xref: /dpdk/drivers/net/enic/enic_ethdev.c (revision cf435a07)
1 /*
2  * Copyright 2008-2014 Cisco Systems, Inc.  All rights reserved.
3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4  *
5  * Copyright (c) 2014, Cisco Systems, Inc.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 #include <stdio.h>
36 #include <stdint.h>
37 
38 #include <rte_dev.h>
39 #include <rte_pci.h>
40 #include <rte_ethdev.h>
41 #include <rte_string_fns.h>
42 
43 #include "vnic_intr.h"
44 #include "vnic_cq.h"
45 #include "vnic_wq.h"
46 #include "vnic_rq.h"
47 #include "vnic_enet.h"
48 #include "enic.h"
49 
50 #ifdef RTE_LIBRTE_ENIC_DEBUG
51 #define ENICPMD_FUNC_TRACE() \
52 	RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
53 #else
54 #define ENICPMD_FUNC_TRACE() (void)0
55 #endif
56 
57 /*
58  * The set of PCI devices this driver supports
59  */
60 #define CISCO_PCI_VENDOR_ID 0x1137
61 static const struct rte_pci_id pci_id_enic_map[] = {
62 	{ RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
63 	{ RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
64 	{.vendor_id = 0, /* sentinel */},
65 };
66 
67 static int
68 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
69 			enum rte_filter_op filter_op, void *arg)
70 {
71 	struct enic *enic = pmd_priv(eth_dev);
72 	int ret = 0;
73 
74 	ENICPMD_FUNC_TRACE();
75 	if (filter_op == RTE_ETH_FILTER_NOP)
76 		return 0;
77 
78 	if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
79 		return -EINVAL;
80 
81 	switch (filter_op) {
82 	case RTE_ETH_FILTER_ADD:
83 	case RTE_ETH_FILTER_UPDATE:
84 		ret = enic_fdir_add_fltr(enic,
85 			(struct rte_eth_fdir_filter *)arg);
86 		break;
87 
88 	case RTE_ETH_FILTER_DELETE:
89 		ret = enic_fdir_del_fltr(enic,
90 			(struct rte_eth_fdir_filter *)arg);
91 		break;
92 
93 	case RTE_ETH_FILTER_STATS:
94 		enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
95 		break;
96 
97 	case RTE_ETH_FILTER_FLUSH:
98 	case RTE_ETH_FILTER_INFO:
99 		dev_warning(enic, "unsupported operation %u", filter_op);
100 		ret = -ENOTSUP;
101 		break;
102 	default:
103 		dev_err(enic, "unknown operation %u", filter_op);
104 		ret = -EINVAL;
105 		break;
106 	}
107 	return ret;
108 }
109 
110 static int
111 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
112 		     enum rte_filter_type filter_type,
113 		     enum rte_filter_op filter_op,
114 		     void *arg)
115 {
116 	int ret = -EINVAL;
117 
118 	if (RTE_ETH_FILTER_FDIR == filter_type)
119 		ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
120 	else
121 		dev_warning(enic, "Filter type (%d) not supported",
122 			filter_type);
123 
124 	return ret;
125 }
126 
127 static void enicpmd_dev_tx_queue_release(void *txq)
128 {
129 	ENICPMD_FUNC_TRACE();
130 	enic_free_wq(txq);
131 }
132 
133 static int enicpmd_dev_setup_intr(struct enic *enic)
134 {
135 	int ret;
136 	unsigned int index;
137 
138 	ENICPMD_FUNC_TRACE();
139 
140 	/* Are we done with the init of all the queues? */
141 	for (index = 0; index < enic->cq_count; index++) {
142 		if (!enic->cq[index].ctrl)
143 			break;
144 	}
145 	if (enic->cq_count != index)
146 		return 0;
147 	for (index = 0; index < enic->wq_count; index++) {
148 		if (!enic->wq[index].ctrl)
149 			break;
150 	}
151 	if (enic->wq_count != index)
152 		return 0;
153 	/* check start of packet (SOP) RQs only in case scatter is disabled. */
154 	for (index = 0; index < enic->rq_count; index++) {
155 		if (!enic->rq[enic_sop_rq(index)].ctrl)
156 			break;
157 	}
