SCTP_STATE_COOKIE_ECHOED
if (asoc->state < SCTP_STATE_COOKIE_ECHOED)
case SCTP_STATE_COOKIE_ECHOED:
case SCTP_STATE_COOKIE_ECHOED:
if (asoc->state <= SCTP_STATE_COOKIE_ECHOED) {
SCTP_STATE(SCTP_STATE_COOKIE_ECHOED));