VNFs/DPPD-PROX/prox_port_cfg.c

   1 /*
   2 // Copyright (c) 2010-2017 Intel Corporation
   3 //
   4 // Licensed under the Apache License, Version 2.0 (the "License");
   5 // you may not use this file except in compliance with the License.
   6 // You may obtain a copy of the License at
   7 //
   8 //     http://www.apache.org/licenses/LICENSE-2.0
   9 //
  10 // Unless required by applicable law or agreed to in writing, software
  11 // distributed under the License is distributed on an "AS IS" BASIS,
  12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 // See the License for the specific language governing permissions and
  14 // limitations under the License.
  15 */
  16
  17 #include <string.h>
  18 #include <stdio.h>
  19 #include <rte_version.h>
  20 #include <rte_eth_ring.h>
  21 #include <rte_mbuf.h>
  22 #if (RTE_VERSION >= RTE_VERSION_NUM(17,11,0,0))
  23 #include <rte_bus_vdev.h>
  24 #else
  25 #if (RTE_VERSION > RTE_VERSION_NUM(17,5,0,2))
  26 #include <rte_dev.h>
  27 #else
  28 #if (RTE_VERSION >= RTE_VERSION_NUM(2,1,0,0))
  29 #include <rte_eth_null.h>
  30 #endif
  31 #endif
  32 #endif
  33
  34 #include "prox_port_cfg.h"
  35 #include "prox_globals.h"
  36 #include "log.h"
  37 #include "quit.h"
  38 #include "defaults.h"
  39 #include "toeplitz.h"
  40 #include "defines.h"
  41 #include "prox_cksum.h"
  42 #include "stats_irq.h"
  43 #include "prox_compat.h"
  44
  45 struct prox_port_cfg prox_port_cfg[PROX_MAX_PORTS];
  46 rte_atomic32_t lsc;
  47
  48 int prox_nb_active_ports(void)
  49 {
  50         int ret = 0;
  51         for (uint32_t i = 0; i < PROX_MAX_PORTS; ++i) {
  52                 ret += prox_port_cfg[i].active;
  53         }
  54         return ret;
  55 }
  56
  57 int prox_last_port_active(void)
  58 {
  59         int ret = -1;
  60         for (uint32_t i = 0; i < PROX_MAX_PORTS; ++i) {
  61                 if (prox_port_cfg[i].active) {
  62                         ret = i;
  63                 }
  64         }
  65         return ret;
  66 }
  67
  68 #if RTE_VERSION >= RTE_VERSION_NUM(17,11,0,0)
  69 static int lsc_cb(__attribute__((unused)) uint16_t port_id, enum rte_eth_event_type type, __attribute__((unused)) void *param,
  70         __attribute__((unused)) void *ret_param)
  71 #else
  72 #if RTE_VERSION >= RTE_VERSION_NUM(17,8,0,1)
  73 static int lsc_cb(__attribute__((unused)) uint8_t port_id, enum rte_eth_event_type type, __attribute__((unused)) void *param,
  74         __attribute__((unused)) void *ret_param)
  75 #else
  76 static void lsc_cb(__attribute__((unused)) uint8_t port_id, enum rte_eth_event_type type, __attribute__((unused)) void *param)
  77 #endif
  78 #endif
  79 {
  80         if (RTE_ETH_EVENT_INTR_LSC != type) {
  81 #if RTE_VERSION >= RTE_VERSION_NUM(17,8,0,1)
  82                 return -1;
  83 #else
  84                 return;
  85 #endif
  86         }
  87
  88         rte_atomic32_inc(&lsc);
  89
  90 #if RTE_VERSION >= RTE_VERSION_NUM(17,8,0,1)
  91         return 0;
  92 #endif
  93 }
  94
  95 struct prox_pktmbuf_reinit_args {
  96         struct rte_mempool *mp;
  97         struct lcore_cfg   *lconf;
  98 };
  99
 100 /* standard mbuf initialization procedure */
 101 void prox_pktmbuf_init(struct rte_mempool *mp, void *opaque_arg, void *_m, unsigned i)
 102 {
 103         struct rte_mbuf *mbuf = _m;
 104
 105 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
 106         mbuf->tx_offload = CALC_TX_OL(sizeof(struct ether_hdr), sizeof(struct ipv4_hdr));
 107 #else
 108         mbuf->pkt.vlan_macip.f.l2_len = sizeof(struct ether_hdr);
 109         mbuf->pkt.vlan_macip.f.l3_len = sizeof(struct ipv4_hdr);
 110 #endif
 111
 112         rte_pktmbuf_init(mp, opaque_arg, mbuf, i);
 113 }
 114
 115 void prox_pktmbuf_reinit(void *arg, void *start, __attribute__((unused)) void *end, uint32_t idx)
 116 {
 117         struct prox_pktmbuf_reinit_args *init_args = arg;
 118         struct rte_mbuf *m;
 119         char* obj = start;
 120
