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| author | Lijun Ou <oulijun@huawei.com> | 2016-09-15 23:48:09 +0100 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-10-03 11:43:10 -0400 |
| commit | c24bf895c56157e4d0fba7717ed565f2f3fc25aa (patch) | |
| tree | 96d32e68c9108455b2ae0543af522685e466dc99 /drivers/infiniband/hw | |
| parent | a74aab6c2fdbd9f9501638f67ebedce49d9a8195 (diff) | |
| download | blackbird-op-linux-c24bf895c56157e4d0fba7717ed565f2f3fc25aa.tar.gz blackbird-op-linux-c24bf895c56157e4d0fba7717ed565f2f3fc25aa.zip | |
IB/hns: Fix two possible bugs for rdma cm
Fix the length of wqe that maybe lead to an error and
write the end bytes of QP1C into the register.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 399f5dedaf2d..aaea95c99f02 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -205,8 +205,7 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, (wr->send_flags & IB_SEND_FENCE ? (cpu_to_le32(HNS_ROCE_WQE_FENCE)) : 0); - wqe = (struct hns_roce_wqe_ctrl_seg *)wqe + - sizeof(struct hns_roce_wqe_ctrl_seg); + wqe += sizeof(struct hns_roce_wqe_ctrl_seg); switch (wr->opcode) { case IB_WR_RDMA_READ: @@ -235,8 +234,7 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, break; } ctrl->flag |= cpu_to_le32(ps_opcode); - wqe = (struct hns_roce_wqe_raddr_seg *)wqe + - sizeof(struct hns_roce_wqe_raddr_seg); + wqe += sizeof(struct hns_roce_wqe_raddr_seg); dseg = wqe; if (wr->send_flags & IB_SEND_INLINE && wr->num_sge) { @@ -253,8 +251,7 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, memcpy(wqe, ((void *) (uintptr_t) wr->sg_list[i].addr), wr->sg_list[i].length); - wqe = (struct hns_roce_wqe_raddr_seg *) - wqe + wr->sg_list[i].length; + wqe += wr->sg_list[i].length; } ctrl->flag |= HNS_ROCE_WQE_INLINE; } else { @@ -1795,6 +1792,7 @@ static int hns_roce_v1_m_sqp(struct ib_qp *ibqp, const struct ib_qp_attr *attr, writel(context->qp1c_bytes_28, addr + 6); writel(context->qp1c_bytes_32, addr + 7); writel(context->cur_sq_wqe_ba_l, addr + 8); + writel(context->qp1c_bytes_40, addr + 9); } /* Modify QP1C status */ |
