From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: [Bugme-new] [Bug 7278] New: forcedeth slowed down by traffic shaping Date: Wed, 11 Oct 2006 13:43:50 +0200 Message-ID: <20061011114350.GA3947@ff.dom.local> References: <20061006172217.af619871.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, kernel-bugzilla@future.shiny.co.il, "bugme-daemon\@kernel-bugs\.osdl\.org" Return-path: Received: from mx10.go2.pl ([193.17.41.74]:44489 "EHLO poczta.o2.pl") by vger.kernel.org with ESMTP id S932164AbWJKLjC (ORCPT ); Wed, 11 Oct 2006 07:39:02 -0400 To: Andrew Morton Content-Disposition: inline In-Reply-To: <20061006172217.af619871.akpm@osdl.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 07-10-2006 02:22, Andrew Morton wrote: > On Fri, 6 Oct 2006 17:18:13 -0700 > bugme-daemon@bugzilla.kernel.org wrote: > >> http://bugzilla.kernel.org/show_bug.cgi?id=7278 >> >> Summary: forcedeth slowed down by traffic shaping >> Kernel Version: 2.6.16 >> Status: NEW >> Severity: normal >> Owner: jgarzik@pobox.com >> Submitter: kernel-bugzilla@future.shiny.co.il >> >> >> When assigninig a simple Tocket Bucket Filter (TBF) classless trafic shaping >> policy to the eth0 device (provided by forcedeth), the device's upstream speed >> drops to ~12kbyte/s, regardless of the traffic limit I set in the shaping rule. >> In fact, the traffic limit values could be larger than the connection's >> throughput and it'll still limit to mere 12kbyte/s. Once I revert the rule to >> pfifo_fast, the rate resumes to the connection's real one (64kbyte/s). >> >> If I set the TBF lower than 96kbit on eth0, it indeed applies; in other words, I >> can make the connection slower than 12kbyte/s but not faster. >> >> If I assign the same rule to ppp0, it works just as intended, for rules higher >> than 12kbyte/s, leading me to believe forcedeth has something to do with it. >> >> (Is there any module parameter I can try tweaking?) Isn't it to unpolite to expect from the submitter some details like this tbf rule or testing with other kernel version? Jarek P.