2 * netifd - network interface daemon
3 * Copyright (C) 2013 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.
20 #define WIRELESS_SETUP_RETRY 3
22 struct vlist_tree wireless_devices;
23 struct avl_tree wireless_drivers;
24 static struct blob_buf b;
27 static const struct blobmsg_policy wdev_policy =
28 { .name = "disabled", .type = BLOBMSG_TYPE_BOOL };
30 static const struct uci_blob_param_list wdev_param = {
32 .params = &wdev_policy,
41 static const struct blobmsg_policy vif_policy[__VIF_ATTR_MAX] = {
42 [VIF_ATTR_DISABLED] = { .name = "disabled", .type = BLOBMSG_TYPE_BOOL },
43 [VIF_ATTR_NETWORK] = { .name = "network", .type = BLOBMSG_TYPE_STRING },
46 static const struct uci_blob_param_list vif_param = {
47 .n_params = ARRAY_SIZE(vif_policy),
52 put_container(struct blob_buf *buf, struct blob_attr *attr, const char *name)
54 void *c = blobmsg_open_table(&b, name);
55 blob_put_raw(&b, blob_data(attr), blob_len(attr));
56 blobmsg_close_table(&b, c);
60 vif_config_add_bridge(struct blob_buf *buf, const char *network, bool prepare)
62 struct interface *iface;
68 iface = vlist_find(&interfaces, network, iface, node);
72 dev = iface->main_dev.dev;
76 if (dev->type != &bridge_device_type)
79 if (dev->hotplug_ops && dev->hotplug_ops->prepare)
80 dev->hotplug_ops->prepare(dev);
82 blobmsg_add_string(buf, "bridge", dev->ifname);
86 prepare_config(struct wireless_device *wdev, struct blob_buf *buf, bool up)
88 struct wireless_interface *vif;
92 put_container(&b, wdev->config, "config");
94 blobmsg_add_blob(&b, wdev->data);
96 l = blobmsg_open_table(&b, "interfaces");
97 vlist_for_each_element(&wdev->interfaces, vif, node) {
98 i = blobmsg_open_table(&b, vif->name);
99 vif_config_add_bridge(&b, vif->network, up);
100 put_container(&b, vif->config, "config");
102 blobmsg_add_blob(&b, vif->data);
103 blobmsg_close_table(&b, i);
105 blobmsg_close_table(&b, l);
109 wireless_process_check(struct wireless_process *proc)
111 return check_pid_path(proc->pid, proc->exe);
115 wireless_complete_kill_request(struct wireless_device *wdev)
117 if (!wdev->kill_request)
120 ubus_complete_deferred_request(ubus_ctx, wdev->kill_request, 0);
121 free(wdev->kill_request);
122 wdev->kill_request = NULL;
126 wireless_process_free(struct wireless_device *wdev, struct wireless_process *proc)
128 D(WIRELESS, "Wireless device '%s' free pid %d\n", wdev->name, proc->pid);
129 list_del(&proc->list);
132 if (list_empty(&wdev->script_proc))
133 wireless_complete_kill_request(wdev);
137 wireless_close_script_proc_fd(struct wireless_device *wdev)
139 if (wdev->script_proc_fd.fd < 0)
142 uloop_fd_delete(&wdev->script_proc_fd);
143 close(wdev->script_proc_fd.fd);
144 wdev->script_proc_fd.fd = -1;
148 wireless_process_kill_all(struct wireless_device *wdev, int signal, bool free)
150 struct wireless_process *proc, *tmp;
152 list_for_each_entry_safe(proc, tmp, &wdev->script_proc, list) {
153 bool check = wireless_process_check(proc);
156 D(WIRELESS, "Wireless device '%s' kill pid %d\n", wdev->name, proc->pid);
157 kill(proc->pid, signal);
161 wireless_process_free(wdev, proc);
165 wireless_close_script_proc_fd(wdev);
169 wireless_device_free_state(struct wireless_device *wdev)
171 struct wireless_interface *vif;
173 uloop_timeout_cancel(&wdev->timeout);
174 wireless_complete_kill_request(wdev);