158 	if (enic->rq_count != index)
159 		return 0;
160 
161 	ret = enic_alloc_intr_resources(enic);
162 	if (ret) {
163 		dev_err(enic, "alloc intr failed\n");
164 		return ret;
165 	}
166 	enic_init_vnic_resources(enic);
167 
168 	ret = enic_setup_finish(enic);
169 	if (ret)
170 		dev_err(enic, "setup could not be finished\n");
171 
172 	return ret;
173 }
174 
175 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
176 	uint16_t queue_idx,
177 	uint16_t nb_desc,
178 	unsigned int socket_id,
179 	__rte_unused const struct rte_eth_txconf *tx_conf)
180 {
181 	int ret;
182 	struct enic *enic = pmd_priv(eth_dev);
183 
184 	ENICPMD_FUNC_TRACE();
185 	if (queue_idx >= ENIC_WQ_MAX) {
186 		dev_err(enic,
187 			"Max number of TX queues exceeded.  Max is %d\n",
188 			ENIC_WQ_MAX);
189 		return -EINVAL;
190 	}
191 
192 	eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
193 
194 	ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
195 	if (ret) {
196 		dev_err(enic, "error in allocating wq\n");
197 		return ret;
198 	}
199 
200 	return enicpmd_dev_setup_intr(enic);
201 }
202 
203 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
204 	uint16_t queue_idx)
205 {
206 	struct enic *enic = pmd_priv(eth_dev);
207 
208 	ENICPMD_FUNC_TRACE();
209 
210 	enic_start_wq(enic, queue_idx);
211 
212 	return 0;
213 }
214 
215 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
216 	uint16_t queue_idx)
217 {
218 	int ret;
219 	struct enic *enic = pmd_priv(eth_dev);
220 
221 	ENICPMD_FUNC_TRACE();
222 
223 	ret = enic_stop_wq(enic, queue_idx);
224 	if (ret)
225 		dev_err(enic, "error in stopping wq %d\n", queue_idx);
226 
227 	return ret;
228 }
229 
230 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
231 	uint16_t queue_idx)
232 {
233 	struct enic *enic = pmd_priv(eth_dev);
234 
235 	ENICPMD_FUNC_TRACE();
236 
237 	enic_start_rq(enic, queue_idx);
238 
239 	return 0;
240 }
241 
242 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
243 	uint16_t queue_idx)
244 {
245 	int ret;
246 	struct enic *enic = pmd_priv(eth_dev);
247 
248 	ENICPMD_FUNC_TRACE();
249 
250 	ret = enic_stop_rq(enic, queue_idx);
251 	if (ret)
252 		dev_err(enic, "error in stopping rq %d\n", queue_idx);
253 
254 	return ret;
255 }
256 
257 static void enicpmd_dev_rx_queue_release(void *rxq)
258 {
259 	ENICPMD_FUNC_TRACE();
260 	enic_free_rq(rxq);
261 }
262 
263 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
264 					   uint16_t rx_queue_id)
265 {
266 	struct enic *enic = pmd_priv(dev);
267 	uint32_t queue_count = 0;
268 	struct vnic_cq *cq;
269 	uint32_t cq_tail;
270 	uint16_t cq_idx;
271 	int rq_num;
272 
273 	if (rx_queue_id >= dev->data->nb_rx_queues) {
274 		dev_err(enic, "Invalid RX queue id=%d", rx_queue_id);
275 		return 0;
276 	}
277 
278 	rq_num = enic_sop_rq(rx_queue_id);
279 	cq = &enic->cq[enic_cq_rq(enic, rq_num)];
280 	cq_idx = cq->to_clean;
281 
282 	cq_tail = ioread32(&cq->ctrl->cq_tail);
283 
284 	if (cq_tail < cq_idx)
285 		cq_tail += cq->ring.desc_count;
286 
287 	queue_count = cq_tail - cq_idx;
288 
289 	return queue_count;
290 }
291 
292 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
293 	uint16_t queue_idx,
294 	uint16_t nb_desc,
295 	unsigned int socket_id,
296 	const struct rte_eth_rxconf *rx_conf,
297 	struct rte_mempool *mp)
298 {
299 	int ret;
300 	struct enic *enic = pmd_priv(eth_dev);
301 
302 	ENICPMD_FUNC_TRACE();
303 	/* With Rx scatter support, two RQs are now used on VIC per RQ used
304 	 * by the application.
