igb: Change to use statically allocated array for MSIx entries
This patch changes how the driver initializes MSIx and checks for MSIx configuration. This change makes it easier to reconfigure the device when queue changes happen at runtime using ethtool's set_channels feature. Signed-off-by: NCarolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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