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Commit e8710a5f authored by Jacob Keller's avatar Jacob Keller Committed by Jeff Kirsher
Browse files

ixgbe: Enable support for recognizing PCI-e Gen3 link speed 



This patch adds support for displaying PCIe Gen3 link speed, which was
previously missing from the driver.

Signed-off-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Tested-by: default avatarPhil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 7f66162b

drivers/net/ethernet/intel/ixgbe/ixgbe_common.c

+3 −0
Original line number Diff line number Diff line
@@ -635,6 +635,9 @@ s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw) 
	case IXGBE_PCI_LINK_SPEED_5000:

		hw->bus.speed = ixgbe_bus_speed_5000;

		break;

	case IXGBE_PCI_LINK_SPEED_8000:

		hw->bus.speed = ixgbe_bus_speed_8000;

		break;

	default:

		hw->bus.speed = ixgbe_bus_speed_unknown;

		break;

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+2 −1
Original line number Diff line number Diff line
@@ -7490,7 +7490,8 @@ skip_sriov: 


	/* print bus type/speed/width info */

	e_dev_info("(PCI Express:%s:%s) %pM\n",

		   (hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0GT/s" :

		   (hw->bus.speed == ixgbe_bus_speed_8000 ? "8.0GT/s" :

		    hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0GT/s" :

		    hw->bus.speed == ixgbe_bus_speed_2500 ? "2.5GT/s" :

		    "Unknown"),

		   (hw->bus.width == ixgbe_bus_width_pcie_x8 ? "Width x8" :

drivers/net/ethernet/intel/ixgbe/ixgbe_type.h

+2 −0
Original line number Diff line number Diff line
@@ -1827,6 +1827,7 @@ enum { 
#define IXGBE_PCI_LINK_SPEED      0xF

#define IXGBE_PCI_LINK_SPEED_2500 0x1

#define IXGBE_PCI_LINK_SPEED_5000 0x2

#define IXGBE_PCI_LINK_SPEED_8000 0x3

#define IXGBE_PCI_HEADER_TYPE_REGISTER  0x0E

#define IXGBE_PCI_HEADER_TYPE_MULTIFUNC 0x80

#define IXGBE_PCI_DEVICE_CONTROL2_16ms  0x0005
@@ -2650,6 +2651,7 @@ enum ixgbe_bus_speed { 
	ixgbe_bus_speed_133     = 133,

	ixgbe_bus_speed_2500    = 2500,

	ixgbe_bus_speed_5000    = 5000,

	ixgbe_bus_speed_8000    = 8000,

	ixgbe_bus_speed_reserved

};