From: Akhil Goyal <gakhil@marvell.com>
To: Tal Shnaiderman <talshn@nvidia.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "thomas@monjalon.net" <thomas@monjalon.net>,
"matan@nvidia.com" <matan@nvidia.com>,
"rasland@nvidia.com" <rasland@nvidia.com>,
"asafp@nvidia.com" <asafp@nvidia.com>,
"suanmingm@nvidia.com" <suanmingm@nvidia.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [EXT] [PATCH] crypto/mlx5: fix crypto QP indexing
Date: Fri, 24 Sep 2021 17:47:22 +0000 [thread overview]
Message-ID: <CO6PR18MB44842AB28188E8D453B276F6D8A49@CO6PR18MB4484.namprd18.prod.outlook.com> (raw)
In-Reply-To: <20210913140224.18788-1-talshn@nvidia.com>
> The crypto QP consumer (ci) and producer (pi) indexes are increased
> with each successful enqueue/dequeue operations.
>
> However the QP pi index is calculated with a wraparound the number
> of elements while the QP ci does not.
>
> This is causing incorrect engine calculation for encqueued WQ values
> (wq->pi - wq->ci) and eventually the device stops accepting new enqueue
> operations.
>
> Fixed by removing the wraparound on QP pi and using a temp calculation
> where wraparound values are needed.
>
> Fixes: 8e196c08ab53 ("crypto/mlx5: support enqueue/dequeue operations")
> Cc: stable@dpdk.org
>
> Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
> Acked-by: Matan Azrad <matan@nvidia.com>
Applied to dpdk-next-crypto
prev parent reply other threads:[~2021-09-24 17:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-13 14:02 [dpdk-dev] " Tal Shnaiderman
2021-09-24 17:47 ` Akhil Goyal [this message]
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