305 	 */
306 	if (queue_idx * 2 >= ENIC_RQ_MAX) {
307 		dev_err(enic,
308 			"Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
309 			ENIC_RQ_MAX);
310 		return -EINVAL;
311 	}
312 
313 	eth_dev->data->rx_queues[queue_idx] =
314 		(void *)&enic->rq[enic_sop_rq(queue_idx)];
315 
316 	ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
317 	if (ret) {
318 		dev_err(enic, "error in allocating rq\n");
319 		return ret;
320 	}
321 
322 	enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
323 	dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
324 			enic->rq[queue_idx].rx_free_thresh);
325 
326 	return enicpmd_dev_setup_intr(enic);
327 }
328 
329 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
330 	uint16_t vlan_id, int on)
331 {
332 	struct enic *enic = pmd_priv(eth_dev);
333 	int err;
334 
335 	ENICPMD_FUNC_TRACE();
336 	if (on)
337 		err = enic_add_vlan(enic, vlan_id);
338 	else
339 		err = enic_del_vlan(enic, vlan_id);
340 	return err;
341 }
342 
343 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
344 {
345 	struct enic *enic = pmd_priv(eth_dev);
346 
347 	ENICPMD_FUNC_TRACE();
348 
349 	if (mask & ETH_VLAN_STRIP_MASK) {
350 		if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
351 			enic->ig_vlan_strip_en = 1;
352 		else
353 			enic->ig_vlan_strip_en = 0;
354 	}
355 	enic_set_rss_nic_cfg(enic);
356 
357 
358 	if (mask & ETH_VLAN_FILTER_MASK) {
359 		dev_warning(enic,
360 			"Configuration of VLAN filter is not supported\n");
361 	}
362 
363 	if (mask & ETH_VLAN_EXTEND_MASK) {
364 		dev_warning(enic,
365 			"Configuration of extended VLAN is not supported\n");
366 	}
367 }
368 
369 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
370 {
371 	int ret;
372 	struct enic *enic = pmd_priv(eth_dev);
373 
374 	ENICPMD_FUNC_TRACE();
375 	ret = enic_set_vnic_res(enic);
376 	if (ret) {
377 		dev_err(enic, "Set vNIC resource num  failed, aborting\n");
378 		return ret;
379 	}
380 
381 	if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
382 		eth_dev->data->dev_conf.rxmode.header_split) {
383 		/* Enable header-data-split */
384 		enic_set_hdr_split_size(enic,
385 			eth_dev->data->dev_conf.rxmode.split_hdr_size);
386 	}
387 
388 	enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
389 	enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
390 	return 0;
391 }
392 
393 /* Start the device.
394  * It returns 0 on success.
395  */
396 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
397 {
398 	struct enic *enic = pmd_priv(eth_dev);
399 
400 	ENICPMD_FUNC_TRACE();
401 	return enic_enable(enic);
402 }
403 
404 /*
405  * Stop device: disable rx and tx functions to allow for reconfiguring.
406  */
407 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
408 {
409 	struct rte_eth_link link;
410 	struct enic *enic = pmd_priv(eth_dev);
411 
412 	ENICPMD_FUNC_TRACE();
413 	enic_disable(enic);
414 	memset(&link, 0, sizeof(link));
415 	rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
416 		*(uint64_t *)&eth_dev->data->dev_link,
417 		*(uint64_t *)&link);
418 }
419 
420 /*
421  * Stop device.
