From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Current 2.6.x TSO state Date: Fri, 1 Oct 2004 21:51:47 +0200 Sender: netdev-bounce@oss.sgi.com Message-ID: <20041001195146.GA23046@wotan.suse.de> References: <20040930213221.06a3f5b3.davem@davemloft.net> <20041001121123.19511403.ak@suse.de> <20041001124733.1ac4266a.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andi Kleen , netdev@oss.sgi.com, jheffner@psc.edu, herbert@gondor.apana.org.au Return-path: To: "David S. Miller" Content-Disposition: inline In-Reply-To: <20041001124733.1ac4266a.davem@davemloft.net> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Fri, Oct 01, 2004 at 12:47:33PM -0700, David S. Miller wrote: > On Fri, 1 Oct 2004 12:11:23 +0200 > Andi Kleen wrote: > > > Do you want me to play with the new sysctl too? > > Yes. Already did, see my other mail (I should not read incoming mail in the wrong order @) > > > max win adv: 5840 bytes max win adv: 63712 bytes > > min win adv: 5840 bytes min win adv: 5792 bytes > > That stinks that the receiver is only using a 64K window, > that's way too small for gigabit. Just using the default, no tuning. I have some patches in the pipeline to do automatic window tuning based on link speed based on dev->features. But they were actually more intended for 10Gbit/s (where all the defaults are completely inadequate) And it needs a bit more work. -Andi