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
},
63 const struct uci_blob_param_list device_attr_list
= {
64 .n_params
= __DEV_ATTR_MAX
,
68 static int __devlock
= 0;
70 int device_type_add(struct device_type
*devtype
)
72 if (device_type_get(devtype
->name
)) {
73 netifd_log_message(L_WARNING
, "Device handler '%s' already exists\n",
78 netifd_log_message(L_NOTICE
, "Added device handler type: %s\n",
81 list_add(&devtype
->list
, &devtypes
);
85 /* initialize device type list and add known types */
86 static void __init
devtypes_init(void)
88 device_type_add(&simple_device_type
);
89 device_type_add(&bridge_device_type
);
90 device_type_add(&tunnel_device_type
);
91 device_type_add(&macvlan_device_type
);
92 device_type_add(&vlandev_device_type
);
95 /* Retrieve the device type for the given name. If 'bridge' is true, the type
96 * must have bridge capabilities
99 device_type_get(const char *tname
)
101 struct device_type
*cur
;
103 list_for_each_entry(cur
, &devtypes
, list
)
104 if (!strcmp(cur
->name
, tname
))
110 void device_lock(void)
115 void device_unlock(void)
119 device_free_unused(NULL
);
122 static int set_device_state(struct device
*dev
, bool state
)
125 /* Get ifindex for all devices being enabled so a valid */
126 /* ifindex is in place avoiding possible race conditions */
127 device_set_ifindex(dev
, system_if_resolve(dev
));
140 simple_device_set_state(struct device
*dev
, bool state
)
145 pdev
= dev
->parent
.dev
;
146 if (state
&& !pdev
) {
147 pdev
= system_if_get_parent(dev
);
149 device_add_user(&dev
->parent
, pdev
);
154 ret
= device_claim(&dev
->parent
);
156 device_release(&dev
->parent
);
161 return set_device_state(dev
, state
);
164 static struct device
*
165 simple_device_create(const char *name
, struct device_type
*devtype
,
166 struct blob_attr
*attr
)
168 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
169 struct device
*dev
= NULL
;
171 /* device type is unused for simple devices */
174 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
, blob_data(attr
), blob_len(attr
));
175 dev
= device_get(name
, true);
179 dev
->set_state
= simple_device_set_state
;
180 device_init_settings(dev
, tb
);
185 static void simple_device_free(struct device
*dev
)
188 device_remove_user(&dev
->parent
);
192 struct device_type simple_device_type
= {
193 .name
= "Network device",
194 .config_params
= &device_attr_list
,
196 .create
= simple_device_create
,
197 .check_state
= system_if_check
,
198 .free
= simple_device_free
,
202 device_merge_settings(struct device
*dev
, struct device_settings
*n
)
204 struct device_settings
*os
= &dev
->orig_settings
;
205 struct device_settings
*s
= &dev
->settings
;
207 memset(n
, 0, sizeof(*n
));
208 n
->mtu
= s
->flags
& DEV_OPT_MTU
? s
->mtu
: os
->mtu
;
209 n
->mtu6
= s
->flags
& DEV_OPT_MTU6
? s
->mtu6
: os
->mtu6
;
210 n
->txqueuelen
= s
->flags
& DEV_OPT_TXQUEUELEN
?
211 s
->txqueuelen
: os
->txqueuelen
;
213 (s
->flags
& DEV_OPT_MACADDR
? s
->macaddr
: os
->macaddr
),
215 n
->ipv6
= s
->flags
& DEV_OPT_IPV6
? s
->ipv6
: os
->ipv6
;
216 n
->promisc
= s
->flags
& DEV_OPT_PROMISC
? s
->promisc
: os
->promisc
;
217 n
->rpfilter
= s
->flags
& DEV_OPT_RPFILTER
? s
->rpfilter
: os
->rpfilter
;
218 n
->acceptlocal
= s
->flags
& DEV_OPT_ACCEPTLOCAL
? s
->acceptlocal
: os
->acceptlocal
;
219 n
->igmpversion
= s
->flags
& DEV_OPT_IGMPVERSION
? s
->igmpversion
: os
->igmpversion
;
220 n
->mldversion
= s
->flags
& DEV_OPT_MLDVERSION
? s
->mldversion
: os
->mldversion
;
221 n
->neigh4reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
222 s
->neigh4reachabletime
: os
->neigh4reachabletime
;
223 n
->neigh6reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
224 s
->neigh6reachabletime
: os
->neigh6reachabletime
;
225 n
->neigh4gcstaletime
= s
->flags
& DEV_OPT_NEIGHGCSTALETIME
?