177 vlist_for_each_element(&wdev->interfaces, vif, node) {
184 static void wireless_interface_handle_link(struct wireless_interface *vif, bool up)
186 struct interface *iface;
188 if (!vif->network || !vif->ifname)
191 iface = vlist_find(&interfaces, vif->network, iface, node);
195 interface_handle_link(iface, vif->ifname, up);
199 wireless_device_setup_cancel(struct wireless_device *wdev)
204 D(WIRELESS, "Cancel wireless device '%s' setup\n", wdev->name);
206 uloop_timeout_set(&wdev->timeout, 10 * 1000);
210 wireless_device_run_handler(struct wireless_device *wdev, bool up)
212 const char *action = up ? "setup" : "teardown";
216 int fds[2] = { -1, -1 };
218 D(WIRELESS, "Wireless device '%s' run %s handler\n", wdev->name, action);
219 prepare_config(wdev, &b, up);
220 config = blobmsg_format_json(b.head, true);
222 argv[i++] = wdev->drv->script;
223 argv[i++] = wdev->drv->name;
225 argv[i++] = wdev->name;
229 if (up && pipe(fds) == 0) {
230 wdev->script_proc_fd.fd = fds[0];
231 uloop_fd_add(&wdev->script_proc_fd,
232 ULOOP_READ | ULOOP_EDGE_TRIGGER);
235 netifd_start_process(argv, NULL, &wdev->script_task);
244 __wireless_device_set_up(struct wireless_device *wdev)
246 if (wdev->state != IFS_DOWN || config_init)
249 wdev->state = IFS_SETUP;
250 wireless_device_run_handler(wdev, true);
254 wireless_device_free(struct wireless_device *wdev)
256 vlist_flush_all(&wdev->interfaces);
262 wdev_handle_config_change(struct wireless_device *wdev)
264 enum interface_config_state state = wdev->config_state;
266 wdev->config_state = IFC_NORMAL;
271 __wireless_device_set_up(wdev);
274 wireless_device_free(wdev);
280 wireless_device_mark_down(struct wireless_device *wdev)
282 struct wireless_interface *vif;
284 D(WIRELESS, "Wireless device '%s' is now down\n", wdev->name);
286 vlist_for_each_element(&wdev->interfaces, vif, node)
287 wireless_interface_handle_link(vif, false);
289 wireless_process_kill_all(wdev, SIGTERM, true);
291 wdev->cancel = false;
292 wdev->state = IFS_DOWN;
293 wireless_device_free_state(wdev);
294 wdev_handle_config_change(wdev);
298 wireless_device_mark_up(struct wireless_device *wdev)
300 struct wireless_interface *vif;
302 D(WIRELESS, "Wireless device '%s' is now up\n", wdev->name);
303 wdev->state = IFS_UP;
304 vlist_for_each_element(&wdev->interfaces, vif, node)
305 wireless_interface_handle_link(vif, true);
309 wireless_device_setup_timeout(struct uloop_timeout *timeout)
311 struct wireless_device *wdev = container_of(timeout, struct wireless_device, timeout);
313 netifd_kill_process(&wdev->script_task);
314 wdev->script_task.cb(&wdev->script_task, -1);
315 wireless_device_mark_down(wdev);
319 wireless_device_set_up(struct wireless_device *wdev)
321 wdev->retry = WIRELESS_SETUP_RETRY;
322 wdev->autostart = true;
323 __wireless_device_set_up(wdev);
327 __wireless_device_set_down(struct wireless_device *wdev)
329 if (wdev->state == IFS_TEARDOWN || wdev->state == IFS_DOWN)
332 if (wdev->script_task.uloop.pending) {
333 wireless_device_setup_cancel(wdev);
337 wdev->state = IFS_TEARDOWN;
338 wireless_device_run_handler(wdev, false);
342 wireless_device_retry_setup(struct wireless_device *wdev)
344 if (wdev->state == IFS_TEARDOWN || wdev->state == IFS_DOWN || wdev->cancel)
347 if (--wdev->retry < 0)
348 wdev->autostart = false;
