ae6f39402e10bee5b047fef1d029ddaebbde5464
[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                 dev_warning(enic, "unsupported operation %u", filter_op);
99                 ret = -ENOTSUP;
100                 break;
101         case RTE_ETH_FILTER_INFO:
102                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
103                 break;
104         default:
105                 dev_err(enic, "unknown operation %u", filter_op);
106                 ret = -EINVAL;
107                 break;
108         }
109         return ret;
110 }
111
112 static int
113 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
114                      enum rte_filter_type filter_type,
115                      enum rte_filter_op filter_op,
116                      void *arg)
117 {
118         int ret = -EINVAL;
119
120         if (RTE_ETH_FILTER_FDIR == filter_type)
121                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
122         else
123                 dev_warning(enic, "Filter type (%d) not supported",
124                         filter_type);
125
126         return ret;
127 }
128
129 static void enicpmd_dev_tx_queue_release(void *txq)
130 {
131         ENICPMD_FUNC_TRACE();
132         enic_free_wq(txq);
133 }
134
135 static int enicpmd_dev_setup_intr(struct enic *enic)
136 {
137         int ret;
138         unsigned int index;
139
140         ENICPMD_FUNC_TRACE();
141
142         /* Are we done with the init of all the queues? */
143         for (index = 0; index < enic->cq_count; index++) {
144                 if (!enic->cq[index].ctrl)
145                         break;
146         }
147         if (enic->cq_count != index)
148                 return 0;
149         for (index = 0; index < enic->wq_count; index++) {
150                 if (!enic->wq[index].ctrl)
151                         break;
152         }
153         if (enic->wq_count != index)
154                 return 0;
155         /* check start of packet (SOP) RQs only in case scatter is disabled. */
156         for (index = 0; index < enic->rq_count; index++) {
157                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
158                         break;
159         }
160         if (enic->rq_count != index)
161                 return 0;
162
163         ret = enic_alloc_intr_resources(enic);
164         if (ret) {
165                 dev_err(enic, "alloc intr failed\n");
166                 return ret;
167         }
168         enic_init_vnic_resources(enic);
169
170         ret = enic_setup_finish(enic);
171         if (ret)
172                 dev_err(enic, "setup could not be finished\n");
173
174         return ret;
175 }
176
177 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
178         uint16_t queue_idx,
179         uint16_t nb_desc,
180         unsigned int socket_id,
181         __rte_unused const struct rte_eth_txconf *tx_conf)
182 {
183         int ret;
184         struct enic *enic = pmd_priv(eth_dev);
185
186         ENICPMD_FUNC_TRACE();
187         if (queue_idx >= ENIC_WQ_MAX) {
188                 dev_err(enic,
189                         "Max number of TX queues exceeded.  Max is %d\n",
190                         ENIC_WQ_MAX);
191                 return -EINVAL;
192         }
193
194         eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
195
196         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
197         if (ret) {
198                 dev_err(enic, "error in allocating wq\n");
199                 return ret;
200         }
201
202         return enicpmd_dev_setup_intr(enic);
203 }
204
205 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
206         uint16_t queue_idx)
207 {
208         struct enic *enic = pmd_priv(eth_dev);
209
210         ENICPMD_FUNC_TRACE();
211
212         enic_start_wq(enic, queue_idx);
213
214         return 0;
215 }
216
217 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
218         uint16_t queue_idx)
219 {
220         int ret;
221         struct enic *enic = pmd_priv(eth_dev);
222
223         ENICPMD_FUNC_TRACE();
224
225         ret = enic_stop_wq(enic, queue_idx);
226         if (ret)
227                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
228
229         return ret;
230 }
231
232 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
233         uint16_t queue_idx)
234 {
235         struct enic *enic = pmd_priv(eth_dev);
236
237         ENICPMD_FUNC_TRACE();
238
239         enic_start_rq(enic, queue_idx);
240
241         return 0;
242 }
243
244 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
245         uint16_t queue_idx)
246 {
247         int ret;
248         struct enic *enic = pmd_priv(eth_dev);
