1 /*
2  * Copyright (C) 2005 - 2015 Emulex
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation.  The full GNU General
8  * Public License is included in this distribution in the file called COPYING.
9  *
10  * Contact Information:
11  * linux-drivers@emulex.com
12  *
13  * Emulex
14  * 3333 Susan Street
15  * Costa Mesa, CA 92626
16  */
17 
18 #include "be.h"
19 #include "be_cmds.h"
20 #include <linux/ethtool.h>
21 
22 struct be_ethtool_stat {
23 	char desc[ETH_GSTRING_LEN];
24 	int type;
25 	int size;
26 	int offset;
27 };
28 
29 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
30 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
31 					offsetof(_struct, field)
32 #define DRVSTAT_TX_INFO(field)	#field, DRVSTAT_TX,\
33 					FIELDINFO(struct be_tx_stats, field)
34 #define DRVSTAT_RX_INFO(field)	#field, DRVSTAT_RX,\
35 					FIELDINFO(struct be_rx_stats, field)
36 #define	DRVSTAT_INFO(field)	#field, DRVSTAT,\
37 					FIELDINFO(struct be_drv_stats, field)
38 
39 static const struct be_ethtool_stat et_stats[] = {
40 	{DRVSTAT_INFO(rx_crc_errors)},
41 	{DRVSTAT_INFO(rx_alignment_symbol_errors)},
42 	{DRVSTAT_INFO(rx_pause_frames)},
43 	{DRVSTAT_INFO(rx_control_frames)},
44 	/* Received packets dropped when the Ethernet length field
45 	 * is not equal to the actual Ethernet data length.
46 	 */
47 	{DRVSTAT_INFO(rx_in_range_errors)},
48 	/* Received packets dropped when their length field is >= 1501 bytes
49 	 * and <= 1535 bytes.
50 	 */
51 	{DRVSTAT_INFO(rx_out_range_errors)},
52 	/* Received packets dropped when they are longer than 9216 bytes */
53 	{DRVSTAT_INFO(rx_frame_too_long)},
54 	/* Received packets dropped when they don't pass the unicast or
55 	 * multicast address filtering.
56 	 */
57 	{DRVSTAT_INFO(rx_address_filtered)},
58 	/* Received packets dropped when IP packet length field is less than
59 	 * the IP header length field.
60 	 */
61 	{DRVSTAT_INFO(rx_dropped_too_small)},
62 	/* Received packets dropped when IP length field is greater than
63 	 * the actual packet length.
64 	 */
65 	{DRVSTAT_INFO(rx_dropped_too_short)},
66 	/* Received packets dropped when the IP header length field is less
67 	 * than 5.
68 	 */
69 	{DRVSTAT_INFO(rx_dropped_header_too_small)},
70 	/* Received packets dropped when the TCP header length field is less
71 	 * than 5 or the TCP header length + IP header length is more
72 	 * than IP packet length.
73 	 */
74 	{DRVSTAT_INFO(rx_dropped_tcp_length)},
75 	{DRVSTAT_INFO(rx_dropped_runt)},
76 	/* Number of received packets dropped when a fifo for descriptors going
77 	 * into the packet demux block overflows. In normal operation, this
78 	 * fifo must never overflow.
79 	 */
80 	{DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
81 	/* Received packets dropped when the RX block runs out of space in
82 	 * one of its input FIFOs. This could happen due a long burst of
83 	 * minimum-sized (64b) frames in the receive path.
84 	 * This counter may also be erroneously incremented rarely.
85 	 */
86 	{DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
87 	{DRVSTAT_INFO(rx_ip_checksum_errs)},
88 	{DRVSTAT_INFO(rx_tcp_checksum_errs)},
89 	{DRVSTAT_INFO(rx_udp_checksum_errs)},
90 	{DRVSTAT_INFO(tx_pauseframes)},
91 	{DRVSTAT_INFO(tx_controlframes)},
92 	{DRVSTAT_INFO(rx_priority_pause_frames)},
93 	{DRVSTAT_INFO(tx_priority_pauseframes)},
94 	/* Received packets dropped when an internal fifo going into
95 	 * main packet buffer tank (PMEM) overflows.
96 	 */
97 	{DRVSTAT_INFO(pmem_fifo_overflow_drop)},
98 	{DRVSTAT_INFO(jabber_events)},
99 	/* Received packets dropped due to lack of available HW packet buffers
100 	 * used to temporarily hold the received packets.
101 	 */
102 	{DRVSTAT_INFO(rx_drops_no_pbuf)},
103 	/* Received packets dropped due to input receive buffer
104 	 * descriptor fifo overflowing.
105 	 */
106 	{DRVSTAT_INFO(rx_drops_no_erx_descr)},
107 	/* Packets dropped because the internal FIFO to the offloaded TCP
108 	 * receive processing block is full. This could happen only for
109 	 * offloaded iSCSI or FCoE trarffic.
110 	 */
111 	{DRVSTAT_INFO(rx_drops_no_tpre_descr)},
112 	/* Received packets dropped when they need more than 8
113 	 * receive buffers. This cannot happen as the driver configures
114 	 * 2048 byte receive buffers.
