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The DECAP_ECN0 trap will be used to trap packets where the overlay packet is marked with Non-ECT, but the underlay packet is marked with either ECT(0), ECT(1) or CE. When trapped, such packets will be counted as errors by the VxLAN driver and thus provide better visibility. The NVE_ENCAP_ARP trap will be used to trap ARP packets undergoing NVE encapsulation. This is needed in order to support E-VPN ARP suppression, where the Linux bridge does not flood ARP packets through tunnel ports in case it can answer the ARP request itself. Note that all the packets trapped via these traps are marked with 'offload_fwd_mark', so as to not be re-flooded by the Linux bridge through the ASIC ports. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.