examples/ethtool/lib/rte_ethtool.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2016 Intel Corporation
   3  */
   4 #include <stdio.h>
   5 #include <string.h>
   6 #include <stdint.h>
   7 #include <rte_string_fns.h>
   8 #include <rte_version.h>
   9 #include <rte_ethdev.h>
  10 #include <rte_ether.h>
  11 #include <rte_bus_pci.h>
  12 #ifdef RTE_LIBRTE_IXGBE_PMD
  13 #include <rte_pmd_ixgbe.h>
  14 #endif
  15 #include "rte_ethtool.h"
  16
  17 #define PKTPOOL_SIZE 512
  18 #define PKTPOOL_CACHE 32
  19
  20
  21 int
  22 rte_ethtool_get_drvinfo(uint16_t port_id, struct ethtool_drvinfo *drvinfo)
  23 {
  24         struct rte_eth_dev_info dev_info;
  25         struct rte_dev_reg_info reg_info;
  26         const struct rte_pci_device *pci_dev;
  27         const struct rte_bus *bus = NULL;
  28         int n;
  29         int ret;
  30
  31         if (drvinfo == NULL)
  32                 return -EINVAL;
  33
  34         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
  35
  36         ret = rte_eth_dev_fw_version_get(port_id, drvinfo->fw_version,
  37                               sizeof(drvinfo->fw_version));
  38         if (ret < 0)
  39                 printf("firmware version get error: (%s)\n", strerror(-ret));
  40         else if (ret > 0)
  41                 printf("Insufficient fw version buffer size, "
  42                        "the minimum size should be %d\n", ret);
  43
  44         rte_eth_dev_info_get(port_id, &dev_info);
  45
  46         strlcpy(drvinfo->driver, dev_info.driver_name,
  47                 sizeof(drvinfo->driver));
  48         strlcpy(drvinfo->version, rte_version(), sizeof(drvinfo->version));
  49         /* TODO: replace bus_info by rte_devargs.name */
  50         if (dev_info.device)
  51                 bus = rte_bus_find_by_device(dev_info.device);
  52         if (bus && !strcmp(bus->name, "pci")) {
  53                 pci_dev = RTE_DEV_TO_PCI(dev_info.device);
  54                 snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
  55                         "%04x:%02x:%02x.%x",
  56                         pci_dev->addr.domain, pci_dev->addr.bus,
  57                         pci_dev->addr.devid, pci_dev->addr.function);
  58         } else {
  59                 snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info), "N/A");
  60         }
  61
  62         memset(&reg_info, 0, sizeof(reg_info));
  63         rte_eth_dev_get_reg_info(port_id, &reg_info);
  64         n = reg_info.length;
  65         if (n > 0)
  66                 drvinfo->regdump_len = n;
  67         else
  68                 drvinfo->regdump_len = 0;
  69
  70         n = rte_eth_dev_get_eeprom_length(port_id);
  71         if (n > 0)
  72                 drvinfo->eedump_len = n;
  73         else
  74                 drvinfo->eedump_len = 0;
  75
  76         drvinfo->n_stats = sizeof(struct rte_eth_stats) / sizeof(uint64_t);
  77         drvinfo->testinfo_len = 0;
  78
  79         return 0;
  80 }
  81
  82 int
  83 rte_ethtool_get_regs_len(uint16_t port_id)
  84 {
  85         struct rte_dev_reg_info reg_info;
  86         int ret;
  87
  88         memset(&reg_info, 0, sizeof(reg_info));
  89
  90         ret = rte_eth_dev_get_reg_info(port_id, &reg_info);
  91         if (ret)
  92                 return ret;
  93
  94         return reg_info.length * reg_info.width;
  95 }
  96
  97 int
  98 rte_ethtool_get_regs(uint16_t port_id, struct ethtool_regs *regs, void *data)
  99 {
 100         struct rte_dev_reg_info reg_info;
 101         int status;
 102
 103         if (regs == NULL || data == NULL)
 104                 return -EINVAL;
 105
 106         reg_info.data = data;
 107         reg_info.length = 0;
 108
 109         status = rte_eth_dev_get_reg_info(port_id, &reg_info);
 110         if (status)
 111                 return status;
 112         regs->version = reg_info.version;
 113
 114         return 0;
 115 }
 116
 117 int
 118 rte_ethtool_get_link(uint16_t port_id)
 119 {
 120         struct rte_eth_link link;
 121
