xref: /dpdk/drivers/net/octeontx/octeontx_ethdev.c (revision 48191dde6acfbcc90849f20464178151a81ba4c8)
1 /*
2  *   BSD LICENSE
3  *
4  *   Copyright (C) Cavium Inc. 2017. All rights reserved.
5  *
6  *   Redistribution and use in source and binary forms, with or without
7  *   modification, are permitted provided that the following conditions
8  *   are met:
9  *
10  *     * Redistributions of source code must retain the above copyright
11  *       notice, this list of conditions and the following disclaimer.
12  *     * Redistributions in binary form must reproduce the above copyright
13  *       notice, this list of conditions and the following disclaimer in
14  *       the documentation and/or other materials provided with the
15  *       distribution.
16  *     * Neither the name of Cavium networks nor the names of its
17  *       contributors may be used to endorse or promote products derived
18  *       from this software without specific prior written permission.
19  *
20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 #include <stdio.h>
33 #include <stdarg.h>
34 #include <stdbool.h>
35 #include <stdint.h>
36 #include <string.h>
37 #include <unistd.h>
38 
39 #include <rte_alarm.h>
40 #include <rte_branch_prediction.h>
41 #include <rte_debug.h>
42 #include <rte_devargs.h>
43 #include <rte_dev.h>
44 #include <rte_kvargs.h>
45 #include <rte_malloc.h>
46 #include <rte_prefetch.h>
47 #include <rte_bus_vdev.h>
48 
49 #include "octeontx_ethdev.h"
50 #include "octeontx_rxtx.h"
51 #include "octeontx_logs.h"
52 
53 struct octeontx_vdev_init_params {
54 	uint8_t	nr_port;
55 };
56 
57 enum octeontx_link_speed {
58 	OCTEONTX_LINK_SPEED_SGMII,
59 	OCTEONTX_LINK_SPEED_XAUI,
60 	OCTEONTX_LINK_SPEED_RXAUI,
61 	OCTEONTX_LINK_SPEED_10G_R,
62 	OCTEONTX_LINK_SPEED_40G_R,
63 	OCTEONTX_LINK_SPEED_RESERVE1,
64 	OCTEONTX_LINK_SPEED_QSGMII,
65 	OCTEONTX_LINK_SPEED_RESERVE2
66 };
67 
68 /* Parse integer from integer argument */
69 static int
70 parse_integer_arg(const char *key __rte_unused,
71 		const char *value, void *extra_args)
72 {
73 	int *i = (int *)extra_args;
74 
75 	*i = atoi(value);
76 	if (*i < 0) {
77 		octeontx_log_err("argument has to be positive.");
78 		return -1;
79 	}
80 
81 	return 0;
82 }
83 
84 static int
85 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params,
86 				struct rte_vdev_device *dev)
87 {
88 	struct rte_kvargs *kvlist = NULL;
89 	int ret = 0;
90 
91 	static const char * const octeontx_vdev_valid_params[] = {
92 		OCTEONTX_VDEV_NR_PORT_ARG,
93 		NULL
94 	};
95 
96 	const char *input_args = rte_vdev_device_args(dev);
97 	if (params == NULL)
98 		return -EINVAL;
99 
100 
101 	if (input_args) {
102 		kvlist = rte_kvargs_parse(input_args,
103 				octeontx_vdev_valid_params);
104 		if (kvlist == NULL)
105 			return -1;
106 
107 		ret = rte_kvargs_process(kvlist,
108 					OCTEONTX_VDEV_NR_PORT_ARG,
109 					&parse_integer_arg,
110 					&params->nr_port);
111 		if (ret < 0)
112 			goto free_kvlist;
113 	}
114 
115 free_kvlist:
116 	rte_kvargs_free(kvlist);
117 	return ret;
118 }
119 
120 static int
121 octeontx_port_open(struct octeontx_nic *nic)
122 {
123 	octeontx_mbox_bgx_port_conf_t bgx_port_conf;
124 	int res;
125 
126 	res = 0;
127 
128 	PMD_INIT_FUNC_TRACE();
129 
130 	res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf);
131 	if (res < 0) {
132 		octeontx_log_err("failed to open port %d", res);
133 		return res;
134 	}
135 
136 	nic->node = bgx_port_conf.node;
137 	nic->port_ena = bgx_port_conf.enable;
138 	nic->base_ichan = bgx_port_conf.base_chan;
139 	nic->base_ochan = bgx_port_conf.base_chan;
140 	nic->num_ichans = bgx_port_conf.num_chans;
141 	nic->num_ochans = bgx_port_conf.num_chans;
142 	nic->mtu = bgx_port_conf.mtu;
143 	nic->bpen = bgx_port_conf.bpen;
144 	nic->fcs_strip = bgx_port_conf.fcs_strip;
145 	nic->bcast_mode = bgx_port_conf.bcast_mode;
146 	nic->mcast_mode = bgx_port_conf.mcast_mode;
147 	nic->speed	= bgx_port_conf.mode;
148 
149 	memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0], ETHER_ADDR_LEN);
150 
151 	octeontx_log_dbg("port opened %d", nic->port_id);
152 	return res;
153 }
154 
155 static void
156 octeontx_port_close(struct octeontx_nic *nic)
157 {
158 	PMD_INIT_FUNC_TRACE();
159 
160 	octeontx_bgx_port_close(nic->port_id);
