598 lines
17 KiB
C
598 lines
17 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
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/* Copyright 2017-2019 NXP */
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#include <linux/net_tstamp.h>
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#include <linux/module.h>
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#include "enetc.h"
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static const u32 enetc_si_regs[] = {
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ENETC_SIMR, ENETC_SIPMAR0, ENETC_SIPMAR1, ENETC_SICBDRMR,
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ENETC_SICBDRSR, ENETC_SICBDRBAR0, ENETC_SICBDRBAR1, ENETC_SICBDRPIR,
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ENETC_SICBDRCIR, ENETC_SICBDRLENR, ENETC_SICAPR0, ENETC_SICAPR1,
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ENETC_SIUEFDCR
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};
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static const u32 enetc_txbdr_regs[] = {
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ENETC_TBMR, ENETC_TBSR, ENETC_TBBAR0, ENETC_TBBAR1,
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ENETC_TBPIR, ENETC_TBCIR, ENETC_TBLENR, ENETC_TBIER
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};
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static const u32 enetc_rxbdr_regs[] = {
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ENETC_RBMR, ENETC_RBSR, ENETC_RBBSR, ENETC_RBCIR, ENETC_RBBAR0,
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ENETC_RBBAR1, ENETC_RBPIR, ENETC_RBLENR, ENETC_RBICIR0, ENETC_RBIER
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};
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static const u32 enetc_port_regs[] = {
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ENETC_PMR, ENETC_PSR, ENETC_PSIPMR, ENETC_PSIPMAR0(0),
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ENETC_PSIPMAR1(0), ENETC_PTXMBAR, ENETC_PCAPR0, ENETC_PCAPR1,
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ENETC_PSICFGR0(0), ENETC_PRFSCAPR, ENETC_PTCMSDUR(0),
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ENETC_PM0_CMD_CFG, ENETC_PM0_MAXFRM, ENETC_PM0_IF_MODE
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};
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static int enetc_get_reglen(struct net_device *ndev)
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{
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struct enetc_ndev_priv *priv = netdev_priv(ndev);
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struct enetc_hw *hw = &priv->si->hw;
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int len;
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len = ARRAY_SIZE(enetc_si_regs);
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len += ARRAY_SIZE(enetc_txbdr_regs) * priv->num_tx_rings;
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len += ARRAY_SIZE(enetc_rxbdr_regs) * priv->num_rx_rings;
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if (hw->port)
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len += ARRAY_SIZE(enetc_port_regs);
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len *= sizeof(u32) * 2; /* store 2 entries per reg: addr and value */
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return len;
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}
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static void enetc_get_regs(struct net_device *ndev, struct ethtool_regs *regs,
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void *regbuf)
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{
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struct enetc_ndev_priv *priv = netdev_priv(ndev);
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struct enetc_hw *hw = &priv->si->hw;
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u32 *buf = (u32 *)regbuf;
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int i, j;
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u32 addr;
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for (i = 0; i < ARRAY_SIZE(enetc_si_regs); i++) {
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*buf++ = enetc_si_regs[i];
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*buf++ = enetc_rd(hw, enetc_si_regs[i]);
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}
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for (i = 0; i < priv->num_tx_rings; i++) {
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for (j = 0; j < ARRAY_SIZE(enetc_txbdr_regs); j++) {
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addr = ENETC_BDR(TX, i, enetc_txbdr_regs[j]);
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*buf++ = addr;
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*buf++ = enetc_rd(hw, addr);
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}
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}
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for (i = 0; i < priv->num_rx_rings; i++) {
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for (j = 0; j < ARRAY_SIZE(enetc_rxbdr_regs); j++) {
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addr = ENETC_BDR(RX, i, enetc_rxbdr_regs[j]);
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*buf++ = addr;
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*buf++ = enetc_rd(hw, addr);
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}
