e446f3b3f86a689af44395a79fa1cfc41a9211ed
[dpdk.git] / lib / ethdev / rte_ethdev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4
5 #include <ctype.h>
6 #include <errno.h>
7 #include <inttypes.h>
8 #include <stdbool.h>
9 #include <stdint.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <sys/queue.h>
13
14 #include <rte_byteorder.h>
15 #include <rte_log.h>
16 #include <rte_debug.h>
17 #include <rte_interrupts.h>
18 #include <rte_memory.h>
19 #include <rte_memcpy.h>
20 #include <rte_memzone.h>
21 #include <rte_launch.h>
22 #include <rte_eal.h>
23 #include <rte_per_lcore.h>
24 #include <rte_lcore.h>
25 #include <rte_branch_prediction.h>
26 #include <rte_common.h>
27 #include <rte_mempool.h>
28 #include <rte_malloc.h>
29 #include <rte_mbuf.h>
30 #include <rte_errno.h>
31 #include <rte_spinlock.h>
32 #include <rte_string_fns.h>
33 #include <rte_kvargs.h>
34 #include <rte_class.h>
35 #include <rte_ether.h>
36 #include <rte_telemetry.h>
37
38 #include "rte_ethdev_trace.h"
39 #include "rte_ethdev.h"
40 #include "ethdev_driver.h"
41 #include "ethdev_profile.h"
42 #include "ethdev_private.h"
43
44 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
45 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
46
47 /* spinlock for eth device callbacks */
48 static rte_spinlock_t eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
49
50 /* spinlock for add/remove rx callbacks */
51 static rte_spinlock_t eth_dev_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
52
53 /* spinlock for add/remove tx callbacks */
54 static rte_spinlock_t eth_dev_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
55
56 /* spinlock for shared data allocation */
57 static rte_spinlock_t eth_dev_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
58
59 /* store statistics names and its offset in stats structure  */
60 struct rte_eth_xstats_name_off {
61         char name[RTE_ETH_XSTATS_NAME_SIZE];
62         unsigned offset;
63 };
64
65 /* Shared memory between primary and secondary processes. */
66 static struct {
67         uint64_t next_owner_id;
68         rte_spinlock_t ownership_lock;
69         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
70 } *eth_dev_shared_data;
71
72 static const struct rte_eth_xstats_name_off eth_dev_stats_strings[] = {
73         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
74         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
75         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
76         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
77         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
78         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
79         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
80         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
81                 rx_nombuf)},
82 };
83
84 #define RTE_NB_STATS RTE_DIM(eth_dev_stats_strings)
85
86 static const struct rte_eth_xstats_name_off eth_dev_rxq_stats_strings[] = {
87         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
88         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
89         {"errors", offsetof(struct rte_eth_stats, q_errors)},
90 };
91
92 #define RTE_NB_RXQ_STATS RTE_DIM(eth_dev_rxq_stats_strings)
93
94 static const struct rte_eth_xstats_name_off eth_dev_txq_stats_strings[] = {
95         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
96         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
97 };
98 #define RTE_NB_TXQ_STATS RTE_DIM(eth_dev_txq_stats_strings)
99
100 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
101         { DEV_RX_OFFLOAD_##_name, #_name }
102
103 #define RTE_ETH_RX_OFFLOAD_BIT2STR(_name)       \
104         { RTE_ETH_RX_OFFLOAD_##_name, #_name }
105
106 static const struct {
107         uint64_t offload;
108         const char *name;
109 } eth_dev_rx_offload_names[] = {
110         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
111         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
112         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
113         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
114         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
115         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
116         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
117         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
118         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
119         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
120         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
121         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
122         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
123         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
124         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
125         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
126         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
127         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
128         RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
129         RTE_ETH_RX_OFFLOAD_BIT2STR(BUFFER_SPLIT),
130 };
131
132 #undef RTE_RX_OFFLOAD_BIT2STR
133 #undef RTE_ETH_RX_OFFLOAD_BIT2STR
134
135 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
136         { DEV_TX_OFFLOAD_##_name, #_name }
137
138 static const struct {
139         uint64_t offload;
140         const char *name;
141 } eth_dev_tx_offload_names[] = {
142         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
143         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
144         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
145         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
146         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
147         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
148         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
149         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
150         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
151         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
152         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
153         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
154         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
155         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
156         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
157         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
158         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
159         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
160         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
161         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
162         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
163         RTE_TX_OFFLOAD_BIT2STR(SEND_ON_TIMESTAMP),
164 };
165
166 #undef RTE_TX_OFFLOAD_BIT2STR
167
168 /**
169  * The user application callback description.
170  *
171  * It contains callback address to be registered by user application,
172  * the pointer to the parameters for callback, and the event type.
173  */
174 struct rte_eth_dev_callback {
175         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
176         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
177         void *cb_arg;                           /**< Parameter for callback */
178         void *ret_param;                        /**< Return parameter */
179         enum rte_eth_event_type event;          /**< Interrupt event type */
180         uint32_t active;                        /**< Callback is executing */
181 };
182
183 enum {
184         STAT_QMAP_TX = 0,
185         STAT_QMAP_RX
186 };
187
188 int
189 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
190 {
191         int ret;
192         struct rte_devargs devargs;
193         const char *bus_param_key;
194         char *bus_str = NULL;
195         char *cls_str = NULL;
196         int str_size;
197
198         if (iter == NULL) {
199                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL iterator\n");
200                 return -EINVAL;
201         }
202
203         if (devargs_str == NULL) {
204                 RTE_ETHDEV_LOG(ERR,
205                         "Cannot initialize iterator from NULL device description string\n");
206                 return -EINVAL;
207         }
208
209         memset(iter, 0, sizeof(*iter));
210         memset(&devargs, 0, sizeof(devargs));
211
212         /*
213          * The devargs string may use various syntaxes:
214          *   - 0000:08:00.0,representor=[1-3]
215          *   - pci:0000:06:00.0,representor=[0,5]
216          *   - class=eth,mac=00:11:22:33:44:55
217          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
218          */
219
220         /*
221          * Handle pure class filter (i.e. without any bus-level argument),
222          * from future new syntax.
223          * rte_devargs_parse() is not yet supporting the new syntax,
224          * that's why this simple case is temporarily parsed here.
225          */
226 #define iter_anybus_str "class=eth,"
227         if (strncmp(devargs_str, iter_anybus_str,
228                         strlen(iter_anybus_str)) == 0) {
229                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
230                 goto end;
231         }
232
233         /* Split bus, device and parameters. */
234         ret = rte_devargs_parse(&devargs, devargs_str);
235         if (ret != 0)
236                 goto error;
237
238         /*
239          * Assume parameters of old syntax can match only at ethdev level.
240          * Extra parameters will be ignored, thanks to "+" prefix.
241          */
242         str_size = strlen(devargs.args) + 2;
243         cls_str = malloc(str_size);
244         if (cls_str == NULL) {
245                 ret = -ENOMEM;
246                 goto error;
247         }
248         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
249         if (ret != str_size - 1) {
250                 ret = -EINVAL;
251                 goto error;
252         }
253         iter->cls_str = cls_str;
254
255         iter->bus = devargs.bus;
256         if (iter->bus->dev_iterate == NULL) {
257                 ret = -ENOTSUP;
258                 goto error;
259         }
260
261         /* Convert bus args to new syntax for use with new API dev_iterate. */
262         if ((strcmp(iter->bus->name, "vdev") == 0) ||
263                 (strcmp(iter->bus->name, "fslmc") == 0) ||
264                 (strcmp(iter->bus->name, "dpaa_bus") == 0)) {
265                 bus_param_key = "name";
266         } else if (strcmp(iter->bus->name, "pci") == 0) {
267                 bus_param_key = "addr";
268         } else {
269                 ret = -ENOTSUP;
270                 goto error;
271         }
272         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
273         bus_str = malloc(str_size);
274         if (bus_str == NULL) {
275                 ret = -ENOMEM;
276                 goto error;
277         }
278         ret = snprintf(bus_str, str_size, "%s=%s",
279                         bus_param_key, devargs.name);
280         if (ret != str_size - 1) {
281                 ret = -EINVAL;
282                 goto error;
283         }
284         iter->bus_str = bus_str;
285
286 end:
287         iter->cls = rte_class_find_by_name("eth");
288         rte_devargs_reset(&devargs);
289         return 0;
290
291 error:
292         if (ret == -ENOTSUP)
293                 RTE_ETHDEV_LOG(ERR, "Bus %s does not support iterating.\n",
294                                 iter->bus->name);
295         rte_devargs_reset(&devargs);
296         free(bus_str);
297         free(cls_str);
298         return ret;
299 }
300
301 uint16_t
302 rte_eth_iterator_next(struct rte_dev_iterator *iter)
303 {
304         if (iter == NULL) {
305                 RTE_ETHDEV_LOG(ERR,
306                         "Cannot get next device from NULL iterator\n");
307                 return RTE_MAX_ETHPORTS;
308         }
309
310         if (iter->cls == NULL) /* invalid ethdev iterator */
311                 return RTE_MAX_ETHPORTS;
312
313         do { /* loop to try all matching rte_device */
314                 /* If not pure ethdev filter and */
315                 if (iter->bus != NULL &&
316                                 /* not in middle of rte_eth_dev iteration, */
317                                 iter->class_device == NULL) {
318                         /* get next rte_device to try. */
319                         iter->device = iter->bus->dev_iterate(
320                                         iter->device, iter->bus_str, iter);
321                         if (iter->device == NULL)
322                                 break; /* no more rte_device candidate */
323                 }
324                 /* A device is matching bus part, need to check ethdev part. */
325                 iter->class_device = iter->cls->dev_iterate(
326                                 iter->class_device, iter->cls_str, iter);
327                 if (iter->class_device != NULL)
328                         return eth_dev_to_id(iter->class_device); /* match */
329         } while (iter->bus != NULL); /* need to try next rte_device */
330
331         /* No more ethdev port to iterate. */
332         rte_eth_iterator_cleanup(iter);
333         return RTE_MAX_ETHPORTS;
334 }
335
336 void
337 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
338 {
339         if (iter == NULL) {
340                 RTE_ETHDEV_LOG(ERR, "Cannot do clean up from NULL iterator\n");
341                 return;
342         }
343
344         if (iter->bus_str == NULL)
345                 return; /* nothing to free in pure class filter */
346         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
347         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
348         memset(iter, 0, sizeof(*iter));
349 }
350
351 uint16_t
352 rte_eth_find_next(uint16_t port_id)
353 {
354         while (port_id < RTE_MAX_ETHPORTS &&
355                         rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED)
356                 port_id++;
357
358         if (port_id >= RTE_MAX_ETHPORTS)
359                 return RTE_MAX_ETHPORTS;
360
361         return port_id;
362 }
363
364 /*
365  * Macro to iterate over all valid ports for internal usage.
366  * Note: RTE_ETH_FOREACH_DEV is different because filtering owned ports.
367  */
368 #define RTE_ETH_FOREACH_VALID_DEV(port_id) \
369         for (port_id = rte_eth_find_next(0); \
370              port_id < RTE_MAX_ETHPORTS; \
371              port_id = rte_eth_find_next(port_id + 1))
372
373 uint16_t
374 rte_eth_find_next_of(uint16_t port_id, const struct rte_device *parent)
375 {
376         port_id = rte_eth_find_next(port_id);
377         while (port_id < RTE_MAX_ETHPORTS &&
378                         rte_eth_devices[port_id].device != parent)
379                 port_id = rte_eth_find_next(port_id + 1);
380
381         return port_id;
382 }
383
384 uint16_t
385 rte_eth_find_next_sibling(uint16_t port_id, uint16_t ref_port_id)
386 {
387         RTE_ETH_VALID_PORTID_OR_ERR_RET(ref_port_id, RTE_MAX_ETHPORTS);
388         return rte_eth_find_next_of(port_id,
389                         rte_eth_devices[ref_port_id].device);
390 }
391
392 static void
393 eth_dev_shared_data_prepare(void)
394 {
395         const unsigned flags = 0;
396         const struct rte_memzone *mz;
397
398         rte_spinlock_lock(&eth_dev_shared_data_lock);
399
400         if (eth_dev_shared_data == NULL) {
401                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
402                         /* Allocate port data and ownership shared memory. */
403                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
404                                         sizeof(*eth_dev_shared_data),
405                                         rte_socket_id(), flags);
406                 } else
407                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
408                 if (mz == NULL)
409                         rte_panic("Cannot allocate ethdev shared data\n");
410
411                 eth_dev_shared_data = mz->addr;
412                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
413                         eth_dev_shared_data->next_owner_id =
414                                         RTE_ETH_DEV_NO_OWNER + 1;
415                         rte_spinlock_init(&eth_dev_shared_data->ownership_lock);
416                         memset(eth_dev_shared_data->data, 0,
417                                sizeof(eth_dev_shared_data->data));
418                 }
419         }
420
421         rte_spinlock_unlock(&eth_dev_shared_data_lock);
422 }
423
424 static bool
425 eth_dev_is_allocated(const struct rte_eth_dev *ethdev)
426 {
427         return ethdev->data->name[0] != '\0';
428 }
429
430 static struct rte_eth_dev *
431 eth_dev_allocated(const char *name)
432 {
433         uint16_t i;
434
435         RTE_BUILD_BUG_ON(RTE_MAX_ETHPORTS >= UINT16_MAX);
436
437         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
438                 if (rte_eth_devices[i].data != NULL &&
439                     strcmp(rte_eth_devices[i].data->name, name) == 0)
440                         return &rte_eth_devices[i];
441         }
442         return NULL;
443 }
444
445 struct rte_eth_dev *
446 rte_eth_dev_allocated(const char *name)
447 {
448         struct rte_eth_dev *ethdev;
449
450         eth_dev_shared_data_prepare();
451
452         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
453
454         ethdev = eth_dev_allocated(name);
455
456         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
457
458         return ethdev;
459 }
460
461 static uint16_t
462 eth_dev_find_free_port(void)
463 {
464         uint16_t i;
465
466         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
467                 /* Using shared name field to find a free port. */
468                 if (eth_dev_shared_data->data[i].name[0] == '\0') {
469                         RTE_ASSERT(rte_eth_devices[i].state ==
470                                    RTE_ETH_DEV_UNUSED);
471                         return i;
472                 }
473         }
474         return RTE_MAX_ETHPORTS;
475 }
476
477 static struct rte_eth_dev *
478 eth_dev_get(uint16_t port_id)
479 {
480         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
481
482         eth_dev->data = &eth_dev_shared_data->data[port_id];
483
484         return eth_dev;
485 }
486
487 struct rte_eth_dev *
488 rte_eth_dev_allocate(const char *name)
489 {
490         uint16_t port_id;
491         struct rte_eth_dev *eth_dev = NULL;
492         size_t name_len;
493
494         name_len = strnlen(name, RTE_ETH_NAME_MAX_LEN);
495         if (name_len == 0) {
496                 RTE_ETHDEV_LOG(ERR, "Zero length Ethernet device name\n");
497                 return NULL;
498         }
499
500         if (name_len >= RTE_ETH_NAME_MAX_LEN) {
501                 RTE_ETHDEV_LOG(ERR, "Ethernet device name is too long\n");
502                 return NULL;
503         }
504
505         eth_dev_shared_data_prepare();
506
507         /* Synchronize port creation between primary and secondary threads. */
508         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
509
510         if (eth_dev_allocated(name) != NULL) {
511                 RTE_ETHDEV_LOG(ERR,
512                         "Ethernet device with name %s already allocated\n",
513                         name);
514                 goto unlock;
515         }
516
517         port_id = eth_dev_find_free_port();
518         if (port_id == RTE_MAX_ETHPORTS) {
519                 RTE_ETHDEV_LOG(ERR,
520                         "Reached maximum number of Ethernet ports\n");
521                 goto unlock;
522         }
523
524         eth_dev = eth_dev_get(port_id);
525         strlcpy(eth_dev->data->name, name, sizeof(eth_dev->data->name));
526         eth_dev->data->port_id = port_id;
527         eth_dev->data->backer_port_id = RTE_MAX_ETHPORTS;
528         eth_dev->data->mtu = RTE_ETHER_MTU;
529         pthread_mutex_init(&eth_dev->data->flow_ops_mutex, NULL);
530
531 unlock:
532         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
533
534         return eth_dev;
535 }
536
537 /*
538  * Attach to a port already registered by the primary process, which
539  * makes sure that the same device would have the same port id both
540  * in the primary and secondary process.
541  */
542 struct rte_eth_dev *
543 rte_eth_dev_attach_secondary(const char *name)
544 {
545         uint16_t i;
546         struct rte_eth_dev *eth_dev = NULL;
547
548         eth_dev_shared_data_prepare();
549
550         /* Synchronize port attachment to primary port creation and release. */
551         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
552
553         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
554                 if (strcmp(eth_dev_shared_data->data[i].name, name) == 0)
555                         break;
556         }
557         if (i == RTE_MAX_ETHPORTS) {
558                 RTE_ETHDEV_LOG(ERR,
559                         "Device %s is not driven by the primary process\n",
560                         name);
561         } else {
562                 eth_dev = eth_dev_get(i);
563                 RTE_ASSERT(eth_dev->data->port_id == i);
564         }
565
566         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
567         return eth_dev;
568 }
569
570 int
571 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
572 {
573         if (eth_dev == NULL)
574                 return -EINVAL;
575
576         eth_dev_shared_data_prepare();
577
578         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
579                 rte_eth_dev_callback_process(eth_dev,
580                                 RTE_ETH_EVENT_DESTROY, NULL);
581
582         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
583
584         eth_dev->state = RTE_ETH_DEV_UNUSED;
585         eth_dev->device = NULL;
586         eth_dev->process_private = NULL;
587         eth_dev->intr_handle = NULL;
588         eth_dev->rx_pkt_burst = NULL;
589         eth_dev->tx_pkt_burst = NULL;
590         eth_dev->tx_pkt_prepare = NULL;
591         eth_dev->rx_queue_count = NULL;
592         eth_dev->rx_descriptor_status = NULL;
593         eth_dev->tx_descriptor_status = NULL;
594         eth_dev->dev_ops = NULL;
595
596         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
597                 rte_free(eth_dev->data->rx_queues);
598                 rte_free(eth_dev->data->tx_queues);
599                 rte_free(eth_dev->data->mac_addrs);
600                 rte_free(eth_dev->data->hash_mac_addrs);
601                 rte_free(eth_dev->data->dev_private);
602                 pthread_mutex_destroy(&eth_dev->data->flow_ops_mutex);
603                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
604         }
605
606         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
607
608         return 0;
609 }
610
611 int
612 rte_eth_dev_is_valid_port(uint16_t port_id)
613 {
614         if (port_id >= RTE_MAX_ETHPORTS ||
615             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
616                 return 0;
617         else
618                 return 1;
619 }
620
621 static int
622 eth_is_valid_owner_id(uint64_t owner_id)
623 {
624         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
625             eth_dev_shared_data->next_owner_id <= owner_id)
626                 return 0;
627         return 1;
628 }
629
630 uint64_t
631 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
632 {
633         port_id = rte_eth_find_next(port_id);
634         while (port_id < RTE_MAX_ETHPORTS &&
635                         rte_eth_devices[port_id].data->owner.id != owner_id)
636                 port_id = rte_eth_find_next(port_id + 1);
637
638         return port_id;
639 }
640
641 int
642 rte_eth_dev_owner_new(uint64_t *owner_id)
643 {
644         if (owner_id == NULL) {
645                 RTE_ETHDEV_LOG(ERR, "Cannot get new owner ID to NULL\n");
646                 return -EINVAL;
647         }
648
649         eth_dev_shared_data_prepare();
650
651         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
652
653         *owner_id = eth_dev_shared_data->next_owner_id++;
654
655         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
656         return 0;
657 }
658
659 static int
660 eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
661                        const struct rte_eth_dev_owner *new_owner)
662 {
663         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
664         struct rte_eth_dev_owner *port_owner;
665
666         if (port_id >= RTE_MAX_ETHPORTS || !eth_dev_is_allocated(ethdev)) {
667                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
668                         port_id);
669                 return -ENODEV;
670         }
671
672         if (new_owner == NULL) {
673                 RTE_ETHDEV_LOG(ERR,
674                         "Cannot set ethdev port %u owner from NULL owner\n",
675                         port_id);
676                 return -EINVAL;
677         }
678
679         if (!eth_is_valid_owner_id(new_owner->id) &&
680             !eth_is_valid_owner_id(old_owner_id)) {
681                 RTE_ETHDEV_LOG(ERR,
682                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
683                        old_owner_id, new_owner->id);
684                 return -EINVAL;
685         }
686
687         port_owner = &rte_eth_devices[port_id].data->owner;
688         if (port_owner->id != old_owner_id) {
689                 RTE_ETHDEV_LOG(ERR,
690                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
691                         port_id, port_owner->name, port_owner->id);
692                 return -EPERM;
693         }
694
695         /* can not truncate (same structure) */
696         strlcpy(port_owner->name, new_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN);
697
698         port_owner->id = new_owner->id;
699
700         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
701                 port_id, new_owner->name, new_owner->id);
702
703         return 0;
704 }
705
706 int
707 rte_eth_dev_owner_set(const uint16_t port_id,
708                       const struct rte_eth_dev_owner *owner)
709 {
710         int ret;
711
712         eth_dev_shared_data_prepare();
713
714         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
715
716         ret = eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
717
718         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
719         return ret;
720 }
721
722 int
723 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
724 {
725         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
726                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
727         int ret;
728
729         eth_dev_shared_data_prepare();
730
731         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
732
733         ret = eth_dev_owner_set(port_id, owner_id, &new_owner);
734
735         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
736         return ret;
737 }
738
739 int
740 rte_eth_dev_owner_delete(const uint64_t owner_id)
741 {
742         uint16_t port_id;
743         int ret = 0;
744
745         eth_dev_shared_data_prepare();
746
747         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
748
749         if (eth_is_valid_owner_id(owner_id)) {
750                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
751                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
752                                 memset(&rte_eth_devices[port_id].data->owner, 0,
753                                        sizeof(struct rte_eth_dev_owner));
754                 RTE_ETHDEV_LOG(NOTICE,
755                         "All port owners owned by %016"PRIx64" identifier have removed\n",
756                         owner_id);
757         } else {
758                 RTE_ETHDEV_LOG(ERR,
759                                "Invalid owner id=%016"PRIx64"\n",
760                                owner_id);
761                 ret = -EINVAL;
762         }
763
764         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
765
766         return ret;
767 }
768
769 int
770 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
771 {
772         struct rte_eth_dev *ethdev;
773
774         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
775         ethdev = &rte_eth_devices[port_id];
776
777         if (!eth_dev_is_allocated(ethdev)) {
778                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
779                         port_id);
780                 return -ENODEV;
781         }
782
783         if (owner == NULL) {
784                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u owner to NULL\n",
785                         port_id);
786                 return -EINVAL;
787         }
788
789         eth_dev_shared_data_prepare();
790
791         rte_spinlock_lock(&eth_dev_shared_data->ownership_lock);
792         rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
793         rte_spinlock_unlock(&eth_dev_shared_data->ownership_lock);
794
795         return 0;
796 }
797
798 int
799 rte_eth_dev_socket_id(uint16_t port_id)
800 {
801         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
802         return rte_eth_devices[port_id].data->numa_node;
803 }
804
805 void *
806 rte_eth_dev_get_sec_ctx(uint16_t port_id)
807 {
808         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
809         return rte_eth_devices[port_id].security_ctx;
810 }
811
812 uint16_t
813 rte_eth_dev_count_avail(void)
814 {
815         uint16_t p;
816         uint16_t count;
817
818         count = 0;
819
820         RTE_ETH_FOREACH_DEV(p)
821                 count++;
822
823         return count;
824 }
825
826 uint16_t
827 rte_eth_dev_count_total(void)
828 {
829         uint16_t port, count = 0;
830
831         RTE_ETH_FOREACH_VALID_DEV(port)
832                 count++;
833
834         return count;
835 }
836
837 int
838 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
839 {
840         char *tmp;
841
842         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
843
844         if (name == NULL) {
845                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u name to NULL\n",
846                         port_id);
847                 return -EINVAL;
848         }
849
850         /* shouldn't check 'rte_eth_devices[i].data',
851          * because it might be overwritten by VDEV PMD */
852         tmp = eth_dev_shared_data->data[port_id].name;
853         strcpy(name, tmp);
854         return 0;
855 }
856
857 int
858 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
859 {
860         uint16_t pid;
861
862         if (name == NULL) {
863                 RTE_ETHDEV_LOG(ERR, "Cannot get port ID from NULL name");
864                 return -EINVAL;
865         }
866
867         if (port_id == NULL) {
868                 RTE_ETHDEV_LOG(ERR,
869                         "Cannot get port ID to NULL for %s\n", name);
870                 return -EINVAL;
871         }
872
873         RTE_ETH_FOREACH_VALID_DEV(pid)
874                 if (!strcmp(name, eth_dev_shared_data->data[pid].name)) {
875                         *port_id = pid;
876                         return 0;
877                 }
878
879         return -ENODEV;
880 }
881
882 static int
883 eth_err(uint16_t port_id, int ret)
884 {
885         if (ret == 0)
886                 return 0;
887         if (rte_eth_dev_is_removed(port_id))
888                 return -EIO;
889         return ret;
890 }
891
892 static void
893 eth_dev_rxq_release(struct rte_eth_dev *dev, uint16_t qid)
894 {
895         void **rxq = dev->data->rx_queues;
896
897         if (rxq[qid] == NULL)
898                 return;
899
900         if (dev->dev_ops->rx_queue_release != NULL)
901                 (*dev->dev_ops->rx_queue_release)(dev, qid);
902         rxq[qid] = NULL;
903 }
904
905 static void
906 eth_dev_txq_release(struct rte_eth_dev *dev, uint16_t qid)
907 {
908         void **txq = dev->data->tx_queues;
909
910         if (txq[qid] == NULL)
911                 return;
912
913         if (dev->dev_ops->tx_queue_release != NULL)
914                 (*dev->dev_ops->tx_queue_release)(dev, qid);
915         txq[qid] = NULL;
916 }
917
918 static int
919 eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
920 {
921         uint16_t old_nb_queues = dev->data->nb_rx_queues;
922         unsigned i;
923
924         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
925                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
926                                 sizeof(dev->data->rx_queues[0]) *
927                                 RTE_MAX_QUEUES_PER_PORT,
928                                 RTE_CACHE_LINE_SIZE);
929                 if (dev->data->rx_queues == NULL) {
930                         dev->data->nb_rx_queues = 0;
931                         return -(ENOMEM);
932                 }
933         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
934                 for (i = nb_queues; i < old_nb_queues; i++)
935                         eth_dev_rxq_release(dev, i);
936
937         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
938                 for (i = nb_queues; i < old_nb_queues; i++)
939                         eth_dev_rxq_release(dev, i);
940
941                 rte_free(dev->data->rx_queues);
942                 dev->data->rx_queues = NULL;
943         }
944         dev->data->nb_rx_queues = nb_queues;
945         return 0;
946 }
947
948 static int
949 eth_dev_validate_rx_queue(const struct rte_eth_dev *dev, uint16_t rx_queue_id)
950 {
951         uint16_t port_id;
952
953         if (rx_queue_id >= dev->data->nb_rx_queues) {
954                 port_id = dev->data->port_id;
955                 RTE_ETHDEV_LOG(ERR,
956                                "Invalid Rx queue_id=%u of device with port_id=%u\n",
957                                rx_queue_id, port_id);
958                 return -EINVAL;
959         }
960
961         if (dev->data->rx_queues[rx_queue_id] == NULL) {
962                 port_id = dev->data->port_id;
963                 RTE_ETHDEV_LOG(ERR,
964                                "Queue %u of device with port_id=%u has not been setup\n",
965                                rx_queue_id, port_id);
966                 return -EINVAL;
967         }
968
969         return 0;
970 }
971
972 static int
973 eth_dev_validate_tx_queue(const struct rte_eth_dev *dev, uint16_t tx_queue_id)
974 {
975         uint16_t port_id;
976
977         if (tx_queue_id >= dev->data->nb_tx_queues) {
978                 port_id = dev->data->port_id;
979                 RTE_ETHDEV_LOG(ERR,
980                                "Invalid Tx queue_id=%u of device with port_id=%u\n",
981                                tx_queue_id, port_id);
982                 return -EINVAL;
983         }
984
985         if (dev->data->tx_queues[tx_queue_id] == NULL) {
986                 port_id = dev->data->port_id;
987                 RTE_ETHDEV_LOG(ERR,
988                                "Queue %u of device with port_id=%u has not been setup\n",
989                                tx_queue_id, port_id);
990                 return -EINVAL;
991         }
992
993         return 0;
994 }
995
996 int
997 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
998 {
999         struct rte_eth_dev *dev;
1000         int ret;
1001
1002         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1003         dev = &rte_eth_devices[port_id];
1004
1005         if (!dev->data->dev_started) {
1006                 RTE_ETHDEV_LOG(ERR,
1007                         "Port %u must be started before start any queue\n",
1008                         port_id);
1009                 return -EINVAL;
1010         }
1011
1012         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1013         if (ret != 0)
1014                 return ret;
1015
1016         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
1017
1018         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1019                 RTE_ETHDEV_LOG(INFO,
1020                         "Can't start Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1021                         rx_queue_id, port_id);
1022                 return -EINVAL;
1023         }
1024
1025         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1026                 RTE_ETHDEV_LOG(INFO,
1027                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1028                         rx_queue_id, port_id);
1029                 return 0;
1030         }
1031
1032         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev, rx_queue_id));
1033 }
1034
1035 int
1036 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
1037 {
1038         struct rte_eth_dev *dev;
1039         int ret;
1040
1041         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1042         dev = &rte_eth_devices[port_id];
1043
1044         ret = eth_dev_validate_rx_queue(dev, rx_queue_id);
1045         if (ret != 0)
1046                 return ret;
1047
1048         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
1049
1050         if (rte_eth_dev_is_rx_hairpin_queue(dev, rx_queue_id)) {
1051                 RTE_ETHDEV_LOG(INFO,
1052                         "Can't stop Rx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1053                         rx_queue_id, port_id);
1054                 return -EINVAL;
1055         }
1056
1057         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1058                 RTE_ETHDEV_LOG(INFO,
1059                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1060                         rx_queue_id, port_id);
1061                 return 0;
1062         }
1063
1064         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
1065 }
1066
1067 int
1068 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
1069 {
1070         struct rte_eth_dev *dev;
1071         int ret;
1072
1073         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1074         dev = &rte_eth_devices[port_id];
1075
1076         if (!dev->data->dev_started) {
1077                 RTE_ETHDEV_LOG(ERR,
1078                         "Port %u must be started before start any queue\n",
1079                         port_id);
1080                 return -EINVAL;
1081         }
1082
1083         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1084         if (ret != 0)
1085                 return ret;
1086
1087         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
1088
1089         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1090                 RTE_ETHDEV_LOG(INFO,
1091                         "Can't start Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1092                         tx_queue_id, port_id);
1093                 return -EINVAL;
1094         }
1095
1096         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
1097                 RTE_ETHDEV_LOG(INFO,
1098                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
1099                         tx_queue_id, port_id);
1100                 return 0;
1101         }
1102
1103         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
1104 }
1105
1106 int
1107 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
1108 {
1109         struct rte_eth_dev *dev;
1110         int ret;
1111
1112         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1113         dev = &rte_eth_devices[port_id];
1114
1115         ret = eth_dev_validate_tx_queue(dev, tx_queue_id);
1116         if (ret != 0)
1117                 return ret;
1118
1119         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
1120
1121         if (rte_eth_dev_is_tx_hairpin_queue(dev, tx_queue_id)) {
1122                 RTE_ETHDEV_LOG(INFO,
1123                         "Can't stop Tx hairpin queue %"PRIu16" of device with port_id=%"PRIu16"\n",
1124                         tx_queue_id, port_id);
1125                 return -EINVAL;
1126         }
1127
1128         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
1129                 RTE_ETHDEV_LOG(INFO,
1130                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
1131                         tx_queue_id, port_id);
1132                 return 0;
1133         }
1134
1135         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
1136 }
1137
1138 static int
1139 eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
1140 {
1141         uint16_t old_nb_queues = dev->data->nb_tx_queues;
1142         unsigned i;
1143
1144         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
1145                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
1146                                 sizeof(dev->data->tx_queues[0]) *
1147                                 RTE_MAX_QUEUES_PER_PORT,
1148                                 RTE_CACHE_LINE_SIZE);
1149                 if (dev->data->tx_queues == NULL) {
1150                         dev->data->nb_tx_queues = 0;
1151                         return -(ENOMEM);
1152                 }
1153         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
1154                 for (i = nb_queues; i < old_nb_queues; i++)
1155                         eth_dev_txq_release(dev, i);
1156
1157         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1158                 for (i = nb_queues; i < old_nb_queues; i++)
1159                         eth_dev_txq_release(dev, i);
1160
1161                 rte_free(dev->data->tx_queues);
1162                 dev->data->tx_queues = NULL;
1163         }
1164         dev->data->nb_tx_queues = nb_queues;
1165         return 0;
1166 }
1167
1168 uint32_t
1169 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1170 {
1171         switch (speed) {
1172         case ETH_SPEED_NUM_10M:
1173                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1174         case ETH_SPEED_NUM_100M:
1175                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1176         case ETH_SPEED_NUM_1G:
1177                 return ETH_LINK_SPEED_1G;
1178         case ETH_SPEED_NUM_2_5G:
1179                 return ETH_LINK_SPEED_2_5G;
1180         case ETH_SPEED_NUM_5G:
1181                 return ETH_LINK_SPEED_5G;
1182         case ETH_SPEED_NUM_10G:
1183                 return ETH_LINK_SPEED_10G;
1184         case ETH_SPEED_NUM_20G:
1185                 return ETH_LINK_SPEED_20G;
1186         case ETH_SPEED_NUM_25G:
1187                 return ETH_LINK_SPEED_25G;
1188         case ETH_SPEED_NUM_40G:
1189                 return ETH_LINK_SPEED_40G;
1190         case ETH_SPEED_NUM_50G:
1191                 return ETH_LINK_SPEED_50G;
1192         case ETH_SPEED_NUM_56G:
1193                 return ETH_LINK_SPEED_56G;
1194         case ETH_SPEED_NUM_100G:
1195                 return ETH_LINK_SPEED_100G;
1196         case ETH_SPEED_NUM_200G:
1197                 return ETH_LINK_SPEED_200G;
1198         default:
1199                 return 0;
1200         }
1201 }
1202
1203 const char *
1204 rte_eth_dev_rx_offload_name(uint64_t offload)
1205 {
1206         const char *name = "UNKNOWN";
1207         unsigned int i;
1208
1209         for (i = 0; i < RTE_DIM(eth_dev_rx_offload_names); ++i) {
1210                 if (offload == eth_dev_rx_offload_names[i].offload) {
1211                         name = eth_dev_rx_offload_names[i].name;
1212                         break;
1213                 }
1214         }
1215
1216         return name;
1217 }
1218
1219 const char *
1220 rte_eth_dev_tx_offload_name(uint64_t offload)
1221 {
1222         const char *name = "UNKNOWN";
1223         unsigned int i;
1224
1225         for (i = 0; i < RTE_DIM(eth_dev_tx_offload_names); ++i) {
1226                 if (offload == eth_dev_tx_offload_names[i].offload) {
1227                         name = eth_dev_tx_offload_names[i].name;
1228                         break;
1229                 }
1230         }
1231
1232         return name;
1233 }
1234
1235 static inline int
1236 eth_dev_check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
1237                    uint32_t max_rx_pkt_len, uint32_t dev_info_size)
1238 {
1239         int ret = 0;
1240
1241         if (dev_info_size == 0) {
1242                 if (config_size != max_rx_pkt_len) {
1243                         RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
1244                                        " %u != %u is not allowed\n",
1245                                        port_id, config_size, max_rx_pkt_len);
1246                         ret = -EINVAL;
1247                 }
1248         } else if (config_size > dev_info_size) {
1249                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1250                                "> max allowed value %u\n", port_id, config_size,
1251                                dev_info_size);
1252                 ret = -EINVAL;
1253         } else if (config_size < RTE_ETHER_MIN_LEN) {
1254                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
1255                                "< min allowed value %u\n", port_id, config_size,
1256                                (unsigned int)RTE_ETHER_MIN_LEN);
1257                 ret = -EINVAL;
1258         }
1259         return ret;
1260 }
1261
1262 /*
1263  * Validate offloads that are requested through rte_eth_dev_configure against
1264  * the offloads successfully set by the ethernet device.
1265  *
1266  * @param port_id
1267  *   The port identifier of the Ethernet device.
1268  * @param req_offloads
1269  *   The offloads that have been requested through `rte_eth_dev_configure`.
1270  * @param set_offloads
1271  *   The offloads successfully set by the ethernet device.
1272  * @param offload_type
1273  *   The offload type i.e. Rx/Tx string.
1274  * @param offload_name
1275  *   The function that prints the offload name.
1276  * @return
1277  *   - (0) if validation successful.
1278  *   - (-EINVAL) if requested offload has been silently disabled.
1279  *
1280  */
1281 static int
1282 eth_dev_validate_offloads(uint16_t port_id, uint64_t req_offloads,
1283                   uint64_t set_offloads, const char *offload_type,
1284                   const char *(*offload_name)(uint64_t))
1285 {
1286         uint64_t offloads_diff = req_offloads ^ set_offloads;
1287         uint64_t offload;
1288         int ret = 0;
1289
1290         while (offloads_diff != 0) {
1291                 /* Check if any offload is requested but not enabled. */
1292                 offload = 1ULL << __builtin_ctzll(offloads_diff);
1293                 if (offload & req_offloads) {
1294                         RTE_ETHDEV_LOG(ERR,
1295                                 "Port %u failed to enable %s offload %s\n",
1296                                 port_id, offload_type, offload_name(offload));
1297                         ret = -EINVAL;
1298                 }
1299
1300                 /* Check if offload couldn't be disabled. */
1301                 if (offload & set_offloads) {
1302                         RTE_ETHDEV_LOG(DEBUG,
1303                                 "Port %u %s offload %s is not requested but enabled\n",
1304                                 port_id, offload_type, offload_name(offload));
1305                 }
1306
1307                 offloads_diff &= ~offload;
1308         }
1309
1310         return ret;
1311 }
1312
1313 int
1314 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1315                       const struct rte_eth_conf *dev_conf)
1316 {
1317         struct rte_eth_dev *dev;
1318         struct rte_eth_dev_info dev_info;
1319         struct rte_eth_conf orig_conf;
1320         uint16_t overhead_len;
1321         int diag;
1322         int ret;
1323         uint16_t old_mtu;
1324
1325         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1326         dev = &rte_eth_devices[port_id];
1327
1328         if (dev_conf == NULL) {
1329                 RTE_ETHDEV_LOG(ERR,
1330                         "Cannot configure ethdev port %u from NULL config\n",
1331                         port_id);
1332                 return -EINVAL;
1333         }
1334
1335         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1336
1337         if (dev->data->dev_started) {
1338                 RTE_ETHDEV_LOG(ERR,
1339                         "Port %u must be stopped to allow configuration\n",
1340                         port_id);
1341                 return -EBUSY;
1342         }
1343
1344         /*
1345          * Ensure that "dev_configured" is always 0 each time prepare to do
1346          * dev_configure() to avoid any non-anticipated behaviour.
1347          * And set to 1 when dev_configure() is executed successfully.
1348          */
1349         dev->data->dev_configured = 0;
1350
1351          /* Store original config, as rollback required on failure */
1352         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1353
1354         /*
1355          * Copy the dev_conf parameter into the dev structure.
1356          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1357          */
1358         if (dev_conf != &dev->data->dev_conf)
1359                 memcpy(&dev->data->dev_conf, dev_conf,
1360                        sizeof(dev->data->dev_conf));
1361
1362         /* Backup mtu for rollback */
1363         old_mtu = dev->data->mtu;
1364
1365         ret = rte_eth_dev_info_get(port_id, &dev_info);
1366         if (ret != 0)
1367                 goto rollback;
1368
1369         /* Get the real Ethernet overhead length */
1370         if (dev_info.max_mtu != UINT16_MAX &&
1371             dev_info.max_rx_pktlen > dev_info.max_mtu)
1372                 overhead_len = dev_info.max_rx_pktlen - dev_info.max_mtu;
1373         else
1374                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1375
1376         /* If number of queues specified by application for both Rx and Tx is
1377          * zero, use driver preferred values. This cannot be done individually
1378          * as it is valid for either Tx or Rx (but not both) to be zero.
1379          * If driver does not provide any preferred valued, fall back on
1380          * EAL defaults.
1381          */
1382         if (nb_rx_q == 0 && nb_tx_q == 0) {
1383                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1384                 if (nb_rx_q == 0)
1385                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1386                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1387                 if (nb_tx_q == 0)
1388                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1389         }
1390
1391         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1392                 RTE_ETHDEV_LOG(ERR,
1393                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1394                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1395                 ret = -EINVAL;
1396                 goto rollback;
1397         }
1398
1399         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1400                 RTE_ETHDEV_LOG(ERR,
1401                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1402                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1403                 ret = -EINVAL;
1404                 goto rollback;
1405         }
1406
1407         /*
1408          * Check that the numbers of RX and TX queues are not greater
1409          * than the maximum number of RX and TX queues supported by the
1410          * configured device.
1411          */
1412         if (nb_rx_q > dev_info.max_rx_queues) {
1413                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1414                         port_id, nb_rx_q, dev_info.max_rx_queues);
1415                 ret = -EINVAL;
1416                 goto rollback;
1417         }
1418
1419         if (nb_tx_q > dev_info.max_tx_queues) {
1420                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1421                         port_id, nb_tx_q, dev_info.max_tx_queues);
1422                 ret = -EINVAL;
1423                 goto rollback;
1424         }
1425
1426         /* Check that the device supports requested interrupts */
1427         if ((dev_conf->intr_conf.lsc == 1) &&
1428                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1429                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1430                         dev->device->driver->name);
1431                 ret = -EINVAL;
1432                 goto rollback;
1433         }
1434         if ((dev_conf->intr_conf.rmv == 1) &&
1435                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1436                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1437                         dev->device->driver->name);
1438                 ret = -EINVAL;
1439                 goto rollback;
1440         }
1441
1442         /*
1443          * If jumbo frames are enabled, check that the maximum RX packet
1444          * length is supported by the configured device.
1445          */
1446         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1447                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1448                         RTE_ETHDEV_LOG(ERR,
1449                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1450                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1451                                 dev_info.max_rx_pktlen);
1452                         ret = -EINVAL;
1453                         goto rollback;
1454                 } else if (dev_conf->rxmode.max_rx_pkt_len < RTE_ETHER_MIN_LEN) {
1455                         RTE_ETHDEV_LOG(ERR,
1456                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1457                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1458                                 (unsigned int)RTE_ETHER_MIN_LEN);
1459                         ret = -EINVAL;
1460                         goto rollback;
1461                 }
1462
1463                 /* Scale the MTU size to adapt max_rx_pkt_len */
1464                 dev->data->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len -
1465                                 overhead_len;
1466         } else {
1467                 uint16_t pktlen = dev_conf->rxmode.max_rx_pkt_len;
1468                 if (pktlen < RTE_ETHER_MIN_MTU + overhead_len ||
1469                     pktlen > RTE_ETHER_MTU + overhead_len)
1470                         /* Use default value */
1471                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1472                                                 RTE_ETHER_MTU + overhead_len;
1473         }
1474
1475         /*
1476          * If LRO is enabled, check that the maximum aggregated packet
1477          * size is supported by the configured device.
1478          */
1479         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
1480                 if (dev_conf->rxmode.max_lro_pkt_size == 0)
1481                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
1482                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
1483                 ret = eth_dev_check_lro_pkt_size(port_id,
1484                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
1485                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
1486                                 dev_info.max_lro_pkt_size);
1487                 if (ret != 0)
1488                         goto rollback;
1489         }
1490
1491         /* Any requested offloading must be within its device capabilities */
1492         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1493              dev_conf->rxmode.offloads) {
1494                 RTE_ETHDEV_LOG(ERR,
1495                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1496                         "capabilities 0x%"PRIx64" in %s()\n",
1497                         port_id, dev_conf->rxmode.offloads,
1498                         dev_info.rx_offload_capa,
1499                         __func__);
1500                 ret = -EINVAL;
1501                 goto rollback;
1502         }
1503         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1504              dev_conf->txmode.offloads) {
1505                 RTE_ETHDEV_LOG(ERR,
1506                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1507                         "capabilities 0x%"PRIx64" in %s()\n",
1508                         port_id, dev_conf->txmode.offloads,
1509                         dev_info.tx_offload_capa,
1510                         __func__);
1511                 ret = -EINVAL;
1512                 goto rollback;
1513         }
1514
1515         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1516                 rte_eth_rss_hf_refine(dev_conf->rx_adv_conf.rss_conf.rss_hf);
1517
1518         /* Check that device supports requested rss hash functions. */
1519         if ((dev_info.flow_type_rss_offloads |
1520              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1521             dev_info.flow_type_rss_offloads) {
1522                 RTE_ETHDEV_LOG(ERR,
1523                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1524                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1525                         dev_info.flow_type_rss_offloads);
1526                 ret = -EINVAL;
1527                 goto rollback;
1528         }
1529
1530         /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
1531         if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
1532             (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
1533                 RTE_ETHDEV_LOG(ERR,
1534                         "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
1535                         port_id,
1536                         rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
1537                 ret = -EINVAL;
1538                 goto rollback;
1539         }
1540
1541         /*
1542          * Setup new number of RX/TX queues and reconfigure device.
