https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7639
--- Comment #77 from Michal Labedzki <michal.labedzki@xxxxxxxxx> 2012-09-21 04:34:01 PDT ---
(In reply to comment #74)
> Comment on attachment 9175 [details]
> [PATCH 12] Bluetooth: Use p_*_proto_data APIs for protocols
>
> Hi,
> per_proto_data has session scope e.g the memory will be keept around as long as
> th capture file is open. You can't use ep alloced memmory inside the struct and
> you must be careful of the memory consumtion penalty of storing per packet
> data.
Right. But, is there any way to do that in way like this?
Example:
There is one frame with 6 protocols.
P1 -> P2 -> P3 -> P4 -> P5 -> P6
How to obtain data (field?) from P1 in P5? For now I only see put data in all
protocols by pinfo->private_data. This is not flexible, because (P2-P4) does
not use it, but must implement adding data to own private_data structure (I
guess pass along previous private_data is not allowed).
Maybe we should create similar API for that case? This will avoid mixing
protocols data (P3 should not know about that data)
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