ethdev: move egress metadata to dynamic field
[dpdk.git] / lib / librte_ethdev / rte_ethdev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4
5 #include <sys/types.h>
6 #include <sys/queue.h>
7 #include <ctype.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <stdarg.h>
12 #include <errno.h>
13 #include <stdbool.h>
14 #include <stdint.h>
15 #include <inttypes.h>
16 #include <netinet/in.h>
17
18 #include <rte_byteorder.h>
19 #include <rte_log.h>
20 #include <rte_debug.h>
21 #include <rte_interrupts.h>
22 #include <rte_memory.h>
23 #include <rte_memcpy.h>
24 #include <rte_memzone.h>
25 #include <rte_launch.h>
26 #include <rte_eal.h>
27 #include <rte_per_lcore.h>
28 #include <rte_lcore.h>
29 #include <rte_atomic.h>
30 #include <rte_branch_prediction.h>
31 #include <rte_common.h>
32 #include <rte_mempool.h>
33 #include <rte_malloc.h>
34 #include <rte_mbuf.h>
35 #include <rte_errno.h>
36 #include <rte_spinlock.h>
37 #include <rte_string_fns.h>
38 #include <rte_kvargs.h>
39 #include <rte_class.h>
40 #include <rte_ether.h>
41
42 #include "rte_ethdev.h"
43 #include "rte_ethdev_driver.h"
44 #include "ethdev_profile.h"
45 #include "ethdev_private.h"
46
47 int rte_eth_dev_logtype;
48
49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
51
52 /* spinlock for eth device callbacks */
53 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
54
55 /* spinlock for add/remove rx callbacks */
56 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
57
58 /* spinlock for add/remove tx callbacks */
59 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
60
61 /* spinlock for shared data allocation */
62 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
63
64 /* store statistics names and its offset in stats structure  */
65 struct rte_eth_xstats_name_off {
66         char name[RTE_ETH_XSTATS_NAME_SIZE];
67         unsigned offset;
68 };
69
70 /* Shared memory between primary and secondary processes. */
71 static struct {
72         uint64_t next_owner_id;
73         rte_spinlock_t ownership_lock;
74         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
75 } *rte_eth_dev_shared_data;
76
77 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
78         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
79         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
80         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
81         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
82         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
83         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
84         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
85         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
86                 rx_nombuf)},
87 };
88
89 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
90
91 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
92         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
93         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
94         {"errors", offsetof(struct rte_eth_stats, q_errors)},
95 };
96
97 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
98                 sizeof(rte_rxq_stats_strings[0]))
99
100 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
101         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
102         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
103 };
104 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
105                 sizeof(rte_txq_stats_strings[0]))
106
107 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
108         { DEV_RX_OFFLOAD_##_name, #_name }
109
110 static const struct {
111         uint64_t offload;
112         const char *name;
113 } rte_rx_offload_names[] = {
114         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
115         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
116         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
117         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
118         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
119         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
120         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
121         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
122         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
123         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
124         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
125         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
126         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
127         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
128         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
129         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
130         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
131         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
132 };
133
134 #undef RTE_RX_OFFLOAD_BIT2STR
135
136 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
137         { DEV_TX_OFFLOAD_##_name, #_name }
138
139 static const struct {
140         uint64_t offload;
141         const char *name;
142 } rte_tx_offload_names[] = {
143         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
144         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
145         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
146         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
147         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
148         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
149         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
150         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
151         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
152         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
153         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
154         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
155         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
156         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
157         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
158         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
159         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
160         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
161         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
162         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
163         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
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 = {.args = NULL};
193         const char *bus_param_key;
194         char *bus_str = NULL;
195         char *cls_str = NULL;
196         int str_size;
197
198         memset(iter, 0, sizeof(*iter));
199
200         /*
201          * The devargs string may use various syntaxes:
202          *   - 0000:08:00.0,representor=[1-3]
203          *   - pci:0000:06:00.0,representor=[0,5]
204          *   - class=eth,mac=00:11:22:33:44:55
205          * A new syntax is in development (not yet supported):
206          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
207          */
208
209         /*
210          * Handle pure class filter (i.e. without any bus-level argument),
211          * from future new syntax.
212          * rte_devargs_parse() is not yet supporting the new syntax,
213          * that's why this simple case is temporarily parsed here.
214          */
215 #define iter_anybus_str "class=eth,"
216         if (strncmp(devargs_str, iter_anybus_str,
217                         strlen(iter_anybus_str)) == 0) {
218                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
219                 goto end;
220         }
221
222         /* Split bus, device and parameters. */
223         ret = rte_devargs_parse(&devargs, devargs_str);
224         if (ret != 0)
225                 goto error;
226
227         /*
228          * Assume parameters of old syntax can match only at ethdev level.
229          * Extra parameters will be ignored, thanks to "+" prefix.
230          */
231         str_size = strlen(devargs.args) + 2;
232         cls_str = malloc(str_size);
233         if (cls_str == NULL) {
234                 ret = -ENOMEM;
235                 goto error;
236         }
237         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
238         if (ret != str_size - 1) {
239                 ret = -EINVAL;
240                 goto error;
241         }
242         iter->cls_str = cls_str;
243         free(devargs.args); /* allocated by rte_devargs_parse() */
244         devargs.args = NULL;
245
246         iter->bus = devargs.bus;
247         if (iter->bus->dev_iterate == NULL) {
248                 ret = -ENOTSUP;
249                 goto error;
250         }
251
252         /* Convert bus args to new syntax for use with new API dev_iterate. */
253         if (strcmp(iter->bus->name, "vdev") == 0) {
254                 bus_param_key = "name";
255         } else if (strcmp(iter->bus->name, "pci") == 0) {
256                 bus_param_key = "addr";
257         } else {
258                 ret = -ENOTSUP;
259                 goto error;
260         }
261         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
262         bus_str = malloc(str_size);
263         if (bus_str == NULL) {
264                 ret = -ENOMEM;
265                 goto error;
266         }
267         ret = snprintf(bus_str, str_size, "%s=%s",
268                         bus_param_key, devargs.name);
269         if (ret != str_size - 1) {
270                 ret = -EINVAL;
271                 goto error;
272         }
273         iter->bus_str = bus_str;
274
275 end:
276         iter->cls = rte_class_find_by_name("eth");
277         return 0;
278
279 error:
280         if (ret == -ENOTSUP)
281                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
282                                 iter->bus->name);
283         free(devargs.args);
284         free(bus_str);
285         free(cls_str);
286         return ret;
287 }
288
289 uint16_t
290 rte_eth_iterator_next(struct rte_dev_iterator *iter)
291 {
292         if (iter->cls == NULL) /* invalid ethdev iterator */
293                 return RTE_MAX_ETHPORTS;
294
295         do { /* loop to try all matching rte_device */
296                 /* If not pure ethdev filter and */
297                 if (iter->bus != NULL &&
298                                 /* not in middle of rte_eth_dev iteration, */
299                                 iter->class_device == NULL) {
300                         /* get next rte_device to try. */
301                         iter->device = iter->bus->dev_iterate(
302                                         iter->device, iter->bus_str, iter);
303                         if (iter->device == NULL)
304                                 break; /* no more rte_device candidate */
305                 }
306                 /* A device is matching bus part, need to check ethdev part. */
307                 iter->class_device = iter->cls->dev_iterate(
308                                 iter->class_device, iter->cls_str, iter);
309                 if (iter->class_device != NULL)
310                         return eth_dev_to_id(iter->class_device); /* match */
311         } while (iter->bus != NULL); /* need to try next rte_device */
312
313         /* No more ethdev port to iterate. */
314         rte_eth_iterator_cleanup(iter);
315         return RTE_MAX_ETHPORTS;
316 }
317
318 void
319 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
320 {
321         if (iter->bus_str == NULL)
322                 return; /* nothing to free in pure class filter */
323         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
324         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
325         memset(iter, 0, sizeof(*iter));
326 }
327
328 uint16_t
329 rte_eth_find_next(uint16_t port_id)
330 {
331         while (port_id < RTE_MAX_ETHPORTS &&
332                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
333                 port_id++;
334
335         if (port_id >= RTE_MAX_ETHPORTS)
336                 return RTE_MAX_ETHPORTS;
337
338         return port_id;
339 }
340
341 /*
342  * Macro to iterate over all valid ports for internal usage.
343  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
344  */
345 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
346         for (port_id = rte_eth_find_next(0); \
347              port_id < RTE_MAX_ETHPORTS; \
348              port_id = rte_eth_find_next(port_id + 1))
349
350 uint16_t
351 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
352 {
353         port_id = rte_eth_find_next(port_id);
354         while (port_id < RTE_MAX_ETHPORTS &&
355                         rte_eth_devices[port_id].device != parent)
356                 port_id = rte_eth_find_next(port_id + 1);
357
358         return port_id;
359 }
360
361 uint16_t
362 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
363 {
364         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
365         return rte_eth_find_next_of(port_id,
366                         rte_eth_devices[ref_port_id].device);
367 }
368
369 static void
370 rte_eth_dev_shared_data_prepare(void)
371 {
372         const unsigned flags = 0;
373         const struct rte_memzone *mz;
374
375         rte_spinlock_lock(&rte_eth_shared_data_lock);
376
377         if (rte_eth_dev_shared_data == NULL) {
378                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
379                         /* Allocate port data and ownership shared memory. */
380                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
381                                         sizeof(*rte_eth_dev_shared_data),
382                                         rte_socket_id(), flags);
383                 } else
384                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
385                 if (mz == NULL)
386                         rte_panic("Cannot allocate ethdev shared data\n");
387
388                 rte_eth_dev_shared_data = mz->addr;
389                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
390                         rte_eth_dev_shared_data->next_owner_id =
391                                         RTE_ETH_DEV_NO_OWNER + 1;
392                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
393                         memset(rte_eth_dev_shared_data->data, 0,
394                                sizeof(rte_eth_dev_shared_data->data));
395                 }
396         }
397
398         rte_spinlock_unlock(&rte_eth_shared_data_lock);
399 }
400
401 static bool
402 is_allocated(const struct rte_eth_dev *ethdev)
403 {
404         return ethdev->data->name[0] != '\0';
405 }
406
407 static struct rte_eth_dev *
408 _rte_eth_dev_allocated(const char *name)
409 {
410         unsigned i;
411
412         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
413                 if (rte_eth_devices[i].data != NULL &&
414                     strcmp(rte_eth_devices[i].data->name, name) == 0)
415                         return &rte_eth_devices[i];
416         }
417         return NULL;
418 }
419
420 struct rte_eth_dev *
421 rte_eth_dev_allocated(const char *name)
422 {
423         struct rte_eth_dev *ethdev;
424
425         rte_eth_dev_shared_data_prepare();
426
427         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
428
429         ethdev = _rte_eth_dev_allocated(name);
430
431         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
432
433         return ethdev;
434 }
435
436 static uint16_t
437 rte_eth_dev_find_free_port(void)
438 {
439         unsigned i;
440
441         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
442                 /* Using shared name field to find a free port. */
443                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
444                         RTE_ASSERT(rte_eth_devices[i].state ==
445                                    RTE_ETH_DEV_UNUSED);
446                         return i;
447                 }
448         }
449         return RTE_MAX_ETHPORTS;
450 }
451
452 static struct rte_eth_dev *
453 eth_dev_get(uint16_t port_id)
454 {
455         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
456
457         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
458
459         return eth_dev;
460 }
461
462 struct rte_eth_dev *
463 rte_eth_dev_allocate(const char *name)
464 {
465         uint16_t port_id;
466         struct rte_eth_dev *eth_dev = NULL;
467         size_t name_len;
468
469         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
470         if (name_len == 0) {
471                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
472                 return NULL;
473         }
474
475         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
476                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
477                 return NULL;
478         }
479
480         rte_eth_dev_shared_data_prepare();
481
482         /* Synchronize port creation between primary and secondary threads. */
483         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
484
485         if (_rte_eth_dev_allocated(name) != NULL) {
486                 RTE_ETHDEV_LOG(ERR,
487                         "Ethernet device with name %s already allocated\n",
488                         name);
489                 goto unlock;
490         }
491
492         port_id = rte_eth_dev_find_free_port();
493         if (port_id == RTE_MAX_ETHPORTS) {
494                 RTE_ETHDEV_LOG(ERR,
495                         "Reached maximum number of Ethernet ports\n");
496                 goto unlock;
497         }
498
499         eth_dev = eth_dev_get(port_id);
500         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
501         eth_dev->data->port_id = port_id;
502         eth_dev->data->mtu = RTE_ETHER_MTU;
503
504 unlock:
505         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
506
507         return eth_dev;
508 }
509
510 /*
511  * Attach to a port already registered by the primary process, which
512  * makes sure that the same device would have the same port id both
513  * in the primary and secondary process.
514  */
515 struct rte_eth_dev *
516 rte_eth_dev_attach_secondary(const char *name)
517 {
518         uint16_t i;
519         struct rte_eth_dev *eth_dev = NULL;
520
521         rte_eth_dev_shared_data_prepare();
522
523         /* Synchronize port attachment to primary port creation and release. */
524         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
525
526         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
527                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
528                         break;
529         }
530         if (i == RTE_MAX_ETHPORTS) {
531                 RTE_ETHDEV_LOG(ERR,
532                         "Device %s is not driven by the primary process\n",
533                         name);
534         } else {
535                 eth_dev = eth_dev_get(i);
536                 RTE_ASSERT(eth_dev->data->port_id == i);
537         }
538
539         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
540         return eth_dev;
541 }
542
543 int
544 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
545 {
546         if (eth_dev == NULL)
547                 return -EINVAL;
548
549         rte_eth_dev_shared_data_prepare();
550
551         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
552                 _rte_eth_dev_callback_process(eth_dev,
553                                 RTE_ETH_EVENT_DESTROY, NULL);
554
555         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
556
557         eth_dev->state = RTE_ETH_DEV_UNUSED;
558
559         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
560                 rte_free(eth_dev->data->rx_queues);
561                 rte_free(eth_dev->data->tx_queues);
562                 rte_free(eth_dev->data->mac_addrs);
563                 rte_free(eth_dev->data->hash_mac_addrs);
564                 rte_free(eth_dev->data->dev_private);
565                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
566         }
567
568         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
569
570         return 0;
571 }
572
573 int
574 rte_eth_dev_is_valid_port(uint16_t port_id)
575 {
576         if (port_id >= RTE_MAX_ETHPORTS ||
577             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
578                 return 0;
579         else
580                 return 1;
581 }
582
583 static int
584 rte_eth_is_valid_owner_id(uint64_t owner_id)
585 {
586         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
587             rte_eth_dev_shared_data->next_owner_id <= owner_id)
588                 return 0;
589         return 1;
590 }
591
592 uint64_t
593 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
594 {
595         port_id = rte_eth_find_next(port_id);
596         while (port_id < RTE_MAX_ETHPORTS &&
597                         rte_eth_devices[port_id].data->owner.id != owner_id)
598                 port_id = rte_eth_find_next(port_id + 1);
599
600         return port_id;
601 }
602
603 int
604 rte_eth_dev_owner_new(uint64_t *owner_id)
605 {
606         rte_eth_dev_shared_data_prepare();
607
608         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
609
610         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
611
612         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
613         return 0;
614 }
615
616 static int
617 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
618                        const struct rte_eth_dev_owner *new_owner)
619 {
620         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
621         struct rte_eth_dev_owner *port_owner;
622
623         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
624                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
625                         port_id);
626                 return -ENODEV;
627         }
628
629         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
630             !rte_eth_is_valid_owner_id(old_owner_id)) {
631                 RTE_ETHDEV_LOG(ERR,
632                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
633                        old_owner_id, new_owner->id);
634                 return -EINVAL;
635         }
636
637         port_owner = &rte_eth_devices[port_id].data->owner;
638         if (port_owner->id != old_owner_id) {
639                 RTE_ETHDEV_LOG(ERR,
640                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
641                         port_id, port_owner->name, port_owner->id);
642                 return -EPERM;
643         }
644
645         /* can not truncate (same structure) */
646         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
647
648         port_owner->id = new_owner->id;
649
650         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
651                 port_id, new_owner->name, new_owner->id);
652
653         return 0;
654 }
655
656 int
657 rte_eth_dev_owner_set(const uint16_t port_id,
658                       const struct rte_eth_dev_owner *owner)
659 {
660         int ret;
661
662         rte_eth_dev_shared_data_prepare();
663
664         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
665
666         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
667
668         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
669         return ret;
670 }
671
672 int
673 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
674 {
675         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
676                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
677         int ret;
678
679         rte_eth_dev_shared_data_prepare();
680
681         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
682
683         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
684
685         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
686         return ret;
687 }
688
689 int
690 rte_eth_dev_owner_delete(const uint64_t owner_id)
691 {
692         uint16_t port_id;
693         int ret = 0;
694
695         rte_eth_dev_shared_data_prepare();
696
697         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
698
699         if (rte_eth_is_valid_owner_id(owner_id)) {
700                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
701                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
702                                 memset(&rte_eth_devices[port_id].data->owner, 0,
703                                        sizeof(struct rte_eth_dev_owner));
704                 RTE_ETHDEV_LOG(NOTICE,
705                         "All port owners owned by %016"PRIx64" identifier have removed\n",
706                         owner_id);
707         } else {
708                 RTE_ETHDEV_LOG(ERR,
709                                "Invalid owner id=%016"PRIx64"\n",
710                                owner_id);
711                 ret = -EINVAL;
712         }
713
714         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
715
716         return ret;
717 }
718
719 int
720 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
721 {
722         int ret = 0;
723         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
724
725         rte_eth_dev_shared_data_prepare();
726
727         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
728
729         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
730                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
731                         port_id);
732                 ret = -ENODEV;
733         } else {
734                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
735         }
736
737         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
738         return ret;
739 }
740
741 int
742 rte_eth_dev_socket_id(uint16_t port_id)
743 {
744         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
745         return rte_eth_devices[port_id].data->numa_node;
746 }
747
748 void *
749 rte_eth_dev_get_sec_ctx(uint16_t port_id)
750 {
751         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
752         return rte_eth_devices[port_id].security_ctx;
753 }
754
755 uint16_t
756 rte_eth_dev_count_avail(void)
757 {
758         uint16_t p;
759         uint16_t count;
760
761         count = 0;
762
763         RTE_ETH_FOREACH_DEV(p)
764                 count++;
765
766         return count;
767 }
768
769 uint16_t
770 rte_eth_dev_count_total(void)
771 {
772         uint16_t port, count = 0;
773
774         RTE_ETH_FOREACH_VALID_DEV(port)
775                 count++;
776
777         return count;
778 }
779
780 int
781 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
782 {
783         char *tmp;
784
785         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
786
787         if (name == NULL) {
788                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
789                 return -EINVAL;
790         }
791
792         /* shouldn't check 'rte_eth_devices[i].data',
793          * because it might be overwritten by VDEV PMD */
794         tmp = rte_eth_dev_shared_data->data[port_id].name;
795         strcpy(name, tmp);
796         return 0;
797 }
798
799 int
800 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
801 {
802         uint32_t pid;
803
804         if (name == NULL) {
805                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
806                 return -EINVAL;
807         }
808
809         RTE_ETH_FOREACH_VALID_DEV(pid)
810                 if (!strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
811                         *port_id = pid;
812                         return 0;
813                 }
814
815         return -ENODEV;
816 }
817
818 static int
819 eth_err(uint16_t port_id, int ret)
820 {
821         if (ret == 0)
822                 return 0;
823         if (rte_eth_dev_is_removed(port_id))
824                 return -EIO;
825         return ret;
826 }
827
828 static int
829 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
830 {
831         uint16_t old_nb_queues = dev->data->nb_rx_queues;
832         void **rxq;
833         unsigned i;
834
835         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
836                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
837                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
838                                 RTE_CACHE_LINE_SIZE);
839                 if (dev->data->rx_queues == NULL) {
840                         dev->data->nb_rx_queues = 0;
841                         return -(ENOMEM);
842                 }
843         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
844                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
845
846                 rxq = dev->data->rx_queues;
847
848                 for (i = nb_queues; i < old_nb_queues; i++)
849                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
850                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
851                                 RTE_CACHE_LINE_SIZE);
852                 if (rxq == NULL)
853                         return -(ENOMEM);
854                 if (nb_queues > old_nb_queues) {
855                         uint16_t new_qs = nb_queues - old_nb_queues;
856
857                         memset(rxq + old_nb_queues, 0,
858                                 sizeof(rxq[0]) * new_qs);
859                 }
860
861                 dev->data->rx_queues = rxq;
862
863         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
864                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
865
866                 rxq = dev->data->rx_queues;
867
868                 for (i = nb_queues; i < old_nb_queues; i++)
869                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
870
871                 rte_free(dev->data->rx_queues);
872                 dev->data->rx_queues = NULL;
873         }
874         dev->data->nb_rx_queues = nb_queues;
875         return 0;
876 }
877
878 int
879 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
880 {
881         struct rte_eth_dev *dev;
882
883         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
884
885         dev = &rte_eth_devices[port_id];
886         if (!dev->data->dev_started) {
887                 RTE_ETHDEV_LOG(ERR,
888                         "Port %u must be started before start any queue\n",
889                         port_id);
890                 return -EINVAL;
891         }
892
893         if (rx_queue_id >= dev->data->nb_rx_queues) {
894                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
895                 return -EINVAL;
896         }
897
898         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
899
900         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
901                 RTE_ETHDEV_LOG(INFO,
902                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
903                         rx_queue_id, port_id);
904                 return -EINVAL;
905         }
906
907         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
908                 RTE_ETHDEV_LOG(INFO,
909                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
910                         rx_queue_id, port_id);
911                 return 0;
912         }
913
914         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
915                                                              rx_queue_id));
916
917 }
918
919 int
920 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
921 {
922         struct rte_eth_dev *dev;
923
924         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
925
926         dev = &rte_eth_devices[port_id];
927         if (rx_queue_id >= dev->data->nb_rx_queues) {
928                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
929                 return -EINVAL;
930         }
931
932         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
933
934         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
935                 RTE_ETHDEV_LOG(INFO,
936                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
937                         rx_queue_id, port_id);
938                 return -EINVAL;
939         }
940
941         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
942                 RTE_ETHDEV_LOG(INFO,
943                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
944                         rx_queue_id, port_id);
945                 return 0;
946         }
947
948         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
949
950 }
951
952 int
953 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
954 {
955         struct rte_eth_dev *dev;
956
957         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
958
959         dev = &rte_eth_devices[port_id];
960         if (!dev->data->dev_started) {
961                 RTE_ETHDEV_LOG(ERR,
962                         "Port %u must be started before start any queue\n",
963                         port_id);
964                 return -EINVAL;
965         }
966
967         if (tx_queue_id >= dev->data->nb_tx_queues) {
968                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
969                 return -EINVAL;
970         }
971
972         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
973
974         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
975                 RTE_ETHDEV_LOG(INFO,
976                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
977                         tx_queue_id, port_id);
978                 return -EINVAL;
979         }
980
981         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
982                 RTE_ETHDEV_LOG(INFO,
983                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
984                         tx_queue_id, port_id);
985                 return 0;
986         }
987
988         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
989 }
990
991 int
992 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
993 {
994         struct rte_eth_dev *dev;
995
996         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
997
998         dev = &rte_eth_devices[port_id];
999         if (tx_queue_id >= dev->data->nb_tx_queues) {
1000                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1001                 return -EINVAL;
1002         }
1003
1004         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1005
1006         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1007                 RTE_ETHDEV_LOG(INFO,
1008                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1009                         tx_queue_id, port_id);
1010                 return -EINVAL;
1011         }
1012
1013         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1014                 RTE_ETHDEV_LOG(INFO,
1015                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1016                         tx_queue_id, port_id);
1017                 return 0;
1018         }
1019
1020         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1021
1022 }
1023
1024 static int
1025 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1026 {
1027         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1028         void **txq;
1029         unsigned i;
1030
1031         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1032                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1033                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
1034                                                    RTE_CACHE_LINE_SIZE);
1035                 if (dev->data->tx_queues == NULL) {
1036                         dev->data->nb_tx_queues = 0;
1037                         return -(ENOMEM);
1038                 }
1039         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1040                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1041
1042                 txq = dev->data->tx_queues;
1043
1044                 for (i = nb_queues; i < old_nb_queues; i++)
1045                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1046                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
1047                                   RTE_CACHE_LINE_SIZE);
1048                 if (txq == NULL)
1049                         return -ENOMEM;
1050                 if (nb_queues > old_nb_queues) {
1051                         uint16_t new_qs = nb_queues - old_nb_queues;
1052
1053                         memset(txq + old_nb_queues, 0,
1054                                sizeof(txq[0]) * new_qs);
1055                 }
1056
1057                 dev->data->tx_queues = txq;
1058
1059         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1060                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1061
1062                 txq = dev->data->tx_queues;
1063
1064                 for (i = nb_queues; i < old_nb_queues; i++)
1065                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1066
1067                 rte_free(dev->data->tx_queues);
1068                 dev->data->tx_queues = NULL;
1069         }
1070         dev->data->nb_tx_queues = nb_queues;
1071         return 0;
1072 }
1073
1074 uint32_t
1075 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1076 {
1077         switch (speed) {
1078         case ETH_SPEED_NUM_10M:
1079                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1080         case ETH_SPEED_NUM_100M:
1081                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1082         case ETH_SPEED_NUM_1G:
1083                 return ETH_LINK_SPEED_1G;
1084         case ETH_SPEED_NUM_2_5G:
1085                 return ETH_LINK_SPEED_2_5G;
1086         case ETH_SPEED_NUM_5G:
1087                 return ETH_LINK_SPEED_5G;
1088         case ETH_SPEED_NUM_10G:
1089                 return ETH_LINK_SPEED_10G;
1090         case ETH_SPEED_NUM_20G:
1091                 return ETH_LINK_SPEED_20G;
1092         case ETH_SPEED_NUM_25G:
1093                 return ETH_LINK_SPEED_25G;
1094         case ETH_SPEED_NUM_40G:
1095                 return ETH_LINK_SPEED_40G;
1096         case ETH_SPEED_NUM_50G:
1097                 return ETH_LINK_SPEED_50G;
1098         case ETH_SPEED_NUM_56G:
1099                 return ETH_LINK_SPEED_56G;
1100         case ETH_SPEED_NUM_100G:
1101                 return ETH_LINK_SPEED_100G;
1102         default:
1103                 return 0;
1104         }
1105 }
1106
1107 const char *
1108 rte_eth_dev_rx_offload_name(uint64_t offload)
1109 {
1110         const char *name = "UNKNOWN";
1111         unsigned int i;
1112
1113         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1114                 if (offload == rte_rx_offload_names[i].offload) {
1115                         name = rte_rx_offload_names[i].name;
1116                         break;
1117                 }
1118         }
1119
1120         return name;
1121 }
1122
1123 const char *
1124 rte_eth_dev_tx_offload_name(uint64_t offload)
1125 {
1126         const char *name = "UNKNOWN";
1127         unsigned int i;
1128
1129         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1130                 if (offload == rte_tx_offload_names[i].offload) {
1131                         name = rte_tx_offload_names[i].name;
1132                         break;
1133                 }
1134         }
1135
1136         return name;
1137 }
1138
1139 int
1140 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1141                       const struct rte_eth_conf *dev_conf)
1142 {
1143         struct rte_eth_dev *dev;
1144         struct rte_eth_dev_info dev_info;
1145         struct rte_eth_conf orig_conf;
1146         int diag;
1147         int ret;
1148
1149         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1150
1151         dev = &rte_eth_devices[port_id];
1152
1153         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1154
1155         if (dev->data->dev_started) {
1156                 RTE_ETHDEV_LOG(ERR,
1157                         "Port %u must be stopped to allow configuration\n",
1158                         port_id);
1159                 return -EBUSY;
1160         }
1161
1162          /* Store original config, as rollback required on failure */
1163         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1164
1165         /*
1166          * Copy the dev_conf parameter into the dev structure.
1167          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1168          */
1169         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1170
1171         ret = rte_eth_dev_info_get(port_id, &dev_info);
1172         if (ret != 0)
1173                 goto rollback;
1174
1175         /* If number of queues specified by application for both Rx and Tx is
1176          * zero, use driver preferred values. This cannot be done individually
1177          * as it is valid for either Tx or Rx (but not both) to be zero.
1178          * If driver does not provide any preferred valued, fall back on
1179          * EAL defaults.
1180          */
1181         if (nb_rx_q == 0 && nb_tx_q == 0) {
1182                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1183                 if (nb_rx_q == 0)
1184                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1185                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1186                 if (nb_tx_q == 0)
1187                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1188         }
1189
1190         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1191                 RTE_ETHDEV_LOG(ERR,
1192                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1193                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1194                 ret = -EINVAL;
1195                 goto rollback;
1196         }
1197
1198         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1199                 RTE_ETHDEV_LOG(ERR,
1200                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1201                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1202                 ret = -EINVAL;
1203                 goto rollback;
1204         }
1205
1206         /*
1207          * Check that the numbers of RX and TX queues are not greater
1208          * than the maximum number of RX and TX queues supported by the
1209          * configured device.
1210          */
1211         if (nb_rx_q > dev_info.max_rx_queues) {
1212                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1213                         port_id, nb_rx_q, dev_info.max_rx_queues);
1214                 ret = -EINVAL;
1215                 goto rollback;
1216         }
1217
1218         if (nb_tx_q > dev_info.max_tx_queues) {
1219                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1220                         port_id, nb_tx_q, dev_info.max_tx_queues);
1221                 ret = -EINVAL;
1222                 goto rollback;
1223         }
1224
1225         /* Check that the device supports requested interrupts */
1226         if ((dev_conf->intr_conf.lsc == 1) &&
1227                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1228                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1229                         dev->device->driver->name);
1230                 ret = -EINVAL;
1231                 goto rollback;
1232         }
1233         if ((dev_conf->intr_conf.rmv == 1) &&
1234                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1235                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1236                         dev->device->driver->name);
1237                 ret = -EINVAL;
1238                 goto rollback;
1239         }
1240
1241         /*
1242          * If jumbo frames are enabled, check that the maximum RX packet
1243          * length is supported by the configured device.
