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 uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  57 uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  58
  59 /**< Ports set in promiscuous mode off by default. */
  60 static int promiscuous_on;
  61
  62 /* Select Longest-Prefix, Exact match or Forwarding Information Base. */
  63 enum L3FWD_LOOKUP_MODE {
  64         L3FWD_LOOKUP_DEFAULT,
  65         L3FWD_LOOKUP_LPM,
  66         L3FWD_LOOKUP_EM,
  67         L3FWD_LOOKUP_FIB
  68 };
  69 static enum L3FWD_LOOKUP_MODE lookup_mode;
  70
  71 /* Global variables. */
  72
  73 static int numa_on = 1; /**< NUMA is enabled by default. */
  74 static int parse_ptype; /**< Parse packet type using rx callback, and */
  75                         /**< disabled by default */
  76 static int per_port_pool; /**< Use separate buffer pools per port; disabled */
  77                           /**< by default */
  78
  79 volatile bool force_quit;
  80
  81 /* ethernet addresses of ports */
  82 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
  83 struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
  84
  85 xmm_t val_eth[RTE_MAX_ETHPORTS];
  86
  87 /* mask of enabled ports */
  88 uint32_t enabled_port_mask;
  89
  90 /* Used only in exact match mode. */
  91 int ipv6; /**< ipv6 is false by default. */
  92 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
  93
  94 struct lcore_conf lcore_conf[RTE_MAX_LCORE];
  95
  96 struct parm_cfg parm_config;
  97
  98 struct lcore_params {
  99         uint16_t port_id;
 100         uint8_t queue_id;
 101         uint8_t lcore_id;
 102 } __rte_cache_aligned;
 103
 104 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 105 static struct lcore_params lcore_params_array_default[] = {
 106         {0, 0, 2},
 107         {0, 1, 2},
 108         {0, 2, 2},
 109         {1, 0, 2},
 110         {1, 1, 2},
 111         {1, 2, 2},
 112         {2, 0, 2},
 113         {3, 0, 3},
 114         {3, 1, 3},
 115 };
 116
 117 static struct lcore_params * lcore_params = lcore_params_array_default;
 118 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 119                                 sizeof(lcore_params_array_default[0]);
 120
 121 static struct rte_eth_conf port_conf = {
 122         .rxmode = {
 123                 .mq_mode = RTE_ETH_MQ_RX_RSS,
 124                 .split_hdr_size = 0,
 125                 .offloads = RTE_ETH_RX_OFFLOAD_CHECKSUM,
 126         },
 127         .rx_adv_conf = {
 128                 .rss_conf = {
 129                         .rss_key = NULL,
 130                         .rss_hf = RTE_ETH_RSS_IP,
 131                 },
 132         },
 133         .txmode = {
 134                 .mq_mode = RTE_ETH_MQ_TX_NONE,
 135         },
 136 };
 137
 138 static uint32_t max_pkt_len;
 139
 140 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
 141 static struct rte_mempool *vector_pool[RTE_MAX_ETHPORTS];
 142 static uint8_t lkp_per_socket[NB_SOCKETS];
 143
 144 struct l3fwd_lkp_mode {
 145         void  (*read_config_files)(void);
 146         void  (*setup)(int);
 147         int   (*check_ptype)(int);
 148         rte_rx_callback_fn cb_parse_ptype;
 149         int   (*main_loop)(void *);
 150         void* (*get_ipv4_lookup_struct)(int);
 151         void* (*get_ipv6_lookup_struct)(int);
 152         void  (*free_routes)(void);
 153 };
 154
 155 static struct l3fwd_lkp_mode l3fwd_lkp;
 156
 157 static struct l3fwd_lkp_mode l3fwd_em_lkp = {
 158         .read_config_files              = read_config_files_em,
 159         .setup                  = setup_hash,
 160         .check_ptype            = em_check_ptype,
 161         .cb_parse_ptype         = em_cb_parse_ptype,
 162         .main_loop              = em_main_loop,
 163         .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct,
 164         .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct,
 165         .free_routes                    = em_free_routes,
 166 };
 167
 168 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
 169         .read_config_files              = read_config_files_lpm,
 170         .setup                  = setup_lpm,
 171         .check_ptype            = lpm_check_ptype,
 172         .cb_parse_ptype         = lpm_cb_parse_ptype,
 173         .main_loop              = lpm_main_loop,
 174         .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
 175         .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
 176         .free_routes                    = lpm_free_routes,
 177 };
 178
 179 static struct l3fwd_lkp_mode l3fwd_fib_lkp = {
 180         .read_config_files              = read_config_files_lpm,
 181         .setup                  = setup_fib,
 182         .check_ptype            = lpm_check_ptype,
 183         .cb_parse_ptype         = lpm_cb_parse_ptype,
 184         .main_loop              = fib_main_loop,
 185         .get_ipv4_lookup_struct = fib_get_ipv4_l3fwd_lookup_struct,
 186         .get_ipv6_lookup_struct = fib_get_ipv6_l3fwd_lookup_struct,
 187         .free_routes                    = lpm_free_routes,
 188 };
 189
 190 /*
 191  * 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735).
 192  * 198.18.{0-15}.0/24 = Port {0-15}
 193  */
 194 const struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 195         {RTE_IPV4(198, 18, 0, 0), 24, 0},
 196         {RTE_IPV4(198, 18, 1, 0), 24, 1},
 197         {RTE_IPV4(198, 18, 2, 0), 24, 2},
 198         {RTE_IPV4(198, 18, 3, 0), 24, 3},
 199         {RTE_IPV4(198, 18, 4, 0), 24, 4},
 200         {RTE_IPV4(198, 18, 5, 0), 24, 5},
 201         {RTE_IPV4(198, 18, 6, 0), 24, 6},
 202         {RTE_IPV4(198, 18, 7, 0), 24, 7},
 203         {RTE_IPV4(198, 18, 8, 0), 24, 8},
 204         {RTE_IPV4(198, 18, 9, 0), 24, 9},
 205         {RTE_IPV4(198, 18, 10, 0), 24, 10},
 206         {RTE_IPV4(198, 18, 11, 0), 24, 11},
 207         {RTE_IPV4(198, 18, 12, 0), 24, 12},
 208         {RTE_IPV4(198, 18, 13, 0), 24, 13},
 209         {RTE_IPV4(198, 18, 14, 0), 24, 14},
 210         {RTE_IPV4(198, 18, 15, 0), 24, 15},
 211 };
 212
 213 /*
 214  * 2001:200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180).
 215  * 2001:200:0:{0-f}::/64 = Port {0-15}
 216  */
 217 const struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
 218         {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 0},
 219         {{32, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 1},
 220         {{32, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 2},
 221         {{32, 1, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 3},
 222         {{32, 1, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 4},
 223         {{32, 1, 2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 5},
 224         {{32, 1, 2, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 6},
 225         {{32, 1, 2, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 7},
 226         {{32, 1, 2, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 8},
 227         {{32, 1, 2, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 9},
 228         {{32, 1, 2, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 10},
 229         {{32, 1, 2, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 11},
 230         {{32, 1, 2, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 12},
 231         {{32, 1, 2, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 13},
 232         {{32, 1, 2, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 14},
 233         {{32, 1, 2, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 15},
 234 };
 235
 236 /*
 237  * API's called during initialization to setup ACL/EM/LPM rules.
 238  */
 239 static void
 240 l3fwd_set_rule_ipv4_name(const char *optarg)
 241 {
 242         parm_config.rule_ipv4_name = optarg;
 243 }
 244
 245 static void
 246 l3fwd_set_rule_ipv6_name(const char *optarg)
 247 {
 248         parm_config.rule_ipv6_name = optarg;
 249 }
 250
 251 /*
 252  * Setup lookup methods for forwarding.
 253  * Currently exact-match, longest-prefix-match and forwarding information
 254  * base are the supported ones.
 255  */
 256 static void
 257 setup_l3fwd_lookup_tables(void)
 258 {
 259         /* Setup HASH lookup functions. */
 260         if (lookup_mode == L3FWD_LOOKUP_EM)
 261                 l3fwd_lkp = l3fwd_em_lkp;
 262         /* Setup FIB lookup functions. */
 263         else if (lookup_mode == L3FWD_LOOKUP_FIB)
 264                 l3fwd_lkp = l3fwd_fib_lkp;
 265         /* Setup LPM lookup functions. */
 266         else
 267                 l3fwd_lkp = l3fwd_lpm_lkp;
 268 }
 269
 270 static int
 271 check_lcore_params(void)
 272 {
 273         uint8_t queue, lcore;
 274         uint16_t i;
 275         int socketid;
 276
 277         for (i = 0; i < nb_lcore_params; ++i) {
 278                 queue = lcore_params[i].queue_id;
 279                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
 280                         printf("invalid queue number: %hhu\n", queue);
 281                         return -1;
 282                 }
 283                 lcore = lcore_params[i].lcore_id;
 284                 if (!rte_lcore_is_enabled(lcore)) {
 285                         printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
 286                         return -1;
 287                 }
 288                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
 289                         (numa_on == 0)) {
 290                         printf("warning: lcore %hhu is on socket %d with numa off \n",
 291                                 lcore, socketid);
 292                 }
 293         }
 294         return 0;
 295 }
 296
 297 static int
 298 check_port_config(void)
 299 {
 300         uint16_t portid;
 301         uint16_t i;
 302
 303         for (i = 0; i < nb_lcore_params; ++i) {
 304                 portid = lcore_params[i].port_id;
 305                 if ((enabled_port_mask & (1 << portid)) == 0) {
 306                         printf("port %u is not enabled in port mask\n", portid);
 307                         return -1;
 308                 }
 309                 if (!rte_eth_dev_is_valid_port(portid)) {
 310                         printf("port %u is not present on the board\n", portid);
 311                         return -1;
 312                 }
 313         }
 314         return 0;
 315 }
 316
 317 static uint8_t
 318 get_port_n_rx_queues(const uint16_t port)
 319 {
 320         int queue = -1;
 321         uint16_t i;
 322
 323         for (i = 0; i < nb_lcore_params; ++i) {
 324                 if (lcore_params[i].port_id == port) {
 325                         if (lcore_params[i].queue_id == queue+1)
 326                                 queue = lcore_params[i].queue_id;
 327                         else
 328                                 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
 329                                                 " in sequence and must start with 0\n",
 330                                                 lcore_params[i].port_id);
 331                 }
 332         }
 333         return (uint8_t)(++queue);
 334 }
 335
 336 static int
 337 init_lcore_rx_queues(void)
 338 {
 339         uint16_t i, nb_rx_queue;
 340         uint8_t lcore;
 341
 342         for (i = 0; i < nb_lcore_params; ++i) {
 343                 lcore = lcore_params[i].lcore_id;
 344                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
 345                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 346                         printf("error: too many queues (%u) for lcore: %u\n",
 347                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
 348                         return -1;
 349                 } else {
 350                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 351                                 lcore_params[i].port_id;
 352                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 353                                 lcore_params[i].queue_id;
 354                         lcore_conf[lcore].n_rx_queue++;
 355                 }
 356         }
 357         return 0;
 358 }
 359
 360 /* display usage */
 361 static void
 362 print_usage(const char *prgname)
 363 {
 364         fprintf(stderr, "%s [EAL options] --"
 365                 " -p PORTMASK"
 366                 "  --rule_ipv4=FILE"
 367                 "  --rule_ipv6=FILE"
 368                 " [-P]"
 369                 " [--lookup]"
 370                 " --config (port,queue,lcore)[,(port,queue,lcore)]"
 371                 " [--rx-queue-size NPKTS]"
 372                 " [--tx-queue-size NPKTS]"
 373                 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
 374                 " [--max-pkt-len PKTLEN]"
 375                 " [--no-numa]"
 376                 " [--hash-entry-num]"
 377                 " [--ipv6]"
 378                 " [--parse-ptype]"
 379                 " [--per-port-pool]"
 380                 " [--mode]"
 381                 " [--eventq-sched]"
 382                 " [--event-vector [--event-vector-size SIZE] [--event-vector-tmo NS]]"
 383                 " [-E]"
 384                 " [-L]\n\n"
 385
 386                 "  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
 387                 "  -P : Enable promiscuous mode\n"
 388                 "  --lookup: Select the lookup method\n"
 389                 "            Default: lpm\n"
 390                 "            Accepted: em (Exact Match), lpm (Longest Prefix Match), fib (Forwarding Information Base)\n"
 391                 "  --config (port,queue,lcore): Rx queue configuration\n"
 392                 "  --rx-queue-size NPKTS: Rx queue size in decimal\n"
 393                 "            Default: %d\n"
 394                 "  --tx-queue-size NPKTS: Tx queue size in decimal\n"
 395                 "            Default: %d\n"
 396                 "  --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n"
 397                 "  --max-pkt-len PKTLEN: maximum packet length in decimal (64-9600)\n"
 398                 "  --no-numa: Disable numa awareness\n"
 399                 "  --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n"
 400                 "  --ipv6: Set if running ipv6 packets\n"
 401                 "  --parse-ptype: Set to use software to analyze packet type\n"
 402                 "  --per-port-pool: Use separate buffer pool per port\n"
 403                 "  --mode: Packet transfer mode for I/O, poll or eventdev\n"
 404                 "          Default mode = poll\n"
 405                 "  --eventq-sched: Event queue synchronization method\n"
 406                 "                  ordered, atomic or parallel.\n"
 407                 "                  Default: atomic\n"
 408                 "                  Valid only if --mode=eventdev\n"
 409                 "  --event-eth-rxqs: Number of ethernet RX queues per device.\n"
 410                 "                    Default: 1\n"
 411                 "                    Valid only if --mode=eventdev\n"
 412                 "  --event-vector:  Enable event vectorization.\n"
 413                 "  --event-vector-size: Max vector size if event vectorization is enabled.\n"
 414                 "  --event-vector-tmo: Max timeout to form vector in nanoseconds if event vectorization is enabled\n"
 415                 "  -E : Enable exact match, legacy flag please use --lookup=em instead\n"
 416                 "  -L : Enable longest prefix match, legacy flag please use --lookup=lpm instead\n"
