xref: /linux/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c (revision 42a9fb3382fc2573e92f41d203b095d9a372cfc9)
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
3 
4 #include <linux/module.h>
5 #include <linux/netdevice.h>
6 #include <linux/sfp.h>
7 
8 #include "ionic.h"
9 #include "ionic_bus.h"
10 #include "ionic_lif.h"
11 #include "ionic_ethtool.h"
12 #include "ionic_stats.h"
13 
14 #define IONIC_MAX_RX_COPYBREAK	min(U16_MAX, IONIC_MAX_BUF_LEN)
15 
16 static void ionic_get_stats_strings(struct ionic_lif *lif, u8 *buf)
17 {
18 	u32 i;
19 
20 	for (i = 0; i < ionic_num_stats_grps; i++)
21 		ionic_stats_groups[i].get_strings(lif, &buf);
22 }
23 
24 static void ionic_get_stats(struct net_device *netdev,
25 			    struct ethtool_stats *stats, u64 *buf)
26 {
27 	struct ionic_lif *lif = netdev_priv(netdev);
28 	u32 i;
29 
30 	if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
31 		return;
32 
33 	memset(buf, 0, stats->n_stats * sizeof(*buf));
34 	for (i = 0; i < ionic_num_stats_grps; i++)
35 		ionic_stats_groups[i].get_values(lif, &buf);
36 }
37 
38 static int ionic_get_stats_count(struct ionic_lif *lif)
39 {
40 	int i, num_stats = 0;
41 
42 	for (i = 0; i < ionic_num_stats_grps; i++)
43 		num_stats += ionic_stats_groups[i].get_count(lif);
44 
45 	return num_stats;
46 }
47 
48 static int ionic_get_sset_count(struct net_device *netdev, int sset)
49 {
50 	struct ionic_lif *lif = netdev_priv(netdev);
51 	int count = 0;
52 
53 	switch (sset) {
54 	case ETH_SS_STATS:
55 		count = ionic_get_stats_count(lif);
56 		break;
57 	}
58 	return count;
59 }
60 
61 static void ionic_get_strings(struct net_device *netdev,
62 			      u32 sset, u8 *buf)
63 {
64 	struct ionic_lif *lif = netdev_priv(netdev);
65 
66 	switch (sset) {
67 	case ETH_SS_STATS:
68 		ionic_get_stats_strings(lif, buf);
69 		break;
70 	}
71 }
72 
73 static void ionic_get_drvinfo(struct net_device *netdev,
74 			      struct ethtool_drvinfo *drvinfo)
75 {
76 	struct ionic_lif *lif = netdev_priv(netdev);
77 	struct ionic *ionic = lif->ionic;
78 
79 	strscpy(drvinfo->driver, IONIC_DRV_NAME, sizeof(drvinfo->driver));
80 	strscpy(drvinfo->fw_version, ionic->idev.dev_info.fw_version,
81 		sizeof(drvinfo->fw_version));
82 	strscpy(drvinfo->bus_info, ionic_bus_info(ionic),
83 		sizeof(drvinfo->bus_info));
84 }
85 
86 static int ionic_get_regs_len(struct net_device *netdev)
87 {
88 	return (IONIC_DEV_INFO_REG_COUNT + IONIC_DEV_CMD_REG_COUNT) * sizeof(u32);
89 }
90 
91 static void ionic_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
92 			   void *p)
93 {
94 	struct ionic_lif *lif = netdev_priv(netdev);
95 	struct ionic_dev *idev;
96 	unsigned int offset;
97 	unsigned int size;
98 
99 	regs->version = IONIC_DEV_CMD_REG_VERSION;
100 
101 	idev = &lif->ionic->idev;
102 	if (!idev->dev_info_regs)
103 		return;
104 
105 	offset = 0;
106 	size = IONIC_DEV_INFO_REG_COUNT * sizeof(u32);
107 	memcpy_fromio(p + offset, lif->ionic->idev.dev_info_regs->words, size);
108 
109 	offset += size;
110 	size = IONIC_DEV_CMD_REG_COUNT * sizeof(u32);
111 	memcpy_fromio(p + offset, idev->dev_cmd_regs->words, size);
112 }
113 
114 static void ionic_get_link_ext_stats(struct net_device *netdev,
115 				     struct ethtool_link_ext_stats *stats)
116 {
117 	struct ionic_lif *lif = netdev_priv(netdev);
118 	struct ionic *ionic = lif->ionic;
119 	u64 link_down_count_total;
120 	u16 link_down_count_fw;
121 
122 	if (ionic->pdev->is_virtfn)
123 		return;
124 
125 	if (!ionic->idev.port_info) {
126 		netdev_err_once(netdev, "port_info not initialized\n");
127 		return;
128 	}
129 
130 	link_down_count_fw =
131 	    le16_to_cpu(ionic->idev.port_info->status.link_down_count);
132 	link_down_count_total = ionic->idev.link_down_count_total +
133 				link_down_count_fw -
134 				ionic->idev.link_down_count_last;
135 
136 	/* The firmware counter is only 16 bits and can wraparound */
137 	if (link_down_count_fw < ionic->idev.link_down_count_last)
138 		link_down_count_total += BIT(16);
139 
140 	ionic->idev.link_down_count_last = link_down_count_fw;
141 	ionic->idev.link_down_count_total = link_down_count_total;
142 
143 	stats->link_down_events = link_down_count_total;
144 }
145 
146 static int ionic_get_link_ksettings(struct net_device *netdev,
147 				    struct ethtool_link_ksettings *ks)
148 {
149 	struct ionic_lif *lif = netdev_priv(netdev);
150 	struct ionic_dev *idev = &lif->ionic->idev;
151 	int copper_seen = 0;
152 
153 	ethtool_link_ksettings_zero_link_mode(ks, supported);
154 
155 	if (!idev->port_info) {
156 		netdev_err(netdev, "port_info not initialized\n");
157 		return -EOPNOTSUPP;
158 	}
159 
160 	/* The port_info data is found in a DMA space that the NIC keeps
161 	 * up-to-date, so there's no need to request the data from the
162 	 * NIC, we already have it in our memory space.
