xref: /dpdk/drivers/net/bnx2x/bnx2x_ethdev.c (revision 7f12dfdc)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
3  * Copyright (c) 2015-2018 Cavium Inc.
4  * All rights reserved.
5  * www.cavium.com
6  */
7 
8 #include "bnx2x.h"
9 #include "bnx2x_rxtx.h"
10 
11 #include <rte_string_fns.h>
12 #include <rte_dev.h>
13 #include <rte_ethdev_pci.h>
14 #include <rte_alarm.h>
15 
16 int bnx2x_logtype_init;
17 int bnx2x_logtype_driver;
18 
19 /*
20  * The set of PCI devices this driver supports
21  */
22 #define BROADCOM_PCI_VENDOR_ID 0x14E4
23 static const struct rte_pci_id pci_id_bnx2x_map[] = {
24 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57800) },
25 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57711) },
26 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57810) },
27 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57811) },
28 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57840_OBS) },
29 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57840_4_10) },
30 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57840_2_20) },
31 #ifdef RTE_LIBRTE_BNX2X_MF_SUPPORT
32 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57810_MF) },
33 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57811_MF) },
34 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57840_MF) },
35 #endif
36 	{ .vendor_id = 0, }
37 };
38 
39 static const struct rte_pci_id pci_id_bnx2xvf_map[] = {
40 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57800_VF) },
41 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57810_VF) },
42 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57811_VF) },
43 	{ RTE_PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, CHIP_NUM_57840_VF) },
44 	{ .vendor_id = 0, }
45 };
46 
47 struct rte_bnx2x_xstats_name_off {
48 	char name[RTE_ETH_XSTATS_NAME_SIZE];
49 	uint32_t offset_hi;
50 	uint32_t offset_lo;
51 };
52 
53 static const struct rte_bnx2x_xstats_name_off bnx2x_xstats_strings[] = {
54 	{"rx_buffer_drops",
55 		offsetof(struct bnx2x_eth_stats, brb_drop_hi),
56 		offsetof(struct bnx2x_eth_stats, brb_drop_lo)},
57 	{"rx_buffer_truncates",
58 		offsetof(struct bnx2x_eth_stats, brb_truncate_hi),
59 		offsetof(struct bnx2x_eth_stats, brb_truncate_lo)},
60 	{"rx_buffer_truncate_discard",
61 		offsetof(struct bnx2x_eth_stats, brb_truncate_discard),
62 		offsetof(struct bnx2x_eth_stats, brb_truncate_discard)},
63 	{"mac_filter_discard",
64 		offsetof(struct bnx2x_eth_stats, mac_filter_discard),
65 		offsetof(struct bnx2x_eth_stats, mac_filter_discard)},
66 	{"no_match_vlan_tag_discard",
67 		offsetof(struct bnx2x_eth_stats, mf_tag_discard),
68 		offsetof(struct bnx2x_eth_stats, mf_tag_discard)},
69 	{"tx_pause",
70 		offsetof(struct bnx2x_eth_stats, pause_frames_sent_hi),
71 		offsetof(struct bnx2x_eth_stats, pause_frames_sent_lo)},
72 	{"rx_pause",
73 		offsetof(struct bnx2x_eth_stats, pause_frames_received_hi),
74 		offsetof(struct bnx2x_eth_stats, pause_frames_received_lo)},
75 	{"tx_priority_flow_control",
76 		offsetof(struct bnx2x_eth_stats, pfc_frames_sent_hi),
77 		offsetof(struct bnx2x_eth_stats, pfc_frames_sent_lo)},