 417                 "  --rule_ipv4=FILE: Specify the ipv4 rules entries file.\n"
 418                 "                    Each rule occupies one line.\n"
 419                 "  --rule_ipv6=FILE: Specify the ipv6 rules entries file.\n\n",
 420                 prgname, RTE_TEST_RX_DESC_DEFAULT, RTE_TEST_TX_DESC_DEFAULT);
 421 }
 422
 423 static int
 424 parse_max_pkt_len(const char *pktlen)
 425 {
 426         char *end = NULL;
 427         unsigned long len;
 428
 429         /* parse decimal string */
 430         len = strtoul(pktlen, &end, 10);
 431         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
 432                 return -1;
 433
 434         if (len == 0)
 435                 return -1;
 436
 437         return len;
 438 }
 439
 440 static int
 441 parse_portmask(const char *portmask)
 442 {
 443         char *end = NULL;
 444         unsigned long pm;
 445
 446         /* parse hexadecimal string */
 447         pm = strtoul(portmask, &end, 16);
 448         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 449                 return 0;
 450
 451         return pm;
 452 }
 453
 454 static int
 455 parse_hash_entry_number(const char *hash_entry_num)
 456 {
 457         char *end = NULL;
 458         unsigned long hash_en;
 459         /* parse hexadecimal string */
 460         hash_en = strtoul(hash_entry_num, &end, 16);
 461         if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
 462                 return -1;
 463
 464         if (hash_en == 0)
 465                 return -1;
 466
 467         return hash_en;
 468 }
 469
 470 static int
 471 parse_config(const char *q_arg)
 472 {
 473         char s[256];
 474         const char *p, *p0 = q_arg;
 475         char *end;
 476         enum fieldnames {
 477                 FLD_PORT = 0,
 478                 FLD_QUEUE,
 479                 FLD_LCORE,
 480                 _NUM_FLD
 481         };
 482         unsigned long int_fld[_NUM_FLD];
 483         char *str_fld[_NUM_FLD];
 484         int i;
 485         unsigned size;
 486
 487         nb_lcore_params = 0;
 488
 489         while ((p = strchr(p0,'(')) != NULL) {
 490                 ++p;
 491                 if((p0 = strchr(p,')')) == NULL)
 492                         return -1;
 493
 494                 size = p0 - p;
 495                 if(size >= sizeof(s))
 496                         return -1;
 497
 498                 snprintf(s, sizeof(s), "%.*s", size, p);
 499                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 500                         return -1;
 501                 for (i = 0; i < _NUM_FLD; i++){
 502                         errno = 0;
 503                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 504                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 505                                 return -1;
 506                 }
 507                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 508                         printf("exceeded max number of lcore params: %hu\n",
 509                                 nb_lcore_params);
 510                         return -1;
 511                 }
 512                 lcore_params_array[nb_lcore_params].port_id =
 513                         (uint8_t)int_fld[FLD_PORT];
 514                 lcore_params_array[nb_lcore_params].queue_id =
 515                         (uint8_t)int_fld[FLD_QUEUE];
 516                 lcore_params_array[nb_lcore_params].lcore_id =
 517                         (uint8_t)int_fld[FLD_LCORE];
 518                 ++nb_lcore_params;
 519         }
 520         lcore_params = lcore_params_array;
 521         return 0;
 522 }
 523
 524 static void
 525 parse_eth_dest(const char *optarg)
 526 {
 527         uint16_t portid;
 528         char *port_end;
 529         uint8_t c, *dest, peer_addr[6];
 530
 531         errno = 0;
 532         portid = strtoul(optarg, &port_end, 10);
 533         if (errno != 0 || port_end == optarg || *port_end++ != ',')
 534                 rte_exit(EXIT_FAILURE,
 535                 "Invalid eth-dest: %s", optarg);
 536         if (portid >= RTE_MAX_ETHPORTS)
 537                 rte_exit(EXIT_FAILURE,
 538                 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
 539                 portid, RTE_MAX_ETHPORTS);
 540
 541         if (cmdline_parse_etheraddr(NULL, port_end,
 542                 &peer_addr, sizeof(peer_addr)) < 0)
 543                 rte_exit(EXIT_FAILURE,
 544                 "Invalid ethernet address: %s\n",
 545                 port_end);
 546         dest = (uint8_t *)&dest_eth_addr[portid];
 547         for (c = 0; c < 6; c++)
 548                 dest[c] = peer_addr[c];
 549         *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
 550 }
 551
 552 static void
 553 parse_mode(const char *optarg)
 554 {
 555         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 556
 557         if (!strcmp(optarg, "poll"))
 558                 evt_rsrc->enabled = false;
 559         else if (!strcmp(optarg, "eventdev"))
 560                 evt_rsrc->enabled = true;
 561 }
 562
 563 static void
 564 parse_queue_size(const char *queue_size_arg, uint16_t *queue_size, int rx)
 565 {
 566         char *end = NULL;
 567         unsigned long value;
 568
 569         /* parse decimal string */
 570         value = strtoul(queue_size_arg, &end, 10);
 571         if ((queue_size_arg[0] == '\0') || (end == NULL) ||
 572                 (*end != '\0') || (value == 0)) {
 573                 if (rx == 1)
 574                         rte_exit(EXIT_FAILURE, "Invalid rx-queue-size\n");
 575                 else
 576                         rte_exit(EXIT_FAILURE, "Invalid tx-queue-size\n");
 577
 578                 return;
 579         }
 580
 581         if (value > UINT16_MAX) {
 582                 if (rx == 1)
 583                         rte_exit(EXIT_FAILURE, "rx-queue-size %lu > %d\n",
 584                                 value, UINT16_MAX);
 585                 else
 586                         rte_exit(EXIT_FAILURE, "tx-queue-size %lu > %d\n",
 587                                 value, UINT16_MAX);
 588
 589                 return;
 590         }
 591
 592         *queue_size = value;
 593 }
 594
 595 static void
 596 parse_eventq_sched(const char *optarg)
 597 {
 598         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 599
 600         if (!strcmp(optarg, "ordered"))
 601                 evt_rsrc->sched_type = RTE_SCHED_TYPE_ORDERED;
 602         if (!strcmp(optarg, "atomic"))
 603                 evt_rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC;
 604         if (!strcmp(optarg, "parallel"))
 605                 evt_rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL;
 606 }
 607
 608 static void
 609 parse_event_eth_rx_queues(const char *eth_rx_queues)
 610 {
 611         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 612         char *end = NULL;
 613         uint8_t num_eth_rx_queues;
 614
 615         /* parse decimal string */
 616         num_eth_rx_queues = strtoul(eth_rx_queues, &end, 10);
 617         if ((eth_rx_queues[0] == '\0') || (end == NULL) || (*end != '\0'))
 618                 return;
 619
 620         if (num_eth_rx_queues == 0)
 621                 return;
 622
 623         evt_rsrc->eth_rx_queues = num_eth_rx_queues;
 624 }
 625
 626 static int
 627 parse_lookup(const char *optarg)
 628 {
 629         if (!strcmp(optarg, "em"))
 630                 lookup_mode = L3FWD_LOOKUP_EM;
 631         else if (!strcmp(optarg, "lpm"))
 632                 lookup_mode = L3FWD_LOOKUP_LPM;
 633         else if (!strcmp(optarg, "fib"))
 634                 lookup_mode = L3FWD_LOOKUP_FIB;
 635         else {
 636                 fprintf(stderr, "Invalid lookup option! Accepted options: em, lpm, fib\n");
 637                 return -1;
 638         }
 639         return 0;
