xref: /dpdk/drivers/net/octeontx/octeontx_ethdev.c (revision 9e399b88ce2f103165512d4005611a1f709deb1d)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Cavium, Inc
3  */
4 
5 #include <stdio.h>
6 #include <stdarg.h>
7 #include <stdbool.h>
8 #include <stdint.h>
9 #include <string.h>
10 #include <unistd.h>
11 
12 #include <rte_alarm.h>
13 #include <rte_branch_prediction.h>
14 #include <rte_debug.h>
15 #include <rte_devargs.h>
16 #include <rte_dev.h>
17 #include <rte_kvargs.h>
18 #include <rte_malloc.h>
19 #include <rte_mbuf_pool_ops.h>
20 #include <rte_prefetch.h>
21 #include <rte_bus_vdev.h>
22 
23 #include "octeontx_ethdev.h"
24 #include "octeontx_rxtx.h"
25 #include "octeontx_logs.h"
26 
27 struct octeontx_vdev_init_params {
28 	uint8_t	nr_port;
29 };
30 
31 uint16_t
32 rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
33 
34 enum octeontx_link_speed {
35 	OCTEONTX_LINK_SPEED_SGMII,
36 	OCTEONTX_LINK_SPEED_XAUI,
37 	OCTEONTX_LINK_SPEED_RXAUI,
38 	OCTEONTX_LINK_SPEED_10G_R,
39 	OCTEONTX_LINK_SPEED_40G_R,
40 	OCTEONTX_LINK_SPEED_RESERVE1,
41 	OCTEONTX_LINK_SPEED_QSGMII,
42 	OCTEONTX_LINK_SPEED_RESERVE2
43 };
44 
45 int otx_net_logtype_mbox;
46 int otx_net_logtype_init;
47 int otx_net_logtype_driver;
48 
49 RTE_INIT(otx_net_init_log)
50 {
51 	otx_net_logtype_mbox = rte_log_register("pmd.net.octeontx.mbox");
52 	if (otx_net_logtype_mbox >= 0)
53 		rte_log_set_level(otx_net_logtype_mbox, RTE_LOG_NOTICE);
54 
55 	otx_net_logtype_init = rte_log_register("pmd.net.octeontx.init");
56 	if (otx_net_logtype_init >= 0)
57 		rte_log_set_level(otx_net_logtype_init, RTE_LOG_NOTICE);
58 
59 	otx_net_logtype_driver = rte_log_register("pmd.net.octeontx.driver");
60 	if (otx_net_logtype_driver >= 0)
61 		rte_log_set_level(otx_net_logtype_driver, RTE_LOG_NOTICE);
62 }
63 
64 /* Parse integer from integer argument */
65 static int
66 parse_integer_arg(const char *key __rte_unused,
67 		const char *value, void *extra_args)
68 {
69 	int *i = (int *)extra_args;
70 
71 	*i = atoi(value);
72 	if (*i < 0) {
73 		octeontx_log_err("argument has to be positive.");
74 		return -1;
75 	}
76 
77 	return 0;
78 }
79 
80 static int
81 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params,
82 				struct rte_vdev_device *dev)
83 {
84 	struct rte_kvargs *kvlist = NULL;
85 	int ret = 0;
86 
87 	static const char * const octeontx_vdev_valid_params[] = {
88 		OCTEONTX_VDEV_NR_PORT_ARG,
89 		NULL
90 	};
91 
92 	const char *input_args = rte_vdev_device_args(dev);
93 	if (params == NULL)
94 		return -EINVAL;
95 
96 
97 	if (input_args) {
98 		kvlist = rte_kvargs_parse(input_args,
99 				octeontx_vdev_valid_params);
100 		if (kvlist == NULL)
101 			return -1;
102 
103 		ret = rte_kvargs_process(kvlist,
104 					OCTEONTX_VDEV_NR_PORT_ARG,
105 					&parse_integer_arg,
106 					&params->nr_port);
107 		if (ret < 0)
108 			goto free_kvlist;
109 	}
110 
111 free_kvlist:
112 	rte_kvargs_free(kvlist);
113 	return ret;
114 }
115 
116 static int
117 octeontx_port_open(struct octeontx_nic *nic)
118 {
119 	octeontx_mbox_bgx_port_conf_t bgx_port_conf;
120 	int res;
121 
122 	res = 0;
123 	memset(&bgx_port_conf, 0x0, sizeof(bgx_port_conf));
124 	PMD_INIT_FUNC_TRACE();
125 
126 	res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf);
127 	if (res < 0) {
128 		octeontx_log_err("failed to open port %d", res);
129 		return res;
130 	}
131 
132 	nic->node = bgx_port_conf.node;
133 	nic->port_ena = bgx_port_conf.enable;
134 	nic->base_ichan = bgx_port_conf.base_chan;
135 	nic->base_ochan = bgx_port_conf.base_chan;
136 	nic->num_ichans = bgx_port_conf.num_chans;
137 	nic->num_ochans = bgx_port_conf.num_chans;
138 	nic->mtu = bgx_port_conf.mtu;
139 	nic->bpen = bgx_port_conf.bpen;
140 	nic->fcs_strip = bgx_port_conf.fcs_strip;
141 	nic->bcast_mode = bgx_port_conf.bcast_mode;
142 	nic->mcast_mode = bgx_port_conf.mcast_mode;
143 	nic->speed	= bgx_port_conf.mode;
144 
145 	memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0],
146 		RTE_ETHER_ADDR_LEN);
147 
148 	octeontx_log_dbg("port opened %d", nic->port_id);
149 	return res;
150 }
151 
152 static void
153 octeontx_port_close(struct octeontx_nic *nic)
154 {
155 	PMD_INIT_FUNC_TRACE();
156 
157 	octeontx_bgx_port_close(nic->port_id);
158 	octeontx_log_dbg("port closed %d", nic->port_id);
159 }
160 
161 static int
162 octeontx_port_start(struct octeontx_nic *nic)
163 {
164 	PMD_INIT_FUNC_TRACE();
165 
166 	return octeontx_bgx_port_start(nic->port_id);
167 }
168 
169 static int
170 octeontx_port_stop(struct octeontx_nic *nic)
171 {
172 	PMD_INIT_FUNC_TRACE();
173 
174 	return octeontx_bgx_port_stop(nic->port_id);
175 }
176 
177 static int
178 octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
179 {
180 	struct rte_eth_dev *dev;
181 	int res;
182 
183 	res = 0;
184 	PMD_INIT_FUNC_TRACE();
185 	dev = nic->dev;
186 
187 	res = octeontx_bgx_port_promisc_set(nic->port_id, en);
188 	if (res < 0) {
189 		octeontx_log_err("failed to set promiscuous mode %d",
190 				nic->port_id);
191 		return res;
192 	}
193 
194 	/* Set proper flag for the mode */
