From 3126dcb7368c152d74cda11a025328853948f9b9 Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Sat, 21 Dec 2013 05:44:47 +0000 Subject: [PATCH] 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: Shannon Nelson Signed-off-by: Jesse Brandeburg Tested-by: Kavindya Deegala Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_txrx.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index 6f8506c181d9..93b8642d77cd 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -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 -- 2.39.5