From: Kevin Traynor <ktraynor@redhat.com>
To: Alexander Kozyrev <akozyrev@nvidia.com>, stable@dpdk.org
Subject: Re: [PATCH 21.11] net/mlx5: fix MPRQ stride size to accommodate the headroom
Date: Wed, 8 Nov 2023 19:03:46 +0000 [thread overview]
Message-ID: <7c51d590-bf3a-303e-c762-81c1e8cbb192@redhat.com> (raw)
In-Reply-To: <20231102160814.2513733-1-akozyrev@nvidia.com>
On 02/11/2023 16:08, Alexander Kozyrev wrote:
> [ upstream commit e6479f009fbd9c8e873807cc928dcf91a151aba9 ]
>
> The space for the headroom is reserved at the end of every MPRQ stride
> for the next packet. The Rx burst logic is to copy any overlapping
> packet data if there is an overlap with this reserved headroom space.
> But it is not possible if the headroom size is bigger than the whole
> stride. Adjust the stride size to make sure the stride size is greater
> than the headroom size.
>
> Fixes: 34776af600 ("net/mlx5: fix MPRQ stride devargs adjustment")
>
> Signed-off-by: Alexander Kozyrev<akozyrev@nvidia.com>
> Acked-by: Viacheslav Ovsiienko<viacheslavo@nvidia.com>
> ---
> drivers/net/mlx5/linux/mlx5_os.c | 2 ++
> drivers/net/mlx5/mlx5_rxq.c | 26 ++++++++++++++++++++++----
> 2 files changed, 24 insertions(+), 4 deletions(-)
Applied to 21.11 branch, thanks.
next prev parent reply other threads:[~2023-11-08 19:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-02 16:08 Alexander Kozyrev
2023-11-08 19:03 ` Kevin Traynor [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-07-21 14:56 Alexander Kozyrev
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