Re: [PATCH net-next V2 4/6] net/mlx5e: SHAMPO, Cleanup reservation size formula
From: Jakub Kicinski
Date: Thu Jul 17 2025 - 21:53:30 EST
On Wed, 16 Jul 2025 17:17:50 +0300 Tariq Toukan wrote:
> - int rsrv_size = BIT(mlx5e_shampo_get_log_rsrv_size(mdev, params)) *
> - MLX5E_SHAMPO_WQ_BASE_RESRV_SIZE;
> u16 num_strides = BIT(mlx5e_mpwqe_get_log_num_strides(mdev, params, xsk));
> - int pkt_per_rsrv = BIT(mlx5e_shampo_get_log_pkt_per_rsrv(mdev, params));
> + int pkt_per_rsrv = BIT(mlx5e_shampo_get_log_pkt_per_rsrv(params));
> u8 log_stride_sz = mlx5e_mpwqe_get_log_stride_size(mdev, params, xsk);
> int wq_size = BIT(mlx5e_mpwqe_get_log_rq_size(mdev, params, xsk));
> int wqe_size = BIT(log_stride_sz) * num_strides;
> + int rsrv_size = MLX5E_SHAMPO_WQ_RESRV_SIZE;
So you fixed placement of rsrv_size for RCT but the change
to pkt_per_rsrv is still breaking the order :(
I'll pick the first 3 patches up, they look unrelated.