// SPDX-License-Identifier: GPL-2.0-only /******************************************************************************* STMMAC Ethtool support Copyright (C) 2007-2009 STMicroelectronics Ltd Author: Giuseppe Cavallaro *******************************************************************************/ #include #include #include #include #include #include #include #include "stmmac.h" #include "dwmac_dma.h" #include "dwxgmac2.h" #define REG_SPACE_SIZE 0x1060 #define GMAC4_REG_SPACE_SIZE 0x116C #define MAC100_ETHTOOL_NAME "st_mac100" #define GMAC_ETHTOOL_NAME "st_gmac" #define XGMAC_ETHTOOL_NAME "st_xgmac" /* Same as DMA_CHAN_BASE_ADDR defined in dwmac4_dma.h * * It is here because dwmac_dma.h and dwmac4_dam.h can not be included at the * same time due to the conflicting macro names. */ #define GMAC4_DMA_CHAN_BASE_ADDR 0x00001100 #define ETHTOOL_DMA_OFFSET 55 struct stmmac_stats { char stat_string[ETH_GSTRING_LEN]; int sizeof_stat; int stat_offset; }; #define STMMAC_STAT(m) \ { #m, sizeof_field(struct stmmac_extra_stats, m), \ offsetof(struct stmmac_priv, xstats.m)} static const struct stmmac_stats stmmac_gstrings_stats[] = { /* Transmit errors */ STMMAC_STAT(tx_underflow), STMMAC_STAT(tx_carrier), STMMAC_STAT(tx_losscarrier), STMMAC_STAT(vlan_tag), STMMAC_STAT(tx_deferred), STMMAC_STAT(tx_vlan), STMMAC_STAT(tx_jabber), STMMAC_STAT(tx_frame_flushed), STMMAC_STAT(tx_payload_error), STMMAC_STAT(tx_ip_header_error), /* Receive errors */ STMMAC_STAT(rx_desc), STMMAC_STAT(sa_filter_fail), STMMAC_STAT(overflow_error), STMMAC_STAT(ipc_csum_error), STMMAC_STAT(rx_collision), STMMAC_STAT(rx_crc_errors), STMMAC_STAT(dribbling_bit), STMMAC_STAT(rx_length), STMMAC_STAT(rx_mii), STMMAC_STAT(rx_multicast), STMMAC_STAT(rx_gmac_overflow), STMMAC_STAT(rx_watchdog), STMMAC_STAT(da_rx_filter_fail), STMMAC_STAT(sa_rx_filter_fail), STMMAC_STAT(rx_missed_cntr), STMMAC_STAT(rx_overflow_cntr), STMMAC_STAT(rx_vlan), STMMAC_STAT(rx_split_hdr_pkt_n), /* Tx/Rx IRQ error info */ STMMAC_STAT(tx_undeflow_irq), STMMAC_STAT(tx_process_stopped_irq), STMMAC_STAT(tx_jabber_irq), STMMAC_STAT(rx_overflow_irq), STMMAC_STAT(rx_buf_unav_irq), STMMAC_STAT(rx_process_stopped_irq), STMMAC_STAT(rx_watchdog_irq), STMMAC_STAT(tx_early_irq), STMMAC_STAT(fatal_bus_error_irq), /* Tx/Rx IRQ Events */ STMMAC_STAT(rx_early_irq), STMMAC_STAT(threshold), STMMAC_STAT(irq_receive_pmt_irq_n), /* MMC info */ STMMAC_STAT(mmc_tx_irq_n), STMMAC_STAT(mmc_rx_irq_n), STMMAC_STAT(mmc_rx_csum_offload_irq_n), /* EEE */ STMMAC_STAT(irq_tx_path_in_lpi_mode_n), STMMAC_STAT(irq_tx_path_exit_lpi_mode_n), STMMAC_STAT(irq_rx_path_in_lpi_mode_n), STMMAC_STAT(irq_rx_path_exit_lpi_mode_n), STMMAC_STAT(phy_eee_wakeup_error_n), /* Extended RDES status */ STMMAC_STAT(ip_hdr_err), STMMAC_STAT(ip_payload_err), STMMAC_STAT(ip_csum_bypassed), STMMAC_STAT(ipv4_pkt_rcvd), STMMAC_STAT(ipv6_pkt_rcvd), STMMAC_STAT(no_ptp_rx_msg_type_ext), STMMAC_STAT(ptp_rx_msg_type_sync), STMMAC_STAT(ptp_rx_msg_type_follow_up), STMMAC_STAT(ptp_rx_msg_type_delay_req), STMMAC_STAT(ptp_rx_msg_type_delay_resp), STMMAC_STAT(ptp_rx_msg_type_pdelay_req), STMMAC_STAT(ptp_rx_msg_type_pdelay_resp), STMMAC_STAT(ptp_rx_msg_type_pdelay_follow_up), STMMAC_STAT(ptp_rx_msg_type_announce), STMMAC_STAT(ptp_rx_msg_type_management), STMMAC_STAT(ptp_rx_msg_pkt_reserved_type), STMMAC_STAT(ptp_frame_type), STMMAC_STAT(ptp_ver), STMMAC_STAT(timestamp_dropped), STMMAC_STAT(av_pkt_rcvd), STMMAC_STAT(av_tagged_pkt_rcvd), STMMAC_STAT(vlan_tag_priority_val), STMMAC_STAT(l3_filter_match), STMMAC_STAT(l4_filter_match), STMMAC_STAT(l3_l4_filter_no_match), /* PCS */ STMMAC_STAT(irq_pcs_ane_n), STMMAC_STAT(irq_pcs_link_n), STMMAC_STAT(irq_rgmii_n), /* DEBUG */ STMMAC_STAT(mtl_tx_status_fifo_full), STMMAC_STAT(mtl_tx_fifo_not_empty), STMMAC_STAT(mmtl_fifo_ctrl), STMMAC_STAT(mtl_tx_fifo_read_ctrl_write), STMMAC_STAT(mtl_tx_fifo_read_ctrl_wait), STMMAC_STAT(mtl_tx_fifo_read_ctrl_read), STMMAC_STAT(mtl_tx_fifo_read_ctrl_idle), STMMAC_STAT(mac_tx_in_pause), STMMAC_STAT(mac_tx_frame_ctrl_xfer), STMMAC_STAT(mac_tx_frame_ctrl_idle), STMMAC_STAT(mac_tx_frame_ctrl_wait), STMMAC_STAT(mac_tx_frame_ctrl_pause), STMMAC_STAT(mac_gmii_tx_proto_engine), STMMAC_STAT(mtl_rx_fifo_fill_level_full), STMMAC_STAT(mtl_rx_fifo_fill_above_thresh), STMMAC_STAT(mtl_rx_fifo_fill_below_thresh), STMMAC_STAT(mtl_rx_fifo_fill_level_empty), STMMAC_STAT(mtl_rx_fifo_read_ctrl_flush), STMMAC_STAT(mtl_rx_fifo_read_ctrl_read_data), STMMAC_STAT(mtl_rx_fifo_read_ctrl_status), STMMAC_STAT(mtl_rx_fifo_read_ctrl_idle), STMMAC_STAT(mtl_rx_fifo_ctrl_active), STMMAC_STAT(mac_rx_frame_ctrl_fifo), STMMAC_STAT(mac_gmii_rx_proto_engine), /* EST */ STMMAC_STAT(mtl_est_cgce), STMMAC_STAT(mtl_est_hlbs), STMMAC_STAT(mtl_est_hlbf), STMMAC_STAT(mtl_est_btre), STMMAC_STAT(mtl_est_btrlm), }; #define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats) /* statistics collected in queue which will be summed up for all TX or RX * queues, or summed up for both TX and RX queues(napi_poll, normal_irq_n). */ static const char stmmac_qstats_string[][ETH_GSTRING_LEN] = { "rx_pkt_n", "rx_normal_irq_n", "tx_pkt_n", "tx_normal_irq_n", "tx_clean", "tx_set_ic_bit", "tx_tso_frames", "tx_tso_nfrags", "normal_irq_n", "napi_poll", }; #define STMMAC_QSTATS ARRAY_SIZE(stmmac_qstats_string) /* HW MAC Management counters (if supported) */ #define STMMAC_MMC_STAT(m) \ { #m, sizeof_field(struct stmmac_counters, m), \ offsetof(struct stmmac_priv, mmc.m)} static const struct stmmac_stats stmmac_mmc[] = { STMMAC_MMC_STAT(mmc_tx_octetcount_gb), STMMAC_MMC_STAT(mmc_tx_framecount_gb), STMMAC_MMC_STAT(mmc_tx_broadcastframe_g), STMMAC_MMC_STAT(mmc_tx_multicastframe_g), STMMAC_MMC_STAT(mmc_tx_64_octets_gb), STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb), STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb), STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb), STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb), STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb), STMMAC_MMC_STAT(mmc_tx_unicast_gb), STMMAC_MMC_STAT(mmc_tx_multicast_gb), STMMAC_MMC_STAT(mmc_tx_broadcast_gb), STMMAC_MMC_STAT(mmc_tx_underflow_error), STMMAC_MMC_STAT(mmc_tx_singlecol_g), STMMAC_MMC_STAT(mmc_tx_multicol_g), STMMAC_MMC_STAT(mmc_tx_deferred), STMMAC_MMC_STAT(mmc_tx_latecol), STMMAC_MMC_STAT(mmc_tx_exesscol), STMMAC_MMC_STAT(mmc_tx_carrier_error), STMMAC_MMC_STAT(mmc_tx_octetcount_g), STMMAC_MMC_STAT(mmc_tx_framecount_g), STMMAC_MMC_STAT(mmc_tx_excessdef), STMMAC_MMC_STAT(mmc_tx_pause_frame), STMMAC_MMC_STAT(mmc_tx_vlan_frame_g), STMMAC_MMC_STAT(mmc_rx_framecount_gb), STMMAC_MMC_STAT(mmc_rx_octetcount_gb), STMMAC_MMC_STAT(mmc_rx_octetcount_g), STMMAC_MMC_STAT(mmc_rx_broadcastframe_g), STMMAC_MMC_STAT(mmc_rx_multicastframe_g), STMMAC_MMC_STAT(mmc_rx_crc_error), STMMAC_MMC_STAT(mmc_rx_align_error), STMMAC_MMC_STAT(mmc_rx_run_error), STMMAC_MMC_STAT(mmc_rx_jabber_error), STMMAC_MMC_STAT(mmc_rx_undersize_g), STMMAC_MMC_STAT(mmc_rx_oversize_g), STMMAC_MMC_STAT(mmc_rx_64_octets_gb), STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb), STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb), STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb), STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb), STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb), STMMAC_MMC_STAT(mmc_rx_unicast_g), STMMAC_MMC_STAT(mmc_rx_length_error), STMMAC_MMC_STAT(mmc_rx_autofrangetype), STMMAC_MMC_STAT(mmc_rx_pause_frames), STMMAC_MMC_STAT(mmc_rx_fifo_overflow), STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb), STMMAC_MMC_STAT(mmc_rx_watchdog_error), STMMAC_MMC_STAT(mmc_rx_ipc_intr_mask), STMMAC_MMC_STAT(mmc_rx_ipc_intr), STMMAC_MMC_STAT(mmc_rx_ipv4_gd), STMMAC_MMC_STAT(mmc_rx_ipv4_hderr), STMMAC_MMC_STAT(mmc_rx_ipv4_nopay), STMMAC_MMC_STAT(mmc_rx_ipv4_frag), STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl), STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets), STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets), STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets), STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets), STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets), STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets), STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets), STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets), STMMAC_MMC_STAT(mmc_rx_ipv6_gd), STMMAC_MMC_STAT(mmc_rx_ipv6_hderr), STMMAC_MMC_STAT(mmc_rx_ipv6_nopay), STMMAC_MMC_STAT(mmc_rx_udp_gd), STMMAC_MMC_STAT(mmc_rx_udp_err), STMMAC_MMC_STAT(mmc_rx_tcp_gd), STMMAC_MMC_STAT(mmc_rx_tcp_err), STMMAC_MMC_STAT(mmc_rx_icmp_gd), STMMAC_MMC_STAT(mmc_rx_icmp_err), STMMAC_MMC_STAT(mmc_rx_udp_gd_octets), STMMAC_MMC_STAT(mmc_rx_udp_err_octets), STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets), STMMAC_MMC_STAT(mmc_rx_tcp_err_octets), STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets), STMMAC_MMC_STAT(mmc_rx_icmp_err_octets), STMMAC_MMC_STAT(mmc_tx_fpe_fragment_cntr), STMMAC_MMC_STAT(mmc_tx_hold_req_cntr), STMMAC_MMC_STAT(mmc_rx_packet_assembly_err_cntr), STMMAC_MMC_STAT(mmc_rx_packet_smd_err_cntr), STMMAC_MMC_STAT(mmc_rx_packet_assembly_ok_cntr), STMMAC_MMC_STAT(mmc_rx_fpe_fragment_cntr), }; #define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc) static const char stmmac_qstats_tx_string[][ETH_GSTRING_LEN] = { "tx_pkt_n", "tx_irq_n", #define STMMAC_TXQ_STATS ARRAY_SIZE(stmmac_qstats_tx_string) }; static const char stmmac_qstats_rx_string[][ETH_GSTRING_LEN] = { "rx_pkt_n", "rx_irq_n", #define STMMAC_RXQ_STATS ARRAY_SIZE(stmmac_qstats_rx_string) }; static void stmmac_ethtool_getdrvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct stmmac_priv *priv = netdev_priv(dev); if (priv->plat->has_gmac || priv->plat->has_gmac4) strscpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver)); else if (priv->plat->has_xgmac) strscpy(info->driver, XGMAC_ETHTOOL_NAME, sizeof(info->driver)); else strscpy(info->driver, MAC100_ETHTOOL_NAME, sizeof(info->driver)); if (priv->plat->pdev) { strscpy(info->bus_info, pci_name(priv->plat->pdev), sizeof(info->bus_info)); } } static int stmmac_ethtool_get_link_ksettings(struct net_device *dev, struct ethtool_link_ksettings *cmd) { struct stmmac_priv *priv = netdev_priv(dev); if (priv->hw->pcs & STMMAC_PCS_RGMII || priv->hw->pcs & STMMAC_PCS_SGMII) { struct rgmii_adv adv; u32 supported, advertising, lp_advertising; if (!priv->xstats.pcs_link) { cmd->base.speed = SPEED_UNKNOWN; cmd->base.duplex = DUPLEX_UNKNOWN; return 0; } cmd->base.duplex = priv->xstats.pcs_duplex; cmd->base.speed = priv->xstats.pcs_speed; /* Get and convert ADV/LP_ADV from the HW AN registers */ if (stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv)) return -EOPNOTSUPP; /* should never happen indeed */ /* Encoding of PSE bits is defined in 802.3z, 37.2.1.4 */ ethtool_convert_link_mode_to_legacy_u32( &supported, cmd->link_modes.supported); ethtool_convert_link_mode_to_legacy_u32( &advertising, cmd->link_modes.advertising); ethtool_convert_link_mode_to_legacy_u32( &lp_advertising, cmd->link_modes.lp_advertising); if (adv.pause & STMMAC_PCS_PAUSE) advertising |= ADVERTISED_Pause; if (adv.pause & STMMAC_PCS_ASYM_PAUSE) advertising |= ADVERTISED_Asym_Pause; if (adv.lp_pause & STMMAC_PCS_PAUSE) lp_advertising |= ADVERTISED_Pause; if (adv.lp_pause & STMMAC_PCS_ASYM_PAUSE) lp_advertising |= ADVERTISED_Asym_Pause; /* Reg49[3] always set because ANE is always supported */ cmd->base.autoneg = ADVERTISED_Autoneg; supported |= SUPPORTED_Autoneg; advertising |= ADVERTISED_Autoneg; lp_advertising |= ADVERTISED_Autoneg; if (adv.duplex) { supported |= (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full | SUPPORTED_10baseT_Full); advertising |= (ADVERTISED_1000baseT_Full | ADVERTISED_100baseT_Full | ADVERTISED_10baseT_Full); } else { supported |= (SUPPORTED_1000baseT_Half | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Half); advertising |= (ADVERTISED_1000baseT_Half | ADVERTISED_100baseT_Half | ADVERTISED_10baseT_Half); } if (adv.lp_duplex) lp_advertising |= (ADVERTISED_1000baseT_Full | ADVERTISED_100baseT_Full | ADVERTISED_10baseT_Full); else lp_advertising |= (ADVERTISED_1000baseT_Half | ADVERTISED_100baseT_Half | ADVERTISED_10baseT_Half); cmd->base.port = PORT_OTHER; ethtool_convert_legacy_u32_to_link_mode( cmd->link_modes.supported, supported); ethtool_convert_legacy_u32_to_link_mode( cmd->link_modes.advertising, advertising); ethtool_convert_legacy_u32_to_link_mode( cmd->link_modes.lp_advertising, lp_advertising); return 0; } return phylink_ethtool_ksettings_get(priv->phylink, cmd); } static int stmmac_ethtool_set_link_ksettings(struct net_device *dev, const struct ethtool_link_ksettings *cmd) { struct stmmac_priv *priv = netdev_priv(dev); if (priv->hw->pcs & STMMAC_PCS_RGMII || priv->hw->pcs & STMMAC_PCS_SGMII) { /* Only support ANE */ if (cmd->base.autoneg != AUTONEG_ENABLE) return -EINVAL; mutex_lock(&priv->lock); stmmac_pcs_ctrl_ane(priv, priv->ioaddr, 1, priv->hw->ps, 0); mutex_unlock(&priv->lock); return 0; } return phylink_ethtool_ksettings_set(priv->phylink, cmd); } static u32 stmmac_ethtool_getmsglevel(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); return priv->msg_enable; } static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level) { struct stmmac_priv *priv = netdev_priv(dev); priv->msg_enable = level; } static int stmmac_check_if_running(struct net_device *dev) { if (!netif_running(dev)) return -EBUSY; return 0; } static int stmmac_ethtool_get_regs_len(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); if (priv->plat->has_xgmac) return XGMAC_REGSIZE * 4; else if (priv->plat->has_gmac4) return GMAC4_REG_SPACE_SIZE; return REG_SPACE_SIZE; } static void stmmac_ethtool_gregs(struct net_device *dev, struct ethtool_regs *regs, void *space) { struct stmmac_priv *priv = netdev_priv(dev); u32 *reg_space = (u32 *) space; stmmac_dump_mac_regs(priv, priv->hw, reg_space); stmmac_dump_dma_regs(priv, priv->ioaddr, reg_space); /* Copy DMA registers to where ethtool expects them */ if (priv->plat->has_gmac4) { /* GMAC4 dumps its DMA registers at its DMA_CHAN_BASE_ADDR */ memcpy(®_space[ETHTOOL_DMA_OFFSET], ®_space[GMAC4_DMA_CHAN_BASE_ADDR / 4], NUM_DWMAC4_DMA_REGS * 4); } else if (!priv->plat->has_xgmac) { memcpy(®_space[ETHTOOL_DMA_OFFSET], ®_space[DMA_BUS_MODE / 4], NUM_DWMAC1000_DMA_REGS * 4); } } static int stmmac_nway_reset(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); return phylink_ethtool_nway_reset(priv->phylink); } static void stmmac_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, struct kernel_ethtool_ringparam *kernel_ring, struct netlink_ext_ack *extack) { struct stmmac_priv *priv = netdev_priv(netdev); ring->rx_max_pending = DMA_MAX_RX_SIZE; ring->tx_max_pending = DMA_MAX_TX_SIZE; ring->rx_pending = priv->dma_conf.dma_rx_size; ring->tx_pending = priv->dma_conf.dma_tx_size; } static int stmmac_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, struct kernel_ethtool_ringparam *kernel_ring, struct netlink_ext_ack *extack) { if (ring->rx_mini_pending || ring->rx_jumbo_pending || ring->rx_pending < DMA_MIN_RX_SIZE || ring->rx_pending > DMA_MAX_RX_SIZE || !is_power_of_2(ring->rx_pending) || ring->tx_pending < DMA_MIN_TX_SIZE || ring->tx_pending > DMA_MAX_TX_SIZE || !is_power_of_2(ring->tx_pending)) return -EINVAL; return stmmac_reinit_ringparam(netdev, ring->rx_pending, ring->tx_pending); } static void stmmac_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct stmmac_priv *priv = netdev_priv(netdev); struct rgmii_adv adv_lp; if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) { pause->autoneg = 1; if (!adv_lp.pause) return; } else { phylink_ethtool_get_pauseparam(priv->phylink, pause); } } static int stmmac_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct stmmac_priv *priv = netdev_priv(netdev); struct rgmii_adv adv_lp; if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) { pause->autoneg = 1; if (!adv_lp.pause) return -EOPNOTSUPP; return 0; } else { return phylink_ethtool_set_pauseparam(priv->phylink, pause); } } static void stmmac_get_per_qstats(struct stmmac_priv *priv, u64 *data) { u32 tx_cnt = priv->plat->tx_queues_to_use; u32 rx_cnt = priv->plat->rx_queues_to_use; unsigned int start; int q, stat; u64 *pos; char *p; pos = data; for (q = 0; q < tx_cnt; q++) { struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[q]; struct stmmac_txq_stats snapshot; data = pos; do { start = u64_stats_fetch_begin(&txq_stats->syncp); snapshot = *txq_stats; } while (u64_stats_fetch_retry(&txq_stats->syncp, start)); p = (char *)&snapshot + offsetof(struct stmmac_txq_stats, tx_pkt_n); for (stat = 0; stat < STMMAC_TXQ_STATS; stat++) { *data++ += (*(u64 *)p); p += sizeof(u64); } } pos = data; for (q = 0; q < rx_cnt; q++) { struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[q]; struct stmmac_rxq_stats snapshot; data = pos; do { start = u64_stats_fetch_begin(&rxq_stats->syncp); snapshot = *rxq_stats; } while (u64_stats_fetch_retry(&rxq_stats->syncp, start)); p = (char *)&snapshot + offsetof(struct stmmac_rxq_stats, rx_pkt_n); for (stat = 0; stat < STMMAC_RXQ_STATS; stat++) { *data++ += (*(u64 *)p); p += sizeof(u64); } } } static void stmmac_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 *data) { struct stmmac_priv *priv = netdev_priv(dev); u32 rx_queues_count = priv->plat->rx_queues_to_use; u32 tx_queues_count = priv->plat->tx_queues_to_use; u64 napi_poll = 0, normal_irq_n = 0; int i, j = 0, pos, ret; unsigned long count; unsigned int start; if (priv->dma_cap.asp) { for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { if (!stmmac_safety_feat_dump(priv, &priv->sstats, i, &count, NULL)) data[j++] = count; } } /* Update the DMA HW counters for dwmac10/100 */ ret = stmmac_dma_diagnostic_fr(priv, &priv->xstats, priv->ioaddr); if (ret) { /* If supported, for new GMAC chips expose the MMC counters */ if (priv->dma_cap.rmon) { stmmac_mmc_read(priv, priv->mmcaddr, &priv->mmc); for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { char *p; p = (char *)priv + stmmac_mmc[i].stat_offset; data[j++] = (stmmac_mmc[i].sizeof_stat == sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p); } } if (priv->eee_enabled) { int val = phylink_get_eee_err(priv->phylink); if (val) priv->xstats.phy_eee_wakeup_error_n = val; } if (priv->synopsys_id >= DWMAC_CORE_3_50) stmmac_mac_debug(priv, priv->ioaddr, (void *)&priv->xstats, rx_queues_count, tx_queues_count); } for (i = 0; i < STMMAC_STATS_LEN; i++) { char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset; data[j++] = (stmmac_gstrings_stats[i].sizeof_stat == sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p); } pos = j; for (i = 0; i < rx_queues_count; i++) { struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[i]; struct stmmac_rxq_stats snapshot; j = pos; do { start = u64_stats_fetch_begin(&rxq_stats->syncp); snapshot = *rxq_stats; } while (u64_stats_fetch_retry(&rxq_stats->syncp, start)); data[j++] += snapshot.rx_pkt_n; data[j++] += snapshot.rx_normal_irq_n; normal_irq_n += snapshot.rx_normal_irq_n; napi_poll += snapshot.napi_poll; } pos = j; for (i = 0; i < tx_queues_count; i++) { struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[i]; struct stmmac_txq_stats snapshot; j = pos; do { start = u64_stats_fetch_begin(&txq_stats->syncp); snapshot = *txq_stats; } while (u64_stats_fetch_retry(&txq_stats->syncp, start)); data[j++] += snapshot.tx_pkt_n; data[j++] += snapshot.tx_normal_irq_n; normal_irq_n += snapshot.tx_normal_irq_n; data[j++] += snapshot.tx_clean; data[j++] += snapshot.tx_set_ic_bit; data[j++] += snapshot.tx_tso_frames; data[j++] += snapshot.tx_tso_nfrags; napi_poll += snapshot.napi_poll; } normal_irq_n += priv->xstats.rx_early_irq; data[j++] = normal_irq_n; data[j++] = napi_poll; stmmac_get_per_qstats(priv, &data[j]); } static int stmmac_get_sset_count(struct net_device *netdev, int sset) { struct stmmac_priv *priv = netdev_priv(netdev); u32 tx_cnt = priv->plat->tx_queues_to_use; u32 rx_cnt = priv->plat->rx_queues_to_use; int i, len, safety_len = 0; switch (sset) { case ETH_SS_STATS: len = STMMAC_STATS_LEN + STMMAC_QSTATS + STMMAC_TXQ_STATS * tx_cnt + STMMAC_RXQ_STATS * rx_cnt; if (priv->dma_cap.rmon) len += STMMAC_MMC_STATS_LEN; if (priv->dma_cap.asp) { for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { if (!stmmac_safety_feat_dump(priv, &priv->sstats, i, NULL, NULL)) safety_len++; } len += safety_len; } return len; case ETH_SS_TEST: return stmmac_selftest_get_count(priv); default: return -EOPNOTSUPP; } } static void stmmac_get_qstats_string(struct