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         if (!rte_eth_dev_is_valid_port(port_id))
 373                 return -1;
 374         return rte_eth_devices[port_id].data->numa_node;
 375 }
 376
 377 uint8_t
 378 rte_eth_dev_count(void)
 379 {
 380         return nb_ports;
 381 }
 382
 383 static enum rte_eth_dev_type
 384 rte_eth_dev_get_device_type(uint8_t port_id)
 385 {
 386         if (!rte_eth_dev_is_valid_port(port_id))
 387                 return RTE_ETH_DEV_UNKNOWN;
 388         return rte_eth_devices[port_id].dev_type;
 389 }
 390
 391 static int
 392 rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr)
 393 {
 394         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 395
 396         if (addr == NULL) {
 397                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 398                 return -EINVAL;
 399         }
 400
 401         *addr = rte_eth_devices[port_id].pci_dev->addr;
 402         return 0;
 403 }
 404
 405 static int
 406 rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
 407 {
 408         char *tmp;
 409
 410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 411
 412         if (name == NULL) {
 413                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 414                 return -EINVAL;
 415         }
 416
 417         /* shouldn't check 'rte_eth_devices[i].data',
 418          * because it might be overwritten by VDEV PMD */
 419         tmp = rte_eth_dev_data[port_id].name;
 420         strcpy(name, tmp);
 421         return 0;
 422 }
 423
 424 static int
 425 rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id)
 426 {
 427         int i;
 428
 429         if (name == NULL) {
 430                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 431                 return -EINVAL;
 432         }
 433
 434         *port_id = RTE_MAX_ETHPORTS;
 435
 436         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 437
 438                 if (!strncmp(name,
 439                         rte_eth_dev_data[i].name, strlen(name))) {
 440
 441                         *port_id = i;
 442
 443                         return 0;
 444                 }
 445         }
 446         return -ENODEV;
 447 }
 448
 449 static int
 450 rte_eth_dev_get_port_by_addr(const struct rte_pci_addr *addr, uint8_t *port_id)
 451 {
 452         int i;
 453         struct rte_pci_device *pci_dev = NULL;
 454
 455         if (addr == NULL) {
 456                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 457                 return -EINVAL;
 458         }
 459
 460         *port_id = RTE_MAX_ETHPORTS;
 461
 462         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 463
 464                 pci_dev = rte_eth_devices[i].pci_dev;
 465
 466                 if (pci_dev &&
 467                         !rte_eal_compare_pci_addr(&pci_dev->addr, addr)) {
 468
 469                         *port_id = i;
 470
 471                         return 0;
 472                 }
 473         }
 474         return -ENODEV;
 475 }
 476
 477 static int
 478 rte_eth_dev_is_detachable(uint8_t port_id)
 479 {
 480         uint32_t dev_flags;
 481
 482         if (!rte_eth_dev_is_valid_port(port_id)) {
 483                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
 484                 return -EINVAL;
 485         }
 486
 487         switch (rte_eth_devices[port_id].data->kdrv) {
 488         case RTE_KDRV_IGB_UIO:
 489         case RTE_KDRV_UIO_GENERIC:
 490         case RTE_KDRV_NIC_UIO:
 491         case RTE_KDRV_NONE:
 492                 break;
 493         case RTE_KDRV_VFIO:
 494         default:
 495                 return -ENOTSUP;
 496         }
 497         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 498         if ((dev_flags & RTE_ETH_DEV_DETACHABLE) &&
 499                 (!(dev_flags & RTE_ETH_DEV_BONDED_SLAVE)))
 500                 return 0;
 501         else
 502                 return 1;
 503 }
 504
 505 /* attach the new physical device, then store port_id of the device */
 506 static int
 507 rte_eth_dev_attach_pdev(struct rte_pci_addr *addr, uint8_t *port_id)
 508 {
 509         /* re-construct pci_device_list */
 510         if (rte_eal_pci_scan())
 511                 goto err;
 512         /* Invoke probe func of the driver can handle the new device. */
 513         if (rte_eal_pci_probe_one(addr))
 514                 goto err;
 515
 516         if (rte_eth_dev_get_port_by_addr(addr, port_id))
 517                 goto err;
 518
 519         return 0;
 520 err:
 521         return -1;
 522 }
 523
 524 /* detach the new physical device, then store pci_addr of the device */
 525 static int
 526 rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr)
 527 {
 528         struct rte_pci_addr freed_addr;
 529         struct rte_pci_addr vp;
 530
 531         /* get pci address by port id */
 532         if (rte_eth_dev_get_addr_by_port(port_id, &freed_addr))
 533                 goto err;
 534
 535         /* Zeroed pci addr means the port comes from virtual device */
 536         vp.domain = vp.bus = vp.devid = vp.function = 0;
 537         if (rte_eal_compare_pci_addr(&vp, &freed_addr) == 0)
 538                 goto err;
 539
 540         /* invoke devuninit func of the pci driver,
 541          * also remove the device from pci_device_list */
 542         if (rte_eal_pci_detach(&freed_addr))
 543                 goto err;
 544
 545         *addr = freed_addr;
 546         return 0;
 547 err:
 548         return -1;
 549 }
 550
 551 /* attach the new virtual device, then store port_id of the device */
 552 static int
 553 rte_eth_dev_attach_vdev(const char *vdevargs, uint8_t *port_id)
 554 {
 555         char *name = NULL, *args = NULL;
 556         int ret = -1;
 557
 558         /* parse vdevargs, then retrieve device name and args */
 559         if (rte_eal_parse_devargs_str(vdevargs, &name, &args))
 560                 goto end;
 561
 562         /* walk around dev_driver_list to find the driver of the device,
 563          * then invoke probe function of the driver.
 564          * rte_eal_vdev_init() updates port_id allocated after
 565          * initialization.
 566          */
 567         if (rte_eal_vdev_init(name, args))
 568                 goto end;
 569
 570         if (rte_eth_dev_get_port_by_name(name, port_id))
 571                 goto end;
 572
 573         ret = 0;
 574 end:
 575         free(name);
 576         free(args);
 577
 578         return ret;
 579 }
 580
 581 /* detach the new virtual device, then store the name of the device */
 582 static int
 583 rte_eth_dev_detach_vdev(uint8_t port_id, char *vdevname)
 584 {
 585         char name[RTE_ETH_NAME_MAX_LEN];
 586
 587         /* get device name by port id */
 588         if (rte_eth_dev_get_name_by_port(port_id, name))
 589                 goto err;
 590         /* walk around dev_driver_list to find the driver of the device,
 591          * then invoke uninit function of the driver */
 592         if (rte_eal_vdev_uninit(name))
 593                 goto err;
 594
 595         strncpy(vdevname, name, sizeof(name));
 596         return 0;
 597 err:
 598         return -1;
 599 }
 600
 601 /* attach the new device, then store port_id of the device */
 602 int
 603 rte_eth_dev_attach(const char *devargs, uint8_t *port_id)
 604 {
 605         struct rte_pci_addr addr;
 606         int ret = -1;
 607
 608         if ((devargs == NULL) || (port_id == NULL)) {
 609                 ret = -EINVAL;
 610                 goto err;
 611         }
 612
 613         if (eal_parse_pci_DomBDF(devargs, &addr) == 0) {
 614                 ret = rte_eth_dev_attach_pdev(&addr, port_id);
 615                 if (ret < 0)
 616                         goto err;
 617         } else {
 618                 ret = rte_eth_dev_attach_vdev(devargs, port_id);
 619                 if (ret < 0)
 620                         goto err;
 621         }
 622
 623         return 0;
 624 err:
 625         RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n");
 626         return ret;
 627 }
 628
 629 /* detach the device, then store the name of the device */
 630 int
 631 rte_eth_dev_detach(uint8_t port_id, char *name)
 632 {
 633         struct rte_pci_addr addr;
 634         int ret = -1;
 635
 636         if (name == NULL) {
 637                 ret = -EINVAL;
 638                 goto err;
 639         }
 640
 641         /* check whether the driver supports detach feature, or not */
 642         if (rte_eth_dev_is_detachable(port_id))
 643                 goto err;
 644
 645         if (rte_eth_dev_get_device_type(port_id) == RTE_ETH_DEV_PCI) {
 646                 ret = rte_eth_dev_get_addr_by_port(port_id, &addr);
 647                 if (ret < 0)
 648                         goto err;
 649
 650                 ret = rte_eth_dev_detach_pdev(port_id, &addr);
 651                 if (ret < 0)
 652                         goto err;
 653
 654                 snprintf(name, RTE_ETH_NAME_MAX_LEN,
 655                         "%04x:%02x:%02x.%d",
 656                         addr.domain, addr.bus,
 657                         addr.devid, addr.function);
 658         } else {
 659                 ret = rte_eth_dev_detach_vdev(port_id, name);
 660                 if (ret < 0)
 661                         goto err;
 662         }
 663
 664         return 0;
 665
 666 err:
 667         RTE_LOG(ERR, EAL, "Driver, cannot detach the device\n");
 668         return ret;
 669 }
 670
 671 static int
 672 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 673 {
 674         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 675         void **rxq;
 676         unsigned i;
 677
 678         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 679                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 680                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 681                                 RTE_CACHE_LINE_SIZE);
 682                 if (dev->data->rx_queues == NULL) {
 683                         dev->data->nb_rx_queues = 0;
 684                         return -(ENOMEM);
 685                 }
 686         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 687                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 688
 689                 rxq = dev->data->rx_queues;
 690
 691                 for (i = nb_queues; i < old_nb_queues; i++)
 692                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 693                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 694                                 RTE_CACHE_LINE_SIZE);
 695                 if (rxq == NULL)
 696                         return -(ENOMEM);
 697                 if (nb_queues > old_nb_queues) {
 698                         uint16_t new_qs = nb_queues - old_nb_queues;
 699
 700                         memset(rxq + old_nb_queues, 0,
 701                                 sizeof(rxq[0]) * new_qs);
 702                 }
 703
 704                 dev->data->rx_queues = rxq;
 705
 706         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 707                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 708
 709                 rxq = dev->data->rx_queues;
 710
 711                 for (i = nb_queues; i < old_nb_queues; i++)
 712                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 713         }
 714         dev->data->nb_rx_queues = nb_queues;
 715         return 0;
