ethtool: Add helper routines to pass vf to rx_flow_spec
The ring_cookie is 64 bits wide which is much larger than can be used for actual queue index values. So provide some helper routines to pack a VF index into the cookie. This is useful to steer packets to a VF ring without having to know the queue layout of the device. CC: Alex Duyck <alexander.h.duyck@redhat.com> Signed-off-by: NJohn Fastabend <john.r.fastabend@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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