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 },
54 [DEV_ATTR_LEARNING] = { .name ="learning", .type = BLOBMSG_TYPE_BOOL },
55 [DEV_ATTR_UNICAST_FLOOD] = { .name ="unicast_flood", .type = BLOBMSG_TYPE_BOOL },
58 const struct uci_blob_param_list device_attr_list = {
59 .n_params = __DEV_ATTR_MAX,
63 static int __devlock = 0;
65 void device_lock(void)
70 void device_unlock(void)
74 device_free_unused(NULL);
77 static int set_device_state(struct device *dev, bool state)
80 /* Get ifindex for all devices being enabled so a valid */
81 /* ifindex is in place avoiding possible race conditions */
82 device_set_ifindex(dev, system_if_resolve(dev));
95 simple_device_set_state(struct device *dev, bool state)
100 pdev = dev->parent.dev;
101 if (state && !pdev) {
102 pdev = system_if_get_parent(dev);
104 device_add_user(&dev->parent, pdev);
109 ret = device_claim(&dev->parent);
111 device_release(&dev->parent);
116 return set_device_state(dev, state);
119 static struct device *
120 simple_device_create(const char *name, struct blob_attr *attr)
122 struct blob_attr *tb[__DEV_ATTR_MAX];
123 struct device *dev = NULL;
125 blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb, blob_data(attr), blob_len(attr));
126 dev = device_get(name, true);
130 dev->set_state = simple_device_set_state;
131 device_init_settings(dev, tb);
136 static void simple_device_free(struct device *dev)
139 device_remove_user(&dev->parent);
143 const struct device_type simple_device_type = {
144 .name = "Network device",
145 .config_params = &device_attr_list,
147 .create = simple_device_create,
148 .check_state = system_if_check,
149 .free = simple_device_free,
153 device_merge_settings(struct device *dev, struct device_settings *n)
155 struct device_settings *os = &dev->orig_settings;
156 struct device_settings *s = &dev->settings;
158 memset(n, 0, sizeof(*n));
159 n->mtu = s->flags & DEV_OPT_MTU ? s->mtu : os->mtu;
160 n->mtu6 = s->flags & DEV_OPT_MTU6 ? s->mtu6 : os->mtu6;
161 n->txqueuelen = s->flags & DEV_OPT_TXQUEUELEN ?
162 s->txqueuelen : os->txqueuelen;
164 (s->flags & DEV_OPT_MACADDR ? s->macaddr : os->macaddr),
166 n->ipv6 = s->flags & DEV_OPT_IPV6 ? s->ipv6 : os->ipv6;
167 n->promisc = s->flags & DEV_OPT_PROMISC ? s->promisc : os->promisc;
168 n->rpfilter = s->flags & DEV_OPT_RPFILTER ? s->rpfilter : os->rpfilter;
169 n->acceptlocal = s->flags & DEV_OPT_ACCEPTLOCAL ? s->acceptlocal : os->acceptlocal;
170 n->igmpversion = s->flags & DEV_OPT_IGMPVERSION ? s->igmpversion : os->igmpversion;
171 n->mldversion = s->flags & DEV_OPT_MLDVERSION ? s->mldversion : os->mldversion;
172 n->neigh4reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ?
173 s->neigh4reachabletime : os->neigh4reachabletime;
174 n->neigh6reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ?
175 s->neigh6reachabletime : os->neigh6reachabletime;
176 n->dadtransmits = s->flags & DEV_OPT_DADTRANSMITS ?
177 s->dadtransmits : os->dadtransmits;
178 n->multicast = s->flags & DEV_OPT_MULTICAST ?
