* sys/netinet/ip_encap.c: add new api, encap_attach_func(), which   allows you to attach decapsulator with packet matcher function. * sys/net/if_stf.c: 6to4 tunnel support. (compiles on netbsd only at   this moment)
* sys/netinet/ip_encap.c: add new api, encap_attach_func(), which
  allows you to attach decapsulator with packet matcher function.
* sys/net/if_stf.c: 6to4 tunnel support. (compiles on netbsd only at
  this moment)

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