115 	 */
116 	{DRVSTAT_INFO(rx_drops_too_many_frags)},
117 	{DRVSTAT_INFO(forwarded_packets)},
118 	/* Received packets dropped when the frame length
119 	 * is more than 9018 bytes
120 	 */
121 	{DRVSTAT_INFO(rx_drops_mtu)},
122 	/* Number of dma mapping errors */
123 	{DRVSTAT_INFO(dma_map_errors)},
124 	/* Number of packets dropped due to random early drop function */
125 	{DRVSTAT_INFO(eth_red_drops)},
126 	{DRVSTAT_INFO(rx_roce_bytes_lsd)},
127 	{DRVSTAT_INFO(rx_roce_bytes_msd)},
128 	{DRVSTAT_INFO(rx_roce_frames)},
129 	{DRVSTAT_INFO(roce_drops_payload_len)},
130 	{DRVSTAT_INFO(roce_drops_crc)}
131 };
132 
133 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
134 
135 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
136  * are first and second members respectively.
137  */
138 static const struct be_ethtool_stat et_rx_stats[] = {
139 	{DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
140 	{DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
141 	{DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
142 	{DRVSTAT_RX_INFO(rx_compl)},
143 	{DRVSTAT_RX_INFO(rx_compl_err)},
144 	{DRVSTAT_RX_INFO(rx_mcast_pkts)},
145 	/* Number of page allocation failures while posting receive buffers
146 	 * to HW.
147 	 */
148 	{DRVSTAT_RX_INFO(rx_post_fail)},
149 	/* Recevied packets dropped due to skb allocation failure */
150 	{DRVSTAT_RX_INFO(rx_drops_no_skbs)},
151 	/* Received packets dropped due to lack of available fetched buffers
152 	 * posted by the driver.
153 	 */
154 	{DRVSTAT_RX_INFO(rx_drops_no_frags)}
155 };
156 
157 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
158 
159 /* Stats related to multi TX queues: get_stats routine assumes compl is the
160  * first member
161  */
162 static const struct be_ethtool_stat et_tx_stats[] = {
163 	{DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
164 	/* This counter is incremented when the HW encounters an error while
165 	 * parsing the packet header of an outgoing TX request. This counter is
166 	 * applicable only for BE2, BE3 and Skyhawk based adapters.
167 	 */
168 	{DRVSTAT_TX_INFO(tx_hdr_parse_err)},
169 	/* This counter is incremented when an error occurs in the DMA
170 	 * operation associated with the TX request from the host to the device.
171 	 */
172 	{DRVSTAT_TX_INFO(tx_dma_err)},
173 	/* This counter is incremented when MAC or VLAN spoof checking is
174 	 * enabled on the interface and the TX request fails the spoof check
175 	 * in HW.
176 	 */
177 	{DRVSTAT_TX_INFO(tx_spoof_check_err)},
178 	/* This counter is incremented when the HW encounters an error while
179 	 * performing TSO offload. This counter is applicable only for Lancer
180 	 * adapters.
181 	 */
182 	{DRVSTAT_TX_INFO(tx_tso_err)},
183 	/* This counter is incremented when the HW detects Q-in-Q style VLAN
184 	 * tagging in a packet and such tagging is not expected on the outgoing
185 	 * interface. This counter is applicable only for Lancer adapters.
186 	 */
187 	{DRVSTAT_TX_INFO(tx_qinq_err)},
188 	/* This counter is incremented when the HW detects parity errors in the
189 	 * packet data. This counter is applicable only for Lancer adapters.
190 	 */
191 	{DRVSTAT_TX_INFO(tx_internal_parity_err)},
192 	{DRVSTAT_TX_INFO(tx_bytes)},
193 	{DRVSTAT_TX_INFO(tx_pkts)},
194 	{DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
195 	/* Number of skbs queued for trasmission by the driver */
196 	{DRVSTAT_TX_INFO(tx_reqs)},
197 	/* Number of times the TX queue was stopped due to lack
198 	 * of spaces in the TXQ.
199 	 */
200 	{DRVSTAT_TX_INFO(tx_stops)},
201 	/* Pkts dropped in the driver's transmit path */
202 	{DRVSTAT_TX_INFO(tx_drv_drops)}
203 };
204 
205 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
206 
207 static const char et_self_tests[][ETH_GSTRING_LEN] = {
208 	"MAC Loopback test",
209 	"PHY Loopback test",
210 	"External Loopback test",
211 	"DDR DMA test",
212 	"Link test"
213 };
214 
215 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
216 #define BE_MAC_LOOPBACK 0x0
217 #define BE_PHY_LOOPBACK 0x1
218 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
219 #define BE_NO_LOOPBACK 0xff
220 
221 static void be_get_drvinfo(struct net_device *netdev,
222 			   struct ethtool_drvinfo *drvinfo)
223 {
224 	struct be_adapter *adapter = netdev_priv(netdev);
225 
226 	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
227 	strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
228 	if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
229 		strlcpy(drvinfo->fw_version, adapter->fw_ver,
230 			sizeof(drvinfo->fw_version));
231 	else
232 		snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
233 			 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
234 
235 	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
236 		sizeof(drvinfo->bus_info));
237 }
238 
239 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
240 {
241 	u32 data_read = 0, eof;
242 	u8 addn_status;
243 	struct be_dma_mem data_len_cmd;
244 	int status;
245 
246 	memset(&data_len_cmd, 0, sizeof(data_len_cmd));
247 	/* data_offset and data_size should be 0 to get reg len */
248 	status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
249 					file_name, &data_read, &eof,
250 					&addn_status);
251 
252 	return data_read;
253 }
254 
255 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
256 				u32 buf_len, void *buf)
257 {
258 	struct be_dma_mem read_cmd;
259 	u32 read_len = 0, total_read_len = 0, chunk_size;
260 	u32 eof = 0;
261 	u8 addn_status;
262 	int status = 0;
263 
264 	read_cmd.size = LANCER_READ_FILE_CHUNK;
265 	read_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, read_cmd.size,
266 					  &read_cmd.dma, GFP_ATOMIC);
267 
268 	if (!read_cmd.va) {
269 		dev_err(&adapter->pdev->dev,
270 			"Memory allocation failure while reading dump\n");
271 		return -ENOMEM;
272 	}
273 
274 	while ((total_read_len < buf_len) && !eof) {
275 		chunk_size = min_t(u32, (buf_len - total_read_len),
276 				   LANCER_READ_FILE_CHUNK);
277 		chunk_size = ALIGN(chunk_size, 4);
278 		status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
279 						total_read_len, file_name,
280 						&read_len, &eof, &addn_status);
281 		if (!status) {
282 			memcpy(buf + total_read_len, read_cmd.va, read_len);
283 			total_read_len += read_len;
284 			eof &= LANCER_READ_FILE_EOF_MASK;
285 		} else {
286 			status = -EIO;
287 			break;
288 		}
289 	}
290 	dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
291 			  read_cmd.dma);
292 
293 	return status;
294 }
295 
296 static int be_get_reg_len(struct net_device *netdev)
297 {
298 	struct be_adapter *adapter = netdev_priv(netdev);
299 	u32 log_size = 0;
300 
301 	if (!check_privilege(adapter, MAX_PRIVILEGES))
302 		return 0;
303 
304 	if (be_physfn(adapter)) {
305 		if (lancer_chip(adapter))
306 			log_size = lancer_cmd_get_file_len(adapter,
307 							   LANCER_FW_DUMP_FILE);
308 		else
309 			be_cmd_get_reg_len(adapter, &log_size);
310 	}
311 	return log_size;
312 }
313 
314 static void
315 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
316 {
317 	struct be_adapter *adapter = netdev_priv(netdev);
318 
319 	if (be_physfn(adapter)) {
320 		memset(buf, 0, regs->len);
321 		if (lancer_chip(adapter))
322 			lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
323 					     regs->len, buf);
324 		else
325 			be_cmd_get_regs(adapter, regs->len, buf);
326 	}
327 }
328 
329 static int be_get_coalesce(struct net_device *netdev,
330 			   struct ethtool_coalesce *et)
331 {
332 	struct be_adapter *adapter = netdev_priv(netdev);
333 	struct be_aic_obj *aic = &adapter->aic_obj[0];
334 
335 	et->rx_coalesce_usecs = aic->prev_eqd;
336 	et->rx_coalesce_usecs_high = aic->max_eqd;
337 	et->rx_coalesce_usecs_low = aic->min_eqd;
338 
339 	et->tx_coalesce_usecs = aic->prev_eqd;
340 	et->tx_coalesce_usecs_high = aic->max_eqd;
341 	et->tx_coalesce_usecs_low = aic->min_eqd;
342 
343 	et->use_adaptive_rx_coalesce = aic->enable;
344 	et->use_adaptive_tx_coalesce = aic->enable;
345 
346 	return 0;
347 }
348 
349 /* TX attributes are ignored. Only RX attributes are considered
350  * eqd cmd is issued in the worker thread.
351  */
352 static int be_set_coalesce(struct net_device *netdev,
353 			   struct ethtool_coalesce *et)
354 {
355 	struct be_adapter *adapter = netdev_priv(netdev);
356 	struct be_aic_obj *aic = &adapter->aic_obj[0];
357 	struct be_eq_obj *eqo;
358 	int i;
359 
360 	for_all_evt_queues(adapter, eqo, i) {
361 		aic->enable = et->use_adaptive_rx_coalesce;
362 		aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
363 		aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
364 		aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
365 		aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
366 		aic++;
367 	}
368 
369 	/* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
370 	 * When AIC is disabled, persistently force set EQD value via the
371 	 * FW cmd, so that we don't have to calculate the delay multiplier
372 	 * encode value each time EQ_DB is rung
373 	 */
374 	if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
375 		be_eqd_update(adapter, true);
376 
377 	return 0;
378 }
379 
380 static void be_get_ethtool_stats(struct net_device *netdev,
381 				 struct ethtool_stats *stats, uint64_t *data)
382 {
383 	struct be_adapter *adapter = netdev_priv(netdev);
384 	struct be_rx_obj *rxo;
385 	struct be_tx_obj *txo;
386 	void *p;
387 	unsigned int i, j, base = 0, start;
388 
389 	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
390 		p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
391 		data[i] = *(u32 *)p;
392 	}
393 	base += ETHTOOL_STATS_NUM;
394 
395 	for_all_rx_queues(adapter, rxo, j) {
396 		struct be_rx_stats *stats = rx_stats(rxo);
397 
398 		do {
399 			start = u64_stats_fetch_begin_irq(&stats->sync);
400 			data[base] = stats->rx_bytes;
401 			data[base + 1] = stats->rx_pkts;
402 		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
403 
404 		for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
405 			p = (u8 *)stats + et_rx_stats[i].offset;
406 			data[base + i] = *(u32 *)p;
407 		}
408 		base += ETHTOOL_RXSTATS_NUM;
409 	}
410 
411 	for_all_tx_queues(adapter, txo, j) {
412 		struct be_tx_stats *stats = tx_stats(txo);
413 
414 		do {
415 			start = u64_stats_fetch_begin_irq(&stats->sync_compl);
416 			data[base] = stats->tx_compl;
417 		} while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
418 
419 		do {
420 			start = u64_stats_fetch_begin_irq(&stats->sync);
421 			for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
422 				p = (u8 *)stats + et_tx_stats[i].offset;
423 				data[base + i] =
424 					(et_tx_stats[i].size == sizeof(u64)) ?
