Author: whu
Date: Wed Oct 31 06:24:07 2018
New Revision: 339942
URL: https://svnweb.freebsd.org/changeset/base/339942

Log:
  MFC: 339585
  
      r339585:
        Do not drop UDP traffic when TXCSUM_IPV6 flag is on
  
        PR:             231797
        Submitted by:   whu
        Reviewed by:    dexuan
        Obtained from:  Kevin Morse
        Sponsored by:   Microsoft

Modified:
  stable/10/sys/dev/hyperv/netvsc/if_hn.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/dev/hyperv/netvsc/if_hn.c
==============================================================================
--- stable/10/sys/dev/hyperv/netvsc/if_hn.c     Wed Oct 31 05:17:53 2018        
(r339941)
+++ stable/10/sys/dev/hyperv/netvsc/if_hn.c     Wed Oct 31 06:24:07 2018        
(r339942)
@@ -857,7 +857,8 @@ 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);
                }
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