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authorLang Cheng <chenglang@huawei.com>2020-03-26 06:40:17 +0300
committerJason Gunthorpe <jgg@mellanox.com>2020-03-29 17:04:21 +0300
commit019cd05ce59d1f7c9cde4b77237d2c5fd114ce83 (patch)
tree22e2da06d4104266913948867ad981d3c97b89bd /drivers/infiniband
parent9d04d56c47b11962391b96202e181042941e30b3 (diff)
downloadlinux-019cd05ce59d1f7c9cde4b77237d2c5fd114ce83.tar.xz
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.h7
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