2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
4 * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
20 #include <net/ethernet.h>
23 #include <netinet/ether.h>
28 #include "interface.h"
38 static const struct blobmsg_policy macvlan_attrs[__MACVLAN_ATTR_MAX] = {
39 [MACVLAN_ATTR_IFNAME] = { "ifname", BLOBMSG_TYPE_STRING },
40 [MACVLAN_ATTR_MACADDR] = { "macaddr", BLOBMSG_TYPE_STRING },
41 [MACVLAN_ATTR_MODE] = { "mode", BLOBMSG_TYPE_STRING },
44 static const struct uci_blob_param_list macvlan_attr_list = {
45 .n_params = __MACVLAN_ATTR_MAX,
46 .params = macvlan_attrs,
49 struct macvlan_device {
51 struct device_user parent;
53 device_state_cb set_state;
55 struct blob_attr *config_data;
56 struct blob_attr *ifname;
57 struct macvlan_config config;
61 macvlan_base_cb(struct device_user *dev, enum device_event ev)
63 struct macvlan_device *mvdev = container_of(dev, struct macvlan_device, parent);
67 device_set_present(&mvdev->dev, true);
69 case DEV_EVENT_REMOVE:
70 device_set_present(&mvdev->dev, false);
78 macvlan_set_down(struct macvlan_device *mvdev)
80 mvdev->set_state(&mvdev->dev, false);
81 system_macvlan_del(&mvdev->dev);
82 device_release(&mvdev->parent);
88 macvlan_set_up(struct macvlan_device *mvdev)
92 ret = device_claim(&mvdev->parent);
96 ret = system_macvlan_add(&mvdev->dev, mvdev->parent.dev, &mvdev->config);
100 ret = mvdev->set_state(&mvdev->dev, true);
107 system_macvlan_del(&mvdev->dev);
109 device_release(&mvdev->parent);
114 macvlan_set_state(struct device *dev, bool up)
116 struct macvlan_device *mvdev;
118 D(SYSTEM, "macvlan_set_state(%s, %u)\n", dev->ifname, up);
120 mvdev = container_of(dev, struct macvlan_device, dev);
122 return macvlan_set_up(mvdev);
124 return macvlan_set_down(mvdev);
128 macvlan_free(struct device *dev)
130 struct macvlan_device *mvdev;
132 mvdev = container_of(dev, struct macvlan_device, dev);
133 device_remove_user(&mvdev->parent);
138 macvlan_dump_info(struct device *dev, struct blob_buf *b)
140 struct macvlan_device *mvdev;
142 mvdev = container_of(dev, struct macvlan_device, dev);
143 blobmsg_add_string(b, "parent", mvdev->parent.dev->ifname);
144 system_if_dump_info(dev, b);
148 macvlan_config_init(struct device *dev)
150 struct macvlan_device *mvdev;
151 struct device *basedev = NULL;
153 mvdev = container_of(dev, struct macvlan_device, dev);
155 basedev = device_get(blobmsg_data(mvdev->ifname), true);
157 device_add_user(&mvdev->parent, basedev);
161 macvlan_apply_settings(struct macvlan_device *mvdev, struct blob_attr **tb)
163 struct macvlan_config *cfg = &mvdev->config;
164 struct blob_attr *cur;
165 struct ether_addr *ea;
170 if ((cur = tb[MACVLAN_ATTR_MACADDR])) {
171 ea = ether_aton(blobmsg_data(cur));
173 memcpy(cfg->macaddr, ea, 6);
174 cfg->flags |= MACVLAN_OPT_MACADDR;
178 if ((cur = tb[MACVLAN_ATTR_MODE]))
179 cfg->mode = blobmsg_data(cur);
182 static enum dev_change_type
183 macvlan_reload(struct device *dev, struct blob_attr *attr)
185 struct blob_attr *tb_dev[__DEV_ATTR_MAX];
186 struct blob_attr *tb_mv[__MACVLAN_ATTR_MAX];
187 enum dev_change_type ret = DEV_CONFIG_APPLIED;
188 struct macvlan_device *mvdev;
190 mvdev = container_of(dev, struct macvlan_device, dev);
192 blobmsg_parse(device_attr_list.params, __DEV_ATTR_MAX, tb_dev,
193 blob_data(attr), blob_len(attr));
194 blobmsg_parse(macvlan_attrs, __MACVLAN_ATTR_MAX, tb_mv,
195 blob_data(attr), blob_len(attr));
197 device_init_settings(dev, tb_dev);
198 macvlan_apply_settings(mvdev, tb_mv);
199 mvdev->ifname = tb_mv[MACVLAN_ATTR_IFNAME];
201 if (mvdev->config_data) {
202 struct blob_attr *otb_dev[__DEV_ATTR_MAX];
203 struct blob_attr *otb_mv[__MACVLAN_ATTR_MAX];
205 blobmsg_parse(device_attr_list.params, __DEV_ATTR_MAX, otb_dev,
206 blob_data(mvdev->config_data), blob_len(mvdev->config_data));
208 if (uci_blob_diff(tb_dev, otb_dev, &device_attr_list, NULL))
209 ret = DEV_CONFIG_RESTART;
211 blobmsg_parse(macvlan_attrs, __MACVLAN_ATTR_MAX, otb_mv,
212 blob_data(mvdev->config_data), blob_len(mvdev->config_data));
214 if (uci_blob_diff(tb_mv, otb_mv, &macvlan_attr_list, NULL))
215 ret = DEV_CONFIG_RESTART;
217 macvlan_config_init(dev);
220 mvdev->config_data = attr;
224 static struct device *
225 macvlan_create(const char *name, struct blob_attr *attr)
227 struct macvlan_device *mvdev;
228 struct device *dev = NULL;
230 mvdev = calloc(1, sizeof(*mvdev));
235 device_init(dev, &macvlan_device_type, name);
236 dev->config_pending = true;
238 mvdev->set_state = dev->set_state;
239 dev->set_state = macvlan_set_state;
241 dev->hotplug_ops = NULL;
242 mvdev->parent.cb = macvlan_base_cb;
244 macvlan_reload(dev, attr);
249 const struct device_type macvlan_device_type = {
251 .config_params = &macvlan_attr_list,
253 .create = macvlan_create,
254 .config_init = macvlan_config_init,
255 .reload = macvlan_reload,
256 .free = macvlan_free,
257 .dump_info = macvlan_dump_info,