1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
10 #include <sys/types.h>
11 #include <sys/unistd.h>
12 #include <sys/queue.h>
21 #include "rte_atomic.h"
22 #include "rte_common.h"
24 #include "rte_cycles.h"
25 #include "rte_ether.h"
26 #include "rte_ethdev.h"
28 #include "rte_lcore.h"
29 #include "rte_malloc.h"
31 #include "rte_memory.h"
32 #include "rte_mempool.h"
34 #include "rte_bbdev.h"
35 #include "rte_bbdev_op.h"
37 /* LLR values - negative value for '1' bit */
38 #define LLR_1_BIT 0x81
39 #define LLR_0_BIT 0x7F
41 #define MAX_PKT_BURST 32
43 #define MEMPOOL_CACHE_SIZE 256
45 /* Hardcoded K value */
47 #define NCB (3 * RTE_ALIGN_CEIL(K + 4, 32))
51 /* Configurable number of RX/TX ring descriptors */
52 #define RTE_TEST_RX_DESC_DEFAULT 128
53 #define RTE_TEST_TX_DESC_DEFAULT 512
55 #define BBDEV_ASSERT(a) do { \
62 static const struct rte_eth_conf port_conf = {
64 .mq_mode = ETH_MQ_RX_NONE,
65 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
69 .mq_mode = ETH_MQ_TX_NONE,
73 struct rte_bbdev_op_turbo_enc def_op_enc = {
74 /* These values are arbitrarily put, and does not map to the real
75 * values for the data received from ethdev ports
82 .op_flags = RTE_BBDEV_TURBO_CRC_24A_ATTACH
85 struct rte_bbdev_op_turbo_dec def_op_dec = {
86 /* These values are arbitrarily put, and does not map to the real
87 * values for the data received from ethdev ports
98 .op_flags = RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN
101 struct app_config_params {
102 /* Placeholders for app params */
105 uint64_t enc_core_mask;
106 uint64_t dec_core_mask;
108 /* Values filled during init time */
109 uint16_t enc_queue_ids[RTE_MAX_LCORE];
110 uint16_t dec_queue_ids[RTE_MAX_LCORE];
111 uint16_t num_enc_cores;
112 uint16_t num_dec_cores;
115 struct lcore_statistics {
116 unsigned int enqueued;
117 unsigned int dequeued;
118 unsigned int rx_lost_packets;
119 unsigned int enc_to_dec_lost_packets;
120 unsigned int tx_lost_packets;
121 } __rte_cache_aligned;
123 /** each lcore configuration */
127 unsigned int port_id;
128 unsigned int rx_queue_id;
129 unsigned int tx_queue_id;
131 unsigned int bbdev_id;
132 unsigned int enc_queue_id;
133 unsigned int dec_queue_id;
135 uint8_t llr_temp_buf[NCB];
137 struct rte_mempool *bbdev_dec_op_pool;
138 struct rte_mempool *bbdev_enc_op_pool;
139 struct rte_mempool *enc_out_pool;
140 struct rte_ring *enc_to_dec_ring;
142 struct lcore_statistics *lcore_stats;
143 } __rte_cache_aligned;
145 struct stats_lcore_params {
146 struct lcore_conf *lconf;
147 struct app_config_params *app_params;
151 static const struct app_config_params def_app_config = {
154 .enc_core_mask = 0x2,
155 .dec_core_mask = 0x4,
160 static rte_atomic16_t global_exit_flag;
164 usage(const char *prgname)
166 printf("%s [EAL options] "
168 " --enc_cores - number of encoding cores (default = 0x2)\n"
169 " --dec_cores - number of decoding cores (default = 0x4)\n"
170 " --port_id - Ethernet port ID (default = 0)\n"
171 " --bbdev_id - BBDev ID (default = 0)\n"
175 /* parse core mask */
177 uint16_t bbdev_parse_mask(const char *mask)
182 /* parse hexadecimal string */
183 pm = strtoul(mask, &end, 16);
184 if ((mask[0] == '\0') || (end == NULL) || (*end != '\0'))
190 /* parse core mask */
192 uint16_t bbdev_parse_number(const char *mask)
197 /* parse hexadecimal string */
198 pm = strtoul(mask, &end, 10);
199 if ((mask[0] == '\0') || (end == NULL) || (*end != '\0'))
206 bbdev_parse_args(int argc, char **argv,
207 struct app_config_params *app_params)
212 char *prgname = argv[0];