 640 }
 641
 642 #define MAX_JUMBO_PKT_LEN  9600
 643
 644 static const char short_options[] =
 645         "p:"  /* portmask */
 646         "P"   /* promiscuous */
 647         "L"   /* legacy enable long prefix match */
 648         "E"   /* legacy enable exact match */
 649         ;
 650
 651 #define CMD_LINE_OPT_CONFIG "config"
 652 #define CMD_LINE_OPT_RX_QUEUE_SIZE "rx-queue-size"
 653 #define CMD_LINE_OPT_TX_QUEUE_SIZE "tx-queue-size"
 654 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
 655 #define CMD_LINE_OPT_NO_NUMA "no-numa"
 656 #define CMD_LINE_OPT_IPV6 "ipv6"
 657 #define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len"
 658 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
 659 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
 660 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
 661 #define CMD_LINE_OPT_MODE "mode"
 662 #define CMD_LINE_OPT_EVENTQ_SYNC "eventq-sched"
 663 #define CMD_LINE_OPT_EVENT_ETH_RX_QUEUES "event-eth-rxqs"
 664 #define CMD_LINE_OPT_LOOKUP "lookup"
 665 #define CMD_LINE_OPT_ENABLE_VECTOR "event-vector"
 666 #define CMD_LINE_OPT_VECTOR_SIZE "event-vector-size"
 667 #define CMD_LINE_OPT_VECTOR_TMO_NS "event-vector-tmo"
 668 #define CMD_LINE_OPT_RULE_IPV4 "rule_ipv4"
 669 #define CMD_LINE_OPT_RULE_IPV6 "rule_ipv6"
 670
 671 enum {
 672         /* long options mapped to a short option */
 673
 674         /* first long only option value must be >= 256, so that we won't
 675          * conflict with short options */
 676         CMD_LINE_OPT_MIN_NUM = 256,
 677         CMD_LINE_OPT_CONFIG_NUM,
 678         CMD_LINE_OPT_RX_QUEUE_SIZE_NUM,
 679         CMD_LINE_OPT_TX_QUEUE_SIZE_NUM,
 680         CMD_LINE_OPT_ETH_DEST_NUM,
 681         CMD_LINE_OPT_NO_NUMA_NUM,
 682         CMD_LINE_OPT_IPV6_NUM,
 683         CMD_LINE_OPT_MAX_PKT_LEN_NUM,
 684         CMD_LINE_OPT_HASH_ENTRY_NUM_NUM,
 685         CMD_LINE_OPT_PARSE_PTYPE_NUM,
 686         CMD_LINE_OPT_RULE_IPV4_NUM,
 687         CMD_LINE_OPT_RULE_IPV6_NUM,
 688         CMD_LINE_OPT_PARSE_PER_PORT_POOL,
 689         CMD_LINE_OPT_MODE_NUM,
 690         CMD_LINE_OPT_EVENTQ_SYNC_NUM,
 691         CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM,
 692         CMD_LINE_OPT_LOOKUP_NUM,
 693         CMD_LINE_OPT_ENABLE_VECTOR_NUM,
 694         CMD_LINE_OPT_VECTOR_SIZE_NUM,
 695         CMD_LINE_OPT_VECTOR_TMO_NS_NUM
 696 };
 697
 698 static const struct option lgopts[] = {
 699         {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
 700         {CMD_LINE_OPT_RX_QUEUE_SIZE, 1, 0, CMD_LINE_OPT_RX_QUEUE_SIZE_NUM},
 701         {CMD_LINE_OPT_TX_QUEUE_SIZE, 1, 0, CMD_LINE_OPT_TX_QUEUE_SIZE_NUM},
 702         {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
 703         {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
 704         {CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM},
 705         {CMD_LINE_OPT_MAX_PKT_LEN, 1, 0, CMD_LINE_OPT_MAX_PKT_LEN_NUM},
 706         {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM},
 707         {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM},
 708         {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
 709         {CMD_LINE_OPT_MODE, 1, 0, CMD_LINE_OPT_MODE_NUM},
 710         {CMD_LINE_OPT_EVENTQ_SYNC, 1, 0, CMD_LINE_OPT_EVENTQ_SYNC_NUM},
 711         {CMD_LINE_OPT_EVENT_ETH_RX_QUEUES, 1, 0,
 712                                         CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM},
 713         {CMD_LINE_OPT_LOOKUP, 1, 0, CMD_LINE_OPT_LOOKUP_NUM},
 714         {CMD_LINE_OPT_ENABLE_VECTOR, 0, 0, CMD_LINE_OPT_ENABLE_VECTOR_NUM},
 715         {CMD_LINE_OPT_VECTOR_SIZE, 1, 0, CMD_LINE_OPT_VECTOR_SIZE_NUM},
 716         {CMD_LINE_OPT_VECTOR_TMO_NS, 1, 0, CMD_LINE_OPT_VECTOR_TMO_NS_NUM},
 717         {CMD_LINE_OPT_RULE_IPV4,   1, 0, CMD_LINE_OPT_RULE_IPV4_NUM},
 718         {CMD_LINE_OPT_RULE_IPV6,   1, 0, CMD_LINE_OPT_RULE_IPV6_NUM},
 719         {NULL, 0, 0, 0}
 720 };
 721
 722 /*
 723  * This expression is used to calculate the number of mbufs needed
 724  * depending on user input, taking  into account memory for rx and
 725  * tx hardware rings, cache per lcore and mtable per port per lcore.
 726  * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
 727  * value of 8192
 728  */
 729 #define NB_MBUF(nports) RTE_MAX(        \
 730         (nports*nb_rx_queue*nb_rxd +            \
 731         nports*nb_lcores*MAX_PKT_BURST +        \
 732         nports*n_tx_queue*nb_txd +              \
 733         nb_lcores*MEMPOOL_CACHE_SIZE),          \
 734         (unsigned)8192)
 735
 736 /* Parse the argument given in the command line of the application */
 737 static int
 738 parse_args(int argc, char **argv)
 739 {
 740         int opt, ret;
 741         char **argvopt;
 742         int option_index;
 743         char *prgname = argv[0];
 744         uint8_t lcore_params = 0;
 745         uint8_t eventq_sched = 0;
 746         uint8_t eth_rx_q = 0;
 747         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 748
 749         argvopt = argv;
 750
 751         /* Error or normal output strings. */
 752         while ((opt = getopt_long(argc, argvopt, short_options,
 753                                 lgopts, &option_index)) != EOF) {
 754
 755                 switch (opt) {
 756                 /* portmask */
 757                 case 'p':
 758                         enabled_port_mask = parse_portmask(optarg);
 759                         if (enabled_port_mask == 0) {
 760                                 fprintf(stderr, "Invalid portmask\n");
 761                                 print_usage(prgname);
 762                                 return -1;
 763                         }
 764                         break;
 765
 766                 case 'P':
 767                         promiscuous_on = 1;
 768                         break;
 769
 770                 case 'E':
 771                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 772                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 773                                 return -1;
 774                         }
 775                         lookup_mode = L3FWD_LOOKUP_EM;
 776                         break;
 777
 778                 case 'L':
 779                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 780                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 781                                 return -1;
 782                         }
 783                         lookup_mode = L3FWD_LOOKUP_LPM;
 784                         break;
 785
 786                 /* long options */
 787                 case CMD_LINE_OPT_CONFIG_NUM:
 788                         ret = parse_config(optarg);
 789                         if (ret) {
 790                                 fprintf(stderr, "Invalid config\n");
 791                                 print_usage(prgname);
 792                                 return -1;
 793                         }
 794                         lcore_params = 1;
 795                         break;
 796
 797                 case CMD_LINE_OPT_RX_QUEUE_SIZE_NUM:
 798                         parse_queue_size(optarg, &nb_rxd, 1);
 799                         break;
 800
 801                 case CMD_LINE_OPT_TX_QUEUE_SIZE_NUM:
 802                         parse_queue_size(optarg, &nb_txd, 0);
 803                         break;
 804
 805                 case CMD_LINE_OPT_ETH_DEST_NUM:
 806                         parse_eth_dest(optarg);
 807                         break;
 808
 809                 case CMD_LINE_OPT_NO_NUMA_NUM:
 810                         numa_on = 0;
 811                         break;
 812
 813                 case CMD_LINE_OPT_IPV6_NUM:
 814                         ipv6 = 1;
 815                         break;
 816
 817                 case CMD_LINE_OPT_MAX_PKT_LEN_NUM:
 818                         max_pkt_len = parse_max_pkt_len(optarg);
