openvswitch: Add tunneling interface.

[mirror_ubuntu-zesty-kernel.git] / net / openvswitch / flow.h

diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index e370f6246ee9599cc533fe5070745864e1c6c622..aec5e43f690b0860bc8f14576c7f2443c70977e1 100644 (file)
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -40,7 +40,22 @@ struct sw_flow_actions {
        struct nlattr actions[];
 };
 
+/* 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;
+       __be32 ipv4_dst;
+       u16  tun_flags;
+       u8   ipv4_tos;
+       u8   ipv4_ttl;
+};
+
 struct sw_flow_key {
+       struct ovs_key_ipv4_tunnel tun_key;  /* Encapsulating tunnel key. */
        struct {
                u32     priority;       /* Packet QoS priority. */
                u32     skb_mark;       /* SKB mark. */
@@ -179,5 +194,9 @@ u32 ovs_flow_hash(const struct sw_flow_key *key, int key_len);
 
 struct sw_flow *ovs_flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *idx);
 extern const int ovs_key_lens[OVS_KEY_ATTR_MAX + 1];
+int ovs_ipv4_tun_from_nlattr(const struct nlattr *attr,
+                        struct ovs_key_ipv4_tunnel *tun_key);
+int ovs_ipv4_tun_to_nlattr(struct sk_buff *skb,
+                       const struct ovs_key_ipv4_tunnel *tun_key);
 
 #endif /* flow.h */