ethdev: remove useless memset
[dpdk.git] / lib / librte_ether / rte_ethdev.c
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5  *   All rights reserved.
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10  *
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32  */
33
34 #include <sys/types.h>
35 #include <sys/queue.h>
36 #include <ctype.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <stdarg.h>
41 #include <errno.h>
42 #include <stdint.h>
43 #include <inttypes.h>
44 #include <netinet/in.h>
45
46 #include <rte_byteorder.h>
47 #include <rte_log.h>
48 #include <rte_debug.h>
49 #include <rte_interrupts.h>
50 #include <rte_pci.h>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
53 #include <rte_memzone.h>
54 #include <rte_launch.h>
55 #include <rte_eal.h>
56 #include <rte_per_lcore.h>
57 #include <rte_lcore.h>
58 #include <rte_atomic.h>
59 #include <rte_branch_prediction.h>
60 #include <rte_common.h>
61 #include <rte_ring.h>
62 #include <rte_mempool.h>
63 #include <rte_malloc.h>
64 #include <rte_mbuf.h>
65 #include <rte_errno.h>
66 #include <rte_spinlock.h>
67 #include <rte_string_fns.h>
68
69 #include "rte_ether.h"
70 #include "rte_ethdev.h"
71
72 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
73 #define PMD_DEBUG_TRACE(fmt, args...) do {                        \
74                 RTE_LOG(ERR, PMD, "%s: " fmt, __func__, ## args); \
75         } while (0)
76 #else
77 #define PMD_DEBUG_TRACE(fmt, args...)
78 #endif
79
80 /* Macros for checking for restricting functions to primary instance only */
81 #define PROC_PRIMARY_OR_ERR_RET(retval) do { \
82         if (rte_eal_process_type() != RTE_PROC_PRIMARY) { \
83                 PMD_DEBUG_TRACE("Cannot run in secondary processes\n"); \
84                 return (retval); \
85         } \
86 } while(0)
87 #define PROC_PRIMARY_OR_RET() do { \
88         if (rte_eal_process_type() != RTE_PROC_PRIMARY) { \
89                 PMD_DEBUG_TRACE("Cannot run in secondary processes\n"); \
90                 return; \
91         } \
92 } while(0)
93
94 /* Macros to check for invlaid function pointers in dev_ops structure */
95 #define FUNC_PTR_OR_ERR_RET(func, retval) do { \
96         if ((func) == NULL) { \
97                 PMD_DEBUG_TRACE("Function not supported\n"); \
98                 return (retval); \
99         } \
100 } while(0)
101 #define FUNC_PTR_OR_RET(func) do { \
102         if ((func) == NULL) { \
103                 PMD_DEBUG_TRACE("Function not supported\n"); \
104                 return; \
105         } \
106 } while(0)
107
108 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
109 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
110 static struct rte_eth_dev_data *rte_eth_dev_data = NULL;
111 static uint8_t nb_ports = 0;
112
113 /* spinlock for eth device callbacks */
114 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
115
116 /* store statistics names and its offset in stats structure  */
117 struct rte_eth_xstats_name_off {
118         char name[RTE_ETH_XSTATS_NAME_SIZE];
119         unsigned offset;
120 };
121
122 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
123         {"rx_packets", offsetof(struct rte_eth_stats, ipackets)},
124         {"tx_packets", offsetof(struct rte_eth_stats, opackets)},
125         {"rx_bytes", offsetof(struct rte_eth_stats, ibytes)},
126         {"tx_bytes", offsetof(struct rte_eth_stats, obytes)},
127         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
128         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
129         {"rx_crc_errors", offsetof(struct rte_eth_stats, ibadcrc)},
130         {"rx_bad_length_errors", offsetof(struct rte_eth_stats, ibadlen)},
131         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
132         {"alloc_rx_buff_failed", offsetof(struct rte_eth_stats, rx_nombuf)},
133         {"fdir_match", offsetof(struct rte_eth_stats, fdirmatch)},
134         {"fdir_miss", offsetof(struct rte_eth_stats, fdirmiss)},
135         {"tx_flow_control_xon", offsetof(struct rte_eth_stats, tx_pause_xon)},
136         {"rx_flow_control_xon", offsetof(struct rte_eth_stats, rx_pause_xon)},
137         {"tx_flow_control_xoff", offsetof(struct rte_eth_stats, tx_pause_xoff)},
138         {"rx_flow_control_xoff", offsetof(struct rte_eth_stats, rx_pause_xoff)},
139 };
140 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
141
142 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
143         {"rx_packets", offsetof(struct rte_eth_stats, q_ipackets)},
144         {"rx_bytes", offsetof(struct rte_eth_stats, q_ibytes)},
145 };
146 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
147                 sizeof(rte_rxq_stats_strings[0]))
148
149 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
150         {"tx_packets", offsetof(struct rte_eth_stats, q_opackets)},
151         {"tx_bytes", offsetof(struct rte_eth_stats, q_obytes)},
152         {"tx_errors", offsetof(struct rte_eth_stats, q_errors)},
153 };
154 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
155                 sizeof(rte_txq_stats_strings[0]))
156
157
158 /**
159  * The user application callback description.
160  *
161  * It contains callback address to be registered by user application,
162  * the pointer to the parameters for callback, and the event type.
163  */
164 struct rte_eth_dev_callback {
165         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
166         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
167         void *cb_arg;                           /**< Parameter for callback */
168         enum rte_eth_event_type event;          /**< Interrupt event type */
169         uint32_t active;                        /**< Callback is executing */
170 };
171
172 enum {
173         STAT_QMAP_TX = 0,
174         STAT_QMAP_RX
175 };
176
177 enum {
178         DEV_DETACHED = 0,
179         DEV_ATTACHED
180 };
181
182 static void
183 rte_eth_dev_data_alloc(void)
184 {
185         const unsigned flags = 0;
186         const struct rte_memzone *mz;
187
188         if (rte_eal_process_type() == RTE_PROC_PRIMARY){
189                 mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
190                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data),
191                                 rte_socket_id(), flags);
192         } else
193                 mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
194         if (mz == NULL)
195                 rte_panic("Cannot allocate memzone for ethernet port data\n");
196
197         rte_eth_dev_data = mz->addr;
198         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
199                 memset(rte_eth_dev_data, 0,
200                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data));
201 }
202
203 struct rte_eth_dev *
204 rte_eth_dev_allocated(const char *name)
205 {
206         unsigned i;
207
208         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
209                 if ((rte_eth_devices[i].attached == DEV_ATTACHED) &&
210                     strcmp(rte_eth_devices[i].data->name, name) == 0)
211                         return &rte_eth_devices[i];
212         }
213         return NULL;
214 }
215
216 static uint8_t
217 rte_eth_dev_find_free_port(void)
218 {
219         unsigned i;
220
221         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
222                 if (rte_eth_devices[i].attached == DEV_DETACHED)
223                         return i;
224         }
225         return RTE_MAX_ETHPORTS;
226 }
227
228 struct rte_eth_dev *
229 rte_eth_dev_allocate(const char *name, enum rte_eth_dev_type type)
230 {
231         uint8_t port_id;
232         struct rte_eth_dev *eth_dev;
233
234         port_id = rte_eth_dev_find_free_port();
235         if (port_id == RTE_MAX_ETHPORTS) {
236                 PMD_DEBUG_TRACE("Reached maximum number of Ethernet ports\n");
237                 return NULL;
238         }
239
240         if (rte_eth_dev_data == NULL)
241                 rte_eth_dev_data_alloc();
242
243         if (rte_eth_dev_allocated(name) != NULL) {
244                 PMD_DEBUG_TRACE("Ethernet Device with name %s already allocated!\n", name);
245                 return NULL;
246         }
247
248         eth_dev = &rte_eth_devices[port_id];
249         eth_dev->data = &rte_eth_dev_data[port_id];
250         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
251         eth_dev->data->port_id = port_id;
252         eth_dev->attached = DEV_ATTACHED;
253         eth_dev->dev_type = type;
254         nb_ports++;
255         return eth_dev;
256 }
257
258 static int
259 rte_eth_dev_create_unique_device_name(char *name, size_t size,
260                 struct rte_pci_device *pci_dev)
261 {
262         int ret;
263
264         if ((name == NULL) || (pci_dev == NULL))
265                 return -EINVAL;
266
267         ret = snprintf(name, size, "%d:%d.%d",
268                         pci_dev->addr.bus, pci_dev->addr.devid,
269                         pci_dev->addr.function);
270         if (ret < 0)
271                 return ret;
272         return 0;
273 }
274
275 int
276 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
277 {
278         if (eth_dev == NULL)
279                 return -EINVAL;
280
281         eth_dev->attached = 0;
282         nb_ports--;
283         return 0;
284 }
285
286 static int
287 rte_eth_dev_init(struct rte_pci_driver *pci_drv,
288                  struct rte_pci_device *pci_dev)
289 {
290         struct eth_driver    *eth_drv;
291         struct rte_eth_dev *eth_dev;
292         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
293
294         int diag;
295
296         eth_drv = (struct eth_driver *)pci_drv;
297
298         /* Create unique Ethernet device name using PCI address */
299         rte_eth_dev_create_unique_device_name(ethdev_name,
300                         sizeof(ethdev_name), pci_dev);
301
302         eth_dev = rte_eth_dev_allocate(ethdev_name, RTE_ETH_DEV_PCI);
303         if (eth_dev == NULL)
304                 return -ENOMEM;
305
306         if (rte_eal_process_type() == RTE_PROC_PRIMARY){
307                 eth_dev->data->dev_private = rte_zmalloc("ethdev private structure",
308                                   eth_drv->dev_private_size,
309                                   RTE_CACHE_LINE_SIZE);
310                 if (eth_dev->data->dev_private == NULL)
311                         rte_panic("Cannot allocate memzone for private port data\n");
312         }
313         eth_dev->pci_dev = pci_dev;
314         eth_dev->driver = eth_drv;
315         eth_dev->data->rx_mbuf_alloc_failed = 0;
316
317         /* init user callbacks */
318         TAILQ_INIT(&(eth_dev->link_intr_cbs));
319
320         /*
321          * Set the default MTU.
322          */
323         eth_dev->data->mtu = ETHER_MTU;
324
325         /* Invoke PMD device initialization function */
326         diag = (*eth_drv->eth_dev_init)(eth_dev);
327         if (diag == 0)
328                 return 0;
329
330         PMD_DEBUG_TRACE("driver %s: eth_dev_init(vendor_id=0x%u device_id=0x%x)"
331                         " failed\n", pci_drv->name,
332                         (unsigned) pci_dev->id.vendor_id,
333                         (unsigned) pci_dev->id.device_id);
334         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
335                 rte_free(eth_dev->data->dev_private);
336         eth_dev->attached = DEV_DETACHED;
337         nb_ports--;
338         return diag;
339 }
340
341 static int
342 rte_eth_dev_uninit(struct rte_pci_device *pci_dev)
343 {
344         const struct eth_driver *eth_drv;
345         struct rte_eth_dev *eth_dev;
346         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
347         int ret;
348
349         if (pci_dev == NULL)
350                 return -EINVAL;
351
352         /* Create unique Ethernet device name using PCI address */
353         rte_eth_dev_create_unique_device_name(ethdev_name,
354                         sizeof(ethdev_name), pci_dev);
355
356         eth_dev = rte_eth_dev_allocated(ethdev_name);
357         if (eth_dev == NULL)
358                 return -ENODEV;
359
360         eth_drv = (const struct eth_driver *)pci_dev->driver;
361
362         /* Invoke PMD device uninit function */
363         if (*eth_drv->eth_dev_uninit) {
364                 ret = (*eth_drv->eth_dev_uninit)(eth_dev);
365                 if (ret)
366                         return ret;
367         }
368
369         /* free ether device */
370         rte_eth_dev_release_port(eth_dev);
371
372         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
373                 rte_free(eth_dev->data->dev_private);
374
375         eth_dev->pci_dev = NULL;
376         eth_dev->driver = NULL;
377         eth_dev->data = NULL;
378
379         return 0;
380 }
381
382 /**
383  * Register an Ethernet [Poll Mode] driver.
384  *
385  * Function invoked by the initialization function of an Ethernet driver
386  * to simultaneously register itself as a PCI driver and as an Ethernet
387  * Poll Mode Driver.
388  * Invokes the rte_eal_pci_register() function to register the *pci_drv*
389  * structure embedded in the *eth_drv* structure, after having stored the
390  * address of the rte_eth_dev_init() function in the *devinit* field of
391  * the *pci_drv* structure.
392  * During the PCI probing phase, the rte_eth_dev_init() function is
393  * invoked for each PCI [Ethernet device] matching the embedded PCI
394  * identifiers provided by the driver.
395  */
396 void
397 rte_eth_driver_register(struct eth_driver *eth_drv)
398 {
399         eth_drv->pci_drv.devinit = rte_eth_dev_init;
400         eth_drv->pci_drv.devuninit = rte_eth_dev_uninit;
401         rte_eal_pci_register(&eth_drv->pci_drv);
402 }
403
404 static int
405 rte_eth_dev_is_valid_port(uint8_t port_id)
406 {
407         if (port_id >= RTE_MAX_ETHPORTS ||
408             rte_eth_devices[port_id].attached != DEV_ATTACHED)
409                 return 0;
410         else
411                 return 1;
412 }
413
414 int
415 rte_eth_dev_socket_id(uint8_t port_id)
416 {
417         if (!rte_eth_dev_is_valid_port(port_id))
418                 return -1;
419         return rte_eth_devices[port_id].pci_dev->numa_node;
420 }
421
422 uint8_t
423 rte_eth_dev_count(void)
424 {
425         return nb_ports;
426 }
427
428 /* So far, DPDK hotplug function only supports linux */
429 #ifdef RTE_LIBRTE_EAL_HOTPLUG
430
431 static enum rte_eth_dev_type
432 rte_eth_dev_get_device_type(uint8_t port_id)
433 {
434         if (!rte_eth_dev_is_valid_port(port_id))
435                 return RTE_ETH_DEV_UNKNOWN;
436         return rte_eth_devices[port_id].dev_type;
437 }
438
439 static int
440 rte_eth_dev_save(struct rte_eth_dev *devs, size_t size)
441 {
442         if ((devs == NULL) ||
443             (size != sizeof(struct rte_eth_dev) * RTE_MAX_ETHPORTS))
444                 return -EINVAL;
445
446         /* save current rte_eth_devices */
447         memcpy(devs, rte_eth_devices, size);
448         return 0;
449 }
450
451 static int
452 rte_eth_dev_get_changed_port(struct rte_eth_dev *devs, uint8_t *port_id)
453 {
454         if ((devs == NULL) || (port_id == NULL))
455                 return -EINVAL;
456
457         /* check which port was attached or detached */
458         for (*port_id = 0; *port_id < RTE_MAX_ETHPORTS; (*port_id)++, devs++) {
459                 if (rte_eth_devices[*port_id].attached ^ devs->attached)
460                         return 0;
461         }
462         return -ENODEV;
463 }
464
465 static int
466 rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr)
467 {
468         if (!rte_eth_dev_is_valid_port(port_id)) {
469                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
470                 return -EINVAL;
471         }
472
473         if (addr == NULL) {
474                 PMD_DEBUG_TRACE("Null pointer is specified\n");
475                 return -EINVAL;
476         }
477
478         *addr = rte_eth_devices[port_id].pci_dev->addr;
479         return 0;
480 }
481
482 static int
483 rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
484 {
485         char *tmp;
486
487         if (!rte_eth_dev_is_valid_port(port_id)) {
488                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
489                 return -EINVAL;
490         }
491
492         if (name == NULL) {
493                 PMD_DEBUG_TRACE("Null pointer is specified\n");
494                 return -EINVAL;
495         }
496
497         /* shouldn't check 'rte_eth_devices[i].data',
498          * because it might be overwritten by VDEV PMD */
499         tmp = rte_eth_dev_data[port_id].name;
500         strcpy(name, tmp);
501         return 0;
502 }
503
504 static int
505 rte_eth_dev_is_detachable(uint8_t port_id)
506 {
507         uint32_t drv_flags;
508
509         if (port_id >= RTE_MAX_ETHPORTS) {
510                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
511                 return -EINVAL;
512         }
513
514         if (rte_eth_devices[port_id].dev_type == RTE_ETH_DEV_PCI) {
515                 switch (rte_eth_devices[port_id].pci_dev->kdrv) {
516                 case RTE_KDRV_IGB_UIO:
517                 case RTE_KDRV_UIO_GENERIC:
518                         break;
519                 case RTE_KDRV_VFIO:
520                 default:
521                         return -ENOTSUP;
522                 }
523         }
524
525         drv_flags = rte_eth_devices[port_id].driver->pci_drv.drv_flags;
526         return !(drv_flags & RTE_PCI_DRV_DETACHABLE);
527 }
528
529 /* attach the new physical device, then store port_id of the device */
530 static int
531 rte_eth_dev_attach_pdev(struct rte_pci_addr *addr, uint8_t *port_id)
532 {
533         uint8_t new_port_id;
534         struct rte_eth_dev devs[RTE_MAX_ETHPORTS];
535
536         if ((addr == NULL) || (port_id == NULL))
537                 goto err;
538
539         /* save current port status */
540         if (rte_eth_dev_save(devs, sizeof(devs)))
541                 goto err;
542         /* re-construct pci_device_list */
543         if (rte_eal_pci_scan())
544                 goto err;
545         /* invoke probe func of the driver can handle the new device.
546          * TODO:
547          * rte_eal_pci_probe_one() should return port_id.
548          * And rte_eth_dev_save() and rte_eth_dev_get_changed_port()
549          * should be removed. */
550         if (rte_eal_pci_probe_one(addr))
551                 goto err;
552         /* get port_id enabled by above procedures */
553         if (rte_eth_dev_get_changed_port(devs, &new_port_id))
554                 goto err;
555
556         *port_id = new_port_id;
557         return 0;
558 err:
559         RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n");
560         return -1;
561 }
562
563 /* detach the new physical device, then store pci_addr of the device */
564 static int
565 rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr)
566 {
567         struct rte_pci_addr freed_addr;
568         struct rte_pci_addr vp;
569
570         if (addr == NULL)
571                 goto err;
572
573         /* check whether the driver supports detach feature, or not */
574         if (rte_eth_dev_is_detachable(port_id))
575                 goto err;
576
577         /* get pci address by port id */
578         if (rte_eth_dev_get_addr_by_port(port_id, &freed_addr))
579                 goto err;
580
581         /* Zerod pci addr means the port comes from virtual device */
582         vp.domain = vp.bus = vp.devid = vp.function = 0;
583         if (rte_eal_compare_pci_addr(&vp, &freed_addr) == 0)
584                 goto err;
585
586         /* invoke close func of the driver,
587          * also remove the device from pci_device_list */
588         if (rte_eal_pci_close_one(&freed_addr))
589                 goto err;
590
591         *addr = freed_addr;
592         return 0;
593 err:
594         RTE_LOG(ERR, EAL, "Driver, cannot detach the device\n");
595         return -1;
596 }
597
598 /* attach the new virtual device, then store port_id of the device */
599 static int
600 rte_eth_dev_attach_vdev(const char *vdevargs, uint8_t *port_id)
601 {
602         char *name = NULL, *args = NULL;
603         uint8_t new_port_id;
604         struct rte_eth_dev devs[RTE_MAX_ETHPORTS];
605         int ret = -1;
606
607         if ((vdevargs == NULL) || (port_id == NULL))
608                 goto end;
609
610         /* parse vdevargs, then retrieve device name and args */
611         if (rte_eal_parse_devargs_str(vdevargs, &name, &args))
612                 goto end;
613
614         /* save current port status */
615         if (rte_eth_dev_save(devs, sizeof(devs)))
616                 goto end;
617         /* walk around dev_driver_list to find the driver of the device,
618          * then invoke probe function o the driver.
619          * TODO:
620          * rte_eal_vdev_init() should return port_id,
621          * And rte_eth_dev_save() and rte_eth_dev_get_changed_port()
622          * should be removed. */
623         if (rte_eal_vdev_init(name, args))
624                 goto end;
625         /* get port_id enabled by above procedures */
626         if (rte_eth_dev_get_changed_port(devs, &new_port_id))
627                 goto end;
628         ret = 0;
629         *port_id = new_port_id;
630 end:
631         if (name)
632                 free(name);
633         if (args)
634                 free(args);
635
636         if (ret < 0)
637                 RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n");
638         return ret;
639 }
640
641 /* detach the new virtual device, then store the name of the device */
642 static int
643 rte_eth_dev_detach_vdev(uint8_t port_id, char *vdevname)
644 {
645         char name[RTE_ETH_NAME_MAX_LEN];
646
647         if (vdevname == NULL)
648                 goto err;
649
650         /* check whether the driver supports detach feature, or not */
651         if (rte_eth_dev_is_detachable(port_id))
652                 goto err;
653
654         /* get device name by port id */
655         if (rte_eth_dev_get_name_by_port(port_id, name))
656                 goto err;
657         /* walk around dev_driver_list to find the driver of the device,
658          * then invoke close function o the driver */
659         if (rte_eal_vdev_uninit(name))
660                 goto err;
661
662         strncpy(vdevname, name, sizeof(name));
663         return 0;
664 err:
665         RTE_LOG(ERR, EAL, "Driver, cannot detach the device\n");
666         return -1;
667 }
668
669 /* attach the new device, then store port_id of the device */
670 int
671 rte_eth_dev_attach(const char *devargs, uint8_t *port_id)
672 {
673         struct rte_pci_addr addr;
674
675         if ((devargs == NULL) || (port_id == NULL))
676                 return -EINVAL;
677
678         if (eal_parse_pci_DomBDF(devargs, &addr) == 0)
679                 return rte_eth_dev_attach_pdev(&addr, port_id);
680         else
681                 return rte_eth_dev_attach_vdev(devargs, port_id);
682 }
683
684 /* detach the device, then store the name of the device */
685 int
686 rte_eth_dev_detach(uint8_t port_id, char *name)
687 {
688         struct rte_pci_addr addr;
689         int ret;
690
691         if (name == NULL)
692                 return -EINVAL;
693
694         if (rte_eth_dev_get_device_type(port_id) == RTE_ETH_DEV_PCI) {
695                 ret = rte_eth_dev_get_addr_by_port(port_id, &addr);
696                 if (ret < 0)
697                         return ret;
698
699                 ret = rte_eth_dev_detach_pdev(port_id, &addr);
700                 if (ret == 0)
701                         snprintf(name, RTE_ETH_NAME_MAX_LEN,
702                                 "%04x:%02x:%02x.%d",
703                                 addr.domain, addr.bus,
704                                 addr.devid, addr.function);
705
706                 return ret;
707         } else
708                 return rte_eth_dev_detach_vdev(port_id, name);
709 }
710 #else /* RTE_LIBRTE_EAL_HOTPLUG */
711 int
712 rte_eth_dev_attach(const char *devargs __rte_unused,
713                         uint8_t *port_id __rte_unused)
714 {
715         RTE_LOG(ERR, EAL, "Hotplug support isn't enabled\n");
716         return -1;
717 }
718
719 /* detach the device, then store the name of the device */
720 int
721 rte_eth_dev_detach(uint8_t port_id __rte_unused,
722                         char *name __rte_unused)
723 {
724         RTE_LOG(ERR, EAL, "Hotplug support isn't enabled\n");
725         return -1;
726 }
727 #endif /* RTE_LIBRTE_EAL_HOTPLUG */
728
729 static int
730 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
731 {
732         uint16_t old_nb_queues = dev->data->nb_rx_queues;
733         void **rxq;
734         unsigned i;
735
736         if (dev->data->rx_queues == NULL) { /* first time configuration */
737                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
738                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
739                                 RTE_CACHE_LINE_SIZE);
740                 if (dev->data->rx_queues == NULL) {
741                         dev->data->nb_rx_queues = 0;
742                         return -(ENOMEM);
743                 }
744         } else { /* re-configure */
745                 FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
746
747                 rxq = dev->data->rx_queues;
748
749                 for (i = nb_queues; i < old_nb_queues; i++)
750                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
751                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
752                                 RTE_CACHE_LINE_SIZE);
753                 if (rxq == NULL)
754                         return -(ENOMEM);
755                 if (nb_queues > old_nb_queues) {
756                         uint16_t new_qs = nb_queues - old_nb_queues;
757                         memset(rxq + old_nb_queues, 0,
758                                 sizeof(rxq[0]) * new_qs);
759                 }
760
761                 dev->data->rx_queues = rxq;
762
763         }
764         dev->data->nb_rx_queues = nb_queues;
765         return 0;
766 }
767
768 int
769 rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id)
770 {
771         struct rte_eth_dev *dev;
772
773         /* This function is only safe when called from the primary process
774          * in a multi-process setup*/
775         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
776
777         if (!rte_eth_dev_is_valid_port(port_id)) {
778                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
779                 return -EINVAL;
780         }
781
782         dev = &rte_eth_devices[port_id];
783         if (rx_queue_id >= dev->data->nb_rx_queues) {
784                 PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
785                 return -EINVAL;
786         }
787
788         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
789
790         return dev->dev_ops->rx_queue_start(dev, rx_queue_id);
791
792 }
793
794 int
795 rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id)
796 {
797         struct rte_eth_dev *dev;
798
799         /* This function is only safe when called from the primary process
800          * in a multi-process setup*/
801         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
802
803         if (!rte_eth_dev_is_valid_port(port_id)) {
804                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
805                 return -EINVAL;
806         }
807
808         dev = &rte_eth_devices[port_id];
809         if (rx_queue_id >= dev->data->nb_rx_queues) {
810                 PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
811                 return -EINVAL;
812         }
813
814         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
815
816         return dev->dev_ops->rx_queue_stop(dev, rx_queue_id);
817
818 }
819
820 int
821 rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id)
822 {
823         struct rte_eth_dev *dev;
824
825         /* This function is only safe when called from the primary process
826          * in a multi-process setup*/
827         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
828
829         if (!rte_eth_dev_is_valid_port(port_id)) {
830                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
831                 return -EINVAL;
832         }
833
834         dev = &rte_eth_devices[port_id];
835         if (tx_queue_id >= dev->data->nb_tx_queues) {
836                 PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
837                 return -EINVAL;
838         }
839
840         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
841
842         return dev->dev_ops->tx_queue_start(dev, tx_queue_id);
843
844 }
845
846 int
847 rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id)
848 {
849         struct rte_eth_dev *dev;
850
851         /* This function is only safe when called from the primary process
852          * in a multi-process setup*/
853         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
854
855         if (!rte_eth_dev_is_valid_port(port_id)) {
856                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
857                 return -EINVAL;
858         }
859
860         dev = &rte_eth_devices[port_id];
861         if (tx_queue_id >= dev->data->nb_tx_queues) {
862                 PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
863                 return -EINVAL;
864         }
865
866         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
867
868         return dev->dev_ops->tx_queue_stop(dev, tx_queue_id);
869
870 }
871
872 static int
873 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
874 {
875         uint16_t old_nb_queues = dev->data->nb_tx_queues;
876         void **txq;
877         unsigned i;
878
879         if (dev->data->tx_queues == NULL) { /* first time configuration */
880                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
881                                 sizeof(dev->data->tx_queues[0]) * nb_queues,
882                                 RTE_CACHE_LINE_SIZE);
883                 if (dev->data->tx_queues == NULL) {
884                         dev->data->nb_tx_queues = 0;
885                         return -(ENOMEM);
886                 }
887         } else { /* re-configure */
888                 FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
889
890                 txq = dev->data->tx_queues;
891
892                 for (i = nb_queues; i < old_nb_queues; i++)
