github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-02 11:33:28 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net/mlx5e: Add warning when log WQE size is smaller than log stride size

Browse Source 
Add warning macro in the function mlx5e_mpwqe_get_log_num_strides()
when log WQE size is smaller than log stride size. Theoretically this
should not happen.

Signed-off-by: Adham Faris <afaris@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Adham Faris 2023-01-15 10:21:11 +02:00 committed by Saeed Mahameed
parent 130b12079f
commit b80ae28127
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/ethernet/mellanox/mlx5/core/en/params.c
View File

@ -411,9 +411,14 @@ u8 mlx5e_mpwqe_get_log_num_strides(struct mlx5_core_dev *mdev,
{
enum mlx5e_mpwrq_umr_mode umr_mode = mlx5e_mpwrq_umr_mode(mdev, xsk);
u8 page_shift = mlx5e_mpwrq_page_shift(mdev, xsk);
u8 log_wqe_size, log_stride_size;
return mlx5e_mpwrq_log_wqe_sz(mdev, page_shift, umr_mode) -
mlx5e_mpwqe_get_log_stride_size(mdev, params, xsk);
log_wqe_size = mlx5e_mpwrq_log_wqe_sz(mdev, page_shift, umr_mode);
log_stride_size = mlx5e_mpwqe_get_log_stride_size(mdev, params, xsk);
WARN(log_wqe_size < log_stride_size,
"Log WQE size %u < log stride size %u (page shift %u, umr mode %d, xsk on? %d)\n",
log_wqe_size, log_stride_size, page_shift, umr_mode, !!xsk);
return log_wqe_size - log_stride_size;
}
u8 mlx5e_mpwqe_get_min_wqe_bulk(unsigned int wq_sz)