83048d8566492d342e070d8724776d618d9df919
[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 static const struct rte_pci_id pci_id_enic_map[] = {
61 #define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
62 #ifndef PCI_VENDOR_ID_CISCO
63 #define PCI_VENDOR_ID_CISCO     0x1137
64 #endif
65 #include "rte_pci_dev_ids.h"
66 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET)
67 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF)
68 {.vendor_id = 0, /* Sentinal */},
69 };
70
71 static int
72 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
73                         enum rte_filter_op filter_op, void *arg)
74 {
75         struct enic *enic = pmd_priv(eth_dev);
76         int ret = 0;
77
78         ENICPMD_FUNC_TRACE();
79         if (filter_op == RTE_ETH_FILTER_NOP)
80                 return 0;
81
82         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
83                 return -EINVAL;
84
85         switch (filter_op) {
86         case RTE_ETH_FILTER_ADD:
87         case RTE_ETH_FILTER_UPDATE:
88                 ret = enic_fdir_add_fltr(enic,
89                         (struct rte_eth_fdir_filter *)arg);
90                 break;
91
92         case RTE_ETH_FILTER_DELETE:
93                 ret = enic_fdir_del_fltr(enic,
94                         (struct rte_eth_fdir_filter *)arg);
95                 break;
96
97         case RTE_ETH_FILTER_STATS:
98                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
99                 break;
100
101         case RTE_ETH_FILTER_FLUSH:
102         case RTE_ETH_FILTER_INFO:
103                 dev_warning(enic, "unsupported operation %u", filter_op);
104                 ret = -ENOTSUP;
105                 break;
106         default:
107                 dev_err(enic, "unknown operation %u", filter_op);
108                 ret = -EINVAL;
109                 break;
110         }
111         return ret;
112 }
113
114 static int
115 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
116                      enum rte_filter_type filter_type,
117                      enum rte_filter_op filter_op,
118                      void *arg)
119 {
120         int ret = -EINVAL;
121
122         if (RTE_ETH_FILTER_FDIR == filter_type)
123                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
124         else
125                 dev_warning(enic, "Filter type (%d) not supported",
126                         filter_type);
127
128         return ret;
129 }
130
131 static void enicpmd_dev_tx_queue_release(void *txq)
132 {
133         ENICPMD_FUNC_TRACE();
134         enic_free_wq(txq);
135 }
136
137 static int enicpmd_dev_setup_intr(struct enic *enic)
138 {
139         int ret;
140         unsigned int index;
141
142         ENICPMD_FUNC_TRACE();
143
144         /* Are we done with the init of all the queues? */
145         for (index = 0; index < enic->cq_count; index++) {
146                 if (!enic->cq[index].ctrl)
147                         break;
148         }
149
150         if (enic->cq_count != index)
151                 return 0;
152
153         ret = enic_alloc_intr_resources(enic);
154         if (ret) {
155                 dev_err(enic, "alloc intr failed\n");
156                 return ret;
157         }
158         enic_init_vnic_resources(enic);
159
160         ret = enic_setup_finish(enic);
161         if (ret)
162                 dev_err(enic, "setup could not be finished\n");
163
164         return ret;
165 }
166
167 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
168         uint16_t queue_idx,
169         uint16_t nb_desc,
170         unsigned int socket_id,
171         __rte_unused const struct rte_eth_txconf *tx_conf)
172 {
173         int ret;
174         struct enic *enic = pmd_priv(eth_dev);
175
176         ENICPMD_FUNC_TRACE();
177         if (queue_idx >= ENIC_WQ_MAX) {
178                 dev_err(enic,
179                         "Max number of TX queues exceeded.  Max is %d\n",
180                         ENIC_WQ_MAX);
181                 return -EINVAL;
182         }
183
184         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
185
186         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
187         if (ret) {
188                 dev_err(enic, "error in allocating wq\n");
189                 return ret;
190         }
191
192         return enicpmd_dev_setup_intr(enic);
193 }
194
195 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
196         uint16_t queue_idx)
197 {
198         struct enic *enic = pmd_priv(eth_dev);
199
200         ENICPMD_FUNC_TRACE();
201
202         enic_start_wq(enic, queue_idx);
203         eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
204
205         return 0;
206 }
207
208 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
209         uint16_t queue_idx)
210 {
211         int ret;
212         struct enic *enic = pmd_priv(eth_dev);
213
214         ENICPMD_FUNC_TRACE();
215
