xref: /f-stack/dpdk/lib/librte_ethdev/rte_ethdev.c (revision 1743e020)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <sys/types.h>
6 #include <sys/queue.h>
7 #include <ctype.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <stdarg.h>
12 #include <errno.h>
13 #include <stdbool.h>
14 #include <stdint.h>
15 #include <inttypes.h>
16 #include <netinet/in.h>
17 
18 #include <rte_byteorder.h>
19 #include <rte_log.h>
20 #include <rte_debug.h>
21 #include <rte_interrupts.h>
22 #include <rte_memory.h>
23 #include <rte_memcpy.h>
24 #include <rte_memzone.h>
25 #include <rte_launch.h>
26 #include <rte_eal.h>
27 #include <rte_per_lcore.h>
28 #include <rte_lcore.h>
29 #include <rte_atomic.h>
30 #include <rte_branch_prediction.h>
31 #include <rte_common.h>
32 #include <rte_mempool.h>
33 #include <rte_malloc.h>
34 #include <rte_mbuf.h>
35 #include <rte_errno.h>
36 #include <rte_spinlock.h>
37 #include <rte_string_fns.h>
38 #include <rte_kvargs.h>
39 #include <rte_class.h>
40 
41 #include "rte_ether.h"
42 #include "rte_ethdev.h"
43 #include "rte_ethdev_driver.h"
44 #include "ethdev_profile.h"
45 #include "ethdev_private.h"
46 
47 int rte_eth_dev_logtype;
48 
49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
51 static uint16_t eth_dev_last_created_port;
52 
53 /* spinlock for eth device callbacks */
54 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
55 
56 /* spinlock for add/remove rx callbacks */
57 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
58 
59 /* spinlock for add/remove tx callbacks */
60 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
61 
62 /* spinlock for shared data allocation */
63 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
64 
65 /* store statistics names and its offset in stats structure  */
66 struct rte_eth_xstats_name_off {
67 	char name[RTE_ETH_XSTATS_NAME_SIZE];
68 	unsigned offset;
69 };
70 
71 /* Shared memory between primary and secondary processes. */
72 static struct {
73 	uint64_t next_owner_id;
74 	rte_spinlock_t ownership_lock;
75 	struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
76 } *rte_eth_dev_shared_data;
77 
78 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
79 	{"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
80 	{"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
81 	{"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
82 	{"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
83 	{"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
84 	{"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
85 	{"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
86 	{"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
87 		rx_nombuf)},
88 };
89 
90 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
91 
92 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
93 	{"packets", offsetof(struct rte_eth_stats, q_ipackets)},
94 	{"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
95 	{"errors", offsetof(struct rte_eth_stats, q_errors)},
96 };
97 
98 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /	\
99 		sizeof(rte_rxq_stats_strings[0]))
100 
101 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
102 	{"packets", offsetof(struct rte_eth_stats, q_opackets)},
103 	{"bytes", offsetof(struct rte_eth_stats, q_obytes)},
104 };
105 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /	\
106 		sizeof(rte_txq_stats_strings[0]))
107 
108 #define RTE_RX_OFFLOAD_BIT2STR(_name)	\
109 	{ DEV_RX_OFFLOAD_##_name, #_name }
110 
111 static const struct {
112 	uint64_t offload;
113 	const char *name;
114 } rte_rx_offload_names[] = {
115 	RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
116 	RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
117 	RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
118 	RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
119 	RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
120 	RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
121 	RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
122 	RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
123 	RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
124 	RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
125 	RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
126 	RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
127 	RTE_RX_OFFLOAD_BIT2STR(SCATTER),
128 	RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
129 	RTE_RX_OFFLOAD_BIT2STR(SECURITY),
130 	RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
131 	RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
132 	RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
133 };
134 
135 #undef RTE_RX_OFFLOAD_BIT2STR
136 
137 #define RTE_TX_OFFLOAD_BIT2STR(_name)	\
138 	{ DEV_TX_OFFLOAD_##_name, #_name }
139 
140 static const struct {
141 	uint64_t offload;
142 	const char *name;
143 } rte_tx_offload_names[] = {
144 	RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
145 	RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
146 	RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
147 	RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
148 	RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
149 	RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
150 	RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
151 	RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
152 	RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
153 	RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
154 	RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
155 	RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
156 	RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
157 	RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
158 	RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
159 	RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
160 	RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
161 	RTE_TX_OFFLOAD_BIT2STR(SECURITY),
162 	RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
163 	RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
164 	RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
165 	RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
166 };
167 
168 #undef RTE_TX_OFFLOAD_BIT2STR
169 
170 /**
171  * The user application callback description.
172  *
173  * It contains callback address to be registered by user application,
174  * the pointer to the parameters for callback, and the event type.
175  */
176 struct rte_eth_dev_callback {
177 	TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
178 	rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
179 	void *cb_arg;                           /**< Parameter for callback */
180 	void *ret_param;                        /**< Return parameter */
181 	enum rte_eth_event_type event;          /**< Interrupt event type */
182 	uint32_t active;                        /**< Callback is executing */
183 };
184 
185 enum {
186 	STAT_QMAP_TX = 0,
187 	STAT_QMAP_RX
188 };
189 
190 int
191 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
192 {
193 	int ret;
194 	struct rte_devargs devargs = {.args = NULL};
195 	const char *bus_param_key;
196 	char *bus_str = NULL;
197 	char *cls_str = NULL;
198 	int str_size;
199 
200 	memset(iter, 0, sizeof(*iter));
201 
202 	/*
203 	 * The devargs string may use various syntaxes:
204 	 *   - 0000:08:00.0,representor=[1-3]
205 	 *   - pci:0000:06:00.0,representor=[0,5]
206 	 *   - class=eth,mac=00:11:22:33:44:55
207 	 * A new syntax is in development (not yet supported):
208 	 *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
209 	 */
210 
211 	/*
212 	 * Handle pure class filter (i.e. without any bus-level argument),
213 	 * from future new syntax.
214 	 * rte_devargs_parse() is not yet supporting the new syntax,
215 	 * that's why this simple case is temporarily parsed here.
216 	 */
217 #define iter_anybus_str "class=eth,"
218 	if (strncmp(devargs_str, iter_anybus_str,
219 			strlen(iter_anybus_str)) == 0) {
220 		iter->cls_str = devargs_str + strlen(iter_anybus_str);
221 		goto end;
222 	}
223 
224 	/* Split bus, device and parameters. */
225 	ret = rte_devargs_parse(&devargs, devargs_str);
226 	if (ret != 0)
227 		goto error;
228 
229 	/*
230 	 * Assume parameters of old syntax can match only at ethdev level.
231 	 * Extra parameters will be ignored, thanks to "+" prefix.
232 	 */
233 	str_size = strlen(devargs.args) + 2;
234 	cls_str = malloc(str_size);
235 	if (cls_str == NULL) {
236 		ret = -ENOMEM;
237 		goto error;
238 	}
239 	ret = snprintf(cls_str, str_size, "+%s", devargs.args);
240 	if (ret != str_size - 1) {
241 		ret = -EINVAL;
242 		goto error;
243 	}
244 	iter->cls_str = cls_str;
245 	free(devargs.args); /* allocated by rte_devargs_parse() */
246 	devargs.args = NULL;
247 
248 	iter->bus = devargs.bus;
249 	if (iter->bus->dev_iterate == NULL) {
250 		ret = -ENOTSUP;
251 		goto error;
252 	}
253 
254 	/* Convert bus args to new syntax for use with new API dev_iterate. */
255 	if (strcmp(iter->bus->name, "vdev") == 0) {
256 		bus_param_key = "name";
257 	} else if (strcmp(iter->bus->name, "pci") == 0) {
258 		bus_param_key = "addr";
259 	} else {
260 		ret = -ENOTSUP;
261 		goto error;
262 	}
263 	str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
264 	bus_str = malloc(str_size);
265 	if (bus_str == NULL) {
266 		ret = -ENOMEM;
267 		goto error;
268 	}
269 	ret = snprintf(bus_str, str_size, "%s=%s",
270 			bus_param_key, devargs.name);
271 	if (ret != str_size - 1) {
272 		ret = -EINVAL;
273 		goto error;
274 	}
275 	iter->bus_str = bus_str;
276 
277 end:
278 	iter->cls = rte_class_find_by_name("eth");
279 	return 0;
280 
281 error:
282 	if (ret == -ENOTSUP)
283 		RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
284 				iter->bus->name);
285 	free(devargs.args);
286 	free(bus_str);
287 	free(cls_str);
288 	return ret;
289 }
290 
291 uint16_t
292 rte_eth_iterator_next(struct rte_dev_iterator *iter)
293 {
294 	if (iter->cls == NULL) /* invalid ethdev iterator */
295 		return RTE_MAX_ETHPORTS;
296 
297 	do { /* loop to try all matching rte_device */
298 		/* If not pure ethdev filter and */
299 		if (iter->bus != NULL &&
300 				/* not in middle of rte_eth_dev iteration, */
301 				iter->class_device == NULL) {
302 			/* get next rte_device to try. */
303 			iter->device = iter->bus->dev_iterate(
304 					iter->device, iter->bus_str, iter);
305 			if (iter->device == NULL)
306 				break; /* no more rte_device candidate */
307 		}
308 		/* A device is matching bus part, need to check ethdev part. */
309 		iter->class_device = iter->cls->dev_iterate(
310 				iter->class_device, iter->cls_str, iter);
311 		if (iter->class_device != NULL)
312 			return eth_dev_to_id(iter->class_device); /* match */
313 	} while (iter->bus != NULL); /* need to try next rte_device */
314 
315 	/* No more ethdev port to iterate. */
316 	rte_eth_iterator_cleanup(iter);
317 	return RTE_MAX_ETHPORTS;
318 }
319 
320 void
321 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
322 {
323 	if (iter->bus_str == NULL)
324 		return; /* nothing to free in pure class filter */
325 	free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
326 	free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
327 	memset(iter, 0, sizeof(*iter));
328 }
329 
330 uint16_t
331 rte_eth_find_next(uint16_t port_id)
332 {
333 	while (port_id < RTE_MAX_ETHPORTS &&
334 	       rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
335 	       rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
336 		port_id++;
337 
338 	if (port_id >= RTE_MAX_ETHPORTS)
339 		return RTE_MAX_ETHPORTS;
340 
341 	return port_id;
342 }
343 
344 static void
345 rte_eth_dev_shared_data_prepare(void)
346 {
347 	const unsigned flags = 0;
348 	const struct rte_memzone *mz;
349 
350 	rte_spinlock_lock(&rte_eth_shared_data_lock);
351 
352 	if (rte_eth_dev_shared_data == NULL) {
353 		if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
354 			/* Allocate port data and ownership shared memory. */
355 			mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
356 					sizeof(*rte_eth_dev_shared_data),
357 					rte_socket_id(), flags);
358 		} else
359 			mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
360 		if (mz == NULL)
361 			rte_panic("Cannot allocate ethdev shared data\n");
362 
363 		rte_eth_dev_shared_data = mz->addr;
364 		if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
365 			rte_eth_dev_shared_data->next_owner_id =
366 					RTE_ETH_DEV_NO_OWNER + 1;
367 			rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
368 			memset(rte_eth_dev_shared_data->data, 0,
369 			       sizeof(rte_eth_dev_shared_data->data));
370 		}
371 	}
372 
373 	rte_spinlock_unlock(&rte_eth_shared_data_lock);
374 }
375 
376 static bool
377 is_allocated(const struct rte_eth_dev *ethdev)
378 {
379 	return ethdev->data->name[0] != '\0';
380 }
381 
382 static struct rte_eth_dev *
383 _rte_eth_dev_allocated(const char *name)
384 {
385 	unsigned i;
386 
387 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
388 		if (rte_eth_devices[i].data != NULL &&
389 		    strcmp(rte_eth_devices[i].data->name, name) == 0)
390 			return &rte_eth_devices[i];
391 	}
392 	return NULL;
393 }
394 
395 struct rte_eth_dev *
396 rte_eth_dev_allocated(const char *name)
397 {
398 	struct rte_eth_dev *ethdev;
399 
400 	rte_eth_dev_shared_data_prepare();
401 
402 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
403 
404 	ethdev = _rte_eth_dev_allocated(name);
405 
406 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
407 
408 	return ethdev;
409 }
410 
411 static uint16_t
412 rte_eth_dev_find_free_port(void)
413 {
414 	unsigned i;
415 
416 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
417 		/* Using shared name field to find a free port. */
418 		if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
419 			RTE_ASSERT(rte_eth_devices[i].state ==
420 				   RTE_ETH_DEV_UNUSED);
421 			return i;
422 		}
423 	}
424 	return RTE_MAX_ETHPORTS;
425 }
426 
427 static struct rte_eth_dev *
428 eth_dev_get(uint16_t port_id)
429 {
430 	struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
431 
432 	eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
433 
434 	eth_dev_last_created_port = port_id;
435 
436 	return eth_dev;
437 }
438 
439 struct rte_eth_dev *
440 rte_eth_dev_allocate(const char *name)
441 {
442 	uint16_t port_id;
443 	struct rte_eth_dev *eth_dev = NULL;
444 
445 	rte_eth_dev_shared_data_prepare();
446 
447 	/* Synchronize port creation between primary and secondary threads. */
448 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
449 
450 	if (_rte_eth_dev_allocated(name) != NULL) {
451 		RTE_ETHDEV_LOG(ERR,
452 			"Ethernet device with name %s already allocated\n",
453 			name);
454 		goto unlock;
455 	}
456 
457 	port_id = rte_eth_dev_find_free_port();
458 	if (port_id == RTE_MAX_ETHPORTS) {
459 		RTE_ETHDEV_LOG(ERR,
460 			"Reached maximum number of Ethernet ports\n");
461 		goto unlock;
462 	}
463 
464 	eth_dev = eth_dev_get(port_id);
465 	snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
466 	eth_dev->data->port_id = port_id;
467 	eth_dev->data->mtu = ETHER_MTU;
468 
469 unlock:
470 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
471 
472 	return eth_dev;
473 }
474 
475 /*
476  * Attach to a port already registered by the primary process, which
477  * makes sure that the same device would have the same port id both
478  * in the primary and secondary process.
