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         int ret = 0;
1346
1347         if (buffer == NULL)
1348                 return -EINVAL;
1349
1350         buffer->size = size;
1351         if (buffer->error_callback == NULL) {
1352                 ret = rte_eth_tx_buffer_set_err_callback(
1353                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1354         }
1355
1356         return ret;
1357 }
1358
1359 void
1360 rte_eth_promiscuous_enable(uint8_t port_id)
1361 {
1362         struct rte_eth_dev *dev;
1363
1364         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1365         dev = &rte_eth_devices[port_id];
1366
1367         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1368         (*dev->dev_ops->promiscuous_enable)(dev);
1369         dev->data->promiscuous = 1;
1370 }
1371
1372 void
1373 rte_eth_promiscuous_disable(uint8_t port_id)
1374 {
1375         struct rte_eth_dev *dev;
1376
1377         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1378         dev = &rte_eth_devices[port_id];
1379
1380         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1381         dev->data->promiscuous = 0;
1382         (*dev->dev_ops->promiscuous_disable)(dev);
1383 }
1384
1385 int
1386 rte_eth_promiscuous_get(uint8_t port_id)
1387 {
1388         struct rte_eth_dev *dev;
1389
1390         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1391
1392         dev = &rte_eth_devices[port_id];
1393         return dev->data->promiscuous;
1394 }
1395
1396 void
1397 rte_eth_allmulticast_enable(uint8_t port_id)
1398 {
1399         struct rte_eth_dev *dev;
1400
1401         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1402         dev = &rte_eth_devices[port_id];
1403
1404         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1405         (*dev->dev_ops->allmulticast_enable)(dev);
1406         dev->data->all_multicast = 1;
1407 }
1408
1409 void
1410 rte_eth_allmulticast_disable(uint8_t port_id)
1411 {
1412         struct rte_eth_dev *dev;
1413
1414         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1415         dev = &rte_eth_devices[port_id];
1416
1417         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1418         dev->data->all_multicast = 0;
1419         (*dev->dev_ops->allmulticast_disable)(dev);
1420 }
1421
1422 int
1423 rte_eth_allmulticast_get(uint8_t port_id)
1424 {
1425         struct rte_eth_dev *dev;
1426
1427         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1428
1429         dev = &rte_eth_devices[port_id];
1430         return dev->data->all_multicast;
1431 }
1432
1433 static inline int
1434 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1435                                 struct rte_eth_link *link)
1436 {
1437         struct rte_eth_link *dst = link;
1438         struct rte_eth_link *src = &(dev->data->dev_link);
1439
1440         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1441                                         *(uint64_t *)src) == 0)
1442                 return -1;
1443
1444         return 0;
1445 }
1446
1447 void
1448 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1449 {
1450         struct rte_eth_dev *dev;
1451
1452         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1453         dev = &rte_eth_devices[port_id];
1454
1455         if (dev->data->dev_conf.intr_conf.lsc != 0)
1456                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1457         else {
1458                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1459                 (*dev->dev_ops->link_update)(dev, 1);
1460                 *eth_link = dev->data->dev_link;
1461         }
1462 }
1463
1464 void
1465 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1466 {
1467         struct rte_eth_dev *dev;
1468
1469         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1470         dev = &rte_eth_devices[port_id];
1471
1472         if (dev->data->dev_conf.intr_conf.lsc != 0)
1473                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1474         else {
1475                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1476                 (*dev->dev_ops->link_update)(dev, 0);
1477                 *eth_link = dev->data->dev_link;
1478         }
1479 }
1480
1481 int
1482 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1483 {
1484         struct rte_eth_dev *dev;
1485
1486         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1487
1488         dev = &rte_eth_devices[port_id];
1489         memset(stats, 0, sizeof(*stats));
1490
1491         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1492         (*dev->dev_ops->stats_get)(dev, stats);
1493         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1494         return 0;
1495 }
1496
1497 void
1498 rte_eth_stats_reset(uint8_t port_id)
1499 {
1500         struct rte_eth_dev *dev;
1501
1502         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1503         dev = &rte_eth_devices[port_id];
1504
1505         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1506         (*dev->dev_ops->stats_reset)(dev);
1507         dev->data->rx_mbuf_alloc_failed = 0;
1508 }
1509
1510 /* retrieve ethdev extended statistics */
1511 int
1512 rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
1513         unsigned n)
1514 {
1515         struct rte_eth_stats eth_stats;
1516         struct rte_eth_dev *dev;
1517         unsigned count = 0, i, q;
1518         signed xcount = 0;
1519         uint64_t val, *stats_ptr;
1520
1521         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1522
1523         dev = &rte_eth_devices[port_id];
1524
1525         /* Return generic statistics */
1526         count = RTE_NB_STATS + (dev->data->nb_rx_queues * RTE_NB_RXQ_STATS) +
1527                 (dev->data->nb_tx_queues * RTE_NB_TXQ_STATS);
1528
1529         /* implemented by the driver */
1530         if (dev->dev_ops->xstats_get != NULL) {
1531                 /* Retrieve the xstats from the driver at the end of the
1532                  * xstats struct.
