1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2005 - 2016 Broadcom
4  * All rights reserved.
5  *
6  * Contact Information:
7  * linux-drivers@emulex.com
8  *
9  * Emulex
10  * 3333 Susan Street
11  * Costa Mesa, CA 92626
12  */
13 
14 #include "be.h"
15 #include "be_cmds.h"
16 #include <linux/ethtool.h>
17 
18 struct be_ethtool_stat {
19 	char desc[ETH_GSTRING_LEN];
20 	int type;
21 	int size;
22 	int offset;
23 };
24 
25 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
26 #define FIELDINFO(_struct, field) sizeof_field(_struct, field), \
27 					offsetof(_struct, field)
28 #define DRVSTAT_TX_INFO(field)	#field, DRVSTAT_TX,\
29 					FIELDINFO(struct be_tx_stats, field)
30 #define DRVSTAT_RX_INFO(field)	#field, DRVSTAT_RX,\
31 					FIELDINFO(struct be_rx_stats, field)
32 #define	DRVSTAT_INFO(field)	#field, DRVSTAT,\
33 					FIELDINFO(struct be_drv_stats, field)
34 
35 static const struct be_ethtool_stat et_stats[] = {
36 	{DRVSTAT_INFO(rx_crc_errors)},
37 	{DRVSTAT_INFO(rx_alignment_symbol_errors)},
38 	{DRVSTAT_INFO(rx_pause_frames)},
39 	{DRVSTAT_INFO(rx_control_frames)},
40 	/* Received packets dropped when the Ethernet length field
41 	 * is not equal to the actual Ethernet data length.
42 	 */
43 	{DRVSTAT_INFO(rx_in_range_errors)},
44 	/* Received packets dropped when their length field is >= 1501 bytes
45 	 * and <= 1535 bytes.
46 	 */
47 	{DRVSTAT_INFO(rx_out_range_errors)},
48 	/* Received packets dropped when they are longer than 9216 bytes */
49 	{DRVSTAT_INFO(rx_frame_too_long)},
50 	/* Received packets dropped when they don't pass the unicast or
51 	 * multicast address filtering.
52 	 */
53 	{DRVSTAT_INFO(rx_address_filtered)},
54 	/* Received packets dropped when IP packet length field is less than
55 	 * the IP header length field.
56 	 */
57 	{DRVSTAT_INFO(rx_dropped_too_small)},
58 	/* Received packets dropped when IP length field is greater than
59 	 * the actual packet length.
60 	 */
61 	{DRVSTAT_INFO(rx_dropped_too_short)},
62 	/* Received packets dropped when the IP header length field is less
63 	 * than 5.
64 	 */
65 	{DRVSTAT_INFO(rx_dropped_header_too_small)},
66 	/* Received packets dropped when the TCP header length field is less
67 	 * than 5 or the TCP header length + IP header length is more
68 	 * than IP packet length.
69 	 */
70 	{DRVSTAT_INFO(rx_dropped_tcp_length)},
71 	{DRVSTAT_INFO(rx_dropped_runt)},
72 	/* Number of received packets dropped when a fifo for descriptors going
73 	 * into the packet demux block overflows. In normal operation, this
74 	 * fifo must never overflow.
75 	 */
76 	{DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
77 	/* Received packets dropped when the RX block runs out of space in
78 	 * one of its input FIFOs. This could happen due a long burst of
79 	 * minimum-sized (64b) frames in the receive path.
80 	 * This counter may also be erroneously incremented rarely.
81 	 */
82 	{DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
83 	{DRVSTAT_INFO(rx_ip_checksum_errs)},
84 	{DRVSTAT_INFO(rx_tcp_checksum_errs)},
85 	{DRVSTAT_INFO(rx_udp_checksum_errs)},
86 	{DRVSTAT_INFO(tx_pauseframes)},
87 	{DRVSTAT_INFO(tx_controlframes)},
88 	{DRVSTAT_INFO(rx_priority_pause_frames)},
89 	{DRVSTAT_INFO(tx_priority_pauseframes)},
90 	/* Received packets dropped when an internal fifo going into
91 	 * main packet buffer tank (PMEM) overflows.
92 	 */
93 	{DRVSTAT_INFO(pmem_fifo_overflow_drop)},
94 	{DRVSTAT_INFO(jabber_events)},
95 	/* Received packets dropped due to lack of available HW packet buffers
96 	 * used to temporarily hold the received packets.
97 	 */
98 	{DRVSTAT_INFO(rx_drops_no_pbuf)},
99 	/* Received packets dropped due to input receive buffer
100 	 * descriptor fifo overflowing.
101 	 */
102 	{DRVSTAT_INFO(rx_drops_no_erx_descr)},
103 	/* Packets dropped because the internal FIFO to the offloaded TCP
104 	 * receive processing block is full. This could happen only for
105 	 * offloaded iSCSI or FCoE trarffic.
106 	 */
107 	{DRVSTAT_INFO(rx_drops_no_tpre_descr)},
108 	/* Received packets dropped when they need more than 8
109 	 * receive buffers. This cannot happen as the driver configures
110 	 * 2048 byte receive buffers.
111 	 */
112 	{DRVSTAT_INFO(rx_drops_too_many_frags)},
113 	{DRVSTAT_INFO(forwarded_packets)},
114 	/* Received packets dropped when the frame length
115 	 * is more than 9018 bytes
116 	 */
117 	{DRVSTAT_INFO(rx_drops_mtu)},
118 	/* Number of dma mapping errors */
119 	{DRVSTAT_INFO(dma_map_errors)},
120 	/* Number of packets dropped due to random early drop function */
121 	{DRVSTAT_INFO(eth_red_drops)},
122 	{DRVSTAT_INFO(rx_roce_bytes_lsd)},
123 	{DRVSTAT_INFO(rx_roce_bytes_msd)},
124 	{DRVSTAT_INFO(rx_roce_frames)},
125 	{DRVSTAT_INFO(roce_drops_payload_len)},
126 	{DRVSTAT_INFO(roce_drops_crc)}
127 };
128 
129 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
130 
131 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
132  * are first and second members respectively.