 716 }
 717
 718 int
 719 rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id)
 720 {
 721         struct rte_eth_dev *dev;
 722
 723         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 724
 725         dev = &rte_eth_devices[port_id];
 726         if (rx_queue_id >= dev->data->nb_rx_queues) {
 727                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 728                 return -EINVAL;
 729         }
 730
 731         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 732
 733         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 734                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 735                         " already started\n",
 736                         rx_queue_id, port_id);
 737                 return 0;
 738         }
 739
 740         return dev->dev_ops->rx_queue_start(dev, rx_queue_id);
 741
 742 }
 743
 744 int
 745 rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id)
 746 {
 747         struct rte_eth_dev *dev;
 748
 749         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 750
 751         dev = &rte_eth_devices[port_id];
 752         if (rx_queue_id >= dev->data->nb_rx_queues) {
 753                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 754                 return -EINVAL;
 755         }
 756
 757         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 758
 759         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 760                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 761                         " already stopped\n",
 762                         rx_queue_id, port_id);
 763                 return 0;
 764         }
 765
 766         return dev->dev_ops->rx_queue_stop(dev, rx_queue_id);
 767
 768 }
 769
 770 int
 771 rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id)
 772 {
 773         struct rte_eth_dev *dev;
 774
 775         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 776
 777         dev = &rte_eth_devices[port_id];
 778         if (tx_queue_id >= dev->data->nb_tx_queues) {
 779                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 780                 return -EINVAL;
 781         }
 782
 783         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 784
 785         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 786                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 787                         " already started\n",
 788                         tx_queue_id, port_id);
 789                 return 0;
 790         }
 791
 792         return dev->dev_ops->tx_queue_start(dev, tx_queue_id);
 793
 794 }
 795
 796 int
 797 rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id)
 798 {
 799         struct rte_eth_dev *dev;
 800
 801         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 802
 803         dev = &rte_eth_devices[port_id];
 804         if (tx_queue_id >= dev->data->nb_tx_queues) {
 805                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 806                 return -EINVAL;
 807         }
 808
 809         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 810
 811         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 812                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 813                         " already stopped\n",
 814                         tx_queue_id, port_id);
 815                 return 0;
 816         }
 817
 818         return dev->dev_ops->tx_queue_stop(dev, tx_queue_id);
 819
 820 }
 821
 822 static int
 823 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 824 {
 825         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 826         void **txq;
 827         unsigned i;
 828
 829         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 830                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 831                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 832                                                    RTE_CACHE_LINE_SIZE);
 833                 if (dev->data->tx_queues == NULL) {
 834                         dev->data->nb_tx_queues = 0;
 835                         return -(ENOMEM);
 836                 }
 837         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 838                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 839
 840                 txq = dev->data->tx_queues;
 841
 842                 for (i = nb_queues; i < old_nb_queues; i++)
 843                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 844                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 845                                   RTE_CACHE_LINE_SIZE);
 846                 if (txq == NULL)
 847                         return -ENOMEM;
 848                 if (nb_queues > old_nb_queues) {
 849                         uint16_t new_qs = nb_queues - old_nb_queues;
 850
 851                         memset(txq + old_nb_queues, 0,
 852                                sizeof(txq[0]) * new_qs);
 853                 }
 854
 855                 dev->data->tx_queues = txq;
 856
 857         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 858                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 859
 860                 txq = dev->data->tx_queues;
 861
 862                 for (i = nb_queues; i < old_nb_queues; i++)
 863                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 864         }
 865         dev->data->nb_tx_queues = nb_queues;
 866         return 0;
 867 }
 868
 869 uint32_t
 870 rte_eth_speed_bitflag(uint32_t speed, int duplex)
 871 {
 872         switch (speed) {
 873         case ETH_SPEED_NUM_10M:
 874                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
 875         case ETH_SPEED_NUM_100M:
 876                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
 877         case ETH_SPEED_NUM_1G:
 878                 return ETH_LINK_SPEED_1G;
 879         case ETH_SPEED_NUM_2_5G:
 880                 return ETH_LINK_SPEED_2_5G;
 881         case ETH_SPEED_NUM_5G:
 882                 return ETH_LINK_SPEED_5G;
 883         case ETH_SPEED_NUM_10G:
 884                 return ETH_LINK_SPEED_10G;
 885         case ETH_SPEED_NUM_20G:
 886                 return ETH_LINK_SPEED_20G;
 887         case ETH_SPEED_NUM_25G:
 888                 return ETH_LINK_SPEED_25G;
 889         case ETH_SPEED_NUM_40G:
 890                 return ETH_LINK_SPEED_40G;
 891         case ETH_SPEED_NUM_50G:
 892                 return ETH_LINK_SPEED_50G;
 893         case ETH_SPEED_NUM_56G:
 894                 return ETH_LINK_SPEED_56G;
 895         case ETH_SPEED_NUM_100G:
 896                 return ETH_LINK_SPEED_100G;
 897         default:
 898                 return 0;
 899         }
 900 }
 901
 902 int
 903 rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 904                       const struct rte_eth_conf *dev_conf)
 905 {
 906         struct rte_eth_dev *dev;
 907         struct rte_eth_dev_info dev_info;
 908         int diag;
 909
 910         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 911
 912         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
 913                 RTE_PMD_DEBUG_TRACE(
 914                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
 915                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
 916                 return -EINVAL;
 917         }
 918
 919         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
 920                 RTE_PMD_DEBUG_TRACE(
 921                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
 922                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
 923                 return -EINVAL;
 924         }
 925
 926         dev = &rte_eth_devices[port_id];
 927
 928         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 929         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 930
 931         if (dev->data->dev_started) {
 932                 RTE_PMD_DEBUG_TRACE(
 933                     "port %d must be stopped to allow configuration\n", port_id);
 934                 return -EBUSY;
 935         }
 936
 937         /* Copy the dev_conf parameter into the dev structure */
 938         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
 939
 940         /*
 941          * Check that the numbers of RX and TX queues are not greater
 942          * than the maximum number of RX and TX queues supported by the
 943          * configured device.
 944          */
 945         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 946
 947         if (nb_rx_q == 0 && nb_tx_q == 0) {
 948                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d both rx and tx queue cannot be 0\n", port_id);
 949                 return -EINVAL;
 950         }
 951
 952         if (nb_rx_q > dev_info.max_rx_queues) {
 953                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
 954                                 port_id, nb_rx_q, dev_info.max_rx_queues);
 955                 return -EINVAL;
 956         }
 957
 958         if (nb_tx_q > dev_info.max_tx_queues) {
 959                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
 960                                 port_id, nb_tx_q, dev_info.max_tx_queues);
 961                 return -EINVAL;
 962         }
 963
 964         /*
 965          * If link state interrupt is enabled, check that the
 966          * device supports it.
 967          */
 968         if ((dev_conf->intr_conf.lsc == 1) &&
 969                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
 970                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
 971                                         dev->data->drv_name);
 972                         return -EINVAL;
 973         }
 974
 975         /*
 976          * If jumbo frames are enabled, check that the maximum RX packet
 977          * length is supported by the configured device.
 978          */
 979         if (dev_conf->rxmode.jumbo_frame == 1) {
 980                 if (dev_conf->rxmode.max_rx_pkt_len >
 981                     dev_info.max_rx_pktlen) {
 982                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 983                                 " > max valid value %u\n",
 984                                 port_id,
 985                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 986                                 (unsigned)dev_info.max_rx_pktlen);
 987                         return -EINVAL;
 988                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
 989                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 990                                 " < min valid value %u\n",
 991                                 port_id,
 992                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 993                                 (unsigned)ETHER_MIN_LEN);
 994                         return -EINVAL;
 995                 }
 996         } else {
 997                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
 998                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
 999                         /* Use default value */
1000                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1001                                                         ETHER_MAX_LEN;
1002         }
1003
1004         /*
1005          * Setup new number of RX/TX queues and reconfigure device.
1006          */
1007         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1008         if (diag != 0) {
1009                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
1010                                 port_id, diag);
1011                 return diag;
1012         }
1013
1014         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1015         if (diag != 0) {
1016                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
1017                                 port_id, diag);
1018                 rte_eth_dev_rx_queue_config(dev, 0);
1019                 return diag;
1020         }
1021
1022         diag = (*dev->dev_ops->dev_configure)(dev);
1023         if (diag != 0) {
1024                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
1025                                 port_id, diag);
1026                 rte_eth_dev_rx_queue_config(dev, 0);
1027                 rte_eth_dev_tx_queue_config(dev, 0);
1028                 return diag;
1029         }
1030
1031         return 0;
1032 }
1033
1034 static void
1035 rte_eth_dev_config_restore(uint8_t port_id)
1036 {
1037         struct rte_eth_dev *dev;
1038         struct rte_eth_dev_info dev_info;
1039         struct ether_addr addr;
1040         uint16_t i;
1041         uint32_t pool = 0;
1042
1043         dev = &rte_eth_devices[port_id];
1044
1045         rte_eth_dev_info_get(port_id, &dev_info);
1046
1047         if (RTE_ETH_DEV_SRIOV(dev).active)
1048                 pool = RTE_ETH_DEV_SRIOV(dev).def_vmdq_idx;
1049
1050         /* replay MAC address configuration */
1051         for (i = 0; i < dev_info.max_mac_addrs; i++) {
1052                 addr = dev->data->mac_addrs[i];
1053
1054                 /* skip zero address */
1055                 if (is_zero_ether_addr(&addr))
1056                         continue;
1057
1058                 /* add address to the hardware */
1059                 if  (*dev->dev_ops->mac_addr_add &&
1060                         (dev->data->mac_pool_sel[i] & (1ULL << pool)))
1061                         (*dev->dev_ops->mac_addr_add)(dev, &addr, i, pool);
1062                 else {
1063                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array not supported\n",
1064                                         port_id);
1065                         /* exit the loop but not return an error */
1066                         break;
1067                 }
1068         }
1069
1070         /* replay promiscuous configuration */
1071         if (rte_eth_promiscuous_get(port_id) == 1)
1072                 rte_eth_promiscuous_enable(port_id);
1073         else if (rte_eth_promiscuous_get(port_id) == 0)
1074                 rte_eth_promiscuous_disable(port_id);
1075
1076         /* replay all multicast configuration */
1077         if (rte_eth_allmulticast_get(port_id) == 1)
1078                 rte_eth_allmulticast_enable(port_id);
1079         else if (rte_eth_allmulticast_get(port_id) == 0)
1080                 rte_eth_allmulticast_disable(port_id);
1081 }
1082
1083 int
1084 rte_eth_dev_start(uint8_t port_id)
1085 {
1086         struct rte_eth_dev *dev;
1087         int diag;
1088
1089         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1090
1091         dev = &rte_eth_devices[port_id];
1092
1093         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1094
1095         if (dev->data->dev_started != 0) {
1096                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1097                         " already started\n",
1098                         port_id);
1099                 return 0;
1100         }
1101
1102         diag = (*dev->dev_ops->dev_start)(dev);
1103         if (diag == 0)
1104                 dev->data->dev_started = 1;
1105         else
1106                 return diag;
1107
1108         rte_eth_dev_config_restore(port_id);
1109
1110         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1111                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1112                 (*dev->dev_ops->link_update)(dev, 0);
1113         }
1114         return 0;
1115 }
1116
1117 void
1118 rte_eth_dev_stop(uint8_t port_id)
1119 {
1120         struct rte_eth_dev *dev;
1121
1122         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1123         dev = &rte_eth_devices[port_id];
1124
1125         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1126
1127         if (dev->data->dev_started == 0) {
1128                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1129                         " already stopped\n",
1130                         port_id);
1131                 return;
1132         }
1133
1134         dev->data->dev_started = 0;
1135         (*dev->dev_ops->dev_stop)(dev);
1136 }
1137
1138 int
1139 rte_eth_dev_set_link_up(uint8_t port_id)
1140 {
1141         struct rte_eth_dev *dev;
1142
1143         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1144
1145         dev = &rte_eth_devices[port_id];
1146
1147         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1148         return (*dev->dev_ops->dev_set_link_up)(dev);
1149 }
1150
1151 int
1152 rte_eth_dev_set_link_down(uint8_t port_id)
1153 {
1154         struct rte_eth_dev *dev;
1155
1156         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1157
1158         dev = &rte_eth_devices[port_id];
1159
1160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1161         return (*dev->dev_ops->dev_set_link_down)(dev);
1162 }
1163
1164 void
1165 rte_eth_dev_close(uint8_t port_id)
1166 {
1167         struct rte_eth_dev *dev;
1168
1169         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1170         dev = &rte_eth_devices[port_id];
1171
1172         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1173         dev->data->dev_started = 0;
1174         (*dev->dev_ops->dev_close)(dev);
1175
1176         rte_free(dev->data->rx_queues);
1177         dev->data->rx_queues = NULL;
1178         rte_free(dev->data->tx_queues);
1179         dev->data->tx_queues = NULL;
1180 }
1181
1182 int
1183 rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
1184                        uint16_t nb_rx_desc, unsigned int socket_id,
1185                        const struct rte_eth_rxconf *rx_conf,
1186                        struct rte_mempool *mp)
1187 {
1188         int ret;
1189         uint32_t mbp_buf_size;
1190         struct rte_eth_dev *dev;
1191         struct rte_eth_dev_info dev_info;
1192
1193         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1194
1195         dev = &rte_eth_devices[port_id];
1196         if (rx_queue_id >= dev->data->nb_rx_queues) {
1197                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1198                 return -EINVAL;
1199         }
1200
1201         if (dev->data->dev_started) {
1202                 RTE_PMD_DEBUG_TRACE(
1203                     "port %d must be stopped to allow configuration\n", port_id);
1204                 return -EBUSY;
1205         }
1206
1207         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1208         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1209
1210         /*
1211          * Check the size of the mbuf data buffer.
1212          * This value must be provided in the private data of the memory pool.
1213          * First check that the memory pool has a valid private data.
1214          */
1215         rte_eth_dev_info_get(port_id, &dev_info);
1216         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1217                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1218                                 mp->name, (int) mp->private_data_size,
1219                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1220                 return -ENOSPC;
1221         }
1222         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1223
1224         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1225                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1226                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1227                                 "=%d)\n",
1228                                 mp->name,
1229                                 (int)mbp_buf_size,
1230                                 (int)(RTE_PKTMBUF_HEADROOM +
1231                                       dev_info.min_rx_bufsize),
1232                                 (int)RTE_PKTMBUF_HEADROOM,
1233                                 (int)dev_info.min_rx_bufsize);
1234                 return -EINVAL;
1235         }
1236
1237         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1238                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1239                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1240
1241                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1242                         "should be: <= %hu, = %hu, and a product of %hu\n",
1243                         nb_rx_desc,
1244                         dev_info.rx_desc_lim.nb_max,
1245                         dev_info.rx_desc_lim.nb_min,
1246                         dev_info.rx_desc_lim.nb_align);
1247                 return -EINVAL;
1248         }
1249
1250         if (rx_conf == NULL)
1251                 rx_conf = &dev_info.default_rxconf;
1252
1253         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1254                                               socket_id, rx_conf, mp);
1255         if (!ret) {
1256                 if (!dev->data->min_rx_buf_size ||
1257                     dev->data->min_rx_buf_size > mbp_buf_size)
1258                         dev->data->min_rx_buf_size = mbp_buf_size;
1259         }
1260
1261         return ret;
1262 }
1263
1264 int
1265 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1266                        uint16_t nb_tx_desc, unsigned int socket_id,
1267                        const struct rte_eth_txconf *tx_conf)
1268 {
1269         struct rte_eth_dev *dev;
1270         struct rte_eth_dev_info dev_info;
1271
1272         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1273
1274         dev = &rte_eth_devices[port_id];
1275         if (tx_queue_id >= dev->data->nb_tx_queues) {
1276                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1277                 return -EINVAL;
1278         }
1279
1280         if (dev->data->dev_started) {
1281                 RTE_PMD_DEBUG_TRACE(
1282                     "port %d must be stopped to allow configuration\n", port_id);
1283                 return -EBUSY;
1284         }
1285
1286         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1287         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1288
1289         rte_eth_dev_info_get(port_id, &dev_info);
1290
1291         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1292             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1293             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1294                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1295                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1296                                 nb_tx_desc,
1297                                 dev_info.tx_desc_lim.nb_max,
1298                                 dev_info.tx_desc_lim.nb_min,
1299                                 dev_info.tx_desc_lim.nb_align);
1300                 return -EINVAL;
1301         }
1302
1303         if (tx_conf == NULL)
1304                 tx_conf = &dev_info.default_txconf;
1305
1306         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1307                                                socket_id, tx_conf);
1308 }
1309
1310 void
1311 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1312                 void *userdata __rte_unused)
1313 {
1314         unsigned i;
1315
1316         for (i = 0; i < unsent; i++)
1317                 rte_pktmbuf_free(pkts[i]);
1318 }
1319
1320 void
1321 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1322                 void *userdata)
1323 {
1324         uint64_t *count = userdata;
1325         unsigned i;
1326
1327         for (i = 0; i < unsent; i++)
1328                 rte_pktmbuf_free(pkts[i]);
1329
1330         *count += unsent;
1331 }
1332
1333 int
1334 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1335                 buffer_tx_error_fn cbfn, void *userdata)
1336 {
1337         buffer->error_callback = cbfn;
1338         buffer->error_userdata = userdata;
1339         return 0;
1340 }
1341
1342 int
1343 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1344 {
1345         if (buffer == NULL)
1346                 return -EINVAL;
1347
1348         buffer->size = size;
1349         if (buffer->error_callback == NULL)
1350                 rte_eth_tx_buffer_set_err_callback(buffer,
1351                                 rte_eth_tx_buffer_drop_callback, NULL);
1352
1353         return 0;
1354 }
1355
1356 void
1357 rte_eth_promiscuous_enable(uint8_t port_id)
1358 {
1359         struct rte_eth_dev *dev;
1360
1361         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1362         dev = &rte_eth_devices[port_id];
1363
1364         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1365         (*dev->dev_ops->promiscuous_enable)(dev);
1366         dev->data->promiscuous = 1;
1367 }
1368
1369 void
1370 rte_eth_promiscuous_disable(uint8_t port_id)
1371 {
1372         struct rte_eth_dev *dev;
1373
1374         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1375         dev = &rte_eth_devices[port_id];
1376
1377         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1378         dev->data->promiscuous = 0;
1379         (*dev->dev_ops->promiscuous_disable)(dev);
1380 }
1381
1382 int
1383 rte_eth_promiscuous_get(uint8_t port_id)
1384 {
1385         struct rte_eth_dev *dev;
1386
1387         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1388
1389         dev = &rte_eth_devices[port_id];
1390         return dev->data->promiscuous;
1391 }
1392
1393 void
1394 rte_eth_allmulticast_enable(uint8_t port_id)
1395 {
1396         struct rte_eth_dev *dev;
1397
1398         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1399         dev = &rte_eth_devices[port_id];
1400
1401         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1402         (*dev->dev_ops->allmulticast_enable)(dev);
1403         dev->data->all_multicast = 1;
1404 }
1405
1406 void
1407 rte_eth_allmulticast_disable(uint8_t port_id)
1408 {
1409         struct rte_eth_dev *dev;
1410
1411         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1412         dev = &rte_eth_devices[port_id];
1413
1414         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1415         dev->data->all_multicast = 0;
1416         (*dev->dev_ops->allmulticast_disable)(dev);
1417 }
1418
1419 int
1420 rte_eth_allmulticast_get(uint8_t port_id)
1421 {
1422         struct rte_eth_dev *dev;
1423
1424         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1425
1426         dev = &rte_eth_devices[port_id];
1427         return dev->data->all_multicast;
1428 }
1429
1430 static inline int
1431 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1432                                 struct rte_eth_link *link)
1433 {
1434         struct rte_eth_link *dst = link;
1435         struct rte_eth_link *src = &(dev->data->dev_link);
1436
1437         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1438                                         *(uint64_t *)src) == 0)
1439                 return -1;
1440
1441         return 0;
1442 }
1443
1444 void
1445 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1446 {
1447         struct rte_eth_dev *dev;
1448
1449         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1450         dev = &rte_eth_devices[port_id];
1451
1452         if (dev->data->dev_conf.intr_conf.lsc != 0)
1453                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1454         else {
1455                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1456                 (*dev->dev_ops->link_update)(dev, 1);
1457                 *eth_link = dev->data->dev_link;
1458         }
1459 }
1460
1461 void
1462 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1463 {
1464         struct rte_eth_dev *dev;
1465
1466         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1467         dev = &rte_eth_devices[port_id];
1468
1469         if (dev->data->dev_conf.intr_conf.lsc != 0)
1470                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1471         else {
1472                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1473                 (*dev->dev_ops->link_update)(dev, 0);
1474                 *eth_link = dev->data->dev_link;
1475         }
1476 }
1477
1478 int
1479 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1480 {
1481         struct rte_eth_dev *dev;
1482
1483         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1484
1485         dev = &rte_eth_devices[port_id];
1486         memset(stats, 0, sizeof(*stats));
1487
1488         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1489         (*dev->dev_ops->stats_get)(dev, stats);
1490         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1491         return 0;
1492 }
1493
1494 void
1495 rte_eth_stats_reset(uint8_t port_id)
1496 {
1497         struct rte_eth_dev *dev;
1498
1499         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1500         dev = &rte_eth_devices[port_id];
1501
1502         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1503         (*dev->dev_ops->stats_reset)(dev);
1504         dev->data->rx_mbuf_alloc_failed = 0;
1505 }
1506
1507 /* retrieve ethdev extended statistics */
1508 int
1509 rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
1510         unsigned n)
1511 {
1512         struct rte_eth_stats eth_stats;
1513         struct rte_eth_dev *dev;
1514         unsigned count = 0, i, q;
1515         signed xcount = 0;
1516         uint64_t val, *stats_ptr;
1517
1518         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1519
1520         dev = &rte_eth_devices[port_id];
1521
1522         /* Return generic statistics */
1523         count = RTE_NB_STATS + (dev->data->nb_rx_queues * RTE_NB_RXQ_STATS) +
1524                 (dev->data->nb_tx_queues * RTE_NB_TXQ_STATS);
1525
1526         /* implemented by the driver */
1527         if (dev->dev_ops->xstats_get != NULL) {
1528                 /* Retrieve the xstats from the driver at the end of the
1529                  * xstats struct.
1530                  */
1531                 xcount = (*dev->dev_ops->xstats_get)(dev,
1532                                      xstats ? xstats + count : NULL,
1533                                      (n > count) ? n - count : 0);
1534
1535                 if (xcount < 0)
1536                         return xcount;
1537         }
1538
1539         if (n < count + xcount || xstats == NULL)
1540                 return count + xcount;
1541
1542         /* now fill the xstats structure */
1543         count = 0;
1544         rte_eth_stats_get(port_id, &eth_stats);
1545
1546         /* global stats */
1547         for (i = 0; i < RTE_NB_STATS; i++) {
1548                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1549                                         rte_stats_strings[i].offset);
1550                 val = *stats_ptr;
1551                 snprintf(xstats[count].name, sizeof(xstats[count].name),
1552                         "%s", rte_stats_strings[i].name);
1553                 xstats[count++].value = val;
1554         }
1555
1556         /* per-rxq stats */
1557         for (q = 0; q < dev->data->nb_rx_queues; q++) {
1558                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1559                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1560                                         rte_rxq_stats_strings[i].offset +
1561                                         q * sizeof(uint64_t));
1562                         val = *stats_ptr;
1563                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1564                                 "rx_q%u_%s", q,
1565                                 rte_rxq_stats_strings[i].name);
1566                         xstats[count++].value = val;
1567                 }
1568         }
1569
1570         /* per-txq stats */
1571         for (q = 0; q < dev->data->nb_tx_queues; q++) {
1572                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1573                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1574                                         rte_txq_stats_strings[i].offset +
1575                                         q * sizeof(uint64_t));
1576                         val = *stats_ptr;
1577                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1578                                 "tx_q%u_%s", q,
1579                                 rte_txq_stats_strings[i].name);
1580                         xstats[count++].value = val;
1581                 }
1582         }
1583
1584         return count + xcount;
1585 }
1586
1587 /* reset ethdev extended statistics */
1588 void
1589 rte_eth_xstats_reset(uint8_t port_id)
1590 {
1591         struct rte_eth_dev *dev;
1592
1593         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1594         dev = &rte_eth_devices[port_id];
1595
1596         /* implemented by the driver */
1597         if (dev->dev_ops->xstats_reset != NULL) {
1598                 (*dev->dev_ops->xstats_reset)(dev);
1599                 return;
1600         }
1601
1602         /* fallback to default */
1603         rte_eth_stats_reset(port_id);
1604 }
1605
1606 static int
1607 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
1608                 uint8_t is_rx)
1609 {
1610         struct rte_eth_dev *dev;
1611
1612         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1613
1614         dev = &rte_eth_devices[port_id];
1615
1616         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1617         return (*dev->dev_ops->queue_stats_mapping_set)
1618                         (dev, queue_id, stat_idx, is_rx);
1619 }
1620
1621
1622 int
1623 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
1624                 uint8_t stat_idx)
1625 {
1626         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1627                         STAT_QMAP_TX);
1628 }
1629
1630
1631 int
1632 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
1633                 uint8_t stat_idx)
1634 {
1635         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1636                         STAT_QMAP_RX);
1637 }
1638
1639
1640 void
1641 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
1642 {
1643         struct rte_eth_dev *dev;
1644         const struct rte_eth_desc_lim lim = {
1645                 .nb_max = UINT16_MAX,
1646                 .nb_min = 0,
1647                 .nb_align = 1,
1648         };
1649
1650         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1651         dev = &rte_eth_devices[port_id];
1652
1653         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
1654         dev_info->rx_desc_lim = lim;
1655         dev_info->tx_desc_lim = lim;
1656
1657         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1658         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1659         dev_info->pci_dev = dev->pci_dev;
1660         dev_info->driver_name = dev->data->drv_name;
1661 }
1662
1663 int
1664 rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
1665                                  uint32_t *ptypes, int num)
1666 {
1667         int i, j;
1668         struct rte_eth_dev *dev;
1669         const uint32_t *all_ptypes;
1670
1671         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1672         dev = &rte_eth_devices[port_id];
1673         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get,
1674                                 -ENOTSUP);
1675         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
1676
1677         if (!all_ptypes)
1678                 return 0;
1679
1680         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
1681                 if (all_ptypes[i] & ptype_mask) {
1682                         if (j < num)
1683                                 ptypes[j] = all_ptypes[i];
1684                         j++;
1685                 }
1686
1687         return j;
1688 }
1689
1690 void
1691 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
1692 {
1693         struct rte_eth_dev *dev;
1694
1695         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1696         dev = &rte_eth_devices[port_id];
1697         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
1698 }
1699
1700
1701 int
1702 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
1703 {
1704         struct rte_eth_dev *dev;
1705
1706         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1707
1708         dev = &rte_eth_devices[port_id];
1709         *mtu = dev->data->mtu;
1710         return 0;
1711 }
1712
1713 int
1714 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
1715 {
1716         int ret;
1717         struct rte_eth_dev *dev;
1718
1719         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1720         dev = &rte_eth_devices[port_id];
1721         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
1722
1723         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
1724         if (!ret)
1725                 dev->data->mtu = mtu;
1726
1727         return ret;
1728 }
1729
1730 int
1731 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
1732 {
1733         struct rte_eth_dev *dev;
1734
1735         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1736         dev = &rte_eth_devices[port_id];
1737         if (!(dev->data->dev_conf.rxmode.hw_vlan_filter)) {
1738                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
1739                 return -ENOSYS;
1740         }
1741
1742         if (vlan_id > 4095) {
1743                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
1744                                 port_id, (unsigned) vlan_id);
1745                 return -EINVAL;
1746         }
1747         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
1748
1749         return (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
1750 }
1751
1752 int
1753 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
1754 {
1755         struct rte_eth_dev *dev;
1756
1757         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1758         dev = &rte_eth_devices[port_id];
1759         if (rx_queue_id >= dev->data->nb_rx_queues) {
1760                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
1761                 return -EINVAL;
1762         }
1763
1764         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
1765         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
1766
1767         return 0;
1768 }
1769
1770 int
1771 rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
1772                                 enum rte_vlan_type vlan_type,
1773                                 uint16_t tpid)
1774 {
1775         struct rte_eth_dev *dev;
1776
1777         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1778         dev = &rte_eth_devices[port_id];
1779         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
1780
1781         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
1782 }
1783
1784 int
1785 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
1786 {
1787         struct rte_eth_dev *dev;
1788         int ret = 0;
1789         int mask = 0;
1790         int cur, org = 0;
1791
1792         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1793         dev = &rte_eth_devices[port_id];
1794
1795         /*check which option changed by application*/
1796         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
1797         org = !!(dev->data->dev_conf.rxmode.hw_vlan_strip);
1798         if (cur != org) {
1799                 dev->data->dev_conf.rxmode.hw_vlan_strip = (uint8_t)cur;
1800                 mask |= ETH_VLAN_STRIP_MASK;
1801         }
1802
1803         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
1804         org = !!(dev->data->dev_conf.rxmode.hw_vlan_filter);
1805         if (cur != org) {
1806                 dev->data->dev_conf.rxmode.hw_vlan_filter = (uint8_t)cur;
1807                 mask |= ETH_VLAN_FILTER_MASK;
1808         }
1809
1810         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
1811         org = !!(dev->data->dev_conf.rxmode.hw_vlan_extend);
1812         if (cur != org) {
1813                 dev->data->dev_conf.rxmode.hw_vlan_extend = (uint8_t)cur;
1814                 mask |= ETH_VLAN_EXTEND_MASK;
1815         }
1816
1817         /*no change*/
1818         if (mask == 0)
1819                 return ret;
1820
1821         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
1822         (*dev->dev_ops->vlan_offload_set)(dev, mask);
1823
1824         return ret;
1825 }
1826
1827 int
1828 rte_eth_dev_get_vlan_offload(uint8_t port_id)
1829 {
1830         struct rte_eth_dev *dev;
1831         int ret = 0;
1832
1833         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1834         dev = &rte_eth_devices[port_id];
1835
1836         if (dev->data->dev_conf.rxmode.hw_vlan_strip)
1837                 ret |= ETH_VLAN_STRIP_OFFLOAD;
1838
1839         if (dev->data->dev_conf.rxmode.hw_vlan_filter)
1840                 ret |= ETH_VLAN_FILTER_OFFLOAD;
1841
1842         if (dev->data->dev_conf.rxmode.hw_vlan_extend)
1843                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
1844
1845         return ret;
1846 }
1847
1848 int
1849 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
1850 {
1851         struct rte_eth_dev *dev;
1852
1853         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1854         dev = &rte_eth_devices[port_id];
1855         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
1856         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
1857
1858         return 0;
1859 }
1860
1861 int
1862 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1863 {
1864         struct rte_eth_dev *dev;
1865
1866         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1867         dev = &rte_eth_devices[port_id];
1868         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
1869         memset(fc_conf, 0, sizeof(*fc_conf));
1870         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
1871 }
1872
1873 int
1874 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1875 {
1876         struct rte_eth_dev *dev;
1877
1878         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1879         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
1880                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
1881                 return -EINVAL;
1882         }
1883
1884         dev = &rte_eth_devices[port_id];
1885         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
1886         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
1887 }
1888
1889 int
1890 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
1891 {
1892         struct rte_eth_dev *dev;
1893
1894         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1895         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
1896                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
1897                 return -EINVAL;
1898         }
1899
1900         dev = &rte_eth_devices[port_id];
1901         /* High water, low water validation are device specific */
1902         if  (*dev->dev_ops->priority_flow_ctrl_set)
1903                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
1904         return -ENOTSUP;
1905 }
1906
1907 static int
1908 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
1909                         uint16_t reta_size)
1910 {
1911         uint16_t i, num;
1912
1913         if (!reta_conf)
1914                 return -EINVAL;
1915
1916         if (reta_size != RTE_ALIGN(reta_size, RTE_RETA_GROUP_SIZE)) {
1917                 RTE_PMD_DEBUG_TRACE("Invalid reta size, should be %u aligned\n",
1918                                                         RTE_RETA_GROUP_SIZE);
1919                 return -EINVAL;
1920         }
1921
1922         num = reta_size / RTE_RETA_GROUP_SIZE;
1923         for (i = 0; i < num; i++) {
1924                 if (reta_conf[i].mask)
1925                         return 0;
1926         }
1927
1928         return -EINVAL;
1929 }
1930
1931 static int
1932 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
1933                          uint16_t reta_size,
1934                          uint16_t max_rxq)
1935 {
1936         uint16_t i, idx, shift;
1937
1938         if (!reta_conf)
1939                 return -EINVAL;
1940
1941         if (max_rxq == 0) {
1942                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
1943                 return -EINVAL;
1944         }
1945
1946         for (i = 0; i < reta_size; i++) {
1947                 idx = i / RTE_RETA_GROUP_SIZE;
1948                 shift = i % RTE_RETA_GROUP_SIZE;
1949                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
1950                         (reta_conf[idx].reta[shift] >= max_rxq)) {
1951                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
1952                                 "the maximum rxq index: %u\n", idx, shift,
1953                                 reta_conf[idx].reta[shift], max_rxq);
1954                         return -EINVAL;
1955                 }
1956         }
1957
1958         return 0;
1959 }
1960
1961 int
1962 rte_eth_dev_rss_reta_update(uint8_t port_id,
1963                             struct rte_eth_rss_reta_entry64 *reta_conf,
1964                             uint16_t reta_size)
1965 {
1966         struct rte_eth_dev *dev;
1967         int ret;
1968
1969         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1970         /* Check mask bits */
1971         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
1972         if (ret < 0)
1973                 return ret;
1974
1975         dev = &rte_eth_devices[port_id];
1976
1977         /* Check entry value */
1978         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
1979                                 dev->data->nb_rx_queues);
1980         if (ret < 0)
1981                 return ret;
1982
1983         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
1984         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
1985 }
1986
1987 int
1988 rte_eth_dev_rss_reta_query(uint8_t port_id,
1989                            struct rte_eth_rss_reta_entry64 *reta_conf,
1990                            uint16_t reta_size)
1991 {
1992         struct rte_eth_dev *dev;
1993         int ret;
1994
1995         if (port_id >= nb_ports) {
1996                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1997                 return -ENODEV;
1998         }
1999
2000         /* Check mask bits */
2001         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2002         if (ret < 0)
2003                 return ret;
2004
2005         dev = &rte_eth_devices[port_id];
2006         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2007         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2008 }
2009
2010 int
2011 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
2012 {
2013         struct rte_eth_dev *dev;
2014         uint16_t rss_hash_protos;
2015
2016         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2017         rss_hash_protos = rss_conf->rss_hf;
2018         if ((rss_hash_protos != 0) &&
2019             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
2020                 RTE_PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
2021                                 rss_hash_protos);
2022                 return -EINVAL;
2023         }
2024         dev = &rte_eth_devices[port_id];
2025         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2026         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2027 }
2028
2029 int
2030 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
2031                               struct rte_eth_rss_conf *rss_conf)
2032 {
2033         struct rte_eth_dev *dev;
2034
2035         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2036         dev = &rte_eth_devices[port_id];
2037         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2038         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2039 }
2040
2041 int
2042 rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
2043                                 struct rte_eth_udp_tunnel *udp_tunnel)
2044 {
2045         struct rte_eth_dev *dev;
2046
2047         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2048         if (udp_tunnel == NULL) {
2049                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2050                 return -EINVAL;
2051         }
2052
2053         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2054                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2055                 return -EINVAL;
2056         }
2057
2058         dev = &rte_eth_devices[port_id];
2059         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2060         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2061 }
2062
2063 int
2064 rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
2065                                    struct rte_eth_udp_tunnel *udp_tunnel)
2066 {
2067         struct rte_eth_dev *dev;
2068
2069         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2070         dev = &rte_eth_devices[port_id];
2071
2072         if (udp_tunnel == NULL) {
2073                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2074                 return -EINVAL;
2075         }
2076
2077         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2078                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2079                 return -EINVAL;
2080         }
2081
2082         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2083         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2084 }
2085
2086 int
2087 rte_eth_led_on(uint8_t port_id)
2088 {
2089         struct rte_eth_dev *dev;
2090
2091         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2092         dev = &rte_eth_devices[port_id];
2093         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2094         return (*dev->dev_ops->dev_led_on)(dev);
2095 }
2096
2097 int
2098 rte_eth_led_off(uint8_t port_id)
2099 {
2100         struct rte_eth_dev *dev;
2101
2102         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2103         dev = &rte_eth_devices[port_id];
2104         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2105         return (*dev->dev_ops->dev_led_off)(dev);
2106 }
2107
2108 /*
2109  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2110  * an empty spot.
2111  */
2112 static int
2113 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2114 {
2115         struct rte_eth_dev_info dev_info;
2116         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2117         unsigned i;
2118
2119         rte_eth_dev_info_get(port_id, &dev_info);
2120
2121         for (i = 0; i < dev_info.max_mac_addrs; i++)
2122                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2123                         return i;
2124
2125         return -1;
2126 }
2127
2128 static const struct ether_addr null_mac_addr;
2129
2130 int
2131 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2132                         uint32_t pool)
2133 {
2134         struct rte_eth_dev *dev;
2135         int index;
2136         uint64_t pool_mask;
2137
2138         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2139         dev = &rte_eth_devices[port_id];
2140         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2141
2142         if (is_zero_ether_addr(addr)) {
2143                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2144                         port_id);
2145                 return -EINVAL;
2146         }
2147         if (pool >= ETH_64_POOLS) {
2148                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2149                 return -EINVAL;
2150         }
2151
2152         index = get_mac_addr_index(port_id, addr);
2153         if (index < 0) {
2154                 index = get_mac_addr_index(port_id, &null_mac_addr);
2155                 if (index < 0) {
2156                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2157                                 port_id);
2158                         return -ENOSPC;
2159                 }
2160         } else {
2161                 pool_mask = dev->data->mac_pool_sel[index];
2162
2163                 /* Check if both MAC address and pool is already there, and do nothing */
2164                 if (pool_mask & (1ULL << pool))
2165                         return 0;
2166         }
2167
2168         /* Update NIC */
2169         (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2170
2171         /* Update address in NIC data structure */
2172         ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2173
2174         /* Update pool bitmap in NIC data structure */
2175         dev->data->mac_pool_sel[index] |= (1ULL << pool);
2176
2177         return 0;
2178 }
2179
2180 int
2181 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2182 {
2183         struct rte_eth_dev *dev;
2184         int index;
2185
2186         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2187         dev = &rte_eth_devices[port_id];
2188         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2189
2190         index = get_mac_addr_index(port_id, addr);
2191         if (index == 0) {
2192                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2193                 return -EADDRINUSE;
2194         } else if (index < 0)
2195                 return 0;  /* Do nothing if address wasn't found */
2196
2197         /* Update NIC */
2198         (*dev->dev_ops->mac_addr_remove)(dev, index);
2199
2200         /* Update address in NIC data structure */
2201         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2202
2203         /* reset pool bitmap */
2204         dev->data->mac_pool_sel[index] = 0;
2205
2206         return 0;
2207 }
2208
2209 int
2210 rte_eth_dev_default_mac_addr_set(uint8_t port_id, struct ether_addr *addr)
2211 {
2212         struct rte_eth_dev *dev;
2213
2214         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2215
2216         if (!is_valid_assigned_ether_addr(addr))
2217                 return -EINVAL;
2218
2219         dev = &rte_eth_devices[port_id];
2220         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2221
2222         /* Update default address in NIC data structure */
2223         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2224
2225         (*dev->dev_ops->mac_addr_set)(dev, addr);
2226
2227         return 0;
2228 }
2229
2230 int
2231 rte_eth_dev_set_vf_rxmode(uint8_t port_id,  uint16_t vf,
2232                                 uint16_t rx_mode, uint8_t on)
2233 {
2234         uint16_t num_vfs;
2235         struct rte_eth_dev *dev;
2236         struct rte_eth_dev_info dev_info;
2237
2238         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2239
2240         dev = &rte_eth_devices[port_id];
2241         rte_eth_dev_info_get(port_id, &dev_info);
2242
2243         num_vfs = dev_info.max_vfs;
2244         if (vf > num_vfs) {
2245                 RTE_PMD_DEBUG_TRACE("set VF RX mode:invalid VF id %d\n", vf);
2246                 return -EINVAL;
2247         }
2248
2249         if (rx_mode == 0) {
2250                 RTE_PMD_DEBUG_TRACE("set VF RX mode:mode mask ca not be zero\n");
2251                 return -EINVAL;
2252         }
2253         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx_mode, -ENOTSUP);
2254         return (*dev->dev_ops->set_vf_rx_mode)(dev, vf, rx_mode, on);
2255 }
2256
2257 /*
2258  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2259  * an empty spot.
