xref: /dpdk/lib/ethdev/rte_ethdev.c (revision 8f393c4ffdc1ff9b46702708781723ca0f17f5ac)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <ctype.h>
6 #include <errno.h>
7 #include <inttypes.h>
8 #include <stdbool.h>
9 #include <stdint.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <sys/queue.h>
13 
14 #include <rte_byteorder.h>
15 #include <rte_log.h>
16 #include <rte_debug.h>
17 #include <rte_interrupts.h>
18 #include <rte_memory.h>
19 #include <rte_memcpy.h>
20 #include <rte_memzone.h>
21 #include <rte_launch.h>
22 #include <rte_eal.h>
23 #include <rte_per_lcore.h>
24 #include <rte_lcore.h>
25 #include <rte_branch_prediction.h>
26 #include <rte_common.h>
27 #include <rte_mempool.h>
28 #include <rte_malloc.h>
29 #include <rte_mbuf.h>
30 #include <rte_errno.h>
31 #include <rte_spinlock.h>
32 #include <rte_string_fns.h>
33 #include <rte_kvargs.h>
34 #include <rte_class.h>
35 #include <rte_ether.h>
36 #include <rte_telemetry.h>
37 
38 #include "rte_ethdev_trace.h"
39 #include "rte_ethdev.h"
40 #include "ethdev_driver.h"
41 #include "ethdev_profile.h"
42 #include "ethdev_private.h"
43 
44 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
45 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
46 
47 /* spinlock for eth device callbacks */
48 static rte_spinlock_t eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
49 
50 /* spinlock for add/remove rx callbacks */
51 static rte_spinlock_t eth_dev_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
52 
53 /* spinlock for add/remove tx callbacks */
54 static rte_spinlock_t eth_dev_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
55 
56 /* spinlock for shared data allocation */
57 static rte_spinlock_t eth_dev_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
58 
59 /* store statistics names and its offset in stats structure  */
60 struct rte_eth_xstats_name_off {
61 	char name[RTE_ETH_XSTATS_NAME_SIZE];
62 	unsigned offset;
63 };
64 
65 /* Shared memory between primary and secondary processes. */
66 static struct {
67 	uint64_t next_owner_id;
68 	rte_spinlock_t ownership_lock;
69 	struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
70 } *eth_dev_shared_data;
71 
72 static const struct rte_eth_xstats_name_off eth_dev_stats_strings[] = {
73 	{"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
74 	{"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
75 	{"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
76 	{"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
77 	{"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
78 	{"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
79 	{"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
80 	{"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
81 		rx_nombuf)},
82 };
83 
84 #define RTE_NB_STATS RTE_DIM(eth_dev_stats_strings)
85 
86 static const struct rte_eth_xstats_name_off eth_dev_rxq_stats_strings[] = {
87 	{"packets", offsetof(struct rte_eth_stats, q_ipackets)},
88 	{"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
89 	{"errors", offsetof(struct rte_eth_stats, q_errors)},
90 };
91 
92 #define RTE_NB_RXQ_STATS RTE_DIM(eth_dev_rxq_stats_strings)
93 
94 static const struct rte_eth_xstats_name_off eth_dev_txq_stats_strings[] = {
95 	{"packets", offsetof(struct rte_eth_stats, q_opackets)},
96 	{"bytes", offsetof(struct rte_eth_stats, q_obytes)},
97 };
98 #define RTE_NB_TXQ_STATS RTE_DIM(eth_dev_txq_stats_strings)
99 
100 #define RTE_RX_OFFLOAD_BIT2STR(_name)	\
101 	{ DEV_RX_OFFLOAD_##_name, #_name }
102 
103 #define RTE_ETH_RX_OFFLOAD_BIT2STR(_name)	\
104 	{ RTE_ETH_RX_OFFLOAD_##_name, #_name }
105 
106 static const struct {
107 	uint64_t offload;
108 	const char *name;
109 } eth_dev_rx_offload_names[] = {
110 	RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
111 	RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
112 	RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
113 	RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
114 	RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
115 	RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
116 	RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
117 	RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
118 	RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
119 	RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
120 	RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
121 	RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
122 	RTE_RX_OFFLOAD_BIT2STR(SCATTER),
123 	RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
124 	RTE_RX_OFFLOAD_BIT2STR(SECURITY),
125 	RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
126 	RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
127 	RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
128 	RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
129 	RTE_ETH_RX_OFFLOAD_BIT2STR(BUFFER_SPLIT),
130 };
131 
132 #undef RTE_RX_OFFLOAD_BIT2STR
133 #undef RTE_ETH_RX_OFFLOAD_BIT2STR
134 
135 #define RTE_TX_OFFLOAD_BIT2STR(_name)	\
136 	{ DEV_TX_OFFLOAD_##_name, #_name }
137 
138 static const struct {
139 	uint64_t offload;
140 	const char *name;
141 } eth_dev_tx_offload_names[] = {
142 	RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
143 	RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
144 	RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
145 	RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
146 	RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
147 	RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
148 	RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
149 	RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
150 	RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
151 	RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
152 	RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
153 	RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
154 	RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
155 	RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
156 	RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
157 	RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
158 	RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
159 	RTE_TX_OFFLOAD_BIT2STR(SECURITY),
160 	RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
161 	RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
162 	RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
163 	RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
164 };
165 
166 #undef RTE_TX_OFFLOAD_BIT2STR
167 
168 /**
169  * The user application callback description.
170  *
171  * It contains callback address to be registered by user application,
172  * the pointer to the parameters for callback, and the event type.
173  */
174 struct rte_eth_dev_callback {
175 	TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
176 	rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
177 	void *cb_arg;                           /**< Parameter for callback */
178 	void *ret_param;                        /**< Return parameter */
179 	enum rte_eth_event_type event;          /**< Interrupt event type */
180 	uint32_t active;                        /**< Callback is executing */
181 };
182 
183 enum {
184 	STAT_QMAP_TX = 0,
185 	STAT_QMAP_RX
186 };
187 
188 int
189 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
190 {
191 	int ret;
192 	struct rte_devargs devargs;
193 	const char *bus_param_key;
194 	char *bus_str = NULL;
195 	char *cls_str = NULL;
196 	int str_size;
197 
198 	if (iter == NULL) {
199 		RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL iterator\n");
200 		return -EINVAL;
201 	}
202 
203 	if (devargs_str == NULL) {
204 		RTE_ETHDEV_LOG(ERR,
205 			"Cannot initialize iterator from NULL device description string\n");
206 		return -EINVAL;
207 	}
208 
209 	memset(iter, 0, sizeof(*iter));
210 	memset(&devargs, 0, sizeof(devargs));
211 
212 	/*
213 	 * The devargs string may use various syntaxes:
214 	 *   - 0000:08:00.0,representor=[1-3]
215 	 *   - pci:0000:06:00.0,representor=[0,5]
216 	 *   - class=eth,mac=00:11:22:33:44:55
217 	 * A new syntax is in development (not yet supported):
218 	 *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
219 	 */
220 
221 	/*
222 	 * Handle pure class filter (i.e. without any bus-level argument),
223 	 * from future new syntax.
224 	 * rte_devargs_parse() is not yet supporting the new syntax,
225 	 * that's why this simple case is temporarily parsed here.
226 	 */
227 #define iter_anybus_str "class=eth,"
228 	if (strncmp(devargs_str, iter_anybus_str,
229 			strlen(iter_anybus_str)) == 0) {
230 		iter->cls_str = devargs_str + strlen(iter_anybus_str);
231 		goto end;
232 	}
233 
234 	/* Split bus, device and parameters. */
235 	ret = rte_devargs_parse(&devargs, devargs_str);
236 	if (ret != 0)
237 		goto error;
238 
239 	/*
240 	 * Assume parameters of old syntax can match only at ethdev level.
241 	 * Extra parameters will be ignored, thanks to "+" prefix.
242 	 */
243 	str_size = strlen(devargs.args) + 2;
244 	cls_str = malloc(str_size);
245 	if (cls_str == NULL) {
246 		ret = -ENOMEM;
247 		goto error;
248 	}
249 	ret = snprintf(cls_str, str_size, "+%s", devargs.args);
250 	if (ret != str_size - 1) {
251 		ret = -EINVAL;
252 		goto error;
253 	}
254 	iter->cls_str = cls_str;
255 
256 	iter->bus = devargs.bus;
257 	if (iter->bus->dev_iterate == NULL) {
258 		ret = -ENOTSUP;
259 		goto error;
260 	}
261 
262 	/* Convert bus args to new syntax for use with new API dev_iterate. */
263 	if ((strcmp(iter->bus->name, "vdev") == 0) ||
264 		(strcmp(iter->bus->name, "fslmc") == 0) ||
265 		(strcmp(iter->bus->name, "dpaa_bus") == 0)) {
266 		bus_param_key = "name";
267 	} else if (strcmp(iter->bus->name, "pci") == 0) {
268 		bus_param_key = "addr";
269 	} else {
270 		ret = -ENOTSUP;
271 		goto error;
272 	}
273 	str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
274 	bus_str = malloc(str_size);
275 	if (bus_str == NULL) {
276 		ret = -ENOMEM;
277 		goto error;
278 	}
279 	ret = snprintf(bus_str, str_size, "%s=%s",
280 			bus_param_key, devargs.name);
281 	if (ret != str_size - 1) {
282 		ret = -EINVAL;
283 		goto error;
284 	}
285 	iter->bus_str = bus_str;
286 
287 end:
288 	iter->cls = rte_class_find_by_name("eth");
289 	rte_devargs_reset(&devargs);
290 	return 0;
291 
292 error:
293 	if (ret == -ENOTSUP)
294 		RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
295 				iter->bus->name);
296 	rte_devargs_reset(&devargs);
297 	free(bus_str);
298 	free(cls_str);
299 	return ret;
300 }
301 
302 uint16_t
303 rte_eth_iterator_next(struct rte_dev_iterator *iter)
304 {
305 	if (iter == NULL) {
306 		RTE_ETHDEV_LOG(ERR,
307 			"Cannot get next device from NULL iterator\n");
308 		return RTE_MAX_ETHPORTS;
309 	}
310 
311 	if (iter->cls == NULL) /* invalid ethdev iterator */
312 		return RTE_MAX_ETHPORTS;
313 
314 	do { /* loop to try all matching rte_device */
315 		/* If not pure ethdev filter and */
316 		if (iter->bus != NULL &&
317 				/* not in middle of rte_eth_dev iteration, */
318 				iter->class_device == NULL) {
319 			/* get next rte_device to try. */
320 			iter->device = iter->bus->dev_iterate(
321 					iter->device, iter->bus_str, iter);
322 			if (iter->device == NULL)
323 				break; /* no more rte_device candidate */
324 		}
325 		/* A device is matching bus part, need to check ethdev part. */
326 		iter->class_device = iter->cls->dev_iterate(
327 				iter->class_device, iter->cls_str, iter);
328 		if (iter->class_device != NULL)
329 			return eth_dev_to_id(iter->class_device); /* match */
330 	} while (iter->bus != NULL); /* need to try next rte_device */
331 
332 	/* No more ethdev port to iterate. */
333 	rte_eth_iterator_cleanup(iter);
334 	return RTE_MAX_ETHPORTS;
335 }
336 
337 void
338 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
339 {
340 	if (iter == NULL) {
341 		RTE_ETHDEV_LOG(ERR, "Cannot do clean up from NULL iterator\n");
342 		return;
343 	}
344 
345 	if (iter->bus_str == NULL)
346 		return; /* nothing to free in pure class filter */
347 	free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
348 	free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
349 	memset(iter, 0, sizeof(*iter));
350 }
351 
352 uint16_t
353 rte_eth_find_next(uint16_t port_id)
354 {
355 	while (port_id < RTE_MAX_ETHPORTS &&
356 			rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
357 		port_id++;
358 
359 	if (port_id >= RTE_MAX_ETHPORTS)
360 		return RTE_MAX_ETHPORTS;
361 
362 	return port_id;
363 }
364 
365 /*
366  * Macro to iterate over all valid ports for internal usage.
367  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
368  */
369 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
370 	for (port_id = rte_eth_find_next(0); \
371 	     port_id < RTE_MAX_ETHPORTS; \
372 	     port_id = rte_eth_find_next(port_id + 1))
373 
374 uint16_t
375 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
376 {
377 	port_id = rte_eth_find_next(port_id);
378 	while (port_id < RTE_MAX_ETHPORTS &&
379 			rte_eth_devices[port_id].device != parent)
380 		port_id = rte_eth_find_next(port_id + 1);
381 
382 	return port_id;
383 }
384 
385 uint16_t
386 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
387 {
388 	RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
389 	return rte_eth_find_next_of(port_id,
390 			rte_eth_devices[ref_port_id].device);
391 }
392 
393 static void
394 eth_dev_shared_data_prepare(void)
395 {
396 	const unsigned flags = 0;
397 	const struct rte_memzone *mz;
398 
399 	rte_spinlock_lock(&eth_dev_shared_data_lock);
400 
401 	if (eth_dev_shared_data == NULL) {
402 		if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
403 			/* Allocate port data and ownership shared memory. */
404 			mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
405 					sizeof(*eth_dev_shared_data),
406 					rte_socket_id(), flags);
407 		} else
408 			mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
409 		if (mz == NULL)
410 			rte_panic("Cannot allocate ethdev shared data\n");
411 
412 		eth_dev_shared_data = mz->addr;
413 		if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
414 			eth_dev_shared_data->next_owner_id =
415 					RTE_ETH_DEV_NO_OWNER + 1;
416 			rte_spinlock_init(&eth_dev_shared_data->ownership_lock);
417 			memset(eth_dev_shared_data->data, 0,
418 			       sizeof(eth_dev_shared_data->data));
419 		}
420 	}
421 
422 	rte_spinlock_unlock(&eth_dev_shared_data_lock);
423 }
424 
425 static bool
426 eth_dev_is_allocated(const struct rte_eth_dev *ethdev)
427 {
428 	return ethdev->data->name[0] != '\0';
429 }
430 
431 static struct rte_eth_dev *
432 eth_dev_allocated(const char *name)
433 {
434 	uint16_t i;
435 
436 	RTE_BUILD_BUG_ON(RTE_MAX_ETHPORTS >= UINT16_MAX);
437 
438 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
439 		if (rte_eth_devices[i].data != NULL &&
440 		    strcmp(rte_eth_devices[i].data->name, name) == 0)
441 			return &rte_eth_devices[i];
442 	}
443 	return NULL;
444 }
445 
446 struct rte_eth_dev *
447 rte_eth_dev_allocated(const char *name)
448 {
449 	struct rte_eth_dev *ethdev;
450 
451 	eth_dev_shared_data_prepare();
452 
453 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
454 
455 	ethdev = eth_dev_allocated(name);
456 
457 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
458 
459 	return ethdev;
460 }
461 
462 static uint16_t
463 eth_dev_find_free_port(void)
464 {
465 	uint16_t i;
466 
467 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
468 		/* Using shared name field to find a free port. */
469 		if (eth_dev_shared_data->data[i].name[0] == '\0') {
470 			RTE_ASSERT(rte_eth_devices[i].state ==
471 				   RTE_ETH_DEV_UNUSED);
472 			return i;
473 		}
474 	}
475 	return RTE_MAX_ETHPORTS;
476 }
477 
478 static struct rte_eth_dev *
479 eth_dev_get(uint16_t port_id)
480 {
481 	struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
482 
483 	eth_dev->data = &eth_dev_shared_data->data[port_id];
484 
485 	return eth_dev;
486 }
487 
488 struct rte_eth_dev *
489 rte_eth_dev_allocate(const char *name)
490 {
491 	uint16_t port_id;
492 	struct rte_eth_dev *eth_dev = NULL;
493 	size_t name_len;
494 
495 	name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
496 	if (name_len == 0) {
497 		RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
498 		return NULL;
499 	}
500 
501 	if (name_len >= RTE_ETH_NAME_MAX_LEN) {
502 		RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
503 		return NULL;
504 	}
505 
506 	eth_dev_shared_data_prepare();
507 
508 	/* Synchronize port creation between primary and secondary threads. */
509 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
510 
511 	if (eth_dev_allocated(name) != NULL) {
512 		RTE_ETHDEV_LOG(ERR,
513 			"Ethernet device with name %s already allocated\n",
514 			name);
515 		goto unlock;
516 	}
517 
518 	port_id = eth_dev_find_free_port();
519 	if (port_id == RTE_MAX_ETHPORTS) {
520 		RTE_ETHDEV_LOG(ERR,
521 			"Reached maximum number of Ethernet ports\n");
522 		goto unlock;
523 	}
524 
525 	eth_dev = eth_dev_get(port_id);
526 	strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
527 	eth_dev->data->port_id = port_id;
528 	eth_dev->data->mtu = RTE_ETHER_MTU;
529 	pthread_mutex_init(&eth_dev->data->flow_ops_mutex, NULL);
530 
531 unlock:
532 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
533 
534 	return eth_dev;
535 }
536 
537 /*
538  * Attach to a port already registered by the primary process, which
539  * makes sure that the same device would have the same port id both
540  * in the primary and secondary process.
541  */
542 struct rte_eth_dev *
543 rte_eth_dev_attach_secondary(const char *name)
544 {
545 	uint16_t i;
546 	struct rte_eth_dev *eth_dev = NULL;
547 
548 	eth_dev_shared_data_prepare();
549 
550 	/* Synchronize port attachment to primary port creation and release. */
551 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
552 
553 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
554 		if (strcmp(eth_dev_shared_data->data[i].name, name) == 0)
555 			break;
556 	}
557 	if (i == RTE_MAX_ETHPORTS) {
558 		RTE_ETHDEV_LOG(ERR,
559 			"Device %s is not driven by the primary process\n",
560 			name);
561 	} else {
562 		eth_dev = eth_dev_get(i);
563 		RTE_ASSERT(eth_dev->data->port_id == i);
564 	}
565 
566 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
567 	return eth_dev;
568 }
569 
570 int
571 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
572 {
573 	if (eth_dev == NULL)
574 		return -EINVAL;
575 
576 	eth_dev_shared_data_prepare();
577 
578 	if (eth_dev->state != RTE_ETH_DEV_UNUSED)
579 		rte_eth_dev_callback_process(eth_dev,
580 				RTE_ETH_EVENT_DESTROY, NULL);
581 
582 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
583 
584 	eth_dev->state = RTE_ETH_DEV_UNUSED;
585 	eth_dev->device = NULL;
586 	eth_dev->process_private = NULL;
587 	eth_dev->intr_handle = NULL;
588 	eth_dev->rx_pkt_burst = NULL;
589 	eth_dev->tx_pkt_burst = NULL;
590 	eth_dev->tx_pkt_prepare = NULL;
591 	eth_dev->rx_queue_count = NULL;
592 	eth_dev->rx_descriptor_done = NULL;
593 	eth_dev->rx_descriptor_status = NULL;
594 	eth_dev->tx_descriptor_status = NULL;
595 	eth_dev->dev_ops = NULL;
596 
597 	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
598 		rte_free(eth_dev->data->rx_queues);
599 		rte_free(eth_dev->data->tx_queues);
600 		rte_free(eth_dev->data->mac_addrs);
601 		rte_free(eth_dev->data->hash_mac_addrs);
602 		rte_free(eth_dev->data->dev_private);
603 		pthread_mutex_destroy(&eth_dev->data->flow_ops_mutex);
604 		memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
605 	}
606 
607 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
608 
609 	return 0;
610 }
611 
612 int
613 rte_eth_dev_is_valid_port(uint16_t port_id)
614 {
615 	if (port_id >= RTE_MAX_ETHPORTS ||
616 	    (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
617 		return 0;
618 	else
619 		return 1;
620 }
621 
622 static int
623 eth_is_valid_owner_id(uint64_t owner_id)
624 {
625 	if (owner_id == RTE_ETH_DEV_NO_OWNER ||
626 	    eth_dev_shared_data->next_owner_id <= owner_id)
627 		return 0;
628 	return 1;
629 }
630 
631 uint64_t
632 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
633 {
634 	port_id = rte_eth_find_next(port_id);
635 	while (port_id < RTE_MAX_ETHPORTS &&
636 			rte_eth_devices[port_id].data->owner.id != owner_id)
637 		port_id = rte_eth_find_next(port_id + 1);
638 
639 	return port_id;
640 }
641 
642 int
643 rte_eth_dev_owner_new(uint64_t *owner_id)
644 {
645 	if (owner_id == NULL) {
646 		RTE_ETHDEV_LOG(ERR, "Cannot get new owner ID to NULL\n");
647 		return -EINVAL;
648 	}
649 
650 	eth_dev_shared_data_prepare();
651 
652 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
653 
654 	*owner_id = eth_dev_shared_data->next_owner_id++;
655 
656 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
657 	return 0;
658 }
659 
660 static int
661 eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
662 		       const struct rte_eth_dev_owner *new_owner)
663 {
664 	struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
665 	struct rte_eth_dev_owner *port_owner;
666 
667 	if (port_id >= RTE_MAX_ETHPORTS || !eth_dev_is_allocated(ethdev)) {
668 		RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
669 			port_id);
670 		return -ENODEV;
671 	}
672 
673 	if (new_owner == NULL) {
674 		RTE_ETHDEV_LOG(ERR,
675 			"Cannot set ethdev port %u owner from NULL owner\n",
676 			port_id);
677 		return -EINVAL;
678 	}
679 
680 	if (!eth_is_valid_owner_id(new_owner->id) &&
681 	    !eth_is_valid_owner_id(old_owner_id)) {
682 		RTE_ETHDEV_LOG(ERR,
683 			"Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
684 		       old_owner_id, new_owner->id);
685 		return -EINVAL;
686 	}
687 
688 	port_owner = &rte_eth_devices[port_id].data->owner;
689 	if (port_owner->id != old_owner_id) {
690 		RTE_ETHDEV_LOG(ERR,
691 			"Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
692 			port_id, port_owner->name, port_owner->id);
693 		return -EPERM;
694 	}
695 
696 	/* can not truncate (same structure) */
697 	strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
698 
699 	port_owner->id = new_owner->id;
700 
701 	RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
702 		port_id, new_owner->name, new_owner->id);
703 
704 	return 0;
705 }
706 
707 int
708 rte_eth_dev_owner_set(const uint16_t port_id,
709 		      const struct rte_eth_dev_owner *owner)
710 {
711 	int ret;
712 
713 	eth_dev_shared_data_prepare();
714 
715 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
716 
717 	ret = eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
718 
719 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
720 	return ret;
721 }
722 
723 int
724 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
725 {
726 	const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
727 			{.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
728 	int ret;
729 
730 	eth_dev_shared_data_prepare();
731 
732 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
733 
734 	ret = eth_dev_owner_set(port_id, owner_id, &new_owner);
735 
736 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
737 	return ret;
738 }
739 
740 int
741 rte_eth_dev_owner_delete(const uint64_t owner_id)
742 {
743 	uint16_t port_id;
744 	int ret = 0;
745 
746 	eth_dev_shared_data_prepare();
747 
748 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
749 
750 	if (eth_is_valid_owner_id(owner_id)) {
751 		for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
752 			if (rte_eth_devices[port_id].data->owner.id == owner_id)
753 				memset(&rte_eth_devices[port_id].data->owner, 0,
754 				       sizeof(struct rte_eth_dev_owner));
755 		RTE_ETHDEV_LOG(NOTICE,
756 			"All port owners owned by %016"PRIx64" identifier have removed\n",
757 			owner_id);
758 	} else {
759 		RTE_ETHDEV_LOG(ERR,
760 			       "Invalid owner id=%016"PRIx64"\n",
761 			       owner_id);
762 		ret = -EINVAL;
763 	}
764 
765 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
766 
767 	return ret;
768 }
769 
770 int
771 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
772 {
773 	struct rte_eth_dev *ethdev;
774 
775 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
776 	ethdev = &rte_eth_devices[port_id];
777 
778 	if (!eth_dev_is_allocated(ethdev)) {
779 		RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
780 			port_id);
781 		return -ENODEV;
782 	}
783 
784 	if (owner == NULL) {
785 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u owner to NULL\n",
786 			port_id);
787 		return -EINVAL;
788 	}
789 
790 	eth_dev_shared_data_prepare();
791 
792 	rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
793 	rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
794 	rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
795 
796 	return 0;
797 }
798 
799 int
800 rte_eth_dev_socket_id(uint16_t port_id)
801 {
802 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
803 	return rte_eth_devices[port_id].data->numa_node;
804 }
805 
806 void *
807 rte_eth_dev_get_sec_ctx(uint16_t port_id)
808 {
809 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
810 	return rte_eth_devices[port_id].security_ctx;
811 }
812 
813 uint16_t
814 rte_eth_dev_count_avail(void)
815 {
816 	uint16_t p;
817 	uint16_t count;
818 
819 	count = 0;
820 
821 	RTE_ETH_FOREACH_DEV(p)
822 		count++;
823 
824 	return count;
825 }
826 
827 uint16_t
828 rte_eth_dev_count_total(void)
829 {
830 	uint16_t port, count = 0;
831 
832 	RTE_ETH_FOREACH_VALID_DEV(port)
833 		count++;
834 
835 	return count;
836 }
837 
838 int
839 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
840 {
841 	char *tmp;
842 
843 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
844 
845 	if (name == NULL) {
846 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u name to NULL\n",
847 			port_id);
848 		return -EINVAL;
849 	}
850 
851 	/* shouldn't check 'rte_eth_devices[i].data',
852 	 * because it might be overwritten by VDEV PMD */
853 	tmp = eth_dev_shared_data->data[port_id].name;
854 	strcpy(name, tmp);
855 	return 0;
856 }
857 
858 int
859 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
860 {
861 	uint16_t pid;
862 
863 	if (name == NULL) {
864 		RTE_ETHDEV_LOG(ERR, "Cannot get port ID from NULL name");
865 		return -EINVAL;
866 	}
867 
868 	if (port_id == NULL) {
869 		RTE_ETHDEV_LOG(ERR,
870 			"Cannot get port ID to NULL for %s\n", name);
871 		return -EINVAL;
872 	}
873 
874 	RTE_ETH_FOREACH_VALID_DEV(pid)
875 		if (!strcmp(name, eth_dev_shared_data->data[pid].name)) {
876 			*port_id = pid;
877 			return 0;
878 		}
879 
880 	return -ENODEV;
881 }
882 
883 static int
884 eth_err(uint16_t port_id, int ret)
885 {
886 	if (ret == 0)
887 		return 0;
888 	if (rte_eth_dev_is_removed(port_id))
889 		return -EIO;
890 	return ret;
891 }
892 
893 static int
894 eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
895 {
896 	uint16_t old_nb_queues = dev->data->nb_rx_queues;
897 	void **rxq;
898 	unsigned i;
899 
900 	if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
901 		dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
902 				sizeof(dev->data->rx_queues[0]) * nb_queues,
903 				RTE_CACHE_LINE_SIZE);
904 		if (dev->data->rx_queues == NULL) {
905 			dev->data->nb_rx_queues = 0;
906 			return -(ENOMEM);
907 		}
908 	} else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
909 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
910 
911 		rxq = dev->data->rx_queues;
912 
913 		for (i = nb_queues; i < old_nb_queues; i++)
914 			(*dev->dev_ops->rx_queue_release)(rxq[i]);
915 		rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
916 				RTE_CACHE_LINE_SIZE);
917 		if (rxq == NULL)
918 			return -(ENOMEM);
919 		if (nb_queues > old_nb_queues) {
920 			uint16_t new_qs = nb_queues - old_nb_queues;
921 
922 			memset(rxq + old_nb_queues, 0,
923 				sizeof(rxq[0]) * new_qs);
924 		}
925 
926 		dev->data->rx_queues = rxq;
927 
928 	} else if (dev->data->rx_queues != NULL && nb_queues == 0) {
929 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
930 
931 		rxq = dev->data->rx_queues;
932 
933 		for (i = nb_queues; i < old_nb_queues; i++)
934 			(*dev->dev_ops->rx_queue_release)(rxq[i]);
935 
936 		rte_free(dev->data->rx_queues);
937 		dev->data->rx_queues = NULL;
938 	}
939 	dev->data->nb_rx_queues = nb_queues;
940 	return 0;
941 }
942 
943 static int
944 eth_dev_validate_rx_queue(const struct rte_eth_dev *dev, uint16_t rx_queue_id)
945 {
946 	uint16_t port_id;
947 
948 	if (rx_queue_id >= dev->data->nb_rx_queues) {
949 		port_id = dev->data->port_id;
950 		RTE_ETHDEV_LOG(ERR,
951 			       "Invalid Rx queue_id=%u of device with port_id=%u\n",
952 			       rx_queue_id, port_id);
953 		return -EINVAL;
954 	}
955 
956 	if (dev->data->rx_queues[rx_queue_id] == NULL) {
957 		port_id = dev->data->port_id;
958 		RTE_ETHDEV_LOG(ERR,
959 			       "Queue %u of device with port_id=%u has not been setup\n",
960 			       rx_queue_id, port_id);
961 		return -EINVAL;
962 	}
963 
964 	return 0;
965 }
966 
967 static int
968 eth_dev_validate_tx_queue(const struct rte_eth_dev *dev, uint16_t tx_queue_id)
969 {
970 	uint16_t port_id;
971 
972 	if (tx_queue_id >= dev->data->nb_tx_queues) {
973 		port_id = dev->data->port_id;
974 		RTE_ETHDEV_LOG(ERR,
975 			       "Invalid Tx queue_id=%u of device with port_id=%u\n",
976 			       tx_queue_id, port_id);
977 		return -EINVAL;
978 	}
979 
980 	if (dev->data->tx_queues[tx_queue_id] == NULL) {
981 		port_id = dev->data->port_id;
982 		RTE_ETHDEV_LOG(ERR,
983 			       "Queue %u of device with port_id=%u has not been setup\n",
984 			       tx_queue_id, port_id);
985 		return -EINVAL;
986 	}
987 
988 	return 0;
989 }
990 
991 int
992 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
993 {
994 	struct rte_eth_dev *dev;
995 	int ret;
996 
997 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
998 	dev = &rte_eth_devices[port_id];
999 
1000 	if (!dev->data->dev_started) {
1001 		RTE_ETHDEV_LOG(ERR,
1002 			"Port %u must be started before start any queue\n",
1003 			port_id);
1004 		return -EINVAL;
1005 	}
1006 
1007 	ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1008 	if (ret != 0)
1009 		return ret;
1010 
1011 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
1012 
1013 	if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1014 		RTE_ETHDEV_LOG(INFO,
1015 			"Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1016 			rx_queue_id, port_id);
1017 		return -EINVAL;
1018 	}
1019 
1020 	if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1021 		RTE_ETHDEV_LOG(INFO,
1022 			"Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1023 			rx_queue_id, port_id);
1024 		return 0;
1025 	}
1026 
1027 	return eth_err(port_id, dev->dev_ops->rx_queue_start(dev, rx_queue_id));
1028 }
1029 
1030 int
1031 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
1032 {
1033 	struct rte_eth_dev *dev;
1034 	int ret;
1035 
1036 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1037 	dev = &rte_eth_devices[port_id];
1038 
1039 	ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1040 	if (ret != 0)
1041 		return ret;
1042 
1043 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
1044 
1045 	if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1046 		RTE_ETHDEV_LOG(INFO,
1047 			"Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1048 			rx_queue_id, port_id);
1049 		return -EINVAL;
1050 	}
1051 
1052 	if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1053 		RTE_ETHDEV_LOG(INFO,
1054 			"Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1055 			rx_queue_id, port_id);
1056 		return 0;
1057 	}
1058 
1059 	return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
1060 }
1061 
1062 int
1063 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
1064 {
1065 	struct rte_eth_dev *dev;
1066 	int ret;
1067 
1068 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1069 	dev = &rte_eth_devices[port_id];
1070 
1071 	if (!dev->data->dev_started) {
1072 		RTE_ETHDEV_LOG(ERR,
1073 			"Port %u must be started before start any queue\n",
1074 			port_id);
1075 		return -EINVAL;
1076 	}
1077 
1078 	ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1079 	if (ret != 0)
1080 		return ret;
1081 
1082 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
1083 
1084 	if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1085 		RTE_ETHDEV_LOG(INFO,
1086 			"Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1087 			tx_queue_id, port_id);
1088 		return -EINVAL;
1089 	}
1090 
1091 	if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1092 		RTE_ETHDEV_LOG(INFO,
1093 			"Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1094 			tx_queue_id, port_id);
1095 		return 0;
1096 	}
1097 
1098 	return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
1099 }
1100 
1101 int
1102 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
1103 {
1104 	struct rte_eth_dev *dev;
1105 	int ret;
1106 
1107 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1108 	dev = &rte_eth_devices[port_id];
1109 
1110 	ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1111 	if (ret != 0)
1112 		return ret;
1113 
1114 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1115 
1116 	if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1117 		RTE_ETHDEV_LOG(INFO,
1118 			"Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1119 			tx_queue_id, port_id);
1120 		return -EINVAL;
1121 	}
1122 
1123 	if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1124 		RTE_ETHDEV_LOG(INFO,
1125 			"Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1126 			tx_queue_id, port_id);
1127 		return 0;
1128 	}
1129 
1130 	return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1131 }
1132 
1133 static int
1134 eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1135 {
1136 	uint16_t old_nb_queues = dev->data->nb_tx_queues;
1137 	void **txq;
1138 	unsigned i;
1139 
1140 	if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1141 		dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1142 						   sizeof(dev->data->tx_queues[0]) * nb_queues,
1143 						   RTE_CACHE_LINE_SIZE);
1144 		if (dev->data->tx_queues == NULL) {
1145 			dev->data->nb_tx_queues = 0;
1146 			return -(ENOMEM);
1147 		}
1148 	} else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1149 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1150 
1151 		txq = dev->data->tx_queues;
1152 
1153 		for (i = nb_queues; i < old_nb_queues; i++)
1154 			(*dev->dev_ops->tx_queue_release)(txq[i]);
1155 		txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1156 				  RTE_CACHE_LINE_SIZE);
1157 		if (txq == NULL)
1158 			return -ENOMEM;
1159 		if (nb_queues > old_nb_queues) {
1160 			uint16_t new_qs = nb_queues - old_nb_queues;
1161 
1162 			memset(txq + old_nb_queues, 0,
1163 			       sizeof(txq[0]) * new_qs);
1164 		}
1165 
1166 		dev->data->tx_queues = txq;
1167 
1168 	} else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1169 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1170 
1171 		txq = dev->data->tx_queues;
1172 
1173 		for (i = nb_queues; i < old_nb_queues; i++)
1174 			(*dev->dev_ops->tx_queue_release)(txq[i]);
1175 
1176 		rte_free(dev->data->tx_queues);
1177 		dev->data->tx_queues = NULL;
1178 	}
1179 	dev->data->nb_tx_queues = nb_queues;
1180 	return 0;
1181 }
1182 
1183 uint32_t
1184 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1185 {
1186 	switch (speed) {
1187 	case ETH_SPEED_NUM_10M:
1188 		return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1189 	case ETH_SPEED_NUM_100M:
1190 		return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1191 	case ETH_SPEED_NUM_1G:
1192 		return ETH_LINK_SPEED_1G;
1193 	case ETH_SPEED_NUM_2_5G:
1194 		return ETH_LINK_SPEED_2_5G;
1195 	case ETH_SPEED_NUM_5G:
1196 		return ETH_LINK_SPEED_5G;
1197 	case ETH_SPEED_NUM_10G:
1198 		return ETH_LINK_SPEED_10G;
1199 	case ETH_SPEED_NUM_20G:
1200 		return ETH_LINK_SPEED_20G;
1201 	case ETH_SPEED_NUM_25G:
1202 		return ETH_LINK_SPEED_25G;
1203 	case ETH_SPEED_NUM_40G:
1204 		return ETH_LINK_SPEED_40G;
1205 	case ETH_SPEED_NUM_50G:
1206 		return ETH_LINK_SPEED_50G;
1207 	case ETH_SPEED_NUM_56G:
1208 		return ETH_LINK_SPEED_56G;
1209 	case ETH_SPEED_NUM_100G:
1210 		return ETH_LINK_SPEED_100G;
1211 	case ETH_SPEED_NUM_200G:
1212 		return ETH_LINK_SPEED_200G;
1213 	default:
1214 		return 0;
1215 	}
1216 }
1217 
1218 const char *
1219 rte_eth_dev_rx_offload_name(uint64_t offload)
1220 {
1221 	const char *name = "UNKNOWN";
1222 	unsigned int i;
1223 
1224 	for (i = 0; i < RTE_DIM(eth_dev_rx_offload_names); ++i) {
1225 		if (offload == eth_dev_rx_offload_names[i].offload) {
1226 			name = eth_dev_rx_offload_names[i].name;
1227 			break;
1228 		}
1229 	}
1230 
1231 	return name;
1232 }
1233 
1234 const char *
1235 rte_eth_dev_tx_offload_name(uint64_t offload)
1236 {
1237 	const char *name = "UNKNOWN";
1238 	unsigned int i;
1239 
1240 	for (i = 0; i < RTE_DIM(eth_dev_tx_offload_names); ++i) {
1241 		if (offload == eth_dev_tx_offload_names[i].offload) {
1242 			name = eth_dev_tx_offload_names[i].name;
1243 			break;
1244 		}
1245 	}
1246 
1247 	return name;
1248 }
1249 
1250 static inline int
1251 eth_dev_check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1252 		   uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1253 {
1254 	int ret = 0;
1255 
1256 	if (dev_info_size == 0) {
1257 		if (config_size != max_rx_pkt_len) {
1258 			RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1259 				       " %u != %u is not allowed\n",
1260 				       port_id, config_size, max_rx_pkt_len);
1261 			ret = -EINVAL;
1262 		}
1263 	} else if (config_size > dev_info_size) {
1264 		RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1265 			       "> max allowed value %u\n", port_id, config_size,
1266 			       dev_info_size);
1267 		ret = -EINVAL;
1268 	} else if (config_size < RTE_ETHER_MIN_LEN) {
1269 		RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1270 			       "< min allowed value %u\n", port_id, config_size,
1271 			       (unsigned int)RTE_ETHER_MIN_LEN);
1272 		ret = -EINVAL;
1273 	}
1274 	return ret;
1275 }
1276 
1277 /*
1278  * Validate offloads that are requested through rte_eth_dev_configure against
1279  * the offloads successfully set by the ethernet device.
1280  *
1281  * @param port_id
1282  *   The port identifier of the Ethernet device.
1283  * @param req_offloads
1284  *   The offloads that have been requested through `rte_eth_dev_configure`.
1285  * @param set_offloads
1286  *   The offloads successfully set by the ethernet device.
1287  * @param offload_type
1288  *   The offload type i.e. Rx/Tx string.
1289  * @param offload_name
1290  *   The function that prints the offload name.
1291  * @return
1292  *   - (0) if validation successful.
1293  *   - (-EINVAL) if requested offload has been silently disabled.
1294  *
1295  */
1296 static int
1297 eth_dev_validate_offloads(uint16_t port_id, uint64_t req_offloads,
1298 		  uint64_t set_offloads, const char *offload_type,
1299 		  const char *(*offload_name)(uint64_t))
1300 {
1301 	uint64_t offloads_diff = req_offloads ^ set_offloads;
1302 	uint64_t offload;
1303 	int ret = 0;
1304 
1305 	while (offloads_diff != 0) {
1306 		/* Check if any offload is requested but not enabled. */
1307 		offload = 1ULL << __builtin_ctzll(offloads_diff);
1308 		if (offload & req_offloads) {
1309 			RTE_ETHDEV_LOG(ERR,
1310 				"Port %u failed to enable %s offload %s\n",
1311 				port_id, offload_type, offload_name(offload));
1312 			ret = -EINVAL;
1313 		}
1314 
1315 		/* Check if offload couldn't be disabled. */
1316 		if (offload & set_offloads) {
1317 			RTE_ETHDEV_LOG(DEBUG,
1318 				"Port %u %s offload %s is not requested but enabled\n",
1319 				port_id, offload_type, offload_name(offload));
1320 		}
1321 
1322 		offloads_diff &= ~offload;
1323 	}
1324 
1325 	return ret;
1326 }
1327 
1328 int
1329 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1330 		      const struct rte_eth_conf *dev_conf)
1331 {
1332 	struct rte_eth_dev *dev;
1333 	struct rte_eth_dev_info dev_info;
1334 	struct rte_eth_conf orig_conf;
1335 	uint16_t overhead_len;
1336 	int diag;
1337 	int ret;
1338 	uint16_t old_mtu;
1339 
1340 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1341 	dev = &rte_eth_devices[port_id];
1342 
1343 	if (dev_conf == NULL) {
1344 		RTE_ETHDEV_LOG(ERR,
1345 			"Cannot configure ethdev port %u from NULL config\n",
1346 			port_id);
1347 		return -EINVAL;
1348 	}
1349 
1350 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1351 
1352 	if (dev->data->dev_started) {
1353 		RTE_ETHDEV_LOG(ERR,
1354 			"Port %u must be stopped to allow configuration\n",
1355 			port_id);
1356 		return -EBUSY;
1357 	}
1358 
1359 	/*
1360 	 * Ensure that "dev_configured" is always 0 each time prepare to do
1361 	 * dev_configure() to avoid any non-anticipated behaviour.
1362 	 * And set to 1 when dev_configure() is executed successfully.
1363 	 */
1364 	dev->data->dev_configured = 0;
1365 
1366 	 /* Store original config, as rollback required on failure */
1367 	memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1368 
1369 	/*
1370 	 * Copy the dev_conf parameter into the dev structure.
1371 	 * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1372 	 */
1373 	if (dev_conf != &dev->data->dev_conf)
1374 		memcpy(&dev->data->dev_conf, dev_conf,
1375 		       sizeof(dev->data->dev_conf));
1376 
1377 	/* Backup mtu for rollback */
1378 	old_mtu = dev->data->mtu;
1379 
1380 	ret = rte_eth_dev_info_get(port_id, &dev_info);
1381 	if (ret != 0)
1382 		goto rollback;
1383 
1384 	/* Get the real Ethernet overhead length */
1385 	if (dev_info.max_mtu != UINT16_MAX &&
1386 	    dev_info.max_rx_pktlen > dev_info.max_mtu)
1387 		overhead_len = dev_info.max_rx_pktlen - dev_info.max_mtu;
1388 	else
1389 		overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1390 
1391 	/* If number of queues specified by application for both Rx and Tx is
1392 	 * zero, use driver preferred values. This cannot be done individually
1393 	 * as it is valid for either Tx or Rx (but not both) to be zero.
1394 	 * If driver does not provide any preferred valued, fall back on
1395 	 * EAL defaults.
1396 	 */
1397 	if (nb_rx_q == 0 && nb_tx_q == 0) {
1398 		nb_rx_q = dev_info.default_rxportconf.nb_queues;
1399 		if (nb_rx_q == 0)
1400 			nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1401 		nb_tx_q = dev_info.default_txportconf.nb_queues;
1402 		if (nb_tx_q == 0)
1403 			nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1404 	}
1405 
1406 	if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1407 		RTE_ETHDEV_LOG(ERR,
1408 			"Number of RX queues requested (%u) is greater than max supported(%d)\n",
1409 			nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1410 		ret = -EINVAL;
1411 		goto rollback;
1412 	}
1413 
1414 	if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1415 		RTE_ETHDEV_LOG(ERR,
1416 			"Number of TX queues requested (%u) is greater than max supported(%d)\n",
1417 			nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1418 		ret = -EINVAL;
1419 		goto rollback;
1420 	}
1421 
1422 	/*
1423 	 * Check that the numbers of RX and TX queues are not greater
1424 	 * than the maximum number of RX and TX queues supported by the
1425 	 * configured device.
1426 	 */
1427 	if (nb_rx_q > dev_info.max_rx_queues) {
1428 		RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1429 			port_id, nb_rx_q, dev_info.max_rx_queues);
1430 		ret = -EINVAL;
1431 		goto rollback;
1432 	}
1433 
1434 	if (nb_tx_q > dev_info.max_tx_queues) {
1435 		RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1436 			port_id, nb_tx_q, dev_info.max_tx_queues);
1437 		ret = -EINVAL;
1438 		goto rollback;
1439 	}
1440 
1441 	/* Check that the device supports requested interrupts */
1442 	if ((dev_conf->intr_conf.lsc == 1) &&
1443 			(!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1444 		RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1445 			dev->device->driver->name);
1446 		ret = -EINVAL;
1447 		goto rollback;
1448 	}
1449 	if ((dev_conf->intr_conf.rmv == 1) &&
1450 			(!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1451 		RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1452 			dev->device->driver->name);
1453 		ret = -EINVAL;
1454 		goto rollback;
1455 	}
1456 
1457 	/*
1458 	 * If jumbo frames are enabled, check that the maximum RX packet
1459 	 * length is supported by the configured device.
1460 	 */
1461 	if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1462 		if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1463 			RTE_ETHDEV_LOG(ERR,
1464 				"Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1465 				port_id, dev_conf->rxmode.max_rx_pkt_len,
1466 				dev_info.max_rx_pktlen);
1467 			ret = -EINVAL;
1468 			goto rollback;
1469 		} else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1470 			RTE_ETHDEV_LOG(ERR,
1471 				"Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1472 				port_id, dev_conf->rxmode.max_rx_pkt_len,
1473 				(unsigned int)RTE_ETHER_MIN_LEN);
1474 			ret = -EINVAL;
1475 			goto rollback;
1476 		}
1477 
1478 		/* Scale the MTU size to adapt max_rx_pkt_len */
1479 		dev->data->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len -
1480 				overhead_len;
1481 	} else {
1482 		uint16_t pktlen = dev_conf->rxmode.max_rx_pkt_len;
1483 		if (pktlen < RTE_ETHER_MIN_MTU + overhead_len ||
1484 		    pktlen > RTE_ETHER_MTU + overhead_len)
1485 			/* Use default value */
1486 			dev->data->dev_conf.rxmode.max_rx_pkt_len =
1487 						RTE_ETHER_MTU + overhead_len;
1488 	}
1489 
1490 	/*
1491 	 * If LRO is enabled, check that the maximum aggregated packet
1492 	 * size is supported by the configured device.
1493 	 */
1494 	if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1495 		if (dev_conf->rxmode.max_lro_pkt_size == 0)
1496 			dev->data->dev_conf.rxmode.max_lro_pkt_size =
1497 				dev->data->dev_conf.rxmode.max_rx_pkt_len;
1498 		ret = eth_dev_check_lro_pkt_size(port_id,
1499 				dev->data->dev_conf.rxmode.max_lro_pkt_size,
1500 				dev->data->dev_conf.rxmode.max_rx_pkt_len,
1501 				dev_info.max_lro_pkt_size);
1502 		if (ret != 0)
1503 			goto rollback;
1504 	}
1505 
1506 	/* Any requested offloading must be within its device capabilities */
1507 	if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1508 	     dev_conf->rxmode.offloads) {
1509 		RTE_ETHDEV_LOG(ERR,
1510 			"Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1511 			"capabilities 0x%"PRIx64" in %s()\n",
1512 			port_id, dev_conf->rxmode.offloads,
1513 			dev_info.rx_offload_capa,
1514 			__func__);
1515 		ret = -EINVAL;
1516 		goto rollback;
1517 	}
1518 	if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1519 	     dev_conf->txmode.offloads) {
1520 		RTE_ETHDEV_LOG(ERR,
1521 			"Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1522 			"capabilities 0x%"PRIx64" in %s()\n",
1523 			port_id, dev_conf->txmode.offloads,
1524 			dev_info.tx_offload_capa,
1525 			__func__);
1526 		ret = -EINVAL;
1527 		goto rollback;
1528 	}
1529 
1530 	dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1531 		rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1532 
1533 	/* Check that device supports requested rss hash functions. */
1534 	if ((dev_info.flow_type_rss_offloads |
1535 	     dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1536 	    dev_info.flow_type_rss_offloads) {
1537 		RTE_ETHDEV_LOG(ERR,
1538 			"Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1539 			port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1540 			dev_info.flow_type_rss_offloads);
1541 		ret = -EINVAL;
1542 		goto rollback;
1543 	}
1544 
1545 	/* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1546 	if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1547 	    (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1548 		RTE_ETHDEV_LOG(ERR,
1549 			"Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1550 			port_id,
1551 			rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1552 		ret = -EINVAL;
1553 		goto rollback;
1554 	}
1555 
1556 	/*
1557 	 * Setup new number of RX/TX queues and reconfigure device.
