X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=vlan.c;h=067f6245bf487f3661d49cd787017edadccfedec;hp=85fe078eb118f11bf0f6007d2819bbc801105663;hb=HEAD;hpb=170304603e7d905e98301c703ad2ec107b9a774c diff --git a/vlan.c b/vlan.c index 85fe078..067f624 100644 --- a/vlan.c +++ b/vlan.c @@ -1,3 +1,16 @@ +/* + * netifd - network interface daemon + * Copyright (C) 2012 Felix Fietkau + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ #include #include #include @@ -32,33 +45,49 @@ static int vlan_set_device_state(struct device *dev, bool up) if (!up) { vldev->set_state(dev, false); system_vlan_del(dev); - release_device(vldev->dep.dev); + device_release(&vldev->dep); return 0; } - ret = device_claim(vldev->dep.dev); - if (ret) + ret = device_claim(&vldev->dep); + if (ret < 0) return ret; system_vlan_add(vldev->dep.dev, vldev->id); ret = vldev->set_state(dev, true); if (ret) - release_device(vldev->dep.dev); + device_release(&vldev->dep); return ret; } +static void vlan_dev_set_name(struct vlan_device *vldev, struct device *dev) +{ + char name[IFNAMSIZ]; + + vldev->dev.hidden = dev->hidden; + snprintf(name, IFNAMSIZ, "%s.%d", dev->ifname, vldev->id); + device_set_ifname(&vldev->dev, name); +} + 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_UPDATE_IFNAME: + vlan_dev_set_name(vldev, dep->dev); + break; + case DEV_EVENT_TOPO_CHANGE: + /* Propagate topo changes */ + device_broadcast_event(&vldev->dev, DEV_EVENT_TOPO_CHANGE); break; default: break; @@ -67,15 +96,16 @@ static void vlan_dev_cb(struct device_user *dep, enum device_event ev) static struct device *get_vlan_device(struct device *dev, int id, bool create) { - static const struct device_type vlan_type = { + static struct device_type vlan_type = { .name = "VLAN", + .config_params = &device_attr_list, .free = free_vlan_if, }; struct vlan_device *vldev; struct device_user *dep; /* look for an existing interface before creating a new one */ - list_for_each_entry(dep, &dev->users, list) { + list_for_each_entry(dep, &dev->users.list, list.list) { if (dep->cb != vlan_dev_cb) continue; @@ -89,16 +119,22 @@ 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)); - snprintf(vldev->dev.ifname, IFNAMSIZ, "%s.%d", dev->ifname, id); + if (!vldev) + return NULL; + + vldev->id = id; device_init(&vldev->dev, &vlan_type, NULL); + vlan_dev_set_name(vldev, dev); + vldev->dev.default_config = true; + vldev->set_state = vldev->dev.set_state; vldev->dev.set_state = vlan_set_device_state; - vldev->id = id; - vldev->dep.cb = vlan_dev_cb; device_add_user(&vldev->dep, dev); @@ -120,7 +156,7 @@ out: struct device *get_vlan_device_chain(const char *ifname, bool create) { - struct device *iface = NULL; + struct device *dev = NULL; char *buf, *s, *next, *err = NULL; int id; @@ -129,8 +165,8 @@ struct device *get_vlan_device_chain(const char *ifname, bool create) return NULL; s = split_vlan(buf); - iface = device_get(buf, create); - if (!iface && !create) + dev = device_get(buf, create); + if (!dev) goto error; do { @@ -139,8 +175,8 @@ struct device *get_vlan_device_chain(const char *ifname, bool create) if (err && *err) goto error; - iface = get_vlan_device(iface, id, create); - if (!iface) + dev = get_vlan_device(dev, id, create); + if (!dev) goto error; s = next; @@ -149,8 +185,8 @@ struct device *get_vlan_device_chain(const char *ifname, bool create) } while (1); error: - iface = NULL; + dev = NULL; out: free(buf); - return iface; + return dev; }