179 s->multicast : os->multicast;
180 n->multicast_to_unicast = s->multicast_to_unicast;
181 n->multicast_router = s->multicast_router;
182 n->learning = s->learning;
183 n->unicast_flood = s->unicast_flood;
184 n->flags = s->flags | os->flags | os->valid_flags;
188 device_init_settings(struct device *dev, struct blob_attr **tb)
190 struct device_settings *s = &dev->settings;
191 struct blob_attr *cur;
192 struct ether_addr *ea;
193 bool disabled = false;
196 if ((cur = tb[DEV_ATTR_ENABLED]))
197 disabled = !blobmsg_get_bool(cur);
199 if ((cur = tb[DEV_ATTR_MTU])) {
200 s->mtu = blobmsg_get_u32(cur);
201 s->flags |= DEV_OPT_MTU;
204 if ((cur = tb[DEV_ATTR_MTU6])) {
205 s->mtu6 = blobmsg_get_u32(cur);
206 s->flags |= DEV_OPT_MTU6;
209 if ((cur = tb[DEV_ATTR_TXQUEUELEN])) {
210 s->txqueuelen = blobmsg_get_u32(cur);
211 s->flags |= DEV_OPT_TXQUEUELEN;
214 if ((cur = tb[DEV_ATTR_MACADDR])) {
215 ea = ether_aton(blobmsg_data(cur));
217 memcpy(s->macaddr, ea, 6);
218 s->flags |= DEV_OPT_MACADDR;
222 if ((cur = tb[DEV_ATTR_IPV6])) {
223 s->ipv6 = blobmsg_get_bool(cur);
224 s->flags |= DEV_OPT_IPV6;
227 if ((cur = tb[DEV_ATTR_PROMISC])) {
228 s->promisc = blobmsg_get_bool(cur);
229 s->flags |= DEV_OPT_PROMISC;
232 if ((cur = tb[DEV_ATTR_RPFILTER])) {
233 if (system_resolve_rpfilter(blobmsg_data(cur), &s->rpfilter))
234 s->flags |= DEV_OPT_RPFILTER;
236 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur));
239 if ((cur = tb[DEV_ATTR_ACCEPTLOCAL])) {
240 s->acceptlocal = blobmsg_get_bool(cur);
241 s->flags |= DEV_OPT_ACCEPTLOCAL;
244 if ((cur = tb[DEV_ATTR_IGMPVERSION])) {
245 s->igmpversion = blobmsg_get_u32(cur);
246 if (s->igmpversion >= 1 && s->igmpversion <= 3)
247 s->flags |= DEV_OPT_IGMPVERSION;
249 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur));
252 if ((cur = tb[DEV_ATTR_MLDVERSION])) {
253 s->mldversion = blobmsg_get_u32(cur);
254 if (s->mldversion >= 1 && s->mldversion <= 2)
255 s->flags |= DEV_OPT_MLDVERSION;
257 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur));
260 if ((cur = tb[DEV_ATTR_NEIGHREACHABLETIME])) {
261 s->neigh6reachabletime = s->neigh4reachabletime = blobmsg_get_u32(cur);
262 s->flags |= DEV_OPT_NEIGHREACHABLETIME;
265 if ((cur = tb[DEV_ATTR_RPS])) {
266 s->rps = blobmsg_get_bool(cur);
267 s->flags |= DEV_OPT_RPS;
272 if ((cur = tb[DEV_ATTR_XPS])) {
273 s->xps = blobmsg_get_bool(cur);
274 s->flags |= DEV_OPT_XPS;
279 if ((cur = tb[DEV_ATTR_DADTRANSMITS])) {
280 s->dadtransmits = blobmsg_get_u32(cur);
281 s->flags |= DEV_OPT_DADTRANSMITS;
284 if ((cur = tb[DEV_ATTR_MULTICAST_TO_UNICAST])) {
285 s->multicast_to_unicast = blobmsg_get_bool(cur);
286 s->flags |= DEV_OPT_MULTICAST_TO_UNICAST;
289 if ((cur = tb[DEV_ATTR_MULTICAST_ROUTER])) {
290 s->multicast_router = blobmsg_get_u32(cur);
291 if (s->multicast_router <= 2)
292 s->flags |= DEV_OPT_MULTICAST_ROUTER;
294 DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur));
297 if ((cur = tb[DEV_ATTR_MULTICAST])) {
298 s->multicast = blobmsg_get_bool(cur);
299 s->flags |= DEV_OPT_MULTICAST;
302 if ((cur = tb[DEV_ATTR_LEARNING])) {
303 s->learning = blobmsg_get_bool(cur);
304 s->flags |= DEV_OPT_LEARNING;
307 if ((cur = tb[DEV_ATTR_UNICAST_FLOOD])) {
308 s->unicast_flood = blobmsg_get_bool(cur);
309 s->flags |= DEV_OPT_UNICAST_FLOOD;
312 device_set_disabled(dev, disabled);
315 static void __init dev_init(void)
317 avl_init(&devices, avl_strcmp, true, NULL);
320 static int device_broadcast_cb(void *ctx, struct safe_list *list)
322 struct device_user *dep = container_of(list, struct device_user, list);
325 /* device might have been removed by an earlier callback */
334 void device_broadcast_event(struct device *dev, enum device_event ev)
338 safe_list_for_each(&dev->aliases, device_broadcast_cb, &dev_ev);
339 safe_list_for_each(&dev->users, device_broadcast_cb, &dev_ev);
342 int device_claim(struct device_user *dep)
344 struct device *dev = dep->dev;
