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mac80211: reconfigure tx on device reconfiguration

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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>
This commit is contained in:
Eliad Peller 2011-07-14 20:29:42 +03:00 • committed by John W. Linville
parent b3c2ce131c
commit 2683d65bb0
4 changed files with 12 additions and 1 deletions
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7
net/mac80211/util.c
View file

@ -799,6 +799,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
qparam.uapsd = false;
local->tx_conf[queue] = qparam;
drv_conf_tx(local, queue, &qparam);
}
@ -1134,7 +1135,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
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 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
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);