Wireshark-bugs: [Wireshark-bugs] [Bug 3747] ambiguous value for radiotap datarate
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 23 Jul 2009 02:34:11 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3747


Guy Harris <guy@xxxxxxxxxxxx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         OS/Version|Windows XP                  |All
           Platform|x86                         |All
         Resolution|FIXED                       |




--- Comment #2 from Guy Harris <guy@xxxxxxxxxxxx>  2009-07-23 02:34:06 PDT ---
The data rate is in units of .5 Mb/s, so dividing it by 2 loses information -
and, yes, I have at least one radiotap capture where at least one packet was
transmitted at a rate of 5.5 Mb/s.

Therefore, we should either

    1) make the data rate field an FT_FLOAT or FT_DOUBLE, and multiply the raw
value from the radiotap header by .5 and use that as the value of the field

or

    2) somehow associate with the field something to indicate that the field
should be displayed as .5 times its actual value.

I've backed out the change to divide the data rate by 2; we should fix this in
some other fashion.


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