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_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_ethdev.h>
37 #include <rte_mempool.h>
39 #include <rte_string_fns.h>
41 static volatile bool force_quit;
43 /* MAC updating enabled by default */
44 static int mac_updating = 1;
46 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
48 #define MAX_PKT_BURST 32
49 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
50 #define MEMPOOL_CACHE_SIZE 256
53 * Configurable number of RX/TX ring descriptors
55 #define RTE_TEST_RX_DESC_DEFAULT 1024
56 #define RTE_TEST_TX_DESC_DEFAULT 1024
57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
60 /* ethernet addresses of ports */
61 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
63 /* mask of enabled ports */
64 static uint32_t l2fwd_enabled_port_mask = 0;
66 /* list of enabled ports */
67 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
69 struct port_pair_params {
71 uint16_t port[NUM_PORTS];
72 } __rte_cache_aligned;
74 static struct port_pair_params port_pair_params_array[RTE_MAX_ETHPORTS / 2];
75 static struct port_pair_params *port_pair_params;
76 static uint16_t nb_port_pair_params;
78 static unsigned int l2fwd_rx_queue_per_lcore = 1;
80 #define MAX_RX_QUEUE_PER_LCORE 16
81 #define MAX_TX_QUEUE_PER_PORT 16
82 /* List of queues to be polled for a given lcore. 8< */
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];
88 /* >8 End of list of queues to be polled for a given lcore. */
90 static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
92 static struct rte_eth_conf port_conf = {
97 .mq_mode = ETH_MQ_TX_NONE,
101 struct rte_mempool * l2fwd_pktmbuf_pool = NULL;
103 /* Per-port statistics struct */
104 struct l2fwd_port_statistics {
108 } __rte_cache_aligned;
109 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
111 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
112 /* A tsc-based timer responsible for triggering statistics printout */
113 static uint64_t timer_period = 10; /* default period is 10 seconds */
115 /* Print out statistics on packets dropped */
119 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
122 total_packets_dropped = 0;
123 total_packets_tx = 0;
124 total_packets_rx = 0;
126 const char clr[] = { 27, '[', '2', 'J', '\0' };
127 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
129 /* Clear screen and move to top left */
130 printf("%s%s", clr, topLeft);
132 printf("\nPort statistics ====================================");
134 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
135 /* skip disabled ports */
136 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
138 printf("\nStatistics for port %u ------------------------------"
139 "\nPackets sent: %24"PRIu64
140 "\nPackets received: %20"PRIu64
141 "\nPackets dropped: %21"PRIu64,
143 port_statistics[portid].tx,
144 port_statistics[portid].rx,
145 port_statistics[portid].dropped);
147 total_packets_dropped += port_statistics[portid].dropped;
148 total_packets_tx += port_statistics[portid].tx;
149 total_packets_rx += port_statistics[portid].rx;
151 printf("\nAggregate statistics ==============================="
152 "\nTotal packets sent: %18"PRIu64
153 "\nTotal packets received: %14"PRIu64
154 "\nTotal packets dropped: %15"PRIu64,
157 total_packets_dropped);
158 printf("\n====================================================\n");
164 l2fwd_mac_updating(struct rte_mbuf *m, unsigned dest_portid)
166 struct rte_ether_hdr *eth;
169 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
171 /* 02:00:00:00:00:xx */
172 tmp = ð->dst_addr.addr_bytes[0];
173 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
176 rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->src_addr);
179 /* Simple forward. 8< */
181 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
