Free Electrons

Embedded Linux Experts

  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
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/list.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/pagemap.h>
#include <linux/sched.h>
#include <linux/dmapool.h>
#include <linux/mempool.h>
#include <linux/spinlock.h>
#include <linux/kthread.h>
#include <linux/interrupt.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <net/ipv6.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>


#include "qlge.h"

static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
	"Loopback test  (offline)"
};
#define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)

static int ql_update_ring_coalescing(struct ql_adapter *qdev)
{
	int i, status = 0;
	struct rx_ring *rx_ring;
	struct cqicb *cqicb;

	if (!netif_running(qdev->ndev))
		return status;

	/* Skip the default queue, and update the outbound handler
	 * queues if they changed.
	 */
	cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
		le16_to_cpu(cqicb->pkt_delay) !=
				qdev->tx_max_coalesced_frames) {
		for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
			rx_ring = &qdev->rx_ring[i];
			cqicb = (struct cqicb *)rx_ring;
			cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
			cqicb->pkt_delay =
			    cpu_to_le16(qdev->tx_max_coalesced_frames);
			cqicb->flags = FLAGS_LI;
			status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
						CFG_LCQ, rx_ring->cq_id);
			if (status) {
				netif_err(qdev, ifup, qdev->ndev,
					  "Failed to load CQICB.\n");
				goto exit;
			}
		}
	}

	/* Update the inbound (RSS) handler queues if they changed. */
	cqicb = (struct cqicb *)&qdev->rx_ring[0];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
		le16_to_cpu(cqicb->pkt_delay) !=
					qdev->rx_max_coalesced_frames) {
		for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
			rx_ring = &qdev->rx_ring[i];
			cqicb = (struct cqicb *)rx_ring;
			cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
			cqicb->pkt_delay =
			    cpu_to_le16(qdev->rx_max_coalesced_frames);
			cqicb->flags = FLAGS_LI;
			status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
						CFG_LCQ, rx_ring->cq_id);
			if (status) {
				netif_err(qdev, ifup, qdev->ndev,
					  "Failed to load CQICB.\n");
				goto exit;
			}
		}
	}
exit:
	return status;
}

static void ql_update_stats(struct ql_adapter *qdev)
{
	u32 i;
	u64 data;
	u64 *iter = &qdev->nic_stats.tx_pkts;

	spin_lock(&qdev->stats_lock);
	if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
			netif_err(qdev, drv, qdev->ndev,
				  "Couldn't get xgmac sem.\n");
		goto quit;
	}
	/*
	 * Get TX statistics.
	 */
	for (i = 0x200; i < 0x280; i += 8) {
		if (ql_read_xgmac_reg64(qdev, i, &data)) {
			netif_err(qdev, drv, qdev->ndev,
				  "Error reading status register 0x%.04x.\n",
				  i);
			goto end;
		} else
			*iter = data;
		iter++;
	}

	/*
	 * Get RX statistics.
	 */
	for (i = 0x300; i < 0x3d0; i += 8) {
		if (ql_read_xgmac_reg64(qdev, i, &data)) {
			netif_err(qdev, drv, qdev->ndev,
				  "Error reading status register 0x%.04x.\n",
				  i);
			goto end;
		} else
			*iter = data;
		iter++;
	}

	/*
	 * Get Per-priority TX pause frame counter statistics.
	 */
	for (i = 0x500; i < 0x540; i += 8) {
		if (ql_read_xgmac_reg64(qdev, i, &data)) {
			netif_err(qdev, drv, qdev->ndev,
				  "Error reading status register 0x%.04x.\n",
				  i);
			goto end;
		} else
			*iter = data;
		iter++;
	}

	/*
	 * Get Per-priority RX pause frame counter statistics.
	 */
	for (i = 0x568; i < 0x5a8; i += 8) {
		if (ql_read_xgmac_reg64(qdev, i, &data)) {
			netif_err(qdev, drv, qdev->ndev,
				  "Error reading status register 0x%.04x.\n",
				  i);
			goto end;
		} else
			*iter = data;
		iter++;
	}

	/*
	 * Get RX NIC FIFO DROP statistics.
	 */
	if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
		netif_err(qdev, drv, qdev->ndev,
			  "Error reading status register 0x%.04x.\n", i);
		goto end;
	} else
		*iter = data;
end:
	ql_sem_unlock(qdev, qdev->xg_sem_mask);
quit:
	spin_unlock(&qdev->stats_lock);

