active" */ } else { + /* (2nd or later pass) + * If we've already tried to lower the rate, and are + * now trying to raise it, use the lower rate. */ if (new_rate != IWL_RATE_INVALID) break; + + /* Loop again with higher rate */ else if (high != IWL_RATE_INVALID) { start_hi = high; rate = high; + + /* Higher rate not available, use the original */ } else { new_rate = rate; break; @@ -889,24 +1034,29 @@ static s32 rs_get_best_rate(struct iwl_p return new_rate; } -#endif /* CONFIG_IWLWIFI_HT */ +#endif /* CONFIG_IWL4965_HT */ static inline u8 rs_is_both_ant_supp(u8 valid_antenna) { return (rs_is_ant_connected(valid_antenna, ANT_BOTH)); } -static int rs_switch_to_mimo(struct iwl_priv *priv, - struct iwl_rate_scale_priv *lq_data, - struct iwl_scale_tbl_info *tbl, int index) +/* + * Set up search table for MIMO + */ +static int rs_switch_to_mimo(struct iwl4965_priv *priv, + struct iwl4965_rate_scale_priv *lq_data, + struct ieee80211_conf *conf, + struct sta_info *sta, + struct iwl4965_scale_tbl_info *tbl, int index) { - int rc = -1; -#ifdef CONFIG_IWLWIFI_HT +#ifdef CONFIG_IWL4965_HT u16 rate_mask; s32 rate; s8 is_green = lq_data->is_green; - if (!priv->is_ht_enabled || !priv->current_assoc_ht.is_ht) + if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) || + !sta->ht_info.ht_supported) return -1; IWL_DEBUG_HT("LQ: try to switch to MIMO\n"); @@ -914,26 +1064,27 @@ static int rs_switch_to_mimo(struct iwl_ rs_get_supported_rates(lq_data, NULL, tbl->lq_type, &rate_mask); - if (priv->current_assoc_ht.tx_mimo_ps_mode == IWL_MIMO_PS_STATIC) + if (priv->current_ht_config.tx_mimo_ps_mode == IWL_MIMO_PS_STATIC) return -1; + /* Need both Tx chains/antennas to support MIMO */ if (!rs_is_both_ant_supp(lq_data->antenna)) return -1; - rc = 0; tbl->is_dup = lq_data->is_dup; tbl->action = 0; - if (priv->current_channel_width == IWL_CHANNEL_WIDTH_40MHZ) + if (priv->current_ht_config.supported_chan_width + == IWL_CHANNEL_WIDTH_40MHZ) tbl->is_fat = 1; else tbl->is_fat = 0; if (tbl->is_fat) { - if (priv->current_assoc_ht.sgf & HT_SHORT_GI_40MHZ_ONLY) + if (priv->current_ht_config.sgf & HT_SHORT_GI_40MHZ_ONLY) tbl->is_SGI = 1; else tbl->is_SGI = 0; - } else if (priv->current_assoc_ht.sgf & HT_SHORT_GI_20MHZ_ONLY) + } else if (priv->current_ht_config.sgf & HT_SHORT_GI_20MHZ_ONLY) tbl->is_SGI = 1; else tbl->is_SGI = 0; @@ -949,43 +1100,49 @@ static int rs_switch_to_mimo(struct iwl_ IWL_DEBUG_HT("LQ: Switch to new mcs %X index is green %X\n", tbl->current_rate.rate_n_flags, is_green); - -#endif /*CONFIG_IWLWIFI_HT */ - return rc; + return 0; +#else + return -1; +#endif /*CONFIG_IWL4965_HT */ } -static int rs_switch_to_siso(struct iwl_priv *priv, - struct iwl_rate_scale_priv *lq_data, - struct iwl_scale_tbl_info *tbl, int index) +/* + * Set up search table for SISO + */ +static int rs_switch_to_siso(struct iwl4965_priv *priv, + struct iwl4965_rate_scale_priv *lq_data, + struct ieee80211_conf *conf, + struct sta_info *sta, + struct iwl4965_scale_tbl_info *tbl, int index) { - int rc = -1; -#ifdef CONFIG_IWLWIFI_HT +#ifdef CONFIG_IWL4965_HT u16 rate_mask; u8 is_green = lq_data->is_green; s32 rate; IWL_DEBUG_HT("LQ: try to switch to SISO\n"); - if (!priv->is_ht_enabled || !priv->current_assoc_ht.is_ht) + if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) || + !sta->ht_info.ht_supported) return -1; - rc = 0; tbl->is_dup = lq_data->is_dup; tbl->lq_type = LQ_SISO; tbl->action = 0; rs_get_supported_rates(lq_data, NULL, tbl->lq_type, &rate_mask); - if (priv->current_channel_width == IWL_CHANNEL_WIDTH_40MHZ) + if (priv->current_ht_config.supported_chan_width + == IWL_CHANNEL_WIDTH_40MHZ) tbl->is_fat = 1; else tbl->is_fat = 0; if (tbl->is_fat) { - if (priv->current_assoc_ht.sgf & HT_SHORT_GI_40MHZ_ONLY) + if (priv->current_ht_config.sgf & HT_SHORT_GI_40MHZ_ONLY) tbl->is_SGI = 1; else tbl->is_SGI = 0; - } else if (priv->current_assoc_ht.sgf & HT_SHORT_GI_20MHZ_ONLY) + } else if (priv->current_ht_config.sgf & HT_SHORT_GI_20MHZ_ONLY) tbl->is_SGI = 1; else tbl->is_SGI = 0; @@ -1005,23 +1162,30 @@ static int rs_switch_to_siso(struct iwl_ rs_mcs_from_tbl(&tbl->current_rate, tbl, rate, is_green); IWL_DEBUG_HT("LQ: Switch to new mcs %X index is green %X\n", tbl->current_rate.rate_n_flags, is_green); + return 0; +#else + return -1; -#endif /*CONFIG_IWLWIFI_HT */ - return rc; +#endif /*CONFIG_IWL4965_HT */ } -static int rs_move_legacy_other(struct iwl_priv *priv, - struct iwl_rate_scale_priv *lq_data, +/* + * Try to switch to new modulation mode from legacy + */ +static int rs_move_legacy_other(struct iwl4965_priv *priv, + struct iwl4965_rate_scale_priv *lq_data, + struct ieee80211_conf *conf, + struct sta_info *sta, int index) { - int rc = 0; - struct iwl_scale_tbl_info *tbl = + int ret = 0; + struct iwl4965_scale_tbl_info *tbl = &(lq_data->lq_info[lq_data->active_tbl]); - struct iwl_scale_tbl_info *search_tbl = + struct iwl4965_scale_tbl_info *search_tbl = &(lq_data->lq_info[(1 - lq_data->active_tbl)]); - struct iwl_rate_scale_data *window = &(tbl->win[index]); - u32 sz = (sizeof(struct iwl_scale_tbl_info) - - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); + struct iwl4965_rate_scale_data *window = &(tbl->win[index]); + u32 sz = (sizeof(struct iwl4965_scale_tbl_info) - + (sizeof(struct iwl4965_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action = tbl->action; for (; ;) { @@ -1031,12 +1195,17 @@ static int rs_move_legacy_other(struct i search_tbl->lq_type = LQ_NONE; lq_data->action_counter++; + + /* Don't change antenna if success has been great */ if (window->success_ratio >= IWL_RS_GOOD_RATIO) break; + + /* Don't change antenna if other one is not connected */ if (!rs_is_other_ant_connected(lq_data->antenna, tbl->antenna_type)) break; + /* Set up search table to try other antenna */ memcpy(search_tbl, tbl, sz); rs_toggle_antenna(&(search_tbl->current_rate), @@ -1047,35 +1216,37 @@ static int rs_move_legacy_other(struct i case IWL_LEGACY_SWITCH_SISO: IWL_DEBUG_HT("LQ: Legacy switch to SISO\n"); + + /* Set up search table to try SISO */ memcpy(search_tbl, tbl, sz); search_tbl->lq_type = LQ_SISO; search_tbl->is_SGI = 0; search_tbl->is_fat = 0; - rc = rs_switch_to_siso(priv, lq_data, search_tbl, - index); - if (!rc) { + ret = rs_switch_to_siso(priv, lq_data, conf, sta, + search_tbl, index); + if (!ret) { lq_data->search_better_tbl = 1; lq_data->action_counter = 0; - } - if (!rc) goto out; + } break; case IWL_LEGACY_SWITCH_MIMO: IWL_DEBUG_HT("LQ: Legacy switch MIMO\n"); + + /* Set up search table to try MIMO */ memcpy(search_tbl, tbl, sz); search_tbl->lq_type = LQ_MIMO; search_tbl->is_SGI = 0; search_tbl->is_fat = 0; search_tbl->antenna_type = ANT_BOTH; - rc = rs_switch_to_mimo(priv, lq_data, search_tbl, - index); - if (!rc) { + ret = rs_switch_to_mimo(priv, lq_data, conf, sta, + search_tbl, index); + if (!ret) { lq_data->search_better_tbl = 1; lq_data->action_counter = 0; - } - if (!rc) goto out; + } break; } tbl->action++; @@ -1096,19 +1267,24 @@ static int rs_move_legacy_other(struct i } -static int rs_move_siso_to_other(struct iwl_priv *priv, - struct iwl_rate_scale_priv *lq_data, +/* + * Try to switch to new modulation mode from SISO + */ +static int rs_move_siso_to_other(struct iwl4965_priv *priv, + struct iwl4965_rate_scale_priv *lq_data, + struct ieee80211_conf *conf, + struct sta_info *sta, int index) { - int rc = -1; + int ret; u8 is_green = lq_data->is_green; - struct iwl_scale_tbl_info *tbl = + struct iwl4965_scale_tbl_info *tbl = &(lq_data->lq_info[lq_data->active_tbl]); - struct iwl_scale_tbl_info *search_tbl = + struct iwl4965_scale_tbl_info *search_tbl = &(lq_data->lq_info[(1 - lq_data->active_tbl)]); - struct iwl_rate_scale_data *window = &(tbl->win[index]); - u32 sz = (sizeof(struct iwl_scale_tbl_info) - - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); + struct iwl4965_rate_scale_data *window = &(tbl->win[index]); + u32 sz = (sizeof(struct iwl4965_scale_tbl_info) - + (sizeof(struct iwl4965_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action = tbl->action; for (;;) { @@ -1138,13 +1314,12 @@ static int rs_move_siso_to_other(struct search_tbl->is_SGI = 0; search_tbl->is_fat = 0; search_tbl->antenna_type = ANT_BOTH; - rc = rs_switch_to_mimo(priv, lq_data, search_tbl, - index); - if (!rc) + ret = rs_switch_to_mimo(priv, lq_data, conf, sta, + search_tbl, index); + if (!ret) { lq_data->search_better_tbl = 1; - - if (!rc) goto out; + } break; case IWL_SISO_SWITCH_GI: IWL_DEBUG_HT("LQ: SISO SWITCH TO GI\n"); @@ -1187,18 +1362,23 @@ static int rs_move_siso_to_other(struct return 0; } -static int rs_move_mimo_to_other(struct iwl_priv *priv, - struct iwl_rate_scale_priv *lq_data, +/* + * Try to switch to new modulation mode from MIMO + */ +static int rs_move_mimo_to_other(struct iwl4965_priv *priv, + struct iwl4965_rate_scale_priv *lq_data, + struct ieee80211_conf *conf, + struct sta_info *sta, int index) { - int rc = -1; + int ret; s8 is_green = lq_data->is_green; - struct iwl_scale_tbl_info *tbl = + struct iwl4965_scale_tbl_info *tbl = &(lq_data->lq_info[lq_data->active_tbl]); - struct iwl_scale_tbl_info *search_tbl = + struct iwl4965_scale_tbl_info *search_tbl = &(lq_data->lq_info[(1 - lq_data->active_tbl)]); - u32 sz = (sizeof(struct iwl_scale_tbl_info) - - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); + u32 sz = (sizeof(struct iwl4965_scale_tbl_info) - + (sizeof(struct iwl4965_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action = tbl->action; for (;;) { @@ -1207,6 +1387,8 @@ static int rs_move_mimo_to_other(struct case IWL_MIMO_SWITCH_ANTENNA_A: case IWL_MIMO_SWITCH_ANTENNA_B: IWL_DEBUG_HT("LQ: MIMO SWITCH TO SISO\n"); + + /* Set up new search table for SISO */ memcpy(search_tbl, tbl, sz); search_tbl->lq_type = LQ_SISO; search_tbl->is_SGI = 0; @@ -1216,9 +1398,9 @@ static int rs_move_mimo_to_other(struct else search_tbl->antenna_type = ANT_AUX; - rc = rs_switch_to_siso(priv, lq_data, search_tbl, - index); - if (!rc) { + ret = rs_switch_to_siso(priv, lq_data, conf, sta, + search_tbl, index); + if (!ret) { lq_data->search_better_tbl = 1; goto out; } @@ -1226,6 +1408,8 @@ static int rs_move_mimo_to_other(struct case IWL_MIMO_SWITCH_GI: IWL_DEBUG_HT("LQ: MIMO SWITCH TO GI\n"); + + /* Set up new search table for MIMO */ memcpy(search_tbl, tbl, sz); search_tbl->lq_type = LQ_MIMO; search_tbl->antenna_type = ANT_BOTH; @@ -1235,6 +1419,13 @@ static int rs_move_mimo_to_other(struct else search_tbl->is_SGI = 1; lq_data->search_better_tbl = 1; + + /* + * If active table already uses the fastest possible + * modulation (dual stream with short guard interval), + * and it's working well, there's no need to look + * for a better type of modulation! + */ if ((tbl->lq_type == LQ_MIMO) && (tbl->is_SGI)) { s32 tpt = lq_data->last_tpt / 100; @@ -1267,9 +1458,16 @@ static int rs_move_mimo_to_other(struct } -static void rs_stay_in_table(struct iwl_rate_scale_priv *lq_data) +/* + * Check whether we should continue using same modulation mode, or + * begin search for a new mode, based on: + * 1) # tx successes or failures while using this mode + * 2) # times calling this function + * 3) elapsed time in this mode (not used, for now) + */ +static void rs_stay_in_table(struct iwl4965_rate_scale_priv *lq_data) { - struct iwl_scale_tbl_info *tbl; + struct iwl4965_scale_tbl_info *tbl; int i; int active_tbl; int flush_interval_passed = 0; @@ -1278,15 +1476,27 @@ static void rs_stay_in_table(struct iwl_ tbl = &(lq_data->lq_info[active_tbl]); + /* If we've been disallowing search, see if we should now allow it */ if (lq_data->stay_in_tbl) { + /* Elapsed time using current modulation mode */ if (lq_data->flush_timer) flush_interval_passed = time_after(jiffies, (unsigned long)(lq_data->flush_timer + IWL_RATE_SCALE_FLUSH_INTVL)); + /* For now, disable the elapsed time criterion */ flush_interval_passed = 0; + + /* + * Check if we should allow search for new modulation mode. + * If many frames have failed or succeeded, or we've used + * this same modulation for a long time, allow search, and + * reset history stats that keep track of whether we should + * allow a new search. Also (below) reset all bitmaps and + * stats in active history. + */ if ((lq_data->total_failed > lq_data->max_failure_limit) || (lq_data->total_success > lq_data->max_success_limit) || ((!lq_data->search_better_tbl) && (lq_data->flush_timer) @@ -1295,11 +1505,20 @@ static void rs_stay_in_table(struct iwl_ lq_data->total_failed, lq_data->total_success, flush_interval_passed); - lq_data->stay_in_tbl = 0; + + /* Allow search for new mode */ + lq_data->stay_in_tbl = 0; /* only place reset */ lq_data->total_failed = 0; lq_data->total_success = 0; lq_data->flush_timer = 0; - } else if (lq_data->table_count > 0) { + + /* + * Else if we've used this modulation mode enough repetitions + * (regardless of elapsed time or success/failure), reset + * history bitmaps and rate-specific stats for all rates in + * active table. + */ + } else { lq_data->table_count++; if (lq_data->table_count >= lq_data->table_count_limit) { @@ -1312,6 +1531,9 @@ static void rs_stay_in_table(struct iwl_ } } + /* If transitioning to allow "search", reset all history + * bitmaps and stats in active table (this will become the new + * "search" table). */ if (!lq_data->stay_in_tbl) { for (i = 0; i < IWL_RATE_COUNT; i++) rs_rate_scale_clear_window(&(tbl->win[i])); @@ -1319,16 +1541,22 @@ static void rs_stay_in_table(struct iwl_ } } -static void rs_rate_scale_perform(struct iwl_priv *priv, +/* + * Do rate scaling and search for new modulation mode. + */ +static void rs_rate_scale_perform(struct iwl4965_priv *priv, struct net_device *dev, struct ieee80211_hdr *hdr, struct sta_info *sta) { + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_hw *hw = local_to_hw(local); + struct ieee80211_conf *conf = &hw->conf; int low = IWL_RATE_INVALID; int high = IWL_RATE_INVALID; int index; int i; - struct iwl_rate_scale_data *window = NULL; + struct iwl4965_rate_scale_data *window = NULL; int current_tpt = IWL_INVALID_VALUE; int low_tpt = IWL_INVALID_VALUE; int high_tpt = IWL_INVALID_VALUE; @@ -1336,10 +1564,10 @@ static void rs_rate_scale_perform(struct s8 scale_action = 0; u16 fc, rate_mask; u8 update_lq = 0; - struct iwl_rate_scale_priv *lq_data; - struct iwl_scale_tbl_info *tbl, *tbl1; + struct iwl4965_rate_scale_priv *lq_data; + struct iwl4965_scale_tbl_info *tbl, *tbl1; u16 rate_scale_index_msk = 0; - struct iwl_rate mcs_rate; + struct iwl4965_rate mcs_rate; u8 is_green = 0; u8 active_tbl = 0; u8 done_search = 0; @@ -1362,8 +1590,13 @@ static void rs_rate_scale_perform(struct IWL_DEBUG_RATE("still rate scaling not ready\n"); return; } - lq_data = (struct iwl_rate_scale_priv *)sta->rate_ctrl_priv; + lq_data = (struct iwl4965_rate_scale_priv *)sta->rate_ctrl_priv; + /* + * Select rate-scale / modulation-mode table to work with in + * the rest of this function: "search" if searching for better + * modulation mode, or "active" if doing rate scaling within a mode. + */ if (!lq_data->search_better_tbl) active_tbl = lq_data->active_tbl; else @@ -1372,11 +1605,13 @@ static void rs_rate_scale_perform(struct tbl = &(lq_data->lq_info[active_tbl]); is_green = lq_data->is_green; + /* current tx rate */ index = sta->last_txrate; IWL_DEBUG_RATE("Rate scale index %d for type %d\n", index, tbl->lq_type); + /* rates available for this association, and for modulation mode */ rs_get_supported_rates(lq_data, hdr, tbl->lq_type, &rate_mask); @@ -1385,11 +1620,12 @@ static void rs_rate_scale_perform(struct /* mask with station rate restriction */ if (is_legacy(tbl->lq_type)) { if (lq_data->phymode == (u8) MODE_IEEE80211A) + /* supp_rates has no CCK bits in A mode */ rate_scale_index_msk = (u16) (rate_mask & - (sta->supp_rates << IWL_FIRST_OFDM_RATE)); + (lq_data->supp_rates << IWL_FIRST_OFDM_RATE)); else rate_scale_index_msk = (u16) (rate_mask & - sta->supp_rates); + lq_data->supp_rates); } else rate_scale_index_msk = rate_mask; @@ -1397,11 +1633,13 @@ static void rs_rate_scale_perform(struct if (!rate_scale_index_msk) rate_scale_index_msk = rate_mask; + /* If current rate is no longer supported on current association, + * or user changed preferences for rates, find a new supported rate. */ if (index < 0 || !