* Different approach

* add event

* fix test

* cleanup

* cleanup

* lower timeout of GMLAN Scanner

* apply feedback

Fixes to some RadioTap fields:
- timestamp
- HE
- RU
- L-SIG

802.11 new tubtypes:
- 802.11-2020 Table 9-1
- 802.11ax-2021 Table 9-1

* contrib/pnio: Fix tests for PNIO Alarms

The PNIO Alarms tests use ProfinetIO but this is defined in
scapy.contrib.pnio which wasn't being imported. Import it now
so the test run instead of erroring out.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>

* contrib/pnio: Add IODReadReq and IODReadRes

Similar to IODWriteRe{q,s}. Add support for the IODRead.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>

Add support for decoding the PDPortDataAdjust, and it's collective
sub-block types.

Add GARP, GVRP and GMRP protocols

First check if we are in a git archive, THEN try to call git THEN use
VERSION

fixes #3623

Add RadiusAttr_Acct_Status_Type, RadiusAttr_Acct_Authentic and
RadiusAttr_Acct_Terminate_Cause to scapy/layers/radius.py. The field
values are already in _radius_attrs_values, only the the corresponding
classes were missing.

* fix TypeError while building _OptionsField for the HBHOptUnknown of
IPv6ExtHdrHopByHop and IPv6ExtHdrDestOpt with autopad=0

Added ESMC protocol accorting to ITU-T G.8264/Y.1364

Split slow protocol into seperate file to prepare for use by ESMC.

* Read pcapng comment option

* Write pcapng comment option

* Fix bytes comment issue

* Applying gpotter2 comments

Co-authored-by: Laurent Laubin <llaubin@quarkslab.com>

ipsec.py incorrectly uses the cipher block size to pad ESP for CCM,
CTR and GCM algorithms. These algorithms do not require this
padding, and it can result in packets not being delivered (e.g., MTU
violations).

fixes #2322

References:
  CCM: https://datatracker.ietf.org/doc/html/rfc4309#section-3.2
  CTR: https://datatracker.ietf.org/doc/html/rfc3686#section-2.3
  GCM: https://datatracker.ietf.org/doc/html/rfc4106#section-3.2

Signed-off-by: Christian Hopps <chopps@labn.net>

Co-authored-by: Sergey Matsievskiy <matsievskiy@fastwel.ru>