xref: /dpdk/drivers/net/cxgbe/cxgbe_ethdev.c (revision dd7c9f12762e69eb4fdce16c1b01547a67a8ab2c)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2014-2018 Chelsio Communications.
3  * All rights reserved.
4  */
5 
6 #include <sys/queue.h>
7 #include <stdio.h>
8 #include <errno.h>
9 #include <stdint.h>
10 #include <string.h>
11 #include <unistd.h>
12 #include <stdarg.h>
13 #include <inttypes.h>
14 #include <netinet/in.h>
15 
16 #include <rte_byteorder.h>
17 #include <rte_common.h>
18 #include <rte_cycles.h>
19 #include <rte_interrupts.h>
20 #include <rte_log.h>
21 #include <rte_debug.h>
22 #include <rte_pci.h>
23 #include <rte_bus_pci.h>
24 #include <rte_atomic.h>
25 #include <rte_branch_prediction.h>
26 #include <rte_memory.h>
27 #include <rte_tailq.h>
28 #include <rte_eal.h>
29 #include <rte_alarm.h>
30 #include <rte_ether.h>
31 #include <rte_ethdev_driver.h>
32 #include <rte_ethdev_pci.h>
33 #include <rte_malloc.h>
34 #include <rte_random.h>
35 #include <rte_dev.h>
36 
37 #include "cxgbe.h"
38 #include "cxgbe_pfvf.h"
39 #include "cxgbe_flow.h"
40 
41 int cxgbe_logtype;
42 int cxgbe_mbox_logtype;
43 
44 /*
45  * Macros needed to support the PCI Device ID Table ...
46  */
47 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \
48 	static const struct rte_pci_id cxgb4_pci_tbl[] = {
49 #define CH_PCI_DEVICE_ID_FUNCTION 0x4
50 
51 #define PCI_VENDOR_ID_CHELSIO 0x1425
52 
53 #define CH_PCI_ID_TABLE_ENTRY(devid) \
54 		{ RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) }
55 
56 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \
57 		{ .vendor_id = 0, } \
58 	}
59 
60 /*
61  *... and the PCI ID Table itself ...
62  */
63 #include "base/t4_pci_id_tbl.h"
64 
65 uint16_t cxgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
66 			 uint16_t nb_pkts)
67 {
68 	struct sge_eth_txq *txq = (struct sge_eth_txq *)tx_queue;
69 	uint16_t pkts_sent, pkts_remain;
70 	uint16_t total_sent = 0;
71 	uint16_t idx = 0;
72 	int ret = 0;
73 
74 	t4_os_lock(&txq->txq_lock);
75 	/* free up desc from already completed tx */
76 	reclaim_completed_tx(&txq->q);
77 	rte_prefetch0(rte_pktmbuf_mtod(tx_pkts[0], volatile void *));
78 	while (total_sent < nb_pkts) {
79 		pkts_remain = nb_pkts - total_sent;
80 
81 		for (pkts_sent = 0; pkts_sent < pkts_remain; pkts_sent++) {
82 			idx = total_sent + pkts_sent;
83 			if ((idx + 1) < nb_pkts)
84 				rte_prefetch0(rte_pktmbuf_mtod(tx_pkts[idx + 1],
85 							volatile void *));
86 			ret = t4_eth_xmit(txq, tx_pkts[idx], nb_pkts);
87 			if (ret < 0)
88 				break;
89 		}
90 		if (!pkts_sent)
91 			break;
92 		total_sent += pkts_sent;
93 		/* reclaim as much as possible */
94 		reclaim_completed_tx(&txq->q);
95 	}
96 
97 	t4_os_unlock(&txq->txq_lock);
98 	return total_sent;
99 }
100 
101 uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
102 			 uint16_t nb_pkts)
103 {
104 	struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)rx_queue;
105 	unsigned int work_done;
106 
107 	if (cxgbe_poll(&rxq->rspq, rx_pkts, (unsigned int)nb_pkts, &work_done))
108 		dev_err(adapter, "error in cxgbe poll\n");
109 
110 	return work_done;
111 }
112 
113 int cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
114 			struct rte_eth_dev_info *device_info)
115 {
116 	struct port_info *pi = eth_dev->data->dev_private;
117 	struct adapter *adapter = pi->adapter;
118 	int max_queues = adapter->sge.max_ethqsets / adapter->params.nports;
119 
120 	static const struct rte_eth_desc_lim cxgbe_desc_lim = {
121 		.nb_max = CXGBE_MAX_RING_DESC_SIZE,
122 		.nb_min = CXGBE_MIN_RING_DESC_SIZE,
123 		.nb_align = 1,
124 	};
125 
126 	device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE;
127 	device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN;
128 	device_info->max_rx_queues = max_queues;
129 	device_info->max_tx_queues = max_queues;
130 	device_info->max_mac_addrs = 1;
131 	/* XXX: For now we support one MAC/port */
132 	device_info->max_vfs = adapter->params.arch.vfcount;
133 	device_info->max_vmdq_pools = 0; /* XXX: For now no support for VMDQ */
134 
135 	device_info->rx_queue_offload_capa = 0UL;
136 	device_info->rx_offload_capa = CXGBE_RX_OFFLOADS;
137 
138 	device_info->tx_queue_offload_capa = 0UL;
139 	device_info->tx_offload_capa = CXGBE_TX_OFFLOADS;
140 
141 	device_info->reta_size = pi->rss_size;
142 	device_info->hash_key_size = CXGBE_DEFAULT_RSS_KEY_LEN;
143 	device_info->flow_type_rss_offloads = CXGBE_RSS_HF_ALL;
144 
145 	device_info->rx_desc_lim = cxgbe_desc_lim;
146 	device_info->tx_desc_lim = cxgbe_desc_lim;
147 	cxgbe_get_speed_caps(pi, &device_info->speed_capa);
148 
149 	return 0;
150 }
151 
152 int cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
153 {
154 	struct port_info *pi = eth_dev->data->dev_private;
155 	struct adapter *adapter = pi->adapter;
156 
157 	return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
158 			     1, -1, 1, -1, false);
159 }
160 
161 int cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