479  */
480 struct rte_eth_dev *
481 rte_eth_dev_attach_secondary(const char *name)
482 {
483 	uint16_t i;
484 	struct rte_eth_dev *eth_dev = NULL;
485 
486 	rte_eth_dev_shared_data_prepare();
487 
488 	/* Synchronize port attachment to primary port creation and release. */
489 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
490 
491 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
492 		if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
493 			break;
494 	}
495 	if (i == RTE_MAX_ETHPORTS) {
496 		RTE_ETHDEV_LOG(ERR,
497 			"Device %s is not driven by the primary process\n",
498 			name);
499 	} else {
500 		eth_dev = eth_dev_get(i);
501 		RTE_ASSERT(eth_dev->data->port_id == i);
502 	}
503 
504 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
505 	return eth_dev;
506 }
507 
508 int
509 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
510 {
511 	if (eth_dev == NULL)
512 		return -EINVAL;
513 
514 	rte_eth_dev_shared_data_prepare();
515 
516 	if (eth_dev->state != RTE_ETH_DEV_UNUSED)
517 		_rte_eth_dev_callback_process(eth_dev,
518 				RTE_ETH_EVENT_DESTROY, NULL);
519 
520 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
521 
522 	eth_dev->state = RTE_ETH_DEV_UNUSED;
523 
524 	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
525 		rte_free(eth_dev->data->rx_queues);
526 		rte_free(eth_dev->data->tx_queues);
527 		rte_free(eth_dev->data->mac_addrs);
528 		rte_free(eth_dev->data->hash_mac_addrs);
529 		rte_free(eth_dev->data->dev_private);
530 		memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
531 	}
532 
533 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
534 
535 	return 0;
536 }
537 
538 int
539 rte_eth_dev_is_valid_port(uint16_t port_id)
540 {
541 	if (port_id >= RTE_MAX_ETHPORTS ||
542 	    (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
543 		return 0;
544 	else
545 		return 1;
546 }
547 
548 static int
549 rte_eth_is_valid_owner_id(uint64_t owner_id)
550 {
551 	if (owner_id == RTE_ETH_DEV_NO_OWNER ||
552 	    rte_eth_dev_shared_data->next_owner_id <= owner_id)
553 		return 0;
554 	return 1;
555 }
556 
557 uint64_t
558 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
559 {
560 	while (port_id < RTE_MAX_ETHPORTS &&
561 	       ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
562 	       rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
563 	       rte_eth_devices[port_id].data->owner.id != owner_id))
564 		port_id++;
565 
566 	if (port_id >= RTE_MAX_ETHPORTS)
567 		return RTE_MAX_ETHPORTS;
568 
569 	return port_id;
570 }
571 
572 int __rte_experimental
573 rte_eth_dev_owner_new(uint64_t *owner_id)
574 {
575 	rte_eth_dev_shared_data_prepare();
576 
577 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
578 
579 	*owner_id = rte_eth_dev_shared_data->next_owner_id++;
580 
581 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
582 	return 0;
583 }
584 
585 static int
586 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
587 		       const struct rte_eth_dev_owner *new_owner)
588 {
589 	struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
590 	struct rte_eth_dev_owner *port_owner;
591 	int sret;
592 
593 	if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
594 		RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
595 			port_id);
596 		return -ENODEV;
597 	}
598 
599 	if (!rte_eth_is_valid_owner_id(new_owner->id) &&
600 	    !rte_eth_is_valid_owner_id(old_owner_id)) {
601 		RTE_ETHDEV_LOG(ERR,
602 			"Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
603 		       old_owner_id, new_owner->id);
604 		return -EINVAL;
605 	}
606 
607 	port_owner = &rte_eth_devices[port_id].data->owner;
608 	if (port_owner->id != old_owner_id) {
609 		RTE_ETHDEV_LOG(ERR,
610 			"Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
611 			port_id, port_owner->name, port_owner->id);
612 		return -EPERM;
613 	}
614 
615 	sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
616 			new_owner->name);
617 	if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
618 		RTE_ETHDEV_LOG(ERR, "Port %u owner name was truncated\n",
619 			port_id);
620 
621 	port_owner->id = new_owner->id;
622 
623 	RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
624 		port_id, new_owner->name, new_owner->id);
625 
626 	return 0;
627 }
628 
629 int __rte_experimental
630 rte_eth_dev_owner_set(const uint16_t port_id,
631 		      const struct rte_eth_dev_owner *owner)
632 {
633 	int ret;
634 
635 	rte_eth_dev_shared_data_prepare();
636 
637 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
638 
639 	ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
640 
641 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
642 	return ret;
643 }
644 
645 int __rte_experimental
646 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
647 {
648 	const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
649 			{.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
650 	int ret;
651 
652 	rte_eth_dev_shared_data_prepare();
653 
654 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
655 
656 	ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
657 
658 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
659 	return ret;
660 }
661 
662 void __rte_experimental
663 rte_eth_dev_owner_delete(const uint64_t owner_id)
664 {
665 	uint16_t port_id;
666 
667 	rte_eth_dev_shared_data_prepare();
668 
669 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
670 
671 	if (rte_eth_is_valid_owner_id(owner_id)) {
672 		for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
673 			if (rte_eth_devices[port_id].data->owner.id == owner_id)
674 				memset(&rte_eth_devices[port_id].data->owner, 0,
675 				       sizeof(struct rte_eth_dev_owner));
676 		RTE_ETHDEV_LOG(NOTICE,
677 			"All port owners owned by %016"PRIx64" identifier have removed\n",
678 			owner_id);
679 	} else {
680 		RTE_ETHDEV_LOG(ERR,
681 			       "Invalid owner id=%016"PRIx64"\n",
682 			       owner_id);
683 	}
684 
685 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
686 }
687 
688 int __rte_experimental
689 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
690 {
691 	int ret = 0;
692 	struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
693 
694 	rte_eth_dev_shared_data_prepare();
695 
696 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
697 
698 	if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
699 		RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
700 			port_id);
701 		ret = -ENODEV;
702 	} else {
703 		rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
704 	}
705 
706 	rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
707 	return ret;
708 }
709 
710 int
711 rte_eth_dev_socket_id(uint16_t port_id)
712 {
713 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
714 	return rte_eth_devices[port_id].data->numa_node;
715 }
716 
717 void *
718 rte_eth_dev_get_sec_ctx(uint16_t port_id)
719 {
720 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
721 	return rte_eth_devices[port_id].security_ctx;
722 }
723 
724 uint16_t
725 rte_eth_dev_count(void)
726 {
727 	return rte_eth_dev_count_avail();
728 }
729 
730 uint16_t
731 rte_eth_dev_count_avail(void)
732 {
733 	uint16_t p;
734 	uint16_t count;
735 
736 	count = 0;
737 
738 	RTE_ETH_FOREACH_DEV(p)
739 		count++;
740 
741 	return count;
742 }
743 
744 uint16_t __rte_experimental
745 rte_eth_dev_count_total(void)
746 {
747 	uint16_t port, count = 0;
748 
749 	for (port = 0; port < RTE_MAX_ETHPORTS; port++)
750 		if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
751 			count++;
752 
753 	return count;
754 }
755 
756 int
757 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
758 {
759 	char *tmp;
760 
761 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
762 
763 	if (name == NULL) {
764 		RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
765 		return -EINVAL;
766 	}
767 
768 	/* shouldn't check 'rte_eth_devices[i].data',
769 	 * because it might be overwritten by VDEV PMD */
770 	tmp = rte_eth_dev_shared_data->data[port_id].name;
771 	strcpy(name, tmp);
772 	return 0;
773 }
774 
775 int
776 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
777 {
778 	uint32_t pid;
779 
780 	if (name == NULL) {
781 		RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
782 		return -EINVAL;
783 	}
784 
785 	for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
786 		if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
787 		    !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
788 			*port_id = pid;
789 			return 0;
790 		}
791 	}
792 
793 	return -ENODEV;
794 }
795 
796 static int
797 eth_err(uint16_t port_id, int ret)
798 {
799 	if (ret == 0)
800 		return 0;
801 	if (rte_eth_dev_is_removed(port_id))
802 		return -EIO;
803 	return ret;
804 }
805 
806 static int
807 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
808 {
809 	uint16_t old_nb_queues = dev->data->nb_rx_queues;
810 	void **rxq;
811 	unsigned i;
812 
813 	if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
814 		dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
815 				sizeof(dev->data->rx_queues[0]) * nb_queues,
816 				RTE_CACHE_LINE_SIZE);
817 		if (dev->data->rx_queues == NULL) {
818 			dev->data->nb_rx_queues = 0;
819 			return -(ENOMEM);
820 		}
821 	} else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
822 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
823 
824 		rxq = dev->data->rx_queues;
825 
826 		for (i = nb_queues; i < old_nb_queues; i++)
827 			(*dev->dev_ops->rx_queue_release)(rxq[i]);
828 		rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
829 				RTE_CACHE_LINE_SIZE);
830 		if (rxq == NULL)
831 			return -(ENOMEM);
832 		if (nb_queues > old_nb_queues) {
833 			uint16_t new_qs = nb_queues - old_nb_queues;
834 
835 			memset(rxq + old_nb_queues, 0,
836 				sizeof(rxq[0]) * new_qs);
837 		}
838 
839 		dev->data->rx_queues = rxq;
840 
841 	} else if (dev->data->rx_queues != NULL && nb_queues == 0) {
842 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
843 
844 		rxq = dev->data->rx_queues;
845 
846 		for (i = nb_queues; i < old_nb_queues; i++)
847 			(*dev->dev_ops->rx_queue_release)(rxq[i]);
848 
849 		rte_free(dev->data->rx_queues);
850 		dev->data->rx_queues = NULL;
851 	}
852 	dev->data->nb_rx_queues = nb_queues;
853 	return 0;
854 }
855 
856 int
857 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
858 {
859 	struct rte_eth_dev *dev;
860 
861 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
862 
863 	dev = &rte_eth_devices[port_id];
864 	if (!dev->data->dev_started) {
865 		RTE_ETHDEV_LOG(ERR,
866 			"Port %u must be started before start any queue\n",
867 			port_id);
868 		return -EINVAL;
869 	}
870 
871 	if (rx_queue_id >= dev->data->nb_rx_queues) {
872 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
873 		return -EINVAL;
874 	}
875 
876 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
877 
878 	if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
879 		RTE_ETHDEV_LOG(INFO,
880 			"Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
881 			rx_queue_id, port_id);
882 		return 0;
883 	}
884 
885 	return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
886 							     rx_queue_id));
887 
888 }
889 
890 int
891 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
892 {
893 	struct rte_eth_dev *dev;
894 
895 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
896 
897 	dev = &rte_eth_devices[port_id];
898 	if (rx_queue_id >= dev->data->nb_rx_queues) {
899 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
900 		return -EINVAL;
901 	}
902 
903 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
904 
905 	if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
906 		RTE_ETHDEV_LOG(INFO,
907 			"Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
908 			rx_queue_id, port_id);
909 		return 0;
910 	}
911 
912 	return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
913 
914 }
915 
916 int
917 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
918 {
919 	struct rte_eth_dev *dev;
920 
921 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
922 
923 	dev = &rte_eth_devices[port_id];
924 	if (!dev->data->dev_started) {
925 		RTE_ETHDEV_LOG(ERR,
926 			"Port %u must be started before start any queue\n",
927 			port_id);
928 		return -EINVAL;
929 	}
930 
931 	if (tx_queue_id >= dev->data->nb_tx_queues) {
932 		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
933 		return -EINVAL;
934 	}
935 
936 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
937 
938 	if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
939 		RTE_ETHDEV_LOG(INFO,
940 			"Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
941 			tx_queue_id, port_id);
942 		return 0;
943 	}
944 
945 	return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
946 }
947 
948 int
949 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
950 {
951 	struct rte_eth_dev *dev;
952 
953 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
954 
955 	dev = &rte_eth_devices[port_id];
956 	if (tx_queue_id >= dev->data->nb_tx_queues) {
957 		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
958 		return -EINVAL;
959 	}
960 
961 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
962 
963 	if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
964 		RTE_ETHDEV_LOG(INFO,
965 			"Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
966 			tx_queue_id, port_id);
967 		return 0;
968 	}
969 
970 	return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
971 
972 }
973 
974 static int
975 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
976 {
977 	uint16_t old_nb_queues = dev->data->nb_tx_queues;
978 	void **txq;
979 	unsigned i;
980 
981 	if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
982 		dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
983 						   sizeof(dev->data->tx_queues[0]) * nb_queues,
984 						   RTE_CACHE_LINE_SIZE);
985 		if (dev->data->tx_queues == NULL) {
986 			dev->data->nb_tx_queues = 0;
987 			return -(ENOMEM);
988 		}
989 	} else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
990 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
991 
992 		txq = dev->data->tx_queues;
993 
994 		for (i = nb_queues; i < old_nb_queues; i++)
995 			(*dev->dev_ops->tx_queue_release)(txq[i]);
996 		txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
997 				  RTE_CACHE_LINE_SIZE);
998 		if (txq == NULL)
999 			return -ENOMEM;
1000 		if (nb_queues > old_nb_queues) {
1001 			uint16_t new_qs = nb_queues - old_nb_queues;
1002 
1003 			memset(txq + old_nb_queues, 0,
1004 			       sizeof(txq[0]) * new_qs);
1005 		}
1006 
1007 		dev->data->tx_queues = txq;
1008 
1009 	} else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1010 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1011 
1012 		txq = dev->data->tx_queues;
1013 
1014 		for (i = nb_queues; i < old_nb_queues; i++)
1015 			(*dev->dev_ops->tx_queue_release)(txq[i]);
1016 
1017 		rte_free(dev->data->tx_queues);
1018 		dev->data->tx_queues = NULL;
1019 	}
1020 	dev->data->nb_tx_queues = nb_queues;
1021 	return 0;
1022 }
1023 
1024 uint32_t
1025 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1026 {
1027 	switch (speed) {
1028 	case ETH_SPEED_NUM_10M:
1029 		return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1030 	case ETH_SPEED_NUM_100M:
1031 		return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1032 	case ETH_SPEED_NUM_1G:
1033 		return ETH_LINK_SPEED_1G;
1034 	case ETH_SPEED_NUM_2_5G:
1035 		return ETH_LINK_SPEED_2_5G;
1036 	case ETH_SPEED_NUM_5G:
1037 		return ETH_LINK_SPEED_5G;
1038 	case ETH_SPEED_NUM_10G:
1039 		return ETH_LINK_SPEED_10G;
1040 	case ETH_SPEED_NUM_20G:
1041 		return ETH_LINK_SPEED_20G;
1042 	case ETH_SPEED_NUM_25G:
1043 		return ETH_LINK_SPEED_25G;
1044 	case ETH_SPEED_NUM_40G:
1045 		return ETH_LINK_SPEED_40G;
1046 	case ETH_SPEED_NUM_50G:
1047 		return ETH_LINK_SPEED_50G;
1048 	case ETH_SPEED_NUM_56G:
1049 		return ETH_LINK_SPEED_56G;
1050 	case ETH_SPEED_NUM_100G:
1051 		return ETH_LINK_SPEED_100G;
1052 	default:
1053 		return 0;
1054 	}
1055 }
1056 
1057 const char *
1058 rte_eth_dev_rx_offload_name(uint64_t offload)
1059 {
1060 	const char *name = "UNKNOWN";
1061 	unsigned int i;
1062 
1063 	for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1064 		if (offload == rte_rx_offload_names[i].offload) {
1065 			name = rte_rx_offload_names[i].name;
1066 			break;
1067 		}
1068 	}
1069 
1070 	return name;
1071 }
1072 
1073 const char *
1074 rte_eth_dev_tx_offload_name(uint64_t offload)
1075 {
1076 	const char *name = "UNKNOWN";
1077 	unsigned int i;
1078 
1079 	for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1080 		if (offload == rte_tx_offload_names[i].offload) {
1081 			name = rte_tx_offload_names[i].name;
1082 			break;
1083 		}
1084 	}
1085 
1086 	return name;
1087 }
1088 
1089 int
1090 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1091 		      const struct rte_eth_conf *dev_conf)
1092 {
1093 	struct rte_eth_dev *dev;
1094 	struct rte_eth_dev_info dev_info;
1095 	struct rte_eth_conf orig_conf;
1096 	int diag;
1097 	int ret;
1098 
1099 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1100 
1101 	dev = &rte_eth_devices[port_id];
1102 
1103 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1104 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1105 
1106 	if (dev->data->dev_started) {
1107 		RTE_ETHDEV_LOG(ERR,
1108 			"Port %u must be stopped to allow configuration\n",
1109 			port_id);
1110 		return -EBUSY;
1111 	}
1112 
1113 	 /* Store original config, as rollback required on failure */
1114 	memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1115 
1116 	/*
1117 	 * Copy the dev_conf parameter into the dev structure.
1118 	 * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1119 	 */
1120 	memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1121 
1122 	rte_eth_dev_info_get(port_id, &dev_info);
1123 
1124 	/* If number of queues specified by application for both Rx and Tx is
1125 	 * zero, use driver preferred values. This cannot be done individually
1126 	 * as it is valid for either Tx or Rx (but not both) to be zero.
1127 	 * If driver does not provide any preferred valued, fall back on
1128 	 * EAL defaults.
1129 	 */
1130 	if (nb_rx_q == 0 && nb_tx_q == 0) {
1131 		nb_rx_q = dev_info.default_rxportconf.nb_queues;
1132 		if (nb_rx_q == 0)
1133 			nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1134 		nb_tx_q = dev_info.default_txportconf.nb_queues;
1135 		if (nb_tx_q == 0)
1136 			nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1137 	}
1138 
1139 	if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1140 		RTE_ETHDEV_LOG(ERR,
1141 			"Number of RX queues requested (%u) is greater than max supported(%d)\n",
1142 			nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1143 		ret = -EINVAL;
1144 		goto rollback;
1145 	}
1146 
1147 	if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1148 		RTE_ETHDEV_LOG(ERR,
1149 			"Number of TX queues requested (%u) is greater than max supported(%d)\n",
1150 			nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1151 		ret = -EINVAL;
1152 		goto rollback;
1153 	}
1154 
1155 	/*
1156 	 * Check that the numbers of RX and TX queues are not greater
1157 	 * than the maximum number of RX and TX queues supported by the
1158 	 * configured device.
1159 	 */
1160 	if (nb_rx_q > dev_info.max_rx_queues) {
1161 		RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1162 			port_id, nb_rx_q, dev_info.max_rx_queues);
1163 		ret = -EINVAL;
1164 		goto rollback;
1165 	}
1166 
1167 	if (nb_tx_q > dev_info.max_tx_queues) {
1168 		RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1169 			port_id, nb_tx_q, dev_info.max_tx_queues);
1170 		ret = -EINVAL;
1171 		goto rollback;
1172 	}
1173 
1174 	/* Check that the device supports requested interrupts */
1175 	if ((dev_conf->intr_conf.lsc == 1) &&
1176 			(!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1177 		RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1178 			dev->device->driver->name);
1179 		ret = -EINVAL;
1180 		goto rollback;
1181 	}
1182 	if ((dev_conf->intr_conf.rmv == 1) &&
1183 			(!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1184 		RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1185 			dev->device->driver->name);
1186 		ret = -EINVAL;
1187 		goto rollback;
1188 	}
1189 
1190 	/*
1191 	 * If jumbo frames are enabled, check that the maximum RX packet
1192 	 * length is supported by the configured device.
1193 	 */
1194 	if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1195 		if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1196 			RTE_ETHDEV_LOG(ERR,
1197 				"Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1198 				port_id, dev_conf->rxmode.max_rx_pkt_len,
1199 				dev_info.max_rx_pktlen);
1200 			ret = -EINVAL;
1201 			goto rollback;
1202 		} else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1203 			RTE_ETHDEV_LOG(ERR,
1204 				"Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1205 				port_id, dev_conf->rxmode.max_rx_pkt_len,
1206 				(unsigned)ETHER_MIN_LEN);
1207 			ret = -EINVAL;
1208 			goto rollback;
1209 		}
1210 	} else {
1211 		if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1212 			dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1213 			/* Use default value */
1214 			dev->data->dev_conf.rxmode.max_rx_pkt_len =
1215 							ETHER_MAX_LEN;
1216 	}
1217 
1218 	/* Any requested offloading must be within its device capabilities */
1219 	if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1220 	     dev_conf->rxmode.offloads) {
1221 		RTE_ETHDEV_LOG(ERR,
1222 			"Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1223 			"capabilities 0x%"PRIx64" in %s()\n",
1224 			port_id, dev_conf->rxmode.offloads,
1225 			dev_info.rx_offload_capa,
1226 			__func__);
1227 		ret = -EINVAL;
1228 		goto rollback;
1229 	}
1230 	if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1231 	     dev_conf->txmode.offloads) {
1232 		RTE_ETHDEV_LOG(ERR,
1233 			"Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1234 			"capabilities 0x%"PRIx64" in %s()\n",
1235 			port_id, dev_conf->txmode.offloads,
1236 			dev_info.tx_offload_capa,
1237 			__func__);
1238 		ret = -EINVAL;
1239 		goto rollback;
1240 	}
1241 
1242 	/* Check that device supports requested rss hash functions. */
1243 	if ((dev_info.flow_type_rss_offloads |
1244 	     dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1245 	    dev_info.flow_type_rss_offloads) {
1246 		RTE_ETHDEV_LOG(ERR,
1247 			"Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1248 			port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1249 			dev_info.flow_type_rss_offloads);
1250 		ret = -EINVAL;
1251 		goto rollback;
1252 	}
1253 
1254 	/*
1255 	 * Setup new number of RX/TX queues and reconfigure device.
1256 	 */
1257 	diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1258 	if (diag != 0) {
1259 		RTE_ETHDEV_LOG(ERR,
1260 			"Port%u rte_eth_dev_rx_queue_config = %d\n",
1261 			port_id, diag);
1262 		ret = diag;
1263 		goto rollback;
1264 	}
1265 
1266 	diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1267 	if (diag != 0) {
1268 		RTE_ETHDEV_LOG(ERR,
1269 			"Port%u rte_eth_dev_tx_queue_config = %d\n",
1270 			port_id, diag);
1271 		rte_eth_dev_rx_queue_config(dev, 0);
1272 		ret = diag;
1273 		goto rollback;
1274 	}
1275 
1276 	diag = (*dev->dev_ops->dev_configure)(dev);
1277 	if (diag != 0) {
1278 		RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1279 			port_id, diag);
1280 		rte_eth_dev_rx_queue_config(dev, 0);
1281 		rte_eth_dev_tx_queue_config(dev, 0);
1282 		ret = eth_err(port_id, diag);
1283 		goto rollback;
1284 	}
1285 
1286 	/* Initialize Rx profiling if enabled at compilation time. */
1287 	diag = __rte_eth_dev_profile_init(port_id, dev);
1288 	if (diag != 0) {
1289 		RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1290 			port_id, diag);
1291 		rte_eth_dev_rx_queue_config(dev, 0);
1292 		rte_eth_dev_tx_queue_config(dev, 0);
1293 		ret = eth_err(port_id, diag);
1294 		goto rollback;
1295 	}
1296 
1297 	return 0;
1298 
1299 rollback:
1300 	memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1301 
1302 	return ret;
1303 }
1304 
1305 void
1306 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1307 {
1308 	if (dev->data->dev_started) {
1309 		RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1310 			dev->data->port_id);
1311 		return;
1312 	}
1313 
1314 	rte_eth_dev_rx_queue_config(dev, 0);
1315 	rte_eth_dev_tx_queue_config(dev, 0);
1316 
1317 	memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1318 }
1319 
1320 static void
1321 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1322 			struct rte_eth_dev_info *dev_info)
1323 {
1324 	struct ether_addr *addr;
1325 	uint16_t i;
1326 	uint32_t pool = 0;
1327 	uint64_t pool_mask;
1328 
1329 	/* replay MAC address configuration including default MAC */
1330 	addr = &dev->data->mac_addrs[0];
1331 	if (*dev->dev_ops->mac_addr_set != NULL)
1332 		(*dev->dev_ops->mac_addr_set)(dev, addr);
1333 	else if (*dev->dev_ops->mac_addr_add != NULL)
1334 		(*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1335 
1336 	if (*dev->dev_ops->mac_addr_add != NULL) {
1337 		for (i = 1; i < dev_info->max_mac_addrs; i++) {
1338 			addr = &dev->data->mac_addrs[i];
1339 
1340 			/* skip zero address */
1341 			if (is_zero_ether_addr(addr))
1342 				continue;
1343 
1344 			pool = 0;
1345 			pool_mask = dev->data->mac_pool_sel[i];
1346 
1347 			do {
1348 				if (pool_mask & 1ULL)
1349 					(*dev->dev_ops->mac_addr_add)(dev,
1350 						addr, i, pool);
1351 				pool_mask >>= 1;
1352 				pool++;
1353 			} while (pool_mask);
1354 		}
1355 	}
1356 }
1357 
1358 static void
1359 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1360 			   struct rte_eth_dev_info *dev_info, uint16_t port_id)
1361 {
1362 	if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1363 		rte_eth_dev_mac_restore(dev, dev_info);
1364 
1365 	/* replay promiscuous configuration */
1366 	if (rte_eth_promiscuous_get(port_id) == 1)
1367 		rte_eth_promiscuous_enable(port_id);
1368 	else if (rte_eth_promiscuous_get(port_id) == 0)
1369 		rte_eth_promiscuous_disable(port_id);
1370 
1371 	/* replay all multicast configuration */
1372 	if (rte_eth_allmulticast_get(port_id) == 1)
1373 		rte_eth_allmulticast_enable(port_id);
1374 	else if (rte_eth_allmulticast_get(port_id) == 0)
1375 		rte_eth_allmulticast_disable(port_id);
1376 }
1377 
1378 int
1379 rte_eth_dev_start(uint16_t port_id)
1380 {
1381 	struct rte_eth_dev *dev;
1382 	struct rte_eth_dev_info dev_info;
1383 	int diag;
1384 
1385 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1386 
1387 	dev = &rte_eth_devices[port_id];
1388 
1389 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1390 
1391 	if (dev->data->dev_started != 0) {
1392 		RTE_ETHDEV_LOG(INFO,
1393 			"Device with port_id=%"PRIu16" already started\n",
1394 			port_id);
1395 		return 0;
1396 	}
1397 
1398 	rte_eth_dev_info_get(port_id, &dev_info);
1399 
1400 	/* Lets restore MAC now if device does not support live change */
1401 	if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1402 		rte_eth_dev_mac_restore(dev, &dev_info);
1403 
1404 	diag = (*dev->dev_ops->dev_start)(dev);
1405 	if (diag == 0)
1406 		dev->data->dev_started = 1;
1407 	else
1408 		return eth_err(port_id, diag);
1409 
1410 	rte_eth_dev_config_restore(dev, &dev_info, port_id);
1411 
1412 	if (dev->data->dev_conf.intr_conf.lsc == 0) {
1413 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1414 		(*dev->dev_ops->link_update)(dev, 0);
1415 	}
1416 	return 0;
1417 }
1418 
1419 void
1420 rte_eth_dev_stop(uint16_t port_id)
1421 {
1422 	struct rte_eth_dev *dev;
1423 
1424 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
1425 	dev = &rte_eth_devices[port_id];
1426 
1427 	RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1428 
1429 	if (dev->data->dev_started == 0) {
1430 		RTE_ETHDEV_LOG(INFO,
1431 			"Device with port_id=%"PRIu16" already stopped\n",
1432 			port_id);
1433 		return;
1434 	}
1435 
1436 	dev->data->dev_started = 0;
1437 	(*dev->dev_ops->dev_stop)(dev);
1438 }
1439 
1440 int
1441 rte_eth_dev_set_link_up(uint16_t port_id)
1442 {
1443 	struct rte_eth_dev *dev;
1444 
1445 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1446 
1447 	dev = &rte_eth_devices[port_id];
1448 
1449 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1450 	return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1451 }
1452 
1453 int
1454 rte_eth_dev_set_link_down(uint16_t port_id)
1455 {
1456 	struct rte_eth_dev *dev;
1457 
1458 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1459 
1460 	dev = &rte_eth_devices[port_id];
1461 
1462 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1463 	return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1464 }
1465 
1466 void
1467 rte_eth_dev_close(uint16_t port_id)
1468 {
1469 	struct rte_eth_dev *dev;
1470 
1471 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
1472 	dev = &rte_eth_devices[port_id];
1473 
1474 	RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1475 	dev->data->dev_started = 0;
1476 	(*dev->dev_ops->dev_close)(dev);
1477 
1478 	/* check behaviour flag - temporary for PMD migration */
1479 	if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1480 		/* new behaviour: send event + reset state + free all data */
1481 		rte_eth_dev_release_port(dev);
1482 		return;
1483 	}
1484 	RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1485 			"The driver %s should migrate to the new behaviour.\n",
1486 			dev->device->driver->name);
1487 	/* old behaviour: only free queue arrays */
1488 	dev->data->nb_rx_queues = 0;
1489 	rte_free(dev->data->rx_queues);
1490 	dev->data->rx_queues = NULL;
1491 	dev->data->nb_tx_queues = 0;
1492 	rte_free(dev->data->tx_queues);
1493 	dev->data->tx_queues = NULL;
1494 }
1495 
1496 int
1497 rte_eth_dev_reset(uint16_t port_id)
1498 {
1499 	struct rte_eth_dev *dev;
1500 	int ret;
1501 
1502 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1503 	dev = &rte_eth_devices[port_id];
1504 
1505 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1506 
1507 	rte_eth_dev_stop(port_id);
1508 	ret = dev->dev_ops->dev_reset(dev);
1509 
1510 	return eth_err(port_id, ret);
1511 }
1512 
1513 int __rte_experimental
1514 rte_eth_dev_is_removed(uint16_t port_id)
1515 {
1516 	struct rte_eth_dev *dev;
1517 	int ret;
1518 
1519 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1520 
1521 	dev = &rte_eth_devices[port_id];
1522 
1523 	if (dev->state == RTE_ETH_DEV_REMOVED)
1524 		return 1;
1525 
1526 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1527 
1528 	ret = dev->dev_ops->is_removed(dev);
1529 	if (ret != 0)
1530 		/* Device is physically removed. */
1531 		dev->state = RTE_ETH_DEV_REMOVED;
1532 
1533 	return ret;
1534 }
1535 
1536 int
1537 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1538 		       uint16_t nb_rx_desc, unsigned int socket_id,
1539 		       const struct rte_eth_rxconf *rx_conf,
1540 		       struct rte_mempool *mp)
1541 {
1542 	int ret;
1543 	uint32_t mbp_buf_size;
1544 	struct rte_eth_dev *dev;
1545 	struct rte_eth_dev_info dev_info;
1546 	struct rte_eth_rxconf local_conf;
1547 	void **rxq;
1548 
1549 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1550 
1551 	dev = &rte_eth_devices[port_id];
1552 	if (rx_queue_id >= dev->data->nb_rx_queues) {
1553 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1554 		return -EINVAL;
1555 	}
1556 
1557 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1558 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1559 
1560 	/*
1561 	 * Check the size of the mbuf data buffer.
1562 	 * This value must be provided in the private data of the memory pool.
1563 	 * First check that the memory pool has a valid private data.
1564 	 */
1565 	rte_eth_dev_info_get(port_id, &dev_info);
1566 	if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1567 		RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1568 			mp->name, (int)mp->private_data_size,
1569 			(int)sizeof(struct rte_pktmbuf_pool_private));
1570 		return -ENOSPC;
1571 	}
1572 	mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1573 
1574 	if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1575 		RTE_ETHDEV_LOG(ERR,
1576 			"%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1577 			mp->name, (int)mbp_buf_size,
1578 			(int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1579 			(int)RTE_PKTMBUF_HEADROOM,
1580 			(int)dev_info.min_rx_bufsize);
1581 		return -EINVAL;
1582 	}
1583 
1584 	/* Use default specified by driver, if nb_rx_desc is zero */
1585 	if (nb_rx_desc == 0) {
1586 		nb_rx_desc = dev_info.default_rxportconf.ring_size;
1587 		/* If driver default is also zero, fall back on EAL default */
1588 		if (nb_rx_desc == 0)
1589 			nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1590 	}
1591 
1592 	if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1593 			nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1594 			nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1595 
1596 		RTE_ETHDEV_LOG(ERR,
1597 			"Invalid value for nb_rx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1598 			nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1599 			dev_info.rx_desc_lim.nb_min,
1600 			dev_info.rx_desc_lim.nb_align);
1601 		return -EINVAL;
1602 	}
1603 
1604 	if (dev->data->dev_started &&
1605 		!(dev_info.dev_capa &
1606 			RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1607 		return -EBUSY;
1608 
1609 	if (dev->data->dev_started &&
1610 		(dev->data->rx_queue_state[rx_queue_id] !=
1611 			RTE_ETH_QUEUE_STATE_STOPPED))
1612 		return -EBUSY;
1613 
1614 	rxq = dev->data->rx_queues;
1615 	if (rxq[rx_queue_id]) {
1616 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1617 					-ENOTSUP);
1618 		(*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1619 		rxq[rx_queue_id] = NULL;
1620 	}
1621 
1622 	if (rx_conf == NULL)
1623 		rx_conf = &dev_info.default_rxconf;
1624 
1625 	local_conf = *rx_conf;
1626 
1627 	/*
1628 	 * If an offloading has already been enabled in
1629 	 * rte_eth_dev_configure(), it has been enabled on all queues,
1630 	 * so there is no need to enable it in this queue again.
1631 	 * The local_conf.offloads input to underlying PMD only carries
1632 	 * those offloadings which are only enabled on this queue and
1633 	 * not enabled on all queues.
1634 	 */
1635 	local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1636 
1637 	/*
1638 	 * New added offloadings for this queue are those not enabled in
1639 	 * rte_eth_dev_configure() and they must be per-queue type.
1640 	 * A pure per-port offloading can't be enabled on a queue while
1641 	 * disabled on another queue. A pure per-port offloading can't
1642 	 * be enabled for any queue as new added one if it hasn't been
1643 	 * enabled in rte_eth_dev_configure().
1644 	 */
1645 	if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1646 	     local_conf.offloads) {
1647 		RTE_ETHDEV_LOG(ERR,
1648 			"Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1649 			"within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1650 			port_id, rx_queue_id, local_conf.offloads,
1651 			dev_info.rx_queue_offload_capa,
1652 			__func__);
1653 		return -EINVAL;
1654 	}
1655 
1656 	ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1657 					      socket_id, &local_conf, mp);
1658 	if (!ret) {
1659 		if (!dev->data->min_rx_buf_size ||
1660 		    dev->data->min_rx_buf_size > mbp_buf_size)
1661 			dev->data->min_rx_buf_size = mbp_buf_size;
1662 	}
1663 
1664 	return eth_err(port_id, ret);
1665 }
1666 
1667 int
1668 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1669 		       uint16_t nb_tx_desc, unsigned int socket_id,
1670 		       const struct rte_eth_txconf *tx_conf)
1671 {
1672 	struct rte_eth_dev *dev;
1673 	struct rte_eth_dev_info dev_info;
1674 	struct rte_eth_txconf local_conf;
1675 	void **txq;
1676 
1677 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1678 
1679 	dev = &rte_eth_devices[port_id];
1680 	if (tx_queue_id >= dev->data->nb_tx_queues) {
1681 		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1682 		return -EINVAL;
1683 	}
1684 
1685 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1686 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1687 
1688 	rte_eth_dev_info_get(port_id, &dev_info);
1689 
1690 	/* Use default specified by driver, if nb_tx_desc is zero */
1691 	if (nb_tx_desc == 0) {
1692 		nb_tx_desc = dev_info.default_txportconf.ring_size;
1693 		/* If driver default is zero, fall back on EAL default */
1694 		if (nb_tx_desc == 0)
1695 			nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1696 	}
1697 	if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1698 	    nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1699 	    nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1700 		RTE_ETHDEV_LOG(ERR,
1701 			"Invalid value for nb_tx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1702 			nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1703 			dev_info.tx_desc_lim.nb_min,
1704 			dev_info.tx_desc_lim.nb_align);
1705 		return -EINVAL;
1706 	}
1707 
1708 	if (dev->data->dev_started &&
1709 		!(dev_info.dev_capa &
1710 			RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1711 		return -EBUSY;
1712 
1713 	if (dev->data->dev_started &&
1714 		(dev->data->tx_queue_state[tx_queue_id] !=
1715 			RTE_ETH_QUEUE_STATE_STOPPED))
1716 		return -EBUSY;
1717 
1718 	txq = dev->data->tx_queues;
1719 	if (txq[tx_queue_id]) {
1720 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1721 					-ENOTSUP);
1722 		(*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1723 		txq[tx_queue_id] = NULL;
1724 	}
1725 
1726 	if (tx_conf == NULL)
1727 		tx_conf = &dev_info.default_txconf;
1728 
1729 	local_conf = *tx_conf;
1730 
1731 	/*
1732 	 * If an offloading has already been enabled in
1733 	 * rte_eth_dev_configure(), it has been enabled on all queues,
1734 	 * so there is no need to enable it in this queue again.
1735 	 * The local_conf.offloads input to underlying PMD only carries
1736 	 * those offloadings which are only enabled on this queue and
1737 	 * not enabled on all queues.
1738 	 */
1739 	local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1740 
1741 	/*
1742 	 * New added offloadings for this queue are those not enabled in
1743 	 * rte_eth_dev_configure() and they must be per-queue type.
1744 	 * A pure per-port offloading can't be enabled on a queue while
1745 	 * disabled on another queue. A pure per-port offloading can't
1746 	 * be enabled for any queue as new added one if it hasn't been
1747 	 * enabled in rte_eth_dev_configure().
1748 	 */
1749 	if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1750 	     local_conf.offloads) {
1751 		RTE_ETHDEV_LOG(ERR,
1752 			"Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1753 			"within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1754 			port_id, tx_queue_id, local_conf.offloads,
1755 			dev_info.tx_queue_offload_capa,
1756 			__func__);
1757 		return -EINVAL;
1758 	}
1759 
1760 	return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1761 		       tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1762 }
1763 
1764 void
1765 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1766 		void *userdata __rte_unused)
1767 {
1768 	unsigned i;
1769 
1770 	for (i = 0; i < unsent; i++)
1771 		rte_pktmbuf_free(pkts[i]);
1772 }
1773 
1774 void
1775 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1776 		void *userdata)
1777 {
1778 	uint64_t *count = userdata;
1779 	unsigned i;
1780 
1781 	for (i = 0; i < unsent; i++)
1782 		rte_pktmbuf_free(pkts[i]);
1783 
1784 	*count += unsent;
1785 }
1786 
1787 int
1788 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1789 		buffer_tx_error_fn cbfn, void *userdata)
1790 {
1791 	buffer->error_callback = cbfn;
1792 	buffer->error_userdata = userdata;
1793 	return 0;
1794 }
1795 
1796 int
1797 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1798 {
1799 	int ret = 0;
1800 
1801 	if (buffer == NULL)
1802 		return -EINVAL;
1803 
1804 	buffer->size = size;
1805 	if (buffer->error_callback == NULL) {
1806 		ret = rte_eth_tx_buffer_set_err_callback(
1807 			buffer, rte_eth_tx_buffer_drop_callback, NULL);
1808 	}
1809 
1810 	return ret;
1811 }
1812 
1813 int
1814 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1815 {
1816 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1817 	int ret;
1818 
1819 	/* Validate Input Data. Bail if not valid or not supported. */
1820 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1821 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1822 
1823 	/* Call driver to free pending mbufs. */
1824 	ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1825 					       free_cnt);
1826 	return eth_err(port_id, ret);
1827 }
1828 
1829 void
1830 rte_eth_promiscuous_enable(uint16_t port_id)
1831 {
1832 	struct rte_eth_dev *dev;
1833 
1834 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
1835 	dev = &rte_eth_devices[port_id];
1836 
1837 	RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1838 	(*dev->dev_ops->promiscuous_enable)(dev);
1839 	dev->data->promiscuous = 1;
1840 }
1841 
1842 void
1843 rte_eth_promiscuous_disable(uint16_t port_id)
1844 {
1845 	struct rte_eth_dev *dev;
1846 
1847 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
1848 	dev = &rte_eth_devices[port_id];
1849 
1850 	RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1851 	dev->data->promiscuous = 0;
1852 	(*dev->dev_ops->promiscuous_disable)(dev);
1853 }
1854 
1855 int
1856 rte_eth_promiscuous_get(uint16_t port_id)
1857 {
1858 	struct rte_eth_dev *dev;
1859 
1860 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1861 
1862 	dev = &rte_eth_devices[port_id];
1863 	return dev->data->promiscuous;
1864 }
1865 
1866 void
1867 rte_eth_allmulticast_enable(uint16_t port_id)
1868 {
1869 	struct rte_eth_dev *dev;
1870 
1871 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
1872 	dev = &rte_eth_devices[port_id];
1873 
1874 	RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1875 	(*dev->dev_ops->allmulticast_enable)(dev);
1876 	dev->data->all_multicast = 1;
1877 }
1878 
1879 void
1880 rte_eth_allmulticast_disable(uint16_t port_id)
1881 {
1882 	struct rte_eth_dev *dev;
1883 
1884 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
1885 	dev = &rte_eth_devices[port_id];
1886 
1887 	RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1888 	dev->data->all_multicast = 0;
1889 	(*dev->dev_ops->allmulticast_disable)(dev);
1890 }
1891 
1892 int
1893 rte_eth_allmulticast_get(uint16_t port_id)
1894 {
1895 	struct rte_eth_dev *dev;
1896 
1897 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1898 
1899 	dev = &rte_eth_devices[port_id];
1900 	return dev->data->all_multicast;
1901 }
1902 
1903 void
1904 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1905 {
1906 	struct rte_eth_dev *dev;
1907 
1908 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
1909 	dev = &rte_eth_devices[port_id];
1910 
1911 	if (dev->data->dev_conf.intr_conf.lsc &&
1912 	    dev->data->dev_started)
1913 		rte_eth_linkstatus_get(dev, eth_link);
1914 	else {
1915 		RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1916 		(*dev->dev_ops->link_update)(dev, 1);
1917 		*eth_link = dev->data->dev_link;
1918 	}
1919 }
1920 
1921 void
1922 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1923 {
1924 	struct rte_eth_dev *dev;
1925 
1926 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
1927 	dev = &rte_eth_devices[port_id];
1928 
1929 	if (dev->data->dev_conf.intr_conf.lsc &&
1930 	    dev->data->dev_started)
1931 		rte_eth_linkstatus_get(dev, eth_link);
1932 	else {
1933 		RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1934 		(*dev->dev_ops->link_update)(dev, 0);
1935 		*eth_link = dev->data->dev_link;
1936 	}
1937 }
1938 
1939 int
1940 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1941 {
1942 	struct rte_eth_dev *dev;
1943 
1944 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1945 
1946 	dev = &rte_eth_devices[port_id];
1947 	memset(stats, 0, sizeof(*stats));
1948 
1949 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1950 	stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1951 	return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1952 }
1953 
1954 int
1955 rte_eth_stats_reset(uint16_t port_id)
1956 {
1957 	struct rte_eth_dev *dev;
1958 
1959 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1960 	dev = &rte_eth_devices[port_id];
1961 
1962 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1963 	(*dev->dev_ops->stats_reset)(dev);
1964 	dev->data->rx_mbuf_alloc_failed = 0;
1965 
1966 	return 0;
1967 }
1968 
1969 static inline int
1970 get_xstats_basic_count(struct rte_eth_dev *dev)
1971 {
1972 	uint16_t nb_rxqs, nb_txqs;
1973 	int count;
1974 
1975 	nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1976 	nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1977 
1978 	count = RTE_NB_STATS;
1979 	count += nb_rxqs * RTE_NB_RXQ_STATS;
1980 	count += nb_txqs * RTE_NB_TXQ_STATS;
1981 
1982 	return count;
1983 }
1984 
1985 static int
1986 get_xstats_count(uint16_t port_id)
1987 {
1988 	struct rte_eth_dev *dev;
1989 	int count;
1990 
1991 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1992 	dev = &rte_eth_devices[port_id];
1993 	if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1994 		count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1995 				NULL, 0);
1996 		if (count < 0)
1997 			return eth_err(port_id, count);
1998 	}
1999 	if (dev->dev_ops->xstats_get_names != NULL) {
2000 		count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2001 		if (count < 0)
2002 			return eth_err(port_id, count);
2003 	} else
2004 		count = 0;
2005 
2006 
2007 	count += get_xstats_basic_count(dev);
2008 
2009 	return count;
2010 }
2011 
2012 int
2013 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2014 		uint64_t *id)
2015 {
2016 	int cnt_xstats, idx_xstat;
2017 
2018 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2019 
2020 	if (!id) {
2021 		RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2022 		return -ENOMEM;
2023 	}
2024 
2025 	if (!xstat_name) {
2026 		RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2027 		return -ENOMEM;
2028 	}
2029 
2030 	/* Get count */
2031 	cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2032 	if (cnt_xstats  < 0) {
2033 		RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2034 		return -ENODEV;
2035 	}
2036 
2037 	/* Get id-name lookup table */
2038 	struct rte_eth_xstat_name xstats_names[cnt_xstats];
2039 
2040 	if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2041 			port_id, xstats_names, cnt_xstats, NULL)) {
2042 		RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2043 		return -1;
2044 	}
2045 
2046 	for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2047 		if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2048 			*id = idx_xstat;
2049 			return 0;
2050 		};
2051 	}
2052 
2053 	return -EINVAL;
2054 }
2055 
2056 /* retrieve basic stats names */
2057 static int
2058 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2059 	struct rte_eth_xstat_name *xstats_names)
2060 {
2061 	int cnt_used_entries = 0;
2062 	uint32_t idx, id_queue;
2063 	uint16_t num_q;
2064 
2065 	for (idx = 0; idx < RTE_NB_STATS; idx++) {
2066 		snprintf(xstats_names[cnt_used_entries].name,
2067 			sizeof(xstats_names[0].name),
2068 			"%s", rte_stats_strings[idx].name);
2069 		cnt_used_entries++;
2070 	}
2071 	num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2072 	for (id_queue = 0; id_queue < num_q; id_queue++) {
2073 		for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2074 			snprintf(xstats_names[cnt_used_entries].name,
2075 				sizeof(xstats_names[0].name),
2076 				"rx_q%u%s",
2077 				id_queue, rte_rxq_stats_strings[idx].name);
2078 			cnt_used_entries++;
2079 		}
2080 
2081 	}
2082 	num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2083 	for (id_queue = 0; id_queue < num_q; id_queue++) {
2084 		for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2085 			snprintf(xstats_names[cnt_used_entries].name,
2086 				sizeof(xstats_names[0].name),
2087 				"tx_q%u%s",
2088 				id_queue, rte_txq_stats_strings[idx].name);
2089 			cnt_used_entries++;
2090 		}
2091 	}
2092 	return cnt_used_entries;
2093 }
2094 
2095 /* retrieve ethdev extended statistics names */
2096 int
2097 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2098 	struct rte_eth_xstat_name *xstats_names, unsigned int size,
2099 	uint64_t *ids)
2100 {
2101 	struct rte_eth_xstat_name *xstats_names_copy;
2102 	unsigned int no_basic_stat_requested = 1;
2103 	unsigned int no_ext_stat_requested = 1;
2104 	unsigned int expected_entries;
2105 	unsigned int basic_count;
2106 	struct rte_eth_dev *dev;
2107 	unsigned int i;
2108 	int ret;
2109 
2110 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2111 	dev = &rte_eth_devices[port_id];
2112 
2113 	basic_count = get_xstats_basic_count(dev);
2114 	ret = get_xstats_count(port_id);
2115 	if (ret < 0)
2116 		return ret;
2117 	expected_entries = (unsigned int)ret;
2118 
2119 	/* Return max number of stats if no ids given */
2120 	if (!ids) {
2121 		if (!xstats_names)
2122 			return expected_entries;
2123 		else if (xstats_names && size < expected_entries)
2124 			return expected_entries;
2125 	}
2126 
2127 	if (ids && !xstats_names)
2128 		return -EINVAL;
2129 
2130 	if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2131 		uint64_t ids_copy[size];
2132 
2133 		for (i = 0; i < size; i++) {
2134 			if (ids[i] < basic_count) {
2135 				no_basic_stat_requested = 0;
2136 				break;
2137 			}
2138 
2139 			/*
2140 			 * Convert ids to xstats ids that PMD knows.
2141 			 * ids known by user are basic + extended stats.
2142 			 */
2143 			ids_copy[i] = ids[i] - basic_count;
2144 		}
2145 
2146 		if (no_basic_stat_requested)
2147 			return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2148 					xstats_names, ids_copy, size);
2149 	}
2150 
2151 	/* Retrieve all stats */
2152 	if (!ids) {
2153 		int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2154 				expected_entries);
2155 		if (num_stats < 0 || num_stats > (int)expected_entries)
2156 			return num_stats;
2157 		else
2158 			return expected_entries;
2159 	}
2160 
2161 	xstats_names_copy = calloc(expected_entries,
2162 		sizeof(struct rte_eth_xstat_name));
2163 
2164 	if (!xstats_names_copy) {
2165 		RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2166 		return -ENOMEM;
2167 	}
2168 
2169 	if (ids) {
2170 		for (i = 0; i < size; i++) {
2171 			if (ids[i] >= basic_count) {
2172 				no_ext_stat_requested = 0;
2173 				break;
2174 			}
2175 		}
2176 	}
2177 
2178 	/* Fill xstats_names_copy structure */
2179 	if (ids && no_ext_stat_requested) {
2180 		rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2181 	} else {
2182 		ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2183 			expected_entries);
2184 		if (ret < 0) {
2185 			free(xstats_names_copy);
2186 			return ret;
2187 		}
2188 	}
2189 
2190 	/* Filter stats */
2191 	for (i = 0; i < size; i++) {
2192 		if (ids[i] >= expected_entries) {
2193 			RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2194 			free(xstats_names_copy);
2195 			return -1;
2196 		}
2197 		xstats_names[i] = xstats_names_copy[ids[i]];
2198 	}
2199 
2200 	free(xstats_names_copy);
2201 	return size;
2202 }
2203 
2204 int
2205 rte_eth_xstats_get_names(uint16_t port_id,
2206 	struct rte_eth_xstat_name *xstats_names,
2207 	unsigned int size)
2208 {
2209 	struct rte_eth_dev *dev;
2210 	int cnt_used_entries;
2211 	int cnt_expected_entries;
2212 	int cnt_driver_entries;
2213 
2214 	cnt_expected_entries = get_xstats_count(port_id);
2215 	if (xstats_names == NULL || cnt_expected_entries < 0 ||
2216 			(int)size < cnt_expected_entries)
2217 		return cnt_expected_entries;
2218 
2219 	/* port_id checked in get_xstats_count() */
2220 	dev = &rte_eth_devices[port_id];
2221 
2222 	cnt_used_entries = rte_eth_basic_stats_get_names(
2223 		dev, xstats_names);
2224 
2225 	if (dev->dev_ops->xstats_get_names != NULL) {
2226 		/* If there are any driver-specific xstats, append them
2227 		 * to end of list.
2228 		 */
2229 		cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2230 			dev,
2231 			xstats_names + cnt_used_entries,
2232 			size - cnt_used_entries);
2233 		if (cnt_driver_entries < 0)
2234 			return eth_err(port_id, cnt_driver_entries);
2235 		cnt_used_entries += cnt_driver_entries;
2236 	}
2237 
2238 	return cnt_used_entries;
2239 }
2240 
2241 
2242 static int
2243 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2244 {
2245 	struct rte_eth_dev *dev;
2246 	struct rte_eth_stats eth_stats;
2247 	unsigned int count = 0, i, q;
2248 	uint64_t val, *stats_ptr;
2249 	uint16_t nb_rxqs, nb_txqs;
2250 	int ret;
2251 
2252 	ret = rte_eth_stats_get(port_id, &eth_stats);
2253 	if (ret < 0)
2254 		return ret;
2255 
2256 	dev = &rte_eth_devices[port_id];
2257 
2258 	nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2259 	nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2260 
2261 	/* global stats */
2262 	for (i = 0; i < RTE_NB_STATS; i++) {
2263 		stats_ptr = RTE_PTR_ADD(&eth_stats,
2264 					rte_stats_strings[i].offset);
2265 		val = *stats_ptr;
2266 		xstats[count++].value = val;
2267 	}
2268 
2269 	/* per-rxq stats */
2270 	for (q = 0; q < nb_rxqs; q++) {
2271 		for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2272 			stats_ptr = RTE_PTR_ADD(&eth_stats,
2273 					rte_rxq_stats_strings[i].offset +
2274 					q * sizeof(uint64_t));
2275 			val = *stats_ptr;
2276 			xstats[count++].value = val;
2277 		}
2278 	}
2279 
2280 	/* per-txq stats */
2281 	for (q = 0; q < nb_txqs; q++) {
2282 		for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2283 			stats_ptr = RTE_PTR_ADD(&eth_stats,
2284 					rte_txq_stats_strings[i].offset +
2285 					q * sizeof(uint64_t));
2286 			val = *stats_ptr;
2287 			xstats[count++].value = val;
2288 		}
2289 	}
2290 	return count;
2291 }
2292 
2293 /* retrieve ethdev extended statistics */
2294 int
2295 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2296 			 uint64_t *values, unsigned int size)
2297 {
2298 	unsigned int no_basic_stat_requested = 1;
2299 	unsigned int no_ext_stat_requested = 1;
2300 	unsigned int num_xstats_filled;
2301 	unsigned int basic_count;
2302 	uint16_t expected_entries;
2303 	struct rte_eth_dev *dev;
2304 	unsigned int i;
2305 	int ret;
2306 
2307 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2308 	ret = get_xstats_count(port_id);
2309 	if (ret < 0)
2310 		return ret;
2311 	expected_entries = (uint16_t)ret;
2312 	struct rte_eth_xstat xstats[expected_entries];
2313 	dev = &rte_eth_devices[port_id];
2314 	basic_count = get_xstats_basic_count(dev);
2315 
2316 	/* Return max number of stats if no ids given */
2317 	if (!ids) {
2318 		if (!values)
2319 			return expected_entries;
2320 		else if (values && size < expected_entries)
2321 			return expected_entries;
2322 	}
2323 
2324 	if (ids && !values)
2325 		return -EINVAL;
2326 
2327 	if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2328 		unsigned int basic_count = get_xstats_basic_count(dev);
2329 		uint64_t ids_copy[size];
2330 
2331 		for (i = 0; i < size; i++) {
2332 			if (ids[i] < basic_count) {
2333 				no_basic_stat_requested = 0;
2334 				break;
2335 			}
2336 
2337 			/*
2338 			 * Convert ids to xstats ids that PMD knows.
2339 			 * ids known by user are basic + extended stats.
2340 			 */
2341 			ids_copy[i] = ids[i] - basic_count;
2342 		}
2343 
2344 		if (no_basic_stat_requested)
2345 			return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2346 					values, size);
2347 	}
2348 
2349 	if (ids) {
2350 		for (i = 0; i < size; i++) {
2351 			if (ids[i] >= basic_count) {
2352 				no_ext_stat_requested = 0;
2353 				break;
2354 			}
2355 		}
2356 	}
2357 
2358 	/* Fill the xstats structure */
2359 	if (ids && no_ext_stat_requested)
2360 		ret = rte_eth_basic_stats_get(port_id, xstats);
2361 	else
2362 		ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2363 
2364 	if (ret < 0)
2365 		return ret;
2366 	num_xstats_filled = (unsigned int)ret;
2367 
2368 	/* Return all stats */
2369 	if (!ids) {
2370 		for (i = 0; i < num_xstats_filled; i++)
2371 			values[i] = xstats[i].value;
2372 		return expected_entries;
2373 	}
2374 
2375 	/* Filter stats */
2376 	for (i = 0; i < size; i++) {
2377 		if (ids[i] >= expected_entries) {
2378 			RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2379 			return -1;
2380 		}
2381 		values[i] = xstats[ids[i]].value;
2382 	}
2383 	return size;
2384 }
2385 
2386 int
2387 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2388 	unsigned int n)
2389 {
2390 	struct rte_eth_dev *dev;
2391 	unsigned int count = 0, i;
2392 	signed int xcount = 0;
2393 	uint16_t nb_rxqs, nb_txqs;
2394 	int ret;
2395 
2396 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2397 
2398 	dev = &rte_eth_devices[port_id];
2399 
2400 	nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2401 	nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2402 
2403 	/* Return generic statistics */
2404 	count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2405 		(nb_txqs * RTE_NB_TXQ_STATS);
2406 
2407 	/* implemented by the driver */
2408 	if (dev->dev_ops->xstats_get != NULL) {
2409 		/* Retrieve the xstats from the driver at the end of the
2410 		 * xstats struct.
2411 		 */
2412 		xcount = (*dev->dev_ops->xstats_get)(dev,
2413 				     xstats ? xstats + count : NULL,
2414 				     (n > count) ? n - count : 0);
2415 
2416 		if (xcount < 0)
2417 			return eth_err(port_id, xcount);
2418 	}
2419 
2420 	if (n < count + xcount || xstats == NULL)
2421 		return count + xcount;
2422 
2423 	/* now fill the xstats structure */
2424 	ret = rte_eth_basic_stats_get(port_id, xstats);
2425 	if (ret < 0)
2426 		return ret;
2427 	count = ret;
2428 
2429 	for (i = 0; i < count; i++)
2430 		xstats[i].id = i;
2431 	/* add an offset to driver-specific stats */
2432 	for ( ; i < count + xcount; i++)
2433 		xstats[i].id += count;
2434 
2435 	return count + xcount;
2436 }
2437 
2438 /* reset ethdev extended statistics */
2439 void
2440 rte_eth_xstats_reset(uint16_t port_id)
2441 {
2442 	struct rte_eth_dev *dev;
2443 
2444 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
2445 	dev = &rte_eth_devices[port_id];
2446 
2447 	/* implemented by the driver */
2448 	if (dev->dev_ops->xstats_reset != NULL) {
2449 		(*dev->dev_ops->xstats_reset)(dev);
2450 		return;
2451 	}
2452 
2453 	/* fallback to default */
2454 	rte_eth_stats_reset(port_id);
2455 }
2456 
2457 static int
2458 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2459 		uint8_t is_rx)
2460 {
2461 	struct rte_eth_dev *dev;
2462 
2463 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2464 
2465 	dev = &rte_eth_devices[port_id];
2466 
2467 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2468 
2469 	if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2470 		return -EINVAL;
2471 
2472 	if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2473 		return -EINVAL;
2474 
2475 	if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2476 		return -EINVAL;
2477 
2478 	return (*dev->dev_ops->queue_stats_mapping_set)
2479 			(dev, queue_id, stat_idx, is_rx);
2480 }
2481 
2482 
2483 int
2484 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2485 		uint8_t stat_idx)
2486 {
2487 	return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2488 						stat_idx, STAT_QMAP_TX));
2489 }
2490 
2491 
2492 int
2493 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2494 		uint8_t stat_idx)
2495 {
2496 	return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2497 						stat_idx, STAT_QMAP_RX));
2498 }
2499 
2500 int
2501 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2502 {
2503 	struct rte_eth_dev *dev;
2504 
2505 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2506 	dev = &rte_eth_devices[port_id];
2507 
2508 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2509 	return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2510 							fw_version, fw_size));
2511 }
2512 
2513 void
2514 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2515 {
2516 	struct rte_eth_dev *dev;
2517 	const struct rte_eth_desc_lim lim = {
2518 		.nb_max = UINT16_MAX,
2519 		.nb_min = 0,
2520 		.nb_align = 1,
2521 	};
2522 
2523 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
2524 	dev = &rte_eth_devices[port_id];
2525 
2526 	memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2527 	dev_info->rx_desc_lim = lim;
2528 	dev_info->tx_desc_lim = lim;
2529 	dev_info->device = dev->device;
2530 
2531 	RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2532 	(*dev->dev_ops->dev_infos_get)(dev, dev_info);
2533 	dev_info->driver_name = dev->device->driver->name;
2534 	dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2535 	dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2536 
2537 	dev_info->dev_flags = &dev->data->dev_flags;
2538 }
2539 
2540 int
2541 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2542 				 uint32_t *ptypes, int num)
2543 {
2544 	int i, j;
2545 	struct rte_eth_dev *dev;
2546 	const uint32_t *all_ptypes;
2547 
2548 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2549 	dev = &rte_eth_devices[port_id];
2550 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2551 	all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2552 
2553 	if (!all_ptypes)
2554 		return 0;
2555 
2556 	for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2557 		if (all_ptypes[i] & ptype_mask) {
2558 			if (j < num)
2559 				ptypes[j] = all_ptypes[i];
2560 			j++;
2561 		}
2562 
2563 	return j;
2564 }
2565 
2566 void
2567 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2568 {
2569 	struct rte_eth_dev *dev;
2570 
2571 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
2572 	dev = &rte_eth_devices[port_id];
2573 	ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2574 }
2575 
2576 
2577 int
2578 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2579 {
2580 	struct rte_eth_dev *dev;
2581 
2582 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2583 
2584 	dev = &rte_eth_devices[port_id];
2585 	*mtu = dev->data->mtu;
2586 	return 0;
2587 }
2588 
2589 int
2590 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2591 {
2592 	int ret;
2593 	struct rte_eth_dev *dev;
2594 
2595 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2596 	dev = &rte_eth_devices[port_id];
2597 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2598 
2599 	ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2600 	if (!ret)
2601 		dev->data->mtu = mtu;
2602 
2603 	return eth_err(port_id, ret);
2604 }
2605 
2606 int
2607 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2608 {
2609 	struct rte_eth_dev *dev;
2610 	int ret;
2611 
2612 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2613 	dev = &rte_eth_devices[port_id];
2614 	if (!(dev->data->dev_conf.rxmode.offloads &
2615 	      DEV_RX_OFFLOAD_VLAN_FILTER)) {
2616 		RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2617 			port_id);
2618 		return -ENOSYS;
2619 	}
2620 
2621 	if (vlan_id > 4095) {
2622 		RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2623 			port_id, vlan_id);
2624 		return -EINVAL;
2625 	}
2626 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2627 
2628 	ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2629 	if (ret == 0) {
2630 		struct rte_vlan_filter_conf *vfc;
2631 		int vidx;
2632 		int vbit;
2633 
2634 		vfc = &dev->data->vlan_filter_conf;
2635 		vidx = vlan_id / 64;
2636 		vbit = vlan_id % 64;
2637 
2638 		if (on)
2639 			vfc->ids[vidx] |= UINT64_C(1) << vbit;
2640 		else
2641 			vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2642 	}
2643 
2644 	return eth_err(port_id, ret);
2645 }
2646 
2647 int
2648 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2649 				    int on)
2650 {
2651 	struct rte_eth_dev *dev;
2652 
2653 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2654 	dev = &rte_eth_devices[port_id];
2655 	if (rx_queue_id >= dev->data->nb_rx_queues) {
2656 		RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2657 		return -EINVAL;
2658 	}
2659 
2660 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2661 	(*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2662 
2663 	return 0;
2664 }
2665 
2666 int
2667 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2668 				enum rte_vlan_type vlan_type,
