From mboxrd@z Thu Jan 1 00:00:00 1970 From: Soheil Hassas Yeganeh Subject: Re: [PATCH net-next 2/4] tcp: do not force quickack when receiving out-of-order packets Date: Thu, 17 May 2018 13:14:13 -0400 Message-ID: References: <20180517121213.43559-1-edumazet@google.com> <20180517121213.43559-3-edumazet@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: "David S . Miller" , netdev , =?UTF-8?B?VG9rZSBIw7hpbGFuZC1Kw7hyZ2Vuc2Vu?= , Neal Cardwell , Yuchung Cheng , Eric Dumazet To: Eric Dumazet Return-path: Received: from mail-io0-f196.google.com ([209.85.223.196]:43213 "EHLO mail-io0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750924AbeEQROz (ORCPT ); Thu, 17 May 2018 13:14:55 -0400 Received: by mail-io0-f196.google.com with SMTP id t23-v6so2906658ioc.10 for ; Thu, 17 May 2018 10:14:55 -0700 (PDT) In-Reply-To: <20180517121213.43559-3-edumazet@google.com> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, May 17, 2018 at 8:12 AM, Eric Dumazet wrote: > As explained in commit 9f9843a751d0 ("tcp: properly handle stretch > acks in slow start"), TCP stacks have to consider how many packets > are acknowledged in one single ACK, because of GRO, but also > because of ACK compression or losses. > > We plan to add SACK compression in the following patch, we > must therefore not call tcp_enter_quickack_mode() > > Signed-off-by: Eric Dumazet Acked-by: Soheil Hassas Yeganeh Thank you, Eric!