162 {
163 	struct port_info *pi = eth_dev->data->dev_private;
164 	struct adapter *adapter = pi->adapter;
165 
166 	return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
167 			     0, -1, 1, -1, false);
168 }
169 
170 int cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
171 {
172 	struct port_info *pi = eth_dev->data->dev_private;
173 	struct adapter *adapter = pi->adapter;
174 
175 	/* TODO: address filters ?? */
176 
177 	return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
178 			     -1, 1, 1, -1, false);
179 }
180 
181 int cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
182 {
183 	struct port_info *pi = eth_dev->data->dev_private;
184 	struct adapter *adapter = pi->adapter;
185 
186 	/* TODO: address filters ?? */
187 
188 	return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
189 			     -1, 0, 1, -1, false);
190 }
191 
192 int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
193 			  int wait_to_complete)
194 {
195 	struct port_info *pi = eth_dev->data->dev_private;
196 	struct adapter *adapter = pi->adapter;
197 	struct sge *s = &adapter->sge;
198 	struct rte_eth_link new_link = { 0 };
199 	unsigned int i, work_done, budget = 32;
200 	u8 old_link = pi->link_cfg.link_ok;
201 
202 	for (i = 0; i < CXGBE_LINK_STATUS_POLL_CNT; i++) {
203 		if (!s->fw_evtq.desc)
204 			break;
205 
206 		cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
207 
208 		/* Exit if link status changed or always forced up */
209 		if (pi->link_cfg.link_ok != old_link ||
210 		    cxgbe_force_linkup(adapter))
211 			break;
212 
213 		if (!wait_to_complete)
214 			break;
215 
216 		rte_delay_ms(CXGBE_LINK_STATUS_POLL_MS);
217 	}
218 
219 	new_link.link_status = cxgbe_force_linkup(adapter) ?
220 			       ETH_LINK_UP : pi->link_cfg.link_ok;
221 	new_link.link_autoneg = pi->link_cfg.autoneg;
222 	new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
223 	new_link.link_speed = pi->link_cfg.speed;
224 
225 	return rte_eth_linkstatus_set(eth_dev, &new_link);
226 }
227 
228 /**
229  * Set device link up.
230  */
231 int cxgbe_dev_set_link_up(struct rte_eth_dev *dev)
232 {
233 	struct port_info *pi = dev->data->dev_private;
234 	struct adapter *adapter = pi->adapter;
235 	unsigned int work_done, budget = 32;
236 	struct sge *s = &adapter->sge;
237 	int ret;
238 
239 	if (!s->fw_evtq.desc)
240 		return -ENOMEM;
241 
242 	/* Flush all link events */
243 	cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
244 
245 	/* If link already up, nothing to do */
246 	if (pi->link_cfg.link_ok)
247 		return 0;
248 
249 	ret = cxgbe_set_link_status(pi, true);
250 	if (ret)
251 		return ret;
252 
253 	cxgbe_dev_link_update(dev, 1);
254 	return 0;
255 }
256 
257 /**
258  * Set device link down.
259  */
260 int cxgbe_dev_set_link_down(struct rte_eth_dev *dev)
261 {
262 	struct port_info *pi = dev->data->dev_private;
263 	struct adapter *adapter = pi->adapter;
264 	unsigned int work_done, budget = 32;
265 	struct sge *s = &adapter->sge;
266 	int ret;
267 
268 	if (!s->fw_evtq.desc)
269 		return -ENOMEM;
270 
271 	/* Flush all link events */
272 	cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
273 
274 	/* If link already down, nothing to do */
275 	if (!pi->link_cfg.link_ok)
276 		return 0;
277 
278 	ret = cxgbe_set_link_status(pi, false);
279 	if (ret)
280 		return ret;
281 
282 	cxgbe_dev_link_update(dev, 0);
283 	return 0;
284 }
285 
286 int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
287 {
288 	struct port_info *pi = eth_dev->data->dev_private;
289 	struct adapter *adapter = pi->adapter;
290 	struct rte_eth_dev_info dev_info;
291 	int err;
292 	uint16_t new_mtu = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
293 
294 	err = cxgbe_dev_info_get(eth_dev, &dev_info);
295 	if (err != 0)
296 		return err;
297 
298 	/* Must accommodate at least RTE_ETHER_MIN_MTU */
299 	if (new_mtu < RTE_ETHER_MIN_MTU || new_mtu > dev_info.max_rx_pktlen)
300 		return -EINVAL;
301 
302 	/* set to jumbo mode if needed */
303 	if (new_mtu > RTE_ETHER_MAX_LEN)
304 		eth_dev->data->dev_conf.rxmode.offloads |=
305 			DEV_RX_OFFLOAD_JUMBO_FRAME;
306 	else
307 		eth_dev->data->dev_conf.rxmode.offloads &=
308 			~DEV_RX_OFFLOAD_JUMBO_FRAME;
309 
310 	err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1,
311 			    -1, -1, true);
312 	if (!err)
313 		eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_mtu;
314 
315 	return err;
316 }
317 
318 /*
319  * Stop device.
320  */
321 void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
322 {
323 	struct port_info *pi = eth_dev->data->dev_private;
324 	struct adapter *adapter = pi->adapter;
325 
326 	CXGBE_FUNC_TRACE();
327 
328 	if (!(adapter->flags & FULL_INIT_DONE))
329 		return;
330 
331 	cxgbe_down(pi);
332 
333 	/*
334 	 *  We clear queues only if both tx and rx path of the port
335 	 *  have been disabled
336 	 */
337 	t4_sge_eth_clear_queues(pi);
338 }
339 
340 /* Start the device.
341  * It returns 0 on success.
