1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
12 #include <rte_common.h>
14 #include <rte_malloc.h>
15 #include <rte_memory.h>
16 #include <rte_memcpy.h>
18 #include <rte_launch.h>
19 #include <rte_atomic.h>
20 #include <rte_cycles.h>
21 #include <rte_prefetch.h>
22 #include <rte_lcore.h>
23 #include <rte_per_lcore.h>
24 #include <rte_branch_prediction.h>
25 #include <rte_interrupts.h>
26 #include <rte_debug.h>
27 #include <rte_ether.h>
28 #include <rte_ethdev.h>
29 #include <rte_mempool.h>
31 #include <rte_spinlock.h>
33 #include <rte_errno.h>
34 #include <rte_jobstats.h>
35 #include <rte_timer.h>
36 #include <rte_alarm.h>
37 #include <rte_pause.h>
39 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
43 #define MAX_PKT_BURST 32
44 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
47 * Configurable number of RX/TX ring descriptors
49 #define RTE_TEST_RX_DESC_DEFAULT 128
50 #define RTE_TEST_TX_DESC_DEFAULT 512
51 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
52 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
54 /* ethernet addresses of ports */
55 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
57 /* mask of enabled ports */
58 static uint32_t l2fwd_enabled_port_mask;
60 /* list of enabled ports */
61 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
63 #define UPDATE_STEP_UP 1
64 #define UPDATE_STEP_DOWN 32
66 static unsigned int l2fwd_rx_queue_per_lcore = 1;
68 #define MAX_RX_QUEUE_PER_LCORE 16
69 #define MAX_TX_QUEUE_PER_PORT 16
70 struct lcore_queue_conf {
72 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
73 uint64_t next_flush_time[RTE_MAX_ETHPORTS];
75 struct rte_timer rx_timers[MAX_RX_QUEUE_PER_LCORE];
76 struct rte_jobstats port_fwd_jobs[MAX_RX_QUEUE_PER_LCORE];
78 struct rte_timer flush_timer;
79 struct rte_jobstats flush_job;
80 struct rte_jobstats idle_job;
81 struct rte_jobstats_context jobs_context;
83 rte_atomic16_t stats_read_pending;
85 } __rte_cache_aligned;
86 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
88 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
90 static const struct rte_eth_conf port_conf = {
93 .header_split = 0, /**< Header Split disabled */
94 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
95 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
96 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
97 .hw_strip_crc = 1, /**< CRC stripped by hardware */
100 .mq_mode = ETH_MQ_TX_NONE,
104 struct rte_mempool *l2fwd_pktmbuf_pool = NULL;
106 /* Per-port statistics struct */
107 struct l2fwd_port_statistics {
111 } __rte_cache_aligned;
112 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
115 #define MAX_TIMER_PERIOD 86400
116 /* default period is 10 seconds */
117 static int64_t timer_period = 10;
118 /* default timer frequency */
120 /* BURST_TX_DRAIN_US converted to cycles */
122 /* Convert cycles to ns */
124 cycles_to_ns(uint64_t cycles)
128 t *= (double)NS_PER_S;
134 show_lcore_stats(unsigned lcore_id)
136 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
137 struct rte_jobstats_context *ctx = &qconf->jobs_context;
138 struct rte_jobstats *job;
141 /* LCore statistics. */
142 uint64_t stats_period, loop_count;
143 uint64_t exec, exec_min, exec_max;
144 uint64_t management, management_min, management_max;
145 uint64_t busy, busy_min, busy_max;
147 /* Jobs statistics. */
148 const uint16_t port_cnt = qconf->n_rx_port;
149 uint64_t jobs_exec_cnt[port_cnt], jobs_period[port_cnt];
150 uint64_t jobs_exec[port_cnt], jobs_exec_min[port_cnt],
151 jobs_exec_max[port_cnt];
153 uint64_t flush_exec_cnt, flush_period;
154 uint64_t flush_exec, flush_exec_min, flush_exec_max;
156 uint64_t idle_exec_cnt;
157 uint64_t idle_exec, idle_exec_min, idle_exec_max;
158 uint64_t collection_time = rte_get_timer_cycles();
160 /* Ask forwarding thread to give us stats. */
161 rte_atomic16_set(&qconf->stats_read_pending, 1);
162 rte_spinlock_lock(&qconf->lock);
