netdev - Re: [PATCH net v2] net/mlx4_en: don't set CHECKSUM

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Message-Id: <20170808.180031.2176916502629959013.davem@davemloft.net>
Date:   Tue, 08 Aug 2017 18:00:31 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     saeedm@....mellanox.co.il
Cc:     dcaratti@...hat.com, tariqt@...lanox.com, netdev@...r.kernel.org
Subject: Re: [PATCH net v2] net/mlx4_en: don't set CHECKSUM_COMPLETE on
 SCTP packets

From: Saeed Mahameed <saeedm@....mellanox.co.il>
Date: Tue, 8 Aug 2017 19:16:52 +0300

> On Thu, Aug 3, 2017 at 11:54 PM, Davide Caratti <dcaratti@...hat.com> wrote:
>> if the NIC fails to validate the checksum on TCP/UDP, and validation of IP
>> checksum is successful, the driver subtracts the pseudo-header checksum
>> from the value obtained by the hardware and sets CHECKSUM_COMPLETE. Don't
>> do that if protocol is IPPROTO_SCTP, otherwise CRC32c validation fails.
>>
>> V2: don't test MLX4_CQE_STATUS_IPV6 if MLX4_CQE_STATUS_IPV4 is set
>>
>> Reported-by: Shuang Li <shuali@...hat.com>
>> Fixes: f8c6455bb04b ("net/mlx4_en: Extend checksum offloading by CHECKSUM COMPLETE")
>> Signed-off-by: Davide Caratti <dcaratti@...hat.com>
> 
> Acked-by: Saeed Mahameed <saeedm@...lanox.com>

Applied and queued up for -stable.