net/enic: support multicast filtering
[dpdk.git] / drivers / net / enic / enic_ethdev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4  */
5
6 #include <stdio.h>
7 #include <stdint.h>
8
9 #include <rte_dev.h>
10 #include <rte_pci.h>
11 #include <rte_bus_pci.h>
12 #include <rte_ethdev_driver.h>
13 #include <rte_ethdev_pci.h>
14 #include <rte_kvargs.h>
15 #include <rte_string_fns.h>
16
17 #include "vnic_intr.h"
18 #include "vnic_cq.h"
19 #include "vnic_wq.h"
20 #include "vnic_rq.h"
21 #include "vnic_enet.h"
22 #include "enic.h"
23
24 int enicpmd_logtype_init;
25 int enicpmd_logtype_flow;
26
27 #define ENICPMD_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
28
29 /*
30  * The set of PCI devices this driver supports
31  */
32 #define CISCO_PCI_VENDOR_ID 0x1137
33 static const struct rte_pci_id pci_id_enic_map[] = {
34         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
35         { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
36         {.vendor_id = 0, /* sentinel */},
37 };
38
39 #define ENIC_DEVARG_DISABLE_OVERLAY "disable-overlay"
40 #define ENIC_DEVARG_ENABLE_AVX2_RX "enable-avx2-rx"
41 #define ENIC_DEVARG_IG_VLAN_REWRITE "ig-vlan-rewrite"
42
43 RTE_INIT(enicpmd_init_log)
44 {
45         enicpmd_logtype_init = rte_log_register("pmd.net.enic.init");
46         if (enicpmd_logtype_init >= 0)
47                 rte_log_set_level(enicpmd_logtype_init, RTE_LOG_NOTICE);
48         enicpmd_logtype_flow = rte_log_register("pmd.net.enic.flow");
49         if (enicpmd_logtype_flow >= 0)
50                 rte_log_set_level(enicpmd_logtype_flow, RTE_LOG_NOTICE);
51 }
52
53 static int
54 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
55                         enum rte_filter_op filter_op, void *arg)
56 {
57         struct enic *enic = pmd_priv(eth_dev);
58         int ret = 0;
59
60         ENICPMD_FUNC_TRACE();
61         if (filter_op == RTE_ETH_FILTER_NOP)
62                 return 0;
63
64         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
65                 return -EINVAL;
66
67         switch (filter_op) {
68         case RTE_ETH_FILTER_ADD:
69         case RTE_ETH_FILTER_UPDATE:
70                 ret = enic_fdir_add_fltr(enic,
71                         (struct rte_eth_fdir_filter *)arg);
72                 break;
73
74         case RTE_ETH_FILTER_DELETE:
75                 ret = enic_fdir_del_fltr(enic,
76                         (struct rte_eth_fdir_filter *)arg);
77                 break;
78
79         case RTE_ETH_FILTER_STATS:
80                 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
81                 break;
82
83         case RTE_ETH_FILTER_FLUSH:
84                 dev_warning(enic, "unsupported operation %u", filter_op);
85                 ret = -ENOTSUP;
86                 break;
87         case RTE_ETH_FILTER_INFO:
88                 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
89                 break;
90         default:
91                 dev_err(enic, "unknown operation %u", filter_op);
92                 ret = -EINVAL;
93                 break;
94         }
95         return ret;
96 }
97
98 static int
99 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
100                      enum rte_filter_type filter_type,
101                      enum rte_filter_op filter_op,
102                      void *arg)
103 {
104         int ret = 0;
105
106         ENICPMD_FUNC_TRACE();
107
108         switch (filter_type) {
109         case RTE_ETH_FILTER_GENERIC:
110                 if (filter_op != RTE_ETH_FILTER_GET)
111                         return -EINVAL;
112                 *(const void **)arg = &enic_flow_ops;
113                 break;
114         case RTE_ETH_FILTER_FDIR:
115                 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
116                 break;
117         default:
118                 dev_warning(enic, "Filter type (%d) not supported",
119                         filter_type);
120                 ret = -EINVAL;
121                 break;
122         }
123
124         return ret;
125 }
126
127 static void enicpmd_dev_tx_queue_release(void *txq)
128 {
129         ENICPMD_FUNC_TRACE();
130
131         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
132                 return;
133
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         if (enic->cq_count != index)
150                 return 0;
151         for (index = 0; index < enic->wq_count; index++) {
152                 if (!enic->wq[index].ctrl)
153                         break;
154         }
155         if (enic->wq_count != index)
156                 return 0;
157         /* check start of packet (SOP) RQs only in case scatter is disabled. */
158         for (index = 0; index < enic->rq_count; index++) {
159                 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
160                         break;
161         }
162         if (enic->rq_count != index)
163                 return 0;
164
165         ret = enic_alloc_intr_resources(enic);
166         if (ret) {
167                 dev_err(enic, "alloc intr failed\n");
168                 return ret;
169         }
170         enic_init_vnic_resources(enic);
171
172         ret = enic_setup_finish(enic);
173         if (ret)
174                 dev_err(enic, "setup could not be finished\n");
175
176         return ret;
177 }
178
179 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
180         uint16_t queue_idx,
181         uint16_t nb_desc,
182         unsigned int socket_id,
183         const struct rte_eth_txconf *tx_conf)
184 {
185         int ret;
186         struct enic *enic = pmd_priv(eth_dev);
187         struct vnic_wq *wq;
188
189         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
190                 return -E_RTE_SECONDARY;
191
192         ENICPMD_FUNC_TRACE();
193         RTE_ASSERT(queue_idx < enic->conf_wq_count);
194         wq = &enic->wq[queue_idx];
195         wq->offloads = tx_conf->offloads |
196                 eth_dev->data->dev_conf.txmode.offloads;
