net/ixgbe/base: remove X550em SFP iXFI setup
[dpdk.git] / drivers / net / sfc / sfc_ethdev.c
1 /*-
2  * Copyright (c) 2016 Solarflare Communications Inc.
3  * All rights reserved.
4  *
5  * This software was jointly developed between OKTET Labs (under contract
6  * for Solarflare) and Solarflare Communications, Inc.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright notice,
12  *    this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright notice,
14  *    this list of conditions and the following disclaimer in the documentation
15  *    and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include <rte_dev.h>
31 #include <rte_ethdev.h>
32 #include <rte_pci.h>
33
34 #include "efx.h"
35
36 #include "sfc.h"
37 #include "sfc_debug.h"
38 #include "sfc_log.h"
39 #include "sfc_kvargs.h"
40 #include "sfc_ev.h"
41 #include "sfc_rx.h"
42 #include "sfc_tx.h"
43
44
45 static void
46 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
47 {
48         struct sfc_adapter *sa = dev->data->dev_private;
49         const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
50
51         sfc_log_init(sa, "entry");
52
53         dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
54         dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
55
56         /* Autonegotiation may be disabled */
57         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
58         if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
59                 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
60         if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
61                 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
62         if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
63                 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
64
65         dev_info->max_rx_queues = sa->rxq_max;
66         dev_info->max_tx_queues = sa->txq_max;
67
68         /* By default packets are dropped if no descriptors are available */
69         dev_info->default_rxconf.rx_drop_en = 1;
70
71         dev_info->rx_offload_capa =
72                 DEV_RX_OFFLOAD_IPV4_CKSUM |
73                 DEV_RX_OFFLOAD_UDP_CKSUM |
74                 DEV_RX_OFFLOAD_TCP_CKSUM;
75
76         dev_info->tx_offload_capa =
77                 DEV_TX_OFFLOAD_IPV4_CKSUM |
78                 DEV_TX_OFFLOAD_UDP_CKSUM |
79                 DEV_TX_OFFLOAD_TCP_CKSUM;
80
81         dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
82         if (!encp->enc_hw_tx_insert_vlan_enabled)
83                 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
84         else
85                 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
86
87 #if EFSYS_OPT_RX_SCALE
88         if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
89                 dev_info->reta_size = EFX_RSS_TBL_SIZE;
90                 dev_info->hash_key_size = SFC_RSS_KEY_SIZE;
91                 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
92         }
93 #endif
94
95         if (sa->tso)
96                 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
97
98         dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
99         dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
100         /* The RXQ hardware requires that the descriptor count is a power
101          * of 2, but rx_desc_lim cannot properly describe that constraint.
102          */
103         dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
104
105         dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
106         dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
107         /*
108          * The TXQ hardware requires that the descriptor count is a power
109          * of 2, but tx_desc_lim cannot properly describe that constraint
110          */
111         dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
112 }
113
114 static const uint32_t *
115 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
116 {
117         static const uint32_t ptypes[] = {
118                 RTE_PTYPE_L2_ETHER,
119                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
120                 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
121                 RTE_PTYPE_L4_TCP,
122                 RTE_PTYPE_L4_UDP,
123                 RTE_PTYPE_UNKNOWN
124         };
125
126         if (dev->rx_pkt_burst == sfc_recv_pkts)
127                 return ptypes;
128
129         return NULL;
130 }
131
132 static int
133 sfc_dev_configure(struct rte_eth_dev *dev)
134 {
135         struct rte_eth_dev_data *dev_data = dev->data;
136         struct sfc_adapter *sa = dev_data->dev_private;
137         int rc;
138
139         sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
140                      dev_data->nb_rx_queues, dev_data->nb_tx_queues);
141
142         sfc_adapter_lock(sa);
143         switch (sa->state) {
144         case SFC_ADAPTER_CONFIGURED:
145                 sfc_close(sa);
146                 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
147                 /* FALLTHROUGH */
148         case SFC_ADAPTER_INITIALIZED:
149                 rc = sfc_configure(sa);
150                 break;
151         default:
152                 sfc_err(sa, "unexpected adapter state %u to configure",
153                         sa->state);
154                 rc = EINVAL;
155                 break;
156         }
157         sfc_adapter_unlock(sa);
158
159         sfc_log_init(sa, "done %d", rc);
160         SFC_ASSERT(rc >= 0);
161         return -rc;
162 }
163
164 static int
165 sfc_dev_start(struct rte_eth_dev *dev)
166 {
167         struct sfc_adapter *sa = dev->data->dev_private;
168         int rc;
169
170         sfc_log_init(sa, "entry");
171
172         sfc_adapter_lock(sa);
173         rc = sfc_start(sa);
174         sfc_adapter_unlock(sa);
175
176         sfc_log_init(sa, "done %d", rc);
177         SFC_ASSERT(rc >= 0);
178         return -rc;
179 }
180
181 static int
182 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
183 {
184         struct sfc_adapter *sa = dev->data->dev_private;
185         struct rte_eth_link *dev_link = &dev->data->dev_link;
186         struct rte_eth_link old_link;
187         struct rte_eth_link current_link;
188
