1 /*******************************************************************************
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23 *******************************************************************************/
25 #include <linux/etherdevice.h>
26 #include <linux/ethtool.h>
27 #include <linux/interrupt.h>
28 #include <linux/mii.h>
29 #include <linux/phy.h>
33 #include "dwmac_dma.h"
35 #define REG_SPACE_SIZE 0x1054
36 #define MAC100_ETHTOOL_NAME "st_mac100"
37 #define GMAC_ETHTOOL_NAME "st_gmac"
40 char stat_string[ETH_GSTRING_LEN];
45 #define STMMAC_STAT(m) \
46 { #m, FIELD_SIZEOF(struct stmmac_extra_stats, m), \
47 offsetof(struct stmmac_priv, xstats.m)}
49 static const struct stmmac_stats stmmac_gstrings_stats[] = {
51 STMMAC_STAT(tx_underflow),
52 STMMAC_STAT(tx_carrier),
53 STMMAC_STAT(tx_losscarrier),
54 STMMAC_STAT(vlan_tag),
55 STMMAC_STAT(tx_deferred),
57 STMMAC_STAT(tx_jabber),
58 STMMAC_STAT(tx_frame_flushed),
59 STMMAC_STAT(tx_payload_error),
60 STMMAC_STAT(tx_ip_header_error),
63 STMMAC_STAT(sa_filter_fail),
64 STMMAC_STAT(overflow_error),
65 STMMAC_STAT(ipc_csum_error),
66 STMMAC_STAT(rx_collision),
68 STMMAC_STAT(dribbling_bit),
69 STMMAC_STAT(rx_length),
71 STMMAC_STAT(rx_multicast),
72 STMMAC_STAT(rx_gmac_overflow),
73 STMMAC_STAT(rx_watchdog),
74 STMMAC_STAT(da_rx_filter_fail),
75 STMMAC_STAT(sa_rx_filter_fail),
76 STMMAC_STAT(rx_missed_cntr),
77 STMMAC_STAT(rx_overflow_cntr),
79 /* Tx/Rx IRQ error info */
80 STMMAC_STAT(tx_undeflow_irq),
81 STMMAC_STAT(tx_process_stopped_irq),
82 STMMAC_STAT(tx_jabber_irq),
83 STMMAC_STAT(rx_overflow_irq),
84 STMMAC_STAT(rx_buf_unav_irq),
85 STMMAC_STAT(rx_process_stopped_irq),
86 STMMAC_STAT(rx_watchdog_irq),
87 STMMAC_STAT(tx_early_irq),
88 STMMAC_STAT(fatal_bus_error_irq),
89 /* Tx/Rx IRQ Events */
90 STMMAC_STAT(rx_early_irq),
91 STMMAC_STAT(threshold),
92 STMMAC_STAT(tx_pkt_n),
93 STMMAC_STAT(rx_pkt_n),
94 STMMAC_STAT(normal_irq_n),
95 STMMAC_STAT(rx_normal_irq_n),
96 STMMAC_STAT(napi_poll),
97 STMMAC_STAT(tx_normal_irq_n),
98 STMMAC_STAT(tx_clean),
99 STMMAC_STAT(tx_reset_ic_bit),
100 STMMAC_STAT(irq_receive_pmt_irq_n),
102 STMMAC_STAT(mmc_tx_irq_n),
103 STMMAC_STAT(mmc_rx_irq_n),
104 STMMAC_STAT(mmc_rx_csum_offload_irq_n),
106 STMMAC_STAT(irq_tx_path_in_lpi_mode_n),
107 STMMAC_STAT(irq_tx_path_exit_lpi_mode_n),
108 STMMAC_STAT(irq_rx_path_in_lpi_mode_n),
109 STMMAC_STAT(irq_rx_path_exit_lpi_mode_n),
110 STMMAC_STAT(phy_eee_wakeup_error_n),
112 #define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
114 /* HW MAC Management counters (if supported) */
115 #define STMMAC_MMC_STAT(m) \
116 { #m, FIELD_SIZEOF(struct stmmac_counters, m), \
117 offsetof(struct stmmac_priv, mmc.m)}
119 static const struct stmmac_stats stmmac_mmc[] = {
120 STMMAC_MMC_STAT(mmc_tx_octetcount_gb),
121 STMMAC_MMC_STAT(mmc_tx_framecount_gb),
122 STMMAC_MMC_STAT(mmc_tx_broadcastframe_g),
123 STMMAC_MMC_STAT(mmc_tx_multicastframe_g),
124 STMMAC_MMC_STAT(mmc_tx_64_octets_gb),
125 STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb),
126 STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb),
127 STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb),
128 STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb),
129 STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb),
130 STMMAC_MMC_STAT(mmc_tx_unicast_gb),
131 STMMAC_MMC_STAT(mmc_tx_multicast_gb),
