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 struct rte_mempool *vector_pool[RTE_MAX_ETHPORTS];
 141 static uint8_t lkp_per_socket[NB_SOCKETS];
 142
 143 struct l3fwd_lkp_mode {
 144         void  (*setup)(int);
 145         int   (*check_ptype)(int);
 146         rte_rx_callback_fn cb_parse_ptype;
 147         int   (*main_loop)(void *);
 148         void* (*get_ipv4_lookup_struct)(int);
 149         void* (*get_ipv6_lookup_struct)(int);
 150 };
 151
 152 static struct l3fwd_lkp_mode l3fwd_lkp;
 153
 154 static struct l3fwd_lkp_mode l3fwd_em_lkp = {
 155         .setup                  = setup_hash,
 156         .check_ptype            = em_check_ptype,
 157         .cb_parse_ptype         = em_cb_parse_ptype,
 158         .main_loop              = em_main_loop,
 159         .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct,
 160         .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct,
 161 };
 162
 163 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
 164         .setup                  = setup_lpm,
 165         .check_ptype            = lpm_check_ptype,
 166         .cb_parse_ptype         = lpm_cb_parse_ptype,
 167         .main_loop              = lpm_main_loop,
 168         .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
 169         .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
 170 };
 171
 172 static struct l3fwd_lkp_mode l3fwd_fib_lkp = {
 173         .setup                  = setup_fib,
 174         .check_ptype            = lpm_check_ptype,
 175         .cb_parse_ptype         = lpm_cb_parse_ptype,
 176         .main_loop              = fib_main_loop,
 177         .get_ipv4_lookup_struct = fib_get_ipv4_l3fwd_lookup_struct,
 178         .get_ipv6_lookup_struct = fib_get_ipv6_l3fwd_lookup_struct,
 179 };
 180
 181 /*
 182  * 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735).
 183  * 198.18.{0-7}.0/24 = Port {0-7}
 184  */
 185 const struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 186         {RTE_IPV4(198, 18, 0, 0), 24, 0},
 187         {RTE_IPV4(198, 18, 1, 0), 24, 1},
 188         {RTE_IPV4(198, 18, 2, 0), 24, 2},
 189         {RTE_IPV4(198, 18, 3, 0), 24, 3},
 190         {RTE_IPV4(198, 18, 4, 0), 24, 4},
 191         {RTE_IPV4(198, 18, 5, 0), 24, 5},
 192         {RTE_IPV4(198, 18, 6, 0), 24, 6},
 193         {RTE_IPV4(198, 18, 7, 0), 24, 7},
 194 };
 195
 196 /*
 197  * 2001:200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180).
 198  * 2001:200:0:{0-7}::/64 = Port {0-7}
 199  */
 200 const struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
 201         {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 0},
 202         {{32, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 1},
 203         {{32, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 2},
 204         {{32, 1, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 3},
 205         {{32, 1, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 4},
 206         {{32, 1, 2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 5},
 207         {{32, 1, 2, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 6},
 208         {{32, 1, 2, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 7},
 209 };
 210
 211 /*
 212  * Setup lookup methods for forwarding.
 213  * Currently exact-match, longest-prefix-match and forwarding information
 214  * base are the supported ones.
 215  */
 216 static void
 217 setup_l3fwd_lookup_tables(void)
 218 {
 219         /* Setup HASH lookup functions. */
 220         if (lookup_mode == L3FWD_LOOKUP_EM)
 221                 l3fwd_lkp = l3fwd_em_lkp;
 222         /* Setup FIB lookup functions. */
 223         else if (lookup_mode == L3FWD_LOOKUP_FIB)
 224                 l3fwd_lkp = l3fwd_fib_lkp;
 225         /* Setup LPM lookup functions. */
 226         else
 227                 l3fwd_lkp = l3fwd_lpm_lkp;
 228 }
 229
 230 static int
 231 check_lcore_params(void)
 232 {
 233         uint8_t queue, lcore;
 234         uint16_t i;
 235         int socketid;
 236
 237         for (i = 0; i < nb_lcore_params; ++i) {
 238                 queue = lcore_params[i].queue_id;
 239                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
 240                         printf("invalid queue number: %hhu\n", queue);
 241                         return -1;
 242                 }
 243                 lcore = lcore_params[i].lcore_id;
 244                 if (!rte_lcore_is_enabled(lcore)) {
 245                         printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
 246                         return -1;
 247                 }
 248                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
 249                         (numa_on == 0)) {
 250                         printf("warning: lcore %hhu is on socket %d with numa off \n",
 251                                 lcore, socketid);
 252                 }
 253         }
 254         return 0;
 255 }
 256
 257 static int
 258 check_port_config(void)
 259 {
 260         uint16_t portid;
 261         uint16_t i;
 262
 263         for (i = 0; i < nb_lcore_params; ++i) {
 264                 portid = lcore_params[i].port_id;
 265                 if ((enabled_port_mask & (1 << portid)) == 0) {
 266                         printf("port %u is not enabled in port mask\n", portid);
 267                         return -1;
 268                 }
 269                 if (!rte_eth_dev_is_valid_port(portid)) {
 270                         printf("port %u is not present on the board\n", portid);
 271                         return -1;
 272                 }
 273         }
 274         return 0;
 275 }
 276
 277 static uint8_t
 278 get_port_n_rx_queues(const uint16_t port)
 279 {
 280         int queue = -1;
 281         uint16_t i;
 282
 283         for (i = 0; i < nb_lcore_params; ++i) {
 284                 if (lcore_params[i].port_id == port) {
 285                         if (lcore_params[i].queue_id == queue+1)
 286                                 queue = lcore_params[i].queue_id;
 287                         else
 288                                 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
 289                                                 " in sequence and must start with 0\n",
 290                                                 lcore_params[i].port_id);
 291                 }
 292         }
 293         return (uint8_t)(++queue);
 294 }
 295
 296 static int
 297 init_lcore_rx_queues(void)
 298 {
 299         uint16_t i, nb_rx_queue;
 300         uint8_t lcore;
 301
 302         for (i = 0; i < nb_lcore_params; ++i) {
 303                 lcore = lcore_params[i].lcore_id;
 304                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