((1 << index) & rate_scale_index_msk)) { index = IWL_INVALID_VALUE; update_lq = 1; - /* get the lowest availabe rate */ + /* get the highest available rate */ for (i = 0; i <= IWL_RATE_COUNT; i++) { if ((1 << i) & rate_scale_index_msk) index = i; @@ -1413,11 +1651,19 @@ static void rs_rate_scale_perform(struct } } + /* Get expected throughput table and history window for current rate */ if (!tbl->expected_tpt) rs_get_expected_tpt_table(lq_data, tbl); window = &(tbl->win[index]); + /* + * If there is not enough history to calculate actual average + * throughput, keep analyzing results of more tx frames, without + * changing rate or mode (bypass most of the rest of this function). + * Set up new rate table in uCode only if old rate is not supported + * in current association (use new rate found above). + */ fail_count = window->counter - window->success_counter; if (((fail_count < IWL_RATE_MIN_FAILURE_TH) && (window->success_counter < IWL_RATE_MIN_SUCCESS_TH)) @@ -1425,22 +1671,35 @@ static void rs_rate_scale_perform(struct IWL_DEBUG_RATE("LQ: still below TH succ %d total %d " "for index %d\n", window->success_counter, window->counter, index); + + /* Can't calculate this yet; not enough history */ window->average_tpt = IWL_INVALID_VALUE; + + /* Should we stay with this modulation mode, + * or search for a new one? */ rs_stay_in_table(lq_data); + + /* Set up new rate table in uCode, if needed */ if (update_lq) { rs_mcs_from_tbl(&mcs_rate, tbl, index, is_green); - rs_fill_link_cmd(lq_data, &mcs_rate, &lq_data->lq, sta); + rs_fill_link_cmd(lq_data, &mcs_rate, &lq_data->lq); rs_send_lq_cmd(priv, &lq_data->lq, CMD_ASYNC); } goto out; + /* Else we have enough samples; calculate estimate of + * actual average throughput */ } else window->average_tpt = ((window->success_ratio * tbl->expected_tpt[index] + 64) / 128); + /* If we are searching for better modulation mode, check success. */ if (lq_data->search_better_tbl) { int success_limit = IWL_RATE_SCALE_SWITCH; + /* If good success, continue using the "search" mode; + * no need to send new link quality command, since we're + * continuing to use the setup that we've been trying. */ if ((window->success_ratio > success_limit) || (window->average_tpt > lq_data->last_tpt)) { if (!is_legacy(tbl->lq_type)) { @@ -1452,55 +1711,78 @@ static void rs_rate_scale_perform(struct lq_data->last_tpt); lq_data->enable_counter = 1; } + /* Swap tables; "search" becomes "active" */ lq_data->active_tbl = active_tbl; current_tpt = window->average_tpt; + + /* Else poor success; go back to mode in "active" table */ } else { + /* Nullify "search" table */ tbl->lq_type = LQ_NONE; + + /* Revert to "active" table */ active_tbl = lq_data->active_tbl; tbl = &(lq_data->lq_info[active_tbl]); - index = iwl_rate_index_from_plcp( + /* Revert to "active" rate and throughput info */ + index = iwl4965_rate_index_from_plcp( tbl->current_rate.rate_n_flags); + current_tpt = lq_data->last_tpt; + /* Need to set up a new rate table in uCode */ update_lq = 1; - current_tpt = lq_data->last_tpt; IWL_DEBUG_HT("XXY GO BACK TO OLD TABLE\n"); } + + /* Either way, we've made a decision; modulation mode + * search is done, allow rate adjustment next time. */ lq_data->search_better_tbl = 0; - done_search = 1; + done_search = 1; /* Don't switch modes below! */ goto lq_update; } + /* (Else) not in search of better modulation mode, try for better + * starting rate, while staying in this mode. */ high_low = rs_get_adjacent_rate(index, rate_scale_index_msk, tbl->lq_type); low = high_low & 0xff; high = (high_low >> 8) & 0xff; + /* Collect measured throughputs for current and adjacent rates */ current_tpt = window->average_tpt; - if (low != IWL_RATE_INVALID) low_tpt = tbl->win[low].average_tpt; - if (high != IWL_RATE_INVALID) high_tpt = tbl->win[high].average_tpt; - + /* Assume rate increase */ scale_action = 1; + /* Too many failures, decrease rate */ if ((window->success_ratio <= IWL_RATE_DECREASE_TH) || (current_tpt == 0)) { IWL_DEBUG_RATE("decrease rate because of low success_ratio\n"); scale_action = -1; + + /* No throughput measured yet for adjacent rates; try increase. */ } else if ((low_tpt == IWL_INVALID_VALUE) && (high_tpt == IWL_INVALID_VALUE)) scale_action = 1; + + /* Both adjacent throughputs are measured, but neither one has better + * throughput; we're using the best rate, don't change it! */ else if ((low_tpt != IWL_INVALID_VALUE) && (high_tpt != IWL_INVALID_VALUE) && (low_tpt < current_tpt) && (high_tpt < current_tpt)) scale_action = 0; + + /* At least one adjacent rate's throughput is measured, + * and may have better performance. */ else { + /* Higher adjacent rate's throughput is measured */ if (high_tpt != IWL_INVALID_VALUE) { + /* Higher rate has better throughput */ if (high_tpt > current_tpt) scale_action = 1; else { @@ -1508,7 +1790,10 @@ static void rs_rate_scale_perform(struct ("decrease rate because of high tpt\n"); scale_action = -1; } + + /* Lower adjacent rate's throughput is measured */ } else if (low_tpt != IWL_INVALID_VALUE) { + /* Lower rate has better throughput */ if (low_tpt > current_tpt) { IWL_DEBUG_RATE ("decrease rate because of low tpt\n"); @@ -1518,23 +1803,30 @@ static void rs_rate_scale_perform(struct } } + /* Sanity check; asked for decrease, but success rate or throughput + * has been good at old rate. Don't change it. */ if (scale_action == -1) { if ((low != IWL_RATE_INVALID) && ((window->success_ratio > IWL_RATE_HIGH_TH) || (current_tpt > (100 * tbl->expected_tpt[low])))) scale_action = 0; + + /* Sanity check; asked for increase, but success rate has not been great + * even at old rate, higher rate will be worse. Don't change it. */ } else if ((scale_action == 1) && (window->success_ratio < IWL_RATE_INCREASE_TH)) scale_action = 0; switch (scale_action) { case -1: + /* Decrease starting rate, update uCode's rate table */ if (low != IWL_RATE_INVALID) { update_lq = 1; index = low; } break; case 1: + /* Increase starting rate, update uCode's rate table */ if (high != IWL_RATE_INVALID) { update_lq = 1; index = high; @@ -1542,6 +1834,7 @@ static void rs_rate_scale_perform(struct break; case 0: + /* No change */ default: break; } @@ -1551,42 +1844,62 @@ static void rs_rate_scale_perform(struct index, scale_action, low, high, tbl->lq_type); lq_update: + /* Replace uCode's rate table for the destination station. */ if (update_lq) { rs_mcs_from_tbl(&mcs_rate, tbl, index, is_green); - rs_fill_link_cmd(lq_data, &mcs_rate, &lq_data->lq, sta); + rs_fill_link_cmd(lq_data, &mcs_rate, &lq_data->lq); rs_send_lq_cmd(priv, &lq_data->lq, CMD_ASYNC); } + + /* Should we stay with this modulation mode, or search for a new one? */ rs_stay_in_table(lq_data); + /* + * Search for new modulation mode if we're: + * 1) Not changing rates right now + * 2) Not just finishing up a search + * 3) Allowing a new search + */ if (!update_lq && !done_search && !lq_data->stay_in_tbl) { + /* Save current throughput to compare with "search" throughput*/ lq_data->last_tpt = current_tpt; + /* Select a new "search" modulation mode to try. + * If one is found, set up the new "search" table. */ if (is_legacy(tbl->lq_type)) - rs_move_legacy_other(priv, lq_data, index); + rs_move_legacy_other(priv, lq_data, conf, sta, index); else if (is_siso(tbl->lq_type)) - rs_move_siso_to_other(priv, lq_data, index); + rs_move_siso_to_other(priv, lq_data, conf, sta, index); else - rs_move_mimo_to_other(priv, lq_data, index); + rs_move_mimo_to_other(priv, lq_data, conf, sta, index); + /* If new "search" mode was selected, set up in uCode table */ if (lq_data->search_better_tbl) { + /* Access the "search" table, clear its history. */ tbl = &(lq_data->lq_info[(1 - lq_data->active_tbl)]); for (i = 0; i < IWL_RATE_COUNT; i++) rs_rate_scale_clear_window(&(tbl->win[i])); - index = iwl_rate_index_from_plcp( + /* Use new "search" start rate */ + index = iwl4965_rate_index_from_plcp( tbl->current_rate.rate_n_flags); IWL_DEBUG_HT("Switch current mcs: %X index: %d\n", tbl->current_rate.rate_n_flags, index); rs_fill_link_cmd(lq_data, &tbl->current_rate, - &(lq_data->lq), sta); + &lq_data->lq); rs_send_lq_cmd(priv, &lq_data->lq, CMD_ASYNC); } - tbl1 = &(lq_data->lq_info[lq_data->active_tbl]); + /* If the "active" (non-search) mode was legacy, + * and we've tried switching antennas, + * but we haven't been able to try HT modes (not available), + * stay with best antenna legacy modulation for a while + * before next round of mode comparisons. */ + tbl1 = &(lq_data->lq_info[lq_data->active_tbl]); if (is_legacy(tbl1->lq_type) && -#ifdef CONFIG_IWLWIFI_HT - !priv->current_assoc_ht.is_ht && +#ifdef CONFIG_IWL4965_HT + (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)) && #endif (lq_data->action_counter >= 1)) { lq_data->action_counter = 0; @@ -1594,19 +1907,31 @@ static void rs_rate_scale_perform(struct rs_set_stay_in_table(1, lq_data); } + /* If we're in an HT mode, and all 3 mode switch actions + * have been tried and compared, stay in this best modulation + * mode for a while before next round of mode comparisons. */ if (lq_data->enable_counter && (lq_data->action_counter >= IWL_ACTION_LIMIT)) { -#ifdef CONFIG_IWLWIFI_HT_AGG +#ifdef CONFIG_IWL4965_HT_AGG + /* If appropriate, set up aggregation! */ if ((lq_data->last_tpt > TID_AGG_TPT_THREHOLD) && (priv->lq_mngr.agg_ctrl.auto_agg)) { priv->lq_mngr.agg_ctrl.tid_retry = TID_ALL_SPECIFIED; schedule_work(&priv->agg_work); } -#endif /*CONFIG_IWLWIFI_HT_AGG */ +#endif /*CONFIG_IWL4965_HT_AGG */ lq_data->action_counter = 0; rs_set_stay_in_table(0, lq_data); } + + /* + * Else, don't search for a new modulation mode. + * Put new timestamp in stay-in-modulation-mode flush timer if: + * 1) Not changing rates right now + * 2) Not just finishing up a search + * 3) flush timer is empty + */ } else { if ((!update_lq) && (!done_search) && (!lq_data->flush_timer)) lq_data->flush_timer = jiffies; @@ -1629,21 +1954,22 @@ out: } -static void rs_initialize_lq(struct iwl_priv *priv, +static void rs_initialize_lq(struct iwl4965_priv *priv, + struct ieee80211_conf *conf, struct sta_info *sta) { int i; - struct iwl_rate_scale_priv *lq; - struct iwl_scale_tbl_info *tbl; + struct iwl4965_rate_scale_priv *lq; + struct iwl4965_scale_tbl_info *tbl; u8 active_tbl = 0; int rate_idx; - u8 use_green = rs_use_green(priv); - struct iwl_rate mcs_rate; + u8 use_green = rs_use_green(priv, conf); + struct iwl4965_rate mcs_rate; if (!sta || !sta->rate_ctrl_priv) goto out; - lq = (struct iwl_rate_scale_priv *)sta->rate_ctrl_priv; + lq = (struct iwl4965_rate_scale_priv *)sta->rate_ctrl_priv; i = sta->last_txrate; if ((lq->lq.sta_id == 0xff) && @@ -1660,7 +1986,7 @@ static void rs_initialize_lq(struct iwl_ if ((i < 0) || (i >= IWL_RATE_COUNT)) i = 0; - mcs_rate.rate_n_flags = iwl_rates[i].plcp ; + mcs_rate.rate_n_flags = iwl4965_rates[i].plcp ; mcs_rate.rate_n_flags |= RATE_MCS_ANT_B_MSK; mcs_rate.rate_n_flags &= ~RATE_MCS_ANT_A_MSK; @@ -1670,12 +1996,12 @@ static void rs_initialize_lq(struct iwl_ tbl->antenna_type = ANT_AUX; rs_get_tbl_info_from_mcs(&mcs_rate, priv->phymode, tbl, &rate_idx); if (!rs_is_ant_connected(priv->valid_antenna, tbl->antenna_type)) - rs_toggle_antenna(&mcs_rate, tbl), + rs_toggle_antenna(&mcs_rate, tbl); rs_mcs_from_tbl(&mcs_rate, tbl, rate_idx, use_green); tbl->current_rate.rate_n_flags = mcs_rate.rate_n_flags; rs_get_expected_tpt_table(lq, tbl); - rs_fill_link_cmd(lq, &mcs_rate, &(lq->lq), sta); + rs_fill_link_cmd(lq, &mcs_rate, &lq->lq); rs_send_lq_cmd(priv, &lq->lq, CMD_ASYNC); out: return; @@ -1706,13 +2032,14 @@ static struct ieee80211_rate *rs_get_rat int i; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_conf *conf = &local->hw.conf; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct sta_info *sta; u16 fc; - struct iwl_priv *priv = (struct iwl_priv *)priv_rate; - struct iwl_rate_scale_priv *lq; + struct iwl4965_priv *priv = (struct iwl4965_priv *)priv_rate; + struct iwl4965_rate_scale_priv *lq; - IWL_DEBUG_RATE("rate scale calculate new rate for skb\n"); + IWL_DEBUG_RATE_LIMIT("rate scale calculate new rate for skb\n"); memset(extra, 0, sizeof(*extra)); @@ -1732,23 +2059,24 @@ static struct ieee80211_rate *rs_get_rat return rs_get_lowest_rate(local); } - lq = (struct iwl_rate_scale_priv *)sta->rate_ctrl_priv; + lq = (struct iwl4965_rate_scale_priv *)sta->rate_ctrl_priv; i = sta->last_txrate; if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) && !lq->ibss_sta_added) { - u8 sta_id = iwl_hw_find_station(priv, hdr->addr1); + u8 sta_id = iwl4965_hw_find_station(priv, hdr->addr1); + DECLARE_MAC_BUF(mac); if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_RATE("LQ: ADD station " MAC_FMT "\n", - MAC_ARG(hdr->addr1)); - sta_id = iwl_add_station(priv, - hdr->addr1, 0, CMD_ASYNC); + IWL_DEBUG_RATE("LQ: ADD station %s\n", + print_mac(mac, hdr->addr1)); + sta_id = iwl4965_add_station_flags(priv, hdr->addr1, + 0, CMD_ASYNC, NULL); } if ((sta_id != IWL_INVALID_STATION)) { lq->lq.sta_id = sta_id; lq->lq.rs_table[0].rate_n_flags = 0; lq->ibss_sta_added = 1; - rs_initialize_lq(priv, sta); + rs_initialize_lq(priv, conf, sta); } if (!lq->ibss_sta_added) goto done; @@ -1764,19 +2092,18 @@ static struct ieee80211_rate *rs_get_rat static void *rs_alloc_sta(void *priv, gfp_t gfp) { - struct iwl_rate_scale_priv *crl; + struct iwl4965_rate_scale_priv *crl; int i, j; IWL_DEBUG_RATE("create station rate scale window\n"); - crl = kzalloc(sizeof(struct iwl_rate_scale_priv), gfp); + crl = kzalloc(sizeof(struct iwl4965_rate_scale_priv), gfp); if (crl == NULL) return NULL; - - memset(crl, 0, sizeof(struct iwl_rate_scale_priv)); crl->lq.sta_id = 0xff; + for (j = 0; j < LQ_SIZE; j++) for (i = 0; i < IWL_RATE_COUNT; i++) rs_rate_scale_clear_window(&(crl->lq_info[j].win[i])); @@ -1789,14 +2116,13 @@ static void rs_rate_init(void *priv_rate struct sta_info *sta) { int i, j; + struct ieee80211_conf *conf = &local->hw.conf; struct ieee80211_hw_mode *mode = local->oper_hw_mode; - struct iwl_priv *priv = (struct iwl_priv *)priv_rate; - struct iwl_rate_scale_priv *crl = priv_sta; + struct iwl4965_priv *priv = (struct iwl4965_priv *)priv_rate; + struct iwl4965_rate_scale_priv *crl = priv_sta; - memset(crl, 0, sizeof(struct iwl_rate_scale_priv)); - - crl->lq.sta_id = 0xff; crl->flush_timer = 0; + crl->supp_rates = sta->supp_rates; sta->txrate = 3; for (j = 0; j < LQ_SIZE; j++) for (i = 0; i < IWL_RATE_COUNT; i++) @@ -1810,16 +2136,18 @@ static void rs_rate_init(void *priv_rate crl->ibss_sta_added = 0; if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { - u8 sta_id = iwl_hw_find_station(priv, sta->addr); + u8 sta_id = iwl4965_hw_find_station(priv, sta->addr); + DECLARE_MAC_BUF(mac); + /* for IBSS the call are from tasklet */ - IWL_DEBUG_HT("LQ: ADD station " MAC_FMT " \n", - MAC_ARG(sta->addr)); + IWL_DEBUG_HT("LQ: ADD station %s\n", + print_mac(mac, sta->addr)); if (sta_id == IWL_INVALID_STATION) { - IWL_DEBUG_RATE("LQ: ADD station " MAC_FMT "\n", - MAC_ARG(sta->addr)); - sta_id = iwl_add_station(priv, - sta->addr, 0, CMD_ASYNC); + IWL_DEBUG_RATE("LQ: ADD station %s\n", + print_mac(mac, sta->addr)); + sta_id = iwl4965_add_station_flags(priv, sta->addr, + 0, CMD_ASYNC, NULL); } if ((sta_id != IWL_INVALID_STATION)) { crl->lq.sta_id = sta_id; @@ -1829,85 +2157,105 @@ static void rs_rate_init(void *priv_rate priv->assoc_station_added = 1; } + /* Find highest tx rate supported by hardware and destination station */ for (i = 0; i < mode->num_rates; i++) { if ((sta->supp_rates & BIT(i)) && (mode->rates[i].flags & IEEE80211_RATE_SUPPORTED)) sta->txrate = i; } sta->last_txrate = sta->txrate; - /* For MODE_IEEE80211A mode cck rate are at end - * rate table - */ + /* For MODE_IEEE80211A, cck rates are at end of rate table */ if (local->hw.conf.phymode == MODE_IEEE80211A) sta->last_txrate += IWL_FIRST_OFDM_RATE; - crl->is_dup = priv->is_dup; + crl->is_dup = 0; crl->valid_antenna = priv->valid_antenna; crl->antenna = priv->antenna; - crl->is_green = rs_use_green(priv); + crl->is_green = rs_use_green(priv, conf); crl->active_rate = priv->active_rate; crl->active_rate &= ~(0x1000); crl->active_rate_basic = priv->active_rate_basic; crl->phymode = priv->phymode; -#ifdef CONFIG_IWLWIFI_HT - crl->active_siso_rate = (priv->current_assoc_ht.supp_rates[0] << 1); - crl->active_siso_rate |= (priv->current_assoc_ht.supp_rates[0] & 0x1); +#ifdef CONFIG_IWL4965_HT + /* + * active_siso_rate mask includes 9 MBits (bit 5), and CCK (bits 0-3), + * supp_rates[] does not; shift to convert format, force 9 MBits off. + */ + crl->active_siso_rate = (priv->current_ht_config.supp_mcs_set[0] << 1); + crl->active_siso_rate |= + (priv->current_ht_config.supp_mcs_set[0] & 0x1); crl->active_siso_rate &= ~((u16)0x2); crl->active_siso_rate = crl->active_siso_rate << IWL_FIRST_OFDM_RATE; - crl->active_mimo_rate = (priv->current_assoc_ht.supp_rates[1] << 1); - crl->active_mimo_rate |= (priv->current_assoc_ht.supp_rates[1] & 0x1); + /* Same here */ + crl->active_mimo_rate = (priv->current_ht_config.supp_mcs_set[1] << 1); + crl->active_mimo_rate |= + (priv->current_ht_config.supp_mcs_set[1] & 0x1); crl->active_mimo_rate &= ~((u16)0x2); crl->active_mimo_rate = crl->active_mimo_rate << IWL_FIRST_OFDM_RATE; IWL_DEBUG_HT("MIMO RATE 0x%X SISO MASK 0x%X\n", crl->active_siso_rate, crl->active_mimo_rate); -#endif /*CONFIG_IWLWIFI_HT*/ +#endif /*CONFIG_IWL4965_HT*/ +#ifdef CONFIG_MAC80211_DEBUGFS + crl->drv = priv; +#endif if (priv->assoc_station_added) priv->lq_mngr.lq_ready = 1; - rs_initialize_lq(priv, sta); + rs_initialize_lq(priv, conf, sta); } -static int rs_fill_link_cmd(struct iwl_rate_scale_priv *lq_data, - struct iwl_rate *tx_mcs, - struct iwl_link_quality_cmd *lq_cmd, - struct sta_info *sta) +static void rs_fill_link_cmd(struct iwl4965_rate_scale_priv *lq_data, + struct iwl4965_rate *tx_mcs, + struct iwl4965_link_quality_cmd *lq_cmd) { int index = 0; - int rc = 0; int rate_idx; + int repeat_rate = 0; u8 ant_toggle_count = 0; u8 use_ht_possible = 1; - u8 repeat_cur_rate = 0; - struct iwl_rate new_rate; - struct iwl_scale_tbl_info tbl_type = { 0 }; + struct iwl4965_rate new_rate; + struct iwl4965_scale_tbl_info tbl_type = { 0 }; + /* Override starting rate (index 0) if needed for debug purposes */ + rs_dbgfs_set_mcs(lq_data, tx_mcs, index); + + /* Interpret rate_n_flags */ rs_get_tbl_info_from_mcs(tx_mcs, lq_data->phymode, &tbl_type, &rate_idx); + /* How many times should we repeat the initial rate? */ if (is_legacy(tbl_type.lq_type)) { ant_toggle_count = 1; - repeat_cur_rate = IWL_NUMBER_TRY; + repeat_rate = IWL_NUMBER_TRY; } else - repeat_cur_rate = IWL_HT_NUMBER_TRY; + repeat_rate = IWL_HT_NUMBER_TRY; lq_cmd->general_params.mimo_delimiter = is_mimo(tbl_type.lq_type) ? 