132 STMMAC_MMC_STAT(mmc_tx_broadcast_gb),
133 STMMAC_MMC_STAT(mmc_tx_underflow_error),
134 STMMAC_MMC_STAT(mmc_tx_singlecol_g),
135 STMMAC_MMC_STAT(mmc_tx_multicol_g),
136 STMMAC_MMC_STAT(mmc_tx_deferred),
137 STMMAC_MMC_STAT(mmc_tx_latecol),
138 STMMAC_MMC_STAT(mmc_tx_exesscol),
139 STMMAC_MMC_STAT(mmc_tx_carrier_error),
140 STMMAC_MMC_STAT(mmc_tx_octetcount_g),
141 STMMAC_MMC_STAT(mmc_tx_framecount_g),
142 STMMAC_MMC_STAT(mmc_tx_excessdef),
143 STMMAC_MMC_STAT(mmc_tx_pause_frame),
144 STMMAC_MMC_STAT(mmc_tx_vlan_frame_g),
145 STMMAC_MMC_STAT(mmc_rx_framecount_gb),
146 STMMAC_MMC_STAT(mmc_rx_octetcount_gb),
147 STMMAC_MMC_STAT(mmc_rx_octetcount_g),
148 STMMAC_MMC_STAT(mmc_rx_broadcastframe_g),
149 STMMAC_MMC_STAT(mmc_rx_multicastframe_g),
150 STMMAC_MMC_STAT(mmc_rx_crc_errror),
151 STMMAC_MMC_STAT(mmc_rx_align_error),
152 STMMAC_MMC_STAT(mmc_rx_run_error),
153 STMMAC_MMC_STAT(mmc_rx_jabber_error),
154 STMMAC_MMC_STAT(mmc_rx_undersize_g),
155 STMMAC_MMC_STAT(mmc_rx_oversize_g),
156 STMMAC_MMC_STAT(mmc_rx_64_octets_gb),
157 STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb),
158 STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb),
159 STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb),
160 STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb),
161 STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb),
162 STMMAC_MMC_STAT(mmc_rx_unicast_g),
163 STMMAC_MMC_STAT(mmc_rx_length_error),
164 STMMAC_MMC_STAT(mmc_rx_autofrangetype),
165 STMMAC_MMC_STAT(mmc_rx_pause_frames),
166 STMMAC_MMC_STAT(mmc_rx_fifo_overflow),
167 STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb),
168 STMMAC_MMC_STAT(mmc_rx_watchdog_error),
169 STMMAC_MMC_STAT(mmc_rx_ipc_intr_mask),
170 STMMAC_MMC_STAT(mmc_rx_ipc_intr),
171 STMMAC_MMC_STAT(mmc_rx_ipv4_gd),
172 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr),
173 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay),
174 STMMAC_MMC_STAT(mmc_rx_ipv4_frag),
175 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl),
176 STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets),
177 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets),
178 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets),
179 STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets),
180 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets),
181 STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets),
182 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets),
183 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets),
184 STMMAC_MMC_STAT(mmc_rx_ipv6_gd),
185 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr),
186 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay),
187 STMMAC_MMC_STAT(mmc_rx_udp_gd),
188 STMMAC_MMC_STAT(mmc_rx_udp_err),
189 STMMAC_MMC_STAT(mmc_rx_tcp_gd),
190 STMMAC_MMC_STAT(mmc_rx_tcp_err),
191 STMMAC_MMC_STAT(mmc_rx_icmp_gd),
192 STMMAC_MMC_STAT(mmc_rx_icmp_err),
193 STMMAC_MMC_STAT(mmc_rx_udp_gd_octets),
194 STMMAC_MMC_STAT(mmc_rx_udp_err_octets),
195 STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets),
196 STMMAC_MMC_STAT(mmc_rx_tcp_err_octets),
197 STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets),
198 STMMAC_MMC_STAT(mmc_rx_icmp_err_octets),
200 #define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc)
202 static void stmmac_ethtool_getdrvinfo(struct net_device *dev,
203 struct ethtool_drvinfo *info)