 305                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 306                         printf("error: too many queues (%u) for lcore: %u\n",
 307                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
 308                         return -1;
 309                 } else {
 310                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 311                                 lcore_params[i].port_id;
 312                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 313                                 lcore_params[i].queue_id;
 314                         lcore_conf[lcore].n_rx_queue++;
 315                 }
 316         }
 317         return 0;
 318 }
 319
 320 /* display usage */
 321 static void
 322 print_usage(const char *prgname)
 323 {
 324         fprintf(stderr, "%s [EAL options] --"
 325                 " -p PORTMASK"
 326                 " [-P]"
 327                 " [--lookup]"
 328                 " --config (port,queue,lcore)[,(port,queue,lcore)]"
 329                 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
 330                 " [--max-pkt-len PKTLEN]"
 331                 " [--no-numa]"
 332                 " [--hash-entry-num]"
 333                 " [--ipv6]"
 334                 " [--parse-ptype]"
 335                 " [--per-port-pool]"
 336                 " [--mode]"
 337                 " [--eventq-sched]"
 338                 " [--event-vector [--event-vector-size SIZE] [--event-vector-tmo NS]]"
 339                 " [-E]"
 340                 " [-L]\n\n"
 341
 342                 "  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
 343                 "  -P : Enable promiscuous mode\n"
 344                 "  --lookup: Select the lookup method\n"
 345                 "            Default: lpm\n"
 346                 "            Accepted: em (Exact Match), lpm (Longest Prefix Match), fib (Forwarding Information Base)\n"
 347                 "  --config (port,queue,lcore): Rx queue configuration\n"
 348                 "  --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n"
 349                 "  --max-pkt-len PKTLEN: maximum packet length in decimal (64-9600)\n"
 350                 "  --no-numa: Disable numa awareness\n"
 351                 "  --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n"
 352                 "  --ipv6: Set if running ipv6 packets\n"
 353                 "  --parse-ptype: Set to use software to analyze packet type\n"
 354                 "  --per-port-pool: Use separate buffer pool per port\n"
 355                 "  --mode: Packet transfer mode for I/O, poll or eventdev\n"
 356                 "          Default mode = poll\n"
 357                 "  --eventq-sched: Event queue synchronization method\n"
 358                 "                  ordered, atomic or parallel.\n"
 359                 "                  Default: atomic\n"
 360                 "                  Valid only if --mode=eventdev\n"
 361                 "  --event-eth-rxqs: Number of ethernet RX queues per device.\n"
 362                 "                    Default: 1\n"
 363                 "                    Valid only if --mode=eventdev\n"
 364                 "  --event-vector:  Enable event vectorization.\n"
 365                 "  --event-vector-size: Max vector size if event vectorization is enabled.\n"
 366                 "  --event-vector-tmo: Max timeout to form vector in nanoseconds if event vectorization is enabled\n"
 367                 "  -E : Enable exact match, legacy flag please use --lookup=em instead\n"
 368                 "  -L : Enable longest prefix match, legacy flag please use --lookup=lpm instead\n\n",
 369                 prgname);
 370 }
 371
 372 static int
 373 parse_max_pkt_len(const char *pktlen)
 374 {
 375         char *end = NULL;
 376         unsigned long len;
 377
 378         /* parse decimal string */
 379         len = strtoul(pktlen, &end, 10);
 380         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
 381                 return -1;
 382
 383         if (len == 0)
 384                 return -1;
 385
 386         return len;
 387 }
 388
 389 static int
 390 parse_portmask(const char *portmask)
 391 {
 392         char *end = NULL;
 393         unsigned long pm;
 394
 395         /* parse hexadecimal string */
 396         pm = strtoul(portmask, &end, 16);
 397         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 398                 return 0;
 399
 400         return pm;
 401 }
 402
 403 static int
 404 parse_hash_entry_number(const char *hash_entry_num)
 405 {
 406         char *end = NULL;
 407         unsigned long hash_en;
 408         /* parse hexadecimal string */
 409         hash_en = strtoul(hash_entry_num, &end, 16);
 410         if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
 411                 return -1;
 412
 413         if (hash_en == 0)
 414                 return -1;
 415
 416         return hash_en;
 417 }
 418
 419 static int
 420 parse_config(const char *q_arg)
 421 {
 422         char s[256];
 423         const char *p, *p0 = q_arg;
 424         char *end;
 425         enum fieldnames {
 426                 FLD_PORT = 0,
 427                 FLD_QUEUE,
 428                 FLD_LCORE,
 429                 _NUM_FLD
 430         };
 431         unsigned long int_fld[_NUM_FLD];
 432         char *str_fld[_NUM_FLD];
 433         int i;
 434         unsigned size;
 435
 436         nb_lcore_params = 0;
 437
 438         while ((p = strchr(p0,'(')) != NULL) {
 439                 ++p;
 440                 if((p0 = strchr(p,')')) == NULL)
 441                         return -1;
 442
 443                 size = p0 - p;
 444                 if(size >= sizeof(s))
 445                         return -1;
 446
 447                 snprintf(s, sizeof(s), "%.*s", size, p);
 448                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 449                         return -1;
 450                 for (i = 0; i < _NUM_FLD; i++){
 451                         errno = 0;
 452                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 453                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 454                                 return -1;
 455                 }
 456                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 457                         printf("exceeded max number of lcore params: %hu\n",
 458                                 nb_lcore_params);
 459                         return -1;
 460                 }
 461                 lcore_params_array[nb_lcore_params].port_id =
 462                         (uint8_t)int_fld[FLD_PORT];
 463                 lcore_params_array[nb_lcore_params].queue_id =
 464                         (uint8_t)int_fld[FLD_QUEUE];
 465                 lcore_params_array[nb_lcore_params].lcore_id =