163 	 */
164 
165 	switch (le16_to_cpu(idev->port_info->status.xcvr.pid)) {
166 		/* Copper */
167 	case IONIC_XCVR_PID_QSFP_100G_CR4:
168 		ethtool_link_ksettings_add_link_mode(ks, supported,
169 						     100000baseCR4_Full);
170 		copper_seen++;
171 		break;
172 	case IONIC_XCVR_PID_QSFP_40GBASE_CR4:
173 		ethtool_link_ksettings_add_link_mode(ks, supported,
174 						     40000baseCR4_Full);
175 		copper_seen++;
176 		break;
177 	case IONIC_XCVR_PID_SFP_25GBASE_CR_S:
178 	case IONIC_XCVR_PID_SFP_25GBASE_CR_L:
179 	case IONIC_XCVR_PID_SFP_25GBASE_CR_N:
180 		ethtool_link_ksettings_add_link_mode(ks, supported,
181 						     25000baseCR_Full);
182 		copper_seen++;
183 		break;
184 	case IONIC_XCVR_PID_QSFP_50G_CR2_FC:
185 	case IONIC_XCVR_PID_QSFP_50G_CR2:
186 		ethtool_link_ksettings_add_link_mode(ks, supported,
187 						     50000baseCR2_Full);
188 		copper_seen++;
189 		break;
190 	case IONIC_XCVR_PID_QSFP_200G_CR4:
191 		ethtool_link_ksettings_add_link_mode(ks, supported, 200000baseCR4_Full);
192 		copper_seen++;
193 		break;
194 	case IONIC_XCVR_PID_QSFP_400G_CR4:
195 		ethtool_link_ksettings_add_link_mode(ks, supported, 400000baseCR4_Full);
196 		copper_seen++;
197 		break;
198 	case IONIC_XCVR_PID_SFP_10GBASE_AOC:
199 	case IONIC_XCVR_PID_SFP_10GBASE_CU:
200 		ethtool_link_ksettings_add_link_mode(ks, supported,
201 						     10000baseCR_Full);
202 		copper_seen++;
203 		break;
204 
205 		/* Fibre */
206 	case IONIC_XCVR_PID_QSFP_100G_SR4:
207 	case IONIC_XCVR_PID_QSFP_100G_AOC:
208 		ethtool_link_ksettings_add_link_mode(ks, supported,
209 						     100000baseSR4_Full);
210 		break;
211 	case IONIC_XCVR_PID_QSFP_100G_CWDM4:
212 	case IONIC_XCVR_PID_QSFP_100G_PSM4:
213 	case IONIC_XCVR_PID_QSFP_100G_LR4:
214 	case IONIC_XCVR_PID_QSFP_100G_ER4:
215 	case IONIC_XCVR_PID_QSFP_100G_FR4:
216 	case IONIC_XCVR_PID_QSFP_100G_DR4:
217 		ethtool_link_ksettings_add_link_mode(ks, supported,
218 						     100000baseLR4_ER4_Full);
219 		break;
220 	case IONIC_XCVR_PID_QSFP_40GBASE_SR4:
221 	case IONIC_XCVR_PID_QSFP_40GBASE_AOC:
222 		ethtool_link_ksettings_add_link_mode(ks, supported,
223 						     40000baseSR4_Full);
224 		break;
225 	case IONIC_XCVR_PID_QSFP_40GBASE_LR4:
226 		ethtool_link_ksettings_add_link_mode(ks, supported,
227 						     40000baseLR4_Full);
228 		break;
229 	case IONIC_XCVR_PID_SFP_25GBASE_SR:
230 	case IONIC_XCVR_PID_SFP_25GBASE_AOC:
231 	case IONIC_XCVR_PID_SFP_25GBASE_ACC:
232 		ethtool_link_ksettings_add_link_mode(ks, supported,
233 						     25000baseSR_Full);
234 		break;
235 	case IONIC_XCVR_PID_QSFP_200G_AOC:
236 	case IONIC_XCVR_PID_QSFP_200G_SR4:
237 	case IONIC_XCVR_PID_QSFP_200G_AEC:
238 		ethtool_link_ksettings_add_link_mode(ks, supported,
239 						     200000baseSR4_Full);
240 		break;
241 	case IONIC_XCVR_PID_QSFP_200G_FR4:
242 		ethtool_link_ksettings_add_link_mode(ks, supported,
243 						     200000baseLR4_ER4_FR4_Full);
244 		break;
245 	case IONIC_XCVR_PID_QSFP_200G_DR4:
246 		ethtool_link_ksettings_add_link_mode(ks, supported,
247 						     200000baseDR4_Full);
248 		break;
249 	case IONIC_XCVR_PID_QSFP_400G_FR4:
250 		ethtool_link_ksettings_add_link_mode(ks, supported,
251 						     400000baseLR4_ER4_FR4_Full);
252 		break;
253 	case IONIC_XCVR_PID_QSFP_400G_DR4:
254 		ethtool_link_ksettings_add_link_mode(ks, supported,
255 						     400000baseDR4_Full);
256 		break;
257 	case IONIC_XCVR_PID_QSFP_400G_SR4:
258 	case IONIC_XCVR_PID_QSFP_400G_AOC:
259 	case IONIC_XCVR_PID_QSFP_400G_AEC:
260 	case IONIC_XCVR_PID_QSFP_400G_LPO:
261 		ethtool_link_ksettings_add_link_mode(ks, supported,
262 						     400000baseSR4_Full);
263 		break;
264 	case IONIC_XCVR_PID_SFP_10GBASE_SR:
265 		ethtool_link_ksettings_add_link_mode(ks, supported,
266 						     10000baseSR_Full);
267 		break;
268 	case IONIC_XCVR_PID_SFP_10GBASE_LR:
269 		ethtool_link_ksettings_add_link_mode(ks, supported,
270 						     10000baseLR_Full);
271 		break;
272 	case IONIC_XCVR_PID_SFP_10GBASE_LRM:
273 		ethtool_link_ksettings_add_link_mode(ks, supported,
274 						     10000baseLRM_Full);
275 		break;
276 	case IONIC_XCVR_PID_SFP_10GBASE_ER:
277 		ethtool_link_ksettings_add_link_mode(ks, supported,
278 						     10000baseER_Full);
279 		break;
280 	case IONIC_XCVR_PID_SFP_10GBASE_T:
281 		ethtool_link_ksettings_add_link_mode(ks, supported,
282 						     10000baseT_Full);
283 		break;
284 	case IONIC_XCVR_PID_SFP_1000BASE_T:
285 		ethtool_link_ksettings_add_link_mode(ks, supported,
286 						     1000baseT_Full);
287 		break;
288 	case IONIC_XCVR_PID_UNKNOWN:
289 		/* This means there's no module plugged in */
290 		break;
291 	default:
292 		dev_dbg_ratelimited(lif->ionic->dev,
293 				    "unknown xcvr type pid=%d / 0x%x\n",
294 				    idev->port_info->status.xcvr.pid,
295 				    idev->port_info->status.xcvr.pid);
296 		break;
297 	}
298 
