44 		       u32 psn, u32 pmtu)  in restart_sge()  argument
48 	len = ((psn - wqe->psn) & QIB_PSN_MASK) * pmtu;  in restart_sge()
149 			qp->s_ack_rdma_psn = e->psn;  in qib_make_rc_ack()
162 			bth2 = e->psn & QIB_PSN_MASK;  in qib_make_rc_ack()
323 			wqe->psn = qp->s_next_psn;  in qib_make_rc_req()
343 			wqe->lpsn = wqe->psn;  in qib_make_rc_req()
383 			wqe->lpsn = wqe->psn;  in qib_make_rc_req()
458 				wqe->lpsn = wqe->psn;  in qib_make_rc_req()
600 		len = ((qp->s_psn - wqe->psn) & QIB_PSN_MASK) * pmtu;  in qib_make_rc_req()
618 	delta = (((int) bth2 - (int) wqe->psn) << 8) >> 8;  in qib_make_rc_req()
785 static void reset_psn(struct qib_qp *qp, u32 psn)  in reset_psn()  argument
797 	if (qib_cmp24(psn, wqe->psn) <= 0) {  in reset_psn()
812 		diff = qib_cmp24(psn, wqe->psn);  in reset_psn()
855 	qp->s_psn = psn;  in reset_psn()
870 static void qib_restart_rc(struct qib_qp *qp, u32 psn, int wait)  in qib_restart_rc()  argument
892 		ibp->n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;  in qib_restart_rc()
899 	reset_psn(qp, psn);  in qib_restart_rc()
946 static void reset_sending_psn(struct qib_qp *qp, u32 psn)  in reset_sending_psn()  argument
954 		if (qib_cmp24(psn, wqe->lpsn) <= 0) {  in reset_sending_psn()
958 				qp->s_sending_psn = psn + 1;  in reset_sending_psn()
978 	u32 psn;  in qib_rc_send_complete()  local
997 	psn = be32_to_cpu(ohdr->bth[2]);  in qib_rc_send_complete()
998 	reset_sending_psn(qp, psn);  in qib_rc_send_complete()
1004 	if ((psn & IB_BTH_REQ_ACK) && qp->s_acked != qp->s_tail &&  in qib_rc_send_complete()
1046 static inline void update_last_psn(struct qib_qp *qp, u32 psn)  in update_last_psn()  argument
1048 	qp->s_last_psn = psn;  in update_last_psn()
1106 			qp->s_psn = wqe->psn;  in do_rc_completion()
1129 static int do_rc_ack(struct qib_qp *qp, u32 aeth, u32 psn, int opcode,  in do_rc_ack()  argument
1151 	ack_psn = psn;  in do_rc_ack()
1245 			if (qib_cmp24(qp->s_psn, psn) <= 0)  in do_rc_ack()
1246 				reset_psn(qp, psn + 1);  in do_rc_ack()
1247 		} else if (qib_cmp24(qp->s_psn, psn) <= 0) {  in do_rc_ack()
1249 			qp->s_psn = psn + 1;  in do_rc_ack()
1258 		update_last_psn(qp, psn);  in do_rc_ack()
1276 		update_last_psn(qp, psn - 1);  in do_rc_ack()
1278 		ibp->n_rc_resends += (qp->s_psn - psn) & QIB_PSN_MASK;  in do_rc_ack()
1280 		reset_psn(qp, psn);  in do_rc_ack()
1295 		update_last_psn(qp, psn - 1);  in do_rc_ack()
1306 			qib_restart_rc(qp, psn, 0);  in do_rc_ack()
1352 static void rdma_seq_err(struct qib_qp *qp, struct qib_ibport *ibp, u32 psn,  in rdma_seq_err()  argument
1365 	while (qib_cmp24(psn, wqe->lpsn) > 0) {  in rdma_seq_err()
1404 			    u32 psn, u32 hdrsize, u32 pmtu,  in qib_rc_rcv_resp()  argument
1421 		if ((qib_cmp24(psn, qp->s_sending_psn) >= 0) &&  in qib_rc_rcv_resp()
1444 	if (qib_cmp24(psn, qp->s_next_psn) >= 0)  in qib_rc_rcv_resp()
1448 	diff = qib_cmp24(psn, qp->s_last_psn);  in qib_rc_rcv_resp()
1464 		if (qib_cmp24(psn, qp->s_last_psn + 1) != 0)  in qib_rc_rcv_resp()
1486 		if (!do_rc_ack(qp, aeth, psn, opcode, val, rcd) ||  in qib_rc_rcv_resp()
1499 						  wqe, psn, pmtu);  in qib_rc_rcv_resp()
1504 		if (unlikely(qib_cmp24(psn, qp->s_last_psn + 1)))  in qib_rc_rcv_resp()
1533 		update_last_psn(qp, psn);  in qib_rc_rcv_resp()
1540 		if (!do_rc_ack(qp, aeth, psn, opcode, 0, rcd))  in qib_rc_rcv_resp()
1558 						  wqe, psn, pmtu);  in qib_rc_rcv_resp()
1563 		if (unlikely(qib_cmp24(psn, qp->s_last_psn + 1)))  in qib_rc_rcv_resp()
1583 		(void) do_rc_ack(qp, aeth, psn,  in qib_rc_rcv_resp()
1593 	rdma_seq_err(qp, ibp, psn, rcd);  in qib_rc_rcv_resp()
1628 			    u32 psn,  in qib_rc_rcv_error()  argument
1701 		if (qib_cmp24(psn, e->psn) >= 0) {  in qib_rc_rcv_error()
1703 			    qib_cmp24(psn, e->lpsn) <= 0)  in qib_rc_rcv_error()
1729 		offset = ((psn - e->psn) & QIB_PSN_MASK) *  in qib_rc_rcv_error()
1752 		e->psn = psn;  in qib_rc_rcv_error()
1777 		if (!(psn & IB_BTH_REQ_ACK) || old_req)  in qib_rc_rcv_error()
1797 			qp->r_ack_psn = qp->s_ack_queue[i].psn - 1;  in qib_rc_rcv_error()
1871 	u32 psn;  in qib_rc_rcv()  local
1893 	psn = be32_to_cpu(ohdr->bth[2]);  in qib_rc_rcv()
1904 		qib_rc_rcv_resp(ibp, ohdr, data, tlen, qp, opcode, psn,  in qib_rc_rcv()
1910 	diff = qib_cmp24(psn, qp->r_psn);  in qib_rc_rcv()
1912 		if (qib_rc_rcv_error(ohdr, data, qp, opcode, psn, diff, rcd))  in qib_rc_rcv()
2146 		e->psn = psn;  in qib_rc_rcv()
2215 		e->psn = psn;  in qib_rc_rcv()
2216 		e->lpsn = psn;  in qib_rc_rcv()
2236 	qp->r_ack_psn = psn;  in qib_rc_rcv()
2239 	if (psn & (1 << 31))  in qib_rc_rcv()