133  */
134 static const struct be_ethtool_stat et_rx_stats[] = {
135 	{DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
136 	{DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
137 	{DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
138 	{DRVSTAT_RX_INFO(rx_compl)},
139 	{DRVSTAT_RX_INFO(rx_compl_err)},
140 	{DRVSTAT_RX_INFO(rx_mcast_pkts)},
141 	/* Number of page allocation failures while posting receive buffers
142 	 * to HW.
143 	 */
144 	{DRVSTAT_RX_INFO(rx_post_fail)},
145 	/* Recevied packets dropped due to skb allocation failure */
146 	{DRVSTAT_RX_INFO(rx_drops_no_skbs)},
147 	/* Received packets dropped due to lack of available fetched buffers
148 	 * posted by the driver.
149 	 */
150 	{DRVSTAT_RX_INFO(rx_drops_no_frags)}
151 };
152 
153 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
154 
155 /* Stats related to multi TX queues: get_stats routine assumes compl is the
156  * first member
157  */
158 static const struct be_ethtool_stat et_tx_stats[] = {
159 	{DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
160 	/* This counter is incremented when the HW encounters an error while
161 	 * parsing the packet header of an outgoing TX request. This counter is
162 	 * applicable only for BE2, BE3 and Skyhawk based adapters.
163 	 */
164 	{DRVSTAT_TX_INFO(tx_hdr_parse_err)},
165 	/* This counter is incremented when an error occurs in the DMA
166 	 * operation associated with the TX request from the host to the device.
167 	 */
168 	{DRVSTAT_TX_INFO(tx_dma_err)},
169 	/* This counter is incremented when MAC or VLAN spoof checking is
170 	 * enabled on the interface and the TX request fails the spoof check
171 	 * in HW.
172 	 */
173 	{DRVSTAT_TX_INFO(tx_spoof_check_err)},
174 	/* This counter is incremented when the HW encounters an error while
175 	 * performing TSO offload. This counter is applicable only for Lancer
176 	 * adapters.
177 	 */
178 	{DRVSTAT_TX_INFO(tx_tso_err)},
179 	/* This counter is incremented when the HW detects Q-in-Q style VLAN
180 	 * tagging in a packet and such tagging is not expected on the outgoing
181 	 * interface. This counter is applicable only for Lancer adapters.
182 	 */
183 	{DRVSTAT_TX_INFO(tx_qinq_err)},
184 	/* This counter is incremented when the HW detects parity errors in the
185 	 * packet data. This counter is applicable only for Lancer adapters.
186 	 */
187 	{DRVSTAT_TX_INFO(tx_internal_parity_err)},
188 	{DRVSTAT_TX_INFO(tx_sge_err)},
189 	{DRVSTAT_TX_INFO(tx_bytes)},
190 	{DRVSTAT_TX_INFO(tx_pkts)},
191 	{DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
192 	/* Number of skbs queued for trasmission by the driver */
193 	{DRVSTAT_TX_INFO(tx_reqs)},
194 	/* Number of times the TX queue was stopped due to lack
195 	 * of spaces in the TXQ.
196 	 */
197 	{DRVSTAT_TX_INFO(tx_stops)},
198 	/* Pkts dropped in the driver's transmit path */
199 	{DRVSTAT_TX_INFO(tx_drv_drops)}
200 };
201 
202 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
203 
204 static const char et_self_tests[][ETH_GSTRING_LEN] = {
205 	"MAC Loopback test",
206 	"PHY Loopback test",
207 	"External Loopback test",
208 	"DDR DMA test",
209 	"Link test"
210 };
211 
212 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
213 #define BE_MAC_LOOPBACK 0x0
214 #define BE_PHY_LOOPBACK 0x1
215 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
216 #define BE_NO_LOOPBACK 0xff
217 
218 static void be_get_drvinfo(struct net_device *netdev,
219 			   struct ethtool_drvinfo *drvinfo)
220 {
221 	struct be_adapter *adapter = netdev_priv(netdev);
222 
223 	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
224 	if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
225 		strlcpy(drvinfo->fw_version, adapter->fw_ver,
226 			sizeof(drvinfo->fw_version));
227 	else
228 		snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
229 			 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
230 
231 	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
232 		sizeof(drvinfo->bus_info));
233 }
234 
235 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
236 {
237 	u32 data_read = 0, eof;
238 	u8 addn_status;
239 	struct be_dma_mem data_len_cmd;
240 
241 	memset(&data_len_cmd, 0, sizeof(data_len_cmd));
242 	/* data_offset and data_size should be 0 to get reg len */
243 	lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
244 			       &data_read, &eof, &addn_status);
245 
246 	return data_read;
247 }
248 
249 static int be_get_dump_len(struct be_adapter *adapter)
250 {
251 	u32 dump_size = 0;
252 
253 	if (lancer_chip(adapter))
254 		dump_size = lancer_cmd_get_file_len(adapter,
255 						    LANCER_FW_DUMP_FILE);
256 	else
257 		dump_size = adapter->fat_dump_len;
258 
259 	return dump_size;
260 }
261 
262 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
263 				u32 buf_len, void *buf)
264 {
265 	struct be_dma_mem read_cmd;
266 	u32 read_len = 0, total_read_len = 0, chunk_size;
267 	u32 eof = 0;
268 	u8 addn_status;
269 	int status = 0;
270 
271 	read_cmd.size = LANCER_READ_FILE_CHUNK;
272 	read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size,
273 					 &read_cmd.dma, GFP_ATOMIC);
274 
275 	if (!read_cmd.va) {
276 		dev_err(&adapter->pdev->dev,
277 			"Memory allocation failure while reading dump\n");
278 		return -ENOMEM;
279 	}
280 
281 	while ((total_read_len < buf_len) && !eof) {
282 		chunk_size = min_t(u32, (buf_len - total_read_len),
283 				   LANCER_READ_FILE_CHUNK);
284 		chunk_size = ALIGN(chunk_size, 4);
285 		status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
286 						total_read_len, file_name,
287 						&read_len, &eof, &addn_status);
288 		if (!status) {
289 			memcpy(buf + total_read_len, read_cmd.va, read_len);
290 			total_read_len += read_len;
291 			eof &= LANCER_READ_FILE_EOF_MASK;
292 		} else {
293 			status = -EIO;
294 			break;
295 		}
296 	}
297 	dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
298 			  read_cmd.dma);
299 
300 	return status;
301 }
302 
303 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
304 			     void *buf)
305 {
306 	int status = 0;
307 
308 	if (lancer_chip(adapter))
309 		status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
310 					      dump_len, buf);
311 	else
312 		status = be_cmd_get_fat_dump(adapter, dump_len, buf);
313 
314 	return status;
315 }
316 
317 static int be_get_coalesce(struct net_device *netdev,
318 			   struct ethtool_coalesce *et)
319 {
320 	struct be_adapter *adapter = netdev_priv(netdev);
321 	struct be_aic_obj *aic = &adapter->aic_obj[0];
322 
323 	et->rx_coalesce_usecs = aic->prev_eqd;
324 	et->rx_coalesce_usecs_high = aic->max_eqd;
325 	et->rx_coalesce_usecs_low = aic->min_eqd;
326 
327 	et->tx_coalesce_usecs = aic->prev_eqd;
328 	et->tx_coalesce_usecs_high = aic->max_eqd;
329 	et->tx_coalesce_usecs_low = aic->min_eqd;
330 
331 	et->use_adaptive_rx_coalesce = adapter->aic_enabled;
332 	et->use_adaptive_tx_coalesce = adapter->aic_enabled;
333 
334 	return 0;
335 }
336 
337 /* TX attributes are ignored. Only RX attributes are considered
338  * eqd cmd is issued in the worker thread.
