Date: Wed, 14 Jun 2000 09:48:44 -0500 (CDT) From: Mark Tinguely <tinguely@plains.NoDak.edu> To: jgreco@ns.sol.net, jpt@networkcs.com Cc: freebsd-atm@FreeBSD.ORG Subject: Re: HARP and BPF Message-ID: <200006141448.JAA27074@plains.NoDak.edu>
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<deletes>
> That being said, adding BPF at the IP level can be considered
> a trivial task... I think literally less than one dozen lines of code.
> What's harder, and I admit that I haven't been following the tcpdump
> et. al. discussions, is adding ATM support. That is, passing info
> such as VPI/VCI so that one could say, decode UNI messages as well
> as IP traffic.
>
> You could take a look at most any if_* driver with BPF and then
> look at /usr/src/sys/netatm/ipatm/{ipatm_input.c,ipatm_output.c}.
he could also look at the BPF additions to the IDT NICStAR ATM driver
and the associated atmdump program from:
ftp://ftp.cs.ndsu.nodak.edu/pub/freebsd/atm/nicstar.tgz
ftp://ftp.cs.ndsu.nodak.edu/pub/freebsd/atm/atm-bpf.tgz
the BPF adddition could go into any other ATM driver.
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