12 static LIST_HEAD(interfaces
);
22 static const union config_param_info iface_attr_info
[IFACE_ATTR_MAX
] = {
23 [IFACE_ATTR_IFNAME
].type
= BLOBMSG_TYPE_STRING
,
26 static const struct blobmsg_policy iface_attrs
[IFACE_ATTR_MAX
] = {
27 [IFACE_ATTR_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
28 [IFACE_ATTR_PROTO
] = { .name
= "proto", .type
= BLOBMSG_TYPE_STRING
},
29 [IFACE_ATTR_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_ARRAY
},
30 [IFACE_ATTR_AUTO
] = { .name
= "auto", .type
= BLOBMSG_TYPE_BOOL
},
33 const struct config_param_list interface_attr_list
= {
34 .n_params
= IFACE_ATTR_MAX
,
35 .params
= iface_attrs
,
36 .info
= iface_attr_info
,
40 clear_interface_errors(struct interface
*iface
)
42 struct interface_error
*error
, *tmp
;
44 list_for_each_entry_safe(error
, tmp
, &iface
->errors
, list
) {
45 list_del(&error
->list
);
50 void interface_add_error(struct interface
*iface
, const char *subsystem
,
51 const char *code
, const char **data
, int n_data
)
53 struct interface_error
*error
;
59 len
= n_data
* sizeof(char *);
60 datalen
= alloca(len
);
61 for (i
= 0; i
< n_data
; i
++) {
62 datalen
[i
] = strlen(data
[i
]) + 1;
67 error
= calloc(1, sizeof(*error
) + sizeof(char *) + len
);
71 list_add_tail(&error
->list
, &iface
->errors
);
72 error
->subsystem
= subsystem
;
75 dest
= (char *) &error
->data
[n_data
+ 1];
76 for (i
= 0; i
< n_data
; i
++) {
77 error
->data
[i
] = dest
;
78 memcpy(dest
, data
[i
], datalen
[i
]);
81 error
->data
[n_data
] = NULL
;
85 interface_event(struct interface
*iface
, enum interface_event ev
)
91 mark_interface_down(struct interface
*iface
)
93 interface_del_ctx_addr(iface
, NULL
);
94 device_release(iface
->main_dev
.dev
);
95 iface
->state
= IFS_DOWN
;
99 __interface_set_up(struct interface
*iface
)
103 if (iface
->state
!= IFS_DOWN
)
106 ret
= device_claim(iface
->main_dev
.dev
);
110 iface
->state
= IFS_SETUP
;
111 ret
= interface_proto_event(iface
->proto
, PROTO_CMD_SETUP
, false);
113 mark_interface_down(iface
);
122 __interface_set_down(struct interface
*iface
, bool force
)
124 clear_interface_errors(iface
);
126 if (iface
->state
== IFS_DOWN
||
127 iface
->state
== IFS_TEARDOWN
)
130 iface
->state
= IFS_TEARDOWN
;
131 interface_event(iface
, IFEV_DOWN
);
133 interface_del_all_routes(iface
);
134 interface_proto_event(iface
->proto
, PROTO_CMD_TEARDOWN
, force
);
138 interface_cb(struct device_user
*dep
, enum device_event ev
)
140 struct interface
*iface
;
143 iface
= container_of(dep
, struct interface
, main_dev
);
148 case DEV_EVENT_REMOVE
:
155 if (iface
->active
== new_state
)
158 iface
->active
= new_state
;
161 if (iface
->autostart
&& !config_init
)
162 interface_set_up(iface
);
164 __interface_set_down(iface
, true);
168 interface_proto_cb(struct interface_proto_state
*state
, enum interface_proto_event ev
)
170 struct interface
*iface
= state
->iface
;
174 if (iface
->state
!= IFS_SETUP
)
177 iface
->state
= IFS_UP
;
178 interface_event(iface
, IFEV_UP
);
181 if (iface
->state
== IFS_DOWN
)
184 mark_interface_down(iface
);
189 void interface_set_proto_state(struct interface
*iface
, struct interface_proto_state
*state
)
192 interface_proto_event(iface
->proto
, PROTO_CMD_TEARDOWN
, true);
193 iface
->proto
->free(iface
->proto
);
196 iface
->state
= IFS_DOWN
;
197 iface
->proto
= state
;
201 state
->proto_event
= interface_proto_cb
;
202 state
->iface
= iface
;
206 alloc_interface(const char *name
, struct uci_section
*s
, struct blob_attr
*attr
)
208 struct interface
*iface
;
209 struct blob_attr
*tb
[IFACE_ATTR_MAX
];
210 struct blob_attr
*cur
;
213 iface
= get_interface(name
);
217 iface
= calloc(1, sizeof(*iface
));
218 iface
->main_dev
.cb
= interface_cb
;
219 iface
->l3_iface
= &iface
->main_dev
;
220 strncpy(iface
->name
, name
, sizeof(iface
->name
) - 1);
221 list_add(&iface
->list
, &interfaces
);
222 INIT_LIST_HEAD(&iface
->errors
);
223 INIT_LIST_HEAD(&iface
->address
);
224 INIT_LIST_HEAD(&iface
->routes
);
226 proto_attach_interface(iface
, s
);
228 netifd_ubus_add_interface(iface
);
230 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
,
231 blob_data(attr
), blob_len(attr
));
233 if ((cur
= tb
[IFACE_ATTR_TYPE
])) {
234 if (!strcmp(blobmsg_data(cur
), "bridge"))
235 interface_attach_bridge(iface
, s
);
238 if ((cur
= tb
[IFACE_ATTR_IFNAME
])) {
239 dev
= device_get(blobmsg_data(cur
), true);
241 device_add_user(&iface
->main_dev
, dev
);
248 free_interface(struct interface
*iface
)
250 netifd_ubus_remove_interface(iface
);
251 list_del(&iface
->list
);
252 if (iface
->proto
->free
)
253 iface
->proto
->free(iface
->proto
);
258 get_interface(const char *name
)
260 struct interface
*iface
;
262 list_for_each_entry(iface
, &interfaces
, list
) {
263 if (!strcmp(iface
->name
, name
))
270 interface_remove_link(struct interface
*iface
, struct device
*dev
)
272 struct device
*mdev
= iface
->main_dev
.dev
;
274 if (mdev
&& mdev
->hotplug_ops
) {
275 mdev
->hotplug_ops
->del(mdev
, dev
);
279 device_remove_user(&iface
->main_dev
);
283 interface_add_link(struct interface
*iface
, struct device
*dev
)
285 struct device
*mdev
= iface
->main_dev
.dev
;
287 if (mdev
&& mdev
->hotplug_ops
)
288 return mdev
->hotplug_ops
->add(mdev
, dev
);
290 if (iface
->main_dev
.dev
)
291 interface_remove_link(iface
, NULL
);
293 device_add_user(&iface
->main_dev
, dev
);
299 interface_set_up(struct interface
*iface
)
301 iface
->autostart
= true;
303 if (!iface
->active
) {
304 interface_add_error(iface
, "interface", "NO_DEVICE", NULL
, 0);
308 if (iface
->state
!= IFS_DOWN
)
311 return __interface_set_up(iface
);
315 interface_set_down(struct interface
*iface
)
317 iface
->autostart
= false;
318 __interface_set_down(iface
, false);
324 interface_start_pending(void)
326 struct interface
*iface
;
328 list_for_each_entry(iface
, &interfaces
, list
) {
329 if (iface
->active
&& iface
->autostart
)
330 interface_set_up(iface
);