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;
36 static int default_rps_val
;
37 static int default_rps_flow_cnt
;
38 static int default_xps_val
;
40 static const struct blobmsg_policy dev_attrs
[__DEV_ATTR_MAX
] = {
41 [DEV_ATTR_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
42 [DEV_ATTR_MTU
] = { .name
= "mtu", .type
= BLOBMSG_TYPE_INT32
},
43 [DEV_ATTR_MTU6
] = { .name
= "mtu6", .type
= BLOBMSG_TYPE_INT32
},
44 [DEV_ATTR_MACADDR
] = { .name
= "macaddr", .type
= BLOBMSG_TYPE_STRING
},
45 [DEV_ATTR_TXQUEUELEN
] = { .name
= "txqueuelen", .type
= BLOBMSG_TYPE_INT32
},
46 [DEV_ATTR_ENABLED
] = { .name
= "enabled", .type
= BLOBMSG_TYPE_BOOL
},
47 [DEV_ATTR_IPV6
] = { .name
= "ipv6", .type
= BLOBMSG_TYPE_BOOL
},
48 [DEV_ATTR_PROMISC
] = { .name
= "promisc", .type
= BLOBMSG_TYPE_BOOL
},
49 [DEV_ATTR_RPFILTER
] = { .name
= "rpfilter", .type
= BLOBMSG_TYPE_STRING
},
50 [DEV_ATTR_ACCEPTLOCAL
] = { .name
= "acceptlocal", .type
= BLOBMSG_TYPE_BOOL
},
51 [DEV_ATTR_IGMPVERSION
] = { .name
= "igmpversion", .type
= BLOBMSG_TYPE_INT32
},
52 [DEV_ATTR_MLDVERSION
] = { .name
= "mldversion", .type
= BLOBMSG_TYPE_INT32
},
53 [DEV_ATTR_NEIGHREACHABLETIME
] = { .name
= "neighreachabletime", .type
= BLOBMSG_TYPE_INT32
},
54 [DEV_ATTR_NEIGHGCSTALETIME
] = { .name
= "neighgcstaletime", .type
= BLOBMSG_TYPE_INT32
},
55 [DEV_ATTR_RPS
] = { .name
= "rps", .type
= BLOBMSG_TYPE_BOOL
},
56 [DEV_ATTR_XPS
] = { .name
= "xps", .type
= BLOBMSG_TYPE_BOOL
},
57 [DEV_ATTR_DADTRANSMITS
] = { .name
= "dadtransmits", .type
= BLOBMSG_TYPE_INT32
},
58 [DEV_ATTR_MULTICAST_TO_UNICAST
] = { .name
= "multicast_to_unicast", .type
= BLOBMSG_TYPE_BOOL
},
59 [DEV_ATTR_MULTICAST_ROUTER
] = { .name
= "multicast_router", .type
= BLOBMSG_TYPE_INT32
},
60 [DEV_ATTR_MULTICAST_FAST_LEAVE
] = { .name
= "multicast_fast_leave", . type
= BLOBMSG_TYPE_BOOL
},
61 [DEV_ATTR_MULTICAST
] = { .name
="multicast", .type
= BLOBMSG_TYPE_BOOL
},
62 [DEV_ATTR_LEARNING
] = { .name
="learning", .type
= BLOBMSG_TYPE_BOOL
},
63 [DEV_ATTR_UNICAST_FLOOD
] = { .name
="unicast_flood", .type
= BLOBMSG_TYPE_BOOL
},
64 [DEV_ATTR_SENDREDIRECTS
] = { .name
= "sendredirects", .type
= BLOBMSG_TYPE_BOOL
},
65 [DEV_ATTR_NEIGHLOCKTIME
] = { .name
= "neighlocktime", .type
= BLOBMSG_TYPE_INT32
},
68 const struct uci_blob_param_list device_attr_list
= {
69 .n_params
= __DEV_ATTR_MAX
,
73 static int __devlock
= 0;
75 int device_type_add(struct device_type
*devtype
)
77 if (device_type_get(devtype
->name
)) {
78 netifd_log_message(L_WARNING
, "Device handler '%s' already exists\n",
83 netifd_log_message(L_NOTICE
, "Added device handler type: %s\n",
86 list_add(&devtype
->list
, &devtypes
);
90 /* Retrieve the device type for the given name. If 'bridge' is true, the type
91 * must have bridge capabilities
94 device_type_get(const char *tname
)
96 struct device_type
*cur
;
98 list_for_each_entry(cur
, &devtypes
, list
)
99 if (!strcmp(cur
->name
, tname
))
105 void device_lock(void)
110 void device_unlock(void)
114 device_free_unused(NULL
);