197         eth_dev->data->tx_queues[queue_idx] = (void *)wq;
198
199         ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
200         if (ret) {
201                 dev_err(enic, "error in allocating wq\n");
202                 return ret;
203         }
204
205         return enicpmd_dev_setup_intr(enic);
206 }
207
208 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
209         uint16_t queue_idx)
210 {
211         struct enic *enic = pmd_priv(eth_dev);
212
213         ENICPMD_FUNC_TRACE();
214
215         enic_start_wq(enic, queue_idx);
216
217         return 0;
218 }
219
220 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
221         uint16_t queue_idx)
222 {
223         int ret;
224         struct enic *enic = pmd_priv(eth_dev);
225
226         ENICPMD_FUNC_TRACE();
227
228         ret = enic_stop_wq(enic, queue_idx);
229         if (ret)
230                 dev_err(enic, "error in stopping wq %d\n", queue_idx);
231
232         return ret;
233 }
234
235 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
236         uint16_t queue_idx)
237 {
238         struct enic *enic = pmd_priv(eth_dev);
239
240         ENICPMD_FUNC_TRACE();
241
242         enic_start_rq(enic, queue_idx);
243
244         return 0;
245 }
246
247 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
248         uint16_t queue_idx)
249 {
250         int ret;
251         struct enic *enic = pmd_priv(eth_dev);
252
253         ENICPMD_FUNC_TRACE();
254
255         ret = enic_stop_rq(enic, queue_idx);
256         if (ret)
257                 dev_err(enic, "error in stopping rq %d\n", queue_idx);
258
259         return ret;
260 }
261
262 static void enicpmd_dev_rx_queue_release(void *rxq)
263 {
264         ENICPMD_FUNC_TRACE();
265
266         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
267                 return;
268
269         enic_free_rq(rxq);
270 }
271
272 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
273                                            uint16_t rx_queue_id)
274 {
275         struct enic *enic = pmd_priv(dev);
276         uint32_t queue_count = 0;
277         struct vnic_cq *cq;
278         uint32_t cq_tail;
279         uint16_t cq_idx;
280         int rq_num;
281
282         rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
283         cq = &enic->cq[enic_cq_rq(enic, rq_num)];
284         cq_idx = cq->to_clean;
285
286         cq_tail = ioread32(&cq->ctrl->cq_tail);
287
288         if (cq_tail < cq_idx)
289                 cq_tail += cq->ring.desc_count;
290
291         queue_count = cq_tail - cq_idx;
292
293         return queue_count;
294 }
295
296 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
297         uint16_t queue_idx,
298         uint16_t nb_desc,
299         unsigned int socket_id,
300         const struct rte_eth_rxconf *rx_conf,
301         struct rte_mempool *mp)
302 {
303         int ret;
304         struct enic *enic = pmd_priv(eth_dev);
305
306         ENICPMD_FUNC_TRACE();
307
308         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
309                 return -E_RTE_SECONDARY;
310         RTE_ASSERT(enic_rte_rq_idx_to_sop_idx(queue_idx) < enic->conf_rq_count);
311         eth_dev->data->rx_queues[queue_idx] =
312                 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
313
314         ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
315                             rx_conf->rx_free_thresh);
316         if (ret) {
317                 dev_err(enic, "error in allocating rq\n");
318                 return ret;
319         }
320
321         return enicpmd_dev_setup_intr(enic);
322 }
323
324 static int enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
325 {
326         struct enic *enic = pmd_priv(eth_dev);
327         uint64_t offloads;
328
329         ENICPMD_FUNC_TRACE();
330
331         offloads = eth_dev->data->dev_conf.rxmode.offloads;
332         if (mask & ETH_VLAN_STRIP_MASK) {
333                 if (offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
334                         enic->ig_vlan_strip_en = 1;
335                 else
336                         enic->ig_vlan_strip_en = 0;
337         }
338
339         if ((mask & ETH_VLAN_FILTER_MASK) &&
340             (offloads & DEV_RX_OFFLOAD_VLAN_FILTER)) {
341                 dev_warning(enic,
342                         "Configuration of VLAN filter is not supported\n");
343         }
344
345         if ((mask & ETH_VLAN_EXTEND_MASK) &&
346             (offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)) {
347                 dev_warning(enic,
348                         "Configuration of extended VLAN is not supported\n");
349         }
350
351         return enic_set_vlan_strip(enic);
352 }
353
354 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
355 {
356         int ret;
357         int mask;
358         struct enic *enic = pmd_priv(eth_dev);
359
360         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
361                 return -E_RTE_SECONDARY;
362
363         ENICPMD_FUNC_TRACE();
364         ret = enic_set_vnic_res(enic);
365         if (ret) {
366                 dev_err(enic, "Set vNIC resource num  failed, aborting\n");
367                 return ret;
368         }
369
370         enic->mc_count = 0;
371         enic->hw_ip_checksum = !!(eth_dev->data->dev_conf.rxmode.offloads &
372                                   DEV_RX_OFFLOAD_CHECKSUM);
373         /* All vlan offload masks to apply the current settings */
374         mask = ETH_VLAN_STRIP_MASK |
375                 ETH_VLAN_FILTER_MASK |
376                 ETH_VLAN_EXTEND_MASK;
377         ret = enicpmd_vlan_offload_set(eth_dev, mask);
378         if (ret) {
379                 dev_err(enic, "Failed to configure VLAN offloads\n");
380                 return ret;
381         }
382         /*
383          * Initialize RSS with the default reta and key. If the user key is
384          * given (rx_adv_conf.rss_conf.rss_key), will use that instead of the
385          * default key.