422  */
423 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
424 {
425 	struct enic *enic = pmd_priv(eth_dev);
426 
427 	ENICPMD_FUNC_TRACE();
428 	enic_remove(enic);
429 }
430 
431 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
432 	__rte_unused int wait_to_complete)
433 {
434 	struct enic *enic = pmd_priv(eth_dev);
435 
436 	ENICPMD_FUNC_TRACE();
437 	return enic_link_update(enic);
438 }
439 
440 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
441 	struct rte_eth_stats *stats)
442 {
443 	struct enic *enic = pmd_priv(eth_dev);
444 
445 	ENICPMD_FUNC_TRACE();
446 	enic_dev_stats_get(enic, stats);
447 }
448 
449 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
450 {
451 	struct enic *enic = pmd_priv(eth_dev);
452 
453 	ENICPMD_FUNC_TRACE();
454 	enic_dev_stats_clear(enic);
455 }
456 
457 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
458 	struct rte_eth_dev_info *device_info)
459 {
460 	struct enic *enic = pmd_priv(eth_dev);
461 
462 	ENICPMD_FUNC_TRACE();
463 	/* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
464 	device_info->max_rx_queues = enic->conf_rq_count / 2;
465 	device_info->max_tx_queues = enic->conf_wq_count;
466 	device_info->min_rx_bufsize = ENIC_MIN_MTU;
467 	device_info->max_rx_pktlen = enic->rte_dev->data->mtu
468 				   + ETHER_HDR_LEN + 4;
469 	device_info->max_mac_addrs = 1;
470 	device_info->rx_offload_capa =
471 		DEV_RX_OFFLOAD_VLAN_STRIP |
472 		DEV_RX_OFFLOAD_IPV4_CKSUM |
473 		DEV_RX_OFFLOAD_UDP_CKSUM  |
474 		DEV_RX_OFFLOAD_TCP_CKSUM;
475 	device_info->tx_offload_capa =
476 		DEV_TX_OFFLOAD_VLAN_INSERT |
477 		DEV_TX_OFFLOAD_IPV4_CKSUM  |
478 		DEV_TX_OFFLOAD_UDP_CKSUM   |
479 		DEV_TX_OFFLOAD_TCP_CKSUM;
480 	device_info->default_rxconf = (struct rte_eth_rxconf) {
481 		.rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
482 	};
483 }
484 
485 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
486 {
487 	static const uint32_t ptypes[] = {
488 		RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
489 		RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
490 		RTE_PTYPE_L4_TCP,
491 		RTE_PTYPE_L4_UDP,
492 		RTE_PTYPE_L4_FRAG,
493 		RTE_PTYPE_L4_NONFRAG,
494 		RTE_PTYPE_UNKNOWN
495 	};
496 
497 	if (dev->rx_pkt_burst == enic_recv_pkts)
498 		return ptypes;
499 	return NULL;
500 }
501 
502 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
503 {
504 	struct enic *enic = pmd_priv(eth_dev);
505 
506 	ENICPMD_FUNC_TRACE();
507 	enic->promisc = 1;
508 	enic_add_packet_filter(enic);
509 }
510 
511 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
512 {
513 	struct enic *enic = pmd_priv(eth_dev);
514 
515 	ENICPMD_FUNC_TRACE();
516 	enic->promisc = 0;
517 	enic_add_packet_filter(enic);
518 }
519 
520 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
521 {
522 	struct enic *enic = pmd_priv(eth_dev);
523 
524 	ENICPMD_FUNC_TRACE();
525 	enic->allmulti = 1;
526 	enic_add_packet_filter(enic);
527 }
528 
529 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
530 {
531 	struct enic *enic = pmd_priv(eth_dev);
532 
533 	ENICPMD_FUNC_TRACE();
534 	enic->allmulti = 0;
535 	enic_add_packet_filter(enic);
536 }
537 
538 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
539 	struct ether_addr *mac_addr,
540 	__rte_unused uint32_t index, __rte_unused uint32_t pool)
541 {
542 	struct enic *enic = pmd_priv(eth_dev);
543 
544 	ENICPMD_FUNC_TRACE();
545 	enic_set_mac_address(enic, mac_addr->addr_bytes);
546 }
547 
548 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
549 {
550 	struct enic *enic = pmd_priv(eth_dev);
551 
