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linux-zen-desktop/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c

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// 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"
static const u32 enetc_si_regs[] = {
ENETC_SIMR, ENETC_SIPMAR0, ENETC_SIPMAR1, ENETC_SICBDRMR,
ENETC_SICBDRSR, ENETC_SICBDRBAR0, ENETC_SICBDRBAR1, ENETC_SICBDRPIR,
ENETC_SICBDRCIR, ENETC_SICBDRLENR, ENETC_SICAPR0, ENETC_SICAPR1,
ENETC_SIUEFDCR
};
static const u32 enetc_txbdr_regs[] = {
ENETC_TBMR, ENETC_TBSR, ENETC_TBBAR0, ENETC_TBBAR1,
ENETC_TBPIR, ENETC_TBCIR, ENETC_TBLENR, ENETC_TBIER, ENETC_TBICR0,
ENETC_TBICR1
};
static const u32 enetc_rxbdr_regs[] = {
ENETC_RBMR, ENETC_RBSR, ENETC_RBBSR, ENETC_RBCIR, ENETC_RBBAR0,
ENETC_RBBAR1, ENETC_RBPIR, ENETC_RBLENR, ENETC_RBIER, ENETC_RBICR0,
ENETC_RBICR1
};
static const u32 enetc_port_regs[] = {
ENETC_PMR, ENETC_PSR, ENETC_PSIPMR, ENETC_PSIPMAR0(0),
ENETC_PSIPMAR1(0), ENETC_PTXMBAR, ENETC_PCAPR0, ENETC_PCAPR1,
ENETC_PSICFGR0(0), ENETC_PRFSCAPR, ENETC_PTCMSDUR(0),
ENETC_PM0_CMD_CFG, ENETC_PM0_MAXFRM, ENETC_PM0_IF_MODE
};
static int enetc_get_reglen(struct net_device *ndev)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
int len;
len = ARRAY_SIZE(enetc_si_regs);
len += ARRAY_SIZE(enetc_txbdr_regs) * priv->num_tx_rings;
len += ARRAY_SIZE(enetc_rxbdr_regs) * priv->num_rx_rings;
if (hw->port)
len += ARRAY_SIZE(enetc_port_regs);
len *= sizeof(u32) * 2; /* store 2 entries per reg: addr and value */
return len;
}
static void enetc_get_regs(struct net_device *ndev, struct ethtool_regs *regs,
void *regbuf)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
u32 *buf = (u32 *)regbuf;
int i, j;
u32 addr;
for (i = 0; i < ARRAY_SIZE(enetc_si_regs); i++) {
*buf++ = enetc_si_regs[i];
*buf++ = enetc_rd(hw, enetc_si_regs[i]);
}
for (i = 0; i < priv->num_tx_rings; i++) {
for (j = 0; j < ARRAY_SIZE(enetc_txbdr_regs); j++) {
addr = ENETC_BDR(TX, i, enetc_txbdr_regs[j]);
*buf++ = addr;
*buf++ = enetc_rd(hw, addr);
}
}
for (i = 0; i < priv->num_rx_rings; i++) {
for (j = 0; j < ARRAY_SIZE(enetc_rxbdr_regs); j++) {
addr = ENETC_BDR(RX, i, enetc_rxbdr_regs[j]);
*buf++ = addr;
*buf++ = enetc_rd(hw, addr);
}
}
if (!hw->port)
return;
for (i = 0; i < ARRAY_SIZE(enetc_port_regs); i++) {
addr = ENETC_PORT_BASE + enetc_port_regs[i];
*buf++ = addr;
*buf++ = enetc_rd(hw, addr);
}
}
static const struct {
int reg;
char name[ETH_GSTRING_LEN];
} enetc_si_counters[] = {
{ ENETC_SIROCT, "SI rx octets" },
{ ENETC_SIRFRM, "SI rx frames" },
{ ENETC_SIRUCA, "SI rx u-cast frames" },
{ ENETC_SIRMCA, "SI rx m-cast frames" },
{ ENETC_SITOCT, "SI tx octets" },
{ ENETC_SITFRM, "SI tx frames" },
{ ENETC_SITUCA, "SI tx u-cast frames" },
{ ENETC_SITMCA, "SI tx m-cast frames" },
{ ENETC_RBDCR(0), "Rx ring 0 discarded frames" },
{ ENETC_RBDCR(1), "Rx ring 1 discarded frames" },
{ ENETC_RBDCR(2), "Rx ring 2 discarded frames" },
{ ENETC_RBDCR(3), "Rx ring 3 discarded frames" },
{ ENETC_RBDCR(4), "Rx ring 4 discarded frames" },
{ ENETC_RBDCR(5), "Rx ring 5 discarded frames" },
{ ENETC_RBDCR(6), "Rx ring 6 discarded frames" },
{ ENETC_RBDCR(7), "Rx ring 7 discarded frames" },
{ ENETC_RBDCR(8), "Rx ring 8 discarded frames" },