342  */
343 int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
344 {
345 	struct port_info *pi = eth_dev->data->dev_private;
346 	struct rte_eth_rxmode *rx_conf = &eth_dev->data->dev_conf.rxmode;
347 	struct adapter *adapter = pi->adapter;
348 	int err = 0, i;
349 
350 	CXGBE_FUNC_TRACE();
351 
352 	/*
353 	 * If we don't have a connection to the firmware there's nothing we
354 	 * can do.
355 	 */
356 	if (!(adapter->flags & FW_OK)) {
357 		err = -ENXIO;
358 		goto out;
359 	}
360 
361 	if (!(adapter->flags & FULL_INIT_DONE)) {
362 		err = cxgbe_up(adapter);
363 		if (err < 0)
364 			goto out;
365 	}
366 
367 	if (rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER)
368 		eth_dev->data->scattered_rx = 1;
369 	else
370 		eth_dev->data->scattered_rx = 0;
371 
372 	cxgbe_enable_rx_queues(pi);
373 
374 	err = cxgbe_setup_rss(pi);
375 	if (err)
376 		goto out;
377 
378 	for (i = 0; i < pi->n_tx_qsets; i++) {
379 		err = cxgbe_dev_tx_queue_start(eth_dev, i);
380 		if (err)
381 			goto out;
382 	}
383 
384 	for (i = 0; i < pi->n_rx_qsets; i++) {
385 		err = cxgbe_dev_rx_queue_start(eth_dev, i);
386 		if (err)
387 			goto out;
388 	}
389 
390 	err = cxgbe_link_start(pi);
391 	if (err)
392 		goto out;
393 
394 out:
395 	return err;
396 }
397 
398 /*
399  * Stop device: disable rx and tx functions to allow for reconfiguring.
400  */
401 void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
402 {
403 	struct port_info *pi = eth_dev->data->dev_private;
404 	struct adapter *adapter = pi->adapter;
405 
406 	CXGBE_FUNC_TRACE();
407 
408 	if (!(adapter->flags & FULL_INIT_DONE))
409 		return;
410 
411 	cxgbe_down(pi);
412 
413 	/*
414 	 *  We clear queues only if both tx and rx path of the port
415 	 *  have been disabled
416 	 */
417 	t4_sge_eth_clear_queues(pi);
418 	eth_dev->data->scattered_rx = 0;
419 }
420 
421 int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
422 {
423 	struct port_info *pi = eth_dev->data->dev_private;
424 	struct adapter *adapter = pi->adapter;
425 	int err;
426 
427 	CXGBE_FUNC_TRACE();
428 
429 	if (!(adapter->flags & FW_QUEUE_BOUND)) {
430 		err = cxgbe_setup_sge_fwevtq(adapter);
431 		if (err)
432 			return err;
433 		adapter->flags |= FW_QUEUE_BOUND;
434 		if (is_pf4(adapter)) {
435 			err = cxgbe_setup_sge_ctrl_txq(adapter);
436 			if (err)
437 				return err;
438 		}
439 	}
440 
441 	err = cxgbe_cfg_queue_count(eth_dev);
442 	if (err)
443 		return err;
444 
445 	return 0;
446 }
447 
448 int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
449 {
450 	int ret;
451 	struct sge_eth_txq *txq = (struct sge_eth_txq *)
452 				  (eth_dev->data->tx_queues[tx_queue_id]);
453 
454 	dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
455 
456 	ret = t4_sge_eth_txq_start(txq);
457 	if (ret == 0)
458 		eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
459 
460 	return ret;
461 }
462 
463 int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
464 {
465 	int ret;
466 	struct sge_eth_txq *txq = (struct sge_eth_txq *)
467 				  (eth_dev->data->tx_queues[tx_queue_id]);
468 
469 	dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
470 
471 	ret = t4_sge_eth_txq_stop(txq);
472 	if (ret == 0)
473 		eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
474 
475 	return ret;
476 }
477 
478 int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
479 			     uint16_t queue_idx, uint16_t nb_desc,
480 			     unsigned int socket_id,
481 			     const struct rte_eth_txconf *tx_conf __rte_unused)
482 {
483 	struct port_info *pi = eth_dev->data->dev_private;
484 	struct adapter *adapter = pi->adapter;
485 	struct sge *s = &adapter->sge;
486 	struct sge_eth_txq *txq = &s->ethtxq[pi->first_qset + queue_idx];
487 	int err = 0;
488 	unsigned int temp_nb_desc;
489 
490 	dev_debug(adapter, "%s: eth_dev->data->nb_tx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; pi->first_qset = %u\n",
491 		  __func__, eth_dev->data->nb_tx_queues, queue_idx, nb_desc,
492 		  socket_id, pi->first_qset);
493 
494 	/*  Free up the existing queue  */
495 	if (eth_dev->data->tx_queues[queue_idx]) {
496 		cxgbe_dev_tx_queue_release(eth_dev->data->tx_queues[queue_idx]);
497 		eth_dev->data->tx_queues[queue_idx] = NULL;
498 	}
499 
500 	eth_dev->data->tx_queues[queue_idx] = (void *)txq;
501 
502 	/* Sanity Checking
503 	 *
504 	 * nb_desc should be > 1023 and <= CXGBE_MAX_RING_DESC_SIZE
505 	 */
506 	temp_nb_desc = nb_desc;
507 	if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
508 		dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
509 			 __func__, CXGBE_MIN_RING_DESC_SIZE,
510 			 CXGBE_DEFAULT_TX_DESC_SIZE);
511 		temp_nb_desc = CXGBE_DEFAULT_TX_DESC_SIZE;
512 	} else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
513 		dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