425 						*(u64 *)p : *(u32 *)p;
426 			}
427 		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
428 		base += ETHTOOL_TXSTATS_NUM;
429 	}
430 }
431 
432 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
433 				uint8_t *data)
434 {
435 	struct be_adapter *adapter = netdev_priv(netdev);
436 	int i, j;
437 
438 	switch (stringset) {
439 	case ETH_SS_STATS:
440 		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
441 			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
442 			data += ETH_GSTRING_LEN;
443 		}
444 		for (i = 0; i < adapter->num_rx_qs; i++) {
445 			for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
446 				sprintf(data, "rxq%d: %s", i,
447 					et_rx_stats[j].desc);
448 				data += ETH_GSTRING_LEN;
449 			}
450 		}
451 		for (i = 0; i < adapter->num_tx_qs; i++) {
452 			for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
453 				sprintf(data, "txq%d: %s", i,
454 					et_tx_stats[j].desc);
455 				data += ETH_GSTRING_LEN;
456 			}
457 		}
458 		break;
459 	case ETH_SS_TEST:
460 		for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
461 			memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
462 			data += ETH_GSTRING_LEN;
463 		}
464 		break;
465 	}
466 }
467 
468 static int be_get_sset_count(struct net_device *netdev, int stringset)
469 {
470 	struct be_adapter *adapter = netdev_priv(netdev);
471 
472 	switch (stringset) {
473 	case ETH_SS_TEST:
474 		return ETHTOOL_TESTS_NUM;
475 	case ETH_SS_STATS:
476 		return ETHTOOL_STATS_NUM +
477 			adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
478 			adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
479 	default:
480 		return -EINVAL;
481 	}
482 }
483 
484 static u32 be_get_port_type(struct be_adapter *adapter)
485 {
486 	u32 port;
487 
488 	switch (adapter->phy.interface_type) {
489 	case PHY_TYPE_BASET_1GB:
490 	case PHY_TYPE_BASEX_1GB:
491 	case PHY_TYPE_SGMII:
492 		port = PORT_TP;
493 		break;
494 	case PHY_TYPE_SFP_PLUS_10GB:
495 		if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
496 			port = PORT_DA;
497 		else
498 			port = PORT_FIBRE;
499 		break;
500 	case PHY_TYPE_QSFP:
501 		if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
502 			port = PORT_DA;
503 		else
504 			port = PORT_FIBRE;
505 		break;
506 	case PHY_TYPE_XFP_10GB:
507 	case PHY_TYPE_SFP_1GB:
508 		port = PORT_FIBRE;
509 		break;
510 	case PHY_TYPE_BASET_10GB:
511 		port = PORT_TP;
512 		break;
513 	default:
514 		port = PORT_OTHER;
515 	}
516 
517 	return port;
518 }
519 
520 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
521 {
522 	u32 val = 0;
523 
524 	switch (adapter->phy.interface_type) {
525 	case PHY_TYPE_BASET_1GB:
526 	case PHY_TYPE_BASEX_1GB:
527 	case PHY_TYPE_SGMII:
528 		val |= SUPPORTED_TP;
529 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
530 			val |= SUPPORTED_1000baseT_Full;
531 		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
532 			val |= SUPPORTED_100baseT_Full;
533 		if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
534 			val |= SUPPORTED_10baseT_Full;
535 		break;
536 	case PHY_TYPE_KX4_10GB:
537 		val |= SUPPORTED_Backplane;
538 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
539 			val |= SUPPORTED_1000baseKX_Full;
540 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
541 			val |= SUPPORTED_10000baseKX4_Full;
542 		break;
543 	case PHY_TYPE_KR2_20GB:
544 		val |= SUPPORTED_Backplane;
545 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
546 			val |= SUPPORTED_10000baseKR_Full;
547 		if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
548 			val |= SUPPORTED_20000baseKR2_Full;
549 		break;
550 	case PHY_TYPE_KR_10GB:
551 		val |= SUPPORTED_Backplane |
552 				SUPPORTED_10000baseKR_Full;
553 		break;
554 	case PHY_TYPE_KR4_40GB:
555 		val |= SUPPORTED_Backplane;
556 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
557 			val |= SUPPORTED_10000baseKR_Full;
558 		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
559 			val |= SUPPORTED_40000baseKR4_Full;
560 		break;
561 	case PHY_TYPE_QSFP:
562 		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
563 			switch (adapter->phy.cable_type) {
564 			case QSFP_PLUS_CR4_CABLE:
565 				val |= SUPPORTED_40000baseCR4_Full;
566 				break;
567 			case QSFP_PLUS_LR4_CABLE:
568 				val |= SUPPORTED_40000baseLR4_Full;
569 				break;
570 			default:
571 				val |= SUPPORTED_40000baseSR4_Full;
572 				break;
573 			}
574 		}
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_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
608 {
609 	struct be_adapter *adapter = netdev_priv(netdev);
610 	u8 link_status;
611 	u16 link_speed = 0;
612 	int status;
613 	u32 auto_speeds;
614 	u32 fixed_speeds;
615 
616 	if (adapter->phy.link_speed < 0) {
617 		status = be_cmd_link_status_query(adapter, &link_speed,
618 						  &link_status, 0);
619 		if (!status)
620 			be_link_status_update(adapter, link_status);
621 		ethtool_cmd_speed_set(ecmd, link_speed);
622 
623 		status = be_cmd_get_phy_info(adapter);
624 		if (!status) {
625 			auto_speeds = adapter->phy.auto_speeds_supported;
626 			fixed_speeds = adapter->phy.fixed_speeds_supported;
627 
628 			be_cmd_query_cable_type(adapter);
629 