{ ENETC_RBDCR(9), "Rx ring 9 discarded frames" },
{ ENETC_RBDCR(10), "Rx ring 10 discarded frames" },
{ ENETC_RBDCR(11), "Rx ring 11 discarded frames" },
{ ENETC_RBDCR(12), "Rx ring 12 discarded frames" },
{ ENETC_RBDCR(13), "Rx ring 13 discarded frames" },
{ ENETC_RBDCR(14), "Rx ring 14 discarded frames" },
{ ENETC_RBDCR(15), "Rx ring 15 discarded frames" },
};
static const struct {
int reg;
char name[ETH_GSTRING_LEN];
} enetc_port_counters[] = {
{ ENETC_PM_REOCT(0), "MAC rx ethernet octets" },
{ ENETC_PM_RALN(0), "MAC rx alignment errors" },
{ ENETC_PM_RXPF(0), "MAC rx valid pause frames" },
{ ENETC_PM_RFRM(0), "MAC rx valid frames" },
{ ENETC_PM_RFCS(0), "MAC rx fcs errors" },
{ ENETC_PM_RVLAN(0), "MAC rx VLAN frames" },
{ ENETC_PM_RERR(0), "MAC rx frame errors" },
{ ENETC_PM_RUCA(0), "MAC rx unicast frames" },
{ ENETC_PM_RMCA(0), "MAC rx multicast frames" },
{ ENETC_PM_RBCA(0), "MAC rx broadcast frames" },
{ ENETC_PM_RDRP(0), "MAC rx dropped packets" },
{ ENETC_PM_RPKT(0), "MAC rx packets" },
{ ENETC_PM_RUND(0), "MAC rx undersized packets" },
{ ENETC_PM_R64(0), "MAC rx 64 byte packets" },
{ ENETC_PM_R127(0), "MAC rx 65-127 byte packets" },
{ ENETC_PM_R255(0), "MAC rx 128-255 byte packets" },
{ ENETC_PM_R511(0), "MAC rx 256-511 byte packets" },
{ ENETC_PM_R1023(0), "MAC rx 512-1023 byte packets" },
{ ENETC_PM_R1522(0), "MAC rx 1024-1522 byte packets" },
{ ENETC_PM_R1523X(0), "MAC rx 1523 to max-octet packets" },
{ ENETC_PM_ROVR(0), "MAC rx oversized packets" },
{ ENETC_PM_RJBR(0), "MAC rx jabber packets" },
{ ENETC_PM_RFRG(0), "MAC rx fragment packets" },
{ ENETC_PM_RCNP(0), "MAC rx control packets" },
{ ENETC_PM_RDRNTP(0), "MAC rx fifo drop" },
{ ENETC_PM_TEOCT(0), "MAC tx ethernet octets" },
{ ENETC_PM_TOCT(0), "MAC tx octets" },
{ ENETC_PM_TCRSE(0), "MAC tx carrier sense errors" },
{ ENETC_PM_TXPF(0), "MAC tx valid pause frames" },
{ ENETC_PM_TFRM(0), "MAC tx frames" },
{ ENETC_PM_TFCS(0), "MAC tx fcs errors" },
{ ENETC_PM_TVLAN(0), "MAC tx VLAN frames" },
{ ENETC_PM_TERR(0), "MAC tx frame errors" },
{ ENETC_PM_TUCA(0), "MAC tx unicast frames" },
{ ENETC_PM_TMCA(0), "MAC tx multicast frames" },
{ ENETC_PM_TBCA(0), "MAC tx broadcast frames" },
{ ENETC_PM_TPKT(0), "MAC tx packets" },
{ ENETC_PM_TUND(0), "MAC tx undersized packets" },
{ ENETC_PM_T64(0), "MAC tx 64 byte packets" },
{ ENETC_PM_T127(0), "MAC tx 65-127 byte packets" },
{ ENETC_PM_T255(0), "MAC tx 128-255 byte packets" },
{ ENETC_PM_T511(0), "MAC tx 256-511 byte packets" },
{ ENETC_PM_T1023(0), "MAC tx 512-1023 byte packets" },
{ ENETC_PM_T1522(0), "MAC tx 1024-1522 byte packets" },
{ ENETC_PM_T1523X(0), "MAC tx 1523 to max-octet packets" },
{ ENETC_PM_TCNP(0), "MAC tx control packets" },
{ ENETC_PM_TDFR(0), "MAC tx deferred packets" },
{ ENETC_PM_TMCOL(0), "MAC tx multiple collisions" },
{ ENETC_PM_TSCOL(0), "MAC tx single collisions" },
{ ENETC_PM_TLCOL(0), "MAC tx late collisions" },
{ ENETC_PM_TECOL(0), "MAC tx excessive collisions" },
{ ENETC_UFDMF, "SI MAC nomatch u-cast discards" },
{ ENETC_MFDMF, "SI MAC nomatch m-cast discards" },
{ ENETC_PBFDSIR, "SI MAC nomatch b-cast discards" },
{ ENETC_PUFDVFR, "SI VLAN nomatch u-cast discards" },