386          */
387         return enic_init_rss_nic_cfg(enic);
388 }
389
390 /* Start the device.
391  * It returns 0 on success.
392  */
393 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
394 {
395         struct enic *enic = pmd_priv(eth_dev);
396
397         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
398                 return -E_RTE_SECONDARY;
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         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
413                 return;
414
415         ENICPMD_FUNC_TRACE();
416         enic_disable(enic);
417
418         memset(&link, 0, sizeof(link));
419         rte_eth_linkstatus_set(eth_dev, &link);
420 }
421
422 /*
423  * Stop device.
424  */
425 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
426 {
427         struct enic *enic = pmd_priv(eth_dev);
428
429         ENICPMD_FUNC_TRACE();
430         enic_remove(enic);
431 }
432
433 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
434         __rte_unused int wait_to_complete)
435 {
436         struct enic *enic = pmd_priv(eth_dev);
437
438         ENICPMD_FUNC_TRACE();
439         return enic_link_update(enic);
440 }
441
442 static int enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
443         struct rte_eth_stats *stats)
444 {
445         struct enic *enic = pmd_priv(eth_dev);
446
447         ENICPMD_FUNC_TRACE();
448         return enic_dev_stats_get(enic, stats);
449 }
450
451 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
452 {
453         struct enic *enic = pmd_priv(eth_dev);
454
455         ENICPMD_FUNC_TRACE();
456         enic_dev_stats_clear(enic);
457 }
458
459 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
460         struct rte_eth_dev_info *device_info)
461 {
462         struct enic *enic = pmd_priv(eth_dev);
463
464         ENICPMD_FUNC_TRACE();
465         /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
466         device_info->max_rx_queues = enic->conf_rq_count / 2;
467         device_info->max_tx_queues = enic->conf_wq_count;
468         device_info->min_rx_bufsize = ENIC_MIN_MTU;
469         /* "Max" mtu is not a typo. HW receives packet sizes up to the
470          * max mtu regardless of the current mtu (vNIC's mtu). vNIC mtu is
471          * a hint to the driver to size receive buffers accordingly so that
472          * larger-than-vnic-mtu packets get truncated.. For DPDK, we let
473          * the user decide the buffer size via rxmode.max_rx_pkt_len, basically
474          * ignoring vNIC mtu.
475          */
476         device_info->max_rx_pktlen = enic_mtu_to_max_rx_pktlen(enic->max_mtu);
477         device_info->max_mac_addrs = ENIC_UNICAST_PERFECT_FILTERS;
478         device_info->rx_offload_capa = enic->rx_offload_capa;
479         device_info->tx_offload_capa = enic->tx_offload_capa;
480         device_info->tx_queue_offload_capa = enic->tx_queue_offload_capa;
481         device_info->default_rxconf = (struct rte_eth_rxconf) {
482                 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
483         };
484         device_info->reta_size = enic->reta_size;
485         device_info->hash_key_size = enic->hash_key_size;
486         device_info->flow_type_rss_offloads = enic->flow_type_rss_offloads;
487         device_info->rx_desc_lim = (struct rte_eth_desc_lim) {
488                 .nb_max = enic->config.rq_desc_count,
489                 .nb_min = ENIC_MIN_RQ_DESCS,
490                 .nb_align = ENIC_ALIGN_DESCS,
491         };
492         device_info->tx_desc_lim = (struct rte_eth_desc_lim) {
493                 .nb_max = enic->config.wq_desc_count,
494                 .nb_min = ENIC_MIN_WQ_DESCS,
495                 .nb_align = ENIC_ALIGN_DESCS,
496                 .nb_seg_max = ENIC_TX_XMIT_MAX,
497                 .nb_mtu_seg_max = ENIC_NON_TSO_MAX_DESC,
498         };
499         device_info->default_rxportconf = (struct rte_eth_dev_portconf) {
500                 .burst_size = ENIC_DEFAULT_RX_BURST,
501                 .ring_size = RTE_MIN(device_info->rx_desc_lim.nb_max,
502                         ENIC_DEFAULT_RX_RING_SIZE),
503                 .nb_queues = ENIC_DEFAULT_RX_RINGS,
504         };
505         device_info->default_txportconf = (struct rte_eth_dev_portconf) {
506                 .burst_size = ENIC_DEFAULT_TX_BURST,
507                 .ring_size = RTE_MIN(device_info->tx_desc_lim.nb_max,
508                         ENIC_DEFAULT_TX_RING_SIZE),
509                 .nb_queues = ENIC_DEFAULT_TX_RINGS,
510         };
511 }
512
513 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
514 {
515         static const uint32_t ptypes[] = {
516                 RTE_PTYPE_L2_ETHER,
517                 RTE_PTYPE_L2_ETHER_VLAN,
518                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
519                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
520                 RTE_PTYPE_L4_TCP,
521                 RTE_PTYPE_L4_UDP,
522                 RTE_PTYPE_L4_FRAG,
523                 RTE_PTYPE_L4_NONFRAG,
524                 RTE_PTYPE_UNKNOWN
525         };
526         static const uint32_t ptypes_overlay[] = {
527                 RTE_PTYPE_L2_ETHER,
528                 RTE_PTYPE_L2_ETHER_VLAN,
529                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
530                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
531                 RTE_PTYPE_L4_TCP,
532                 RTE_PTYPE_L4_UDP,
533                 RTE_PTYPE_L4_FRAG,
534                 RTE_PTYPE_L4_NONFRAG,
535                 RTE_PTYPE_TUNNEL_GRENAT,
536                 RTE_PTYPE_INNER_L2_ETHER,
537                 RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN,
538                 RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN,
