lib/librte_ether/rte_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  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 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  73 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  74 static struct rte_eth_dev_data *rte_eth_dev_data;
  75 static uint8_t nb_ports;
  76
  77 /* spinlock for eth device callbacks */
  78 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  79
  80 /* store statistics names and its offset in stats structure  */
  81 struct rte_eth_xstats_name_off {
  82         char name[RTE_ETH_XSTATS_NAME_SIZE];
  83         unsigned offset;
  84 };
  85
  86 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  87         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  88         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  89         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  90         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  91         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  92         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  93         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  94                 rx_nombuf)},
  95 };
  96
  97 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  98
  99 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
 100         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
 101         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
 102         {"errors", offsetof(struct rte_eth_stats, q_errors)},
 103 };
 104
 105 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 106                 sizeof(rte_rxq_stats_strings[0]))
 107
 108 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 109         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 110         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 111 };
 112 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 113                 sizeof(rte_txq_stats_strings[0]))
 114
 115
 116 /**
 117  * The user application callback description.
 118  *
 119  * It contains callback address to be registered by user application,
 120  * the pointer to the parameters for callback, and the event type.
 121  */
 122 struct rte_eth_dev_callback {
 123         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 124         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 125         void *cb_arg;                           /**< Parameter for callback */
 126         enum rte_eth_event_type event;          /**< Interrupt event type */
 127         uint32_t active;                        /**< Callback is executing */
 128 };
 129
 130 enum {
 131         STAT_QMAP_TX = 0,
 132         STAT_QMAP_RX
 133 };
 134
 135 enum {
 136         DEV_DETACHED = 0,
 137         DEV_ATTACHED
 138 };
 139
 140 static void
 141 rte_eth_dev_data_alloc(void)
 142 {
 143         const unsigned flags = 0;
 144         const struct rte_memzone *mz;
 145
 146         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 147                 mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 148                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data),
 149                                 rte_socket_id(), flags);
 150         } else
 151                 mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 152         if (mz == NULL)
 153                 rte_panic("Cannot allocate memzone for ethernet port data\n");
 154
 155         rte_eth_dev_data = mz->addr;
 156         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 157                 memset(rte_eth_dev_data, 0,
 158                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data));
 159 }
 160
 161 struct rte_eth_dev *
 162 rte_eth_dev_allocated(const char *name)
 163 {
 164         unsigned i;
 165
 166         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 167                 if ((rte_eth_devices[i].attached == DEV_ATTACHED) &&
 168                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 169                         return &rte_eth_devices[i];
 170         }
 171         return NULL;
 172 }
 173
 174 static uint8_t
 175 rte_eth_dev_find_free_port(void)
 176 {
 177         unsigned i;
 178
 179         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 180                 if (rte_eth_devices[i].attached == DEV_DETACHED)
 181                         return i;
 182         }
 183         return RTE_MAX_ETHPORTS;
 184 }
 185
 186 struct rte_eth_dev *
 187 rte_eth_dev_allocate(const char *name, enum rte_eth_dev_type type)
 188 {
 189         uint8_t port_id;
 190         struct rte_eth_dev *eth_dev;
 191
 192         port_id = rte_eth_dev_find_free_port();
 193         if (port_id == RTE_MAX_ETHPORTS) {
 194                 RTE_PMD_DEBUG_TRACE("Reached maximum number of Ethernet ports\n");
 195                 return NULL;
 196         }
 197
 198         if (rte_eth_dev_data == NULL)
 199                 rte_eth_dev_data_alloc();
 200
 201         if (rte_eth_dev_allocated(name) != NULL) {
 202                 RTE_PMD_DEBUG_TRACE("Ethernet Device with name %s already allocated!\n",
 203                                 name);
 204                 return NULL;
 205         }
 206
 207         eth_dev = &rte_eth_devices[port_id];
 208         eth_dev->data = &rte_eth_dev_data[port_id];
 209         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 210         eth_dev->data->port_id = port_id;
 211         eth_dev->attached = DEV_ATTACHED;
 212         eth_dev->dev_type = type;
 213         nb_ports++;
 214         return eth_dev;
 215 }
 216
 217 static int
 218 rte_eth_dev_create_unique_device_name(char *name, size_t size,
 219                 struct rte_pci_device *pci_dev)
 220 {
 221         int ret;
 222
 223         ret = snprintf(name, size, "%d:%d.%d",
 224                         pci_dev->addr.bus, pci_dev->addr.devid,
 225                         pci_dev->addr.function);
 226         if (ret < 0)
 227                 return ret;
 228         return 0;
 229 }
 230
 231 int
 232 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 233 {
 234         if (eth_dev == NULL)
 235                 return -EINVAL;
 236
 237         eth_dev->attached = DEV_DETACHED;
 238         nb_ports--;
 239         return 0;
 240 }
 241
 242 static int
 243 rte_eth_dev_init(struct rte_pci_driver *pci_drv,
 244                  struct rte_pci_device *pci_dev)
 245 {
 246         struct eth_driver    *eth_drv;
 247         struct rte_eth_dev *eth_dev;
 248         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 249
 250         int diag;
 251
 252         eth_drv = (struct eth_driver *)pci_drv;
 253
 254         /* Create unique Ethernet device name using PCI address */
 255         rte_eth_dev_create_unique_device_name(ethdev_name,
 256                         sizeof(ethdev_name), pci_dev);
 257
 258         eth_dev = rte_eth_dev_allocate(ethdev_name, RTE_ETH_DEV_PCI);
 259         if (eth_dev == NULL)
 260                 return -ENOMEM;
 261
 262         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 263                 eth_dev->data->dev_private = rte_zmalloc("ethdev private structure",
 264                                   eth_drv->dev_private_size,
 265                                   RTE_CACHE_LINE_SIZE);
 266                 if (eth_dev->data->dev_private == NULL)
 267                         rte_panic("Cannot allocate memzone for private port data\n");
 268         }
 269         eth_dev->pci_dev = pci_dev;
 270         eth_dev->driver = eth_drv;
 271         eth_dev->data->rx_mbuf_alloc_failed = 0;
 272
 273         /* init user callbacks */
 274         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 275
 276         /*
 277          * Set the default MTU.
 278          */
 279         eth_dev->data->mtu = ETHER_MTU;
 280
 281         /* Invoke PMD device initialization function */
 282         diag = (*eth_drv->eth_dev_init)(eth_dev);
 283         if (diag == 0)
 284                 return 0;
 285
 286         RTE_PMD_DEBUG_TRACE("driver %s: eth_dev_init(vendor_id=0x%u device_id=0x%x) failed\n",
 287                         pci_drv->name,
 288                         (unsigned) pci_dev->id.vendor_id,
 289                         (unsigned) pci_dev->id.device_id);
 290         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 291                 rte_free(eth_dev->data->dev_private);
 292         rte_eth_dev_release_port(eth_dev);
 293         return diag;
 294 }
 295
 296 static int
 297 rte_eth_dev_uninit(struct rte_pci_device *pci_dev)
 298 {
 299         const struct eth_driver *eth_drv;
 300         struct rte_eth_dev *eth_dev;
 301         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 302         int ret;
 303
 304         if (pci_dev == NULL)
 305                 return -EINVAL;
 306
 307         /* Create unique Ethernet device name using PCI address */
 308         rte_eth_dev_create_unique_device_name(ethdev_name,
 309                         sizeof(ethdev_name), pci_dev);
 310
 311         eth_dev = rte_eth_dev_allocated(ethdev_name);
 312         if (eth_dev == NULL)
 313                 return -ENODEV;
 314
 315         eth_drv = (const struct eth_driver *)pci_dev->driver;
 316
 317         /* Invoke PMD device uninit function */
 318         if (*eth_drv->eth_dev_uninit) {
 319                 ret = (*eth_drv->eth_dev_uninit)(eth_dev);
 320                 if (ret)
 321                         return ret;
 322         }
 323
 324         /* free ether device */
 325         rte_eth_dev_release_port(eth_dev);
 326
 327         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 328                 rte_free(eth_dev->data->dev_private);
 329
 330         eth_dev->pci_dev = NULL;
 331         eth_dev->driver = NULL;
 332         eth_dev->data = NULL;
 333
 334         return 0;
 335 }
 336
 337 /**
 338  * Register an Ethernet [Poll Mode] driver.
 339  *
 340  * Function invoked by the initialization function of an Ethernet driver
 341  * to simultaneously register itself as a PCI driver and as an Ethernet
 342  * Poll Mode Driver.
 343  * Invokes the rte_eal_pci_register() function to register the *pci_drv*
 344  * structure embedded in the *eth_drv* structure, after having stored the
 345  * address of the rte_eth_dev_init() function in the *devinit* field of
 346  * the *pci_drv* structure.
 347  * During the PCI probing phase, the rte_eth_dev_init() function is
 348  * invoked for each PCI [Ethernet device] matching the embedded PCI
 349  * identifiers provided by the driver.
