Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem

Conflicts:
	drivers/net/wireless/ath/ar9170/main.c
	drivers/net/wireless/ath/ar9170/phy.c
	drivers/net/wireless/zd1211rw/zd_rf_rf2959.c

4 files changed, 135 insertions, 3 deletions

diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index aa5df8865ff..16881fea4ce 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -770,6 +770,15 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
 }
 EXPORT_SYMBOL(cfg80211_new_sta);
 
+void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
+{
+	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp);
+}
+EXPORT_SYMBOL(cfg80211_del_sta);
+
 struct cfg80211_mgmt_registration {
 	struct list_head list;
 
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 4ebce4284e9..297d7ce4117 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2002,7 +2002,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
 				const u8 *mac_addr, struct station_info *sinfo)
 {
 	void *hdr;
-	struct nlattr *sinfoattr;
+	struct nlattr *sinfoattr, *bss_param;
 
 	hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
 	if (!hdr)
@@ -2062,6 +2062,25 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
 	if (sinfo->filled & STATION_INFO_TX_FAILED)
 		NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED,
 			    sinfo->tx_failed);
+	if (sinfo->filled & STATION_INFO_BSS_PARAM) {
+		bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
+		if (!bss_param)
+			goto nla_put_failure;
+
+		if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT)
+			NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT);
+		if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE)
+			NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE);
+		if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME)
+			NLA_PUT_FLAG(msg,
+				     NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME);
+		NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
+			   sinfo->bss_param.dtim_period);
+		NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
+			    sinfo->bss_param.beacon_interval);
+
+		nla_nest_end(msg, bss_param);
+	}
 	nla_nest_end(msg, sinfoattr);
 
 	return genlmsg_end(msg, hdr);
@@ -5966,6 +5985,40 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
 				nl80211_mlme_mcgrp.id, gfp);
 }
 
+void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
+				struct net_device *dev, const u8 *mac_addr,
+				gfp_t gfp)
+{
+	struct sk_buff *msg;
+	void *hdr;
+
+	msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+	if (!msg)
+		return;
+
+	hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
+	if (!hdr) {
+		nlmsg_free(msg);
+		return;
+	}
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+
+	if (genlmsg_end(msg, hdr) < 0) {
+		nlmsg_free(msg);
+		return;
+	}
+
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
+	return;
+
+ nla_put_failure:
+	genlmsg_cancel(msg, hdr);
+	nlmsg_free(msg);
+}
+
 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
 		      struct net_device *netdev, u32 nlpid,
 		      int freq, const u8 *buf, size_t len, gfp_t gfp)
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index e3f7fa88696..dcac5cd6f01 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -79,6 +79,9 @@ void nl80211_send_remain_on_channel_cancel(
 void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
 			    struct net_device *dev, const u8 *mac_addr,
 			    struct station_info *sinfo, gfp_t gfp);
+void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
+				struct net_device *dev, const u8 *mac_addr,
+				gfp_t gfp);
 
 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
 		      struct net_device *netdev, u32 nlpid, int freq,
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index ab801a1097b..58d69959ab2 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -106,6 +106,9 @@ struct reg_beacon {
 static void reg_todo(struct work_struct *work);
 static DECLARE_WORK(reg_work, reg_todo);
 
+static void reg_timeout_work(struct work_struct *work);
+static DECLARE_DELAYED_WORK(reg_timeout, reg_timeout_work);
+
 /* 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,
@@ -1330,6 +1333,9 @@ static void reg_set_request_processed(void)
 		need_more_processing = true;
 	spin_unlock(&reg_requests_lock);
 
