diff -up /dev/null linux-2.6.18.x86_64/net/wireless/genregdb.awk --- /dev/null 2009-12-12 23:08:46.494541705 -0500 +++ linux-2.6.18.x86_64/net/wireless/genregdb.awk 2009-12-12 20:15:00.000000000 -0500 @@ -0,0 +1,105 @@ +#!/usr/bin/awk -f +BEGIN { + active = 0 + rule = 0; + print "/*" + print " * DO NOT EDIT -- file generated from data in db.txt" + print " */" + print "" + print "#include " + print "#include " + print "" + regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n" +} + +/^[ \t]*#/ { + /* Ignore */ +} + +!active && /^[ \t]*$/ { + /* Ignore */ +} + +!active && /country/ { + country=$2 + sub(/:/, "", country) + printf "static const struct ieee80211_regdomain regdom_%s = {\n", country + printf "\t.alpha2 = \"%s\",\n", country + printf "\t.reg_rules = {\n" + active = 1 + regdb = regdb "\t®dom_" country ",\n" +} + +active && /^[ \t]*\(/ { + start = $1 + sub(/\(/, "", start) + end = $3 + bw = $5 + sub(/\),/, "", bw) + gain = $6 + sub(/\(/, "", gain) + sub(/,/, "", gain) + power = $7 + sub(/\)/, "", power) + sub(/,/, "", power) + # power might be in mW... + units = $8 + sub(/\)/, "", units) + sub(/,/, "", units) + if (units == "mW") { + if (power == 100) { + power = 20 + } else if (power == 200) { + power = 23 + } else if (power == 500) { + power = 27 + } else if (power == 1000) { + power = 30 + } else { + print "Unknown power value in database!" + } + } + flagstr = "" + for (i=8; i<=NF; i++) + flagstr = flagstr $i + split(flagstr, flagarray, ",") + flags = "" + for (arg in flagarray) { + if (flagarray[arg] == "NO-OFDM") { + flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | " + } else if (flagarray[arg] == "NO-CCK") { + flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | " + } else if (flagarray[arg] == "NO-INDOOR") { + flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | " + } else if (flagarray[arg] == "NO-OUTDOOR") { + flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | " + } else if (flagarray[arg] == "DFS") { + flags = flags "\n\t\t\tNL80211_RRF_DFS | " + } else if (flagarray[arg] == "PTP-ONLY") { + flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | " + } else if (flagarray[arg] == "PTMP-ONLY") { + flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | " + } else if (flagarray[arg] == "PASSIVE-SCAN") { + flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | " + } else if (flagarray[arg] == "NO-IBSS") { + flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | " + } + } + flags = flags "0" + printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags + rules++ +} + +active && /^[ \t]*$/ { + active = 0 + printf "\t},\n" + printf "\t.n_reg_rules = %d\n", rules + printf "};\n\n" + rules = 0; +} + +END { + print regdb "};" + print "" + print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);" +} diff -up linux-2.6.18.x86_64/net/wireless/Kconfig.orig linux-2.6.18.x86_64/net/wireless/Kconfig --- linux-2.6.18.x86_64/net/wireless/Kconfig.orig 2009-12-12 23:11:10.000000000 -0500 +++ linux-2.6.18.x86_64/net/wireless/Kconfig 2009-12-12 23:11:14.000000000 -0500 @@ -33,6 +33,22 @@ config WIRELESS_OLD_REGULATORY Say N and if you say Y, please tell us why. The default is N. +config CFG80211_INTERNAL_REGDB + bool "Statically compiled regulatory rules database" + default n + depends on CFG80211 + ---help--- + This option generates an internal data structure representing + the wireless regulatory rules described in net/wireless/db.txt + and includes code to query that database. This is an alternative + to using CRDA for defining regulatory rules for the kernel. + + For details see: + + http://wireless.kernel.org/en/developers/Regulatory + + Most distributions have a CRDA package. So if unsure, say N. + config WIRELESS_EXT bool "Wireless extensions" default n diff -up linux-2.6.18.x86_64/net/wireless/Makefile.orig linux-2.6.18.x86_64/net/wireless/Makefile --- linux-2.6.18.x86_64/net/wireless/Makefile.orig 2009-12-12 23:11:29.000000000 -0500 +++ linux-2.6.18.x86_64/net/wireless/Makefile 2009-12-12 23:11:32.000000000 -0500 @@ -4,8 +4,14 @@ cfg80211-y += core.o sysfs.o radiotap.o cfg80211-y += mlme.o ibss.o sme.o chan.o cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o wext-sme.o +cfg80211-$(CONFIG_CFG80211_INTERNAL_REGDB) += regdb.o ccflags-y += -D__CHECK_ENDIAN__ wireless_compat-y += compat.o obj-$(CONFIG_WIRELESS_COMPAT) += wireless_compat.o + +$(obj)/regdb.c: $(src)/db.txt $(src)/genregdb.awk + @$(AWK) -f $(src)/genregdb.awk < $< > $@ + +clean-files := regdb.c diff -up linux-2.6.18.x86_64/net/wireless/reg.c.orig linux-2.6.18.x86_64/net/wireless/reg.c --- linux-2.6.18.x86_64/net/wireless/reg.c.orig 2009-12-12 17:26:05.000000000 -0500 +++ linux-2.6.18.x86_64/net/wireless/reg.c 2009-12-12 20:13:01.000000000 -0500 @@ -40,6 +40,7 @@ #include #include "core.h" #include "reg.h" +#include "regdb.h" #include "nl80211.h" /* Receipt of information from last regulatory request */ @@ -335,6 +336,98 @@ static bool country_ie_integrity_changes return false; } +static int reg_copy_regd(const struct ieee80211_regdomain **dst_regd, + const struct ieee80211_regdomain *src_regd) +{ + struct ieee80211_regdomain *regd; + int size_of_regd = 0; + unsigned int i; + + size_of_regd = sizeof(struct ieee80211_regdomain) + + ((src_regd->n_reg_rules + 1) * sizeof(struct ieee80211_reg_rule)); + + regd = kzalloc(size_of_regd, GFP_KERNEL); + if (!regd) + return -ENOMEM; + + memcpy(regd, src_regd, sizeof(struct ieee80211_regdomain)); + + for (i = 0; i < src_regd->n_reg_rules; i++) + memcpy(®d->reg_rules[i], &src_regd->reg_rules[i], + sizeof(struct ieee80211_reg_rule)); + + *dst_regd = regd; + return 0; +} + +#ifdef CONFIG_CFG80211_INTERNAL_REGDB +struct reg_regdb_search_request { + char alpha2[2]; + struct list_head list; +}; + +static LIST_HEAD(reg_regdb_search_list); +static DEFINE_SPINLOCK(reg_regdb_search_lock); + +static void reg_regdb_search(void *unused) +{ + struct reg_regdb_search_request *request; + const struct ieee80211_regdomain *curdom, *regdom; + int i, r; + + spin_lock(®_regdb_search_lock); + while (!list_empty(®_regdb_search_list)) { + request = list_first_entry(®_regdb_search_list, + struct reg_regdb_search_request, + list); + list_del(&request->list); + + for (i=0; ialpha2, curdom->alpha2, 2)) { + r = reg_copy_regd(®dom, curdom); + if (r) + break; + spin_unlock(®_regdb_search_lock); + mutex_lock(&cfg80211_mutex); + set_regdom(regdom); + mutex_unlock(&cfg80211_mutex); + spin_lock(®_regdb_search_lock); + break; + } + } + + kfree(request); + } + spin_unlock(®_regdb_search_lock); +} + +static DECLARE_WORK(reg_regdb_work, reg_regdb_search, NULL); + +static void reg_regdb_query(const char *alpha2) +{ + struct reg_regdb_search_request *request; + + if (!alpha2) + return; + + request = kzalloc(sizeof(struct reg_regdb_search_request), GFP_KERNEL); + if (!request) + return; + + memcpy(request->alpha2, alpha2, 2); + + spin_lock(®_regdb_search_lock); + list_add_tail(&request->list, ®_regdb_search_list); + spin_unlock(®_regdb_search_lock); + + schedule_work(®_regdb_work); +} +#else +static inline void reg_regdb_query(const char *alpha2) {} +#endif /* CONFIG_CFG80211_INTERNAL_REGDB */ + /* * This lets us keep regulatory code which is updated on a regulatory * basis in userspace. @@ -354,6 +447,8 @@ static int call_crda(const char *alpha2) printk(KERN_INFO "cfg80211: Calling CRDA to update world " "regulatory domain\n"); + reg_regdb_query(alpha2); + country_env[8] = alpha2[0]; country_env[9] = alpha2[1]; @@ -1344,30 +1439,6 @@ void wiphy_apply_custom_regulatory(struc } EXPORT_SYMBOL(wiphy_apply_custom_regulatory); -static int reg_copy_regd(const struct ieee80211_regdomain **dst_regd, - const struct ieee80211_regdomain *src_regd) -{ - struct ieee80211_regdomain *regd; - int size_of_regd = 0; - unsigned int i; - - size_of_regd = sizeof(struct ieee80211_regdomain) + - ((src_regd->n_reg_rules + 1) * sizeof(struct ieee80211_reg_rule)); - - regd = kzalloc(size_of_regd, GFP_KERNEL); - if (!regd) - return -ENOMEM; - - memcpy(regd, src_regd, sizeof(struct ieee80211_regdomain)); - - for (i = 0; i < src_regd->n_reg_rules; i++) - memcpy(®d->reg_rules[i], &src_regd->reg_rules[i], - sizeof(struct ieee80211_reg_rule)); - - *dst_regd = regd; - return 0; -} - /* * Return value which can be used by ignore_request() to indicate * it has been determined we should intersect two regulatory domains diff -up /dev/null linux-2.6.18.x86_64/net/wireless/regdb.h --- /dev/null 2009-12-12 23:08:46.494541705 -0500 +++ linux-2.6.18.x86_64/net/wireless/regdb.h 2009-12-12 17:27:55.000000000 -0500 @@ -0,0 +1,7 @@ +#ifndef __REGDB_H__ +#define __REGDB_H__ + +extern const struct ieee80211_regdomain *reg_regdb[]; +extern int reg_regdb_size; + +#endif /* __REGDB_H__ */