1543          */
1544         diag = eth_dev_rx_queue_config(dev, nb_rx_q);
1545         if (diag != 0) {
1546                 RTE_ETHDEV_LOG(ERR,
1547                         "Port%u eth_dev_rx_queue_config = %d\n",
1548                         port_id, diag);
1549                 ret = diag;
1550                 goto rollback;
1551         }
1552
1553         diag = eth_dev_tx_queue_config(dev, nb_tx_q);
1554         if (diag != 0) {
1555                 RTE_ETHDEV_LOG(ERR,
1556                         "Port%u eth_dev_tx_queue_config = %d\n",
1557                         port_id, diag);
1558                 eth_dev_rx_queue_config(dev, 0);
1559                 ret = diag;
1560                 goto rollback;
1561         }
1562
1563         diag = (*dev->dev_ops->dev_configure)(dev);
1564         if (diag != 0) {
1565                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1566                         port_id, diag);
1567                 ret = eth_err(port_id, diag);
1568                 goto reset_queues;
1569         }
1570
1571         /* Initialize Rx profiling if enabled at compilation time. */
1572         diag = __rte_eth_dev_profile_init(port_id, dev);
1573         if (diag != 0) {
1574                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1575                         port_id, diag);
1576                 ret = eth_err(port_id, diag);
1577                 goto reset_queues;
1578         }
1579
1580         /* Validate Rx offloads. */
1581         diag = eth_dev_validate_offloads(port_id,
1582                         dev_conf->rxmode.offloads,
1583                         dev->data->dev_conf.rxmode.offloads, "Rx",
1584                         rte_eth_dev_rx_offload_name);
1585         if (diag != 0) {
1586                 ret = diag;
1587                 goto reset_queues;
1588         }
1589
1590         /* Validate Tx offloads. */
1591         diag = eth_dev_validate_offloads(port_id,
1592                         dev_conf->txmode.offloads,
1593                         dev->data->dev_conf.txmode.offloads, "Tx",
1594                         rte_eth_dev_tx_offload_name);
1595         if (diag != 0) {
1596                 ret = diag;
1597                 goto reset_queues;
1598         }
1599
1600         dev->data->dev_configured = 1;
1601         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
1602         return 0;
1603 reset_queues:
1604         eth_dev_rx_queue_config(dev, 0);
1605         eth_dev_tx_queue_config(dev, 0);
1606 rollback:
1607         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1608         if (old_mtu != dev->data->mtu)
1609                 dev->data->mtu = old_mtu;
1610
1611         rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
1612         return ret;
1613 }
1614
1615 void
1616 rte_eth_dev_internal_reset(struct rte_eth_dev *dev)
1617 {
1618         if (dev->data->dev_started) {
1619                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1620                         dev->data->port_id);
1621                 return;
1622         }
1623
1624         eth_dev_rx_queue_config(dev, 0);
1625         eth_dev_tx_queue_config(dev, 0);
1626
1627         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1628 }
1629
1630 static void
1631 eth_dev_mac_restore(struct rte_eth_dev *dev,
1632                         struct rte_eth_dev_info *dev_info)
1633 {
1634         struct rte_ether_addr *addr;
1635         uint16_t i;
1636         uint32_t pool = 0;
1637         uint64_t pool_mask;
1638
1639         /* replay MAC address configuration including default MAC */
1640         addr = &dev->data->mac_addrs[0];
1641         if (*dev->dev_ops->mac_addr_set != NULL)
1642                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1643         else if (*dev->dev_ops->mac_addr_add != NULL)
1644                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1645
1646         if (*dev->dev_ops->mac_addr_add != NULL) {
1647                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1648                         addr = &dev->data->mac_addrs[i];
1649
1650                         /* skip zero address */
1651                         if (rte_is_zero_ether_addr(addr))
1652                                 continue;
1653
1654                         pool = 0;
1655                         pool_mask = dev->data->mac_pool_sel[i];
1656
1657                         do {
1658                                 if (pool_mask & 1ULL)
1659                                         (*dev->dev_ops->mac_addr_add)(dev,
1660                                                 addr, i, pool);
1661                                 pool_mask >>= 1;
1662                                 pool++;
1663                         } while (pool_mask);
1664                 }
1665         }
1666 }
1667
1668 static int
1669 eth_dev_config_restore(struct rte_eth_dev *dev,
1670                 struct rte_eth_dev_info *dev_info, uint16_t port_id)
1671 {
1672         int ret;
1673
1674         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1675                 eth_dev_mac_restore(dev, dev_info);
1676
1677         /* replay promiscuous configuration */
1678         /*
1679          * use callbacks directly since we don't need port_id check and
1680          * would like to bypass the same value set
1681          */
1682         if (rte_eth_promiscuous_get(port_id) == 1 &&
1683             *dev->dev_ops->promiscuous_enable != NULL) {
1684                 ret = eth_err(port_id,
1685                               (*dev->dev_ops->promiscuous_enable)(dev));
1686                 if (ret != 0 && ret != -ENOTSUP) {
1687                         RTE_ETHDEV_LOG(ERR,
1688                                 "Failed to enable promiscuous mode for device (port %u): %s\n",
1689                                 port_id, rte_strerror(-ret));
1690                         return ret;
1691                 }
1692         } else if (rte_eth_promiscuous_get(port_id) == 0 &&
1693                    *dev->dev_ops->promiscuous_disable != NULL) {
1694                 ret = eth_err(port_id,
1695                               (*dev->dev_ops->promiscuous_disable)(dev));
1696                 if (ret != 0 && ret != -ENOTSUP) {
1697                         RTE_ETHDEV_LOG(ERR,
1698                                 "Failed to disable promiscuous mode for device (port %u): %s\n",
1699                                 port_id, rte_strerror(-ret));
1700                         return ret;
1701                 }
1702         }
1703
1704         /* replay all multicast configuration */
1705         /*
1706          * use callbacks directly since we don't need port_id check and
1707          * would like to bypass the same value set
1708          */
1709         if (rte_eth_allmulticast_get(port_id) == 1 &&
1710             *dev->dev_ops->allmulticast_enable != NULL) {
1711                 ret = eth_err(port_id,
1712                               (*dev->dev_ops->allmulticast_enable)(dev));
1713                 if (ret != 0 && ret != -ENOTSUP) {
1714                         RTE_ETHDEV_LOG(ERR,
1715                                 "Failed to enable allmulticast mode for device (port %u): %s\n",
1716                                 port_id, rte_strerror(-ret));
1717                         return ret;
1718                 }
1719         } else if (rte_eth_allmulticast_get(port_id) == 0 &&
1720                    *dev->dev_ops->allmulticast_disable != NULL) {
1721                 ret = eth_err(port_id,
1722                               (*dev->dev_ops->allmulticast_disable)(dev));
1723                 if (ret != 0 && ret != -ENOTSUP) {
1724                         RTE_ETHDEV_LOG(ERR,
1725                                 "Failed to disable allmulticast mode for device (port %u): %s\n",
1726                                 port_id, rte_strerror(-ret));
1727                         return ret;
1728                 }
1729         }
1730
1731         return 0;
1732 }
1733
1734 int
1735 rte_eth_dev_start(uint16_t port_id)
1736 {
1737         struct rte_eth_dev *dev;
1738         struct rte_eth_dev_info dev_info;
1739         int diag;
1740         int ret, ret_stop;
1741
1742         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1743         dev = &rte_eth_devices[port_id];
1744
1745         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1746
1747         if (dev->data->dev_configured == 0) {
1748                 RTE_ETHDEV_LOG(INFO,
1749                         "Device with port_id=%"PRIu16" is not configured.\n",
1750                         port_id);
1751                 return -EINVAL;
1752         }
1753
1754         if (dev->data->dev_started != 0) {
1755                 RTE_ETHDEV_LOG(INFO,
1756                         "Device with port_id=%"PRIu16" already started\n",
1757                         port_id);
1758                 return 0;
1759         }
1760
1761         ret = rte_eth_dev_info_get(port_id, &dev_info);
1762         if (ret != 0)
1763                 return ret;
1764
1765         /* Lets restore MAC now if device does not support live change */
1766         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1767                 eth_dev_mac_restore(dev, &dev_info);
1768
1769         diag = (*dev->dev_ops->dev_start)(dev);
1770         if (diag == 0)
1771                 dev->data->dev_started = 1;
1772         else
1773                 return eth_err(port_id, diag);
1774
1775         ret = eth_dev_config_restore(dev, &dev_info, port_id);
1776         if (ret != 0) {
1777                 RTE_ETHDEV_LOG(ERR,
1778                         "Error during restoring configuration for device (port %u): %s\n",
1779                         port_id, rte_strerror(-ret));
1780                 ret_stop = rte_eth_dev_stop(port_id);
1781                 if (ret_stop != 0) {
1782                         RTE_ETHDEV_LOG(ERR,
1783                                 "Failed to stop device (port %u): %s\n",
1784                                 port_id, rte_strerror(-ret_stop));
1785                 }
1786
1787                 return ret;
1788         }
1789
1790         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1791                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1792                 (*dev->dev_ops->link_update)(dev, 0);
1793         }
1794
1795         rte_ethdev_trace_start(port_id);
1796         return 0;
1797 }
1798
1799 int
1800 rte_eth_dev_stop(uint16_t port_id)
1801 {
1802         struct rte_eth_dev *dev;
1803         int ret;
1804
1805         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1806         dev = &rte_eth_devices[port_id];
1807
1808         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
1809
1810         if (dev->data->dev_started == 0) {
1811                 RTE_ETHDEV_LOG(INFO,
1812                         "Device with port_id=%"PRIu16" already stopped\n",
1813                         port_id);
1814                 return 0;
1815         }
1816
1817         dev->data->dev_started = 0;
1818         ret = (*dev->dev_ops->dev_stop)(dev);
1819         rte_ethdev_trace_stop(port_id, ret);
1820
1821         return ret;
1822 }
1823
1824 int
1825 rte_eth_dev_set_link_up(uint16_t port_id)
1826 {
1827         struct rte_eth_dev *dev;
1828
1829         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1830         dev = &rte_eth_devices[port_id];
1831
1832         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1833         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1834 }
1835
1836 int
1837 rte_eth_dev_set_link_down(uint16_t port_id)
1838 {
1839         struct rte_eth_dev *dev;
1840
1841         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1842         dev = &rte_eth_devices[port_id];
1843
1844         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1845         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1846 }
1847
1848 int
1849 rte_eth_dev_close(uint16_t port_id)
1850 {
1851         struct rte_eth_dev *dev;
1852         int firsterr, binerr;
1853         int *lasterr = &firsterr;
1854
1855         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1856         dev = &rte_eth_devices[port_id];
1857
1858         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
1859         *lasterr = (*dev->dev_ops->dev_close)(dev);
1860         if (*lasterr != 0)
1861                 lasterr = &binerr;
1862
1863         rte_ethdev_trace_close(port_id);
1864         *lasterr = rte_eth_dev_release_port(dev);
1865
1866         return firsterr;
1867 }
1868
1869 int
1870 rte_eth_dev_reset(uint16_t port_id)
1871 {
1872         struct rte_eth_dev *dev;
1873         int ret;
1874
1875         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1876         dev = &rte_eth_devices[port_id];
1877
1878         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1879
1880         ret = rte_eth_dev_stop(port_id);
1881         if (ret != 0) {
1882                 RTE_ETHDEV_LOG(ERR,
1883                         "Failed to stop device (port %u) before reset: %s - ignore\n",
1884                         port_id, rte_strerror(-ret));
1885         }
1886         ret = dev->dev_ops->dev_reset(dev);
1887
1888         return eth_err(port_id, ret);
1889 }
1890
1891 int
1892 rte_eth_dev_is_removed(uint16_t port_id)
1893 {
1894         struct rte_eth_dev *dev;
1895         int ret;
1896
1897         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1898         dev = &rte_eth_devices[port_id];
1899
1900         if (dev->state == RTE_ETH_DEV_REMOVED)
1901                 return 1;
1902
1903         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1904
1905         ret = dev->dev_ops->is_removed(dev);
1906         if (ret != 0)
1907                 /* Device is physically removed. */
1908                 dev->state = RTE_ETH_DEV_REMOVED;
1909
1910         return ret;
1911 }
1912
1913 static int
1914 rte_eth_rx_queue_check_split(const struct rte_eth_rxseg_split *rx_seg,
1915                              uint16_t n_seg, uint32_t *mbp_buf_size,
1916                              const struct rte_eth_dev_info *dev_info)
1917 {
1918         const struct rte_eth_rxseg_capa *seg_capa = &dev_info->rx_seg_capa;
1919         struct rte_mempool *mp_first;
1920         uint32_t offset_mask;
1921         uint16_t seg_idx;
1922
1923         if (n_seg > seg_capa->max_nseg) {
1924                 RTE_ETHDEV_LOG(ERR,
1925                                "Requested Rx segments %u exceed supported %u\n",
1926                                n_seg, seg_capa->max_nseg);
1927                 return -EINVAL;
1928         }
1929         /*
1930          * Check the sizes and offsets against buffer sizes
1931          * for each segment specified in extended configuration.
1932          */
1933         mp_first = rx_seg[0].mp;
1934         offset_mask = (1u << seg_capa->offset_align_log2) - 1;
1935         for (seg_idx = 0; seg_idx < n_seg; seg_idx++) {
1936                 struct rte_mempool *mpl = rx_seg[seg_idx].mp;
1937                 uint32_t length = rx_seg[seg_idx].length;
1938                 uint32_t offset = rx_seg[seg_idx].offset;
1939
1940                 if (mpl == NULL) {
1941                         RTE_ETHDEV_LOG(ERR, "null mempool pointer\n");
1942                         return -EINVAL;
1943                 }
1944                 if (seg_idx != 0 && mp_first != mpl &&
1945                     seg_capa->multi_pools == 0) {
1946                         RTE_ETHDEV_LOG(ERR, "Receiving to multiple pools is not supported\n");
1947                         return -ENOTSUP;
1948                 }
1949                 if (offset != 0) {
1950                         if (seg_capa->offset_allowed == 0) {
1951                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation with offset is not supported\n");
1952                                 return -ENOTSUP;
1953                         }
1954                         if (offset & offset_mask) {
1955                                 RTE_ETHDEV_LOG(ERR, "Rx segmentation invalid offset alignment %u, %u\n",
1956                                                offset,
1957                                                seg_capa->offset_align_log2);
1958                                 return -EINVAL;
1959                         }
1960                 }
1961                 if (mpl->private_data_size <
1962                         sizeof(struct rte_pktmbuf_pool_private)) {
1963                         RTE_ETHDEV_LOG(ERR,
1964                                        "%s private_data_size %u < %u\n",
1965                                        mpl->name, mpl->private_data_size,
1966                                        (unsigned int)sizeof
1967                                         (struct rte_pktmbuf_pool_private));
1968                         return -ENOSPC;
1969                 }
1970                 offset += seg_idx != 0 ? 0 : RTE_PKTMBUF_HEADROOM;
1971                 *mbp_buf_size = rte_pktmbuf_data_room_size(mpl);
1972                 length = length != 0 ? length : *mbp_buf_size;
1973                 if (*mbp_buf_size < length + offset) {
1974                         RTE_ETHDEV_LOG(ERR,
1975                                        "%s mbuf_data_room_size %u < %u (segment length=%u + segment offset=%u)\n",
1976                                        mpl->name, *mbp_buf_size,
1977                                        length + offset, length, offset);
1978                         return -EINVAL;
1979                 }
1980         }
1981         return 0;
1982 }
1983
1984 int
1985 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1986                        uint16_t nb_rx_desc, unsigned int socket_id,
1987                        const struct rte_eth_rxconf *rx_conf,
1988                        struct rte_mempool *mp)
1989 {
1990         int ret;
1991         uint32_t mbp_buf_size;
1992         struct rte_eth_dev *dev;
1993         struct rte_eth_dev_info dev_info;
1994         struct rte_eth_rxconf local_conf;
1995
1996         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1997         dev = &rte_eth_devices[port_id];
1998
1999         if (rx_queue_id >= dev->data->nb_rx_queues) {
2000                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2001                 return -EINVAL;
2002         }
2003
2004         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
2005
2006         ret = rte_eth_dev_info_get(port_id, &dev_info);
2007         if (ret != 0)
2008                 return ret;
2009
2010         if (mp != NULL) {
2011                 /* Single pool configuration check. */
2012                 if (rx_conf != NULL && rx_conf->rx_nseg != 0) {
2013                         RTE_ETHDEV_LOG(ERR,
2014                                        "Ambiguous segment configuration\n");
2015                         return -EINVAL;
2016                 }
2017                 /*
2018                  * Check the size of the mbuf data buffer, this value
2019                  * must be provided in the private data of the memory pool.
2020                  * First check that the memory pool(s) has a valid private data.
2021                  */
2022                 if (mp->private_data_size <
2023                                 sizeof(struct rte_pktmbuf_pool_private)) {
2024                         RTE_ETHDEV_LOG(ERR, "%s private_data_size %u < %u\n",
2025                                 mp->name, mp->private_data_size,
2026                                 (unsigned int)
2027                                 sizeof(struct rte_pktmbuf_pool_private));
2028                         return -ENOSPC;
2029                 }
2030                 mbp_buf_size = rte_pktmbuf_data_room_size(mp);
2031                 if (mbp_buf_size < dev_info.min_rx_bufsize +
2032                                    RTE_PKTMBUF_HEADROOM) {
2033                         RTE_ETHDEV_LOG(ERR,
2034                                        "%s mbuf_data_room_size %u < %u (RTE_PKTMBUF_HEADROOM=%u + min_rx_bufsize(dev)=%u)\n",
2035                                        mp->name, mbp_buf_size,
2036                                        RTE_PKTMBUF_HEADROOM +
2037                                        dev_info.min_rx_bufsize,
2038                                        RTE_PKTMBUF_HEADROOM,
2039                                        dev_info.min_rx_bufsize);
2040                         return -EINVAL;
2041                 }
2042         } else {
2043                 const struct rte_eth_rxseg_split *rx_seg;
2044                 uint16_t n_seg;
2045
2046                 /* Extended multi-segment configuration check. */
2047                 if (rx_conf == NULL || rx_conf->rx_seg == NULL || rx_conf->rx_nseg == 0) {
2048                         RTE_ETHDEV_LOG(ERR,
2049                                        "Memory pool is null and no extended configuration provided\n");
2050                         return -EINVAL;
2051                 }
2052
2053                 rx_seg = (const struct rte_eth_rxseg_split *)rx_conf->rx_seg;
2054                 n_seg = rx_conf->rx_nseg;
2055
2056                 if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) {
2057                         ret = rte_eth_rx_queue_check_split(rx_seg, n_seg,
2058                                                            &mbp_buf_size,
2059                                                            &dev_info);
2060                         if (ret != 0)
2061                                 return ret;
2062                 } else {
2063                         RTE_ETHDEV_LOG(ERR, "No Rx segmentation offload configured\n");
2064                         return -EINVAL;
2065                 }
2066         }
2067
2068         /* Use default specified by driver, if nb_rx_desc is zero */
2069         if (nb_rx_desc == 0) {
2070                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
2071                 /* If driver default is also zero, fall back on EAL default */
2072                 if (nb_rx_desc == 0)
2073                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
2074         }
2075
2076         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
2077                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
2078                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
2079
2080                 RTE_ETHDEV_LOG(ERR,
2081                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2082                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
2083                         dev_info.rx_desc_lim.nb_min,
2084                         dev_info.rx_desc_lim.nb_align);
2085                 return -EINVAL;
2086         }
2087
2088         if (dev->data->dev_started &&
2089                 !(dev_info.dev_capa &
2090                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
2091                 return -EBUSY;
2092
2093         if (dev->data->dev_started &&
2094                 (dev->data->rx_queue_state[rx_queue_id] !=
2095                         RTE_ETH_QUEUE_STATE_STOPPED))
2096                 return -EBUSY;
2097
2098         eth_dev_rxq_release(dev, rx_queue_id);
2099
2100         if (rx_conf == NULL)
2101                 rx_conf = &dev_info.default_rxconf;
2102
2103         local_conf = *rx_conf;
2104
2105         /*
2106          * If an offloading has already been enabled in
2107          * rte_eth_dev_configure(), it has been enabled on all queues,
2108          * so there is no need to enable it in this queue again.
2109          * The local_conf.offloads input to underlying PMD only carries
2110          * those offloadings which are only enabled on this queue and
2111          * not enabled on all queues.
2112          */
2113         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
2114
2115         /*
2116          * New added offloadings for this queue are those not enabled in
2117          * rte_eth_dev_configure() and they must be per-queue type.
2118          * A pure per-port offloading can't be enabled on a queue while
2119          * disabled on another queue. A pure per-port offloading can't
2120          * be enabled for any queue as new added one if it hasn't been
2121          * enabled in rte_eth_dev_configure().
2122          */
2123         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
2124              local_conf.offloads) {
2125                 RTE_ETHDEV_LOG(ERR,
2126                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2127                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2128                         port_id, rx_queue_id, local_conf.offloads,
2129                         dev_info.rx_queue_offload_capa,
2130                         __func__);
2131                 return -EINVAL;
2132         }
2133
2134         /*
2135          * If LRO is enabled, check that the maximum aggregated packet
2136          * size is supported by the configured device.
2137          */
2138         if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
2139                 if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
2140                         dev->data->dev_conf.rxmode.max_lro_pkt_size =
2141                                 dev->data->dev_conf.rxmode.max_rx_pkt_len;
2142                 int ret = eth_dev_check_lro_pkt_size(port_id,
2143                                 dev->data->dev_conf.rxmode.max_lro_pkt_size,
2144                                 dev->data->dev_conf.rxmode.max_rx_pkt_len,
2145                                 dev_info.max_lro_pkt_size);
2146                 if (ret != 0)
2147                         return ret;
2148         }
2149
2150         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
2151                                               socket_id, &local_conf, mp);
2152         if (!ret) {
2153                 if (!dev->data->min_rx_buf_size ||
2154                     dev->data->min_rx_buf_size > mbp_buf_size)
2155                         dev->data->min_rx_buf_size = mbp_buf_size;
2156         }
2157
2158         rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
2159                 rx_conf, ret);
2160         return eth_err(port_id, ret);
2161 }
2162
2163 int
2164 rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2165                                uint16_t nb_rx_desc,
2166                                const struct rte_eth_hairpin_conf *conf)
2167 {
2168         int ret;
2169         struct rte_eth_dev *dev;
2170         struct rte_eth_hairpin_cap cap;
2171         int i;
2172         int count;
2173
2174         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2175         dev = &rte_eth_devices[port_id];
2176
2177         if (rx_queue_id >= dev->data->nb_rx_queues) {
2178                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
2179                 return -EINVAL;
2180         }
2181
2182         if (conf == NULL) {
2183                 RTE_ETHDEV_LOG(ERR,
2184                         "Cannot setup ethdev port %u Rx hairpin queue from NULL config\n",
2185                         port_id);
2186                 return -EINVAL;
2187         }
2188
2189         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2190         if (ret != 0)
2191                 return ret;
2192         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_hairpin_queue_setup,
2193                                 -ENOTSUP);
2194         /* if nb_rx_desc is zero use max number of desc from the driver. */
2195         if (nb_rx_desc == 0)
2196                 nb_rx_desc = cap.max_nb_desc;
2197         if (nb_rx_desc > cap.max_nb_desc) {
2198                 RTE_ETHDEV_LOG(ERR,
2199                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu",
2200                         nb_rx_desc, cap.max_nb_desc);
2201                 return -EINVAL;
2202         }
2203         if (conf->peer_count > cap.max_rx_2_tx) {
2204                 RTE_ETHDEV_LOG(ERR,
2205                         "Invalid value for number of peers for Rx queue(=%u), should be: <= %hu",
2206                         conf->peer_count, cap.max_rx_2_tx);
2207                 return -EINVAL;
2208         }
2209         if (conf->peer_count == 0) {
2210                 RTE_ETHDEV_LOG(ERR,
2211                         "Invalid value for number of peers for Rx queue(=%u), should be: > 0",
2212                         conf->peer_count);
2213                 return -EINVAL;
2214         }
2215         for (i = 0, count = 0; i < dev->data->nb_rx_queues &&
2216              cap.max_nb_queues != UINT16_MAX; i++) {
2217                 if (i == rx_queue_id || rte_eth_dev_is_rx_hairpin_queue(dev, i))
2218                         count++;
2219         }
2220         if (count > cap.max_nb_queues) {
2221                 RTE_ETHDEV_LOG(ERR, "To many Rx hairpin queues max is %d",
2222                 cap.max_nb_queues);
2223                 return -EINVAL;
2224         }
2225         if (dev->data->dev_started)
2226                 return -EBUSY;
2227         eth_dev_rxq_release(dev, rx_queue_id);
2228         ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
2229                                                       nb_rx_desc, conf);
2230         if (ret == 0)
2231                 dev->data->rx_queue_state[rx_queue_id] =
2232                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2233         return eth_err(port_id, ret);
2234 }
2235
2236 int
2237 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2238                        uint16_t nb_tx_desc, unsigned int socket_id,
2239                        const struct rte_eth_txconf *tx_conf)
2240 {
2241         struct rte_eth_dev *dev;
2242         struct rte_eth_dev_info dev_info;
2243         struct rte_eth_txconf local_conf;
2244         int ret;
2245
2246         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2247         dev = &rte_eth_devices[port_id];
2248
2249         if (tx_queue_id >= dev->data->nb_tx_queues) {
2250                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2251                 return -EINVAL;
2252         }
2253
2254         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
2255
2256         ret = rte_eth_dev_info_get(port_id, &dev_info);
2257         if (ret != 0)
2258                 return ret;
2259
2260         /* Use default specified by driver, if nb_tx_desc is zero */
2261         if (nb_tx_desc == 0) {
2262                 nb_tx_desc = dev_info.default_txportconf.ring_size;
2263                 /* If driver default is zero, fall back on EAL default */
2264                 if (nb_tx_desc == 0)
2265                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
2266         }
2267         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
2268             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
2269             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
2270                 RTE_ETHDEV_LOG(ERR,
2271                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, >= %hu, and a product of %hu\n",
2272                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
2273                         dev_info.tx_desc_lim.nb_min,
2274                         dev_info.tx_desc_lim.nb_align);
2275                 return -EINVAL;
2276         }
2277
2278         if (dev->data->dev_started &&
2279                 !(dev_info.dev_capa &
2280                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
2281                 return -EBUSY;
2282
2283         if (dev->data->dev_started &&
2284                 (dev->data->tx_queue_state[tx_queue_id] !=
2285                         RTE_ETH_QUEUE_STATE_STOPPED))
2286                 return -EBUSY;
2287
2288         eth_dev_txq_release(dev, tx_queue_id);
2289
2290         if (tx_conf == NULL)
2291                 tx_conf = &dev_info.default_txconf;
2292
2293         local_conf = *tx_conf;
2294
2295         /*
2296          * If an offloading has already been enabled in
2297          * rte_eth_dev_configure(), it has been enabled on all queues,
2298          * so there is no need to enable it in this queue again.