 121         obj += init_args->mp->header_size;
 122         m = (struct rte_mbuf*)obj;
 123
 124         prox_pktmbuf_init(init_args->mp, init_args->lconf, obj, idx);
 125 }
 126
 127 #define CONFIGURE_TX_OFFLOAD(flag)                                           \
 128         if (port_cfg->requested_tx_offload & flag)                              {\
 129                 if (port_cfg->disabled_tx_offload & flag)                       {\
 130                         plog_info("\t\t%s disabled by configuration\n", #flag);\
 131                         port_cfg->requested_tx_offload &= ~flag;\
 132                 } else if (port_cfg->dev_info.tx_offload_capa & flag) {\
 133                         port_cfg->port_conf.txmode.offloads |= flag;\
 134                         plog_info("\t\t%s enabled on port\n", #flag);\
 135                 } else if (port_cfg->dev_info.tx_queue_offload_capa & flag) {\
 136                         port_cfg->tx_conf.offloads |= flag;\
 137                         plog_info("\t\t%s enabled on queue\n", #flag);\
 138                 } else {\
 139                         port_cfg->requested_tx_offload &= ~flag;\
 140                         plog_info("\t\t%s disabled as neither port or queue supports it\n", #flag);\
 141                 }\
 142         } else {\
 143                 plog_info("\t\t%s disabled\n", #flag);\
 144         }\
 145
 146 #define CONFIGURE_RX_OFFLOAD(flag)                                           \
 147         if (port_cfg->requested_rx_offload & flag)                              {\
 148                 if (port_cfg->dev_info.rx_offload_capa & flag) {\
 149                         port_cfg->port_conf.rxmode.offloads |= flag;\
 150                         plog_info("\t\t%s enabled on port\n", #flag);\
 151                 } else if (port_cfg->dev_info.rx_queue_offload_capa & flag) {\
 152                         port_cfg->rx_conf.offloads |= flag;\
 153                         plog_info("\t\t%s enabled on queue\n", #flag);\
 154                 } else {\
 155                         port_cfg->requested_rx_offload &= ~flag;\
 156                         plog_info("\t\t%s disabled as neither port or queue supports it\n", #flag);\
 157                 }\
 158         } else {\
 159                 plog_info("\t\t%s disabled\n", #flag);\
 160         }\
 161
 162
 163 /* initialize rte devices and check the number of available ports */
 164 void init_rte_dev(int use_dummy_devices)
 165 {
 166         uint8_t nb_ports, port_id_max;
 167         int port_id_last;
 168         struct rte_eth_dev_info dev_info;
 169         const struct rte_pci_device *pci_dev;
 170
 171         nb_ports = rte_eth_dev_count();
 172         /* get available ports configuration */
 173         PROX_PANIC(use_dummy_devices && nb_ports, "Can't use dummy devices while there are also real ports\n");
 174
 175         if (use_dummy_devices) {
 176 #if (RTE_VERSION >= RTE_VERSION_NUM(2,1,0,0))
 177                 nb_ports = prox_last_port_active() + 1;
 178                 plog_info("Creating %u dummy devices\n", nb_ports);
 179
 180                 char port_name[32] = "0dummy_dev";
 181                 for (uint32_t i = 0; i < nb_ports; ++i) {
 182 #if (RTE_VERSION > RTE_VERSION_NUM(17,5,0,1))
 183                         rte_vdev_init(port_name, "size=ETHER_MIN_LEN,copy=0");
 184 #else
 185                         eth_dev_null_create(port_name, 0, ETHER_MIN_LEN, 0);
 186 #endif
 187                         port_name[0]++;
 188                 }
 189 #else
 190         PROX_PANIC(use_dummy_devices, "Can't use dummy devices\n");
 191 #endif
 192         }
 193         else if (prox_last_port_active() != -1) {
 194                 PROX_PANIC(nb_ports == 0, "\tError: DPDK could not find any port\n");
 195                 plog_info("\tDPDK has found %u ports\n", nb_ports);
 196         }
 197
 198         if (nb_ports > PROX_MAX_PORTS) {
 199                 plog_warn("\tWarning: I can deal with at most %u ports."