{ ENETC_PMFDVFR, "SI VLAN nomatch m-cast discards" },
{ ENETC_PBFDVFR, "SI VLAN nomatch b-cast discards" },
{ ENETC_PFDMSAPR, "SI pruning discarded frames" },
{ ENETC_PICDR(0), "ICM DR0 discarded frames" },
{ ENETC_PICDR(1), "ICM DR1 discarded frames" },
{ ENETC_PICDR(2), "ICM DR2 discarded frames" },
{ ENETC_PICDR(3), "ICM DR3 discarded frames" },
};
static const char rx_ring_stats[][ETH_GSTRING_LEN] = {
"Rx ring %2d frames",
"Rx ring %2d alloc errors",
"Rx ring %2d XDP drops",
"Rx ring %2d recycles",
"Rx ring %2d recycle failures",
"Rx ring %2d redirects",
"Rx ring %2d redirect failures",
};
static const char tx_ring_stats[][ETH_GSTRING_LEN] = {
"Tx ring %2d frames",
"Tx ring %2d XDP frames",
"Tx ring %2d XDP drops",
"Tx window drop %2d frames",
};
static int enetc_get_sset_count(struct net_device *ndev, int sset)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
int len;
if (sset != ETH_SS_STATS)
return -EOPNOTSUPP;
len = ARRAY_SIZE(enetc_si_counters) +
ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings +
ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings;
if (!enetc_si_is_pf(priv->si))
return len;
len += ARRAY_SIZE(enetc_port_counters);
return len;
}
static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
u8 *p = data;
int i, j;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++) {
strscpy(p, enetc_si_counters[i].name, ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < priv->num_tx_rings; i++) {
for (j = 0; j < ARRAY_SIZE(tx_ring_stats); j++) {
snprintf(p, ETH_GSTRING_LEN, tx_ring_stats[j],
i);
p += ETH_GSTRING_LEN;
}
}
for (i = 0; i < priv->num_rx_rings; i++) {
for (j = 0; j < ARRAY_SIZE(rx_ring_stats); j++) {
snprintf(p, ETH_GSTRING_LEN, rx_ring_stats[j],
i);
p += ETH_GSTRING_LEN;
}
}
if (!enetc_si_is_pf(priv->si))
break;
for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) {
strscpy(p, enetc_port_counters[i].name,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
break;
}
}
static void enetc_get_ethtool_stats(struct net_device *ndev,
struct ethtool_stats *stats, u64 *data)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
int i, o = 0;
for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++)
data[o++] = enetc_rd64(hw, enetc_si_counters[i].reg);
for (i = 0; i < priv->num_tx_rings; i++) {
data[o++] = priv->tx_ring[i]->stats.packets;
data[o++] = priv->tx_ring[i]->stats.xdp_tx;
data[o++] = priv->tx_ring[i]->stats.xdp_tx_drops;
data[o++] = priv->tx_ring[i]->stats.win_drop;
}
for (i = 0; i < priv->num_rx_rings; i++) {
data[o++] = priv->rx_ring[i]->stats.packets;
data[o++] = priv->rx_ring[i]->stats.rx_alloc_errs;
data[o++] = priv->rx_ring[i]->stats.xdp_drops;
data[o++] = priv->rx_ring[i]->stats.recycles;
data[o++] = priv->rx_ring[i]->stats.recycle_failures;
data[o++] = priv->rx_ring[i]->stats.xdp_redirect;
data[o++] = priv->rx_ring[i]->stats.xdp_redirect_failures;
}
if (!enetc_si_is_pf(priv->si))
return;
for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++)
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;
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,
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, ENETC_MAC_MAXFRM_SIZE },
{},
};
static void enetc_rmon_stats(struct enetc_hw *hw, int mac,
