rvt_cmp_msn 187 drivers/infiniband/sw/rdmavt/rc.c if (rvt_cmp_msn(credit, qp->s_lsn) > 0) { rvt_cmp_msn 1001 include/rdma/rdmavt_qp.h rvt_cmp_msn(wqe->ssn, qp->s_lsn + 1) > 0) {