630 			ecmd->supported =
631 				convert_to_et_setting(adapter,
632 						      auto_speeds |
633 						      fixed_speeds);
634 			ecmd->advertising =
635 				convert_to_et_setting(adapter, auto_speeds);
636 
637 			ecmd->port = be_get_port_type(adapter);
638 
639 			if (adapter->phy.auto_speeds_supported) {
640 				ecmd->supported |= SUPPORTED_Autoneg;
641 				ecmd->autoneg = AUTONEG_ENABLE;
642 				ecmd->advertising |= ADVERTISED_Autoneg;
643 			}
644 
645 			ecmd->supported |= SUPPORTED_Pause;
646 			if (be_pause_supported(adapter))
647 				ecmd->advertising |= ADVERTISED_Pause;
648 
649 			switch (adapter->phy.interface_type) {
650 			case PHY_TYPE_KR_10GB:
651 			case PHY_TYPE_KX4_10GB:
652 				ecmd->transceiver = XCVR_INTERNAL;
653 				break;
654 			default:
655 				ecmd->transceiver = XCVR_EXTERNAL;
656 				break;
657 			}
658 		} else {
659 			ecmd->port = PORT_OTHER;
660 			ecmd->autoneg = AUTONEG_DISABLE;
661 			ecmd->transceiver = XCVR_DUMMY1;
662 		}
663 
664 		/* Save for future use */
665 		adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
666 		adapter->phy.port_type = ecmd->port;
667 		adapter->phy.transceiver = ecmd->transceiver;
668 		adapter->phy.autoneg = ecmd->autoneg;
669 		adapter->phy.advertising = ecmd->advertising;
670 		adapter->phy.supported = ecmd->supported;
671 	} else {
672 		ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
673 		ecmd->port = adapter->phy.port_type;
674 		ecmd->transceiver = adapter->phy.transceiver;
675 		ecmd->autoneg = adapter->phy.autoneg;
676 		ecmd->advertising = adapter->phy.advertising;
677 		ecmd->supported = adapter->phy.supported;
678 	}
679 
680 	ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
681 	ecmd->phy_address = adapter->port_num;
682 
683 	return 0;
684 }
685 
686 static void be_get_ringparam(struct net_device *netdev,
687 			     struct ethtool_ringparam *ring)
688 {
689 	struct be_adapter *adapter = netdev_priv(netdev);
690 
691 	ring->rx_max_pending = adapter->rx_obj[0].q.len;
692 	ring->rx_pending = adapter->rx_obj[0].q.len;
693 	ring->tx_max_pending = adapter->tx_obj[0].q.len;
694 	ring->tx_pending = adapter->tx_obj[0].q.len;
695 }
696 
697 static void
698 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
699 {
700 	struct be_adapter *adapter = netdev_priv(netdev);
701 
702 	be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
703 	ecmd->autoneg = adapter->phy.fc_autoneg;
704 }
705 
706 static int
707 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
708 {
709 	struct be_adapter *adapter = netdev_priv(netdev);
710 	int status;
711 
712 	if (ecmd->autoneg != adapter->phy.fc_autoneg)
713 		return -EINVAL;
714 
715 	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
716 					 ecmd->rx_pause);
717 	if (status) {
718 		dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
719 		return be_cmd_status(status);
720 	}
721 
722 	adapter->tx_fc = ecmd->tx_pause;
723 	adapter->rx_fc = ecmd->rx_pause;
724 	return 0;
725 }
726 
727 static int be_set_phys_id(struct net_device *netdev,
728 			  enum ethtool_phys_id_state state)
729 {
730 	struct be_adapter *adapter = netdev_priv(netdev);
731 
732 	switch (state) {
733 	case ETHTOOL_ID_ACTIVE:
734 		be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
735 					&adapter->beacon_state);
736 		return 1;	/* cycle on/off once per second */
737 
738 	case ETHTOOL_ID_ON:
739 		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
740 					BEACON_STATE_ENABLED);
741 		break;
742 
743 	case ETHTOOL_ID_OFF:
744 		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
745 					BEACON_STATE_DISABLED);
746 		break;
747 
748 	case ETHTOOL_ID_INACTIVE:
749 		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
750 					adapter->beacon_state);
751 	}
752 
753 	return 0;
754 }
755 
756 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
757 {
758 	struct be_adapter *adapter = netdev_priv(netdev);
759 	struct device *dev = &adapter->pdev->dev;
760 	int status;
761 
762 	if (!lancer_chip(adapter) ||
763 	    !check_privilege(adapter, MAX_PRIVILEGES))
764 		return -EOPNOTSUPP;
765 
766 	switch (dump->flag) {
767 	case LANCER_INITIATE_FW_DUMP:
768 		status = lancer_initiate_dump(adapter);
769 		if (!status)
770 			dev_info(dev, "FW dump initiated successfully\n");
771 		break;
772 	case LANCER_DELETE_FW_DUMP:
773 		status = lancer_delete_dump(adapter);
774 		if (!status)
775 			dev_info(dev, "FW dump deleted successfully\n");
776 	break;
777 	default:
778 		dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
779 		return -EINVAL;
780 	}
781 	return status;
782 }
783 
784 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
785 {
786 	struct be_adapter *adapter = netdev_priv(netdev);
787 
788 	if (adapter->wol_cap & BE_WOL_CAP) {
789 		wol->supported |= WAKE_MAGIC;
790 		if (adapter->wol_en)
791 			wol->wolopts |= WAKE_MAGIC;
792 	} else {
793 		wol->wolopts = 0;
794 	}
795 	memset(&wol->sopass, 0, sizeof(wol->sopass));
796 }
797 
798 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
799 {
800 	struct be_adapter *adapter = netdev_priv(netdev);
801 
802 	if (wol->wolopts & ~WAKE_MAGIC)
803 		return -EOPNOTSUPP;
804 
805 	if (!(adapter->wol_cap & BE_WOL_CAP)) {