 200                         " Please update PROX_MAX_PORTS and recompile.\n", PROX_MAX_PORTS);
 201
 202                 nb_ports = PROX_MAX_PORTS;
 203         }
 204         port_id_max = nb_ports - 1;
 205         port_id_last = prox_last_port_active();
 206         PROX_PANIC(port_id_last > port_id_max,
 207                    "\tError: invalid port(s) specified, last port index active: %d (max index is %d)\n",
 208                    port_id_last, port_id_max);
 209
 210         /* Assign ports to PROX interfaces & Read max RX/TX queues per port */
 211         for (uint8_t port_id = 0; port_id < nb_ports; ++port_id) {
 212                 /* skip ports that are not enabled */
 213                 if (!prox_port_cfg[port_id].active) {
 214                         continue;
 215                 }
 216                 plog_info("\tGetting info for rte dev %u\n", port_id);
 217                 rte_eth_dev_info_get(port_id, &dev_info);
 218                 struct prox_port_cfg* port_cfg = &prox_port_cfg[port_id];
 219                 port_cfg->socket = -1;
 220
 221                 memcpy(&port_cfg->dev_info, &dev_info, sizeof(struct rte_eth_dev_info));
 222                 port_cfg->max_txq = dev_info.max_tx_queues;
 223                 port_cfg->max_rxq = dev_info.max_rx_queues;
 224                 port_cfg->max_rx_pkt_len = dev_info.max_rx_pktlen;
 225                 port_cfg->min_rx_bufsize = dev_info.min_rx_bufsize;
 226
 227                 strncpy(port_cfg->driver_name, dev_info.driver_name, sizeof(port_cfg->driver_name));
 228                 plog_info("\tPort %u : driver='%s' tx_queues=%d rx_queues=%d\n", port_id, !strcmp(port_cfg->driver_name, "")? "null" : port_cfg->driver_name, port_cfg->max_txq, port_cfg->max_rxq);
 229
 230                 if (strncmp(port_cfg->driver_name, "rte_", 4) == 0) {
 231                         strncpy(port_cfg->short_name, prox_port_cfg[port_id].driver_name + 4, sizeof(port_cfg->short_name));
 232                 } else if (strncmp(port_cfg->driver_name, "net_", 4) == 0) {
 233                         strncpy(port_cfg->short_name, prox_port_cfg[port_id].driver_name + 4, sizeof(port_cfg->short_name));
 234                 } else {
 235                         strncpy(port_cfg->short_name, prox_port_cfg[port_id].driver_name, sizeof(port_cfg->short_name));
 236                 }
 237                 char *ptr;
 238                 if ((ptr = strstr(port_cfg->short_name, "_pmd")) != NULL) {
 239                         *ptr = '\x0';
 240                 }
 241
 242 #if RTE_VERSION < RTE_VERSION_NUM(18,5,0,0)
 243                 pci_dev = dev_info.pci_dev;
 244 #else
 245                 if (!dev_info.device)
 246                         continue;
 247                 pci_dev = RTE_DEV_TO_PCI(dev_info.device);
 248 #endif
 249                 if (!pci_dev)
 250                         continue;
 251
 252                 snprintf(port_cfg->pci_addr, sizeof(port_cfg->pci_addr),
 253                          "%04x:%02x:%02x.%1x", pci_dev->addr.domain, pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function);
 254                 /* Try to find the device's numa node */
 255                 char buf[1024];
 256                 snprintf(buf, sizeof(buf), "/sys/bus/pci/devices/%s/numa_node", port_cfg->pci_addr);
 257                 FILE* numa_node_fd = fopen(buf, "r");
 258                 if (numa_node_fd) {
 259                         if (fgets(buf, sizeof(buf), numa_node_fd) == NULL) {
 260                                 plog_warn("Failed to read numa_node for device %s\n", port_cfg->pci_addr);
 261                         }
 262                         port_cfg->socket = strtol(buf, 0, 0);
 263                         if (port_cfg->socket == -1) {
 264                                 plog_warn("System did not report numa_node for device %s\n", port_cfg->pci_addr);
 265                         }
 266                         fclose(numa_node_fd);
 267                 }
 268
 269                 // In DPDK 18.08 vmxnet3 reports it supports IPV4 checksum, but packets does not go through when IPv4 cksum is enabled
 270                 if ((!strcmp(port_cfg->short_name, "vmxnet3")) && (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)) {
 271                         plog_info("\t\tDisabling IPV4 cksum on vmxnet3\n");
 272                         port_cfg->disabled_tx_offload |= DEV_TX_OFFLOAD_IPV4_CKSUM;
 273                 }
 274                 if ((!strcmp(port_cfg->short_name, "vmxnet3")) && (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_CKSUM)) {
 275                         plog_info("\t\tDisabling UDP cksum on vmxnet3\n");
