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.
14 #ifndef __NETIFD_DEVICE_H
15 #define __NETIFD_DEVICE_H
17 #include <libubox/avl.h>
18 #include <libubox/safe_list.h>
19 #include <libubox/kvlist.h>
20 #include <netinet/in.h>
25 struct device_hotplug_ops
;
29 typedef int (*device_state_cb
)(struct device
*, bool up
);
44 DEV_ATTR_NEIGHREACHABLETIME
,
45 DEV_ATTR_DADTRANSMITS
,
46 DEV_ATTR_MULTICAST_TO_UNICAST
,
47 DEV_ATTR_MULTICAST_ROUTER
,
48 DEV_ATTR_MULTICAST_FAST_LEAVE
,
51 DEV_ATTR_UNICAST_FLOOD
,
52 DEV_ATTR_NEIGHGCSTALETIME
,
53 DEV_ATTR_SENDREDIRECTS
,
54 DEV_ATTR_NEIGHLOCKTIME
,
56 DEV_ATTR_IP6SEGMENTROUTING
,
57 DEV_ATTR_DROP_V4_UNICAST_IN_L2_MULTICAST
,
58 DEV_ATTR_DROP_V6_UNICAST_IN_L2_MULTICAST
,
59 DEV_ATTR_DROP_GRATUITOUS_ARP
,
60 DEV_ATTR_DROP_UNSOLICITED_NA
,
68 enum dev_change_type
{
76 struct list_head list
;
79 bool bridge_capability
;
80 const char *name_prefix
;
82 const struct uci_blob_param_list
*config_params
;
84 struct device
*(*create
)(const char *name
, struct device_type
*devtype
,
85 struct blob_attr
*attr
);
86 void (*config_init
)(struct device
*);
87 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
88 void (*vlan_update
)(struct device
*);
89 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
90 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
91 int (*check_state
)(struct device
*);
92 void (*stp_init
)(struct device
*);
93 void (*free
)(struct device
*);
97 DEV_OPT_MTU
= (1ULL << 0),
98 DEV_OPT_MACADDR
= (1ULL << 1),
99 DEV_OPT_TXQUEUELEN
= (1ULL << 2),
100 DEV_OPT_IPV6
= (1ULL << 3),
101 DEV_OPT_PROMISC
= (1ULL << 4),
102 DEV_OPT_RPFILTER
= (1ULL << 5),
103 DEV_OPT_ACCEPTLOCAL
= (1ULL << 6),
104 DEV_OPT_IGMPVERSION
= (1ULL << 7),
105 DEV_OPT_MLDVERSION
= (1ULL << 8),
106 DEV_OPT_NEIGHREACHABLETIME
= (1ULL << 9),
107 DEV_OPT_DEFAULT_MACADDR
= (1ULL << 10),
108 DEV_OPT_AUTH
= (1ULL << 11),
109 DEV_OPT_MTU6
= (1ULL << 12),
110 DEV_OPT_DADTRANSMITS
= (1ULL << 13),
111 DEV_OPT_MULTICAST_TO_UNICAST
= (1ULL << 14),
112 DEV_OPT_MULTICAST_ROUTER
= (1ULL << 15),
113 DEV_OPT_MULTICAST
= (1ULL << 16),
114 DEV_OPT_LEARNING
= (1ULL << 17),
115 DEV_OPT_UNICAST_FLOOD
= (1ULL << 18),
116 DEV_OPT_NEIGHGCSTALETIME
= (1ULL << 19),
117 DEV_OPT_MULTICAST_FAST_LEAVE
= (1ULL << 20),
118 DEV_OPT_SENDREDIRECTS
= (1ULL << 21),
119 DEV_OPT_NEIGHLOCKTIME
= (1ULL << 22),
120 DEV_OPT_ISOLATE
= (1ULL << 23),
121 DEV_OPT_IP6SEGMENTROUTING
= (1ULL << 24),
122 DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST
= (1ULL << 25),
123 DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST
= (1ULL << 26),
124 DEV_OPT_DROP_GRATUITOUS_ARP
= (1ULL << 27),
125 DEV_OPT_DROP_UNSOLICITED_NA
= (1ULL << 28),
126 DEV_OPT_ARP_ACCEPT
= (1ULL << 29),
127 DEV_OPT_SPEED
= (1ULL << 30),
128 DEV_OPT_DUPLEX
= (1ULL << 31),
131 /* events broadcasted to all users of a device */
136 DEV_EVENT_UPDATE_IFNAME
,
137 DEV_EVENT_UPDATE_IFINDEX
,
148 /* Topology changed (i.e. bridge member added) */
149 DEV_EVENT_TOPO_CHANGE
,
155 * device dependency with callbacks
158 struct safe_list list
;
164 uint8_t ev_idx
[__DEV_EVENT_MAX
];
167 void (*cb
)(struct device_user
*, enum device_event
);
170 struct device_settings
{
172 uint64_t valid_flags
;
175 unsigned int txqueuelen
;
179 unsigned int rpfilter
;
181 unsigned int igmpversion
;
182 unsigned int mldversion
;
183 unsigned int neigh4reachabletime
;
184 unsigned int neigh6reachabletime
;
185 unsigned int neigh4gcstaletime
;
186 unsigned int neigh6gcstaletime
;
188 unsigned int dadtransmits
;
189 bool multicast_to_unicast
;
190 unsigned int multicast_router
;
191 bool multicast_fast_leave
;
196 bool ip6segmentrouting
;
198 bool drop_v4_unicast_in_l2_multicast
;
199 bool drop_v6_unicast_in_l2_multicast
;
200 bool drop_gratuitous_arp
;
201 bool drop_unsolicited_na
;
209 * link layer device. typically represents a linux network device.
