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