diff options
| author | Tariq Toukan <tariqt@mellanox.com> | 2018-08-21 16:04:41 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-09-05 17:08:33 -0700 |
| commit | 8d71e818506718e8d7032ce824b5c74a17d4f7a5 (patch) | |
| tree | 1c20f622f9f26092a94a121d782b38f68ca4302f /drivers/net/ethernet/mellanox/mlx5/core/wq.c | |
| parent | 5df816e7f43f1297c40021ef17ec6e722b45c82f (diff) | |
| download | linux-8d71e818506718e8d7032ce824b5c74a17d4f7a5.tar.bz2 | |
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 'drivers/net/ethernet/mellanox/mlx5/core/wq.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/wq.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c index c8c315eb5128..d838af9539b1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/wq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.c @@ -39,9 +39,9 @@ u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq) return (u32)wq->fbc.sz_m1 + 1; } -u32 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq) +u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq) { - return (u32)wq->fbc.frag_sz_m1 + 1; + return wq->fbc.frag_sz_m1 + 1; } u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq) |