 276                         port_cfg->disabled_tx_offload |= DEV_TX_OFFLOAD_UDP_CKSUM;
 277                 }
 278         }
 279 }
 280
 281 /* Create rte ring-backed devices */
 282 uint8_t init_rte_ring_dev(void)
 283 {
 284         uint8_t nb_ring_dev = 0;
 285
 286         for (uint8_t port_id = 0; port_id < PROX_MAX_PORTS; ++port_id) {
 287                 /* skip ports that are not enabled */
 288                 if (!prox_port_cfg[port_id].active) {
 289                         continue;
 290                 }
 291                 struct prox_port_cfg* port_cfg = &prox_port_cfg[port_id];
 292                 if (port_cfg->rx_ring[0] != '\0') {
 293                         plog_info("\tRing-backed port %u: rx='%s' tx='%s'\n", port_id, port_cfg->rx_ring, port_cfg->tx_ring);
 294
 295                         struct rte_ring* rx_ring = rte_ring_lookup(port_cfg->rx_ring);
 296                         PROX_PANIC(rx_ring == NULL, "Ring %s not found for port %d!\n", port_cfg->rx_ring, port_id);
 297                         struct rte_ring* tx_ring = rte_ring_lookup(port_cfg->tx_ring);
 298                         PROX_PANIC(tx_ring == NULL, "Ring %s not found for port %d!\n", port_cfg->tx_ring, port_id);
 299
 300                         int ret = rte_eth_from_rings(port_cfg->name, &rx_ring, 1, &tx_ring, 1, rte_socket_id());
 301                         PROX_PANIC(ret != 0, "Failed to create eth_dev from rings for port %d\n", port_id);
 302
 303                         port_cfg->port_conf.intr_conf.lsc = 0; /* Link state interrupt not supported for ring-backed ports */
 304
 305                         nb_ring_dev++;
 306                 }
 307         }
 308
 309         return nb_ring_dev;
 310 }
 311
 312 static void init_port(struct prox_port_cfg *port_cfg)
 313 {
 314         static char dummy_pool_name[] = "0_dummy";
 315         struct rte_eth_link link;
 316         uint8_t port_id;
 317         int ret;
 318
 319         port_id = port_cfg - prox_port_cfg;
 320         plog_info("\t*** Initializing port %u ***\n", port_id);
 321         plog_info("\t\tPort name is set to %s\n", port_cfg->name);
 322         plog_info("\t\tPort max RX/TX queue is %u/%u\n", port_cfg->max_rxq, port_cfg->max_txq);
 323         plog_info("\t\tPort driver is %s\n", port_cfg->driver_name);
 324 #if RTE_VERSION >= RTE_VERSION_NUM(16,4,0,0)
 325         plog_info("\t\tSupported speed mask = 0x%x\n", port_cfg->dev_info.speed_capa);
 326 #endif
 327
 328         PROX_PANIC(port_cfg->n_rxq == 0 && port_cfg->n_txq == 0,
 329                    "\t\t port %u is enabled but no RX or TX queues have been configured", port_id);
 330
 331         if (port_cfg->n_rxq == 0) {
 332                 /* not receiving on this port */
 333                 plog_info("\t\tPort %u had no RX queues, setting to 1\n", port_id);
 334                 port_cfg->n_rxq = 1;
 335                 uint32_t mbuf_size = TX_MBUF_SIZE;
 336                 plog_info("\t\tAllocating dummy memory pool on socket %u with %u elements of size %u\n",
 337                           port_cfg->socket, port_cfg->n_rxd, mbuf_size);
 338                 port_cfg->pool[0] = rte_mempool_create(dummy_pool_name, port_cfg->n_rxd, mbuf_size,
 339                                                        0,
 340                                                        sizeof(struct rte_pktmbuf_pool_private),
 341                                                        rte_pktmbuf_pool_init, NULL,
 342                                                        prox_pktmbuf_init, 0,
 343                                                        port_cfg->socket, 0);
 344                 PROX_PANIC(port_cfg->pool[0] == NULL, "Failed to allocate dummy memory pool on socket %u with %u elements\n",
 345                            port_cfg->socket, port_cfg->n_rxd);
 346                 dummy_pool_name[0]++;
 347         } else {
 348                 // Most pmd should now support setting mtu
 349                 if (port_cfg->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN > port_cfg->max_rx_pkt_len) {
 350                         plog_info("\t\tMTU is too big for the port, reducing MTU from %d to %d\n", port_cfg->mtu, port_cfg->max_rx_pkt_len);
 351                         port_cfg->mtu = port_cfg->max_rx_pkt_len;
 352                 }
 353                 plog_info("\t\tSetting MTU size to %u for port %u ...\n", port_cfg->mtu, port_id);
 354                 ret = rte_eth_dev_set_mtu(port_id, port_cfg->mtu);
 355                 if (ret)
 356                         plog_err("\t\t\trte_eth_dev_set_mtu() failed on port %u: error %d\n", port_id, ret);
 357
 358                 if (port_cfg->n_txq == 0) {