552 	ENICPMD_FUNC_TRACE();
553 	enic_del_mac_address(enic);
554 }
555 
556 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
557 {
558 	struct enic *enic = pmd_priv(eth_dev);
559 
560 	ENICPMD_FUNC_TRACE();
561 	return enic_set_mtu(enic, mtu);
562 }
563 
564 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
565 	.dev_configure        = enicpmd_dev_configure,
566 	.dev_start            = enicpmd_dev_start,
567 	.dev_stop             = enicpmd_dev_stop,
568 	.dev_set_link_up      = NULL,
569 	.dev_set_link_down    = NULL,
570 	.dev_close            = enicpmd_dev_close,
571 	.promiscuous_enable   = enicpmd_dev_promiscuous_enable,
572 	.promiscuous_disable  = enicpmd_dev_promiscuous_disable,
573 	.allmulticast_enable  = enicpmd_dev_allmulticast_enable,
574 	.allmulticast_disable = enicpmd_dev_allmulticast_disable,
575 	.link_update          = enicpmd_dev_link_update,
576 	.stats_get            = enicpmd_dev_stats_get,
577 	.stats_reset          = enicpmd_dev_stats_reset,
578 	.queue_stats_mapping_set = NULL,
579 	.dev_infos_get        = enicpmd_dev_info_get,
580 	.dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
581 	.mtu_set              = enicpmd_mtu_set,
582 	.vlan_filter_set      = enicpmd_vlan_filter_set,
583 	.vlan_tpid_set        = NULL,
584 	.vlan_offload_set     = enicpmd_vlan_offload_set,
585 	.vlan_strip_queue_set = NULL,
586 	.rx_queue_start       = enicpmd_dev_rx_queue_start,
587 	.rx_queue_stop        = enicpmd_dev_rx_queue_stop,
588 	.tx_queue_start       = enicpmd_dev_tx_queue_start,
589 	.tx_queue_stop        = enicpmd_dev_tx_queue_stop,
590 	.rx_queue_setup       = enicpmd_dev_rx_queue_setup,
591 	.rx_queue_release     = enicpmd_dev_rx_queue_release,
592 	.rx_queue_count       = enicpmd_dev_rx_queue_count,
593 	.rx_descriptor_done   = NULL,
594 	.tx_queue_setup       = enicpmd_dev_tx_queue_setup,
595 	.tx_queue_release     = enicpmd_dev_tx_queue_release,
596 	.dev_led_on           = NULL,
597 	.dev_led_off          = NULL,
598 	.flow_ctrl_get        = NULL,
599 	.flow_ctrl_set        = NULL,
600 	.priority_flow_ctrl_set = NULL,
601 	.mac_addr_add         = enicpmd_add_mac_addr,
602 	.mac_addr_remove      = enicpmd_remove_mac_addr,
603 	.filter_ctrl          = enicpmd_dev_filter_ctrl,
604 };
605 
606 struct enic *enicpmd_list_head = NULL;
607 /* Initialize the driver
608  * It returns 0 on success.
609  */
610 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
611 {
612 	struct rte_pci_device *pdev;
613 	struct rte_pci_addr *addr;
614 	struct enic *enic = pmd_priv(eth_dev);
615 
616 	ENICPMD_FUNC_TRACE();
617 
618 	enic->port_id = eth_dev->data->port_id;
619 	enic->rte_dev = eth_dev;
620 	eth_dev->dev_ops = &enicpmd_eth_dev_ops;
621 	eth_dev->rx_pkt_burst = &enic_recv_pkts;
622 	eth_dev->tx_pkt_burst = &enic_xmit_pkts;
623 
624 	pdev = eth_dev->pci_dev;
625 	rte_eth_copy_pci_info(eth_dev, pdev);
626 	enic->pdev = pdev;
627 	addr = &pdev->addr;
628 
629 	snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
630 		addr->domain, addr->bus, addr->devid, addr->function);
631 
632 	return enic_probe(enic);
633 }
634 
635 static struct eth_driver rte_enic_pmd = {
636 	.pci_drv = {
637 		.id_table = pci_id_enic_map,
638 		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
639 		.probe = rte_eth_dev_pci_probe,
640 		.remove = rte_eth_dev_pci_remove,
641 	},
642 	.eth_dev_init = eth_enicpmd_dev_init,
643 	.dev_private_size = sizeof(struct enic),
644 };
645 
646 DRIVER_REGISTER_PCI(net_enic, rte_enic_pmd.pci_drv);
647 DRIVER_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
648