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_FAST_LEAVE] = { .name = "multicast_fast_leave", . type = BLOBMSG_TYPE_BOOL },
58 [DEV_ATTR_MULTICAST] = { .name ="multicast", .type = BLOBMSG_TYPE_BOOL },
59 [DEV_ATTR_LEARNING] = { .name ="learning", .type = BLOBMSG_TYPE_BOOL },
60 [DEV_ATTR_UNICAST_FLOOD] = { .name ="unicast_flood", .type = BLOBMSG_TYPE_BOOL },
61 [DEV_ATTR_SENDREDIRECTS] = { .name = "sendredirects", .type = BLOBMSG_TYPE_BOOL },
62 [DEV_ATTR_NEIGHLOCKTIME] = { .name = "neighlocktime", .type = BLOBMSG_TYPE_INT32 },
65 const struct uci_blob_param_list device_attr_list = {
66 .n_params = __DEV_ATTR_MAX,
70 static int __devlock = 0;
72 int device_type_add(struct device_type *devtype)
74 if (device_type_get(devtype->name)) {
75 netifd_log_message(L_WARNING, "Device handler '%s' already exists\n",
80 netifd_log_message(L_NOTICE, "Added device handler type: %s\n",
83 list_add(&devtype->list, &devtypes);
87 /* Retrieve the device type for the given name. If 'bridge' is true, the type
88 * must have bridge capabilities
91 device_type_get(const char *tname)
93 struct device_type *cur;
95 list_for_each_entry(cur, &devtypes, list)
96 if (!strcmp(cur->name, tname))
102 void device_lock(void)
107 void device_unlock(void)
111 device_free_unused(NULL);
114 static int set_device_state(struct device *dev, bool state)
117 /* Get ifindex for all devices being enabled so a valid */
118 /* ifindex is in place avoiding possible race conditions */
119 device_set_ifindex(dev, system_if_resolve(dev));
132 simple_device_set_state(struct device *dev, bool state)
137 pdev = dev->parent.dev;
138 if (state && !pdev) {
139 pdev = system_if_get_parent(dev);
141 device_add_user(&dev->parent, pdev);
146 ret = device_claim(&dev->parent);
148 device_release(&dev->parent);
153 return set_device_state(dev, state);
156 static struct device *
157 simple_device_create(const char *name, struct device_type *devtype,
158 struct blob_attr *attr)
160 struct blob_attr *tb[__DEV_ATTR_MAX];
161 struct device *dev = NULL;
163 /* device type is unused for simple devices */
166 blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb, blob_data(attr), blob_len(attr));
167 dev = device_get(name, true);
171 dev->set_state = simple_device_set_state;
172 device_init_settings(dev, tb);
177 static void simple_device_free(struct device *dev)
180 device_remove_user(&dev->parent);
184 struct device_type simple_device_type = {
185 .name = "Network device",
186 .config_params = &device_attr_list,
188 .create = simple_device_create,
189 .check_state = system_if_check,
190 .free = simple_device_free,
194 device_merge_settings(struct device *dev, struct device_settings *n)
196 struct device_settings *os = &dev->orig_settings;
197 struct device_settings *s = &dev->settings;
199 memset(n, 0, sizeof(*n));
200 n->mtu = s->flags & DEV_OPT_MTU ? s->mtu : os->mtu;
201 n->mtu6 = s->flags & DEV_OPT_MTU6 ? s->mtu6 : os->mtu6;
202 n->txqueuelen = s->flags & DEV_OPT_TXQUEUELEN ?