 466                         (uint8_t)int_fld[FLD_LCORE];
 467                 ++nb_lcore_params;
 468         }
 469         lcore_params = lcore_params_array;
 470         return 0;
 471 }
 472
 473 static void
 474 parse_eth_dest(const char *optarg)
 475 {
 476         uint16_t portid;
 477         char *port_end;
 478         uint8_t c, *dest, peer_addr[6];
 479
 480         errno = 0;
 481         portid = strtoul(optarg, &port_end, 10);
 482         if (errno != 0 || port_end == optarg || *port_end++ != ',')
 483                 rte_exit(EXIT_FAILURE,
 484                 "Invalid eth-dest: %s", optarg);
 485         if (portid >= RTE_MAX_ETHPORTS)
 486                 rte_exit(EXIT_FAILURE,
 487                 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
 488                 portid, RTE_MAX_ETHPORTS);
 489
 490         if (cmdline_parse_etheraddr(NULL, port_end,
 491                 &peer_addr, sizeof(peer_addr)) < 0)
 492                 rte_exit(EXIT_FAILURE,
 493                 "Invalid ethernet address: %s\n",
 494                 port_end);
 495         dest = (uint8_t *)&dest_eth_addr[portid];
 496         for (c = 0; c < 6; c++)
 497                 dest[c] = peer_addr[c];
 498         *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
 499 }
 500
 501 static void
 502 parse_mode(const char *optarg)
 503 {
 504         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 505
 506         if (!strcmp(optarg, "poll"))
 507                 evt_rsrc->enabled = false;
 508         else if (!strcmp(optarg, "eventdev"))
 509                 evt_rsrc->enabled = true;
 510 }
 511
 512 static void
 513 parse_eventq_sched(const char *optarg)
 514 {
 515         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 516
 517         if (!strcmp(optarg, "ordered"))
 518                 evt_rsrc->sched_type = RTE_SCHED_TYPE_ORDERED;
 519         if (!strcmp(optarg, "atomic"))
 520                 evt_rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC;
 521         if (!strcmp(optarg, "parallel"))
 522                 evt_rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL;
 523 }
 524
 525 static void
 526 parse_event_eth_rx_queues(const char *eth_rx_queues)
 527 {
 528         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 529         char *end = NULL;
 530         uint8_t num_eth_rx_queues;
 531
 532         /* parse decimal string */
 533         num_eth_rx_queues = strtoul(eth_rx_queues, &end, 10);
 534         if ((eth_rx_queues[0] == '\0') || (end == NULL) || (*end != '\0'))
 535                 return;
 536
 537         if (num_eth_rx_queues == 0)
 538                 return;
 539
 540         evt_rsrc->eth_rx_queues = num_eth_rx_queues;
 541 }
 542
 543 static int
 544 parse_lookup(const char *optarg)
 545 {
 546         if (!strcmp(optarg, "em"))
 547                 lookup_mode = L3FWD_LOOKUP_EM;
 548         else if (!strcmp(optarg, "lpm"))
 549                 lookup_mode = L3FWD_LOOKUP_LPM;
 550         else if (!strcmp(optarg, "fib"))
 551                 lookup_mode = L3FWD_LOOKUP_FIB;
 552         else {
 553                 fprintf(stderr, "Invalid lookup option! Accepted options: em, lpm, fib\n");
 554                 return -1;
 555         }
 556         return 0;
 557 }
 558
 559 #define MAX_JUMBO_PKT_LEN  9600
 560
 561 static const char short_options[] =
 562         "p:"  /* portmask */
 563         "P"   /* promiscuous */
 564         "L"   /* legacy enable long prefix match */
 565         "E"   /* legacy enable exact match */
 566         ;
 567
 568 #define CMD_LINE_OPT_CONFIG "config"
 569 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
 570 #define CMD_LINE_OPT_NO_NUMA "no-numa"
 571 #define CMD_LINE_OPT_IPV6 "ipv6"
 572 #define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len"
 573 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
 574 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
 575 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
 576 #define CMD_LINE_OPT_MODE "mode"
 577 #define CMD_LINE_OPT_EVENTQ_SYNC "eventq-sched"
 578 #define CMD_LINE_OPT_EVENT_ETH_RX_QUEUES "event-eth-rxqs"
 579 #define CMD_LINE_OPT_LOOKUP "lookup"
 580 #define CMD_LINE_OPT_ENABLE_VECTOR "event-vector"
 581 #define CMD_LINE_OPT_VECTOR_SIZE "event-vector-size"
 582 #define CMD_LINE_OPT_VECTOR_TMO_NS "event-vector-tmo"
 583
 584 enum {
 585         /* long options mapped to a short option */
 586
 587         /* first long only option value must be >= 256, so that we won't
 588          * conflict with short options */
 589         CMD_LINE_OPT_MIN_NUM = 256,
 590         CMD_LINE_OPT_CONFIG_NUM,
 591         CMD_LINE_OPT_ETH_DEST_NUM,
 592         CMD_LINE_OPT_NO_NUMA_NUM,
 593         CMD_LINE_OPT_IPV6_NUM,
 594         CMD_LINE_OPT_MAX_PKT_LEN_NUM,
 595         CMD_LINE_OPT_HASH_ENTRY_NUM_NUM,
 596         CMD_LINE_OPT_PARSE_PTYPE_NUM,
 597         CMD_LINE_OPT_PARSE_PER_PORT_POOL,
 598         CMD_LINE_OPT_MODE_NUM,
 599         CMD_LINE_OPT_EVENTQ_SYNC_NUM,
 600         CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM,
 601         CMD_LINE_OPT_LOOKUP_NUM,
 602         CMD_LINE_OPT_ENABLE_VECTOR_NUM,
 603         CMD_LINE_OPT_VECTOR_SIZE_NUM,
 604         CMD_LINE_OPT_VECTOR_TMO_NS_NUM
 605 };
 606
 607 static const struct option lgopts[] = {
 608         {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
 609         {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
 610         {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
 611         {CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM},
 612         {CMD_LINE_OPT_MAX_PKT_LEN, 1, 0, CMD_LINE_OPT_MAX_PKT_LEN_NUM},
 613         {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM},
 614         {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM},
 615         {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
 616         {CMD_LINE_OPT_MODE, 1, 0, CMD_LINE_OPT_MODE_NUM},
 617         {CMD_LINE_OPT_EVENTQ_SYNC, 1, 0, CMD_LINE_OPT_EVENTQ_SYNC_NUM},
 618         {CMD_LINE_OPT_EVENT_ETH_RX_QUEUES, 1, 0,
 619                                         CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM},
 620         {CMD_LINE_OPT_LOOKUP, 1, 0, CMD_LINE_OPT_LOOKUP_NUM},
 621         {CMD_LINE_OPT_ENABLE_VECTOR, 0, 0, CMD_LINE_OPT_ENABLE_VECTOR_NUM},
 622         {CMD_LINE_OPT_VECTOR_SIZE, 1, 0, CMD_LINE_OPT_VECTOR_SIZE_NUM},
 623         {CMD_LINE_OPT_VECTOR_TMO_NS, 1, 0, CMD_LINE_OPT_VECTOR_TMO_NS_NUM},
 624         {NULL, 0, 0, 0}
 625 };
 626
 627 /*
 628  * This expression is used to calculate the number of mbufs needed
 629  * depending on user input, taking  into account memory for rx and
 630  * tx hardware rings, cache per lcore and mtable per port per lcore.
