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);