205 struct stmmac_priv *priv = netdev_priv(dev);
207 if (priv->plat->has_gmac)
208 strlcpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver));
210 strlcpy(info->driver, MAC100_ETHTOOL_NAME,
211 sizeof(info->driver));
213 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
216 static int stmmac_ethtool_getsettings(struct net_device *dev,
217 struct ethtool_cmd *cmd)
219 struct stmmac_priv *priv = netdev_priv(dev);
220 struct phy_device *phy = priv->phydev;
223 pr_err("%s: %s: PHY is not registered\n",
224 __func__, dev->name);
227 if (!netif_running(dev)) {
228 pr_err("%s: interface is disabled: we cannot track "
229 "link speed / duplex setting\n", dev->name);
232 cmd->transceiver = XCVR_INTERNAL;
233 spin_lock_irq(&priv->lock);
234 rc = phy_ethtool_gset(phy, cmd);
235 spin_unlock_irq(&priv->lock);
239 static int stmmac_ethtool_setsettings(struct net_device *dev,
240 struct ethtool_cmd *cmd)
242 struct stmmac_priv *priv = netdev_priv(dev);
243 struct phy_device *phy = priv->phydev;
246 spin_lock(&priv->lock);
247 rc = phy_ethtool_sset(phy, cmd);
248 spin_unlock(&priv->lock);
253 static u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
255 struct stmmac_priv *priv = netdev_priv(dev);
256 return priv->msg_enable;
259 static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level)
261 struct stmmac_priv *priv = netdev_priv(dev);
262 priv->msg_enable = level;
266 static int stmmac_check_if_running(struct net_device *dev)
268 if (!netif_running(dev))
273 static int stmmac_ethtool_get_regs_len(struct net_device *dev)
275 return REG_SPACE_SIZE;
278 static void stmmac_ethtool_gregs(struct net_device *dev,
279 struct ethtool_regs *regs, void *space)
282 u32 *reg_space = (u32 *) space;
284 struct stmmac_priv *priv = netdev_priv(dev);
286 memset(reg_space, 0x0, REG_SPACE_SIZE);
288 if (!priv->plat->has_gmac) {
290 for (i = 0; i < 12; i++)
291 reg_space[i] = readl(priv->ioaddr + (i * 4));
293 for (i = 0; i < 9; i++)
295 readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
296 reg_space[22] = readl(priv->ioaddr + DMA_CUR_TX_BUF_ADDR);
297 reg_space[23] = readl(priv->ioaddr + DMA_CUR_RX_BUF_ADDR);
300 for (i = 0; i < 55; i++)
301 reg_space[i] = readl(priv->ioaddr + (i * 4));
303 for (i = 0; i < 22; i++)
305 readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
310 stmmac_get_pauseparam(struct net_device *netdev,
311 struct ethtool_pauseparam *pause)
313 struct stmmac_priv *priv = netdev_priv(netdev);
315 spin_lock(&priv->lock);
319 pause->autoneg = priv->phydev->autoneg;
321 if (priv->flow_ctrl & FLOW_RX)
323 if (priv->flow_ctrl & FLOW_TX)
326 spin_unlock(&priv->lock);
330 stmmac_set_pauseparam(struct net_device *netdev,
331 struct ethtool_pauseparam *pause)
333 struct stmmac_priv *priv = netdev_priv(netdev);
334 struct phy_device *phy = priv->phydev;
335 int new_pause = FLOW_OFF;
338 spin_lock(&priv->lock);
341 new_pause |= FLOW_RX;
343 new_pause |= FLOW_TX;
345 priv->flow_ctrl = new_pause;
346 phy->autoneg = pause->autoneg;
349 if (netif_running(netdev))
350 ret = phy_start_aneg(phy);
352 priv->hw->mac->flow_ctrl(priv->ioaddr, phy->duplex,
353 priv->flow_ctrl, priv->pause);
354 spin_unlock(&priv->lock);
358 static void stmmac_get_ethtool_stats(struct net_device *dev,
359 struct ethtool_stats *dummy, u64 *data)
361 struct stmmac_priv *priv = netdev_priv(dev);