 631  * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
 632  * value of 8192
 633  */
 634 #define NB_MBUF(nports) RTE_MAX(        \
 635         (nports*nb_rx_queue*nb_rxd +            \
 636         nports*nb_lcores*MAX_PKT_BURST +        \
 637         nports*n_tx_queue*nb_txd +              \
 638         nb_lcores*MEMPOOL_CACHE_SIZE),          \
 639         (unsigned)8192)
 640
 641 /* Parse the argument given in the command line of the application */
 642 static int
 643 parse_args(int argc, char **argv)
 644 {
 645         int opt, ret;
 646         char **argvopt;
 647         int option_index;
 648         char *prgname = argv[0];
 649         uint8_t lcore_params = 0;
 650         uint8_t eventq_sched = 0;
 651         uint8_t eth_rx_q = 0;
 652         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 653
 654         argvopt = argv;
 655
 656         /* Error or normal output strings. */
 657         while ((opt = getopt_long(argc, argvopt, short_options,
 658                                 lgopts, &option_index)) != EOF) {
 659
 660                 switch (opt) {
 661                 /* portmask */
 662                 case 'p':
 663                         enabled_port_mask = parse_portmask(optarg);
 664                         if (enabled_port_mask == 0) {
 665                                 fprintf(stderr, "Invalid portmask\n");
 666                                 print_usage(prgname);
 667                                 return -1;
 668                         }
 669                         break;
 670
 671                 case 'P':
 672                         promiscuous_on = 1;
 673                         break;
 674
 675                 case 'E':
 676                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 677                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 678                                 return -1;
 679                         }
 680                         lookup_mode = L3FWD_LOOKUP_EM;
 681                         break;
 682
 683                 case 'L':
 684                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 685                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 686                                 return -1;
 687                         }
 688                         lookup_mode = L3FWD_LOOKUP_LPM;
 689                         break;
 690
 691                 /* long options */
 692                 case CMD_LINE_OPT_CONFIG_NUM:
 693                         ret = parse_config(optarg);
 694                         if (ret) {
 695                                 fprintf(stderr, "Invalid config\n");
 696                                 print_usage(prgname);
 697                                 return -1;
 698                         }
 699                         lcore_params = 1;
 700                         break;
 701
 702                 case CMD_LINE_OPT_ETH_DEST_NUM:
 703                         parse_eth_dest(optarg);
 704                         break;
 705
 706                 case CMD_LINE_OPT_NO_NUMA_NUM:
 707                         numa_on = 0;
 708                         break;
 709
 710                 case CMD_LINE_OPT_IPV6_NUM:
 711                         ipv6 = 1;
 712                         break;
 713
 714                 case CMD_LINE_OPT_MAX_PKT_LEN_NUM:
 715                         max_pkt_len = parse_max_pkt_len(optarg);
 716                         break;
 717
 718                 case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM:
 719                         ret = parse_hash_entry_number(optarg);
 720                         if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
 721                                 hash_entry_number = ret;
 722                         } else {
 723                                 fprintf(stderr, "invalid hash entry number\n");
 724                                 print_usage(prgname);
 725                                 return -1;
 726                         }
 727                         break;
 728
 729                 case CMD_LINE_OPT_PARSE_PTYPE_NUM:
 730                         printf("soft parse-ptype is enabled\n");
 731                         parse_ptype = 1;
 732                         break;
 733
 734                 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
 735                         printf("per port buffer pool is enabled\n");
 736                         per_port_pool = 1;
 737                         break;
 738
 739                 case CMD_LINE_OPT_MODE_NUM:
 740                         parse_mode(optarg);
 741                         break;
 742
 743                 case CMD_LINE_OPT_EVENTQ_SYNC_NUM:
 744                         parse_eventq_sched(optarg);
 745                         eventq_sched = 1;
 746                         break;
 747
 748                 case CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM:
 749                         parse_event_eth_rx_queues(optarg);
 750                         eth_rx_q = 1;
 751                         break;
 752
 753                 case CMD_LINE_OPT_LOOKUP_NUM:
 754                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 755                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 756                                 return -1;
 757                         }
 758                         ret = parse_lookup(optarg);
 759                         /*
 760                          * If parse_lookup was passed an invalid lookup type
 761                          * then return -1. Error log included within
 762                          * parse_lookup for simplicity.
 763                          */
 764                         if (ret)
 765                                 return -1;
 766                         break;
 767
 768                 case CMD_LINE_OPT_ENABLE_VECTOR_NUM:
 769                         printf("event vectorization is enabled\n");
 770                         evt_rsrc->vector_enabled = 1;
 771                         break;
 772                 case CMD_LINE_OPT_VECTOR_SIZE_NUM:
 773                         evt_rsrc->vector_size = strtol(optarg, NULL, 10);
 774                         break;
 775                 case CMD_LINE_OPT_VECTOR_TMO_NS_NUM:
 776                         evt_rsrc->vector_tmo_ns = strtoull(optarg, NULL, 10);
 777                         break;
 778                 default:
 779                         print_usage(prgname);
 780                         return -1;
 781                 }
 782         }
 783
 784         if (evt_rsrc->enabled && lcore_params) {
 785                 fprintf(stderr, "lcore config is not valid when event mode is selected\n");
 786                 return -1;
 787         }
 788
 789         if (!evt_rsrc->enabled && eth_rx_q) {
 790                 fprintf(stderr, "eth_rx_queues is valid only when event mode is selected\n");
 791                 return -1;
 792         }
 793
 794         if (!evt_rsrc->enabled && eventq_sched) {
 795                 fprintf(stderr, "eventq_sched is valid only when event mode is selected\n");
 796                 return -1;
 797         }
 798
 799         if (evt_rsrc->vector_enabled && !evt_rsrc->vector_size) {
 800                 evt_rsrc->vector_size = VECTOR_SIZE_DEFAULT;
 801                 fprintf(stderr, "vector size set to default (%" PRIu16 ")\n",
 802                         evt_rsrc->vector_size);
 803         }
 804
 805         if (evt_rsrc->vector_enabled && !evt_rsrc->vector_tmo_ns) {
 806                 evt_rsrc->vector_tmo_ns = VECTOR_TMO_NS_DEFAULT;
 807                 fprintf(stderr,
 808                         "vector timeout set to default (%" PRIu64 " ns)\n",
 809                         evt_rsrc->vector_tmo_ns);
 810         }
 811
 812         /*
 813          * Nothing is selected, pick longest-prefix match
 814          * as default match.