203 s->txqueuelen : os->txqueuelen;
205 (s->flags & DEV_OPT_MACADDR ? s->macaddr : os->macaddr),
207 n->ipv6 = s->flags & DEV_OPT_IPV6 ? s->ipv6 : os->ipv6;
208 n->promisc = s->flags & DEV_OPT_PROMISC ? s->promisc : os->promisc;
209 n->rpfilter = s->flags & DEV_OPT_RPFILTER ? s->rpfilter : os->rpfilter;
210 n->acceptlocal = s->flags & DEV_OPT_ACCEPTLOCAL ? s->acceptlocal : os->acceptlocal;
211 n->igmpversion = s->flags & DEV_OPT_IGMPVERSION ? s->igmpversion : os->igmpversion;
212 n->mldversion = s->flags & DEV_OPT_MLDVERSION ? s->mldversion : os->mldversion;
213 n->neigh4reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ?
214 s->neigh4reachabletime : os->neigh4reachabletime;
215 n->neigh6reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ?
216 s->neigh6reachabletime : os->neigh6reachabletime;
217 n->neigh4gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ?
218 s->neigh4gcstaletime : os->neigh4gcstaletime;
219 n->neigh6gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ?
220 s->neigh6gcstaletime : os->neigh6gcstaletime;
221 n->neigh4locktime = s->flags & DEV_OPT_NEIGHLOCKTIME ?
222 s->neigh4locktime : os->neigh4locktime;
223 n->dadtransmits = s->flags & DEV_OPT_DADTRANSMITS ?
224 s->dadtransmits : os->dadtransmits;
225 n->multicast = s->flags & DEV_OPT_MULTICAST ?
226 s->multicast : os->multicast;
227 n->multicast_to_unicast = s->multicast_to_unicast;
228 n->multicast_router = s->multicast_router;
229 n->multicast_fast_leave = s->multicast_fast_leave;
230 n->learning = s->learning;
231 n->unicast_flood = s->unicast_flood;
232 n->sendredirects = s->flags & DEV_OPT_SENDREDIRECTS ?
233 s->sendredirects : os->sendredirects;
234 n->flags = s->flags | os->flags | os->valid_flags;
238 device_init_settings(struct device *dev, struct blob_attr **tb)
240 struct device_settings *s = &dev->settings;
241 struct blob_attr *cur;
242 struct ether_addr *ea;
243 bool disabled = false;
246 if ((cur = tb[DEV_ATTR_ENABLED]))
247 disabled = !blobmsg_get_bool(cur);
249 if ((cur = tb[DEV_ATTR_MTU]) && blobmsg_get_u32(cur) >= 68) {
250 s->mtu = blobmsg_get_u32(cur);
251 s->flags |= DEV_OPT_MTU;
254 if ((cur = tb[DEV_ATTR_MTU6]) && blobmsg_get_u32(cur) >= 1280) {
255 s->mtu6 = blobmsg_get_u32(cur);
256 s->flags |= DEV_OPT_MTU6;
259 if ((cur = tb[DEV_ATTR_TXQUEUELEN])) {
260 s->txqueuelen = blobmsg_get_u32(cur);
261 s->flags |= DEV_OPT_TXQUEUELEN;
264 if ((cur = tb[DEV_ATTR_MACADDR])) {
265 ea = ether_aton(blobmsg_data(cur));
267 memcpy(s->macaddr, ea, 6);
268 s->flags |= DEV_OPT_MACADDR;
272 if ((cur = tb[DEV_ATTR_IPV6])) {
273 s->ipv6 = blobmsg_get_bool(cur);
274 s->flags |= DEV_OPT_IPV6;
277 if ((cur = tb[DEV_ATTR_PROMISC])) {
278 s->promisc = blobmsg_get_bool(cur);
279 s->flags |= DEV_OPT_PROMISC;
282 if ((cur = tb[DEV_ATTR_RPFILTER])) {
