diff options
| author |   Lijun Ou <oulijun@huawei.com> | 2019-05-31 18:28:03 +0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2019-06-07 15:01:05 -0300 |
| commit | 4f18904c78495ec16e271ee507709c626e61a62a (patch) | |
| tree | 8558937d597dbf3ad152d57ea4ef28c907831ad7 /drivers/infiniband/hw/hns | |
| parent | RDMA/hns: fix inverted logic of readl read and shift (diff) | |
| download | linux-dev-4f18904c78495ec16e271ee507709c626e61a62a.tar.xz linux-dev-4f18904c78495ec16e271ee507709c626e61a62a.zip | |
RDMA/hns: Bugfix for filling the sge of srq
When user post recv a srq with multiple sges, the hardware will get the
last correct sge and count the sge numbers according to the specific
identifier with lkey. For example, when the driver fills the sges with
every wr less than the max sge that the user configured when creating srq,
the hardware will stop getting the sge according to the specific lkey in
the sge. However, it will always end with the first sge in the current
post srq recv interface implementation.
Fixes: c7bcb13442e1 ("RDMA/hns: Add SRQ support for hip08 kernel mode")
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index ac017c24b200..2d27dc91a823 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -6048,9 +6048,9 @@ static int hns_roce_v2_post_srq_recv(struct ib_srq *ibsrq, } if (i < srq->max_gs) { - dseg->len = 0; - dseg->lkey = cpu_to_le32(0x100); - dseg->addr = 0; + dseg[i].len = 0; + dseg[i].lkey = cpu_to_le32(0x100); + dseg[i].addr = 0; } srq->wrid[wqe_idx] = wr->wr_id; |