 819                         break;
 820
 821                 case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM:
 822                         ret = parse_hash_entry_number(optarg);
 823                         if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
 824                                 hash_entry_number = ret;
 825                         } else {
 826                                 fprintf(stderr, "invalid hash entry number\n");
 827                                 print_usage(prgname);
 828                                 return -1;
 829                         }
 830                         break;
 831
 832                 case CMD_LINE_OPT_PARSE_PTYPE_NUM:
 833                         printf("soft parse-ptype is enabled\n");
 834                         parse_ptype = 1;
 835                         break;
 836
 837                 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
 838                         printf("per port buffer pool is enabled\n");
 839                         per_port_pool = 1;
 840                         break;
 841
 842                 case CMD_LINE_OPT_MODE_NUM:
 843                         parse_mode(optarg);
 844                         break;
 845
 846                 case CMD_LINE_OPT_EVENTQ_SYNC_NUM:
 847                         parse_eventq_sched(optarg);
 848                         eventq_sched = 1;
 849                         break;
 850
 851                 case CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM:
 852                         parse_event_eth_rx_queues(optarg);
 853                         eth_rx_q = 1;
 854                         break;
 855
 856                 case CMD_LINE_OPT_LOOKUP_NUM:
 857                         if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
 858                                 fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
 859                                 return -1;
 860                         }
 861                         ret = parse_lookup(optarg);
 862                         /*
 863                          * If parse_lookup was passed an invalid lookup type
 864                          * then return -1. Error log included within
 865                          * parse_lookup for simplicity.
 866                          */
 867                         if (ret)
 868                                 return -1;
 869                         break;
 870
 871                 case CMD_LINE_OPT_ENABLE_VECTOR_NUM:
 872                         printf("event vectorization is enabled\n");
 873                         evt_rsrc->vector_enabled = 1;
 874                         break;
 875                 case CMD_LINE_OPT_VECTOR_SIZE_NUM:
 876                         evt_rsrc->vector_size = strtol(optarg, NULL, 10);
 877                         break;
 878                 case CMD_LINE_OPT_VECTOR_TMO_NS_NUM:
 879                         evt_rsrc->vector_tmo_ns = strtoull(optarg, NULL, 10);
 880                         break;
 881                 case CMD_LINE_OPT_RULE_IPV4_NUM:
 882                         l3fwd_set_rule_ipv4_name(optarg);
 883                         break;
 884                 case CMD_LINE_OPT_RULE_IPV6_NUM:
 885                         l3fwd_set_rule_ipv6_name(optarg);
 886                         break;
 887                 default:
 888                         print_usage(prgname);
 889                         return -1;
 890                 }
 891         }
 892
 893         if (evt_rsrc->enabled && lcore_params) {
 894                 fprintf(stderr, "lcore config is not valid when event mode is selected\n");
 895                 return -1;
 896         }
 897
 898         if (!evt_rsrc->enabled && eth_rx_q) {
 899                 fprintf(stderr, "eth_rx_queues is valid only when event mode is selected\n");
 900                 return -1;
 901         }
 902
 903         if (!evt_rsrc->enabled && eventq_sched) {
 904                 fprintf(stderr, "eventq_sched is valid only when event mode is selected\n");
 905                 return -1;
 906         }
 907
 908         if (evt_rsrc->vector_enabled && !evt_rsrc->vector_size) {
 909                 evt_rsrc->vector_size = VECTOR_SIZE_DEFAULT;
 910                 fprintf(stderr, "vector size set to default (%" PRIu16 ")\n",
 911                         evt_rsrc->vector_size);
 912         }
 913
 914         if (evt_rsrc->vector_enabled && !evt_rsrc->vector_tmo_ns) {
 915                 evt_rsrc->vector_tmo_ns = VECTOR_TMO_NS_DEFAULT;
 916                 fprintf(stderr,
 917                         "vector timeout set to default (%" PRIu64 " ns)\n",
 918                         evt_rsrc->vector_tmo_ns);
 919         }
 920
 921         /*
 922          * Nothing is selected, pick longest-prefix match
 923          * as default match.
 924          */
 925         if (lookup_mode == L3FWD_LOOKUP_DEFAULT) {
 926                 fprintf(stderr, "Neither LPM, EM, or FIB selected, defaulting to LPM\n");
 927                 lookup_mode = L3FWD_LOOKUP_LPM;
 928         }
 929
 930         /*
 931          * ipv6 and hash flags are valid only for
 932          * exact match, reset them to default for
 933          * longest-prefix match.
 934          */
 935         if (lookup_mode == L3FWD_LOOKUP_LPM) {
 936                 ipv6 = 0;
 937                 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
 938         }
 939
 940         if (optind >= 0)
 941                 argv[optind-1] = prgname;
 942
 943         ret = optind-1;
 944         optind = 1; /* reset getopt lib */
 945         return ret;
 946 }
 947
 948 static void
 949 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
 950 {
 951         char buf[RTE_ETHER_ADDR_FMT_SIZE];
 952         rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
 953         printf("%s%s", name, buf);
 954 }
 955
 956 int
 957 init_mem(uint16_t portid, unsigned int nb_mbuf)
 958 {
 959         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 960         struct lcore_conf *qconf;
 961         int socketid;
 962         unsigned lcore_id;
 963         char s[64];
 964
 965         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 966                 if (rte_lcore_is_enabled(lcore_id) == 0)
 967                         continue;
 968
 969                 if (numa_on)
 970                         socketid = rte_lcore_to_socket_id(lcore_id);
 971                 else
 972                         socketid = 0;
 973
 974                 if (socketid >= NB_SOCKETS) {
 975                         rte_exit(EXIT_FAILURE,
 976                                 "Socket %d of lcore %u is out of range %d\n",
 977                                 socketid, lcore_id, NB_SOCKETS);
 978                 }
 979
 980                 if (pktmbuf_pool[portid][socketid] == NULL) {
 981                         snprintf(s, sizeof(s), "mbuf_pool_%d:%d",
 982                                  portid, socketid);
 983                         pktmbuf_pool[portid][socketid] =
 984                                 rte_pktmbuf_pool_create(s, nb_mbuf,
 985                                         MEMPOOL_CACHE_SIZE, 0,
 986                                         RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
 987                         if (pktmbuf_pool[portid][socketid] == NULL)
 988                                 rte_exit(EXIT_FAILURE,
 989                                         "Cannot init mbuf pool on socket %d\n",
 990                                         socketid);
 991                         else
 992                                 printf("Allocated mbuf pool on socket %d\n",
 993                                         socketid);
 994
 995                         /* Setup LPM, EM(f.e Hash) or FIB. But, only once per
 996                          * available socket.