226 s
->neigh4gcstaletime
: os
->neigh4gcstaletime
;
227 n
->neigh6gcstaletime
= s
->flags
& DEV_OPT_NEIGHGCSTALETIME
?
228 s
->neigh6gcstaletime
: os
->neigh6gcstaletime
;
229 n
->dadtransmits
= s
->flags
& DEV_OPT_DADTRANSMITS
?
230 s
->dadtransmits
: os
->dadtransmits
;
231 n
->multicast
= s
->flags
& DEV_OPT_MULTICAST
?
232 s
->multicast
: os
->multicast
;
233 n
->multicast_to_unicast
= s
->multicast_to_unicast
;
234 n
->multicast_router
= s
->multicast_router
;
235 n
->multicast_fast_leave
= s
->multicast_fast_leave
;
236 n
->learning
= s
->learning
;
237 n
->unicast_flood
= s
->unicast_flood
;
238 n
->flags
= s
->flags
| os
->flags
| os
->valid_flags
;
242 device_init_settings(struct device
*dev
, struct blob_attr
**tb
)
244 struct device_settings
*s
= &dev
->settings
;
245 struct blob_attr
*cur
;
246 struct ether_addr
*ea
;
247 bool disabled
= false;
250 if ((cur
= tb
[DEV_ATTR_ENABLED
]))
251 disabled
= !blobmsg_get_bool(cur
);
253 if ((cur
= tb
[DEV_ATTR_MTU
])) {
254 s
->mtu
= blobmsg_get_u32(cur
);
255 s
->flags
|= DEV_OPT_MTU
;
258 if ((cur
= tb
[DEV_ATTR_MTU6
])) {
259 s
->mtu6
= blobmsg_get_u32(cur
);
260 s
->flags
|= DEV_OPT_MTU6
;
263 if ((cur
= tb
[DEV_ATTR_TXQUEUELEN
])) {
264 s
->txqueuelen
= blobmsg_get_u32(cur
);
265 s
->flags
|= DEV_OPT_TXQUEUELEN
;
268 if ((cur
= tb
[DEV_ATTR_MACADDR
])) {
269 ea
= ether_aton(blobmsg_data(cur
));
271 memcpy(s
->macaddr
, ea
, 6);
272 s
->flags
|= DEV_OPT_MACADDR
;
276 if ((cur
= tb
[DEV_ATTR_IPV6
])) {
277 s
->ipv6
= blobmsg_get_bool(cur
);
278 s
->flags
|= DEV_OPT_IPV6
;
281 if ((cur
= tb
[DEV_ATTR_PROMISC
])) {
282 s
->promisc
= blobmsg_get_bool(cur
);
283 s
->flags
|= DEV_OPT_PROMISC
;
286 if ((cur
= tb
[DEV_ATTR_RPFILTER
])) {
287 if (system_resolve_rpfilter(blobmsg_data(cur
), &s
->rpfilter
))
288 s
->flags
|= DEV_OPT_RPFILTER
;
290 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur
));
293 if ((cur
= tb
[DEV_ATTR_ACCEPTLOCAL
])) {
294 s
->acceptlocal
= blobmsg_get_bool(cur
);
295 s
->flags
|= DEV_OPT_ACCEPTLOCAL
;
298 if ((cur
= tb
[DEV_ATTR_IGMPVERSION
])) {
299 s
->igmpversion
= blobmsg_get_u32(cur
);
300 if (s
->igmpversion
>= 1 && s
->igmpversion
<= 3)
301 s
->flags
|= DEV_OPT_IGMPVERSION
;
303 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur
));
306 if ((cur
= tb
[DEV_ATTR_MLDVERSION
])) {
307 s
->mldversion
= blobmsg_get_u32(cur
);
308 if (s
->mldversion
>= 1 && s
->mldversion
<= 2)
309 s
->flags
|= DEV_OPT_MLDVERSION
;
311 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur
));
314 if ((cur
= tb
[DEV_ATTR_NEIGHREACHABLETIME
])) {
315 s
->neigh6reachabletime
= s
->neigh4reachabletime
= blobmsg_get_u32(cur
);
316 s
->flags
|= DEV_OPT_NEIGHREACHABLETIME
;
319 if ((cur
= tb
[DEV_ATTR_NEIGHGCSTALETIME
])) {
320 s
->neigh6gcstaletime
= s
->neigh4gcstaletime
= blobmsg_get_u32(cur
);
321 s
->flags
|= DEV_OPT_NEIGHGCSTALETIME
;
324 if ((cur
= tb
[DEV_ATTR_RPS
])) {
325 s
->rps
= blobmsg_get_bool(cur
);
326 s
->flags
