igc: Clean up the hw_stats structure

Remove ictxptc, ictxatc, cbtmpc, cbrdpc, cbrmpc and htcbdpc fields from
the hw_stats structure. Accordance to the i225 device
specification these fields not in use.
This patch come to clean up the driver code.

Signed-off-by: Sasha Neftin <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>

Author: aneftin

drivers/net/ethernet/intel/igc/igc_hw.h

@@ -268,15 +268,9 @@ struct igc_hw_stats {
 	u64 tsctc;
 	u64 tsctfc;
 	u64 iac;
-	u64 ictxptc;
-	u64 ictxatc;
-	u64 cbtmpc;
 	u64 htdpmc;
-	u64 cbrdpc;
-	u64 cbrmpc;
 	u64 rpthc;
 	u64 hgptc;
-	u64 htcbdpc;
 	u64 hgorc;
 	u64 hgotc;
 	u64 lenerrs;

drivers/net/ethernet/intel/igc/igc_mac.c

@@ -296,9 +296,6 @@ void igc_clear_hw_cntrs_base(struct igc_hw *hw)
 
 	rd32(IGC_IAC);
 
-	rd32(IGC_ICTXPTC);
-	rd32(IGC_ICTXATC);
-
 	rd32(IGC_RPTHC);
 	rd32(IGC_TLPIC);
 	rd32(IGC_RLPIC);

drivers/net/ethernet/intel/igc/igc_main.c

@@ -3730,8 +3730,6 @@ void igc_update_stats(struct igc_adapter *adapter)
 	adapter->stats.tsctc += rd32(IGC_TSCTC);
 
 	adapter->stats.iac += rd32(IGC_IAC);
-	adapter->stats.ictxptc += rd32(IGC_ICTXPTC);
-	adapter->stats.ictxatc += rd32(IGC_ICTXATC);
 
 	/* Fill out the OS statistics structure */
 	net_stats->multicast = adapter->stats.mprc;

drivers/net/ethernet/intel/igc/igc_regs.h

@@ -172,8 +172,6 @@
 #define IGC_BPTC	0x040F4  /* Broadcast Packets Tx Count - R/clr */
 #define IGC_TSCTC	0x040F8  /* TCP Segmentation Context Tx - R/clr */
 #define IGC_IAC		0x04100  /* Interrupt Assertion Count */
-#define IGC_ICTXPTC	0x0410C  /* Interrupt Cause Tx Pkt Timer Expire Count */
-#define IGC_ICTXATC	0x04110  /* Interrupt Cause Tx Abs Timer Expire Count */
 #define IGC_RPTHC	0x04104  /* Rx Packets To Host */
 #define IGC_TLPIC	0x04148  /* EEE Tx LPI Count */
 #define IGC_RLPIC	0x0414C  /* EEE Rx LPI Count */