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-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 19765f6f8d58..07c13be07a4a 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1727,23 +1727,7 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
1727 1727
1728 ind = qp->rq.next_ind; 1728 ind = qp->rq.next_ind;
1729 1729
1730 for (nreq = 0; wr; ++nreq, wr = wr->next) { 1730 for (nreq = 0; wr; wr = wr->next) {
1731 if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) {
1732 nreq = 0;
1733
1734 doorbell[0] = cpu_to_be32((qp->rq.next_ind << qp->rq.wqe_shift) | size0);
1735 doorbell[1] = cpu_to_be32(qp->qpn << 8);
1736
1737 wmb();
1738
1739 mthca_write64(doorbell,
1740 dev->kar + MTHCA_RECEIVE_DOORBELL,
1741 MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
1742
1743 qp->rq.head += MTHCA_TAVOR_MAX_WQES_PER_RECV_DB;
1744 size0 = 0;
1745 }
1746
1747 if (mthca_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { 1731 if (mthca_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
1748 mthca_err(dev, "RQ %06x full (%u head, %u tail," 1732 mthca_err(dev, "RQ %06x full (%u head, %u tail,"
1749 " %d max, %d nreq)\n", qp->qpn, 1733 " %d max, %d nreq)\n", qp->qpn,
@@ -1797,6 +1781,23 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
1797 ++ind; 1781 ++ind;
1798 if (unlikely(ind >= qp->rq.max)) 1782 if (unlikely(ind >= qp->rq.max))
1799 ind -= qp->rq.max; 1783 ind -= qp->rq.max;
1784
1785 ++nreq;
1786 if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) {
1787 nreq = 0;
1788
1789 doorbell[0] = cpu_to_be32((qp->rq.next_ind << qp->rq.wqe_shift) | size0);
1790 doorbell[1] = cpu_to_be32(qp->qpn << 8);
1791
1792 wmb();
1793
1794 mthca_write64(doorbell,
1795 dev->kar + MTHCA_RECEIVE_DOORBELL,
1796 MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
1797
1798 qp->rq.head += MTHCA_TAVOR_MAX_WQES_PER_RECV_DB;
1799 size0 = 0;
1800 }
1800 } 1801 }
1801 1802
1802out: 1803out: