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 },
51 [DEV_ATTR_MULTICAST_TO_UNICAST] = { .name = "multicast_to_unicast", .type = BLOBMSG_TYPE_BOOL },
52 [DEV_ATTR_MULTICAST_ROUTER] = { .name = "multicast_router", .type = BLOBMSG_TYPE_INT32 },
53 [DEV_ATTR_MULTICAST] = { .name ="multicast", .type = BLOBMSG_TYPE_BOOL },
56 const struct uci_blob_param_list device_attr_list = {
57 .n_params = __DEV_ATTR_MAX,
61 static int __devlock = 0;
63 void device_lock(void)
68 void device_unlock(void)
72 device_free_unused(NULL);
75 static int set_device_state(struct device *dev, bool state)
78 /* Get ifindex for all devices being enabled so a valid */
79 /* ifindex is in place avoiding possible race conditions */
80 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->dadtransmits = s->flags & DEV_OPT_DADTRANSMITS ?
175 s->dadtransmits : os->dadtransmits;
176 n->multicast = s->flags & DEV_OPT_MULTICAST ?
177 s->multicast : os->multicast;
178 n->multicast_to_unicast = s->multicast_to_unicast;
179 n->multicast_router = s->multicast_router;
180 n->flags = s->flags | os->flags | os->valid_flags;
184 device_init_settings(struct device *dev, struct blob_attr **tb)
186 struct device_settings *s = &dev->settings;
187 struct blob_attr *cur;
188 struct ether_addr *ea;
189 bool disabled = false;
192 if ((cur = tb[DEV_ATTR_ENABLED]))
193 disabled = !blobmsg_get_bool(cur);
195 if ((cur = tb[DEV_ATTR_MTU])) {
196 s->mtu = blobmsg_get_u32(cur);
197 s->flags |= DEV_OPT_MTU;
200 if ((cur = tb[DEV_ATTR_MTU6])) {
201 s->mtu6 = blobmsg_get_u32(cur);
202 s->flags |= DEV_OPT_MTU6;
205 if ((cur = tb[DEV_ATTR_TXQUEUELEN])) {
206 s->txqueuelen = blobmsg_get_u32(cur);
207 s->flags |= DEV_OPT_TXQUEUELEN;
210 if ((cur = tb[DEV_ATTR_MACADDR])) {
211 ea = ether_aton(blobmsg_data(cur));
213 memcpy(s->macaddr, ea, 6);
214 s->flags |= DEV_OPT_MACADDR;
218 if ((cur = tb[DEV_ATTR_IPV6])) {
219 s->ipv6 = blobmsg_get_bool(cur);
220 s->flags |= DEV_OPT_IPV6;
223 if ((cur = tb[DEV_ATTR_PROMISC])) {
224 s->promisc = blobmsg_get_bool(cur);
225 s->flags |= DEV_OPT_PROMISC;
228 if ((cur = tb[DEV_ATTR_RPFILTER])) {
229 if (system_resolve_rpfilter(blobmsg_data(cur), &s->rpfilter))
230 s->flags |= DEV_OPT_RPFILTER;
232 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur));
235 if ((cur = tb[DEV_ATTR_ACCEPTLOCAL])) {
236 s->acceptlocal = blobmsg_get_bool(cur);
237 s->flags |= DEV_OPT_ACCEPTLOCAL;
240 if ((cur = tb[DEV_ATTR_IGMPVERSION])) {
241 s->igmpversion = blobmsg_get_u32(cur);
242 if (s->igmpversion >= 1 && s->igmpversion <= 3)
243 s->flags |= DEV_OPT_IGMPVERSION;
245 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur));
248 if ((cur = tb[DEV_ATTR_MLDVERSION])) {
249 s->mldversion = blobmsg_get_u32(cur);
250 if (s->mldversion >= 1 && s->mldversion <= 2)
251 s->flags |= DEV_OPT_MLDVERSION;
253 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur));
256 if ((cur = tb[DEV_ATTR_NEIGHREACHABLETIME])) {
257 s->neigh6reachabletime = s->neigh4reachabletime = blobmsg_get_u32(cur);
258 s->flags |= DEV_OPT_NEIGHREACHABLETIME;
261 if ((cur = tb[DEV_ATTR_RPS])) {
262 s->rps = blobmsg_get_bool(cur);
263 s->flags |= DEV_OPT_RPS;
268 if ((cur = tb[DEV_ATTR_XPS])) {
269 s->xps = blobmsg_get_bool(cur);
270 s->flags |= DEV_OPT_XPS;
275 if ((cur = tb[DEV_ATTR_DADTRANSMITS])) {
276 s->dadtransmits = blobmsg_get_u32(cur);
277 s->flags |= DEV_OPT_DADTRANSMITS;
