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 <netinet/in.h>
24 struct device_hotplug_ops
;
27 typedef int (*device_state_cb
)(struct device
*, bool up
);
42 DEV_ATTR_NEIGHREACHABLETIME
,
43 DEV_ATTR_DADTRANSMITS
,
44 DEV_ATTR_MULTICAST_TO_UNICAST
,
45 DEV_ATTR_MULTICAST_ROUTER
,
46 DEV_ATTR_MULTICAST_FAST_LEAVE
,
49 DEV_ATTR_UNICAST_FLOOD
,
50 DEV_ATTR_NEIGHGCSTALETIME
,
51 DEV_ATTR_SENDREDIRECTS
,
52 DEV_ATTR_NEIGHLOCKTIME
,
56 enum dev_change_type
{
64 struct list_head list
;
67 bool bridge_capability
;
68 const char *name_prefix
;
70 const struct uci_blob_param_list
*config_params
;
72 struct device
*(*create
)(const char *name
, struct device_type
*devtype
,
73 struct blob_attr
*attr
);
74 void (*config_init
)(struct device
*);
75 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
76 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
77 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
78 int (*check_state
)(struct device
*);
79 void (*free
)(struct device
*);
83 DEV_OPT_MTU
= (1 << 0),
84 DEV_OPT_MACADDR
= (1 << 1),
85 DEV_OPT_TXQUEUELEN
= (1 << 2),
86 DEV_OPT_IPV6
= (1 << 3),
87 DEV_OPT_PROMISC
= (1 << 4),
88 DEV_OPT_RPFILTER
= (1 << 5),
89 DEV_OPT_ACCEPTLOCAL
= (1 << 6),
90 DEV_OPT_IGMPVERSION
= (1 << 7),
91 DEV_OPT_MLDVERSION
= (1 << 8),
92 DEV_OPT_NEIGHREACHABLETIME
= (1 << 9),
94 DEV_OPT_MTU6
= (1 << 12),
95 DEV_OPT_DADTRANSMITS
= (1 << 13),
96 DEV_OPT_MULTICAST_TO_UNICAST
= (1 << 14),
97 DEV_OPT_MULTICAST_ROUTER
= (1 << 15),
98 DEV_OPT_MULTICAST
= (1 << 16),
99 DEV_OPT_LEARNING
= (1 << 17),
100 DEV_OPT_UNICAST_FLOOD
= (1 << 18),
101 DEV_OPT_NEIGHGCSTALETIME
= (1 << 19),
102 DEV_OPT_MULTICAST_FAST_LEAVE
= (1 << 20),
103 DEV_OPT_SENDREDIRECTS
= (1 << 21),
104 DEV_OPT_NEIGHLOCKTIME
= (1 << 22),
107 /* events broadcasted to all users of a device */
112 DEV_EVENT_UPDATE_IFNAME
,
113 DEV_EVENT_UPDATE_IFINDEX
,
123 /* Topology changed (i.e. bridge member added) */
124 DEV_EVENT_TOPO_CHANGE
,
130 * device dependency with callbacks
133 struct safe_list list
;
139 uint8_t ev_idx
[__DEV_EVENT_MAX
];
142 void (*cb
)(struct device_user
*, enum device_event
);
145 struct device_settings
{
147 unsigned int valid_flags
;
150 unsigned int txqueuelen
;
154 unsigned int rpfilter
;
156 unsigned int igmpversion
;
157 unsigned int mldversion
;
158 unsigned int neigh4reachabletime
;
159 unsigned int neigh6reachabletime
;
160 unsigned int neigh4gcstaletime
;
161 unsigned int neigh6gcstaletime
;
163 unsigned int dadtransmits
;
164 bool multicast_to_unicast
;
165 unsigned int multicast_router
;
166 bool multicast_fast_leave
;
174 * link layer device. typically represents a linux network device.
175 * can be used to support VLANs as well
178 struct device_type
*type
;
181 struct safe_list users
;
182 struct safe_list aliases
;
184 char ifname
[IFNAMSIZ
+ 1];
187 struct blob_attr
*config
;
194 /* DEV_EVENT_LINK_UP */
207 bool wireless_isolate
;
209 struct interface
*config_iface
;
211 /* set interface up or down */
212 device_state_cb set_state
;
214 const struct device_hotplug_ops
*hotplug_ops
;
216 struct device_user parent
;
218 struct device_settings orig_settings
;
219 struct device_settings settings
;
222 struct device_hotplug_ops
{
223 int (*prepare
)(struct device
*dev
);
224 int (*add
)(struct device
*main
, struct device
*member
);
225 int (*del
)(struct device
*main
, struct device
*member
);
228 extern const struct uci_blob_param_list device_attr_list
;
229 extern struct device_type simple_device_type
;
230 extern struct device_type tunnel_device_type
;
232 void device_lock(void);
233 void device_unlock(void);
235 int device_type_add(struct device_type
*devtype
);
236 struct device_type
*device_type_get(const char *tname
);
237 struct device
*device_create(const char *name
, struct device_type
*type
,
238 struct blob_attr
*config
);
239 void device_merge_settings(struct device
*dev
, struct device_settings
*n
);
240 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
241 void device_init_pending(void);
244 device_apply_config(struct device
*dev
, struct device_type
*type
,
245 struct blob_attr
*config
);
247 void device_reset_config(void);
248 void device_reset_old(void);
250 void device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
);
251 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
);
252 void device_cleanup(struct device
*dev
);
253 struct device
*device_find(const char *name
);
254 struct device
*device_get(const char *name
, int create
);
255 void device_add_user(struct device_user
*dep
, struct device
*dev
);
256 void device_remove_user(struct device_user
*dep
);
257 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
259 void device_set_present(struct device
*dev
, bool state
);
260 void device_set_link(struct device
*dev
, bool state
);
261 void device_set_ifindex(struct device
*dev
, int ifindex
);
262 int device_set_ifname(struct device
*dev
, const char *name
);
263 void device_refresh_present(struct device
*dev
);
264 int device_claim(struct device_user
*dep
);
265 void device_release(struct device_user
*dep
);
266 int device_check_state(struct device
*dev
);
267 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
269 void device_free(struct device
*dev
);
270 void device_free_unused(struct device
*dev
);
272 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);
273 void alias_notify_device(const char *name
, struct device
*dev
);
274 struct device
*device_alias_get(const char *name
);
277 device_set_deferred(struct device
*dev
, bool value
)
279 dev
->deferred
= value
;
280 device_refresh_present(dev
);
284 device_set_disabled(struct device
*dev
, bool value
)
286 dev
->disabled
= value
;
287 device_refresh_present(dev
);