161 	octeontx_log_dbg("port closed %d", nic->port_id);
162 }
163 
164 static int
165 octeontx_port_start(struct octeontx_nic *nic)
166 {
167 	PMD_INIT_FUNC_TRACE();
168 
169 	return octeontx_bgx_port_start(nic->port_id);
170 }
171 
172 static int
173 octeontx_port_stop(struct octeontx_nic *nic)
174 {
175 	PMD_INIT_FUNC_TRACE();
176 
177 	return octeontx_bgx_port_stop(nic->port_id);
178 }
179 
180 static void
181 octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
182 {
183 	struct rte_eth_dev *dev;
184 	int res;
185 
186 	res = 0;
187 	PMD_INIT_FUNC_TRACE();
188 	dev = nic->dev;
189 
190 	res = octeontx_bgx_port_promisc_set(nic->port_id, en);
191 	if (res < 0)
192 		octeontx_log_err("failed to set promiscuous mode %d",
193 				nic->port_id);
194 
195 	/* Set proper flag for the mode */
196 	dev->data->promiscuous = (en != 0) ? 1 : 0;
197 
198 	octeontx_log_dbg("port %d : promiscuous mode %s",
199 			nic->port_id, en ? "set" : "unset");
200 }
201 
202 static int
203 octeontx_port_stats(struct octeontx_nic *nic, struct rte_eth_stats *stats)
204 {
205 	octeontx_mbox_bgx_port_stats_t bgx_stats;
206 	int res;
207 
208 	PMD_INIT_FUNC_TRACE();
209 
210 	res = octeontx_bgx_port_stats(nic->port_id, &bgx_stats);
211 	if (res < 0) {
212 		octeontx_log_err("failed to get port stats %d", nic->port_id);
213 		return res;
214 	}
215 
216 	stats->ipackets = bgx_stats.rx_packets;
217 	stats->ibytes = bgx_stats.rx_bytes;
218 	stats->imissed = bgx_stats.rx_dropped;
219 	stats->ierrors = bgx_stats.rx_errors;
220 	stats->opackets = bgx_stats.tx_packets;
221 	stats->obytes = bgx_stats.tx_bytes;
222 	stats->oerrors = bgx_stats.tx_errors;
223 
224 	octeontx_log_dbg("port%d stats inpkts=%" PRIx64 " outpkts=%" PRIx64 "",
225 			nic->port_id, stats->ipackets, stats->opackets);
226 
227 	return 0;
228 }
229 
230 static void
231 octeontx_port_stats_clr(struct octeontx_nic *nic)
232 {
233 	PMD_INIT_FUNC_TRACE();
234 
235 	octeontx_bgx_port_stats_clr(nic->port_id);
236 }
237 
238 static inline void
239 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
240 				struct rte_event_dev_info *info)
241 {
242 	memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
243 	dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
244 
245 	dev_conf->nb_event_ports = info->max_event_ports;
246 	dev_conf->nb_event_queues = info->max_event_queues;
247 
248 	dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
249 	dev_conf->nb_event_port_dequeue_depth =
250 			info->max_event_port_dequeue_depth;
251 	dev_conf->nb_event_port_enqueue_depth =
252 			info->max_event_port_enqueue_depth;
253 	dev_conf->nb_event_port_enqueue_depth =
254 			info->max_event_port_enqueue_depth;
255 	dev_conf->nb_events_limit =
256 			info->max_num_events;
257 }
258 
259 static int
260 octeontx_dev_configure(struct rte_eth_dev *dev)
261 {
262 	struct rte_eth_dev_data *data = dev->data;
263 	struct rte_eth_conf *conf = &data->dev_conf;
264 	struct rte_eth_rxmode *rxmode = &conf->rxmode;
265 	struct rte_eth_txmode *txmode = &conf->txmode;
266 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
267 	int ret;
268 
269 	PMD_INIT_FUNC_TRACE();
270 	RTE_SET_USED(conf);
271 
272 	if (!rte_eal_has_hugepages()) {
273 		octeontx_log_err("huge page is not configured");
274 		return -EINVAL;
275 	}
276 
277 	if (txmode->mq_mode) {
278 		octeontx_log_err("tx mq_mode DCB or VMDq not supported");
279 		return -EINVAL;
280 	}
281 
282 	if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
283 		rxmode->mq_mode != ETH_MQ_RX_RSS) {
284 		octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
285 		return -EINVAL;
286 	}
287 
288 	if (!rxmode->hw_strip_crc) {
289 		PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
290 		rxmode->hw_strip_crc = 1;
291 	}
292 
293 	if (rxmode->hw_ip_checksum) {
294 		PMD_INIT_LOG(NOTICE, "rxcksum not supported");
295 		rxmode->hw_ip_checksum = 0;
296 	}
297 
298 	if (rxmode->split_hdr_size) {
299 		octeontx_log_err("rxmode does not support split header");
300 		return -EINVAL;
301 	}
302 
303 	if (rxmode->hw_vlan_filter) {
304 		octeontx_log_err("VLAN filter not supported");
305 		return -EINVAL;
306 	}
307 
308 	if (rxmode->hw_vlan_extend) {
309 		octeontx_log_err("VLAN extended not supported");
310 		return -EINVAL;
311 	}
312 
313 	if (rxmode->enable_lro) {
314 		octeontx_log_err("LRO not supported");
315 		return -EINVAL;
316 	}
317 
318 	if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
319 		octeontx_log_err("setting link speed/duplex not supported");
320 		return -EINVAL;
321 	}
322 
323 	if (conf->dcb_capability_en) {
324 		octeontx_log_err("DCB enable not supported");
325 		return -EINVAL;
326 	}
327 
328 	if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
329 		octeontx_log_err("flow director not supported");
330 		return -EINVAL;
331 	}
332 
333 	nic->num_tx_queues = dev->data->nb_tx_queues;
334 
335 	ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ,
336 					nic->num_tx_queues,
337 					nic->base_ochan);
338 	if (ret) {
339 		octeontx_log_err("failed to open channel %d no-of-txq %d",
340 			   nic->base_ochan, nic->num_tx_queues);
341 		return -EFAULT;
342 	}
343 
344 	nic->pki.classifier_enable = false;
345 	nic->pki.hash_enable = true;
346 	nic->pki.initialized = false;
347 
348 	return 0;
349 }
350 
351 static void
352 octeontx_dev_close(struct rte_eth_dev *dev)
353 {
354 	struct octeontx_txq *txq = NULL;
355 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
356 	unsigned int i;
357 	int ret;
358 
359 	PMD_INIT_FUNC_TRACE();
360 
361 	rte_event_dev_close(nic->evdev);
362 
363 	ret = octeontx_pko_channel_close(nic->base_ochan);
364 	if (ret < 0) {
365 		octeontx_log_err("failed to close channel %d VF%d %d %d",
366 			     nic->base_ochan, nic->port_id, nic->num_tx_queues,
367 			     ret);
368 	}
369 	/* Free txq resources for this port */
370 	for (i = 0; i < nic->num_tx_queues; i++) {
371 		txq = dev->data->tx_queues[i];
372 		if (!txq)
373 			continue;
374 
375 		rte_free(txq);
376 	}
377 }
378 
379 static int
380 octeontx_dev_start(struct rte_eth_dev *dev)
381 {
382 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
383 	int ret;
384 
385 	ret = 0;
386 
387 	PMD_INIT_FUNC_TRACE();
388 	/*
389 	 * Tx start
390 	 */
391 	dev->tx_pkt_burst = octeontx_xmit_pkts;
392 	ret = octeontx_pko_channel_start(nic->base_ochan);
393 	if (ret < 0) {
394 		octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
395 			   nic->port_id, nic->num_tx_queues, nic->base_ochan,
396 			   ret);
397 		goto error;
398 	}
399 
400 	/*
401 	 * Rx start
402 	 */
403 	dev->rx_pkt_burst = octeontx_recv_pkts;
404 	ret = octeontx_pki_port_start(nic->port_id);
405 	if (ret < 0) {
406 		octeontx_log_err("fail to start Rx on port %d", nic->port_id);
407 		goto channel_stop_error;
408 	}
409 
410 	/*
411 	 * Start port
412 	 */
413 	ret = octeontx_port_start(nic);
414 	if (ret < 0) {
415 		octeontx_log_err("failed start port %d", ret);
416 		goto pki_port_stop_error;
417 	}
418 
419 	PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
420 			nic->base_ochan, nic->num_tx_queues, nic->port_id);
421 
422 	ret = rte_event_dev_start(nic->evdev);
423 	if (ret < 0) {
424 		octeontx_log_err("failed to start evdev: ret (%d)", ret);
425 		goto pki_port_stop_error;
426 	}
427 
428 	/* Success */
429 	return ret;
430 
431 pki_port_stop_error:
432 	octeontx_pki_port_stop(nic->port_id);
433 channel_stop_error:
434 	octeontx_pko_channel_stop(nic->base_ochan);
435 error:
436 	return ret;
437 }
438 
439 static void
440 octeontx_dev_stop(struct rte_eth_dev *dev)
441 {
442 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
443 	int ret;
444 
445 	PMD_INIT_FUNC_TRACE();
446 
447 	rte_event_dev_stop(nic->evdev);
448 
449 	ret = octeontx_port_stop(nic);
450 	if (ret < 0) {
451 		octeontx_log_err("failed to req stop port %d res=%d",
452 					nic->port_id, ret);
453 		return;
454 	}
455 
456 	ret = octeontx_pki_port_stop(nic->port_id);
457 	if (ret < 0) {
458 		octeontx_log_err("failed to stop pki port %d res=%d",
459 					nic->port_id, ret);
460 		return;
461 	}
462 
463 	ret = octeontx_pko_channel_stop(nic->base_ochan);
464 	if (ret < 0) {
465 		octeontx_log_err("failed to stop channel %d VF%d %d %d",
466 			     nic->base_ochan, nic->port_id, nic->num_tx_queues,
467 			     ret);
468 		return;
469 	}
470 
471 	dev->tx_pkt_burst = NULL;
472 	dev->rx_pkt_burst = NULL;
473 }
474 
475 static void
476 octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
477 {
478 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
