4 * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 #include <rte_alarm.h>
42 #include <rte_common.h>
44 #include <rte_memory.h>
45 #include <rte_memcpy.h>
46 #include <rte_memzone.h>
47 #include <rte_tailq.h>
49 #include <rte_per_lcore.h>
50 #include <rte_launch.h>
51 #include <rte_atomic.h>
52 #include <rte_cycles.h>
53 #include <rte_prefetch.h>
54 #include <rte_lcore.h>
55 #include <rte_per_lcore.h>
56 #include <rte_branch_prediction.h>
57 #include <rte_interrupts.h>
59 #include <rte_debug.h>
60 #include <rte_ether.h>
61 #include <rte_ethdev.h>
63 #include <rte_mempool.h>
65 #include <rte_spinlock.h>
67 #include <rte_errno.h>
68 #include <rte_jobstats.h>
69 #include <rte_timer.h>
70 #include <rte_alarm.h>
72 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
74 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
77 #define MAX_PKT_BURST 32
78 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
81 * Configurable number of RX/TX ring descriptors
83 #define RTE_TEST_RX_DESC_DEFAULT 128
84 #define RTE_TEST_TX_DESC_DEFAULT 512
85 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
86 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
88 /* ethernet addresses of ports */
89 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
91 /* mask of enabled ports */
92 static uint32_t l2fwd_enabled_port_mask;
94 /* list of enabled ports */
95 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
97 #define UPDATE_STEP_UP 1
98 #define UPDATE_STEP_DOWN 32
100 static unsigned int l2fwd_rx_queue_per_lcore = 1;
103 uint64_t next_flush_time;
105 struct rte_mbuf *mbufs[MAX_PKT_BURST];
108 #define MAX_RX_QUEUE_PER_LCORE 16
109 #define MAX_TX_QUEUE_PER_PORT 16
110 struct lcore_queue_conf {
112 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
113 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
115 struct rte_timer rx_timers[MAX_RX_QUEUE_PER_LCORE];
116 struct rte_jobstats port_fwd_jobs[MAX_RX_QUEUE_PER_LCORE];
118 struct rte_timer flush_timer;
119 struct rte_jobstats flush_job;
120 struct rte_jobstats idle_job;
121 struct rte_jobstats_context jobs_context;
123 rte_atomic16_t stats_read_pending;
125 } __rte_cache_aligned;
126 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
128 static const struct rte_eth_conf port_conf = {
131 .header_split = 0, /**< Header Split disabled */
132 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
133 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
134 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
135 .hw_strip_crc = 0, /**< CRC stripped by hardware */
138 .mq_mode = ETH_MQ_TX_NONE,
142 struct rte_mempool *l2fwd_pktmbuf_pool = NULL;
144 /* Per-port statistics struct */
145 struct l2fwd_port_statistics {
149 } __rte_cache_aligned;
150 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
153 #define MAX_TIMER_PERIOD 86400
154 /* default period is 10 seconds */
155 static int64_t timer_period = 10;
156 /* default timer frequency */
158 /* BURST_TX_DRAIN_US converted to cycles */
160 /* Convert cycles to ns */
162 cycles_to_ns(uint64_t cycles)
166 t *= (double)NS_PER_S;
172 show_lcore_stats(unsigned lcore_id)
174 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
175 struct rte_jobstats_context *ctx = &qconf->jobs_context;
176 struct rte_jobstats *job;
179 /* LCore statistics. */
180 uint64_t stats_period, loop_count;
181 uint64_t exec, exec_min, exec_max;
182 uint64_t management, management_min, management_max;
183 uint64_t busy, busy_min, busy_max;
185 /* Jobs statistics. */
186 const uint8_t port_cnt = qconf->n_rx_port;
187 uint64_t jobs_exec_cnt[port_cnt], jobs_period[port_cnt];
188 uint64_t jobs_exec[port_cnt], jobs_exec_min[port_cnt],
189 jobs_exec_max[port_cnt];
191 uint64_t flush_exec_cnt, flush_period;
192 uint64_t flush_exec, flush_exec_min, flush_exec_max;
194 uint64_t idle_exec_cnt;
195 uint64_t idle_exec, idle_exec_min, idle_exec_max;
196 uint64_t collection_time = rte_get_timer_cycles();
198 /* Ask forwarding thread to give us stats. */
199 rte_atomic16_set(&qconf->stats_read_pending, 1);
200 rte_spinlock_lock(&qconf->lock);
201 rte_atomic16_set(&qconf->stats_read_pending, 0);
203 /* Collect context statistics. */
204 stats_period = ctx->state_time - ctx->start_time;
205 loop_count = ctx->loop_cnt;
207 exec = ctx->exec_time;
208 exec_min = ctx->min_exec_time;
209 exec_max = ctx->max_exec_time;
211 management = ctx->management_time;
212 management_min = ctx->min_management_time;
213 management_max = ctx->max_management_time;
215 rte_jobstats_context_reset(ctx);
217 for (i = 0; i < port_cnt; i++) {
218 job = &qconf->port_fwd_jobs[i];
220 jobs_exec_cnt[i] = job->exec_cnt;
221 jobs_period[i] = job->period;
223 jobs_exec[i] = job->exec_time;
224 jobs_exec_min[i] = job->min_exec_time;
225 jobs_exec_max[i] = job->max_exec_time;
227 rte_jobstats_reset(job);
230 flush_exec_cnt = qconf->flush_job.exec_cnt;
231 flush_period = qconf->flush_job.period;
232 flush_exec = qconf->flush_job.exec_time;
233 flush_exec_min = qconf->flush_job.min_exec_time;
234 flush_exec_max = qconf->flush_job.max_exec_time;
235 rte_jobstats_reset(&qconf->flush_job);
237 idle_exec_cnt = qconf->idle_job.exec_cnt;
238 idle_exec = qconf->idle_job.exec_time;
239 idle_exec_min = qconf->idle_job.min_exec_time;
240 idle_exec_max = qconf->idle_job.max_exec_time;
241 rte_jobstats_reset(&qconf->idle_job);
243 rte_spinlock_unlock(&qconf->lock);
246 busy = exec + management;
247 busy_min = exec_min + management_min;
248 busy_max = exec_max + management_max;
251 collection_time = rte_get_timer_cycles() - collection_time;
253 #define STAT_FMT "\n%-18s %'14.0f %6.1f%% %'10.0f %'10.0f %'10.0f"
255 printf("\n----------------"
256 "\nLCore %3u: statistics (time in ns, collected in %'9.0f)"
257 "\n%-18s %14s %7s %10s %10s %10s "
259 "\n%-18s %'14" PRIu64
261 STAT_FMT /* Management */
264 lcore_id, cycles_to_ns(collection_time),
265 "Stat type", "total", "%total", "avg", "min", "max",
266 "Stats duration:", cycles_to_ns(stats_period),
267 "Loop count:", loop_count,
269 cycles_to_ns(exec), exec * 100.0 / stats_period,
270 cycles_to_ns(loop_count ? exec / loop_count : 0),
271 cycles_to_ns(exec_min),
272 cycles_to_ns(exec_max),
274 cycles_to_ns(management), management * 100.0 / stats_period,
275 cycles_to_ns(loop_count ? management / loop_count : 0),
276 cycles_to_ns(management_min),
277 cycles_to_ns(management_max),
279 cycles_to_ns(busy), busy * 100.0 / stats_period,
280 cycles_to_ns(loop_count ? busy / loop_count : 0),
281 cycles_to_ns(busy_min),
282 cycles_to_ns(busy_max),
284 cycles_to_ns(idle_exec), idle_exec * 100.0 / stats_period,
285 cycles_to_ns(idle_exec_cnt ? idle_exec / idle_exec_cnt : 0),
286 cycles_to_ns(idle_exec_min),
287 cycles_to_ns(idle_exec_max));
289 for (i = 0; i < qconf->n_rx_port; i++) {
290 job = &qconf->port_fwd_jobs[i];
291 printf("\n\nJob %" PRIu32 ": %-20s "
292 "\n%-18s %'14" PRIu64
296 "Exec count:", jobs_exec_cnt[i],
297 "Exec period: ", cycles_to_ns(jobs_period[i]),
299 cycles_to_ns(jobs_exec[i]), jobs_exec[i] * 100.0 / stats_period,
300 cycles_to_ns(jobs_exec_cnt[i] ? jobs_exec[i] / jobs_exec_cnt[i]
302 cycles_to_ns(jobs_exec_min[i]),
303 cycles_to_ns(jobs_exec_max[i]));
306 if (qconf->n_rx_port > 0) {
307 job = &qconf->flush_job;
308 printf("\n\nJob %" PRIu32 ": %-20s "
309 "\n%-18s %'14" PRIu64
313 "Exec count:", flush_exec_cnt,
314 "Exec period: ", cycles_to_ns(flush_period),
316 cycles_to_ns(flush_exec), flush_exec * 100.0 / stats_period,
317 cycles_to_ns(flush_exec_cnt ? flush_exec / flush_exec_cnt : 0),
318 cycles_to_ns(flush_exec_min),
319 cycles_to_ns(flush_exec_max));
323 /* Print out statistics on packets dropped */
325 show_stats_cb(__rte_unused void *param)
327 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
328 unsigned portid, lcore_id;
330 total_packets_dropped = 0;
331 total_packets_tx = 0;
332 total_packets_rx = 0;
334 const char clr[] = { 27, '[', '2', 'J', '\0' };
335 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
337 /* Clear screen and move to top left */
339 "\nPort statistics ===================================",
342 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
343 /* skip disabled ports */
344 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
346 printf("\nStatistics for port %u ------------------------------"
347 "\nPackets sent: %24"PRIu64
348 "\nPackets received: %20"PRIu64
349 "\nPackets dropped: %21"PRIu64,
351 port_statistics[portid].tx,
352 port_statistics[portid].rx,
353 port_statistics[portid].dropped);
355 total_packets_dropped += port_statistics[portid].dropped;
356 total_packets_tx += port_statistics[portid].tx;
357 total_packets_rx += port_statistics[portid].rx;
360 printf("\nAggregate statistics ==============================="
361 "\nTotal packets sent: %18"PRIu64
362 "\nTotal packets received: %14"PRIu64
363 "\nTotal packets dropped: %15"PRIu64
364 "\n====================================================",
367 total_packets_dropped);
369 RTE_LCORE_FOREACH(lcore_id) {
370 if (lcore_queue_conf[lcore_id].n_rx_port > 0)
371 show_lcore_stats(lcore_id);
374 printf("\n====================================================\n");
375 rte_eal_alarm_set(timer_period * US_PER_S, show_stats_cb, NULL);
378 /* Send the burst of packets on an output interface */
380 l2fwd_send_burst(struct lcore_queue_conf *qconf, uint8_t port)
382 struct mbuf_table *m_table;
384 uint16_t queueid = 0;
387 m_table = &qconf->tx_mbufs[port];
390 m_table->next_flush_time = rte_get_timer_cycles() + drain_tsc;
393 ret = rte_eth_tx_burst(port, queueid, m_table->mbufs, n);
395 port_statistics[port].tx += ret;
396 if (unlikely(ret < n)) {
397 port_statistics[port].dropped += (n - ret);
399 rte_pktmbuf_free(m_table->mbufs[ret]);
404 /* Enqueue packets for TX and prepare them to be sent */
406 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
408 const unsigned lcore_id = rte_lcore_id();
409 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
410 struct mbuf_table *m_table = &qconf->tx_mbufs[port];
411 uint16_t len = qconf->tx_mbufs[port].len;
413 m_table->mbufs[len] = m;
418 /* Enough pkts to be sent. */
419 if (unlikely(len == MAX_PKT_BURST))
420 l2fwd_send_burst(qconf, port);
426 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
428 struct ether_hdr *eth;
432 dst_port = l2fwd_dst_ports[portid];
433 eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
435 /* 02:00:00:00:00:xx */
436 tmp = ð->d_addr.addr_bytes[0];
437 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
440 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr);
442 l2fwd_send_packet(m, (uint8_t) dst_port);
446 l2fwd_job_update_cb(struct rte_jobstats *job, int64_t result)
448 int64_t err = job->target - result;
449 int64_t histeresis = job->target / 8;
451 if (err < -histeresis) {
452 if (job->min_period + UPDATE_STEP_DOWN < job->period)
453 job->period -= UPDATE_STEP_DOWN;
454 } else if (err > histeresis) {
455 if (job->period + UPDATE_STEP_UP < job->max_period)
456 job->period += UPDATE_STEP_UP;
461 l2fwd_fwd_job(__rte_unused struct rte_timer *timer, void *arg)
463 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
466 const uint8_t port_idx = (uintptr_t) arg;
467 const unsigned lcore_id = rte_lcore_id();
468 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
469 struct rte_jobstats *job = &qconf->port_fwd_jobs[port_idx];
470 const uint8_t portid = qconf->rx_port_list[port_idx];