893                         (*dev->dev_ops->tx_queue_release)(txq[i]);
894                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
895                                 RTE_CACHE_LINE_SIZE);
896                 if (txq == NULL)
897                         return -ENOMEM;
898                 if (nb_queues > old_nb_queues) {
899                         uint16_t new_qs = nb_queues - old_nb_queues;
900                         memset(txq + old_nb_queues, 0,
901                                 sizeof(txq[0]) * new_qs);
902                 }
903
904                 dev->data->tx_queues = txq;
905
906         }
907         dev->data->nb_tx_queues = nb_queues;
908         return 0;
909 }
910
911 static int
912 rte_eth_dev_check_vf_rss_rxq_num(uint8_t port_id, uint16_t nb_rx_q)
913 {
914         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
915         switch (nb_rx_q) {
916         case 1:
917         case 2:
918                 RTE_ETH_DEV_SRIOV(dev).active =
919                         ETH_64_POOLS;
920                 break;
921         case 4:
922                 RTE_ETH_DEV_SRIOV(dev).active =
923                         ETH_32_POOLS;
924                 break;
925         default:
926                 return -EINVAL;
927         }
928
929         RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = nb_rx_q;
930         RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx =
931                 dev->pci_dev->max_vfs * nb_rx_q;
932
933         return 0;
934 }
935
936 static int
937 rte_eth_dev_check_mq_mode(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
938                       const struct rte_eth_conf *dev_conf)
939 {
940         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
941
942         if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
943                 /* check multi-queue mode */
944                 if ((dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) ||
945                     (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB_RSS) ||
946                     (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB)) {
947                         /* SRIOV only works in VMDq enable mode */
948                         PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
949                                         " SRIOV active, "
950                                         "wrong VMDQ mq_mode rx %u tx %u\n",
951                                         port_id,
952                                         dev_conf->rxmode.mq_mode,
953                                         dev_conf->txmode.mq_mode);
954                         return -EINVAL;
955                 }
956
957                 switch (dev_conf->rxmode.mq_mode) {
958                 case ETH_MQ_RX_VMDQ_DCB:
959                 case ETH_MQ_RX_VMDQ_DCB_RSS:
960                         /* DCB/RSS VMDQ in SRIOV mode, not implement yet */
961                         PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
962                                         " SRIOV active, "
963                                         "unsupported VMDQ mq_mode rx %u\n",
964                                         port_id, dev_conf->rxmode.mq_mode);
965                         return -EINVAL;
966                 case ETH_MQ_RX_RSS:
967                         PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
968                                         " SRIOV active, "
969                                         "Rx mq mode is changed from:"
970                                         "mq_mode %u into VMDQ mq_mode %u\n",
971                                         port_id,
972                                         dev_conf->rxmode.mq_mode,
973                                         dev->data->dev_conf.rxmode.mq_mode);
974                 case ETH_MQ_RX_VMDQ_RSS:
975                         dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_RSS;
976                         if (nb_rx_q <= RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool)
977                                 if (rte_eth_dev_check_vf_rss_rxq_num(port_id, nb_rx_q) != 0) {
978                                         PMD_DEBUG_TRACE("ethdev port_id=%d"
979                                                 " SRIOV active, invalid queue"
980                                                 " number for VMDQ RSS, allowed"
981                                                 " value are 1, 2 or 4\n",
982                                                 port_id);
983                                         return -EINVAL;
984                                 }
985                         break;
986                 default: /* ETH_MQ_RX_VMDQ_ONLY or ETH_MQ_RX_NONE */
987                         /* if nothing mq mode configure, use default scheme */
988                         dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
989                         if (RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool > 1)
990                                 RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
991                         break;
992                 }
993
994                 switch (dev_conf->txmode.mq_mode) {
995                 case ETH_MQ_TX_VMDQ_DCB:
996                         /* DCB VMDQ in SRIOV mode, not implement yet */
997                         PMD_DEBUG_TRACE("ethdev port_id=%" PRIu8
998                                         " SRIOV active, "
999                                         "unsupported VMDQ mq_mode tx %u\n",
1000                                         port_id, dev_conf->txmode.mq_mode);
1001                         return -EINVAL;
1002                 default: /* ETH_MQ_TX_VMDQ_ONLY or ETH_MQ_TX_NONE */
1003                         /* if nothing mq mode configure, use default scheme */
1004                         dev->data->dev_conf.txmode.mq_mode = ETH_MQ_TX_VMDQ_ONLY;
1005                         break;
1006                 }
1007
1008                 /* check valid queue number */
1009                 if ((nb_rx_q > RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool) ||
1010                     (nb_tx_q > RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool)) {
1011                         PMD_DEBUG_TRACE("ethdev port_id=%d SRIOV active, "
1012                                     "queue number must less equal to %d\n",
1013                                         port_id, RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool);
1014                         return -EINVAL;
1015                 }
1016         } else {
1017                 /* For vmdb+dcb mode check our configuration before we go further */
1018                 if (dev_conf->rxmode.mq_mode == ETH_MQ_RX_VMDQ_DCB) {
1019                         const struct rte_eth_vmdq_dcb_conf *conf;
1020
1021                         if (nb_rx_q != ETH_VMDQ_DCB_NUM_QUEUES) {
1022                                 PMD_DEBUG_TRACE("ethdev port_id=%d VMDQ+DCB, nb_rx_q "
1023                                                 "!= %d\n",
1024                                                 port_id, ETH_VMDQ_DCB_NUM_QUEUES);
1025                                 return -EINVAL;
1026                         }
1027                         conf = &(dev_conf->rx_adv_conf.vmdq_dcb_conf);
1028                         if (! (conf->nb_queue_pools == ETH_16_POOLS ||
1029                                conf->nb_queue_pools == ETH_32_POOLS)) {
1030                                 PMD_DEBUG_TRACE("ethdev port_id=%d VMDQ+DCB selected, "
1031                                                 "nb_queue_pools must be %d or %d\n",
1032                                                 port_id, ETH_16_POOLS, ETH_32_POOLS);
1033                                 return -EINVAL;
1034                         }
1035                 }
1036                 if (dev_conf->txmode.mq_mode == ETH_MQ_TX_VMDQ_DCB) {
1037                         const struct rte_eth_vmdq_dcb_tx_conf *conf;
1038
1039                         if (nb_tx_q != ETH_VMDQ_DCB_NUM_QUEUES) {
1040                                 PMD_DEBUG_TRACE("ethdev port_id=%d VMDQ+DCB, nb_tx_q "
1041                                                 "!= %d\n",
1042                                                 port_id, ETH_VMDQ_DCB_NUM_QUEUES);
1043                                 return -EINVAL;
1044                         }
1045                         conf = &(dev_conf->tx_adv_conf.vmdq_dcb_tx_conf);
1046                         if (! (conf->nb_queue_pools == ETH_16_POOLS ||
1047                                conf->nb_queue_pools == ETH_32_POOLS)) {
1048                                 PMD_DEBUG_TRACE("ethdev port_id=%d VMDQ+DCB selected, "
1049                                                 "nb_queue_pools != %d or nb_queue_pools "
1050                                                 "!= %d\n",
1051                                                 port_id, ETH_16_POOLS, ETH_32_POOLS);
1052                                 return -EINVAL;
1053                         }
1054                 }
1055
1056                 /* For DCB mode check our configuration before we go further */
1057                 if (dev_conf->rxmode.mq_mode == ETH_MQ_RX_DCB) {
1058                         const struct rte_eth_dcb_rx_conf *conf;
1059
1060                         if (nb_rx_q != ETH_DCB_NUM_QUEUES) {
1061                                 PMD_DEBUG_TRACE("ethdev port_id=%d DCB, nb_rx_q "
1062                                                 "!= %d\n",
1063                                                 port_id, ETH_DCB_NUM_QUEUES);
1064                                 return -EINVAL;
1065                         }
1066                         conf = &(dev_conf->rx_adv_conf.dcb_rx_conf);
1067                         if (! (conf->nb_tcs == ETH_4_TCS ||
1068                                conf->nb_tcs == ETH_8_TCS)) {
1069                                 PMD_DEBUG_TRACE("ethdev port_id=%d DCB selected, "
1070                                                 "nb_tcs != %d or nb_tcs "
1071                                                 "!= %d\n",
1072                                                 port_id, ETH_4_TCS, ETH_8_TCS);
1073                                 return -EINVAL;
1074                         }
1075                 }
1076
1077                 if (dev_conf->txmode.mq_mode == ETH_MQ_TX_DCB) {
1078                         const struct rte_eth_dcb_tx_conf *conf;
1079
1080                         if (nb_tx_q != ETH_DCB_NUM_QUEUES) {
1081                                 PMD_DEBUG_TRACE("ethdev port_id=%d DCB, nb_tx_q "
1082                                                 "!= %d\n",
1083                                                 port_id, ETH_DCB_NUM_QUEUES);
1084                                 return -EINVAL;
1085                         }
1086                         conf = &(dev_conf->tx_adv_conf.dcb_tx_conf);
1087                         if (! (conf->nb_tcs == ETH_4_TCS ||
1088                                conf->nb_tcs == ETH_8_TCS)) {
1089                                 PMD_DEBUG_TRACE("ethdev port_id=%d DCB selected, "
1090                                                 "nb_tcs != %d or nb_tcs "
1091                                                 "!= %d\n",
1092                                                 port_id, ETH_4_TCS, ETH_8_TCS);
1093                                 return -EINVAL;
1094                         }
1095                 }
1096         }
1097         return 0;
1098 }
1099
1100 int
1101 rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1102                       const struct rte_eth_conf *dev_conf)
1103 {
1104         struct rte_eth_dev *dev;
1105         struct rte_eth_dev_info dev_info;
1106         int diag;
1107
1108         /* This function is only safe when called from the primary process
1109          * in a multi-process setup*/
1110         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
1111
1112         if (!rte_eth_dev_is_valid_port(port_id)) {
1113                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1114                 return -EINVAL;
1115         }
1116
1117         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1118                 PMD_DEBUG_TRACE(
1119                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1120                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1121                 return -EINVAL;
1122         }
1123
1124         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1125                 PMD_DEBUG_TRACE(
1126                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1127                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1128                 return -EINVAL;
1129         }
1130
1131         dev = &rte_eth_devices[port_id];
1132
1133         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1134         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1135
1136         if (dev->data->dev_started) {
1137                 PMD_DEBUG_TRACE(
1138                     "port %d must be stopped to allow configuration\n", port_id);
1139                 return -EBUSY;
1140         }
1141
1142         /*
1143          * Check that the numbers of RX and TX queues are not greater
1144          * than the maximum number of RX and TX queues supported by the
1145          * configured device.
1146          */
1147         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
1148         if (nb_rx_q > dev_info.max_rx_queues) {
1149                 PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
1150                                 port_id, nb_rx_q, dev_info.max_rx_queues);
1151                 return -EINVAL;
1152         }
1153         if (nb_rx_q == 0) {
1154                 PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_q == 0\n", port_id);
1155                 return -EINVAL;
1156         }
1157
1158         if (nb_tx_q > dev_info.max_tx_queues) {
1159                 PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
1160                                 port_id, nb_tx_q, dev_info.max_tx_queues);
1161                 return -EINVAL;
1162         }
1163         if (nb_tx_q == 0) {
1164                 PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_q == 0\n", port_id);
1165                 return -EINVAL;
1166         }
1167
1168         /* Copy the dev_conf parameter into the dev structure */
1169         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1170
1171         /*
1172          * If link state interrupt is enabled, check that the
1173          * device supports it.
1174          */
1175         if (dev_conf->intr_conf.lsc == 1) {
1176                 const struct rte_pci_driver *pci_drv = &dev->driver->pci_drv;
1177
1178                 if (!(pci_drv->drv_flags & RTE_PCI_DRV_INTR_LSC)) {
1179                         PMD_DEBUG_TRACE("driver %s does not support lsc\n",
1180                                         pci_drv->name);
1181                         return -EINVAL;
1182                 }
1183         }
1184
1185         /*
1186          * If jumbo frames are enabled, check that the maximum RX packet
1187          * length is supported by the configured device.
1188          */
1189         if (dev_conf->rxmode.jumbo_frame == 1) {
1190                 if (dev_conf->rxmode.max_rx_pkt_len >
1191                     dev_info.max_rx_pktlen) {
1192                         PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1193                                 " > max valid value %u\n",
1194                                 port_id,
1195                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1196                                 (unsigned)dev_info.max_rx_pktlen);
1197                         return -EINVAL;
1198                 }
1199                 else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1200                         PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
1201                                 " < min valid value %u\n",
1202                                 port_id,
1203                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
1204                                 (unsigned)ETHER_MIN_LEN);
1205                         return -EINVAL;
1206                 }
1207         } else {
1208                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1209                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1210                         /* Use default value */
1211                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1212                                                         ETHER_MAX_LEN;
1213         }
1214
1215         /* multipe queue mode checking */
1216         diag = rte_eth_dev_check_mq_mode(port_id, nb_rx_q, nb_tx_q, dev_conf);
1217         if (diag != 0) {
1218                 PMD_DEBUG_TRACE("port%d rte_eth_dev_check_mq_mode = %d\n",
1219                                 port_id, diag);
1220                 return diag;
1221         }
1222
1223         /*
1224          * Setup new number of RX/TX queues and reconfigure device.
