mac80211: update to wireless-testing 2014-03-31

[openwrt.git] / package / kernel / mac80211 / patches / 902-wlcore-don-t-switch-channels-on-disconnected-STA-vif.patch

diff --git a/package/kernel/mac80211/patches/902-wlcore-don-t-switch-channels-on-disconnected-STA-vif.patch b/package/kernel/mac80211/patches/902-wlcore-don-t-switch-channels-on-disconnected-STA-vif.patch
new file mode 100644 (file)
index 0000000..3d501b2
--- /dev/null
+++ b/package/kernel/mac80211/patches/902-wlcore-don-t-switch-channels-on-disconnected-STA-vif.patch
@@ -0,0 +1,36 @@
+From 4101e8dc540d19f1f6c24930629149191786e4cd Mon Sep 17 00:00:00 2001
+From: Arik Nemtsov <arik@wizery.com>
+Date: Mon, 9 Sep 2013 16:48:59 +0300
+Subject: [PATCH 27/75] wlcore: don't switch channels on disconnected STA vifs
+
+Sending the FW a channel switch command on a disconnected vif may result
+in a beacon loss event. Avoid this edge case.
+
+Signed-off-by: Arik Nemtsov <arik@wizery.com>
+---
+ drivers/net/wireless/ti/wlcore/main.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+--- a/drivers/net/wireless/ti/wlcore/main.c
++++ b/drivers/net/wireless/ti/wlcore/main.c
+@@ -5181,6 +5181,10 @@ static void wl12xx_op_channel_switch(str
+       if (unlikely(wl->state == WLCORE_STATE_OFF)) {
+               wl12xx_for_each_wlvif_sta(wl, wlvif) {
+                       struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
++
++                      if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
++                              continue;
++
+                       ieee80211_chswitch_done(vif, false);
+               }
+               goto out;
+@@ -5196,6 +5200,9 @@ static void wl12xx_op_channel_switch(str
+       wl12xx_for_each_wlvif_sta(wl, wlvif) {
+               unsigned long delay_usec;
+ 
++              if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
++                      continue;
++
+               ret = wl->ops->channel_switch(wl, wlvif, ch_switch);
+               if (ret)
+                       goto out_sleep;