	QL_DUMP_STAT(qdev);
}

static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
	{"tx_pkts"},
	{"tx_bytes"},
	{"tx_mcast_pkts"},
	{"tx_bcast_pkts"},
	{"tx_ucast_pkts"},
	{"tx_ctl_pkts"},
	{"tx_pause_pkts"},
	{"tx_64_pkts"},
	{"tx_65_to_127_pkts"},
	{"tx_128_to_255_pkts"},
	{"tx_256_511_pkts"},
	{"tx_512_to_1023_pkts"},
	{"tx_1024_to_1518_pkts"},
	{"tx_1519_to_max_pkts"},
	{"tx_undersize_pkts"},
	{"tx_oversize_pkts"},
	{"rx_bytes"},
	{"rx_bytes_ok"},
	{"rx_pkts"},
	{"rx_pkts_ok"},
	{"rx_bcast_pkts"},
	{"rx_mcast_pkts"},
	{"rx_ucast_pkts"},
	{"rx_undersize_pkts"},
	{"rx_oversize_pkts"},
	{"rx_jabber_pkts"},
	{"rx_undersize_fcerr_pkts"},
	{"rx_drop_events"},
	{"rx_fcerr_pkts"},
	{"rx_align_err"},
	{"rx_symbol_err"},
	{"rx_mac_err"},
	{"rx_ctl_pkts"},
	{"rx_pause_pkts"},
	{"rx_64_pkts"},
	{"rx_65_to_127_pkts"},
	{"rx_128_255_pkts"},
	{"rx_256_511_pkts"},
	{"rx_512_to_1023_pkts"},
	{"rx_1024_to_1518_pkts"},
	{"rx_1519_to_max_pkts"},
	{"rx_len_err_pkts"},
	{"tx_cbfc_pause_frames0"},
	{"tx_cbfc_pause_frames1"},
	{"tx_cbfc_pause_frames2"},
	{"tx_cbfc_pause_frames3"},
	{"tx_cbfc_pause_frames4"},
	{"tx_cbfc_pause_frames5"},
	{"tx_cbfc_pause_frames6"},
	{"tx_cbfc_pause_frames7"},
	{"rx_cbfc_pause_frames0"},
	{"rx_cbfc_pause_frames1"},
	{"rx_cbfc_pause_frames2"},
	{"rx_cbfc_pause_frames3"},
	{"rx_cbfc_pause_frames4"},
	{"rx_cbfc_pause_frames5"},
	{"rx_cbfc_pause_frames6"},
	{"rx_cbfc_pause_frames7"},
	{"rx_nic_fifo_drop"},
};

static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	switch (stringset) {
	case ETH_SS_STATS:
		memcpy(buf, ql_stats_str_arr, sizeof(ql_stats_str_arr));
		break;
	}
}

static int ql_get_sset_count(struct net_device *dev, int sset)
{
	switch (sset) {
	case ETH_SS_TEST:
		return QLGE_TEST_LEN;
	case ETH_SS_STATS:
		return ARRAY_SIZE(ql_stats_str_arr);
	default:
		return -EOPNOTSUPP;
	}
}

static void
ql_get_ethtool_stats(struct net_device *ndev,
		     struct ethtool_stats *stats, u64 *data)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	struct nic_stats *s = &qdev->nic_stats;

	ql_update_stats(qdev);

	*data++ = s->tx_pkts;
	*data++ = s->tx_bytes;
	*data++ = s->tx_mcast_pkts;
	*data++ = s->tx_bcast_pkts;
	*data++ = s->tx_ucast_pkts;
	*data++ = s->tx_ctl_pkts;
	*data++ = s->tx_pause_pkts;
	*data++ = s->tx_64_pkt;
	*data++ = s->tx_65_to_127_pkt;
	*data++ = s->tx_128_to_255_pkt;
	*data++ = s->tx_256_511_pkt;
	*data++ = s->tx_512_to_1023_pkt;
	*data++ = s->tx_1024_to_1518_pkt;
	*data++ = s->tx_1519_to_max_pkt;
	*data++ = s->tx_undersize_pkt;
	*data++ = s->tx_oversize_pkt;
	*data++ = s->rx_bytes;
	*data++ = s->rx_bytes_ok;
	*data++ = s->rx_pkts;
	*data++ = s->rx_pkts_ok;
	*data++ = s->rx_bcast_pkts;
	*data++ = s->rx_mcast_pkts;
	*data++ = s->rx_ucast_pkts;
	*data++ = s->rx_undersize_pkts;
	*data++ = s->rx_oversize_pkts;
	*data++ = s->rx_jabber_pkts;
	*data++ = s->rx_undersize_fcerr_pkts;
	*data++ = s->rx_drop_events;
	*data++ = s->rx_fcerr_pkts;
	*data++ = s->rx_align_err;
	*data++ = s->rx_symbol_err;
	*data++ = s->rx_mac_err;
	*data++ = s->rx_ctl_pkts;
	*data++ = s->rx_pause_pkts;
	*data++ = s->rx_64_pkts;
	*data++ = s->rx_65_to_127_pkts;
	*data++ = s->rx_128_255_pkts;
	*data++ = s->rx_256_511_pkts;
	*data++ = s->rx_512_to_1023_pkts;
	*data++ = s->rx_1024_to_1518_pkts;
	*data++ = s->rx_1519_to_max_pkts;
	*data++ = s->rx_len_err_pkts;
	*data++ = s->tx_cbfc_pause_frames0;
	*data++ = s->tx_cbfc_pause_frames1;
	*data++ = s->tx_cbfc_pause_frames2;
	*data++ = s->tx_cbfc_pause_frames3;
	*data++ = s->tx_cbfc_pause_frames4;
	*data++ = s->tx_cbfc_pause_frames5;
	*data++ = s->tx_cbfc_pause_frames6;
	*data++ = s->tx_cbfc_pause_frames7;
	*data++ = s->rx_cbfc_pause_frames0;
	*data++ = s->rx_cbfc_pause_frames1;
	*data++ = s->rx_cbfc_pause_frames2;
	*data++ = s->rx_cbfc_pause_frames3;
	*data++ = s->rx_cbfc_pause_frames4;
	*data++ = s->rx_cbfc_pause_frames5;
	*data++ = s->rx_cbfc_pause_frames6;
	*data++ = s->rx_cbfc_pause_frames7;
	*data++ = s->rx_nic_fifo_drop;
}

static int ql_get_settings(struct net_device *ndev,
			      struct ethtool_cmd *ecmd)
{
	struct ql_adapter *qdev = netdev_priv(ndev);

	ecmd->supported = SUPPORTED_10000baseT_Full;
	ecmd->advertising = ADVERTISED_10000baseT_Full;
	ecmd->autoneg = AUTONEG_ENABLE;
	ecmd->transceiver = XCVR_EXTERNAL;
	if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
				STS_LINK_TYPE_10GBASET) {
		ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
		ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
		ecmd->port = PORT_TP;
	} else {
		ecmd->supported |= SUPPORTED_FIBRE;
		ecmd->advertising |= ADVERTISED_FIBRE;
		ecmd->port = PORT_FIBRE;
	}

	ecmd->speed = SPEED_10000;
	ecmd->duplex = DUPLEX_FULL;

	return 0;
}

static void ql_get_drvinfo(struct net_device *ndev,
			   struct ethtool_drvinfo *drvinfo)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	strncpy(drvinfo->driver, qlge_driver_name, 32);
	strncpy(drvinfo->version, qlge_driver_version, 32);
	snprintf(drvinfo->fw_version, 32, "v%d.%d.%d",
		 (qdev->fw_rev_id & 0x00ff0000) >> 16,
		 (qdev->fw_rev_id & 0x0000ff00) >> 8,
		 (qdev->fw_rev_id & 0x000000ff));
	strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
	drvinfo->n_stats = 0;
	drvinfo->testinfo_len = 0;
	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
		drvinfo->regdump_len = sizeof(struct ql_mpi_coredump);
	else
		drvinfo->regdump_len = sizeof(struct ql_reg_dump);
	drvinfo->eedump_len = 0;
}

static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	/* What we support. */
	wol->supported = WAKE_MAGIC;
	/* What we've currently got set. */
	wol->wolopts = qdev->wol;
}

static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	int status;

	if (wol->wolopts & ~WAKE_MAGIC)
		return -EINVAL;
	qdev->wol = wol->wolopts;

	netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
	if (!qdev->wol) {
		u32 wol = 0;
		status = ql_mb_wol_mode(qdev, wol);
		netif_err(qdev, drv, qdev->ndev, "WOL %s (wol code 0x%x)\n",
			  status == 0 ? "cleared successfully" : "clear failed",
			  wol);
	}

	return 0;
}

static int ql_phys_id(struct net_device *ndev, u32 data)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	u32 led_reg, i;
	int status;