185 struct rte_eth_dev_tx_buffer *buffer;
187 dst_port = l2fwd_dst_ports[portid];
190 l2fwd_mac_updating(m, dst_port);
192 buffer = tx_buffer[dst_port];
193 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
195 port_statistics[dst_port].tx += sent;
197 /* >8 End of simple forward. */
199 /* main processing loop */
201 l2fwd_main_loop(void)
203 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
207 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
208 unsigned i, j, portid, nb_rx;
209 struct lcore_queue_conf *qconf;
210 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
212 struct rte_eth_dev_tx_buffer *buffer;
217 lcore_id = rte_lcore_id();
218 qconf = &lcore_queue_conf[lcore_id];
220 if (qconf->n_rx_port == 0) {
221 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
225 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
227 for (i = 0; i < qconf->n_rx_port; i++) {
229 portid = qconf->rx_port_list[i];
230 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
235 while (!force_quit) {
237 /* Drains TX queue in its main loop. 8< */
238 cur_tsc = rte_rdtsc();
241 * TX burst queue drain
243 diff_tsc = cur_tsc - prev_tsc;
244 if (unlikely(diff_tsc > drain_tsc)) {
246 for (i = 0; i < qconf->n_rx_port; i++) {
248 portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
249 buffer = tx_buffer[portid];
251 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
253 port_statistics[portid].tx += sent;
257 /* if timer is enabled */
258 if (timer_period > 0) {
260 /* advance the timer */
261 timer_tsc += diff_tsc;
263 /* if timer has reached its timeout */
264 if (unlikely(timer_tsc >= timer_period)) {
266 /* do this only on main core */
267 if (lcore_id == rte_get_main_lcore()) {
269 /* reset the timer */
277 /* >8 End of draining TX queue. */
279 /* Read packet from RX queues. 8< */
280 for (i = 0; i < qconf->n_rx_port; i++) {
282 portid = qconf->rx_port_list[i];
283 nb_rx = rte_eth_rx_burst(portid, 0,
284 pkts_burst, MAX_PKT_BURST);
286 port_statistics[portid].rx += nb_rx;
288 for (j = 0; j < nb_rx; j++) {
290 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
291 l2fwd_simple_forward(m, portid);
294 /* >8 End of read packet from RX queues. */
299 l2fwd_launch_one_lcore(__rte_unused void *dummy)
307 l2fwd_usage(const char *prgname)
309 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
310 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
311 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
312 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
313 " --no-mac-updating: Disable MAC addresses updating (enabled by default)\n"
315 " - The source MAC address is replaced by the TX port MAC address\n"
316 " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n"
317 " --portmap: Configure forwarding port pair mapping\n"
318 " Default: alternate port pairs\n\n",
323 l2fwd_parse_portmask(const char *portmask)
328 /* parse hexadecimal string */
329 pm = strtoul(portmask, &end, 16);
330 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
337 l2fwd_parse_port_pair_config(const char *q_arg)
344 unsigned long int_fld[_NUM_FLD];
345 const char *p, *p0 = q_arg;
346 char *str_fld[_NUM_FLD];
352 nb_port_pair_params = 0;
354 while ((p = strchr(p0, '(')) != NULL) {
361 if (size >= sizeof(s))
366 if (rte_strsplit(s, sizeof(s), str_fld,
367 _NUM_FLD, ',') != _NUM_FLD)
369 for (i = 0; i < _NUM_FLD; i++) {
371 int_fld[i] = strtoul(str_fld[i], &end, 0);
372 if (errno != 0 || end == str_fld[i] ||
373 int_fld[i] >= RTE_MAX_ETHPORTS)
376 if (nb_port_pair_params >= RTE_MAX_ETHPORTS/2) {
377 printf("exceeded max number of port pair params: %hu\n",
378 nb_port_pair_params);
381 port_pair_params_array[nb_port_pair_params].port[0] =
382 (uint16_t)int_fld[FLD_PORT1];
383 port_pair_params_array[nb_port_pair_params].port[1] =
384 (uint16_t)int_fld[FLD_PORT2];
385 ++nb_port_pair_params;
387 port_pair_params = port_pair_params_array;
392 l2fwd_parse_nqueue(const char *q_arg)
397 /* parse hexadecimal string */
398 n = strtoul(q_arg, &end, 10);
399 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
403 if (n >= MAX_RX_QUEUE_PER_LCORE)
410 l2fwd_parse_timer_period(const char *q_arg)
415 /* parse number string */
416 n = strtol(q_arg, &end, 10);
417 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
419 if (n >= MAX_TIMER_PERIOD)
425 static const char short_options[] =
427 "q:" /* number of queues */
428 "T:" /* timer period */
431 #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating"
432 #define CMD_LINE_OPT_PORTMAP_CONFIG "portmap"
435 /* long options mapped to a short option */
437 /* first long only option value must be >= 256, so that we won't
438 * conflict with short options */
439 CMD_LINE_OPT_NO_MAC_UPDATING_NUM = 256,
440 CMD_LINE_OPT_PORTMAP_NUM,
443 static const struct option lgopts[] = {
444 { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, 0,
445 CMD_LINE_OPT_NO_MAC_UPDATING_NUM},
446 { CMD_LINE_OPT_PORTMAP_CONFIG, 1, 0, CMD_LINE_OPT_PORTMAP_NUM},
450 /* Parse the argument given in the command line of the application */
452 l2fwd_parse_args(int argc, char **argv)
454 int opt, ret, timer_secs;
457 char *prgname = argv[0];
460 port_pair_params = NULL;
462 while ((opt = getopt_long(argc, argvopt, short_options,
463 lgopts, &option_index)) != EOF) {
468 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
469 if (l2fwd_enabled_port_mask == 0) {
470 printf("invalid portmask\n");
471 l2fwd_usage(prgname);
478 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
479 if (l2fwd_rx_queue_per_lcore == 0) {
480 printf("invalid queue number\n");
481 l2fwd_usage(prgname);
488 timer_secs = l2fwd_parse_timer_period(optarg);
489 if (timer_secs < 0) {
490 printf("invalid timer period\n");
491 l2fwd_usage(prgname);
494 timer_period = timer_secs;
498 case CMD_LINE_OPT_PORTMAP_NUM:
499 ret = l2fwd_parse_port_pair_config(optarg);
501 fprintf(stderr, "Invalid config\n");
502 l2fwd_usage(prgname);
507 case CMD_LINE_OPT_NO_MAC_UPDATING_NUM:
512 l2fwd_usage(prgname);
518 argv[optind-1] = prgname;
521 optind = 1; /* reset getopt lib */
526 * Check port pair config with enabled port mask,
527 * and for valid port pair combinations.
530 check_port_pair_config(void)
532 uint32_t port_pair_config_mask = 0;
533 uint32_t port_pair_mask = 0;
534 uint16_t index, i, portid;
536 for (index = 0; index < nb_port_pair_params; index++) {
539 for (i = 0; i < NUM_PORTS; i++) {
540 portid = port_pair_params[index].port[i];
541 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
542 printf("port %u is not enabled in port mask\n",
546 if (!rte_eth_dev_is_valid_port(portid)) {
547 printf("port %u is not present on the board\n",
552 port_pair_mask |= 1 << portid;
555 if (port_pair_config_mask & port_pair_mask) {
556 printf("port %u is used in other port pairs\n", portid);
559 port_pair_config_mask |= port_pair_mask;
562 l2fwd_enabled_port_mask &= port_pair_config_mask;
567 /* Check the link status of all ports in up to 9s, and print them finally */
569 check_all_ports_link_status(uint32_t port_mask)
571 #define CHECK_INTERVAL 100 /* 100ms */
572 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
574 uint8_t count, all_ports_up, print_flag = 0;
575 struct rte_eth_link link;
577 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
579 printf("\nChecking link status");
581 for (count = 0; count <= MAX_CHECK_TIME; count++) {
585 RTE_ETH_FOREACH_DEV(portid) {
588 if ((port_mask & (1 << portid)) == 0)
590 memset(&link, 0, sizeof(link));
591 ret = rte_eth_link_get_nowait(portid, &link);
595 printf("Port %u link get failed: %s\n",
596 portid, rte_strerror(-ret));
599 /* print link status if flag set */
600 if (print_flag == 1) {