479 
480 	PMD_INIT_FUNC_TRACE();
481 	octeontx_port_promisc_set(nic, 1);
482 }
483 
484 static void
485 octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
486 {
487 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
488 
489 	PMD_INIT_FUNC_TRACE();
490 	octeontx_port_promisc_set(nic, 0);
491 }
492 
493 static inline int
494 octeontx_atomic_write_link_status(struct rte_eth_dev *dev,
495 				  struct rte_eth_link *link)
496 {
497 	struct rte_eth_link *dst = &dev->data->dev_link;
498 	struct rte_eth_link *src = link;
499 
500 	if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
501 		*(uint64_t *)src) == 0)
502 		return -1;
503 
504 	return 0;
505 }
506 
507 static int
508 octeontx_port_link_status(struct octeontx_nic *nic)
509 {
510 	int res;
511 
512 	PMD_INIT_FUNC_TRACE();
513 	res = octeontx_bgx_port_link_status(nic->port_id);
514 	if (res < 0) {
515 		octeontx_log_err("failed to get port %d link status",
516 				nic->port_id);
517 		return res;
518 	}
519 
520 	nic->link_up = (uint8_t)res;
521 	octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
522 
523 	return res;
524 }
525 
526 /*
527  * Return 0 means link status changed, -1 means not changed
528  */
529 static int
530 octeontx_dev_link_update(struct rte_eth_dev *dev,
531 			 int wait_to_complete __rte_unused)
532 {
533 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
534 	struct rte_eth_link link;
535 	int res;
536 
537 	res = 0;
538 	PMD_INIT_FUNC_TRACE();
539 
540 	res = octeontx_port_link_status(nic);
541 	if (res < 0) {
542 		octeontx_log_err("failed to request link status %d", res);
543 		return res;
544 	}
545 
546 	link.link_status = nic->link_up;
547 
548 	switch (nic->speed) {
549 	case OCTEONTX_LINK_SPEED_SGMII:
550 		link.link_speed = ETH_SPEED_NUM_1G;
551 		break;
552 
553 	case OCTEONTX_LINK_SPEED_XAUI:
554 		link.link_speed = ETH_SPEED_NUM_10G;
555 		break;
556 
557 	case OCTEONTX_LINK_SPEED_RXAUI:
558 	case OCTEONTX_LINK_SPEED_10G_R:
559 		link.link_speed = ETH_SPEED_NUM_10G;
560 		break;
561 	case OCTEONTX_LINK_SPEED_QSGMII:
562 		link.link_speed = ETH_SPEED_NUM_5G;
563 		break;
564 	case OCTEONTX_LINK_SPEED_40G_R:
565 		link.link_speed = ETH_SPEED_NUM_40G;
566 		break;
567 
568 	case OCTEONTX_LINK_SPEED_RESERVE1:
569 	case OCTEONTX_LINK_SPEED_RESERVE2:
570 	default:
571 		octeontx_log_err("incorrect link speed %d", nic->speed);
572 		break;
573 	}
574 
575 	link.link_duplex = ETH_LINK_AUTONEG;
576 	link.link_autoneg = ETH_LINK_SPEED_AUTONEG;
577 
578 	return octeontx_atomic_write_link_status(dev, &link);
579 }
580 
581 static int
582 octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
583 {
584 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
585 
586 	PMD_INIT_FUNC_TRACE();
587 	return octeontx_port_stats(nic, stats);
588 }
589 
590 static void
591 octeontx_dev_stats_reset(struct rte_eth_dev *dev)
592 {
593 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
594 
595 	PMD_INIT_FUNC_TRACE();
596 	octeontx_port_stats_clr(nic);
597 }
598 
599 static void
600 octeontx_dev_default_mac_addr_set(struct rte_eth_dev *dev,
601 					struct ether_addr *addr)
602 {
603 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
604 	int ret;
605 
606 	ret = octeontx_bgx_port_mac_set(nic->port_id, addr->addr_bytes);
607 	if (ret != 0)
608 		octeontx_log_err("failed to set MAC address on port %d",
609 				nic->port_id);
610 }
611 
612 static void
613 octeontx_dev_info(struct rte_eth_dev *dev,
614 		struct rte_eth_dev_info *dev_info)
615 {
616 	RTE_SET_USED(dev);
617 
618 	/* Autonegotiation may be disabled */
619 	dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
620 	dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
621 			ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
622 			ETH_LINK_SPEED_40G;
623 
624 	dev_info->driver_name = RTE_STR(rte_octeontx_pmd);
625 	dev_info->max_mac_addrs = 1;
626 	dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
627 	dev_info->max_rx_queues = 1;
628 	dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
629 	dev_info->min_rx_bufsize = 0;
630 	dev_info->pci_dev = NULL;
631 
632 	dev_info->default_rxconf = (struct rte_eth_rxconf) {
633 		.rx_free_thresh = 0,
634 		.rx_drop_en = 0,
635 	};
636 
637 	dev_info->default_txconf = (struct rte_eth_txconf) {