1558 	 */
1559 	diag = eth_dev_rx_queue_config(dev, nb_rx_q);
1560 	if (diag != 0) {
1561 		RTE_ETHDEV_LOG(ERR,
1562 			"Port%u eth_dev_rx_queue_config = %d\n",
1563 			port_id, diag);
1564 		ret = diag;
1565 		goto rollback;
1566 	}
1567 
1568 	diag = eth_dev_tx_queue_config(dev, nb_tx_q);
1569 	if (diag != 0) {
1570 		RTE_ETHDEV_LOG(ERR,
1571 			"Port%u eth_dev_tx_queue_config = %d\n",
1572 			port_id, diag);
1573 		eth_dev_rx_queue_config(dev, 0);
1574 		ret = diag;
1575 		goto rollback;
1576 	}
1577 
1578 	diag = (*dev->dev_ops->dev_configure)(dev);
1579 	if (diag != 0) {
1580 		RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1581 			port_id, diag);
1582 		ret = eth_err(port_id, diag);
1583 		goto reset_queues;
1584 	}
1585 
1586 	/* Initialize Rx profiling if enabled at compilation time. */
1587 	diag = __rte_eth_dev_profile_init(port_id, dev);
1588 	if (diag != 0) {
1589 		RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1590 			port_id, diag);
1591 		ret = eth_err(port_id, diag);
1592 		goto reset_queues;
1593 	}
1594 
1595 	/* Validate Rx offloads. */
1596 	diag = eth_dev_validate_offloads(port_id,
1597 			dev_conf->rxmode.offloads,
1598 			dev->data->dev_conf.rxmode.offloads, "Rx",
1599 			rte_eth_dev_rx_offload_name);
1600 	if (diag != 0) {
1601 		ret = diag;
1602 		goto reset_queues;
1603 	}
1604 
1605 	/* Validate Tx offloads. */
1606 	diag = eth_dev_validate_offloads(port_id,
1607 			dev_conf->txmode.offloads,
1608 			dev->data->dev_conf.txmode.offloads, "Tx",
1609 			rte_eth_dev_tx_offload_name);
1610 	if (diag != 0) {
1611 		ret = diag;
1612 		goto reset_queues;
1613 	}
1614 
1615 	dev->data->dev_configured = 1;
1616 	rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1617 	return 0;
1618 reset_queues:
1619 	eth_dev_rx_queue_config(dev, 0);
1620 	eth_dev_tx_queue_config(dev, 0);
1621 rollback:
1622 	memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1623 	if (old_mtu != dev->data->mtu)
1624 		dev->data->mtu = old_mtu;
1625 
1626 	rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1627 	return ret;
1628 }
1629 
1630 void
1631 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1632 {
1633 	if (dev->data->dev_started) {
1634 		RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1635 			dev->data->port_id);
1636 		return;
1637 	}
1638 
1639 	eth_dev_rx_queue_config(dev, 0);
1640 	eth_dev_tx_queue_config(dev, 0);
1641 
1642 	memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1643 }
1644 
1645 static void
1646 eth_dev_mac_restore(struct rte_eth_dev *dev,
1647 			struct rte_eth_dev_info *dev_info)
1648 {
1649 	struct rte_ether_addr *addr;
1650 	uint16_t i;
1651 	uint32_t pool = 0;
1652 	uint64_t pool_mask;
1653 
1654 	/* replay MAC address configuration including default MAC */
1655 	addr = &dev->data->mac_addrs[0];
1656 	if (*dev->dev_ops->mac_addr_set != NULL)
1657 		(*dev->dev_ops->mac_addr_set)(dev, addr);
1658 	else if (*dev->dev_ops->mac_addr_add != NULL)
1659 		(*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1660 
1661 	if (*dev->dev_ops->mac_addr_add != NULL) {
1662 		for (i = 1; i < dev_info->max_mac_addrs; i++) {
1663 			addr = &dev->data->mac_addrs[i];
1664 
1665 			/* skip zero address */
1666 			if (rte_is_zero_ether_addr(addr))
1667 				continue;
1668 
1669 			pool = 0;
1670 			pool_mask = dev->data->mac_pool_sel[i];
1671 
1672 			do {
1673 				if (pool_mask & 1ULL)
1674 					(*dev->dev_ops->mac_addr_add)(dev,
1675 						addr, i, pool);
1676 				pool_mask >>= 1;
1677 				pool++;
1678 			} while (pool_mask);
1679 		}
1680 	}
1681 }
1682 
1683 static int
1684 eth_dev_config_restore(struct rte_eth_dev *dev,
1685 		struct rte_eth_dev_info *dev_info, uint16_t port_id)
1686 {
1687 	int ret;
1688 
1689 	if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1690 		eth_dev_mac_restore(dev, dev_info);
1691 
1692 	/* replay promiscuous configuration */
1693 	/*
1694 	 * use callbacks directly since we don't need port_id check and
1695 	 * would like to bypass the same value set
1696 	 */
1697 	if (rte_eth_promiscuous_get(port_id) == 1 &&
1698 	    *dev->dev_ops->promiscuous_enable != NULL) {
1699 		ret = eth_err(port_id,
1700 			      (*dev->dev_ops->promiscuous_enable)(dev));
1701 		if (ret != 0 && ret != -ENOTSUP) {
1702 			RTE_ETHDEV_LOG(ERR,
1703 				"Failed to enable promiscuous mode for device (port %u): %s\n",
1704 				port_id, rte_strerror(-ret));
1705 			return ret;
1706 		}
1707 	} else if (rte_eth_promiscuous_get(port_id) == 0 &&
1708 		   *dev->dev_ops->promiscuous_disable != NULL) {
1709 		ret = eth_err(port_id,
1710 			      (*dev->dev_ops->promiscuous_disable)(dev));
1711 		if (ret != 0 && ret != -ENOTSUP) {
1712 			RTE_ETHDEV_LOG(ERR,
1713 				"Failed to disable promiscuous mode for device (port %u): %s\n",
1714 				port_id, rte_strerror(-ret));
1715 			return ret;
1716 		}
1717 	}
1718 
1719 	/* replay all multicast configuration */
1720 	/*
1721 	 * use callbacks directly since we don't need port_id check and
1722 	 * would like to bypass the same value set
1723 	 */
1724 	if (rte_eth_allmulticast_get(port_id) == 1 &&
1725 	    *dev->dev_ops->allmulticast_enable != NULL) {
1726 		ret = eth_err(port_id,
1727 			      (*dev->dev_ops->allmulticast_enable)(dev));
1728 		if (ret != 0 && ret != -ENOTSUP) {
1729 			RTE_ETHDEV_LOG(ERR,
1730 				"Failed to enable allmulticast mode for device (port %u): %s\n",
1731 				port_id, rte_strerror(-ret));
1732 			return ret;
1733 		}
1734 	} else if (rte_eth_allmulticast_get(port_id) == 0 &&
1735 		   *dev->dev_ops->allmulticast_disable != NULL) {
1736 		ret = eth_err(port_id,
1737 			      (*dev->dev_ops->allmulticast_disable)(dev));
1738 		if (ret != 0 && ret != -ENOTSUP) {
1739 			RTE_ETHDEV_LOG(ERR,
1740 				"Failed to disable allmulticast mode for device (port %u): %s\n",
1741 				port_id, rte_strerror(-ret));
1742 			return ret;
1743 		}
1744 	}
1745 
1746 	return 0;
1747 }
1748 
1749 int
1750 rte_eth_dev_start(uint16_t port_id)
1751 {
1752 	struct rte_eth_dev *dev;
1753 	struct rte_eth_dev_info dev_info;
1754 	int diag;
1755 	int ret, ret_stop;
1756 
1757 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1758 	dev = &rte_eth_devices[port_id];
1759 
1760 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1761 
1762 	if (dev->data->dev_configured == 0) {
1763 		RTE_ETHDEV_LOG(INFO,
1764 			"Device with port_id=%"PRIu16" is not configured.\n",
1765 			port_id);
1766 		return -EINVAL;
1767 	}
1768 
1769 	if (dev->data->dev_started != 0) {
1770 		RTE_ETHDEV_LOG(INFO,
1771 			"Device with port_id=%"PRIu16" already started\n",
1772 			port_id);
1773 		return 0;
1774 	}
1775 
1776 	ret = rte_eth_dev_info_get(port_id, &dev_info);
1777 	if (ret != 0)
1778 		return ret;
1779 
1780 	/* Lets restore MAC now if device does not support live change */
1781 	if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1782 		eth_dev_mac_restore(dev, &dev_info);
1783 
1784 	diag = (*dev->dev_ops->dev_start)(dev);
1785 	if (diag == 0)
1786 		dev->data->dev_started = 1;
1787 	else
1788 		return eth_err(port_id, diag);
1789 
1790 	ret = eth_dev_config_restore(dev, &dev_info, port_id);
1791 	if (ret != 0) {
1792 		RTE_ETHDEV_LOG(ERR,
1793 			"Error during restoring configuration for device (port %u): %s\n",
1794 			port_id, rte_strerror(-ret));
1795 		ret_stop = rte_eth_dev_stop(port_id);
1796 		if (ret_stop != 0) {
1797 			RTE_ETHDEV_LOG(ERR,
1798 				"Failed to stop device (port %u): %s\n",
1799 				port_id, rte_strerror(-ret_stop));
1800 		}
1801 
1802 		return ret;
1803 	}
1804 
1805 	if (dev->data->dev_conf.intr_conf.lsc == 0) {
1806 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1807 		(*dev->dev_ops->link_update)(dev, 0);
1808 	}
1809 
1810 	rte_ethdev_trace_start(port_id);
1811 	return 0;
1812 }
1813 
1814 int
1815 rte_eth_dev_stop(uint16_t port_id)
1816 {
1817 	struct rte_eth_dev *dev;
1818 	int ret;
1819 
1820 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1821 	dev = &rte_eth_devices[port_id];
1822 
1823 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
1824 
1825 	if (dev->data->dev_started == 0) {
1826 		RTE_ETHDEV_LOG(INFO,
1827 			"Device with port_id=%"PRIu16" already stopped\n",
1828 			port_id);
1829 		return 0;
1830 	}
1831 
1832 	dev->data->dev_started = 0;
1833 	ret = (*dev->dev_ops->dev_stop)(dev);
1834 	rte_ethdev_trace_stop(port_id, ret);
1835 
1836 	return ret;
1837 }
1838 
1839 int
1840 rte_eth_dev_set_link_up(uint16_t port_id)
1841 {
1842 	struct rte_eth_dev *dev;
1843 
1844 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1845 	dev = &rte_eth_devices[port_id];
1846 
1847 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1848 	return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1849 }
1850 
1851 int
1852 rte_eth_dev_set_link_down(uint16_t port_id)
1853 {
1854 	struct rte_eth_dev *dev;
1855 
1856 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1857 	dev = &rte_eth_devices[port_id];
1858 
1859 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1860 	return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1861 }
1862 
1863 int
1864 rte_eth_dev_close(uint16_t port_id)
1865 {
1866 	struct rte_eth_dev *dev;
1867 	int firsterr, binerr;
1868 	int *lasterr = &firsterr;
1869 
1870 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1871 	dev = &rte_eth_devices[port_id];
1872 
1873 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1874 	*lasterr = (*dev->dev_ops->dev_close)(dev);
1875 	if (*lasterr != 0)
1876 		lasterr = &binerr;
1877 
1878 	rte_ethdev_trace_close(port_id);
1879 	*lasterr = rte_eth_dev_release_port(dev);
1880 
1881 	return firsterr;
1882 }
1883 
1884 int
1885 rte_eth_dev_reset(uint16_t port_id)
1886 {
1887 	struct rte_eth_dev *dev;
1888 	int ret;
1889 
1890 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1891 	dev = &rte_eth_devices[port_id];
1892 
1893 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1894 
1895 	ret = rte_eth_dev_stop(port_id);
1896 	if (ret != 0) {
1897 		RTE_ETHDEV_LOG(ERR,
1898 			"Failed to stop device (port %u) before reset: %s - ignore\n",
1899 			port_id, rte_strerror(-ret));
1900 	}
1901 	ret = dev->dev_ops->dev_reset(dev);
1902 
1903 	return eth_err(port_id, ret);
1904 }
1905 
1906 int
1907 rte_eth_dev_is_removed(uint16_t port_id)
1908 {
1909 	struct rte_eth_dev *dev;
1910 	int ret;
1911 
1912 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1913 	dev = &rte_eth_devices[port_id];
1914 
1915 	if (dev->state == RTE_ETH_DEV_REMOVED)
1916 		return 1;
1917 
1918 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1919 
1920 	ret = dev->dev_ops->is_removed(dev);
1921 	if (ret != 0)
1922 		/* Device is physically removed. */
1923 		dev->state = RTE_ETH_DEV_REMOVED;
1924 
1925 	return ret;
1926 }
1927 
1928 static int
1929 rte_eth_rx_queue_check_split(const struct rte_eth_rxseg_split *rx_seg,
1930 			     uint16_t n_seg, uint32_t *mbp_buf_size,
1931 			     const struct rte_eth_dev_info *dev_info)
1932 {
1933 	const struct rte_eth_rxseg_capa *seg_capa = &dev_info->rx_seg_capa;
1934 	struct rte_mempool *mp_first;
1935 	uint32_t offset_mask;
1936 	uint16_t seg_idx;
1937 
1938 	if (n_seg > seg_capa->max_nseg) {
1939 		RTE_ETHDEV_LOG(ERR,
1940 			       "Requested Rx segments %u exceed supported %u\n",
1941 			       n_seg, seg_capa->max_nseg);
1942 		return -EINVAL;
1943 	}
1944 	/*
1945 	 * Check the sizes and offsets against buffer sizes
1946 	 * for each segment specified in extended configuration.
1947 	 */
1948 	mp_first = rx_seg[0].mp;
1949 	offset_mask = (1u << seg_capa->offset_align_log2) - 1;
1950 	for (seg_idx = 0; seg_idx < n_seg; seg_idx++) {
1951 		struct rte_mempool *mpl = rx_seg[seg_idx].mp;
1952 		uint32_t length = rx_seg[seg_idx].length;
1953 		uint32_t offset = rx_seg[seg_idx].offset;
1954 
1955 		if (mpl == NULL) {
1956 			RTE_ETHDEV_LOG(ERR, "null mempool pointer\n");
1957 			return -EINVAL;
1958 		}
1959 		if (seg_idx != 0 && mp_first != mpl &&
1960 		    seg_capa->multi_pools == 0) {
1961 			RTE_ETHDEV_LOG(ERR, "Receiving to multiple pools is not supported\n");
1962 			return -ENOTSUP;
1963 		}
1964 		if (offset != 0) {
1965 			if (seg_capa->offset_allowed == 0) {
1966 				RTE_ETHDEV_LOG(ERR, "Rx segmentation with offset is not supported\n");
1967 				return -ENOTSUP;
1968 			}
1969 			if (offset & offset_mask) {
1970 				RTE_ETHDEV_LOG(ERR, "Rx segmentation invalid offset alignment %u, %u\n",
1971 					       offset,
1972 					       seg_capa->offset_align_log2);
1973 				return -EINVAL;
1974 			}
1975 		}
1976 		if (mpl->private_data_size <
1977 			sizeof(struct rte_pktmbuf_pool_private)) {
1978 			RTE_ETHDEV_LOG(ERR,
1979 				       "%s private_data_size %u < %u\n",
1980 				       mpl->name, mpl->private_data_size,
1981 				       (unsigned int)sizeof
1982 					(struct rte_pktmbuf_pool_private));
1983 			return -ENOSPC;
1984 		}
1985 		offset += seg_idx != 0 ? 0 : RTE_PKTMBUF_HEADROOM;
1986 		*mbp_buf_size = rte_pktmbuf_data_room_size(mpl);
1987 		length = length != 0 ? length : *mbp_buf_size;
1988 		if (*mbp_buf_size < length + offset) {
1989 			RTE_ETHDEV_LOG(ERR,
1990 				       "%s mbuf_data_room_size %u < %u (segment length=%u + segment offset=%u)\n",
1991 				       mpl->name, *mbp_buf_size,
1992 				       length + offset, length, offset);
1993 			return -EINVAL;
1994 		}
1995 	}
1996 	return 0;
1997 }
1998 
1999 int
2000 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2001 		       uint16_t nb_rx_desc, unsigned int socket_id,
2002 		       const struct rte_eth_rxconf *rx_conf,
2003 		       struct rte_mempool *mp)
2004 {
2005 	int ret;
2006 	uint32_t mbp_buf_size;
2007 	struct rte_eth_dev *dev;
2008 	struct rte_eth_dev_info dev_info;
2009 	struct rte_eth_rxconf local_conf;
2010 	void **rxq;
2011 
2012 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2013 	dev = &rte_eth_devices[port_id];
2014 
2015 	if (rx_queue_id >= dev->data->nb_rx_queues) {
2016 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2017 		return -EINVAL;
2018 	}
2019 
2020 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
2021 
2022 	ret = rte_eth_dev_info_get(port_id, &dev_info);
2023 	if (ret != 0)
2024 		return ret;
2025 
2026 	if (mp != NULL) {
2027 		/* Single pool configuration check. */
2028 		if (rx_conf != NULL && rx_conf->rx_nseg != 0) {
2029 			RTE_ETHDEV_LOG(ERR,
2030 				       "Ambiguous segment configuration\n");
2031 			return -EINVAL;
2032 		}
2033 		/*
2034 		 * Check the size of the mbuf data buffer, this value
2035 		 * must be provided in the private data of the memory pool.
2036 		 * First check that the memory pool(s) has a valid private data.
2037 		 */
2038 		if (mp->private_data_size <
2039 				sizeof(struct rte_pktmbuf_pool_private)) {
2040 			RTE_ETHDEV_LOG(ERR, "%s private_data_size %u < %u\n",
2041 				mp->name, mp->private_data_size,
2042 				(unsigned int)
2043 				sizeof(struct rte_pktmbuf_pool_private));
2044 			return -ENOSPC;
2045 		}
2046 		mbp_buf_size = rte_pktmbuf_data_room_size(mp);
2047 		if (mbp_buf_size < dev_info.min_rx_bufsize +
2048 				   RTE_PKTMBUF_HEADROOM) {
2049 			RTE_ETHDEV_LOG(ERR,
2050 				       "%s mbuf_data_room_size %u < %u (RTE_PKTMBUF_HEADROOM=%u + min_rx_bufsize(dev)=%u)\n",
2051 				       mp->name, mbp_buf_size,
2052 				       RTE_PKTMBUF_HEADROOM +
2053 				       dev_info.min_rx_bufsize,
2054 				       RTE_PKTMBUF_HEADROOM,
2055 				       dev_info.min_rx_bufsize);
2056 			return -EINVAL;
2057 		}
2058 	} else {
2059 		const struct rte_eth_rxseg_split *rx_seg;
2060 		uint16_t n_seg;
2061 
2062 		/* Extended multi-segment configuration check. */
2063 		if (rx_conf == NULL || rx_conf->rx_seg == NULL || rx_conf->rx_nseg == 0) {
2064 			RTE_ETHDEV_LOG(ERR,
2065 				       "Memory pool is null and no extended configuration provided\n");
2066 			return -EINVAL;
2067 		}
2068 
2069 		rx_seg = (const struct rte_eth_rxseg_split *)rx_conf->rx_seg;
2070 		n_seg = rx_conf->rx_nseg;
2071 
2072 		if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) {
2073 			ret = rte_eth_rx_queue_check_split(rx_seg, n_seg,
2074 							   &mbp_buf_size,
2075 							   &dev_info);
2076 			if (ret != 0)
2077 				return ret;
2078 		} else {
2079 			RTE_ETHDEV_LOG(ERR, "No Rx segmentation offload configured\n");
2080 			return -EINVAL;
2081 		}
2082 	}
2083 
2084 	/* Use default specified by driver, if nb_rx_desc is zero */
2085 	if (nb_rx_desc == 0) {
2086 		nb_rx_desc = dev_info.default_rxportconf.ring_size;
2087 		/* If driver default is also zero, fall back on EAL default */
2088 		if (nb_rx_desc == 0)
2089 			nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
2090 	}
2091 
2092 	if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
2093 			nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
2094 			nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
2095 
2096 		RTE_ETHDEV_LOG(ERR,
2097 			"Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2098 			nb_rx_desc, dev_info.rx_desc_lim.nb_max,
2099 			dev_info.rx_desc_lim.nb_min,
2100 			dev_info.rx_desc_lim.nb_align);
2101 		return -EINVAL;
2102 	}
2103 
2104 	if (dev->data->dev_started &&
2105 		!(dev_info.dev_capa &
2106 			RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
2107 		return -EBUSY;
2108 
2109 	if (dev->data->dev_started &&
2110 		(dev->data->rx_queue_state[rx_queue_id] !=
2111 			RTE_ETH_QUEUE_STATE_STOPPED))
2112 		return -EBUSY;
2113 
2114 	rxq = dev->data->rx_queues;
2115 	if (rxq[rx_queue_id]) {
2116 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
2117 					-ENOTSUP);
2118 		(*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
2119 		rxq[rx_queue_id] = NULL;
2120 	}
2121 
2122 	if (rx_conf == NULL)
2123 		rx_conf = &dev_info.default_rxconf;
2124 
2125 	local_conf = *rx_conf;
2126 
2127 	/*
2128 	 * If an offloading has already been enabled in
2129 	 * rte_eth_dev_configure(), it has been enabled on all queues,
2130 	 * so there is no need to enable it in this queue again.
2131 	 * The local_conf.offloads input to underlying PMD only carries
2132 	 * those offloadings which are only enabled on this queue and
2133 	 * not enabled on all queues.
2134 	 */
2135 	local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
2136 
2137 	/*
2138 	 * New added offloadings for this queue are those not enabled in
2139 	 * rte_eth_dev_configure() and they must be per-queue type.
2140 	 * A pure per-port offloading can't be enabled on a queue while
2141 	 * disabled on another queue. A pure per-port offloading can't
2142 	 * be enabled for any queue as new added one if it hasn't been
2143 	 * enabled in rte_eth_dev_configure().
2144 	 */
2145 	if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
2146 	     local_conf.offloads) {
2147 		RTE_ETHDEV_LOG(ERR,
2148 			"Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2149 			"within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2150 			port_id, rx_queue_id, local_conf.offloads,
2151 			dev_info.rx_queue_offload_capa,
2152 			__func__);
2153 		return -EINVAL;
2154 	}
2155 
2156 	/*
2157 	 * If LRO is enabled, check that the maximum aggregated packet
2158 	 * size is supported by the configured device.
2159 	 */
2160 	if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
2161 		if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
2162 			dev->data->dev_conf.rxmode.max_lro_pkt_size =
2163 				dev->data->dev_conf.rxmode.max_rx_pkt_len;
2164 		int ret = eth_dev_check_lro_pkt_size(port_id,
2165 				dev->data->dev_conf.rxmode.max_lro_pkt_size,
2166 				dev->data->dev_conf.rxmode.max_rx_pkt_len,
2167 				dev_info.max_lro_pkt_size);
2168 		if (ret != 0)
2169 			return ret;
2170 	}
2171 
2172 	ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
2173 					      socket_id, &local_conf, mp);
2174 	if (!ret) {
2175 		if (!dev->data->min_rx_buf_size ||
2176 		    dev->data->min_rx_buf_size > mbp_buf_size)
2177 			dev->data->min_rx_buf_size = mbp_buf_size;
2178 	}
2179 
2180 	rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
2181 		rx_conf, ret);
2182 	return eth_err(port_id, ret);
2183 }
2184 
2185 int
2186 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2187 			       uint16_t nb_rx_desc,
2188 			       const struct rte_eth_hairpin_conf *conf)
2189 {
2190 	int ret;
2191 	struct rte_eth_dev *dev;
2192 	struct rte_eth_hairpin_cap cap;
2193 	void **rxq;
2194 	int i;
2195 	int count;
2196 
2197 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2198 	dev = &rte_eth_devices[port_id];
2199 
2200 	if (rx_queue_id >= dev->data->nb_rx_queues) {
2201 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2202 		return -EINVAL;
2203 	}
2204 
2205 	if (conf == NULL) {
2206 		RTE_ETHDEV_LOG(ERR,
2207 			"Cannot setup ethdev port %u Rx hairpin queue from NULL config\n",
2208 			port_id);
2209 		return -EINVAL;
2210 	}
2211 
2212 	ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2213 	if (ret != 0)
2214 		return ret;
2215 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
2216 				-ENOTSUP);
2217 	/* if nb_rx_desc is zero use max number of desc from the driver. */
2218 	if (nb_rx_desc == 0)
2219 		nb_rx_desc = cap.max_nb_desc;
2220 	if (nb_rx_desc > cap.max_nb_desc) {
2221 		RTE_ETHDEV_LOG(ERR,
2222 			"Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2223 			nb_rx_desc, cap.max_nb_desc);
2224 		return -EINVAL;
2225 	}
2226 	if (conf->peer_count > cap.max_rx_2_tx) {
2227 		RTE_ETHDEV_LOG(ERR,
2228 			"Invalid value for number of peers for Rx queue(=%u), should be: <= %hu",
2229 			conf->peer_count, cap.max_rx_2_tx);
2230 		return -EINVAL;
2231 	}
2232 	if (conf->peer_count == 0) {
2233 		RTE_ETHDEV_LOG(ERR,
2234 			"Invalid value for number of peers for Rx queue(=%u), should be: > 0",
2235 			conf->peer_count);
2236 		return -EINVAL;
2237 	}
2238 	for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2239 	     cap.max_nb_queues != UINT16_MAX; i++) {
2240 		if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2241 			count++;
2242 	}
2243 	if (count > cap.max_nb_queues) {
2244 		RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2245 		cap.max_nb_queues);
2246 		return -EINVAL;
2247 	}
2248 	if (dev->data->dev_started)
2249 		return -EBUSY;
2250 	rxq = dev->data->rx_queues;
2251 	if (rxq[rx_queue_id] != NULL) {
2252 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
2253 					-ENOTSUP);
2254 		(*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
2255 		rxq[rx_queue_id] = NULL;
2256 	}
2257 	ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2258 						      nb_rx_desc, conf);
2259 	if (ret == 0)
2260 		dev->data->rx_queue_state[rx_queue_id] =
2261 			RTE_ETH_QUEUE_STATE_HAIRPIN;
2262 	return eth_err(port_id, ret);
2263 }
2264 
2265 int
2266 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2267 		       uint16_t nb_tx_desc, unsigned int socket_id,
2268 		       const struct rte_eth_txconf *tx_conf)
2269 {
2270 	struct rte_eth_dev *dev;
2271 	struct rte_eth_dev_info dev_info;
2272 	struct rte_eth_txconf local_conf;
2273 	void **txq;
2274 	int ret;
2275 
2276 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2277 	dev = &rte_eth_devices[port_id];
2278 
2279 	if (tx_queue_id >= dev->data->nb_tx_queues) {
2280 		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2281 		return -EINVAL;
2282 	}
2283 
2284 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2285 
2286 	ret = rte_eth_dev_info_get(port_id, &dev_info);
2287 	if (ret != 0)
2288 		return ret;
2289 
2290 	/* Use default specified by driver, if nb_tx_desc is zero */
2291 	if (nb_tx_desc == 0) {
2292 		nb_tx_desc = dev_info.default_txportconf.ring_size;
2293 		/* If driver default is zero, fall back on EAL default */
2294 		if (nb_tx_desc == 0)
2295 			nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2296 	}
2297 	if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2298 	    nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2299 	    nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2300 		RTE_ETHDEV_LOG(ERR,
2301 			"Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2302 			nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2303 			dev_info.tx_desc_lim.nb_min,
2304 			dev_info.tx_desc_lim.nb_align);
2305 		return -EINVAL;
2306 	}
2307 
2308 	if (dev->data->dev_started &&
2309 		!(dev_info.dev_capa &
2310 			RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2311 		return -EBUSY;
2312 
2313 	if (dev->data->dev_started &&
2314 		(dev->data->tx_queue_state[tx_queue_id] !=
2315 			RTE_ETH_QUEUE_STATE_STOPPED))
2316 		return -EBUSY;
2317 
2318 	txq = dev->data->tx_queues;
2319 	if (txq[tx_queue_id]) {
2320 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2321 					-ENOTSUP);
2322 		(*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2323 		txq[tx_queue_id] = NULL;
2324 	}
2325 
2326 	if (tx_conf == NULL)
2327 		tx_conf = &dev_info.default_txconf;
2328 
2329 	local_conf = *tx_conf;
2330 
2331 	/*
2332 	 * If an offloading has already been enabled in
2333 	 * rte_eth_dev_configure(), it has been enabled on all queues,
2334 	 * so there is no need to enable it in this queue again.
2335 	 * The local_conf.offloads input to underlying PMD only carries
2336 	 * those offloadings which are only enabled on this queue and
2337 	 * not enabled on all queues.
2338 	 */
2339 	local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2340 
2341 	/*
2342 	 * New added offloadings for this queue are those not enabled in
2343 	 * rte_eth_dev_configure() and they must be per-queue type.
2344 	 * A pure per-port offloading can't be enabled on a queue while
2345 	 * disabled on another queue. A pure per-port offloading can't
2346 	 * be enabled for any queue as new added one if it hasn't been
2347 	 * enabled in rte_eth_dev_configure().
2348 	 */
2349 	if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2350 	     local_conf.offloads) {
2351 		RTE_ETHDEV_LOG(ERR,
2352 			"Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2353 			"within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2354 			port_id, tx_queue_id, local_conf.offloads,
2355 			dev_info.tx_queue_offload_capa,
2356 			__func__);
2357 		return -EINVAL;
2358 	}
2359 
2360 	rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2361 	return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2362 		       tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2363 }
2364 
2365 int
2366 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2367 			       uint16_t nb_tx_desc,
2368 			       const struct rte_eth_hairpin_conf *conf)
2369 {
2370 	struct rte_eth_dev *dev;
2371 	struct rte_eth_hairpin_cap cap;
2372 	void **txq;
2373 	int i;
2374 	int count;
2375 	int ret;
2376 
2377 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2378 	dev = &rte_eth_devices[port_id];
2379 
2380 	if (tx_queue_id >= dev->data->nb_tx_queues) {
2381 		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2382 		return -EINVAL;
2383 	}
2384 
2385 	if (conf == NULL) {
2386 		RTE_ETHDEV_LOG(ERR,
2387 			"Cannot setup ethdev port %u Tx hairpin queue from NULL config\n",
2388 			port_id);
2389 		return -EINVAL;
2390 	}
2391 
2392 	ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2393 	if (ret != 0)
2394 		return ret;
2395 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2396 				-ENOTSUP);
2397 	/* if nb_rx_desc is zero use max number of desc from the driver. */
2398 	if (nb_tx_desc == 0)
2399 		nb_tx_desc = cap.max_nb_desc;
2400 	if (nb_tx_desc > cap.max_nb_desc) {
2401 		RTE_ETHDEV_LOG(ERR,
2402 			"Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2403 			nb_tx_desc, cap.max_nb_desc);
2404 		return -EINVAL;
2405 	}
2406 	if (conf->peer_count > cap.max_tx_2_rx) {
2407 		RTE_ETHDEV_LOG(ERR,
2408 			"Invalid value for number of peers for Tx queue(=%u), should be: <= %hu",
2409 			conf->peer_count, cap.max_tx_2_rx);
2410 		return -EINVAL;
2411 	}
2412 	if (conf->peer_count == 0) {
2413 		RTE_ETHDEV_LOG(ERR,
2414 			"Invalid value for number of peers for Tx queue(=%u), should be: > 0",
2415 			conf->peer_count);
2416 		return -EINVAL;
2417 	}
2418 	for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2419 	     cap.max_nb_queues != UINT16_MAX; i++) {
2420 		if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2421 			count++;
2422 	}
2423 	if (count > cap.max_nb_queues) {
2424 		RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2425 		cap.max_nb_queues);
2426 		return -EINVAL;
2427 	}
2428 	if (dev->data->dev_started)
2429 		return -EBUSY;
2430 	txq = dev->data->tx_queues;
2431 	if (txq[tx_queue_id] != NULL) {
2432 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2433 					-ENOTSUP);
2434 		(*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2435 		txq[tx_queue_id] = NULL;
2436 	}
2437 	ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2438 		(dev, tx_queue_id, nb_tx_desc, conf);
2439 	if (ret == 0)
2440 		dev->data->tx_queue_state[tx_queue_id] =
2441 			RTE_ETH_QUEUE_STATE_HAIRPIN;
2442 	return eth_err(port_id, ret);
2443 }
2444 
2445 int
2446 rte_eth_hairpin_bind(uint16_t tx_port, uint16_t rx_port)
2447 {
2448 	struct rte_eth_dev *dev;
2449 	int ret;
2450 
2451 	RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2452 	dev = &rte_eth_devices[tx_port];
2453 
2454 	if (dev->data->dev_started == 0) {
2455 		RTE_ETHDEV_LOG(ERR, "Tx port %d is not started\n", tx_port);
2456 		return -EBUSY;
2457 	}
2458 
2459 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_bind, -ENOTSUP);
2460 	ret = (*dev->dev_ops->hairpin_bind)(dev, rx_port);
2461 	if (ret != 0)
2462 		RTE_ETHDEV_LOG(ERR, "Failed to bind hairpin Tx %d"
2463 			       " to Rx %d (%d - all ports)\n",
2464 			       tx_port, rx_port, RTE_MAX_ETHPORTS);
2465 
2466 	return ret;
2467 }
2468 
2469 int
2470 rte_eth_hairpin_unbind(uint16_t tx_port, uint16_t rx_port)
2471 {
2472 	struct rte_eth_dev *dev;
2473 	int ret;
2474 
2475 	RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2476 	dev = &rte_eth_devices[tx_port];
2477 
2478 	if (dev->data->dev_started == 0) {
2479 		RTE_ETHDEV_LOG(ERR, "Tx port %d is already stopped\n", tx_port);
2480 		return -EBUSY;
2481 	}
2482 
2483 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_unbind, -ENOTSUP);
2484 	ret = (*dev->dev_ops->hairpin_unbind)(dev, rx_port);
2485 	if (ret != 0)
2486 		RTE_ETHDEV_LOG(ERR, "Failed to unbind hairpin Tx %d"
2487 			       " from Rx %d (%d - all ports)\n",
2488 			       tx_port, rx_port, RTE_MAX_ETHPORTS);
2489 
2490 	return ret;
2491 }
2492 
2493 int
2494 rte_eth_hairpin_get_peer_ports(uint16_t port_id, uint16_t *peer_ports,
2495 			       size_t len, uint32_t direction)
2496 {
2497 	struct rte_eth_dev *dev;
2498 	int ret;
2499 
2500 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2501 	dev = &rte_eth_devices[port_id];
2502 
2503 	if (peer_ports == NULL) {
2504 		RTE_ETHDEV_LOG(ERR,
2505 			"Cannot get ethdev port %u hairpin peer ports to NULL\n",
2506 			port_id);
2507 		return -EINVAL;
2508 	}
2509 
2510 	if (len == 0) {
2511 		RTE_ETHDEV_LOG(ERR,
2512 			"Cannot get ethdev port %u hairpin peer ports to array with zero size\n",
2513 			port_id);
2514 		return -EINVAL;
2515 	}
2516 
2517 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_get_peer_ports,
2518 				-ENOTSUP);
2519 
2520 	ret = (*dev->dev_ops->hairpin_get_peer_ports)(dev, peer_ports,
2521 						      len, direction);
2522 	if (ret < 0)
2523 		RTE_ETHDEV_LOG(ERR, "Failed to get %d hairpin peer %s ports\n",
2524 			       port_id, direction ? "Rx" : "Tx");
2525 
2526 	return ret;
2527 }
2528 
2529 void
2530 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2531 		void *userdata __rte_unused)
2532 {
2533 	rte_pktmbuf_free_bulk(pkts, unsent);
2534 }
2535 
2536 void
2537 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2538 		void *userdata)
2539 {
2540 	uint64_t *count = userdata;
2541 
2542 	rte_pktmbuf_free_bulk(pkts, unsent);
2543 	*count += unsent;
2544 }
2545 
2546 int
2547 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2548 		buffer_tx_error_fn cbfn, void *userdata)
2549 {
2550 	if (buffer == NULL) {
2551 		RTE_ETHDEV_LOG(ERR,
2552 			"Cannot set Tx buffer error callback to NULL buffer\n");
2553 		return -EINVAL;
2554 	}
2555 
2556 	buffer->error_callback = cbfn;
2557 	buffer->error_userdata = userdata;
2558 	return 0;
2559 }
2560 
2561 int
2562 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2563 {
2564 	int ret = 0;
2565 
2566 	if (buffer == NULL) {
2567 		RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL buffer\n");
2568 		return -EINVAL;
2569 	}
2570 
2571 	buffer->size = size;
2572 	if (buffer->error_callback == NULL) {
2573 		ret = rte_eth_tx_buffer_set_err_callback(
2574 			buffer, rte_eth_tx_buffer_drop_callback, NULL);
2575 	}
2576 
2577 	return ret;
2578 }
2579 
2580 int
2581 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2582 {
2583 	struct rte_eth_dev *dev;
2584 	int ret;
2585 
2586 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2587 	dev = &rte_eth_devices[port_id];
2588 
2589 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2590 
2591 	/* Call driver to free pending mbufs. */
2592 	ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2593 					       free_cnt);
2594 	return eth_err(port_id, ret);
2595 }
2596 
2597 int
2598 rte_eth_promiscuous_enable(uint16_t port_id)
2599 {
2600 	struct rte_eth_dev *dev;
2601 	int diag = 0;
2602 
2603 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2604 	dev = &rte_eth_devices[port_id];
2605 
2606 	if (dev->data->promiscuous == 1)
2607 		return 0;
2608 
2609 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2610 
2611 	diag = (*dev->dev_ops->promiscuous_enable)(dev);
2612 	dev->data->promiscuous = (diag == 0) ? 1 : 0;
2613 
2614 	return eth_err(port_id, diag);
2615 }
2616 
2617 int
2618 rte_eth_promiscuous_disable(uint16_t port_id)
2619 {
2620 	struct rte_eth_dev *dev;
2621 	int diag = 0;
2622 
2623 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2624 	dev = &rte_eth_devices[port_id];
2625 
2626 	if (dev->data->promiscuous == 0)
2627 		return 0;
2628 
2629 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2630 
2631 	dev->data->promiscuous = 0;
2632 	diag = (*dev->dev_ops->promiscuous_disable)(dev);
2633 	if (diag != 0)
2634 		dev->data->promiscuous = 1;
2635 
2636 	return eth_err(port_id, diag);
2637 }
2638 
2639 int
2640 rte_eth_promiscuous_get(uint16_t port_id)
2641 {
2642 	struct rte_eth_dev *dev;
2643 
2644 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2645 	dev = &rte_eth_devices[port_id];
2646 
2647 	return dev->data->promiscuous;
2648 }
2649 
2650 int
2651 rte_eth_allmulticast_enable(uint16_t port_id)
2652 {
2653 	struct rte_eth_dev *dev;
2654 	int diag;
2655 
2656 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2657 	dev = &rte_eth_devices[port_id];
2658 
2659 	if (dev->data->all_multicast == 1)
2660 		return 0;
2661 
2662 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2663 	diag = (*dev->dev_ops->allmulticast_enable)(dev);
2664 	dev->data->all_multicast = (diag == 0) ? 1 : 0;
2665 
2666 	return eth_err(port_id, diag);
2667 }
2668 
2669 int
2670 rte_eth_allmulticast_disable(uint16_t port_id)
2671 {
2672 	struct rte_eth_dev *dev;
2673 	int diag;
2674 
2675 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2676 	dev = &rte_eth_devices[port_id];
2677 
2678 	if (dev->data->all_multicast == 0)
2679 		return 0;
2680 
2681 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2682 	dev->data->all_multicast = 0;
2683 	diag = (*dev->dev_ops->allmulticast_disable)(dev);
2684 	if (diag != 0)
2685 		dev->data->all_multicast = 1;
2686 
2687 	return eth_err(port_id, diag);
2688 }
2689 
2690 int
2691 rte_eth_allmulticast_get(uint16_t port_id)
2692 {
2693 	struct rte_eth_dev *dev;
2694 
2695 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2696 	dev = &rte_eth_devices[port_id];
2697 
2698 	return dev->data->all_multicast;
2699 }
2700 
2701 int
2702 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2703 {
2704 	struct rte_eth_dev *dev;
2705 
2706 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2707 	dev = &rte_eth_devices[port_id];
2708 
2709 	if (eth_link == NULL) {
2710 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2711 			port_id);
2712 		return -EINVAL;
2713 	}
2714 
2715 	if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2716 		rte_eth_linkstatus_get(dev, eth_link);
2717 	else {
2718 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2719 		(*dev->dev_ops->link_update)(dev, 1);
2720 		*eth_link = dev->data->dev_link;
2721 	}
2722 
2723 	return 0;
2724 }
2725 
2726 int
2727 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2728 {
2729 	struct rte_eth_dev *dev;
2730 
2731 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2732 	dev = &rte_eth_devices[port_id];
2733 
2734 	if (eth_link == NULL) {
2735 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2736 			port_id);
2737 		return -EINVAL;
2738 	}
2739 
2740 	if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2741 		rte_eth_linkstatus_get(dev, eth_link);
2742 	else {
2743 		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2744 		(*dev->dev_ops->link_update)(dev, 0);
2745 		*eth_link = dev->data->dev_link;
2746 	}
2747 
2748 	return 0;
2749 }
2750 
2751 const char *
2752 rte_eth_link_speed_to_str(uint32_t link_speed)
2753 {
2754 	switch (link_speed) {
2755 	case ETH_SPEED_NUM_NONE: return "None";
2756 	case ETH_SPEED_NUM_10M:  return "10 Mbps";
2757 	case ETH_SPEED_NUM_100M: return "100 Mbps";
2758 	case ETH_SPEED_NUM_1G:   return "1 Gbps";
2759 	case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2760 	case ETH_SPEED_NUM_5G:   return "5 Gbps";
2761 	case ETH_SPEED_NUM_10G:  return "10 Gbps";
2762 	case ETH_SPEED_NUM_20G:  return "20 Gbps";
2763 	case ETH_SPEED_NUM_25G:  return "25 Gbps";
2764 	case ETH_SPEED_NUM_40G:  return "40 Gbps";
2765 	case ETH_SPEED_NUM_50G:  return "50 Gbps";
2766 	case ETH_SPEED_NUM_56G:  return "56 Gbps";
2767 	case ETH_SPEED_NUM_100G: return "100 Gbps";
2768 	case ETH_SPEED_NUM_200G: return "200 Gbps";
2769 	case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2770 	default: return "Invalid";
2771 	}
2772 }
2773 
2774 int
2775 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2776 {
2777 	if (str == NULL) {
2778 		RTE_ETHDEV_LOG(ERR, "Cannot convert link to NULL string\n");
2779 		return -EINVAL;
2780 	}
2781 
2782 	if (len == 0) {
2783 		RTE_ETHDEV_LOG(ERR,
2784 			"Cannot convert link to string with zero size\n");
2785 		return -EINVAL;
2786 	}
2787 
2788 	if (eth_link == NULL) {
2789 		RTE_ETHDEV_LOG(ERR, "Cannot convert to string from NULL link\n");
2790 		return -EINVAL;
2791 	}
2792 
2793 	if (eth_link->link_status == ETH_LINK_DOWN)
2794 		return snprintf(str, len, "Link down");
2795 	else
2796 		return snprintf(str, len, "Link up at %s %s %s",
2797 			rte_eth_link_speed_to_str(eth_link->link_speed),
2798 			(eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2799 			"FDX" : "HDX",
2800 			(eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2801 			"Autoneg" : "Fixed");
2802 }
2803 
2804 int
2805 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2806 {
2807 	struct rte_eth_dev *dev;
2808 
2809 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2810 	dev = &rte_eth_devices[port_id];
2811 
2812 	if (stats == NULL) {
2813 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u stats to NULL\n",
2814 			port_id);
2815 		return -EINVAL;
2816 	}
2817 
2818 	memset(stats, 0, sizeof(*stats));
2819 
2820 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2821 	stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2822 	return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2823 }
2824 
2825 int
2826 rte_eth_stats_reset(uint16_t port_id)
2827 {
2828 	struct rte_eth_dev *dev;
2829 	int ret;
2830 
2831 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2832 	dev = &rte_eth_devices[port_id];
2833 
2834 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2835 	ret = (*dev->dev_ops->stats_reset)(dev);
2836 	if (ret != 0)
2837 		return eth_err(port_id, ret);
2838 
2839 	dev->data->rx_mbuf_alloc_failed = 0;
2840 
2841 	return 0;
2842 }
2843 
2844 static inline int
2845 eth_dev_get_xstats_basic_count(struct rte_eth_dev *dev)
2846 {
2847 	uint16_t nb_rxqs, nb_txqs;
2848 	int count;
2849 
2850 	nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2851 	nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2852 
2853 	count = RTE_NB_STATS;
2854 	if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
2855 		count += nb_rxqs * RTE_NB_RXQ_STATS;
2856 		count += nb_txqs * RTE_NB_TXQ_STATS;
2857 	}
2858 
2859 	return count;
2860 }
2861 
2862 static int
2863 eth_dev_get_xstats_count(uint16_t port_id)
2864 {
2865 	struct rte_eth_dev *dev;
2866 	int count;
2867 
2868 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2869 	dev = &rte_eth_devices[port_id];
2870 	if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2871 		count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2872 				NULL, 0);
2873 		if (count < 0)
2874 			return eth_err(port_id, count);
2875 	}
2876 	if (dev->dev_ops->xstats_get_names != NULL) {
2877 		count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2878 		if (count < 0)
2879 			return eth_err(port_id, count);
2880 	} else
2881 		count = 0;
2882 
2883 
2884 	count += eth_dev_get_xstats_basic_count(dev);
2885 
2886 	return count;
2887 }
2888 
2889 int
2890 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2891 		uint64_t *id)
2892 {
2893 	int cnt_xstats, idx_xstat;
2894 
2895 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2896 
2897 	if (xstat_name == NULL) {
2898 		RTE_ETHDEV_LOG(ERR,
2899 			"Cannot get ethdev port %u xstats ID from NULL xstat name\n",
2900 			port_id);
2901 		return -ENOMEM;
2902 	}
2903 
2904 	if (id == NULL) {
2905 		RTE_ETHDEV_LOG(ERR,
2906 			"Cannot get ethdev port %u xstats ID to NULL\n",
2907 			port_id);
2908 		return -ENOMEM;
2909 	}
2910 
2911 	/* Get count */
2912 	cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2913 	if (cnt_xstats  < 0) {
2914 		RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2915 		return -ENODEV;
2916 	}
2917 
2918 	/* Get id-name lookup table */
2919 	struct rte_eth_xstat_name xstats_names[cnt_xstats];
2920 
2921 	if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2922 			port_id, xstats_names, cnt_xstats, NULL)) {
2923 		RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2924 		return -1;
2925 	}
2926 
2927 	for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2928 		if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2929 			*id = idx_xstat;
2930 			return 0;
2931 		};
2932 	}
2933 
2934 	return -EINVAL;
2935 }
2936 
2937 /* retrieve basic stats names */
2938 static int
2939 eth_basic_stats_get_names(struct rte_eth_dev *dev,
2940 	struct rte_eth_xstat_name *xstats_names)
2941 {
2942 	int cnt_used_entries = 0;
2943 	uint32_t idx, id_queue;
2944 	uint16_t num_q;
2945 
2946 	for (idx = 0; idx < RTE_NB_STATS; idx++) {
2947 		strlcpy(xstats_names[cnt_used_entries].name,
2948 			eth_dev_stats_strings[idx].name,
2949 			sizeof(xstats_names[0].name));
2950 		cnt_used_entries++;
2951 	}
2952 
2953 	if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
2954 		return cnt_used_entries;
2955 
2956 	num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2957 	for (id_queue = 0; id_queue < num_q; id_queue++) {
2958 		for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2959 			snprintf(xstats_names[cnt_used_entries].name,
2960 				sizeof(xstats_names[0].name),
2961 				"rx_q%u_%s",
2962 				id_queue, eth_dev_rxq_stats_strings[idx].name);
2963 			cnt_used_entries++;
2964 		}
2965 
2966 	}
2967 	num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2968 	for (id_queue = 0; id_queue < num_q; id_queue++) {
2969 		for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2970 			snprintf(xstats_names[cnt_used_entries].name,
2971 				sizeof(xstats_names[0].name),
2972 				"tx_q%u_%s",
2973 				id_queue, eth_dev_txq_stats_strings[idx].name);
2974 			cnt_used_entries++;
2975 		}
2976 	}
2977 	return cnt_used_entries;
2978 }
2979 
2980 /* retrieve ethdev extended statistics names */
2981 int
2982 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2983 	struct rte_eth_xstat_name *xstats_names, unsigned int size,
2984 	uint64_t *ids)
2985 {
2986 	struct rte_eth_xstat_name *xstats_names_copy;
2987 	unsigned int no_basic_stat_requested = 1;
2988 	unsigned int no_ext_stat_requested = 1;
2989 	unsigned int expected_entries;
2990 	unsigned int basic_count;
2991 	struct rte_eth_dev *dev;
2992 	unsigned int i;
2993 	int ret;
2994 
2995 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2996 	dev = &rte_eth_devices[port_id];
2997 
2998 	basic_count = eth_dev_get_xstats_basic_count(dev);
2999 	ret = eth_dev_get_xstats_count(port_id);
3000 	if (ret < 0)
3001 		return ret;
3002 	expected_entries = (unsigned int)ret;
3003 
3004 	/* Return max number of stats if no ids given */
3005 	if (!ids) {
3006 		if (!xstats_names)
3007 			return expected_entries;
3008 		else if (xstats_names && size < expected_entries)
3009 			return expected_entries;
3010 	}
3011 
3012 	if (ids && !xstats_names)
3013 		return -EINVAL;
3014 
3015 	if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
3016 		uint64_t ids_copy[size];
3017 
3018 		for (i = 0; i < size; i++) {
3019 			if (ids[i] < basic_count) {
3020 				no_basic_stat_requested = 0;
3021 				break;
3022 			}
3023 
3024 			/*
3025 			 * Convert ids to xstats ids that PMD knows.