283 if (system_resolve_rpfilter(blobmsg_data(cur), &s->rpfilter))
284 s->flags |= DEV_OPT_RPFILTER;
286 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur));
289 if ((cur = tb[DEV_ATTR_ACCEPTLOCAL])) {
290 s->acceptlocal = blobmsg_get_bool(cur);
291 s->flags |= DEV_OPT_ACCEPTLOCAL;
294 if ((cur = tb[DEV_ATTR_IGMPVERSION])) {
295 s->igmpversion = blobmsg_get_u32(cur);
296 if (s->igmpversion >= 1 && s->igmpversion <= 3)
297 s->flags |= DEV_OPT_IGMPVERSION;
299 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur));
302 if ((cur = tb[DEV_ATTR_MLDVERSION])) {
303 s->mldversion = blobmsg_get_u32(cur);
304 if (s->mldversion >= 1 && s->mldversion <= 2)
305 s->flags |= DEV_OPT_MLDVERSION;
307 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur));
310 if ((cur = tb[DEV_ATTR_NEIGHREACHABLETIME])) {
311 s->neigh6reachabletime = s->neigh4reachabletime = blobmsg_get_u32(cur);
312 s->flags |= DEV_OPT_NEIGHREACHABLETIME;
315 if ((cur = tb[DEV_ATTR_NEIGHGCSTALETIME])) {
316 s->neigh6gcstaletime = s->neigh4gcstaletime = blobmsg_get_u32(cur);
317 s->flags |= DEV_OPT_NEIGHGCSTALETIME;
320 if ((cur = tb[DEV_ATTR_NEIGHLOCKTIME])) {
321 s->neigh4locktime = blobmsg_get_u32(cur);
322 s->flags |= DEV_OPT_NEIGHLOCKTIME;
325 if ((cur = tb[DEV_ATTR_RPS])) {
326 s->rps = blobmsg_get_bool(cur);
327 s->flags |= DEV_OPT_RPS;
332 if ((cur = tb[DEV_ATTR_XPS])) {
333 s->xps = blobmsg_get_bool(cur);
334 s->flags |= DEV_OPT_XPS;
339 if ((cur = tb[DEV_ATTR_DADTRANSMITS])) {
340 s->dadtransmits = blobmsg_get_u32(cur);
341 s->flags |= DEV_OPT_DADTRANSMITS;
344 if ((cur = tb[DEV_ATTR_MULTICAST_TO_UNICAST])) {
345 s->multicast_to_unicast = blobmsg_get_bool(cur);
346 s->flags |= DEV_OPT_MULTICAST_TO_UNICAST;
349 if ((cur = tb[DEV_ATTR_MULTICAST_ROUTER])) {
350 s->multicast_router = blobmsg_get_u32(cur);
351 if (s->multicast_router <= 2)
352 s->flags |= DEV_OPT_MULTICAST_ROUTER;
354 DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur));
357 if ((cur = tb[DEV_ATTR_MULTICAST_FAST_LEAVE])) {
358 s->multicast_fast_leave = blobmsg_get_bool(cur);
359 s->flags |= DEV_OPT_MULTICAST_FAST_LEAVE;
362 if ((cur = tb[DEV_ATTR_MULTICAST])) {
363 s->multicast = blobmsg_get_bool(cur);
364 s->flags |= DEV_OPT_MULTICAST;
367 if ((cur = tb[DEV_ATTR_LEARNING])) {
368 s->learning = blobmsg_get_bool(cur);
369 s->flags |= DEV_OPT_LEARNING;
372 if ((cur = tb[DEV_ATTR_UNICAST_FLOOD])) {
373 s->unicast_flood = blobmsg_get_bool(cur);
374 s->flags |= DEV_OPT_UNICAST_FLOOD;
377 if ((cur = tb[DEV_ATTR_SENDREDIRECTS])) {
378 s->sendredirects = blobmsg_get_bool(cur);
379 s->flags |= DEV_OPT_SENDREDIRECTS;
382 device_set_disabled(dev, disabled);
385 static void __init dev_init(void)
387 avl_init(&devices, avl_strcmp, true, NULL);
390 static int device_broadcast_cb(void *ctx, struct safe_list *list)
392 struct device_user *dep = container_of(list, struct device_user, list);
395 /* device might have been removed by an earlier callback */
404 void device_broadcast_event(struct device *dev, enum device_event ev)
408 safe_list_for_each(&dev->aliases, device_broadcast_cb, &dev_ev);
409 safe_list_for_each(&dev->users, device_broadcast_cb, &dev_ev);
412 int device_claim(struct device_user *dep)
414 struct device *dev = dep->dev;
424 D(DEVICE, "Claim %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active + 1);
425 if (++dev->active != 1)
428 device_broadcast_event(dev, DEV_EVENT_SETUP);
430 /* Get ifindex for external claimed devices so a valid */
431 /* ifindex is in place avoiding possible race conditions */
432 device_set_ifindex(dev, system_if_resolve(dev));
436 system_if_get_settings(dev, &dev->orig_settings);
438 ret = dev->set_state(dev, true);
441 device_broadcast_event(dev, DEV_EVENT_UP);
443 D(DEVICE, "claim %s %s failed: %d\n", dev->type->name, dev->ifname, ret);
445 dep->claimed = false;
451 void device_release(struct device_user *dep)
453 struct device *dev = dep->dev;
458 dep->claimed = false;
460 D(DEVICE, "Release %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active);
461 assert(dev->active >= 0);
466 device_broadcast_event(dev, DEV_EVENT_TEARDOWN);
468 dev->set_state(dev, false);
473 device_broadcast_event(dev, DEV_EVENT_DOWN);
476 int device_check_state(struct device *dev)
478 if (!dev->type->check_state)
479 return simple_device_type.check_state(dev);
481 return dev->type->check_state(dev);
484 void device_init_virtual(struct device *dev, struct device_type *type, const char *name)
489 D(DEVICE, "Initialize device '%s'\n", name ? name : "");
490 INIT_SAFE_LIST(&dev->users);
491 INIT_SAFE_LIST(&dev->aliases);
495 device_set_ifname(dev, name);
498 dev->set_state = set_device_state;
501 int device_init(struct device *dev, struct device_type *type, const char *ifname)
505 device_init_virtual(dev, type, ifname);
507 dev->avl.key = dev->ifname;
509 ret = avl_insert(&devices, &dev->avl);
513 system_if_clear_state(dev);
514 device_check_state(dev);
515 dev->settings.rps = default_ps;
516 dev->settings.xps = default_ps;
521 static struct device *
522 device_create_default(const char *name, bool external)
526 if (!external && system_if_force_external(name))
529 D(DEVICE, "Create simple device '%s'\n", name);
530 dev = calloc(1, sizeof(*dev));
534 dev->external = external;
535 dev->set_state = simple_device_set_state;
536 device_init(dev, &simple_device_type, name);
537 dev->default_config = true;
539 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
544 device_find(const char *name)
548 return avl_find_element(&devices, name, dev, avl);
552 device_get(const char *name, int create)
556 if (strchr(name, '.'))
