netdev - Re: [PATCH net-next 1/2] tcp: record last received ipv6 flowlabel

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Date: Fri, 29 Sep 2023 02:52:52 +0200
From: Eric Dumazet <edumazet@...gle.com>
To: David Morley <morleyd.kernel@...il.com>
Cc: David Miller <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org, 
	David Morley <morleyd@...gle.com>, Neal Cardwell <ncardwell@...gle.com>, 
	Yuchung Cheng <ycheng@...gle.com>
Subject: Re: [PATCH net-next 1/2] tcp: record last received ipv6 flowlabel

On Wed, Sep 27, 2023 at 8:28 PM David Morley <morleyd.kernel@...il.com> wrote:
>
> From: David Morley <morleyd@...gle.com>
>
> In order to better estimate whether a data packet has been
> retransmitted or is the result of a TLP, we save the last received
> ipv6 flowlabel.
>
> To make space for this field we resize the "ato" field in
> inet_connection_sock as the current value of TCP_DELACK_MAX can be
> fully contained in 8 bits and add a compile_time_assert ensuring this
> field is the required size.
>
> Signed-off-by: David Morley <morleyd@...gle.com>
> Signed-off-by: Neal Cardwell <ncardwell@...gle.com>
> Signed-off-by: Yuchung Cheng <ycheng@...gle.com>
> Tested-by: David Morley <morleyd@...gle.com>

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