1244          */
1245         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1246                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1247                         RTE_ETHDEV_LOG(ERR,
1248                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1249                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1250                                 dev_info.max_rx_pktlen);
1251                         ret = -EINVAL;
1252                         goto rollback;
1253                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1254                         RTE_ETHDEV_LOG(ERR,
1255                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1256                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1257                                 (unsigned int)RTE_ETHER_MIN_LEN);
1258                         ret = -EINVAL;
1259                         goto rollback;
1260                 }
1261         } else {
1262                 if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN ||
1263                         dev_conf->rxmode.max_rx_pkt_len > RTE_ETHER_MAX_LEN)
1264                         /* Use default value */
1265                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1266                                                         RTE_ETHER_MAX_LEN;
1267         }
1268
1269         /* Any requested offloading must be within its device capabilities */
1270         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1271              dev_conf->rxmode.offloads) {
1272                 RTE_ETHDEV_LOG(ERR,
1273                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1274                         "capabilities 0x%"PRIx64" in %s()\n",
1275                         port_id, dev_conf->rxmode.offloads,
1276                         dev_info.rx_offload_capa,
1277                         __func__);
1278                 ret = -EINVAL;
1279                 goto rollback;
1280         }
1281         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1282              dev_conf->txmode.offloads) {
1283                 RTE_ETHDEV_LOG(ERR,
1284                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1285                         "capabilities 0x%"PRIx64" in %s()\n",
1286                         port_id, dev_conf->txmode.offloads,
1287                         dev_info.tx_offload_capa,
1288                         __func__);
1289                 ret = -EINVAL;
1290                 goto rollback;
1291         }
1292
1293         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1294                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1295
1296         /* Check that device supports requested rss hash functions. */
1297         if ((dev_info.flow_type_rss_offloads |
1298              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1299             dev_info.flow_type_rss_offloads) {
1300                 RTE_ETHDEV_LOG(ERR,
1301                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1302                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1303                         dev_info.flow_type_rss_offloads);
1304                 ret = -EINVAL;
1305                 goto rollback;
1306         }
1307
1308         /*
1309          * Setup new number of RX/TX queues and reconfigure device.
1310          */
1311         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1312         if (diag != 0) {
1313                 RTE_ETHDEV_LOG(ERR,
1314                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1315                         port_id, diag);
1316                 ret = diag;
1317                 goto rollback;
1318         }
1319
1320         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1321         if (diag != 0) {
1322                 RTE_ETHDEV_LOG(ERR,
1323                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1324                         port_id, diag);
1325                 rte_eth_dev_rx_queue_config(dev, 0);
1326                 ret = diag;
1327                 goto rollback;
1328         }
1329
1330         diag = (*dev->dev_ops->dev_configure)(dev);
1331         if (diag != 0) {
1332                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1333                         port_id, diag);
1334                 rte_eth_dev_rx_queue_config(dev, 0);
1335                 rte_eth_dev_tx_queue_config(dev, 0);
1336                 ret = eth_err(port_id, diag);
1337                 goto rollback;
1338         }
1339
1340         /* Initialize Rx profiling if enabled at compilation time. */
1341         diag = __rte_eth_dev_profile_init(port_id, dev);
1342         if (diag != 0) {
1343                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1344                         port_id, diag);
1345                 rte_eth_dev_rx_queue_config(dev, 0);
1346                 rte_eth_dev_tx_queue_config(dev, 0);
1347                 ret = eth_err(port_id, diag);
1348                 goto rollback;
1349         }
1350
1351         return 0;
1352
1353 rollback:
1354         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1355
1356         return ret;
1357 }
1358
1359 void
1360 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1361 {
1362         if (dev->data->dev_started) {
1363                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1364                         dev->data->port_id);
1365                 return;
1366         }
1367
1368         rte_eth_dev_rx_queue_config(dev, 0);
1369         rte_eth_dev_tx_queue_config(dev, 0);
1370
1371         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1372 }
1373
1374 static void
1375 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1376                         struct rte_eth_dev_info *dev_info)
1377 {
1378         struct rte_ether_addr *addr;
1379         uint16_t i;
1380         uint32_t pool = 0;
1381         uint64_t pool_mask;
1382
1383         /* replay MAC address configuration including default MAC */
1384         addr = &dev->data->mac_addrs[0];
1385         if (*dev->dev_ops->mac_addr_set != NULL)
1386                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1387         else if (*dev->dev_ops->mac_addr_add != NULL)
1388                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1389
1390         if (*dev->dev_ops->mac_addr_add != NULL) {
1391                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1392                         addr = &dev->data->mac_addrs[i];
1393
1394                         /* skip zero address */
1395                         if (rte_is_zero_ether_addr(addr))
1396                                 continue;
1397
1398                         pool = 0;
1399                         pool_mask = dev->data->mac_pool_sel[i];
1400
1401                         do {
1402                                 if (pool_mask & 1ULL)
1403                                         (*dev->dev_ops->mac_addr_add)(dev,
1404                                                 addr, i, pool);
1405                                 pool_mask >>= 1;
1406                                 pool++;
1407                         } while (pool_mask);
1408                 }
1409         }
1410 }
1411
1412 static int
1413 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1414                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1415 {
1416         int ret;
1417
1418         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1419                 rte_eth_dev_mac_restore(dev, dev_info);
1420
1421         /* replay promiscuous configuration */
1422         /*
1423          * use callbacks directly since we don't need port_id check and
1424          * would like to bypass the same value set
1425          */
1426         if (rte_eth_promiscuous_get(port_id) == 1 &&
1427             *dev->dev_ops->promiscuous_enable != NULL) {
1428                 ret = eth_err(port_id,
1429                               (*dev->dev_ops->promiscuous_enable)(dev));
1430                 if (ret != 0 && ret != -ENOTSUP) {
1431                         RTE_ETHDEV_LOG(ERR,
1432                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1433                                 port_id, rte_strerror(-ret));
1434                         return ret;
1435                 }
1436         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1437                    *dev->dev_ops->promiscuous_disable != NULL) {
1438                 ret = eth_err(port_id,
1439                               (*dev->dev_ops->promiscuous_disable)(dev));
1440                 if (ret != 0 && ret != -ENOTSUP) {
1441                         RTE_ETHDEV_LOG(ERR,
1442                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1443                                 port_id, rte_strerror(-ret));
1444                         return ret;
1445                 }
1446         }
1447
1448         /* replay all multicast configuration */
1449         /*
1450          * use callbacks directly since we don't need port_id check and
1451          * would like to bypass the same value set
1452          */
1453         if (rte_eth_allmulticast_get(port_id) == 1 &&
1454             *dev->dev_ops->allmulticast_enable != NULL) {
1455                 ret = eth_err(port_id,
1456                               (*dev->dev_ops->allmulticast_enable)(dev));
1457                 if (ret != 0 && ret != -ENOTSUP) {
1458                         RTE_ETHDEV_LOG(ERR,
1459                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1460                                 port_id, rte_strerror(-ret));
1461                         return ret;
1462                 }
1463         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1464                    *dev->dev_ops->allmulticast_disable != NULL) {
1465                 ret = eth_err(port_id,
1466                               (*dev->dev_ops->allmulticast_disable)(dev));
1467                 if (ret != 0 && ret != -ENOTSUP) {
1468                         RTE_ETHDEV_LOG(ERR,
1469                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1470                                 port_id, rte_strerror(-ret));
1471                         return ret;
1472                 }
1473         }
1474
1475         return 0;
1476 }
1477
1478 int
1479 rte_eth_dev_start(uint16_t port_id)
1480 {
1481         struct rte_eth_dev *dev;
1482         struct rte_eth_dev_info dev_info;
1483         int diag;
1484         int ret;
1485
1486         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1487
1488         dev = &rte_eth_devices[port_id];
1489
1490         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1491
1492         if (dev->data->dev_started != 0) {
1493                 RTE_ETHDEV_LOG(INFO,
1494                         "Device with port_id=%"PRIu16" already started\n",
1495                         port_id);
1496                 return 0;
1497         }
1498
1499         ret = rte_eth_dev_info_get(port_id, &dev_info);
1500         if (ret != 0)
1501                 return ret;
1502
1503         /* Lets restore MAC now if device does not support live change */
1504         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1505                 rte_eth_dev_mac_restore(dev, &dev_info);
1506
1507         diag = (*dev->dev_ops->dev_start)(dev);
1508         if (diag == 0)
1509                 dev->data->dev_started = 1;
1510         else
1511                 return eth_err(port_id, diag);
1512
1513         ret = rte_eth_dev_config_restore(dev, &dev_info, port_id);
1514         if (ret != 0) {
1515                 RTE_ETHDEV_LOG(ERR,
1516                         "Error during restoring configuration for device (port %u): %s\n",
1517                         port_id, rte_strerror(-ret));
1518                 rte_eth_dev_stop(port_id);
1519                 return ret;
1520         }
1521
1522         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1523                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1524                 (*dev->dev_ops->link_update)(dev, 0);
1525         }
1526         return 0;
1527 }
1528
1529 void
1530 rte_eth_dev_stop(uint16_t port_id)
1531 {
1532         struct rte_eth_dev *dev;
1533
1534         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1535         dev = &rte_eth_devices[port_id];
1536
1537         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1538
1539         if (dev->data->dev_started == 0) {
1540                 RTE_ETHDEV_LOG(INFO,
1541                         "Device with port_id=%"PRIu16" already stopped\n",
1542                         port_id);
1543                 return;
1544         }
1545
1546         dev->data->dev_started = 0;
1547         (*dev->dev_ops->dev_stop)(dev);
1548 }
1549
1550 int
1551 rte_eth_dev_set_link_up(uint16_t port_id)
1552 {
1553         struct rte_eth_dev *dev;
1554
1555         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1556
1557         dev = &rte_eth_devices[port_id];
1558
1559         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1560         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1561 }
1562
1563 int
1564 rte_eth_dev_set_link_down(uint16_t port_id)
1565 {
1566         struct rte_eth_dev *dev;
1567
1568         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1569
1570         dev = &rte_eth_devices[port_id];
1571
1572         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1573         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1574 }
1575
1576 void
1577 rte_eth_dev_close(uint16_t port_id)
1578 {
1579         struct rte_eth_dev *dev;
1580
1581         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1582         dev = &rte_eth_devices[port_id];
1583
1584         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1585         dev->data->dev_started = 0;
1586         (*dev->dev_ops->dev_close)(dev);
1587
1588         /* check behaviour flag - temporary for PMD migration */
1589         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1590                 /* new behaviour: send event + reset state + free all data */
1591                 rte_eth_dev_release_port(dev);
1592                 return;
1593         }
1594         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1595                         "The driver %s should migrate to the new behaviour.\n",
1596                         dev->device->driver->name);
1597         /* old behaviour: only free queue arrays */
1598         dev->data->nb_rx_queues = 0;
1599         rte_free(dev->data->rx_queues);
1600         dev->data->rx_queues = NULL;
1601         dev->data->nb_tx_queues = 0;
1602         rte_free(dev->data->tx_queues);
1603         dev->data->tx_queues = NULL;
1604 }
1605
1606 int
1607 rte_eth_dev_reset(uint16_t port_id)
1608 {
1609         struct rte_eth_dev *dev;
1610         int ret;
1611
1612         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1613         dev = &rte_eth_devices[port_id];
1614
1615         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1616
1617         rte_eth_dev_stop(port_id);
1618         ret = dev->dev_ops->dev_reset(dev);
1619
1620         return eth_err(port_id, ret);
1621 }
1622
1623 int
1624 rte_eth_dev_is_removed(uint16_t port_id)
1625 {
1626         struct rte_eth_dev *dev;
1627         int ret;
1628
1629         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1630
1631         dev = &rte_eth_devices[port_id];
1632
1633         if (dev->state == RTE_ETH_DEV_REMOVED)
1634                 return 1;
1635
1636         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1637
1638         ret = dev->dev_ops->is_removed(dev);
1639         if (ret != 0)
1640                 /* Device is physically removed. */
1641                 dev->state = RTE_ETH_DEV_REMOVED;
1642
1643         return ret;
1644 }
1645
1646 int
1647 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1648                        uint16_t nb_rx_desc, unsigned int socket_id,
1649                        const struct rte_eth_rxconf *rx_conf,
1650                        struct rte_mempool *mp)
1651 {
1652         int ret;
1653         uint32_t mbp_buf_size;
1654         struct rte_eth_dev *dev;
1655         struct rte_eth_dev_info dev_info;
1656         struct rte_eth_rxconf local_conf;
1657         void **rxq;
1658
1659         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1660
1661         dev = &rte_eth_devices[port_id];
1662         if (rx_queue_id >= dev->data->nb_rx_queues) {
1663                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1664                 return -EINVAL;
1665         }
1666
1667         if (mp == NULL) {
1668                 RTE_ETHDEV_LOG(ERR, "Invalid null mempool pointer\n");
1669                 return -EINVAL;
1670         }
1671
1672         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1673
1674         /*
1675          * Check the size of the mbuf data buffer.
1676          * This value must be provided in the private data of the memory pool.
1677          * First check that the memory pool has a valid private data.
1678          */
1679         ret = rte_eth_dev_info_get(port_id, &dev_info);
1680         if (ret != 0)
1681                 return ret;
1682
1683         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1684                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1685                         mp->name, (int)mp->private_data_size,
1686                         (int)sizeof(struct rte_pktmbuf_pool_private));
1687                 return -ENOSPC;
1688         }
1689         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1690
1691         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1692                 RTE_ETHDEV_LOG(ERR,
1693                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1694                         mp->name, (int)mbp_buf_size,
1695                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1696                         (int)RTE_PKTMBUF_HEADROOM,
1697                         (int)dev_info.min_rx_bufsize);
1698                 return -EINVAL;
1699         }
1700
1701         /* Use default specified by driver, if nb_rx_desc is zero */
1702         if (nb_rx_desc == 0) {
1703                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1704                 /* If driver default is also zero, fall back on EAL default */
1705                 if (nb_rx_desc == 0)
1706                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1707         }
1708
1709         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1710                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1711                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1712
1713                 RTE_ETHDEV_LOG(ERR,
1714                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1715                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1716                         dev_info.rx_desc_lim.nb_min,
1717                         dev_info.rx_desc_lim.nb_align);
1718                 return -EINVAL;
1719         }
1720
1721         if (dev->data->dev_started &&
1722                 !(dev_info.dev_capa &
1723                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1724                 return -EBUSY;
1725
1726         if (dev->data->dev_started &&
1727                 (dev->data->rx_queue_state[rx_queue_id] !=
1728                         RTE_ETH_QUEUE_STATE_STOPPED))
1729                 return -EBUSY;
1730
1731         rxq = dev->data->rx_queues;
1732         if (rxq[rx_queue_id]) {
1733                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1734                                         -ENOTSUP);
1735                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1736                 rxq[rx_queue_id] = NULL;
1737         }
1738
1739         if (rx_conf == NULL)
1740                 rx_conf = &dev_info.default_rxconf;
1741
1742         local_conf = *rx_conf;
1743
1744         /*
1745          * If an offloading has already been enabled in
1746          * rte_eth_dev_configure(), it has been enabled on all queues,
1747          * so there is no need to enable it in this queue again.
1748          * The local_conf.offloads input to underlying PMD only carries
1749          * those offloadings which are only enabled on this queue and
1750          * not enabled on all queues.
1751          */
1752         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1753
1754         /*
1755          * New added offloadings for this queue are those not enabled in
1756          * rte_eth_dev_configure() and they must be per-queue type.
1757          * A pure per-port offloading can't be enabled on a queue while
1758          * disabled on another queue. A pure per-port offloading can't
1759          * be enabled for any queue as new added one if it hasn't been
1760          * enabled in rte_eth_dev_configure().