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}
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if (!hw->port)
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return;
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for (i = 0; i < ARRAY_SIZE(enetc_port_regs); i++) {
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addr = ENETC_PORT_BASE + enetc_port_regs[i];
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*buf++ = addr;
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*buf++ = enetc_rd(hw, addr);
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}
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}
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static const struct {
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int reg;
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char name[ETH_GSTRING_LEN];
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} enetc_si_counters[] = {
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{ ENETC_SIROCT, "SI rx octets" },
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{ ENETC_SIRFRM, "SI rx frames" },
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{ ENETC_SIRUCA, "SI rx u-cast frames" },
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{ ENETC_SIRMCA, "SI rx m-cast frames" },
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{ ENETC_SITOCT, "SI tx octets" },
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{ ENETC_SITFRM, "SI tx frames" },
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{ ENETC_SITUCA, "SI tx u-cast frames" },
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{ ENETC_SITMCA, "SI tx m-cast frames" },
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{ ENETC_RBDCR(0), "Rx ring 0 discarded frames" },
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{ ENETC_RBDCR(1), "Rx ring 1 discarded frames" },
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{ ENETC_RBDCR(2), "Rx ring 2 discarded frames" },
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{ ENETC_RBDCR(3), "Rx ring 3 discarded frames" },
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{ ENETC_RBDCR(4), "Rx ring 4 discarded frames" },
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{ ENETC_RBDCR(5), "Rx ring 5 discarded frames" },
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{ ENETC_RBDCR(6), "Rx ring 6 discarded frames" },
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{ ENETC_RBDCR(7), "Rx ring 7 discarded frames" },
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{ ENETC_RBDCR(8), "Rx ring 8 discarded frames" },
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{ ENETC_RBDCR(9), "Rx ring 9 discarded frames" },
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{ ENETC_RBDCR(10), "Rx ring 10 discarded frames" },
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{ ENETC_RBDCR(11), "Rx ring 11 discarded frames" },
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{ ENETC_RBDCR(12), "Rx ring 12 discarded frames" },
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{ ENETC_RBDCR(13), "Rx ring 13 discarded frames" },
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{ ENETC_RBDCR(14), "Rx ring 14 discarded frames" },
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{ ENETC_RBDCR(15), "Rx ring 15 discarded frames" },
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};
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static const struct {
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int reg;
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char name[ETH_GSTRING_LEN];
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} enetc_port_counters[] = {
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{ ENETC_PM0_REOCT, "MAC rx ethernet octets" },
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{ ENETC_PM0_RALN, "MAC rx alignment errors" },
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{ ENETC_PM0_RXPF, "MAC rx valid pause frames" },
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{ ENETC_PM0_RFRM, "MAC rx valid frames" },
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{ ENETC_PM0_RFCS, "MAC rx fcs errors" },
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{ ENETC_PM0_RVLAN, "MAC rx VLAN frames" },
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{ ENETC_PM0_RERR, "MAC rx frame errors" },
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{ ENETC_PM0_RUCA, "MAC rx unicast frames" },
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{ ENETC_PM0_RMCA, "MAC rx multicast frames" },
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{ ENETC_PM0_RBCA, "MAC rx broadcast frames" },
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{ ENETC_PM0_RDRP, "MAC rx dropped packets" },
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{ ENETC_PM0_RPKT, "MAC rx packets" },
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{ ENETC_PM0_RUND, "MAC rx undersized packets" },
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{ ENETC_PM0_R64, "MAC rx 64 byte packets" },
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{ ENETC_PM0_R127, "MAC rx 65-127 byte packets" },
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{ ENETC_PM0_R255, "MAC rx 128-255 byte packets" },
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{ ENETC_PM0_R511, "MAC rx 256-511 byte packets" },
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{ ENETC_PM0_R1023, "MAC rx 512-1023 byte packets" },