1 : 0; + + /* Fill 1st table entry (index 0) */ lq_cmd->rs_table[index].rate_n_flags = cpu_to_le32(tx_mcs->rate_n_flags); new_rate.rate_n_flags = tx_mcs->rate_n_flags; if (is_mimo(tbl_type.lq_type) || (tbl_type.antenna_type == ANT_MAIN)) - lq_cmd->general_params.single_stream_ant_msk = 1; + lq_cmd->general_params.single_stream_ant_msk + = LINK_QUAL_ANT_A_MSK; else - lq_cmd->general_params.single_stream_ant_msk = 2; + lq_cmd->general_params.single_stream_ant_msk + = LINK_QUAL_ANT_B_MSK; index++; - repeat_cur_rate--; + repeat_rate--; + /* Fill rest of rate table */ while (index < LINK_QUAL_MAX_RETRY_NUM) { - while (repeat_cur_rate && (index < LINK_QUAL_MAX_RETRY_NUM)) { + /* Repeat initial/next rate. + * For legacy IWL_NUMBER_TRY == 1, this loop will not execute. + * For HT IWL_HT_NUMBER_TRY == 3, this executes twice. */ + while (repeat_rate > 0 && (index < LINK_QUAL_MAX_RETRY_NUM)) { if (is_legacy(tbl_type.lq_type)) { if (ant_toggle_count < NUM_TRY_BEFORE_ANTENNA_TOGGLE) @@ -1917,21 +2265,31 @@ static int rs_fill_link_cmd(struct iwl_r ant_toggle_count = 1; } } + + /* Override next rate if needed for debug purposes */ + rs_dbgfs_set_mcs(lq_data, &new_rate, index); + + /* Fill next table entry */ lq_cmd->rs_table[index].rate_n_flags = cpu_to_le32(new_rate.rate_n_flags); - repeat_cur_rate--; + repeat_rate--; index++; } rs_get_tbl_info_from_mcs(&new_rate, lq_data->phymode, &tbl_type, &rate_idx); + /* Indicate to uCode which entries might be MIMO. + * If initial rate was MIMO, this will finally end up + * as (IWL_HT_NUMBER_TRY * 2), after 2nd pass, otherwise 0. */ if (is_mimo(tbl_type.lq_type)) lq_cmd->general_params.mimo_delimiter = index; + /* Get next rate */ rs_get_lower_rate(lq_data, &tbl_type, rate_idx, - use_ht_possible, &new_rate, sta); + use_ht_possible, &new_rate); + /* How many times should we repeat the next rate? */ if (is_legacy(tbl_type.lq_type)) { if (ant_toggle_count < NUM_TRY_BEFORE_ANTENNA_TOGGLE) ant_toggle_count++; @@ -1939,26 +2297,28 @@ static int rs_fill_link_cmd(struct iwl_r rs_toggle_antenna(&new_rate, &tbl_type); ant_toggle_count = 1; } - repeat_cur_rate = IWL_NUMBER_TRY; + repeat_rate = IWL_NUMBER_TRY; } else - repeat_cur_rate = IWL_HT_NUMBER_TRY; + repeat_rate = IWL_HT_NUMBER_TRY; + /* Don't allow HT rates after next pass. + * rs_get_lower_rate() will change type to LQ_A or LQ_G. */ use_ht_possible = 0; + /* Override next rate if needed for debug purposes */ + rs_dbgfs_set_mcs(lq_data, &new_rate, index); + + /* Fill next table entry */ lq_cmd->rs_table[index].rate_n_flags = cpu_to_le32(new_rate.rate_n_flags); - /* lq_cmd->rs_table[index].rate_n_flags = 0x800d; */ index++; - repeat_cur_rate--; + repeat_rate--; } - /* lq_cmd->rs_table[0].rate_n_flags = 0x800d; */ - lq_cmd->general_params.dual_stream_ant_msk = 3; lq_cmd->agg_params.agg_dis_start_th = 3; lq_cmd->agg_params.agg_time_limit = cpu_to_le16(4000); - return rc; } static void *rs_alloc(struct ieee80211_local *local) @@ -1973,24 +2333,24 @@ static void rs_free(void *priv_rate) static void rs_clear(void *priv_rate) { - struct iwl_priv *priv = (struct iwl_priv *) priv_rate; + struct iwl4965_priv *priv = (struct iwl4965_priv *) priv_rate; IWL_DEBUG_RATE("enter\n"); priv->lq_mngr.lq_ready = 0; -#ifdef CONFIG_IWLWIFI_HT -#ifdef CONFIG_IWLWIFI_HT_AGG +#ifdef CONFIG_IWL4965_HT +#ifdef CONFIG_IWL4965_HT_AGG if (priv->lq_mngr.agg_ctrl.granted_ba) iwl4965_turn_off_agg(priv, TID_ALL_SPECIFIED); -#endif /*CONFIG_IWLWIFI_HT_AGG */ -#endif /* CONFIG_IWLWIFI_HT */ +#endif /*CONFIG_IWL4965_HT_AGG */ +#endif /* CONFIG_IWL4965_HT */ IWL_DEBUG_RATE("leave\n"); } static void rs_free_sta(void *priv, void *priv_sta) { - struct iwl_rate_scale_priv *rs_priv = priv_sta; + struct iwl4965_rate_scale_priv *rs_priv = priv_sta; IWL_DEBUG_RATE("enter\n"); kfree(rs_priv); @@ -1998,6 +2358,168 @@ static void rs_free_sta(void *priv, void } +#ifdef CONFIG_MAC80211_DEBUGFS +static int open_file_generic(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} +static void rs_dbgfs_set_mcs(struct iwl4965_rate_scale_priv *rs_priv, + struct iwl4965_rate *mcs, int index) +{ + u32 base_rate; + + if (rs_priv->phymode == (u8) MODE_IEEE80211A) + base_rate = 0x800D; + else + base_rate = 0x820A; + + if (rs_priv->dbg_fixed.rate_n_flags) { + if (index < 12) + mcs->rate_n_flags = rs_priv->dbg_fixed.rate_n_flags; + else + mcs->rate_n_flags = base_rate; + IWL_DEBUG_RATE("Fixed rate ON\n"); + return; + } + + IWL_DEBUG_RATE("Fixed rate OFF\n"); +} + +static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file, + const char __user *user_buf, size_t count, loff_t *ppos) +{ + struct iwl4965_rate_scale_priv *rs_priv = file->private_data; + char buf[64]; + int buf_size; + u32 parsed_rate; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + if (sscanf(buf, "%x", &parsed_rate) == 1) + rs_priv->dbg_fixed.rate_n_flags = parsed_rate; + else + rs_priv->dbg_fixed.rate_n_flags = 0; + + rs_priv->active_rate = 0x0FFF; /* 1 - 54 MBits, includes CCK */ + rs_priv->active_siso_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ + rs_priv->active_mimo_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ + + IWL_DEBUG_RATE("sta_id %d rate 0x%X\n", + rs_priv->lq.sta_id, rs_priv->dbg_fixed.rate_n_flags); + + if (rs_priv->dbg_fixed.rate_n_flags) { + rs_fill_link_cmd(rs_priv, &rs_priv->dbg_fixed, &rs_priv->lq); + rs_send_lq_cmd(rs_priv->drv, &rs_priv->lq, CMD_ASYNC); + } + + return count; +} + +static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, + char __user *user_buf, size_t count, loff_t *ppos) +{ + char buff[1024]; + int desc = 0; + int i = 0; + + struct iwl4965_rate_scale_priv *rs_priv = file->private_data; + + desc += sprintf(buff+desc, "sta_id %d\n", rs_priv->lq.sta_id); + desc += sprintf(buff+desc, "failed=%d success=%d rate=0%X\n", + rs_priv->total_failed, rs_priv->total_success, + rs_priv->active_rate); + desc += sprintf(buff+desc, "fixed rate 0x%X\n", + rs_priv->dbg_fixed.rate_n_flags); + desc += sprintf(buff+desc, "general:" + "flags=0x%X mimo-d=%d s-ant0x%x d-ant=0x%x\n", + rs_priv->lq.general_params.flags, + rs_priv->lq.general_params.mimo_delimiter, + rs_priv->lq.general_params.single_stream_ant_msk, + rs_priv->lq.general_params.dual_stream_ant_msk); + + desc += sprintf(buff+desc, "agg:" + "time_limit=%d dist_start_th=%d frame_cnt_limit=%d\n", + le16_to_cpu(rs_priv->lq.agg_params.agg_time_limit), + rs_priv->lq.agg_params.agg_dis_start_th, + rs_priv->lq.agg_params.agg_frame_cnt_limit); + + desc += sprintf(buff+desc, + "Start idx [0]=0x%x [1]=0x%x [2]=0x%x [3]=0x%x\n", + rs_priv->lq.general_params.start_rate_index[0], + rs_priv->lq.general_params.start_rate_index[1], + rs_priv->lq.general_params.start_rate_index[2], + rs_priv->lq.general_params.start_rate_index[3]); + + + for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) + desc += sprintf(buff+desc, " rate[%d] 0x%X\n", + i, le32_to_cpu(rs_priv->lq.rs_table[i].rate_n_flags)); + + return simple_read_from_buffer(user_buf, count, ppos, buff, desc); +} + +static const struct file_operations rs_sta_dbgfs_scale_table_ops = { + .write = rs_sta_dbgfs_scale_table_write, + .read = rs_sta_dbgfs_scale_table_read, + .open = open_file_generic, +}; +static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file, + char __user *user_buf, size_t count, loff_t *ppos) +{ + char buff[1024]; + int desc = 0; + int i, j; + + struct iwl4965_rate_scale_priv *rs_priv = file->private_data; + for (i = 0; i < LQ_SIZE; i++) { + desc += sprintf(buff+desc, "%s type=%d SGI=%d FAT=%d DUP=%d\n" + "rate=0x%X\n", + rs_priv->active_tbl == i?"*":"x", + rs_priv->lq_info[i].lq_type, + rs_priv->lq_info[i].is_SGI, + rs_priv->lq_info[i].is_fat, + rs_priv->lq_info[i].is_dup, + rs_priv->lq_info[i].current_rate.rate_n_flags); + for (j = 0; j < IWL_RATE_COUNT; j++) { + desc += sprintf(buff+desc, + "counter=%d success=%d %%=%d\n", + rs_priv->lq_info[i].win[j].counter, + rs_priv->lq_info[i].win[j].success_counter, + rs_priv->lq_info[i].win[j].success_ratio); + } + } + return simple_read_from_buffer(user_buf, count, ppos, buff, desc); +} + +static const struct file_operations rs_sta_dbgfs_stats_table_ops = { + .read = rs_sta_dbgfs_stats_table_read, + .open = open_file_generic, +}; + +static void rs_add_debugfs(void *priv, void *priv_sta, + struct dentry *dir) +{ + struct iwl4965_rate_scale_priv *rs_priv = priv_sta; + rs_priv->rs_sta_dbgfs_scale_table_file = + debugfs_create_file("rate_scale_table", 0600, dir, + rs_priv, &rs_sta_dbgfs_scale_table_ops); + rs_priv->rs_sta_dbgfs_stats_table_file = + debugfs_create_file("rate_stats_table", 0600, dir, + rs_priv, &rs_sta_dbgfs_stats_table_ops); +} + +static void rs_remove_debugfs(void *priv, void *priv_sta) +{ + struct iwl4965_rate_scale_priv *rs_priv = priv_sta; + debugfs_remove(rs_priv->rs_sta_dbgfs_scale_table_file); + debugfs_remove(rs_priv->rs_sta_dbgfs_stats_table_file); +} +#endif + static struct rate_control_ops rs_ops = { .module = NULL, .name = RS_NAME, @@ -2009,13 +2531,17 @@ static struct rate_control_ops rs_ops = .free = rs_free, .alloc_sta = rs_alloc_sta, .free_sta = rs_free_sta, +#ifdef CONFIG_MAC80211_DEBUGFS + .add_sta_debugfs = rs_add_debugfs, + .remove_sta_debugfs = rs_remove_debugfs, +#endif }; -int iwl_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) +int iwl4965_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) { struct ieee80211_local *local = hw_to_local(hw); - struct iwl_priv *priv = hw->priv; - struct iwl_rate_scale_priv *rs_priv; + struct iwl4965_priv *priv = hw->priv; + struct iwl4965_rate_scale_priv *rs_priv; struct sta_info *sta; int count = 0, i; u32 samples = 0, success = 0, good = 0; @@ -2048,7 +2574,7 @@ int iwl_fill_rs_info(struct ieee80211_hw int active = rs_priv->active_tbl; count += - sprintf(&buf[count], " %2dMbs: ", iwl_rates[i].ieee / 2); + sprintf(&buf[count], " %2dMbs: ", iwl4965_rates[i].ieee / 2); mask = (1ULL << (IWL_RATE_MAX_WINDOW - 1)); for (j = 0; j < IWL_RATE_MAX_WINDOW; j++, mask >>= 1) @@ -2059,7 +2585,7 @@ int iwl_fill_rs_info(struct ieee80211_hw samples += rs_priv->lq_info[active].win[i].counter; good += rs_priv->lq_info[active].win[i].success_counter; success += rs_priv->lq_info[active].win[i].success_counter * - iwl_rates[i].ieee; + iwl4965_rates[i].ieee; if (rs_priv->lq_info[active].win[i].stamp) { int delta = @@ -2073,7 +2599,7 @@ int iwl_fill_rs_info(struct ieee80211_hw } else buf[count++] = '\n'; - j = iwl_get_prev_ieee_rate(i); + j = iwl4965_get_prev_ieee_rate(i); if (j == i) break; i = j; @@ -2081,8 +2607,8 @@ int iwl_fill_rs_info(struct ieee80211_hw /* Display the average rate of all samples taken. * - * NOTE: We multiple # of samples by 2 since the IEEE measurement - * added from iwl_rates is actually 2X the rate */ + * NOTE: We multiply # of samples by 2 since the IEEE measurement + * added from iwl4965_rates is actually 2X the rate */ if (samples) count += sprintf(&buf[count], "\nAverage rate is %3d.%02dMbs over last %4dms\n" @@ -2091,7 +2617,7 @@ int iwl_fill_rs_info(struct ieee80211_hw max_time, good * 100 / samples, good, samples); else count += sprintf(&buf[count], "\nAverage rate: 0Mbs\n"); - count += sprintf(&buf[count], "\nrate scale type %d anntena %d " + count += sprintf(&buf[count], "\nrate scale type %d antenna %d " "active_search %d rate index %d\n", lq_type, antenna, rs_priv->search_better_tbl, sta->last_txrate); @@ -2099,19 +2625,19 @@ int iwl_fill_rs_info(struct ieee80211_hw return count; } -void iwl_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) +void iwl4965_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) { - struct iwl_priv *priv = hw->priv; + struct iwl4965_priv *priv = hw->priv; priv->lq_mngr.lq_ready = 1; } -void iwl_rate_control_register(struct ieee80211_hw *hw) +void iwl4965_rate_control_register(struct ieee80211_hw *hw) { ieee80211_rate_control_register(&rs_ops); } -void iwl_rate_control_unregister(struct ieee80211_hw *hw) +void iwl4965_rate_control_unregister(struct ieee80211_hw *hw) { ieee80211_rate_control_unregister(&rs_ops); } --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-compat.h.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-compat.h 2007-12-14 11:02:04.000000000 -0500 @@ -1,17 +0,0 @@ -#ifndef __IWL_COMPAT_H__ -#define __IWL_COMPAT_H__ - -typedef _Bool bool; - -/* - * Determine whether some value is a power of two, where zero is - * *not* considered a power of two. - */ - -static inline __attribute__((const)) -bool is_power_of_2(unsigned long n) -{ - return (n != 0 && ((n & (n - 1)) == 0)); -} - -#endif /* __IWL_COMPAT_H__ */ --- /dev/null 2007-10-19 15:07:45.088359312 -0400 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl-4965-io.h 2007-12-14 11:02:04.000000000 -0500 @@ -0,0 +1,431 @@ +/****************************************************************************** + * + * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved. + * + * Portions of this file are derived from the ipw3945 project. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * James P. Ketrenos + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#ifndef __iwl4965_io_h__ +#define __iwl4965_io_h__ + +#include + +#include "iwl-4965-debug.h" + +/* + * IO, register, and NIC memory access functions + * + * NOTE on naming convention and macro usage for these + * + * A single _ prefix before a an access function means that no state + * check or debug information is printed when that function is called. + * + * A double __ prefix before an access function means that state is checked + * and the current line number is printed in addition to any other debug output. + * + * The non-prefixed name is the #define that maps the caller into a + * #define that provides the caller's __LINE__ to the double prefix version. + * + * If you wish to call the function without any debug or state checking, + * you should use the single _ prefix version (as is used by dependent IO + * routines, for example _iwl4965_read_direct32 calls the non-check version of + * _iwl4965_read32.) + * + * These declarations are *extremely* useful in quickly isolating code deltas + * which result in misconfiguring of the hardware I/O. In combination with + * git-bisect and the IO debug level you can quickly determine the specific + * commit which breaks the IO sequence to the hardware. + * + */ + +#define _iwl4965_write32(iwl, ofs, val) writel((val), (iwl)->hw_base + (ofs)) +#ifdef CONFIG_IWL4965_DEBUG +static inline void __iwl4965_write32(const char *f, u32 l, struct iwl4965_priv *iwl, + u32 ofs, u32 val) +{ + IWL_DEBUG_IO("write32(0x%08X, 0x%08X) - %s %d\n", ofs, val, f, l); + _iwl4965_write32(iwl, ofs, val); +} +#define iwl4965_write32(iwl, ofs, val) \ + __iwl4965_write32(__FILE__, __LINE__, iwl, ofs, val) +#else +#define iwl4965_write32(iwl, ofs, val) _iwl4965_write32(iwl, ofs, val) +#endif + +#define _iwl4965_read32(iwl, ofs) readl((iwl)->hw_base + (ofs)) +#ifdef CONFIG_IWL4965_DEBUG +static inline u32 __iwl4965_read32(char *f, u32 l, struct iwl4965_priv *iwl, u32 ofs) +{ + IWL_DEBUG_IO("read_direct32(0x%08X) - %s %d\n", ofs, f, l); + return _iwl4965_read32(iwl, ofs); +} +#define iwl4965_read32(iwl, ofs) __iwl4965_read32(__FILE__, __LINE__, iwl, ofs) +#else +#define iwl4965_read32(p, o) _iwl4965_read32(p, o) +#endif + +static inline int _iwl4965_poll_bit(struct iwl4965_priv *priv, u32 addr, + u32 bits, u32 mask, int timeout) +{ + int i = 0; + + do { + if ((_iwl4965_read32(priv, addr) & mask) == (bits & mask)) + return i; + mdelay(10); + i += 10; + } while (i < timeout); + + return -ETIMEDOUT; +} +#ifdef CONFIG_IWL4965_DEBUG +static inline int __iwl4965_poll_bit(const char *f, u32 l, + struct iwl4965_priv *priv, u32 addr, + u32 bits, u32 mask, int timeout) +{ + int ret = _iwl4965_poll_bit(priv, addr, bits, mask, timeout); + if (unlikely(ret == -ETIMEDOUT)) + IWL_DEBUG_IO + ("poll_bit(0x%08X, 0x%08X, 0x%08X) - timedout - %s %d\n", + addr, bits, mask, f, l); + else + IWL_DEBUG_IO + ("poll_bit(0x%08X, 0x%08X, 0x%08X) = 0x%08X - %s %d\n", + addr, bits, mask, ret, f, l); + return ret; +} +#define iwl4965_poll_bit(iwl, addr, bits, mask, timeout) \ + __iwl4965_poll_bit(__FILE__, __LINE__, iwl, addr, bits, mask, timeout) +#else +#define iwl4965_poll_bit(p, a, b, m, t) _iwl4965_poll_bit(p, a, b, m, t) +#endif + +static inline void _iwl4965_set_bit(struct iwl4965_priv *priv, u32 reg, u32 mask) +{ + _iwl4965_write32(priv, reg, _iwl4965_read32(priv, reg) | mask); +} +#ifdef CONFIG_IWL4965_DEBUG +static inline void __iwl4965_set_bit(const char *f, u32 l, + struct iwl4965_priv *priv, u32 reg, u32 mask) +{ + u32 val = _iwl4965_read32(priv, reg) | mask; + IWL_DEBUG_IO("set_bit(0x%08X, 0x%08X) = 0x%08X\n", reg, mask, val); + _iwl4965_write32(priv, reg, val); +} +#define iwl4965_set_bit(p, r, m) __iwl4965_set_bit(__FILE__, __LINE__, p, r, m) +#else +#define iwl4965_set_bit(p, r, m) _iwl4965_set_bit(p, r, m) +#endif + +static inline void _iwl4965_clear_bit(struct iwl4965_priv *priv, u32 reg, u32 mask) +{ + _iwl4965_write32(priv, reg, _iwl4965_read32(priv, reg) & ~mask); +} +#ifdef CONFIG_IWL4965_DEBUG +static inline void __iwl4965_clear_bit(const char *f, u32 l, + struct iwl4965_priv *priv, u32 reg, u32 mask) +{ + u32 val = _iwl4965_read32(priv, reg) & ~mask; + IWL_DEBUG_IO("clear_bit(0x%08X, 0x%08X) = 0x%08X\n", reg, mask, val); + _iwl4965_write32(priv, reg, val); +} +#define iwl4965_clear_bit(p, r, m) __iwl4965_clear_bit(__FILE__, __LINE__, p, r, m) +#else +#define iwl4965_clear_bit(p, r, m) _iwl4965_clear_bit(p, r, m) +#endif + +static inline int _iwl4965_grab_nic_access(struct iwl4965_priv *priv) +{ + int ret; + u32 gp_ctl; + +#ifdef CONFIG_IWL4965_DEBUG + if (atomic_read(&priv->restrict_refcnt)) + return 0; +#endif + if (test_bit(STATUS_RF_KILL_HW, &priv->status) || + test_bit(STATUS_RF_KILL_SW, &priv->status)) { + IWL_WARNING("WARNING: Requesting MAC access during RFKILL " + "wakes up NIC\n"); + + /* 10 msec allows time for NIC to complete its data save */ + gp_ctl = _iwl4965_read32(priv, CSR_GP_CNTRL); + if (gp_ctl & CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY) { + IWL_DEBUG_RF_KILL("Wait for complete power-down, " + "gpctl = 0x%08x\n", gp_ctl); + mdelay(10); + } else + IWL_DEBUG_RF_KILL("power-down complete, " + "gpctl = 0x%08x\n", gp_ctl); + } + + /* this bit wakes up the NIC */ + _iwl4965_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + ret = _iwl4965_poll_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN, + (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | + CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 50); + if (ret < 0) { + IWL_ERROR("MAC is in deep sleep!\n"); + return -EIO; + } + +#ifdef CONFIG_IWL4965_DEBUG + atomic_inc(&priv->restrict_refcnt); +#endif + return 0; +} + +#ifdef CONFIG_IWL4965_DEBUG +static inline int __iwl4965_grab_nic_access(const char *f, u32 l, + struct iwl4965_priv *priv) +{ + if (atomic_read(&priv->restrict_refcnt)) + IWL_DEBUG_INFO("Grabbing access while already held at " + "line %d.\n", l); + + IWL_DEBUG_IO("grabbing nic access - %s %d\n", f, l); + return _iwl4965_grab_nic_access(priv); +} +#define iwl4965_grab_nic_access(priv) \ + __iwl4965_grab_nic_access(__FILE__, __LINE__, priv) +#else +#define iwl4965_grab_nic_access(priv) \ + _iwl4965_grab_nic_access(priv) +#endif + +static inline void _iwl4965_release_nic_access(struct iwl4965_priv *priv) +{ +#ifdef CONFIG_IWL4965_DEBUG + if (atomic_dec_and_test(&priv->restrict_refcnt)) +#endif + _iwl4965_clear_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); +} +#ifdef CONFIG_IWL4965_DEBUG +static inline void __iwl4965_release_nic_access(const char *f, u32 l, + struct iwl4965_priv *priv) +{ + if (atomic_read(&priv->restrict_refcnt) <= 0) + IWL_ERROR("Release unheld nic access at line %d.\n", l); + + IWL_DEBUG_IO("releasing nic access - %s %d\n", f, l); + _iwl4965_release_nic_access(priv); +} +#define iwl4965_release_nic_access(priv) \ + __iwl4965_release_nic_access(__FILE__, __LINE__, priv) +#else +#define iwl4965_release_nic_access(priv) \ + _iwl4965_release_nic_access(priv) +#endif + +static inline u32 _iwl4965_read_direct32(struct iwl4965_priv *priv, u32 reg) +{ + return _iwl4965_read32(priv, reg); +} +#ifdef CONFIG_IWL4965_DEBUG +static inline u32 __iwl4965_read_direct32(const char *f, u32 l, + struct iwl4965_priv *priv, u32 reg) +{ + u32 value = _iwl4965_read_direct32(priv, reg); + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from %s %d\n", f, l); + IWL_DEBUG_IO("read_direct32(0x%4X) = 0x%08x - %s %d \n", reg, value, + f, l); + return value; +} +#define iwl4965_read_direct32(priv, reg) \ + __iwl4965_read_direct32(__FILE__, __LINE__, priv, reg) +#else +#define iwl4965_read_direct32 _iwl4965_read_direct32 +#endif + +static inline void _iwl4965_write_direct32(struct iwl4965_priv *priv, + u32 reg, u32 value) +{ + _iwl4965_write32(priv, reg, value); +} +#ifdef CONFIG_IWL4965_DEBUG +static void __iwl4965_write_direct32(u32 line, + struct iwl4965_priv *priv, u32 reg, u32 value) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from line %d\n", line); + _iwl4965_write_direct32(priv, reg, value); +} +#define iwl4965_write_direct32(priv, reg, value) \ + __iwl4965_write_direct32(__LINE__, priv, reg, value) +#else +#define iwl4965_write_direct32 _iwl4965_write_direct32 +#endif + +static inline void iwl4965_write_reg_buf(struct iwl4965_priv *priv, + u32 reg, u32 len, u32 *values) +{ + u32 count = sizeof(u32); + + if ((priv != NULL) && (values != NULL)) { + for (; 0 < len; len -= count, reg += count, values++) + _iwl4965_write_direct32(priv, reg, *values); + } +} + +static inline int _iwl4965_poll_direct_bit(struct iwl4965_priv *priv, + u32 addr, u32 mask, int timeout) +{ + int i = 0; + + do { + if ((_iwl4965_read_direct32(priv, addr) & mask) == mask) + return i; + mdelay(10); + i += 10; + } while (i < timeout); + + return -ETIMEDOUT; +} + +#ifdef CONFIG_IWL4965_DEBUG +static inline int __iwl4965_poll_direct_bit(const char *f, u32 l, + struct iwl4965_priv *priv, + u32 addr, u32 mask, int timeout) +{ + int ret = _iwl4965_poll_direct_bit(priv, addr, mask, timeout); + + if (unlikely(ret == -ETIMEDOUT)) + IWL_DEBUG_IO("poll_direct_bit(0x%08X, 0x%08X) - " + "timedout - %s %d\n", addr, mask, f, l); + else + IWL_DEBUG_IO("poll_direct_bit(0x%08X, 0x%08X) = 0x%08X " + "- %s %d\n", addr, mask, ret, f, l); + return ret; +} +#define iwl4965_poll_direct_bit(iwl, addr, mask, timeout) \ + __iwl4965_poll_direct_bit(__FILE__, __LINE__, iwl, addr, mask, timeout) +#else +#define iwl4965_poll_direct_bit _iwl4965_poll_direct_bit +#endif + +static inline u32 _iwl4965_read_prph(struct iwl4965_priv *priv, u32 reg) +{ + _iwl4965_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); + return _iwl4965_read_direct32(priv, HBUS_TARG_PRPH_RDAT); +} +#ifdef CONFIG_IWL4965_DEBUG +static inline u32 __iwl4965_read_prph(u32 line, struct iwl4965_priv *priv, u32 reg) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from line %d\n", line); + return _iwl4965_read_prph(priv, reg); +} + +#define iwl4965_read_prph(priv, reg) \ + __iwl4965_read_prph(__LINE__, priv, reg) +#else +#define iwl4965_read_prph _iwl4965_read_prph +#endif + +static inline void _iwl4965_write_prph(struct iwl4965_priv *priv, + u32 addr, u32 val) +{ + _iwl4965_write_direct32(priv, HBUS_TARG_PRPH_WADDR, + ((addr & 0x0000FFFF) | (3 << 24))); + _iwl4965_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val); +} +#ifdef CONFIG_IWL4965_DEBUG +static inline void __iwl4965_write_prph(u32 line, struct iwl4965_priv *priv, + u32 addr, u32 val) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access from line %d\n", line); + _iwl4965_write_prph(priv, addr, val); +} + +#define iwl4965_write_prph(priv, addr, val) \ + __iwl4965_write_prph(__LINE__, priv, addr, val); +#else +#define iwl4965_write_prph _iwl4965_write_prph +#endif + +#define _iwl4965_set_bits_prph(priv, reg, mask) \ + _iwl4965_write_prph(priv, reg, (_iwl4965_read_prph(priv, reg) | mask)) +#ifdef CONFIG_IWL4965_DEBUG +static inline void __iwl4965_set_bits_prph(u32 line, struct iwl4965_priv *priv, + u32 reg, u32 mask) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from line %d\n", line); + + _iwl4965_set_bits_prph(priv, reg, mask); +} +#define iwl4965_set_bits_prph(priv, reg, mask) \ + __iwl4965_set_bits_prph(__LINE__, priv, reg, mask) +#else +#define iwl4965_set_bits_prph _iwl4965_set_bits_prph +#endif + +#define _iwl4965_set_bits_mask_prph(priv, reg, bits, mask) \ + _iwl4965_write_prph(priv, reg, ((_iwl4965_read_prph(priv, reg) & mask) | bits)) + +#ifdef CONFIG_IWL4965_DEBUG +static inline void __iwl4965_set_bits_mask_prph(u32 line, + struct iwl4965_priv *priv, u32 reg, u32 bits, u32 mask) +{ + if (!atomic_read(&priv->restrict_refcnt)) + IWL_ERROR("Nic access not held from line %d\n", line); + _iwl4965_set_bits_mask_prph(priv, reg, bits, mask); +} +#define iwl4965_set_bits_mask_prph(priv, reg, bits, mask) \ + __iwl4965_set_bits_mask_prph(__LINE__, priv, reg, bits, mask) +#else +#define iwl4965_set_bits_mask_prph _iwl4965_set_bits_mask_prph +#endif + +static inline void iwl4965_clear_bits_prph(struct iwl4965_priv + *priv, u32 reg, u32 mask) +{ + u32 val = _iwl4965_read_prph(priv, reg); + _iwl4965_write_prph(priv, reg, (val & ~mask)); +} + +static inline u32 iwl4965_read_targ_mem(struct iwl4965_priv *priv, u32 addr) +{ + iwl4965_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr); + return iwl4965_read_direct32(priv, HBUS_TARG_MEM_RDAT); +} + +static inline void iwl4965_write_targ_mem(struct iwl4965_priv *priv, u32 addr, u32 val) +{ + iwl4965_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr); + iwl4965_write_direct32(priv, HBUS_TARG_MEM_WDAT, val); +} + +static inline void iwl4965_write_targ_mem_buf(struct iwl4965_priv *priv, u32 addr, + u32 len, u32 *values) +{ + iwl4965_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr); + for (; 0 < len; len -= sizeof(u32), values++) + iwl4965_write_direct32(priv, HBUS_TARG_MEM_WDAT, *values); +} +#endif --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/Kconfig.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/Kconfig 2007-12-14 11:02:04.000000000 -0500 @@ -1,24 +1,66 @@ -config IWLWIFI - bool "Intel Wireless WiFi Link Drivers" +config IWL4965 + tristate "Intel Wireless WiFi 4965AGN" depends on PCI && MAC80211 && NET_RADIO && EXPERIMENTAL select FW_LOADER - default n ---help--- - Select to enable drivers based on the iwlwifi project. This - project provides a common foundation for Intel's wireless - drivers designed to use the mac80211 subsystem. + Select to build the driver supporting the: + + Intel Wireless WiFi Link 4965AGN + + This driver uses the kernel's mac80211 subsystem. See for information on the capabilities currently enabled in this - driver and for tips for debugging issues and problems. + driver and for tips for debugging any issues or problems. + + In order to use this driver, you will need a microcode (uCode) + image for it. You can obtain the microcode from: + + . + + See the above referenced README.iwlwifi for information on where + to install the microcode images. -config IWLWIFI_DEBUG - bool "Enable full debugging output in iwlwifi drivers" - depends on IWLWIFI - default y + If you want to compile the driver as a module ( = code which can be + inserted in and remvoed from the running kernel whenever you want), + say M here and read . The + module will be called iwl4965.ko. + +config IWL4965_QOS + bool "Enable Wireless QoS in iwl4965 driver" + depends on IWL4965 ---help--- - This option will enable debug tracing output for the iwlwifi - drivers. + This option will enable wireless quality of service (QoS) for the + iw4965 driver. + +config IWL4965_HT + bool "Enable 802.11n HT features in iwl4965 driver" + depends on EXPERIMENTAL + depends on IWL4965 && IWL4965_QOS + depends on n + ---help--- + This option enables IEEE 802.11n High Throughput features + for the iwl4965 driver. + +config IWL4965_SPECTRUM_MEASUREMENT + bool "Enable Spectrum Measurement in iw4965 driver" + depends on IWL4965 + ---help--- + This option will enable spectrum measurement for the iwl4965 driver. + +config IWL4965_SENSITIVITY + bool "Enable Sensitivity Calibration in iwl4965 driver" + depends on IWL4965 + ---help--- + This option will enable sensitivity calibration for the iwl4965 + driver. + +config IWL4965_DEBUG + bool "Enable full debugging output in iwl4965 driver" + depends on IWL4965 + ---help--- + This option will enable debug tracing output for the iwl4965 + driver. This will result in the kernel module being ~100k larger. You can control which debug output is sent to the kernel log by setting the @@ -33,52 +75,20 @@ config IWLWIFI_DEBUG % echo 0x43fff > /sys/bus/pci/drivers/${DRIVER}/debug_level You can find the list of debug mask values in: - drivers/net/wireless/mac80211/iwlwifi/iwl-debug.h + drivers/net/wireless/iwlwifi/iwl-4965-debug.h If this is your first time using this driver, you should say Y here as the debug information can assist others in helping you resolve any problems you may encounter. -config IWLWIFI_SENSITIVITY - bool "Enable Sensitivity Calibration in iwlwifi drivers" - depends on IWLWIFI - default y - ---help--- - This option will enable sensitivity calibration for the iwlwifi - drivers. - -config IWLWIFI_SPECTRUM_MEASUREMENT - bool "Enable Spectrum Measurement in iwlwifi drivers" - depends on IWLWIFI - default y - ---help--- - This option will enable spectrum measurement for the iwlwifi drivers. - -config IWLWIFI_QOS - bool "Enable Wireless QoS in iwlwifi drivers" - depends on IWLWIFI - default y - ---help--- - This option will enable wireless quality of service (QoS) for the - iwlwifi drivers. - -config IWLWIFI_HT - bool "Enable 802.11n HT features in iwlwifi drivers" - depends on EXPERIMENTAL - depends on IWLWIFI && MAC80211_HT - default n - ---help--- - This option enables IEEE 802.11n High Throughput features - for the iwlwifi drivers. - -config IWL4965 - tristate "Intel Wireless WiFi 4965AGN" - depends on m && IWLWIFI && EXPERIMENTAL - default m +config IWL3945 + tristate "Intel PRO/Wireless 3945ABG/BG Network Connection" + depends on PCI && MAC80211 && NET_RADIO && EXPERIMENTAL + select FW_LOADER ---help--- Select to build the driver supporting the: - Intel Wireless WiFi Link 4965AGN + Intel PRO/Wireless 3945ABG/BG Network Connection This driver uses the kernel's mac80211 subsystem. @@ -96,33 +106,45 @@ config IWL4965 If you want to compile the driver as a module ( = code which can be inserted in and remvoed from the running kernel whenever you want), - say M here and read . The module - will be called iwl4965.ko. + say M here and read . The + module will be called iwl3945.ko. -config IWL3945 - tristate "Intel PRO/Wireless 3945ABG/BG Network Connection" - depends on m && IWLWIFI && EXPERIMENTAL - default m +config IWL3945_QOS + bool "Enable Wireless QoS in iwl3945 driver" + depends on IWL3945 ---help--- - Select to build the driver supporting the: + This option will enable wireless quality of service (QoS) for the + iwl3945 driver. - Intel PRO/Wireless 3945ABG/BG Network Connection +config IWL3945_SPECTRUM_MEASUREMENT + bool "Enable Spectrum Measurement in iwl3945 drivers" + depends on