2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.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 <sys/types.h>
20 #include <sys/socket.h>
21 #include <net/ethernet.h>
24 #include <netinet/ether.h>
27 #include <libubox/list.h>
33 static struct list_head devtypes
= LIST_HEAD_INIT(devtypes
);
34 static struct avl_tree devices
;
35 static bool default_ps
= true;
37 static const struct blobmsg_policy dev_attrs
[__DEV_ATTR_MAX
] = {
38 [DEV_ATTR_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
39 [DEV_ATTR_MTU
] = { .name
= "mtu", .type
= BLOBMSG_TYPE_INT32
},
40 [DEV_ATTR_MTU6
] = { .name
= "mtu6", .type
= BLOBMSG_TYPE_INT32
},
41 [DEV_ATTR_MACADDR
] = { .name
= "macaddr", .type
= BLOBMSG_TYPE_STRING
},
42 [DEV_ATTR_TXQUEUELEN
] = { .name
= "txqueuelen", .type
= BLOBMSG_TYPE_INT32
},
43 [DEV_ATTR_ENABLED
] = { .name
= "enabled", .type
= BLOBMSG_TYPE_BOOL
},
44 [DEV_ATTR_IPV6
] = { .name
= "ipv6", .type
= BLOBMSG_TYPE_BOOL
},
45 [DEV_ATTR_PROMISC
] = { .name
= "promisc", .type
= BLOBMSG_TYPE_BOOL
},
46 [DEV_ATTR_RPFILTER
] = { .name
= "rpfilter", .type
= BLOBMSG_TYPE_STRING
},
47 [DEV_ATTR_ACCEPTLOCAL
] = { .name
= "acceptlocal", .type
= BLOBMSG_TYPE_BOOL
},
48 [DEV_ATTR_IGMPVERSION
] = { .name
= "igmpversion", .type
= BLOBMSG_TYPE_INT32
},
49 [DEV_ATTR_MLDVERSION
] = { .name
= "mldversion", .type
= BLOBMSG_TYPE_INT32
},
50 [DEV_ATTR_NEIGHREACHABLETIME
] = { .name
= "neighreachabletime", .type
= BLOBMSG_TYPE_INT32
},
51 [DEV_ATTR_NEIGHGCSTALETIME
] = { .name
= "neighgcstaletime", .type
= BLOBMSG_TYPE_INT32
},
52 [DEV_ATTR_RPS
] = { .name
= "rps", .type
= BLOBMSG_TYPE_BOOL
},
53 [DEV_ATTR_XPS
] = { .name
= "xps", .type
= BLOBMSG_TYPE_BOOL
},
54 [DEV_ATTR_DADTRANSMITS
] = { .name
= "dadtransmits", .type
= BLOBMSG_TYPE_INT32
},
55 [DEV_ATTR_MULTICAST_TO_UNICAST
] = { .name
= "multicast_to_unicast", .type
= BLOBMSG_TYPE_BOOL
},
56 [DEV_ATTR_MULTICAST_ROUTER
] = { .name
= "multicast_router", .type
= BLOBMSG_TYPE_INT32
},
57 [DEV_ATTR_MULTICAST
] = { .name
="multicast", .type
= BLOBMSG_TYPE_BOOL
},
58 [DEV_ATTR_LEARNING
] = { .name
="learning", .type
= BLOBMSG_TYPE_BOOL
},
59 [DEV_ATTR_UNICAST_FLOOD
] = { .name
="unicast_flood", .type
= BLOBMSG_TYPE_BOOL
},
62 const struct uci_blob_param_list device_attr_list
= {
63 .n_params
= __DEV_ATTR_MAX
,
67 static int __devlock
= 0;
69 int device_type_add(struct device_type
*devtype
)
71 if (device_type_get(devtype
->name
)) {
72 netifd_log_message(L_WARNING
, "Device handler '%s' already exists\n",
77 netifd_log_message(L_NOTICE
, "Added device handler type: %s\n",
80 list_add(&devtype
->list
, &devtypes
);
84 /* initialize device type list and add known types */
85 static void __init
devtypes_init(void)
87 device_type_add(&simple_device_type
);
88 device_type_add(&bridge_device_type
);
89 device_type_add(&tunnel_device_type
);
90 device_type_add(&macvlan_device_type
);
91 device_type_add(&vlandev_device_type
);
94 /* Retrieve the device type for the given name. If 'bridge' is true, the type
