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net: enetc: add support for MAC Merge statistics counters 

Add PF driver support for the following:

- Viewing the standardized MAC Merge layer counters.

- Viewing the standardized Ethernet MAC and RMON counters associated
  with the pMAC.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20230206094531.444988-2-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vladimir Oltean 2023-02-06 11:45:31 +02:00 коммит произвёл Jakub Kicinski
Родитель c7b9e80869
Коммит cf52bd238b
2 изменённых файлов: 85 добавлений и 5 удалений
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84
drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
Просмотреть файл

@ -1,6 +1,7 @@
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/* Copyright 2017-2019 NXP */
#include <linux/ethtool_netlink.h>
#include <linux/net_tstamp.h>
#include <linux/module.h>
#include "enetc.h"
@ -299,14 +300,32 @@ static void enetc_get_ethtool_stats(struct net_device *ndev,
data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg);
}
static void enetc_pause_stats(struct enetc_hw *hw, int mac,
struct ethtool_pause_stats *pause_stats)
{
pause_stats->tx_pause_frames = enetc_port_rd(hw, ENETC_PM_TXPF(mac));
pause_stats->rx_pause_frames = enetc_port_rd(hw, ENETC_PM_RXPF(mac));
}
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;
struct enetc_si *si = priv->si;
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));
switch (pause_stats->src) {
case ETHTOOL_MAC_STATS_SRC_EMAC:
enetc_pause_stats(hw, 0, pause_stats);
break;
case ETHTOOL_MAC_STATS_SRC_PMAC:
if (si->hw_features & ENETC_SI_F_QBU)
enetc_pause_stats(hw, 1, pause_stats);
break;
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
ethtool_aggregate_pause_stats(ndev, pause_stats);
break;
}
}
static void enetc_mac_stats(struct enetc_hw *hw, int mac,
@ -383,8 +402,20 @@ static void enetc_get_eth_mac_stats(struct net_device *ndev,
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
struct enetc_si *si = priv->si;
enetc_mac_stats(hw, 0, mac_stats);
switch (mac_stats->src) {
case ETHTOOL_MAC_STATS_SRC_EMAC:
enetc_mac_stats(hw, 0, mac_stats);
break;
case ETHTOOL_MAC_STATS_SRC_PMAC:
if (si->hw_features & ENETC_SI_F_QBU)
enetc_mac_stats(hw, 1, mac_stats);
break;
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
ethtool_aggregate_mac_stats(ndev, mac_stats);
break;
}
}
static void enetc_get_eth_ctrl_stats(struct net_device *ndev,
@ -392,8 +423,20 @@ static void enetc_get_eth_ctrl_stats(struct net_device *ndev,
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
struct enetc_si *si = priv->si;
enetc_ctrl_stats(hw, 0, ctrl_stats);
switch (ctrl_stats->src) {
case ETHTOOL_MAC_STATS_SRC_EMAC:
enetc_ctrl_stats(hw, 0, ctrl_stats);
break;
case ETHTOOL_MAC_STATS_SRC_PMAC:
if (si->hw_features & ENETC_SI_F_QBU)
enetc_ctrl_stats(hw, 1, ctrl_stats);
break;
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
ethtool_aggregate_ctrl_stats(ndev, ctrl_stats);
break;
}
}
static void enetc_get_rmon_stats(struct net_device *ndev,
@ -402,8 +445,20 @@ static void enetc_get_rmon_stats(struct net_device *ndev,
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
struct enetc_si *si = priv->si;
enetc_rmon_stats(hw, 0, rmon_stats, ranges);
switch (rmon_stats->src) {
case ETHTOOL_MAC_STATS_SRC_EMAC:
enetc_rmon_stats(hw, 0, rmon_stats, ranges);
break;
case ETHTOOL_MAC_STATS_SRC_PMAC:
if (si->hw_features & ENETC_SI_F_QBU)
enetc_rmon_stats(hw, 1, rmon_stats, ranges);
break;
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
ethtool_aggregate_rmon_stats(ndev, rmon_stats);
break;
}
}
#define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \
@ -863,6 +918,24 @@ static int enetc_set_link_ksettings(struct net_device *dev,
return phylink_ethtool_ksettings_set(priv->phylink, cmd);
}
static void enetc_get_mm_stats(struct net_device *ndev,
struct ethtool_mm_stats *s)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
struct enetc_si *si = priv->si;
if (!(si->hw_features & ENETC_SI_F_QBU))
return;
s->MACMergeFrameAssErrorCount = enetc_port_rd(hw, ENETC_MMFAECR);
s->MACMergeFrameSmdErrorCount = enetc_port_rd(hw, ENETC_MMFSECR);
s->MACMergeFrameAssOkCount = enetc_port_rd(hw, ENETC_MMFAOCR);
s->MACMergeFragCountRx = enetc_port_rd(hw, ENETC_MMFCRXR);
s->MACMergeFragCountTx = enetc_port_rd(hw, ENETC_MMFCTXR);
s->MACMergeHoldCount = enetc_port_rd(hw, ENETC_MMHCR);
}
static int enetc_get_mm(struct net_device *ndev, struct ethtool_mm_state *state)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
@ -1037,6 +1110,7 @@ static const struct ethtool_ops enetc_pf_ethtool_ops = {
.set_pauseparam = enetc_set_pauseparam,
.get_mm = enetc_get_mm,
.set_mm = enetc_set_mm,
.get_mm_stats = enetc_get_mm_stats,
};
static const struct ethtool_ops enetc_vf_ethtool_ops = {

6
drivers/net/ethernet/freescale/enetc/enetc_hw.h
Просмотреть файл

@ -240,6 +240,12 @@ enum enetc_bdr_type {TX, RX};
#define ENETC_MMCSR_LPA BIT(2) /* Local Preemption Active */
#define ENETC_MMCSR_LPE BIT(1) /* Local Preemption Enabled */
#define ENETC_MMCSR_LPS BIT(0) /* Local Preemption Supported */
#define ENETC_MMFAECR 0x1f08
#define ENETC_MMFSECR 0x1f0c
#define ENETC_MMFAOCR 0x1f10
#define ENETC_MMFCRXR 0x1f14
#define ENETC_MMFCTXR 0x1f18
#define ENETC_MMHCR 0x1f1c
#define ENETC_PTCMSDUR(n) (0x2020 + (n) * 4) /* n = TC index [0..7] */
#define ENETC_PMAC_OFFSET 0x1000