 815          */
 816         if (lookup_mode == L3FWD_LOOKUP_DEFAULT) {
 817                 fprintf(stderr, "Neither LPM, EM, or FIB selected, defaulting to LPM\n");
 818                 lookup_mode = L3FWD_LOOKUP_LPM;
 819         }
 820
 821         /*
 822          * ipv6 and hash flags are valid only for
 823          * exact match, reset them to default for
 824          * longest-prefix match.
 825          */
 826         if (lookup_mode == L3FWD_LOOKUP_LPM) {
 827                 ipv6 = 0;
 828                 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
 829         }
 830
 831         if (optind >= 0)
 832                 argv[optind-1] = prgname;
 833
 834         ret = optind-1;
 835         optind = 1; /* reset getopt lib */
 836         return ret;
 837 }
 838
 839 static void
 840 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
 841 {
 842         char buf[RTE_ETHER_ADDR_FMT_SIZE];
 843         rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
 844         printf("%s%s", name, buf);
 845 }
 846
 847 int
 848 init_mem(uint16_t portid, unsigned int nb_mbuf)
 849 {
 850         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 851         struct lcore_conf *qconf;
 852         int socketid;
 853         unsigned lcore_id;
 854         char s[64];
 855
 856         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 857                 if (rte_lcore_is_enabled(lcore_id) == 0)
 858                         continue;
 859
 860                 if (numa_on)
 861                         socketid = rte_lcore_to_socket_id(lcore_id);
 862                 else
 863                         socketid = 0;
 864
 865                 if (socketid >= NB_SOCKETS) {
 866                         rte_exit(EXIT_FAILURE,
 867                                 "Socket %d of lcore %u is out of range %d\n",
 868                                 socketid, lcore_id, NB_SOCKETS);
 869                 }
 870
 871                 if (pktmbuf_pool[portid][socketid] == NULL) {
 872                         snprintf(s, sizeof(s), "mbuf_pool_%d:%d",
 873                                  portid, socketid);
 874                         pktmbuf_pool[portid][socketid] =
 875                                 rte_pktmbuf_pool_create(s, nb_mbuf,
 876                                         MEMPOOL_CACHE_SIZE, 0,
 877                                         RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
 878                         if (pktmbuf_pool[portid][socketid] == NULL)
 879                                 rte_exit(EXIT_FAILURE,
 880                                         "Cannot init mbuf pool on socket %d\n",
 881                                         socketid);
 882                         else
 883                                 printf("Allocated mbuf pool on socket %d\n",
 884                                         socketid);
 885
 886                         /* Setup LPM, EM(f.e Hash) or FIB. But, only once per
 887                          * available socket.
 888                          */
 889                         if (!lkp_per_socket[socketid]) {
 890                                 l3fwd_lkp.setup(socketid);
 891                                 lkp_per_socket[socketid] = 1;
 892                         }
 893                 }
 894
 895                 if (evt_rsrc->vector_enabled && vector_pool[portid] == NULL) {
 896                         unsigned int nb_vec;
 897
 898                         nb_vec = (nb_mbuf + evt_rsrc->vector_size - 1) /
 899                                  evt_rsrc->vector_size;
 900                         snprintf(s, sizeof(s), "vector_pool_%d", portid);
 901                         vector_pool[portid] = rte_event_vector_pool_create(
 902                                 s, nb_vec, 0, evt_rsrc->vector_size, socketid);
 903                         if (vector_pool[portid] == NULL)
 904                                 rte_exit(EXIT_FAILURE,
 905                                          "Failed to create vector pool for port %d\n",
 906                                          portid);
 907                         else
 908                                 printf("Allocated vector pool for port %d\n",
 909                                        portid);
 910                 }
 911
 912                 qconf = &lcore_conf[lcore_id];
 913                 qconf->ipv4_lookup_struct =
 914                         l3fwd_lkp.get_ipv4_lookup_struct(socketid);
 915                 qconf->ipv6_lookup_struct =
 916                         l3fwd_lkp.get_ipv6_lookup_struct(socketid);
 917         }
 918         return 0;
 919 }
 920
 921 /* Check the link status of all ports in up to 9s, and print them finally */
 922 static void
 923 check_all_ports_link_status(uint32_t port_mask)
 924 {
 925 #define CHECK_INTERVAL 100 /* 100ms */
 926 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 927         uint16_t portid;
 928         uint8_t count, all_ports_up, print_flag = 0;
 929         struct rte_eth_link link;
 930         int ret;
 931         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 932
 933         printf("\nChecking link status");
 934         fflush(stdout);
 935         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 936                 if (force_quit)
 937                         return;
 938                 all_ports_up = 1;
 939                 RTE_ETH_FOREACH_DEV(portid) {
 940                         if (force_quit)
 941                                 return;
 942                         if ((port_mask & (1 << portid)) == 0)
 943                                 continue;
 944                         memset(&link, 0, sizeof(link));
 945                         ret = rte_eth_link_get_nowait(portid, &link);
 946                         if (ret < 0) {
 947                                 all_ports_up = 0;
 948                                 if (print_flag == 1)
 949                                         printf("Port %u link get failed: %s\n",
 950                                                 portid, rte_strerror(-ret));
 951                                 continue;
 952                         }
 953                         /* print link status if flag set */
 954                         if (print_flag == 1) {
 955                                 rte_eth_link_to_str(link_status_text,
 956                                         sizeof(link_status_text), &link);
 957                                 printf("Port %d %s\n", portid,
 958                                        link_status_text);
 959                                 continue;
 960                         }
 961                         /* clear all_ports_up flag if any link down */
 962                         if (link.link_status == ETH_LINK_DOWN) {
 963                                 all_ports_up = 0;
 964                                 break;
 965                         }
 966                 }
 967                 /* after finally printing all link status, get out */
 968                 if (print_flag == 1)
 969                         break;
 970
 971                 if (all_ports_up == 0) {
 972                         printf(".");
 973                         fflush(stdout);
 974                         rte_delay_ms(CHECK_INTERVAL);
 975                 }
 976
 977                 /* set the print_flag if all ports up or timeout */
