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[ Upstream commitf9a10440f0] Currently in Rx data path IPsec crypto offloaded packets uses csum_none flag, so checksum is handled by the stack, this naturally have some performance/cpu utilization impact on such flows. As Nvidia NIC starting from ConnectX6DX provides checksum complete value out of the box also for such flows there is no sense in taking csum_none path, furthermore the stack (xfrm) have the method to handle checksum complete corrections for such flows i.e. IPsec trailer removal and consequently checksum value adjustment. Because of the above and in addition the ConnectX6DX is the first HW which supports IPsec crypto offload then it is safe to report csum complete for IPsec offloaded traffic. Fixes:b2ac7541e3("net/mlx5e: IPsec: Add Connect-X IPsec Rx data path offload") Signed-off-by: Raed Salem <raeds@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Sasha Levin <sashal@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 Restructured Text 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.