2299          * The local_conf.offloads input to underlying PMD only carries
2300          * those offloadings which are only enabled on this queue and
2301          * not enabled on all queues.
2302          */
2303         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
2304
2305         /*
2306          * New added offloadings for this queue are those not enabled in
2307          * rte_eth_dev_configure() and they must be per-queue type.
2308          * A pure per-port offloading can't be enabled on a queue while
2309          * disabled on another queue. A pure per-port offloading can't
2310          * be enabled for any queue as new added one if it hasn't been
2311          * enabled in rte_eth_dev_configure().
2312          */
2313         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
2314              local_conf.offloads) {
2315                 RTE_ETHDEV_LOG(ERR,
2316                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
2317                         "within per-queue offload capabilities 0x%"PRIx64" in %s()\n",
2318                         port_id, tx_queue_id, local_conf.offloads,
2319                         dev_info.tx_queue_offload_capa,
2320                         __func__);
2321                 return -EINVAL;
2322         }
2323
2324         rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
2325         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
2326                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
2327 }
2328
2329 int
2330 rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
2331                                uint16_t nb_tx_desc,
2332                                const struct rte_eth_hairpin_conf *conf)
2333 {
2334         struct rte_eth_dev *dev;
2335         struct rte_eth_hairpin_cap cap;
2336         int i;
2337         int count;
2338         int ret;
2339
2340         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2341         dev = &rte_eth_devices[port_id];
2342
2343         if (tx_queue_id >= dev->data->nb_tx_queues) {
2344                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
2345                 return -EINVAL;
2346         }
2347
2348         if (conf == NULL) {
2349                 RTE_ETHDEV_LOG(ERR,
2350                         "Cannot setup ethdev port %u Tx hairpin queue from NULL config\n",
2351                         port_id);
2352                 return -EINVAL;
2353         }
2354
2355         ret = rte_eth_dev_hairpin_capability_get(port_id, &cap);
2356         if (ret != 0)
2357                 return ret;
2358         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_hairpin_queue_setup,
2359                                 -ENOTSUP);
2360         /* if nb_rx_desc is zero use max number of desc from the driver. */
2361         if (nb_tx_desc == 0)
2362                 nb_tx_desc = cap.max_nb_desc;
2363         if (nb_tx_desc > cap.max_nb_desc) {
2364                 RTE_ETHDEV_LOG(ERR,
2365                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu",
2366                         nb_tx_desc, cap.max_nb_desc);
2367                 return -EINVAL;
2368         }
2369         if (conf->peer_count > cap.max_tx_2_rx) {
2370                 RTE_ETHDEV_LOG(ERR,
2371                         "Invalid value for number of peers for Tx queue(=%u), should be: <= %hu",
2372                         conf->peer_count, cap.max_tx_2_rx);
2373                 return -EINVAL;
2374         }
2375         if (conf->peer_count == 0) {
2376                 RTE_ETHDEV_LOG(ERR,
2377                         "Invalid value for number of peers for Tx queue(=%u), should be: > 0",
2378                         conf->peer_count);
2379                 return -EINVAL;
2380         }
2381         for (i = 0, count = 0; i < dev->data->nb_tx_queues &&
2382              cap.max_nb_queues != UINT16_MAX; i++) {
2383                 if (i == tx_queue_id || rte_eth_dev_is_tx_hairpin_queue(dev, i))
2384                         count++;
2385         }
2386         if (count > cap.max_nb_queues) {
2387                 RTE_ETHDEV_LOG(ERR, "To many Tx hairpin queues max is %d",
2388                 cap.max_nb_queues);
2389                 return -EINVAL;
2390         }
2391         if (dev->data->dev_started)
2392                 return -EBUSY;
2393         eth_dev_txq_release(dev, tx_queue_id);
2394         ret = (*dev->dev_ops->tx_hairpin_queue_setup)
2395                 (dev, tx_queue_id, nb_tx_desc, conf);
2396         if (ret == 0)
2397                 dev->data->tx_queue_state[tx_queue_id] =
2398                         RTE_ETH_QUEUE_STATE_HAIRPIN;
2399         return eth_err(port_id, ret);
2400 }
2401
2402 int
2403 rte_eth_hairpin_bind(uint16_t tx_port, uint16_t rx_port)
2404 {
2405         struct rte_eth_dev *dev;
2406         int ret;
2407
2408         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2409         dev = &rte_eth_devices[tx_port];
2410
2411         if (dev->data->dev_started == 0) {
2412                 RTE_ETHDEV_LOG(ERR, "Tx port %d is not started\n", tx_port);
2413                 return -EBUSY;
2414         }
2415
2416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_bind, -ENOTSUP);
2417         ret = (*dev->dev_ops->hairpin_bind)(dev, rx_port);
2418         if (ret != 0)
2419                 RTE_ETHDEV_LOG(ERR, "Failed to bind hairpin Tx %d"
2420                                " to Rx %d (%d - all ports)\n",
2421                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2422
2423         return ret;
2424 }
2425
2426 int
2427 rte_eth_hairpin_unbind(uint16_t tx_port, uint16_t rx_port)
2428 {
2429         struct rte_eth_dev *dev;
2430         int ret;
2431
2432         RTE_ETH_VALID_PORTID_OR_ERR_RET(tx_port, -ENODEV);
2433         dev = &rte_eth_devices[tx_port];
2434
2435         if (dev->data->dev_started == 0) {
2436                 RTE_ETHDEV_LOG(ERR, "Tx port %d is already stopped\n", tx_port);
2437                 return -EBUSY;
2438         }
2439
2440         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_unbind, -ENOTSUP);
2441         ret = (*dev->dev_ops->hairpin_unbind)(dev, rx_port);
2442         if (ret != 0)
2443                 RTE_ETHDEV_LOG(ERR, "Failed to unbind hairpin Tx %d"
2444                                " from Rx %d (%d - all ports)\n",
2445                                tx_port, rx_port, RTE_MAX_ETHPORTS);
2446
2447         return ret;
2448 }
2449
2450 int
2451 rte_eth_hairpin_get_peer_ports(uint16_t port_id, uint16_t *peer_ports,
2452                                size_t len, uint32_t direction)
2453 {
2454         struct rte_eth_dev *dev;
2455         int ret;
2456
2457         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2458         dev = &rte_eth_devices[port_id];
2459
2460         if (peer_ports == NULL) {
2461                 RTE_ETHDEV_LOG(ERR,
2462                         "Cannot get ethdev port %u hairpin peer ports to NULL\n",
2463                         port_id);
2464                 return -EINVAL;
2465         }
2466
2467         if (len == 0) {
2468                 RTE_ETHDEV_LOG(ERR,
2469                         "Cannot get ethdev port %u hairpin peer ports to array with zero size\n",
2470                         port_id);
2471                 return -EINVAL;
2472         }
2473
2474         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_get_peer_ports,
2475                                 -ENOTSUP);
2476
2477         ret = (*dev->dev_ops->hairpin_get_peer_ports)(dev, peer_ports,
2478                                                       len, direction);
2479         if (ret < 0)
2480                 RTE_ETHDEV_LOG(ERR, "Failed to get %d hairpin peer %s ports\n",
2481                                port_id, direction ? "Rx" : "Tx");
2482
2483         return ret;
2484 }
2485
2486 void
2487 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
2488                 void *userdata __rte_unused)
2489 {
2490         rte_pktmbuf_free_bulk(pkts, unsent);
2491 }
2492
2493 void
2494 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
2495                 void *userdata)
2496 {
2497         uint64_t *count = userdata;
2498
2499         rte_pktmbuf_free_bulk(pkts, unsent);
2500         *count += unsent;
2501 }
2502
2503 int
2504 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
2505                 buffer_tx_error_fn cbfn, void *userdata)
2506 {
2507         if (buffer == NULL) {
2508                 RTE_ETHDEV_LOG(ERR,
2509                         "Cannot set Tx buffer error callback to NULL buffer\n");
2510                 return -EINVAL;
2511         }
2512
2513         buffer->error_callback = cbfn;
2514         buffer->error_userdata = userdata;
2515         return 0;
2516 }
2517
2518 int
2519 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
2520 {
2521         int ret = 0;
2522
2523         if (buffer == NULL) {
2524                 RTE_ETHDEV_LOG(ERR, "Cannot initialize NULL buffer\n");
2525                 return -EINVAL;
2526         }
2527
2528         buffer->size = size;
2529         if (buffer->error_callback == NULL) {
2530                 ret = rte_eth_tx_buffer_set_err_callback(
2531                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
2532         }
2533
2534         return ret;
2535 }
2536
2537 int
2538 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
2539 {
2540         struct rte_eth_dev *dev;
2541         int ret;
2542
2543         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2544         dev = &rte_eth_devices[port_id];
2545
2546         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
2547
2548         /* Call driver to free pending mbufs. */
2549         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
2550                                                free_cnt);
2551         return eth_err(port_id, ret);
2552 }
2553
2554 int
2555 rte_eth_promiscuous_enable(uint16_t port_id)
2556 {
2557         struct rte_eth_dev *dev;
2558         int diag = 0;
2559
2560         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2561         dev = &rte_eth_devices[port_id];
2562
2563         if (dev->data->promiscuous == 1)
2564                 return 0;
2565
2566         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_enable, -ENOTSUP);
2567
2568         diag = (*dev->dev_ops->promiscuous_enable)(dev);
2569         dev->data->promiscuous = (diag == 0) ? 1 : 0;
2570
2571         return eth_err(port_id, diag);
2572 }
2573
2574 int
2575 rte_eth_promiscuous_disable(uint16_t port_id)
2576 {
2577         struct rte_eth_dev *dev;
2578         int diag = 0;
2579
2580         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2581         dev = &rte_eth_devices[port_id];
2582
2583         if (dev->data->promiscuous == 0)
2584                 return 0;
2585
2586         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->promiscuous_disable, -ENOTSUP);
2587
2588         dev->data->promiscuous = 0;
2589         diag = (*dev->dev_ops->promiscuous_disable)(dev);
2590         if (diag != 0)
2591                 dev->data->promiscuous = 1;
2592
2593         return eth_err(port_id, diag);
2594 }
2595
2596 int
2597 rte_eth_promiscuous_get(uint16_t port_id)
2598 {
2599         struct rte_eth_dev *dev;
2600
2601         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2602         dev = &rte_eth_devices[port_id];
2603
2604         return dev->data->promiscuous;
2605 }
2606
2607 int
2608 rte_eth_allmulticast_enable(uint16_t port_id)
2609 {
2610         struct rte_eth_dev *dev;
2611         int diag;
2612
2613         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2614         dev = &rte_eth_devices[port_id];
2615
2616         if (dev->data->all_multicast == 1)
2617                 return 0;
2618
2619         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_enable, -ENOTSUP);
2620         diag = (*dev->dev_ops->allmulticast_enable)(dev);
2621         dev->data->all_multicast = (diag == 0) ? 1 : 0;
2622
2623         return eth_err(port_id, diag);
2624 }
2625
2626 int
2627 rte_eth_allmulticast_disable(uint16_t port_id)
2628 {
2629         struct rte_eth_dev *dev;
2630         int diag;
2631
2632         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2633         dev = &rte_eth_devices[port_id];
2634
2635         if (dev->data->all_multicast == 0)
2636                 return 0;
2637
2638         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->allmulticast_disable, -ENOTSUP);
2639         dev->data->all_multicast = 0;
2640         diag = (*dev->dev_ops->allmulticast_disable)(dev);
2641         if (diag != 0)
2642                 dev->data->all_multicast = 1;
2643
2644         return eth_err(port_id, diag);
2645 }
2646
2647 int
2648 rte_eth_allmulticast_get(uint16_t port_id)
2649 {
2650         struct rte_eth_dev *dev;
2651
2652         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2653         dev = &rte_eth_devices[port_id];
2654
2655         return dev->data->all_multicast;
2656 }
2657
2658 int
2659 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
2660 {
2661         struct rte_eth_dev *dev;
2662
2663         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2664         dev = &rte_eth_devices[port_id];
2665
2666         if (eth_link == NULL) {
2667                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2668                         port_id);
2669                 return -EINVAL;
2670         }
2671
2672         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2673                 rte_eth_linkstatus_get(dev, eth_link);
2674         else {
2675                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2676                 (*dev->dev_ops->link_update)(dev, 1);
2677                 *eth_link = dev->data->dev_link;
2678         }
2679
2680         return 0;
2681 }
2682
2683 int
2684 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
2685 {
2686         struct rte_eth_dev *dev;
2687
2688         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2689         dev = &rte_eth_devices[port_id];
2690
2691         if (eth_link == NULL) {
2692                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u link to NULL\n",
2693                         port_id);
2694                 return -EINVAL;
2695         }
2696
2697         if (dev->data->dev_conf.intr_conf.lsc && dev->data->dev_started)
2698                 rte_eth_linkstatus_get(dev, eth_link);
2699         else {
2700                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
2701                 (*dev->dev_ops->link_update)(dev, 0);
2702                 *eth_link = dev->data->dev_link;
2703         }
2704
2705         return 0;
2706 }
2707
2708 const char *
2709 rte_eth_link_speed_to_str(uint32_t link_speed)
2710 {
2711         switch (link_speed) {
2712         case ETH_SPEED_NUM_NONE: return "None";
2713         case ETH_SPEED_NUM_10M:  return "10 Mbps";
2714         case ETH_SPEED_NUM_100M: return "100 Mbps";
2715         case ETH_SPEED_NUM_1G:   return "1 Gbps";
2716         case ETH_SPEED_NUM_2_5G: return "2.5 Gbps";
2717         case ETH_SPEED_NUM_5G:   return "5 Gbps";
2718         case ETH_SPEED_NUM_10G:  return "10 Gbps";
2719         case ETH_SPEED_NUM_20G:  return "20 Gbps";
2720         case ETH_SPEED_NUM_25G:  return "25 Gbps";
2721         case ETH_SPEED_NUM_40G:  return "40 Gbps";
2722         case ETH_SPEED_NUM_50G:  return "50 Gbps";
2723         case ETH_SPEED_NUM_56G:  return "56 Gbps";
2724         case ETH_SPEED_NUM_100G: return "100 Gbps";
2725         case ETH_SPEED_NUM_200G: return "200 Gbps";
2726         case ETH_SPEED_NUM_UNKNOWN: return "Unknown";
2727         default: return "Invalid";
2728         }
2729 }
2730
2731 int
2732 rte_eth_link_to_str(char *str, size_t len, const struct rte_eth_link *eth_link)
2733 {
2734         if (str == NULL) {
2735                 RTE_ETHDEV_LOG(ERR, "Cannot convert link to NULL string\n");
2736                 return -EINVAL;
2737         }
2738
2739         if (len == 0) {
2740                 RTE_ETHDEV_LOG(ERR,
2741                         "Cannot convert link to string with zero size\n");
2742                 return -EINVAL;
2743         }
2744
2745         if (eth_link == NULL) {
2746                 RTE_ETHDEV_LOG(ERR, "Cannot convert to string from NULL link\n");
2747                 return -EINVAL;
2748         }
2749
2750         if (eth_link->link_status == ETH_LINK_DOWN)
2751                 return snprintf(str, len, "Link down");
2752         else
2753                 return snprintf(str, len, "Link up at %s %s %s",
2754                         rte_eth_link_speed_to_str(eth_link->link_speed),
2755                         (eth_link->link_duplex == ETH_LINK_FULL_DUPLEX) ?
2756                         "FDX" : "HDX",
2757                         (eth_link->link_autoneg == ETH_LINK_AUTONEG) ?
2758                         "Autoneg" : "Fixed");
2759 }
2760
2761 int
2762 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
2763 {
2764         struct rte_eth_dev *dev;
2765
2766         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2767         dev = &rte_eth_devices[port_id];
2768
2769         if (stats == NULL) {
2770                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u stats to NULL\n",
2771                         port_id);
2772                 return -EINVAL;
2773         }
2774
2775         memset(stats, 0, sizeof(*stats));
2776
2777         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
2778         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
2779         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
2780 }
2781
2782 int
2783 rte_eth_stats_reset(uint16_t port_id)
2784 {
2785         struct rte_eth_dev *dev;
2786         int ret;
2787
2788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2789         dev = &rte_eth_devices[port_id];
2790
2791         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
2792         ret = (*dev->dev_ops->stats_reset)(dev);
2793         if (ret != 0)
2794                 return eth_err(port_id, ret);
2795
2796         dev->data->rx_mbuf_alloc_failed = 0;
2797
2798         return 0;
2799 }
2800
2801 static inline int
2802 eth_dev_get_xstats_basic_count(struct rte_eth_dev *dev)
2803 {
2804         uint16_t nb_rxqs, nb_txqs;
2805         int count;
2806
2807         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2808         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2809
2810         count = RTE_NB_STATS;
2811         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
2812                 count += nb_rxqs * RTE_NB_RXQ_STATS;
2813                 count += nb_txqs * RTE_NB_TXQ_STATS;
2814         }
2815
2816         return count;
2817 }
2818
2819 static int
2820 eth_dev_get_xstats_count(uint16_t port_id)
2821 {
2822         struct rte_eth_dev *dev;
2823         int count;
2824
2825         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2826         dev = &rte_eth_devices[port_id];
2827         if (dev->dev_ops->xstats_get_names != NULL) {
2828                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2829                 if (count < 0)
2830                         return eth_err(port_id, count);
2831         } else
2832                 count = 0;
2833
2834
2835         count += eth_dev_get_xstats_basic_count(dev);
2836
2837         return count;
2838 }
2839
2840 int
2841 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2842                 uint64_t *id)
2843 {
2844         int cnt_xstats, idx_xstat;
2845
2846         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2847
2848         if (xstat_name == NULL) {
2849                 RTE_ETHDEV_LOG(ERR,
2850                         "Cannot get ethdev port %u xstats ID from NULL xstat name\n",
2851                         port_id);
2852                 return -ENOMEM;
2853         }
2854
2855         if (id == NULL) {
2856                 RTE_ETHDEV_LOG(ERR,
2857                         "Cannot get ethdev port %u xstats ID to NULL\n",
2858                         port_id);
2859                 return -ENOMEM;
2860         }
2861
2862         /* Get count */
2863         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2864         if (cnt_xstats  < 0) {
2865                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2866                 return -ENODEV;
2867         }
2868
2869         /* Get id-name lookup table */
2870         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2871
2872         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2873                         port_id, xstats_names, cnt_xstats, NULL)) {
2874                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2875                 return -1;
2876         }
2877
2878         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2879                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2880                         *id = idx_xstat;
2881                         return 0;
2882                 };
2883         }
2884
2885         return -EINVAL;
2886 }
2887
2888 /* retrieve basic stats names */
2889 static int
2890 eth_basic_stats_get_names(struct rte_eth_dev *dev,
2891         struct rte_eth_xstat_name *xstats_names)
2892 {
2893         int cnt_used_entries = 0;
2894         uint32_t idx, id_queue;
2895         uint16_t num_q;
2896
2897         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2898                 strlcpy(xstats_names[cnt_used_entries].name,
2899                         eth_dev_stats_strings[idx].name,
2900                         sizeof(xstats_names[0].name));
2901                 cnt_used_entries++;
2902         }
2903
2904         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
2905                 return cnt_used_entries;
2906
2907         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2908         for (id_queue = 0; id_queue < num_q; id_queue++) {
2909                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2910                         snprintf(xstats_names[cnt_used_entries].name,
2911                                 sizeof(xstats_names[0].name),
2912                                 "rx_q%u_%s",
2913                                 id_queue, eth_dev_rxq_stats_strings[idx].name);
2914                         cnt_used_entries++;
2915                 }
2916
2917         }
2918         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2919         for (id_queue = 0; id_queue < num_q; id_queue++) {
2920                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2921                         snprintf(xstats_names[cnt_used_entries].name,
2922                                 sizeof(xstats_names[0].name),
2923                                 "tx_q%u_%s",
2924                                 id_queue, eth_dev_txq_stats_strings[idx].name);
2925                         cnt_used_entries++;
2926                 }
2927         }
2928         return cnt_used_entries;
2929 }
2930
2931 /* retrieve ethdev extended statistics names */
2932 int
2933 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2934         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2935         uint64_t *ids)
2936 {
2937         struct rte_eth_xstat_name *xstats_names_copy;
2938         unsigned int no_basic_stat_requested = 1;
2939         unsigned int no_ext_stat_requested = 1;
2940         unsigned int expected_entries;
2941         unsigned int basic_count;
2942         struct rte_eth_dev *dev;
2943         unsigned int i;
2944         int ret;
2945
2946         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2947         dev = &rte_eth_devices[port_id];
2948
2949         basic_count = eth_dev_get_xstats_basic_count(dev);
2950         ret = eth_dev_get_xstats_count(port_id);
2951         if (ret < 0)
2952                 return ret;
2953         expected_entries = (unsigned int)ret;
2954
2955         /* Return max number of stats if no ids given */
2956         if (!ids) {
2957                 if (!xstats_names)
2958                         return expected_entries;
2959                 else if (xstats_names && size < expected_entries)
2960                         return expected_entries;
2961         }
2962
2963         if (ids && !xstats_names)
2964                 return -EINVAL;
2965
2966         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2967                 uint64_t ids_copy[size];
2968
2969                 for (i = 0; i < size; i++) {
2970                         if (ids[i] < basic_count) {
2971                                 no_basic_stat_requested = 0;
2972                                 break;
2973                         }
2974
2975                         /*
2976                          * Convert ids to xstats ids that PMD knows.
2977                          * ids known by user are basic + extended stats.
2978                          */
2979                         ids_copy[i] = ids[i] - basic_count;
2980                 }
2981
2982                 if (no_basic_stat_requested)
2983                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2984                                         ids_copy, xstats_names, size);
2985         }
2986
2987         /* Retrieve all stats */
2988         if (!ids) {
2989                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2990                                 expected_entries);
2991                 if (num_stats < 0 || num_stats > (int)expected_entries)
2992                         return num_stats;
2993                 else
2994                         return expected_entries;
2995         }
2996
2997         xstats_names_copy = calloc(expected_entries,
2998                 sizeof(struct rte_eth_xstat_name));
2999
3000         if (!xstats_names_copy) {
3001                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
3002                 return -ENOMEM;
3003         }
3004
3005         if (ids) {
3006                 for (i = 0; i < size; i++) {
3007                         if (ids[i] >= basic_count) {
3008                                 no_ext_stat_requested = 0;
3009                                 break;
3010                         }
3011                 }
3012         }
3013
3014         /* Fill xstats_names_copy structure */
3015         if (ids && no_ext_stat_requested) {
3016                 eth_basic_stats_get_names(dev, xstats_names_copy);
3017         } else {
3018                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
3019                         expected_entries);
3020                 if (ret < 0) {
3021                         free(xstats_names_copy);
3022                         return ret;
3023                 }
3024         }
3025
3026         /* Filter stats */
3027         for (i = 0; i < size; i++) {
3028                 if (ids[i] >= expected_entries) {
3029                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3030                         free(xstats_names_copy);
3031                         return -1;
3032                 }
3033                 xstats_names[i] = xstats_names_copy[ids[i]];
3034         }
3035
3036         free(xstats_names_copy);
3037         return size;
3038 }
3039
3040 int
3041 rte_eth_xstats_get_names(uint16_t port_id,
3042         struct rte_eth_xstat_name *xstats_names,
3043         unsigned int size)
3044 {
3045         struct rte_eth_dev *dev;
3046         int cnt_used_entries;
3047         int cnt_expected_entries;
3048         int cnt_driver_entries;
3049
3050         cnt_expected_entries = eth_dev_get_xstats_count(port_id);
3051         if (xstats_names == NULL || cnt_expected_entries < 0 ||
3052                         (int)size < cnt_expected_entries)
3053                 return cnt_expected_entries;
3054
3055         /* port_id checked in eth_dev_get_xstats_count() */
3056         dev = &rte_eth_devices[port_id];
3057
3058         cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);
3059
3060         if (dev->dev_ops->xstats_get_names != NULL) {
3061                 /* If there are any driver-specific xstats, append them
3062                  * to end of list.
3063                  */
3064                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
3065                         dev,
3066                         xstats_names + cnt_used_entries,
3067                         size - cnt_used_entries);
3068                 if (cnt_driver_entries < 0)
3069                         return eth_err(port_id, cnt_driver_entries);
3070                 cnt_used_entries += cnt_driver_entries;
3071         }
3072
3073         return cnt_used_entries;
3074 }
3075
3076
3077 static int
3078 eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
3079 {
3080         struct rte_eth_dev *dev;
3081         struct rte_eth_stats eth_stats;
3082         unsigned int count = 0, i, q;
3083         uint64_t val, *stats_ptr;
3084         uint16_t nb_rxqs, nb_txqs;
3085         int ret;
3086
3087         ret = rte_eth_stats_get(port_id, &eth_stats);
3088         if (ret < 0)
3089                 return ret;
3090
3091         dev = &rte_eth_devices[port_id];
3092
3093         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3094         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3095
3096         /* global stats */
3097         for (i = 0; i < RTE_NB_STATS; i++) {
3098                 stats_ptr = RTE_PTR_ADD(&eth_stats,
3099                                         eth_dev_stats_strings[i].offset);
3100                 val = *stats_ptr;
3101                 xstats[count++].value = val;
3102         }
3103
3104         if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
3105                 return count;
3106
3107         /* per-rxq stats */
3108         for (q = 0; q < nb_rxqs; q++) {
3109                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
3110                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3111                                         eth_dev_rxq_stats_strings[i].offset +
3112                                         q * sizeof(uint64_t));
3113                         val = *stats_ptr;
3114                         xstats[count++].value = val;
3115                 }
3116         }
3117
3118         /* per-txq stats */
3119         for (q = 0; q < nb_txqs; q++) {
3120                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
3121                         stats_ptr = RTE_PTR_ADD(&eth_stats,
3122                                         eth_dev_txq_stats_strings[i].offset +
3123                                         q * sizeof(uint64_t));
3124                         val = *stats_ptr;
3125                         xstats[count++].value = val;
3126                 }
3127         }
3128         return count;
3129 }
3130
3131 /* retrieve ethdev extended statistics */
3132 int
3133 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
3134                          uint64_t *values, unsigned int size)
3135 {
3136         unsigned int no_basic_stat_requested = 1;
3137         unsigned int no_ext_stat_requested = 1;
3138         unsigned int num_xstats_filled;
3139         unsigned int basic_count;
3140         uint16_t expected_entries;
3141         struct rte_eth_dev *dev;
3142         unsigned int i;
3143         int ret;
3144
3145         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3146         dev = &rte_eth_devices[port_id];
3147
3148         ret = eth_dev_get_xstats_count(port_id);
3149         if (ret < 0)
3150                 return ret;
3151         expected_entries = (uint16_t)ret;
3152         struct rte_eth_xstat xstats[expected_entries];
3153         basic_count = eth_dev_get_xstats_basic_count(dev);
3154
3155         /* Return max number of stats if no ids given */
3156         if (!ids) {
3157                 if (!values)
3158                         return expected_entries;
3159                 else if (values && size < expected_entries)
3160                         return expected_entries;
3161         }
3162
3163         if (ids && !values)
3164                 return -EINVAL;
3165
3166         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
3167                 unsigned int basic_count = eth_dev_get_xstats_basic_count(dev);
3168                 uint64_t ids_copy[size];
3169
3170                 for (i = 0; i < size; i++) {
3171                         if (ids[i] < basic_count) {
3172                                 no_basic_stat_requested = 0;
3173                                 break;
3174                         }
3175
3176                         /*
3177                          * Convert ids to xstats ids that PMD knows.
3178                          * ids known by user are basic + extended stats.
3179                          */
3180                         ids_copy[i] = ids[i] - basic_count;
3181                 }
3182
3183                 if (no_basic_stat_requested)
3184                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
3185                                         values, size);
3186         }
3187
3188         if (ids) {
3189                 for (i = 0; i < size; i++) {
3190                         if (ids[i] >= basic_count) {
3191                                 no_ext_stat_requested = 0;
3192                                 break;
3193                         }
3194                 }
3195         }
3196
3197         /* Fill the xstats structure */
3198         if (ids && no_ext_stat_requested)
3199                 ret = eth_basic_stats_get(port_id, xstats);
3200         else
3201                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
3202
3203         if (ret < 0)
3204                 return ret;
3205         num_xstats_filled = (unsigned int)ret;
3206
3207         /* Return all stats */
3208         if (!ids) {
3209                 for (i = 0; i < num_xstats_filled; i++)
3210                         values[i] = xstats[i].value;
3211                 return expected_entries;
3212         }
3213
3214         /* Filter stats */
3215         for (i = 0; i < size; i++) {
3216                 if (ids[i] >= expected_entries) {
3217                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
3218                         return -1;
3219                 }
3220                 values[i] = xstats[ids[i]].value;
3221         }
3222         return size;
3223 }
3224
3225 int
3226 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
3227         unsigned int n)
3228 {
3229         struct rte_eth_dev *dev;
3230         unsigned int count = 0, i;
3231         signed int xcount = 0;
3232         uint16_t nb_rxqs, nb_txqs;
3233         int ret;
3234
3235         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3236         dev = &rte_eth_devices[port_id];
3237
3238         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3239         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
3240
3241         /* Return generic statistics */
3242         count = RTE_NB_STATS;
3243         if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
3244                 count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
3245
3246         /* implemented by the driver */
3247         if (dev->dev_ops->xstats_get != NULL) {
3248                 /* Retrieve the xstats from the driver at the end of the
3249                  * xstats struct.
3250                  */
3251                 xcount = (*dev->dev_ops->xstats_get)(dev,
3252                                      xstats ? xstats + count : NULL,
3253                                      (n > count) ? n - count : 0);
3254
3255                 if (xcount < 0)
3256                         return eth_err(port_id, xcount);
3257         }
3258
3259         if (n < count + xcount || xstats == NULL)
3260                 return count + xcount;
3261
3262         /* now fill the xstats structure */
3263         ret = eth_basic_stats_get(port_id, xstats);
3264         if (ret < 0)
3265                 return ret;
3266         count = ret;
3267
3268         for (i = 0; i < count; i++)
3269                 xstats[i].id = i;
3270         /* add an offset to driver-specific stats */
3271         for ( ; i < count + xcount; i++)
3272                 xstats[i].id += count;
3273
3274         return count + xcount;
3275 }
3276
3277 /* reset ethdev extended statistics */
3278 int
3279 rte_eth_xstats_reset(uint16_t port_id)
3280 {
3281         struct rte_eth_dev *dev;
3282
3283         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3284         dev = &rte_eth_devices[port_id];
3285
3286         /* implemented by the driver */
3287         if (dev->dev_ops->xstats_reset != NULL)
3288                 return eth_err(port_id, (*dev->dev_ops->xstats_reset)(dev));
3289
3290         /* fallback to default */
3291         return rte_eth_stats_reset(port_id);
3292 }
3293
3294 static int
3295 eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
3296                 uint8_t stat_idx, uint8_t is_rx)
3297 {
3298         struct rte_eth_dev *dev;
3299
3300         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3301         dev = &rte_eth_devices[port_id];
3302
3303         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
3304                 return -EINVAL;
3305
3306         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
3307                 return -EINVAL;
3308
3309         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
3310                 return -EINVAL;
3311
3312         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
3313         return (*dev->dev_ops->queue_stats_mapping_set) (dev, queue_id, stat_idx, is_rx);
3314 }
3315
3316 int
3317 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
3318                 uint8_t stat_idx)
3319 {
3320         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3321                                                 tx_queue_id,
3322                                                 stat_idx, STAT_QMAP_TX));
3323 }
3324
3325 int
3326 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
3327                 uint8_t stat_idx)
3328 {
3329         return eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
3330                                                 rx_queue_id,
3331                                                 stat_idx, STAT_QMAP_RX));
3332 }
3333
3334 int
3335 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
3336 {
3337         struct rte_eth_dev *dev;
3338
3339         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3340         dev = &rte_eth_devices[port_id];
3341
3342         if (fw_version == NULL && fw_size > 0) {
3343                 RTE_ETHDEV_LOG(ERR,
3344                         "Cannot get ethdev port %u FW version to NULL when string size is non zero\n",
3345                         port_id);
3346                 return -EINVAL;
3347         }
3348
3349         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
3350         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
3351                                                         fw_version, fw_size));
3352 }
3353
3354 int
3355 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
3356 {
3357         struct rte_eth_dev *dev;
3358         const struct rte_eth_desc_lim lim = {
3359                 .nb_max = UINT16_MAX,
3360                 .nb_min = 0,
3361                 .nb_align = 1,
3362                 .nb_seg_max = UINT16_MAX,
3363                 .nb_mtu_seg_max = UINT16_MAX,
3364         };
3365         int diag;
3366
3367         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3368         dev = &rte_eth_devices[port_id];
3369
3370         if (dev_info == NULL) {
3371                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u info to NULL\n",
3372                         port_id);
3373                 return -EINVAL;
3374         }
3375
3376         /*
3377          * Init dev_info before port_id check since caller does not have
3378          * return status and does not know if get is successful or not.
3379          */
3380         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3381         dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
3382
3383         dev_info->rx_desc_lim = lim;
3384         dev_info->tx_desc_lim = lim;
3385         dev_info->device = dev->device;
3386         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
3387         dev_info->max_mtu = UINT16_MAX;
3388
3389         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
3390         diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
3391         if (diag != 0) {
3392                 /* Cleanup already filled in device information */
3393                 memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
3394                 return eth_err(port_id, diag);
3395         }
3396
3397         /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
3398         dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
3399                         RTE_MAX_QUEUES_PER_PORT);
3400         dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
3401                         RTE_MAX_QUEUES_PER_PORT);
3402
3403         dev_info->driver_name = dev->device->driver->name;
3404         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
3405         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
3406
3407         dev_info->dev_flags = &dev->data->dev_flags;
3408
3409         return 0;
3410 }
3411
3412 int
3413 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
3414                                  uint32_t *ptypes, int num)
3415 {
3416         int i, j;
3417         struct rte_eth_dev *dev;
3418         const uint32_t *all_ptypes;
3419
3420         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3421         dev = &rte_eth_devices[port_id];
3422
3423         if (ptypes == NULL && num > 0) {
3424                 RTE_ETHDEV_LOG(ERR,
3425                         "Cannot get ethdev port %u supported packet types to NULL when array size is non zero\n",
3426                         port_id);
3427                 return -EINVAL;
3428         }
3429
3430         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
3431         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3432
3433         if (!all_ptypes)
3434                 return 0;
3435
3436         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
3437                 if (all_ptypes[i] & ptype_mask) {
3438                         if (j < num)
3439                                 ptypes[j] = all_ptypes[i];
3440                         j++;
3441                 }
3442
3443         return j;
3444 }
3445
3446 int
3447 rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
3448                                  uint32_t *set_ptypes, unsigned int num)
3449 {
3450         const uint32_t valid_ptype_masks[] = {
3451                 RTE_PTYPE_L2_MASK,
3452                 RTE_PTYPE_L3_MASK,
3453                 RTE_PTYPE_L4_MASK,
3454                 RTE_PTYPE_TUNNEL_MASK,
3455                 RTE_PTYPE_INNER_L2_MASK,
3456                 RTE_PTYPE_INNER_L3_MASK,
3457                 RTE_PTYPE_INNER_L4_MASK,
3458         };
3459         const uint32_t *all_ptypes;
3460         struct rte_eth_dev *dev;
3461         uint32_t unused_mask;
3462         unsigned int i, j;
3463         int ret;
3464
3465         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3466         dev = &rte_eth_devices[port_id];
3467
3468         if (num > 0 && set_ptypes == NULL) {
3469                 RTE_ETHDEV_LOG(ERR,
3470                         "Cannot get ethdev port %u set packet types to NULL when array size is non zero\n",
3471                         port_id);
3472                 return -EINVAL;
3473         }
3474
3475         if (*dev->dev_ops->dev_supported_ptypes_get == NULL ||
3476                         *dev->dev_ops->dev_ptypes_set == NULL) {
3477                 ret = 0;
3478                 goto ptype_unknown;
3479         }
3480
3481         if (ptype_mask == 0) {
3482                 ret = (*dev->dev_ops->dev_ptypes_set)(dev,
3483                                 ptype_mask);
3484                 goto ptype_unknown;
3485         }
3486
3487         unused_mask = ptype_mask;
3488         for (i = 0; i < RTE_DIM(valid_ptype_masks); i++) {
3489                 uint32_t mask = ptype_mask & valid_ptype_masks[i];
3490                 if (mask && mask != valid_ptype_masks[i]) {
3491                         ret = -EINVAL;
3492                         goto ptype_unknown;
3493                 }
3494                 unused_mask &= ~valid_ptype_masks[i];
3495         }
3496
3497         if (unused_mask) {
3498                 ret = -EINVAL;
3499                 goto ptype_unknown;
3500         }
3501
3502         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
3503         if (all_ptypes == NULL) {
3504                 ret = 0;
3505                 goto ptype_unknown;
3506         }
3507
3508         /*
3509          * Accommodate as many set_ptypes as possible. If the supplied
3510          * set_ptypes array is insufficient fill it partially.
3511          */
3512         for (i = 0, j = 0; set_ptypes != NULL &&
3513                                 (all_ptypes[i] != RTE_PTYPE_UNKNOWN); ++i) {
3514                 if (ptype_mask & all_ptypes[i]) {
3515                         if (j < num - 1) {
3516                                 set_ptypes[j] = all_ptypes[i];
3517                                 j++;
3518                                 continue;
3519                         }
3520                         break;
3521                 }
3522         }
3523
3524         if (set_ptypes != NULL && j < num)
3525                 set_ptypes[j] = RTE_PTYPE_UNKNOWN;
3526
3527         return (*dev->dev_ops->dev_ptypes_set)(dev, ptype_mask);
3528
3529 ptype_unknown:
3530         if (num > 0)
3531                 set_ptypes[0] = RTE_PTYPE_UNKNOWN;
3532
3533         return ret;
3534 }
3535
3536 int
3537 rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr)
3538 {
3539         struct rte_eth_dev *dev;
3540
3541         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3542         dev = &rte_eth_devices[port_id];
3543
3544         if (mac_addr == NULL) {
3545                 RTE_ETHDEV_LOG(ERR,
3546                         "Cannot get ethdev port %u MAC address to NULL\n",
3547                         port_id);
3548                 return -EINVAL;
3549         }
3550
3551         rte_ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
3552
3553         return 0;
3554 }
3555
3556 int
3557 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
3558 {
3559         struct rte_eth_dev *dev;
3560
3561         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3562         dev = &rte_eth_devices[port_id];
3563
3564         if (mtu == NULL) {
3565                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u MTU to NULL\n",
3566                         port_id);
3567                 return -EINVAL;
3568         }
3569
3570         *mtu = dev->data->mtu;
3571         return 0;
3572 }
3573
3574 int
3575 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
3576 {
3577         int ret;
3578         struct rte_eth_dev_info dev_info;
3579         struct rte_eth_dev *dev;
3580
3581         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3582         dev = &rte_eth_devices[port_id];
3583         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
3584
3585         /*
3586          * Check if the device supports dev_infos_get, if it does not
3587          * skip min_mtu/max_mtu validation here as this requires values
3588          * that are populated within the call to rte_eth_dev_info_get()
3589          * which relies on dev->dev_ops->dev_infos_get.
