refer in_rtqtimo() for freebsd4
address of inner IPv6 header of ICMPv6 error message.
problem) translation, handle problem pointer so long as there is a field corresponding to IPv4 header. When there is no corresponding IPv4 header field, problem pointer has value 0xff. - natpt_icmp6ParamProb() was merged into caller.
* kame/kame/dhcp6: implemented a limited support of prefix delegation based on draft-troan-dhcpv6-opt-prefix-delegation-01.txt. A client sends a solicit with a rapid commit option and an option request option specifying a prefix delegation option. A server responds to the solicit with a reply containing a prefix delegation option. The client accepts the reply and configure an address on specified interfaces using the delegated prefix.
in a debug message.
call natpt_icmp6MimicPayload() in order to make inner IPv4 header. - natpt_icmp6PacketTooBig() is merged into caller.
to ICMPv4 Type 3 (Destination Unreachable) translation, set code to 1 (host unreachable). According to RFC2765 4.2.
based on configuration
ICMPv6->ICMPv4 translation. - Correct total length byte order. - Add DF bit. - Invert source and destination address. - Calculate header checksum.