From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next 6/9] ixgbe: Add Live Error Recovery configuration option Date: Thu, 2 Jan 2014 01:33:38 -0800 Message-ID: <1388655221-25428-7-git-send-email-jeffrey.t.kirsher@intel.com> References: <1388655221-25428-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Mark Rustad , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga02.intel.com ([134.134.136.20]:49554 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750756AbaABJdt (ORCPT ); Thu, 2 Jan 2014 04:33:49 -0500 In-Reply-To: <1388655221-25428-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Mark Rustad CONFIG_IXGBE_LER is added to control LER, Live Error Recovery support to save a little CPU utilization in environments that don't support LER. Thunderbolt environments also benefit from having this enabled. Signed-off-by: Mark Rustad Tested-by: Phil Schmitt Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig index 94adb89..f1646e4 100644 --- a/drivers/net/ethernet/intel/Kconfig +++ b/drivers/net/ethernet/intel/Kconfig @@ -192,6 +192,17 @@ config IXGBE To compile this driver as a module, choose M here. The module will be called ixgbe. +config IXGBE_LER + bool "Intel(R) 10GbE PCI Express LER support" + default y + depends on IXGBE + ---help--- + Say N to disable Live Error Recovery (LER) checks to save a + little CPU utilization. Thunderbolt environments also benefit + from having this enabled. Non-LER environments only suffer a + little increased CPU utilization by leaving this enabled. If + in doubt, say Y. + config IXGBE_HWMON bool "Intel(R) 10GbE PCI Express adapters HWMON support" default y -- 1.8.3.1