1761          */
1762         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1763              local_conf.offloads) {
1764                 RTE_ETHDEV_LOG(ERR,
1765                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1766                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1767                         port_id, rx_queue_id, local_conf.offloads,
1768                         dev_info.rx_queue_offload_capa,
1769                         __func__);
1770                 return -EINVAL;
1771         }
1772
1773         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1774                                               socket_id, &local_conf, mp);
1775         if (!ret) {
1776                 if (!dev->data->min_rx_buf_size ||
1777                     dev->data->min_rx_buf_size > mbp_buf_size)
1778                         dev->data->min_rx_buf_size = mbp_buf_size;
1779         }
1780
1781         return eth_err(port_id, ret);
1782 }
1783
1784 int
1785 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1786                                uint16_t nb_rx_desc,
1787                                const struct rte_eth_hairpin_conf *conf)
1788 {
1789         int ret;
1790         struct rte_eth_dev *dev;
1791         struct rte_eth_hairpin_cap cap;
1792         void **rxq;
1793         int i;
1794         int count;
1795
1796         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1797
1798         dev = &rte_eth_devices[port_id];
1799         if (rx_queue_id >= dev->data->nb_rx_queues) {
1800                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1801                 return -EINVAL;
1802         }
1803         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
1804         if (ret != 0)
1805                 return ret;
1806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
1807                                 -ENOTSUP);
1808         /* if nb_rx_desc is zero use max number of desc from the driver. */
1809         if (nb_rx_desc == 0)
1810                 nb_rx_desc = cap.max_nb_desc;
1811         if (nb_rx_desc > cap.max_nb_desc) {
1812                 RTE_ETHDEV_LOG(ERR,
1813                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
1814                         nb_rx_desc, cap.max_nb_desc);
1815                 return -EINVAL;
1816         }
1817         if (conf->peer_count > cap.max_rx_2_tx) {
1818                 RTE_ETHDEV_LOG(ERR,
1819                         "Invalid value for number of peers for Rx queue(=%hu), should be: <= %hu",
1820                         conf->peer_count, cap.max_rx_2_tx);
1821                 return -EINVAL;
1822         }
1823         if (conf->peer_count == 0) {
1824                 RTE_ETHDEV_LOG(ERR,
1825                         "Invalid value for number of peers for Rx queue(=%hu), should be: > 0",
1826                         conf->peer_count);
1827                 return -EINVAL;
1828         }
1829         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
1830              cap.max_nb_queues != UINT16_MAX; i++) {
1831                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
1832                         count++;
1833         }
1834         if (count > cap.max_nb_queues) {
1835                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
1836                 cap.max_nb_queues);
1837                 return -EINVAL;
1838         }
1839         if (dev->data->dev_started)
1840                 return -EBUSY;
1841         rxq = dev->data->rx_queues;
1842         if (rxq[rx_queue_id] != NULL) {
1843                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1844                                         -ENOTSUP);
1845                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1846                 rxq[rx_queue_id] = NULL;
1847         }
1848         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
1849                                                       nb_rx_desc, conf);
1850         if (ret == 0)
1851                 dev->data->rx_queue_state[rx_queue_id] =
1852                         RTE_ETH_QUEUE_STATE_HAIRPIN;
1853         return eth_err(port_id, ret);
1854 }
1855
1856 int
1857 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1858                        uint16_t nb_tx_desc, unsigned int socket_id,
1859                        const struct rte_eth_txconf *tx_conf)
1860 {
1861         struct rte_eth_dev *dev;
1862         struct rte_eth_dev_info dev_info;
1863         struct rte_eth_txconf local_conf;
1864         void **txq;
1865         int ret;
1866
1867         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1868
1869         dev = &rte_eth_devices[port_id];
1870         if (tx_queue_id >= dev->data->nb_tx_queues) {
1871                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1872                 return -EINVAL;
1873         }
1874
1875         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1876
1877         ret = rte_eth_dev_info_get(port_id, &dev_info);
1878         if (ret != 0)
1879                 return ret;
1880
1881         /* Use default specified by driver, if nb_tx_desc is zero */
1882         if (nb_tx_desc == 0) {
1883                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1884                 /* If driver default is zero, fall back on EAL default */
1885                 if (nb_tx_desc == 0)
1886                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1887         }
1888         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1889             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1890             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1891                 RTE_ETHDEV_LOG(ERR,
1892                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
1893                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1894                         dev_info.tx_desc_lim.nb_min,
1895                         dev_info.tx_desc_lim.nb_align);
1896                 return -EINVAL;
1897         }
1898
1899         if (dev->data->dev_started &&
1900                 !(dev_info.dev_capa &
1901                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1902                 return -EBUSY;
1903
1904         if (dev->data->dev_started &&
1905                 (dev->data->tx_queue_state[tx_queue_id] !=
1906                         RTE_ETH_QUEUE_STATE_STOPPED))
1907                 return -EBUSY;
1908
1909         txq = dev->data->tx_queues;
1910         if (txq[tx_queue_id]) {
1911                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1912                                         -ENOTSUP);
1913                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1914                 txq[tx_queue_id] = NULL;
1915         }
1916
1917         if (tx_conf == NULL)
1918                 tx_conf = &dev_info.default_txconf;
1919
1920         local_conf = *tx_conf;
1921
1922         /*
1923          * If an offloading has already been enabled in
1924          * rte_eth_dev_configure(), it has been enabled on all queues,
1925          * so there is no need to enable it in this queue again.
1926          * The local_conf.offloads input to underlying PMD only carries
1927          * those offloadings which are only enabled on this queue and
1928          * not enabled on all queues.
1929          */
1930         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1931
1932         /*
1933          * New added offloadings for this queue are those not enabled in
1934          * rte_eth_dev_configure() and they must be per-queue type.
1935          * A pure per-port offloading can't be enabled on a queue while
1936          * disabled on another queue. A pure per-port offloading can't
1937          * be enabled for any queue as new added one if it hasn't been
1938          * enabled in rte_eth_dev_configure().
1939          */
1940         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1941              local_conf.offloads) {
1942                 RTE_ETHDEV_LOG(ERR,
1943                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1944                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
1945                         port_id, tx_queue_id, local_conf.offloads,
1946                         dev_info.tx_queue_offload_capa,
1947                         __func__);
1948                 return -EINVAL;
1949         }
1950
1951         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1952                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1953 }
1954
1955 int
1956 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1957                                uint16_t nb_tx_desc,
1958                                const struct rte_eth_hairpin_conf *conf)
1959 {
1960         struct rte_eth_dev *dev;
1961         struct rte_eth_hairpin_cap cap;
1962         void **txq;
1963         int i;
1964         int count;
1965         int ret;
1966
1967         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1968         dev = &rte_eth_devices[port_id];
1969         if (tx_queue_id >= dev->data->nb_tx_queues) {
1970                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1971                 return -EINVAL;
1972         }
1973         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
1974         if (ret != 0)
1975                 return ret;
1976         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
1977                                 -ENOTSUP);
1978         /* if nb_rx_desc is zero use max number of desc from the driver. */
1979         if (nb_tx_desc == 0)
1980                 nb_tx_desc = cap.max_nb_desc;
1981         if (nb_tx_desc > cap.max_nb_desc) {
1982                 RTE_ETHDEV_LOG(ERR,
1983                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
1984                         nb_tx_desc, cap.max_nb_desc);
1985                 return -EINVAL;
1986         }
1987         if (conf->peer_count > cap.max_tx_2_rx) {
1988                 RTE_ETHDEV_LOG(ERR,
1989                         "Invalid value for number of peers for Tx queue(=%hu), should be: <= %hu",
1990                         conf->peer_count, cap.max_tx_2_rx);
1991                 return -EINVAL;
1992         }
1993         if (conf->peer_count == 0) {
1994                 RTE_ETHDEV_LOG(ERR,
1995                         "Invalid value for number of peers for Tx queue(=%hu), should be: > 0",
1996                         conf->peer_count);
1997                 return -EINVAL;
1998         }
1999         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2000              cap.max_nb_queues != UINT16_MAX; i++) {
2001                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2002                         count++;
2003         }
2004         if (count > cap.max_nb_queues) {
2005                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2006                 cap.max_nb_queues);
2007                 return -EINVAL;
2008         }
2009         if (dev->data->dev_started)
2010                 return -EBUSY;
2011         txq = dev->data->tx_queues;
2012         if (txq[tx_queue_id] != NULL) {
2013                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
2014                                         -ENOTSUP);
2015                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
2016                 txq[tx_queue_id] = NULL;
2017         }
2018         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2019                 (dev, tx_queue_id, nb_tx_desc, conf);
2020         if (ret == 0)
2021                 dev->data->tx_queue_state[tx_queue_id] =
2022                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2023         return eth_err(port_id, ret);
2024 }
2025
2026 void
2027 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2028                 void *userdata __rte_unused)
2029 {
2030         unsigned i;
2031
2032         for (i = 0; i < unsent; i++)
2033                 rte_pktmbuf_free(pkts[i]);
2034 }
2035
2036 void
2037 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2038                 void *userdata)
2039 {
2040         uint64_t *count = userdata;
2041         unsigned i;
2042
2043         for (i = 0; i < unsent; i++)
2044                 rte_pktmbuf_free(pkts[i]);
2045
2046         *count += unsent;
2047 }
2048
2049 int
2050 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2051                 buffer_tx_error_fn cbfn, void *userdata)
2052 {
2053         buffer->error_callback = cbfn;
2054         buffer->error_userdata = userdata;
2055         return 0;
2056 }
2057
2058 int
2059 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2060 {
2061         int ret = 0;
2062
2063         if (buffer == NULL)
2064                 return -EINVAL;
2065
2066         buffer->size = size;
2067         if (buffer->error_callback == NULL) {
2068                 ret = rte_eth_tx_buffer_set_err_callback(
2069                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2070         }
2071
2072         return ret;
2073 }
2074
2075 int
2076 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2077 {
2078         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2079         int ret;
2080
2081         /* Validate Input Data. Bail if not valid or not supported. */
2082         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2083         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2084
2085         /* Call driver to free pending mbufs. */
2086         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2087                                                free_cnt);
2088         return eth_err(port_id, ret);
2089 }
2090
2091 int
2092 rte_eth_promiscuous_enable(uint16_t port_id)
2093 {
2094         struct rte_eth_dev *dev;
2095         int diag = 0;
2096
2097         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2098         dev = &rte_eth_devices[port_id];
2099
2100         if (dev->data->promiscuous == 1)
2101                 return 0;
2102
2103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2104
2105         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2106         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2107
2108         return eth_err(port_id, diag);
2109 }
2110
2111 int
2112 rte_eth_promiscuous_disable(uint16_t port_id)
2113 {
2114         struct rte_eth_dev *dev;
2115         int diag = 0;
2116
2117         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2118         dev = &rte_eth_devices[port_id];
2119
2120         if (dev->data->promiscuous == 0)
2121                 return 0;
2122
2123         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2124
2125         dev->data->promiscuous = 0;
2126         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2127         if (diag != 0)
2128                 dev->data->promiscuous = 1;
2129
2130         return eth_err(port_id, diag);
2131 }
2132
2133 int
2134 rte_eth_promiscuous_get(uint16_t port_id)
2135 {
2136         struct rte_eth_dev *dev;
2137
2138         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2139
2140         dev = &rte_eth_devices[port_id];
2141         return dev->data->promiscuous;
2142 }
2143
2144 int
2145 rte_eth_allmulticast_enable(uint16_t port_id)
2146 {
2147         struct rte_eth_dev *dev;
2148         int diag;
2149
2150         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2151         dev = &rte_eth_devices[port_id];
2152
2153         if (dev->data->all_multicast == 1)
2154                 return 0;
2155
2156         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2157         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2158         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2159
2160         return eth_err(port_id, diag);
2161 }
2162
2163 int
2164 rte_eth_allmulticast_disable(uint16_t port_id)
2165 {
2166         struct rte_eth_dev *dev;
2167         int diag;
2168
2169         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2170         dev = &rte_eth_devices[port_id];
2171
2172         if (dev->data->all_multicast == 0)
2173                 return 0;
2174
2175         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2176         dev->data->all_multicast = 0;
2177         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2178         if (diag != 0)
2179                 dev->data->all_multicast = 1;
2180
2181         return eth_err(port_id, diag);
2182 }
2183
2184 int
2185 rte_eth_allmulticast_get(uint16_t port_id)
2186 {
2187         struct rte_eth_dev *dev;
2188
2189         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2190
2191         dev = &rte_eth_devices[port_id];
2192         return dev->data->all_multicast;
2193 }
2194
2195 int
2196 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2197 {
2198         struct rte_eth_dev *dev;
2199
2200         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2201         dev = &rte_eth_devices[port_id];
2202
2203         if (dev->data->dev_conf.intr_conf.lsc &&
2204             dev->data->dev_started)
2205                 rte_eth_linkstatus_get(dev, eth_link);
2206         else {
2207                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2208                 (*dev->dev_ops->link_update)(dev, 1);
2209                 *eth_link = dev->data->dev_link;
2210         }
2211
2212         return 0;
2213 }
2214
2215 int
2216 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2217 {
2218         struct rte_eth_dev *dev;
2219
2220         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2221         dev = &rte_eth_devices[port_id];
2222
2223         if (dev->data->dev_conf.intr_conf.lsc &&
2224             dev->data->dev_started)
2225                 rte_eth_linkstatus_get(dev, eth_link);
2226         else {
2227                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2228                 (*dev->dev_ops->link_update)(dev, 0);
2229                 *eth_link = dev->data->dev_link;
2230         }
2231
2232         return 0;
2233 }
2234
2235 int
2236 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2237 {
2238         struct rte_eth_dev *dev;
2239
2240         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2241
2242         dev = &rte_eth_devices[port_id];
2243         memset(stats, 0, sizeof(*stats));
2244
2245         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2246         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2247         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2248 }
2249
2250 int
2251 rte_eth_stats_reset(uint16_t port_id)
2252 {
2253         struct rte_eth_dev *dev;
2254         int ret;
2255
2256         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2257         dev = &rte_eth_devices[port_id];
2258
2259         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2260         ret = (*dev->dev_ops->stats_reset)(dev);
2261         if (ret != 0)
2262                 return eth_err(port_id, ret);
2263
2264         dev->data->rx_mbuf_alloc_failed = 0;
2265
2266         return 0;
2267 }
2268
2269 static inline int
2270 get_xstats_basic_count(struct rte_eth_dev *dev)
2271 {
2272         uint16_t nb_rxqs, nb_txqs;
2273         int count;
2274
2275         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2276         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2277
2278         count = RTE_NB_STATS;
2279         count += nb_rxqs * RTE_NB_RXQ_STATS;
2280         count += nb_txqs * RTE_NB_TXQ_STATS;
2281
2282         return count;
2283 }
2284
2285 static int
2286 get_xstats_count(uint16_t port_id)
2287 {
2288         struct rte_eth_dev *dev;
2289         int count;
2290
2291         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2292         dev = &rte_eth_devices[port_id];
2293         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
2294                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
2295                                 NULL, 0);
2296                 if (count < 0)
2297                         return eth_err(port_id, count);
2298         }
2299         if (dev->dev_ops->xstats_get_names != NULL) {
2300                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2301                 if (count < 0)
2302                         return eth_err(port_id, count);
2303         } else
2304                 count = 0;
2305
2306
2307         count += get_xstats_basic_count(dev);
2308
2309         return count;
2310 }
2311
2312 int
2313 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2314                 uint64_t *id)
2315 {
2316         int cnt_xstats, idx_xstat;
2317
2318         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2319
2320         if (!id) {
2321                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2322                 return -ENOMEM;
2323         }
2324
2325         if (!xstat_name) {
2326                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2327                 return -ENOMEM;
2328         }
2329
2330         /* Get count */
2331         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2332         if (cnt_xstats  < 0) {
2333                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2334                 return -ENODEV;
2335         }
2336
2337         /* Get id-name lookup table */
2338         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2339
2340         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2341                         port_id, xstats_names, cnt_xstats, NULL)) {
2342                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2343                 return -1;
2344         }
2345
2346         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2347                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2348                         *id = idx_xstat;
2349                         return 0;
2350                 };
2351         }
2352
2353         return -EINVAL;
2354 }
2355
2356 /* retrieve basic stats names */
2357 static int
2358 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2359         struct rte_eth_xstat_name *xstats_names)
2360 {
2361         int cnt_used_entries = 0;
2362         uint32_t idx, id_queue;
2363         uint16_t num_q;
2364
2365         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2366                 strlcpy(xstats_names[cnt_used_entries].name,
2367                         rte_stats_strings[idx].name,
2368                         sizeof(xstats_names[0].name));
2369                 cnt_used_entries++;
2370         }
2371         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2372         for (id_queue = 0; id_queue < num_q; id_queue++) {
2373                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2374                         snprintf(xstats_names[cnt_used_entries].name,
2375                                 sizeof(xstats_names[0].name),
2376                                 "rx_q%u%s",
2377                                 id_queue, rte_rxq_stats_strings[idx].name);
2378                         cnt_used_entries++;
2379                 }
2380
2381         }
2382         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2383         for (id_queue = 0; id_queue < num_q; id_queue++) {
2384                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2385                         snprintf(xstats_names[cnt_used_entries].name,
2386                                 sizeof(xstats_names[0].name),
2387                                 "tx_q%u%s",
2388                                 id_queue, rte_txq_stats_strings[idx].name);
2389                         cnt_used_entries++;
2390                 }
2391         }
2392         return cnt_used_entries;
2393 }
2394
2395 /* retrieve ethdev extended statistics names */
2396 int
2397 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2398         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2399         uint64_t *ids)
2400 {
2401         struct rte_eth_xstat_name *xstats_names_copy;
2402         unsigned int no_basic_stat_requested = 1;
2403         unsigned int no_ext_stat_requested = 1;
2404         unsigned int expected_entries;
2405         unsigned int basic_count;
2406         struct rte_eth_dev *dev;
2407         unsigned int i;
2408         int ret;
2409
2410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2411         dev = &rte_eth_devices[port_id];
2412
2413         basic_count = get_xstats_basic_count(dev);
2414         ret = get_xstats_count(port_id);
2415         if (ret < 0)
2416                 return ret;
2417         expected_entries = (unsigned int)ret;
2418
2419         /* Return max number of stats if no ids given */
2420         if (!ids) {
2421                 if (!xstats_names)
2422                         return expected_entries;
2423                 else if (xstats_names && size < expected_entries)
2424                         return expected_entries;
2425         }
2426
2427         if (ids && !xstats_names)
2428                 return -EINVAL;
2429
2430         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2431                 uint64_t ids_copy[size];
2432
2433                 for (i = 0; i < size; i++) {
2434                         if (ids[i] < basic_count) {
2435                                 no_basic_stat_requested = 0;
2436                                 break;
2437                         }
2438
2439                         /*
2440                          * Convert ids to xstats ids that PMD knows.