280 if ((cur = tb[DEV_ATTR_MULTICAST_TO_UNICAST])) {
281 s->multicast_to_unicast = blobmsg_get_bool(cur);
282 s->flags |= DEV_OPT_MULTICAST_TO_UNICAST;
285 if ((cur = tb[DEV_ATTR_MULTICAST_ROUTER])) {
286 s->multicast_router = blobmsg_get_u32(cur);
287 if (s->multicast_router <= 2)
288 s->flags |= DEV_OPT_MULTICAST_ROUTER;
290 DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur));
293 if ((cur = tb[DEV_ATTR_MULTICAST])) {
294 s->multicast = blobmsg_get_bool(cur);
295 s->flags |= DEV_OPT_MULTICAST;
298 device_set_disabled(dev, disabled);
301 static void __init dev_init(void)
303 avl_init(&devices, avl_strcmp, true, NULL);
306 static int device_broadcast_cb(void *ctx, struct safe_list *list)
308 struct device_user *dep = container_of(list, struct device_user, list);
311 /* device might have been removed by an earlier callback */
320 void device_broadcast_event(struct device *dev, enum device_event ev)
324 safe_list_for_each(&dev->aliases, device_broadcast_cb, &dev_ev);
325 safe_list_for_each(&dev->users, device_broadcast_cb, &dev_ev);
328 int device_claim(struct device_user *dep)
330 struct device *dev = dep->dev;
340 D(DEVICE, "Claim %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active + 1);
341 if (++dev->active != 1)
344 device_broadcast_event(dev, DEV_EVENT_SETUP);
346 /* Get ifindex for external claimed devices so a valid */
347 /* ifindex is in place avoiding possible race conditions */
348 device_set_ifindex(dev, system_if_resolve(dev));
352 system_if_get_settings(dev, &dev->orig_settings);
354 ret = dev->set_state(dev, true);
357 device_broadcast_event(dev, DEV_EVENT_UP);
359 D(DEVICE, "claim %s %s failed: %d\n", dev->type->name, dev->ifname, ret);
361 dep->claimed = false;
367 void device_release(struct device_user *dep)
369 struct device *dev = dep->dev;
374 dep->claimed = false;
376 D(DEVICE, "Release %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active);
377 assert(dev->active >= 0);
382 device_broadcast_event(dev, DEV_EVENT_TEARDOWN);
384 dev->set_state(dev, false);
385 device_broadcast_event(dev, DEV_EVENT_DOWN);
388 int device_check_state(struct device *dev)
390 if (!dev->type->check_state)
391 return simple_device_type.check_state(dev);
393 return dev->type->check_state(dev);
396 void device_init_virtual(struct device *dev, const struct device_type *type, const char *name)
402 strncpy(dev->ifname, name, IFNAMSIZ);
404 D(DEVICE, "Initialize device '%s'\n", dev->ifname);
405 INIT_SAFE_LIST(&dev->users);
406 INIT_SAFE_LIST(&dev->aliases);
410 dev->set_state = set_device_state;
413 int device_init(struct device *dev, const struct device_type *type, const char *ifname)
417 device_init_virtual(dev, type, ifname);
419 dev->avl.key = dev->ifname;
421 ret = avl_insert(&devices, &dev->avl);
425 system_if_clear_state(dev);
426 device_check_state(dev);
427 dev->settings.rps = default_ps;
428 dev->settings.xps = default_ps;
433 static struct device *
434 device_create_default(const char *name, bool external)
438 if (!external && system_if_force_external(name))
441 D(DEVICE, "Create simple device '%s'\n", name);
442 dev = calloc(1, sizeof(*dev));
446 dev->external = external;
447 dev->set_state = simple_device_set_state;
448 device_init(dev, &simple_device_type, name);
449 dev->default_config = true;
451 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
456 device_get(const char *name, int create)
460 if (strchr(name, '.'))