339  */
340 static int be_set_coalesce(struct net_device *netdev,
341 			   struct ethtool_coalesce *et)
342 {
343 	struct be_adapter *adapter = netdev_priv(netdev);
344 	struct be_aic_obj *aic = &adapter->aic_obj[0];
345 	struct be_eq_obj *eqo;
346 	int i;
347 
348 	adapter->aic_enabled = et->use_adaptive_rx_coalesce;
349 
350 	for_all_evt_queues(adapter, eqo, i) {
351 		aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
352 		aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
353 		aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
354 		aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
355 		aic++;
356 	}
357 
358 	/* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
359 	 * When AIC is disabled, persistently force set EQD value via the
360 	 * FW cmd, so that we don't have to calculate the delay multiplier
361 	 * encode value each time EQ_DB is rung
362 	 */
363 	if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
364 		be_eqd_update(adapter, true);
365 
366 	return 0;
367 }
368 
369 static void be_get_ethtool_stats(struct net_device *netdev,
370 				 struct ethtool_stats *stats, uint64_t *data)
371 {
372 	struct be_adapter *adapter = netdev_priv(netdev);
373 	struct be_rx_obj *rxo;
374 	struct be_tx_obj *txo;
375 	void *p;
376 	unsigned int i, j, base = 0, start;
377 
378 	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
379 		p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
380 		data[i] = *(u32 *)p;
381 	}
382 	base += ETHTOOL_STATS_NUM;
383 
384 	for_all_rx_queues(adapter, rxo, j) {
385 		struct be_rx_stats *stats = rx_stats(rxo);
386 
387 		do {
388 			start = u64_stats_fetch_begin_irq(&stats->sync);
389 			data[base] = stats->rx_bytes;
390 			data[base + 1] = stats->rx_pkts;
391 		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
392 
393 		for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
394 			p = (u8 *)stats + et_rx_stats[i].offset;
395 			data[base + i] = *(u32 *)p;
396 		}
397 		base += ETHTOOL_RXSTATS_NUM;
398 	}
399 
400 	for_all_tx_queues(adapter, txo, j) {
401 		struct be_tx_stats *stats = tx_stats(txo);
402 
403 		do {
404 			start = u64_stats_fetch_begin_irq(&stats->sync_compl);
405 			data[base] = stats->tx_compl;
406 		} while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
407 
408 		do {
409 			start = u64_stats_fetch_begin_irq(&stats->sync);
410 			for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
411 				p = (u8 *)stats + et_tx_stats[i].offset;
412 				data[base + i] =
413 					(et_tx_stats[i].size == sizeof(u64)) ?
414 						*(u64 *)p : *(u32 *)p;
415 			}
416 		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
417 		base += ETHTOOL_TXSTATS_NUM;
418 	}
419 }
420 
421 static const char be_priv_flags[][ETH_GSTRING_LEN] = {
422 	"disable-tpe-recovery"
423 };
424 
425 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
426 				uint8_t *data)
427 {
428 	struct be_adapter *adapter = netdev_priv(netdev);
429 	int i, j;
430 
431 	switch (stringset) {
432 	case ETH_SS_STATS:
433 		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
434 			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
435 			data += ETH_GSTRING_LEN;
436 		}
437 		for (i = 0; i < adapter->num_rx_qs; i++) {
438 			for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
439 				sprintf(data, "rxq%d: %s", i,
440 					et_rx_stats[j].desc);
441 				data += ETH_GSTRING_LEN;
442 			}
443 		}
444 		for (i = 0; i < adapter->num_tx_qs; i++) {
445 			for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
446 				sprintf(data, "txq%d: %s", i,
447 					et_tx_stats[j].desc);
448 				data += ETH_GSTRING_LEN;
449 			}
450 		}
451 		break;
452 	case ETH_SS_TEST:
453 		for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
454 			memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
455 			data += ETH_GSTRING_LEN;
456 		}
457 		break;
458 	case ETH_SS_PRIV_FLAGS:
459 		for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
460 			strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
461 		break;
462 	}
463 }
464 
465 static int be_get_sset_count(struct net_device *netdev, int stringset)
466 {
467 	struct be_adapter *adapter = netdev_priv(netdev);
468 
469 	switch (stringset) {
470 	case ETH_SS_TEST:
471 		return ETHTOOL_TESTS_NUM;
472 	case ETH_SS_STATS:
473 		return ETHTOOL_STATS_NUM +
474 			adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
475 			adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
476 	case ETH_SS_PRIV_FLAGS:
477 		return ARRAY_SIZE(be_priv_flags);
478 	default:
479 		return -EINVAL;
480 	}
481 }
482 
483 static u32 be_get_port_type(struct be_adapter *adapter)
484 {
485 	u32 port;
486 
487 	switch (adapter->phy.interface_type) {
488 	case PHY_TYPE_BASET_1GB:
489 	case PHY_TYPE_BASEX_1GB:
490 	case PHY_TYPE_SGMII:
491 		port = PORT_TP;
492 		break;
493 	case PHY_TYPE_SFP_PLUS_10GB:
494 		if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
495 			port = PORT_DA;
496 		else
497 			port = PORT_FIBRE;
498 		break;
499 	case PHY_TYPE_QSFP:
500 		if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
501 			port = PORT_DA;
502 		else
503 			port = PORT_FIBRE;
504 		break;
505 	case PHY_TYPE_XFP_10GB:
