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 1024
50 #define RTE_TEST_TX_DESC_DEFAULT 1024
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 rte_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 struct rte_eth_conf port_conf = {
95 .mq_mode = ETH_MQ_TX_NONE,
99 struct rte_mempool *l2fwd_pktmbuf_pool = NULL;
101 /* Per-port statistics struct */
102 struct l2fwd_port_statistics {
106 } __rte_cache_aligned;
107 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
110 #define MAX_TIMER_PERIOD 86400
111 /* default period is 10 seconds */
112 static int64_t timer_period = 10;
113 /* default timer frequency */
115 /* BURST_TX_DRAIN_US converted to cycles */
117 /* Convert cycles to ns */
119 cycles_to_ns(uint64_t cycles)
123 t *= (double)NS_PER_S;
129 show_lcore_stats(unsigned lcore_id)
131 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
132 struct rte_jobstats_context *ctx = &qconf->jobs_context;
133 struct rte_jobstats *job;
136 /* LCore statistics. */
137 uint64_t stats_period, loop_count;
138 uint64_t exec, exec_min, exec_max;
139 uint64_t management, management_min, management_max;
140 uint64_t busy, busy_min, busy_max;
142 /* Jobs statistics. */
143 const uint16_t port_cnt = qconf->n_rx_port;
144 uint64_t jobs_exec_cnt[port_cnt], jobs_period[port_cnt];
145 uint64_t jobs_exec[port_cnt], jobs_exec_min[port_cnt],
146 jobs_exec_max[port_cnt];
148 uint64_t flush_exec_cnt, flush_period;
149 uint64_t flush_exec, flush_exec_min, flush_exec_max;
151 uint64_t idle_exec_cnt;
152 uint64_t idle_exec, idle_exec_min, idle_exec_max;
153 uint64_t collection_time = rte_get_timer_cycles();
155 /* Ask forwarding thread to give us stats. */
156 rte_atomic16_set(&qconf->stats_read_pending, 1);
157 rte_spinlock_lock(&qconf->lock);
158 rte_atomic16_set(&qconf->stats_read_pending, 0);
160 /* Collect context statistics. */
161 stats_period = ctx->state_time - ctx->start_time;
162 loop_count = ctx->loop_cnt;
164 exec = ctx->exec_time;
165 exec_min = ctx->min_exec_time;
166 exec_max = ctx->max_exec_time;
168 management = ctx->management_time;
169 management_min = ctx->min_management_time;
170 management_max = ctx->max_management_time;
172 rte_jobstats_context_reset(ctx);
174 for (i = 0; i < port_cnt; i++) {
175 job = &qconf->port_fwd_jobs[i];
177 jobs_exec_cnt[i] = job->exec_cnt;
178 jobs_period[i] = job->period;
180 jobs_exec[i] = job->exec_time;
181 jobs_exec_min[i] = job->min_exec_time;
182 jobs_exec_max[i] = job->max_exec_time;
184 rte_jobstats_reset(job);
187 flush_exec_cnt = qconf->flush_job.exec_cnt;
188 flush_period = qconf->flush_job.period;
189 flush_exec = qconf->flush_job.exec_time;
190 flush_exec_min = qconf->flush_job.min_exec_time;
191 flush_exec_max = qconf->flush_job.max_exec_time;
192 rte_jobstats_reset(&qconf->flush_job);
194 idle_exec_cnt = qconf->idle_job.exec_cnt;
195 idle_exec = qconf->idle_job.exec_time;
196 idle_exec_min = qconf->idle_job.min_exec_time;
197 idle_exec_max = qconf->idle_job.max_exec_time;
198 rte_jobstats_reset(&qconf->idle_job);
200 rte_spinlock_unlock(&qconf->lock);
203 busy = exec + management;
204 busy_min = exec_min + management_min;
205 busy_max = exec_max + management_max;
208 collection_time = rte_get_timer_cycles() - collection_time;
210 #define STAT_FMT "\n%-18s %'14.0f %6.1f%% %'10.0f %'10.0f %'10.0f"
212 printf("\n----------------"
213 "\nLCore %3u: statistics (time in ns, collected in %'9.0f)"
214 "\n%-18s %14s %7s %10s %10s %10s "
216 "\n%-18s %'14" PRIu64
218 STAT_FMT /* Management */
221 lcore_id, cycles_to_ns(collection_time),
222 "Stat type", "total", "%total", "avg", "min", "max",
223 "Stats duration:", cycles_to_ns(stats_period),
224 "Loop count:", loop_count,
226 cycles_to_ns(exec), exec * 100.0 / stats_period,