117 static int set_device_state(struct device
*dev
, bool state
)
120 /* Get ifindex for all devices being enabled so a valid */
121 /* ifindex is in place avoiding possible race conditions */
122 device_set_ifindex(dev
, system_if_resolve(dev
));
135 simple_device_set_state(struct device
*dev
, bool state
)
140 pdev
= dev
->parent
.dev
;
141 if (state
&& !pdev
) {
142 pdev
= system_if_get_parent(dev
);
144 device_add_user(&dev
->parent
, pdev
);
149 ret
= device_claim(&dev
->parent
);
151 device_release(&dev
->parent
);
156 return set_device_state(dev
, state
);
159 static struct device
*
160 simple_device_create(const char *name
, struct device_type
*devtype
,
161 struct blob_attr
*attr
)
163 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
164 struct device
*dev
= NULL
;
166 /* device type is unused for simple devices */
169 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
, blob_data(attr
), blob_len(attr
));
170 dev
= device_get(name
, true);
174 dev
->set_state
= simple_device_set_state
;
175 device_init_settings(dev
, tb
);
180 static void simple_device_free(struct device
*dev
)
183 device_remove_user(&dev
->parent
);
187 struct device_type simple_device_type
= {
188 .name
= "Network device",
189 .config_params
= &device_attr_list
,
191 .create
= simple_device_create
,
192 .check_state
= system_if_check
,
193 .free
= simple_device_free
,
197 device_merge_settings(struct device
*dev
, struct device_settings
*n
)
199 struct device_settings
*os
= &dev
->orig_settings
;
200 struct device_settings
*s
= &dev
->settings
;
202 memset(n
, 0, sizeof(*n
));
203 n
->mtu
= s
->flags
& DEV_OPT_MTU
? s
->mtu
: os
->mtu
;
204 n
->mtu6
= s
->flags
& DEV_OPT_MTU6
? s
->mtu6
: os
->mtu6
;
205 n
->txqueuelen
= s
->flags
& DEV_OPT_TXQUEUELEN
?
206 s
->txqueuelen
: os
->txqueuelen
;
208 (s
->flags
& DEV_OPT_MACADDR
? s
->macaddr
: os
->macaddr
),
210 n
->ipv6
= s
->flags
& DEV_OPT_IPV6
? s
->ipv6
: os
->ipv6
;
211 n
->promisc
= s
->flags
& DEV_OPT_PROMISC
? s
->promisc
: os
->promisc
;
212 n
->rpfilter
= s
->flags
& DEV_OPT_RPFILTER
? s
->rpfilter
: os
->rpfilter
;
213 n
->acceptlocal
= s
->flags
& DEV_OPT_ACCEPTLOCAL
? s
->acceptlocal
: os
->acceptlocal
;
214 n
->igmpversion
= s
->flags
& DEV_OPT_IGMPVERSION
? s
->igmpversion
: os
->igmpversion
;
215 n
->mldversion
= s
->flags
& DEV_OPT_MLDVERSION
? s
->mldversion
: os
->mldversion
;
216 n
->neigh4reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
217 s
->neigh4reachabletime
: os
->neigh4reachabletime
;
218 n
->neigh6reachabletime
= s
->flags
& DEV_OPT_NEIGHREACHABLETIME
?
219 s
->neigh6reachabletime
: os
->neigh6reachabletime
;
220 n
->neigh4gcstaletime
= s
->flags
& DEV_OPT_NEIGHGCSTALETIME
?
221 s
->neigh4gcstaletime
: os
->neigh4gcstaletime
;
222 n
->neigh6gcstaletime
= s
->flags
& DEV_OPT_NEIGHGCSTALETIME
?
223 s
->neigh6gcstaletime
: os
->neigh6gcstaletime
;
224 n
->neigh4locktime
= s
->flags
& DEV_OPT_NEIGHLOCKTIME
?
225 s
->neigh4locktime
: os
->neigh4locktime
;
226 n
->dadtransmits
= s
->flags
& DEV_OPT_DADTRANSMITS
?
