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authorJacob Keller <jacob.e.keller@intel.com>2013-10-18 07:09:19 +0200
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2013-10-29 11:38:26 +0100
commit9f0a433ce69d63ae2c45ef801b9b1d8967165350 (patch)
tree15c0cee830b0012dd75b29be902b8b0f5f61239c /drivers/net/ethernet
parentixgbe: fix qv_lock_napi call in ixgbe_napi_disable_all (diff)
downloadlinux-9f0a433ce69d63ae2c45ef801b9b1d8967165350.tar.xz
linux-9f0a433ce69d63ae2c45ef801b9b1d8967165350.zip
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>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index ee90dfb518aa..9753c8a07e8d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -245,7 +245,7 @@ static void ixgbe_check_minimum_link(struct ixgbe_adapter *adapter,
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 @@ static void ixgbe_check_minimum_link(struct ixgbe_adapter *adapter,
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) {