ixgbe: show <2% for encoding loss on PCIe Gen3
This patch updates the ixgbe_check_minimum_link function to correctly show that
there is some minor loss of encoding, even though we don't calculate it in the
max GT/s equation. It is small enough to not bother, but is better to report it
than not.
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>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index ee90dfb..9753c8a 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -245,7 +245,7 @@
max_gts = 4 * width;
break;
case PCIE_SPEED_8_0GT:
- /* 128b/130b encoding only reduces throughput by 1% */
+ /* 128b/130b encoding reduces throughput by less than 2% */
max_gts = 8 * width;
break;
default:
@@ -263,7 +263,7 @@
width,
(speed == PCIE_SPEED_2_5GT ? "20%" :
speed == PCIE_SPEED_5_0GT ? "20%" :
- speed == PCIE_SPEED_8_0GT ? "N/a" :
+ speed == PCIE_SPEED_8_0GT ? "<2%" :
"Unknown"));
if (max_gts < expected_gts) {