netdev: Add support for extended errors

src/netdev.c

@@ -974,8 +974,15 @@ static struct l_genl_msg *netdev_build_cmd_del_station(struct netdev *netdev,
 
 static void netdev_del_sta_cb(struct l_genl_msg *msg, void *user_data)
 {
-	if (l_genl_msg_get_error(msg) < 0)
+	int err = l_genl_msg_get_error(msg);
-		l_error("DEL_STATION failed: %i", l_genl_msg_get_error(msg));
+	const char *ext_error;
+
+	if (err >= 0)
+		return;
+
+	ext_error = l_genl_msg_get_extended_error(msg);
+	l_error("DEL_STATION failed: %s",
+			ext_error ? ext_error : strerror(-err));
 }
 
 int netdev_del_station(struct netdev *netdev, const uint8_t *sta,
@@ -1096,7 +1103,11 @@ static void netdev_set_station_cb(struct l_genl_msg *msg, void *user_data)
 		goto done;
 
 	if (err < 0) {
-		l_error("Set Station failed for ifindex %d", netdev->index);
+		const char *ext_error = l_genl_msg_get_extended_error(msg);
+
+		l_error("Set Station failed for ifindex %d:%s", netdev->index,
+				ext_error ? ext_error : strerror(-err));
+
 		netdev_setting_keys_failed(nhs, err);
 		return;
 	}
@@ -1114,8 +1125,12 @@ static void netdev_new_group_key_cb(struct l_genl_msg *msg, void *data)
 	nhs->group_new_key_cmd_id = 0;
 
 	if (err < 0) {
-		l_error("New Key for Group Key failed for ifindex: %d",
+		const char *ext_error = l_genl_msg_get_extended_error(msg);
-				netdev->index);
+
+		l_error("New Key for Group Key failed for ifindex: %d:%s",
+				netdev->index,
+				ext_error ? ext_error : strerror(-err));
+
 		netdev_setting_keys_failed(nhs, err);
 		return;
 	}
@@ -1134,8 +1149,12 @@ static void netdev_new_group_management_key_cb(struct l_genl_msg *msg,
 	nhs->group_management_new_key_cmd_id = 0;
 
 	if (err < 0) {
-		l_error("New Key for Group Mgmt failed for ifindex: %d",
+		const char *ext_error = l_genl_msg_get_extended_error(msg);
-				netdev->index);
+
+		l_error("New Key for Group Mgmt failed for ifindex: %d:%s",
+				netdev->index,
+				ext_error ? ext_error : strerror(-err));
+
 		netdev_setting_keys_failed(nhs, err);
 		return;
 	}
@@ -1303,8 +1322,11 @@ static void netdev_new_pairwise_key_cb(struct l_genl_msg *msg, void *data)
 	nhs->pairwise_new_key_cmd_id = 0;
 
 	if (err < 0) {
-		l_error("New Key for Pairwise Key failed for ifindex: %d",
+		const char *ext_error = l_genl_msg_get_extended_error(msg);
-					netdev->index);
+
+		l_error("New Key for Pairwise Key failed for ifindex: %d:%s",
+				netdev->index,
+				ext_error ? ext_error : strerror(-err));
 		goto error;
 	}
 
@@ -1540,11 +1562,16 @@ static void netdev_qos_map_cb(struct l_genl_msg *msg, void *user_data)
 {
 	struct netdev *netdev = user_data;
 	int err = l_genl_msg_get_error(msg);
-
+	const char *ext_error;
-	if (err < 0)
-		l_error("Could not set QoS Map in kernel: %d", err);
 
 	netdev->qos_map_cmd_id = 0;
+
+	if (err >= 0)
+		return;
+
+	ext_error = l_genl_msg_get_extended_error(msg);
+	l_error("Couuld not set QoS Map in kernel: %s",
+			ext_error ? ext_error : strerror(-err));
 }
 
 /*
@@ -3323,11 +3350,17 @@ static void netdev_neighbor_report_frame_event(const struct mmpdu_header *hdr,
 	l_timeout_remove(netdev->neighbor_report_timeout);
 }
 
-static void netdev_sa_query_resp_cb(struct l_genl_msg *msg,
+static void netdev_sa_query_resp_cb(struct l_genl_msg *msg, void *user_data)
-		void *user_data)
 {
-	if (l_genl_msg_get_error(msg) < 0)
+	int err = l_genl_msg_get_error(msg);
-		l_debug("error sending SA Query request");
+	const char *ext_error;
+
+	if (err >= 0)
+		return;
+
+	ext_error = l_genl_msg_get_extended_error(msg);
+	l_debug("error sending SA Query request: %s",
+			ext_error ? ext_error : strerror(-err));
 }
 
 static void netdev_sa_query_req_frame_event(const struct mmpdu_header *hdr,
@@ -3406,17 +3439,21 @@ static void netdev_sa_query_resp_frame_event(const struct mmpdu_header *hdr,
 	netdev->sa_query_timeout = NULL;
 }
 
-static void netdev_sa_query_req_cb(struct l_genl_msg *msg,
+static void netdev_sa_query_req_cb(struct l_genl_msg *msg, void *user_data)
-		void *user_data)
 {
 	struct netdev *netdev = user_data;
+	int err = l_genl_msg_get_error(msg);
+	const char *ext_error;
 
-	if (l_genl_msg_get_error(msg) < 0) {
+	if (err >= 0)
-		l_debug("error sending SA Query request");
+		return;
+
+	ext_error = l_genl_msg_get_extended_error(msg);
+	l_debug("error sending SA Query request: %s",
+			ext_error ? ext_error : strerror(-err));
 
 	l_timeout_remove(netdev->sa_query_timeout);
 	netdev->sa_query_timeout = NULL;
-	}
 }
 
 static void netdev_sa_query_timeout(struct l_timeout *timeout,
@@ -3720,14 +3757,15 @@ static struct l_genl_msg *netdev_build_control_port_frame(struct netdev *netdev,
 static void netdev_control_port_frame_cb(struct l_genl_msg *msg,
 							void *user_data)
 {
-	int err;
+	int err = l_genl_msg_get_error(msg);
+	const char *ext_error;
 
-	err = l_genl_msg_get_error(msg);
+	if (err >= 0)
+		return;
 
-	l_debug("%d", err);
+	ext_error = l_genl_msg_get_extended_error(msg);
-
+	l_error("CMD_CONTROL_PORT failed: %s",
-	if (err < 0)
+			ext_error ? ext_error : strerror(-err));
-		l_info("CMD_CONTROL_PORT failed: %s", strerror(-err));
 }
 
 static int netdev_control_port_write_pae(struct netdev *netdev,
@@ -3889,12 +3927,15 @@ static struct l_genl_msg *netdev_build_cmd_cqm_rssi_update(
 
 static void netdev_cmd_set_cqm_cb(struct l_genl_msg *msg, void *user_data)
 {
-	int r = l_genl_msg_get_error(msg);
+	int err = l_genl_msg_get_error(msg);
+	const char *ext_error;
 
-	if (!r)
+	if (err >= 0)
 		return;
 
-	l_error("CMD_SET_CQM failed: %d(%s)", r, strerror(-r));
+	ext_error = l_genl_msg_get_extended_error(msg);
+	l_error("CMD_SET_CQM failed: %s",
+			ext_error ? ext_error : strerror(-err));
 }
 
 int netdev_set_rssi_report_levels(struct netdev *netdev, const int8_t *levels,