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| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-17 14:57:46 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-12-17 14:57:46 +0100 |
| commit | 4dccc93f1e7f4e2fd92a48c40a7ac9211a029352 (patch) | |
| tree | 717a183f0dba200a882126cf095f38e319302c51 /include/linux/mlx4/device.h | |
| parent | d4eed63bb8a3749a6cf19bbc98c943fafb4a826d (diff) | |
| parent | 9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff) | |
Merge tag 'v4.4-rc5' into devel
Linux 4.4-rc5
Diffstat (limited to 'include/linux/mlx4/device.h')
| -rw-r--r-- | include/linux/mlx4/device.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 7501626ab529..d3133be12d92 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -427,6 +427,17 @@ enum { }; enum { + /* + * Max wqe size for rdma read is 512 bytes, so this + * limits our max_sge_rd as the wqe needs to fit: + * - ctrl segment (16 bytes) + * - rdma segment (16 bytes) + * - scatter elements (16 bytes each) + */ + MLX4_MAX_SGE_RD = (512 - 16 - 16) / 16 +}; + +enum { MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14, MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15, MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16, |