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mlx5en(4): Explain why CQE zipping is off.

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MFC after:	1 week
Sponsored by:	NVIDIA Networking
This commit is contained in:
Hans Petter Selasky 2023-04-18 13:12:32 +02:00
parent 80b4ef6d10
commit 6bd4bb9bdb
1 changed files with 4 additions and 3 deletions
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7
sys/dev/mlx5/mlx5_en/mlx5_en_main.c
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@ -3873,9 +3873,10 @@ mlx5e_build_ifp_priv(struct mlx5_core_dev *mdev,
priv->params.lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ;
/*
* CQE zipping is currently defaulted to off. when it won't
* anymore we will consider the HW capability:
* "!!MLX5_CAP_GEN(mdev, cqe_compression)"
* CQE zipping is off, because the per-packet 32-bit Toeplitz hash
* is then not supported. The 32-bit Toeplitz hash is needed to
* correctly demultiplex incoming traffic into the expected
* network queues.
*/
priv->params.cqe_zipping_en = false;