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| author | Tariq Toukan <tariqt@mellanox.com> | 2018-08-21 15:07:58 +0200 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-09-06 02:08:33 +0200 |
| commit | a09036221092989b88c55d24d1f12ceb1d7d361f (patch) | |
| tree | e235e50a7bbeda8b57607a12aa15c57ec5a6cafa /include | |
| parent | net/mlx5: Use u16 for Work Queue buffer fragment size (diff) | |
| download | linux-a09036221092989b88c55d24d1f12ceb1d7d361f.tar.xz linux-a09036221092989b88c55d24d1f12ceb1d7d361f.zip | |
net/mlx5: Use u16 for Work Queue buffer strides offset
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: d7037ad73daa ("net/mlx5: Fix QP fragmented buffer allocation")
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')
| -rw-r--r-- | include/linux/mlx5/driver.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 3a1258fd8ac3..66d94b4557cf 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -363,7 +363,7 @@ struct mlx5_frag_buf_ctrl { struct mlx5_frag_buf frag_buf; u32 sz_m1; u16 frag_sz_m1; - u32 strides_offset; + u16 strides_offset; u8 log_sz; u8 log_stride; u8 log_frag_strides; @@ -995,7 +995,7 @@ static inline u32 mlx5_base_mkey(const u32 key) } static inline void mlx5_fill_fbc_offset(u8 log_stride, u8 log_sz, - u32 strides_offset, + u16 strides_offset, struct mlx5_frag_buf_ctrl *fbc) { fbc->log_stride = log_stride; |