227 s
->dadtransmits
: os
->dadtransmits
;
228 n
->multicast
= s
->flags
& DEV_OPT_MULTICAST
?
229 s
->multicast
: os
->multicast
;
230 n
->multicast_to_unicast
= s
->multicast_to_unicast
;
231 n
->multicast_router
= s
->multicast_router
;
232 n
->multicast_fast_leave
= s
->multicast_fast_leave
;
233 n
->learning
= s
->learning
;
234 n
->unicast_flood
= s
->unicast_flood
;
235 n
->sendredirects
= s
->flags
& DEV_OPT_SENDREDIRECTS
?
236 s
->sendredirects
: os
->sendredirects
;
237 n
->flags
= s
->flags
| os
->flags
| os
->valid_flags
;
241 device_init_settings(struct device
*dev
, struct blob_attr
**tb
)
243 struct device_settings
*s
= &dev
->settings
;
244 struct blob_attr
*cur
;
245 struct ether_addr
*ea
;
246 bool disabled
= false;
249 if ((cur
= tb
[DEV_ATTR_ENABLED
]))
250 disabled
= !blobmsg_get_bool(cur
);
252 if ((cur
= tb
[DEV_ATTR_MTU
]) && blobmsg_get_u32(cur
) >= 68) {
253 s
->mtu
= blobmsg_get_u32(cur
);
254 s
->flags
|= DEV_OPT_MTU
;
257 if ((cur
= tb
[DEV_ATTR_MTU6
]) && blobmsg_get_u32(cur
) >= 1280) {
258 s
->mtu6
= blobmsg_get_u32(cur
);
259 s
->flags
|= DEV_OPT_MTU6
;
262 if ((cur
= tb
[DEV_ATTR_TXQUEUELEN
])) {
263 s
->txqueuelen
= blobmsg_get_u32(cur
);
264 s
->flags
|= DEV_OPT_TXQUEUELEN
;
267 if ((cur
= tb
[DEV_ATTR_MACADDR
])) {
268 ea
= ether_aton(blobmsg_data(cur
));
270 memcpy(s
->macaddr
, ea
, 6);
271 s
->flags
|= DEV_OPT_MACADDR
;
275 if ((cur
= tb
[DEV_ATTR_IPV6
])) {
276 s
->ipv6
= blobmsg_get_bool(cur
);
277 s
->flags
|= DEV_OPT_IPV6
;
280 if ((cur
= tb
[DEV_ATTR_PROMISC
])) {
281 s
->promisc
= blobmsg_get_bool(cur
);
282 s
->flags
|= DEV_OPT_PROMISC
;
285 if ((cur
= tb
[DEV_ATTR_RPFILTER
])) {
286 if (system_resolve_rpfilter(blobmsg_data(cur
), &s
->rpfilter
))
287 s
->flags
|= DEV_OPT_RPFILTER
;
289 DPRINTF("Failed to resolve rpfilter: %s\n", (char *) blobmsg_data(cur
));
292 if ((cur
= tb
[DEV_ATTR_ACCEPTLOCAL
])) {
293 s
->acceptlocal
= blobmsg_get_bool(cur
);
294 s
->flags
|= DEV_OPT_ACCEPTLOCAL
;
297 if ((cur
= tb
[DEV_ATTR_IGMPVERSION
])) {
298 s
->igmpversion
= blobmsg_get_u32(cur
);
299 if (s
->igmpversion
>= 1 && s
->igmpversion
<= 3)
300 s
->flags
|= DEV_OPT_IGMPVERSION
;
302 DPRINTF("Failed to resolve igmpversion: %d\n", blobmsg_get_u32(cur
));
305 if ((cur
= tb
[DEV_ATTR_MLDVERSION
])) {
306 s
->mldversion
= blobmsg_get_u32(cur
);
307 if (s
->mldversion
>= 1 && s
->mldversion
<= 2)
308 s
->flags
|= DEV_OPT_MLDVERSION
;
310 DPRINTF("Failed to resolve mldversion: %d\n", blobmsg_get_u32(cur
));
313 if ((cur
= tb
[DEV_ATTR_NEIGHREACHABLETIME
])) {
314 s
->neigh6reachabletime
= s
->neigh4reachabletime
= blobmsg_get_u32(cur
);
315 s
->flags
|= DEV_OPT_NEIGHREACHABLETIME
;
318 if ((cur
= tb
[DEV_ATTR_NEIGHGCSTALETIME
])) {
319 s
->neigh6gcstaletime
= s
->neigh4gcstaletime
= blobmsg_get_u32(cur
);
320 s
->flags
|= DEV_OPT_NEIGHGCSTALETIME
;
323 if ((cur
= tb
[DEV_ATTR_NEIGHLOCKTIME
])) {
324 s
->neigh4locktime
= blobmsg_get_u32(cur
);
325 s
->flags
|= DEV_OPT_NEIGHLOCKTIME
;
328 if ((cur
= tb
[DEV_ATTR_RPS
])) {
329 s
->rps
= blobmsg_get_bool(cur
);
330 s
->flags
|= DEV_OPT_RPS
;
335 if ((cur
= tb
[DEV_ATTR_XPS
])) {
336 s
