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Alexander Lobakin says: ==================== udp: allow forwarding of plain (non-fraglisted) UDP GRO packets This series allows to form UDP GRO packets in cases without sockets (for forwarding). To not change the current datapath, this is performed only when the new corresponding netdev feature is enabled via Ethtool (and fraglisted GRO is disabled). Prior to this point, only fraglisted UDP GRO was available. Plain UDP GRO shows better forwarding performance when a target NIC is capable of GSO UDP offload. Since v3 [2]: - rename introduced netdev feature to reflect that it targets forwarding and don't touch fraglisted GRO at all (Willem de Bruijn). Since v2 [1]: - convert to a series; - new: add new netdev_feature to explicitly enable/disable UDP GRO when there is no socket, defaults to off (Paolo Abeni). Since v1 [0]: - drop redundant 'if (sk)' check (Alexander Duyck); - add a ref in the commit message to one more commit that was an important step for UDP GRO forwarding. [0] https://lore.kernel.org/netdev/20210112211536.261172-1-alobakin@pm.me [1] https://lore.kernel.org/netdev/20210113103232.4761-1-alobakin@pm.me [2] https://lore.kernel.org/netdev/20210118193122.87271-1-alobakin@pm.me ==================== Link: https://lore.kernel.org/r/20210122181909.36340-1-alobakin@pm.me 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 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.