From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-2.6 1/2] [TCP]: Fix ratehalving with bidirectional flows Date: Tue, 31 Jul 2007 02:58:27 -0700 (PDT) Message-ID: <20070731.025827.07638506.davem@davemloft.net> References: <20070730.222112.41634340.davem@davemloft.net> <20070731105113.4730d9bb@oldman.hamilton.local> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: ilpo.jarvinen@helsinki.fi, netdev@vger.kernel.org To: shemminger@linux-foundation.org Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:53054 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752561AbXGaJ61 convert rfc822-to-8bit (ORCPT ); Tue, 31 Jul 2007 05:58:27 -0400 In-Reply-To: <20070731105113.4730d9bb@oldman.hamilton.local> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org =46rom: Stephen Hemminger Date: Tue, 31 Jul 2007 10:51:13 +0100 > On Mon, 30 Jul 2007 22:21:12 -0700 (PDT) > David Miller wrote: >=20 > > From: "Ilpo_J=E4rvinen" > > Date: Tue, 31 Jul 2007 07:59:10 +0300 (EEST) > >=20 > > > I think it's probably good to add tp->snd_una !=3D prior_snd_una > > > check there too... It's not going to make a large difference, > > > mostly just to be conservative when skb collapse stuff got done > > > (and maybe to annoy cheaters too though I couldn't at this point > > > figure out how they could abuse it)... > > >=20 > > > ...I think I can come up with that on Wednesday, so please hold > > > stable push until that. > >=20 > > It'll definitely need to wait at least a day as I cannot even make = TCP > > or UDP connections out from my machine with the current net-2.6 tre= e, > > and this is what I'm debugging at the moment. > >=20 > > I'm hoping that it's just something stupid like the make not > > rebuilding everything necessary after I changed the __u16's into > > __u32's in skb_frag_t. >=20 > I running tests over emulator this morning. > Hopefully, this will fix the window collapse that occurs on startup > of large queue sizes. Great. =46or the record the bug I was chasing was an IPSEC issue which Herbert fixed a few moments ago.