299 	linkmode_copy(ks->link_modes.advertising, ks->link_modes.supported);
300 
301 	ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
302 	ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
303 	if (idev->port_info->config.fec_type == IONIC_PORT_FEC_TYPE_FC)
304 		ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_BASER);
305 	else if (idev->port_info->config.fec_type == IONIC_PORT_FEC_TYPE_RS)
306 		ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
307 
308 	ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
309 	ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
310 
311 	if (idev->port_info->status.xcvr.phy == IONIC_PHY_TYPE_COPPER ||
312 	    copper_seen)
313 		ks->base.port = PORT_DA;
314 	else if (idev->port_info->status.xcvr.phy == IONIC_PHY_TYPE_FIBER)
315 		ks->base.port = PORT_FIBRE;
316 	else
317 		ks->base.port = PORT_NONE;
318 
319 	if (ks->base.port != PORT_NONE) {
320 		ks->base.speed = le32_to_cpu(lif->info->status.link_speed);
321 
322 		if (le16_to_cpu(lif->info->status.link_status))
323 			ks->base.duplex = DUPLEX_FULL;
324 		else
325 			ks->base.duplex = DUPLEX_UNKNOWN;
326 
327 		ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
328 
329 		if (idev->port_info->config.an_enable) {
330 			ethtool_link_ksettings_add_link_mode(ks, advertising,
331 							     Autoneg);
332 			ks->base.autoneg = AUTONEG_ENABLE;
333 		}
334 	}
335 
336 	return 0;
337 }
338 
339 static int ionic_set_link_ksettings(struct net_device *netdev,
340 				    const struct ethtool_link_ksettings *ks)
341 {
342 	struct ionic_lif *lif = netdev_priv(netdev);
343 	struct ionic_dev *idev = &lif->ionic->idev;
344 	struct ionic *ionic = lif->ionic;
345 	int err = 0;
346 
347 	if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
348 		return -EBUSY;
349 
350 	/* set autoneg */
351 	if (ks->base.autoneg != idev->port_info->config.an_enable) {
352 		mutex_lock(&ionic->dev_cmd_lock);
353 		ionic_dev_cmd_port_autoneg(idev, ks->base.autoneg);
354 		err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
355 		mutex_unlock(&ionic->dev_cmd_lock);
356 		if (err)
357 			return err;
358 	}
359 
360 	/* set speed */
361 	if (ks->base.speed != le32_to_cpu(idev->port_info->config.speed)) {
362 		mutex_lock(&ionic->dev_cmd_lock);
363 		ionic_dev_cmd_port_speed(idev, ks->base.speed);
364 		err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
365 		mutex_unlock(&ionic->dev_cmd_lock);
366 		if (err)
367 			return err;
368 	}
369 
370 	return 0;
371 }
372 
373 static void ionic_get_pauseparam(struct net_device *netdev,
374 				 struct ethtool_pauseparam *pause)
375 {
376 	struct ionic_lif *lif = netdev_priv(netdev);
377 	u8 pause_type;
378 
379 	pause->autoneg = 0;
380 
381 	pause_type = lif->ionic->idev.port_info->config.pause_type;
382 	if (pause_type) {
383 		pause->rx_pause = (pause_type & IONIC_PAUSE_F_RX) ? 1 : 0;
384 		pause->tx_pause = (pause_type & IONIC_PAUSE_F_TX) ? 1 : 0;
385 	}
386 }
387 
388 static int ionic_set_pauseparam(struct net_device *netdev,
389 				struct ethtool_pauseparam *pause)
390 {
391 	struct ionic_lif *lif = netdev_priv(netdev);
392 	struct ionic *ionic = lif->ionic;
393 	u32 requested_pause;
394 	int err;
395 
396 	if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
397 		return -EBUSY;
398 
399 	if (pause->autoneg)
400 		return -EOPNOTSUPP;
401 
402 	/* change both at the same time */
403 	requested_pause = IONIC_PORT_PAUSE_TYPE_LINK;
404 	if (pause->rx_pause)
405 		requested_pause |= IONIC_PAUSE_F_RX;
406 	if (pause->tx_pause)
407 		requested_pause |= IONIC_PAUSE_F_TX;
408 
409 	if (requested_pause == lif->ionic->idev.port_info->config.pause_type)
410 		return 0;
411 
412 	mutex_lock(&ionic->dev_cmd_lock);
413 	ionic_dev_cmd_port_pause(&lif->ionic->idev, requested_pause);
414 	err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
415 	mutex_unlock(&ionic->dev_cmd_lock);
416 	if (err)
417 		return err;
418 
419 	return 0;
420 }
421 
422 static int ionic_get_fecparam(struct net_device *netdev,
423 			      struct ethtool_fecparam *fec)
424 {
425 	struct ionic_lif *lif = netdev_priv(netdev);
426 
427 	switch (lif->ionic->idev.port_info->config.fec_type) {
428 	case IONIC_PORT_FEC_TYPE_NONE:
429 		fec->active_fec = ETHTOOL_FEC_OFF;
430 		break;
431 	case IONIC_PORT_FEC_TYPE_RS:
432 		fec->active_fec = ETHTOOL_FEC_RS;
433 		break;
434 	case IONIC_PORT_FEC_TYPE_FC:
435 		fec->active_fec = ETHTOOL_FEC_BASER;
436 		break;
437 	}
438 
439 	fec->fec = ETHTOOL_FEC_OFF | ETHTOOL_FEC_RS | ETHTOOL_FEC_BASER;
440 
441 	return 0;
442 }
443 
444 static int ionic_set_fecparam(struct net_device *netdev,
445 			      struct ethtool_fecparam *fec)
446 {
447 	struct ionic_lif *lif = netdev_priv(netdev);
448 	u8 fec_type;
449 	int ret = 0;
450 
451 	if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
452 		return -EBUSY;
453 
454 	if (lif->ionic->idev.port_info->config.an_enable) {
