summaryrefslogtreecommitdiffstats
path: root/drivers/net/enic/enic_ethdev.c
blob: 669dbf3363fde43fd6330aba19d86f91bf9b17fa (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
/*
 * Copyright 2008-2014 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * Copyright (c) 2014, Cisco Systems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in
 * the documentation and/or other materials provided with the
 * distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <stdio.h>
#include <stdint.h>

#include <rte_dev.h>
#include <rte_pci.h>
#include <rte_bus_pci.h>
#include <rte_ethdev.h>
#include <rte_ethdev_pci.h>
#include <rte_string_fns.h>

#include "vnic_intr.h"
#include "vnic_cq.h"
#include "vnic_wq.h"
#include "vnic_rq.h"
#include "vnic_enet.h"
#include "enic.h"

#ifdef RTE_LIBRTE_ENIC_DEBUG
#define ENICPMD_FUNC_TRACE() \
	RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
#else
#define ENICPMD_FUNC_TRACE() (void)0
#endif

/*
 * The set of PCI devices this driver supports
 */
#define CISCO_PCI_VENDOR_ID 0x1137
static const struct rte_pci_id pci_id_enic_map[] = {
	{ RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
	{ RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
	{.vendor_id = 0, /* sentinel */},
};

static int
enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
			enum rte_filter_op filter_op, void *arg)
{
	struct enic *enic = pmd_priv(eth_dev);
	int ret = 0;

	ENICPMD_FUNC_TRACE();
	if (filter_op == RTE_ETH_FILTER_NOP)
		return 0;

	if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
		return -EINVAL;

	switch (filter_op) {
	case RTE_ETH_FILTER_ADD:
	case RTE_ETH_FILTER_UPDATE:
		ret = enic_fdir_add_fltr(enic,
			(struct rte_eth_fdir_filter *)arg);
		break;

	case RTE_ETH_FILTER_DELETE:
		ret = enic_fdir_del_fltr(enic,
			(struct rte_eth_fdir_filter *)arg);
		break;

	case RTE_ETH_FILTER_STATS:
		enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
		break;

	case RTE_ETH_FILTER_FLUSH:
		dev_warning(enic, "unsupported operation %u", filter_op);
		ret = -ENOTSUP;
		break;
	case RTE_ETH_FILTER_INFO:
		enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
		break;
	default:
		dev_err(enic, "unknown operation %u", filter_op);
		ret = -EINVAL;
		break;
	}
	return ret;
}

static int
enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
		     enum rte_filter_type filter_type,
		     enum rte_filter_op filter_op,
		     void *arg)
{
	int ret = 0;

	ENICPMD_FUNC_TRACE();

	switch (filter_type) {
	case RTE_ETH_FILTER_GENERIC:
		if (filter_op != RTE_ETH_FILTER_GET)
			return -EINVAL;
		*(const void **)arg = &enic_flow_ops;
		break;
	case RTE_ETH_FILTER_FDIR:
		ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
		break;
	default:
		dev_warning(enic, "Filter type (%d) not supported",
			filter_type);
		ret = -EINVAL;
		break;
	}

	return ret;
}

static void enicpmd_dev_tx_queue_release(void *txq)
{
	ENICPMD_FUNC_TRACE();

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return;

	enic_free_wq(txq);
}

static int enicpmd_dev_setup_intr(struct enic *enic)
{
	int ret;
	unsigned int index;

	ENICPMD_FUNC_TRACE();

	/* Are we done with the init of all the queues? */
	for (index = 0; index < enic->cq_count; index++) {
		if (!enic->cq[index].ctrl)
			break;
	}
	if (enic->cq_count != index)
		return 0;
	for (index = 0; index < enic->wq_count; index++) {
		if (!enic->wq[index].ctrl)
			break;
	}
	if (enic->wq_count != index)
		return 0;
	/* check start of packet (SOP) RQs only in case scatter is disabled. */
	for (index = 0; index < enic->rq_count; index++) {
		if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
			break;
	}
	if (enic->rq_count != index)
		return 0;

	ret = enic_alloc_intr_resources(enic);
	if (ret) {
		dev_err(enic, "alloc intr failed\n");
		return ret;
	}
	enic_init_vnic_resources(enic);

	ret = enic_setup_finish(enic);
	if (ret)
		dev_err(enic, "setup could not be finished\n");

	return ret;
}

static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
	uint16_t queue_idx,
	uint16_t nb_desc,
	unsigned int socket_id,
	__rte_unused const struct rte_eth_txconf *tx_conf)
{
	int ret;
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return -E_RTE_SECONDARY;

