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Next patch will set the same hardware domain for all bridge ports, including VXLAN, to prevent packets from being forwarded by software when they were already forwarded by hardware. ARP packets are not flooded by hardware to VXLAN, so software should handle such flooding. When hardware domain of VXLAN device will be changed, ARP packets which are trapped and marked with offload_fwd_mark will not be flooded to VXLAN also in software, which will break VXLAN traffic. To prevent such breaking, trap ARP packets at layer 2 and don't mark them as L2-forwarded in hardware, then flooding ARP packets will be done only in software, and VXLAN will send ARP packets. Remove NVE_ENCAP_ARP which is no longer needed, as now ARP packets are trapped when they enter the device. Signed-off-by: Amit Cohen <amcohen@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/b2a2cc607a1f4cb96c10bd3b0b0244ba3117fd2e.1742224300.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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 reStructuredText markup notation.
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.