78 	{"rx_priority_flow_control",
79 		offsetof(struct bnx2x_eth_stats, pfc_frames_received_hi),
80 		offsetof(struct bnx2x_eth_stats, pfc_frames_received_lo)}
81 };
82 
83 static int
84 bnx2x_link_update(struct rte_eth_dev *dev)
85 {
86 	struct bnx2x_softc *sc = dev->data->dev_private;
87 	struct rte_eth_link link;
88 
89 	PMD_INIT_FUNC_TRACE(sc);
90 
91 	memset(&link, 0, sizeof(link));
92 	mb();
93 	link.link_speed = sc->link_vars.line_speed;
94 	switch (sc->link_vars.duplex) {
95 		case DUPLEX_FULL:
96 			link.link_duplex = ETH_LINK_FULL_DUPLEX;
97 			break;
98 		case DUPLEX_HALF:
99 			link.link_duplex = ETH_LINK_HALF_DUPLEX;
100 			break;
101 	}
102 	link.link_autoneg = !(dev->data->dev_conf.link_speeds &
103 			ETH_LINK_SPEED_FIXED);
104 	link.link_status = sc->link_vars.link_up;
105 
106 	return rte_eth_linkstatus_set(dev, &link);
107 }
108 
109 static void
110 bnx2x_interrupt_action(struct rte_eth_dev *dev, int intr_cxt)
111 {
112 	struct bnx2x_softc *sc = dev->data->dev_private;
113 	uint32_t link_status;
114 
115 	bnx2x_intr_legacy(sc);
116 
117 	if ((atomic_load_acq_long(&sc->periodic_flags) == PERIODIC_GO) &&
118 	    !intr_cxt)
119 		bnx2x_periodic_callout(sc);
120 	link_status = REG_RD(sc, sc->link_params.shmem_base +
121 			offsetof(struct shmem_region,
122 				port_mb[sc->link_params.port].link_status));
123 	if ((link_status & LINK_STATUS_LINK_UP) != dev->data->dev_link.link_status)
124 		bnx2x_link_update(dev);
125 }
126 
127 static void
128 bnx2x_interrupt_handler(void *param)
129 {
130 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
131 	struct bnx2x_softc *sc = dev->data->dev_private;
132 
133 	PMD_DEBUG_PERIODIC_LOG(INFO, sc, "Interrupt handled");
134 
135 	bnx2x_interrupt_action(dev, 1);
136 	rte_intr_ack(&sc->pci_dev->intr_handle);
137 }
138 
139 static void bnx2x_periodic_start(void *param)
140 {
141 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
142 	struct bnx2x_softc *sc = dev->data->dev_private;
143 	int ret = 0;
144 
145 	atomic_store_rel_long(&sc->periodic_flags, PERIODIC_GO);
146 	bnx2x_interrupt_action(dev, 0);
147 	if (IS_PF(sc)) {
148 		ret = rte_eal_alarm_set(BNX2X_SP_TIMER_PERIOD,
149 					bnx2x_periodic_start, (void *)dev);
150 		if (ret) {
151 			PMD_DRV_LOG(ERR, sc, "Unable to start periodic"
152 					     " timer rc %d", ret);
153 		}
154 	}
155 }
156 
157 void bnx2x_periodic_stop(void *param)
158 {
159 	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
160 	struct bnx2x_softc *sc = dev->data->dev_private;
161 
162 	atomic_store_rel_long(&sc->periodic_flags, PERIODIC_STOP);
163 
164 	rte_eal_alarm_cancel(bnx2x_periodic_start, (void *)dev);
165 
166 	PMD_DRV_LOG(DEBUG, sc, "Periodic poll stopped");
167 }
168 
169 /*
170  * Devops - helper functions can be called from user application
171  */
172 
173 static int
174 bnx2x_dev_configure(struct rte_eth_dev *dev)
175 {
176 	struct bnx2x_softc *sc = dev->data->dev_private;
177 	struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
178 
179 	int mp_ncpus = sysconf(_SC_NPROCESSORS_CONF);
180 
181 	PMD_INIT_FUNC_TRACE(sc);
182 
183 	if (rxmode->offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
184 		sc->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len;
185 		dev->data->mtu = sc->mtu;
186 	}
187 
188 	if (dev->data->nb_tx_queues > dev->data->nb_rx_queues) {
189 		PMD_DRV_LOG(ERR, sc, "The number of TX queues is greater than number of RX queues");
190 		return -EINVAL;
191 	}
192 
193 	sc->num_queues = MAX(dev->data->nb_rx_queues, dev->data->nb_tx_queues);
194 	if (sc->num_queues > mp_ncpus) {
195 		PMD_DRV_LOG(ERR, sc, "The number of queues is more than number of CPUs");
196 		return -EINVAL;
197 	}
198 
199 	PMD_DRV_LOG(DEBUG, sc, "num_queues=%d, mtu=%d",
200 		       sc->num_queues, sc->mtu);
201 
202 	/* allocate ilt */
203 	if (bnx2x_alloc_ilt_mem(sc) != 0) {
204 		PMD_DRV_LOG(ERR, sc, "bnx2x_alloc_ilt_mem was failed");
205 		return -ENXIO;
206 	}
207 
208 	bnx2x_dev_rxtx_init_dummy(dev);
209 	return 0;
210 }
211 
212 static int
213 bnx2x_dev_start(struct rte_eth_dev *dev)
214 {
215 	struct bnx2x_softc *sc = dev->data->dev_private;
216 	int ret = 0;
217 
218 	PMD_INIT_FUNC_TRACE(sc);
219 
220 	/* start the periodic callout */
221 	if (IS_PF(sc)) {
222 		if (atomic_load_acq_long(&sc->periodic_flags) ==
223 		    PERIODIC_STOP) {
224 			bnx2x_periodic_start(dev);
225 			PMD_DRV_LOG(DEBUG, sc, "Periodic poll re-started");
226 		}
227 	}
228 
229 	ret = bnx2x_init(sc);
230 	if (ret) {
231 		PMD_DRV_LOG(DEBUG, sc, "bnx2x_init failed (%d)", ret);
232 		return -1;
233 	}
234 
235 	if (IS_PF(sc)) {
236 		rte_intr_callback_register(&sc->pci_dev->intr_handle,
237 				bnx2x_interrupt_handler, (void *)dev);
238 
239 		if (rte_intr_enable(&sc->pci_dev->intr_handle))
240 			PMD_DRV_LOG(ERR, sc, "rte_intr_enable failed");
241 	}
242 
243 	bnx2x_dev_rxtx_init(dev);
244 
245 	bnx2x_print_device_info(sc);
246 
247 	return ret;
248 }
249 
250 static void
251 bnx2x_dev_stop(struct rte_eth_dev *dev)
252 {
253 	struct bnx2x_softc *sc = dev->data->dev_private;
254 	int ret = 0;
255 
256 	PMD_INIT_FUNC_TRACE(sc);
257 
258 	bnx2x_dev_rxtx_init_dummy(dev);
259 
260 	if (IS_PF(sc)) {
261 		rte_intr_disable(&sc->pci_dev->intr_handle);
262 		rte_intr_callback_unregister(&sc->pci_dev->intr_handle,
263 				bnx2x_interrupt_handler, (void *)dev);
264 
265 		/* stop the periodic callout */
266 		bnx2x_periodic_stop(dev);
267 	}
268 
269 	ret = bnx2x_nic_unload(sc, UNLOAD_NORMAL, FALSE);
270 	if (ret) {
271 		PMD_DRV_LOG(DEBUG, sc, "bnx2x_nic_unload failed (%d)", ret);
272 		return;
273 	}
274 
275 	return;
276 }
277 
278 static void
279 bnx2x_dev_close(struct rte_eth_dev *dev)
280 {
281 	struct bnx2x_softc *sc = dev->data->dev_private;
282 
283 	PMD_INIT_FUNC_TRACE(sc);
284 
285 	if (IS_VF(sc))
286 		bnx2x_vf_close(sc);
287 
288 	bnx2x_dev_clear_queues(dev);
289 	memset(&(dev->data->dev_link), 0 , sizeof(struct rte_eth_link));
290 
291 	/* free ilt */
292 	bnx2x_free_ilt_mem(sc);
293 }
294 
295 static void
296 bnx2x_promisc_enable(struct rte_eth_dev *dev)
297 {
298 	struct bnx2x_softc *sc = dev->data->dev_private;
299 
300 	PMD_INIT_FUNC_TRACE(sc);
301 	sc->rx_mode = BNX2X_RX_MODE_PROMISC;
302 	if (rte_eth_allmulticast_get(dev->data->port_id) == 1)
303 		sc->rx_mode = BNX2X_RX_MODE_ALLMULTI_PROMISC;
304 	bnx2x_set_rx_mode(sc);
305 }
306 
307 static void
308 bnx2x_promisc_disable(struct rte_eth_dev *dev)
309 {
310 	struct bnx2x_softc *sc = dev->data->dev_private;
311 
312 	PMD_INIT_FUNC_TRACE(sc);
313 	sc->rx_mode = BNX2X_RX_MODE_NORMAL;
314 	if (rte_eth_allmulticast_get(dev->data->port_id) == 1)
315 		sc->rx_mode = BNX2X_RX_MODE_ALLMULTI;
316 	bnx2x_set_rx_mode(sc);
317 }
318 
319 static void
320 bnx2x_dev_allmulticast_enable(struct rte_eth_dev *dev)
321 {
322 	struct bnx2x_softc *sc = dev->data->dev_private;
323 
324 	PMD_INIT_FUNC_TRACE(sc);
325 	sc->rx_mode = BNX2X_RX_MODE_ALLMULTI;
326 	if (rte_eth_promiscuous_get(dev->data->port_id) == 1)
327 		sc->rx_mode = BNX2X_RX_MODE_ALLMULTI_PROMISC;
328 	bnx2x_set_rx_mode(sc);
329 }
330 
331 static void
332 bnx2x_dev_allmulticast_disable(struct rte_eth_dev *dev)
333 {
334 	struct bnx2x_softc *sc = dev->data->dev_private;
335 
336 	PMD_INIT_FUNC_TRACE(sc);
337 	sc->rx_mode = BNX2X_RX_MODE_NORMAL;
338 	if (rte_eth_promiscuous_get(dev->data->port_id) == 1)
339 		sc->rx_mode = BNX2X_RX_MODE_PROMISC;
340 	bnx2x_set_rx_mode(sc);
341 }
342 
343 static int
344 bnx2x_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complete)
345 {
346 	struct bnx2x_softc *sc = dev->data->dev_private;
347 
348 	PMD_INIT_FUNC_TRACE(sc);
349 
350 	return bnx2x_link_update(dev);
351 }
352 
353 static int
354 bnx2xvf_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complete)
355 {
356 	struct bnx2x_softc *sc = dev->data->dev_private;
357 	int ret = 0;
358 
359 	ret = bnx2x_link_update(dev);
360 
361 	bnx2x_check_bull(sc);
362 	if (sc->old_bulletin.valid_bitmap & (1 << CHANNEL_DOWN)) {
363 		PMD_DRV_LOG(ERR, sc, "PF indicated channel is down."
364 				"VF device is no longer operational");
365 		dev->data->dev_link.link_status = ETH_LINK_DOWN;
366 	}
367 
368 	return ret;
369 }
370 
371 static int
372 bnx2x_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
373 {
374 	struct bnx2x_softc *sc = dev->data->dev_private;
375 	uint32_t brb_truncate_discard;
376 	uint64_t brb_drops;
377 	uint64_t brb_truncates;
378 
379 	PMD_INIT_FUNC_TRACE(sc);
380 
381 	bnx2x_stats_handle(sc, STATS_EVENT_UPDATE);
382 
383 	memset(stats, 0, sizeof (struct rte_eth_stats));
384 
385 	stats->ipackets =
386 		HILO_U64(sc->eth_stats.total_unicast_packets_received_hi,
387 				sc->eth_stats.total_unicast_packets_received_lo) +
388 		HILO_U64(sc->eth_stats.total_multicast_packets_received_hi,
389 				sc->eth_stats.total_multicast_packets_received_lo) +
390 		HILO_U64(sc->eth_stats.total_broadcast_packets_received_hi,
391 				sc->eth_stats.total_broadcast_packets_received_lo);
392 
393 	stats->opackets =
394 		HILO_U64(sc->eth_stats.total_unicast_packets_transmitted_hi,
395 				sc->eth_stats.total_unicast_packets_transmitted_lo) +
396 		HILO_U64(sc->eth_stats.total_multicast_packets_transmitted_hi,
397 				sc->eth_stats.total_multicast_packets_transmitted_lo) +
398 		HILO_U64(sc->eth_stats.total_broadcast_packets_transmitted_hi,
399 				sc->eth_stats.total_broadcast_packets_transmitted_lo);
400 
401 	stats->ibytes =
402 		HILO_U64(sc->eth_stats.total_bytes_received_hi,
403 				sc->eth_stats.total_bytes_received_lo);
404 
405 	stats->obytes =
406 		HILO_U64(sc->eth_stats.total_bytes_transmitted_hi,
407 				sc->eth_stats.total_bytes_transmitted_lo);
408 
409 	stats->ierrors =
410 		HILO_U64(sc->eth_stats.error_bytes_received_hi,
411 				sc->eth_stats.error_bytes_received_lo);
412 
413 	stats->oerrors = 0;
414 
415 	stats->rx_nombuf =
416 		HILO_U64(sc->eth_stats.no_buff_discard_hi,
417 				sc->eth_stats.no_buff_discard_lo);
418 
419 	brb_drops =
420 		HILO_U64(sc->eth_stats.brb_drop_hi,
421 			 sc->eth_stats.brb_drop_lo);
422 
423 	brb_truncates =
424 		HILO_U64(sc->eth_stats.brb_truncate_hi,
425 			 sc->eth_stats.brb_truncate_lo);
426 
427 	brb_truncate_discard = sc->eth_stats.brb_truncate_discard;
428 
429 	stats->imissed = brb_drops + brb_truncates +
430 			 brb_truncate_discard + stats->rx_nombuf;
431 
432 	return 0;
433 }
434 
435 static int
436 bnx2x_get_xstats_names(__rte_unused struct rte_eth_dev *dev,
437 		       struct rte_eth_xstat_name *xstats_names,
438 		       __rte_unused unsigned limit)
439 {
440 	unsigned int i, stat_cnt = RTE_DIM(bnx2x_xstats_strings);
441 
442 	if (xstats_names != NULL)
443 		for (i = 0; i < stat_cnt; i++)
444 			strlcpy(xstats_names[i].name,
445 				bnx2x_xstats_strings[i].name,
446 				sizeof(xstats_names[i].name));
447 
448 	return stat_cnt;
449 }
450 
451 static int
452 bnx2x_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
453 		     unsigned int n)
454 {
455 	struct bnx2x_softc *sc = dev->data->dev_private;
456 	unsigned int num = RTE_DIM(bnx2x_xstats_strings);
457 
458 	if (n < num)
459 		return num;
460 
461 	bnx2x_stats_handle(sc, STATS_EVENT_UPDATE);
462 
463 	for (num = 0; num < n; num++) {
464 		if (bnx2x_xstats_strings[num].offset_hi !=
465 		    bnx2x_xstats_strings[num].offset_lo)
466 			xstats[num].value = HILO_U64(
467 					  *(uint32_t *)((char *)&sc->eth_stats +
468 					  bnx2x_xstats_strings[num].offset_hi),
469 					  *(uint32_t *)((char *)&sc->eth_stats +
470 					  bnx2x_xstats_strings[num].offset_lo));
471 		else
472 			xstats[num].value =
473 					  *(uint64_t *)((char *)&sc->eth_stats +
474 					  bnx2x_xstats_strings[num].offset_lo);
475 		xstats[num].id = num;
476 	}
477 
478 	return num;
479 }
480 
481 static void
482 bnx2x_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
483 {
484 	struct bnx2x_softc *sc = dev->data->dev_private;
485 
486 	dev_info->max_rx_queues  = sc->max_rx_queues;
487 	dev_info->max_tx_queues  = sc->max_tx_queues;
488 	dev_info->min_rx_bufsize = BNX2X_MIN_RX_BUF_SIZE;
489 	dev_info->max_rx_pktlen  = BNX2X_MAX_RX_PKT_LEN;
490 	dev_info->max_mac_addrs  = BNX2X_MAX_MAC_ADDRS;
491 	dev_info->speed_capa = ETH_LINK_SPEED_10G | ETH_LINK_SPEED_20G;
492 	dev_info->rx_offload_capa = DEV_RX_OFFLOAD_JUMBO_FRAME;
493 
494 	dev_info->rx_desc_lim.nb_max = MAX_RX_AVAIL;
495 	dev_info->rx_desc_lim.nb_min = MIN_RX_SIZE_NONTPA;
496 	dev_info->tx_desc_lim.nb_max = MAX_TX_AVAIL;
497 }
498 
499 static int
500 bnx2x_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
501 		uint32_t index, uint32_t pool)
502 {
503 	struct bnx2x_softc *sc = dev->data->dev_private;
504 
505 	if (sc->mac_ops.mac_addr_add) {
506 		sc->mac_ops.mac_addr_add(dev, mac_addr, index, pool);
507 		return 0;
508 	}
509 	return -ENOTSUP;
510 }
511 
512 static void
513 bnx2x_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
514 {
515 	struct bnx2x_softc *sc = dev->data->dev_private;
516 
517 	if (sc->mac_ops.mac_addr_remove)
518 		sc->mac_ops.mac_addr_remove(dev, index);
519 }
520 
521 static const struct eth_dev_ops bnx2x_eth_dev_ops = {
522 	.dev_configure                = bnx2x_dev_configure,
523 	.dev_start                    = bnx2x_dev_start,
524 	.dev_stop                     = bnx2x_dev_stop,
525 	.dev_close                    = bnx2x_dev_close,
526 	.promiscuous_enable           = bnx2x_promisc_enable,
527 	.promiscuous_disable          = bnx2x_promisc_disable,
528 	.allmulticast_enable          = bnx2x_dev_allmulticast_enable,
529 	.allmulticast_disable         = bnx2x_dev_allmulticast_disable,
530 	.link_update                  = bnx2x_dev_link_update,
531 	.stats_get                    = bnx2x_dev_stats_get,
532 	.xstats_get                   = bnx2x_dev_xstats_get,
533 	.xstats_get_names             = bnx2x_get_xstats_names,
534 	.dev_infos_get                = bnx2x_dev_infos_get,
535 	.rx_queue_setup               = bnx2x_dev_rx_queue_setup,
536 	.rx_queue_release             = bnx2x_dev_rx_queue_release,
537 	.tx_queue_setup               = bnx2x_dev_tx_queue_setup,
538 	.tx_queue_release             = bnx2x_dev_tx_queue_release,
539 	.mac_addr_add                 = bnx2x_mac_addr_add,
540 	.mac_addr_remove              = bnx2x_mac_addr_remove,
541 };
542 
543 /*
544  * dev_ops for virtual function
545  */
546 static const struct eth_dev_ops bnx2xvf_eth_dev_ops = {
547 	.dev_configure                = bnx2x_dev_configure,
548 	.dev_start                    = bnx2x_dev_start,
549 	.dev_stop                     = bnx2x_dev_stop,
550 	.dev_close                    = bnx2x_dev_close,
551 	.promiscuous_enable           = bnx2x_promisc_enable,
552 	.promiscuous_disable          = bnx2x_promisc_disable,
553 	.allmulticast_enable          = bnx2x_dev_allmulticast_enable,
554 	.allmulticast_disable         = bnx2x_dev_allmulticast_disable,
555 	.link_update                  = bnx2xvf_dev_link_update,
556 	.stats_get                    = bnx2x_dev_stats_get,
557 	.xstats_get                   = bnx2x_dev_xstats_get,
558 	.xstats_get_names             = bnx2x_get_xstats_names,
559 	.dev_infos_get                = bnx2x_dev_infos_get,
560 	.rx_queue_setup               = bnx2x_dev_rx_queue_setup,
561 	.rx_queue_release             = bnx2x_dev_rx_queue_release,
562 	.tx_queue_setup               = bnx2x_dev_tx_queue_setup,
563 	.tx_queue_release             = bnx2x_dev_tx_queue_release,
564 	.mac_addr_add                 = bnx2x_mac_addr_add,
565 	.mac_addr_remove              = bnx2x_mac_addr_remove,
566 };
567 
568 
569 static int
570 bnx2x_common_dev_init(struct rte_eth_dev *eth_dev, int is_vf)
571 {
572 	int ret = 0;
573 	struct rte_pci_device *pci_dev;
574 	struct rte_pci_addr pci_addr;
575 	struct bnx2x_softc *sc;
576 	static bool adapter_info = true;
577 
578 	/* Extract key data structures */
579 	sc = eth_dev->data->dev_private;
580 	pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
581 	pci_addr = pci_dev->addr;
582 
583 	snprintf(sc->devinfo.name, NAME_SIZE, PCI_SHORT_PRI_FMT ":dpdk-port-%u",
584 		 pci_addr.bus, pci_addr.devid, pci_addr.function,
585 		 eth_dev->data->port_id);
586 
587 	PMD_INIT_FUNC_TRACE(sc);
588 
589 	eth_dev->dev_ops = is_vf ? &bnx2xvf_eth_dev_ops : &bnx2x_eth_dev_ops;
590 
591 	rte_eth_copy_pci_info(eth_dev, pci_dev);
592 
593 	sc->pcie_bus    = pci_dev->addr.bus;
594 	sc->pcie_device = pci_dev->addr.devid;
595 
596 	sc->devinfo.vendor_id    = pci_dev->id.vendor_id;
597 	sc->devinfo.device_id    = pci_dev->id.device_id;
598 	sc->devinfo.subvendor_id = pci_dev->id.subsystem_vendor_id;
599 	sc->devinfo.subdevice_id = pci_dev->id.subsystem_device_id;
600 
601 	if (is_vf)
602 		sc->flags = BNX2X_IS_VF_FLAG;
603 
604 	sc->pcie_func = pci_dev->addr.function;
605 	sc->bar[BAR0].base_addr = (void *)pci_dev->mem_resource[0].addr;
606 	if (is_vf)
607 		sc->bar[BAR1].base_addr = (void *)
608 			((uintptr_t)pci_dev->mem_resource[0].addr + PXP_VF_ADDR_DB_START);
609 	else
610 		sc->bar[BAR1].base_addr = pci_dev->mem_resource[2].addr;
611 
612 	assert(sc->bar[BAR0].base_addr);
613 	assert(sc->bar[BAR1].base_addr);
614 
615 	bnx2x_load_firmware(sc);
616 	assert(sc->firmware);
617 
618 	if (eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
619 		sc->udp_rss = 1;
620 
621 	sc->rx_budget = BNX2X_RX_BUDGET;
622 	sc->hc_rx_ticks = BNX2X_RX_TICKS;
623 	sc->hc_tx_ticks = BNX2X_TX_TICKS;
624 
625 	sc->interrupt_mode = INTR_MODE_SINGLE_MSIX;
626 	sc->rx_mode = BNX2X_RX_MODE_NORMAL;
627 
628 	sc->pci_dev = pci_dev;
629 	ret = bnx2x_attach(sc);
630 	if (ret) {
631 		PMD_DRV_LOG(ERR, sc, "bnx2x_attach failed (%d)", ret);
632 		return ret;
633 	}
634 
635 	/* Print important adapter info for the user. */
636 	if (adapter_info) {
637 		bnx2x_print_adapter_info(sc);
638 		adapter_info = false;
639 	}
640 
641 	/* schedule periodic poll for slowpath link events */
642 	if (IS_PF(sc)) {
643 		PMD_DRV_LOG(DEBUG, sc, "Scheduling periodic poll for slowpath link events");
644 		ret = rte_eal_alarm_set(BNX2X_SP_TIMER_PERIOD,
645 					bnx2x_periodic_start, (void *)eth_dev);
646 		if (ret) {
647 			PMD_DRV_LOG(ERR, sc, "Unable to start periodic"
648 					     " timer rc %d", ret);
649 			return -EINVAL;
650 		}
651 	}
652 
653 	eth_dev->data->mac_addrs =
654 		(struct rte_ether_addr *)sc->link_params.mac_addr;
655 
656 	if (IS_VF(sc)) {
657 		rte_spinlock_init(&sc->vf2pf_lock);
658 
659 		ret = bnx2x_dma_alloc(sc, sizeof(struct bnx2x_vf_mbx_msg),
660 				      &sc->vf2pf_mbox_mapping, "vf2pf_mbox",
661 				      RTE_CACHE_LINE_SIZE);
662 		if (ret)
663 			goto out;
664 
665 		sc->vf2pf_mbox = (struct bnx2x_vf_mbx_msg *)
666 					 sc->vf2pf_mbox_mapping.vaddr;
667 
668 		ret = bnx2x_dma_alloc(sc, sizeof(struct bnx2x_vf_bulletin),