 997                          */
 998                         if (!lkp_per_socket[socketid]) {
 999                                 l3fwd_lkp.setup(socketid);
1000                                 lkp_per_socket[socketid] = 1;
1001                         }
1002                 }
1003
1004                 if (evt_rsrc->vector_enabled && vector_pool[portid] == NULL) {
1005                         unsigned int nb_vec;
1006
1007                         nb_vec = (nb_mbuf + evt_rsrc->vector_size - 1) /
1008                                  evt_rsrc->vector_size;
1009                         snprintf(s, sizeof(s), "vector_pool_%d", portid);
1010                         vector_pool[portid] = rte_event_vector_pool_create(
1011                                 s, nb_vec, 0, evt_rsrc->vector_size, socketid);
1012                         if (vector_pool[portid] == NULL)
1013                                 rte_exit(EXIT_FAILURE,
1014                                          "Failed to create vector pool for port %d\n",
1015                                          portid);
1016                         else
1017                                 printf("Allocated vector pool for port %d\n",
1018                                        portid);
1019                 }
1020
1021                 qconf = &lcore_conf[lcore_id];
1022                 qconf->ipv4_lookup_struct =
1023                         l3fwd_lkp.get_ipv4_lookup_struct(socketid);
1024                 qconf->ipv6_lookup_struct =
1025                         l3fwd_lkp.get_ipv6_lookup_struct(socketid);
1026         }
1027         return 0;
1028 }
1029
1030 /* Check the link status of all ports in up to 9s, and print them finally */
1031 static void
1032 check_all_ports_link_status(uint32_t port_mask)
1033 {
1034 #define CHECK_INTERVAL 100 /* 100ms */
1035 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1036         uint16_t portid;
1037         uint8_t count, all_ports_up, print_flag = 0;
1038         struct rte_eth_link link;
1039         int ret;
1040         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
1041
1042         printf("\nChecking link status");
1043         fflush(stdout);
1044         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1045                 if (force_quit)
1046                         return;
1047                 all_ports_up = 1;
1048                 RTE_ETH_FOREACH_DEV(portid) {
1049                         if (force_quit)
1050                                 return;
1051                         if ((port_mask & (1 << portid)) == 0)
1052                                 continue;
1053                         memset(&link, 0, sizeof(link));
1054                         ret = rte_eth_link_get_nowait(portid, &link);
1055                         if (ret < 0) {
1056                                 all_ports_up = 0;
1057                                 if (print_flag == 1)
1058                                         printf("Port %u link get failed: %s\n",
1059                                                 portid, rte_strerror(-ret));
1060                                 continue;
1061                         }
1062                         /* print link status if flag set */
1063                         if (print_flag == 1) {
1064                                 rte_eth_link_to_str(link_status_text,
1065                                         sizeof(link_status_text), &link);
1066                                 printf("Port %d %s\n", portid,
1067                                        link_status_text);
1068                                 continue;
1069                         }
1070                         /* clear all_ports_up flag if any link down */
1071                         if (link.link_status == RTE_ETH_LINK_DOWN) {
1072                                 all_ports_up = 0;
1073                                 break;
1074                         }
1075                 }
1076                 /* after finally printing all link status, get out */
1077                 if (print_flag == 1)
1078                         break;
1079
1080                 if (all_ports_up == 0) {
1081                         printf(".");
1082                         fflush(stdout);
1083                         rte_delay_ms(CHECK_INTERVAL);
1084                 }
1085
1086                 /* set the print_flag if all ports up or timeout */
1087                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1088                         print_flag = 1;
1089                         printf("done\n");
1090                 }
1091         }
1092 }
1093
1094 static void
1095 signal_handler(int signum)
1096 {
1097         if (signum == SIGINT || signum == SIGTERM) {
1098                 printf("\n\nSignal %d received, preparing to exit...\n",
1099                                 signum);
1100                 force_quit = true;
1101         }
1102 }
1103
1104 static int
1105 prepare_ptype_parser(uint16_t portid, uint16_t queueid)
1106 {
1107         if (parse_ptype) {
1108                 printf("Port %d: softly parse packet type info\n", portid);
1109                 if (rte_eth_add_rx_callback(portid, queueid,
1110                                             l3fwd_lkp.cb_parse_ptype,
1111                                             NULL))
1112                         return 1;
1113
1114                 printf("Failed to add rx callback: port=%d\n", portid);
1115                 return 0;
1116         }
1117
1118         if (l3fwd_lkp.check_ptype(portid))
1119                 return 1;
1120
1121         printf("port %d cannot parse packet type, please add --%s\n",
1122                portid, CMD_LINE_OPT_PARSE_PTYPE);
1123         return 0;
1124 }
1125
1126 static uint32_t
1127 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
1128 {
1129         uint32_t overhead_len;
1130
1131         if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
1132                 overhead_len = max_rx_pktlen - max_mtu;
1133         else
1134                 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1135
1136         return overhead_len;
1137 }
1138
1139 static int
1140 config_port_max_pkt_len(struct rte_eth_conf *conf,
1141                 struct rte_eth_dev_info *dev_info)
1142 {
1143         uint32_t overhead_len;
1144
1145         if (max_pkt_len == 0)
1146                 return 0;
1147
1148         if (max_pkt_len < RTE_ETHER_MIN_LEN || max_pkt_len > MAX_JUMBO_PKT_LEN)
1149                 return -1;
1150
1151         overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
1152                         dev_info->max_mtu);
1153         conf->rxmode.mtu = max_pkt_len - overhead_len;
1154
1155         if (conf->rxmode.mtu > RTE_ETHER_MTU)
1156                 conf->txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
1157
1158         return 0;
1159 }
1160
1161 static void
1162 l3fwd_poll_resource_setup(void)
1163 {
1164         uint8_t nb_rx_queue, queue, socketid;
1165         struct rte_eth_dev_info dev_info;
1166         uint32_t n_tx_queue, nb_lcores;
1167         struct rte_eth_txconf *txconf;
1168         struct lcore_conf *qconf;
1169         uint16_t queueid, portid;
1170         unsigned int nb_ports;
1171         unsigned int lcore_id;
1172         int ret;
1173
1174         if (check_lcore_params() < 0)
1175                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1176
1177         ret = init_lcore_rx_queues();
1178         if (ret < 0)
1179                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1180
1181         nb_ports = rte_eth_dev_count_avail();
1182
1183         if (check_port_config() < 0)
1184                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1185
1186         nb_lcores = rte_lcore_count();
1187
1188         /* initialize all ports */
1189         RTE_ETH_FOREACH_DEV(portid) {
1190                 struct rte_eth_conf local_port_conf = port_conf;
1191
1192                 /* skip ports that are not enabled */
1193                 if ((enabled_port_mask & (1 << portid)) == 0) {
1194                         printf("\nSkipping disabled port %d\n", portid);
1195                         continue;
1196                 }
1197
1198                 /* init port */
1199                 printf("Initializing port %d ... ", portid );
1200                 fflush(stdout);
1201
1202                 nb_rx_queue = get_port_n_rx_queues(portid);
1203                 n_tx_queue = nb_lcores;
1204                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1205                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1206                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1207                         nb_rx_queue, (unsigned)n_tx_queue );
1208
1209                 ret = rte_eth_dev_info_get(portid, &dev_info);
1210                 if (ret != 0)
1211                         rte_exit(EXIT_FAILURE,
1212                                 "Error during getting device (port %u) info: %s\n",
1213                                 portid, strerror(-ret));
1214
1215                 ret = config_port_max_pkt_len(&local_port_conf, &dev_info);
1216                 if (ret != 0)
1217                         rte_exit(EXIT_FAILURE,
1218                                 "Invalid max packet length: %u (port %u)\n",
1219                                 max_pkt_len, portid);
1220
1221                 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
1222                         local_port_conf.txmode.offloads |=
1223                                 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
1224
1225                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
1226                         dev_info.flow_type_rss_offloads;
1227
1228                 if (dev_info.max_rx_queues == 1)
1229                         local_port_conf.rxmode.mq_mode = RTE_ETH_MQ_RX_NONE;
1230
1231                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
1232                                 port_conf.rx_adv_conf.rss_conf.rss_hf) {
1233                         printf("Port %u modified RSS hash function based on hardware support,"
1234                                 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
1235                                 portid,
1236                                 port_conf.rx_adv_conf.rss_conf.rss_hf,
1237                                 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
1238                 }
1239
1240                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1241                                         (uint16_t)n_tx_queue, &local_port_conf);
1242                 if (ret < 0)
1243                         rte_exit(EXIT_FAILURE,
1244                                 "Cannot configure device: err=%d, port=%d\n",
1245                                 ret, portid);
1246
1247                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1248                                                        &nb_txd);
1249                 if (ret < 0)
1250                         rte_exit(EXIT_FAILURE,
1251                                  "Cannot adjust number of descriptors: err=%d, "
1252                                  "port=%d\n", ret, portid);
1253
1254                 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1255                 if (ret < 0)
1256                         rte_exit(EXIT_FAILURE,
1257                                  "Cannot get MAC address: err=%d, port=%d\n",
1258                                  ret, portid);
1259
1260                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1261                 printf(", ");
1262                 print_ethaddr("Destination:",
1263                         (const struct rte_ether_addr *)&dest_eth_addr[portid]);
1264                 printf(", ");
1265
1266                 /*
1267                  * prepare src MACs for each port.
