xref: /openbmc/linux/drivers/net/ethernet/sfc/ethtool.c (revision 15e3ae36)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /****************************************************************************
3  * Driver for Solarflare network controllers and boards
4  * Copyright 2005-2006 Fen Systems Ltd.
5  * Copyright 2006-2013 Solarflare Communications Inc.
6  */
7 
8 #include <linux/netdevice.h>
9 #include <linux/ethtool.h>
10 #include <linux/rtnetlink.h>
11 #include <linux/in.h>
12 #include "net_driver.h"
13 #include "workarounds.h"
14 #include "selftest.h"
15 #include "efx.h"
16 #include "efx_channels.h"
17 #include "rx_common.h"
18 #include "tx_common.h"
19 #include "ethtool_common.h"
20 #include "filter.h"
21 #include "nic.h"
22 
23 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
24 
25 /**************************************************************************
26  *
27  * Ethtool operations
28  *
29  **************************************************************************
30  */
31 
32 /* Identify device by flashing LEDs */
33 static int efx_ethtool_phys_id(struct net_device *net_dev,
34 			       enum ethtool_phys_id_state state)
35 {
36 	struct efx_nic *efx = netdev_priv(net_dev);
37 	enum efx_led_mode mode = EFX_LED_DEFAULT;
38 
39 	switch (state) {
40 	case ETHTOOL_ID_ON:
41 		mode = EFX_LED_ON;
42 		break;
43 	case ETHTOOL_ID_OFF:
44 		mode = EFX_LED_OFF;
45 		break;
46 	case ETHTOOL_ID_INACTIVE:
47 		mode = EFX_LED_DEFAULT;
48 		break;
49 	case ETHTOOL_ID_ACTIVE:
50 		return 1;	/* cycle on/off once per second */
51 	}
52 
53 	efx->type->set_id_led(efx, mode);
54 	return 0;
55 }
56 
57 /* This must be called with rtnl_lock held. */
58 static int
59 efx_ethtool_get_link_ksettings(struct net_device *net_dev,
60 			       struct ethtool_link_ksettings *cmd)
61 {
62 	struct efx_nic *efx = netdev_priv(net_dev);
63 	struct efx_link_state *link_state = &efx->link_state;
64 	u32 supported;
65 
66 	mutex_lock(&efx->mac_lock);
67 	efx->phy_op->get_link_ksettings(efx, cmd);
68 	mutex_unlock(&efx->mac_lock);
69 
70 	/* Both MACs support pause frames (bidirectional and respond-only) */
71 	ethtool_convert_link_mode_to_legacy_u32(&supported,
72 						cmd->link_modes.supported);
73 
74 	supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
75 
76 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
77 						supported);
78 
79 	if (LOOPBACK_INTERNAL(efx)) {
80 		cmd->base.speed = link_state->speed;
81 		cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
82 	}
83 
84 	return 0;
85 }
86 
87 /* This must be called with rtnl_lock held. */
88 static int
89 efx_ethtool_set_link_ksettings(struct net_device *net_dev,
90 			       const struct ethtool_link_ksettings *cmd)
91 {
92 	struct efx_nic *efx = netdev_priv(net_dev);
93 	int rc;
94 
95 	/* GMAC does not support 1000Mbps HD */
96 	if ((cmd->base.speed == SPEED_1000) &&
97 	    (cmd->base.duplex != DUPLEX_FULL)) {
98 		netif_dbg(efx, drv, efx->net_dev,
99 			  "rejecting unsupported 1000Mbps HD setting\n");
100 		return -EINVAL;
101 	}
102 
103 	mutex_lock(&efx->mac_lock);
104 	rc = efx->phy_op->set_link_ksettings(efx, cmd);
105 	mutex_unlock(&efx->mac_lock);
106 	return rc;
107 }
108 
109 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
110 {
111 	return efx_nic_get_regs_len(netdev_priv(net_dev));
112 }
113 
114 static void efx_ethtool_get_regs(struct net_device *net_dev,
115 				 struct ethtool_regs *regs, void *buf)
116 {
117 	struct efx_nic *efx = netdev_priv(net_dev);
118 
119 	regs->version = efx->type->revision;
120 	efx_nic_get_regs(efx, buf);
121 }
122 
123 static void efx_ethtool_self_test(struct net_device *net_dev,
124 				  struct ethtool_test *test, u64 *data)
125 {
126 	struct efx_nic *efx = netdev_priv(net_dev);
127 	struct efx_self_tests *efx_tests;
128 	bool already_up;
129 	int rc = -ENOMEM;
130 
131 	efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
132 	if (!efx_tests)
133 		goto fail;
134 
135 	if (efx->state != STATE_READY) {
136 		rc = -EBUSY;
137 		goto out;
138 	}
139 
140 	netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
141 		   (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
142 
143 	/* We need rx buffers and interrupts. */
144 	already_up = (efx->net_dev->flags & IFF_UP);
145 	if (!already_up) {
146 		rc = dev_open(efx->net_dev, NULL);
147 		if (rc) {
148 			netif_err(efx, drv, efx->net_dev,
149 				  "failed opening device.\n");
150 			goto out;
151 		}
152 	}
153 
154 	rc = efx_selftest(efx, efx_tests, test->flags);
155 
156 	if (!already_up)
157 		dev_close(efx->net_dev);
158 
159 	netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
160 		   rc == 0 ? "passed" : "failed",
161 		   (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
162 
163 out:
164 	efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
165 	kfree(efx_tests);
166 fail:
167 	if (rc)
168 		test->flags |= ETH_TEST_FL_FAILED;
169 }
170 
171 /* Restart autonegotiation */
172 static int efx_ethtool_nway_reset(struct net_device *net_dev)
173 {
174 	struct efx_nic *efx = netdev_priv(net_dev);
175 
176 	return mdio45_nway_restart(&efx->mdio);
177 }
178 
179 /*
180  * Each channel has a single IRQ and moderation timer, started by any
181  * completion (or other event).  Unless the module parameter
182  * separate_tx_channels is set, IRQs and moderation are therefore
183  * shared between RX and TX completions.  In this case, when RX IRQ
184  * moderation is explicitly changed then TX IRQ moderation is
185  * automatically changed too, but otherwise we fail if the two values
186  * are requested to be different.