3590          */
3591         if (*dev->dev_ops->dev_infos_get != NULL) {
3592                 ret = rte_eth_dev_info_get(port_id, &dev_info);
3593                 if (ret != 0)
3594                         return ret;
3595
3596                 if (mtu < dev_info.min_mtu || mtu > dev_info.max_mtu)
3597                         return -EINVAL;
3598         }
3599
3600         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
3601         if (!ret)
3602                 dev->data->mtu = mtu;
3603
3604         return eth_err(port_id, ret);
3605 }
3606
3607 int
3608 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
3609 {
3610         struct rte_eth_dev *dev;
3611         int ret;
3612
3613         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3614         dev = &rte_eth_devices[port_id];
3615
3616         if (!(dev->data->dev_conf.rxmode.offloads &
3617               DEV_RX_OFFLOAD_VLAN_FILTER)) {
3618                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
3619                         port_id);
3620                 return -ENOSYS;
3621         }
3622
3623         if (vlan_id > 4095) {
3624                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
3625                         port_id, vlan_id);
3626                 return -EINVAL;
3627         }
3628         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
3629
3630         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
3631         if (ret == 0) {
3632                 struct rte_vlan_filter_conf *vfc;
3633                 int vidx;
3634                 int vbit;
3635
3636                 vfc = &dev->data->vlan_filter_conf;
3637                 vidx = vlan_id / 64;
3638                 vbit = vlan_id % 64;
3639
3640                 if (on)
3641                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
3642                 else
3643                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
3644         }
3645
3646         return eth_err(port_id, ret);
3647 }
3648
3649 int
3650 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
3651                                     int on)
3652 {
3653         struct rte_eth_dev *dev;
3654
3655         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3656         dev = &rte_eth_devices[port_id];
3657
3658         if (rx_queue_id >= dev->data->nb_rx_queues) {
3659                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
3660                 return -EINVAL;
3661         }
3662
3663         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
3664         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
3665
3666         return 0;
3667 }
3668
3669 int
3670 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
3671                                 enum rte_vlan_type vlan_type,
3672                                 uint16_t tpid)
3673 {
3674         struct rte_eth_dev *dev;
3675
3676         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3677         dev = &rte_eth_devices[port_id];
3678
3679         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
3680         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
3681                                                                tpid));
3682 }
3683
3684 int
3685 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
3686 {
3687         struct rte_eth_dev_info dev_info;
3688         struct rte_eth_dev *dev;
3689         int ret = 0;
3690         int mask = 0;
3691         int cur, org = 0;
3692         uint64_t orig_offloads;
3693         uint64_t dev_offloads;
3694         uint64_t new_offloads;
3695
3696         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3697         dev = &rte_eth_devices[port_id];
3698
3699         /* save original values in case of failure */
3700         orig_offloads = dev->data->dev_conf.rxmode.offloads;
3701         dev_offloads = orig_offloads;
3702
3703         /* check which option changed by application */
3704         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
3705         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
3706         if (cur != org) {
3707                 if (cur)
3708                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
3709                 else
3710                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
3711                 mask |= ETH_VLAN_STRIP_MASK;
3712         }
3713
3714         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
3715         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
3716         if (cur != org) {
3717                 if (cur)
3718                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3719                 else
3720                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
3721                 mask |= ETH_VLAN_FILTER_MASK;
3722         }
3723
3724         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
3725         org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
3726         if (cur != org) {
3727                 if (cur)
3728                         dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
3729                 else
3730                         dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
3731                 mask |= ETH_VLAN_EXTEND_MASK;
3732         }
3733
3734         cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
3735         org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
3736         if (cur != org) {
3737                 if (cur)
3738                         dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
3739                 else
3740                         dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
3741                 mask |= ETH_QINQ_STRIP_MASK;
3742         }
3743
3744         /*no change*/
3745         if (mask == 0)
3746                 return ret;
3747
3748         ret = rte_eth_dev_info_get(port_id, &dev_info);
3749         if (ret != 0)
3750                 return ret;
3751
3752         /* Rx VLAN offloading must be within its device capabilities */
3753         if ((dev_offloads & dev_info.rx_offload_capa) != dev_offloads) {
3754                 new_offloads = dev_offloads & ~orig_offloads;
3755                 RTE_ETHDEV_LOG(ERR,
3756                         "Ethdev port_id=%u requested new added VLAN offloads "
3757                         "0x%" PRIx64 " must be within Rx offloads capabilities "
3758                         "0x%" PRIx64 " in %s()\n",
3759                         port_id, new_offloads, dev_info.rx_offload_capa,
3760                         __func__);
3761                 return -EINVAL;
3762         }
3763
3764         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
3765         dev->data->dev_conf.rxmode.offloads = dev_offloads;
3766         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
3767         if (ret) {
3768                 /* hit an error restore  original values */
3769                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
3770         }
3771
3772         return eth_err(port_id, ret);
3773 }
3774
3775 int
3776 rte_eth_dev_get_vlan_offload(uint16_t port_id)
3777 {
3778         struct rte_eth_dev *dev;
3779         uint64_t *dev_offloads;
3780         int ret = 0;
3781
3782         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3783         dev = &rte_eth_devices[port_id];
3784         dev_offloads = &dev->data->dev_conf.rxmode.offloads;
3785
3786         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
3787                 ret |= ETH_VLAN_STRIP_OFFLOAD;
3788
3789         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
3790                 ret |= ETH_VLAN_FILTER_OFFLOAD;
3791
3792         if (*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
3793                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
3794
3795         if (*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP)
3796                 ret |= ETH_QINQ_STRIP_OFFLOAD;
3797
3798         return ret;
3799 }
3800
3801 int
3802 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
3803 {
3804         struct rte_eth_dev *dev;
3805
3806         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3807         dev = &rte_eth_devices[port_id];
3808
3809         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
3810         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
3811 }
3812
3813 int
3814 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3815 {
3816         struct rte_eth_dev *dev;
3817
3818         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3819         dev = &rte_eth_devices[port_id];
3820
3821         if (fc_conf == NULL) {
3822                 RTE_ETHDEV_LOG(ERR,
3823                         "Cannot get ethdev port %u flow control config to NULL\n",
3824                         port_id);
3825                 return -EINVAL;
3826         }
3827
3828         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
3829         memset(fc_conf, 0, sizeof(*fc_conf));
3830         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
3831 }
3832
3833 int
3834 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
3835 {
3836         struct rte_eth_dev *dev;
3837
3838         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3839         dev = &rte_eth_devices[port_id];
3840
3841         if (fc_conf == NULL) {
3842                 RTE_ETHDEV_LOG(ERR,
3843                         "Cannot set ethdev port %u flow control from NULL config\n",
3844                         port_id);
3845                 return -EINVAL;
3846         }
3847
3848         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
3849                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
3850                 return -EINVAL;
3851         }
3852
3853         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
3854         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
3855 }
3856
3857 int
3858 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
3859                                    struct rte_eth_pfc_conf *pfc_conf)
3860 {
3861         struct rte_eth_dev *dev;
3862
3863         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3864         dev = &rte_eth_devices[port_id];
3865
3866         if (pfc_conf == NULL) {
3867                 RTE_ETHDEV_LOG(ERR,
3868                         "Cannot set ethdev port %u priority flow control from NULL config\n",
3869                         port_id);
3870                 return -EINVAL;
3871         }
3872
3873         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
3874                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
3875                 return -EINVAL;
3876         }
3877
3878         /* High water, low water validation are device specific */
3879         if  (*dev->dev_ops->priority_flow_ctrl_set)
3880                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
3881                                         (dev, pfc_conf));
3882         return -ENOTSUP;
3883 }
3884
3885 static int
3886 eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
3887                         uint16_t reta_size)
3888 {
3889         uint16_t i, num;
3890
3891         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
3892         for (i = 0; i < num; i++) {
3893                 if (reta_conf[i].mask)
3894                         return 0;
3895         }
3896
3897         return -EINVAL;
3898 }
3899
3900 static int
3901 eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
3902                          uint16_t reta_size,
3903                          uint16_t max_rxq)
3904 {
3905         uint16_t i, idx, shift;
3906
3907         if (max_rxq == 0) {
3908                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
3909                 return -EINVAL;
3910         }
3911
3912         for (i = 0; i < reta_size; i++) {
3913                 idx = i / RTE_RETA_GROUP_SIZE;
3914                 shift = i % RTE_RETA_GROUP_SIZE;
3915                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
3916                         (reta_conf[idx].reta[shift] >= max_rxq)) {
3917                         RTE_ETHDEV_LOG(ERR,
3918                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
3919                                 idx, shift,
3920                                 reta_conf[idx].reta[shift], max_rxq);
3921                         return -EINVAL;
3922                 }
3923         }
3924
3925         return 0;
3926 }
3927
3928 int
3929 rte_eth_dev_rss_reta_update(uint16_t port_id,
3930                             struct rte_eth_rss_reta_entry64 *reta_conf,
3931                             uint16_t reta_size)
3932 {
3933         struct rte_eth_dev *dev;
3934         int ret;
3935
3936         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3937         dev = &rte_eth_devices[port_id];
3938
3939         if (reta_conf == NULL) {
3940                 RTE_ETHDEV_LOG(ERR,
3941                         "Cannot update ethdev port %u RSS RETA to NULL\n",
3942                         port_id);
3943                 return -EINVAL;
3944         }
3945
3946         if (reta_size == 0) {
3947                 RTE_ETHDEV_LOG(ERR,
3948                         "Cannot update ethdev port %u RSS RETA with zero size\n",
3949                         port_id);
3950                 return -EINVAL;
3951         }
3952
3953         /* Check mask bits */
3954         ret = eth_check_reta_mask(reta_conf, reta_size);
3955         if (ret < 0)
3956                 return ret;
3957
3958         /* Check entry value */
3959         ret = eth_check_reta_entry(reta_conf, reta_size,
3960                                 dev->data->nb_rx_queues);
3961         if (ret < 0)
3962                 return ret;
3963
3964         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
3965         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
3966                                                              reta_size));
3967 }
3968
3969 int
3970 rte_eth_dev_rss_reta_query(uint16_t port_id,
3971                            struct rte_eth_rss_reta_entry64 *reta_conf,
3972                            uint16_t reta_size)
3973 {
3974         struct rte_eth_dev *dev;
3975         int ret;
3976
3977         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3978         dev = &rte_eth_devices[port_id];
3979
3980         if (reta_conf == NULL) {
3981                 RTE_ETHDEV_LOG(ERR,
3982                         "Cannot query ethdev port %u RSS RETA from NULL config\n",
3983                         port_id);
3984                 return -EINVAL;
3985         }
3986
3987         /* Check mask bits */
3988         ret = eth_check_reta_mask(reta_conf, reta_size);
3989         if (ret < 0)
3990                 return ret;
3991
3992         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
3993         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
3994                                                             reta_size));
3995 }
3996
3997 int
3998 rte_eth_dev_rss_hash_update(uint16_t port_id,
3999                             struct rte_eth_rss_conf *rss_conf)
4000 {
4001         struct rte_eth_dev *dev;
4002         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
4003         int ret;
4004
4005         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4006         dev = &rte_eth_devices[port_id];
4007
4008         if (rss_conf == NULL) {
4009                 RTE_ETHDEV_LOG(ERR,
4010                         "Cannot update ethdev port %u RSS hash from NULL config\n",
4011                         port_id);
4012                 return -EINVAL;
4013         }
4014
4015         ret = rte_eth_dev_info_get(port_id, &dev_info);
4016         if (ret != 0)
4017                 return ret;
4018
4019         rss_conf->rss_hf = rte_eth_rss_hf_refine(rss_conf->rss_hf);
4020         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
4021             dev_info.flow_type_rss_offloads) {
4022                 RTE_ETHDEV_LOG(ERR,
4023                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
4024                         port_id, rss_conf->rss_hf,
4025                         dev_info.flow_type_rss_offloads);
4026                 return -EINVAL;
4027         }
4028         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
4029         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
4030                                                                  rss_conf));
4031 }
4032
4033 int
4034 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
4035                               struct rte_eth_rss_conf *rss_conf)
4036 {
4037         struct rte_eth_dev *dev;
4038
4039         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4040         dev = &rte_eth_devices[port_id];
4041
4042         if (rss_conf == NULL) {
4043                 RTE_ETHDEV_LOG(ERR,
4044                         "Cannot get ethdev port %u RSS hash config to NULL\n",
4045                         port_id);
4046                 return -EINVAL;
4047         }
4048
4049         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
4050         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
4051                                                                    rss_conf));
4052 }
4053
4054 int
4055 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
4056                                 struct rte_eth_udp_tunnel *udp_tunnel)
4057 {
4058         struct rte_eth_dev *dev;
4059
4060         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4061         dev = &rte_eth_devices[port_id];
4062
4063         if (udp_tunnel == NULL) {
4064                 RTE_ETHDEV_LOG(ERR,
4065                         "Cannot add ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4066                         port_id);
4067                 return -EINVAL;
4068         }
4069
4070         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4071                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4072                 return -EINVAL;
4073         }
4074
4075         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
4076         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
4077                                                                 udp_tunnel));
4078 }
4079
4080 int
4081 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
4082                                    struct rte_eth_udp_tunnel *udp_tunnel)
4083 {
4084         struct rte_eth_dev *dev;
4085
4086         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4087         dev = &rte_eth_devices[port_id];
4088
4089         if (udp_tunnel == NULL) {
4090                 RTE_ETHDEV_LOG(ERR,
4091                         "Cannot delete ethdev port %u UDP tunnel port from NULL UDP tunnel\n",
4092                         port_id);
4093                 return -EINVAL;
4094         }
4095
4096         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
4097                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4098                 return -EINVAL;
4099         }
4100
4101         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
4102         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
4103                                                                 udp_tunnel));
4104 }
4105
4106 int
4107 rte_eth_led_on(uint16_t port_id)
4108 {
4109         struct rte_eth_dev *dev;
4110
4111         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4112         dev = &rte_eth_devices[port_id];
4113
4114         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
4115         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
4116 }
4117
4118 int
4119 rte_eth_led_off(uint16_t port_id)
4120 {
4121         struct rte_eth_dev *dev;
4122
4123         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4124         dev = &rte_eth_devices[port_id];
4125
4126         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
4127         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
4128 }
4129
4130 int
4131 rte_eth_fec_get_capability(uint16_t port_id,
4132                            struct rte_eth_fec_capa *speed_fec_capa,
4133                            unsigned int num)
4134 {
4135         struct rte_eth_dev *dev;
4136         int ret;
4137
4138         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4139         dev = &rte_eth_devices[port_id];
4140
4141         if (speed_fec_capa == NULL && num > 0) {
4142                 RTE_ETHDEV_LOG(ERR,
4143                         "Cannot get ethdev port %u FEC capability to NULL when array size is non zero\n",
4144                         port_id);
4145                 return -EINVAL;
4146         }
4147
4148         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get_capability, -ENOTSUP);
4149         ret = (*dev->dev_ops->fec_get_capability)(dev, speed_fec_capa, num);
4150
4151         return ret;
4152 }
4153
4154 int
4155 rte_eth_fec_get(uint16_t port_id, uint32_t *fec_capa)
4156 {
4157         struct rte_eth_dev *dev;
4158
4159         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4160         dev = &rte_eth_devices[port_id];
4161
4162         if (fec_capa == NULL) {
4163                 RTE_ETHDEV_LOG(ERR,
4164                         "Cannot get ethdev port %u current FEC mode to NULL\n",
4165                         port_id);
4166                 return -EINVAL;
4167         }
4168
4169         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_get, -ENOTSUP);
4170         return eth_err(port_id, (*dev->dev_ops->fec_get)(dev, fec_capa));
4171 }
4172
4173 int
4174 rte_eth_fec_set(uint16_t port_id, uint32_t fec_capa)
4175 {
4176         struct rte_eth_dev *dev;
4177
4178         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4179         dev = &rte_eth_devices[port_id];
4180
4181         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fec_set, -ENOTSUP);
4182         return eth_err(port_id, (*dev->dev_ops->fec_set)(dev, fec_capa));
4183 }
4184
4185 /*
4186  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4187  * an empty spot.
4188  */
4189 static int
4190 eth_dev_get_mac_addr_index(uint16_t port_id, const struct rte_ether_addr *addr)
4191 {
4192         struct rte_eth_dev_info dev_info;
4193         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4194         unsigned i;
4195         int ret;
4196
4197         ret = rte_eth_dev_info_get(port_id, &dev_info);
4198         if (ret != 0)
4199                 return -1;
4200
4201         for (i = 0; i < dev_info.max_mac_addrs; i++)
4202                 if (memcmp(addr, &dev->data->mac_addrs[i],
4203                                 RTE_ETHER_ADDR_LEN) == 0)
4204                         return i;
4205
4206         return -1;
4207 }
4208
4209 static const struct rte_ether_addr null_mac_addr;
4210
4211 int
4212 rte_eth_dev_mac_addr_add(uint16_t port_id, struct rte_ether_addr *addr,
4213                         uint32_t pool)
4214 {
4215         struct rte_eth_dev *dev;
4216         int index;
4217         uint64_t pool_mask;
4218         int ret;
4219
4220         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4221         dev = &rte_eth_devices[port_id];
4222
4223         if (addr == NULL) {
4224                 RTE_ETHDEV_LOG(ERR,
4225                         "Cannot add ethdev port %u MAC address from NULL address\n",
4226                         port_id);
4227                 return -EINVAL;
4228         }
4229
4230         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
4231
4232         if (rte_is_zero_ether_addr(addr)) {
4233                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4234                         port_id);
4235                 return -EINVAL;
4236         }
4237         if (pool >= ETH_64_POOLS) {
4238                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
4239                 return -EINVAL;
4240         }
4241
4242         index = eth_dev_get_mac_addr_index(port_id, addr);
4243         if (index < 0) {
4244                 index = eth_dev_get_mac_addr_index(port_id, &null_mac_addr);
4245                 if (index < 0) {
4246                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4247                                 port_id);
4248                         return -ENOSPC;
4249                 }
4250         } else {
4251                 pool_mask = dev->data->mac_pool_sel[index];
4252
4253                 /* Check if both MAC address and pool is already there, and do nothing */
4254                 if (pool_mask & (1ULL << pool))
4255                         return 0;
4256         }
4257
4258         /* Update NIC */
4259         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
4260
4261         if (ret == 0) {
4262                 /* Update address in NIC data structure */
4263                 rte_ether_addr_copy(addr, &dev->data->mac_addrs[index]);
4264
4265                 /* Update pool bitmap in NIC data structure */
4266                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
4267         }
4268
4269         return eth_err(port_id, ret);
4270 }
4271
4272 int
4273 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct rte_ether_addr *addr)
4274 {
4275         struct rte_eth_dev *dev;
4276         int index;
4277
4278         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4279         dev = &rte_eth_devices[port_id];
4280
4281         if (addr == NULL) {
4282                 RTE_ETHDEV_LOG(ERR,
4283                         "Cannot remove ethdev port %u MAC address from NULL address\n",
4284                         port_id);
4285                 return -EINVAL;
4286         }
4287
4288         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
4289
4290         index = eth_dev_get_mac_addr_index(port_id, addr);
4291         if (index == 0) {
4292                 RTE_ETHDEV_LOG(ERR,
4293                         "Port %u: Cannot remove default MAC address\n",
4294                         port_id);
4295                 return -EADDRINUSE;
4296         } else if (index < 0)
4297                 return 0;  /* Do nothing if address wasn't found */
4298
4299         /* Update NIC */
4300         (*dev->dev_ops->mac_addr_remove)(dev, index);
4301
4302         /* Update address in NIC data structure */
4303         rte_ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
4304
4305         /* reset pool bitmap */
4306         dev->data->mac_pool_sel[index] = 0;
4307
4308         return 0;
4309 }
4310
4311 int
4312 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct rte_ether_addr *addr)
4313 {
4314         struct rte_eth_dev *dev;
4315         int ret;
4316
4317         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4318         dev = &rte_eth_devices[port_id];
4319
4320         if (addr == NULL) {
4321                 RTE_ETHDEV_LOG(ERR,
4322                         "Cannot set ethdev port %u default MAC address from NULL address\n",
4323                         port_id);
4324                 return -EINVAL;
4325         }
4326
4327         if (!rte_is_valid_assigned_ether_addr(addr))
4328                 return -EINVAL;
4329
4330         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
4331
4332         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
4333         if (ret < 0)
4334                 return ret;
4335
4336         /* Update default address in NIC data structure */
4337         rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
4338
4339         return 0;
4340 }
4341
4342
4343 /*
4344  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
4345  * an empty spot.
4346  */
4347 static int
4348 eth_dev_get_hash_mac_addr_index(uint16_t port_id,
4349                 const struct rte_ether_addr *addr)
4350 {
4351         struct rte_eth_dev_info dev_info;
4352         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
4353         unsigned i;
4354         int ret;
4355
4356         ret = rte_eth_dev_info_get(port_id, &dev_info);
4357         if (ret != 0)
4358                 return -1;
4359
4360         if (!dev->data->hash_mac_addrs)
4361                 return -1;
4362
4363         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
4364                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
4365                         RTE_ETHER_ADDR_LEN) == 0)
4366                         return i;
4367
4368         return -1;
4369 }
4370
4371 int
4372 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct rte_ether_addr *addr,
4373                                 uint8_t on)
4374 {
4375         int index;
4376         int ret;
4377         struct rte_eth_dev *dev;
4378
4379         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4380         dev = &rte_eth_devices[port_id];
4381
4382         if (addr == NULL) {
4383                 RTE_ETHDEV_LOG(ERR,
4384                         "Cannot set ethdev port %u unicast hash table from NULL address\n",
4385                         port_id);
4386                 return -EINVAL;
4387         }
4388
4389         if (rte_is_zero_ether_addr(addr)) {
4390                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
4391                         port_id);
4392                 return -EINVAL;
4393         }
4394
4395         index = eth_dev_get_hash_mac_addr_index(port_id, addr);
4396         /* Check if it's already there, and do nothing */
4397         if ((index >= 0) && on)
4398                 return 0;
4399
4400         if (index < 0) {
4401                 if (!on) {
4402                         RTE_ETHDEV_LOG(ERR,
4403                                 "Port %u: the MAC address was not set in UTA\n",
4404                                 port_id);
4405                         return -EINVAL;
4406                 }
4407
4408                 index = eth_dev_get_hash_mac_addr_index(port_id, &null_mac_addr);
4409                 if (index < 0) {
4410                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
4411                                 port_id);
4412                         return -ENOSPC;
4413                 }
4414         }
4415
4416         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
4417         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
4418         if (ret == 0) {
4419                 /* Update address in NIC data structure */
4420                 if (on)
4421                         rte_ether_addr_copy(addr,
4422                                         &dev->data->hash_mac_addrs[index]);
4423                 else
4424                         rte_ether_addr_copy(&null_mac_addr,
4425                                         &dev->data->hash_mac_addrs[index]);
4426         }
4427
4428         return eth_err(port_id, ret);
4429 }
4430
4431 int
4432 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
4433 {
4434         struct rte_eth_dev *dev;
4435
4436         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4437         dev = &rte_eth_devices[port_id];
4438
4439         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
4440         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
4441                                                                        on));
4442 }
4443
4444 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
4445                                         uint16_t tx_rate)
4446 {
4447         struct rte_eth_dev *dev;
4448         struct rte_eth_dev_info dev_info;
4449         struct rte_eth_link link;
4450         int ret;
4451
4452         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4453         dev = &rte_eth_devices[port_id];
4454
4455         ret = rte_eth_dev_info_get(port_id, &dev_info);
4456         if (ret != 0)
4457                 return ret;
4458
4459         link = dev->data->dev_link;
4460
4461         if (queue_idx > dev_info.max_tx_queues) {
4462                 RTE_ETHDEV_LOG(ERR,
4463                         "Set queue rate limit:port %u: invalid queue id=%u\n",
4464                         port_id, queue_idx);
4465                 return -EINVAL;
4466         }
4467
4468         if (tx_rate > link.link_speed) {
4469                 RTE_ETHDEV_LOG(ERR,
4470                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
4471                         tx_rate, link.link_speed);
4472                 return -EINVAL;
4473         }
4474
4475         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
4476         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
4477                                                         queue_idx, tx_rate));
4478 }
4479
4480 RTE_INIT(eth_dev_init_cb_lists)
4481 {
4482         uint16_t i;
4483
4484         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
4485                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
4486 }
4487
4488 int
4489 rte_eth_dev_callback_register(uint16_t port_id,
4490                         enum rte_eth_event_type event,
4491                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4492 {
4493         struct rte_eth_dev *dev;
4494         struct rte_eth_dev_callback *user_cb;
4495         uint16_t next_port;
4496         uint16_t last_port;
4497
4498         if (cb_fn == NULL) {
4499                 RTE_ETHDEV_LOG(ERR,
4500                         "Cannot register ethdev port %u callback from NULL\n",
4501                         port_id);
4502                 return -EINVAL;
4503         }
4504
4505         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4506                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4507                 return -EINVAL;
4508         }
4509
4510         if (port_id == RTE_ETH_ALL) {
4511                 next_port = 0;
4512                 last_port = RTE_MAX_ETHPORTS - 1;
4513         } else {
4514                 next_port = last_port = port_id;
4515         }
4516
4517         rte_spinlock_lock(&eth_dev_cb_lock);
4518
4519         do {
4520                 dev = &rte_eth_devices[next_port];
4521
4522                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
4523                         if (user_cb->cb_fn == cb_fn &&
4524                                 user_cb->cb_arg == cb_arg &&
4525                                 user_cb->event == event) {
4526                                 break;
4527                         }
4528                 }
4529
4530                 /* create a new callback. */
4531                 if (user_cb == NULL) {
4532                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
4533                                 sizeof(struct rte_eth_dev_callback), 0);
4534                         if (user_cb != NULL) {
4535                                 user_cb->cb_fn = cb_fn;
4536                                 user_cb->cb_arg = cb_arg;
4537                                 user_cb->event = event;
4538                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
4539                                                   user_cb, next);
4540                         } else {
4541                                 rte_spinlock_unlock(&eth_dev_cb_lock);
4542                                 rte_eth_dev_callback_unregister(port_id, event,
4543                                                                 cb_fn, cb_arg);
4544                                 return -ENOMEM;
4545                         }
4546
4547                 }
4548         } while (++next_port <= last_port);
4549
4550         rte_spinlock_unlock(&eth_dev_cb_lock);
4551         return 0;
4552 }
4553
4554 int
4555 rte_eth_dev_callback_unregister(uint16_t port_id,
4556                         enum rte_eth_event_type event,
4557                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
4558 {
4559         int ret;
4560         struct rte_eth_dev *dev;
4561         struct rte_eth_dev_callback *cb, *next;
4562         uint16_t next_port;
4563         uint16_t last_port;
4564
4565         if (cb_fn == NULL) {
4566                 RTE_ETHDEV_LOG(ERR,
4567                         "Cannot unregister ethdev port %u callback from NULL\n",
4568                         port_id);
4569                 return -EINVAL;
4570         }
4571
4572         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
4573                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
4574                 return -EINVAL;
4575         }
4576
4577         if (port_id == RTE_ETH_ALL) {
4578                 next_port = 0;
4579                 last_port = RTE_MAX_ETHPORTS - 1;
4580         } else {
4581                 next_port = last_port = port_id;
4582         }
4583
4584         rte_spinlock_lock(&eth_dev_cb_lock);
4585
4586         do {
4587                 dev = &rte_eth_devices[next_port];
4588                 ret = 0;
4589                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
4590                      cb = next) {
4591
4592                         next = TAILQ_NEXT(cb, next);
4593
4594                         if (cb->cb_fn != cb_fn || cb->event != event ||
4595                             (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
4596                                 continue;
4597
4598                         /*
4599                          * if this callback is not executing right now,
4600                          * then remove it.