189         sfc_log_init(sa, "entry");
190
191 retry:
192         EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
193         *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
194
195         if (sa->state != SFC_ADAPTER_STARTED) {
196                 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, &current_link);
197                 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
198                                          *(uint64_t *)&old_link,
199                                          *(uint64_t *)&current_link))
200                         goto retry;
201         } else if (wait_to_complete) {
202                 efx_link_mode_t link_mode;
203
204                 if (efx_port_poll(sa->nic, &link_mode) != 0)
205                         link_mode = EFX_LINK_UNKNOWN;
206                 sfc_port_link_mode_to_info(link_mode, &current_link);
207
208                 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
209                                          *(uint64_t *)&old_link,
210                                          *(uint64_t *)&current_link))
211                         goto retry;
212         } else {
213                 sfc_ev_mgmt_qpoll(sa);
214                 *(int64_t *)&current_link =
215                         rte_atomic64_read((rte_atomic64_t *)dev_link);
216         }
217
218         if (old_link.link_status != current_link.link_status)
219                 sfc_info(sa, "Link status is %s",
220                          current_link.link_status ? "UP" : "DOWN");
221
222         return old_link.link_status == current_link.link_status ? 0 : -1;
223 }
224
225 static void
226 sfc_dev_stop(struct rte_eth_dev *dev)
227 {
228         struct sfc_adapter *sa = dev->data->dev_private;
229
230         sfc_log_init(sa, "entry");
231
232         sfc_adapter_lock(sa);
233         sfc_stop(sa);
234         sfc_adapter_unlock(sa);
235
236         sfc_log_init(sa, "done");
237 }
238
239 static int
240 sfc_dev_set_link_up(struct rte_eth_dev *dev)
241 {
242         struct sfc_adapter *sa = dev->data->dev_private;
243         int rc;
244
245         sfc_log_init(sa, "entry");
246
247         sfc_adapter_lock(sa);
248         rc = sfc_start(sa);
249         sfc_adapter_unlock(sa);
250
251         SFC_ASSERT(rc >= 0);
252         return -rc;
253 }
254
255 static int
256 sfc_dev_set_link_down(struct rte_eth_dev *dev)
257 {
258         struct sfc_adapter *sa = dev->data->dev_private;
259
260         sfc_log_init(sa, "entry");
261
262         sfc_adapter_lock(sa);
263         sfc_stop(sa);
264         sfc_adapter_unlock(sa);
265
266         return 0;
267 }
268
269 static void
270 sfc_dev_close(struct rte_eth_dev *dev)
271 {
272         struct sfc_adapter *sa = dev->data->dev_private;
273
274         sfc_log_init(sa, "entry");
275
276         sfc_adapter_lock(sa);
277         switch (sa->state) {
278         case SFC_ADAPTER_STARTED:
279                 sfc_stop(sa);
280                 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
281                 /* FALLTHROUGH */
282         case SFC_ADAPTER_CONFIGURED:
283                 sfc_close(sa);
284                 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
285                 /* FALLTHROUGH */
286         case SFC_ADAPTER_INITIALIZED:
287                 break;
288         default:
289                 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
290                 break;
291         }
292         sfc_adapter_unlock(sa);
293
294         sfc_log_init(sa, "done");
295 }
296
297 static void
298 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
299                    boolean_t enabled)
300 {
301         struct sfc_port *port;
302         boolean_t *toggle;
303         struct sfc_adapter *sa = dev->data->dev_private;
304         boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
305         const char *desc = (allmulti) ? "all-multi" : "promiscuous";
306
307         sfc_adapter_lock(sa);
308
309         port = &sa->port;
310         toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
311
312         if (*toggle != enabled) {
313                 *toggle = enabled;
314
315                 if ((sa->state == SFC_ADAPTER_STARTED) &&
316                     (sfc_set_rx_mode(sa) != 0)) {
317                         *toggle = !(enabled);
318                         sfc_warn(sa, "Failed to %s %s mode",
319                                  ((enabled) ? "enable" : "disable"), desc);
320                 }
321         }
322
323         sfc_adapter_unlock(sa);
324 }
325
326 static void
327 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
328 {
329         sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
330 }
331
332 static void
333 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
334 {
335         sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
336 }
337
338 static void
339 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
340 {
341         sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
342 }
343
344 static void
345 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
346 {
347         sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
348 }
349
350 static int
351 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
352                    uint16_t nb_rx_desc, unsigned int socket_id,
353                    const struct rte_eth_rxconf *rx_conf,
354                    struct rte_mempool *mb_pool)
355 {
356         struct sfc_adapter *sa = dev->data->dev_private;
357         int rc;
358
359         sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
360                      rx_queue_id, nb_rx_desc, socket_id);
361
362         sfc_adapter_lock(sa);
363
364         rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
365                           rx_conf, mb_pool);
366         if (rc != 0)
367                 goto fail_rx_qinit;
368
369         dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq;
370
371         sfc_adapter_unlock(sa);
372
373         return 0;
374
375 fail_rx_qinit:
376         sfc_adapter_unlock(sa);
377         SFC_ASSERT(rc > 0);
378         return -rc;
379 }
380
381 static void
382 sfc_rx_queue_release(void *queue)
383 {
384         struct sfc_rxq *rxq = queue;
385         struct sfc_adapter *sa;
386         unsigned int sw_index;
387
388         if (rxq == NULL)
389                 return;
390
391         sa = rxq->evq->sa;
392         sfc_adapter_lock(sa);
393
394         sw_index = sfc_rxq_sw_index(rxq);
395
396         sfc_log_init(sa, "RxQ=%u", sw_index);
397
398         sa->eth_dev->data->rx_queues[sw_index] = NULL;
399
400         sfc_rx_qfini(sa, sw_index);
401
402         sfc_adapter_unlock(sa);
403 }
404
405 static int
406 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
407                    uint16_t nb_tx_desc, unsigned int socket_id,
408                    const struct rte_eth_txconf *tx_conf)
409 {
410         struct sfc_adapter *sa = dev->data->dev_private;
411         int rc;
412
413         sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
414                      tx_queue_id, nb_tx_desc, socket_id);
415
416         sfc_adapter_lock(sa);
417
418         rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
419         if (rc != 0)
420                 goto fail_tx_qinit;
421
422         dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq;
423
424         sfc_adapter_unlock(sa);
425         return 0;
426
427 fail_tx_qinit:
428         sfc_adapter_unlock(sa);
429         SFC_ASSERT(rc > 0);
430         return -rc;
431 }
432
433 static void
434 sfc_tx_queue_release(void *queue)
435 {
436         struct sfc_txq *txq = queue;
437         unsigned int sw_index;
438         struct sfc_adapter *sa;
439
440         if (txq == NULL)
441                 return;
442
443         sw_index = sfc_txq_sw_index(txq);
444
445         SFC_ASSERT(txq->evq != NULL);
446         sa = txq->evq->sa;
447
448         sfc_log_init(sa, "TxQ = %u", sw_index);
449
450         sfc_adapter_lock(sa);
451
452         SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
453         sa->eth_dev->data->tx_queues[sw_index] = NULL;
454
455         sfc_tx_qfini(sa, sw_index);
456
457         sfc_adapter_unlock(sa);
458 }
459
460 static void
461 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
462 {
463         struct sfc_adapter *sa = dev->data->dev_private;
464         struct sfc_port *port = &sa->port;
465         uint64_t *mac_stats;
466
467         rte_spinlock_lock(&port->mac_stats_lock);
468
469         if (sfc_port_update_mac_stats(sa) != 0)
470                 goto unlock;
471
472         mac_stats = port->mac_stats_buf;
473
474         if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
475                                    EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
476                 stats->ipackets =
477                         mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
478                         mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
479                         mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
480                 stats->opackets =
481                         mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
482                         mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
483                         mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
484                 stats->ibytes =
485                         mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
486                         mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
487                         mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
488                 stats->obytes =
489                         mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
490                         mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
491                         mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
492                 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
493                 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
494                 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
495         } else {
496                 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
497                 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
498                 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
499                 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
500                 /*
501                  * Take into account stats which are whenever supported
502                  * on EF10. If some stat is not supported by current
503                  * firmware variant or HW revision, it is guaranteed
504                  * to be zero in mac_stats.
505                  */
506                 stats->imissed =
507                         mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
508                         mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
509                         mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
510                         mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
511                         mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
512                         mac_stats[EFX_MAC_PM_TRUNC_QBB] +
513                         mac_stats[EFX_MAC_PM_DISCARD_QBB] +
514                         mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
515                         mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
516                         mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
517                 stats->ierrors =
518                         mac_stats[EFX_MAC_RX_FCS_ERRORS] +
519                         mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
520                         mac_stats[EFX_MAC_RX_JABBER_PKTS];
521                 /* no oerrors counters supported on EF10 */
522         }
523
524 unlock:
525         rte_spinlock_unlock(&port->mac_stats_lock);
526 }
527
528 static int
529 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
530                unsigned int xstats_count)
531 {
532         struct sfc_adapter *sa = dev->data->dev_private;
533         struct sfc_port *port = &sa->port;
534         uint64_t *mac_stats;
535         int rc;
536         unsigned int i;
537         int nstats = 0;
538
539         rte_spinlock_lock(&port->mac_stats_lock);
540
541         rc = sfc_port_update_mac_stats(sa);