 350  */
 351 void
 352 rte_eth_driver_register(struct eth_driver *eth_drv)
 353 {
 354         eth_drv->pci_drv.devinit = rte_eth_dev_init;
 355         eth_drv->pci_drv.devuninit = rte_eth_dev_uninit;
 356         rte_eal_pci_register(&eth_drv->pci_drv);
 357 }
 358
 359 int
 360 rte_eth_dev_is_valid_port(uint8_t port_id)
 361 {
 362         if (port_id >= RTE_MAX_ETHPORTS ||
 363             rte_eth_devices[port_id].attached != DEV_ATTACHED)
 364                 return 0;
 365         else
 366                 return 1;
 367 }
 368
 369 int
 370 rte_eth_dev_socket_id(uint8_t port_id)
 371 {
 372         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 373         return rte_eth_devices[port_id].data->numa_node;
 374 }
 375
 376 uint8_t
 377 rte_eth_dev_count(void)
 378 {
 379         return nb_ports;
 380 }
 381
 382 static enum rte_eth_dev_type
 383 rte_eth_dev_get_device_type(uint8_t port_id)
 384 {
 385         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, RTE_ETH_DEV_UNKNOWN);
 386         return rte_eth_devices[port_id].dev_type;
 387 }
 388
 389 static int
 390 rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr)
 391 {
 392         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 393
 394         if (addr == NULL) {
 395                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 396                 return -EINVAL;
 397         }
 398
 399         *addr = rte_eth_devices[port_id].pci_dev->addr;
 400         return 0;
 401 }
 402
 403 static int
 404 rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
 405 {
 406         char *tmp;
 407
 408         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 409
 410         if (name == NULL) {
 411                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 412                 return -EINVAL;
 413         }
 414
 415         /* shouldn't check 'rte_eth_devices[i].data',
 416          * because it might be overwritten by VDEV PMD */
 417         tmp = rte_eth_dev_data[port_id].name;
 418         strcpy(name, tmp);
 419         return 0;
 420 }
 421
 422 static int
 423 rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id)
 424 {
 425         int i;
 426
 427         if (name == NULL) {
 428                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 429                 return -EINVAL;
 430         }
 431
 432         *port_id = RTE_MAX_ETHPORTS;
 433
 434         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 435
 436                 if (!strncmp(name,
 437                         rte_eth_dev_data[i].name, strlen(name))) {
 438
 439                         *port_id = i;
 440
 441                         return 0;
 442                 }
 443         }
 444         return -ENODEV;
 445 }
 446
 447 static int
 448 rte_eth_dev_get_port_by_addr(const struct rte_pci_addr *addr, uint8_t *port_id)
 449 {
 450         int i;
 451         struct rte_pci_device *pci_dev = NULL;
 452
 453         if (addr == NULL) {
 454                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 455                 return -EINVAL;
 456         }
 457
 458         *port_id = RTE_MAX_ETHPORTS;
 459
 460         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 461
 462                 pci_dev = rte_eth_devices[i].pci_dev;
 463
 464                 if (pci_dev &&
 465                         !rte_eal_compare_pci_addr(&pci_dev->addr, addr)) {
 466
 467                         *port_id = i;
 468
 469                         return 0;
 470                 }
 471         }
 472         return -ENODEV;
 473 }
 474
 475 static int
 476 rte_eth_dev_is_detachable(uint8_t port_id)
 477 {
 478         uint32_t dev_flags;
 479
 480         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 481
 482         switch (rte_eth_devices[port_id].data->kdrv) {
 483         case RTE_KDRV_IGB_UIO:
 484         case RTE_KDRV_UIO_GENERIC:
 485         case RTE_KDRV_NIC_UIO:
 486         case RTE_KDRV_NONE:
 487                 break;
 488         case RTE_KDRV_VFIO:
 489         default:
 490                 return -ENOTSUP;
 491         }
 492         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 493         if ((dev_flags & RTE_ETH_DEV_DETACHABLE) &&
 494                 (!(dev_flags & RTE_ETH_DEV_BONDED_SLAVE)))
 495                 return 0;
 496         else
 497                 return 1;
 498 }
 499
 500 /* attach the new physical device, then store port_id of the device */
 501 static int
 502 rte_eth_dev_attach_pdev(struct rte_pci_addr *addr, uint8_t *port_id)
 503 {
 504         /* re-construct pci_device_list */
 505         if (rte_eal_pci_scan())
 506                 goto err;
 507         /* Invoke probe func of the driver can handle the new device. */
 508         if (rte_eal_pci_probe_one(addr))
 509                 goto err;
 510
 511         if (rte_eth_dev_get_port_by_addr(addr, port_id))
 512                 goto err;
 513
 514         return 0;
 515 err:
 516         return -1;
 517 }
 518
 519 /* detach the new physical device, then store pci_addr of the device */
 520 static int
 521 rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr)
 522 {
 523         struct rte_pci_addr freed_addr;
 524         struct rte_pci_addr vp;
 525
 526         /* get pci address by port id */
 527         if (rte_eth_dev_get_addr_by_port(port_id, &freed_addr))
 528                 goto err;
 529
 530         /* Zeroed pci addr means the port comes from virtual device */
 531         vp.domain = vp.bus = vp.devid = vp.function = 0;
 532         if (rte_eal_compare_pci_addr(&vp, &freed_addr) == 0)
 533                 goto err;
 534
 535         /* invoke devuninit func of the pci driver,
 536          * also remove the device from pci_device_list */
 537         if (rte_eal_pci_detach(&freed_addr))
 538                 goto err;
 539
 540         *addr = freed_addr;
 541         return 0;
 542 err:
 543         return -1;
 544 }
 545
 546 /* attach the new virtual device, then store port_id of the device */
 547 static int
 548 rte_eth_dev_attach_vdev(const char *vdevargs, uint8_t *port_id)
 549 {
 550         char *name = NULL, *args = NULL;
 551         int ret = -1;
 552
 553         /* parse vdevargs, then retrieve device name and args */
 554         if (rte_eal_parse_devargs_str(vdevargs, &name, &args))
 555                 goto end;
 556
 557         /* walk around dev_driver_list to find the driver of the device,
 558          * then invoke probe function of the driver.
 559          * rte_eal_vdev_init() updates port_id allocated after
 560          * initialization.
 561          */
 562         if (rte_eal_vdev_init(name, args))
 563                 goto end;
 564
 565         if (rte_eth_dev_get_port_by_name(name, port_id))
 566                 goto end;
 567
 568         ret = 0;
 569 end:
 570         free(name);
 571         free(args);
 572
 573         return ret;
 574 }
 575
 576 /* detach the new virtual device, then store the name of the device */
 577 static int
 578 rte_eth_dev_detach_vdev(uint8_t port_id, char *vdevname)
 579 {
 580         char name[RTE_ETH_NAME_MAX_LEN];
 581
 582         /* get device name by port id */
 583         if (rte_eth_dev_get_name_by_port(port_id, name))
 584                 goto err;
 585         /* walk around dev_driver_list to find the driver of the device,
 586          * then invoke uninit function of the driver */
 587         if (rte_eal_vdev_uninit(name))
 588                 goto err;
 589
 590         strncpy(vdevname, name, sizeof(name));
 591         return 0;
 592 err:
 593         return -1;
 594 }
 595
 596 /* attach the new device, then store port_id of the device */
 597 int
 598 rte_eth_dev_attach(const char *devargs, uint8_t *port_id)
 599 {
 600         struct rte_pci_addr addr;
 601         int ret = -1;
 602
 603         if ((devargs == NULL) || (port_id == NULL)) {
 604                 ret = -EINVAL;
 605                 goto err;
 606         }
 607
 608         if (eal_parse_pci_DomBDF(devargs, &addr) == 0) {
 609                 ret = rte_eth_dev_attach_pdev(&addr, port_id);
 610                 if (ret < 0)
 611                         goto err;
 612         } else {
 613                 ret = rte_eth_dev_attach_vdev(devargs, port_id);
 614                 if (ret < 0)
 615                         goto err;
 616         }
 617
 618         return 0;
 619 err:
 620         RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n");
 621         return ret;
 622 }
 623
 624 /* detach the device, then store the name of the device */
 625 int
 626 rte_eth_dev_detach(uint8_t port_id, char *name)
 627 {
 628         struct rte_pci_addr addr;
 629         int ret = -1;
 630
 631         if (name == NULL) {
 632                 ret = -EINVAL;
 633                 goto err;
 634         }
 635
 636         /* check whether the driver supports detach feature, or not */
 637         if (rte_eth_dev_is_detachable(port_id))
 638                 goto err;
 639
 640         if (rte_eth_dev_get_device_type(port_id) == RTE_ETH_DEV_PCI) {
 641                 ret = rte_eth_dev_get_addr_by_port(port_id, &addr);
 642                 if (ret < 0)
 643                         goto err;
 644
 645                 ret = rte_eth_dev_detach_pdev(port_id, &addr);
 646                 if (ret < 0)
 647                         goto err;
 648
 649                 snprintf(name, RTE_ETH_NAME_MAX_LEN,
 650                         "%04x:%02x:%02x.%d",
 651                         addr.domain, addr.bus,
 652                         addr.devid, addr.function);
 653         } else {
 654                 ret = rte_eth_dev_detach_vdev(port_id, name);
 655                 if (ret < 0)
 656                         goto err;
 657         }
 658
 659         return 0;
 660
 661 err:
 662         RTE_LOG(ERR, EAL, "Driver, cannot detach the device\n");
 663         return ret;
 664 }
 665
 666 static int
 667 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 668 {
 669         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 670         void **rxq;
 671         unsigned i;
 672
 673         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 674                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 675                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 676                                 RTE_CACHE_LINE_SIZE);
 677                 if (dev->data->rx_queues == NULL) {
 678                         dev->data->nb_rx_queues = 0;
 679                         return -(ENOMEM);
 680                 }
 681         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 682                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 683
 684                 rxq = dev->data->rx_queues;
 685
 686                 for (i = nb_queues; i < old_nb_queues; i++)
 687                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 688                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 689                                 RTE_CACHE_LINE_SIZE);
 690                 if (rxq == NULL)
 691                         return -(ENOMEM);
 692                 if (nb_queues > old_nb_queues) {
 693                         uint16_t new_qs = nb_queues - old_nb_queues;
 694
 695                         memset(rxq + old_nb_queues, 0,
 696                                 sizeof(rxq[0]) * new_qs);
 697                 }
 698
 699                 dev->data->rx_queues = rxq;
 700
 701         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 702                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 703
 704                 rxq = dev->data->rx_queues;
 705
 706                 for (i = nb_queues; i < old_nb_queues; i++)
 707                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 708         }
 709         dev->data->nb_rx_queues = nb_queues;
 710         return 0;
 711 }
 712
 713 int
 714 rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id)
 715 {
 716         struct rte_eth_dev *dev;
 717
 718         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 719
 720         dev = &rte_eth_devices[port_id];
 721         if (rx_queue_id >= dev->data->nb_rx_queues) {
 722                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 723                 return -EINVAL;
 724         }
 725
 726         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 727
 728         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 729                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 730                         " already started\n",
 731                         rx_queue_id, port_id);
 732                 return 0;
 733         }
 734
 735         return dev->dev_ops->rx_queue_start(dev, rx_queue_id);
 736
 737 }
 738
 739 int
 740 rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id)
 741 {
 742         struct rte_eth_dev *dev;
 743
 744         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 745
 746         dev = &rte_eth_devices[port_id];
 747         if (rx_queue_id >= dev->data->nb_rx_queues) {
 748                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 749                 return -EINVAL;
 750         }
 751
 752         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 753
 754         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 755                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 756                         " already stopped\n",
 757                         rx_queue_id, port_id);
 758                 return 0;
 759         }
 760
 761         return dev->dev_ops->rx_queue_stop(dev, rx_queue_id);
 762
 763 }
 764
 765 int
 766 rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id)
 767 {
 768         struct rte_eth_dev *dev;
 769
 770         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 771
 772         dev = &rte_eth_devices[port_id];
 773         if (tx_queue_id >= dev->data->nb_tx_queues) {
 774                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 775                 return -EINVAL;
 776         }
 777
 778         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 779
 780         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 781                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 782                         " already started\n",
 783                         tx_queue_id, port_id);
 784                 return 0;
 785         }
 786
 787         return dev->dev_ops->tx_queue_start(dev, tx_queue_id);
 788
 789 }
 790
 791 int
 792 rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id)
 793 {
 794         struct rte_eth_dev *dev;
 795
 796         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 797
 798         dev = &rte_eth_devices[port_id];
 799         if (tx_queue_id >= dev->data->nb_tx_queues) {
 800                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 801                 return -EINVAL;
 802         }
 803
 804         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 805
 806         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 807                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 808                         " already stopped\n",
 809                         tx_queue_id, port_id);
 810                 return 0;
 811         }
 812
 813         return dev->dev_ops->tx_queue_stop(dev, tx_queue_id);
 814
 815 }
 816
 817 static int
 818 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 819 {
 820         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 821         void **txq;
 822         unsigned i;
 823
 824         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 825                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 826                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 827                                                    RTE_CACHE_LINE_SIZE);
 828                 if (dev->data->tx_queues == NULL) {
 829                         dev->data->nb_tx_queues = 0;
 830                         return -(ENOMEM);
 831                 }
 832         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 833                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 834
 835                 txq = dev->data->tx_queues;
 836
 837                 for (i = nb_queues; i < old_nb_queues; i++)
 838                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 839                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 840                                   RTE_CACHE_LINE_SIZE);
 841                 if (txq == NULL)
 842                         return -ENOMEM;
 843                 if (nb_queues > old_nb_queues) {
 844                         uint16_t new_qs = nb_queues - old_nb_queues;
 845
 846                         memset(txq + old_nb_queues, 0,
 847                                sizeof(txq[0]) * new_qs);
 848                 }
 849
 850                 dev->data->tx_queues = txq;
 851
 852         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 853                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 854
 855                 txq = dev->data->tx_queues;
 856
 857                 for (i = nb_queues; i < old_nb_queues; i++)
 858                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 859         }
 860         dev->data->nb_tx_queues = nb_queues;
 861         return 0;
 862 }
 863
 864 uint32_t
 865 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 866 {
 867         switch (speed) {
 868         case ETH_SPEED_NUM_10M:
 869                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 870         case ETH_SPEED_NUM_100M:
 871                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 872         case ETH_SPEED_NUM_1G:
 873                 return ETH_LINK_SPEED_1G;
 874         case ETH_SPEED_NUM_2_5G:
 875                 return ETH_LINK_SPEED_2_5G;
 876         case ETH_SPEED_NUM_5G:
 877                 return ETH_LINK_SPEED_5G;
 878         case ETH_SPEED_NUM_10G:
 879                 return ETH_LINK_SPEED_10G;
 880         case ETH_SPEED_NUM_20G:
 881                 return ETH_LINK_SPEED_20G;
 882         case ETH_SPEED_NUM_25G:
 883                 return ETH_LINK_SPEED_25G;
 884         case ETH_SPEED_NUM_40G:
 885                 return ETH_LINK_SPEED_40G;
 886         case ETH_SPEED_NUM_50G:
 887                 return ETH_LINK_SPEED_50G;
 888         case ETH_SPEED_NUM_56G:
 889                 return ETH_LINK_SPEED_56G;
 890         case ETH_SPEED_NUM_100G:
 891                 return ETH_LINK_SPEED_100G;
 892         default:
 893                 return 0;
 894         }
 895 }
 896
 897 int
 898 rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 899                       const struct rte_eth_conf *dev_conf)
 900 {
 901         struct rte_eth_dev *dev;
 902         struct rte_eth_dev_info dev_info;
 903         int diag;
 904
 905         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 906
 907         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
 908                 RTE_PMD_DEBUG_TRACE(
 909                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
 910                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
 911                 return -EINVAL;
 912         }
 913
 914         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
 915                 RTE_PMD_DEBUG_TRACE(
 916                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
 917                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
 918                 return -EINVAL;
 919         }
 920
 921         dev = &rte_eth_devices[port_id];
 922
 923         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 924         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 925
 926         if (dev->data->dev_started) {
 927                 RTE_PMD_DEBUG_TRACE(
 928                     "port %d must be stopped to allow configuration\n", port_id);
 929                 return -EBUSY;
 930         }
 931
 932         /* Copy the dev_conf parameter into the dev structure */
 933         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
 934
 935         /*
 936          * Check that the numbers of RX and TX queues are not greater
 937          * than the maximum number of RX and TX queues supported by the
 938          * configured device.
 939          */
 940         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 941
 942         if (nb_rx_q == 0 && nb_tx_q == 0) {
 943                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d both rx and tx queue cannot be 0\n", port_id);
 944                 return -EINVAL;
 945         }
 946
 947         if (nb_rx_q > dev_info.max_rx_queues) {
 948                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
 949                                 port_id, nb_rx_q, dev_info.max_rx_queues);
 950                 return -EINVAL;
 951         }
 952
 953         if (nb_tx_q > dev_info.max_tx_queues) {
 954                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
 955                                 port_id, nb_tx_q, dev_info.max_tx_queues);
 956                 return -EINVAL;
 957         }
 958
 959         /*
 960          * If link state interrupt is enabled, check that the
 961          * device supports it.
 962          */
 963         if ((dev_conf->intr_conf.lsc == 1) &&
 964                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
 965                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
 966                                         dev->data->drv_name);
 967                         return -EINVAL;
 968         }
 969
 970         /*
 971          * If jumbo frames are enabled, check that the maximum RX packet
 972          * length is supported by the configured device.
 973          */
 974         if (dev_conf->rxmode.jumbo_frame == 1) {
 975                 if (dev_conf->rxmode.max_rx_pkt_len >
 976                     dev_info.max_rx_pktlen) {
 977                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 978                                 " > max valid value %u\n",
 979                                 port_id,
 980                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 981                                 (unsigned)dev_info.max_rx_pktlen);
 982                         return -EINVAL;
 983                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
 984                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 985                                 " < min valid value %u\n",
 986                                 port_id,
 987                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 988                                 (unsigned)ETHER_MIN_LEN);
 989                         return -EINVAL;
 990                 }
 991         } else {
 992                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
 993                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
 994                         /* Use default value */
 995                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
 996                                                         ETHER_MAX_LEN;
 997         }
 998
 999         /*
1000          * Setup new number of RX/TX queues and reconfigure device.
1001          */
1002         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1003         if (diag != 0) {
1004                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1005                                 port_id, diag);
1006                 return diag;
1007         }
1008
1009         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1010         if (diag != 0) {
1011                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1012                                 port_id, diag);
1013                 rte_eth_dev_rx_queue_config(dev, 0);
1014                 return diag;
1015         }
1016
1017         diag = (*dev->dev_ops->dev_configure)(dev);
1018         if (diag != 0) {
1019                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1020                                 port_id, diag);
1021                 rte_eth_dev_rx_queue_config(dev, 0);
1022                 rte_eth_dev_tx_queue_config(dev, 0);
1023                 return diag;
1024         }
1025
1026         return 0;
1027 }
1028
1029 static void
1030 rte_eth_dev_config_restore(uint8_t port_id)
1031 {
1032         struct rte_eth_dev *dev;
1033         struct rte_eth_dev_info dev_info;
1034         struct ether_addr addr;
1035         uint16_t i;
1036         uint32_t pool = 0;
1037
1038         dev = &rte_eth_devices[port_id];
1039
1040         rte_eth_dev_info_get(port_id, &dev_info);
1041
1042         if (RTE_ETH_DEV_SRIOV(dev).active)
1043                 pool = RTE_ETH_DEV_SRIOV(dev).def_vmdq_idx;
1044
1045         /* replay MAC address configuration */
1046         for (i = 0; i < dev_info.max_mac_addrs; i++) {
1047                 addr = dev->data->mac_addrs[i];
1048
1049                 /* skip zero address */
1050                 if (is_zero_ether_addr(&addr))
1051                         continue;
1052
1053                 /* add address to the hardware */
1054                 if  (*dev->dev_ops->mac_addr_add &&
1055                         (dev->data->mac_pool_sel[i] & (1ULL << pool)))
1056                         (*dev->dev_ops->mac_addr_add)(dev, &addr, i, pool);
1057                 else {
1058                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array not supported\n",
1059                                         port_id);
1060                         /* exit the loop but not return an error */
1061                         break;
1062                 }
1063         }
1064
1065         /* replay promiscuous configuration */
1066         if (rte_eth_promiscuous_get(port_id) == 1)
1067                 rte_eth_promiscuous_enable(port_id);
1068         else if (rte_eth_promiscuous_get(port_id) == 0)
1069                 rte_eth_promiscuous_disable(port_id);
1070
1071         /* replay all multicast configuration */
1072         if (rte_eth_allmulticast_get(port_id) == 1)
1073                 rte_eth_allmulticast_enable(port_id);
1074         else if (rte_eth_allmulticast_get(port_id) == 0)
1075                 rte_eth_allmulticast_disable(port_id);
1076 }
1077
1078 int
1079 rte_eth_dev_start(uint8_t port_id)
1080 {
1081         struct rte_eth_dev *dev;
1082         int diag;
1083
1084         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1085
1086         dev = &rte_eth_devices[port_id];
1087
1088         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1089
1090         if (dev->data->dev_started != 0) {
1091                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1092                         " already started\n",
1093                         port_id);
1094                 return 0;
1095         }
1096
1097         diag = (*dev->dev_ops->dev_start)(dev);
1098         if (diag == 0)
1099                 dev->data->dev_started = 1;
1100         else
1101                 return diag;
1102
1103         rte_eth_dev_config_restore(port_id);
1104
1105         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1106                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1107                 (*dev->dev_ops->link_update)(dev, 0);
1108         }
1109         return 0;
1110 }
1111
1112 void
1113 rte_eth_dev_stop(uint8_t port_id)
1114 {
1115         struct rte_eth_dev *dev;
1116
1117         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1118         dev = &rte_eth_devices[port_id];
1119
1120         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1121
1122         if (dev->data->dev_started == 0) {
1123                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1124                         " already stopped\n",
1125                         port_id);
1126                 return;
1127         }
1128
1129         dev->data->dev_started = 0;
1130         (*dev->dev_ops->dev_stop)(dev);
1131 }
1132
1133 int
1134 rte_eth_dev_set_link_up(uint8_t port_id)
1135 {
1136         struct rte_eth_dev *dev;
1137
1138         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1139
1140         dev = &rte_eth_devices[port_id];
1141
1142         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1143         return (*dev->dev_ops->dev_set_link_up)(dev);
1144 }
1145
1146 int
1147 rte_eth_dev_set_link_down(uint8_t port_id)
1148 {
1149         struct rte_eth_dev *dev;
1150
1151         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1152
1153         dev = &rte_eth_devices[port_id];
1154
1155         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1156         return (*dev->dev_ops->dev_set_link_down)(dev);
1157 }
1158
1159 void
1160 rte_eth_dev_close(uint8_t port_id)
1161 {
1162         struct rte_eth_dev *dev;
1163
1164         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1165         dev = &rte_eth_devices[port_id];
1166
1167         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1168         dev->data->dev_started = 0;
1169         (*dev->dev_ops->dev_close)(dev);
1170
1171         rte_free(dev->data->rx_queues);
1172         dev->data->rx_queues = NULL;
1173         rte_free(dev->data->tx_queues);
1174         dev->data->tx_queues = NULL;
1175 }
1176
1177 int
1178 rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
1179                        uint16_t nb_rx_desc, unsigned int socket_id,
1180                        const struct rte_eth_rxconf *rx_conf,
1181                        struct rte_mempool *mp)
1182 {
1183         int ret;
1184         uint32_t mbp_buf_size;
1185         struct rte_eth_dev *dev;
1186         struct rte_eth_dev_info dev_info;
1187
1188         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1189
1190         dev = &rte_eth_devices[port_id];
1191         if (rx_queue_id >= dev->data->nb_rx_queues) {
1192                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1193                 return -EINVAL;
1194         }
1195
1196         if (dev->data->dev_started) {
1197                 RTE_PMD_DEBUG_TRACE(
1198                     "port %d must be stopped to allow configuration\n", port_id);
1199                 return -EBUSY;
1200         }
1201
1202         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1204
1205         /*
1206          * Check the size of the mbuf data buffer.
1207          * This value must be provided in the private data of the memory pool.
1208          * First check that the memory pool has a valid private data.
1209          */
1210         rte_eth_dev_info_get(port_id, &dev_info);
1211         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1212                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1213                                 mp->name, (int) mp->private_data_size,
1214                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1215                 return -ENOSPC;
1216         }
1217         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1218
1219         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1220                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1221                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1222                                 "=%d)\n",
1223                                 mp->name,
1224                                 (int)mbp_buf_size,
1225                                 (int)(RTE_PKTMBUF_HEADROOM +
1226                                       dev_info.min_rx_bufsize),
1227                                 (int)RTE_PKTMBUF_HEADROOM,
1228                                 (int)dev_info.min_rx_bufsize);
1229                 return -EINVAL;
1230         }
1231
1232         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1233                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1234                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1235
1236                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1237                         "should be: <= %hu, = %hu, and a product of %hu\n",
1238                         nb_rx_desc,
1239                         dev_info.rx_desc_lim.nb_max,
1240                         dev_info.rx_desc_lim.nb_min,
1241                         dev_info.rx_desc_lim.nb_align);
1242                 return -EINVAL;
1243         }
1244
1245         if (rx_conf == NULL)
1246                 rx_conf = &dev_info.default_rxconf;
1247
1248         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1249                                               socket_id, rx_conf, mp);
1250         if (!ret) {
1251                 if (!dev->data->min_rx_buf_size ||
1252                     dev->data->min_rx_buf_size > mbp_buf_size)
1253                         dev->data->min_rx_buf_size = mbp_buf_size;
1254         }
1255
1256         return ret;
1257 }
1258
1259 int
1260 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1261                        uint16_t nb_tx_desc, unsigned int socket_id,
1262                        const struct rte_eth_txconf *tx_conf)
1263 {
1264         struct rte_eth_dev *dev;
1265         struct rte_eth_dev_info dev_info;
1266
1267         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1268
1269         dev = &rte_eth_devices[port_id];
1270         if (tx_queue_id >= dev->data->nb_tx_queues) {
1271                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1272                 return -EINVAL;
1273         }
1274
1275         if (dev->data->dev_started) {
1276                 RTE_PMD_DEBUG_TRACE(
1277                     "port %d must be stopped to allow configuration\n", port_id);
1278                 return -EBUSY;
1279         }
1280
1281         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1282         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1283
1284         rte_eth_dev_info_get(port_id, &dev_info);
1285
1286         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1287             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1288             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1289                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1290                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1291                                 nb_tx_desc,
1292                                 dev_info.tx_desc_lim.nb_max,
1293                                 dev_info.tx_desc_lim.nb_min,
1294                                 dev_info.tx_desc_lim.nb_align);
1295                 return -EINVAL;
1296         }
1297
1298         if (tx_conf == NULL)
1299                 tx_conf = &dev_info.default_txconf;
1300
1301         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1302                                                socket_id, tx_conf);
1303 }
1304
1305 void
1306 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1307                 void *userdata __rte_unused)
1308 {
1309         unsigned i;
1310
1311         for (i = 0; i < unsent; i++)
1312                 rte_pktmbuf_free(pkts[i]);
1313 }
1314
1315 void
1316 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1317                 void *userdata)
1318 {
1319         uint64_t *count = userdata;
1320         unsigned i;
1321
1322         for (i = 0; i < unsent; i++)
1323                 rte_pktmbuf_free(pkts[i]);
1324
1325         *count += unsent;
1326 }
1327
1328 int
1329 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1330                 buffer_tx_error_fn cbfn, void *userdata)
1331 {
1332         buffer->error_callback = cbfn;
1333         buffer->error_userdata = userdata;
1334         return 0;
1335 }
1336
1337 int
1338 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1339 {
1340         int ret = 0;
1341
1342         if (buffer == NULL)
1343                 return -EINVAL;
1344
1345         buffer->size = size;
1346         if (buffer->error_callback == NULL) {
1347                 ret = rte_eth_tx_buffer_set_err_callback(
1348                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1349         }
1350
1351         return ret;
1352 }
1353
1354 void
1355 rte_eth_promiscuous_enable(uint8_t port_id)
1356 {
1357         struct rte_eth_dev *dev;
1358
1359         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1360         dev = &rte_eth_devices[port_id];
1361
1362         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1363         (*dev->dev_ops->promiscuous_enable)(dev);
1364         dev->data->promiscuous = 1;
1365 }
1366
1367 void
1368 rte_eth_promiscuous_disable(uint8_t port_id)
1369 {
1370         struct rte_eth_dev *dev;
1371
1372         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1373         dev = &rte_eth_devices[port_id];
1374
1375         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1376         dev->data->promiscuous = 0;
1377         (*dev->dev_ops->promiscuous_disable)(dev);
1378 }
1379
1380 int
1381 rte_eth_promiscuous_get(uint8_t port_id)
1382 {
1383         struct rte_eth_dev *dev;
1384
1385         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1386
1387         dev = &rte_eth_devices[port_id];
1388         return dev->data->promiscuous;
1389 }
1390
1391 void
1392 rte_eth_allmulticast_enable(uint8_t port_id)
1393 {
1394         struct rte_eth_dev *dev;
1395
1396         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1397         dev = &rte_eth_devices[port_id];
1398
1399         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1400         (*dev->dev_ops->allmulticast_enable)(dev);
1401         dev->data->all_multicast = 1;
1402 }
1403
1404 void
1405 rte_eth_allmulticast_disable(uint8_t port_id)
1406 {
1407         struct rte_eth_dev *dev;
1408
1409         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1410         dev = &rte_eth_devices[port_id];
1411
1412         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1413         dev->data->all_multicast = 0;
1414         (*dev->dev_ops->allmulticast_disable)(dev);
1415 }
1416
1417 int
1418 rte_eth_allmulticast_get(uint8_t port_id)
1419 {
1420         struct rte_eth_dev *dev;
1421
1422         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1423
1424         dev = &rte_eth_devices[port_id];
1425         return dev->data->all_multicast;
1426 }
1427
1428 static inline int
1429 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1430                                 struct rte_eth_link *link)
1431 {
1432         struct rte_eth_link *dst = link;
1433         struct rte_eth_link *src = &(dev->data->dev_link);
1434
1435         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1436                                         *(uint64_t *)src) == 0)
1437                 return -1;
1438
1439         return 0;
1440 }
1441
1442 void
1443 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1444 {
1445         struct rte_eth_dev *dev;
1446
1447         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1448         dev = &rte_eth_devices[port_id];
1449
1450         if (dev->data->dev_conf.intr_conf.lsc != 0)
1451                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1452         else {
1453                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1454                 (*dev->dev_ops->link_update)(dev, 1);
1455                 *eth_link = dev->data->dev_link;
1456         }
1457 }
1458
1459 void
1460 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1461 {
1462         struct rte_eth_dev *dev;
1463
1464         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1465         dev = &rte_eth_devices[port_id];
1466
1467         if (dev->data->dev_conf.intr_conf.lsc != 0)
1468                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1469         else {
1470                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1471                 (*dev->dev_ops->link_update)(dev, 0);
1472                 *eth_link = dev->data->dev_link;
1473         }
1474 }
1475
1476 int
1477 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1478 {
1479         struct rte_eth_dev *dev;
1480
1481         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1482
1483         dev = &rte_eth_devices[port_id];
1484         memset(stats, 0, sizeof(*stats));
1485
1486         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1487         (*dev->dev_ops->stats_get)(dev, stats);
1488         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1489         return 0;
1490 }
1491
1492 void
1493 rte_eth_stats_reset(uint8_t port_id)
1494 {
1495         struct rte_eth_dev *dev;
1496
1497         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1498         dev = &rte_eth_devices[port_id];
1499
1500         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1501         (*dev->dev_ops->stats_reset)(dev);
1502         dev->data->rx_mbuf_alloc_failed = 0;
1503 }
1504
1505 /* retrieve ethdev extended statistics */
1506 int
1507 rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
1508         unsigned n)
1509 {
1510         struct rte_eth_stats eth_stats;
1511         struct rte_eth_dev *dev;
1512         unsigned count = 0, i, q;
1513         signed xcount = 0;
1514         uint64_t val, *stats_ptr;
1515
1516         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1517
1518         dev = &rte_eth_devices[port_id];
1519
1520         /* Return generic statistics */
1521         count = RTE_NB_STATS + (dev->data->nb_rx_queues * RTE_NB_RXQ_STATS) +
1522                 (dev->data->nb_tx_queues * RTE_NB_TXQ_STATS);
1523
1524         /* implemented by the driver */
1525         if (dev->dev_ops->xstats_get != NULL) {
1526                 /* Retrieve the xstats from the driver at the end of the
1527                  * xstats struct.
1528                  */
1529                 xcount = (*dev->dev_ops->xstats_get)(dev,
1530                                      xstats ? xstats + count : NULL,
1531                                      (n > count) ? n - count : 0);
1532
1533                 if (xcount < 0)
1534                         return xcount;
1535         }
1536
1537         if (n < count + xcount || xstats == NULL)
1538                 return count + xcount;
1539
1540         /* now fill the xstats structure */
1541         count = 0;
1542         rte_eth_stats_get(port_id, &eth_stats);
1543
1544         /* global stats */
1545         for (i = 0; i < RTE_NB_STATS; i++) {
1546                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1547                                         rte_stats_strings[i].offset);
1548                 val = *stats_ptr;
1549                 snprintf(xstats[count].name, sizeof(xstats[count].name),
1550                         "%s", rte_stats_strings[i].name);
1551                 xstats[count++].value = val;
1552         }
1553
1554         /* per-rxq stats */
1555         for (q = 0; q < dev->data->nb_rx_queues; q++) {
1556                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1557                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1558                                         rte_rxq_stats_strings[i].offset +
1559                                         q * sizeof(uint64_t));
1560                         val = *stats_ptr;
1561                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1562                                 "rx_q%u_%s", q,
1563                                 rte_rxq_stats_strings[i].name);
1564                         xstats[count++].value = val;
1565                 }
1566         }
1567
1568         /* per-txq stats */
1569         for (q = 0; q < dev->data->nb_tx_queues; q++) {
1570                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1571                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1572                                         rte_txq_stats_strings[i].offset +
1573                                         q * sizeof(uint64_t));
1574                         val = *stats_ptr;
1575                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1576                                 "tx_q%u_%s", q,
1577                                 rte_txq_stats_strings[i].name);
1578                         xstats[count++].value = val;
1579                 }
1580         }
1581
1582         return count + xcount;
1583 }
1584
1585 /* reset ethdev extended statistics */
1586 void
1587 rte_eth_xstats_reset(uint8_t port_id)
1588 {
1589         struct rte_eth_dev *dev;
1590
1591         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1592         dev = &rte_eth_devices[port_id];
1593
1594         /* implemented by the driver */
1595         if (dev->dev_ops->xstats_reset != NULL) {
1596                 (*dev->dev_ops->xstats_reset)(dev);
1597                 return;
1598         }
1599
1600         /* fallback to default */
1601         rte_eth_stats_reset(port_id);
1602 }
1603
1604 static int
1605 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
1606                 uint8_t is_rx)
1607 {
1608         struct rte_eth_dev *dev;
1609
1610         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1611
1612         dev = &rte_eth_devices[port_id];
1613
1614         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1615         return (*dev->dev_ops->queue_stats_mapping_set)
1616                         (dev, queue_id, stat_idx, is_rx);
1617 }
1618
1619
1620 int
1621 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
1622                 uint8_t stat_idx)
1623 {
1624         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1625                         STAT_QMAP_TX);
1626 }
1627
1628
1629 int
1630 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
1631                 uint8_t stat_idx)
1632 {
1633         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1634                         STAT_QMAP_RX);
1635 }
1636
1637
1638 void
1639 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
1640 {
1641         struct rte_eth_dev *dev;
1642         const struct rte_eth_desc_lim lim = {
1643                 .nb_max = UINT16_MAX,
1644                 .nb_min = 0,
1645                 .nb_align = 1,
1646         };
1647
1648         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1649         dev = &rte_eth_devices[port_id];
1650
1651         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
1652         dev_info->rx_desc_lim = lim;
1653         dev_info->tx_desc_lim = lim;
1654
1655         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1656         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1657         dev_info->pci_dev = dev->pci_dev;
1658         dev_info->driver_name = dev->data->drv_name;
1659 }
1660
1661 int
1662 rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
1663                                  uint32_t *ptypes, int num)
1664 {
1665         int i, j;
1666         struct rte_eth_dev *dev;
1667         const uint32_t *all_ptypes;
1668
1669         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1670         dev = &rte_eth_devices[port_id];
1671         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
1672         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
1673
1674         if (!all_ptypes)
1675                 return 0;
1676
1677         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
1678                 if (all_ptypes[i] & ptype_mask) {
1679                         if (j < num)
1680                                 ptypes[j] = all_ptypes[i];
1681                         j++;
1682                 }
1683
1684         return j;
1685 }
1686
1687 void
1688 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
1689 {
1690         struct rte_eth_dev *dev;
1691
1692         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1693         dev = &rte_eth_devices[port_id];
1694         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
1695 }
1696
1697
1698 int
1699 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
1700 {
1701         struct rte_eth_dev *dev;
1702
1703         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1704
1705         dev = &rte_eth_devices[port_id];
1706         *mtu = dev->data->mtu;
1707         return 0;
1708 }
1709
1710 int
1711 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
1712 {
1713         int ret;
1714         struct rte_eth_dev *dev;
1715
1716         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1717         dev = &rte_eth_devices[port_id];
1718         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
1719
1720         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
1721         if (!ret)
1722                 dev->data->mtu = mtu;
1723
1724         return ret;
1725 }
1726
1727 int
1728 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
1729 {
1730         struct rte_eth_dev *dev;
1731
1732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1733         dev = &rte_eth_devices[port_id];
1734         if (!(dev->data->dev_conf.rxmode.hw_vlan_filter)) {
1735                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
1736                 return -ENOSYS;
1737         }
1738
1739         if (vlan_id > 4095) {
1740                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
1741                                 port_id, (unsigned) vlan_id);
1742                 return -EINVAL;
1743         }
1744         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
1745
1746         return (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
1747 }
1748
1749 int
1750 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
1751 {
1752         struct rte_eth_dev *dev;
1753
1754         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1755         dev = &rte_eth_devices[port_id];
1756         if (rx_queue_id >= dev->data->nb_rx_queues) {
1757                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
1758                 return -EINVAL;
1759         }
1760
1761         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
1762         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
1763
1764         return 0;
1765 }
1766
1767 int
1768 rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
1769                                 enum rte_vlan_type vlan_type,
1770                                 uint16_t tpid)
1771 {
1772         struct rte_eth_dev *dev;
1773
1774         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1775         dev = &rte_eth_devices[port_id];
1776         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
1777
1778         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
1779 }
1780
1781 int
1782 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
1783 {
1784         struct rte_eth_dev *dev;
1785         int ret = 0;
1786         int mask = 0;
1787         int cur, org = 0;
1788
1789         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1790         dev = &rte_eth_devices[port_id];
1791
1792         /*check which option changed by application*/
1793         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
1794         org = !!(dev->data->dev_conf.rxmode.hw_vlan_strip);
1795         if (cur != org) {
1796                 dev->data->dev_conf.rxmode.hw_vlan_strip = (uint8_t)cur;
1797                 mask |= ETH_VLAN_STRIP_MASK;
1798         }
1799
1800         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
1801         org = !!(dev->data->dev_conf.rxmode.hw_vlan_filter);
1802         if (cur != org) {
1803                 dev->data->dev_conf.rxmode.hw_vlan_filter = (uint8_t)cur;
1804                 mask |= ETH_VLAN_FILTER_MASK;
1805         }
1806
1807         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
1808         org = !!(dev->data->dev_conf.rxmode.hw_vlan_extend);
1809         if (cur != org) {
1810                 dev->data->dev_conf.rxmode.hw_vlan_extend = (uint8_t)cur;
1811                 mask |= ETH_VLAN_EXTEND_MASK;
1812         }
1813
1814         /*no change*/
1815         if (mask == 0)
1816                 return ret;
1817
1818         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
1819         (*dev->dev_ops->vlan_offload_set)(dev, mask);
1820
1821         return ret;
1822 }
1823
1824 int
1825 rte_eth_dev_get_vlan_offload(uint8_t port_id)
1826 {
1827         struct rte_eth_dev *dev;
1828         int ret = 0;
1829
1830         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1831         dev = &rte_eth_devices[port_id];
1832
1833         if (dev->data->dev_conf.rxmode.hw_vlan_strip)
1834                 ret |= ETH_VLAN_STRIP_OFFLOAD;
1835
1836         if (dev->data->dev_conf.rxmode.hw_vlan_filter)
1837                 ret |= ETH_VLAN_FILTER_OFFLOAD;
1838
1839         if (dev->data->dev_conf.rxmode.hw_vlan_extend)
1840                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
1841
1842         return ret;
1843 }
1844
1845 int
1846 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
1847 {
1848         struct rte_eth_dev *dev;
1849
1850         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1851         dev = &rte_eth_devices[port_id];
1852         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
1853         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
1854
1855         return 0;
1856 }
1857
1858 int
1859 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1860 {
1861         struct rte_eth_dev *dev;
1862
1863         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1864         dev = &rte_eth_devices[port_id];
1865         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
1866         memset(fc_conf, 0, sizeof(*fc_conf));
1867         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
1868 }
1869
1870 int
1871 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1872 {
1873         struct rte_eth_dev *dev;
1874
1875         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1876         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
1877                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
1878                 return -EINVAL;
1879         }
1880
1881         dev = &rte_eth_devices[port_id];
1882         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
1883         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
1884 }
1885
1886 int
1887 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
1888 {
1889         struct rte_eth_dev *dev;
1890
1891         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1892         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
1893                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
1894                 return -EINVAL;
1895         }
1896
1897         dev = &rte_eth_devices[port_id];
1898         /* High water, low water validation are device specific */
1899         if  (*dev->dev_ops->priority_flow_ctrl_set)
1900                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
1901         return -ENOTSUP;
1902 }
1903
1904 static int
1905 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
1906                         uint16_t reta_size)
1907 {
1908         uint16_t i, num;
1909
1910         if (!reta_conf)
1911                 return -EINVAL;
1912
1913         if (reta_size != RTE_ALIGN(reta_size, RTE_RETA_GROUP_SIZE)) {
1914                 RTE_PMD_DEBUG_TRACE("Invalid reta size, should be %u aligned\n",
1915                                                         RTE_RETA_GROUP_SIZE);
1916                 return -EINVAL;
1917         }
1918
1919         num = reta_size / RTE_RETA_GROUP_SIZE;
1920         for (i = 0; i < num; i++) {
1921                 if (reta_conf[i].mask)
1922                         return 0;
1923         }
1924
1925         return -EINVAL;
1926 }
1927
1928 static int
1929 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
1930                          uint16_t reta_size,
1931                          uint16_t max_rxq)
1932 {
1933         uint16_t i, idx, shift;
1934
1935         if (!reta_conf)
1936                 return -EINVAL;
1937
1938         if (max_rxq == 0) {
1939                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
1940                 return -EINVAL;
1941         }
1942
1943         for (i = 0; i < reta_size; i++) {
1944                 idx = i / RTE_RETA_GROUP_SIZE;
1945                 shift = i % RTE_RETA_GROUP_SIZE;
1946                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
1947                         (reta_conf[idx].reta[shift] >= max_rxq)) {
1948                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
1949                                 "the maximum rxq index: %u\n", idx, shift,
1950                                 reta_conf[idx].reta[shift], max_rxq);
1951                         return -EINVAL;
1952                 }
1953         }
1954
1955         return 0;
1956 }
1957
1958 int
1959 rte_eth_dev_rss_reta_update(uint8_t port_id,
1960                             struct rte_eth_rss_reta_entry64 *reta_conf,
1961                             uint16_t reta_size)
1962 {
1963         struct rte_eth_dev *dev;
1964         int ret;
1965
1966         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1967         /* Check mask bits */
1968         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
1969         if (ret < 0)
1970                 return ret;
1971
1972         dev = &rte_eth_devices[port_id];
1973
1974         /* Check entry value */
1975         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
1976                                 dev->data->nb_rx_queues);
1977         if (ret < 0)
1978                 return ret;
1979
1980         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
1981         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
1982 }
1983
1984 int
1985 rte_eth_dev_rss_reta_query(uint8_t port_id,
1986                            struct rte_eth_rss_reta_entry64 *reta_conf,
1987                            uint16_t reta_size)
1988 {
1989         struct rte_eth_dev *dev;
1990         int ret;
1991
1992         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1993
1994         /* Check mask bits */
1995         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
1996         if (ret < 0)
1997                 return ret;
1998
1999         dev = &rte_eth_devices[port_id];
2000         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2001         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2002 }
2003
2004 int
2005 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
2006 {
2007         struct rte_eth_dev *dev;
2008         uint16_t rss_hash_protos;
2009
2010         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2011         rss_hash_protos = rss_conf->rss_hf;
2012         if ((rss_hash_protos != 0) &&
2013             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
2014                 RTE_PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
2015                                 rss_hash_protos);
2016                 return -EINVAL;
2017         }
2018         dev = &rte_eth_devices[port_id];
2019         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2020         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2021 }
2022
2023 int
2024 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
2025                               struct rte_eth_rss_conf *rss_conf)
2026 {
2027         struct rte_eth_dev *dev;
2028
2029         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2030         dev = &rte_eth_devices[port_id];
2031         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2032         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2033 }
2034
2035 int
2036 rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
2037                                 struct rte_eth_udp_tunnel *udp_tunnel)
2038 {
2039         struct rte_eth_dev *dev;
2040
2041         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2042         if (udp_tunnel == NULL) {
2043                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2044                 return -EINVAL;
2045         }
2046
2047         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2048                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2049                 return -EINVAL;
2050         }
2051
2052         dev = &rte_eth_devices[port_id];
2053         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2054         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2055 }
2056
2057 int
2058 rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
2059                                    struct rte_eth_udp_tunnel *udp_tunnel)
2060 {
2061         struct rte_eth_dev *dev;
2062
2063         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2064         dev = &rte_eth_devices[port_id];
2065
2066         if (udp_tunnel == NULL) {
2067                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2068                 return -EINVAL;
2069         }
2070
2071         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2072                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2073                 return -EINVAL;
2074         }
2075
2076         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2077         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2078 }
2079
2080 int
2081 rte_eth_led_on(uint8_t port_id)
2082 {
2083         struct rte_eth_dev *dev;
2084
2085         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2086         dev = &rte_eth_devices[port_id];
2087         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2088         return (*dev->dev_ops->dev_led_on)(dev);
2089 }
2090
2091 int
2092 rte_eth_led_off(uint8_t port_id)
2093 {
2094         struct rte_eth_dev *dev;
2095
2096         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2097         dev = &rte_eth_devices[port_id];
2098         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2099         return (*dev->dev_ops->dev_led_off)(dev);
2100 }
2101
2102 /*
2103  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2104  * an empty spot.
