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.
20 #include "interface.h"
27 VLANDEV_ATTR_INGRESS_QOS_MAPPING
,
28 VLANDEV_ATTR_EGRESS_QOS_MAPPING
,
32 static const struct blobmsg_policy vlandev_attrs
[__VLANDEV_ATTR_MAX
] = {
33 [VLANDEV_ATTR_IFNAME
] = { "ifname", BLOBMSG_TYPE_STRING
},
34 [VLANDEV_ATTR_VID
] = { "vid", BLOBMSG_TYPE_INT32
},
35 [VLANDEV_ATTR_INGRESS_QOS_MAPPING
] = { "ingress_qos_mapping", BLOBMSG_TYPE_ARRAY
},
36 [VLANDEV_ATTR_EGRESS_QOS_MAPPING
] = { "egress_qos_mapping", BLOBMSG_TYPE_ARRAY
},
39 static const struct uci_blob_param_list vlandev_attr_list
= {
40 .n_params
= __VLANDEV_ATTR_MAX
,
41 .params
= vlandev_attrs
,
44 .next
= { &device_attr_list
},
47 static struct device_type vlan8021q_device_type
;
48 static struct blob_buf b
;
50 struct vlandev_device
{
52 struct device_user parent
;
54 device_state_cb set_state
;
56 struct blob_attr
*config_data
;
57 struct blob_attr
*ifname
;
58 struct vlandev_config config
;
62 vlandev_hotplug_add(struct device
*dev
, struct device
*member
, struct blob_attr
*vlan
)
64 struct vlandev_device
*mvdev
= container_of(dev
, struct vlandev_device
, dev
);
67 dev
= mvdev
->parent
.dev
;
68 if (!dev
|| !dev
->hotplug_ops
)
69 return UBUS_STATUS_NOT_SUPPORTED
;
72 a
= blobmsg_open_array(&b
, "vlans");
73 blobmsg_printf(&b
, NULL
, "%d", mvdev
->config
.vid
);
74 blobmsg_close_array(&b
, a
);
76 return dev
->hotplug_ops
->add(dev
, member
, blobmsg_data(b
.head
));
80 vlandev_hotplug_del(struct device
*dev
, struct device
*member
)
82 struct vlandev_device
*mvdev
= container_of(dev
, struct vlandev_device
, dev
);
84 dev
= mvdev
->parent
.dev
;
85 if (!dev
|| !dev
->hotplug_ops
)
86 return UBUS_STATUS_NOT_SUPPORTED
;
88 return dev
->hotplug_ops
->del(dev
, member
);
92 vlandev_hotplug_prepare(struct device
*dev
, struct device
**bridge_dev
)
94 struct vlandev_device
*mvdev
= container_of(dev
, struct vlandev_device
, dev
);
96 dev
= mvdev
->parent
.dev
;
97 if (!dev
|| !dev
->hotplug_ops
)
98 return UBUS_STATUS_NOT_SUPPORTED
;
100 return dev
->hotplug_ops
->prepare(dev
, bridge_dev
);
103 static void vlandev_hotplug_check(struct vlandev_device
*mvdev
)
105 static const struct device_hotplug_ops hotplug_ops
= {
106 .prepare
= vlandev_hotplug_prepare
,
107 .add
= vlandev_hotplug_add
,
108 .del
= vlandev_hotplug_del
110 struct device
*dev
= mvdev
->parent
.dev
;
112 if (!dev
|| !dev
->hotplug_ops
|| avl_is_empty(&dev
->vlans
.avl
) ||
113 dev
->type
!= &vlan8021q_device_type
) {
114 mvdev
->dev
.hotplug_ops
= NULL
;
118 mvdev
->dev
.hotplug_ops
= &hotplug_ops
;
123 vlandev_base_cb(struct device_user
*dev
, enum device_event ev
)
125 struct vlandev_device
*mvdev
= container_of(dev
, struct vlandev_device
, parent
);
129 device_set_present(&mvdev
->dev
, true);
131 case DEV_EVENT_REMOVE
:
132 device_set_present(&mvdev
->dev
, false);
134 case DEV_EVENT_UPDATE_IFNAME
:
135 vlandev_hotplug_check(mvdev
);
143 vlandev_set_down(struct vlandev_device
*mvdev
)
145 mvdev
->set_state(&mvdev
->dev
, false);
146 system_vlandev_del(&mvdev
