netdev: add NETDEV_RESULT_DISCONNECTED

This new result is meant to handle cases where a disconnect
event (deauth/disassoc) was received during an ongoing connection.
Whether that's during authentication, association, the 4-way
handshake, or key setting.

src/netdev.h

@@ -36,6 +36,7 @@ enum netdev_result {
 	NETDEV_RESULT_HANDSHAKE_FAILED,
 	NETDEV_RESULT_KEY_SETTING_FAILED,
 	NETDEV_RESULT_ABORTED,
+	NETDEV_RESULT_DISCONNECTED,
 };
 
 enum netdev_event {
@@ -86,6 +87,7 @@ typedef void (*netdev_command_cb_t)(struct netdev *netdev, int result,
  * NETDEV_RESULT_HANDSHAKE_FAILED - MMPDU_REASON_CODE
  * NETDEV_RESULT_KEY_SETTING_FAILED - unused
  * NETDEV_RESULT_ABORTED - unused.
+ * NETDEV_RESULT_DISCONNECTED - MMPDU_REASON_CODE
  */
 typedef void (*netdev_connect_cb_t)(struct netdev *netdev,
 					enum netdev_result result,

src/p2p.c

@@ -1366,6 +1366,7 @@ static void p2p_netdev_connect_cb(struct netdev *netdev,
 	case NETDEV_RESULT_ASSOCIATION_FAILED:
 	case NETDEV_RESULT_HANDSHAKE_FAILED:
 	case NETDEV_RESULT_KEY_SETTING_FAILED:
+	case NETDEV_RESULT_DISCONNECTED:
 		/*
 		 * In the AUTHENTICATION_FAILED and ASSOCIATION_FAILED
 		 * cases there's nothing to disconnect.  In the

src/station.c

@@ -3319,6 +3319,7 @@ static void station_connect_cb(struct netdev *netdev, enum netdev_result result,
 		blacklist_remove_bss(station->connected_bss->addr);
 		station_connect_ok(station);
 		return;
+	case NETDEV_RESULT_DISCONNECTED:
 	case NETDEV_RESULT_HANDSHAKE_FAILED:
 		/* reason code in this case */
 		if (station_retry_with_reason(station, l_get_u16(event_data)))