187  *
188  * The hardware does not support a limit on the number of completions
189  * before an IRQ, so we do not use the max_frames fields.  We should
190  * report and require that max_frames == (usecs != 0), but this would
191  * invalidate existing user documentation.
192  *
193  * The hardware does not have distinct settings for interrupt
194  * moderation while the previous IRQ is being handled, so we should
195  * not use the 'irq' fields.  However, an earlier developer
196  * misunderstood the meaning of the 'irq' fields and the driver did
197  * not support the standard fields.  To avoid invalidating existing
198  * user documentation, we report and accept changes through either the
199  * standard or 'irq' fields.  If both are changed at the same time, we
200  * prefer the standard field.
201  *
202  * We implement adaptive IRQ moderation, but use a different algorithm
203  * from that assumed in the definition of struct ethtool_coalesce.
204  * Therefore we do not use any of the adaptive moderation parameters
205  * in it.
206  */
207 
208 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
209 				    struct ethtool_coalesce *coalesce)
210 {
211 	struct efx_nic *efx = netdev_priv(net_dev);
212 	unsigned int tx_usecs, rx_usecs;
213 	bool rx_adaptive;
214 
215 	efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive);
216 
217 	coalesce->tx_coalesce_usecs = tx_usecs;
218 	coalesce->tx_coalesce_usecs_irq = tx_usecs;
219 	coalesce->rx_coalesce_usecs = rx_usecs;
220 	coalesce->rx_coalesce_usecs_irq = rx_usecs;
221 	coalesce->use_adaptive_rx_coalesce = rx_adaptive;
222 
223 	return 0;
224 }
225 
226 static int efx_ethtool_set_coalesce(struct net_device *net_dev,
227 				    struct ethtool_coalesce *coalesce)
228 {
229 	struct efx_nic *efx = netdev_priv(net_dev);
230 	struct efx_channel *channel;
231 	unsigned int tx_usecs, rx_usecs;
232 	bool adaptive, rx_may_override_tx;
233 	int rc;
234 
235 	efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive);
236 
237 	if (coalesce->rx_coalesce_usecs != rx_usecs)
238 		rx_usecs = coalesce->rx_coalesce_usecs;
239 	else
240 		rx_usecs = coalesce->rx_coalesce_usecs_irq;
241 
242 	adaptive = coalesce->use_adaptive_rx_coalesce;
243 
244 	/* If channels are shared, TX IRQ moderation can be quietly
245 	 * overridden unless it is changed from its old value.
246 	 */
247 	rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs &&
248 			      coalesce->tx_coalesce_usecs_irq == tx_usecs);
249 	if (coalesce->tx_coalesce_usecs != tx_usecs)
250 		tx_usecs = coalesce->tx_coalesce_usecs;
251 	else
252 		tx_usecs = coalesce->tx_coalesce_usecs_irq;
253 
254 	rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive,
255 				     rx_may_override_tx);
256 	if (rc != 0)
257 		return rc;
258 
259 	efx_for_each_channel(channel, efx)
260 		efx->type->push_irq_moderation(channel);
261 
262 	return 0;
263 }
264 
265 static void efx_ethtool_get_ringparam(struct net_device *net_dev,
266 				      struct ethtool_ringparam *ring)
267 {
268 	struct efx_nic *efx = netdev_priv(net_dev);
269 
270 	ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
271 	ring->tx_max_pending = EFX_TXQ_MAX_ENT(efx);
272 	ring->rx_pending = efx->rxq_entries;
273 	ring->tx_pending = efx->txq_entries;
274 }
275 
276 static int efx_ethtool_set_ringparam(struct net_device *net_dev,
277 				     struct ethtool_ringparam *ring)
278 {
279 	struct efx_nic *efx = netdev_priv(net_dev);
280 	u32 txq_entries;
281 
282 	if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
283 	    ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
284 	    ring->tx_pending > EFX_TXQ_MAX_ENT(efx))
285 		return -EINVAL;
286 
287 	if (ring->rx_pending < EFX_RXQ_MIN_ENT) {
288 		netif_err(efx, drv, efx->net_dev,
289 			  "RX queues cannot be smaller than %u\n",
290 			  EFX_RXQ_MIN_ENT);
291 		return -EINVAL;
292 	}
293 
294 	txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx));
295 	if (txq_entries != ring->tx_pending)
296 		netif_warn(efx, drv, efx->net_dev,
297 			   "increasing TX queue size to minimum of %u\n",
298 			   txq_entries);
299 
300 	return efx_realloc_channels(efx, ring->rx_pending, txq_entries);
301 }
302 
303 static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
304 				      struct ethtool_pauseparam *pause)
305 {
306 	struct efx_nic *efx = netdev_priv(net_dev);
307 	u8 wanted_fc, old_fc;
308 	u32 old_adv;
309 	int rc = 0;
310 
311 	mutex_lock(&efx->mac_lock);
312 
313 	wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
314 		     (pause->tx_pause ? EFX_FC_TX : 0) |
315 		     (pause->autoneg ? EFX_FC_AUTO : 0));
316 
317 	if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
318 		netif_dbg(efx, drv, efx->net_dev,
319 			  "Flow control unsupported: tx ON rx OFF\n");
320 		rc = -EINVAL;
321 		goto out;
