Report connection timeouts in CTRL-EVENT-ASSOC-REJECT

Add a new "timeout" argument to the event message if the nl80211 message
indicates that the connection failure is not due to an explicit AP
rejection message. This makes it easier for external programs to figure
out why the connection failed.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

src/drivers/driver.h

@@ -4429,6 +4429,12 @@ union wpa_event_data {
 		 * status_code - Status Code from (Re)association Response
 		 */
 		u16 status_code;
+
+		/**
+		 * timed_out - Whether failure is due to timeout (etc.) rather
+		 * than explicit rejection response from the AP.
+		 */
+		int timed_out;
 	} assoc_reject;
 
 	struct timeout_event {

src/drivers/driver_nl80211_event.c

@@ -265,6 +265,7 @@ static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
 			       enum nl80211_commands cmd, struct nlattr *status,
 			       struct nlattr *addr, struct nlattr *req_ie,
 			       struct nlattr *resp_ie,
+			       struct nlattr *timed_out,
 			       struct nlattr *authorized,
 			       struct nlattr *key_replay_ctr,
 			       struct nlattr *ptk_kck,
@@ -322,6 +323,7 @@ static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
 			event.assoc_reject.resp_ies_len = nla_len(resp_ie);
 		}
 		event.assoc_reject.status_code = status_code;
+		event.assoc_reject.timed_out = timed_out != NULL;
 		wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
 		return;
 	}
@@ -1644,6 +1646,7 @@ static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
+			   NULL,
 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
@@ -2132,6 +2135,7 @@ static void do_process_drv_event(struct i802_bss *bss, int cmd,
 				   tb[NL80211_ATTR_MAC],
 				   tb[NL80211_ATTR_REQ_IE],
 				   tb[NL80211_ATTR_RESP_IE],
+				   tb[NL80211_ATTR_TIMED_OUT],
 				   NULL, NULL, NULL, NULL, NULL);
 		break;
 	case NL80211_CMD_CH_SWITCH_NOTIFY:

wpa_supplicant/events.c

@@ -3544,13 +3544,15 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 	case EVENT_ASSOC_REJECT:
 		if (data->assoc_reject.bssid)
 			wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
-				"bssid=" MACSTR	" status_code=%u",
+				"bssid=" MACSTR	" status_code=%u%s",
 				MAC2STR(data->assoc_reject.bssid),
-				data->assoc_reject.status_code);
+				data->assoc_reject.status_code,
+				data->assoc_reject.timed_out ? " timeout" : "");
 		else
 			wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
-				"status_code=%u",
-				data->assoc_reject.status_code);
+				"status_code=%u%s",
+				data->assoc_reject.status_code,
+				data->assoc_reject.timed_out ? " timeout" : "");
 		wpa_s->assoc_status_code = data->assoc_reject.status_code;
 		wpas_notify_assoc_status_code(wpa_s);
 		if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)