summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/emulex/benet/be_ethtool.c
blob: 00454a10f88d6111f5bfb30987703c04d807e8ba (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
/*
 * Copyright (C) 2005 - 2011 Emulex
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.  The full GNU General
 * Public License is included in this distribution in the file called COPYING.
 *
 * Contact Information:
 * linux-drivers@emulex.com
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#include "be.h"
#include "be_cmds.h"
#include <linux/ethtool.h>

struct be_ethtool_stat {
	char desc[ETH_GSTRING_LEN];
	int type;
	int size;
	int offset;
};

enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
#define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
					offsetof(_struct, field)
#define DRVSTAT_TX_INFO(field)	#field, DRVSTAT_TX,\
					FIELDINFO(struct be_tx_stats, field)
#define DRVSTAT_RX_INFO(field)	#field, DRVSTAT_RX,\
					FIELDINFO(struct be_rx_stats, field)
#define	DRVSTAT_INFO(field)	#field, DRVSTAT,\
					FIELDINFO(struct be_drv_stats, field)

static const struct be_ethtool_stat et_stats[] = {
	{DRVSTAT_INFO(rx_crc_errors)},
	{DRVSTAT_INFO(rx_alignment_symbol_errors)},
	{DRVSTAT_INFO(rx_pause_frames)},
	{DRVSTAT_INFO(rx_control_frames)},
	/* Received packets dropped when the Ethernet length field
	 * is not equal to the actual Ethernet data length.
	 */
	{DRVSTAT_INFO(rx_in_range_errors)},
	/* Received packets dropped when their length field is >= 1501 bytes
	 * and <= 1535 bytes.
	 */
	{DRVSTAT_INFO(rx_out_range_errors)},
	/* Received packets dropped when they are longer than 9216 bytes */
	{DRVSTAT_INFO(rx_frame_too_long)},
	/* Received packets dropped when they don't pass the unicast or
	 * multicast address filtering.
	 */
	{DRVSTAT_INFO(rx_address_mismatch_drops)},
	/* Received packets dropped when IP packet length field is less than
	 * the IP header length field.
	 */
	{DRVSTAT_INFO(rx_dropped_too_small)},
	/* Received packets dropped when IP length field is greater than
	 * the actual packet length.
	 */
	{DRVSTAT_INFO(rx_dropped_too_short)},
	/* Received packets dropped when the IP header length field is less
	 * than 5.
	 */
	{DRVSTAT_INFO(rx_dropped_header_too_small)},
	/* Received packets dropped when the TCP header length field is less
	 * than 5 or the TCP header length + IP header length is more
	 * than IP packet length.
	 */
	{DRVSTAT_INFO(rx_dropped_tcp_length)},
	{DRVSTAT_INFO(rx_dropped_runt)},
	/* Number of received packets dropped when a fifo for descriptors going
	 * into the packet demux block overflows. In normal operation, this
	 * fifo must never overflow.
	 */
	{DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
	{DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
	{DRVSTAT_INFO(rx_ip_checksum_errs)},
	{DRVSTAT_INFO(rx_tcp_checksum_errs)},
	{DRVSTAT_INFO(rx_udp_checksum_errs)},
	{DRVSTAT_INFO(tx_pauseframes)},
	{DRVSTAT_INFO(tx_controlframes)},
	{DRVSTAT_INFO(rx_priority_pause_frames)},
	/* Received packets dropped when an internal fifo going into
	 * main packet buffer tank (PMEM) overflows.
	 */
	{DRVSTAT_INFO(pmem_fifo_overflow_drop)},
	{DRVSTAT_INFO(jabber_events)},
	/* Received packets dropped due to lack of available HW packet buffers
	 * used to temporarily hold the received packets.
	 */
	{DRVSTAT_INFO(rx_drops_no_pbuf)},
	/* Received packets dropped due to input receive buffer
	 * descriptor fifo overflowing.
	 */
	{DRVSTAT_INFO(rx_drops_no_erx_descr)},
	/* Packets dropped because the internal FIFO to the offloaded TCP
	 * receive processing block is full. This could happen only for
	 * offloaded iSCSI or FCoE trarffic.
	 */
	{DRVSTAT_INFO(rx_drops_no_tpre_descr)},
	/* Received packets dropped when they need more than 8
	 * receive buffers. This cannot happen as the driver configures
	 * 2048 byte receive buffers.
	 */
	{DRVSTAT_INFO(rx_drops_too_many_frags)},
	{DRVSTAT_INFO(forwarded_packets)},
	/* Received packets dropped when the frame length
	 * is more than 9018 bytes
	 */
	{DRVSTAT_INFO(rx_drops_mtu)},
	/* Number of packets dropped due to random early drop function */
	{DRVSTAT_INFO(eth_red_drops)},
	{DRVSTAT_INFO(be_on_die_temperature)}
};
#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)

/* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
 * are first and second members respectively.
 */
static const struct be_ethtool_stat et_rx_stats[] = {
	{DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
	{DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
	{DRVSTAT_RX_INFO(rx_compl)},
	{DRVSTAT_RX_INFO(rx_mcast_pkts)},
	/* Number of page allocation failures while posting receive buffers
	 * to HW.
	 */
	{DRVSTAT_RX_INFO(rx_post_fail)},
	/* Recevied packets dropped due to skb allocation failure */
	{DRVSTAT_RX_INFO(rx_drops_no_skbs)},
	/* Received packets dropped due to lack of available fetched buffers
	 * posted by the driver.
	 */
	{DRVSTAT_RX_INFO(rx_drops_no_frags)}
};
#define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))

/* Stats related to multi TX queues: get_stats routine assumes compl is the
 * first member
 */
static const struct be_ethtool_stat et_tx_stats[] = {
	{DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
	{DRVSTAT_TX_INFO(tx_bytes)},
	{DRVSTAT_TX_INFO(tx_pkts)},
	/* Number of skbs queued for trasmission by the driver */
	{DRVSTAT_TX_INFO(tx_reqs)},
	/* Number of TX work request blocks DMAed to HW */
	{DRVSTAT_TX_INFO(tx_wrbs)},
	/* Number of times the TX queue was stopped due to lack
	 * of spaces in the TXQ.
	 */
	{DRVSTAT_TX_INFO(tx_stops)}
};
#define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))

static const char et_self_tests[][ETH_GSTRING_LEN] = {
	"MAC Loopback test",
	"PHY Loopback test",
	"External Loopback test",
	"DDR DMA test",
	"Link test"
};

#define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
#define BE_MAC_LOOPBACK 0x0
#define BE_PHY_LOOPBACK 0x1
#define BE_ONE_PORT_EXT_LOOPBACK 0x2
#define BE_NO_LOOPBACK 0xff

static void be_get_drvinfo(struct net_device *netdev,
				struct ethtool_drvinfo *drvinfo)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	char fw_on_flash[FW_VER_LEN];

	memset(fw_on_flash, 0 , sizeof(fw_on_flash));
	be_cmd_get_fw_ver(adapter, adapter->fw_ver, fw_on_flash);

	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
	strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
	if (memcmp(adapter->fw_ver, fw_on_flash, FW_VER_LEN) != 0) {
		strcat(drvinfo->fw_version, " [");
		strcat(drvinfo->fw_version, fw_on_flash);
		strcat(drvinfo->fw_version, "]");
	}

