From owner-freebsd-net@FreeBSD.ORG Wed Oct 8 15:11:20 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 560D8106568D; Wed, 8 Oct 2008 15:11:20 +0000 (UTC) (envelope-from prvs=1167892f71=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (core6.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id ABF2F8FC1B; Wed, 8 Oct 2008 15:11:19 +0000 (UTC) (envelope-from prvs=1167892f71=killing@multiplay.co.uk) DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=multiplay.co.uk; s=Multiplay; t=1223477593; x=1224082393; q=dns/txt; h=Received: Message-ID:From:To:Cc:References:Subject:Date:MIME-Version: Content-Type:Content-Transfer-Encoding; bh=6w618BKOYQtfrTe8ekppK iyHdrgzUvH1NkNGcgtv0Fs=; b=a/ArZwPTxX1exbTUaLcb1ZpUYrpu2yrAp70TP W06tchyKnEfRVpqWXD7UN3WF6j2vJouxuhSYQ8SAOjswkyaaImbdQ4ZH0qPsF4PB 5ektMPhF37QnGN/16Zc0sLv2+fMGBy5sXoF8UViQK3/QTwj82PvxUO9/xJQLKk1Y sOSwOE= X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-14.7 required=6.0 tests=BAYES_00, FORGED_MUA_OUTLOOK, USER_IN_WHITELIST,USER_IN_WHITELIST_TO autolearn=ham version=3.1.8 Received: from r2d2 by mail1.multiplay.co.uk (MDaemon PRO v9.6.6) with ESMTP id md50006300532.msg; Wed, 08 Oct 2008 15:53:08 +0100 X-Authenticated-Sender: Killing@multiplay.co.uk X-MDRemoteIP: 85.236.106.102 X-Return-Path: prvs=1167892f71=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: <19BC920CEFA644B5896E89FFB00B81F6@multiplay.co.uk> From: "Steven Hartland" To: "Sam Leffler" , "Jack Vogel" References: <2a41acea0705161030k40831aa5o168b5bc40fcf3352@mail.gmail.com> <464B70F4.3010109@errno.com> Date: Wed, 8 Oct 2008 15:53:00 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Spam-Processed: mail1.multiplay.co.uk, Wed, 08 Oct 2008 15:53:09 +0100 X-MDAV-Processed: mail1.multiplay.co.uk, Wed, 08 Oct 2008 15:53:13 +0100 Cc: freebsd-net , FreeBSD Current Subject: Re: EM and TSO X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Oct 2008 15:11:20 -0000 Even on PCI-e devices this has some nasty side effects i.e. on a PFSence firewall box based on 7.0-RELEASE-p3 with TSO enabled, access via the public network to the web interface is almost impossible. Simply disabling TSO and all was good. This may not be strictly down to the HW or driver but is another reason to not enable it by default if it causes such poor performance. Regards Steve ----- Original Message ----- From: "Sam Leffler" To: "Jack Vogel" Cc: "freebsd-net" ; "FreeBSD Current" Sent: Wednesday, May 16, 2007 10:00 PM Subject: Re: EM and TSO > Jack Vogel wrote: >> I introduced a change yesterday that limited TSO to PCI Express >> adapters, I did this more for avoidance rather than a bug fix, and >> I'm not 100% sure its the right thing, so I thought I would poll >> everyone, do you have a PCI-X adapter and are using TSO without >> problems and wish to keep the support in? >> >> If no one is then I'll just leave it as is. > > It might be better to enable it by default on pci-e adapters and require > manual enable on other adapters that are capable but may not function > correctly. > > Sam > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.