netdev - Re: [PATCH net] tcp: Retain ECT bits for tos reflection

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20201208.163009.2257313101751320736.davem@davemloft.net>
Date:   Tue, 08 Dec 2020 16:30:09 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     weiwan@...gle.com
Cc:     kuba@...nel.org, netdev@...r.kernel.org, alexanderduyck@...com,
        edumazet@...gle.com
Subject: Re: [PATCH net] tcp: Retain ECT bits for tos reflection

From: Wei Wang <weiwan@...gle.com>
Date: Tue,  8 Dec 2020 09:55:08 -0800

> For DCTCP, we have to retain the ECT bits set by the congestion control
> algorithm on the socket when reflecting syn TOS in syn-ack, in order to
> make ECN work properly.
> 
> Fixes: ac8f1710c12b ("tcp: reflect tos value received in SYN to the socket")
> Reported-by: Alexander Duyck <alexanderduyck@...com>
> Signed-off-by: Wei Wang <weiwan@...gle.com>
> Reviewed-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks.