From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH v2 net-next] tcp-tso: do not split TSO packets at retransmit time Date: Mon, 25 Apr 2016 10:43:47 -0700 Message-ID: <1461606227.5535.23.camel@edumazet-glaptop3.roam.corp.google.com> References: <1461605974-4242-1-git-send-email-edumazet@google.com> <1461605974-4242-3-git-send-email-edumazet@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev To: Eric Dumazet , "David S . Miller" Return-path: Received: from mail-pf0-f171.google.com ([209.85.192.171]:33491 "EHLO mail-pf0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754456AbcDYRnt (ORCPT ); Mon, 25 Apr 2016 13:43:49 -0400 Received: by mail-pf0-f171.google.com with SMTP id 206so20132057pfu.0 for ; Mon, 25 Apr 2016 10:43:48 -0700 (PDT) In-Reply-To: <1461605974-4242-3-git-send-email-edumazet@google.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 2016-04-25 at 10:39 -0700, Eric Dumazet wrote: > Linux TCP stack painfully segments all TSO/GSO packets before retransmits. > humpf. > Signed-off-by: Eric Dumazet > Acked-by: Yuchung Cheng > --- > include/net/tcp.h | 4 ++-- > net/ipv4/tcp_input.c | 2 +- > net/ipv4/tcp_output.c | 64 +++++++++++++++++++++++---------------------------- > net/ipv4/tcp_timer.c | 4 ++-- > 4 files changed, 34 insertions(+), 40 deletions(-) Please ignore, I forgot to clean this one, it was already merged. Sorry for the noise.