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: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

3 files changed, 7 insertions, 1 deletions

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index f8d3deccc9b2..3f66abc45a2e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -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;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 0e7f0dd14d5f..54e7d0981039 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -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" :
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index 6652e96c352d..05df36ef9884 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -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
 };