95 * must have bridge capabilities
98 device_type_get(const char *tname
)
100 struct device_type
*cur
;
102 list_for_each_entry(cur
, &devtypes
, list
)
103 if (!strcmp(cur
->name
, tname
))
109 void device_lock(void)
114 void device_unlock(void)
118 device_free_unused(NULL
);
121 static int set_device_state(struct device
*dev
, bool state
)
124 /* Get ifindex for all devices being enabled so a valid */
125 /* ifindex is in place avoiding possible race conditions */
126 device_set_ifindex(dev
, system_if_resolve(dev
));
139 simple_device_set_state(struct device
*dev
, bool state
)
144 pdev
= dev
->parent
.dev
;
145 if (state
&& !pdev
) {
146 pdev
= system_if_get_parent(dev
);
148 device_add_user(&dev
->parent
, pdev
);
153 ret
= device_claim(&dev
->parent
);
155 device_release(&dev
->parent
);
160 return set_device_state(dev
, state
);
163 static struct device
*
164 simple_device_create(const char *name
, struct device_type
*devtype
,
165 struct blob_attr
*attr
)
167 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
168 struct device
*dev
= NULL
;
170 /* device type is unused for simple devices */
173 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
, blob_data(attr
), blob_len(attr
));
174 dev
= device_get(name
, true);
178 dev
->set_state
= simple_device_set_state
;
179 device_init_settings(dev
, tb
);
184 static void simple_device_free(struct device
*dev
)
187 device_remove_user(&dev
->parent
);
191 struct device_type simple_device_type
= {
192 .name
= "Network device",
193 .config_params
= &device_attr_list
,
195 .create
= simple_device_create
,
196 .check_state
= system_if_check
,
197 .free
= simple_device_free
,
201 device_merge_settings(struct device
*dev
, struct device_settings
*n
)
203 struct device_settings
*os
= &dev
->orig_settings
;
204 struct device_settings
*s
= &dev
->settings
;
206 memset(n
, 0, sizeof(*n
));
207 n
->mtu
= s
->flags
& DEV_OPT_MTU
? s
->mtu
: os
->mtu
;
208 n
->mtu6
= s
->flags
& DEV_OPT_MTU6
? s
->mtu6
: os
->mtu6
;
209 n
->txqueuelen
= s
->flags
& DEV_OPT_TXQUEUELEN
?
210 s
->txqueuelen
: os
->txqueuelen
;
212 (s
->flags
& DEV_OPT_MACADDR
? s
->macaddr
: os
->macaddr
),
214 n
->ipv6
= s
->flags
& DEV_OPT_IPV6
? s
->ipv6
: os
->ipv6
;
215 n
->promisc
= s
->flags
& DEV_OPT_PROMISC
? s
->promisc
: os
->promisc
;
216 n
->rpfilter
= s
->flags
& DEV_OPT_RPFILTER
? s
->rpfilter
: os
->rpfilter
;
217 n
->acceptlocal
= s
->flags
& DEV_OPT_ACCEPTLOCAL
? s
->acceptlocal
: os
->acceptlocal
;
218 n
->igmpversion
= s
->flags
& DEV_OPT_IGMPVERSION
? s
->igmpversion
: os
->igmpversion
;
219 n
->mldversion
= s
->flags
& DEV_OPT_MLDVERSION
? s
->mldversion
: os
->mldversion
;
220 n
->neigh4reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
221 s
->neigh4reachabletime
: os
->neigh4reachabletime
;
222 n
->neigh6reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
223 s
->neigh6reachabletime
: os
->neigh6reachabletime
;
224 n
->neigh4gcstaletime
= s
->flags
& DEV_OPT_NEIGHGCSTALETIME
?
