diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/params.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/params.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c index 4ad19c981294..a21bd1179477 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c @@ -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) @@ -580,11 +585,16 @@ int mlx5e_mpwrq_validate_xsk(struct mlx5_core_dev *mdev, struct mlx5e_params *pa u8 page_shift = mlx5e_mpwrq_page_shift(mdev, xsk); u16 max_mtu_pkts; - if (!mlx5e_check_fragmented_striding_rq_cap(mdev, page_shift, umr_mode)) + if (!mlx5e_check_fragmented_striding_rq_cap(mdev, page_shift, umr_mode)) { + mlx5_core_err(mdev, "Striding RQ for XSK can't be activated with page_shift %u and umr_mode %d\n", + page_shift, umr_mode); return -EOPNOTSUPP; + } - if (!mlx5e_rx_mpwqe_is_linear_skb(mdev, params, xsk)) + if (!mlx5e_rx_mpwqe_is_linear_skb(mdev, params, xsk)) { + mlx5_core_err(mdev, "Striding RQ linear mode for XSK can't be activated with current params\n"); return -EINVAL; + } /* Current RQ length is too big for the given frame size, the * needed number of WQEs exceeds the maximum. |