669 				      &sc->pf2vf_bulletin_mapping, "vf2pf_bull",
670 				      RTE_CACHE_LINE_SIZE);
671 		if (ret)
672 			goto out;
673 
674 		sc->pf2vf_bulletin = (struct bnx2x_vf_bulletin *)
675 					     sc->pf2vf_bulletin_mapping.vaddr;
676 
677 		ret = bnx2x_vf_get_resources(sc, sc->max_tx_queues,
678 					     sc->max_rx_queues);
679 		if (ret)
680 			goto out;
681 	}
682 
683 	return 0;
684 
685 out:
686 	if (IS_PF(sc))
687 		bnx2x_periodic_stop(eth_dev);
688 
689 	return ret;
690 }
691 
692 static int
693 eth_bnx2x_dev_init(struct rte_eth_dev *eth_dev)
694 {
695 	struct bnx2x_softc *sc = eth_dev->data->dev_private;
696 	PMD_INIT_FUNC_TRACE(sc);
697 	return bnx2x_common_dev_init(eth_dev, 0);
698 }
699 
700 static int
701 eth_bnx2xvf_dev_init(struct rte_eth_dev *eth_dev)
702 {
703 	struct bnx2x_softc *sc = eth_dev->data->dev_private;
704 	PMD_INIT_FUNC_TRACE(sc);
705 	return bnx2x_common_dev_init(eth_dev, 1);
706 }
707 
708 static int eth_bnx2x_dev_uninit(struct rte_eth_dev *eth_dev)
709 {
710 	/* mac_addrs must not be freed alone because part of dev_private */
711 	eth_dev->data->mac_addrs = NULL;
712 	return 0;
713 }
714 
715 static struct rte_pci_driver rte_bnx2x_pmd;
716 static struct rte_pci_driver rte_bnx2xvf_pmd;
717 
718 static int eth_bnx2x_pci_probe(struct rte_pci_driver *pci_drv,
719 	struct rte_pci_device *pci_dev)
720 {
721 	if (pci_drv == &rte_bnx2x_pmd)
722 		return rte_eth_dev_pci_generic_probe(pci_dev,
723 				sizeof(struct bnx2x_softc), eth_bnx2x_dev_init);
724 	else if (pci_drv == &rte_bnx2xvf_pmd)
725 		return rte_eth_dev_pci_generic_probe(pci_dev,
726 				sizeof(struct bnx2x_softc), eth_bnx2xvf_dev_init);
727 	else
728 		return -EINVAL;
729 }
730 
731 static int eth_bnx2x_pci_remove(struct rte_pci_device *pci_dev)
732 {
733 	return rte_eth_dev_pci_generic_remove(pci_dev, eth_bnx2x_dev_uninit);
734 }
735 
736 static struct rte_pci_driver rte_bnx2x_pmd = {
737 	.id_table = pci_id_bnx2x_map,
738 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
739 	.probe = eth_bnx2x_pci_probe,
740 	.remove = eth_bnx2x_pci_remove,
741 };
742 
743 /*
744  * virtual function driver struct
745  */
746 static struct rte_pci_driver rte_bnx2xvf_pmd = {
747 	.id_table = pci_id_bnx2xvf_map,
748 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
749 	.probe = eth_bnx2x_pci_probe,
750 	.remove = eth_bnx2x_pci_remove,
751 };
752 
753 RTE_PMD_REGISTER_PCI(net_bnx2x, rte_bnx2x_pmd);
754 RTE_PMD_REGISTER_PCI_TABLE(net_bnx2x, pci_id_bnx2x_map);
755 RTE_PMD_REGISTER_KMOD_DEP(net_bnx2x, "* igb_uio | uio_pci_generic | vfio-pci");
756 RTE_PMD_REGISTER_PCI(net_bnx2xvf, rte_bnx2xvf_pmd);
757 RTE_PMD_REGISTER_PCI_TABLE(net_bnx2xvf, pci_id_bnx2xvf_map);
758 RTE_PMD_REGISTER_KMOD_DEP(net_bnx2xvf, "* igb_uio | vfio-pci");
759 
760 RTE_INIT(bnx2x_init_log)
761 {
762 	bnx2x_logtype_init = rte_log_register("pmd.net.bnx2x.init");
763 	if (bnx2x_logtype_init >= 0)
764 		rte_log_set_level(bnx2x_logtype_init, RTE_LOG_NOTICE);
765 	bnx2x_logtype_driver = rte_log_register("pmd.net.bnx2x.driver");
766 	if (bnx2x_logtype_driver >= 0)
767 		rte_log_set_level(bnx2x_logtype_driver, RTE_LOG_NOTICE);
768 }
769