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>
31 static struct avl_tree devices
;
32 static bool default_ps
= true;
34 static const struct blobmsg_policy dev_attrs
[__DEV_ATTR_MAX
] = {
35 [DEV_ATTR_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
36 [DEV_ATTR_MTU
] = { .name
= "mtu", .type
= BLOBMSG_TYPE_INT32
},
37 [DEV_ATTR_MTU6
] = { .name
= "mtu6", .type
= BLOBMSG_TYPE_INT32
},
38 [DEV_ATTR_MACADDR
] = { .name
= "macaddr", .type
= BLOBMSG_TYPE_STRING
},
39 [DEV_ATTR_TXQUEUELEN
] = { .name
= "txqueuelen", .type
= BLOBMSG_TYPE_INT32
},
40 [DEV_ATTR_ENABLED
] = { .name
= "enabled", .type
= BLOBMSG_TYPE_BOOL
},
41 [DEV_ATTR_IPV6
] = { .name
= "ipv6", .type
= BLOBMSG_TYPE_BOOL
},
42 [DEV_ATTR_PROMISC
] = { .name
= "promisc", .type
= BLOBMSG_TYPE_BOOL
},
43 [DEV_ATTR_RPFILTER
] = { .name
= "rpfilter", .type
= BLOBMSG_TYPE_STRING
},
44 [DEV_ATTR_ACCEPTLOCAL
] = { .name
= "acceptlocal", .type
= BLOBMSG_TYPE_BOOL
},
45 [DEV_ATTR_IGMPVERSION
] = { .name
= "igmpversion", .type
= BLOBMSG_TYPE_INT32
},
46 [DEV_ATTR_MLDVERSION
] = { .name
= "mldversion", .type
= BLOBMSG_TYPE_INT32
},
47 [DEV_ATTR_NEIGHREACHABLETIME
] = { .name
= "neighreachabletime", .type
= BLOBMSG_TYPE_INT32
},
48 [DEV_ATTR_RPS
] = { .name
= "rps", .type
= BLOBMSG_TYPE_BOOL
},
49 [DEV_ATTR_XPS
] = { .name
= "xps", .type
= BLOBMSG_TYPE_BOOL
},
52 const struct uci_blob_param_list device_attr_list
= {
53 .n_params
= __DEV_ATTR_MAX
,
57 static int __devlock
= 0;
59 void device_lock(void)
64 void device_unlock(void)
68 device_free_unused(NULL
);
71 static int set_device_state(struct device
*dev
, bool state
)
74 /* Set ifindex for all devices being enabled so a valid */
75 /* ifindex is in place avoiding possible race conditions */
76 device_set_ifindex(dev
, system_if_resolve(dev
));
93 simple_device_set_state(struct device
*dev
, bool state
)
98 pdev
= dev
->parent
.dev
;
100 pdev
= system_if_get_parent(dev
);
102 device_add_user(&dev
->parent
, pdev
);
107 ret
= device_claim(&dev
->parent
);
109 device_release(&dev
->parent
);
114 return set_device_state(dev
, state
);
117 static struct device
*
118 simple_device_create(const char *name
, struct blob_attr
*attr
)
120 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
121 struct device
*dev
= NULL
;
123 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
, blob_data(attr
), blob_len(attr
));
124 dev
= device_get(name
, true);
128 dev
->set_state
= simple_device_set_state
;
129 device_init_settings(dev
, tb
);
134 static void simple_device_free(struct device
*dev
)
137 device_remove_user(&dev
->parent
);
141 const struct device_type simple_device_type
= {
142 .name
= "Network device",
143 .config_params
= &device_attr_list
,
145 .create
= simple_device_create
,
146 .check_state
= system_if_check
,
147 .free
= simple_device_free
,
151 device_merge_settings(struct device
*dev
, struct device_settings
*n
)
153 struct device_settings
*os
= &dev
->orig_settings
;
154 struct device_settings
*s
= &dev
->settings
;
156 memset(n
, 0, sizeof(*n
));
157 n
->mtu
= s
->flags
& DEV_OPT_MTU
? s
->mtu
: os
->mtu
;
158 n
->mtu6
= s
->flags
& DEV_OPT_MTU6
? s
->mtu6
: os
->mtu6
;
159 n
->txqueuelen
= s
->flags
& DEV_OPT_TXQUEUELEN
?