214 static struct option lgopts[] = {
215 { "enc_core_mask", required_argument, 0, 'e' },
216 { "dec_core_mask", required_argument, 0, 'd' },
217 { "port_id", required_argument, 0, 'p' },
218 { "bbdev_id", required_argument, 0, 'b' },
222 BBDEV_ASSERT(argc != 0);
223 BBDEV_ASSERT(argv != NULL);
224 BBDEV_ASSERT(app_params != NULL);
226 while ((opt = getopt_long(argc, argv, "e:d:p:b:", lgopts, &opt_indx)) !=
230 app_params->enc_core_mask =
231 bbdev_parse_mask(optarg);
232 if (app_params->enc_core_mask == 0) {
236 app_params->num_enc_cores =
237 __builtin_popcount(app_params->enc_core_mask);
241 app_params->dec_core_mask =
242 bbdev_parse_mask(optarg);
243 if (app_params->dec_core_mask == 0) {
247 app_params->num_dec_cores =
248 __builtin_popcount(app_params->dec_core_mask);
252 app_params->port_id = bbdev_parse_number(optarg);
256 app_params->bbdev_id = bbdev_parse_number(optarg);
269 signal_handler(int signum)
271 printf("\nSignal %d received\n", signum);
272 rte_atomic16_set(&global_exit_flag, 1);
276 print_mac(unsigned int portid, struct rte_ether_addr *bbdev_ports_eth_address)
278 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
279 (unsigned int) portid,
280 bbdev_ports_eth_address->addr_bytes[0],
281 bbdev_ports_eth_address->addr_bytes[1],
282 bbdev_ports_eth_address->addr_bytes[2],
283 bbdev_ports_eth_address->addr_bytes[3],
284 bbdev_ports_eth_address->addr_bytes[4],
285 bbdev_ports_eth_address->addr_bytes[5]);
289 pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free)
292 for (i = 0; i < nb_to_free; ++i)
293 rte_pktmbuf_free(mbufs[i]);
297 pktmbuf_userdata_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free)
300 for (i = 0; i < nb_to_free; ++i) {
301 struct rte_mbuf *rx_pkt = mbufs[i]->userdata;
302 rte_pktmbuf_free(rx_pkt);
303 rte_pktmbuf_free(mbufs[i]);
307 /* Check the link status of all ports in up to 9s, and print them finally */
309 check_port_link_status(uint16_t port_id)
311 #define CHECK_INTERVAL 100 /* 100ms */
312 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
314 struct rte_eth_link link;
315 int link_get_err = -EINVAL;
317 printf("\nChecking link status.");
320 for (count = 0; count <= MAX_CHECK_TIME &&
321 !rte_atomic16_read(&global_exit_flag); count++) {
322 memset(&link, 0, sizeof(link));
323 link_get_err = rte_eth_link_get_nowait(port_id, &link);
325 if (link_get_err >= 0 && link.link_status) {
326 const char *dp = (link.link_duplex ==
327 ETH_LINK_FULL_DUPLEX) ?
328 "full-duplex" : "half-duplex";
329 printf("\nPort %u Link Up - speed %s - %s\n",
331 rte_eth_link_speed_to_str(link.link_speed),
337 rte_delay_ms(CHECK_INTERVAL);
340 if (link_get_err >= 0)
341 printf("\nPort %d Link Down\n", port_id);
343 printf("\nGet link failed (port %d): %s\n", port_id,
344 rte_strerror(-link_get_err));
350 add_ether_hdr(struct rte_mbuf *pkt_src, struct rte_mbuf *pkt_dst)
352 struct rte_ether_hdr *eth_from;
353 struct rte_ether_hdr *eth_to;
355 eth_from = rte_pktmbuf_mtod(pkt_src, struct rte_ether_hdr *);
356 eth_to = rte_pktmbuf_mtod(pkt_dst, struct rte_ether_hdr *);
359 rte_memcpy(eth_to, eth_from, sizeof(struct rte_ether_hdr));
363 add_awgn(struct rte_mbuf **mbufs, uint16_t num_pkts)
366 RTE_SET_USED(num_pkts);
369 /* Encoder output to Decoder input adapter. The Decoder accepts only soft input
370 * so each bit of the encoder output must be translated into one byte of LLR. If
371 * Sub-block Deinterleaver is bypassed, which is the case, the padding bytes
372 * must additionally be insterted at the end of each sub-block.