->xps
= blobmsg_get_bool(cur
);
337 s
->flags
|= DEV_OPT_XPS
;
342 if ((cur
= tb
[DEV_ATTR_DADTRANSMITS
])) {
343 s
->dadtransmits
= blobmsg_get_u32(cur
);
344 s
->flags
|= DEV_OPT_DADTRANSMITS
;
347 if ((cur
= tb
[DEV_ATTR_MULTICAST_TO_UNICAST
])) {
348 s
->multicast_to_unicast
= blobmsg_get_bool(cur
);
349 s
->flags
|= DEV_OPT_MULTICAST_TO_UNICAST
;
352 if ((cur
= tb
[DEV_ATTR_MULTICAST_ROUTER
])) {
353 s
->multicast_router
= blobmsg_get_u32(cur
);
354 if (s
->multicast_router
<= 2)
355 s
->flags
|= DEV_OPT_MULTICAST_ROUTER
;
357 DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur
));
360 if ((cur
= tb
[DEV_ATTR_MULTICAST_FAST_LEAVE
])) {
361 s
->multicast_fast_leave
= blobmsg_get_bool(cur
);
362 s
->flags
|= DEV_OPT_MULTICAST_FAST_LEAVE
;
365 if ((cur
= tb
[DEV_ATTR_MULTICAST
])) {
366 s
->multicast
= blobmsg_get_bool(cur
);
367 s
->flags
|= DEV_OPT_MULTICAST
;
370 if ((cur
= tb
[DEV_ATTR_LEARNING
])) {
371 s
->learning
= blobmsg_get_bool(cur
);
372 s
->flags
|= DEV_OPT_LEARNING
;
375 if ((cur
= tb
[DEV_ATTR_UNICAST_FLOOD
])) {
376 s
->unicast_flood
= blobmsg_get_bool(cur
);
377 s
->flags
|= DEV_OPT_UNICAST_FLOOD
;
380 if ((cur
= tb
[DEV_ATTR_SENDREDIRECTS
])) {
381 s
->sendredirects
= blobmsg_get_bool(cur
);
382 s
->flags
|= DEV_OPT_SENDREDIRECTS
;
385 device_set_disabled(dev
, disabled
);
388 static void __init
dev_init(void)
390 avl_init(&devices
, avl_strcmp
, true, NULL
);
393 static int device_broadcast_cb(void *ctx
, struct safe_list
*list
)
395 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
398 /* device might have been removed by an earlier callback */
407 void device_broadcast_event(struct device
*dev
, enum device_event ev
)
411 safe_list_for_each(&dev
->aliases
, device_broadcast_cb
, &dev_ev
);
412 safe_list_for_each(&dev
->users
, device_broadcast_cb
, &dev_ev
);
415 int device_claim(struct device_user
*dep
)
417 struct device
*dev
= dep
->dev
;
427 D(DEVICE
, "Claim %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
+ 1);
428 if (++dev
->active
!= 1)
431 device_broadcast_event(dev
, DEV_EVENT_SETUP
);
433 /* Get ifindex for external claimed devices so a valid */
434 /* ifindex is in place avoiding possible race conditions */
435 device_set_ifindex(dev
, system_if_resolve(dev
));
439 system_if_get_settings(dev
, &dev
->orig_settings
);
441 ret
= dev
->set_state(dev
, true);
444 device_broadcast_event(dev
, DEV_EVENT_UP
);
446 D(DEVICE
, "claim %s %s failed: %d\n", dev
->type
->name
, dev
->ifname
, ret
);
448 dep
->claimed
= false;
454 void device_release(struct device_user
*dep
)
456 struct device
*dev
= dep
->dev
;
461 dep
->claimed
= false;
463 D(DEVICE
, "Release %s %s, new active count: %d\n", dev
->type
->name
, dev
->ifname
, dev
->active
);
464 assert(dev
->active
>= 0);
469 device_broadcast_event(dev
, DEV_EVENT_TEARDOWN
);
471 dev
->set_state(dev
, false);
476 device_broadcast_event(dev
, DEV_EVENT_DOWN
);
479 int device_check_state(struct device
*dev
)
481 if (!dev
->type
->check_state
)
482 return simple_device_type
.check_state(dev
);
484 return dev
->type
->check_state(dev
);