322 	}
323 
324 	if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising[0]) {
325 		netif_dbg(efx, drv, efx->net_dev,
326 			  "Autonegotiation is disabled\n");
327 		rc = -EINVAL;
328 		goto out;
329 	}
330 
331 	/* Hook for Falcon bug 11482 workaround */
332 	if (efx->type->prepare_enable_fc_tx &&
333 	    (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
334 		efx->type->prepare_enable_fc_tx(efx);
335 
336 	old_adv = efx->link_advertising[0];
337 	old_fc = efx->wanted_fc;
338 	efx_link_set_wanted_fc(efx, wanted_fc);
339 	if (efx->link_advertising[0] != old_adv ||
340 	    (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
341 		rc = efx->phy_op->reconfigure(efx);
342 		if (rc) {
343 			netif_err(efx, drv, efx->net_dev,
344 				  "Unable to advertise requested flow "
345 				  "control setting\n");
346 			goto out;
347 		}
348 	}
349 
350 	/* Reconfigure the MAC. The PHY *may* generate a link state change event
351 	 * if the user just changed the advertised capabilities, but there's no
352 	 * harm doing this twice */
353 	efx_mac_reconfigure(efx);
354 
355 out:
356 	mutex_unlock(&efx->mac_lock);
357 
358 	return rc;
359 }
360 
361 static void efx_ethtool_get_wol(struct net_device *net_dev,
362 				struct ethtool_wolinfo *wol)
363 {
364 	struct efx_nic *efx = netdev_priv(net_dev);
365 	return efx->type->get_wol(efx, wol);
366 }
367 
368 
369 static int efx_ethtool_set_wol(struct net_device *net_dev,
370 			       struct ethtool_wolinfo *wol)
371 {
372 	struct efx_nic *efx = netdev_priv(net_dev);
373 	return efx->type->set_wol(efx, wol->wolopts);
374 }
375 
376 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
377 {
378 	struct efx_nic *efx = netdev_priv(net_dev);
379 	int rc;
380 
381 	rc = efx->type->map_reset_flags(flags);
382 	if (rc < 0)
383 		return rc;
384 
385 	return efx_reset(efx, rc);
386 }
387 
388 /* MAC address mask including only I/G bit */
389 static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0};
390 
391 #define IP4_ADDR_FULL_MASK	((__force __be32)~0)
392 #define IP_PROTO_FULL_MASK	0xFF
393 #define PORT_FULL_MASK		((__force __be16)~0)
394 #define ETHER_TYPE_FULL_MASK	((__force __be16)~0)
395 
396 static inline void ip6_fill_mask(__be32 *mask)
397 {
398 	mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;
399 }
400 
401 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
402 				      struct ethtool_rx_flow_spec *rule,
403 				      u32 *rss_context)
404 {
405 	struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
406 	struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
407 	struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
408 	struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
409 	struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
410 	struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
411 	struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
412 	struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
413 	struct ethhdr *mac_entry = &rule->h_u.ether_spec;
414 	struct ethhdr *mac_mask = &rule->m_u.ether_spec;
415 	struct efx_filter_spec spec;
416 	int rc;
417 
418 	rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
419 					rule->location, &spec);
420 	if (rc)
421 		return rc;
422 
423 	if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
424 		rule->ring_cookie = RX_CLS_FLOW_DISC;
425 	else
426 		rule->ring_cookie = spec.dmaq_id;
427 
428 	if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
429 	    spec.ether_type == htons(ETH_P_IP) &&
430 	    (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
431 	    (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
432 	    !(spec.match_flags &
433 	      ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
434 		EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
435 		EFX_FILTER_MATCH_IP_PROTO |
436 		EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
437 		rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
438 				   TCP_V4_FLOW : UDP_V4_FLOW);
439 		if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
440 			ip_entry->ip4dst = spec.loc_host[0];
441 			ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
442 		}
443 		if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
444 			ip_entry->ip4src = spec.rem_host[0];
445 			ip_mask->ip4src = IP4_ADDR_FULL_MASK;
446 		}
447 		if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
448 			ip_entry->pdst = spec.loc_port;
449 			ip_mask->pdst = PORT_FULL_MASK;
450 		}
451 		if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
452 			ip_entry->psrc = spec.rem_port;
453 			ip_mask->psrc = PORT_FULL_MASK;
454 		}
455 	} else if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
456 	    spec.ether_type == htons(ETH_P_IPV6) &&
457 	    (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
