1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2017 Intel Corporation
12 #include <rte_ethdev.h>
13 #include <rte_cycles.h>
14 #include <rte_malloc.h>
15 #include <rte_debug.h>
16 #include <rte_prefetch.h>
17 #include <rte_distributor.h>
18 #include <rte_pause.h>
19 #include <rte_power.h>
21 #define RX_RING_SIZE 1024
22 #define TX_RING_SIZE 1024
23 #define NUM_MBUFS ((64*1024)-1)
24 #define MBUF_CACHE_SIZE 128
26 #define SCHED_RX_RING_SZ 8192
27 #define SCHED_TX_RING_SZ 65536
28 #define BURST_SIZE_TX 32
30 #define RTE_LOGTYPE_DISTRAPP RTE_LOGTYPE_USER1
32 #define ANSI_COLOR_RED "\x1b[31m"
33 #define ANSI_COLOR_RESET "\x1b[0m"
35 /* mask of enabled ports */
36 static uint32_t enabled_port_mask;
37 volatile uint8_t quit_signal;
38 volatile uint8_t quit_signal_rx;
39 volatile uint8_t quit_signal_dist;
40 volatile uint8_t quit_signal_work;
41 unsigned int power_lib_initialised;
43 static volatile struct app_stats {
46 uint64_t returned_pkts;
47 uint64_t enqueued_pkts;
48 uint64_t enqdrop_pkts;
49 } rx __rte_cache_aligned;
50 int pad1 __rte_cache_aligned;
56 uint64_t enqdrop_pkts;
57 } dist __rte_cache_aligned;
58 int pad2 __rte_cache_aligned;
61 uint64_t dequeue_pkts;
63 uint64_t enqdrop_pkts;
64 } tx __rte_cache_aligned;
65 int pad3 __rte_cache_aligned;
67 uint64_t worker_pkts[64] __rte_cache_aligned;
69 int pad4 __rte_cache_aligned;
71 uint64_t worker_bursts[64][8] __rte_cache_aligned;
73 int pad5 __rte_cache_aligned;
75 uint64_t port_rx_pkts[64] __rte_cache_aligned;
76 uint64_t port_tx_pkts[64] __rte_cache_aligned;
79 struct app_stats prev_app_stats;
81 static const struct rte_eth_conf port_conf_default = {
83 .mq_mode = ETH_MQ_RX_RSS,
84 .max_rx_pkt_len = ETHER_MAX_LEN,
87 .mq_mode = ETH_MQ_TX_NONE,
91 .rss_hf = ETH_RSS_IP | ETH_RSS_UDP |
92 ETH_RSS_TCP | ETH_RSS_SCTP,
97 struct output_buffer {
99 struct rte_mbuf *mbufs[BURST_SIZE];
102 static void print_stats(void);
105 * Initialises a given port using global settings and with the rx buffers
106 * coming from the mbuf_pool passed as parameter
109 port_init(uint16_t port, struct rte_mempool *mbuf_pool)
111 struct rte_eth_conf port_conf = port_conf_default;
112 const uint16_t rxRings = 1, txRings = rte_lcore_count() - 1;
115 uint16_t nb_rxd = RX_RING_SIZE;
116 uint16_t nb_txd = TX_RING_SIZE;
117 struct rte_eth_dev_info dev_info;
118 struct rte_eth_txconf txconf;
120 if (!rte_eth_dev_is_valid_port(port))
123 rte_eth_dev_info_get(port, &dev_info);
124 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
125 port_conf.txmode.offloads |=
126 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
128 port_conf.rx_adv_conf.rss_conf.rss_hf &=
129 dev_info.flow_type_rss_offloads;
130 if (port_conf.rx_adv_conf.rss_conf.rss_hf !=
131 port_conf_default.rx_adv_conf.rss_conf.rss_hf) {
132 printf("Port %u modified RSS hash function based on hardware support,"
133 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
