examples/l3fwd/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2021 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <stdint.h>
   8 #include <inttypes.h>
   9 #include <sys/types.h>
  10 #include <string.h>
  11 #include <sys/queue.h>
  12 #include <stdarg.h>
  13 #include <errno.h>
  14 #include <getopt.h>
  15 #include <signal.h>
  16 #include <stdbool.h>
  17
  18 #include <rte_common.h>
  19 #include <rte_vect.h>
  20 #include <rte_byteorder.h>
  21 #include <rte_log.h>
  22 #include <rte_malloc.h>
  23 #include <rte_memory.h>
  24 #include <rte_memcpy.h>
  25 #include <rte_eal.h>
  26 #include <rte_launch.h>
  27 #include <rte_cycles.h>
  28 #include <rte_prefetch.h>
  29 #include <rte_lcore.h>
  30 #include <rte_per_lcore.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_interrupts.h>
  33 #include <rte_random.h>
  34 #include <rte_debug.h>
  35 #include <rte_ether.h>
  36 #include <rte_mempool.h>
  37 #include <rte_mbuf.h>
  38 #include <rte_ip.h>
  39 #include <rte_tcp.h>
  40 #include <rte_udp.h>
  41 #include <rte_string_fns.h>
  42 #include <rte_cpuflags.h>
  43
  44 #include <cmdline_parse.h>
  45 #include <cmdline_parse_etheraddr.h>
  46
  47 #include "l3fwd.h"
  48 #include "l3fwd_event.h"
  49 #include "l3fwd_route.h"
  50
  51 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_LCORE
  52 #define MAX_RX_QUEUE_PER_PORT 128
  53
  54 #define MAX_LCORE_PARAMS 1024
  55
  56 /* Static global variables used within this file. */
  57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  59
  60 /**< Ports set in promiscuous mode off by default. */
  61 static int promiscuous_on;
  62
  63 /* Select Longest-Prefix, Exact match or Forwarding Information Base. */
  64 enum L3FWD_LOOKUP_MODE {
  65         L3FWD_LOOKUP_DEFAULT,
  66         L3FWD_LOOKUP_LPM,
  67         L3FWD_LOOKUP_EM,
  68         L3FWD_LOOKUP_FIB
  69 };
  70 static enum L3FWD_LOOKUP_MODE lookup_mode;
  71
  72 /* Global variables. */
  73
  74 static int numa_on = 1; /**< NUMA is enabled by default. */
  75 static int parse_ptype; /**< Parse packet type using rx callback, and */
  76                         /**< disabled by default */
  77 static int per_port_pool; /**< Use separate buffer pools per port; disabled */
  78                           /**< by default */
  79
  80 volatile bool force_quit;
  81
  82 /* ethernet addresses of ports */
  83 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
  84 struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
  85
  86 xmm_t val_eth[RTE_MAX_ETHPORTS];
  87
  88 /* mask of enabled ports */
  89 uint32_t enabled_port_mask;
  90
  91 /* Used only in exact match mode. */
  92 int ipv6; /**< ipv6 is false by default. */
  93 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
  94
  95 struct lcore_conf lcore_conf[RTE_MAX_LCORE];
  96
  97 struct lcore_params {
  98         uint16_t port_id;
  99         uint8_t queue_id;
 100         uint8_t lcore_id;
 101 } __rte_cache_aligned;
 102
 103 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 104 static struct lcore_params lcore_params_array_default[] = {
 105         {0, 0, 2},
 106         {0, 1, 2},
 107         {0, 2, 2},
 108         {1, 0, 2},
 109         {1, 1, 2},
 110         {1, 2, 2},
 111         {2, 0, 2},
 112         {3, 0, 3},
 113         {3, 1, 3},
 114 };
 115
 116 static struct lcore_params * lcore_params = lcore_params_array_default;
 117 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 118                                 sizeof(lcore_params_array_default[0]);
 119
 120 static struct rte_eth_conf port_conf = {
 121         .rxmode = {
 122                 .mq_mode = ETH_MQ_RX_RSS,
 123                 .split_hdr_size = 0,
 124                 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
 125         },
 126         .rx_adv_conf = {
 127                 .rss_conf = {
 128                         .rss_key = NULL,
 129                         .rss_hf = ETH_RSS_IP,
 130                 },
 131         },
 132         .txmode = {
 133                 .mq_mode = ETH_MQ_TX_NONE,
 134         },
 135 };
 136
 137 static uint32_t max_pkt_len;
 138
 139 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
 140 static uint8_t lkp_per_socket[NB_SOCKETS];
 141
 142 struct l3fwd_lkp_mode {
 143         void  (*setup)(int);
 144         int   (*check_ptype)(int);
 145         rte_rx_callback_fn cb_parse_ptype;
 146         int   (*main_loop)(void *);
 147         void* (*get_ipv4_lookup_struct)(int);
 148         void* (*get_ipv6_lookup_struct)(int);
 149 };
 150
 151 static struct l3fwd_lkp_mode l3fwd_lkp;
 152
 153 static struct l3fwd_lkp_mode l3fwd_em_lkp = {
 154         .setup                  = setup_hash,
 155         .check_ptype            = em_check_ptype,
 156         .cb_parse_ptype         = em_cb_parse_ptype,
 157         .main_loop              = em_main_loop,
 158         .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct,
 159         .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct,
 160 };
 161
 162 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
 163         .setup                  = setup_lpm,
 164         .check_ptype            = lpm_check_ptype,
 165         .cb_parse_ptype         = lpm_cb_parse_ptype,
 166         .main_loop              = lpm_main_loop,
 167         .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
 168         .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
 169 };
 170
 171 static struct l3fwd_lkp_mode l3fwd_fib_lkp = {
 172         .setup                  = setup_fib,
 173         .check_ptype            = lpm_check_ptype,
 174         .cb_parse_ptype         = lpm_cb_parse_ptype,
 175         .main_loop              = fib_main_loop,
 176         .get_ipv4_lookup_struct = fib_get_ipv4_l3fwd_lookup_struct,
 177         .get_ipv6_lookup_struct = fib_get_ipv6_l3fwd_lookup_struct,
 178 };
 179
 180 /*
 181  * 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735).
