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
},
50 [DEV_ATTR_DADTRANSMITS
] = { .name
= "dadtransmits", .type
= BLOBMSG_TYPE_INT32
},
53 const struct uci_blob_param_list device_attr_list
= {
54 .n_params
= __DEV_ATTR_MAX
,
58 static int __devlock
= 0;
60 void device_lock(void)
65 void device_unlock(void)
69 device_free_unused(NULL
);
72 static int set_device_state(struct device
*dev
, bool state
)
75 /* Set ifindex for all devices being enabled so a valid */
76 /* ifindex is in place avoiding possible race conditions */
77 device_set_ifindex(dev
, system_if_resolve(dev
));
94 simple_device_set_state(struct device
*dev
, bool state
)
99 pdev
= dev
->parent
.dev
;
100 if (state
&& !pdev
) {
101 pdev
= system_if_get_parent(dev
);
103 device_add_user(&dev
->parent
, pdev
);
108 ret
= device_claim(&dev
->parent
);
110 device_release(&dev
->parent
);
115 return set_device_state(dev
, state
);
118 static struct device
*
119 simple_device_create(const char *name
, struct blob_attr
*attr
)
121 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
122 struct device
*dev
= NULL
;
124 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
, blob_data(attr
), blob_len(attr
));
125 dev
= device_get(name
, true);
129 dev
->set_state
= simple_device_set_state
;
130 device_init_settings(dev
, tb
);
135 static void simple_device_free(struct device
*dev
)
138 device_remove_user(&dev
->parent
);
142 const struct device_type simple_device_type
= {
143 .name
= "Network device",
144 .config_params
= &device_attr_list
,
146 .create
= simple_device_create
,
147 .check_state
= system_if_check
,
148 .free
= simple_device_free
,
152 device_merge_settings(struct device
*dev
, struct device_settings
*n
)
154 struct device_settings
*os
= &dev
->orig_settings
;
155 struct device_settings
*s
= &dev
->settings
;
157 memset(n
, 0, sizeof(*n
));
158 n
->mtu
= s
->flags
& DEV_OPT_MTU
? s
->mtu
: os
->mtu
;
159 n
->mtu6
= s
->flags
& DEV_OPT_MTU6
? s
->mtu6
: os
->mtu6
;
160 n
->txqueuelen
= s
->flags
& DEV_OPT_TXQUEUELEN
?
161 s
->txqueuelen
: os
->txqueuelen
;
163 (s
->flags
& DEV_OPT_MACADDR
? s
->macaddr
: os
->macaddr
),
165 n
->ipv6
= s
->flags
& DEV_OPT_IPV6
? s
->ipv6
: os
->ipv6
;
166 n
->promisc
= s
->flags
& DEV_OPT_PROMISC
? s
->promisc
: os
->promisc
;
167 n
->rpfilter
= s
->flags
& DEV_OPT_RPFILTER
? s
->rpfilter
: os
->rpfilter
;
168 n
->acceptlocal
= s
->flags
& DEV_OPT_ACCEPTLOCAL
? s
->acceptlocal
: os
->acceptlocal
;
169 n
->igmpversion
= s
->flags
& DEV_OPT_IGMPVERSION
? s
->igmpversion
: os
->igmpversion
;
170 n
->mldversion
= s
->flags
& DEV_OPT_MLDVERSION
? s
->mldversion
: os
->mldversion
;
171 n
->neigh4reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
172 s
->neigh4reachabletime
: os
->neigh4reachabletime
;
173 n
->neigh6reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
174 s
->neigh6reachabletime
: os
->neigh6reachabletime
;
175 n
->dadtransmits
= s
->flags
& DEV_OPT_DADTRANSMITS
?