225 s
->neigh4gcstaletime
: os
->neigh4gcstaletime
;
226 n
->neigh6gcstaletime
= s
->flags
& DEV_OPT_NEIGHGCSTALETIME
?
227 s
->neigh6gcstaletime
: os
->neigh6gcstaletime
;
228 n
->dadtransmits
= s
->flags
& DEV_OPT_DADTRANSMITS
?
229 s
->dadtransmits
: os
->dadtransmits
;
230 n
->multicast
= s
->flags
& DEV_OPT_MULTICAST
?
231 s
->multicast
: os
->multicast
;
232 n
->multicast_to_unicast
= s
->multicast_to_unicast
;
233 n
->multicast_router
= s
->multicast_router
;
234 n
->learning
= s
->learning
;
235 n
->unicast_flood
= s
->unicast_flood
;
236 n
->flags
= s
->flags
| os
->flags
| os
->valid_flags
;
240 device_init_settings(struct device
*dev
, struct blob_attr
**tb
)
242 struct device_settings
*s
= &dev
->settings
;
243 struct blob_attr
*cur
;
244 struct ether_addr
*ea
;
245 bool disabled
= false;
248 if ((cur
= tb
[DEV_ATTR_ENABLED
]))
249 disabled
= !blobmsg_get_bool(cur
);
251 if ((cur
= tb
[DEV_ATTR_MTU
])) {
252 s
->mtu
= blobmsg_get_u32(cur
);
253 s
->flags
|= DEV_OPT_MTU
;
256 if ((cur
= tb
[DEV_ATTR_MTU6
])) {
257 s
->mtu6
= blobmsg_get_u32(cur
);
258 s
->flags
|= DEV_OPT_MTU6
;
261 if ((cur
= tb
[DEV_ATTR_TXQUEUELEN
])) {
262 s
->txqueuelen
= blobmsg_get_u32(cur
);
263 s
->flags
|= DEV_OPT_TXQUEUELEN
;
266 if ((cur
= tb
[DEV_ATTR_MACADDR
])) {
267 ea
= ether_aton(blobmsg_data(cur
));
269 memcpy(s
->macaddr
, ea
, 6);
270 s
->flags
|= DEV_OPT_MACADDR
;
274 if ((cur
= tb
[DEV_ATTR_IPV6
])) {
275 s
->ipv6
= blobmsg_get_bool(cur
);
276 s
->flags
|= DEV_OPT_IPV6
;
279 if ((cur
= tb
[DEV_ATTR_PROMISC
])) {
280 s
->promisc
= blobmsg_get_bool(cur
);
281 s
->flags
|= DEV_OPT_PROMISC
;
284 if ((cur
= tb
[DEV_ATTR_RPFILTER
])) {
285 if (system_resolve_rpfilter(blobmsg_data(cur
), &s
->rpfilter
))
286 s
->flags
|= DEV_OPT_RPFILTER
;
288 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur
));
291 if ((cur
= tb
[DEV_ATTR_ACCEPTLOCAL
])) {
292 s
->acceptlocal
= blobmsg_get_bool(cur
);
293 s
->flags
|= DEV_OPT_ACCEPTLOCAL
;
296 if ((cur
= tb
[DEV_ATTR_IGMPVERSION
])) {
297 s
->igmpversion
= blobmsg_get_u32(cur
);
298 if (s
->igmpversion
>= 1 && s
->igmpversion
<= 3)
299 s
->flags
|= DEV_OPT_IGMPVERSION
;
301 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur
));
304 if ((cur
= tb
[DEV_ATTR_MLDVERSION
])) {
305 s
->mldversion
= blobmsg_get_u32(cur
);
306 if (s
->mldversion
>= 1 && s
->mldversion
<= 2)
307 s
->flags
|= DEV_OPT_MLDVERSION
;
309 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur
));
312 if ((cur
= tb
[DEV_ATTR_NEIGHREACHABLETIME
])) {
313 s
->neigh6reachabletime
= s
->neigh4reachabletime
= blobmsg_get_u32(cur
);
314 s
->flags
|= DEV_OPT_NEIGHREACHABLETIME
;
317 if ((cur
= tb
[DEV_ATTR_NEIGHGCSTALETIME
])) {
318 s
->neigh6gcstaletime
= s
->neigh4gcstaletime
= blobmsg_get_u32(cur
);
319 s
->flags
|= DEV_OPT_NEIGHGCSTALETIME
;
322 if ((cur
= tb
[DEV_ATTR_RPS
])) {
323 s
->rps
= blobmsg_get_bool(cur
);
324 s
->flags
