Simple arithmetical operations for Display Filters

This issue was migrated from bug 15504 in our old bug tracker.

Original bug information:

Reporter: Vladimir Gerasimov
Status: UNCONFIRMED
Product: Wireshark
Component: Qt UI
OS: All
Platform: x86-64
Version: 2.6.6

Edited Nov 24, 2021 by João Valverde

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information