542         if (rc != 0) {
543                 SFC_ASSERT(rc > 0);
544                 nstats = -rc;
545                 goto unlock;
546         }
547
548         mac_stats = port->mac_stats_buf;
549
550         for (i = 0; i < EFX_MAC_NSTATS; ++i) {
551                 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
552                         if (xstats != NULL && nstats < (int)xstats_count) {
553                                 xstats[nstats].id = nstats;
554                                 xstats[nstats].value = mac_stats[i];
555                         }
556                         nstats++;
557                 }
558         }
559
560 unlock:
561         rte_spinlock_unlock(&port->mac_stats_lock);
562
563         return nstats;
564 }
565
566 static int
567 sfc_xstats_get_names(struct rte_eth_dev *dev,
568                      struct rte_eth_xstat_name *xstats_names,
569                      unsigned int xstats_count)
570 {
571         struct sfc_adapter *sa = dev->data->dev_private;
572         struct sfc_port *port = &sa->port;
573         unsigned int i;
574         unsigned int nstats = 0;
575
576         for (i = 0; i < EFX_MAC_NSTATS; ++i) {
577                 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
578                         if (xstats_names != NULL && nstats < xstats_count)
579                                 strncpy(xstats_names[nstats].name,
580                                         efx_mac_stat_name(sa->nic, i),
581                                         sizeof(xstats_names[0].name));
582                         nstats++;
583                 }
584         }
585
586         return nstats;
587 }
588
589 static int
590 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
591 {
592         struct sfc_adapter *sa = dev->data->dev_private;
593         unsigned int wanted_fc, link_fc;
594
595         memset(fc_conf, 0, sizeof(*fc_conf));
596
597         sfc_adapter_lock(sa);
598
599         if (sa->state == SFC_ADAPTER_STARTED)
600                 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
601         else
602                 link_fc = sa->port.flow_ctrl;
603
604         switch (link_fc) {
605         case 0:
606                 fc_conf->mode = RTE_FC_NONE;
607                 break;
608         case EFX_FCNTL_RESPOND:
609                 fc_conf->mode = RTE_FC_RX_PAUSE;
610                 break;
611         case EFX_FCNTL_GENERATE:
612                 fc_conf->mode = RTE_FC_TX_PAUSE;
613                 break;
614         case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
615                 fc_conf->mode = RTE_FC_FULL;
616                 break;
617         default:
618                 sfc_err(sa, "%s: unexpected flow control value %#x",
619                         __func__, link_fc);
620         }
621
622         fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
623
624         sfc_adapter_unlock(sa);
625
626         return 0;
627 }
628
629 static int
630 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
631 {
632         struct sfc_adapter *sa = dev->data->dev_private;
633         struct sfc_port *port = &sa->port;
634         unsigned int fcntl;
635         int rc;
636
637         if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
638             fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
639             fc_conf->mac_ctrl_frame_fwd != 0) {
640                 sfc_err(sa, "unsupported flow control settings specified");
641                 rc = EINVAL;
642                 goto fail_inval;
643         }
644
645         switch (fc_conf->mode) {
646         case RTE_FC_NONE:
647                 fcntl = 0;
648                 break;
649         case RTE_FC_RX_PAUSE:
650                 fcntl = EFX_FCNTL_RESPOND;
651                 break;
652         case RTE_FC_TX_PAUSE:
653                 fcntl = EFX_FCNTL_GENERATE;
654                 break;
655         case RTE_FC_FULL:
656                 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
657                 break;
658         default:
659                 rc = EINVAL;
660                 goto fail_inval;
661         }
662
663         sfc_adapter_lock(sa);
664
665         if (sa->state == SFC_ADAPTER_STARTED) {
666                 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
667                 if (rc != 0)
668                         goto fail_mac_fcntl_set;
669         }
670
671         port->flow_ctrl = fcntl;
672         port->flow_ctrl_autoneg = fc_conf->autoneg;
673
674         sfc_adapter_unlock(sa);
675
676         return 0;
677
678 fail_mac_fcntl_set:
679         sfc_adapter_unlock(sa);
680 fail_inval:
681         SFC_ASSERT(rc > 0);
682         return -rc;
683 }
684
685 static int
686 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
687 {
688         struct sfc_adapter *sa = dev->data->dev_private;
689         size_t pdu = EFX_MAC_PDU(mtu);
690         size_t old_pdu;
691         int rc;
692
693         sfc_log_init(sa, "mtu=%u", mtu);
694
695         rc = EINVAL;
696         if (pdu < EFX_MAC_PDU_MIN) {
697                 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
698                         (unsigned int)mtu, (unsigned int)pdu,
699                         EFX_MAC_PDU_MIN);
700                 goto fail_inval;
701         }
702         if (pdu > EFX_MAC_PDU_MAX) {
703                 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
704                         (unsigned int)mtu, (unsigned int)pdu,
705                         EFX_MAC_PDU_MAX);
706                 goto fail_inval;
707         }
708
709         sfc_adapter_lock(sa);
710
711         if (pdu != sa->port.pdu) {
712                 if (sa->state == SFC_ADAPTER_STARTED) {
713                         sfc_stop(sa);
714
715                         old_pdu = sa->port.pdu;
716                         sa->port.pdu = pdu;
717                         rc = sfc_start(sa);
718                         if (rc != 0)
719                                 goto fail_start;
720                 } else {
721                         sa->port.pdu = pdu;
722                 }
723         }
724
725         /*
726          * The driver does not use it, but other PMDs update jumbo_frame
727          * flag and max_rx_pkt_len when MTU is set.
728          */
729         dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
730         dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
731
732         sfc_adapter_unlock(sa);
733
734         sfc_log_init(sa, "done");
735         return 0;
736
737 fail_start:
738         sa->port.pdu = old_pdu;
739         if (sfc_start(sa) != 0)
740                 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
741                         "PDU max size - port is stopped",
742                         (unsigned int)pdu, (unsigned int)old_pdu);
743         sfc_adapter_unlock(sa);
744
745 fail_inval:
746         sfc_log_init(sa, "failed %d", rc);
747         SFC_ASSERT(rc > 0);
748         return -rc;
749 }
750 static void
751 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
752 {
753         struct sfc_adapter *sa = dev->data->dev_private;
754         const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
755         int rc;
756
757         sfc_adapter_lock(sa);
758
759         if (sa->state != SFC_ADAPTER_STARTED) {
760                 sfc_info(sa, "the port is not started");
761                 sfc_info(sa, "the new MAC address will be set on port start");
762
763                 goto unlock;
764         }
765
766         if (encp->enc_allow_set_mac_with_installed_filters) {
767                 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
768                 if (rc != 0) {
769                         sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
770                         goto unlock;
771                 }
772
773                 /*
774                  * Changing the MAC address by means of MCDI request
775                  * has no effect on received traffic, therefore
776                  * we also need to update unicast filters
777                  */
778                 rc = sfc_set_rx_mode(sa);
779                 if (rc != 0)
780                         sfc_err(sa, "cannot set filter (rc = %u)", rc);
781         } else {
782                 sfc_warn(sa, "cannot set MAC address with filters installed");
783                 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
784                 sfc_warn(sa, "(some traffic may be dropped)");
785
786                 /*
787                  * Since setting MAC address with filters installed is not
788                  * allowed on the adapter, one needs to simply restart adapter
789                  * so that the new MAC address will be taken from an outer
790                  * storage and set flawlessly by means of sfc_start() call
791                  */
792                 sfc_stop(sa);
793                 rc = sfc_start(sa);
794                 if (rc != 0)
795                         sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
796         }
797
798 unlock:
799         sfc_adapter_unlock(sa);
800 }
801
802
803 static int
804 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
805                      uint32_t nb_mc_addr)
806 {
807         struct sfc_adapter *sa = dev->data->dev_private;
808         uint8_t *mc_addrs_p = NULL;
809         int rc;
810         unsigned int i;
811
812         if (nb_mc_addr > EFX_MAC_MULTICAST_LIST_MAX) {
813                 sfc_err(sa, "too many multicast addresses: %u > %u",
814                          nb_mc_addr, EFX_MAC_MULTICAST_LIST_MAX);
815                 return -EINVAL;
816         }
817
818         if (nb_mc_addr != 0) {
819                 uint8_t *mc_addrs;
820
821                 mc_addrs_p = rte_calloc("mc-addrs", nb_mc_addr,
822                                         EFX_MAC_ADDR_LEN, 0);
823                 if (mc_addrs_p == NULL)
824                         return -ENOMEM;
825
826                 mc_addrs = mc_addrs_p;
827                 for (i = 0; i < nb_mc_addr; ++i) {
828                         (void)rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
829                                          EFX_MAC_ADDR_LEN);
830                         mc_addrs += EFX_MAC_ADDR_LEN;
831                 }
832         }
833
834         rc = efx_mac_multicast_list_set(sa->nic, mc_addrs_p, nb_mc_addr);
835
836         rte_free(mc_addrs_p);
837
838         if (rc != 0)
839                 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
840
841         SFC_ASSERT(rc > 0);
842         return -rc;
843 }
844
845 static void
846 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
847                       struct rte_eth_rxq_info *qinfo)
848 {
849         struct sfc_adapter *sa = dev->data->dev_private;
850         struct sfc_rxq_info *rxq_info;
851         struct sfc_rxq *rxq;
852
853         sfc_adapter_lock(sa);
854
855         SFC_ASSERT(rx_queue_id < sa->rxq_count);
856
857         rxq_info = &sa->rxq_info[rx_queue_id];
858         rxq = rxq_info->rxq;
859         SFC_ASSERT(rxq != NULL);
860
861         qinfo->mp = rxq->refill_mb_pool;
862         qinfo->conf.rx_free_thresh = rxq->refill_threshold;
863         qinfo->conf.rx_drop_en = 1;
864         qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
865         qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER);
866         qinfo->nb_desc = rxq_info->entries;
867
868         sfc_adapter_unlock(sa);
869 }
870
871 static void
872 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
873                       struct rte_eth_txq_info *qinfo)
874 {
875         struct sfc_adapter *sa = dev->data->dev_private;
876         struct sfc_txq_info *txq_info;
877
878         sfc_adapter_lock(sa);
879
880         SFC_ASSERT(tx_queue_id < sa->txq_count);
881
882         txq_info = &sa->txq_info[tx_queue_id];
883         SFC_ASSERT(txq_info->txq != NULL);