514 			__func__, CXGBE_MIN_RING_DESC_SIZE,
515 			CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_TX_DESC_SIZE);
516 		return -(EINVAL);
517 	}
518 
519 	txq->q.size = temp_nb_desc;
520 
521 	err = t4_sge_alloc_eth_txq(adapter, txq, eth_dev, queue_idx,
522 				   s->fw_evtq.cntxt_id, socket_id);
523 
524 	dev_debug(adapter, "%s: txq->q.cntxt_id= %u txq->q.abs_id= %u err = %d\n",
525 		  __func__, txq->q.cntxt_id, txq->q.abs_id, err);
526 	return err;
527 }
528 
529 void cxgbe_dev_tx_queue_release(void *q)
530 {
531 	struct sge_eth_txq *txq = (struct sge_eth_txq *)q;
532 
533 	if (txq) {
534 		struct port_info *pi = (struct port_info *)
535 				       (txq->eth_dev->data->dev_private);
536 		struct adapter *adap = pi->adapter;
537 
538 		dev_debug(adapter, "%s: pi->port_id = %d; tx_queue_id = %d\n",
539 			  __func__, pi->port_id, txq->q.cntxt_id);
540 
541 		t4_sge_eth_txq_release(adap, txq);
542 	}
543 }
544 
545 int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
546 {
547 	int ret;
548 	struct port_info *pi = eth_dev->data->dev_private;
549 	struct adapter *adap = pi->adapter;
550 	struct sge_rspq *q;
551 
552 	dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
553 		  __func__, pi->port_id, rx_queue_id);
554 
555 	q = eth_dev->data->rx_queues[rx_queue_id];
556 
557 	ret = t4_sge_eth_rxq_start(adap, q);
558 	if (ret == 0)
559 		eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
560 
561 	return ret;
562 }
563 
564 int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
565 {
566 	int ret;
567 	struct port_info *pi = eth_dev->data->dev_private;
568 	struct adapter *adap = pi->adapter;
569 	struct sge_rspq *q;
570 
571 	dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
572 		  __func__, pi->port_id, rx_queue_id);
573 
574 	q = eth_dev->data->rx_queues[rx_queue_id];
575 	ret = t4_sge_eth_rxq_stop(adap, q);
576 	if (ret == 0)
577 		eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
578 
579 	return ret;
580 }
581 
582 int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
583 			     uint16_t queue_idx, uint16_t nb_desc,
584 			     unsigned int socket_id,
585 			     const struct rte_eth_rxconf *rx_conf __rte_unused,
586 			     struct rte_mempool *mp)
587 {
588 	struct port_info *pi = eth_dev->data->dev_private;
589 	struct adapter *adapter = pi->adapter;
590 	struct sge *s = &adapter->sge;
591 	struct sge_eth_rxq *rxq = &s->ethrxq[pi->first_qset + queue_idx];
592 	int err = 0;
593 	int msi_idx = 0;
594 	unsigned int temp_nb_desc;
595 	struct rte_eth_dev_info dev_info;
596 	unsigned int pkt_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
597 
598 	dev_debug(adapter, "%s: eth_dev->data->nb_rx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; mp = %p\n",
599 		  __func__, eth_dev->data->nb_rx_queues, queue_idx, nb_desc,
600 		  socket_id, mp);
601 
602 	err = cxgbe_dev_info_get(eth_dev, &dev_info);
603 	if (err != 0) {
604 		dev_err(adap, "%s: error during getting ethernet device info",
605 			__func__);
606 		return err;
607 	}
608 
609 	/* Must accommodate at least RTE_ETHER_MIN_MTU */
610 	if ((pkt_len < dev_info.min_rx_bufsize) ||
611 	    (pkt_len > dev_info.max_rx_pktlen)) {
612 		dev_err(adap, "%s: max pkt len must be > %d and <= %d\n",
613 			__func__, dev_info.min_rx_bufsize,
614 			dev_info.max_rx_pktlen);
615 		return -EINVAL;
616 	}
617 
618 	/*  Free up the existing queue  */
619 	if (eth_dev->data->rx_queues[queue_idx]) {
620 		cxgbe_dev_rx_queue_release(eth_dev->data->rx_queues[queue_idx]);
621 		eth_dev->data->rx_queues[queue_idx] = NULL;
622 	}
623 
624 	eth_dev->data->rx_queues[queue_idx] = (void *)rxq;
625 
626 	/* Sanity Checking
627 	 *
628 	 * nb_desc should be > 0 and <= CXGBE_MAX_RING_DESC_SIZE
629 	 */
630 	temp_nb_desc = nb_desc;
631 	if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
632 		dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
633 			 __func__, CXGBE_MIN_RING_DESC_SIZE,
634 			 CXGBE_DEFAULT_RX_DESC_SIZE);
635 		temp_nb_desc = CXGBE_DEFAULT_RX_DESC_SIZE;
636 	} else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
637 		dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
638 			__func__, CXGBE_MIN_RING_DESC_SIZE,
639 			CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_RX_DESC_SIZE);
640 		return -(EINVAL);
641 	}
642 
643 	rxq->rspq.size = temp_nb_desc;
644 	if ((&rxq->fl) != NULL)
645 		rxq->fl.size = temp_nb_desc;
646 
647 	/* Set to jumbo mode if necessary */
648 	if (pkt_len > RTE_ETHER_MAX_LEN)
649 		eth_dev->data->dev_conf.rxmode.offloads |=
650 			DEV_RX_OFFLOAD_JUMBO_FRAME;
651 	else
652 		eth_dev->data->dev_conf.rxmode.offloads &=
653 			~DEV_RX_OFFLOAD_JUMBO_FRAME;
654 
655 	err = t4_sge_alloc_rxq(adapter, &rxq->rspq, false, eth_dev, msi_idx,
656 			       &rxq->fl, NULL,
657 			       is_pf4(adapter) ?
658 			       t4_get_tp_ch_map(adapter, pi->tx_chan) : 0, mp,
659 			       queue_idx, socket_id);
660 
661 	dev_debug(adapter, "%s: err = %d; port_id = %d; cntxt_id = %u; abs_id = %u\n",
662 		  __func__, err, pi->port_id, rxq->rspq.cntxt_id,
663 		  rxq->rspq.abs_id);
664 	return err;
665 }
666 
667 void cxgbe_dev_rx_queue_release(void *q)
668 {
669 	struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q;
670 	struct sge_rspq *rq = &rxq->rspq;
671 
672 	if (rq) {
673 		struct port_info *pi = (struct port_info *)
674 				       (rq->eth_dev->data->dev_private);
675 		struct adapter *adap = pi->adapter;
676 
677 		dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
678 			  __func__, pi->port_id, rxq->rspq.cntxt_id);
679 
680 		t4_sge_eth_rxq_release(adap, rxq);
681 	}
682 }
683 
684 /*
685  * Get port statistics.
686  */
687 static int cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev,
688 				struct rte_eth_stats *eth_stats)
689 {
690 	struct port_info *pi = eth_dev->data->dev_private;
691 	struct adapter *adapter = pi->adapter;
692 	struct sge *s = &adapter->sge;
693 	struct port_stats ps;
694 	unsigned int i;
695 
696 	cxgbe_stats_get(pi, &ps);
697 
698 	/* RX Stats */
699 	eth_stats->imissed  = ps.rx_ovflow0 + ps.rx_ovflow1 +
700 			      ps.rx_ovflow2 + ps.rx_ovflow3 +
701 			      ps.rx_trunc0 + ps.rx_trunc1 +
702 			      ps.rx_trunc2 + ps.rx_trunc3;
703 	eth_stats->ierrors  = ps.rx_symbol_err + ps.rx_fcs_err +
704 			      ps.rx_jabber + ps.rx_too_long + ps.rx_runt +
705 			      ps.rx_len_err;
706 
707 	/* TX Stats */
708 	eth_stats->opackets = ps.tx_frames;
709 	eth_stats->obytes   = ps.tx_octets;
710 	eth_stats->oerrors  = ps.tx_error_frames;
711 
712 	for (i = 0; i < pi->n_rx_qsets; i++) {
713 		struct sge_eth_rxq *rxq =
714 			&s->ethrxq[pi->first_qset + i];
715 
716 		eth_stats->q_ipackets[i] = rxq->stats.pkts;
717 		eth_stats->q_ibytes[i] = rxq->stats.rx_bytes;
718 		eth_stats->ipackets += eth_stats->q_ipackets[i];
719 		eth_stats->ibytes += eth_stats->q_ibytes[i];
720 	}
721 
722 	for (i = 0; i < pi->n_tx_qsets; i++) {
723 		struct sge_eth_txq *txq =
724 			&s->ethtxq[pi->first_qset + i];
725 
726 		eth_stats->q_opackets[i] = txq->stats.pkts;
727 		eth_stats->q_obytes[i] = txq->stats.tx_bytes;
728 	}
729 	return 0;
730 }
731 
732 /*
733  * Reset port statistics.
734  */
735 static int cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev)
736 {
737 	struct port_info *pi = eth_dev->data->dev_private;
738 	struct adapter *adapter = pi->adapter;
739 	struct sge *s = &adapter->sge;
740 	unsigned int i;
741 
742 	cxgbe_stats_reset(pi);
743 	for (i = 0; i < pi->n_rx_qsets; i++) {
744 		struct sge_eth_rxq *rxq =
745 			&s->ethrxq[pi->first_qset + i];
746 
747 		rxq->stats.pkts = 0;
748 		rxq->stats.rx_bytes = 0;
749 	}
750 	for (i = 0; i < pi->n_tx_qsets; i++) {
751 		struct sge_eth_txq *txq =
752 			&s->ethtxq[pi->first_qset + i];
753 
754 		txq->stats.pkts = 0;
755 		txq->stats.tx_bytes = 0;
756 		txq->stats.mapping_err = 0;
757 	}
758 
759 	return 0;
760 }
761 
762 static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev,
763 			       struct rte_eth_fc_conf *fc_conf)
764 {
765 	struct port_info *pi = eth_dev->data->dev_private;
766 	struct link_config *lc = &pi->link_cfg;
767 	int rx_pause, tx_pause;
768 
769 	fc_conf->autoneg = lc->fc & PAUSE_AUTONEG;
770 	rx_pause = lc->fc & PAUSE_RX;
771 	tx_pause = lc->fc & PAUSE_TX;
772 
773 	if (rx_pause && tx_pause)
774 		fc_conf->mode = RTE_FC_FULL;
775 	else if (rx_pause)
776 		fc_conf->mode = RTE_FC_RX_PAUSE;
777 	else if (tx_pause)
778 		fc_conf->mode = RTE_FC_TX_PAUSE;
779 	else
780 		fc_conf->mode = RTE_FC_NONE;
781 	return 0;
782 }
783 
784 static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev,
785 			       struct rte_eth_fc_conf *fc_conf)
786 {
787 	struct port_info *pi = eth_dev->data->dev_private;
788 	struct adapter *adapter = pi->adapter;
789 	struct link_config *lc = &pi->link_cfg;
790 
791 	if (lc->pcaps & FW_PORT_CAP32_ANEG) {
792 		if (fc_conf->autoneg)
793 			lc->requested_fc |= PAUSE_AUTONEG;
794 		else
795 			lc->requested_fc &= ~PAUSE_AUTONEG;
796 	}
797 
798 	if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
799 	    (fc_conf->mode & RTE_FC_RX_PAUSE))
800 		lc->requested_fc |= PAUSE_RX;
801 	else
802 		lc->requested_fc &= ~PAUSE_RX;
803 
804 	if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
805 	    (fc_conf->mode & RTE_FC_TX_PAUSE))
806 		lc->requested_fc |= PAUSE_TX;
807 	else
808 		lc->requested_fc &= ~PAUSE_TX;
809 
810 	return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
811 			     &pi->link_cfg);
812 }
813 
814 const uint32_t *
815 cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev)
816 {
817 	static const uint32_t ptypes[] = {
818 		RTE_PTYPE_L3_IPV4,
819 		RTE_PTYPE_L3_IPV6,
820 		RTE_PTYPE_UNKNOWN
821 	};
822 
823 	if (eth_dev->rx_pkt_burst == cxgbe_recv_pkts)
824 		return ptypes;
825 	return NULL;
826 }
827 
828 /* Update RSS hash configuration
829  */
830 static int cxgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
831 				     struct rte_eth_rss_conf *rss_conf)
832 {
833 	struct port_info *pi = dev->data->dev_private;
834 	struct adapter *adapter = pi->adapter;