461 return get_vlan_device_chain(name, create);
464 return device_alias_get(name + 1);
466 dev = avl_find_element(&devices, name, dev, avl);
468 if (create > 1 && !dev->external) {
469 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
470 dev->external = true;
471 device_set_present(dev, true);
479 return device_create_default(name, create > 1);
483 device_delete(struct device *dev)
488 D(DEVICE, "Delete device '%s' from list\n", dev->ifname);
489 avl_delete(&devices, &dev->avl);
493 static int device_cleanup_cb(void *ctx, struct safe_list *list)
495 struct device_user *dep = container_of(list, struct device_user, list);
497 dep->cb(dep, DEV_EVENT_REMOVE);
503 void device_cleanup(struct device *dev)
505 D(DEVICE, "Clean up device '%s'\n", dev->ifname);
506 safe_list_for_each(&dev->users, device_cleanup_cb, NULL);
507 safe_list_for_each(&dev->aliases, device_cleanup_cb, NULL);
511 static void __device_set_present(struct device *dev, bool state)
513 if (dev->present == state)
516 dev->present = state;
517 device_broadcast_event(dev, state ? DEV_EVENT_ADD : DEV_EVENT_REMOVE);
521 device_refresh_present(struct device *dev)
523 bool state = dev->sys_present;
525 if (dev->disabled || dev->deferred)
528 __device_set_present(dev, state);
531 void device_set_present(struct device *dev, bool state)
533 if (dev->sys_present == state)
536 D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
537 dev->sys_present = state;
538 device_refresh_present(dev);
541 void device_set_link(struct device *dev, bool state)
543 if (dev->link_active == state)
546 netifd_log_message(L_NOTICE, "%s '%s' link is %s\n", dev->type->name, dev->ifname, state ? "up" : "down" );
548 dev->link_active = state;
549 device_broadcast_event(dev, state ? DEV_EVENT_LINK_UP : DEV_EVENT_LINK_DOWN);
552 void device_set_ifindex(struct device *dev, int ifindex)
554 if (dev->ifindex == ifindex)
557 dev->ifindex = ifindex;
558 device_broadcast_event(dev, DEV_EVENT_UPDATE_IFINDEX);
561 static int device_refcount(struct device *dev)
563 struct list_head *list;
566 list_for_each(list, &dev->users.list)
569 list_for_each(list, &dev->aliases.list)
576 __device_add_user(struct device_user *dep, struct device *dev)
578 struct safe_list *head;
583 head = &dev->aliases;
587 safe_list_add(&dep->list, head);
588 D(DEVICE, "Add user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
590 if (dep->cb && dev->present) {
591 dep->cb(dep, DEV_EVENT_ADD);
593 dep->cb(dep, DEV_EVENT_UP);
595 if (dev->link_active)
596 dep->cb(dep, DEV_EVENT_LINK_UP);
600 void device_add_user(struct device_user *dep, struct device *dev)
606 device_remove_user(dep);
611 __device_add_user(dep, dev);
615 device_free(struct device *dev)
620 dev->type->free(dev);
625 __device_free_unused(struct device *dev)
627 if (!safe_list_empty(&dev->users) ||
628 !safe_list_empty(&dev->aliases) ||
629 dev->current_config || __devlock)
635 void device_remove_user(struct device_user *dep)
637 struct device *dev = dep->dev;
642 dep->hotplug = false;
646 safe_list_del(&dep->list);
