K 10
svn:author
V 2
bz
K 8
svn:date
V 27
2012-07-08T12:12:34.072064Z
K 7
svn:log
V 442
MFC r235961:

   Add code to handle pre-checked TCP checksums as indicated by mbuf
   flags to save the entire computation for validation if not needed.

   In the IPv6 TCP output path only compute the pseudo-header checksum,
   set the checksum offset in the mbuf field along the appropriate flag
   as done in IPv4.

   In tcp_respond() just initialize the IPv6 payload length to 0 as
   ip6_output() will properly set it.

Approved by:	re

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