for SIOCGPRLST_IN6 ioctl.
luckily the ioctl is now obsolete, and therefore, we don't need to dance OSIOCGPRLST_IN6/SIOCGPRLST_IN6 trick. do not change published structure types without care! (rev 1.70 of nd6.h)
backward-incompatible manner. luckily no *BSD release pulled it in, and the ioctl is obsolete.
in the case of transport mode.
information that a user set. This change is a preparations of addition of configuration syntax for ipv4->ipv6 translation.
when pfkey message relative to SA is sent, the prefixlen was incorrect.
'too small seqno' binding ack. - specify MT_HEADER when allocating a packet header with MGETHDR instead of MT_DATA.