diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 2b7ab01b26160c4b7c693f3887c7d35f3be7495e..1bd590c2ed7fd083ce37199704d411b61557c422 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1337,6 +1337,7 @@ get_reg_request_treatment(struct wiphy *wiphy, switch (pending_request->initiator) { case NL80211_REGDOM_SET_BY_CORE: + case NL80211_REGDOM_SET_BY_USER: return REG_REQ_IGNORE; case NL80211_REGDOM_SET_BY_COUNTRY_IE: if (reg_request_cell_base(lr)) { @@ -1388,36 +1389,6 @@ get_reg_request_treatment(struct wiphy *wiphy, return REG_REQ_ALREADY_SET; return REG_REQ_INTERSECT; - case NL80211_REGDOM_SET_BY_USER: - if (reg_request_cell_base(pending_request)) - return reg_ignore_cell_hint(pending_request); - - if (reg_request_cell_base(lr)) - return REG_REQ_IGNORE; - - if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) - return REG_REQ_INTERSECT; - /* - * If the user knows better the user should set the regdom - * to their country before the IE is picked up - */ - if (lr->initiator == NL80211_REGDOM_SET_BY_USER && - lr->intersect) - return REG_REQ_IGNORE; - /* - * Process user requests only after previous user/driver/core - * requests have been processed - */ - if ((lr->initiator == NL80211_REGDOM_SET_BY_CORE || - lr->initiator == NL80211_REGDOM_SET_BY_DRIVER || - lr->initiator == NL80211_REGDOM_SET_BY_USER) && - regdom_changes(lr->alpha2)) - return REG_REQ_IGNORE; - - if (!regdom_changes(pending_request->alpha2)) - return REG_REQ_ALREADY_SET; - - return REG_REQ_OK; } return REG_REQ_IGNORE; @@ -1469,6 +1440,80 @@ reg_process_hint_core(struct regulatory_request *core_request) return REG_REQ_OK; } +static enum reg_request_treatment +__reg_process_hint_user(struct regulatory_request *user_request) +{ + struct regulatory_request *lr = get_last_request(); + + if (reg_request_cell_base(user_request)) + return reg_ignore_cell_hint(user_request); + + if (reg_request_cell_base(lr)) + return REG_REQ_IGNORE; + + if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) + return REG_REQ_INTERSECT; + /* + * If the user knows better the user should set the regdom + * to their country before the IE is picked up + */ + if (lr->initiator == NL80211_REGDOM_SET_BY_USER && + lr->intersect) + return REG_REQ_IGNORE; + /* + * Process user requests only after previous user/driver/core + * requests have been processed + */ + if ((lr->initiator == NL80211_REGDOM_SET_BY_CORE || + lr->initiator == NL80211_REGDOM_SET_BY_DRIVER || + lr->initiator == NL80211_REGDOM_SET_BY_USER) && + regdom_changes(lr->alpha2)) + return REG_REQ_IGNORE; + + if (!regdom_changes(user_request->alpha2)) + return REG_REQ_ALREADY_SET; + + return REG_REQ_OK; +} + +/** + * reg_process_hint_user - process user regulatory requests + * @user_request: a pending user regulatory request + * + * The wireless subsystem can use this function to process + * a regulatory request initiated by userspace. + * + * Returns one of the different reg request treatment values. + */ +static enum reg_request_treatment +reg_process_hint_user(struct regulatory_request *user_request) +{ + enum reg_request_treatment treatment; + struct regulatory_request *lr; + + treatment = __reg_process_hint_user(user_request); + if (treatment == REG_REQ_IGNORE || + treatment == REG_REQ_ALREADY_SET) { + kfree(user_request); + return treatment; + } + + lr = get_last_request(); + if (lr != &core_request_world && lr) + kfree_rcu(lr, rcu_head); + + user_request->intersect = treatment == REG_REQ_INTERSECT; + user_request->processed = false; + rcu_assign_pointer(last_request, user_request); + + user_alpha2[0] = user_request->alpha2[0]; + user_alpha2[1] = user_request->alpha2[1]; + + if (call_crda(user_request->alpha2)) + return REG_REQ_IGNORE; + return REG_REQ_OK; +} + /** * __regulatory_hint - hint to the wireless core a regulatory domain * @wiphy: if the hint comes from country information from an AP, this @@ -1585,6 +1630,12 @@ static void reg_process_hint(struct regulatory_request *reg_request) reg_process_hint_core(reg_request); return; case NL80211_REGDOM_SET_BY_USER: + treatment = reg_process_hint_user(reg_request); + if (treatment == REG_REQ_OK || + treatment == REG_REQ_ALREADY_SET) + return; + schedule_delayed_work(®_timeout, msecs_to_jiffies(3142)); + return; case NL80211_REGDOM_SET_BY_DRIVER: case NL80211_REGDOM_SET_BY_COUNTRY_IE: treatment = __regulatory_hint(wiphy, reg_request); @@ -1601,9 +1652,6 @@ static void reg_process_hint(struct regulatory_request *reg_request) wiphy_update_regulatory(wiphy, reg_request->initiator); break; default: - if (reg_request->initiator == NL80211_REGDOM_SET_BY_USER) - schedule_delayed_work(®_timeout, - msecs_to_jiffies(3142)); break; } }