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Driver is now prepared for building the skb around the existing Rx buffer, so introduce the ice_build_skb responsible for it. Make use of XDP's data_meta as well. I've observed around 30% less CPU consumption with build_skb Rx path, in comparison to legacy Rx. What stands behind such result is the avoidance of flow_dissector (which we were diving into via eth_get_headlen) and no memcpy calls. Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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.