163 rte_atomic16_set(&qconf->stats_read_pending, 0);
165 /* Collect context statistics. */
166 stats_period = ctx->state_time - ctx->start_time;
167 loop_count = ctx->loop_cnt;
169 exec = ctx->exec_time;
170 exec_min = ctx->min_exec_time;
171 exec_max = ctx->max_exec_time;
173 management = ctx->management_time;
174 management_min = ctx->min_management_time;
175 management_max = ctx->max_management_time;
177 rte_jobstats_context_reset(ctx);
179 for (i = 0; i < port_cnt; i++) {
180 job = &qconf->port_fwd_jobs[i];
182 jobs_exec_cnt[i] = job->exec_cnt;
183 jobs_period[i] = job->period;
185 jobs_exec[i] = job->exec_time;
186 jobs_exec_min[i] = job->min_exec_time;
187 jobs_exec_max[i] = job->max_exec_time;
189 rte_jobstats_reset(job);
192 flush_exec_cnt = qconf->flush_job.exec_cnt;
193 flush_period = qconf->flush_job.period;
194 flush_exec = qconf->flush_job.exec_time;
195 flush_exec_min = qconf->flush_job.min_exec_time;
196 flush_exec_max = qconf->flush_job.max_exec_time;
197 rte_jobstats_reset(&qconf->flush_job);
199 idle_exec_cnt = qconf->idle_job.exec_cnt;
200 idle_exec = qconf->idle_job.exec_time;
201 idle_exec_min = qconf->idle_job.min_exec_time;
202 idle_exec_max = qconf->idle_job.max_exec_time;
203 rte_jobstats_reset(&qconf->idle_job);
205 rte_spinlock_unlock(&qconf->lock);
208 busy = exec + management;
209 busy_min = exec_min + management_min;
210 busy_max = exec_max + management_max;
213 collection_time = rte_get_timer_cycles() - collection_time;
215 #define STAT_FMT "\n%-18s %'14.0f %6.1f%% %'10.0f %'10.0f %'10.0f"
217 printf("\n----------------"
218 "\nLCore %3u: statistics (time in ns, collected in %'9.0f)"
219 "\n%-18s %14s %7s %10s %10s %10s "
221 "\n%-18s %'14" PRIu64
223 STAT_FMT /* Management */
226 lcore_id, cycles_to_ns(collection_time),
227 "Stat type", "total", "%total", "avg", "min", "max",
228 "Stats duration:", cycles_to_ns(stats_period),
229 "Loop count:", loop_count,
231 cycles_to_ns(exec), exec * 100.0 / stats_period,
232 cycles_to_ns(loop_count ? exec / loop_count : 0),
233 cycles_to_ns(exec_min),
234 cycles_to_ns(exec_max),
236 cycles_to_ns(management), management * 100.0 / stats_period,
237 cycles_to_ns(loop_count ? management / loop_count : 0),
238 cycles_to_ns(management_min),
239 cycles_to_ns(management_max),
241 cycles_to_ns(busy), busy * 100.0 / stats_period,
242 cycles_to_ns(loop_count ? busy / loop_count : 0),
243 cycles_to_ns(busy_min),
244 cycles_to_ns(busy_max),
246 cycles_to_ns(idle_exec), idle_exec * 100.0 / stats_period,
247 cycles_to_ns(idle_exec_cnt ? idle_exec / idle_exec_cnt : 0),
248 cycles_to_ns(idle_exec_min),
249 cycles_to_ns(idle_exec_max));
251 for (i = 0; i < qconf->n_rx_port; i++) {
252 job = &qconf->port_fwd_jobs[i];
253 printf("\n\nJob %" PRIu32 ": %-20s "
254 "\n%-18s %'14" PRIu64
258 "Exec count:", jobs_exec_cnt[i],
259 "Exec period: ", cycles_to_ns(jobs_period[i]),
261 cycles_to_ns(jobs_exec[i]), jobs_exec[i] * 100.0 / stats_period,
262 cycles_to_ns(jobs_exec_cnt[i] ? jobs_exec[i] / jobs_exec_cnt[i]
264 cycles_to_ns(jobs_exec_min[i]),
265 cycles_to_ns(jobs_exec_max[i]));
268 if (qconf->n_rx_port > 0) {
269 job = &qconf->flush_job;
270 printf("\n\nJob %" PRIu32 ": %-20s "
271 "\n%-18s %'14" PRIu64
275 "Exec count:", flush_exec_cnt,
276 "Exec period: ", cycles_to_ns(flush_period),
278 cycles_to_ns(flush_exec), flush_exec * 100.0 / stats_period,
279 cycles_to_ns(flush_exec_cnt ? flush_exec / flush_exec_cnt : 0),
280 cycles_to_ns(flush_exec_min),
281 cycles_to_ns(flush_exec_max));
285 /* Print out statistics on packets dropped */
287 show_stats_cb(__rte_unused void *param)
289 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
290 unsigned portid, lcore_id;
292 total_packets_dropped = 0;
293 total_packets_tx = 0;
294 total_packets_rx = 0;
296 const char clr[] = { 27, '[', '2', 'J', '\0' };
297 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
299 /* Clear screen and move to top left */
301 "\nPort statistics ===================================",