stmmac_priv *priv, u8 *data) { u32 tx_cnt = priv->plat->tx_queues_to_use; u32 rx_cnt = priv->plat->rx_queues_to_use; int q, stat; for (q = 0; q < tx_cnt; q++) { for (stat = 0; stat < STMMAC_TXQ_STATS; stat++) { snprintf(data, ETH_GSTRING_LEN, "q%d_%s", q, stmmac_qstats_tx_string[stat]); data += ETH_GSTRING_LEN; } } for (q = 0; q < rx_cnt; q++) { for (stat = 0; stat < STMMAC_RXQ_STATS; stat++) { snprintf(data, ETH_GSTRING_LEN, "q%d_%s", q, stmmac_qstats_rx_string[stat]); data += ETH_GSTRING_LEN; } } } static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data) { int i; u8 *p = data; struct stmmac_priv *priv = netdev_priv(dev); switch (stringset) { case ETH_SS_STATS: if (priv->dma_cap.asp) { for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { const char *desc; if (!stmmac_safety_feat_dump(priv, &priv->sstats, i, NULL, &desc)) { memcpy(p, desc, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } } } if (priv->dma_cap.rmon) for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { memcpy(p, stmmac_mmc[i].stat_string, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } for (i = 0; i < STMMAC_STATS_LEN; i++) { memcpy(p, stmmac_gstrings_stats[i].stat_string, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } for (i = 0; i < STMMAC_QSTATS; i++) { memcpy(p, stmmac_qstats_string[i], ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } stmmac_get_qstats_string(priv, p); break; case ETH_SS_TEST: stmmac_selftest_get_strings(priv, p); break; default: WARN_ON(1); break; } } /* Currently only support WOL through Magic packet. */ static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct stmmac_priv *priv = netdev_priv(dev); if (!priv->plat->pmt) return phylink_ethtool_get_wol(priv->phylink, wol); mutex_lock(&priv->lock); if (device_can_wakeup(priv->device)) { wol->supported = WAKE_MAGIC | WAKE_UCAST; if (priv->hw_cap_support && !priv->dma_cap.pmt_magic_frame) wol->supported &= ~WAKE_MAGIC; wol->wolopts = priv->wolopts; } mutex_unlock(&priv->lock); } static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct stmmac_priv *priv = netdev_priv(dev); u32 support = WAKE_MAGIC | WAKE_UCAST; if (!device_can_wakeup(priv->device)) return -EOPNOTSUPP; if (!priv->plat->pmt) { int ret = phylink_ethtool_set_wol(priv->phylink, wol); if (!ret) device_set_wakeup_enable(priv->device, !!wol->wolopts); return ret; } /* By default almost all GMAC devices support the WoL via * magic frame but we can disable it if the HW capability * register shows no support for pmt_magic_frame. */ if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame)) wol->wolopts &= ~WAKE_MAGIC; if (wol->wolopts & ~support) return -EINVAL; if (wol->wolopts) { pr_info("stmmac: wakeup enable\n"); device_set_wakeup_enable(priv->device, 1); enable_irq_wake(priv->wol_irq); } else { device_set_wakeup_enable(priv->device, 0); disable_irq_wake(priv->wol_irq); } mutex_lock(&priv->lock); priv->wolopts = wol->wolopts; mutex_unlock(&priv->lock); return 0; } static int stmmac_ethtool_op_get_eee(struct net_device *dev, struct ethtool_eee *edata) { struct stmmac_priv *priv = netdev_priv(dev); if (!priv->dma_cap.eee) return -EOPNOTSUPP; edata->eee_enabled = priv->eee_enabled; edata->eee_active = priv->eee_active; edata->tx_lpi_timer = priv->tx_lpi_timer; edata->tx_lpi_enabled = priv->tx_lpi_enabled; return phylink_ethtool_get_eee(priv->phylink, edata); } static int stmmac_ethtool_op_set_eee(struct net_device *dev, struct ethtool_eee *edata) { struct stmmac_priv *priv = netdev_priv(dev); int ret; if (!priv->dma_cap.eee) return -EOPNOTSUPP; if (priv->tx_lpi_enabled != edata->tx_lpi_enabled) netdev_warn(priv->dev, "Setting EEE tx-lpi is not supported\n"); if (!edata->eee_enabled) stmmac_disable_eee_mode(priv); ret = phylink_ethtool_set_eee(priv->phylink, edata); if (ret) return ret; if (edata->eee_enabled && priv->tx_lpi_timer != edata->tx_lpi_timer) { priv->tx_lpi_timer = edata->tx_lpi_timer; stmmac_eee_init(priv); } return 0; } static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv) { unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); if (!clk) { clk = priv->plat->clk_ref_rate; if (!clk) return 0; } return (usec * (clk / 1000000)) / 256; } static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv) { unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); if (!clk) { clk = priv->plat->clk_ref_rate; if (!clk) return 0; } return (riwt * 256) / (clk / 1000000); } static int __stmmac_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec, int queue) { struct stmmac_priv *priv = netdev_priv(dev); u32 max_cnt; u32 rx_cnt; u32 tx_cnt; rx_cnt = priv->plat->rx_queues_to_use; tx_cnt = priv->plat->tx_queues_to_use; max_cnt = max(rx_cnt, tx_cnt); if (queue < 0) queue = 0; else if (queue >= max_cnt) return -EINVAL; if (queue < tx_cnt) { ec->tx_coalesce_usecs = priv->tx_coal_timer[queue]; ec->tx_max_coalesced_frames = priv->tx_coal_frames[queue]; } else { ec->tx_coalesce_usecs = 0; ec->tx_max_coalesced_frames = 0; } if (priv->use_riwt && queue < rx_cnt) { ec->rx_max_coalesced_frames = priv->rx_coal_frames[queue]; ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt[queue], priv); } else { ec->rx_max_coalesced_frames = 0; ec->rx_coalesce_usecs = 0; } return 0; } static int stmmac_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { return __stmmac_get_coalesce(dev, ec, -1); } static int stmmac_get_per_queue_coalesce(struct net_device *dev, u32 queue, struct ethtool_coalesce *ec) { return __stmmac_get_coalesce(dev, ec, queue); } static int __stmmac_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec, int queue) { struct stmmac_priv *priv = netdev_priv(dev); bool all_queues = false; unsigned int rx_riwt; u32 max_cnt; u32 rx_cnt; u32 tx_cnt; rx_cnt = priv->plat->rx_queues_to_use; tx_cnt = priv->plat->tx_queues_to_use; max_cnt = max(rx_cnt, tx_cnt); if (queue < 0) all_queues = true; else if (queue >= max_cnt) return -EINVAL; if (priv->use_riwt && (ec->rx_coalesce_usecs > 0)) { rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv); if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT)) return -EINVAL; if (all_queues) { int i; for (i = 0; i < rx_cnt; i++) { priv->rx_riwt[i] = rx_riwt; stmmac_rx_watchdog(priv, priv->ioaddr, rx_riwt, i); priv->rx_coal_frames[i] = ec->rx_max_coalesced_frames; } } else if (queue < rx_cnt) { priv->rx_riwt[queue] = rx_riwt; stmmac_rx_watchdog(priv, priv->ioaddr, rx_riwt, queue); priv->rx_coal_frames[queue] = ec->rx_max_coalesced_frames; } } if ((ec->tx_coalesce_usecs == 0) && (ec->tx_max_coalesced_frames == 0)) return -EINVAL; if ((ec->tx_coalesce_usecs > STMMAC_MAX_COAL_TX_TICK) || (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES)) return -EINVAL; if (all_queues) { int i; for (i = 0; i < tx_cnt; i++) { priv->tx_coal_frames[i] = ec->tx_max_coalesced_frames; priv->tx_coal_timer[i] = ec->tx_coalesce_usecs; } } else if (queue < tx_cnt) { priv->tx_coal_frames[queue] = ec->tx_max_coalesced_frames; priv->tx_coal_timer[queue] = ec->tx_coalesce_usecs; } return 0; } static int stmmac_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { return __stmmac_set_coalesce(dev, ec, -1); } static int stmmac_set_per_queue_coalesce(struct net_device *dev, u32 queue, struct ethtool_coalesce *ec) { return __stmmac_set_coalesce(dev, ec, queue); } static int stmmac_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *rxnfc, u32 *rule_locs) { struct stmmac_priv *priv = netdev_priv(dev); switch (rxnfc->cmd) { case ETHTOOL_GRXRINGS: rxnfc->data = priv->plat->rx_queues_to_use; break; default: return -EOPNOTSUPP; } return 0; } static u32 stmmac_get_rxfh_key_size(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); return sizeof(priv->rss.key); } static u32 stmmac_get_rxfh_indir_size(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); return ARRAY_SIZE(priv->rss.table); } static int stmmac_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc) { struct stmmac_priv *priv = netdev_priv(dev); int i; if (indir) { for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++) indir[i] = priv->rss.table[i]; } if (key) memcpy(key, priv->rss.key, sizeof(priv->rss.key)); if (hfunc) *hfunc = ETH_RSS_HASH_TOP; return 0; } static int stmmac_set_rxfh(struct net_device *dev, const