1533                  */
1534                 xcount = (*dev->dev_ops->xstats_get)(dev,
1535                                      xstats ? xstats + count : NULL,
1536                                      (n > count) ? n - count : 0);
1537
1538                 if (xcount < 0)
1539                         return xcount;
1540         }
1541
1542         if (n < count + xcount || xstats == NULL)
1543                 return count + xcount;
1544
1545         /* now fill the xstats structure */
1546         count = 0;
1547         rte_eth_stats_get(port_id, &eth_stats);
1548
1549         /* global stats */
1550         for (i = 0; i < RTE_NB_STATS; i++) {
1551                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1552                                         rte_stats_strings[i].offset);
1553                 val = *stats_ptr;
1554                 snprintf(xstats[count].name, sizeof(xstats[count].name),
1555                         "%s", rte_stats_strings[i].name);
1556                 xstats[count++].value = val;
1557         }
1558
1559         /* per-rxq stats */
1560         for (q = 0; q < dev->data->nb_rx_queues; q++) {
1561                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1562                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1563                                         rte_rxq_stats_strings[i].offset +
1564                                         q * sizeof(uint64_t));
1565                         val = *stats_ptr;
1566                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1567                                 "rx_q%u_%s", q,
1568                                 rte_rxq_stats_strings[i].name);
1569                         xstats[count++].value = val;
1570                 }
1571         }
1572
1573         /* per-txq stats */
1574         for (q = 0; q < dev->data->nb_tx_queues; q++) {
1575                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1576                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1577                                         rte_txq_stats_strings[i].offset +
1578                                         q * sizeof(uint64_t));
1579                         val = *stats_ptr;
1580                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1581                                 "tx_q%u_%s", q,
1582                                 rte_txq_stats_strings[i].name);
1583                         xstats[count++].value = val;
1584                 }
1585         }
1586
1587         return count + xcount;
1588 }
1589
1590 /* reset ethdev extended statistics */
1591 void
1592 rte_eth_xstats_reset(uint8_t port_id)
1593 {
1594         struct rte_eth_dev *dev;
1595
1596         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1597         dev = &rte_eth_devices[port_id];
1598
1599         /* implemented by the driver */
1600         if (dev->dev_ops->xstats_reset != NULL) {
1601                 (*dev->dev_ops->xstats_reset)(dev);
1602                 return;
1603         }
1604
1605         /* fallback to default */
1606         rte_eth_stats_reset(port_id);
1607 }
1608
1609 static int
1610 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
1611                 uint8_t is_rx)
1612 {
1613         struct rte_eth_dev *dev;
1614
1615         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1616
1617         dev = &rte_eth_devices[port_id];
1618
1619         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1620         return (*dev->dev_ops->queue_stats_mapping_set)
1621                         (dev, queue_id, stat_idx, is_rx);
1622 }
1623
1624
1625 int
1626 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
1627                 uint8_t stat_idx)
1628 {
1629         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1630                         STAT_QMAP_TX);
1631 }
1632
1633
1634 int
1635 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
1636                 uint8_t stat_idx)
1637 {
1638         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1639                         STAT_QMAP_RX);
1640 }
1641
1642
1643 void
1644 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
1645 {
1646         struct rte_eth_dev *dev;
1647         const struct rte_eth_desc_lim lim = {
1648                 .nb_max = UINT16_MAX,
1649                 .nb_min = 0,
1650                 .nb_align = 1,
1651         };
1652
1653         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1654         dev = &rte_eth_devices[port_id];
1655
1656         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
1657         dev_info->rx_desc_lim = lim;
1658         dev_info->tx_desc_lim = lim;
1659
1660         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1661         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1662         dev_info->pci_dev = dev->pci_dev;
1663         dev_info->driver_name = dev->data->drv_name;
1664 }
1665
1666 int
1667 rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
1668                                  uint32_t *ptypes, int num)
1669 {
1670         int i, j;
1671         struct rte_eth_dev *dev;
1672         const uint32_t *all_ptypes;
1673
1674         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1675         dev = &rte_eth_devices[port_id];
1676         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
1677         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
1678
1679         if (!all_ptypes)
1680                 return 0;
1681
1682         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
1683                 if (all_ptypes[i] & ptype_mask) {
1684                         if (j < num)
1685                                 ptypes[j] = all_ptypes[i];
1686                         j++;
1687                 }
1688
1689         return j;
1690 }
1691
1692 void
1693 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
1694 {
1695         struct rte_eth_dev *dev;
1696
1697         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1698         dev = &rte_eth_devices[port_id];
1699         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
1700 }
1701
1702
1703 int
1704 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
1705 {
1706         struct rte_eth_dev *dev;
1707
1708         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1709
1710         dev = &rte_eth_devices[port_id];
1711         *mtu = dev->data->mtu;
1712         return 0;
1713 }
1714
1715 int
1716 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
1717 {
1718         int ret;
1719         struct rte_eth_dev *dev;
1720
1721         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1722         dev = &rte_eth_devices[port_id];
1723         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
1724
1725         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
1726         if (!ret)
1727                 dev->data->mtu = mtu;
1728
1729         return ret;
1730 }
1731
1732 int
1733 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
1734 {
1735         struct rte_eth_dev *dev;
1736
1737         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1738         dev = &rte_eth_devices[port_id];
1739         if (!(dev->data->dev_conf.rxmode.hw_vlan_filter)) {
1740                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
1741                 return -ENOSYS;
1742         }
1743
1744         if (vlan_id > 4095) {
1745                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
1746                                 port_id, (unsigned) vlan_id);
1747                 return -EINVAL;
1748         }
1749         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
1750
1751         return (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
1752 }
1753
1754 int
1755 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
1756 {
1757         struct rte_eth_dev *dev;
1758
1759         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1760         dev = &rte_eth_devices[port_id];
1761         if (rx_queue_id >= dev->data->nb_rx_queues) {
1762                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
1763                 return -EINVAL;
1764         }
1765
1766         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
1767         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
1768
1769         return 0;
1770 }
1771
1772 int
1773 rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
1774                                 enum rte_vlan_type vlan_type,
1775                                 uint16_t tpid)
1776 {
1777         struct rte_eth_dev *dev;
1778
1779         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1780         dev = &rte_eth_devices[port_id];
1781         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
1782
1783         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
1784 }
1785
1786 int
1787 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
1788 {
1789         struct rte_eth_dev *dev;
1790         int ret = 0;
1791         int mask = 0;
1792         int cur, org = 0;
1793
1794         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1795         dev = &rte_eth_devices[port_id];
1796
1797         /*check which option changed by application*/
1798         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
1799         org = !!(dev->data->dev_conf.rxmode.hw_vlan_strip);
1800         if (cur != org) {
1801                 dev->data->dev_conf.rxmode.hw_vlan_strip = (uint8_t)cur;
1802                 mask |= ETH_VLAN_STRIP_MASK;
1803         }
1804
1805         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
1806         org = !!(dev->data->dev_conf.rxmode.hw_vlan_filter);
1807         if (cur != org) {
1808                 dev->data->dev_conf.rxmode.hw_vlan_filter = (uint8_t)cur;
1809                 mask |= ETH_VLAN_FILTER_MASK;
1810         }
1811
1812         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
1813         org = !!(dev->data->dev_conf.rxmode.hw_vlan_extend);
1814         if (cur != org) {
1815                 dev->data->dev_conf.rxmode.hw_vlan_extend = (uint8_t)cur;
1816                 mask |= ETH_VLAN_EXTEND_MASK;
1817         }
1818
1819         /*no change*/
