NAME

       dnsjit.core.object.gre - Generic Routing Encapsulation (GRE) part of a packet

DESCRIPTION

       The GRE part of a packet that usually can be found in the object chain after parsing with,
       for example, Layer filter.  See RFC 1701.

   Attributes
       gre_flags
              The GRE flags.

       ether_type
              The protocol type of the payload packet.

       checksum
              The checksum of the GRE header and the payload packet.

       key    The Key field contains a four octet number which was inserted by the encapsulator.

       sequence
              The Sequence Number field contains an unsigned 32 bit integer which is inserted  by
              the encapsulator.

   Functions
       Gre:type()
              Return the textual type of the object.

       Gre:prev()
              Return the previous object.

       Gre:cast()
              Cast the object to the underlining object module and return it.

       Gre:uncast()
              Cast the object to the generic object module and return it.

       Gre:copy()
              Make a copy of the object and return it.

       Gre:free()
              Free the object, should only be used on copies or otherwise allocated.

SEE ALSO

       dnsjit.core.object(3), dnsjit.filter.layer(3)

AUTHORS and CONTRIBUTORS

       Jerry Lundström (DNS-OARC), Tomáš Křížek (CZ.NIC), Petr Špaček (ISC)

       Maintained by DNS-OARC

              https://www.dns-oarc.net/

BUGS

       For issues and feature requests please use:

              https://github.com/DNS-OARC/dnsjit/issues

       For question and help please use:

              admin@dns-oarc.net