Linux-libre 4.4-gnupck-4.4-gnu

1 files changed, 54 insertions, 64 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7a77a1470..c12f34813 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -17,7 +17,6 @@
 #include <net/cfg80211.h>
 #include "ieee80211_i.h"
 #include "driver-ops.h"
-#include "cfg.h"
 #include "rate.h"
 #include "mesh.h"
 #include "wme.h"
@@ -469,45 +468,6 @@ void sta_set_rate_info_tx(struct sta_info *sta,
 		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 }
 
-void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
-{
-	rinfo->flags = 0;
-
-	if (sta->last_rx_rate_flag & RX_FLAG_HT) {
-		rinfo->flags |= RATE_INFO_FLAGS_MCS;
-		rinfo->mcs = sta->last_rx_rate_idx;
-	} else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
-		rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
-		rinfo->nss = sta->last_rx_rate_vht_nss;
-		rinfo->mcs = sta->last_rx_rate_idx;
-	} else {
-		struct ieee80211_supported_band *sband;
-		int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
-		u16 brate;
-
-		sband = sta->local->hw.wiphy->bands[
-				ieee80211_get_sdata_band(sta->sdata)];
-		brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
-		rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
-	}
-
-	if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
-		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
-
-	if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
-		rinfo->bw = RATE_INFO_BW_5;
-	else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
-		rinfo->bw = RATE_INFO_BW_10;
-	else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
-		rinfo->bw = RATE_INFO_BW_40;
-	else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
-		rinfo->bw = RATE_INFO_BW_80;
-	else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
-		rinfo->bw = RATE_INFO_BW_160;
-	else
-		rinfo->bw = RATE_INFO_BW_20;
-}
-
 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 				  int idx, u8 *mac, struct station_info *sinfo)
 {
@@ -981,7 +941,7 @@ static int sta_apply_auth_flags(struct ieee80211_local *local,
 		 * well. Some drivers require rate control initialized
 		 * before drv_sta_state() is called.
 		 */
-		if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
+		if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
 			rate_control_rate_init(sta);
 
 		ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
@@ -1120,8 +1080,11 @@ static int sta_apply_parameters(struct ieee80211_local *local,
 	    local->hw.queues >= IEEE80211_NUM_ACS)
 		sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
 
-	/* auth flags will be set later for TDLS stations */
-	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
+	/* auth flags will be set later for TDLS,
+	 * and for unassociated stations that move to assocaited */
+	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
+	    !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
+	      (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
 		ret = sta_apply_auth_flags(local, sta, mask, set);
 		if (ret)
 			return ret;
@@ -1135,6 +1098,7 @@ static int sta_apply_parameters(struct ieee80211_local *local,
 	}
 
 	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
+		sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
 		if (set & BIT(NL80211_STA_FLAG_MFP))
 			set_sta_flag(sta, WLAN_STA_MFP);
 		else
@@ -1156,6 +1120,7 @@ static int sta_apply_parameters(struct ieee80211_local *local,
 		set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
 
 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
+	    !sdata->u.mgd.tdls_wider_bw_prohibited &&
 	    ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
 	    params->ext_capab_len >= 8 &&
 	    params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
@@ -1204,15 +1169,15 @@ static int sta_apply_parameters(struct ieee80211_local *local,
 		 * rc isn't initialized here yet, so ignore it
 		 */
 		__ieee80211_vht_handle_opmode(sdata, sta,
-					      params->opmode_notif,
-					      band, false);
+					      params->opmode_notif, band);
 	}
 
 	if (ieee80211_vif_is_mesh(&sdata->vif))
 		sta_apply_mesh_params(local, sta, params);
 