539                 RTE_PTYPE_INNER_L4_TCP,
540                 RTE_PTYPE_INNER_L4_UDP,
541                 RTE_PTYPE_INNER_L4_FRAG,
542                 RTE_PTYPE_INNER_L4_NONFRAG,
543                 RTE_PTYPE_UNKNOWN
544         };
545
546         if (dev->rx_pkt_burst != enic_dummy_recv_pkts &&
547             dev->rx_pkt_burst != NULL) {
548                 struct enic *enic = pmd_priv(dev);
549                 if (enic->overlay_offload)
550                         return ptypes_overlay;
551                 else
552                         return ptypes;
553         }
554         return NULL;
555 }
556
557 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
558 {
559         struct enic *enic = pmd_priv(eth_dev);
560
561         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
562                 return;
563
564         ENICPMD_FUNC_TRACE();
565
566         enic->promisc = 1;
567         enic_add_packet_filter(enic);
568 }
569
570 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
571 {
572         struct enic *enic = pmd_priv(eth_dev);
573
574         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
575                 return;
576
577         ENICPMD_FUNC_TRACE();
578         enic->promisc = 0;
579         enic_add_packet_filter(enic);
580 }
581
582 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
583 {
584         struct enic *enic = pmd_priv(eth_dev);
585
586         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
587                 return;
588
589         ENICPMD_FUNC_TRACE();
590         enic->allmulti = 1;
591         enic_add_packet_filter(enic);
592 }
593
594 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
595 {
596         struct enic *enic = pmd_priv(eth_dev);
597
598         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
599                 return;
600
601         ENICPMD_FUNC_TRACE();
602         enic->allmulti = 0;
603         enic_add_packet_filter(enic);
604 }
605
606 static int enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
607         struct ether_addr *mac_addr,
608         __rte_unused uint32_t index, __rte_unused uint32_t pool)
609 {
610         struct enic *enic = pmd_priv(eth_dev);
611
612         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
613                 return -E_RTE_SECONDARY;
614
615         ENICPMD_FUNC_TRACE();
616         return enic_set_mac_address(enic, mac_addr->addr_bytes);
617 }
618
619 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, uint32_t index)
620 {
621         struct enic *enic = pmd_priv(eth_dev);
622
623         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
624                 return;
625
626         ENICPMD_FUNC_TRACE();
627         if (enic_del_mac_address(enic, index))
628                 dev_err(enic, "del mac addr failed\n");
629 }
630
631 static int enicpmd_set_mac_addr(struct rte_eth_dev *eth_dev,
632                                 struct ether_addr *addr)
633 {
634         struct enic *enic = pmd_priv(eth_dev);
635         int ret;
636
637         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
638                 return -E_RTE_SECONDARY;
639
640         ENICPMD_FUNC_TRACE();
641         ret = enic_del_mac_address(enic, 0);
642         if (ret)
643                 return ret;
644         return enic_set_mac_address(enic, addr->addr_bytes);
645 }
646
647 static void debug_log_add_del_addr(struct ether_addr *addr, bool add)
648 {
649         char mac_str[ETHER_ADDR_FMT_SIZE];
650         if (rte_log_get_level(enicpmd_logtype_init) == RTE_LOG_DEBUG) {
651                 ether_format_addr(mac_str, ETHER_ADDR_FMT_SIZE, addr);
652                 PMD_INIT_LOG(ERR, " %s address %s\n",
653                              add ? "add" : "remove", mac_str);
654         }
655 }
656
657 static int enicpmd_set_mc_addr_list(struct rte_eth_dev *eth_dev,
658                                     struct ether_addr *mc_addr_set,
659                                     uint32_t nb_mc_addr)
660 {
661         struct enic *enic = pmd_priv(eth_dev);
662         char mac_str[ETHER_ADDR_FMT_SIZE];
663         struct ether_addr *addr;
664         uint32_t i, j;
665         int ret;
666
667         ENICPMD_FUNC_TRACE();
668
669         /* Validate the given addresses first */
670         for (i = 0; i < nb_mc_addr && mc_addr_set != NULL; i++) {
671                 addr = &mc_addr_set[i];
672                 if (!is_multicast_ether_addr(addr) ||
673                     is_broadcast_ether_addr(addr)) {
674                         ether_format_addr(mac_str, ETHER_ADDR_FMT_SIZE, addr);
675                         PMD_INIT_LOG(ERR, " invalid multicast address %s\n",
676                                      mac_str);
677                         return -EINVAL;
678                 }
679         }
680
681         /* Flush all if requested */
682         if (nb_mc_addr == 0 || mc_addr_set == NULL) {
683                 PMD_INIT_LOG(DEBUG, " flush multicast addresses\n");
684                 for (i = 0; i < enic->mc_count; i++) {
685                         addr = &enic->mc_addrs[i];
686                         debug_log_add_del_addr(addr, false);
687                         ret = vnic_dev_del_addr(enic->vdev, addr->addr_bytes);
688                         if (ret)
689                                 return ret;
690                 }
691                 enic->mc_count = 0;
692                 return 0;
693         }
694
695         if (nb_mc_addr > ENIC_MULTICAST_PERFECT_FILTERS) {
696                 PMD_INIT_LOG(ERR, " too many multicast addresses: max=%d\n",
697                              ENIC_MULTICAST_PERFECT_FILTERS);
698                 return -ENOSPC;
699         }
700         /*
701          * devcmd is slow, so apply the difference instead of flushing and
702          * adding everything.
