datapath: Check for backported sctp_compute_cksum().

[sliver-openvswitch.git] / datapath / vport.h

diff --git a/datapath/vport.h b/datapath/vport.h
index 8d262a3..2cf2b18 100644 (file)
--- a/datapath/vport.h
+++ b/datapath/vport.h
@@ -193,7 +193,6 @@ static inline struct vport *vport_from_priv(const void *priv)
 
 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. */
@@ -204,4 +203,10 @@ extern const struct vport_ops ovs_gre64_vport_ops;
 extern const struct vport_ops ovs_vxlan_vport_ops;
 extern const struct vport_ops ovs_lisp_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 */