160 s
->txqueuelen
: os
->txqueuelen
;
162 (s
->flags
& DEV_OPT_MACADDR
? s
->macaddr
: os
->macaddr
),
164 n
->ipv6
= s
->flags
& DEV_OPT_IPV6
? s
->ipv6
: os
->ipv6
;
165 n
->promisc
= s
->flags
& DEV_OPT_PROMISC
? s
->promisc
: os
->promisc
;
166 n
->rpfilter
= s
->flags
& DEV_OPT_RPFILTER
? s
->rpfilter
: os
->rpfilter
;
167 n
->acceptlocal
= s
->flags
& DEV_OPT_ACCEPTLOCAL
? s
->acceptlocal
: os
->acceptlocal
;
168 n
->igmpversion
= s
->flags
& DEV_OPT_IGMPVERSION
? s
->igmpversion
: os
->igmpversion
;
169 n
->mldversion
= s
->flags
& DEV_OPT_MLDVERSION
? s
->mldversion
: os
->mldversion
;
170 n
->neigh4reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
171 s
->neigh4reachabletime
: os
->neigh4reachabletime
;
172 n
->neigh6reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
173 s
->neigh6reachabletime
: os
->neigh6reachabletime
;
174 n
->flags
= s
->flags
| os
->flags
;
178 device_init_settings(struct device
*dev
, struct blob_attr
**tb
)
180 struct device_settings
*s
= &dev
->settings
;
181 struct blob_attr
*cur
;
182 struct ether_addr
*ea
;
183 bool disabled
= false;
186 if ((cur
= tb
[DEV_ATTR_ENABLED
]))
187 disabled
= !blobmsg_get_bool(cur
);
189 if ((cur
= tb
[DEV_ATTR_MTU
])) {
190 s
->mtu
= blobmsg_get_u32(cur
);
191 s
->flags
|= DEV_OPT_MTU
;
194 if ((cur
= tb
[DEV_ATTR_MTU6
])) {
195 s
->mtu6
= blobmsg_get_u32(cur
);
196 s
->flags
|= DEV_OPT_MTU6
;
199 if ((cur
= tb
[DEV_ATTR_TXQUEUELEN
])) {
200 s
->txqueuelen
= blobmsg_get_u32(cur
);
201 s
->flags
|= DEV_OPT_TXQUEUELEN
;
204 if ((cur
= tb
[DEV_ATTR_MACADDR
])) {
205 ea
= ether_aton(blobmsg_data(cur
));
207 memcpy(s
->macaddr
, ea
, 6);
208 s
->flags
|= DEV_OPT_MACADDR
;
212 if ((cur
= tb
[DEV_ATTR_IPV6
])) {
213 s
->ipv6
= blobmsg_get_bool(cur
);
214 s
->flags
|= DEV_OPT_IPV6
;
217 if ((cur
= tb
[DEV_ATTR_PROMISC
])) {
218 s
->promisc
= blobmsg_get_bool(cur
);
219 s
->flags
|= DEV_OPT_PROMISC
;
222 if ((cur
= tb
[DEV_ATTR_RPFILTER
])) {
223 if (system_resolve_rpfilter(blobmsg_data(cur
), &s
->rpfilter
))
224 s
->flags
|= DEV_OPT_RPFILTER
;
226 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur
));
229 if ((cur
= tb
[DEV_ATTR_ACCEPTLOCAL
])) {
230 s
->acceptlocal
= blobmsg_get_bool(cur
);
231 s
->flags
|= DEV_OPT_ACCEPTLOCAL
;
234 if ((cur
= tb
[DEV_ATTR_IGMPVERSION
])) {
235 s
->igmpversion
= blobmsg_get_u32(cur
);
236 if (s
->igmpversion
>= 1 && s
->igmpversion
<= 3)
237 s
->flags
|= DEV_OPT_IGMPVERSION
;
239 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur
));
242 if ((cur
= tb
[DEV_ATTR_MLDVERSION
])) {
243 s
->mldversion
= blobmsg_get_u32(cur
);
244 if (s
->mldversion
>= 1 && s
->mldversion
<= 2)
245 s
->flags
|= DEV_OPT_MLDVERSION
;
247 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur
));
250 if ((cur
= tb
[DEV_ATTR_NEIGHREACHABLETIME
])) {
251 s
->neigh6reachabletime
= s
->neigh4reachabletime
= blobmsg_get_u32(cur
);
252 s
->flags
|= DEV_OPT_NEIGHREACHABLETIME