227 cycles_to_ns(loop_count ? exec / loop_count : 0),
228 cycles_to_ns(exec_min),
229 cycles_to_ns(exec_max),
231 cycles_to_ns(management), management * 100.0 / stats_period,
232 cycles_to_ns(loop_count ? management / loop_count : 0),
233 cycles_to_ns(management_min),
234 cycles_to_ns(management_max),
236 cycles_to_ns(busy), busy * 100.0 / stats_period,
237 cycles_to_ns(loop_count ? busy / loop_count : 0),
238 cycles_to_ns(busy_min),
239 cycles_to_ns(busy_max),
241 cycles_to_ns(idle_exec), idle_exec * 100.0 / stats_period,
242 cycles_to_ns(idle_exec_cnt ? idle_exec / idle_exec_cnt : 0),
243 cycles_to_ns(idle_exec_min),
244 cycles_to_ns(idle_exec_max));
246 for (i = 0; i < qconf->n_rx_port; i++) {
247 job = &qconf->port_fwd_jobs[i];
248 printf("\n\nJob %" PRIu32 ": %-20s "
249 "\n%-18s %'14" PRIu64
253 "Exec count:", jobs_exec_cnt[i],
254 "Exec period: ", cycles_to_ns(jobs_period[i]),
256 cycles_to_ns(jobs_exec[i]), jobs_exec[i] * 100.0 / stats_period,
257 cycles_to_ns(jobs_exec_cnt[i] ? jobs_exec[i] / jobs_exec_cnt[i]
259 cycles_to_ns(jobs_exec_min[i]),
260 cycles_to_ns(jobs_exec_max[i]));
263 if (qconf->n_rx_port > 0) {
264 job = &qconf->flush_job;
265 printf("\n\nJob %" PRIu32 ": %-20s "
266 "\n%-18s %'14" PRIu64
270 "Exec count:", flush_exec_cnt,
271 "Exec period: ", cycles_to_ns(flush_period),
273 cycles_to_ns(flush_exec), flush_exec * 100.0 / stats_period,
274 cycles_to_ns(flush_exec_cnt ? flush_exec / flush_exec_cnt : 0),
275 cycles_to_ns(flush_exec_min),
276 cycles_to_ns(flush_exec_max));
280 /* Print out statistics on packets dropped */
282 show_stats_cb(__rte_unused void *param)
284 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
285 unsigned portid, lcore_id;
287 total_packets_dropped = 0;
288 total_packets_tx = 0;
289 total_packets_rx = 0;
291 const char clr[] = { 27, '[', '2', 'J', '\0' };
292 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
294 /* Clear screen and move to top left */
296 "\nPort statistics ===================================",
299 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
300 /* skip disabled ports */
301 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
303 printf("\nStatistics for port %u ------------------------------"
304 "\nPackets sent: %24"PRIu64
305 "\nPackets received: %20"PRIu64
306 "\nPackets dropped: %21"PRIu64,
308 port_statistics[portid].tx,
309 port_statistics[portid].rx,
310 port_statistics[portid].dropped);
312 total_packets_dropped += port_statistics[portid].dropped;
313 total_packets_tx += port_statistics[portid].tx;
314 total_packets_rx += port_statistics[portid].rx;
317 printf("\nAggregate statistics ==============================="
318 "\nTotal packets sent: %18"PRIu64
319 "\nTotal packets received: %14"PRIu64
320 "\nTotal packets dropped: %15"PRIu64
321 "\n====================================================",
324 total_packets_dropped);
326 RTE_LCORE_FOREACH(lcore_id) {
327 if (lcore_queue_conf[lcore_id].n_rx_port > 0)
328 show_lcore_stats(lcore_id);
331 printf("\n====================================================\n");
335 rte_eal_alarm_set(timer_period * US_PER_S, show_stats_cb, NULL);
339 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
341 struct rte_ether_hdr *eth;
345 struct rte_eth_dev_tx_buffer *buffer;
347 dst_port = l2fwd_dst_ports[portid];
348 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
350 /* 02:00:00:00:00:xx */
351 tmp = ð->d_addr.addr_bytes[0];
352 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
355 rte_ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr);
357 buffer = tx_buffer[dst_port];
358 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
360 port_statistics[dst_port].tx += sent;
364 l2fwd_job_update_cb(struct rte_jobstats *job, int64_t result)
366 int64_t err = job->target - result;
367 int64_t histeresis = job->target / 8;
369 if (err < -histeresis) {
370 if (job->min_period + UPDATE_STEP_DOWN < job->period)
371 job->period -= UPDATE_STEP_DOWN;
372 } else if (err > histeresis) {
373 if (job->period + UPDATE_STEP_UP < job->max_period)
374 job->period += UPDATE_STEP_UP;
379 l2fwd_fwd_job(__rte_unused struct rte_timer *timer, void *arg)
381 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
384 const uint16_t port_idx = (uintptr_t) arg;
385 const unsigned lcore_id = rte_lcore_id();
386 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
387 struct rte_jobstats *job = &qconf->port_fwd_jobs[port_idx];
388 const uint16_t portid = qconf->rx_port_list[port_idx];
391 uint16_t total_nb_rx;
393 rte_jobstats_start(&qconf->jobs_context, job);
395 /* Call rx burst 2 times. This allow rte_jobstats logic to see if this
396 * function must be called more frequently. */
398 total_nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
401 for (j = 0; j < total_nb_rx; j++) {
403 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
404 l2fwd_simple_forward(m, portid);
407 if (total_nb_rx == MAX_PKT_BURST) {
408 const uint16_t nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
411 total_nb_rx += nb_rx;
412 for (j = 0; j < nb_rx; j++) {
414 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
415 l2fwd_simple_forward(m, portid);
419 port_statistics[portid].rx += total_nb_rx;
421 /* Adjust period time in which we are running here. */
422 if (rte_jobstats_finish(job, total_nb_rx) != 0) {
423 rte_timer_reset(&qconf->rx_timers[port_idx], job->period, PERIODICAL,
424 lcore_id, l2fwd_fwd_job, arg);
429 l2fwd_flush_job(__rte_unused struct rte_timer *timer, __rte_unused void *arg)
433 struct lcore_queue_conf *qconf;
437 struct rte_eth_dev_tx_buffer *buffer;
439 lcore_id = rte_lcore_id();
440 qconf = &lcore_queue_conf[lcore_id];
442 rte_jobstats_start(&qconf->jobs_context, &qconf->flush_job);
444 now = rte_get_timer_cycles();
445 lcore_id = rte_lcore_id();
446 qconf = &lcore_queue_conf[lcore_id];
448 for (i = 0; i < qconf->n_rx_port; i++) {
449 portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
451 if (qconf->next_flush_time[portid] <= now)
454 buffer = tx_buffer[portid];
455 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
457 port_statistics[portid].tx += sent;
459 qconf->next_flush_time[portid] = rte_get_timer_cycles() + drain_tsc;
462 /* Pass target to indicate that this job is happy of time interwal
463 * in which it was called. */
464 rte_jobstats_finish(&qconf->flush_job, qconf->flush_job.target);
467 /* main processing loop */
469 l2fwd_main_loop(void)
473 struct lcore_queue_conf *qconf;
474 uint8_t stats_read_pending = 0;
477 lcore_id = rte_lcore_id();
478 qconf = &lcore_queue_conf[lcore_id];
480 if (qconf->n_rx_port == 0) {
481 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
485 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
487 for (i = 0; i < qconf->n_rx_port; i++) {
489 portid = qconf->rx_port_list[i];
490 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
494 rte_jobstats_init(&qconf->idle_job, "idle", 0, 0, 0, 0);
497 rte_spinlock_lock(&qconf->lock);
500 rte_jobstats_context_start(&qconf->jobs_context);
503 * - Read stats_read_pending flag
504 * - check if some real job need to be executed
506 rte_jobstats_start(&qconf->jobs_context, &qconf->idle_job);
508 uint64_t repeats = 0;
512 uint64_t now = rte_get_timer_cycles();
515 need_manage = qconf->flush_timer.expire < now;
516 /* Check if we was esked to give a stats. */
518 rte_atomic16_read(&qconf->stats_read_pending);
519 need_manage |= stats_read_pending;
521 for (i = 0; i < qconf->n_rx_port && !need_manage; i++)
522 need_manage = qconf->rx_timers[i].expire < now;
524 } while (!need_manage);
526 if (likely(repeats != 1))
527 rte_jobstats_finish(&qconf->idle_job, qconf->idle_job.target);
529 rte_jobstats_abort(&qconf->idle_job);
532 rte_jobstats_context_finish(&qconf->jobs_context);
533 } while (likely(stats_read_pending == 0));
535 rte_spinlock_unlock(&qconf->lock);
541 l2fwd_launch_one_lcore(__rte_unused void *dummy)
549 l2fwd_usage(const char *prgname)
551 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
552 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
553 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
554 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
555 " -l set system default locale instead of default (\"C\" locale) for thousands separator in stats.",
560 l2fwd_parse_portmask(const char *portmask)
565 /* parse hexadecimal string */
566 pm = strtoul(portmask, &end, 16);
567 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
577 l2fwd_parse_nqueue(const char *q_arg)
582 /* parse hexadecimal string */
583 n = strtoul(q_arg, &end, 10);
584 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
588 if (n >= MAX_RX_QUEUE_PER_LCORE)
595 l2fwd_parse_timer_period(const char *q_arg)
600 /* parse number string */
601 n = strtol(q_arg, &end, 10);
602 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
604 if (n >= MAX_TIMER_PERIOD)
610 /* Parse the argument given in the command line of the application */
612 l2fwd_parse_args(int argc, char **argv)
617 char *prgname = argv[0];
618 static struct option lgopts[] = {
624 while ((opt = getopt_long(argc, argvopt, "p:q:T:l",
625 lgopts, &option_index)) != EOF) {
630 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
631 if (l2fwd_enabled_port_mask == 0) {
632 printf("invalid portmask\n");
633 l2fwd_usage(prgname);
640 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
641 if (l2fwd_rx_queue_per_lcore == 0) {
642 printf("invalid queue number\n");
643 l2fwd_usage(prgname);
650 timer_period = l2fwd_parse_timer_period(optarg);
651 if (timer_period < 0) {
652 printf("invalid timer period\n");
653 l2fwd_usage(prgname);
658 /* For thousands separator in printf. */
660 setlocale(LC_ALL, "");
665 l2fwd_usage(prgname);
669 l2fwd_usage(prgname);
675 argv[optind-1] = prgname;
678 optind = 1; /* reset getopt lib */
682 /* Check the link status of all ports in up to 9s, and print them finally */
684 check_all_ports_link_status(uint32_t port_mask)
686 #define CHECK_INTERVAL 100 /* 100ms */
687 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
689 uint8_t count, all_ports_up, print_flag = 0;
690 struct rte_eth_link link;
693 printf("\nChecking link status");
695 for (count = 0; count <= MAX_CHECK_TIME; count++) {
697 RTE_ETH_FOREACH_DEV(portid) {
698 if ((port_mask & (1 << portid)) == 0)
700 memset(&link, 0, sizeof(link));
701 ret = rte_eth_link_get_nowait(portid, &link);
705 printf("Port %u link get failed: %s\n",
706 portid, rte_strerror(-ret));
709 /* print link status if flag set */
710 if (print_flag == 1) {
711 if (link.link_status)
713 "Port%d Link Up. Speed %u Mbps - %s\n",
714 portid, link.link_speed,
715 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
716 ("full-duplex") : ("half-duplex"));
718 printf("Port %d Link Down\n", portid);
721 /* clear all_ports_up flag if any link down */
722 if (link.link_status == ETH_LINK_DOWN) {
727 /* after finally printing all link status, get out */
731 if (all_ports_up == 0) {
734 rte_delay_ms(CHECK_INTERVAL);
737 /* set the print_flag if all ports up or timeout */
738 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
746 main(int argc, char **argv)
748 struct lcore_queue_conf *qconf;
