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;
uint64_t tx_window_errors;
};
+/* Configuration specific to tunnels. */
+struct netdev_tunnel_config {
+ bool in_key_present;
+ bool in_key_flow;
+ ovs_be64 in_key;
+
+ bool out_key_present;
+ bool out_key_flow;
+ ovs_be64 out_key;
+
+ ovs_be16 dst_port;
+
+ ovs_be32 ip_src;
+ ovs_be32 ip_dst;
+
+ uint8_t ttl;
+ bool ttl_inherit;
+
+ uint8_t tos;
+ bool tos_inherit;
+
+ bool csum;
+ bool ipsec;
+ bool dont_fragment;
+};
+
struct netdev;
struct netdev_class;
/* Options. */
int netdev_set_config(struct netdev *, const struct smap *args);
int netdev_get_config(const struct netdev *, struct smap *);
+const struct netdev_tunnel_config *
+ netdev_get_tunnel_config(const struct netdev *);
/* Basic properties. */
const char *netdev_get_name(const struct netdev *);
const char *netdev_get_type(const struct netdev *);
+const char *netdev_get_type_from_name(const char *);
int netdev_get_mtu(const struct netdev *, int *mtup);
int netdev_set_mtu(const struct netdev *, int mtu);
int netdev_get_ifindex(const struct netdev *);