IWL3945 + ---help--- + This option will enable spectrum measurement for the iwl3945 driver. - This driver uses the kernel's mac80211 subsystem. +config IWL3945_DEBUG + bool "Enable full debugging output in iwl3945 driver" + depends on IWL3945 + ---help--- + This option will enable debug tracing output for the iwl3945 + driver. - See for - information on the capabilities currently enabled in this - driver and for tips for debugging any issues or problems. + This will result in the kernel module being ~100k larger. You can + control which debug output is sent to the kernel log by setting the + value in - In order to use this driver, you will need a microcode (uCode) - image for it. You can obtain the microcode from: + /sys/bus/pci/drivers/${DRIVER}/debug_level - . + This entry will only exist if this option is enabled. - See the above referenced README.iwlwifi for information on where - to install the microcode images. + To set a value, simply echo an 8-byte hex value to the same file: + + % echo 0x43fff > /sys/bus/pci/drivers/${DRIVER}/debug_level + + You can find the list of debug mask values in: + drivers/net/wireless/iwlwifi/iwl-3945-debug.h + + If this is your first time using this driver, you should say Y here + as the debug information can assist others in helping you resolve + any problems you may encounter. - If you want to compile the driver as a module ( = code which can be - inserted in and remvoed from the running kernel whenever you want), - say M here and read . The module - will be called iwl3945.ko. --- linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl4965-base.c.orig 2007-12-14 11:01:58.000000000 -0500 +++ linux-2.6.18.noarch/drivers/net/wireless/iwlwifi/iwl4965-base.c 2007-12-14 11:21:54.000000000 -0500 @@ -27,16 +27,6 @@ * *****************************************************************************/ -/* - * NOTE: This file (iwl-base.c) is used to build to multiple hardware targets - * by defining IWL to either 3945 or 4965. The Makefile used when building - * the base targets will create base-3945.o and base-4965.o - * - * The eventual goal is to move as many of the #if IWL / #endif blocks out of - * this file and into the hardware specific implementation files (iwl-XXXX.c) - * and leave only the common (non #ifdef sprinkled) code in this file - */ - #include #include #include @@ -48,8 +38,6 @@ #include #include #include -#include -#include #include #include @@ -58,14 +46,16 @@ #include -#include "iwlwifi.h" #include "iwl-4965.h" #include "iwl-helpers.h" -#ifdef CONFIG_IWLWIFI_DEBUG -u32 iwl_debug_level; +#ifdef CONFIG_IWL4965_DEBUG +u32 iwl4965_debug_level; #endif +static int iwl4965_tx_queue_update_write_ptr(struct iwl4965_priv *priv, + struct iwl4965_tx_queue *txq); + /****************************************************************************** * * module boiler plate @@ -73,13 +63,14 @@ u32 iwl_debug_level; ******************************************************************************/ /* module parameters */ -int iwl_param_disable_hw_scan; -int iwl_param_debug; -int iwl_param_disable; /* def: enable radio */ -int iwl_param_antenna; /* def: 0 = both antennas (use diversity) */ -int iwl_param_hwcrypto; /* def: using software encryption */ -int iwl_param_qos_enable = 1; -int iwl_param_queues_num = IWL_MAX_NUM_QUEUES; +static int iwl4965_param_disable_hw_scan; /* def: 0 = use 4965's h/w scan */ +static int iwl4965_param_debug; /* def: 0 = minimal debug log messages */ +static int iwl4965_param_disable; /* def: enable radio */ +static int iwl4965_param_antenna; /* def: 0 = both antennas (use diversity) */ +int iwl4965_param_hwcrypto; /* def: using software encryption */ +static int iwl4965_param_qos_enable = 1; /* def: 1 = use quality of service */ +int iwl4965_param_queues_num = IWL_MAX_NUM_QUEUES; /* def: 16 Tx queues */ +int iwl4965_param_amsdu_size_8K; /* def: enable 8K amsdu size */ /* * module name, copyright, version, etc. @@ -88,19 +79,19 @@ int iwl_param_queues_num = IWL_MAX_NUM_Q #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link 4965AGN driver for Linux" -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL4965_DEBUG #define VD "d" #else #define VD #endif -#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT +#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT #define VS "s" #else #define VS #endif -#define IWLWIFI_VERSION "0.1.15k" VD VS +#define IWLWIFI_VERSION "1.2.22k" VD VS #define DRV_COPYRIGHT "Copyright(c) 2003-2007 Intel Corporation" #define DRV_VERSION IWLWIFI_VERSION @@ -125,8 +116,8 @@ __le16 *ieee80211_get_qos_ctrl(struct ie return NULL; } -static const struct ieee80211_hw_mode *iwl_get_hw_mode( - struct iwl_priv *priv, int mode) +static const struct ieee80211_hw_mode *iwl4965_get_hw_mode( + struct iwl4965_priv *priv, int mode) { int i; @@ -137,7 +128,7 @@ static const struct ieee80211_hw_mode *i return NULL; } -static int iwl_is_empty_essid(const char *essid, int essid_len) +static int iwl4965_is_empty_essid(const char *essid, int essid_len) { /* Single white space is for Linksys APs */ if (essid_len == 1 && essid[0] == ' ') @@ -153,13 +144,13 @@ static int iwl_is_empty_essid(const char return 1; } -static const char *iwl_escape_essid(const char *essid, u8 essid_len) +static const char *iwl4965_escape_essid(const char *essid, u8 essid_len) { static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; const char *s = essid; char *d = escaped; - if (iwl_is_empty_essid(essid, essid_len)) { + if (iwl4965_is_empty_essid(essid, essid_len)) { memcpy(escaped, "", sizeof("")); return escaped; } @@ -177,29 +168,49 @@ static const char *iwl_escape_essid(cons return escaped; } +static void iwl4965_print_hex_dump(int level, void *p, u32 len) +{ +#ifdef CONFIG_IWL4965_DEBUG + if (!(iwl4965_debug_level & level)) + return; + + print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, + p, len, 1); +#endif +} + /*************** DMA-QUEUE-GENERAL-FUNCTIONS ***** * DMA services * * Theory of operation * - * A queue is a circular buffers with 'Read' and 'Write' pointers. - * 2 empty entries always kept in the buffer to protect from overflow. + * A Tx or Rx queue resides in host DRAM, and is comprised of a circular buffer + * of buffer descriptors, each of which points to one or more data buffers for + * the device to read from or fill. Driver and device exchange status of each + * queue via "read" and "write" pointers. Driver keeps minimum of 2 empty + * entries in each circular buffer, to protect against confusing empty and full + * queue states. + * + * The device reads or writes the data in the queues via the device's several + * DMA/FIFO channels. Each queue is mapped to a single DMA channel. * * For Tx queue, there are low mark and high mark limits. If, after queuing * the packet for Tx, free space become < low mark, Tx queue stopped. When * reclaiming packets (on 'tx done IRQ), if free space become > high mark, * Tx queue resumed. * - * The IPW operates with six queues, one receive queue in the device's - * sram, one transmit queue for sending commands to the device firmware, - * and four transmit queues for data. + * The 4965 operates with up to 17 queues: One receive queue, one transmit + * queue (#4) for sending commands to the device firmware, and 15 other + * Tx queues that may be mapped to prioritized Tx DMA/FIFO channels. + * + * See more detailed info in iwl-4965-hw.h. ***************************************************/ -static int iwl_queue_space(const struct iwl_queue *q) +static int iwl4965_queue_space(const struct iwl4965_queue *q) { - int s = q->last_used - q->first_empty; + int s = q->read_ptr - q->write_ptr; - if (q->last_used > q->first_empty) + if (q->read_ptr > q->write_ptr) s -= q->n_bd; if (s <= 0) @@ -211,42 +222,55 @@ static int iwl_queue_space(const struct return s; } -/* XXX: n_bd must be power-of-two size */ -static inline int iwl_queue_inc_wrap(int index, int n_bd) +/** + * iwl4965_queue_inc_wrap - increment queue index, wrap back to beginning + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl4965_queue_inc_wrap(int index, int n_bd) { return ++index & (n_bd - 1); } -/* XXX: n_bd must be power-of-two size */ -static inline int iwl_queue_dec_wrap(int index, int n_bd) +/** + * iwl4965_queue_dec_wrap - decrement queue index, wrap back to end + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl4965_queue_dec_wrap(int index, int n_bd) { return --index & (n_bd - 1); } -static inline int x2_queue_used(const struct iwl_queue *q, int i) +static inline int x2_queue_used(const struct iwl4965_queue *q, int i) { - return q->first_empty > q->last_used ? - (i >= q->last_used && i < q->first_empty) : - !(i < q->last_used && i >= q->first_empty); + return q->write_ptr > q->read_ptr ? + (i >= q->read_ptr && i < q->write_ptr) : + !(i < q->read_ptr && i >= q->write_ptr); } -static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) +static inline u8 get_cmd_index(struct iwl4965_queue *q, u32 index, int is_huge) { + /* This is for scan command, the big buffer at end of command array */ if (is_huge) - return q->n_window; + return q->n_window; /* must be power of 2 */ + /* Otherwise, use normal size buffers */ return index & (q->n_window - 1); } -static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, +/** + * iwl4965_queue_init - Initialize queue's high/low-water and read/write indexes + */ +static int iwl4965_queue_init(struct iwl4965_priv *priv, struct iwl4965_queue *q, int count, int slots_num, u32 id) { q->n_bd = count; q->n_window = slots_num; q->id = id; - /* count must be power-of-two size, otherwise iwl_queue_inc_wrap - * and iwl_queue_dec_wrap are broken. */ + /* count must be power-of-two size, otherwise iwl4965_queue_inc_wrap + * and iwl4965_queue_dec_wrap are broken. */ BUG_ON(!is_power_of_2(count)); /* slots_num must be power-of-two size, otherwise @@ -261,27 +285,34 @@ static int iwl_queue_init(struct iwl_pri if (q->high_mark < 2) q->high_mark = 2; - q->first_empty = q->last_used = 0; + q->write_ptr = q->read_ptr = 0; return 0; } -static int iwl_tx_queue_alloc(struct iwl_priv *priv, - struct iwl_tx_queue *txq, u32 id) +/** + * iwl4965_tx_queue_alloc - Alloc driver data and TFD CB for one Tx/cmd queue + */ +static int iwl4965_tx_queue_alloc(struct iwl4965_priv *priv, + struct iwl4965_tx_queue *txq, u32 id) { struct pci_dev *dev = priv->pci_dev; + /* Driver private data, only for Tx (not command) queues, + * not shared with device. */ if (id != IWL_CMD_QUEUE_NUM) { txq->txb = kmalloc(sizeof(txq->txb[0]) * TFD_QUEUE_SIZE_MAX, GFP_KERNEL); if (!txq->txb) { - IWL_ERROR("kmalloc for auxilary BD " + IWL_ERROR("kmalloc for auxiliary BD " "structures failed\n"); goto error; } } else txq->txb = NULL; + /* Circular buffer of transmit frame descriptors (TFDs), + * shared with device */ txq->bd = pci_alloc_consistent(dev, sizeof(txq->bd[0]) * TFD_QUEUE_SIZE_MAX, &txq->q.dma_addr); @@ -304,24 +335,33 @@ static int iwl_tx_queue_alloc(struct iwl return -ENOMEM; } -int iwl_tx_queue_init(struct iwl_priv *priv, - struct iwl_tx_queue *txq, int slots_num, u32 txq_id) +/** + * iwl4965_tx_queue_init - Allocate and initialize one tx/cmd queue + */ +int iwl4965_tx_queue_init(struct iwl4965_priv *priv, + struct iwl4965_tx_queue *txq, int slots_num, u32 txq_id) { struct pci_dev *dev = priv->pci_dev; int len; int rc = 0; - /* alocate command space + one big command for scan since scan - * command is very huge the system will not have two scan at the - * same time */ - len = sizeof(struct iwl_cmd) * slots_num; + /* + * Alloc buffer array for commands (Tx or other types of commands). + * For the command queue (#4), allocate command space + one big + * command for scan, since scan command is very huge; the system will + * not have two scans at the same time, so only one is needed. + * For data Tx queues (all other queues), no super-size command + * space is needed. + */ + len = sizeof(struct iwl4965_cmd) * slots_num; if (txq_id == IWL_CMD_QUEUE_NUM) len += IWL_MAX_SCAN_SIZE; txq->cmd = pci_alloc_consistent(dev, len, &txq->dma_addr_cmd); if (!txq->cmd) return -ENOMEM; - rc = iwl_tx_queue_alloc(priv, txq, txq_id); + /* Alloc driver data array and TFD circular buffer */ + rc = iwl4965_tx_queue_alloc(priv, txq, txq_id); if (rc) { pci_free_consistent(dev, len, txq->cmd, txq->dma_addr_cmd); @@ -330,26 +370,29 @@ int iwl_tx_queue_init(struct iwl_priv *p txq->need_update = 0; /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise - * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */ + * iwl4965_queue_inc_wrap and iwl4965_queue_dec_wrap are broken. */ BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); - iwl_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); - iwl_hw_tx_queue_init(priv, txq); + /* Initialize queue's high/low-water marks, and head/tail indexes */ + iwl4965_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); + + /* Tell device where to find queue */ + iwl4965_hw_tx_queue_init(priv, txq); return 0; } /** - * iwl_tx_queue_free - Deallocate DMA queue. + * iwl4965_tx_queue_free - Deallocate DMA queue. * @txq: Transmit queue to deallocate. * * Empty queue by removing and destroying all BD's. - * Free all buffers. txq itself is not freed. - * + * Free all buffers. + * 0-fill, but do not free "txq" descriptor structure. */ -void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq) +void iwl4965_tx_queue_free(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq) { - struct iwl_queue *q = &txq->q; + struct iwl4965_queue *q = &txq->q; struct pci_dev *dev = priv->pci_dev; int len; @@ -357,44 +400,48 @@ void iwl_tx_queue_free(struct iwl_priv * return; /* first, empty all BD's */ - for (; q->first_empty != q->last_used; - q->last_used = iwl_queue_inc_wrap(q->last_used, q->n_bd)) - iwl_hw_txq_free_tfd(priv, txq); + for (; q->write_ptr != q->read_ptr; + q->read_ptr = iwl4965_queue_inc_wrap(q->read_ptr, q->n_bd)) + iwl4965_hw_txq_free_tfd(priv, txq); - len = sizeof(struct iwl_cmd) * q->n_window; + len = sizeof(struct iwl4965_cmd) * q->n_window; if (q->id == IWL_CMD_QUEUE_NUM) len += IWL_MAX_SCAN_SIZE; + /* De-alloc array of command/tx buffers */ pci_free_consistent(dev, len, txq->cmd, txq->dma_addr_cmd); - /* free buffers belonging to queue itself */ + /* De-alloc circular buffer of TFDs */ if (txq->q.n_bd) - pci_free_consistent(dev, sizeof(struct iwl_tfd_frame) * + pci_free_consistent(dev, sizeof(struct iwl4965_tfd_frame) * txq->q.n_bd, txq->bd, txq->q.dma_addr); + /* De-alloc array of per-TFD driver data */ if (txq->txb) { kfree(txq->txb); txq->txb = NULL; } - /* 0 fill whole structure */ + /* 0-fill queue descriptor structure */ memset(txq, 0, sizeof(*txq)); } -const u8 BROADCAST_ADDR[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; +const u8 iwl4965_broadcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; /*************** STATION TABLE MANAGEMENT **** - * - * NOTE: This needs to be overhauled to better synchronize between - * how the iwl-4965.c is using iwl_hw_find_station vs. iwl-3945.c - * - * mac80211 should also be examined to determine if sta_info is duplicating + * mac80211 should be examined to determine if sta_info is duplicating * the functionality provided here */ /**************************************************************/ -static u8 iwl_remove_station(struct iwl_priv *priv, const u8 *addr, int is_ap) +#if 0 /* temporary disable till we add real remove station */ +/** + * iwl4965_remove_station - Remove driver's knowledge of station. + * + * NOTE: This does not remove station from device's station table. + */ +static u8 iwl4965_remove_station(struct iwl4965_priv *priv, const u8 *addr, int is_ap) { int index = IWL_INVALID_STATION; int i; @@ -429,8 +476,14 @@ out: spin_unlock_irqrestore(&priv->sta_lock, flags); return 0; } +#endif -static void iwl_clear_stations_table(struct iwl_priv *priv) +/** + * iwl4965_clear_stations_table - Clear the driver's station table + * + * NOTE: This does not clear or otherwise alter the device's station table. + */ +static void iwl4965_clear_stations_table(struct iwl4965_priv *priv) { unsigned long flags; @@ -442,12 +495,17 @@ static void iwl_clear_stations_table(str spin_unlock_irqrestore(&priv->sta_lock, flags); } -u8 iwl_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap, u8 flags) +/** + * iwl4965_add_station_flags - Add station to tables in driver and device + */ +u8 iwl4965_add_station_flags(struct iwl4965_priv *priv, const u8 *addr, + int is_ap, u8 flags, void *ht_data) { int i; int index = IWL_INVALID_STATION; - struct