From f35b76c61baf68dc5dd8440fc06d860f8dfacc44 Mon Sep 17 00:00:00 2001 From: Hans Dedecker Date: Tue, 11 Feb 2014 08:30:51 +0000 Subject: netifd: Link layer state awareness support on interface level The link layer state is monitored for a given interface; an interface will be setup when both enabled and link layer active. Likewise an interface will be teared down when either disabled or link layer down. Signed-off-by: Hans Dedecker --- vlan.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'vlan.c') diff --git a/vlan.c b/vlan.c index f70420a..9201979 100644 --- a/vlan.c +++ b/vlan.c @@ -70,14 +70,19 @@ static void vlan_dev_set_name(struct vlan_device *vldev, struct device *dev) static void vlan_dev_cb(struct device_user *dep, enum device_event ev) { struct vlan_device *vldev; + bool new_state = false; vldev = container_of(dep, struct vlan_device, dep); switch(ev) { case DEV_EVENT_ADD: - device_set_present(&vldev->dev, true); - break; + new_state = true; case DEV_EVENT_REMOVE: - device_set_present(&vldev->dev, false); + device_set_present(&vldev->dev, new_state); + break; + case DEV_EVENT_LINK_UP: + new_state = true; + case DEV_EVENT_LINK_DOWN: + device_set_link(&vldev->dev, new_state); break; case DEV_EVENT_UPDATE_IFNAME: vlan_dev_set_name(vldev, dep->dev); @@ -113,6 +118,8 @@ static struct device *get_vlan_device(struct device *dev, int id, bool create) if (!create) return NULL; + D(DEVICE, "Create vlan device '%s.%d'\n", dev->ifname, id); + vldev = calloc(1, sizeof(*vldev)); vldev->id = id; -- cgit v1.2.1