4 * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <sys/types.h>
40 #include <sys/queue.h>
47 #include <rte_common.h>
49 #include <rte_byteorder.h>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
53 #include <rte_memzone.h>
55 #include <rte_per_lcore.h>
56 #include <rte_launch.h>
57 #include <rte_atomic.h>
58 #include <rte_cycles.h>
59 #include <rte_prefetch.h>
60 #include <rte_lcore.h>
61 #include <rte_per_lcore.h>
62 #include <rte_branch_prediction.h>
63 #include <rte_interrupts.h>
65 #include <rte_random.h>
66 #include <rte_debug.h>
67 #include <rte_ether.h>
68 #include <rte_ethdev.h>
70 #include <rte_mempool.h>
75 #include <rte_string_fns.h>
76 #include <rte_cpuflags.h>
78 #include <cmdline_parse.h>
79 #include <cmdline_parse_etheraddr.h>
84 * Configurable number of RX/TX ring descriptors
86 #define RTE_TEST_RX_DESC_DEFAULT 128
87 #define RTE_TEST_TX_DESC_DEFAULT 512
89 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
90 #define MAX_RX_QUEUE_PER_PORT 128
92 #define MAX_LCORE_PARAMS 1024
94 /* Static global variables used within this file. */
95 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
96 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
98 /**< Ports set in promiscuous mode off by default. */
99 static int promiscuous_on;
101 /* Select Longest-Prefix or Exact match. */
102 static int l3fwd_lpm_on;
103 static int l3fwd_em_on;
105 static int numa_on = 1; /**< NUMA is enabled by default. */
106 static int parse_ptype; /**< Parse packet type using rx callback, and */
107 /**< disabled by default */
109 /* Global variables. */
111 volatile bool force_quit;
113 /* ethernet addresses of ports */
114 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
115 struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
117 xmm_t val_eth[RTE_MAX_ETHPORTS];
119 /* mask of enabled ports */
120 uint32_t enabled_port_mask;
122 /* Used only in exact match mode. */
123 int ipv6; /**< ipv6 is false by default. */
124 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
126 struct lcore_conf lcore_conf[RTE_MAX_LCORE];
128 struct lcore_params {
132 } __rte_cache_aligned;
134 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
135 static struct lcore_params lcore_params_array_default[] = {
147 static struct lcore_params * lcore_params = lcore_params_array_default;
148 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
149 sizeof(lcore_params_array_default[0]);
151 static struct rte_eth_conf port_conf = {
153 .mq_mode = ETH_MQ_RX_RSS,
154 .max_rx_pkt_len = ETHER_MAX_LEN,
156 .header_split = 0, /**< Header Split disabled */
157 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
158 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
159 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
160 .hw_strip_crc = 0, /**< CRC stripped by hardware */
165 .rss_hf = ETH_RSS_IP,
169 .mq_mode = ETH_MQ_TX_NONE,
173 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
175 struct l3fwd_lkp_mode {
177 int (*check_ptype)(int);
178 rte_rx_callback_fn cb_parse_ptype;
179 int (*main_loop)(void *);
180 void* (*get_ipv4_lookup_struct)(int);
181 void* (*get_ipv6_lookup_struct)(int);
184 static struct l3fwd_lkp_mode l3fwd_lkp;
186 static struct l3fwd_lkp_mode l3fwd_em_lkp = {
188 .check_ptype = em_check_ptype,
189 .cb_parse_ptype = em_cb_parse_ptype,
190 .main_loop = em_main_loop,
191 .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct,
192 .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct,
195 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
197 .check_ptype = lpm_check_ptype,
198 .cb_parse_ptype = lpm_cb_parse_ptype,
199 .main_loop = lpm_main_loop,
200 .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
201 .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
205 * Setup lookup methods for forwarding.
206 * Currently exact-match and longest-prefix-match
207 * are supported ones.