struct ethtool_rmon_stats *s)
{
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));
}
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;
struct enetc_si *si = priv->si;
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,
struct ethtool_eth_ctrl_stats *ctrl_stats)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
struct enetc_si *si = priv->si;
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,
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;
struct enetc_si *si = priv->si;
*ranges = enetc_rmon_ranges;
switch (rmon_stats->src) {
case ETHTOOL_MAC_STATS_SRC_EMAC:
enetc_rmon_stats(hw, 0, rmon_stats);
break;
case ETHTOOL_MAC_STATS_SRC_PMAC:
if (si->hw_features & ENETC_SI_F_QBU)
enetc_rmon_stats(hw, 1, rmon_stats);
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 | \
RXH_IP_DST)
#define ENETC_RSSHASH_L4 (ENETC_RSSHASH_L3 | RXH_L4_B_0_1 | RXH_L4_B_2_3)
static int enetc_get_rsshash(struct ethtool_rxnfc *rxnfc)
{
static const u32 rsshash[] = {
[TCP_V4_FLOW] = ENETC_RSSHASH_L4,
[UDP_V4_FLOW] = ENETC_RSSHASH_L4,
[SCTP_V4_FLOW] = ENETC_RSSHASH_L4,
[AH_ESP_V4_FLOW] = ENETC_RSSHASH_L3,
[IPV4_FLOW] = ENETC_RSSHASH_L3,
[TCP_V6_FLOW] = ENETC_RSSHASH_L4,
[UDP_V6_FLOW] = ENETC_RSSHASH_L4,
[SCTP_V6_FLOW] = ENETC_RSSHASH_L4,
[AH_ESP_V6_FLOW] = ENETC_RSSHASH_L3,
[IPV6_FLOW] = ENETC_RSSHASH_L3,
[ETHER_FLOW] = 0,
};
if (rxnfc->flow_type >= ARRAY_SIZE(rsshash))
return -EINVAL;
rxnfc->data = rsshash[rxnfc->flow_type];
return 0;
}
/* current HW spec does byte reversal on everything including MAC addresses */
static void ether_addr_copy_swap(u8 *dst, const u8 *src)
{
int i;
for (i = 0; i < ETH_ALEN; i++)
dst[i] = src[ETH_ALEN - i - 1];
}
static int enetc_set_cls_entry(struct enetc_si *si,
struct ethtool_rx_flow_spec *fs, bool en)
{
struct ethtool_tcpip4_spec *l4ip4_h, *l4ip4_m;
struct ethtool_usrip4_spec *l3ip4_h, *l3ip4_m;
struct ethhdr *eth_h, *eth_m;
struct enetc_cmd_rfse rfse = { {0} };
if (!en)
goto done;
switch (fs->flow_type & 0xff) {
case TCP_V4_FLOW:
l4ip4_h = &fs->h_u.tcp_ip4_spec;
l4ip4_m = &fs->m_u.tcp_ip4_spec;
goto l4ip4;
case UDP_V4_FLOW:
l4ip4_h = &fs->h_u.udp_ip4_spec;
l4ip4_m = &fs->m_u.udp_ip4_spec;
goto l4ip4;
case SCTP_V4_FLOW:
l4ip4_h = &fs->h_u.sctp_ip4_spec;
l4ip4_m = &fs->m_u.sctp_ip4_spec;
l4ip4:
rfse.sip_h[0] = l4ip4_h->ip4src;
rfse.sip_m[0] = l4ip4_m->ip4src;
rfse.dip_h[0] = l4ip4_h->ip4dst;
rfse.dip_m[0] = l4ip4_m->ip4dst;
rfse.sport_h = ntohs(l4ip4_h->psrc);
rfse.sport_m = ntohs(l4ip4_m->psrc);
rfse.dport_h = ntohs(l4ip4_h->pdst);
rfse.dport_m = ntohs(l4ip4_m->pdst);
if (l4ip4_m->tos)
netdev_warn(si->ndev, "ToS field is not supported and was ignored\n");
rfse.ethtype_h = ETH_P_IP; /* IPv4 */
rfse.ethtype_m = 0xffff;
break;
case IP_USER_FLOW:
l3ip4_h = &fs->h_u.usr_ip4_spec;
l3ip4_m = &fs->m_u.usr_ip4_spec;
rfse.sip_h[0] = l3ip4_h->ip4src;
rfse.sip_m[0] = l3ip4_m->ip4src;
rfse.dip_h[0] = l3ip4_h->ip4dst;
rfse.dip_m[0] = l3ip4_m->ip4dst;
if (l3ip4_m->tos)
netdev_warn(si->ndev, "ToS field is not supported and was ignored\n");
rfse.ethtype_h = ETH_P_IP; /* IPv4 */
rfse.ethtype_m = 0xffff;
break;
case ETHER_FLOW:
eth_h = &fs->h_u.ether_spec;
eth_m = &fs->m_u.ether_spec;