1225          */
1226         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1227         if (diag != 0) {
1228                 PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1229                                 port_id, diag);
1230                 return diag;
1231         }
1232
1233         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1234         if (diag != 0) {
1235                 PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1236                                 port_id, diag);
1237                 rte_eth_dev_rx_queue_config(dev, 0);
1238                 return diag;
1239         }
1240
1241         diag = (*dev->dev_ops->dev_configure)(dev);
1242         if (diag != 0) {
1243                 PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1244                                 port_id, diag);
1245                 rte_eth_dev_rx_queue_config(dev, 0);
1246                 rte_eth_dev_tx_queue_config(dev, 0);
1247                 return diag;
1248         }
1249
1250         return 0;
1251 }
1252
1253 static void
1254 rte_eth_dev_config_restore(uint8_t port_id)
1255 {
1256         struct rte_eth_dev *dev;
1257         struct rte_eth_dev_info dev_info;
1258         struct ether_addr addr;
1259         uint16_t i;
1260         uint32_t pool = 0;
1261
1262         dev = &rte_eth_devices[port_id];
1263
1264         rte_eth_dev_info_get(port_id, &dev_info);
1265
1266         if (RTE_ETH_DEV_SRIOV(dev).active)
1267                 pool = RTE_ETH_DEV_SRIOV(dev).def_vmdq_idx;
1268
1269         /* replay MAC address configuration */
1270         for (i = 0; i < dev_info.max_mac_addrs; i++) {
1271                 addr = dev->data->mac_addrs[i];
1272
1273                 /* skip zero address */
1274                 if (is_zero_ether_addr(&addr))
1275                         continue;
1276
1277                 /* add address to the hardware */
1278                 if  (*dev->dev_ops->mac_addr_add &&
1279                         (dev->data->mac_pool_sel[i] & (1ULL << pool)))
1280                         (*dev->dev_ops->mac_addr_add)(dev, &addr, i, pool);
1281                 else {
1282                         PMD_DEBUG_TRACE("port %d: MAC address array not supported\n",
1283                                         port_id);
1284                         /* exit the loop but not return an error */
1285                         break;
1286                 }
1287         }
1288
1289         /* replay promiscuous configuration */
1290         if (rte_eth_promiscuous_get(port_id) == 1)
1291                 rte_eth_promiscuous_enable(port_id);
1292         else if (rte_eth_promiscuous_get(port_id) == 0)
1293                 rte_eth_promiscuous_disable(port_id);
1294
1295         /* replay allmulticast configuration */
1296         if (rte_eth_allmulticast_get(port_id) == 1)
1297                 rte_eth_allmulticast_enable(port_id);
1298         else if (rte_eth_allmulticast_get(port_id) == 0)
1299                 rte_eth_allmulticast_disable(port_id);
1300 }
1301
1302 int
1303 rte_eth_dev_start(uint8_t port_id)
1304 {
1305         struct rte_eth_dev *dev;
1306         int diag;
1307
1308         /* This function is only safe when called from the primary process
1309          * in a multi-process setup*/
1310         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
1311
1312         if (!rte_eth_dev_is_valid_port(port_id)) {
1313                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1314                 return -EINVAL;
1315         }
1316
1317         dev = &rte_eth_devices[port_id];
1318
1319         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1320
1321         if (dev->data->dev_started != 0) {
1322                 PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1323                         " already started\n",
1324                         port_id);
1325                 return 0;
1326         }
1327
1328         diag = (*dev->dev_ops->dev_start)(dev);
1329         if (diag == 0)
1330                 dev->data->dev_started = 1;
1331         else
1332                 return diag;
1333
1334         rte_eth_dev_config_restore(port_id);
1335
1336         if (dev->data->dev_conf.intr_conf.lsc != 0) {
1337                 FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1338                 (*dev->dev_ops->link_update)(dev, 0);
1339         }
1340         return 0;
1341 }
1342
1343 void
1344 rte_eth_dev_stop(uint8_t port_id)
1345 {
1346         struct rte_eth_dev *dev;
1347
1348         /* This function is only safe when called from the primary process
1349          * in a multi-process setup*/
1350         PROC_PRIMARY_OR_RET();
1351
1352         if (!rte_eth_dev_is_valid_port(port_id)) {
1353                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1354                 return;
1355         }
1356
1357         dev = &rte_eth_devices[port_id];
1358
1359         FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1360
1361         if (dev->data->dev_started == 0) {
1362                 PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1363                         " already stopped\n",
1364                         port_id);
1365                 return;
1366         }
1367
1368         dev->data->dev_started = 0;
1369         (*dev->dev_ops->dev_stop)(dev);
1370 }
1371
1372 int
1373 rte_eth_dev_set_link_up(uint8_t port_id)
1374 {
1375         struct rte_eth_dev *dev;
1376
1377         /* This function is only safe when called from the primary process
1378          * in a multi-process setup*/
1379         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
1380
1381         if (!rte_eth_dev_is_valid_port(port_id)) {
1382                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1383                 return -EINVAL;
1384         }
1385
1386         dev = &rte_eth_devices[port_id];
1387
1388         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1389         return (*dev->dev_ops->dev_set_link_up)(dev);
1390 }
1391
1392 int
1393 rte_eth_dev_set_link_down(uint8_t port_id)
1394 {
1395         struct rte_eth_dev *dev;
1396
1397         /* This function is only safe when called from the primary process
1398          * in a multi-process setup*/
1399         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
1400
1401         if (!rte_eth_dev_is_valid_port(port_id)) {
1402                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1403                 return -EINVAL;
1404         }
1405
1406         dev = &rte_eth_devices[port_id];
1407
1408         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1409         return (*dev->dev_ops->dev_set_link_down)(dev);
1410 }
1411
1412 void
1413 rte_eth_dev_close(uint8_t port_id)
1414 {
1415         struct rte_eth_dev *dev;
1416
1417         /* This function is only safe when called from the primary process
1418          * in a multi-process setup*/
1419         PROC_PRIMARY_OR_RET();
1420
1421         if (!rte_eth_dev_is_valid_port(port_id)) {
1422                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1423                 return;
1424         }
1425
1426         dev = &rte_eth_devices[port_id];
1427
1428         FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1429         dev->data->dev_started = 0;
1430         (*dev->dev_ops->dev_close)(dev);
1431 }
1432
1433 int
1434 rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
1435                        uint16_t nb_rx_desc, unsigned int socket_id,
1436                        const struct rte_eth_rxconf *rx_conf,
1437                        struct rte_mempool *mp)
1438 {
1439         int ret;
1440         uint32_t mbp_buf_size;
1441         struct rte_eth_dev *dev;
1442         struct rte_eth_dev_info dev_info;
1443
1444         /* This function is only safe when called from the primary process
1445          * in a multi-process setup*/
1446         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
1447
1448         if (!rte_eth_dev_is_valid_port(port_id)) {
1449                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1450                 return -EINVAL;
1451         }
1452
1453         dev = &rte_eth_devices[port_id];
1454         if (rx_queue_id >= dev->data->nb_rx_queues) {
1455                 PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1456                 return -EINVAL;
1457         }
1458
1459         if (dev->data->dev_started) {
1460                 PMD_DEBUG_TRACE(
1461                     "port %d must be stopped to allow configuration\n", port_id);
1462                 return -EBUSY;
1463         }
1464
1465         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1466         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1467
1468         /*
1469          * Check the size of the mbuf data buffer.
1470          * This value must be provided in the private data of the memory pool.
1471          * First check that the memory pool has a valid private data.
1472          */
1473         rte_eth_dev_info_get(port_id, &dev_info);
1474         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1475                 PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1476                                 mp->name, (int) mp->private_data_size,
1477                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1478                 return -ENOSPC;
1479         }
1480         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1481
1482         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1483                 PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1484                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1485                                 "=%d)\n",
1486                                 mp->name,
1487                                 (int)mbp_buf_size,
1488                                 (int)(RTE_PKTMBUF_HEADROOM +
1489                                       dev_info.min_rx_bufsize),
1490                                 (int)RTE_PKTMBUF_HEADROOM,
1491                                 (int)dev_info.min_rx_bufsize);
1492                 return -EINVAL;
1493         }
1494
1495         if (rx_conf == NULL)
1496                 rx_conf = &dev_info.default_rxconf;
1497
1498         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1499                                               socket_id, rx_conf, mp);
1500         if (!ret) {
1501                 if (!dev->data->min_rx_buf_size ||
1502                     dev->data->min_rx_buf_size > mbp_buf_size)
1503                         dev->data->min_rx_buf_size = mbp_buf_size;
1504         }
1505
1506         return ret;
1507 }
1508
1509 int
1510 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1511                        uint16_t nb_tx_desc, unsigned int socket_id,
1512                        const struct rte_eth_txconf *tx_conf)
1513 {
1514         struct rte_eth_dev *dev;
1515         struct rte_eth_dev_info dev_info;
1516
1517         /* This function is only safe when called from the primary process
1518          * in a multi-process setup*/
1519         PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY);
1520
1521         if (!rte_eth_dev_is_valid_port(port_id)) {
1522                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1523                 return -EINVAL;
1524         }
1525
1526         dev = &rte_eth_devices[port_id];
1527         if (tx_queue_id >= dev->data->nb_tx_queues) {
1528                 PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1529                 return -EINVAL;
1530         }
1531
1532         if (dev->data->dev_started) {
1533                 PMD_DEBUG_TRACE(
1534                     "port %d must be stopped to allow configuration\n", port_id);
1535                 return -EBUSY;
1536         }
1537
1538         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1539         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1540
1541         rte_eth_dev_info_get(port_id, &dev_info);
1542
1543         if (tx_conf == NULL)
1544                 tx_conf = &dev_info.default_txconf;
1545
1546         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1547                                                socket_id, tx_conf);
1548 }
1549
1550 void
1551 rte_eth_promiscuous_enable(uint8_t port_id)
1552 {
1553         struct rte_eth_dev *dev;
1554
1555         if (!rte_eth_dev_is_valid_port(port_id)) {
1556                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1557                 return;
1558         }
1559
1560         dev = &rte_eth_devices[port_id];
1561
1562         FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1563         (*dev->dev_ops->promiscuous_enable)(dev);
1564         dev->data->promiscuous = 1;
1565 }
1566
1567 void
1568 rte_eth_promiscuous_disable(uint8_t port_id)
1569 {
1570         struct rte_eth_dev *dev;
1571
1572         if (!rte_eth_dev_is_valid_port(port_id)) {
1573                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1574                 return;
1575         }
1576
1577         dev = &rte_eth_devices[port_id];
1578
1579         FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1580         dev->data->promiscuous = 0;
1581         (*dev->dev_ops->promiscuous_disable)(dev);
1582 }
1583
1584 int
1585 rte_eth_promiscuous_get(uint8_t port_id)
1586 {
1587         struct rte_eth_dev *dev;
1588
1589         if (!rte_eth_dev_is_valid_port(port_id)) {
1590                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1591                 return -1;
1592         }
1593
1594         dev = &rte_eth_devices[port_id];
1595         return dev->data->promiscuous;
1596 }
1597
1598 void
1599 rte_eth_allmulticast_enable(uint8_t port_id)
1600 {
1601         struct rte_eth_dev *dev;
1602
1603         if (!rte_eth_dev_is_valid_port(port_id)) {
1604                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1605                 return;
1606         }
1607
1608         dev = &rte_eth_devices[port_id];
1609
1610         FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1611         (*dev->dev_ops->allmulticast_enable)(dev);
1612         dev->data->all_multicast = 1;
1613 }
1614
1615 void
1616 rte_eth_allmulticast_disable(uint8_t port_id)
1617 {
1618         struct rte_eth_dev *dev;
1619
1620         if (!rte_eth_dev_is_valid_port(port_id)) {
1621                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1622                 return;
1623         }
1624
1625         dev = &rte_eth_devices[port_id];
1626
1627         FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1628         dev->data->all_multicast = 0;
1629         (*dev->dev_ops->allmulticast_disable)(dev);
1630 }
1631
1632 int
1633 rte_eth_allmulticast_get(uint8_t port_id)
1634 {
1635         struct rte_eth_dev *dev;
1636
1637         if (!rte_eth_dev_is_valid_port(port_id)) {
1638                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1639                 return -1;
1640         }
1641
1642         dev = &rte_eth_devices[port_id];
1643         return dev->data->all_multicast;
1644 }
1645
1646 static inline int
1647 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1648                                 struct rte_eth_link *link)
1649 {
1650         struct rte_eth_link *dst = link;
1651         struct rte_eth_link *src = &(dev->data->dev_link);
1652
1653         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1654                                         *(uint64_t *)src) == 0)
1655                 return -1;
1656
1657         return 0;
1658 }
1659
1660 void
1661 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1662 {
1663         struct rte_eth_dev *dev;
1664
1665         if (!rte_eth_dev_is_valid_port(port_id)) {
1666                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1667                 return;
1668         }
1669
1670         dev = &rte_eth_devices[port_id];
1671
1672         if (dev->data->dev_conf.intr_conf.lsc != 0)
1673                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1674         else {
1675                 FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1676                 (*dev->dev_ops->link_update)(dev, 1);
1677                 *eth_link = dev->data->dev_link;
1678         }
1679 }
1680
1681 void
1682 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1683 {
1684         struct rte_eth_dev *dev;
1685
1686         if (!rte_eth_dev_is_valid_port(port_id)) {
1687                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1688                 return;
1689         }
1690
1691         dev = &rte_eth_devices[port_id];
1692
1693         if (dev->data->dev_conf.intr_conf.lsc != 0)
1694                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1695         else {
1696                 FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1697                 (*dev->dev_ops->link_update)(dev, 0);
1698                 *eth_link = dev->data->dev_link;
1699         }
1700 }
1701
1702 int
1703 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1704 {
1705         struct rte_eth_dev *dev;
1706
1707         if (!rte_eth_dev_is_valid_port(port_id)) {
1708                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1709                 return -ENODEV;