210 setup_l3fwd_lookup_tables(void)
212 /* Setup HASH lookup functions. */
214 l3fwd_lkp = l3fwd_em_lkp;
215 /* Setup LPM lookup functions. */
217 l3fwd_lkp = l3fwd_lpm_lkp;
221 check_lcore_params(void)
223 uint8_t queue, lcore;
227 for (i = 0; i < nb_lcore_params; ++i) {
228 queue = lcore_params[i].queue_id;
229 if (queue >= MAX_RX_QUEUE_PER_PORT) {
230 printf("invalid queue number: %hhu\n", queue);
233 lcore = lcore_params[i].lcore_id;
234 if (!rte_lcore_is_enabled(lcore)) {
235 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
238 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
240 printf("warning: lcore %hhu is on socket %d with numa off \n",
248 check_port_config(const unsigned nb_ports)
253 for (i = 0; i < nb_lcore_params; ++i) {
254 portid = lcore_params[i].port_id;
255 if ((enabled_port_mask & (1 << portid)) == 0) {
256 printf("port %u is not enabled in port mask\n", portid);
259 if (portid >= nb_ports) {
260 printf("port %u is not present on the board\n", portid);
268 get_port_n_rx_queues(const uint8_t port)
273 for (i = 0; i < nb_lcore_params; ++i) {
274 if (lcore_params[i].port_id == port) {
275 if (lcore_params[i].queue_id == queue+1)
276 queue = lcore_params[i].queue_id;
278 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
279 " in sequence and must start with 0\n",
280 lcore_params[i].port_id);
283 return (uint8_t)(++queue);
287 init_lcore_rx_queues(void)
289 uint16_t i, nb_rx_queue;
292 for (i = 0; i < nb_lcore_params; ++i) {
293 lcore = lcore_params[i].lcore_id;
294 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
295 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
296 printf("error: too many queues (%u) for lcore: %u\n",
297 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
300 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
301 lcore_params[i].port_id;
302 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
303 lcore_params[i].queue_id;
304 lcore_conf[lcore].n_rx_queue++;
312 print_usage(const char *prgname)
314 printf("%s [EAL options] --"
319 " --config (port,queue,lcore)[,(port,queue,lcore)]"
320 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
321 " [--enable-jumbo [--max-pkt-len PKTLEN]]"
323 " [--hash-entry-num]"
325 " [--parse-ptype]\n\n"
327 " -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
328 " -P : Enable promiscuous mode\n"
329 " -E : Enable exact match\n"
330 " -L : Enable longest prefix match (default)\n"
331 " --config (port,queue,lcore): Rx queue configuration\n"
332 " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n"
333 " --enable-jumbo: Enable jumbo frames\n"
334 " --max-pkt-len: Under the premise of enabling jumbo,\n"
335 " maximum packet length in decimal (64-9600)\n"
336 " --no-numa: Disable numa awareness\n"
337 " --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n"
338 " --ipv6: Set if running ipv6 packets\n"
339 " --parse-ptype: Set to use software to analyze packet type\n\n",
344 parse_max_pkt_len(const char *pktlen)
349 /* parse decimal string */
350 len = strtoul(pktlen, &end, 10);
351 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
361 parse_portmask(const char *portmask)
366 /* parse hexadecimal string */
367 pm = strtoul(portmask, &end, 16);
368 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
378 parse_hash_entry_number(const char *hash_entry_num)
381 unsigned long hash_en;
382 /* parse hexadecimal string */
383 hash_en = strtoul(hash_entry_num, &end, 16);
384 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
394 parse_config(const char *q_arg)
397 const char *p, *p0 = q_arg;
405 unsigned long int_fld[_NUM_FLD];
406 char *str_fld[_NUM_FLD];
412 while ((p = strchr(p0,'(')) != NULL) {
414 if((p0 = strchr(p,')')) == NULL)
418 if(size >= sizeof(s))
421 snprintf(s, sizeof(s), "%.*s", size, p);
422 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
424 for (i = 0; i < _NUM_FLD; i++){
426 int_fld[i] = strtoul(str_fld[i], &end, 0);
427 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
430 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
431 printf("exceeded max number of lcore params: %hu\n",
435 lcore_params_array[nb_lcore_params].port_id =
436 (uint8_t)int_fld[FLD_PORT];
437 lcore_params_array[nb_lcore_params].queue_id =
438 (uint8_t)int_fld[FLD_QUEUE];
439 lcore_params_array[nb_lcore_params].lcore_id =
440 (uint8_t)int_fld[FLD_LCORE];
443 lcore_params = lcore_params_array;
448 parse_eth_dest(const char *optarg)
452 uint8_t c, *dest, peer_addr[6];
455 portid = strtoul(optarg, &port_end, 10);
456 if (errno != 0 || port_end == optarg || *port_end++ != ',')
457 rte_exit(EXIT_FAILURE,
458 "Invalid eth-dest: %s", optarg);
459 if (portid >= RTE_MAX_ETHPORTS)
460 rte_exit(EXIT_FAILURE,
461 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
462 portid, RTE_MAX_ETHPORTS);
464 if (cmdline_parse_etheraddr(NULL, port_end,
465 &peer_addr, sizeof(peer_addr)) < 0)
466 rte_exit(EXIT_FAILURE,
467 "Invalid ethernet address: %s\n",
469 dest = (uint8_t *)&dest_eth_addr[portid];
470 for (c = 0; c < 6; c++)
471 dest[c] = peer_addr[c];
472 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
475 #define MAX_JUMBO_PKT_LEN 9600
476 #define MEMPOOL_CACHE_SIZE 256
478 #define CMD_LINE_OPT_CONFIG "config"
479 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
480 #define CMD_LINE_OPT_NO_NUMA "no-numa"
481 #define CMD_LINE_OPT_IPV6 "ipv6"
482 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
483 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
484 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
487 * This expression is used to calculate the number of mbufs needed
488 * depending on user input, taking into account memory for rx and
489 * tx hardware rings, cache per lcore and mtable per port per lcore.