216         ret = enic_stop_wq(enic, queue_idx);
217         if (ret)
218                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
219         else
220                 eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
221
222         return ret;
223 }
224
225 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
226         uint16_t queue_idx)
227 {
228         struct enic *enic = pmd_priv(eth_dev);
229
230         ENICPMD_FUNC_TRACE();
231
232         enic_start_rq(enic, queue_idx);
233         eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
234
235         return 0;
236 }
237
238 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
239         uint16_t queue_idx)
240 {
241         int ret;
242         struct enic *enic = pmd_priv(eth_dev);
243
244         ENICPMD_FUNC_TRACE();
245
246         ret = enic_stop_rq(enic, queue_idx);
247         if (ret)
248                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
249         else
250                 eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
251
252         return ret;
253 }
254
255 static void enicpmd_dev_rx_queue_release(void *rxq)
256 {
257         ENICPMD_FUNC_TRACE();
258         enic_free_rq(rxq);
259 }
260
261 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
262         uint16_t queue_idx,
263         uint16_t nb_desc,
264         unsigned int socket_id,
265         const struct rte_eth_rxconf *rx_conf,
266         struct rte_mempool *mp)
267 {
268         int ret;
269         struct enic *enic = pmd_priv(eth_dev);
270
271         ENICPMD_FUNC_TRACE();
272         /* With Rx scatter support, two RQs are now used on VIC per RQ used
273          * by the application.
274          */
275         if (queue_idx * 2 >= ENIC_RQ_MAX) {
276                 dev_err(enic,
277                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
278                         ENIC_RQ_MAX);
279                 return -EINVAL;
280         }
281
282         eth_dev->data->rx_queues[queue_idx] =
283                 (void *)&enic->rq[enic_sop_rq(queue_idx)];
284
285         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
286         if (ret) {
287                 dev_err(enic, "error in allocating rq\n");
288                 return ret;
289         }
290
291         enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
292         dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
293                         enic->rq[queue_idx].rx_free_thresh);
294
295         return enicpmd_dev_setup_intr(enic);
296 }
297
298 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
299         uint16_t vlan_id, int on)
300 {
301         struct enic *enic = pmd_priv(eth_dev);
302         int err;
303
304         ENICPMD_FUNC_TRACE();
305         if (on)
306                 err = enic_add_vlan(enic, vlan_id);
307         else
308                 err = enic_del_vlan(enic, vlan_id);
309         return err;
310 }
311
312 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
313 {
314         struct enic *enic = pmd_priv(eth_dev);
315
316         ENICPMD_FUNC_TRACE();
317
318         if (mask & ETH_VLAN_STRIP_MASK) {
319                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
320                         enic->ig_vlan_strip_en = 1;
321                 else
322                         enic->ig_vlan_strip_en = 0;
323         }
324         enic_set_rss_nic_cfg(enic);
325
326
327         if (mask & ETH_VLAN_FILTER_MASK) {
328                 dev_warning(enic,
329                         "Configuration of VLAN filter is not supported\n");
330         }
331
332         if (mask & ETH_VLAN_EXTEND_MASK) {
333                 dev_warning(enic,
334                         "Configuration of extended VLAN is not supported\n");
335         }
336 }
337
338 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
339 {
340         int ret;
341         struct enic *enic = pmd_priv(eth_dev);
342
343         ENICPMD_FUNC_TRACE();
344         ret = enic_set_vnic_res(enic);
345         if (ret) {
346                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
347                 return ret;
348         }
349
350         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
351                 eth_dev->data->dev_conf.rxmode.header_split) {
352                 /* Enable header-data-split */
353                 enic_set_hdr_split_size(enic,
354                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
355         }
356
357         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
358         return 0;
359 }
360
361 /* Start the device.
362  * It returns 0 on success.
363  */
364 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
365 {
366         struct enic *enic = pmd_priv(eth_dev);
367
368         ENICPMD_FUNC_TRACE();
369         return enic_enable(enic);
370 }
371
372 /*
373  * Stop device: disable rx and tx functions to allow for reconfiguring.
