From: Dave Taht <dave.taht@gmail.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Michael Richardson <mcr@sandelman.ca>,
Cake List <cake@lists.bufferbloat.net>,
ECN-Sane <ecn-sane@lists.bufferbloat.net>
Subject: Re: [Cake] [Ecn-sane] The two SCE tests I have in mind
Date: Mon, 1 Apr 2019 19:21:48 +0200 [thread overview]
Message-ID: <CAA93jw526AuriYRUPcQ594GpSHvRV021bdmRmzOaNj5BnUY_JQ@mail.gmail.com> (raw)
In-Reply-To: <20190401090258.144ff939@shemminger-XPS-13-9360>
On Mon, Apr 1, 2019 at 6:03 PM Stephen Hemminger
<stephen@networkplumber.org> wrote:
>
> On Sun, 24 Mar 2019 13:32:03 +0100
> Michael Richardson <mcr@sandelman.ca> wrote:
>
> > Jonathan Morton <chromatix99@gmail.com> wrote:
> > >> On 24 Mar, 2019, at 12:05 pm, Pete Heist <pete@heistp.net> wrote:
> > >>
> > >> tcpdump -r file.pcap udp port 2112 and greater 80 and "ip[1] != 0x1”
> > >>
> > >> “greater 80” ignores the handshake packets and 0x1 is whatever TOS
> > >> value we want to make sure the packets contain. We can use different
> > >> filters for other traffic.
> >
> > > Bear in mind that the TOS byte contains ECN as well as DSCP fields, 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 can'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
--
Dave Täht
CTO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-831-205-9740
next prev parent reply other threads:[~2019-04-01 17:29 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-23 19:15 [Cake] Sce In cake testers wanted Dave Taht
2019-03-23 21:28 ` Kevin Darbyshire-Bryant
2019-03-23 23:53 ` Jonathan Morton
2019-03-23 23:54 ` Dave Taht
2019-03-23 23:58 ` Jonathan Morton
2019-03-24 7:37 ` Pete Heist
2019-03-24 8:45 ` Jonathan Morton
2019-03-24 8:55 ` [Cake] The two SCE tests I have in mind Dave Taht
2019-03-24 9:30 ` Luca Muscariello
2019-03-24 10:30 ` Dave Taht
2019-03-24 12:33 ` Dave Taht
2019-03-24 22:31 ` Sebastian Moeller
2019-03-24 11:05 ` Pete Heist
2019-03-24 11:08 ` Jonathan Morton
2019-03-24 11:21 ` Pete Heist
2019-03-24 12:32 ` [Cake] [Ecn-sane] " Michael Richardson
2019-04-01 16:02 ` Stephen Hemminger
2019-04-01 17:21 ` Dave Taht [this message]
2019-04-02 13:36 ` Rodney W. Grimes
2019-03-24 21:00 ` [Cake] Sce In cake testers wanted Kevin Darbyshire-Bryant
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