 978                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 979                         print_flag = 1;
 980                         printf("done\n");
 981                 }
 982         }
 983 }
 984
 985 static void
 986 signal_handler(int signum)
 987 {
 988         if (signum == SIGINT || signum == SIGTERM) {
 989                 printf("\n\nSignal %d received, preparing to exit...\n",
 990                                 signum);
 991                 force_quit = true;
 992         }
 993 }
 994
 995 static int
 996 prepare_ptype_parser(uint16_t portid, uint16_t queueid)
 997 {
 998         if (parse_ptype) {
 999                 printf("Port %d: softly parse packet type info\n", portid);
1000                 if (rte_eth_add_rx_callback(portid, queueid,
1001                                             l3fwd_lkp.cb_parse_ptype,
1002                                             NULL))
1003                         return 1;
1004
1005                 printf("Failed to add rx callback: port=%d\n", portid);
1006                 return 0;
1007         }
1008
1009         if (l3fwd_lkp.check_ptype(portid))
1010                 return 1;
1011
1012         printf("port %d cannot parse packet type, please add --%s\n",
1013                portid, CMD_LINE_OPT_PARSE_PTYPE);
1014         return 0;
1015 }
1016
1017 static uint32_t
1018 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
1019 {
1020         uint32_t overhead_len;
1021
1022         if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
1023                 overhead_len = max_rx_pktlen - max_mtu;
1024         else
1025                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1026
1027         return overhead_len;
1028 }
1029
1030 static int
1031 config_port_max_pkt_len(struct rte_eth_conf *conf,
1032                 struct rte_eth_dev_info *dev_info)
1033 {
1034         uint32_t overhead_len;
1035
1036         if (max_pkt_len == 0)
1037                 return 0;
1038
1039         if (max_pkt_len < RTE_ETHER_MIN_LEN || max_pkt_len > MAX_JUMBO_PKT_LEN)
1040                 return -1;
1041
1042         overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
1043                         dev_info->max_mtu);
1044         conf->rxmode.mtu = max_pkt_len - overhead_len;
1045
1046         if (conf->rxmode.mtu > RTE_ETHER_MTU)
1047                 conf->txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
1048
1049         return 0;
1050 }
1051
1052 static void
1053 l3fwd_poll_resource_setup(void)
1054 {
1055         uint8_t nb_rx_queue, queue, socketid;
1056         struct rte_eth_dev_info dev_info;
1057         uint32_t n_tx_queue, nb_lcores;
1058         struct rte_eth_txconf *txconf;
1059         struct lcore_conf *qconf;
1060         uint16_t queueid, portid;
1061         unsigned int nb_ports;
1062         unsigned int lcore_id;
1063         int ret;
1064
1065         if (check_lcore_params() < 0)
1066                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1067
1068         ret = init_lcore_rx_queues();
1069         if (ret < 0)
1070                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1071
1072         nb_ports = rte_eth_dev_count_avail();
1073
1074         if (check_port_config() < 0)
1075                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1076
1077         nb_lcores = rte_lcore_count();
1078
1079         /* initialize all ports */
1080         RTE_ETH_FOREACH_DEV(portid) {
1081                 struct rte_eth_conf local_port_conf = port_conf;
1082
1083                 /* skip ports that are not enabled */
1084                 if ((enabled_port_mask & (1 << portid)) == 0) {
1085                         printf("\nSkipping disabled port %d\n", portid);
1086                         continue;
1087                 }
1088
1089                 /* init port */
1090                 printf("Initializing port %d ... ", portid );
1091                 fflush(stdout);
1092
1093                 nb_rx_queue = get_port_n_rx_queues(portid);
1094                 n_tx_queue = nb_lcores;
1095                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1096                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1097                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1098                         nb_rx_queue, (unsigned)n_tx_queue );
1099
1100                 ret = rte_eth_dev_info_get(portid, &dev_info);
1101                 if (ret != 0)
1102                         rte_exit(EXIT_FAILURE,
1103                                 "Error during getting device (port %u) info: %s\n",
1104                                 portid, strerror(-ret));
1105
1106                 ret = config_port_max_pkt_len(&local_port_conf, &dev_info);
1107                 if (ret != 0)
1108                         rte_exit(EXIT_FAILURE,
1109                                 "Invalid max packet length: %u (port %u)\n",
1110                                 max_pkt_len, portid);
1111
1112                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1113                         local_port_conf.txmode.offloads |=
1114                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1115
1116                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
1117                         dev_info.flow_type_rss_offloads;
1118
1119                 if (dev_info.max_rx_queues == 1)
1120                         local_port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
1121
1122                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
1123                                 port_conf.rx_adv_conf.rss_conf.rss_hf) {
1124                         printf("Port %u modified RSS hash function based on hardware support,"
1125                                 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
1126                                 portid,
1127                                 port_conf.rx_adv_conf.rss_conf.rss_hf,
1128                                 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
1129                 }
1130
1131                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1132                                         (uint16_t)n_tx_queue, &local_port_conf);
1133                 if (ret < 0)
1134                         rte_exit(EXIT_FAILURE,
1135                                 "Cannot configure device: err=%d, port=%d\n",
1136                                 ret, portid);
1137
1138                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1139                                                        &nb_txd);
1140                 if (ret < 0)
1141                         rte_exit(EXIT_FAILURE,
1142                                  "Cannot adjust number of descriptors: err=%d, "
1143                                  "port=%d\n", ret, portid);
1144
1145                 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1146                 if (ret < 0)
1147                         rte_exit(EXIT_FAILURE,
1148                                  "Cannot get MAC address: err=%d, port=%d\n",
1149                                  ret, portid);
1150
1151                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1152                 printf(", ");
1153                 print_ethaddr("Destination:",
1154                         (const struct rte_ether_addr *)&dest_eth_addr[portid]);
1155                 printf(", ");
1156
1157                 /*
1158                  * prepare src MACs for each port.