648 D(DEVICE, "Remove user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
649 __device_free_unused(dev);
653 device_free_unused(struct device *dev)
658 return __device_free_unused(dev);
660 avl_for_each_element_safe(&devices, dev, avl, tmp)
661 __device_free_unused(dev);
665 device_init_pending(void)
667 struct device *dev, *tmp;
669 avl_for_each_element_safe(&devices, dev, avl, tmp) {
670 if (!dev->config_pending)
673 dev->type->config_init(dev);
674 dev->config_pending = false;
678 static enum dev_change_type
679 device_set_config(struct device *dev, const struct device_type *type,
680 struct blob_attr *attr)
682 struct blob_attr *tb[__DEV_ATTR_MAX];
683 const struct uci_blob_param_list *cfg = type->config_params;
685 if (type != dev->type)
686 return DEV_CONFIG_RECREATE;
688 if (dev->type->reload)
689 return dev->type->reload(dev, attr);
691 if (uci_blob_check_equal(dev->config, attr, cfg))
692 return DEV_CONFIG_NO_CHANGE;
694 if (cfg == &device_attr_list) {
695 memset(tb, 0, sizeof(tb));
698 blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb,
699 blob_data(attr), blob_len(attr));
701 device_init_settings(dev, tb);
702 return DEV_CONFIG_RESTART;
704 return DEV_CONFIG_RECREATE;
708 device_apply_config(struct device *dev, const struct device_type *type,
709 struct blob_attr *config)
711 enum dev_change_type change;
713 change = device_set_config(dev, type, config);
715 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
716 change = DEV_CONFIG_APPLIED;
720 case DEV_CONFIG_RESTART:
721 case DEV_CONFIG_APPLIED:
722 D(DEVICE, "Device '%s': config applied\n", dev->ifname);
723 config = blob_memdup(config);
725 dev->config = config;
726 if (change == DEV_CONFIG_RESTART && dev->present) {
729 device_set_present(dev, false);
730 if (dev->active && !dev->external) {
731 ret = dev->set_state(dev, false);
733 ret = dev->set_state(dev, true);
736 device_set_present(dev, true);
739 case DEV_CONFIG_NO_CHANGE:
740 D(DEVICE, "Device '%s': no configuration change\n", dev->ifname);
742 case DEV_CONFIG_RECREATE:
750 device_replace(struct device *dev, struct device *odev)
752 struct device_user *dep, *tmp;
756 device_set_present(odev, false);
758 list_for_each_entry_safe(dep, tmp, &odev->users.list, list.list) {
760 safe_list_del(&dep->list);
761 __device_add_user(dep, dev);
769 device_reset_config(void)
773 avl_for_each_element(&devices, dev, avl)
774 dev->current_config = false;
778 device_reset_old(void)
780 struct device *dev, *tmp, *ndev;
782 avl_for_each_element_safe(&devices, dev, avl, tmp) {
783 if (dev->current_config || dev->default_config)
786 if (dev->type != &simple_device_type)
789 ndev = device_create_default(dev->ifname, dev->external);
793 device_replace(ndev, dev);
798 device_set_default_ps(bool state)
802 if (state == default_ps)
807 avl_for_each_element(&devices, dev, avl) {
808 struct device_settings *s = &dev->settings;
809 unsigned int apply_mask = 0;
811 if (!(s->flags & DEV_OPT_RPS)) {
813 apply_mask |= DEV_OPT_RPS;
816 if (!(s->flags & DEV_OPT_XPS)) {
818 apply_mask |= DEV_OPT_XPS;
824 if (!(dev->external || (dev->present && dev->active)) ||
