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
;
25 typedef int (*device_state_cb
)(struct device
*, bool up
);
40 DEV_ATTR_NEIGHREACHABLETIME
,
46 enum dev_change_type
{
54 struct list_head list
;
57 bool keep_link_status
;
59 const struct uci_blob_param_list
*config_params
;
61 struct device
*(*create
)(const char *name
, struct blob_attr
*attr
);
62 void (*config_init
)(struct device
*);
63 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
64 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
65 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
66 int (*check_state
)(struct device
*);
67 void (*free
)(struct device
*);
71 DEV_OPT_MTU
= (1 << 0),
72 DEV_OPT_MACADDR
= (1 << 1),
73 DEV_OPT_TXQUEUELEN
= (1 << 2),
74 DEV_OPT_IPV6
= (1 << 3),
75 DEV_OPT_PROMISC
= (1 << 4),
76 DEV_OPT_RPFILTER
= (1 << 5),
77 DEV_OPT_ACCEPTLOCAL
= (1 << 6),
78 DEV_OPT_IGMPVERSION
= (1 << 7),
79 DEV_OPT_MLDVERSION
= (1 << 8),
80 DEV_OPT_NEIGHREACHABLETIME
= (1 << 9),
83 /* events broadcasted to all users of a device */
88 DEV_EVENT_UPDATE_IFNAME
,
89 DEV_EVENT_UPDATE_IFINDEX
,
99 /* Topology changed (i.e. bridge member added) */
100 DEV_EVENT_TOPO_CHANGE
,
106 * device dependency with callbacks
109 struct safe_list list
;
115 uint8_t ev_idx
[__DEV_EVENT_MAX
];
118 void (*cb
)(struct device_user
*, enum device_event
);
121 struct device_settings
{
124 unsigned int txqueuelen
;
128 unsigned int rpfilter
;
130 unsigned int igmpversion
;
131 unsigned int mldversion
;
132 unsigned int neigh4reachabletime
;
133 unsigned int neigh6reachabletime
;
139 * link layer device. typically represents a linux network device.
140 * can be used to support VLANs as well
143 const struct device_type
*type
;
146 struct safe_list users
;
147 struct safe_list aliases
;
149 char ifname
[IFNAMSIZ
+ 1];
152 struct blob_attr
*config
;
168 /* set interface up or down */
169 device_state_cb set_state
;
171 const struct device_hotplug_ops
*hotplug_ops
;
173 struct device_user parent
;
175 struct device_settings orig_settings
;
176 struct device_settings settings
;
179 struct device_hotplug_ops
{
180 int (*prepare
)(struct device
*dev
);
181 int (*add
)(struct device
*main
, struct device
*member
);
182 int (*del
)(struct device
*main
, struct device
*member
);
185 extern const struct uci_blob_param_list device_attr_list
;
186 extern const struct device_type simple_device_type
;
187 extern const struct device_type bridge_device_type
;
188 extern const struct device_type tunnel_device_type
;
189 extern const struct device_type macvlan_device_type
;
190 extern const struct device_type vlandev_device_type
;
192 void device_lock(void);
193 void device_unlock(void);
195 struct device
*device_create(const char *name
, const struct device_type
*type
,
196 struct blob_attr
*config
);
197 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
198 void device_init_pending(void);
201 device_apply_config(struct device
*dev
, const struct device_type
*type
,
202 struct blob_attr
*config
);
204 void device_reset_config(void);
205 void device_reset_old(void);
207 void device_init_virtual(struct device
*dev
, const struct device_type
*type
, const char *name
);
208 int device_init(struct device
*iface
, const struct device_type
*type
, const char *ifname
);
209 void device_cleanup(struct device
*iface
);
210 struct device
*device_get(const char *name
, int create
);
211 void device_add_user(struct device_user
*dep
, struct device
*iface
);
212 void device_remove_user(struct device_user
*dep
);
213 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
215 void device_set_present(struct device
*dev
, bool state
);
216 void device_set_link(struct device
*dev
, bool state
);
217 void device_set_ifindex(struct device
*dev
, int ifindex
);
218 void device_refresh_present(struct device
*dev
);
219 int device_claim(struct device_user
*dep
);
220 void device_release(struct device_user
*dep
);
221 int device_check_state(struct device
*dev
);
222 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
224 void device_free(struct device
*dev
);
225 void device_free_unused(struct device
*dev
);
227 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);
228 void alias_notify_device(const char *name
, struct device
*dev
);
229 struct device
*device_alias_get(const char *name
);
232 device_set_deferred(struct device
*dev
, bool value
)
234 dev
->deferred
= value
;
235 device_refresh_present(dev
);
239 device_set_disabled(struct device
*dev
, bool value
)
241 dev
->disabled
= value
;
242 device_refresh_present(dev
);