2260  */
2261 static int
2262 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2263 {
2264         struct rte_eth_dev_info dev_info;
2265         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2266         unsigned i;
2267
2268         rte_eth_dev_info_get(port_id, &dev_info);
2269         if (!dev->data->hash_mac_addrs)
2270                 return -1;
2271
2272         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2273                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2274                         ETHER_ADDR_LEN) == 0)
2275                         return i;
2276
2277         return -1;
2278 }
2279
2280 int
2281 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2282                                 uint8_t on)
2283 {
2284         int index;
2285         int ret;
2286         struct rte_eth_dev *dev;
2287
2288         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2289
2290         dev = &rte_eth_devices[port_id];
2291         if (is_zero_ether_addr(addr)) {
2292                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2293                         port_id);
2294                 return -EINVAL;
2295         }
2296
2297         index = get_hash_mac_addr_index(port_id, addr);
2298         /* Check if it's already there, and do nothing */
2299         if ((index >= 0) && (on))
2300                 return 0;
2301
2302         if (index < 0) {
2303                 if (!on) {
2304                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2305                                 "set in UTA\n", port_id);
2306                         return -EINVAL;
2307                 }
2308
2309                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2310                 if (index < 0) {
2311                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2312                                         port_id);
2313                         return -ENOSPC;
2314                 }
2315         }
2316
2317         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2318         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2319         if (ret == 0) {
2320                 /* Update address in NIC data structure */
2321                 if (on)
2322                         ether_addr_copy(addr,
2323                                         &dev->data->hash_mac_addrs[index]);
2324                 else
2325                         ether_addr_copy(&null_mac_addr,
2326                                         &dev->data->hash_mac_addrs[index]);
2327         }
2328
2329         return ret;
2330 }
2331
2332 int
2333 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2334 {
2335         struct rte_eth_dev *dev;
2336
2337         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2338
2339         dev = &rte_eth_devices[port_id];
2340
2341         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2342         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2343 }
2344
2345 int
2346 rte_eth_dev_set_vf_rx(uint8_t port_id, uint16_t vf, uint8_t on)
2347 {
2348         uint16_t num_vfs;
2349         struct rte_eth_dev *dev;
2350         struct rte_eth_dev_info dev_info;
2351
2352         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2353
2354         dev = &rte_eth_devices[port_id];
2355         rte_eth_dev_info_get(port_id, &dev_info);
2356
2357         num_vfs = dev_info.max_vfs;
2358         if (vf > num_vfs) {
2359                 RTE_PMD_DEBUG_TRACE("port %d: invalid vf id\n", port_id);
2360                 return -EINVAL;
2361         }
2362
2363         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx, -ENOTSUP);
2364         return (*dev->dev_ops->set_vf_rx)(dev, vf, on);
2365 }
2366
2367 int
2368 rte_eth_dev_set_vf_tx(uint8_t port_id, uint16_t vf, uint8_t on)
2369 {
2370         uint16_t num_vfs;
2371         struct rte_eth_dev *dev;
2372         struct rte_eth_dev_info dev_info;
2373
2374         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2375
2376         dev = &rte_eth_devices[port_id];
2377         rte_eth_dev_info_get(port_id, &dev_info);
2378
2379         num_vfs = dev_info.max_vfs;
2380         if (vf > num_vfs) {
2381                 RTE_PMD_DEBUG_TRACE("set pool tx:invalid pool id=%d\n", vf);
2382                 return -EINVAL;
2383         }
2384
2385         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_tx, -ENOTSUP);
2386         return (*dev->dev_ops->set_vf_tx)(dev, vf, on);
2387 }
2388
2389 int
2390 rte_eth_dev_set_vf_vlan_filter(uint8_t port_id, uint16_t vlan_id,
2391                                uint64_t vf_mask, uint8_t vlan_on)
2392 {
2393         struct rte_eth_dev *dev;
2394
2395         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2396
2397         dev = &rte_eth_devices[port_id];
2398
2399         if (vlan_id > ETHER_MAX_VLAN_ID) {
2400                 RTE_PMD_DEBUG_TRACE("VF VLAN filter:invalid VLAN id=%d\n",
2401                         vlan_id);
2402                 return -EINVAL;
2403         }
2404
2405         if (vf_mask == 0) {
2406                 RTE_PMD_DEBUG_TRACE("VF VLAN filter:pool_mask can not be 0\n");
2407                 return -EINVAL;
2408         }
2409
2410         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_vlan_filter, -ENOTSUP);
2411         return (*dev->dev_ops->set_vf_vlan_filter)(dev, vlan_id,
2412                                                    vf_mask, vlan_on);
2413 }
2414
2415 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2416                                         uint16_t tx_rate)
2417 {
2418         struct rte_eth_dev *dev;
2419         struct rte_eth_dev_info dev_info;
2420         struct rte_eth_link link;
2421
2422         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2423
2424         dev = &rte_eth_devices[port_id];
2425         rte_eth_dev_info_get(port_id, &dev_info);
2426         link = dev->data->dev_link;
2427
2428         if (queue_idx > dev_info.max_tx_queues) {
2429                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2430                                 "invalid queue id=%d\n", port_id, queue_idx);
2431                 return -EINVAL;
2432         }
2433
2434         if (tx_rate > link.link_speed) {
2435                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2436                                 "bigger than link speed= %d\n",
2437                         tx_rate, link.link_speed);
2438                 return -EINVAL;
2439         }
2440
2441         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2442         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2443 }
2444
2445 int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf, uint16_t tx_rate,
2446                                 uint64_t q_msk)
2447 {
2448         struct rte_eth_dev *dev;
2449         struct rte_eth_dev_info dev_info;
2450         struct rte_eth_link link;
2451
2452         if (q_msk == 0)
2453                 return 0;
2454
2455         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2456
2457         dev = &rte_eth_devices[port_id];
2458         rte_eth_dev_info_get(port_id, &dev_info);
2459         link = dev->data->dev_link;
2460
2461         if (vf > dev_info.max_vfs) {
2462                 RTE_PMD_DEBUG_TRACE("set VF rate limit:port %d: "
2463                                 "invalid vf id=%d\n", port_id, vf);
2464                 return -EINVAL;
2465         }
2466
2467         if (tx_rate > link.link_speed) {
2468                 RTE_PMD_DEBUG_TRACE("set VF rate limit:invalid tx_rate=%d, "
2469                                 "bigger than link speed= %d\n",
2470                                 tx_rate, link.link_speed);
2471                 return -EINVAL;
2472         }
2473
2474         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rate_limit, -ENOTSUP);
2475         return (*dev->dev_ops->set_vf_rate_limit)(dev, vf, tx_rate, q_msk);
2476 }
2477
2478 int
2479 rte_eth_mirror_rule_set(uint8_t port_id,
2480                         struct rte_eth_mirror_conf *mirror_conf,
2481                         uint8_t rule_id, uint8_t on)
2482 {
2483         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2484
2485         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2486         if (mirror_conf->rule_type == 0) {
2487                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2488                 return -EINVAL;
2489         }
2490
2491         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2492                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2493                                 ETH_64_POOLS - 1);
2494                 return -EINVAL;
2495         }
2496
2497         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2498              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2499             (mirror_conf->pool_mask == 0)) {
2500                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2501                 return -EINVAL;
2502         }
2503
2504         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2505             mirror_conf->vlan.vlan_mask == 0) {
2506                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2507                 return -EINVAL;
2508         }
2509
2510         dev = &rte_eth_devices[port_id];
2511         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2512
2513         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2514 }
2515
2516 int
2517 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
2518 {
2519         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2520
2521         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2522
2523         dev = &rte_eth_devices[port_id];
2524         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2525
2526         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2527 }
2528
2529 int
2530 rte_eth_dev_callback_register(uint8_t port_id,
2531                         enum rte_eth_event_type event,
2532                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2533 {
2534         struct rte_eth_dev *dev;
2535         struct rte_eth_dev_callback *user_cb;
2536
2537         if (!cb_fn)
2538                 return -EINVAL;
2539
2540         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2541
2542         dev = &rte_eth_devices[port_id];
2543         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2544
2545         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2546                 if (user_cb->cb_fn == cb_fn &&
2547                         user_cb->cb_arg == cb_arg &&
2548                         user_cb->event == event) {
2549                         break;
2550                 }
2551         }
2552
2553         /* create a new callback. */
2554         if (user_cb == NULL)
2555                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2556                                         sizeof(struct rte_eth_dev_callback), 0);
2557         if (user_cb != NULL) {
2558                 user_cb->cb_fn = cb_fn;
2559                 user_cb->cb_arg = cb_arg;
2560                 user_cb->event = event;
2561                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2562         }
2563
2564         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2565         return (user_cb == NULL) ? -ENOMEM : 0;
2566 }
2567
2568 int
2569 rte_eth_dev_callback_unregister(uint8_t port_id,
2570                         enum rte_eth_event_type event,
2571                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2572 {
2573         int ret;
2574         struct rte_eth_dev *dev;
2575         struct rte_eth_dev_callback *cb, *next;
2576
2577         if (!cb_fn)
2578                 return -EINVAL;
2579
2580         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2581
2582         dev = &rte_eth_devices[port_id];
2583         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2584
2585         ret = 0;
2586         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2587
2588                 next = TAILQ_NEXT(cb, next);
2589
2590                 if (cb->cb_fn != cb_fn || cb->event != event ||
2591                                 (cb->cb_arg != (void *)-1 &&
2592                                 cb->cb_arg != cb_arg))
2593                         continue;
2594
2595                 /*
2596                  * if this callback is not executing right now,
2597                  * then remove it.
