ixgbe: fix RSS limit for X550
authorEmil Tantilov <emil.s.tantilov@intel.com>
Fri, 20 Nov 2015 21:02:16 +0000 (13:02 -0800)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Wed, 30 Dec 2015 03:16:07 +0000 (19:16 -0800)
commite9ee3238f8a480bbca58e51d02a93628d7c1f265
tree05980fe48d39955e552351f2d846885319e59f86
parentfb8ad4a592c627783dc18cc147c7f4de55cf318d
ixgbe: fix RSS limit for X550

X550 allows for up to 64 RSS queues, but the driver can have max
of 63 (-1 MSIX vector for link).

On systems with >= 64 CPUs the driver will set the redirection table
for all 64 queues which will result in packets being dropped.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/ixgbe/ixgbe.h