2441                          * ids known by user are basic + extended stats.
2442                          */
2443                         ids_copy[i] = ids[i] - basic_count;
2444                 }
2445
2446                 if (no_basic_stat_requested)
2447                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2448                                         xstats_names, ids_copy, size);
2449         }
2450
2451         /* Retrieve all stats */
2452         if (!ids) {
2453                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2454                                 expected_entries);
2455                 if (num_stats < 0 || num_stats > (int)expected_entries)
2456                         return num_stats;
2457                 else
2458                         return expected_entries;
2459         }
2460
2461         xstats_names_copy = calloc(expected_entries,
2462                 sizeof(struct rte_eth_xstat_name));
2463
2464         if (!xstats_names_copy) {
2465                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2466                 return -ENOMEM;
2467         }
2468
2469         if (ids) {
2470                 for (i = 0; i < size; i++) {
2471                         if (ids[i] >= basic_count) {
2472                                 no_ext_stat_requested = 0;
2473                                 break;
2474                         }
2475                 }
2476         }
2477
2478         /* Fill xstats_names_copy structure */
2479         if (ids && no_ext_stat_requested) {
2480                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2481         } else {
2482                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2483                         expected_entries);
2484                 if (ret < 0) {
2485                         free(xstats_names_copy);
2486                         return ret;
2487                 }
2488         }
2489
2490         /* Filter stats */
2491         for (i = 0; i < size; i++) {
2492                 if (ids[i] >= expected_entries) {
2493                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2494                         free(xstats_names_copy);
2495                         return -1;
2496                 }
2497                 xstats_names[i] = xstats_names_copy[ids[i]];
2498         }
2499
2500         free(xstats_names_copy);
2501         return size;
2502 }
2503
2504 int
2505 rte_eth_xstats_get_names(uint16_t port_id,
2506         struct rte_eth_xstat_name *xstats_names,
2507         unsigned int size)
2508 {
2509         struct rte_eth_dev *dev;
2510         int cnt_used_entries;
2511         int cnt_expected_entries;
2512         int cnt_driver_entries;
2513
2514         cnt_expected_entries = get_xstats_count(port_id);
2515         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2516                         (int)size < cnt_expected_entries)
2517                 return cnt_expected_entries;
2518
2519         /* port_id checked in get_xstats_count() */
2520         dev = &rte_eth_devices[port_id];
2521
2522         cnt_used_entries = rte_eth_basic_stats_get_names(
2523                 dev, xstats_names);
2524
2525         if (dev->dev_ops->xstats_get_names != NULL) {
2526                 /* If there are any driver-specific xstats, append them
2527                  * to end of list.
2528                  */
2529                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2530                         dev,
2531                         xstats_names + cnt_used_entries,
2532                         size - cnt_used_entries);
2533                 if (cnt_driver_entries < 0)
2534                         return eth_err(port_id, cnt_driver_entries);
2535                 cnt_used_entries += cnt_driver_entries;
2536         }
2537
2538         return cnt_used_entries;
2539 }
2540
2541
2542 static int
2543 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2544 {
2545         struct rte_eth_dev *dev;
2546         struct rte_eth_stats eth_stats;
2547         unsigned int count = 0, i, q;
2548         uint64_t val, *stats_ptr;
2549         uint16_t nb_rxqs, nb_txqs;
2550         int ret;
2551
2552         ret = rte_eth_stats_get(port_id, &eth_stats);
2553         if (ret < 0)
2554                 return ret;
2555
2556         dev = &rte_eth_devices[port_id];
2557
2558         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2559         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2560
2561         /* global stats */
2562         for (i = 0; i < RTE_NB_STATS; i++) {
2563                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2564                                         rte_stats_strings[i].offset);
2565                 val = *stats_ptr;
2566                 xstats[count++].value = val;
2567         }
2568
2569         /* per-rxq stats */
2570         for (q = 0; q < nb_rxqs; q++) {
2571                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2572                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2573                                         rte_rxq_stats_strings[i].offset +
2574                                         q * sizeof(uint64_t));
2575                         val = *stats_ptr;
2576                         xstats[count++].value = val;
2577                 }
2578         }
2579
2580         /* per-txq stats */
2581         for (q = 0; q < nb_txqs; q++) {
2582                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2583                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2584                                         rte_txq_stats_strings[i].offset +
2585                                         q * sizeof(uint64_t));
2586                         val = *stats_ptr;
2587                         xstats[count++].value = val;
2588                 }
2589         }
2590         return count;
2591 }
2592
2593 /* retrieve ethdev extended statistics */
2594 int
2595 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2596                          uint64_t *values, unsigned int size)
2597 {
2598         unsigned int no_basic_stat_requested = 1;
2599         unsigned int no_ext_stat_requested = 1;
2600         unsigned int num_xstats_filled;
2601         unsigned int basic_count;
2602         uint16_t expected_entries;
2603         struct rte_eth_dev *dev;
2604         unsigned int i;
2605         int ret;
2606
2607         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2608         ret = get_xstats_count(port_id);
2609         if (ret < 0)
2610                 return ret;
2611         expected_entries = (uint16_t)ret;
2612         struct rte_eth_xstat xstats[expected_entries];
2613         dev = &rte_eth_devices[port_id];
2614         basic_count = get_xstats_basic_count(dev);
2615
2616         /* Return max number of stats if no ids given */
2617         if (!ids) {
2618                 if (!values)
2619                         return expected_entries;
2620                 else if (values && size < expected_entries)
2621                         return expected_entries;
2622         }
2623
2624         if (ids && !values)
2625                 return -EINVAL;
2626
2627         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2628                 unsigned int basic_count = get_xstats_basic_count(dev);
2629                 uint64_t ids_copy[size];
2630
2631                 for (i = 0; i < size; i++) {
2632                         if (ids[i] < basic_count) {
2633                                 no_basic_stat_requested = 0;
2634                                 break;
2635                         }
2636
2637                         /*
2638                          * Convert ids to xstats ids that PMD knows.
2639                          * ids known by user are basic + extended stats.
2640                          */
2641                         ids_copy[i] = ids[i] - basic_count;
2642                 }
2643
2644                 if (no_basic_stat_requested)
2645                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2646                                         values, size);
2647         }
2648
2649         if (ids) {
2650                 for (i = 0; i < size; i++) {
2651                         if (ids[i] >= basic_count) {
2652                                 no_ext_stat_requested = 0;
2653                                 break;
2654                         }
2655                 }
2656         }
2657
2658         /* Fill the xstats structure */
2659         if (ids && no_ext_stat_requested)
2660                 ret = rte_eth_basic_stats_get(port_id, xstats);
2661         else
2662                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2663
2664         if (ret < 0)
2665                 return ret;
2666         num_xstats_filled = (unsigned int)ret;
2667
2668         /* Return all stats */
2669         if (!ids) {
2670                 for (i = 0; i < num_xstats_filled; i++)
2671                         values[i] = xstats[i].value;
2672                 return expected_entries;
2673         }
2674
2675         /* Filter stats */
2676         for (i = 0; i < size; i++) {
2677                 if (ids[i] >= expected_entries) {
2678                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2679                         return -1;
2680                 }
2681                 values[i] = xstats[ids[i]].value;
2682         }
2683         return size;
2684 }
2685
2686 int
2687 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2688         unsigned int n)
2689 {
2690         struct rte_eth_dev *dev;
2691         unsigned int count = 0, i;
2692         signed int xcount = 0;
2693         uint16_t nb_rxqs, nb_txqs;
2694         int ret;
2695
2696         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2697
2698         dev = &rte_eth_devices[port_id];
2699
2700         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2701         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2702
2703         /* Return generic statistics */
2704         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2705                 (nb_txqs * RTE_NB_TXQ_STATS);
2706
2707         /* implemented by the driver */
2708         if (dev->dev_ops->xstats_get != NULL) {
2709                 /* Retrieve the xstats from the driver at the end of the
2710                  * xstats struct.
2711                  */
2712                 xcount = (*dev->dev_ops->xstats_get)(dev,
2713                                      xstats ? xstats + count : NULL,
2714                                      (n > count) ? n - count : 0);
2715
2716                 if (xcount < 0)
2717                         return eth_err(port_id, xcount);
2718         }
2719
2720         if (n < count + xcount || xstats == NULL)
2721                 return count + xcount;
2722
2723         /* now fill the xstats structure */
2724         ret = rte_eth_basic_stats_get(port_id, xstats);
2725         if (ret < 0)
2726                 return ret;
2727         count = ret;
2728
2729         for (i = 0; i < count; i++)
2730                 xstats[i].id = i;
2731         /* add an offset to driver-specific stats */
2732         for ( ; i < count + xcount; i++)
2733                 xstats[i].id += count;
2734
2735         return count + xcount;
2736 }
2737
2738 /* reset ethdev extended statistics */
2739 int
2740 rte_eth_xstats_reset(uint16_t port_id)
2741 {
2742         struct rte_eth_dev *dev;
2743
2744         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2745         dev = &rte_eth_devices[port_id];
2746
2747         /* implemented by the driver */
2748         if (dev->dev_ops->xstats_reset != NULL)
2749                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
2750
2751         /* fallback to default */
2752         return rte_eth_stats_reset(port_id);
2753 }
2754
2755 static int
2756 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2757                 uint8_t is_rx)
2758 {
2759         struct rte_eth_dev *dev;
2760
2761         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2762
2763         dev = &rte_eth_devices[port_id];
2764
2765         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2766
2767         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2768                 return -EINVAL;
2769
2770         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2771                 return -EINVAL;
2772
2773         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2774                 return -EINVAL;
2775
2776         return (*dev->dev_ops->queue_stats_mapping_set)
2777                         (dev, queue_id, stat_idx, is_rx);
2778 }
2779
2780
2781 int
2782 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2783                 uint8_t stat_idx)
2784 {
2785         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2786                                                 stat_idx, STAT_QMAP_TX));
2787 }
2788
2789
2790 int
2791 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2792                 uint8_t stat_idx)
2793 {
2794         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2795                                                 stat_idx, STAT_QMAP_RX));
2796 }
2797
2798 int
2799 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2800 {
2801         struct rte_eth_dev *dev;
2802
2803         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2804         dev = &rte_eth_devices[port_id];
2805
2806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2807         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2808                                                         fw_version, fw_size));
2809 }
2810
2811 int
2812 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2813 {
2814         struct rte_eth_dev *dev;
2815         const struct rte_eth_desc_lim lim = {
2816                 .nb_max = UINT16_MAX,
2817                 .nb_min = 0,
2818                 .nb_align = 1,
2819                 .nb_seg_max = UINT16_MAX,
2820                 .nb_mtu_seg_max = UINT16_MAX,
2821         };
2822         int diag;
2823
2824         /*
2825          * Init dev_info before port_id check since caller does not have
2826          * return status and does not know if get is successful or not.
2827          */
2828         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2829
2830         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2831         dev = &rte_eth_devices[port_id];
2832
2833         dev_info->rx_desc_lim = lim;
2834         dev_info->tx_desc_lim = lim;
2835         dev_info->device = dev->device;
2836         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2837         dev_info->max_mtu = UINT16_MAX;
2838
2839         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
2840         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2841         if (diag != 0) {
2842                 /* Cleanup already filled in device information */
2843                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2844                 return eth_err(port_id, diag);
2845         }
2846
2847         dev_info->driver_name = dev->device->driver->name;
2848         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2849         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2850
2851         dev_info->dev_flags = &dev->data->dev_flags;
2852
2853         return 0;
2854 }
2855
2856 int
2857 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2858                                  uint32_t *ptypes, int num)
2859 {
2860         int i, j;
2861         struct rte_eth_dev *dev;
2862         const uint32_t *all_ptypes;
2863
2864         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2865         dev = &rte_eth_devices[port_id];
2866         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2867         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2868
2869         if (!all_ptypes)
2870                 return 0;
2871
2872         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2873                 if (all_ptypes[i] & ptype_mask) {
2874                         if (j < num)
2875                                 ptypes[j] = all_ptypes[i];
2876                         j++;
2877                 }
2878
2879         return j;
2880 }
2881
2882 int
2883 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
2884 {
2885         struct rte_eth_dev *dev;
2886
2887         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2888         dev = &rte_eth_devices[port_id];
2889         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2890
2891         return 0;
2892 }
2893
2894
2895 int
2896 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2897 {
2898         struct rte_eth_dev *dev;
2899
2900         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2901
2902         dev = &rte_eth_devices[port_id];
2903         *mtu = dev->data->mtu;
2904         return 0;
2905 }
2906
2907 int
2908 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2909 {
2910         int ret;
2911         struct rte_eth_dev_info dev_info;
2912         struct rte_eth_dev *dev;
2913
2914         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2915         dev = &rte_eth_devices[port_id];
2916         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2917
2918         /*
2919          * Check if the device supports dev_infos_get, if it does not
2920          * skip min_mtu/max_mtu validation here as this requires values
2921          * that are populated within the call to rte_eth_dev_info_get()
2922          * which relies on dev->dev_ops->dev_infos_get.
