add rx/tx bytes to status output

wifimngr.c

@@ -230,6 +230,7 @@ static int wl_status(struct ubus_context *ctx, struct ubus_object *obj,
 	char cpr_buf[32] = {0};
 	struct bss b;
 	struct blob_buf bb;
+	struct wifi_ap_stats ap_stats;
 
 	memset(&bb, 0, sizeof(bb));
 	blobmsg_parse(wl_vif_policy, __WL_MAX, tb, blob_data(msg), blob_len(msg));
@@ -283,6 +284,12 @@ static int wl_status(struct ubus_context *ctx, struct ubus_object *obj,
 		blobmsg_add_u32(&bb, "bssload", b.load.utilization);
 	}
 
+	memset(&ap_stats, 0, sizeof(struct wifi_ap_stats));
+	wifi_get_ap_stats(wldev, &ap_stats);
+
+	blobmsg_add_u32(&bb, "rx_bytes", ap_stats.rx_bytes);
+	blobmsg_add_u32(&bb, "tx_bytes", ap_stats.tx_bytes);
+
 	ubus_send_reply(ctx, req, bb.head);
 	blob_buf_free(&bb);