Wireshark-bugs: [Wireshark-bugs] [Bug 7000] DBM TX Attenuation taking location in gui
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 26 Mar 2012 13:45:14 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7000

--- Comment #1 from Guy Harris <guy@xxxxxxxxxxxx> 2012-03-26 13:45:14 PDT ---
There are no present flags in any Wiretap header, so I assume you meant "Inside
the *radiotap* header".

The radiotap defined fields:

    http://www.radiotap.org/defined-fields

have no dBm TX attenuation field; they have, instead, a unitless TX attenuation
field:

    http://www.radiotap.org/defined-fields/TX%20attenuation

and a dB TX attenuation field:

    http://www.radiotap.org/defined-fields/dB%20TX%20attenuation

In the 1.6.2 code:

   
http://anonsvn.wireshark.org/viewvc/releases/wireshark-1.6.2/epan/dissectors/packet-radiotap-defs.h?revision=38942&view=markup

the two bits are defined differently:

        IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
        IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,

so I don't see what the problem is.  Could you give a more complete description
of what you see, and, if possible, attach a capture file that shows the
problem?

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