1 /*
2  * AMD 10Gb Ethernet driver
3  *
4  * This file is available to you under your choice of the following two
5  * licenses:
6  *
7  * License 1: GPLv2
8  *
9  * Copyright (c) 2014 Advanced Micro Devices, Inc.
10  *
11  * This file is free software; you may copy, redistribute and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation, either version 2 of the License, or (at
14  * your option) any later version.
15  *
16  * This file is distributed in the hope that it will be useful, but
17  * WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  * General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
23  *
24  * This file incorporates work covered by the following copyright and
25  * permission notice:
26  *     The Synopsys DWC ETHER XGMAC Software Driver and documentation
27  *     (hereinafter "Software") is an unsupported proprietary work of Synopsys,
28  *     Inc. unless otherwise expressly agreed to in writing between Synopsys
29  *     and you.
30  *
31  *     The Software IS NOT an item of Licensed Software or Licensed Product
32  *     under any End User Software License Agreement or Agreement for Licensed
33  *     Product with Synopsys or any supplement thereto.  Permission is hereby
34  *     granted, free of charge, to any person obtaining a copy of this software
35  *     annotated with this license and the Software, to deal in the Software
36  *     without restriction, including without limitation the rights to use,
37  *     copy, modify, merge, publish, distribute, sublicense, and/or sell copies
38  *     of the Software, and to permit persons to whom the Software is furnished
39  *     to do so, subject to the following conditions:
40  *
41  *     The above copyright notice and this permission notice shall be included
42  *     in all copies or substantial portions of the Software.
43  *
44  *     THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
45  *     BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
46  *     TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
47  *     PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
48  *     BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
49  *     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
50  *     SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
51  *     INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
52  *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
53  *     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
54  *     THE POSSIBILITY OF SUCH DAMAGE.
55  *
56  *
57  * License 2: Modified BSD
58  *
59  * Copyright (c) 2014 Advanced Micro Devices, Inc.
60  * All rights reserved.
61  *
62  * Redistribution and use in source and binary forms, with or without
63  * modification, are permitted provided that the following conditions are met:
64  *     * Redistributions of source code must retain the above copyright
65  *       notice, this list of conditions and the following disclaimer.
66  *     * Redistributions in binary form must reproduce the above copyright
67  *       notice, this list of conditions and the following disclaimer in the
68  *       documentation and/or other materials provided with the distribution.
69  *     * Neither the name of Advanced Micro Devices, Inc. nor the
70  *       names of its contributors may be used to endorse or promote products
71  *       derived from this software without specific prior written permission.
72  *
73  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
74  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
75  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
76  * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
77  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
78  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
79  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
80  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
81  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
82  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
83  *
84  * This file incorporates work covered by the following copyright and
85  * permission notice:
86  *     The Synopsys DWC ETHER XGMAC Software Driver and documentation
87  *     (hereinafter "Software") is an unsupported proprietary work of Synopsys,
88  *     Inc. unless otherwise expressly agreed to in writing between Synopsys
89  *     and you.
90  *
91  *     The Software IS NOT an item of Licensed Software or Licensed Product
92  *     under any End User Software License Agreement or Agreement for Licensed
93  *     Product with Synopsys or any supplement thereto.  Permission is hereby
94  *     granted, free of charge, to any person obtaining a copy of this software
95  *     annotated with this license and the Software, to deal in the Software
96  *     without restriction, including without limitation the rights to use,
97  *     copy, modify, merge, publish, distribute, sublicense, and/or sell copies
98  *     of the Software, and to permit persons to whom the Software is furnished
99  *     to do so, subject to the following conditions:
100  *
101  *     The above copyright notice and this permission notice shall be included
102  *     in all copies or substantial portions of the Software.
103  *
104  *     THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
105  *     BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
106  *     TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
107  *     PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
108  *     BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
109  *     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
110  *     SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
111  *     INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
112  *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
113  *     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
114  *     THE POSSIBILITY OF SUCH DAMAGE.
115  */
116 
117 #include <linux/spinlock.h>
118 #include <linux/phy.h>
119 #include <linux/net_tstamp.h>
120 
121 #include "xgbe.h"
122 #include "xgbe-common.h"
123 
124 struct xgbe_stats {
125 	char stat_string[ETH_GSTRING_LEN];
126 	int stat_size;
127 	int stat_offset;
128 };
129 
130 #define XGMAC_MMC_STAT(_string, _var)				\
131 	{ _string,						\
132 	  FIELD_SIZEOF(struct xgbe_mmc_stats, _var),		\
133 	  offsetof(struct xgbe_prv_data, mmc_stats._var),	\
134 	}
135 
136 static const struct xgbe_stats xgbe_gstring_stats[] = {
137 	XGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
138 	XGMAC_MMC_STAT("tx_packets", txframecount_gb),
139 	XGMAC_MMC_STAT("tx_unicast_packets", txunicastframes_gb),
140 	XGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
141 	XGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
142 	XGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
143 	XGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
144 	XGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
145 	XGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
146 	XGMAC_MMC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
147 	XGMAC_MMC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
148 	XGMAC_MMC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
149 	XGMAC_MMC_STAT("tx_underflow_errors", txunderflowerror),
150 	XGMAC_MMC_STAT("tx_pause_frames", txpauseframes),
151 
152 	XGMAC_MMC_STAT("rx_bytes", rxoctetcount_gb),
153 	XGMAC_MMC_STAT("rx_packets", rxframecount_gb),
154 	XGMAC_MMC_STAT("rx_unicast_packets", rxunicastframes_g),
155 	XGMAC_MMC_STAT("rx_broadcast_packets", rxbroadcastframes_g),
156 	XGMAC_MMC_STAT("rx_multicast_packets", rxmulticastframes_g),
157 	XGMAC_MMC_STAT("rx_vlan_packets", rxvlanframes_gb),
158 	XGMAC_MMC_STAT("rx_64_byte_packets", rx64octets_gb),
159 	XGMAC_MMC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
160 	XGMAC_MMC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
161 	XGMAC_MMC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
162 	XGMAC_MMC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
163 	XGMAC_MMC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
164 	XGMAC_MMC_STAT("rx_undersize_packets", rxundersize_g),
165 	XGMAC_MMC_STAT("rx_oversize_packets", rxoversize_g),
166 	XGMAC_MMC_STAT("rx_crc_errors", rxcrcerror),
167 	XGMAC_MMC_STAT("rx_crc_errors_small_packets", rxrunterror),
168 	XGMAC_MMC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
169 	XGMAC_MMC_STAT("rx_length_errors", rxlengtherror),
170 	XGMAC_MMC_STAT("rx_out_of_range_errors", rxoutofrangetype),
171 	XGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
172 	XGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
173 	XGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
174 };
175 
176 #define XGBE_STATS_COUNT	ARRAY_SIZE(xgbe_gstring_stats)
177 
178 static void xgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
179 {
180 	int i;
181 
182 	DBGPR("-->%s\n", __func__);
183 
184 	switch (stringset) {
185 	case ETH_SS_STATS:
186 		for (i = 0; i < XGBE_STATS_COUNT; i++) {
187 			memcpy(data, xgbe_gstring_stats[i].stat_string,
188 			       ETH_GSTRING_LEN);
189 			data += ETH_GSTRING_LEN;
190 		}
191 		break;
192 	}
193 
194 	DBGPR("<--%s\n", __func__);
195 }
196 
197 static void xgbe_get_ethtool_stats(struct net_device *netdev,
198 				   struct ethtool_stats *stats, u64 *data)
199 {
200 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
201 	u8 *stat;
202 	int i;
203 
204 	DBGPR("-->%s\n", __func__);
205 
206 	pdata->hw_if.read_mmc_stats(pdata);
207 	for (i = 0; i < XGBE_STATS_COUNT; i++) {
208 		stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset;
209 		*data++ = *(u64 *)stat;
210 	}
211 
212 	DBGPR("<--%s\n", __func__);
213 }
214 
