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-rw-r--r--include/net/mac80211.h11
-rw-r--r--net/mac80211/ieee80211_i.h4
-rw-r--r--net/mac80211/mlme.c69
-rw-r--r--net/mac80211/trace.h23
4 files changed, 87 insertions, 20 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 2d01280c0564..95e8484eb4f1 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -5900,6 +5900,17 @@ void ieee80211_beacon_loss(struct ieee80211_vif *vif);
void ieee80211_connection_loss(struct ieee80211_vif *vif);
/**
+ * ieee80211_disconnect - request disconnection
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ * @reconnect: immediate reconnect is desired
+ *
+ * Request disconnection from the current network and, if enabled, send a
+ * hint to the higher layers that immediate reconnect is desired.
+ */
+void ieee80211_disconnect(struct ieee80211_vif *vif, bool reconnect);
+
+/**
* ieee80211_resume_disconnect - disconnect from AP after resume
*
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index cde2e3f4fbcd..cd8275e4b2cd 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -452,7 +452,9 @@ struct ieee80211_if_managed {
unsigned long probe_timeout;
int probe_send_count;
bool nullfunc_failed;
- bool connection_loss;
+ u8 connection_loss:1,
+ driver_disconnect:1,
+ reconnect:1;
struct cfg80211_bss *associated;
struct ieee80211_mgd_auth_data *auth_data;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5a2828dccfa5..3e124eee91d4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2732,7 +2732,7 @@ EXPORT_SYMBOL(ieee80211_ap_probereq_get);
static void ieee80211_report_disconnect(struct ieee80211_sub_if_data *sdata,
const u8 *buf, size_t len, bool tx,
- u16 reason)
+ u16 reason, bool reconnect)
{
struct ieee80211_event event = {
.type = MLME_EVENT,
@@ -2741,7 +2741,7 @@ static void ieee80211_report_disconnect(struct ieee80211_sub_if_data *sdata,
};
if (tx)
- cfg80211_tx_mlme_mgmt(sdata->dev, buf, len, false);
+ cfg80211_tx_mlme_mgmt(sdata->dev, buf, len, reconnect);
else
cfg80211_rx_mlme_mgmt(sdata->dev, buf, len);
@@ -2763,13 +2763,18 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
tx = !sdata->csa_block_tx;
- /* AP is probably out of range (or not reachable for another reason) so
- * remove the bss struct for that AP.
- */
- cfg80211_unlink_bss(local->hw.wiphy, ifmgd->associated);
+ if (!ifmgd->driver_disconnect) {
+ /*
+ * AP is probably out of range (or not reachable for another
+ * reason) so remove the bss struct for that AP.
+ */
+ cfg80211_unlink_bss(local->hw.wiphy, ifmgd->associated);
+ }
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ ifmgd->driver_disconnect ?
+ WLAN_REASON_DEAUTH_LEAVING :
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
tx, frame_buf);
mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
@@ -2782,7 +2787,9 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
mutex_unlock(&local->mtx);
ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), tx,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ ifmgd->reconnect);
+ ifmgd->reconnect = false;
sdata_unlock(sdata);
}
@@ -2801,6 +2808,13 @@ static void ieee80211_beacon_connection_loss_work(struct work_struct *work)
sdata_info(sdata, "Connection to AP %pM lost\n",
ifmgd->bssid);
__ieee80211_disconnect(sdata);
+ ifmgd->connection_loss = false;
+ } else if (ifmgd->driver_disconnect) {
+ sdata_info(sdata,
+ "Driver requested disconnection from AP %pM\n",
+ ifmgd->bssid);
+ __ieee80211_disconnect(sdata);
+ ifmgd->driver_disconnect = false;
} else {
ieee80211_mgd_probe_ap(sdata, true);
}
@@ -2839,6 +2853,21 @@ void ieee80211_connection_loss(struct ieee80211_vif *vif)
}
EXPORT_SYMBOL(ieee80211_connection_loss);
+void ieee80211_disconnect(struct ieee80211_vif *vif, bool reconnect)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_hw *hw = &sdata->local->hw;
+
+ trace_api_disconnect(sdata, reconnect);
+
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
+ return;
+
+ sdata->u.mgd.driver_disconnect = true;
+ sdata->u.mgd.reconnect = reconnect;
+ ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work);
+}
+EXPORT_SYMBOL(ieee80211_disconnect);
static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
bool assoc)
@@ -3142,7 +3171,7 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false,
- reason_code);
+ reason_code, false);
return;
}
@@ -3191,7 +3220,8 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
- ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false, reason_code);
+ ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false, reason_code,
+ false);
}
static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
@@ -4204,7 +4234,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
true, deauth_buf);
ieee80211_report_disconnect(sdata, deauth_buf,
sizeof(deauth_buf), true,
- WLAN_REASON_DEAUTH_LEAVING);
+ WLAN_REASON_DEAUTH_LEAVING,
+ false);
return;
}
@@ -4349,7 +4380,7 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
tx, frame_buf);
ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), true,
- reason);
+ reason, false);
}
static int ieee80211_auth(struct ieee80211_sub_if_data *sdata)
@@ -5436,7 +5467,8 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- WLAN_REASON_UNSPECIFIED);
+ WLAN_REASON_UNSPECIFIED,
+ false);
}
sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
@@ -5508,7 +5540,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- WLAN_REASON_UNSPECIFIED);
+ WLAN_REASON_UNSPECIFIED,
+ false);
}
if (ifmgd->auth_data && !ifmgd->auth_data->done) {
@@ -5807,7 +5840,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_destroy_auth_data(sdata, false);
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- req->reason_code);
+ req->reason_code, false);
return 0;
}
@@ -5827,7 +5860,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_destroy_assoc_data(sdata, false, true);
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- req->reason_code);
+ req->reason_code, false);
return 0;
}
@@ -5842,7 +5875,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
req->reason_code, tx, frame_buf);
ieee80211_report_disconnect(sdata, frame_buf,
sizeof(frame_buf), true,
- req->reason_code);
+ req->reason_code, false);
return 0;
}
@@ -5875,7 +5908,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
frame_buf);
ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), true,
- req->reason_code);
+ req->reason_code, false);
return 0;
}
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 89723907a094..601322e16957 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -2,7 +2,7 @@
/*
* Portions of this file
* Copyright(c) 2016-2017 Intel Deutschland GmbH
-* Copyright (C) 2018 - 2019 Intel Corporation
+* Copyright (C) 2018 - 2020 Intel Corporation
*/
#if !defined(__MAC80211_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
@@ -2086,6 +2086,27 @@ TRACE_EVENT(api_connection_loss,
)
);
+TRACE_EVENT(api_disconnect,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata, bool reconnect),
+
+ TP_ARGS(sdata, reconnect),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __field(int, reconnect)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ __entry->reconnect = reconnect;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " reconnect:%d",
+ VIF_PR_ARG, __entry->reconnect
+ )
+);
+
TRACE_EVENT(api_cqm_rssi_notify,
TP_PROTO(struct ieee80211_sub_if_data *sdata,
enum nl80211_cqm_rssi_threshold_event rssi_event,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-28 19:12:18 +0300