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

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Date:   Tue, 8 Aug 2017 19:16:52 +0300
From:   Saeed Mahameed <saeedm@....mellanox.co.il>
To:     Davide Caratti <dcaratti@...hat.com>
Cc:     Tariq Toukan <tariqt@...lanox.com>,
        Linux Netdev List <netdev@...r.kernel.org>,
        "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH net v2] net/mlx4_en: don't set CHECKSUM_COMPLETE on SCTP packets

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>