 182  * 198.18.{0-7}.0/24 = Port {0-7}
 183  */
 184 const struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 185         {RTE_IPV4(198, 18, 0, 0), 24, 0},
 186         {RTE_IPV4(198, 18, 1, 0), 24, 1},
 187         {RTE_IPV4(198, 18, 2, 0), 24, 2},
 188         {RTE_IPV4(198, 18, 3, 0), 24, 3},
 189         {RTE_IPV4(198, 18, 4, 0), 24, 4},
 190         {RTE_IPV4(198, 18, 5, 0), 24, 5},
 191         {RTE_IPV4(198, 18, 6, 0), 24, 6},
 192         {RTE_IPV4(198, 18, 7, 0), 24, 7},
 193 };
 194
 195 /*
 196  * 2001:200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180).
 197  * 2001:200:0:{0-7}::/64 = Port {0-7}
 198  */
 199 const struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
 200         {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 0},
 201         {{32, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 1},
 202         {{32, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 2},
 203         {{32, 1, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 3},
 204         {{32, 1, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 4},
 205         {{32, 1, 2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 5},
 206         {{32, 1, 2, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 6},
 207         {{32, 1, 2, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 7},
 208 };
 209
 210 /*
 211  * Setup lookup methods for forwarding.
 212  * Currently exact-match, longest-prefix-match and forwarding information
 213  * base are the supported ones.
 214  */
 215 static void
 216 setup_l3fwd_lookup_tables(void)
 217 {
 218         /* Setup HASH lookup functions. */
 219         if (lookup_mode == L3FWD_LOOKUP_EM)
 220                 l3fwd_lkp = l3fwd_em_lkp;
 221         /* Setup FIB lookup functions. */
 222         else if (lookup_mode == L3FWD_LOOKUP_FIB)
 223                 l3fwd_lkp = l3fwd_fib_lkp;
 224         /* Setup LPM lookup functions. */
 225         else
 226                 l3fwd_lkp = l3fwd_lpm_lkp;
 227 }
 228
 229 static int
 230 check_lcore_params(void)
 231 {
 232         uint8_t queue, lcore;
 233         uint16_t i;
 234         int socketid;
 235
 236         for (i = 0; i < nb_lcore_params; ++i) {
 237                 queue = lcore_params[i].queue_id;
 238                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
 239                         printf("invalid queue number: %hhu\n", queue);
 240                         return -1;
 241                 }
 242                 lcore = lcore_params[i].lcore_id;
 243                 if (!rte_lcore_is_enabled(lcore)) {
 244                         printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
 245                         return -1;
 246                 }
 247                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
 248                         (numa_on == 0)) {
 249                         printf("warning: lcore %hhu is on socket %d with numa off \n",
 250                                 lcore, socketid);
 251                 }
 252         }
 253         return 0;
 254 }
 255
 256 static int
 257 check_port_config(void)
 258 {
 259         uint16_t portid;
 260         uint16_t i;
 261
 262         for (i = 0; i < nb_lcore_params; ++i) {
 263                 portid = lcore_params[i].port_id;
 264                 if ((enabled_port_mask & (1 << portid)) == 0) {
 265                         printf("port %u is not enabled in port mask\n", portid);
 266                         return -1;
 267                 }
 268                 if (!rte_eth_dev_is_valid_port(portid)) {
 269                         printf("port %u is not present on the board\n", portid);
 270                         return -1;
 271                 }
 272         }
 273         return 0;
 274 }
 275
 276 static uint8_t
 277 get_port_n_rx_queues(const uint16_t port)
 278 {
 279         int queue = -1;
 280         uint16_t i;
 281
 282         for (i = 0; i < nb_lcore_params; ++i) {
 283                 if (lcore_params[i].port_id == port) {
 284                         if (lcore_params[i].queue_id == queue+1)
 285                                 queue = lcore_params[i].queue_id;
 286                         else
 287                                 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
 288                                                 " in sequence and must start with 0\n",
 289                                                 lcore_params[i].port_id);
 290                 }
 291         }
 292         return (uint8_t)(++queue);
 293 }
 294
 295 static int
 296 init_lcore_rx_queues(void)
 297 {
 298         uint16_t i, nb_rx_queue;
 299         uint8_t lcore;
 300
 301         for (i = 0; i < nb_lcore_params; ++i) {
 302                 lcore = lcore_params[i].lcore_id;
 303                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
 304                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 305                         printf("error: too many queues (%u) for lcore: %u\n",
 306                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
 307                         return -1;
 308                 } else {
 309                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 310                                 lcore_params[i].port_id;
 311                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 312                                 lcore_params[i].queue_id;
 313                         lcore_conf[lcore].n_rx_queue++;
 314                 }
 315         }
 316         return 0;
 317 }
 318
 319 /* display usage */
 320 static void
 321 print_usage(const char *prgname)
 322 {
 323         fprintf(stderr, "%s [EAL options] --"
 324                 " -p PORTMASK"
 325                 " [-P]"
 326                 " [--lookup]"
 327                 " --config (port,queue,lcore)[,(port,queue,lcore)]"
 328                 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
 329                 " [--max-pkt-len PKTLEN]"
 330                 " [--no-numa]"
 331                 " [--hash-entry-num]"
 332                 " [--ipv6]"
 333                 " [--parse-ptype]"
 334                 " [--per-port-pool]"
 335                 " [--mode]"
 336                 " [--eventq-sched]"
 337                 " [-E]"
 338                 " [-L]\n\n"
 339
 340                 "  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
 341                 "  -P : Enable promiscuous mode\n"
 342                 "  --lookup: Select the lookup method\n"
 343                 "            Default: lpm\n"
 344                 "            Accepted: em (Exact Match), lpm (Longest Prefix Match), fib (Forwarding Information Base)\n"
 345                 "  --config (port,queue,lcore): Rx queue configuration\n"
 346                 "  --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n"
 347                 "  --max-pkt-len PKTLEN: maximum packet length in decimal (64-9600)\n"
 348                 "  --no-numa: Disable numa awareness\n"
 349                 "  --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n"
 350                 "  --ipv6: Set if running ipv6 packets\n"
 351                 "  --parse-ptype: Set to use software to analyze packet type\n"
 352                 "  --per-port-pool: Use separate buffer pool per port\n"
 353                 "  --mode: Packet transfer mode for I/O, poll or eventdev\n"
 354                 "          Default mode = poll\n"
 355                 "  --eventq-sched: Event queue synchronization method\n"
 356                 "                  ordered, atomic or parallel.\n"
 357                 "                  Default: atomic\n"
 358                 "                  Valid only if --mode=eventdev\n"
