Wireshark-bugs: [Wireshark-bugs] [Bug 11656] extcap: abort when validating capture filter for DL
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 03 Nov 2015 07:52:10 +0000

Comment # 3 on bug 11656 from 
Either if Wireshark aborts or does not start the capture because libpcap can
not validate the capture filter for the given linktype we would not be able to
use a capture filter with extcap, as in change request
I75f0d7dbec810551225377f9221053298488cdd5

Would it make sense to avoid checking the capture filter when using DLT_USER*
(and maybe others) linktypes?  We would not get a green/red validation, but
extcap will be able to use the capture filter.  This would be a work-around
until we fix bug 11668.

Maybe we could mark the capture filter with a yellow warning (as we do with the
display filter) describing that the capture interface may not be able to
understand the filter.

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