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>
23 struct device_hotplug_ops
;
26 typedef int (*device_state_cb
)(struct device
*, bool up
);
41 DEV_ATTR_NEIGHREACHABLETIME
,
44 DEV_ATTR_DADTRANSMITS
,
45 DEV_ATTR_MULTICAST_TO_UNICAST
,
46 DEV_ATTR_MULTICAST_ROUTER
,
49 DEV_ATTR_UNICAST_FLOOD
,
50 DEV_ATTR_NEIGHGCSTALETIME
,
54 enum dev_change_type
{
62 struct list_head list
;
65 const struct uci_blob_param_list
*config_params
;
67 struct device
*(*create
)(const char *name
, struct blob_attr
*attr
);
68 void (*config_init
)(struct device
*);
69 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
70 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
71 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
72 int (*check_state
)(struct device
*);
73 void (*free
)(struct device
*);
77 DEV_OPT_MTU
= (1 << 0),
78 DEV_OPT_MACADDR
= (1 << 1),
79 DEV_OPT_TXQUEUELEN
= (1 << 2),
80 DEV_OPT_IPV6
= (1 << 3),
81 DEV_OPT_PROMISC
= (1 << 4),
82 DEV_OPT_RPFILTER
= (1 << 5),
83 DEV_OPT_ACCEPTLOCAL
= (1 << 6),
84 DEV_OPT_IGMPVERSION
= (1 << 7),
85 DEV_OPT_MLDVERSION
= (1 << 8),
86 DEV_OPT_NEIGHREACHABLETIME
= (1 << 9),
87 DEV_OPT_RPS
= (1 << 10),
88 DEV_OPT_XPS
= (1 << 11),
89 DEV_OPT_MTU6
= (1 << 12),
90 DEV_OPT_DADTRANSMITS
= (1 << 13),
91 DEV_OPT_MULTICAST_TO_UNICAST
= (1 << 14),
92 DEV_OPT_MULTICAST_ROUTER
= (1 << 15),
93 DEV_OPT_MULTICAST
= (1 << 16),
94 DEV_OPT_LEARNING
= (1 << 17),
95 DEV_OPT_UNICAST_FLOOD
= (1 << 18),
96 DEV_OPT_NEIGHGCSTALETIME
= (1 << 19),
99 /* events broadcasted to all users of a device */
104 DEV_EVENT_UPDATE_IFNAME
,
105 DEV_EVENT_UPDATE_IFINDEX
,
115 /* Topology changed (i.e. bridge member added) */
116 DEV_EVENT_TOPO_CHANGE
,
122 * device dependency with callbacks
125 struct safe_list list
;
131 uint8_t ev_idx
[__DEV_EVENT_MAX
];
134 void (*cb
)(struct device_user
*, enum device_event
);
137 struct device_settings
{
139 unsigned int valid_flags
;
142 unsigned int txqueuelen
;
146 unsigned int rpfilter
;
148 unsigned int igmpversion
;
149 unsigned int mldversion
;
150 unsigned int neigh4reachabletime
;
151 unsigned int neigh6reachabletime
;
152 unsigned int neigh4gcstaletime
;
153 unsigned int neigh6gcstaletime
;
156 unsigned int dadtransmits
;
157 bool multicast_to_unicast
;
158 unsigned int multicast_router
;
165 * link layer device. typically represents a linux network device.
166 * can be used to support VLANs as well
169 const struct device_type
*type
;
172 struct safe_list users
;
173 struct safe_list aliases
;
175 char ifname
[IFNAMSIZ
+ 1];
178 struct blob_attr
*config
;
185 /* DEV_EVENT_LINK_UP */
198 bool wireless_isolate
;
200 struct interface
*config_iface
;
202 /* set interface up or down */
203 device_state_cb set_state
;
205 const struct device_hotplug_ops
*hotplug_ops
;
207 struct device_user parent
;
209 struct device_settings orig_settings
;
210 struct device_settings settings
;
213 struct device_hotplug_ops
{
214 int (*prepare
)(struct device
*dev
);
215 int (*add
)(struct device
*main
, struct device
*member
);
216 int (*del
)(struct device
*main
, struct device
*member
);
219 extern const struct uci_blob_param_list device_attr_list
;
220 extern const struct device_type simple_device_type
;
221 extern const struct device_type bridge_device_type
;
222 extern const struct device_type tunnel_device_type
;
223 extern const struct device_type macvlan_device_type
;
224 extern const struct device_type vlandev_device_type
;
226 void device_lock(void);
227 void device_unlock(void);
229 struct device
*device_create(const char *name
, const struct device_type
*type
,
230 struct blob_attr
*config
);
231 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
232 void device_init_pending(void);
235 device_apply_config(struct device
*dev
, const struct device_type
*type
,
236 struct blob_attr
*config
);
238 void device_reset_config(void);
239 void device_reset_old(void);
240 void device_set_default_ps(bool state
);
242 void device_init_virtual(struct device
*dev
, const struct device_type
*type
, const char *name
);
243 int device_init(struct device
*iface
, const struct device_type
*type
, const char *ifname
);
244 void device_cleanup(struct device
*dev
);
245 struct device
*device_find(const char *name
);
246 struct device
*device_get(const char *name
, int create
);
247 void device_add_user(struct device_user
*dep
, struct device
*iface
);
248 void device_remove_user(struct device_user
*dep
);
249 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
251 void device_set_present(struct device
*dev
, bool state
);
252 void device_set_link(struct device
*dev
, bool state
);
253 void device_set_ifindex(struct device
*dev
, int ifindex
);
254 int device_set_ifname(struct device
*dev
, const char *name
);
255 void device_refresh_present(struct device
*dev
);
256 int device_claim(struct device_user
*dep
);
257 void device_release(struct device_user
*dep
);
258 int device_check_state(struct device
*dev
);
259 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
261 void device_free(struct device
*dev
);
262 void device_free_unused(struct device
*dev
);
264 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);
265 void alias_notify_device(const char *name
, struct device
*dev
);
266 struct device
*device_alias_get(const char *name
);
269 device_set_deferred(struct device
*dev
, bool value
)
271 dev
->deferred
= value
;
272 device_refresh_present(dev
);
276 device_set_disabled(struct device
*dev
, bool value
)
278 dev
->disabled
= value
;
279 device_refresh_present(dev
);