Re: dummynet loses ports mask bits

[Julian Elischer]

On 1/3/17 1:54 am, Julian Elischer wrote:

On 1/3/17 1:46 am, Luigi Rizzo wrote:
On Tue, Feb 28, 2017 at 9:27 AM, Julian Elischer 
 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# + 0x1).
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 0x00ff/0x0fff bw 
200Kbit/s


fb10-cc03# ipfw pipe show
00011: 200.000 Kbit/s0 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 0x/0x -> 0x00ff/0x





btw ipfw pipe show
only shows queues currently active. is there a way to see 'queues 
active in the last few seconds"?




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Re: dummynet loses ports mask bits

[Julian Elischer]

On 1/3/17 1:46 am, Luigi Rizzo wrote:

On Tue, Feb 28, 2017 at 9:27 AM, Julian Elischer  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# + 0x1).
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 0x00ff/0x0fff bw 200Kbit/s

fb10-cc03# ipfw pipe show
00011: 200.000 Kbit/s0 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 0x/0x -> 0x00ff/0x






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Re: dummynet loses ports mask bits

[Julian Elischer]

On 1/3/17 1:27 am, Julian Elischer 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?


just realised I'm using wrong syntax   need "mask dst-port"
fooled by the fact there was no error.



I'm not sure what the q131053 stuff is about either, but..

--
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 0x00ff/0x0fff bw 
200Kbit/s


fb10-cc03# ipfw pipe show
00011: 200.000 Kbit/s0 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 0x/0x -> 0x00ff/0x

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Re: dummynet loses ports mask bits

[Luigi Rizzo]

On Tue, Feb 28, 2017 at 9:27 AM, Julian Elischer  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# + 0x1).
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

> --
> 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 0x00ff/0x0fff bw 200Kbit/s
>
> fb10-cc03# ipfw pipe show
> 00011: 200.000 Kbit/s0 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 0x/0x -> 0x00ff/0x
>



-- 
-+---
 Prof. Luigi RIZZO, ri...@iet.unipi.it  . Dip. di Ing. dell'Informazione
 http://www.iet.unipi.it/~luigi/. Universita` di Pisa
 TEL  +39-050-2217533   . via Diotisalvi 2
 Mobile   +39-338-6809875   . 56122 PISA (Italy)
-+---
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