4 * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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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>
48 #include <rte_per_lcore.h>
49 #include <rte_launch.h>
50 #include <rte_atomic.h>
51 #include <rte_cycles.h>
52 #include <rte_prefetch.h>
53 #include <rte_lcore.h>
54 #include <rte_per_lcore.h>
55 #include <rte_branch_prediction.h>
56 #include <rte_interrupts.h>
58 #include <rte_debug.h>
59 #include <rte_ether.h>
60 #include <rte_ethdev.h>
62 #include <rte_mempool.h>
64 #include <rte_spinlock.h>
66 #include <rte_errno.h>
67 #include <rte_jobstats.h>
68 #include <rte_timer.h>
69 #include <rte_alarm.h>
71 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
73 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
76 #define MAX_PKT_BURST 32
77 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
80 * Configurable number of RX/TX ring descriptors
82 #define RTE_TEST_RX_DESC_DEFAULT 128
83 #define RTE_TEST_TX_DESC_DEFAULT 512
84 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
85 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
87 /* ethernet addresses of ports */
88 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
90 /* mask of enabled ports */
91 static uint32_t l2fwd_enabled_port_mask;
93 /* list of enabled ports */
94 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
96 #define UPDATE_STEP_UP 1
97 #define UPDATE_STEP_DOWN 32
99 static unsigned int l2fwd_rx_queue_per_lcore = 1;
102 uint64_t next_flush_time;
104 struct rte_mbuf *mbufs[MAX_PKT_BURST];
107 #define MAX_RX_QUEUE_PER_LCORE 16
108 #define MAX_TX_QUEUE_PER_PORT 16
109 struct lcore_queue_conf {
111 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
112 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
114 struct rte_timer rx_timers[MAX_RX_QUEUE_PER_LCORE];
115 struct rte_jobstats port_fwd_jobs[MAX_RX_QUEUE_PER_LCORE];
117 struct rte_timer flush_timer;
118 struct rte_jobstats flush_job;
119 struct rte_jobstats idle_job;
120 struct rte_jobstats_context jobs_context;
122 rte_atomic16_t stats_read_pending;
124 } __rte_cache_aligned;
125 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
127 static const struct rte_eth_conf port_conf = {
130 .header_split = 0, /**< Header Split disabled */
131 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
132 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
133 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
134 .hw_strip_crc = 0, /**< CRC stripped by hardware */
137 .mq_mode = ETH_MQ_TX_NONE,
141 struct rte_mempool *l2fwd_pktmbuf_pool = NULL;
143 /* Per-port statistics struct */
144 struct l2fwd_port_statistics {
148 } __rte_cache_aligned;
149 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
152 #define MAX_TIMER_PERIOD 86400
153 /* default period is 10 seconds */
154 static int64_t timer_period = 10;
155 /* default timer frequency */
157 /* BURST_TX_DRAIN_US converted to cycles */
159 /* Convert cycles to ns */
161 cycles_to_ns(uint64_t cycles)
165 t *= (double)NS_PER_S;
171 show_lcore_stats(unsigned lcore_id)
173 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
174 struct rte_jobstats_context *ctx = &qconf->jobs_context;
175 struct rte_jobstats *job;
178 /* LCore statistics. */
179 uint64_t stats_period, loop_count;
180 uint64_t exec, exec_min, exec_max;
181 uint64_t management, management_min, management_max;
182 uint64_t busy, busy_min, busy_max;
184 /* Jobs statistics. */
185 const uint8_t port_cnt = qconf->n_rx_port;
186 uint64_t jobs_exec_cnt[port_cnt], jobs_period[port_cnt];
187 uint64_t jobs_exec[port_cnt], jobs_exec_min[port_cnt],
188 jobs_exec_max[port_cnt];
190 uint64_t flush_exec_cnt, flush_period;
