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mac80211: send deauth when connection is lost

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If the driver determines the connection is lost,
send a deauth frame to the AP anyway just in case
it still considers the connection alive. The frame
might not go through, but at least we've tried.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-01-29 13:09:34 +01:00
parent 3f892b61a8
commit eef9e54ce8
1 changed files with 4 additions and 5 deletions
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9
net/mac80211/mlme.c
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@ -1827,8 +1827,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
} }
EXPORT_SYMBOL(ieee80211_ap_probereq_get); EXPORT_SYMBOL(ieee80211_ap_probereq_get);
static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata, static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
bool transmit_frame)
{ {
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local; struct ieee80211_local *local = sdata->local;
@ -1842,7 +1841,7 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
transmit_frame, frame_buf); true, frame_buf);
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED; ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
mutex_unlock(&ifmgd->mtx); mutex_unlock(&ifmgd->mtx);
@ -1876,7 +1875,7 @@ static void ieee80211_beacon_connection_loss_work(struct work_struct *work)
if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR) { if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR) {
sdata_info(sdata, "Connection to AP %pM lost\n", sdata_info(sdata, "Connection to AP %pM lost\n",
ifmgd->bssid); ifmgd->bssid);
__ieee80211_disconnect(sdata, false); __ieee80211_disconnect(sdata);
} else { } else {
ieee80211_mgd_probe_ap(sdata, true); ieee80211_mgd_probe_ap(sdata, true);
} }
@ -1890,7 +1889,7 @@ static void ieee80211_csa_connection_drop_work(struct work_struct *work)
ieee80211_wake_queues_by_reason(&sdata->local->hw, ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA); IEEE80211_QUEUE_STOP_REASON_CSA);
__ieee80211_disconnect(sdata, true); __ieee80211_disconnect(sdata);
} }
void ieee80211_beacon_loss(struct ieee80211_vif *vif) void ieee80211_beacon_loss(struct ieee80211_vif *vif)