215 static int xgbe_get_sset_count(struct net_device *netdev, int stringset)
216 {
217 	int ret;
218 
219 	DBGPR("-->%s\n", __func__);
220 
221 	switch (stringset) {
222 	case ETH_SS_STATS:
223 		ret = XGBE_STATS_COUNT;
224 		break;
225 
226 	default:
227 		ret = -EOPNOTSUPP;
228 	}
229 
230 	DBGPR("<--%s\n", __func__);
231 
232 	return ret;
233 }
234 
235 static void xgbe_get_pauseparam(struct net_device *netdev,
236 				struct ethtool_pauseparam *pause)
237 {
238 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
239 
240 	DBGPR("-->xgbe_get_pauseparam\n");
241 
242 	pause->autoneg = pdata->pause_autoneg;
243 	pause->tx_pause = pdata->tx_pause;
244 	pause->rx_pause = pdata->rx_pause;
245 
246 	DBGPR("<--xgbe_get_pauseparam\n");
247 }
248 
249 static int xgbe_set_pauseparam(struct net_device *netdev,
250 			       struct ethtool_pauseparam *pause)
251 {
252 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
253 	struct phy_device *phydev = pdata->phydev;
254 	int ret = 0;
255 
256 	DBGPR("-->xgbe_set_pauseparam\n");
257 
258 	DBGPR("  autoneg = %d, tx_pause = %d, rx_pause = %d\n",
259 	      pause->autoneg, pause->tx_pause, pause->rx_pause);
260 
261 	pdata->pause_autoneg = pause->autoneg;
262 	if (pause->autoneg) {
263 		phydev->advertising |= ADVERTISED_Pause;
264 		phydev->advertising |= ADVERTISED_Asym_Pause;
265 
266 	} else {
267 		phydev->advertising &= ~ADVERTISED_Pause;
268 		phydev->advertising &= ~ADVERTISED_Asym_Pause;
269 
270 		pdata->tx_pause = pause->tx_pause;
271 		pdata->rx_pause = pause->rx_pause;
272 	}
273 
274 	if (netif_running(netdev))
275 		ret = phy_start_aneg(phydev);
276 
277 	DBGPR("<--xgbe_set_pauseparam\n");
278 
279 	return ret;
280 }
281 
282 static int xgbe_get_settings(struct net_device *netdev,
283 			     struct ethtool_cmd *cmd)
284 {
285 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
286 	int ret;
287 
288 	DBGPR("-->xgbe_get_settings\n");
289 
290 	if (!pdata->phydev)
291 		return -ENODEV;
292 
293 	ret = phy_ethtool_gset(pdata->phydev, cmd);
294 
295 	DBGPR("<--xgbe_get_settings\n");
296 
297 	return ret;
298 }
299 
300 static int xgbe_set_settings(struct net_device *netdev,
301 			     struct ethtool_cmd *cmd)
302 {
303 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
304 	struct phy_device *phydev = pdata->phydev;
305 	u32 speed;
306 	int ret;
307 
308 	DBGPR("-->xgbe_set_settings\n");
309 
310 	if (!pdata->phydev)
311 		return -ENODEV;
312 
313 	speed = ethtool_cmd_speed(cmd);
314 
315 	if (cmd->phy_address != phydev->addr)
316 		return -EINVAL;
317 
318 	if ((cmd->autoneg != AUTONEG_ENABLE) &&
319 	    (cmd->autoneg != AUTONEG_DISABLE))
320 		return -EINVAL;
321 
322 	if (cmd->autoneg == AUTONEG_DISABLE) {
323 		switch (speed) {
324 		case SPEED_10000:
325 		case SPEED_2500:
326 		case SPEED_1000:
327 			break;
328 		default:
329 			return -EINVAL;
330 		}
331 
332 		if (cmd->duplex != DUPLEX_FULL)
333 			return -EINVAL;
334 	}
335 
336 	cmd->advertising &= phydev->supported;
337 	if ((cmd->autoneg == AUTONEG_ENABLE) && !cmd->advertising)
338 		return -EINVAL;
339 
340 	ret = 0;
341 	phydev->autoneg = cmd->autoneg;
342 	phydev->speed = speed;
343 	phydev->duplex = cmd->duplex;
344 	phydev->advertising = cmd->advertising;
345 
346 	if (cmd->autoneg == AUTONEG_ENABLE)
347 		phydev->advertising |= ADVERTISED_Autoneg;
348 	else
349 		phydev->advertising &= ~ADVERTISED_Autoneg;
350 
351 	if (netif_running(netdev))
352 		ret = phy_start_aneg(phydev);
353 
354 	DBGPR("<--xgbe_set_settings\n");
355 
356 	return ret;
357 }
358 
359 static void xgbe_get_drvinfo(struct net_device *netdev,
360 			     struct ethtool_drvinfo *drvinfo)
361 {
362 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
363 	struct xgbe_hw_features *hw_feat = &pdata->hw_feat;
364 