	ENICPMD_FUNC_TRACE();
	if (queue_idx >= ENIC_WQ_MAX) {
		dev_err(enic,
			"Max number of TX queues exceeded.  Max is %d\n",
			ENIC_WQ_MAX);
		return -EINVAL;
	}

	eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];

	ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
	if (ret) {
		dev_err(enic, "error in allocating wq\n");
		return ret;
	}

	return enicpmd_dev_setup_intr(enic);
}

static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
	uint16_t queue_idx)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();

	enic_start_wq(enic, queue_idx);

	return 0;
}

static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
	uint16_t queue_idx)
{
	int ret;
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();

	ret = enic_stop_wq(enic, queue_idx);
	if (ret)
		dev_err(enic, "error in stopping wq %d\n", queue_idx);

	return ret;
}

static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
	uint16_t queue_idx)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();

	enic_start_rq(enic, queue_idx);

	return 0;
}

static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
	uint16_t queue_idx)
{
	int ret;
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();

	ret = enic_stop_rq(enic, queue_idx);
	if (ret)
		dev_err(enic, "error in stopping rq %d\n", queue_idx);

	return ret;
}

static void enicpmd_dev_rx_queue_release(void *rxq)
{
	ENICPMD_FUNC_TRACE();

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return;

	enic_free_rq(rxq);
}

static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
					   uint16_t rx_queue_id)
{
	struct enic *enic = pmd_priv(dev);
	uint32_t queue_count = 0;
	struct vnic_cq *cq;
	uint32_t cq_tail;
	uint16_t cq_idx;
	int rq_num;

	rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
	cq = &enic->cq[enic_cq_rq(enic, rq_num)];
	cq_idx = cq->to_clean;

	cq_tail = ioread32(&cq->ctrl->cq_tail);

	if (cq_tail < cq_idx)
		cq_tail += cq->ring.desc_count;

	queue_count = cq_tail - cq_idx;

	return queue_count;
}

static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
	uint16_t queue_idx,
	uint16_t nb_desc,
	unsigned int socket_id,
	const struct rte_eth_rxconf *rx_conf,
	struct rte_mempool *mp)
{
	int ret;
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return -E_RTE_SECONDARY;

	/* With Rx scatter support, two RQs are now used on VIC per RQ used
	 * by the application.
	 */
	if (queue_idx * 2 >= ENIC_RQ_MAX) {
		dev_err(enic,
			"Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
			ENIC_RQ_MAX);
		return -EINVAL;
	}

	eth_dev->data->rx_queues[queue_idx] =
		(void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];

	ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
			    rx_conf->rx_free_thresh);
	if (ret) {
		dev_err(enic, "error in allocating rq\n");
		return ret;
	}

	return enicpmd_dev_setup_intr(enic);
}

static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
	uint16_t vlan_id, int on)
{
	struct enic *enic = pmd_priv(eth_dev);
	int err;

	ENICPMD_FUNC_TRACE();
	if (on)
		err = enic_add_vlan(enic, vlan_id);
	else
		err = enic_del_vlan(enic, vlan_id);
	return err;
}

static int enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();

	if (mask & ETH_VLAN_STRIP_MASK) {
		if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
			enic->ig_vlan_strip_en = 1;
		else
			enic->ig_vlan_strip_en = 0;
	}
	enic_set_rss_nic_cfg(enic);


	if (mask & ETH_VLAN_FILTER_MASK) {
		dev_warning(enic,
			"Configuration of VLAN filter is not supported\n");
	}

	if (mask & ETH_VLAN_EXTEND_MASK) {
		dev_warning(enic,
			"Configuration of extended VLAN is not supported\n");
	}

	return 0;
}

static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
{
	int ret;
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return -E_RTE_SECONDARY;