195 	dev->data->promiscuous = (en != 0) ? 1 : 0;
196 
197 	octeontx_log_dbg("port %d : promiscuous mode %s",
198 			nic->port_id, en ? "set" : "unset");
199 
200 	return 0;
201 }
202 
203 static int
204 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats)
205 {
206 	octeontx_mbox_bgx_port_stats_t bgx_stats;
207 	int res;
208 
209 	PMD_INIT_FUNC_TRACE();
210 
211 	res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats);
212 	if (res < 0) {
213 		octeontx_log_err("failed to get port stats %d", nic->port_id);
214 		return res;
215 	}
216 
217 	stats->ipackets = bgx_stats.rx_packets;
218 	stats->ibytes = bgx_stats.rx_bytes;
219 	stats->imissed = bgx_stats.rx_dropped;
220 	stats->ierrors = bgx_stats.rx_errors;
221 	stats->opackets = bgx_stats.tx_packets;
222 	stats->obytes = bgx_stats.tx_bytes;
223 	stats->oerrors = bgx_stats.tx_errors;
224 
225 	octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "",
226 			nic->port_id, stats->ipackets, stats->opackets);
227 
228 	return 0;
229 }
230 
231 static int
232 octeontx_port_stats_clr(struct octeontx_nic *nic)
233 {
234 	PMD_INIT_FUNC_TRACE();
235 
236 	return octeontx_bgx_port_stats_clr(nic->port_id);
237 }
238 
239 static inline void
240 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
241 				struct rte_event_dev_info *info)
242 {
243 	memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
244 	dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
245 
246 	dev_conf->nb_event_ports = info->max_event_ports;
247 	dev_conf->nb_event_queues = info->max_event_queues;
248 
249 	dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
250 	dev_conf->nb_event_port_dequeue_depth =
251 			info->max_event_port_dequeue_depth;
252 	dev_conf->nb_event_port_enqueue_depth =
253 			info->max_event_port_enqueue_depth;
254 	dev_conf->nb_event_port_enqueue_depth =
255 			info->max_event_port_enqueue_depth;
256 	dev_conf->nb_events_limit =
257 			info->max_num_events;
258 }
259 
260 static int
261 octeontx_dev_configure(struct rte_eth_dev *dev)
262 {
263 	struct rte_eth_dev_data *data = dev->data;
264 	struct rte_eth_conf *conf = &data->dev_conf;
265 	struct rte_eth_rxmode *rxmode = &conf->rxmode;
266 	struct rte_eth_txmode *txmode = &conf->txmode;
267 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
268 	int ret;
269 
270 	PMD_INIT_FUNC_TRACE();
271 	RTE_SET_USED(conf);
272 
273 	if (!rte_eal_has_hugepages()) {
274 		octeontx_log_err("huge page is not configured");
275 		return -EINVAL;
276 	}
277 
278 	if (txmode->mq_mode) {
279 		octeontx_log_err("tx mq_mode DCB or VMDq not supported");
280 		return -EINVAL;
281 	}
282 
283 	if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
284 		rxmode->mq_mode != ETH_MQ_RX_RSS) {
285 		octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
286 		return -EINVAL;
287 	}
288 
289 	if (!(txmode->offloads & DEV_TX_OFFLOAD_MT_LOCKFREE)) {
290 		PMD_INIT_LOG(NOTICE, "cant disable lockfree tx");
291 		txmode->offloads |= DEV_TX_OFFLOAD_MT_LOCKFREE;
292 	}
293 
294 	if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
295 		octeontx_log_err("setting link speed/duplex not supported");
296 		return -EINVAL;
297 	}
298 
299 	if (conf->dcb_capability_en) {
300 		octeontx_log_err("DCB enable not supported");
301 		return -EINVAL;
302 	}
303 
304 	if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
305 		octeontx_log_err("flow director not supported");
306 		return -EINVAL;
307 	}
308 
309 	nic->num_tx_queues = dev->data->nb_tx_queues;
310 
311 	ret = octeontx_pko_channel_open(nic->pko_vfid * PKO_VF_NUM_DQ,
312 					nic->num_tx_queues,
313 					nic->base_ochan);
314 	if (ret) {
315 		octeontx_log_err("failed to open channel %d no-of-txq %d",
316 			   nic->base_ochan, nic->num_tx_queues);
317 		return -EFAULT;
318 	}
319 
320 	nic->pki.classifier_enable = false;
321 	nic->pki.hash_enable = true;
322 	nic->pki.initialized = false;
323 
324 	return 0;
325 }
326 
327 static void
328 octeontx_dev_close(struct rte_eth_dev *dev)
329 {
330 	struct octeontx_txq *txq = NULL;
331 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
332 	unsigned int i;
333 	int ret;
334 
335 	PMD_INIT_FUNC_TRACE();
336 
337 	rte_event_dev_close(nic->evdev);
338 
339 	ret = octeontx_pko_channel_close(nic->base_ochan);
340 	if (ret < 0) {
341 		octeontx_log_err("failed to close channel %d VF%d %d %d",
342 			     nic->base_ochan, nic->port_id, nic->num_tx_queues,
343 			     ret);
344 	}
345 	/* Free txq resources for this port */
346 	for (i = 0; i < nic->num_tx_queues; i++) {
347 		txq = dev->data->tx_queues[i];
348 		if (!txq)
349 			continue;
350 
351 		rte_free(txq);
352 	}
353 
354 	/* Free MAC address table */
355 	rte_free(dev->data->mac_addrs);
356 	dev->data->mac_addrs = NULL;
357 
358 	dev->tx_pkt_burst = NULL;
359 	dev->rx_pkt_burst = NULL;
360 }
361 
362 static int
363 octeontx_dev_start(struct rte_eth_dev *dev)
364 {
365 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
366 	int ret;
367 
368 	ret = 0;
369 
370 	PMD_INIT_FUNC_TRACE();
371 	/*
372 	 * Tx start
373 	 */
374 	dev->tx_pkt_burst = octeontx_xmit_pkts;
375 	ret = octeontx_pko_channel_start(nic->base_ochan);
376 	if (ret < 0) {
377 		octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
378 			   nic->port_id, nic->num_tx_queues, nic->base_ochan,
379 			   ret);
380 		goto error;
381 	}
382 
383 	/*
384 	 * Rx start
385 	 */
386 	dev->rx_pkt_burst = octeontx_recv_pkts;
387 	ret = octeontx_pki_port_start(nic->port_id);
388 	if (ret < 0) {
389 		octeontx_log_err("fail to start Rx on port %d", nic->port_id);
390 		goto channel_stop_error;
391 	}
392 
393 	/*
394 	 * Start port
395 	 */
396 	ret = octeontx_port_start(nic);
397 	if (ret < 0) {
398 		octeontx_log_err("failed start port %d", ret);
399 		goto pki_port_stop_error;
400 	}
401 
402 	PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
403 			nic->base_ochan, nic->num_tx_queues, nic->port_id);
404 
405 	ret = rte_event_dev_start(nic->evdev);
406 	if (ret < 0) {
407 		octeontx_log_err("failed to start evdev: ret (%d)", ret);
408 		goto pki_port_stop_error;
409 	}
410 
411 	/* Success */
412 	return ret;
413 
414 pki_port_stop_error:
415 	octeontx_pki_port_stop(nic->port_id);
416 channel_stop_error:
417 	octeontx_pko_channel_stop(nic->base_ochan);
418 error:
419 	return ret;
420 }
421 
422 static void
423 octeontx_dev_stop(struct rte_eth_dev *dev)
424 {
425 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
426 	int ret;
427 
428 	PMD_INIT_FUNC_TRACE();
429 
430 	rte_event_dev_stop(nic->evdev);
431 
432 	ret = octeontx_port_stop(nic);
433 	if (ret < 0) {
434 		octeontx_log_err("failed to req stop port %d res=%d",
435 					nic->port_id, ret);
436 		return;
437 	}
438 
439 	ret = octeontx_pki_port_stop(nic->port_id);
440 	if (ret < 0) {
441 		octeontx_log_err("failed to stop pki port %d res=%d",
442 					nic->port_id, ret);
443 		return;
444 	}
445 
446 	ret = octeontx_pko_channel_stop(nic->base_ochan);
447 	if (ret < 0) {
448 		octeontx_log_err("failed to stop channel %d VF%d %d %d",
449 			     nic->base_ochan, nic->port_id, nic->num_tx_queues,
450 			     ret);
451 		return;
452 	}
453 }
454 
455 static int
456 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
457 {
458 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
459 
460 	PMD_INIT_FUNC_TRACE();
461 	return octeontx_port_promisc_set(nic, 1);
462 }
463 
464 static int
465 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
466 {
467 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
468 
469 	PMD_INIT_FUNC_TRACE();
470 	return octeontx_port_promisc_set(nic, 0);
471 }
472 
473 static int
474 octeontx_port_link_status(struct octeontx_nic *nic)
475 {
476 	int res;
477 
478 	PMD_INIT_FUNC_TRACE();
479 	res = octeontx_bgx_port_link_status(nic->port_id);
480 	if (res < 0) {
481 		octeontx_log_err("failed to get port %d link status",
482 				nic->port_id);
483 		return res;
484 	}
485 
486 	nic->link_up = (uint8_t)res;
487 	octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
488 
489 	return res;
490 }
491 
492 /*
493  * Return 0 means link status changed, -1 means not changed
494  */
495 static int
496 octeontx_dev_link_update(struct rte_eth_dev *dev,
497 			 int wait_to_complete __rte_unused)
498 {
499 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
500 	struct rte_eth_link link;
501 	int res;
502 
503 	PMD_INIT_FUNC_TRACE();
504 
505 	res = octeontx_port_link_status(nic);
506 	if (res < 0) {
507 		octeontx_log_err("failed to request link status %d", res);
508 		return res;
509 	}
510 
511 	link.link_status = nic->link_up;
512 
513 	switch (nic->speed) {
514 	case OCTEONTX_LINK_SPEED_SGMII:
515 		link.link_speed = ETH_SPEED_NUM_1G;
516 		break;
517 
518 	case OCTEONTX_LINK_SPEED_XAUI:
519 		link.link_speed = ETH_SPEED_NUM_10G;
520 		break;
521 
522 	case OCTEONTX_LINK_SPEED_RXAUI:
523 	case OCTEONTX_LINK_SPEED_10G_R:
524 		link.link_speed = ETH_SPEED_NUM_10G;
525 		break;
526 	case OCTEONTX_LINK_SPEED_QSGMII:
527 		link.link_speed = ETH_SPEED_NUM_5G;
528 		break;
529 	case OCTEONTX_LINK_SPEED_40G_R:
530 		link.link_speed = ETH_SPEED_NUM_40G;
531 		break;
532 
533 	case OCTEONTX_LINK_SPEED_RESERVE1:
534 	case OCTEONTX_LINK_SPEED_RESERVE2:
535 	default:
536 		link.link_speed = ETH_SPEED_NUM_NONE;
537 		octeontx_log_err("incorrect link speed %d", nic->speed);
538 		break;
539 	}
540 
541 	link.link_duplex = ETH_LINK_FULL_DUPLEX;
542 	link.link_autoneg = ETH_LINK_AUTONEG;
543 
544 	return rte_eth_linkstatus_set(dev, &link);
545 }
546 
547 static int
548 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
549 {
550 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
551 
552 	PMD_INIT_FUNC_TRACE();
553 	return octeontx_port_stats(nic, stats);
554 }
555 
556 static int
557 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
558 {
559 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
560 
561 	PMD_INIT_FUNC_TRACE();
562 	return octeontx_port_stats_clr(nic);
563 }
564 
565 static void
566 octeontx_dev_mac_addr_del(struct rte_eth_dev *dev, uint32_t index)
567 {
568 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
569 	int ret;
570 
571 	ret = octeontx_bgx_port_mac_del(nic->port_id, index);
572 	if (ret != 0)
573 		octeontx_log_err("failed to del MAC address filter on port %d",
574 				 nic->port_id);
575 }
576 
577 static int
578 octeontx_dev_mac_addr_add(struct rte_eth_dev *dev,
579 			  struct rte_ether_addr *mac_addr,
580 			  __rte_unused uint32_t index,
581 			  __rte_unused uint32_t vmdq)
582 {
583 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
584 	int ret;
585 
586 	ret = octeontx_bgx_port_mac_add(nic->port_id, mac_addr->addr_bytes);
587 	if (ret < 0) {
588 		octeontx_log_err("failed to add MAC address filter on port %d",
589 				 nic->port_id);
590 		return ret;
591 	}
592 
593 	return 0;
594 }
595 
596 static int
597 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
598 					struct rte_ether_addr *addr)
599 {
600 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
601 	int ret;
602 
603 	ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
604 	if (ret != 0)
605 		octeontx_log_err("failed to set MAC address on port %d",
606 				nic->port_id);
607 
608 	return ret;
609 }
610 
611 static int
612 octeontx_dev_info(struct rte_eth_dev *dev,
613 		struct rte_eth_dev_info *dev_info)
614 {
615 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
616 
617 	/* Autonegotiation may be disabled */
618 	dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
619 	dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
620 			ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
621 			ETH_LINK_SPEED_40G;
622 
623 	dev_info->max_mac_addrs =
624 				octeontx_bgx_port_mac_entries_get(nic->port_id);
625 	dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
626 	dev_info->max_rx_queues = 1;
627 	dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
628 	dev_info->min_rx_bufsize = 0;
629 
630 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
631 		.rx_free_thresh = 0,
632 		.rx_drop_en = 0,
633 		.offloads = OCTEONTX_RX_OFFLOADS,
634 	};
635 
636 	dev_info->default_txconf = (struct rte_eth_txconf) {
637 		.tx_free_thresh = 0,
638 		.offloads = OCTEONTX_TX_OFFLOADS,
639 	};
640 
641 	dev_info->rx_offload_capa = OCTEONTX_RX_OFFLOADS;
642 	dev_info->tx_offload_capa = OCTEONTX_TX_OFFLOADS;
643 	dev_info->rx_queue_offload_capa = OCTEONTX_RX_OFFLOADS;
644 	dev_info->tx_queue_offload_capa = OCTEONTX_TX_OFFLOADS;
645 
646 	return 0;
647 }
648 
649 static void
650 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
651 {
652 	((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
653 	((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
654 	((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
655 }
656 
657 static int
658 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
659 				uint16_t qidx)
660 {
661 	struct octeontx_txq *txq;
662 	int res;
663 
664 	PMD_INIT_FUNC_TRACE();
665 
666 	if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
667 		return 0;
668 
669 	txq = dev->data->tx_queues[qidx];
670 
671 	res = octeontx_pko_channel_query_dqs(nic->base_ochan,
672 						&txq->dq,
673 						sizeof(octeontx_dq_t),
674 						txq->queue_id,
675 						octeontx_dq_info_getter);
676 	if (res < 0) {
677 		res = -EFAULT;
678 		goto close_port;
679 	}
680 
681 	dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
682 	return res;
683 
684 close_port:
685 	(void)octeontx_port_stop(nic);
686 	octeontx_pko_channel_stop(nic->base_ochan);
687 	octeontx_pko_channel_close(nic->base_ochan);
688 	dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
689 	return res;
690 }
691 
692 static int
693 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
694 {
695 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
696 
697 	PMD_INIT_FUNC_TRACE();
698 	qidx = qidx % PKO_VF_NUM_DQ;
699 	return octeontx_vf_start_tx_queue(dev, nic, qidx);
700 }
701 
702 static inline int
703 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
704 			  uint16_t qidx)
705 {
706 	int ret = 0;
707 
708 	RTE_SET_USED(nic);
709 	PMD_INIT_FUNC_TRACE();
710 
711 	if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
712 		return 0;
713 
714 	dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
715 	return ret;
716 }
717 
718 static int
719 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
720 {
721 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
722 
723 	PMD_INIT_FUNC_TRACE();
724 	qidx = qidx % PKO_VF_NUM_DQ;
725 
726 	return octeontx_vf_stop_tx_queue(dev, nic, qidx);
727 }
728 
729 static void
730 octeontx_dev_tx_queue_release(void *tx_queue)
731 {
732 	struct octeontx_txq *txq = tx_queue;
733 	int res;
734 
735 	PMD_INIT_FUNC_TRACE();
736 
737 	if (txq) {
738 		res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
739 		if (res < 0)
740 			octeontx_log_err("failed stop tx_queue(%d)\n",
741 				   txq->queue_id);
742 
743 		rte_free(txq);
744 	}
745 }
746 
747 static int
748 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
749 			    uint16_t nb_desc, unsigned int socket_id,
750 			    const struct rte_eth_txconf *tx_conf __rte_unused)
751 {
752 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
753 	struct octeontx_txq *txq = NULL;
754 	uint16_t dq_num;
755 	int res = 0;
756 
757 	RTE_SET_USED(nb_desc);
758 	RTE_SET_USED(socket_id);
759 
760 	dq_num = (nic->pko_vfid * PKO_VF_NUM_DQ) + qidx;
761 
762 	/* Socket id check */
763 	if (socket_id != (unsigned int)SOCKET_ID_ANY &&
764 			socket_id != (unsigned int)nic->node)
765 		PMD_TX_LOG(INFO, "socket_id expected %d, configured %d",
766 						socket_id, nic->node);
767 
768 	/* Free memory prior to re-allocation if needed. */
769 	if (dev->data->tx_queues[qidx] != NULL) {
770 		PMD_TX_LOG(DEBUG, "freeing memory prior to re-allocation %d",
771 				qidx);
772 		octeontx_dev_tx_queue_release(dev->data->tx_queues[qidx]);
773 		dev->data->tx_queues[qidx] = NULL;
774 	}
775 
776 	/* Allocating tx queue data structure */
777 	txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct octeontx_txq),
778 				 RTE_CACHE_LINE_SIZE, nic->node);
779 	if (txq == NULL) {
780 		octeontx_log_err("failed to allocate txq=%d", qidx);
781 		res = -ENOMEM;
782 		goto err;
783 	}
784 
785 	txq->eth_dev = dev;
786 	txq->queue_id = dq_num;
787 	dev->data->tx_queues[qidx] = txq;
788 	dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
789 
790 	res = octeontx_pko_channel_query_dqs(nic->base_ochan,
791 						&txq->dq,
792 						sizeof(octeontx_dq_t),
793 						txq->queue_id,
794 						octeontx_dq_info_getter);
795 	if (res < 0) {
796 		res = -EFAULT;
797 		goto err;
798 	}
799 
800 	PMD_TX_LOG(DEBUG, "[%d]:[%d] txq=%p nb_desc=%d lmtline=%p ioreg_va=%p fc_status_va=%p",
801 			qidx, txq->queue_id, txq, nb_desc, txq->dq.lmtline_va,
802 			txq->dq.ioreg_va,
803 			txq->dq.fc_status_va);
804 
805 	return res;
806 
807 err:
808 	if (txq)
809 		rte_free(txq);
810 
811 	return res;
812 }
813 
814 static int
815 octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
816 				uint16_t nb_desc, unsigned int socket_id,
817 				const struct rte_eth_rxconf *rx_conf,
818 				struct rte_mempool *mb_pool)
819 {
820 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
821 	struct rte_mempool_ops *mp_ops = NULL;
822 	struct octeontx_rxq *rxq = NULL;
823 	pki_pktbuf_cfg_t pktbuf_conf;
824 	pki_hash_cfg_t pki_hash;
825 	pki_qos_cfg_t pki_qos;
826 	uintptr_t pool;
827 	int ret, port;
828 	uint16_t gaura;
829 	unsigned int ev_queues = (nic->ev_queues * nic->port_id) + qidx;
830 	unsigned int ev_ports = (nic->ev_ports * nic->port_id) + qidx;
831 
832 	RTE_SET_USED(nb_desc);
833 
834 	memset(&pktbuf_conf, 0, sizeof(pktbuf_conf));
835 	memset(&pki_hash, 0, sizeof(pki_hash));
836 	memset(&pki_qos, 0, sizeof(pki_qos));
837 
838 	mp_ops = rte_mempool_get_ops(mb_pool->ops_index);
839 	if (strcmp(mp_ops->name, "octeontx_fpavf")) {
840 		octeontx_log_err("failed to find octeontx_fpavf mempool");
841 		return -ENOTSUP;
842 	}
843 
844 	/* Handle forbidden configurations */
845 	if (nic->pki.classifier_enable) {
846 		octeontx_log_err("cannot setup queue %d. "
847 					"Classifier option unsupported", qidx);
848 		return -EINVAL;
849 	}
850 
851 	port = nic->port_id;
852 
853 	/* Rx deferred start is not supported */
854 	if (rx_conf->rx_deferred_start) {
855 		octeontx_log_err("rx deferred start not supported");
856 		return -EINVAL;
857 	}
858 
859 	/* Verify queue index */
860 	if (qidx >= dev->data->nb_rx_queues) {
861 		octeontx_log_err("QID %d not supporteded (0 - %d available)\n",
862 				qidx, (dev->data->nb_rx_queues - 1));
863 		return -ENOTSUP;
864 	}
865 
866 	/* Socket id check */
867 	if (socket_id != (unsigned int)SOCKET_ID_ANY &&
868 			socket_id != (unsigned int)nic->node)
869 		PMD_RX_LOG(INFO, "socket_id expected %d, configured %d",
870 						socket_id, nic->node);
871 
872 	/* Allocating rx queue data structure */
873 	rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct octeontx_rxq),
874 				 RTE_CACHE_LINE_SIZE, nic->node);
875 	if (rxq == NULL) {
876 		octeontx_log_err("failed to allocate rxq=%d", qidx);
877 		return -ENOMEM;
878 	}
879 
880 	if (!nic->pki.initialized) {
881 		pktbuf_conf.port_type = 0;
882 		pki_hash.port_type = 0;
883 		pki_qos.port_type = 0;
884 
885 		pktbuf_conf.mmask.f_wqe_skip = 1;
886 		pktbuf_conf.mmask.f_first_skip = 1;
887 		pktbuf_conf.mmask.f_later_skip = 1;
888 		pktbuf_conf.mmask.f_mbuff_size = 1;
889 		pktbuf_conf.mmask.f_cache_mode = 1;
890 
891 		pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
892 		pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP(mb_pool);
893 		pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
894 		pktbuf_conf.mbuff_size = (mb_pool->elt_size -
895 					RTE_PKTMBUF_HEADROOM -
896 					rte_pktmbuf_priv_size(mb_pool) -
897 					sizeof(struct rte_mbuf));
898 
899 		pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
900 
901 		ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
902 		if (ret != 0) {
903 			octeontx_log_err("fail to configure pktbuf for port %d",
904 					port);
905 			rte_free(rxq);
906 			return ret;
907 		}
908 		PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
909 				"\tmbuf_size:\t0x%0x\n"
910 				"\twqe_skip:\t0x%0x\n"
911 				"\tfirst_skip:\t0x%0x\n"
912 				"\tlater_skip:\t0x%0x\n"
