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Currently a ct entry is stored in both ct and ct-nat tables. ct action is directed to the ct table, while ct nat action is directed to the nat table. ct-nat entries perform the nat header rewrites, if required. The current design assures that a ct action will match in hardware even if the tuple has nat configured, it will just not execute it. However, storing each connection in two tables increases the system's memory consumption while reducing its insertion rate. Offload a connection to either ct or the ct-nat table. Add a miss fall-through rule from ct-nat table to the ct table allowing ct(nat) action on non-natted connections. ct action on natted connections, by default, will be handled by the software miss path. Signed-off-by: Paul Blakey <paulb@nvidia.com> Signed-off-by: Chris Mi <cmi@nvidia.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/r/20240613210036.1125203-3-tariqt@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.