703          * 1. Delete addresses on the NIC but not on the host
704          */
705         for (i = 0; i < enic->mc_count; i++) {
706                 addr = &enic->mc_addrs[i];
707                 for (j = 0; j < nb_mc_addr; j++) {
708                         if (is_same_ether_addr(addr, &mc_addr_set[j]))
709                                 break;
710                 }
711                 if (j < nb_mc_addr)
712                         continue;
713                 debug_log_add_del_addr(addr, false);
714                 ret = vnic_dev_del_addr(enic->vdev, addr->addr_bytes);
715                 if (ret)
716                         return ret;
717         }
718         /* 2. Add addresses on the host but not on the NIC */
719         for (i = 0; i < nb_mc_addr; i++) {
720                 addr = &mc_addr_set[i];
721                 for (j = 0; j < enic->mc_count; j++) {
722                         if (is_same_ether_addr(addr, &enic->mc_addrs[j]))
723                                 break;
724                 }
725                 if (j < enic->mc_count)
726                         continue;
727                 debug_log_add_del_addr(addr, true);
728                 ret = vnic_dev_add_addr(enic->vdev, addr->addr_bytes);
729                 if (ret)
730                         return ret;
731         }
732         /* Keep a copy so we can flush/apply later on.. */
733         memcpy(enic->mc_addrs, mc_addr_set,
734                nb_mc_addr * sizeof(struct ether_addr));
735         enic->mc_count = nb_mc_addr;
736         return 0;
737 }
738
739 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
740 {
741         struct enic *enic = pmd_priv(eth_dev);
742
743         ENICPMD_FUNC_TRACE();
744         return enic_set_mtu(enic, mtu);
745 }
746
747 static int enicpmd_dev_rss_reta_query(struct rte_eth_dev *dev,
748                                       struct rte_eth_rss_reta_entry64
749                                       *reta_conf,
750                                       uint16_t reta_size)
751 {
752         struct enic *enic = pmd_priv(dev);
753         uint16_t i, idx, shift;
754
755         ENICPMD_FUNC_TRACE();
756         if (reta_size != ENIC_RSS_RETA_SIZE) {
757                 dev_err(enic, "reta_query: wrong reta_size. given=%u expected=%u\n",
758                         reta_size, ENIC_RSS_RETA_SIZE);
759                 return -EINVAL;
760         }
761
762         for (i = 0; i < reta_size; i++) {
763                 idx = i / RTE_RETA_GROUP_SIZE;
764                 shift = i % RTE_RETA_GROUP_SIZE;
765                 if (reta_conf[idx].mask & (1ULL << shift))
766                         reta_conf[idx].reta[shift] = enic_sop_rq_idx_to_rte_idx(
767                                 enic->rss_cpu.cpu[i / 4].b[i % 4]);
768         }
769
770         return 0;
771 }
772
773 static int enicpmd_dev_rss_reta_update(struct rte_eth_dev *dev,
774                                        struct rte_eth_rss_reta_entry64
775                                        *reta_conf,
776                                        uint16_t reta_size)
777 {
778         struct enic *enic = pmd_priv(dev);
779         union vnic_rss_cpu rss_cpu;
780         uint16_t i, idx, shift;
781
782         ENICPMD_FUNC_TRACE();
783         if (reta_size != ENIC_RSS_RETA_SIZE) {
784                 dev_err(enic, "reta_update: wrong reta_size. given=%u"
785                         " expected=%u\n",
786                         reta_size, ENIC_RSS_RETA_SIZE);
787                 return -EINVAL;
788         }
789         /*
790          * Start with the current reta and modify it per reta_conf, as we
791          * need to push the entire reta even if we only modify one entry.
792          */
793         rss_cpu = enic->rss_cpu;
794         for (i = 0; i < reta_size; i++) {
795                 idx = i / RTE_RETA_GROUP_SIZE;
796                 shift = i % RTE_RETA_GROUP_SIZE;
797                 if (reta_conf[idx].mask & (1ULL << shift))
798                         rss_cpu.cpu[i / 4].b[i % 4] =
799                                 enic_rte_rq_idx_to_sop_idx(
800                                         reta_conf[idx].reta[shift]);
801         }
802         return enic_set_rss_reta(enic, &rss_cpu);
803 }
804
805 static int enicpmd_dev_rss_hash_update(struct rte_eth_dev *dev,
806                                        struct rte_eth_rss_conf *rss_conf)
807 {
808         struct enic *enic = pmd_priv(dev);
809
810         ENICPMD_FUNC_TRACE();
811         return enic_set_rss_conf(enic, rss_conf);
812 }
813
814 static int enicpmd_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
815                                          struct rte_eth_rss_conf *rss_conf)
816 {
817         struct enic *enic = pmd_priv(dev);
818
819         ENICPMD_FUNC_TRACE();
820         if (rss_conf == NULL)
821                 return -EINVAL;
822         if (rss_conf->rss_key != NULL &&
823             rss_conf->rss_key_len < ENIC_RSS_HASH_KEY_SIZE) {
824                 dev_err(enic, "rss_hash_conf_get: wrong rss_key_len. given=%u"
825                         " expected=%u+\n",
826                         rss_conf->rss_key_len, ENIC_RSS_HASH_KEY_SIZE);
827                 return -EINVAL;
828         }
829         rss_conf->rss_hf = enic->rss_hf;
830         if (rss_conf->rss_key != NULL) {
831                 int i;
832                 for (i = 0; i < ENIC_RSS_HASH_KEY_SIZE; i++) {
833                         rss_conf->rss_key[i] =
834                                 enic->rss_key.key[i / 10].b[i % 10];
835                 }
836                 rss_conf->rss_key_len = ENIC_RSS_HASH_KEY_SIZE;
837         }
838         return 0;
839 }
840
841 static void enicpmd_dev_rxq_info_get(struct rte_eth_dev *dev,
842                                      uint16_t rx_queue_id,
843                                      struct rte_eth_rxq_info *qinfo)
844 {
845         struct enic *enic = pmd_priv(dev);
846         struct vnic_rq *rq_sop;
847         struct vnic_rq *rq_data;
848         struct rte_eth_rxconf *conf;
849         uint16_t sop_queue_idx;
850         uint16_t data_queue_idx;
851
852         ENICPMD_FUNC_TRACE();
853         sop_queue_idx = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
854         data_queue_idx = enic_rte_rq_idx_to_data_idx(rx_queue_id);
855         rq_sop = &enic->rq[sop_queue_idx];
856         rq_data = &enic->rq[data_queue_idx]; /* valid if data_queue_enable */
857         qinfo->mp = rq_sop->mp;
858         qinfo->scattered_rx = rq_sop->data_queue_enable;
859         qinfo->nb_desc = rq_sop->ring.desc_count;
860         if (qinfo->scattered_rx)
861                 qinfo->nb_desc += rq_data->ring.desc_count;
862         conf = &qinfo->conf;
863         memset(conf, 0, sizeof(*conf));
864         conf->rx_free_thresh = rq_sop->rx_free_thresh;
865         conf->rx_drop_en = 1;
866         /*
867          * Except VLAN stripping (port setting), all the checksum offloads
868          * are always enabled.