375 transform_enc_out_dec_in(struct rte_mbuf **mbufs, uint8_t *temp_buf,
376 uint16_t num_pkts, uint16_t k)
379 uint16_t start_bit_idx;
382 uint16_t kpi = RTE_ALIGN_CEIL(d, 32);
383 uint16_t nd = kpi - d;
384 uint16_t ncb = 3 * kpi;
386 for (i = 0; i < num_pkts; ++i) {
387 uint16_t pkt_data_len = rte_pktmbuf_data_len(mbufs[i]) -
388 sizeof(struct rte_ether_hdr);
390 /* Resize the packet if needed */
391 if (pkt_data_len < ncb) {
392 char *data = rte_pktmbuf_append(mbufs[i],
396 "Not enough space in decoder input packet");
399 /* Translate each bit into 1 LLR byte. */
402 for (j = 0; j < 3; ++j) {
403 for (l = start_bit_idx; l < start_bit_idx + d; ++l) {
404 uint8_t *data = rte_pktmbuf_mtod_offset(
406 sizeof(struct rte_ether_hdr) +
408 if (*data & (0x80 >> (l & 7)))
409 temp_buf[out_idx] = LLR_1_BIT;
411 temp_buf[out_idx] = LLR_0_BIT;
414 /* Padding bytes should be at the end of the sub-block.
416 memset(&temp_buf[out_idx], 0, nd);
421 rte_memcpy(rte_pktmbuf_mtod_offset(mbufs[i], uint8_t *,
422 sizeof(struct rte_ether_hdr)), temp_buf, ncb);
427 verify_data(struct rte_mbuf **mbufs, uint16_t num_pkts)
430 for (i = 0; i < num_pkts; ++i) {
431 struct rte_mbuf *out = mbufs[i];
432 struct rte_mbuf *in = out->userdata;
434 if (memcmp(rte_pktmbuf_mtod_offset(in, uint8_t *,
435 sizeof(struct rte_ether_hdr)),
436 rte_pktmbuf_mtod_offset(out, uint8_t *,
437 sizeof(struct rte_ether_hdr)),
438 K / 8 - CRC_24B_LEN))
439 printf("Input and output buffers are not equal!\n");
444 initialize_ports(struct app_config_params *app_params,
445 struct rte_mempool *ethdev_mbuf_mempool)
448 uint16_t port_id = app_params->port_id;
450 /* ethernet addresses of ports */
451 struct rte_ether_addr bbdev_port_eth_addr;
453 /* initialize ports */
454 printf("\nInitializing port %u...\n", app_params->port_id);
455 ret = rte_eth_dev_configure(port_id, app_params->num_enc_cores,
456 app_params->num_dec_cores, &port_conf);
459 printf("Cannot configure device: err=%d, port=%u\n",
464 /* initialize RX queues for encoder */
465 for (q = 0; q < app_params->num_enc_cores; q++) {
466 ret = rte_eth_rx_queue_setup(port_id, q,
467 RTE_TEST_RX_DESC_DEFAULT,
468 rte_eth_dev_socket_id(port_id),
469 NULL, ethdev_mbuf_mempool);
471 printf("rte_eth_rx_queue_setup: err=%d, queue=%u\n",
476 /* initialize TX queues for decoder */
477 for (q = 0; q < app_params->num_dec_cores; q++) {
478 ret = rte_eth_tx_queue_setup(port_id, q,
479 RTE_TEST_TX_DESC_DEFAULT,
480 rte_eth_dev_socket_id(port_id), NULL);
482 printf("rte_eth_tx_queue_setup: err=%d, queue=%u\n",
488 ret = rte_eth_promiscuous_enable(port_id);
490 printf("Cannot enable promiscuous mode: err=%s, port=%u\n",
491 rte_strerror(-ret), port_id);
495 ret = rte_eth_macaddr_get(port_id, &bbdev_port_eth_addr);
497 printf("rte_eth_macaddr_get: err=%d, queue=%u\n",
502 print_mac(port_id, &bbdev_port_eth_addr);
508 lcore_conf_init(struct app_config_params *app_params,
509 struct lcore_conf *lcore_conf,
510 struct rte_mempool **bbdev_op_pools,
511 struct rte_mempool *bbdev_mbuf_mempool,
512 struct rte_ring *enc_to_dec_ring,
513 struct lcore_statistics *lcore_stats)
515 unsigned int lcore_id;
516 struct lcore_conf *lconf;
517 uint16_t rx_queue_id = 0;
518 uint16_t tx_queue_id = 0;
519 uint16_t enc_q_id = 0;
520 uint16_t dec_q_id = 0;
522 /* Configure lcores */
523 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) {
524 lconf = &lcore_conf[lcore_id];
525 lconf->core_type = 0;
527 if ((1ULL << lcore_id) & app_params->enc_core_mask) {
528 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_ENC);
529 lconf->rx_queue_id = rx_queue_id++;
530 lconf->enc_queue_id =
531 app_params->enc_queue_ids[enc_q_id++];