913 				"\tcache_mode:\t%s\n",
914 				port,
915 				pktbuf_conf.mbuff_size,
916 				pktbuf_conf.wqe_skip,
917 				pktbuf_conf.first_skip,
918 				pktbuf_conf.later_skip,
919 				(pktbuf_conf.cache_mode ==
920 						PKI_OPC_MODE_STT) ?
921 				"STT" :
922 				(pktbuf_conf.cache_mode ==
923 						PKI_OPC_MODE_STF) ?
924 				"STF" :
925 				(pktbuf_conf.cache_mode ==
926 						PKI_OPC_MODE_STF1_STT) ?
927 				"STF1_STT" : "STF2_STT");
928 
929 		if (nic->pki.hash_enable) {
930 			pki_hash.tag_dlc = 1;
931 			pki_hash.tag_slc = 1;
932 			pki_hash.tag_dlf = 1;
933 			pki_hash.tag_slf = 1;
934 			pki_hash.tag_prt = 1;
935 			octeontx_pki_port_hash_config(port, &pki_hash);
936 		}
937 
938 		pool = (uintptr_t)mb_pool->pool_id;
939 
940 		/* Get the gaura Id */
941 		gaura = octeontx_fpa_bufpool_gaura(pool);
942 
943 		pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
944 		pki_qos.num_entry = 1;
945 		pki_qos.drop_policy = 0;
946 		pki_qos.tag_type = 0L;
947 		pki_qos.qos_entry[0].port_add = 0;
948 		pki_qos.qos_entry[0].gaura = gaura;
949 		pki_qos.qos_entry[0].ggrp_ok = ev_queues;
950 		pki_qos.qos_entry[0].ggrp_bad = ev_queues;
951 		pki_qos.qos_entry[0].grptag_bad = 0;
952 		pki_qos.qos_entry[0].grptag_ok = 0;
953 
954 		ret = octeontx_pki_port_create_qos(port, &pki_qos);
955 		if (ret < 0) {
956 			octeontx_log_err("failed to create QOS port=%d, q=%d",
957 					port, qidx);
958 			rte_free(rxq);
959 			return ret;
960 		}
961 		nic->pki.initialized = true;
962 	}
963 
964 	rxq->port_id = nic->port_id;
965 	rxq->eth_dev = dev;
966 	rxq->queue_id = qidx;
967 	rxq->evdev = nic->evdev;
968 	rxq->ev_queues = ev_queues;
969 	rxq->ev_ports = ev_ports;
970 
971 	dev->data->rx_queues[qidx] = rxq;
972 	dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
973 	return 0;
974 }
975 
976 static void
977 octeontx_dev_rx_queue_release(void *rxq)
978 {
979 	rte_free(rxq);
980 }
981 
982 static const uint32_t *
983 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
984 {
985 	static const uint32_t ptypes[] = {
986 		RTE_PTYPE_L3_IPV4,
987 		RTE_PTYPE_L3_IPV4_EXT,
988 		RTE_PTYPE_L3_IPV6,
989 		RTE_PTYPE_L3_IPV6_EXT,
990 		RTE_PTYPE_L4_TCP,
991 		RTE_PTYPE_L4_UDP,
992 		RTE_PTYPE_L4_FRAG,
993 		RTE_PTYPE_UNKNOWN
994 	};
995 
996 	if (dev->rx_pkt_burst == octeontx_recv_pkts)
997 		return ptypes;
998 
999 	return NULL;
1000 }
1001 
1002 static int
1003 octeontx_pool_ops(struct rte_eth_dev *dev, const char *pool)
1004 {
1005 	RTE_SET_USED(dev);
1006 
1007 	if (!strcmp(pool, "octeontx_fpavf"))
1008 		return 0;
1009 
1010 	return -ENOTSUP;
1011 }
1012 
1013 /* Initialize and register driver with DPDK Application */
1014 static const struct eth_dev_ops octeontx_dev_ops = {
1015 	.dev_configure		 = octeontx_dev_configure,
1016 	.dev_infos_get		 = octeontx_dev_info,
1017 	.dev_close		 = octeontx_dev_close,
1018 	.dev_start		 = octeontx_dev_start,
1019 	.dev_stop		 = octeontx_dev_stop,
1020 	.promiscuous_enable	 = octeontx_dev_promisc_enable,
1021 	.promiscuous_disable	 = octeontx_dev_promisc_disable,
1022 	.link_update		 = octeontx_dev_link_update,
1023 	.stats_get		 = octeontx_dev_stats_get,
1024 	.stats_reset		 = octeontx_dev_stats_reset,
1025 	.mac_addr_remove	 = octeontx_dev_mac_addr_del,
1026 	.mac_addr_add		 = octeontx_dev_mac_addr_add,
1027 	.mac_addr_set		 = octeontx_dev_default_mac_addr_set,
1028 	.tx_queue_start		 = octeontx_dev_tx_queue_start,
1029 	.tx_queue_stop		 = octeontx_dev_tx_queue_stop,
1030 	.tx_queue_setup		 = octeontx_dev_tx_queue_setup,
1031 	.tx_queue_release	 = octeontx_dev_tx_queue_release,
1032 	.rx_queue_setup		 = octeontx_dev_rx_queue_setup,
1033 	.rx_queue_release	 = octeontx_dev_rx_queue_release,
1034 	.dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1035 	.pool_ops_supported      = octeontx_pool_ops,
1036 };
1037 
1038 /* Create Ethdev interface per BGX LMAC ports */
1039 static int
1040 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1041 			int socket_id)
1042 {
1043 	int res;
1044 	size_t pko_vfid;
1045 	char octtx_name[OCTEONTX_MAX_NAME_LEN];
1046 	struct octeontx_nic *nic = NULL;
1047 	struct rte_eth_dev *eth_dev = NULL;
1048 	struct rte_eth_dev_data *data;
1049 	const char *name = rte_vdev_device_name(dev);
1050 	int max_entries;
1051 
1052 	PMD_INIT_FUNC_TRACE();
1053 
1054 	sprintf(octtx_name, "%s_%d", name, port);
1055 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1056 		eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1057 		if (eth_dev == NULL)
1058 			return -ENODEV;
1059 
1060 		eth_dev->dev_ops = &octeontx_dev_ops;
1061 		eth_dev->device = &dev->device;
1062 		eth_dev->tx_pkt_burst = octeontx_xmit_pkts;
1063 		eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1064 		rte_eth_dev_probing_finish(eth_dev);
