From 530d9f3cb5137a36ad33d86fb52f94dde81208f4 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 27 Mar 2011 19:08:24 +0200
Subject: [PATCH] add a callback for dumping device status information

---
 device.h | 1 +
 ubus.c   | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/device.h b/device.h
index bf93ebc..9ceeff5 100644
--- a/device.h
+++ b/device.h
@@ -11,6 +11,7 @@ typedef int (*device_state_cb)(struct device *, bool up);
 struct device_type {
 	const char *name;
 
+	void (*dump_status)(struct device *, struct blob_buf *buf);
 	int (*check_state)(struct device *);
 	void (*free)(struct device *);
 };
diff --git a/ubus.c b/ubus.c
index 0723300..2bb42f1 100644
--- a/ubus.c
+++ b/ubus.c
@@ -151,6 +151,9 @@ static int netifd_handle_status(struct ubus_context *ctx, struct ubus_object *ob
 		else
 			/* use a different field for virtual devices */
 			blobmsg_add_string(&b, "link", dev->ifname);
+
+		if (dev->type->dump_status)
+			dev->type->dump_status(dev, &b);
 	}
 
 	ubus_send_reply(ctx, req, b.head);
-- 
2.11.0