2669 				uint16_t tpid)
2670 {
2671 	struct rte_eth_dev *dev;
2672 
2673 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2674 	dev = &rte_eth_devices[port_id];
2675 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2676 
2677 	return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2678 							       tpid));
2679 }
2680 
2681 int
2682 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2683 {
2684 	struct rte_eth_dev *dev;
2685 	int ret = 0;
2686 	int mask = 0;
2687 	int cur, org = 0;
2688 	uint64_t orig_offloads;
2689 
2690 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2691 	dev = &rte_eth_devices[port_id];
2692 
2693 	/* save original values in case of failure */
2694 	orig_offloads = dev->data->dev_conf.rxmode.offloads;
2695 
2696 	/*check which option changed by application*/
2697 	cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2698 	org = !!(dev->data->dev_conf.rxmode.offloads &
2699 		 DEV_RX_OFFLOAD_VLAN_STRIP);
2700 	if (cur != org) {
2701 		if (cur)
2702 			dev->data->dev_conf.rxmode.offloads |=
2703 				DEV_RX_OFFLOAD_VLAN_STRIP;
2704 		else
2705 			dev->data->dev_conf.rxmode.offloads &=
2706 				~DEV_RX_OFFLOAD_VLAN_STRIP;
2707 		mask |= ETH_VLAN_STRIP_MASK;
2708 	}
2709 
2710 	cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2711 	org = !!(dev->data->dev_conf.rxmode.offloads &
2712 		 DEV_RX_OFFLOAD_VLAN_FILTER);
2713 	if (cur != org) {
2714 		if (cur)
2715 			dev->data->dev_conf.rxmode.offloads |=
2716 				DEV_RX_OFFLOAD_VLAN_FILTER;
2717 		else
2718 			dev->data->dev_conf.rxmode.offloads &=
2719 				~DEV_RX_OFFLOAD_VLAN_FILTER;
2720 		mask |= ETH_VLAN_FILTER_MASK;
2721 	}
2722 
2723 	cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2724 	org = !!(dev->data->dev_conf.rxmode.offloads &
2725 		 DEV_RX_OFFLOAD_VLAN_EXTEND);
2726 	if (cur != org) {
2727 		if (cur)
2728 			dev->data->dev_conf.rxmode.offloads |=
2729 				DEV_RX_OFFLOAD_VLAN_EXTEND;
2730 		else
2731 			dev->data->dev_conf.rxmode.offloads &=
2732 				~DEV_RX_OFFLOAD_VLAN_EXTEND;
2733 		mask |= ETH_VLAN_EXTEND_MASK;
2734 	}
2735 
2736 	/*no change*/
2737 	if (mask == 0)
2738 		return ret;
2739 
2740 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2741 	ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2742 	if (ret) {
2743 		/* hit an error restore  original values */
2744 		dev->data->dev_conf.rxmode.offloads = orig_offloads;
2745 	}
2746 
2747 	return eth_err(port_id, ret);
2748 }
2749 
2750 int
2751 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2752 {
2753 	struct rte_eth_dev *dev;
2754 	int ret = 0;
2755 
2756 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2757 	dev = &rte_eth_devices[port_id];
2758 
2759 	if (dev->data->dev_conf.rxmode.offloads &
2760 	    DEV_RX_OFFLOAD_VLAN_STRIP)
2761 		ret |= ETH_VLAN_STRIP_OFFLOAD;
2762 
2763 	if (dev->data->dev_conf.rxmode.offloads &
2764 	    DEV_RX_OFFLOAD_VLAN_FILTER)
2765 		ret |= ETH_VLAN_FILTER_OFFLOAD;
2766 
2767 	if (dev->data->dev_conf.rxmode.offloads &
2768 	    DEV_RX_OFFLOAD_VLAN_EXTEND)
2769 		ret |= ETH_VLAN_EXTEND_OFFLOAD;
2770 
2771 	return ret;
2772 }
2773 
2774 int
2775 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2776 {
2777 	struct rte_eth_dev *dev;
2778 
2779 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2780 	dev = &rte_eth_devices[port_id];
2781 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2782 
2783 	return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2784 }
2785 
2786 int
2787 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2788 {
2789 	struct rte_eth_dev *dev;
2790 
2791 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2792 	dev = &rte_eth_devices[port_id];
2793 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2794 	memset(fc_conf, 0, sizeof(*fc_conf));
2795 	return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2796 }
2797 
2798 int
2799 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2800 {
2801 	struct rte_eth_dev *dev;
2802 
2803 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2804 	if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2805 		RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2806 		return -EINVAL;
2807 	}
2808 
2809 	dev = &rte_eth_devices[port_id];
2810 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2811 	return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2812 }
2813 
2814 int
2815 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2816 				   struct rte_eth_pfc_conf *pfc_conf)
2817 {
2818 	struct rte_eth_dev *dev;
2819 
2820 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2821 	if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2822 		RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2823 		return -EINVAL;
2824 	}
2825 
2826 	dev = &rte_eth_devices[port_id];
2827 	/* High water, low water validation are device specific */
2828 	if  (*dev->dev_ops->priority_flow_ctrl_set)
2829 		return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2830 					(dev, pfc_conf));
2831 	return -ENOTSUP;
2832 }
2833 
2834 static int
2835 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2836 			uint16_t reta_size)
2837 {
2838 	uint16_t i, num;
2839 
2840 	if (!reta_conf)
2841 		return -EINVAL;
2842 
2843 	num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2844 	for (i = 0; i < num; i++) {
2845 		if (reta_conf[i].mask)
2846 			return 0;
2847 	}
2848 
2849 	return -EINVAL;
2850 }
2851 
2852 static int
2853 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2854 			 uint16_t reta_size,
2855 			 uint16_t max_rxq)
2856 {
2857 	uint16_t i, idx, shift;
2858 
2859 	if (!reta_conf)
2860 		return -EINVAL;
2861 
2862 	if (max_rxq == 0) {
2863 		RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2864 		return -EINVAL;
2865 	}
2866 
2867 	for (i = 0; i < reta_size; i++) {
2868 		idx = i / RTE_RETA_GROUP_SIZE;
2869 		shift = i % RTE_RETA_GROUP_SIZE;
2870 		if ((reta_conf[idx].mask & (1ULL << shift)) &&
2871 			(reta_conf[idx].reta[shift] >= max_rxq)) {
2872 			RTE_ETHDEV_LOG(ERR,
2873 				"reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2874 				idx, shift,
2875 				reta_conf[idx].reta[shift], max_rxq);
2876 			return -EINVAL;
2877 		}
2878 	}
2879 
2880 	return 0;
2881 }
2882 
2883 int
2884 rte_eth_dev_rss_reta_update(uint16_t port_id,
2885 			    struct rte_eth_rss_reta_entry64 *reta_conf,
2886 			    uint16_t reta_size)
2887 {
2888 	struct rte_eth_dev *dev;
2889 	int ret;
2890 
2891 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2892 	/* Check mask bits */
2893 	ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2894 	if (ret < 0)
2895 		return ret;
2896 
2897 	dev = &rte_eth_devices[port_id];
2898 
2899 	/* Check entry value */
2900 	ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2901 				dev->data->nb_rx_queues);
2902 	if (ret < 0)
2903 		return ret;
2904 
2905 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2906 	return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2907 							     reta_size));
2908 }
2909 
2910 int
2911 rte_eth_dev_rss_reta_query(uint16_t port_id,
2912 			   struct rte_eth_rss_reta_entry64 *reta_conf,
2913 			   uint16_t reta_size)
2914 {
2915 	struct rte_eth_dev *dev;
2916 	int ret;
2917 
2918 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2919 
2920 	/* Check mask bits */
2921 	ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2922 	if (ret < 0)
2923 		return ret;
2924 
2925 	dev = &rte_eth_devices[port_id];
2926 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2927 	return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2928 							    reta_size));
2929 }
2930 
2931 int
2932 rte_eth_dev_rss_hash_update(uint16_t port_id,
2933 			    struct rte_eth_rss_conf *rss_conf)
2934 {
2935 	struct rte_eth_dev *dev;
2936 	struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2937 
2938 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2939 	dev = &rte_eth_devices[port_id];
2940 	rte_eth_dev_info_get(port_id, &dev_info);
2941 	if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2942 	    dev_info.flow_type_rss_offloads) {
2943 		RTE_ETHDEV_LOG(ERR,
2944 			"Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2945 			port_id, rss_conf->rss_hf,
2946 			dev_info.flow_type_rss_offloads);
2947 		return -EINVAL;
2948 	}
2949 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2950 	return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2951 								 rss_conf));
2952 }
2953 
2954 int
2955 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2956 			      struct rte_eth_rss_conf *rss_conf)
2957 {
2958 	struct rte_eth_dev *dev;
2959 
2960 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2961 	dev = &rte_eth_devices[port_id];
2962 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2963 	return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2964 								   rss_conf));
2965 }
2966 
2967 int
2968 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2969 				struct rte_eth_udp_tunnel *udp_tunnel)
2970 {
2971 	struct rte_eth_dev *dev;
2972 
2973 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2974 	if (udp_tunnel == NULL) {
2975 		RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2976 		return -EINVAL;
2977 	}
2978 
2979 	if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2980 		RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
2981 		return -EINVAL;
2982 	}
2983 
2984 	dev = &rte_eth_devices[port_id];
2985 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2986 	return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2987 								udp_tunnel));
2988 }
2989 
2990 int
2991 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2992 				   struct rte_eth_udp_tunnel *udp_tunnel)
2993 {
2994 	struct rte_eth_dev *dev;
2995 
2996 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2997 	dev = &rte_eth_devices[port_id];
2998 
2999 	if (udp_tunnel == NULL) {
3000 		RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3001 		return -EINVAL;
3002 	}
3003 
3004 	if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3005 		RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3006 		return -EINVAL;
3007 	}
3008 
3009 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3010 	return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3011 								udp_tunnel));
3012 }
3013 
3014 int
3015 rte_eth_led_on(uint16_t port_id)
3016 {
3017 	struct rte_eth_dev *dev;
3018 
3019 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3020 	dev = &rte_eth_devices[port_id];
3021 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3022 	return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3023 }
3024 
3025 int
3026 rte_eth_led_off(uint16_t port_id)
3027 {
3028 	struct rte_eth_dev *dev;
3029 
3030 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3031 	dev = &rte_eth_devices[port_id];
3032 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3033 	return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3034 }
3035 
3036 /*
3037  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3038  * an empty spot.
3039  */
3040 static int
3041 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3042 {
3043 	struct rte_eth_dev_info dev_info;
3044 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3045 	unsigned i;
3046 
3047 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3048 	rte_eth_dev_info_get(port_id, &dev_info);
3049 
3050 	for (i = 0; i < dev_info.max_mac_addrs; i++)
3051 		if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3052 			return i;
3053 
3054 	return -1;
3055 }
3056 
3057 static const struct ether_addr null_mac_addr;
3058 
3059 int
3060 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3061 			uint32_t pool)
3062 {
3063 	struct rte_eth_dev *dev;
3064 	int index;
3065 	uint64_t pool_mask;
3066 	int ret;
3067 
3068 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3069 	dev = &rte_eth_devices[port_id];
3070 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3071 
3072 	if (is_zero_ether_addr(addr)) {
3073 		RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3074 			port_id);
3075 		return -EINVAL;
3076 	}
3077 	if (pool >= ETH_64_POOLS) {
3078 		RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3079 		return -EINVAL;
3080 	}
3081 
3082 	index = get_mac_addr_index(port_id, addr);
3083 	if (index < 0) {
3084 		index = get_mac_addr_index(port_id, &null_mac_addr);
3085 		if (index < 0) {
3086 			RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3087 				port_id);
3088 			return -ENOSPC;
3089 		}
3090 	} else {
3091 		pool_mask = dev->data->mac_pool_sel[index];
3092 
3093 		/* Check if both MAC address and pool is already there, and do nothing */
3094 		if (pool_mask & (1ULL << pool))
3095 			return 0;
3096 	}
3097 
3098 	/* Update NIC */
3099 	ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3100 
3101 	if (ret == 0) {
3102 		/* Update address in NIC data structure */
3103 		ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3104 
3105 		/* Update pool bitmap in NIC data structure */
3106 		dev->data->mac_pool_sel[index] |= (1ULL << pool);
3107 	}
3108 
3109 	return eth_err(port_id, ret);
3110 }
3111 
3112 int
3113 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3114 {
3115 	struct rte_eth_dev *dev;
3116 	int index;
3117 
3118 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3119 	dev = &rte_eth_devices[port_id];
3120 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3121 
3122 	index = get_mac_addr_index(port_id, addr);
3123 	if (index == 0) {
3124 		RTE_ETHDEV_LOG(ERR,
3125 			"Port %u: Cannot remove default MAC address\n",
3126 			port_id);
3127 		return -EADDRINUSE;
3128 	} else if (index < 0)
3129 		return 0;  /* Do nothing if address wasn't found */
3130 
3131 	/* Update NIC */
3132 	(*dev->dev_ops->mac_addr_remove)(dev, index);
3133 
3134 	/* Update address in NIC data structure */
3135 	ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3136 
3137 	/* reset pool bitmap */
3138 	dev->data->mac_pool_sel[index] = 0;
3139 
3140 	return 0;
3141 }
3142 
3143 int
3144 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3145 {
3146 	struct rte_eth_dev *dev;
3147 	int ret;
3148 
3149 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3150 
3151 	if (!is_valid_assigned_ether_addr(addr))
3152 		return -EINVAL;
3153 
3154 	dev = &rte_eth_devices[port_id];
3155 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3156 
3157 	ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3158 	if (ret < 0)
3159 		return ret;
3160 
3161 	/* Update default address in NIC data structure */
3162 	ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3163 
3164 	return 0;
3165 }
3166 
3167 
3168 /*
3169  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3170  * an empty spot.
