diff options
Diffstat (limited to 'package/mac80211/patches/310-pending_cfg80211_fixes.patch')
| -rw-r--r-- | package/mac80211/patches/310-pending_cfg80211_fixes.patch | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/package/mac80211/patches/310-pending_cfg80211_fixes.patch b/package/mac80211/patches/310-pending_cfg80211_fixes.patch deleted file mode 100644 index f8334b447e..0000000000 --- a/package/mac80211/patches/310-pending_cfg80211_fixes.patch +++ /dev/null @@ -1,178 +0,0 @@ ---- a/include/net/regulatory.h -+++ b/include/net/regulatory.h -@@ -43,6 +43,12 @@ enum environment_cap { - * @intersect: indicates whether the wireless core should intersect - * the requested regulatory domain with the presently set regulatory - * domain. -+ * @processed: indicates whether or not this requests has already been -+ * processed. When the last request is processed it means that the -+ * currently regulatory domain set on cfg80211 is updated from -+ * CRDA and can be used by other regulatory requests. When a -+ * the last request is not yet processed we must yield until it -+ * is processed before processing any new requests. - * @country_ie_checksum: checksum of the last processed and accepted - * country IE - * @country_ie_env: lets us know if the AP is telling us we are outdoor, -@@ -54,6 +60,7 @@ struct regulatory_request { - enum nl80211_reg_initiator initiator; - char alpha2[2]; - bool intersect; -+ bool processed; - enum environment_cap country_ie_env; - struct list_head list; - }; ---- a/net/wireless/reg.c -+++ b/net/wireless/reg.c -@@ -96,6 +96,9 @@ struct reg_beacon { - struct ieee80211_channel chan; - }; - -+static void reg_todo(struct work_struct *work); -+static DECLARE_WORK(reg_work, reg_todo); -+ - /* We keep a static world regulatory domain in case of the absence of CRDA */ - static const struct ieee80211_regdomain world_regdom = { - .n_reg_rules = 5, -@@ -1317,6 +1320,21 @@ static int ignore_request(struct wiphy * - return -EINVAL; - } - -+static void reg_set_request_processed(void) -+{ -+ bool need_more_processing = false; -+ -+ last_request->processed = true; -+ -+ spin_lock(®_requests_lock); -+ if (!list_empty(®_requests_list)) -+ need_more_processing = true; -+ spin_unlock(®_requests_lock); -+ -+ if (need_more_processing) -+ schedule_work(®_work); -+} -+ - /** - * __regulatory_hint - hint to the wireless core a regulatory domain - * @wiphy: if the hint comes from country information from an AP, this -@@ -1392,8 +1410,10 @@ new_request: - * have applied the requested regulatory domain before we just - * inform userspace we have processed the request - */ -- if (r == -EALREADY) -+ if (r == -EALREADY) { - nl80211_send_reg_change_event(last_request); -+ reg_set_request_processed(); -+ } - return r; - } - -@@ -1409,16 +1429,13 @@ static void reg_process_hint(struct regu - - BUG_ON(!reg_request->alpha2); - -- mutex_lock(&cfg80211_mutex); -- mutex_lock(®_mutex); -- - if (wiphy_idx_valid(reg_request->wiphy_idx)) - wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx); - - if (reg_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && - !wiphy) { - kfree(reg_request); -- goto out; -+ return; - } - - r = __regulatory_hint(wiphy, reg_request); -@@ -1426,28 +1443,46 @@ static void reg_process_hint(struct regu - if (r == -EALREADY && wiphy && - wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) - wiphy_update_regulatory(wiphy, initiator); --out: -- mutex_unlock(®_mutex); -- mutex_unlock(&cfg80211_mutex); - } - --/* Processes regulatory hints, this is all the NL80211_REGDOM_SET_BY_* */ -+/* -+ * Processes regulatory hints, this is all the NL80211_REGDOM_SET_BY_* -+ * Regulatory hints come on a first come first serve basis and we -+ * must process each one atomically. -+ */ - static void reg_process_pending_hints(void) -- { -+{ - struct regulatory_request *reg_request; - -+ mutex_lock(&cfg80211_mutex); -+ mutex_lock(®_mutex); -+ -+ /* When last_request->processed becomes true this will be rescheduled */ -+ if (last_request && !last_request->processed) { -+ REG_DBG_PRINT("Pending regulatory request, waiting " -+ "for it to be processed..."); -+ goto out; -+ } -+ - spin_lock(®_requests_lock); -- while (!list_empty(®_requests_list)) { -- reg_request = list_first_entry(®_requests_list, -- struct regulatory_request, -- list); -- list_del_init(®_request->list); - -+ if (list_empty(®_requests_list)) { - spin_unlock(®_requests_lock); -- reg_process_hint(reg_request); -- spin_lock(®_requests_lock); -+ goto out; - } -+ -+ reg_request = list_first_entry(®_requests_list, -+ struct regulatory_request, -+ list); -+ list_del_init(®_request->list); -+ - spin_unlock(®_requests_lock); -+ -+ reg_process_hint(reg_request); -+ -+out: -+ mutex_unlock(®_mutex); -+ mutex_unlock(&cfg80211_mutex); - } - - /* Processes beacon hints -- this has nothing to do with country IEs */ -@@ -1494,8 +1529,6 @@ static void reg_todo(struct work_struct - reg_process_pending_beacon_hints(); - } - --static DECLARE_WORK(reg_work, reg_todo); -- - static void queue_regulatory_request(struct regulatory_request *request) - { - if (isalpha(request->alpha2[0])) -@@ -1530,12 +1563,7 @@ static int regulatory_hint_core(const ch - request->alpha2[1] = alpha2[1]; - request->initiator = NL80211_REGDOM_SET_BY_CORE; - -- /* -- * This ensures last_request is populated once modules -- * come swinging in and calling regulatory hints and -- * wiphy_apply_custom_regulatory(). -- */ -- reg_process_hint(request); -+ queue_regulatory_request(request); - - return 0; - } -@@ -2061,6 +2089,8 @@ int set_regdom(const struct ieee80211_re - - nl80211_send_reg_change_event(last_request); - -+ reg_set_request_processed(); -+ - mutex_unlock(®_mutex); - - return r; |