+commit 7cbb4c021bfd1e656f5b9953a947ab3c64e4e3b0
+Author: Felix Fietkau <nbd@openwrt.org>
+Date: Thu Apr 10 10:49:01 2014 +0200
+
+ mac80211: exclude AP_VLAN interfaces from tx power calculation
+
+ Their power value is initialized to zero. This patch fixes an issue
+ where the configured power drops to the minimum value when AP_VLAN
+ interfaces are created/removed.
+
+ Cc: stable@vger.kernel.org
+ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+
commit 0ca13e26341733bf9577287fb04a3bef0d2f5cc9
Author: Felix Fietkau <nbd@openwrt.org>
Date: Wed Apr 9 00:07:01 2014 +0200
void ath9k_beacon_tasklet(unsigned long data)
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
-@@ -203,7 +203,7 @@ void ieee80211_bss_info_change_notify(st
+@@ -152,6 +152,8 @@ static u32 ieee80211_hw_conf_chan(struct
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (!rcu_access_pointer(sdata->vif.chanctx_conf))
+ continue;
++ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
++ continue;
+ power = min(power, sdata->vif.bss_conf.txpower);
+ }
+ rcu_read_unlock();
+@@ -203,7 +205,7 @@ void ieee80211_bss_info_change_notify(st
{
struct ieee80211_local *local = sdata->local;
*dbm = sdata->vif.bss_conf.txpower;
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
-@@ -158,6 +158,7 @@ static u32 ieee80211_hw_conf_chan(struct
+@@ -160,6 +160,7 @@ static u32 ieee80211_hw_conf_chan(struct
if (local->hw.conf.power_level != power) {
changed |= IEEE80211_CONF_CHANGE_POWER;
u32 offchannel_flag;
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
-@@ -156,6 +156,12 @@ static u32 ieee80211_hw_conf_chan(struct
+@@ -158,6 +158,12 @@ static u32 ieee80211_hw_conf_chan(struct
}
rcu_read_unlock();
if (local->hw.conf.power_level != power) {
changed |= IEEE80211_CONF_CHANGE_POWER;
local->hw.cur_power_level = power;
-@@ -584,6 +590,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(
+@@ -586,6 +592,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(
IEEE80211_RADIOTAP_MCS_HAVE_BW;
local->hw.radiotap_vht_details = IEEE80211_RADIOTAP_VHT_KNOWN_GI |
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH;