summaryrefslogtreecommitdiff
path: root/drivers/net/benet/be_ethtool.c
blob: 298b92cbd68948e3d54893a7e8f11885bda7c01c (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
/*
 * Copyright (C) 2005 - 2009 ServerEngines
 * 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@serverengines.com
 *
 * ServerEngines
 * 209 N. Fair Oaks Ave
 * Sunnyvale, CA 94085
 */

#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 {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT, ERXSTAT};
#define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
					offsetof(_struct, field)
#define NETSTAT_INFO(field) 	#field, NETSTAT,\
					FIELDINFO(struct net_device_stats,\
						field)
#define DRVSTAT_INFO(field) 	#field, DRVSTAT,\
					FIELDINFO(struct be_drvr_stats, field)
#define MISCSTAT_INFO(field) 	#field, MISCSTAT,\
					FIELDINFO(struct be_rxf_stats, field)
#define PORTSTAT_INFO(field) 	#field, PORTSTAT,\
					FIELDINFO(struct be_port_rxf_stats, \
						field)
#define ERXSTAT_INFO(field) 	#field, ERXSTAT,\
					FIELDINFO(struct be_erx_stats, field)

static const struct be_ethtool_stat et_stats[] = {
	{NETSTAT_INFO(rx_packets)},
	{NETSTAT_INFO(tx_packets)},
	{NETSTAT_INFO(rx_bytes)},
	{NETSTAT_INFO(tx_bytes)},
	{NETSTAT_INFO(rx_errors)},
	{NETSTAT_INFO(tx_errors)},
	{NETSTAT_INFO(rx_dropped)},
	{NETSTAT_INFO(tx_dropped)},
	{DRVSTAT_INFO(be_tx_reqs)},
	{DRVSTAT_INFO(be_tx_stops)},
	{DRVSTAT_INFO(be_fwd_reqs)},
	{DRVSTAT_INFO(be_tx_wrbs)},
	{DRVSTAT_INFO(be_rx_polls)},
	{DRVSTAT_INFO(be_tx_events)},
	{DRVSTAT_INFO(be_rx_events)},
	{DRVSTAT_INFO(be_tx_compl)},
	{DRVSTAT_INFO(be_rx_compl)},
	{DRVSTAT_INFO(be_ethrx_post_fail)},
	{DRVSTAT_INFO(be_802_3_dropped_frames)},
	{DRVSTAT_INFO(be_802_3_malformed_frames)},
	{DRVSTAT_INFO(be_tx_rate)},
	{DRVSTAT_INFO(be_rx_rate)},
	{PORTSTAT_INFO(rx_unicast_frames)},
	{PORTSTAT_INFO(rx_multicast_frames)},
	{PORTSTAT_INFO(rx_broadcast_frames)},
	{PORTSTAT_INFO(rx_crc_errors)},
	{PORTSTAT_INFO(rx_alignment_symbol_errors)},
	{PORTSTAT_INFO(rx_pause_frames)},
	{PORTSTAT_INFO(rx_control_frames)},
	{PORTSTAT_INFO(rx_in_range_errors)},
	{PORTSTAT_INFO(rx_out_range_errors)},
	{PORTSTAT_INFO(rx_frame_too_long)},
	{PORTSTAT_INFO(rx_address_match_errors)},
	{PORTSTAT_INFO(rx_vlan_mismatch)},
	{PORTSTAT_INFO(rx_dropped_too_small)},
	{PORTSTAT_INFO(rx_dropped_too_short)},
	{PORTSTAT_INFO(rx_dropped_header_too_small)},
	{PORTSTAT_INFO(rx_dropped_tcp_length)},
	{PORTSTAT_INFO(rx_dropped_runt)},
	{PORTSTAT_INFO(rx_fifo_overflow)},
	{PORTSTAT_INFO(rx_input_fifo_overflow)},
	{PORTSTAT_INFO(rx_ip_checksum_errs)},
	{PORTSTAT_INFO(rx_tcp_checksum_errs)},
	{PORTSTAT_INFO(rx_udp_checksum_errs)},
	{PORTSTAT_INFO(rx_non_rss_packets)},
	{PORTSTAT_INFO(rx_ipv4_packets)},
	{PORTSTAT_INFO(rx_ipv6_packets)},
	{PORTSTAT_INFO(tx_unicastframes)},
	{PORTSTAT_INFO(tx_multicastframes)},
	{PORTSTAT_INFO(tx_broadcastframes)},
	{PORTSTAT_INFO(tx_pauseframes)},
	{PORTSTAT_INFO(tx_controlframes)},
	{MISCSTAT_INFO(rx_drops_no_pbuf)},
	{MISCSTAT_INFO(rx_drops_no_txpb)},
	{MISCSTAT_INFO(rx_drops_no_erx_descr)},
	{MISCSTAT_INFO(rx_drops_no_tpre_descr)},
	{MISCSTAT_INFO(rx_drops_too_many_frags)},
	{MISCSTAT_INFO(rx_drops_invalid_ring)},
	{MISCSTAT_INFO(forwarded_packets)},
	{MISCSTAT_INFO(rx_drops_mtu)},
	{ERXSTAT_INFO(rx_drops_no_fragments)},
};
#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)

