[RFC PATCH net-next 6/7] net: enetc: expose some standardized ethtool counters

Vladimir Oltean
2022-08-16T22:29:50Z

Structure the code in such a way that it can be reused later for the
pMAC statistics, by just changing the "mac" argument to 1.

Usage:
ethtool --include-statistics --show-pause eno2
ethtool -S eno0 --groups eth-mac
ethtool -S eno0 --groups eth-ctrl
ethtool -S eno0 --groups rmon

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
.../ethernet/freescale/enetc/enetc_ethtool.c | 111 ++++++++++++++++++
1 file changed, 111 insertions(+)

diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
index 236bb24ec999..25705b2c1be9 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
@@ -301,6 +301,113 @@ static void enetc_get_ethtool_stats(struct net_device *ndev,
data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg);
}

+static void enetc_get_pause_stats(struct net_device *ndev,
+ struct ethtool_pause_stats *pause_stats)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct enetc_hw *hw = &priv->si->hw;
+
+ pause_stats->tx_pause_frames = enetc_port_rd(hw, ENETC_PM_TXPF(0));
+ pause_stats->rx_pause_frames = enetc_port_rd(hw, ENETC_PM_RXPF(0));
+}
+
+static void enetc_mac_stats(struct enetc_hw *hw, int mac,
+ struct ethtool_eth_mac_stats *s)
+{
+ s->FramesTransmittedOK = enetc_port_rd(hw, ENETC_PM_TFRM(mac));
+ s->SingleCollisionFrames = enetc_port_rd(hw, ENETC_PM_TSCOL(mac));
+ s->MultipleCollisionFrames = enetc_port_rd(hw, ENETC_PM_TMCOL(mac));
+ s->FramesReceivedOK = enetc_port_rd(hw, ENETC_PM_RFRM(mac));
+ s->FrameCheckSequenceErrors = enetc_port_rd(hw, ENETC_PM_RFCS(mac));
+ s->AlignmentErrors = enetc_port_rd(hw, ENETC_PM_RALN(mac));
+ s->OctetsTransmittedOK = enetc_port_rd(hw, ENETC_PM_TEOCT(mac));
+ s->FramesWithDeferredXmissions = enetc_port_rd(hw, ENETC_PM_TDFR(mac));
+ s->LateCollisions = enetc_port_rd(hw, ENETC_PM_TLCOL(mac));
+ s->FramesAbortedDueToXSColls = enetc_port_rd(hw, ENETC_PM_TECOL(mac));
+ s->FramesLostDueToIntMACXmitError = enetc_port_rd(hw, ENETC_PM_TERR(mac));
+ s->CarrierSenseErrors = enetc_port_rd(hw, ENETC_PM_TCRSE(mac));
+ s->OctetsReceivedOK = enetc_port_rd(hw, ENETC_PM_REOCT(mac));
+ s->FramesLostDueToIntMACRcvError = enetc_port_rd(hw, ENETC_PM_RDRNTP(mac));
+ s->MulticastFramesXmittedOK = enetc_port_rd(hw, ENETC_PM_TMCA(mac));
+ s->BroadcastFramesXmittedOK = enetc_port_rd(hw, ENETC_PM_TBCA(mac));
+ s->MulticastFramesReceivedOK = enetc_port_rd(hw, ENETC_PM_RMCA(mac));
+ s->BroadcastFramesReceivedOK = enetc_port_rd(hw, ENETC_PM_RBCA(mac));
+}
+
+static void enetc_ctrl_stats(struct enetc_hw *hw, int mac,
+ struct ethtool_eth_ctrl_stats *s)
+{
+ s->MACControlFramesTransmitted = enetc_port_rd(hw, ENETC_PM_TCNP(mac));
+ s->MACControlFramesReceived = enetc_port_rd(hw, ENETC_PM_RCNP(mac));
+}
+