350 __wireless_device_set_down(wdev);
354 wireless_device_script_task_cb(struct netifd_process *proc, int ret)
356 struct wireless_device *wdev = container_of(proc, struct wireless_device, script_task);
358 switch (wdev->state) {
360 wireless_device_retry_setup(wdev);
363 wireless_device_mark_down(wdev);
371 wireless_device_set_down(struct wireless_device *wdev)
373 wdev->autostart = false;
374 __wireless_device_set_down(wdev);
378 wdev_set_config_state(struct wireless_device *wdev, enum interface_config_state s)
380 enum interface_config_state old_state = wdev->config_state;
382 wdev->config_state = s;
383 if (old_state != IFC_NORMAL)
386 if (wdev->state == IFS_DOWN)
387 wdev_handle_config_change(wdev);
389 __wireless_device_set_down(wdev);
393 wdev_change_config(struct wireless_device *wdev, struct wireless_device *wd_new)
395 struct blob_attr *new_config = wd_new->config;
399 if (blob_attr_equal(wdev->config, new_config))
402 D(WIRELESS, "Update configuration of wireless device '%s'\n", wdev->name);
404 wdev->config = blob_memdup(new_config);
405 wdev_set_config_state(wdev, IFC_RELOAD);
409 wdev_create(struct wireless_device *wdev)
411 wdev->retry = WIRELESS_SETUP_RETRY;
412 wdev->config = blob_memdup(wdev->config);
416 wdev_update(struct vlist_tree *tree, struct vlist_node *node_new,
417 struct vlist_node *node_old)
419 struct wireless_device *wd_old = container_of(node_old, struct wireless_device, node);
420 struct wireless_device *wd_new = container_of(node_new, struct wireless_device, node);
422 if (wd_old && wd_new) {
423 wdev_change_config(wd_old, wd_new);
425 D(WIRELESS, "Delete wireless device '%s'\n", wd_old->name);
426 wdev_set_config_state(wd_old, IFC_REMOVE);
428 D(WIRELESS, "Create wireless device '%s'\n", wd_new->name);
434 wireless_add_handler(const char *script, const char *name, json_object *obj)
436 struct wireless_driver *drv;
437 char *name_str, *script_str;
438 json_object *dev_config_obj, *iface_config_obj;
439 struct uci_blob_param_list *dev_config, *iface_config;
441 dev_config_obj = json_get_field(obj, "device", json_type_array);
442 iface_config_obj = json_get_field(obj, "iface", json_type_array);
444 if (!dev_config_obj || !iface_config_obj)
447 drv = calloc_a(sizeof(*drv),
448 &name_str, strlen(name) + 1,
449 &script_str, strlen(script) + 1,
450 &dev_config, sizeof(*dev_config) + sizeof(void *),
451 &iface_config, sizeof(*iface_config) + sizeof(void *));
453 drv->name = strcpy(name_str, name);
454 drv->script = strcpy(script_str, script);
456 dev_config->n_next = 1;
457 dev_config->next[0] = &wdev_param;
458 drv->device.config = dev_config;
460 iface_config->n_next = 1;
461 iface_config->next[0] = &vif_param;
462 drv->interface.config = iface_config;
464 drv->device.buf = netifd_handler_parse_config(drv->device.config, dev_config_obj);
465 drv->interface.buf = netifd_handler_parse_config(drv->interface.config, iface_config_obj);
467 drv->node.key = drv->name;
468 avl_insert(&wireless_drivers, &drv->node);
469 D(WIRELESS, "Add handler for script %s: %s\n", script, name);
473 wireless_init_list(void)
475 vlist_init(&wireless_devices, avl_strcmp, wdev_update);
476 wireless_devices.keep_old = true;
477 wireless_devices.no_delete = true;
479 avl_init(&wireless_drivers, avl_strcmp, false, NULL);
480 drv_fd = netifd_open_subdir("wireless");
