5 files changed, 21 insertions, 12 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 4d458067d80d..111c400199ec 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1546,6 +1546,11 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	if (is_multicast_ether_addr(mac))
 		return -EINVAL;
 
+	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
+	    sdata->vif.type == NL80211_IFTYPE_STATION &&
+	    !sdata->u.mgd.associated)
+		return -EINVAL;
+
 	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 	if (!sta)
 		return -ENOMEM;
@@ -1553,10 +1558,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
 		sta->sta.tdls = true;
 
-	if (sta->sta.tdls && sdata->vif.type == NL80211_IFTYPE_STATION &&
-	    !sdata->u.mgd.associated)
-		return -EINVAL;
-
 	err = sta_apply_parameters(local, sta, params);
 	if (err) {
 		sta_info_free(local, sta);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 06aac0aaae64..8dc6580e1787 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1222,7 +1222,6 @@ static void ieee80211_if_setup(struct net_device *dev)
 static void ieee80211_if_setup_no_queue(struct net_device *dev)
 {
 	ieee80211_if_setup(dev);
-	dev->features |= NETIF_F_LLTX;
 	dev->priv_flags |= IFF_NO_QUEUE;
 }
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a99ad0325309..4c888dc9bd81 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2042,6 +2042,16 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local,
 		ieee80211_regulatory_limit_wmm_params(sdata, &params[ac], ac);
 	}
 
+	/* WMM specification requires all 4 ACIs. */
+	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+		if (params[ac].cw_min == 0) {
+			sdata_info(sdata,
+				   "AP has invalid WMM params (missing AC %d), using defaults\n",
+				   ac);
+			return false;
+		}
+	}
+
 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
 		mlme_dbg(sdata,
 			 "WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n",
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 3c1ab870fefe..768d14c9a716 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2447,11 +2447,13 @@ static void ieee80211_deliver_skb_to_local_stack(struct sk_buff *skb,
 		      skb->protocol == cpu_to_be16(ETH_P_PREAUTH)) &&
 		     sdata->control_port_over_nl80211)) {
 		struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
-		bool noencrypt = status->flag & RX_FLAG_DECRYPTED;
+		bool noencrypt = !(status->flag & RX_FLAG_DECRYPTED);
 
 		cfg80211_rx_control_port(dev, skb, noencrypt);
 		dev_kfree_skb(skb);
 	} else {
+		memset(skb->cb, 0, sizeof(skb->cb));
+
 		/* deliver to local stack */
 		if (rx->napi)
 			napi_gro_receive(rx->napi, skb);
@@ -2546,8 +2548,6 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 
 	if (skb) {
 		skb->protocol = eth_type_trans(skb, dev);
-		memset(skb->cb, 0, sizeof(skb->cb));
-
 		ieee80211_deliver_skb_to_local_stack(skb, rx);
 	}
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 1b224fa27367..ad1e58184c4e 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3796,9 +3796,7 @@ int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
 	}
 
 	/* Always allow software iftypes */
-	if (local->hw.wiphy->software_iftypes & BIT(iftype) ||
-	    (iftype == NL80211_IFTYPE_AP_VLAN &&
-	     local->hw.wiphy->flags & WIPHY_FLAG_4ADDR_AP)) {
+	if (cfg80211_iftype_allowed(local->hw.wiphy, iftype, 0, 1)) {
 		if (radar_detect)
 			return -EINVAL;
 		return 0;
@@ -3833,7 +3831,8 @@ int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
 
 		if (sdata_iter == sdata ||
 		    !ieee80211_sdata_running(sdata_iter) ||
-		    local->hw.wiphy->software_iftypes & BIT(wdev_iter->iftype))
+		    cfg80211_iftype_allowed(local->hw.wiphy,
+					    wdev_iter->iftype, 0, 1))
 			continue;
 
 		params.iftype_num[wdev_iter->iftype]++;