557 return get_vlan_device_chain(name, create);
560 return device_alias_get(name + 1);
562 dev = avl_find_element(&devices, name, dev, avl);
564 if (create > 1 && !dev->external) {
565 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
566 dev->external = true;
567 device_set_present(dev, true);
575 return device_create_default(name, create > 1);
579 device_delete(struct device *dev)
584 D(DEVICE, "Delete device '%s' from list\n", dev->ifname);
585 avl_delete(&devices, &dev->avl);
589 static int device_cleanup_cb(void *ctx, struct safe_list *list)
591 struct device_user *dep = container_of(list, struct device_user, list);
593 dep->cb(dep, DEV_EVENT_REMOVE);
599 void device_cleanup(struct device *dev)
601 D(DEVICE, "Clean up device '%s'\n", dev->ifname);
602 safe_list_for_each(&dev->users, device_cleanup_cb, NULL);
603 safe_list_for_each(&dev->aliases, device_cleanup_cb, NULL);
607 static void __device_set_present(struct device *dev, bool state)
609 if (dev->present == state)
612 dev->present = state;
613 device_broadcast_event(dev, state ? DEV_EVENT_ADD : DEV_EVENT_REMOVE);
617 device_refresh_present(struct device *dev)
619 bool state = dev->sys_present;
621 if (dev->disabled || dev->deferred)
624 __device_set_present(dev, state);
627 void device_set_present(struct device *dev, bool state)
629 if (dev->sys_present == state)
632 D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
633 dev->sys_present = state;
634 device_refresh_present(dev);
637 void device_set_link(struct device *dev, bool state)
639 if (dev->link_active == state)
642 netifd_log_message(L_NOTICE, "%s '%s' link is %s\n", dev->type->name, dev->ifname, state ? "up" : "down" );
644 dev->link_active = state;
645 device_broadcast_event(dev, state ? DEV_EVENT_LINK_UP : DEV_EVENT_LINK_DOWN);
648 void device_set_ifindex(struct device *dev, int ifindex)
650 if (dev->ifindex == ifindex)
653 dev->ifindex = ifindex;
654 device_broadcast_event(dev, DEV_EVENT_UPDATE_IFINDEX);
657 int device_set_ifname(struct device *dev, const char *name)
661 if (!strcmp(dev->ifname, name))
665 avl_delete(&devices, &dev->avl);
667 strncpy(dev->ifname, name, IFNAMSIZ);
670 ret = avl_insert(&devices, &dev->avl);
673 device_broadcast_event(dev, DEV_EVENT_UPDATE_IFNAME);
678 static int device_refcount(struct device *dev)
680 struct list_head *list;
683 list_for_each(list, &dev->users.list)
686 list_for_each(list, &dev->aliases.list)
693 __device_add_user(struct device_user *dep, struct device *dev)
695 struct safe_list *head;
700 head = &dev->aliases;
704 safe_list_add(&dep->list, head);
705 D(DEVICE, "Add user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
707 if (dep->cb && dev->present) {
708 dep->cb(dep, DEV_EVENT_ADD);
710 dep->cb(dep, DEV_EVENT_UP);
712 if (dev->link_active)
713 dep->cb(dep, DEV_EVENT_LINK_UP);
717 void device_add_user(struct device_user *dep, struct device *dev)
723 device_remove_user(dep);
728 __device_add_user(dep, dev);
732 device_free(struct device *dev)
737 dev->type->free(dev);
742 __device_free_unused(struct device *dev)
744 if (!safe_list_empty(&dev->users) ||
745 !safe_list_empty(&dev->aliases) ||
746 dev->current_config || __devlock)
752 void device_remove_user(struct device_user *dep)
754 struct device *dev = dep->dev;
759 dep->hotplug = false;
763 safe_list_del(&dep->list);
765 D(DEVICE, "Remove user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
766 __device_free_unused(dev);
