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
},
64 const struct uci_blob_param_list device_attr_list
= {
65 .n_params
= __DEV_ATTR_MAX
,
69 static int __devlock
= 0;
71 int device_type_add(struct device_type
*devtype
)
73 if (device_type_get(devtype
->name
)) {
74 netifd_log_message(L_WARNING
, "Device handler '%s' already exists\n",
79 netifd_log_message(L_NOTICE
, "Added device handler type: %s\n",
82 list_add(&devtype
->list
, &devtypes
);
86 /* Retrieve the device type for the given name. If 'bridge' is true, the type
87 * must have bridge capabilities
90 device_type_get(const char *tname
)
92 struct device_type
*cur
;
94 list_for_each_entry(cur
, &devtypes
, list
)
95 if (!strcmp(cur
->name
, tname
))
101 void device_lock(void)
106 void device_unlock(void)
110 device_free_unused(NULL
);
113 static int set_device_state(struct device
*dev
, bool state
)
116 /* Get ifindex for all devices being enabled so a valid */
117 /* ifindex is in place avoiding possible race conditions */
118 device_set_ifindex(dev
, system_if_resolve(dev
));
131 simple_device_set_state(struct device
*dev
, bool state
)
136 pdev
= dev
->parent
.dev
;
137 if (state
&& !pdev
) {
138 pdev
= system_if_get_parent(dev
);
140 device_add_user(&dev
->parent
, pdev
);
145 ret
= device_claim(&dev
->parent
);
147 device_release(&dev
->parent
);
152 return set_device_state(dev
, state
);
155 static struct device
*
156 simple_device_create(const char *name
, struct device_type
*devtype
,
157 struct blob_attr
*attr
)
159 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
160 struct device
*dev
= NULL
;
162 /* device type is unused for simple devices */
165 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
, blob_data(attr
), blob_len(attr
));
166 dev
= device_get(name
, true);
170 dev
->set_state
= simple_device_set_state
;
171 device_init_settings(dev
, tb
);
176 static void simple_device_free(struct device
*dev
)
179 device_remove_user(&dev
->parent
);
183 struct device_type simple_device_type
= {
184 .name
= "Network device",
185 .config_params
= &device_attr_list
,
187 .create
= simple_device_create
,
188 .check_state
= system_if_check
,
189 .free
= simple_device_free
,
193 device_merge_settings(struct device
*dev
, struct device_settings
*n
)
195 struct device_settings
*os
= &dev
->orig_settings
;
196 struct device_settings
*s
= &dev
->settings
;
198 memset(n
, 0, sizeof(*n
));
199 n
->mtu
= s
->flags
& DEV_OPT_MTU
? s
->mtu
: os
->mtu
;
200 n
->mtu6
= s
->flags
& DEV_OPT_MTU6
? s
->mtu6
: os
->mtu6
;
201 n
->txqueuelen
= s
->flags
& DEV_OPT_TXQUEUELEN
?
202 s
->txqueuelen
: os
->txqueuelen
;
204 (s
->flags
& DEV_OPT_MACADDR
? s
->macaddr
: os
->macaddr
),
206 n
->ipv6
= s
->flags
& DEV_OPT_IPV6
? s
->ipv6
: os
->ipv6
;
207 n
->promisc
= s
->flags
& DEV_OPT_PROMISC
? s
->promisc
: os
->promisc
;
208 n
->rpfilter
= s
->flags
& DEV_OPT_RPFILTER
? s
->rpfilter
: os
->rpfilter
;
209 n
->acceptlocal
= s
->flags
& DEV_OPT_ACCEPTLOCAL
? s
->acceptlocal
: os
->acceptlocal
;
210 n
->igmpversion
= s
->flags
& DEV_OPT_IGMPVERSION
? s
->igmpversion
: os
->igmpversion
;
211 n
->mldversion
= s
->flags
& DEV_OPT_MLDVERSION
? s
->mldversion
: os
->mldversion
;
212 n
->neigh4reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
213 s
->neigh4reachabletime
: os
->neigh4reachabletime
;
214 n
->neigh6reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
215 s
->neigh6reachabletime
: os
->neigh6reachabletime
;
216 n
->neigh4gcstaletime
= s
->flags
& DEV_OPT_NEIGHGCSTALETIME
?