|= DEV_OPT_RPS
;
329 if ((cur
= tb
[DEV_ATTR_XPS
])) {
330 s
->xps
= blobmsg_get_bool(cur
);
331 s
->flags
|= DEV_OPT_XPS
;
336 if ((cur
= tb
[DEV_ATTR_DADTRANSMITS
])) {
337 s
->dadtransmits
= blobmsg_get_u32(cur
);
338 s
->flags
|= DEV_OPT_DADTRANSMITS
;
341 if ((cur
= tb
[DEV_ATTR_MULTICAST_TO_UNICAST
])) {
342 s
->multicast_to_unicast
= blobmsg_get_bool(cur
);
343 s
->flags
|= DEV_OPT_MULTICAST_TO_UNICAST
;
346 if ((cur
= tb
[DEV_ATTR_MULTICAST_ROUTER
])) {
347 s
->multicast_router
= blobmsg_get_u32(cur
);
348 if (s
->multicast_router
<= 2)
349 s
->flags
|= DEV_OPT_MULTICAST_ROUTER
;
351 DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur
));
354 if ((cur
= tb
[DEV_ATTR_MULTICAST
])) {
355 s
->multicast
= blobmsg_get_bool(cur
);
356 s
->flags
|= DEV_OPT_MULTICAST
;
359 if ((cur
= tb
[DEV_ATTR_LEARNING
])) {
360 s
->learning
= blobmsg_get_bool(cur
);
361 s
->flags
|= DEV_OPT_LEARNING
;
364 if ((cur
= tb
[DEV_ATTR_UNICAST_FLOOD
])) {
365 s
->unicast_flood
= blobmsg_get_bool(cur
);
366 s
->flags
|= DEV_OPT_UNICAST_FLOOD
;
369 device_set_disabled(dev
, disabled
);
372 static void __init
dev_init(void)
374 avl_init(&devices
, avl_strcmp
, true, NULL
);
377 static int device_broadcast_cb(void *ctx
, struct safe_list
*list
)
379 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
382 /* device might have been removed by an earlier callback */
391 void device_broadcast_event(struct device
*dev
, enum device_event ev
)
395 safe_list_for_each(&dev
->aliases
, device_broadcast_cb
, &dev_ev
);
396 safe_list_for_each(&dev
->users
, device_broadcast_cb
, &dev_ev
);
399 int device_claim(struct device_user
*dep
)
401 struct device
*dev
= dep
->dev
;
411 D(DEVICE
, "Claim %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
+ 1);
412 if (++dev
->active
!= 1)
415 device_broadcast_event(dev
, DEV_EVENT_SETUP
);
417 /* Get ifindex for external claimed devices so a valid */
418 /* ifindex is in place avoiding possible race conditions */
419 device_set_ifindex(dev
, system_if_resolve(dev
));
423 system_if_get_settings(dev
, &dev
->orig_settings
);
425 ret
= dev
->set_state(dev
, true);
428 device_broadcast_event(dev
, DEV_EVENT_UP
);
430 D(DEVICE
, "claim %s %s failed: %d\n", dev
->type
->name
, dev
->ifname
, ret
);
432 dep
->claimed
= false;
438 void device_release(struct device_user
*dep
)
440 struct device
*dev
= dep
->dev
;
445 dep
->claimed
= false;
447 D(DEVICE
, "Release %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
);
448 assert(dev
->active
>= 0);
453 device_broadcast_event(dev
, DEV_EVENT_TEARDOWN
);
455 dev
->set_state(dev
, false);
456 device_broadcast_event(dev
, DEV_EVENT_DOWN
);
459 int device_check_state(struct device
*dev
)
461 if (!dev
->type
->check_state
)
462 return simple_device_type
.check_state(dev
);
464 return dev
->type
->check_state(dev
);
467 void device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
)
472 D(DEVICE
