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
18struct be_ethtool_stat {
19	char desc[ETH_GSTRING_LEN];
20	int type;
21	int size;
22	int offset;
23};
24
25enum {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
35static 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 */
134static 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 */
158static 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
204static 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
218static 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
235static 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
249static 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
262static 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
303static 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
317static 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 */
340static 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
369static 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
421static const char be_priv_flags[][ETH_GSTRING_LEN] = {
422	"disable-tpe-recovery"
423};
424
425static 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
465static 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
483static 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
519static 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
600bool 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
607static 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
681static 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
692static void
693be_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
701static int
702be_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
722static 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
754static 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
782static 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
796static 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
836err:
837	dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
838	return status;
839}
840
841static 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
863err:
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
869static 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
890static 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
951static 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
958static int
959be_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
972static int
973be_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
986static 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
1005static 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
1048static 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
1055static 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
1070static 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
1104static 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
1129static 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
1192static 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
1214static 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
1231static 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
1258static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1259{
1260	return RSS_INDIR_TABLE_LEN;
1261}
1262
1263static u32 be_get_rxfh_key_size(struct net_device *netdev)
1264{
1265	return RSS_HASH_KEY_LEN;
1266}
1267
1268static 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
1289static 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
1330static 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						   0, PAGE_DATA_LEN, 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
1354static 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	u32 begin, end;
1360
1361	if (!check_privilege(adapter, MAX_PRIVILEGES))
1362		return -EOPNOTSUPP;
1363
1364	begin = eeprom->offset;
1365	end = eeprom->offset + eeprom->len;
1366
1367	if (begin < PAGE_DATA_LEN) {
1368		status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, begin,
1369							   min_t(u32, end, PAGE_DATA_LEN) - begin,
1370							   data);
1371		if (status)
1372			goto err;
1373
1374		data += PAGE_DATA_LEN - begin;
1375		begin = PAGE_DATA_LEN;
1376	}
1377
1378	if (end > PAGE_DATA_LEN) {
1379		status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A2,
1380							   begin - PAGE_DATA_LEN,
1381							   end - begin, data);
1382		if (status)
1383			goto err;
1384	}
1385err:
1386	return be_cmd_status(status);
1387}
1388
1389static u32 be_get_priv_flags(struct net_device *netdev)
1390{
1391	struct be_adapter *adapter = netdev_priv(netdev);
1392
1393	return adapter->priv_flags;
1394}
1395
1396static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1397{
1398	struct be_adapter *adapter = netdev_priv(netdev);
1399	bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1400	bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1401
1402	if (tpe_old != tpe_new) {
1403		if (tpe_new) {
1404			adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1405			dev_info(&adapter->pdev->dev,
1406				 "HW error recovery is disabled\n");
1407		} else {
1408			adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1409			dev_info(&adapter->pdev->dev,
1410				 "HW error recovery is enabled\n");
1411		}
1412	}
1413
1414	return 0;
1415}
1416
1417const struct ethtool_ops be_ethtool_ops = {
1418	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1419				     ETHTOOL_COALESCE_USE_ADAPTIVE |
1420				     ETHTOOL_COALESCE_USECS_LOW_HIGH,
1421	.get_drvinfo = be_get_drvinfo,
1422	.get_wol = be_get_wol,
1423	.set_wol = be_set_wol,
1424	.get_link = ethtool_op_get_link,
1425	.get_eeprom_len = be_get_eeprom_len,
1426	.get_eeprom = be_read_eeprom,
1427	.get_coalesce = be_get_coalesce,
1428	.set_coalesce = be_set_coalesce,
1429	.get_ringparam = be_get_ringparam,
1430	.get_pauseparam = be_get_pauseparam,
1431	.set_pauseparam = be_set_pauseparam,
1432	.set_priv_flags = be_set_priv_flags,
1433	.get_priv_flags = be_get_priv_flags,
1434	.get_strings = be_get_stat_strings,
1435	.set_phys_id = be_set_phys_id,
1436	.set_dump = be_set_dump,
1437	.get_msglevel = be_get_msg_level,
1438	.set_msglevel = be_set_msg_level,
1439	.get_sset_count = be_get_sset_count,
1440	.get_ethtool_stats = be_get_ethtool_stats,
1441	.flash_device = be_do_flash,
1442	.self_test = be_self_test,
1443	.get_rxnfc = be_get_rxnfc,
1444	.set_rxnfc = be_set_rxnfc,
1445	.get_rxfh_indir_size = be_get_rxfh_indir_size,
1446	.get_rxfh_key_size = be_get_rxfh_key_size,
1447	.get_rxfh = be_get_rxfh,
1448	.set_rxfh = be_set_rxfh,
1449	.get_dump_flag = be_get_dump_flag,
1450	.get_dump_data = be_get_dump_data,
1451	.get_channels = be_get_channels,
1452	.set_channels = be_set_channels,
1453	.get_module_info = be_get_module_info,
1454	.get_module_eeprom = be_get_module_eeprom,
1455	.get_link_ksettings = be_get_link_ksettings,
1456};
1457