extern "C" {
#endif
-/* Generic interface to network devices.
+/* Generic interface to network devices ("netdev"s).
*
- * Currently, there is a single implementation of this interface that supports
- * Linux. The interface should be generic enough to be implementable on other
- * operating systems as well. */
+ * Every port on a switch must have a corresponding netdev that must minimally
+ * support a few operations, such as the ability to read the netdev's MTU.
+ * The PORTING file at the top of the source tree has more information in the
+ * "Writing a netdev Provider" section. */
struct ofpbuf;
struct in_addr;
int netdev_open(const char *name, const char *type, struct netdev **);
void netdev_close(struct netdev *);
-bool netdev_exists(const char *name);
-bool netdev_is_open(const char *name);
-
void netdev_parse_name(const char *netdev_name, char **name, char **type);
/* Options. */