->dev
);
147 device_release(&mvdev
->parent
);
153 vlandev_set_up(struct vlandev_device
*mvdev
)
157 ret
= device_claim(&mvdev
->parent
);
161 ret
= system_vlandev_add(&mvdev
->dev
, mvdev
->parent
.dev
, &mvdev
->config
);
165 ret
= mvdev
->set_state(&mvdev
->dev
, true);
172 system_vlandev_del(&mvdev
->dev
);
174 device_release(&mvdev
->parent
);
179 vlandev_set_state(struct device
*dev
, bool up
)
181 struct vlandev_device
*mvdev
;
183 D(SYSTEM
, "vlandev_set_state(%s, %u)\n", dev
->ifname
, up
);
185 mvdev
= container_of(dev
, struct vlandev_device
, dev
);
187 return vlandev_set_up(mvdev
);
189 return vlandev_set_down(mvdev
);
193 vlandev_free(struct device
*dev
)
195 struct vlandev_device
*mvdev
;
197 mvdev
= container_of(dev
, struct vlandev_device
, dev
);
198 device_remove_user(&mvdev
->parent
);
199 free(mvdev
->config_data
);
200 vlist_simple_flush_all(&mvdev
->config
.ingress_qos_mapping_list
);
201 vlist_simple_flush_all(&mvdev
->config
.egress_qos_mapping_list
);
205 static void vlandev_qos_mapping_dump(struct blob_buf
*b
, const char *name
, const struct vlist_simple_tree
*qos_mapping_li
)
207 const struct vlan_qos_mapping
*elem
;
210 a
= blobmsg_open_array(b
, name
);
212 vlist_simple_for_each_element(qos_mapping_li
, elem
, node
) {
213 t
= blobmsg_open_table(b
, NULL
);
215 blobmsg_add_u32(b
, "from", elem
->from
);
216 blobmsg_add_u32(b
, "to", elem
->to
);
218 blobmsg_close_table(b
, t
);
221 blobmsg_close_array(b
, a
);
225 vlandev_dump_info(struct device
*dev
, struct blob_buf
*b
)
227 struct vlandev_device
*mvdev
;
229 mvdev
= container_of(dev
, struct vlandev_device
, dev
);
230 blobmsg_add_string(b
, "parent", mvdev
->parent
.dev
->ifname
);
231 system_if_dump_info(dev
, b
);
232 vlandev_qos_mapping_dump(b
, "ingress_qos_mapping", &mvdev
->config
.ingress_qos_mapping_list
);
233 vlandev_qos_mapping_dump(b
, "egress_qos_mapping", &mvdev
->config
.egress_qos_mapping_list
);
237 vlandev_config_init(struct device
*dev
)
239 struct vlandev_device
*mvdev
;
240 struct device
*basedev
= NULL
;
242 mvdev
= container_of(dev
, struct vlandev_device
, dev
);
244 basedev
= device_get(blobmsg_data(mvdev
->ifname
), true);
246 device_add_user(&mvdev
->parent
, basedev
);
247 vlandev_hotplug_check(mvdev
);
250 static void vlandev_qos_mapping_list_apply(struct vlist_simple_tree
*qos_mapping_li
, struct blob_attr
*list
)
252 struct blob_attr
*cur
;
253 struct vlan_qos_mapping
*qos_mapping
;
256 blobmsg_for_each_attr(cur
, list
, rem
) {
257 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
260 if (!blobmsg_check_attr(cur
, false))
263 qos_mapping
= calloc(1, sizeof(*qos_mapping
));
267 rc
= sscanf(blobmsg_data(cur
), "%" PRIu32
":%" PRIu32
, &qos_mapping
->from
, &qos_mapping
->to
);
272 vlist_simple_add(qos_mapping_li
, &qos_mapping
->node
);
277 vlandev_apply_settings(struct vlandev_device
*mvdev
, struct blob_attr
**tb
)
279 struct vlandev_config
*cfg
= &mvdev
->config
;
280 struct blob_attr
*cur
;
282 cfg
->proto
= (mvdev
->dev
.type
== &vlan8021q_device_type
) ?