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{ ENETC_PM0_R1518, "MAC rx 1024-1518 byte packets" },
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{ ENETC_PM0_R1519X, "MAC rx 1519 to max-octet packets" },
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{ ENETC_PM0_ROVR, "MAC rx oversized packets" },
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{ ENETC_PM0_RJBR, "MAC rx jabber packets" },
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{ ENETC_PM0_RFRG, "MAC rx fragment packets" },
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{ ENETC_PM0_RCNP, "MAC rx control packets" },
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{ ENETC_PM0_RDRNTP, "MAC rx fifo drop" },
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{ ENETC_PM0_TEOCT, "MAC tx ethernet octets" },
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{ ENETC_PM0_TOCT, "MAC tx octets" },
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{ ENETC_PM0_TCRSE, "MAC tx carrier sense errors" },
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{ ENETC_PM0_TXPF, "MAC tx valid pause frames" },
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{ ENETC_PM0_TFRM, "MAC tx frames" },
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{ ENETC_PM0_TFCS, "MAC tx fcs errors" },
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{ ENETC_PM0_TVLAN, "MAC tx VLAN frames" },
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{ ENETC_PM0_TERR, "MAC tx frames" },
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{ ENETC_PM0_TUCA, "MAC tx unicast frames" },
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{ ENETC_PM0_TMCA, "MAC tx multicast frames" },
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{ ENETC_PM0_TBCA, "MAC tx broadcast frames" },
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{ ENETC_PM0_TPKT, "MAC tx packets" },
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{ ENETC_PM0_TUND, "MAC tx undersized packets" },
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{ ENETC_PM0_T127, "MAC tx 65-127 byte packets" },
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{ ENETC_PM0_T1023, "MAC tx 512-1023 byte packets" },
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{ ENETC_PM0_T1518, "MAC tx 1024-1518 byte packets" },
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{ ENETC_PM0_TCNP, "MAC tx control packets" },
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{ ENETC_PM0_TDFR, "MAC tx deferred packets" },
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{ ENETC_PM0_TMCOL, "MAC tx multiple collisions" },
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{ ENETC_PM0_TSCOL, "MAC tx single collisions" },
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{ ENETC_PM0_TLCOL, "MAC tx late collisions" },
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{ ENETC_PM0_TECOL, "MAC tx excessive collisions" },
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{ ENETC_UFDMF, "SI MAC nomatch u-cast discards" },
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{ ENETC_MFDMF, "SI MAC nomatch m-cast discards" },
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{ ENETC_PBFDSIR, "SI MAC nomatch b-cast discards" },
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{ ENETC_PUFDVFR, "SI VLAN nomatch u-cast discards" },
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{ ENETC_PMFDVFR, "SI VLAN nomatch m-cast discards" },
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{ ENETC_PBFDVFR, "SI VLAN nomatch b-cast discards" },
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{ ENETC_PFDMSAPR, "SI pruning discarded frames" },
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{ ENETC_PICDR(0), "ICM DR0 discarded frames" },
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{ ENETC_PICDR(1), "ICM DR1 discarded frames" },
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{ ENETC_PICDR(2), "ICM DR2 discarded frames" },
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{ ENETC_PICDR(3), "ICM DR3 discarded frames" },
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};
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static const char rx_ring_stats[][ETH_GSTRING_LEN] = {
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"Rx ring %2d frames",
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"Rx ring %2d alloc errors",
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};
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static const char tx_ring_stats[][ETH_GSTRING_LEN] = {
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"Tx ring %2d frames",
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};
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static int enetc_get_sset_count(struct net_device *ndev, int sset)
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{
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struct enetc_ndev_priv *priv = netdev_priv(ndev);
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if (sset == ETH_SS_STATS)
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return ARRAY_SIZE(enetc_si_counters) +
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ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings +
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ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings +
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(enetc_si_is_pf(priv->si) ?