304 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
305 /* skip disabled ports */
306 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
308 printf("\nStatistics for port %u ------------------------------"
309 "\nPackets sent: %24"PRIu64
310 "\nPackets received: %20"PRIu64
311 "\nPackets dropped: %21"PRIu64,
313 port_statistics[portid].tx,
314 port_statistics[portid].rx,
315 port_statistics[portid].dropped);
317 total_packets_dropped += port_statistics[portid].dropped;
318 total_packets_tx += port_statistics[portid].tx;
319 total_packets_rx += port_statistics[portid].rx;
322 printf("\nAggregate statistics ==============================="
323 "\nTotal packets sent: %18"PRIu64
324 "\nTotal packets received: %14"PRIu64
325 "\nTotal packets dropped: %15"PRIu64
326 "\n====================================================",
329 total_packets_dropped);
331 RTE_LCORE_FOREACH(lcore_id) {
332 if (lcore_queue_conf[lcore_id].n_rx_port > 0)
333 show_lcore_stats(lcore_id);
336 printf("\n====================================================\n");
337 rte_eal_alarm_set(timer_period * US_PER_S, show_stats_cb, NULL);
341 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
343 struct ether_hdr *eth;
347 struct rte_eth_dev_tx_buffer *buffer;
349 dst_port = l2fwd_dst_ports[portid];
350 eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
352 /* 02:00:00:00:00:xx */
353 tmp = ð->d_addr.addr_bytes[0];
354 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
357 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr);
359 buffer = tx_buffer[dst_port];
360 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
362 port_statistics[dst_port].tx += sent;
366 l2fwd_job_update_cb(struct rte_jobstats *job, int64_t result)
368 int64_t err = job->target - result;
369 int64_t histeresis = job->target / 8;
371 if (err < -histeresis) {
372 if (job->min_period + UPDATE_STEP_DOWN < job->period)
373 job->period -= UPDATE_STEP_DOWN;
374 } else if (err > histeresis) {
375 if (job->period + UPDATE_STEP_UP < job->max_period)
376 job->period += UPDATE_STEP_UP;
381 l2fwd_fwd_job(__rte_unused struct rte_timer *timer, void *arg)
383 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
386 const uint16_t port_idx = (uintptr_t) arg;
387 const unsigned lcore_id = rte_lcore_id();
388 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
389 struct rte_jobstats *job = &qconf->port_fwd_jobs[port_idx];
390 const uint16_t portid = qconf->rx_port_list[port_idx];
393 uint16_t total_nb_rx;
395 rte_jobstats_start(&qconf->jobs_context, job);
397 /* Call rx burst 2 times. This allow rte_jobstats logic to see if this
398 * function must be called more frequently. */
400 total_nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
403 for (j = 0; j < total_nb_rx; j++) {
405 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
406 l2fwd_simple_forward(m, portid);
409 if (total_nb_rx == MAX_PKT_BURST) {
410 const uint16_t nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
413 total_nb_rx += nb_rx;
414 for (j = 0; j < nb_rx; j++) {
416 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
417 l2fwd_simple_forward(m, portid);
421 port_statistics[portid].rx += total_nb_rx;
423 /* Adjust period time in which we are running here. */
424 if (rte_jobstats_finish(job, total_nb_rx) != 0) {
425 rte_timer_reset(&qconf->rx_timers[port_idx], job->period, PERIODICAL,
426 lcore_id, l2fwd_fwd_job, arg);
431 l2fwd_flush_job(__rte_unused struct rte_timer *timer, __rte_unused void *arg)
435 struct lcore_queue_conf *qconf;
439 struct rte_eth_dev_tx_buffer *buffer;
441 lcore_id = rte_lcore_id();
442 qconf = &lcore_queue_conf[lcore_id];
444 rte_jobstats_start(&qconf->jobs_context, &qconf->flush_job);
446 now = rte_get_timer_cycles();
447 lcore_id = rte_lcore_id();
448 qconf = &lcore_queue_conf[lcore_id];
450 for (i = 0; i < qconf->n_rx_port; i++) {
451 portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
