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

Conflicts:
	drivers/net/wireless/libertas/host.h

14 files changed, 137 insertions, 52 deletions

diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 83eec7a8bd1f..4d6f8653ec88 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -69,6 +69,7 @@ endchoice
 
 config MAC80211_RC_DEFAULT
 	string
+	default "minstrel_ht" if MAC80211_RC_DEFAULT_MINSTREL && MAC80211_RC_MINSTREL_HT
 	default "minstrel" if MAC80211_RC_DEFAULT_MINSTREL
 	default "pid" if MAC80211_RC_DEFAULT_PID
 	default ""
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index ed8c9f5be94f..9eb02a340889 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -413,9 +413,6 @@ static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 {
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 
-	if (!local->ops->get_survey)
-		return -EOPNOTSUPP;
-
 	return drv_get_survey(local, idx, survey);
 }
 
@@ -1329,28 +1326,28 @@ static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
 }
 
 static int ieee80211_set_tx_power(struct wiphy *wiphy,
-				  enum tx_power_setting type, int dbm)
+				  enum nl80211_tx_power_setting type, int mbm)
 {
 	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_channel *chan = local->hw.conf.channel;
 	u32 changes = 0;
 
 	switch (type) {
-	case TX_POWER_AUTOMATIC:
+	case NL80211_TX_POWER_AUTOMATIC:
 		local->user_power_level = -1;
 		break;
-	case TX_POWER_LIMITED:
-		if (dbm < 0)
-			return -EINVAL;
-		local->user_power_level = dbm;
+	case NL80211_TX_POWER_LIMITED:
+		if (mbm < 0 || (mbm % 100))
+			return -EOPNOTSUPP;
+		local->user_power_level = MBM_TO_DBM(mbm);
 		break;
-	case TX_POWER_FIXED:
-		if (dbm < 0)
-			return -EINVAL;
+	case NL80211_TX_POWER_FIXED:
+		if (mbm < 0 || (mbm % 100))
+			return -EOPNOTSUPP;
 		/* TODO: move to cfg80211 when it knows the channel */
-		if (dbm > chan->max_power)
+		if (MBM_TO_DBM(mbm) > chan->max_power)
 			return -EINVAL;
-		local->user_power_level = dbm;
+		local->user_power_level = MBM_TO_DBM(mbm);
 		break;
 	}
 
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index c33317320eee..14123dce544b 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -375,9 +375,14 @@ static inline int drv_get_survey(struct ieee80211_local *local, int idx,
 				struct survey_info *survey)
 {
 	int ret = -EOPNOTSUPP;
+
+	trace_drv_get_survey(local, idx, survey);
+
 	if (local->ops->get_survey)
 		ret = local->ops->get_survey(&local->hw, idx, survey);
-	/* trace_drv_get_survey(local, idx, survey, ret); */
+
+	trace_drv_return_int(local, ret);
+
 	return ret;
 }
 
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 8da31caff931..5d5d2a974668 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -761,6 +761,28 @@ TRACE_EVENT(drv_ampdu_action,
 	)
 );
 
+TRACE_EVENT(drv_get_survey,
+	TP_PROTO(struct ieee80211_local *local, int idx,
+		 struct survey_info *survey),
+
+	TP_ARGS(local, idx, survey),
+
+	TP_STRUCT__entry(
+		LOCAL_ENTRY
+		__field(int, idx)
+	),
+
+	TP_fast_assign(
+		LOCAL_ASSIGN;
+		__entry->idx = idx;
+	),
+
+	TP_printk(
+		LOCAL_PR_FMT " idx:%d",
+		LOCAL_PR_ARG, __entry->idx
+	)
+);
+
 TRACE_EVENT(drv_flush,
 	TP_PROTO(struct ieee80211_local *local, bool drop),
 
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 6f905f153ed7..a3649a86a784 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -855,6 +855,8 @@ struct ieee80211_local {
 	 * this will override whatever chosen by mac80211 internally.
 	 */
 	int dynamic_ps_forced_timeout;
+	int dynamic_ps_user_timeout;
+	bool disable_dynamic_ps;
 
 	int user_power_level; /* in dBm */
 	int power_constr_level; /* in dBm */
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 3cd5f7b5d693..ea13a80a476c 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -65,7 +65,6 @@ void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
 {
 	atomic_inc(&sdata->u.mesh.mshstats.estab_plinks);
 	mesh_accept_plinks_update(sdata);
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 }
 
 static inline
@@ -73,7 +72,6 @@ void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
 {
 	atomic_dec(&sdata->u.mesh.mshstats.estab_plinks);
 	mesh_accept_plinks_update(sdata);
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 }
 