135 port_conf_default.rx_adv_conf.rss_conf.rss_hf,
136 port_conf.rx_adv_conf.rss_conf.rss_hf);
139 retval = rte_eth_dev_configure(port, rxRings, txRings, &port_conf);
143 retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &nb_rxd, &nb_txd);
147 for (q = 0; q < rxRings; q++) {
148 retval = rte_eth_rx_queue_setup(port, q, nb_rxd,
149 rte_eth_dev_socket_id(port),
155 txconf = dev_info.default_txconf;
156 txconf.offloads = port_conf.txmode.offloads;
157 for (q = 0; q < txRings; q++) {
158 retval = rte_eth_tx_queue_setup(port, q, nb_txd,
159 rte_eth_dev_socket_id(port),
165 retval = rte_eth_dev_start(port);
169 struct rte_eth_link link;
170 rte_eth_link_get_nowait(port, &link);
171 while (!link.link_status) {
172 printf("Waiting for Link up on port %"PRIu16"\n", port);
174 rte_eth_link_get_nowait(port, &link);
177 if (!link.link_status) {
178 printf("Link down on port %"PRIu16"\n", port);
182 struct ether_addr addr;
183 rte_eth_macaddr_get(port, &addr);
184 printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
185 " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
187 addr.addr_bytes[0], addr.addr_bytes[1],
188 addr.addr_bytes[2], addr.addr_bytes[3],
189 addr.addr_bytes[4], addr.addr_bytes[5]);
191 rte_eth_promiscuous_enable(port);
196 struct lcore_params {
198 struct rte_distributor *d;
199 struct rte_ring *rx_dist_ring;
200 struct rte_ring *dist_tx_ring;
201 struct rte_mempool *mem_pool;
205 lcore_rx(struct lcore_params *p)
207 const uint16_t nb_ports = rte_eth_dev_count_avail();
208 const int socket_id = rte_socket_id();
210 struct rte_mbuf *bufs[BURST_SIZE*2];
212 RTE_ETH_FOREACH_DEV(port) {
213 /* skip ports that are not enabled */
214 if ((enabled_port_mask & (1 << port)) == 0)
217 if (rte_eth_dev_socket_id(port) > 0 &&
218 rte_eth_dev_socket_id(port) != socket_id)
219 printf("WARNING, port %u is on remote NUMA node to "
220 "RX thread.\n\tPerformance will not "
221 "be optimal.\n", port);
224 printf("\nCore %u doing packet RX.\n", rte_lcore_id());
226 while (!quit_signal_rx) {
228 /* skip ports that are not enabled */
229 if ((enabled_port_mask & (1 << port)) == 0) {
230 if (++port == nb_ports)
234 const uint16_t nb_rx = rte_eth_rx_burst(port, 0, bufs,
236 if (unlikely(nb_rx == 0)) {
237 if (++port == nb_ports)
241 app_stats.rx.rx_pkts += nb_rx;
244 * You can run the distributor on the rx core with this code. Returned
245 * packets are then send straight to the tx core.
248 rte_distributor_process(d, bufs, nb_rx);
249 const uint16_t nb_ret = rte_distributor_returned_pktsd,
252 app_stats.rx.returned_pkts += nb_ret;
253 if (unlikely(nb_ret == 0)) {
254 if (++port == nb_ports)
259 struct rte_ring *tx_ring = p->dist_tx_ring;
260 uint16_t sent = rte_ring_enqueue_burst(tx_ring,
261 (void *)bufs, nb_ret, NULL);
263 uint16_t nb_ret = nb_rx;
265 * Swap the following two lines if you want the rx traffic
266 * to go directly to tx, no distribution.