2105  */
2106 static int
2107 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2108 {
2109         struct rte_eth_dev_info dev_info;
2110         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2111         unsigned i;
2112
2113         rte_eth_dev_info_get(port_id, &dev_info);
2114
2115         for (i = 0; i < dev_info.max_mac_addrs; i++)
2116                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2117                         return i;
2118
2119         return -1;
2120 }
2121
2122 static const struct ether_addr null_mac_addr;
2123
2124 int
2125 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2126                         uint32_t pool)
2127 {
2128         struct rte_eth_dev *dev;
2129         int index;
2130         uint64_t pool_mask;
2131
2132         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2133         dev = &rte_eth_devices[port_id];
2134         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2135
2136         if (is_zero_ether_addr(addr)) {
2137                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2138                         port_id);
2139                 return -EINVAL;
2140         }
2141         if (pool >= ETH_64_POOLS) {
2142                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2143                 return -EINVAL;
2144         }
2145
2146         index = get_mac_addr_index(port_id, addr);
2147         if (index < 0) {
2148                 index = get_mac_addr_index(port_id, &null_mac_addr);
2149                 if (index < 0) {
2150                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2151                                 port_id);
2152                         return -ENOSPC;
2153                 }
2154         } else {
2155                 pool_mask = dev->data->mac_pool_sel[index];
2156
2157                 /* Check if both MAC address and pool is already there, and do nothing */
2158                 if (pool_mask & (1ULL << pool))
2159                         return 0;
2160         }
2161
2162         /* Update NIC */
2163         (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2164
2165         /* Update address in NIC data structure */
2166         ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2167
2168         /* Update pool bitmap in NIC data structure */
2169         dev->data->mac_pool_sel[index] |= (1ULL << pool);
2170
2171         return 0;
2172 }
2173
2174 int
2175 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2176 {
2177         struct rte_eth_dev *dev;
2178         int index;
2179
2180         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2181         dev = &rte_eth_devices[port_id];
2182         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2183
2184         index = get_mac_addr_index(port_id, addr);
2185         if (index == 0) {
2186                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2187                 return -EADDRINUSE;
2188         } else if (index < 0)
2189                 return 0;  /* Do nothing if address wasn't found */
2190
2191         /* Update NIC */
2192         (*dev->dev_ops->mac_addr_remove)(dev, index);
2193
2194         /* Update address in NIC data structure */
2195         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2196
2197         /* reset pool bitmap */
2198         dev->data->mac_pool_sel[index] = 0;
2199
2200         return 0;
2201 }
2202
2203 int
2204 rte_eth_dev_default_mac_addr_set(uint8_t port_id, struct ether_addr *addr)
2205 {
2206         struct rte_eth_dev *dev;
2207
2208         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2209
2210         if (!is_valid_assigned_ether_addr(addr))
2211                 return -EINVAL;
2212
2213         dev = &rte_eth_devices[port_id];
2214         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2215
2216         /* Update default address in NIC data structure */
2217         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2218
2219         (*dev->dev_ops->mac_addr_set)(dev, addr);
2220
2221         return 0;
2222 }
2223
2224 int
2225 rte_eth_dev_set_vf_rxmode(uint8_t port_id,  uint16_t vf,
2226                                 uint16_t rx_mode, uint8_t on)
2227 {
2228         uint16_t num_vfs;
2229         struct rte_eth_dev *dev;
2230         struct rte_eth_dev_info dev_info;
2231
2232         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2233
2234         dev = &rte_eth_devices[port_id];
2235         rte_eth_dev_info_get(port_id, &dev_info);
2236
2237         num_vfs = dev_info.max_vfs;
2238         if (vf > num_vfs) {
2239                 RTE_PMD_DEBUG_TRACE("set VF RX mode:invalid VF id %d\n", vf);
2240                 return -EINVAL;
2241         }
2242
2243         if (rx_mode == 0) {
2244                 RTE_PMD_DEBUG_TRACE("set VF RX mode:mode mask ca not be zero\n");
2245                 return -EINVAL;
2246         }
2247         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx_mode, -ENOTSUP);
2248         return (*dev->dev_ops->set_vf_rx_mode)(dev, vf, rx_mode, on);
2249 }
2250
2251 /*
2252  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2253  * an empty spot.
2254  */
2255 static int
2256 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2257 {
2258         struct rte_eth_dev_info dev_info;
2259         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2260         unsigned i;
2261
2262         rte_eth_dev_info_get(port_id, &dev_info);
2263         if (!dev->data->hash_mac_addrs)
2264                 return -1;
2265
2266         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2267                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2268                         ETHER_ADDR_LEN) == 0)
2269                         return i;
2270
2271         return -1;
2272 }
2273
2274 int
2275 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2276                                 uint8_t on)
2277 {
2278         int index;
2279         int ret;
2280         struct rte_eth_dev *dev;
2281
2282         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2283
2284         dev = &rte_eth_devices[port_id];
2285         if (is_zero_ether_addr(addr)) {
2286                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2287                         port_id);
2288                 return -EINVAL;
2289         }
2290
2291         index = get_hash_mac_addr_index(port_id, addr);
2292         /* Check if it's already there, and do nothing */
2293         if ((index >= 0) && (on))
2294                 return 0;
2295
2296         if (index < 0) {
2297                 if (!on) {
2298                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2299                                 "set in UTA\n", port_id);
2300                         return -EINVAL;
2301                 }
2302
2303                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2304                 if (index < 0) {
2305                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2306                                         port_id);
2307                         return -ENOSPC;
2308                 }
2309         }
2310
2311         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2312         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2313         if (ret == 0) {
2314                 /* Update address in NIC data structure */
2315                 if (on)
2316                         ether_addr_copy(addr,
2317                                         &dev->data->hash_mac_addrs[index]);
2318                 else
2319                         ether_addr_copy(&null_mac_addr,
2320                                         &dev->data->hash_mac_addrs[index]);
2321         }
2322
2323         return ret;
2324 }
2325
2326 int
2327 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2328 {
2329         struct rte_eth_dev *dev;
2330
2331         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2332
2333         dev = &rte_eth_devices[port_id];
2334
2335         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2336         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2337 }
2338
2339 int
2340 rte_eth_dev_set_vf_rx(uint8_t port_id, uint16_t vf, uint8_t on)
2341 {
2342         uint16_t num_vfs;
2343         struct rte_eth_dev *dev;
2344         struct rte_eth_dev_info dev_info;
2345
2346         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2347
2348         dev = &rte_eth_devices[port_id];
2349         rte_eth_dev_info_get(port_id, &dev_info);
2350
2351         num_vfs = dev_info.max_vfs;
2352         if (vf > num_vfs) {
2353                 RTE_PMD_DEBUG_TRACE("port %d: invalid vf id\n", port_id);
2354                 return -EINVAL;
2355         }
2356
2357         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx, -ENOTSUP);
2358         return (*dev->dev_ops->set_vf_rx)(dev, vf, on);
2359 }
2360
2361 int
2362 rte_eth_dev_set_vf_tx(uint8_t port_id, uint16_t vf, uint8_t on)
2363 {
2364         uint16_t num_vfs;
2365         struct rte_eth_dev *dev;
2366         struct rte_eth_dev_info dev_info;
2367
2368         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2369
2370         dev = &rte_eth_devices[port_id];
2371         rte_eth_dev_info_get(port_id, &dev_info);
2372
2373         num_vfs = dev_info.max_vfs;
2374         if (vf > num_vfs) {
2375                 RTE_PMD_DEBUG_TRACE("set pool tx:invalid pool id=%d\n", vf);
2376                 return -EINVAL;
2377         }
2378
2379         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_tx, -ENOTSUP);
2380         return (*dev->dev_ops->set_vf_tx)(dev, vf, on);
2381 }
2382
2383 int
2384 rte_eth_dev_set_vf_vlan_filter(uint8_t port_id, uint16_t vlan_id,
2385                                uint64_t vf_mask, uint8_t vlan_on)
2386 {
2387         struct rte_eth_dev *dev;
2388
2389         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2390
2391         dev = &rte_eth_devices[port_id];
2392
2393         if (vlan_id > ETHER_MAX_VLAN_ID) {
2394                 RTE_PMD_DEBUG_TRACE("VF VLAN filter:invalid VLAN id=%d\n",
2395                         vlan_id);
2396                 return -EINVAL;
2397         }
2398
2399         if (vf_mask == 0) {
2400                 RTE_PMD_DEBUG_TRACE("VF VLAN filter:pool_mask can not be 0\n");
2401                 return -EINVAL;
2402         }
2403
2404         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_vlan_filter, -ENOTSUP);
2405         return (*dev->dev_ops->set_vf_vlan_filter)(dev, vlan_id,
2406                                                    vf_mask, vlan_on);
2407 }
2408
2409 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2410                                         uint16_t tx_rate)
2411 {
2412         struct rte_eth_dev *dev;
2413         struct rte_eth_dev_info dev_info;
2414         struct rte_eth_link link;
2415
2416         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2417
2418         dev = &rte_eth_devices[port_id];
2419         rte_eth_dev_info_get(port_id, &dev_info);
2420         link = dev->data->dev_link;
2421
2422         if (queue_idx > dev_info.max_tx_queues) {
2423                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2424                                 "invalid queue id=%d\n", port_id, queue_idx);
2425                 return -EINVAL;
2426         }
2427
2428         if (tx_rate > link.link_speed) {
2429                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2430                                 "bigger than link speed= %d\n",
2431                         tx_rate, link.link_speed);
2432                 return -EINVAL;
2433         }
2434
2435         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2436         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2437 }
2438
2439 int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf, uint16_t tx_rate,
2440                                 uint64_t q_msk)
2441 {
2442         struct rte_eth_dev *dev;
2443         struct rte_eth_dev_info dev_info;
2444         struct rte_eth_link link;
2445
2446         if (q_msk == 0)
2447                 return 0;
2448
2449         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2450
2451         dev = &rte_eth_devices[port_id];
2452         rte_eth_dev_info_get(port_id, &dev_info);
2453         link = dev->data->dev_link;
2454
2455         if (vf > dev_info.max_vfs) {
2456                 RTE_PMD_DEBUG_TRACE("set VF rate limit:port %d: "
2457                                 "invalid vf id=%d\n", port_id, vf);
2458                 return -EINVAL;
2459         }
2460
2461         if (tx_rate > link.link_speed) {
2462                 RTE_PMD_DEBUG_TRACE("set VF rate limit:invalid tx_rate=%d, "
2463                                 "bigger than link speed= %d\n",
2464                                 tx_rate, link.link_speed);
2465                 return -EINVAL;
2466         }
2467
2468         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rate_limit, -ENOTSUP);
2469         return (*dev->dev_ops->set_vf_rate_limit)(dev, vf, tx_rate, q_msk);
2470 }
2471
2472 int
2473 rte_eth_mirror_rule_set(uint8_t port_id,
2474                         struct rte_eth_mirror_conf *mirror_conf,
2475                         uint8_t rule_id, uint8_t on)
2476 {
2477         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2478
2479         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2480         if (mirror_conf->rule_type == 0) {
2481                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2482                 return -EINVAL;
2483         }
2484
2485         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2486                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2487                                 ETH_64_POOLS - 1);
2488                 return -EINVAL;
2489         }
2490
2491         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2492              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2493             (mirror_conf->pool_mask == 0)) {
2494                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2495                 return -EINVAL;
2496         }
2497
2498         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2499             mirror_conf->vlan.vlan_mask == 0) {
2500                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2501                 return -EINVAL;
2502         }
2503
2504         dev = &rte_eth_devices[port_id];
