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Subject: Re: dummynet loses ports mask bits
To: Luigi Rizzo <rizzo@iet.unipi.it>
References: <e3fb1af2-18b1-acb3-91de-ce302486b8d4@freebsd.org>
 <CA+hQ2+jQGyYUXKVTRf8Hfnc-_1F0pVnO=xTaCwEsra6anJn9Ng@mail.gmail.com>
Cc: "freebsd-ipfw@freebsd.org" <Freebsd-ipfw@freebsd.org>,
 Luigi Rizzo <luigi@freebsd.org>
From: Julian Elischer <julian@freebsd.org>
Message-ID: <87c6774f-1a6a-c547-a027-17baa6d3d9f9@freebsd.org>
Date: Wed, 1 Mar 2017 01:54:13 +0800
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On 1/3/17 1:46 am, Luigi Rizzo wrote:
> On Tue, Feb 28, 2017 at 9:27 AM, Julian Elischer <julian@freebsd.org> wrote:
>> In the following example it appears that the mask bits for the port number
>> are lost.
>> before I raise a bug.. is there anyone who can see that I am doing anything
>> wrong?
>>
>> I'm not sure what the q131053 stuff is about either, but..
> q131053 is the internal name for the queue associated with the pipe
> (pipe# + 0x10000).
> I am not sure if the mask supports ip/port notation (dst-ip covers
> only the address part).
> Of course the real bug is that the parser should be more strict and complain
> about extra/ignored fields. But the ipfw parser is full of these things.
>
> cheers
> luigi

my error is I should have used dst-port 0x000f  not /0x000f
  seems to be working now
>
>> ------------------------------------------
>> FreeBSD fb10-cc03.kumo.com 10.3-RELEASE-p16 : Wed Feb 22 14:40:53 UTC 2017
>> amd64
>>
>> fb10-cc03# ipfw pipe 11 config mask dst-ip 0x000000ff/0x0fff bw 200Kbit/s
>>
>> fb10-cc03# ipfw pipe show
>> 00011: 200.000 Kbit/s    0 ms burst 0
>> q131083  50 sl. 0 flows (1 buckets) sched 65547 weight 0 lmax 0 pri 0
>> droptail
>>   sched 65547 type FIFO flags 0x1 64 buckets 0 active
>>      mask:  0x00 0x00000000/0x0000 -> 0x000000ff/0x0000
>>
>
>