From: Raslan Darawsheh <rasland@nvidia.com>
To: Viacheslav Ovsiienko <viacheslavo@nvidia.com>, dev@dpdk.org
Cc: matan@nvidia.com, suanmingm@nvidia.com, dsosnowski@nvidia.com,
stable@dpdk.org
Subject: Re: [PATCH v2] net/mlx5: fix out of order completions in ordinary Rx burst
Date: Wed, 9 Jul 2025 14:06:37 +0300 [thread overview]
Message-ID: <bf988d67-cfaf-421a-9c2d-cdce05bf4d9a@nvidia.com> (raw)
In-Reply-To: <20250708104641.444172-1-viacheslavo@nvidia.com>
Hi,
On 08/07/2025 1:46 PM, Viacheslav Ovsiienko wrote:
> The existing Rx burst routines suppose the completions in CQ
> arrive in order and address the WQEs in receiving queue in order.
> That is not true for the shared RQs, CQEs can arrive in out of
> order and to address appropriate WQE we should fetch its index
> from the CQE wqe_counter field.
>
> Also, we can advance the RQ CI if and only if all the WQEs are
> handled in the covered range. This requires slide window to track
> handled WQEs. We support the out-of-order window size up to the
> full queue size.
>
> Fixes: 09c2555303be ("net/mlx5: support shared Rx queue")
> Cc: stable@dpdk.org
>
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
>
> ---
> v2: added Cc: stable
> ---
Patch applied to next-net-mlx,
Kindest regards
Raslan Darawsheh
prev parent reply other threads:[~2025-07-09 11:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-08 10:46 Viacheslav Ovsiienko
2025-07-09 11:06 ` Raslan Darawsheh [this message]
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