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

static void
be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	strcpy(drvinfo->driver, DRV_NAME);
	strcpy(drvinfo->version, DRV_VER);
	strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
	strcpy(drvinfo->bus_info, pci_name(adapter->pdev));
	drvinfo->testinfo_len = 0;
	drvinfo->regdump_len = 0;
	drvinfo->eedump_len = 0;
}

static int
be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	struct be_eq_obj *rx_eq = &adapter->rx_eq;
	struct be_eq_obj *tx_eq = &adapter->tx_eq;

	coalesce->rx_coalesce_usecs = rx_eq->cur_eqd;
	coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd;
	coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd;

	coalesce->tx_coalesce_usecs = tx_eq->cur_eqd;
	coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd;
	coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd;

	coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic;
	coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic;

	return 0;
}

/*
 * This routine is used to set interrup coalescing delay
 */
static int
be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	struct be_eq_obj *rx_eq = &adapter->rx_eq;
	struct be_eq_obj *tx_eq = &adapter->tx_eq;
	u32 tx_max, tx_min, tx_cur;
	u32 rx_max, rx_min, rx_cur;
	int status = 0;

	if (coalesce->use_adaptive_tx_coalesce == 1)
		return -EINVAL;

	/* if AIC is being turned on now, start with an EQD of 0 */
	if (rx_eq->enable_aic == 0 &&
		coalesce->use_adaptive_rx_coalesce == 1) {
		rx_eq->cur_eqd = 0;
	}
	rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce;

	rx_max = coalesce->rx_coalesce_usecs_high;
	rx_min = coalesce->rx_coalesce_usecs_low;
	rx_cur = coalesce->rx_coalesce_usecs;

	tx_max = coalesce->tx_coalesce_usecs_high;
	tx_min = coalesce->tx_coalesce_usecs_low;
	tx_cur = coalesce->tx_coalesce_usecs;

	if (tx_cur > BE_MAX_EQD)
		tx_cur = BE_MAX_EQD;
	if (tx_eq->cur_eqd != tx_cur) {
		status = be_cmd_modify_eqd(adapter, tx_eq->q.id, tx_cur);
		if (!status)
			tx_eq->cur_eqd = tx_cur;
	}

	if (rx_eq->enable_aic) {
		if (rx_max > BE_MAX_EQD)
			rx_max = BE_MAX_EQD;
		if (rx_min > rx_max)
			rx_min = rx_max;
		rx_eq->max_eqd = rx_max;
		rx_eq->min_eqd = rx_min;
		if (rx_eq->cur_eqd > rx_max)
			rx_eq->cur_eqd = rx_max;
		if (rx_eq->cur_eqd < rx_min)
			rx_eq->cur_eqd = rx_min;
	} else {
		if (rx_cur > BE_MAX_EQD)
			rx_cur = BE_MAX_EQD;
		if (rx_eq->cur_eqd != rx_cur) {
			status = be_cmd_modify_eqd(adapter, rx_eq->q.id,
					rx_cur);
			if (!status)
				rx_eq->cur_eqd = rx_cur;
		}
	}
	return 0;
}

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

	return adapter->rx_csum;
}

static int be_set_rx_csum(struct net_device *netdev, uint32_t data)
{
	struct be_adapter *adapter = netdev_priv(netdev);

	if (data)
		adapter->rx_csum = true;
	else
		adapter->rx_csum = false;

	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_drvr_stats *drvr_stats = &adapter->stats.drvr_stats;
	struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va);
	struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
	struct be_port_rxf_stats *port_stats =
			&rxf_stats->port[adapter->port_num];
	struct net_device_stats *net_stats = &netdev->stats;
	struct be_erx_stats *erx_stats = &hw_stats->erx;
	void *p = NULL;
	int i;

	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
		switch (et_stats[i].type) {
		case NETSTAT:
			p = net_stats;
			break;
		case DRVSTAT:
			p = drvr_stats;
			break;
		case PORTSTAT:
			p = port_stats;
			break;
		case MISCSTAT:
			p = rxf_stats;
			break;
		case ERXSTAT: /* Currently only one ERX stat is provided */
			p = (u32 *)erx_stats + adapter->rx_obj.q.id;
			break;
		}

		p = (u8 *)p + et_stats[i].offset;
		data[i] = (et_stats[i].size == sizeof(u64)) ?
				*(u64 *)p: *(u32 *)p;
	}

	return;
}

static void
be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
		uint8_t *data)
{
	int i;
	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;
		}
		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)
{
	switch (stringset) {
	case ETH_SS_TEST:
		return ETHTOOL_TESTS_NUM;
	case ETH_SS_STATS:
		return ETHTOOL_STATS_NUM;
	default:
		return -EINVAL;
	}
}

static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	u8 mac_speed = 0, connector = 0;
	u16 link_speed = 0;
	bool link_up = false;
	int status;

	if (adapter->link_speed < 0) {
		status = be_cmd_link_status_query(adapter, &link_up,
						&mac_speed, &link_speed);