869          */
870         conf->offloads = enic->rx_offload_capa;
871         if (!enic->ig_vlan_strip_en)
872                 conf->offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
873         /* rx_thresh and other fields are not applicable for enic */
874 }
875
876 static void enicpmd_dev_txq_info_get(struct rte_eth_dev *dev,
877                                      uint16_t tx_queue_id,
878                                      struct rte_eth_txq_info *qinfo)
879 {
880         struct enic *enic = pmd_priv(dev);
881         struct vnic_wq *wq = &enic->wq[tx_queue_id];
882
883         ENICPMD_FUNC_TRACE();
884         qinfo->nb_desc = wq->ring.desc_count;
885         memset(&qinfo->conf, 0, sizeof(qinfo->conf));
886         qinfo->conf.offloads = wq->offloads;
887         /* tx_thresh, and all the other fields are not applicable for enic */
888 }
889
890 static int enicpmd_dev_rx_queue_intr_enable(struct rte_eth_dev *eth_dev,
891                                             uint16_t rx_queue_id)
892 {
893         struct enic *enic = pmd_priv(eth_dev);
894
895         ENICPMD_FUNC_TRACE();
896         vnic_intr_unmask(&enic->intr[rx_queue_id + ENICPMD_RXQ_INTR_OFFSET]);
897         return 0;
898 }
899
900 static int enicpmd_dev_rx_queue_intr_disable(struct rte_eth_dev *eth_dev,
901                                              uint16_t rx_queue_id)
902 {
903         struct enic *enic = pmd_priv(eth_dev);
904
905         ENICPMD_FUNC_TRACE();
906         vnic_intr_mask(&enic->intr[rx_queue_id + ENICPMD_RXQ_INTR_OFFSET]);
907         return 0;
908 }
909
910 static int udp_tunnel_common_check(struct enic *enic,
911                                    struct rte_eth_udp_tunnel *tnl)
912 {
913         if (tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN)
914                 return -ENOTSUP;
915         if (!enic->overlay_offload) {
916                 PMD_INIT_LOG(DEBUG, " vxlan (overlay offload) is not "
917                              "supported\n");
918                 return -ENOTSUP;
919         }
920         return 0;
921 }
922
923 static int update_vxlan_port(struct enic *enic, uint16_t port)
924 {
925         if (vnic_dev_overlay_offload_cfg(enic->vdev,
926                                          OVERLAY_CFG_VXLAN_PORT_UPDATE,
927                                          port)) {
928                 PMD_INIT_LOG(DEBUG, " failed to update vxlan port\n");
929                 return -EINVAL;
930         }
931         PMD_INIT_LOG(DEBUG, " updated vxlan port to %u\n", port);
932         enic->vxlan_port = port;
933         return 0;
934 }
935
936 static int enicpmd_dev_udp_tunnel_port_add(struct rte_eth_dev *eth_dev,
937                                            struct rte_eth_udp_tunnel *tnl)
938 {
939         struct enic *enic = pmd_priv(eth_dev);
940         int ret;
941
942         ENICPMD_FUNC_TRACE();
943         ret = udp_tunnel_common_check(enic, tnl);
944         if (ret)
945                 return ret;
946         /*
947          * The NIC has 1 configurable VXLAN port number. "Adding" a new port
948          * number replaces it.
949          */
950         if (tnl->udp_port == enic->vxlan_port || tnl->udp_port == 0) {
951                 PMD_INIT_LOG(DEBUG, " %u is already configured or invalid\n",
952                              tnl->udp_port);
953                 return -EINVAL;
954         }
955         return update_vxlan_port(enic, tnl->udp_port);
956 }
957
958 static int enicpmd_dev_udp_tunnel_port_del(struct rte_eth_dev *eth_dev,
959                                            struct rte_eth_udp_tunnel *tnl)
960 {
961         struct enic *enic = pmd_priv(eth_dev);
962         int ret;
963
964         ENICPMD_FUNC_TRACE();
965         ret = udp_tunnel_common_check(enic, tnl);
966         if (ret)
967                 return ret;
968         /*
969          * Clear the previously set port number and restore the
970          * hardware default port number. Some drivers disable VXLAN
971          * offloads when there are no configured port numbers. But
972          * enic does not do that as VXLAN is part of overlay offload,
973          * which is tied to inner RSS and TSO.
