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
,
59 enum dev_change_type
{
67 struct list_head list
;
70 bool bridge_capability
;
71 const char *name_prefix
;
73 const struct uci_blob_param_list
*config_params
;
75 struct device
*(*create
)(const char *name
, struct device_type
*devtype
,
76 struct blob_attr
*attr
);
77 void (*config_init
)(struct device
*);
78 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
79 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
80 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
81 int (*check_state
)(struct device
*);
82 void (*free
)(struct device
*);
86 DEV_OPT_MTU
= (1 << 0),
87 DEV_OPT_MACADDR
= (1 << 1),
88 DEV_OPT_TXQUEUELEN
= (1 << 2),
89 DEV_OPT_IPV6
= (1 << 3),
90 DEV_OPT_PROMISC
= (1 << 4),
91 DEV_OPT_RPFILTER
= (1 << 5),
92 DEV_OPT_ACCEPTLOCAL
= (1 << 6),
93 DEV_OPT_IGMPVERSION
= (1 << 7),
94 DEV_OPT_MLDVERSION
= (1 << 8),
95 DEV_OPT_NEIGHREACHABLETIME
= (1 << 9),
96 DEV_OPT_DEFAULT_MACADDR
= (1 << 10),
98 DEV_OPT_MTU6
= (1 << 12),
99 DEV_OPT_DADTRANSMITS
= (1 << 13),
100 DEV_OPT_MULTICAST_TO_UNICAST
= (1 << 14),
101 DEV_OPT_MULTICAST_ROUTER
= (1 << 15),
102 DEV_OPT_MULTICAST
= (1 << 16),
103 DEV_OPT_LEARNING
= (1 << 17),
104 DEV_OPT_UNICAST_FLOOD
= (1 << 18),
105 DEV_OPT_NEIGHGCSTALETIME
= (1 << 19),
106 DEV_OPT_MULTICAST_FAST_LEAVE
= (1 << 20),
107 DEV_OPT_SENDREDIRECTS
= (1 << 21),
108 DEV_OPT_NEIGHLOCKTIME
= (1 << 22),
109 DEV_OPT_ISOLATE
= (1 << 23),
112 /* events broadcasted to all users of a device */
117 DEV_EVENT_UPDATE_IFNAME
,
118 DEV_EVENT_UPDATE_IFINDEX
,
128 /* Topology changed (i.e. bridge member added) */
129 DEV_EVENT_TOPO_CHANGE
,
135 * device dependency with callbacks
138 struct safe_list list
;
144 uint8_t ev_idx
[__DEV_EVENT_MAX
];
147 void (*cb
)(struct device_user
*, enum device_event
);
150 struct device_settings
{
152 unsigned int valid_flags
;
155 unsigned int txqueuelen
;
159 unsigned int rpfilter
;
161 unsigned int igmpversion
;
162 unsigned int mldversion
;
163 unsigned int neigh4reachabletime
;
164 unsigned int neigh6reachabletime
;
165 unsigned int neigh4gcstaletime
;
166 unsigned int neigh6gcstaletime
;
168 unsigned int dadtransmits
;
169 bool multicast_to_unicast
;
170 unsigned int multicast_router
;
171 bool multicast_fast_leave
;
180 * link layer device. typically represents a linux network device.
181 * can be used to support VLANs as well
184 struct device_type
*type
;
187 struct safe_list users
;
188 struct safe_list aliases
;
190 struct vlist_tree vlans
;
191 struct kvlist vlan_aliases
;
193 char ifname
[IFNAMSIZ
+ 1];
196 struct blob_attr
*config
;
203 /* DEV_EVENT_LINK_UP */
216 bool wireless_isolate
;
218 struct interface
*config_iface
;
220 /* set interface up or down */
221 device_state_cb set_state
;
223 const struct device_hotplug_ops
*hotplug_ops
;
225 struct device_user parent
;
227 struct device_settings orig_settings
;
228 struct device_settings settings
;
231 struct device_hotplug_ops
{
232 int (*prepare
)(struct device
*dev
, struct device
**bridge_dev
);
233 int (*add
)(struct device
*main
, struct device
*member
, struct blob_attr
*vlan
);
234 int (*del
)(struct device
*main
, struct device
*member
);
237 enum bridge_vlan_flags
{
238 BRVLAN_F_SELF
= (1 << 0),
239 BRVLAN_F_PVID
= (1 << 1),
240 BRVLAN_F_UNTAGGED
= (1 << 2),
243 struct bridge_vlan_port
{
249 struct vlist_node node
;
251 struct bridge_vlan_port
*ports
;
254 struct list_head hotplug_ports
;
260 extern const struct uci_blob_param_list device_attr_list
;
261 extern struct device_type simple_device_type
;
262 extern struct device_type tunnel_device_type
;
264 void device_lock(void);
265 void device_unlock(void);
267 void device_vlan_update(bool done
);
269 int device_type_add(struct device_type
*devtype
);
270 struct device_type
*device_type_get(const char *tname
);
271 struct device
*device_create(const char *name
, struct device_type
*type
,
272 struct blob_attr
*config
);
273 void device_merge_settings(struct device
*dev
, struct device_settings
*n
);
274 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
275 void device_init_pending(void);
278 device_apply_config(struct device
*dev
, struct device_type
*type
,
279 struct blob_attr
*config
);
281 void device_reset_config(void);
282 void device_reset_old(void);
284 int device_init_virtual(struct device
*dev
, struct device_type
*type
, const char *name
);
285 int device_init(struct device
*dev
, struct device_type
*type
, const char *ifname
);
286 void device_cleanup(struct device
*dev
);
287 struct device
*device_find(const char *name
);
288 struct device
*device_get(const char *name
, int create
);
289 void device_add_user(struct device_user
*dep
, struct device
*dev
);
290 void device_remove_user(struct device_user
*dep
);
291 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
293 void device_set_present(struct device
*dev
, bool state
);
294 void device_set_link(struct device
*dev
, bool state
);
295 void device_set_ifindex(struct device
*dev
, int ifindex
);
296 int device_set_ifname(struct device
*dev
, const char *name
);
297 void device_refresh_present(struct device
*dev
);
298 int device_claim(struct device_user
*dep
);
299 void device_release(struct device_user
*dep
);
300 int device_check_state(struct device
*dev
);
301 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
303 void device_free_unused(struct device
*dev
);
305 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);
306 void alias_notify_device(const char *name
, struct device
*dev
);
307 struct device
*device_alias_get(const char *name
);
310 device_set_deferred(struct device
*dev
, bool value
)
312 dev
->deferred
= value
;
313 device_refresh_present(dev
);
317 device_set_disabled(struct device
*dev
, bool value
)
319 dev
->disabled
= value
;
320 device_refresh_present(dev
);