490 * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
493 #define NB_MBUF RTE_MAX( \
494 (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
495 nb_ports*nb_lcores*MAX_PKT_BURST + \
496 nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
497 nb_lcores*MEMPOOL_CACHE_SIZE), \
500 /* Parse the argument given in the command line of the application */
502 parse_args(int argc, char **argv)
507 char *prgname = argv[0];
508 static struct option lgopts[] = {
509 {CMD_LINE_OPT_CONFIG, 1, 0, 0},
510 {CMD_LINE_OPT_ETH_DEST, 1, 0, 0},
511 {CMD_LINE_OPT_NO_NUMA, 0, 0, 0},
512 {CMD_LINE_OPT_IPV6, 0, 0, 0},
513 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0},
514 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0},
515 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
521 /* Error or normal output strings. */
522 const char *str1 = "L3FWD: Invalid portmask";
523 const char *str2 = "L3FWD: Promiscuous mode selected";
524 const char *str3 = "L3FWD: Exact match selected";
525 const char *str4 = "L3FWD: Longest-prefix match selected";
526 const char *str5 = "L3FWD: Invalid config";
527 const char *str6 = "L3FWD: NUMA is disabled";
528 const char *str7 = "L3FWD: IPV6 is specified";
530 "L3FWD: Jumbo frame is enabled - disabling simple TX path";
531 const char *str9 = "L3FWD: Invalid packet length";
532 const char *str10 = "L3FWD: Set jumbo frame max packet len to ";
533 const char *str11 = "L3FWD: Invalid hash entry number";
535 "L3FWD: LPM and EM are mutually exclusive, select only one";
536 const char *str13 = "L3FWD: LPM or EM none selected, default LPM on";
538 while ((opt = getopt_long(argc, argvopt, "p:PLE",
539 lgopts, &option_index)) != EOF) {
544 enabled_port_mask = parse_portmask(optarg);
545 if (enabled_port_mask == 0) {
546 printf("%s\n", str1);
547 print_usage(prgname);
552 printf("%s\n", str2);
557 printf("%s\n", str3);
562 printf("%s\n", str4);
568 if (!strncmp(lgopts[option_index].name,
570 sizeof(CMD_LINE_OPT_CONFIG))) {
572 ret = parse_config(optarg);
574 printf("%s\n", str5);
575 print_usage(prgname);
580 if (!strncmp(lgopts[option_index].name,
581 CMD_LINE_OPT_ETH_DEST,
582 sizeof(CMD_LINE_OPT_ETH_DEST))) {
583 parse_eth_dest(optarg);
586 if (!strncmp(lgopts[option_index].name,
587 CMD_LINE_OPT_NO_NUMA,
588 sizeof(CMD_LINE_OPT_NO_NUMA))) {
589 printf("%s\n", str6);
593 if (!strncmp(lgopts[option_index].name,
595 sizeof(CMD_LINE_OPT_IPV6))) {
600 if (!strncmp(lgopts[option_index].name,
601 CMD_LINE_OPT_ENABLE_JUMBO,
602 sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) {
603 struct option lenopts = {
604 "max-pkt-len", required_argument, 0, 0
607 printf("%s\n", str8);
608 port_conf.rxmode.jumbo_frame = 1;
611 * if no max-pkt-len set, use the default
612 * value ETHER_MAX_LEN.