638 		.tx_free_thresh = 0,
639 		.txq_flags =
640 			ETH_TXQ_FLAGS_NOMULTSEGS |
641 			ETH_TXQ_FLAGS_NOOFFLOADS |
642 			ETH_TXQ_FLAGS_NOXSUMS,
643 	};
644 
645 	dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE;
646 }
647 
648 static void
649 octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
650 {
651 	((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
652 	((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
653 	((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
654 }
655 
656 static int
657 octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
658 				uint16_t qidx)
659 {
660 	struct octeontx_txq *txq;
661 	int res;
662 
663 	PMD_INIT_FUNC_TRACE();
664 
665 	if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
666 		return 0;
667 
668 	txq = dev->data->tx_queues[qidx];
669 
670 	res = octeontx_pko_channel_query_dqs(nic->base_ochan,
671 						&txq->dq,
672 						sizeof(octeontx_dq_t),
673 						txq->queue_id,
674 						octeontx_dq_info_getter);
675 	if (res < 0) {
676 		res = -EFAULT;
677 		goto close_port;
678 	}
679 
680 	dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
681 	return res;
682 
683 close_port:
684 	(void)octeontx_port_stop(nic);
685 	octeontx_pko_channel_stop(nic->base_ochan);
686 	octeontx_pko_channel_close(nic->base_ochan);
687 	dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
688 	return res;
689 }
690 
691 static int
692 octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
693 {
694 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
695 
696 	PMD_INIT_FUNC_TRACE();
697 	qidx = qidx % PKO_VF_NUM_DQ;
698 	return octeontx_vf_start_tx_queue(dev, nic, qidx);
699 }
700 
701 static inline int
702 octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
703 			  uint16_t qidx)
704 {
705 	int ret = 0;
706 
707 	RTE_SET_USED(nic);
708 	PMD_INIT_FUNC_TRACE();
709 
710 	if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
711 		return 0;
712 
713 	dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
714 	return ret;
715 }
716 
717 static int
718 octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
719 {
720 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
721 
722 	PMD_INIT_FUNC_TRACE();
723 	qidx = qidx % PKO_VF_NUM_DQ;
724 
725 	return octeontx_vf_stop_tx_queue(dev, nic, qidx);
726 }
727 
728 static void
729 octeontx_dev_tx_queue_release(void *tx_queue)
730 {
731 	struct octeontx_txq *txq = tx_queue;
732 	int res;
733 
734 	PMD_INIT_FUNC_TRACE();
735 
736 	if (txq) {
737 		res = octeontx_dev_tx_queue_stop(txq->eth_dev, txq->queue_id);
738 		if (res < 0)
739 			octeontx_log_err("failed stop tx_queue(%d)\n",
740 				   txq->queue_id);
741 
742 		rte_free(txq);
743 	}
744 }
745 
746 static int
747 octeontx_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
748 			    uint16_t nb_desc, unsigned int socket_id,
749 			    const struct rte_eth_txconf *tx_conf)
750 {
751 	struct octeontx_nic *nic = octeontx_pmd_priv(dev);
752 	struct octeontx_txq *txq = NULL;
753 	uint16_t dq_num;
754 	int res = 0;
755 
756 	RTE_SET_USED(nb_desc);
757 	RTE_SET_USED(socket_id);
758 	RTE_SET_USED(tx_conf);
759 
760 	dq_num = (nic->port_id * 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 	uint8_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;
893 		pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
894 		pktbuf_conf.mbuff_size = (mb_pool->elt_size -
895 					RTE_PKTMBUF_HEADROOM -
896 					sizeof(struct rte_mbuf));
897 
898 		pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;
899 
900 		ret = octeontx_pki_port_pktbuf_config(port, &pktbuf_conf);
901 		if (ret != 0) {
902 			octeontx_log_err("fail to configure pktbuf for port %d",
903 					port);
904 			rte_free(rxq);
905 			return ret;
906 		}
907 		PMD_RX_LOG(DEBUG, "Port %d Rx pktbuf configured:\n"
908 				"\tmbuf_size:\t0x%0x\n"
909 				"\twqe_skip:\t0x%0x\n"
910 				"\tfirst_skip:\t0x%0x\n"
911 				"\tlater_skip:\t0x%0x\n"
912 				"\tcache_mode:\t%s\n",
913 				port,
914 				pktbuf_conf.mbuff_size,
915 				pktbuf_conf.wqe_skip,
916 				pktbuf_conf.first_skip,
917 				pktbuf_conf.later_skip,
918 				(pktbuf_conf.cache_mode ==
919 						PKI_OPC_MODE_STT) ?
920 				"STT" :
921 				(pktbuf_conf.cache_mode ==
922 						PKI_OPC_MODE_STF) ?
923 				"STF" :
924 				(pktbuf_conf.cache_mode ==
925 						PKI_OPC_MODE_STF1_STT) ?
926 				"STF1_STT" : "STF2_STT");
927 
928 		if (nic->pki.hash_enable) {
929 			pki_hash.tag_dlc = 1;
930 			pki_hash.tag_slc = 1;
931 			pki_hash.tag_dlf = 1;
932 			pki_hash.tag_slf = 1;
933 			pki_hash.tag_prt = 1;
934 			octeontx_pki_port_hash_config(port, &pki_hash);
935 		}
936 
937 		pool = (uintptr_t)mb_pool->pool_id;
938 
939 		/* Get the gpool Id */
940 		gaura = octeontx_fpa_bufpool_gpool(pool);
941 
942 		pki_qos.qpg_qos = PKI_QPG_QOS_NONE;
943 		pki_qos.num_entry = 1;
944 		pki_qos.drop_policy = 0;
945 		pki_qos.tag_type = 0L;
946 		pki_qos.qos_entry[0].port_add = 0;
947 		pki_qos.qos_entry[0].gaura = gaura;
948 		pki_qos.qos_entry[0].ggrp_ok = ev_queues;
949 		pki_qos.qos_entry[0].ggrp_bad = ev_queues;
950 		pki_qos.qos_entry[0].grptag_bad = 0;
951 		pki_qos.qos_entry[0].grptag_ok = 0;
952 
953 		ret = octeontx_pki_port_create_qos(port, &pki_qos);
954 		if (ret < 0) {
955 			octeontx_log_err("failed to create QOS port=%d, q=%d",
956 					port, qidx);
957 			rte_free(rxq);
958 			return ret;
959 		}
960 		nic->pki.initialized = true;
961 	}
962 
963 	rxq->port_id = nic->port_id;
964 	rxq->eth_dev = dev;
965 	rxq->queue_id = qidx;
966 	rxq->evdev = nic->evdev;
967 	rxq->ev_queues = ev_queues;
968 	rxq->ev_ports = ev_ports;
969 
970 	dev->data->rx_queues[qidx] = rxq;
971 	dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
972 	return 0;
973 }
974 
975 static void
976 octeontx_dev_rx_queue_release(void *rxq)
977 {
978 	rte_free(rxq);
979 }
980 
981 static const uint32_t *
982 octeontx_dev_supported_ptypes_get(struct rte_eth_dev *dev)
983 {
984 	static const uint32_t ptypes[] = {
985 		RTE_PTYPE_L3_IPV4,
986 		RTE_PTYPE_L3_IPV4_EXT,
987 		RTE_PTYPE_L3_IPV6,
988 		RTE_PTYPE_L3_IPV6_EXT,
989 		RTE_PTYPE_L4_TCP,
990 		RTE_PTYPE_L4_UDP,
991 		RTE_PTYPE_L4_FRAG,
992 		RTE_PTYPE_UNKNOWN
993 	};
994 
995 	if (dev->rx_pkt_burst == octeontx_recv_pkts)
996 		return ptypes;
997 
998 	return NULL;
999 }
1000 
1001 /* Initialize and register driver with DPDK Application */
1002 static const struct eth_dev_ops octeontx_dev_ops = {
1003 	.dev_configure		 = octeontx_dev_configure,
1004 	.dev_infos_get		 = octeontx_dev_info,
1005 	.dev_close		 = octeontx_dev_close,
1006 	.dev_start		 = octeontx_dev_start,
1007 	.dev_stop		 = octeontx_dev_stop,
1008 	.promiscuous_enable	 = octeontx_dev_promisc_enable,
1009 	.promiscuous_disable	 = octeontx_dev_promisc_disable,
1010 	.link_update		 = octeontx_dev_link_update,
1011 	.stats_get		 = octeontx_dev_stats_get,
1012 	.stats_reset		 = octeontx_dev_stats_reset,
1013 	.mac_addr_set		 = octeontx_dev_default_mac_addr_set,
1014 	.tx_queue_start		 = octeontx_dev_tx_queue_start,
1015 	.tx_queue_stop		 = octeontx_dev_tx_queue_stop,
1016 	.tx_queue_setup		 = octeontx_dev_tx_queue_setup,
1017 	.tx_queue_release	 = octeontx_dev_tx_queue_release,
1018 	.rx_queue_setup		 = octeontx_dev_rx_queue_setup,
1019 	.rx_queue_release	 = octeontx_dev_rx_queue_release,
1020 	.dev_supported_ptypes_get = octeontx_dev_supported_ptypes_get,
1021 };
1022 
1023 /* Create Ethdev interface per BGX LMAC ports */
1024 static int
1025 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
1026 			int socket_id)
1027 {
1028 	int res;
1029 	char octtx_name[OCTEONTX_MAX_NAME_LEN];
1030 	struct octeontx_nic *nic = NULL;
1031 	struct rte_eth_dev *eth_dev = NULL;
1032 	struct rte_eth_dev_data *data = NULL;
1033 	const char *name = rte_vdev_device_name(dev);
1034 
1035 	PMD_INIT_FUNC_TRACE();
1036 
1037 	sprintf(octtx_name, "%s_%d", name, port);
1038 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1039 		eth_dev = rte_eth_dev_attach_secondary(octtx_name);
1040 		if (eth_dev == NULL)
1041 			return -ENODEV;
1042 
1043 		eth_dev->tx_pkt_burst = octeontx_xmit_pkts;
1044 		eth_dev->rx_pkt_burst = octeontx_recv_pkts;
1045 		return 0;
1046 	}
1047 
1048 	data = rte_zmalloc_socket(octtx_name, sizeof(*data), 0, socket_id);
1049 	if (data == NULL) {
1050 		octeontx_log_err("failed to allocate devdata");
1051 		res = -ENOMEM;
1052 		goto err;
1053 	}
1054 
1055 	nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
1056 	if (nic == NULL) {
1057 		octeontx_log_err("failed to allocate nic structure");
1058 		res = -ENOMEM;
1059 		goto err;
1060 	}
1061 
1062 	nic->port_id = port;
1063 	nic->evdev = evdev;
1064 
1065 	res = octeontx_port_open(nic);
1066 	if (res < 0)
1067 		goto err;
1068 
1069 	/* Rx side port configuration */
1070 	res = octeontx_pki_port_open(port);
1071 	if (res != 0) {
1072 		octeontx_log_err("failed to open PKI port %d", port);
1073 		res = -ENODEV;
1074 		goto err;
1075 	}
1076 
1077 	/* Reserve an ethdev entry */
1078 	eth_dev = rte_eth_dev_allocate(octtx_name);
1079 	if (eth_dev == NULL) {
1080 		octeontx_log_err("failed to allocate rte_eth_dev");
1081 		res = -ENOMEM;
1082 		goto err;
1083 	}
1084 
1085 	eth_dev->device = &dev->device;
1086 	eth_dev->intr_handle = NULL;
1087 	eth_dev->data->kdrv = RTE_KDRV_NONE;
1088 	eth_dev->data->numa_node = dev->device.numa_node;
1089 
1090 	rte_memcpy(data, (eth_dev)->data, sizeof(*data));
1091 	data->dev_private = nic;
1092 
1093 	data->port_id = eth_dev->data->port_id;
1094 	snprintf(data->name, sizeof(data->name), "%s", eth_dev->data->name);
1095 
1096 	nic->ev_queues = 1;
1097 	nic->ev_ports = 1;
1098 
1099 	data->dev_link.link_status = ETH_LINK_DOWN;
1100 	data->dev_started = 0;
1101 	data->promiscuous = 0;
1102 	data->all_multicast = 0;
1103 	data->scattered_rx = 0;
1104 
1105 	data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0,
1106 							socket_id);
1107 	if (data->mac_addrs == NULL) {
1108 		octeontx_log_err("failed to allocate memory for mac_addrs");
1109 		res = -ENOMEM;
1110 		goto err;
1111 	}
1112 
1113 	eth_dev->data = data;
1114 	eth_dev->dev_ops = &octeontx_dev_ops;
1115 
1116 	/* Finally save ethdev pointer to the NIC structure */
1117 	nic->dev = eth_dev;
1118 
1119 	if (nic->port_id != data->port_id) {
1120 		octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
1121 				data->port_id, nic->port_id);
1122 		res = -EINVAL;
1123 		goto err;
1124 	}
1125 
1126 	/* Update port_id mac to eth_dev */
1127 	memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN);
1128 
1129 	PMD_INIT_LOG(DEBUG, "ethdev info: ");
1130 	PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
1131 				nic->port_id, nic->port_ena,
1132 				nic->base_ochan, nic->num_ochans,
1133 				nic->num_tx_queues);
1134 	PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
1135 
1136 	return data->port_id;
1137 
1138 err:
1139 	if (port)
1140 		octeontx_port_close(nic);
1141 
1142 	if (eth_dev != NULL) {
1143 		rte_free(eth_dev->data->mac_addrs);
1144 		rte_free(data);
1145 		rte_free(nic);
1146 		rte_eth_dev_release_port(eth_dev);
1147 	}
1148 
1149 	return res;
1150 }
1151 
1152 /* Un initialize octeontx device */
1153 static int
1154 octeontx_remove(struct rte_vdev_device *dev)
1155 {
1156 	char octtx_name[OCTEONTX_MAX_NAME_LEN];
1157 	struct rte_eth_dev *eth_dev = NULL;
1158 	struct octeontx_nic *nic = NULL;
1159 	int i;
1160 
1161 	if (dev == NULL)
1162 		return -EINVAL;
1163 
1164 	for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
1165 		sprintf(octtx_name, "eth_octeontx_%d", i);
1166 
1167 		/* reserve an ethdev entry */
1168 		eth_dev = rte_eth_dev_allocated(octtx_name);
1169 		if (eth_dev == NULL)
1170 			return -ENODEV;
1171 
1172 		nic = octeontx_pmd_priv(eth_dev);
1173 		rte_event_dev_stop(nic->evdev);
1174 		PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
1175 
1176 		rte_free(eth_dev->data->mac_addrs);
1177 		rte_free(eth_dev->data->dev_private);
1178 		rte_free(eth_dev->data);
1179 		rte_eth_dev_release_port(eth_dev);
1180 		rte_event_dev_close(nic->evdev);
1181 	}
1182 
1183 	/* Free FC resource */
1184 	octeontx_pko_fc_free();
1185 
1186 	return 0;
1187 }
1188 
1189 /* Initialize octeontx device */
1190 static int
1191 octeontx_probe(struct rte_vdev_device *dev)
1192 {
1193 	const char *dev_name;
1194 	static int probe_once;
1195 	uint8_t socket_id, qlist;
1196 	int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
1197 	struct rte_event_dev_config dev_conf;
1198 	const char *eventdev_name = "event_octeontx";
1199 	struct rte_event_dev_info info;
1200 
1201 	struct octeontx_vdev_init_params init_params = {
1202 		OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
1203 	};
1204 
1205 	dev_name = rte_vdev_device_name(dev);
1206 	res = octeontx_parse_vdev_init_params(&init_params, dev);
1207 	if (res < 0)
1208 		return -EINVAL;
1209 
1210 	if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
1211 		octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
1212 				OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
1213 		return -ENOTSUP;
1214 	}
1215 
1216 	PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
1217 
1218 	socket_id = rte_socket_id();
1219 
1220 	tx_vfcnt = octeontx_pko_vf_count();
1221 
1222 	if (tx_vfcnt < init_params.nr_port) {
1223 		octeontx_log_err("not enough PKO (%d) for port number (%d)",
1224 				tx_vfcnt, init_params.nr_port);
1225 		return -EINVAL;
1226 	}
1227 	evdev = rte_event_dev_get_dev_id(eventdev_name);
1228 	if (evdev < 0) {
1229 		octeontx_log_err("eventdev %s not found", eventdev_name);
1230 		return -ENODEV;
1231 	}
1232 
1233 	res = rte_event_dev_info_get(evdev, &info);
1234 	if (res < 0) {
1235 		octeontx_log_err("failed to eventdev info %d", res);
1236 		return -EINVAL;
1237 	}
1238 
1239 	PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
1240 			info.max_event_queues, info.max_event_ports);
1241 
1242 	if (octeontx_pko_init_fc(tx_vfcnt))
1243 		return -ENOMEM;
1244 
1245 	devconf_set_default_sane_values(&dev_conf, &info);
1246 	res = rte_event_dev_configure(evdev, &dev_conf);
1247 	if (res < 0)
1248 		goto parse_error;
1249 
1250 	rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
1251 			(uint32_t *)&pnum);
1252 	rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
1253 			(uint32_t *)&qnum);
1254 	if (pnum < qnum) {
1255 		octeontx_log_err("too few event ports (%d) for event_q(%d)",
1256 				pnum, qnum);
1257 		res = -EINVAL;
1258 		goto parse_error;
1259 	}
1260 	if (pnum > qnum) {
1261 		/*
1262 		 * We don't poll on event ports
1263 		 * that do not have any queues assigned.
1264 		 */
1265 		pnum = qnum;
1266 		PMD_INIT_LOG(INFO,
1267 			"reducing number of active event ports to %d", pnum);
1268 	}
1269 	for (i = 0; i < qnum; i++) {
1270 		res = rte_event_queue_setup(evdev, i, NULL);
1271 		if (res < 0) {
1272 			octeontx_log_err("failed to setup event_q(%d): res %d",
1273 					i, res);
1274 			goto parse_error;
1275 		}
1276 	}
1277 
1278 	for (i = 0; i < pnum; i++) {
1279 		res = rte_event_port_setup(evdev, i, NULL);
1280 		if (res < 0) {
1281 			res = -ENODEV;
1282 			octeontx_log_err("failed to setup ev port(%d) res=%d",
1283 						i, res);
1284 			goto parse_error;
1285 		}
1286 		/* Link one queue to one event port */
1287 		qlist = i;
1288 		res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
1289 		if (res < 0) {
1290 			res = -ENODEV;
1291 			octeontx_log_err("failed to link port (%d): res=%d",
1292 					i, res);
1293 			goto parse_error;
1294 		}
1295 	}
1296 
1297 	/* Create ethdev interface */
1298 	for (i = 0; i < init_params.nr_port; i++) {
1299 		port_id = octeontx_create(dev, i, evdev, socket_id);
1300 		if (port_id < 0) {
1301 			octeontx_log_err("failed to create device %s",
1302 					dev_name);
1303 			res = -ENODEV;
1304 			goto parse_error;
1305 		}
1306 
1307 		PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
1308 					port_id);
1309 	}
1310 
1311 	if (probe_once) {
1312 		octeontx_log_err("interface %s not supported", dev_name);
1313 		octeontx_remove(dev);
1314 		res = -ENOTSUP;
1315 		goto parse_error;
1316 	}
1317 	probe_once = 1;
1318 
1319 	return 0;
1320 
1321 parse_error:
1322 	octeontx_pko_fc_free();
1323 	return res;
1324 }
1325 
1326 static struct rte_vdev_driver octeontx_pmd_drv = {
1327 	.probe = octeontx_probe,
1328 	.remove = octeontx_remove,
1329 };
1330 
1331 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
1332 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
1333 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");
1334