884
885         memset(qinfo, 0, sizeof(*qinfo));
886
887         qinfo->conf.txq_flags = txq_info->txq->flags;
888         qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
889         qinfo->conf.tx_deferred_start = txq_info->deferred_start;
890         qinfo->nb_desc = txq_info->entries;
891
892         sfc_adapter_unlock(sa);
893 }
894
895 static uint32_t
896 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
897 {
898         struct sfc_adapter *sa = dev->data->dev_private;
899
900         sfc_log_init(sa, "RxQ=%u", rx_queue_id);
901
902         return sfc_rx_qdesc_npending(sa, rx_queue_id);
903 }
904
905 static int
906 sfc_rx_descriptor_done(void *queue, uint16_t offset)
907 {
908         struct sfc_rxq *rxq = queue;
909
910         return sfc_rx_qdesc_done(rxq, offset);
911 }
912
913 static int
914 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
915 {
916         struct sfc_adapter *sa = dev->data->dev_private;
917         int rc;
918
919         sfc_log_init(sa, "RxQ=%u", rx_queue_id);
920
921         sfc_adapter_lock(sa);
922
923         rc = EINVAL;
924         if (sa->state != SFC_ADAPTER_STARTED)
925                 goto fail_not_started;
926
927         rc = sfc_rx_qstart(sa, rx_queue_id);
928         if (rc != 0)
929                 goto fail_rx_qstart;
930
931         sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
932
933         sfc_adapter_unlock(sa);
934
935         return 0;
936
937 fail_rx_qstart:
938 fail_not_started:
939         sfc_adapter_unlock(sa);
940         SFC_ASSERT(rc > 0);
941         return -rc;
942 }
943
944 static int
945 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
946 {
947         struct sfc_adapter *sa = dev->data->dev_private;
948
949         sfc_log_init(sa, "RxQ=%u", rx_queue_id);
950
951         sfc_adapter_lock(sa);
952         sfc_rx_qstop(sa, rx_queue_id);
953
954         sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
955
956         sfc_adapter_unlock(sa);
957
958         return 0;
959 }
960
961 static int
962 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
963 {
964         struct sfc_adapter *sa = dev->data->dev_private;
965         int rc;
966
967         sfc_log_init(sa, "TxQ = %u", tx_queue_id);
968
969         sfc_adapter_lock(sa);
970
971         rc = EINVAL;
972         if (sa->state != SFC_ADAPTER_STARTED)
973                 goto fail_not_started;
974
975         rc = sfc_tx_qstart(sa, tx_queue_id);
976         if (rc != 0)
977                 goto fail_tx_qstart;
978
979         sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
980
981         sfc_adapter_unlock(sa);
982         return 0;
983
984 fail_tx_qstart:
985
986 fail_not_started:
987         sfc_adapter_unlock(sa);
988         SFC_ASSERT(rc > 0);
989         return -rc;
990 }
991
992 static int
993 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
994 {
995         struct sfc_adapter *sa = dev->data->dev_private;
996
997         sfc_log_init(sa, "TxQ = %u", tx_queue_id);
998
999         sfc_adapter_lock(sa);
1000
1001         sfc_tx_qstop(sa, tx_queue_id);
1002
1003         sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1004
1005         sfc_adapter_unlock(sa);
1006         return 0;
1007 }
1008
1009 #if EFSYS_OPT_RX_SCALE
1010 static int
1011 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1012                           struct rte_eth_rss_conf *rss_conf)
1013 {
1014         struct sfc_adapter *sa = dev->data->dev_private;
1015
1016         if ((sa->rss_channels == 1) ||
1017             (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE))
1018                 return -ENOTSUP;
1019
1020         sfc_adapter_lock(sa);
1021
1022         /*
1023          * Mapping of hash configuration between RTE and EFX is not one-to-one,
1024          * hence, conversion is done here to derive a correct set of ETH_RSS
1025          * flags which corresponds to the active EFX configuration stored
1026          * locally in 'sfc_adapter' and kept up-to-date
1027          */
1028         rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1029         rss_conf->rss_key_len = SFC_RSS_KEY_SIZE;
1030         if (rss_conf->rss_key != NULL)
1031                 rte_memcpy(rss_conf->rss_key, sa->rss_key, SFC_RSS_KEY_SIZE);
1032
1033         sfc_adapter_unlock(sa);
1034
1035         return 0;
1036 }
1037
1038 static int
1039 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1040                         struct rte_eth_rss_conf *rss_conf)
1041 {
1042         struct sfc_adapter *sa = dev->data->dev_private;
1043         unsigned int efx_hash_types;
1044         int rc = 0;
1045
1046         if ((sa->rss_channels == 1) ||
1047             (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
1048                 sfc_err(sa, "RSS is not available");
1049                 return -ENOTSUP;
1050         }
1051
1052         if ((rss_conf->rss_key != NULL) &&
1053             (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1054                 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1055                         sizeof(sa->rss_key));
1056                 return -EINVAL;
1057         }
1058
1059         if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1060                 sfc_err(sa, "unsupported hash functions requested");
1061                 return -EINVAL;
1062         }
1063
1064         sfc_adapter_lock(sa);
1065
1066         efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1067
1068         rc = efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
1069                                    efx_hash_types, B_TRUE);