487 void device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
)
492 D(DEVICE
, "Initialize device '%s'\n", name
? name
: "");
493 INIT_SAFE_LIST(&dev
->users
);
494 INIT_SAFE_LIST(&dev
->aliases
);
498 device_set_ifname(dev
, name
);
501 dev
->set_state
= set_device_state
;
504 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
)
508 device_init_virtual(dev
, type
, ifname
);
510 dev
->avl
.key
= dev
->ifname
;
512 ret
= avl_insert(&devices
, &dev
->avl
);
516 system_if_clear_state(dev
);
517 device_check_state(dev
);
518 dev
->settings
.rps
= default_ps
;
519 dev
->settings
.xps
= default_ps
;
524 static struct device
*
525 device_create_default(const char *name
, bool external
)
529 if (!external
&& system_if_force_external(name
))
532 D(DEVICE
, "Create simple device '%s'\n", name
);
533 dev
= calloc(1, sizeof(*dev
));
537 dev
->external
= external
;
538 dev
->set_state
= simple_device_set_state
;
539 device_init(dev
, &simple_device_type
, name
);
540 dev
->default_config
= true;
542 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
547 device_find(const char *name
)
551 return avl_find_element(&devices
, name
, dev
, avl
);
555 device_get(const char *name
, int create
)
559 if (strchr(name
, '.'))
560 return get_vlan_device_chain(name
, create
);
563 return device_alias_get(name
+ 1);
565 dev
= avl_find_element(&devices
, name
, dev
, avl
);
567 if (create
> 1 && !dev
->external
) {
568 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
569 dev
->external
= true;
570 device_set_present(dev
, true);
578 return device_create_default(name
, create
> 1);
582 device_delete(struct device
*dev
)
587 D(DEVICE
, "Delete device '%s' from list\n", dev
->ifname
);
588 avl_delete(&devices
, &dev
->avl
);
592 static int device_cleanup_cb(void *ctx
, struct safe_list
*list
)
594 struct device_user
*dep
= container_of(list
, struct device_user
, list
);
596 dep
->cb(dep
, DEV_EVENT_REMOVE
);
602 void device_cleanup(struct device
*dev
)
604 D(DEVICE
, "Clean up device '%s'\n", dev
->ifname
);
605 safe_list_for_each(&dev
->users
, device_cleanup_cb
, NULL
);
606 safe_list_for_each(&dev
->aliases
, device_cleanup_cb
, NULL
);
610 static void __device_set_present(struct device
*dev
, bool state
)
612 if (dev
->present
== state
)
615 dev
->present
= state
;
616 device_broadcast_event(dev
, state
? DEV_EVENT_ADD
: DEV_EVENT_REMOVE
);
620 device_refresh_present(struct device
*dev
)
622 bool state
= dev
->sys_present
;
624 if (dev
->disabled
|| dev
->deferred
)
627 __device_set_present(dev
, state
);
630 void device_set_present(struct device
*dev
, bool state
)
632 if (dev
->sys_present
== state
)
635 D(DEVICE
, "%s '%s' %s present\n", dev
->type
->name
, dev
->ifname
, state
? "is now" : "is no longer" );
636 dev
->sys_present
= state
;
637 device_refresh_present(dev
);
640 void device_set_link(struct device
*dev
, bool state
)
642 if (dev
->link_active
== state
)
645 netifd_log_message(L_NOTICE
, "%s '%s' link is %s\n", dev
->type
->name
, dev
->ifname
, state
? "up" : "down" );
647 dev
->link_active
= state
;
648 device_broadcast_event(dev
, state
? DEV_EVENT_LINK_UP
: DEV_EVENT_LINK_DOWN
