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24e2e2a0b8
Currently in ice_vc_ena_qs_msg() we are incorrectly validating the
virtchnl queue select bitmaps. The virtchnl_queue_select rx_queues and
tx_queue bitmap is being compared against ICE_MAX_BASE_QS_PER_VF, but
the problem is that these bitmaps can have a value greater than
ICE_MAX_BASE_QS_PER_VF. Fix this by comparing the bitmaps against
BIT(ICE_MAX_BASE_QS_PER_VF).
Also, add the function ice_vc_validate_vqs_bitmaps() that checks to see
if both virtchnl_queue_select bitmaps are empty along with checking that
the bitmaps only have valid bits set. This function can then be used in
both the queue enable and disable flows.
Arkady Gilinksky's patch on the intel-wired-lan mailing list
("i40e/iavf: Fix msg interface between VF and PF") made me
aware of this issue.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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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.