Re: [design] test failures in HEAD

[Bill Fenner <fenner () research att com>]

>  Can we assign them a DLT value, and tell them to get with it?

The backwards compatability bit is tough but at least partially doable; a
trace file captured on OpenBSD with OpenBSD tcpdump may not be decodable
with tcpdump.org's tcpdump.  We assigned DLT 117 to their "old" pflog
type, and they started using DLT 117 for their "new" pflog type, which
we will (probably) assign DLT 143-ish.  libpcap and tcpdump will have
to have different handlers for old and new PFLOG DLTs.

There's still the cross-platform problem, in that pflog dump files
will have the platform-specific address family in them, but if pflog
is going to exist on more than one platform then that's just going
to be a fact of life.

  Bill
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