diff options
| author |   Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2010-03-09 14:25:02 +0200 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2010-03-10 16:29:10 -0500 |
| commit | 2a13052fe495948e572839e514e0e0cd236c50b0 (patch) | |
| tree | 7a15b095d5dc57fb21ea789439851205e2865349 /net/mac80211 | |
| parent | ipw2200: use kmalloc for large local variables (diff) | |
| download | linux-dev-2a13052fe495948e572839e514e0e0cd236c50b0.tar.xz linux-dev-2a13052fe495948e572839e514e0e0cd236c50b0.zip | |
mac80211: Fix (dynamic) power save entry
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 <juuso.oikarinen@nokia.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/mlme.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 0ab284c32135..be5f723d643a 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -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; |