458 	    (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
459 	    !(spec.match_flags &
460 	      ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
461 		EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
462 		EFX_FILTER_MATCH_IP_PROTO |
463 		EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
464 		rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
465 				   TCP_V6_FLOW : UDP_V6_FLOW);
466 		if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
467 			memcpy(ip6_entry->ip6dst, spec.loc_host,
468 			       sizeof(ip6_entry->ip6dst));
469 			ip6_fill_mask(ip6_mask->ip6dst);
470 		}
471 		if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
472 			memcpy(ip6_entry->ip6src, spec.rem_host,
473 			       sizeof(ip6_entry->ip6src));
474 			ip6_fill_mask(ip6_mask->ip6src);
475 		}
476 		if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
477 			ip6_entry->pdst = spec.loc_port;
478 			ip6_mask->pdst = PORT_FULL_MASK;
479 		}
480 		if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
481 			ip6_entry->psrc = spec.rem_port;
482 			ip6_mask->psrc = PORT_FULL_MASK;
483 		}
484 	} else if (!(spec.match_flags &
485 		     ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
486 		       EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
487 		       EFX_FILTER_MATCH_OUTER_VID))) {
488 		rule->flow_type = ETHER_FLOW;
489 		if (spec.match_flags &
490 		    (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
491 			ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
492 			if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
493 				eth_broadcast_addr(mac_mask->h_dest);
494 			else
495 				ether_addr_copy(mac_mask->h_dest,
496 						mac_addr_ig_mask);
497 		}
498 		if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
499 			ether_addr_copy(mac_entry->h_source, spec.rem_mac);
500 			eth_broadcast_addr(mac_mask->h_source);
501 		}
502 		if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
503 			mac_entry->h_proto = spec.ether_type;
504 			mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
505 		}
506 	} else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
507 		   spec.ether_type == htons(ETH_P_IP) &&
508 		   !(spec.match_flags &
509 		     ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
510 		       EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
511 		       EFX_FILTER_MATCH_IP_PROTO))) {
512 		rule->flow_type = IPV4_USER_FLOW;
513 		uip_entry->ip_ver = ETH_RX_NFC_IP4;
514 		if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
515 			uip_mask->proto = IP_PROTO_FULL_MASK;
516 			uip_entry->proto = spec.ip_proto;
517 		}
518 		if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
519 			uip_entry->ip4dst = spec.loc_host[0];
520 			uip_mask->ip4dst = IP4_ADDR_FULL_MASK;
521 		}
522 		if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
523 			uip_entry->ip4src = spec.rem_host[0];
524 			uip_mask->ip4src = IP4_ADDR_FULL_MASK;
525 		}
526 	} else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
527 		   spec.ether_type == htons(ETH_P_IPV6) &&
528 		   !(spec.match_flags &
529 		     ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
530 		       EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
531 		       EFX_FILTER_MATCH_IP_PROTO))) {
532 		rule->flow_type = IPV6_USER_FLOW;
533 		if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
534 			uip6_mask->l4_proto = IP_PROTO_FULL_MASK;
535 			uip6_entry->l4_proto = spec.ip_proto;
536 		}
537 		if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
538 			memcpy(uip6_entry->ip6dst, spec.loc_host,
539 			       sizeof(uip6_entry->ip6dst));
540 			ip6_fill_mask(uip6_mask->ip6dst);
541 		}
542 		if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
543 			memcpy(uip6_entry->ip6src, spec.rem_host,
544 			       sizeof(uip6_entry->ip6src));
545 			ip6_fill_mask(uip6_mask->ip6src);
546 		}
547 	} else {
548 		/* The above should handle all filters that we insert */
549 		WARN_ON(1);
550 		return -EINVAL;
551 	}
552 
553 	if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
554 		rule->flow_type |= FLOW_EXT;
555 		rule->h_ext.vlan_tci = spec.outer_vid;
556 		rule->m_ext.vlan_tci = htons(0xfff);
557 	}
558 
559 	if (spec.flags & EFX_FILTER_FLAG_RX_RSS) {
560 		rule->flow_type |= FLOW_RSS;
561 		*rss_context = spec.rss_context;
562 	}
563 
564 	return rc;
565 }
566 
567 static int
568 efx_ethtool_get_rxnfc(struct net_device *net_dev,
569 		      struct ethtool_rxnfc *info, u32 *rule_locs)
570 {
571 	struct efx_nic *efx = netdev_priv(net_dev);
572 	u32 rss_context = 0;
573 	s32 rc = 0;
574 
575 	switch (info->cmd) {
576 	case ETHTOOL_GRXRINGS:
577 		info->data = efx->n_rx_channels;
578 		return 0;
579 
580 	case ETHTOOL_GRXFH: {
581 		struct efx_rss_context *ctx = &efx->rss_context;
582 		__u64 data;
583 
584 		mutex_lock(&efx->rss_lock);
585 		if (info->flow_type & FLOW_RSS && info->rss_context) {
586 			ctx = efx_find_rss_context_entry(efx, info->rss_context);
587 			if (!ctx) {
588 				rc = -ENOENT;
589 				goto out_unlock;
590 			}
591 		}
592 
593 		data = 0;
594 		if (!efx_rss_active(ctx)) /* No RSS */
595 			goto out_setdata_unlock;
596 
597 		switch (info->flow_type & ~FLOW_RSS) {
598 		case UDP_V4_FLOW:
599 		case UDP_V6_FLOW:
600 			if (ctx->rx_hash_udp_4tuple)
601 				data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
602 					RXH_IP_SRC | RXH_IP_DST);
603 			else
604 				data = RXH_IP_SRC | RXH_IP_DST;
605 			break;
606 		case TCP_V4_FLOW:
607 		case TCP_V6_FLOW:
608 			data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
609 				RXH_IP_SRC | RXH_IP_DST);
610 			break;
611 		case SCTP_V4_FLOW:
612 		case SCTP_V6_FLOW:
613 		case AH_ESP_V4_FLOW:
614 		case AH_ESP_V6_FLOW:
615 		case IPV4_FLOW:
616 		case IPV6_FLOW:
617 			data = RXH_IP_SRC | RXH_IP_DST;
618 			break;
619 		default:
620 			break;
621 		}
622 out_setdata_unlock:
623 		info->data = data;
624 out_unlock:
625 		mutex_unlock(&efx->rss_lock);
626 		return rc;
627 	}
628 
629 	case ETHTOOL_GRXCLSRLCNT:
630 		info->data = efx_filter_get_rx_id_limit(efx);
631 		if (info->data == 0)
632 			return -EOPNOTSUPP;
633 		info->data |= RX_CLS_LOC_SPECIAL;
634 		info->rule_cnt =
635 			efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
636 		return 0;
637 
638 	case ETHTOOL_GRXCLSRULE:
639 		if (efx_filter_get_rx_id_limit(efx) == 0)
640 			return -EOPNOTSUPP;
641 		rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
642 		if (rc < 0)
643 			return rc;
644 		if (info->fs.flow_type & FLOW_RSS)
645 			info->rss_context = rss_context;
646 		return 0;
647 
648 	case ETHTOOL_GRXCLSRLALL:
649 		info->data = efx_filter_get_rx_id_limit(efx);
650 		if (info->data == 0)
651 			return -EOPNOTSUPP;
652 		rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
653 					   rule_locs, info->rule_cnt);
654 		if (rc < 0)
655 			return rc;
656 		info->rule_cnt = rc;
657 		return 0;
658 
659 	default:
660 		return -EOPNOTSUPP;
661 	}
662 }
663 
664 static inline bool ip6_mask_is_full(__be32 mask[4])
665 {
666 	return !~(mask[0] & mask[1] & mask[2] & mask[3]);
667 }
668 
669 static inline bool ip6_mask_is_empty(__be32 mask[4])
670 {
671 	return !(mask[0] | mask[1] | mask[2] | mask[3]);
672 }
673 
674 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
675 				      struct ethtool_rx_flow_spec *rule,
676 				      u32 rss_context)
677 {
678 	struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
679 	struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
680 	struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
681 	struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
682 	struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
683 	struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
684 	struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
685 	struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
686 	u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
687 	struct ethhdr *mac_entry = &rule->h_u.ether_spec;
688 	struct ethhdr *mac_mask = &rule->m_u.ether_spec;
689 	enum efx_filter_flags flags = 0;
690 	struct efx_filter_spec spec;
691 	int rc;
692 
693 	/* Check that user wants us to choose the location */
694 	if (rule->location != RX_CLS_LOC_ANY)
695 		return -EINVAL;
696 
697 	/* Range-check ring_cookie */
698 	if (rule->ring_cookie >= efx->n_rx_channels &&
699 	    rule->ring_cookie != RX_CLS_FLOW_DISC)
700 		return -EINVAL;
701 
702 	/* Check for unsupported extensions */
703 	if ((rule->flow_type & FLOW_EXT) &&
704 	    (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
705 	     rule->m_ext.data[1]))
706 		return -EINVAL;
707 
708 	if (efx->rx_scatter)
709 		flags |= EFX_FILTER_FLAG_RX_SCATTER;
710 	if (rule->flow_type & FLOW_RSS)
711 		flags |= EFX_FILTER_FLAG_RX_RSS;
712 
713 	efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
714 			   (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
715 			   EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
716 
717 	if (rule->flow_type & FLOW_RSS)
718 		spec.rss_context = rss_context;
719 
720 	switch (flow_type) {
721 	case TCP_V4_FLOW:
722 	case UDP_V4_FLOW:
723 		spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
724 				    EFX_FILTER_MATCH_IP_PROTO);
725 		spec.ether_type = htons(ETH_P_IP);
726 		spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
727 							 : IPPROTO_UDP;
728 		if (ip_mask->ip4dst) {
729 			if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
730 				return -EINVAL;
731 			spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
732 			spec.loc_host[0] = ip_entry->ip4dst;
733 		}
734 		if (ip_mask->ip4src) {