+	if (last_request->initiator == NL80211_REGDOM_SET_BY_USER)
+		cancel_delayed_work_sync(&reg_timeout);
+
 	if (need_more_processing)
 		schedule_work(&reg_work);
 }
@@ -1440,8 +1446,17 @@ static void reg_process_hint(struct regulatory_request *reg_request)
 	r = __regulatory_hint(wiphy, reg_request);
 	/* This is required so that the orig_* parameters are saved */
 	if (r == -EALREADY && wiphy &&
-	    wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)
+	    wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) {
 		wiphy_update_regulatory(wiphy, initiator);
+		return;
+	}
+
+	/*
+	 * We only time out user hints, given that they should be the only
+	 * source of bogus requests.
+	 */
+	if (reg_request->initiator == NL80211_REGDOM_SET_BY_USER)
+		schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
 }
 
 /*
@@ -1744,6 +1759,8 @@ static void restore_regulatory_settings(bool reset_user)
 {
 	char alpha2[2];
 	struct reg_beacon *reg_beacon, *btmp;
+	struct regulatory_request *reg_request, *tmp;
+	LIST_HEAD(tmp_reg_req_list);
 
 	mutex_lock(&cfg80211_mutex);
 	mutex_lock(&reg_mutex);
@@ -1751,6 +1768,25 @@ static void restore_regulatory_settings(bool reset_user)
 	reset_regdomains();
 	restore_alpha2(alpha2, reset_user);
 
+	/*
+	 * If there's any pending requests we simply
+	 * stash them to a temporary pending queue and
+	 * add then after we've restored regulatory
+	 * settings.
+	 */
+	spin_lock(&reg_requests_lock);
+	if (!list_empty(&reg_requests_list)) {
+		list_for_each_entry_safe(reg_request, tmp,
+					 &reg_requests_list, list) {
+			if (reg_request->initiator !=
+			    NL80211_REGDOM_SET_BY_USER)
+				continue;
+			list_del(&reg_request->list);
+			list_add_tail(&reg_request->list, &tmp_reg_req_list);
+		}
+	}
+	spin_unlock(&reg_requests_lock);
+
 	/* Clear beacon hints */
 	spin_lock_bh(&reg_pending_beacons_lock);
 	if (!list_empty(&reg_pending_beacons)) {
@@ -1785,8 +1821,31 @@ static void restore_regulatory_settings(bool reset_user)
 	 */
 	if (is_an_alpha2(alpha2))
 		regulatory_hint_user(user_alpha2);
-}
 
+	if (list_empty(&tmp_reg_req_list))
+		return;
+
+	mutex_lock(&cfg80211_mutex);
+	mutex_lock(&reg_mutex);
+
+	spin_lock(&reg_requests_lock);
+	list_for_each_entry_safe(reg_request, tmp, &tmp_reg_req_list, list) {
+		REG_DBG_PRINT("Adding request for country %c%c back "
+			      "into the queue\n",
+			      reg_request->alpha2[0],
+			      reg_request->alpha2[1]);
+		list_del(&reg_request->list);
+		list_add_tail(&reg_request->list, &reg_requests_list);
+	}
+	spin_unlock(&reg_requests_lock);
+
+	mutex_unlock(&reg_mutex);
+	mutex_unlock(&cfg80211_mutex);
+
+	REG_DBG_PRINT("Kicking the queue\n");
+
+	schedule_work(&reg_work);
+}
 
 void regulatory_hint_disconnect(void)
 {
@@ -2125,6 +2184,13 @@ out:
 	mutex_unlock(&reg_mutex);
 }
 
+static void reg_timeout_work(struct work_struct *work)
+{
+	REG_DBG_PRINT("Timeout while waiting for CRDA to reply, "
+		      "restoring regulatory settings");
+	restore_regulatory_settings(true);
+}
+
 int __init regulatory_init(void)
 {
 	int err = 0;
@@ -2178,6 +2244,7 @@ void /* __init_or_exit */ regulatory_exit(void)
 	struct reg_beacon *reg_beacon, *btmp;
 
 	cancel_work_sync(&reg_work);
+	cancel_delayed_work_sync(&reg_timeout);
 
 	mutex_lock(&cfg80211_mutex);
 	mutex_lock(&reg_mutex);