614 if (0 == getopt_long(argc, argvopt, "",
615 &lenopts, &option_index)) {
616 ret = parse_max_pkt_len(optarg);
618 (ret > MAX_JUMBO_PKT_LEN)) {
619 printf("%s\n", str9);
620 print_usage(prgname);
623 port_conf.rxmode.max_rx_pkt_len = ret;
625 printf("%s %u\n", str10,
626 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
629 if (!strncmp(lgopts[option_index].name,
630 CMD_LINE_OPT_HASH_ENTRY_NUM,
631 sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) {
633 ret = parse_hash_entry_number(optarg);
634 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
635 hash_entry_number = ret;
637 printf("%s\n", str11);
638 print_usage(prgname);
643 if (!strncmp(lgopts[option_index].name,
644 CMD_LINE_OPT_PARSE_PTYPE,
645 sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
646 printf("soft parse-ptype is enabled\n");
653 print_usage(prgname);
658 /* If both LPM and EM are selected, return error. */
659 if (l3fwd_lpm_on && l3fwd_em_on) {
660 printf("%s\n", str12);
665 * Nothing is selected, pick longest-prefix match
668 if (!l3fwd_lpm_on && !l3fwd_em_on) {
670 printf("%s\n", str13);
674 * ipv6 and hash flags are valid only for
675 * exact macth, reset them to default for
676 * longest-prefix match.
680 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
684 argv[optind-1] = prgname;
687 optind = 0; /* reset getopt lib */
692 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
694 char buf[ETHER_ADDR_FMT_SIZE];
695 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
696 printf("%s%s", name, buf);
700 init_mem(unsigned nb_mbuf)
702 struct lcore_conf *qconf;
707 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
708 if (rte_lcore_is_enabled(lcore_id) == 0)
712 socketid = rte_lcore_to_socket_id(lcore_id);
716 if (socketid >= NB_SOCKETS) {
717 rte_exit(EXIT_FAILURE,
718 "Socket %d of lcore %u is out of range %d\n",
719 socketid, lcore_id, NB_SOCKETS);
722 if (pktmbuf_pool[socketid] == NULL) {
723 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
724 pktmbuf_pool[socketid] =
725 rte_pktmbuf_pool_create(s, nb_mbuf,
726 MEMPOOL_CACHE_SIZE, 0,
727 RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
728 if (pktmbuf_pool[socketid] == NULL)
729 rte_exit(EXIT_FAILURE,
730 "Cannot init mbuf pool on socket %d\n",
733 printf("Allocated mbuf pool on socket %d\n",
736 /* Setup either LPM or EM(f.e Hash). */
737 l3fwd_lkp.setup(socketid);
739 qconf = &lcore_conf[lcore_id];
740 qconf->ipv4_lookup_struct =
741 l3fwd_lkp.get_ipv4_lookup_struct(socketid);
742 qconf->ipv6_lookup_struct =
743 l3fwd_lkp.get_ipv6_lookup_struct(socketid);
748 /* Check the link status of all ports in up to 9s, and print them finally */
750 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
752 #define CHECK_INTERVAL 100 /* 100ms */
753 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
754 uint8_t portid, count, all_ports_up, print_flag = 0;
755 struct rte_eth_link link;
757 printf("\nChecking link status");
759 for (count = 0; count <= MAX_CHECK_TIME; count++) {
763 for (portid = 0; portid < port_num; portid++) {
766 if ((port_mask & (1 << portid)) == 0)
768 memset(&link, 0, sizeof(link));
769 rte_eth_link_get_nowait(portid, &link);
770 /* print link status if flag set */
771 if (print_flag == 1) {
772 if (link.link_status)
773 printf("Port %d Link Up - speed %u "
774 "Mbps - %s\n", (uint8_t)portid,
775 (unsigned)link.link_speed,
776 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
777 ("full-duplex") : ("half-duplex\n"));
779 printf("Port %d Link Down\n",
783 /* clear all_ports_up flag if any link down */
784 if (link.link_status == ETH_LINK_DOWN) {
789 /* after finally printing all link status, get out */
793 if (all_ports_up == 0) {
796 rte_delay_ms(CHECK_INTERVAL);
799 /* set the print_flag if all ports up or timeout */
800 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
808 signal_handler(int signum)
810 if (signum == SIGINT || signum == SIGTERM) {
811 printf("\n\nSignal %d received, preparing to exit...\n",
818 prepare_ptype_parser(uint8_t portid, uint16_t queueid)
821 printf("Port %d: softly parse packet type info\n", portid);
822 if (rte_eth_add_rx_callback(portid, queueid,
823 l3fwd_lkp.cb_parse_ptype,
827 printf("Failed to add rx callback: port=%d\n", portid);
831 if (l3fwd_lkp.check_ptype(portid))
834 printf("port %d cannot parse packet type, please add --%s\n",
835 portid, CMD_LINE_OPT_PARSE_PTYPE);
840 main(int argc, char **argv)
842 struct lcore_conf *qconf;
843 struct rte_eth_dev_info dev_info;
844 struct rte_eth_txconf *txconf;
849 uint32_t n_tx_queue, nb_lcores;
850 uint8_t portid, nb_rx_queue, queue, socketid;
853 ret = rte_eal_init(argc, argv);
855 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
