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iwlwifi: build some station commands directly

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In the powersave related functions we only need
to set a few parameters for the station command
and can otherwise leave it blank -- there's no
need to copy it from the database.

This allows us to not use the sta lock here.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-03-05 11:24:23 -08:00 committed by John W. Linville
parent 40e4e6868c
commit 9451ca1a31
2 changed files with 15 additions and 21 deletions
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20
drivers/net/wireless/iwlwifi/iwl-agn-sta.c
View File

@ -1437,16 +1437,14 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt)
{
unsigned long flags;
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].sta.station_flags |= STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.sta.modify_mask =
STA_MODIFY_SLEEP_TX_COUNT_MSK;
priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt);
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
struct iwl_addsta_cmd cmd = {
.mode = STA_CONTROL_MODIFY_MSK,
.station_flags = STA_FLG_PWR_SAVE_MSK,
.station_flags_msk = STA_FLG_PWR_SAVE_MSK,
.sta.sta_id = sta_id,
.sta.modify_mask = STA_MODIFY_SLEEP_TX_COUNT_MSK,
.sleep_tx_count = cpu_to_le16(cnt),
};
iwl_send_add_sta(priv, &cmd, CMD_ASYNC);
}

16
drivers/net/wireless/iwlwifi/iwl-mac80211.c
View File

@ -1505,17 +1505,13 @@ static int iwlagn_mac_sta_remove(struct ieee80211_hw *hw,
static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
{
unsigned long flags;
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.sta.modify_mask = 0;
priv->stations[sta_id].sta.sleep_tx_count = 0;
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
struct iwl_addsta_cmd cmd = {
.mode = STA_CONTROL_MODIFY_MSK,
.station_flags_msk = STA_FLG_PWR_SAVE_MSK,
.sta.sta_id = sta_id,
};
iwl_send_add_sta(priv, &cmd, CMD_ASYNC);
}
static void iwlagn_mac_sta_notify(struct ieee80211_hw *hw,