506 	case PHY_TYPE_SFP_1GB:
507 		port = PORT_FIBRE;
508 		break;
509 	case PHY_TYPE_BASET_10GB:
510 		port = PORT_TP;
511 		break;
512 	default:
513 		port = PORT_OTHER;
514 	}
515 
516 	return port;
517 }
518 
519 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
520 {
521 	u32 val = 0;
522 
523 	switch (adapter->phy.interface_type) {
524 	case PHY_TYPE_BASET_1GB:
525 	case PHY_TYPE_BASEX_1GB:
526 	case PHY_TYPE_SGMII:
527 		val |= SUPPORTED_TP;
528 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
529 			val |= SUPPORTED_1000baseT_Full;
530 		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
531 			val |= SUPPORTED_100baseT_Full;
532 		if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
533 			val |= SUPPORTED_10baseT_Full;
534 		break;
535 	case PHY_TYPE_KX4_10GB:
536 		val |= SUPPORTED_Backplane;
537 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
538 			val |= SUPPORTED_1000baseKX_Full;
539 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
540 			val |= SUPPORTED_10000baseKX4_Full;
541 		break;
542 	case PHY_TYPE_KR2_20GB:
543 		val |= SUPPORTED_Backplane;
544 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
545 			val |= SUPPORTED_10000baseKR_Full;
546 		if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
547 			val |= SUPPORTED_20000baseKR2_Full;
548 		break;
549 	case PHY_TYPE_KR_10GB:
550 		val |= SUPPORTED_Backplane |
551 				SUPPORTED_10000baseKR_Full;
552 		break;
553 	case PHY_TYPE_KR4_40GB:
554 		val |= SUPPORTED_Backplane;
555 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
556 			val |= SUPPORTED_10000baseKR_Full;
557 		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
558 			val |= SUPPORTED_40000baseKR4_Full;
559 		break;
560 	case PHY_TYPE_QSFP:
561 		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
562 			switch (adapter->phy.cable_type) {
563 			case QSFP_PLUS_CR4_CABLE:
564 				val |= SUPPORTED_40000baseCR4_Full;
565 				break;
566 			case QSFP_PLUS_LR4_CABLE:
567 				val |= SUPPORTED_40000baseLR4_Full;
568 				break;
569 			default:
570 				val |= SUPPORTED_40000baseSR4_Full;
571 				break;
572 			}
573 		}
574 		fallthrough;
575 	case PHY_TYPE_SFP_PLUS_10GB:
576 	case PHY_TYPE_XFP_10GB:
577 	case PHY_TYPE_SFP_1GB:
578 		val |= SUPPORTED_FIBRE;
579 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
580 			val |= SUPPORTED_10000baseT_Full;
581 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
582 			val |= SUPPORTED_1000baseT_Full;
583 		break;
584 	case PHY_TYPE_BASET_10GB:
585 		val |= SUPPORTED_TP;
586 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
587 			val |= SUPPORTED_10000baseT_Full;
588 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
589 			val |= SUPPORTED_1000baseT_Full;
590 		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
591 			val |= SUPPORTED_100baseT_Full;
592 		break;
593 	default:
594 		val |= SUPPORTED_TP;
595 	}
596 
597 	return val;
598 }
599 
600 bool be_pause_supported(struct be_adapter *adapter)
601 {
602 	return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
603 		adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
604 		false : true;
605 }
606 
607 static int be_get_link_ksettings(struct net_device *netdev,
608 				 struct ethtool_link_ksettings *cmd)
609 {
610 	struct be_adapter *adapter = netdev_priv(netdev);
611 	u8 link_status;
612 	u16 link_speed = 0;
613 	int status;
614 	u32 auto_speeds;
615 	u32 fixed_speeds;
616 	u32 supported = 0, advertising = 0;
617 
618 	if (adapter->phy.link_speed < 0) {
619 		status = be_cmd_link_status_query(adapter, &link_speed,
620 						  &link_status, 0);
621 		if (!status)
622 			be_link_status_update(adapter, link_status);
623 		cmd->base.speed = link_speed;
624 
625 		status = be_cmd_get_phy_info(adapter);
626 		if (!status) {
627 			auto_speeds = adapter->phy.auto_speeds_supported;
628 			fixed_speeds = adapter->phy.fixed_speeds_supported;
629 
630 			be_cmd_query_cable_type(adapter);
631 
632 			supported =
633 				convert_to_et_setting(adapter,
634 						      auto_speeds |
635 						      fixed_speeds);
636 			advertising =
637 				convert_to_et_setting(adapter, auto_speeds);
638 
639 			cmd->base.port = be_get_port_type(adapter);
640 
641 			if (adapter->phy.auto_speeds_supported) {
642 				supported |= SUPPORTED_Autoneg;
643 				cmd->base.autoneg = AUTONEG_ENABLE;
644 				advertising |= ADVERTISED_Autoneg;
645 			}
646 
647 			supported |= SUPPORTED_Pause;
648 			if (be_pause_supported(adapter))
649 				advertising |= ADVERTISED_Pause;
650 		} else {
651 			cmd->base.port = PORT_OTHER;
652 			cmd->base.autoneg = AUTONEG_DISABLE;
653 		}
654 
655 		/* Save for future use */
656 		adapter->phy.link_speed = cmd->base.speed;
657 		adapter->phy.port_type = cmd->base.port;
658 		adapter->phy.autoneg = cmd->base.autoneg;
659 		adapter->phy.advertising = advertising;
660 		adapter->phy.supported = supported;
661 	} else {
662 		cmd->base.speed = adapter->phy.link_speed;
663 		cmd->base.port = adapter->phy.port_type;
664 		cmd->base.autoneg = adapter->phy.autoneg;
665 		advertising = adapter->phy.advertising;
666 		supported = adapter->phy.supported;
667 	}
668 
669 	cmd->base.duplex = netif_carrier_ok(netdev) ?
