1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
10 #include <sys/types.h>
11 #include <sys/queue.h>
12 #include <netinet/in.h>
21 #include <rte_common.h>
23 #include <rte_malloc.h>
24 #include <rte_memory.h>
25 #include <rte_memcpy.h>
27 #include <rte_launch.h>
28 #include <rte_atomic.h>
29 #include <rte_cycles.h>
30 #include <rte_prefetch.h>
31 #include <rte_lcore.h>
32 #include <rte_per_lcore.h>
33 #include <rte_branch_prediction.h>
34 #include <rte_interrupts.h>
35 #include <rte_random.h>
36 #include <rte_debug.h>
37 #include <rte_ether.h>
38 #include <rte_ethdev.h>
39 #include <rte_mempool.h>
41 #include <rte_string_fns.h>
43 static volatile bool force_quit;
45 /* MAC updating enabled by default */
46 static int mac_updating = 1;
48 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
50 #define MAX_PKT_BURST 32
51 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
52 #define MEMPOOL_CACHE_SIZE 256
55 * Configurable number of RX/TX ring descriptors
57 #define RTE_TEST_RX_DESC_DEFAULT 1024
58 #define RTE_TEST_TX_DESC_DEFAULT 1024
59 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
60 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
62 /* ethernet addresses of ports */
63 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
65 /* mask of enabled ports */
66 static uint32_t l2fwd_enabled_port_mask = 0;
68 /* list of enabled ports */
69 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
71 struct port_pair_params {
73 uint16_t port[NUM_PORTS];
74 } __rte_cache_aligned;
76 static struct port_pair_params port_pair_params_array[RTE_MAX_ETHPORTS / 2];
77 static struct port_pair_params *port_pair_params;
78 static uint16_t nb_port_pair_params;
80 static unsigned int l2fwd_rx_queue_per_lcore = 1;
82 #define MAX_RX_QUEUE_PER_LCORE 16
83 #define MAX_TX_QUEUE_PER_PORT 16
84 struct lcore_queue_conf {
86 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
87 } __rte_cache_aligned;
88 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_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->d_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->s_addr);
180 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
184 struct rte_eth_dev_tx_buffer *buffer;
186 dst_port = l2fwd_dst_ports[portid];
189 l2fwd_mac_updating(m, dst_port);
191 buffer = tx_buffer[dst_port];
192 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
194 port_statistics[dst_port].tx += sent;
197 /* main processing loop */
199 l2fwd_main_loop(void)
201 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
205 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
206 unsigned i, j, portid, nb_rx;
207 struct lcore_queue_conf *qconf;
208 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
210 struct rte_eth_dev_tx_buffer *buffer;
215 lcore_id = rte_lcore_id();
216 qconf = &lcore_queue_conf[lcore_id];
218 if (qconf->n_rx_port == 0) {
219 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
223 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
225 for (i = 0; i < qconf->n_rx_port; i++) {
227 portid = qconf->rx_port_list[i];
228 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
233 while (!force_quit) {
235 cur_tsc = rte_rdtsc();
238 * TX burst queue drain
240 diff_tsc = cur_tsc - prev_tsc;
241 if (unlikely(diff_tsc > drain_tsc)) {
243 for (i = 0; i < qconf->n_rx_port; i++) {
245 portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
246 buffer = tx_buffer[portid];
248 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
250 port_statistics[portid].tx += sent;
254 /* if timer is enabled */
255 if (timer_period > 0) {
257 /* advance the timer */
258 timer_tsc += diff_tsc;
260 /* if timer has reached its timeout */
261 if (unlikely(timer_tsc >= timer_period)) {
263 /* do this only on master core */
264 if (lcore_id == rte_get_master_lcore()) {
266 /* reset the timer */
276 * Read packet from RX queues
278 for (i = 0; i < qconf->n_rx_port; i++) {
280 portid = qconf->rx_port_list[i];
281 nb_rx = rte_eth_rx_burst(portid, 0,
282 pkts_burst, MAX_PKT_BURST);
284 port_statistics[portid].rx += nb_rx;
286 for (j = 0; j < nb_rx; j++) {
288 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
289 l2fwd_simple_forward(m, portid);
296 l2fwd_launch_one_lcore(__rte_unused void *dummy)
304 l2fwd_usage(const char *prgname)
306 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
307 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
308 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
309 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
310 " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
312 " - The source MAC address is replaced by the TX port MAC address\n"
313 " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n"
314 " --portmap: Configure forwarding port pair mapping\n"
315 " Default: alternate port pairs\n\n",
320 l2fwd_parse_portmask(const char *portmask)
325 /* parse hexadecimal string */