1070         if (rc != 0)
1071                 goto fail_scale_mode_set;
1072
1073         if (rss_conf->rss_key != NULL) {
1074                 if (sa->state == SFC_ADAPTER_STARTED) {
1075                         rc = efx_rx_scale_key_set(sa->nic, rss_conf->rss_key,
1076                                                   sizeof(sa->rss_key));
1077                         if (rc != 0)
1078                                 goto fail_scale_key_set;
1079                 }
1080
1081                 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1082         }
1083
1084         sa->rss_hash_types = efx_hash_types;
1085
1086         sfc_adapter_unlock(sa);
1087
1088         return 0;
1089
1090 fail_scale_key_set:
1091         if (efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
1092                                   sa->rss_hash_types, B_TRUE) != 0)
1093                 sfc_err(sa, "failed to restore RSS mode");
1094
1095 fail_scale_mode_set:
1096         sfc_adapter_unlock(sa);
1097         return -rc;
1098 }
1099
1100 static int
1101 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1102                        struct rte_eth_rss_reta_entry64 *reta_conf,
1103                        uint16_t reta_size)
1104 {
1105         struct sfc_adapter *sa = dev->data->dev_private;
1106         int entry;
1107
1108         if ((sa->rss_channels == 1) ||
1109             (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE))
1110                 return -ENOTSUP;
1111
1112         if (reta_size != EFX_RSS_TBL_SIZE)
1113                 return -EINVAL;
1114
1115         sfc_adapter_lock(sa);
1116
1117         for (entry = 0; entry < reta_size; entry++) {
1118                 int grp = entry / RTE_RETA_GROUP_SIZE;
1119                 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1120
1121                 if ((reta_conf[grp].mask >> grp_idx) & 1)
1122                         reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1123         }
1124
1125         sfc_adapter_unlock(sa);
1126
1127         return 0;
1128 }
1129
1130 static int
1131 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1132                         struct rte_eth_rss_reta_entry64 *reta_conf,
1133                         uint16_t reta_size)
1134 {
1135         struct sfc_adapter *sa = dev->data->dev_private;
1136         unsigned int *rss_tbl_new;
1137         uint16_t entry;
1138         int rc;
1139
1140
1141         if ((sa->rss_channels == 1) ||
1142             (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
1143                 sfc_err(sa, "RSS is not available");
1144                 return -ENOTSUP;
1145         }
1146
1147         if (reta_size != EFX_RSS_TBL_SIZE) {
1148                 sfc_err(sa, "RETA size is wrong (should be %u)",
1149                         EFX_RSS_TBL_SIZE);
1150                 return -EINVAL;
1151         }
1152
1153         rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1154         if (rss_tbl_new == NULL)
1155                 return -ENOMEM;
1156
1157         sfc_adapter_lock(sa);
1158
1159         rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1160
1161         for (entry = 0; entry < reta_size; entry++) {
1162                 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1163                 struct rte_eth_rss_reta_entry64 *grp;
1164
1165                 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1166
1167                 if (grp->mask & (1ull << grp_idx)) {
1168                         if (grp->reta[grp_idx] >= sa->rss_channels) {
1169                                 rc = EINVAL;
1170                                 goto bad_reta_entry;
1171                         }
1172                         rss_tbl_new[entry] = grp->reta[grp_idx];
1173                 }
1174         }
1175
1176         rc = efx_rx_scale_tbl_set(sa->nic, rss_tbl_new, EFX_RSS_TBL_SIZE);
1177         if (rc == 0)
1178                 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1179
1180 bad_reta_entry:
1181         sfc_adapter_unlock(sa);
1182
1183         rte_free(rss_tbl_new);
1184
1185         SFC_ASSERT(rc >= 0);
1186         return -rc;
1187 }
1188 #endif
1189
1190 static const struct eth_dev_ops sfc_eth_dev_ops = {
1191         .dev_configure                  = sfc_dev_configure,
1192         .dev_start                      = sfc_dev_start,
1193         .dev_stop                       = sfc_dev_stop,
1194         .dev_set_link_up                = sfc_dev_set_link_up,
1195         .dev_set_link_down              = sfc_dev_set_link_down,
1196         .dev_close                      = sfc_dev_close,
1197         .promiscuous_enable             = sfc_dev_promisc_enable,
1198         .promiscuous_disable            = sfc_dev_promisc_disable,
1199         .allmulticast_enable            = sfc_dev_allmulti_enable,
1200         .allmulticast_disable           = sfc_dev_allmulti_disable,
1201         .link_update                    = sfc_dev_link_update,
1202         .stats_get                      = sfc_stats_get,
1203         .xstats_get                     = sfc_xstats_get,
1204         .xstats_get_names               = sfc_xstats_get_names,
1205         .dev_infos_get                  = sfc_dev_infos_get,
1206         .dev_supported_ptypes_get       = sfc_dev_supported_ptypes_get,
1207         .mtu_set                        = sfc_dev_set_mtu,
1208         .rx_queue_start                 = sfc_rx_queue_start,
1209         .rx_queue_stop                  = sfc_rx_queue_stop,
1210         .tx_queue_start                 = sfc_tx_queue_start,
1211         .tx_queue_stop                  = sfc_tx_queue_stop,