 359                 "  --event-eth-rxqs: Number of ethernet RX queues per device.\n"
 360                 "                    Default: 1\n"
 361                 "                    Valid only if --mode=eventdev\n"
 362                 "  -E : Enable exact match, legacy flag please use --lookup=em instead\n"
 363                 "  -L : Enable longest prefix match, legacy flag please use --lookup=lpm instead\n\n",
 364                 prgname);
 365 }
 366
 367 static int
 368 parse_max_pkt_len(const char *pktlen)
 369 {
 370         char *end = NULL;
 371         unsigned long len;
 372
 373         /* parse decimal string */
 374         len = strtoul(pktlen, &end, 10);
 375         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
 376                 return -1;
 377
 378         if (len == 0)
 379                 return -1;
 380
 381         return len;
 382 }
 383
 384 static int
 385 parse_portmask(const char *portmask)
 386 {
 387         char *end = NULL;
 388         unsigned long pm;
 389
 390         /* parse hexadecimal string */
 391         pm = strtoul(portmask, &end, 16);
 392         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 393                 return 0;
 394
 395         return pm;
 396 }
 397
 398 static int
 399 parse_hash_entry_number(const char *hash_entry_num)
 400 {
 401         char *end = NULL;
 402         unsigned long hash_en;
 403         /* parse hexadecimal string */
 404         hash_en = strtoul(hash_entry_num, &end, 16);
 405         if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
 406                 return -1;
 407
 408         if (hash_en == 0)
 409                 return -1;
 410
 411         return hash_en;
 412 }
 413
 414 static int
 415 parse_config(const char *q_arg)
 416 {
 417         char s[256];
 418         const char *p, *p0 = q_arg;
 419         char *end;
 420         enum fieldnames {
 421                 FLD_PORT = 0,
 422                 FLD_QUEUE,
 423                 FLD_LCORE,
 424                 _NUM_FLD
 425         };
 426         unsigned long int_fld[_NUM_FLD];
 427         char *str_fld[_NUM_FLD];
 428         int i;
 429         unsigned size;
 430
 431         nb_lcore_params = 0;
 432
 433         while ((p = strchr(p0,'(')) != NULL) {
 434                 ++p;
 435                 if((p0 = strchr(p,')')) == NULL)
 436                         return -1;
 437
 438                 size = p0 - p;
 439                 if(size >= sizeof(s))
 440                         return -1;
 441
 442                 snprintf(s, sizeof(s), "%.*s", size, p);
 443                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 444                         return -1;
 445                 for (i = 0; i < _NUM_FLD; i++){
 446                         errno = 0;
 447                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 448                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 449                                 return -1;
 450                 }
 451                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 452                         printf("exceeded max number of lcore params: %hu\n",
 453                                 nb_lcore_params);
 454                         return -1;
 455                 }
 456                 lcore_params_array[nb_lcore_params].port_id =
 457                         (uint8_t)int_fld[FLD_PORT];
 458                 lcore_params_array[nb_lcore_params].queue_id =
 459                         (uint8_t)int_fld[FLD_QUEUE];
 460                 lcore_params_array[nb_lcore_params].lcore_id =
 461                         (uint8_t)int_fld[FLD_LCORE];
 462                 ++nb_lcore_params;
 463         }
 464         lcore_params = lcore_params_array;
 465         return 0;
 466 }
 467
 468 static void
 469 parse_eth_dest(const char *optarg)
 470 {
 471         uint16_t portid;
 472         char *port_end;
 473         uint8_t c, *dest, peer_addr[6];
 474
 475         errno = 0;
 476         portid = strtoul(optarg, &port_end, 10);
 477         if (errno != 0 || port_end == optarg || *port_end++ != ',')
 478                 rte_exit(EXIT_FAILURE,
 479                 "Invalid eth-dest: %s", optarg);
 480         if (portid >= RTE_MAX_ETHPORTS)
 481                 rte_exit(EXIT_FAILURE,
 482                 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
 483                 portid, RTE_MAX_ETHPORTS);
 484
 485         if (cmdline_parse_etheraddr(NULL, port_end,
 486                 &peer_addr, sizeof(peer_addr)) < 0)
 487                 rte_exit(EXIT_FAILURE,
 488                 "Invalid ethernet address: %s\n",
 489                 port_end);
 490         dest = (uint8_t *)&dest_eth_addr[portid];
 491         for (c = 0; c < 6; c++)
 492                 dest[c] = peer_addr[c];
 493         *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
 494 }
 495
 496 static void
 497 parse_mode(const char *optarg)
 498 {
 499         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 500
 501         if (!strcmp(optarg, "poll"))
 502                 evt_rsrc->enabled = false;
 503         else if (!strcmp(optarg, "eventdev"))
 504                 evt_rsrc->enabled = true;
 505 }
 506
 507 static void
 508 parse_eventq_sched(const char *optarg)
 509 {
 510         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 511
 512         if (!strcmp(optarg, "ordered"))
 513                 evt_rsrc->sched_type = RTE_SCHED_TYPE_ORDERED;
 514         if (!strcmp(optarg, "atomic"))
 515                 evt_rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC;
 516         if (!strcmp(optarg, "parallel"))
 517                 evt_rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL;
 518 }
 519
 520 static void
 521 parse_event_eth_rx_queues(const char *eth_rx_queues)
 522 {
 523         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 524         char *end = NULL;
 525         uint8_t num_eth_rx_queues;
 526
 527         /* parse decimal string */
 528         num_eth_rx_queues = strtoul(eth_rx_queues, &end, 10);
 529         if ((eth_rx_queues[0] == '\0') || (end == NULL) || (*end != '\0'))
 530                 return;
 531
 532         if (num_eth_rx_queues == 0)
 533                 return;
 534
 535         evt_rsrc->eth_rx_queues = num_eth_rx_queues;
 536 }
 537
 538 static int
 539 parse_lookup(const char *optarg)
 540 {
 541         if (!strcmp(optarg, "em"))
 542                 lookup_mode = L3FWD_LOOKUP_EM;
 543         else if (!strcmp(optarg, "lpm"))
 544                 lookup_mode = L3FWD_LOOKUP_LPM;
 545         else if (!strcmp(optarg, "fib"))
 546                 lookup_mode = L3FWD_LOOKUP_FIB;
 547         else {
 548                 fprintf(stderr, "Invalid lookup option! Accepted options: em, lpm, fib\n");
 549                 return -1;
 550         }
 551         return 0;
 552 }
 553
 554 #define MAX_JUMBO_PKT_LEN  9600
 555
 556 static const char short_options[] =
 557         "p:"  /* portmask */
 558         "P"   /* promiscuous */
 559         "L"   /* legacy enable long prefix match */
 560         "E"   /* legacy enable exact match */
 561         ;
 562
 563 #define CMD_LINE_OPT_CONFIG "config"
 564 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
 565 #define CMD_LINE_OPT_NO_NUMA "no-numa"
 566 #define CMD_LINE_OPT_IPV6 "ipv6"
 567 #define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len"
 568 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
 569 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
 570 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
 571 #define CMD_LINE_OPT_MODE "mode"
 572 #define CMD_LINE_OPT_EVENTQ_SYNC "eventq-sched"
 573 #define CMD_LINE_OPT_EVENT_ETH_RX_QUEUES "event-eth-rxqs"
