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Date:   Tue, 08 Sep 2020 20:21:58 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net-next] ipv6: add tos reflection in TCP reset and ack

From: Wei Wang <>
Date: Tue,  8 Sep 2020 14:29:02 -0700

> Currently, ipv6 stack does not do any TOS reflection. To make the
> behavior consistent with v4 stack, this commit adds TOS reflection in
> tcp_v6_reqsk_send_ack() and tcp_v6_send_reset(). We clear the lower
> 2-bit ECN value of the received TOS in compliance with RFC 3168 6.1.5
> robustness principles.
> Signed-off-by: Wei Wang <>
> Signed-off-by: Eric Dumazet <>


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