From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Christoph Hellwig <hch@infradead.org>
Cc: Leon Romanovsky <leonro@mellanox.com>,
RDMA mailing list <linux-rdma@vger.kernel.org>,
Or Gerlitz <ogerlitz@mellanox.com>,
Yamin Friedman <yaminf@mellanox.com>,
Saeed Mahameed <saeedm@mellanox.com>,
linux-netdev <netdev@vger.kernel.org>
Subject: [PATCH mlx5-next v1 1/3] net/mlx5: Expose optimal performance scatter entries capability
Date: Mon, 7 Oct 2019 14:58:17 +0300 [thread overview]
Message-ID: <20191007115819.9211-2-leon@kernel.org> (raw)
In-Reply-To: <20191007115819.9211-1-leon@kernel.org>
From: Yamin Friedman <yaminf@mellanox.com>
Expose maximum scatter entries per RDMA READ for optimal performance.
Signed-off-by: Yamin Friedman <yaminf@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
include/linux/mlx5/mlx5_ifc.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 138c50d5a353..c0bfb1d90dd2 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1153,7 +1153,7 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 log_max_srq[0x5];
u8 reserved_at_b0[0x10];
- u8 reserved_at_c0[0x8];
+ u8 max_sgl_for_optimized_performance[0x8];
u8 log_max_cq_sz[0x8];
u8 reserved_at_d0[0xb];
u8 log_max_cq[0x5];
--
2.20.1
next prev parent reply other threads:[~2019-10-07 11:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-07 11:58 [PATCH rdma-next v1 0/3] Optimize SGL registration Leon Romanovsky
2019-10-07 11:58 ` Leon Romanovsky [this message]
2019-10-07 11:58 ` [PATCH rdma-next v1 2/3] RDMA/rw: Support threshold for registration vs scattering to local pages Leon Romanovsky
2019-10-07 12:12 ` Christoph Hellwig
2019-10-07 12:36 ` Leon Romanovsky
2019-10-07 12:48 ` Christoph Hellwig
2019-10-07 13:17 ` Leon Romanovsky
2019-10-07 11:58 ` [PATCH rdma-next v1 3/3] RDMA/mlx5: Add capability for max sge to get optimized performance Leon Romanovsky
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