735 			if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
736 				return -EINVAL;
737 			spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
738 			spec.rem_host[0] = ip_entry->ip4src;
739 		}
740 		if (ip_mask->pdst) {
741 			if (ip_mask->pdst != PORT_FULL_MASK)
742 				return -EINVAL;
743 			spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
744 			spec.loc_port = ip_entry->pdst;
745 		}
746 		if (ip_mask->psrc) {
747 			if (ip_mask->psrc != PORT_FULL_MASK)
748 				return -EINVAL;
749 			spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
750 			spec.rem_port = ip_entry->psrc;
751 		}
752 		if (ip_mask->tos)
753 			return -EINVAL;
754 		break;
755 
756 	case TCP_V6_FLOW:
757 	case UDP_V6_FLOW:
758 		spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
759 				    EFX_FILTER_MATCH_IP_PROTO);
760 		spec.ether_type = htons(ETH_P_IPV6);
761 		spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP
762 							 : IPPROTO_UDP;
763 		if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
764 			if (!ip6_mask_is_full(ip6_mask->ip6dst))
765 				return -EINVAL;
766 			spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
767 			memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));
768 		}
769 		if (!ip6_mask_is_empty(ip6_mask->ip6src)) {
770 			if (!ip6_mask_is_full(ip6_mask->ip6src))
771 				return -EINVAL;
772 			spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
773 			memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));
774 		}
775 		if (ip6_mask->pdst) {
776 			if (ip6_mask->pdst != PORT_FULL_MASK)
777 				return -EINVAL;
778 			spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
779 			spec.loc_port = ip6_entry->pdst;
780 		}
781 		if (ip6_mask->psrc) {
782 			if (ip6_mask->psrc != PORT_FULL_MASK)
783 				return -EINVAL;
784 			spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
785 			spec.rem_port = ip6_entry->psrc;
786 		}
787 		if (ip6_mask->tclass)
788 			return -EINVAL;
789 		break;
790 
791 	case IPV4_USER_FLOW:
792 		if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||
793 		    uip_entry->ip_ver != ETH_RX_NFC_IP4)
794 			return -EINVAL;
795 		spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
796 		spec.ether_type = htons(ETH_P_IP);
797 		if (uip_mask->ip4dst) {
798 			if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)
799 				return -EINVAL;
800 			spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
801 			spec.loc_host[0] = uip_entry->ip4dst;
802 		}
803 		if (uip_mask->ip4src) {
804 			if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)
805 				return -EINVAL;
806 			spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
807 			spec.rem_host[0] = uip_entry->ip4src;
808 		}
809 		if (uip_mask->proto) {
810 			if (uip_mask->proto != IP_PROTO_FULL_MASK)
811 				return -EINVAL;
812 			spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
813 			spec.ip_proto = uip_entry->proto;
814 		}
815 		break;
816 
817 	case IPV6_USER_FLOW:
818 		if (uip6_mask->l4_4_bytes || uip6_mask->tclass)
819 			return -EINVAL;
820 		spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
821 		spec.ether_type = htons(ETH_P_IPV6);
822 		if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {
823 			if (!ip6_mask_is_full(uip6_mask->ip6dst))
824 				return -EINVAL;
825 			spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
826 			memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));
827 		}
828 		if (!ip6_mask_is_empty(uip6_mask->ip6src)) {
829 			if (!ip6_mask_is_full(uip6_mask->ip6src))
830 				return -EINVAL;
831 			spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
832 			memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));
833 		}
834 		if (uip6_mask->l4_proto) {
835 			if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)
836 				return -EINVAL;
837 			spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
838 			spec.ip_proto = uip6_entry->l4_proto;
839 		}
840 		break;
841 
842 	case ETHER_FLOW:
843 		if (!is_zero_ether_addr(mac_mask->h_dest)) {
844 			if (ether_addr_equal(mac_mask->h_dest,
845 					     mac_addr_ig_mask))
846 				spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
847 			else if (is_broadcast_ether_addr(mac_mask->h_dest))
848 				spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
849 			else
850 				return -EINVAL;
851 			ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
852 		}
853 		if (!is_zero_ether_addr(mac_mask->h_source)) {
854 			if (!is_broadcast_ether_addr(mac_mask->h_source))
855 				return -EINVAL;
856 			spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
857 			ether_addr_copy(spec.rem_mac, mac_entry->h_source);
858 		}
859 		if (mac_mask->h_proto) {
860 			if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
861 				return -EINVAL;
862 			spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
