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 .next
= { &device_attr_list
},
52 struct macvlan_device
{
54 struct device_user parent
;
56 device_state_cb set_state
;
58 struct blob_attr
*config_data
;
59 struct blob_attr
*ifname
;
60 struct macvlan_config config
;
64 macvlan_base_cb(struct device_user
*dev
, enum device_event ev
)
66 struct macvlan_device
*mvdev
= container_of(dev
, struct macvlan_device
, parent
);
70 device_set_present(&mvdev
->dev
, true);
72 case DEV_EVENT_REMOVE
:
73 device_set_present(&mvdev
->dev
, false);
75 case DEV_EVENT_LINK_UP
:
76 device_set_link(&mvdev
->dev
, true);
78 case DEV_EVENT_LINK_DOWN
:
79 device_set_link(&mvdev
->dev
, false);
87 macvlan_set_down(struct macvlan_device
*mvdev
)
89 mvdev
->set_state(&mvdev
->dev
, false);
90 system_macvlan_del(&mvdev
->dev
);
91 device_release(&mvdev
->parent
);
97 macvlan_set_up(struct macvlan_device
*mvdev
)
101 ret
= device_claim(&mvdev
->parent
);
105 ret
= system_macvlan_add(&mvdev
->dev
, mvdev
->parent
.dev
, &mvdev
->config
);
109 ret
= mvdev
->set_state(&mvdev
->dev
, true);
116 system_macvlan_del(&mvdev
->dev
);
118 device_release(&mvdev
->parent
);
123 macvlan_set_state(struct device
*dev
, bool up
)
125 struct macvlan_device
*mvdev
;
127 D(SYSTEM
, "macvlan_set_state(%s, %u)\n", dev
->ifname
, up
);
129 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
131 return macvlan_set_up(mvdev
);
133 return macvlan_set_down(mvdev
);
137 macvlan_free(struct device
*dev
)
139 struct macvlan_device
*mvdev
;
141 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
142 device_remove_user(&mvdev
->parent
);
143 free(mvdev
->config_data
);
148 macvlan_dump_info(struct device
*dev
, struct blob_buf
*b
)
150 struct macvlan_device
*mvdev
;
152 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
153 blobmsg_add_string(b
, "parent", mvdev
->parent
.dev
->ifname
);
154 system_if_dump_info(dev
, b
);
158 macvlan_config_init(struct device
*dev
)
160 struct macvlan_device
*mvdev
;
161 struct device
*basedev
= NULL
;
163 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
165 basedev
= device_get(blobmsg_data(mvdev
->ifname
), true);
167 device_add_user(&mvdev
->parent
, basedev
);
171 macvlan_apply_settings(struct macvlan_device
*mvdev
, struct blob_attr
**tb
)
173 struct macvlan_config
*cfg
= &mvdev
->config
;
174 struct blob_attr
*cur
;
175 struct ether_addr
*ea
;
180 if ((cur
= tb
[MACVLAN_ATTR_MACADDR
])) {
181 ea
= ether_aton(blobmsg_data(cur
));
183 memcpy(cfg
->macaddr
, ea
, 6);
184 cfg
->flags
|= MACVLAN_OPT_MACADDR
;
188 if ((cur
= tb
[MACVLAN_ATTR_MODE
]))
189 cfg
->mode
= blobmsg_data(cur
);
192 static enum dev_change_type
193 macvlan_reload(struct device
*dev
, struct blob_attr
*attr
)
195 struct blob_attr
*tb_dev
[__DEV_ATTR_MAX
];
196 struct blob_attr
*tb_mv
[__MACVLAN_ATTR_MAX
];
197 enum dev_change_type ret
= DEV_CONFIG_APPLIED
;
198 struct macvlan_device
*mvdev
;
200 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
201 attr
= blob_memdup(attr
);
203 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, tb_dev
,
204 blob_data(attr
), blob_len(attr
));
205 blobmsg_parse(macvlan_attrs
, __MACVLAN_ATTR_MAX
, tb_mv
,
206 blob_data(attr
), blob_len(attr
));
208 device_init_settings(dev
, tb_dev
);
209 macvlan_apply_settings(mvdev
, tb_mv
);
210 mvdev
->ifname
= tb_mv
[MACVLAN_ATTR_IFNAME
];
212 if (mvdev
->config_data
) {
213 struct blob_attr
*otb_dev
[__DEV_ATTR_MAX
];
214 struct blob_attr
*otb_mv
[__MACVLAN_ATTR_MAX
];
216 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, otb_dev
,
217 blob_data(mvdev
->config_data
), blob_len(mvdev
->config_data
));
219 if (uci_blob_diff(tb_dev
, otb_dev
, &device_attr_list
, NULL
))
220 ret
= DEV_CONFIG_RESTART
;
222 blobmsg_parse(macvlan_attrs
, __MACVLAN_ATTR_MAX
, otb_mv
,
223 blob_data(mvdev
->config_data
), blob_len(mvdev
->config_data
));
225 if (uci_blob_diff(tb_mv
, otb_mv
, &macvlan_attr_list
, NULL
))
226 ret
= DEV_CONFIG_RESTART
;
228 macvlan_config_init(dev
);
231 free(mvdev
->config_data
);
232 mvdev
->config_data
= attr
;
236 static struct device
*
237 macvlan_create(const char *name
, struct blob_attr
*attr
)
239 struct macvlan_device
*mvdev
;
240 struct device
*dev
= NULL
;
242 mvdev
= calloc(1, sizeof(*mvdev
));
247 device_init(dev
, &macvlan_device_type
, name
);
248 dev
->config_pending
= true;
250 mvdev
->set_state
= dev
->set_state
;
251 dev
->set_state
= macvlan_set_state
;
253 dev
->hotplug_ops
= NULL
;
254 mvdev
->parent
.cb
= macvlan_base_cb
;
256 macvlan_reload(dev
, attr
);
261 const struct device_type macvlan_device_type
= {
263 .config_params
= &macvlan_attr_list
,
264 .keep_link_status
= true,
266 .create
= macvlan_create
,
267 .config_init
= macvlan_config_init
,
268 .reload
= macvlan_reload
,
269 .free
= macvlan_free
,
270 .dump_info
= macvlan_dump_info
,