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
);
43 enum dev_change_type
{
51 struct list_head list
;
54 bool keep_link_status
;
56 const struct uci_blob_param_list
*config_params
;
58 struct device
*(*create
)(const char *name
, struct blob_attr
*attr
);
59 void (*config_init
)(struct device
*);
60 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
61 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
62 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
63 int (*check_state
)(struct device
*);
64 void (*free
)(struct device
*);
68 DEV_OPT_MTU
= (1 << 0),
69 DEV_OPT_MACADDR
= (1 << 1),
70 DEV_OPT_TXQUEUELEN
= (1 << 2),
71 DEV_OPT_IPV6
= (1 << 3),
72 DEV_OPT_PROMISC
= (1 << 4),
73 DEV_OPT_RPFILTER
= (1 << 5),
74 DEV_OPT_ACCEPTLOCAL
= (1 << 6),
75 DEV_OPT_IGMPVERSION
= (1 << 7),
76 DEV_OPT_MLDVERSION
= (1 << 8),
79 /* events broadcasted to all users of a device */
84 DEV_EVENT_UPDATE_IFNAME
,
85 DEV_EVENT_UPDATE_IFINDEX
,
95 /* Topology changed (i.e. bridge member added) */
96 DEV_EVENT_TOPO_CHANGE
,
102 * device dependency with callbacks
105 struct safe_list list
;
111 uint8_t ev_idx
[__DEV_EVENT_MAX
];
114 void (*cb
)(struct device_user
*, enum device_event
);
117 struct device_settings
{
120 unsigned int txqueuelen
;
124 unsigned int rpfilter
;
126 unsigned int igmpversion
;
127 unsigned int mldversion
;
131 * link layer device. typically represents a linux network device.
132 * can be used to support VLANs as well
135 const struct device_type
*type
;
138 struct safe_list users
;
139 struct safe_list aliases
;
141 char ifname
[IFNAMSIZ
+ 1];
144 struct blob_attr
*config
;
160 /* set interface up or down */
161 device_state_cb set_state
;
163 const struct device_hotplug_ops
*hotplug_ops
;
165 struct device_user parent
;
167 struct device_settings orig_settings
;
168 struct device_settings settings
;
171 struct device_hotplug_ops
{
172 int (*prepare
)(struct device
*dev
);
173 int (*add
)(struct device
*main
, struct device
*member
);
174 int (*del
)(struct device
*main
, struct device
*member
);
177 extern const struct uci_blob_param_list device_attr_list
;
178 extern const struct device_type simple_device_type
;
179 extern const struct device_type bridge_device_type
;
180 extern const struct device_type tunnel_device_type
;
181 extern const struct device_type macvlan_device_type
;
182 extern const struct device_type vlandev_device_type
;
184 void device_lock(void);
185 void device_unlock(void);
187 struct device
*device_create(const char *name
, const struct device_type
*type
,
188 struct blob_attr
*config
);
189 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
190 void device_init_pending(void);
193 device_set_config(struct device
*dev
, const struct device_type
*type
,
194 struct blob_attr
*attr
);
196 device_apply_config(struct device
*dev
, const struct device_type
*type
,
197 struct blob_attr
*config
);
199 void device_reset_config(void);
200 void device_reset_old(void);
202 void device_init_virtual(struct device
*dev
, const struct device_type
*type
, const char *name
);
203 int device_init(struct device
*iface
, const struct device_type
*type
, const char *ifname
);
204 void device_cleanup(struct device
*iface
);
205 struct device
*device_get(const char *name
, int create
);
206 void device_add_user(struct device_user
*dep
, struct device
*iface
);
207 void device_remove_user(struct device_user
*dep
);
208 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
210 void device_set_present(struct device
*dev
, bool state
);
211 void device_set_link(struct device
*dev
, bool state
);
212 void device_set_ifindex(struct device
*dev
, int ifindex
);
213 void device_refresh_present(struct device
*dev
);
214 int device_claim(struct device_user
*dep
);
215 void device_release(struct device_user
*dep
);
216 int device_check_state(struct device
*dev
);
217 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
219 void device_free(struct device
*dev
);
220 void device_free_unused(struct device
*dev
);
222 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);
223 void alias_notify_device(const char *name
, struct device
*dev
);
224 struct device
*device_alias_get(const char *name
);
227 device_set_deferred(struct device
*dev
, bool value
)
229 dev
->deferred
= value
;
230 device_refresh_present(dev
);
234 device_set_disabled(struct device
*dev
, bool value
)
236 dev
->disabled
= value
;
237 device_refresh_present(dev
);