ether_addr_copy_swap(rfse.smac_h, eth_h->h_source);
ether_addr_copy_swap(rfse.smac_m, eth_m->h_source);
ether_addr_copy_swap(rfse.dmac_h, eth_h->h_dest);
ether_addr_copy_swap(rfse.dmac_m, eth_m->h_dest);
rfse.ethtype_h = ntohs(eth_h->h_proto);
rfse.ethtype_m = ntohs(eth_m->h_proto);
break;
default:
return -EOPNOTSUPP;
}
rfse.mode |= ENETC_RFSE_EN;
if (fs->ring_cookie != RX_CLS_FLOW_DISC) {
rfse.mode |= ENETC_RFSE_MODE_BD;
rfse.result = fs->ring_cookie;
}
done:
return enetc_set_fs_entry(si, &rfse, fs->location);
}
static int enetc_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc,
u32 *rule_locs)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
int i, j;
switch (rxnfc->cmd) {
case ETHTOOL_GRXRINGS:
rxnfc->data = priv->num_rx_rings;
break;
case ETHTOOL_GRXFH:
/* get RSS hash config */
return enetc_get_rsshash(rxnfc);
case ETHTOOL_GRXCLSRLCNT:
/* total number of entries */
rxnfc->data = priv->si->num_fs_entries;
/* number of entries in use */
rxnfc->rule_cnt = 0;
for (i = 0; i < priv->si->num_fs_entries; i++)
if (priv->cls_rules[i].used)
rxnfc->rule_cnt++;
break;
case ETHTOOL_GRXCLSRULE:
if (rxnfc->fs.location >= priv->si->num_fs_entries)
return -EINVAL;
/* get entry x */
rxnfc->fs = priv->cls_rules[rxnfc->fs.location].fs;
break;
case ETHTOOL_GRXCLSRLALL:
/* total number of entries */
rxnfc->data = priv->si->num_fs_entries;
/* array of indexes of used entries */
j = 0;
for (i = 0; i < priv->si->num_fs_entries; i++) {
if (!priv->cls_rules[i].used)
continue;
if (j == rxnfc->rule_cnt)
return -EMSGSIZE;
rule_locs[j++] = i;
}
/* number of entries in use */
rxnfc->rule_cnt = j;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static int enetc_set_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
int err;
switch (rxnfc->cmd) {
case ETHTOOL_SRXCLSRLINS:
if (rxnfc->fs.location >= priv->si->num_fs_entries)
return -EINVAL;
if (rxnfc->fs.ring_cookie >= priv->num_rx_rings &&
rxnfc->fs.ring_cookie != RX_CLS_FLOW_DISC)
return -EINVAL;
err = enetc_set_cls_entry(priv->si, &rxnfc->fs, true);
if (err)
return err;
priv->cls_rules[rxnfc->fs.location].fs = rxnfc->fs;
priv->cls_rules[rxnfc->fs.location].used = 1;
break;
case ETHTOOL_SRXCLSRLDEL:
if (rxnfc->fs.location >= priv->si->num_fs_entries)
return -EINVAL;
err = enetc_set_cls_entry(priv->si, &rxnfc->fs, false);
if (err)
return err;
priv->cls_rules[rxnfc->fs.location].used = 0;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static u32 enetc_get_rxfh_key_size(struct net_device *ndev)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
/* return the size of the RX flow hash key. PF only */
return (priv->si->hw.port) ? ENETC_RSSHASH_KEY_SIZE : 0;
}
static u32 enetc_get_rxfh_indir_size(struct net_device *ndev)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
/* return the size of the RX flow hash indirection table */
return priv->si->num_rss;
}
static int enetc_get_rxfh(struct net_device *ndev, u32 *indir, u8 *key,
u8 *hfunc)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
int err = 0, i;
/* return hash function */
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
/* return hash key */
if (key && hw->port)
for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++)
((u32 *)key)[i] = enetc_port_rd(hw, ENETC_PRSSK(i));
/* return RSS table */
if (indir)
err = enetc_get_rss_table(priv->si, indir, priv->si->num_rss);
return err;
}
void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes)
{
int i;
for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++)
enetc_port_wr(hw, ENETC_PRSSK(i), ((u32 *)bytes)[i]);
}
EXPORT_SYMBOL_GPL(enetc_set_rss_key);
static int enetc_set_rxfh(struct net_device *ndev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
int err = 0;
/* set hash key, if PF */
if (key && hw->port)
enetc_set_rss_key(hw, key);
/* set RSS table */
if (indir)
err = enetc_set_rss_table(priv->si, indir, priv->si->num_rss);
return err;
}
static void enetc_get_ringparam(struct net_device *ndev,
struct ethtool_ringparam *ring,
struct kernel_ethtool_ringparam *kernel_ring,
struct netlink_ext_ack *extack)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
ring->rx_pending = priv->rx_bd_count;
ring->tx_pending = priv->tx_bd_count;
/* do some h/w sanity checks for BDR length */
if (netif_running(ndev)) {
struct enetc_hw *hw = &priv->si->hw;
u32 val = enetc_rxbdr_rd(hw, 0, ENETC_RBLENR);
if (val != priv->rx_bd_count)
netif_err(priv, hw, ndev, "RxBDR[RBLENR] = %d!\n", val);
val = enetc_txbdr_rd(hw, 0, ENETC_TBLENR);
if (val != priv->tx_bd_count)
netif_err(priv, hw, ndev, "TxBDR[TBLENR] = %d!\n", val);
}
}
static int enetc_get_coalesce(struct net_device *ndev,
struct ethtool_coalesce *ic,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_int_vector *v = priv->int_vector[0];
ic->tx_coalesce_usecs = enetc_cycles_to_usecs(priv->tx_ictt);
ic->rx_coalesce_usecs = enetc_cycles_to_usecs(v->rx_ictt);
ic->tx_max_coalesced_frames = ENETC_TXIC_PKTTHR;
ic->rx_max_coalesced_frames = ENETC_RXIC_PKTTHR;
ic->use_adaptive_rx_coalesce = priv->ic_mode & ENETC_IC_RX_ADAPTIVE;
return 0;
}
static int enetc_set_coalesce(struct net_device *ndev,
struct ethtool_coalesce *ic,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
u32 rx_ictt, tx_ictt;
int i, ic_mode;
bool changed;
tx_ictt = enetc_usecs_to_cycles(ic->tx_coalesce_usecs);
rx_ictt = enetc_usecs_to_cycles(ic->rx_coalesce_usecs);
if (ic->rx_max_coalesced_frames != ENETC_RXIC_PKTTHR)
return -EOPNOTSUPP;
if (ic->tx_max_coalesced_frames != ENETC_TXIC_PKTTHR)
return -EOPNOTSUPP;
ic_mode = ENETC_IC_NONE;
if (ic->use_adaptive_rx_coalesce) {
ic_mode |= ENETC_IC_RX_ADAPTIVE;
rx_ictt = 0x1;
} else {
ic_mode |= rx_ictt ? ENETC_IC_RX_MANUAL : 0;
}
ic_mode |= tx_ictt ? ENETC_IC_TX_MANUAL : 0;
/* commit the settings */
changed = (ic_mode != priv->ic_mode) || (priv->tx_ictt != tx_ictt);
priv->ic_mode = ic_mode;
priv->tx_ictt = tx_ictt;
for (i = 0; i < priv->bdr_int_num; i++) {
struct enetc_int_vector *v = priv->int_vector[i];
v->rx_ictt = rx_ictt;
v->rx_dim_en = !!(ic_mode & ENETC_IC_RX_ADAPTIVE);
}
if (netif_running(ndev) && changed) {
/* reconfigure the operation mode of h/w interrupts,
* traffic needs to be paused in the process
*/
enetc_stop(ndev);
enetc_start(ndev);
}
return 0;
}
static int enetc_get_ts_info(struct net_device *ndev,
struct ethtool_ts_info *info)
{
int *phc_idx;
phc_idx = symbol_get(enetc_phc_index);
if (phc_idx) {
info->phc_index = *phc_idx;
symbol_put(enetc_phc_index);
} else {
info->phc_index = -1;
}
#ifdef CONFIG_FSL_ENETC_PTP_CLOCK
info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE |
SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
info->tx_types = (1 << HWTSTAMP_TX_OFF) |
(1 << HWTSTAMP_TX_ON) |
(1 << HWTSTAMP_TX_ONESTEP_SYNC);
info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
(1 << HWTSTAMP_FILTER_ALL);
#else
info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
#endif
return 0;
}
static void enetc_get_wol(struct net_device *dev,
struct ethtool_wolinfo *wol)
{
wol->supported = 0;
wol->wolopts = 0;
if (dev->phydev)
phy_ethtool_get_wol(dev->phydev, wol);
}
static int enetc_set_wol(struct net_device *dev,
struct ethtool_wolinfo *wol)
{
int ret;
if (!dev->phydev)
return -EOPNOTSUPP;
ret = phy_ethtool_set_wol(dev->phydev, wol);
if (!ret)
device_set_wakeup_enable(&dev->dev, wol->wolopts);
return ret;
}
static void enetc_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *pause)
{
struct enetc_ndev_priv *priv = netdev_priv(dev);
phylink_ethtool_get_pauseparam(priv->phylink, pause);
}
static int enetc_set_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *pause)
{
struct enetc_ndev_priv *priv = netdev_priv(dev);
return phylink_ethtool_set_pauseparam(priv->phylink, pause);
}
static int enetc_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *cmd)
{
struct enetc_ndev_priv *priv = netdev_priv(dev);
if (!priv->phylink)
return -EOPNOTSUPP;
return phylink_ethtool_ksettings_get(priv->phylink, cmd);
}
static int enetc_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *cmd)
{
struct enetc_ndev_priv *priv = netdev_priv(dev);
if (!priv->phylink)
return -EOPNOTSUPP;
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);
struct enetc_si *si = priv->si;
struct enetc_hw *hw = &si->hw;
u32 lafs, rafs, val;
if (!(si->hw_features & ENETC_SI_F_QBU))
return -EOPNOTSUPP;
mutex_lock(&priv->mm_lock);
val = enetc_port_rd(hw, ENETC_PFPMR);
state->pmac_enabled = !!(val & ENETC_PFPMR_PMACE);
val = enetc_port_rd(hw, ENETC_MMCSR);
switch (ENETC_MMCSR_GET_VSTS(val)) {
case 0:
state->verify_status = ETHTOOL_MM_VERIFY_STATUS_DISABLED;
break;
case 2:
state->verify_status = ETHTOOL_MM_VERIFY_STATUS_VERIFYING;
break;
case 3:
state->verify_status = ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED;
break;
case 4:
state->verify_status = ETHTOOL_MM_VERIFY_STATUS_FAILED;
break;
case 5:
default:
state->verify_status = ETHTOOL_MM_VERIFY_STATUS_UNKNOWN;
break;
}
rafs = ENETC_MMCSR_GET_RAFS(val);
state->tx_min_frag_size = ethtool_mm_frag_size_add_to_min(rafs);
lafs = ENETC_MMCSR_GET_LAFS(val);
state->rx_min_frag_size = ethtool_mm_frag_size_add_to_min(lafs);
state->tx_enabled = !!(val & ENETC_MMCSR_LPE); /* mirror of MMCSR_ME */
state->tx_active = !!(val & ENETC_MMCSR_LPA);
state->verify_enabled = !(val & ENETC_MMCSR_VDIS);
state->verify_time = ENETC_MMCSR_GET_VT(val);
/* A verifyTime of 128 ms would exceed the 7 bit width
* of the ENETC_MMCSR_VT field
*/
state->max_verify_time = 127;
mutex_unlock(&priv->mm_lock);
return 0;
}
/* FIXME: Workaround for the link partner's verification failing if ENETC
* priorly received too much express traffic. The documentation doesn't
* suggest this is needed.
*/
static void enetc_restart_emac_rx(struct enetc_si *si)
{
u32 val = enetc_port_rd(&si->hw, ENETC_PM0_CMD_CFG);
enetc_port_wr(&si->hw, ENETC_PM0_CMD_CFG, val & ~ENETC_PM0_RX_EN);
if (val & ENETC_PM0_RX_EN)
enetc_port_wr(&si->hw, ENETC_PM0_CMD_CFG, val);
}
static int enetc_set_mm(struct net_device *ndev, struct ethtool_mm_cfg *cfg,
struct netlink_ext_ack *extack)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
struct enetc_si *si = priv->si;
u32 val, add_frag_size;
int err;
if (!(si->hw_features & ENETC_SI_F_QBU))
return -EOPNOTSUPP;
err = ethtool_mm_frag_size_min_to_add(cfg->tx_min_frag_size,
&add_frag_size, extack);
if (err)
return err;
mutex_lock(&priv->mm_lock);
val = enetc_port_rd(hw, ENETC_PFPMR);
if (cfg->pmac_enabled)
val |= ENETC_PFPMR_PMACE;
else
val &= ~ENETC_PFPMR_PMACE;
enetc_port_wr(hw, ENETC_PFPMR, val);
val = enetc_port_rd(hw, ENETC_MMCSR);
if (cfg->verify_enabled)
val &= ~ENETC_MMCSR_VDIS;
else
val |= ENETC_MMCSR_VDIS;
if (cfg->tx_enabled)
priv->active_offloads |= ENETC_F_QBU;
else
priv->active_offloads &= ~ENETC_F_QBU;
/* If link is up, enable MAC Merge right away */
if (!!(priv->active_offloads & ENETC_F_QBU) &&
!(val & ENETC_MMCSR_LINK_FAIL))
val |= ENETC_MMCSR_ME;
val &= ~ENETC_MMCSR_VT_MASK;
val |= ENETC_MMCSR_VT(cfg->verify_time);
val &= ~ENETC_MMCSR_RAFS_MASK;
val |= ENETC_MMCSR_RAFS(add_frag_size);
enetc_port_wr(hw, ENETC_MMCSR, val);
enetc_restart_emac_rx(priv->si);
mutex_unlock(&priv->mm_lock);
return 0;
}
/* When the link is lost, the verification state machine goes to the FAILED
* state and doesn't restart on its own after a new link up event.
* According to 802.3 Figure 99-8 - Verify state diagram, the LINK_FAIL bit
* should have been sufficient to re-trigger verification, but for ENETC it
* doesn't. As a workaround, we need to toggle the Merge Enable bit to
* re-trigger verification when link comes up.
*/
void enetc_mm_link_state_update(struct enetc_ndev_priv *priv, bool link)
{
struct enetc_hw *hw = &priv->si->hw;
u32 val;
mutex_lock(&priv->mm_lock);
val = enetc_port_rd(hw, ENETC_MMCSR);
if (link) {
val &= ~ENETC_MMCSR_LINK_FAIL;
if (priv->active_offloads & ENETC_F_QBU)
val |= ENETC_MMCSR_ME;
} else {
val |= ENETC_MMCSR_LINK_FAIL;
if (priv->active_offloads & ENETC_F_QBU)
val &= ~ENETC_MMCSR_ME;
}
enetc_port_wr(hw, ENETC_MMCSR, val);
mutex_unlock(&priv->mm_lock);
}
EXPORT_SYMBOL_GPL(enetc_mm_link_state_update);
static const struct ethtool_ops enetc_pf_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES |
ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
.get_regs_len = enetc_get_reglen,
.get_regs = enetc_get_regs,
.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,
.get_rxfh_indir_size = enetc_get_rxfh_indir_size,
.get_rxfh = enetc_get_rxfh,
.set_rxfh = enetc_set_rxfh,
.get_ringparam = enetc_get_ringparam,
.get_coalesce = enetc_get_coalesce,
.set_coalesce = enetc_set_coalesce,
.get_link_ksettings = enetc_get_link_ksettings,
.set_link_ksettings = enetc_set_link_ksettings,
.get_link = ethtool_op_get_link,
.get_ts_info = enetc_get_ts_info,
.get_wol = enetc_get_wol,
.set_wol = enetc_set_wol,
.get_pauseparam = enetc_get_pauseparam,
.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 = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES |
ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
.get_regs_len = enetc_get_reglen,
.get_regs = enetc_get_regs,
.get_sset_count = enetc_get_sset_count,
.get_strings = enetc_get_strings,
.get_ethtool_stats = enetc_get_ethtool_stats,
.get_rxnfc = enetc_get_rxnfc,
.set_rxnfc = enetc_set_rxnfc,
.get_rxfh_indir_size = enetc_get_rxfh_indir_size,
.get_rxfh = enetc_get_rxfh,
.set_rxfh = enetc_set_rxfh,
.get_ringparam = enetc_get_ringparam,
.get_coalesce = enetc_get_coalesce,
.set_coalesce = enetc_set_coalesce,
.get_link = ethtool_op_get_link,
.get_ts_info = enetc_get_ts_info,
};
void enetc_set_ethtool_ops(struct net_device *ndev)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
if (enetc_si_is_pf(priv->si))
ndev->ethtool_ops = &enetc_pf_ethtool_ops;
else
ndev->ethtool_ops = &enetc_vf_ethtool_ops;
}
EXPORT_SYMBOL_GPL(enetc_set_ethtool_ops);
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