1710         }
1711
1712         dev = &rte_eth_devices[port_id];
1713         memset(stats, 0, sizeof(*stats));
1714
1715         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1716         (*dev->dev_ops->stats_get)(dev, stats);
1717         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1718         return 0;
1719 }
1720
1721 void
1722 rte_eth_stats_reset(uint8_t port_id)
1723 {
1724         struct rte_eth_dev *dev;
1725
1726         if (!rte_eth_dev_is_valid_port(port_id)) {
1727                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1728                 return;
1729         }
1730
1731         dev = &rte_eth_devices[port_id];
1732
1733         FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1734         (*dev->dev_ops->stats_reset)(dev);
1735 }
1736
1737 /* retrieve ethdev extended statistics */
1738 int
1739 rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
1740         unsigned n)
1741 {
1742         struct rte_eth_stats eth_stats;
1743         struct rte_eth_dev *dev;
1744         unsigned count, i, q;
1745         uint64_t val;
1746         char *stats_ptr;
1747
1748         if (!rte_eth_dev_is_valid_port(port_id)) {
1749                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1750                 return -1;
1751         }
1752
1753         dev = &rte_eth_devices[port_id];
1754
1755         /* implemented by the driver */
1756         if (dev->dev_ops->xstats_get != NULL)
1757                 return (*dev->dev_ops->xstats_get)(dev, xstats, n);
1758
1759         /* else, return generic statistics */
1760         count = RTE_NB_STATS;
1761         count += dev->data->nb_rx_queues * RTE_NB_RXQ_STATS;
1762         count += dev->data->nb_tx_queues * RTE_NB_TXQ_STATS;
1763         if (n < count)
1764                 return count;
1765
1766         /* now fill the xstats structure */
1767
1768         count = 0;
1769         rte_eth_stats_get(port_id, &eth_stats);
1770
1771         /* global stats */
1772         for (i = 0; i < RTE_NB_STATS; i++) {
1773                 stats_ptr = (char *)&eth_stats + rte_stats_strings[i].offset;
1774                 val = *(uint64_t *)stats_ptr;
1775                 snprintf(xstats[count].name, sizeof(xstats[count].name),
1776                         "%s", rte_stats_strings[i].name);
1777                 xstats[count++].value = val;
1778         }
1779
1780         /* per-rxq stats */
1781         for (q = 0; q < dev->data->nb_rx_queues; q++) {
1782                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1783                         stats_ptr = (char *)&eth_stats;
1784                         stats_ptr += rte_rxq_stats_strings[i].offset;
1785                         stats_ptr += q * sizeof(uint64_t);
1786                         val = *(uint64_t *)stats_ptr;
1787                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1788                                 "rx_queue_%u_%s", q,
1789                                 rte_rxq_stats_strings[i].name);
1790                         xstats[count++].value = val;
1791                 }
1792         }
1793
1794         /* per-txq stats */
1795         for (q = 0; q < dev->data->nb_tx_queues; q++) {
1796                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1797                         stats_ptr = (char *)&eth_stats;
1798                         stats_ptr += rte_txq_stats_strings[i].offset;
1799                         stats_ptr += q * sizeof(uint64_t);
1800                         val = *(uint64_t *)stats_ptr;
1801                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1802                                 "tx_queue_%u_%s", q,
1803                                 rte_txq_stats_strings[i].name);
1804                         xstats[count++].value = val;
1805                 }
1806         }
1807
1808         return count;
1809 }
1810
1811 /* reset ethdev extended statistics */
1812 void
1813 rte_eth_xstats_reset(uint8_t port_id)
1814 {
1815         struct rte_eth_dev *dev;
1816
1817         if (!rte_eth_dev_is_valid_port(port_id)) {
1818                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1819                 return;
1820         }
1821
1822         dev = &rte_eth_devices[port_id];
1823
1824         /* implemented by the driver */
1825         if (dev->dev_ops->xstats_reset != NULL) {
1826                 (*dev->dev_ops->xstats_reset)(dev);
1827                 return;
1828         }
1829
1830         /* fallback to default */
1831         rte_eth_stats_reset(port_id);
1832 }
1833
1834 static int
1835 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
1836                 uint8_t is_rx)
1837 {
1838         struct rte_eth_dev *dev;
1839
1840         if (!rte_eth_dev_is_valid_port(port_id)) {
1841                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1842                 return -ENODEV;
1843         }
1844
1845         dev = &rte_eth_devices[port_id];
1846
1847         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1848         return (*dev->dev_ops->queue_stats_mapping_set)
1849                         (dev, queue_id, stat_idx, is_rx);
1850 }
1851
1852
1853 int
1854 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
1855                 uint8_t stat_idx)
1856 {
1857         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1858                         STAT_QMAP_TX);
1859 }
1860
1861
1862 int
1863 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
1864                 uint8_t stat_idx)
1865 {
1866         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1867                         STAT_QMAP_RX);
1868 }
1869
1870
1871 void
1872 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
1873 {
1874         struct rte_eth_dev *dev;
1875
1876         if (!rte_eth_dev_is_valid_port(port_id)) {
1877                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1878                 return;
1879         }
1880
1881         dev = &rte_eth_devices[port_id];
1882
1883         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
1884
1885         FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1886         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1887         dev_info->pci_dev = dev->pci_dev;
1888         if (dev->driver)
1889                 dev_info->driver_name = dev->driver->pci_drv.name;
1890 }
1891
1892 void
1893 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
1894 {
1895         struct rte_eth_dev *dev;
1896
1897         if (!rte_eth_dev_is_valid_port(port_id)) {
1898                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1899                 return;
1900         }
1901
1902         dev = &rte_eth_devices[port_id];
1903         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
1904 }
1905
1906
1907 int
1908 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
1909 {
1910         struct rte_eth_dev *dev;
1911
1912         if (!rte_eth_dev_is_valid_port(port_id)) {
1913                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1914                 return -ENODEV;
1915         }
1916
1917         dev = &rte_eth_devices[port_id];
1918         *mtu = dev->data->mtu;
1919         return 0;
1920 }
1921
1922 int
1923 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
1924 {
1925         int ret;
1926         struct rte_eth_dev *dev;
1927
1928         if (!rte_eth_dev_is_valid_port(port_id)) {
1929                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1930                 return -ENODEV;
1931         }
1932
1933         dev = &rte_eth_devices[port_id];
1934         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
1935
1936         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
1937         if (!ret)
1938                 dev->data->mtu = mtu;
1939
1940         return ret;
1941 }
1942
1943 int
1944 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
1945 {
1946         struct rte_eth_dev *dev;
1947
1948         if (!rte_eth_dev_is_valid_port(port_id)) {
1949                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1950                 return -ENODEV;
1951         }
1952
1953         dev = &rte_eth_devices[port_id];
1954         if (! (dev->data->dev_conf.rxmode.hw_vlan_filter)) {
1955                 PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
1956                 return -ENOSYS;
1957         }
1958
1959         if (vlan_id > 4095) {
1960                 PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
1961                                 port_id, (unsigned) vlan_id);
1962                 return -EINVAL;
1963         }
1964         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
1965
1966         return (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
1967 }
1968
1969 int
1970 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
1971 {
1972         struct rte_eth_dev *dev;
1973
1974         if (!rte_eth_dev_is_valid_port(port_id)) {
1975                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1976                 return -ENODEV;
1977         }
1978
1979         dev = &rte_eth_devices[port_id];
1980         if (rx_queue_id >= dev->data->nb_rx_queues) {
1981                 PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
1982                 return -EINVAL;
1983         }
1984
1985         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
1986         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
1987
1988         return 0;
1989 }
1990
1991 int
1992 rte_eth_dev_set_vlan_ether_type(uint8_t port_id, uint16_t tpid)
1993 {
1994         struct rte_eth_dev *dev;
1995
1996         if (!rte_eth_dev_is_valid_port(port_id)) {
1997                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1998                 return -ENODEV;
1999         }
2000
2001         dev = &rte_eth_devices[port_id];
2002         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2003         (*dev->dev_ops->vlan_tpid_set)(dev, tpid);
2004
2005         return 0;
2006 }
2007
2008 int
2009 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
2010 {
2011         struct rte_eth_dev *dev;
2012         int ret = 0;
2013         int mask = 0;
2014         int cur, org = 0;
2015
2016         if (!rte_eth_dev_is_valid_port(port_id)) {
2017                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2018                 return -ENODEV;
2019         }
2020
2021         dev = &rte_eth_devices[port_id];
2022
2023         /*check which option changed by application*/
2024         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2025         org = !!(dev->data->dev_conf.rxmode.hw_vlan_strip);
2026         if (cur != org){
2027                 dev->data->dev_conf.rxmode.hw_vlan_strip = (uint8_t)cur;
2028                 mask |= ETH_VLAN_STRIP_MASK;
2029         }
2030
2031         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2032         org = !!(dev->data->dev_conf.rxmode.hw_vlan_filter);
2033         if (cur != org){
2034                 dev->data->dev_conf.rxmode.hw_vlan_filter = (uint8_t)cur;
2035                 mask |= ETH_VLAN_FILTER_MASK;
2036         }
2037
2038         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2039         org = !!(dev->data->dev_conf.rxmode.hw_vlan_extend);
2040         if (cur != org){
2041                 dev->data->dev_conf.rxmode.hw_vlan_extend = (uint8_t)cur;
2042                 mask |= ETH_VLAN_EXTEND_MASK;
2043         }
2044
2045         /*no change*/
2046         if(mask == 0)
2047                 return ret;
2048
2049         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2050         (*dev->dev_ops->vlan_offload_set)(dev, mask);
2051
2052         return ret;
2053 }
2054
2055 int
2056 rte_eth_dev_get_vlan_offload(uint8_t port_id)
2057 {
2058         struct rte_eth_dev *dev;
2059         int ret = 0;
2060
2061         if (!rte_eth_dev_is_valid_port(port_id)) {
2062                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2063                 return -ENODEV;
2064         }
2065
2066         dev = &rte_eth_devices[port_id];
2067
2068         if (dev->data->dev_conf.rxmode.hw_vlan_strip)
2069                 ret |= ETH_VLAN_STRIP_OFFLOAD ;
2070
2071         if (dev->data->dev_conf.rxmode.hw_vlan_filter)
2072                 ret |= ETH_VLAN_FILTER_OFFLOAD ;
2073
2074         if (dev->data->dev_conf.rxmode.hw_vlan_extend)
2075                 ret |= ETH_VLAN_EXTEND_OFFLOAD ;
2076
2077         return ret;
2078 }
2079
2080 int
2081 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
2082 {
2083         struct rte_eth_dev *dev;
2084
2085         if (!rte_eth_dev_is_valid_port(port_id)) {
2086                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2087                 return -ENODEV;
2088         }
2089
2090         dev = &rte_eth_devices[port_id];
2091         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2092         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
2093
2094         return 0;
2095 }
2096
2097 int
2098 rte_eth_dev_fdir_add_signature_filter(uint8_t port_id,
2099                                       struct rte_fdir_filter *fdir_filter,
2100                                       uint8_t queue)
2101 {
2102         struct rte_eth_dev *dev;
2103
2104         if (!rte_eth_dev_is_valid_port(port_id)) {
2105                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2106                 return -ENODEV;
2107         }
2108
2109         dev = &rte_eth_devices[port_id];
2110
2111         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_SIGNATURE) {
2112                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
2113                                 port_id, dev->data->dev_conf.fdir_conf.mode);
2114                 return -ENOSYS;
2115         }
2116
2117         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
2118              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
2119             && (fdir_filter->port_src || fdir_filter->port_dst)) {
2120                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
2121                                 "None l4type, source & destinations ports " \
2122                                 "should be null!\n");
2123                 return -EINVAL;
2124         }
2125
2126         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_add_signature_filter, -ENOTSUP);
2127         return (*dev->dev_ops->fdir_add_signature_filter)(dev, fdir_filter,
2128                                                                 queue);
2129 }
2130
2131 int
2132 rte_eth_dev_fdir_update_signature_filter(uint8_t port_id,
2133                                          struct rte_fdir_filter *fdir_filter,
2134                                          uint8_t queue)
2135 {
2136         struct rte_eth_dev *dev;
2137
2138         if (!rte_eth_dev_is_valid_port(port_id)) {
2139                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2140                 return -ENODEV;
2141         }
2142
2143         dev = &rte_eth_devices[port_id];
2144
2145         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_SIGNATURE) {
2146                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
2147                                 port_id, dev->data->dev_conf.fdir_conf.mode);
2148                 return -ENOSYS;
2149         }
2150
2151         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
2152              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
2153             && (fdir_filter->port_src || fdir_filter->port_dst)) {
2154                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
2155                                 "None l4type, source & destinations ports " \
2156                                 "should be null!\n");
2157                 return -EINVAL;
2158         }
2159
2160         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_update_signature_filter, -ENOTSUP);
2161         return (*dev->dev_ops->fdir_update_signature_filter)(dev, fdir_filter,
2162                                                                 queue);
2163
2164 }
2165
2166 int
2167 rte_eth_dev_fdir_remove_signature_filter(uint8_t port_id,
2168                                          struct rte_fdir_filter *fdir_filter)
2169 {
2170         struct rte_eth_dev *dev;
2171
2172         if (!rte_eth_dev_is_valid_port(port_id)) {
2173                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2174                 return -ENODEV;
2175         }
2176
2177         dev = &rte_eth_devices[port_id];
2178
2179         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_SIGNATURE) {
2180                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
2181                                 port_id, dev->data->dev_conf.fdir_conf.mode);
2182                 return -ENOSYS;
2183         }
2184
2185         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
2186              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
2187             && (fdir_filter->port_src || fdir_filter->port_dst)) {
2188                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
2189                                 "None l4type source & destinations ports " \