828 system_if_apply_settings(dev, s, apply_mask);
833 device_create(const char *name, const struct device_type *type,
834 struct blob_attr *config)
836 struct device *odev = NULL, *dev;
837 enum dev_change_type change;
839 odev = device_get(name, false);
841 odev->current_config = true;
842 change = device_apply_config(odev, type, config);
844 case DEV_CONFIG_RECREATE:
845 D(DEVICE, "Device '%s': recreate device\n", odev->ifname);
852 D(DEVICE, "Create new device '%s' (%s)\n", name, type->name);
854 config = blob_memdup(config);
858 dev = type->create(name, config);
862 dev->current_config = true;
863 dev->config = config;
865 device_replace(dev, odev);
867 if (!config_init && dev->config_pending) {
868 type->config_init(dev);
869 dev->config_pending = false;
876 device_dump_status(struct blob_buf *b, struct device *dev)
878 struct device_settings st;
882 avl_for_each_element(&devices, dev, avl) {
885 c = blobmsg_open_table(b, dev->ifname);
886 device_dump_status(b, dev);
887 blobmsg_close_table(b, c);
893 blobmsg_add_u8(b, "external", dev->external);
894 blobmsg_add_u8(b, "present", dev->present);
895 blobmsg_add_string(b, "type", dev->type->name);
900 blobmsg_add_u8(b, "up", !!dev->active);
901 blobmsg_add_u8(b, "carrier", !!dev->link_active);
903 if (dev->type->dump_info)
904 dev->type->dump_info(dev, b);
906 system_if_dump_info(dev, b);
909 device_merge_settings(dev, &st);
910 if (st.flags & DEV_OPT_MTU)
911 blobmsg_add_u32(b, "mtu", st.mtu);
912 if (st.flags & DEV_OPT_MTU6)
913 blobmsg_add_u32(b, "mtu6", st.mtu6);
914 if (st.flags & DEV_OPT_MACADDR)
915 blobmsg_add_string(b, "macaddr", format_macaddr(st.macaddr));
916 if (st.flags & DEV_OPT_TXQUEUELEN)
917 blobmsg_add_u32(b, "txqueuelen", st.txqueuelen);
918 if (st.flags & DEV_OPT_IPV6)
919 blobmsg_add_u8(b, "ipv6", st.ipv6);
920 if (st.flags & DEV_OPT_PROMISC)
921 blobmsg_add_u8(b, "promisc", st.promisc);
922 if (st.flags & DEV_OPT_RPFILTER)
923 blobmsg_add_u32(b, "rpfilter", st.rpfilter);
924 if (st.flags & DEV_OPT_ACCEPTLOCAL)
925 blobmsg_add_u8(b, "acceptlocal", st.acceptlocal);
926 if (st.flags & DEV_OPT_IGMPVERSION)
927 blobmsg_add_u32(b, "igmpversion", st.igmpversion);
928 if (st.flags & DEV_OPT_MLDVERSION)
929 blobmsg_add_u32(b, "mldversion", st.mldversion);
930 if (st.flags & DEV_OPT_NEIGHREACHABLETIME) {
931 blobmsg_add_u32(b, "neigh4reachabletime", st.neigh4reachabletime);
932 blobmsg_add_u32(b, "neigh6reachabletime", st.neigh6reachabletime);
934 if (st.flags & DEV_OPT_DADTRANSMITS)
935 blobmsg_add_u32(b, "dadtransmits", st.dadtransmits);
936 if (st.flags & DEV_OPT_MULTICAST_TO_UNICAST)
937 blobmsg_add_u8(b, "multicast_to_unicast", st.multicast_to_unicast);
938 if (st.flags & DEV_OPT_MULTICAST_ROUTER)
939 blobmsg_add_u32(b, "multicast_router", st.multicast_router);
940 if (st.flags & DEV_OPT_MULTICAST)
941 blobmsg_add_u8(b, "multicast", st.multicast);
944 s = blobmsg_open_table(b, "statistics");
945 if (dev->type->dump_stats)
946 dev->type->dump_stats(dev, b);
948 system_if_dump_stats(dev, b);
949 blobmsg_close_table(b, s);