43 		       u32 psn, u32 pmtu)  in restart_sge()  argument
47 	len = ((psn - wqe->psn) & QIB_PSN_MASK) * pmtu;  in restart_sge()
134 			qp->s_ack_rdma_psn = e->psn;  in qib_make_rc_ack()
144 			bth2 = e->psn & QIB_PSN_MASK;  in qib_make_rc_ack()
302 			qp->s_psn = wqe->psn;  in qib_make_rc_req()
551 		len = ((qp->s_psn - wqe->psn) & QIB_PSN_MASK) * pmtu;  in qib_make_rc_req()
569 	delta = (((int) bth2 - (int) wqe->psn) << 8) >> 8;  in qib_make_rc_req()
735 static void reset_psn(struct rvt_qp *qp, u32 psn)  in reset_psn()  argument
747 	if (qib_cmp24(psn, wqe->psn) <= 0) {  in reset_psn()
762 		diff = qib_cmp24(psn, wqe->psn);  in reset_psn()
805 	qp->s_psn = psn;  in reset_psn()
820 void qib_restart_rc(struct rvt_qp *qp, u32 psn, int wait)  in qib_restart_rc()  argument
842 		ibp->rvp.n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;  in qib_restart_rc()
849 	reset_psn(qp, psn);  in qib_restart_rc()
856 static void reset_sending_psn(struct rvt_qp *qp, u32 psn)  in reset_sending_psn()  argument
864 		if (qib_cmp24(psn, wqe->lpsn) <= 0) {  in reset_sending_psn()
868 				qp->s_sending_psn = psn + 1;  in reset_sending_psn()
886 	u32 psn;  in qib_rc_send_complete()  local
905 	psn = be32_to_cpu(ohdr->bth[2]);  in qib_rc_send_complete()
906 	reset_sending_psn(qp, psn);  in qib_rc_send_complete()
912 	if ((psn & IB_BTH_REQ_ACK) && qp->s_acked != qp->s_tail &&  in qib_rc_send_complete()
940 static inline void update_last_psn(struct rvt_qp *qp, u32 psn)  in update_last_psn()  argument
942 	qp->s_last_psn = psn;  in update_last_psn()
983 			qp->s_psn = wqe->psn;  in do_rc_completion()
1006 static int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode,  in do_rc_ack()  argument
1022 	ack_psn = psn;  in do_rc_ack()
1116 			if (qib_cmp24(qp->s_psn, psn) <= 0)  in do_rc_ack()
1117 				reset_psn(qp, psn + 1);  in do_rc_ack()
1121 			if (qib_cmp24(qp->s_psn, psn) <= 0) {  in do_rc_ack()
1123 				qp->s_psn = psn + 1;  in do_rc_ack()
1133 		update_last_psn(qp, psn);  in do_rc_ack()
1150 		update_last_psn(qp, psn - 1);  in do_rc_ack()
1152 		ibp->rvp.n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;  in do_rc_ack()
1154 		reset_psn(qp, psn);  in do_rc_ack()
1165 		update_last_psn(qp, psn - 1);  in do_rc_ack()
1176 			qib_restart_rc(qp, psn, 0);  in do_rc_ack()
1223 static void rdma_seq_err(struct rvt_qp *qp, struct qib_ibport *ibp, u32 psn,  in rdma_seq_err()  argument
1233 	while (qib_cmp24(psn, wqe->lpsn) > 0) {  in rdma_seq_err()
1272 			    u32 psn, u32 hdrsize, u32 pmtu,  in qib_rc_rcv_resp()  argument
1289 		if ((qib_cmp24(psn, qp->s_sending_psn) >= 0) &&  in qib_rc_rcv_resp()
1312 	if (qib_cmp24(psn, READ_ONCE(qp->s_next_psn)) >= 0)  in qib_rc_rcv_resp()
1316 	diff = qib_cmp24(psn, qp->s_last_psn);  in qib_rc_rcv_resp()
1332 		if (qib_cmp24(psn, qp->s_last_psn + 1) != 0)  in qib_rc_rcv_resp()
1351 		if (!do_rc_ack(qp, aeth, psn, opcode, val, rcd) ||  in qib_rc_rcv_resp()
1364 						  wqe, psn, pmtu);  in qib_rc_rcv_resp()
1369 		if (unlikely(qib_cmp24(psn, qp->s_last_psn + 1)))  in qib_rc_rcv_resp()
1397 		update_last_psn(qp, psn);  in qib_rc_rcv_resp()
1405 		if (!do_rc_ack(qp, aeth, psn, opcode, 0, rcd))  in qib_rc_rcv_resp()
1423 						  wqe, psn, pmtu);  in qib_rc_rcv_resp()
1428 		if (unlikely(qib_cmp24(psn, qp->s_last_psn + 1)))  in qib_rc_rcv_resp()
1449 		(void) do_rc_ack(qp, aeth, psn,  in qib_rc_rcv_resp()
1459 	rdma_seq_err(qp, ibp, psn, rcd);  in qib_rc_rcv_resp()
1494 			    u32 psn,  in qib_rc_rcv_error()  argument
1567 		if (qib_cmp24(psn, e->psn) >= 0) {  in qib_rc_rcv_error()
1569 			    qib_cmp24(psn, e->lpsn) <= 0)  in qib_rc_rcv_error()
1595 		offset = ((psn - e->psn) & QIB_PSN_MASK) *  in qib_rc_rcv_error()
1618 		e->psn = psn;  in qib_rc_rcv_error()
1643 		if (!(psn & IB_BTH_REQ_ACK) || old_req)  in qib_rc_rcv_error()
1663 			qp->r_ack_psn = qp->s_ack_queue[i].psn - 1;  in qib_rc_rcv_error()
1718 	u32 psn;  in qib_rc_rcv()  local
1740 	psn = be32_to_cpu(ohdr->bth[2]);  in qib_rc_rcv()
1751 		qib_rc_rcv_resp(ibp, ohdr, data, tlen, qp, opcode, psn,  in qib_rc_rcv()
1757 	diff = qib_cmp24(psn, qp->r_psn);  in qib_rc_rcv()
1759 		if (qib_rc_rcv_error(ohdr, data, qp, opcode, psn, diff, rcd))  in qib_rc_rcv()
1983 		e->psn = psn;  in qib_rc_rcv()
2051 		e->psn = psn;  in qib_rc_rcv()
2052 		e->lpsn = psn;  in qib_rc_rcv()
2072 	qp->r_ack_psn = psn;  in qib_rc_rcv()
2075 	if (psn & (1 << 31))  in qib_rc_rcv()