770 device_free_unused(struct device *dev)
775 return __device_free_unused(dev);
777 avl_for_each_element_safe(&devices, dev, avl, tmp)
778 __device_free_unused(dev);
782 device_init_pending(void)
784 struct device *dev, *tmp;
786 avl_for_each_element_safe(&devices, dev, avl, tmp) {
787 if (!dev->config_pending)
790 dev->type->config_init(dev);
791 dev->config_pending = false;
795 static enum dev_change_type
796 device_set_config(struct device *dev, struct device_type *type,
797 struct blob_attr *attr)
799 struct blob_attr *tb[__DEV_ATTR_MAX];
800 const struct uci_blob_param_list *cfg = type->config_params;
802 if (type != dev->type)
803 return DEV_CONFIG_RECREATE;
805 if (dev->type->reload)
806 return dev->type->reload(dev, attr);
808 if (uci_blob_check_equal(dev->config, attr, cfg))
809 return DEV_CONFIG_NO_CHANGE;
811 if (cfg == &device_attr_list) {
812 memset(tb, 0, sizeof(tb));
815 blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb,
816 blob_data(attr), blob_len(attr));
818 device_init_settings(dev, tb);
819 return DEV_CONFIG_RESTART;
821 return DEV_CONFIG_RECREATE;
825 device_apply_config(struct device *dev, struct device_type *type,
826 struct blob_attr *config)
828 enum dev_change_type change;
830 change = device_set_config(dev, type, config);
832 system_if_apply_settings(dev, &dev->settings, dev->settings.flags);
833 change = DEV_CONFIG_APPLIED;
837 case DEV_CONFIG_RESTART:
838 case DEV_CONFIG_APPLIED:
839 D(DEVICE, "Device '%s': config applied\n", dev->ifname);
840 config = blob_memdup(config);
842 dev->config = config;
843 if (change == DEV_CONFIG_RESTART && dev->present) {
846 device_set_present(dev, false);
847 if (dev->active && !dev->external) {
848 ret = dev->set_state(dev, false);
850 ret = dev->set_state(dev, true);
853 device_set_present(dev, true);
856 case DEV_CONFIG_NO_CHANGE:
857 D(DEVICE, "Device '%s': no configuration change\n", dev->ifname);
859 case DEV_CONFIG_RECREATE:
867 device_replace(struct device *dev, struct device *odev)
869 struct device_user *dep, *tmp;
873 device_set_present(odev, false);
875 list_for_each_entry_safe(dep, tmp, &odev->users.list, list.list) {
877 safe_list_del(&dep->list);
878 __device_add_user(dep, dev);
886 device_reset_config(void)
890 avl_for_each_element(&devices, dev, avl)
891 dev->current_config = false;
895 device_reset_old(void)
897 struct device *dev, *tmp, *ndev;
899 avl_for_each_element_safe(&devices, dev, avl, tmp) {
900 if (dev->current_config || dev->default_config)
903 if (dev->type != &simple_device_type)
906 ndev = device_create_default(dev->ifname, dev->external);
910 device_replace(ndev, dev);
915 device_set_default_ps(bool state)
919 if (state == default_ps)
924 avl_for_each_element(&devices, dev, avl) {
925 struct device_settings *s = &dev->settings;
926 unsigned int apply_mask = 0;
928 if (!(s->flags & DEV_OPT_RPS)) {
930 apply_mask |= DEV_OPT_RPS;
933 if (!(s->flags & DEV_OPT_XPS)) {
935 apply_mask |= DEV_OPT_XPS;
941 if (!(dev->external || (dev->present && dev->active)) ||
945 system_if_apply_settings(dev, s, apply_mask);
950 device_create(const char *name, struct device_type *type,
951 struct blob_attr *config)
953 struct device *odev = NULL, *dev;
954 enum dev_change_type change;
956 odev = device_find(name);
958 odev->current_config = true;
959 change = device_apply_config(odev, type, config);
961 case DEV_CONFIG_RECREATE:
962 D(DEVICE, "Device '%s': recreate device\n", odev->ifname);