749 unsigned lcore_id, rx_lcore_id;
750 unsigned nb_ports_in_mask = 0;
752 char name[RTE_JOBSTATS_NAMESIZE];
754 uint16_t nb_ports_available = 0;
755 uint16_t portid, last_port;
759 ret = rte_eal_init(argc, argv);
761 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
765 /* parse application arguments (after the EAL ones) */
766 ret = l2fwd_parse_args(argc, argv);
768 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
770 rte_timer_subsystem_init();
772 /* fetch default timer frequency. */
773 hz = rte_get_timer_hz();
775 /* create the mbuf pool */
777 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32,
778 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
779 if (l2fwd_pktmbuf_pool == NULL)
780 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
782 nb_ports = rte_eth_dev_count_avail();
784 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
786 /* reset l2fwd_dst_ports */
787 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
788 l2fwd_dst_ports[portid] = 0;
792 * Each logical core is assigned a dedicated TX queue on each port.
794 RTE_ETH_FOREACH_DEV(portid) {
795 /* skip ports that are not enabled */
796 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
799 if (nb_ports_in_mask % 2) {
800 l2fwd_dst_ports[portid] = last_port;
801 l2fwd_dst_ports[last_port] = portid;
807 if (nb_ports_in_mask % 2) {
808 printf("Notice: odd number of ports in portmask.\n");
809 l2fwd_dst_ports[last_port] = last_port;
815 /* Initialize the port/queue configuration of each logical core */
816 RTE_ETH_FOREACH_DEV(portid) {
817 /* skip ports that are not enabled */
818 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
821 /* get the lcore_id for this port */
822 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
823 lcore_queue_conf[rx_lcore_id].n_rx_port ==
824 l2fwd_rx_queue_per_lcore) {
826 if (rx_lcore_id >= RTE_MAX_LCORE)
827 rte_exit(EXIT_FAILURE, "Not enough cores\n");
830 if (qconf != &lcore_queue_conf[rx_lcore_id])
831 /* Assigned a new logical core in the loop above. */
832 qconf = &lcore_queue_conf[rx_lcore_id];
834 qconf->rx_port_list[qconf->n_rx_port] = portid;
836 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
839 /* Initialise each port */
840 RTE_ETH_FOREACH_DEV(portid) {
841 struct rte_eth_dev_info dev_info;
842 struct rte_eth_rxconf rxq_conf;
843 struct rte_eth_txconf txq_conf;
844 struct rte_eth_conf local_port_conf = port_conf;
846 /* skip ports that are not enabled */
847 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
848 printf("Skipping disabled port %u\n", portid);
851 nb_ports_available++;
854 printf("Initializing port %u... ", portid);
857 ret = rte_eth_dev_info_get(portid, &dev_info);
859 rte_exit(EXIT_FAILURE,
860 "Error during getting device (port %u) info: %s\n",
861 portid, strerror(-ret));
863 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
864 local_port_conf.txmode.offloads |=
865 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
866 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
868 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
871 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
874 rte_exit(EXIT_FAILURE,
875 "Cannot adjust number of descriptors: err=%d, port=%u\n",
878 ret = rte_eth_macaddr_get(portid,
879 &l2fwd_ports_eth_addr[portid]);
881 rte_exit(EXIT_FAILURE,
882 "Cannot get MAC address: err=%d, port=%u\n",
885 /* init one RX queue */
887 rxq_conf = dev_info.default_rxconf;
888 rxq_conf.offloads = local_port_conf.rxmode.offloads;
889 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
890 rte_eth_dev_socket_id(portid),
894 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
897 /* init one TX queue on each port */
898 txq_conf = dev_info.default_txconf;