	ENICPMD_FUNC_TRACE();
	ret = enic_set_vnic_res(enic);
	if (ret) {
		dev_err(enic, "Set vNIC resource num  failed, aborting\n");
		return ret;
	}

	if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
		eth_dev->data->dev_conf.rxmode.header_split) {
		/* Enable header-data-split */
		enic_set_hdr_split_size(enic,
			eth_dev->data->dev_conf.rxmode.split_hdr_size);
	}

	enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
	ret = enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);

	return ret;
}

/* Start the device.
 * It returns 0 on success.
 */
static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
{
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return -E_RTE_SECONDARY;

	ENICPMD_FUNC_TRACE();
	return enic_enable(enic);
}

/*
 * Stop device: disable rx and tx functions to allow for reconfiguring.
 */
static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
{
	struct rte_eth_link link;
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return;

	ENICPMD_FUNC_TRACE();
	enic_disable(enic);
	memset(&link, 0, sizeof(link));
	rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
		*(uint64_t *)&eth_dev->data->dev_link,
		*(uint64_t *)&link);
}

/*
 * Stop device.
 */
static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();
	enic_remove(enic);
}

static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
	__rte_unused int wait_to_complete)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();
	return enic_link_update(enic);
}

static int enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
	struct rte_eth_stats *stats)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();
	return enic_dev_stats_get(enic, stats);
}

static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();
	enic_dev_stats_clear(enic);
}

static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
	struct rte_eth_dev_info *device_info)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();
	device_info->pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
	/* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
	device_info->max_rx_queues = enic->conf_rq_count / 2;
	device_info->max_tx_queues = enic->conf_wq_count;
	device_info->min_rx_bufsize = ENIC_MIN_MTU;
	device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
	device_info->max_mac_addrs = ENIC_MAX_MAC_ADDR;
	device_info->rx_offload_capa =
		DEV_RX_OFFLOAD_VLAN_STRIP |
		DEV_RX_OFFLOAD_IPV4_CKSUM |
		DEV_RX_OFFLOAD_UDP_CKSUM  |
		DEV_RX_OFFLOAD_TCP_CKSUM;
	device_info->tx_offload_capa =
		DEV_TX_OFFLOAD_VLAN_INSERT |
		DEV_TX_OFFLOAD_IPV4_CKSUM  |
		DEV_TX_OFFLOAD_UDP_CKSUM   |
		DEV_TX_OFFLOAD_TCP_CKSUM   |
		DEV_TX_OFFLOAD_TCP_TSO;
	device_info->default_rxconf = (struct rte_eth_rxconf) {
		.rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
	};
}

static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
{
	static const uint32_t ptypes[] = {
		RTE_PTYPE_L2_ETHER,
		RTE_PTYPE_L2_ETHER_VLAN,
		RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
		RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
		RTE_PTYPE_L4_TCP,
		RTE_PTYPE_L4_UDP,
		RTE_PTYPE_L4_FRAG,
		RTE_PTYPE_L4_NONFRAG,
		RTE_PTYPE_UNKNOWN
	};

	if (dev->rx_pkt_burst == enic_recv_pkts)
		return ptypes;
	return NULL;
}

static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
{
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return;

	ENICPMD_FUNC_TRACE();

	enic->promisc = 1;
	enic_add_packet_filter(enic);
}

static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
{
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return;

	ENICPMD_FUNC_TRACE();
	enic->promisc = 0;
	enic_add_packet_filter(enic);
}

static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
{
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return;

	ENICPMD_FUNC_TRACE();
	enic->allmulti = 1;
	enic_add_packet_filter(enic);
}

static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
{
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return;

	ENICPMD_FUNC_TRACE();
	enic->allmulti = 0;
	enic_add_packet_filter(enic);
}

static int enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
	struct ether_addr *mac_addr,
	__rte_unused uint32_t index, __rte_unused uint32_t pool)
{
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return -E_RTE_SECONDARY;