, "Initialize device '%s'\n", name
? name
: "");
473 INIT_SAFE_LIST(&dev
->users
);
474 INIT_SAFE_LIST(&dev
->aliases
);
478 device_set_ifname(dev
, name
);
481 dev
->set_state
= set_device_state
;
484 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
)
488 device_init_virtual(dev
, type
, ifname
);
490 dev
->avl
.key
= dev
->ifname
;
492 ret
= avl_insert(&devices
, &dev
->avl
);
496 system_if_clear_state(dev
);
497 device_check_state(dev
);
498 dev
->settings
.rps
= default_ps
;
499 dev
->settings
.xps
= default_ps
;
504 static struct device
*
505 device_create_default(const char *name
, bool external
)
509 if (!external
&& system_if_force_external(name
))
512 D(DEVICE
, "Create simple device '%s'\n", name
);
513 dev
= calloc(1, sizeof(*dev
));
517 dev
->external
= external
;
518 dev
->set_state
= simple_device_set_state
;
519 device_init(dev
, &simple_device_type
, name
);
520 dev
->default_config
= true;
522 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
527 device_find(const char *name
)
531 return avl_find_element(&devices
, name
, dev
, avl
);
535 device_get(const char *name
, int create
)
539 if (strchr(name
, '.'))
540 return get_vlan_device_chain(name
, create
);
543 return device_alias_get(name
+ 1);
545 dev
= avl_find_element(&devices
, name
, dev
, avl
);
547 if (create
> 1 && !dev
->external
) {
548 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
549 dev
->external
= true;
550 device_set_present(dev
, true);
558 return device_create_default(name
, create
> 1);
562 device_delete(struct device
*dev
)
567 D(DEVICE
, "Delete device '%s' from list\n", dev
->ifname
);
568 avl_delete(&devices
, &dev
->avl
);
572 static int device_cleanup_cb(void *ctx
, struct safe_list
*list
)
574 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
576 dep
->cb(dep
, DEV_EVENT_REMOVE
);
582 void device_cleanup(struct device
*dev
)
584 D(DEVICE
, "Clean up device '%s'\n", dev
->ifname
);
585 safe_list_for_each(&dev
->users
, device_cleanup_cb
, NULL
);
586 safe_list_for_each(&dev
->aliases
, device_cleanup_cb
, NULL
);
590 static void __device_set_present(struct device
*dev
, bool state
)
592 if (dev
->present
== state
)
595 dev
->present
= state
;
596 device_broadcast_event(dev
, state
? DEV_EVENT_ADD
: DEV_EVENT_REMOVE
);
600 device_refresh_present(struct device
*dev
)
602 bool state
= dev
->sys_present
;
604 if (dev
->disabled
|| dev
->deferred
)
607 __device_set_present(dev
, state
);
610 void device_set_present(struct device
*dev
, bool state
)
612 if (dev
->sys_present
== state
)
615 D(DEVICE
, "%s '%s' %s present\n", dev
->type
->name
, dev
->ifname
, state
? "is now" : "is no longer" );
616 dev
->sys_present
= state
;
617 device_refresh_present(dev
);
620 void device_set_link(struct device
*dev
, bool state
)
622 if (dev
->link_active
== state
)
625 netifd_log_message(L_NOTICE
, "%s '%s' link is %s\n", dev
->type
->name