4601                          */
4602                         if (cb->active == 0) {
4603                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
4604                                 rte_free(cb);
4605                         } else {
4606                                 ret = -EAGAIN;
4607                         }
4608                 }
4609         } while (++next_port <= last_port);
4610
4611         rte_spinlock_unlock(&eth_dev_cb_lock);
4612         return ret;
4613 }
4614
4615 int
4616 rte_eth_dev_callback_process(struct rte_eth_dev *dev,
4617         enum rte_eth_event_type event, void *ret_param)
4618 {
4619         struct rte_eth_dev_callback *cb_lst;
4620         struct rte_eth_dev_callback dev_cb;
4621         int rc = 0;
4622
4623         rte_spinlock_lock(&eth_dev_cb_lock);
4624         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
4625                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
4626                         continue;
4627                 dev_cb = *cb_lst;
4628                 cb_lst->active = 1;
4629                 if (ret_param != NULL)
4630                         dev_cb.ret_param = ret_param;
4631
4632                 rte_spinlock_unlock(&eth_dev_cb_lock);
4633                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
4634                                 dev_cb.cb_arg, dev_cb.ret_param);
4635                 rte_spinlock_lock(&eth_dev_cb_lock);
4636                 cb_lst->active = 0;
4637         }
4638         rte_spinlock_unlock(&eth_dev_cb_lock);
4639         return rc;
4640 }
4641
4642 void
4643 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
4644 {
4645         if (dev == NULL)
4646                 return;
4647
4648         rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
4649
4650         dev->state = RTE_ETH_DEV_ATTACHED;
4651 }
4652
4653 int
4654 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
4655 {
4656         uint32_t vec;
4657         struct rte_eth_dev *dev;
4658         struct rte_intr_handle *intr_handle;
4659         uint16_t qid;
4660         int rc;
4661
4662         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4663         dev = &rte_eth_devices[port_id];
4664
4665         if (!dev->intr_handle) {
4666                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4667                 return -ENOTSUP;
4668         }
4669
4670         intr_handle = dev->intr_handle;
4671         if (!intr_handle->intr_vec) {
4672                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4673                 return -EPERM;
4674         }
4675
4676         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
4677                 vec = intr_handle->intr_vec[qid];
4678                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4679                 if (rc && rc != -EEXIST) {
4680                         RTE_ETHDEV_LOG(ERR,
4681                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4682                                 port_id, qid, op, epfd, vec);
4683                 }
4684         }
4685
4686         return 0;
4687 }
4688
4689 int
4690 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
4691 {
4692         struct rte_intr_handle *intr_handle;
4693         struct rte_eth_dev *dev;
4694         unsigned int efd_idx;
4695         uint32_t vec;
4696         int fd;
4697
4698         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
4699         dev = &rte_eth_devices[port_id];
4700
4701         if (queue_id >= dev->data->nb_rx_queues) {
4702                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4703                 return -1;
4704         }
4705
4706         if (!dev->intr_handle) {
4707                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4708                 return -1;
4709         }
4710
4711         intr_handle = dev->intr_handle;
4712         if (!intr_handle->intr_vec) {
4713                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4714                 return -1;
4715         }
4716
4717         vec = intr_handle->intr_vec[queue_id];
4718         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
4719                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
4720         fd = intr_handle->efds[efd_idx];
4721
4722         return fd;
4723 }
4724
4725 static inline int
4726 eth_dev_dma_mzone_name(char *name, size_t len, uint16_t port_id, uint16_t queue_id,
4727                 const char *ring_name)
4728 {
4729         return snprintf(name, len, "eth_p%d_q%d_%s",
4730                         port_id, queue_id, ring_name);
4731 }
4732
4733 const struct rte_memzone *
4734 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
4735                          uint16_t queue_id, size_t size, unsigned align,
4736                          int socket_id)
4737 {
4738         char z_name[RTE_MEMZONE_NAMESIZE];
4739         const struct rte_memzone *mz;
4740         int rc;
4741
4742         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4743                         queue_id, ring_name);
4744         if (rc >= RTE_MEMZONE_NAMESIZE) {
4745                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4746                 rte_errno = ENAMETOOLONG;
4747                 return NULL;
4748         }
4749
4750         mz = rte_memzone_lookup(z_name);
4751         if (mz) {
4752                 if ((socket_id != SOCKET_ID_ANY && socket_id != mz->socket_id) ||
4753                                 size > mz->len ||
4754                                 ((uintptr_t)mz->addr & (align - 1)) != 0) {
4755                         RTE_ETHDEV_LOG(ERR,
4756                                 "memzone %s does not justify the requested attributes\n",
4757                                 mz->name);
4758                         return NULL;
4759                 }
4760
4761                 return mz;
4762         }
4763
4764         return rte_memzone_reserve_aligned(z_name, size, socket_id,
4765                         RTE_MEMZONE_IOVA_CONTIG, align);
4766 }
4767
4768 int
4769 rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name,
4770                 uint16_t queue_id)
4771 {
4772         char z_name[RTE_MEMZONE_NAMESIZE];
4773         const struct rte_memzone *mz;
4774         int rc = 0;
4775
4776         rc = eth_dev_dma_mzone_name(z_name, sizeof(z_name), dev->data->port_id,
4777                         queue_id, ring_name);
4778         if (rc >= RTE_MEMZONE_NAMESIZE) {
4779                 RTE_ETHDEV_LOG(ERR, "ring name too long\n");
4780                 return -ENAMETOOLONG;
4781         }
4782
4783         mz = rte_memzone_lookup(z_name);
4784         if (mz)
4785                 rc = rte_memzone_free(mz);
4786         else
4787                 rc = -ENOENT;
4788
4789         return rc;
4790 }
4791
4792 int
4793 rte_eth_dev_create(struct rte_device *device, const char *name,
4794         size_t priv_data_size,
4795         ethdev_bus_specific_init ethdev_bus_specific_init,
4796         void *bus_init_params,
4797         ethdev_init_t ethdev_init, void *init_params)
4798 {
4799         struct rte_eth_dev *ethdev;
4800         int retval;
4801
4802         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
4803
4804         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
4805                 ethdev = rte_eth_dev_allocate(name);
4806                 if (!ethdev)
4807                         return -ENODEV;
4808
4809                 if (priv_data_size) {
4810                         ethdev->data->dev_private = rte_zmalloc_socket(
4811                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
4812                                 device->numa_node);
4813
4814                         if (!ethdev->data->dev_private) {
4815                                 RTE_ETHDEV_LOG(ERR,
4816                                         "failed to allocate private data\n");
4817                                 retval = -ENOMEM;
4818                                 goto probe_failed;
4819                         }
4820                 }
4821         } else {
4822                 ethdev = rte_eth_dev_attach_secondary(name);
4823                 if (!ethdev) {
4824                         RTE_ETHDEV_LOG(ERR,
4825                                 "secondary process attach failed, ethdev doesn't exist\n");
4826                         return  -ENODEV;
4827                 }
4828         }
4829
4830         ethdev->device = device;
4831
4832         if (ethdev_bus_specific_init) {
4833                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
4834                 if (retval) {
4835                         RTE_ETHDEV_LOG(ERR,
4836                                 "ethdev bus specific initialisation failed\n");
4837                         goto probe_failed;
4838                 }
4839         }
4840
4841         retval = ethdev_init(ethdev, init_params);
4842         if (retval) {
4843                 RTE_ETHDEV_LOG(ERR, "ethdev initialisation failed\n");
4844                 goto probe_failed;
4845         }
4846
4847         rte_eth_dev_probing_finish(ethdev);
4848
4849         return retval;
4850
4851 probe_failed:
4852         rte_eth_dev_release_port(ethdev);
4853         return retval;
4854 }
4855
4856 int
4857 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
4858         ethdev_uninit_t ethdev_uninit)
4859 {
4860         int ret;
4861
4862         ethdev = rte_eth_dev_allocated(ethdev->data->name);
4863         if (!ethdev)
4864                 return -ENODEV;
4865
4866         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
4867
4868         ret = ethdev_uninit(ethdev);
4869         if (ret)
4870                 return ret;
4871
4872         return rte_eth_dev_release_port(ethdev);
4873 }
4874
4875 int
4876 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
4877                           int epfd, int op, void *data)
4878 {
4879         uint32_t vec;
4880         struct rte_eth_dev *dev;
4881         struct rte_intr_handle *intr_handle;
4882         int rc;
4883
4884         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4885         dev = &rte_eth_devices[port_id];
4886
4887         if (queue_id >= dev->data->nb_rx_queues) {
4888                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
4889                 return -EINVAL;
4890         }
4891
4892         if (!dev->intr_handle) {
4893                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
4894                 return -ENOTSUP;
4895         }
4896
4897         intr_handle = dev->intr_handle;
4898         if (!intr_handle->intr_vec) {
4899                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
4900                 return -EPERM;
4901         }
4902
4903         vec = intr_handle->intr_vec[queue_id];
4904         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
4905         if (rc && rc != -EEXIST) {
4906                 RTE_ETHDEV_LOG(ERR,
4907                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
4908                         port_id, queue_id, op, epfd, vec);
4909                 return rc;
4910         }
4911
4912         return 0;
4913 }
4914
4915 int
4916 rte_eth_dev_rx_intr_enable(uint16_t port_id,
4917                            uint16_t queue_id)
4918 {
4919         struct rte_eth_dev *dev;
4920         int ret;
4921
4922         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4923         dev = &rte_eth_devices[port_id];
4924
4925         ret = eth_dev_validate_rx_queue(dev, queue_id);
4926         if (ret != 0)
4927                 return ret;
4928
4929         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
4930         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id));
4931 }
4932
4933 int
4934 rte_eth_dev_rx_intr_disable(uint16_t port_id,
4935                             uint16_t queue_id)
4936 {
4937         struct rte_eth_dev *dev;
4938         int ret;
4939
4940         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4941         dev = &rte_eth_devices[port_id];
4942
4943         ret = eth_dev_validate_rx_queue(dev, queue_id);
4944         if (ret != 0)
4945                 return ret;
4946
4947         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
4948         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id));
4949 }
4950
4951
4952 const struct rte_eth_rxtx_callback *
4953 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
4954                 rte_rx_callback_fn fn, void *user_param)
4955 {
4956 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
4957         rte_errno = ENOTSUP;
4958         return NULL;
4959 #endif
4960         struct rte_eth_dev *dev;
4961
4962         /* check input parameters */
4963         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
4964                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
4965                 rte_errno = EINVAL;
4966                 return NULL;
4967         }
4968         dev = &rte_eth_devices[port_id];
4969         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
4970                 rte_errno = EINVAL;
4971                 return NULL;
4972         }
4973         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
4974
4975         if (cb == NULL) {
4976                 rte_errno = ENOMEM;
4977                 return NULL;
4978         }
4979
4980         cb->fn.rx = fn;
4981         cb->param = user_param;
4982
4983         rte_spinlock_lock(&eth_dev_rx_cb_lock);
4984         /* Add the callbacks in fifo order. */
4985         struct rte_eth_rxtx_callback *tail =
4986                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
4987
4988         if (!tail) {
4989                 /* Stores to cb->fn and cb->param should complete before
4990                  * cb is visible to data plane.
4991                  */
4992                 __atomic_store_n(
4993                         &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
4994                         cb, __ATOMIC_RELEASE);
4995
4996         } else {
4997                 while (tail->next)
4998                         tail = tail->next;
4999                 /* Stores to cb->fn and cb->param should complete before
5000                  * cb is visible to data plane.
5001                  */
5002                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5003         }
5004         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5005
5006         return cb;
5007 }
5008
5009 const struct rte_eth_rxtx_callback *
5010 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
5011                 rte_rx_callback_fn fn, void *user_param)
5012 {
5013 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5014         rte_errno = ENOTSUP;
5015         return NULL;
5016 #endif
5017         /* check input parameters */
5018         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5019                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
5020                 rte_errno = EINVAL;
5021                 return NULL;
5022         }
5023
5024         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5025
5026         if (cb == NULL) {
5027                 rte_errno = ENOMEM;
5028                 return NULL;
5029         }
5030
5031         cb->fn.rx = fn;
5032         cb->param = user_param;
5033
5034         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5035         /* Add the callbacks at first position */
5036         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
5037         /* Stores to cb->fn, cb->param and cb->next should complete before
5038          * cb is visible to data plane threads.
5039          */
5040         __atomic_store_n(
5041                 &rte_eth_devices[port_id].post_rx_burst_cbs[queue_id],
5042                 cb, __ATOMIC_RELEASE);
5043         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5044
5045         return cb;
5046 }
5047
5048 const struct rte_eth_rxtx_callback *
5049 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
5050                 rte_tx_callback_fn fn, void *user_param)
5051 {
5052 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5053         rte_errno = ENOTSUP;
5054         return NULL;
5055 #endif
5056         struct rte_eth_dev *dev;
5057
5058         /* check input parameters */
5059         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
5060                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
5061                 rte_errno = EINVAL;
5062                 return NULL;
5063         }
5064
5065         dev = &rte_eth_devices[port_id];
5066         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5067                 rte_errno = EINVAL;
5068                 return NULL;
5069         }
5070
5071         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
5072
5073         if (cb == NULL) {
5074                 rte_errno = ENOMEM;
5075                 return NULL;
5076         }
5077
5078         cb->fn.tx = fn;
5079         cb->param = user_param;
5080
5081         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5082         /* Add the callbacks in fifo order. */
5083         struct rte_eth_rxtx_callback *tail =
5084                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
5085
5086         if (!tail) {
5087                 /* Stores to cb->fn and cb->param should complete before
5088                  * cb is visible to data plane.
5089                  */
5090                 __atomic_store_n(
5091                         &rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id],
5092                         cb, __ATOMIC_RELEASE);
5093
5094         } else {
5095                 while (tail->next)
5096                         tail = tail->next;
5097                 /* Stores to cb->fn and cb->param should complete before
5098                  * cb is visible to data plane.
5099                  */
5100                 __atomic_store_n(&tail->next, cb, __ATOMIC_RELEASE);
5101         }
5102         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5103
5104         return cb;
5105 }
5106
5107 int
5108 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
5109                 const struct rte_eth_rxtx_callback *user_cb)
5110 {
5111 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5112         return -ENOTSUP;
5113 #endif
5114         /* Check input parameters. */
5115         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5116         if (user_cb == NULL ||
5117                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
5118                 return -EINVAL;
5119
5120         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5121         struct rte_eth_rxtx_callback *cb;
5122         struct rte_eth_rxtx_callback **prev_cb;
5123         int ret = -EINVAL;
5124
5125         rte_spinlock_lock(&eth_dev_rx_cb_lock);
5126         prev_cb = &dev->post_rx_burst_cbs[queue_id];
5127         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5128                 cb = *prev_cb;
5129                 if (cb == user_cb) {
5130                         /* Remove the user cb from the callback list. */
5131                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5132                         ret = 0;
5133                         break;
5134                 }
5135         }
5136         rte_spinlock_unlock(&eth_dev_rx_cb_lock);
5137
5138         return ret;
5139 }
5140
5141 int
5142 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
5143                 const struct rte_eth_rxtx_callback *user_cb)
5144 {
5145 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
5146         return -ENOTSUP;
5147 #endif
5148         /* Check input parameters. */
5149         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5150         if (user_cb == NULL ||
5151                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
5152                 return -EINVAL;
5153
5154         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
5155         int ret = -EINVAL;
5156         struct rte_eth_rxtx_callback *cb;
5157         struct rte_eth_rxtx_callback **prev_cb;
5158
5159         rte_spinlock_lock(&eth_dev_tx_cb_lock);
5160         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
5161         for (; *prev_cb != NULL; prev_cb = &cb->next) {
5162                 cb = *prev_cb;
5163                 if (cb == user_cb) {
5164                         /* Remove the user cb from the callback list. */
5165                         __atomic_store_n(prev_cb, cb->next, __ATOMIC_RELAXED);
5166                         ret = 0;
5167                         break;
5168                 }
5169         }
5170         rte_spinlock_unlock(&eth_dev_tx_cb_lock);
5171
5172         return ret;
5173 }
5174
5175 int
5176 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5177         struct rte_eth_rxq_info *qinfo)
5178 {
5179         struct rte_eth_dev *dev;
5180
5181         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5182         dev = &rte_eth_devices[port_id];
5183
5184         if (queue_id >= dev->data->nb_rx_queues) {
5185                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5186                 return -EINVAL;
5187         }
5188
5189         if (qinfo == NULL) {
5190                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Rx queue %u info to NULL\n",
5191                         port_id, queue_id);
5192                 return -EINVAL;
5193         }
5194
5195         if (dev->data->rx_queues == NULL ||
5196                         dev->data->rx_queues[queue_id] == NULL) {
5197                 RTE_ETHDEV_LOG(ERR,
5198                                "Rx queue %"PRIu16" of device with port_id=%"
5199                                PRIu16" has not been setup\n",
5200                                queue_id, port_id);
5201                 return -EINVAL;
5202         }
5203
5204         if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) {
5205                 RTE_ETHDEV_LOG(INFO,
5206                         "Can't get hairpin Rx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5207                         queue_id, port_id);
5208                 return -EINVAL;
5209         }
5210
5211         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
5212
5213         memset(qinfo, 0, sizeof(*qinfo));
5214         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
5215         qinfo->queue_state = dev->data->rx_queue_state[queue_id];
5216
5217         return 0;
5218 }
5219
5220 int
5221 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
5222         struct rte_eth_txq_info *qinfo)
5223 {
5224         struct rte_eth_dev *dev;
5225
5226         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5227         dev = &rte_eth_devices[port_id];
5228
5229         if (queue_id >= dev->data->nb_tx_queues) {
5230                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5231                 return -EINVAL;
5232         }
5233
5234         if (qinfo == NULL) {
5235                 RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u Tx queue %u info to NULL\n",
5236                         port_id, queue_id);
5237                 return -EINVAL;
5238         }
5239
5240         if (dev->data->tx_queues == NULL ||
5241                         dev->data->tx_queues[queue_id] == NULL) {
5242                 RTE_ETHDEV_LOG(ERR,
5243                                "Tx queue %"PRIu16" of device with port_id=%"
5244                                PRIu16" has not been setup\n",
5245                                queue_id, port_id);
5246                 return -EINVAL;
5247         }
5248
5249         if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) {
5250                 RTE_ETHDEV_LOG(INFO,
5251                         "Can't get hairpin Tx queue %"PRIu16" info of device with port_id=%"PRIu16"\n",
5252                         queue_id, port_id);
5253                 return -EINVAL;
5254         }
5255
5256         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
5257
5258         memset(qinfo, 0, sizeof(*qinfo));
5259         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
5260         qinfo->queue_state = dev->data->tx_queue_state[queue_id];
5261
5262         return 0;
5263 }
5264
5265 int
5266 rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5267                           struct rte_eth_burst_mode *mode)
5268 {
5269         struct rte_eth_dev *dev;
5270
5271         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5272         dev = &rte_eth_devices[port_id];
5273
5274         if (queue_id >= dev->data->nb_rx_queues) {
5275                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
5276                 return -EINVAL;
5277         }
5278
5279         if (mode == NULL) {
5280                 RTE_ETHDEV_LOG(ERR,
5281                         "Cannot get ethdev port %u Rx queue %u burst mode to NULL\n",
5282                         port_id, queue_id);
5283                 return -EINVAL;
5284         }
5285
5286         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_burst_mode_get, -ENOTSUP);
5287         memset(mode, 0, sizeof(*mode));
5288         return eth_err(port_id,
5289                        dev->dev_ops->rx_burst_mode_get(dev, queue_id, mode));
5290 }
5291
5292 int
5293 rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
5294                           struct rte_eth_burst_mode *mode)
5295 {
5296         struct rte_eth_dev *dev;
5297
5298         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5299         dev = &rte_eth_devices[port_id];
5300
5301         if (queue_id >= dev->data->nb_tx_queues) {
5302                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
5303                 return -EINVAL;
5304         }
5305
5306         if (mode == NULL) {
5307                 RTE_ETHDEV_LOG(ERR,
5308                         "Cannot get ethdev port %u Tx queue %u burst mode to NULL\n",
5309                         port_id, queue_id);
5310                 return -EINVAL;
5311         }
5312
5313         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_burst_mode_get, -ENOTSUP);
5314         memset(mode, 0, sizeof(*mode));
5315         return eth_err(port_id,
5316                        dev->dev_ops->tx_burst_mode_get(dev, queue_id, mode));
5317 }
5318
5319 int
5320 rte_eth_get_monitor_addr(uint16_t port_id, uint16_t queue_id,
5321                 struct rte_power_monitor_cond *pmc)
5322 {
5323         struct rte_eth_dev *dev;
5324
5325         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5326         dev = &rte_eth_devices[port_id];
5327
5328         if (queue_id >= dev->data->nb_rx_queues) {
5329                 RTE_ETHDEV_LOG(ERR, "Invalid Rx queue_id=%u\n", queue_id);
5330                 return -EINVAL;
5331         }
5332
5333         if (pmc == NULL) {
5334                 RTE_ETHDEV_LOG(ERR,
5335                         "Cannot get ethdev port %u Rx queue %u power monitor condition to NULL\n",
5336                         port_id, queue_id);
5337                 return -EINVAL;
5338         }
5339
5340         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_monitor_addr, -ENOTSUP);
5341         return eth_err(port_id,
5342                 dev->dev_ops->get_monitor_addr(dev->data->rx_queues[queue_id], pmc));
5343 }
5344
5345 int
5346 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
5347                              struct rte_ether_addr *mc_addr_set,
5348                              uint32_t nb_mc_addr)
5349 {
5350         struct rte_eth_dev *dev;
5351
5352         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5353         dev = &rte_eth_devices[port_id];
5354
5355         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
5356         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
5357                                                 mc_addr_set, nb_mc_addr));
5358 }
5359
5360 int
5361 rte_eth_timesync_enable(uint16_t port_id)
5362 {
5363         struct rte_eth_dev *dev;
5364
5365         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5366         dev = &rte_eth_devices[port_id];
5367
5368         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
5369         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
5370 }
5371
5372 int
5373 rte_eth_timesync_disable(uint16_t port_id)
5374 {
5375         struct rte_eth_dev *dev;
5376
5377         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5378         dev = &rte_eth_devices[port_id];
5379
5380         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
5381         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
5382 }
5383
5384 int
5385 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
5386                                    uint32_t flags)
5387 {
5388         struct rte_eth_dev *dev;
5389
5390         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5391         dev = &rte_eth_devices[port_id];
5392
5393         if (timestamp == NULL) {
5394                 RTE_ETHDEV_LOG(ERR,
5395                         "Cannot read ethdev port %u Rx timestamp to NULL\n",
5396                         port_id);
5397                 return -EINVAL;
5398         }
5399
5400         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
5401         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
5402                                 (dev, timestamp, flags));
5403 }
5404
5405 int
5406 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
5407                                    struct timespec *timestamp)
5408 {
5409         struct rte_eth_dev *dev;
5410
5411         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5412         dev = &rte_eth_devices[port_id];
5413
5414         if (timestamp == NULL) {
5415                 RTE_ETHDEV_LOG(ERR,
5416                         "Cannot read ethdev port %u Tx timestamp to NULL\n",
5417                         port_id);
5418                 return -EINVAL;
5419         }
5420
5421         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
5422         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
5423                                 (dev, timestamp));
5424 }
5425
5426 int
5427 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
5428 {
5429         struct rte_eth_dev *dev;
5430
5431         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5432         dev = &rte_eth_devices[port_id];
5433
5434         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
5435         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev, delta));
5436 }
5437
5438 int
5439 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
5440 {
5441         struct rte_eth_dev *dev;
5442
5443         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5444         dev = &rte_eth_devices[port_id];
5445
5446         if (timestamp == NULL) {
5447                 RTE_ETHDEV_LOG(ERR,
5448                         "Cannot read ethdev port %u timesync time to NULL\n",
5449                         port_id);
5450                 return -EINVAL;
5451         }
5452
5453         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
5454         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
5455                                                                 timestamp));
5456 }
5457
5458 int
5459 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
5460 {
5461         struct rte_eth_dev *dev;
5462
5463         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5464         dev = &rte_eth_devices[port_id];
5465
5466         if (timestamp == NULL) {
5467                 RTE_ETHDEV_LOG(ERR,
5468                         "Cannot write ethdev port %u timesync from NULL time\n",
5469                         port_id);
5470                 return -EINVAL;
5471         }
5472
5473         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
5474         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
5475                                                                 timestamp));
5476 }
5477
5478 int
5479 rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
5480 {
5481         struct rte_eth_dev *dev;
5482
5483         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5484         dev = &rte_eth_devices[port_id];
5485
5486         if (clock == NULL) {
5487                 RTE_ETHDEV_LOG(ERR, "Cannot read ethdev port %u clock to NULL\n",
5488                         port_id);
5489                 return -EINVAL;
5490         }
5491
5492         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->read_clock, -ENOTSUP);
5493         return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
5494 }
5495
5496 int
5497 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
5498 {
5499         struct rte_eth_dev *dev;
5500
5501         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5502         dev = &rte_eth_devices[port_id];
5503
5504         if (info == NULL) {
5505                 RTE_ETHDEV_LOG(ERR,
5506                         "Cannot get ethdev port %u register info to NULL\n",
5507                         port_id);
5508                 return -EINVAL;
5509         }
5510
5511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
5512         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
5513 }
5514
5515 int
5516 rte_eth_dev_get_eeprom_length(uint16_t port_id)
5517 {
5518         struct rte_eth_dev *dev;
5519
5520         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5521         dev = &rte_eth_devices[port_id];
5522
5523         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
5524         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
5525 }
5526
5527 int
5528 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5529 {
5530         struct rte_eth_dev *dev;
5531
5532         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5533         dev = &rte_eth_devices[port_id];
5534
5535         if (info == NULL) {
5536                 RTE_ETHDEV_LOG(ERR,
5537                         "Cannot get ethdev port %u EEPROM info to NULL\n",
5538                         port_id);
5539                 return -EINVAL;
5540         }
5541
5542         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
5543         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
5544 }
5545
5546 int
5547 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
5548 {
5549         struct rte_eth_dev *dev;
5550
5551         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5552         dev = &rte_eth_devices[port_id];
5553
5554         if (info == NULL) {
5555                 RTE_ETHDEV_LOG(ERR,
5556                         "Cannot set ethdev port %u EEPROM from NULL info\n",
5557                         port_id);
5558                 return -EINVAL;
5559         }
5560
5561         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
5562         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
5563 }
5564
5565 int
5566 rte_eth_dev_get_module_info(uint16_t port_id,
5567                             struct rte_eth_dev_module_info *modinfo)
5568 {
5569         struct rte_eth_dev *dev;
5570
5571         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5572         dev = &rte_eth_devices[port_id];
5573
5574         if (modinfo == NULL) {
5575                 RTE_ETHDEV_LOG(ERR,
5576                         "Cannot get ethdev port %u EEPROM module info to NULL\n",
5577                         port_id);
5578                 return -EINVAL;
5579         }
5580
5581         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
5582         return (*dev->dev_ops->get_module_info)(dev, modinfo);
5583 }
5584
5585 int
5586 rte_eth_dev_get_module_eeprom(uint16_t port_id,
5587                               struct rte_dev_eeprom_info *info)
5588 {
5589         struct rte_eth_dev *dev;
5590
5591         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5592         dev = &rte_eth_devices[port_id];
5593
5594         if (info == NULL) {
5595                 RTE_ETHDEV_LOG(ERR,
5596                         "Cannot get ethdev port %u module EEPROM info to NULL\n",
5597                         port_id);
5598                 return -EINVAL;
5599         }
5600
5601         if (info->data == NULL) {
5602                 RTE_ETHDEV_LOG(ERR,
5603                         "Cannot get ethdev port %u module EEPROM data to NULL\n",
5604                         port_id);
5605                 return -EINVAL;
5606         }
5607
5608         if (info->length == 0) {
5609                 RTE_ETHDEV_LOG(ERR,
5610                         "Cannot get ethdev port %u module EEPROM to data with zero size\n",
5611                         port_id);
5612                 return -EINVAL;
5613         }
5614
5615         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
5616         return (*dev->dev_ops->get_module_eeprom)(dev, info);
5617 }
5618
5619 int
5620 rte_eth_dev_get_dcb_info(uint16_t port_id,
5621                              struct rte_eth_dcb_info *dcb_info)
5622 {
5623         struct rte_eth_dev *dev;
5624
5625         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5626         dev = &rte_eth_devices[port_id];
5627
5628         if (dcb_info == NULL) {
5629                 RTE_ETHDEV_LOG(ERR,
5630                         "Cannot get ethdev port %u DCB info to NULL\n",
5631                         port_id);
5632                 return -EINVAL;
5633         }
5634
5635         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
5636
5637         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
5638         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
5639 }
5640
5641 static void
5642 eth_dev_adjust_nb_desc(uint16_t *nb_desc,
5643                 const struct rte_eth_desc_lim *desc_lim)
5644 {
5645         if (desc_lim->nb_align != 0)
5646                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
5647
5648         if (desc_lim->nb_max != 0)
5649                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
5650
5651         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
5652 }
5653
5654 int
5655 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
5656                                  uint16_t *nb_rx_desc,
5657                                  uint16_t *nb_tx_desc)
5658 {
5659         struct rte_eth_dev_info dev_info;
5660         int ret;
5661
5662         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5663
5664         ret = rte_eth_dev_info_get(port_id, &dev_info);
5665         if (ret != 0)
5666                 return ret;
5667
5668         if (nb_rx_desc != NULL)
5669                 eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
5670
5671         if (nb_tx_desc != NULL)
5672                 eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
5673
5674         return 0;
5675 }
5676
5677 int
5678 rte_eth_dev_hairpin_capability_get(uint16_t port_id,
5679                                    struct rte_eth_hairpin_cap *cap)
5680 {
5681         struct rte_eth_dev *dev;
5682
5683         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5684         dev = &rte_eth_devices[port_id];
5685
5686         if (cap == NULL) {
5687                 RTE_ETHDEV_LOG(ERR,
5688                         "Cannot get ethdev port %u hairpin capability to NULL\n",
5689                         port_id);
5690                 return -EINVAL;
5691         }
5692
5693         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_cap_get, -ENOTSUP);
5694         memset(cap, 0, sizeof(*cap));
5695         return eth_err(port_id, (*dev->dev_ops->hairpin_cap_get)(dev, cap));
5696 }
5697
5698 int
5699 rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5700 {
5701         if (dev->data->rx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5702                 return 1;
5703         return 0;
5704 }
5705
5706 int
5707 rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id)
5708 {
5709         if (dev->data->tx_queue_state[queue_id] == RTE_ETH_QUEUE_STATE_HAIRPIN)
5710                 return 1;
5711         return 0;
5712 }
5713
5714 int
5715 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
5716 {
5717         struct rte_eth_dev *dev;
5718
5719         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
5720         dev = &rte_eth_devices[port_id];
5721
5722         if (pool == NULL) {
5723                 RTE_ETHDEV_LOG(ERR,
5724                         "Cannot test ethdev port %u mempool operation from NULL pool\n",
5725                         port_id);
5726                 return -EINVAL;
5727         }
5728
5729         if (*dev->dev_ops->pool_ops_supported == NULL)
5730                 return 1; /* all pools are supported */
5731
5732         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
5733 }
5734
5735 /**
5736  * A set of values to describe the possible states of a switch domain.
