extern "C" {
#endif
-struct arg {
- char *key;
- char *value;
-};
-
/* A network device (e.g. an Ethernet device).
*
* This structure should be treated as opaque by network device
* implementations. */
struct netdev_dev {
char *name; /* Name of network device. */
- const struct netdev_class *netdev_class; /* Functions to control
+ const struct netdev_class *netdev_class; /* Functions to control
this device. */
int ref_cnt; /* Times this devices was opened. */
struct shash_node *node; /* Pointer to element in global map. */
- struct arg *args; /* Argument list from last config. */
- int n_args; /* Number of arguments in 'args'. */
+ struct shash args; /* Argument list from last config. */
};
void netdev_dev_init(struct netdev_dev *, const char *name,
+ const struct shash *args,
const struct netdev_class *);
void netdev_dev_uninit(struct netdev_dev *, bool destroy);
const char *netdev_dev_get_type(const struct netdev_dev *);
* to be called. May be null if nothing is needed here. */
void (*wait)(void);
- /* Attempts to create a network device of 'type' with 'name'.
- * 'type' corresponds to the 'type' field used in the netdev_class
- * structure. On success sets 'netdev_devp' to the newly created device. */
- int (*create)(const char *name, const char *type, const struct shash *args,
- struct netdev_dev **netdev_devp);
+ /* Attempts to create a network device named 'name' with initial 'args' in
+ * 'netdev_class'. On success sets 'netdev_devp' to the newly created
+ * device. */
+ int (*create)(const struct netdev_class *netdev_class, const char *name,
+ const struct shash *args, struct netdev_dev **netdev_devp);
/* Destroys 'netdev_dev'.
*
* called. */
void (*destroy)(struct netdev_dev *netdev_dev);
- /* Reconfigures the device 'netdev_dev' with 'args'.
+ /* Changes the device 'netdev_dev''s configuration to 'args'.
*
* If this netdev class does not support reconfiguring a netdev
* device, this may be a null pointer.
*/
- int (*reconfigure)(struct netdev_dev *netdev_dev, const struct shash *args);
+ int (*set_config)(struct netdev_dev *netdev_dev, const struct shash *args);
/* Attempts to open a network device. On success, sets 'netdevp'
* to the new network device.
int (*get_ifindex)(const struct netdev *netdev);
/* Sets 'carrier' to true if carrier is active (link light is on) on
- * 'netdev'. */
+ * 'netdev'.
+ *
+ * May be null if device does not provide carrier status (will be always
+ * up as long as device is up).
+ */
int (*get_carrier)(const struct netdev *netdev, bool *carrier);
+ /* Sets 'miimon' to true if 'netdev' is up according to its MII. If
+ * 'netdev' does not support MII, may fall back to another method or return
+ * EOPNOTSUPP.
+ *
+ * This function may be set to null if it would always return EOPNOTSUPP.
+ */
+ int (*get_miimon)(const struct netdev *netdev, bool *miimon);
+
/* Retrieves current device stats for 'netdev' into 'stats'.
*
* A network device that supports some statistics but not others, it should
*
* This function may be set to null if it would always return EOPNOTSUPP.
*/
- int (*get_features)(struct netdev *netdev,
+ int (*get_features)(const struct netdev *netdev,
uint32_t *current, uint32_t *advertised,
uint32_t *supported, uint32_t *peer);
int (*get_next_hop)(const struct in_addr *host, struct in_addr *next_hop,
char **netdev_name);
+ /* Retrieves the status of the device.
+ *
+ * Populates 'sh' with key-value pairs representing the status of the
+ * device. A device's status is a set of key-value string pairs
+ * representing netdev type specific information. For more information see
+ * ovs-vswitchd.conf.db(5).
+ *
+ * The data of 'sh' are heap allocated strings which the caller is
+ * responsible for deallocating.
+ *
+ * This function may be set to null if it would always return EOPNOTSUPP
+ * anyhow. */
+ int (*get_status)(const struct netdev *netdev, struct shash *sh);
+
/* Looks up the ARP table entry for 'ip' on 'netdev' and stores the
* corresponding MAC address in 'mac'. A return value of ENXIO, in
* particular, indicates that there is no ARP table entry for 'ip' on
void (*poll_remove)(struct netdev_notifier *notifier);
};
+int netdev_register_provider(const struct netdev_class *);
+int netdev_unregister_provider(const char *type);
+const struct netdev_class *netdev_lookup_provider(const char *type);
+
extern const struct netdev_class netdev_linux_class;
+extern const struct netdev_class netdev_internal_class;
extern const struct netdev_class netdev_tap_class;
-extern const struct netdev_class netdev_patch_class;
-extern const struct netdev_class netdev_gre_class;
#ifdef __cplusplus
}