217 s
->neigh4gcstaletime
: os
->neigh4gcstaletime
;
218 n
->neigh6gcstaletime
= s
->flags
& DEV_OPT_NEIGHGCSTALETIME
?
219 s
->neigh6gcstaletime
: os
->neigh6gcstaletime
;
220 n
->dadtransmits
= s
->flags
& DEV_OPT_DADTRANSMITS
?
221 s
->dadtransmits
: os
->dadtransmits
;
222 n
->multicast
= s
->flags
& DEV_OPT_MULTICAST
?
223 s
->multicast
: os
->multicast
;
224 n
->multicast_to_unicast
= s
->multicast_to_unicast
;
225 n
->multicast_router
= s
->multicast_router
;
226 n
->multicast_fast_leave
= s
->multicast_fast_leave
;
227 n
->learning
= s
->learning
;
228 n
->unicast_flood
= s
->unicast_flood
;
229 n
->sendredirects
= s
->flags
& DEV_OPT_SENDREDIRECTS
?
230 s
->sendredirects
: os
->sendredirects
;
231 n
->flags
= s
->flags
| os
->flags
| os
->valid_flags
;
235 device_init_settings(struct device
*dev
, struct blob_attr
**tb
)
237 struct device_settings
*s
= &dev
->settings
;
238 struct blob_attr
*cur
;
239 struct ether_addr
*ea
;
240 bool disabled
= false;
243 if ((cur
= tb
[DEV_ATTR_ENABLED
]))
244 disabled
= !blobmsg_get_bool(cur
);
246 if ((cur
= tb
[DEV_ATTR_MTU
]) && blobmsg_get_u32(cur
) >= 68) {
247 s
->mtu
= blobmsg_get_u32(cur
);
248 s
->flags
|= DEV_OPT_MTU
;
251 if ((cur
= tb
[DEV_ATTR_MTU6
]) && blobmsg_get_u32(cur
) >= 1280) {
252 s
->mtu6
= blobmsg_get_u32(cur
);
253 s
->flags
|= DEV_OPT_MTU6
;
256 if ((cur
= tb
[DEV_ATTR_TXQUEUELEN
])) {
257 s
->txqueuelen
= blobmsg_get_u32(cur
);
258 s
->flags
|= DEV_OPT_TXQUEUELEN
;
261 if ((cur
= tb
[DEV_ATTR_MACADDR
])) {
262 ea
= ether_aton(blobmsg_data(cur
));
264 memcpy(s
->macaddr
, ea
, 6);
265 s
->flags
|= DEV_OPT_MACADDR
;
269 if ((cur
= tb
[DEV_ATTR_IPV6
])) {
270 s
->ipv6
= blobmsg_get_bool(cur
);
271 s
->flags
|= DEV_OPT_IPV6
;
274 if ((cur
= tb
[DEV_ATTR_PROMISC
])) {
275 s
->promisc
= blobmsg_get_bool(cur
);
276 s
->flags
|= DEV_OPT_PROMISC
;
279 if ((cur
= tb
[DEV_ATTR_RPFILTER
])) {
280 if (system_resolve_rpfilter(blobmsg_data(cur
), &s
->rpfilter
))
281 s
->flags
|= DEV_OPT_RPFILTER
;
283 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur
));
286 if ((cur
= tb
[DEV_ATTR_ACCEPTLOCAL
])) {
287 s
->acceptlocal
= blobmsg_get_bool(cur
);
288 s
->flags
|= DEV_OPT_ACCEPTLOCAL
;
291 if ((cur
= tb
[DEV_ATTR_IGMPVERSION
])) {
292 s
->igmpversion
= blobmsg_get_u32(cur
);
293 if (s
->igmpversion
>= 1 && s
->igmpversion
<= 3)
294 s
->flags
|= DEV_OPT_IGMPVERSION
;
296 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur
));
299 if ((cur
= tb
[DEV_ATTR_MLDVERSION
])) {
300 s
->mldversion
= blobmsg_get_u32(cur
);
301 if (s
->mldversion
>= 1 && s
->mldversion
<= 2)
302 s
->flags
|= DEV_OPT_MLDVERSION
;
304 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur
));
307 if ((cur
= tb
[DEV_ATTR_NEIGHREACHABLETIME
])) {
308 s
->neigh6reachabletime
= s
->neigh4reachabletime
= blobmsg_get_u32(cur
);
309 s
->flags
|= DEV_OPT_NEIGHREACHABLETIME
;
312 if ((cur
= tb
[DEV_ATTR_NEIGHGCSTALETIME
])) {
313 s
->neigh6gcstaletime
= s
->neigh4gcstaletime
= blobmsg_get_u32(cur
);
314 s
->flags
|= DEV_OPT_NEIGHGCSTALETIME
;
317 if ((cur
