From: Sasha Neftin <sasha.neftin@intel.com>
Date: Tue, 19 May 2020 17:55:42 +0300
Subject: igc: Add Receive Error Counter
Patch-mainline: v5.8-rc1
Git-commit: 51c657b42f58fcf061dfd6d01df26ff1701ae72c
References: jsc#SLE-13533
Receive error counter reflect total number of non-filtered
packets received with errors. This includes: CRC error,
symbol error, Rx data error and carrier extend error.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/intel/igc/igc_mac.c | 1 +
drivers/net/ethernet/intel/igc/igc_main.c | 1 +
drivers/net/ethernet/intel/igc/igc_regs.h | 1 +
3 files changed, 3 insertions(+)
--- a/drivers/net/ethernet/intel/igc/igc_mac.c
+++ b/drivers/net/ethernet/intel/igc/igc_mac.c
@@ -241,6 +241,7 @@ void igc_clear_hw_cntrs_base(struct igc_
rd32(IGC_MCC);
rd32(IGC_LATECOL);
rd32(IGC_COLC);
+ rd32(IGC_RERC);
rd32(IGC_DC);
rd32(IGC_SEC);
rd32(IGC_RLEC);
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3740,6 +3740,7 @@ void igc_update_stats(struct igc_adapter
adapter->stats.tpt += rd32(IGC_TPT);
adapter->stats.colc += rd32(IGC_COLC);
+ adapter->stats.colc += rd32(IGC_RERC);
adapter->stats.algnerrc += rd32(IGC_ALGNERRC);
--- a/drivers/net/ethernet/intel/igc/igc_regs.h
+++ b/drivers/net/ethernet/intel/igc/igc_regs.h
@@ -134,6 +134,7 @@
#define IGC_MCC 0x0401C /* Multiple Collision Count - R/clr */
#define IGC_LATECOL 0x04020 /* Late Collision Count - R/clr */
#define IGC_COLC 0x04028 /* Collision Count - R/clr */
+#define IGC_RERC 0x0402C /* Receive Error Count - R/clr */
#define IGC_DC 0x04030 /* Defer Count - R/clr */
#define IGC_TNCRS 0x04034 /* Tx-No CRS - R/clr */
#define IGC_SEC 0x04038 /* Sequence Error Count - R/clr */