534 if ((1ULL << lcore_id) & app_params->dec_core_mask) {
535 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_DEC);
536 lconf->tx_queue_id = tx_queue_id++;
537 lconf->dec_queue_id =
538 app_params->dec_queue_ids[dec_q_id++];
541 lconf->bbdev_enc_op_pool =
542 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC];
543 lconf->bbdev_dec_op_pool =
544 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC];
545 lconf->bbdev_id = app_params->bbdev_id;
546 lconf->port_id = app_params->port_id;
547 lconf->enc_out_pool = bbdev_mbuf_mempool;
548 lconf->enc_to_dec_ring = enc_to_dec_ring;
549 lconf->lcore_stats = &lcore_stats[lcore_id];
554 print_lcore_stats(struct lcore_statistics *lstats, unsigned int lcore_id)
556 static const char *stats_border = "_______";
558 printf("\nLcore %d: %s enqueued count:\t\t%u\n",
559 lcore_id, stats_border, lstats->enqueued);
560 printf("Lcore %d: %s dequeued count:\t\t%u\n",
561 lcore_id, stats_border, lstats->dequeued);
562 printf("Lcore %d: %s RX lost packets count:\t\t%u\n",
563 lcore_id, stats_border, lstats->rx_lost_packets);
564 printf("Lcore %d: %s encoder-to-decoder lost count:\t%u\n",
565 lcore_id, stats_border,
566 lstats->enc_to_dec_lost_packets);
567 printf("Lcore %d: %s TX lost packets count:\t\t%u\n",
568 lcore_id, stats_border, lstats->tx_lost_packets);
572 print_stats(struct stats_lcore_params *stats_lcore)
575 unsigned int bbdev_id = stats_lcore->app_params->bbdev_id;
576 unsigned int port_id = stats_lcore->app_params->port_id;
579 struct rte_eth_xstat *xstats;
580 struct rte_eth_xstat_name *xstats_names;
581 struct rte_bbdev_stats bbstats;
582 static const char *stats_border = "_______";
584 const char clr[] = { 27, '[', '2', 'J', '\0' };
585 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
587 /* Clear screen and move to top left */
588 printf("%s%s", clr, topLeft);
590 printf("PORT STATISTICS:\n================\n");
591 len = rte_eth_xstats_get(port_id, NULL, 0);
593 rte_exit(EXIT_FAILURE,
594 "rte_eth_xstats_get(%u) failed: %d", port_id,
597 xstats = calloc(len, sizeof(*xstats));
599 rte_exit(EXIT_FAILURE,
600 "Failed to calloc memory for xstats");
602 ret = rte_eth_xstats_get(port_id, xstats, len);
603 if (ret < 0 || ret > len) {
605 rte_exit(EXIT_FAILURE,
606 "rte_eth_xstats_get(%u) len%i failed: %d",
610 xstats_names = calloc(len, sizeof(*xstats_names));
611 if (xstats_names == NULL) {
613 rte_exit(EXIT_FAILURE,
614 "Failed to calloc memory for xstats_names");
617 ret = rte_eth_xstats_get_names(port_id, xstats_names, len);
618 if (ret < 0 || ret > len) {
621 rte_exit(EXIT_FAILURE,
622 "rte_eth_xstats_get_names(%u) len%i failed: %d",
626 for (i = 0; i < len; i++) {
627 if (xstats[i].value > 0)
628 printf("Port %u: %s %s:\t\t%"PRIu64"\n",
629 port_id, stats_border,
630 xstats_names[i].name,
634 ret = rte_bbdev_stats_get(bbdev_id, &bbstats);
638 rte_exit(EXIT_FAILURE,
639 "ERROR(%d): Failure to get BBDEV %u statistics\n",
643 printf("\nBBDEV STATISTICS:\n=================\n");
644 printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n",
645 bbdev_id, stats_border,
646 bbstats.enqueued_count);
647 printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n",
648 bbdev_id, stats_border,
649 bbstats.dequeued_count);
650 printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n",
651 bbdev_id, stats_border,
652 bbstats.enqueue_err_count);
653 printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n",
654 bbdev_id, stats_border,
655 bbstats.dequeue_err_count);
657 printf("LCORE STATISTICS:\n=================\n");
658 for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) {
659 if (stats_lcore->lconf[l_id].core_type == 0)
661 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id);