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ARRAY_SIZE(enetc_port_counters) : 0);
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return -EOPNOTSUPP;
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}
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static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
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{
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struct enetc_ndev_priv *priv = netdev_priv(ndev);
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u8 *p = data;
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int i, j;
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switch (stringset) {
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case ETH_SS_STATS:
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for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++) {
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strlcpy(p, enetc_si_counters[i].name, ETH_GSTRING_LEN);
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p += ETH_GSTRING_LEN;
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}
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for (i = 0; i < priv->num_tx_rings; i++) {
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for (j = 0; j < ARRAY_SIZE(tx_ring_stats); j++) {
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snprintf(p, ETH_GSTRING_LEN, tx_ring_stats[j],
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i);
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p += ETH_GSTRING_LEN;
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}
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}
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for (i = 0; i < priv->num_rx_rings; i++) {
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for (j = 0; j < ARRAY_SIZE(rx_ring_stats); j++) {
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snprintf(p, ETH_GSTRING_LEN, rx_ring_stats[j],
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i);
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p += ETH_GSTRING_LEN;
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}
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}
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if (!enetc_si_is_pf(priv->si))
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break;
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for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) {
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strlcpy(p, enetc_port_counters[i].name,
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ETH_GSTRING_LEN);
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p += ETH_GSTRING_LEN;
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}
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break;
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}
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}
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static void enetc_get_ethtool_stats(struct net_device *ndev,
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struct ethtool_stats *stats, u64 *data)
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{
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struct enetc_ndev_priv *priv = netdev_priv(ndev);
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struct enetc_hw *hw = &priv->si->hw;
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int i, o = 0;
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for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++)
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data[o++] = enetc_rd64(hw, enetc_si_counters[i].reg);
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for (i = 0; i < priv->num_tx_rings; i++)
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data[o++] = priv->tx_ring[i]->stats.packets;
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for (i = 0; i < priv->num_rx_rings; i++) {
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data[o++] = priv->rx_ring[i]->stats.packets;
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data[o++] = priv->rx_ring[i]->stats.rx_alloc_errs;
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}
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if (!enetc_si_is_pf(priv->si))
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return;
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for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++)
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data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg);
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}
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#define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \
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RXH_IP_DST)
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#define ENETC_RSSHASH_L4 (ENETC_RSSHASH_L3 | RXH_L4_B_0_1 | RXH_L4_B_2_3)
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static int enetc_get_rsshash(struct ethtool_rxnfc *rxnfc)
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{
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static const u32 rsshash[] = {
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[TCP_V4_FLOW] = ENETC_RSSHASH_L4,
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[UDP_V4_FLOW] = ENETC_RSSHASH_L4,
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[SCTP_V4_FLOW] = ENETC_RSSHASH_L4,
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[AH_ESP_V4_FLOW] = ENETC_RSSHASH_L3,
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[IPV4_FLOW] = ENETC_RSSHASH_L3,
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[TCP_V6_FLOW] = ENETC_RSSHASH_L4,
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[UDP_V6_FLOW] = ENETC_RSSHASH_L4,
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[SCTP_V6_FLOW] = ENETC_RSSHASH_L4,
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[AH_ESP_V6_FLOW] = ENETC_RSSHASH_L3,
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[IPV6_FLOW] = ENETC_RSSHASH_L3,
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[ETHER_FLOW] = 0,
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};
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if (rxnfc->flow_type >= ARRAY_SIZE(rsshash))
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return -EINVAL;
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rxnfc->data = rsshash[rxnfc->flow_type];
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return 0;
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}
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/* current HW spec does byte reversal on everything including MAC addresses */
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static void ether_addr_copy_swap(u8 *dst, const u8 *src)
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{
