diff options
| author | Alexander Bondar <alexander.bondar@intel.com> | 2013-06-03 14:29:33 (GMT) |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-06-05 06:52:47 (GMT) |
| commit | 482a9c74fa17c5d584995c19e1a36eaf710d1193 (patch) | |
| tree | b75dca5fc3f09a9e682cafe083a48ba21bf8ddd7 /net/mac80211/mlme.c | |
| parent | 9b881963c1c81f965f89a3e89b1aa5557f67ee30 (diff) | |
| download | linux-482a9c74fa17c5d584995c19e1a36eaf710d1193.tar.xz | |
mac80211: fix powersave bug and clean up ieee80211_rx_bss_info
ieee80211_rx_bss_info() deals with dtim_period setting and PS update
when associated. Move all these to another locations cleaning this
function. Also, the current implementation is buggy because when it
calls ieee80211_recalc_ps() bss_conf->dtim_period is notset properly
yet and thus nothing will happen.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mlme.c')
| -rw-r--r-- | net/mac80211/mlme.c | 30 |
1 files changed, 9 insertions, 21 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index df8170a..aa5cd2e 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2737,24 +2737,9 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, int freq; struct ieee80211_bss *bss; struct ieee80211_channel *channel; - bool need_ps = false; sdata_assert_lock(sdata); - if ((sdata->u.mgd.associated && - ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid)) || - (sdata->u.mgd.assoc_data && - ether_addr_equal(mgmt->bssid, - sdata->u.mgd.assoc_data->bss->bssid))) { - /* not previously set so we may need to recalc */ - need_ps = sdata->u.mgd.associated && !sdata->u.mgd.dtim_period; - - if (elems->tim && !elems->parse_error) { - const struct ieee80211_tim_ie *tim_ie = elems->tim; - sdata->u.mgd.dtim_period = tim_ie->dtim_period; - } - } - if (elems->ds_params) freq = ieee80211_channel_to_frequency(elems->ds_params[0], rx_status->band); @@ -2775,12 +2760,6 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, !ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid)) return; - if (need_ps) { - mutex_lock(&local->iflist_mtx); - ieee80211_recalc_ps(local, -1); - mutex_unlock(&local->iflist_mtx); - } - ieee80211_sta_process_chanswitch(sdata, rx_status->mactime, elems, true); @@ -2894,6 +2873,10 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, len - baselen, false, &elems); ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems); + if (elems.tim && !elems.parse_error) { + const struct ieee80211_tim_ie *tim_ie = elems.tim; + ifmgd->dtim_period = tim_ie->dtim_period; + } ifmgd->assoc_data->have_beacon = true; ifmgd->assoc_data->need_beacon = false; if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) { @@ -3096,6 +3079,11 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, } changed |= BSS_CHANGED_DTIM_PERIOD; + + mutex_lock(&local->iflist_mtx); + ieee80211_recalc_ps(local, -1); + mutex_unlock(&local->iflist_mtx); + ieee80211_recalc_ps_vif(sdata); } |