net/enic: get Rx queue count
[dpdk.git] / drivers / net / enic / enic_ethdev.c
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         int ret;
436         int link_status = 0;
437
438         ENICPMD_FUNC_TRACE();
439         link_status = enic_get_link_status(enic);
440         ret = (link_status == enic->link_status);
441         enic->link_status = link_status;
442         eth_dev->data->dev_link.link_status = link_status;
443         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
444         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
445         return ret;
446 }
447
448 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
449         struct rte_eth_stats *stats)
450 {
451         struct enic *enic = pmd_priv(eth_dev);
452
453         ENICPMD_FUNC_TRACE();
454         enic_dev_stats_get(enic, stats);
455 }
456
457 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
458 {
459         struct enic *enic = pmd_priv(eth_dev);
460
461         ENICPMD_FUNC_TRACE();
462         enic_dev_stats_clear(enic);
463 }
464
465 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
466         struct rte_eth_dev_info *device_info)
467 {
468         struct enic *enic = pmd_priv(eth_dev);
469
470         ENICPMD_FUNC_TRACE();
471         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
472         device_info->max_rx_queues = enic->conf_rq_count / 2;
473         device_info->max_tx_queues = enic->conf_wq_count;
474         device_info->min_rx_bufsize = ENIC_MIN_MTU;
475         device_info->max_rx_pktlen = enic->rte_dev->data->mtu
476                                    + ETHER_HDR_LEN + 4;
477         device_info->max_mac_addrs = 1;
478         device_info->rx_offload_capa =
479                 DEV_RX_OFFLOAD_VLAN_STRIP |
480                 DEV_RX_OFFLOAD_IPV4_CKSUM |
481                 DEV_RX_OFFLOAD_UDP_CKSUM  |
482                 DEV_RX_OFFLOAD_TCP_CKSUM;
483         device_info->tx_offload_capa =
484                 DEV_TX_OFFLOAD_VLAN_INSERT |
485                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
486                 DEV_TX_OFFLOAD_UDP_CKSUM   |
487                 DEV_TX_OFFLOAD_TCP_CKSUM;
488         device_info->default_rxconf = (struct rte_eth_rxconf) {
489                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
490         };
491 }
492
493 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
494 {
495         static const uint32_t ptypes[] = {
496                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
497                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
498                 RTE_PTYPE_L4_TCP,
499                 RTE_PTYPE_L4_UDP,
500                 RTE_PTYPE_L4_FRAG,
501                 RTE_PTYPE_L4_NONFRAG,
502                 RTE_PTYPE_UNKNOWN
503         };
504
505         if (dev->rx_pkt_burst == enic_recv_pkts)
506                 return ptypes;
507         return NULL;
508 }
509
510 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
511 {
512         struct enic *enic = pmd_priv(eth_dev);
513
514         ENICPMD_FUNC_TRACE();
515         enic->promisc = 1;
516         enic_add_packet_filter(enic);
517 }
518
519 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
520 {
521         struct enic *enic = pmd_priv(eth_dev);
522
523         ENICPMD_FUNC_TRACE();
524         enic->promisc = 0;
525         enic_add_packet_filter(enic);
526 }
527
528 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
529 {
530         struct enic *enic = pmd_priv(eth_dev);
531
532         ENICPMD_FUNC_TRACE();
533         enic->allmulti = 1;
534         enic_add_packet_filter(enic);
535 }
536
537 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
538 {
539         struct enic *enic = pmd_priv(eth_dev);
540
541         ENICPMD_FUNC_TRACE();
542         enic->allmulti = 0;
543         enic_add_packet_filter(enic);
544 }
545
546 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
547         struct ether_addr *mac_addr,
548         __rte_unused uint32_t index, __rte_unused uint32_t pool)
549 {
550         struct enic *enic = pmd_priv(eth_dev);
551
552         ENICPMD_FUNC_TRACE();
553         enic_set_mac_address(enic, mac_addr->addr_bytes);
554 }
555
556 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
557 {
558         struct enic *enic = pmd_priv(eth_dev);
559
560         ENICPMD_FUNC_TRACE();
561         enic_del_mac_address(enic);
562 }
563
564 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
565 {
566         struct enic *enic = pmd_priv(eth_dev);
567
568         ENICPMD_FUNC_TRACE();
569         return enic_set_mtu(enic, mtu);
570 }
571
572 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
573         .dev_configure        = enicpmd_dev_configure,
574         .dev_start            = enicpmd_dev_start,
575         .dev_stop             = enicpmd_dev_stop,
576         .dev_set_link_up      = NULL,
577         .dev_set_link_down    = NULL,
578         .dev_close            = enicpmd_dev_close,
579         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
580         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
581         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
582         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
583         .link_update          = enicpmd_dev_link_update,
584         .stats_get            = enicpmd_dev_stats_get,
585         .stats_reset          = enicpmd_dev_stats_reset,
586         .queue_stats_mapping_set = NULL,
587         .dev_infos_get        = enicpmd_dev_info_get,
588         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
589         .mtu_set              = enicpmd_mtu_set,
590         .vlan_filter_set      = enicpmd_vlan_filter_set,
591         .vlan_tpid_set        = NULL,
592         .vlan_offload_set     = enicpmd_vlan_offload_set,
593         .vlan_strip_queue_set = NULL,
594         .rx_queue_start       = enicpmd_dev_rx_queue_start,
595         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
596         .tx_queue_start       = enicpmd_dev_tx_queue_start,
597         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
598         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
599         .rx_queue_release     = enicpmd_dev_rx_queue_release,
600         .rx_queue_count       = enicpmd_dev_rx_queue_count,
601         .rx_descriptor_done   = NULL,
602         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
603         .tx_queue_release     = enicpmd_dev_tx_queue_release,
604         .dev_led_on           = NULL,
605         .dev_led_off          = NULL,
606         .flow_ctrl_get        = NULL,
607         .flow_ctrl_set        = NULL,
608         .priority_flow_ctrl_set = NULL,
609         .mac_addr_add         = enicpmd_add_mac_addr,
610         .mac_addr_remove      = enicpmd_remove_mac_addr,
611         .filter_ctrl          = enicpmd_dev_filter_ctrl,
612 };
613
614 struct enic *enicpmd_list_head = NULL;
615 /* Initialize the driver
616  * It returns 0 on success.
617  */
618 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
619 {
620         struct rte_pci_device *pdev;
621         struct rte_pci_addr *addr;
622         struct enic *enic = pmd_priv(eth_dev);
623
624         ENICPMD_FUNC_TRACE();
625
626         enic->port_id = eth_dev->data->port_id;
627         enic->rte_dev = eth_dev;
628         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
629         eth_dev->rx_pkt_burst = &enic_recv_pkts;
630         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
631
632         pdev = eth_dev->pci_dev;
633         rte_eth_copy_pci_info(eth_dev, pdev);
634         enic->pdev = pdev;
635         addr = &pdev->addr;
636
637         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
638                 addr->domain, addr->bus, addr->devid, addr->function);
639
640         return enic_probe(enic);
641 }
642
643 static struct eth_driver rte_enic_pmd = {
644         .pci_drv = {
645                 .id_table = pci_id_enic_map,
646                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
647                 .probe = rte_eth_dev_pci_probe,
648                 .remove = rte_eth_dev_pci_remove,
649         },
650         .eth_dev_init = eth_enicpmd_dev_init,
651         .dev_private_size = sizeof(struct enic),
652 };
653
654 DRIVER_REGISTER_PCI(net_enic, rte_enic_pmd.pci_drv);
655 DRIVER_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);