#define OVS_TNL_F_CSUM (1 << 1)
#define OVS_TNL_F_KEY (1 << 2)
+/* Used to memset ovs_key_ipv4_tunnel padding. */
+#define OVS_TUNNEL_KEY_SIZE \
+ (offsetof(struct ovs_key_ipv4_tunnel, ipv4_ttl) + \
+ FIELD_SIZEOF(struct ovs_key_ipv4_tunnel, ipv4_ttl))
+
struct ovs_key_ipv4_tunnel {
__be64 tun_id;
__be32 ipv4_src;