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Date: Wed, 8 Sep 2004 10:11:30 +0200 (CEST)
From: Harti Brandt <harti@freebsd.org>
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To: donatas <donatas@lrtc.net>
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cc: freebsd-net@freebsd.org
Subject: Re: netgraph cpcsinit + vcc parrameters
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On Wed, 8 Sep 2004, donatas wrote:

d>hello,
d>I use netgraph for :
d>
d>hatm: <-------------> atmllc <--------->em
d>
d>also I  use vcc chanels:
d>
d>ngctl msg hatm0: cpcsinit {name="sig1" aal=5 vci=55}
d>
d>I need to set some more vcc parameters ( ubr, pixel-rate, burst-size)
d>
d>it was possible to do using atmconfig
d>( atmconfig natm add 1.1.1.1 hatm0 0 55 LLC/SNAP vbr 1331 1330 50)
d>
d>but how to realize those settings using cpcsinit ? it sets some default values

That's easy. Have a look at /usr/include/netgraph/atm/ng_atm.h and locate
the definition of NGM_ATM_CPCS_INIT_INFO. There you see all the applicable
paremeters to cpcsinit. 'traffic' is the traffic type - see 
/usr/include/net/if_atm.h for the ATMIO_TRAFFIC_* values.

Note however, that for UBR there is no sense in specifying PCR or burst
size. Perhaps you mean VBR? If you need VBR you must use an IDT77252 based 
card - the others don't support VBR.

harti