1212         .rx_queue_setup                 = sfc_rx_queue_setup,
1213         .rx_queue_release               = sfc_rx_queue_release,
1214         .rx_queue_count                 = sfc_rx_queue_count,
1215         .rx_descriptor_done             = sfc_rx_descriptor_done,
1216         .tx_queue_setup                 = sfc_tx_queue_setup,
1217         .tx_queue_release               = sfc_tx_queue_release,
1218         .flow_ctrl_get                  = sfc_flow_ctrl_get,
1219         .flow_ctrl_set                  = sfc_flow_ctrl_set,
1220         .mac_addr_set                   = sfc_mac_addr_set,
1221 #if EFSYS_OPT_RX_SCALE
1222         .reta_update                    = sfc_dev_rss_reta_update,
1223         .reta_query                     = sfc_dev_rss_reta_query,
1224         .rss_hash_update                = sfc_dev_rss_hash_update,
1225         .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
1226 #endif
1227         .set_mc_addr_list               = sfc_set_mc_addr_list,
1228         .rxq_info_get                   = sfc_rx_queue_info_get,
1229         .txq_info_get                   = sfc_tx_queue_info_get,
1230 };
1231
1232 static int
1233 sfc_eth_dev_init(struct rte_eth_dev *dev)
1234 {
1235         struct sfc_adapter *sa = dev->data->dev_private;
1236         struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(dev);
1237         int rc;
1238         const efx_nic_cfg_t *encp;
1239         const struct ether_addr *from;
1240
1241         /* Required for logging */
1242         sa->eth_dev = dev;
1243
1244         /* Copy PCI device info to the dev->data */
1245         rte_eth_copy_pci_info(dev, pci_dev);
1246
1247         rc = sfc_kvargs_parse(sa);
1248         if (rc != 0)
1249                 goto fail_kvargs_parse;
1250
1251         rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
1252                                 sfc_kvarg_bool_handler, &sa->debug_init);
1253         if (rc != 0)
1254                 goto fail_kvarg_debug_init;
1255
1256         sfc_log_init(sa, "entry");
1257
1258         dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1259         if (dev->data->mac_addrs == NULL) {
1260                 rc = ENOMEM;
1261                 goto fail_mac_addrs;
1262         }
1263
1264         sfc_adapter_lock_init(sa);
1265         sfc_adapter_lock(sa);
1266
1267         sfc_log_init(sa, "attaching");
1268         rc = sfc_attach(sa);
1269         if (rc != 0)
1270                 goto fail_attach;
1271
1272         encp = efx_nic_cfg_get(sa->nic);
1273
1274         /*
1275          * The arguments are really reverse order in comparison to
1276          * Linux kernel. Copy from NIC config to Ethernet device data.
1277          */
1278         from = (const struct ether_addr *)(encp->enc_mac_addr);
1279         ether_addr_copy(from, &dev->data->mac_addrs[0]);
1280
1281         dev->dev_ops = &sfc_eth_dev_ops;
1282         dev->rx_pkt_burst = &sfc_recv_pkts;
1283         dev->tx_pkt_burst = &sfc_xmit_pkts;
1284
1285         sfc_adapter_unlock(sa);
1286
1287         sfc_log_init(sa, "done");
1288         return 0;
1289
1290 fail_attach:
1291         sfc_adapter_unlock(sa);
1292         sfc_adapter_lock_fini(sa);
1293         rte_free(dev->data->mac_addrs);
1294         dev->data->mac_addrs = NULL;
1295
1296 fail_mac_addrs:
1297 fail_kvarg_debug_init:
1298         sfc_kvargs_cleanup(sa);
1299
1300 fail_kvargs_parse:
1301         sfc_log_init(sa, "failed %d", rc);
1302         SFC_ASSERT(rc > 0);
1303         return -rc;
1304 }
1305
1306 static int
1307 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
1308 {
1309         struct sfc_adapter *sa = dev->data->dev_private;
1310
1311         sfc_log_init(sa, "entry");
1312
1313         sfc_adapter_lock(sa);
1314
1315         sfc_detach(sa);
1316
1317         rte_free(dev->data->mac_addrs);
1318         dev->data->mac_addrs = NULL;
1319
1320         dev->dev_ops = NULL;
1321         dev->rx_pkt_burst = NULL;
1322         dev->tx_pkt_burst = NULL;
1323
1324         sfc_kvargs_cleanup(sa);
1325
1326         sfc_adapter_unlock(sa);
1327         sfc_adapter_lock_fini(sa);
1328
1329         sfc_log_init(sa, "done");
1330
1331         /* Required for logging, so cleanup last */
1332         sa->eth_dev = NULL;
1333         return 0;
1334 }
1335
1336 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
1337         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
1338         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
1339         { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
1340         { .vendor_id = 0 /* sentinel */ }
1341 };
1342
1343 static struct eth_driver sfc_efx_pmd = {
1344         .pci_drv = {
1345                 .id_table = pci_id_sfc_efx_map,
1346                 .drv_flags =
1347                         RTE_PCI_DRV_INTR_LSC |
1348                         RTE_PCI_DRV_NEED_MAPPING,
1349                 .probe = rte_eth_dev_pci_probe,
1350                 .remove = rte_eth_dev_pci_remove,
1351         },
1352         .eth_dev_init = sfc_eth_dev_init,
1353         .eth_dev_uninit = sfc_eth_dev_uninit,
1354         .dev_private_size = sizeof(struct sfc_adapter),
1355 };
1356
1357 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd.pci_drv);
1358 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
1359 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio");
1360 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
1361         SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
1362         SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
1363         SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);