iwl_station_entry *station; + struct iwl4965_station_entry *station; unsigned long flags_spin; + DECLARE_MAC_BUF(mac); spin_lock_irqsave(&priv->sta_lock, flags_spin); if (is_ap) @@ -468,8 +526,8 @@ u8 iwl_add_station(struct iwl_priv *priv } - /* These twh conditions has the same outcome but keep them separate - since they have different meaning */ + /* These two conditions have the same outcome, but keep them separate + since they have different meanings */ if (unlikely(index == IWL_INVALID_STATION)) { spin_unlock_irqrestore(&priv->sta_lock, flags_spin); return index; @@ -482,33 +540,37 @@ u8 iwl_add_station(struct iwl_priv *priv } - IWL_DEBUG_ASSOC("Add STA ID %d: " MAC_FMT "\n", index, MAC_ARG(addr)); + IWL_DEBUG_ASSOC("Add STA ID %d: %s\n", index, print_mac(mac, addr)); station = &priv->stations[index]; station->used = 1; priv->num_stations++; - memset(&station->sta, 0, sizeof(struct iwl_addsta_cmd)); + /* Set up the REPLY_ADD_STA command to send to device */ + memset(&station->sta, 0, sizeof(struct iwl4965_addsta_cmd)); memcpy(station->sta.sta.addr, addr, ETH_ALEN); station->sta.mode = 0; station->sta.sta.sta_id = index; station->sta.station_flags = 0; -#ifdef CONFIG_IWLWIFI_HT +#ifdef CONFIG_IWL4965_HT /* BCAST station and IBSS stations do not work in HT mode */ if (index != priv->hw_setting.bcast_sta_id && priv->iw_mode != IEEE80211_IF_TYPE_IBSS) - iwl4965_set_ht_add_station(priv, index); -#endif /*CONFIG_IWLWIFI_HT*/ + iwl4965_set_ht_add_station(priv, index, + (struct ieee80211_ht_info *) ht_data); +#endif /*CONFIG_IWL4965_HT*/ spin_unlock_irqrestore(&priv->sta_lock, flags_spin); - iwl_send_add_station(priv, &station->sta, flags); + + /* Add station to device's station table */ + iwl4965_send_add_station(priv, &station->sta, flags); return index; } /*************** DRIVER STATUS FUNCTIONS *****/ -static inline int iwl_is_ready(struct iwl_priv *priv) +static inline int iwl4965_is_ready(struct iwl4965_priv *priv) { /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are * set but EXIT_PENDING is not */ @@ -517,29 +579,29 @@ static inline int iwl_is_ready(struct iw !test_bit(STATUS_EXIT_PENDING, &priv->status); } -static inline int iwl_is_alive(struct iwl_priv *priv) +static inline int iwl4965_is_alive(struct iwl4965_priv *priv) { return test_bit(STATUS_ALIVE, &priv->status); } -static inline int iwl_is_init(struct iwl_priv *priv) +static inline int iwl4965_is_init(struct iwl4965_priv *priv) { return test_bit(STATUS_INIT, &priv->status); } -static inline int iwl_is_rfkill(struct iwl_priv *priv) +static inline int iwl4965_is_rfkill(struct iwl4965_priv *priv) { return test_bit(STATUS_RF_KILL_HW, &priv->status) || test_bit(STATUS_RF_KILL_SW, &priv->status); } -static inline int iwl_is_ready_rf(struct iwl_priv *priv) +static inline int iwl4965_is_ready_rf(struct iwl4965_priv *priv) { - if (iwl_is_rfkill(priv)) + if (iwl4965_is_rfkill(priv)) return 0; - return iwl_is_ready(priv); + return iwl4965_is_ready(priv); } /*************** HOST COMMAND QUEUE FUNCTIONS *****/ @@ -604,7 +666,7 @@ static const char *get_cmd_string(u8 cmd #define HOST_COMPLETE_TIMEOUT (HZ / 2) /** - * iwl_enqueue_hcmd - enqueue a uCode command + * iwl4965_enqueue_hcmd - enqueue a uCode command * @priv: device private data point * @cmd: a point to the ucode command structure * @@ -612,13 +674,13 @@ static const char *get_cmd_string(u8 cmd * failed. On success, it turns the index (> 0) of command in the * command queue. */ -static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl4965_enqueue_hcmd(struct iwl4965_priv *priv, struct iwl4965_host_cmd *cmd) { - struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM]; - struct iwl_queue *q = &txq->q; - struct iwl_tfd_frame *tfd; + struct iwl4965_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM]; + struct iwl4965_queue *q = &txq->q; + struct iwl4965_tfd_frame *tfd; u32 *control_flags; - struct iwl_cmd *out_cmd; + struct iwl4965_cmd *out_cmd; u32 idx; u16 fix_size = (u16)(cmd->len + sizeof(out_cmd->hdr)); dma_addr_t phys_addr; @@ -631,19 +693,19 @@ static int iwl_enqueue_hcmd(struct iwl_p BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && !(cmd->meta.flags & CMD_SIZE_HUGE)); - if (iwl_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { + if (iwl4965_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { IWL_ERROR("No space for Tx\n"); return -ENOSPC; } spin_lock_irqsave(&priv->hcmd_lock, flags); - tfd = &txq->bd[q->first_empty]; + tfd = &txq->bd[q->write_ptr]; memset(tfd, 0, sizeof(*tfd)); control_flags = (u32 *) tfd; - idx = get_cmd_index(q, q->first_empty, cmd->meta.flags & CMD_SIZE_HUGE); + idx = get_cmd_index(q, q->write_ptr, cmd->meta.flags & CMD_SIZE_HUGE); out_cmd = &txq->cmd[idx]; out_cmd->hdr.cmd = cmd->id; @@ -655,30 +717,34 @@ static int iwl_enqueue_hcmd(struct iwl_p out_cmd->hdr.flags = 0; out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(IWL_CMD_QUEUE_NUM) | - INDEX_TO_SEQ(q->first_empty)); + INDEX_TO_SEQ(q->write_ptr)); if (out_cmd->meta.flags & CMD_SIZE_HUGE) out_cmd->hdr.sequence |= cpu_to_le16(SEQ_HUGE_FRAME); phys_addr = txq->dma_addr_cmd + sizeof(txq->cmd[0]) * idx + - offsetof(struct iwl_cmd, hdr); - iwl_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, fix_size); + offsetof(struct iwl4965_cmd, hdr); + iwl4965_hw_txq_attach_buf_to_tfd(priv, tfd, phys_addr, fix_size); IWL_DEBUG_HC("Sending command %s (#%x), seq: 0x%04X, " "%d bytes at %d[%d]:%d\n", get_cmd_string(out_cmd->hdr.cmd), out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence), - fix_size, q->first_empty, idx, IWL_CMD_QUEUE_NUM); + fix_size, q->write_ptr, idx, IWL_CMD_QUEUE_NUM); txq->need_update = 1; + + /* Set up entry in queue's byte count circular buffer */ ret = iwl4965_tx_queue_update_wr_ptr(priv, txq, 0); - q->first_empty = iwl_queue_inc_wrap(q->first_empty, q->n_bd); - iwl_tx_queue_update_write_ptr(priv, txq); + + /* Increment and update queue's write index */ + q->write_ptr = iwl4965_queue_inc_wrap(q->write_ptr, q->n_bd); + iwl4965_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->hcmd_lock, flags); return ret ? ret : idx; } -int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl4965_send_cmd_async(struct iwl4965_priv *priv, struct iwl4965_host_cmd *cmd) { int ret; @@ -693,16 +759,16 @@ int iwl_send_cmd_async(struct iwl_priv * if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return -EBUSY; - ret = iwl_enqueue_hcmd(priv, cmd); + ret = iwl4965_enqueue_hcmd(priv, cmd); if (ret < 0) { - IWL_ERROR("Error sending %s: iwl_enqueue_hcmd failed: %d\n", + IWL_ERROR("Error sending %s: iwl4965_enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; } return 0; } -int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +static int iwl4965_send_cmd_sync(struct iwl4965_priv *priv, struct iwl4965_host_cmd *cmd) { int cmd_idx; int ret; @@ -724,10 +790,10 @@ int iwl_send_cmd_sync(struct iwl_priv *p if (cmd->meta.flags & CMD_WANT_SKB) cmd->meta.source = &cmd->meta; - cmd_idx = iwl_enqueue_hcmd(priv, cmd); + cmd_idx = iwl4965_enqueue_hcmd(priv, cmd); if (cmd_idx < 0) { ret = cmd_idx; - IWL_ERROR("Error sending %s: iwl_enqueue_hcmd failed: %d\n", + IWL_ERROR("Error sending %s: iwl4965_enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); goto out; } @@ -771,7 +837,7 @@ int iwl_send_cmd_sync(struct iwl_priv *p cancel: if (cmd->meta.flags & CMD_WANT_SKB) { - struct iwl_cmd *qcmd; + struct iwl4965_cmd *qcmd; /* Cancel the CMD_WANT_SKB flag for the cmd in the * TX cmd queue. Otherwise in case the cmd comes @@ -790,68 +856,75 @@ out: return ret; } -int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +int iwl4965_send_cmd(struct iwl4965_priv *priv, struct iwl4965_host_cmd *cmd) { - /* A command can not be asynchronous AND expect an SKB to be set. */ - BUG_ON((cmd->meta.flags & CMD_ASYNC) && - (cmd->meta.flags & CMD_WANT_SKB)); - if (cmd->meta.flags & CMD_ASYNC) - return iwl_send_cmd_async(priv, cmd); + return iwl4965_send_cmd_async(priv, cmd); - return iwl_send_cmd_sync(priv, cmd); + return iwl4965_send_cmd_sync(priv, cmd); } -int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data) +int iwl4965_send_cmd_pdu(struct iwl4965_priv *priv, u8 id, u16 len, const void *data) { - struct iwl_host_cmd cmd = { + struct iwl4965_host_cmd cmd = { .id = id, .len = len, .data = data, }; - return iwl_send_cmd_sync(priv, &cmd); + return iwl4965_send_cmd_sync(priv, &cmd); } -static int __must_check iwl_send_cmd_u32(struct iwl_priv *priv, u8 id, u32 val) +static int __must_check iwl4965_send_cmd_u32(struct iwl4965_priv *priv, u8 id, u32 val) { - struct iwl_host_cmd cmd = { + struct iwl4965_host_cmd cmd = { .id = id, .len = sizeof(val), .data = &val, }; - return iwl_send_cmd_sync(priv, &cmd); + return iwl4965_send_cmd_sync(priv, &cmd); } -int iwl_send_statistics_request(struct iwl_priv *priv) +int iwl4965_send_statistics_request(struct iwl4965_priv *priv) { - return iwl_send_cmd_u32(priv, REPLY_STATISTICS_CMD, 0); + return iwl4965_send_cmd_u32(priv, REPLY_STATISTICS_CMD, 0); } /** - * iwl_rxon_add_station - add station into station table. + * iwl4965_rxon_add_station - add station into station table. * * there is only one AP station with id= IWL_AP_ID - * NOTE: mutex must be held before calling the this fnction -*/ -static int iwl_rxon_add_station(struct iwl_priv *priv, + * NOTE: mutex must be held before calling this fnction + */ +static int iwl4965_rxon_add_station(struct iwl4965_priv *priv, const u8 *addr, int is_ap) { - u8 rc; - - /* Remove this station if it happens to already exist */ - iwl_remove_station(priv, addr, is_ap); + u8 sta_id; - rc = iwl_add_station(priv, addr, is_ap, 0); + /* Add station to device's station table */ +#ifdef CONFIG_IWL4965_HT + struct ieee80211_conf *conf = &priv->hw->conf; + struct ieee80211_ht_info *cur_ht_config = &conf->ht_conf; + + if ((is_ap) && + (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) && + (priv->iw_mode == IEEE80211_IF_TYPE_STA)) + sta_id = iwl4965_add_station_flags(priv, addr, is_ap, + 0, cur_ht_config); + else +#endif /* CONFIG_IWL4965_HT */ + sta_id = iwl4965_add_station_flags(priv, addr, is_ap, + 0, NULL); + /* Set up default rate scaling table in device's station table */ iwl4965_add_station(priv, addr, is_ap); - return rc; + return sta_id; } /** - * iwl_set_rxon_channel - Set the phymode and channel values in staging RXON + * iwl4965_set_rxon_channel - Set the phymode and channel values in staging RXON * @phymode: MODE_IEEE80211A sets to 5.2GHz; all else set to 2.4GHz * @channel: Any channel valid for the requested phymode @@ -860,9 +933,10 @@ static int iwl_rxon_add_station(struct i * NOTE: Does not commit to the hardware; it sets appropriate bit fields * in the staging RXON flag structure based on the phymode */ -static int iwl_set_rxon_channel(struct iwl_priv *priv, u8 phymode, u16 channel) +static int iwl4965_set_rxon_channel(struct iwl4965_priv *priv, u8 phymode, + u16 channel) { - if (!iwl_get_channel_info(priv, phymode, channel)) { + if (!iwl4965_get_channel_info(priv, phymode, channel)) { IWL_DEBUG_INFO("Could not set channel to %d [%d]\n", channel, phymode); return -EINVAL; @@ -886,13 +960,13 @@ static int iwl_set_rxon_channel(struct i } /** - * iwl_check_rxon_cmd - validate RXON structure is valid + * iwl4965_check_rxon_cmd - validate RXON structure is valid * * NOTE: This is really only useful during development and can eventually * be #ifdef'd out once the driver is stable and folks aren't actively * making changes */ -static int iwl_check_rxon_cmd(struct iwl_rxon_cmd *rxon) +static int iwl4965_check_rxon_cmd(struct iwl4965_rxon_cmd *rxon) { int error = 0; int counter = 1; @@ -952,21 +1026,21 @@ static int iwl_check_rxon_cmd(struct iwl le16_to_cpu(rxon->channel)); if (error) { - IWL_ERROR("Not a valid iwl_rxon_assoc_cmd field values\n"); + IWL_ERROR("Not a valid iwl4965_rxon_assoc_cmd field values\n"); return -1; } return 0; } /** - * iwl_full_rxon_required - determine if RXON_ASSOC can be used in RXON commit - * @priv: staging_rxon is comapred to active_rxon + * iwl4965_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed + * @priv: staging_rxon is compared to active_rxon * - * If the RXON structure is changing sufficient to require a new - * tune or to clear and reset the RXON_FILTER_ASSOC_MSK then return 1 - * to indicate a new tune is required. + * If the RXON structure is changing enough to require a new tune, + * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that + * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required. */ -static int iwl_full_rxon_required(struct iwl_priv *priv) +static int iwl4965_full_rxon_required(struct iwl4965_priv *priv) { /* These items are only settable from the full RXON command */ @@ -1006,19 +1080,19 @@ static int iwl_full_rxon_required(struct return 0; } -static int iwl_send_rxon_assoc(struct iwl_priv *priv) +static int iwl4965_send_rxon_assoc(struct iwl4965_priv *priv) { int rc = 0; - struct iwl_rx_packet *res = NULL; - struct iwl_rxon_assoc_cmd rxon_assoc; - struct iwl_host_cmd cmd = { + struct iwl4965_rx_packet *res = NULL; + struct iwl4965_rxon_assoc_cmd rxon_assoc; + struct iwl4965_host_cmd cmd = { .id = REPLY_RXON_ASSOC, .len = sizeof(rxon_assoc), .meta.flags = CMD_WANT_SKB, .data = &rxon_assoc, }; - const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon; - const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon; + const struct iwl4965_rxon_cmd *rxon1 = &priv->staging_rxon; + const struct iwl4965_rxon_cmd *rxon2 = &priv->active_rxon; if ((rxon1->flags == rxon2->flags) && (rxon1->filter_flags == rxon2->filter_flags) && @@ -1044,11 +1118,11 @@ static int iwl_send_rxon_assoc(struct iw priv->staging_rxon.ofdm_ht_dual_stream_basic_rates; rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain; - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl4965_send_cmd_sync(priv, &cmd); if (rc) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl4965_rx_packet *)cmd.meta.u.skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_RXON_ASSOC command\n"); rc = -EIO; @@ -1061,36 +1135,37 @@ static int iwl_send_rxon_assoc(struct iw } /** - * iwl_commit_rxon - commit staging_rxon to hardware + * iwl4965_commit_rxon - commit staging_rxon to hardware * - * The RXON command in staging_rxon is commited to the hardware and + * The RXON command in staging_rxon is committed to the hardware and * the active_rxon structure is updated with the new data. This * function correctly transitions out of the RXON_ASSOC_MSK state if * a HW tune is required based on the RXON structure changes. */ -static int iwl_commit_rxon(struct iwl_priv *priv) +static int iwl4965_commit_rxon(struct iwl4965_priv *priv) { /* cast away the const for active_rxon in this function */ - struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon; + struct iwl4965_rxon_cmd *active_rxon = (void *)&priv->active_rxon; + DECLARE_MAC_BUF(mac); int rc = 0; - if (!iwl_is_alive(priv)) + if (!iwl4965_is_alive(priv)) return -1; /* always get timestamp with Rx frame */ priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK; - rc = iwl_check_rxon_cmd(&priv->staging_rxon); + rc = iwl4965_check_rxon_cmd(&priv->staging_rxon); if (rc) { IWL_ERROR("Invalid RXON configuration. Not committing.\n"); return -EINVAL; } /* If we don't need to send a full RXON, we can use - * iwl_rxon_assoc_cmd which is used to reconfigure filter + * iwl4965_rxon_assoc_cmd which is used to reconfigure filter * and other flags for the current radio configuration. */ - if (!iwl_full_rxon_required(priv)) { - rc = iwl_send_rxon_assoc(priv); + if (!iwl4965_full_rxon_required(priv)) { + rc = iwl4965_send_rxon_assoc(priv); if (rc) { IWL_ERROR("Error setting RXON_ASSOC " "configuration (%d).\n", rc); @@ -1105,25 +1180,25 @@ static int iwl_commit_rxon(struct iwl_pr /* station table will be cleared */ priv->assoc_station_added = 0; -#ifdef CONFIG_IWLWIFI_SENSITIVITY +#ifdef CONFIG_IWL4965_SENSITIVITY priv->sensitivity_data.state = IWL_SENS_CALIB_NEED_REINIT; if (!priv->error_recovering) priv->start_calib = 0; iwl4965_init_sensitivity(priv, CMD_ASYNC, 1); -#endif /* CONFIG_IWLWIFI_SENSITIVITY */ +#endif /* CONFIG_IWL4965_SENSITIVITY */ /* If we are currently associated and the new config requires * an RXON_ASSOC and the new config wants the associated mask enabled, * we must clear the associated from the active configuration * before we apply the new config */ - if (iwl_is_associated(priv) && + if (iwl4965_is_associated(priv) && (priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK)) { IWL_DEBUG_INFO("Toggling associated bit on current RXON\n"); active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - rc = iwl_send_cmd_pdu(priv, REPLY_RXON, - sizeof(struct iwl_rxon_cmd), + rc = iwl4965_send_cmd_pdu(priv, REPLY_RXON, + sizeof(struct iwl4965_rxon_cmd), &priv->active_rxon); /* If the mask clearing failed then we set @@ -1134,55 +1209,47 @@ static int iwl_commit_rxon(struct iwl_pr "configuration (%d).