473 uint16_t total_nb_rx;
475 rte_jobstats_start(&qconf->jobs_context, job);
477 /* Call rx burst 2 times. This allow rte_jobstats logic to see if this
478 * function must be called more frequently. */
480 total_nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, pkts_burst,
483 for (j = 0; j < total_nb_rx; j++) {
485 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
486 l2fwd_simple_forward(m, portid);
489 if (total_nb_rx == MAX_PKT_BURST) {
490 const uint16_t nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, pkts_burst,
493 total_nb_rx += nb_rx;
494 for (j = 0; j < nb_rx; j++) {
496 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
497 l2fwd_simple_forward(m, portid);
501 port_statistics[portid].rx += total_nb_rx;
503 /* Adjust period time in which we are running here. */
504 if (rte_jobstats_finish(job, total_nb_rx) != 0) {
505 rte_timer_reset(&qconf->rx_timers[port_idx], job->period, PERIODICAL,
506 lcore_id, l2fwd_fwd_job, arg);
511 l2fwd_flush_job(__rte_unused struct rte_timer *timer, __rte_unused void *arg)
515 struct lcore_queue_conf *qconf;
516 struct mbuf_table *m_table;
519 lcore_id = rte_lcore_id();
520 qconf = &lcore_queue_conf[lcore_id];
522 rte_jobstats_start(&qconf->jobs_context, &qconf->flush_job);
524 now = rte_get_timer_cycles();
525 lcore_id = rte_lcore_id();
526 qconf = &lcore_queue_conf[lcore_id];
527 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
528 m_table = &qconf->tx_mbufs[portid];
529 if (m_table->len == 0 || m_table->next_flush_time <= now)
532 l2fwd_send_burst(qconf, portid);
536 /* Pass target to indicate that this job is happy of time interwal
537 * in which it was called. */
538 rte_jobstats_finish(&qconf->flush_job, qconf->flush_job.target);
541 /* main processing loop */
543 l2fwd_main_loop(void)
547 struct lcore_queue_conf *qconf;
548 uint8_t stats_read_pending = 0;
551 lcore_id = rte_lcore_id();
552 qconf = &lcore_queue_conf[lcore_id];
554 if (qconf->n_rx_port == 0) {
555 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
559 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
561 for (i = 0; i < qconf->n_rx_port; i++) {
563 portid = qconf->rx_port_list[i];
564 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
568 rte_jobstats_init(&qconf->idle_job, "idle", 0, 0, 0, 0);
571 rte_spinlock_lock(&qconf->lock);
574 rte_jobstats_context_start(&qconf->jobs_context);
577 * - Read stats_read_pending flag
578 * - check if some real job need to be executed
580 rte_jobstats_start(&qconf->jobs_context, &qconf->idle_job);
584 uint64_t now = rte_get_timer_cycles();
586 need_manage = qconf->flush_timer.expire < now;
587 /* Check if we was esked to give a stats. */
589 rte_atomic16_read(&qconf->stats_read_pending);
590 need_manage |= stats_read_pending;
592 for (i = 0; i < qconf->n_rx_port && !need_manage; i++)
593 need_manage = qconf->rx_timers[i].expire < now;
595 } while (!need_manage);
596 rte_jobstats_finish(&qconf->idle_job, qconf->idle_job.target);
599 rte_jobstats_context_finish(&qconf->jobs_context);
600 } while (likely(stats_read_pending == 0));
602 rte_spinlock_unlock(&qconf->lock);
608 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy)
616 l2fwd_usage(const char *prgname)
618 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
619 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
620 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
621 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
622 " -l set system default locale instead of default (\"C\" locale) for thousands separator in stats.",
627 l2fwd_parse_portmask(const char *portmask)
632 /* parse hexadecimal string */
633 pm = strtoul(portmask, &end, 16);
634 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
644 l2fwd_parse_nqueue(const char *q_arg)
649 /* parse hexadecimal string */
650 n = strtoul(q_arg, &end, 10);
651 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
655 if (n >= MAX_RX_QUEUE_PER_LCORE)
662 l2fwd_parse_timer_period(const char *q_arg)
667 /* parse number string */
668 n = strtol(q_arg, &end, 10);
669 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
671 if (n >= MAX_TIMER_PERIOD)
677 /* Parse the argument given in the command line of the application */
679 l2fwd_parse_args(int argc, char **argv)
684 char *prgname = argv[0];
685 static struct option lgopts[] = {
691 while ((opt = getopt_long(argc, argvopt, "p:q:T:l",
692 lgopts, &option_index)) != EOF) {
697 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
698 if (l2fwd_enabled_port_mask == 0) {
699 printf("invalid portmask\n");
700 l2fwd_usage(prgname);
707 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
708 if (l2fwd_rx_queue_per_lcore == 0) {
709 printf("invalid queue number\n");
710 l2fwd_usage(prgname);
717 timer_period = l2fwd_parse_timer_period(optarg);
718 if (timer_period < 0) {
719 printf("invalid timer period\n");
720 l2fwd_usage(prgname);
725 /* For thousands separator in printf. */
727 setlocale(LC_ALL, "");
732 l2fwd_usage(prgname);
736 l2fwd_usage(prgname);
742 argv[optind-1] = prgname;
745 optind = 0; /* reset getopt lib */
749 /* Check the link status of all ports in up to 9s, and print them finally */
751 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
753 #define CHECK_INTERVAL 100 /* 100ms */
754 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
755 uint8_t portid, count, all_ports_up, print_flag = 0;
756 struct rte_eth_link link;
758 printf("\nChecking link status");
760 for (count = 0; count <= MAX_CHECK_TIME; count++) {
762 for (portid = 0; portid < port_num; portid++) {
763 if ((port_mask & (1 << portid)) == 0)
765 memset(&link, 0, sizeof(link));
766 rte_eth_link_get_nowait(portid, &link);
767 /* print link status if flag set */
768 if (print_flag == 1) {
769 if (link.link_status)
770 printf("Port %d Link Up - speed %u "
771 "Mbps - %s\n", (uint8_t)portid,
772 (unsigned)link.link_speed,
773 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
774 ("full-duplex") : ("half-duplex\n"));
776 printf("Port %d Link Down\n",
780 /* clear all_ports_up flag if any link down */
781 if (link.link_status == 0) {
786 /* after finally printing all link status, get out */
790 if (all_ports_up == 0) {
793 rte_delay_ms(CHECK_INTERVAL);
796 /* set the print_flag if all ports up or timeout */
797 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
805 main(int argc, char **argv)
807 struct lcore_queue_conf *qconf;
808 struct rte_eth_dev_info dev_info;
809 unsigned lcore_id, rx_lcore_id;
810 unsigned nb_ports_in_mask = 0;
812 char name[RTE_JOBSTATS_NAMESIZE];
814 uint8_t nb_ports_available;
815 uint8_t portid, last_port;
819 ret = rte_eal_init(argc, argv);
821 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
825 /* parse application arguments (after the EAL ones) */
826 ret = l2fwd_parse_args(argc, argv);
828 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
830 rte_timer_subsystem_init();
832 /* fetch default timer frequency. */
833 hz = rte_get_timer_hz();
835 /* create the mbuf pool */
837 rte_mempool_create("mbuf_pool", NB_MBUF,
839 sizeof(struct rte_pktmbuf_pool_private),
840 rte_pktmbuf_pool_init, NULL,
841 rte_pktmbuf_init, NULL,
843 if (l2fwd_pktmbuf_pool == NULL)
844 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
846 nb_ports = rte_eth_dev_count();
848 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
850 if (nb_ports > RTE_MAX_ETHPORTS)
851 nb_ports = RTE_MAX_ETHPORTS;
853 /* reset l2fwd_dst_ports */
854 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
855 l2fwd_dst_ports[portid] = 0;
859 * Each logical core is assigned a dedicated TX queue on each port.
