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Sabrina Dubroca bd97c29f7e macsec: add some of the lower device's features when offloading
This commit extends the set of netdevice features supported by macsec
devices when offload is enabled, which increases performance
significantly (for a single TCP stream: 17.5Gbps to 38.5Gbps on my
test machines).

Commit c850240b6c ("net: macsec: report real_dev features when HW
offloading is enabled") previously attempted something similar, but
had to be reverted (commit 8bcd560ae8 ("Revert "net: macsec: report
real_dev features when HW offloading is enabled"")) because the set of
features it exposed was too large.

During initialization, all features are set, and they're then removed
via ndo_fix_features (macsec_fix_features). This allows the
offloadable features to be automatically enabled if offloading is
turned on after device creation.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/8b32c3011d269d6f149724e80c1ffe67c9534067.1730929545.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
History 2024-11-11 14:12:21 -08:00
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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.