, dev
->ifname
, state
? "up" : "down" );
627 dev
->link_active
= state
;
628 device_broadcast_event(dev
, state
? DEV_EVENT_LINK_UP
: DEV_EVENT_LINK_DOWN
);
631 void device_set_ifindex(struct device
*dev
, int ifindex
)
633 if (dev
->ifindex
== ifindex
)
636 dev
->ifindex
= ifindex
;
637 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFINDEX
);
640 int device_set_ifname(struct device
*dev
, const char *name
)
644 if (!strcmp(dev
->ifname
, name
))
648 avl_delete(&devices
, &dev
->avl
);
650 strncpy(dev
->ifname
, name
, IFNAMSIZ
);
653 ret
= avl_insert(&devices
, &dev
->avl
);
656 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFNAME
);
661 static int device_refcount(struct device
*dev
)
663 struct list_head
*list
;
666 list_for_each(list
, &dev
->users
.list
)
669 list_for_each(list
, &dev
->aliases
.list
)
676 __device_add_user(struct device_user
*dep
, struct device
*dev
)
678 struct safe_list
*head
;
683 head
= &dev
->aliases
;
687 safe_list_add(&dep
->list
, head
);
688 D(DEVICE
, "Add user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
690 if (dep
->cb
&& dev
->present
) {
691 dep
->cb(dep
, DEV_EVENT_ADD
);
693 dep
->cb(dep
, DEV_EVENT_UP
);
695 if (dev
->link_active
)
696 dep
->cb(dep
, DEV_EVENT_LINK_UP
);
700 void device_add_user(struct device_user
*dep
, struct device
*dev
)
706 device_remove_user(dep
);
711 __device_add_user(dep
, dev
);
715 device_free(struct device
*dev
)
720 dev
->type
->free(dev
);
725 __device_free_unused(struct device
*dev
)
727 if (!safe_list_empty(&dev
->users
) ||
728 !safe_list_empty(&dev
->aliases
) ||
729 dev
->current_config
|| __devlock
)
735 void device_remove_user(struct device_user
*dep
)
737 struct device
*dev
= dep
->dev
;
742 dep
->hotplug
= false;
746 safe_list_del(&dep
->list
);
748 D(DEVICE
, "Remove user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
749 __device_free_unused(dev
);
753 device_free_unused(struct device
*dev
)
758 return __device_free_unused(dev
);
760 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
)
761 __device_free_unused(dev
);
765 device_init_pending(void)
767 struct device
*dev
, *tmp
;
769 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
770 if (!dev
->config_pending
)
773 dev
->type
->config_init(dev
);
774 dev
->config_pending
= false;
778 static enum dev_change_type
779 device_set_config(struct device
*dev
, struct device_type
*type
,
780 struct blob_attr
*attr
)
782 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
783 const struct uci_blob_param_list
*cfg
= type
->config_params
;
785 if (type
!= dev
->type
)
786 return DEV_CONFIG_RECREATE
;
788 if (dev
->type
->reload
)
789 return dev
->type
->reload(dev
, attr
);
791 if (uci_blob_check_equal(dev
->config
, attr
, cfg
))
792 return DEV_CONFIG_NO_CHANGE
;
794 if (cfg
== &device_attr_list
) {
795 memset(tb
, 0, sizeof(tb
));
798 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