	/* Save the current LED settings */
	status = ql_mb_get_led_cfg(qdev);
	if (status)
		return status;
	led_reg = qdev->led_config;

	/* Start blinking the led */
	if (!data || data > 300)
		data = 300;

	for (i = 0; i < (data * 10); i++)
		ql_mb_set_led_cfg(qdev, QL_LED_BLINK);

	/* Restore LED settings */
	status = ql_mb_set_led_cfg(qdev, led_reg);
	if (status)
		return status;

	return 0;
}

static int ql_start_loopback(struct ql_adapter *qdev)
{
	if (netif_carrier_ok(qdev->ndev)) {
		set_bit(QL_LB_LINK_UP, &qdev->flags);
		netif_carrier_off(qdev->ndev);
	} else
		clear_bit(QL_LB_LINK_UP, &qdev->flags);
	qdev->link_config |= CFG_LOOPBACK_PCS;
	return ql_mb_set_port_cfg(qdev);
}

static void ql_stop_loopback(struct ql_adapter *qdev)
{
	qdev->link_config &= ~CFG_LOOPBACK_PCS;
	ql_mb_set_port_cfg(qdev);
	if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
		netif_carrier_on(qdev->ndev);
		clear_bit(QL_LB_LINK_UP, &qdev->flags);
	}
}

static void ql_create_lb_frame(struct sk_buff *skb,
					unsigned int frame_size)
{
	memset(skb->data, 0xFF, frame_size);
	frame_size &= ~1;
	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
}

void ql_check_lb_frame(struct ql_adapter *qdev,
					struct sk_buff *skb)
{
	unsigned int frame_size = skb->len;

	if ((*(skb->data + 3) == 0xFF) &&
		(*(skb->data + frame_size / 2 + 10) == 0xBE) &&
		(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
			atomic_dec(&qdev->lb_count);
			return;
	}
}

static int ql_run_loopback_test(struct ql_adapter *qdev)
{
	int i;
	netdev_tx_t rc;
	struct sk_buff *skb;
	unsigned int size = SMALL_BUF_MAP_SIZE;

	for (i = 0; i < 64; i++) {
		skb = netdev_alloc_skb(qdev->ndev, size);
		if (!skb)
			return -ENOMEM;

		skb->queue_mapping = 0;
		skb_put(skb, size);
		ql_create_lb_frame(skb, size);
		rc = ql_lb_send(skb, qdev->ndev);
		if (rc != NETDEV_TX_OK)
			return -EPIPE;
		atomic_inc(&qdev->lb_count);
	}
	/* Give queue time to settle before testing results. */
	msleep(2);
	ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
	return atomic_read(&qdev->lb_count) ? -EIO : 0;
}

static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
{
	*data = ql_start_loopback(qdev);
	if (*data)
		goto out;
	*data = ql_run_loopback_test(qdev);
out:
	ql_stop_loopback(qdev);
	return *data;
}

static void ql_self_test(struct net_device *ndev,
				struct ethtool_test *eth_test, u64 *data)
{
	struct ql_adapter *qdev = netdev_priv(ndev);

	if (netif_running(ndev)) {
		set_bit(QL_SELFTEST, &qdev->flags);
		if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
			/* Offline tests */
			if (ql_loopback_test(qdev, &data[0]))
				eth_test->flags |= ETH_TEST_FL_FAILED;

		} else {
			/* Online tests */
			data[0] = 0;
		}
		clear_bit(QL_SELFTEST, &qdev->flags);
		/* Give link time to come up after
		 * port configuration changes.
		 */
		msleep_interruptible(4 * 1000);
	} else {
		netif_err(qdev, drv, qdev->ndev,
			  "is down, Loopback test will fail.\n");
		eth_test->flags |= ETH_TEST_FL_FAILED;
	}
}

static int ql_get_regs_len(struct net_device *ndev)
{
	struct ql_adapter *qdev = netdev_priv(ndev);

	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
		return sizeof(struct ql_mpi_coredump);
	else
		return sizeof(struct ql_reg_dump);
}

static void ql_get_regs(struct net_device *ndev,
			struct ethtool_regs *regs, void *p)
{
	struct ql_adapter *qdev = netdev_priv(ndev);

	ql_get_dump(qdev, p);
	qdev->core_is_dumped = 0;
	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
		regs->len = sizeof(struct ql_mpi_coredump);
	else
		regs->len = sizeof(struct ql_reg_dump);
}

static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
{
	struct ql_adapter *qdev = netdev_priv(dev);

	c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
	c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;