2923          */
2924         if (*dev->dev_ops->dev_infos_get != NULL) {
2925                 ret = rte_eth_dev_info_get(port_id, &dev_info);
2926                 if (ret != 0)
2927                         return ret;
2928
2929                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
2930                         return -EINVAL;
2931         }
2932
2933         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2934         if (!ret)
2935                 dev->data->mtu = mtu;
2936
2937         return eth_err(port_id, ret);
2938 }
2939
2940 int
2941 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2942 {
2943         struct rte_eth_dev *dev;
2944         int ret;
2945
2946         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2947         dev = &rte_eth_devices[port_id];
2948         if (!(dev->data->dev_conf.rxmode.offloads &
2949               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2950                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2951                         port_id);
2952                 return -ENOSYS;
2953         }
2954
2955         if (vlan_id > 4095) {
2956                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2957                         port_id, vlan_id);
2958                 return -EINVAL;
2959         }
2960         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2961
2962         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2963         if (ret == 0) {
2964                 struct rte_vlan_filter_conf *vfc;
2965                 int vidx;
2966                 int vbit;
2967
2968                 vfc = &dev->data->vlan_filter_conf;
2969                 vidx = vlan_id / 64;
2970                 vbit = vlan_id % 64;
2971
2972                 if (on)
2973                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2974                 else
2975                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2976         }
2977
2978         return eth_err(port_id, ret);
2979 }
2980
2981 int
2982 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2983                                     int on)
2984 {
2985         struct rte_eth_dev *dev;
2986
2987         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2988         dev = &rte_eth_devices[port_id];
2989         if (rx_queue_id >= dev->data->nb_rx_queues) {
2990                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2991                 return -EINVAL;
2992         }
2993
2994         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2995         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2996
2997         return 0;
2998 }
2999
3000 int
3001 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3002                                 enum rte_vlan_type vlan_type,
3003                                 uint16_t tpid)
3004 {
3005         struct rte_eth_dev *dev;
3006
3007         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3008         dev = &rte_eth_devices[port_id];
3009         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3010
3011         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3012                                                                tpid));
3013 }
3014
3015 int
3016 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3017 {
3018         struct rte_eth_dev *dev;
3019         int ret = 0;
3020         int mask = 0;
3021         int cur, org = 0;
3022         uint64_t orig_offloads;
3023         uint64_t *dev_offloads;
3024
3025         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3026         dev = &rte_eth_devices[port_id];
3027
3028         /* save original values in case of failure */
3029         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3030         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3031
3032         /*check which option changed by application*/
3033         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3034         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3035         if (cur != org) {
3036                 if (cur)
3037                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3038                 else
3039                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3040                 mask |= ETH_VLAN_STRIP_MASK;
3041         }
3042
3043         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3044         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3045         if (cur != org) {
3046                 if (cur)
3047                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3048                 else
3049                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3050                 mask |= ETH_VLAN_FILTER_MASK;
3051         }
3052
3053         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3054         org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3055         if (cur != org) {
3056                 if (cur)
3057                         *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3058                 else
3059                         *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3060                 mask |= ETH_VLAN_EXTEND_MASK;
3061         }
3062
3063         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3064         org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3065         if (cur != org) {
3066                 if (cur)
3067                         *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3068                 else
3069                         *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3070                 mask |= ETH_QINQ_STRIP_MASK;
3071         }
3072
3073         /*no change*/
3074         if (mask == 0)
3075                 return ret;
3076
3077         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3078         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3079         if (ret) {
3080                 /* hit an error restore  original values */
3081                 *dev_offloads = orig_offloads;
3082         }
3083
3084         return eth_err(port_id, ret);
3085 }
3086
3087 int
3088 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3089 {
3090         struct rte_eth_dev *dev;
3091         uint64_t *dev_offloads;
3092         int ret = 0;
3093
3094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3095         dev = &rte_eth_devices[port_id];
3096         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3097
3098         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3099                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3100
3101         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3102                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3103
3104         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3105                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3106
3107         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3108                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3109
3110         return ret;
3111 }
3112
3113 int
3114 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3115 {
3116         struct rte_eth_dev *dev;
3117
3118         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3119         dev = &rte_eth_devices[port_id];
3120         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3121
3122         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3123 }
3124
3125 int
3126 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3127 {
3128         struct rte_eth_dev *dev;
3129
3130         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3131         dev = &rte_eth_devices[port_id];
3132         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3133         memset(fc_conf, 0, sizeof(*fc_conf));
3134         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3135 }
3136
3137 int
3138 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3139 {
3140         struct rte_eth_dev *dev;
3141
3142         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3143         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3144                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3145                 return -EINVAL;
3146         }
3147
3148         dev = &rte_eth_devices[port_id];
3149         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3150         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3151 }
3152
3153 int
3154 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3155                                    struct rte_eth_pfc_conf *pfc_conf)
3156 {
3157         struct rte_eth_dev *dev;
3158
3159         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3160         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3161                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3162                 return -EINVAL;
3163         }
3164
3165         dev = &rte_eth_devices[port_id];
3166         /* High water, low water validation are device specific */
3167         if  (*dev->dev_ops->priority_flow_ctrl_set)
3168                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3169                                         (dev, pfc_conf));
3170         return -ENOTSUP;
3171 }
3172
3173 static int
3174 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3175                         uint16_t reta_size)
3176 {
3177         uint16_t i, num;
3178
3179         if (!reta_conf)
3180                 return -EINVAL;
3181
3182         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3183         for (i = 0; i < num; i++) {
3184                 if (reta_conf[i].mask)
3185                         return 0;
3186         }
3187
3188         return -EINVAL;
3189 }
3190
3191 static int
3192 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3193                          uint16_t reta_size,
3194                          uint16_t max_rxq)
3195 {
3196         uint16_t i, idx, shift;
3197
3198         if (!reta_conf)
3199                 return -EINVAL;
3200
3201         if (max_rxq == 0) {
3202                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3203                 return -EINVAL;
3204         }
3205
3206         for (i = 0; i < reta_size; i++) {
3207                 idx = i / RTE_RETA_GROUP_SIZE;
3208                 shift = i % RTE_RETA_GROUP_SIZE;
3209                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3210                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3211                         RTE_ETHDEV_LOG(ERR,
3212                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3213                                 idx, shift,
3214                                 reta_conf[idx].reta[shift], max_rxq);
3215                         return -EINVAL;
3216                 }
3217         }
3218
3219         return 0;
3220 }
3221
3222 int
3223 rte_eth_dev_rss_reta_update(uint16_t port_id,
3224                             struct rte_eth_rss_reta_entry64 *reta_conf,
3225                             uint16_t reta_size)
3226 {
3227         struct rte_eth_dev *dev;
3228         int ret;
3229
3230         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3231         /* Check mask bits */
3232         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3233         if (ret < 0)
3234                 return ret;
3235
3236         dev = &rte_eth_devices[port_id];
3237
3238         /* Check entry value */
3239         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
3240                                 dev->data->nb_rx_queues);
3241         if (ret < 0)
3242                 return ret;
3243
3244         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3245         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3246                                                              reta_size));
3247 }
3248
3249 int
3250 rte_eth_dev_rss_reta_query(uint16_t port_id,
3251                            struct rte_eth_rss_reta_entry64 *reta_conf,
3252                            uint16_t reta_size)
3253 {
3254         struct rte_eth_dev *dev;
3255         int ret;
3256
3257         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3258
3259         /* Check mask bits */
3260         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
3261         if (ret < 0)
3262                 return ret;
3263
3264         dev = &rte_eth_devices[port_id];
3265         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3266         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3267                                                             reta_size));
3268 }
3269
3270 int
3271 rte_eth_dev_rss_hash_update(uint16_t port_id,
3272                             struct rte_eth_rss_conf *rss_conf)
3273 {
3274         struct rte_eth_dev *dev;
3275         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
3276         int ret;
3277
3278         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3279
3280         ret = rte_eth_dev_info_get(port_id, &dev_info);
3281         if (ret != 0)
3282                 return ret;
3283
3284         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
3285
3286         dev = &rte_eth_devices[port_id];
3287         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
3288             dev_info.flow_type_rss_offloads) {
3289                 RTE_ETHDEV_LOG(ERR,
3290                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
3291                         port_id, rss_conf->rss_hf,
3292                         dev_info.flow_type_rss_offloads);
3293                 return -EINVAL;
3294         }
3295         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
3296         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
3297                                                                  rss_conf));
3298 }
3299
3300 int
3301 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
3302                               struct rte_eth_rss_conf *rss_conf)
3303 {
3304         struct rte_eth_dev *dev;
3305
3306         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3307         dev = &rte_eth_devices[port_id];
3308         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
3309         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
3310                                                                    rss_conf));
3311 }
3312
3313 int
3314 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
3315                                 struct rte_eth_udp_tunnel *udp_tunnel)
3316 {
3317         struct rte_eth_dev *dev;
3318
3319         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3320         if (udp_tunnel == NULL) {
3321                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3322                 return -EINVAL;
3323         }
3324
3325         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3326                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3327                 return -EINVAL;
3328         }
3329
3330         dev = &rte_eth_devices[port_id];
3331         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
3332         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
3333                                                                 udp_tunnel));
3334 }
3335
3336 int
3337 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
3338                                    struct rte_eth_udp_tunnel *udp_tunnel)
3339 {
3340         struct rte_eth_dev *dev;
3341
3342         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3343         dev = &rte_eth_devices[port_id];
3344
3345         if (udp_tunnel == NULL) {
3346                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3347                 return -EINVAL;
3348         }
3349
3350         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3351                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3352                 return -EINVAL;
3353         }
3354
3355         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3356         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3357                                                                 udp_tunnel));
3358 }
3359
3360 int
3361 rte_eth_led_on(uint16_t port_id)
3362 {
3363         struct rte_eth_dev *dev;
3364
3365         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3366         dev = &rte_eth_devices[port_id];
3367         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3368         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3369 }
3370
3371 int
3372 rte_eth_led_off(uint16_t port_id)
3373 {
3374         struct rte_eth_dev *dev;
3375
3376         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3377         dev = &rte_eth_devices[port_id];
3378         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3379         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3380 }
3381
3382 /*
3383  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3384  * an empty spot.
3385  */
3386 static int
3387 get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3388 {
3389         struct rte_eth_dev_info dev_info;
3390         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3391         unsigned i;
3392         int ret;
3393
3394         ret = rte_eth_dev_info_get(port_id, &dev_info);
3395         if (ret != 0)
3396                 return -1;
3397
3398         for (i = 0; i < dev_info.max_mac_addrs; i++)
3399                 if (memcmp(addr, &dev->data->mac_addrs[i],
3400                                 RTE_ETHER_ADDR_LEN) == 0)
3401                         return i;
3402
3403         return -1;
3404 }
3405
3406 static const struct rte_ether_addr null_mac_addr;
3407
3408 int
3409 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
3410                         uint32_t pool)
3411 {
3412         struct rte_eth_dev *dev;
3413         int index;
3414         uint64_t pool_mask;
3415         int ret;
3416
3417         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3418         dev = &rte_eth_devices[port_id];
3419         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3420
3421         if (rte_is_zero_ether_addr(addr)) {
3422                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3423                         port_id);
3424                 return -EINVAL;
3425         }
3426         if (pool >= ETH_64_POOLS) {
3427                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3428                 return -EINVAL;
3429         }
3430
3431         index = get_mac_addr_index(port_id, addr);
3432         if (index < 0) {
3433                 index = get_mac_addr_index(port_id, &null_mac_addr);
3434                 if (index < 0) {
3435                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3436                                 port_id);
3437                         return -ENOSPC;
3438                 }
3439         } else {
3440                 pool_mask = dev->data->mac_pool_sel[index];
3441
3442                 /* Check if both MAC address and pool is already there, and do nothing */
3443                 if (pool_mask & (1ULL << pool))
3444                         return 0;
3445         }
3446
3447         /* Update NIC */
3448         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3449
3450         if (ret == 0) {
3451                 /* Update address in NIC data structure */
3452                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3453
3454                 /* Update pool bitmap in NIC data structure */
3455                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3456         }
3457
3458         return eth_err(port_id, ret);
3459 }
3460
3461 int
3462 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
3463 {
3464         struct rte_eth_dev *dev;
3465         int index;
3466
3467         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3468         dev = &rte_eth_devices[port_id];
3469         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3470
3471         index = get_mac_addr_index(port_id, addr);
3472         if (index == 0) {
3473                 RTE_ETHDEV_LOG(ERR,
3474                         "Port %u: Cannot remove default MAC address\n",
3475                         port_id);
3476                 return -EADDRINUSE;
3477         } else if (index < 0)
3478                 return 0;  /* Do nothing if address wasn't found */
3479
3480         /* Update NIC */
3481         (*dev->dev_ops->mac_addr_remove)(dev, index);
3482
3483         /* Update address in NIC data structure */
3484         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3485
3486         /* reset pool bitmap */
3487         dev->data->mac_pool_sel[index] = 0;
3488
3489         return 0;
3490 }
3491
3492 int
3493 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
3494 {
3495         struct rte_eth_dev *dev;
3496         int ret;
3497
3498         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3499
3500         if (!rte_is_valid_assigned_ether_addr(addr))
3501                 return -EINVAL;
3502
3503         dev = &rte_eth_devices[port_id];
3504         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3505
3506         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3507         if (ret < 0)
3508                 return ret;
3509
3510         /* Update default address in NIC data structure */
3511         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3512
3513         return 0;
3514 }
3515
3516
3517 /*
3518  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3519  * an empty spot.
