Date: Tue, 18 Apr 2023 13:02:10 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 6bd4bb9bdbad - main - mlx5en(4): Explain why CQE zipping is off. Message-ID: <202304181302.33ID2Awl079122@gitrepo.freebsd.org>
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The branch main has been updated by hselasky: URL: https://cgit.FreeBSD.org/src/commit/?id=6bd4bb9bdbadb76c5502c7972df9f525b909e2f5 commit 6bd4bb9bdbadb76c5502c7972df9f525b909e2f5 Author: Hans Petter Selasky <hselasky@FreeBSD.org> AuthorDate: 2023-04-18 11:12:32 +0000 Commit: Hans Petter Selasky <hselasky@FreeBSD.org> CommitDate: 2023-04-18 13:01:07 +0000 mlx5en(4): Explain why CQE zipping is off. MFC after: 1 week Sponsored by: NVIDIA Networking --- sys/dev/mlx5/mlx5_en/mlx5_en_main.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c index ab0cf49c2e8a..7a11bedffb10 100644 --- a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c +++ b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c @@ -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;
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