3026 			 * ids known by user are basic + extended stats.
3027 			 */
3028 			ids_copy[i] = ids[i] - basic_count;
3029 		}
3030 
3031 		if (no_basic_stat_requested)
3032 			return (*dev->dev_ops->xstats_get_names_by_id)(dev,
3033 					xstats_names, ids_copy, size);
3034 	}
3035 
3036 	/* Retrieve all stats */
3037 	if (!ids) {
3038 		int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
3039 				expected_entries);
3040 		if (num_stats < 0 || num_stats > (int)expected_entries)
3041 			return num_stats;
3042 		else
3043 			return expected_entries;
3044 	}
3045 
3046 	xstats_names_copy = calloc(expected_entries,
3047 		sizeof(struct rte_eth_xstat_name));
3048 
3049 	if (!xstats_names_copy) {
3050 		RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
3051 		return -ENOMEM;
3052 	}
3053 
3054 	if (ids) {
3055 		for (i = 0; i < size; i++) {
3056 			if (ids[i] >= basic_count) {
3057 				no_ext_stat_requested = 0;
3058 				break;
3059 			}
3060 		}
3061 	}
3062 
3063 	/* Fill xstats_names_copy structure */
3064 	if (ids && no_ext_stat_requested) {
3065 		eth_basic_stats_get_names(dev, xstats_names_copy);
3066 	} else {
3067 		ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
3068 			expected_entries);
3069 		if (ret < 0) {
3070 			free(xstats_names_copy);
3071 			return ret;
3072 		}
3073 	}
3074 
3075 	/* Filter stats */
3076 	for (i = 0; i < size; i++) {
3077 		if (ids[i] >= expected_entries) {
3078 			RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3079 			free(xstats_names_copy);
3080 			return -1;
3081 		}
3082 		xstats_names[i] = xstats_names_copy[ids[i]];
3083 	}
3084 
3085 	free(xstats_names_copy);
3086 	return size;
3087 }
3088 
3089 int
3090 rte_eth_xstats_get_names(uint16_t port_id,
3091 	struct rte_eth_xstat_name *xstats_names,
3092 	unsigned int size)
3093 {
3094 	struct rte_eth_dev *dev;
3095 	int cnt_used_entries;
3096 	int cnt_expected_entries;
3097 	int cnt_driver_entries;
3098 
3099 	cnt_expected_entries = eth_dev_get_xstats_count(port_id);
3100 	if (xstats_names == NULL || cnt_expected_entries < 0 ||
3101 			(int)size < cnt_expected_entries)
3102 		return cnt_expected_entries;
3103 
3104 	/* port_id checked in eth_dev_get_xstats_count() */
3105 	dev = &rte_eth_devices[port_id];
3106 
3107 	cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);
3108 
3109 	if (dev->dev_ops->xstats_get_names != NULL) {
3110 		/* If there are any driver-specific xstats, append them
3111 		 * to end of list.
3112 		 */
3113 		cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
3114 			dev,
3115 			xstats_names + cnt_used_entries,
3116 			size - cnt_used_entries);
3117 		if (cnt_driver_entries < 0)
3118 			return eth_err(port_id, cnt_driver_entries);
3119 		cnt_used_entries += cnt_driver_entries;
3120 	}
3121 
3122 	return cnt_used_entries;
3123 }
3124 
3125 
3126 static int
3127 eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
3128 {
3129 	struct rte_eth_dev *dev;
3130 	struct rte_eth_stats eth_stats;
3131 	unsigned int count = 0, i, q;
3132 	uint64_t val, *stats_ptr;
3133 	uint16_t nb_rxqs, nb_txqs;
3134 	int ret;
3135 
3136 	ret = rte_eth_stats_get(port_id, &eth_stats);
3137 	if (ret < 0)
3138 		return ret;
3139 
3140 	dev = &rte_eth_devices[port_id];
3141 
3142 	nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3143 	nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3144 
3145 	/* global stats */
3146 	for (i = 0; i < RTE_NB_STATS; i++) {
3147 		stats_ptr = RTE_PTR_ADD(&eth_stats,
3148 					eth_dev_stats_strings[i].offset);
3149 		val = *stats_ptr;
3150 		xstats[count++].value = val;
3151 	}
3152 
3153 	if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
3154 		return count;
3155 
3156 	/* per-rxq stats */
3157 	for (q = 0; q < nb_rxqs; q++) {
3158 		for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
3159 			stats_ptr = RTE_PTR_ADD(&eth_stats,
3160 					eth_dev_rxq_stats_strings[i].offset +
3161 					q * sizeof(uint64_t));
3162 			val = *stats_ptr;
3163 			xstats[count++].value = val;
3164 		}
3165 	}
3166 
3167 	/* per-txq stats */
3168 	for (q = 0; q < nb_txqs; q++) {
3169 		for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
3170 			stats_ptr = RTE_PTR_ADD(&eth_stats,
3171 					eth_dev_txq_stats_strings[i].offset +
3172 					q * sizeof(uint64_t));
3173 			val = *stats_ptr;
3174 			xstats[count++].value = val;
3175 		}
3176 	}
3177 	return count;
3178 }
3179 
3180 /* retrieve ethdev extended statistics */
3181 int
3182 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
3183 			 uint64_t *values, unsigned int size)
3184 {
3185 	unsigned int no_basic_stat_requested = 1;
3186 	unsigned int no_ext_stat_requested = 1;
3187 	unsigned int num_xstats_filled;
3188 	unsigned int basic_count;
3189 	uint16_t expected_entries;
3190 	struct rte_eth_dev *dev;
3191 	unsigned int i;
3192 	int ret;
3193 
3194 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3195 	dev = &rte_eth_devices[port_id];
3196 
3197 	ret = eth_dev_get_xstats_count(port_id);
3198 	if (ret < 0)
3199 		return ret;
3200 	expected_entries = (uint16_t)ret;
3201 	struct rte_eth_xstat xstats[expected_entries];
3202 	basic_count = eth_dev_get_xstats_basic_count(dev);
3203 
3204 	/* Return max number of stats if no ids given */
3205 	if (!ids) {
3206 		if (!values)
3207 			return expected_entries;
3208 		else if (values && size < expected_entries)
3209 			return expected_entries;
3210 	}
3211 
3212 	if (ids && !values)
3213 		return -EINVAL;
3214 
3215 	if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
3216 		unsigned int basic_count = eth_dev_get_xstats_basic_count(dev);
3217 		uint64_t ids_copy[size];
3218 
3219 		for (i = 0; i < size; i++) {
3220 			if (ids[i] < basic_count) {
3221 				no_basic_stat_requested = 0;
3222 				break;
3223 			}
3224 
3225 			/*
3226 			 * Convert ids to xstats ids that PMD knows.
3227 			 * ids known by user are basic + extended stats.
3228 			 */
3229 			ids_copy[i] = ids[i] - basic_count;
3230 		}
3231 
3232 		if (no_basic_stat_requested)
3233 			return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
3234 					values, size);
3235 	}
3236 
3237 	if (ids) {
3238 		for (i = 0; i < size; i++) {
3239 			if (ids[i] >= basic_count) {
3240 				no_ext_stat_requested = 0;
3241 				break;
3242 			}
3243 		}
3244 	}
3245 
3246 	/* Fill the xstats structure */
3247 	if (ids && no_ext_stat_requested)
3248 		ret = eth_basic_stats_get(port_id, xstats);
3249 	else
3250 		ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
3251 
3252 	if (ret < 0)
3253 		return ret;
3254 	num_xstats_filled = (unsigned int)ret;
3255 
3256 	/* Return all stats */
3257 	if (!ids) {
3258 		for (i = 0; i < num_xstats_filled; i++)
3259 			values[i] = xstats[i].value;
3260 		return expected_entries;
3261 	}
3262 
3263 	/* Filter stats */
3264 	for (i = 0; i < size; i++) {
3265 		if (ids[i] >= expected_entries) {
3266 			RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3267 			return -1;
3268 		}
3269 		values[i] = xstats[ids[i]].value;
3270 	}
3271 	return size;
3272 }
3273 
3274 int
3275 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
3276 	unsigned int n)
3277 {
3278 	struct rte_eth_dev *dev;
3279 	unsigned int count = 0, i;
3280 	signed int xcount = 0;
3281 	uint16_t nb_rxqs, nb_txqs;
3282 	int ret;
3283 
3284 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3285 	dev = &rte_eth_devices[port_id];
3286 
3287 	nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3288 	nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3289 
3290 	/* Return generic statistics */
3291 	count = RTE_NB_STATS;
3292 	if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
3293 		count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
3294 
3295 	/* implemented by the driver */
3296 	if (dev->dev_ops->xstats_get != NULL) {
3297 		/* Retrieve the xstats from the driver at the end of the
3298 		 * xstats struct.
3299 		 */
3300 		xcount = (*dev->dev_ops->xstats_get)(dev,
3301 				     xstats ? xstats + count : NULL,
3302 				     (n > count) ? n - count : 0);
3303 
3304 		if (xcount < 0)
3305 			return eth_err(port_id, xcount);
3306 	}
3307 
3308 	if (n < count + xcount || xstats == NULL)
3309 		return count + xcount;
3310 
3311 	/* now fill the xstats structure */
3312 	ret = eth_basic_stats_get(port_id, xstats);
3313 	if (ret < 0)
3314 		return ret;
3315 	count = ret;
3316 
3317 	for (i = 0; i < count; i++)
3318 		xstats[i].id = i;
3319 	/* add an offset to driver-specific stats */
3320 	for ( ; i < count + xcount; i++)
3321 		xstats[i].id += count;
3322 
3323 	return count + xcount;
3324 }
3325 
3326 /* reset ethdev extended statistics */
3327 int
3328 rte_eth_xstats_reset(uint16_t port_id)
3329 {
3330 	struct rte_eth_dev *dev;
3331 
3332 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3333 	dev = &rte_eth_devices[port_id];
3334 
3335 	/* implemented by the driver */
3336 	if (dev->dev_ops->xstats_reset != NULL)
3337 		return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
3338 
3339 	/* fallback to default */
3340 	return rte_eth_stats_reset(port_id);
3341 }
3342 
3343 static int
3344 eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
3345 		uint8_t stat_idx, uint8_t is_rx)
3346 {
3347 	struct rte_eth_dev *dev;
3348 
3349 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3350 	dev = &rte_eth_devices[port_id];
3351 
3352 	if (is_rx && (queue_id >= dev->data->nb_rx_queues))
3353 		return -EINVAL;
3354 
3355 	if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
3356 		return -EINVAL;
3357 
3358 	if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
3359 		return -EINVAL;
3360 
3361 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
3362 	return (*dev->dev_ops->queue_stats_mapping_set) (dev, queue_id, stat_idx, is_rx);
3363 }
3364 
3365 int
3366 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3367 		uint8_t stat_idx)
3368 {
3369 	return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3370 						tx_queue_id,
3371 						stat_idx, STAT_QMAP_TX));
3372 }
3373 
3374 int
3375 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3376 		uint8_t stat_idx)
3377 {
3378 	return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3379 						rx_queue_id,
3380 						stat_idx, STAT_QMAP_RX));
3381 }
3382 
3383 int
3384 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3385 {
3386 	struct rte_eth_dev *dev;
3387 
3388 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3389 	dev = &rte_eth_devices[port_id];
3390 
3391 	if (fw_version == NULL && fw_size > 0) {
3392 		RTE_ETHDEV_LOG(ERR,
3393 			"Cannot get ethdev port %u FW version to NULL when string size is non zero\n",
3394 			port_id);
3395 		return -EINVAL;
3396 	}
3397 
3398 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3399 	return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3400 							fw_version, fw_size));
3401 }
3402 
3403 int
3404 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3405 {
3406 	struct rte_eth_dev *dev;
3407 	const struct rte_eth_desc_lim lim = {
3408 		.nb_max = UINT16_MAX,
3409 		.nb_min = 0,
3410 		.nb_align = 1,
3411 		.nb_seg_max = UINT16_MAX,
3412 		.nb_mtu_seg_max = UINT16_MAX,
3413 	};
3414 	int diag;
3415 
3416 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3417 	dev = &rte_eth_devices[port_id];
3418 
3419 	if (dev_info == NULL) {
3420 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u info to NULL\n",
3421 			port_id);
3422 		return -EINVAL;
3423 	}
3424 
3425 	/*
3426 	 * Init dev_info before port_id check since caller does not have
3427 	 * return status and does not know if get is successful or not.
3428 	 */
3429 	memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3430 	dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3431 
3432 	dev_info->rx_desc_lim = lim;
3433 	dev_info->tx_desc_lim = lim;
3434 	dev_info->device = dev->device;
3435 	dev_info->min_mtu = RTE_ETHER_MIN_MTU;
3436 	dev_info->max_mtu = UINT16_MAX;
3437 
3438 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3439 	diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3440 	if (diag != 0) {
3441 		/* Cleanup already filled in device information */
3442 		memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3443 		return eth_err(port_id, diag);
3444 	}
3445 
3446 	/* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3447 	dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3448 			RTE_MAX_QUEUES_PER_PORT);
3449 	dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3450 			RTE_MAX_QUEUES_PER_PORT);
3451 
3452 	dev_info->driver_name = dev->device->driver->name;
3453 	dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3454 	dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3455 
3456 	dev_info->dev_flags = &dev->data->dev_flags;
3457 
3458 	return 0;
3459 }
3460 
3461 int
3462 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3463 				 uint32_t *ptypes, int num)
3464 {
3465 	int i, j;
3466 	struct rte_eth_dev *dev;
3467 	const uint32_t *all_ptypes;
3468 
3469 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3470 	dev = &rte_eth_devices[port_id];
3471 
3472 	if (ptypes == NULL && num > 0) {
3473 		RTE_ETHDEV_LOG(ERR,
3474 			"Cannot get ethdev port %u supported packet types to NULL when array size is non zero\n",
3475 			port_id);
3476 		return -EINVAL;
3477 	}
3478 
3479 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3480 	all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3481 
3482 	if (!all_ptypes)
3483 		return 0;
3484 
3485 	for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3486 		if (all_ptypes[i] & ptype_mask) {
3487 			if (j < num)
3488 				ptypes[j] = all_ptypes[i];
3489 			j++;
3490 		}
3491 
3492 	return j;
3493 }
3494 
3495 int
3496 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3497 				 uint32_t *set_ptypes, unsigned int num)
3498 {
3499 	const uint32_t valid_ptype_masks[] = {
3500 		RTE_PTYPE_L2_MASK,
3501 		RTE_PTYPE_L3_MASK,
3502 		RTE_PTYPE_L4_MASK,
3503 		RTE_PTYPE_TUNNEL_MASK,
3504 		RTE_PTYPE_INNER_L2_MASK,
3505 		RTE_PTYPE_INNER_L3_MASK,
3506 		RTE_PTYPE_INNER_L4_MASK,
3507 	};
3508 	const uint32_t *all_ptypes;
3509 	struct rte_eth_dev *dev;
3510 	uint32_t unused_mask;
3511 	unsigned int i, j;
3512 	int ret;
3513 
3514 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3515 	dev = &rte_eth_devices[port_id];
3516 
3517 	if (num > 0 && set_ptypes == NULL) {
3518 		RTE_ETHDEV_LOG(ERR,
3519 			"Cannot get ethdev port %u set packet types to NULL when array size is non zero\n",
3520 			port_id);
3521 		return -EINVAL;
3522 	}
3523 
3524 	if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3525 			*dev->dev_ops->dev_ptypes_set == NULL) {
3526 		ret = 0;
3527 		goto ptype_unknown;
3528 	}
3529 
3530 	if (ptype_mask == 0) {
3531 		ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3532 				ptype_mask);
3533 		goto ptype_unknown;
3534 	}
3535 
3536 	unused_mask = ptype_mask;
3537 	for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3538 		uint32_t mask = ptype_mask & valid_ptype_masks[i];
3539 		if (mask && mask != valid_ptype_masks[i]) {
3540 			ret = -EINVAL;
3541 			goto ptype_unknown;
3542 		}
3543 		unused_mask &= ~valid_ptype_masks[i];
3544 	}
3545 
3546 	if (unused_mask) {
3547 		ret = -EINVAL;
3548 		goto ptype_unknown;
3549 	}
3550 
3551 	all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3552 	if (all_ptypes == NULL) {
3553 		ret = 0;
3554 		goto ptype_unknown;
3555 	}
3556 
3557 	/*
3558 	 * Accommodate as many set_ptypes as possible. If the supplied
3559 	 * set_ptypes array is insufficient fill it partially.
3560 	 */
3561 	for (i = 0, j = 0; set_ptypes != NULL &&
3562 				(all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3563 		if (ptype_mask & all_ptypes[i]) {
3564 			if (j < num - 1) {
3565 				set_ptypes[j] = all_ptypes[i];
3566 				j++;
3567 				continue;
3568 			}
3569 			break;
3570 		}
3571 	}
3572 
3573 	if (set_ptypes != NULL && j < num)
3574 		set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3575 
3576 	return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3577 
3578 ptype_unknown:
3579 	if (num > 0)
3580 		set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3581 
3582 	return ret;
3583 }
3584 
3585 int
3586 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3587 {
3588 	struct rte_eth_dev *dev;
3589 
3590 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3591 	dev = &rte_eth_devices[port_id];
3592 
3593 	if (mac_addr == NULL) {
3594 		RTE_ETHDEV_LOG(ERR,
3595 			"Cannot get ethdev port %u MAC address to NULL\n",
3596 			port_id);
3597 		return -EINVAL;
3598 	}
3599 
3600 	rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3601 
3602 	return 0;
3603 }
3604 
3605 int
3606 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3607 {
3608 	struct rte_eth_dev *dev;
3609 
3610 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3611 	dev = &rte_eth_devices[port_id];
3612 
3613 	if (mtu == NULL) {
3614 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u MTU to NULL\n",
3615 			port_id);
3616 		return -EINVAL;
3617 	}
3618 
3619 	*mtu = dev->data->mtu;
3620 	return 0;
3621 }
3622 
3623 int
3624 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3625 {
3626 	int ret;
3627 	struct rte_eth_dev_info dev_info;
3628 	struct rte_eth_dev *dev;
3629 
3630 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3631 	dev = &rte_eth_devices[port_id];
3632 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3633 
3634 	/*
3635 	 * Check if the device supports dev_infos_get, if it does not
3636 	 * skip min_mtu/max_mtu validation here as this requires values
3637 	 * that are populated within the call to rte_eth_dev_info_get()
3638 	 * which relies on dev->dev_ops->dev_infos_get.
3639 	 */
3640 	if (*dev->dev_ops->dev_infos_get != NULL) {
3641 		ret = rte_eth_dev_info_get(port_id, &dev_info);
3642 		if (ret != 0)
3643 			return ret;
3644 
3645 		if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3646 			return -EINVAL;
3647 	}
3648 
3649 	ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3650 	if (!ret)
3651 		dev->data->mtu = mtu;
3652 
3653 	return eth_err(port_id, ret);
3654 }
3655 
3656 int
3657 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3658 {
3659 	struct rte_eth_dev *dev;
3660 	int ret;
3661 
3662 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3663 	dev = &rte_eth_devices[port_id];
3664 
3665 	if (!(dev->data->dev_conf.rxmode.offloads &
3666 	      DEV_RX_OFFLOAD_VLAN_FILTER)) {
3667 		RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3668 			port_id);
3669 		return -ENOSYS;
3670 	}
3671 
3672 	if (vlan_id > 4095) {
3673 		RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3674 			port_id, vlan_id);
3675 		return -EINVAL;
3676 	}
3677 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3678 
3679 	ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3680 	if (ret == 0) {
3681 		struct rte_vlan_filter_conf *vfc;
3682 		int vidx;
3683 		int vbit;
3684 
3685 		vfc = &dev->data->vlan_filter_conf;
3686 		vidx = vlan_id / 64;
3687 		vbit = vlan_id % 64;
3688 
3689 		if (on)
3690 			vfc->ids[vidx] |= UINT64_C(1) << vbit;
3691 		else
3692 			vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3693 	}
3694 
3695 	return eth_err(port_id, ret);
3696 }
3697 
3698 int
3699 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3700 				    int on)
3701 {
3702 	struct rte_eth_dev *dev;
3703 
3704 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3705 	dev = &rte_eth_devices[port_id];
3706 
3707 	if (rx_queue_id >= dev->data->nb_rx_queues) {
3708 		RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3709 		return -EINVAL;
3710 	}
3711 
3712 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3713 	(*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3714 
3715 	return 0;
3716 }
3717 
3718 int
3719 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3720 				enum rte_vlan_type vlan_type,
3721 				uint16_t tpid)
3722 {
3723 	struct rte_eth_dev *dev;
3724 
3725 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3726 	dev = &rte_eth_devices[port_id];
3727 
3728 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3729 	return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3730 							       tpid));
3731 }
3732 
3733 int
3734 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3735 {
3736 	struct rte_eth_dev_info dev_info;
3737 	struct rte_eth_dev *dev;
3738 	int ret = 0;
3739 	int mask = 0;
3740 	int cur, org = 0;
3741 	uint64_t orig_offloads;
3742 	uint64_t dev_offloads;
3743 	uint64_t new_offloads;
3744 
3745 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3746 	dev = &rte_eth_devices[port_id];
3747 
3748 	/* save original values in case of failure */
3749 	orig_offloads = dev->data->dev_conf.rxmode.offloads;
3750 	dev_offloads = orig_offloads;
3751 
3752 	/* check which option changed by application */
3753 	cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3754 	org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3755 	if (cur != org) {
3756 		if (cur)
3757 			dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3758 		else
3759 			dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3760 		mask |= ETH_VLAN_STRIP_MASK;
3761 	}
3762 
3763 	cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3764 	org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3765 	if (cur != org) {
3766 		if (cur)
3767 			dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3768 		else
3769 			dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3770 		mask |= ETH_VLAN_FILTER_MASK;
3771 	}
3772 
3773 	cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3774 	org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3775 	if (cur != org) {
3776 		if (cur)
3777 			dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3778 		else
3779 			dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3780 		mask |= ETH_VLAN_EXTEND_MASK;
3781 	}
3782 
3783 	cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3784 	org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3785 	if (cur != org) {
3786 		if (cur)
3787 			dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3788 		else
3789 			dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3790 		mask |= ETH_QINQ_STRIP_MASK;
3791 	}
3792 
3793 	/*no change*/
3794 	if (mask == 0)
3795 		return ret;
3796 
3797 	ret = rte_eth_dev_info_get(port_id, &dev_info);
3798 	if (ret != 0)
3799 		return ret;
3800 
3801 	/* Rx VLAN offloading must be within its device capabilities */
3802 	if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3803 		new_offloads = dev_offloads & ~orig_offloads;
3804 		RTE_ETHDEV_LOG(ERR,
3805 			"Ethdev port_id=%u requested new added VLAN offloads "
3806 			"0x%" PRIx64 " must be within Rx offloads capabilities "
3807 			"0x%" PRIx64 " in %s()\n",
3808 			port_id, new_offloads, dev_info.rx_offload_capa,
3809 			__func__);
3810 		return -EINVAL;
3811 	}
3812 
3813 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3814 	dev->data->dev_conf.rxmode.offloads = dev_offloads;
3815 	ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3816 	if (ret) {
3817 		/* hit an error restore  original values */
3818 		dev->data->dev_conf.rxmode.offloads = orig_offloads;
3819 	}
3820 
3821 	return eth_err(port_id, ret);
3822 }
3823 
3824 int
3825 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3826 {
3827 	struct rte_eth_dev *dev;
3828 	uint64_t *dev_offloads;
3829 	int ret = 0;
3830 
3831 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3832 	dev = &rte_eth_devices[port_id];
3833 	dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3834 
3835 	if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3836 		ret |= ETH_VLAN_STRIP_OFFLOAD;
3837 
3838 	if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3839 		ret |= ETH_VLAN_FILTER_OFFLOAD;
3840 
3841 	if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3842 		ret |= ETH_VLAN_EXTEND_OFFLOAD;
3843 
3844 	if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3845 		ret |= ETH_QINQ_STRIP_OFFLOAD;
3846 
3847 	return ret;
3848 }
3849 
3850 int
3851 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3852 {
3853 	struct rte_eth_dev *dev;
3854 
3855 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3856 	dev = &rte_eth_devices[port_id];
3857 
3858 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3859 	return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3860 }
3861 
3862 int
3863 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3864 {
3865 	struct rte_eth_dev *dev;
3866 
3867 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3868 	dev = &rte_eth_devices[port_id];
3869 
3870 	if (fc_conf == NULL) {
3871 		RTE_ETHDEV_LOG(ERR,
3872 			"Cannot get ethdev port %u flow control config to NULL\n",
3873 			port_id);
3874 		return -EINVAL;
3875 	}
3876 
3877 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3878 	memset(fc_conf, 0, sizeof(*fc_conf));
3879 	return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3880 }
3881 
3882 int
3883 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3884 {
3885 	struct rte_eth_dev *dev;
3886 
3887 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3888 	dev = &rte_eth_devices[port_id];
3889 
3890 	if (fc_conf == NULL) {
3891 		RTE_ETHDEV_LOG(ERR,
3892 			"Cannot set ethdev port %u flow control from NULL config\n",
3893 			port_id);
3894 		return -EINVAL;
3895 	}
3896 
3897 	if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3898 		RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3899 		return -EINVAL;
3900 	}
3901 
3902 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3903 	return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3904 }
3905 
3906 int
3907 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3908 				   struct rte_eth_pfc_conf *pfc_conf)
3909 {
3910 	struct rte_eth_dev *dev;
3911 
3912 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3913 	dev = &rte_eth_devices[port_id];
3914 
3915 	if (pfc_conf == NULL) {
3916 		RTE_ETHDEV_LOG(ERR,
3917 			"Cannot set ethdev port %u priority flow control from NULL config\n",
3918 			port_id);
3919 		return -EINVAL;
3920 	}
3921 
3922 	if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3923 		RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3924 		return -EINVAL;
3925 	}
3926 
3927 	/* High water, low water validation are device specific */
3928 	if  (*dev->dev_ops->priority_flow_ctrl_set)
3929 		return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3930 					(dev, pfc_conf));
3931 	return -ENOTSUP;
3932 }
3933 
3934 static int
3935 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3936 			uint16_t reta_size)
3937 {
3938 	uint16_t i, num;
3939 
3940 	num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3941 	for (i = 0; i < num; i++) {
3942 		if (reta_conf[i].mask)
3943 			return 0;
3944 	}
3945 
3946 	return -EINVAL;
3947 }
3948 
3949 static int
3950 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3951 			 uint16_t reta_size,
3952 			 uint16_t max_rxq)
3953 {
3954 	uint16_t i, idx, shift;
3955 
3956 	if (max_rxq == 0) {
3957 		RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3958 		return -EINVAL;
3959 	}
3960 
3961 	for (i = 0; i < reta_size; i++) {
3962 		idx = i / RTE_RETA_GROUP_SIZE;
3963 		shift = i % RTE_RETA_GROUP_SIZE;
3964 		if ((reta_conf[idx].mask & (1ULL << shift)) &&
3965 			(reta_conf[idx].reta[shift] >= max_rxq)) {
3966 			RTE_ETHDEV_LOG(ERR,
3967 				"reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3968 				idx, shift,
3969 				reta_conf[idx].reta[shift], max_rxq);
3970 			return -EINVAL;
3971 		}
3972 	}
3973 
3974 	return 0;
3975 }
3976 
3977 int
3978 rte_eth_dev_rss_reta_update(uint16_t port_id,
3979 			    struct rte_eth_rss_reta_entry64 *reta_conf,
3980 			    uint16_t reta_size)
3981 {
3982 	struct rte_eth_dev *dev;
3983 	int ret;
3984 
3985 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3986 	dev = &rte_eth_devices[port_id];
3987 
3988 	if (reta_conf == NULL) {
3989 		RTE_ETHDEV_LOG(ERR,
3990 			"Cannot update ethdev port %u RSS RETA to NULL\n",
3991 			port_id);
3992 		return -EINVAL;
3993 	}
3994 
3995 	if (reta_size == 0) {
3996 		RTE_ETHDEV_LOG(ERR,
3997 			"Cannot update ethdev port %u RSS RETA with zero size\n",
3998 			port_id);
3999 		return -EINVAL;
4000 	}
4001 
4002 	/* Check mask bits */
4003 	ret = eth_check_reta_mask(reta_conf, reta_size);
4004 	if (ret < 0)
4005 		return ret;
4006 
4007 	/* Check entry value */
4008 	ret = eth_check_reta_entry(reta_conf, reta_size,
4009 				dev->data->nb_rx_queues);
4010 	if (ret < 0)
4011 		return ret;
4012 
4013 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
4014 	return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
4015 							     reta_size));
4016 }
4017 
4018 int
4019 rte_eth_dev_rss_reta_query(uint16_t port_id,
4020 			   struct rte_eth_rss_reta_entry64 *reta_conf,
4021 			   uint16_t reta_size)
4022 {
4023 	struct rte_eth_dev *dev;
4024 	int ret;
4025 
4026 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4027 	dev = &rte_eth_devices[port_id];
4028 
4029 	if (reta_conf == NULL) {
4030 		RTE_ETHDEV_LOG(ERR,
4031 			"Cannot query ethdev port %u RSS RETA from NULL config\n",
4032 			port_id);
4033 		return -EINVAL;
4034 	}
4035 
4036 	/* Check mask bits */
4037 	ret = eth_check_reta_mask(reta_conf, reta_size);
4038 	if (ret < 0)
4039 		return ret;
4040 
4041 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
4042 	return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
4043 							    reta_size));
4044 }
4045 
4046 int
4047 rte_eth_dev_rss_hash_update(uint16_t port_id,
4048 			    struct rte_eth_rss_conf *rss_conf)
4049 {
4050 	struct rte_eth_dev *dev;
4051 	struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4052 	int ret;
4053 
4054 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4055 	dev = &rte_eth_devices[port_id];
4056 
4057 	if (rss_conf == NULL) {
4058 		RTE_ETHDEV_LOG(ERR,
4059 			"Cannot update ethdev port %u RSS hash from NULL config\n",
4060 			port_id);
4061 		return -EINVAL;
4062 	}
4063 
4064 	ret = rte_eth_dev_info_get(port_id, &dev_info);
4065 	if (ret != 0)
4066 		return ret;
4067 
4068 	rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4069 	if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4070 	    dev_info.flow_type_rss_offloads) {
4071 		RTE_ETHDEV_LOG(ERR,
4072 			"Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4073 			port_id, rss_conf->rss_hf,
4074 			dev_info.flow_type_rss_offloads);
4075 		return -EINVAL;
4076 	}
4077 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4078 	return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4079 								 rss_conf));
4080 }
4081 
4082 int
4083 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4084 			      struct rte_eth_rss_conf *rss_conf)
4085 {
4086 	struct rte_eth_dev *dev;
4087 
4088 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4089 	dev = &rte_eth_devices[port_id];
4090 
4091 	if (rss_conf == NULL) {
4092 		RTE_ETHDEV_LOG(ERR,
4093 			"Cannot get ethdev port %u RSS hash config to NULL\n",
4094 			port_id);
4095 		return -EINVAL;
4096 	}
4097 
4098 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4099 	return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4100 								   rss_conf));
4101 }
4102 
4103 int
4104 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4105 				struct rte_eth_udp_tunnel *udp_tunnel)
4106 {
4107 	struct rte_eth_dev *dev;
4108 
4109 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4110 	dev = &rte_eth_devices[port_id];
4111 
4112 	if (udp_tunnel == NULL) {
4113 		RTE_ETHDEV_LOG(ERR,
4114 			"Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4115 			port_id);
4116 		return -EINVAL;
4117 	}
4118 
4119 	if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4120 		RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4121 		return -EINVAL;
4122 	}
4123 
4124 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4125 	return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4126 								udp_tunnel));
4127 }
4128 
4129 int
4130 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4131 				   struct rte_eth_udp_tunnel *udp_tunnel)
4132 {
4133 	struct rte_eth_dev *dev;
4134 
4135 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4136 	dev = &rte_eth_devices[port_id];
4137 
4138 	if (udp_tunnel == NULL) {
4139 		RTE_ETHDEV_LOG(ERR,
4140 			"Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4141 			port_id);
4142 		return -EINVAL;
4143 	}
4144 
4145 	if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4146 		RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4147 		return -EINVAL;
4148 	}
4149 
4150 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4151 	return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4152 								udp_tunnel));
4153 }
4154 
4155 int
4156 rte_eth_led_on(uint16_t port_id)
4157 {
4158 	struct rte_eth_dev *dev;
4159 
4160 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4161 	dev = &rte_eth_devices[port_id];
4162 
4163 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4164 	return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4165 }
4166 
4167 int
4168 rte_eth_led_off(uint16_t port_id)
4169 {
4170 	struct rte_eth_dev *dev;
4171 
4172 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4173 	dev = &rte_eth_devices[port_id];
4174 
4175 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4176 	return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4177 }
4178 
4179 int
4180 rte_eth_fec_get_capability(uint16_t port_id,
4181 			   struct rte_eth_fec_capa *speed_fec_capa,
4182 			   unsigned int num)
4183 {
4184 	struct rte_eth_dev *dev;
4185 	int ret;
4186 
4187 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4188 	dev = &rte_eth_devices[port_id];
4189 
4190 	if (speed_fec_capa == NULL && num > 0) {
4191 		RTE_ETHDEV_LOG(ERR,
4192 			"Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4193 			port_id);
4194 		return -EINVAL;
4195 	}
4196 
4197 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4198 	ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4199 
4200 	return ret;
4201 }
4202 
4203 int
4204 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4205 {
4206 	struct rte_eth_dev *dev;
4207 
4208 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4209 	dev = &rte_eth_devices[port_id];
4210 
4211 	if (fec_capa == NULL) {
4212 		RTE_ETHDEV_LOG(ERR,
4213 			"Cannot get ethdev port %u current FEC mode to NULL\n",
4214 			port_id);
4215 		return -EINVAL;
4216 	}
4217 
4218 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4219 	return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4220 }
4221 
4222 int
4223 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4224 {
4225 	struct rte_eth_dev *dev;
4226 
4227 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4228 	dev = &rte_eth_devices[port_id];
4229 
4230 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4231 	return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4232 }
4233 
4234 /*
4235  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4236  * an empty spot.
4237  */
4238 static int
4239 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4240 {
4241 	struct rte_eth_dev_info dev_info;
4242 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4243 	unsigned i;
4244 	int ret;
4245 
4246 	ret = rte_eth_dev_info_get(port_id, &dev_info);
4247 	if (ret != 0)
4248 		return -1;
4249 
4250 	for (i = 0; i < dev_info.max_mac_addrs; i++)
4251 		if (memcmp(addr, &dev->data->mac_addrs[i],
4252 				RTE_ETHER_ADDR_LEN) == 0)
4253 			return i;
4254 
4255 	return -1;
4256 }
4257 
4258 static const struct rte_ether_addr null_mac_addr;
4259 
4260 int
4261 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4262 			uint32_t pool)
4263 {
4264 	struct rte_eth_dev *dev;
4265 	int index;
4266 	uint64_t pool_mask;
4267 	int ret;
4268 
4269 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4270 	dev = &rte_eth_devices[port_id];
4271 
4272 	if (addr == NULL) {
4273 		RTE_ETHDEV_LOG(ERR,
4274 			"Cannot add ethdev port %u MAC address from NULL address\n",
4275 			port_id);
4276 		return -EINVAL;
4277 	}
4278 
4279 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4280 
4281 	if (rte_is_zero_ether_addr(addr)) {
4282 		RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4283 			port_id);
4284 		return -EINVAL;
4285 	}
4286 	if (pool >= ETH_64_POOLS) {
4287 		RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4288 		return -EINVAL;
4289 	}
4290 
4291 	index = eth_dev_get_mac_addr_index(port_id, addr);
4292 	if (index < 0) {
4293 		index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4294 		if (index < 0) {
4295 			RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4296 				port_id);
4297 			return -ENOSPC;
4298 		}
4299 	} else {
4300 		pool_mask = dev->data->mac_pool_sel[index];
4301 
4302 		/* Check if both MAC address and pool is already there, and do nothing */
4303 		if (pool_mask & (1ULL << pool))
4304 			return 0;
4305 	}
4306 
4307 	/* Update NIC */
4308 	ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4309 
4310 	if (ret == 0) {
4311 		/* Update address in NIC data structure */
4312 		rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4313 
4314 		/* Update pool bitmap in NIC data structure */
4315 		dev->data->mac_pool_sel[index] |= (1ULL << pool);
4316 	}
4317 
4318 	return eth_err(port_id, ret);
4319 }
4320 
4321 int
4322 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4323 {
4324 	struct rte_eth_dev *dev;
4325 	int index;
4326 
4327 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4328 	dev = &rte_eth_devices[port_id];
4329 
4330 	if (addr == NULL) {
4331 		RTE_ETHDEV_LOG(ERR,
4332 			"Cannot remove ethdev port %u MAC address from NULL address\n",
4333 			port_id);
4334 		return -EINVAL;
4335 	}
4336 
4337 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4338 
4339 	index = eth_dev_get_mac_addr_index(port_id, addr);
4340 	if (index == 0) {
4341 		RTE_ETHDEV_LOG(ERR,
4342 			"Port %u: Cannot remove default MAC address\n",
4343 			port_id);
4344 		return -EADDRINUSE;
4345 	} else if (index < 0)
4346 		return 0;  /* Do nothing if address wasn't found */
4347 
4348 	/* Update NIC */
4349 	(*dev->dev_ops->mac_addr_remove)(dev, index);
4350 
4351 	/* Update address in NIC data structure */
4352 	rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4353 
4354 	/* reset pool bitmap */
4355 	dev->data->mac_pool_sel[index] = 0;
4356 
4357 	return 0;
4358 }
4359 
4360 int
4361 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4362 {
4363 	struct rte_eth_dev *dev;
4364 	int ret;
4365 
4366 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4367 	dev = &rte_eth_devices[port_id];
4368 
4369 	if (addr == NULL) {
4370 		RTE_ETHDEV_LOG(ERR,
4371 			"Cannot set ethdev port %u default MAC address from NULL address\n",
4372 			port_id);
4373 		return -EINVAL;
4374 	}
4375 
4376 	if (!rte_is_valid_assigned_ether_addr(addr))
4377 		return -EINVAL;
4378 
4379 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4380 
4381 	ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4382 	if (ret < 0)
4383 		return ret;
4384 
4385 	/* Update default address in NIC data structure */
4386 	rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4387 
4388 	return 0;
4389 }
4390 
4391 
4392 /*
4393  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4394  * an empty spot.
4395  */
4396 static int
4397 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4398 		const struct rte_ether_addr *addr)
4399 {
4400 	struct rte_eth_dev_info dev_info;
4401 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4402 	unsigned i;
4403 	int ret;
4404 
4405 	ret = rte_eth_dev_info_get(port_id, &dev_info);
4406 	if (ret != 0)
4407 		return -1;
4408 
4409 	if (!dev->data->hash_mac_addrs)
4410 		return -1;
4411 
4412 	for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4413 		if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4414 			RTE_ETHER_ADDR_LEN) == 0)
4415 			return i;
4416 
4417 	return -1;
4418 }
4419 
4420 int
4421 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4422 				uint8_t on)
4423 {
4424 	int index;
4425 	int ret;
4426 	struct rte_eth_dev *dev;
4427 
4428 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4429 	dev = &rte_eth_devices[port_id];
4430 
4431 	if (addr == NULL) {
4432 		RTE_ETHDEV_LOG(ERR,
4433 			"Cannot set ethdev port %u unicast hash table from NULL address\n",
4434 			port_id);
4435 		return -EINVAL;
4436 	}
4437 
4438 	if (rte_is_zero_ether_addr(addr)) {
4439 		RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4440 			port_id);
4441 		return -EINVAL;
4442 	}
4443 
4444 	index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4445 	/* Check if it's already there, and do nothing */
4446 	if ((index >= 0) && on)
4447 		return 0;
4448 
4449 	if (index < 0) {
4450 		if (!on) {
4451 			RTE_ETHDEV_LOG(ERR,
4452 				"Port %u: the MAC address was not set in UTA\n",
4453 				port_id);
4454 			return -EINVAL;
4455 		}
4456 
4457 		index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4458 		if (index < 0) {
4459 			RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4460 				port_id);
4461 			return -ENOSPC;
4462 		}
4463 	}
4464 
4465 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4466 	ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4467 	if (ret == 0) {
4468 		/* Update address in NIC data structure */
4469 		if (on)
4470 			rte_ether_addr_copy(addr,
4471 					&dev->data->hash_mac_addrs[index]);
4472 		else
4473 			rte_ether_addr_copy(&null_mac_addr,
4474 					&dev->data->hash_mac_addrs[index]);
4475 	}
4476 
4477 	return eth_err(port_id, ret);
4478 }
4479 
4480 int
4481 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4482 {
4483 	struct rte_eth_dev *dev;
4484 
4485 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4486 	dev = &rte_eth_devices[port_id];
4487 
4488 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4489 	return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4490 								       on));
4491 }
4492 
4493 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4494 					uint16_t tx_rate)
4495 {
4496 	struct rte_eth_dev *dev;
4497 	struct rte_eth_dev_info dev_info;
4498 	struct rte_eth_link link;
4499 	int ret;
4500 
4501 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4502 	dev = &rte_eth_devices[port_id];
4503 
4504 	ret = rte_eth_dev_info_get(port_id, &dev_info);
4505 	if (ret != 0)
4506 		return ret;
4507 
4508 	link = dev->data->dev_link;
4509 
4510 	if (queue_idx > dev_info.max_tx_queues) {
4511 		RTE_ETHDEV_LOG(ERR,
4512 			"Set queue rate limit:port %u: invalid queue id=%u\n",
4513 			port_id, queue_idx);
4514 		return -EINVAL;
4515 	}
4516 
4517 	if (tx_rate > link.link_speed) {
4518 		RTE_ETHDEV_LOG(ERR,
4519 			"Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4520 			tx_rate, link.link_speed);
4521 		return -EINVAL;
4522 	}
4523 
4524 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4525 	return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4526 							queue_idx, tx_rate));
4527 }
4528 
4529 int
4530 rte_eth_mirror_rule_set(uint16_t port_id,
4531 			struct rte_eth_mirror_conf *mirror_conf,
4532 			uint8_t rule_id, uint8_t on)
4533 {
4534 	struct rte_eth_dev *dev;
4535 
4536 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4537 	dev = &rte_eth_devices[port_id];
4538 
4539 	if (mirror_conf == NULL) {
4540 		RTE_ETHDEV_LOG(ERR,
4541 			"Cannot set ethdev port %u mirror rule from NULL config\n",
4542 			port_id);
4543 		return -EINVAL;
4544 	}
4545 
4546 	if (mirror_conf->rule_type == 0) {
4547 		RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
4548 		return -EINVAL;
4549 	}
4550 
4551 	if (mirror_conf->dst_pool >= ETH_64_POOLS) {
4552 		RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
4553 			ETH_64_POOLS - 1);
4554 		return -EINVAL;
4555 	}
4556 
4557 	if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
4558 	     ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
4559 	    (mirror_conf->pool_mask == 0)) {
4560 		RTE_ETHDEV_LOG(ERR,
4561 			"Invalid mirror pool, pool mask can not be 0\n");
4562 		return -EINVAL;
4563 	}
4564 
4565 	if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
4566 	    mirror_conf->vlan.vlan_mask == 0) {
4567 		RTE_ETHDEV_LOG(ERR,
4568 			"Invalid vlan mask, vlan mask can not be 0\n");
4569 		return -EINVAL;
4570 	}
4571 
4572 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
4573 
4574 	return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
4575 						mirror_conf, rule_id, on));
4576 }
4577 
4578 int
4579 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
4580 {
4581 	struct rte_eth_dev *dev;
4582 
4583 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4584 	dev = &rte_eth_devices[port_id];
4585 
4586 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
4587 	return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev, rule_id));
4588 }
4589 
4590 RTE_INIT(eth_dev_init_cb_lists)
4591 {
4592 	uint16_t i;
4593 
4594 	for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4595 		TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4596 }
4597 
4598 int
4599 rte_eth_dev_callback_register(uint16_t port_id,
4600 			enum rte_eth_event_type event,
4601 			rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4602 {
4603 	struct rte_eth_dev *dev;
4604 	struct rte_eth_dev_callback *user_cb;
4605 	uint16_t next_port;
4606 	uint16_t last_port;
4607 
4608 	if (cb_fn == NULL) {
4609 		RTE_ETHDEV_LOG(ERR,
4610 			"Cannot register ethdev port %u callback from NULL\n",
4611 			port_id);
4612 		return -EINVAL;
4613 	}
4614 
4615 	if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4616 		RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4617 		return -EINVAL;
4618 	}
4619 
4620 	if (port_id == RTE_ETH_ALL) {
4621 		next_port = 0;
4622 		last_port = RTE_MAX_ETHPORTS - 1;
4623 	} else {
4624 		next_port = last_port = port_id;
4625 	}
4626 
4627 	rte_spinlock_lock(&eth_dev_cb_lock);
4628 
4629 	do {
4630 		dev = &rte_eth_devices[next_port];
4631 
4632 		TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4633 			if (user_cb->cb_fn == cb_fn &&
4634 				user_cb->cb_arg == cb_arg &&
4635 				user_cb->event == event) {
4636 				break;
4637 			}
4638 		}
4639 
4640 		/* create a new callback. */
4641 		if (user_cb == NULL) {
4642 			user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4643 				sizeof(struct rte_eth_dev_callback), 0);
4644 			if (user_cb != NULL) {
4645 				user_cb->cb_fn = cb_fn;
4646 				user_cb->cb_arg = cb_arg;
4647 				user_cb->event = event;
4648 				TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4649 						  user_cb, next);
4650 			} else {
4651 				rte_spinlock_unlock(&eth_dev_cb_lock);
4652 				rte_eth_dev_callback_unregister(port_id, event,
4653 								cb_fn, cb_arg);
4654 				return -ENOMEM;
4655 			}
4656 
4657 		}
4658 	} while (++next_port <= last_port);
4659 
4660 	rte_spinlock_unlock(&eth_dev_cb_lock);
4661 	return 0;
4662 }
4663 
4664 int
4665 rte_eth_dev_callback_unregister(uint16_t port_id,
4666 			enum rte_eth_event_type event,
4667 			rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4668 {
4669 	int ret;
4670 	struct rte_eth_dev *dev;
4671 	struct rte_eth_dev_callback *cb, *next;
4672 	uint16_t next_port;
4673 	uint16_t last_port;
4674 
4675 	if (cb_fn == NULL) {
4676 		RTE_ETHDEV_LOG(ERR,
4677 			"Cannot unregister ethdev port %u callback from NULL\n",
4678 			port_id);
4679 		return -EINVAL;
4680 	}
4681 
4682 	if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4683 		RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4684 		return -EINVAL;
4685 	}
4686 
4687 	if (port_id == RTE_ETH_ALL) {
4688 		next_port = 0;
4689 		last_port = RTE_MAX_ETHPORTS - 1;
4690 	} else {
4691 		next_port = last_port = port_id;
4692 	}
4693 
4694 	rte_spinlock_lock(&eth_dev_cb_lock);
4695 
4696 	do {
4697 		dev = &rte_eth_devices[next_port];
4698 		ret = 0;
4699 		for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4700 		     cb = next) {
4701 
4702 			next = TAILQ_NEXT(cb, next);
4703 
4704 			if (cb->cb_fn != cb_fn || cb->event != event ||
4705 			    (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4706 				continue;
4707 
4708 			/*
4709 			 * if this callback is not executing right now,
4710 			 * then remove it.
