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From: Kevin Traynor <ktraynor@redhat.com>
To: Dengdui Huang <huangdengdui@huawei.com>, stable@dpdk.org
Cc: lihuisong@huawei.com, fengchengwen@huawei.com, liuyonglong@huawei.com
Subject: Re: [PATCH 24.11 2/2] net/hns3: fix Rx packet without CRC data
Date: Tue, 22 Jul 2025 14:03:30 +0100	[thread overview]
Message-ID: <4bb96162-e679-4592-992f-fca2875cf8da@redhat.com> (raw)
In-Reply-To: <20250722105710.247052-2-huangdengdui@huawei.com>

On 22/07/2025 11:57, Dengdui Huang wrote:
> [ upstream commit 99c065da47c432e9529f761b457cde1fd8c89f20 ]
> 
> When KEEP_CRC offload is enabled, the CRC data is still stripped
> in following cases:
> 1. For HIP08 network engine, the packet type is TCP and the length
>    is less than or equal to 60B.
> 2. For HIP09 network engine, the packet type is IP and the length
>    is less than or equal to 60B.
> 
> So driver has to recaculate packet CRC for this rare scenarios.
> 
> In addition, to avoid impacting performance, KEEP_CRC is not
> supported when NEON or SVE algorithm is used.
> 
> Fixes: 8973d7c4ca12 ("net/hns3: support keeping CRC")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Dengdui Huang <huangdengdui@huawei.com>
> Acked-by: Huisong Li <lihuisong@huawei.com>
> Acked-by: Jie Hai <haijie1@huawei.com>
> ---
>  drivers/net/hns3/hns3_ethdev.c        |   2 +
>  drivers/net/hns3/hns3_ethdev.h        |  23 +++++
>  drivers/net/hns3/hns3_rxtx.c          | 119 +++++++++++++++++++++-----
>  drivers/net/hns3/hns3_rxtx.h          |   3 +
>  drivers/net/hns3/hns3_rxtx_vec.c      |   3 +-
>  drivers/net/hns3/hns3_rxtx_vec_neon.h |  19 ----
>  drivers/net/hns3/hns3_rxtx_vec_sve.c  |   3 +-
>  7 files changed, 128 insertions(+), 44 deletions(-)
> 

Thanks Dengdui. I will apply this one with the batch in a couple of days.


  reply	other threads:[~2025-07-22 13:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-22 10:57 [PATCH 24.11 1/2] net/hns3: fix CRC data segment Dengdui Huang
2025-07-22 10:57 ` [PATCH 24.11 2/2] net/hns3: fix Rx packet without CRC data Dengdui Huang
2025-07-22 13:03   ` Kevin Traynor [this message]
2025-07-22 13:02 ` [PATCH 24.11 1/2] net/hns3: fix CRC data segment Kevin Traynor

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