670 		DUPLEX_FULL : DUPLEX_UNKNOWN;
671 	cmd->base.phy_address = adapter->port_num;
672 
673 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
674 						supported);
675 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
676 						advertising);
677 
678 	return 0;
679 }
680 
681 static void be_get_ringparam(struct net_device *netdev,
682 			     struct ethtool_ringparam *ring)
683 {
684 	struct be_adapter *adapter = netdev_priv(netdev);
685 
686 	ring->rx_max_pending = adapter->rx_obj[0].q.len;
687 	ring->rx_pending = adapter->rx_obj[0].q.len;
688 	ring->tx_max_pending = adapter->tx_obj[0].q.len;
689 	ring->tx_pending = adapter->tx_obj[0].q.len;
690 }
691 
692 static void
693 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
694 {
695 	struct be_adapter *adapter = netdev_priv(netdev);
696 
697 	be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
698 	ecmd->autoneg = adapter->phy.fc_autoneg;
699 }
700 
701 static int
702 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
703 {
704 	struct be_adapter *adapter = netdev_priv(netdev);
705 	int status;
706 
707 	if (ecmd->autoneg != adapter->phy.fc_autoneg)
708 		return -EINVAL;
709 
710 	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
711 					 ecmd->rx_pause);
712 	if (status) {
713 		dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
714 		return be_cmd_status(status);
715 	}
716 
717 	adapter->tx_fc = ecmd->tx_pause;
718 	adapter->rx_fc = ecmd->rx_pause;
719 	return 0;
720 }
721 
722 static int be_set_phys_id(struct net_device *netdev,
723 			  enum ethtool_phys_id_state state)
724 {
725 	struct be_adapter *adapter = netdev_priv(netdev);
726 	int status = 0;
727 
728 	switch (state) {
729 	case ETHTOOL_ID_ACTIVE:
730 		status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
731 						 &adapter->beacon_state);
732 		if (status)
733 			return be_cmd_status(status);
734 		return 1;       /* cycle on/off once per second */
735 
736 	case ETHTOOL_ID_ON:
737 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
738 						 0, 0, BEACON_STATE_ENABLED);
739 		break;
740 
741 	case ETHTOOL_ID_OFF:
742 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
743 						 0, 0, BEACON_STATE_DISABLED);
744 		break;
745 
746 	case ETHTOOL_ID_INACTIVE:
747 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
748 						 0, 0, adapter->beacon_state);
749 	}
750 
751 	return be_cmd_status(status);
752 }
753 
754 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
755 {
756 	struct be_adapter *adapter = netdev_priv(netdev);
757 	struct device *dev = &adapter->pdev->dev;
758 	int status;
759 
760 	if (!lancer_chip(adapter) ||
761 	    !check_privilege(adapter, MAX_PRIVILEGES))
762 		return -EOPNOTSUPP;
763 
764 	switch (dump->flag) {
765 	case LANCER_INITIATE_FW_DUMP:
766 		status = lancer_initiate_dump(adapter);
767 		if (!status)
768 			dev_info(dev, "FW dump initiated successfully\n");
769 		break;
770 	case LANCER_DELETE_FW_DUMP:
771 		status = lancer_delete_dump(adapter);
772 		if (!status)
773 			dev_info(dev, "FW dump deleted successfully\n");
774 	break;
775 	default:
776 		dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
777 		return -EINVAL;
778 	}
779 	return status;
780 }
781 
782 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
783 {
784 	struct be_adapter *adapter = netdev_priv(netdev);
785 
786 	if (adapter->wol_cap & BE_WOL_CAP) {
787 		wol->supported |= WAKE_MAGIC;
788 		if (adapter->wol_en)
789 			wol->wolopts |= WAKE_MAGIC;
790 	} else {
791 		wol->wolopts = 0;
792 	}
793 	memset(&wol->sopass, 0, sizeof(wol->sopass));
794 }
795 
796 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
797 {
798 	struct be_adapter *adapter = netdev_priv(netdev);
799 	struct device *dev = &adapter->pdev->dev;
800 	struct be_dma_mem cmd;
801 	u8 mac[ETH_ALEN];
802 	bool enable;
803 	int status;
804 
805 	if (wol->wolopts & ~WAKE_MAGIC)
806 		return -EOPNOTSUPP;
807 
808 	if (!(adapter->wol_cap & BE_WOL_CAP)) {
809 		dev_warn(&adapter->pdev->dev, "WOL not supported\n");
810 		return -EOPNOTSUPP;
811 	}
812 
813 	cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
814 	cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
815 	if (!cmd.va)
816 		return -ENOMEM;
817 
818 	eth_zero_addr(mac);
819 
820 	enable = wol->wolopts & WAKE_MAGIC;
821 	if (enable)
822 		ether_addr_copy(mac, adapter->netdev->dev_addr);
823 
824 	status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
825 	if (status) {
826 		dev_err(dev, "Could not set Wake-on-lan mac address\n");
827 		status = be_cmd_status(status);
828 		goto err;
829 	}
830 
831 	pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
832 	pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
833 
834 	adapter->wol_en = enable ? true : false;
835 
836 err:
837 	dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
838 	return status;
839 }
840 
841 static int be_test_ddr_dma(struct be_adapter *adapter)
842 {
843 	int ret, i;
844 	struct be_dma_mem ddrdma_cmd;
845 	static const u64 pattern[2] = {
846 		0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
847 	};
848 
849 	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
850 	ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
851 					   ddrdma_cmd.size, &ddrdma_cmd.dma,
852 					   GFP_KERNEL);
853 	if (!ddrdma_cmd.va)
854 		return -ENOMEM;
855 
856 	for (i = 0; i < 2; i++) {
857 		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
858 					  4096, &ddrdma_cmd);
859 		if (ret != 0)
860 			goto err;
861 	}
862 
863 err:
864 	dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
