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Date: Sun, 11 Nov 2018 14:02:05 -0500
From: Neal Cardwell <ncardwell@...gle.com>
To: Eric Dumazet <edumazet@...gle.com>
Cc: David Miller <davem@...emloft.net>,
Netdev <netdev@...r.kernel.org>,
Soheil Hassas Yeganeh <soheil@...gle.com>,
Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [PATCH net-next 2/3] tcp: refine tcp_tso_should_defer() after EDT adoption
On Sun, Nov 11, 2018 at 9:41 AM Eric Dumazet <edumazet@...gle.com> wrote:
>
> tcp_tso_should_defer() last step tries to check if the probable
> next ACK packet is coming in less than half rtt.
>
> Problem is that the head->tstamp might be in the future,
> so we need to use signed arithmetics to avoid overflows.
>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Acked-by: Soheil Hassas Yeganeh <soheil@...gle.com>
> ---
> net/ipv4/tcp_output.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
Thanks!
Acked-by: Neal Cardwell <ncardwell@...gle.com>
neal
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