4711 			 */
4712 			if (cb->active == 0) {
4713 				TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4714 				rte_free(cb);
4715 			} else {
4716 				ret = -EAGAIN;
4717 			}
4718 		}
4719 	} while (++next_port <= last_port);
4720 
4721 	rte_spinlock_unlock(&eth_dev_cb_lock);
4722 	return ret;
4723 }
4724 
4725 int
4726 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4727 	enum rte_eth_event_type event, void *ret_param)
4728 {
4729 	struct rte_eth_dev_callback *cb_lst;
4730 	struct rte_eth_dev_callback dev_cb;
4731 	int rc = 0;
4732 
4733 	rte_spinlock_lock(&eth_dev_cb_lock);
4734 	TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4735 		if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4736 			continue;
4737 		dev_cb = *cb_lst;
4738 		cb_lst->active = 1;
4739 		if (ret_param != NULL)
4740 			dev_cb.ret_param = ret_param;
4741 
4742 		rte_spinlock_unlock(&eth_dev_cb_lock);
4743 		rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4744 				dev_cb.cb_arg, dev_cb.ret_param);
4745 		rte_spinlock_lock(&eth_dev_cb_lock);
4746 		cb_lst->active = 0;
4747 	}
4748 	rte_spinlock_unlock(&eth_dev_cb_lock);
4749 	return rc;
4750 }
4751 
4752 void
4753 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4754 {
4755 	if (dev == NULL)
4756 		return;
4757 
4758 	rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4759 
4760 	dev->state = RTE_ETH_DEV_ATTACHED;
4761 }
4762 
4763 int
4764 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4765 {
4766 	uint32_t vec;
4767 	struct rte_eth_dev *dev;
4768 	struct rte_intr_handle *intr_handle;
4769 	uint16_t qid;
4770 	int rc;
4771 
4772 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4773 	dev = &rte_eth_devices[port_id];
4774 
4775 	if (!dev->intr_handle) {
4776 		RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4777 		return -ENOTSUP;
4778 	}
4779 
4780 	intr_handle = dev->intr_handle;
4781 	if (!intr_handle->intr_vec) {
4782 		RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4783 		return -EPERM;
4784 	}
4785 
4786 	for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4787 		vec = intr_handle->intr_vec[qid];
4788 		rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4789 		if (rc && rc != -EEXIST) {
4790 			RTE_ETHDEV_LOG(ERR,
4791 				"p %u q %u rx ctl error op %d epfd %d vec %u\n",
4792 				port_id, qid, op, epfd, vec);
4793 		}
4794 	}
4795 
4796 	return 0;
4797 }
4798 
4799 int
4800 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4801 {
4802 	struct rte_intr_handle *intr_handle;
4803 	struct rte_eth_dev *dev;
4804 	unsigned int efd_idx;
4805 	uint32_t vec;
4806 	int fd;
4807 
4808 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4809 	dev = &rte_eth_devices[port_id];
4810 
4811 	if (queue_id >= dev->data->nb_rx_queues) {
4812 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4813 		return -1;
4814 	}
4815 
4816 	if (!dev->intr_handle) {
4817 		RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4818 		return -1;
4819 	}
4820 
4821 	intr_handle = dev->intr_handle;
4822 	if (!intr_handle->intr_vec) {
4823 		RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4824 		return -1;
4825 	}
4826 
4827 	vec = intr_handle->intr_vec[queue_id];
4828 	efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4829 		(vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4830 	fd = intr_handle->efds[efd_idx];
4831 
4832 	return fd;
4833 }
4834 
4835 static inline int
4836 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4837 		const char *ring_name)
4838 {
4839 	return snprintf(name, len, "eth_p%d_q%d_%s",
4840 			port_id, queue_id, ring_name);
4841 }
4842 
4843 const struct rte_memzone *
4844 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4845 			 uint16_t queue_id, size_t size, unsigned align,
4846 			 int socket_id)
4847 {
4848 	char z_name[RTE_MEMZONE_NAMESIZE];
4849 	const struct rte_memzone *mz;
4850 	int rc;
4851 
4852 	rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4853 			queue_id, ring_name);
4854 	if (rc >= RTE_MEMZONE_NAMESIZE) {
4855 		RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4856 		rte_errno = ENAMETOOLONG;
4857 		return NULL;
4858 	}
4859 
4860 	mz = rte_memzone_lookup(z_name);
4861 	if (mz) {
4862 		if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4863 				size > mz->len ||
4864 				((uintptr_t)mz->addr & (align - 1)) != 0) {
4865 			RTE_ETHDEV_LOG(ERR,
4866 				"memzone %s does not justify the requested attributes\n",
4867 				mz->name);
4868 			return NULL;
4869 		}
4870 
4871 		return mz;
4872 	}
4873 
4874 	return rte_memzone_reserve_aligned(z_name, size, socket_id,
4875 			RTE_MEMZONE_IOVA_CONTIG, align);
4876 }
4877 
4878 int
4879 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4880 		uint16_t queue_id)
4881 {
4882 	char z_name[RTE_MEMZONE_NAMESIZE];
4883 	const struct rte_memzone *mz;
4884 	int rc = 0;
4885 
4886 	rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4887 			queue_id, ring_name);
4888 	if (rc >= RTE_MEMZONE_NAMESIZE) {
4889 		RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4890 		return -ENAMETOOLONG;
4891 	}
4892 
4893 	mz = rte_memzone_lookup(z_name);
4894 	if (mz)
4895 		rc = rte_memzone_free(mz);
4896 	else
4897 		rc = -ENOENT;
4898 
4899 	return rc;
4900 }
4901 
4902 int
4903 rte_eth_dev_create(struct rte_device *device, const char *name,
4904 	size_t priv_data_size,
4905 	ethdev_bus_specific_init ethdev_bus_specific_init,
4906 	void *bus_init_params,
4907 	ethdev_init_t ethdev_init, void *init_params)
4908 {
4909 	struct rte_eth_dev *ethdev;
4910 	int retval;
4911 
4912 	RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4913 
4914 	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4915 		ethdev = rte_eth_dev_allocate(name);
4916 		if (!ethdev)
4917 			return -ENODEV;
4918 
4919 		if (priv_data_size) {
4920 			ethdev->data->dev_private = rte_zmalloc_socket(
4921 				name, priv_data_size, RTE_CACHE_LINE_SIZE,
4922 				device->numa_node);
4923 
4924 			if (!ethdev->data->dev_private) {
4925 				RTE_ETHDEV_LOG(ERR,
4926 					"failed to allocate private data\n");
4927 				retval = -ENOMEM;
4928 				goto probe_failed;
4929 			}
4930 		}
4931 	} else {
4932 		ethdev = rte_eth_dev_attach_secondary(name);
4933 		if (!ethdev) {
4934 			RTE_ETHDEV_LOG(ERR,
4935 				"secondary process attach failed, ethdev doesn't exist\n");
4936 			return  -ENODEV;
4937 		}
4938 	}
4939 
4940 	ethdev->device = device;
4941 
4942 	if (ethdev_bus_specific_init) {
4943 		retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4944 		if (retval) {
4945 			RTE_ETHDEV_LOG(ERR,
4946 				"ethdev bus specific initialisation failed\n");
4947 			goto probe_failed;
4948 		}
4949 	}
4950 
4951 	retval = ethdev_init(ethdev, init_params);
4952 	if (retval) {
4953 		RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4954 		goto probe_failed;
4955 	}
4956 
4957 	rte_eth_dev_probing_finish(ethdev);
4958 
4959 	return retval;
4960 
4961 probe_failed:
4962 	rte_eth_dev_release_port(ethdev);
4963 	return retval;
4964 }
4965 
4966 int
4967 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4968 	ethdev_uninit_t ethdev_uninit)
4969 {
4970 	int ret;
4971 
4972 	ethdev = rte_eth_dev_allocated(ethdev->data->name);
4973 	if (!ethdev)
4974 		return -ENODEV;
4975 
4976 	RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4977 
4978 	ret = ethdev_uninit(ethdev);
4979 	if (ret)
4980 		return ret;
4981 
4982 	return rte_eth_dev_release_port(ethdev);
4983 }
4984 
4985 int
4986 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4987 			  int epfd, int op, void *data)
4988 {
4989 	uint32_t vec;
4990 	struct rte_eth_dev *dev;
4991 	struct rte_intr_handle *intr_handle;
4992 	int rc;
4993 
4994 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4995 	dev = &rte_eth_devices[port_id];
4996 
4997 	if (queue_id >= dev->data->nb_rx_queues) {
4998 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4999 		return -EINVAL;
5000 	}
5001 
5002 	if (!dev->intr_handle) {
5003 		RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
5004 		return -ENOTSUP;
5005 	}
5006 
5007 	intr_handle = dev->intr_handle;
5008 	if (!intr_handle->intr_vec) {
5009 		RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
5010 		return -EPERM;
5011 	}
5012 
5013 	vec = intr_handle->intr_vec[queue_id];
5014 	rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
5015 	if (rc && rc != -EEXIST) {
5016 		RTE_ETHDEV_LOG(ERR,
5017 			"p %u q %u rx ctl error op %d epfd %d vec %u\n",
5018 			port_id, queue_id, op, epfd, vec);
5019 		return rc;
5020 	}
5021 
5022 	return 0;
5023 }
5024 
5025 int
5026 rte_eth_dev_rx_intr_enable(uint16_t port_id,
5027 			   uint16_t queue_id)
5028 {
5029 	struct rte_eth_dev *dev;
5030 	int ret;
5031 
5032 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5033 	dev = &rte_eth_devices[port_id];
5034 
5035 	ret = eth_dev_validate_rx_queue(dev, queue_id);
5036 	if (ret != 0)
5037 		return ret;
5038 
5039 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
5040 	return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
5041 }
5042 
5043 int
5044 rte_eth_dev_rx_intr_disable(uint16_t port_id,
5045 			    uint16_t queue_id)
5046 {
5047 	struct rte_eth_dev *dev;
5048 	int ret;
5049 
5050 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5051 	dev = &rte_eth_devices[port_id];
5052 
5053 	ret = eth_dev_validate_rx_queue(dev, queue_id);
5054 	if (ret != 0)
5055 		return ret;
5056 
5057 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
5058 	return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
5059 }
5060 
5061 
5062 const struct rte_eth_rxtx_callback *
5063 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
5064 		rte_rx_callback_fn fn, void *user_param)
5065 {
5066 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5067 	rte_errno = ENOTSUP;
5068 	return NULL;
5069 #endif
5070 	struct rte_eth_dev *dev;
5071 
5072 	/* check input parameters */
5073 	if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5074 		    queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5075 		rte_errno = EINVAL;
5076 		return NULL;
5077 	}
5078 	dev = &rte_eth_devices[port_id];
5079 	if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5080 		rte_errno = EINVAL;
5081 		return NULL;
5082 	}
5083 	struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5084 
5085 	if (cb == NULL) {
5086 		rte_errno = ENOMEM;
5087 		return NULL;
5088 	}
5089 
5090 	cb->fn.rx = fn;
5091 	cb->param = user_param;
5092 
5093 	rte_spinlock_lock(&eth_dev_rx_cb_lock);
5094 	/* Add the callbacks in fifo order. */
5095 	struct rte_eth_rxtx_callback *tail =
5096 		rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5097 
5098 	if (!tail) {
5099 		/* Stores to cb->fn and cb->param should complete before
5100 		 * cb is visible to data plane.
5101 		 */
5102 		__atomic_store_n(
5103 			&rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5104 			cb, __ATOMIC_RELEASE);
5105 
5106 	} else {
5107 		while (tail->next)
5108 			tail = tail->next;
5109 		/* Stores to cb->fn and cb->param should complete before
5110 		 * cb is visible to data plane.
5111 		 */
5112 		__atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5113 	}
5114 	rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5115 
5116 	return cb;
5117 }
5118 
5119 const struct rte_eth_rxtx_callback *
5120 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5121 		rte_rx_callback_fn fn, void *user_param)
5122 {
5123 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5124 	rte_errno = ENOTSUP;
5125 	return NULL;
5126 #endif
5127 	/* check input parameters */
5128 	if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5129 		queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5130 		rte_errno = EINVAL;
5131 		return NULL;
5132 	}
5133 
5134 	struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5135 
5136 	if (cb == NULL) {
5137 		rte_errno = ENOMEM;
5138 		return NULL;
5139 	}
5140 
5141 	cb->fn.rx = fn;
5142 	cb->param = user_param;
5143 
5144 	rte_spinlock_lock(&eth_dev_rx_cb_lock);
5145 	/* Add the callbacks at first position */
5146 	cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5147 	/* Stores to cb->fn, cb->param and cb->next should complete before
5148 	 * cb is visible to data plane threads.
5149 	 */
5150 	__atomic_store_n(
5151 		&rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5152 		cb, __ATOMIC_RELEASE);
5153 	rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5154 
5155 	return cb;
5156 }
5157 
5158 const struct rte_eth_rxtx_callback *
5159 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5160 		rte_tx_callback_fn fn, void *user_param)
5161 {
5162 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5163 	rte_errno = ENOTSUP;
5164 	return NULL;
5165 #endif
5166 	struct rte_eth_dev *dev;
5167 
5168 	/* check input parameters */
5169 	if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5170 		    queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5171 		rte_errno = EINVAL;
5172 		return NULL;
5173 	}
5174 
5175 	dev = &rte_eth_devices[port_id];
5176 	if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5177 		rte_errno = EINVAL;
5178 		return NULL;
5179 	}
5180 
5181 	struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5182 
5183 	if (cb == NULL) {
5184 		rte_errno = ENOMEM;
5185 		return NULL;
5186 	}
5187 
5188 	cb->fn.tx = fn;
5189 	cb->param = user_param;
5190 
5191 	rte_spinlock_lock(&eth_dev_tx_cb_lock);
5192 	/* Add the callbacks in fifo order. */
5193 	struct rte_eth_rxtx_callback *tail =
5194 		rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5195 
5196 	if (!tail) {
5197 		/* Stores to cb->fn and cb->param should complete before
5198 		 * cb is visible to data plane.
5199 		 */
5200 		__atomic_store_n(
5201 			&rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5202 			cb, __ATOMIC_RELEASE);
5203 
5204 	} else {
5205 		while (tail->next)
5206 			tail = tail->next;
5207 		/* Stores to cb->fn and cb->param should complete before
5208 		 * cb is visible to data plane.
