From owner-freebsd-net@freebsd.org Mon Sep 4 00:48:03 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 10FDCE04804 for ; Mon, 4 Sep 2017 00:48:03 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: from mail-qt0-x22c.google.com (mail-qt0-x22c.google.com [IPv6:2607:f8b0:400d:c0d::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B4F40827E0; Mon, 4 Sep 2017 00:48:02 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: by mail-qt0-x22c.google.com with SMTP id w42so17713600qtg.5; Sun, 03 Sep 2017 17:48:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Qe/v48M54ljX9bq3fpyEtrIOl9zKwTIEYeCHLATX+AU=; b=Bv/tU1TtGUNoMjCDROSLIbSqLBYR1IfpqFXTM6ECsoTDqhCYrDemMeVnKd4yQMekPo Antkd2lA6Xmy0nDfInUzebQpouO61GjsIzJTbdrgZ0OwrkiW0eYHu0F/mv3Ilw5iiM3N 5yVTGz6kzkC4EcrNc7CsJ8Ke8JW98lqgv3aznFsghTD1/4veBkNsY9yFyATzifC/13Fy v9MSsPkNKy71t5TRf6daK+T9hpIrumlLG5grOTP0n26pO3UmjUmSRRAvXNzzKjM5kYO6 IrOE++PH7BZsWLtqUbpojy1tbaQQRQdfXTgJTmColvHP0ZZV5+bDauV0Nv1DjCmhD2j2 JAlg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=Qe/v48M54ljX9bq3fpyEtrIOl9zKwTIEYeCHLATX+AU=; b=DNWtImwygOqUYPCy/bHzEShVGWHx3Pf9NaW2YQAEKpbLoNogAOMYDfkU1FuXMC/YlE A8v8zQHkxmWbOrv6fGqWjoyEo9KdeYnHNOdKbbmrxUgd1AdzvD1CrN3e/wvq6jaWRmvw XVdzEHM8UI2TGQyL2JvBvacofMLT+cVYz1dnYH4rGYVIWj2EJ1hyMubxwGTwwtKGhNhq 6zGr6FAUVizQXyWqhX4Dps5dTfB7UTdXraj9W5kvuJo/UGWPMMRSHhRFa/pBo3ALAkil knoXhEQuyXprlNHnAqoysDbErH5XRk0XSVkquel3p1+w+gjG+R5pKhFeIpkOL/D/3PiG qSVA== X-Gm-Message-State: AHPjjUhKHXyLqkqc+91/zLDCyTI6wA6vobAK4aVFLH7qbk3faaN0YQBu fOf4Ad5sun+JmjFALDGBQ86RM4XDZw== X-Google-Smtp-Source: ADKCNb51aSeqerWvG+Z5EefDdRpXIDVu1ELSl0Amt54ejessBfmRrbJOk2tas2+cdmFDLJ76fI02UT8EtuNoVDo+/OQ= X-Received: by 10.200.24.214 with SMTP id o22mr12580560qtk.56.1504486081667; Sun, 03 Sep 2017 17:48:01 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.106.102 with HTTP; Sun, 3 Sep 2017 17:48:01 -0700 (PDT) In-Reply-To: References: From: Sepherosa Ziehau Date: Mon, 4 Sep 2017 08:48:01 +0800 Message-ID: Subject: Re: RSS_UDP_IPV4_EX? To: "Robert N. M. Watson" Cc: Adrian Chadd , "freebsd-net@freebsd.org" Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Sep 2017 00:48:03 -0000 On Sat, Sep 2, 2017 at 6:11 PM, Robert N. M. Watson wrote: > My recollection here is (quite) hazy, as it's been a while, but it's likely > that this was a transcription error. The set of hash types was largely > modelled on what Chelsio offered in the T3 (if I recall), and also what was > documented in the Microsoft RSS white paper, so it may be worth taking a > look at those sources to see if something makes itself obvious. > > (There do seem to be some odd variations in hashing types supported by > various NICs -- e.g., hashing but with different hash algorithms in certain > generations of cards, etc, so it also wouldn't surprise me if it did > correspond to something real. Clearly the comment is not good enough to > explain that, if so!) I checked latest RSS updates from Microsoft. There is no such type. But they did add UDP_IP4, UDP_IPV6 and UDP_IPV6_EX. I am going to whack UDP_IPV4_EX and update various comment. I will setup a review soon. Thanks, sephe > > Robert > > On 2 Sep 2017, at 00:43, Adrian Chadd wrote: > > Hi, > > I seem to recall it was something some chipsets supported? I forget the > details. > > > > -adrian > > > On 30 August 2017 at 00:07, Sepherosa Ziehau wrote: >> >> IPv4 UDP with extended headers o_O? Or it was just a mistake. >> >> Thanks, >> sephe >> >> -- >> Tomorrow Will Never Die > > > -- Tomorrow Will Never Die