Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-only
/*******************************************************************************
  STMMAC Ethtool support
 
  Copyright (C) 2007-2009  STMicroelectronics Ltd
 
 
  Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
*******************************************************************************/
 
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/interrupt.h>
#include <linux/mii.h>
#include <linux/phylink.h>
#include <linux/net_tstamp.h>
#include <asm/io.h>
 
#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(tx_pkt_n),
<------>STMMAC_STAT(rx_pkt_n),
<------>STMMAC_STAT(normal_irq_n),
<------>STMMAC_STAT(rx_normal_irq_n),
<------>STMMAC_STAT(napi_poll),
<------>STMMAC_STAT(tx_normal_irq_n),
<------>STMMAC_STAT(tx_clean),
<------>STMMAC_STAT(tx_set_ic_bit),
<------>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),
<------>/* TSO */
<------>STMMAC_STAT(tx_tso_frames),
<------>STMMAC_STAT(tx_tso_nfrags),
};
#define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
 
/* 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 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)
<------><------>strlcpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver));
<------>else if (priv->plat->has_xgmac)
<------><------>strlcpy(info->driver, XGMAC_ETHTOOL_NAME, sizeof(info->driver));
<------>else
<------><------>strlcpy(info->driver, MAC100_ETHTOOL_NAME,
<------><------><------>sizeof(info->driver));
 
<------>strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
}
 
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) {
<------><------>u32 mask = ADVERTISED_Autoneg | ADVERTISED_Pause;
 
<------><------>/* Only support ANE */
<------><------>if (cmd->base.autoneg != AUTONEG_ENABLE)
<------><------><------>return -EINVAL;
 
<------><------>mask &= (ADVERTISED_1000baseT_Half |
<------><------><------>ADVERTISED_1000baseT_Full |
<------><------><------>ADVERTISED_100baseT_Half |
<------><------><------>ADVERTISED_100baseT_Full |
<------><------><------>ADVERTISED_10baseT_Half |
<------><------><------>ADVERTISED_10baseT_Full);
 
<------><------>mutex_lock(&priv->lock);
<------><------>stmmac_pcs_ctrl_ane(priv, priv->ioaddr, 1, priv->hw->ps, 0);
<------><------>mutex_unlock(&priv->lock);
 
<------><------>return 0;
<------>}
 
<------>if (priv->plat->tx_queues_to_use > 1 && cmd->base.duplex == DUPLEX_HALF) {
<------><------>netdev_warn(priv->dev, "Half-Duplex can only work with single queue\n");
<------><------>return -EINVAL;
<------>}
 
<------>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(&reg_space[ETHTOOL_DMA_OFFSET],
<------><------>       &reg_space[GMAC4_DMA_CHAN_BASE_ADDR / 4],
<------><------>       NUM_DWMAC4_DMA_REGS * 4);
<------>} else if (!priv->plat->has_xgmac) {
<------><------>memcpy(&reg_space[ETHTOOL_DMA_OFFSET],
<------><------>       &reg_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 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_rx_size;
<------>ring->tx_pending = priv->dma_tx_size;
}
 
static int stmmac_set_ringparam(struct net_device *netdev,
<------><------><------><------>struct ethtool_ringparam *ring)
{
<------>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_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;
<------>unsigned long count;
<------>int i, j = 0, ret;
 
<------>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, &dev->stats, (void *) &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);
<------>}
}
 
static int stmmac_get_sset_count(struct net_device *netdev, int sset)
{
<------>struct stmmac_priv *priv = netdev_priv(netdev);
<------>int i, len, safety_len = 0;
 
<------>switch (sset) {
<------>case ETH_SS_STATS:
<------><------>len = STMMAC_STATS_LEN;
 
<------><------>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_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;
<------><------>}
<------><------>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)
{
<------>struct stmmac_priv *priv = netdev_priv(dev);
 
<------>ec->tx_coalesce_usecs = priv->tx_coal_timer;
<------>ec->tx_max_coalesced_frames = priv->tx_coal_frames;
 
<------>if (priv->use_riwt) {
<------><------>ec->rx_max_coalesced_frames = priv->rx_coal_frames;
<------><------>ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt, priv);
<------>}
 
<------>return 0;
}
 
static int stmmac_set_coalesce(struct net_device *dev,
<------><------><------>       struct ethtool_coalesce *ec)
{
<------>struct stmmac_priv *priv = netdev_priv(dev);
<------>u32 rx_cnt = priv->plat->rx_queues_to_use;
<------>unsigned int rx_riwt;
 
<------>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;
 
<------><------>priv->rx_riwt = rx_riwt;
<------><------>stmmac_rx_watchdog(priv, priv->ioaddr, priv->rx_riwt, rx_cnt);
<------>}
 
<------>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;
 
<------>/* Only copy relevant parameters, ignore all others. */
<------>priv->tx_coal_frames = ec->tx_max_coalesced_frames;
<------>priv->tx_coal_timer = ec->tx_coalesce_usecs;
<------>priv->rx_coal_frames = ec->rx_max_coalesced_frames;
<------>return 0;
}
 
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_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;
}