diff options
Diffstat (limited to 'net/mac80211/mlme.c')
| -rw-r--r-- | net/mac80211/mlme.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index cc984bd861cf..64d92d5a7f40 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -613,6 +613,37 @@ static void ieee80211_change_ps(struct ieee80211_local *local) } } +static bool ieee80211_powersave_allowed(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_if_managed *mgd = &sdata->u.mgd; + struct sta_info *sta = NULL; + u32 sta_flags = 0; + + if (!mgd->powersave) + return false; + + if (!mgd->associated) + return false; + + if (!mgd->associated->beacon_ies) + return false; + + if (mgd->flags & (IEEE80211_STA_BEACON_POLL | + IEEE80211_STA_CONNECTION_POLL)) + return false; + + rcu_read_lock(); + sta = sta_info_get(sdata, mgd->bssid); + if (sta) + sta_flags = get_sta_flags(sta); + rcu_read_unlock(); + + if (!(sta_flags & WLAN_STA_AUTHORIZED)) + return false; + + return true; +} + /* need to hold RTNL or interface lock */ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency) { @@ -647,11 +678,7 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency) count++; } - if (count == 1 && found->u.mgd.powersave && - found->u.mgd.associated && - found->u.mgd.associated->beacon_ies && - !(found->u.mgd.flags & (IEEE80211_STA_BEACON_POLL | - IEEE80211_STA_CONNECTION_POLL))) { + if (count == 1 && ieee80211_powersave_allowed(found)) { struct ieee80211_conf *conf = &local->hw.conf; s32 beaconint_us; |