249
250         ENICPMD_FUNC_TRACE();
251
252         ret = enic_stop_rq(enic, queue_idx);
253         if (ret)
254                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
255
256         return ret;
257 }
258
259 static void enicpmd_dev_rx_queue_release(void *rxq)
260 {
261         ENICPMD_FUNC_TRACE();
262         enic_free_rq(rxq);
263 }
264
265 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
266                                            uint16_t rx_queue_id)
267 {
268         struct enic *enic = pmd_priv(dev);
269         uint32_t queue_count = 0;
270         struct vnic_cq *cq;
271         uint32_t cq_tail;
272         uint16_t cq_idx;
273         int rq_num;
274
275         if (rx_queue_id >= dev->data->nb_rx_queues) {
276                 dev_err(enic, "Invalid RX queue id=%d", rx_queue_id);
277                 return 0;
278         }
279
280         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
281         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
282         cq_idx = cq->to_clean;
283
284         cq_tail = ioread32(&cq->ctrl->cq_tail);
285
286         if (cq_tail < cq_idx)
287                 cq_tail += cq->ring.desc_count;
288
289         queue_count = cq_tail - cq_idx;
290
291         return queue_count;
292 }
293
294 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
295         uint16_t queue_idx,
296         uint16_t nb_desc,
297         unsigned int socket_id,
298         const struct rte_eth_rxconf *rx_conf,
299         struct rte_mempool *mp)
300 {
301         int ret;
302         struct enic *enic = pmd_priv(eth_dev);
303
304         ENICPMD_FUNC_TRACE();
305         /* With Rx scatter support, two RQs are now used on VIC per RQ used
306          * by the application.
307          */
308         if (queue_idx * 2 >= ENIC_RQ_MAX) {
309                 dev_err(enic,
310                         "Max number of RX queues exceeded.  Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
311                         ENIC_RQ_MAX);
312                 return -EINVAL;
313         }
314
315         eth_dev->data->rx_queues[queue_idx] =
316                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
317
318         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
319                             rx_conf->rx_free_thresh);
320         if (ret) {
321                 dev_err(enic, "error in allocating rq\n");
322                 return ret;
323         }
324
325         return enicpmd_dev_setup_intr(enic);
326 }
327
328 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
329         uint16_t vlan_id, int on)
330 {
331         struct enic *enic = pmd_priv(eth_dev);
332         int err;
333
334         ENICPMD_FUNC_TRACE();
335         if (on)
336                 err = enic_add_vlan(enic, vlan_id);
337         else
338                 err = enic_del_vlan(enic, vlan_id);
339         return err;
340 }
341
342 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
343 {
344         struct enic *enic = pmd_priv(eth_dev);
345
346         ENICPMD_FUNC_TRACE();
347
348         if (mask & ETH_VLAN_STRIP_MASK) {
349                 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
350                         enic->ig_vlan_strip_en = 1;
351                 else
352                         enic->ig_vlan_strip_en = 0;
353         }
354         enic_set_rss_nic_cfg(enic);
355
356
357         if (mask & ETH_VLAN_FILTER_MASK) {
358                 dev_warning(enic,
359                         "Configuration of VLAN filter is not supported\n");
360         }
361
362         if (mask & ETH_VLAN_EXTEND_MASK) {
363                 dev_warning(enic,
364                         "Configuration of extended VLAN is not supported\n");
365         }
366 }
367
368 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
369 {
370         int ret;
371         struct enic *enic = pmd_priv(eth_dev);
372
373         ENICPMD_FUNC_TRACE();
374         ret = enic_set_vnic_res(enic);
375         if (ret) {
376                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
377                 return ret;
378         }
379
380         if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
381                 eth_dev->data->dev_conf.rxmode.header_split) {
382                 /* Enable header-data-split */
383                 enic_set_hdr_split_size(enic,
384                         eth_dev->data->dev_conf.rxmode.split_hdr_size);
385         }
386
387         enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
388         enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
389         return 0;
390 }
391
392 /* Start the device.
393  * It returns 0 on success.