2598                  */
2599                 if (cb->active == 0) {
2600                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2601                         rte_free(cb);
2602                 } else {
2603                         ret = -EAGAIN;
2604                 }
2605         }
2606
2607         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2608         return ret;
2609 }
2610
2611 void
2612 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2613         enum rte_eth_event_type event)
2614 {
2615         struct rte_eth_dev_callback *cb_lst;
2616         struct rte_eth_dev_callback dev_cb;
2617
2618         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2619         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2620                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2621                         continue;
2622                 dev_cb = *cb_lst;
2623                 cb_lst->active = 1;
2624                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2625                 dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2626                                                 dev_cb.cb_arg);
2627                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2628                 cb_lst->active = 0;
2629         }
2630         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2631 }
2632
2633 int
2634 rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
2635 {
2636         uint32_t vec;
2637         struct rte_eth_dev *dev;
2638         struct rte_intr_handle *intr_handle;
2639         uint16_t qid;
2640         int rc;
2641
2642         if (!rte_eth_dev_is_valid_port(port_id)) {
2643                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%u\n", port_id);
2644                 return -ENODEV;
2645         }
2646
2647         dev = &rte_eth_devices[port_id];
2648         intr_handle = &dev->pci_dev->intr_handle;
2649         if (!intr_handle->intr_vec) {
2650                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2651                 return -EPERM;
2652         }
2653
2654         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
2655                 vec = intr_handle->intr_vec[qid];
2656                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2657                 if (rc && rc != -EEXIST) {
2658                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2659                                         " op %d epfd %d vec %u\n",
2660                                         port_id, qid, op, epfd, vec);
2661                 }
2662         }
2663
2664         return 0;
2665 }
2666
2667 const struct rte_memzone *
2668 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
2669                          uint16_t queue_id, size_t size, unsigned align,
2670                          int socket_id)
2671 {
2672         char z_name[RTE_MEMZONE_NAMESIZE];
2673         const struct rte_memzone *mz;
2674
2675         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
2676                  dev->driver->pci_drv.name, ring_name,
2677                  dev->data->port_id, queue_id);
2678
2679         mz = rte_memzone_lookup(z_name);
2680         if (mz)
2681                 return mz;
2682
2683         if (rte_xen_dom0_supported())
2684                 return rte_memzone_reserve_bounded(z_name, size, socket_id,
2685                                                    0, align, RTE_PGSIZE_2M);
2686         else
2687                 return rte_memzone_reserve_aligned(z_name, size, socket_id,
2688                                                    0, align);
2689 }
2690
2691 int
2692 rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
2693                           int epfd, int op, void *data)
2694 {
2695         uint32_t vec;
2696         struct rte_eth_dev *dev;
2697         struct rte_intr_handle *intr_handle;
2698         int rc;
2699
2700         if (!rte_eth_dev_is_valid_port(port_id)) {
2701                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%u\n", port_id);
2702                 return -ENODEV;
2703         }
2704
2705         dev = &rte_eth_devices[port_id];
2706         if (queue_id >= dev->data->nb_rx_queues) {
2707                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
2708                 return -EINVAL;
2709         }
2710
2711         intr_handle = &dev->pci_dev->intr_handle;
2712         if (!intr_handle->intr_vec) {
2713                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2714                 return -EPERM;
2715         }
2716
2717         vec = intr_handle->intr_vec[queue_id];
2718         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2719         if (rc && rc != -EEXIST) {
2720                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2721                                 " op %d epfd %d vec %u\n",
2722                                 port_id, queue_id, op, epfd, vec);
2723                 return rc;
2724         }
2725
2726         return 0;
2727 }
2728
2729 int
2730 rte_eth_dev_rx_intr_enable(uint8_t port_id,
2731                            uint16_t queue_id)
2732 {
2733         struct rte_eth_dev *dev;
2734
2735         if (!rte_eth_dev_is_valid_port(port_id)) {
2736                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2737                 return -ENODEV;
2738         }
2739
2740         dev = &rte_eth_devices[port_id];
2741
2742         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
2743         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
2744 }
2745
2746 int
2747 rte_eth_dev_rx_intr_disable(uint8_t port_id,
2748                             uint16_t queue_id)
2749 {
2750         struct rte_eth_dev *dev;
2751
2752         if (!rte_eth_dev_is_valid_port(port_id)) {
2753                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2754                 return -ENODEV;
2755         }
2756
2757         dev = &rte_eth_devices[port_id];
2758
2759         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
2760         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
2761 }
2762
2763 #ifdef RTE_NIC_BYPASS
2764 int rte_eth_dev_bypass_init(uint8_t port_id)
2765 {
2766         struct rte_eth_dev *dev;
2767
2768         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2769
2770         dev = &rte_eth_devices[port_id];
2771         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_init, -ENOTSUP);
2772         (*dev->dev_ops->bypass_init)(dev);
2773         return 0;
2774 }
2775
2776 int
2777 rte_eth_dev_bypass_state_show(uint8_t port_id, uint32_t *state)
2778 {
2779         struct rte_eth_dev *dev;
2780
2781         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2782
2783         dev = &rte_eth_devices[port_id];
2784         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2785         (*dev->dev_ops->bypass_state_show)(dev, state);
2786         return 0;
2787 }
2788
2789 int
2790 rte_eth_dev_bypass_state_set(uint8_t port_id, uint32_t *new_state)
2791 {
2792         struct rte_eth_dev *dev;
2793
2794         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2795
2796         dev = &rte_eth_devices[port_id];
2797         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_set, -ENOTSUP);
2798         (*dev->dev_ops->bypass_state_set)(dev, new_state);
2799         return 0;
2800 }
2801
2802 int
2803 rte_eth_dev_bypass_event_show(uint8_t port_id, uint32_t event, uint32_t *state)
2804 {
2805         struct rte_eth_dev *dev;
2806
2807         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2808
2809         dev = &rte_eth_devices[port_id];
2810         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2811         (*dev->dev_ops->bypass_event_show)(dev, event, state);
2812         return 0;
2813 }
2814
2815 int
2816 rte_eth_dev_bypass_event_store(uint8_t port_id, uint32_t event, uint32_t state)
2817 {
2818         struct rte_eth_dev *dev;
2819
2820         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2821
2822         dev = &rte_eth_devices[port_id];
2823
2824         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_event_set, -ENOTSUP);
2825         (*dev->dev_ops->bypass_event_set)(dev, event, state);
2826         return 0;
2827 }
2828
2829 int
2830 rte_eth_dev_wd_timeout_store(uint8_t port_id, uint32_t timeout)
2831 {
2832         struct rte_eth_dev *dev;
2833
2834         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2835
2836         dev = &rte_eth_devices[port_id];
2837
2838         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_set, -ENOTSUP);
2839         (*dev->dev_ops->bypass_wd_timeout_set)(dev, timeout);
2840         return 0;
2841 }
2842
2843 int
2844 rte_eth_dev_bypass_ver_show(uint8_t port_id, uint32_t *ver)
2845 {
2846         struct rte_eth_dev *dev;
2847
2848         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2849
2850         dev = &rte_eth_devices[port_id];
2851
2852         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_ver_show, -ENOTSUP);
2853         (*dev->dev_ops->bypass_ver_show)(dev, ver);
2854         return 0;
2855 }
2856
2857 int
2858 rte_eth_dev_bypass_wd_timeout_show(uint8_t port_id, uint32_t *wd_timeout)
2859 {
2860         struct rte_eth_dev *dev;
2861
2862         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2863
2864         dev = &rte_eth_devices[port_id];
2865
2866         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_show, -ENOTSUP);
2867         (*dev->dev_ops->bypass_wd_timeout_show)(dev, wd_timeout);
2868         return 0;
2869 }
2870
2871 int
2872 rte_eth_dev_bypass_wd_reset(uint8_t port_id)
2873 {
2874         struct rte_eth_dev *dev;
2875
2876         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2877
2878         dev = &rte_eth_devices[port_id];
2879
2880         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_reset, -ENOTSUP);
2881         (*dev->dev_ops->bypass_wd_reset)(dev);
2882         return 0;
2883 }
2884 #endif
2885
2886 int
2887 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
2888 {
2889         struct rte_eth_dev *dev;
2890
2891         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2892
2893         dev = &rte_eth_devices[port_id];
2894         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2895         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
2896                                 RTE_ETH_FILTER_NOP, NULL);
2897 }
2898
2899 int
2900 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
2901                        enum rte_filter_op filter_op, void *arg)
2902 {
2903         struct rte_eth_dev *dev;
2904
2905         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2906
2907         dev = &rte_eth_devices[port_id];
2908         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2909         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
2910 }
2911
2912 void *
2913 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
2914                 rte_rx_callback_fn fn, void *user_param)
2915 {
2916 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2917         rte_errno = ENOTSUP;
2918         return NULL;
2919 #endif
2920         /* check input parameters */
2921         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2922                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2923                 rte_errno = EINVAL;
2924                 return NULL;
2925         }
2926
2927         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2928
2929         if (cb == NULL) {
2930                 rte_errno = ENOMEM;
2931                 return NULL;
2932         }
2933
2934         cb->fn.rx = fn;
2935         cb->param = user_param;
2936
2937         /* Add the callbacks in fifo order. */
2938         struct rte_eth_rxtx_callback *tail =
2939                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
2940
2941         if (!tail) {
2942                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
2943
2944         } else {
2945                 while (tail->next)
2946                         tail = tail->next;
2947                 tail->next = cb;
2948         }
2949
2950         return cb;
2951 }
2952
2953 void *
2954 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
2955                 rte_tx_callback_fn fn, void *user_param)
2956 {
2957 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2958         rte_errno = ENOTSUP;
2959         return NULL;
2960 #endif
2961         /* check input parameters */
2962         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2963                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
2964                 rte_errno = EINVAL;
2965                 return NULL;
2966         }
2967
2968         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2969
2970         if (cb == NULL) {
2971                 rte_errno = ENOMEM;
2972                 return NULL;
2973         }
2974
2975         cb->fn.tx = fn;
2976         cb->param = user_param;
2977
2978         /* Add the callbacks in fifo order. */
2979         struct rte_eth_rxtx_callback *tail =
2980                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
