From: Stephen Hemminger <stephen@networkplumber.org>
To: Alexander Kozyrev <akozyrev@nvidia.com>
Cc: <dev@dpdk.org>, <stable@dpdk.org>, <rasland@nvidia.com>,
<viacheslavo@nvidia.com>, <matan@nvidia.com>
Subject: Re: [PATCH] drivers: fix error CQE handling
Date: Thu, 3 Oct 2024 12:14:57 -0700 [thread overview]
Message-ID: <20241003121457.37537b40@hermes.local> (raw)
In-Reply-To: <20230502184922.3249201-1-akozyrev@nvidia.com>
On Tue, 2 May 2023 21:49:22 +0300
Alexander Kozyrev <akozyrev@nvidia.com> wrote:
> The completion queue element size can be independently configured
> to report either 64 or 128 bytes CQEs by programming cqe_sz parameter
> at CQ creation. This parameter depends on the cache line size and
> affects both regular CQEs and error CQEs. But the error handling
> assumes that an error CQE is 64 bytes and doesn't take the padding
> into consideration on platforms with 128-byte cache lines.
> Fix the error CQE size in all error handling routines in mlx5.
>
> Fixes: 957e45fb7b ("net/mlx5: handle Tx completion with error")
> Cc: stable@dpdk.org
>
> Signed-off-by: Alexander Kozyrev <akozyrev@nvidia.com>
I have no idea about internals of mlx5 but the concept seems fine.
Patch needs to be rebased.
Please title it with net/mlx5 not drivers.
next prev parent reply other threads:[~2024-10-03 19:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-02 18:49 Alexander Kozyrev
2024-10-03 19:14 ` Stephen Hemminger [this message]
2024-10-03 20:26 ` [PATCH v2] " Alexander Kozyrev
2024-10-28 15:58 ` Slava Ovsiienko
2024-10-28 17:17 ` [PATCH v3] drivers: fix error CQE handling for 128 bytes CQE Alexander Kozyrev
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