 /**
@@ -115,7 +113,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
 }
 
 /**
- * mesh_plink_deactivate - deactivate mesh peer link
+ * __mesh_plink_deactivate - deactivate mesh peer link
  *
  * @sta: mesh peer link to deactivate
  *
@@ -123,18 +121,23 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
  *
  * Locking: the caller must hold sta->lock
  */
-static void __mesh_plink_deactivate(struct sta_info *sta)
+static bool __mesh_plink_deactivate(struct sta_info *sta)
 {
 	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	bool deactivated = false;
 
-	if (sta->plink_state == PLINK_ESTAB)
+	if (sta->plink_state == PLINK_ESTAB) {
 		mesh_plink_dec_estab_count(sdata);
+		deactivated = true;
+	}
 	sta->plink_state = PLINK_BLOCKED;
 	mesh_path_flush_by_nexthop(sta);
+
+	return deactivated;
 }
 
 /**
- * __mesh_plink_deactivate - deactivate mesh peer link
+ * mesh_plink_deactivate - deactivate mesh peer link
  *
  * @sta: mesh peer link to deactivate
  *
@@ -142,9 +145,15 @@ static void __mesh_plink_deactivate(struct sta_info *sta)
  */
 void mesh_plink_deactivate(struct sta_info *sta)
 {
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	bool deactivated;
+
 	spin_lock_bh(&sta->lock);
-	__mesh_plink_deactivate(sta);
+	deactivated = __mesh_plink_deactivate(sta);
 	spin_unlock_bh(&sta->lock);
+
+	if (deactivated)
+		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 }
 
 static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
@@ -381,10 +390,16 @@ int mesh_plink_open(struct sta_info *sta)
 
 void mesh_plink_block(struct sta_info *sta)
 {
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	bool deactivated;
+
 	spin_lock_bh(&sta->lock);
-	__mesh_plink_deactivate(sta);
+	deactivated = __mesh_plink_deactivate(sta);
 	sta->plink_state = PLINK_BLOCKED;
 	spin_unlock_bh(&sta->lock);
+
+	if (deactivated)
+		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 }
 
 
@@ -397,6 +412,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 	enum plink_event event;
 	enum plink_frame_type ftype;
 	size_t baselen;
+	bool deactivated;
 	u8 ie_len;
 	u8 *baseaddr;
 	__le16 plid, llid, reason;
@@ -651,8 +667,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 		case CNF_ACPT:
 			del_timer(&sta->plink_timer);
 			sta->plink_state = PLINK_ESTAB;
-			mesh_plink_inc_estab_count(sdata);
 			spin_unlock_bh(&sta->lock);
+			mesh_plink_inc_estab_count(sdata);
+			ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 			mpl_dbg("Mesh plink with %pM ESTABLISHED\n",
 				sta->sta.addr);
 			break;
@@ -684,8 +701,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 		case OPN_ACPT:
 			del_timer(&sta->plink_timer);
 			sta->plink_state = PLINK_ESTAB;
-			mesh_plink_inc_estab_count(sdata);
 			spin_unlock_bh(&sta->lock);
+			mesh_plink_inc_estab_count(sdata);
+			ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 			mpl_dbg("Mesh plink with %pM ESTABLISHED\n",
 				sta->sta.addr);
 			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid,
@@ -702,11 +720,13 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 		case CLS_ACPT:
 			reason = cpu_to_le16(MESH_CLOSE_RCVD);
 			sta->reason = reason;
-			__mesh_plink_deactivate(sta);
+			deactivated = __mesh_plink_deactivate(sta);
 			sta->plink_state = PLINK_HOLDING;
 			llid = sta->llid;
 			mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
 			spin_unlock_bh(&sta->lock);
+			if (deactivated)
+				ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid,
 					    plid, reason);
 			break;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 85c3ca33333e..d1962650b254 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -478,6 +478,39 @@ static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
 	}
 }
 
