net: bcmasp: Add support for ethtool standard stats

Add support for eth_mac_stats, rmon_stats, and eth_ctrl_stats.
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/asp2/bcmasp_ethtool.c

@@ -250,6 +250,80 @@ static int bcmasp_set_eee(struct net_device *dev, struct ethtool_eee *e)
 	return phy_ethtool_set_eee(dev->phydev, e);
 }
 
+static void bcmasp_get_eth_mac_stats(struct net_device *dev,
+				     struct ethtool_eth_mac_stats *mac_stats)
+{
+	struct bcmasp_intf *intf = netdev_priv(dev);
+
+	mac_stats->FramesTransmittedOK = umac_rl(intf, UMC_GTPOK);
+	mac_stats->SingleCollisionFrames = umac_rl(intf, UMC_GTSCL);
+	mac_stats->MultipleCollisionFrames = umac_rl(intf, UMC_GTMCL);
+	mac_stats->FramesReceivedOK = umac_rl(intf, UMC_GRPOK);
+	mac_stats->FrameCheckSequenceErrors = umac_rl(intf, UMC_GRFCS);
+	mac_stats->AlignmentErrors = umac_rl(intf, UMC_GRALN);
+	mac_stats->OctetsTransmittedOK = umac_rl(intf, UMC_GTBYT);
+	mac_stats->FramesWithDeferredXmissions = umac_rl(intf, UMC_GTDRF);
+	mac_stats->LateCollisions = umac_rl(intf, UMC_GTLCL);
+	mac_stats->FramesAbortedDueToXSColls = umac_rl(intf, UMC_GTXCL);
+	mac_stats->OctetsReceivedOK = umac_rl(intf, UMC_GRBYT);
+	mac_stats->MulticastFramesXmittedOK = umac_rl(intf, UMC_GTMCA);
+	mac_stats->BroadcastFramesXmittedOK = umac_rl(intf, UMC_GTBCA);
+	mac_stats->FramesWithExcessiveDeferral = umac_rl(intf, UMC_GTEDF);
+	mac_stats->MulticastFramesReceivedOK = umac_rl(intf, UMC_GRMCA);
+	mac_stats->BroadcastFramesReceivedOK = umac_rl(intf, UMC_GRBCA);
+}
+
+static const struct ethtool_rmon_hist_range bcmasp_rmon_ranges[] = {
+	{    0,   64},
+	{   65,  127},
+	{  128,  255},
+	{  256,  511},
+	{  512, 1023},
+	{ 1024, 1518},
+	{ 1519, 1522},
+	{}
+};
+
+static void bcmasp_get_rmon_stats(struct net_device *dev,
+				  struct ethtool_rmon_stats *rmon_stats,
+				  const struct ethtool_rmon_hist_range **ranges)
+{
+	struct bcmasp_intf *intf = netdev_priv(dev);
+
+	*ranges = bcmasp_rmon_ranges;
+
+	rmon_stats->undersize_pkts = umac_rl(intf, UMC_RRUND);
+	rmon_stats->oversize_pkts = umac_rl(intf, UMC_GROVR);
+	rmon_stats->fragments = umac_rl(intf, UMC_RRFRG);
+	rmon_stats->jabbers = umac_rl(intf, UMC_GRJBR);
+
+	rmon_stats->hist[0] = umac_rl(intf, UMC_GR64);
+	rmon_stats->hist[1] = umac_rl(intf, UMC_GR127);
+	rmon_stats->hist[2] = umac_rl(intf, UMC_GR255);
+	rmon_stats->hist[3] = umac_rl(intf, UMC_GR511);
+	rmon_stats->hist[4] = umac_rl(intf, UMC_GR1023);
+	rmon_stats->hist[5] = umac_rl(intf, UMC_GR1518);
+	rmon_stats->hist[6] = umac_rl(intf, UMC_GRMGV);
+
+	rmon_stats->hist_tx[0] = umac_rl(intf, UMC_TR64);
+	rmon_stats->hist_tx[1] = umac_rl(intf, UMC_TR127);
+	rmon_stats->hist_tx[2] = umac_rl(intf, UMC_TR255);
+	rmon_stats->hist_tx[3] = umac_rl(intf, UMC_TR511);
+	rmon_stats->hist_tx[4] = umac_rl(intf, UMC_TR1023);
+	rmon_stats->hist_tx[5] = umac_rl(intf, UMC_TR1518);
+	rmon_stats->hist_tx[6] = umac_rl(intf, UMC_TRMGV);
+}
+
+static void bcmasp_get_eth_ctrl_stats(struct net_device *dev,
+				      struct ethtool_eth_ctrl_stats *ctrl_stats)
+{
+	struct bcmasp_intf *intf = netdev_priv(dev);
+
+	ctrl_stats->MACControlFramesTransmitted = umac_rl(intf, UMC_GTXCF);
+	ctrl_stats->MACControlFramesReceived = umac_rl(intf, UMC_GRXCF);
+	ctrl_stats->UnsupportedOpcodesReceived = umac_rl(intf, UMC_GRXUO);
+}
+
 const struct ethtool_ops bcmasp_ethtool_ops = {
 	.get_drvinfo		= bcmasp_get_drvinfo,
 	.get_link		= ethtool_op_get_link,
@@ -263,4 +337,7 @@ const struct ethtool_ops bcmasp_ethtool_ops = {
 	.set_rxnfc		= bcmasp_set_rxnfc,
 	.set_eee		= bcmasp_set_eee,
 	.get_eee		= bcmasp_get_eee,
+	.get_eth_mac_stats	= bcmasp_get_eth_mac_stats,
+	.get_rmon_stats		= bcmasp_get_rmon_stats,
+	.get_eth_ctrl_stats	= bcmasp_get_eth_ctrl_stats,
 };

