1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
10 #include <sys/types.h>
11 #include <sys/queue.h>
20 #include <rte_common.h>
22 #include <rte_malloc.h>
23 #include <rte_memory.h>
24 #include <rte_memcpy.h>
26 #include <rte_launch.h>
27 #include <rte_atomic.h>
28 #include <rte_cycles.h>
29 #include <rte_prefetch.h>
30 #include <rte_lcore.h>
31 #include <rte_per_lcore.h>
32 #include <rte_branch_prediction.h>
33 #include <rte_interrupts.h>
34 #include <rte_random.h>
35 #include <rte_debug.h>
36 #include <rte_ether.h>
37 #include <rte_ethdev.h>
38 #include <rte_mempool.h>
40 #include <rte_string_fns.h>
42 static volatile bool force_quit;
44 /* MAC updating enabled by default */
45 static int mac_updating = 1;
47 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
49 #define MAX_PKT_BURST 32
50 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
51 #define MEMPOOL_CACHE_SIZE 256
54 * Configurable number of RX/TX ring descriptors
56 #define RTE_TEST_RX_DESC_DEFAULT 1024
57 #define RTE_TEST_TX_DESC_DEFAULT 1024
58 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
59 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
61 /* ethernet addresses of ports */
62 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
64 /* mask of enabled ports */
65 static uint32_t l2fwd_enabled_port_mask = 0;
67 /* list of enabled ports */
68 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
70 struct port_pair_params {
72 uint16_t port[NUM_PORTS];
73 } __rte_cache_aligned;
75 static struct port_pair_params port_pair_params_array[RTE_MAX_ETHPORTS / 2];
76 static struct port_pair_params *port_pair_params;
77 static uint16_t nb_port_pair_params;
79 static unsigned int l2fwd_rx_queue_per_lcore = 1;
81 #define MAX_RX_QUEUE_PER_LCORE 16
82 #define MAX_TX_QUEUE_PER_PORT 16
83 struct lcore_queue_conf {
85 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
86 } __rte_cache_aligned;
87 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
89 static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
91 static struct rte_eth_conf port_conf = {
96 .mq_mode = ETH_MQ_TX_NONE,
100 struct rte_mempool * l2fwd_pktmbuf_pool = NULL;
102 /* Per-port statistics struct */
103 struct l2fwd_port_statistics {
107 } __rte_cache_aligned;
108 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
110 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
111 /* A tsc-based timer responsible for triggering statistics printout */
112 static uint64_t timer_period = 10; /* default period is 10 seconds */
114 /* Print out statistics on packets dropped */
118 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
121 total_packets_dropped = 0;
122 total_packets_tx = 0;
123 total_packets_rx = 0;
125 const char clr[] = { 27, '[', '2', 'J', '\0' };
126 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
128 /* Clear screen and move to top left */
129 printf("%s%s", clr, topLeft);
131 printf("\nPort statistics ====================================");
133 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
134 /* skip disabled ports */
135 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
137 printf("\nStatistics for port %u ------------------------------"
138 "\nPackets sent: %24"PRIu64
139 "\nPackets received: %20"PRIu64
140 "\nPackets dropped: %21"PRIu64,
142 port_statistics[portid].tx,
143 port_statistics[portid].rx,
144 port_statistics[portid].dropped);
146 total_packets_dropped += port_statistics[portid].dropped;
147 total_packets_tx += port_statistics[portid].tx;
148 total_packets_rx += port_statistics[portid].rx;
150 printf("\nAggregate statistics ==============================="
151 "\nTotal packets sent: %18"PRIu64
152 "\nTotal packets received: %14"PRIu64
153 "\nTotal packets dropped: %15"PRIu64,
156 total_packets_dropped);
157 printf("\n====================================================\n");