+void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif)
+{
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_conf *conf = &local->hw.conf;
+
+	WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION ||
+		!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS) ||
+		(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS));
+
+	local->disable_dynamic_ps = false;
+	conf->dynamic_ps_timeout = local->dynamic_ps_user_timeout;
+}
+EXPORT_SYMBOL(ieee80211_enable_dyn_ps);
+
+void ieee80211_disable_dyn_ps(struct ieee80211_vif *vif)
+{
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_conf *conf = &local->hw.conf;
+
+	WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION ||
+		!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS) ||
+		(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS));
+
+	local->disable_dynamic_ps = true;
+	conf->dynamic_ps_timeout = 0;
+	del_timer_sync(&local->dynamic_ps_timer);
+	ieee80211_queue_work(&local->hw,
+			     &local->dynamic_ps_enable_work);
+}
+EXPORT_SYMBOL(ieee80211_disable_dyn_ps);
+
 /* powersave */
 static void ieee80211_enable_ps(struct ieee80211_local *local,
 				struct ieee80211_sub_if_data *sdata)
@@ -553,6 +586,7 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
 	    found->u.mgd.associated->beacon_ies &&
 	    !(found->u.mgd.flags & (IEEE80211_STA_BEACON_POLL |
 				    IEEE80211_STA_CONNECTION_POLL))) {
+		struct ieee80211_conf *conf = &local->hw.conf;
 		s32 beaconint_us;
 
 		if (latency < 0)
@@ -575,7 +609,10 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
 			else
 				timeout = 100;
 		}
-		local->hw.conf.dynamic_ps_timeout = timeout;
+		local->dynamic_ps_user_timeout = timeout;
+		if (!local->disable_dynamic_ps)
+			conf->dynamic_ps_timeout =
+				local->dynamic_ps_user_timeout;
 
 		if (beaconint_us > latency) {
 			local->ps_sdata = NULL;
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 7a04951fcb1f..52c85036660d 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -328,7 +328,8 @@ minstrel_next_sample_idx(struct minstrel_ht_sta *mi)
 }
 
 static void
-minstrel_downgrade_rate(struct minstrel_ht_sta *mi, int *idx, bool primary)
+minstrel_downgrade_rate(struct minstrel_ht_sta *mi, unsigned int *idx,
+			bool primary)
 {
 	int group, orig_group;
 
diff --git a/net/mac80211/rc80211_minstrel_ht.h b/net/mac80211/rc80211_minstrel_ht.h
index 696c0fc6e0b7..462d2b227ed5 100644
--- a/net/mac80211/rc80211_minstrel_ht.h
+++ b/net/mac80211/rc80211_minstrel_ht.h
@@ -29,6 +29,8 @@ struct mcs_group {
 	unsigned int duration[MCS_GROUP_RATES];
 };
 
+extern const struct mcs_group minstrel_mcs_groups[];
+
 struct minstrel_rate_stats {
 	/* current / last sampling period attempts/success counters */
 	unsigned int attempts, last_attempts;
diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index 4fb3ccbd8b40..4a5a4b3e7799 100644
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -14,8 +14,6 @@
 #include "rc80211_minstrel.h"
 #include "rc80211_minstrel_ht.h"
 
-extern const struct mcs_group minstrel_mcs_groups[];
-
 static int
 minstrel_ht_stats_open(struct inode *inode, struct file *file)
 {
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index a8aa0f2411a2..fa0f37e4afe4 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -293,7 +293,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 			skb2 = skb_clone(skb, GFP_ATOMIC);
 			if (skb2) {
 				skb2->dev = prev_dev;
-				netif_rx(skb2);
+				netif_receive_skb(skb2);
 			}
 		}
 
@@ -304,7 +304,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 
 	if (prev_dev) {
 		skb->dev = prev_dev;
-		netif_rx(skb);
+		netif_receive_skb(skb);
 	} else
 		dev_kfree_skb(skb);
 
@@ -1578,7 +1578,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 			/* deliver to local stack */
 			skb->protocol = eth_type_trans(skb, dev);
 			memset(skb->cb, 0, sizeof(skb->cb));
-			netif_rx(skb);
+			netif_receive_skb(skb);
 		}
 	}
 
