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There are situations where the driver needs to add a MAC filter but we're explicitly not allowed to sleep so we can wait for a virtchnl message to complete. This adds an async_handler for asynchronously sent messages for MAC filters so that we can better handle if there's an error of some kind. If success we don't need to do anything else, but if we failed to program the new filter we really should remove it from our list of MAC filters. If we don't remove bad filters, what I expect to happen is after a reset of some kind we try to program the MAC filter again and it fails again. This is clearly wrong and I would expect to be confusing for the user. It could also be the failure is for a delete MAC filter message but those filters get deleted regardless. Not much we can do about a delete failure. Tested-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Alan Brady <alan.brady@intel.com> Tested-by: Krishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@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.