601 rte_eth_link_to_str(link_status_text,
602 sizeof(link_status_text), &link);
603 printf("Port %d %s\n", portid,
607 /* clear all_ports_up flag if any link down */
608 if (link.link_status == ETH_LINK_DOWN) {
613 /* after finally printing all link status, get out */
617 if (all_ports_up == 0) {
620 rte_delay_ms(CHECK_INTERVAL);
623 /* set the print_flag if all ports up or timeout */
624 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
632 signal_handler(int signum)
634 if (signum == SIGINT || signum == SIGTERM) {
635 printf("\n\nSignal %d received, preparing to exit...\n",
642 main(int argc, char **argv)
644 struct lcore_queue_conf *qconf;
647 uint16_t nb_ports_available = 0;
648 uint16_t portid, last_port;
649 unsigned lcore_id, rx_lcore_id;
650 unsigned nb_ports_in_mask = 0;
651 unsigned int nb_lcores = 0;
652 unsigned int nb_mbufs;
655 ret = rte_eal_init(argc, argv);
657 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
662 signal(SIGINT, signal_handler);
663 signal(SIGTERM, signal_handler);
665 /* parse application arguments (after the EAL ones) */
666 ret = l2fwd_parse_args(argc, argv);
668 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
669 /* >8 End of init EAL. */
671 printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled");
673 /* convert to number of cycles */
674 timer_period *= rte_get_timer_hz();
676 nb_ports = rte_eth_dev_count_avail();
678 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
680 if (port_pair_params != NULL) {
681 if (check_port_pair_config() < 0)
682 rte_exit(EXIT_FAILURE, "Invalid port pair config\n");
685 /* check port mask to possible port mask */
686 if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1))
687 rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n",
688 (1 << nb_ports) - 1);
690 /* Initialization of the driver. 8< */
692 /* reset l2fwd_dst_ports */
693 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
694 l2fwd_dst_ports[portid] = 0;
697 /* populate destination port details */
698 if (port_pair_params != NULL) {
701 for (idx = 0; idx < (nb_port_pair_params << 1); idx++) {
703 portid = port_pair_params[idx >> 1].port[p];
704 l2fwd_dst_ports[portid] =
705 port_pair_params[idx >> 1].port[p ^ 1];
708 RTE_ETH_FOREACH_DEV(portid) {
709 /* skip ports that are not enabled */
710 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
713 if (nb_ports_in_mask % 2) {
714 l2fwd_dst_ports[portid] = last_port;
715 l2fwd_dst_ports[last_port] = portid;
722 if (nb_ports_in_mask % 2) {
723 printf("Notice: odd number of ports in portmask.\n");
724 l2fwd_dst_ports[last_port] = last_port;
727 /* >8 End of initialization of the driver. */
732 /* Initialize the port/queue configuration of each logical core */
733 RTE_ETH_FOREACH_DEV(portid) {
734 /* skip ports that are not enabled */
735 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
738 /* get the lcore_id for this port */
739 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
740 lcore_queue_conf[rx_lcore_id].n_rx_port ==
741 l2fwd_rx_queue_per_lcore) {
743 if (rx_lcore_id >= RTE_MAX_LCORE)
744 rte_exit(EXIT_FAILURE, "Not enough cores\n");
747 if (qconf != &lcore_queue_conf[rx_lcore_id]) {
748 /* Assigned a new logical core in the loop above. */
749 qconf = &lcore_queue_conf[rx_lcore_id];
753 qconf->rx_port_list[qconf->n_rx_port] = portid;
755 printf("Lcore %u: RX port %u TX port %u\n", rx_lcore_id,
756 portid, l2fwd_dst_ports[portid]);
759 nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST +
760 nb_lcores * MEMPOOL_CACHE_SIZE), 8192U);
762 /* Create the mbuf pool. 8< */
763 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs,
764 MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
766 if (l2fwd_pktmbuf_pool == NULL)
767 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
768 /* >8 End of create the mbuf pool. */