899 txq_conf.offloads = local_port_conf.txmode.offloads;
901 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
902 rte_eth_dev_socket_id(portid),
905 rte_exit(EXIT_FAILURE,
906 "rte_eth_tx_queue_setup:err=%d, port=%u\n",
909 /* Initialize TX buffers */
910 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
911 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
912 rte_eth_dev_socket_id(portid));
913 if (tx_buffer[portid] == NULL)
914 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
917 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
919 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
920 rte_eth_tx_buffer_count_callback,
921 &port_statistics[portid].dropped);
923 rte_exit(EXIT_FAILURE,
924 "Cannot set error callback for tx buffer on port %u\n",
928 ret = rte_eth_dev_start(portid);
930 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
935 ret = rte_eth_promiscuous_enable(portid);
937 rte_exit(EXIT_FAILURE,
938 "rte_eth_promiscuous_enable:err=%s, port=%u\n",
939 rte_strerror(-ret), portid);
944 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
946 l2fwd_ports_eth_addr[portid].addr_bytes[0],
947 l2fwd_ports_eth_addr[portid].addr_bytes[1],
948 l2fwd_ports_eth_addr[portid].addr_bytes[2],
949 l2fwd_ports_eth_addr[portid].addr_bytes[3],
950 l2fwd_ports_eth_addr[portid].addr_bytes[4],
951 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
953 /* initialize port stats */
954 memset(&port_statistics, 0, sizeof(port_statistics));
957 if (!nb_ports_available) {
958 rte_exit(EXIT_FAILURE,
959 "All available ports are disabled. Please set portmask.\n");
962 check_all_ports_link_status(l2fwd_enabled_port_mask);
964 drain_tsc = (hz + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
966 RTE_LCORE_FOREACH(lcore_id) {
967 qconf = &lcore_queue_conf[lcore_id];
969 rte_spinlock_init(&qconf->lock);
971 if (rte_jobstats_context_init(&qconf->jobs_context) != 0)
972 rte_panic("Jobs stats context for core %u init failed\n", lcore_id);
974 if (qconf->n_rx_port == 0) {
976 "lcore %u: no ports so no jobs stats context initialization\n",
981 * Set fixed period by setting min = max = initial period. Set target to
982 * zero as it is irrelevant for this job. */
983 rte_jobstats_init(&qconf->flush_job, "flush", drain_tsc, drain_tsc,
986 rte_timer_init(&qconf->flush_timer);
987 ret = rte_timer_reset(&qconf->flush_timer, drain_tsc, PERIODICAL,
988 lcore_id, &l2fwd_flush_job, NULL);
991 rte_exit(1, "Failed to reset flush job timer for lcore %u: %s",
992 lcore_id, rte_strerror(-ret));
995 for (i = 0; i < qconf->n_rx_port; i++) {
996 struct rte_jobstats *job = &qconf->port_fwd_jobs[i];
998 portid = qconf->rx_port_list[i];
999 printf("Setting forward job for port %u\n", portid);
1001 snprintf(name, RTE_DIM(name), "port %u fwd", portid);
1002 /* Setup forward job.
1003 * Set min, max and initial period. Set target to MAX_PKT_BURST as
1004 * this is desired optimal RX/TX burst size. */
1005 rte_jobstats_init(job, name, 0, drain_tsc, 0, MAX_PKT_BURST);
1006 rte_jobstats_set_update_period_function(job, l2fwd_job_update_cb);
1008 rte_timer_init(&qconf->rx_timers[i]);
1009 ret = rte_timer_reset(&qconf->rx_timers[i], 0, PERIODICAL, lcore_id,
1010 &l2fwd_fwd_job, (void *)(uintptr_t)i);
1013 rte_exit(1, "Failed to reset lcore %u port %u job timer: %s",
1014 lcore_id, qconf->rx_port_list[i], rte_strerror(-ret));
1020 rte_eal_alarm_set(timer_period * MS_PER_S, show_stats_cb, NULL);
1022 RTE_LOG(INFO, L2FWD, "Stats display disabled\n");
1024 /* launch per-lcore init on every lcore */
1025 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER);
1026 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1027 if (rte_eal_wait_lcore(lcore_id) < 0)