1268                  */
1269                 rte_ether_addr_copy(&ports_eth_addr[portid],
1270                         (struct rte_ether_addr *)(val_eth + portid) + 1);
1271
1272                 /* init memory */
1273                 if (!per_port_pool) {
1274                         /* portid = 0; this is *not* signifying the first port,
1275                          * rather, it signifies that portid is ignored.
1276                          */
1277                         ret = init_mem(0, NB_MBUF(nb_ports));
1278                 } else {
1279                         ret = init_mem(portid, NB_MBUF(1));
1280                 }
1281                 if (ret < 0)
1282                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1283
1284                 /* init one TX queue per couple (lcore,port) */
1285                 queueid = 0;
1286                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1287                         if (rte_lcore_is_enabled(lcore_id) == 0)
1288                                 continue;
1289
1290                         if (numa_on)
1291                                 socketid =
1292                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1293                         else
1294                                 socketid = 0;
1295
1296                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1297                         fflush(stdout);
1298
1299                         txconf = &dev_info.default_txconf;
1300                         txconf->offloads = local_port_conf.txmode.offloads;
1301                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1302                                                      socketid, txconf);
1303                         if (ret < 0)
1304                                 rte_exit(EXIT_FAILURE,
1305                                         "rte_eth_tx_queue_setup: err=%d, "
1306                                         "port=%d\n", ret, portid);
1307
1308                         qconf = &lcore_conf[lcore_id];
1309                         qconf->tx_queue_id[portid] = queueid;
1310                         queueid++;
1311
1312                         qconf->tx_port_id[qconf->n_tx_port] = portid;
1313                         qconf->n_tx_port++;
1314                 }
1315                 printf("\n");
1316         }
1317
1318         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1319                 if (rte_lcore_is_enabled(lcore_id) == 0)
1320                         continue;
1321                 qconf = &lcore_conf[lcore_id];
1322                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1323                 fflush(stdout);
1324                 /* init RX queues */
1325                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1326                         struct rte_eth_rxconf rxq_conf;
1327
1328                         portid = qconf->rx_queue_list[queue].port_id;
1329                         queueid = qconf->rx_queue_list[queue].queue_id;
1330
1331                         if (numa_on)
1332                                 socketid =
1333                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1334                         else
1335                                 socketid = 0;
1336
1337                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1338                         fflush(stdout);
1339
1340                         ret = rte_eth_dev_info_get(portid, &dev_info);
1341                         if (ret != 0)
1342                                 rte_exit(EXIT_FAILURE,
1343                                         "Error during getting device (port %u) info: %s\n",
1344                                         portid, strerror(-ret));
1345
1346                         rxq_conf = dev_info.default_rxconf;
1347                         rxq_conf.offloads = port_conf.rxmode.offloads;
1348                         if (!per_port_pool)
1349                                 ret = rte_eth_rx_queue_setup(portid, queueid,
1350                                                 nb_rxd, socketid,
1351                                                 &rxq_conf,
1352                                                 pktmbuf_pool[0][socketid]);
1353                         else
1354                                 ret = rte_eth_rx_queue_setup(portid, queueid,
1355                                                 nb_rxd, socketid,
1356                                                 &rxq_conf,
1357                                                 pktmbuf_pool[portid][socketid]);
1358                         if (ret < 0)
1359                                 rte_exit(EXIT_FAILURE,
1360                                 "rte_eth_rx_queue_setup: err=%d, port=%d\n",
1361                                 ret, portid);
1362                 }
1363         }
1364 }
1365
1366 static inline int
1367 l3fwd_service_enable(uint32_t service_id)
1368 {
1369         uint8_t min_service_count = UINT8_MAX;
1370         uint32_t slcore_array[RTE_MAX_LCORE];
1371         unsigned int slcore = 0;
1372         uint8_t service_count;
1373         int32_t slcore_count;
1374
1375         if (!rte_service_lcore_count())
1376                 return -ENOENT;
1377
1378         slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE);
1379         if (slcore_count < 0)
1380                 return -ENOENT;
1381         /* Get the core which has least number of services running. */
1382         while (slcore_count--) {
1383                 /* Reset default mapping */
1384                 if (rte_service_map_lcore_set(service_id,
1385                                 slcore_array[slcore_count], 0) != 0)
1386                         return -ENOENT;
1387                 service_count = rte_service_lcore_count_services(
1388                                 slcore_array[slcore_count]);
1389                 if (service_count < min_service_count) {
1390                         slcore = slcore_array[slcore_count];
1391                         min_service_count = service_count;
1392                 }
1393         }
1394         if (rte_service_map_lcore_set(service_id, slcore, 1))
1395                 return -ENOENT;
1396         rte_service_lcore_start(slcore);
1397
1398         return 0;
1399 }
1400
1401 static void
1402 l3fwd_event_service_setup(void)
1403 {
1404         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
1405         struct rte_event_dev_info evdev_info;
1406         uint32_t service_id, caps;
1407         int ret, i;
1408
1409         rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info);
1410         if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) {
1411                 ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id,
1412                                 &service_id);
1413                 if (ret != -ESRCH && ret != 0)
1414                         rte_exit(EXIT_FAILURE,
1415                                  "Error in starting eventdev service\n");
1416                 l3fwd_service_enable(service_id);
1417         }
1418
1419         for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
1420                 ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id,
1421                                 evt_rsrc->rx_adptr.rx_adptr[i], &caps);
1422                 if (ret < 0)
1423                         rte_exit(EXIT_FAILURE,
1424                                  "Failed to get Rx adapter[%d] caps\n",
1425                                  evt_rsrc->rx_adptr.rx_adptr[i]);
1426                 ret = rte_event_eth_rx_adapter_service_id_get(
1427                                 evt_rsrc->event_d_id,
1428                                 &service_id);
1429                 if (ret != -ESRCH && ret != 0)
1430                         rte_exit(EXIT_FAILURE,
1431                                  "Error in starting Rx adapter[%d] service\n",