326 pm = strtoul(portmask, &end, 16);
327 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_MAC_UPDATING "mac-updating"
432 #define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating"
433 #define CMD_LINE_OPT_PORTMAP_CONFIG "portmap"
436 /* long options mapped to a short option */
438 /* first long only option value must be >= 256, so that we won't
439 * conflict with short options */
440 CMD_LINE_OPT_MIN_NUM = 256,
441 CMD_LINE_OPT_PORTMAP_NUM,
444 static const struct option lgopts[] = {
445 { CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1},
446 { CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0},
447 { CMD_LINE_OPT_PORTMAP_CONFIG, 1, 0, CMD_LINE_OPT_PORTMAP_NUM},
451 /* Parse the argument given in the command line of the application */
453 l2fwd_parse_args(int argc, char **argv)
455 int opt, ret, timer_secs;
458 char *prgname = argv[0];
461 port_pair_params = NULL;
463 while ((opt = getopt_long(argc, argvopt, short_options,
464 lgopts, &option_index)) != EOF) {
469 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
470 if (l2fwd_enabled_port_mask == 0) {
471 printf("invalid portmask\n");
472 l2fwd_usage(prgname);
479 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
480 if (l2fwd_rx_queue_per_lcore == 0) {
481 printf("invalid queue number\n");
482 l2fwd_usage(prgname);
489 timer_secs = l2fwd_parse_timer_period(optarg);
490 if (timer_secs < 0) {
491 printf("invalid timer period\n");
492 l2fwd_usage(prgname);
495 timer_period = timer_secs;
499 case CMD_LINE_OPT_PORTMAP_NUM:
500 ret = l2fwd_parse_port_pair_config(optarg);
502 fprintf(stderr, "Invalid config\n");
503 l2fwd_usage(prgname);
509 l2fwd_usage(prgname);
515 argv[optind-1] = prgname;
518 optind = 1; /* reset getopt lib */
523 * Check port pair config with enabled port mask,
524 * and for valid port pair combinations.
527 check_port_pair_config(void)
529 uint32_t port_pair_config_mask = 0;
530 uint32_t port_pair_mask = 0;
531 uint16_t index, i, portid;
533 for (index = 0; index < nb_port_pair_params; index++) {
536 for (i = 0; i < NUM_PORTS; i++) {
537 portid = port_pair_params[index].port[i];
538 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
539 printf("port %u is not enabled in port mask\n",
543 if (!rte_eth_dev_is_valid_port(portid)) {
544 printf("port %u is not present on the board\n",
549 port_pair_mask |= 1 << portid;
552 if (port_pair_config_mask & port_pair_mask) {
553 printf("port %u is used in other port pairs\n", portid);
556 port_pair_config_mask |= port_pair_mask;
559 l2fwd_enabled_port_mask &= port_pair_config_mask;
564 /* Check the link status of all ports in up to 9s, and print them finally */
566 check_all_ports_link_status(uint32_t port_mask)
568 #define CHECK_INTERVAL 100 /* 100ms */
569 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
571 uint8_t count, all_ports_up, print_flag = 0;
572 struct rte_eth_link link;
575 printf("\nChecking link status");
577 for (count = 0; count <= MAX_CHECK_TIME; count++) {
581 RTE_ETH_FOREACH_DEV(portid) {
584 if ((port_mask & (1 << portid)) == 0)
586 memset(&link, 0, sizeof(link));
587 ret = rte_eth_link_get_nowait(portid, &link);
591 printf("Port %u link get failed: %s\n",
592 portid, rte_strerror(-ret));
595 /* print link status if flag set */
596 if (print_flag == 1) {
597 if (link.link_status)
599 "Port%d Link Up. Speed %u Mbps - %s\n",
600 portid, link.link_speed,
601 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
602 ("full-duplex") : ("half-duplex"));
604 printf("Port %d Link Down\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");
670 printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled");
672 /* convert to number of cycles */
673 timer_period *= rte_get_timer_hz();
675 nb_ports = rte_eth_dev_count_avail();
677 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
679 if (port_pair_params != NULL) {
680 if (check_port_pair_config() < 0)
681 rte_exit(EXIT_FAILURE, "Invalid port pair config\n");
684 /* check port mask to possible port mask */
685 if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1))
686 rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n",
687 (1 << nb_ports) - 1);
689 /* reset l2fwd_dst_ports */
690 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
691 l2fwd_dst_ports[portid] = 0;
694 /* populate destination port details */
695 if (port_pair_params != NULL) {
698 for (idx = 0; idx < (nb_port_pair_params << 1); idx++) {
700 portid = port_pair_params[idx >> 1].port[p];
701 l2fwd_dst_ports[portid] =
702 port_pair_params[idx >> 1].port[p ^ 1];
705 RTE_ETH_FOREACH_DEV(portid) {
706 /* skip ports that are not enabled */
707 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
710 if (nb_ports_in_mask % 2) {
711 l2fwd_dst_ports[portid] = last_port;
712 l2fwd_dst_ports[last_port] = portid;
719 if (nb_ports_in_mask % 2) {
720 printf("Notice: odd number of ports in portmask.\n");