2505         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2506
2507         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2508 }
2509
2510 int
2511 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
2512 {
2513         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2514
2515         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2516
2517         dev = &rte_eth_devices[port_id];
2518         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2519
2520         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2521 }
2522
2523 int
2524 rte_eth_dev_callback_register(uint8_t port_id,
2525                         enum rte_eth_event_type event,
2526                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2527 {
2528         struct rte_eth_dev *dev;
2529         struct rte_eth_dev_callback *user_cb;
2530
2531         if (!cb_fn)
2532                 return -EINVAL;
2533
2534         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2535
2536         dev = &rte_eth_devices[port_id];
2537         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2538
2539         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2540                 if (user_cb->cb_fn == cb_fn &&
2541                         user_cb->cb_arg == cb_arg &&
2542                         user_cb->event == event) {
2543                         break;
2544                 }
2545         }
2546
2547         /* create a new callback. */
2548         if (user_cb == NULL)
2549                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2550                                         sizeof(struct rte_eth_dev_callback), 0);
2551         if (user_cb != NULL) {
2552                 user_cb->cb_fn = cb_fn;
2553                 user_cb->cb_arg = cb_arg;
2554                 user_cb->event = event;
2555                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2556         }
2557
2558         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2559         return (user_cb == NULL) ? -ENOMEM : 0;
2560 }
2561
2562 int
2563 rte_eth_dev_callback_unregister(uint8_t port_id,
2564                         enum rte_eth_event_type event,
2565                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2566 {
2567         int ret;
2568         struct rte_eth_dev *dev;
2569         struct rte_eth_dev_callback *cb, *next;
2570
2571         if (!cb_fn)
2572                 return -EINVAL;
2573
2574         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2575
2576         dev = &rte_eth_devices[port_id];
2577         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2578
2579         ret = 0;
2580         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2581
2582                 next = TAILQ_NEXT(cb, next);
2583
2584                 if (cb->cb_fn != cb_fn || cb->event != event ||
2585                                 (cb->cb_arg != (void *)-1 &&
2586                                 cb->cb_arg != cb_arg))
2587                         continue;
2588
2589                 /*
2590                  * if this callback is not executing right now,
2591                  * then remove it.
2592                  */
2593                 if (cb->active == 0) {
2594                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2595                         rte_free(cb);
2596                 } else {
2597                         ret = -EAGAIN;
2598                 }
2599         }
2600
2601         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2602         return ret;
2603 }
2604
2605 void
2606 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2607         enum rte_eth_event_type event)
2608 {
2609         struct rte_eth_dev_callback *cb_lst;
2610         struct rte_eth_dev_callback dev_cb;
2611
2612         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2613         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2614                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2615                         continue;
2616                 dev_cb = *cb_lst;
2617                 cb_lst->active = 1;
2618                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2619                 dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2620                                                 dev_cb.cb_arg);
2621                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2622                 cb_lst->active = 0;
2623         }
2624         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2625 }
2626
2627 int
2628 rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
2629 {
2630         uint32_t vec;
2631         struct rte_eth_dev *dev;
2632         struct rte_intr_handle *intr_handle;
2633         uint16_t qid;
2634         int rc;
2635
2636         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2637
2638         dev = &rte_eth_devices[port_id];
2639         intr_handle = &dev->pci_dev->intr_handle;
2640         if (!intr_handle->intr_vec) {
2641                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2642                 return -EPERM;
2643         }
2644
2645         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
2646                 vec = intr_handle->intr_vec[qid];
2647                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2648                 if (rc && rc != -EEXIST) {
2649                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2650                                         " op %d epfd %d vec %u\n",
2651                                         port_id, qid, op, epfd, vec);
2652                 }
2653         }
2654
2655         return 0;
2656 }
2657
2658 const struct rte_memzone *
2659 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
2660                          uint16_t queue_id, size_t size, unsigned align,
2661                          int socket_id)
2662 {
2663         char z_name[RTE_MEMZONE_NAMESIZE];
2664         const struct rte_memzone *mz;
2665
2666         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
2667                  dev->driver->pci_drv.name, ring_name,
2668                  dev->data->port_id, queue_id);
2669
2670         mz = rte_memzone_lookup(z_name);
2671         if (mz)
2672                 return mz;
2673
2674         if (rte_xen_dom0_supported())
2675                 return rte_memzone_reserve_bounded(z_name, size, socket_id,
2676                                                    0, align, RTE_PGSIZE_2M);
2677         else
2678                 return rte_memzone_reserve_aligned(z_name, size, socket_id,
2679                                                    0, align);
2680 }
2681
2682 int
2683 rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
2684                           int epfd, int op, void *data)
2685 {
2686         uint32_t vec;
2687         struct rte_eth_dev *dev;
2688         struct rte_intr_handle *intr_handle;
2689         int rc;
2690
2691         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2692
2693         dev = &rte_eth_devices[port_id];
2694         if (queue_id >= dev->data->nb_rx_queues) {
2695                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
2696                 return -EINVAL;
2697         }
2698
2699         intr_handle = &dev->pci_dev->intr_handle;
2700         if (!intr_handle->intr_vec) {
2701                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2702                 return -EPERM;
2703         }
2704
2705         vec = intr_handle->intr_vec[queue_id];
2706         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2707         if (rc && rc != -EEXIST) {
2708                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2709                                 " op %d epfd %d vec %u\n",
2710                                 port_id, queue_id, op, epfd, vec);
2711                 return rc;
2712         }
2713
2714         return 0;
2715 }
2716
2717 int
2718 rte_eth_dev_rx_intr_enable(uint8_t port_id,
2719                            uint16_t queue_id)
2720 {
2721         struct rte_eth_dev *dev;
2722
2723         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2724
2725         dev = &rte_eth_devices[port_id];
2726
2727         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
2728         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
2729 }
2730
2731 int
2732 rte_eth_dev_rx_intr_disable(uint8_t port_id,
2733                             uint16_t queue_id)
2734 {
2735         struct rte_eth_dev *dev;
2736
2737         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2738
2739         dev = &rte_eth_devices[port_id];
2740
2741         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
2742         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
2743 }
2744
2745 #ifdef RTE_NIC_BYPASS
2746 int rte_eth_dev_bypass_init(uint8_t port_id)
2747 {
2748         struct rte_eth_dev *dev;
2749
2750         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2751
2752         dev = &rte_eth_devices[port_id];
2753         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_init, -ENOTSUP);
2754         (*dev->dev_ops->bypass_init)(dev);
2755         return 0;
2756 }
2757
2758 int
2759 rte_eth_dev_bypass_state_show(uint8_t port_id, uint32_t *state)
2760 {
2761         struct rte_eth_dev *dev;
2762
2763         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2764
2765         dev = &rte_eth_devices[port_id];
2766         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2767         (*dev->dev_ops->bypass_state_show)(dev, state);
2768         return 0;
2769 }
2770
2771 int
2772 rte_eth_dev_bypass_state_set(uint8_t port_id, uint32_t *new_state)
2773 {
2774         struct rte_eth_dev *dev;
2775
2776         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2777
2778         dev = &rte_eth_devices[port_id];
2779         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_set, -ENOTSUP);
2780         (*dev->dev_ops->bypass_state_set)(dev, new_state);
2781         return 0;
2782 }
2783
2784 int
2785 rte_eth_dev_bypass_event_show(uint8_t port_id, uint32_t event, uint32_t *state)
2786 {
2787         struct rte_eth_dev *dev;
2788
2789         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2790
2791         dev = &rte_eth_devices[port_id];
2792         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2793         (*dev->dev_ops->bypass_event_show)(dev, event, state);
2794         return 0;
2795 }
2796
2797 int
2798 rte_eth_dev_bypass_event_store(uint8_t port_id, uint32_t event, uint32_t state)
2799 {
2800         struct rte_eth_dev *dev;
2801
2802         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2803
2804         dev = &rte_eth_devices[port_id];
2805
2806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_event_set, -ENOTSUP);
2807         (*dev->dev_ops->bypass_event_set)(dev, event, state);
2808         return 0;
2809 }
2810
2811 int
2812 rte_eth_dev_wd_timeout_store(uint8_t port_id, uint32_t timeout)
2813 {
2814         struct rte_eth_dev *dev;
2815
2816         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2817
2818         dev = &rte_eth_devices[port_id];
2819
2820         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_set, -ENOTSUP);
2821         (*dev->dev_ops->bypass_wd_timeout_set)(dev, timeout);
2822         return 0;
2823 }
2824
2825 int
2826 rte_eth_dev_bypass_ver_show(uint8_t port_id, uint32_t *ver)
2827 {
2828         struct rte_eth_dev *dev;
2829
2830         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2831
2832         dev = &rte_eth_devices[port_id];
2833
2834         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_ver_show, -ENOTSUP);
2835         (*dev->dev_ops->bypass_ver_show)(dev, ver);
2836         return 0;
2837 }
2838
2839 int
2840 rte_eth_dev_bypass_wd_timeout_show(uint8_t port_id, uint32_t *wd_timeout)
2841 {
2842         struct rte_eth_dev *dev;
2843
2844         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2845
2846         dev = &rte_eth_devices[port_id];
2847
2848         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_show, -ENOTSUP);
2849         (*dev->dev_ops->bypass_wd_timeout_show)(dev, wd_timeout);
2850         return 0;
2851 }
2852
2853 int
2854 rte_eth_dev_bypass_wd_reset(uint8_t port_id)
2855 {
2856         struct rte_eth_dev *dev;
2857
2858         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2859
2860         dev = &rte_eth_devices[port_id];
2861
2862         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_reset, -ENOTSUP);
2863         (*dev->dev_ops->bypass_wd_reset)(dev);
2864         return 0;
2865 }
2866 #endif
2867
2868 int
2869 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
2870 {
2871         struct rte_eth_dev *dev;
2872
2873         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2874
2875         dev = &rte_eth_devices[port_id];
2876         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2877         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
2878                                 RTE_ETH_FILTER_NOP, NULL);
2879 }
2880
2881 int
2882 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
2883                        enum rte_filter_op filter_op, void *arg)
2884 {
2885         struct rte_eth_dev *dev;
2886
2887         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2888
2889         dev = &rte_eth_devices[port_id];
2890         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2891         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
2892 }
2893
2894 void *
2895 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
2896                 rte_rx_callback_fn fn, void *user_param)
2897 {
2898 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2899         rte_errno = ENOTSUP;
2900         return NULL;
2901 #endif
2902         /* check input parameters */
2903         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2904                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2905                 rte_errno = EINVAL;
2906                 return NULL;
2907         }
2908
2909         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2910
2911         if (cb == NULL) {
2912                 rte_errno = ENOMEM;
2913                 return NULL;
2914         }
2915
2916         cb->fn.rx = fn;
2917         cb->param = user_param;
2918
2919         /* Add the callbacks in fifo order. */
2920         struct rte_eth_rxtx_callback *tail =
