From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt1-x844.google.com (mail-qt1-x844.google.com [IPv6:2607:f8b0:4864:20::844]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id F34933B29E; Mon, 1 Apr 2019 13:29:07 -0400 (EDT) Received: by mail-qt1-x844.google.com with SMTP id k14so11876398qtb.0; Mon, 01 Apr 2019 10:29:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=YaGjLAfOlV+fe690cI7Xw4RLEPPZ9a0VVGyx24NtE1k=; b=T8sIEqL8aNqMKxM0PCO0UbSXrQVI87ylvdjUZ/Wjj1UyLqwH6RBFEw+4ketdeOXle0 qBiWP4I3RqPzVGAN1xYujyyZZnCzHs5nfsZ1yZ1d3EK/paQLSIJHaEDp+bj4j7GoYXb3 QFiqWQVunKu1Ru5UJTZpNd6vHcX+L64MUhvcqGhzCLojilxz+cx1fvhHhaeStxDbgXsb 6HTidE/ubi64BUXBgKK81I0shMkCNMoF5oyHRcItJPm9x6StGmFlpMo0e5G8orhJBYcu Iiutq1dk+t1CJeMqIhPHsYCjNHCdAmj3Tg1c9DLJvH643gaLY2WElSWw0+72dze0i+Yl UgPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=YaGjLAfOlV+fe690cI7Xw4RLEPPZ9a0VVGyx24NtE1k=; b=PKmArWd1px7SkZ4aVk+hTKahsh+oS0NH5bcauKnu0MIPtMCVwdVHqB0/sLgtQ1AVs8 TEezAmMJQFwHGyFuFqhQS3OtSAp3nqRjqza0sbZieDMDGKXJ0XeDn28t3h4PNi3TK7cL paX7fsNN6EP/O64mllgLSkU5EHK/kkkxJwemh/f4gOz6JY674cAa8cfZK5p6mqTwHdDh DU30ojGCE0tpEwVwPNgJ1gyN7tAomVor5t0IFzJ0Q0MMFnXNwrYHG08FVgQP6+ziZqP+ 5ea7ZokCCRy+c35/Izv0FUZjO7tzDSgU6ETIxg11sDPyScBfSiu1j1Fb97u6YPWUoxSY 5aJw== X-Gm-Message-State: APjAAAWFP0ilXZjG0L0kiP+yO4r8TLX1GxF2QtFPFlMgG7mtF4IW4055 ancX8br8V1ya8FBF5Kva4WU4nsgzwCF5aRdzDZI= X-Google-Smtp-Source: APXvYqwdKTmTMarVXZKZWArrM03haQLxR6baDYCtGZPtJeAlXRJ4ZgPC9FyOaXK6Hk/V50IAjK42rQ6H5R8dQbXJako= X-Received: by 2002:aed:3e13:: with SMTP id l19mr55414667qtf.125.1554139747525; Mon, 01 Apr 2019 10:29:07 -0700 (PDT) MIME-Version: 1.0 References: <3F3F78F9-8F97-42F2-9005-F8449489BECF@gmail.com> <42B7B2FB-94FC-4CA6-B75E-CADB61FE3173@gmail.com> <6047E899-078F-4E08-A29C-B87D268A4E5E@heistp.net> <69EA569B-4AD2-4C4B-937B-9ABDD563B120@gmail.com> <11555.1553430723@dooku.sandelman.ca> <20190401090258.144ff939@shemminger-XPS-13-9360> In-Reply-To: <20190401090258.144ff939@shemminger-XPS-13-9360> From: Dave Taht Date: Mon, 1 Apr 2019 19:21:48 +0200 Message-ID: To: Stephen Hemminger Cc: Michael Richardson , Cake List , ECN-Sane Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Ecn-sane] [Cake] The two SCE tests I have in mind X-BeenThere: ecn-sane@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of explicit congestion notification's impact on the Internet List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Apr 2019 17:29:08 -0000 On Mon, Apr 1, 2019 at 6:03 PM Stephen Hemminger wrote: > > On Sun, 24 Mar 2019 13:32:03 +0100 > Michael Richardson wrote: > > > Jonathan Morton wrote: > > >> On 24 Mar, 2019, at 12:05 pm, Pete Heist wrote= : > > >> > > >> tcpdump -r file.pcap udp port 2112 and greater 80 and "ip[1] != =3D 0x1=E2=80=9D > > >> > > >> =E2=80=9Cgreater 80=E2=80=9D ignores the handshake packets and 0= x1 is whatever TOS > > >> value we want to make sure the packets contain. We can use diffe= rent > > >> filters for other traffic. > > > > > Bear in mind that the TOS byte contains ECN as well as DSCP field= s, and > > > the latter is left-justified. > > > > libpcap should probably learn about DSCN bits to avoid people having to > > think so much :-) Well, I still have nothing better than tcptrace + xplot. > > > > Send patches to me/github. > > > > Libpcap is ancient history by now. It is like ifconfig, everyone still ca= n't reprogram > their brain; but the tool is on life support. > > All development is happening on wireshark/tshark. > _______________________________________________ > Cake mailing list > Cake@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cake --=20 Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740