721 l2fwd_dst_ports[last_port] = last_port;
728 /* Initialize the port/queue configuration of each logical core */
729 RTE_ETH_FOREACH_DEV(portid) {
730 /* skip ports that are not enabled */
731 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
734 /* get the lcore_id for this port */
735 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
736 lcore_queue_conf[rx_lcore_id].n_rx_port ==
737 l2fwd_rx_queue_per_lcore) {
739 if (rx_lcore_id >= RTE_MAX_LCORE)
740 rte_exit(EXIT_FAILURE, "Not enough cores\n");
743 if (qconf != &lcore_queue_conf[rx_lcore_id]) {
744 /* Assigned a new logical core in the loop above. */
745 qconf = &lcore_queue_conf[rx_lcore_id];
749 qconf->rx_port_list[qconf->n_rx_port] = portid;
751 printf("Lcore %u: RX port %u TX port %u\n", rx_lcore_id,
752 portid, l2fwd_dst_ports[portid]);
755 nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST +
756 nb_lcores * MEMPOOL_CACHE_SIZE), 8192U);
758 /* create the mbuf pool */
759 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs,
760 MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
762 if (l2fwd_pktmbuf_pool == NULL)
763 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
765 /* Initialise each port */
766 RTE_ETH_FOREACH_DEV(portid) {
767 struct rte_eth_rxconf rxq_conf;
768 struct rte_eth_txconf txq_conf;
769 struct rte_eth_conf local_port_conf = port_conf;
770 struct rte_eth_dev_info dev_info;
772 /* skip ports that are not enabled */
773 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
774 printf("Skipping disabled port %u\n", portid);
777 nb_ports_available++;
780 printf("Initializing port %u... ", portid);
783 ret = rte_eth_dev_info_get(portid, &dev_info);
785 rte_exit(EXIT_FAILURE,
786 "Error during getting device (port %u) info: %s\n",
787 portid, strerror(-ret));
789 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
790 local_port_conf.txmode.offloads |=
791 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
792 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
794 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
797 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
800 rte_exit(EXIT_FAILURE,
801 "Cannot adjust number of descriptors: err=%d, port=%u\n",
804 ret = rte_eth_macaddr_get(portid,
805 &l2fwd_ports_eth_addr[portid]);
807 rte_exit(EXIT_FAILURE,
808 "Cannot get MAC address: err=%d, port=%u\n",
811 /* init one RX queue */
813 rxq_conf = dev_info.default_rxconf;
814 rxq_conf.offloads = local_port_conf.rxmode.offloads;
815 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
816 rte_eth_dev_socket_id(portid),
820 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
823 /* init one TX queue on each port */
825 txq_conf = dev_info.default_txconf;
826 txq_conf.offloads = local_port_conf.txmode.offloads;
827 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
828 rte_eth_dev_socket_id(portid),
831 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
834 /* Initialize TX buffers */
835 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
836 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
837 rte_eth_dev_socket_id(portid));
838 if (tx_buffer[portid] == NULL)
839 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
842 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
844 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
845 rte_eth_tx_buffer_count_callback,
846 &port_statistics[portid].dropped);
848 rte_exit(EXIT_FAILURE,
849 "Cannot set error callback for tx buffer on port %u\n",
852 ret = rte_eth_dev_set_ptypes(portid, RTE_PTYPE_UNKNOWN, NULL,
855 printf("Port %u, Failed to disable Ptype parsing\n",
858 ret = rte_eth_dev_start(portid);
860 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
865 ret = rte_eth_promiscuous_enable(portid);
867 rte_exit(EXIT_FAILURE,
868 "rte_eth_promiscuous_enable:err=%s, port=%u\n",
869 rte_strerror(-ret), portid);
871 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
873 l2fwd_ports_eth_addr[portid].addr_bytes[0],
874 l2fwd_ports_eth_addr[portid].addr_bytes[1],
875 l2fwd_ports_eth_addr[portid].addr_bytes[2],
876 l2fwd_ports_eth_addr[portid].addr_bytes[3],
877 l2fwd_ports_eth_addr[portid].addr_bytes[4],
878 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
880 /* initialize port stats */
881 memset(&port_statistics, 0, sizeof(port_statistics));
884 if (!nb_ports_available) {
885 rte_exit(EXIT_FAILURE,
886 "All available ports are disabled. Please set portmask.\n");
889 check_all_ports_link_status(l2fwd_enabled_port_mask);
892 /* launch per-lcore init on every lcore */
893 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER);
894 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
895 if (rte_eal_wait_lcore(lcore_id) < 0) {
901 RTE_ETH_FOREACH_DEV(portid) {
902 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
904 printf("Closing port %d...", portid);
905 rte_eth_dev_stop(portid);
906 rte_eth_dev_close(portid);