835 	int err;
836 
837 	err = cxgbe_write_rss_conf(pi, rss_conf->rss_hf);
838 	if (err)
839 		return err;
840 
841 	pi->rss_hf = rss_conf->rss_hf;
842 
843 	if (rss_conf->rss_key) {
844 		u32 key[10], mod_key[10];
845 		int i, j;
846 
847 		memcpy(key, rss_conf->rss_key, CXGBE_DEFAULT_RSS_KEY_LEN);
848 
849 		for (i = 9, j = 0; i >= 0; i--, j++)
850 			mod_key[j] = cpu_to_be32(key[i]);
851 
852 		t4_write_rss_key(adapter, mod_key, -1);
853 	}
854 
855 	return 0;
856 }
857 
858 /* Get RSS hash configuration
859  */
860 static int cxgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
861 				       struct rte_eth_rss_conf *rss_conf)
862 {
863 	struct port_info *pi = dev->data->dev_private;
864 	struct adapter *adapter = pi->adapter;
865 	u64 rss_hf = 0;
866 	u64 flags = 0;
867 	int err;
868 
869 	err = t4_read_config_vi_rss(adapter, adapter->mbox, pi->viid,
870 				    &flags, NULL);
871 
872 	if (err)
873 		return err;
874 
875 	if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) {
876 		rss_hf |= CXGBE_RSS_HF_TCP_IPV6_MASK;
877 		if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
878 			rss_hf |= CXGBE_RSS_HF_UDP_IPV6_MASK;
879 	}
880 
881 	if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
882 		rss_hf |= CXGBE_RSS_HF_IPV6_MASK;
883 
884 	if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) {
885 		rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
886 		if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
887 			rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
888 	}
889 
890 	if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
891 		rss_hf |= CXGBE_RSS_HF_IPV4_MASK;
892 
893 	rss_conf->rss_hf = rss_hf;
894 
895 	if (rss_conf->rss_key) {
896 		u32 key[10], mod_key[10];
897 		int i, j;
898 
899 		t4_read_rss_key(adapter, key);
900 
901 		for (i = 9, j = 0; i >= 0; i--, j++)
902 			mod_key[j] = be32_to_cpu(key[i]);
903 
904 		memcpy(rss_conf->rss_key, mod_key, CXGBE_DEFAULT_RSS_KEY_LEN);
905 	}
906 
907 	return 0;
908 }
909 
910 static int cxgbe_get_eeprom_length(struct rte_eth_dev *dev)
911 {
912 	RTE_SET_USED(dev);
913 	return EEPROMSIZE;
914 }
915 
916 /**
917  * eeprom_ptov - translate a physical EEPROM address to virtual
918  * @phys_addr: the physical EEPROM address
919  * @fn: the PCI function number
920  * @sz: size of function-specific area
921  *
922  * Translate a physical EEPROM address to virtual.  The first 1K is
923  * accessed through virtual addresses starting at 31K, the rest is
924  * accessed through virtual addresses starting at 0.
925  *
926  * The mapping is as follows:
927  * [0..1K) -> [31K..32K)
928  * [1K..1K+A) -> [31K-A..31K)
929  * [1K+A..ES) -> [0..ES-A-1K)
930  *
931  * where A = @fn * @sz, and ES = EEPROM size.
932  */
933 static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
934 {
935 	fn *= sz;
936 	if (phys_addr < 1024)
937 		return phys_addr + (31 << 10);
938 	if (phys_addr < 1024 + fn)
939 		return fn + phys_addr - 1024;
940 	if (phys_addr < EEPROMSIZE)
941 		return phys_addr - 1024 - fn;
942 	if (phys_addr < EEPROMVSIZE)
943 		return phys_addr - 1024;
944 	return -EINVAL;
945 }
946 
947 /* The next two routines implement eeprom read/write from physical addresses.
948  */
949 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v)
950 {
951 	int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
952 
953 	if (vaddr >= 0)
954 		vaddr = t4_seeprom_read(adap, vaddr, v);
955 	return vaddr < 0 ? vaddr : 0;
956 }
957 
958 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v)
959 {
960 	int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
961 
962 	if (vaddr >= 0)
963 		vaddr = t4_seeprom_write(adap, vaddr, v);
964 	return vaddr < 0 ? vaddr : 0;
965 }
966 
967 #define EEPROM_MAGIC 0x38E2F10C
968 
969 static int cxgbe_get_eeprom(struct rte_eth_dev *dev,
970 			    struct rte_dev_eeprom_info *e)
971 {
972 	struct port_info *pi = dev->data->dev_private;
973 	struct adapter *adapter = pi->adapter;
974 	u32 i, err = 0;
975 	u8 *buf = rte_zmalloc(NULL, EEPROMSIZE, 0);
976 
977 	if (!buf)
978 		return -ENOMEM;
979 
980 	e->magic = EEPROM_MAGIC;
981 	for (i = e->offset & ~3; !err && i < e->offset + e->length; i += 4)
982 		err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]);
983 
984 	if (!err)
985 		rte_memcpy(e->data, buf + e->offset, e->length);
986 	rte_free(buf);
987 	return err;
988 }
989 
990 static int cxgbe_set_eeprom(struct rte_eth_dev *dev,
991 			    struct rte_dev_eeprom_info *eeprom)
992 {
993 	struct port_info *pi = dev->data->dev_private;
994 	struct adapter *adapter = pi->adapter;
995 	u8 *buf;
996 	int err = 0;
997 	u32 aligned_offset, aligned_len, *p;
998 
999 	if (eeprom->magic != EEPROM_MAGIC)
1000 		return -EINVAL;
1001 
1002 	aligned_offset = eeprom->offset & ~3;
1003 	aligned_len = (eeprom->length + (eeprom->offset & 3) + 3) & ~3;
1004 
1005 	if (adapter->pf > 0) {
1006 		u32 start = 1024 + adapter->pf * EEPROMPFSIZE;
1007 
1008 		if (aligned_offset < start ||
1009 		    aligned_offset + aligned_len > start + EEPROMPFSIZE)
1010 			return -EPERM;
1011 	}
1012 
1013 	if (aligned_offset != eeprom->offset || aligned_len != eeprom->length) {
1014 		/* RMW possibly needed for first or last words.