);
651 void device_set_ifindex(struct device
*dev
, int ifindex
)
653 if (dev
->ifindex
== ifindex
)
656 dev
->ifindex
= ifindex
;
657 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFINDEX
);
660 int device_set_ifname(struct device
*dev
, const char *name
)
664 if (!strcmp(dev
->ifname
, name
))
668 avl_delete(&devices
, &dev
->avl
);
670 strncpy(dev
->ifname
, name
, IFNAMSIZ
);
673 ret
= avl_insert(&devices
, &dev
->avl
);
676 device_broadcast_event(dev
, DEV_EVENT_UPDATE_IFNAME
);
681 static int device_refcount(struct device
*dev
)
683 struct list_head
*list
;
686 list_for_each(list
, &dev
->users
.list
)
689 list_for_each(list
, &dev
->aliases
.list
)
696 __device_add_user(struct device_user
*dep
, struct device
*dev
)
698 struct safe_list
*head
;
703 head
= &dev
->aliases
;
707 safe_list_add(&dep
->list
, head
);
708 D(DEVICE
, "Add user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
710 if (dep
->cb
&& dev
->present
) {
711 dep
->cb(dep
, DEV_EVENT_ADD
);
713 dep
->cb(dep
, DEV_EVENT_UP
);
715 if (dev
->link_active
)
716 dep
->cb(dep
, DEV_EVENT_LINK_UP
);
720 void device_add_user(struct device_user
*dep
, struct device
*dev
)
726 device_remove_user(dep
);
731 __device_add_user(dep
, dev
);
735 device_free(struct device
*dev
)
740 dev
->type
->free(dev
);
745 __device_free_unused(struct device
*dev
)
747 if (!safe_list_empty(&dev
->users
) ||
748 !safe_list_empty(&dev
->aliases
) ||
749 dev
->current_config
|| __devlock
)
755 void device_remove_user(struct device_user
*dep
)
757 struct device
*dev
= dep
->dev
;
762 dep
->hotplug
= false;
766 safe_list_del(&dep
->list
);
768 D(DEVICE
, "Remove user for device '%s', refcount=%d\n", dev
->ifname
, device_refcount(dev
));
769 __device_free_unused(dev
);
773 device_free_unused(struct device
*dev
)
778 return __device_free_unused(dev
);
780 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
)
781 __device_free_unused(dev
);
785 device_init_pending(void)
787 struct device
*dev
, *tmp
;
789 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
790 if (!dev
->config_pending
)
793 dev
->type
->config_init(dev
);
794 dev
->config_pending
= false;
798 static enum dev_change_type
799 device_set_config(struct device
*dev
, struct device_type
*type
,
800 struct blob_attr
*attr
)
802 struct blob_attr
*tb
[__DEV_ATTR_MAX
];
803 const struct uci_blob_param_list
*cfg
= type
->config_params
;
805 if (type
!= dev
->type
)
806 return DEV_CONFIG_RECREATE
;
808 if (dev
->type
->reload
)
809 return dev
->type
->reload(dev
, attr
);
811 if (uci_blob_check_equal(dev
->config
, attr
, cfg
))
812 return DEV_CONFIG_NO_CHANGE
;
814 if (cfg
== &device_attr_list
) {
815 memset(tb
, 0, sizeof(tb
));
818 blobmsg_parse(dev_attrs
, __DEV_ATTR_MAX
, tb
,
819 blob_data(attr
), blob_len(attr
));
821 device_init_settings(dev
, tb
);
822 return DEV_CONFIG_RESTART
;
824 return DEV_CONFIG_RECREATE
;
828 device_apply_config(struct device
*dev
, struct device_type
*type
,
829 struct blob_attr
*config
)
831 enum dev_change_type change
;
833 change
= device_set_config(dev
, type
, config
);
835 system_if_apply_settings(dev
, &dev