= tb
[DEV_ATTR_RPS
])) {
318 s
->rps
= blobmsg_get_bool(cur
);
319 s
->flags
|= DEV_OPT_RPS
;
324 if ((cur
= tb
[DEV_ATTR_XPS
])) {
325 s
->xps
= blobmsg_get_bool(cur
);
326 s
->flags
|= DEV_OPT_XPS
;
331 if ((cur
= tb
[DEV_ATTR_DADTRANSMITS
])) {
332 s
->dadtransmits
= blobmsg_get_u32(cur
);
333 s
->flags
|= DEV_OPT_DADTRANSMITS
;
336 if ((cur
= tb
[DEV_ATTR_MULTICAST_TO_UNICAST
])) {
337 s
->multicast_to_unicast
= blobmsg_get_bool(cur
);
338 s
->flags
|= DEV_OPT_MULTICAST_TO_UNICAST
;
341 if ((cur
= tb
[DEV_ATTR_MULTICAST_ROUTER
])) {
342 s
->multicast_router
= blobmsg_get_u32(cur
);
343 if (s
->multicast_router
<= 2)
344 s
->flags
|= DEV_OPT_MULTICAST_ROUTER
;
346 DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur
));
349 if ((cur
= tb
[DEV_ATTR_MULTICAST_FAST_LEAVE
])) {
350 s
->multicast_fast_leave
= blobmsg_get_bool(cur
);
351 s
->flags
|= DEV_OPT_MULTICAST_FAST_LEAVE
;
354 if ((cur
= tb
[DEV_ATTR_MULTICAST
])) {
355 s
->multicast
= blobmsg_get_bool(cur
);
356 s
->flags
|= DEV_OPT_MULTICAST
;
359 if ((cur
= tb
[DEV_ATTR_LEARNING
])) {
360 s
->learning
= blobmsg_get_bool(cur
);
361 s
->flags
|= DEV_OPT_LEARNING
;
364 if ((cur
= tb
[DEV_ATTR_UNICAST_FLOOD
])) {
365 s
->unicast_flood
= blobmsg_get_bool(cur
);
366 s
->flags
|= DEV_OPT_UNICAST_FLOOD
;
369 if ((cur
= tb
[DEV_ATTR_SENDREDIRECTS
])) {
370 s
->sendredirects
= blobmsg_get_bool(cur
);
371 s
->flags
|= DEV_OPT_SENDREDIRECTS
;
374 device_set_disabled(dev
, disabled
);
377 static void __init
dev_init(void)
379 avl_init(&devices
, avl_strcmp
, true, NULL
);
382 static int device_broadcast_cb(void *ctx
, struct safe_list
*list
)
384 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
387 /* device might have been removed by an earlier callback */
396 void device_broadcast_event(struct device
*dev
, enum device_event ev
)
400 safe_list_for_each(&dev
->aliases
, device_broadcast_cb
, &dev_ev
);
401 safe_list_for_each(&dev
->users
, device_broadcast_cb
, &dev_ev
);
404 int device_claim(struct device_user
*dep
)
406 struct device
*dev
= dep
->dev
;
416 D(DEVICE
, "Claim %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
+ 1);
417 if (++dev
->active
!= 1)
420 device_broadcast_event(dev
, DEV_EVENT_SETUP
);
422 /* Get ifindex for external claimed devices so a valid */
423 /* ifindex is in place avoiding possible race conditions */
424 device_set_ifindex(dev
, system_if_resolve(dev
));
428 system_if_get_settings(dev
, &dev
->orig_settings
);
430 ret
= dev
->set_state(dev
, true);
433 device_broadcast_event(dev
, DEV_EVENT_UP
);
435 D(DEVICE
, "claim %s %s failed: %d\n", dev
->type
->name
, dev
->ifname
, ret
);
437 dep
->claimed
= false;
443 void device_release(struct device_user
*dep
)
445 struct device
*dev
= dep
->dev
;
450 dep
->claimed
= false;
452 D(DEVICE
, "Release %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
);
453 assert(dev
->active
>= 0);
458 device_broadcast_event(dev
, DEV_EVENT_TEARDOWN
);
460 dev
->set_state(dev
, false);
465 device_broadcast_event(dev
, DEV_EVENT_DOWN
);