	/* This chip coalesces as follows:
	 * If a packet arrives, hold off interrupts until
	 * cqicb->int_delay expires, but if no other packets arrive don't
	 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
	 * timer to coalesce on a frame basis.  So, we have to take ethtool's
	 * max_coalesced_frames value and convert it to a delay in microseconds.
	 * We do this by using a basic thoughput of 1,000,000 frames per
	 * second @ (1024 bytes).  This means one frame per usec. So it's a
	 * simple one to one ratio.
	 */
	c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
	c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;

	return 0;
}

static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
{
	struct ql_adapter *qdev = netdev_priv(ndev);

	/* Validate user parameters. */
	if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
		return -EINVAL;
       /* Don't wait more than 10 usec. */
	if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
		return -EINVAL;
	if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
		return -EINVAL;
	if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
		return -EINVAL;

	/* Verify a change took place before updating the hardware. */
	if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
	    qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
	    qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
	    qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
		return 0;

	qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
	qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
	qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
	qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;

	return ql_update_ring_coalescing(qdev);
}

static void ql_get_pauseparam(struct net_device *netdev,
			struct ethtool_pauseparam *pause)
{
	struct ql_adapter *qdev = netdev_priv(netdev);

	ql_mb_get_port_cfg(qdev);
	if (qdev->link_config & CFG_PAUSE_STD) {
		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
}

static int ql_set_pauseparam(struct net_device *netdev,
			struct ethtool_pauseparam *pause)
{
	struct ql_adapter *qdev = netdev_priv(netdev);
	int status = 0;

	if ((pause->rx_pause) && (pause->tx_pause))
		qdev->link_config |= CFG_PAUSE_STD;
	else if (!pause->rx_pause && !pause->tx_pause)
		qdev->link_config &= ~CFG_PAUSE_STD;
	else
		return -EINVAL;

	status = ql_mb_set_port_cfg(qdev);
	if (status)
		return status;
	return status;
}

static u32 ql_get_rx_csum(struct net_device *netdev)
{
	struct ql_adapter *qdev = netdev_priv(netdev);
	return qdev->rx_csum;
}

static int ql_set_rx_csum(struct net_device *netdev, uint32_t data)
{
	struct ql_adapter *qdev = netdev_priv(netdev);
	qdev->rx_csum = data;
	return 0;
}

static int ql_set_tso(struct net_device *ndev, uint32_t data)
{

	if (data) {
		ndev->features |= NETIF_F_TSO;
		ndev->features |= NETIF_F_TSO6;
	} else {
		ndev->features &= ~NETIF_F_TSO;
		ndev->features &= ~NETIF_F_TSO6;
	}
	return 0;
}

static u32 ql_get_msglevel(struct net_device *ndev)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	return qdev->msg_enable;
}

static void ql_set_msglevel(struct net_device *ndev, u32 value)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	qdev->msg_enable = value;
}

const struct ethtool_ops qlge_ethtool_ops = {
	.get_settings = ql_get_settings,
	.get_drvinfo = ql_get_drvinfo,
	.get_wol = ql_get_wol,
	.set_wol = ql_set_wol,
	.get_regs_len	= ql_get_regs_len,
	.get_regs = ql_get_regs,
	.get_msglevel = ql_get_msglevel,
	.set_msglevel = ql_set_msglevel,
	.get_link = ethtool_op_get_link,
	.phys_id		 = ql_phys_id,
	.self_test		 = ql_self_test,
	.get_pauseparam		 = ql_get_pauseparam,
	.set_pauseparam		 = ql_set_pauseparam,
	.get_rx_csum = ql_get_rx_csum,
	.set_rx_csum = ql_set_rx_csum,
	.get_tx_csum = ethtool_op_get_tx_csum,
	.set_tx_csum = ethtool_op_set_tx_csum,
	.get_sg = ethtool_op_get_sg,
	.set_sg = ethtool_op_set_sg,
	.get_tso = ethtool_op_get_tso,
	.set_tso = ql_set_tso,
	.get_coalesce = ql_get_coalesce,
	.set_coalesce = ql_set_coalesce,
	.get_sset_count = ql_get_sset_count,
	.get_strings = ql_get_strings,
	.get_ethtool_stats = ql_get_ethtool_stats,
};