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On Tue, 6 Dec 2022 07:55:06 -0800
Chris Brandson via tcpdump-workers <tcpdump-workers@lists.tcpdump.org>
wrote:
> Hello Denis,
>
> I agree with all of your suggestions, have made the changes and
> pushed to the repo.
Thank you Chris.
I hope you don't mind one more question about the encoding. Would it be
correct to say that the only reliable way to access the MPDU beyond the
Length field (for example, to start reading the MSDU) would be as
follows?
1. Iterate through the TLV space until an RF Info TLV is found or there
is no more TLVs.
2. If the TLV was found, read Region, Data Rate and Frequency from the
TLV and derive Channel Configuration ("1,2" or "3"), otherwise
default to "1,2".
3. Somehow (by parsing MHR?) tell if the MPDU is singlecast or
multicast.
4. From Channel Configuration and singlecast/multicast tell which one of
the four possible MPDU formats to use.
--
Denis Ovsienko
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