2 * netifd - network interface daemon
3 * Copyright (C) 2014 Gioacchino Mazzurco <gio@eigenlab.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
19 #include "interface.h"
29 static const struct blobmsg_policy vlandev_attrs[__VLANDEV_ATTR_MAX] = {
30 [VLANDEV_ATTR_TYPE] = { "type", BLOBMSG_TYPE_STRING },
31 [VLANDEV_ATTR_IFNAME] = { "ifname", BLOBMSG_TYPE_STRING },
32 [VLANDEV_ATTR_VID] = { "vid", BLOBMSG_TYPE_INT32 },
35 static const struct uci_blob_param_list vlandev_attr_list = {
36 .n_params = __VLANDEV_ATTR_MAX,
37 .params = vlandev_attrs,
40 .next = { &device_attr_list },
43 struct vlandev_device {
45 struct device_user parent;
47 device_state_cb set_state;
49 struct blob_attr *config_data;
50 struct blob_attr *ifname;
51 struct vlandev_config config;
55 vlandev_base_cb(struct device_user *dev, enum device_event ev)
57 struct vlandev_device *mvdev = container_of(dev, struct vlandev_device, parent);
61 device_set_present(&mvdev->dev, true);
63 case DEV_EVENT_REMOVE:
64 device_set_present(&mvdev->dev, false);
66 case DEV_EVENT_LINK_UP:
67 device_set_link(&mvdev->dev, true);
69 case DEV_EVENT_LINK_DOWN:
70 device_set_link(&mvdev->dev, false);
78 vlandev_set_down(struct vlandev_device *mvdev)
80 mvdev->set_state(&mvdev->dev, false);
81 system_vlandev_del(&mvdev->dev);
82 device_release(&mvdev->parent);
88 vlandev_set_up(struct vlandev_device *mvdev)
92 ret = device_claim(&mvdev->parent);
96 ret = system_vlandev_add(&mvdev->dev, mvdev->parent.dev, &mvdev->config);
100 ret = mvdev->set_state(&mvdev->dev, true);
107 system_vlandev_del(&mvdev->dev);
109 device_release(&mvdev->parent);
114 vlandev_set_state(struct device *dev, bool up)
116 struct vlandev_device *mvdev;
118 D(SYSTEM, "vlandev_set_state(%s, %u)\n", dev->ifname, up);
120 mvdev = container_of(dev, struct vlandev_device, dev);
122 return vlandev_set_up(mvdev);
124 return vlandev_set_down(mvdev);
128 vlandev_free(struct device *dev)
130 struct vlandev_device *mvdev;
132 mvdev = container_of(dev, struct vlandev_device, dev);
133 device_remove_user(&mvdev->parent);
134 free(mvdev->config_data);
139 vlandev_dump_info(struct device *dev, struct blob_buf *b)
141 struct vlandev_device *mvdev;
143 mvdev = container_of(dev, struct vlandev_device, dev);
144 blobmsg_add_string(b, "parent", mvdev->parent.dev->ifname);
145 system_if_dump_info(dev, b);
149 vlandev_config_init(struct device *dev)
151 struct vlandev_device *mvdev;
152 struct device *basedev = NULL;
154 mvdev = container_of(dev, struct vlandev_device, dev);
156 basedev = device_get(blobmsg_data(mvdev->ifname), true);
158 device_add_user(&mvdev->parent, basedev);
162 vlandev_apply_settings(struct vlandev_device *mvdev, struct blob_attr **tb)
164 struct vlandev_config *cfg = &mvdev->config;
165 struct blob_attr *cur;
167 cfg->proto = VLAN_PROTO_8021Q;
170 if ((cur = tb[VLANDEV_ATTR_TYPE]))
172 if(!strcmp(blobmsg_data(cur), "8021ad"))
173 cfg->proto = VLAN_PROTO_8021AD;
176 if ((cur = tb[VLANDEV_ATTR_VID]))
177 cfg->vid = (uint16_t) blobmsg_get_u32(cur);
180 static enum dev_change_type
181 vlandev_reload(struct device *dev, struct blob_attr *attr)
183 struct blob_attr *tb_dev[__DEV_ATTR_MAX];
184 struct blob_attr *tb_mv[__VLANDEV_ATTR_MAX];
185 enum dev_change_type ret = DEV_CONFIG_APPLIED;
186 struct vlandev_device *mvdev;
188 mvdev = container_of(dev, struct vlandev_device, dev);
189 attr = blob_memdup(attr);
191 blobmsg_parse(device_attr_list.params, __DEV_ATTR_MAX, tb_dev,
192 blob_data(attr), blob_len(attr));
193 blobmsg_parse(vlandev_attrs, __VLANDEV_ATTR_MAX, tb_mv,
194 blob_data(attr), blob_len(attr));
196 device_init_settings(dev, tb_dev);
197 vlandev_apply_settings(mvdev, tb_mv);
198 mvdev->ifname = tb_mv[VLANDEV_ATTR_IFNAME];
200 if (mvdev->config_data) {
201 struct blob_attr *otb_dev[__DEV_ATTR_MAX];
202 struct blob_attr *otb_mv[__VLANDEV_ATTR_MAX];
204 blobmsg_parse(device_attr_list.params, __DEV_ATTR_MAX, otb_dev,
205 blob_data(mvdev->config_data), blob_len(mvdev->config_data));
207 if (uci_blob_diff(tb_dev, otb_dev, &device_attr_list, NULL))
208 ret = DEV_CONFIG_RESTART;
210 blobmsg_parse(vlandev_attrs, __VLANDEV_ATTR_MAX, otb_mv,
211 blob_data(mvdev->config_data), blob_len(mvdev->config_data));
213 if (uci_blob_diff(tb_mv, otb_mv, &vlandev_attr_list, NULL))
214 ret = DEV_CONFIG_RESTART;
216 vlandev_config_init(dev);
219 free(mvdev->config_data);
220 mvdev->config_data = attr;
224 static struct device *
225 vlandev_create(const char *name, struct blob_attr *attr)
227 struct vlandev_device *mvdev;
228 struct device *dev = NULL;
230 mvdev = calloc(1, sizeof(*mvdev));
235 device_init(dev, &vlandev_device_type, name);
236 dev->config_pending = true;
238 mvdev->set_state = dev->set_state;
239 dev->set_state = vlandev_set_state;
241 dev->hotplug_ops = NULL;
242 mvdev->parent.cb = vlandev_base_cb;
244 vlandev_reload(dev, attr);
249 const struct device_type vlandev_device_type = {
251 .config_params = &vlandev_attr_list,
252 .keep_link_status = true,
254 .create = vlandev_create,
255 .config_init = vlandev_config_init,
256 .reload = vlandev_reload,
257 .free = vlandev_free,
258 .dump_info = vlandev_dump_info,