2190                                 "should be null!\n");
2191                 return -EINVAL;
2192         }
2193
2194         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_remove_signature_filter, -ENOTSUP);
2195         return (*dev->dev_ops->fdir_remove_signature_filter)(dev, fdir_filter);
2196 }
2197
2198 int
2199 rte_eth_dev_fdir_get_infos(uint8_t port_id, struct rte_eth_fdir *fdir)
2200 {
2201         struct rte_eth_dev *dev;
2202
2203         if (!rte_eth_dev_is_valid_port(port_id)) {
2204                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2205                 return -ENODEV;
2206         }
2207
2208         dev = &rte_eth_devices[port_id];
2209         if (! (dev->data->dev_conf.fdir_conf.mode)) {
2210                 PMD_DEBUG_TRACE("port %d: pkt-filter disabled\n", port_id);
2211                 return -ENOSYS;
2212         }
2213
2214         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_infos_get, -ENOTSUP);
2215
2216         (*dev->dev_ops->fdir_infos_get)(dev, fdir);
2217         return 0;
2218 }
2219
2220 int
2221 rte_eth_dev_fdir_add_perfect_filter(uint8_t port_id,
2222                                     struct rte_fdir_filter *fdir_filter,
2223                                     uint16_t soft_id, uint8_t queue,
2224                                     uint8_t drop)
2225 {
2226         struct rte_eth_dev *dev;
2227
2228         if (!rte_eth_dev_is_valid_port(port_id)) {
2229                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2230                 return -ENODEV;
2231         }
2232
2233         dev = &rte_eth_devices[port_id];
2234
2235         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
2236                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
2237                                 port_id, dev->data->dev_conf.fdir_conf.mode);
2238                 return -ENOSYS;
2239         }
2240
2241         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
2242              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
2243             && (fdir_filter->port_src || fdir_filter->port_dst)) {
2244                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
2245                                 "None l4type, source & destinations ports " \
2246                                 "should be null!\n");
2247                 return -EINVAL;
2248         }
2249
2250         /* For now IPv6 is not supported with perfect filter */
2251         if (fdir_filter->iptype == RTE_FDIR_IPTYPE_IPV6)
2252                 return -ENOTSUP;
2253
2254         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_add_perfect_filter, -ENOTSUP);
2255         return (*dev->dev_ops->fdir_add_perfect_filter)(dev, fdir_filter,
2256                                                                 soft_id, queue,
2257                                                                 drop);
2258 }
2259
2260 int
2261 rte_eth_dev_fdir_update_perfect_filter(uint8_t port_id,
2262                                        struct rte_fdir_filter *fdir_filter,
2263                                        uint16_t soft_id, uint8_t queue,
2264                                        uint8_t drop)
2265 {
2266         struct rte_eth_dev *dev;
2267
2268         if (!rte_eth_dev_is_valid_port(port_id)) {
2269                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2270                 return -ENODEV;
2271         }
2272
2273         dev = &rte_eth_devices[port_id];
2274
2275         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
2276                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
2277                                 port_id, dev->data->dev_conf.fdir_conf.mode);
2278                 return -ENOSYS;
2279         }
2280
2281         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
2282              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
2283             && (fdir_filter->port_src || fdir_filter->port_dst)) {
2284                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
2285                                 "None l4type, source & destinations ports " \
2286                                 "should be null!\n");
2287                 return -EINVAL;
2288         }
2289
2290         /* For now IPv6 is not supported with perfect filter */
2291         if (fdir_filter->iptype == RTE_FDIR_IPTYPE_IPV6)
2292                 return -ENOTSUP;
2293
2294         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_update_perfect_filter, -ENOTSUP);
2295         return (*dev->dev_ops->fdir_update_perfect_filter)(dev, fdir_filter,
2296                                                         soft_id, queue, drop);
2297 }
2298
2299 int
2300 rte_eth_dev_fdir_remove_perfect_filter(uint8_t port_id,
2301                                        struct rte_fdir_filter *fdir_filter,
2302                                        uint16_t soft_id)
2303 {
2304         struct rte_eth_dev *dev;
2305
2306         if (!rte_eth_dev_is_valid_port(port_id)) {
2307                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2308                 return -ENODEV;
2309         }
2310
2311         dev = &rte_eth_devices[port_id];
2312
2313         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
2314                 PMD_DEBUG_TRACE("port %d: invalid FDIR mode=%u\n",
2315                                 port_id, dev->data->dev_conf.fdir_conf.mode);
2316                 return -ENOSYS;
2317         }
2318
2319         if ((fdir_filter->l4type == RTE_FDIR_L4TYPE_SCTP
2320              || fdir_filter->l4type == RTE_FDIR_L4TYPE_NONE)
2321             && (fdir_filter->port_src || fdir_filter->port_dst)) {
2322                 PMD_DEBUG_TRACE(" Port are meaningless for SCTP and " \
2323                                 "None l4type, source & destinations ports " \
2324                                 "should be null!\n");
2325                 return -EINVAL;
2326         }
2327
2328         /* For now IPv6 is not supported with perfect filter */
2329         if (fdir_filter->iptype == RTE_FDIR_IPTYPE_IPV6)
2330                 return -ENOTSUP;
2331
2332         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_remove_perfect_filter, -ENOTSUP);
2333         return (*dev->dev_ops->fdir_remove_perfect_filter)(dev, fdir_filter,
2334                                                                 soft_id);
2335 }
2336
2337 int
2338 rte_eth_dev_fdir_set_masks(uint8_t port_id, struct rte_fdir_masks *fdir_mask)
2339 {
2340         struct rte_eth_dev *dev;
2341
2342         if (!rte_eth_dev_is_valid_port(port_id)) {
2343                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2344                 return -ENODEV;
2345         }
2346
2347         dev = &rte_eth_devices[port_id];
2348         if (! (dev->data->dev_conf.fdir_conf.mode)) {
2349                 PMD_DEBUG_TRACE("port %d: pkt-filter disabled\n", port_id);
2350                 return -ENOSYS;
2351         }
2352
2353         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fdir_set_masks, -ENOTSUP);
2354         return (*dev->dev_ops->fdir_set_masks)(dev, fdir_mask);
2355 }
2356
2357 int
2358 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2359 {
2360         struct rte_eth_dev *dev;
2361
2362         if (!rte_eth_dev_is_valid_port(port_id)) {
2363                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2364                 return -ENODEV;
2365         }
2366
2367         dev = &rte_eth_devices[port_id];
2368         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2369         memset(fc_conf, 0, sizeof(*fc_conf));
2370         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
2371 }
2372
2373 int
2374 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
2375 {
2376         struct rte_eth_dev *dev;
2377
2378         if (!rte_eth_dev_is_valid_port(port_id)) {
2379                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2380                 return -ENODEV;
2381         }
2382
2383         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2384                 PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
2385                 return -EINVAL;
2386         }
2387
2388         dev = &rte_eth_devices[port_id];
2389         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2390         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
2391 }
2392
2393 int
2394 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
2395 {
2396         struct rte_eth_dev *dev;
2397
2398         if (!rte_eth_dev_is_valid_port(port_id)) {
2399                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2400                 return -ENODEV;
2401         }
2402
2403         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2404                 PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
2405                 return -EINVAL;
2406         }
2407
2408         dev = &rte_eth_devices[port_id];
2409         /* High water, low water validation are device specific */
2410         if  (*dev->dev_ops->priority_flow_ctrl_set)
2411                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
2412         return -ENOTSUP;
2413 }
2414
2415 static int
2416 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2417                         uint16_t reta_size)
2418 {
2419         uint16_t i, num;
2420
2421         if (!reta_conf)
2422                 return -EINVAL;
2423
2424         if (reta_size != RTE_ALIGN(reta_size, RTE_RETA_GROUP_SIZE)) {
2425                 PMD_DEBUG_TRACE("Invalid reta size, should be %u aligned\n",
2426                                                         RTE_RETA_GROUP_SIZE);
2427                 return -EINVAL;
2428         }
2429
2430         num = reta_size / RTE_RETA_GROUP_SIZE;
2431         for (i = 0; i < num; i++) {
2432                 if (reta_conf[i].mask)
2433                         return 0;
2434         }
2435
2436         return -EINVAL;
2437 }
2438
2439 static int
2440 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2441                          uint16_t reta_size,
2442                          uint8_t max_rxq)
2443 {
2444         uint16_t i, idx, shift;
2445
2446         if (!reta_conf)
2447                 return -EINVAL;
2448
2449         if (max_rxq == 0) {
2450                 PMD_DEBUG_TRACE("No receive queue is available\n");
2451                 return -EINVAL;
2452         }
2453
2454         for (i = 0; i < reta_size; i++) {
2455                 idx = i / RTE_RETA_GROUP_SIZE;
2456                 shift = i % RTE_RETA_GROUP_SIZE;
2457                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2458                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2459                         PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
2460                                 "the maximum rxq index: %u\n", idx, shift,
2461                                 reta_conf[idx].reta[shift], max_rxq);
2462                         return -EINVAL;
2463                 }
2464         }
2465
2466         return 0;
2467 }
2468
2469 int
2470 rte_eth_dev_rss_reta_update(uint8_t port_id,
2471                             struct rte_eth_rss_reta_entry64 *reta_conf,
2472                             uint16_t reta_size)
2473 {
2474         struct rte_eth_dev *dev;
2475         int ret;
2476
2477         if (!rte_eth_dev_is_valid_port(port_id)) {
2478                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2479                 return -ENODEV;
2480         }
2481
2482         /* Check mask bits */
2483         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2484         if (ret < 0)
2485                 return ret;
2486
2487         dev = &rte_eth_devices[port_id];
2488
2489         /* Check entry value */
2490         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2491                                 dev->data->nb_rx_queues);
2492         if (ret < 0)
2493                 return ret;
2494
2495         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2496         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
2497 }
2498
2499 int
2500 rte_eth_dev_rss_reta_query(uint8_t port_id,
2501                            struct rte_eth_rss_reta_entry64 *reta_conf,
2502                            uint16_t reta_size)
2503 {
2504         struct rte_eth_dev *dev;
2505         int ret;
2506
2507         if (port_id >= nb_ports) {
2508                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2509                 return -ENODEV;
2510         }
2511
2512         /* Check mask bits */
2513         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2514         if (ret < 0)
2515                 return ret;
2516
2517         dev = &rte_eth_devices[port_id];
2518         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2519         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2520 }
2521
2522 int
2523 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
2524 {
2525         struct rte_eth_dev *dev;
2526         uint16_t rss_hash_protos;
2527
2528         if (!rte_eth_dev_is_valid_port(port_id)) {
2529                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2530                 return -ENODEV;
2531         }
2532
2533         rss_hash_protos = rss_conf->rss_hf;
2534         if ((rss_hash_protos != 0) &&
2535             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
2536                 PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
2537                                 rss_hash_protos);
2538                 return -EINVAL;
2539         }
2540         dev = &rte_eth_devices[port_id];
2541         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2542         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2543 }
2544
2545 int
2546 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
2547                               struct rte_eth_rss_conf *rss_conf)
2548 {
2549         struct rte_eth_dev *dev;
2550
2551         if (!rte_eth_dev_is_valid_port(port_id)) {
2552                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2553                 return -ENODEV;
2554         }
2555
2556         dev = &rte_eth_devices[port_id];
2557         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2558         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2559 }
2560
2561 int
2562 rte_eth_dev_udp_tunnel_add(uint8_t port_id,
2563                            struct rte_eth_udp_tunnel *udp_tunnel)
2564 {
2565         struct rte_eth_dev *dev;
2566
2567         if (!rte_eth_dev_is_valid_port(port_id)) {
2568                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2569                 return -ENODEV;
2570         }
2571
2572         if (udp_tunnel == NULL) {
2573                 PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2574                 return -EINVAL;
2575         }
2576
2577         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2578                 PMD_DEBUG_TRACE("Invalid tunnel type\n");
2579                 return -EINVAL;
2580         }
2581
2582         dev = &rte_eth_devices[port_id];
2583         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_add, -ENOTSUP);
2584         return (*dev->dev_ops->udp_tunnel_add)(dev, udp_tunnel);
2585 }
2586
2587 int
2588 rte_eth_dev_udp_tunnel_delete(uint8_t port_id,
2589                               struct rte_eth_udp_tunnel *udp_tunnel)
2590 {
2591         struct rte_eth_dev *dev;
2592
2593         if (!rte_eth_dev_is_valid_port(port_id)) {
2594                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2595                 return -ENODEV;
2596         }
2597
2598         dev = &rte_eth_devices[port_id];
2599
2600         if (udp_tunnel == NULL) {
2601                 PMD_DEBUG_TRACE("Invalid udp_tunnel parametr\n");
2602                 return -EINVAL;
2603         }
2604
2605         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2606                 PMD_DEBUG_TRACE("Invalid tunnel type\n");
2607                 return -EINVAL;
2608         }
2609
2610         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_del, -ENOTSUP);
2611         return (*dev->dev_ops->udp_tunnel_del)(dev, udp_tunnel);
2612 }
2613
2614 int
2615 rte_eth_led_on(uint8_t port_id)
2616 {
2617         struct rte_eth_dev *dev;
2618
2619         if (!rte_eth_dev_is_valid_port(port_id)) {
2620                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2621                 return -ENODEV;
2622         }
2623
2624         dev = &rte_eth_devices[port_id];
2625         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2626         return (*dev->dev_ops->dev_led_on)(dev);
2627 }
2628
2629 int
2630 rte_eth_led_off(uint8_t port_id)
2631 {
2632         struct rte_eth_dev *dev;
2633
2634         if (!rte_eth_dev_is_valid_port(port_id)) {
2635                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2636                 return -ENODEV;
2637         }
2638
2639         dev = &rte_eth_devices[port_id];
2640         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2641         return (*dev->dev_ops->dev_led_off)(dev);
2642 }
2643
2644 /*
2645  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2646  * an empty spot.