671 stats_loop(void *arg)
673 struct stats_lcore_params *stats_lcore = arg;
675 while (!rte_atomic16_read(&global_exit_flag)) {
676 print_stats(stats_lcore);
684 run_encoding(struct lcore_conf *lcore_conf)
687 uint16_t port_id, rx_queue_id;
688 uint16_t bbdev_id, enc_queue_id;
689 uint16_t nb_rx, nb_enq, nb_deq, nb_sent;
690 struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST];
691 struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST];
692 struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST];
693 struct lcore_statistics *lcore_stats;
694 struct rte_mempool *bbdev_op_pool, *enc_out_pool;
695 struct rte_ring *enc_to_dec_ring;
696 const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN;
698 lcore_stats = lcore_conf->lcore_stats;
699 port_id = lcore_conf->port_id;
700 rx_queue_id = lcore_conf->rx_queue_id;
701 bbdev_id = lcore_conf->bbdev_id;
702 enc_queue_id = lcore_conf->enc_queue_id;
703 bbdev_op_pool = lcore_conf->bbdev_enc_op_pool;
704 enc_out_pool = lcore_conf->enc_out_pool;
705 enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
707 /* Read packet from RX queues*/
708 nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst,
713 if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts,
715 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
716 lcore_stats->rx_lost_packets += nb_rx;
720 if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
722 pktmbuf_free_bulk(enc_out_pkts, nb_rx);
723 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
724 lcore_stats->rx_lost_packets += nb_rx;
728 for (i = 0; i < nb_rx; i++) {
730 const uint16_t pkt_data_len =
731 rte_pktmbuf_data_len(rx_pkts_burst[i]) -
732 sizeof(struct rte_ether_hdr);
733 /* save input mbuf pointer for later comparison */
734 enc_out_pkts[i]->userdata = rx_pkts_burst[i];
736 /* copy ethernet header */
737 rte_pktmbuf_reset(enc_out_pkts[i]);
738 data = rte_pktmbuf_append(enc_out_pkts[i],
739 sizeof(struct rte_ether_hdr));
742 "Not enough space for ethernet header in encoder output mbuf\n");
745 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]);
748 bbdev_ops_burst[i]->turbo_enc = def_op_enc;
750 bbdev_ops_burst[i]->turbo_enc.input.data =
752 bbdev_ops_burst[i]->turbo_enc.input.offset =
753 sizeof(struct rte_ether_hdr);
754 /* Encoder will attach the CRC24B, adjust the length */
755 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len;
757 if (in_data_len < pkt_data_len)
758 rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len -
760 else if (in_data_len > pkt_data_len) {
761 data = rte_pktmbuf_append(rx_pkts_burst[i],
762 in_data_len - pkt_data_len);
765 "Not enough storage in mbuf to perform the encoding\n");
768 bbdev_ops_burst[i]->turbo_enc.output.data =
770 bbdev_ops_burst[i]->turbo_enc.output.offset =
771 sizeof(struct rte_ether_hdr);
774 /* Enqueue packets on BBDevice */
775 nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id,
776 bbdev_ops_burst, nb_rx);
777 if (unlikely(nb_enq < nb_rx)) {
778 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_enq],
780 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq],
782 lcore_stats->rx_lost_packets += nb_rx - nb_enq;
788 lcore_stats->enqueued += nb_enq;
790 /* Dequeue packets from bbdev device*/
793 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id,
794 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
795 } while (unlikely(nb_deq < nb_enq));
797 lcore_stats->dequeued += nb_deq;
799 /* Generate and add AWGN */
800 add_awgn(enc_out_pkts, nb_deq);
802 rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq);
804 /* Enqueue packets to encoder-to-decoder ring */
805 nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts,
807 if (unlikely(nb_sent < nb_deq)) {
808 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_sent],
810 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent;
815 run_decoding(struct lcore_conf *lcore_conf)
818 uint16_t port_id, tx_queue_id;
819 uint16_t bbdev_id, bbdev_queue_id;
820 uint16_t nb_recv, nb_enq, nb_deq, nb_tx;
821 uint8_t *llr_temp_buf;
822 struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST];
823 struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST];
824 struct lcore_statistics *lcore_stats;
825 struct rte_mempool *bbdev_op_pool;
826 struct rte_ring *enc_to_dec_ring;
828 lcore_stats = lcore_conf->lcore_stats;
829 port_id = lcore_conf->port_id;
830 tx_queue_id = lcore_conf->tx_queue_id;
831 bbdev_id = lcore_conf->bbdev_id;
832 bbdev_queue_id = lcore_conf->dec_queue_id;
833 bbdev_op_pool = lcore_conf->bbdev_dec_op_pool;
834 enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
835 llr_temp_buf = lcore_conf->llr_temp_buf;
837 /* Dequeue packets from the ring */
838 nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring,
839 (void **)recv_pkts_burst, MAX_PKT_BURST, NULL);
843 if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
845 pktmbuf_userdata_free_bulk(recv_pkts_burst, nb_recv);
846 lcore_stats->rx_lost_packets += nb_recv;
850 transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv,
851 def_op_dec.cb_params.k);
853 for (i = 0; i < nb_recv; i++) {
855 bbdev_ops_burst[i]->turbo_dec = def_op_dec;
857 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i];
858 bbdev_ops_burst[i]->turbo_dec.input.offset =
859 sizeof(struct rte_ether_hdr);
860 bbdev_ops_burst[i]->turbo_dec.input.length =
861 rte_pktmbuf_data_len(recv_pkts_burst[i])
862 - sizeof(struct rte_ether_hdr);
864 bbdev_ops_burst[i]->turbo_dec.hard_output.data =
866 bbdev_ops_burst[i]->turbo_dec.hard_output.offset =
867 sizeof(struct rte_ether_hdr);
870 /* Enqueue packets on BBDevice */
871 nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id,
872 bbdev_ops_burst, nb_recv);
873 if (unlikely(nb_enq < nb_recv)) {
874 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_enq],
876 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq],
878 lcore_stats->rx_lost_packets += nb_recv - nb_enq;
884 lcore_stats->enqueued += nb_enq;
886 /* Dequeue packets from BBDevice */
889 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id,
890 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
891 } while (unlikely(nb_deq < nb_enq));
893 lcore_stats->dequeued += nb_deq;
895 rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq);
897 verify_data(recv_pkts_burst, nb_deq);
899 /* Free the RX mbufs after verification */
900 for (i = 0; i < nb_deq; ++i)
901 rte_pktmbuf_free(recv_pkts_burst[i]->userdata);
903 /* Transmit the packets */
904 nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq);
905 if (unlikely(nb_tx < nb_deq)) {
906 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_tx],
908 lcore_stats->tx_lost_packets += nb_deq - nb_tx;
913 processing_loop(void *arg)
915 struct lcore_conf *lcore_conf = arg;
916 const bool run_encoder = (lcore_conf->core_type &
917 (1 << RTE_BBDEV_OP_TURBO_ENC));
918 const bool run_decoder = (lcore_conf->core_type &
919 (1 << RTE_BBDEV_OP_TURBO_DEC));
921 while (!rte_atomic16_read(&global_exit_flag)) {
923 run_encoding(lcore_conf);
925 run_decoding(lcore_conf);
932 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info,
933 struct app_config_params *app_params)
936 unsigned int q_id, dec_q_id, enc_q_id;
937 struct rte_bbdev_queue_conf qconf = {0};
938 uint16_t dec_qs_nb = app_params->num_dec_cores;
939 uint16_t enc_qs_nb = app_params->num_enc_cores;
940 uint16_t tot_qs = dec_qs_nb + enc_qs_nb;
942 ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id);
944 rte_exit(EXIT_FAILURE,
945 "ERROR(%d): BBDEV %u not configured properly\n",
948 /* setup device DEC queues */
949 qconf.socket = info->socket_id;
950 qconf.queue_size = info->drv.queue_size_lim;
951 qconf.op_type = RTE_BBDEV_OP_TURBO_DEC;
953 for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) {
954 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
956 rte_exit(EXIT_FAILURE,
957 "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n",
959 app_params->dec_queue_ids[dec_q_id++] = q_id;
962 /* setup device ENC queues */
963 qconf.op_type = RTE_BBDEV_OP_TURBO_ENC;
965 for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) {
966 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
968 rte_exit(EXIT_FAILURE,
969 "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n",
971 app_params->enc_queue_ids[enc_q_id++] = q_id;
974 ret = rte_bbdev_start(dev_id);
977 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n",
980 printf("BBdev %u started\n", dev_id);
986 check_matching_capabilities(uint64_t mask, uint64_t required_mask)
988 return (mask & required_mask) == required_mask;
992 enable_bbdev(struct app_config_params *app_params)
994 struct rte_bbdev_info dev_info;
995 const struct rte_bbdev_op_cap *op_cap;
996 uint16_t bbdev_id = app_params->bbdev_id;
997 bool encoder_capable = false;
998 bool decoder_capable = false;
1000 rte_bbdev_info_get(bbdev_id, &dev_info);
1001 op_cap = dev_info.drv.capabilities;
1003 while (op_cap->type != RTE_BBDEV_OP_NONE) {
1004 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) {
1005 if (check_matching_capabilities(
1006 op_cap->cap.turbo_enc.capability_flags,
1007 def_op_enc.op_flags))
1008 encoder_capable = true;
1011 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) {
1012 if (check_matching_capabilities(
1013 op_cap->cap.turbo_dec.capability_flags,
1014 def_op_dec.op_flags))
1015 decoder_capable = true;
1021 if (encoder_capable == false)
1022 rte_exit(EXIT_FAILURE,
1023 "The specified BBDev %u doesn't have required encoder capabilities!\n",
1025 if (decoder_capable == false)
1026 rte_exit(EXIT_FAILURE,
1027 "The specified BBDev %u doesn't have required decoder capabilities!\n",
1030 prepare_bbdev_device(bbdev_id, &dev_info, app_params);
1034 main(int argc, char **argv)
1037 unsigned int nb_bbdevs, flags, lcore_id;
1039 struct app_config_params app_params = def_app_config;
1040 struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool;
1041 struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT];
1042 struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} };
1043 struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} };
1044 struct stats_lcore_params stats_lcore;
1045 struct rte_ring *enc_to_dec_ring;
1046 bool stats_thread_started = false;
1047 unsigned int master_lcore_id = rte_get_master_lcore();
1049 rte_atomic16_init(&global_exit_flag);
1051 sigret = signal(SIGTERM, signal_handler);
1052 if (sigret == SIG_ERR)
1053 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM);
1055 sigret = signal(SIGINT, signal_handler);
1056 if (sigret == SIG_ERR)
1057 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT);
1059 ret = rte_eal_init(argc, argv);
1061 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1066 /* parse application arguments (after the EAL ones) */
1067 ret = bbdev_parse_args(argc, argv, &app_params);
1069 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n");
1071 /*create bbdev op pools*/
1072 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] =
1073 rte_bbdev_op_pool_create("bbdev_op_pool_dec",
1074 RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id());
1075 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] =
1076 rte_bbdev_op_pool_create("bbdev_op_pool_enc",
1077 RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id());
1079 if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) ||
1080 (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL))
1081 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n");
1083 /* Create encoder to decoder ring */
1084 flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0;
1085 if (app_params.num_dec_cores == 1)
1086 flags |= RING_F_SC_DEQ;
1088 enc_to_dec_ring = rte_ring_create("enc_to_dec_ring",
1089 rte_align32pow2(NB_MBUF), rte_socket_id(), flags);
1091 /* Get the number of available bbdev devices */
1092 nb_bbdevs = rte_bbdev_count();
1093 if (nb_bbdevs <= app_params.bbdev_id)
1094 rte_exit(EXIT_FAILURE,
1095 "%u BBDevs detected, cannot use BBDev with ID %u!\n",
1096 nb_bbdevs, app_params.bbdev_id);
1097 printf("Number of bbdevs detected: %d\n", nb_bbdevs);
1099 if (!rte_eth_dev_is_valid_port(app_params.port_id))
1100 rte_exit(EXIT_FAILURE,
1101 "cannot use port with ID %u!\n",
1102 app_params.port_id);
1104 /* create the mbuf mempool for ethdev pkts */
1105 ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool",
1106 NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1107 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1108 if (ethdev_mbuf_mempool == NULL)
1109 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1111 /* create the mbuf mempool for encoder output */
1112 bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool",
1113 NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1114 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1115 if (bbdev_mbuf_mempool == NULL)
1116 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1118 /* initialize ports */
1119 ret = initialize_ports(&app_params, ethdev_mbuf_mempool);
1121 /* Check if all requested lcores are available */
1122 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id)
1123 if (((1ULL << lcore_id) & app_params.enc_core_mask) ||
1124 ((1ULL << lcore_id) & app_params.dec_core_mask))
1125 if (!rte_lcore_is_enabled(lcore_id))
1126 rte_exit(EXIT_FAILURE,
1127 "Requested lcore_id %u is not enabled!\n",
1130 /* Start ethernet port */
1131 ret = rte_eth_dev_start(app_params.port_id);
1133 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
1134 ret, app_params.port_id);
1136 ret = check_port_link_status(app_params.port_id);
1140 /* start BBDevice and save BBDev queue IDs */
1141 enable_bbdev(&app_params);
1143 /* Initialize the port/queue configuration of each logical core */
1144 lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools,
1145 bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats);
1147 stats_lcore.app_params = &app_params;
1148 stats_lcore.lconf = lcore_conf;
1150 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1151 if (lcore_conf[lcore_id].core_type != 0)
1152 /* launch per-lcore processing loop on slave lcores */
1153 rte_eal_remote_launch(processing_loop,
1154 &lcore_conf[lcore_id], lcore_id);
1155 else if (!stats_thread_started) {
1156 /* launch statistics printing loop */
1157 rte_eal_remote_launch(stats_loop, &stats_lcore,
1159 stats_thread_started = true;
1163 if (!stats_thread_started &&
1164 lcore_conf[master_lcore_id].core_type != 0)
1165 rte_exit(EXIT_FAILURE,
1166 "Not enough lcores to run the statistics printing loop!");
1167 else if (lcore_conf[master_lcore_id].core_type != 0)
1168 processing_loop(&lcore_conf[master_lcore_id]);
1169 else if (!stats_thread_started)
1170 stats_loop(&stats_lcore);
1172 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1173 ret |= rte_eal_wait_lcore(lcore_id);