openvswitch: Add vxlan tunneling support.

[firefly-linux-kernel-4.4.55.git] / net / openvswitch / vport.h

diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h
index 68a377bc0841e7bfd0a5b1200a4a3b938adc9251..1a9fbcec6e1bf9c1d9bc95a3ec9d711c02865a82 100644 (file)
--- a/net/openvswitch/vport.h
+++ b/net/openvswitch/vport.h
@@ -34,6 +34,11 @@ struct vport_parms;
 
 /* The following definitions are for users of the vport subsytem: */
 
+/* The following definitions are for users of the vport subsytem: */
+struct vport_net {
+       struct vport __rcu *gre_vport;
+};
+
 int ovs_vport_init(void);
 void ovs_vport_exit(void);
 
@@ -123,9 +128,8 @@ struct vport_parms {
  * existing vport to a &struct sk_buff.  May be %NULL for a vport that does not
  * have any configuration.
  * @get_name: Get the device's name.
- * @get_config: Get the device's configuration.
- * May be null if the device does not have an ifindex.
- * @send: Send a packet on the device.  Returns the length of the packet sent.
+ * @send: Send a packet on the device.  Returns the length of the packet sent,
+ * zero for dropped packets or negative for error.
  */
 struct vport_ops {
        enum ovs_vport_type type;
@@ -139,7 +143,6 @@ struct vport_ops {
 
        /* Called with rcu_read_lock or ovs_mutex. */
        const char *(*get_name)(const struct vport *);
-       void (*get_config)(const struct vport *, void *);
 
        int (*send)(struct vport *, struct sk_buff *);
 };
@@ -154,6 +157,7 @@ enum vport_err_type {
 struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *,
                              const struct vport_parms *);
 void ovs_vport_free(struct vport *);
+void ovs_vport_deferred_free(struct vport *vport);
 
 #define VPORT_ALIGN 8
 
@@ -186,12 +190,22 @@ static inline struct vport *vport_from_priv(const void *priv)
        return (struct vport *)(priv - ALIGN(sizeof(struct vport), VPORT_ALIGN));
 }
 
-void ovs_vport_receive(struct vport *, struct sk_buff *);
+void ovs_vport_receive(struct vport *, struct sk_buff *,
+                      struct ovs_key_ipv4_tunnel *);
 void ovs_vport_record_error(struct vport *, enum vport_err_type err_type);
 
 /* 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;
+
+static inline void ovs_skb_postpush_rcsum(struct sk_buff *skb,
+                                     const void *start, unsigned int len)
+{
+       if (skb->ip_summed == CHECKSUM_COMPLETE)
+               skb->csum = csum_add(skb->csum, csum_partial(start, len, 0));
+}
 
 #endif /* vport.h */