394  */
395 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
396 {
397         struct enic *enic = pmd_priv(eth_dev);
398
399         ENICPMD_FUNC_TRACE();
400         return enic_enable(enic);
401 }
402
403 /*
404  * Stop device: disable rx and tx functions to allow for reconfiguring.
405  */
406 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
407 {
408         struct rte_eth_link link;
409         struct enic *enic = pmd_priv(eth_dev);
410
411         ENICPMD_FUNC_TRACE();
412         enic_disable(enic);
413         memset(&link, 0, sizeof(link));
414         rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
415                 *(uint64_t *)&eth_dev->data->dev_link,
416                 *(uint64_t *)&link);
417 }
418
419 /*
420  * Stop device.
421  */
422 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
423 {
424         struct enic *enic = pmd_priv(eth_dev);
425
426         ENICPMD_FUNC_TRACE();
427         enic_remove(enic);
428 }
429
430 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
431         __rte_unused int wait_to_complete)
432 {
433         struct enic *enic = pmd_priv(eth_dev);
434
435         ENICPMD_FUNC_TRACE();
436         return enic_link_update(enic);
437 }
438
439 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
440         struct rte_eth_stats *stats)
441 {
442         struct enic *enic = pmd_priv(eth_dev);
443
444         ENICPMD_FUNC_TRACE();
445         enic_dev_stats_get(enic, stats);
446 }
447
448 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
449 {
450         struct enic *enic = pmd_priv(eth_dev);
451
452         ENICPMD_FUNC_TRACE();
453         enic_dev_stats_clear(enic);
454 }
455
456 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
457         struct rte_eth_dev_info *device_info)
458 {
459         struct enic *enic = pmd_priv(eth_dev);
460
461         ENICPMD_FUNC_TRACE();
462         device_info->pci_dev = eth_dev->pci_dev;
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->max_mtu + ETHER_HDR_LEN + 4;
468         device_info->max_mac_addrs = 1;
469         device_info->rx_offload_capa =
470                 DEV_RX_OFFLOAD_VLAN_STRIP |
471                 DEV_RX_OFFLOAD_IPV4_CKSUM |
472                 DEV_RX_OFFLOAD_UDP_CKSUM  |
473                 DEV_RX_OFFLOAD_TCP_CKSUM;
474         device_info->tx_offload_capa =
475                 DEV_TX_OFFLOAD_VLAN_INSERT |
476                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
477                 DEV_TX_OFFLOAD_UDP_CKSUM   |
478                 DEV_TX_OFFLOAD_TCP_CKSUM;
479         device_info->default_rxconf = (struct rte_eth_rxconf) {
480                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
481         };
482 }
483
484 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
485 {
486         static const uint32_t ptypes[] = {
487                 RTE_PTYPE_L2_ETHER,
488                 RTE_PTYPE_L2_ETHER_VLAN,
489                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
490                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
491                 RTE_PTYPE_L4_TCP,
492                 RTE_PTYPE_L4_UDP,
493                 RTE_PTYPE_L4_FRAG,
494                 RTE_PTYPE_L4_NONFRAG,
495                 RTE_PTYPE_UNKNOWN
496         };
497
498         if (dev->rx_pkt_burst == enic_recv_pkts)
499                 return ptypes;
500         return NULL;
501 }
502
503 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
504 {
505         struct enic *enic = pmd_priv(eth_dev);
506
507         ENICPMD_FUNC_TRACE();
508         enic->promisc = 1;
509         enic_add_packet_filter(enic);
510 }
511
512 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
513 {
514         struct enic *enic = pmd_priv(eth_dev);
515
516         ENICPMD_FUNC_TRACE();
517         enic->promisc = 0;
518         enic_add_packet_filter(enic);
519 }
520
521 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
522 {
523         struct enic *enic = pmd_priv(eth_dev);
524
525         ENICPMD_FUNC_TRACE();
526         enic->allmulti = 1;
527         enic_add_packet_filter(enic);
528 }
529
530 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
531 {
532         struct enic *enic = pmd_priv(eth_dev);
533
534         ENICPMD_FUNC_TRACE();
535         enic->allmulti = 0;
536         enic_add_packet_filter(enic);
537 }
538
539 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
540         struct ether_addr *mac_addr,
