From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: Extremely slow network with e1000 & ip_conntrack Date: Thu, 04 Dec 2003 15:09:59 -0500 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <3FCF9497.3030708@pobox.com> References: <20031205045020.4C0E.MUKANSAI@emailplus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: "Feldman, Scott" , Harald Welte , netfilter-devel@lists.netfilter.org, linux-kernel@vger.kernel.org, "David S. Miller" Return-path: To: Stephen Lee In-Reply-To: <20031205045020.4C0E.MUKANSAI@emailplus.org> List-Id: netfilter-devel.vger.kernel.org Stephen Lee wrote: > I have a 32-bit PCI card with bcm5705 on it, does that support TSO? > I'll give it a try today. I'm pretty sure tg3 does not enable TSO support by default. Regardless, the problem is identified -- when TSO+conntrack is present, we "TSO" net traffic then "un-TSO" it. It's simply better to not use TSO at all, for this case. Jeff