* netbsd/sys/netinet/tcp* (tcp4/6) * bsdi/sys/netinet/tcp* (tcp4) * freebsd2/sys/netinet/tcp* (tcp4) * kame/sys/netinet6/tcp6* (tcp6 for bsdi/freebsd2)   fix TCP MSS computation with IPsec headers.  (1) TCP MSS option   must be mtu - iphdrlen - tcphdrlen.  it is a violation of protocol   spec to decrement option value further.  (2) simplify IPsec header   size offset handling.  this may, or may not come with some   performance hit.
* netbsd/sys/netinet/tcp* (tcp4/6)
* bsdi/sys/netinet/tcp* (tcp4)
* freebsd2/sys/netinet/tcp* (tcp4)
* kame/sys/netinet6/tcp6* (tcp6 for bsdi/freebsd2)
  fix TCP MSS computation with IPsec headers.  (1) TCP MSS option
  must be mtu - iphdrlen - tcphdrlen.  it is a violation of protocol
  spec to decrement option value further.  (2) simplify IPsec header
  size offset handling.  this may, or may not come with some
  performance hit.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame