| // 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; |
| } |
| |
| 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); |
| |
| 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); |