806 		dev_warn(&adapter->pdev->dev, "WOL not supported\n");
807 		return -EOPNOTSUPP;
808 	}
809 
810 	if (wol->wolopts & WAKE_MAGIC)
811 		adapter->wol_en = true;
812 	else
813 		adapter->wol_en = false;
814 
815 	return 0;
816 }
817 
818 static int be_test_ddr_dma(struct be_adapter *adapter)
819 {
820 	int ret, i;
821 	struct be_dma_mem ddrdma_cmd;
822 	static const u64 pattern[2] = {
823 		0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
824 	};
825 
826 	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
827 	ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
828 					    ddrdma_cmd.size, &ddrdma_cmd.dma,
829 					    GFP_KERNEL);
830 	if (!ddrdma_cmd.va)
831 		return -ENOMEM;
832 
833 	for (i = 0; i < 2; i++) {
834 		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
835 					  4096, &ddrdma_cmd);
836 		if (ret != 0)
837 			goto err;
838 	}
839 
840 err:
841 	dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
842 			  ddrdma_cmd.dma);
843 	return be_cmd_status(ret);
844 }
845 
846 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
847 			    u64 *status)
848 {
849 	int ret;
850 
851 	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
852 				  loopback_type, 1);
853 	if (ret)
854 		return ret;
855 
856 	*status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
857 				       loopback_type, 1500, 2, 0xabc);
858 
859 	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
860 				  BE_NO_LOOPBACK, 1);
861 	if (ret)
862 		return ret;
863 
864 	return *status;
865 }
866 
867 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
868 			 u64 *data)
869 {
870 	struct be_adapter *adapter = netdev_priv(netdev);
871 	int status;
872 	u8 link_status = 0;
873 
874 	if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
875 		dev_err(&adapter->pdev->dev, "Self test not supported\n");
876 		test->flags |= ETH_TEST_FL_FAILED;
877 		return;
878 	}
879 
880 	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
881 
882 	if (test->flags & ETH_TEST_FL_OFFLINE) {
883 		if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
884 			test->flags |= ETH_TEST_FL_FAILED;
885 
886 		if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
887 			test->flags |= ETH_TEST_FL_FAILED;
888 
889 		if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
890 			if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
891 					     &data[2]) != 0)
892 				test->flags |= ETH_TEST_FL_FAILED;
893 			test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
894 		}
895 	}
896 
897 	if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
898 		data[3] = 1;
899 		test->flags |= ETH_TEST_FL_FAILED;
900 	}
901 
902 	status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
903 	if (status) {
904 		test->flags |= ETH_TEST_FL_FAILED;
905 		data[4] = -1;
906 	} else if (!link_status) {
907 		test->flags |= ETH_TEST_FL_FAILED;
908 		data[4] = 1;
909 	}
910 }
911 
912 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
913 {
914 	struct be_adapter *adapter = netdev_priv(netdev);
915 
916 	return be_load_fw(adapter, efl->data);
917 }
918 
919 static int be_get_eeprom_len(struct net_device *netdev)
920 {
921 	struct be_adapter *adapter = netdev_priv(netdev);
922 
923 	if (!check_privilege(adapter, MAX_PRIVILEGES))
924 		return 0;
925 
926 	if (lancer_chip(adapter)) {
927 		if (be_physfn(adapter))
928 			return lancer_cmd_get_file_len(adapter,
929 						       LANCER_VPD_PF_FILE);
930 		else
931 			return lancer_cmd_get_file_len(adapter,
932 						       LANCER_VPD_VF_FILE);
933 	} else {
934 		return BE_READ_SEEPROM_LEN;
935 	}
936 }
937 
938 static int be_read_eeprom(struct net_device *netdev,
939 			  struct ethtool_eeprom *eeprom, uint8_t *data)
940 {
941 	struct be_adapter *adapter = netdev_priv(netdev);
942 	struct be_dma_mem eeprom_cmd;
943 	struct be_cmd_resp_seeprom_read *resp;
944 	int status;
945 
946 	if (!eeprom->len)
947 		return -EINVAL;
948 
949 	if (lancer_chip(adapter)) {
950 		if (be_physfn(adapter))
951 			return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
952 						    eeprom->len, data);
953 		else
954 			return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
955 						    eeprom->len, data);
956 	}
957 
958 	eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
959 
960 	memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
961 	eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
962 	eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
963 					    eeprom_cmd.size, &eeprom_cmd.dma,
964 					    GFP_KERNEL);
965 
966 	if (!eeprom_cmd.va)
967 		return -ENOMEM;
968 
969 	status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
970 
971 	if (!status) {
972 		resp = eeprom_cmd.va;
973 		memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
974 	}
975 	dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
976 			  eeprom_cmd.dma);
977 
978 	return be_cmd_status(status);
979 }
980 
981 static u32 be_get_msg_level(struct net_device *netdev)
982 {
983 	struct be_adapter *adapter = netdev_priv(netdev);
984 
985 	return adapter->msg_enable;
986 }
987 
988 static void be_set_msg_level(struct net_device *netdev, u32 level)
989 {
990 	struct be_adapter *adapter = netdev_priv(netdev);
