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VJ>Moreover in order to emulate an ATM link, I think that Netgraph could
VJ>be used too to provide a virtual PIF. For example in order to emulate
VJ>an ATM link without any ATM board, a ng_HARPDEVICE node could provide
VJ>on one side a Netgraph hook and on the other side a HARP PIF (Physical
VJ>Interface). The Netgraph hook could be used over a UDP socket that
VJ>emulates the physical ATM link.
That's actually a nice idea. I see if I can do something like this.
Remembers me of some ATM over ethernet stuff from Bell Labs.
How would you multiplex the VCs on UDP/TCP?
VJ>Then what are the differences between your PCA200 driver and the HARP's
VJ>one ?
# uname -a
FreeBSD catssrv.fokus.gmd.de 5.0-CURRENT FreeBSD 5.0-CURRENT #18: Tue Jan
28 11:49:32 CET 2003 hbb@xxxxxxxxxxxxxxxxxxxx:/opt/obj/usr/src/sys/CATSSRV sparc64
# ifconfig
hme0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.229.23 netmask 0xffffff00 broadcast 192.168.229.255
ether 08:00:20:b5:d3:15
media: Ethernet autoselect (100baseTX)
status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
hatm0: flags=841<UP,RUNNING,SIMPLEX> mtu 9180
media: ATM UTP/155MBit
status: active
fatm0: flags=841<UP,RUNNING,SIMPLEX> mtu 9180
media: ATM UTP/155MBit
status: active
lane0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1516
inet 192.168.173.7 netmask 0xffffff00 broadcast 192.168.173.255
ether 00:a0:3e:23:02:00
Regards,
harti
--
harti brandt, http://www.fokus.gmd.de/research/cc/cats/employees/hartmut.brandt/private
brandt@xxxxxxxxxxxxxxxxxxx, harti@xxxxxxxxxxx
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