354 D(DEVICE, "Claim %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active + 1);
355 if (++dev->active != 1)
358 device_broadcast_event(dev, DEV_EVENT_SETUP);
360 /* Get ifindex for external claimed devices so a valid */
361 /* ifindex is in place avoiding possible race conditions */
362 device_set_ifindex(dev, system_if_resolve(dev));
366 system_if_get_settings(dev, &dev->orig_settings);
368 ret = dev->set_state(dev, true);
371 device_broadcast_event(dev, DEV_EVENT_UP);
373 D(DEVICE, "claim %s %s failed: %d\n", dev->type->name, dev->ifname, ret);
375 dep->claimed = false;
381 void device_release(struct device_user *dep)
383 struct device *dev = dep->dev;
388 dep->claimed = false;
390 D(DEVICE, "Release %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active);
391 assert(dev->active >= 0);
396 device_broadcast_event(dev, DEV_EVENT_TEARDOWN);
398 dev->set_state(dev, false);
399 device_broadcast_event(dev, DEV_EVENT_DOWN);
402 int device_check_state(struct device *dev)
404 if (!dev->type->check_state)
405 return simple_device_type.check_state(dev);
407 return dev->type->check_state(dev);
410 void device_init_virtual(struct device *dev, const struct device_type *type, const char *name)
416 strncpy(dev->ifname, name, IFNAMSIZ);
418 D(DEVICE, "Initialize device '%s'\n", dev->ifname);
419 INIT_SAFE_LIST(&dev->users);
420 INIT_SAFE_LIST(&dev->aliases);
424 dev->set_state = set_device_state;
427 int device_init(struct device *dev, const struct device_type *type, const char *ifname)
431 device_init_virtual(dev, type, ifname);
433 dev->avl.key = dev->ifname;
435 ret = avl_insert(&devices, &dev->avl);
439 system_if_clear_state(dev);
440 device_check_state(dev);
441 dev->settings.rps = default_ps;
442 dev->settings.xps = default_ps;
447 static struct device *
448 device_create_default(const char *name, bool external)
452 if (!external && system_if_force_external(name))
455 D(DEVICE, "Create simple device '%s'\n", name);
456 dev = calloc(1, sizeof(*dev));
460 dev->external = external;
461 dev->set_state = simple_device_set_state;
462 device_init(dev, &simple_device_type, name);
463 dev->default_config = true;
465 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
470 device_get(const char *name, int create)
474 if (strchr(name, '.'))
475 return get_vlan_device_chain(name, create);
478 return device_alias_get(name + 1);
480 dev = avl_find_element(&devices, name, dev, avl);
482 if (create > 1 && !dev->external) {
483 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
484 dev->external = true;
485 device_set_present(dev, true);
493 return device_create_default(name, create > 1);
497 device_delete(struct device *dev)
502 D(DEVICE, "Delete device '%s' from list\n", dev->ifname);
503 avl_delete(&devices, &dev->avl);
507 static int device_cleanup_cb(void *ctx, struct safe_list *list)
509 struct device_user *dep = container_of(list, struct device_user, list);
511 dep->cb(dep, DEV_EVENT_REMOVE);
517 void device_cleanup(struct device *dev)
519 D(DEVICE, "Clean up device '%s'\n", dev->ifname);
520 safe_list_for_each(&dev->users, device_cleanup_cb, NULL);
521 safe_list_for_each(&dev->aliases, device_cleanup_cb, NULL);
525 static void __device_set_present(struct device *dev, bool state)
527 if (dev->present == state)
530 dev->present = state;
531 device_broadcast_event(dev, state ? DEV_EVENT_ADD : DEV_EVENT_REMOVE);
535 device_refresh_present(struct device *dev)
537 bool state = dev->sys_present;
539 if (dev->disabled || dev->deferred)
542 __device_set_present(dev, state);
545 void device_set_present(struct device *dev, bool state)
547 if (dev->sys_present == state)
550 D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
551 dev->sys_present = state;
552 device_refresh_present(dev);
555 void device_set_link(struct device *dev, bool state)
557 if (dev->link_active == state)
