#include <net/cfg80211.h>
#include "core.h"
#include "reg.h"
+#include "regdb.h"
#include "nl80211.h"
/* Receipt of information from last regulatory request */
.reg_rules = {
/* IEEE 802.11b/g, channels 1..11 */
REG_RULE(2412-10, 2462+10, 40, 6, 27, 0),
- /* IEEE 802.11a, channel 36 */
- REG_RULE(5180-10, 5180+10, 40, 6, 23, 0),
- /* IEEE 802.11a, channel 40 */
- REG_RULE(5200-10, 5200+10, 40, 6, 23, 0),
- /* IEEE 802.11a, channel 44 */
- REG_RULE(5220-10, 5220+10, 40, 6, 23, 0),
+ /* IEEE 802.11a, channel 36..48 */
+ REG_RULE(5180-10, 5240+10, 40, 6, 17, 0),
/* IEEE 802.11a, channels 48..64 */
- REG_RULE(5240-10, 5320+10, 40, 6, 23, 0),
+ REG_RULE(5260-10, 5320+10, 40, 6, 20, NL80211_RRF_DFS),
+ /* IEEE 802.11a, channels 100..124 */
+ REG_RULE(5500-10, 5590+10, 40, 6, 20, NL80211_RRF_DFS),
+ /* IEEE 802.11a, channels 132..144 */
+ REG_RULE(5660-10, 5700+10, 40, 6, 20, NL80211_RRF_DFS),
/* IEEE 802.11a, channels 149..165, outdoor */
REG_RULE(5745-10, 5825+10, 40, 6, 30, 0),
}
};
static const struct ieee80211_regdomain jp_regdom = {
- .n_reg_rules = 3,
+ .n_reg_rules = 6,
.alpha2 = "JP",
.reg_rules = {
- /* IEEE 802.11b/g, channels 1..14 */
- REG_RULE(2412-10, 2484+10, 40, 6, 20, 0),
- /* IEEE 802.11a, channels 34..48 */
- REG_RULE(5170-10, 5240+10, 40, 6, 20,
- NL80211_RRF_PASSIVE_SCAN),
+ /* IEEE 802.11b/g, channels 1..11 */
+ REG_RULE(2412-10, 2462+10, 40, 6, 20, 0),
+ /* IEEE 802.11b/g, channels 12..13 */
+ REG_RULE(2467-10, 2472+10, 20, 6, 20, 0),
+ /* IEEE 802.11b/g, channel 14 */
+ REG_RULE(2484-10, 2484+10, 20, 6, 20, NL80211_RRF_NO_OFDM),
+ /* IEEE 802.11a, channels 36..48 */
+ REG_RULE(5180-10, 5240+10, 40, 6, 20, 0),
/* IEEE 802.11a, channels 52..64 */
- REG_RULE(5260-10, 5320+10, 40, 6, 20,
- NL80211_RRF_NO_IBSS |
- NL80211_RRF_DFS),
- }
-};
-
-static const struct ieee80211_regdomain eu_regdom = {
- .n_reg_rules = 6,
- /*
- * This alpha2 is bogus, we leave it here just for stupid
- * backward compatibility
- */
- .alpha2 = "EU",
- .reg_rules = {
- /* IEEE 802.11b/g, channels 1..13 */
- REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
- /* IEEE 802.11a, channel 36 */
- REG_RULE(5180-10, 5180+10, 40, 6, 23,
- NL80211_RRF_PASSIVE_SCAN),
- /* IEEE 802.11a, channel 40 */
- REG_RULE(5200-10, 5200+10, 40, 6, 23,
- NL80211_RRF_PASSIVE_SCAN),
- /* IEEE 802.11a, channel 44 */
- REG_RULE(5220-10, 5220+10, 40, 6, 23,
- NL80211_RRF_PASSIVE_SCAN),
- /* IEEE 802.11a, channels 48..64 */
- REG_RULE(5240-10, 5320+10, 40, 6, 20,
- NL80211_RRF_NO_IBSS |
- NL80211_RRF_DFS),
- /* IEEE 802.11a, channels 100..140 */
- REG_RULE(5500-10, 5700+10, 40, 6, 30,
- NL80211_RRF_NO_IBSS |
- NL80211_RRF_DFS),
+ REG_RULE(5260-10, 5320+10, 40, 6, 20, NL80211_RRF_DFS),
+ /* IEEE 802.11a, channels 100..144 */
+ REG_RULE(5500-10, 5700+10, 40, 6, 23, NL80211_RRF_DFS),
}
};
return &us_regdom;
if (alpha2[0] == 'J' && alpha2[1] == 'P')
return &jp_regdom;
+ /* Use world roaming rules for "EU", since it was a pseudo
+ domain anyway... */
if (alpha2[0] == 'E' && alpha2[1] == 'U')
- return &eu_regdom;
- /* Default, as per the old rules */
- return &us_regdom;
+ return &world_regdom;
+ /* Default, world roaming rules */
+ return &world_regdom;
}
static bool is_old_static_regdom(const struct ieee80211_regdomain *rd)
{
- if (rd == &us_regdom || rd == &jp_regdom || rd == &eu_regdom)
+ if (rd == &us_regdom || rd == &jp_regdom || rd == &world_regdom)
return true;
return false;
}
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(struct work_struct *work)
+{
+ 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; i<reg_regdb_size; i++) {
+ curdom = reg_regdb[i];
+
+ if (!memcmp(request->alpha2, 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);
+
+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.
printk(KERN_INFO "cfg80211: Calling CRDA to update world "
"regulatory domain\n");
+ /* query internal regulatory database (if it exists) */
+ reg_regdb_query(alpha2);
+
country_env[8] = alpha2[0];
country_env[9] = alpha2[1];
}
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