1065 		return 0;
1066 	}
1067 
1068 	/* Reserve an ethdev entry */
1069 	eth_dev = rte_eth_dev_allocate(octtx_name);
1070 	if (eth_dev == NULL) {
1071 		octeontx_log_err("failed to allocate rte_eth_dev");
1072 		res = -ENOMEM;
1073 		goto err;
1074 	}
1075 	data = eth_dev->data;
1076 
1077 	nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1078 	if (nic == NULL) {
1079 		octeontx_log_err("failed to allocate nic structure");
1080 		res = -ENOMEM;
1081 		goto err;
1082 	}
1083 	data->dev_private = nic;
1084 	pko_vfid = octeontx_pko_get_vfid();
1085 
1086 	if (pko_vfid == SIZE_MAX) {
1087 		octeontx_log_err("failed to get pko vfid");
1088 		res = -ENODEV;
1089 		goto err;
1090 	}
1091 
1092 	nic->pko_vfid = pko_vfid;
1093 	nic->port_id = port;
1094 	nic->evdev = evdev;
1095 
1096 	res = octeontx_port_open(nic);
1097 	if (res < 0)
1098 		goto err;
1099 
1100 	/* Rx side port configuration */
1101 	res = octeontx_pki_port_open(port);
1102 	if (res != 0) {
1103 		octeontx_log_err("failed to open PKI port %d", port);
1104 		res = -ENODEV;
1105 		goto err;
1106 	}
1107 
1108 	eth_dev->device = &dev->device;
1109 	eth_dev->intr_handle = NULL;
1110 	eth_dev->data->kdrv = RTE_KDRV_NONE;
1111 	eth_dev->data->numa_node = dev->device.numa_node;
1112 
1113 	data->port_id = eth_dev->data->port_id;
1114 
1115 	nic->ev_queues = 1;
1116 	nic->ev_ports = 1;
1117 
1118 	data->dev_link.link_status = ETH_LINK_DOWN;
1119 	data->dev_started = 0;
1120 	data->promiscuous = 0;
1121 	data->all_multicast = 0;
1122 	data->scattered_rx = 0;
1123 
1124 	/* Get maximum number of supported MAC entries */
1125 	max_entries = octeontx_bgx_port_mac_entries_get(nic->port_id);
1126 	if (max_entries < 0) {
1127 		octeontx_log_err("Failed to get max entries for mac addr");
1128 		res = -ENOTSUP;
1129 		goto err;
1130 	}
1131 
1132 	data->mac_addrs = rte_zmalloc_socket(octtx_name, max_entries *
1133 					     RTE_ETHER_ADDR_LEN, 0,
1134 							socket_id);
1135 	if (data->mac_addrs == NULL) {
1136 		octeontx_log_err("failed to allocate memory for mac_addrs");
1137 		res = -ENOMEM;
1138 		goto err;
1139 	}
1140 
1141 	eth_dev->dev_ops = &octeontx_dev_ops;
1142 
1143 	/* Finally save ethdev pointer to the NIC structure */
1144 	nic->dev = eth_dev;
1145 
1146 	if (nic->port_id != data->port_id) {
1147 		octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1148 				data->port_id, nic->port_id);
1149 		res = -EINVAL;
1150 		goto free_mac_addrs;
1151 	}
1152 
1153 	/* Update port_id mac to eth_dev */
1154 	memcpy(data->mac_addrs, nic->mac_addr, RTE_ETHER_ADDR_LEN);
1155 
1156 	PMD_INIT_LOG(DEBUG, "ethdev info: ");
1157 	PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1158 				nic->port_id, nic->port_ena,
1159 				nic->base_ochan, nic->num_ochans,
1160 				nic->num_tx_queues);
1161 	PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
1162 
1163 	rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
1164 		[(nic->base_ochan >> 4) & 0xF] = data->port_id;
1165 
1166 	rte_eth_dev_probing_finish(eth_dev);
1167 	return data->port_id;
1168 
1169 free_mac_addrs:
1170 	rte_free(data->mac_addrs);
1171 err:
1172 	if (nic)
1173 		octeontx_port_close(nic);
1174 
1175 	rte_eth_dev_release_port(eth_dev);
1176 
1177 	return res;
1178 }
1179 
1180 /* Un initialize octeontx device */
1181 static int
1182 octeontx_remove(struct rte_vdev_device *dev)
1183 {
1184 	char octtx_name[OCTEONTX_MAX_NAME_LEN];
1185 	struct rte_eth_dev *eth_dev = NULL;
1186 	struct octeontx_nic *nic = NULL;
1187 	int i;
1188 
1189 	if (dev == NULL)
1190 		return -EINVAL;
1191 
1192 	for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1193 		sprintf(octtx_name, "eth_octeontx_%d", i);
1194 
1195 		/* reserve an ethdev entry */
1196 		eth_dev = rte_eth_dev_allocated(octtx_name);
1197 		if (eth_dev == NULL)
1198 			return -ENODEV;
1199 
1200 		if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1201 			rte_eth_dev_release_port(eth_dev);
1202 			continue;
1203 		}
1204 
1205 		nic = octeontx_pmd_priv(eth_dev);
1206 		rte_event_dev_stop(nic->evdev);
1207 		PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1208 
1209 		rte_eth_dev_release_port(eth_dev);
1210 		rte_event_dev_close(nic->evdev);
1211 	}
1212 
1213 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1214 		return 0;
1215 
1216 	/* Free FC resource */
1217 	octeontx_pko_fc_free();
1218 
1219 	return 0;
1220 }
1221 
1222 /* Initialize octeontx device */
1223 static int
1224 octeontx_probe(struct rte_vdev_device *dev)
1225 {
1226 	const char *dev_name;
1227 	static int probe_once;
1228 	uint8_t socket_id, qlist;
1229 	int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1230 	struct rte_event_dev_config dev_conf;