163 l2fwd_mac_updating(struct rte_mbuf *m, unsigned dest_portid)
165 struct rte_ether_hdr *eth;
168 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
170 /* 02:00:00:00:00:xx */
171 tmp = ð->d_addr.addr_bytes[0];
172 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
175 rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->s_addr);
179 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
183 struct rte_eth_dev_tx_buffer *buffer;
185 dst_port = l2fwd_dst_ports[portid];
188 l2fwd_mac_updating(m, dst_port);
190 buffer = tx_buffer[dst_port];
191 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
193 port_statistics[dst_port].tx += sent;
196 /* main processing loop */
198 l2fwd_main_loop(void)
200 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
204 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
205 unsigned i, j, portid, nb_rx;
206 struct lcore_queue_conf *qconf;
207 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
209 struct rte_eth_dev_tx_buffer *buffer;
214 lcore_id = rte_lcore_id();
215 qconf = &lcore_queue_conf[lcore_id];
217 if (qconf->n_rx_port == 0) {
218 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
222 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
224 for (i = 0; i < qconf->n_rx_port; i++) {
226 portid = qconf->rx_port_list[i];
227 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
232 while (!force_quit) {
234 cur_tsc = rte_rdtsc();
237 * TX burst queue drain
239 diff_tsc = cur_tsc - prev_tsc;
240 if (unlikely(diff_tsc > drain_tsc)) {
242 for (i = 0; i < qconf->n_rx_port; i++) {
244 portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
245 buffer = tx_buffer[portid];
247 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
249 port_statistics[portid].tx += sent;
253 /* if timer is enabled */
254 if (timer_period > 0) {
256 /* advance the timer */
257 timer_tsc += diff_tsc;
259 /* if timer has reached its timeout */
260 if (unlikely(timer_tsc >= timer_period)) {
262 /* do this only on main core */
263 if (lcore_id == rte_get_main_lcore()) {
265 /* reset the timer */
275 * Read packet from RX queues
277 for (i = 0; i < qconf->n_rx_port; i++) {
279 portid = qconf->rx_port_list[i];
280 nb_rx = rte_eth_rx_burst(portid, 0,
281 pkts_burst, MAX_PKT_BURST);
283 port_statistics[portid].rx += nb_rx;
285 for (j = 0; j < nb_rx; j++) {
287 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
288 l2fwd_simple_forward(m, portid);
295 l2fwd_launch_one_lcore(__rte_unused void *dummy)
303 l2fwd_usage(const char *prgname)
305 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
306 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
307 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
308 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
309 " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
311 " - The source MAC address is replaced by the TX port MAC address\n"
312 " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n"
313 " --portmap: Configure forwarding port pair mapping\n"
314 " Default: alternate port pairs\n\n",
319 l2fwd_parse_portmask(const char *portmask)
324 /* parse hexadecimal string */
325 pm = strtoul(portmask, &end, 16);
326 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
333 l2fwd_parse_port_pair_config(const char *q_arg)
340 unsigned long int_fld[_NUM_FLD];
341 const char *p, *p0 = q_arg;
342 char *str_fld[_NUM_FLD];
348 nb_port_pair_params = 0;
350 while ((p = strchr(p0, '(')) != NULL) {
357 if (size >= sizeof(s))
362 if (rte_strsplit(s, sizeof(s), str_fld,
363 _NUM_FLD, ',') != _NUM_FLD)
365 for (i = 0; i < _NUM_FLD; i++) {
367 int_fld[i] = strtoul(str_fld[i], &end, 0);
368 if (errno != 0 || end == str_fld[i] ||
369 int_fld[i] >= RTE_MAX_ETHPORTS)
372 if (nb_port_pair_params >= RTE_MAX_ETHPORTS/2) {
373 printf("exceeded max number of port pair params: %hu\n",
