device: add ubus event for link state change

Add a ubus event network.device for link state change to generate an event when the link goes up and down. The event looks as follows: { "network.device": {"ifname":"eth3","link":"down"} } Signed-off-by: Rahul Thakur <[email protected]>
openwrt · Mar 20, 2024 · 94625c0 · 94625c0
1 parent 841b05f
commit 94625c0
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diff --git a/device.c b/device.c
@@ -946,6 +946,7 @@ void device_set_link(struct device *dev, bool state)
 	if (!state)
 		dev->auth_status = false;
 	device_broadcast_event(dev, state ? DEV_EVENT_LINK_UP : DEV_EVENT_LINK_DOWN);
+	netifd_ubus_device_event(dev, state);
 }
 
 void device_set_ifindex(struct device *dev, int ifindex)

diff --git a/ubus.c b/ubus.c
@@ -1402,6 +1402,15 @@ netifd_ubus_interface_event(struct interface *iface, bool up)
 	ubus_send_event(ubus_ctx, "network.interface", b.head);
 }
 
+void
+netifd_ubus_device_event(struct device *dev, bool state)
+{
+	blob_buf_init(&b, 0);
+	blobmsg_add_string(&b, "ifname", dev->ifname);
+	blobmsg_add_string(&b, "link", state? "up" : "down");
+	ubus_send_event(ubus_ctx, "network.device", b.head);
+}
+
 void
 netifd_ubus_interface_notify(struct interface *iface, bool up)
 {

diff --git a/ubus.h b/ubus.h
@@ -26,5 +26,6 @@ void netifd_ubus_remove_interface(struct interface *iface);
 void netifd_ubus_interface_event(struct interface *iface, bool up);
 void netifd_ubus_interface_notify(struct interface *iface, bool up);
 void netifd_ubus_device_notify(const char *event, struct blob_attr *data, int timeout);
+void netifd_ubus_device_event(struct device *dev, bool state);
 
 #endif