->settings
, dev
->settings
.flags
);
836 change
= DEV_CONFIG_APPLIED
;
840 case DEV_CONFIG_RESTART
:
841 case DEV_CONFIG_APPLIED
:
842 D(DEVICE
, "Device '%s': config applied\n", dev
->ifname
);
843 config
= blob_memdup(config
);
845 dev
->config
= config
;
846 if (change
== DEV_CONFIG_RESTART
&& dev
->present
) {
849 device_set_present(dev
, false);
850 if (dev
->active
&& !dev
->external
) {
851 ret
= dev
->set_state(dev
, false);
853 ret
= dev
->set_state(dev
, true);
856 device_set_present(dev
, true);
859 case DEV_CONFIG_NO_CHANGE
:
860 D(DEVICE
, "Device '%s': no configuration change\n", dev
->ifname
);
862 case DEV_CONFIG_RECREATE
:
870 device_replace(struct device
*dev
, struct device
*odev
)
872 struct device_user
*dep
, *tmp
;
876 device_set_present(odev
, false);
878 list_for_each_entry_safe(dep
, tmp
, &odev
->users
.list
, list
.list
) {
880 safe_list_del(&dep
->list
);
881 __device_add_user(dep
, dev
);
889 device_reset_config(void)
893 avl_for_each_element(&devices
, dev
, avl
)
894 dev
->current_config
= false;
898 device_reset_old(void)
900 struct device
*dev
, *tmp
, *ndev
;
902 avl_for_each_element_safe(&devices
, dev
, avl
, tmp
) {
903 if (dev
->current_config
|| dev
->default_config
)
906 if (dev
->type
!= &simple_device_type
)
909 ndev
= device_create_default(dev
->ifname
, dev
->external
);
913 device_replace(ndev
, dev
);
918 device_set_default_ps(bool state
, int xps
, int rps
, int rps_flow_cnt
)
922 if ((state
== default_ps
) && (default_rps_val
== rps
) &&
923 (default_xps_val
== xps
) && (default_rps_flow_cnt
== rps_flow_cnt
))
927 default_rps_val
= rps
;
928 default_rps_flow_cnt
= rps_flow_cnt
;
929 default_xps_val
= xps
;
931 avl_for_each_element(&devices
, dev
, avl
) {
932 struct device_settings
*s
= &dev
->settings
;
933 unsigned int apply_mask
= 0;
935 if (!(s
->flags
& DEV_OPT_RPS
)) {
937 s
->rps_val
= default_rps_val
;
938 s
->rps_flow_cnt
= default_rps_flow_cnt
;
939 apply_mask
|= DEV_OPT_RPS
;
942 if (!(s
->flags
& DEV_OPT_XPS
)) {
944 s
->xps_val
= default_xps_val
;
945 apply_mask
|= DEV_OPT_XPS
;
951 if (!(dev
->external
|| (dev
->present
&& dev
->active
)) ||
955 system_if_apply_settings(dev
, s
, apply_mask
);
960 device_create(const char *name
, struct device_type
*type
,
961 struct blob_attr
*config
)
963 struct device
*odev
= NULL
, *dev
;
964 enum dev_change_type change
;
966 odev
= device_find(name
);
968 odev
->current_config
= true;
969 change
= device_apply_config(odev
, type
, config
);
971 case DEV_CONFIG_RECREATE
:
972 D(DEVICE
, "Device '%s': recreate device\n", odev
->ifname
);
979 D(DEVICE
, "Create new device '%s' (%s)\n", name
, type
->name
);
981 config
= blob_memdup(config
);
985 dev
= type
->create(name
, type
, config
);
989 dev
->current_config
= true;
990 dev
->config
= config
;
992 device_replace(dev
, odev
);
994 if (!config_init
&& dev
->config_pending
) {
995 type
->config_init(dev
);
996 dev
->config_pending
= false;
1003 device_dump_status(struct blob_buf
*b
, struct device
*dev
)
1005 struct device_settings st
;
1009 avl_for_each_element(&devices
, dev
, avl
) {
1012 c
= blobmsg_open_table(b