1159                  */
1160                 rte_ether_addr_copy(&ports_eth_addr[portid],
1161                         (struct rte_ether_addr *)(val_eth + portid) + 1);
1162
1163                 /* init memory */
1164                 if (!per_port_pool) {
1165                         /* portid = 0; this is *not* signifying the first port,
1166                          * rather, it signifies that portid is ignored.
1167                          */
1168                         ret = init_mem(0, NB_MBUF(nb_ports));
1169                 } else {
1170                         ret = init_mem(portid, NB_MBUF(1));
1171                 }
1172                 if (ret < 0)
1173                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1174
1175                 /* init one TX queue per couple (lcore,port) */
1176                 queueid = 0;
1177                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1178                         if (rte_lcore_is_enabled(lcore_id) == 0)
1179                                 continue;
1180
1181                         if (numa_on)
1182                                 socketid =
1183                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1184                         else
1185                                 socketid = 0;
1186
1187                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1188                         fflush(stdout);
1189
1190                         txconf = &dev_info.default_txconf;
1191                         txconf->offloads = local_port_conf.txmode.offloads;
1192                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1193                                                      socketid, txconf);
1194                         if (ret < 0)
1195                                 rte_exit(EXIT_FAILURE,
1196                                         "rte_eth_tx_queue_setup: err=%d, "
1197                                         "port=%d\n", ret, portid);
1198
1199                         qconf = &lcore_conf[lcore_id];
1200                         qconf->tx_queue_id[portid] = queueid;
1201                         queueid++;
1202
1203                         qconf->tx_port_id[qconf->n_tx_port] = portid;
1204                         qconf->n_tx_port++;
1205                 }
1206                 printf("\n");
1207         }
1208
1209         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1210                 if (rte_lcore_is_enabled(lcore_id) == 0)
1211                         continue;
1212                 qconf = &lcore_conf[lcore_id];
1213                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1214                 fflush(stdout);
1215                 /* init RX queues */
1216                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1217                         struct rte_eth_rxconf rxq_conf;
1218
1219                         portid = qconf->rx_queue_list[queue].port_id;
1220                         queueid = qconf->rx_queue_list[queue].queue_id;
1221
1222                         if (numa_on)
1223                                 socketid =
1224                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1225                         else
1226                                 socketid = 0;
1227
1228                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1229                         fflush(stdout);
1230
1231                         ret = rte_eth_dev_info_get(portid, &dev_info);
1232                         if (ret != 0)
1233                                 rte_exit(EXIT_FAILURE,
1234                                         "Error during getting device (port %u) info: %s\n",
1235                                         portid, strerror(-ret));
1236
1237                         rxq_conf = dev_info.default_rxconf;
1238                         rxq_conf.offloads = port_conf.rxmode.offloads;
1239                         if (!per_port_pool)
1240                                 ret = rte_eth_rx_queue_setup(portid, queueid,
1241                                                 nb_rxd, socketid,
1242                                                 &rxq_conf,
1243                                                 pktmbuf_pool[0][socketid]);
1244                         else
1245                                 ret = rte_eth_rx_queue_setup(portid, queueid,
1246                                                 nb_rxd, socketid,
1247                                                 &rxq_conf,
1248                                                 pktmbuf_pool[portid][socketid]);
1249                         if (ret < 0)
1250                                 rte_exit(EXIT_FAILURE,
1251                                 "rte_eth_rx_queue_setup: err=%d, port=%d\n",
1252                                 ret, portid);
1253                 }
1254         }
1255 }
1256
1257 static inline int
1258 l3fwd_service_enable(uint32_t service_id)
1259 {
1260         uint8_t min_service_count = UINT8_MAX;
1261         uint32_t slcore_array[RTE_MAX_LCORE];
1262         unsigned int slcore = 0;
1263         uint8_t service_count;
1264         int32_t slcore_count;
1265
1266         if (!rte_service_lcore_count())
1267                 return -ENOENT;
1268
1269         slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE);
1270         if (slcore_count < 0)
1271                 return -ENOENT;
1272         /* Get the core which has least number of services running. */
1273         while (slcore_count--) {
1274                 /* Reset default mapping */
1275                 if (rte_service_map_lcore_set(service_id,
1276                                 slcore_array[slcore_count], 0) != 0)
1277                         return -ENOENT;
1278                 service_count = rte_service_lcore_count_services(
1279                                 slcore_array[slcore_count]);
1280                 if (service_count < min_service_count) {
1281                         slcore = slcore_array[slcore_count];
1282                         min_service_count = service_count;
1283                 }
1284         }
1285         if (rte_service_map_lcore_set(service_id, slcore, 1))
1286                 return -ENOENT;
1287         rte_service_lcore_start(slcore);
1288
1289         return 0;
1290 }
1291
1292 static void
1293 l3fwd_event_service_setup(void)
1294 {
1295         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
1296         struct rte_event_dev_info evdev_info;
1297         uint32_t service_id, caps;
1298         int ret, i;
1299
1300         rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info);
1301         if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) {
1302                 ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id,
1303                                 &service_id);
1304                 if (ret != -ESRCH && ret != 0)
1305                         rte_exit(EXIT_FAILURE,
1306                                  "Error in starting eventdev service\n");
1307                 l3fwd_service_enable(service_id);
1308         }
1309
1310         for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
1311                 ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id,
1312                                 evt_rsrc->rx_adptr.rx_adptr[i], &caps);
1313                 if (ret < 0)
1314                         rte_exit(EXIT_FAILURE,
1315                                  "Failed to get Rx adapter[%d] caps\n",
1316                                  evt_rsrc->rx_adptr.rx_adptr[i]);
1317                 ret = rte_event_eth_rx_adapter_service_id_get(
1318                                 evt_rsrc->event_d_id,
1319                                 &service_id);
1320                 if (ret != -ESRCH && ret != 0)
1321                         rte_exit(EXIT_FAILURE,