176 s
->dadtransmits
: os
->dadtransmits
;
177 n
->flags
= s
->flags
| os
->flags
;
181 device_init_settings(struct device
*dev
, struct blob_attr
**tb
)
183 struct device_settings
*s
= &dev
->settings
;
184 struct blob_attr
*cur
;
185 struct ether_addr
*ea
;
186 bool disabled
= false;
189 if ((cur
= tb
[DEV_ATTR_ENABLED
]))
190 disabled
= !blobmsg_get_bool(cur
);
192 if ((cur
= tb
[DEV_ATTR_MTU
])) {
193 s
->mtu
= blobmsg_get_u32(cur
);
194 s
->flags
|= DEV_OPT_MTU
;
197 if ((cur
= tb
[DEV_ATTR_MTU6
])) {
198 s
->mtu6
= blobmsg_get_u32(cur
);
199 s
->flags
|= DEV_OPT_MTU6
;
202 if ((cur
= tb
[DEV_ATTR_TXQUEUELEN
])) {
203 s
->txqueuelen
= blobmsg_get_u32(cur
);
204 s
->flags
|= DEV_OPT_TXQUEUELEN
;
207 if ((cur
= tb
[DEV_ATTR_MACADDR
])) {
208 ea
= ether_aton(blobmsg_data(cur
));
210 memcpy(s
->macaddr
, ea
, 6);
211 s
->flags
|= DEV_OPT_MACADDR
;
215 if ((cur
= tb
[DEV_ATTR_IPV6
])) {
216 s
->ipv6
= blobmsg_get_bool(cur
);
217 s
->flags
|= DEV_OPT_IPV6
;
220 if ((cur
= tb
[DEV_ATTR_PROMISC
])) {
221 s
->promisc
= blobmsg_get_bool(cur
);
222 s
->flags
|= DEV_OPT_PROMISC
;
225 if ((cur
= tb
[DEV_ATTR_RPFILTER
])) {
226 if (system_resolve_rpfilter(blobmsg_data(cur
), &s
->rpfilter
))
227 s
->flags
|= DEV_OPT_RPFILTER
;
229 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur
));
232 if ((cur
= tb
[DEV_ATTR_ACCEPTLOCAL
])) {
233 s
->acceptlocal
= blobmsg_get_bool(cur
);
234 s
->flags
|= DEV_OPT_ACCEPTLOCAL
;
237 if ((cur
= tb
[DEV_ATTR_IGMPVERSION
])) {
238 s
->igmpversion
= blobmsg_get_u32(cur
);
239 if (s
->igmpversion
>= 1 && s
->igmpversion
<= 3)
240 s
->flags
|= DEV_OPT_IGMPVERSION
;
242 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur
));
245 if ((cur
= tb
[DEV_ATTR_MLDVERSION
])) {
246 s
->mldversion
= blobmsg_get_u32(cur
);
247 if (s
->mldversion
>= 1 && s
->mldversion
<= 2)
248 s
->flags
|= DEV_OPT_MLDVERSION
;
250 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur
));
253 if ((cur
= tb
[DEV_ATTR_NEIGHREACHABLETIME
])) {
254 s
->neigh6reachabletime
= s
->neigh4reachabletime
= blobmsg_get_u32(cur
);
255 s
->flags
|= DEV_OPT_NEIGHREACHABLETIME
;
258 if ((cur
= tb
[DEV_ATTR_RPS
])) {
259 s
->rps
= blobmsg_get_bool(cur
);
260 s
->flags
|= DEV_OPT_RPS
;
265 if ((cur
= tb
[DEV_ATTR_XPS
])) {
266 s
->xps
= blobmsg_get_bool(cur
);
267 s
->flags
|= DEV_OPT_XPS
;
272 if ((cur
= tb
[DEV_ATTR_DADTRANSMITS
])) {
273 s
->dadtransmits
= blobmsg_get_u32(cur
);
274 s
->flags
|= DEV_OPT_DADTRANSMITS
;
277 device_set_disabled(dev
, disabled
);
280 static void __init
dev_init(void)
282 avl_init(&devices
, avl_strcmp
, true, NULL
);
285 static int device_broadcast_cb(void *ctx
, struct safe_list
*list
)
287 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
290 /* device might have been removed by an earlier callback */
299 void device_broadcast_event(struct device
*dev
, enum device_event ev
)
303 safe_list_for_each(&dev
->aliases
, device_broadcast_cb
, &dev_ev
);
304 safe_list_for_each(&dev
->users
, device_broadcast_cb
, &dev_ev
);
307 int device_claim(struct device_user
*dep
)
309 struct device
*dev
= dep
->dev
;
316 D(DEVICE
, "Claim %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
+ 1);
317 if (++dev
->active
!= 1)
320 device_broadcast_event(dev
, DEV_EVENT_SETUP
);
321 ret
= dev
->set_state(dev
, true);
323 device_broadcast_event(dev
, DEV_EVENT_UP
);
325 D(DEVICE
, "claim %s %s failed: %d\n", dev
->type
->name
, dev
->ifname
, ret
);
327 dep
->claimed
= false;
333 void device_release(struct device_user
*dep
)
335 struct device
*dev
= dep
->dev
;
340 dep
->claimed
= false;
342 D(DEVICE
, "Release %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
);
343 assert(dev
->active
>= 0);
348 device_broadcast_event(dev
, DEV_EVENT_TEARDOWN
);
350 dev
->set_state(dev
, false);
351 device_broadcast_event(dev
, DEV_EVENT_DOWN
);
354 int device_check_state(struct device
*dev
)
356 if (!dev
->type
->check_state
)
357 return simple_device_type
.check_state(dev
);
359 return dev
->type
->check_state(dev
);
362 void device_init_virtual(struct device
*dev
, const struct device_type
*type
, const char *name
)
368 strncpy(dev
->ifname
, name
, IFNAMSIZ
);
370 D(DEVICE
, "Initialize device '%s'\n", dev
->ifname
);
371 INIT_SAFE_LIST(&dev
->users
);
372 INIT_SAFE_LIST(&dev
->aliases
);
376 dev
->set_state
= set_device_state
;
379 int device_init(struct device
*dev
, const struct device_type
*type
, const char *ifname
)
383 device_init_virtual(dev
, type
, ifname
);
385 dev
->avl
.key
= dev
->ifname
;
387 ret
= avl_insert(&devices
, &dev
->avl
);
391 system_if_clear_state(dev
);
392 device_check_state(dev
);
393 dev
->settings
.rps
= default_ps
;
394 dev
->settings
.xps
= default_ps
;
399 static struct device
*
400 device_create_default(const char *name
, bool external
)
404 if (!external
&& system_if_force_external(name
))
407 D(DEVICE
, "Create simple device '%s'\n", name
);
408 dev
= calloc(1, sizeof(*dev
));
409 dev
->external
= external
;
410 dev
->set_state
= simple_device_set_state
;
411 device_init(dev
, &simple_device_type
, name
);
412 dev
->default_config
= true;
414 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
419 device_get(const char *name
, int create
)
423 if (strchr(name
, '.'))
424 return get_vlan_device_chain(name
, create
);
427 return device_alias_get(name
+ 1);
429 dev
= avl_find_element(&devices
, name
, dev
, avl
);
431 if (create
> 1 && !dev
->external
) {
432 dev
->external
= true;
433 device_set_present(dev
, true);
441 return device_create_default(name
, create
> 1);
445 device_delete(struct device
*dev
)
450 D(DEVICE
, "Delete device '%s' from list\n", dev
->ifname
);
451 avl_delete(&devices
, &dev
->avl
);
455 static int device_cleanup_cb(void *ctx
, struct safe_list
*list
)
457 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
459 dep
->cb(dep
, DEV_EVENT_REMOVE
);
465 void device_cleanup(struct device
*dev
)
467 D(DEVICE
, "Clean up device '%s'\n", dev
->ifname
);
468 safe_list_for_each(&dev
->users
, device_cleanup_cb
, NULL
);
469 safe_list_for_each(&dev
->aliases
, device_cleanup_cb
, NULL
);
473 static void __device_set_present(struct device
*dev
, bool state
)
475 if (dev
->present
== state
)
478 dev
->present
= state
;
479 device_broadcast_event(dev
, state
? DEV_EVENT_ADD
: DEV_EVENT_REMOVE
);
483 device_refresh_present(struct device
*dev
)
485 bool state
= dev
->sys_present
;
487 if (dev
->disabled
|| dev
->deferred
)
490 __device_set_present(dev
, state
);
493 void device_set_present(struct device
*dev
, bool state
)
495 if (dev
->sys_present
== state
)
498 D(DEVICE
, "%s '%s' %s present\n", dev
->type
->name
, dev
->ifname
, state
? "is now" : "is no longer" );
499 dev
->sys_present
= state
;
500 device_refresh_present(dev
);
503 void device_set_link(struct device
*dev
, bool state
)
505 if (dev
->link_active
== state
)
508 netifd_log_message(L_NOTICE
, "%s '%s' link is %s\n", dev
->type
->name
, dev
->ifname
, state
? "up" : "down" );
510 dev
->link_active
= state
;
511 device_broadcast_event(dev
, state
? DEV_EVENT_LINK_UP
: DEV_EVENT_LINK_DOWN
);
514 void device_set_ifindex(struct device
*dev
, int ifindex
)
516 if (dev
->ifindex
== ifindex
)
519 dev
->ifindex
= ifindex
;
520 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFINDEX
);
