TCPOPT_SACK_PERMITTED
{ TCPOPT_SACK_PERMITTED, 0x000008, 2, "sackok" },
case TCPOPT_SACK_PERMITTED:
case TCPOPT_SACK_PERMITTED:
*optp++ = TCPOPT_SACK_PERMITTED;
case TCPOPT_SACK_PERMITTED :
case TCPOPT_SACK_PERMITTED:
opt[0] = TCPOPT_SACK_PERMITTED;
case TCPOPT_SACK_PERMITTED: