Signed-off-by: NSamuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: NThomas Huth <thuth@redhat.com>

Add the handler code for incoming TFTP packets to udp6_input(),
and make sure that the TFTP code can send packets with both,
udp_output() and udp6_output() by introducing a wrapper function
called tftp_udp_output().
Signed-off-by: NThomas Huth <thuth@redhat.com>
Signed-off-by: NSamuel Thibault <samuel.thibault@ens-lyon.org>

This adds the sin6 case in the fhost and lhost unions and related macros.
It adds udp6_input() and udp6_output().
It adds the IPv6 case in sorecvfrom().
Finally, udp_input() is called by ip6_input().
Signed-off-by: NGuillaume Subiron <maethor@subiron.org>
Signed-off-by: NSamuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: NThomas Huth <thuth@redhat.com>