 	/* set the STA state after all sta info from usermode has been set */
-	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
+	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
+	    set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
 		ret = sta_apply_auth_flags(local, sta, mask, set);
 		if (ret)
 			return ret;
@@ -1254,12 +1219,14 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	 * defaults -- if userspace wants something else we'll
 	 * change it accordingly in sta_apply_parameters()
 	 */
-	if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
+	if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
+	    !(params->sta_flags_set & (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+					BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
 		sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
 		sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
-	} else {
-		sta->sta.tdls = true;
 	}
+	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
+		sta->sta.tdls = true;
 
 	err = sta_apply_parameters(local, sta, params);
 	if (err) {
@@ -1268,10 +1235,12 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	}
 
 	/*
-	 * for TDLS, rate control should be initialized only when
-	 * rates are known and station is marked authorized
+	 * for TDLS and for unassociated station, rate control should be
+	 * initialized only when rates are known and station is marked
+	 * authorized/associated
 	 */
-	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
+	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
+	    test_sta_flag(sta, WLAN_STA_ASSOC))
 		rate_control_rate_init(sta);
 
 	layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
@@ -1346,7 +1315,10 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 		break;
 	case NL80211_IFTYPE_AP:
 	case NL80211_IFTYPE_AP_VLAN:
-		statype = CFG80211_STA_AP_CLIENT;
+		if (test_sta_flag(sta, WLAN_STA_ASSOC))
+			statype = CFG80211_STA_AP_CLIENT;
+		else
+			statype = CFG80211_STA_AP_CLIENT_UNASSOC;
 		break;
 	default:
 		err = -EOPNOTSUPP;
@@ -1415,7 +1387,7 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 
 	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
 	    params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
-		ieee80211_recalc_ps(local, -1);
+		ieee80211_recalc_ps(local);
 		ieee80211_recalc_ps_vif(sdata);
 	}
 
@@ -2037,12 +2009,12 @@ ieee80211_sched_scan_start(struct wiphy *wiphy,
 static int
 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = wiphy_priv(wiphy);
 
-	if (!sdata->local->ops->sched_scan_stop)
+	if (!local->ops->sched_scan_stop)
 		return -EOPNOTSUPP;
 
-	return ieee80211_request_sched_scan_stop(sdata);
+	return ieee80211_request_sched_scan_stop(local);
 }
 
 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
@@ -2450,7 +2422,7 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
 	if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
 
-	ieee80211_recalc_ps(local, -1);
+	ieee80211_recalc_ps(local);
 	ieee80211_recalc_ps_vif(sdata);
 
 	return 0;
@@ -3481,8 +3453,12 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 			goto out_unlock;
 		}
 	} else {
-		/* for cookie below */
-		ack_skb = skb;
+		/* Assign a dummy non-zero cookie, it's not sent to
+		 * userspace in this case but we rely on its value
+		 * internally in the need_offchan case to distinguish
+		 * mgmt-tx from remain-on-channel.
+		 */
+		*cookie = 0xffffffff;
 	}
 
 	if (!need_offchan) {
@@ -3522,18 +3498,32 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
 					  u16 frame_type, bool reg)
 {
 	struct ieee80211_local *local = wiphy_priv(wiphy);
+	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 
 	switch (frame_type) {
 	case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
-		if (reg)
+		if (reg) {
 			local->probe_req_reg++;
-		else
-			local->probe_req_reg--;
+			sdata->vif.probe_req_reg++;
+		} else {
+			if (local->probe_req_reg)
+				local->probe_req_reg--;
+
+			if (sdata->vif.probe_req_reg)
+				sdata->vif.probe_req_reg--;
+		}
 
 		if (!local->open_count)
 			break;
 
-		ieee80211_queue_work(&local->hw, &local->reconfig_filter);
+		if (sdata->vif.probe_req_reg == 1)
+			drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
+						FIF_PROBE_REQ);
+		else if (sdata->vif.probe_req_reg == 0)
+			drv_config_iface_filter(local, sdata, 0,
+						FIF_PROBE_REQ);
+
+		ieee80211_configure_filter(local);
 		break;
 	default:
 		break;