	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
		sizeof(drvinfo->bus_info));
	drvinfo->testinfo_len = 0;
	drvinfo->regdump_len = 0;
	drvinfo->eedump_len = 0;
}

static u32
lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
{
	u32 data_read = 0, eof;
	u8 addn_status;
	struct be_dma_mem data_len_cmd;
	int status;

	memset(&data_len_cmd, 0, sizeof(data_len_cmd));
	/* data_offset and data_size should be 0 to get reg len */
	status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
				file_name, &data_read, &eof, &addn_status);

	return data_read;
}

static int
lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
		u32 buf_len, void *buf)
{
	struct be_dma_mem read_cmd;
	u32 read_len = 0, total_read_len = 0, chunk_size;
	u32 eof = 0;
	u8 addn_status;
	int status = 0;

	read_cmd.size = LANCER_READ_FILE_CHUNK;
	read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size,
			&read_cmd.dma);

	if (!read_cmd.va) {
		dev_err(&adapter->pdev->dev,
				"Memory allocation failure while reading dump\n");
		return -ENOMEM;
	}

	while ((total_read_len < buf_len) && !eof) {
		chunk_size = min_t(u32, (buf_len - total_read_len),
				LANCER_READ_FILE_CHUNK);
		chunk_size = ALIGN(chunk_size, 4);
		status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
				total_read_len, file_name, &read_len,
				&eof, &addn_status);
		if (!status) {
			memcpy(buf + total_read_len, read_cmd.va, read_len);
			total_read_len += read_len;
			eof &= LANCER_READ_FILE_EOF_MASK;
		} else {
			status = -EIO;
			break;
		}
	}
	pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va,
			read_cmd.dma);

	return status;
}

static int
be_get_reg_len(struct net_device *netdev)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	u32 log_size = 0;

	if (!check_privilege(adapter, MAX_PRIVILEGES))
		return 0;

	if (be_physfn(adapter)) {
		if (lancer_chip(adapter))
			log_size = lancer_cmd_get_file_len(adapter,
					LANCER_FW_DUMP_FILE);
		else
			be_cmd_get_reg_len(adapter, &log_size);
	}
	return log_size;
}

static void
be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	if (be_physfn(adapter)) {
		memset(buf, 0, regs->len);
		if (lancer_chip(adapter))
			lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
					regs->len, buf);
		else
			be_cmd_get_regs(adapter, regs->len, buf);
	}
}

static int be_get_coalesce(struct net_device *netdev,
			   struct ethtool_coalesce *et)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	struct be_eq_obj *eqo = &adapter->eq_obj[0];


	et->rx_coalesce_usecs = eqo->cur_eqd;
	et->rx_coalesce_usecs_high = eqo->max_eqd;
	et->rx_coalesce_usecs_low = eqo->min_eqd;

	et->tx_coalesce_usecs = eqo->cur_eqd;
	et->tx_coalesce_usecs_high = eqo->max_eqd;
	et->tx_coalesce_usecs_low = eqo->min_eqd;

	et->use_adaptive_rx_coalesce = eqo->enable_aic;
	et->use_adaptive_tx_coalesce = eqo->enable_aic;

	return 0;
}

/* TX attributes are ignored. Only RX attributes are considered
 * eqd cmd is issued in the worker thread.
 */
static int be_set_coalesce(struct net_device *netdev,
			   struct ethtool_coalesce *et)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	struct be_eq_obj *eqo;
	int i;

	for_all_evt_queues(adapter, eqo, i) {
		eqo->enable_aic = et->use_adaptive_rx_coalesce;
		eqo->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
		eqo->min_eqd = min(et->rx_coalesce_usecs_low, eqo->max_eqd);
		eqo->eqd = et->rx_coalesce_usecs;
	}

	return 0;
}

static void
be_get_ethtool_stats(struct net_device *netdev,
		struct ethtool_stats *stats, uint64_t *data)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	struct be_rx_obj *rxo;
	struct be_tx_obj *txo;
	void *p;
	unsigned int i, j, base = 0, start;