453 if (qconf->next_flush_time[portid] <= now)
456 buffer = tx_buffer[portid];
457 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
459 port_statistics[portid].tx += sent;
461 qconf->next_flush_time[portid] = rte_get_timer_cycles() + drain_tsc;
464 /* Pass target to indicate that this job is happy of time interwal
465 * in which it was called. */
466 rte_jobstats_finish(&qconf->flush_job, qconf->flush_job.target);
469 /* main processing loop */
471 l2fwd_main_loop(void)
475 struct lcore_queue_conf *qconf;
476 uint8_t stats_read_pending = 0;
479 lcore_id = rte_lcore_id();
480 qconf = &lcore_queue_conf[lcore_id];
482 if (qconf->n_rx_port == 0) {
483 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
487 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
489 for (i = 0; i < qconf->n_rx_port; i++) {
491 portid = qconf->rx_port_list[i];
492 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
496 rte_jobstats_init(&qconf->idle_job, "idle", 0, 0, 0, 0);
499 rte_spinlock_lock(&qconf->lock);
502 rte_jobstats_context_start(&qconf->jobs_context);
505 * - Read stats_read_pending flag
506 * - check if some real job need to be executed
508 rte_jobstats_start(&qconf->jobs_context, &qconf->idle_job);
510 uint64_t repeats = 0;
514 uint64_t now = rte_get_timer_cycles();
517 need_manage = qconf->flush_timer.expire < now;
518 /* Check if we was esked to give a stats. */
520 rte_atomic16_read(&qconf->stats_read_pending);
521 need_manage |= stats_read_pending;
523 for (i = 0; i < qconf->n_rx_port && !need_manage; i++)
524 need_manage = qconf->rx_timers[i].expire < now;
526 } while (!need_manage);
528 if (likely(repeats != 1))
529 rte_jobstats_finish(&qconf->idle_job, qconf->idle_job.target);
531 rte_jobstats_abort(&qconf->idle_job);
534 rte_jobstats_context_finish(&qconf->jobs_context);
535 } while (likely(stats_read_pending == 0));
537 rte_spinlock_unlock(&qconf->lock);
543 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy)
551 l2fwd_usage(const char *prgname)
553 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
554 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
555 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
556 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
557 " -l set system default locale instead of default (\"C\" locale) for thousands separator in stats.",
562 l2fwd_parse_portmask(const char *portmask)
567 /* parse hexadecimal string */
568 pm = strtoul(portmask, &end, 16);
569 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
579 l2fwd_parse_nqueue(const char *q_arg)
584 /* parse hexadecimal string */
585 n = strtoul(q_arg, &end, 10);
586 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
590 if (n >= MAX_RX_QUEUE_PER_LCORE)
597 l2fwd_parse_timer_period(const char *q_arg)
602 /* parse number string */
603 n = strtol(q_arg, &end, 10);
604 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
606 if (n >= MAX_TIMER_PERIOD)
612 /* Parse the argument given in the command line of the application */
614 l2fwd_parse_args(int argc, char **argv)
619 char *prgname = argv[0];
620 static struct option lgopts[] = {
626 while ((opt = getopt_long(argc, argvopt, "p:q:T:l",
627 lgopts, &option_index)) != EOF) {
632 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
633 if (l2fwd_enabled_port_mask == 0) {
634 printf("invalid portmask\n");
635 l2fwd_usage(prgname);
642 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
643 if (l2fwd_rx_queue_per_lcore == 0) {
644 printf("invalid queue number\n");
645 l2fwd_usage(prgname);
652 timer_period = l2fwd_parse_timer_period(optarg);
653 if (timer_period < 0) {
654 printf("invalid timer period\n");
655 l2fwd_usage(prgname);
660 /* For thousands separator in printf. */
662 setlocale(LC_ALL, "");
667 l2fwd_usage(prgname);
671 l2fwd_usage(prgname);
677 argv[optind-1] = prgname;
680 optind = 1; /* reset getopt lib */
684 /* Check the link status of all ports in up to 9s, and print them finally */