191 uint64_t flush_exec, flush_exec_min, flush_exec_max;
193 uint64_t idle_exec_cnt;
194 uint64_t idle_exec, idle_exec_min, idle_exec_max;
195 uint64_t collection_time = rte_get_timer_cycles();
197 /* Ask forwarding thread to give us stats. */
198 rte_atomic16_set(&qconf->stats_read_pending, 1);
199 rte_spinlock_lock(&qconf->lock);
200 rte_atomic16_set(&qconf->stats_read_pending, 0);
202 /* Collect context statistics. */
203 stats_period = ctx->state_time - ctx->start_time;
204 loop_count = ctx->loop_cnt;
206 exec = ctx->exec_time;
207 exec_min = ctx->min_exec_time;
208 exec_max = ctx->max_exec_time;
210 management = ctx->management_time;
211 management_min = ctx->min_management_time;
212 management_max = ctx->max_management_time;
214 rte_jobstats_context_reset(ctx);
216 for (i = 0; i < port_cnt; i++) {
217 job = &qconf->port_fwd_jobs[i];
219 jobs_exec_cnt[i] = job->exec_cnt;
220 jobs_period[i] = job->period;
222 jobs_exec[i] = job->exec_time;
223 jobs_exec_min[i] = job->min_exec_time;
224 jobs_exec_max[i] = job->max_exec_time;
226 rte_jobstats_reset(job);
229 flush_exec_cnt = qconf->flush_job.exec_cnt;
230 flush_period = qconf->flush_job.period;
231 flush_exec = qconf->flush_job.exec_time;
232 flush_exec_min = qconf->flush_job.min_exec_time;
233 flush_exec_max = qconf->flush_job.max_exec_time;
234 rte_jobstats_reset(&qconf->flush_job);
236 idle_exec_cnt = qconf->idle_job.exec_cnt;
237 idle_exec = qconf->idle_job.exec_time;
238 idle_exec_min = qconf->idle_job.min_exec_time;
239 idle_exec_max = qconf->idle_job.max_exec_time;
240 rte_jobstats_reset(&qconf->idle_job);
242 rte_spinlock_unlock(&qconf->lock);
245 busy = exec + management;
246 busy_min = exec_min + management_min;
247 busy_max = exec_max + management_max;
250 collection_time = rte_get_timer_cycles() - collection_time;
252 #define STAT_FMT "\n%-18s %'14.0f %6.1f%% %'10.0f %'10.0f %'10.0f"
254 printf("\n----------------"
255 "\nLCore %3u: statistics (time in ns, collected in %'9.0f)"
256 "\n%-18s %14s %7s %10s %10s %10s "
258 "\n%-18s %'14" PRIu64
260 STAT_FMT /* Management */
263 lcore_id, cycles_to_ns(collection_time),
264 "Stat type", "total", "%total", "avg", "min", "max",
265 "Stats duration:", cycles_to_ns(stats_period),
266 "Loop count:", loop_count,
268 cycles_to_ns(exec), exec * 100.0 / stats_period,
269 cycles_to_ns(loop_count ? exec / loop_count : 0),
270 cycles_to_ns(exec_min),
271 cycles_to_ns(exec_max),
273 cycles_to_ns(management), management * 100.0 / stats_period,
274 cycles_to_ns(loop_count ? management / loop_count : 0),
275 cycles_to_ns(management_min),
276 cycles_to_ns(management_max),
278 cycles_to_ns(busy), busy * 100.0 / stats_period,
279 cycles_to_ns(loop_count ? busy / loop_count : 0),
280 cycles_to_ns(busy_min),
281 cycles_to_ns(busy_max),
283 cycles_to_ns(idle_exec), idle_exec * 100.0 / stats_period,
284 cycles_to_ns(idle_exec_cnt ? idle_exec / idle_exec_cnt : 0),
285 cycles_to_ns(idle_exec_min),
286 cycles_to_ns(idle_exec_max));
288 for (i = 0; i < qconf->n_rx_port; i++) {
289 job = &qconf->port_fwd_jobs[i];
290 printf("\n\nJob %" PRIu32 ": %-20s "
291 "\n%-18s %'14" PRIu64
295 "Exec count:", jobs_exec_cnt[i],
296 "Exec period: ", cycles_to_ns(jobs_period[i]),
298 cycles_to_ns(jobs_exec[i]), jobs_exec[i] * 100.0 / stats_period,
299 cycles_to_ns(jobs_exec_cnt[i] ? jobs_exec[i] / jobs_exec_cnt[i]
301 cycles_to_ns(jobs_exec_min[i]),
302 cycles_to_ns(jobs_exec_max[i]));
305 if (qconf->n_rx_port > 0) {
306 job = &qconf->flush_job;
307 printf("\n\nJob %" PRIu32 ": %-20s "
308 "\n%-18s %'14" PRIu64
312 "Exec count:", flush_exec_cnt,
313 "Exec period: ", cycles_to_ns(flush_period),
315 cycles_to_ns(flush_exec), flush_exec * 100.0 / stats_period,