974          */
975         if (tnl->udp_port != enic->vxlan_port) {
976                 PMD_INIT_LOG(DEBUG, " %u is not a configured vxlan port\n",
977                              tnl->udp_port);
978                 return -EINVAL;
979         }
980         return update_vxlan_port(enic, ENIC_DEFAULT_VXLAN_PORT);
981 }
982
983 static int enicpmd_dev_fw_version_get(struct rte_eth_dev *eth_dev,
984                                       char *fw_version, size_t fw_size)
985 {
986         struct vnic_devcmd_fw_info *info;
987         struct enic *enic;
988         int ret;
989
990         ENICPMD_FUNC_TRACE();
991         if (fw_version == NULL || fw_size <= 0)
992                 return -EINVAL;
993         enic = pmd_priv(eth_dev);
994         ret = vnic_dev_fw_info(enic->vdev, &info);
995         if (ret)
996                 return ret;
997         snprintf(fw_version, fw_size, "%s %s",
998                  info->fw_version, info->fw_build);
999         fw_version[fw_size - 1] = '\0';
1000         return 0;
1001 }
1002
1003 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
1004         .dev_configure        = enicpmd_dev_configure,
1005         .dev_start            = enicpmd_dev_start,
1006         .dev_stop             = enicpmd_dev_stop,
1007         .dev_set_link_up      = NULL,
1008         .dev_set_link_down    = NULL,
1009         .dev_close            = enicpmd_dev_close,
1010         .promiscuous_enable   = enicpmd_dev_promiscuous_enable,
1011         .promiscuous_disable  = enicpmd_dev_promiscuous_disable,
1012         .allmulticast_enable  = enicpmd_dev_allmulticast_enable,
1013         .allmulticast_disable = enicpmd_dev_allmulticast_disable,
1014         .link_update          = enicpmd_dev_link_update,
1015         .stats_get            = enicpmd_dev_stats_get,
1016         .stats_reset          = enicpmd_dev_stats_reset,
1017         .queue_stats_mapping_set = NULL,
1018         .dev_infos_get        = enicpmd_dev_info_get,
1019         .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
1020         .mtu_set              = enicpmd_mtu_set,
1021         .vlan_filter_set      = NULL,
1022         .vlan_tpid_set        = NULL,
1023         .vlan_offload_set     = enicpmd_vlan_offload_set,
1024         .vlan_strip_queue_set = NULL,
1025         .rx_queue_start       = enicpmd_dev_rx_queue_start,
1026         .rx_queue_stop        = enicpmd_dev_rx_queue_stop,
1027         .tx_queue_start       = enicpmd_dev_tx_queue_start,
1028         .tx_queue_stop        = enicpmd_dev_tx_queue_stop,
1029         .rx_queue_setup       = enicpmd_dev_rx_queue_setup,
1030         .rx_queue_release     = enicpmd_dev_rx_queue_release,
1031         .rx_queue_count       = enicpmd_dev_rx_queue_count,
1032         .rx_descriptor_done   = NULL,
1033         .tx_queue_setup       = enicpmd_dev_tx_queue_setup,
1034         .tx_queue_release     = enicpmd_dev_tx_queue_release,
1035         .rx_queue_intr_enable = enicpmd_dev_rx_queue_intr_enable,
1036         .rx_queue_intr_disable = enicpmd_dev_rx_queue_intr_disable,
1037         .rxq_info_get         = enicpmd_dev_rxq_info_get,
1038         .txq_info_get         = enicpmd_dev_txq_info_get,
1039         .dev_led_on           = NULL,
1040         .dev_led_off          = NULL,
1041         .flow_ctrl_get        = NULL,
1042         .flow_ctrl_set        = NULL,
1043         .priority_flow_ctrl_set = NULL,
1044         .mac_addr_add         = enicpmd_add_mac_addr,
1045         .mac_addr_remove      = enicpmd_remove_mac_addr,
1046         .mac_addr_set         = enicpmd_set_mac_addr,
1047         .set_mc_addr_list     = enicpmd_set_mc_addr_list,
1048         .filter_ctrl          = enicpmd_dev_filter_ctrl,
1049         .reta_query           = enicpmd_dev_rss_reta_query,
1050         .reta_update          = enicpmd_dev_rss_reta_update,
1051         .rss_hash_conf_get    = enicpmd_dev_rss_hash_conf_get,
1052         .rss_hash_update      = enicpmd_dev_rss_hash_update,
1053         .udp_tunnel_port_add  = enicpmd_dev_udp_tunnel_port_add,
1054         .udp_tunnel_port_del  = enicpmd_dev_udp_tunnel_port_del,
1055         .fw_version_get       = enicpmd_dev_fw_version_get,
1056 };
1057
1058 static int enic_parse_zero_one(const char *key,
1059                                const char *value,
1060                                void *opaque)
1061 {
1062         struct enic *enic;
1063         bool b;
1064
1065         enic = (struct enic *)opaque;
1066         if (strcmp(value, "0") == 0) {
1067                 b = false;
1068         } else if (strcmp(value, "1") == 0) {
1069                 b = true;
1070         } else {
1071                 dev_err(enic, "Invalid value for %s"
1072                         ": expected=0|1 given=%s\n", key, value);
1073                 return -EINVAL;
1074         }
1075         if (strcmp(key, ENIC_DEVARG_DISABLE_OVERLAY) == 0)
1076                 enic->disable_overlay = b;
1077         if (strcmp(key, ENIC_DEVARG_ENABLE_AVX2_RX) == 0)
1078                 enic->enable_avx2_rx = b;
1079         return 0;
1080 }
1081
1082 static int enic_parse_ig_vlan_rewrite(__rte_unused const char *key,
1083                                       const char *value,
1084                                       void *opaque)
1085 {