863 			spec.ether_type = mac_entry->h_proto;
864 		}
865 		break;
866 
867 	default:
868 		return -EINVAL;
869 	}
870 
871 	if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
872 		if (rule->m_ext.vlan_tci != htons(0xfff))
873 			return -EINVAL;
874 		spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
875 		spec.outer_vid = rule->h_ext.vlan_tci;
876 	}
877 
878 	rc = efx_filter_insert_filter(efx, &spec, true);
879 	if (rc < 0)
880 		return rc;
881 
882 	rule->location = rc;
883 	return 0;
884 }
885 
886 static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
887 				 struct ethtool_rxnfc *info)
888 {
889 	struct efx_nic *efx = netdev_priv(net_dev);
890 
891 	if (efx_filter_get_rx_id_limit(efx) == 0)
892 		return -EOPNOTSUPP;
893 
894 	switch (info->cmd) {
895 	case ETHTOOL_SRXCLSRLINS:
896 		return efx_ethtool_set_class_rule(efx, &info->fs,
897 						  info->rss_context);
898 
899 	case ETHTOOL_SRXCLSRLDEL:
900 		return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
901 						 info->fs.location);
902 
903 	default:
904 		return -EOPNOTSUPP;
905 	}
906 }
907 
908 static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
909 {
910 	struct efx_nic *efx = netdev_priv(net_dev);
911 
912 	if (efx->n_rx_channels == 1)
913 		return 0;
914 	return ARRAY_SIZE(efx->rss_context.rx_indir_table);
915 }
916 
917 static u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev)
918 {
919 	struct efx_nic *efx = netdev_priv(net_dev);
920 
921 	return efx->type->rx_hash_key_size;
922 }
923 
924 static int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
925 				u8 *hfunc)
926 {
927 	struct efx_nic *efx = netdev_priv(net_dev);
928 	int rc;
929 
930 	rc = efx->type->rx_pull_rss_config(efx);
931 	if (rc)
932 		return rc;
933 
934 	if (hfunc)
935 		*hfunc = ETH_RSS_HASH_TOP;
936 	if (indir)
937 		memcpy(indir, efx->rss_context.rx_indir_table,
938 		       sizeof(efx->rss_context.rx_indir_table));
939 	if (key)
940 		memcpy(key, efx->rss_context.rx_hash_key,
941 		       efx->type->rx_hash_key_size);
942 	return 0;
943 }
944 
945 static int efx_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir,
946 				const u8 *key, const u8 hfunc)
947 {
948 	struct efx_nic *efx = netdev_priv(net_dev);
949 
950 	/* Hash function is Toeplitz, cannot be changed */
951 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
952 		return -EOPNOTSUPP;
953 	if (!indir && !key)
954 		return 0;
955 
956 	if (!key)
957 		key = efx->rss_context.rx_hash_key;
958 	if (!indir)
959 		indir = efx->rss_context.rx_indir_table;
960 
961 	return efx->type->rx_push_rss_config(efx, true, indir, key);
962 }
963 
964 static int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir,
965 					u8 *key, u8 *hfunc, u32 rss_context)
966 {
967 	struct efx_nic *efx = netdev_priv(net_dev);
968 	struct efx_rss_context *ctx;
969 	int rc = 0;
970 
971 	if (!efx->type->rx_pull_rss_context_config)
972 		return -EOPNOTSUPP;
973 
974 	mutex_lock(&efx->rss_lock);
975 	ctx = efx_find_rss_context_entry(efx, rss_context);
976 	if (!ctx) {
977 		rc = -ENOENT;
978 		goto out_unlock;
979 	}
980 	rc = efx->type->rx_pull_rss_context_config(efx, ctx);
981 	if (rc)
982 		goto out_unlock;
983 
984 	if (hfunc)
985 		*hfunc = ETH_RSS_HASH_TOP;
986 	if (indir)
987 		memcpy(indir, ctx->rx_indir_table, sizeof(ctx->rx_indir_table));
988 	if (key)
989 		memcpy(key, ctx->rx_hash_key, efx->type->rx_hash_key_size);
990 out_unlock:
991 	mutex_unlock(&efx->rss_lock);
992 	return rc;
993 }
994 
995 static int efx_ethtool_set_rxfh_context(struct net_device *net_dev,
996 					const u32 *indir, const u8 *key,
997 					const u8 hfunc, u32 *rss_context,
998 					bool delete)
999 {
1000 	struct efx_nic *efx = netdev_priv(net_dev);
1001 	struct efx_rss_context *ctx;
1002 	bool allocated = false;
1003 	int rc;
1004 
1005 	if (!efx->type->rx_push_rss_context_config)
1006 		return -EOPNOTSUPP;
1007 	/* Hash function is Toeplitz, cannot be changed */
1008 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1009 		return -EOPNOTSUPP;
1010 
1011 	mutex_lock(&efx->rss_lock);
1012 
1013 	if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
1014 		if (delete) {
1015 			/* alloc + delete == Nothing to do */
1016 			rc = -EINVAL;
1017 			goto out_unlock;
1018 		}
1019 		ctx = efx_alloc_rss_context_entry(efx);
1020 		if (!ctx) {
1021 			rc = -ENOMEM;
1022 			goto out_unlock;
1023 		}
1024 		ctx->context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
1025 		/* Initialise indir table and key to defaults */
1026 		efx_set_default_rx_indir_table(efx, ctx);
1027 		netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key));
1028 		allocated = true;
1029 	} else {
1030 		ctx = efx_find_rss_context_entry(efx, *rss_context);
1031 		if (!ctx) {
1032 			rc = -ENOENT;
1033 			goto out_unlock;
1034 		}
1035 	}
1036 