\n", rc); return rc; } - - /* The RXON bit toggling will have cleared out the - * station table in the uCode, so blank it in the driver - * as well */ - iwl_clear_stations_table(priv); - } else if (priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) { - /* When switching from non-associated to associated, the - * uCode clears out the station table; so clear it in the - * driver as well */ - iwl_clear_stations_table(priv); } IWL_DEBUG_INFO("Sending RXON\n" "* with%s RXON_FILTER_ASSOC_MSK\n" "* channel = %d\n" - "* bssid = " MAC_FMT "\n", + "* bssid = %s\n", ((priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? "" : "out"), le16_to_cpu(priv->staging_rxon.channel), - MAC_ARG(priv->staging_rxon.bssid_addr)); + print_mac(mac, priv->staging_rxon.bssid_addr)); /* Apply the new configuration */ - rc = iwl_send_cmd_pdu(priv, REPLY_RXON, - sizeof(struct iwl_rxon_cmd), &priv->staging_rxon); + rc = iwl4965_send_cmd_pdu(priv, REPLY_RXON, + sizeof(struct iwl4965_rxon_cmd), &priv->staging_rxon); if (rc) { IWL_ERROR("Error setting new configuration (%d).\n", rc); return rc; } -#ifdef CONFIG_IWLWIFI_SENSITIVITY + iwl4965_clear_stations_table(priv); + +#ifdef CONFIG_IWL4965_SENSITIVITY if (!priv->error_recovering) priv->start_calib = 0; priv->sensitivity_data.state = IWL_SENS_CALIB_NEED_REINIT; iwl4965_init_sensitivity(priv, CMD_ASYNC, 1); -#endif /* CONFIG_IWLWIFI_SENSITIVITY */ +#endif /* CONFIG_IWL4965_SENSITIVITY */ memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); /* If we issue a new RXON command which required a tune then we must * send a new TXPOWER command or we won't be able to Tx any frames */ - rc = iwl_hw_reg_send_txpower(priv); + rc = iwl4965_hw_reg_send_txpower(priv); if (rc) { IWL_ERROR("Error setting Tx power (%d).\n", rc); return rc; } /* Add the broadcast address so we can send broadcast frames */ - if (iwl_rxon_add_station(priv, BROADCAST_ADDR, 0) == + if (iwl4965_rxon_add_station(priv, iwl4965_broadcast_addr, 0) == IWL_INVALID_STATION) { IWL_ERROR("Error adding BROADCAST address for transmit.\n"); return -EIO; @@ -1190,9 +1257,9 @@ static int iwl_commit_rxon(struct iwl_pr /* If we have set the ASSOC_MSK and we are in BSS mode then * add the IWL_AP_ID to the station rate table */ - if (iwl_is_associated(priv) && + if (iwl4965_is_associated(priv) && (priv->iw_mode == IEEE80211_IF_TYPE_STA)) { - if (iwl_rxon_add_station(priv, priv->active_rxon.bssid_addr, 1) + if (iwl4965_rxon_add_station(priv, priv->active_rxon.bssid_addr, 1) == IWL_INVALID_STATION) { IWL_ERROR("Error adding AP address for transmit.\n"); return -EIO; @@ -1203,9 +1270,9 @@ static int iwl_commit_rxon(struct iwl_pr return 0; } -static int iwl_send_bt_config(struct iwl_priv *priv) +static int iwl4965_send_bt_config(struct iwl4965_priv *priv) { - struct iwl_bt_cmd bt_cmd = { + struct iwl4965_bt_cmd bt_cmd = { .flags = 3, .lead_time = 0xAA, .max_kill = 1, @@ -1213,15 +1280,15 @@ static int iwl_send_bt_config(struct iwl .kill_cts_mask = 0, }; - return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG, - sizeof(struct iwl_bt_cmd), &bt_cmd); + return iwl4965_send_cmd_pdu(priv, REPLY_BT_CONFIG, + sizeof(struct iwl4965_bt_cmd), &bt_cmd); } -static int iwl_send_scan_abort(struct iwl_priv *priv) +static int iwl4965_send_scan_abort(struct iwl4965_priv *priv) { int rc = 0; - struct iwl_rx_packet *res; - struct iwl_host_cmd cmd = { + struct iwl4965_rx_packet *res; + struct iwl4965_host_cmd cmd = { .id = REPLY_SCAN_ABORT_CMD, .meta.flags = CMD_WANT_SKB, }; @@ -1234,13 +1301,13 @@ static int iwl_send_scan_abort(struct iw return 0; } - rc = iwl_send_cmd_sync(priv, &cmd); + rc = iwl4965_send_cmd_sync(priv, &cmd); if (rc) { clear_bit(STATUS_SCAN_ABORTING, &priv->status); return rc; } - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl4965_rx_packet *)cmd.meta.u.skb->data; if (res->u.status != CAN_ABORT_STATUS) { /* The scan abort will return 1 for success or * 2 for "failure". A failure condition can be @@ -1258,8 +1325,8 @@ static int iwl_send_scan_abort(struct iw return rc; } -static int iwl_card_state_sync_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, +static int iwl4965_card_state_sync_callback(struct iwl4965_priv *priv, + struct iwl4965_cmd *cmd, struct sk_buff *skb) { return 1; @@ -1268,16 +1335,16 @@ static int iwl_card_state_sync_callback( /* * CARD_STATE_CMD * - * Use: Sets the internal card state to enable, disable, or halt + * Use: Sets the device's internal card state to enable, disable, or halt * * When in the 'enable' state the card operates as normal. * When in the 'disable' state, the card enters into a low power mode. * When in the 'halt' state, the card is shut down and must be fully * restarted to come back on. */ -static int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) +static int iwl4965_send_card_state(struct iwl4965_priv *priv, u32 flags, u8 meta_flag) { - struct iwl_host_cmd cmd = { + struct iwl4965_host_cmd cmd = { .id = REPLY_CARD_STATE_CMD, .len = sizeof(u32), .data = &flags, @@ -1285,22 +1352,22 @@ static int iwl_send_card_state(struct iw }; if (meta_flag & CMD_ASYNC) - cmd.meta.u.callback = iwl_card_state_sync_callback; + cmd.meta.u.callback = iwl4965_card_state_sync_callback; - return iwl_send_cmd(priv, &cmd); + return iwl4965_send_cmd(priv, &cmd); } -static int iwl_add_sta_sync_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb) +static int iwl4965_add_sta_sync_callback(struct iwl4965_priv *priv, + struct iwl4965_cmd *cmd, struct sk_buff *skb) { - struct iwl_rx_packet *res = NULL; + struct iwl4965_rx_packet *res = NULL; if (!skb) { IWL_ERROR("Error: Response NULL in REPLY_ADD_STA.\n"); return 1; } - res = (struct iwl_rx_packet *)skb->data; + res = (struct iwl4965_rx_packet *)skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_ADD_STA (0x%08X)\n", res->hdr.flags); @@ -1318,29 +1385,29 @@ static int iwl_add_sta_sync_callback(str return 1; } -int iwl_send_add_station(struct iwl_priv *priv, - struct iwl_addsta_cmd *sta, u8 flags) +int iwl4965_send_add_station(struct iwl4965_priv *priv, + struct iwl4965_addsta_cmd *sta, u8 flags) { - struct iwl_rx_packet *res = NULL; + struct iwl4965_rx_packet *res = NULL; int rc = 0; - struct iwl_host_cmd cmd = { + struct iwl4965_host_cmd cmd = { .id = REPLY_ADD_STA, - .len = sizeof(struct iwl_addsta_cmd), + .len = sizeof(struct iwl4965_addsta_cmd), .meta.flags = flags, .data = sta, }; if (flags & CMD_ASYNC) - cmd.meta.u.callback = iwl_add_sta_sync_callback; + cmd.meta.u.callback = iwl4965_add_sta_sync_callback; else cmd.meta.flags |= CMD_WANT_SKB; - rc = iwl_send_cmd(priv, &cmd); + rc = iwl4965_send_cmd(priv, &cmd); if (rc || (flags & CMD_ASYNC)) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl4965_rx_packet *)cmd.meta.u.skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERROR("Bad return from REPLY_ADD_STA (0x%08X)\n", res->hdr.flags); @@ -1365,7 +1432,7 @@ int iwl_send_add_station(struct iwl_priv return rc; } -static int iwl_update_sta_key_info(struct iwl_priv *priv, +static int iwl4965_update_sta_key_info(struct iwl4965_priv *priv, struct ieee80211_key_conf *keyconf, u8 sta_id) { @@ -1381,7 +1448,6 @@ static int iwl_update_sta_key_info(struc break; case ALG_TKIP: case ALG_WEP: - return -EINVAL; default: return -EINVAL; } @@ -1400,28 +1466,28 @@ static int iwl_update_sta_key_info(struc spin_unlock_irqrestore(&priv->sta_lock, flags); IWL_DEBUG_INFO("hwcrypto: modify ucode station key info\n"); - iwl_send_add_station(priv, &priv->stations[sta_id].sta, 0); + iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, 0); return 0; } -static int iwl_clear_sta_key_info(struct iwl_priv *priv, u8 sta_id) +static int iwl4965_clear_sta_key_info(struct iwl4965_priv *priv, u8 sta_id) { unsigned long flags; spin_lock_irqsave(&priv->sta_lock, flags); - memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl_hw_key)); - memset(&priv->stations[sta_id].sta.key, 0, sizeof(struct iwl_keyinfo)); + memset(&priv->stations[sta_id].keyinfo, 0, sizeof(struct iwl4965_hw_key)); + memset(&priv->stations[sta_id].sta.key, 0, sizeof(struct iwl4965_keyinfo)); priv->stations[sta_id].sta.key.key_flags = STA_KEY_FLG_NO_ENC; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; spin_unlock_irqrestore(&priv->sta_lock, flags); IWL_DEBUG_INFO("hwcrypto: clear ucode station key info\n"); - iwl_send_add_station(priv, &priv->stations[sta_id].sta, 0); + iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, 0); return 0; } -static void iwl_clear_free_frames(struct iwl_priv *priv) +static void iwl4965_clear_free_frames(struct iwl4965_priv *priv) { struct list_head *element; @@ -1431,7 +1497,7 @@ static void iwl_clear_free_frames(struct while (!list_empty(&priv->free_frames)) { element = priv->free_frames.next; list_del(element); - kfree(list_entry(element, struct iwl_frame, list)); + kfree(list_entry(element, struct iwl4965_frame, list)); priv->frames_count--; } @@ -1442,9 +1508,9 @@ static void iwl_clear_free_frames(struct } } -static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv) +static struct iwl4965_frame *iwl4965_get_free_frame(struct iwl4965_priv *priv) { - struct iwl_frame *frame; + struct iwl4965_frame *frame; struct list_head *element; if (list_empty(&priv->free_frames)) { frame = kzalloc(sizeof(*frame), GFP_KERNEL); @@ -1459,21 +1525,21 @@ static struct iwl_frame *iwl_get_free_fr element = priv->free_frames.next; list_del(element); - return list_entry(element, struct iwl_frame, list); + return list_entry(element, struct iwl4965_frame, list); } -static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame) +static void iwl4965_free_frame(struct iwl4965_priv *priv, struct iwl4965_frame *frame) { memset(frame, 0, sizeof(*frame)); list_add(&frame->list, &priv->free_frames); } -unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv, +unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv *priv, struct ieee80211_hdr *hdr, const u8 *dest, int left) { - if (!iwl_is_associated(priv) || !priv->ibss_beacon || + if (!iwl4965_is_associated(priv) || !priv->ibss_beacon || ((priv->iw_mode != IEEE80211_IF_TYPE_IBSS) && (priv->iw_mode != IEEE80211_IF_TYPE_AP))) return 0; @@ -1486,10 +1552,11 @@ unsigned int iwl_fill_beacon_frame(struc return priv->ibss_beacon->len; } -int iwl_rate_index_from_plcp(int plcp) +int iwl4965_rate_index_from_plcp(int plcp) { int i = 0; + /* 4965 HT rate format */ if (plcp & RATE_MCS_HT_MSK) { i = (plcp & 0xff); @@ -1503,35 +1570,37 @@ int iwl_rate_index_from_plcp(int plcp) if ((i >= IWL_FIRST_OFDM_RATE) && (i <= IWL_LAST_OFDM_RATE)) return i; + + /* 4965 legacy rate format, search for match in table */ } else { - for (i = 0; i < ARRAY_SIZE(iwl_rates); i++) - if (iwl_rates[i].plcp == (plcp &0xFF)) + for (i = 0; i < ARRAY_SIZE(iwl4965_rates); i++) + if (iwl4965_rates[i].plcp == (plcp &0xFF)) return i; } return -1; } -static u8 iwl_rate_get_lowest_plcp(int rate_mask) +static u8 iwl4965_rate_get_lowest_plcp(int rate_mask) { u8 i; for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID; - i = iwl_rates[i].next_ieee) { + i = iwl4965_rates[i].next_ieee) { if (rate_mask & (1 << i)) - return iwl_rates[i].plcp; + return iwl4965_rates[i].plcp; } return IWL_RATE_INVALID; } -static int iwl_send_beacon_cmd(struct iwl_priv *priv) +static int iwl4965_send_beacon_cmd(struct iwl4965_priv *priv) { - struct iwl_frame *frame; + struct iwl4965_frame *frame; unsigned int frame_size; int rc; u8 rate; - frame = iwl_get_free_frame(priv); + frame = iwl4965_get_free_frame(priv); if (!frame) { IWL_ERROR("Could not obtain free frame buffer for beacon " @@ -1540,22 +1609,22 @@ static int iwl_send_beacon_cmd(struct iw } if (!(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)) { - rate = iwl_rate_get_lowest_plcp(priv->active_rate_basic & + rate = iwl4965_rate_get_lowest_plcp(priv->active_rate_basic & 0xFF0); if (rate == IWL_INVALID_RATE) rate = IWL_RATE_6M_PLCP; } else { - rate = iwl_rate_get_lowest_plcp(priv->active_rate_basic & 0xF); + rate = iwl4965_rate_get_lowest_plcp(priv->active_rate_basic & 0xF); if (rate == IWL_INVALID_RATE) rate = IWL_RATE_1M_PLCP; } - frame_size = iwl_hw_get_beacon_cmd(priv, frame, rate); + frame_size = iwl4965_hw_get_beacon_cmd(priv, frame, rate); - rc = iwl_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size, + rc = iwl4965_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size, &frame->u.cmd[0]); - iwl_free_frame(priv, frame); + iwl4965_free_frame(priv, frame); return rc; } @@ -1566,22 +1635,22 @@ static int iwl_send_beacon_cmd(struct iw * ******************************************************************************/ -static void get_eeprom_mac(struct iwl_priv *priv, u8 *mac) +static void get_eeprom_mac(struct iwl4965_priv *priv, u8 *mac) { memcpy(mac, priv->eeprom.mac_address, 6); } /** - * iwl_eeprom_init - read EEPROM contents + * iwl4965_eeprom_init - read EEPROM contents * - * Load the EEPROM from adapter into priv->eeprom + * Load the EEPROM contents from adapter into priv->eeprom * * NOTE: This routine uses the non-debug IO access functions. */ -int iwl_eeprom_init(struct iwl_priv *priv) +int iwl4965_eeprom_init(struct iwl4965_priv *priv) { u16 *e = (u16 *)&priv->eeprom; - u32 gp = iwl_read32(priv, CSR_EEPROM_GP); + u32 gp = iwl4965_read32(priv, CSR_EEPROM_GP); u32 r; int sz = sizeof(priv->eeprom); int rc; @@ -1599,20 +1668,21 @@ int iwl_eeprom_init(struct iwl_priv *pri return -ENOENT; } - rc = iwl_eeprom_aqcuire_semaphore(priv); + /* Make sure driver (instead of uCode) is allowed to read EEPROM */ + rc = iwl4965_eeprom_acquire_semaphore(priv); if (rc < 0) { - IWL_ERROR("Failed to aqcuire EEPROM semaphore.\n"); + IWL_ERROR("Failed to acquire EEPROM semaphore.\n"); return -ENOENT; } /* eeprom is an array of 16bit values */ for (addr = 0; addr < sz; addr += sizeof(u16)) { - _iwl_write32(priv, CSR_EEPROM_REG, addr << 1); - _iwl_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); + _iwl4965_write32(priv, CSR_EEPROM_REG, addr << 1); + _iwl4965_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); for (i = 0; i < IWL_EEPROM_ACCESS_TIMEOUT; i += IWL_EEPROM_ACCESS_DELAY) { - r = _iwl_read_restricted(priv, CSR_EEPROM_REG); + r = _iwl4965_read_direct32(priv, CSR_EEPROM_REG); if (r & CSR_EEPROM_REG_READ_VALID_MSK) break; udelay(IWL_EEPROM_ACCESS_DELAY); @@ -1628,7 +1698,7 @@ int iwl_eeprom_init(struct iwl_priv *pri rc = 0; done: - iwl_eeprom_release_semaphore(priv); + iwl4965_eeprom_release_semaphore(priv); return rc; } @@ -1637,22 +1707,20 @@ done: * Misc. internal state and helper functions * ******************************************************************************/ -#ifdef CONFIG_IWLWIFI_DEBUG +#ifdef CONFIG_IWL4965_DEBUG /** - * iwl_report_frame - dump frame to syslog during debug sessions + * iwl4965_report_frame - dump frame to syslog during debug sessions * - * hack this function to show different aspects of received frames, + * You may hack this function to show different aspects of received frames, * including selective frame dumps. * group100 parameter selects whether to show 1 out of 100 good frames. * - * TODO: ieee80211_hdr stuff is common to 3945 and 4965, so frame type - * info output is okay, but some of this stuff (e.g. iwl_rx_frame_stats) - * is 3945-specific and gives bad output for 4965. Need to split the - * functionality, keep common stuff here. + * TODO: This was originally written for 3945, need to audit for + * proper operation with 4965. */ -void iwl_report_frame(struct iwl_priv *priv, - struct iwl_rx_packet *pkt, +void iwl4965_report_frame(struct iwl4965_priv *priv, + struct iwl4965_rx_packet *pkt, struct ieee80211_hdr *header, int group100) { u32 to_us; @@ -1674,9 +1742,9 @@ void iwl_report_frame(struct iwl_priv *p u8 agc; u16 sig_avg; u16 noise_diff; - struct iwl_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); - struct iwl_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); - struct iwl_rx_frame_end *rx_end = IWL_RX_END(pkt); + struct iwl4965_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); + struct iwl4965_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); + struct iwl4965_rx_frame_end *rx_end = IWL_RX_END(pkt); u8 *data = IWL_RX_DATA(pkt); /* MAC header */ @@ -1752,11 +1820,11 @@ void iwl_report_frame(struct iwl_priv *p else title = "Frame"; - rate = iwl_rate_index_from_plcp(rate_sym); + rate = iwl4965_rate_index_from_plcp(rate_sym); if (rate == -1) rate = 0; else - rate = iwl_rates[rate].ieee / 2; + rate = iwl4965_rates[rate].ieee / 2; /* print frame summary. * MAC addresses show just the last byte (for brevity), @@ -1778,40 +1846,41 @@ void iwl_report_frame(struct iwl_priv *p } } if (print_dump) - printk_buf(IWL_DL_RX, data, length); + iwl4965_print_hex_dump(IWL_DL_RX, data, length); } #endif -static void iwl_unset_hw_setting(struct iwl_priv *priv) +static void iwl4965_unset_hw_setting(struct iwl4965_priv *priv) { if (priv->hw_setting.shared_virt) pci_free_consistent(priv->pci_dev, - sizeof(struct iwl_shared), + sizeof(struct iwl4965_shared), priv->hw_setting.shared_virt, priv->hw_setting.shared_phys); } /** - * iwl_supported_rate_to_ie - fill in the supported rate in IE field + * iwl4965_supported_rate_to_ie - fill in the supported rate in IE field * * return : set the bit for each supported rate insert in ie */ -static u16 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate, - u16 basic_rate, int max_count) +static u16 iwl4965_supported_rate_to_ie(u8 *ie, u16 supported_rate, + u16 basic_rate, int *left) { u16 ret_rates = 0, bit; int i; - u8 *rates; - - rates = &(ie[1]); + u8 *cnt = ie; + u8 *rates = ie + 1; for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) { if (bit & supported_rate) { ret_rates |= bit; - rates[*ie] = iwl_rates[i].ieee | - ((bit & basic_rate) ? 