560 netifd_log_message(L_NOTICE, "%s '%s' link is %s\n", dev->type->name, dev->ifname, state ? "up" : "down" );
562 dev->link_active = state;
563 device_broadcast_event(dev, state ? DEV_EVENT_LINK_UP : DEV_EVENT_LINK_DOWN);
566 void device_set_ifindex(struct device *dev, int ifindex)
568 if (dev->ifindex == ifindex)
571 dev->ifindex = ifindex;
572 device_broadcast_event(dev, DEV_EVENT_UPDATE_IFINDEX);
575 static int device_refcount(struct device *dev)
577 struct list_head *list;
580 list_for_each(list, &dev->users.list)
583 list_for_each(list, &dev->aliases.list)
590 __device_add_user(struct device_user *dep, struct device *dev)
592 struct safe_list *head;
597 head = &dev->aliases;
601 safe_list_add(&dep->list, head);
602 D(DEVICE, "Add user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
604 if (dep->cb && dev->present) {
605 dep->cb(dep, DEV_EVENT_ADD);
607 dep->cb(dep, DEV_EVENT_UP);
609 if (dev->link_active)
610 dep->cb(dep, DEV_EVENT_LINK_UP);
614 void device_add_user(struct device_user *dep, struct device *dev)
620 device_remove_user(dep);
625 __device_add_user(dep, dev);
629 device_free(struct device *dev)
634 dev->type->free(dev);
639 __device_free_unused(struct device *dev)
641 if (!safe_list_empty(&dev->users) ||
642 !safe_list_empty(&dev->aliases) ||
643 dev->current_config || __devlock)
649 void device_remove_user(struct device_user *dep)
651 struct device *dev = dep->dev;
656 dep->hotplug = false;
660 safe_list_del(&dep->list);
662 D(DEVICE, "Remove user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
663 __device_free_unused(dev);
667 device_free_unused(struct device *dev)
672 return __device_free_unused(dev);
674 avl_for_each_element_safe(&devices, dev, avl, tmp)
675 __device_free_unused(dev);
679 device_init_pending(void)
681 struct device *dev, *tmp;
683 avl_for_each_element_safe(&devices, dev, avl, tmp) {
684 if (!dev->config_pending)
687 dev->type->config_init(dev);
688 dev->config_pending = false;
692 static enum dev_change_type
693 device_set_config(struct device *dev, const struct device_type *type,
694 struct blob_attr *attr)
696 struct blob_attr *tb[__DEV_ATTR_MAX];
697 const struct uci_blob_param_list *cfg = type->config_params;
699 if (type != dev->type)
700 return DEV_CONFIG_RECREATE;
702 if (dev->type->reload)
703 return dev->type->reload(dev, attr);
705 if (uci_blob_check_equal(dev->config, attr, cfg))
706 return DEV_CONFIG_NO_CHANGE;
708 if (cfg == &device_attr_list) {
709 memset(tb, 0, sizeof(tb));
712 blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb,
713 blob_data(attr), blob_len(attr));
715 device_init_settings(dev, tb);
716 return DEV_CONFIG_RESTART;
718 return DEV_CONFIG_RECREATE;
722 device_apply_config(struct device *dev, const struct device_type *type,
723 struct blob_attr *config)
725 enum dev_change_type change;
727 change = device_set_config(dev, type, config);
729 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
730 change = DEV_CONFIG_APPLIED;
734 case DEV_CONFIG_RESTART:
735 case DEV_CONFIG_APPLIED:
736 D(DEVICE, "Device '%s': config applied\n", dev->ifname);
737 config = blob_memdup(config);
739 dev->config = config;
740 if (change == DEV_CONFIG_RESTART && dev->present) {
743 device_set_present(dev, false);
744 if (dev->active && !dev->external) {
745 ret = dev->set_state(dev, false);
747 ret = dev->set_state(dev, true);
750 device_set_present(dev, true);
753 case DEV_CONFIG_NO_CHANGE:
754 D(DEVICE, "Device '%s': no configuration change\n", dev->ifname);
756 case DEV_CONFIG_RECREATE:
764 device_replace(struct device *dev, struct device *odev)
766 struct device_user *dep, *tmp;
770 device_set_present(odev, false);
772 list_for_each_entry_safe(dep, tmp, &odev->users.list, list.list) {
774 safe_list_del(&dep->list);
775 __device_add_user(dep, dev);
783 device_reset_config(void)
787 avl_for_each_element(&devices, dev, avl)
788 dev->current_config = false;
792 device_reset_old(void)
