tcpdump mailing list archives

Re: proposal: rename DLT_PRISM_HEADER


From: David Young <dyoung () ojctech com>
Date: Mon, 18 Nov 2002 18:45:48 -0600


On Mon, Nov 18, 2002 at 04:04:21PM -0500, Stuffed Crust wrote:
http://www.shaftnet.org/~pizza/software/capturefrm.txt is the current
spec as implemented in the linux-wlan-ng driver and the ethereal
dissector.  Have a look; it's considerably more sane and flexible than
the old format, and it's not tied closely to any one hardware type.

I will use the AVS capture format in NetBSD, but I have some questions
and suggestions.

May we call this DLT_IEEE802_11_RADIO?

What are the units for the mactime? The hosttime? It would be nice if
the units were standardized (nanoseconds, picoseconds) or if the header
carried some units indication. Also, is it desirable to indicate which
packet feature the mactime marks (PLCP header, 802.11 header, packet end)?

Is the dot11AntennaList given in the 802.11 spec?

Any idea how the version numbers be coordinated?

Any particular reason for the super-generous, 32-bit fields?

Dave

-- 
David Young             OJC Technologies
dyoung () ojctech com      Engineering from the Right Brain
                        Urbana, IL * (217) 278-3933
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