969 D(DEVICE, "Create new device '%s' (%s)\n", name, type->name);
971 config = blob_memdup(config);
975 dev = type->create(name, type, config);
979 dev->current_config = true;
980 dev->config = config;
982 device_replace(dev, odev);
984 if (!config_init && dev->config_pending) {
985 type->config_init(dev);
986 dev->config_pending = false;
993 device_dump_status(struct blob_buf *b, struct device *dev)
995 struct device_settings st;
999 avl_for_each_element(&devices, dev, avl) {
1002 c = blobmsg_open_table(b, dev->ifname);
1003 device_dump_status(b, dev);
1004 blobmsg_close_table(b, c);
1010 blobmsg_add_u8(b, "external", dev->external);
1011 blobmsg_add_u8(b, "present", dev->present);
1012 blobmsg_add_string(b, "type", dev->type->name);
1017 blobmsg_add_u8(b, "up", !!dev->active);
1018 blobmsg_add_u8(b, "carrier", !!dev->link_active);
1020 if (dev->type->dump_info)
1021 dev->type->dump_info(dev, b);
1023 system_if_dump_info(dev, b);
1026 device_merge_settings(dev, &st);
1027 if (st.flags & DEV_OPT_MTU)
1028 blobmsg_add_u32(b, "mtu", st.mtu);
1029 if (st.flags & DEV_OPT_MTU6)
1030 blobmsg_add_u32(b, "mtu6", st.mtu6);
1031 if (st.flags & DEV_OPT_MACADDR)
1032 blobmsg_add_string(b, "macaddr", format_macaddr(st.macaddr));
1033 if (st.flags & DEV_OPT_TXQUEUELEN)
1034 blobmsg_add_u32(b, "txqueuelen", st.txqueuelen);
1035 if (st.flags & DEV_OPT_IPV6)
1036 blobmsg_add_u8(b, "ipv6", st.ipv6);
1037 if (st.flags & DEV_OPT_PROMISC)
1038 blobmsg_add_u8(b, "promisc", st.promisc);
1039 if (st.flags & DEV_OPT_RPFILTER)
1040 blobmsg_add_u32(b, "rpfilter", st.rpfilter);
1041 if (st.flags & DEV_OPT_ACCEPTLOCAL)
1042 blobmsg_add_u8(b, "acceptlocal", st.acceptlocal);
1043 if (st.flags & DEV_OPT_IGMPVERSION)
1044 blobmsg_add_u32(b, "igmpversion", st.igmpversion);
1045 if (st.flags & DEV_OPT_MLDVERSION)
1046 blobmsg_add_u32(b, "mldversion", st.mldversion);
1047 if (st.flags & DEV_OPT_NEIGHREACHABLETIME) {
1048 blobmsg_add_u32(b, "neigh4reachabletime", st.neigh4reachabletime);
1049 blobmsg_add_u32(b, "neigh6reachabletime", st.neigh6reachabletime);
1051 if (st.flags & DEV_OPT_NEIGHGCSTALETIME) {
1052 blobmsg_add_u32(b, "neigh4gcstaletime", st.neigh4gcstaletime);
1053 blobmsg_add_u32(b, "neigh6gcstaletime", st.neigh6gcstaletime);
1055 if (st.flags & DEV_OPT_NEIGHLOCKTIME)
1056 blobmsg_add_u32(b, "neigh4locktime", st.neigh4locktime);
1057 if (st.flags & DEV_OPT_DADTRANSMITS)
1058 blobmsg_add_u32(b, "dadtransmits", st.dadtransmits);
1059 if (st.flags & DEV_OPT_MULTICAST_TO_UNICAST)
1060 blobmsg_add_u8(b, "multicast_to_unicast", st.multicast_to_unicast);
1061 if (st.flags & DEV_OPT_MULTICAST_ROUTER)
1062 blobmsg_add_u32(b, "multicast_router", st.multicast_router);
1063 if (st.flags & DEV_OPT_MULTICAST_FAST_LEAVE)
1064 blobmsg_add_u8(b, "multicast_fast_leave", st.multicast_fast_leave);
1065 if (st.flags & DEV_OPT_MULTICAST)
1066 blobmsg_add_u8(b, "multicast", st.multicast);
1067 if (st.flags & DEV_OPT_LEARNING)
1068 blobmsg_add_u8(b, "learning", st.learning);
1069 if (st.flags & DEV_OPT_UNICAST_FLOOD)
1070 blobmsg_add_u8(b, "unicast_flood", st.unicast_flood);
1071 if (st.flags & DEV_OPT_SENDREDIRECTS)
1072 blobmsg_add_u8(b, "sendredirects", st.sendredirects);
1075 s = blobmsg_open_table(b, "statistics");
1076 if (dev->type->dump_stats)
1077 dev->type->dump_stats(dev, b);
1079 system_if_dump_stats(dev, b);
1080 blobmsg_close_table(b, s);
1083 static void __init simple_device_type_init(void)
1085 device_type_add(&simple_device_type);