484 netifd_init_script_handlers(drv_fd, wireless_add_handler);
488 wireless_interface_init_config(struct wireless_interface *vif)
490 struct blob_attr *tb[__VIF_ATTR_MAX];
491 struct blob_attr *cur;
494 blobmsg_parse(vif_policy, __VIF_ATTR_MAX, tb, blob_data(vif->config), blob_len(vif->config));
496 if ((cur = tb[VIF_ATTR_NETWORK]))
497 vif->network = blobmsg_data(cur);
501 vif_update(struct vlist_tree *tree, struct vlist_node *node_new,
502 struct vlist_node *node_old)
504 struct wireless_interface *vif_old = container_of(node_old, struct wireless_interface, node);
505 struct wireless_interface *vif_new = container_of(node_new, struct wireless_interface, node);
506 struct wireless_device *wdev;
509 wdev = vif_old->wdev;
511 wdev = vif_new->wdev;
513 if (vif_old && vif_new) {
514 vif_old->section = vif_new->section;
515 if (blob_attr_equal(vif_old->config, vif_new->config)) {
520 D(WIRELESS, "Update wireless interface %s on device %s\n", vif_new->name, wdev->name);
521 free(vif_old->config);
522 vif_old->config = blob_memdup(vif_new->config);
523 wireless_interface_init_config(vif_old);
525 } else if (vif_new) {
526 D(WIRELESS, "Create new wireless interface %s on device %s\n", vif_new->name, wdev->name);
527 vif_new->config = blob_memdup(vif_new->config);
528 wireless_interface_init_config(vif_new);
529 } else if (vif_old) {
530 D(WIRELESS, "Delete wireless interface %s on device %s\n", vif_old->name, wdev->name);
531 free(vif_old->config);
535 wdev_set_config_state(wdev, IFC_RELOAD);
539 wireless_proc_poll_fd(struct uloop_fd *fd, unsigned int events)
541 struct wireless_device *wdev = container_of(fd, struct wireless_device, script_proc_fd);
545 int b = read(fd->fd, buf, sizeof(buf));
561 uloop_timeout_set(&wdev->script_check, 0);
562 wireless_close_script_proc_fd(wdev);
566 wireless_device_check_script_tasks(struct uloop_timeout *timeout)
568 struct wireless_device *wdev = container_of(timeout, struct wireless_device, script_check);
569 struct wireless_process *proc, *tmp;
570 bool restart = false;
572 list_for_each_entry_safe(proc, tmp, &wdev->script_proc, list) {
573 if (wireless_process_check(proc))
576 D(WIRELESS, "Wireless device '%s' pid %d has terminated\n", wdev->name, proc->pid);
580 wireless_process_free(wdev, proc);
584 wireless_device_retry_setup(wdev);
586 uloop_timeout_set(&wdev->script_check, 1000);
590 wireless_device_create(struct wireless_driver *drv, const char *name, struct blob_attr *data)
592 struct wireless_device *wdev;
594 struct blob_attr *disabled;
596 blobmsg_parse(&wdev_policy, 1, &disabled, blob_data(data), blob_len(data));
597 if (disabled && blobmsg_get_bool(disabled))
600 wdev = calloc_a(sizeof(*wdev), &name_buf, strlen(name) + 1);
602 wdev->state = IFS_DOWN;
603 wdev->config_state = IFC_NORMAL;
604 wdev->name = strcpy(name_buf, name);
606 wdev->config_autostart = true;
607 wdev->autostart = wdev->config_autostart;
608 INIT_LIST_HEAD(&wdev->script_proc);
609 vlist_init(&wdev->interfaces, avl_strcmp, vif_update);
610 wdev->interfaces.keep_old = true;
611 wdev->interfaces.no_delete = true;
612 vlist_add(&wireless_devices, &wdev->node, wdev->name);
614 wdev->timeout.cb = wireless_device_setup_timeout;
615 wdev->script_task.cb = wireless_device_script_task_cb;
616 wdev->script_task.dir_fd = drv_fd;