3520  */
3521 static int
3522 get_hash_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
3523 {
3524         struct rte_eth_dev_info dev_info;
3525         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3526         unsigned i;
3527         int ret;
3528
3529         ret = rte_eth_dev_info_get(port_id, &dev_info);
3530         if (ret != 0)
3531                 return -1;
3532
3533         if (!dev->data->hash_mac_addrs)
3534                 return -1;
3535
3536         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3537                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3538                         RTE_ETHER_ADDR_LEN) == 0)
3539                         return i;
3540
3541         return -1;
3542 }
3543
3544 int
3545 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
3546                                 uint8_t on)
3547 {
3548         int index;
3549         int ret;
3550         struct rte_eth_dev *dev;
3551
3552         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3553
3554         dev = &rte_eth_devices[port_id];
3555         if (rte_is_zero_ether_addr(addr)) {
3556                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3557                         port_id);
3558                 return -EINVAL;
3559         }
3560
3561         index = get_hash_mac_addr_index(port_id, addr);
3562         /* Check if it's already there, and do nothing */
3563         if ((index >= 0) && on)
3564                 return 0;
3565
3566         if (index < 0) {
3567                 if (!on) {
3568                         RTE_ETHDEV_LOG(ERR,
3569                                 "Port %u: the MAC address was not set in UTA\n",
3570                                 port_id);
3571                         return -EINVAL;
3572                 }
3573
3574                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3575                 if (index < 0) {
3576                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3577                                 port_id);
3578                         return -ENOSPC;
3579                 }
3580         }
3581
3582         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3583         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3584         if (ret == 0) {
3585                 /* Update address in NIC data structure */
3586                 if (on)
3587                         rte_ether_addr_copy(addr,
3588                                         &dev->data->hash_mac_addrs[index]);
3589                 else
3590                         rte_ether_addr_copy(&null_mac_addr,
3591                                         &dev->data->hash_mac_addrs[index]);
3592         }
3593
3594         return eth_err(port_id, ret);
3595 }
3596
3597 int
3598 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3599 {
3600         struct rte_eth_dev *dev;
3601
3602         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3603
3604         dev = &rte_eth_devices[port_id];
3605
3606         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3607         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3608                                                                        on));
3609 }
3610
3611 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3612                                         uint16_t tx_rate)
3613 {
3614         struct rte_eth_dev *dev;
3615         struct rte_eth_dev_info dev_info;
3616         struct rte_eth_link link;
3617         int ret;
3618
3619         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3620
3621         ret = rte_eth_dev_info_get(port_id, &dev_info);
3622         if (ret != 0)
3623                 return ret;
3624
3625         dev = &rte_eth_devices[port_id];
3626         link = dev->data->dev_link;
3627
3628         if (queue_idx > dev_info.max_tx_queues) {
3629                 RTE_ETHDEV_LOG(ERR,
3630                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3631                         port_id, queue_idx);
3632                 return -EINVAL;
3633         }
3634
3635         if (tx_rate > link.link_speed) {
3636                 RTE_ETHDEV_LOG(ERR,
3637                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3638                         tx_rate, link.link_speed);
3639                 return -EINVAL;
3640         }
3641
3642         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3643         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3644                                                         queue_idx, tx_rate));
3645 }
3646
3647 int
3648 rte_eth_mirror_rule_set(uint16_t port_id,
3649                         struct rte_eth_mirror_conf *mirror_conf,
3650                         uint8_t rule_id, uint8_t on)
3651 {
3652         struct rte_eth_dev *dev;
3653
3654         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3655         if (mirror_conf->rule_type == 0) {
3656                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3657                 return -EINVAL;
3658         }
3659
3660         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3661                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3662                         ETH_64_POOLS - 1);
3663                 return -EINVAL;
3664         }
3665
3666         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3667              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3668             (mirror_conf->pool_mask == 0)) {
3669                 RTE_ETHDEV_LOG(ERR,
3670                         "Invalid mirror pool, pool mask can not be 0\n");
3671                 return -EINVAL;
3672         }
3673
3674         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3675             mirror_conf->vlan.vlan_mask == 0) {
3676                 RTE_ETHDEV_LOG(ERR,
3677                         "Invalid vlan mask, vlan mask can not be 0\n");
3678                 return -EINVAL;
3679         }
3680
3681         dev = &rte_eth_devices[port_id];
3682         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3683
3684         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3685                                                 mirror_conf, rule_id, on));
3686 }
3687
3688 int
3689 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3690 {
3691         struct rte_eth_dev *dev;
3692
3693         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3694
3695         dev = &rte_eth_devices[port_id];
3696         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3697
3698         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3699                                                                    rule_id));
3700 }
3701
3702 RTE_INIT(eth_dev_init_cb_lists)
3703 {
3704         int i;
3705
3706         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3707                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3708 }
3709
3710 int
3711 rte_eth_dev_callback_register(uint16_t port_id,
3712                         enum rte_eth_event_type event,
3713                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3714 {
3715         struct rte_eth_dev *dev;
3716         struct rte_eth_dev_callback *user_cb;
3717         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3718         uint16_t last_port;
3719
3720         if (!cb_fn)
3721                 return -EINVAL;
3722
3723         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3724                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3725                 return -EINVAL;
3726         }
3727
3728         if (port_id == RTE_ETH_ALL) {
3729                 next_port = 0;
3730                 last_port = RTE_MAX_ETHPORTS - 1;
3731         } else {
3732                 next_port = last_port = port_id;
3733         }
3734
3735         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3736
3737         do {
3738                 dev = &rte_eth_devices[next_port];
3739
3740                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3741                         if (user_cb->cb_fn == cb_fn &&
3742                                 user_cb->cb_arg == cb_arg &&
3743                                 user_cb->event == event) {
3744                                 break;
3745                         }
3746                 }
3747
3748                 /* create a new callback. */
3749                 if (user_cb == NULL) {
3750                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3751                                 sizeof(struct rte_eth_dev_callback), 0);
3752                         if (user_cb != NULL) {
3753                                 user_cb->cb_fn = cb_fn;
3754                                 user_cb->cb_arg = cb_arg;
3755                                 user_cb->event = event;
3756                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3757                                                   user_cb, next);
3758                         } else {
3759                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3760                                 rte_eth_dev_callback_unregister(port_id, event,
3761                                                                 cb_fn, cb_arg);
3762                                 return -ENOMEM;
3763                         }
3764
3765                 }
3766         } while (++next_port <= last_port);
3767
3768         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3769         return 0;
3770 }
3771
3772 int
3773 rte_eth_dev_callback_unregister(uint16_t port_id,
3774                         enum rte_eth_event_type event,
3775                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3776 {
3777         int ret;
3778         struct rte_eth_dev *dev;
3779         struct rte_eth_dev_callback *cb, *next;
3780         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3781         uint16_t last_port;
3782
3783         if (!cb_fn)
3784                 return -EINVAL;
3785
3786         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3787                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3788                 return -EINVAL;
3789         }
3790
3791         if (port_id == RTE_ETH_ALL) {
3792                 next_port = 0;
3793                 last_port = RTE_MAX_ETHPORTS - 1;
3794         } else {
3795                 next_port = last_port = port_id;
3796         }
3797
3798         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3799
3800         do {
3801                 dev = &rte_eth_devices[next_port];
3802                 ret = 0;
3803                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3804                      cb = next) {
3805
3806                         next = TAILQ_NEXT(cb, next);
3807
3808                         if (cb->cb_fn != cb_fn || cb->event != event ||
3809                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3810                                 continue;
3811
3812                         /*
3813                          * if this callback is not executing right now,
3814                          * then remove it.
3815                          */
3816                         if (cb->active == 0) {
3817                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3818                                 rte_free(cb);
3819                         } else {
3820                                 ret = -EAGAIN;
3821                         }
3822                 }
3823         } while (++next_port <= last_port);
3824
3825         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3826         return ret;
3827 }
3828
3829 int
3830 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3831         enum rte_eth_event_type event, void *ret_param)
3832 {
3833         struct rte_eth_dev_callback *cb_lst;
3834         struct rte_eth_dev_callback dev_cb;
3835         int rc = 0;
3836
3837         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3838         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3839                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3840                         continue;
3841                 dev_cb = *cb_lst;
3842                 cb_lst->active = 1;
3843                 if (ret_param != NULL)
3844                         dev_cb.ret_param = ret_param;
3845
3846                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3847                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3848                                 dev_cb.cb_arg, dev_cb.ret_param);
3849                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3850                 cb_lst->active = 0;
3851         }
3852         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3853         return rc;
3854 }
3855
3856 void
3857 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3858 {
3859         if (dev == NULL)
3860                 return;
3861
3862         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3863
3864         dev->state = RTE_ETH_DEV_ATTACHED;
3865 }
3866
3867 int
3868 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3869 {
3870         uint32_t vec;
3871         struct rte_eth_dev *dev;
3872         struct rte_intr_handle *intr_handle;
3873         uint16_t qid;
3874         int rc;
3875
3876         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3877
3878         dev = &rte_eth_devices[port_id];
3879
3880         if (!dev->intr_handle) {
3881                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3882                 return -ENOTSUP;
3883         }
3884
3885         intr_handle = dev->intr_handle;
3886         if (!intr_handle->intr_vec) {
3887                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3888                 return -EPERM;
3889         }
3890
3891         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3892                 vec = intr_handle->intr_vec[qid];
3893                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3894                 if (rc && rc != -EEXIST) {
3895                         RTE_ETHDEV_LOG(ERR,
3896                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3897                                 port_id, qid, op, epfd, vec);
3898                 }
3899         }
3900
3901         return 0;
3902 }
3903
3904 int
3905 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3906 {
3907         struct rte_intr_handle *intr_handle;
3908         struct rte_eth_dev *dev;
3909         unsigned int efd_idx;
3910         uint32_t vec;
3911         int fd;
3912
3913         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3914
3915         dev = &rte_eth_devices[port_id];
3916
3917         if (queue_id >= dev->data->nb_rx_queues) {
3918                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3919                 return -1;
3920         }
3921
3922         if (!dev->intr_handle) {
3923                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3924                 return -1;
3925         }
3926
3927         intr_handle = dev->intr_handle;
3928         if (!intr_handle->intr_vec) {
3929                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3930                 return -1;
3931         }
3932
3933         vec = intr_handle->intr_vec[queue_id];
3934         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3935                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3936         fd = intr_handle->efds[efd_idx];
3937
3938         return fd;
3939 }
3940
3941 const struct rte_memzone *
3942 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3943                          uint16_t queue_id, size_t size, unsigned align,
3944                          int socket_id)
3945 {
3946         char z_name[RTE_MEMZONE_NAMESIZE];
3947         const struct rte_memzone *mz;
3948         int rc;
3949
3950         rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3951                       dev->data->port_id, queue_id, ring_name);
3952         if (rc >= RTE_MEMZONE_NAMESIZE) {
3953                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
3954                 rte_errno = ENAMETOOLONG;
3955                 return NULL;
3956         }
3957
3958         mz = rte_memzone_lookup(z_name);
3959         if (mz)
3960                 return mz;
3961
3962         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3963                         RTE_MEMZONE_IOVA_CONTIG, align);
3964 }
3965
3966 int
3967 rte_eth_dev_create(struct rte_device *device, const char *name,
3968         size_t priv_data_size,
3969         ethdev_bus_specific_init ethdev_bus_specific_init,
3970         void *bus_init_params,
3971         ethdev_init_t ethdev_init, void *init_params)
3972 {
3973         struct rte_eth_dev *ethdev;
3974         int retval;
3975
3976         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3977
3978         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3979                 ethdev = rte_eth_dev_allocate(name);
3980                 if (!ethdev)
3981                         return -ENODEV;
3982
3983                 if (priv_data_size) {
3984                         ethdev->data->dev_private = rte_zmalloc_socket(
3985                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3986                                 device->numa_node);
3987
3988                         if (!ethdev->data->dev_private) {
3989                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3990                                 retval = -ENOMEM;
3991                                 goto probe_failed;
3992                         }
3993                 }
3994         } else {
3995                 ethdev = rte_eth_dev_attach_secondary(name);
3996                 if (!ethdev) {
3997                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3998                                 "ethdev doesn't exist");
3999                         return  -ENODEV;
4000                 }
4001         }
4002
4003         ethdev->device = device;
4004
4005         if (ethdev_bus_specific_init) {
4006                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4007                 if (retval) {
4008                         RTE_LOG(ERR, EAL,
4009                                 "ethdev bus specific initialisation failed");
4010                         goto probe_failed;
4011                 }
4012         }
4013
4014         retval = ethdev_init(ethdev, init_params);
4015         if (retval) {
4016                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
4017                 goto probe_failed;
4018         }
4019
4020         rte_eth_dev_probing_finish(ethdev);
4021
4022         return retval;
4023
4024 probe_failed:
4025         rte_eth_dev_release_port(ethdev);
4026         return retval;
4027 }
4028
4029 int
4030 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4031         ethdev_uninit_t ethdev_uninit)
4032 {
4033         int ret;
4034
4035         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4036         if (!ethdev)
4037                 return -ENODEV;
4038
4039         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4040
4041         ret = ethdev_uninit(ethdev);
4042         if (ret)
4043                 return ret;
4044
4045         return rte_eth_dev_release_port(ethdev);
4046 }
4047
4048 int
4049 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4050                           int epfd, int op, void *data)
4051 {
4052         uint32_t vec;
4053         struct rte_eth_dev *dev;
4054         struct rte_intr_handle *intr_handle;
4055         int rc;
4056
4057         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4058
4059         dev = &rte_eth_devices[port_id];
4060         if (queue_id >= dev->data->nb_rx_queues) {
4061                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4062                 return -EINVAL;
4063         }
4064
4065         if (!dev->intr_handle) {
4066                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4067                 return -ENOTSUP;
4068         }
4069
4070         intr_handle = dev->intr_handle;
4071         if (!intr_handle->intr_vec) {
4072                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4073                 return -EPERM;
4074         }
4075
4076         vec = intr_handle->intr_vec[queue_id];
4077         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4078         if (rc && rc != -EEXIST) {
4079                 RTE_ETHDEV_LOG(ERR,
4080                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4081                         port_id, queue_id, op, epfd, vec);
4082                 return rc;
4083         }
4084
4085         return 0;
4086 }
4087
4088 int
4089 rte_eth_dev_rx_intr_enable(uint16_t port_id,
4090                            uint16_t queue_id)
4091 {
4092         struct rte_eth_dev *dev;
4093
4094         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4095
4096         dev = &rte_eth_devices[port_id];
4097
4098         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
4099         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
4100                                                                 queue_id));
4101 }
4102
4103 int
4104 rte_eth_dev_rx_intr_disable(uint16_t port_id,
4105                             uint16_t queue_id)
4106 {
4107         struct rte_eth_dev *dev;
4108
4109         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4110
4111         dev = &rte_eth_devices[port_id];
4112
4113         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
4114         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
4115                                                                 queue_id));
4116 }
4117
4118
4119 int
4120 rte_eth_dev_filter_supported(uint16_t port_id,
4121                              enum rte_filter_type filter_type)
4122 {
4123         struct rte_eth_dev *dev;
4124
4125         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4126
4127         dev = &rte_eth_devices[port_id];
4128         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
4129         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
4130                                 RTE_ETH_FILTER_NOP, NULL);
4131 }
4132
4133 int
4134 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
4135                         enum rte_filter_op filter_op, void *arg)
4136 {
4137         struct rte_eth_dev *dev;
4138
4139         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4140
4141         dev = &rte_eth_devices[port_id];
4142         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
4143         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
4144                                                              filter_op, arg));
4145 }
4146
4147 const struct rte_eth_rxtx_callback *
4148 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
4149                 rte_rx_callback_fn fn, void *user_param)
4150 {
4151 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4152         rte_errno = ENOTSUP;
4153         return NULL;
4154 #endif
4155         struct rte_eth_dev *dev;
4156
4157         /* check input parameters */
4158         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4159                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4160                 rte_errno = EINVAL;
4161                 return NULL;
4162         }
4163         dev = &rte_eth_devices[port_id];
4164         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4165                 rte_errno = EINVAL;
4166                 return NULL;
4167         }
4168         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4169
4170         if (cb == NULL) {
4171                 rte_errno = ENOMEM;
4172                 return NULL;
4173         }
4174
4175         cb->fn.rx = fn;
4176         cb->param = user_param;
4177
4178         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4179         /* Add the callbacks in fifo order. */
4180         struct rte_eth_rxtx_callback *tail =
4181                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4182
4183         if (!tail) {
4184                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4185
4186         } else {
4187                 while (tail->next)
4188                         tail = tail->next;
4189                 tail->next = cb;
4190         }
4191         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4192
4193         return cb;
4194 }
4195
4196 const struct rte_eth_rxtx_callback *
4197 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
4198                 rte_rx_callback_fn fn, void *user_param)
4199 {
4200 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4201         rte_errno = ENOTSUP;
4202         return NULL;
4203 #endif
4204         /* check input parameters */
4205         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4206                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4207                 rte_errno = EINVAL;
4208                 return NULL;
4209         }
4210
4211         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4212
4213         if (cb == NULL) {
4214                 rte_errno = ENOMEM;
4215                 return NULL;
4216         }
4217
4218         cb->fn.rx = fn;
4219         cb->param = user_param;
4220
4221         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4222         /* Add the callbacks at fisrt position*/
4223         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4224         rte_smp_wmb();
4225         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
