summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorCheng Xu <chengyou@linux.alibaba.com>2023-03-20 11:46:50 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-04-20 13:35:07 +0300
commit3570f3cc4aab795cd22a2b3aadce84b8715fa229 (patch)
tree90c37e4e042a579d5ec9765dcf073c149e90bcf7
parent9554a6b5e2ecfe7beeb72e9d48cc54744123ca7c (diff)
downloadlinux-3570f3cc4aab795cd22a2b3aadce84b8715fa229.tar.xz
RDMA/erdma: Update default EQ depth to 4096 and max_send_wr to 8192
[ Upstream commit 6256aa9ae955d10ec73a434533ca62034eff1b76 ] Max EQ depth of hardware is 32K, the current default EQ depth is too small for some applications, so change the default depth to 4096. Max send WRs the hardware can support is 8K, but the driver limits the value to 4K. Remove this limitation. Fixes: be3cff0f242d ("RDMA/erdma: Add the hardware related definitions") Fixes: db23ae64caac ("RDMA/erdma: Add verbs header file") Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com> Link: https://lore.kernel.org/r/20230320084652.16807-3-chengyou@linux.alibaba.com Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/infiniband/hw/erdma/erdma_hw.h2
-rw-r--r--drivers/infiniband/hw/erdma/erdma_verbs.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/erdma/erdma_hw.h b/drivers/infiniband/hw/erdma/erdma_hw.h
index e788887732e1..c533c693e5e3 100644
--- a/drivers/infiniband/hw/erdma/erdma_hw.h
+++ b/drivers/infiniband/hw/erdma/erdma_hw.h
@@ -420,7 +420,7 @@ struct erdma_reg_mr_sqe {
};
/* EQ related. */
-#define ERDMA_DEFAULT_EQ_DEPTH 256
+#define ERDMA_DEFAULT_EQ_DEPTH 4096
/* ceqe */
#define ERDMA_CEQE_HDR_DB_MASK BIT_ULL(63)
diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.h b/drivers/infiniband/hw/erdma/erdma_verbs.h
index ab6380635e9e..eabab8bba95a 100644
--- a/drivers/infiniband/hw/erdma/erdma_verbs.h
+++ b/drivers/infiniband/hw/erdma/erdma_verbs.h
@@ -11,7 +11,7 @@
/* RDMA Capability. */
#define ERDMA_MAX_PD (128 * 1024)
-#define ERDMA_MAX_SEND_WR 4096
+#define ERDMA_MAX_SEND_WR 8192
#define ERDMA_MAX_ORD 128
#define ERDMA_MAX_IRD 128
#define ERDMA_MAX_SGE_RD 1