From: Ferruh Yigit <ferruh.yigit@amd.com>
To: Chaoyong He <chaoyong.he@corigine.com>, dev@dpdk.org
Cc: oss-drivers@corigine.com, niklas.soderlund@corigine.com, stable@dpdk.org
Subject: Re: [PATCH v2] net/nfp: fix the Tx descriptor free logic of nfd3
Date: Thu, 18 May 2023 15:43:32 +0100 [thread overview]
Message-ID: <8722f87a-d068-6334-1231-173394332064@amd.com> (raw)
In-Reply-To: <20230518110247.1559733-1-chaoyong.he@corigine.com>
On 5/18/2023 12:02 PM, Chaoyong He wrote:
> In the Tx descriptor free logic of nfd3, the former logic might force
> cast a negative number into a very big unsigned number, and which will
> cause potential problem in the xmit loop.
>
> The xmit loop will continue in the place where it should break, and will
> overwrite the Tx descriptor which is not free to use by the PMD.
>
> Fixes: 74a640dac864 ("net/nfp: avoid modulo operations for handling ring wrapping")
> Cc: stable@dpdk.org
>
> Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
> Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
>
Applied to dpdk-next-net/main, thanks.
prev parent reply other threads:[~2023-05-18 14:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-12 2:07 [PATCH] " Chaoyong He
2023-05-18 10:33 ` Ferruh Yigit
2023-05-18 10:49 ` Chaoyong He
2023-05-18 11:02 ` [PATCH v2] " Chaoyong He
2023-05-18 14:43 ` Ferruh Yigit [this message]
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