374  */
375 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
376 {
377         struct rte_eth_link link;
378         struct enic *enic = pmd_priv(eth_dev);
379
380         ENICPMD_FUNC_TRACE();
381         enic_disable(enic);
382         memset(&link, 0, sizeof(link));
383         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
384                 *(uint64_t *)&eth_dev->data->dev_link,
385                 *(uint64_t *)&link);
386 }
387
388 /*
389  * Stop device.
390  */
391 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
392 {
393         struct enic *enic = pmd_priv(eth_dev);
394
395         ENICPMD_FUNC_TRACE();
396         enic_remove(enic);
397 }
398
399 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
400         __rte_unused int wait_to_complete)
401 {
402         struct enic *enic = pmd_priv(eth_dev);
403         int ret;
404         int link_status = 0;
405
406         ENICPMD_FUNC_TRACE();
407         link_status = enic_get_link_status(enic);
408         ret = (link_status == enic->link_status);
409         enic->link_status = link_status;
410         eth_dev->data->dev_link.link_status = link_status;
411         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
412         eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
413         return ret;
414 }
415
416 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
417         struct rte_eth_stats *stats)
418 {
419         struct enic *enic = pmd_priv(eth_dev);
420
421         ENICPMD_FUNC_TRACE();
422         enic_dev_stats_get(enic, stats);
423 }
424
425 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
426 {
427         struct enic *enic = pmd_priv(eth_dev);
428
429         ENICPMD_FUNC_TRACE();
430         enic_dev_stats_clear(enic);
431 }
432
433 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
434         struct rte_eth_dev_info *device_info)
435 {
436         struct enic *enic = pmd_priv(eth_dev);
437
438         ENICPMD_FUNC_TRACE();
439         device_info->max_rx_queues = enic->rq_count;
440         device_info->max_tx_queues = enic->wq_count;
441         device_info->min_rx_bufsize = ENIC_MIN_MTU;
442         device_info->max_rx_pktlen = enic->config.mtu;
443         device_info->max_mac_addrs = 1;
444         device_info->rx_offload_capa =
445                 DEV_RX_OFFLOAD_VLAN_STRIP |
446                 DEV_RX_OFFLOAD_IPV4_CKSUM |
447                 DEV_RX_OFFLOAD_UDP_CKSUM  |
448                 DEV_RX_OFFLOAD_TCP_CKSUM;
449         device_info->tx_offload_capa =
450                 DEV_TX_OFFLOAD_VLAN_INSERT |
451                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
452                 DEV_TX_OFFLOAD_UDP_CKSUM   |
453                 DEV_TX_OFFLOAD_TCP_CKSUM;
454         device_info->default_rxconf = (struct rte_eth_rxconf) {
455                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
456         };
457 }
458
459 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
460 {
461         static const uint32_t ptypes[] = {
462                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
463                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
464                 RTE_PTYPE_L4_TCP,
465                 RTE_PTYPE_L4_UDP,
466                 RTE_PTYPE_L4_FRAG,
467                 RTE_PTYPE_L4_NONFRAG,
468                 RTE_PTYPE_UNKNOWN
469         };
470
471         if (dev->rx_pkt_burst == enic_recv_pkts)
472                 return ptypes;
473         return NULL;
474 }
475
476 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
477 {
478         struct enic *enic = pmd_priv(eth_dev);
479
480         ENICPMD_FUNC_TRACE();
481         enic->promisc = 1;
482         enic_add_packet_filter(enic);
483 }
484
485 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
486 {
487         struct enic *enic = pmd_priv(eth_dev);
488
489         ENICPMD_FUNC_TRACE();
490         enic->promisc = 0;
491         enic_add_packet_filter(enic);
492 }
493
494 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
495 {
496         struct enic *enic = pmd_priv(eth_dev);
497
498         ENICPMD_FUNC_TRACE();
499         enic->allmulti = 1;
500         enic_add_packet_filter(enic);
501 }
502
503 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
504 {
505         struct enic *enic = pmd_priv(eth_dev);
506
507         ENICPMD_FUNC_TRACE();
508         enic->allmulti = 0;
509         enic_add_packet_filter(enic);
510 }
511
512 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
513         struct ether_addr *mac_addr,