541         __rte_unused uint32_t index, __rte_unused uint32_t pool)
542 {
543         struct enic *enic = pmd_priv(eth_dev);
544
545         ENICPMD_FUNC_TRACE();
546         enic_set_mac_address(enic, mac_addr->addr_bytes);
547 }
548
549 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
550 {
551         struct enic *enic = pmd_priv(eth_dev);
552
553         ENICPMD_FUNC_TRACE();
554         enic_del_mac_address(enic);
555 }
556
557 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
558 {
559         struct enic *enic = pmd_priv(eth_dev);
560
561         ENICPMD_FUNC_TRACE();
562         return enic_set_mtu(enic, mtu);
563 }
564
565 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
566         .dev_configure        = enicpmd_dev_configure,
567         .dev_start            = enicpmd_dev_start,
568         .dev_stop             = enicpmd_dev_stop,
569         .dev_set_link_up      = NULL,
570         .dev_set_link_down    = NULL,
571         .dev_close            = enicpmd_dev_close,
572         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
573         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
574         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
575         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
576         .link_update          = enicpmd_dev_link_update,
577         .stats_get            = enicpmd_dev_stats_get,
578         .stats_reset          = enicpmd_dev_stats_reset,
579         .queue_stats_mapping_set = NULL,
580         .dev_infos_get        = enicpmd_dev_info_get,
581         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
582         .mtu_set              = enicpmd_mtu_set,
583         .vlan_filter_set      = enicpmd_vlan_filter_set,
584         .vlan_tpid_set        = NULL,
585         .vlan_offload_set     = enicpmd_vlan_offload_set,
586         .vlan_strip_queue_set = NULL,
587         .rx_queue_start       = enicpmd_dev_rx_queue_start,
588         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
589         .tx_queue_start       = enicpmd_dev_tx_queue_start,
590         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
591         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
592         .rx_queue_release     = enicpmd_dev_rx_queue_release,
593         .rx_queue_count       = enicpmd_dev_rx_queue_count,
594         .rx_descriptor_done   = NULL,
595         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
596         .tx_queue_release     = enicpmd_dev_tx_queue_release,
597         .dev_led_on           = NULL,
598         .dev_led_off          = NULL,
599         .flow_ctrl_get        = NULL,
600         .flow_ctrl_set        = NULL,
601         .priority_flow_ctrl_set = NULL,
602         .mac_addr_add         = enicpmd_add_mac_addr,
603         .mac_addr_remove      = enicpmd_remove_mac_addr,
604         .filter_ctrl          = enicpmd_dev_filter_ctrl,
605 };
606
607 struct enic *enicpmd_list_head = NULL;
608 /* Initialize the driver
609  * It returns 0 on success.
610  */
611 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
612 {
613         struct rte_pci_device *pdev;
614         struct rte_pci_addr *addr;
615         struct enic *enic = pmd_priv(eth_dev);
616
617         ENICPMD_FUNC_TRACE();
618
619         enic->port_id = eth_dev->data->port_id;
620         enic->rte_dev = eth_dev;
621         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
622         eth_dev->rx_pkt_burst = &enic_recv_pkts;
623         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
624
625         pdev = eth_dev->pci_dev;
626         rte_eth_copy_pci_info(eth_dev, pdev);
627         enic->pdev = pdev;
628         addr = &pdev->addr;
629
630         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
631                 addr->domain, addr->bus, addr->devid, addr->function);
632
633         return enic_probe(enic);
634 }
635
636 static struct eth_driver rte_enic_pmd = {
637         .pci_drv = {
638                 .id_table = pci_id_enic_map,
639                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
640                 .probe = rte_eth_dev_pci_probe,
641                 .remove = rte_eth_dev_pci_remove,
642         },
643         .eth_dev_init = eth_enicpmd_dev_init,
644         .dev_private_size = sizeof(struct enic),
645 };
646
647 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd.pci_drv);
648 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
649 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio");