4 #include <libubox/avl.h>
7 struct device_hotplug_ops;
9 typedef int (*device_state_cb)(struct device *, bool up);
14 int (*check_state)(struct device *);
15 void (*free)(struct device *);
19 * link layer device. typically represents a linux network device.
20 * can be used to support VLANs as well
23 const struct device_type *type;
26 struct list_head users;
28 char ifname[IFNAMSIZ + 1];
34 /* set interface up or down */
35 device_state_cb set_state;
37 const struct device_hotplug_ops *hotplug_ops;
40 /* events broadcasted to all users of a device */
42 /* device has been added to the system and can be brought up */
45 /* device has been removed */
48 /* device is being brought up */
51 /* device is being brought down */
54 /* device has been brought up */
57 /* device has been brought down */
60 /* device has changed its link state to up */
63 /* device has changed its link state to down */
68 * device dependency with callbacks
71 struct list_head list;
74 void (*cb)(struct device_user *, enum device_event);
77 struct device_hotplug_ops {
78 int (*add)(struct device *main, struct device *member);
79 int (*del)(struct device *main, struct device *member);
82 int init_device(struct device *iface, const struct device_type *type, const char *ifname);
83 void cleanup_device(struct device *iface);
84 struct device *get_device(const char *name, bool create);
85 void add_device_user(struct device_user *dep, struct device *iface);
86 void remove_device_user(struct device_user *dep);
88 void set_device_present(struct device *dev, bool state);
89 int claim_device(struct device *dev);
90 void release_device(struct device *dev);
91 int check_device_state(struct device *dev);
93 struct device *get_vlan_device_chain(const char *ifname, bool create);