	ENICPMD_FUNC_TRACE();
	return enic_set_mac_address(enic, mac_addr->addr_bytes);
}

static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
{
	struct enic *enic = pmd_priv(eth_dev);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return;

	ENICPMD_FUNC_TRACE();
	enic_del_mac_address(enic, index);
}

static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
{
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();
	return enic_set_mtu(enic, mtu);
}

static const struct eth_dev_ops enicpmd_eth_dev_ops = {
	.dev_configure        = enicpmd_dev_configure,
	.dev_start            = enicpmd_dev_start,
	.dev_stop             = enicpmd_dev_stop,
	.dev_set_link_up      = NULL,
	.dev_set_link_down    = NULL,
	.dev_close            = enicpmd_dev_close,
	.promiscuous_enable   = enicpmd_dev_promiscuous_enable,
	.promiscuous_disable  = enicpmd_dev_promiscuous_disable,
	.allmulticast_enable  = enicpmd_dev_allmulticast_enable,
	.allmulticast_disable = enicpmd_dev_allmulticast_disable,
	.link_update          = enicpmd_dev_link_update,
	.stats_get            = enicpmd_dev_stats_get,
	.stats_reset          = enicpmd_dev_stats_reset,
	.queue_stats_mapping_set = NULL,
	.dev_infos_get        = enicpmd_dev_info_get,
	.dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
	.mtu_set              = enicpmd_mtu_set,
	.vlan_filter_set      = enicpmd_vlan_filter_set,
	.vlan_tpid_set        = NULL,
	.vlan_offload_set     = enicpmd_vlan_offload_set,
	.vlan_strip_queue_set = NULL,
	.rx_queue_start       = enicpmd_dev_rx_queue_start,
	.rx_queue_stop        = enicpmd_dev_rx_queue_stop,
	.tx_queue_start       = enicpmd_dev_tx_queue_start,
	.tx_queue_stop        = enicpmd_dev_tx_queue_stop,
	.rx_queue_setup       = enicpmd_dev_rx_queue_setup,
	.rx_queue_release     = enicpmd_dev_rx_queue_release,
	.rx_queue_count       = enicpmd_dev_rx_queue_count,
	.rx_descriptor_done   = NULL,
	.tx_queue_setup       = enicpmd_dev_tx_queue_setup,
	.tx_queue_release     = enicpmd_dev_tx_queue_release,
	.dev_led_on           = NULL,
	.dev_led_off          = NULL,
	.flow_ctrl_get        = NULL,
	.flow_ctrl_set        = NULL,
	.priority_flow_ctrl_set = NULL,
	.mac_addr_add         = enicpmd_add_mac_addr,
	.mac_addr_remove      = enicpmd_remove_mac_addr,
	.filter_ctrl          = enicpmd_dev_filter_ctrl,
};

struct enic *enicpmd_list_head = NULL;
/* Initialize the driver
 * It returns 0 on success.
 */
static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
{
	struct rte_pci_device *pdev;
	struct rte_pci_addr *addr;
	struct enic *enic = pmd_priv(eth_dev);

	ENICPMD_FUNC_TRACE();

	enic->port_id = eth_dev->data->port_id;
	enic->rte_dev = eth_dev;
	eth_dev->dev_ops = &enicpmd_eth_dev_ops;
	eth_dev->rx_pkt_burst = &enic_recv_pkts;
	eth_dev->tx_pkt_burst = &enic_xmit_pkts;

	pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
	rte_eth_copy_pci_info(eth_dev, pdev);
	enic->pdev = pdev;
	addr = &pdev->addr;

	snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
		addr->domain, addr->bus, addr->devid, addr->function);

	return enic_probe(enic);
}

static int eth_enic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
	struct rte_pci_device *pci_dev)
{
	return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct enic),
		eth_enicpmd_dev_init);
}

static int eth_enic_pci_remove(struct rte_pci_device *pci_dev)
{
	return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
}

static struct rte_pci_driver rte_enic_pmd = {
	.id_table = pci_id_enic_map,
	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
	.probe = eth_enic_pci_probe,
	.remove = eth_enic_pci_remove,
};

RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd);
RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio-pci");