364 /* Update the DMA HW counters for dwmac10/100 */
365 if (!priv->plat->has_gmac)
366 priv->hw->dma->dma_diagnostic_fr(&dev->stats,
367 (void *) &priv->xstats,
370 /* If supported, for new GMAC chips expose the MMC counters */
371 if (priv->dma_cap.rmon) {
372 dwmac_mmc_read(priv->ioaddr, &priv->mmc);
374 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
376 p = (char *)priv + stmmac_mmc[i].stat_offset;
378 data[j++] = (stmmac_mmc[i].sizeof_stat ==
379 sizeof(u64)) ? (*(u64 *)p) :
383 if (priv->eee_enabled) {
384 int val = phy_get_eee_err(priv->phydev);
386 priv->xstats.phy_eee_wakeup_error_n = val;
389 for (i = 0; i < STMMAC_STATS_LEN; i++) {
390 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
391 data[j++] = (stmmac_gstrings_stats[i].sizeof_stat ==
392 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
396 static int stmmac_get_sset_count(struct net_device *netdev, int sset)
398 struct stmmac_priv *priv = netdev_priv(netdev);
403 len = STMMAC_STATS_LEN;
405 if (priv->dma_cap.rmon)
406 len += STMMAC_MMC_STATS_LEN;
414 static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
418 struct stmmac_priv *priv = netdev_priv(dev);
422 if (priv->dma_cap.rmon)
423 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
424 memcpy(p, stmmac_mmc[i].stat_string,
426 p += ETH_GSTRING_LEN;
428 for (i = 0; i < STMMAC_STATS_LEN; i++) {
429 memcpy(p, stmmac_gstrings_stats[i].stat_string,
431 p += ETH_GSTRING_LEN;
440 /* Currently only support WOL through Magic packet. */
441 static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
443 struct stmmac_priv *priv = netdev_priv(dev);
445 spin_lock_irq(&priv->lock);
446 if (device_can_wakeup(priv->device)) {
447 wol->supported = WAKE_MAGIC | WAKE_UCAST;
448 wol->wolopts = priv->wolopts;
450 spin_unlock_irq(&priv->lock);
453 static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
455 struct stmmac_priv *priv = netdev_priv(dev);
456 u32 support = WAKE_MAGIC | WAKE_UCAST;
458 /* By default almost all GMAC devices support the WoL via
459 * magic frame but we can disable it if the HW capability
460 * register shows no support for pmt_magic_frame. */
461 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
462 wol->wolopts &= ~WAKE_MAGIC;
464 if (!device_can_wakeup(priv->device))
467 if (wol->wolopts & ~support)
471 pr_info("stmmac: wakeup enable\n");
472 device_set_wakeup_enable(priv->device, 1);
473 enable_irq_wake(priv->wol_irq);
475 device_set_wakeup_enable(priv->device, 0);
476 disable_irq_wake(priv->wol_irq);
479 spin_lock_irq(&priv->lock);
480 priv->wolopts = wol->wolopts;
481 spin_unlock_irq(&priv->lock);
486 static int stmmac_ethtool_op_get_eee(struct net_device *dev,
487 struct ethtool_eee *edata)
489 struct stmmac_priv *priv = netdev_priv(dev);
491 if (!priv->dma_cap.eee)
494 edata->eee_enabled = priv->eee_enabled;
495 edata->eee_active = priv->eee_active;
496 edata->tx_lpi_timer = priv->tx_lpi_timer;
498 return phy_ethtool_get_eee(priv->phydev, edata);
501 static int stmmac_ethtool_op_set_eee(struct net_device *dev,
502 struct ethtool_eee *edata)
504 struct stmmac_priv *priv = netdev_priv(dev);
506 priv->eee_enabled = edata->eee_enabled;
508 if (!priv->eee_enabled)
509 stmmac_disable_eee_mode(priv);
511 /* We are asking for enabling the EEE but it is safe
512 * to verify all by invoking the eee_init function.
513 * In case of failure it will return an error.