686 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
688 #define CHECK_INTERVAL 100 /* 100ms */
689 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
691 uint8_t count, all_ports_up, print_flag = 0;
692 struct rte_eth_link link;
694 printf("\nChecking link status");
696 for (count = 0; count <= MAX_CHECK_TIME; count++) {
698 for (portid = 0; portid < port_num; portid++) {
699 if ((port_mask & (1 << portid)) == 0)
701 memset(&link, 0, sizeof(link));
702 rte_eth_link_get_nowait(portid, &link);
703 /* print link status if flag set */
704 if (print_flag == 1) {
705 if (link.link_status)
707 "Port%d Link Up. Speed %u Mbps - %s\n",
708 portid, link.link_speed,
709 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
710 ("full-duplex") : ("half-duplex\n"));
712 printf("Port %d Link Down\n", portid);
715 /* clear all_ports_up flag if any link down */
716 if (link.link_status == ETH_LINK_DOWN) {
721 /* after finally printing all link status, get out */
725 if (all_ports_up == 0) {
728 rte_delay_ms(CHECK_INTERVAL);
731 /* set the print_flag if all ports up or timeout */
732 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
740 main(int argc, char **argv)
742 struct lcore_queue_conf *qconf;
743 struct rte_eth_dev_info dev_info;
744 unsigned lcore_id, rx_lcore_id;
745 unsigned nb_ports_in_mask = 0;
747 char name[RTE_JOBSTATS_NAMESIZE];
749 uint16_t nb_ports_available;
750 uint16_t portid, last_port;
754 ret = rte_eal_init(argc, argv);
756 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
760 /* parse application arguments (after the EAL ones) */
761 ret = l2fwd_parse_args(argc, argv);
763 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
765 rte_timer_subsystem_init();
767 /* fetch default timer frequency. */
768 hz = rte_get_timer_hz();
770 /* create the mbuf pool */
772 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32,
773 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
774 if (l2fwd_pktmbuf_pool == NULL)
775 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
777 nb_ports = rte_eth_dev_count();
779 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
781 /* reset l2fwd_dst_ports */
782 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
783 l2fwd_dst_ports[portid] = 0;
787 * Each logical core is assigned a dedicated TX queue on each port.
789 for (portid = 0; portid < nb_ports; portid++) {
790 /* skip ports that are not enabled */
791 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
794 if (nb_ports_in_mask % 2) {
795 l2fwd_dst_ports[portid] = last_port;
796 l2fwd_dst_ports[last_port] = portid;
802 rte_eth_dev_info_get(portid, &dev_info);
804 if (nb_ports_in_mask % 2) {
805 printf("Notice: odd number of ports in portmask.\n");
806 l2fwd_dst_ports[last_port] = last_port;
812 /* Initialize the port/queue configuration of each logical core */
813 for (portid = 0; portid < nb_ports; portid++) {
814 /* skip ports that are not enabled */
815 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
818 /* get the lcore_id for this port */
819 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
820 lcore_queue_conf[rx_lcore_id].n_rx_port ==
821 l2fwd_rx_queue_per_lcore) {
823 if (rx_lcore_id >= RTE_MAX_LCORE)
824 rte_exit(EXIT_FAILURE, "Not enough cores\n");
827 if (qconf != &lcore_queue_conf[rx_lcore_id])
828 /* Assigned a new logical core in the loop above. */
829 qconf = &lcore_queue_conf[rx_lcore_id];
831 qconf->rx_port_list[qconf->n_rx_port] = portid;
833 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
836 nb_ports_available = nb_ports;
838 /* Initialise each port */
839 for (portid = 0; portid < nb_ports; portid++) {
840 /* skip ports that are not enabled */
841 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
842 printf("Skipping disabled port %u\n", portid);
843 nb_ports_available--;
847 printf("Initializing port %u... ", portid);
849 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
851 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