,
799 blob_data(attr
), blob_len(attr
));
801 device_init_settings(dev
, tb
);
802 return DEV_CONFIG_RESTART
;
804 return DEV_CONFIG_RECREATE
;
808 device_apply_config(struct device
*dev
, struct device_type
*type
,
809 struct blob_attr
*config
)
811 enum dev_change_type change
;
813 change
= device_set_config(dev
, type
, config
);
815 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
816 change
= DEV_CONFIG_APPLIED
;
820 case DEV_CONFIG_RESTART
:
821 case DEV_CONFIG_APPLIED
:
822 D(DEVICE
, "Device '%s': config applied\n", dev
->ifname
);
823 config
= blob_memdup(config
);
825 dev
->config
= config
;
826 if (change
== DEV_CONFIG_RESTART
&& dev
->present
) {
829 device_set_present(dev
, false);
830 if (dev
->active
&& !dev
->external
) {
831 ret
= dev
->set_state(dev
, false);
833 ret
= dev
->set_state(dev
, true);
836 device_set_present(dev
, true);
839 case DEV_CONFIG_NO_CHANGE
:
840 D(DEVICE
, "Device '%s': no configuration change\n", dev
->ifname
);
842 case DEV_CONFIG_RECREATE
:
850 device_replace(struct device
*dev
, struct device
*odev
)
852 struct device_user
*dep
, *tmp
;
856 device_set_present(odev
, false);
858 list_for_each_entry_safe(dep
, tmp
, &odev
->users
.list
, list
.list
) {
860 safe_list_del(&dep
->list
);
861 __device_add_user(dep
, dev
);
869 device_reset_config(void)
873 avl_for_each_element(&devices
, dev
, avl
)
874 dev
->current_config
= false;
878 device_reset_old(void)
880 struct device
*dev
, *tmp
, *ndev
;
882 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
883 if (dev
->current_config
|| dev
->default_config
)
886 if (dev
->type
!= &simple_device_type
)
889 ndev
= device_create_default(dev
->ifname
, dev
->external
);
893 device_replace(ndev
, dev
);
898 device_set_default_ps(bool state
)
902 if (state
== default_ps
)
907 avl_for_each_element(&devices
, dev
, avl
) {
908 struct device_settings
*s
= &dev
->settings
;
909 unsigned int apply_mask
= 0;
911 if (!(s
->flags
& DEV_OPT_RPS
)) {
913 apply_mask
|= DEV_OPT_RPS
;
916 if (!(s
->flags
& DEV_OPT_XPS
)) {
918 apply_mask
|= DEV_OPT_XPS
;
924 if (!(dev
->external
|| (dev
->present
&& dev
->active
)) ||
928 system_if_apply_settings(dev
, s
, apply_mask
);
933 device_create(const char *name
, struct device_type
*type
,
934 struct blob_attr
*config
)
936 struct device
*odev
= NULL
, *dev
;
937 enum dev_change_type change
;
939 odev
= device_get(name
, false);
941 odev
->current_config
= true;
942 change
= device_apply_config(odev
, type
, config
);
944 case DEV_CONFIG_RECREATE
:
945 D(DEVICE
, "Device '%s': recreate device\n", odev
->ifname
);
952 D(DEVICE
, "Create new device '%s' (%s)\n", name
, type
->name
);
954 config
= blob_memdup(config
);
958 dev
= type
->create(name
, type
, config
);
962 dev
->current_config
= true;
963 dev
->config
= config
;
965 device_replace(dev
, odev
);
967 if (!config_init
&& dev
->config_pending
) {
968 type