1231 	const char *eventdev_name = "event_octeontx";
1232 	struct rte_event_dev_info info;
1233 	struct rte_eth_dev *eth_dev;
1234 
1235 	struct octeontx_vdev_init_params init_params = {
1236 		OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1237 	};
1238 
1239 	dev_name = rte_vdev_device_name(dev);
1240 
1241 	if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
1242 	    strlen(rte_vdev_device_args(dev)) == 0) {
1243 		eth_dev = rte_eth_dev_attach_secondary(dev_name);
1244 		if (!eth_dev) {
1245 			PMD_INIT_LOG(ERR, "Failed to probe %s", dev_name);
1246 			return -1;
1247 		}
1248 		/* TODO: request info from primary to set up Rx and Tx */
1249 		eth_dev->dev_ops = &octeontx_dev_ops;
1250 		eth_dev->device = &dev->device;
1251 		rte_eth_dev_probing_finish(eth_dev);
1252 		return 0;
1253 	}
1254 
1255 	res = octeontx_parse_vdev_init_params(&init_params, dev);
1256 	if (res < 0)
1257 		return -EINVAL;
1258 
1259 	if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1260 		octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1261 				OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1262 		return -ENOTSUP;
1263 	}
1264 
1265 	PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1266 
1267 	socket_id = rte_socket_id();
1268 
1269 	tx_vfcnt = octeontx_pko_vf_count();
1270 
1271 	if (tx_vfcnt < init_params.nr_port) {
1272 		octeontx_log_err("not enough PKO (%d) for port number (%d)",
1273 				tx_vfcnt, init_params.nr_port);
1274 		return -EINVAL;
1275 	}
1276 	evdev = rte_event_dev_get_dev_id(eventdev_name);
1277 	if (evdev < 0) {
1278 		octeontx_log_err("eventdev %s not found", eventdev_name);
1279 		return -ENODEV;
1280 	}
1281 
1282 	res = rte_event_dev_info_get(evdev, &info);
1283 	if (res < 0) {
1284 		octeontx_log_err("failed to eventdev info %d", res);
1285 		return -EINVAL;
1286 	}
1287 
1288 	PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1289 			info.max_event_queues, info.max_event_ports);
1290 
1291 	if (octeontx_pko_init_fc(tx_vfcnt))
1292 		return -ENOMEM;
1293 
1294 	devconf_set_default_sane_values(&dev_conf, &info);
1295 	res = rte_event_dev_configure(evdev, &dev_conf);
1296 	if (res < 0)
1297 		goto parse_error;
1298 
1299 	rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1300 			(uint32_t *)&pnum);
1301 	rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1302 			(uint32_t *)&qnum);
1303 	if (pnum < qnum) {
1304 		octeontx_log_err("too few event ports (%d) for event_q(%d)",
1305 				pnum, qnum);
1306 		res = -EINVAL;
1307 		goto parse_error;
1308 	}
1309 
1310 	/* Enable all queues available */
1311 	for (i = 0; i < qnum; i++) {
1312 		res = rte_event_queue_setup(evdev, i, NULL);
1313 		if (res < 0) {
1314 			octeontx_log_err("failed to setup event_q(%d): res %d",
1315 					i, res);
1316 			goto parse_error;
1317 		}
1318 	}
1319 
1320 	/* Enable all ports available */
1321 	for (i = 0; i < pnum; i++) {
1322 		res = rte_event_port_setup(evdev, i, NULL);
1323 		if (res < 0) {
1324 			res = -ENODEV;
1325 			octeontx_log_err("failed to setup ev port(%d) res=%d",
1326 						i, res);
1327 			goto parse_error;
1328 		}
1329 	}
1330 
1331 	/*
1332 	 * Do 1:1 links for ports & queues. All queues would be mapped to
1333 	 * one port. If there are more ports than queues, then some ports
1334 	 * won't be linked to any queue.
1335 	 */
1336 	for (i = 0; i < qnum; i++) {
1337 		/* Link one queue to one event port */
1338 		qlist = i;
1339 		res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1340 		if (res < 0) {
1341 			res = -ENODEV;
1342 			octeontx_log_err("failed to link port (%d): res=%d",
1343 					i, res);
1344 			goto parse_error;
1345 		}
1346 	}
1347 
1348 	/* Create ethdev interface */
1349 	for (i = 0; i < init_params.nr_port; i++) {
1350 		port_id = octeontx_create(dev, i, evdev, socket_id);
1351 		if (port_id < 0) {
1352 			octeontx_log_err("failed to create device %s",
1353 					dev_name);
1354 			res = -ENODEV;
1355 			goto parse_error;
1356 		}
1357 
1358 		PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1359 					port_id);
1360 	}
1361 
1362 	if (probe_once) {
1363 		octeontx_log_err("interface %s not supported", dev_name);
1364 		octeontx_remove(dev);
1365 		res = -ENOTSUP;
1366 		goto parse_error;
1367 	}
1368 	rte_mbuf_set_platform_mempool_ops("octeontx_fpavf");
1369 	probe_once = 1;
1370 
1371 	return 0;
1372 
1373 parse_error:
1374 	octeontx_pko_fc_free();
1375 	return res;
1376 }
1377 
1378 static struct rte_vdev_driver octeontx_pmd_drv = {
1379 	.probe = octeontx_probe,
1380 	.remove = octeontx_remove,
1381 };
1382 
1383 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1384 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1385 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");
1386