;
255 if ((cur
= tb
[DEV_ATTR_RPS
])) {
256 s
->rps
= blobmsg_get_bool(cur
);
257 s
->flags
|= DEV_OPT_RPS
;
262 if ((cur
= tb
[DEV_ATTR_XPS
])) {
263 s
->xps
= blobmsg_get_bool(cur
);
264 s
->flags
|= DEV_OPT_XPS
;
269 device_set_disabled(dev
, disabled
);
272 static void __init
dev_init(void)
274 avl_init(&devices
, avl_strcmp
, true, NULL
);
277 static int device_broadcast_cb(void *ctx
, struct safe_list
*list
)
279 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
282 /* device might have been removed by an earlier callback */
291 void device_broadcast_event(struct device
*dev
, enum device_event ev
)
295 safe_list_for_each(&dev
->aliases
, device_broadcast_cb
, &dev_ev
);
296 safe_list_for_each(&dev
->users
, device_broadcast_cb
, &dev_ev
);
299 int device_claim(struct device_user
*dep
)
301 struct device
*dev
= dep
->dev
;
308 D(DEVICE
, "Claim %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
+ 1);
309 if (++dev
->active
!= 1)
312 device_broadcast_event(dev
, DEV_EVENT_SETUP
);
313 ret
= dev
->set_state(dev
, true);
315 device_broadcast_event(dev
, DEV_EVENT_UP
);
317 D(DEVICE
, "claim %s %s failed: %d\n", dev
->type
->name
, dev
->ifname
, ret
);
319 dep
->claimed
= false;
325 void device_release(struct device_user
*dep
)
327 struct device
*dev
= dep
->dev
;
332 dep
->claimed
= false;
334 D(DEVICE
, "Release %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
);
335 assert(dev
->active
>= 0);
340 device_broadcast_event(dev
, DEV_EVENT_TEARDOWN
);
342 dev
->set_state(dev
, false);
343 device_broadcast_event(dev
, DEV_EVENT_DOWN
);
346 int device_check_state(struct device
*dev
)
348 if (!dev
->type
->check_state
)
349 return simple_device_type
.check_state(dev
);
351 return dev
->type
->check_state(dev
);
354 void device_init_virtual(struct device
*dev
, const struct device_type
*type
, const char *name
)
360 strncpy(dev
->ifname
, name
, IFNAMSIZ
);
362 D(DEVICE
, "Initialize device '%s'\n", dev
->ifname
);
363 INIT_SAFE_LIST(&dev
->users
);
364 INIT_SAFE_LIST(&dev
->aliases
);
368 dev
->set_state
= set_device_state
;
371 int device_init(struct device
*dev
, const struct device_type
*type
, const char *ifname
)
375 device_init_virtual(dev
, type
, ifname
);
377 dev
->avl
.key
= dev
->ifname
;
379 ret
= avl_insert(&devices
, &dev
->avl
);
383 system_if_clear_state(dev
);
384 device_check_state(dev
);
385 dev
->settings
.rps
= default_ps
;
386 dev
->settings
.xps
= default_ps
;
391 static struct device
*
392 device_create_default(const char *name
, bool external
)
396 if (!external
&& system_if_force_external(name
))
399 D(DEVICE
, "Create simple device '%s'\n", name
);
400 dev
= calloc(1, sizeof(*dev
));
401 dev
->external
= external
;
402 dev
->set_state
= simple_device_set_state
;
403 device_init(dev
, &simple_device_type
, name
);
404 dev
->default_config
= true;
409 device_get(const char *name
, int create
)
413 if (strchr(name
, '.'))
414 return get_vlan_device_chain(name
, create
);
417 return device_alias_get(name
+ 1);
419 dev
= avl_find_element(&devices
, name
, dev
, avl
);
421 if (create
> 1 && !dev
->external
) {
422 dev
->external
= true;
423 device_set_present(dev
, true);
431 return device_create_default(name
, create
> 1);
435 device_delete(struct device
*dev
)
440 D(DEVICE
, "Delete device '%s' from list\n", dev
->ifname
);
441 avl_delete(&devices
, &dev
->avl
);
445 static int device_cleanup_cb(void *ctx
, struct safe_list
*list
)
447 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
449 dep
->cb(dep
, DEV_EVENT_REMOVE
);
455 void device_cleanup(struct device
*dev
)
457 D(DEVICE
, "Clean up device '%s'\n", dev
->ifname
);
458 safe_list_for_each(&dev
->users
, device_cleanup_cb
, NULL
);
459 safe_list_for_each(&dev
->aliases
, device_cleanup_cb
, NULL
);
463 static void __device_set_present(struct device
*dev
, bool state
)
465 if (dev
->present
== state
)
468 dev
->present
= state
;
469 device_broadcast_event(dev
, state
? DEV_EVENT_ADD
: DEV_EVENT_REMOVE
);
473 device_refresh_present(struct device
*dev
)
475 bool state
= dev
->sys_present
;
477 if (dev
->disabled
|| dev
->deferred
)
480 __device_set_present(dev
, state
);
483 void device_set_present(struct device
*dev
, bool state
)
485 if (dev
->sys_present
== state
)
488 D(DEVICE
, "%s '%s' %s present\n", dev
->type
->name
, dev
->ifname
, state
? "is now" : "is no longer" );
489 dev
->sys_present
= state
;
490 device_refresh_present(dev
);
493 void device_set_link(struct device
*dev
, bool state
)
495 if (dev
->link_active
== state
)
498 netifd_log_message(L_NOTICE
, "%s '%s' link is %s\n", dev
->type
->name
, dev
->ifname
, state
? "up" : "down" );
500 dev
->link_active
= state
;
501 device_broadcast_event(dev
, state
? DEV_EVENT_LINK_UP
: DEV_EVENT_LINK_DOWN
);
504 void device_set_ifindex(struct device
*dev
, int ifindex
)
506 if (dev
->ifindex
== ifindex
)
509 dev
->ifindex
= ifindex
;
510 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFINDEX
);
513 static int device_refcount(struct device
*dev
)
515 struct list_head
*list
;
518 list_for_each(list
, &dev
->users
.list
)
521 list_for_each(list
, &dev
->aliases
.list
)
527 void device_add_user(struct device_user
*dep
, struct device
*dev
)
529 struct safe_list
*head
;
535 device_remove_user(dep
);
543 head
= &dev
->aliases
;
547 safe_list_add(&dep
->list
, head
);
548 D(DEVICE
, "Add user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
550 if (dep
->cb
&& dev
->present
) {
551 dep
->cb(dep
, DEV_EVENT_ADD
);
553 dep
->cb(dep
, DEV_EVENT_UP
);
555 if (dev
->link_active
)
556 dep
->cb(dep
, DEV_EVENT_LINK_UP
);
561 device_free(struct device
*dev
)
566 dev
->type
->free(dev
);
571 __device_free_unused(struct device
*dev
)
573 if (!safe_list_empty(&dev
->users
) ||
574 !safe_list_empty(&dev
->aliases
) ||
575 dev
->current_config
|| __devlock
)
581 void device_remove_user(struct device_user
*dep
)
583 struct device
*dev
= dep
->dev
;
588 dep
->hotplug
= false;
592 safe_list_del(&dep
->list
);
594 D(DEVICE