5209 		 */
5210 		__atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5211 	}
5212 	rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5213 
5214 	return cb;
5215 }
5216 
5217 int
5218 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5219 		const struct rte_eth_rxtx_callback *user_cb)
5220 {
5221 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5222 	return -ENOTSUP;
5223 #endif
5224 	/* Check input parameters. */
5225 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5226 	if (user_cb == NULL ||
5227 			queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5228 		return -EINVAL;
5229 
5230 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5231 	struct rte_eth_rxtx_callback *cb;
5232 	struct rte_eth_rxtx_callback **prev_cb;
5233 	int ret = -EINVAL;
5234 
5235 	rte_spinlock_lock(&eth_dev_rx_cb_lock);
5236 	prev_cb = &dev->post_rx_burst_cbs[queue_id];
5237 	for (; *prev_cb != NULL; prev_cb = &cb->next) {
5238 		cb = *prev_cb;
5239 		if (cb == user_cb) {
5240 			/* Remove the user cb from the callback list. */
5241 			__atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5242 			ret = 0;
5243 			break;
5244 		}
5245 	}
5246 	rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5247 
5248 	return ret;
5249 }
5250 
5251 int
5252 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5253 		const struct rte_eth_rxtx_callback *user_cb)
5254 {
5255 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5256 	return -ENOTSUP;
5257 #endif
5258 	/* Check input parameters. */
5259 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5260 	if (user_cb == NULL ||
5261 			queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5262 		return -EINVAL;
5263 
5264 	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5265 	int ret = -EINVAL;
5266 	struct rte_eth_rxtx_callback *cb;
5267 	struct rte_eth_rxtx_callback **prev_cb;
5268 
5269 	rte_spinlock_lock(&eth_dev_tx_cb_lock);
5270 	prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5271 	for (; *prev_cb != NULL; prev_cb = &cb->next) {
5272 		cb = *prev_cb;
5273 		if (cb == user_cb) {
5274 			/* Remove the user cb from the callback list. */
5275 			__atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5276 			ret = 0;
5277 			break;
5278 		}
5279 	}
5280 	rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5281 
5282 	return ret;
5283 }
5284 
5285 int
5286 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5287 	struct rte_eth_rxq_info *qinfo)
5288 {
5289 	struct rte_eth_dev *dev;
5290 
5291 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5292 	dev = &rte_eth_devices[port_id];
5293 
5294 	if (queue_id >= dev->data->nb_rx_queues) {
5295 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5296 		return -EINVAL;
5297 	}
5298 
5299 	if (qinfo == NULL) {
5300 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5301 			port_id, queue_id);
5302 		return -EINVAL;
5303 	}
5304 
5305 	if (dev->data->rx_queues == NULL ||
5306 			dev->data->rx_queues[queue_id] == NULL) {
5307 		RTE_ETHDEV_LOG(ERR,
5308 			       "Rx queue %"PRIu16" of device with port_id=%"
5309 			       PRIu16" has not been setup\n",
5310 			       queue_id, port_id);
5311 		return -EINVAL;
5312 	}
5313 
5314 	if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5315 		RTE_ETHDEV_LOG(INFO,
5316 			"Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5317 			queue_id, port_id);
5318 		return -EINVAL;
5319 	}
5320 
5321 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5322 
5323 	memset(qinfo, 0, sizeof(*qinfo));
5324 	dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5325 	qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5326 
5327 	return 0;
5328 }
5329 
5330 int
5331 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5332 	struct rte_eth_txq_info *qinfo)
5333 {
5334 	struct rte_eth_dev *dev;
5335 
5336 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5337 	dev = &rte_eth_devices[port_id];
5338 
5339 	if (queue_id >= dev->data->nb_tx_queues) {
5340 		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5341 		return -EINVAL;
5342 	}
5343 
5344 	if (qinfo == NULL) {
5345 		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5346 			port_id, queue_id);
5347 		return -EINVAL;
5348 	}
5349 
5350 	if (dev->data->tx_queues == NULL ||
5351 			dev->data->tx_queues[queue_id] == NULL) {
5352 		RTE_ETHDEV_LOG(ERR,
5353 			       "Tx queue %"PRIu16" of device with port_id=%"
5354 			       PRIu16" has not been setup\n",
5355 			       queue_id, port_id);
5356 		return -EINVAL;
5357 	}
5358 
5359 	if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5360 		RTE_ETHDEV_LOG(INFO,
5361 			"Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5362 			queue_id, port_id);
5363 		return -EINVAL;
5364 	}
5365 
5366 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5367 
5368 	memset(qinfo, 0, sizeof(*qinfo));
5369 	dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5370 	qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5371 
5372 	return 0;
5373 }
5374 
5375 int
5376 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5377 			  struct rte_eth_burst_mode *mode)
5378 {
5379 	struct rte_eth_dev *dev;
5380 
5381 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5382 	dev = &rte_eth_devices[port_id];
5383 
5384 	if (queue_id >= dev->data->nb_rx_queues) {
5385 		RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5386 		return -EINVAL;
5387 	}
5388 
5389 	if (mode == NULL) {
5390 		RTE_ETHDEV_LOG(ERR,
5391 			"Cannot get ethdev port %u Rx queue %u burst mode to NULL\n",
5392 			port_id, queue_id);
5393 		return -EINVAL;
5394 	}
5395 
5396 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5397 	memset(mode, 0, sizeof(*mode));
5398 	return eth_err(port_id,
5399 		       dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5400 }
5401 
5402 int
5403 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5404 			  struct rte_eth_burst_mode *mode)
5405 {
5406 	struct rte_eth_dev *dev;
5407 
5408 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5409 	dev = &rte_eth_devices[port_id];
5410 
5411 	if (queue_id >= dev->data->nb_tx_queues) {
5412 		RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5413 		return -EINVAL;
5414 	}
5415 
5416 	if (mode == NULL) {
5417 		RTE_ETHDEV_LOG(ERR,
5418 			"Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5419 			port_id, queue_id);
5420 		return -EINVAL;
5421 	}
5422 
5423 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5424 	memset(mode, 0, sizeof(*mode));
5425 	return eth_err(port_id,
5426 		       dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5427 }
5428 
5429 int
5430 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5431 		struct rte_power_monitor_cond *pmc)
5432 {
5433 	struct rte_eth_dev *dev;
5434 
5435 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5436 	dev = &rte_eth_devices[port_id];
5437 
5438 	if (queue_id >= dev->data->nb_rx_queues) {
5439 		RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5440 		return -EINVAL;
5441 	}
5442 
5443 	if (pmc == NULL) {
5444 		RTE_ETHDEV_LOG(ERR,
5445 			"Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5446 			port_id, queue_id);
5447 		return -EINVAL;
5448 	}
5449 
5450 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5451 	return eth_err(port_id,
5452 		dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5453 }
5454 
5455 int
5456 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5457 			     struct rte_ether_addr *mc_addr_set,
5458 			     uint32_t nb_mc_addr)
5459 {
5460 	struct rte_eth_dev *dev;
5461 
5462 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5463 	dev = &rte_eth_devices[port_id];
5464 
5465 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5466 	return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5467 						mc_addr_set, nb_mc_addr));
5468 }
5469 
5470 int
5471 rte_eth_timesync_enable(uint16_t port_id)
5472 {
5473 	struct rte_eth_dev *dev;
5474 
5475 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5476 	dev = &rte_eth_devices[port_id];
5477 
5478 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5479 	return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5480 }
5481 
5482 int
5483 rte_eth_timesync_disable(uint16_t port_id)
5484 {
5485 	struct rte_eth_dev *dev;
5486 
5487 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5488 	dev = &rte_eth_devices[port_id];
5489 
5490 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5491 	return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5492 }
5493 
5494 int
5495 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5496 				   uint32_t flags)
5497 {
5498 	struct rte_eth_dev *dev;
5499 
5500 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5501 	dev = &rte_eth_devices[port_id];
5502 
5503 	if (timestamp == NULL) {
5504 		RTE_ETHDEV_LOG(ERR,
5505 			"Cannot read ethdev port %u Rx timestamp to NULL\n",
5506 			port_id);
5507 		return -EINVAL;
5508 	}
5509 
5510 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5511 	return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5512 				(dev, timestamp, flags));
5513 }
5514 
5515 int
5516 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5517 				   struct timespec *timestamp)
5518 {
5519 	struct rte_eth_dev *dev;
5520 
5521 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5522 	dev = &rte_eth_devices[port_id];
5523 
5524 	if (timestamp == NULL) {
5525 		RTE_ETHDEV_LOG(ERR,
5526 			"Cannot read ethdev port %u Tx timestamp to NULL\n",
5527 			port_id);
5528 		return -EINVAL;
5529 	}
5530 
5531 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5532 	return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5533 				(dev, timestamp));
5534 }
5535 
5536 int
5537 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5538 {
5539 	struct rte_eth_dev *dev;
5540 
5541 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5542 	dev = &rte_eth_devices[port_id];
5543 
5544 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5545 	return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5546 }
5547 
5548 int
5549 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5550 {
5551 	struct rte_eth_dev *dev;
5552 
5553 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5554 	dev = &rte_eth_devices[port_id];
5555 
5556 	if (timestamp == NULL) {
5557 		RTE_ETHDEV_LOG(ERR,
5558 			"Cannot read ethdev port %u timesync time to NULL\n",
5559 			port_id);
5560 		return -EINVAL;
5561 	}
5562 
5563 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5564 	return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5565 								timestamp));
5566 }
5567 
5568 int
5569 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5570 {
5571 	struct rte_eth_dev *dev;
5572 
5573 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5574 	dev = &rte_eth_devices[port_id];
5575 
5576 	if (timestamp == NULL) {
5577 		RTE_ETHDEV_LOG(ERR,
5578 			"Cannot write ethdev port %u timesync from NULL time\n",
5579 			port_id);
5580 		return -EINVAL;
5581 	}
5582 
5583 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5584 	return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5585 								timestamp));
5586 }
5587 
5588 int
5589 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5590 {
5591 	struct rte_eth_dev *dev;
5592 
5593 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5594 	dev = &rte_eth_devices[port_id];
5595 
5596 	if (clock == NULL) {
5597 		RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5598 			port_id);
5599 		return -EINVAL;
5600 	}
5601 
5602 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5603 	return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5604 }
5605 
5606 int
5607 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5608 {
5609 	struct rte_eth_dev *dev;
5610 
5611 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5612 	dev = &rte_eth_devices[port_id];
5613 
5614 	if (info == NULL) {
5615 		RTE_ETHDEV_LOG(ERR,
5616 			"Cannot get ethdev port %u register info to NULL\n",
5617 			port_id);
5618 		return -EINVAL;
5619 	}
5620 
5621 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5622 	return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5623 }
5624 
5625 int
5626 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5627 {
5628 	struct rte_eth_dev *dev;
5629 
5630 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5631 	dev = &rte_eth_devices[port_id];
5632 
5633 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5634 	return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5635 }
5636 
5637 int
5638 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5639 {
5640 	struct rte_eth_dev *dev;
5641 
5642 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5643 	dev = &rte_eth_devices[port_id];
5644 
5645 	if (info == NULL) {
5646 		RTE_ETHDEV_LOG(ERR,
5647 			"Cannot get ethdev port %u EEPROM info to NULL\n",
5648 			port_id);
5649 		return -EINVAL;
5650 	}
5651 
5652 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5653 	return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5654 }
5655 
5656 int
5657 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5658 {
5659 	struct rte_eth_dev *dev;
5660 
5661 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5662 	dev = &rte_eth_devices[port_id];
5663 
5664 	if (info == NULL) {
5665 		RTE_ETHDEV_LOG(ERR,
5666 			"Cannot set ethdev port %u EEPROM from NULL info\n",
5667 			port_id);
5668 		return -EINVAL;
5669 	}
5670 
5671 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5672 	return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5673 }
5674 
5675 int
5676 rte_eth_dev_get_module_info(uint16_t port_id,
5677 			    struct rte_eth_dev_module_info *modinfo)
5678 {
5679 	struct rte_eth_dev *dev;
5680 
5681 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5682 	dev = &rte_eth_devices[port_id];
5683 
5684 	if (modinfo == NULL) {
5685 		RTE_ETHDEV_LOG(ERR,
5686 			"Cannot get ethdev port %u EEPROM module info to NULL\n",
5687 			port_id);
5688 		return -EINVAL;
5689 	}
5690 
5691 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5692 	return (*dev->dev_ops->get_module_info)(dev, modinfo);
5693 }
5694 
5695 int
5696 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5697 			      struct rte_dev_eeprom_info *info)
5698 {
5699 	struct rte_eth_dev *dev;
5700 
5701 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5702 	dev = &rte_eth_devices[port_id];
5703 
5704 	if (info == NULL) {
5705 		RTE_ETHDEV_LOG(ERR,
5706 			"Cannot get ethdev port %u module EEPROM info to NULL\n",
5707 			port_id);
5708 		return -EINVAL;
5709 	}
5710 
5711 	if (info->data == NULL) {
5712 		RTE_ETHDEV_LOG(ERR,
5713 			"Cannot get ethdev port %u module EEPROM data to NULL\n",
5714 			port_id);
5715 		return -EINVAL;
5716 	}
5717 
5718 	if (info->length == 0) {
5719 		RTE_ETHDEV_LOG(ERR,
5720 			"Cannot get ethdev port %u module EEPROM to data with zero size\n",
5721 			port_id);
5722 		return -EINVAL;
5723 	}
5724 
5725 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5726 	return (*dev->dev_ops->get_module_eeprom)(dev, info);
5727 }
5728 
5729 int
5730 rte_eth_dev_get_dcb_info(uint16_t port_id,
5731 			     struct rte_eth_dcb_info *dcb_info)
5732 {
5733 	struct rte_eth_dev *dev;
5734 
5735 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5736 	dev = &rte_eth_devices[port_id];
5737 
5738 	if (dcb_info == NULL) {
5739 		RTE_ETHDEV_LOG(ERR,
5740 			"Cannot get ethdev port %u DCB info to NULL\n",
5741 			port_id);
5742 		return -EINVAL;
5743 	}
5744 
5745 	memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5746 
5747 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5748 	return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5749 }
5750 
5751 static void
5752 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5753 		const struct rte_eth_desc_lim *desc_lim)
5754 {
5755 	if (desc_lim->nb_align != 0)
5756 		*nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5757 
5758 	if (desc_lim->nb_max != 0)
5759 		*nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5760 
5761 	*nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5762 }
5763 
5764 int
5765 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5766 				 uint16_t *nb_rx_desc,
5767 				 uint16_t *nb_tx_desc)
5768 {
5769 	struct rte_eth_dev_info dev_info;
5770 	int ret;
5771 
5772 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5773 
5774 	ret = rte_eth_dev_info_get(port_id, &dev_info);
5775 	if (ret != 0)
5776 		return ret;
5777 
5778 	if (nb_rx_desc != NULL)
5779 		eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5780 
5781 	if (nb_tx_desc != NULL)
5782 		eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5783 
5784 	return 0;
5785 }
5786 
5787 int
5788 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5789 				   struct rte_eth_hairpin_cap *cap)
5790 {
5791 	struct rte_eth_dev *dev;
5792 
5793 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5794 	dev = &rte_eth_devices[port_id];
5795 
5796 	if (cap == NULL) {
5797 		RTE_ETHDEV_LOG(ERR,
5798 			"Cannot get ethdev port %u hairpin capability to NULL\n",
5799 			port_id);
5800 		return -EINVAL;
5801 	}
5802 
5803 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5804 	memset(cap, 0, sizeof(*cap));
5805 	return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5806 }
5807 
5808 int
5809 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5810 {
5811 	if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5812 		return 1;
5813 	return 0;
5814 }
5815 
5816 int
5817 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5818 {
5819 	if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5820 		return 1;
5821 	return 0;
5822 }
5823 
5824 int
5825 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5826 {
5827 	struct rte_eth_dev *dev;
5828 
5829 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5830 	dev = &rte_eth_devices[port_id];
5831 
5832 	if (pool == NULL) {
5833 		RTE_ETHDEV_LOG(ERR,
5834 			"Cannot test ethdev port %u mempool operation from NULL pool\n",
5835 			port_id);
5836 		return -EINVAL;
5837 	}
5838 
5839 	if (*dev->dev_ops->pool_ops_supported == NULL)
5840 		return 1; /* all pools are supported */
5841 
5842 	return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5843 }
5844 
5845 /**
5846  * A set of values to describe the possible states of a switch domain.
5847  */
5848 enum rte_eth_switch_domain_state {
5849 	RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5850 	RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5851 };
5852 
5853 /**
5854  * Array of switch domains available for allocation. Array is sized to
5855  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5856  * ethdev ports in a single process.
5857  */
5858 static struct rte_eth_dev_switch {
5859 	enum rte_eth_switch_domain_state state;
5860 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5861 
5862 int
5863 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5864 {
5865 	uint16_t i;
5866 
5867 	*domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5868 
5869 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5870 		if (eth_dev_switch_domains[i].state ==
5871 			RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5872 			eth_dev_switch_domains[i].state =
5873 				RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5874 			*domain_id = i;
5875 			return 0;
5876 		}
5877 	}
5878 
5879 	return -ENOSPC;
5880 }
5881 
5882 int
5883 rte_eth_switch_domain_free(uint16_t domain_id)
5884 {
5885 	if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5886 		domain_id >= RTE_MAX_ETHPORTS)
5887 		return -EINVAL;
5888 
5889 	if (eth_dev_switch_domains[domain_id].state !=
5890 		RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5891 		return -EINVAL;
5892 
5893 	eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5894 
5895 	return 0;
5896 }
5897 
5898 static int
5899 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5900 {
5901 	int state;
5902 	struct rte_kvargs_pair *pair;
5903 	char *letter;
5904 
5905 	arglist->str = strdup(str_in);
5906 	if (arglist->str == NULL)
5907 		return -ENOMEM;
5908 
5909 	letter = arglist->str;
5910 	state = 0;
5911 	arglist->count = 0;
5912 	pair = &arglist->pairs[0];
5913 	while (1) {
5914 		switch (state) {
5915 		case 0: /* Initial */
5916 			if (*letter == '=')
5917 				return -EINVAL;
5918 			else if (*letter == '\0')
5919 				return 0;
5920 
5921 			state = 1;
5922 			pair->key = letter;
5923 			/* fall-thru */
5924 
5925 		case 1: /* Parsing key */
5926 			if (*letter == '=') {
5927 				*letter = '\0';
5928 				pair->value = letter + 1;
5929 				state = 2;
5930 			} else if (*letter == ',' || *letter == '\0')
5931 				return -EINVAL;
5932 			break;
5933 
5934 
5935 		case 2: /* Parsing value */
5936 			if (*letter == '[')
5937 				state = 3;
5938 			else if (*letter == ',') {
5939 				*letter = '\0';
5940 				arglist->count++;
5941 				pair = &arglist->pairs[arglist->count];
5942 				state = 0;
5943 			} else if (*letter == '\0') {
5944 				letter--;
5945 				arglist->count++;
5946 				pair = &arglist->pairs[arglist->count];
5947 				state = 0;
5948 			}
5949 			break;
5950 
5951 		case 3: /* Parsing list */
5952 			if (*letter == ']')
5953 				state = 2;
5954 			else if (*letter == '\0')
5955 				return -EINVAL;
5956 			break;
5957 		}
5958 		letter++;
5959 	}
5960 }
5961 
5962 int
5963 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5964 {
5965 	struct rte_kvargs args;
5966 	struct rte_kvargs_pair *pair;
5967 	unsigned int i;
5968 	int result = 0;
5969 
5970 	memset(eth_da, 0, sizeof(*eth_da));
5971 
5972 	result = eth_dev_devargs_tokenise(&args, dargs);
5973 	if (result < 0)
5974 		goto parse_cleanup;
5975 
5976 	for (i = 0; i < args.count; i++) {
5977 		pair = &args.pairs[i];
5978 		if (strcmp("representor", pair->key) == 0) {
5979 			if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5980 				RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5981 					dargs);
5982 				result = -1;
5983 				goto parse_cleanup;
5984 			}
5985 			result = rte_eth_devargs_parse_representor_ports(
5986 					pair->value, eth_da);
5987 			if (result < 0)
5988 				goto parse_cleanup;
5989 		}
5990 	}
5991 
5992 parse_cleanup:
5993 	if (args.str)
5994 		free(args.str);
5995 
5996 	return result;
5997 }
5998 
5999 int
6000 rte_eth_representor_id_get(const struct rte_eth_dev *ethdev,
6001 			   enum rte_eth_representor_type type,
6002 			   int controller, int pf, int representor_port,
6003 			   uint16_t *repr_id)
6004 {
6005 	int ret, n, count;
6006 	uint32_t i;
6007 	struct rte_eth_representor_info *info = NULL;
6008 	size_t size;
6009 
6010 	if (type == RTE_ETH_REPRESENTOR_NONE)
6011 		return 0;
6012 	if (repr_id == NULL)
6013 		return -EINVAL;
6014 
6015 	/* Get PMD representor range info. */
6016 	ret = rte_eth_representor_info_get(ethdev->data->port_id, NULL);
6017 	if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
6018 	    controller == -1 && pf == -1) {
6019 		/* Direct mapping for legacy VF representor. */
6020 		*repr_id = representor_port;
6021 		return 0;
6022 	} else if (ret < 0) {
6023 		return ret;
6024 	}
6025 	n = ret;
6026 	size = sizeof(*info) + n * sizeof(info->ranges[0]);
6027 	info = calloc(1, size);
6028 	if (info == NULL)
6029 		return -ENOMEM;
6030 	info->nb_ranges_alloc = n;
6031 	ret = rte_eth_representor_info_get(ethdev->data->port_id, info);
6032 	if (ret < 0)
6033 		goto out;
6034 
6035 	/* Default controller and pf to caller. */
6036 	if (controller == -1)
6037 		controller = info->controller;
6038 	if (pf == -1)
6039 		pf = info->pf;
6040 
6041 	/* Locate representor ID. */
6042 	ret = -ENOENT;
6043 	for (i = 0; i < info->nb_ranges; ++i) {
6044 		if (info->ranges[i].type != type)
6045 			continue;
6046 		if (info->ranges[i].controller != controller)
6047 			continue;
6048 		if (info->ranges[i].id_end < info->ranges[i].id_base) {
6049 			RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
6050 				ethdev->data->port_id, info->ranges[i].id_base,
6051 				info->ranges[i].id_end, i);
6052 			continue;
6053 
6054 		}
6055 		count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
6056 		switch (info->ranges[i].type) {
6057 		case RTE_ETH_REPRESENTOR_PF:
6058 			if (pf < info->ranges[i].pf ||
6059 			    pf >= info->ranges[i].pf + count)
6060 				continue;
6061 			*repr_id = info->ranges[i].id_base +
6062 				   (pf - info->ranges[i].pf);
6063 			ret = 0;
6064 			goto out;
6065 		case RTE_ETH_REPRESENTOR_VF:
6066 			if (info->ranges[i].pf != pf)
6067 				continue;
6068 			if (representor_port < info->ranges[i].vf ||
6069 			    representor_port >= info->ranges[i].vf + count)
6070 				continue;
6071 			*repr_id = info->ranges[i].id_base +
6072 				   (representor_port - info->ranges[i].vf);
6073 			ret = 0;
6074 			goto out;
6075 		case RTE_ETH_REPRESENTOR_SF:
6076 			if (info->ranges[i].pf != pf)
6077 				continue;
6078 			if (representor_port < info->ranges[i].sf ||
6079 			    representor_port >= info->ranges[i].sf + count)
6080 				continue;
6081 			*repr_id = info->ranges[i].id_base +
6082 			      (representor_port - info->ranges[i].sf);
6083 			ret = 0;
6084 			goto out;
6085 		default:
6086 			break;
6087 		}
6088 	}
6089 out:
6090 	free(info);
6091 	return ret;
6092 }
6093 
6094 static int
6095 eth_dev_handle_port_list(const char *cmd __rte_unused,
6096 		const char *params __rte_unused,
6097 		struct rte_tel_data *d)
6098 {
6099 	int port_id;
6100 
6101 	rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
6102 	RTE_ETH_FOREACH_DEV(port_id)
6103 		rte_tel_data_add_array_int(d, port_id);
6104 	return 0;
6105 }
6106 
6107 static void
6108 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
6109 		const char *stat_name)
6110 {
6111 	int q;
6112 	struct rte_tel_data *q_data = rte_tel_data_alloc();
6113 	rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6114 	for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6115 		rte_tel_data_add_array_u64(q_data, q_stats[q]);
6116 	rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6117 }
6118 
6119 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6120 
6121 static int
6122 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6123 		const char *params,
6124 		struct rte_tel_data *d)
6125 {
6126 	struct rte_eth_stats stats;
6127 	int port_id, ret;
6128 
6129 	if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6130 		return -1;
6131 
6132 	port_id = atoi(params);
6133 	if (!rte_eth_dev_is_valid_port(port_id))
6134 		return -1;
6135 
6136 	ret = rte_eth_stats_get(port_id, &stats);
6137 	if (ret < 0)
6138 		return -1;
6139 
6140 	rte_tel_data_start_dict(d);
6141 	ADD_DICT_STAT(stats, ipackets);
6142 	ADD_DICT_STAT(stats, opackets);
6143 	ADD_DICT_STAT(stats, ibytes);
6144 	ADD_DICT_STAT(stats, obytes);
6145 	ADD_DICT_STAT(stats, imissed);
6146 	ADD_DICT_STAT(stats, ierrors);
6147 	ADD_DICT_STAT(stats, oerrors);
6148 	ADD_DICT_STAT(stats, rx_nombuf);
6149 	eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6150 	eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6151 	eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6152 	eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6153 	eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6154 
6155 	return 0;
6156 }
6157 
6158 static int
6159 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6160 		const char *params,
6161 		struct rte_tel_data *d)
6162 {
6163 	struct rte_eth_xstat *eth_xstats;
6164 	struct rte_eth_xstat_name *xstat_names;
6165 	int port_id, num_xstats;
6166 	int i, ret;
6167 	char *end_param;
6168 
6169 	if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6170 		return -1;
6171 
6172 	port_id = strtoul(params, &end_param, 0);
6173 	if (*end_param != '\0')
6174 		RTE_ETHDEV_LOG(NOTICE,
6175 			"Extra parameters passed to ethdev telemetry command, ignoring");
6176 	if (!rte_eth_dev_is_valid_port(port_id))
6177 		return -1;
6178 
6179 	num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6180 	if (num_xstats < 0)
6181 		return -1;
6182 
6183 	/* use one malloc for both names and stats */
6184 	eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6185 			sizeof(struct rte_eth_xstat_name)) * num_xstats);
6186 	if (eth_xstats == NULL)
6187 		return -1;
6188 	xstat_names = (void *)&eth_xstats[num_xstats];
6189 
6190 	ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6191 	if (ret < 0 || ret > num_xstats) {
6192 		free(eth_xstats);
6193 		return -1;
6194 	}
6195 
6196 	ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6197 	if (ret < 0 || ret > num_xstats) {
6198 		free(eth_xstats);
6199 		return -1;
6200 	}
6201 
6202 	rte_tel_data_start_dict(d);
6203 	for (i = 0; i < num_xstats; i++)
6204 		rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6205 				eth_xstats[i].value);
6206 	return 0;
6207 }
6208 
6209 static int
6210 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6211 		const char *params,
6212 		struct rte_tel_data *d)
6213 {
6214 	static const char *status_str = "status";
6215 	int ret, port_id;
6216 	struct rte_eth_link link;
6217 	char *end_param;
6218 
6219 	if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6220 		return -1;
6221 
6222 	port_id = strtoul(params, &end_param, 0);
6223 	if (*end_param != '\0')
6224 		RTE_ETHDEV_LOG(NOTICE,
6225 			"Extra parameters passed to ethdev telemetry command, ignoring");
6226 	if (!rte_eth_dev_is_valid_port(port_id))
6227 		return -1;
6228 
6229 	ret = rte_eth_link_get_nowait(port_id, &link);
6230 	if (ret < 0)
6231 		return -1;
6232 
6233 	rte_tel_data_start_dict(d);
6234 	if (!link.link_status) {
6235 		rte_tel_data_add_dict_string(d, status_str, "DOWN");
6236 		return 0;
6237 	}
6238 	rte_tel_data_add_dict_string(d, status_str, "UP");
6239 	rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6240 	rte_tel_data_add_dict_string(d, "duplex",
6241 			(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6242 				"full-duplex" : "half-duplex");
6243 	return 0;
6244 }
6245 
6246 int
6247 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6248 				  struct rte_hairpin_peer_info *cur_info,
6249 				  struct rte_hairpin_peer_info *peer_info,
6250 				  uint32_t direction)
6251 {
6252 	struct rte_eth_dev *dev;
6253 
6254 	/* Current queue information is not mandatory. */
6255 	if (peer_info == NULL)
6256 		return -EINVAL;
6257 
6258 	/* No need to check the validity again. */
6259 	dev = &rte_eth_devices[peer_port];
6260 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6261 				-ENOTSUP);
6262 
6263 	return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6264 					cur_info, peer_info, direction);
6265 }
6266 
6267 int
6268 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6269 				struct rte_hairpin_peer_info *peer_info,
6270 				uint32_t direction)
6271 {
6272 	struct rte_eth_dev *dev;
6273 
6274 	if (peer_info == NULL)
6275 		return -EINVAL;
6276 
6277 	/* No need to check the validity again. */
6278 	dev = &rte_eth_devices[cur_port];
6279 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6280 				-ENOTSUP);
6281 
6282 	return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6283 							peer_info, direction);
6284 }
6285 
6286 int
6287 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6288 				  uint32_t direction)
6289 {
6290 	struct rte_eth_dev *dev;
6291 
6292 	/* No need to check the validity again. */
6293 	dev = &rte_eth_devices[cur_port];
6294 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6295 				-ENOTSUP);
6296 
6297 	return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6298 							  direction);
6299 }
6300 
6301 int
6302 rte_eth_representor_info_get(uint16_t port_id,
6303 			     struct rte_eth_representor_info *info)
6304 {
6305 	struct rte_eth_dev *dev;
6306 
6307 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6308 	dev = &rte_eth_devices[port_id];
6309 
6310 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6311 	return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6312 }
6313 
6314 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6315 
6316 RTE_INIT(ethdev_init_telemetry)
6317 {
6318 	rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6319 			"Returns list of available ethdev ports. Takes no parameters");
6320 	rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6321 			"Returns the common stats for a port. Parameters: int port_id");
6322 	rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6323 			"Returns the extended stats for a port. Parameters: int port_id");
6324 	rte_telemetry_register_cmd("/ethdev/link_status",
6325 			eth_dev_handle_port_link_status,
6326 			"Returns the link status for a port. Parameters: int port_id");
6327 }
6328