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
,