Author: whu
Date: Mon Oct 29 15:12:15 2018
New Revision: 339863
URL: https://svnweb.freebsd.org/changeset/base/339863

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
          Differential Revision:  
https://bugs.freebsd.org/bugzilla/attachment.cgi?id=198333&action=diff

Modified:
  stable/11/sys/dev/hyperv/netvsc/if_hn.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/hyperv/netvsc/if_hn.c
==============================================================================
--- stable/11/sys/dev/hyperv/netvsc/if_hn.c     Mon Oct 29 14:37:27 2018        
(r339862)
+++ stable/11/sys/dev/hyperv/netvsc/if_hn.c     Mon Oct 29 15:12:15 2018        
(r339863)
@@ -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);
                }
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