1 files changed, 8 insertions, 56 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 954315e1661d..88dd5d218fe3 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1048,50 +1048,6 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
 	return 0;
 }
 
-/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
-struct iapp_layer2_update {
-	u8 da[ETH_ALEN];	/* broadcast */
-	u8 sa[ETH_ALEN];	/* STA addr */
-	__be16 len;		/* 6 */
-	u8 dsap;		/* 0 */
-	u8 ssap;		/* 0 */
-	u8 control;
-	u8 xid_info[3];
-} __packed;
-
-static void ieee80211_send_layer2_update(struct sta_info *sta)
-{
-	struct iapp_layer2_update *msg;
-	struct sk_buff *skb;
-
-	/* Send Level 2 Update Frame to update forwarding tables in layer 2
-	 * bridge devices */
-
-	skb = dev_alloc_skb(sizeof(*msg));
-	if (!skb)
-		return;
-	msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
-
-	/* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
-	 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
-
-	eth_broadcast_addr(msg->da);
-	memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
-	msg->len = htons(6);
-	msg->dsap = 0;
-	msg->ssap = 0x01;	/* NULL LSAP, CR Bit: Response */
-	msg->control = 0xaf;	/* XID response lsb.1111F101.
-				 * F=0 (no poll command; unsolicited frame) */
-	msg->xid_info[0] = 0x81;	/* XID format identifier */
-	msg->xid_info[1] = 1;	/* LLC types/classes: Type 1 LLC */
-	msg->xid_info[2] = 0;	/* XID sender's receive window size (RW) */
-
-	skb->dev = sta->sdata->dev;
-	skb->protocol = eth_type_trans(skb, sta->sdata->dev);
-	memset(skb->cb, 0, sizeof(skb->cb));
-	netif_rx_ni(skb);
-}
-
 static int sta_apply_auth_flags(struct ieee80211_local *local,
 				struct sta_info *sta,
 				u32 mask, u32 set)
@@ -1401,7 +1357,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	struct sta_info *sta;
 	struct ieee80211_sub_if_data *sdata;
 	int err;
-	int layer2_update;
 
 	if (params->vlan) {
 		sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
@@ -1418,6 +1373,11 @@ 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;
@@ -1425,10 +1385,6 @@ 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);
@@ -1444,18 +1400,12 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	    test_sta_flag(sta, WLAN_STA_ASSOC))
 		rate_control_rate_init(sta);
 
-	layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
-		sdata->vif.type == NL80211_IFTYPE_AP;
-
 	err = sta_info_insert_rcu(sta);
 	if (err) {
 		rcu_read_unlock();
 		return err;
 	}
 
-	if (layer2_update)
-		ieee80211_send_layer2_update(sta);
-
 	rcu_read_unlock();
 
 	return 0;
@@ -1564,7 +1514,9 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 				atomic_inc(&sta->sdata->bss->num_mcast_sta);
 		}
 
-		ieee80211_send_layer2_update(sta);
+		if (sta->sta_state == IEEE80211_STA_AUTHORIZED)
+			cfg80211_send_layer2_update(sta->sdata->dev,
+						    sta->sta.addr);
 	}
 
 	err = sta_apply_parameters(local, sta, params);