1015 		 */
1016 		buf = rte_zmalloc(NULL, aligned_len, 0);
1017 		if (!buf)
1018 			return -ENOMEM;
1019 		err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
1020 		if (!err && aligned_len > 4)
1021 			err = eeprom_rd_phys(adapter,
1022 					     aligned_offset + aligned_len - 4,
1023 					     (u32 *)&buf[aligned_len - 4]);
1024 		if (err)
1025 			goto out;
1026 		rte_memcpy(buf + (eeprom->offset & 3), eeprom->data,
1027 			   eeprom->length);
1028 	} else {
1029 		buf = eeprom->data;
1030 	}
1031 
1032 	err = t4_seeprom_wp(adapter, false);
1033 	if (err)
1034 		goto out;
1035 
1036 	for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) {
1037 		err = eeprom_wr_phys(adapter, aligned_offset, *p);
1038 		aligned_offset += 4;
1039 	}
1040 
1041 	if (!err)
1042 		err = t4_seeprom_wp(adapter, true);
1043 out:
1044 	if (buf != eeprom->data)
1045 		rte_free(buf);
1046 	return err;
1047 }
1048 
1049 static int cxgbe_get_regs_len(struct rte_eth_dev *eth_dev)
1050 {
1051 	struct port_info *pi = eth_dev->data->dev_private;
1052 	struct adapter *adapter = pi->adapter;
1053 
1054 	return t4_get_regs_len(adapter) / sizeof(uint32_t);
1055 }
1056 
1057 static int cxgbe_get_regs(struct rte_eth_dev *eth_dev,
1058 			  struct rte_dev_reg_info *regs)
1059 {
1060 	struct port_info *pi = eth_dev->data->dev_private;
1061 	struct adapter *adapter = pi->adapter;
1062 
1063 	regs->version = CHELSIO_CHIP_VERSION(adapter->params.chip) |
1064 		(CHELSIO_CHIP_RELEASE(adapter->params.chip) << 10) |
1065 		(1 << 16);
1066 
1067 	if (regs->data == NULL) {
1068 		regs->length = cxgbe_get_regs_len(eth_dev);
1069 		regs->width = sizeof(uint32_t);
1070 
1071 		return 0;
1072 	}
1073 
1074 	t4_get_regs(adapter, regs->data, (regs->length * sizeof(uint32_t)));
1075 
1076 	return 0;
1077 }
1078 
1079 int cxgbe_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
1080 {
1081 	struct port_info *pi = dev->data->dev_private;
1082 	int ret;
1083 
1084 	ret = cxgbe_mpstcam_modify(pi, (int)pi->xact_addr_filt, (u8 *)addr);
1085 	if (ret < 0) {
1086 		dev_err(adapter, "failed to set mac addr; err = %d\n",
1087 			ret);
1088 		return ret;
1089 	}
1090 	pi->xact_addr_filt = ret;
1091 	return 0;
1092 }
1093 
1094 static const struct eth_dev_ops cxgbe_eth_dev_ops = {
1095 	.dev_start		= cxgbe_dev_start,
1096 	.dev_stop		= cxgbe_dev_stop,
1097 	.dev_close		= cxgbe_dev_close,
1098 	.promiscuous_enable	= cxgbe_dev_promiscuous_enable,
1099 	.promiscuous_disable	= cxgbe_dev_promiscuous_disable,
1100 	.allmulticast_enable	= cxgbe_dev_allmulticast_enable,
1101 	.allmulticast_disable	= cxgbe_dev_allmulticast_disable,
1102 	.dev_configure		= cxgbe_dev_configure,
1103 	.dev_infos_get		= cxgbe_dev_info_get,
1104 	.dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get,
1105 	.link_update		= cxgbe_dev_link_update,
1106 	.dev_set_link_up        = cxgbe_dev_set_link_up,
1107 	.dev_set_link_down      = cxgbe_dev_set_link_down,
1108 	.mtu_set		= cxgbe_dev_mtu_set,
1109 	.tx_queue_setup         = cxgbe_dev_tx_queue_setup,
1110 	.tx_queue_start		= cxgbe_dev_tx_queue_start,
1111 	.tx_queue_stop		= cxgbe_dev_tx_queue_stop,
1112 	.tx_queue_release	= cxgbe_dev_tx_queue_release,
1113 	.rx_queue_setup         = cxgbe_dev_rx_queue_setup,
1114 	.rx_queue_start		= cxgbe_dev_rx_queue_start,
1115 	.rx_queue_stop		= cxgbe_dev_rx_queue_stop,
1116 	.rx_queue_release	= cxgbe_dev_rx_queue_release,
1117 	.filter_ctrl            = cxgbe_dev_filter_ctrl,
1118 	.stats_get		= cxgbe_dev_stats_get,
1119 	.stats_reset		= cxgbe_dev_stats_reset,
1120 	.flow_ctrl_get		= cxgbe_flow_ctrl_get,
1121 	.flow_ctrl_set		= cxgbe_flow_ctrl_set,
1122 	.get_eeprom_length	= cxgbe_get_eeprom_length,
1123 	.get_eeprom		= cxgbe_get_eeprom,
1124 	.set_eeprom		= cxgbe_set_eeprom,
1125 	.get_reg		= cxgbe_get_regs,
1126 	.rss_hash_update	= cxgbe_dev_rss_hash_update,
1127 	.rss_hash_conf_get	= cxgbe_dev_rss_hash_conf_get,
1128 	.mac_addr_set		= cxgbe_mac_addr_set,
1129 };
1130 
1131 /*
1132  * Initialize driver
1133  * It returns 0 on success.
