diff options
| author | Lang Cheng <chenglang@huawei.com> | 2020-03-26 04:40:17 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-03-29 16:04:21 +0200 |
| commit | 019cd05ce59d1f7c9cde4b77237d2c5fd114ce83 (patch) | |
| tree | 22e2da06d4104266913948867ad981d3c97b89bd | |
| parent | RDMA/hns: Reduce PFC frames in congestion scenarios (diff) | |
| download | linux-019cd05ce59d1f7c9cde4b77237d2c5fd114ce83.tar.xz linux-019cd05ce59d1f7c9cde4b77237d2c5fd114ce83.zip | |
RDMA/hns: Reduce the maximum number of extend SGE per WQE
Just reduce the default number to 64 for backward compatibility, the
driver can still get this configuration from the firmware.
Link: https://lore.kernel.org/r/1585194018-4381-3-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index 7c999536a4c5..c74bf3cdc9b1 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -50,15 +50,14 @@ #define HNS_ROCE_V2_MAX_WQE_NUM 0x8000 #define HNS_ROCE_V2_MAX_SRQ 0x100000 #define HNS_ROCE_V2_MAX_SRQ_WR 0x8000 -#define HNS_ROCE_V2_MAX_SRQ_SGE 0x100 +#define HNS_ROCE_V2_MAX_SRQ_SGE 64 #define HNS_ROCE_V2_MAX_CQ_NUM 0x100000 #define HNS_ROCE_V2_MAX_CQC_TIMER_NUM 0x100 #define HNS_ROCE_V2_MAX_SRQ_NUM 0x100000 #define HNS_ROCE_V2_MAX_CQE_NUM 0x400000 #define HNS_ROCE_V2_MAX_SRQWQE_NUM 0x8000 -#define HNS_ROCE_V2_MAX_RQ_SGE_NUM 0x100 -#define HNS_ROCE_V2_MAX_SQ_SGE_NUM 0xff -#define HNS_ROCE_V2_MAX_SRQ_SGE_NUM 0x100 +#define HNS_ROCE_V2_MAX_RQ_SGE_NUM 64 +#define HNS_ROCE_V2_MAX_SQ_SGE_NUM 64 #define HNS_ROCE_V2_MAX_EXTEND_SGE_NUM 0x200000 #define HNS_ROCE_V2_MAX_SQ_INLINE 0x20 #define HNS_ROCE_V2_UAR_NUM 256 |