3171  */
3172 static int
3173 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3174 {
3175 	struct rte_eth_dev_info dev_info;
3176 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3177 	unsigned i;
3178 
3179 	rte_eth_dev_info_get(port_id, &dev_info);
3180 	if (!dev->data->hash_mac_addrs)
3181 		return -1;
3182 
3183 	for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3184 		if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3185 			ETHER_ADDR_LEN) == 0)
3186 			return i;
3187 
3188 	return -1;
3189 }
3190 
3191 int
3192 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3193 				uint8_t on)
3194 {
3195 	int index;
3196 	int ret;
3197 	struct rte_eth_dev *dev;
3198 
3199 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3200 
3201 	dev = &rte_eth_devices[port_id];
3202 	if (is_zero_ether_addr(addr)) {
3203 		RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3204 			port_id);
3205 		return -EINVAL;
3206 	}
3207 
3208 	index = get_hash_mac_addr_index(port_id, addr);
3209 	/* Check if it's already there, and do nothing */
3210 	if ((index >= 0) && on)
3211 		return 0;
3212 
3213 	if (index < 0) {
3214 		if (!on) {
3215 			RTE_ETHDEV_LOG(ERR,
3216 				"Port %u: the MAC address was not set in UTA\n",
3217 				port_id);
3218 			return -EINVAL;
3219 		}
3220 
3221 		index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3222 		if (index < 0) {
3223 			RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3224 				port_id);
3225 			return -ENOSPC;
3226 		}
3227 	}
3228 
3229 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3230 	ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3231 	if (ret == 0) {
3232 		/* Update address in NIC data structure */
3233 		if (on)
3234 			ether_addr_copy(addr,
3235 					&dev->data->hash_mac_addrs[index]);
3236 		else
3237 			ether_addr_copy(&null_mac_addr,
3238 					&dev->data->hash_mac_addrs[index]);
3239 	}
3240 
3241 	return eth_err(port_id, ret);
3242 }
3243 
3244 int
3245 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3246 {
3247 	struct rte_eth_dev *dev;
3248 
3249 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3250 
3251 	dev = &rte_eth_devices[port_id];
3252 
3253 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3254 	return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3255 								       on));
3256 }
3257 
3258 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3259 					uint16_t tx_rate)
3260 {
3261 	struct rte_eth_dev *dev;
3262 	struct rte_eth_dev_info dev_info;
3263 	struct rte_eth_link link;
3264 
3265 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3266 
3267 	dev = &rte_eth_devices[port_id];
3268 	rte_eth_dev_info_get(port_id, &dev_info);
3269 	link = dev->data->dev_link;
3270 
3271 	if (queue_idx > dev_info.max_tx_queues) {
3272 		RTE_ETHDEV_LOG(ERR,
3273 			"Set queue rate limit:port %u: invalid queue id=%u\n",
3274 			port_id, queue_idx);
3275 		return -EINVAL;
3276 	}
3277 
3278 	if (tx_rate > link.link_speed) {
3279 		RTE_ETHDEV_LOG(ERR,
3280 			"Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3281 			tx_rate, link.link_speed);
3282 		return -EINVAL;
3283 	}
3284 
3285 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3286 	return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3287 							queue_idx, tx_rate));
3288 }
3289 
3290 int
3291 rte_eth_mirror_rule_set(uint16_t port_id,
3292 			struct rte_eth_mirror_conf *mirror_conf,
3293 			uint8_t rule_id, uint8_t on)
3294 {
3295 	struct rte_eth_dev *dev;
3296 
3297 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3298 	if (mirror_conf->rule_type == 0) {
3299 		RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3300 		return -EINVAL;
3301 	}
3302 
3303 	if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3304 		RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3305 			ETH_64_POOLS - 1);
3306 		return -EINVAL;
3307 	}
3308 
3309 	if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3310 	     ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3311 	    (mirror_conf->pool_mask == 0)) {
3312 		RTE_ETHDEV_LOG(ERR,
3313 			"Invalid mirror pool, pool mask can not be 0\n");
3314 		return -EINVAL;
3315 	}
3316 
3317 	if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3318 	    mirror_conf->vlan.vlan_mask == 0) {
3319 		RTE_ETHDEV_LOG(ERR,
3320 			"Invalid vlan mask, vlan mask can not be 0\n");
3321 		return -EINVAL;
3322 	}
3323 
3324 	dev = &rte_eth_devices[port_id];
3325 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3326 
3327 	return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3328 						mirror_conf, rule_id, on));
3329 }
3330 
3331 int
3332 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3333 {
3334 	struct rte_eth_dev *dev;
3335 
3336 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3337 
3338 	dev = &rte_eth_devices[port_id];
3339 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3340 
3341 	return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3342 								   rule_id));
3343 }
3344 
3345 RTE_INIT(eth_dev_init_cb_lists)
3346 {
3347 	int i;
3348 
3349 	for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3350 		TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3351 }
3352 
3353 int
3354 rte_eth_dev_callback_register(uint16_t port_id,
3355 			enum rte_eth_event_type event,
3356 			rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3357 {
3358 	struct rte_eth_dev *dev;
3359 	struct rte_eth_dev_callback *user_cb;
3360 	uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3361 	uint16_t last_port;
3362 
3363 	if (!cb_fn)
3364 		return -EINVAL;
3365 
3366 	if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3367 		RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3368 		return -EINVAL;
3369 	}
3370 
3371 	if (port_id == RTE_ETH_ALL) {
3372 		next_port = 0;
3373 		last_port = RTE_MAX_ETHPORTS - 1;
3374 	} else {
3375 		next_port = last_port = port_id;
3376 	}
3377 
3378 	rte_spinlock_lock(&rte_eth_dev_cb_lock);
3379 
3380 	do {
3381 		dev = &rte_eth_devices[next_port];
3382 
3383 		TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3384 			if (user_cb->cb_fn == cb_fn &&
3385 				user_cb->cb_arg == cb_arg &&
3386 				user_cb->event == event) {
3387 				break;
3388 			}
3389 		}
3390 
3391 		/* create a new callback. */
3392 		if (user_cb == NULL) {
3393 			user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3394 				sizeof(struct rte_eth_dev_callback), 0);
3395 			if (user_cb != NULL) {
3396 				user_cb->cb_fn = cb_fn;
3397 				user_cb->cb_arg = cb_arg;
3398 				user_cb->event = event;
3399 				TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3400 						  user_cb, next);
3401 			} else {
3402 				rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3403 				rte_eth_dev_callback_unregister(port_id, event,
3404 								cb_fn, cb_arg);
3405 				return -ENOMEM;
3406 			}
3407 
3408 		}
3409 	} while (++next_port <= last_port);
3410 
3411 	rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3412 	return 0;
3413 }
3414 
3415 int
3416 rte_eth_dev_callback_unregister(uint16_t port_id,
3417 			enum rte_eth_event_type event,
3418 			rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3419 {
3420 	int ret;
3421 	struct rte_eth_dev *dev;
3422 	struct rte_eth_dev_callback *cb, *next;
3423 	uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3424 	uint16_t last_port;
3425 
3426 	if (!cb_fn)
3427 		return -EINVAL;
3428 
3429 	if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3430 		RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3431 		return -EINVAL;
3432 	}
3433 
3434 	if (port_id == RTE_ETH_ALL) {
3435 		next_port = 0;
3436 		last_port = RTE_MAX_ETHPORTS - 1;
3437 	} else {
3438 		next_port = last_port = port_id;
3439 	}
3440 
3441 	rte_spinlock_lock(&rte_eth_dev_cb_lock);
3442 
3443 	do {
3444 		dev = &rte_eth_devices[next_port];
3445 		ret = 0;
3446 		for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3447 		     cb = next) {
3448 
3449 			next = TAILQ_NEXT(cb, next);
3450 
3451 			if (cb->cb_fn != cb_fn || cb->event != event ||
3452 			    (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3453 				continue;
3454 
3455 			/*
3456 			 * if this callback is not executing right now,
3457 			 * then remove it.
3458 			 */
3459 			if (cb->active == 0) {
3460 				TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3461 				rte_free(cb);
3462 			} else {
3463 				ret = -EAGAIN;
3464 			}
3465 		}
3466 	} while (++next_port <= last_port);
3467 
3468 	rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3469 	return ret;
3470 }
3471 
3472 int
3473 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3474 	enum rte_eth_event_type event, void *ret_param)
3475 {
3476 	struct rte_eth_dev_callback *cb_lst;
3477 	struct rte_eth_dev_callback dev_cb;
3478 	int rc = 0;
3479 
3480 	rte_spinlock_lock(&rte_eth_dev_cb_lock);
3481 	TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3482 		if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3483 			continue;
3484 		dev_cb = *cb_lst;
3485 		cb_lst->active = 1;
3486 		if (ret_param != NULL)
3487 			dev_cb.ret_param = ret_param;
3488 
3489 		rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3490 		rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3491 				dev_cb.cb_arg, dev_cb.ret_param);
3492 		rte_spinlock_lock(&rte_eth_dev_cb_lock);
3493 		cb_lst->active = 0;
3494 	}
3495 	rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3496 	return rc;
3497 }
3498 
3499 void
3500 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3501 {
3502 	if (dev == NULL)
3503 		return;
3504 
3505 	_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3506 
3507 	dev->state = RTE_ETH_DEV_ATTACHED;
3508 }
3509 
3510 int
3511 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3512 {
3513 	uint32_t vec;
3514 	struct rte_eth_dev *dev;
3515 	struct rte_intr_handle *intr_handle;
3516 	uint16_t qid;
3517 	int rc;
3518 
3519 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3520 
3521 	dev = &rte_eth_devices[port_id];
3522 
3523 	if (!dev->intr_handle) {
3524 		RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3525 		return -ENOTSUP;
3526 	}
3527 
3528 	intr_handle = dev->intr_handle;
3529 	if (!intr_handle->intr_vec) {
3530 		RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3531 		return -EPERM;
3532 	}
3533 
3534 	for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3535 		vec = intr_handle->intr_vec[qid];
3536 		rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3537 		if (rc && rc != -EEXIST) {
3538 			RTE_ETHDEV_LOG(ERR,
3539 				"p %u q %u rx ctl error op %d epfd %d vec %u\n",
3540 				port_id, qid, op, epfd, vec);
3541 		}
3542 	}
3543 
3544 	return 0;
3545 }
3546 
3547 int __rte_experimental
3548 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3549 {
3550 	struct rte_intr_handle *intr_handle;
3551 	struct rte_eth_dev *dev;
3552 	unsigned int efd_idx;
3553 	uint32_t vec;
3554 	int fd;
3555 
3556 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3557 
3558 	dev = &rte_eth_devices[port_id];
3559 
3560 	if (queue_id >= dev->data->nb_rx_queues) {
3561 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3562 		return -1;
3563 	}
3564 
3565 	if (!dev->intr_handle) {
3566 		RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3567 		return -1;
3568 	}
3569 
3570 	intr_handle = dev->intr_handle;
3571 	if (!intr_handle->intr_vec) {
3572 		RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3573 		return -1;
3574 	}
3575 
3576 	vec = intr_handle->intr_vec[queue_id];
3577 	efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3578 		(vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3579 	fd = intr_handle->efds[efd_idx];
3580 
3581 	return fd;
3582 }
3583 
3584 const struct rte_memzone *
3585 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3586 			 uint16_t queue_id, size_t size, unsigned align,
3587 			 int socket_id)
3588 {
3589 	char z_name[RTE_MEMZONE_NAMESIZE];
3590 	const struct rte_memzone *mz;
3591 
3592 	snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3593 		 dev->data->port_id, queue_id, ring_name);
3594 
3595 	mz = rte_memzone_lookup(z_name);
3596 	if (mz)
3597 		return mz;
3598 
3599 	return rte_memzone_reserve_aligned(z_name, size, socket_id,
3600 			RTE_MEMZONE_IOVA_CONTIG, align);
3601 }
3602 
3603 int __rte_experimental
3604 rte_eth_dev_create(struct rte_device *device, const char *name,
3605 	size_t priv_data_size,
3606 	ethdev_bus_specific_init ethdev_bus_specific_init,
3607 	void *bus_init_params,
3608 	ethdev_init_t ethdev_init, void *init_params)
3609 {
3610 	struct rte_eth_dev *ethdev;
3611 	int retval;
3612 
3613 	RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3614 
3615 	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3616 		ethdev = rte_eth_dev_allocate(name);
3617 		if (!ethdev)
3618 			return -ENODEV;
3619 
3620 		if (priv_data_size) {
3621 			ethdev->data->dev_private = rte_zmalloc_socket(
3622 				name, priv_data_size, RTE_CACHE_LINE_SIZE,
3623 				device->numa_node);
3624 
3625 			if (!ethdev->data->dev_private) {
3626 				RTE_LOG(ERR, EAL, "failed to allocate private data");
3627 				retval = -ENOMEM;
3628 				goto probe_failed;
3629 			}
3630 		}
3631 	} else {
3632 		ethdev = rte_eth_dev_attach_secondary(name);
3633 		if (!ethdev) {
3634 			RTE_LOG(ERR, EAL, "secondary process attach failed, "
3635 				"ethdev doesn't exist");
3636 			return  -ENODEV;
3637 		}
3638 	}
3639 
3640 	ethdev->device = device;
3641 
3642 	if (ethdev_bus_specific_init) {
3643 		retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3644 		if (retval) {
3645 			RTE_LOG(ERR, EAL,
3646 				"ethdev bus specific initialisation failed");
3647 			goto probe_failed;
3648 		}
3649 	}
3650 
3651 	retval = ethdev_init(ethdev, init_params);
3652 	if (retval) {
3653 		RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3654 		goto probe_failed;
3655 	}
3656 
3657 	rte_eth_dev_probing_finish(ethdev);
3658 
3659 	return retval;
3660 
3661 probe_failed:
3662 	rte_eth_dev_release_port(ethdev);
3663 	return retval;
3664 }
3665 
3666 int  __rte_experimental
3667 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3668 	ethdev_uninit_t ethdev_uninit)
3669 {
3670 	int ret;
3671 
3672 	ethdev = rte_eth_dev_allocated(ethdev->data->name);
3673 	if (!ethdev)
3674 		return -ENODEV;
3675 
3676 	RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3677 
3678 	ret = ethdev_uninit(ethdev);
3679 	if (ret)
3680 		return ret;
3681 
3682 	return rte_eth_dev_release_port(ethdev);
3683 }
3684 
3685 int
3686 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3687 			  int epfd, int op, void *data)
3688 {
3689 	uint32_t vec;
3690 	struct rte_eth_dev *dev;
3691 	struct rte_intr_handle *intr_handle;
3692 	int rc;
3693 
3694 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3695 
3696 	dev = &rte_eth_devices[port_id];
3697 	if (queue_id >= dev->data->nb_rx_queues) {
3698 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3699 		return -EINVAL;
3700 	}
3701 
3702 	if (!dev->intr_handle) {
3703 		RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3704 		return -ENOTSUP;
3705 	}
3706 
3707 	intr_handle = dev->intr_handle;
3708 	if (!intr_handle->intr_vec) {
3709 		RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3710 		return -EPERM;
3711 	}
3712 
3713 	vec = intr_handle->intr_vec[queue_id];
3714 	rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3715 	if (rc && rc != -EEXIST) {
3716 		RTE_ETHDEV_LOG(ERR,
3717 			"p %u q %u rx ctl error op %d epfd %d vec %u\n",
3718 			port_id, queue_id, op, epfd, vec);
3719 		return rc;
3720 	}
3721 
3722 	return 0;
3723 }
3724 
3725 int
3726 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3727 			   uint16_t queue_id)
3728 {
3729 	struct rte_eth_dev *dev;
3730 
3731 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3732 
3733 	dev = &rte_eth_devices[port_id];
3734 
3735 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3736 	return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3737 								queue_id));
3738 }
3739 
3740 int
3741 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3742 			    uint16_t queue_id)
3743 {
3744 	struct rte_eth_dev *dev;
3745 
3746 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3747 
3748 	dev = &rte_eth_devices[port_id];
3749 
3750 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3751 	return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3752 								queue_id));
3753 }
3754 
3755 
3756 int
3757 rte_eth_dev_filter_supported(uint16_t port_id,
3758 			     enum rte_filter_type filter_type)
3759 {
3760 	struct rte_eth_dev *dev;
3761 
3762 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3763 
3764 	dev = &rte_eth_devices[port_id];
3765 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3766 	return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3767 				RTE_ETH_FILTER_NOP, NULL);
3768 }
3769 
3770 int
3771 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3772 			enum rte_filter_op filter_op, void *arg)
3773 {
3774 	struct rte_eth_dev *dev;
3775 
3776 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3777 
3778 	dev = &rte_eth_devices[port_id];
3779 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3780 	return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3781 							     filter_op, arg));
3782 }
3783 
3784 const struct rte_eth_rxtx_callback *
3785 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3786 		rte_rx_callback_fn fn, void *user_param)
3787 {
3788 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3789 	rte_errno = ENOTSUP;
3790 	return NULL;
3791 #endif
3792 	/* check input parameters */
3793 	if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3794 		    queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3795 		rte_errno = EINVAL;
3796 		return NULL;
3797 	}
3798 	struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3799 
3800 	if (cb == NULL) {
3801 		rte_errno = ENOMEM;
3802 		return NULL;
3803 	}
3804 
3805 	cb->fn.rx = fn;
3806 	cb->param = user_param;
3807 
3808 	rte_spinlock_lock(&rte_eth_rx_cb_lock);
3809 	/* Add the callbacks in fifo order. */
3810 	struct rte_eth_rxtx_callback *tail =
3811 		rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3812 
3813 	if (!tail) {
3814 		rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3815 
3816 	} else {
3817 		while (tail->next)
3818 			tail = tail->next;
3819 		tail->next = cb;
3820 	}
3821 	rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3822 
3823 	return cb;
3824 }
3825 
3826 const struct rte_eth_rxtx_callback *
3827 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3828 		rte_rx_callback_fn fn, void *user_param)