770 /* Initialise each port */
771 RTE_ETH_FOREACH_DEV(portid) {
772 struct rte_eth_rxconf rxq_conf;
773 struct rte_eth_txconf txq_conf;
774 struct rte_eth_conf local_port_conf = port_conf;
775 struct rte_eth_dev_info dev_info;
777 /* skip ports that are not enabled */
778 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
779 printf("Skipping disabled port %u\n", portid);
782 nb_ports_available++;
785 printf("Initializing port %u... ", portid);
788 ret = rte_eth_dev_info_get(portid, &dev_info);
790 rte_exit(EXIT_FAILURE,
791 "Error during getting device (port %u) info: %s\n",
792 portid, strerror(-ret));
794 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
795 local_port_conf.txmode.offloads |=
796 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
797 /* Configure the number of queues for a port. */
798 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
800 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
802 /* >8 End of configuration of the number of queues for a port. */
804 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
807 rte_exit(EXIT_FAILURE,
808 "Cannot adjust number of descriptors: err=%d, port=%u\n",
811 ret = rte_eth_macaddr_get(portid,
812 &l2fwd_ports_eth_addr[portid]);
814 rte_exit(EXIT_FAILURE,
815 "Cannot get MAC address: err=%d, port=%u\n",
818 /* init one RX queue */
820 rxq_conf = dev_info.default_rxconf;
821 rxq_conf.offloads = local_port_conf.rxmode.offloads;
822 /* RX queue setup. 8< */
823 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
824 rte_eth_dev_socket_id(portid),
828 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
830 /* >8 End of RX queue setup. */
832 /* Init one TX queue on each port. 8< */
834 txq_conf = dev_info.default_txconf;
835 txq_conf.offloads = local_port_conf.txmode.offloads;
836 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
837 rte_eth_dev_socket_id(portid),
840 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
842 /* >8 End of init one TX queue on each port. */
844 /* Initialize TX buffers */
845 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
846 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
847 rte_eth_dev_socket_id(portid));
848 if (tx_buffer[portid] == NULL)
849 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
852 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
854 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
855 rte_eth_tx_buffer_count_callback,
856 &port_statistics[portid].dropped);
858 rte_exit(EXIT_FAILURE,
859 "Cannot set error callback for tx buffer on port %u\n",
862 ret = rte_eth_dev_set_ptypes(portid, RTE_PTYPE_UNKNOWN, NULL,
865 printf("Port %u, Failed to disable Ptype parsing\n",
868 ret = rte_eth_dev_start(portid);
870 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
875 ret = rte_eth_promiscuous_enable(portid);
877 rte_exit(EXIT_FAILURE,
878 "rte_eth_promiscuous_enable:err=%s, port=%u\n",
879 rte_strerror(-ret), portid);
881 printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n",
883 RTE_ETHER_ADDR_BYTES(&l2fwd_ports_eth_addr[portid]));
885 /* initialize port stats */
886 memset(&port_statistics, 0, sizeof(port_statistics));
889 if (!nb_ports_available) {
890 rte_exit(EXIT_FAILURE,
891 "All available ports are disabled. Please set portmask.\n");
894 check_all_ports_link_status(l2fwd_enabled_port_mask);
897 /* launch per-lcore init on every lcore */
898 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MAIN);
899 RTE_LCORE_FOREACH_WORKER(lcore_id) {
900 if (rte_eal_wait_lcore(lcore_id) < 0) {
906 RTE_ETH_FOREACH_DEV(portid) {
907 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
909 printf("Closing port %d...", portid);
910 ret = rte_eth_dev_stop(portid);
912 printf("rte_eth_dev_stop: err=%d, port=%d\n",
914 rte_eth_dev_close(portid);
918 /* clean up the EAL */