|= DEV_OPT_RPS
;
331 if ((cur
= tb
[DEV_ATTR_XPS
])) {
332 s
->xps
= blobmsg_get_bool(cur
);
333 s
->flags
|= DEV_OPT_XPS
;
338 if ((cur
= tb
[DEV_ATTR_DADTRANSMITS
])) {
339 s
->dadtransmits
= blobmsg_get_u32(cur
);
340 s
->flags
|= DEV_OPT_DADTRANSMITS
;
343 if ((cur
= tb
[DEV_ATTR_MULTICAST_TO_UNICAST
])) {
344 s
->multicast_to_unicast
= blobmsg_get_bool(cur
);
345 s
->flags
|= DEV_OPT_MULTICAST_TO_UNICAST
;
348 if ((cur
= tb
[DEV_ATTR_MULTICAST_ROUTER
])) {
349 s
->multicast_router
= blobmsg_get_u32(cur
);
350 if (s
->multicast_router
<= 2)
351 s
->flags
|= DEV_OPT_MULTICAST_ROUTER
;
353 DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur
));
356 if ((cur
= tb
[DEV_ATTR_MULTICAST_FAST_LEAVE
])) {
357 s
->multicast_fast_leave
= blobmsg_get_bool(cur
);
358 s
->flags
|= DEV_OPT_MULTICAST_FAST_LEAVE
;
361 if ((cur
= tb
[DEV_ATTR_MULTICAST
])) {
362 s
->multicast
= blobmsg_get_bool(cur
);
363 s
->flags
|= DEV_OPT_MULTICAST
;
366 if ((cur
= tb
[DEV_ATTR_LEARNING
])) {
367 s
->learning
= blobmsg_get_bool(cur
);
368 s
->flags
|= DEV_OPT_LEARNING
;
371 if ((cur
= tb
[DEV_ATTR_UNICAST_FLOOD
])) {
372 s
->unicast_flood
= blobmsg_get_bool(cur
);
373 s
->flags
|= DEV_OPT_UNICAST_FLOOD
;
376 device_set_disabled(dev
, disabled
);
379 static void __init
dev_init(void)
381 avl_init(&devices
, avl_strcmp
, true, NULL
);
384 static int device_broadcast_cb(void *ctx
, struct safe_list
*list
)
386 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
389 /* device might have been removed by an earlier callback */
398 void device_broadcast_event(struct device
*dev
, enum device_event ev
)
402 safe_list_for_each(&dev
->aliases
, device_broadcast_cb
, &dev_ev
);
403 safe_list_for_each(&dev
->users
, device_broadcast_cb
, &dev_ev
);
406 int device_claim(struct device_user
*dep
)
408 struct device
*dev
= dep
->dev
;
418 D(DEVICE
, "Claim %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
+ 1);
419 if (++dev
->active
!= 1)
422 device_broadcast_event(dev
, DEV_EVENT_SETUP
);
424 /* Get ifindex for external claimed devices so a valid */
425 /* ifindex is in place avoiding possible race conditions */
426 device_set_ifindex(dev
, system_if_resolve(dev
));
430 system_if_get_settings(dev
, &dev
->orig_settings
);
432 ret
= dev
->set_state(dev
, true);
435 device_broadcast_event(dev
, DEV_EVENT_UP
);
437 D(DEVICE
, "claim %s %s failed: %d\n", dev
->type
->name
, dev
->ifname
, ret
);
439 dep
->claimed
= false;
445 void device_release(struct device_user
*dep
)
447 struct device
*dev
= dep
->dev
;
452 dep
->claimed
= false;
454 D(DEVICE
, "Release %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
);
455 assert(dev
->active
>= 0);
460 device_broadcast_event(dev
, DEV_EVENT_TEARDOWN
);
462 dev
->set_state(dev
, false);
463 device_broadcast_event(dev
, DEV_EVENT_DOWN
);
466 int device_check_state(struct device
*dev
)
468 if (!dev
->type
->check_state
)
469 return simple_device_type
.check_state(dev
);
471 return dev
->type