316 cycles_to_ns(flush_exec_cnt ? flush_exec / flush_exec_cnt : 0),
317 cycles_to_ns(flush_exec_min),
318 cycles_to_ns(flush_exec_max));
322 /* Print out statistics on packets dropped */
324 show_stats_cb(__rte_unused void *param)
326 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
327 unsigned portid, lcore_id;
329 total_packets_dropped = 0;
330 total_packets_tx = 0;
331 total_packets_rx = 0;
333 const char clr[] = { 27, '[', '2', 'J', '\0' };
334 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
336 /* Clear screen and move to top left */
338 "\nPort statistics ===================================",
341 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
342 /* skip disabled ports */
343 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
345 printf("\nStatistics for port %u ------------------------------"
346 "\nPackets sent: %24"PRIu64
347 "\nPackets received: %20"PRIu64
348 "\nPackets dropped: %21"PRIu64,
350 port_statistics[portid].tx,
351 port_statistics[portid].rx,
352 port_statistics[portid].dropped);
354 total_packets_dropped += port_statistics[portid].dropped;
355 total_packets_tx += port_statistics[portid].tx;
356 total_packets_rx += port_statistics[portid].rx;
359 printf("\nAggregate statistics ==============================="
360 "\nTotal packets sent: %18"PRIu64
361 "\nTotal packets received: %14"PRIu64
362 "\nTotal packets dropped: %15"PRIu64
363 "\n====================================================",
366 total_packets_dropped);
368 RTE_LCORE_FOREACH(lcore_id) {
369 if (lcore_queue_conf[lcore_id].n_rx_port > 0)
370 show_lcore_stats(lcore_id);
373 printf("\n====================================================\n");
374 rte_eal_alarm_set(timer_period * US_PER_S, show_stats_cb, NULL);
377 /* Send the burst of packets on an output interface */
379 l2fwd_send_burst(struct lcore_queue_conf *qconf, uint8_t port)
381 struct mbuf_table *m_table;
383 uint16_t queueid = 0;
386 m_table = &qconf->tx_mbufs[port];
389 m_table->next_flush_time = rte_get_timer_cycles() + drain_tsc;
392 ret = rte_eth_tx_burst(port, queueid, m_table->mbufs, n);
394 port_statistics[port].tx += ret;
395 if (unlikely(ret < n)) {
396 port_statistics[port].dropped += (n - ret);
398 rte_pktmbuf_free(m_table->mbufs[ret]);
403 /* Enqueue packets for TX and prepare them to be sent */
405 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
407 const unsigned lcore_id = rte_lcore_id();
408 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
409 struct mbuf_table *m_table = &qconf->tx_mbufs[port];
410 uint16_t len = qconf->tx_mbufs[port].len;
412 m_table->mbufs[len] = m;
417 /* Enough pkts to be sent. */
418 if (unlikely(len == MAX_PKT_BURST))
419 l2fwd_send_burst(qconf, port);
425 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
427 struct ether_hdr *eth;
431 dst_port = l2fwd_dst_ports[portid];
432 eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
434 /* 02:00:00:00:00:xx */
435 tmp = ð->d_addr.addr_bytes[0];
436 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
439 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr);
441 l2fwd_send_packet(m, (uint8_t) dst_port);
445 l2fwd_job_update_cb(struct rte_jobstats *job, int64_t result)
447 int64_t err = job->target - result;
448 int64_t histeresis = job->target / 8;
450 if (err < -histeresis) {
451 if (job->min_period + UPDATE_STEP_DOWN < job->period)
452 job->period -= UPDATE_STEP_DOWN;
453 } else if (err > histeresis) {
454 if (job->period + UPDATE_STEP_UP < job->max_period)
455 job->period += UPDATE_STEP_UP;
460 l2fwd_fwd_job(__rte_unused struct rte_timer *timer, void *arg)
462 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
465 const uint8_t port_idx = (uintptr_t) arg;
466 const unsigned lcore_id = rte_lcore_id();
