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);
72 case DEV_EVENT_LINK_UP
:
73 device_set_link(&mvdev
->dev
, true);
75 case DEV_EVENT_LINK_DOWN
:
76 device_set_link(&mvdev
->dev
, false);
84 macvlan_set_down(struct macvlan_device
*mvdev
)
86 mvdev
->set_state(&mvdev
->dev
, false);
87 system_macvlan_del(&mvdev
->dev
);
88 device_release(&mvdev
->parent
);
94 macvlan_set_up(struct macvlan_device
*mvdev
)
98 ret
= device_claim(&mvdev
->parent
);
102 ret
= system_macvlan_add(&mvdev
->dev
, mvdev
->parent
.dev
, &mvdev
->config
);
106 ret
= mvdev
->set_state(&mvdev
->dev
, true);
113 system_macvlan_del(&mvdev
->dev
);
115 device_release(&mvdev
->parent
);
120 macvlan_set_state(struct device
*dev
, bool up
)
122 struct macvlan_device
*mvdev
;
124 D(SYSTEM
, "macvlan_set_state(%s, %u)\n", dev
->ifname
, up
);
126 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
128 return macvlan_set_up(mvdev
);
130 return macvlan_set_down(mvdev
);
134 macvlan_free(struct device
*dev
)
136 struct macvlan_device
*mvdev
;
138 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
139 device_remove_user(&mvdev
->parent
);
144 macvlan_dump_info(struct device
*dev
, struct blob_buf
*b
)
146 struct macvlan_device
*mvdev
;
148 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
149 blobmsg_add_string(b
, "parent", mvdev
->parent
.dev
->ifname
);
150 system_if_dump_info(dev
, b
);
154 macvlan_config_init(struct device
*dev
)
156 struct macvlan_device
*mvdev
;
157 struct device
*basedev
= NULL
;
159 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
161 basedev
= device_get(blobmsg_data(mvdev
->ifname
), true);
163 device_add_user(&mvdev
->parent
, basedev
);
167 macvlan_apply_settings(struct macvlan_device
*mvdev
, struct blob_attr
**tb
)
169 struct macvlan_config
*cfg
= &mvdev
->config
;
170 struct blob_attr
*cur
;
171 struct ether_addr
*ea
;
176 if ((cur
= tb
[MACVLAN_ATTR_MACADDR
])) {
177 ea
= ether_aton(blobmsg_data(cur
));
179 memcpy(cfg
->macaddr
, ea
, 6);
180 cfg
->flags
|= MACVLAN_OPT_MACADDR
;
184 if ((cur
= tb
[MACVLAN_ATTR_MODE
]))
185 cfg
->mode
= blobmsg_data(cur
);
188 static enum dev_change_type
189 macvlan_reload(struct device
*dev
, struct blob_attr
*attr
)
191 struct blob_attr
*tb_dev
[__DEV_ATTR_MAX
];
192 struct blob_attr
*tb_mv
[__MACVLAN_ATTR_MAX
];
193 enum dev_change_type ret
= DEV_CONFIG_APPLIED
;
194 struct macvlan_device
*mvdev
;
196 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
198 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, tb_dev
,
199 blob_data(attr
), blob_len(attr
));
200 blobmsg_parse(macvlan_attrs
, __MACVLAN_ATTR_MAX
, tb_mv
,
201 blob_data(attr
), blob_len(attr
));
203 device_init_settings(dev
, tb_dev
);
204 macvlan_apply_settings(mvdev
, tb_mv
);
205 mvdev
->ifname
= tb_mv
[MACVLAN_ATTR_IFNAME
];
207 if (mvdev
->config_data
) {
208 struct blob_attr
*otb_dev
[__DEV_ATTR_MAX
];
209 struct blob_attr
*otb_mv
[__MACVLAN_ATTR_MAX
];
211 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, otb_dev
,
212 blob_data(mvdev
->config_data
), blob_len(mvdev
->config_data
));
214 if (uci_blob_diff(tb_dev
, otb_dev
, &device_attr_list
, NULL
))
215 ret
= DEV_CONFIG_RESTART
;
217 blobmsg_parse(macvlan_attrs
, __MACVLAN_ATTR_MAX
, otb_mv
,
218 blob_data(mvdev
->config_data
), blob_len(mvdev
->config_data
));
220 if (uci_blob_diff(tb_mv
, otb_mv
, &macvlan_attr_list
, NULL
))
221 ret
= DEV_CONFIG_RESTART
;
223 macvlan_config_init(dev
);
226 mvdev
->config_data
= attr
;
230 static struct device
*
231 macvlan_create(const char *name
, struct blob_attr
*attr
)
233 struct macvlan_device
*mvdev
;
234 struct device
*dev
= NULL
;
236 mvdev
= calloc(1, sizeof(*mvdev
));
241 device_init(dev
, &macvlan_device_type
, name
);
242 dev
->config_pending
= true;
244 mvdev
->set_state
= dev
->set_state
;
245 dev
->set_state
= macvlan_set_state
;
247 dev
->hotplug_ops
= NULL
;
248 mvdev
->parent
.cb
= macvlan_base_cb
;
250 macvlan_reload(dev
, attr
);
255 const struct device_type macvlan_device_type
= {
257 .config_params
= &macvlan_attr_list
,
259 .create
= macvlan_create
,
260 .config_init
= macvlan_config_init
,
261 .reload
= macvlan_reload
,
262 .free
= macvlan_free
,
263 .dump_info
= macvlan_dump_info
,