Traffic Shaping not working correctly after ipfw coverted touse pfil_hooks API

[Andre Oppermann]

[bouncing over to Luigi]

Luigi, do you have any idea what might be going wrong here?

-- 
Andre


Vincent Poy wrote:
> 
> On Fri, 22 Oct 2004 00:18:47 +0200, Andre Oppermann <andre at freebsd.org> wrote:
> > Vincent Poy wrote:
> > > On Thu, 21 Oct 2004 15:24:41 +0200, Andre Oppermann <andre at freebsd.org> wrote:
> > >
> > >>Vincent Poy wrote:
> > >>
> > >>>However, after the latest -CURRENT upgrade, it will do 200KB/sec down
> > >>>and 52KB/sec up.  If I only download only, then it does show
> > >>>650KB/sec.  Normally, when I change the bandwidth to a number lower
> > >>>than 480Kbps for the pipe, the download speeds would go up when
> > >>>downloading.  However, I have tried in 10kbps steps down to 350kbps
> > >>>but it still did not top 200KB/sec in downloading.
> > >>
> > >>Interesting.  I have just looked through the ipfw to pfil_hooks changes
> > >>as they relate to dummynet.  The only change to dummynet is to remove a
> > >>stored pointer to the rtentry.  This doesn't influence the shaping and
> > >>limiting of dummynet in any way.  Other than that the way ipfw gets
> > >>called has changed and thus how dummynet is invoked too.
> > >>
> > >>Can you verify that all dummynet queues and pipes are in use?  The only
> > >>thing I can imagine is that somehow the dummynet info gets mangled and
> > >>everything goes into the same queue/pipe.  Although that is unlikely.
> > >
> > >
> > > Yeah, it's weird since I was trying to fine tune the bandwidth size of
> > > the upstream pipe but noticed the download side was now only
> > > delivering 1/3rd the speed it used to no matter what I set the
> > > upstream side to since I'm only using ipfw/dummynet on the upstream
> > > side as the downstream packets go directly from my ISP to the other
> > > machines on the /29.  How do I verify all dummynet queues and pipes
> > > are in use though?   this is the output from ipfw show:
> >
> >  ipfw pipe show
> >  ipfw queue show
> >
> > will do the trick.
> 
> Here's the output...
> 
> root at bigbang [3:35pm][/home/vince] >> ipfw pipe show
> 00001: 480.000 Kbit/s    0 ms   50 sl. 0 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> q00001: weight 100 pipe 1   50 sl. 1 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
>  0 tcp  208.201.244.225/3254    64.12.185.119/80    2298723
> 1664167302  0    0 6116
> q00002: weight 66 pipe 1   50 sl. 1 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
>  0 udp  208.201.244.225/2979     217.12.4.104/53    346608 32488287  0    0   0
> q00003: weight 33 pipe 1   50 sl. 1 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
>  0 tcp  208.201.244.225/3254    64.12.185.119/80    36965 11308730  0    0  60
> q00004: weight 1 pipe 1   50 sl. 1 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
>  0 tcp  208.201.244.226/3746  216.155.193.173/5050  10058  3530197  0    0   0
> root at bigbang [3:37pm][/home/vince] >> ipfw queue show
> q00001: weight 100 pipe 1   50 sl. 1 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
>  0 tcp  208.201.244.225/3254    64.12.185.119/80    2298737
> 1664167862  0    0 6116
> q00002: weight 66 pipe 1   50 sl. 1 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
>  0 udp  208.201.244.225/2979     217.12.4.104/53    346608 32488287  0    0   0
> q00003: weight 33 pipe 1   50 sl. 1 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
>  0 tcp  208.201.244.225/3254    64.12.185.119/80    36965 11308730  0    0  60
> q00004: weight 1 pipe 1   50 sl. 1 queues (1 buckets) droptail
>    mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
>  0 tcp  208.201.244.226/3746  216.155.193.173/5050  10058  3530197  0    0   0
> root at bigbang [3:37pm][/home/vince] >>
> 
> Cheers,
> Vince