861 for (portid = 0; portid < nb_ports; portid++) {
862 /* skip ports that are not enabled */
863 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
866 if (nb_ports_in_mask % 2) {
867 l2fwd_dst_ports[portid] = last_port;
868 l2fwd_dst_ports[last_port] = portid;
874 rte_eth_dev_info_get(portid, &dev_info);
876 if (nb_ports_in_mask % 2) {
877 printf("Notice: odd number of ports in portmask.\n");
878 l2fwd_dst_ports[last_port] = last_port;
884 /* Initialize the port/queue configuration of each logical core */
885 for (portid = 0; portid < nb_ports; portid++) {
886 /* skip ports that are not enabled */
887 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
890 /* get the lcore_id for this port */
891 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
892 lcore_queue_conf[rx_lcore_id].n_rx_port ==
893 l2fwd_rx_queue_per_lcore) {
895 if (rx_lcore_id >= RTE_MAX_LCORE)
896 rte_exit(EXIT_FAILURE, "Not enough cores\n");
899 if (qconf != &lcore_queue_conf[rx_lcore_id])
900 /* Assigned a new logical core in the loop above. */
901 qconf = &lcore_queue_conf[rx_lcore_id];
903 qconf->rx_port_list[qconf->n_rx_port] = portid;
905 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid);
908 nb_ports_available = nb_ports;
910 /* Initialise each port */
911 for (portid = 0; portid < nb_ports; portid++) {
912 /* skip ports that are not enabled */
913 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
914 printf("Skipping disabled port %u\n", (unsigned) portid);
915 nb_ports_available--;
919 printf("Initializing port %u... ", (unsigned) portid);
921 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
923 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
924 ret, (unsigned) portid);
926 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
928 /* init one RX queue */
930 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
931 rte_eth_dev_socket_id(portid),
935 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
936 ret, (unsigned) portid);
938 /* init one TX queue on each port */
940 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
941 rte_eth_dev_socket_id(portid),
944 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
945 ret, (unsigned) portid);
948 ret = rte_eth_dev_start(portid);
950 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
951 ret, (unsigned) portid);
955 rte_eth_promiscuous_enable(portid);
957 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
959 l2fwd_ports_eth_addr[portid].addr_bytes[0],
960 l2fwd_ports_eth_addr[portid].addr_bytes[1],
961 l2fwd_ports_eth_addr[portid].addr_bytes[2],
962 l2fwd_ports_eth_addr[portid].addr_bytes[3],
963 l2fwd_ports_eth_addr[portid].addr_bytes[4],
964 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
966 /* initialize port stats */
967 memset(&port_statistics, 0, sizeof(port_statistics));
970 if (!nb_ports_available) {
971 rte_exit(EXIT_FAILURE,
972 "All available ports are disabled. Please set portmask.\n");
975 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
977 drain_tsc = (hz + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
979 RTE_LCORE_FOREACH(lcore_id) {
980 qconf = &lcore_queue_conf[lcore_id];
982 rte_spinlock_init(&qconf->lock);
984 if (rte_jobstats_context_init(&qconf->jobs_context) != 0)
985 rte_panic("Jobs stats context for core %u init failed\n", lcore_id);
987 if (qconf->n_rx_port == 0) {
989 "lcore %u: no ports so no jobs stats context initialization\n",
994 * Set fixed period by setting min = max = initial period. Set target to
995 * zero as it is irrelevant for this job. */
996 rte_jobstats_init(&qconf->flush_job, "flush", drain_tsc, drain_tsc,
999 rte_timer_init(&qconf->flush_timer);
1000 rte_timer_reset(&qconf->flush_timer, drain_tsc, PERIODICAL, lcore_id,
1001 &l2fwd_flush_job, NULL);
1004 rte_exit(1, "Failed to add flush job for lcore %u: %s",
1005 lcore_id, rte_strerror(-ret));
1008 for (i = 0; i < qconf->n_rx_port; i++) {
1009 struct rte_jobstats *job = &qconf->port_fwd_jobs[i];
1011 portid = qconf->rx_port_list[i];
1012 printf("Setting forward jon for port %u\n", portid);
1014 snprintf(name, RTE_DIM(name), "port %u fwd", portid);
1015 /* Setup forward job.
1016 * Set min, max and initial period. Set target to MAX_PKT_BURST as
1017 * this is desired optimal RX/TX burst size. */
1018 rte_jobstats_init(job, name, 0, drain_tsc, 0, MAX_PKT_BURST);
1019 rte_jobstats_set_update_period_function(job, l2fwd_job_update_cb);
1021 rte_timer_init(&qconf->rx_timers[i]);
1022 rte_timer_reset(&qconf->rx_timers[i], 0, PERIODICAL, lcore_id,
1023 &l2fwd_fwd_job, (void *)(uintptr_t)i);
1028 rte_eal_alarm_set(timer_period * MS_PER_S, show_stats_cb, NULL);
1030 RTE_LOG(INFO, L2FWD, "Stats display disabled\n");
1032 /* launch per-lcore init on every lcore */
1033 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER);
1034 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1035 if (rte_eal_wait_lcore(lcore_id) < 0)