854 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
857 rte_exit(EXIT_FAILURE,
858 "Cannot adjust number of descriptors: err=%d, port=%u\n",
861 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
863 /* init one RX queue */
865 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
866 rte_eth_dev_socket_id(portid),
870 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
873 /* init one TX queue on each port */
875 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
876 rte_eth_dev_socket_id(portid),
879 rte_exit(EXIT_FAILURE,
880 "rte_eth_tx_queue_setup:err=%d, port=%u\n",
883 /* Initialize TX buffers */
884 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
885 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
886 rte_eth_dev_socket_id(portid));
887 if (tx_buffer[portid] == NULL)
888 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
891 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
893 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
894 rte_eth_tx_buffer_count_callback,
895 &port_statistics[portid].dropped);
897 rte_exit(EXIT_FAILURE,
898 "Cannot set error callback for tx buffer on port %u\n",
902 ret = rte_eth_dev_start(portid);
904 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
909 rte_eth_promiscuous_enable(portid);
911 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
913 l2fwd_ports_eth_addr[portid].addr_bytes[0],
914 l2fwd_ports_eth_addr[portid].addr_bytes[1],
915 l2fwd_ports_eth_addr[portid].addr_bytes[2],
916 l2fwd_ports_eth_addr[portid].addr_bytes[3],
917 l2fwd_ports_eth_addr[portid].addr_bytes[4],
918 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
920 /* initialize port stats */
921 memset(&port_statistics, 0, sizeof(port_statistics));
924 if (!nb_ports_available) {
925 rte_exit(EXIT_FAILURE,
926 "All available ports are disabled. Please set portmask.\n");
929 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
931 drain_tsc = (hz + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
933 RTE_LCORE_FOREACH(lcore_id) {
934 qconf = &lcore_queue_conf[lcore_id];
936 rte_spinlock_init(&qconf->lock);
938 if (rte_jobstats_context_init(&qconf->jobs_context) != 0)
939 rte_panic("Jobs stats context for core %u init failed\n", lcore_id);
941 if (qconf->n_rx_port == 0) {
943 "lcore %u: no ports so no jobs stats context initialization\n",
948 * Set fixed period by setting min = max = initial period. Set target to
949 * zero as it is irrelevant for this job. */
950 rte_jobstats_init(&qconf->flush_job, "flush", drain_tsc, drain_tsc,
953 rte_timer_init(&qconf->flush_timer);
954 ret = rte_timer_reset(&qconf->flush_timer, drain_tsc, PERIODICAL,
955 lcore_id, &l2fwd_flush_job, NULL);
958 rte_exit(1, "Failed to reset flush job timer for lcore %u: %s",
959 lcore_id, rte_strerror(-ret));
962 for (i = 0; i < qconf->n_rx_port; i++) {
963 struct rte_jobstats *job = &qconf->port_fwd_jobs[i];
965 portid = qconf->rx_port_list[i];
966 printf("Setting forward job for port %u\n", portid);
968 snprintf(name, RTE_DIM(name), "port %u fwd", portid);
969 /* Setup forward job.
970 * Set min, max and initial period. Set target to MAX_PKT_BURST as
971 * this is desired optimal RX/TX burst size. */
972 rte_jobstats_init(job, name, 0, drain_tsc, 0, MAX_PKT_BURST);
973 rte_jobstats_set_update_period_function(job, l2fwd_job_update_cb);
975 rte_timer_init(&qconf->rx_timers[i]);
976 ret = rte_timer_reset(&qconf->rx_timers[i], 0, PERIODICAL, lcore_id,
977 &l2fwd_fwd_job, (void *)(uintptr_t)i);
980 rte_exit(1, "Failed to reset lcore %u port %u job timer: %s",
981 lcore_id, qconf->rx_port_list[i], rte_strerror(-ret));
987 rte_eal_alarm_set(timer_period * MS_PER_S, show_stats_cb, NULL);
989 RTE_LOG(INFO, L2FWD, "Stats display disabled\n");
991 /* launch per-lcore init on every lcore */
992 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER);
993 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
994 if (rte_eal_wait_lcore(lcore_id) < 0)