, "Remove user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
595 __device_free_unused(dev
);
599 device_free_unused(struct device
*dev
)
604 return __device_free_unused(dev
);
606 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
)
607 __device_free_unused(dev
);
611 device_init_pending(void)
613 struct device
*dev
, *tmp
;
615 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
616 if (!dev
->config_pending
)
619 dev
->type
->config_init(dev
);
620 dev
->config_pending
= false;
624 static enum dev_change_type
625 device_set_config(struct device
*dev
, const struct device_type
*type
,
626 struct blob_attr
*attr
)
628 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
629 const struct uci_blob_param_list
*cfg
= type
->config_params
;
631 if (type
!= dev
->type
)
632 return DEV_CONFIG_RECREATE
;
634 if (dev
->type
->reload
)
635 return dev
->type
->reload(dev
, attr
);
637 if (uci_blob_check_equal(dev
->config
, attr
, cfg
))
638 return DEV_CONFIG_NO_CHANGE
;
640 if (cfg
== &device_attr_list
) {
641 memset(tb
, 0, sizeof(tb
));
644 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
,
645 blob_data(attr
), blob_len(attr
));
647 device_init_settings(dev
, tb
);
648 return DEV_CONFIG_RESTART
;
650 return DEV_CONFIG_RECREATE
;
654 device_apply_config(struct device
*dev
, const struct device_type
*type
,
655 struct blob_attr
*config
)
657 enum dev_change_type change
;
659 change
= device_set_config(dev
, type
, config
);
661 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
662 change
= DEV_CONFIG_APPLIED
;
666 case DEV_CONFIG_RESTART
:
667 case DEV_CONFIG_APPLIED
:
668 D(DEVICE
, "Device '%s': config applied\n", dev
->ifname
);
669 config
= blob_memdup(config
);
671 dev
->config
= config
;
672 if (change
== DEV_CONFIG_RESTART
&& dev
->present
) {
673 device_set_present(dev
, false);
674 if (dev
->active
&& !dev
->external
) {
675 dev
->set_state(dev
, false);
676 dev
->set_state(dev
, true);
678 device_set_present(dev
, true);
681 case DEV_CONFIG_NO_CHANGE
:
682 D(DEVICE
, "Device '%s': no configuration change\n", dev
->ifname
);
684 case DEV_CONFIG_RECREATE
:
692 device_replace(struct device
*dev
, struct device
*odev
)
694 struct device_user
*dep
, *tmp
;
695 bool present
= odev
->present
;
698 device_set_present(odev
, false);
700 list_for_each_entry_safe(dep
, tmp
, &odev
->users
.list
, list
.list
) {
702 safe_list_del(&dep
->list
);
703 safe_list_add(&dep
->list
, &dev
->users
);
709 device_set_present(dev
, true);
713 device_reset_config(void)
717 avl_for_each_element(&devices
, dev
, avl
)
718 dev
->current_config
= false;
722 device_reset_old(void)
724 struct device
*dev
, *tmp
, *ndev
;
726 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
727 if (dev
->current_config
|| dev
->default_config
)
730 if (dev
->type
!= &simple_device_type
)
733 ndev
= device_create_default(dev
->ifname
, dev
->external
);
734 device_replace(ndev
, dev
);
739 device_set_default_ps(bool state
)
743 if (state
== default_ps
)
748 avl_for_each_element(&devices
, dev
, avl
) {