860 signal(SIGINT, signal_handler);
861 signal(SIGTERM, signal_handler);
863 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
864 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
865 dest_eth_addr[portid] =
866 ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
867 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
870 /* parse application arguments (after the EAL ones) */
871 ret = parse_args(argc, argv);
873 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
875 if (check_lcore_params() < 0)
876 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
878 ret = init_lcore_rx_queues();
880 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
882 nb_ports = rte_eth_dev_count();
884 if (check_port_config(nb_ports) < 0)
885 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
887 nb_lcores = rte_lcore_count();
889 /* Setup function pointers for lookup method. */
890 setup_l3fwd_lookup_tables();
892 /* initialize all ports */
893 for (portid = 0; portid < nb_ports; portid++) {
894 /* skip ports that are not enabled */
895 if ((enabled_port_mask & (1 << portid)) == 0) {
896 printf("\nSkipping disabled port %d\n", portid);
901 printf("Initializing port %d ... ", portid );
904 nb_rx_queue = get_port_n_rx_queues(portid);
905 n_tx_queue = nb_lcores;
906 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
907 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
908 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
909 nb_rx_queue, (unsigned)n_tx_queue );
910 ret = rte_eth_dev_configure(portid, nb_rx_queue,
911 (uint16_t)n_tx_queue, &port_conf);
913 rte_exit(EXIT_FAILURE,
914 "Cannot configure device: err=%d, port=%d\n",
917 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
918 print_ethaddr(" Address:", &ports_eth_addr[portid]);
920 print_ethaddr("Destination:",
921 (const struct ether_addr *)&dest_eth_addr[portid]);
925 * prepare src MACs for each port.
927 ether_addr_copy(&ports_eth_addr[portid],
928 (struct ether_addr *)(val_eth + portid) + 1);
931 ret = init_mem(NB_MBUF);
933 rte_exit(EXIT_FAILURE, "init_mem failed\n");
935 /* init one TX queue per couple (lcore,port) */
937 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
938 if (rte_lcore_is_enabled(lcore_id) == 0)
943 (uint8_t)rte_lcore_to_socket_id(lcore_id);
947 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
950 rte_eth_dev_info_get(portid, &dev_info);
951 txconf = &dev_info.default_txconf;
952 if (port_conf.rxmode.jumbo_frame)
953 txconf->txq_flags = 0;
954 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
957 rte_exit(EXIT_FAILURE,
958 "rte_eth_tx_queue_setup: err=%d, "
959 "port=%d\n", ret, portid);
961 qconf = &lcore_conf[lcore_id];
962 qconf->tx_queue_id[portid] = queueid;
965 qconf->tx_port_id[qconf->n_tx_port] = portid;
971 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
972 if (rte_lcore_is_enabled(lcore_id) == 0)
974 qconf = &lcore_conf[lcore_id];
975 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
978 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
979 portid = qconf->rx_queue_list[queue].port_id;
980 queueid = qconf->rx_queue_list[queue].queue_id;
984 (uint8_t)rte_lcore_to_socket_id(lcore_id);
988 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
991 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
994 pktmbuf_pool[socketid]);
996 rte_exit(EXIT_FAILURE,
997 "rte_eth_rx_queue_setup: err=%d, port=%d\n",
1005 for (portid = 0; portid < nb_ports; portid++) {
1006 if ((enabled_port_mask & (1 << portid)) == 0) {
1010 ret = rte_eth_dev_start(portid);
1012 rte_exit(EXIT_FAILURE,
1013 "rte_eth_dev_start: err=%d, port=%d\n",
1017 * If enabled, put device in promiscuous mode.
1018 * This allows IO forwarding mode to forward packets
1019 * to itself through 2 cross-connected ports of the
1023 rte_eth_promiscuous_enable(portid);
1028 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1029 if (rte_lcore_is_enabled(lcore_id) == 0)
1031 qconf = &lcore_conf[lcore_id];
1032 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
1033 portid = qconf->rx_queue_list[queue].port_id;
1034 queueid = qconf->rx_queue_list[queue].queue_id;
1035 if (prepare_ptype_parser(portid, queueid) == 0)
1036 rte_exit(EXIT_FAILURE, "ptype check fails\n");
1041 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
1044 /* launch per-lcore init on every lcore */
1045 rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER);
1046 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1047 if (rte_eal_wait_lcore(lcore_id) < 0) {
1054 for (portid = 0; portid < nb_ports; portid++) {
1055 if ((enabled_port_mask & (1 << portid)) == 0)
1057 printf("Closing port %d...", portid);
1058 rte_eth_dev_stop(portid);
1059 rte_eth_dev_close(portid);