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 enum dev_change_type (*reload
)(struct device
*, struct blob_attr
*);
36 void (*dump_status
)(struct device
*, struct blob_buf
*buf
);
37 int (*check_state
)(struct device
*);
38 void (*free
)(struct device
*);
42 DEV_OPT_MTU
= (1 << 0),
43 DEV_OPT_MACADDR
= (1 << 1),
44 DEV_OPT_TXQUEUELEN
= (1 << 2)
48 * link layer device. typically represents a linux network device.
49 * can be used to support VLANs as well
52 const struct device_type
*type
;
55 struct list_head users
;
57 char ifname
[IFNAMSIZ
+ 1];
60 struct blob_attr
*config
;
64 /* set interface up or down */
65 device_state_cb set_state
;
67 const struct device_hotplug_ops
*hotplug_ops
;
73 unsigned int txqueuelen
;
77 /* events broadcasted to all users of a device */
92 * device dependency with callbacks
95 struct list_head list
;
99 void (*cb
)(struct device_user
*, enum device_event
);
102 struct device_hotplug_ops
{
103 int (*add
)(struct device
*main
, struct device
*member
);
104 int (*del
)(struct device
*main
, struct device
*member
);
107 extern const struct config_param_list device_attr_list
;
108 extern const struct device_type simple_device_type
;
109 extern const struct device_type bridge_device_type
;
111 struct device
*device_create(const char *name
, const struct device_type
*type
,
112 struct blob_attr
*config
);
113 void device_init_settings(struct device
*dev
, struct blob_attr
**tb
);
115 void device_init_virtual(struct device
*dev
, const struct device_type
*type
, const char *name
);
116 int device_init(struct device
*iface
, const struct device_type
*type
, const char *ifname
);
117 void device_cleanup(struct device
*iface
);
118 struct device
*device_get(const char *name
, bool create
);
119 void device_add_user(struct device_user
*dep
, struct device
*iface
);
120 void device_remove_user(struct device_user
*dep
);
122 void device_set_present(struct device
*dev
, bool state
);
123 int device_claim(struct device_user
*dep
);
124 void device_release(struct device_user
*dep
);
125 int device_check_state(struct device
*dev
);
128 device_free(struct device
*dev
)
130 dev
->type
->free(dev
);
133 void device_free_unused(struct device
*dev
);
135 struct device
*get_vlan_device_chain(const char *ifname
, bool create
);