455 		netdev_err(netdev, "FEC request not allowed while autoneg is enabled\n");
456 		return -EINVAL;
457 	}
458 
459 	switch (fec->fec) {
460 	case ETHTOOL_FEC_NONE:
461 		fec_type = IONIC_PORT_FEC_TYPE_NONE;
462 		break;
463 	case ETHTOOL_FEC_OFF:
464 		fec_type = IONIC_PORT_FEC_TYPE_NONE;
465 		break;
466 	case ETHTOOL_FEC_RS:
467 		fec_type = IONIC_PORT_FEC_TYPE_RS;
468 		break;
469 	case ETHTOOL_FEC_BASER:
470 		fec_type = IONIC_PORT_FEC_TYPE_FC;
471 		break;
472 	case ETHTOOL_FEC_AUTO:
473 	default:
474 		netdev_err(netdev, "FEC request 0x%04x not supported\n",
475 			   fec->fec);
476 		return -EINVAL;
477 	}
478 
479 	if (fec_type != lif->ionic->idev.port_info->config.fec_type) {
480 		mutex_lock(&lif->ionic->dev_cmd_lock);
481 		ionic_dev_cmd_port_fec(&lif->ionic->idev, fec_type);
482 		ret = ionic_dev_cmd_wait(lif->ionic, DEVCMD_TIMEOUT);
483 		mutex_unlock(&lif->ionic->dev_cmd_lock);
484 	}
485 
486 	return ret;
487 }
488 
489 static int ionic_get_coalesce(struct net_device *netdev,
490 			      struct ethtool_coalesce *coalesce,
491 			      struct kernel_ethtool_coalesce *kernel_coal,
492 			      struct netlink_ext_ack *extack)
493 {
494 	struct ionic_lif *lif = netdev_priv(netdev);
495 
496 	coalesce->tx_coalesce_usecs = lif->tx_coalesce_usecs;
497 	coalesce->rx_coalesce_usecs = lif->rx_coalesce_usecs;
498 
499 	if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state))
500 		coalesce->use_adaptive_tx_coalesce = test_bit(IONIC_LIF_F_TX_DIM_INTR, lif->state);
501 	else
502 		coalesce->use_adaptive_tx_coalesce = 0;
503 
504 	coalesce->use_adaptive_rx_coalesce = test_bit(IONIC_LIF_F_RX_DIM_INTR, lif->state);
505 
506 	return 0;
507 }
508 
509 static int ionic_set_coalesce(struct net_device *netdev,
510 			      struct ethtool_coalesce *coalesce,
511 			      struct kernel_ethtool_coalesce *kernel_coal,
512 			      struct netlink_ext_ack *extack)
513 {
514 	struct ionic_lif *lif = netdev_priv(netdev);
515 	struct ionic_identity *ident;
516 	u32 rx_coal, rx_dim;
517 	u32 tx_coal, tx_dim;
518 	unsigned int i;
519 
520 	ident = &lif->ionic->ident;
521 	if (ident->dev.intr_coal_div == 0) {
522 		netdev_warn(netdev, "bad HW value in dev.intr_coal_div = %d\n",
523 			    ident->dev.intr_coal_div);
524 		return -EIO;
525 	}
526 
527 	/* Tx normally shares Rx interrupt, so only change Rx if not split */
528 	if (!test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state) &&
529 	    (coalesce->tx_coalesce_usecs != lif->rx_coalesce_usecs ||
530 	     coalesce->use_adaptive_tx_coalesce)) {
531 		netdev_warn(netdev, "only rx parameters can be changed\n");
532 		return -EINVAL;
533 	}
534 
535 	/* Convert the usec request to a HW usable value.  If they asked
536 	 * for non-zero and it resolved to zero, bump it up
537 	 */
538 	rx_coal = ionic_coal_usec_to_hw(lif->ionic, coalesce->rx_coalesce_usecs);
539 	if (!rx_coal && coalesce->rx_coalesce_usecs)
540 		rx_coal = 1;
541 	tx_coal = ionic_coal_usec_to_hw(lif->ionic, coalesce->tx_coalesce_usecs);
542 	if (!tx_coal && coalesce->tx_coalesce_usecs)
543 		tx_coal = 1;
544 
545 	if (rx_coal > IONIC_INTR_CTRL_COAL_MAX ||
546 	    tx_coal > IONIC_INTR_CTRL_COAL_MAX)
547 		return -ERANGE;
548 
549 	/* Save the new values */
550 	lif->rx_coalesce_usecs = coalesce->rx_coalesce_usecs;
551 	lif->rx_coalesce_hw = rx_coal;
552 
553 	if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state))
554 		lif->tx_coalesce_usecs = coalesce->tx_coalesce_usecs;
555 	else
556 		lif->tx_coalesce_usecs = coalesce->rx_coalesce_usecs;
557 	lif->tx_coalesce_hw = tx_coal;
558 
559 	if (coalesce->use_adaptive_rx_coalesce) {
560 		set_bit(IONIC_LIF_F_RX_DIM_INTR, lif->state);
561 		rx_dim = rx_coal;
562 	} else {
563 		clear_bit(IONIC_LIF_F_RX_DIM_INTR, lif->state);
564 		rx_dim = 0;
565 	}
566 
567 	if (coalesce->use_adaptive_tx_coalesce) {
568 		set_bit(IONIC_LIF_F_TX_DIM_INTR, lif->state);
569 		tx_dim = tx_coal;
570 	} else {
571 		clear_bit(IONIC_LIF_F_TX_DIM_INTR, lif->state);
572 		tx_dim = 0;
573 	}
574 
575 	if (test_bit(IONIC_LIF_F_UP, lif->state)) {
576 		for (i = 0; i < lif->nxqs; i++) {
577 			if (lif->rxqcqs[i]->flags & IONIC_QCQ_F_INTR) {
578 				ionic_intr_coal_init(lif->ionic->idev.intr_ctrl,
579 						     lif->rxqcqs[i]->intr.index,
580 						     lif->rx_coalesce_hw);
581 				lif->rxqcqs[i]->intr.dim_coal_hw = rx_dim;
582 			}
583 
584 			if (lif->txqcqs[i]->flags & IONIC_QCQ_F_INTR) {
585 				ionic_intr_coal_init(lif->ionic->idev.intr_ctrl,
586 						     lif->txqcqs[i]->intr.index,
587 						     lif->tx_coalesce_hw);
588 				lif->txqcqs[i]->intr.dim_coal_hw = tx_dim;
589 			}
590 		}
591 	}
592 
593 	return 0;
594 }
595 
596 static int ionic_validate_cmb_config(struct ionic_lif *lif,
597 				     struct ionic_queue_params *qparam)
598 {
599 	int pages_have, pages_required = 0;
600 	unsigned long sz;
601 
602 	if (!lif->ionic->idev.cmb_inuse &&
