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