From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next 06/17] tcp: fix corner case issue in segmentation during rexmitting Date: Mon, 02 Mar 2009 03:01:35 -0800 (PST) Message-ID: <20090302.030135.108275627.davem@davemloft.net> References: <12358322821182-git-send-email-ilpo.jarvinen@helsinki.fi> <12358322832831-git-send-email-ilpo.jarvinen@helsinki.fi> <12358322831953-git-send-email-ilpo.jarvinen@helsinki.fi> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: ilpo.jarvinen@helsinki.fi Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:46962 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1756902AbZCBLBx convert rfc822-to-8bit (ORCPT ); Mon, 2 Mar 2009 06:01:53 -0500 In-Reply-To: <12358322831953-git-send-email-ilpo.jarvinen@helsinki.fi> Sender: netdev-owner@vger.kernel.org List-ID: =46rom: "Ilpo J=E4rvinen" Date: Sat, 28 Feb 2009 16:44:31 +0200 > From: Ilpo J=E4rvinen >=20 > If cur_mss grew very recently so that the previously G/TSOed skb > now fits well into a single segment it would get send up in > parts unless we calculate # of segments again. This corner-case > could happen eg. after mtu probe completes or less than > previously sack blocks are required for the opposite direction. >=20 > Signed-off-by: Ilpo J=E4rvinen Applied.