netifd: Link layer state awareness support on device level

[project/netifd.git] / device.c

diff --git a/device.c b/device.c
index feeb290..6a770ac 100644 (file)
--- a/device.c
+++ b/device.c
@@ -211,7 +211,7 @@ int device_claim(struct device_user *dep)
                return 0;
 
        dep->claimed = true;
-       D(DEVICE, "Claim %s %s, new refcount: %d\n", dev->type->name, dev->ifname, dev->active + 1);
+       D(DEVICE, "Claim %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active + 1);
        if (++dev->active != 1)
                return 0;
 
@@ -237,7 +237,7 @@ void device_release(struct device_user *dep)
 
        dep->claimed = false;
        dev->active--;
-       D(DEVICE, "Release %s %s, new refcount: %d\n", dev->type->name, dev->ifname, dev->active);
+       D(DEVICE, "Release %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active);
        assert(dev->active >= 0);
 
        if (dev->active)
@@ -394,6 +394,26 @@ void device_set_present(struct device *dev, bool state)
        device_refresh_present(dev);
 }
 
+void device_set_link(struct device *dev, bool state)
+{
+       if (dev->link_active == state)
+               return;
+
+       netifd_log_message(L_NOTICE, "%s '%s' link is %s\n", dev->type->name, dev->ifname, state ? "up" : "down" );
+
+       dev->link_active = state;
+       device_broadcast_event(dev, state ? DEV_EVENT_LINK_UP : DEV_EVENT_LINK_DOWN);
+}
+
+void device_set_ifindex(struct device *dev, int ifindex)
+{
+       if (dev->ifindex == ifindex)
+               return;
+
+       dev->ifindex = ifindex;
+       device_broadcast_event(dev, DEV_EVENT_UPDATE_IFINDEX);
+}
+
 static int device_refcount(struct device *dev)
 {
        struct list_head *list;
@@ -435,6 +455,9 @@ void device_add_user(struct device_user *dep, struct device *dev)
                dep->cb(dep, DEV_EVENT_ADD);
                if (dev->active)
                        dep->cb(dep, DEV_EVENT_UP);
+
+               if (dev->link_active)
+                       dep->cb(dep, DEV_EVENT_LINK_UP);
        }
 }
 
@@ -667,6 +690,8 @@ device_dump_status(struct blob_buf *b, struct device *dev)
                return;
 
        blobmsg_add_u8(b, "up", !!dev->active);
+       blobmsg_add_u8(b, "carrier", !!dev->link_active);
+
        if (dev->type->dump_info)
                dev->type->dump_info(dev, b);
        else