0x80 : 0x00); - *ie = *ie + 1; - if (*ie >= max_count) + rates[*cnt] = iwl4965_rates[i].ieee | + ((bit & basic_rate) ? 0x80 : 0x00); + (*cnt)++; + (*left)--; + if ((*left <= 0) || + (*cnt >= IWL_SUPPORTED_RATES_IE_LEN)) break; } } @@ -1819,22 +1888,25 @@ static u16 iwl_supported_rate_to_ie(u8 * return ret_rates; } -#ifdef CONFIG_IWLWIFI_HT -void static iwl_set_ht_capab(struct ieee80211_hw *hw, - struct ieee80211_ht_capability *ht_cap, - u8 use_wide_chan); +#ifdef CONFIG_IWL4965_HT +void static iwl4965_set_ht_capab(struct ieee80211_hw *hw, + struct ieee80211_ht_cap *ht_cap, + u8 use_current_config); #endif /** - * iwl_fill_probe_req - fill in all required fields and IE for probe request + * iwl4965_fill_probe_req - fill in all required fields and IE for probe request */ -static u16 iwl_fill_probe_req(struct iwl_priv *priv, +static u16 iwl4965_fill_probe_req(struct iwl4965_priv *priv, struct ieee80211_mgmt *frame, int left, int is_direct) { int len = 0; u8 *pos = NULL; - u16 ret_rates; + u16 active_rates, ret_rates, cck_rates, active_rate_basic; +#ifdef CONFIG_IWL4965_HT + struct ieee80211_hw_mode *mode; +#endif /* CONFIG_IWL4965_HT */ /* Make sure there is enough space for the probe request, * two mandatory IEs and the data */ @@ -1844,9 +1916,9 @@ static u16 iwl_fill_probe_req(struct iwl len += 24; frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); - memcpy(frame->da, BROADCAST_ADDR, ETH_ALEN); + memcpy(frame->da, iwl4965_broadcast_addr, ETH_ALEN); memcpy(frame->sa, priv->mac_addr, ETH_ALEN); - memcpy(frame->bssid, BROADCAST_ADDR, ETH_ALEN); + memcpy(frame->bssid, iwl4965_broadcast_addr, ETH_ALEN); frame->seq_ctrl = 0; /* fill in our indirect SSID IE */ @@ -1879,19 +1951,29 @@ static u16 iwl_fill_probe_req(struct iwl left -= 2; if (left < 0) return 0; + /* ... fill it in... */ *pos++ = WLAN_EID_SUPP_RATES; *pos = 0; - ret_rates = priv->active_rate = priv->rates_mask; - priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; - iwl_supported_rate_to_ie(pos, priv->active_rate, - priv->active_rate_basic, left); + /* exclude 60M rate */ + active_rates = priv->rates_mask; + active_rates &= ~IWL_RATE_60M_MASK; + + active_rate_basic = active_rates & IWL_BASIC_RATES_MASK; + + cck_rates = IWL_CCK_RATES_MASK & active_rates; + ret_rates = iwl4965_supported_rate_to_ie(pos, cck_rates, + active_rate_basic, &left); + active_rates &= ~ret_rates; + + ret_rates = iwl4965_supported_rate_to_ie(pos, active_rates, + active_rate_basic, &left); + active_rates &= ~ret_rates; + len += 2 + *pos; pos += (*pos) + 1; - ret_rates = ~ret_rates & priv->active_rate; - - if (ret_rates == 0) + if (active_rates == 0) goto fill_end; /* fill in supported extended rate */ @@ -1902,24 +1984,22 @@ static u16 iwl_fill_probe_req(struct iwl /* ... fill it in... */ *pos++ = WLAN_EID_EXT_SUPP_RATES; *pos = 0; - iwl_supported_rate_to_ie(pos, ret_rates, priv->active_rate_basic, left); + iwl4965_supported_rate_to_ie(pos, active_rates, + active_rate_basic, &left); if (*pos > 0) len += 2 + *pos; -#ifdef CONFIG_IWLWIFI_HT - if (is_direct && priv->is_ht_enabled) { - u8 use_wide_chan = 1; - - if (priv->channel_width != IWL_CHANNEL_WIDTH_40MHZ) - use_wide_chan = 0; +#ifdef CONFIG_IWL4965_HT + mode = priv->hw->conf.mode; + if (mode->ht_info.ht_supported) { pos += (*pos) + 1; *pos++ = WLAN_EID_HT_CAPABILITY; - *pos++ = sizeof(struct ieee80211_ht_capability); - iwl_set_ht_capab(NULL, (struct ieee80211_ht_capability *)pos, - use_wide_chan); - len += 2 + sizeof(struct ieee80211_ht_capability); + *pos++ = sizeof(struct ieee80211_ht_cap); + iwl4965_set_ht_capab(priv->hw, + (struct ieee80211_ht_cap *)pos, 0); + len += 2 + sizeof(struct ieee80211_ht_cap); } -#endif /*CONFIG_IWLWIFI_HT */ +#endif /*CONFIG_IWL4965_HT */ fill_end: return (u16)len; @@ -1928,16 +2008,16 @@ static u16 iwl_fill_probe_req(struct iwl /* * QoS support */ -#ifdef CONFIG_IWLWIFI_QOS -static int iwl_send_qos_params_command(struct iwl_priv *priv, - struct iwl_qosparam_cmd *qos) +#ifdef CONFIG_IWL4965_QOS +static int iwl4965_send_qos_params_command(struct iwl4965_priv *priv, + struct iwl4965_qosparam_cmd *qos) { - return iwl_send_cmd_pdu(priv, REPLY_QOS_PARAM, - sizeof(struct iwl_qosparam_cmd), qos); + return iwl4965_send_cmd_pdu(priv, REPLY_QOS_PARAM, + sizeof(struct iwl4965_qosparam_cmd), qos); } -static void iwl_reset_qos(struct iwl_priv *priv) +static void iwl4965_reset_qos(struct iwl4965_priv *priv) { u16 cw_min = 15; u16 cw_max = 1023; @@ -2024,13 +2104,10 @@ static void iwl_reset_qos(struct iwl_pri spin_unlock_irqrestore(&priv->lock, flags); } -static void iwl_activate_qos(struct iwl_priv *priv, u8 force) +static void iwl4965_activate_qos(struct iwl4965_priv *priv, u8 force) { unsigned long flags; - if (priv == NULL) - return; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; @@ -2044,23 +2121,28 @@ static void iwl_activate_qos(struct iwl_ !priv->qos_data.qos_cap.q_AP.txop_request) priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TXOP_TYPE_MSK; - if (priv->qos_data.qos_active) priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_UPDATE_EDCA_MSK; +#ifdef CONFIG_IWL4965_HT + if (priv->current_ht_config.is_ht) + priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK; +#endif /* CONFIG_IWL4965_HT */ + spin_unlock_irqrestore(&priv->lock, flags); - if (force || iwl_is_associated(priv)) { - IWL_DEBUG_QOS("send QoS cmd with Qos active %d \n", - priv->qos_data.qos_active); + if (force || iwl4965_is_associated(priv)) { + IWL_DEBUG_QOS("send QoS cmd with Qos active=%d FLAGS=0x%X\n", + priv->qos_data.qos_active, + priv->qos_data.def_qos_parm.qos_flags); - iwl_send_qos_params_command(priv, + iwl4965_send_qos_params_command(priv, &(priv->qos_data.def_qos_parm)); } } -#endif /* CONFIG_IWLWIFI_QOS */ +#endif /* CONFIG_IWL4965_QOS */ /* * Power management (not Tx power!) functions */ @@ -2078,7 +2160,7 @@ static void iwl_activate_qos(struct iwl_ /* default power management (not Tx power) table values */ /* for tim 0-10 */ -static struct iwl_power_vec_entry range_0[IWL_POWER_AC] = { +static struct iwl4965_power_vec_entry range_0[IWL_POWER_AC] = { {{NOSLP, SLP_TIMEOUT(0), SLP_TIMEOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0}, {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(300), SLP_VEC(2, 4, 6, 7, 7)}, 0}, @@ -2088,7 +2170,7 @@ static struct iwl_power_vec_entry range_ }; /* for tim > 10 */ -static struct iwl_power_vec_entry range_1[IWL_POWER_AC] = { +static struct iwl4965_power_vec_entry range_1[IWL_POWER_AC] = { {{NOSLP, SLP_TIMEOUT(0), SLP_TIMEOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(500), SLP_VEC(1, 2, 3, 4, 0xFF)}, 0}, @@ -2101,11 +2183,11 @@ static struct iwl_power_vec_entry range_ SLP_VEC(4, 7, 10, 10, 0xFF)}, 0} }; -int iwl_power_init_handle(struct iwl_priv *priv) +int iwl4965_power_init_handle(struct iwl4965_priv *priv) { int rc = 0, i; - struct iwl_power_mgr *pow_data; - int size = sizeof(struct iwl_power_vec_entry) * IWL_POWER_AC; + struct iwl4965_power_mgr *pow_data; + int size = sizeof(struct iwl4965_power_vec_entry) * IWL_POWER_AC; u16 pci_pm; IWL_DEBUG_POWER("Initialize power \n"); @@ -2124,7 +2206,7 @@ int iwl_power_init_handle(struct iwl_pri if (rc != 0) return 0; else { - struct iwl_powertable_cmd *cmd; + struct iwl4965_powertable_cmd *cmd; IWL_DEBUG_POWER("adjust power command flags\n"); @@ -2140,15 +2222,15 @@ int iwl_power_init_handle(struct iwl_pri return rc; } -static int iwl_update_power_cmd(struct iwl_priv *priv, - struct iwl_powertable_cmd *cmd, u32 mode) +static int iwl4965_update_power_cmd(struct iwl4965_priv *priv, + struct iwl4965_powertable_cmd *cmd, u32 mode) { int rc = 0, i; u8 skip; u32 max_sleep = 0; - struct iwl_power_vec_entry *range; + struct iwl4965_power_vec_entry *range; u8 period = 0; - struct iwl_power_mgr *pow_data; + struct iwl4965_power_mgr *pow_data; if (mode > IWL_POWER_INDEX_5) { IWL_DEBUG_POWER("Error invalid power mode \n"); @@ -2161,7 +2243,7 @@ static int iwl_update_power_cmd(struct i else range = &pow_data->pwr_range_1[1]; - memcpy(cmd, &range[mode].cmd, sizeof(struct iwl_powertable_cmd)); + memcpy(cmd, &range[mode].cmd, sizeof(struct iwl4965_powertable_cmd)); #ifdef IWL_MAC80211_DISABLE if (priv->assoc_network != NULL) { @@ -2204,14 +2286,14 @@ static int iwl_update_power_cmd(struct i return rc; } -static int iwl_send_power_mode(struct iwl_priv *priv, u32 mode) +static int iwl4965_send_power_mode(struct iwl4965_priv *priv, u32 mode) { - u32 final_mode = mode; + u32 uninitialized_var(final_mode); int rc; - struct iwl_powertable_cmd cmd; + struct iwl4965_powertable_cmd cmd; /* If on battery, set to 3, - * if plugged into AC power, set to CAM ("continuosly aware mode"), + * if plugged into AC power, set to CAM ("continuously aware mode"), * else user level */ switch (mode) { case IWL_POWER_BATTERY: @@ -2227,9 +2309,9 @@ static int iwl_send_power_mode(struct iw cmd.keep_alive_beacons = 0; - iwl_update_power_cmd(priv, &cmd, final_mode); + iwl4965_update_power_cmd(priv, &cmd, final_mode); - rc = iwl_send_cmd_pdu(priv, POWER_TABLE_CMD, sizeof(cmd), &cmd); + rc = iwl4965_send_cmd_pdu(priv, POWER_TABLE_CMD, sizeof(cmd), &cmd); if (final_mode == IWL_POWER_MODE_CAM) clear_bit(STATUS_POWER_PMI, &priv->status); @@ -2239,7 +2321,7 @@ static int iwl_send_power_mode(struct iw return rc; } -int iwl_is_network_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) +int iwl4965_is_network_packet(struct iwl4965_priv *priv, struct ieee80211_hdr *header) { /* Filter incoming packets to determine if they are targeted toward * this network, discarding packets coming from ourselves */ @@ -2269,7 +2351,7 @@ int iwl_is_network_packet(struct iwl_pri #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x -const char *iwl_get_tx_fail_reason(u32 status) +static const char *iwl4965_get_tx_fail_reason(u32 status) { switch (status & TX_STATUS_MSK) { case TX_STATUS_SUCCESS: @@ -2296,11 +2378,11 @@ const char *iwl_get_tx_fail_reason(u32 s } /** - * iwl_scan_cancel - Cancel any currently executing HW scan + * iwl4965_scan_cancel - Cancel any currently executing HW scan * * NOTE: priv->mutex is not required before calling this function */ -static int iwl_scan_cancel(struct iwl_priv *priv) +static int iwl4965_scan_cancel(struct iwl4965_priv *priv) { if (!test_bit(STATUS_SCAN_HW, &priv->status)) { clear_bit(STATUS_SCANNING, &priv->status); @@ -2323,17 +2405,17 @@ static int iwl_scan_cancel(struct iwl_pr } /** - * iwl_scan_cancel_timeout - Cancel any currently executing HW scan + * iwl4965_scan_cancel_timeout - Cancel any currently executing HW scan * @ms: amount of time to wait (in milliseconds) for scan to abort * * NOTE: priv->mutex must be held before calling this function */ -static int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) +static int iwl4965_scan_cancel_timeout(struct iwl4965_priv *priv, unsigned long ms) { unsigned long now = jiffies; int ret; - ret = iwl_scan_cancel(priv); + ret = iwl4965_scan_cancel(priv); if (ret && ms) { mutex_unlock(&priv->mutex); while (!time_after(jiffies, now + msecs_to_jiffies(ms)) && @@ -2347,7 +2429,7 @@ static int iwl_scan_cancel_timeout(struc return ret; } -static void iwl_sequence_reset(struct iwl_priv *priv) +static void iwl4965_sequence_reset(struct iwl4965_priv *priv) { /* Reset ieee stats */ @@ -2358,13 +2440,13 @@ static void iwl_sequence_reset(struct iw priv->last_frag_num = -1; priv->last_packet_time = 0; - iwl_scan_cancel(priv); + iwl4965_scan_cancel(priv); } #define MAX_UCODE_BEACON_INTERVAL 4096 #define INTEL_CONN_LISTEN_INTERVAL __constant_cpu_to_le16(0xA) -static __le16 iwl_adjust_beacon_interval(u16 beacon_val) +static __le16 iwl4965_adjust_beacon_interval(u16 beacon_val) { u16 new_val = 0; u16 beacon_factor = 0; @@ -2377,7 +2459,7 @@ static __le16 iwl_adjust_beacon_interval return cpu_to_le16(new_val); } -static void iwl_setup_rxon_timing(struct iwl_priv *priv) +static void iwl4965_setup_rxon_timing(struct iwl4965_priv *priv) { u64 interval_tm_unit; u64 tsf, result; @@ -2407,14 +2489,14 @@ static void iwl_setup_rxon_timing(struct priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int); priv->rxon_timing.beacon_interval = - iwl_adjust_beacon_interval( + iwl4965_adjust_beacon_interval( le16_to_cpu(priv->rxon_timing.beacon_interval)); } priv->rxon_timing.atim_window = 0; } else { priv->rxon_timing.beacon_interval = - iwl_adjust_beacon_interval(conf->beacon_int); + iwl4965_adjust_beacon_interval(conf->beacon_int); /* TODO: we need to get atim_window from upper stack * for now we set to 0 */ priv->rxon_timing.atim_window = 0; @@ -2433,14 +2515,14 @@ static void iwl_setup_rxon_timing(struct le16_to_cpu(priv->rxon_timing.atim_window)); } -static int iwl_scan_initiate(struct iwl_priv *priv) +static int iwl4965_scan_initiate(struct iwl4965_priv *priv) { if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { IWL_ERROR("APs don't scan.\n"); return 0; } - if (!iwl_is_ready_rf(priv)) { + if (!iwl4965_is_ready_rf(priv)) { IWL_DEBUG_SCAN("Aborting scan due to not ready.\n"); return -EIO; } @@ -2467,9 +2549,9 @@ static int iwl_scan_initiate(struct iwl_ return 0; } -static int iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt) +static int iwl4965_set_rxon_hwcrypto(struct iwl4965_priv *priv, int hw_decrypt) { - struct iwl_rxon_cmd *rxon = &priv->staging_rxon; + struct iwl4965_rxon_cmd *rxon = &priv->staging_rxon; if (hw_decrypt) rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK; @@ -2479,7 +2561,7 @@ static int iwl_set_rxon_hwcrypto(struct return 0; } -static void iwl_set_flags_for_phymode(struct iwl_priv *priv, u8 phymode) +static void iwl4965_set_flags_for_phymode(struct iwl4965_priv *priv, u8 phymode) { if (phymode == MODE_IEEE80211A) { priv->staging_rxon.flags &= @@ -2487,7 +2569,7 @@ static void iwl_set_flags_for_phymode(st | RXON_FLG_CCK_MSK); priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; } else { - /* Copied from iwl_bg_post_associate() */ + /* Copied from iwl4965_bg_post_associate() */ if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK; else @@ -2503,11 +2585,11 @@ static void iwl_set_flags_for_phymode(st } /* - * initilize rxon structure with default values fromm eeprom + * initialize rxon structure with default values from eeprom */ -static void iwl_connection_init_rx_config(struct iwl_priv *priv) +static void iwl4965_connection_init_rx_config(struct iwl4965_priv *priv) { - const struct iwl_channel_info *ch_info; + const struct iwl4965_channel_info *ch_info; memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon)); @@ -2544,7 +2626,7 @@ static void iwl_connection_init_rx_confi priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; #endif - ch_info = iwl_get_channel_info(priv, priv->phymode, + ch_info = iwl4965_get_channel_info(priv, priv->phymode, le16_to_cpu(priv->staging_rxon.channel)); if (!ch_info) @@ -2564,7 +2646,7 @@ static void iwl_connection_init_rx_confi else priv->phymode = MODE_IEEE80211G; - iwl_set