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mac80211: send deauth if connection was lost during suspend

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If the driver determined the connection was lost or that
it couldn't securely maintain the connection when coming
out of WoWLAN, send a deauth frame to the AP to also let
it know.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-01-29 11:35:29 +01:00
parent e54faf29e0
commit 6b684db1db
1 changed files with 8 additions and 6 deletions
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14
net/mac80211/mlme.c
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@ -2851,14 +2851,14 @@ static void ieee80211_sta_timer(unsigned long data)
} }
static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
u8 *bssid, u8 reason) u8 *bssid, u8 reason, bool tx)
{ {
struct ieee80211_local *local = sdata->local; struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN]; u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason, ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason,
false, frame_buf); tx, frame_buf);
mutex_unlock(&ifmgd->mtx); mutex_unlock(&ifmgd->mtx);
/* /*
@ -3107,7 +3107,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
"No ack for nullfunc frame to AP %pM, disconnecting.\n", "No ack for nullfunc frame to AP %pM, disconnecting.\n",
bssid); bssid);
ieee80211_sta_connection_lost(sdata, bssid, ieee80211_sta_connection_lost(sdata, bssid,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
false);
} }
} else if (time_is_after_jiffies(ifmgd->probe_timeout)) } else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(ifmgd, ifmgd->probe_timeout); run_again(ifmgd, ifmgd->probe_timeout);
@ -3116,7 +3117,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
"Failed to send nullfunc to AP %pM after %dms, disconnecting\n", "Failed to send nullfunc to AP %pM after %dms, disconnecting\n",
bssid, probe_wait_ms); bssid, probe_wait_ms);
ieee80211_sta_connection_lost(sdata, bssid, ieee80211_sta_connection_lost(sdata, bssid,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, false);
} else if (ifmgd->probe_send_count < max_tries) { } else if (ifmgd->probe_send_count < max_tries) {
mlme_dbg(sdata, mlme_dbg(sdata,
"No probe response from AP %pM after %dms, try %d/%i\n", "No probe response from AP %pM after %dms, try %d/%i\n",
@ -3135,7 +3136,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
bssid, probe_wait_ms); bssid, probe_wait_ms);
ieee80211_sta_connection_lost(sdata, bssid, ieee80211_sta_connection_lost(sdata, bssid,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, false);
} }
} }
@ -3242,7 +3243,8 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
mlme_dbg(sdata, "driver requested disconnect after resume\n"); mlme_dbg(sdata, "driver requested disconnect after resume\n");
ieee80211_sta_connection_lost(sdata, ieee80211_sta_connection_lost(sdata,
ifmgd->associated->bssid, ifmgd->associated->bssid,
WLAN_REASON_UNSPECIFIED); WLAN_REASON_UNSPECIFIED,
true);
mutex_unlock(&ifmgd->mtx); mutex_unlock(&ifmgd->mtx);
return; return;
} }