->config_init(dev
);
969 dev
->config_pending
= false;
976 device_dump_status(struct blob_buf
*b
, struct device
*dev
)
978 struct device_settings st
;
982 avl_for_each_element(&devices
, dev
, avl
) {
985 c
= blobmsg_open_table(b
, dev
->ifname
);
986 device_dump_status(b
, dev
);
987 blobmsg_close_table(b
, c
);
993 blobmsg_add_u8(b
, "external", dev
->external
);
994 blobmsg_add_u8(b
, "present", dev
->present
);
995 blobmsg_add_string(b
, "type", dev
->type
->name
);
1000 blobmsg_add_u8(b
, "up", !!dev
->active
);
1001 blobmsg_add_u8(b
, "carrier", !!dev
->link_active
);
1003 if (dev
->type
->dump_info
)
1004 dev
->type
->dump_info(dev
, b
);
1006 system_if_dump_info(dev
, b
);
1009 device_merge_settings(dev
, &st
);
1010 if (st
.flags
& DEV_OPT_MTU
)
1011 blobmsg_add_u32(b
, "mtu", st
.mtu
);
1012 if (st
.flags
& DEV_OPT_MTU6
)
1013 blobmsg_add_u32(b
, "mtu6", st
.mtu6
);
1014 if (st
.flags
& DEV_OPT_MACADDR
)
1015 blobmsg_add_string(b
, "macaddr", format_macaddr(st
.macaddr
));
1016 if (st
.flags
& DEV_OPT_TXQUEUELEN
)
1017 blobmsg_add_u32(b
, "txqueuelen", st
.txqueuelen
);
1018 if (st
.flags
& DEV_OPT_IPV6
)
1019 blobmsg_add_u8(b
, "ipv6", st
.ipv6
);
1020 if (st
.flags
& DEV_OPT_PROMISC
)
1021 blobmsg_add_u8(b
, "promisc", st
.promisc
);
1022 if (st
.flags
& DEV_OPT_RPFILTER
)
1023 blobmsg_add_u32(b
, "rpfilter", st
.rpfilter
);
1024 if (st
.flags
& DEV_OPT_ACCEPTLOCAL
)
1025 blobmsg_add_u8(b
, "acceptlocal", st
.acceptlocal
);
1026 if (st
.flags
& DEV_OPT_IGMPVERSION
)
1027 blobmsg_add_u32(b
, "igmpversion", st
.igmpversion
);
1028 if (st
.flags
& DEV_OPT_MLDVERSION
)
1029 blobmsg_add_u32(b
, "mldversion", st
.mldversion
);
1030 if (st
.flags
& DEV_OPT_NEIGHREACHABLETIME
) {
1031 blobmsg_add_u32(b
, "neigh4reachabletime", st
.neigh4reachabletime
);
1032 blobmsg_add_u32(b
, "neigh6reachabletime", st
.neigh6reachabletime
);
1034 if (st
.flags
& DEV_OPT_NEIGHGCSTALETIME
) {
1035 blobmsg_add_u32(b
, "neigh4gcstaletime", st
.neigh4gcstaletime
);
1036 blobmsg_add_u32(b
, "neigh6gcstaletime", st
.neigh6gcstaletime
);
1038 if (st
.flags
& DEV_OPT_DADTRANSMITS
)
1039 blobmsg_add_u32(b
, "dadtransmits", st
.dadtransmits
);
1040 if (st
.flags
& DEV_OPT_MULTICAST_TO_UNICAST
)
1041 blobmsg_add_u8(b
, "multicast_to_unicast", st
.multicast_to_unicast
);
1042 if (st
.flags
& DEV_OPT_MULTICAST_ROUTER
)
1043 blobmsg_add_u32(b
, "multicast_router", st
.multicast_router
);
1044 if (st
.flags
& DEV_OPT_MULTICAST
)
1045 blobmsg_add_u8(b
, "multicast", st
.multicast
);
1046 if (st
.flags
& DEV_OPT_LEARNING
)
1047 blobmsg_add_u8(b
, "learning", st
.learning
);
1048 if (st
.flags
& DEV_OPT_UNICAST_FLOOD
)
1049 blobmsg_add_u8(b
, "unicast_flood", st
.unicast_flood
);
1052 s
= blobmsg_open_table(b
, "statistics");
1053 if (dev
->type
->dump_stats
)
1054 dev
->type
->dump_stats(dev
, b
);
1056 system_if_dump_stats(dev
, b
);
1057 blobmsg_close_table(b
, s
);