4226         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4227
4228         return cb;
4229 }
4230
4231 const struct rte_eth_rxtx_callback *
4232 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
4233                 rte_tx_callback_fn fn, void *user_param)
4234 {
4235 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4236         rte_errno = ENOTSUP;
4237         return NULL;
4238 #endif
4239         struct rte_eth_dev *dev;
4240
4241         /* check input parameters */
4242         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4243                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
4244                 rte_errno = EINVAL;
4245                 return NULL;
4246         }
4247
4248         dev = &rte_eth_devices[port_id];
4249         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4250                 rte_errno = EINVAL;
4251                 return NULL;
4252         }
4253
4254         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4255
4256         if (cb == NULL) {
4257                 rte_errno = ENOMEM;
4258                 return NULL;
4259         }
4260
4261         cb->fn.tx = fn;
4262         cb->param = user_param;
4263
4264         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4265         /* Add the callbacks in fifo order. */
4266         struct rte_eth_rxtx_callback *tail =
4267                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
4268
4269         if (!tail) {
4270                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
4271
4272         } else {
4273                 while (tail->next)
4274                         tail = tail->next;
4275                 tail->next = cb;
4276         }
4277         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4278
4279         return cb;
4280 }
4281
4282 int
4283 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
4284                 const struct rte_eth_rxtx_callback *user_cb)
4285 {
4286 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4287         return -ENOTSUP;
4288 #endif
4289         /* Check input parameters. */
4290         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4291         if (user_cb == NULL ||
4292                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
4293                 return -EINVAL;
4294
4295         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4296         struct rte_eth_rxtx_callback *cb;
4297         struct rte_eth_rxtx_callback **prev_cb;
4298         int ret = -EINVAL;
4299
4300         rte_spinlock_lock(&rte_eth_rx_cb_lock);
4301         prev_cb = &dev->post_rx_burst_cbs[queue_id];
4302         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4303                 cb = *prev_cb;
4304                 if (cb == user_cb) {
4305                         /* Remove the user cb from the callback list. */
4306                         *prev_cb = cb->next;
4307                         ret = 0;
4308                         break;
4309                 }
4310         }
4311         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
4312
4313         return ret;
4314 }
4315
4316 int
4317 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
4318                 const struct rte_eth_rxtx_callback *user_cb)
4319 {
4320 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4321         return -ENOTSUP;
4322 #endif
4323         /* Check input parameters. */
4324         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4325         if (user_cb == NULL ||
4326                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
4327                 return -EINVAL;
4328
4329         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4330         int ret = -EINVAL;
4331         struct rte_eth_rxtx_callback *cb;
4332         struct rte_eth_rxtx_callback **prev_cb;
4333
4334         rte_spinlock_lock(&rte_eth_tx_cb_lock);
4335         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
4336         for (; *prev_cb != NULL; prev_cb = &cb->next) {
4337                 cb = *prev_cb;
4338                 if (cb == user_cb) {
4339                         /* Remove the user cb from the callback list. */
4340                         *prev_cb = cb->next;
4341                         ret = 0;
4342                         break;
4343                 }
4344         }
4345         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
4346
4347         return ret;
4348 }
4349
4350 int
4351 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4352         struct rte_eth_rxq_info *qinfo)
4353 {
4354         struct rte_eth_dev *dev;
4355
4356         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4357
4358         if (qinfo == NULL)
4359                 return -EINVAL;
4360
4361         dev = &rte_eth_devices[port_id];
4362         if (queue_id >= dev->data->nb_rx_queues) {
4363                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4364                 return -EINVAL;
4365         }
4366
4367         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4368                 RTE_ETHDEV_LOG(INFO,
4369                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
4370                         queue_id, port_id);
4371                 return -EINVAL;
4372         }
4373
4374         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
4375
4376         memset(qinfo, 0, sizeof(*qinfo));
4377         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
4378         return 0;
4379 }
4380
4381 int
4382 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
4383         struct rte_eth_txq_info *qinfo)
4384 {
4385         struct rte_eth_dev *dev;
4386
4387         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4388
4389         if (qinfo == NULL)
4390                 return -EINVAL;
4391
4392         dev = &rte_eth_devices[port_id];
4393         if (queue_id >= dev->data->nb_tx_queues) {
4394                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4395                 return -EINVAL;
4396         }
4397
4398         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
4399                 RTE_ETHDEV_LOG(INFO,
4400                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
4401                         queue_id, port_id);
4402                 return -EINVAL;
4403         }
4404
4405         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4406
4407         memset(qinfo, 0, sizeof(*qinfo));
4408         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4409
4410         return 0;
4411 }
4412
4413 int
4414 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4415                           struct rte_eth_burst_mode *mode)
4416 {
4417         struct rte_eth_dev *dev;
4418
4419         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4420
4421         if (mode == NULL)
4422                 return -EINVAL;
4423
4424         dev = &rte_eth_devices[port_id];
4425
4426         if (queue_id >= dev->data->nb_rx_queues) {
4427                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4428                 return -EINVAL;
4429         }
4430
4431         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
4432         memset(mode, 0, sizeof(*mode));
4433         return eth_err(port_id,
4434                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
4435 }
4436
4437 int
4438 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
4439                           struct rte_eth_burst_mode *mode)
4440 {
4441         struct rte_eth_dev *dev;
4442
4443         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4444
4445         if (mode == NULL)
4446                 return -EINVAL;
4447
4448         dev = &rte_eth_devices[port_id];
4449
4450         if (queue_id >= dev->data->nb_tx_queues) {
4451                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4452                 return -EINVAL;
4453         }
4454
4455         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
4456         memset(mode, 0, sizeof(*mode));
4457         return eth_err(port_id,
4458                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
4459 }
4460
4461 int
4462 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4463                              struct rte_ether_addr *mc_addr_set,
4464                              uint32_t nb_mc_addr)
4465 {
4466         struct rte_eth_dev *dev;
4467
4468         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4469
4470         dev = &rte_eth_devices[port_id];
4471         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4472         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4473                                                 mc_addr_set, nb_mc_addr));
4474 }
4475
4476 int
4477 rte_eth_timesync_enable(uint16_t port_id)
4478 {
4479         struct rte_eth_dev *dev;
4480
4481         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4482         dev = &rte_eth_devices[port_id];
4483
4484         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4485         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4486 }
4487
4488 int
4489 rte_eth_timesync_disable(uint16_t port_id)
4490 {
4491         struct rte_eth_dev *dev;
4492
4493         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4494         dev = &rte_eth_devices[port_id];
4495
4496         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4497         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4498 }
4499
4500 int
4501 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4502                                    uint32_t flags)
4503 {
4504         struct rte_eth_dev *dev;
4505
4506         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4507         dev = &rte_eth_devices[port_id];
4508
4509         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4510         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4511                                 (dev, timestamp, flags));
4512 }
4513
4514 int
4515 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4516                                    struct timespec *timestamp)
4517 {
4518         struct rte_eth_dev *dev;
4519
4520         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4521         dev = &rte_eth_devices[port_id];
4522
4523         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4524         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4525                                 (dev, timestamp));
4526 }
4527
4528 int
4529 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4530 {
4531         struct rte_eth_dev *dev;
4532
4533         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4534         dev = &rte_eth_devices[port_id];
4535
4536         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4537         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4538                                                                       delta));
4539 }
4540
4541 int
4542 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4543 {
4544         struct rte_eth_dev *dev;
4545
4546         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4547         dev = &rte_eth_devices[port_id];
4548
4549         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4550         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4551                                                                 timestamp));
4552 }
4553
4554 int
4555 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4556 {
4557         struct rte_eth_dev *dev;
4558
4559         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4560         dev = &rte_eth_devices[port_id];
4561
4562         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4563         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4564                                                                 timestamp));
4565 }
4566
4567 int
4568 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
4569 {
4570         struct rte_eth_dev *dev;
4571
4572         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4573         dev = &rte_eth_devices[port_id];
4574
4575         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
4576         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
4577 }
4578
4579 int
4580 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4581 {
4582         struct rte_eth_dev *dev;
4583
4584         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4585
4586         dev = &rte_eth_devices[port_id];
4587         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4588         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4589 }
4590
4591 int
4592 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4593 {
4594         struct rte_eth_dev *dev;
4595
4596         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4597
4598         dev = &rte_eth_devices[port_id];
4599         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4600         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4601 }
4602
4603 int
4604 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4605 {
4606         struct rte_eth_dev *dev;
4607
4608         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4609
4610         dev = &rte_eth_devices[port_id];
4611         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4612         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4613 }
4614
4615 int
4616 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4617 {
4618         struct rte_eth_dev *dev;
4619
4620         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4621
4622         dev = &rte_eth_devices[port_id];
4623         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4624         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4625 }
4626
4627 int
4628 rte_eth_dev_get_module_info(uint16_t port_id,
4629                             struct rte_eth_dev_module_info *modinfo)
4630 {
4631         struct rte_eth_dev *dev;
4632
4633         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4634
4635         dev = &rte_eth_devices[port_id];
4636         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4637         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4638 }
4639
4640 int
4641 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4642                               struct rte_dev_eeprom_info *info)
4643 {
4644         struct rte_eth_dev *dev;
4645
4646         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4647
4648         dev = &rte_eth_devices[port_id];
4649         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4650         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4651 }
4652
4653 int
4654 rte_eth_dev_get_dcb_info(uint16_t port_id,
4655                              struct rte_eth_dcb_info *dcb_info)
4656 {
4657         struct rte_eth_dev *dev;
4658
4659         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4660
4661         dev = &rte_eth_devices[port_id];
4662         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4663
4664         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4665         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4666 }
4667
4668 int
4669 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4670                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4671 {
4672         struct rte_eth_dev *dev;
4673
4674         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4675         if (l2_tunnel == NULL) {
4676                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4677                 return -EINVAL;
4678         }
4679
4680         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4681                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4682                 return -EINVAL;
4683         }
4684
4685         dev = &rte_eth_devices[port_id];
4686         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4687                                 -ENOTSUP);
4688         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4689                                                                 l2_tunnel));
4690 }
4691
4692 int
4693 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4694                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4695                                   uint32_t mask,
4696                                   uint8_t en)
4697 {
4698         struct rte_eth_dev *dev;
4699
4700         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4701
4702         if (l2_tunnel == NULL) {
4703                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4704                 return -EINVAL;
4705         }
4706
4707         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4708                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4709                 return -EINVAL;
4710         }
4711
4712         if (mask == 0) {
4713                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4714                 return -EINVAL;
4715         }
4716
4717         dev = &rte_eth_devices[port_id];
4718         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4719                                 -ENOTSUP);
4720         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4721                                                         l2_tunnel, mask, en));
4722 }
4723
4724 static void
4725 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4726                            const struct rte_eth_desc_lim *desc_lim)
4727 {
4728         if (desc_lim->nb_align != 0)
4729                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4730
4731         if (desc_lim->nb_max != 0)
4732                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4733
4734         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4735 }
4736
4737 int
4738 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4739                                  uint16_t *nb_rx_desc,
4740                                  uint16_t *nb_tx_desc)
4741 {
4742         struct rte_eth_dev_info dev_info;
4743         int ret;
4744
4745         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4746
4747         ret = rte_eth_dev_info_get(port_id, &dev_info);
4748         if (ret != 0)
4749                 return ret;
4750
4751         if (nb_rx_desc != NULL)
4752                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4753
4754         if (nb_tx_desc != NULL)
4755                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4756
4757         return 0;
4758 }
4759
4760 int
4761 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
4762                                    struct rte_eth_hairpin_cap *cap)
4763 {
4764         struct rte_eth_dev *dev;
4765
4766         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
4767
4768         dev = &rte_eth_devices[port_id];
4769         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
4770         memset(cap, 0, sizeof(*cap));
4771         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
4772 }
4773
4774 int
4775 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
4776 {
4777         if (dev->data->rx_queue_state[queue_id] ==
4778             RTE_ETH_QUEUE_STATE_HAIRPIN)
4779                 return 1;
4780         return 0;
4781 }
4782
4783 int
4784 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
4785 {
4786         if (dev->data->tx_queue_state[queue_id] ==
4787             RTE_ETH_QUEUE_STATE_HAIRPIN)
4788                 return 1;
4789         return 0;
4790 }
4791
4792 int
4793 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4794 {
4795         struct rte_eth_dev *dev;
4796
4797         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4798
4799         if (pool == NULL)
4800                 return -EINVAL;
4801
4802         dev = &rte_eth_devices[port_id];
4803
4804         if (*dev->dev_ops->pool_ops_supported == NULL)
4805                 return 1; /* all pools are supported */
4806
4807         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4808 }
4809
4810 /**
4811  * A set of values to describe the possible states of a switch domain.
4812  */
4813 enum rte_eth_switch_domain_state {
4814         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4815         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4816 };
4817
4818 /**
4819  * Array of switch domains available for allocation. Array is sized to
4820  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4821  * ethdev ports in a single process.
4822  */
4823 static struct rte_eth_dev_switch {
4824         enum rte_eth_switch_domain_state state;
4825 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4826
4827 int
4828 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4829 {
4830         unsigned int i;
4831
4832         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4833
4834         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4835                 i < RTE_MAX_ETHPORTS; i++) {
4836                 if (rte_eth_switch_domains[i].state ==
4837                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4838                         rte_eth_switch_domains[i].state =
4839                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4840                         *domain_id = i;
4841                         return 0;
4842                 }
4843         }
4844
4845         return -ENOSPC;
4846 }
4847
4848 int
4849 rte_eth_switch_domain_free(uint16_t domain_id)
4850 {
4851         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4852                 domain_id >= RTE_MAX_ETHPORTS)
4853                 return -EINVAL;
4854
4855         if (rte_eth_switch_domains[domain_id].state !=
4856                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4857                 return -EINVAL;
4858
4859         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4860
4861         return 0;
4862 }
4863
4864 static int
4865 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4866 {
4867         int state;
4868         struct rte_kvargs_pair *pair;
4869         char *letter;
4870
4871         arglist->str = strdup(str_in);
4872         if (arglist->str == NULL)
4873                 return -ENOMEM;
4874
4875         letter = arglist->str;
4876         state = 0;
4877         arglist->count = 0;
4878         pair = &arglist->pairs[0];
4879         while (1) {
4880                 switch (state) {
4881                 case 0: /* Initial */
4882                         if (*letter == '=')
4883                                 return -EINVAL;
4884                         else if (*letter == '\0')
4885                                 return 0;
4886
4887                         state = 1;
4888                         pair->key = letter;
4889                         /* fall-thru */
4890
4891                 case 1: /* Parsing key */
4892                         if (*letter == '=') {
4893                                 *letter = '\0';
4894                                 pair->value = letter + 1;
4895                                 state = 2;
4896                         } else if (*letter == ',' || *letter == '\0')
4897                                 return -EINVAL;
4898                         break;
4899
4900
4901                 case 2: /* Parsing value */
4902                         if (*letter == '[')
4903                                 state = 3;
4904                         else if (*letter == ',') {
4905                                 *letter = '\0';
4906                                 arglist->count++;
4907                                 pair = &arglist->pairs[arglist->count];
4908                                 state = 0;
4909                         } else if (*letter == '\0') {
4910                                 letter--;
4911                                 arglist->count++;
4912                                 pair = &arglist->pairs[arglist->count];
4913                                 state = 0;
4914                         }
4915                         break;
4916
4917                 case 3: /* Parsing list */
4918                         if (*letter == ']')
4919                                 state = 2;
4920                         else if (*letter == '\0')
4921                                 return -EINVAL;
4922                         break;
4923                 }
4924                 letter++;
4925         }
4926 }
4927
4928 int
4929 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4930 {
4931         struct rte_kvargs args;
4932         struct rte_kvargs_pair *pair;
4933         unsigned int i;
4934         int result = 0;
4935
4936         memset(eth_da, 0, sizeof(*eth_da));
4937
4938         result = rte_eth_devargs_tokenise(&args, dargs);
4939         if (result < 0)
4940                 goto parse_cleanup;
4941
4942         for (i = 0; i < args.count; i++) {
4943                 pair = &args.pairs[i];
4944                 if (strcmp("representor", pair->key) == 0) {
4945                         result = rte_eth_devargs_parse_list(pair->value,
4946                                 rte_eth_devargs_parse_representor_ports,
4947                                 eth_da);
4948                         if (result < 0)
4949                                 goto parse_cleanup;
4950                 }
4951         }
4952
4953 parse_cleanup:
4954         if (args.str)
4955                 free(args.str);
4956
4957         return result;
4958 }
4959
4960 RTE_INIT(ethdev_init_log)
4961 {
4962         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4963         if (rte_eth_dev_logtype >= 0)
4964                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4965 }