523 static int device_refcount(struct device
*dev
)
525 struct list_head
*list
;
528 list_for_each(list
, &dev
->users
.list
)
531 list_for_each(list
, &dev
->aliases
.list
)
537 void device_add_user(struct device_user
*dep
, struct device
*dev
)
539 struct safe_list
*head
;
545 device_remove_user(dep
);
553 head
= &dev
->aliases
;
557 safe_list_add(&dep
->list
, head
);
558 D(DEVICE
, "Add user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
560 if (dep
->cb
&& dev
->present
) {
561 dep
->cb(dep
, DEV_EVENT_ADD
);
563 dep
->cb(dep
, DEV_EVENT_UP
);
565 if (dev
->link_active
)
566 dep
->cb(dep
, DEV_EVENT_LINK_UP
);
571 device_free(struct device
*dev
)
576 dev
->type
->free(dev
);
581 __device_free_unused(struct device
*dev
)
583 if (!safe_list_empty(&dev
->users
) ||
584 !safe_list_empty(&dev
->aliases
) ||
585 dev
->current_config
|| __devlock
)
591 void device_remove_user(struct device_user
*dep
)
593 struct device
*dev
= dep
->dev
;
598 dep
->hotplug
= false;
602 safe_list_del(&dep
->list
);
604 D(DEVICE
, "Remove user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
605 __device_free_unused(dev
);
609 device_free_unused(struct device
*dev
)
614 return __device_free_unused(dev
);
616 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
)
617 __device_free_unused(dev
);
621 device_init_pending(void)
623 struct device
*dev
, *tmp
;
625 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
626 if (!dev
->config_pending
)
629 dev
->type
->config_init(dev
);
630 dev
->config_pending
= false;
634 static enum dev_change_type
635 device_set_config(struct device
*dev
, const struct device_type
*type
,
636 struct blob_attr
*attr
)
638 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
639 const struct uci_blob_param_list
*cfg
= type
->config_params
;
641 if (type
!= dev
->type
)
642 return DEV_CONFIG_RECREATE
;
644 if (dev
->type
->reload
)
645 return dev
->type
->reload(dev
, attr
);
647 if (uci_blob_check_equal(dev
->config
, attr
, cfg
))
648 return DEV_CONFIG_NO_CHANGE
;
650 if (cfg
== &device_attr_list
) {
651 memset(tb
, 0, sizeof(tb
));
654 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
,
655 blob_data(attr
), blob_len(attr
));
657 device_init_settings(dev
, tb
);
658 return DEV_CONFIG_RESTART
;
660 return DEV_CONFIG_RECREATE
;
664 device_apply_config(struct device
*dev
, const struct device_type
*type
,
665 struct blob_attr
*config
)
667 enum dev_change_type change
;
669 change
= device_set_config(dev
, type
, config
);
671 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
672 change
= DEV_CONFIG_APPLIED
;
676 case DEV_CONFIG_RESTART
:
677 case DEV_CONFIG_APPLIED
:
678 D(DEVICE
, "Device '%s': config applied\n", dev
->ifname
);
679 config
= blob_memdup(config
);
681 dev
->config
= config
;
682 if (change
== DEV_CONFIG_RESTART
&& dev
->present
) {
683 device_set_present(dev
, false);
684 if (dev
->active
&& !dev
->external
) {
685 dev
->set_state(dev
, false);
686 dev
->set_state(dev
, true);
688 device_set_present(dev
, true);
691 case DEV_CONFIG_NO_CHANGE
:
692 D(DEVICE
, "Device '%s': no configuration change\n", dev
->ifname
);
694 case DEV_CONFIG_RECREATE
:
702 device_replace(struct device
*dev
, struct device
*odev
)
704 struct device_user
*dep
, *tmp
;
705 bool present
= odev
->present
;
708 device_set_present(odev
, false);
710 list_for_each_entry_safe(dep
, tmp
, &odev
->users
.list
, list
.list
) {
712 safe_list_del(&dep
->list
);
713 safe_list_add(&dep
->list
, &dev
->users
);
719 device_set_present(dev
, true);
723 device_reset_config(void)
727 avl_for_each_element(&devices
, dev
, avl
)
728 dev
->current_config
