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 struct rte_eth_conf port_conf = {
93 .ignore_offload_bitfield = 1,
94 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
97 .mq_mode = ETH_MQ_TX_NONE,
101 struct rte_mempool *l2fwd_pktmbuf_pool = NULL;
103 /* Per-port statistics struct */
104 struct l2fwd_port_statistics {
108 } __rte_cache_aligned;
109 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
112 #define MAX_TIMER_PERIOD 86400
113 /* default period is 10 seconds */
114 static int64_t timer_period = 10;
115 /* default timer frequency */
117 /* BURST_TX_DRAIN_US converted to cycles */
119 /* Convert cycles to ns */
121 cycles_to_ns(uint64_t cycles)
125 t *= (double)NS_PER_S;
131 show_lcore_stats(unsigned lcore_id)
133 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
134 struct rte_jobstats_context *ctx = &qconf->jobs_context;
135 struct rte_jobstats *job;
138 /* LCore statistics. */
139 uint64_t stats_period, loop_count;
140 uint64_t exec, exec_min, exec_max;
141 uint64_t management, management_min, management_max;
142 uint64_t busy, busy_min, busy_max;
144 /* Jobs statistics. */
145 const uint16_t port_cnt = qconf->n_rx_port;
146 uint64_t jobs_exec_cnt[port_cnt], jobs_period[port_cnt];
147 uint64_t jobs_exec[port_cnt], jobs_exec_min[port_cnt],
148 jobs_exec_max[port_cnt];
150 uint64_t flush_exec_cnt, flush_period;
151 uint64_t flush_exec, flush_exec_min, flush_exec_max;
153 uint64_t idle_exec_cnt;
154 uint64_t idle_exec, idle_exec_min, idle_exec_max;
155 uint64_t collection_time = rte_get_timer_cycles();
157 /* Ask forwarding thread to give us stats. */
158 rte_atomic16_set(&qconf->stats_read_pending, 1);
159 rte_spinlock_lock(&qconf->lock);
160 rte_atomic16_set(&qconf->stats_read_pending, 0);
162 /* Collect context statistics. */
163 stats_period = ctx->state_time - ctx->start_time;
164 loop_count = ctx->loop_cnt;
166 exec = ctx->exec_time;
167 exec_min = ctx->min_exec_time;
168 exec_max = ctx->max_exec_time;
170 management = ctx->management_time;
171 management_min = ctx->min_management_time;
172 management_max = ctx->max_management_time;
174 rte_jobstats_context_reset(ctx);
176 for (i = 0; i < port_cnt; i++) {
177 job = &qconf->port_fwd_jobs[i];
179 jobs_exec_cnt[i] = job->exec_cnt;
180 jobs_period[i] = job->period;
182 jobs_exec[i] = job->exec_time;
183 jobs_exec_min[i] = job->min_exec_time;
184 jobs_exec_max[i] = job->max_exec_time;
186 rte_jobstats_reset(job);
189 flush_exec_cnt = qconf->flush_job.exec_cnt;
190 flush_period = qconf->flush_job.period;
191 flush_exec = qconf->flush_job.exec_time;
192 flush_exec_min = qconf->flush_job.min_exec_time;
193 flush_exec_max = qconf->flush_job.max_exec_time;
194 rte_jobstats_reset(&qconf->flush_job);
196 idle_exec_cnt = qconf->idle_job.exec_cnt;
197 idle_exec = qconf->idle_job.exec_time;
198 idle_exec_min = qconf->idle_job.min_exec_time;
199 idle_exec_max = qconf->idle_job.max_exec_time;
200 rte_jobstats_reset(&qconf->idle_job);
202 rte_spinlock_unlock(&qconf->lock);
205 busy = exec + management;
206 busy_min = exec_min + management_min;
207 busy_max = exec_max + management_max;
210 collection_time = rte_get_timer_cycles() - collection_time;
212 #define STAT_FMT "\n%-18s %'14.0f %6.1f%% %'10.0f %'10.0f %'10.0f"
214 printf("\n----------------"
215 "\nLCore %3u: statistics (time in ns, collected in %'9.0f)"
216 "\n%-18s %14s %7s %10s %10s %10s "
218 "\n%-18s %'14" PRIu64
220 STAT_FMT /* Management */
223 lcore_id, cycles_to_ns(collection_time),
224 "Stat type", "total", "%total", "avg", "min", "max",
225 "Stats duration:", cycles_to_ns(stats_period),
226 "Loop count:", loop_count,
228 cycles_to_ns(exec), exec * 100.0 / stats_period,
229 cycles_to_ns(loop_count ? exec / loop_count : 0),
230 cycles_to_ns(exec_min),
231 cycles_to_ns(exec_max),
233 cycles_to_ns(management), management * 100.0 / stats_period,
234 cycles_to_ns(loop_count ? management / loop_count : 0),
235 cycles_to_ns(management_min),
236 cycles_to_ns(management_max),
238 cycles_to_ns(busy), busy * 100.0 / stats_period,
239 cycles_to_ns(loop_count ? busy / loop_count : 0),
240 cycles_to_ns(busy_min),
241 cycles_to_ns(busy_max),
243 cycles_to_ns(idle_exec), idle_exec * 100.0 / stats_period,
244 cycles_to_ns(idle_exec_cnt ? idle_exec / idle_exec_cnt : 0),
245 cycles_to_ns(idle_exec_min),
246 cycles_to_ns(idle_exec_max));
248 for (i = 0; i < qconf->n_rx_port; i++) {
249 job = &qconf->port_fwd_jobs[i];
250 printf("\n\nJob %" PRIu32 ": %-20s "
251 "\n%-18s %'14" PRIu64
255 "Exec count:", jobs_exec_cnt[i],
256 "Exec period: ", cycles_to_ns(jobs_period[i]),
258 cycles_to_ns(jobs_exec[i]), jobs_exec[i] * 100.0 / stats_period,
259 cycles_to_ns(jobs_exec_cnt[i] ? jobs_exec[i] / jobs_exec_cnt[i]
261 cycles_to_ns(jobs_exec_min[i]),
262 cycles_to_ns(jobs_exec_max[i]));
265 if (qconf->n_rx_port > 0) {
266 job = &qconf->flush_job;
267 printf("\n\nJob %" PRIu32 ": %-20s "
268 "\n%-18s %'14" PRIu64
272 "Exec count:", flush_exec_cnt,
273 "Exec period: ", cycles_to_ns(flush_period),
275 cycles_to_ns(flush_exec), flush_exec * 100.0 / stats_period,
276 cycles_to_ns(flush_exec_cnt ? flush_exec / flush_exec_cnt : 0),
277 cycles_to_ns(flush_exec_min),
278 cycles_to_ns(flush_exec_max));
282 /* Print out statistics on packets dropped */
284 show_stats_cb(__rte_unused void *param)
286 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
287 unsigned portid, lcore_id;
289 total_packets_dropped = 0;
290 total_packets_tx = 0;
291 total_packets_rx = 0;
293 const char clr[] = { 27, '[', '2', 'J', '\0' };
294 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
296 /* Clear screen and move to top left */
298 "\nPort statistics ===================================",
301 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
302 /* skip disabled ports */
303 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
305 printf("\nStatistics for port %u ------------------------------"
306 "\nPackets sent: %24"PRIu64
307 "\nPackets received: %20"PRIu64
308 "\nPackets dropped: %21"PRIu64,
310 port_statistics[portid].tx,
311 port_statistics[portid].rx,
312 port_statistics[portid].dropped);
314 total_packets_dropped += port_statistics[portid].dropped;
315 total_packets_tx += port_statistics[portid].tx;
316 total_packets_rx += port_statistics[portid].rx;
319 printf("\nAggregate statistics ==============================="
320 "\nTotal packets sent: %18"PRIu64
321 "\nTotal packets received: %14"PRIu64
322 "\nTotal packets dropped: %15"PRIu64
323 "\n====================================================",
326 total_packets_dropped);
328 RTE_LCORE_FOREACH(lcore_id) {
329 if (lcore_queue_conf[lcore_id].n_rx_port > 0)
330 show_lcore_stats(lcore_id);
333 printf("\n====================================================\n");
334 rte_eal_alarm_set(timer_period * US_PER_S, show_stats_cb, NULL);
338 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
340 struct ether_hdr *eth;
344 struct rte_eth_dev_tx_buffer *buffer;
346 dst_port = l2fwd_dst_ports[portid];
347 eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
349 /* 02:00:00:00:00:xx */
350 tmp = ð->d_addr.addr_bytes[0];
351 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
354 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr);
356 buffer = tx_buffer[dst_port];
357 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
359 port_statistics[dst_port].tx += sent;
363 l2fwd_job_update_cb(struct rte_jobstats *job, int64_t result)
365 int64_t err = job->target - result;
366 int64_t histeresis = job->target / 8;
368 if (err < -histeresis) {
369 if (job->min_period + UPDATE_STEP_DOWN < job->period)
370 job->period -= UPDATE_STEP_DOWN;
371 } else if (err > histeresis) {
372 if (job->period + UPDATE_STEP_UP < job->max_period)
373 job->period += UPDATE_STEP_UP;
378 l2fwd_fwd_job(__rte_unused struct rte_timer *timer, void *arg)
380 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
383 const uint16_t port_idx = (uintptr_t) arg;
384 const unsigned lcore_id = rte_lcore_id();
385 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
386 struct rte_jobstats *job = &qconf->port_fwd_jobs[port_idx];
387 const uint16_t portid = qconf->rx_port_list[port_idx];
390 uint16_t total_nb_rx;
392 rte_jobstats_start(&qconf->jobs_context, job);
394 /* Call rx burst 2 times. This allow rte_jobstats logic to see if this
395 * function must be called more frequently. */
397 total_nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
400 for (j = 0; j < total_nb_rx; j++) {
402 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
403 l2fwd_simple_forward(m, portid);
406 if (total_nb_rx == MAX_PKT_BURST) {
407 const uint16_t nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
410 total_nb_rx += nb_rx;
411 for (j = 0; j < nb_rx; j++) {
413 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
414 l2fwd_simple_forward(m, portid);
418 port_statistics[portid].rx += total_nb_rx;
420 /* Adjust period time in which we are running here. */
421 if (rte_jobstats_finish(job, total_nb_rx) != 0) {
422 rte_timer_reset(&qconf->rx_timers[port_idx], job->period, PERIODICAL,
423 lcore_id, l2fwd_fwd_job, arg);
428 l2fwd_flush_job(__rte_unused struct rte_timer *timer, __rte_unused void *arg)
432 struct lcore_queue_conf *qconf;
436 struct rte_eth_dev_tx_buffer *buffer;
438 lcore_id = rte_lcore_id();
439 qconf = &lcore_queue_conf[lcore_id];
441 rte_jobstats_start(&qconf->jobs_context, &qconf->flush_job);
443 now = rte_get_timer_cycles();
444 lcore_id = rte_lcore_id();
445 qconf = &lcore_queue_conf[lcore_id];
447 for (i = 0; i < qconf->n_rx_port; i++) {
448 portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
450 if (qconf->next_flush_time[portid] <= now)
453 buffer = tx_buffer[portid];
454 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
456 port_statistics[portid].tx += sent;
458 qconf->next_flush_time[portid] = rte_get_timer_cycles() + drain_tsc;
461 /* Pass target to indicate that this job is happy of time interwal
462 * in which it was called. */
463 rte_jobstats_finish(&qconf->flush_job, qconf->flush_job.target);
466 /* main processing loop */
468 l2fwd_main_loop(void)
472 struct lcore_queue_conf *qconf;
473 uint8_t stats_read_pending = 0;
476 lcore_id = rte_lcore_id();
477 qconf = &lcore_queue_conf[lcore_id];
479 if (qconf->n_rx_port == 0) {
480 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
484 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
486 for (i = 0; i < qconf->n_rx_port; i++) {
488 portid = qconf->rx_port_list[i];
489 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
493 rte_jobstats_init(&qconf->idle_job, "idle", 0, 0, 0, 0);
496 rte_spinlock_lock(&qconf->lock);
499 rte_jobstats_context_start(&qconf->jobs_context);
502 * - Read stats_read_pending flag
503 * - check if some real job need to be executed
505 rte_jobstats_start(&qconf->jobs_context, &qconf->idle_job);
507 uint64_t repeats = 0;
511 uint64_t now = rte_get_timer_cycles();
514 need_manage = qconf->flush_timer.expire < now;
515 /* Check if we was esked to give a stats. */
517 rte_atomic16_read(&qconf->stats_read_pending);
518 need_manage |= stats_read_pending;
520 for (i = 0; i < qconf->n_rx_port && !need_manage; i++)
521 need_manage = qconf->rx_timers[i].expire < now;
523 } while (!need_manage);
525 if (likely(repeats != 1))
526 rte_jobstats_finish(&qconf->idle_job, qconf->idle_job.target);
528 rte_jobstats_abort(&qconf->idle_job);
531 rte_jobstats_context_finish(&qconf->jobs_context);
532 } while (likely(stats_read_pending == 0));
534 rte_spinlock_unlock(&qconf->lock);
540 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy)
548 l2fwd_usage(const char *prgname)
550 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
551 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
552 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
553 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
554 " -l set system default locale instead of default (\"C\" locale) for thousands separator in stats.",
559 l2fwd_parse_portmask(const char *portmask)
564 /* parse hexadecimal string */
565 pm = strtoul(portmask, &end, 16);
566 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
576 l2fwd_parse_nqueue(const char *q_arg)
581 /* parse hexadecimal string */
582 n = strtoul(q_arg, &end, 10);
583 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
587 if (n >= MAX_RX_QUEUE_PER_LCORE)
594 l2fwd_parse_timer_period(const char *q_arg)
599 /* parse number string */
600 n = strtol(q_arg, &end, 10);
601 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
603 if (n >= MAX_TIMER_PERIOD)
609 /* Parse the argument given in the command line of the application */
611 l2fwd_parse_args(int argc, char **argv)
616 char *prgname = argv[0];
617 static struct option lgopts[] = {
623 while ((opt = getopt_long(argc, argvopt, "p:q:T:l",
624 lgopts, &option_index)) != EOF) {
629 l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
630 if (l2fwd_enabled_port_mask == 0) {
631 printf("invalid portmask\n");
632 l2fwd_usage(prgname);
639 l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
640 if (l2fwd_rx_queue_per_lcore == 0) {
641 printf("invalid queue number\n");
642 l2fwd_usage(prgname);
649 timer_period = l2fwd_parse_timer_period(optarg);
650 if (timer_period < 0) {
651 printf("invalid timer period\n");
652 l2fwd_usage(prgname);
657 /* For thousands separator in printf. */
659 setlocale(LC_ALL, "");
664 l2fwd_usage(prgname);
668 l2fwd_usage(prgname);
674 argv[optind-1] = prgname;
677 optind = 1; /* reset getopt lib */
681 /* Check the link status of all ports in up to 9s, and print them finally */
683 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
685 #define CHECK_INTERVAL 100 /* 100ms */
686 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
688 uint8_t count, all_ports_up, print_flag = 0;
689 struct rte_eth_link link;
691 printf("\nChecking link status");
693 for (count = 0; count <= MAX_CHECK_TIME; count++) {
695 for (portid = 0; portid < port_num; portid++) {
696 if ((port_mask & (1 << portid)) == 0)
698 memset(&link, 0, sizeof(link));
699 rte_eth_link_get_nowait(portid, &link);
700 /* print link status if flag set */
701 if (print_flag == 1) {
702 if (link.link_status)
704 "Port%d Link Up. Speed %u Mbps - %s\n",
705 portid, link.link_speed,
706 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
707 ("full-duplex") : ("half-duplex\n"));
709 printf("Port %d Link Down\n", portid);
712 /* clear all_ports_up flag if any link down */
713 if (link.link_status == ETH_LINK_DOWN) {
718 /* after finally printing all link status, get out */
722 if (all_ports_up == 0) {
725 rte_delay_ms(CHECK_INTERVAL);
728 /* set the print_flag if all ports up or timeout */
729 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
737 main(int argc, char **argv)
739 struct lcore_queue_conf *qconf;
740 unsigned lcore_id, rx_lcore_id;
741 unsigned nb_ports_in_mask = 0;
743 char name[RTE_JOBSTATS_NAMESIZE];
745 uint16_t nb_ports_available;
746 uint16_t portid, last_port;
750 ret = rte_eal_init(argc, argv);
752 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
756 /* parse application arguments (after the EAL ones) */
757 ret = l2fwd_parse_args(argc, argv);
759 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
761 rte_timer_subsystem_init();
763 /* fetch default timer frequency. */
764 hz = rte_get_timer_hz();
766 /* create the mbuf pool */
768 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32,
769 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
770 if (l2fwd_pktmbuf_pool == NULL)
771 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
773 nb_ports = rte_eth_dev_count();
775 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
777 /* reset l2fwd_dst_ports */
778 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
779 l2fwd_dst_ports[portid] = 0;
783 * Each logical core is assigned a dedicated TX queue on each port.
785 for (portid = 0; portid < nb_ports; portid++) {
786 /* skip ports that are not enabled */
787 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
790 if (nb_ports_in_mask % 2) {
791 l2fwd_dst_ports[portid] = last_port;
792 l2fwd_dst_ports[last_port] = portid;
798 if (nb_ports_in_mask % 2) {
799 printf("Notice: odd number of ports in portmask.\n");
800 l2fwd_dst_ports[last_port] = last_port;
806 /* Initialize the port/queue configuration of each logical core */
807 for (portid = 0; portid < nb_ports; portid++) {
808 /* skip ports that are not enabled */
809 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
812 /* get the lcore_id for this port */
813 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
814 lcore_queue_conf[rx_lcore_id].n_rx_port ==
815 l2fwd_rx_queue_per_lcore) {
817 if (rx_lcore_id >= RTE_MAX_LCORE)
818 rte_exit(EXIT_FAILURE, "Not enough cores\n");
821 if (qconf != &lcore_queue_conf[rx_lcore_id])
822 /* Assigned a new logical core in the loop above. */
823 qconf = &lcore_queue_conf[rx_lcore_id];
825 qconf->rx_port_list[qconf->n_rx_port] = portid;
827 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
830 nb_ports_available = nb_ports;
832 /* Initialise each port */
833 for (portid = 0; portid < nb_ports; portid++) {
834 struct rte_eth_dev_info dev_info;
835 struct rte_eth_rxconf rxq_conf;
836 struct rte_eth_txconf txq_conf;
837 struct rte_eth_conf local_port_conf = port_conf;
839 /* skip ports that are not enabled */
840 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
841 printf("Skipping disabled port %u\n", portid);
842 nb_ports_available--;
846 printf("Initializing port %u... ", portid);
848 rte_eth_dev_info_get(portid, &dev_info);
849 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
850 local_port_conf.txmode.offloads |=
851 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
852 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
854 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
857 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
860 rte_exit(EXIT_FAILURE,
861 "Cannot adjust number of descriptors: err=%d, port=%u\n",
864 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
866 /* init one RX queue */
868 rxq_conf = dev_info.default_rxconf;
869 rxq_conf.offloads = local_port_conf.rxmode.offloads;
870 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
871 rte_eth_dev_socket_id(portid),
875 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
878 /* init one TX queue on each port */
879 txq_conf = dev_info.default_txconf;
880 txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
881 txq_conf.offloads = local_port_conf.txmode.offloads;
883 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
884 rte_eth_dev_socket_id(portid),
887 rte_exit(EXIT_FAILURE,
888 "rte_eth_tx_queue_setup:err=%d, port=%u\n",
891 /* Initialize TX buffers */
892 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
893 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
894 rte_eth_dev_socket_id(portid));
895 if (tx_buffer[portid] == NULL)
896 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
899 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
901 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
902 rte_eth_tx_buffer_count_callback,
903 &port_statistics[portid].dropped);
905 rte_exit(EXIT_FAILURE,
906 "Cannot set error callback for tx buffer on port %u\n",
910 ret = rte_eth_dev_start(portid);
912 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
917 rte_eth_promiscuous_enable(portid);
919 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
921 l2fwd_ports_eth_addr[portid].addr_bytes[0],
922 l2fwd_ports_eth_addr[portid].addr_bytes[1],
923 l2fwd_ports_eth_addr[portid].addr_bytes[2],
924 l2fwd_ports_eth_addr[portid].addr_bytes[3],
925 l2fwd_ports_eth_addr[portid].addr_bytes[4],
926 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
928 /* initialize port stats */
929 memset(&port_statistics, 0, sizeof(port_statistics));
932 if (!nb_ports_available) {
933 rte_exit(EXIT_FAILURE,
934 "All available ports are disabled. Please set portmask.\n");
937 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
939 drain_tsc = (hz + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
941 RTE_LCORE_FOREACH(lcore_id) {
942 qconf = &lcore_queue_conf[lcore_id];
944 rte_spinlock_init(&qconf->lock);
946 if (rte_jobstats_context_init(&qconf->jobs_context) != 0)
947 rte_panic("Jobs stats context for core %u init failed\n", lcore_id);
949 if (qconf->n_rx_port == 0) {
951 "lcore %u: no ports so no jobs stats context initialization\n",
956 * Set fixed period by setting min = max = initial period. Set target to
957 * zero as it is irrelevant for this job. */
958 rte_jobstats_init(&qconf->flush_job, "flush", drain_tsc, drain_tsc,
961 rte_timer_init(&qconf->flush_timer);
962 ret = rte_timer_reset(&qconf->flush_timer, drain_tsc, PERIODICAL,
963 lcore_id, &l2fwd_flush_job, NULL);
966 rte_exit(1, "Failed to reset flush job timer for lcore %u: %s",
967 lcore_id, rte_strerror(-ret));
970 for (i = 0; i < qconf->n_rx_port; i++) {
971 struct rte_jobstats *job = &qconf->port_fwd_jobs[i];
973 portid = qconf->rx_port_list[i];
974 printf("Setting forward job for port %u\n", portid);
976 snprintf(name, RTE_DIM(name), "port %u fwd", portid);
977 /* Setup forward job.
978 * Set min, max and initial period. Set target to MAX_PKT_BURST as
979 * this is desired optimal RX/TX burst size. */
980 rte_jobstats_init(job, name, 0, drain_tsc, 0, MAX_PKT_BURST);
981 rte_jobstats_set_update_period_function(job, l2fwd_job_update_cb);
983 rte_timer_init(&qconf->rx_timers[i]);
984 ret = rte_timer_reset(&qconf->rx_timers[i], 0, PERIODICAL, lcore_id,
985 &l2fwd_fwd_job, (void *)(uintptr_t)i);
988 rte_exit(1, "Failed to reset lcore %u port %u job timer: %s",
989 lcore_id, qconf->rx_port_list[i], rte_strerror(-ret));
995 rte_eal_alarm_set(timer_period * MS_PER_S, show_stats_cb, NULL);
997 RTE_LOG(INFO, L2FWD, "Stats display disabled\n");
999 /* launch per-lcore init on every lcore */
1000 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER);
1001 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1002 if (rte_eal_wait_lcore(lcore_id) < 0)