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36fa21520f
Current implementation of igc_ethtool_update_nfc_rule() is a bit convoluted since it handles too many things: rule lookup, deletion and addition. This patch breaks it into three functions so we simplify the code and improve code reuse. Code related to rule lookup is refactored out to a new function called igc_get_nfc_rule(). Code related to rule addition is refactored out to a new function called igc_add_nfc_rule(). This function enables the rule in hardware and adds it to the adapter's list. Code related to rule deletion is refactored out to a new function called igc_del_nfc_rule(). This function disables the rule in hardware, removes it from adapter's list, and deletes it. As a byproduct of this refactoring, igc_enable_nfc_rule() and igc_disable_nfc_rule() are moved to igc_main.c since they are not used in igc_ethtool.c anymore, and igc_restore_nfc_rules() and igc_nfc_rule_ exit() are moved around to avoid forward declaration. Also, since this patch already touches igc_ethtool_get_nfc_rule(), it takes the opportunity to remove the 'match_flags' check. Empty flags are not allowed to be added so no need to check that. 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.