2981
2982         if (!tail) {
2983                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
2984
2985         } else {
2986                 while (tail->next)
2987                         tail = tail->next;
2988                 tail->next = cb;
2989         }
2990
2991         return cb;
2992 }
2993
2994 int
2995 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
2996                 struct rte_eth_rxtx_callback *user_cb)
2997 {
2998 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2999         return -ENOTSUP;
3000 #endif
3001         /* Check input parameters. */
3002         if (!rte_eth_dev_is_valid_port(port_id) || user_cb == NULL ||
3003                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3004                 return -EINVAL;
3005         }
3006
3007         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3008         struct rte_eth_rxtx_callback *cb = dev->post_rx_burst_cbs[queue_id];
3009         struct rte_eth_rxtx_callback *prev_cb;
3010
3011         /* Reset head pointer and remove user cb if first in the list. */
3012         if (cb == user_cb) {
3013                 dev->post_rx_burst_cbs[queue_id] = user_cb->next;
3014                 return 0;
3015         }
3016
3017         /* Remove the user cb from the callback list. */
3018         do {
3019                 prev_cb = cb;
3020                 cb = cb->next;
3021
3022                 if (cb == user_cb) {
3023                         prev_cb->next = user_cb->next;
3024                         return 0;
3025                 }
3026
3027         } while (cb != NULL);
3028
3029         /* Callback wasn't found. */
3030         return -EINVAL;
3031 }
3032
3033 int
3034 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3035                 struct rte_eth_rxtx_callback *user_cb)
3036 {
3037 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3038         return -ENOTSUP;
3039 #endif
3040         /* Check input parameters. */
3041         if (!rte_eth_dev_is_valid_port(port_id) || user_cb == NULL ||
3042                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3043                 return -EINVAL;
3044         }
3045
3046         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3047         struct rte_eth_rxtx_callback *cb = dev->pre_tx_burst_cbs[queue_id];
3048         struct rte_eth_rxtx_callback *prev_cb;
3049
3050         /* Reset head pointer and remove user cb if first in the list. */
3051         if (cb == user_cb) {
3052                 dev->pre_tx_burst_cbs[queue_id] = user_cb->next;
3053                 return 0;
3054         }
3055
3056         /* Remove the user cb from the callback list. */
3057         do {
3058                 prev_cb = cb;
3059                 cb = cb->next;
3060
3061                 if (cb == user_cb) {
3062                         prev_cb->next = user_cb->next;
3063                         return 0;
3064                 }
3065
3066         } while (cb != NULL);
3067
3068         /* Callback wasn't found. */
3069         return -EINVAL;
3070 }
3071
3072 int
3073 rte_eth_rx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3074         struct rte_eth_rxq_info *qinfo)
3075 {
3076         struct rte_eth_dev *dev;
3077
3078         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3079
3080         if (qinfo == NULL)
3081                 return -EINVAL;
3082
3083         dev = &rte_eth_devices[port_id];
3084         if (queue_id >= dev->data->nb_rx_queues) {
3085                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3086                 return -EINVAL;
3087         }
3088
3089         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3090
3091         memset(qinfo, 0, sizeof(*qinfo));
3092         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3093         return 0;
3094 }
3095
3096 int
3097 rte_eth_tx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3098         struct rte_eth_txq_info *qinfo)
3099 {
3100         struct rte_eth_dev *dev;
3101
3102         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3103
3104         if (qinfo == NULL)
3105                 return -EINVAL;
3106
3107         dev = &rte_eth_devices[port_id];
3108         if (queue_id >= dev->data->nb_tx_queues) {
3109                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3110                 return -EINVAL;
3111         }
3112
3113         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3114
3115         memset(qinfo, 0, sizeof(*qinfo));
3116         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3117         return 0;
3118 }
3119
3120 int
3121 rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3122                              struct ether_addr *mc_addr_set,
3123                              uint32_t nb_mc_addr)
3124 {
3125         struct rte_eth_dev *dev;
3126
3127         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3128
3129         dev = &rte_eth_devices[port_id];
3130         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3131         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3132 }
3133
3134 int
3135 rte_eth_timesync_enable(uint8_t port_id)
3136 {
3137         struct rte_eth_dev *dev;
3138
3139         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3140         dev = &rte_eth_devices[port_id];
3141
3142         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3143         return (*dev->dev_ops->timesync_enable)(dev);
3144 }
3145
3146 int
3147 rte_eth_timesync_disable(uint8_t port_id)
3148 {
3149         struct rte_eth_dev *dev;
3150
3151         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3152         dev = &rte_eth_devices[port_id];
3153
3154         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3155         return (*dev->dev_ops->timesync_disable)(dev);
3156 }
3157
3158 int
3159 rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
3160                                    uint32_t flags)
3161 {
3162         struct rte_eth_dev *dev;
3163
3164         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3165         dev = &rte_eth_devices[port_id];
3166
3167         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3168         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3169 }
3170
3171 int
3172 rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
3173 {
3174         struct rte_eth_dev *dev;
3175
3176         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3177         dev = &rte_eth_devices[port_id];
3178
3179         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3180         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3181 }
3182
3183 int
3184 rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta)
3185 {
3186         struct rte_eth_dev *dev;
3187
3188         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3189         dev = &rte_eth_devices[port_id];
3190
3191         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3192         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3193 }
3194
3195 int
3196 rte_eth_timesync_read_time(uint8_t port_id, struct timespec *timestamp)
3197 {
3198         struct rte_eth_dev *dev;
3199
3200         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3201         dev = &rte_eth_devices[port_id];
3202
3203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3204         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3205 }
3206
3207 int
3208 rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *timestamp)
3209 {
3210         struct rte_eth_dev *dev;
3211
3212         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3213         dev = &rte_eth_devices[port_id];
3214
3215         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3216         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3217 }
3218
3219 int
3220 rte_eth_dev_get_reg_length(uint8_t port_id)
3221 {
3222         struct rte_eth_dev *dev;
3223
3224         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3225
3226         dev = &rte_eth_devices[port_id];
3227         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg_length, -ENOTSUP);
3228         return (*dev->dev_ops->get_reg_length)(dev);
3229 }
3230
3231 int
3232 rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info)
3233 {
3234         struct rte_eth_dev *dev;
3235
3236         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3237
3238         dev = &rte_eth_devices[port_id];
3239         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3240         return (*dev->dev_ops->get_reg)(dev, info);
3241 }
3242
3243 int
3244 rte_eth_dev_get_eeprom_length(uint8_t port_id)
3245 {
3246         struct rte_eth_dev *dev;
3247
3248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3249
3250         dev = &rte_eth_devices[port_id];
3251         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3252         return (*dev->dev_ops->get_eeprom_length)(dev);
3253 }
3254
3255 int
3256 rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3257 {
3258         struct rte_eth_dev *dev;
3259
3260         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3261
3262         dev = &rte_eth_devices[port_id];
3263         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3264         return (*dev->dev_ops->get_eeprom)(dev, info);
3265 }
3266
3267 int
3268 rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3269 {
3270         struct rte_eth_dev *dev;
3271
3272         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3273
3274         dev = &rte_eth_devices[port_id];
3275         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3276         return (*dev->dev_ops->set_eeprom)(dev, info);
3277 }
3278
3279 int
3280 rte_eth_dev_get_dcb_info(uint8_t port_id,
3281                              struct rte_eth_dcb_info *dcb_info)
3282 {
3283         struct rte_eth_dev *dev;
3284
3285         if (!rte_eth_dev_is_valid_port(port_id)) {
3286                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3287                 return -ENODEV;
3288         }
3289
3290         dev = &rte_eth_devices[port_id];
3291         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3292
3293         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3294         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3295 }
3296
3297 void
3298 rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct rte_pci_device *pci_dev)
3299 {
3300         if ((eth_dev == NULL) || (pci_dev == NULL)) {
3301                 RTE_PMD_DEBUG_TRACE("NULL pointer eth_dev=%p pci_dev=%p\n",
3302                                 eth_dev, pci_dev);
3303                 return;
3304         }
3305
3306         eth_dev->data->dev_flags = 0;
3307         if (pci_dev->driver->drv_flags & RTE_PCI_DRV_INTR_LSC)
3308                 eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
3309         if (pci_dev->driver->drv_flags & RTE_PCI_DRV_DETACHABLE)
3310                 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
3311
3312         eth_dev->data->kdrv = pci_dev->kdrv;
3313         eth_dev->data->numa_node = pci_dev->numa_node;
3314         eth_dev->data->drv_name = pci_dev->driver->name;
3315 }
3316
3317 int
3318 rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
3319                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3320 {
3321         struct rte_eth_dev *dev;
3322
3323         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3324         if (l2_tunnel == NULL) {
3325                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3326                 return -EINVAL;
3327         }
3328
3329         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3330                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3331                 return -EINVAL;
3332         }
3333
3334         dev = &rte_eth_devices[port_id];
3335         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3336                                 -ENOTSUP);
3337         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3338 }
3339
3340 int
3341 rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
3342                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3343                                   uint32_t mask,
3344                                   uint8_t en)
3345 {
3346         struct rte_eth_dev *dev;
3347
3348         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3349
3350         if (l2_tunnel == NULL) {
3351                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3352                 return -EINVAL;
3353         }
3354
3355         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3356                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3357                 return -EINVAL;
3358         }
3359
3360         if (mask == 0) {
3361                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3362                 return -EINVAL;
3363         }
3364
3365         dev = &rte_eth_devices[port_id];
3366         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3367                                 -ENOTSUP);
3368         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3369 }