617 wdev->script_task.log_prefix = wdev->name;
619 wdev->script_proc_fd.fd = -1;
620 wdev->script_proc_fd.cb = wireless_proc_poll_fd;
622 wdev->script_check.cb = wireless_device_check_script_tasks;
625 void wireless_interface_create(struct wireless_device *wdev, struct blob_attr *data, const char *section)
627 struct wireless_interface *vif;
628 struct blob_attr *tb[__VIF_ATTR_MAX];
629 struct blob_attr *cur;
633 blobmsg_parse(vif_policy, __VIF_ATTR_MAX, tb, blob_data(data), blob_len(data));
635 cur = tb[VIF_ATTR_DISABLED];
636 if (cur && blobmsg_get_bool(cur))
639 sprintf(name, "%d", wdev->vif_idx++);
641 vif = calloc_a(sizeof(*vif), &name_buf, strlen(name) + 1);
642 vif->name = strcpy(name_buf, name);
645 vif->section = section;
646 vlist_add(&wdev->interfaces, &vif->node, vif->name);
650 wireless_interface_status(struct wireless_interface *iface, struct blob_buf *b)
654 i = blobmsg_open_table(b, iface->name);
656 blobmsg_add_string(b, "section", iface->section);
658 blobmsg_add_string(b, "ifname", iface->ifname);
660 blob_put_raw(b, blob_data(iface->data), blob_len(iface->data));
661 blobmsg_close_table(b, i);
665 wireless_device_status(struct wireless_device *wdev, struct blob_buf *b)
667 struct wireless_interface *iface;
670 c = blobmsg_open_table(b, wdev->name);
671 blobmsg_add_u8(b, "up", wdev->state == IFS_UP);
672 blobmsg_add_u8(b, "pending", wdev->state == IFS_SETUP || wdev->state == IFS_TEARDOWN);
673 blobmsg_add_u8(b, "autostart", wdev->autostart);
674 i = blobmsg_open_table(b, "interfaces");
675 vlist_for_each_element(&wdev->interfaces, iface, node)
676 wireless_interface_status(iface, b);
677 blobmsg_close_table(b, i);
678 blobmsg_close_table(b, c);
682 wireless_interface_set_data(struct wireless_interface *vif)
688 static const struct blobmsg_policy data_policy[__VIF_DATA_MAX] = {
689 [VIF_DATA_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
691 struct blob_attr *tb[__VIF_DATA_MAX];
692 struct blob_attr *cur;
694 blobmsg_parse(data_policy, __VIF_DATA_MAX, tb,
695 blobmsg_data(vif->data), blobmsg_data_len(vif->data));
697 if ((cur = tb[VIF_DATA_IFNAME]))
698 vif->ifname = blobmsg_data(cur);
702 wireless_device_add_process(struct wireless_device *wdev, struct blob_attr *data)
710 static const struct blobmsg_policy proc_policy[__PROC_ATTR_MAX] = {
711 [PROC_ATTR_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
712 [PROC_ATTR_EXE] = { .name = "exe", .type = BLOBMSG_TYPE_STRING },
713 [PROC_ATTR_REQUIRED] = { .name = "required", .type = BLOBMSG_TYPE_BOOL },
715 struct blob_attr *tb[__PROC_ATTR_MAX];
716 struct wireless_process *proc;
721 return UBUS_STATUS_INVALID_ARGUMENT;
723 blobmsg_parse(proc_policy, __PROC_ATTR_MAX, tb, blobmsg_data(data), blobmsg_data_len(data));
724 if (!tb[PROC_ATTR_PID] || !tb[PROC_ATTR_EXE])
725 return UBUS_STATUS_INVALID_ARGUMENT;
727 pid = blobmsg_get_u32(tb[PROC_ATTR_PID]);
729 return UBUS_STATUS_INVALID_ARGUMENT;
731 proc = calloc_a(sizeof(*proc),
732 &name, strlen(blobmsg_data(tb[PROC_ATTR_EXE])) + 1);
735 proc->exe = strcpy(name, blobmsg_data(tb[PROC_ATTR_EXE]));
737 if (tb[PROC_ATTR_REQUIRED])
738 proc->required = blobmsg_get_bool(tb[PROC_ATTR_REQUIRED]);
740 D(WIRELESS, "Wireless device '%s' add pid %d\n", wdev->name, proc->pid);
741 list_add(&proc->list, &wdev->script_proc);
742 uloop_timeout_set(&wdev->script_check, 0);