991 
992 	if (adapter->msg_enable == level)
993 		return;
994 
995 	if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
996 		if (BEx_chip(adapter))
997 			be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
998 						FW_LOG_LEVEL_DEFAULT :
999 						FW_LOG_LEVEL_FATAL);
1000 	adapter->msg_enable = level;
1001 }
1002 
1003 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1004 {
1005 	u64 data = 0;
1006 
1007 	switch (flow_type) {
1008 	case TCP_V4_FLOW:
1009 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1010 			data |= RXH_IP_DST | RXH_IP_SRC;
1011 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1012 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1013 		break;
1014 	case UDP_V4_FLOW:
1015 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1016 			data |= RXH_IP_DST | RXH_IP_SRC;
1017 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1018 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1019 		break;
1020 	case TCP_V6_FLOW:
1021 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1022 			data |= RXH_IP_DST | RXH_IP_SRC;
1023 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1024 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1025 		break;
1026 	case UDP_V6_FLOW:
1027 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1028 			data |= RXH_IP_DST | RXH_IP_SRC;
1029 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1030 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1031 		break;
1032 	}
1033 
1034 	return data;
1035 }
1036 
1037 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1038 			u32 *rule_locs)
1039 {
1040 	struct be_adapter *adapter = netdev_priv(netdev);
1041 
1042 	if (!be_multi_rxq(adapter)) {
1043 		dev_info(&adapter->pdev->dev,
1044 			 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1045 		return -EINVAL;
1046 	}
1047 
1048 	switch (cmd->cmd) {
1049 	case ETHTOOL_GRXFH:
1050 		cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1051 		break;
1052 	case ETHTOOL_GRXRINGS:
1053 		cmd->data = adapter->num_rx_qs - 1;
1054 		break;
1055 	default:
1056 		return -EINVAL;
1057 	}
1058 
1059 	return 0;
1060 }
1061 
1062 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1063 				struct ethtool_rxnfc *cmd)
1064 {
1065 	int status;
1066 	u32 rss_flags = adapter->rss_info.rss_flags;
1067 
1068 	if (cmd->data != L3_RSS_FLAGS &&
1069 	    cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1070 		return -EINVAL;
1071 
1072 	switch (cmd->flow_type) {
1073 	case TCP_V4_FLOW:
1074 		if (cmd->data == L3_RSS_FLAGS)
1075 			rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1076 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1077 			rss_flags |= RSS_ENABLE_IPV4 |
1078 					RSS_ENABLE_TCP_IPV4;
1079 		break;
1080 	case TCP_V6_FLOW:
1081 		if (cmd->data == L3_RSS_FLAGS)
1082 			rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1083 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1084 			rss_flags |= RSS_ENABLE_IPV6 |
1085 					RSS_ENABLE_TCP_IPV6;
1086 		break;
1087 	case UDP_V4_FLOW:
1088 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1089 		    BEx_chip(adapter))
1090 			return -EINVAL;
1091 
1092 		if (cmd->data == L3_RSS_FLAGS)
1093 			rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1094 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1095 			rss_flags |= RSS_ENABLE_IPV4 |
1096 					RSS_ENABLE_UDP_IPV4;
1097 		break;
1098 	case UDP_V6_FLOW:
1099 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1100 		    BEx_chip(adapter))
1101 			return -EINVAL;
1102 
1103 		if (cmd->data == L3_RSS_FLAGS)
1104 			rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1105 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1106 			rss_flags |= RSS_ENABLE_IPV6 |
1107 					RSS_ENABLE_UDP_IPV6;
1108 		break;
1109 	default:
1110 		return -EINVAL;
1111 	}
1112 
1113 	if (rss_flags == adapter->rss_info.rss_flags)
1114 		return 0;
1115 
1116 	status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1117 				   rss_flags, RSS_INDIR_TABLE_LEN,
1118 				   adapter->rss_info.rss_hkey);
1119 	if (!status)
1120 		adapter->rss_info.rss_flags = rss_flags;
1121 
1122 	return be_cmd_status(status);
1123 }
1124 
1125 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1126 {
1127 	struct be_adapter *adapter = netdev_priv(netdev);
1128 	int status = 0;
1129 
1130 	if (!be_multi_rxq(adapter)) {
1131 		dev_err(&adapter->pdev->dev,
1132 			"ethtool::set_rxnfc: RX flow hashing is disabled\n");
1133 		return -EINVAL;
1134 	}
1135 
1136 	switch (cmd->cmd) {
1137 	case ETHTOOL_SRXFH:
1138 		status = be_set_rss_hash_opts(adapter, cmd);
1139 		break;
1140 	default:
1141 		return -EINVAL;
1142 	}
1143 
1144 	return status;
1145 }
1146 
1147 static void be_get_channels(struct net_device *netdev,
1148 			    struct ethtool_channels *ch)
1149 {
1150 	struct be_adapter *adapter = netdev_priv(netdev);
1151 
1152 	ch->combined_count = adapter->num_evt_qs;
1153 	ch->max_combined = be_max_qs(adapter);
1154 }
1155 
1156 static int be_set_channels(struct net_device  *netdev,
1157 			   struct ethtool_channels *ch)
1158 {
1159 	struct be_adapter *adapter = netdev_priv(netdev);
1160 	int status;
1161 
