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.
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
);
37 enum dev_change_type
{
45 struct list_head list
;
48 const struct uci_blob_param_list
*config_params
;
50 struct device
*(*create
)(const char *name
, struct blob_attr
*attr
);
51 void (*config_init
)(struct device
*);
52 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
53 void (*dump_info
)(struct device
*, struct blob_buf
*buf
);
54 void (*dump_stats
)(struct device
*, struct blob_buf
*buf
);
55 int (*check_state
)(struct device
*);
56 void (*free
)(struct device
*);
60 DEV_OPT_MTU
= (1 << 0),
61 DEV_OPT_MACADDR
= (1 << 1),
62 DEV_OPT_TXQUEUELEN
= (1 << 2),
65 /* events broadcasted to all users of a device */
70 DEV_EVENT_UPDATE_IFNAME
,
71 DEV_EVENT_UPDATE_IFINDEX
,
81 /* Topology changed (i.e. bridge member added) */
82 DEV_EVENT_TOPO_CHANGE
,
88 * device dependency with callbacks
91 struct safe_list list
;
97 uint8_t ev_idx
[__DEV_EVENT_MAX
];
100 void (*cb
)(struct device_user
*, enum device_event
);
103 struct device_settings
{
106 unsigned int txqueuelen
;
111 * link layer device. typically represents a linux network device.
112 * can be used to support VLANs as well
115 const struct device_type
*type
;
118 struct safe_list users
;
119 struct safe_list aliases
;
121 char ifname
[IFNAMSIZ
+ 1];
124 struct blob_attr
*config
;
139 /* set interface up or down */
140 device_state_cb set_state
;
142 const struct device_hotplug_ops
*hotplug_ops
;
144 struct device_user parent
;
146 struct device_settings orig_settings
;
147 struct device_settings settings
;
150 struct device_hotplug_ops
{
151 int (*prepare
)(struct device
*dev
);
152 int (*add
)(struct device
*main
, struct device
*member
);
153 int (*del
)(struct device
*main
, struct device
*member
);
156 extern const struct uci_blob_param_list device_attr_list
;
157 extern const struct device_type simple_device_type
;
158 extern const struct device_type bridge_device_type
;
159 extern const struct device_type tunnel_device_type
;
160 extern const struct device_type macvlan_device_type
;
162 void device_lock(void);
163 void device_unlock(void);
165 struct device
*device_create(const char *name
, const struct device_type
*type
,
166 struct blob_attr
*config
);
167 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
168 void device_init_pending(void);
171 device_set_config(struct device
*dev
, const struct device_type
*type
,
172 struct blob_attr
*attr
);
174 void device_reset_config(void);
175 void device_reset_old(void);
177 void device_init_virtual(struct device
*dev
, const struct device_type
*type
, const char *name
);
178 int device_init(struct device
*iface
, const struct device_type
*type
, const char *ifname
);
179 void device_cleanup(struct device
*iface
);
180 struct device
*device_get(const char *name
, int create
);
181 void device_add_user(struct device_user
*dep
, struct device
*iface
);
182 void device_remove_user(struct device_user
*dep
);
183 void device_broadcast_event(struct device
*dev
, enum device_event ev
);
185 void device_set_present(struct device
*dev
, bool state
);
186 void device_set_link(struct device
*dev
, bool state
);
187 void device_set_ifindex(struct device
*dev
, int ifindex
);
188 void device_refresh_present(struct device
*dev
);
189 int device_claim(struct device_user
*dep
);
190 void device_release(struct device_user
*dep
);
191 int device_check_state(struct device
*dev
);
192 void device_dump_status(struct blob_buf
*b
, struct device
*dev
);
194 void device_free(struct device
*dev
);
195 void device_free_unused(struct device
*dev
);
197 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);
198 void alias_notify_device(const char *name
, struct device
*dev
);
199 struct device
*device_alias_get(const char *name
);
202 device_set_deferred(struct device
*dev
, bool value
)
204 dev
->deferred
= value
;
205 device_refresh_present(dev
);
209 device_set_disabled(struct device
*dev
, bool value
)
211 dev
->disabled
= value
;
212 device_refresh_present(dev
);