	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
		p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
		data[i] = *(u32 *)p;
	}
	base += ETHTOOL_STATS_NUM;

	for_all_rx_queues(adapter, rxo, j) {
		struct be_rx_stats *stats = rx_stats(rxo);

		do {
			start = u64_stats_fetch_begin_bh(&stats->sync);
			data[base] = stats->rx_bytes;
			data[base + 1] = stats->rx_pkts;
		} while (u64_stats_fetch_retry_bh(&stats->sync, start));

		for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
			p = (u8 *)stats + et_rx_stats[i].offset;
			data[base + i] = *(u32 *)p;
		}
		base += ETHTOOL_RXSTATS_NUM;
	}

	for_all_tx_queues(adapter, txo, j) {
		struct be_tx_stats *stats = tx_stats(txo);

		do {
			start = u64_stats_fetch_begin_bh(&stats->sync_compl);
			data[base] = stats->tx_compl;
		} while (u64_stats_fetch_retry_bh(&stats->sync_compl, start));

		do {
			start = u64_stats_fetch_begin_bh(&stats->sync);
			for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
				p = (u8 *)stats + et_tx_stats[i].offset;
				data[base + i] =
					(et_tx_stats[i].size == sizeof(u64)) ?
						*(u64 *)p : *(u32 *)p;
			}
		} while (u64_stats_fetch_retry_bh(&stats->sync, start));
		base += ETHTOOL_TXSTATS_NUM;
	}
}

static void
be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
		uint8_t *data)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	int i, j;

	switch (stringset) {
	case ETH_SS_STATS:
		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
			data += ETH_GSTRING_LEN;
		}
		for (i = 0; i < adapter->num_rx_qs; i++) {
			for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
				sprintf(data, "rxq%d: %s", i,
					et_rx_stats[j].desc);
				data += ETH_GSTRING_LEN;
			}
		}
		for (i = 0; i < adapter->num_tx_qs; i++) {
			for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
				sprintf(data, "txq%d: %s", i,
					et_tx_stats[j].desc);
				data += ETH_GSTRING_LEN;
			}
		}
		break;
	case ETH_SS_TEST:
		for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
			memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
			data += ETH_GSTRING_LEN;
		}
		break;
	}
}

static int be_get_sset_count(struct net_device *netdev, int stringset)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	switch (stringset) {
	case ETH_SS_TEST:
		return ETHTOOL_TESTS_NUM;
	case ETH_SS_STATS:
		return ETHTOOL_STATS_NUM +
			adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
			adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
	default:
		return -EINVAL;
	}
}

static u32 be_get_port_type(u32 phy_type, u32 dac_cable_len)
{
	u32 port;

	switch (phy_type) {
	case PHY_TYPE_BASET_1GB:
	case PHY_TYPE_BASEX_1GB:
	case PHY_TYPE_SGMII:
		port = PORT_TP;
		break;
	case PHY_TYPE_SFP_PLUS_10GB:
		port = dac_cable_len ? PORT_DA : PORT_FIBRE;
		break;
	case PHY_TYPE_XFP_10GB:
	case PHY_TYPE_SFP_1GB:
		port = PORT_FIBRE;
		break;
	case PHY_TYPE_BASET_10GB:
		port = PORT_TP;
		break;
	default:
		port = PORT_OTHER;
	}

	return port;
}

static u32 convert_to_et_setting(u32 if_type, u32 if_speeds)
{
	u32 val = 0;