u32 *indir, const u8 *key, const u8 hfunc) { struct stmmac_priv *priv = netdev_priv(dev); int i; if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) return -EOPNOTSUPP; if (indir) { for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++) priv->rss.table[i] = indir[i]; } if (key) memcpy(priv->rss.key, key, sizeof(priv->rss.key)); return stmmac_rss_configure(priv, priv->hw, &priv->rss, priv->plat->rx_queues_to_use); } static void stmmac_get_channels(struct net_device *dev, struct ethtool_channels *chan) { struct stmmac_priv *priv = netdev_priv(dev); chan->rx_count = priv->plat->rx_queues_to_use; chan->tx_count = priv->plat->tx_queues_to_use; chan->max_rx = priv->dma_cap.number_rx_queues; chan->max_tx = priv->dma_cap.number_tx_queues; } static int stmmac_set_channels(struct net_device *dev, struct ethtool_channels *chan) { struct stmmac_priv *priv = netdev_priv(dev); if (chan->rx_count > priv->dma_cap.number_rx_queues || chan->tx_count > priv->dma_cap.number_tx_queues || !chan->rx_count || !chan->tx_count) return -EINVAL; return stmmac_reinit_queues(dev, chan->rx_count, chan->tx_count); } static int stmmac_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) { struct stmmac_priv *priv = netdev_priv(dev); if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) { info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_SOFTWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_RAW_HARDWARE; if (priv->ptp_clock) info->phc_index = ptp_clock_index(priv->ptp_clock); info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) | (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) | (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) | (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) | (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | (1 << HWTSTAMP_FILTER_ALL)); return 0; } else return ethtool_op_get_ts_info(dev, info); } static int stmmac_get_tunable(struct net_device *dev, const struct ethtool_tunable *tuna, void *data) { struct stmmac_priv *priv = netdev_priv(dev); int ret = 0; switch (tuna->id) { case ETHTOOL_RX_COPYBREAK: *(u32 *)data = priv->rx_copybreak; break; default: ret = -EINVAL; break; } return ret; } static int stmmac_set_tunable(struct net_device *dev, const struct ethtool_tunable *tuna, const void *data) { struct stmmac_priv *priv = netdev_priv(dev); int ret = 0; switch (tuna->id) { case ETHTOOL_RX_COPYBREAK: priv->rx_copybreak = *(u32 *)data; break; default: ret = -EINVAL; break; } return ret; } static const struct ethtool_ops stmmac_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES, .begin = stmmac_check_if_running, .get_drvinfo = stmmac_ethtool_getdrvinfo, .get_msglevel = stmmac_ethtool_getmsglevel, .set_msglevel = stmmac_ethtool_setmsglevel, .get_regs = stmmac_ethtool_gregs, .get_regs_len = stmmac_ethtool_get_regs_len, .get_link = ethtool_op_get_link, .nway_reset = stmmac_nway_reset, .get_ringparam = stmmac_get_ringparam, .set_ringparam = stmmac_set_ringparam, .get_pauseparam = stmmac_get_pauseparam, .set_pauseparam = stmmac_set_pauseparam, .self_test = stmmac_selftest_run, .get_ethtool_stats = stmmac_get_ethtool_stats, .get_strings = stmmac_get_strings, .get_wol = stmmac_get_wol, .set_wol = stmmac_set_wol, .get_eee = stmmac_ethtool_op_get_eee, .set_eee = stmmac_ethtool_op_set_eee, .get_sset_count = stmmac_get_sset_count, .get_rxnfc = stmmac_get_rxnfc, .get_rxfh_key_size = stmmac_get_rxfh_key_size, .get_rxfh_indir_size = stmmac_get_rxfh_indir_size, .get_rxfh = stmmac_get_rxfh, .set_rxfh = stmmac_set_rxfh, .get_ts_info = stmmac_get_ts_info, .get_coalesce = stmmac_get_coalesce, .set_coalesce = stmmac_set_coalesce, .get_per_queue_coalesce = stmmac_get_per_queue_coalesce, .set_per_queue_coalesce = stmmac_set_per_queue_coalesce, .get_channels = stmmac_get_channels, .set_channels = stmmac_set_channels, .get_tunable = stmmac_get_tunable, .set_tunable = stmmac_set_tunable, .get_link_ksettings = stmmac_ethtool_get_link_ksettings, .set_link_ksettings = stmmac_ethtool_set_link_ksettings, }; void stmmac_set_ethtool_ops(struct net_device *netdev) { netdev->ethtool_ops = &stmmac_ethtool_ops; }