468 int device_check_state(struct device
*dev
)
470 if (!dev
->type
->check_state
)
471 return simple_device_type
.check_state(dev
);
473 return dev
->type
->check_state(dev
);
476 void device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
)
481 D(DEVICE
, "Initialize device '%s'\n", name
? name
: "");
482 INIT_SAFE_LIST(&dev
->users
);
483 INIT_SAFE_LIST(&dev
->aliases
);
487 device_set_ifname(dev
, name
);
490 dev
->set_state
= set_device_state
;
493 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
)
497 device_init_virtual(dev
, type
, ifname
);
499 dev
->avl
.key
= dev
->ifname
;
501 ret
= avl_insert(&devices
, &dev
->avl
);
505 system_if_clear_state(dev
);
506 device_check_state(dev
);
507 dev
->settings
.rps
= default_ps
;
508 dev
->settings
.xps
= default_ps
;
513 static struct device
*
514 device_create_default(const char *name
, bool external
)
518 if (!external
&& system_if_force_external(name
))
521 D(DEVICE
, "Create simple device '%s'\n", name
);
522 dev
= calloc(1, sizeof(*dev
));
526 dev
->external
= external
;
527 dev
->set_state
= simple_device_set_state
;
528 device_init(dev
, &simple_device_type
, name
);
529 dev
->default_config
= true;
531 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
536 device_find(const char *name
)
540 return avl_find_element(&devices
, name
, dev
, avl
);
544 device_get(const char *name
, int create
)
548 if (strchr(name
, '.'))
549 return get_vlan_device_chain(name
, create
);
552 return device_alias_get(name
+ 1);
554 dev
= avl_find_element(&devices
, name
, dev
, avl
);
556 if (create
> 1 && !dev
->external
) {
557 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
558 dev
->external
= true;
559 device_set_present(dev
, true);
567 return device_create_default(name
, create
> 1);
571 device_delete(struct device
*dev
)
576 D(DEVICE
, "Delete device '%s' from list\n", dev
->ifname
);
577 avl_delete(&devices
, &dev
->avl
);
581 static int device_cleanup_cb(void *ctx
, struct safe_list
*list
)
583 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
585 dep
->cb(dep
, DEV_EVENT_REMOVE
);
591 void device_cleanup(struct device
*dev
)
593 D(DEVICE
, "Clean up device '%s'\n", dev
->ifname
);
594 safe_list_for_each(&dev
->users
, device_cleanup_cb
, NULL
);
595 safe_list_for_each(&dev
->aliases
, device_cleanup_cb
, NULL
);
599 static void __device_set_present(struct device
*dev
, bool state
)
601 if (dev
->present
== state
)
604 dev
->present
= state
;
605 device_broadcast_event(dev
, state
? DEV_EVENT_ADD
: DEV_EVENT_REMOVE
);
609 device_refresh_present(struct device
*dev
)
611 bool state
= dev
->sys_present
;
613 if (dev
->disabled
|| dev
->deferred
)
616 __device_set_present(dev
, state
);
619 void device_set_present(struct device
*dev
, bool state
)
621 if (dev
->sys_present
== state
)
624 D(DEVICE
, "%s '%s' %s present\n", dev
->type
->name
, dev
->ifname
, state
? "is now" : "is no longer" );
625 dev
->sys_present
= state
;
626 device_refresh_present(dev
);
629 void device_set_link(struct device
*dev
, bool state
)
631 if (dev