@@ -2056,11 +2056,11 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
 	nskb = skb_copy_expand(rx->skb, local->hw.extra_tx_headroom, 0,
 			       GFP_ATOMIC);
 	if (nskb) {
-		struct ieee80211_mgmt *mgmt = (void *)nskb->data;
+		struct ieee80211_mgmt *nmgmt = (void *)nskb->data;
 
-		mgmt->u.action.category |= 0x80;
-		memcpy(mgmt->da, mgmt->sa, ETH_ALEN);
-		memcpy(mgmt->sa, rx->sdata->vif.addr, ETH_ALEN);
+		nmgmt->u.action.category |= 0x80;
+		memcpy(nmgmt->da, nmgmt->sa, ETH_ALEN);
+		memcpy(nmgmt->sa, rx->sdata->vif.addr, ETH_ALEN);
 
 		memset(nskb->cb, 0, sizeof(nskb->cb));
 
@@ -2244,7 +2244,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
 			skb2 = skb_clone(skb, GFP_ATOMIC);
 			if (skb2) {
 				skb2->dev = prev_dev;
-				netif_rx(skb2);
+				netif_receive_skb(skb2);
 			}
 		}
 
@@ -2255,7 +2255,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
 
 	if (prev_dev) {
 		skb->dev = prev_dev;
-		netif_rx(skb);
+		netif_receive_skb(skb);
 		skb = NULL;
 	} else
 		goto out_free_skb;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index e1b0be7a57b9..439c98d93a79 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -286,6 +286,8 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 	local->scanning = 0;
 	local->scan_channel = NULL;
 
+	drv_sw_scan_complete(local);
+
 	/* we only have to protect scan_req and hw/sw scan */
 	mutex_unlock(&local->scan_mtx);
 
@@ -295,8 +297,6 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 
 	ieee80211_configure_filter(local);
 
-	drv_sw_scan_complete(local);
-
 	ieee80211_offchannel_return(local, true);
 
  done:
@@ -734,7 +734,7 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
 {
 	struct ieee80211_local *local = sdata->local;
 	int ret = -EBUSY;
-	enum nl80211_band band;
+	enum ieee80211_band band;
 
 	mutex_lock(&local->scan_mtx);
 
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 10d0fcb417ae..54262e72376d 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -427,20 +427,20 @@ void for_each_sta_info_type_check(struct ieee80211_local *local,
 {
 }
 
-#define for_each_sta_info(local, _addr, sta, nxt) 			\
+#define for_each_sta_info(local, _addr, _sta, nxt) 			\
 	for (	/* initialise loop */					\
-		sta = rcu_dereference(local->sta_hash[STA_HASH(_addr)]),\
-		nxt = sta ? rcu_dereference(sta->hnext) : NULL;		\
+		_sta = rcu_dereference(local->sta_hash[STA_HASH(_addr)]),\
+		nxt = _sta ? rcu_dereference(_sta->hnext) : NULL;	\
 		/* typecheck */						\
-		for_each_sta_info_type_check(local, (_addr), sta, nxt),	\
+		for_each_sta_info_type_check(local, (_addr), _sta, nxt),\
 		/* continue condition */				\
-		sta;							\
+		_sta;							\
 		/* advance loop */					\
-		sta = nxt,						\
-		nxt = sta ? rcu_dereference(sta->hnext) : NULL		\
+		_sta = nxt,						\
+		nxt = _sta ? rcu_dereference(_sta->hnext) : NULL	\
 	     )								\
 	/* compare address and run code only if it matches */		\
-	if (memcmp(sta->sta.addr, (_addr), ETH_ALEN) == 0)
+	if (memcmp(_sta->sta.addr, (_addr), ETH_ALEN) == 0)
 
 /*
  * Get STA info by index, BROKEN!
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 34da67995d94..10caec5ea8fa 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -377,7 +377,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 				skb2 = skb_clone(skb, GFP_ATOMIC);
 				if (skb2) {
 					skb2->dev = prev_dev;
-					netif_rx(skb2);
+					netif_receive_skb(skb2);
 				}
 			}
 
@@ -386,7 +386,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	}
 	if (prev_dev) {
 		skb->dev = prev_dev;
-		netif_rx(skb);
+		netif_receive_skb(skb);
 		skb = NULL;
 	}
 	rcu_read_unlock();