mac80211: send deauth if connection was lost during suspend

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>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5e188a5..353b690 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2851,14 +2851,14 @@ static void ieee80211_sta_timer(unsigned long data)
 }
 
 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_if_managed *ifmgd = &sdata->u.mgd;
        u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
 
        ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason,
-                              false, frame_buf);
+                              tx, frame_buf);
        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",
                                         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))
                        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",
                                 bssid, probe_wait_ms);
                        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) {
                        mlme_dbg(sdata,
                                 "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);
 
                        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");
                ieee80211_sta_connection_lost(sdata,
                                              ifmgd->associated->bssid,
-                                             WLAN_REASON_UNSPECIFIED);
+                                             WLAN_REASON_UNSPECIFIED,
+                                             true);
                mutex_unlock(&ifmgd->mtx);
                return;
        }