 574 #define CMD_LINE_OPT_LOOKUP "lookup"
 575 enum {
 576         /* long options mapped to a short option */
 577
 578         /* first long only option value must be >= 256, so that we won't
 579          * conflict with short options */
 580         CMD_LINE_OPT_MIN_NUM = 256,
 581         CMD_LINE_OPT_CONFIG_NUM,
 582         CMD_LINE_OPT_ETH_DEST_NUM,
 583         CMD_LINE_OPT_NO_NUMA_NUM,
 584         CMD_LINE_OPT_IPV6_NUM,
 585         CMD_LINE_OPT_MAX_PKT_LEN_NUM,
 586         CMD_LINE_OPT_HASH_ENTRY_NUM_NUM,
 587         CMD_LINE_OPT_PARSE_PTYPE_NUM,
 588         CMD_LINE_OPT_PARSE_PER_PORT_POOL,
 589         CMD_LINE_OPT_MODE_NUM,
 590         CMD_LINE_OPT_EVENTQ_SYNC_NUM,
 591         CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM,
 592         CMD_LINE_OPT_LOOKUP_NUM,
 593 };
 594
 595 static const struct option lgopts[] = {
 596         {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
 597         {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
 598         {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
 599         {CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM},
 600         {CMD_LINE_OPT_MAX_PKT_LEN, 1, 0, CMD_LINE_OPT_MAX_PKT_LEN_NUM},
 601         {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM},
 602         {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM},
 603         {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
 604         {CMD_LINE_OPT_MODE, 1, 0, CMD_LINE_OPT_MODE_NUM},
 605         {CMD_LINE_OPT_EVENTQ_SYNC, 1, 0, CMD_LINE_OPT_EVENTQ_SYNC_NUM},
 606         {CMD_LINE_OPT_EVENT_ETH_RX_QUEUES, 1, 0,
 607                                         CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM},
 608         {CMD_LINE_OPT_LOOKUP, 1, 0, CMD_LINE_OPT_LOOKUP_NUM},
 609         {NULL, 0, 0, 0}
 610 };
 611
 612 /*
 613  * This expression is used to calculate the number of mbufs needed
 614  * depending on user input, taking  into account memory for rx and
 615  * tx hardware rings, cache per lcore and mtable per port per lcore.
 616  * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
 617  * value of 8192
 618  */
 619 #define NB_MBUF(nports) RTE_MAX(        \
 620         (nports*nb_rx_queue*nb_rxd +            \
 621         nports*nb_lcores*MAX_PKT_BURST +        \
 622         nports*n_tx_queue*nb_txd +              \
 623         nb_lcores*MEMPOOL_CACHE_SIZE),          \
 624         (unsigned)8192)
 625
 626 /* Parse the argument given in the command line of the application */
 627 static int
 628 parse_args(int argc, char **argv)
 629 {
 630         int opt, ret;
 631         char **argvopt;
 632         int option_index;
 633         char *prgname = argv[0];
 634         uint8_t lcore_params = 0;
 635         uint8_t eventq_sched = 0;
 636         uint8_t eth_rx_q = 0;
 637         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 638
 639         argvopt = argv;
 640
 641         /* Error or normal output strings. */
 642         while ((opt = getopt_long(argc, argvopt, short_options,
 643                                 lgopts, &option_index)) != EOF) {
 644
 645                 switch (opt) {
 646                 /* portmask */
 647                 case 'p':
 648                         enabled_port_mask = parse_portmask(optarg);
 649                         if (enabled_port_mask == 0) {
 650                                 fprintf(stderr, "Invalid portmask\n");
 651                                 print_usage(prgname);
 652                                 return -1;
 653                         }
 654                         break;
 655
 656                 case 'P':
 657                         promiscuous_on = 1;
 658                         break;
 659
 660                 case 'E':
 661                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 662                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 663                                 return -1;
 664                         }
 665                         lookup_mode = L3FWD_LOOKUP_EM;
 666                         break;
 667
 668                 case 'L':
 669                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 670                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 671                                 return -1;
 672                         }
 673                         lookup_mode = L3FWD_LOOKUP_LPM;
 674                         break;
 675
 676                 /* long options */
 677                 case CMD_LINE_OPT_CONFIG_NUM:
 678                         ret = parse_config(optarg);
 679                         if (ret) {
 680                                 fprintf(stderr, "Invalid config\n");
 681                                 print_usage(prgname);
 682                                 return -1;
 683                         }
 684                         lcore_params = 1;
 685                         break;
 686
 687                 case CMD_LINE_OPT_ETH_DEST_NUM:
 688                         parse_eth_dest(optarg);
 689                         break;
 690
 691                 case CMD_LINE_OPT_NO_NUMA_NUM:
 692                         numa_on = 0;
 693                         break;
 694
 695                 case CMD_LINE_OPT_IPV6_NUM:
 696                         ipv6 = 1;
 697                         break;
 698
 699                 case CMD_LINE_OPT_MAX_PKT_LEN_NUM:
 700                         max_pkt_len = parse_max_pkt_len(optarg);
 701                         break;
 702
 703                 case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM:
 704                         ret = parse_hash_entry_number(optarg);
 705                         if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
 706                                 hash_entry_number = ret;
 707                         } else {
 708                                 fprintf(stderr, "invalid hash entry number\n");
 709                                 print_usage(prgname);
 710                                 return -1;
 711                         }
 712                         break;
 713
 714                 case CMD_LINE_OPT_PARSE_PTYPE_NUM:
 715                         printf("soft parse-ptype is enabled\n");
 716                         parse_ptype = 1;
 717                         break;
 718
 719                 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
 720                         printf("per port buffer pool is enabled\n");
 721                         per_port_pool = 1;
 722                         break;
 723
 724                 case CMD_LINE_OPT_MODE_NUM:
 725                         parse_mode(optarg);
 726                         break;
 727
 728                 case CMD_LINE_OPT_EVENTQ_SYNC_NUM:
 729                         parse_eventq_sched(optarg);
 730                         eventq_sched = 1;
 731                         break;
 732
 733                 case CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM:
 734                         parse_event_eth_rx_queues(optarg);
 735                         eth_rx_q = 1;
 736                         break;
 737
 738                 case CMD_LINE_OPT_LOOKUP_NUM:
 739                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 740                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 741                                 return -1;
 742                         }
 743                         ret = parse_lookup(optarg);
 744                         /*
 745                          * If parse_lookup was passed an invalid lookup type
 746                          * then return -1. Error log included within
 747                          * parse_lookup for simplicity.