->check_state(dev
);
474 void device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
)
479 D(DEVICE
, "Initialize device '%s'\n", name
? name
: "");
480 INIT_SAFE_LIST(&dev
->users
);
481 INIT_SAFE_LIST(&dev
->aliases
);
485 device_set_ifname(dev
, name
);
488 dev
->set_state
= set_device_state
;
491 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
)
495 device_init_virtual(dev
, type
, ifname
);
497 dev
->avl
.key
= dev
->ifname
;
499 ret
= avl_insert(&devices
, &dev
->avl
);
503 system_if_clear_state(dev
);
504 device_check_state(dev
);
505 dev
->settings
.rps
= default_ps
;
506 dev
->settings
.xps
= default_ps
;
511 static struct device
*
512 device_create_default(const char *name
, bool external
)
516 if (!external
&& system_if_force_external(name
))
519 D(DEVICE
, "Create simple device '%s'\n", name
);
520 dev
= calloc(1, sizeof(*dev
));
524 dev
->external
= external
;
525 dev
->set_state
= simple_device_set_state
;
526 device_init(dev
, &simple_device_type
, name
);
527 dev
->default_config
= true;
529 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
534 device_find(const char *name
)
538 return avl_find_element(&devices
, name
, dev
, avl
);
542 device_get(const char *name
, int create
)
546 if (strchr(name
, '.'))
547 return get_vlan_device_chain(name
, create
);
550 return device_alias_get(name
+ 1);
552 dev
= avl_find_element(&devices
, name
, dev
, avl
);
554 if (create
> 1 && !dev
->external
) {
555 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
556 dev
->external
= true;
557 device_set_present(dev
, true);
565 return device_create_default(name
, create
> 1);
569 device_delete(struct device
*dev
)
574 D(DEVICE
, "Delete device '%s' from list\n", dev
->ifname
);
575 avl_delete(&devices
, &dev
->avl
);
579 static int device_cleanup_cb(void *ctx
, struct safe_list
*list
)
581 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
583 dep
->cb(dep
, DEV_EVENT_REMOVE
);
589 void device_cleanup(struct device
*dev
)
591 D(DEVICE
, "Clean up device '%s'\n", dev
->ifname
);
592 safe_list_for_each(&dev
->users
, device_cleanup_cb
, NULL
);
593 safe_list_for_each(&dev
->aliases
, device_cleanup_cb
, NULL
);
597 static void __device_set_present(struct device
*dev
, bool state
)
599 if (dev
->present
== state
)
602 dev
->present
= state
;
603 device_broadcast_event(dev
, state
? DEV_EVENT_ADD
: DEV_EVENT_REMOVE
);
607 device_refresh_present(struct device
*dev
)
609 bool state
= dev
->sys_present
;
611 if (dev
->disabled
|| dev
->deferred
)
614 __device_set_present(dev
, state
);
617 void device_set_present(struct device
*dev
, bool state
)
619 if (dev
->sys_present
== state
)
622 D(DEVICE
, "%s '%s' %s present\n", dev
->type
->name
, dev
->ifname
, state
? "is now" : "is no longer" );
623 dev
->sys_present
= state
;
624 device_refresh_present(dev
);
627 void device_set_link(struct device
*dev
, bool state
)
629 if (dev
->link_active
== state
)
632 netifd_log_message(L_NOTICE