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int i;
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for (i = 0; i < ETH_ALEN; i++)
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dst[i] = src[ETH_ALEN - i - 1];
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}
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static int enetc_set_cls_entry(struct enetc_si *si,
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struct ethtool_rx_flow_spec *fs, bool en)
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{
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struct ethtool_tcpip4_spec *l4ip4_h, *l4ip4_m;
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struct ethtool_usrip4_spec *l3ip4_h, *l3ip4_m;
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struct ethhdr *eth_h, *eth_m;
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struct enetc_cmd_rfse rfse = { {0} };
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if (!en)
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goto done;
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switch (fs->flow_type & 0xff) {
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case TCP_V4_FLOW:
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l4ip4_h = &fs->h_u.tcp_ip4_spec;
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l4ip4_m = &fs->m_u.tcp_ip4_spec;
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goto l4ip4;
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case UDP_V4_FLOW:
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l4ip4_h = &fs->h_u.udp_ip4_spec;
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l4ip4_m = &fs->m_u.udp_ip4_spec;
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goto l4ip4;
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case SCTP_V4_FLOW:
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l4ip4_h = &fs->h_u.sctp_ip4_spec;
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l4ip4_m = &fs->m_u.sctp_ip4_spec;
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l4ip4:
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rfse.sip_h[0] = l4ip4_h->ip4src;
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rfse.sip_m[0] = l4ip4_m->ip4src;
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rfse.dip_h[0] = l4ip4_h->ip4dst;
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rfse.dip_m[0] = l4ip4_m->ip4dst;
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rfse.sport_h = ntohs(l4ip4_h->psrc);
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rfse.sport_m = ntohs(l4ip4_m->psrc);
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rfse.dport_h = ntohs(l4ip4_h->pdst);
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rfse.dport_m = ntohs(l4ip4_m->pdst);
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if (l4ip4_m->tos)
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netdev_warn(si->ndev, "ToS field is not supported and was ignored\n");
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rfse.ethtype_h = ETH_P_IP; /* IPv4 */
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rfse.ethtype_m = 0xffff;
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break;
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case IP_USER_FLOW:
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l3ip4_h = &fs->h_u.usr_ip4_spec;
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l3ip4_m = &fs->m_u.usr_ip4_spec;
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rfse.sip_h[0] = l3ip4_h->ip4src;
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rfse.sip_m[0] = l3ip4_m->ip4src;
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rfse.dip_h[0] = l3ip4_h->ip4dst;
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rfse.dip_m[0] = l3ip4_m->ip4dst;
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if (l3ip4_m->tos)
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netdev_warn(si->ndev, "ToS field is not supported and was ignored\n");
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rfse.ethtype_h = ETH_P_IP; /* IPv4 */
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rfse.ethtype_m = 0xffff;
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break;
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case ETHER_FLOW:
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eth_h = &fs->h_u.ether_spec;
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eth_m = &fs->m_u.ether_spec;
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ether_addr_copy_swap(rfse.smac_h, eth_h->h_source);
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ether_addr_copy_swap(rfse.smac_m, eth_m->h_source);
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ether_addr_copy_swap(rfse.dmac_h, eth_h->h_dest);
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ether_addr_copy_swap(rfse.dmac_m, eth_m->h_dest);
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rfse.ethtype_h = ntohs(eth_h->h_proto);
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rfse.ethtype_m = ntohs(eth_m->h_proto);
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break;
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default:
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return -EOPNOTSUPP;
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}
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rfse.mode |= ENETC_RFSE_EN;
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if (fs->ring_cookie != RX_CLS_FLOW_DISC) {
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rfse.mode |= ENETC_RFSE_MODE_BD;
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rfse.result = fs->ring_cookie;
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}
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done:
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return enetc_set_fs_entry(si, &rfse, fs->location);
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}
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static int enetc_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc,
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u32 *rule_locs)
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{
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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]);
|
|
}
|
|
|
|
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 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 const struct ethtool_ops enetc_pf_ethtool_ops = {
|
|
.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_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_link_ksettings = phy_ethtool_get_link_ksettings,
|
|
.set_link_ksettings = phy_ethtool_set_link_ksettings,
|
|
};
|
|
|
|
static const struct ethtool_ops enetc_vf_ethtool_ops = {
|
|
.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,
|
|
};
|
|
|
|
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;
|
|
}
|