268 struct rte_ring *out_ring = p->rx_dist_ring;
269 /* struct rte_ring *out_ring = p->dist_tx_ring; */
271 uint16_t sent = rte_ring_enqueue_burst(out_ring,
272 (void *)bufs, nb_ret, NULL);
275 app_stats.rx.enqueued_pkts += sent;
276 if (unlikely(sent < nb_ret)) {
277 app_stats.rx.enqdrop_pkts += nb_ret - sent;
278 RTE_LOG_DP(DEBUG, DISTRAPP,
279 "%s:Packet loss due to full ring\n", __func__);
280 while (sent < nb_ret)
281 rte_pktmbuf_free(bufs[sent++]);
283 if (++port == nb_ports)
286 if (power_lib_initialised)
287 rte_power_exit(rte_lcore_id());
288 /* set worker & tx threads quit flag */
289 printf("\nCore %u exiting rx task.\n", rte_lcore_id());
295 flush_one_port(struct output_buffer *outbuf, uint8_t outp)
297 unsigned int nb_tx = rte_eth_tx_burst(outp, 0,
298 outbuf->mbufs, outbuf->count);
299 app_stats.tx.tx_pkts += outbuf->count;
301 if (unlikely(nb_tx < outbuf->count)) {
302 app_stats.tx.enqdrop_pkts += outbuf->count - nb_tx;
304 rte_pktmbuf_free(outbuf->mbufs[nb_tx]);
305 } while (++nb_tx < outbuf->count);
311 flush_all_ports(struct output_buffer *tx_buffers)
315 RTE_ETH_FOREACH_DEV(outp) {
316 /* skip ports that are not enabled */
317 if ((enabled_port_mask & (1 << outp)) == 0)
320 if (tx_buffers[outp].count == 0)
323 flush_one_port(&tx_buffers[outp], outp);
330 lcore_distributor(struct lcore_params *p)
332 struct rte_ring *in_r = p->rx_dist_ring;
333 struct rte_ring *out_r = p->dist_tx_ring;
334 struct rte_mbuf *bufs[BURST_SIZE * 4];
335 struct rte_distributor *d = p->d;
337 printf("\nCore %u acting as distributor core.\n", rte_lcore_id());
338 while (!quit_signal_dist) {
339 const uint16_t nb_rx = rte_ring_dequeue_burst(in_r,
340 (void *)bufs, BURST_SIZE*1, NULL);
342 app_stats.dist.in_pkts += nb_rx;
344 /* Distribute the packets */
345 rte_distributor_process(d, bufs, nb_rx);
347 const uint16_t nb_ret =
348 rte_distributor_returned_pkts(d,
351 if (unlikely(nb_ret == 0))
353 app_stats.dist.ret_pkts += nb_ret;
355 uint16_t sent = rte_ring_enqueue_burst(out_r,
356 (void *)bufs, nb_ret, NULL);
357 app_stats.dist.sent_pkts += sent;
358 if (unlikely(sent < nb_ret)) {
359 app_stats.dist.enqdrop_pkts += nb_ret - sent;
360 RTE_LOG(DEBUG, DISTRAPP,
361 "%s:Packet loss due to full out ring\n",
363 while (sent < nb_ret)
364 rte_pktmbuf_free(bufs[sent++]);
368 printf("\nCore %u exiting distributor task.\n", rte_lcore_id());
369 quit_signal_work = 1;
370 if (power_lib_initialised)
371 rte_power_exit(rte_lcore_id());
372 rte_distributor_flush(d);
373 /* Unblock any returns so workers can exit */
374 rte_distributor_clear_returns(d);
381 lcore_tx(struct rte_ring *in_r)
383 static struct output_buffer tx_buffers[RTE_MAX_ETHPORTS];
384 const int socket_id = rte_socket_id();
387 RTE_ETH_FOREACH_DEV(port) {
388 /* skip ports that are not enabled */
389 if ((enabled_port_mask & (1 << port)) == 0)
392 if (rte_eth_dev_socket_id(port) > 0 &&
393 rte_eth_dev_socket_id(port) != socket_id)
394 printf("WARNING, port %u is on remote NUMA node to "
395 "TX thread.\n\tPerformance will not "
396 "be optimal.\n", port);
399 printf("\nCore %u doing packet TX.\n", rte_lcore_id());
400 while (!quit_signal) {
402 RTE_ETH_FOREACH_DEV(port) {
403 /* skip ports that are not enabled */
404 if ((enabled_port_mask & (1 << port)) == 0)
407 struct rte_mbuf *bufs[BURST_SIZE_TX];
408 const uint16_t nb_rx = rte_ring_dequeue_burst(in_r,
409 (void *)bufs, BURST_SIZE_TX, NULL);
410 app_stats.tx.dequeue_pkts += nb_rx;
412 /* if we get no traffic, flush anything we have */
413 if (unlikely(nb_rx == 0)) {
414 flush_all_ports(tx_buffers);
418 /* for traffic we receive, queue it up for transmit */
420 rte_prefetch_non_temporal((void *)bufs[0]);
421 rte_prefetch_non_temporal((void *)bufs[1]);
422 rte_prefetch_non_temporal((void *)bufs[2]);
423 for (i = 0; i < nb_rx; i++) {
424 struct output_buffer *outbuf;
426 rte_prefetch_non_temporal((void *)bufs[i + 3]);
428 * workers should update in_port to hold the
431 outp = bufs[i]->port;
432 /* skip ports that are not enabled */
433 if ((enabled_port_mask & (1 << outp)) == 0)
436 outbuf = &tx_buffers[outp];
437 outbuf->mbufs[outbuf->count++] = bufs[i];
438 if (outbuf->count == BURST_SIZE_TX)
439 flush_one_port(outbuf, outp);
443 if (power_lib_initialised)
444 rte_power_exit(rte_lcore_id());
445 printf("\nCore %u exiting tx task.\n", rte_lcore_id());
450 int_handler(int sig_num)
452 printf("Exiting on signal %d\n", sig_num);
453 /* set quit flag for rx thread to exit */
454 quit_signal_dist = 1;
460 struct rte_eth_stats eth_stats;
462 const unsigned int num_workers = rte_lcore_count() - 4;
464 RTE_ETH_FOREACH_DEV(i) {
465 rte_eth_stats_get(i, ð_stats);
466 app_stats.port_rx_pkts[i] = eth_stats.ipackets;
467 app_stats.port_tx_pkts[i] = eth_stats.opackets;
470 printf("\n\nRX Thread:\n");
471 RTE_ETH_FOREACH_DEV(i) {
472 printf("Port %u Pktsin : %5.2f\n", i,
473 (app_stats.port_rx_pkts[i] -
474 prev_app_stats.port_rx_pkts[i])/1000000.0);
475 prev_app_stats.port_rx_pkts[i] = app_stats.port_rx_pkts[i];
477 printf(" - Received: %5.2f\n",
478 (app_stats.rx.rx_pkts -
479 prev_app_stats.rx.rx_pkts)/1000000.0);
480 printf(" - Returned: %5.2f\n",
481 (app_stats.rx.returned_pkts -
482 prev_app_stats.rx.returned_pkts)/1000000.0);
483 printf(" - Enqueued: %5.2f\n",
484 (app_stats.rx.enqueued_pkts -
485 prev_app_stats.rx.enqueued_pkts)/1000000.0);
486 printf(" - Dropped: %s%5.2f%s\n", ANSI_COLOR_RED,
487 (app_stats.rx.enqdrop_pkts -
488 prev_app_stats.rx.enqdrop_pkts)/1000000.0,
491 printf("Distributor thread:\n");
492 printf(" - In: %5.2f\n",
493 (app_stats.dist.in_pkts -
494 prev_app_stats.dist.in_pkts)/1000000.0);
495 printf(" - Returned: %5.2f\n",
496 (app_stats.dist.ret_pkts -
497 prev_app_stats.dist.ret_pkts)/1000000.0);
498 printf(" - Sent: %5.2f\n",
499 (app_stats.dist.sent_pkts -
500 prev_app_stats.dist.sent_pkts)/1000000.0);
501 printf(" - Dropped %s%5.2f%s\n", ANSI_COLOR_RED,
502 (app_stats.dist.enqdrop_pkts -
503 prev_app_stats.dist.enqdrop_pkts)/1000000.0,
506 printf("TX thread:\n");
507 printf(" - Dequeued: %5.2f\n",
508 (app_stats.tx.dequeue_pkts -
509 prev_app_stats.tx.dequeue_pkts)/1000000.0);
510 RTE_ETH_FOREACH_DEV(i) {
511 printf("Port %u Pktsout: %5.2f\n",
512 i, (app_stats.port_tx_pkts[i] -
513 prev_app_stats.port_tx_pkts[i])/1000000.0);
514 prev_app_stats.port_tx_pkts[i] = app_stats.port_tx_pkts[i];
516 printf(" - Transmitted: %5.2f\n",
517 (app_stats.tx.tx_pkts -
518 prev_app_stats.tx.tx_pkts)/1000000.0);
519 printf(" - Dropped: %s%5.2f%s\n", ANSI_COLOR_RED,
520 (app_stats.tx.enqdrop_pkts -
521 prev_app_stats.tx.enqdrop_pkts)/1000000.0,
524 prev_app_stats.rx.rx_pkts = app_stats.rx.rx_pkts;
525 prev_app_stats.rx.returned_pkts = app_stats.rx.returned_pkts;
526 prev_app_stats.rx.enqueued_pkts = app_stats.rx.enqueued_pkts;
527 prev_app_stats.rx.enqdrop_pkts = app_stats.rx.enqdrop_pkts;
528 prev_app_stats.dist.in_pkts = app_stats.dist.in_pkts;
529 prev_app_stats.dist.ret_pkts = app_stats.dist.ret_pkts;
530 prev_app_stats.dist.sent_pkts = app_stats.dist.sent_pkts;
531 prev_app_stats.dist.enqdrop_pkts = app_stats.dist.enqdrop_pkts;
532 prev_app_stats.tx.dequeue_pkts = app_stats.tx.dequeue_pkts;
533 prev_app_stats.tx.tx_pkts = app_stats.tx.tx_pkts;
534 prev_app_stats.tx.enqdrop_pkts = app_stats.tx.enqdrop_pkts;
536 for (i = 0; i < num_workers; i++) {
537 printf("Worker %02u Pkts: %5.2f. Bursts(1-8): ", i,
538 (app_stats.worker_pkts[i] -
539 prev_app_stats.worker_pkts[i])/1000000.0);
540 for (j = 0; j < 8; j++) {
541 printf("%"PRIu64" ", app_stats.worker_bursts[i][j]);
542 app_stats.worker_bursts[i][j] = 0;
545 prev_app_stats.worker_pkts[i] = app_stats.worker_pkts[i];
550 lcore_worker(struct lcore_params *p)
552 struct rte_distributor *d = p->d;
553 const unsigned id = p->worker_id;
554 unsigned int num = 0;
558 * for single port, xor_val will be zero so we won't modify the output
559 * port, otherwise we send traffic from 0 to 1, 2 to 3, and vice versa
561 const unsigned xor_val = (rte_eth_dev_count_avail() > 1);
562 struct rte_mbuf *buf[8] __rte_cache_aligned;
564 for (i = 0; i < 8; i++)
567 app_stats.worker_pkts[p->worker_id] = 1;
569 printf("\nCore %u acting as worker core.\n", rte_lcore_id());
570 while (!quit_signal_work) {
571 num = rte_distributor_get_pkt(d, id, buf, buf, num);
572 /* Do a little bit of work for each packet */
573 for (i = 0; i < num; i++) {
574 uint64_t t = rte_rdtsc()+100;
576 while (rte_rdtsc() < t)
578 buf[i]->port ^= xor_val;
581 app_stats.worker_pkts[p->worker_id] += num;
583 app_stats.worker_bursts[p->worker_id][num-1]++;
585 if (power_lib_initialised)
586 rte_power_exit(rte_lcore_id());
592 init_power_library(void)
594 int ret = 0, lcore_id;
595 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
596 /* init power management library */
597 ret = rte_power_init(lcore_id);
600 "Library initialization failed on core %u\n",
603 * Return on first failure, we'll fall back
604 * to non-power operation
614 print_usage(const char *prgname)
616 printf("%s [EAL options] -- -p PORTMASK\n"
617 " -p PORTMASK: hexadecimal bitmask of ports to configure\n",
622 parse_portmask(const char *portmask)
627 /* parse hexadecimal string */
628 pm = strtoul(portmask, &end, 16);
629 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
638 /* Parse the argument given in the command line of the application */
640 parse_args(int argc, char **argv)
645 char *prgname = argv[0];
646 static struct option lgopts[] = {
652 while ((opt = getopt_long(argc, argvopt, "p:",
653 lgopts, &option_index)) != EOF) {
658 enabled_port_mask = parse_portmask(optarg);
659 if (enabled_port_mask == 0) {
660 printf("invalid portmask\n");