603 	    (qparam->cmb_tx || qparam->cmb_rx)) {
604 		netdev_info(lif->netdev, "CMB rings are not supported on this device\n");
605 		return -EOPNOTSUPP;
606 	}
607 
608 	if (qparam->cmb_tx) {
609 		if (!(lif->qtype_info[IONIC_QTYPE_TXQ].features & IONIC_QIDENT_F_CMB)) {
610 			netdev_info(lif->netdev,
611 				    "CMB rings for tx-push are not supported on this device\n");
612 			return -EOPNOTSUPP;
613 		}
614 
615 		sz = sizeof(struct ionic_txq_desc) * qparam->ntxq_descs * qparam->nxqs;
616 		pages_required += ALIGN(sz, PAGE_SIZE) / PAGE_SIZE;
617 	}
618 
619 	if (qparam->cmb_rx) {
620 		if (!(lif->qtype_info[IONIC_QTYPE_RXQ].features & IONIC_QIDENT_F_CMB)) {
621 			netdev_info(lif->netdev,
622 				    "CMB rings for rx-push are not supported on this device\n");
623 			return -EOPNOTSUPP;
624 		}
625 
626 		sz = sizeof(struct ionic_rxq_desc) * qparam->nrxq_descs * qparam->nxqs;
627 		pages_required += ALIGN(sz, PAGE_SIZE) / PAGE_SIZE;
628 	}
629 
630 	pages_have = lif->ionic->bars[IONIC_PCI_BAR_CMB].len / PAGE_SIZE;
631 	if (pages_required > pages_have) {
632 		netdev_info(lif->netdev,
633 			    "Not enough CMB pages for number of queues and size of descriptor rings, need %d have %d",
634 			    pages_required, pages_have);
635 		return -ENOMEM;
636 	}
637 
638 	return pages_required;
639 }
640 
641 static int ionic_cmb_rings_toggle(struct ionic_lif *lif, bool cmb_tx, bool cmb_rx)
642 {
643 	struct ionic_queue_params qparam;
644 	int pages_used;
645 
646 	if (netif_running(lif->netdev)) {
647 		netdev_info(lif->netdev, "Please stop device to toggle CMB for tx/rx-push\n");
648 		return -EBUSY;
649 	}
650 
651 	ionic_init_queue_params(lif, &qparam);
652 	qparam.cmb_tx = cmb_tx;
653 	qparam.cmb_rx = cmb_rx;
654 	pages_used = ionic_validate_cmb_config(lif, &qparam);
655 	if (pages_used < 0)
656 		return pages_used;
657 
658 	assign_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state, cmb_tx);
659 
660 	assign_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state, cmb_rx);
661 
662 	if (cmb_tx || cmb_rx)
663 		netdev_info(lif->netdev, "Enabling CMB %s %s rings - %d pages\n",
664 			    cmb_tx ? "TX" : "", cmb_rx ? "RX" : "", pages_used);
665 	else
666 		netdev_info(lif->netdev, "Disabling CMB rings\n");
667 
668 	return 0;
669 }
670 
671 static void ionic_get_ringparam(struct net_device *netdev,
672 				struct ethtool_ringparam *ring,
673 				struct kernel_ethtool_ringparam *kernel_ring,
674 				struct netlink_ext_ack *extack)
675 {
676 	struct ionic_lif *lif = netdev_priv(netdev);
677 
678 	ring->tx_max_pending = IONIC_MAX_TX_DESC;
679 	ring->tx_pending = lif->ntxq_descs;
680 	ring->rx_max_pending = IONIC_MAX_RX_DESC;
681 	ring->rx_pending = lif->nrxq_descs;
682 	kernel_ring->tx_push = test_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state);
683 	kernel_ring->rx_push = test_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state);
684 }
685 
686 static int ionic_set_ringparam(struct net_device *netdev,
687 			       struct ethtool_ringparam *ring,
688 			       struct kernel_ethtool_ringparam *kernel_ring,
689 			       struct netlink_ext_ack *extack)
690 {
691 	struct ionic_lif *lif = netdev_priv(netdev);
692 	struct ionic_queue_params qparam;
693 	int err;
694 
695 	if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
696 		return -EBUSY;
697 
698 	ionic_init_queue_params(lif, &qparam);
699 
700 	if (ring->rx_mini_pending || ring->rx_jumbo_pending) {
701 		netdev_info(netdev, "Changing jumbo or mini descriptors not supported\n");
702 		return -EINVAL;
703 	}
704 
705 	if (!is_power_of_2(ring->tx_pending) ||
706 	    !is_power_of_2(ring->rx_pending)) {
707 		netdev_info(netdev, "Descriptor count must be a power of 2\n");
708 		return -EINVAL;
709 	}
710 
711 	/* if nothing to do return success */
712 	if (ring->tx_pending == lif->ntxq_descs &&
713 	    ring->rx_pending == lif->nrxq_descs &&
714 	    kernel_ring->tx_push == test_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state) &&
715 	    kernel_ring->rx_push == test_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state))
716 		return 0;
717 
718 	qparam.ntxq_descs = ring->tx_pending;
719 	qparam.nrxq_descs = ring->rx_pending;
720 	qparam.cmb_tx = kernel_ring->tx_push;
721 	qparam.cmb_rx = kernel_ring->rx_push;
722 
723 	err = ionic_validate_cmb_config(lif, &qparam);
724 	if (err < 0)
725 		return err;
726 
727 	if (kernel_ring->tx_push != test_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state) ||
728 	    kernel_ring->rx_push != test_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state)) {
729 		err = ionic_cmb_rings_toggle(lif, kernel_ring->tx_push,
730 					     kernel_ring->rx_push);
731 		if (err < 0)
732 			return err;
733 	}
734 
735 	if (ring->tx_pending != lif->ntxq_descs)
736 		netdev_info(netdev, "Changing Tx ring size from %d to %d\n",
737 			    lif->ntxq_descs, ring->tx_pending);
738 
739 	if (ring->rx_pending != lif->nrxq_descs)
740 		netdev_info(netdev, "Changing Rx ring size from %d to %d\n",
741 			    lif->nrxq_descs, ring->rx_pending);
742 
743 	/* if we're not running, just set the values and return */
744 	if (!netif_running(lif->netdev)) {
745 		lif->ntxq_descs = ring->tx_pending;
746 		lif->nrxq_descs = ring->rx_pending;
747 		return 0;
748 	}
749 
750 	mutex_lock(&lif->queue_lock);
751 	err = ionic_reconfigure_queues(lif, &qparam);
752 	mutex_unlock(&lif->queue_lock);
753 	if (err)
754 		netdev_info(netdev, "Ring reconfiguration failed, changes canceled: %d\n", err);
755 
756 	return err;
757 }
758 
759 static void ionic_get_channels(struct net_device *netdev,
760 			       struct ethtool_channels *ch)
761 {
762 	struct ionic_lif *lif = netdev_priv(netdev);
763 
764 	/* report maximum channels */
765 	ch->max_combined = lif->ionic->ntxqs_per_lif;
766 	ch->max_rx = lif->ionic->ntxqs_per_lif / 2;
767 	ch->max_tx = lif->ionic->ntxqs_per_lif / 2;
768 
769 	/* report current channels */
770 	if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state)) {
771 		ch->rx_count = lif->nxqs;
772 		ch->tx_count = lif->nxqs;
773 	} else {
774 		ch->combined_count = lif->nxqs;
775 	}
776 }
777 
778 static int ionic_set_channels(struct net_device *netdev,
779 			      struct ethtool_channels *ch)
780 {
781 	struct ionic_lif *lif = netdev_priv(netdev);
782 	struct ionic_queue_params qparam;
783 	int max_cnt;
784 	int err;
785 
786 	if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
787 		return -EBUSY;
788 
789 	ionic_init_queue_params(lif, &qparam);
790 
791 	if ((ch->rx_count || ch->tx_count) && lif->xdp_prog) {
792 		netdev_info(lif->netdev, "Split Tx/Rx interrupts not available when using XDP\n");
793 		return -EOPNOTSUPP;
794 	}
795 
796 	if (ch->rx_count != ch->tx_count) {
797 		netdev_info(netdev, "The rx and tx count must be equal\n");
798 		return -EINVAL;
799 	}
800 
801 	if (ch->combined_count && ch->rx_count) {
802 		netdev_info(netdev, "Use either combined or rx and tx, not both\n");
803 		return -EINVAL;
804 	}
805 
806 	max_cnt = lif->ionic->ntxqs_per_lif;
807 	if (ch->combined_count) {
808 		if (ch->combined_count > max_cnt)
809 			return -EINVAL;
810 
811 		if (test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state))
812 			netdev_info(lif->netdev, "Sharing queue interrupts\n");
813 		else if (ch->combined_count == lif->nxqs)
814 			return 0;
815 
816 		if (lif->nxqs != ch->combined_count)
817 			netdev_info(netdev, "Changing queue count from %d to %d\n",
818 				    lif->nxqs, ch->combined_count);
819 
820 		qparam.nxqs = ch->combined_count;
821 		qparam.intr_split = false;
822 	} else {
823 		max_cnt /= 2;
824 		if (ch->rx_count > max_cnt)
825 			return -EINVAL;
826 
827 		if (!test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state))
828 			netdev_info(lif->netdev, "Splitting queue interrupts\n");
829 		else if (ch->rx_count == lif->nxqs)
830 			return 0;
831 
832 		if (lif->nxqs != ch->rx_count)
833 			netdev_info(netdev, "Changing queue count from %d to %d\n",
834 				    lif->nxqs, ch->rx_count);
835 
836 		qparam.nxqs = ch->rx_count;
837 		qparam.intr_split = true;
838 	}
839 
840 	err = ionic_validate_cmb_config(lif, &qparam);
841 	if (err < 0)
842 		return err;
843 
844 	/* if we're not running, just set the values and return */
845 	if (!netif_running(lif->netdev)) {
846 		lif->nxqs = qparam.nxqs;
847 
848 		if (qparam.intr_split) {
849 			set_bit(IONIC_LIF_F_SPLIT_INTR, lif->state);
850 		} else {
851 			clear_bit(IONIC_LIF_F_SPLIT_INTR, lif->state);
852 			lif->tx_coalesce_usecs = lif->rx_coalesce_usecs;
853 			lif->tx_coalesce_hw = lif->rx_coalesce_hw;
854 		}
855 		return 0;
856 	}
857 
858 	mutex_lock(&lif->queue_lock);
859 	err = ionic_reconfigure_queues(lif, &qparam);
860 	mutex_unlock(&lif->queue_lock);
861 	if (err)
862 		netdev_info(netdev, "Queue reconfiguration failed, changes canceled: %d\n", err);
863 
864 	return err;
865 }
866 
867 static u32 ionic_get_rx_ring_count(struct net_device *netdev)
868 {
869 	struct ionic_lif *lif = netdev_priv(netdev);
870 
871 	return lif->nxqs;
872 }
873 
874 static u32 ionic_get_rxfh_indir_size(struct net_device *netdev)
875 {
876 	struct ionic_lif *lif = netdev_priv(netdev);
877 
878 	return le16_to_cpu(lif->ionic->ident.lif.eth.rss_ind_tbl_sz);
879 }
880 
881 static u32 ionic_get_rxfh_key_size(struct net_device *netdev)
882 {
883 	return IONIC_RSS_HASH_KEY_SIZE;
884 }
885 
886 static int ionic_get_rxfh(struct net_device *netdev,
887 			  struct ethtool_rxfh_param *rxfh)
888 {
889 	struct ionic_lif *lif = netdev_priv(netdev);
890 	unsigned int i, tbl_sz;
891 
892 	if (rxfh->indir) {
893 		tbl_sz = le16_to_cpu(lif->ionic->ident.lif.eth.rss_ind_tbl_sz);
894 		for (i = 0; i < tbl_sz; i++)
895 			rxfh->indir[i] = lif->rss_ind_tbl[i];
896 	}
897 
898 	if (rxfh->key)
899 		memcpy(rxfh->key, lif->rss_hash_key, IONIC_RSS_HASH_KEY_SIZE);
900 
901 	rxfh->hfunc = ETH_RSS_HASH_TOP;
902 
903 	return 0;
904 }
905 
906 static int ionic_set_rxfh(struct net_device *netdev,
907 			  struct ethtool_rxfh_param *rxfh,
908 			  struct netlink_ext_ack *extack)
909 {
910 	struct ionic_lif *lif = netdev_priv(netdev);
911 
912 	if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
913 	    rxfh->hfunc != ETH_RSS_HASH_TOP)
914 		return -EOPNOTSUPP;
915 
916 	return ionic_lif_rss_config(lif, lif->rss_types,
917 				    rxfh->key, rxfh->indir);
918 }
919 
920 static int ionic_set_tunable(struct net_device *dev,
921 			     const struct ethtool_tunable *tuna,
922 			     const void *data)
923 {
924 	struct ionic_lif *lif = netdev_priv(dev);
925 	u32 rx_copybreak;
926 
927 	switch (tuna->id) {
928 	case ETHTOOL_RX_COPYBREAK:
929 		rx_copybreak = *(u32 *)data;
930 		if (rx_copybreak > IONIC_MAX_RX_COPYBREAK) {
931 			netdev_err(dev, "Max supported rx_copybreak size: %u\n",
932 				   IONIC_MAX_RX_COPYBREAK);
933 			return -EINVAL;
934 		}
935 		lif->rx_copybreak = (u16)rx_copybreak;
936 		break;
937 	default:
938 		return -EOPNOTSUPP;
939 	}
940 
941 	return 0;
942 }
943 
944 static int ionic_get_tunable(struct net_device *netdev,
945 			     const struct ethtool_tunable *tuna, void *data)
946 {
947 	struct ionic_lif *lif = netdev_priv(netdev);
948 
949 	switch (tuna->id) {
950 	case ETHTOOL_RX_COPYBREAK:
951 		*(u32 *)data = lif->rx_copybreak;
952 		break;
953 	default:
954 		return -EOPNOTSUPP;
955 	}
956 
957 	return 0;
958 }
959 
960 static int ionic_do_module_copy(u8 *dst, u8 *src, u32 len)
961 {
962 	char tbuf[sizeof_field(struct ionic_xcvr_status, sprom)];
963 	int count = 10;
964 
965 	/* The NIC keeps the module prom up-to-date in the DMA space
966 	 * so we can simply copy the module bytes into the data buffer.
967 	 */
968 	do {
969 		memcpy(dst, src, len);
970 		memcpy(tbuf, src, len);
971 
972 		/* Let's make sure we got a consistent copy */
973 		if (!memcmp(dst, tbuf, len))
974 			break;
975 
976 	} while (--count);
977 
978 	if (!count)
979 		return -ETIMEDOUT;
980 
981 	return 0;
982 }
983 
984 static int ionic_get_module_eeprom_by_page(struct net_device *netdev,
985 					   const struct ethtool_module_eeprom *page_data,
986 					   struct netlink_ext_ack *extack)
987 {
988 	struct ionic_lif *lif = netdev_priv(netdev);
989 	struct ionic_dev *idev = &lif->ionic->idev;
990 	int err;
991 	u8 *src;
992 
993 	if (!page_data->length)
994 		return -EINVAL;
995 
996 	if (page_data->bank != 0) {
997 		NL_SET_ERR_MSG_MOD(extack, "Only bank 0 is supported");
998 		return -EINVAL;
999 	}
1000 
1001 	switch (page_data->page) {
1002 	case 0:
1003 		src = &idev->port_info->status.xcvr.sprom[page_data->offset];
1004 		break;
1005 	case 1:
1006 		src = &idev->port_info->sprom_page1[page_data->offset - 128];
1007 		break;
1008 	case 2:
1009 		src = &idev->port_info->sprom_page2[page_data->offset - 128];
1010 		break;
1011 	case 17:
1012 		src = &idev->port_info->sprom_page17[page_data->offset - 128];
1013 		break;
1014 	default:
1015 		return -EOPNOTSUPP;
1016 	}
1017 
1018 	memset(page_data->data, 0, page_data->length);
1019 	err = ionic_do_module_copy(page_data->data, src, page_data->length);
1020 	if (err)
1021 		return err;
1022 
1023 	return page_data->length;
1024 }
1025 
1026 static int ionic_get_ts_info(struct net_device *netdev,
1027 			     struct kernel_ethtool_ts_info *info)
1028 {
1029 	struct ionic_lif *lif = netdev_priv(netdev);
1030 	struct ionic *ionic = lif->ionic;
1031 	__le64 mask;
1032 
1033 	if (!lif->phc || !lif->phc->ptp)
1034 		return ethtool_op_get_ts_info(netdev, info);
1035 
1036 	info->phc_index = ptp_clock_index(lif->phc->ptp);
1037 
1038 	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE;
1039 
1040 	if (!(lif->hw_features & IONIC_ETH_HW_TIMESTAMP))
1041 		return 0;
1042 
1043 	info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
1044 				 SOF_TIMESTAMPING_RX_HARDWARE |
1045 				 SOF_TIMESTAMPING_RAW_HARDWARE;
1046 
1047 	/* tx modes */
1048 
1049 	info->tx_types = BIT(HWTSTAMP_TX_OFF) |
1050 			 BIT(HWTSTAMP_TX_ON);
1051 
1052 	mask = cpu_to_le64(BIT_ULL(IONIC_TXSTAMP_ONESTEP_SYNC));
1053 	if (ionic->ident.lif.eth.hwstamp_tx_modes & mask)
1054 		info->tx_types |= BIT(HWTSTAMP_TX_ONESTEP_SYNC);
1055 
1056 	mask = cpu_to_le64(BIT_ULL(IONIC_TXSTAMP_ONESTEP_P2P));
1057 	if (ionic->ident.lif.eth.hwstamp_tx_modes & mask)
1058 		info->tx_types |= BIT(HWTSTAMP_TX_ONESTEP_P2P);
1059 
1060 	/* rx filters */
1061 
1062 	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1063 			   BIT(HWTSTAMP_FILTER_ALL);
1064 
1065 	mask = cpu_to_le64(IONIC_PKT_CLS_NTP_ALL);
1066 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1067 		info->rx_filters |= BIT(HWTSTAMP_FILTER_NTP_ALL);
1068 
1069 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP1_SYNC);