514         __rte_unused uint32_t index, __rte_unused uint32_t pool)
515 {
516         struct enic *enic = pmd_priv(eth_dev);
517
518         ENICPMD_FUNC_TRACE();
519         enic_set_mac_address(enic, mac_addr->addr_bytes);
520 }
521
522 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
523 {
524         struct enic *enic = pmd_priv(eth_dev);
525
526         ENICPMD_FUNC_TRACE();
527         enic_del_mac_address(enic);
528 }
529
530 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
531         .dev_configure        = enicpmd_dev_configure,
532         .dev_start            = enicpmd_dev_start,
533         .dev_stop             = enicpmd_dev_stop,
534         .dev_set_link_up      = NULL,
535         .dev_set_link_down    = NULL,
536         .dev_close            = enicpmd_dev_close,
537         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
538         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
539         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
540         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
541         .link_update          = enicpmd_dev_link_update,
542         .stats_get            = enicpmd_dev_stats_get,
543         .stats_reset          = enicpmd_dev_stats_reset,
544         .queue_stats_mapping_set = NULL,
545         .dev_infos_get        = enicpmd_dev_info_get,
546         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
547         .mtu_set              = NULL,
548         .vlan_filter_set      = enicpmd_vlan_filter_set,
549         .vlan_tpid_set        = NULL,
550         .vlan_offload_set     = enicpmd_vlan_offload_set,
551         .vlan_strip_queue_set = NULL,
552         .rx_queue_start       = enicpmd_dev_rx_queue_start,
553         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
554         .tx_queue_start       = enicpmd_dev_tx_queue_start,
555         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
556         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
557         .rx_queue_release     = enicpmd_dev_rx_queue_release,
558         .rx_queue_count       = NULL,
559         .rx_descriptor_done   = NULL,
560         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
561         .tx_queue_release     = enicpmd_dev_tx_queue_release,
562         .dev_led_on           = NULL,
563         .dev_led_off          = NULL,
564         .flow_ctrl_get        = NULL,
565         .flow_ctrl_set        = NULL,
566         .priority_flow_ctrl_set = NULL,
567         .mac_addr_add         = enicpmd_add_mac_addr,
568         .mac_addr_remove      = enicpmd_remove_mac_addr,
569         .filter_ctrl          = enicpmd_dev_filter_ctrl,
570 };
571
572 struct enic *enicpmd_list_head = NULL;
573 /* Initialize the driver
574  * It returns 0 on success.
575  */
576 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
577 {
578         struct rte_pci_device *pdev;
579         struct rte_pci_addr *addr;
580         struct enic *enic = pmd_priv(eth_dev);
581
582         ENICPMD_FUNC_TRACE();
583
584         enic->port_id = eth_dev->data->port_id;
585         enic->rte_dev = eth_dev;
586         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
587         eth_dev->rx_pkt_burst = &enic_recv_pkts;
588         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
589
590         pdev = eth_dev->pci_dev;
591         rte_eth_copy_pci_info(eth_dev, pdev);
592         enic->pdev = pdev;
593         addr = &pdev->addr;
594
595         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
596                 addr->domain, addr->bus, addr->devid, addr->function);
597
598         return enic_probe(enic);
599 }
600
601 static struct eth_driver rte_enic_pmd = {
602         .pci_drv = {
603                 .name = "rte_enic_pmd",
604                 .id_table = pci_id_enic_map,
605                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
606         },
607         .eth_dev_init = eth_enicpmd_dev_init,
608         .dev_private_size = sizeof(struct enic),
609 };
610
611 /* Driver initialization routine.
612  * Invoked once at EAL init time.
613  * Register as the [Poll Mode] Driver of Cisco ENIC device.
614  */
615 static int
616 rte_enic_pmd_init(__rte_unused const char *name,
617          __rte_unused const char *params)
618 {
619         ENICPMD_FUNC_TRACE();
620
621         rte_eth_driver_register(&rte_enic_pmd);
622         return 0;
623 }
624
625 static struct rte_driver rte_enic_driver = {
626         .type = PMD_PDEV,
627         .init = rte_enic_pmd_init,
628 };
629
630 PMD_REGISTER_DRIVER(rte_enic_driver);