15 BRIDGE_ATTR_FORWARD_DELAY
,
16 BRIDGE_ATTR_IGMP_SNOOP
,
17 BRIDGE_ATTR_AGEING_TIME
,
18 BRIDGE_ATTR_HELLO_TIME
,
23 static const struct blobmsg_policy bridge_attrs
[__BRIDGE_ATTR_MAX
] = {
24 [BRIDGE_ATTR_IFNAME
] = { "ifname", BLOBMSG_TYPE_ARRAY
},
25 [BRIDGE_ATTR_STP
] = { "stp", BLOBMSG_TYPE_BOOL
},
26 [BRIDGE_ATTR_FORWARD_DELAY
] = { "forward_delay", BLOBMSG_TYPE_INT32
},
27 [BRIDGE_ATTR_AGEING_TIME
] = { "ageing_time", BLOBMSG_TYPE_INT32
},
28 [BRIDGE_ATTR_HELLO_TIME
] = { "hello_time", BLOBMSG_TYPE_INT32
},
29 [BRIDGE_ATTR_MAX_AGE
] = { "max_age", BLOBMSG_TYPE_INT32
},
30 [BRIDGE_ATTR_IGMP_SNOOP
] = { "igmp_snooping", BLOBMSG_TYPE_BOOL
},
33 static const union config_param_info bridge_attr_info
[__BRIDGE_ATTR_MAX
] = {
34 [BRIDGE_ATTR_IFNAME
] = { .type
= BLOBMSG_TYPE_STRING
},
37 static const struct config_param_list bridge_attr_list
= {
38 .n_params
= __BRIDGE_ATTR_MAX
,
39 .params
= bridge_attrs
,
40 .info
= bridge_attr_info
,
43 .next
= { &device_attr_list
},
46 static struct device
*bridge_create(const char *name
, struct blob_attr
*attr
);
47 static void bridge_config_init(struct device
*dev
);
48 static void bridge_free(struct device
*dev
);
49 static void bridge_dump_info(struct device
*dev
, struct blob_buf
*b
);
51 const struct device_type bridge_device_type
= {
53 .config_params
= &bridge_attr_list
,
55 .create
= bridge_create
,
56 .config_init
= bridge_config_init
,
58 .dump_info
= bridge_dump_info
,
63 device_state_cb set_state
;
65 struct bridge_config config
;
66 struct blob_attr
*ifnames
;
69 struct list_head members
;
73 struct bridge_member
{
74 struct list_head list
;
75 struct bridge_state
*bst
;
76 struct device_user dev
;
80 static void bridge_free_member(struct bridge_member
*bm
);
83 bridge_disable_member(struct bridge_member
*bm
)
85 struct bridge_state
*bst
= bm
->bst
;
90 system_bridge_delif(&bst
->dev
, bm
->dev
.dev
);
91 device_release(&bm
->dev
);
97 bridge_enable_member(struct bridge_member
*bm
)
99 struct bridge_state
*bst
= bm
->bst
;
105 ret
= device_claim(&bm
->dev
);
109 ret
= system_bridge_addif(&bst
->dev
, bm
->dev
.dev
);
122 bridge_member_cb(struct device_user
*dev
, enum device_event ev
)
124 struct bridge_member
*bm
= container_of(dev
, struct bridge_member
, dev
);
125 struct bridge_state
*bst
= bm
->bst
;
129 assert(!bm
->present
);
135 bridge_enable_member(bm
);
136 else if (bst
->n_present
== 1)
137 device_set_present(&bst
->dev
, true);
140 case DEV_EVENT_REMOVE
:
145 bridge_disable_member(bm
);
148 bm
->bst
->n_present
--;
149 if (bst
->n_present
== 0)
150 device_set_present(&bst
->dev
, false);
153 bridge_free_member(bm
);
161 bridge_set_down(struct bridge_state
*bst
)
163 struct bridge_member
*bm
;
165 bst
->set_state(&bst
->dev
, false);
167 list_for_each_entry(bm
, &bst
->members
, list
)
168 bridge_disable_member(bm
);
170 system_bridge_delbr(&bst
->dev
);
176 bridge_set_up(struct bridge_state
*bst
)
178 struct bridge_member
*bm
;
184 ret
= system_bridge_addbr(&bst
->dev
, &bst
->config
);
188 list_for_each_entry(bm
, &bst
->members
, list
)
189 bridge_enable_member(bm
);
191 if (!bst
->n_present
) {
192 /* initialization of all member interfaces failed */
193 system_bridge_delbr(&bst
->dev
);
194 device_set_present(&bst
->dev
, false);
198 ret
= bst
->set_state(&bst
->dev
, true);
200 bridge_set_down(bst
);
207 bridge_set_state(struct device
*dev
, bool up
)
209 struct bridge_state
*bst
;
211 bst
= container_of(dev
, struct bridge_state
, dev
);
214 return bridge_set_up(bst
);
216 return bridge_set_down(bst
);
219 static struct bridge_member
*
220 bridge_create_member(struct bridge_state
*bst
, struct device
*dev
, bool hotplug
)
222 struct bridge_member
*bm
;
224 bm
= calloc(1, sizeof(*bm
));
226 bm
->dev
.cb
= bridge_member_cb
;
227 bm
->dev
.hotplug
= hotplug