865 			  ddrdma_cmd.dma);
866 	return be_cmd_status(ret);
867 }
868 
869 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
870 			    u64 *status)
871 {
872 	int ret;
873 
874 	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
875 				  loopback_type, 1);
876 	if (ret)
877 		return ret;
878 
879 	*status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
880 				       loopback_type, 1500, 2, 0xabc);
881 
882 	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
883 				  BE_NO_LOOPBACK, 1);
884 	if (ret)
885 		return ret;
886 
887 	return *status;
888 }
889 
890 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
891 			 u64 *data)
892 {
893 	struct be_adapter *adapter = netdev_priv(netdev);
894 	int status, cnt;
895 	u8 link_status = 0;
896 
897 	if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
898 		dev_err(&adapter->pdev->dev, "Self test not supported\n");
899 		test->flags |= ETH_TEST_FL_FAILED;
900 		return;
901 	}
902 
903 	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
904 
905 	/* check link status before offline tests */
906 	link_status = netif_carrier_ok(netdev);
907 
908 	if (test->flags & ETH_TEST_FL_OFFLINE) {
909 		if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
910 			test->flags |= ETH_TEST_FL_FAILED;
911 
912 		if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
913 			test->flags |= ETH_TEST_FL_FAILED;
914 
915 		if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
916 			if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
917 					     &data[2]) != 0)
918 				test->flags |= ETH_TEST_FL_FAILED;
919 			test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
920 		}
921 	}
922 
923 	if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
924 		data[3] = 1;
925 		test->flags |= ETH_TEST_FL_FAILED;
926 	}
927 
928 	/* link status was down prior to test */
929 	if (!link_status) {
930 		test->flags |= ETH_TEST_FL_FAILED;
931 		data[4] = 1;
932 		return;
933 	}
934 
935 	for (cnt = 10; cnt; cnt--) {
936 		status = be_cmd_link_status_query(adapter, NULL, &link_status,
937 						  0);
938 		if (status) {
939 			test->flags |= ETH_TEST_FL_FAILED;
940 			data[4] = -1;
941 			break;
942 		}
943 
944 		if (link_status)
945 			break;
946 
947 		msleep_interruptible(500);
948 	}
949 }
950 
951 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
952 {
953 	struct be_adapter *adapter = netdev_priv(netdev);
954 
955 	return be_load_fw(adapter, efl->data);
956 }
957 
958 static int
959 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
960 {
961 	struct be_adapter *adapter = netdev_priv(netdev);
962 
963 	if (!check_privilege(adapter, MAX_PRIVILEGES))
964 		return -EOPNOTSUPP;
965 
966 	dump->len = be_get_dump_len(adapter);
967 	dump->version = 1;
968 	dump->flag = 0x1;	/* FW dump is enabled */
969 	return 0;
970 }
971 
972 static int
973 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
974 		 void *buf)
975 {
976 	struct be_adapter *adapter = netdev_priv(netdev);
977 	int status;
978 
979 	if (!check_privilege(adapter, MAX_PRIVILEGES))
980 		return -EOPNOTSUPP;
981 
982 	status = be_read_dump_data(adapter, dump->len, buf);
983 	return be_cmd_status(status);
984 }
985 
986 static int be_get_eeprom_len(struct net_device *netdev)
987 {
988 	struct be_adapter *adapter = netdev_priv(netdev);
989 
990 	if (!check_privilege(adapter, MAX_PRIVILEGES))
991 		return 0;
992 
993 	if (lancer_chip(adapter)) {
994 		if (be_physfn(adapter))
995 			return lancer_cmd_get_file_len(adapter,
996 						       LANCER_VPD_PF_FILE);
997 		else
998 			return lancer_cmd_get_file_len(adapter,
999 						       LANCER_VPD_VF_FILE);
1000 	} else {
1001 		return BE_READ_SEEPROM_LEN;
1002 	}
1003 }
1004 
1005 static int be_read_eeprom(struct net_device *netdev,
1006 			  struct ethtool_eeprom *eeprom, uint8_t *data)
1007 {
1008 	struct be_adapter *adapter = netdev_priv(netdev);
1009 	struct be_dma_mem eeprom_cmd;
1010 	struct be_cmd_resp_seeprom_read *resp;
1011 	int status;
1012 
1013 	if (!eeprom->len)
1014 		return -EINVAL;
1015 
1016 	if (lancer_chip(adapter)) {
1017 		if (be_physfn(adapter))
1018 			return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1019 						    eeprom->len, data);
1020 		else
1021 			return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1022 						    eeprom->len, data);
1023 	}
1024 
1025 	eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1026 
1027 	memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1028 	eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1029 	eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1030 					   eeprom_cmd.size, &eeprom_cmd.dma,
1031 					   GFP_KERNEL);
1032 
1033 	if (!eeprom_cmd.va)
1034 		return -ENOMEM;
1035 
1036 	status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1037 
1038 	if (!status) {
1039 		resp = eeprom_cmd.va;
1040 		memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1041 	}
1042 	dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1043 			  eeprom_cmd.dma);
1044 
1045 	return be_cmd_status(status);
1046 }
1047 
1048 static u32 be_get_msg_level(struct net_device *netdev)
1049 {
1050 	struct be_adapter *adapter = netdev_priv(netdev);
1051 
1052 	return adapter->msg_enable;
1053 }
1054 
1055 static void be_set_msg_level(struct net_device *netdev, u32 level)
1056 {
1057 	struct be_adapter *adapter = netdev_priv(netdev);
1058 
1059 	if (adapter->msg_enable == level)
1060 		return;
1061 
1062 	if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1063 		if (BEx_chip(adapter))
