#define __LL_H
#include <libubox/avl.h>
+#include <netinet/in.h>
struct device;
struct device_hotplug_ops;
typedef int (*device_state_cb)(struct device *, bool up);
+enum {
+ DEV_ATTR_TYPE,
+ DEV_ATTR_NAME,
+ DEV_ATTR_IFNAME,
+ DEV_ATTR_MTU,
+ DEV_ATTR_MACADDR,
+ DEV_ATTR_TXQUEUELEN,
+ __DEV_ATTR_MAX,
+};
+
+enum dev_change_type {
+ DEV_CONFIG_NO_CHANGE,
+ DEV_CONFIG_APPLIED,
+ DEV_CONFIG_RECREATE,
+};
+
struct device_type {
+ struct list_head list;
const char *name;
+ const struct config_param_list *config_params;
+
+ struct device *(*create)(struct blob_attr *attr);
+ enum dev_change_type (*reload)(struct device *, struct blob_attr *);
+ void (*dump_status)(struct device *, struct blob_buf *buf);
int (*check_state)(struct device *);
void (*free)(struct device *);
};
+enum {
+ DEV_OPT_MTU = (1 << 0),
+ DEV_OPT_MACADDR = (1 << 1),
+ DEV_OPT_TXQUEUELEN = (1 << 2)
+};
+
/*
* link layer device. typically represents a linux network device.
* can be used to support VLANs as well
char ifname[IFNAMSIZ + 1];
int ifindex;
+ struct blob_attr *config;
bool present;
int active;
device_state_cb set_state;
const struct device_hotplug_ops *hotplug_ops;
+
+ /* settings */
+ unsigned int flags;
+
+ unsigned int mtu;
+ unsigned int txqueuelen;
+ uint8_t macaddr[6];
};
/* events broadcasted to all users of a device */
enum device_event {
- /* device has been added to the system and can be brought up */
DEV_EVENT_ADD,
-
- /* device has been removed */
DEV_EVENT_REMOVE,
- /* device is being brought up */
DEV_EVENT_SETUP,
-
- /* device is being brought down */
DEV_EVENT_TEARDOWN,
-
- /* device has been brought up */
DEV_EVENT_UP,
-
- /* device has been brought down */
DEV_EVENT_DOWN,
- /* device has changed its link state to up */
DEV_EVENT_LINK_UP,
-
- /* device has changed its link state to down */
DEV_EVENT_LINK_DOWN,
};
struct device_user {
struct list_head list;
+ bool claimed;
struct device *dev;
void (*cb)(struct device_user *, enum device_event);
};
int (*del)(struct device *main, struct device *member);
};
-int init_device(struct device *iface, const struct device_type *type, const char *ifname);
-void cleanup_device(struct device *iface);
-struct device *get_device(const char *name, bool create);
-void add_device_user(struct device_user *dep, struct device *iface);
-void remove_device_user(struct device_user *dep);
-
-void set_device_present(struct device *dev, bool state);
-int claim_device(struct device *dev);
-void release_device(struct device *dev);
-int check_device_state(struct device *dev);
+extern const struct config_param_list device_attr_list;
+extern const struct device_type simple_device_type;
+extern const struct device_type bridge_device_type;
+
+struct device *device_create(const char *name, const struct device_type *type,
+ struct blob_attr *config);
+void device_init_settings(struct device *dev, struct blob_attr **tb);
+
+void device_init_virtual(struct device *dev, const struct device_type *type, const char *name);
+int device_init(struct device *iface, const struct device_type *type, const char *ifname);
+void device_cleanup(struct device *iface);
+struct device *device_get(const char *name, bool create);
+void device_add_user(struct device_user *dep, struct device *iface);
+void device_remove_user(struct device_user *dep);
+
+void device_set_present(struct device *dev, bool state);
+int device_claim(struct device_user *dep);
+void device_release(struct device_user *dep);
+int device_check_state(struct device *dev);
+
+static inline void
+device_free(struct device *dev)
+{
+ dev->type->free(dev);
+}
+
+void device_free_unused(struct device *dev);
struct device *get_vlan_device_chain(const char *ifname, bool create);