;
228 list_add_tail(&bm
->list
, &bst
->members
);
230 device_add_user(&bm
->dev
, dev
);
236 bridge_free_member(struct bridge_member
*bm
)
239 bridge_member_cb(&bm
->dev
, DEV_EVENT_REMOVE
);
240 bm
->bst
->n_present
--;
241 if (bm
->bst
->dev
.active
)
242 bridge_disable_member(bm
);
246 device_remove_user(&bm
->dev
);
251 bridge_add_member(struct bridge_state
*bst
, const char *name
)
255 dev
= device_get(name
, true);
259 bridge_create_member(bst
, dev
, false);
263 bridge_hotplug_add(struct device
*dev
, struct device
*member
)
265 struct bridge_state
*bst
= container_of(dev
, struct bridge_state
, dev
);
267 bridge_create_member(bst
, member
, true);
273 bridge_hotplug_del(struct device
*dev
, struct device
*member
)
275 struct bridge_state
*bst
= container_of(dev
, struct bridge_state
, dev
);
276 struct bridge_member
*bm
;
278 list_for_each_entry(bm
, &bst
->members
, list
) {
279 if (bm
->dev
.dev
!= member
)
282 bridge_free_member(bm
);
289 static const struct device_hotplug_ops bridge_ops
= {
290 .add
= bridge_hotplug_add
,
291 .del
= bridge_hotplug_del
295 bridge_free(struct device
*dev
)
297 struct bridge_state
*bst
;
298 struct bridge_member
*bm
;
301 bst
= container_of(dev
, struct bridge_state
, dev
);
302 while (!list_empty(&bst
->members
)) {
303 bm
= list_first_entry(&bst
->members
, struct bridge_member
, list
);
304 bridge_free_member(bm
);
310 bridge_dump_info(struct device
*dev
, struct blob_buf
*b
)
312 struct bridge_state
*bst
;
313 struct bridge_member
*bm
;
316 bst
= container_of(dev
, struct bridge_state
, dev
);
318 list
= blobmsg_open_array(b
, "bridge-members");
319 list_for_each_entry(bm
, &bst
->members
, list
) {
320 blobmsg_add_string(b
, NULL
, bm
->dev
.dev
->ifname
);
322 blobmsg_close_array(b
, list
);
326 bridge_config_init(struct device
*dev
)
328 struct bridge_state
*bst
;
329 struct blob_attr
*cur
;
332 bst
= container_of(dev
, struct bridge_state
, dev
);
337 blobmsg_for_each_attr(cur
, bst
->ifnames
, rem
) {
338 bridge_add_member(bst
, blobmsg_data(cur
));
343 bridge_apply_settings(struct bridge_state
*bst
, struct blob_attr
**tb
)
345 struct bridge_config
*cfg
= &bst
->config
;
346 struct blob_attr
*cur
;
350 cfg
->forward_delay
= 1;
351 cfg
->igmp_snoop
= true;
353 if ((cur
= tb
[BRIDGE_ATTR_STP
]))
354 cfg
->stp
= blobmsg_get_bool(cur
);
356 if ((cur
= tb
[BRIDGE_ATTR_FORWARD_DELAY
]))
357 cfg
->forward_delay
= blobmsg_get_u32(cur
);
359 if ((cur
= tb
[BRIDGE_ATTR_IGMP_SNOOP
]))
360 cfg
->igmp_snoop
= blobmsg_get_bool(cur
);
362 if ((cur
= tb
[BRIDGE_ATTR_AGEING_TIME
])) {
363 cfg
->ageing_time
= blobmsg_get_u32(cur
);
364 cfg
->flags
|= BRIDGE_OPT_AGEING_TIME
;
367 if ((cur
= tb
[BRIDGE_ATTR_HELLO_TIME
])) {
368 cfg
->hello_time
= blobmsg_get_u32(cur
);
369 cfg
->flags
|= BRIDGE_OPT_HELLO_TIME
;
372 if ((cur
= tb
[BRIDGE_ATTR_MAX_AGE
])) {
373 cfg
->max_age
= blobmsg_get_u32(cur
);
374 cfg
->flags
|= BRIDGE_OPT_MAX_AGE
;
378 static struct device
*
379 bridge_create(const char *name
, struct blob_attr
*attr
)
381 struct blob_attr
*tb_dev
[__DEV_ATTR_MAX
];
382 struct blob_attr
*tb_br
[__BRIDGE_ATTR_MAX
];
383 struct bridge_state
*bst
;
384 struct device
*dev
= NULL
;
386 blobmsg_parse(device_attr_list
.params
, __DEV_ATTR_MAX
, tb_dev
,
387 blob_data(attr
), blob_len(attr
));
388 blobmsg_parse(bridge_attrs
, __BRIDGE_ATTR_MAX
, tb_br
,
389 blob_data(attr
), blob_len(attr
));
391 bst
= calloc(1, sizeof(*bst
));
396 device_init(dev
, &bridge_device_type
, name
);
397 device_init_settings(dev
, tb_dev
);
398 dev
->config_pending
= true;
399 bst
->ifnames
= tb_br
[BRIDGE_ATTR_IFNAME
];
400 bridge_apply_settings(bst
, tb_br
);
402 bst
->set_state
= dev
->set_state
;
403 dev
->set_state
= bridge_set_state
;
405 dev
->hotplug_ops
= &bridge_ops
;
407 INIT_LIST_HEAD(&bst
->members
);