, "%s '%s' link is %s\n", dev
->type
->name
, dev
->ifname
, state
? "up" : "down" );
634 dev
->link_active
= state
;
635 device_broadcast_event(dev
, state
? DEV_EVENT_LINK_UP
: DEV_EVENT_LINK_DOWN
);
638 void device_set_ifindex(struct device
*dev
, int ifindex
)
640 if (dev
->ifindex
== ifindex
)
643 dev
->ifindex
= ifindex
;
644 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFINDEX
);
647 int device_set_ifname(struct device
*dev
, const char *name
)
651 if (!strcmp(dev
->ifname
, name
))
655 avl_delete(&devices
, &dev
->avl
);
657 strncpy(dev
->ifname
, name
, IFNAMSIZ
);
660 ret
= avl_insert(&devices
, &dev
->avl
);
663 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFNAME
);
668 static int device_refcount(struct device
*dev
)
670 struct list_head
*list
;
673 list_for_each(list
, &dev
->users
.list
)
676 list_for_each(list
, &dev
->aliases
.list
)
683 __device_add_user(struct device_user
*dep
, struct device
*dev
)
685 struct safe_list
*head
;
690 head
= &dev
->aliases
;
694 safe_list_add(&dep
->list
, head
);
695 D(DEVICE
, "Add user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
697 if (dep
->cb
&& dev
->present
) {
698 dep
->cb(dep
, DEV_EVENT_ADD
);
700 dep
->cb(dep
, DEV_EVENT_UP
);
702 if (dev
->link_active
)
703 dep
->cb(dep
, DEV_EVENT_LINK_UP
);
707 void device_add_user(struct device_user
*dep
, struct device
*dev
)
713 device_remove_user(dep
);
718 __device_add_user(dep
, dev
);
722 device_free(struct device
*dev
)
727 dev
->type
->free(dev
);
732 __device_free_unused(struct device
*dev
)
734 if (!safe_list_empty(&dev
->users
) ||
735 !safe_list_empty(&dev
->aliases
) ||
736 dev
->current_config
|| __devlock
)
742 void device_remove_user(struct device_user
*dep
)
744 struct device
*dev
= dep
->dev
;
749 dep
->hotplug
= false;
753 safe_list_del(&dep
->list
);
755 D(DEVICE
, "Remove user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
756 __device_free_unused(dev
);
760 device_free_unused(struct device
*dev
)
765 return __device_free_unused(dev
);
767 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
)
768 __device_free_unused(dev
);
772 device_init_pending(void)
774 struct device
*dev
, *tmp
;
776 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
777 if (!dev
->config_pending
)
780 dev
->type
->config_init(dev
);
781 dev
->config_pending
= false;
785 static enum dev_change_type
786 device_set_config(struct device
*dev
, struct device_type
*type
,
787 struct blob_attr
*attr
)
789 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
790 const struct uci_blob_param_list
*cfg
= type
->config_params
;
792 if (type
!= dev
->type
)
793 return DEV_CONFIG_RECREATE
;
795 if (dev
->type
->reload
)
796 return dev
->type
->reload(dev
, attr
);
798 if (uci_blob_check_equal(dev
->config
, attr
, cfg
))
799 return DEV_CONFIG_NO_CHANGE
;
801 if (cfg
== &device_attr_list
) {
802 memset(tb
, 0, sizeof(tb
));
805 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
,