1820         if (mask == 0)
1821                 return ret;
1822
1823         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
1824         (*dev->dev_ops->vlan_offload_set)(dev, mask);
1825
1826         return ret;
1827 }
1828
1829 int
1830 rte_eth_dev_get_vlan_offload(uint8_t port_id)
1831 {
1832         struct rte_eth_dev *dev;
1833         int ret = 0;
1834
1835         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1836         dev = &rte_eth_devices[port_id];
1837
1838         if (dev->data->dev_conf.rxmode.hw_vlan_strip)
1839                 ret |= ETH_VLAN_STRIP_OFFLOAD;
1840
1841         if (dev->data->dev_conf.rxmode.hw_vlan_filter)
1842                 ret |= ETH_VLAN_FILTER_OFFLOAD;
1843
1844         if (dev->data->dev_conf.rxmode.hw_vlan_extend)
1845                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
1846
1847         return ret;
1848 }
1849
1850 int
1851 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
1852 {
1853         struct rte_eth_dev *dev;
1854
1855         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1856         dev = &rte_eth_devices[port_id];
1857         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
1858         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
1859
1860         return 0;
1861 }
1862
1863 int
1864 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1865 {
1866         struct rte_eth_dev *dev;
1867
1868         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1869         dev = &rte_eth_devices[port_id];
1870         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
1871         memset(fc_conf, 0, sizeof(*fc_conf));
1872         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
1873 }
1874
1875 int
1876 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1877 {
1878         struct rte_eth_dev *dev;
1879
1880         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1881         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
1882                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
1883                 return -EINVAL;
1884         }
1885
1886         dev = &rte_eth_devices[port_id];
1887         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
1888         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
1889 }
1890
1891 int
1892 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
1893 {
1894         struct rte_eth_dev *dev;
1895
1896         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1897         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
1898                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
1899                 return -EINVAL;
1900         }
1901
1902         dev = &rte_eth_devices[port_id];
1903         /* High water, low water validation are device specific */
1904         if  (*dev->dev_ops->priority_flow_ctrl_set)
1905                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
1906         return -ENOTSUP;
1907 }
1908
1909 static int
1910 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
1911                         uint16_t reta_size)
1912 {
1913         uint16_t i, num;
1914
1915         if (!reta_conf)
1916                 return -EINVAL;
1917
1918         if (reta_size != RTE_ALIGN(reta_size, RTE_RETA_GROUP_SIZE)) {
1919                 RTE_PMD_DEBUG_TRACE("Invalid reta size, should be %u aligned\n",
1920                                                         RTE_RETA_GROUP_SIZE);
1921                 return -EINVAL;
1922         }
1923
1924         num = reta_size / RTE_RETA_GROUP_SIZE;
1925         for (i = 0; i < num; i++) {
1926                 if (reta_conf[i].mask)
1927                         return 0;
1928         }
1929
1930         return -EINVAL;
1931 }
1932
1933 static int
1934 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
1935                          uint16_t reta_size,
1936                          uint16_t max_rxq)
1937 {
1938         uint16_t i, idx, shift;
1939
1940         if (!reta_conf)
1941                 return -EINVAL;
1942
1943         if (max_rxq == 0) {
1944                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
1945                 return -EINVAL;
1946         }
1947
1948         for (i = 0; i < reta_size; i++) {
1949                 idx = i / RTE_RETA_GROUP_SIZE;
1950                 shift = i % RTE_RETA_GROUP_SIZE;
1951                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
1952                         (reta_conf[idx].reta[shift] >= max_rxq)) {
1953                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
1954                                 "the maximum rxq index: %u\n", idx, shift,
1955                                 reta_conf[idx].reta[shift], max_rxq);
1956                         return -EINVAL;
1957                 }
1958         }
1959
1960         return 0;
1961 }
1962
1963 int
1964 rte_eth_dev_rss_reta_update(uint8_t port_id,
1965                             struct rte_eth_rss_reta_entry64 *reta_conf,
1966                             uint16_t reta_size)
1967 {
1968         struct rte_eth_dev *dev;
1969         int ret;
1970
1971         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1972         /* Check mask bits */
1973         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
1974         if (ret < 0)
1975                 return ret;
1976
1977         dev = &rte_eth_devices[port_id];
1978
1979         /* Check entry value */
1980         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
1981                                 dev->data->nb_rx_queues);
1982         if (ret < 0)
1983                 return ret;
1984
1985         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
1986         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
1987 }
1988
1989 int
1990 rte_eth_dev_rss_reta_query(uint8_t port_id,
1991                            struct rte_eth_rss_reta_entry64 *reta_conf,
1992                            uint16_t reta_size)
1993 {
1994         struct rte_eth_dev *dev;
1995         int ret;
1996
1997         if (port_id >= nb_ports) {
1998                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1999                 return -ENODEV;
2000         }
2001
2002         /* Check mask bits */
2003         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2004         if (ret < 0)
2005                 return ret;
2006
2007         dev = &rte_eth_devices[port_id];
2008         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2009         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
2010 }
2011
2012 int
2013 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
2014 {
2015         struct rte_eth_dev *dev;
2016         uint16_t rss_hash_protos;
2017
2018         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2019         rss_hash_protos = rss_conf->rss_hf;
2020         if ((rss_hash_protos != 0) &&
2021             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
2022                 RTE_PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
2023                                 rss_hash_protos);
2024                 return -EINVAL;
2025         }
2026         dev = &rte_eth_devices[port_id];
2027         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2028         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
2029 }
2030
2031 int
2032 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
2033                               struct rte_eth_rss_conf *rss_conf)
2034 {
2035         struct rte_eth_dev *dev;
2036
2037         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2038         dev = &rte_eth_devices[port_id];
2039         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2040         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
2041 }
2042
2043 int
2044 rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
2045                                 struct rte_eth_udp_tunnel *udp_tunnel)
2046 {
2047         struct rte_eth_dev *dev;
2048
2049         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2050         if (udp_tunnel == NULL) {
2051                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2052                 return -EINVAL;
2053         }
2054
2055         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2056                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2057                 return -EINVAL;
2058         }
2059
2060         dev = &rte_eth_devices[port_id];
2061         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2062         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2063 }
2064
2065 int
2066 rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
2067                                    struct rte_eth_udp_tunnel *udp_tunnel)
2068 {
2069         struct rte_eth_dev *dev;
2070
2071         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2072         dev = &rte_eth_devices[port_id];
2073
2074         if (udp_tunnel == NULL) {
2075                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2076                 return -EINVAL;
2077         }
2078
2079         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2080                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2081                 return -EINVAL;
2082         }
2083
2084         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2085         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2086 }
2087
2088 int
2089 rte_eth_led_on(uint8_t port_id)
2090 {
2091         struct rte_eth_dev *dev;
2092
2093         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2094         dev = &rte_eth_devices[port_id];
2095         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2096         return (*dev->dev_ops->dev_led_on)(dev);
2097 }
2098
2099 int
2100 rte_eth_led_off(uint8_t port_id)
2101 {
2102         struct rte_eth_dev *dev;
2103
2104         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2105         dev = &rte_eth_devices[port_id];
2106         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2107         return (*dev->dev_ops->dev_led_off)(dev);
2108 }
2109
2110 /*
2111  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2112  * an empty spot.
