OPTION_SACK_ADVERTISE
opts->options |= OPTION_SACK_ADVERTISE;
opts->options |= OPTION_SACK_ADVERTISE;
if (unlikely(OPTION_SACK_ADVERTISE & options)) {
options &= ~OPTION_SACK_ADVERTISE;
if (unlikely(OPTION_SACK_ADVERTISE & options)) {
if ((opts->options & (OPTION_SACK_ADVERTISE | OPTION_TS)) ==
OPTION_SACK_ADVERTISE)