 748                          */
 749                         if (ret)
 750                                 return -1;
 751                         break;
 752
 753                 default:
 754                         print_usage(prgname);
 755                         return -1;
 756                 }
 757         }
 758
 759         if (evt_rsrc->enabled && lcore_params) {
 760                 fprintf(stderr, "lcore config is not valid when event mode is selected\n");
 761                 return -1;
 762         }
 763
 764         if (!evt_rsrc->enabled && eth_rx_q) {
 765                 fprintf(stderr, "eth_rx_queues is valid only when event mode is selected\n");
 766                 return -1;
 767         }
 768
 769         if (!evt_rsrc->enabled && eventq_sched) {
 770                 fprintf(stderr, "eventq_sched is valid only when event mode is selected\n");
 771                 return -1;
 772         }
 773
 774         /*
 775          * Nothing is selected, pick longest-prefix match
 776          * as default match.
 777          */
 778         if (lookup_mode == L3FWD_LOOKUP_DEFAULT) {
 779                 fprintf(stderr, "Neither LPM, EM, or FIB selected, defaulting to LPM\n");
 780                 lookup_mode = L3FWD_LOOKUP_LPM;
 781         }
 782
 783         /*
 784          * ipv6 and hash flags are valid only for
 785          * exact match, reset them to default for
 786          * longest-prefix match.
 787          */
 788         if (lookup_mode == L3FWD_LOOKUP_LPM) {
 789                 ipv6 = 0;
 790                 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
 791         }
 792
 793         if (optind >= 0)
 794                 argv[optind-1] = prgname;
 795
 796         ret = optind-1;
 797         optind = 1; /* reset getopt lib */
 798         return ret;
 799 }
 800
 801 static void
 802 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
 803 {
 804         char buf[RTE_ETHER_ADDR_FMT_SIZE];
 805         rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
 806         printf("%s%s", name, buf);
 807 }
 808
 809 int
 810 init_mem(uint16_t portid, unsigned int nb_mbuf)
 811 {
 812         struct lcore_conf *qconf;
 813         int socketid;
 814         unsigned lcore_id;
 815         char s[64];
 816
 817         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 818                 if (rte_lcore_is_enabled(lcore_id) == 0)
 819                         continue;
 820
 821                 if (numa_on)
 822                         socketid = rte_lcore_to_socket_id(lcore_id);
 823                 else
 824                         socketid = 0;
 825
 826                 if (socketid >= NB_SOCKETS) {
 827                         rte_exit(EXIT_FAILURE,
 828                                 "Socket %d of lcore %u is out of range %d\n",
 829                                 socketid, lcore_id, NB_SOCKETS);
 830                 }
 831
 832                 if (pktmbuf_pool[portid][socketid] == NULL) {
 833                         snprintf(s, sizeof(s), "mbuf_pool_%d:%d",
 834                                  portid, socketid);
 835                         pktmbuf_pool[portid][socketid] =
 836                                 rte_pktmbuf_pool_create(s, nb_mbuf,
 837                                         MEMPOOL_CACHE_SIZE, 0,
 838                                         RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
 839                         if (pktmbuf_pool[portid][socketid] == NULL)
 840                                 rte_exit(EXIT_FAILURE,
 841                                         "Cannot init mbuf pool on socket %d\n",
 842                                         socketid);
 843                         else
 844                                 printf("Allocated mbuf pool on socket %d\n",
 845                                         socketid);
 846
 847                         /* Setup LPM, EM(f.e Hash) or FIB. But, only once per
 848                          * available socket.
 849                          */
 850                         if (!lkp_per_socket[socketid]) {
 851                                 l3fwd_lkp.setup(socketid);
 852                                 lkp_per_socket[socketid] = 1;
 853                         }
 854                 }
 855                 qconf = &lcore_conf[lcore_id];
 856                 qconf->ipv4_lookup_struct =
 857                         l3fwd_lkp.get_ipv4_lookup_struct(socketid);
 858                 qconf->ipv6_lookup_struct =
 859                         l3fwd_lkp.get_ipv6_lookup_struct(socketid);
 860         }
 861         return 0;
 862 }
 863
 864 /* Check the link status of all ports in up to 9s, and print them finally */
 865 static void
 866 check_all_ports_link_status(uint32_t port_mask)
 867 {
 868 #define CHECK_INTERVAL 100 /* 100ms */
 869 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 870         uint16_t portid;
 871         uint8_t count, all_ports_up, print_flag = 0;
 872         struct rte_eth_link link;
 873         int ret;
 874         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 875
 876         printf("\nChecking link status");
 877         fflush(stdout);
 878         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 879                 if (force_quit)
 880                         return;
 881                 all_ports_up = 1;
 882                 RTE_ETH_FOREACH_DEV(portid) {
 883                         if (force_quit)
 884                                 return;
 885                         if ((port_mask & (1 << portid)) == 0)
 886                                 continue;
 887                         memset(&link, 0, sizeof(link));
 888                         ret = rte_eth_link_get_nowait(portid, &link);
 889                         if (ret < 0) {
 890                                 all_ports_up = 0;
 891                                 if (print_flag == 1)
 892                                         printf("Port %u link get failed: %s\n",
 893                                                 portid, rte_strerror(-ret));
 894                                 continue;
 895                         }
 896                         /* print link status if flag set */
 897                         if (print_flag == 1) {
 898                                 rte_eth_link_to_str(link_status_text,
 899                                         sizeof(link_status_text), &link);
 900                                 printf("Port %d %s\n", portid,
 901                                        link_status_text);
 902                                 continue;
 903                         }
 904                         /* clear all_ports_up flag if any link down */
 905                         if (link.link_status == ETH_LINK_DOWN) {
 906                                 all_ports_up = 0;
 907                                 break;
 908                         }
 909                 }
 910                 /* after finally printing all link status, get out */
 911                 if (print_flag == 1)
 912                         break;
 913
 914                 if (all_ports_up == 0) {
 915                         printf(".");
 916                         fflush(stdout);
 917                         rte_delay_ms(CHECK_INTERVAL);
 918                 }
 919
 920                 /* set the print_flag if all ports up or timeout */
 921                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 922                         print_flag = 1;