2647  */
2648 static int
2649 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2650 {
2651         struct rte_eth_dev_info dev_info;
2652         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2653         unsigned i;
2654
2655         rte_eth_dev_info_get(port_id, &dev_info);
2656
2657         for (i = 0; i < dev_info.max_mac_addrs; i++)
2658                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2659                         return i;
2660
2661         return -1;
2662 }
2663
2664 static const struct ether_addr null_mac_addr;
2665
2666 int
2667 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2668                         uint32_t pool)
2669 {
2670         struct rte_eth_dev *dev;
2671         int index;
2672         uint64_t pool_mask;
2673
2674         if (!rte_eth_dev_is_valid_port(port_id)) {
2675                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2676                 return -ENODEV;
2677         }
2678
2679         dev = &rte_eth_devices[port_id];
2680         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2681
2682         if (is_zero_ether_addr(addr)) {
2683                 PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2684                         port_id);
2685                 return -EINVAL;
2686         }
2687         if (pool >= ETH_64_POOLS) {
2688                 PMD_DEBUG_TRACE("pool id must be 0-%d\n",ETH_64_POOLS - 1);
2689                 return -EINVAL;
2690         }
2691
2692         index = get_mac_addr_index(port_id, addr);
2693         if (index < 0) {
2694                 index = get_mac_addr_index(port_id, &null_mac_addr);
2695                 if (index < 0) {
2696                         PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2697                                 port_id);
2698                         return -ENOSPC;
2699                 }
2700         } else {
2701                 pool_mask = dev->data->mac_pool_sel[index];
2702
2703                 /* Check if both MAC address and pool is alread there, and do nothing */
2704                 if (pool_mask & (1ULL << pool))
2705                         return 0;
2706         }
2707
2708         /* Update NIC */
2709         (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2710
2711         /* Update address in NIC data structure */
2712         ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2713
2714         /* Update pool bitmap in NIC data structure */
2715         dev->data->mac_pool_sel[index] |= (1ULL << pool);
2716
2717         return 0;
2718 }
2719
2720 int
2721 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2722 {
2723         struct rte_eth_dev *dev;
2724         int index;
2725
2726         if (!rte_eth_dev_is_valid_port(port_id)) {
2727                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2728                 return -ENODEV;
2729         }
2730
2731         dev = &rte_eth_devices[port_id];
2732         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2733
2734         index = get_mac_addr_index(port_id, addr);
2735         if (index == 0) {
2736                 PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2737                 return -EADDRINUSE;
2738         } else if (index < 0)
2739                 return 0;  /* Do nothing if address wasn't found */
2740
2741         /* Update NIC */
2742         (*dev->dev_ops->mac_addr_remove)(dev, index);
2743
2744         /* Update address in NIC data structure */
2745         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2746
2747         /* reset pool bitmap */
2748         dev->data->mac_pool_sel[index] = 0;
2749
2750         return 0;
2751 }
2752
2753 int
2754 rte_eth_dev_set_vf_rxmode(uint8_t port_id,  uint16_t vf,
2755                                 uint16_t rx_mode, uint8_t on)
2756 {
2757         uint16_t num_vfs;
2758         struct rte_eth_dev *dev;
2759         struct rte_eth_dev_info dev_info;
2760
2761         if (!rte_eth_dev_is_valid_port(port_id)) {
2762                 PMD_DEBUG_TRACE("set VF RX mode:Invalid port_id=%d\n",
2763                                 port_id);
2764                 return -ENODEV;
2765         }
2766
2767         dev = &rte_eth_devices[port_id];
2768         rte_eth_dev_info_get(port_id, &dev_info);
2769
2770         num_vfs = dev_info.max_vfs;
2771         if (vf > num_vfs)
2772         {
2773                 PMD_DEBUG_TRACE("set VF RX mode:invalid VF id %d\n", vf);
2774                 return -EINVAL;
2775         }
2776         if (rx_mode == 0)
2777         {
2778                 PMD_DEBUG_TRACE("set VF RX mode:mode mask ca not be zero\n");
2779                 return -EINVAL;
2780         }
2781         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx_mode, -ENOTSUP);
2782         return (*dev->dev_ops->set_vf_rx_mode)(dev, vf, rx_mode, on);
2783 }
2784
2785 /*
2786  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2787  * an empty spot.
2788  */
2789 static int
2790 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2791 {
2792         struct rte_eth_dev_info dev_info;
2793         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2794         unsigned i;
2795
2796         rte_eth_dev_info_get(port_id, &dev_info);
2797         if (!dev->data->hash_mac_addrs)
2798                 return -1;
2799
2800         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2801                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2802                         ETHER_ADDR_LEN) == 0)
2803                         return i;
2804
2805         return -1;
2806 }
2807
2808 int
2809 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2810                                 uint8_t on)
2811 {
2812         int index;
2813         int ret;
2814         struct rte_eth_dev *dev;
2815
2816         if (!rte_eth_dev_is_valid_port(port_id)) {
2817                 PMD_DEBUG_TRACE("unicast hash setting:Invalid port_id=%d\n",
2818                         port_id);
2819                 return -ENODEV;
2820         }
2821
2822         dev = &rte_eth_devices[port_id];
2823         if (is_zero_ether_addr(addr)) {
2824                 PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2825                         port_id);
2826                 return -EINVAL;
2827         }
2828
2829         index = get_hash_mac_addr_index(port_id, addr);
2830         /* Check if it's already there, and do nothing */
2831         if ((index >= 0) && (on))
2832                 return 0;
2833
2834         if (index < 0) {
2835                 if (!on) {
2836                         PMD_DEBUG_TRACE("port %d: the MAC address was not"
2837                                 "set in UTA\n", port_id);
2838                         return -EINVAL;
2839                 }
2840
2841                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2842                 if (index < 0) {
2843                         PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2844                                         port_id);
2845                         return -ENOSPC;
2846                 }
2847         }
2848
2849         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2850         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2851         if (ret == 0) {
2852                 /* Update address in NIC data structure */
2853                 if (on)
2854                         ether_addr_copy(addr,
2855                                         &dev->data->hash_mac_addrs[index]);
2856                 else
2857                         ether_addr_copy(&null_mac_addr,
2858                                         &dev->data->hash_mac_addrs[index]);
2859         }
2860
2861         return ret;
2862 }
2863
2864 int
2865 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2866 {
2867         struct rte_eth_dev *dev;
2868
2869         if (!rte_eth_dev_is_valid_port(port_id)) {
2870                 PMD_DEBUG_TRACE("unicast hash setting:Invalid port_id=%d\n",
2871                         port_id);
2872                 return -ENODEV;
2873         }
2874
2875         dev = &rte_eth_devices[port_id];
2876
2877         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2878         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2879 }
2880
2881 int
2882 rte_eth_dev_set_vf_rx(uint8_t port_id,uint16_t vf, uint8_t on)
2883 {
2884         uint16_t num_vfs;
2885         struct rte_eth_dev *dev;
2886         struct rte_eth_dev_info dev_info;
2887
2888         if (!rte_eth_dev_is_valid_port(port_id)) {
2889                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2890                 return -ENODEV;
2891         }
2892
2893         dev = &rte_eth_devices[port_id];
2894         rte_eth_dev_info_get(port_id, &dev_info);
2895
2896         num_vfs = dev_info.max_vfs;
2897         if (vf > num_vfs)
2898         {
2899                 PMD_DEBUG_TRACE("port %d: invalid vf id\n", port_id);
2900                 return -EINVAL;
2901         }
2902
2903         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx, -ENOTSUP);
2904         return (*dev->dev_ops->set_vf_rx)(dev, vf,on);
2905 }
2906
2907 int
2908 rte_eth_dev_set_vf_tx(uint8_t port_id,uint16_t vf, uint8_t on)
2909 {
2910         uint16_t num_vfs;
2911         struct rte_eth_dev *dev;
2912         struct rte_eth_dev_info dev_info;
2913
2914         if (!rte_eth_dev_is_valid_port(port_id)) {
2915                 PMD_DEBUG_TRACE("set pool tx:Invalid port_id=%d\n", port_id);
2916                 return -ENODEV;
2917         }
2918
2919         dev = &rte_eth_devices[port_id];
2920         rte_eth_dev_info_get(port_id, &dev_info);
2921
2922         num_vfs = dev_info.max_vfs;
2923         if (vf > num_vfs)
2924         {
2925                 PMD_DEBUG_TRACE("set pool tx:invalid pool id=%d\n", vf);
2926                 return -EINVAL;
2927         }
2928
2929         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_tx, -ENOTSUP);
2930         return (*dev->dev_ops->set_vf_tx)(dev, vf,on);
2931 }
2932
2933 int
2934 rte_eth_dev_set_vf_vlan_filter(uint8_t port_id, uint16_t vlan_id,
2935                                  uint64_t vf_mask,uint8_t vlan_on)
2936 {
2937         struct rte_eth_dev *dev;
2938
2939         if (!rte_eth_dev_is_valid_port(port_id)) {
2940                 PMD_DEBUG_TRACE("VF VLAN filter:invalid port id=%d\n",
2941                                 port_id);
2942                 return -ENODEV;
2943         }
2944         dev = &rte_eth_devices[port_id];
2945
2946         if(vlan_id > ETHER_MAX_VLAN_ID)
2947         {
2948                 PMD_DEBUG_TRACE("VF VLAN filter:invalid VLAN id=%d\n",
2949                         vlan_id);
2950                 return -EINVAL;
2951         }
2952         if (vf_mask == 0)
2953         {
2954                 PMD_DEBUG_TRACE("VF VLAN filter:pool_mask can not be 0\n");
2955                 return -EINVAL;
2956         }
2957
2958         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_vlan_filter, -ENOTSUP);
2959         return (*dev->dev_ops->set_vf_vlan_filter)(dev, vlan_id,
2960                                                 vf_mask,vlan_on);
2961 }
2962
2963 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2964                                         uint16_t tx_rate)
2965 {
2966         struct rte_eth_dev *dev;
2967         struct rte_eth_dev_info dev_info;
2968         struct rte_eth_link link;
2969
2970         if (!rte_eth_dev_is_valid_port(port_id)) {
2971                 PMD_DEBUG_TRACE("set queue rate limit:invalid port id=%d\n",
2972                                 port_id);
2973                 return -ENODEV;
2974         }
2975
2976         dev = &rte_eth_devices[port_id];
2977         rte_eth_dev_info_get(port_id, &dev_info);
2978         link = dev->data->dev_link;
2979
2980         if (queue_idx > dev_info.max_tx_queues) {
2981                 PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2982                                 "invalid queue id=%d\n", port_id, queue_idx);
2983                 return -EINVAL;
2984         }
2985
2986         if (tx_rate > link.link_speed) {
2987                 PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2988                                 "bigger than link speed= %d\n",
2989                         tx_rate, link.link_speed);
2990                 return -EINVAL;
2991         }
2992
2993         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2994         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2995 }
2996
2997 int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf, uint16_t tx_rate,
2998                                 uint64_t q_msk)
2999 {
3000         struct rte_eth_dev *dev;
3001         struct rte_eth_dev_info dev_info;
3002         struct rte_eth_link link;
3003
3004         if (q_msk == 0)
3005                 return 0;
3006
3007         if (!rte_eth_dev_is_valid_port(port_id)) {
3008                 PMD_DEBUG_TRACE("set VF rate limit:invalid port id=%d\n",
3009                                 port_id);
3010                 return -ENODEV;
3011         }
3012
3013         dev = &rte_eth_devices[port_id];
3014         rte_eth_dev_info_get(port_id, &dev_info);
3015         link = dev->data->dev_link;
3016
3017         if (vf > dev_info.max_vfs) {
3018                 PMD_DEBUG_TRACE("set VF rate limit:port %d: "
3019                                 "invalid vf id=%d\n", port_id, vf);
3020                 return -EINVAL;
3021         }
3022
3023         if (tx_rate > link.link_speed) {
3024                 PMD_DEBUG_TRACE("set VF rate limit:invalid tx_rate=%d, "
3025                                 "bigger than link speed= %d\n",
3026                                 tx_rate, link.link_speed);
3027                 return -EINVAL;
3028         }
3029
3030         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rate_limit, -ENOTSUP);
3031         return (*dev->dev_ops->set_vf_rate_limit)(dev, vf, tx_rate, q_msk);
3032 }
3033
3034 int
3035 rte_eth_mirror_rule_set(uint8_t port_id,
3036                         struct rte_eth_vmdq_mirror_conf *mirror_conf,
3037                         uint8_t rule_id, uint8_t on)
3038 {
3039         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3040
3041         if (!rte_eth_dev_is_valid_port(port_id)) {
3042                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3043                 return -ENODEV;
3044         }
3045
3046         if (mirror_conf->rule_type_mask == 0) {
3047                 PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
3048                 return -EINVAL;
3049         }
3050
3051         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3052                 PMD_DEBUG_TRACE("Invalid dst pool, pool id must"
3053                         "be 0-%d\n",ETH_64_POOLS - 1);
3054                 return -EINVAL;
3055         }
3056
3057         if ((mirror_conf->rule_type_mask & ETH_VMDQ_POOL_MIRROR) &&
3058                 (mirror_conf->pool_mask == 0)) {
3059                 PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not"
3060                                 "be 0.\n");
3061                 return -EINVAL;
3062         }
3063
3064         if(rule_id >= ETH_VMDQ_NUM_MIRROR_RULE)
3065         {
3066                 PMD_DEBUG_TRACE("Invalid rule_id, rule_id must be 0-%d\n",
3067                         ETH_VMDQ_NUM_MIRROR_RULE - 1);
3068                 return -EINVAL;
3069         }
3070
3071         dev = &rte_eth_devices[port_id];
3072         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3073
3074         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
3075 }
3076
3077 int
3078 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
3079 {
3080         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3081
3082         if (!rte_eth_dev_is_valid_port(port_id)) {
3083                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3084                 return -ENODEV;
3085         }
3086
3087         if(rule_id >= ETH_VMDQ_NUM_MIRROR_RULE)
3088         {
3089                 PMD_DEBUG_TRACE("Invalid rule_id, rule_id must be 0-%d\n",
3090                         ETH_VMDQ_NUM_MIRROR_RULE-1);
3091                 return -EINVAL;
3092         }
3093
3094         dev = &rte_eth_devices[port_id];
3095         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3096
3097         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
3098 }
3099
3100 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
3101 uint16_t
3102 rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
3103                  struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
3104 {
3105         struct rte_eth_dev *dev;
3106
3107         if (!rte_eth_dev_is_valid_port(port_id)) {
3108                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3109                 return 0;
3110         }
3111
3112         dev = &rte_eth_devices[port_id];
3113         FUNC_PTR_OR_ERR_RET(*dev->rx_pkt_burst, 0);
3114         if (queue_id >= dev->data->nb_rx_queues) {
3115                 PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3116                 return 0;
3117         }
3118         return (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id],
3119                                                 rx_pkts, nb_pkts);
3120 }
3121
3122 uint16_t
3123 rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
3124                  struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
3125 {
3126         struct rte_eth_dev *dev;
3127
3128         if (!rte_eth_dev_is_valid_port(port_id)) {
3129                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3130                 return 0;
3131         }
3132
3133         dev = &rte_eth_devices[port_id];
3134
3135         FUNC_PTR_OR_ERR_RET(*dev->tx_pkt_burst, 0);
3136         if (queue_id >= dev->data->nb_tx_queues) {
3137                 PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3138                 return 0;
3139         }
3140         return (*dev->tx_pkt_burst)(dev->data->tx_queues[queue_id],
3141                                                 tx_pkts, nb_pkts);
3142 }
3143
3144 uint32_t
3145 rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id)
3146 {
3147         struct rte_eth_dev *dev;
3148
3149         if (!rte_eth_dev_is_valid_port(port_id)) {
3150                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3151                 return 0;
3152         }
3153
3154         dev = &rte_eth_devices[port_id];
3155         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_count, 0);
3156         return (*dev->dev_ops->rx_queue_count)(dev, queue_id);
3157 }
3158
3159 int
3160 rte_eth_rx_descriptor_done(uint8_t port_id, uint16_t queue_id, uint16_t offset)
3161 {
3162         struct rte_eth_dev *dev;
3163
3164         if (!rte_eth_dev_is_valid_port(port_id)) {
3165                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3166                 return -ENODEV;
3167         }
3168
3169         dev = &rte_eth_devices[port_id];
3170         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_descriptor_done, -ENOTSUP);
3171         return (*dev->dev_ops->rx_descriptor_done)( \
3172                 dev->data->rx_queues[queue_id], offset);
3173 }
3174 #endif
3175
3176 int
3177 rte_eth_dev_callback_register(uint8_t port_id,
3178                         enum rte_eth_event_type event,
3179                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3180 {
3181         struct rte_eth_dev *dev;
3182         struct rte_eth_dev_callback *user_cb;
3183
3184         if (!cb_fn)
3185                 return -EINVAL;
3186
3187         if (!rte_eth_dev_is_valid_port(port_id)) {
3188                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3189                 return -EINVAL;
3190         }
3191
3192         dev = &rte_eth_devices[port_id];
3193         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3194
3195         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3196                 if (user_cb->cb_fn == cb_fn &&
3197                         user_cb->cb_arg == cb_arg &&
3198                         user_cb->event == event) {
3199                         break;
3200                 }
3201         }
3202
3203         /* create a new callback. */
3204         if (user_cb == NULL && (user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3205                         sizeof(struct rte_eth_dev_callback), 0)) != NULL) {
3206                 user_cb->cb_fn = cb_fn;
3207                 user_cb->cb_arg = cb_arg;
3208                 user_cb->event = event;
3209                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
3210         }
3211
3212         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3213         return (user_cb == NULL) ? -ENOMEM : 0;
3214 }
3215
3216 int
3217 rte_eth_dev_callback_unregister(uint8_t port_id,
3218                         enum rte_eth_event_type event,
3219                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3220 {
3221         int ret;
3222         struct rte_eth_dev *dev;
3223         struct rte_eth_dev_callback *cb, *next;
3224
3225         if (!cb_fn)
3226                 return -EINVAL;
3227
3228         if (!rte_eth_dev_is_valid_port(port_id)) {
3229                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3230                 return -EINVAL;
3231         }
3232
3233         dev = &rte_eth_devices[port_id];
3234         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3235
3236         ret = 0;
3237         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
3238
3239                 next = TAILQ_NEXT(cb, next);
3240
3241                 if (cb->cb_fn != cb_fn || cb->event != event ||
3242                                 (cb->cb_arg != (void *)-1 &&
3243                                 cb->cb_arg != cb_arg))
3244                         continue;
3245
3246                 /*
3247                  * if this callback is not executing right now,
3248                  * then remove it.