	switch (if_type) {
	case PHY_TYPE_BASET_1GB:
	case PHY_TYPE_BASEX_1GB:
	case PHY_TYPE_SGMII:
		val |= SUPPORTED_TP;
		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
			val |= SUPPORTED_1000baseT_Full;
		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
			val |= SUPPORTED_100baseT_Full;
		if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
			val |= SUPPORTED_10baseT_Full;
		break;
	case PHY_TYPE_KX4_10GB:
		val |= SUPPORTED_Backplane;
		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
			val |= SUPPORTED_1000baseKX_Full;
		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
			val |= SUPPORTED_10000baseKX4_Full;
		break;
	case PHY_TYPE_KR_10GB:
		val |= SUPPORTED_Backplane |
				SUPPORTED_10000baseKR_Full;
		break;
	case PHY_TYPE_SFP_PLUS_10GB:
	case PHY_TYPE_XFP_10GB:
	case PHY_TYPE_SFP_1GB:
		val |= SUPPORTED_FIBRE;
		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
			val |= SUPPORTED_10000baseT_Full;
		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
			val |= SUPPORTED_1000baseT_Full;
		break;
	case PHY_TYPE_BASET_10GB:
		val |= SUPPORTED_TP;
		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
			val |= SUPPORTED_10000baseT_Full;
		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
			val |= SUPPORTED_1000baseT_Full;
		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
			val |= SUPPORTED_100baseT_Full;
		break;
	default:
		val |= SUPPORTED_TP;
	}

	return val;
}

bool be_pause_supported(struct be_adapter *adapter)
{
	return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
		adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
		false : true;
}

static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	u8 link_status;
	u16 link_speed = 0;
	int status;
	u32 auto_speeds;
	u32 fixed_speeds;
	u32 dac_cable_len;
	u16 interface_type;

	if (adapter->phy.link_speed < 0) {
		status = be_cmd_link_status_query(adapter, &link_speed,
						  &link_status, 0);
		if (!status)
			be_link_status_update(adapter, link_status);
		ethtool_cmd_speed_set(ecmd, link_speed);

		status = be_cmd_get_phy_info(adapter);
		if (!status) {
			interface_type = adapter->phy.interface_type;
			auto_speeds = adapter->phy.auto_speeds_supported;
			fixed_speeds = adapter->phy.fixed_speeds_supported;
			dac_cable_len = adapter->phy.dac_cable_len;

			ecmd->supported =
				convert_to_et_setting(interface_type,
						      auto_speeds |
						      fixed_speeds);
			ecmd->advertising =
				convert_to_et_setting(interface_type,
						      auto_speeds);

			ecmd->port = be_get_port_type(interface_type,
						      dac_cable_len);

			if (adapter->phy.auto_speeds_supported) {
				ecmd->supported |= SUPPORTED_Autoneg;
				ecmd->autoneg = AUTONEG_ENABLE;
				ecmd->advertising |= ADVERTISED_Autoneg;
			}

			ecmd->supported |= SUPPORTED_Pause;
			if (be_pause_supported(adapter))
				ecmd->advertising |= ADVERTISED_Pause;

			switch (adapter->phy.interface_type) {
			case PHY_TYPE_KR_10GB:
			case PHY_TYPE_KX4_10GB:
				ecmd->transceiver = XCVR_INTERNAL;
				break;
			default:
				ecmd->transceiver = XCVR_EXTERNAL;
				break;
			}
		} else {
			ecmd->port = PORT_OTHER;
			ecmd->autoneg = AUTONEG_DISABLE;
			ecmd->transceiver = XCVR_DUMMY1;
		}

		/* Save for future use */
		adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
		adapter->phy.port_type = ecmd->port;
		adapter->phy.transceiver = ecmd->transceiver;
		adapter->phy.autoneg = ecmd->autoneg;
		adapter->phy.advertising = ecmd->advertising;
		adapter->phy.supported = ecmd->supported;
	} else {
		ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
		ecmd->port = adapter->phy.port_type;
		ecmd->transceiver = adapter->phy.transceiver;
		ecmd->autoneg = adapter->phy.autoneg;
		ecmd->advertising = adapter->phy.advertising;
		ecmd->supported = adapter->phy.supported;
	}

	ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
	ecmd->phy_address = adapter->port_num;

	return 0;
}

static void be_get_ringparam(struct net_device *netdev,
			     struct ethtool_ringparam *ring)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	ring->rx_max_pending = ring->rx_pending = adapter->rx_obj[0].q.len;
	ring->tx_max_pending = ring->tx_pending = adapter->tx_obj[0].q.len;
}

static void
be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
	ecmd->autoneg = adapter->phy.fc_autoneg;
}

static int
be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	int status;

	if (ecmd->autoneg != adapter->phy.fc_autoneg)
		return -EINVAL;
	adapter->tx_fc = ecmd->tx_pause;
	adapter->rx_fc = ecmd->rx_pause;

	status = be_cmd_set_flow_control(adapter,
					adapter->tx_fc, adapter->rx_fc);
	if (status)
		dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");

	return status;
}

static int
be_set_phys_id(struct net_device *netdev,
	       enum ethtool_phys_id_state state)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	switch (state) {
	case ETHTOOL_ID_ACTIVE:
		be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
					&adapter->beacon_state);
		return 1;	/* cycle on/off once per second */

	case ETHTOOL_ID_ON:
		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
					BEACON_STATE_ENABLED);
		break;

	case ETHTOOL_ID_OFF:
		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
					BEACON_STATE_DISABLED);
		break;

	case ETHTOOL_ID_INACTIVE:
		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
					adapter->beacon_state);
	}

	return 0;
}


static void
be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	if (be_is_wol_supported(adapter)) {
		wol->supported |= WAKE_MAGIC;
		wol->wolopts |= WAKE_MAGIC;
	} else
		wol->wolopts = 0;
	memset(&wol->sopass, 0, sizeof(wol->sopass));
}

static int
be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	if (wol->wolopts & ~WAKE_MAGIC)
		return -EOPNOTSUPP;

	if (!be_is_wol_supported(adapter)) {
		dev_warn(&adapter->pdev->dev, "WOL not supported\n");
		return -EOPNOTSUPP;
	}

	if (wol->wolopts & WAKE_MAGIC)
		adapter->wol = true;
	else
		adapter->wol = false;

	return 0;
}

static int
be_test_ddr_dma(struct be_adapter *adapter)
{
	int ret, i;
	struct be_dma_mem ddrdma_cmd;
	static const u64 pattern[2] = {
		0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
	};

	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
	ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
					   &ddrdma_cmd.dma, GFP_KERNEL);
	if (!ddrdma_cmd.va) {
		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
		return -ENOMEM;
	}

	for (i = 0; i < 2; i++) {
		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
					4096, &ddrdma_cmd);
		if (ret != 0)
			goto err;
	}

err:
	dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
			  ddrdma_cmd.dma);
	return ret;
}

static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
				u64 *status)
{
	be_cmd_set_loopback(adapter, adapter->hba_port_num,
				loopback_type, 1);
	*status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
				loopback_type, 1500,
				2, 0xabc);
	be_cmd_set_loopback(adapter, adapter->hba_port_num,
				BE_NO_LOOPBACK, 1);
	return *status;
}

static void
be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	int status;
	u8 link_status = 0;

	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);

	if (test->flags & ETH_TEST_FL_OFFLINE) {
		if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
						&data[0]) != 0) {
			test->flags |= ETH_TEST_FL_FAILED;
		}
		if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
						&data[1]) != 0) {
			test->flags |= ETH_TEST_FL_FAILED;
		}
		if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
						&data[2]) != 0) {
			test->flags |= ETH_TEST_FL_FAILED;
		}
	}

	if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
		data[3] = 1;
		test->flags |= ETH_TEST_FL_FAILED;
	}

	status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
	if (status) {
		test->flags |= ETH_TEST_FL_FAILED;
		data[4] = -1;
	} else if (!link_status) {
		test->flags |= ETH_TEST_FL_FAILED;
		data[4] = 1;
	}
}

static int
be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	return be_load_fw(adapter, efl->data);
}

static int
be_get_eeprom_len(struct net_device *netdev)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	if (!check_privilege(adapter, MAX_PRIVILEGES))
		return 0;

	if (lancer_chip(adapter)) {
		if (be_physfn(adapter))
			return lancer_cmd_get_file_len(adapter,
					LANCER_VPD_PF_FILE);
		else
			return lancer_cmd_get_file_len(adapter,
					LANCER_VPD_VF_FILE);
	} else {
		return BE_READ_SEEPROM_LEN;
	}
}

static int
be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
			uint8_t *data)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	struct be_dma_mem eeprom_cmd;
	struct be_cmd_resp_seeprom_read *resp;
	int status;

	if (!eeprom->len)
		return -EINVAL;

	if (lancer_chip(adapter)) {
		if (be_physfn(adapter))
			return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
					eeprom->len, data);
		else
			return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
					eeprom->len, data);
	}

	eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);

	memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
	eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
	eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
					   &eeprom_cmd.dma, GFP_KERNEL);

	if (!eeprom_cmd.va) {
		dev_err(&adapter->pdev->dev,
			"Memory allocation failure. Could not read eeprom\n");
		return -ENOMEM;
	}

	status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);

	if (!status) {
		resp = eeprom_cmd.va;
		memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
	}
	dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
			  eeprom_cmd.dma);

	return status;
}

static u32 be_get_msg_level(struct net_device *netdev)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	if (lancer_chip(adapter)) {
		dev_err(&adapter->pdev->dev, "Operation not supported\n");
		return -EOPNOTSUPP;
	}

	return adapter->msg_enable;
}

static void be_set_fw_log_level(struct be_adapter *adapter, u32 level)
{
	struct be_dma_mem extfat_cmd;
	struct be_fat_conf_params *cfgs;
	int status;
	int i, j;

	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
	extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size,
					     &extfat_cmd.dma);
	if (!extfat_cmd.va) {
		dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
			__func__);
		goto err;
	}
	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
	if (!status) {
		cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
					sizeof(struct be_cmd_resp_hdr));
		for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
			u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
			for (j = 0; j < num_modes; j++) {
				if (cfgs->module[i].trace_lvl[j].mode ==
								MODE_UART)
					cfgs->module[i].trace_lvl[j].dbg_lvl =
							cpu_to_le32(level);
			}
		}
		status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd,
							cfgs);
		if (status)
			dev_err(&adapter->pdev->dev,
				"Message level set failed\n");
	} else {
		dev_err(&adapter->pdev->dev, "Message level get failed\n");
	}

	pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va,
			    extfat_cmd.dma);
err:
	return;
}

static void be_set_msg_level(struct net_device *netdev, u32 level)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	if (lancer_chip(adapter)) {
		dev_err(&adapter->pdev->dev, "Operation not supported\n");
		return;
	}

	if (adapter->msg_enable == level)
		return;

	if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
		be_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
				    FW_LOG_LEVEL_DEFAULT : FW_LOG_LEVEL_FATAL);
	adapter->msg_enable = level;

	return;
}

const struct ethtool_ops be_ethtool_ops = {
	.get_settings = be_get_settings,
	.get_drvinfo = be_get_drvinfo,
	.get_wol = be_get_wol,
	.set_wol = be_set_wol,
	.get_link = ethtool_op_get_link,
	.get_eeprom_len = be_get_eeprom_len,
	.get_eeprom = be_read_eeprom,
	.get_coalesce = be_get_coalesce,
	.set_coalesce = be_set_coalesce,
	.get_ringparam = be_get_ringparam,
	.get_pauseparam = be_get_pauseparam,
	.set_pauseparam = be_set_pauseparam,
	.get_strings = be_get_stat_strings,
	.set_phys_id = be_set_phys_id,
	.get_msglevel = be_get_msg_level,
	.set_msglevel = be_set_msg_level,
	.get_sset_count = be_get_sset_count,
	.get_ethtool_stats = be_get_ethtool_stats,
	.get_regs_len = be_get_reg_len,
	.get_regs = be_get_regs,
	.flash_device = be_do_flash,
	.self_test = be_self_test,
};
OpenPOWER on IntegriCloud