1037 	if (delete) {
1038 		/* delete this context */
1039 		rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL);
1040 		if (!rc)
1041 			efx_free_rss_context_entry(ctx);
1042 		goto out_unlock;
1043 	}
1044 
1045 	if (!key)
1046 		key = ctx->rx_hash_key;
1047 	if (!indir)
1048 		indir = ctx->rx_indir_table;
1049 
1050 	rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key);
1051 	if (rc && allocated)
1052 		efx_free_rss_context_entry(ctx);
1053 	else
1054 		*rss_context = ctx->user_id;
1055 out_unlock:
1056 	mutex_unlock(&efx->rss_lock);
1057 	return rc;
1058 }
1059 
1060 static int efx_ethtool_get_ts_info(struct net_device *net_dev,
1061 				   struct ethtool_ts_info *ts_info)
1062 {
1063 	struct efx_nic *efx = netdev_priv(net_dev);
1064 
1065 	/* Software capabilities */
1066 	ts_info->so_timestamping = (SOF_TIMESTAMPING_RX_SOFTWARE |
1067 				    SOF_TIMESTAMPING_SOFTWARE);
1068 	ts_info->phc_index = -1;
1069 
1070 	efx_ptp_get_ts_info(efx, ts_info);
1071 	return 0;
1072 }
1073 
1074 static int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1075 					 struct ethtool_eeprom *ee,
1076 					 u8 *data)
1077 {
1078 	struct efx_nic *efx = netdev_priv(net_dev);
1079 	int ret;
1080 
1081 	if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1082 		return -EOPNOTSUPP;
1083 
1084 	mutex_lock(&efx->mac_lock);
1085 	ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1086 	mutex_unlock(&efx->mac_lock);
1087 
1088 	return ret;
1089 }
1090 
1091 static int efx_ethtool_get_module_info(struct net_device *net_dev,
1092 				       struct ethtool_modinfo *modinfo)
1093 {
1094 	struct efx_nic *efx = netdev_priv(net_dev);
1095 	int ret;
1096 
1097 	if (!efx->phy_op || !efx->phy_op->get_module_info)
1098 		return -EOPNOTSUPP;
1099 
1100 	mutex_lock(&efx->mac_lock);
1101 	ret = efx->phy_op->get_module_info(efx, modinfo);
1102 	mutex_unlock(&efx->mac_lock);
1103 
1104 	return ret;
1105 }
1106 
1107 static int efx_ethtool_get_fecparam(struct net_device *net_dev,
1108 				    struct ethtool_fecparam *fecparam)
1109 {
1110 	struct efx_nic *efx = netdev_priv(net_dev);
1111 	int rc;
1112 
1113 	if (!efx->phy_op || !efx->phy_op->get_fecparam)
1114 		return -EOPNOTSUPP;
1115 	mutex_lock(&efx->mac_lock);
1116 	rc = efx->phy_op->get_fecparam(efx, fecparam);
1117 	mutex_unlock(&efx->mac_lock);
1118 
1119 	return rc;
1120 }
1121 
1122 static int efx_ethtool_set_fecparam(struct net_device *net_dev,
1123 				    struct ethtool_fecparam *fecparam)
1124 {
1125 	struct efx_nic *efx = netdev_priv(net_dev);
1126 	int rc;
1127 
1128 	if (!efx->phy_op || !efx->phy_op->get_fecparam)
1129 		return -EOPNOTSUPP;
1130 	mutex_lock(&efx->mac_lock);
1131 	rc = efx->phy_op->set_fecparam(efx, fecparam);
1132 	mutex_unlock(&efx->mac_lock);
1133 
1134 	return rc;
1135 }
1136 
1137 const struct ethtool_ops efx_ethtool_ops = {
1138 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1139 				     ETHTOOL_COALESCE_USECS_IRQ |
1140 				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
1141 	.get_drvinfo		= efx_ethtool_get_drvinfo,
1142 	.get_regs_len		= efx_ethtool_get_regs_len,
1143 	.get_regs		= efx_ethtool_get_regs,
1144 	.get_msglevel		= efx_ethtool_get_msglevel,
1145 	.set_msglevel		= efx_ethtool_set_msglevel,
1146 	.nway_reset		= efx_ethtool_nway_reset,
1147 	.get_link		= ethtool_op_get_link,
1148 	.get_coalesce		= efx_ethtool_get_coalesce,
1149 	.set_coalesce		= efx_ethtool_set_coalesce,
1150 	.get_ringparam		= efx_ethtool_get_ringparam,
1151 	.set_ringparam		= efx_ethtool_set_ringparam,
1152 	.get_pauseparam         = efx_ethtool_get_pauseparam,
1153 	.set_pauseparam         = efx_ethtool_set_pauseparam,
1154 	.get_sset_count		= efx_ethtool_get_sset_count,
1155 	.self_test		= efx_ethtool_self_test,
1156 	.get_strings		= efx_ethtool_get_strings,
1157 	.set_phys_id		= efx_ethtool_phys_id,
1158 	.get_ethtool_stats	= efx_ethtool_get_stats,
1159 	.get_wol                = efx_ethtool_get_wol,
1160 	.set_wol                = efx_ethtool_set_wol,
1161 	.reset			= efx_ethtool_reset,
1162 	.get_rxnfc		= efx_ethtool_get_rxnfc,
1163 	.set_rxnfc		= efx_ethtool_set_rxnfc,
1164 	.get_rxfh_indir_size	= efx_ethtool_get_rxfh_indir_size,
1165 	.get_rxfh_key_size	= efx_ethtool_get_rxfh_key_size,
1166 	.get_rxfh		= efx_ethtool_get_rxfh,
1167 	.set_rxfh		= efx_ethtool_set_rxfh,
1168 	.get_rxfh_context	= efx_ethtool_get_rxfh_context,
1169 	.set_rxfh_context	= efx_ethtool_set_rxfh_context,
1170 	.get_ts_info		= efx_ethtool_get_ts_info,
1171 	.get_module_info	= efx_ethtool_get_module_info,
1172 	.get_module_eeprom	= efx_ethtool_get_module_eeprom,
1173 	.get_link_ksettings	= efx_ethtool_get_link_ksettings,
1174 	.set_link_ksettings	= efx_ethtool_set_link_ksettings,
1175 	.get_fecparam		= efx_ethtool_get_fecparam,
1176 	.set_fecparam		= efx_ethtool_set_fecparam,
1177 };
1178