11 static LIST_HEAD(interfaces
);
14 clear_interface_errors(struct interface
*iface
)
16 struct interface_error
*error
, *tmp
;
18 list_for_each_entry_safe(error
, tmp
, &iface
->errors
, list
) {
19 list_del(&error
->list
);
24 void interface_add_error(struct interface
*iface
, const char *subsystem
,
25 const char *code
, const char **data
, int n_data
)
27 struct interface_error
*error
;
33 len
= n_data
* sizeof(char *);
34 datalen
= alloca(len
);
35 for (i
= 0; i
< n_data
; i
++) {
36 datalen
[i
] = strlen(data
[i
]) + 1;
41 error
= calloc(1, sizeof(*error
) + sizeof(char *) + len
);
45 list_add_tail(&error
->list
, &iface
->errors
);
46 error
->subsystem
= subsystem
;
49 dest
= (char *) &error
->data
[n_data
+ 1];
50 for (i
= 0; i
< n_data
; i
++) {
51 error
->data
[i
] = dest
;
52 memcpy(dest
, data
[i
], datalen
[i
]);
55 error
->data
[n_data
] = NULL
;
59 interface_event(struct interface
*iface
, enum interface_event ev
)
65 mark_interface_down(struct interface
*iface
)
67 release_device(iface
->main_dev
.dev
);
68 iface
->state
= IFS_DOWN
;
72 __set_interface_up(struct interface
*iface
)
76 if (iface
->state
!= IFS_DOWN
)
79 ret
= claim_device(iface
->main_dev
.dev
);
83 iface
->state
= IFS_SETUP
;
84 ret
= interface_proto_event(iface
->proto
, PROTO_CMD_SETUP
, false);
86 mark_interface_down(iface
);
95 __set_interface_down(struct interface
*iface
, bool force
)
97 clear_interface_errors(iface
);
99 if (iface
->state
== IFS_DOWN
||
100 iface
->state
== IFS_TEARDOWN
)
103 iface
->state
= IFS_TEARDOWN
;
104 interface_event(iface
, IFEV_DOWN
);
106 interface_proto_event(iface
->proto
, PROTO_CMD_TEARDOWN
, force
);
110 interface_cb(struct device_user
*dep
, enum device_event ev
)
112 struct interface
*iface
;
115 iface
= container_of(dep
, struct interface
, main_dev
);
120 case DEV_EVENT_REMOVE
:
127 if (iface
->active
== new_state
)
130 iface
->active
= new_state
;
133 if (iface
->autostart
&& !config_init
)
134 set_interface_up(iface
);
136 __set_interface_down(iface
, true);
140 interface_proto_cb(struct interface_proto_state
*state
, enum interface_proto_event ev
)
142 struct interface
*iface
= state
->iface
;
146 if (iface
->state
!= IFS_SETUP
)
149 iface
->state
= IFS_UP
;
150 interface_event(iface
, IFEV_UP
);
153 if (iface
->state
== IFS_DOWN
)
156 mark_interface_down(iface
);
161 void interface_set_proto_state(struct interface
*iface
, struct interface_proto_state
*state
)
164 interface_proto_event(iface
->proto
, PROTO_CMD_TEARDOWN
, true);
165 iface
->proto
->free(iface
->proto
);
168 iface
->state
= IFS_DOWN
;
169 iface
->proto
= state
;
173 state
->proto_event
= interface_proto_cb
;
174 state
->iface
= iface
;
178 alloc_interface(const char *name
, struct uci_section
*s
)
180 struct interface
*iface
;
182 iface
= get_interface(name
);
186 iface
= calloc(1, sizeof(*iface
));
187 iface
->main_dev
.cb
= interface_cb
;
188 iface
->l3_iface
= &iface
->main_dev
;
189 strncpy(iface
->name
, name
, sizeof(iface
->name
) - 1);
190 list_add(&iface
->list
, &interfaces
);
191 INIT_LIST_HEAD(&iface
->errors
);
193 proto_attach_interface(iface
, s
);
195 netifd_ubus_add_interface(iface
);
201 free_interface(struct interface
*iface
)
203 netifd_ubus_remove_interface(iface
);
204 list_del(&iface
->list
);
205 if (iface
->proto
->free
)
206 iface
->proto
->free(iface
->proto
);
211 get_interface(const char *name
)
213 struct interface
*iface
;
215 list_for_each_entry(iface
, &interfaces
, list
) {
216 if (!strcmp(iface
->name
, name
))
223 interface_remove_link(struct interface
*iface
, struct device
*dev
)
225 struct device
*mdev
= iface
->main_dev
.dev
;
227 if (mdev
&& mdev
->hotplug_ops
) {
228 mdev
->hotplug_ops
->del(mdev
, dev
);
232 remove_device_user(&iface
->main_dev
);
236 interface_add_link(struct interface
*iface
, struct device
*dev
)
238 struct device
*mdev
= iface
->main_dev
.dev
;
240 if (mdev
&& mdev
->hotplug_ops
)
241 return mdev
->hotplug_ops
->add(mdev
, dev
);
243 if (iface
->main_dev
.dev
)
244 interface_remove_link(iface
, NULL
);
246 add_device_user(&iface
->main_dev
, dev
);
252 set_interface_up(struct interface
*iface
)
254 iface
->autostart
= true;
256 if (!iface
->active
) {
257 interface_add_error(iface
, "interface", "NO_DEVICE", NULL
, 0);
261 if (iface
->state
!= IFS_DOWN
)
264 return __set_interface_up(iface
);
268 set_interface_down(struct interface
*iface
)
270 iface
->autostart
= false;
271 __set_interface_down(iface
, false);
277 start_pending_interfaces(void)
279 struct interface
*iface
;
281 list_for_each_entry(iface
, &interfaces
, list
) {
282 if (iface
->active
&& iface
->autostart
)
283 set_interface_up(iface
);