1322                                  "Error in starting Rx adapter[%d] service\n",
1323                                  evt_rsrc->rx_adptr.rx_adptr[i]);
1324                 l3fwd_service_enable(service_id);
1325         }
1326
1327         for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) {
1328                 ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id,
1329                                 evt_rsrc->tx_adptr.tx_adptr[i], &caps);
1330                 if (ret < 0)
1331                         rte_exit(EXIT_FAILURE,
1332                                  "Failed to get Rx adapter[%d] caps\n",
1333                                  evt_rsrc->tx_adptr.tx_adptr[i]);
1334                 ret = rte_event_eth_tx_adapter_service_id_get(
1335                                 evt_rsrc->event_d_id,
1336                                 &service_id);
1337                 if (ret != -ESRCH && ret != 0)
1338                         rte_exit(EXIT_FAILURE,
1339                                  "Error in starting Rx adapter[%d] service\n",
1340                                  evt_rsrc->tx_adptr.tx_adptr[i]);
1341                 l3fwd_service_enable(service_id);
1342         }
1343 }
1344
1345 int
1346 main(int argc, char **argv)
1347 {
1348         struct l3fwd_event_resources *evt_rsrc;
1349         struct lcore_conf *qconf;
1350         uint16_t queueid, portid;
1351         unsigned int lcore_id;
1352         uint8_t queue;
1353         int i, ret;
1354
1355         /* init EAL */
1356         ret = rte_eal_init(argc, argv);
1357         if (ret < 0)
1358                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1359         argc -= ret;
1360         argv += ret;
1361
1362         force_quit = false;
1363         signal(SIGINT, signal_handler);
1364         signal(SIGTERM, signal_handler);
1365
1366         /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
1367         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1368                 dest_eth_addr[portid] =
1369                         RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
1370                 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
1371         }
1372
1373         evt_rsrc = l3fwd_get_eventdev_rsrc();
1374         /* parse application arguments (after the EAL ones) */
1375         ret = parse_args(argc, argv);
1376         if (ret < 0)
1377                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1378
1379         /* Setup function pointers for lookup method. */
1380         setup_l3fwd_lookup_tables();
1381
1382         evt_rsrc->per_port_pool = per_port_pool;
1383         evt_rsrc->pkt_pool = pktmbuf_pool;
1384         evt_rsrc->vec_pool = vector_pool;
1385         evt_rsrc->port_mask = enabled_port_mask;
1386         /* Configure eventdev parameters if user has requested */
1387         if (evt_rsrc->enabled) {
1388                 l3fwd_event_resource_setup(&port_conf);
1389                 if (lookup_mode == L3FWD_LOOKUP_EM)
1390                         l3fwd_lkp.main_loop = evt_rsrc->ops.em_event_loop;
1391                 else if (lookup_mode == L3FWD_LOOKUP_FIB)
1392                         l3fwd_lkp.main_loop = evt_rsrc->ops.fib_event_loop;
1393                 else
1394                         l3fwd_lkp.main_loop = evt_rsrc->ops.lpm_event_loop;
1395                 l3fwd_event_service_setup();
1396         } else
1397                 l3fwd_poll_resource_setup();
1398
1399         /* start ports */
1400         RTE_ETH_FOREACH_DEV(portid) {
1401                 if ((enabled_port_mask & (1 << portid)) == 0) {
1402                         continue;
1403                 }
1404                 /* Start device */
1405                 ret = rte_eth_dev_start(portid);
1406                 if (ret < 0)
1407                         rte_exit(EXIT_FAILURE,
1408                                 "rte_eth_dev_start: err=%d, port=%d\n",
1409                                 ret, portid);
1410
1411                 /*
1412                  * If enabled, put device in promiscuous mode.
1413                  * This allows IO forwarding mode to forward packets
1414                  * to itself through 2 cross-connected  ports of the
1415                  * target machine.
1416                  */
1417                 if (promiscuous_on) {
1418                         ret = rte_eth_promiscuous_enable(portid);
1419                         if (ret != 0)
1420                                 rte_exit(EXIT_FAILURE,
1421                                         "rte_eth_promiscuous_enable: err=%s, port=%u\n",
1422                                         rte_strerror(-ret), portid);
1423                 }
1424         }
1425
1426         printf("\n");
1427
1428         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1429                 if (rte_lcore_is_enabled(lcore_id) == 0)
1430                         continue;
1431                 qconf = &lcore_conf[lcore_id];
1432                 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
1433                         portid = qconf->rx_queue_list[queue].port_id;
1434                         queueid = qconf->rx_queue_list[queue].queue_id;
1435                         if (prepare_ptype_parser(portid, queueid) == 0)
1436                                 rte_exit(EXIT_FAILURE, "ptype check fails\n");
1437                 }
1438         }
1439
1440         check_all_ports_link_status(enabled_port_mask);
1441
1442         ret = 0;
1443         /* launch per-lcore init on every lcore */
1444         rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MAIN);
1445         if (evt_rsrc->enabled) {
1446                 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++)
1447                         rte_event_eth_rx_adapter_stop(
1448                                         evt_rsrc->rx_adptr.rx_adptr[i]);
1449                 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++)
1450                         rte_event_eth_tx_adapter_stop(
1451                                         evt_rsrc->tx_adptr.tx_adptr[i]);
1452
1453                 RTE_ETH_FOREACH_DEV(portid) {
1454                         if ((enabled_port_mask & (1 << portid)) == 0)
1455                                 continue;
1456                         ret = rte_eth_dev_stop(portid);
1457                         if (ret != 0)
1458                                 printf("rte_eth_dev_stop: err=%d, port=%u\n",
1459                                        ret, portid);
1460                 }
1461
1462                 rte_eal_mp_wait_lcore();
1463                 RTE_ETH_FOREACH_DEV(portid) {
1464                         if ((enabled_port_mask & (1 << portid)) == 0)
1465                                 continue;
1466                         rte_eth_dev_close(portid);
1467                 }
1468
1469                 rte_event_dev_stop(evt_rsrc->event_d_id);
1470                 rte_event_dev_close(evt_rsrc->event_d_id);
1471
1472         } else {
1473                 rte_eal_mp_wait_lcore();
1474
1475                 RTE_ETH_FOREACH_DEV(portid) {
1476                         if ((enabled_port_mask & (1 << portid)) == 0)
1477                                 continue;
1478                         printf("Closing port %d...", portid);
1479                         ret = rte_eth_dev_stop(portid);
1480                         if (ret != 0)
1481                                 printf("rte_eth_dev_stop: err=%d, port=%u\n",
1482                                        ret, portid);
1483                         rte_eth_dev_close(portid);
1484                         printf(" Done\n");
1485                 }
1486         }
1487
1488         /* clean up the EAL */
1489         rte_eal_cleanup();
1490
1491         printf("Bye...\n");
1492
1493         return ret;
1494 }