igc: Add Receive Error Counter

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>
mariux64 · May 29, 2020 · 51c657b · 51c657b
1 parent 758b51e
commit 51c657b
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diff --git 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_hw *hw)
 	rd32(IGC_MCC);
 	rd32(IGC_LATECOL);
 	rd32(IGC_COLC);
+	rd32(IGC_RERC);
 	rd32(IGC_DC);
 	rd32(IGC_SEC);
 	rd32(IGC_RLEC);

diff --git 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)
 
 	adapter->stats.tpt += rd32(IGC_TPT);
 	adapter->stats.colc += rd32(IGC_COLC);
+	adapter->stats.colc += rd32(IGC_RERC);
 
 	adapter->stats.algnerrc += rd32(IGC_ALGNERRC);
 

diff --git 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 */