515 priv->eee_enabled = stmmac_eee_init(priv);
516 if (!priv->eee_enabled)
519 /* Do not change tx_lpi_timer in case of failure */
520 priv->tx_lpi_timer = edata->tx_lpi_timer;
523 return phy_ethtool_set_eee(priv->phydev, edata);
526 static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv)
528 unsigned long clk = clk_get_rate(priv->stmmac_clk);
533 return (usec * (clk / 1000000)) / 256;
536 static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv)
538 unsigned long clk = clk_get_rate(priv->stmmac_clk);
543 return (riwt * 256) / (clk / 1000000);
546 static int stmmac_get_coalesce(struct net_device *dev,
547 struct ethtool_coalesce *ec)
549 struct stmmac_priv *priv = netdev_priv(dev);
551 ec->tx_coalesce_usecs = priv->tx_coal_timer;
552 ec->tx_max_coalesced_frames = priv->tx_coal_frames;
555 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt, priv);
560 static int stmmac_set_coalesce(struct net_device *dev,
561 struct ethtool_coalesce *ec)
563 struct stmmac_priv *priv = netdev_priv(dev);
564 unsigned int rx_riwt;
566 /* Check not supported parameters */
567 if ((ec->rx_max_coalesced_frames) || (ec->rx_coalesce_usecs_irq) ||
568 (ec->rx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) ||
569 (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) ||
570 (ec->pkt_rate_low) || (ec->rx_coalesce_usecs_low) ||
571 (ec->rx_max_coalesced_frames_low) || (ec->tx_coalesce_usecs_high) ||
572 (ec->tx_max_coalesced_frames_low) || (ec->pkt_rate_high) ||
573 (ec->tx_coalesce_usecs_low) || (ec->rx_coalesce_usecs_high) ||
574 (ec->rx_max_coalesced_frames_high) ||
575 (ec->tx_max_coalesced_frames_irq) ||
576 (ec->stats_block_coalesce_usecs) ||
577 (ec->tx_max_coalesced_frames_high) || (ec->rate_sample_interval))
580 if (ec->rx_coalesce_usecs == 0)
583 if ((ec->tx_coalesce_usecs == 0) &&
584 (ec->tx_max_coalesced_frames == 0))
587 if ((ec->tx_coalesce_usecs > STMMAC_COAL_TX_TIMER) ||
588 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES))
591 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv);
593 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT))
595 else if (!priv->use_riwt)
598 /* Only copy relevant parameters, ignore all others. */
599 priv->tx_coal_frames = ec->tx_max_coalesced_frames;
600 priv->tx_coal_timer = ec->tx_coalesce_usecs;
601 priv->rx_riwt = rx_riwt;
602 priv->hw->dma->rx_watchdog(priv->ioaddr, priv->rx_riwt);
607 static const struct ethtool_ops stmmac_ethtool_ops = {
608 .begin = stmmac_check_if_running,
609 .get_drvinfo = stmmac_ethtool_getdrvinfo,
610 .get_settings = stmmac_ethtool_getsettings,
611 .set_settings = stmmac_ethtool_setsettings,
612 .get_msglevel = stmmac_ethtool_getmsglevel,
613 .set_msglevel = stmmac_ethtool_setmsglevel,
614 .get_regs = stmmac_ethtool_gregs,
615 .get_regs_len = stmmac_ethtool_get_regs_len,
616 .get_link = ethtool_op_get_link,
617 .get_pauseparam = stmmac_get_pauseparam,
618 .set_pauseparam = stmmac_set_pauseparam,
619 .get_ethtool_stats = stmmac_get_ethtool_stats,
620 .get_strings = stmmac_get_strings,
621 .get_wol = stmmac_get_wol,
622 .set_wol = stmmac_set_wol,
623 .get_eee = stmmac_ethtool_op_get_eee,
624 .set_eee = stmmac_ethtool_op_set_eee,
625 .get_sset_count = stmmac_get_sset_count,
626 .get_ts_info = ethtool_op_get_ts_info,
627 .get_coalesce = stmmac_get_coalesce,
628 .set_coalesce = stmmac_set_coalesce,
631 void stmmac_set_ethtool_ops(struct net_device *netdev)
633 SET_ETHTOOL_OPS(netdev, &stmmac_ethtool_ops);