2921                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
2922
2923         if (!tail) {
2924                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
2925
2926         } else {
2927                 while (tail->next)
2928                         tail = tail->next;
2929                 tail->next = cb;
2930         }
2931
2932         return cb;
2933 }
2934
2935 void *
2936 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
2937                 rte_tx_callback_fn fn, void *user_param)
2938 {
2939 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2940         rte_errno = ENOTSUP;
2941         return NULL;
2942 #endif
2943         /* check input parameters */
2944         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2945                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
2946                 rte_errno = EINVAL;
2947                 return NULL;
2948         }
2949
2950         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2951
2952         if (cb == NULL) {
2953                 rte_errno = ENOMEM;
2954                 return NULL;
2955         }
2956
2957         cb->fn.tx = fn;
2958         cb->param = user_param;
2959
2960         /* Add the callbacks in fifo order. */
2961         struct rte_eth_rxtx_callback *tail =
2962                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
2963
2964         if (!tail) {
2965                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
2966
2967         } else {
2968                 while (tail->next)
2969                         tail = tail->next;
2970                 tail->next = cb;
2971         }
2972
2973         return cb;
2974 }
2975
2976 int
2977 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
2978                 struct rte_eth_rxtx_callback *user_cb)
2979 {
2980 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2981         return -ENOTSUP;
2982 #endif
2983         /* Check input parameters. */
2984         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2985         if (user_cb == NULL ||
2986                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
2987                 return -EINVAL;
2988
2989         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2990         struct rte_eth_rxtx_callback *cb = dev->post_rx_burst_cbs[queue_id];
2991         struct rte_eth_rxtx_callback *prev_cb;
2992
2993         /* Reset head pointer and remove user cb if first in the list. */
2994         if (cb == user_cb) {
2995                 dev->post_rx_burst_cbs[queue_id] = user_cb->next;
2996                 return 0;
2997         }
2998
2999         /* Remove the user cb from the callback list. */
3000         do {
3001                 prev_cb = cb;
3002                 cb = cb->next;
3003
3004                 if (cb == user_cb) {
3005                         prev_cb->next = user_cb->next;
3006                         return 0;
3007                 }
3008
3009         } while (cb != NULL);
3010
3011         /* Callback wasn't found. */
3012         return -EINVAL;
3013 }
3014
3015 int
3016 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3017                 struct rte_eth_rxtx_callback *user_cb)
3018 {
3019 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3020         return -ENOTSUP;
3021 #endif
3022         /* Check input parameters. */
3023         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3024         if (user_cb == NULL ||
3025                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3026                 return -EINVAL;
3027
3028         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3029         struct rte_eth_rxtx_callback *cb = dev->pre_tx_burst_cbs[queue_id];
3030         struct rte_eth_rxtx_callback *prev_cb;
3031
3032         /* Reset head pointer and remove user cb if first in the list. */
3033         if (cb == user_cb) {
3034                 dev->pre_tx_burst_cbs[queue_id] = user_cb->next;
3035                 return 0;
3036         }
3037
3038         /* Remove the user cb from the callback list. */
3039         do {
3040                 prev_cb = cb;
3041                 cb = cb->next;
3042
3043                 if (cb == user_cb) {
3044                         prev_cb->next = user_cb->next;
3045                         return 0;
3046                 }
3047
3048         } while (cb != NULL);
3049
3050         /* Callback wasn't found. */
3051         return -EINVAL;
3052 }
3053
3054 int
3055 rte_eth_rx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3056         struct rte_eth_rxq_info *qinfo)
3057 {
3058         struct rte_eth_dev *dev;
3059
3060         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3061
3062         if (qinfo == NULL)
3063                 return -EINVAL;
3064
3065         dev = &rte_eth_devices[port_id];
3066         if (queue_id >= dev->data->nb_rx_queues) {
3067                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3068                 return -EINVAL;
3069         }
3070
3071         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3072
3073         memset(qinfo, 0, sizeof(*qinfo));
3074         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3075         return 0;
3076 }
3077
3078 int
3079 rte_eth_tx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3080         struct rte_eth_txq_info *qinfo)
3081 {
3082         struct rte_eth_dev *dev;
3083
3084         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3085
3086         if (qinfo == NULL)
3087                 return -EINVAL;
3088
3089         dev = &rte_eth_devices[port_id];
3090         if (queue_id >= dev->data->nb_tx_queues) {
3091                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3092                 return -EINVAL;
3093         }
3094
3095         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3096
3097         memset(qinfo, 0, sizeof(*qinfo));
3098         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3099         return 0;
3100 }
3101
3102 int
3103 rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3104                              struct ether_addr *mc_addr_set,
3105                              uint32_t nb_mc_addr)
3106 {
3107         struct rte_eth_dev *dev;
3108
3109         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3110
3111         dev = &rte_eth_devices[port_id];
3112         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3113         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3114 }
3115
3116 int
3117 rte_eth_timesync_enable(uint8_t port_id)
3118 {
3119         struct rte_eth_dev *dev;
3120
3121         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3122         dev = &rte_eth_devices[port_id];
3123
3124         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3125         return (*dev->dev_ops->timesync_enable)(dev);
3126 }
3127
3128 int
3129 rte_eth_timesync_disable(uint8_t port_id)
3130 {
3131         struct rte_eth_dev *dev;
3132
3133         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3134         dev = &rte_eth_devices[port_id];
3135
3136         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3137         return (*dev->dev_ops->timesync_disable)(dev);
3138 }
3139
3140 int
3141 rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
3142                                    uint32_t flags)
3143 {
3144         struct rte_eth_dev *dev;
3145
3146         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3147         dev = &rte_eth_devices[port_id];
3148
3149         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3150         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3151 }
3152
3153 int
3154 rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
3155 {
3156         struct rte_eth_dev *dev;
3157
3158         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3159         dev = &rte_eth_devices[port_id];
3160
3161         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3162         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3163 }
3164
3165 int
3166 rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta)
3167 {
3168         struct rte_eth_dev *dev;
3169
3170         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3171         dev = &rte_eth_devices[port_id];
3172
3173         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3174         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3175 }
3176
3177 int
3178 rte_eth_timesync_read_time(uint8_t port_id, struct timespec *timestamp)
3179 {
3180         struct rte_eth_dev *dev;
3181
3182         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3183         dev = &rte_eth_devices[port_id];
3184
3185         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3186         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3187 }
3188
3189 int
3190 rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *timestamp)
3191 {
3192         struct rte_eth_dev *dev;
3193
3194         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3195         dev = &rte_eth_devices[port_id];
3196
3197         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3198         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3199 }
3200
3201 int
3202 rte_eth_dev_get_reg_length(uint8_t port_id)
3203 {
3204         struct rte_eth_dev *dev;
3205
3206         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3207
3208         dev = &rte_eth_devices[port_id];
3209         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg_length, -ENOTSUP);
3210         return (*dev->dev_ops->get_reg_length)(dev);
3211 }
3212
3213 int
3214 rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info)
3215 {
3216         struct rte_eth_dev *dev;
3217
3218         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3219
3220         dev = &rte_eth_devices[port_id];
3221         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3222         return (*dev->dev_ops->get_reg)(dev, info);
3223 }
3224
3225 int
3226 rte_eth_dev_get_eeprom_length(uint8_t port_id)
3227 {
3228         struct rte_eth_dev *dev;
3229
3230         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3231
3232         dev = &rte_eth_devices[port_id];
3233         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3234         return (*dev->dev_ops->get_eeprom_length)(dev);
3235 }
3236
3237 int
3238 rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3239 {
3240         struct rte_eth_dev *dev;
3241
3242         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3243
3244         dev = &rte_eth_devices[port_id];
3245         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3246         return (*dev->dev_ops->get_eeprom)(dev, info);
3247 }
3248
3249 int
3250 rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3251 {
3252         struct rte_eth_dev *dev;
3253
3254         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3255
3256         dev = &rte_eth_devices[port_id];
3257         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3258         return (*dev->dev_ops->set_eeprom)(dev, info);
3259 }
3260
3261 int
3262 rte_eth_dev_get_dcb_info(uint8_t port_id,
3263                              struct rte_eth_dcb_info *dcb_info)
3264 {
3265         struct rte_eth_dev *dev;
3266
3267         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3268
3269         dev = &rte_eth_devices[port_id];
3270         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3271
3272         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3273         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3274 }
3275
3276 void
3277 rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct rte_pci_device *pci_dev)
3278 {
3279         if ((eth_dev == NULL) || (pci_dev == NULL)) {
3280                 RTE_PMD_DEBUG_TRACE("NULL pointer eth_dev=%p pci_dev=%p\n",
3281                                 eth_dev, pci_dev);
3282                 return;
3283         }
3284
3285         eth_dev->data->dev_flags = 0;
3286         if (pci_dev->driver->drv_flags & RTE_PCI_DRV_INTR_LSC)
3287                 eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
3288         if (pci_dev->driver->drv_flags & RTE_PCI_DRV_DETACHABLE)
3289                 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
3290
3291         eth_dev->data->kdrv = pci_dev->kdrv;
3292         eth_dev->data->numa_node = pci_dev->numa_node;
3293         eth_dev->data->drv_name = pci_dev->driver->name;
3294 }
3295
3296 int
3297 rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
3298                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3299 {
3300         struct rte_eth_dev *dev;
3301
3302         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3303         if (l2_tunnel == NULL) {
3304                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3305                 return -EINVAL;
3306         }
3307
3308         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3309                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3310                 return -EINVAL;
3311         }
3312
3313         dev = &rte_eth_devices[port_id];
3314         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3315                                 -ENOTSUP);
3316         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3317 }
3318
3319 int
3320 rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
3321                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3322                                   uint32_t mask,
3323                                   uint8_t en)
3324 {
3325         struct rte_eth_dev *dev;
3326
3327         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3328
3329         if (l2_tunnel == NULL) {
3330                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3331                 return -EINVAL;
3332         }
3333
3334         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3335                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3336                 return -EINVAL;
3337         }
3338
3339         if (mask == 0) {
3340                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3341                 return -EINVAL;
3342         }
3343
3344         dev = &rte_eth_devices[port_id];
3345         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3346                                 -ENOTSUP);
3347         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3348 }