+static const struct ethtool_rmon_hist_range enetc_rmon_ranges[] = {
+ { 64, 64 },
+ { 65, 127 },
+ { 128, 255 },
+ { 256, 511 },
+ { 512, 1023 },
+ { 1024, 1522 },
+ { 1523, 9000 },
+ {},
+};
+
+static void enetc_rmon_stats(struct enetc_hw *hw, int mac,
+ struct ethtool_rmon_stats *s,
+ const struct ethtool_rmon_hist_range **ranges)
+{
+ s->undersize_pkts = enetc_port_rd(hw, ENETC_PM_RUND(mac));
+ s->oversize_pkts = enetc_port_rd(hw, ENETC_PM_ROVR(mac));
+ s->fragments = enetc_port_rd(hw, ENETC_PM_RFRG(mac));
+ s->jabbers = enetc_port_rd(hw, ENETC_PM_RJBR(mac));
+
+ s->hist[0] = enetc_port_rd(hw, ENETC_PM_R64(mac));
+ s->hist[1] = enetc_port_rd(hw, ENETC_PM_R127(mac));
+ s->hist[2] = enetc_port_rd(hw, ENETC_PM_R255(mac));
+ s->hist[3] = enetc_port_rd(hw, ENETC_PM_R511(mac));
+ s->hist[4] = enetc_port_rd(hw, ENETC_PM_R1023(mac));
+ s->hist[5] = enetc_port_rd(hw, ENETC_PM_R1522(mac));
+ s->hist[6] = enetc_port_rd(hw, ENETC_PM_R1523X(mac));
+
+ s->hist_tx[0] = enetc_port_rd(hw, ENETC_PM_T64(mac));
+ s->hist_tx[1] = enetc_port_rd(hw, ENETC_PM_T127(mac));
+ s->hist_tx[2] = enetc_port_rd(hw, ENETC_PM_T255(mac));
+ s->hist_tx[3] = enetc_port_rd(hw, ENETC_PM_T511(mac));
+ s->hist_tx[4] = enetc_port_rd(hw, ENETC_PM_T1023(mac));
+ s->hist_tx[5] = enetc_port_rd(hw, ENETC_PM_T1522(mac));
+ s->hist_tx[6] = enetc_port_rd(hw, ENETC_PM_T1523X(mac));
+
+ *ranges = enetc_rmon_ranges;
+}
+
+static void enetc_get_eth_mac_stats(struct net_device *ndev,
+ struct ethtool_eth_mac_stats *mac_stats)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct enetc_hw *hw = &priv->si->hw;
+
+ enetc_mac_stats(hw, 0, mac_stats);
+}
+
+static void enetc_get_eth_ctrl_stats(struct net_device *ndev,
+ struct ethtool_eth_ctrl_stats *ctrl_stats)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct enetc_hw *hw = &priv->si->hw;
+
+ enetc_ctrl_stats(hw, 0, ctrl_stats);
+}
+
+static void enetc_get_rmon_stats(struct net_device *ndev,
+ struct ethtool_rmon_stats *rmon_stats,
+ const struct ethtool_rmon_hist_range **ranges)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct enetc_hw *hw = &priv->si->hw;
+
+ enetc_rmon_stats(hw, 0, rmon_stats, ranges);
+}
+
#define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \
RXH_IP_DST)
#define ENETC_RSSHASH_L4 (ENETC_RSSHASH_L3 | RXH_L4_B_0_1 | RXH_L4_B_2_3)
@@ -766,6 +873,10 @@ static const struct ethtool_ops enetc_pf_ethtool_ops = {
.get_sset_count = enetc_get_sset_count,
.get_strings = enetc_get_strings,
.get_ethtool_stats = enetc_get_ethtool_stats,
+ .get_pause_stats = enetc_get_pause_stats,
+ .get_rmon_stats = enetc_get_rmon_stats,
+ .get_eth_ctrl_stats = enetc_get_eth_ctrl_stats,
+ .get_eth_mac_stats = enetc_get_eth_mac_stats,
.get_rxnfc = enetc_get_rxnfc,
.set_rxnfc = enetc_set_rxnfc,
.get_rxfh_key_size = enetc_get_rxfh_key_size,
--
2.34.1