		/* link_speed is in units of 10 Mbps */
		if (link_speed) {
			ecmd->speed = link_speed*10;
		} else {
			switch (mac_speed) {
			case PHY_LINK_SPEED_1GBPS:
				ecmd->speed = SPEED_1000;
				break;
			case PHY_LINK_SPEED_10GBPS:
				ecmd->speed = SPEED_10000;
				break;
			}
		}

		status = be_cmd_read_port_type(adapter, adapter->port_num,
						&connector);
		switch (connector) {
		case 7:
			ecmd->port = PORT_FIBRE;
			break;
		default:
			ecmd->port = PORT_TP;
			break;
		}

		/* Save for future use */
		adapter->link_speed = ecmd->speed;
		adapter->port_type = ecmd->port;
	} else {
		ecmd->speed = adapter->link_speed;
		ecmd->port = adapter->port_type;
	}

	ecmd->duplex = DUPLEX_FULL;
	ecmd->autoneg = AUTONEG_DISABLE;
	ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_TP);
	ecmd->phy_address = adapter->port_num;
	ecmd->transceiver = XCVR_INTERNAL;

	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 = adapter->rx_obj.q.len;
	ring->tx_max_pending = adapter->tx_obj.q.len;

	ring->rx_pending = atomic_read(&adapter->rx_obj.q.used);
	ring->tx_pending = atomic_read(&adapter->tx_obj.q.used);
}

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 = 0;
}

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 != 0)
		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_phys_id(struct net_device *netdev, u32 data)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	int status;
	u32 cur;

	be_cmd_get_beacon_state(adapter, adapter->port_num, &cur);

	if (cur == BEACON_STATE_ENABLED)
		return 0;

	if (data < 2)
		data = 2;

	status = be_cmd_set_beacon_state(adapter, adapter->port_num, 0, 0,
			BEACON_STATE_ENABLED);
	set_current_state(TASK_INTERRUPTIBLE);
	schedule_timeout(data*HZ);

	status = be_cmd_set_beacon_state(adapter, adapter->port_num, 0, 0,
			BEACON_STATE_DISABLED);

	return status;
}

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

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

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 -EINVAL;

	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;
	u64 pattern[2] = {0x5a5a5a5a5a5a5a5a, 0xa5a5a5a5a5a5a5a5};

	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
	ddrdma_cmd.va = pci_alloc_consistent(adapter->pdev, ddrdma_cmd.size,
					&ddrdma_cmd.dma);
	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:
	pci_free_consistent(adapter->pdev, ddrdma_cmd.size,
			ddrdma_cmd.va, ddrdma_cmd.dma);
	return ret;
}

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

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

	if (test->flags & ETH_TEST_FL_OFFLINE) {
		data[0] = be_cmd_loopback_test(adapter, adapter->port_num,
						BE_MAC_LOOPBACK, 1500,
						2, 0xabc);
		if (data[0] != 0)
			test->flags |= ETH_TEST_FL_FAILED;

		data[1] = be_cmd_loopback_test(adapter, adapter->port_num,
						BE_PHY_LOOPBACK, 1500,
						2, 0xabc);
		if (data[1] != 0)
			test->flags |= ETH_TEST_FL_FAILED;

		data[2] = be_cmd_loopback_test(adapter, adapter->port_num,
						BE_ONE_PORT_EXT_LOOPBACK,
						1500, 2, 0xabc);
		if (data[2] != 0)
			test->flags |= ETH_TEST_FL_FAILED;

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

}

static int
be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
{
	struct be_adapter *adapter = netdev_priv(netdev);
	char file_name[ETHTOOL_FLASH_MAX_FILENAME];
	u32 region;

	file_name[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
	strcpy(file_name, efl->data);
	region = efl->region;

	return be_load_fw(adapter, file_name);
}

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_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_rx_csum = be_get_rx_csum,
	.set_rx_csum = be_set_rx_csum,
	.get_tx_csum = ethtool_op_get_tx_csum,
	.set_tx_csum = ethtool_op_set_tx_hw_csum,
	.get_sg = ethtool_op_get_sg,
	.set_sg = ethtool_op_set_sg,
	.get_tso = ethtool_op_get_tso,
	.set_tso = ethtool_op_set_tso,
	.get_strings = be_get_stat_strings,
	.phys_id = be_phys_id,
	.get_sset_count = be_get_sset_count,
	.get_ethtool_stats = be_get_ethtool_stats,
	.flash_device = be_do_flash,
	.self_test = be_self_test,
};