dhcp: put option 53 at the beginning2023_10_04.f851084

... unless it is listed in 55.
Many clients expect option 53 at the beginning.
mTCP has this code:
  if ( resp->options[0] != 53 ) {
    TRACE_WARN(( "Dhcp: first option was not a Dhcp msg type\n" ));
    return;
  }

wattcp32 has this:
static int DHCP_is_ack (void)
{
  const BYTE *opt = (const BYTE*) &dhcp_in.dh_opt[4];

  return (opt[0] == DHCP_OPT_MSG_TYPE && opt[1] == 1 && opt[2] == DHCP_ACK);
}
static int DHCP_is_nack (void)
{
  const BYTE *opt = (const BYTE*) &dhcp_in.dh_opt[4];

  return (opt[0] == DHCP_OPT_MSG_TYPE && opt[1] == 1 && opt[2] == DHCP_NAK);
}

Link: https://bugs.passt.top/show_bug.cgi?id=77
Signed-off-by: Stas Sergeev <stsp2@yandex.ru>
[sbrivio: s/options 53/option 53/ and s/other/others/ in comment]
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

0 files changed, 0 insertions, 0 deletions