 122         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 123         rte_eth_link_get(port_id, &link);
 124         return link.link_status;
 125 }
 126
 127 int
 128 rte_ethtool_get_eeprom_len(uint16_t port_id)
 129 {
 130         return rte_eth_dev_get_eeprom_length(port_id);
 131 }
 132
 133 int
 134 rte_ethtool_get_eeprom(uint16_t port_id, struct ethtool_eeprom *eeprom,
 135         void *words)
 136 {
 137         struct rte_dev_eeprom_info eeprom_info;
 138         int status;
 139
 140         if (eeprom == NULL || words == NULL)
 141                 return -EINVAL;
 142
 143         eeprom_info.offset = eeprom->offset;
 144         eeprom_info.length = eeprom->len;
 145         eeprom_info.data = words;
 146
 147         status = rte_eth_dev_get_eeprom(port_id, &eeprom_info);
 148         if (status)
 149                 return status;
 150
 151         eeprom->magic = eeprom_info.magic;
 152
 153         return 0;
 154 }
 155
 156 int
 157 rte_ethtool_set_eeprom(uint16_t port_id, struct ethtool_eeprom *eeprom,
 158         void *words)
 159 {
 160         struct rte_dev_eeprom_info eeprom_info;
 161         int status;
 162
 163         if (eeprom == NULL || words == NULL || eeprom->offset >= eeprom->len)
 164                 return -EINVAL;
 165
 166         eeprom_info.offset = eeprom->offset;
 167         eeprom_info.length = eeprom->len;
 168         eeprom_info.data = words;
 169
 170         status = rte_eth_dev_set_eeprom(port_id, &eeprom_info);
 171         if (status)
 172                 return status;
 173
 174         eeprom->magic = eeprom_info.magic;
 175
 176         return 0;
 177 }
 178
 179 int
 180 rte_ethtool_get_module_info(uint16_t port_id, uint32_t *modinfo)
 181 {
 182         struct rte_eth_dev_module_info *info;
 183
 184         info = (struct rte_eth_dev_module_info *)modinfo;
 185         return rte_eth_dev_get_module_info(port_id, info);
 186 }
 187
 188 int
 189 rte_ethtool_get_module_eeprom(uint16_t port_id, struct ethtool_eeprom *eeprom,
 190         void *words)
 191 {
 192         struct rte_dev_eeprom_info eeprom_info;
 193         int status;
 194
 195         if (eeprom == NULL || words == NULL)
 196                 return -EINVAL;
 197
 198         eeprom_info.offset = eeprom->offset;
 199         eeprom_info.length = eeprom->len;
 200         eeprom_info.data = words;
 201
 202         status = rte_eth_dev_get_module_eeprom(port_id, &eeprom_info);
 203         if (status)
 204                 return status;
 205
 206         return 0;
 207 }
 208
 209 int
 210 rte_ethtool_get_pauseparam(uint16_t port_id,
 211         struct ethtool_pauseparam *pause_param)
 212 {
 213         struct rte_eth_fc_conf fc_conf;
 214         int status;
 215
 216         if (pause_param == NULL)
 217                 return -EINVAL;
 218
 219         status = rte_eth_dev_flow_ctrl_get(port_id, &fc_conf);
 220         if (status)
 221                 return status;
 222
 223         pause_param->tx_pause = 0;
 224         pause_param->rx_pause = 0;
 225         switch (fc_conf.mode) {
 226         case RTE_FC_RX_PAUSE:
 227                 pause_param->rx_pause = 1;
 228                 break;
 229         case RTE_FC_TX_PAUSE:
 230                 pause_param->tx_pause = 1;
 231                 break;
 232         case RTE_FC_FULL:
 233                 pause_param->rx_pause = 1;
 234                 pause_param->tx_pause = 1;
 235         default:
 236                 /* dummy block to avoid compiler warning */
 237                 break;
 238         }
 239         pause_param->autoneg = (uint32_t)fc_conf.autoneg;
 240
 241         return 0;
 242 }
 243
 244 int
 245 rte_ethtool_set_pauseparam(uint16_t port_id,
 246         struct ethtool_pauseparam *pause_param)
 247 {
 248         struct rte_eth_fc_conf fc_conf;
 249         int status;
 250
 251         if (pause_param == NULL)
 252                 return -EINVAL;
 253
 254         /*
 255          * Read device flow control parameter first since
 256          * ethtool set_pauseparam op doesn't have all the information.
 257          * as defined in struct rte_eth_fc_conf.
 258          * This API requires the device to support both
 259          * rte_eth_dev_flow_ctrl_get and rte_eth_dev_flow_ctrl_set, otherwise
 260          * return -ENOTSUP
 261          */
 262         status = rte_eth_dev_flow_ctrl_get(port_id, &fc_conf);
 263         if (status)
 264                 return status;
 265
 266         fc_conf.autoneg = (uint8_t)pause_param->autoneg;
 267
 268         if (pause_param->tx_pause) {
 269                 if (pause_param->rx_pause)
 270                         fc_conf.mode = RTE_FC_FULL;
 271                 else
 272                         fc_conf.mode = RTE_FC_TX_PAUSE;
 273         } else {
 274                 if (pause_param->rx_pause)
 275                         fc_conf.mode = RTE_FC_RX_PAUSE;
 276                 else
 277                         fc_conf.mode = RTE_FC_NONE;
 278         }
 279
 280         status = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
 281         if (status)
 282                 return status;
 283
 284         return 0;
 285 }
 286
 287 int
 288 rte_ethtool_net_open(uint16_t port_id)
 289 {
 290         rte_eth_dev_stop(port_id);
 291
 292         return rte_eth_dev_start(port_id);
 293 }
 294
 295 int
 296 rte_ethtool_net_stop(uint16_t port_id)
 297 {
 298         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 299         rte_eth_dev_stop(port_id);
 300
 301         return 0;
 302 }
 303
 304 int
 305 rte_ethtool_net_get_mac_addr(uint16_t port_id, struct rte_ether_addr *addr)
 306 {
 307         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
 308         if (addr == NULL)
 309                 return -EINVAL;
 310         rte_eth_macaddr_get(port_id, addr);
 311
 312         return 0;
 313 }
 314
 315 int
 316 rte_ethtool_net_set_mac_addr(uint16_t port_id, struct rte_ether_addr *addr)
 317 {
 318         if (addr == NULL)
 319                 return -EINVAL;
 320         return rte_eth_dev_default_mac_addr_set(port_id, addr);
 321 }
 322
 323 int
 324 rte_ethtool_net_validate_addr(uint16_t port_id __rte_unused,
 325         struct rte_ether_addr *addr)
 326 {
 327         if (addr == NULL)
 328                 return -EINVAL;
 329         return rte_is_valid_assigned_ether_addr(addr);
 330 }
 331
 332 int
 333 rte_ethtool_net_change_mtu(uint16_t port_id, int mtu)
 334 {
 335         if (mtu < 0 || mtu > UINT16_MAX)
 336                 return -EINVAL;
 337         return rte_eth_dev_set_mtu(port_id, (uint16_t)mtu);
 338 }
 339
 340 int
 341 rte_ethtool_net_get_stats64(uint16_t port_id, struct rte_eth_stats *stats)
 342 {
 343         if (stats == NULL)
 344                 return -EINVAL;
 345         return rte_eth_stats_get(port_id, stats);
 346 }
 347
 348 int
 349 rte_ethtool_net_vlan_rx_add_vid(uint16_t port_id, uint16_t vid)
 350 {
 351         return rte_eth_dev_vlan_filter(port_id, vid, 1);
 352 }
 353
 354 int
 355 rte_ethtool_net_vlan_rx_kill_vid(uint16_t port_id, uint16_t vid)
 356 {
 357         return rte_eth_dev_vlan_filter(port_id, vid, 0);
 358 }
 359
 360 /*
 361  * The set_rx_mode provides driver-specific rx mode setting.
 362  * This implementation implements rx mode setting based upon
 363  * ixgbe/igb drivers. Further improvement is to provide a
 364  * callback op field over struct rte_eth_dev::dev_ops so each
 365  * driver can register device-specific implementation
 366  */
 367 int
 368 rte_ethtool_net_set_rx_mode(uint16_t port_id)
 369 {
 370         uint16_t num_vfs;
 371         struct rte_eth_dev_info dev_info;
 372         uint16_t vf;
 373
 374         rte_eth_dev_info_get(port_id, &dev_info);
 375         num_vfs = dev_info.max_vfs;
 376
 377         /* Set VF vf_rx_mode, VF unsupport status is discard */
 378         for (vf = 0; vf < num_vfs; vf++) {
 379 #ifdef RTE_LIBRTE_IXGBE_PMD
 380                 rte_pmd_ixgbe_set_vf_rxmode(port_id, vf,
 381                         ETH_VMDQ_ACCEPT_UNTAG, 0);
 382 #endif
 383         }
 384
 385         /* Enable Rx vlan filter, VF unspport status is discard */
 386         rte_eth_dev_set_vlan_offload(port_id, ETH_VLAN_FILTER_MASK);
 387
 388         return 0;
 389 }
 390
 391
 392 int
 393 rte_ethtool_get_ringparam(uint16_t port_id,
 394         struct ethtool_ringparam *ring_param)
 395 {
 396         struct rte_eth_dev_info dev_info;
 397         struct rte_eth_rxq_info rx_qinfo;
 398         struct rte_eth_txq_info tx_qinfo;
 399         int stat;
 400
 401         if (ring_param == NULL)
 402                 return -EINVAL;
 403
 404         rte_eth_dev_info_get(port_id, &dev_info);
 405
 406         stat = rte_eth_rx_queue_info_get(port_id, 0, &rx_qinfo);
 407         if (stat != 0)
 408                 return stat;
 409
 410         stat = rte_eth_tx_queue_info_get(port_id, 0, &tx_qinfo);
 411         if (stat != 0)
 412                 return stat;
 413
 414         memset(ring_param, 0, sizeof(*ring_param));
 415         ring_param->rx_pending = rx_qinfo.nb_desc;
 416         ring_param->rx_max_pending = dev_info.rx_desc_lim.nb_max;
 417         ring_param->tx_pending = tx_qinfo.nb_desc;
 418         ring_param->tx_max_pending = dev_info.tx_desc_lim.nb_max;
 419
 420         return 0;
 421 }
 422
 423
 424 int
 425 rte_ethtool_set_ringparam(uint16_t port_id,
 426         struct ethtool_ringparam *ring_param)
 427 {
 428         struct rte_eth_rxq_info rx_qinfo;
 429         int stat;
 430
 431         if (ring_param == NULL)
 432                 return -EINVAL;
 433
 434         stat = rte_eth_rx_queue_info_get(port_id, 0, &rx_qinfo);
 435         if (stat != 0)
 436                 return stat;
 437
 438         rte_eth_dev_stop(port_id);
 439
 440         stat = rte_eth_tx_queue_setup(port_id, 0, ring_param->tx_pending,
 441                 rte_socket_id(), NULL);
 442         if (stat != 0)
 443                 return stat;
 444
 445         stat = rte_eth_rx_queue_setup(port_id, 0, ring_param->rx_pending,
 446                 rte_socket_id(), NULL, rx_qinfo.mp);
 447         if (stat != 0)
 448                 return stat;
 449
 450         return rte_eth_dev_start(port_id);
 451 }