netdev - Re: [PATCH net-next 2/2] selftests/net: Add SHA256 computation over data sent in tcp

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Date:   Tue, 21 Mar 2023 19:55:27 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     Coco Li <lixiaoyan@...gle.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        David Ahern <dsahern@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>,
        Pavel Begunkov <asml.silence@...il.com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Oliver Hartkopp <socketcan@...tkopp.net>,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/2] selftests/net: Add SHA256 computation over
 data sent in tcp_mmap

On Tue, Mar 21, 2023 at 1:12 AM Coco Li <lixiaoyan@...gle.com> wrote:
>
> From: Xiaoyan Li <lixiaoyan@...gle.com>
>
> Add option to compute and send SHA256 over data sent (-i).
>
> This is to ensure the correctness of data received.
> Data is randomly populated from /dev/urandom.
>
> Tested:
> ./tcp_mmap -s -z -i
> ./tcp_mmap -z -H $ADDR -i
> SHA256 is correct
>
> ./tcp_mmap -s -i
> ./tcp_mmap -H $ADDR -i
> SHA256 is correct
>
> Signed-off-by: Coco Li <lixiaoyan@...gle.com>
>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>