806 blob_data(attr
), blob_len(attr
));
808 device_init_settings(dev
, tb
);
809 return DEV_CONFIG_RESTART
;
811 return DEV_CONFIG_RECREATE
;
815 device_apply_config(struct device
*dev
, struct device_type
*type
,
816 struct blob_attr
*config
)
818 enum dev_change_type change
;
820 change
= device_set_config(dev
, type
, config
);
822 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
823 change
= DEV_CONFIG_APPLIED
;
827 case DEV_CONFIG_RESTART
:
828 case DEV_CONFIG_APPLIED
:
829 D(DEVICE
, "Device '%s': config applied\n", dev
->ifname
);
830 config
= blob_memdup(config
);
832 dev
->config
= config
;
833 if (change
== DEV_CONFIG_RESTART
&& dev
->present
) {
836 device_set_present(dev
, false);
837 if (dev
->active
&& !dev
->external
) {
838 ret
= dev
->set_state(dev
, false);
840 ret
= dev
->set_state(dev
, true);
843 device_set_present(dev
, true);
846 case DEV_CONFIG_NO_CHANGE
:
847 D(DEVICE
, "Device '%s': no configuration change\n", dev
->ifname
);
849 case DEV_CONFIG_RECREATE
:
857 device_replace(struct device
*dev
, struct device
*odev
)
859 struct device_user
*dep
, *tmp
;
863 device_set_present(odev
, false);
865 list_for_each_entry_safe(dep
, tmp
, &odev
->users
.list
, list
.list
) {
867 safe_list_del(&dep
->list
);
868 __device_add_user(dep
, dev
);
876 device_reset_config(void)
880 avl_for_each_element(&devices
, dev
, avl
)
881 dev
->current_config
= false;
885 device_reset_old(void)
887 struct device
*dev
, *tmp
, *ndev
;
889 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
890 if (dev
->current_config
|| dev
->default_config
)
893 if (dev
->type
!= &simple_device_type
)
896 ndev
= device_create_default(dev
->ifname
, dev
->external
);
900 device_replace(ndev
, dev
);
905 device_set_default_ps(bool state
)
909 if (state
== default_ps
)
914 avl_for_each_element(&devices
, dev
, avl
) {
915 struct device_settings
*s
= &dev
->settings
;
916 unsigned int apply_mask
= 0;
918 if (!(s
->flags
& DEV_OPT_RPS
)) {
920 apply_mask
|= DEV_OPT_RPS
;
923 if (!(s
->flags
& DEV_OPT_XPS
)) {
925 apply_mask
|= DEV_OPT_XPS
;
931 if (!(dev
->external
|| (dev
->present
&& dev
->active
)) ||
935 system_if_apply_settings(dev
, s
, apply_mask
);
940 device_create(const char *name
, struct device_type
*type
,
941 struct blob_attr
*config
)
943 struct device
*odev
= NULL
, *dev
;
944 enum dev_change_type change
;
946 odev
= device_get(name
, false);
948 odev
->current_config
= true;
949 change
= device_apply_config(odev
, type
, config
);
951 case DEV_CONFIG_RECREATE
:
952 D(DEVICE
, "Device '%s': recreate device\n", odev
->ifname
);
959 D(DEVICE
, "Create new device '%s' (%s)\n", name
, type
->name
);
961 config
= blob_memdup(config
);
965 dev
= type
->create(name
, type
, config
);
969 dev
->current_config
= true;
970 dev
->config
= config
;
972 device_replace(dev
, odev
);
974 if (!config_init
&& dev
->config_pending
) {
975 type
->config_init(dev
);
976 dev
->config_pending
= false;