->link_active
== state
)
634 netifd_log_message(L_NOTICE
, "%s '%s' link is %s\n", dev
->type
->name
, dev
->ifname
, state
? "up" : "down" );
636 dev
->link_active
= state
;
637 device_broadcast_event(dev
, state
? DEV_EVENT_LINK_UP
: DEV_EVENT_LINK_DOWN
);
640 void device_set_ifindex(struct device
*dev
, int ifindex
)
642 if (dev
->ifindex
== ifindex
)
645 dev
->ifindex
= ifindex
;
646 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFINDEX
);
649 int device_set_ifname(struct device
*dev
, const char *name
)
653 if (!strcmp(dev
->ifname
, name
))
657 avl_delete(&devices
, &dev
->avl
);
659 strncpy(dev
->ifname
, name
, IFNAMSIZ
);
662 ret
= avl_insert(&devices
, &dev
->avl
);
665 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFNAME
);
670 static int device_refcount(struct device
*dev
)
672 struct list_head
*list
;
675 list_for_each(list
, &dev
->users
.list
)
678 list_for_each(list
, &dev
->aliases
.list
)
685 __device_add_user(struct device_user
*dep
, struct device
*dev
)
687 struct safe_list
*head
;
692 head
= &dev
->aliases
;
696 safe_list_add(&dep
->list
, head
);
697 D(DEVICE
, "Add user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
699 if (dep
->cb
&& dev
->present
) {
700 dep
->cb(dep
, DEV_EVENT_ADD
);
702 dep
->cb(dep
, DEV_EVENT_UP
);
704 if (dev
->link_active
)
705 dep
->cb(dep
, DEV_EVENT_LINK_UP
);
709 void device_add_user(struct device_user
*dep
, struct device
*dev
)
715 device_remove_user(dep
);
720 __device_add_user(dep
, dev
);
724 device_free(struct device
*dev
)
729 dev
->type
->free(dev
);
734 __device_free_unused(struct device
*dev
)
736 if (!safe_list_empty(&dev
->users
) ||
737 !safe_list_empty(&dev
->aliases
) ||
738 dev
->current_config
|| __devlock
)
744 void device_remove_user(struct device_user
*dep
)
746 struct device
*dev
= dep
->dev
;
751 dep
->hotplug
= false;
755 safe_list_del(&dep
->list
);
757 D(DEVICE
, "Remove user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
758 __device_free_unused(dev
);
762 device_free_unused(struct device
*dev
)
767 return __device_free_unused(dev
);
769 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
)
770 __device_free_unused(dev
);
774 device_init_pending(void)
776 struct device
*dev
, *tmp
;
778 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
779 if (!dev
->config_pending
)
782 dev
->type
->config_init(dev
);
783 dev
->config_pending
= false;
787 static enum dev_change_type
788 device_set_config(struct device
*dev
, struct device_type
*type
,
789 struct blob_attr
*attr
)
791 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
792 const struct uci_blob_param_list
*cfg
= type
->config_params
;
794 if (type
!= dev
->type
)
795 return DEV_CONFIG_RECREATE
;
797 if (dev
->type
->reload
)
798 return dev
->type
->reload(dev
, attr
);
800 if (uci_blob_check_equal(dev
->config
, attr
, cfg
))
801 return DEV_CONFIG_NO_CHANGE
;
803 if (cfg
== &device_attr_list
) {
804 memset(tb
, 0, sizeof(tb
));
807 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
,
808 blob_data(attr
), blob_len(attr