748 wireless_device_process_kill_all(struct wireless_device *wdev, struct blob_attr *data,
749 struct ubus_request_data *req)
756 static const struct blobmsg_policy kill_policy[__KILL_ATTR_MAX] = {
757 [KILL_ATTR_SIGNAL] = { .name = "signal", .type = BLOBMSG_TYPE_INT32 },
758 [KILL_ATTR_IMMEDIATE] = { .name = "immediate", .type = BLOBMSG_TYPE_BOOL },
760 struct blob_attr *tb[__KILL_ATTR_MAX];
761 struct blob_attr *cur;
762 bool immediate = false;
763 int signal = SIGTERM;
765 blobmsg_parse(kill_policy, __KILL_ATTR_MAX, tb, blobmsg_data(data), blobmsg_data_len(data));
767 if ((cur = tb[KILL_ATTR_SIGNAL]))
768 signal = blobmsg_get_u32(cur);
770 if ((cur = tb[KILL_ATTR_IMMEDIATE]))
771 immediate = blobmsg_get_bool(cur);
773 if (wdev->state != IFS_TEARDOWN || wdev->kill_request)
774 return UBUS_STATUS_PERMISSION_DENIED;
776 wireless_process_kill_all(wdev, signal, immediate);
778 if (list_empty(&wdev->script_proc))
781 wdev->kill_request = calloc(1, sizeof(*wdev->kill_request));
782 ubus_defer_request(ubus_ctx, req, wdev->kill_request);
788 wireless_device_set_retry(struct wireless_device *wdev, struct blob_attr *data)
790 static const struct blobmsg_policy retry_policy = {
791 .name = "retry", .type = BLOBMSG_TYPE_INT32
793 struct blob_attr *val;
795 blobmsg_parse(&retry_policy, 1, &val, blobmsg_data(data), blobmsg_data_len(data));
797 return UBUS_STATUS_INVALID_ARGUMENT;
799 wdev->retry = blobmsg_get_u32(val);
805 NOTIFY_CMD_SET_DATA = 1,
806 NOTIFY_CMD_PROCESS_ADD = 2,
807 NOTIFY_CMD_PROCESS_KILL_ALL = 3,
808 NOTIFY_CMD_SET_RETRY = 4,
812 wireless_device_notify(struct wireless_device *wdev, struct blob_attr *data,
813 struct ubus_request_data *req)
821 static const struct blobmsg_policy notify_policy[__NOTIFY_MAX] = {
822 [NOTIFY_ATTR_COMMAND] = { .name = "command", .type = BLOBMSG_TYPE_INT32 },
823 [NOTIFY_ATTR_VIF] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
824 [NOTIFY_ATTR_DATA] = { .name = "data", .type = BLOBMSG_TYPE_TABLE },
826 struct wireless_interface *vif = NULL;
827 struct blob_attr *tb[__NOTIFY_MAX];
828 struct blob_attr *cur, **pdata;
830 blobmsg_parse(notify_policy, __NOTIFY_MAX, tb, blob_data(data), blob_len(data));
832 if (!tb[NOTIFY_ATTR_COMMAND])
833 return UBUS_STATUS_INVALID_ARGUMENT;
835 if ((cur = tb[NOTIFY_ATTR_VIF]) != NULL) {
836 vif = vlist_find(&wdev->interfaces, blobmsg_data(cur), vif, node);
838 return UBUS_STATUS_NOT_FOUND;
841 cur = tb[NOTIFY_ATTR_DATA];
843 return UBUS_STATUS_INVALID_ARGUMENT;
845 switch (blobmsg_get_u32(tb[NOTIFY_ATTR_COMMAND])) {
848 return UBUS_STATUS_INVALID_ARGUMENT;
850 if (wdev->state != IFS_SETUP)
851 return UBUS_STATUS_PERMISSION_DENIED;
856 wireless_device_mark_up(wdev);
858 case NOTIFY_CMD_SET_DATA:
865 return UBUS_STATUS_INVALID_ARGUMENT;
867 *pdata = blob_memdup(cur);
869 wireless_interface_set_data(vif);
871 case NOTIFY_CMD_PROCESS_ADD:
872 return wireless_device_add_process(wdev, cur);
873 case NOTIFY_CMD_PROCESS_KILL_ALL:
874 return wireless_device_process_kill_all(wdev, cur, req);
875 case NOTIFY_CMD_SET_RETRY:
876 return wireless_device_set_retry(wdev, cur);
878 return UBUS_STATUS_INVALID_ARGUMENT;
885 wireless_start_pending(void)
887 struct wireless_device *wdev;
889 vlist_for_each_element(&wireless_devices, wdev, node)
891 __wireless_device_set_up(wdev);