983 device_dump_status(struct blob_buf
*b
, struct device
*dev
)
985 struct device_settings st
;
989 avl_for_each_element(&devices
, dev
, avl
) {
992 c
= blobmsg_open_table(b
, dev
->ifname
);
993 device_dump_status(b
, dev
);
994 blobmsg_close_table(b
, c
);
1000 blobmsg_add_u8(b
, "external", dev
->external
);
1001 blobmsg_add_u8(b
, "present", dev
->present
);
1002 blobmsg_add_string(b
, "type", dev
->type
->name
);
1007 blobmsg_add_u8(b
, "up", !!dev
->active
);
1008 blobmsg_add_u8(b
, "carrier", !!dev
->link_active
);
1010 if (dev
->type
->dump_info
)
1011 dev
->type
->dump_info(dev
, b
);
1013 system_if_dump_info(dev
, b
);
1016 device_merge_settings(dev
, &st
);
1017 if (st
.flags
& DEV_OPT_MTU
)
1018 blobmsg_add_u32(b
, "mtu", st
.mtu
);
1019 if (st
.flags
& DEV_OPT_MTU6
)
1020 blobmsg_add_u32(b
, "mtu6", st
.mtu6
);
1021 if (st
.flags
& DEV_OPT_MACADDR
)
1022 blobmsg_add_string(b
, "macaddr", format_macaddr(st
.macaddr
));
1023 if (st
.flags
& DEV_OPT_TXQUEUELEN
)
1024 blobmsg_add_u32(b
, "txqueuelen", st
.txqueuelen
);
1025 if (st
.flags
& DEV_OPT_IPV6
)
1026 blobmsg_add_u8(b
, "ipv6", st
.ipv6
);
1027 if (st
.flags
& DEV_OPT_PROMISC
)
1028 blobmsg_add_u8(b
, "promisc", st
.promisc
);
1029 if (st
.flags
& DEV_OPT_RPFILTER
)
1030 blobmsg_add_u32(b
, "rpfilter", st
.rpfilter
);
1031 if (st
.flags
& DEV_OPT_ACCEPTLOCAL
)
1032 blobmsg_add_u8(b
, "acceptlocal", st
.acceptlocal
);
1033 if (st
.flags
& DEV_OPT_IGMPVERSION
)
1034 blobmsg_add_u32(b
, "igmpversion", st
.igmpversion
);
1035 if (st
.flags
& DEV_OPT_MLDVERSION
)
1036 blobmsg_add_u32(b
, "mldversion", st
.mldversion
);
1037 if (st
.flags
& DEV_OPT_NEIGHREACHABLETIME
) {
1038 blobmsg_add_u32(b
, "neigh4reachabletime", st
.neigh4reachabletime
);
1039 blobmsg_add_u32(b
, "neigh6reachabletime", st
.neigh6reachabletime
);
1041 if (st
.flags
& DEV_OPT_NEIGHGCSTALETIME
) {
1042 blobmsg_add_u32(b
, "neigh4gcstaletime", st
.neigh4gcstaletime
);
1043 blobmsg_add_u32(b
, "neigh6gcstaletime", st
.neigh6gcstaletime
);
1045 if (st
.flags
& DEV_OPT_DADTRANSMITS
)
1046 blobmsg_add_u32(b
, "dadtransmits", st
.dadtransmits
);
1047 if (st
.flags
& DEV_OPT_MULTICAST_TO_UNICAST
)
1048 blobmsg_add_u8(b
, "multicast_to_unicast", st
.multicast_to_unicast
);
1049 if (st
.flags
& DEV_OPT_MULTICAST_ROUTER
)
1050 blobmsg_add_u32(b
, "multicast_router", st
.multicast_router
);
1051 if (st
.flags
& DEV_OPT_MULTICAST_FAST_LEAVE
)
1052 blobmsg_add_u8(b
, "multicast_fast_leave", st
.multicast_fast_leave
);
1053 if (st
.flags
& DEV_OPT_MULTICAST
)
1054 blobmsg_add_u8(b
, "multicast", st
.multicast
);
1055 if (st
.flags
& DEV_OPT_LEARNING
)
1056 blobmsg_add_u8(b
, "learning", st
.learning
);
1057 if (st
.flags
& DEV_OPT_UNICAST_FLOOD
)
1058 blobmsg_add_u8(b
, "unicast_flood", st
.unicast_flood
);
1061 s
= blobmsg_open_table(b
, "statistics");
1062 if (dev
->type
->dump_stats
)
1063 dev
->type
->dump_stats(dev
, b
);
1065 system_if_dump_stats(dev
, b
);
1066 blobmsg_close_table(b
, s
);