3829 {
3830 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3831 	rte_errno = ENOTSUP;
3832 	return NULL;
3833 #endif
3834 	/* check input parameters */
3835 	if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3836 		queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3837 		rte_errno = EINVAL;
3838 		return NULL;
3839 	}
3840 
3841 	struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3842 
3843 	if (cb == NULL) {
3844 		rte_errno = ENOMEM;
3845 		return NULL;
3846 	}
3847 
3848 	cb->fn.rx = fn;
3849 	cb->param = user_param;
3850 
3851 	rte_spinlock_lock(&rte_eth_rx_cb_lock);
3852 	/* Add the callbacks at fisrt position*/
3853 	cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3854 	rte_smp_wmb();
3855 	rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3856 	rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3857 
3858 	return cb;
3859 }
3860 
3861 const struct rte_eth_rxtx_callback *
3862 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3863 		rte_tx_callback_fn fn, void *user_param)
3864 {
3865 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3866 	rte_errno = ENOTSUP;
3867 	return NULL;
3868 #endif
3869 	/* check input parameters */
3870 	if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3871 		    queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3872 		rte_errno = EINVAL;
3873 		return NULL;
3874 	}
3875 
3876 	struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3877 
3878 	if (cb == NULL) {
3879 		rte_errno = ENOMEM;
3880 		return NULL;
3881 	}
3882 
3883 	cb->fn.tx = fn;
3884 	cb->param = user_param;
3885 
3886 	rte_spinlock_lock(&rte_eth_tx_cb_lock);
3887 	/* Add the callbacks in fifo order. */
3888 	struct rte_eth_rxtx_callback *tail =
3889 		rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3890 
3891 	if (!tail) {
3892 		rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3893 
3894 	} else {
3895 		while (tail->next)
3896 			tail = tail->next;
3897 		tail->next = cb;
3898 	}
3899 	rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3900 
3901 	return cb;
3902 }
3903 
3904 int
3905 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3906 		const struct rte_eth_rxtx_callback *user_cb)
3907 {
3908 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3909 	return -ENOTSUP;
3910 #endif
3911 	/* Check input parameters. */
3912 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3913 	if (user_cb == NULL ||
3914 			queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3915 		return -EINVAL;
3916 
3917 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3918 	struct rte_eth_rxtx_callback *cb;
3919 	struct rte_eth_rxtx_callback **prev_cb;
3920 	int ret = -EINVAL;
3921 
3922 	rte_spinlock_lock(&rte_eth_rx_cb_lock);
3923 	prev_cb = &dev->post_rx_burst_cbs[queue_id];
3924 	for (; *prev_cb != NULL; prev_cb = &cb->next) {
3925 		cb = *prev_cb;
3926 		if (cb == user_cb) {
3927 			/* Remove the user cb from the callback list. */
3928 			*prev_cb = cb->next;
3929 			ret = 0;
3930 			break;
3931 		}
3932 	}
3933 	rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3934 
3935 	return ret;
3936 }
3937 
3938 int
3939 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3940 		const struct rte_eth_rxtx_callback *user_cb)
3941 {
3942 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3943 	return -ENOTSUP;
3944 #endif
3945 	/* Check input parameters. */
3946 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3947 	if (user_cb == NULL ||
3948 			queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3949 		return -EINVAL;
3950 
3951 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3952 	int ret = -EINVAL;
3953 	struct rte_eth_rxtx_callback *cb;
3954 	struct rte_eth_rxtx_callback **prev_cb;
3955 
3956 	rte_spinlock_lock(&rte_eth_tx_cb_lock);
3957 	prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3958 	for (; *prev_cb != NULL; prev_cb = &cb->next) {
3959 		cb = *prev_cb;
3960 		if (cb == user_cb) {
3961 			/* Remove the user cb from the callback list. */
3962 			*prev_cb = cb->next;
3963 			ret = 0;
3964 			break;
3965 		}
3966 	}
3967 	rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3968 
3969 	return ret;
3970 }
3971 
3972 int
3973 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3974 	struct rte_eth_rxq_info *qinfo)
3975 {
3976 	struct rte_eth_dev *dev;
3977 
3978 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3979 
3980 	if (qinfo == NULL)
3981 		return -EINVAL;
3982 
3983 	dev = &rte_eth_devices[port_id];
3984 	if (queue_id >= dev->data->nb_rx_queues) {
3985 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3986 		return -EINVAL;
3987 	}
3988 
3989 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3990 
3991 	memset(qinfo, 0, sizeof(*qinfo));
3992 	dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3993 	return 0;
3994 }
3995 
3996 int
3997 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3998 	struct rte_eth_txq_info *qinfo)
3999 {
4000 	struct rte_eth_dev *dev;
4001 
4002 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4003 
4004 	if (qinfo == NULL)
4005 		return -EINVAL;
4006 
4007 	dev = &rte_eth_devices[port_id];
4008 	if (queue_id >= dev->data->nb_tx_queues) {
4009 		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4010 		return -EINVAL;
4011 	}
4012 
4013 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4014 
4015 	memset(qinfo, 0, sizeof(*qinfo));
4016 	dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4017 
4018 	return 0;
4019 }
4020 
4021 int
4022 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4023 			     struct ether_addr *mc_addr_set,
4024 			     uint32_t nb_mc_addr)
4025 {
4026 	struct rte_eth_dev *dev;
4027 
4028 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4029 
4030 	dev = &rte_eth_devices[port_id];
4031 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4032 	return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4033 						mc_addr_set, nb_mc_addr));
4034 }
4035 
4036 int
4037 rte_eth_timesync_enable(uint16_t port_id)
4038 {
4039 	struct rte_eth_dev *dev;
4040 
4041 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4042 	dev = &rte_eth_devices[port_id];
4043 
4044 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4045 	return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4046 }
4047 
4048 int
4049 rte_eth_timesync_disable(uint16_t port_id)
4050 {
4051 	struct rte_eth_dev *dev;
4052 
4053 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4054 	dev = &rte_eth_devices[port_id];
4055 
4056 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4057 	return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4058 }
4059 
4060 int
4061 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4062 				   uint32_t flags)
4063 {
4064 	struct rte_eth_dev *dev;
4065 
4066 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4067 	dev = &rte_eth_devices[port_id];
4068 
4069 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4070 	return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4071 				(dev, timestamp, flags));
4072 }
4073 
4074 int
4075 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4076 				   struct timespec *timestamp)
4077 {
4078 	struct rte_eth_dev *dev;
4079 
4080 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4081 	dev = &rte_eth_devices[port_id];
4082 
4083 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4084 	return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4085 				(dev, timestamp));
4086 }
4087 
4088 int
4089 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4090 {
4091 	struct rte_eth_dev *dev;
4092 
4093 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4094 	dev = &rte_eth_devices[port_id];
4095 
4096 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4097 	return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4098 								      delta));
4099 }
4100 
4101 int
4102 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4103 {
4104 	struct rte_eth_dev *dev;
4105 
4106 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4107 	dev = &rte_eth_devices[port_id];
4108 
4109 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4110 	return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4111 								timestamp));
4112 }
4113 
4114 int
4115 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4116 {
4117 	struct rte_eth_dev *dev;
4118 
4119 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4120 	dev = &rte_eth_devices[port_id];
4121 
4122 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4123 	return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4124 								timestamp));
4125 }
4126 
4127 int
4128 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4129 {
4130 	struct rte_eth_dev *dev;
4131 
4132 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4133 
4134 	dev = &rte_eth_devices[port_id];
4135 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4136 	return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4137 }
4138 
4139 int
4140 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4141 {
4142 	struct rte_eth_dev *dev;
4143 
4144 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4145 
4146 	dev = &rte_eth_devices[port_id];
4147 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4148 	return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4149 }
4150 
4151 int
4152 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4153 {
4154 	struct rte_eth_dev *dev;
4155 
4156 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4157 
4158 	dev = &rte_eth_devices[port_id];
4159 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4160 	return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4161 }
4162 
4163 int
4164 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4165 {
4166 	struct rte_eth_dev *dev;
4167 
4168 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4169 
4170 	dev = &rte_eth_devices[port_id];
4171 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4172 	return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4173 }
4174 
4175 int __rte_experimental
4176 rte_eth_dev_get_module_info(uint16_t port_id,
4177 			    struct rte_eth_dev_module_info *modinfo)
4178 {
4179 	struct rte_eth_dev *dev;
4180 
4181 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4182 
4183 	dev = &rte_eth_devices[port_id];
4184 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4185 	return (*dev->dev_ops->get_module_info)(dev, modinfo);
4186 }
4187 
4188 int __rte_experimental
4189 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4190 			      struct rte_dev_eeprom_info *info)
4191 {
4192 	struct rte_eth_dev *dev;
4193 
4194 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4195 
4196 	dev = &rte_eth_devices[port_id];
4197 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4198 	return (*dev->dev_ops->get_module_eeprom)(dev, info);
4199 }
4200 
4201 int
4202 rte_eth_dev_get_dcb_info(uint16_t port_id,
4203 			     struct rte_eth_dcb_info *dcb_info)
4204 {
4205 	struct rte_eth_dev *dev;
4206 
4207 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4208 
4209 	dev = &rte_eth_devices[port_id];
4210 	memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4211 
4212 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4213 	return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4214 }
4215 
4216 int
4217 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4218 				    struct rte_eth_l2_tunnel_conf *l2_tunnel)
4219 {
4220 	struct rte_eth_dev *dev;
4221 
4222 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4223 	if (l2_tunnel == NULL) {
4224 		RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4225 		return -EINVAL;
4226 	}
4227 
4228 	if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4229 		RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4230 		return -EINVAL;
4231 	}
4232 
4233 	dev = &rte_eth_devices[port_id];
4234 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4235 				-ENOTSUP);
4236 	return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4237 								l2_tunnel));
4238 }
4239 
4240 int
4241 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4242 				  struct rte_eth_l2_tunnel_conf *l2_tunnel,
4243 				  uint32_t mask,
4244 				  uint8_t en)
4245 {
4246 	struct rte_eth_dev *dev;
4247 
4248 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4249 
4250 	if (l2_tunnel == NULL) {
4251 		RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4252 		return -EINVAL;
4253 	}
4254 
4255 	if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4256 		RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4257 		return -EINVAL;
4258 	}
4259 
4260 	if (mask == 0) {
4261 		RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4262 		return -EINVAL;
4263 	}
4264 
4265 	dev = &rte_eth_devices[port_id];
4266 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4267 				-ENOTSUP);
4268 	return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4269 							l2_tunnel, mask, en));
4270 }
4271 
4272 static void
4273 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4274 			   const struct rte_eth_desc_lim *desc_lim)
4275 {
4276 	if (desc_lim->nb_align != 0)
4277 		*nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4278 
4279 	if (desc_lim->nb_max != 0)
4280 		*nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4281 
4282 	*nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4283 }
4284 
4285 int
4286 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4287 				 uint16_t *nb_rx_desc,
4288 				 uint16_t *nb_tx_desc)
4289 {
4290 	struct rte_eth_dev *dev;
4291 	struct rte_eth_dev_info dev_info;
4292 
4293 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4294 
4295 	dev = &rte_eth_devices[port_id];
4296 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4297 
4298 	rte_eth_dev_info_get(port_id, &dev_info);
4299 
4300 	if (nb_rx_desc != NULL)
4301 		rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4302 
4303 	if (nb_tx_desc != NULL)
4304 		rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4305 
4306 	return 0;
4307 }
4308 
4309 int
4310 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4311 {
4312 	struct rte_eth_dev *dev;
4313 
4314 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4315 
4316 	if (pool == NULL)
4317 		return -EINVAL;
4318 
4319 	dev = &rte_eth_devices[port_id];
4320 
4321 	if (*dev->dev_ops->pool_ops_supported == NULL)
4322 		return 1; /* all pools are supported */
4323 
4324 	return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4325 }
4326 
4327 /**
4328  * A set of values to describe the possible states of a switch domain.
4329  */
4330 enum rte_eth_switch_domain_state {
4331 	RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4332 	RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4333 };
4334 
4335 /**
4336  * Array of switch domains available for allocation. Array is sized to
4337  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4338  * ethdev ports in a single process.
4339  */
4340 static struct rte_eth_dev_switch {
4341 	enum rte_eth_switch_domain_state state;
4342 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4343 
4344 int __rte_experimental
4345 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4346 {
4347 	unsigned int i;
4348 
4349 	*domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4350 
4351 	for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4352 		i < RTE_MAX_ETHPORTS; i++) {
4353 		if (rte_eth_switch_domains[i].state ==
4354 			RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4355 			rte_eth_switch_domains[i].state =
4356 				RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4357 			*domain_id = i;
4358 			return 0;
4359 		}
4360 	}
4361 
4362 	return -ENOSPC;
4363 }
4364 
4365 int __rte_experimental
4366 rte_eth_switch_domain_free(uint16_t domain_id)
4367 {
4368 	if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4369 		domain_id >= RTE_MAX_ETHPORTS)
4370 		return -EINVAL;
4371 
4372 	if (rte_eth_switch_domains[domain_id].state !=
4373 		RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4374 		return -EINVAL;
4375 
4376 	rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4377 
4378 	return 0;
4379 }
4380 
4381 static int
4382 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4383 {
4384 	int state;
4385 	struct rte_kvargs_pair *pair;
4386 	char *letter;
4387 
4388 	arglist->str = strdup(str_in);
4389 	if (arglist->str == NULL)
4390 		return -ENOMEM;
4391 
4392 	letter = arglist->str;
4393 	state = 0;
4394 	arglist->count = 0;
4395 	pair = &arglist->pairs[0];
4396 	while (1) {
4397 		switch (state) {
4398 		case 0: /* Initial */
4399 			if (*letter == '=')
4400 				return -EINVAL;
4401 			else if (*letter == '\0')
4402 				return 0;
4403 
4404 			state = 1;
4405 			pair->key = letter;
4406 			/* fall-thru */
4407 
4408 		case 1: /* Parsing key */
4409 			if (*letter == '=') {
4410 				*letter = '\0';
4411 				pair->value = letter + 1;
4412 				state = 2;
4413 			} else if (*letter == ',' || *letter == '\0')
4414 				return -EINVAL;
4415 			break;
4416 
4417 
4418 		case 2: /* Parsing value */
4419 			if (*letter == '[')
4420 				state = 3;
4421 			else if (*letter == ',') {
4422 				*letter = '\0';
4423 				arglist->count++;
4424 				pair = &arglist->pairs[arglist->count];
4425 				state = 0;
4426 			} else if (*letter == '\0') {
4427 				letter--;
4428 				arglist->count++;
4429 				pair = &arglist->pairs[arglist->count];
4430 				state = 0;
4431 			}
4432 			break;
4433 
4434 		case 3: /* Parsing list */
4435 			if (*letter == ']')
4436 				state = 2;
4437 			else if (*letter == '\0')
4438 				return -EINVAL;
4439 			break;
4440 		}
4441 		letter++;
4442 	}
4443 }
4444 
4445 int __rte_experimental
4446 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4447 {
4448 	struct rte_kvargs args;
4449 	struct rte_kvargs_pair *pair;
4450 	unsigned int i;
4451 	int result = 0;
4452 
4453 	memset(eth_da, 0, sizeof(*eth_da));
4454 
4455 	result = rte_eth_devargs_tokenise(&args, dargs);
4456 	if (result < 0)
4457 		goto parse_cleanup;
4458 
4459 	for (i = 0; i < args.count; i++) {
4460 		pair = &args.pairs[i];
4461 		if (strcmp("representor", pair->key) == 0) {
4462 			result = rte_eth_devargs_parse_list(pair->value,
4463 				rte_eth_devargs_parse_representor_ports,
4464 				eth_da);
4465 			if (result < 0)
4466 				goto parse_cleanup;
4467 		}
4468 	}
4469 
4470 parse_cleanup:
4471 	if (args.str)
4472 		free(args.str);
4473 
4474 	return result;
4475 }
4476 
4477 RTE_INIT(ethdev_init_log)
4478 {
4479 	rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4480 	if (rte_eth_dev_logtype >= 0)
4481 		rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4482 }
4483