5737  */
5738 enum rte_eth_switch_domain_state {
5739         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
5740         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
5741 };
5742
5743 /**
5744  * Array of switch domains available for allocation. Array is sized to
5745  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
5746  * ethdev ports in a single process.
5747  */
5748 static struct rte_eth_dev_switch {
5749         enum rte_eth_switch_domain_state state;
5750 } eth_dev_switch_domains[RTE_MAX_ETHPORTS];
5751
5752 int
5753 rte_eth_switch_domain_alloc(uint16_t *domain_id)
5754 {
5755         uint16_t i;
5756
5757         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
5758
5759         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
5760                 if (eth_dev_switch_domains[i].state ==
5761                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
5762                         eth_dev_switch_domains[i].state =
5763                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
5764                         *domain_id = i;
5765                         return 0;
5766                 }
5767         }
5768
5769         return -ENOSPC;
5770 }
5771
5772 int
5773 rte_eth_switch_domain_free(uint16_t domain_id)
5774 {
5775         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
5776                 domain_id >= RTE_MAX_ETHPORTS)
5777                 return -EINVAL;
5778
5779         if (eth_dev_switch_domains[domain_id].state !=
5780                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
5781                 return -EINVAL;
5782
5783         eth_dev_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
5784
5785         return 0;
5786 }
5787
5788 static int
5789 eth_dev_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
5790 {
5791         int state;
5792         struct rte_kvargs_pair *pair;
5793         char *letter;
5794
5795         arglist->str = strdup(str_in);
5796         if (arglist->str == NULL)
5797                 return -ENOMEM;
5798
5799         letter = arglist->str;
5800         state = 0;
5801         arglist->count = 0;
5802         pair = &arglist->pairs[0];
5803         while (1) {
5804                 switch (state) {
5805                 case 0: /* Initial */
5806                         if (*letter == '=')
5807                                 return -EINVAL;
5808                         else if (*letter == '\0')
5809                                 return 0;
5810
5811                         state = 1;
5812                         pair->key = letter;
5813                         /* fall-thru */
5814
5815                 case 1: /* Parsing key */
5816                         if (*letter == '=') {
5817                                 *letter = '\0';
5818                                 pair->value = letter + 1;
5819                                 state = 2;
5820                         } else if (*letter == ',' || *letter == '\0')
5821                                 return -EINVAL;
5822                         break;
5823
5824
5825                 case 2: /* Parsing value */
5826                         if (*letter == '[')
5827                                 state = 3;
5828                         else if (*letter == ',') {
5829                                 *letter = '\0';
5830                                 arglist->count++;
5831                                 pair = &arglist->pairs[arglist->count];
5832                                 state = 0;
5833                         } else if (*letter == '\0') {
5834                                 letter--;
5835                                 arglist->count++;
5836                                 pair = &arglist->pairs[arglist->count];
5837                                 state = 0;
5838                         }
5839                         break;
5840
5841                 case 3: /* Parsing list */
5842                         if (*letter == ']')
5843                                 state = 2;
5844                         else if (*letter == '\0')
5845                                 return -EINVAL;
5846                         break;
5847                 }
5848                 letter++;
5849         }
5850 }
5851
5852 int
5853 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
5854 {
5855         struct rte_kvargs args;
5856         struct rte_kvargs_pair *pair;
5857         unsigned int i;
5858         int result = 0;
5859
5860         memset(eth_da, 0, sizeof(*eth_da));
5861
5862         result = eth_dev_devargs_tokenise(&args, dargs);
5863         if (result < 0)
5864                 goto parse_cleanup;
5865
5866         for (i = 0; i < args.count; i++) {
5867                 pair = &args.pairs[i];
5868                 if (strcmp("representor", pair->key) == 0) {
5869                         if (eth_da->type != RTE_ETH_REPRESENTOR_NONE) {
5870                                 RTE_LOG(ERR, EAL, "duplicated representor key: %s\n",
5871                                         dargs);
5872                                 result = -1;
5873                                 goto parse_cleanup;
5874                         }
5875                         result = rte_eth_devargs_parse_representor_ports(
5876                                         pair->value, eth_da);
5877                         if (result < 0)
5878                                 goto parse_cleanup;
5879                 }
5880         }
5881
5882 parse_cleanup:
5883         if (args.str)
5884                 free(args.str);
5885
5886         return result;
5887 }
5888
5889 int
5890 rte_eth_representor_id_get(uint16_t port_id,
5891                            enum rte_eth_representor_type type,
5892                            int controller, int pf, int representor_port,
5893                            uint16_t *repr_id)
5894 {
5895         int ret, n, count;
5896         uint32_t i;
5897         struct rte_eth_representor_info *info = NULL;
5898         size_t size;
5899
5900         if (type == RTE_ETH_REPRESENTOR_NONE)
5901                 return 0;
5902         if (repr_id == NULL)
5903                 return -EINVAL;
5904
5905         /* Get PMD representor range info. */
5906         ret = rte_eth_representor_info_get(port_id, NULL);
5907         if (ret == -ENOTSUP && type == RTE_ETH_REPRESENTOR_VF &&
5908             controller == -1 && pf == -1) {
5909                 /* Direct mapping for legacy VF representor. */
5910                 *repr_id = representor_port;
5911                 return 0;
5912         } else if (ret < 0) {
5913                 return ret;
5914         }
5915         n = ret;
5916         size = sizeof(*info) + n * sizeof(info->ranges[0]);
5917         info = calloc(1, size);
5918         if (info == NULL)
5919                 return -ENOMEM;
5920         info->nb_ranges_alloc = n;
5921         ret = rte_eth_representor_info_get(port_id, info);
5922         if (ret < 0)
5923                 goto out;
5924
5925         /* Default controller and pf to caller. */
5926         if (controller == -1)
5927                 controller = info->controller;
5928         if (pf == -1)
5929                 pf = info->pf;
5930
5931         /* Locate representor ID. */
5932         ret = -ENOENT;
5933         for (i = 0; i < info->nb_ranges; ++i) {
5934                 if (info->ranges[i].type != type)
5935                         continue;
5936                 if (info->ranges[i].controller != controller)
5937                         continue;
5938                 if (info->ranges[i].id_end < info->ranges[i].id_base) {
5939                         RTE_LOG(WARNING, EAL, "Port %hu invalid representor ID Range %u - %u, entry %d\n",
5940                                 port_id, info->ranges[i].id_base,
5941                                 info->ranges[i].id_end, i);
5942                         continue;
5943
5944                 }
5945                 count = info->ranges[i].id_end - info->ranges[i].id_base + 1;
5946                 switch (info->ranges[i].type) {
5947                 case RTE_ETH_REPRESENTOR_PF:
5948                         if (pf < info->ranges[i].pf ||
5949                             pf >= info->ranges[i].pf + count)
5950                                 continue;
5951                         *repr_id = info->ranges[i].id_base +
5952                                    (pf - info->ranges[i].pf);
5953                         ret = 0;
5954                         goto out;
5955                 case RTE_ETH_REPRESENTOR_VF:
5956                         if (info->ranges[i].pf != pf)
5957                                 continue;
5958                         if (representor_port < info->ranges[i].vf ||
5959                             representor_port >= info->ranges[i].vf + count)
5960                                 continue;
5961                         *repr_id = info->ranges[i].id_base +
5962                                    (representor_port - info->ranges[i].vf);
5963                         ret = 0;
5964                         goto out;
5965                 case RTE_ETH_REPRESENTOR_SF:
5966                         if (info->ranges[i].pf != pf)
5967                                 continue;
5968                         if (representor_port < info->ranges[i].sf ||
5969                             representor_port >= info->ranges[i].sf + count)
5970                                 continue;
5971                         *repr_id = info->ranges[i].id_base +
5972                               (representor_port - info->ranges[i].sf);
5973                         ret = 0;
5974                         goto out;
5975                 default:
5976                         break;
5977                 }
5978         }
5979 out:
5980         free(info);
5981         return ret;
5982 }
5983
5984 static int
5985 eth_dev_handle_port_list(const char *cmd __rte_unused,
5986                 const char *params __rte_unused,
5987                 struct rte_tel_data *d)
5988 {
5989         int port_id;
5990
5991         rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
5992         RTE_ETH_FOREACH_DEV(port_id)
5993                 rte_tel_data_add_array_int(d, port_id);
5994         return 0;
5995 }
5996
5997 static void
5998 eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
5999                 const char *stat_name)
6000 {
6001         int q;
6002         struct rte_tel_data *q_data = rte_tel_data_alloc();
6003         rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
6004         for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
6005                 rte_tel_data_add_array_u64(q_data, q_stats[q]);
6006         rte_tel_data_add_dict_container(d, stat_name, q_data, 0);
6007 }
6008
6009 #define ADD_DICT_STAT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
6010
6011 static int
6012 eth_dev_handle_port_stats(const char *cmd __rte_unused,
6013                 const char *params,
6014                 struct rte_tel_data *d)
6015 {
6016         struct rte_eth_stats stats;
6017         int port_id, ret;
6018
6019         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6020                 return -1;
6021
6022         port_id = atoi(params);
6023         if (!rte_eth_dev_is_valid_port(port_id))
6024                 return -1;
6025
6026         ret = rte_eth_stats_get(port_id, &stats);
6027         if (ret < 0)
6028                 return -1;
6029
6030         rte_tel_data_start_dict(d);
6031         ADD_DICT_STAT(stats, ipackets);
6032         ADD_DICT_STAT(stats, opackets);
6033         ADD_DICT_STAT(stats, ibytes);
6034         ADD_DICT_STAT(stats, obytes);
6035         ADD_DICT_STAT(stats, imissed);
6036         ADD_DICT_STAT(stats, ierrors);
6037         ADD_DICT_STAT(stats, oerrors);
6038         ADD_DICT_STAT(stats, rx_nombuf);
6039         eth_dev_add_port_queue_stats(d, stats.q_ipackets, "q_ipackets");
6040         eth_dev_add_port_queue_stats(d, stats.q_opackets, "q_opackets");
6041         eth_dev_add_port_queue_stats(d, stats.q_ibytes, "q_ibytes");
6042         eth_dev_add_port_queue_stats(d, stats.q_obytes, "q_obytes");
6043         eth_dev_add_port_queue_stats(d, stats.q_errors, "q_errors");
6044
6045         return 0;
6046 }
6047
6048 static int
6049 eth_dev_handle_port_xstats(const char *cmd __rte_unused,
6050                 const char *params,
6051                 struct rte_tel_data *d)
6052 {
6053         struct rte_eth_xstat *eth_xstats;
6054         struct rte_eth_xstat_name *xstat_names;
6055         int port_id, num_xstats;
6056         int i, ret;
6057         char *end_param;
6058
6059         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6060                 return -1;
6061
6062         port_id = strtoul(params, &end_param, 0);
6063         if (*end_param != '\0')
6064                 RTE_ETHDEV_LOG(NOTICE,
6065                         "Extra parameters passed to ethdev telemetry command, ignoring");
6066         if (!rte_eth_dev_is_valid_port(port_id))
6067                 return -1;
6068
6069         num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
6070         if (num_xstats < 0)
6071                 return -1;
6072
6073         /* use one malloc for both names and stats */
6074         eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
6075                         sizeof(struct rte_eth_xstat_name)) * num_xstats);
6076         if (eth_xstats == NULL)
6077                 return -1;
6078         xstat_names = (void *)&eth_xstats[num_xstats];
6079
6080         ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
6081         if (ret < 0 || ret > num_xstats) {
6082                 free(eth_xstats);
6083                 return -1;
6084         }
6085
6086         ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
6087         if (ret < 0 || ret > num_xstats) {
6088                 free(eth_xstats);
6089                 return -1;
6090         }
6091
6092         rte_tel_data_start_dict(d);
6093         for (i = 0; i < num_xstats; i++)
6094                 rte_tel_data_add_dict_u64(d, xstat_names[i].name,
6095                                 eth_xstats[i].value);
6096         return 0;
6097 }
6098
6099 static int
6100 eth_dev_handle_port_link_status(const char *cmd __rte_unused,
6101                 const char *params,
6102                 struct rte_tel_data *d)
6103 {
6104         static const char *status_str = "status";
6105         int ret, port_id;
6106         struct rte_eth_link link;
6107         char *end_param;
6108
6109         if (params == NULL || strlen(params) == 0 || !isdigit(*params))
6110                 return -1;
6111
6112         port_id = strtoul(params, &end_param, 0);
6113         if (*end_param != '\0')
6114                 RTE_ETHDEV_LOG(NOTICE,
6115                         "Extra parameters passed to ethdev telemetry command, ignoring");
6116         if (!rte_eth_dev_is_valid_port(port_id))
6117                 return -1;
6118
6119         ret = rte_eth_link_get_nowait(port_id, &link);
6120         if (ret < 0)
6121                 return -1;
6122
6123         rte_tel_data_start_dict(d);
6124         if (!link.link_status) {
6125                 rte_tel_data_add_dict_string(d, status_str, "DOWN");
6126                 return 0;
6127         }
6128         rte_tel_data_add_dict_string(d, status_str, "UP");
6129         rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
6130         rte_tel_data_add_dict_string(d, "duplex",
6131                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
6132                                 "full-duplex" : "half-duplex");
6133         return 0;
6134 }
6135
6136 int
6137 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
6138                                   struct rte_hairpin_peer_info *cur_info,
6139                                   struct rte_hairpin_peer_info *peer_info,
6140                                   uint32_t direction)
6141 {
6142         struct rte_eth_dev *dev;
6143
6144         /* Current queue information is not mandatory. */
6145         if (peer_info == NULL)
6146                 return -EINVAL;
6147
6148         /* No need to check the validity again. */
6149         dev = &rte_eth_devices[peer_port];
6150         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_update,
6151                                 -ENOTSUP);
6152
6153         return (*dev->dev_ops->hairpin_queue_peer_update)(dev, peer_queue,
6154                                         cur_info, peer_info, direction);
6155 }
6156
6157 int
6158 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
6159                                 struct rte_hairpin_peer_info *peer_info,
6160                                 uint32_t direction)
6161 {
6162         struct rte_eth_dev *dev;
6163
6164         if (peer_info == NULL)
6165                 return -EINVAL;
6166
6167         /* No need to check the validity again. */
6168         dev = &rte_eth_devices[cur_port];
6169         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_bind,
6170                                 -ENOTSUP);
6171
6172         return (*dev->dev_ops->hairpin_queue_peer_bind)(dev, cur_queue,
6173                                                         peer_info, direction);
6174 }
6175
6176 int
6177 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
6178                                   uint32_t direction)
6179 {
6180         struct rte_eth_dev *dev;
6181
6182         /* No need to check the validity again. */
6183         dev = &rte_eth_devices[cur_port];
6184         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->hairpin_queue_peer_unbind,
6185                                 -ENOTSUP);
6186
6187         return (*dev->dev_ops->hairpin_queue_peer_unbind)(dev, cur_queue,
6188                                                           direction);
6189 }
6190
6191 int
6192 rte_eth_representor_info_get(uint16_t port_id,
6193                              struct rte_eth_representor_info *info)
6194 {
6195         struct rte_eth_dev *dev;
6196
6197         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6198         dev = &rte_eth_devices[port_id];
6199
6200         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->representor_info_get, -ENOTSUP);
6201         return eth_err(port_id, (*dev->dev_ops->representor_info_get)(dev, info));
6202 }
6203
6204 int
6205 rte_eth_rx_metadata_negotiate(uint16_t port_id, uint64_t *features)
6206 {
6207         struct rte_eth_dev *dev;
6208
6209         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
6210         dev = &rte_eth_devices[port_id];
6211
6212         if (dev->data->dev_configured != 0) {
6213                 RTE_ETHDEV_LOG(ERR,
6214                         "The port (id=%"PRIu16") is already configured\n",
6215                         port_id);
6216                 return -EBUSY;
6217         }
6218
6219         if (features == NULL) {
6220                 RTE_ETHDEV_LOG(ERR, "Invalid features (NULL)\n");
6221                 return -EINVAL;
6222         }
6223
6224         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_metadata_negotiate, -ENOTSUP);
6225         return eth_err(port_id,
6226                        (*dev->dev_ops->rx_metadata_negotiate)(dev, features));
6227 }
6228
6229 RTE_LOG_REGISTER_DEFAULT(rte_eth_dev_logtype, INFO);
6230
6231 RTE_INIT(ethdev_init_telemetry)
6232 {
6233         rte_telemetry_register_cmd("/ethdev/list", eth_dev_handle_port_list,
6234                         "Returns list of available ethdev ports. Takes no parameters");
6235         rte_telemetry_register_cmd("/ethdev/stats", eth_dev_handle_port_stats,
6236                         "Returns the common stats for a port. Parameters: int port_id");
6237         rte_telemetry_register_cmd("/ethdev/xstats", eth_dev_handle_port_xstats,
6238                         "Returns the extended stats for a port. Parameters: int port_id");
6239         rte_telemetry_register_cmd("/ethdev/link_status",
6240                         eth_dev_handle_port_link_status,
6241                         "Returns the link status for a port. Parameters: int port_id");
6242 }