i40e: scale msix vector use when more cores than vectors

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When there are more cores than vectors available to the PF, scale back
the LAN msix usage to force queue/vector sharing and leave some vectors
for Flow Director, VMDq, etc.

Change-ID: Ie0317732eb85ad8d851d7da7d9af86b1bf8c21ad
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Patrick Lu <patrick.lu@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Shannon Nelson 2014-10-17 03:14:49 +00:00 • committed by Jeff Kirsher

parent 7204a785e7

commit c135b0de9b

1 changed files with 7 additions and 4 deletions

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drivers/net/ethernet/intel/i40e/i40e_main.c

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