From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: tcp bw in 2.6 Date: Tue, 02 Oct 2007 14:47:09 -0700 (PDT) Message-ID: <20071002.144709.123999983.davem@davemloft.net> References: <20071002164858.GH17418@bitmover.com> <20071002.141656.42880006.davem@davemloft.net> <20071002212608.GG29944@bitmover.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: torvalds@linux-foundation.org, herbert@gondor.apana.org.au, wscott@bitmover.com, netdev@vger.kernel.org To: lm@bitmover.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:46840 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752509AbXJBVrK (ORCPT ); Tue, 2 Oct 2007 17:47:10 -0400 In-Reply-To: <20071002212608.GG29944@bitmover.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: lm@bitmover.com (Larry McVoy) Date: Tue, 2 Oct 2007 14:26:08 -0700 > And note that sky2 doesn't have this problem. Does the broadcom do TSO? > And sky2 not? I noticed a much higher CPU load for sky2. Yes the broadcoms (the revisions I have) do TSO and it is enabled on both sides. Which makes the mis-matched performance even stranger :)