749 struct device_settings
*s
= &dev
->settings
;
750 unsigned int apply_mask
= 0;
752 if (!(s
->flags
& DEV_OPT_RPS
)) {
754 apply_mask
|= DEV_OPT_RPS
;
757 if (!(s
->flags
& DEV_OPT_XPS
)) {
759 apply_mask
|= DEV_OPT_XPS
;
765 if (!(dev
->external
|| (dev
->present
&& dev
->active
)) ||
769 system_if_apply_settings(dev
, s
, apply_mask
);
774 device_create(const char *name
, const struct device_type
*type
,
775 struct blob_attr
*config
)
777 struct device
*odev
= NULL
, *dev
;
778 enum dev_change_type change
;
780 odev
= device_get(name
, false);
782 odev
->current_config
= true;
783 change
= device_apply_config(odev
, type
, config
);
785 case DEV_CONFIG_RECREATE
:
786 D(DEVICE
, "Device '%s': recreate device\n", odev
->ifname
);
793 D(DEVICE
, "Create new device '%s' (%s)\n", name
, type
->name
);
795 config
= blob_memdup(config
);
799 dev
= type
->create(name
, config
);
803 dev
->current_config
= true;
804 dev
->config
= config
;
806 device_replace(dev
, odev
);
808 if (!config_init
&& dev
->config_pending
) {
809 type
->config_init(dev
);
810 dev
->config_pending
= false;
817 device_dump_status(struct blob_buf
*b
, struct device
*dev
)
819 struct device_settings st
;
823 avl_for_each_element(&devices
, dev
, avl
) {
826 c
= blobmsg_open_table(b
, dev
->ifname
);
827 device_dump_status(b
, dev
);
828 blobmsg_close_table(b
, c
);
834 blobmsg_add_u8(b
, "external", dev
->external
);
835 blobmsg_add_u8(b
, "present", dev
->present
);
836 blobmsg_add_string(b
, "type", dev
->type
->name
);
841 blobmsg_add_u8(b
, "up", !!dev
->active
);
842 blobmsg_add_u8(b
, "carrier", !!dev
->link_active
);
844 if (dev
->type
->dump_info
)
845 dev
->type
->dump_info(dev
, b
);
847 system_if_dump_info(dev
, b
);
850 device_merge_settings(dev
, &st
);
851 if (st
.flags
& DEV_OPT_MTU
)
852 blobmsg_add_u32(b
, "mtu", st
.mtu
);
853 if (st
.flags
& DEV_OPT_MTU6
)
854 blobmsg_add_u32(b
, "mtu6", st
.mtu6
);
855 if (st
.flags
& DEV_OPT_MACADDR
)
856 blobmsg_add_string(b
, "macaddr", format_macaddr(st
.macaddr
));
857 if (st
.flags
& DEV_OPT_TXQUEUELEN
)
858 blobmsg_add_u32(b
, "txqueuelen", st
.txqueuelen
);
859 if (st
.flags
& DEV_OPT_IPV6
)
860 blobmsg_add_u8(b
, "ipv6", st
.ipv6
);
861 if (st
.flags
& DEV_OPT_PROMISC
)
862 blobmsg_add_u8(b
, "promisc", st
.promisc
);
863 if (st
.flags
& DEV_OPT_RPFILTER
)
864 blobmsg_add_u32(b
, "rpfilter", st
.rpfilter
);
865 if (st
.flags
& DEV_OPT_ACCEPTLOCAL
)
866 blobmsg_add_u8(b
, "acceptlocal", st
.acceptlocal
);
867 if (st
.flags
& DEV_OPT_IGMPVERSION
)
868 blobmsg_add_u32(b
, "igmpversion", st
.igmpversion
);
869 if (st
.flags
& DEV_OPT_MLDVERSION
)
870 blobmsg_add_u32(b
, "mldversion", st
.mldversion
);
871 if (st
.flags
& DEV_OPT_NEIGHREACHABLETIME
) {
872 blobmsg_add_u32(b
, "neigh4reachabletime", st
.neigh4reachabletime
);
873 blobmsg_add_u32(b
, "neigh6reachabletime", st
.neigh6reachabletime
);
877 s
= blobmsg_open_table(b
, "statistics");
878 if (dev
->type
->dump_stats
)
879 dev
->type
->dump_stats(dev
, b
);
881 system_if_dump_stats(dev
, b
);
882 blobmsg_close_table(b
, s
);