1070 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1071 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC);
1072 
1073 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP1_DREQ);
1074 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1075 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ);
1076 
1077 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP1_ALL);
1078 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1079 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT);
1080 
1081 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_L4_SYNC);
1082 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1083 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC);
1084 
1085 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_L4_DREQ);
1086 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1087 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
1088 
1089 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_L4_ALL);
1090 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1091 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
1092 
1093 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_L2_SYNC);
1094 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1095 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC);
1096 
1097 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_L2_DREQ);
1098 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1099 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ);
1100 
1101 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_L2_ALL);
1102 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1103 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT);
1104 
1105 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_SYNC);
1106 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1107 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_SYNC);
1108 
1109 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_DREQ);
1110 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1111 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ);
1112 
1113 	mask = cpu_to_le64(IONIC_PKT_CLS_PTP2_ALL);
1114 	if ((ionic->ident.lif.eth.hwstamp_rx_filters & mask) == mask)
1115 		info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1116 
1117 	return 0;
1118 }
1119 
1120 static int ionic_nway_reset(struct net_device *netdev)
1121 {
1122 	struct ionic_lif *lif = netdev_priv(netdev);
1123 	struct ionic *ionic = lif->ionic;
1124 	int err = 0;
1125 
1126 	if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
1127 		return -EBUSY;
1128 
1129 	/* flap the link to force auto-negotiation */
1130 
1131 	mutex_lock(&ionic->dev_cmd_lock);
1132 
1133 	ionic_dev_cmd_port_state(&ionic->idev, IONIC_PORT_ADMIN_STATE_DOWN);
1134 	err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
1135 
1136 	if (!err) {
1137 		ionic_dev_cmd_port_state(&ionic->idev, IONIC_PORT_ADMIN_STATE_UP);
1138 		err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
1139 	}
1140 
1141 	mutex_unlock(&ionic->dev_cmd_lock);
1142 
1143 	return err;
1144 }
1145 
1146 static const struct ethtool_ops ionic_ethtool_ops = {
1147 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1148 				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX |
1149 				     ETHTOOL_COALESCE_USE_ADAPTIVE_TX,
1150 	.supported_ring_params = ETHTOOL_RING_USE_TX_PUSH |
1151 				 ETHTOOL_RING_USE_RX_PUSH,
1152 	.get_drvinfo		= ionic_get_drvinfo,
1153 	.get_regs_len		= ionic_get_regs_len,
1154 	.get_regs		= ionic_get_regs,
1155 	.get_link		= ethtool_op_get_link,
1156 	.get_link_ext_stats	= ionic_get_link_ext_stats,
1157 	.get_link_ksettings	= ionic_get_link_ksettings,
1158 	.set_link_ksettings	= ionic_set_link_ksettings,
1159 	.get_coalesce		= ionic_get_coalesce,
1160 	.set_coalesce		= ionic_set_coalesce,
1161 	.get_ringparam		= ionic_get_ringparam,
1162 	.set_ringparam		= ionic_set_ringparam,
1163 	.get_channels		= ionic_get_channels,
1164 	.set_channels		= ionic_set_channels,
1165 	.get_strings		= ionic_get_strings,
1166 	.get_ethtool_stats	= ionic_get_stats,
1167 	.get_sset_count		= ionic_get_sset_count,
1168 	.get_rx_ring_count	= ionic_get_rx_ring_count,
1169 	.get_rxfh_indir_size	= ionic_get_rxfh_indir_size,
1170 	.get_rxfh_key_size	= ionic_get_rxfh_key_size,
1171 	.get_rxfh		= ionic_get_rxfh,
1172 	.set_rxfh		= ionic_set_rxfh,
1173 	.get_tunable		= ionic_get_tunable,
1174 	.set_tunable		= ionic_set_tunable,
1175 	.get_module_eeprom_by_page	= ionic_get_module_eeprom_by_page,
1176 	.get_pauseparam		= ionic_get_pauseparam,
1177 	.set_pauseparam		= ionic_set_pauseparam,
1178 	.get_fecparam		= ionic_get_fecparam,
1179 	.set_fecparam		= ionic_set_fecparam,
1180 	.get_ts_info		= ionic_get_ts_info,
1181 	.nway_reset		= ionic_nway_reset,
1182 };
1183 
1184 void ionic_ethtool_set_ops(struct net_device *netdev)
1185 {
1186 	netdev->ethtool_ops = &ionic_ethtool_ops;
1187 }
1188