210 * can be used to support VLANs as well
213 struct device_type
*type
;
216 struct safe_list users
;
217 struct safe_list aliases
;
219 struct vlist_tree vlans
;
220 struct kvlist vlan_aliases
;
222 char ifname
[IFNAMSIZ
+ 1];
225 struct blob_attr
*config
;
232 /* DEV_EVENT_LINK_UP */
246 bool wireless_isolate
;
248 struct interface
*config_iface
;
250 /* set interface up or down */
251 device_state_cb set_state
;
253 const struct device_hotplug_ops
*hotplug_ops
;
255 struct device_user parent
;
257 struct device_settings orig_settings
;
258 struct device_settings settings
;
261 struct device_hotplug_ops
{
262 int (*prepare
)(struct device
*dev
, struct device
**bridge_dev
);
263 int (*add
)(struct device
*main
, struct device
*member
, struct blob_attr
*vlan
);
264 int (*del
)(struct device
*main
, struct device
*member
, struct blob_attr
*vlan
);
267 enum bridge_vlan_flags
{
268 BRVLAN_F_SELF
= (1 << 0),
269 BRVLAN_F_PVID
= (1 << 1),
270 BRVLAN_F_UNTAGGED
= (1 << 2),
273 struct bridge_vlan_port
{
279 struct bridge_vlan_hotplug_port
{
280 struct list_head list
;
281 struct bridge_vlan_port port
;
285 struct vlist_node node
;
287 struct bridge_vlan_port
*ports
;
290 struct list_head hotplug_ports
;
297 extern const struct uci_blob_param_list device_attr_list
;
298 extern struct device_type simple_device_type
;
299 extern struct device_type tunnel_device_type
;
301 void device_lock(void);
302 void device_unlock(void);
304 void device_vlan_update(bool done
);
305 void device_stp_init(void);
307 int device_type_add(struct device_type
*devtype
);
308 struct device_type
*device_type_get(const char *tname
);
309 struct device
*device_create(const char *name
, struct device_type
*type
,
310 struct blob_attr
*config
);
311 void device_merge_settings(struct device
*dev
, struct device_settings
*n
);
312 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
313 void device_init_pending(void);
316 device_apply_config(struct device
*dev
, struct device_type
*type
,
317 struct blob_attr
*config
);
319 void device_reset_config(void);
320 void device_reset_old(void);
322 int device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
);
323 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
);
324 void device_cleanup(struct device
*dev
);
325 struct device
*device_find(const char *name
);
327 struct device
*__device_get(const char *name
, int create
, bool check_vlan
);
328 static inline struct device
*device_get(const char *name
, int create
)
330 return __device_get(name
, create
, true);
333 void device_add_user(struct device_user
*dep
, struct device
*dev
);
334 void device_remove_user(struct device_user
*dep
);
335 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
337 void device_set_present(struct device
*dev
, bool state
);
338 void device_set_link(struct device
*dev
, bool state
);
339 void device_set_ifindex(struct device
*dev
, int ifindex
);
340 int device_set_ifname(struct device
*dev
, const char *name
);
341 void device_refresh_present(struct device
*dev
);
342 int device_claim(struct device_user
*dep
);
343 void device_release(struct device_user
*dep
);
344 int device_check_state(struct device
*dev
);
345 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
347 void device_free_unused(struct device
*dev
);
349 struct device
*get_vlan_device_chain(const char *ifname
, int create
);
350 void alias_notify_device(const char *name
, struct device
*dev
);
351 struct device
*device_alias_get(const char *name
);
353 void device_set_auth_status(struct device
*dev
, bool value
);
356 device_set_deferred(struct device
*dev
, bool value
)
358 dev
->deferred
= value
;
359 device_refresh_present(dev
);
363 device_set_disabled(struct device
*dev
, bool value
)
365 dev
->disabled
= value
;
366 device_refresh_present(dev
);
370 device_link_active(struct device
*dev
)
372 if (dev
->settings
.auth
&& !dev
->auth_status
)
375 return dev
->link_active
;
378 bool device_check_ip6segmentrouting(void);
379 void device_hotplug_event(const char *name
, bool add
);