diff options
| author | Eliad Peller <eliad@wizery.com> | 2011-07-14 20:29:42 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-07-18 14:29:03 -0400 |
| commit | 2683d65bb016a0533c25ead3025cbd24886cf35f (patch) | |
| tree | eb6f37fae2711030aeddc31c9482b36de85d0be0 /net/mac80211 | |
| parent | b3c2ce131c7cd8c53b72b0cc04241cde17ce0c1d (diff) | |
| download | lwn-2683d65bb016a0533c25ead3025cbd24886cf35f.tar.gz lwn-2683d65bb016a0533c25ead3025cbd24886cf35f.zip | |
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>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/cfg.c | 4 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 1 | ||||
| -rw-r--r-- | net/mac80211/util.c | 7 |
4 files changed, 12 insertions, 1 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index bfc36e904764..3d1b091d9b2e 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1255,6 +1255,10 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy, */ p.uapsd = false; + if (params->queue >= local->hw.queues) + return -EINVAL; + + local->tx_conf[params->queue] = p; if (drv_conf_tx(local, params->queue, &p)) { wiphy_debug(local->hw.wiphy, "failed to set TX queue parameters for queue %d\n", diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index dda0d1ab34f3..1b845bb49c41 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -746,6 +746,7 @@ struct ieee80211_local { struct workqueue_struct *workqueue; unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; + struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES]; /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ spinlock_t queue_stop_reason_lock; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index c99237cd4b98..71e20a7af307 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -917,6 +917,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, params.aifs, params.cw_min, params.cw_max, params.txop, params.uapsd); #endif + local->tx_conf[queue] = params; if (drv_conf_tx(local, queue, ¶ms)) wiphy_debug(local->hw.wiphy, "failed to set TX queue parameters for queue %d\n", diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 8c2df33fd7e8..ca440bce3de8 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -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); |