4 #include <libubox/avl.h>
5 #include <netinet/in.h>
8 struct device_hotplug_ops
;
10 typedef int (*device_state_cb
)(struct device
*, bool up
);
22 enum dev_change_type
{
29 struct list_head list
;
32 const struct config_param_list
*config_params
;
34 struct device
*(*create
)(struct blob_attr
*attr
);
35 void (*config_init
)(struct device
*);
36 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
37 void (*dump_status
)(struct device
*, struct blob_buf
*buf
);
38 int (*check_state
)(struct device
*);
39 void (*free
)(struct device
*);
43 DEV_OPT_MTU
= (1 << 0),
44 DEV_OPT_MACADDR
= (1 << 1),
45 DEV_OPT_TXQUEUELEN
= (1 << 2)
49 * link layer device. typically represents a linux network device.
50 * can be used to support VLANs as well
53 const struct device_type
*type
;
56 struct list_head users
;
58 char ifname
[IFNAMSIZ
+ 1];
61 struct blob_attr
*config
;
66 /* set interface up or down */
67 device_state_cb set_state
;
69 const struct device_hotplug_ops
*hotplug_ops
;
75 unsigned int txqueuelen
;
79 /* events broadcasted to all users of a device */
94 * device dependency with callbacks
97 struct list_head list
;
101 void (*cb
)(struct device_user
*, enum device_event
);
104 struct device_hotplug_ops
{
105 int (*add
)(struct device
*main
, struct device
*member
);
106 int (*del
)(struct device
*main
, struct device
*member
);
109 extern const struct config_param_list device_attr_list
;
110 extern const struct device_type simple_device_type
;
111 extern const struct device_type bridge_device_type
;
113 struct device
*device_create(const char *name
, const struct device_type
*type
,
114 struct blob_attr
*config
);
115 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
116 void device_init_pending(void);
118 void device_init_virtual(struct device
*dev
, const struct device_type
*type
, const char *name
);
119 int device_init(struct device
*iface
, const struct device_type
*type
, const char *ifname
);
120 void device_cleanup(struct device
*iface
);
121 struct device
*device_get(const char *name
, bool create
);
122 void device_add_user(struct device_user
*dep
, struct device
*iface
);
123 void device_remove_user(struct device_user
*dep
);
125 void device_set_present(struct device
*dev
, bool state
);
126 int device_claim(struct device_user
*dep
);
127 void device_release(struct device_user
*dep
);
128 int device_check_state(struct device
*dev
);
131 device_free(struct device
*dev
)
133 dev
->type
->free(dev
);
136 void device_free_unused(struct device
*dev
);
138 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);