Commit b80ae281 authored by Adham Faris's avatar Adham Faris Committed by Saeed Mahameed
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net/mlx5e: Add warning when log WQE size is smaller than log stride size 



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: default avatarAdham Faris <afaris@nvidia.com>
Reviewed-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 130b1207

drivers/net/ethernet/mellanox/mlx5/core/en/params.c

+8 −3
Original line number Original line Diff line number Diff line
@@ -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);

	enum mlx5e_mpwrq_umr_mode umr_mode = mlx5e_mpwrq_umr_mode(mdev, xsk);

	u8 page_shift = mlx5e_mpwrq_page_shift(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)

u8 mlx5e_mpwqe_get_min_wqe_bulk(unsigned int wq_sz)