365 	strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
366 	strlcpy(drvinfo->version, XGBE_DRV_VERSION, sizeof(drvinfo->version));
367 	strlcpy(drvinfo->bus_info, dev_name(pdata->dev),
368 		sizeof(drvinfo->bus_info));
369 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
370 		 XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
371 		 XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
372 		 XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
373 	drvinfo->n_stats = XGBE_STATS_COUNT;
374 }
375 
376 static int xgbe_get_coalesce(struct net_device *netdev,
377 			     struct ethtool_coalesce *ec)
378 {
379 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
380 
381 	DBGPR("-->xgbe_get_coalesce\n");
382 
383 	memset(ec, 0, sizeof(struct ethtool_coalesce));
384 
385 	ec->rx_coalesce_usecs = pdata->rx_usecs;
386 	ec->rx_max_coalesced_frames = pdata->rx_frames;
387 
388 	ec->tx_max_coalesced_frames = pdata->tx_frames;
389 
390 	DBGPR("<--xgbe_get_coalesce\n");
391 
392 	return 0;
393 }
394 
395 static int xgbe_set_coalesce(struct net_device *netdev,
396 			     struct ethtool_coalesce *ec)
397 {
398 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
399 	struct xgbe_hw_if *hw_if = &pdata->hw_if;
400 	unsigned int rx_frames, rx_riwt, rx_usecs;
401 	unsigned int tx_frames;
402 
403 	DBGPR("-->xgbe_set_coalesce\n");
404 
405 	/* Check for not supported parameters  */
406 	if ((ec->rx_coalesce_usecs_irq) ||
407 	    (ec->rx_max_coalesced_frames_irq) ||
408 	    (ec->tx_coalesce_usecs) ||
409 	    (ec->tx_coalesce_usecs_irq) ||
410 	    (ec->tx_max_coalesced_frames_irq) ||
411 	    (ec->stats_block_coalesce_usecs) ||
412 	    (ec->use_adaptive_rx_coalesce) ||
413 	    (ec->use_adaptive_tx_coalesce) ||
414 	    (ec->pkt_rate_low) ||
415 	    (ec->rx_coalesce_usecs_low) ||
416 	    (ec->rx_max_coalesced_frames_low) ||
417 	    (ec->tx_coalesce_usecs_low) ||
418 	    (ec->tx_max_coalesced_frames_low) ||
419 	    (ec->pkt_rate_high) ||
420 	    (ec->rx_coalesce_usecs_high) ||
421 	    (ec->rx_max_coalesced_frames_high) ||
422 	    (ec->tx_coalesce_usecs_high) ||
423 	    (ec->tx_max_coalesced_frames_high) ||
424 	    (ec->rate_sample_interval))
425 		return -EOPNOTSUPP;
426 
427 	rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
428 	rx_usecs = ec->rx_coalesce_usecs;
429 	rx_frames = ec->rx_max_coalesced_frames;
430 
431 	/* Use smallest possible value if conversion resulted in zero */
432 	if (rx_usecs && !rx_riwt)
433 		rx_riwt = 1;
434 
435 	/* Check the bounds of values for Rx */
436 	if (rx_riwt > XGMAC_MAX_DMA_RIWT) {
437 		netdev_alert(netdev, "rx-usec is limited to %d usecs\n",
438 			     hw_if->riwt_to_usec(pdata, XGMAC_MAX_DMA_RIWT));
439 		return -EINVAL;
440 	}
441 	if (rx_frames > pdata->rx_desc_count) {
442 		netdev_alert(netdev, "rx-frames is limited to %d frames\n",
443 			     pdata->rx_desc_count);
444 		return -EINVAL;
445 	}
446 
447 	tx_frames = ec->tx_max_coalesced_frames;
448 
449 	/* Check the bounds of values for Tx */
450 	if (tx_frames > pdata->tx_desc_count) {
451 		netdev_alert(netdev, "tx-frames is limited to %d frames\n",
452 			     pdata->tx_desc_count);
453 		return -EINVAL;
454 	}
455 
456 	pdata->rx_riwt = rx_riwt;
457 	pdata->rx_usecs = rx_usecs;
458 	pdata->rx_frames = rx_frames;
459 	hw_if->config_rx_coalesce(pdata);
460 
461 	pdata->tx_frames = tx_frames;
462 	hw_if->config_tx_coalesce(pdata);
463 
464 	DBGPR("<--xgbe_set_coalesce\n");
465 
466 	return 0;
467 }
468 
469 static int xgbe_get_rxnfc(struct net_device *netdev,
470 			  struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
471 {
472 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
473 
474 	switch (rxnfc->cmd) {
475 	case ETHTOOL_GRXRINGS:
476 		rxnfc->data = pdata->rx_ring_count;
477 		break;
478 	default:
