lib/librte_ether/rte_ethdev.c

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