 923                         printf("done\n");
 924                 }
 925         }
 926 }
 927
 928 static void
 929 signal_handler(int signum)
 930 {
 931         if (signum == SIGINT || signum == SIGTERM) {
 932                 printf("\n\nSignal %d received, preparing to exit...\n",
 933                                 signum);
 934                 force_quit = true;
 935         }
 936 }
 937
 938 static int
 939 prepare_ptype_parser(uint16_t portid, uint16_t queueid)
 940 {
 941         if (parse_ptype) {
 942                 printf("Port %d: softly parse packet type info\n", portid);
 943                 if (rte_eth_add_rx_callback(portid, queueid,
 944                                             l3fwd_lkp.cb_parse_ptype,
 945                                             NULL))
 946                         return 1;
 947
 948                 printf("Failed to add rx callback: port=%d\n", portid);
 949                 return 0;
 950         }
 951
 952         if (l3fwd_lkp.check_ptype(portid))
 953                 return 1;
 954
 955         printf("port %d cannot parse packet type, please add --%s\n",
 956                portid, CMD_LINE_OPT_PARSE_PTYPE);
 957         return 0;
 958 }
 959
 960 static uint32_t
 961 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
 962 {
 963         uint32_t overhead_len;
 964
 965         if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
 966                 overhead_len = max_rx_pktlen - max_mtu;
 967         else
 968                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
 969
 970         return overhead_len;
 971 }
 972
 973 static int
 974 config_port_max_pkt_len(struct rte_eth_conf *conf,
 975                 struct rte_eth_dev_info *dev_info)
 976 {
 977         uint32_t overhead_len;
 978
 979         if (max_pkt_len == 0)
 980                 return 0;
 981
 982         if (max_pkt_len < RTE_ETHER_MIN_LEN || max_pkt_len > MAX_JUMBO_PKT_LEN)
 983                 return -1;
 984
 985         overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
 986                         dev_info->max_mtu);
 987         conf->rxmode.mtu = max_pkt_len - overhead_len;
 988
 989         if (conf->rxmode.mtu > RTE_ETHER_MTU) {
 990                 conf->txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
 991                 conf->rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 992         }
 993
 994         return 0;
 995 }
 996
 997 static void
 998 l3fwd_poll_resource_setup(void)
 999 {
1000         uint8_t nb_rx_queue, queue, socketid;
1001         struct rte_eth_dev_info dev_info;
1002         uint32_t n_tx_queue, nb_lcores;
1003         struct rte_eth_txconf *txconf;
1004         struct lcore_conf *qconf;
1005         uint16_t queueid, portid;
1006         unsigned int nb_ports;
1007         unsigned int lcore_id;
1008         int ret;
1009
1010         if (check_lcore_params() < 0)
1011                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1012
1013         ret = init_lcore_rx_queues();
1014         if (ret < 0)
1015                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1016
1017         nb_ports = rte_eth_dev_count_avail();
1018
1019         if (check_port_config() < 0)
1020                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1021
1022         nb_lcores = rte_lcore_count();
1023
1024         /* initialize all ports */
1025         RTE_ETH_FOREACH_DEV(portid) {
1026                 struct rte_eth_conf local_port_conf = port_conf;
1027
1028                 /* skip ports that are not enabled */
1029                 if ((enabled_port_mask & (1 << portid)) == 0) {
1030                         printf("\nSkipping disabled port %d\n", portid);
1031                         continue;
1032                 }
1033
1034                 /* init port */
1035                 printf("Initializing port %d ... ", portid );
1036                 fflush(stdout);
1037
1038                 nb_rx_queue = get_port_n_rx_queues(portid);
1039                 n_tx_queue = nb_lcores;
1040                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1041                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1042                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1043                         nb_rx_queue, (unsigned)n_tx_queue );
1044
1045                 ret = rte_eth_dev_info_get(portid, &dev_info);
1046                 if (ret != 0)
1047                         rte_exit(EXIT_FAILURE,
1048                                 "Error during getting device (port %u) info: %s\n",
1049                                 portid, strerror(-ret));
1050
1051                 ret = config_port_max_pkt_len(&local_port_conf, &dev_info);
1052                 if (ret != 0)
1053                         rte_exit(EXIT_FAILURE,
1054                                 "Invalid max packet length: %u (port %u)\n",
1055                                 max_pkt_len, portid);
1056
1057                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1058                         local_port_conf.txmode.offloads |=
1059                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1060
1061                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
1062                         dev_info.flow_type_rss_offloads;
1063
1064                 if (dev_info.max_rx_queues == 1)
1065                         local_port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
1066
1067                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
1068                                 port_conf.rx_adv_conf.rss_conf.rss_hf) {
1069                         printf("Port %u modified RSS hash function based on hardware support,"
1070                                 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
1071                                 portid,
1072                                 port_conf.rx_adv_conf.rss_conf.rss_hf,
1073                                 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
1074                 }
1075
1076                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1077                                         (uint16_t)n_tx_queue, &local_port_conf);
1078                 if (ret < 0)
1079                         rte_exit(EXIT_FAILURE,
1080                                 "Cannot configure device: err=%d, port=%d\n",
1081                                 ret, portid);
1082
1083                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1084                                                        &nb_txd);
1085                 if (ret < 0)
1086                         rte_exit(EXIT_FAILURE,
1087                                  "Cannot adjust number of descriptors: err=%d, "
1088                                  "port=%d\n", ret, portid);
1089
1090                 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1091                 if (ret < 0)
1092                         rte_exit(EXIT_FAILURE,
1093                                  "Cannot get MAC address: err=%d, port=%d\n",
1094                                  ret, portid);
1095
1096                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1097                 printf(", ");
1098                 print_ethaddr("Destination:",
1099                         (const struct rte_ether_addr *)&dest_eth_addr[portid]);
1100                 printf(", ");
1101
1102                 /*
1103                  * prepare src MACs for each port.
1104                  */
1105                 rte_ether_addr_copy(&ports_eth_addr[portid],
1106                         (struct rte_ether_addr *)(val_eth + portid) + 1);
1107
1108                 /* init memory */
1109                 if (!per_port_pool) {
1110                         /* portid = 0; this is *not* signifying the first port,
1111                          * rather, it signifies that portid is ignored.
1112                          */
1113                         ret = init_mem(0, NB_MBUF(nb_ports));
1114                 } else {
1115                         ret = init_mem(portid, NB_MBUF(1));
1116                 }
1117                 if (ret < 0)
1118                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1119
1120                 /* init one TX queue per couple (lcore,port) */
1121                 queueid = 0;
1122                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1123                         if (rte_lcore_is_enabled(lcore_id) == 0)
1124                                 continue;
1125
1126                         if (numa_on)
1127                                 socketid =
1128                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1129                         else
1130                                 socketid = 0;
1131
1132                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1133                         fflush(stdout);
1134
1135                         txconf = &dev_info.default_txconf;
1136                         txconf->offloads = local_port_conf.txmode.offloads;
1137                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1138                                                      socketid, txconf);
1139                         if (ret < 0)
1140                                 rte_exit(EXIT_FAILURE,
1141                                         "rte_eth_tx_queue_setup: err=%d, "
1142                                         "port=%d\n", ret, portid);
1143
1144                         qconf = &lcore_conf[lcore_id];
1145                         qconf->tx_queue_id[portid] = queueid;
1146                         queueid++;
1147
1148                         qconf->tx_port_id[qconf->n_tx_port] = portid;
1149                         qconf->n_tx_port++;
1150                 }
1151                 printf("\n");
1152         }
1153
1154         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1155                 if (rte_lcore_is_enabled(lcore_id) == 0)
1156                         continue;
1157                 qconf = &lcore_conf[lcore_id];
1158                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1159                 fflush(stdout);
1160                 /* init RX queues */
1161                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1162                         struct rte_eth_rxconf rxq_conf;
1163
1164                         portid = qconf->rx_queue_list[queue].port_id;
1165                         queueid = qconf->rx_queue_list[queue].queue_id;
1166
1167                         if (numa_on)
1168                                 socketid =
1169                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1170                         else
1171                                 socketid = 0;
1172
1173                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1174                         fflush(stdout);
1175
1176                         ret = rte_eth_dev_info_get(portid, &dev_info);
1177                         if (ret != 0)
1178                                 rte_exit(EXIT_FAILURE,
1179                                         "Error during getting device (port %u) info: %s\n",
1180                                         portid, strerror(-ret));
1181
1182                         rxq_conf = dev_info.default_rxconf;
1183                         rxq_conf.offloads = port_conf.rxmode.offloads;
1184                         if (!per_port_pool)
1185                                 ret = rte_eth_rx_queue_setup(portid, queueid,
1186                                                 nb_rxd, socketid,
1187                                                 &rxq_conf,
1188                                                 pktmbuf_pool[0][socketid]);
1189                         else
1190                                 ret = rte_eth_rx_queue_setup(portid, queueid,
1191                                                 nb_rxd, socketid,
1192                                                 &rxq_conf,
1193                                                 pktmbuf_pool[portid][socketid]);
1194                         if (ret < 0)
1195                                 rte_exit(EXIT_FAILURE,
1196                                 "rte_eth_rx_queue_setup: err=%d, port=%d\n",
1197                                 ret, portid);
1198                 }
1199         }
1200 }
1201
1202 static inline int
1203 l3fwd_service_enable(uint32_t service_id)
1204 {
1205         uint8_t min_service_count = UINT8_MAX;
1206         uint32_t slcore_array[RTE_MAX_LCORE];
1207         unsigned int slcore = 0;
1208         uint8_t service_count;
1209         int32_t slcore_count;
1210
1211         if (!rte_service_lcore_count())
1212                 return -ENOENT;
1213
1214         slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE);
1215         if (slcore_count < 0)
1216                 return -ENOENT;
1217         /* Get the core which has least number of services running. */
1218         while (slcore_count--) {
1219                 /* Reset default mapping */
1220                 if (rte_service_map_lcore_set(service_id,
1221                                 slcore_array[slcore_count], 0) != 0)
1222                         return -ENOENT;
1223                 service_count = rte_service_lcore_count_services(
1224                                 slcore_array[slcore_count]);
1225                 if (service_count < min_service_count) {
1226                         slcore = slcore_array[slcore_count];
1227                         min_service_count = service_count;
1228                 }
1229         }
1230         if (rte_service_map_lcore_set(service_id, slcore, 1))
1231                 return -ENOENT;
1232         rte_service_lcore_start(slcore);
1233
1234         return 0;
1235 }
1236
1237 static void
1238 l3fwd_event_service_setup(void)
1239 {
1240         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
1241         struct rte_event_dev_info evdev_info;
1242         uint32_t service_id, caps;
1243         int ret, i;
1244
1245         rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info);
1246         if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) {
1247                 ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id,
1248                                 &service_id);
1249                 if (ret != -ESRCH && ret != 0)
1250                         rte_exit(EXIT_FAILURE,
1251                                  "Error in starting eventdev service\n");
1252                 l3fwd_service_enable(service_id);
1253         }
1254
1255         for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
1256                 ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id,
1257                                 evt_rsrc->rx_adptr.rx_adptr[i], &caps);
1258                 if (ret < 0)
1259                         rte_exit(EXIT_FAILURE,
1260                                  "Failed to get Rx adapter[%d] caps\n",
1261                                  evt_rsrc->rx_adptr.rx_adptr[i]);
1262                 ret = rte_event_eth_rx_adapter_service_id_get(
1263                                 evt_rsrc->event_d_id,
1264                                 &service_id);
1265                 if (ret != -ESRCH && ret != 0)
1266                         rte_exit(EXIT_FAILURE,