467 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
468 struct rte_jobstats *job = &qconf->port_fwd_jobs[port_idx];
469 const uint8_t portid = qconf->rx_port_list[port_idx];
472 uint16_t total_nb_rx;
474 rte_jobstats_start(&qconf->jobs_context, job);
476 /* Call rx burst 2 times. This allow rte_jobstats logic to see if this
477 * function must be called more frequently. */
479 total_nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, pkts_burst,
482 for (j = 0; j < total_nb_rx; j++) {
484 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
485 l2fwd_simple_forward(m, portid);
488 if (total_nb_rx == MAX_PKT_BURST) {
489 const uint16_t nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, pkts_burst,
492 total_nb_rx += nb_rx;
493 for (j = 0; j < nb_rx; j++) {
495 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
496 l2fwd_simple_forward(m, portid);
500 port_statistics[portid].rx += total_nb_rx;
502 /* Adjust period time in which we are running here. */
503 if (rte_jobstats_finish(job, total_nb_rx) != 0) {
504 rte_timer_reset(&qconf->rx_timers[port_idx], job->period, PERIODICAL,
505 lcore_id, l2fwd_fwd_job, arg);
510 l2fwd_flush_job(__rte_unused struct rte_timer *timer, __rte_unused void *arg)
514 struct lcore_queue_conf *qconf;
515 struct mbuf_table *m_table;
518 lcore_id = rte_lcore_id();
519 qconf = &lcore_queue_conf[lcore_id];
521 rte_jobstats_start(&qconf->jobs_context, &qconf->flush_job);
523 now = rte_get_timer_cycles();
524 lcore_id = rte_lcore_id();
525 qconf = &lcore_queue_conf[lcore_id];
526 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
527 m_table = &qconf->tx_mbufs[portid];
528 if (m_table->len == 0 || m_table->next_flush_time <= now)
531 l2fwd_send_burst(qconf, portid);
535 /* Pass target to indicate that this job is happy of time interwal
536 * in which it was called. */
537 rte_jobstats_finish(&qconf->flush_job, qconf->flush_job.target);
540 /* main processing loop */
542 l2fwd_main_loop(void)
546 struct lcore_queue_conf *qconf;
547 uint8_t stats_read_pending = 0;
550 lcore_id = rte_lcore_id();
551 qconf = &lcore_queue_conf[lcore_id];
553 if (qconf->n_rx_port == 0) {
554 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
558 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
560 for (i = 0; i < qconf->n_rx_port; i++) {
562 portid = qconf->rx_port_list[i];
563 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
567 rte_jobstats_init(&qconf->idle_job, "idle", 0, 0, 0, 0);
570 rte_spinlock_lock(&qconf->lock);
573 rte_jobstats_context_start(&qconf->jobs_context);
576 * - Read stats_read_pending flag
577 * - check if some real job need to be executed
579 rte_jobstats_start(&qconf->jobs_context, &qconf->idle_job);
583 uint64_t now = rte_get_timer_cycles();
585 need_manage = qconf->flush_timer.expire < now;
586 /* Check if we was esked to give a stats. */
588 rte_atomic16_read(&qconf->stats_read_pending);
589 need_manage |= stats_read_pending;
591 for (i = 0; i < qconf->n_rx_port && !need_manage; i++)
592 need_manage = qconf->rx_timers[i].expire < now;
594 } while (!need_manage);
595 rte_jobstats_finish(&qconf->idle_job, qconf->idle_job.target);
598 rte_jobstats_context_finish(&qconf->jobs_context);
599 } while (likely(stats_read_pending == 0));
601 rte_spinlock_unlock(&qconf->lock);
607 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy)
615 l2fwd_usage(const char *prgname)
617 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
618 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
619 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
620 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
621 " -l set system default locale instead of default (\"C\" locale) for thousands separator in stats.",