3249                  */
3250                 if (cb->active == 0) {
3251                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3252                         rte_free(cb);
3253                 } else {
3254                         ret = -EAGAIN;
3255                 }
3256         }
3257
3258         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3259         return ret;
3260 }
3261
3262 void
3263 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3264         enum rte_eth_event_type event)
3265 {
3266         struct rte_eth_dev_callback *cb_lst;
3267         struct rte_eth_dev_callback dev_cb;
3268
3269         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3270         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3271                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3272                         continue;
3273                 dev_cb = *cb_lst;
3274                 cb_lst->active = 1;
3275                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3276                 dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3277                                                 dev_cb.cb_arg);
3278                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3279                 cb_lst->active = 0;
3280         }
3281         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3282 }
3283 #ifdef RTE_NIC_BYPASS
3284 int rte_eth_dev_bypass_init(uint8_t port_id)
3285 {
3286         struct rte_eth_dev *dev;
3287
3288         if (!rte_eth_dev_is_valid_port(port_id)) {
3289                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3290                 return -ENODEV;
3291         }
3292
3293         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3294                 PMD_DEBUG_TRACE("Invalid port device\n");
3295                 return -ENODEV;
3296         }
3297
3298         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_init, -ENOTSUP);
3299         (*dev->dev_ops->bypass_init)(dev);
3300         return 0;
3301 }
3302
3303 int
3304 rte_eth_dev_bypass_state_show(uint8_t port_id, uint32_t *state)
3305 {
3306         struct rte_eth_dev *dev;
3307
3308         if (!rte_eth_dev_is_valid_port(port_id)) {
3309                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3310                 return -ENODEV;
3311         }
3312
3313         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3314                 PMD_DEBUG_TRACE("Invalid port device\n");
3315                 return -ENODEV;
3316         }
3317         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
3318         (*dev->dev_ops->bypass_state_show)(dev, state);
3319         return 0;
3320 }
3321
3322 int
3323 rte_eth_dev_bypass_state_set(uint8_t port_id, uint32_t *new_state)
3324 {
3325         struct rte_eth_dev *dev;
3326
3327         if (!rte_eth_dev_is_valid_port(port_id)) {
3328                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3329                 return -ENODEV;
3330         }
3331
3332         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3333                 PMD_DEBUG_TRACE("Invalid port device\n");
3334                 return -ENODEV;
3335         }
3336
3337         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_set, -ENOTSUP);
3338         (*dev->dev_ops->bypass_state_set)(dev, new_state);
3339         return 0;
3340 }
3341
3342 int
3343 rte_eth_dev_bypass_event_show(uint8_t port_id, uint32_t event, uint32_t *state)
3344 {
3345         struct rte_eth_dev *dev;
3346
3347         if (!rte_eth_dev_is_valid_port(port_id)) {
3348                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3349                 return -ENODEV;
3350         }
3351
3352         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3353                 PMD_DEBUG_TRACE("Invalid port device\n");
3354                 return -ENODEV;
3355         }
3356
3357         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
3358         (*dev->dev_ops->bypass_event_show)(dev, event, state);
3359         return 0;
3360 }
3361
3362 int
3363 rte_eth_dev_bypass_event_store(uint8_t port_id, uint32_t event, uint32_t state)
3364 {
3365         struct rte_eth_dev *dev;
3366
3367         if (!rte_eth_dev_is_valid_port(port_id)) {
3368                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3369                 return -ENODEV;
3370         }
3371
3372         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3373                 PMD_DEBUG_TRACE("Invalid port device\n");
3374                 return -ENODEV;
3375         }
3376
3377         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_event_set, -ENOTSUP);
3378         (*dev->dev_ops->bypass_event_set)(dev, event, state);
3379         return 0;
3380 }
3381
3382 int
3383 rte_eth_dev_wd_timeout_store(uint8_t port_id, uint32_t timeout)
3384 {
3385         struct rte_eth_dev *dev;
3386
3387         if (!rte_eth_dev_is_valid_port(port_id)) {
3388                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3389                 return -ENODEV;
3390         }
3391
3392         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3393                 PMD_DEBUG_TRACE("Invalid port device\n");
3394                 return -ENODEV;
3395         }
3396
3397         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_set, -ENOTSUP);
3398         (*dev->dev_ops->bypass_wd_timeout_set)(dev, timeout);
3399         return 0;
3400 }
3401
3402 int
3403 rte_eth_dev_bypass_ver_show(uint8_t port_id, uint32_t *ver)
3404 {
3405         struct rte_eth_dev *dev;
3406
3407         if (!rte_eth_dev_is_valid_port(port_id)) {
3408                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3409                 return -ENODEV;
3410         }
3411
3412         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3413                 PMD_DEBUG_TRACE("Invalid port device\n");
3414                 return -ENODEV;
3415         }
3416
3417         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_ver_show, -ENOTSUP);
3418         (*dev->dev_ops->bypass_ver_show)(dev, ver);
3419         return 0;
3420 }
3421
3422 int
3423 rte_eth_dev_bypass_wd_timeout_show(uint8_t port_id, uint32_t *wd_timeout)
3424 {
3425         struct rte_eth_dev *dev;
3426
3427         if (!rte_eth_dev_is_valid_port(port_id)) {
3428                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3429                 return -ENODEV;
3430         }
3431
3432         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3433                 PMD_DEBUG_TRACE("Invalid port device\n");
3434                 return -ENODEV;
3435         }
3436
3437         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_show, -ENOTSUP);
3438         (*dev->dev_ops->bypass_wd_timeout_show)(dev, wd_timeout);
3439         return 0;
3440 }
3441
3442 int
3443 rte_eth_dev_bypass_wd_reset(uint8_t port_id)
3444 {
3445         struct rte_eth_dev *dev;
3446
3447         if (!rte_eth_dev_is_valid_port(port_id)) {
3448                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3449                 return -ENODEV;
3450         }
3451
3452         if ((dev= &rte_eth_devices[port_id]) == NULL) {
3453                 PMD_DEBUG_TRACE("Invalid port device\n");
3454                 return -ENODEV;
3455         }
3456
3457         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_reset, -ENOTSUP);
3458         (*dev->dev_ops->bypass_wd_reset)(dev);
3459         return 0;
3460 }
3461 #endif
3462
3463 int
3464 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
3465 {
3466         struct rte_eth_dev *dev;
3467
3468         if (!rte_eth_dev_is_valid_port(port_id)) {
3469                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3470                 return -ENODEV;
3471         }
3472
3473         dev = &rte_eth_devices[port_id];
3474         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3475         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3476                                 RTE_ETH_FILTER_NOP, NULL);
3477 }
3478
3479 int
3480 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
3481                        enum rte_filter_op filter_op, void *arg)
3482 {
3483         struct rte_eth_dev *dev;
3484
3485         if (!rte_eth_dev_is_valid_port(port_id)) {
3486                 PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3487                 return -ENODEV;
3488         }
3489
3490         dev = &rte_eth_devices[port_id];
3491         FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3492         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
3493 }
3494
3495 void *
3496 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
3497                 rte_rx_callback_fn fn, void *user_param)
3498 {
3499 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3500         rte_errno = ENOTSUP;
3501         return NULL;
3502 #endif
3503         /* check input parameters */
3504         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3505                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3506                 rte_errno = EINVAL;
3507                 return NULL;
3508         }
3509
3510         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3511
3512         if (cb == NULL) {
3513                 rte_errno = ENOMEM;
3514                 return NULL;
3515         }
3516
3517         cb->fn.rx = fn;
3518         cb->param = user_param;
3519         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3520         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3521         return cb;
3522 }
3523
3524 void *
3525 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
3526                 rte_tx_callback_fn fn, void *user_param)
3527 {
3528 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3529         rte_errno = ENOTSUP;
3530         return NULL;
3531 #endif
3532         /* check input parameters */
3533         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3534                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3535                 rte_errno = EINVAL;
3536                 return NULL;
3537         }
3538
3539         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3540
3541         if (cb == NULL) {
3542                 rte_errno = ENOMEM;
3543                 return NULL;
3544         }
3545
3546         cb->fn.tx = fn;
3547         cb->param = user_param;
3548         cb->next = rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3549         rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3550         return cb;
3551 }
3552
3553 int
3554 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
3555                 struct rte_eth_rxtx_callback *user_cb)
3556 {
3557 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3558         return -ENOTSUP;
3559 #endif
3560         /* Check input parameters. */
3561         if (!rte_eth_dev_is_valid_port(port_id) || user_cb == NULL ||
3562                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3563                 return -EINVAL;
3564         }
3565
3566         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3567         struct rte_eth_rxtx_callback *cb = dev->post_rx_burst_cbs[queue_id];
3568         struct rte_eth_rxtx_callback *prev_cb;
3569
3570         /* Reset head pointer and remove user cb if first in the list. */
3571         if (cb == user_cb) {
3572                 dev->post_rx_burst_cbs[queue_id] = user_cb->next;
3573                 return 0;
3574         }
3575
3576         /* Remove the user cb from the callback list. */
3577         do {
3578                 prev_cb = cb;
3579                 cb = cb->next;
3580
3581                 if (cb == user_cb) {
3582                         prev_cb->next = user_cb->next;
3583                         return 0;
3584                 }
3585
3586         } while (cb != NULL);
3587
3588         /* Callback wasn't found. */
3589         return -EINVAL;
3590 }
3591
3592 int
3593 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3594                 struct rte_eth_rxtx_callback *user_cb)
3595 {
3596 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3597         return -ENOTSUP;
3598 #endif
3599         /* Check input parameters. */
3600         if (!rte_eth_dev_is_valid_port(port_id) || user_cb == NULL ||
3601                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3602                 return -EINVAL;
3603         }
3604
3605         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3606         struct rte_eth_rxtx_callback *cb = dev->pre_tx_burst_cbs[queue_id];
3607         struct rte_eth_rxtx_callback *prev_cb;
3608
3609         /* Reset head pointer and remove user cb if first in the list. */
3610         if (cb == user_cb) {
3611                 dev->pre_tx_burst_cbs[queue_id] = user_cb->next;
3612                 return 0;
3613         }
3614
3615         /* Remove the user cb from the callback list. */
3616         do {
3617                 prev_cb = cb;
3618                 cb = cb->next;
3619
3620                 if (cb == user_cb) {
3621                         prev_cb->next = user_cb->next;
3622                         return 0;
3623                 }
3624
3625         } while (cb != NULL);
3626
3627         /* Callback wasn't found. */
3628         return -EINVAL;
3629 }