1064 			be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1065 						FW_LOG_LEVEL_DEFAULT :
1066 						FW_LOG_LEVEL_FATAL);
1067 	adapter->msg_enable = level;
1068 }
1069 
1070 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1071 {
1072 	u64 data = 0;
1073 
1074 	switch (flow_type) {
1075 	case TCP_V4_FLOW:
1076 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1077 			data |= RXH_IP_DST | RXH_IP_SRC;
1078 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1079 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1080 		break;
1081 	case UDP_V4_FLOW:
1082 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1083 			data |= RXH_IP_DST | RXH_IP_SRC;
1084 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1085 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1086 		break;
1087 	case TCP_V6_FLOW:
1088 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1089 			data |= RXH_IP_DST | RXH_IP_SRC;
1090 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1091 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1092 		break;
1093 	case UDP_V6_FLOW:
1094 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1095 			data |= RXH_IP_DST | RXH_IP_SRC;
1096 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1097 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1098 		break;
1099 	}
1100 
1101 	return data;
1102 }
1103 
1104 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1105 			u32 *rule_locs)
1106 {
1107 	struct be_adapter *adapter = netdev_priv(netdev);
1108 
1109 	if (!be_multi_rxq(adapter)) {
1110 		dev_info(&adapter->pdev->dev,
1111 			 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1112 		return -EINVAL;
1113 	}
1114 
1115 	switch (cmd->cmd) {
1116 	case ETHTOOL_GRXFH:
1117 		cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1118 		break;
1119 	case ETHTOOL_GRXRINGS:
1120 		cmd->data = adapter->num_rx_qs;
1121 		break;
1122 	default:
1123 		return -EINVAL;
1124 	}
1125 
1126 	return 0;
1127 }
1128 
1129 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1130 				struct ethtool_rxnfc *cmd)
1131 {
1132 	int status;
1133 	u32 rss_flags = adapter->rss_info.rss_flags;
1134 
1135 	if (cmd->data != L3_RSS_FLAGS &&
1136 	    cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1137 		return -EINVAL;
1138 
1139 	switch (cmd->flow_type) {
1140 	case TCP_V4_FLOW:
1141 		if (cmd->data == L3_RSS_FLAGS)
1142 			rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1143 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1144 			rss_flags |= RSS_ENABLE_IPV4 |
1145 					RSS_ENABLE_TCP_IPV4;
1146 		break;
1147 	case TCP_V6_FLOW:
1148 		if (cmd->data == L3_RSS_FLAGS)
1149 			rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1150 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1151 			rss_flags |= RSS_ENABLE_IPV6 |
1152 					RSS_ENABLE_TCP_IPV6;
1153 		break;
1154 	case UDP_V4_FLOW:
1155 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1156 		    BEx_chip(adapter))
1157 			return -EINVAL;
1158 
1159 		if (cmd->data == L3_RSS_FLAGS)
1160 			rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1161 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1162 			rss_flags |= RSS_ENABLE_IPV4 |
1163 					RSS_ENABLE_UDP_IPV4;
1164 		break;
1165 	case UDP_V6_FLOW:
1166 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1167 		    BEx_chip(adapter))
1168 			return -EINVAL;
1169 
1170 		if (cmd->data == L3_RSS_FLAGS)
1171 			rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1172 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1173 			rss_flags |= RSS_ENABLE_IPV6 |
1174 					RSS_ENABLE_UDP_IPV6;
1175 		break;
1176 	default:
1177 		return -EINVAL;
1178 	}
1179 
1180 	if (rss_flags == adapter->rss_info.rss_flags)
1181 		return 0;
1182 
1183 	status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1184 				   rss_flags, RSS_INDIR_TABLE_LEN,
1185 				   adapter->rss_info.rss_hkey);
1186 	if (!status)
1187 		adapter->rss_info.rss_flags = rss_flags;
1188 
1189 	return be_cmd_status(status);
1190 }
1191 
1192 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1193 {
1194 	struct be_adapter *adapter = netdev_priv(netdev);
1195 	int status = 0;
1196 
1197 	if (!be_multi_rxq(adapter)) {
1198 		dev_err(&adapter->pdev->dev,
1199 			"ethtool::set_rxnfc: RX flow hashing is disabled\n");
1200 		return -EINVAL;
1201 	}
1202 
1203 	switch (cmd->cmd) {
1204 	case ETHTOOL_SRXFH:
1205 		status = be_set_rss_hash_opts(adapter, cmd);
1206 		break;
1207 	default:
1208 		return -EINVAL;
1209 	}
1210 
1211 	return status;
1212 }
1213 
1214 static void be_get_channels(struct net_device *netdev,
1215 			    struct ethtool_channels *ch)
1216 {
1217 	struct be_adapter *adapter = netdev_priv(netdev);
1218 	u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1219 
1220 	/* num_tx_qs is always same as the number of irqs used for TX */
1221 	ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1222 	ch->rx_count = num_rx_irqs - ch->combined_count;
1223 	ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1224 
1225 	ch->max_combined = be_max_qp_irqs(adapter);
1226 	/* The user must create atleast one combined channel */
1227 	ch->max_rx = be_max_rx_irqs(adapter) - 1;
1228 	ch->max_tx = be_max_tx_irqs(adapter) - 1;
1229 }
1230 
1231 static int be_set_channels(struct net_device  *netdev,
1232 			   struct ethtool_channels *ch)
1233 {
1234 	struct be_adapter *adapter = netdev_priv(netdev);
1235 	int status;
1236 
1237 	/* we support either only combined channels or a combination of
1238 	 * combined and either RX-only or TX-only channels.