1267                                  "Error in starting Rx adapter[%d] service\n",
1268                                  evt_rsrc->rx_adptr.rx_adptr[i]);
1269                 l3fwd_service_enable(service_id);
1270         }
1271
1272         for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) {
1273                 ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id,
1274                                 evt_rsrc->tx_adptr.tx_adptr[i], &caps);
1275                 if (ret < 0)
1276                         rte_exit(EXIT_FAILURE,
1277                                  "Failed to get Rx adapter[%d] caps\n",
1278                                  evt_rsrc->tx_adptr.tx_adptr[i]);
1279                 ret = rte_event_eth_tx_adapter_service_id_get(
1280                                 evt_rsrc->event_d_id,
1281                                 &service_id);
1282                 if (ret != -ESRCH && ret != 0)
1283                         rte_exit(EXIT_FAILURE,
1284                                  "Error in starting Rx adapter[%d] service\n",
1285                                  evt_rsrc->tx_adptr.tx_adptr[i]);
1286                 l3fwd_service_enable(service_id);
1287         }
1288 }
1289
1290 int
1291 main(int argc, char **argv)
1292 {
1293         struct l3fwd_event_resources *evt_rsrc;
1294         struct lcore_conf *qconf;
1295         uint16_t queueid, portid;
1296         unsigned int lcore_id;
1297         uint8_t queue;
1298         int i, ret;
1299
1300         /* init EAL */
1301         ret = rte_eal_init(argc, argv);
1302         if (ret < 0)
1303                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1304         argc -= ret;
1305         argv += ret;
1306
1307         force_quit = false;
1308         signal(SIGINT, signal_handler);
1309         signal(SIGTERM, signal_handler);
1310
1311         /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
1312         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1313                 dest_eth_addr[portid] =
1314                         RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
1315                 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
1316         }
1317
1318         evt_rsrc = l3fwd_get_eventdev_rsrc();
1319         /* parse application arguments (after the EAL ones) */
1320         ret = parse_args(argc, argv);
1321         if (ret < 0)
1322                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1323
1324         /* Setup function pointers for lookup method. */
1325         setup_l3fwd_lookup_tables();
1326
1327         evt_rsrc->per_port_pool = per_port_pool;
1328         evt_rsrc->pkt_pool = pktmbuf_pool;
1329         evt_rsrc->port_mask = enabled_port_mask;
1330         /* Configure eventdev parameters if user has requested */
1331         if (evt_rsrc->enabled) {
1332                 l3fwd_event_resource_setup(&port_conf);
1333                 if (lookup_mode == L3FWD_LOOKUP_EM)
1334                         l3fwd_lkp.main_loop = evt_rsrc->ops.em_event_loop;
1335                 else if (lookup_mode == L3FWD_LOOKUP_FIB)
1336                         l3fwd_lkp.main_loop = evt_rsrc->ops.fib_event_loop;
1337                 else
1338                         l3fwd_lkp.main_loop = evt_rsrc->ops.lpm_event_loop;
1339                 l3fwd_event_service_setup();
1340         } else
1341                 l3fwd_poll_resource_setup();
1342
1343         /* start ports */
1344         RTE_ETH_FOREACH_DEV(portid) {
1345                 if ((enabled_port_mask & (1 << portid)) == 0) {
1346                         continue;
1347                 }
1348                 /* Start device */
1349                 ret = rte_eth_dev_start(portid);
1350                 if (ret < 0)
1351                         rte_exit(EXIT_FAILURE,
1352                                 "rte_eth_dev_start: err=%d, port=%d\n",
1353                                 ret, portid);
1354
1355                 /*
1356                  * If enabled, put device in promiscuous mode.
1357                  * This allows IO forwarding mode to forward packets
1358                  * to itself through 2 cross-connected  ports of the
1359                  * target machine.
1360                  */
1361                 if (promiscuous_on) {
1362                         ret = rte_eth_promiscuous_enable(portid);
1363                         if (ret != 0)
1364                                 rte_exit(EXIT_FAILURE,
1365                                         "rte_eth_promiscuous_enable: err=%s, port=%u\n",
1366                                         rte_strerror(-ret), portid);
1367                 }
1368         }
1369
1370         printf("\n");
1371
1372         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1373                 if (rte_lcore_is_enabled(lcore_id) == 0)
1374                         continue;
1375                 qconf = &lcore_conf[lcore_id];
1376                 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
1377                         portid = qconf->rx_queue_list[queue].port_id;
1378                         queueid = qconf->rx_queue_list[queue].queue_id;
1379                         if (prepare_ptype_parser(portid, queueid) == 0)
1380                                 rte_exit(EXIT_FAILURE, "ptype check fails\n");
1381                 }
1382         }
1383
1384         check_all_ports_link_status(enabled_port_mask);
1385
1386         ret = 0;
1387         /* launch per-lcore init on every lcore */
1388         rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MAIN);
1389         if (evt_rsrc->enabled) {
1390                 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++)
1391                         rte_event_eth_rx_adapter_stop(
1392                                         evt_rsrc->rx_adptr.rx_adptr[i]);
1393                 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++)
1394                         rte_event_eth_tx_adapter_stop(
1395                                         evt_rsrc->tx_adptr.tx_adptr[i]);
1396
1397                 RTE_ETH_FOREACH_DEV(portid) {
1398                         if ((enabled_port_mask & (1 << portid)) == 0)
1399                                 continue;
1400                         ret = rte_eth_dev_stop(portid);
1401                         if (ret != 0)
1402                                 printf("rte_eth_dev_stop: err=%d, port=%u\n",
1403                                        ret, portid);
1404                 }
1405
1406                 rte_eal_mp_wait_lcore();
1407                 RTE_ETH_FOREACH_DEV(portid) {
1408                         if ((enabled_port_mask & (1 << portid)) == 0)
1409                                 continue;
1410                         rte_eth_dev_close(portid);
1411                 }
1412
1413                 rte_event_dev_stop(evt_rsrc->event_d_id);
1414                 rte_event_dev_close(evt_rsrc->event_d_id);
1415
1416         } else {
1417                 rte_eal_mp_wait_lcore();
1418
1419                 RTE_ETH_FOREACH_DEV(portid) {
1420                         if ((enabled_port_mask & (1 << portid)) == 0)
1421                                 continue;
1422                         printf("Closing port %d...", portid);
1423                         ret = rte_eth_dev_stop(portid);
1424                         if (ret != 0)
1425                                 printf("rte_eth_dev_stop: err=%d, port=%u\n",
1426                                        ret, portid);
1427                         rte_eth_dev_close(portid);
1428                         printf(" Done\n");
1429                 }
1430         }
1431
1432         /* clean up the EAL */
1433         rte_eal_cleanup();
1434
1435         printf("Bye...\n");
1436
1437         return ret;
1438 }