Wireshark-users: Re: [Wireshark-users] t-shark add column output: radiotap.datarate, how to?
Thanks Jaap! I sincerely appreciate the response.
- George
Jaap Keuter wrote:
Hi,
Unfortunately not. The code that shows the value in Wireshark is
proto_tree_add_uint_format(radiotap_tree, hf_radiotap_datarate,
tvb, offset, 1, tvb_get_guint8(tvb, offset),
"Data Rate: %d.%d Mb/s", rate / 2, rate & 1 ? 5 : 0);
What this says is that the raw packet value is set as value for this field,
while the presentation is a digested version of it. You get to see the raw value
as output.
But it's your lucky day. There is already a column with the correct value: %x
Thanx,
Jaap
George Nychis wrote:
Hi all,
I was digging through the wireshark mailing list archives and found this
post:
http://www.wireshark.org/lists/wireshark-users/200805/msg00147.html
Sake mentions:
"Added to that that it's now possible to add any field to the -Ttext
output by using '"<title>", "%Cus:<fieldname>"' this gives you about all
the flexibility you want."
I would like to output radiotap.datarate, just as Wireshark would output
it, so I put:
'"Rate", "%Cus:radiotap.datarate"'
... however it outputs 2*radiotap.datarate, which is actually how I
think it is stored in the radiotap header. But, is there any way to get
it to output it like Wireshark does, as radiotap.datarate/2 as a float?
Thanks!
George
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