2113  */
2114 static int
2115 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2116 {
2117         struct rte_eth_dev_info dev_info;
2118         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2119         unsigned i;
2120
2121         rte_eth_dev_info_get(port_id, &dev_info);
2122
2123         for (i = 0; i < dev_info.max_mac_addrs; i++)
2124                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2125                         return i;
2126
2127         return -1;
2128 }
2129
2130 static const struct ether_addr null_mac_addr;
2131
2132 int
2133 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2134                         uint32_t pool)
2135 {
2136         struct rte_eth_dev *dev;
2137         int index;
2138         uint64_t pool_mask;
2139
2140         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2141         dev = &rte_eth_devices[port_id];
2142         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2143
2144         if (is_zero_ether_addr(addr)) {
2145                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2146                         port_id);
2147                 return -EINVAL;
2148         }
2149         if (pool >= ETH_64_POOLS) {
2150                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2151                 return -EINVAL;
2152         }
2153
2154         index = get_mac_addr_index(port_id, addr);
2155         if (index < 0) {
2156                 index = get_mac_addr_index(port_id, &null_mac_addr);
2157                 if (index < 0) {
2158                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2159                                 port_id);
2160                         return -ENOSPC;
2161                 }
2162         } else {
2163                 pool_mask = dev->data->mac_pool_sel[index];
2164
2165                 /* Check if both MAC address and pool is already there, and do nothing */
2166                 if (pool_mask & (1ULL << pool))
2167                         return 0;
2168         }
2169
2170         /* Update NIC */
2171         (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2172
2173         /* Update address in NIC data structure */
2174         ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2175
2176         /* Update pool bitmap in NIC data structure */
2177         dev->data->mac_pool_sel[index] |= (1ULL << pool);
2178
2179         return 0;
2180 }
2181
2182 int
2183 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2184 {
2185         struct rte_eth_dev *dev;
2186         int index;
2187
2188         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2189         dev = &rte_eth_devices[port_id];
2190         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2191
2192         index = get_mac_addr_index(port_id, addr);
2193         if (index == 0) {
2194                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2195                 return -EADDRINUSE;
2196         } else if (index < 0)
2197                 return 0;  /* Do nothing if address wasn't found */
2198
2199         /* Update NIC */
2200         (*dev->dev_ops->mac_addr_remove)(dev, index);
2201
2202         /* Update address in NIC data structure */
2203         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2204
2205         /* reset pool bitmap */
2206         dev->data->mac_pool_sel[index] = 0;
2207
2208         return 0;
2209 }
2210
2211 int
2212 rte_eth_dev_default_mac_addr_set(uint8_t port_id, struct ether_addr *addr)
2213 {
2214         struct rte_eth_dev *dev;
2215
2216         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2217
2218         if (!is_valid_assigned_ether_addr(addr))
2219                 return -EINVAL;
2220
2221         dev = &rte_eth_devices[port_id];
2222         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2223
2224         /* Update default address in NIC data structure */
2225         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2226
2227         (*dev->dev_ops->mac_addr_set)(dev, addr);
2228
2229         return 0;
2230 }
2231
2232 int
2233 rte_eth_dev_set_vf_rxmode(uint8_t port_id,  uint16_t vf,
2234                                 uint16_t rx_mode, uint8_t on)
2235 {
2236         uint16_t num_vfs;
2237         struct rte_eth_dev *dev;
2238         struct rte_eth_dev_info dev_info;
2239
2240         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2241
2242         dev = &rte_eth_devices[port_id];
2243         rte_eth_dev_info_get(port_id, &dev_info);
2244
2245         num_vfs = dev_info.max_vfs;
2246         if (vf > num_vfs) {
2247                 RTE_PMD_DEBUG_TRACE("set VF RX mode:invalid VF id %d\n", vf);
2248                 return -EINVAL;
2249         }
2250
2251         if (rx_mode == 0) {
2252                 RTE_PMD_DEBUG_TRACE("set VF RX mode:mode mask ca not be zero\n");
2253                 return -EINVAL;
2254         }
2255         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx_mode, -ENOTSUP);
2256         return (*dev->dev_ops->set_vf_rx_mode)(dev, vf, rx_mode, on);
2257 }
2258
2259 /*
2260  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2261  * an empty spot.
2262  */
2263 static int
2264 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2265 {
2266         struct rte_eth_dev_info dev_info;
2267         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2268         unsigned i;
2269
2270         rte_eth_dev_info_get(port_id, &dev_info);
2271         if (!dev->data->hash_mac_addrs)
2272                 return -1;
2273
2274         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2275                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2276                         ETHER_ADDR_LEN) == 0)
2277                         return i;
2278
2279         return -1;
2280 }
2281
2282 int
2283 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2284                                 uint8_t on)
2285 {
2286         int index;
2287         int ret;
2288         struct rte_eth_dev *dev;
2289
2290         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2291
2292         dev = &rte_eth_devices[port_id];
2293         if (is_zero_ether_addr(addr)) {
2294                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2295                         port_id);
2296                 return -EINVAL;
2297         }
2298
2299         index = get_hash_mac_addr_index(port_id, addr);
2300         /* Check if it's already there, and do nothing */
2301         if ((index >= 0) && (on))
2302                 return 0;
2303
2304         if (index < 0) {
2305                 if (!on) {
2306                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2307                                 "set in UTA\n", port_id);
2308                         return -EINVAL;
2309                 }
2310
2311                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2312                 if (index < 0) {
2313                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2314                                         port_id);
2315                         return -ENOSPC;
2316                 }
2317         }
2318
2319         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2320         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2321         if (ret == 0) {
2322                 /* Update address in NIC data structure */
2323                 if (on)
2324                         ether_addr_copy(addr,
2325                                         &dev->data->hash_mac_addrs[index]);
2326                 else
2327                         ether_addr_copy(&null_mac_addr,
2328                                         &dev->data->hash_mac_addrs[index]);
2329         }
2330
2331         return ret;
2332 }
2333
2334 int
2335 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2336 {
2337         struct rte_eth_dev *dev;
2338
2339         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2340
2341         dev = &rte_eth_devices[port_id];
2342
2343         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2344         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2345 }
2346
2347 int
2348 rte_eth_dev_set_vf_rx(uint8_t port_id, uint16_t vf, uint8_t on)
2349 {
2350         uint16_t num_vfs;
2351         struct rte_eth_dev *dev;
2352         struct rte_eth_dev_info dev_info;
2353
2354         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2355
2356         dev = &rte_eth_devices[port_id];
2357         rte_eth_dev_info_get(port_id, &dev_info);
2358
2359         num_vfs = dev_info.max_vfs;
2360         if (vf > num_vfs) {
2361                 RTE_PMD_DEBUG_TRACE("port %d: invalid vf id\n", port_id);
2362                 return -EINVAL;
2363         }
2364
2365         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx, -ENOTSUP);
2366         return (*dev->dev_ops->set_vf_rx)(dev, vf, on);
2367 }
2368
2369 int
2370 rte_eth_dev_set_vf_tx(uint8_t port_id, uint16_t vf, uint8_t on)
2371 {
2372         uint16_t num_vfs;
2373         struct rte_eth_dev *dev;
2374         struct rte_eth_dev_info dev_info;
2375
2376         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2377
2378         dev = &rte_eth_devices[port_id];
2379         rte_eth_dev_info_get(port_id, &dev_info);
2380
2381         num_vfs = dev_info.max_vfs;
2382         if (vf > num_vfs) {
2383                 RTE_PMD_DEBUG_TRACE("set pool tx:invalid pool id=%d\n", vf);
2384                 return -EINVAL;
2385         }
2386
2387         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_tx, -ENOTSUP);
2388         return (*dev->dev_ops->set_vf_tx)(dev, vf, on);
2389 }
2390
2391 int
2392 rte_eth_dev_set_vf_vlan_filter(uint8_t port_id, uint16_t vlan_id,
2393                                uint64_t vf_mask, uint8_t vlan_on)
2394 {
2395         struct rte_eth_dev *dev;
2396
2397         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2398
2399         dev = &rte_eth_devices[port_id];
2400
2401         if (vlan_id > ETHER_MAX_VLAN_ID) {
2402                 RTE_PMD_DEBUG_TRACE("VF VLAN filter:invalid VLAN id=%d\n",
2403                         vlan_id);
2404                 return -EINVAL;
2405         }
2406
2407         if (vf_mask == 0) {
2408                 RTE_PMD_DEBUG_TRACE("VF VLAN filter:pool_mask can not be 0\n");
2409                 return -EINVAL;
2410         }
2411
2412         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_vlan_filter, -ENOTSUP);
2413         return (*dev->dev_ops->set_vf_vlan_filter)(dev, vlan_id,
2414                                                    vf_mask, vlan_on);
2415 }
2416
2417 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2418                                         uint16_t tx_rate)
2419 {
2420         struct rte_eth_dev *dev;
2421         struct rte_eth_dev_info dev_info;
2422         struct rte_eth_link link;
2423
2424         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2425
2426         dev = &rte_eth_devices[port_id];
2427         rte_eth_dev_info_get(port_id, &dev_info);
2428         link = dev->data->dev_link;
2429
2430         if (queue_idx > dev_info.max_tx_queues) {
2431                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2432                                 "invalid queue id=%d\n", port_id, queue_idx);
2433                 return -EINVAL;
2434         }
2435
2436         if (tx_rate > link.link_speed) {
2437                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2438                                 "bigger than link speed= %d\n",
2439                         tx_rate, link.link_speed);
2440                 return -EINVAL;
2441         }
2442
2443         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2444         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2445 }
2446
2447 int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf, uint16_t tx_rate,
2448                                 uint64_t q_msk)
2449 {
2450         struct rte_eth_dev *dev;
2451         struct rte_eth_dev_info dev_info;
2452         struct rte_eth_link link;
2453
2454         if (q_msk == 0)
2455                 return 0;
2456
2457         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2458
2459         dev = &rte_eth_devices[port_id];
2460         rte_eth_dev_info_get(port_id, &dev_info);
2461         link = dev->data->dev_link;
2462
2463         if (vf > dev_info.max_vfs) {
2464                 RTE_PMD_DEBUG_TRACE("set VF rate limit:port %d: "
2465                                 "invalid vf id=%d\n", port_id, vf);
2466                 return -EINVAL;
2467         }
2468
2469         if (tx_rate > link.link_speed) {
2470                 RTE_PMD_DEBUG_TRACE("set VF rate limit:invalid tx_rate=%d, "
2471                                 "bigger than link speed= %d\n",
2472                                 tx_rate, link.link_speed);
2473                 return -EINVAL;
2474         }
2475
2476         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rate_limit, -ENOTSUP);
2477         return (*dev->dev_ops->set_vf_rate_limit)(dev, vf, tx_rate, q_msk);
2478 }
2479
2480 int
2481 rte_eth_mirror_rule_set(uint8_t port_id,
2482                         struct rte_eth_mirror_conf *mirror_conf,
2483                         uint8_t rule_id, uint8_t on)
2484 {
2485         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2486
2487         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2488         if (mirror_conf->rule_type == 0) {
2489                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2490                 return -EINVAL;
2491         }
2492
2493         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2494                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2495                                 ETH_64_POOLS - 1);
2496                 return -EINVAL;
2497         }
2498
2499         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2500              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2501             (mirror_conf->pool_mask == 0)) {
2502                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2503                 return -EINVAL;
2504         }
2505
2506         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2507             mirror_conf->vlan.vlan_mask == 0) {
2508                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2509                 return -EINVAL;
2510         }
2511
2512         dev = &rte_eth_devices[port_id];
2513         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2514
2515         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2516 }
2517
2518 int
2519 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
2520 {
2521         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2522
2523         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2524
2525         dev = &rte_eth_devices[port_id];
2526         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2527
2528         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2529 }
2530
2531 int
2532 rte_eth_dev_callback_register(uint8_t port_id,
2533                         enum rte_eth_event_type event,
2534                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2535 {
2536         struct rte_eth_dev *dev;
2537         struct rte_eth_dev_callback *user_cb;
2538
2539         if (!cb_fn)
2540                 return -EINVAL;
2541
2542         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2543
2544         dev = &rte_eth_devices[port_id];
2545         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2546
2547         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2548                 if (user_cb->cb_fn == cb_fn &&
2549                         user_cb->cb_arg == cb_arg &&
2550                         user_cb->event == event) {
2551                         break;
2552                 }
2553         }
2554
2555         /* create a new callback. */
2556         if (user_cb == NULL)
2557                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2558                                         sizeof(struct rte_eth_dev_callback), 0);
2559         if (user_cb != NULL) {
2560                 user_cb->cb_fn = cb_fn;
2561                 user_cb->cb_arg = cb_arg;
2562                 user_cb->event = event;
2563                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2564         }
2565
2566         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2567         return (user_cb == NULL) ? -ENOMEM : 0;
2568 }
2569
2570 int
2571 rte_eth_dev_callback_unregister(uint8_t port_id,
2572                         enum rte_eth_event_type event,
2573                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2574 {
2575         int ret;
2576         struct rte_eth_dev *dev;
2577         struct rte_eth_dev_callback *cb, *next;
2578
2579         if (!cb_fn)
2580                 return -EINVAL;
2581
2582         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2583
2584         dev = &rte_eth_devices[port_id];
2585         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2586
2587         ret = 0;
2588         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2589
2590                 next = TAILQ_NEXT(cb, next);
2591
2592                 if (cb->cb_fn != cb_fn || cb->event != event ||
2593                                 (cb->cb_arg != (void *)-1 &&
2594                                 cb->cb_arg != cb_arg))
2595                         continue;
2596
2597                 /*
2598                  * if this callback is not executing right now,
2599                  * then remove it.
2600                  */
2601                 if (cb->active == 0) {
2602                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2603                         rte_free(cb);
2604                 } else {
2605                         ret = -EAGAIN;
2606                 }
2607         }
2608
2609         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2610         return ret;
2611 }
2612
2613 void
2614 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2615         enum rte_eth_event_type event)
2616 {
2617         struct rte_eth_dev_callback *cb_lst;
2618         struct rte_eth_dev_callback dev_cb;
2619
2620         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2621         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2622                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2623                         continue;
2624                 dev_cb = *cb_lst;
2625                 cb_lst->active = 1;
2626                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2627                 dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2628                                                 dev_cb.cb_arg);
2629                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2630                 cb_lst->active = 0;
2631         }
2632         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2633 }
2634
2635 int
2636 rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
2637 {
2638         uint32_t vec;
2639         struct rte_eth_dev *dev;
2640         struct rte_intr_handle *intr_handle;
2641         uint16_t qid;
2642         int rc;
2643
2644         if (!rte_eth_dev_is_valid_port(port_id)) {
2645                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%u\n", port_id);
2646                 return -ENODEV;
2647         }
2648
2649         dev = &rte_eth_devices[port_id];
2650         intr_handle = &dev->pci_dev->intr_handle;
2651         if (!intr_handle->intr_vec) {
2652                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2653                 return -EPERM;
2654         }
2655
2656         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
2657                 vec = intr_handle->intr_vec[qid];
2658                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2659                 if (rc && rc != -EEXIST) {
2660                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2661                                         " op %d epfd %d vec %u\n",
2662                                         port_id, qid, op, epfd, vec);
2663                 }
2664         }
2665
2666         return 0;
2667 }
2668
2669 const struct rte_memzone *
2670 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
2671                          uint16_t queue_id, size_t size, unsigned align,
2672                          int socket_id)
2673 {
2674         char z_name[RTE_MEMZONE_NAMESIZE];
2675         const struct rte_memzone *mz;
2676
2677         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
2678                  dev->driver->pci_drv.name, ring_name,
2679                  dev->data->port_id, queue_id);
2680
2681         mz = rte_memzone_lookup(z_name);
2682         if (mz)
2683                 return mz;
2684
2685         if (rte_xen_dom0_supported())
2686                 return rte_memzone_reserve_bounded(z_name, size, socket_id,
2687                                                    0, align, RTE_PGSIZE_2M);
2688         else
2689                 return rte_memzone_reserve_aligned(z_name, size, socket_id,
2690                                                    0, align);
2691 }
2692
2693 int
2694 rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
2695                           int epfd, int op, void *data)
2696 {
2697         uint32_t vec;
2698         struct rte_eth_dev *dev;
2699         struct rte_intr_handle *intr_handle;
2700         int rc;
2701
2702         if (!rte_eth_dev_is_valid_port(port_id)) {
2703                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%u\n", port_id);
2704                 return -ENODEV;
2705         }
2706
2707         dev = &rte_eth_devices[port_id];
2708         if (queue_id >= dev->data->nb_rx_queues) {
2709                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
2710                 return -EINVAL;
2711         }
2712
2713         intr_handle = &dev->pci_dev->intr_handle;
2714         if (!intr_handle->intr_vec) {
2715                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2716                 return -EPERM;
2717         }
2718
2719         vec = intr_handle->intr_vec[queue_id];
2720         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2721         if (rc && rc != -EEXIST) {
2722                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2723                                 " op %d epfd %d vec %u\n",
2724                                 port_id, queue_id, op, epfd, vec);
2725                 return rc;
2726         }
2727
2728         return 0;
2729 }
2730
2731 int
2732 rte_eth_dev_rx_intr_enable(uint8_t port_id,
2733                            uint16_t queue_id)
2734 {
2735         struct rte_eth_dev *dev;
2736
2737         if (!rte_eth_dev_is_valid_port(port_id)) {
2738                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2739                 return -ENODEV;
2740         }
2741
2742         dev = &rte_eth_devices[port_id];
2743
2744         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
2745         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
2746 }
2747
2748 int
2749 rte_eth_dev_rx_intr_disable(uint8_t port_id,
2750                             uint16_t queue_id)
2751 {
2752         struct rte_eth_dev *dev;
2753
2754         if (!rte_eth_dev_is_valid_port(port_id)) {
2755                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2756                 return -ENODEV;
2757         }
2758
2759         dev = &rte_eth_devices[port_id];
2760
2761         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
2762         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
2763 }
2764
2765 #ifdef RTE_NIC_BYPASS
2766 int rte_eth_dev_bypass_init(uint8_t port_id)
2767 {
2768         struct rte_eth_dev *dev;
2769
2770         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2771
2772         dev = &rte_eth_devices[port_id];
2773         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_init, -ENOTSUP);
2774         (*dev->dev_ops->bypass_init)(dev);
2775         return 0;
2776 }
2777
2778 int
2779 rte_eth_dev_bypass_state_show(uint8_t port_id, uint32_t *state)
2780 {
2781         struct rte_eth_dev *dev;
2782
2783         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2784
2785         dev = &rte_eth_devices[port_id];
2786         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2787         (*dev->dev_ops->bypass_state_show)(dev, state);
2788         return 0;
2789 }
2790
2791 int
2792 rte_eth_dev_bypass_state_set(uint8_t port_id, uint32_t *new_state)
2793 {
2794         struct rte_eth_dev *dev;
2795
2796         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2797
2798         dev = &rte_eth_devices[port_id];
2799         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_set, -ENOTSUP);
2800         (*dev->dev_ops->bypass_state_set)(dev, new_state);
2801         return 0;
2802 }
2803
2804 int
2805 rte_eth_dev_bypass_event_show(uint8_t port_id, uint32_t event, uint32_t *state)
2806 {
2807         struct rte_eth_dev *dev;
2808
2809         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2810
2811         dev = &rte_eth_devices[port_id];
2812         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2813         (*dev->dev_ops->bypass_event_show)(dev, event, state);
2814         return 0;
2815 }
2816
2817 int
2818 rte_eth_dev_bypass_event_store(uint8_t port_id, uint32_t event, uint32_t state)
2819 {
2820         struct rte_eth_dev *dev;
2821
2822         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2823
2824         dev = &rte_eth_devices[port_id];
2825
2826         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_event_set, -ENOTSUP);
2827         (*dev->dev_ops->bypass_event_set)(dev, event, state);
2828         return 0;
2829 }
2830
2831 int
2832 rte_eth_dev_wd_timeout_store(uint8_t port_id, uint32_t timeout)
2833 {
2834         struct rte_eth_dev *dev;
2835
2836         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2837
2838         dev = &rte_eth_devices[port_id];
2839
2840         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_set, -ENOTSUP);
2841         (*dev->dev_ops->bypass_wd_timeout_set)(dev, timeout);
2842         return 0;
2843 }
2844
2845 int
2846 rte_eth_dev_bypass_ver_show(uint8_t port_id, uint32_t *ver)
2847 {
2848         struct rte_eth_dev *dev;
2849
2850         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2851
2852         dev = &rte_eth_devices[port_id];
2853
2854         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_ver_show, -ENOTSUP);
2855         (*dev->dev_ops->bypass_ver_show)(dev, ver);
2856         return 0;
2857 }
2858
2859 int
2860 rte_eth_dev_bypass_wd_timeout_show(uint8_t port_id, uint32_t *wd_timeout)
2861 {
2862         struct rte_eth_dev *dev;
2863
2864         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2865
2866         dev = &rte_eth_devices[port_id];
2867
2868         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_show, -ENOTSUP);
2869         (*dev->dev_ops->bypass_wd_timeout_show)(dev, wd_timeout);
2870         return 0;
2871 }
2872
2873 int
2874 rte_eth_dev_bypass_wd_reset(uint8_t port_id)
2875 {
2876         struct rte_eth_dev *dev;
2877
2878         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2879
2880         dev = &rte_eth_devices[port_id];
2881
2882         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_reset, -ENOTSUP);
2883         (*dev->dev_ops->bypass_wd_reset)(dev);
2884         return 0;
2885 }
2886 #endif
2887
2888 int
2889 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
2890 {
2891         struct rte_eth_dev *dev;
2892
2893         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2894
2895         dev = &rte_eth_devices[port_id];
2896         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2897         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
2898                                 RTE_ETH_FILTER_NOP, NULL);
2899 }
2900
2901 int
2902 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
2903                        enum rte_filter_op filter_op, void *arg)
2904 {
2905         struct rte_eth_dev *dev;
2906
2907         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2908
2909         dev = &rte_eth_devices[port_id];
2910         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2911         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
2912 }
2913
2914 void *
2915 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
2916                 rte_rx_callback_fn fn, void *user_param)
2917 {
2918 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2919         rte_errno = ENOTSUP;
2920         return NULL;
2921 #endif
2922         /* check input parameters */
2923         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2924                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2925                 rte_errno = EINVAL;
2926                 return NULL;
2927         }
2928
2929         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2930
2931         if (cb == NULL) {
2932                 rte_errno = ENOMEM;
2933                 return NULL;
2934         }
2935
2936         cb->fn.rx = fn;
2937         cb->param = user_param;
2938
2939         /* Add the callbacks in fifo order. */
2940         struct rte_eth_rxtx_callback *tail =
2941                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
2942
2943         if (!tail) {
2944                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
2945
2946         } else {
2947                 while (tail->next)
2948                         tail = tail->next;
2949                 tail->next = cb;
2950         }
2951
2952         return cb;
2953 }
2954
2955 void *
2956 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
2957                 rte_tx_callback_fn fn, void *user_param)
2958 {
2959 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2960         rte_errno = ENOTSUP;
2961         return NULL;
2962 #endif
2963         /* check input parameters */
2964         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2965                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
2966                 rte_errno = EINVAL;
2967                 return NULL;
2968         }
2969
2970         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2971
2972         if (cb == NULL) {
2973                 rte_errno = ENOMEM;
2974                 return NULL;
2975         }
2976
2977         cb->fn.tx = fn;
2978         cb->param = user_param;
2979
2980         /* Add the callbacks in fifo order. */
2981         struct rte_eth_rxtx_callback *tail =
2982                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
2983
2984         if (!tail) {
2985                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
2986
2987         } else {
2988                 while (tail->next)
2989                         tail = tail->next;
2990                 tail->next = cb;
2991         }
2992
2993         return cb;
2994 }
2995
2996 int
2997 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
2998                 struct rte_eth_rxtx_callback *user_cb)
2999 {
3000 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3001         return -ENOTSUP;
3002 #endif
3003         /* Check input parameters. */
3004         if (!rte_eth_dev_is_valid_port(port_id) || user_cb == NULL ||
3005                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3006                 return -EINVAL;
3007         }
3008
3009         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3010         struct rte_eth_rxtx_callback *cb = dev->post_rx_burst_cbs[queue_id];
3011         struct rte_eth_rxtx_callback *prev_cb;
3012
3013         /* Reset head pointer and remove user cb if first in the list. */
3014         if (cb == user_cb) {
3015                 dev->post_rx_burst_cbs[queue_id] = user_cb->next;
3016                 return 0;
3017         }
3018
3019         /* Remove the user cb from the callback list. */
3020         do {
3021                 prev_cb = cb;
3022                 cb = cb->next;
3023
3024                 if (cb == user_cb) {
3025                         prev_cb->next = user_cb->next;
3026                         return 0;
3027                 }
3028
3029         } while (cb != NULL);
3030
3031         /* Callback wasn't found. */
3032         return -EINVAL;
3033 }
3034
3035 int
3036 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3037                 struct rte_eth_rxtx_callback *user_cb)
3038 {
3039 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3040         return -ENOTSUP;
3041 #endif
3042         /* Check input parameters. */
3043         if (!rte_eth_dev_is_valid_port(port_id) || user_cb == NULL ||
3044                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3045                 return -EINVAL;
3046         }
3047
3048         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3049         struct rte_eth_rxtx_callback *cb = dev->pre_tx_burst_cbs[queue_id];
3050         struct rte_eth_rxtx_callback *prev_cb;
3051
3052         /* Reset head pointer and remove user cb if first in the list. */
3053         if (cb == user_cb) {
3054                 dev->pre_tx_burst_cbs[queue_id] = user_cb->next;
3055                 return 0;
3056         }
3057
3058         /* Remove the user cb from the callback list. */
3059         do {
3060                 prev_cb = cb;
3061                 cb = cb->next;
3062
3063                 if (cb == user_cb) {
3064                         prev_cb->next = user_cb->next;
3065                         return 0;
3066                 }
3067
3068         } while (cb != NULL);
3069
3070         /* Callback wasn't found. */
3071         return -EINVAL;
3072 }
3073
3074 int
3075 rte_eth_rx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3076         struct rte_eth_rxq_info *qinfo)
3077 {
3078         struct rte_eth_dev *dev;
3079
3080         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3081
3082         if (qinfo == NULL)
3083                 return -EINVAL;
3084
3085         dev = &rte_eth_devices[port_id];
3086         if (queue_id >= dev->data->nb_rx_queues) {
3087                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3088                 return -EINVAL;
3089         }
3090
3091         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3092
3093         memset(qinfo, 0, sizeof(*qinfo));
3094         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3095         return 0;
3096 }
3097
3098 int
3099 rte_eth_tx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3100         struct rte_eth_txq_info *qinfo)
3101 {
3102         struct rte_eth_dev *dev;
3103
3104         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3105
3106         if (qinfo == NULL)
3107                 return -EINVAL;
3108
3109         dev = &rte_eth_devices[port_id];
3110         if (queue_id >= dev->data->nb_tx_queues) {
3111                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3112                 return -EINVAL;
3113         }
3114
3115         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3116
3117         memset(qinfo, 0, sizeof(*qinfo));
3118         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3119         return 0;
3120 }
3121
3122 int
3123 rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3124                              struct ether_addr *mc_addr_set,
3125                              uint32_t nb_mc_addr)
3126 {
3127         struct rte_eth_dev *dev;
3128
3129         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3130
3131         dev = &rte_eth_devices[port_id];
3132         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3133         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3134 }
3135
3136 int
3137 rte_eth_timesync_enable(uint8_t port_id)
3138 {
3139         struct rte_eth_dev *dev;
3140
3141         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3142         dev = &rte_eth_devices[port_id];
3143
3144         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3145         return (*dev->dev_ops->timesync_enable)(dev);
3146 }
3147
3148 int
3149 rte_eth_timesync_disable(uint8_t port_id)
3150 {
3151         struct rte_eth_dev *dev;
3152
3153         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3154         dev = &rte_eth_devices[port_id];
3155
3156         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3157         return (*dev->dev_ops->timesync_disable)(dev);
3158 }
3159
3160 int
3161 rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
3162                                    uint32_t flags)
3163 {
3164         struct rte_eth_dev *dev;
3165
3166         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3167         dev = &rte_eth_devices[port_id];
3168
3169         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3170         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3171 }
3172
3173 int
3174 rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
3175 {
3176         struct rte_eth_dev *dev;
3177
3178         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3179         dev = &rte_eth_devices[port_id];
3180
3181         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3182         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3183 }
3184
3185 int
3186 rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta)
3187 {
3188         struct rte_eth_dev *dev;
3189
3190         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3191         dev = &rte_eth_devices[port_id];
3192
3193         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3194         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3195 }
3196
3197 int
3198 rte_eth_timesync_read_time(uint8_t port_id, struct timespec *timestamp)
3199 {
3200         struct rte_eth_dev *dev;
3201
3202         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3203         dev = &rte_eth_devices[port_id];
3204
3205         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3206         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3207 }
3208
3209 int
3210 rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *timestamp)
3211 {
3212         struct rte_eth_dev *dev;
3213
3214         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3215         dev = &rte_eth_devices[port_id];
3216
3217         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3218         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3219 }
3220
3221 int
3222 rte_eth_dev_get_reg_length(uint8_t port_id)
3223 {
3224         struct rte_eth_dev *dev;
3225
3226         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3227
3228         dev = &rte_eth_devices[port_id];
3229         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg_length, -ENOTSUP);
3230         return (*dev->dev_ops->get_reg_length)(dev);
3231 }
3232
3233 int
3234 rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info)
3235 {
3236         struct rte_eth_dev *dev;
3237
3238         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3239
3240         dev = &rte_eth_devices[port_id];
3241         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3242         return (*dev->dev_ops->get_reg)(dev, info);
3243 }
3244
3245 int
3246 rte_eth_dev_get_eeprom_length(uint8_t port_id)
3247 {
3248         struct rte_eth_dev *dev;
3249
3250         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3251
3252         dev = &rte_eth_devices[port_id];
3253         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3254         return (*dev->dev_ops->get_eeprom_length)(dev);
3255 }
3256
3257 int
3258 rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3259 {
3260         struct rte_eth_dev *dev;
3261
3262         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3263
3264         dev = &rte_eth_devices[port_id];
3265         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3266         return (*dev->dev_ops->get_eeprom)(dev, info);
3267 }
3268
3269 int
3270 rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3271 {
3272         struct rte_eth_dev *dev;
3273
3274         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3275
3276         dev = &rte_eth_devices[port_id];
3277         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3278         return (*dev->dev_ops->set_eeprom)(dev, info);
3279 }
3280
3281 int
3282 rte_eth_dev_get_dcb_info(uint8_t port_id,
3283                              struct rte_eth_dcb_info *dcb_info)
3284 {
3285         struct rte_eth_dev *dev;
3286
3287         if (!rte_eth_dev_is_valid_port(port_id)) {
3288                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3289                 return -ENODEV;
3290         }
3291
3292         dev = &rte_eth_devices[port_id];
3293         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3294
3295         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3296         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3297 }
3298
3299 void
3300 rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct rte_pci_device *pci_dev)
3301 {
3302         if ((eth_dev == NULL) || (pci_dev == NULL)) {
3303                 RTE_PMD_DEBUG_TRACE("NULL pointer eth_dev=%p pci_dev=%p\n",
3304                                 eth_dev, pci_dev);
3305                 return;
3306         }
3307
3308         eth_dev->data->dev_flags = 0;
3309         if (pci_dev->driver->drv_flags & RTE_PCI_DRV_INTR_LSC)
3310                 eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
3311         if (pci_dev->driver->drv_flags & RTE_PCI_DRV_DETACHABLE)
3312                 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
3313
3314         eth_dev->data->kdrv = pci_dev->kdrv;
3315         eth_dev->data->numa_node = pci_dev->numa_node;
3316         eth_dev->data->drv_name = pci_dev->driver->name;
3317 }
3318
3319 int
3320 rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
3321                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3322 {
3323         struct rte_eth_dev *dev;
3324
3325         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3326         if (l2_tunnel == NULL) {
3327                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3328                 return -EINVAL;
3329         }
3330
3331         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3332                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3333                 return -EINVAL;
3334         }
3335
3336         dev = &rte_eth_devices[port_id];
3337         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3338                                 -ENOTSUP);
3339         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3340 }
3341
3342 int
3343 rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
3344                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3345                                   uint32_t mask,
3346                                   uint8_t en)
3347 {
3348         struct rte_eth_dev *dev;
3349
3350         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3351
3352         if (l2_tunnel == NULL) {
3353                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3354                 return -EINVAL;
3355         }
3356
3357         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3358                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3359                 return -EINVAL;
3360         }
3361
3362         if (mask == 0) {
3363                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3364                 return -EINVAL;
3365         }
3366
3367         dev = &rte_eth_devices[port_id];
3368         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3369                                 -ENOTSUP);
3370         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3371 }