1432                                  evt_rsrc->rx_adptr.rx_adptr[i]);
1433                 l3fwd_service_enable(service_id);
1434         }
1435
1436         for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) {
1437                 ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id,
1438                                 evt_rsrc->tx_adptr.tx_adptr[i], &caps);
1439                 if (ret < 0)
1440                         rte_exit(EXIT_FAILURE,
1441                                  "Failed to get Rx adapter[%d] caps\n",
1442                                  evt_rsrc->tx_adptr.tx_adptr[i]);
1443                 ret = rte_event_eth_tx_adapter_service_id_get(
1444                                 evt_rsrc->event_d_id,
1445                                 &service_id);
1446                 if (ret != -ESRCH && ret != 0)
1447                         rte_exit(EXIT_FAILURE,
1448                                  "Error in starting Rx adapter[%d] service\n",
1449                                  evt_rsrc->tx_adptr.tx_adptr[i]);
1450                 l3fwd_service_enable(service_id);
1451         }
1452 }
1453
1454 int
1455 main(int argc, char **argv)
1456 {
1457         struct l3fwd_event_resources *evt_rsrc;
1458         struct lcore_conf *qconf;
1459         uint16_t queueid, portid;
1460         unsigned int lcore_id;
1461         uint8_t queue;
1462         int i, ret;
1463
1464         /* init EAL */
1465         ret = rte_eal_init(argc, argv);
1466         if (ret < 0)
1467                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1468         argc -= ret;
1469         argv += ret;
1470
1471         force_quit = false;
1472         signal(SIGINT, signal_handler);
1473         signal(SIGTERM, signal_handler);
1474
1475         /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
1476         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1477                 dest_eth_addr[portid] =
1478                         RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
1479                 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
1480         }
1481
1482         evt_rsrc = l3fwd_get_eventdev_rsrc();
1483         /* parse application arguments (after the EAL ones) */
1484         ret = parse_args(argc, argv);
1485         if (ret < 0)
1486                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1487
1488         /* Setup function pointers for lookup method. */
1489         setup_l3fwd_lookup_tables();
1490
1491         /* Add the config file rules */
1492         l3fwd_lkp.read_config_files();
1493
1494         evt_rsrc->per_port_pool = per_port_pool;
1495         evt_rsrc->pkt_pool = pktmbuf_pool;
1496         evt_rsrc->vec_pool = vector_pool;
1497         evt_rsrc->port_mask = enabled_port_mask;
1498         /* Configure eventdev parameters if user has requested */
1499         if (evt_rsrc->enabled) {
1500                 l3fwd_event_resource_setup(&port_conf);
1501                 if (lookup_mode == L3FWD_LOOKUP_EM)
1502                         l3fwd_lkp.main_loop = evt_rsrc->ops.em_event_loop;
1503                 else if (lookup_mode == L3FWD_LOOKUP_FIB)
1504                         l3fwd_lkp.main_loop = evt_rsrc->ops.fib_event_loop;
1505                 else
1506                         l3fwd_lkp.main_loop = evt_rsrc->ops.lpm_event_loop;
1507                 l3fwd_event_service_setup();
1508         } else
1509                 l3fwd_poll_resource_setup();
1510
1511         /* start ports */
1512         RTE_ETH_FOREACH_DEV(portid) {
1513                 if ((enabled_port_mask & (1 << portid)) == 0) {
1514                         continue;
1515                 }
1516                 /* Start device */
1517                 ret = rte_eth_dev_start(portid);
1518                 if (ret < 0)
1519                         rte_exit(EXIT_FAILURE,
1520                                 "rte_eth_dev_start: err=%d, port=%d\n",
1521                                 ret, portid);
1522
1523                 /*
1524                  * If enabled, put device in promiscuous mode.
1525                  * This allows IO forwarding mode to forward packets
1526                  * to itself through 2 cross-connected  ports of the
1527                  * target machine.
1528                  */
1529                 if (promiscuous_on) {
1530                         ret = rte_eth_promiscuous_enable(portid);
1531                         if (ret != 0)
1532                                 rte_exit(EXIT_FAILURE,
1533                                         "rte_eth_promiscuous_enable: err=%s, port=%u\n",
1534                                         rte_strerror(-ret), portid);
1535                 }
1536         }
1537
1538         printf("\n");
1539
1540         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1541                 if (rte_lcore_is_enabled(lcore_id) == 0)
1542                         continue;
1543                 qconf = &lcore_conf[lcore_id];
1544                 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
1545                         portid = qconf->rx_queue_list[queue].port_id;
1546                         queueid = qconf->rx_queue_list[queue].queue_id;
1547                         if (prepare_ptype_parser(portid, queueid) == 0)
1548                                 rte_exit(EXIT_FAILURE, "ptype check fails\n");
1549                 }
1550         }
1551
1552         check_all_ports_link_status(enabled_port_mask);
1553
1554         ret = 0;
1555         /* launch per-lcore init on every lcore */
1556         rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MAIN);
1557         if (evt_rsrc->enabled) {
1558                 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++)
1559                         rte_event_eth_rx_adapter_stop(
1560                                         evt_rsrc->rx_adptr.rx_adptr[i]);
1561                 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++)
1562                         rte_event_eth_tx_adapter_stop(
1563                                         evt_rsrc->tx_adptr.tx_adptr[i]);
1564
1565                 RTE_ETH_FOREACH_DEV(portid) {
1566                         if ((enabled_port_mask & (1 << portid)) == 0)
1567                                 continue;
1568                         ret = rte_eth_dev_stop(portid);
1569                         if (ret != 0)
1570                                 printf("rte_eth_dev_stop: err=%d, port=%u\n",
1571                                        ret, portid);
1572                 }
1573
1574                 rte_eal_mp_wait_lcore();
1575                 RTE_ETH_FOREACH_DEV(portid) {
1576                         if ((enabled_port_mask & (1 << portid)) == 0)
1577                                 continue;
1578                         rte_eth_dev_close(portid);
1579                 }
1580
1581                 rte_event_dev_stop(evt_rsrc->event_d_id);
1582                 rte_event_dev_close(evt_rsrc->event_d_id);
1583
1584         } else {
1585                 rte_eal_mp_wait_lcore();
1586
1587                 RTE_ETH_FOREACH_DEV(portid) {
1588                         if ((enabled_port_mask & (1 << portid)) == 0)
1589                                 continue;
1590                         printf("Closing port %d...", portid);
1591                         ret = rte_eth_dev_stop(portid);
1592                         if (ret != 0)
1593                                 printf("rte_eth_dev_stop: err=%d, port=%u\n",
1594                                        ret, portid);
1595                         rte_eth_dev_close(portid);
1596                         printf(" Done\n");
1597                 }
1598         }
1599
1600         /* clean up config file routes */
1601         l3fwd_lkp.free_routes();
1602
1603         /* clean up the EAL */
1604         rte_eal_cleanup();
1605
1606         printf("Bye...\n");
1607
1608         return ret;
1609 }