Re: DLT for RFtap

[George Hopkins via tcpdump-workers <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
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> From: George Hopkins <george-hopkins () null net>
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> Date: Sat, 12 Sep 2020 14:57:15 +0200
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> On Fri, Sep 11, 2020 at 01:16:03PM -0400, Michael Richardson wrote:
> > I think that I fail to understand some subletie in the question.
> > I think that RFtap is essentially a new DLT which happens to be able to
> > include other DLT inside of it?
>
> Yes, specifically I was looking for a pre-built way to store the
> frequency offset and signal power of packets received over a custom
> radio interface. RFtap would fit these requirements and is already
> supported by Wireshark.
>
> > pcapng has a better solution to that, but I respect that it isn't ubiquitous
> > yet. (I blame myself really)
>
> I'm not opposed to using pcapng for this purpose, I just looked for the
> easiest way possible. Would you mind giving me a hint how to do store it
> in pcapng? As far as I understood the specifications the information
> could be stored as a (custom) option in an Enhanced Packet Block. Is
> there a better/already specified way to do it?
>
> --- End Message ---
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