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mac80211: Fix (dynamic) power save entry

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Currently hardware with !IEEE80211_HW_PS_NULLFUNC_STACK and
IEEE80211_HW_REPORTS_TX_ACK_STATUS will never enter PSM due to the
conditions in the power save entry functions.

Fix those conditions.

Signed-off-by: Juuso Oikarinen <[email protected]>
Cc: [email protected]
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Juuso Oikarinen 2010-03-09 14:25:02 +02:00 • committed by John W. Linville
commit 2a13052fe4
1 changed files with 8 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

13
net/mac80211/mlme.c
View file

@ -436,10 +436,12 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
ieee80211_send_nullfunc(local, sdata, 1);
if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
conf->flags |= IEEE80211_CONF_PS;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
return;
conf->flags |= IEEE80211_CONF_PS;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
}
@ -558,7 +560,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
(!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)))
ieee80211_send_nullfunc(local, sdata, 1);
if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) ||
if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
local->hw.conf.flags |= IEEE80211_CONF_PS;