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Commit 3126dcb7 authored by Shannon Nelson's avatar Shannon Nelson Committed by Jeff Kirsher
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i40e: adjust ITR max and min values 



Set the ITR max and min values to match the hardware max value
and the recommended min value.  These values are shifted right
one bit because the register counts in 2 usec units, so leave
a comment to explain.

Change-ID: I289c27955cf6c566a6d21b95c3110b88cbb15dad
Signed-off-by: default avatarShannon Nelson <shannon.nelson@intel.com>
Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: default avatarKavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 8ee75a8e

drivers/net/ethernet/intel/i40e/i40e_txrx.h

+2 −3
Original line number Diff line number Diff line
@@ -29,9 +29,8 @@ 


/* Interrupt Throttling and Rate Limiting (storm control) Goodies */



#define I40E_MAX_ITR               0x07FF

#define I40E_MIN_ITR               0x0001

#define I40E_ITR_USEC_RESOLUTION   2

#define I40E_MAX_ITR               0x0FF0  /* reg uses 2 usec resolution */

#define I40E_MIN_ITR               0x0004  /* reg uses 2 usec resolution */

#define I40E_MAX_IRATE             0x03F

#define I40E_MIN_IRATE             0x001

#define I40E_IRATE_USEC_RESOLUTION 4