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| author | Tariq Toukan <tariqt@mellanox.com> | 2018-08-21 16:04:41 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-09-06 03:08:33 +0300 |
| commit | 8d71e818506718e8d7032ce824b5c74a17d4f7a5 (patch) | |
| tree | 1c20f622f9f26092a94a121d782b38f68ca4302f /include/linux | |
| parent | 5df816e7f43f1297c40021ef17ec6e722b45c82f (diff) | |
| download | linux-8d71e818506718e8d7032ce824b5c74a17d4f7a5.tar.xz | |
net/mlx5: Use u16 for Work Queue buffer fragment size
Minimal stride size is 16.
Hence, the number of strides in a fragment (of PAGE_SIZE)
is <= PAGE_SIZE / 16 <= 4K.
u16 is sufficient to represent this.
Fixes: 388ca8be0037 ("IB/mlx5: Implement fragmented completion queue (CQ)")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mlx5/driver.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index aa65f58c6610..3a1258fd8ac3 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -362,7 +362,7 @@ struct mlx5_frag_buf { struct mlx5_frag_buf_ctrl { struct mlx5_frag_buf frag_buf; u32 sz_m1; - u32 frag_sz_m1; + u16 frag_sz_m1; u32 strides_offset; u8 log_sz; u8 log_stride; |