MAC_TYPE_XMAC
vars->mac_type = MAC_TYPE_XMAC;
vars->mac_type = MAC_TYPE_XMAC;
if (vars->mac_type == MAC_TYPE_XMAC)
vars->mac_type = MAC_TYPE_XMAC;
case MAC_TYPE_XMAC: /* handled by MSTAT */
case MAC_TYPE_XMAC: