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>
24 #include "interface.h"
34 static const struct blobmsg_policy macvlan_attrs
[__MACVLAN_ATTR_MAX
] = {
35 [MACVLAN_ATTR_IFNAME
] = { "ifname", BLOBMSG_TYPE_STRING
},
36 [MACVLAN_ATTR_MACADDR
] = { "macaddr", BLOBMSG_TYPE_STRING
},
37 [MACVLAN_ATTR_MODE
] = { "mode", BLOBMSG_TYPE_STRING
},
40 static const struct uci_blob_param_list macvlan_attr_list
= {
41 .n_params
= __MACVLAN_ATTR_MAX
,
42 .params
= macvlan_attrs
,
45 struct macvlan_device
{
47 struct device_user parent
;
49 device_state_cb set_state
;
51 struct blob_attr
*config_data
;
52 struct blob_attr
*ifname
;
53 struct macvlan_config config
;
57 macvlan_base_cb(struct device_user
*dev
, enum device_event ev
)
59 struct macvlan_device
*mvdev
= container_of(dev
, struct macvlan_device
, parent
);
63 device_set_present(&mvdev
->dev
, true);
65 case DEV_EVENT_REMOVE
:
66 device_set_present(&mvdev
->dev
, false);
74 macvlan_set_down(struct macvlan_device
*mvdev
)
76 mvdev
->set_state(&mvdev
->dev
, false);
77 system_macvlan_del(&mvdev
->dev
);
78 device_release(&mvdev
->parent
);
84 macvlan_set_up(struct macvlan_device
*mvdev
)
88 ret
= device_claim(&mvdev
->parent
);
92 ret
= system_macvlan_add(&mvdev
->dev
, mvdev
->parent
.dev
, &mvdev
->config
);
96 ret
= mvdev
->set_state(&mvdev
->dev
, true);
103 system_macvlan_del(&mvdev
->dev
);
105 device_release(&mvdev
->parent
);
110 macvlan_set_state(struct device
*dev
, bool up
)
112 struct macvlan_device
*mvdev
;
114 D(SYSTEM
, "macvlan_set_state(%s, %u)\n", dev
->ifname
, up
);
116 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
118 return macvlan_set_up(mvdev
);
120 return macvlan_set_down(mvdev
);
124 macvlan_free(struct device
*dev
)
126 struct macvlan_device
*mvdev
;
128 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
129 device_remove_user(&mvdev
->parent
);
134 macvlan_dump_info(struct device
*dev
, struct blob_buf
*b
)
136 struct macvlan_device
*mvdev
;
138 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
139 blobmsg_add_string(b
, "parent", mvdev
->parent
.dev
->ifname
);
140 system_if_dump_info(dev
, b
);
144 macvlan_config_init(struct device
*dev
)
146 struct macvlan_device
*mvdev
;
147 struct device
*basedev
= NULL
;
149 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
151 basedev
= device_get(blobmsg_data(mvdev
->ifname
), true);
153 device_add_user(&mvdev
->parent
, basedev
);
157 macvlan_apply_settings(struct macvlan_device
*mvdev
, struct blob_attr
**tb
)
159 struct macvlan_config
*cfg
= &mvdev
->config
;
160 struct blob_attr
*cur
;
161 struct ether_addr
*ea
;
166 if ((cur
= tb
[MACVLAN_ATTR_MACADDR
])) {
167 ea
= ether_aton(blobmsg_data(cur
));
169 memcpy(cfg
->macaddr
, ea
, 6);
170 cfg
->flags
|= MACVLAN_OPT_MACADDR
;
174 if ((cur
= tb
[MACVLAN_ATTR_MODE
]))
175 cfg
->mode
= blobmsg_data(cur
);
178 static enum dev_change_type
179 macvlan_reload(struct device
*dev
, struct blob_attr
*attr
)
181 struct blob_attr
*tb_dev
[__DEV_ATTR_MAX
];
182 struct blob_attr
*tb_mv
[__MACVLAN_ATTR_MAX
];
183 enum dev_change_type ret
= DEV_CONFIG_APPLIED
;
184 struct macvlan_device
*mvdev
;
186 mvdev
= container_of(dev
, struct macvlan_device
, dev
);
188 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, tb_dev
,
189 blob_data(attr
), blob_len(attr
));
190 blobmsg_parse(macvlan_attrs
, __MACVLAN_ATTR_MAX
, tb_mv
,
191 blob_data(attr
), blob_len(attr
));
193 device_init_settings(dev
, tb_dev
);
194 macvlan_apply_settings(mvdev
, tb_mv
);
195 mvdev
->ifname
= tb_mv
[MACVLAN_ATTR_IFNAME
];
197 if (mvdev
->config_data
) {
198 struct blob_attr
*otb_dev
[__DEV_ATTR_MAX
];
199 struct blob_attr
*otb_mv
[__MACVLAN_ATTR_MAX
];
201 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, otb_dev
,
202 blob_data(mvdev
->config_data
), blob_len(mvdev
->config_data
));
204 if (uci_blob_diff(tb_dev
, otb_dev
, &device_attr_list
, NULL
))
205 ret
= DEV_CONFIG_RESTART
;
207 blobmsg_parse(macvlan_attrs
, __MACVLAN_ATTR_MAX
, otb_mv
,
208 blob_data(mvdev
->config_data
), blob_len(mvdev
->config_data
));
210 if (uci_blob_diff(tb_mv
, otb_mv
, &macvlan_attr_list
, NULL
))
211 ret
= DEV_CONFIG_RESTART
;
213 macvlan_config_init(dev
);
216 mvdev
->config_data
= attr
;
220 static struct device
*
221 macvlan_create(const char *name
, struct blob_attr
*attr
)
223 struct macvlan_device
*mvdev
;
224 struct device
*dev
= NULL
;
226 mvdev
= calloc(1, sizeof(*mvdev
));
231 device_init(dev
, &macvlan_device_type
, name
);
232 dev
->config_pending
= true;
234 mvdev
->set_state
= dev
->set_state
;
235 dev
->set_state
= macvlan_set_state
;
237 dev
->hotplug_ops
= NULL
;
238 mvdev
->parent
.cb
= macvlan_base_cb
;
240 macvlan_reload(dev
, attr
);
245 const struct device_type macvlan_device_type
= {
247 .config_params
= &macvlan_attr_list
,
249 .create
= macvlan_create
,
250 .config_init
= macvlan_config_init
,
251 .reload
= macvlan_reload
,
252 .free
= macvlan_free
,
253 .dump_info
= macvlan_dump_info
,