drivers/net/ethernet/broadcom/asp2/bcmasp_intf_defs.h

@@ -45,7 +45,68 @@
 #define  UMC_EEE_LPI_TIMER		0x68
 #define  UMC_PAUSE_CNTRL		0x330
 #define  UMC_TX_FLUSH			0x334
-#define  UMC_MIB_START			0x400
+#define  UMC_GR64			0x400
+#define  UMC_GR127			0x404
+#define  UMC_GR255			0x408
+#define  UMC_GR511			0x40c
+#define  UMC_GR1023			0x410
+#define  UMC_GR1518			0x414
+#define  UMC_GRMGV			0x418
+#define  UMC_GR2047			0x41c
+#define  UMC_GR4095			0x420
+#define  UMC_GR9216			0x424
+#define  UMC_GRPKT			0x428
+#define  UMC_GRBYT			0x42c
+#define  UMC_GRMCA			0x430
+#define  UMC_GRBCA			0x434
+#define  UMC_GRFCS			0x438
+#define  UMC_GRXCF			0x43c
+#define  UMC_GRXPF			0x440
+#define  UMC_GRXUO			0x444
+#define  UMC_GRALN			0x448
+#define  UMC_GRFLR			0x44c
+#define  UMC_GRCDE			0x450
+#define  UMC_GRFCR			0x454
+#define  UMC_GROVR			0x458
+#define  UMC_GRJBR			0x45c
+#define  UMC_GRMTUE			0x460
+#define  UMC_GRPOK			0x464
+#define  UMC_GRUC			0x468
+#define  UMC_GRPPP			0x46c
+#define  UMC_GRMCRC			0x470
+#define  UMC_TR64			0x480
+#define  UMC_TR127			0x484
+#define  UMC_TR255			0x488
+#define  UMC_TR511			0x48c
+#define  UMC_TR1023			0x490
+#define  UMC_TR1518			0x494
+#define  UMC_TRMGV			0x498
+#define  UMC_TR2047			0x49c
+#define  UMC_TR4095			0x4a0
+#define  UMC_TR9216			0x4a4
+#define  UMC_GTPKT			0x4a8
+#define  UMC_GTMCA			0x4ac
+#define  UMC_GTBCA			0x4b0
+#define  UMC_GTXPF			0x4b4
+#define  UMC_GTXCF			0x4b8
+#define  UMC_GTFCS			0x4bc
+#define  UMC_GTOVR			0x4c0
+#define  UMC_GTDRF			0x4c4
+#define  UMC_GTEDF			0x4c8
+#define  UMC_GTSCL			0x4cc
+#define  UMC_GTMCL			0x4d0
+#define  UMC_GTLCL			0x4d4
+#define  UMC_GTXCL			0x4d8
+#define  UMC_GTFRG			0x4dc
+#define  UMC_GTNCL			0x4e0
+#define  UMC_GTJBR			0x4e4
+#define  UMC_GTBYT			0x4e8
+#define  UMC_GTPOK			0x4ec
+#define  UMC_GTUC			0x4f0
+#define  UMC_RRPKT			0x500
+#define  UMC_RRUND			0x504
+#define  UMC_RRFRG			0x508
+#define  UMC_RRBYT			0x50c
 #define  UMC_MIB_CNTRL			0x580
 #define   UMC_MIB_CNTRL_RX_CNT_RST	BIT(0)
 #define   UMC_MIB_CNTRL_RUNT_CNT_RST	BIT(1)