 359                         /* not sending on this port */
 360                         plog_info("\t\tPort %u had no TX queues, setting to 1\n", port_id);
 361                         port_cfg->n_txq = 1;
 362                 }
 363         }
 364
 365         if (port_cfg->n_rxq > 1)  {
 366                 // Enable RSS if multiple receive queues
 367                 port_cfg->port_conf.rxmode.mq_mode                      |= ETH_MQ_RX_RSS;
 368                 port_cfg->port_conf.rx_adv_conf.rss_conf.rss_key        = toeplitz_init_key;
 369                 port_cfg->port_conf.rx_adv_conf.rss_conf.rss_key_len    = TOEPLITZ_KEY_LEN;
 370 #if RTE_VERSION >= RTE_VERSION_NUM(2,0,0,0)
 371                 port_cfg->port_conf.rx_adv_conf.rss_conf.rss_hf         = ETH_RSS_IPV4|ETH_RSS_NONFRAG_IPV4_UDP;
 372 #else
 373                 port_cfg->port_conf.rx_adv_conf.rss_conf.rss_hf         = ETH_RSS_IPV4|ETH_RSS_NONF_IPV4_UDP;
 374 #endif
 375         }
 376
 377 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 378         plog_info("\t\tRX offload capa = 0x%lx = ", port_cfg->dev_info.rx_offload_capa);
 379         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_VLAN_STRIP)
 380                 plog_info("VLAN STRIP | ");
 381         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
 382                 plog_info("IPV4 CKSUM | ");
 383         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
 384                 plog_info("UDP CKSUM | ");
 385         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
 386                 plog_info("TCP CKSUM | ");
 387         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
 388                 plog_info("TCP LRO | ");
 389         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_QINQ_STRIP)
 390                 plog_info("QINQ STRIP | ");
 391         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM)
 392                 plog_info("OUTER_IPV4_CKSUM | ");
 393         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_MACSEC_STRIP)
 394                 plog_info("MACSEC STRIP | ");
 395         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_HEADER_SPLIT)
 396                 plog_info("HEADER SPLIT | ");
 397         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_VLAN_FILTER)
 398                 plog_info("VLAN FILTER | ");
 399         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_VLAN_EXTEND)
 400                 plog_info("VLAN EXTEND | ");
 401         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_JUMBO_FRAME)
 402                 plog_info("JUMBO FRAME | ");
 403         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_CRC_STRIP)
 404                 plog_info("CRC STRIP | ");
 405         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_SCATTER)
 406                 plog_info("SCATTER | ");
 407         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TIMESTAMP)
 408                 plog_info("TIMESTAMP | ");
 409         if (port_cfg->dev_info.rx_offload_capa & DEV_RX_OFFLOAD_SECURITY)
 410                 plog_info("SECURITY ");
 411         plog_info("\n");
 412
 413         plog_info("\t\tTX offload capa = 0x%lx = ", port_cfg->dev_info.tx_offload_capa);
 414         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_VLAN_INSERT)
 415                 plog_info("VLAN INSERT | ");
 416         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
 417                 plog_info("IPV4 CKSUM | ");
 418         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_CKSUM)
 419                 plog_info("UDP CKSUM | ");
 420         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_CKSUM)
 421                 plog_info("TCP CKSUM | ");
 422         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_SCTP_CKSUM)
 423                 plog_info("SCTP CKSUM | ");
 424         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO)
 425                 plog_info("TCP TS0 | ");
 426         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_TSO)
 427                 plog_info("UDP TSO | ");
 428         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
 429                 plog_info("OUTER IPV4 CKSUM | ");
 430         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_QINQ_INSERT)
 431                 plog_info("QINQ INSERT | ");
 432         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO)
 433                 plog_info("VLAN TNL TSO | ");
 434         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_GRE_TNL_TSO)
 435                 plog_info("GRE TNL TSO | ");
 436         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPIP_TNL_TSO)
 437                 plog_info("IPIP TNL TSO | ");
 438         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_GENEVE_TNL_TSO)
 439                 plog_info("GENEVE TNL TSO | ");
 440         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MACSEC_INSERT)
 441                 plog_info("MACSEC INSERT | ");
 442         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MT_LOCKFREE)
 443                 plog_info("MT LOCKFREE | ");
 444         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MULTI_SEGS)
 445                 plog_info("MULTI SEG | ");
 446         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_SECURITY)
 447                 plog_info("SECURITY | ");
 448         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_TNL_TSO)
 449                 plog_info("UDP TNL TSO | ");
 450         if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IP_TNL_TSO)
 451                 plog_info("IP TNL TSO | ");
 452         plog_info("\n");
 453
 454         plog_info("\t\trx_queue_offload_capa = 0x%lx\n", port_cfg->dev_info.rx_queue_offload_capa);
 455         plog_info("\t\ttx_queue_offload_capa = 0x%lx\n", port_cfg->dev_info.tx_queue_offload_capa);
 456         plog_info("\t\tflow_type_rss_offloads = 0x%lx\n", port_cfg->dev_info.flow_type_rss_offloads);
 457         plog_info("\t\tdefault RX port conf: burst_size = %d, ring_size = %d, nb_queues = %d\n", port_cfg->dev_info.default_rxportconf.burst_size, port_cfg->dev_info.default_rxportconf.ring_size, port_cfg->dev_info.default_rxportconf.nb_queues);
 458         plog_info("\t\tdefault TX port conf: burst_size = %d, ring_size = %d, nb_queues = %d\n", port_cfg->dev_info.default_txportconf.burst_size, port_cfg->dev_info.default_txportconf.ring_size, port_cfg->dev_info.default_txportconf.nb_queues);
 459 #endif
 460
 461         // rxmode such as hw src strip
 462 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 463         CONFIGURE_RX_OFFLOAD(DEV_RX_OFFLOAD_CRC_STRIP);
 464         CONFIGURE_RX_OFFLOAD(DEV_RX_OFFLOAD_JUMBO_FRAME);
 465 #else
 466         if (port_cfg->requested_rx_offload & DEV_RX_OFFLOAD_CRC_STRIP) {
 467                 port_cfg->port_conf.rxmode.hw_strip_crc = 1;
 468         }
 469         if (port_cfg->requested_rx_offload & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 470                 port_cfg->port_conf.rxmode.jumbo_frame = 1;
 471         }
 472 #endif
 473
 474         // IPV4, UDP, SCTP Checksums
 475 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 476         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_IPV4_CKSUM);
 477         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_UDP_CKSUM);
 478 #else
 479         if ((port_cfg->dev_info.tx_offload_capa & (DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM)) == 0) {
 480                 port_cfg->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOOFFLOADS;
 481                 plog_info("\t\tDisabling TX offloads as pmd reports that it does not support them)\n");
 482         }
 483         if (!strcmp(port_cfg->short_name, "vmxnet3")) {
 484                 port_cfg->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOXSUMSCTP;
 485                 plog_info("\t\tDisabling SCTP offload on port %d as vmxnet3 does not support them\n", port_id);
 486         }
 487 #endif
 488         // Multi Segments
 489 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 490         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_MULTI_SEGS);
 491         //if (port_cfg->requested_tx_offload & DEV_TX_OFFLOAD_MULTI_SEGS) {
 492                 //if (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MULTI_SEGS) {
 493                         //port_cfg->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
 494                         //plog_info("\t\tMULTI SEGS TX offloads enabled on port)\n");
 495                 //} else if (port_cfg->dev_info.tx_queue_offload_capa & DEV_TX_OFFLOAD_MULTI_SEGS) {
 496                         //port_cfg->tx_conf.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
 497                         //plog_info("\t\tMULTI SEGS TX offloads enabled on queue)\n");
 498                 //} else {
 499                         //port_cfg->requested_tx_offload &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
 500                         //plog_info("\t\tMULTI SEGS TX offloads disabled) as neither port or queue supports it\n");
 501                 //}
 502         //} else
 503                 //plog_info("\t\tMULTI SEGS TX offloads disabled)\n");
 504 #else
 505         if (!strcmp(port_cfg->short_name, "vmxnet3")) {
 506                 port_cfg->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
 507                 plog_info("\t\tDisabling TX multsegs on port %d as vmxnet3 does not support them\n", port_id);
 508         } else if (port_cfg->tx_conf.txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS)
 509                 plog_info("\t\tDisabling TX multsegs on port %d\n", port_id);
 510         else
 511                 plog_info("\t\tEnabling TX multsegs on port %d\n", port_id);
 512
 513         if (port_cfg->tx_conf.txq_flags & ETH_TXQ_FLAGS_NOOFFLOADS)
 514                 plog_info("\t\tEnabling No TX offloads on port %d\n", port_id);
 515         else
 516                 plog_info("\t\tTX offloads enabled on port %d\n", port_id);
 517 #endif
 518
 519         // Refcount
 520 #if RTE_VERSION >= RTE_VERSION_NUM(18,8,0,1)
 521         CONFIGURE_TX_OFFLOAD(DEV_TX_OFFLOAD_MBUF_FAST_FREE);
 522 #else
 523         if (port_cfg->tx_conf.txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT)
 524                 plog_info("\t\tEnabling No refcnt on port %d\n", port_id);
 525         else
 526                 plog_info("\t\tRefcnt enabled on port %d\n", port_id);
 527 #endif
 528
 529         plog_info("\t\tConfiguring port %u... with %u RX queues and %u TX queues\n",
 530                   port_id, port_cfg->n_rxq, port_cfg->n_txq);
 531
 532         PROX_PANIC(port_cfg->n_rxq > port_cfg->max_rxq, "\t\t\tToo many RX queues (configuring %u, max is %u)\n", port_cfg->n_rxq, port_cfg->max_rxq);
 533         PROX_PANIC(port_cfg->n_txq > port_cfg->max_txq, "\t\t\tToo many TX queues (configuring %u, max is %u)\n", port_cfg->n_txq, port_cfg->max_txq);
 534
 535         if (!strcmp(port_cfg->short_name, "ixgbe_vf") ||
 536             !strcmp(port_cfg->short_name, "virtio") ||
 537 #if RTE_VERSION < RTE_VERSION_NUM(1,8,0,0)
 538             !strcmp(port_cfg->short_name, "i40e") ||
 539 #endif
 540             !strcmp(port_cfg->short_name, "i40e_vf") ||
 541             !strcmp(port_cfg->short_name, "avp") || /* Wind River */
 542             !strcmp(port_cfg->driver_name, "") || /* NULL device */
 543             !strcmp(port_cfg->short_name, "vmxnet3")) {
 544                 port_cfg->port_conf.intr_conf.lsc = 0;
 545                 plog_info("\t\tDisabling link state interrupt for vmxnet3/VF/virtio (unsupported)\n");
 546         }
 547
 548         if (port_cfg->lsc_set_explicitely) {
 549                 port_cfg->port_conf.intr_conf.lsc = port_cfg->lsc_val;
 550                 plog_info("\t\tOverriding link state interrupt configuration to '%s'\n", port_cfg->lsc_val? "enabled" : "disabled");
 551         }
 552         if (!strcmp(port_cfg->short_name, "vmxnet3")) {
 553                 if (port_cfg->n_txd < 512) {
 554                         // Vmxnet3 driver requires minimum 512 tx descriptors
 555                         plog_info("\t\tNumber of TX descriptors is set to 512 (minimum required for vmxnet3\n");
 556                         port_cfg->n_txd = 512;
 557                 }
 558         }
 559
 560         ret = rte_eth_dev_configure(port_id, port_cfg->n_rxq,
 561                                     port_cfg->n_txq, &port_cfg->port_conf);
 562         PROX_PANIC(ret < 0, "\t\t\trte_eth_dev_configure() failed on port %u: %s (%d)\n", port_id, strerror(-ret), ret);
 563
 564         if (port_cfg->port_conf.intr_conf.lsc) {
 565                 rte_eth_dev_callback_register(port_id, RTE_ETH_EVENT_INTR_LSC, lsc_cb, NULL);
 566         }
 567
 568         plog_info("\t\tMAC address set to "MAC_BYTES_FMT"\n", MAC_BYTES(port_cfg->eth_addr.addr_bytes));
 569
 570         /* initialize TX queues first */
 571         for (uint16_t queue_id = 0; queue_id < port_cfg->n_txq; ++queue_id) {
 572                 plog_info("\t\tSetting up TX queue %u on socket %u with %u desc\n",
 573                           queue_id, port_cfg->socket, port_cfg->n_txd);
 574                 ret = rte_eth_tx_queue_setup(port_id, queue_id, port_cfg->n_txd,
 575                                              port_cfg->socket, &port_cfg->tx_conf);
 576                 PROX_PANIC(ret < 0, "\t\t\trte_eth_tx_queue_setup() failed on port %u: error %d\n", port_id, ret);
 577         }
 578
 579         /* initialize RX queues */
 580         for (uint16_t queue_id = 0; queue_id < port_cfg->n_rxq; ++queue_id) {
 581                 plog_info("\t\tSetting up RX queue %u on port %u on socket %u with %u desc (pool 0x%p)\n",
 582                           queue_id, port_id, port_cfg->socket,
 583                           port_cfg->n_rxd, port_cfg->pool[queue_id]);
 584                 ret = rte_eth_rx_queue_setup(port_id, queue_id,
 585                                              port_cfg->n_rxd,
 586                                              port_cfg->socket, &port_cfg->rx_conf,
 587                                              port_cfg->pool[queue_id]);
 588                 PROX_PANIC(ret < 0, "\t\t\trte_eth_rx_queue_setup() failed on port %u: error %s (%d)\n", port_id, strerror(-ret), ret);
 589         }
 590
 591         plog_info("\t\tStarting up port %u ...", port_id);
 592         ret = rte_eth_dev_start(port_id);
 593
 594         PROX_PANIC(ret < 0, "\n\t\t\trte_eth_dev_start() failed on port %u: error %d\n", port_id, ret);
 595         plog_info(" done: ");
 596
 597         /* Getting link status can be done without waiting if Link
 598            State Interrupt is enabled since in that case, if the link
 599            is recognized as being down, an interrupt will notify that
 600            it has gone up. */
 601         if (port_cfg->port_conf.intr_conf.lsc)
 602                 rte_eth_link_get_nowait(port_id, &link);
 603         else
 604                 rte_eth_link_get(port_id, &link);
 605
 606         port_cfg->link_up = link.link_status;
 607         port_cfg->link_speed = link.link_speed;
 608         if (link.link_status) {
 609                 plog_info("Link Up - speed %'u Mbps - %s\n",
 610                           link.link_speed,
 611                           (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 612                           "full-duplex" : "half-duplex");
 613         }
 614         else {
 615                 plog_info("Link Down\n");
 616         }
 617
 618         if (port_cfg->promiscuous) {
 619                 rte_eth_promiscuous_enable(port_id);
 620                 plog_info("\t\tport %u in promiscuous mode\n", port_id);
 621         }
 622
 623         if (strcmp(port_cfg->short_name, "ixgbe_vf") &&
 624             strcmp(port_cfg->short_name, "i40e") &&
 625             strcmp(port_cfg->short_name, "i40e_vf") &&
 626             strcmp(port_cfg->short_name, "vmxnet3")) {
 627                 for (uint8_t i = 0; i < 16; ++i) {
 628                         ret = rte_eth_dev_set_rx_queue_stats_mapping(port_id, i, i);
 629                         if (ret) {
 630                                 plog_info("\t\trte_eth_dev_set_rx_queue_stats_mapping() failed: error %d\n", ret);
 631                         }
 632                         ret = rte_eth_dev_set_tx_queue_stats_mapping(port_id, i, i);
 633                         if (ret) {
 634                                 plog_info("\t\trte_eth_dev_set_tx_queue_stats_mapping() failed: error %d\n", ret);
 635                         }
 636                 }
 637         }
 638 }
 639
 640 void init_port_all(void)
 641 {
 642         uint8_t max_port_idx = prox_last_port_active() + 1;
 643
 644         for (uint8_t portid = 0; portid < max_port_idx; ++portid) {
 645                 if (!prox_port_cfg[portid].active) {
 646                         continue;
 647                 }
 648                 init_port(&prox_port_cfg[portid]);
 649         }
 650 }
 651
 652 void close_ports_atexit(void)
 653 {
 654         uint8_t max_port_idx = prox_last_port_active() + 1;
 655
 656         for (uint8_t portid = 0; portid < max_port_idx; ++portid) {
 657                 if (!prox_port_cfg[portid].active) {
 658                         continue;
 659                 }
 660                 rte_eth_dev_close(portid);
 661         }
 662 }
 663
 664 void init_port_addr(void)
 665 {
 666         struct prox_port_cfg *port_cfg;
 667
 668         for (uint8_t port_id = 0; port_id < PROX_MAX_PORTS; ++port_id) {
 669                 if (!prox_port_cfg[port_id].active) {
 670                         continue;
 671                 }
 672                 port_cfg = &prox_port_cfg[port_id];
 673
 674                 switch (port_cfg->type) {
 675                 case PROX_PORT_MAC_HW:
 676                         rte_eth_macaddr_get(port_id, &port_cfg->eth_addr);
 677                         break;
 678                 case PROX_PORT_MAC_RAND:
 679                         eth_random_addr(port_cfg->eth_addr.addr_bytes);
 680                         break;
 681                 case PROX_PORT_MAC_SET:
 682                         break;
 683                 }
 684         }
 685 }
 686
 687 int port_is_active(uint8_t port_id)
 688 {
 689         if (port_id > PROX_MAX_PORTS) {
 690                 plog_info("requested port is higher than highest supported port ID (%u)\n", PROX_MAX_PORTS);
 691                 return 0;
 692         }
 693
 694         struct prox_port_cfg* port_cfg = &prox_port_cfg[port_id];
 695         if (!port_cfg->active) {
 696                 plog_info("Port %u is not active\n", port_id);
 697                 return 0;
 698         }
 699         return 1;
 700 }