374 nb_port_pair_params);
377 port_pair_params_array[nb_port_pair_params].port[0] =
378 (uint16_t)int_fld[FLD_PORT1];
379 port_pair_params_array[nb_port_pair_params].port[1] =
380 (uint16_t)int_fld[FLD_PORT2];
381 ++nb_port_pair_params;
383 port_pair_params = port_pair_params_array;
388 l2fwd_parse_nqueue(const char *q_arg)
393 /* parse hexadecimal string */
394 n = strtoul(q_arg, &end, 10);
395 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
399 if (n >= MAX_RX_QUEUE_PER_LCORE)
406 l2fwd_parse_timer_period(const char *q_arg)
411 /* parse number string */
412 n = strtol(q_arg, &end, 10);
413 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
415 if (n >= MAX_TIMER_PERIOD)
421 static const char short_options[] =
423 "q:" /* number of queues */
424 "T:" /* timer period */
427 #define CMD_LINE_OPT_MAC_UPDATING "mac-updating"
428 #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating"
429 #define CMD_LINE_OPT_PORTMAP_CONFIG "portmap"
432 /* long options mapped to a short option */
434 /* first long only option value must be >= 256, so that we won't
435 * conflict with short options */
436 CMD_LINE_OPT_MIN_NUM = 256,
437 CMD_LINE_OPT_PORTMAP_NUM,
440 static const struct option lgopts[] = {
441 { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1},
442 { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0},
443 { CMD_LINE_OPT_PORTMAP_CONFIG, 1, 0, CMD_LINE_OPT_PORTMAP_NUM},
447 /* Parse the argument given in the command line of the application */
449 l2fwd_parse_args(int argc, char **argv)
451 int opt, ret, timer_secs;
454 char *prgname = argv[0];
457 port_pair_params = NULL;
459 while ((opt = getopt_long(argc, argvopt, short_options,
460 lgopts, &option_index)) != EOF) {
465 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
466 if (l2fwd_enabled_port_mask == 0) {
467 printf("invalid portmask\n");
468 l2fwd_usage(prgname);
475 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
476 if (l2fwd_rx_queue_per_lcore == 0) {
477 printf("invalid queue number\n");
478 l2fwd_usage(prgname);
485 timer_secs = l2fwd_parse_timer_period(optarg);
486 if (timer_secs < 0) {
487 printf("invalid timer period\n");
488 l2fwd_usage(prgname);
491 timer_period = timer_secs;
495 case CMD_LINE_OPT_PORTMAP_NUM:
496 ret = l2fwd_parse_port_pair_config(optarg);
498 fprintf(stderr, "Invalid config\n");
499 l2fwd_usage(prgname);
505 l2fwd_usage(prgname);
511 argv[optind-1] = prgname;
514 optind = 1; /* reset getopt lib */
519 * Check port pair config with enabled port mask,
520 * and for valid port pair combinations.
523 check_port_pair_config(void)
525 uint32_t port_pair_config_mask = 0;
526 uint32_t port_pair_mask = 0;
527 uint16_t index, i, portid;
529 for (index = 0; index < nb_port_pair_params; index++) {
532 for (i = 0; i < NUM_PORTS; i++) {
533 portid = port_pair_params[index].port[i];
534 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
535 printf("port %u is not enabled in port mask\n",
539 if (!rte_eth_dev_is_valid_port(portid)) {
540 printf("port %u is not present on the board\n",
545 port_pair_mask |= 1 << portid;
548 if (port_pair_config_mask & port_pair_mask) {
549 printf("port %u is used in other port pairs\n", portid);
552 port_pair_config_mask |= port_pair_mask;
555 l2fwd_enabled_port_mask &= port_pair_config_mask;
560 /* Check the link status of all ports in up to 9s, and print them finally */
562 check_all_ports_link_status(uint32_t port_mask)
564 #define CHECK_INTERVAL 100 /* 100ms */
565 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
567 uint8_t count, all_ports_up, print_flag = 0;
568 struct rte_eth_link link;
570 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
572 printf("\nChecking link status");
574 for (count = 0; count <= MAX_CHECK_TIME; count++) {
578 RTE_ETH_FOREACH_DEV(portid) {
581 if ((port_mask & (1 << portid)) == 0)
583 memset(&link, 0, sizeof(link));
584 ret = rte_eth_link_get_nowait(portid, &link);
588 printf("Port %u link get failed: %s\n",
589 portid, rte_strerror(-ret));
592 /* print link status if flag set */
593 if (print_flag == 1) {
594 rte_eth_link_to_str(link_status_text,
595 sizeof(link_status_text), &link);
596 printf("Port %d %s\n", portid,
600 /* clear all_ports_up flag if any link down */
601 if (link.link_status == ETH_LINK_DOWN) {
606 /* after finally printing all link status, get out */
610 if (all_ports_up == 0) {
613 rte_delay_ms(CHECK_INTERVAL);
616 /* set the print_flag if all ports up or timeout */
617 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
625 signal_handler(int signum)
627 if (signum == SIGINT || signum == SIGTERM) {
628 printf("\n\nSignal %d received, preparing to exit...\n",
635 main(int argc, char **argv)
637 struct lcore_queue_conf *qconf;
640 uint16_t nb_ports_available = 0;
641 uint16_t portid, last_port;
642 unsigned lcore_id, rx_lcore_id;
643 unsigned nb_ports_in_mask = 0;
644 unsigned int nb_lcores = 0;
645 unsigned int nb_mbufs;
648 ret = rte_eal_init(argc, argv);
650 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
655 signal(SIGINT, signal_handler);
656 signal(SIGTERM, signal_handler);
658 /* parse application arguments (after the EAL ones) */
659 ret = l2fwd_parse_args(argc, argv);
661 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
663 printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled");
665 /* convert to number of cycles */
666 timer_period *= rte_get_timer_hz();
668 nb_ports = rte_eth_dev_count_avail();
670 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
672 if (port_pair_params != NULL) {
673 if (check_port_pair_config() < 0)
674 rte_exit(EXIT_FAILURE, "Invalid port pair config\n");
677 /* check port mask to possible port mask */
678 if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1))
679 rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n",
680 (1 << nb_ports) - 1);
682 /* reset l2fwd_dst_ports */
683 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
684 l2fwd_dst_ports[portid] = 0;
687 /* populate destination port details */
688 if (port_pair_params != NULL) {
691 for (idx = 0; idx < (nb_port_pair_params << 1); idx++) {
693 portid = port_pair_params[idx >> 1].port[p];
694 l2fwd_dst_ports[portid] =
695 port_pair_params[idx >> 1].port[p ^ 1];
698 RTE_ETH_FOREACH_DEV(portid) {
699 /* skip ports that are not enabled */
700 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
703 if (nb_ports_in_mask % 2) {
704 l2fwd_dst_ports[portid] = last_port;
705 l2fwd_dst_ports[last_port] = portid;
712 if (nb_ports_in_mask % 2) {
713 printf("Notice: odd number of ports in portmask.\n");
714 l2fwd_dst_ports[last_port] = last_port;
721 /* Initialize the port/queue configuration of each logical core */
722 RTE_ETH_FOREACH_DEV(portid) {
723 /* skip ports that are not enabled */
724 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
727 /* get the lcore_id for this port */
728 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
729 lcore_queue_conf[rx_lcore_id].n_rx_port ==
730 l2fwd_rx_queue_per_lcore) {
732 if (rx_lcore_id >= RTE_MAX_LCORE)
733 rte_exit(EXIT_FAILURE, "Not enough cores\n");
736 if (qconf != &lcore_queue_conf[rx_lcore_id]) {
737 /* Assigned a new logical core in the loop above. */
738 qconf = &lcore_queue_conf[rx_lcore_id];
742 qconf->rx_port_list[qconf->n_rx_port] = portid;
744 printf("Lcore %u: RX port %u TX port %u\n", rx_lcore_id,
745 portid, l2fwd_dst_ports[portid]);
748 nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST +
749 nb_lcores * MEMPOOL_CACHE_SIZE), 8192U);
751 /* create the mbuf pool */
752 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs,
753 MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
755 if (l2fwd_pktmbuf_pool == NULL)