626 l2fwd_parse_portmask(const char *portmask)
631 /* parse hexadecimal string */
632 pm = strtoul(portmask, &end, 16);
633 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
643 l2fwd_parse_nqueue(const char *q_arg)
648 /* parse hexadecimal string */
649 n = strtoul(q_arg, &end, 10);
650 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
654 if (n >= MAX_RX_QUEUE_PER_LCORE)
661 l2fwd_parse_timer_period(const char *q_arg)
666 /* parse number string */
667 n = strtol(q_arg, &end, 10);
668 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
670 if (n >= MAX_TIMER_PERIOD)
676 /* Parse the argument given in the command line of the application */
678 l2fwd_parse_args(int argc, char **argv)
683 char *prgname = argv[0];
684 static struct option lgopts[] = {
690 while ((opt = getopt_long(argc, argvopt, "p:q:T:l",
691 lgopts, &option_index)) != EOF) {
696 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
697 if (l2fwd_enabled_port_mask == 0) {
698 printf("invalid portmask\n");
699 l2fwd_usage(prgname);
706 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
707 if (l2fwd_rx_queue_per_lcore == 0) {
708 printf("invalid queue number\n");
709 l2fwd_usage(prgname);
716 timer_period = l2fwd_parse_timer_period(optarg);
717 if (timer_period < 0) {
718 printf("invalid timer period\n");
719 l2fwd_usage(prgname);
724 /* For thousands separator in printf. */
726 setlocale(LC_ALL, "");
731 l2fwd_usage(prgname);
735 l2fwd_usage(prgname);
741 argv[optind-1] = prgname;
744 optind = 0; /* reset getopt lib */
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++) {
761 for (portid = 0; portid < port_num; portid++) {
762 if ((port_mask & (1 << portid)) == 0)
764 memset(&link, 0, sizeof(link));
765 rte_eth_link_get_nowait(portid, &link);
766 /* print link status if flag set */
767 if (print_flag == 1) {
768 if (link.link_status)
769 printf("Port %d Link Up - speed %u "
770 "Mbps - %s\n", (uint8_t)portid,
771 (unsigned)link.link_speed,
772 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
773 ("full-duplex") : ("half-duplex\n"));
775 printf("Port %d Link Down\n",
779 /* clear all_ports_up flag if any link down */
780 if (link.link_status == 0) {
785 /* after finally printing all link status, get out */
789 if (all_ports_up == 0) {
792 rte_delay_ms(CHECK_INTERVAL);
795 /* set the print_flag if all ports up or timeout */
796 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
804 main(int argc, char **argv)
806 struct lcore_queue_conf *qconf;
807 struct rte_eth_dev_info dev_info;
808 unsigned lcore_id, rx_lcore_id;
809 unsigned nb_ports_in_mask = 0;
811 char name[RTE_JOBSTATS_NAMESIZE];
813 uint8_t nb_ports_available;
814 uint8_t portid, last_port;
818 ret = rte_eal_init(argc, argv);
820 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
824 /* parse application arguments (after the EAL ones) */
825 ret = l2fwd_parse_args(argc, argv);
827 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
829 rte_timer_subsystem_init();
831 /* fetch default timer frequency. */
832 hz = rte_get_timer_hz();
834 /* create the mbuf pool */
836 rte_mempool_create("mbuf_pool", NB_MBUF,
838 sizeof(struct rte_pktmbuf_pool_private),
839 rte_pktmbuf_pool_init, NULL,
840 rte_pktmbuf_init, NULL,
842 if (l2fwd_pktmbuf_pool == NULL)
843 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
845 nb_ports = rte_eth_dev_count();
847 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
849 if (nb_ports > RTE_MAX_ETHPORTS)
850 nb_ports = RTE_MAX_ETHPORTS;
852 /* reset l2fwd_dst_ports */
853 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
854 l2fwd_dst_ports[portid] = 0;
858 * Each logical core is assigned a dedicated TX queue on each port.