));
810 device_init_settings(dev
, tb
);
811 return DEV_CONFIG_RESTART
;
813 return DEV_CONFIG_RECREATE
;
817 device_apply_config(struct device
*dev
, struct device_type
*type
,
818 struct blob_attr
*config
)
820 enum dev_change_type change
;
822 change
= device_set_config(dev
, type
, config
);
824 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
825 change
= DEV_CONFIG_APPLIED
;
829 case DEV_CONFIG_RESTART
:
830 case DEV_CONFIG_APPLIED
:
831 D(DEVICE
, "Device '%s': config applied\n", dev
->ifname
);
832 config
= blob_memdup(config
);
834 dev
->config
= config
;
835 if (change
== DEV_CONFIG_RESTART
&& dev
->present
) {
838 device_set_present(dev
, false);
839 if (dev
->active
&& !dev
->external
) {
840 ret
= dev
->set_state(dev
, false);
842 ret
= dev
->set_state(dev
, true);
845 device_set_present(dev
, true);
848 case DEV_CONFIG_NO_CHANGE
:
849 D(DEVICE
, "Device '%s': no configuration change\n", dev
->ifname
);
851 case DEV_CONFIG_RECREATE
:
859 device_replace(struct device
*dev
, struct device
*odev
)
861 struct device_user
*dep
, *tmp
;
865 device_set_present(odev
, false);
867 list_for_each_entry_safe(dep
, tmp
, &odev
->users
.list
, list
.list
) {
869 safe_list_del(&dep
->list
);
870 __device_add_user(dep
, dev
);
878 device_reset_config(void)
882 avl_for_each_element(&devices
, dev
, avl
)
883 dev
->current_config
= false;
887 device_reset_old(void)
889 struct device
*dev
, *tmp
, *ndev
;
891 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
892 if (dev
->current_config
|| dev
->default_config
)
895 if (dev
->type
!= &simple_device_type
)
898 ndev
= device_create_default(dev
->ifname
, dev
->external
);
902 device_replace(ndev
, dev
);
907 device_set_default_ps(bool state
)
911 if (state
== default_ps
)
916 avl_for_each_element(&devices
, dev
, avl
) {
917 struct device_settings
*s
= &dev
->settings
;
918 unsigned int apply_mask
= 0;
920 if (!(s
->flags
& DEV_OPT_RPS
)) {
922 apply_mask
|= DEV_OPT_RPS
;
925 if (!(s
->flags
& DEV_OPT_XPS
)) {
927 apply_mask
|= DEV_OPT_XPS
;
933 if (!(dev
->external
|| (dev
->present
&& dev
->active
)) ||
937 system_if_apply_settings(dev
, s
, apply_mask
);
942 device_create(const char *name
, struct device_type
*type
,
943 struct blob_attr
*config
)
945 struct device
*odev
= NULL
, *dev
;
946 enum dev_change_type change
;
948 odev
= device_find(name
);
950 odev
->current_config
= true;
951 change
= device_apply_config(odev
, type
, config
);
953 case DEV_CONFIG_RECREATE
:
954 D(DEVICE
, "Device '%s': recreate device\n", odev
->ifname
);
961 D(DEVICE
, "Create new device '%s' (%s)\n", name
, type
->name
);
963 config
= blob_memdup(config
);
967 dev
= type
->create(name
, type
, config
);
971 dev
->current_config
= true;
972 dev
->config
= config
;
974 device_replace(dev
, odev
);
976 if (!config_init
&& dev
->config_pending
) {
977 type
->config_init(dev
);
978 dev
->config_pending
= false;
985 device_dump_status(struct blob_buf
*b
, struct device
*dev
)
987 struct device_settings st
;
991 avl_for_each_element(&devices
, dev