283 VLAN_PROTO_8021Q
: VLAN_PROTO_8021AD
;
286 vlist_simple_update(&cfg
->ingress_qos_mapping_list
);
287 vlist_simple_update(&cfg
->egress_qos_mapping_list
);
289 if ((cur
= tb
[VLANDEV_ATTR_VID
]))
290 cfg
->vid
= (uint16_t) blobmsg_get_u32(cur
);
292 if ((cur
= tb
[VLANDEV_ATTR_INGRESS_QOS_MAPPING
]))
293 vlandev_qos_mapping_list_apply(&cfg
->ingress_qos_mapping_list
, cur
);
295 if ((cur
= tb
[VLANDEV_ATTR_EGRESS_QOS_MAPPING
]))
296 vlandev_qos_mapping_list_apply(&cfg
->egress_qos_mapping_list
, cur
);
298 vlist_simple_flush(&cfg
->ingress_qos_mapping_list
);
299 vlist_simple_flush(&cfg
->egress_qos_mapping_list
);
302 static enum dev_change_type
303 vlandev_reload(struct device
*dev
, struct blob_attr
*attr
)
305 struct blob_attr
*tb_dev
[__DEV_ATTR_MAX
];
306 struct blob_attr
*tb_mv
[__VLANDEV_ATTR_MAX
];
307 enum dev_change_type ret
= DEV_CONFIG_APPLIED
;
308 struct vlandev_device
*mvdev
;
310 mvdev
= container_of(dev
, struct vlandev_device
, dev
);
311 attr
= blob_memdup(attr
);
313 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, tb_dev
,
314 blob_data(attr
), blob_len(attr
));
315 blobmsg_parse(vlandev_attrs
, __VLANDEV_ATTR_MAX
, tb_mv
,
316 blob_data(attr
), blob_len(attr
));
318 device_init_settings(dev
, tb_dev
);
319 vlandev_apply_settings(mvdev
, tb_mv
);
320 mvdev
->ifname
= tb_mv
[VLANDEV_ATTR_IFNAME
];
322 if (mvdev
->config_data
) {
323 struct blob_attr
*otb_dev
[__DEV_ATTR_MAX
];
324 struct blob_attr
*otb_mv
[__VLANDEV_ATTR_MAX
];
326 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, otb_dev
,
327 blob_data(mvdev
->config_data
), blob_len(mvdev
->config_data
));
329 if (uci_blob_diff(tb_dev
, otb_dev
, &device_attr_list
, NULL
))
330 ret
= DEV_CONFIG_RESTART
;
332 blobmsg_parse(vlandev_attrs
, __VLANDEV_ATTR_MAX
, otb_mv
,
333 blob_data(mvdev
->config_data
), blob_len(mvdev
->config_data
));
335 if (uci_blob_diff(tb_mv
, otb_mv
, &vlandev_attr_list
, NULL
))
336 ret
= DEV_CONFIG_RESTART
;
338 vlandev_config_init(dev
);
341 free(mvdev
->config_data
);
342 mvdev
->config_data
= attr
;
346 static struct device
*
347 vlandev_create(const char *name
, struct device_type
*devtype
,
348 struct blob_attr
*attr
)
350 struct vlandev_device
*mvdev
;
351 struct device
*dev
= NULL
;
353 mvdev
= calloc(1, sizeof(*mvdev
));
357 vlist_simple_init(&mvdev
->config
.ingress_qos_mapping_list
,
358 struct vlan_qos_mapping
, node
);
359 vlist_simple_init(&mvdev
->config
.egress_qos_mapping_list
,
360 struct vlan_qos_mapping
, node
);
364 if (device_init(dev
, devtype
, name
) < 0) {
370 dev
->config_pending
= true;
372 mvdev
->set_state
= dev
->set_state
;
373 dev
->set_state
= vlandev_set_state
;
375 dev
->hotplug_ops
= NULL
;
376 mvdev
->parent
.cb
= vlandev_base_cb
;
378 vlandev_reload(dev
, attr
);
383 static struct device_type vlan8021ad_device_type
= {
385 .config_params
= &vlandev_attr_list
,
386 .create
= vlandev_create
,
387 .config_init
= vlandev_config_init
,
388 .reload
= vlandev_reload
,
389 .free
= vlandev_free
,
390 .dump_info
= vlandev_dump_info
,
393 static struct device_type vlan8021q_device_type
= {
395 .config_params
= &vlandev_attr_list
,
396 .create
= vlandev_create
,
397 .config_init
= vlandev_config_init
,
398 .reload
= vlandev_reload
,
399 .free
= vlandev_free
,
400 .dump_info
= vlandev_dump_info
,
403 static void __init
vlandev_device_type_init(void)
405 device_type_add(&vlan8021ad_device_type
);
406 device_type_add(&vlan8021q_device_type
);