From 1ebfa39249726f9c8f96c8eb4257287d95f05eee Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 23 Nov 2011 13:55:35 +0000
Subject: [PATCH] mac80211: fix aggregation related kernel warnings when using
 wds

SVN-Revision: 29296
---
 .../560-mac80211_fix_ap_vlan_aggr.patch       | 95 +++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 package/mac80211/patches/560-mac80211_fix_ap_vlan_aggr.patch

diff --git a/package/mac80211/patches/560-mac80211_fix_ap_vlan_aggr.patch b/package/mac80211/patches/560-mac80211_fix_ap_vlan_aggr.patch
new file mode 100644
index 0000000000..051f1a91d1
--- /dev/null
+++ b/package/mac80211/patches/560-mac80211_fix_ap_vlan_aggr.patch
@@ -0,0 +1,95 @@
+--- a/net/mac80211/driver-ops.h
++++ b/net/mac80211/driver-ops.h
+@@ -10,6 +10,16 @@ static inline void check_sdata_in_driver
+ 	WARN_ON(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER));
+ }
+ 
++static inline struct ieee80211_sub_if_data *
++get_bss_sdata(struct ieee80211_sub_if_data *sdata)
++{
++	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
++		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
++				     u.ap);
++
++	return sdata;
++}
++
+ static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
+ {
+ 	local->ops->tx(&local->hw, skb);
+@@ -427,6 +437,7 @@ static inline void drv_sta_notify(struct
+ 				  enum sta_notify_cmd cmd,
+ 				  struct ieee80211_sta *sta)
+ {
++	sdata = get_bss_sdata(sdata);
+ 	check_sdata_in_driver(sdata);
+ 
+ 	trace_drv_sta_notify(local, sdata, cmd, sta);
+@@ -443,6 +454,7 @@ static inline int drv_sta_add(struct iee
+ 
+ 	might_sleep();
+ 
++	sdata = get_bss_sdata(sdata);
+ 	check_sdata_in_driver(sdata);
+ 
+ 	trace_drv_sta_add(local, sdata, sta);
+@@ -460,6 +472,7 @@ static inline void drv_sta_remove(struct
+ {
+ 	might_sleep();
+ 
++	sdata = get_bss_sdata(sdata);
+ 	check_sdata_in_driver(sdata);
+ 
+ 	trace_drv_sta_remove(local, sdata, sta);
+@@ -553,6 +566,7 @@ static inline int drv_ampdu_action(struc
+ 
+ 	might_sleep();
+ 
++	sdata = get_bss_sdata(sdata);
+ 	check_sdata_in_driver(sdata);
+ 
+ 	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -353,10 +353,6 @@ static int sta_info_finish_insert(struct
+ 
+ 	if (!sta->dummy || dummy_reinsert) {
+ 		/* notify driver */
+-		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+-			sdata = container_of(sdata->bss,
+-					     struct ieee80211_sub_if_data,
+-					     u.ap);
+ 		err = drv_sta_add(local, sdata, &sta->sta);
+ 		if (err) {
+ 			if (!async)
+--- a/net/mac80211/agg-tx.c
++++ b/net/mac80211/agg-tx.c
+@@ -550,7 +550,7 @@ void ieee80211_start_tx_ba_cb(struct iee
+ 	}
+ 
+ 	mutex_lock(&local->sta_mtx);
+-	sta = sta_info_get(sdata, ra);
++	sta = sta_info_get_bss(sdata, ra);
+ 	if (!sta) {
+ 		mutex_unlock(&local->sta_mtx);
+ #ifdef CONFIG_MAC80211_HT_DEBUG
+@@ -679,7 +679,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee
+ 
+ 	mutex_lock(&local->sta_mtx);
+ 
+-	sta = sta_info_get(sdata, ra);
++	sta = sta_info_get_bss(sdata, ra);
+ 	if (!sta) {
+ #ifdef CONFIG_MAC80211_HT_DEBUG
+ 		printk(KERN_DEBUG "Could not find station: %pM\n", ra);
+--- a/net/mac80211/agg-rx.c
++++ b/net/mac80211/agg-rx.c
+@@ -109,7 +109,7 @@ void ieee80211_stop_rx_ba_session(struct
+ 	int i;
+ 
+ 	rcu_read_lock();
+-	sta = sta_info_get(sdata, addr);
++	sta = sta_info_get_bss(sdata, addr);
+ 	if (!sta) {
+ 		rcu_read_unlock();
+ 		return;
-- 
2.30.2