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794e5bc817
The helper igc_mac_entry_can_be_used() implementation is a bit convoluted since it does two different things: find a not-in-use slot in mac_table or find an in-use slot where the address and address type match. This patch does a code refactoring and break it up into two helper functions. With this patch we might traverse mac_table twice in some situations, but this is not harmful performance-wise (mac_table has only 16 entries and adding mac filters is not hot-path), and it improves igc_add_mac_ filter() readability considerably. Signed-off-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@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.