1162 	if (ch->rx_count || ch->tx_count || ch->other_count ||
1163 	    !ch->combined_count || ch->combined_count > be_max_qs(adapter))
1164 		return -EINVAL;
1165 
1166 	adapter->cfg_num_qs = ch->combined_count;
1167 
1168 	status = be_update_queues(adapter);
1169 	return be_cmd_status(status);
1170 }
1171 
1172 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1173 {
1174 	return RSS_INDIR_TABLE_LEN;
1175 }
1176 
1177 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1178 {
1179 	return RSS_HASH_KEY_LEN;
1180 }
1181 
1182 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1183 		       u8 *hfunc)
1184 {
1185 	struct be_adapter *adapter = netdev_priv(netdev);
1186 	int i;
1187 	struct rss_info *rss = &adapter->rss_info;
1188 
1189 	if (indir) {
1190 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1191 			indir[i] = rss->rss_queue[i];
1192 	}
1193 
1194 	if (hkey)
1195 		memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1196 
1197 	if (hfunc)
1198 		*hfunc = ETH_RSS_HASH_TOP;
1199 
1200 	return 0;
1201 }
1202 
1203 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1204 		       const u8 *hkey, const u8 hfunc)
1205 {
1206 	int rc = 0, i, j;
1207 	struct be_adapter *adapter = netdev_priv(netdev);
1208 	u8 rsstable[RSS_INDIR_TABLE_LEN];
1209 
1210 	/* We do not allow change in unsupported parameters */
1211 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1212 		return -EOPNOTSUPP;
1213 
1214 	if (indir) {
1215 		struct be_rx_obj *rxo;
1216 
1217 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1218 			j = indir[i];
1219 			rxo = &adapter->rx_obj[j];
1220 			rsstable[i] = rxo->rss_id;
1221 			adapter->rss_info.rss_queue[i] = j;
1222 		}
1223 	} else {
1224 		memcpy(rsstable, adapter->rss_info.rsstable,
1225 		       RSS_INDIR_TABLE_LEN);
1226 	}
1227 
1228 	if (!hkey)
1229 		hkey =  adapter->rss_info.rss_hkey;
1230 
1231 	rc = be_cmd_rss_config(adapter, rsstable,
1232 			       adapter->rss_info.rss_flags,
1233 			       RSS_INDIR_TABLE_LEN, hkey);
1234 	if (rc) {
1235 		adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1236 		return -EIO;
1237 	}
1238 	memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1239 	memcpy(adapter->rss_info.rsstable, rsstable,
1240 	       RSS_INDIR_TABLE_LEN);
1241 	return 0;
1242 }
1243 
1244 static int be_get_module_info(struct net_device *netdev,
1245 			      struct ethtool_modinfo *modinfo)
1246 {
1247 	struct be_adapter *adapter = netdev_priv(netdev);
1248 	u8 page_data[PAGE_DATA_LEN];
1249 	int status;
1250 
1251 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1252 		return -EOPNOTSUPP;
1253 
1254 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1255 						   page_data);
1256 	if (!status) {
1257 		if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1258 			modinfo->type = ETH_MODULE_SFF_8079;
1259 			modinfo->eeprom_len = PAGE_DATA_LEN;
1260 		} else {
1261 			modinfo->type = ETH_MODULE_SFF_8472;
1262 			modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1263 		}
1264 	}
1265 	return be_cmd_status(status);
1266 }
1267 
1268 static int be_get_module_eeprom(struct net_device *netdev,
1269 				struct ethtool_eeprom *eeprom, u8 *data)
1270 {
1271 	struct be_adapter *adapter = netdev_priv(netdev);
1272 	int status;
1273 
1274 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1275 		return -EOPNOTSUPP;
1276 
1277 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1278 						   data);
1279 	if (status)
1280 		goto err;
1281 
1282 	if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1283 		status = be_cmd_read_port_transceiver_data(adapter,
1284 							   TR_PAGE_A2,
1285 							   data +
1286 							   PAGE_DATA_LEN);
1287 		if (status)
1288 			goto err;
1289 	}
1290 	if (eeprom->offset)
1291 		memcpy(data, data + eeprom->offset, eeprom->len);
1292 err:
1293 	return be_cmd_status(status);
1294 }
1295 
1296 const struct ethtool_ops be_ethtool_ops = {
1297 	.get_settings = be_get_settings,
1298 	.get_drvinfo = be_get_drvinfo,
1299 	.get_wol = be_get_wol,
1300 	.set_wol = be_set_wol,
1301 	.get_link = ethtool_op_get_link,
1302 	.get_eeprom_len = be_get_eeprom_len,
1303 	.get_eeprom = be_read_eeprom,
1304 	.get_coalesce = be_get_coalesce,
1305 	.set_coalesce = be_set_coalesce,
1306 	.get_ringparam = be_get_ringparam,
1307 	.get_pauseparam = be_get_pauseparam,
1308 	.set_pauseparam = be_set_pauseparam,
1309 	.get_strings = be_get_stat_strings,
1310 	.set_phys_id = be_set_phys_id,
1311 	.set_dump = be_set_dump,
1312 	.get_msglevel = be_get_msg_level,
1313 	.set_msglevel = be_set_msg_level,
1314 	.get_sset_count = be_get_sset_count,
1315 	.get_ethtool_stats = be_get_ethtool_stats,
1316 	.get_regs_len = be_get_reg_len,
1317 	.get_regs = be_get_regs,
1318 	.flash_device = be_do_flash,
1319 	.self_test = be_self_test,
1320 	.get_rxnfc = be_get_rxnfc,
1321 	.set_rxnfc = be_set_rxnfc,
1322 	.get_rxfh_indir_size = be_get_rxfh_indir_size,
1323 	.get_rxfh_key_size = be_get_rxfh_key_size,
1324 	.get_rxfh = be_get_rxfh,
1325 	.set_rxfh = be_set_rxfh,
1326 	.get_channels = be_get_channels,
1327 	.set_channels = be_set_channels,
1328 	.get_module_info = be_get_module_info,
1329 	.get_module_eeprom = be_get_module_eeprom
1330 };
1331