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mac80211: call ieee80211_recalc_idle() after sending packets 

Some drivers (e.g. ath9k) assume that it's safe to go into low-power mode
immediately after the idle state changes. To support that, mac80211 even
calls drv_flush() before that happens.
In some instances, mac80211 sent a packet right after recalculating the
idle state, this patch fixes that.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-11-16 13:34:55 +01:00 committed by John W. Linville
parent 1f80c230a7
commit fcac4fb00e
2 changed files with 11 additions and 8 deletions
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15
net/mac80211/mlme.c
View File

@ -1357,9 +1357,6 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
ieee80211_set_disassoc(sdata, true, true);
mutex_unlock(&ifmgd->mtx);
mutex_lock(&local->mtx);
ieee80211_recalc_idle(local);
mutex_unlock(&local->mtx);
/*
* must be outside lock due to cfg80211,
* but that's not a problem.
@ -1368,6 +1365,10 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
NULL, true);
mutex_lock(&local->mtx);
ieee80211_recalc_idle(local);
mutex_unlock(&local->mtx);
}
void ieee80211_beacon_connection_loss_work(struct work_struct *work)
@ -2134,9 +2135,6 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, true, true);
mutex_unlock(&ifmgd->mtx);
mutex_lock(&local->mtx);
ieee80211_recalc_idle(local);
mutex_unlock(&local->mtx);
/*
* must be outside lock due to cfg80211,
* but that's not a problem.
@ -2144,6 +2142,11 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
ieee80211_send_deauth_disassoc(sdata, bssid,
IEEE80211_STYPE_DEAUTH, reason,
NULL, true);
mutex_lock(&local->mtx);
ieee80211_recalc_idle(local);
mutex_unlock(&local->mtx);
mutex_lock(&ifmgd->mtx);
}

4
net/mac80211/offchannel.c
View File

@ -211,8 +211,6 @@ static void ieee80211_hw_roc_start(struct work_struct *work)
return;
}
ieee80211_recalc_idle(local);
if (local->hw_roc_skb) {
sdata = IEEE80211_DEV_TO_SUB_IF(local->hw_roc_dev);
ieee80211_tx_skb(sdata, local->hw_roc_skb);
@ -226,6 +224,8 @@ static void ieee80211_hw_roc_start(struct work_struct *work)
GFP_KERNEL);
}
ieee80211_recalc_idle(local);
mutex_unlock(&local->mtx);
}