Re: Link Layer Type Request NETANALYZER_NG

[Jan Adam via tcpdump-workers <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
>
> From: Jan Adam <JAdam () hilscher com>
>
> Date: Thu, 25 Mar 2021 14:15:28 +0000
>
> Thank you for explaining in such a great detail.
>
>
> > It's about either 1) saying "slicing is forbidden" or 2) saying "here's how you do slicing".
>
> I would rather not introduce the limitation if not really necessary. The way you described earlier made sense to me so 
> I am fine with that.
>
>
> > Perhaps that's an indication that Wireshark needs to do a better job of distinguishing between metadata headers and 
> > packet data, then.
> > (I already think so, as 1) counting metadata headers as data means, for example, that you get bogus bytes/second 
> > values and 2) separating
> > them may make it more straightforward to implement transformation from, for example,
>
> This sounds like a good approach to the problem.
>
> > I'm not sure there *are* any currently cases where a given LINKTYPE_ value specifies a metadata trailer.
>
> So to me it seems there is currently no mechanism relying on the meta data to be in form of a header. I would like to 
> go on with the footer structure if you are OK with that.
>
>
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