, avl
) {
994 c
= blobmsg_open_table(b
, dev
->ifname
);
995 device_dump_status(b
, dev
);
996 blobmsg_close_table(b
, c
);
1002 blobmsg_add_u8(b
, "external", dev
->external
);
1003 blobmsg_add_u8(b
, "present", dev
->present
);
1004 blobmsg_add_string(b
, "type", dev
->type
->name
);
1009 blobmsg_add_u8(b
, "up", !!dev
->active
);
1010 blobmsg_add_u8(b
, "carrier", !!dev
->link_active
);
1012 if (dev
->type
->dump_info
)
1013 dev
->type
->dump_info(dev
, b
);
1015 system_if_dump_info(dev
, b
);
1018 device_merge_settings(dev
, &st
);
1019 if (st
.flags
& DEV_OPT_MTU
)
1020 blobmsg_add_u32(b
, "mtu", st
.mtu
);
1021 if (st
.flags
& DEV_OPT_MTU6
)
1022 blobmsg_add_u32(b
, "mtu6", st
.mtu6
);
1023 if (st
.flags
& DEV_OPT_MACADDR
)
1024 blobmsg_add_string(b
, "macaddr", format_macaddr(st
.macaddr
));
1025 if (st
.flags
& DEV_OPT_TXQUEUELEN
)
1026 blobmsg_add_u32(b
, "txqueuelen", st
.txqueuelen
);
1027 if (st
.flags
& DEV_OPT_IPV6
)
1028 blobmsg_add_u8(b
, "ipv6", st
.ipv6
);
1029 if (st
.flags
& DEV_OPT_PROMISC
)
1030 blobmsg_add_u8(b
, "promisc", st
.promisc
);
1031 if (st
.flags
& DEV_OPT_RPFILTER
)
1032 blobmsg_add_u32(b
, "rpfilter", st
.rpfilter
);
1033 if (st
.flags
& DEV_OPT_ACCEPTLOCAL
)
1034 blobmsg_add_u8(b
, "acceptlocal", st
.acceptlocal
);
1035 if (st
.flags
& DEV_OPT_IGMPVERSION
)
1036 blobmsg_add_u32(b
, "igmpversion", st
.igmpversion
);
1037 if (st
.flags
& DEV_OPT_MLDVERSION
)
1038 blobmsg_add_u32(b
, "mldversion", st
.mldversion
);
1039 if (st
.flags
& DEV_OPT_NEIGHREACHABLETIME
) {
1040 blobmsg_add_u32(b
, "neigh4reachabletime", st
.neigh4reachabletime
);
1041 blobmsg_add_u32(b
, "neigh6reachabletime", st
.neigh6reachabletime
);
1043 if (st
.flags
& DEV_OPT_NEIGHGCSTALETIME
) {
1044 blobmsg_add_u32(b
, "neigh4gcstaletime", st
.neigh4gcstaletime
);
1045 blobmsg_add_u32(b
, "neigh6gcstaletime", st
.neigh6gcstaletime
);
1047 if (st
.flags
& DEV_OPT_DADTRANSMITS
)
1048 blobmsg_add_u32(b
, "dadtransmits", st
.dadtransmits
);
1049 if (st
.flags
& DEV_OPT_MULTICAST_TO_UNICAST
)
1050 blobmsg_add_u8(b
, "multicast_to_unicast", st
.multicast_to_unicast
);
1051 if (st
.flags
& DEV_OPT_MULTICAST_ROUTER
)
1052 blobmsg_add_u32(b
, "multicast_router", st
.multicast_router
);
1053 if (st
.flags
& DEV_OPT_MULTICAST_FAST_LEAVE
)
1054 blobmsg_add_u8(b
, "multicast_fast_leave", st
.multicast_fast_leave
);
1055 if (st
.flags
& DEV_OPT_MULTICAST
)
1056 blobmsg_add_u8(b
, "multicast", st
.multicast
);
1057 if (st
.flags
& DEV_OPT_LEARNING
)
1058 blobmsg_add_u8(b
, "learning", st
.learning
);
1059 if (st
.flags
& DEV_OPT_UNICAST_FLOOD
)
1060 blobmsg_add_u8(b
, "unicast_flood", st
.unicast_flood
);
1061 if (st
.flags
& DEV_OPT_SENDREDIRECTS
)
1062 blobmsg_add_u8(b
, "sendredirects", st
.sendredirects
);
1065 s
= blobmsg_open_table(b
, "statistics");
1066 if (dev
->type
->dump_stats
)
1067 dev
->type
->dump_stats(dev
, b
);
1069 system_if_dump_stats(dev
, b
);
1070 blobmsg_close_table(b
, s
);
1073 static void __init
simple_device_type_init(void)
1075 device_type_add(&simple_device_type
);