Date: Thu, 21 Oct 2004 15:38:15 -0700 From: Vincent Poy <vincepoy@gmail.com> To: Andre Oppermann <andre@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Traffic Shaping not working correctly after ipfw coverted to use pfil_hooks API Message-ID: <429af92e04102115383f671b7@mail.gmail.com> In-Reply-To: <417835C7.7060808@freebsd.org> References: <429af92e041020205510c66168@mail.gmail.com> <4177B899.5EC32F5F@freebsd.org> <429af92e04102114472add0e51@mail.gmail.com> <417835C7.7060808@freebsd.org>
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On Fri, 22 Oct 2004 00:18:47 +0200, Andre Oppermann <andre@freebsd.org> wrote:
> Vincent Poy wrote:
> > On Thu, 21 Oct 2004 15:24:41 +0200, Andre Oppermann <andre@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@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@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@bigbang [3:37pm][/home/vince] >>
Cheers,
Vince
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