svn commit: r339984 - stable/12/sys/dev/hyperv/netvsc

[Wei Hu]

Author: whu
Date: Thu Nov  1 08:08:08 2018
New Revision: 339984
URL: https://svnweb.freebsd.org/changeset/base/339984

Log:
  MFC r339585:
   Do not drop UDP traffic when TXCSUM_IPV6 flag is on.
  
  PR:		231797
  Submitted by:	whu
  Reviewed by:	dexuan
  Obtained from:	Kevin Morse
  Approved by:	re (rgrimes)
  Sponsored by:	Microsoft

Modified:
  stable/12/sys/dev/hyperv/netvsc/if_hn.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/hyperv/netvsc/if_hn.c
==============================================================================
--- stable/12/sys/dev/hyperv/netvsc/if_hn.c	Thu Nov  1 03:38:57 2018	(r339983)
+++ stable/12/sys/dev/hyperv/netvsc/if_hn.c	Thu Nov  1 08:08:08 2018	(r339984)
@@ -861,7 +861,8 @@ hn_set_hlen(struct mbuf *m_head)
 
 		PULLUP_HDR(m_head, ehlen + sizeof(*ip6));
 		ip6 = mtodo(m_head, ehlen);
-		if (ip6->ip6_nxt != IPPROTO_TCP) {
+		if (ip6->ip6_nxt != IPPROTO_TCP &&
+		    ip6->ip6_nxt != IPPROTO_UDP) {
 			m_freem(m_head);
 			return (NULL);
 		}