SCTP_MIN_RWND
if ((ntohl(init->a_rwnd) < SCTP_MIN_RWND) ||
(ntohl(init_ack->a_rwnd) < SCTP_MIN_RWND) ||
if (rwnd_req < SCTP_MIN_RWND)
rwnd_req = SCTP_MIN_RWND;
if (ntohl(init.init.a_rwnd) < SCTP_MIN_RWND)