1239 	 */
1240 	if (ch->other_count || !ch->combined_count ||
1241 	    (ch->rx_count && ch->tx_count))
1242 		return -EINVAL;
1243 
1244 	if (ch->combined_count > be_max_qp_irqs(adapter) ||
1245 	    (ch->rx_count &&
1246 	     (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1247 	    (ch->tx_count &&
1248 	     (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1249 		return -EINVAL;
1250 
1251 	adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1252 	adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1253 
1254 	status = be_update_queues(adapter);
1255 	return be_cmd_status(status);
1256 }
1257 
1258 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1259 {
1260 	return RSS_INDIR_TABLE_LEN;
1261 }
1262 
1263 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1264 {
1265 	return RSS_HASH_KEY_LEN;
1266 }
1267 
1268 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1269 		       u8 *hfunc)
1270 {
1271 	struct be_adapter *adapter = netdev_priv(netdev);
1272 	int i;
1273 	struct rss_info *rss = &adapter->rss_info;
1274 
1275 	if (indir) {
1276 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1277 			indir[i] = rss->rss_queue[i];
1278 	}
1279 
1280 	if (hkey)
1281 		memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1282 
1283 	if (hfunc)
1284 		*hfunc = ETH_RSS_HASH_TOP;
1285 
1286 	return 0;
1287 }
1288 
1289 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1290 		       const u8 *hkey, const u8 hfunc)
1291 {
1292 	int rc = 0, i, j;
1293 	struct be_adapter *adapter = netdev_priv(netdev);
1294 	u8 rsstable[RSS_INDIR_TABLE_LEN];
1295 
1296 	/* We do not allow change in unsupported parameters */
1297 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1298 		return -EOPNOTSUPP;
1299 
1300 	if (indir) {
1301 		struct be_rx_obj *rxo;
1302 
1303 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1304 			j = indir[i];
1305 			rxo = &adapter->rx_obj[j];
1306 			rsstable[i] = rxo->rss_id;
1307 			adapter->rss_info.rss_queue[i] = j;
1308 		}
1309 	} else {
1310 		memcpy(rsstable, adapter->rss_info.rsstable,
1311 		       RSS_INDIR_TABLE_LEN);
1312 	}
1313 
1314 	if (!hkey)
1315 		hkey =  adapter->rss_info.rss_hkey;
1316 
1317 	rc = be_cmd_rss_config(adapter, rsstable,
1318 			       adapter->rss_info.rss_flags,
1319 			       RSS_INDIR_TABLE_LEN, hkey);
1320 	if (rc) {
1321 		adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1322 		return -EIO;
1323 	}
1324 	memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1325 	memcpy(adapter->rss_info.rsstable, rsstable,
1326 	       RSS_INDIR_TABLE_LEN);
1327 	return 0;
1328 }
1329 
1330 static int be_get_module_info(struct net_device *netdev,
1331 			      struct ethtool_modinfo *modinfo)
1332 {
1333 	struct be_adapter *adapter = netdev_priv(netdev);
1334 	u8 page_data[PAGE_DATA_LEN];
1335 	int status;
1336 
1337 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1338 		return -EOPNOTSUPP;
1339 
1340 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1341 						   page_data);
1342 	if (!status) {
1343 		if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1344 			modinfo->type = ETH_MODULE_SFF_8079;
1345 			modinfo->eeprom_len = PAGE_DATA_LEN;
1346 		} else {
1347 			modinfo->type = ETH_MODULE_SFF_8472;
1348 			modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1349 		}
1350 	}
1351 	return be_cmd_status(status);
1352 }
1353 
1354 static int be_get_module_eeprom(struct net_device *netdev,
1355 				struct ethtool_eeprom *eeprom, u8 *data)
1356 {
1357 	struct be_adapter *adapter = netdev_priv(netdev);
1358 	int status;
1359 
1360 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1361 		return -EOPNOTSUPP;
1362 
1363 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1364 						   data);
1365 	if (status)
1366 		goto err;
1367 
1368 	if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1369 		status = be_cmd_read_port_transceiver_data(adapter,
1370 							   TR_PAGE_A2,
1371 							   data +
1372 							   PAGE_DATA_LEN);
1373 		if (status)
1374 			goto err;
1375 	}
1376 	if (eeprom->offset)
1377 		memcpy(data, data + eeprom->offset, eeprom->len);
1378 err:
1379 	return be_cmd_status(status);
1380 }
1381 
1382 static u32 be_get_priv_flags(struct net_device *netdev)
1383 {
1384 	struct be_adapter *adapter = netdev_priv(netdev);
1385 
1386 	return adapter->priv_flags;
1387 }
1388 
1389 static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1390 {
1391 	struct be_adapter *adapter = netdev_priv(netdev);
1392 	bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1393 	bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1394 
1395 	if (tpe_old != tpe_new) {
1396 		if (tpe_new) {
1397 			adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1398 			dev_info(&adapter->pdev->dev,
1399 				 "HW error recovery is disabled\n");
1400 		} else {
1401 			adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1402 			dev_info(&adapter->pdev->dev,
1403 				 "HW error recovery is enabled\n");
1404 		}
1405 	}
1406 
1407 	return 0;
1408 }
1409 
1410 const struct ethtool_ops be_ethtool_ops = {
1411 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1412 				     ETHTOOL_COALESCE_USE_ADAPTIVE |
1413 				     ETHTOOL_COALESCE_USECS_LOW_HIGH,
1414 	.get_drvinfo = be_get_drvinfo,
1415 	.get_wol = be_get_wol,
1416 	.set_wol = be_set_wol,
1417 	.get_link = ethtool_op_get_link,
1418 	.get_eeprom_len = be_get_eeprom_len,
1419 	.get_eeprom = be_read_eeprom,
1420 	.get_coalesce = be_get_coalesce,
1421 	.set_coalesce = be_set_coalesce,
1422 	.get_ringparam = be_get_ringparam,
1423 	.get_pauseparam = be_get_pauseparam,
1424 	.set_pauseparam = be_set_pauseparam,
1425 	.set_priv_flags = be_set_priv_flags,
1426 	.get_priv_flags = be_get_priv_flags,
1427 	.get_strings = be_get_stat_strings,
1428 	.set_phys_id = be_set_phys_id,
1429 	.set_dump = be_set_dump,
1430 	.get_msglevel = be_get_msg_level,
1431 	.set_msglevel = be_set_msg_level,
1432 	.get_sset_count = be_get_sset_count,
1433 	.get_ethtool_stats = be_get_ethtool_stats,
1434 	.flash_device = be_do_flash,
1435 	.self_test = be_self_test,
1436 	.get_rxnfc = be_get_rxnfc,
1437 	.set_rxnfc = be_set_rxnfc,
1438 	.get_rxfh_indir_size = be_get_rxfh_indir_size,
1439 	.get_rxfh_key_size = be_get_rxfh_key_size,
1440 	.get_rxfh = be_get_rxfh,
1441 	.set_rxfh = be_set_rxfh,
1442 	.get_dump_flag = be_get_dump_flag,
1443 	.get_dump_data = be_get_dump_data,
1444 	.get_channels = be_get_channels,
1445 	.set_channels = be_set_channels,
1446 	.get_module_info = be_get_module_info,
1447 	.get_module_eeprom = be_get_module_eeprom,
1448 	.get_link_ksettings = be_get_link_ksettings,
1449 };
1450