Comment # 6
on bug 9158
from Peter Paluch
(In reply to comment #5)
> (In reply to comment #4)
> > Jeff, I am not sure I understand your suggestion but my natural idea would
> > be to display both bitmasks in the subtree of DSAP/SSAP value, the SAP and
> > the I/G or C/R bit, while not adding any new fields to the top-level tree,
>
> Yes, that seems reasonable too. Maybe someone else might have a different
> opinion on the display in the current patch but to me it does "feel" kind of
> incomplete or funny. But it may just be me.
Jeff,
I will be happy to update my patch in this way. I would like to ask you for a
little guidance, though: the DSAP field is split into <7:SAP><1:G/I> bit
fields, the SSAP field is split into <7:SAP><1:C/R>. If I define a bitmask of
0xF7 in the corresponding hf_ entry to isolate the SAP value, any
proto_tree_add_... function will first shift the SAP value by 1 bit to the
right and only then use this shifted value when displaying it and when
translating it to the protocol name. This is obviously wrong. What I need is to
isolate the SAP value but not shift it during display and conversion to
protocol name. How can I do this?
Thank you!
Best regards,
Peter
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