= false;
732 device_reset_old(void)
734 struct device
*dev
, *tmp
, *ndev
;
736 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
737 if (dev
->current_config
|| dev
->default_config
)
740 if (dev
->type
!= &simple_device_type
)
743 ndev
= device_create_default(dev
->ifname
, dev
->external
);
747 device_replace(ndev
, dev
);
752 device_set_default_ps(bool state
)
756 if (state
== default_ps
)
761 avl_for_each_element(&devices
, dev
, avl
) {
762 struct device_settings
*s
= &dev
->settings
;
763 unsigned int apply_mask
= 0;
765 if (!(s
->flags
& DEV_OPT_RPS
)) {
767 apply_mask
|= DEV_OPT_RPS
;
770 if (!(s
->flags
& DEV_OPT_XPS
)) {
772 apply_mask
|= DEV_OPT_XPS
;
778 if (!(dev
->external
|| (dev
->present
&& dev
->active
)) ||
782 system_if_apply_settings(dev
, s
, apply_mask
);
787 device_create(const char *name
, const struct device_type
*type
,
788 struct blob_attr
*config
)
790 struct device
*odev
= NULL
, *dev
;
791 enum dev_change_type change
;
793 odev
= device_get(name
, false);
795 odev
->current_config
= true;
796 change
= device_apply_config(odev
, type
, config
);
798 case DEV_CONFIG_RECREATE
:
799 D(DEVICE
, "Device '%s': recreate device\n", odev
->ifname
);
806 D(DEVICE
, "Create new device '%s' (%s)\n", name
, type
->name
);
808 config
= blob_memdup(config
);
812 dev
= type
->create(name
, config
);
816 dev
->current_config
= true;
817 dev
->config
= config
;
819 device_replace(dev
, odev
);
821 if (!config_init
&& dev
->config_pending
) {
822 type
->config_init(dev
);
823 dev
->config_pending
= false;
830 device_dump_status(struct blob_buf
*b
, struct device
*dev
)
832 struct device_settings st
;
836 avl_for_each_element(&devices
, dev
, avl
) {
839 c
= blobmsg_open_table(b
, dev
->ifname
);
840 device_dump_status(b
, dev
);
841 blobmsg_close_table(b
, c
);
847 blobmsg_add_u8(b
, "external", dev
->external
);
848 blobmsg_add_u8(b
, "present", dev
->present
);
849 blobmsg_add_string(b
, "type", dev
->type
->name
);
854 blobmsg_add_u8(b
, "up", !!dev
->active
);
855 blobmsg_add_u8(b
, "carrier", !!dev
->link_active
);
857 if (dev
->type
->dump_info
)
858 dev
->type
->dump_info(dev
, b
);
860 system_if_dump_info(dev
, b
);
863 device_merge_settings(dev
, &st
);
864 if (st
.flags
& DEV_OPT_MTU
)
865 blobmsg_add_u32(b
, "mtu", st
.mtu
);
866 if (st
.flags
& DEV_OPT_MTU6
)
867 blobmsg_add_u32(b
, "mtu6", st
.mtu6
);
868 if (st
.flags
& DEV_OPT_MACADDR
)
869 blobmsg_add_string(b
, "macaddr", format_macaddr(st
.macaddr
));
870 if (st
.flags
& DEV_OPT_TXQUEUELEN
)
871 blobmsg_add_u32(b
, "txqueuelen", st
.txqueuelen
);
872 if (st
.flags
& DEV_OPT_IPV6
)
873 blobmsg_add_u8(b
, "ipv6", st
.ipv6
);
874 if (st
.flags
& DEV_OPT_PROMISC
)
875 blobmsg_add_u8(b
, "promisc", st
.promisc
);
876 if (st
.flags
& DEV_OPT_RPFILTER
)
877 blobmsg_add_u32(b
, "rpfilter", st
.rpfilter
);
878 if (st
.flags
& DEV_OPT_ACCEPTLOCAL
)
879 blobmsg_add_u8(b
, "acceptlocal", st
.acceptlocal
);
880 if (st
.flags
& DEV_OPT_IGMPVERSION
)
881 blobmsg_add_u32(b
, "igmpversion", st
.igmpversion
);
882 if (st
.flags
& DEV_OPT_MLDVERSION
)
883 blobmsg_add_u32(b
, "mldversion", st
.mldversion
);
884 if (st
.flags
& DEV_OPT_NEIGHREACHABLETIME
) {
885 blobmsg_add_u32(b
, "neigh4reachabletime", st
.neigh4reachabletime
);
886 blobmsg_add_u32(b
, "neigh6reachabletime", st
.neigh6reachabletime
);
888 if (st
.flags
& DEV_OPT_DADTRANSMITS
)
889 blobmsg_add_u32(b
, "dadtransmits", st
.dadtransmits
);
892 s
= blobmsg_open_table(b
, "statistics");
893 if (dev
->type
->dump_stats
)
894 dev
->type
->dump_stats(dev
, b
);
896 system_if_dump_stats(dev
, b
);
897 blobmsg_close_table(b
, s
);