SCTP_IERROR_DUP_TSN 2810 net/sctp/sm_statefuns.c case SCTP_IERROR_DUP_TSN: SCTP_IERROR_DUP_TSN 2920 net/sctp/sm_statefuns.c case SCTP_IERROR_DUP_TSN: SCTP_IERROR_DUP_TSN 5830 net/sctp/sm_statefuns.c return SCTP_IERROR_DUP_TSN;