661 print_usage(prgname);
667 print_usage(prgname);
673 print_usage(prgname);
677 argv[optind-1] = prgname;
679 optind = 1; /* reset getopt lib */
683 /* Main function, does initialization and calls the per-lcore functions */
685 main(int argc, char *argv[])
687 struct rte_mempool *mbuf_pool;
688 struct rte_distributor *d;
689 struct rte_ring *dist_tx_ring;
690 struct rte_ring *rx_dist_ring;
691 struct rte_power_core_capabilities lcore_cap;
692 unsigned int lcore_id, worker_id = 0;
693 int distr_core_id = -1, rx_core_id = -1, tx_core_id = -1;
696 uint16_t nb_ports_available;
699 /* catch ctrl-c so we can print on exit */
700 signal(SIGINT, int_handler);
703 int ret = rte_eal_init(argc, argv);
705 rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
709 /* parse application arguments (after the EAL ones) */
710 ret = parse_args(argc, argv);
712 rte_exit(EXIT_FAILURE, "Invalid distributor parameters\n");
714 if (rte_lcore_count() < 5)
715 rte_exit(EXIT_FAILURE, "Error, This application needs at "
716 "least 5 logical cores to run:\n"
717 "1 lcore for stats (can be core 0)\n"
718 "1 lcore for packet RX\n"
719 "1 lcore for distribution\n"
720 "1 lcore for packet TX\n"
721 "and at least 1 lcore for worker threads\n");
723 if (init_power_library() == 0)
724 power_lib_initialised = 1;
726 nb_ports = rte_eth_dev_count_avail();
728 rte_exit(EXIT_FAILURE, "Error: no ethernet ports detected\n");
729 if (nb_ports != 1 && (nb_ports & 1))
730 rte_exit(EXIT_FAILURE, "Error: number of ports must be even, except "
731 "when using a single port\n");
733 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
734 NUM_MBUFS * nb_ports, MBUF_CACHE_SIZE, 0,
735 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
736 if (mbuf_pool == NULL)
737 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
738 nb_ports_available = nb_ports;
740 /* initialize all ports */
741 RTE_ETH_FOREACH_DEV(portid) {
742 /* skip ports that are not enabled */
743 if ((enabled_port_mask & (1 << portid)) == 0) {
744 printf("\nSkipping disabled port %d\n", portid);
745 nb_ports_available--;
749 printf("Initializing port %u... done\n", portid);
751 if (port_init(portid, mbuf_pool) != 0)
752 rte_exit(EXIT_FAILURE, "Cannot initialize port %u\n",
756 if (!nb_ports_available) {
757 rte_exit(EXIT_FAILURE,
758 "All available ports are disabled. Please set portmask.\n");
761 d = rte_distributor_create("PKT_DIST", rte_socket_id(),
762 rte_lcore_count() - 4,
765 rte_exit(EXIT_FAILURE, "Cannot create distributor\n");
768 * scheduler ring is read by the transmitter core, and written to
771 dist_tx_ring = rte_ring_create("Output_ring", SCHED_TX_RING_SZ,
772 rte_socket_id(), RING_F_SC_DEQ | RING_F_SP_ENQ);
773 if (dist_tx_ring == NULL)
774 rte_exit(EXIT_FAILURE, "Cannot create output ring\n");
776 rx_dist_ring = rte_ring_create("Input_ring", SCHED_RX_RING_SZ,
777 rte_socket_id(), RING_F_SC_DEQ | RING_F_SP_ENQ);
778 if (rx_dist_ring == NULL)
779 rte_exit(EXIT_FAILURE, "Cannot create output ring\n");
781 if (power_lib_initialised) {
783 * Here we'll pre-assign lcore ids to the rx, tx and
784 * distributor workloads if there's higher frequency
785 * on those cores e.g. if Turbo Boost is enabled.
786 * It's also worth mentioning that it will assign cores in a
787 * specific order, so that if there's less than three
788 * available, the higher frequency cores will go to the
789 * distributor first, then rx, then tx.
791 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
793 rte_power_get_capabilities(lcore_id, &lcore_cap);
795 if (lcore_cap.priority != 1)
798 if (distr_core_id < 0) {
799 distr_core_id = lcore_id;
800 printf("Distributor on priority core %d\n",
804 if (rx_core_id < 0) {
805 rx_core_id = lcore_id;
806 printf("Rx on priority core %d\n",
810 if (tx_core_id < 0) {
811 tx_core_id = lcore_id;
812 printf("Tx on priority core %d\n",
820 * If there's any of the key workloads left without an lcore_id
821 * after the high performing core assignment above, pre-assign
824 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
825 if (lcore_id == (unsigned int)distr_core_id ||
826 lcore_id == (unsigned int)rx_core_id ||
827 lcore_id == (unsigned int)tx_core_id)
829 if (distr_core_id < 0) {
830 distr_core_id = lcore_id;
831 printf("Distributor on core %d\n", lcore_id);
834 if (rx_core_id < 0) {
835 rx_core_id = lcore_id;
836 printf("Rx on core %d\n", lcore_id);
839 if (tx_core_id < 0) {
840 tx_core_id = lcore_id;
841 printf("Tx on core %d\n", lcore_id);
846 printf(" tx id %d, dist id %d, rx id %d\n",
852 * Kick off all the worker threads first, avoiding the pre-assigned
853 * lcore_ids for tx, rx and distributor workloads.
855 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
856 if (lcore_id == (unsigned int)distr_core_id ||
857 lcore_id == (unsigned int)rx_core_id ||
858 lcore_id == (unsigned int)tx_core_id)
860 printf("Starting thread %d as worker, lcore_id %d\n",
861 worker_id, lcore_id);
862 struct lcore_params *p =
863 rte_malloc(NULL, sizeof(*p), 0);
865 rte_panic("malloc failure\n");
866 *p = (struct lcore_params){worker_id++, d, rx_dist_ring,
867 dist_tx_ring, mbuf_pool};
869 rte_eal_remote_launch((lcore_function_t *)lcore_worker,
874 rte_eal_remote_launch((lcore_function_t *)lcore_tx,
875 dist_tx_ring, tx_core_id);
877 /* Start distributor core */
878 struct lcore_params *pd =
879 rte_malloc(NULL, sizeof(*pd), 0);
881 rte_panic("malloc failure\n");
882 *pd = (struct lcore_params){worker_id++, d,
883 rx_dist_ring, dist_tx_ring, mbuf_pool};
884 rte_eal_remote_launch(
885 (lcore_function_t *)lcore_distributor,
889 struct lcore_params *pr =
890 rte_malloc(NULL, sizeof(*pr), 0);
892 rte_panic("malloc failure\n");
893 *pr = (struct lcore_params){worker_id++, d, rx_dist_ring,
894 dist_tx_ring, mbuf_pool};
895 rte_eal_remote_launch((lcore_function_t *)lcore_rx,
898 freq = rte_get_timer_hz();
899 t = rte_rdtsc() + freq;
900 while (!quit_signal_dist) {
901 if (t < rte_rdtsc()) {
903 t = rte_rdtsc() + freq;
908 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
909 if (rte_eal_wait_lcore(lcore_id) < 0)