794 struct device *dev, *tmp, *ndev;
796 avl_for_each_element_safe(&devices, dev, avl, tmp) {
797 if (dev->current_config || dev->default_config)
800 if (dev->type != &simple_device_type)
803 ndev = device_create_default(dev->ifname, dev->external);
807 device_replace(ndev, dev);
812 device_set_default_ps(bool state)
816 if (state == default_ps)
821 avl_for_each_element(&devices, dev, avl) {
822 struct device_settings *s = &dev->settings;
823 unsigned int apply_mask = 0;
825 if (!(s->flags & DEV_OPT_RPS)) {
827 apply_mask |= DEV_OPT_RPS;
830 if (!(s->flags & DEV_OPT_XPS)) {
832 apply_mask |= DEV_OPT_XPS;
838 if (!(dev->external || (dev->present && dev->active)) ||
842 system_if_apply_settings(dev, s, apply_mask);
847 device_create(const char *name, const struct device_type *type,
848 struct blob_attr *config)
850 struct device *odev = NULL, *dev;
851 enum dev_change_type change;
853 odev = device_get(name, false);
855 odev->current_config = true;
856 change = device_apply_config(odev, type, config);
858 case DEV_CONFIG_RECREATE:
859 D(DEVICE, "Device '%s': recreate device\n", odev->ifname);
866 D(DEVICE, "Create new device '%s' (%s)\n", name, type->name);
868 config = blob_memdup(config);
872 dev = type->create(name, config);
876 dev->current_config = true;
877 dev->config = config;
879 device_replace(dev, odev);
881 if (!config_init && dev->config_pending) {
882 type->config_init(dev);
883 dev->config_pending = false;
890 device_dump_status(struct blob_buf *b, struct device *dev)
892 struct device_settings st;
896 avl_for_each_element(&devices, dev, avl) {
899 c = blobmsg_open_table(b, dev->ifname);
900 device_dump_status(b, dev);
901 blobmsg_close_table(b, c);
907 blobmsg_add_u8(b, "external", dev->external);
908 blobmsg_add_u8(b, "present", dev->present);
909 blobmsg_add_string(b, "type", dev->type->name);
914 blobmsg_add_u8(b, "up", !!dev->active);
915 blobmsg_add_u8(b, "carrier", !!dev->link_active);
917 if (dev->type->dump_info)
918 dev->type->dump_info(dev, b);
920 system_if_dump_info(dev, b);
923 device_merge_settings(dev, &st);
924 if (st.flags & DEV_OPT_MTU)
925 blobmsg_add_u32(b, "mtu", st.mtu);
926 if (st.flags & DEV_OPT_MTU6)
927 blobmsg_add_u32(b, "mtu6", st.mtu6);
928 if (st.flags & DEV_OPT_MACADDR)
929 blobmsg_add_string(b, "macaddr", format_macaddr(st.macaddr));
930 if (st.flags & DEV_OPT_TXQUEUELEN)
931 blobmsg_add_u32(b, "txqueuelen", st.txqueuelen);
932 if (st.flags & DEV_OPT_IPV6)
933 blobmsg_add_u8(b, "ipv6", st.ipv6);
934 if (st.flags & DEV_OPT_PROMISC)
935 blobmsg_add_u8(b, "promisc", st.promisc);
936 if (st.flags & DEV_OPT_RPFILTER)
937 blobmsg_add_u32(b, "rpfilter", st.rpfilter);
938 if (st.flags & DEV_OPT_ACCEPTLOCAL)
939 blobmsg_add_u8(b, "acceptlocal", st.acceptlocal);
940 if (st.flags & DEV_OPT_IGMPVERSION)
941 blobmsg_add_u32(b, "igmpversion", st.igmpversion);
942 if (st.flags & DEV_OPT_MLDVERSION)
943 blobmsg_add_u32(b, "mldversion", st.mldversion);
944 if (st.flags & DEV_OPT_NEIGHREACHABLETIME) {
945 blobmsg_add_u32(b, "neigh4reachabletime", st.neigh4reachabletime);
946 blobmsg_add_u32(b, "neigh6reachabletime", st.neigh6reachabletime);
948 if (st.flags & DEV_OPT_DADTRANSMITS)
949 blobmsg_add_u32(b, "dadtransmits", st.dadtransmits);
950 if (st.flags & DEV_OPT_MULTICAST_TO_UNICAST)
951 blobmsg_add_u8(b, "multicast_to_unicast", st.multicast_to_unicast);
952 if (st.flags & DEV_OPT_MULTICAST_ROUTER)
953 blobmsg_add_u32(b, "multicast_router", st.multicast_router);
954 if (st.flags & DEV_OPT_MULTICAST)
955 blobmsg_add_u8(b, "multicast", st.multicast);
956 if (st.flags & DEV_OPT_LEARNING)
957 blobmsg_add_u8(b, "learning", st.learning);
958 if (st.flags & DEV_OPT_UNICAST_FLOOD)
959 blobmsg_add_u8(b, "unicast_flood", st.unicast_flood);
962 s = blobmsg_open_table(b, "statistics");
963 if (dev->type->dump_stats)
964 dev->type->dump_stats(dev, b);
966 system_if_dump_stats(dev, b);
967 blobmsg_close_table(b, s);