756 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
758 /* Initialise each port */
759 RTE_ETH_FOREACH_DEV(portid) {
760 struct rte_eth_rxconf rxq_conf;
761 struct rte_eth_txconf txq_conf;
762 struct rte_eth_conf local_port_conf = port_conf;
763 struct rte_eth_dev_info dev_info;
765 /* skip ports that are not enabled */
766 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
767 printf("Skipping disabled port %u\n", portid);
770 nb_ports_available++;
773 printf("Initializing port %u... ", portid);
776 ret = rte_eth_dev_info_get(portid, &dev_info);
778 rte_exit(EXIT_FAILURE,
779 "Error during getting device (port %u) info: %s\n",
780 portid, strerror(-ret));
782 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
783 local_port_conf.txmode.offloads |=
784 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
785 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
787 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
790 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
793 rte_exit(EXIT_FAILURE,
794 "Cannot adjust number of descriptors: err=%d, port=%u\n",
797 ret = rte_eth_macaddr_get(portid,
798 &l2fwd_ports_eth_addr[portid]);
800 rte_exit(EXIT_FAILURE,
801 "Cannot get MAC address: err=%d, port=%u\n",
804 /* init one RX queue */
806 rxq_conf = dev_info.default_rxconf;
807 rxq_conf.offloads = local_port_conf.rxmode.offloads;
808 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
809 rte_eth_dev_socket_id(portid),
813 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
816 /* init one TX queue on each port */
818 txq_conf = dev_info.default_txconf;
819 txq_conf.offloads = local_port_conf.txmode.offloads;
820 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
821 rte_eth_dev_socket_id(portid),
824 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
827 /* Initialize TX buffers */
828 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
829 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
830 rte_eth_dev_socket_id(portid));
831 if (tx_buffer[portid] == NULL)
832 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
835 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
837 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
838 rte_eth_tx_buffer_count_callback,
839 &port_statistics[portid].dropped);
841 rte_exit(EXIT_FAILURE,
842 "Cannot set error callback for tx buffer on port %u\n",
845 ret = rte_eth_dev_set_ptypes(portid, RTE_PTYPE_UNKNOWN, NULL,
848 printf("Port %u, Failed to disable Ptype parsing\n",
851 ret = rte_eth_dev_start(portid);
853 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
858 ret = rte_eth_promiscuous_enable(portid);
860 rte_exit(EXIT_FAILURE,
861 "rte_eth_promiscuous_enable:err=%s, port=%u\n",
862 rte_strerror(-ret), portid);
864 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
866 l2fwd_ports_eth_addr[portid].addr_bytes[0],
867 l2fwd_ports_eth_addr[portid].addr_bytes[1],
868 l2fwd_ports_eth_addr[portid].addr_bytes[2],
869 l2fwd_ports_eth_addr[portid].addr_bytes[3],
870 l2fwd_ports_eth_addr[portid].addr_bytes[4],
871 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
873 /* initialize port stats */
874 memset(&port_statistics, 0, sizeof(port_statistics));
877 if (!nb_ports_available) {
878 rte_exit(EXIT_FAILURE,
879 "All available ports are disabled. Please set portmask.\n");
882 check_all_ports_link_status(l2fwd_enabled_port_mask);
885 /* launch per-lcore init on every lcore */
886 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MAIN);
887 RTE_LCORE_FOREACH_WORKER(lcore_id) {
888 if (rte_eal_wait_lcore(lcore_id) < 0) {
894 RTE_ETH_FOREACH_DEV(portid) {
895 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
897 printf("Closing port %d...", portid);
898 ret = rte_eth_dev_stop(portid);
900 printf("rte_eth_dev_stop: err=%d, port=%d\n",
902 rte_eth_dev_close(portid);