1134  */
1135 static int eth_cxgbe_dev_init(struct rte_eth_dev *eth_dev)
1136 {
1137 	struct rte_pci_device *pci_dev;
1138 	struct port_info *pi = eth_dev->data->dev_private;
1139 	struct adapter *adapter = NULL;
1140 	char name[RTE_ETH_NAME_MAX_LEN];
1141 	int err = 0;
1142 
1143 	CXGBE_FUNC_TRACE();
1144 
1145 	eth_dev->dev_ops = &cxgbe_eth_dev_ops;
1146 	eth_dev->rx_pkt_burst = &cxgbe_recv_pkts;
1147 	eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts;
1148 	pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1149 
1150 	/* for secondary processes, we attach to ethdevs allocated by primary
1151 	 * and do minimal initialization.
1152 	 */
1153 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1154 		int i;
1155 
1156 		for (i = 1; i < MAX_NPORTS; i++) {
1157 			struct rte_eth_dev *rest_eth_dev;
1158 			char namei[RTE_ETH_NAME_MAX_LEN];
1159 
1160 			snprintf(namei, sizeof(namei), "%s_%d",
1161 				 pci_dev->device.name, i);
1162 			rest_eth_dev = rte_eth_dev_attach_secondary(namei);
1163 			if (rest_eth_dev) {
1164 				rest_eth_dev->device = &pci_dev->device;
1165 				rest_eth_dev->dev_ops =
1166 					eth_dev->dev_ops;
1167 				rest_eth_dev->rx_pkt_burst =
1168 					eth_dev->rx_pkt_burst;
1169 				rest_eth_dev->tx_pkt_burst =
1170 					eth_dev->tx_pkt_burst;
1171 				rte_eth_dev_probing_finish(rest_eth_dev);
1172 			}
1173 		}
1174 		return 0;
1175 	}
1176 
1177 	snprintf(name, sizeof(name), "cxgbeadapter%d", eth_dev->data->port_id);
1178 	adapter = rte_zmalloc(name, sizeof(*adapter), 0);
1179 	if (!adapter)
1180 		return -1;
1181 
1182 	adapter->use_unpacked_mode = 1;
1183 	adapter->regs = (void *)pci_dev->mem_resource[0].addr;
1184 	if (!adapter->regs) {
1185 		dev_err(adapter, "%s: cannot map device registers\n", __func__);
1186 		err = -ENOMEM;
1187 		goto out_free_adapter;
1188 	}
1189 	adapter->pdev = pci_dev;
1190 	adapter->eth_dev = eth_dev;
1191 	pi->adapter = adapter;
1192 
1193 	cxgbe_process_devargs(adapter);
1194 
1195 	err = cxgbe_probe(adapter);
1196 	if (err) {
1197 		dev_err(adapter, "%s: cxgbe probe failed with err %d\n",
1198 			__func__, err);
1199 		goto out_free_adapter;
1200 	}
1201 
1202 	return 0;
1203 
1204 out_free_adapter:
1205 	rte_free(adapter);
1206 	return err;
1207 }
1208 
1209 static int eth_cxgbe_dev_uninit(struct rte_eth_dev *eth_dev)
1210 {
1211 	struct port_info *pi = eth_dev->data->dev_private;
1212 	struct adapter *adap = pi->adapter;
1213 
1214 	/* Free up other ports and all resources */
1215 	cxgbe_close(adap);
1216 	return 0;
1217 }
1218 
1219 static int eth_cxgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1220 	struct rte_pci_device *pci_dev)
1221 {
1222 	return rte_eth_dev_pci_generic_probe(pci_dev,
1223 		sizeof(struct port_info), eth_cxgbe_dev_init);
1224 }
1225 
1226 static int eth_cxgbe_pci_remove(struct rte_pci_device *pci_dev)
1227 {
1228 	return rte_eth_dev_pci_generic_remove(pci_dev, eth_cxgbe_dev_uninit);
1229 }
1230 
1231 static struct rte_pci_driver rte_cxgbe_pmd = {
1232 	.id_table = cxgb4_pci_tbl,
1233 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1234 	.probe = eth_cxgbe_pci_probe,
1235 	.remove = eth_cxgbe_pci_remove,
1236 };
1237 
1238 RTE_PMD_REGISTER_PCI(net_cxgbe, rte_cxgbe_pmd);
1239 RTE_PMD_REGISTER_PCI_TABLE(net_cxgbe, cxgb4_pci_tbl);
1240 RTE_PMD_REGISTER_KMOD_DEP(net_cxgbe, "* igb_uio | uio_pci_generic | vfio-pci");
1241 RTE_PMD_REGISTER_PARAM_STRING(net_cxgbe,
1242 			      CXGBE_DEVARG_CMN_KEEP_OVLAN "=<0|1> ");
1243 
1244 RTE_INIT(cxgbe_init_log)
1245 {
1246 	cxgbe_logtype = rte_log_register("pmd.net.cxgbe");
1247 	if (cxgbe_logtype >= 0)
1248 		rte_log_set_level(cxgbe_logtype, RTE_LOG_NOTICE);
1249 	cxgbe_mbox_logtype = rte_log_register("pmd.net.cxgbe.mbox");
1250 	if (cxgbe_mbox_logtype >= 0)
1251 		rte_log_set_level(cxgbe_mbox_logtype, RTE_LOG_NOTICE);
1252 }
1253