, dev
->ifname
);
1013 device_dump_status(b
, dev
);
1014 blobmsg_close_table(b
, c
);
1020 blobmsg_add_u8(b
, "external", dev
->external
);
1021 blobmsg_add_u8(b
, "present", dev
->present
);
1022 blobmsg_add_string(b
, "type", dev
->type
->name
);
1027 blobmsg_add_u8(b
, "up", !!dev
->active
);
1028 blobmsg_add_u8(b
, "carrier", !!dev
->link_active
);
1030 if (dev
->type
->dump_info
)
1031 dev
->type
->dump_info(dev
, b
);
1033 system_if_dump_info(dev
, b
);
1036 device_merge_settings(dev
, &st
);
1037 if (st
.flags
& DEV_OPT_MTU
)
1038 blobmsg_add_u32(b
, "mtu", st
.mtu
);
1039 if (st
.flags
& DEV_OPT_MTU6
)
1040 blobmsg_add_u32(b
, "mtu6", st
.mtu6
);
1041 if (st
.flags
& DEV_OPT_MACADDR
)
1042 blobmsg_add_string(b
, "macaddr", format_macaddr(st
.macaddr
));
1043 if (st
.flags
& DEV_OPT_TXQUEUELEN
)
1044 blobmsg_add_u32(b
, "txqueuelen", st
.txqueuelen
);
1045 if (st
.flags
& DEV_OPT_IPV6
)
1046 blobmsg_add_u8(b
, "ipv6", st
.ipv6
);
1047 if (st
.flags
& DEV_OPT_PROMISC
)
1048 blobmsg_add_u8(b
, "promisc", st
.promisc
);
1049 if (st
.flags
& DEV_OPT_RPFILTER
)
1050 blobmsg_add_u32(b
, "rpfilter", st
.rpfilter
);
1051 if (st
.flags
& DEV_OPT_ACCEPTLOCAL
)
1052 blobmsg_add_u8(b
, "acceptlocal", st
.acceptlocal
);
1053 if (st
.flags
& DEV_OPT_IGMPVERSION
)
1054 blobmsg_add_u32(b
, "igmpversion", st
.igmpversion
);
1055 if (st
.flags
& DEV_OPT_MLDVERSION
)
1056 blobmsg_add_u32(b
, "mldversion", st
.mldversion
);
1057 if (st
.flags
& DEV_OPT_NEIGHREACHABLETIME
) {
1058 blobmsg_add_u32(b
, "neigh4reachabletime", st
.neigh4reachabletime
);
1059 blobmsg_add_u32(b
, "neigh6reachabletime", st
.neigh6reachabletime
);
1061 if (st
.flags
& DEV_OPT_NEIGHGCSTALETIME
) {
1062 blobmsg_add_u32(b
, "neigh4gcstaletime", st
.neigh4gcstaletime
);
1063 blobmsg_add_u32(b
, "neigh6gcstaletime", st
.neigh6gcstaletime
);
1065 if (st
.flags
& DEV_OPT_NEIGHLOCKTIME
)
1066 blobmsg_add_u32(b
, "neigh4locktime", st
.neigh4locktime
);
1067 if (st
.flags
& DEV_OPT_DADTRANSMITS
)
1068 blobmsg_add_u32(b
, "dadtransmits", st
.dadtransmits
);
1069 if (st
.flags
& DEV_OPT_MULTICAST_TO_UNICAST
)
1070 blobmsg_add_u8(b
, "multicast_to_unicast", st
.multicast_to_unicast
);
1071 if (st
.flags
& DEV_OPT_MULTICAST_ROUTER
)
1072 blobmsg_add_u32(b
, "multicast_router", st
.multicast_router
);
1073 if (st
.flags
& DEV_OPT_MULTICAST_FAST_LEAVE
)
1074 blobmsg_add_u8(b
, "multicast_fast_leave", st
.multicast_fast_leave
);
1075 if (st
.flags
& DEV_OPT_MULTICAST
)
1076 blobmsg_add_u8(b
, "multicast", st
.multicast
);
1077 if (st
.flags
& DEV_OPT_LEARNING
)
1078 blobmsg_add_u8(b
, "learning", st
.learning
);
1079 if (st
.flags
& DEV_OPT_UNICAST_FLOOD
)
1080 blobmsg_add_u8(b
, "unicast_flood", st
.unicast_flood
);
1081 if (st
.flags
& DEV_OPT_SENDREDIRECTS
)
1082 blobmsg_add_u8(b
, "sendredirects", st
.sendredirects
);
1085 s
= blobmsg_open_table(b
, "statistics");
1086 if (dev
->type
->dump_stats
)
1087 dev
->type
->dump_stats(dev
, b
);
1089 system_if_dump_stats(dev
, b
);
1090 blobmsg_close_table(b
, s
);
1093 static void __init
simple_device_type_init(void)
1095 device_type_add(&simple_device_type
);