From e73515487465f48efffb4fc5c4d0d4d150953e96 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;
--
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