openvswitch: Extend packet attribute for egress tunnel info

[cascardo/linux.git] / net / openvswitch / vport.h

diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h
index 8942125..0635d1d 100644 (file)
--- a/net/openvswitch/vport.h
+++ b/net/openvswitch/vport.h
@@ -58,6 +58,16 @@ u32 ovs_vport_find_upcall_portid(const struct vport *, struct sk_buff *);
 
 int ovs_vport_send(struct vport *, struct sk_buff *);
 
+int ovs_tunnel_get_egress_info(struct ovs_tunnel_info *egress_tun_info,
+                              struct net *net,
+                              const struct ovs_tunnel_info *tun_info,
+                              u8 ipproto,
+                              u32 skb_mark,
+                              __be16 tp_src,
+                              __be16 tp_dst);
+int ovs_vport_get_egress_tun_info(struct vport *vport, struct sk_buff *skb,
+                                 struct ovs_tunnel_info *info);
+
 /* The following definitions are for implementers of vport devices: */
 
 struct vport_err_stats {
@@ -146,6 +156,8 @@ struct vport_parms {
  * @get_name: Get the device's name.
  * @send: Send a packet on the device.  Returns the length of the packet sent,
  * zero for dropped packets or negative for error.
+ * @get_egress_tun_info: Get the egress tunnel 5-tuple and other info for
+ * a packet.
  */
 struct vport_ops {
        enum ovs_vport_type type;
@@ -161,6 +173,11 @@ struct vport_ops {
        const char *(*get_name)(const struct vport *);
 
        int (*send)(struct vport *, struct sk_buff *);
+       int (*get_egress_tun_info)(struct vport *, struct sk_buff *,
+                                  struct ovs_tunnel_info *);
+
+       struct module *owner;
+       struct list_head list;
 };
 
 enum vport_err_type {
@@ -209,14 +226,6 @@ static inline struct vport *vport_from_priv(void *priv)
 void ovs_vport_receive(struct vport *, struct sk_buff *,
                       struct ovs_tunnel_info *);
 
-/* List of statically compiled vport implementations.  Don't forget to also
- * add yours to the list at the top of vport.c. */
-extern const struct vport_ops ovs_netdev_vport_ops;
-extern const struct vport_ops ovs_internal_vport_ops;
-extern const struct vport_ops ovs_gre_vport_ops;
-extern const struct vport_ops ovs_vxlan_vport_ops;
-extern const struct vport_ops ovs_geneve_vport_ops;
-
 static inline void ovs_skb_postpush_rcsum(struct sk_buff *skb,
                                      const void *start, unsigned int len)
 {
@@ -224,4 +233,7 @@ static inline void ovs_skb_postpush_rcsum(struct sk_buff *skb,
                skb->csum = csum_add(skb->csum, csum_partial(start, len, 0));
 }
 
+int ovs_vport_ops_register(struct vport_ops *ops);
+void ovs_vport_ops_unregister(struct vport_ops *ops);
+
 #endif /* vport.h */