mac80211: reconfigure tx on device reconfiguration
Add tx_conf array to save the current tx queues
configuration, and reconfig it on resume (ieee80211_reconfig).
On resume, the driver is being reconfigured. Without
reconfiguring the tx queues as well, the driver might
configure the device to use wrong ac params (e.g. ps-poll
instead of uapsd).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 8c2df33..ca440bc 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -799,6 +799,7 @@
qparam.uapsd = false;
+ local->tx_conf[queue] = qparam;
drv_conf_tx(local, queue, &qparam);
}
@@ -1134,7 +1135,7 @@
struct ieee80211_hw *hw = &local->hw;
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
- int res;
+ int res, i;
#ifdef CONFIG_PM
if (local->suspended)
@@ -1211,6 +1212,10 @@
}
mutex_unlock(&local->sta_mtx);
+ /* reconfigure tx conf */
+ for (i = 0; i < hw->queues; i++)
+ drv_conf_tx(local, i, &local->tx_conf[i]);
+
/* reconfigure hardware */
ieee80211_hw_config(local, ~0);