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net/mlx5: Use u16 for Work Queue buffer fragment size

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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: 388ca8be00 ("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>
This commit is contained in:
Tariq Toukan
2018-08-21 16:04:41 +03:00
committed by Saeed Mahameed
parent 5df816e7f4
commit 8d71e81850
3 changed files with 4 additions and 4 deletions
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2
include/linux/mlx5/driver.h
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@@ -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;