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Date:   Tue, 08 Sep 2020 20:20:33 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     weiwan@...gle.com
Cc:     netdev@...r.kernel.org, edumazet@...gle.com
Subject: Re: [PATCH net] ip: fix tos reflection in ack and reset packets

From: Wei Wang <weiwan@...gle.com>
Date: Tue,  8 Sep 2020 14:09:34 -0700

> Currently, in tcp_v4_reqsk_send_ack() and tcp_v4_send_reset(), we
> echo the TOS value of the received packets in the response.
> However, we do not want to echo the lower 2 ECN bits in accordance
> with RFC 3168 6.1.5 robustness principles.
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> 
> Signed-off-by: Wei Wang <weiwan@...gle.com>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied and queued up for -stable, thanks.

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