i40e: partition the ring_cookie to get VF index

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Do not use the user-def field for determining the VF target. Instead,
similar to ixgbe, partition the ring_cookie value into 8bits of VF
index, along with 32bits of queue number. This is better than using the
user-def field, because it leaves the field open for extension in
a future patch which will enable flexible data. Also, this matches with
convention used by ixgbe and other drivers.

Change-Id: Ie36745186d817216b12f0313b99ec95cb8a9130c
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Jacob Keller 2017-02-06 14:38:48 -08:00 • committed by Jeff Kirsher

parent 9229e99334

commit 43b15697a3

1 changed files with 40 additions and 34 deletions

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74

drivers/net/ethernet/intel/i40e/i40e_ethtool.c

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