860 for (portid = 0; portid < nb_ports; portid++) {
861 /* skip ports that are not enabled */
862 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
865 if (nb_ports_in_mask % 2) {
866 l2fwd_dst_ports[portid] = last_port;
867 l2fwd_dst_ports[last_port] = portid;
873 rte_eth_dev_info_get(portid, &dev_info);
875 if (nb_ports_in_mask % 2) {
876 printf("Notice: odd number of ports in portmask.\n");
877 l2fwd_dst_ports[last_port] = last_port;
883 /* Initialize the port/queue configuration of each logical core */
884 for (portid = 0; portid < nb_ports; portid++) {
885 /* skip ports that are not enabled */
886 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
889 /* get the lcore_id for this port */
890 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
891 lcore_queue_conf[rx_lcore_id].n_rx_port ==
892 l2fwd_rx_queue_per_lcore) {
894 if (rx_lcore_id >= RTE_MAX_LCORE)
895 rte_exit(EXIT_FAILURE, "Not enough cores\n");
898 if (qconf != &lcore_queue_conf[rx_lcore_id])
899 /* Assigned a new logical core in the loop above. */
900 qconf = &lcore_queue_conf[rx_lcore_id];
902 qconf->rx_port_list[qconf->n_rx_port] = portid;
904 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid);
907 nb_ports_available = nb_ports;
909 /* Initialise each port */
910 for (portid = 0; portid < nb_ports; portid++) {
911 /* skip ports that are not enabled */
912 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
913 printf("Skipping disabled port %u\n", (unsigned) portid);
914 nb_ports_available--;
918 printf("Initializing port %u... ", (unsigned) portid);
920 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
922 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
923 ret, (unsigned) portid);
925 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
927 /* init one RX queue */
929 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
930 rte_eth_dev_socket_id(portid),
934 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
935 ret, (unsigned) portid);
937 /* init one TX queue on each port */
939 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
940 rte_eth_dev_socket_id(portid),
943 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
944 ret, (unsigned) portid);
947 ret = rte_eth_dev_start(portid);
949 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
950 ret, (unsigned) portid);
954 rte_eth_promiscuous_enable(portid);
956 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
958 l2fwd_ports_eth_addr[portid].addr_bytes[0],
959 l2fwd_ports_eth_addr[portid].addr_bytes[1],
960 l2fwd_ports_eth_addr[portid].addr_bytes[2],
961 l2fwd_ports_eth_addr[portid].addr_bytes[3],
962 l2fwd_ports_eth_addr[portid].addr_bytes[4],
963 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
965 /* initialize port stats */
966 memset(&port_statistics, 0, sizeof(port_statistics));
969 if (!nb_ports_available) {
970 rte_exit(EXIT_FAILURE,
971 "All available ports are disabled. Please set portmask.\n");
974 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
976 drain_tsc = (hz + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
978 RTE_LCORE_FOREACH(lcore_id) {
979 qconf = &lcore_queue_conf[lcore_id];
981 rte_spinlock_init(&qconf->lock);
983 if (rte_jobstats_context_init(&qconf->jobs_context) != 0)
984 rte_panic("Jobs stats context for core %u init failed\n", lcore_id);
986 if (qconf->n_rx_port == 0) {
988 "lcore %u: no ports so no jobs stats context initialization\n",
993 * Set fixed period by setting min = max = initial period. Set target to
994 * zero as it is irrelevant for this job. */
995 rte_jobstats_init(&qconf->flush_job, "flush", drain_tsc, drain_tsc,
998 rte_timer_init(&qconf->flush_timer);
999 ret = rte_timer_reset(&qconf->flush_timer, drain_tsc, PERIODICAL,
1000 lcore_id, &l2fwd_flush_job, NULL);
1003 rte_exit(1, "Failed to reset flush job timer for lcore %u: %s",
1004 lcore_id, rte_strerror(-ret));
1007 for (i = 0; i < qconf->n_rx_port; i++) {
1008 struct rte_jobstats *job = &qconf->port_fwd_jobs[i];
1010 portid = qconf->rx_port_list[i];
1011 printf("Setting forward jon for port %u\n", portid);
1013 snprintf(name, RTE_DIM(name), "port %u fwd", portid);
1014 /* Setup forward job.
1015 * Set min, max and initial period. Set target to MAX_PKT_BURST as
1016 * this is desired optimal RX/TX burst size. */
1017 rte_jobstats_init(job, name, 0, drain_tsc, 0, MAX_PKT_BURST);
1018 rte_jobstats_set_update_period_function(job, l2fwd_job_update_cb);
1020 rte_timer_init(&qconf->rx_timers[i]);
1021 ret = rte_timer_reset(&qconf->rx_timers[i], 0, PERIODICAL, lcore_id,
1022 &l2fwd_fwd_job, (void *)(uintptr_t)i);
1025 rte_exit(1, "Failed to reset lcore %u port %u job timer: %s",
1026 lcore_id, qconf->rx_port_list[i], rte_strerror(-ret));
1032 rte_eal_alarm_set(timer_period * MS_PER_S, show_stats_cb, NULL);
1034 RTE_LOG(INFO, L2FWD, "Stats display disabled\n");
1036 /* launch per-lcore init on every lcore */
1037 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER);
1038 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1039 if (rte_eal_wait_lcore(lcore_id) < 0)