1086         struct enic *enic;
1087
1088         enic = (struct enic *)opaque;
1089         if (strcmp(value, "trunk") == 0) {
1090                 /* Trunk mode: always tag */
1091                 enic->ig_vlan_rewrite_mode = IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK;
1092         } else if (strcmp(value, "untag") == 0) {
1093                 /* Untag default VLAN mode: untag if VLAN = default VLAN */
1094                 enic->ig_vlan_rewrite_mode =
1095                         IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN;
1096         } else if (strcmp(value, "priority") == 0) {
1097                 /*
1098                  * Priority-tag default VLAN mode: priority tag (VLAN header
1099                  * with ID=0) if VLAN = default
1100                  */
1101                 enic->ig_vlan_rewrite_mode =
1102                         IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN;
1103         } else if (strcmp(value, "pass") == 0) {
1104                 /* Pass through mode: do not touch tags */
1105                 enic->ig_vlan_rewrite_mode = IG_VLAN_REWRITE_MODE_PASS_THRU;
1106         } else {
1107                 dev_err(enic, "Invalid value for " ENIC_DEVARG_IG_VLAN_REWRITE
1108                         ": expected=trunk|untag|priority|pass given=%s\n",
1109                         value);
1110                 return -EINVAL;
1111         }
1112         return 0;
1113 }
1114
1115 static int enic_check_devargs(struct rte_eth_dev *dev)
1116 {
1117         static const char *const valid_keys[] = {
1118                 ENIC_DEVARG_DISABLE_OVERLAY,
1119                 ENIC_DEVARG_ENABLE_AVX2_RX,
1120                 ENIC_DEVARG_IG_VLAN_REWRITE,
1121                 NULL};
1122         struct enic *enic = pmd_priv(dev);
1123         struct rte_kvargs *kvlist;
1124
1125         ENICPMD_FUNC_TRACE();
1126
1127         enic->disable_overlay = false;
1128         enic->enable_avx2_rx = false;
1129         enic->ig_vlan_rewrite_mode = IG_VLAN_REWRITE_MODE_PASS_THRU;
1130         if (!dev->device->devargs)
1131                 return 0;
1132         kvlist = rte_kvargs_parse(dev->device->devargs->args, valid_keys);
1133         if (!kvlist)
1134                 return -EINVAL;
1135         if (rte_kvargs_process(kvlist, ENIC_DEVARG_DISABLE_OVERLAY,
1136                                enic_parse_zero_one, enic) < 0 ||
1137             rte_kvargs_process(kvlist, ENIC_DEVARG_ENABLE_AVX2_RX,
1138                                enic_parse_zero_one, enic) < 0 ||
1139             rte_kvargs_process(kvlist, ENIC_DEVARG_IG_VLAN_REWRITE,
1140                                enic_parse_ig_vlan_rewrite, enic) < 0) {
1141                 rte_kvargs_free(kvlist);
1142                 return -EINVAL;
1143         }
1144         rte_kvargs_free(kvlist);
1145         return 0;
1146 }
1147
1148 /* Initialize the driver
1149  * It returns 0 on success.
1150  */
1151 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
1152 {
1153         struct rte_pci_device *pdev;
1154         struct rte_pci_addr *addr;
1155         struct enic *enic = pmd_priv(eth_dev);
1156         int err;
1157
1158         ENICPMD_FUNC_TRACE();
1159
1160         enic->port_id = eth_dev->data->port_id;
1161         enic->rte_dev = eth_dev;
1162         eth_dev->dev_ops = &enicpmd_eth_dev_ops;
1163         eth_dev->rx_pkt_burst = &enic_recv_pkts;
1164         eth_dev->tx_pkt_burst = &enic_xmit_pkts;
1165         eth_dev->tx_pkt_prepare = &enic_prep_pkts;
1166         /* Let rte_eth_dev_close() release the port resources */
1167         eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
1168
1169         pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
1170         rte_eth_copy_pci_info(eth_dev, pdev);
1171         enic->pdev = pdev;
1172         addr = &pdev->addr;
1173
1174         snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
1175                 addr->domain, addr->bus, addr->devid, addr->function);
1176
1177         err = enic_check_devargs(eth_dev);
1178         if (err)
1179                 return err;
1180         return enic_probe(enic);
1181 }
1182
1183 static int eth_enic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1184         struct rte_pci_device *pci_dev)
1185 {
1186         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct enic),
1187                 eth_enicpmd_dev_init);
1188 }
1189
1190 static int eth_enic_pci_remove(struct rte_pci_device *pci_dev)
1191 {
1192         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
1193 }
1194
1195 static struct rte_pci_driver rte_enic_pmd = {
1196         .id_table = pci_id_enic_map,
1197         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
1198                      RTE_PCI_DRV_IOVA_AS_VA,
1199         .probe = eth_enic_pci_probe,
1200         .remove = eth_enic_pci_remove,
1201 };
1202
1203 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd);
1204 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);
1205 RTE_PMD_REGISTER_KMOD_DEP(net_enic, "* igb_uio | uio_pci_generic | vfio-pci");
1206 RTE_PMD_REGISTER_PARAM_STRING(net_enic,
1207         ENIC_DEVARG_DISABLE_OVERLAY "=0|1 "
1208         ENIC_DEVARG_ENABLE_AVX2_RX "=0|1 "
1209         ENIC_DEVARG_IG_VLAN_REWRITE "=trunk|untag|priority|pass");