479 		return -EOPNOTSUPP;
480 	}
481 
482 	return 0;
483 }
484 
485 static u32 xgbe_get_rxfh_key_size(struct net_device *netdev)
486 {
487 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
488 
489 	return sizeof(pdata->rss_key);
490 }
491 
492 static u32 xgbe_get_rxfh_indir_size(struct net_device *netdev)
493 {
494 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
495 
496 	return ARRAY_SIZE(pdata->rss_table);
497 }
498 
499 static int xgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
500 			 u8 *hfunc)
501 {
502 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
503 	unsigned int i;
504 
505 	if (indir) {
506 		for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++)
507 			indir[i] = XGMAC_GET_BITS(pdata->rss_table[i],
508 						  MAC_RSSDR, DMCH);
509 	}
510 
511 	if (key)
512 		memcpy(key, pdata->rss_key, sizeof(pdata->rss_key));
513 
514 	if (hfunc)
515 		*hfunc = ETH_RSS_HASH_TOP;
516 
517 	return 0;
518 }
519 
520 static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
521 			 const u8 *key, const u8 hfunc)
522 {
523 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
524 	struct xgbe_hw_if *hw_if = &pdata->hw_if;
525 	unsigned int ret;
526 
527 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
528 		return -EOPNOTSUPP;
529 
530 	if (indir) {
531 		ret = hw_if->set_rss_lookup_table(pdata, indir);
532 		if (ret)
533 			return ret;
534 	}
535 
536 	if (key) {
537 		ret = hw_if->set_rss_hash_key(pdata, key);
538 		if (ret)
539 			return ret;
540 	}
541 
542 	return 0;
543 }
544 
545 static int xgbe_get_ts_info(struct net_device *netdev,
546 			    struct ethtool_ts_info *ts_info)
547 {
548 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
549 
550 	ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
551 				   SOF_TIMESTAMPING_RX_SOFTWARE |
552 				   SOF_TIMESTAMPING_SOFTWARE |
553 				   SOF_TIMESTAMPING_TX_HARDWARE |
554 				   SOF_TIMESTAMPING_RX_HARDWARE |
555 				   SOF_TIMESTAMPING_RAW_HARDWARE;
556 
557 	if (pdata->ptp_clock)
558 		ts_info->phc_index = ptp_clock_index(pdata->ptp_clock);
559 	else
560 		ts_info->phc_index = -1;
561 
562 	ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
563 	ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
564 			      (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
565 			      (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
566 			      (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
567 			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
568 			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
569 			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
570 			      (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
571 			      (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
572 			      (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
573 			      (1 << HWTSTAMP_FILTER_ALL);
574 
575 	return 0;
576 }
577 
578 static const struct ethtool_ops xgbe_ethtool_ops = {
579 	.get_settings = xgbe_get_settings,
580 	.set_settings = xgbe_set_settings,
581 	.get_drvinfo = xgbe_get_drvinfo,
582 	.get_link = ethtool_op_get_link,
583 	.get_coalesce = xgbe_get_coalesce,
584 	.set_coalesce = xgbe_set_coalesce,
585 	.get_pauseparam = xgbe_get_pauseparam,
586 	.set_pauseparam = xgbe_set_pauseparam,
587 	.get_strings = xgbe_get_strings,
588 	.get_ethtool_stats = xgbe_get_ethtool_stats,
589 	.get_sset_count = xgbe_get_sset_count,
590 	.get_rxnfc = xgbe_get_rxnfc,
591 	.get_rxfh_key_size = xgbe_get_rxfh_key_size,
592 	.get_rxfh_indir_size = xgbe_get_rxfh_indir_size,
593 	.get_rxfh = xgbe_get_rxfh,
594 	.set_rxfh = xgbe_set_rxfh,
595 	.get_ts_info = xgbe_get_ts_info,
596 };
597 
598 struct ethtool_ops *xgbe_get_ethtool_ops(void)
599 {
600 	return (struct ethtool_ops *)&xgbe_ethtool_ops;
601 }
602