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 = ETHER_MAX_LEN,
67 .header_split = 0, /**< Header Split disabled */
68 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
69 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
70 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
71 .hw_strip_crc = 0, /**< CRC stripped by hardware */
74 .mq_mode = ETH_MQ_TX_NONE,
78 struct rte_bbdev_op_turbo_enc def_op_enc = {
79 /* These values are arbitrarily put, and does not map to the real
80 * values for the data received from ethdev ports
87 .op_flags = RTE_BBDEV_TURBO_CRC_24A_ATTACH
90 struct rte_bbdev_op_turbo_dec def_op_dec = {
91 /* These values are arbitrarily put, and does not map to the real
92 * values for the data received from ethdev ports
103 .op_flags = RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN
106 struct app_config_params {
107 /* Placeholders for app params */
110 uint64_t enc_core_mask;
111 uint64_t dec_core_mask;
113 /* Values filled during init time */
114 uint16_t enc_queue_ids[RTE_MAX_LCORE];
115 uint16_t dec_queue_ids[RTE_MAX_LCORE];
116 uint16_t num_enc_cores;
117 uint16_t num_dec_cores;
120 struct lcore_statistics {
121 unsigned int enqueued;
122 unsigned int dequeued;
123 unsigned int rx_lost_packets;
124 unsigned int enc_to_dec_lost_packets;
125 unsigned int tx_lost_packets;
126 } __rte_cache_aligned;
128 /** each lcore configuration */
132 unsigned int port_id;
133 unsigned int rx_queue_id;
134 unsigned int tx_queue_id;
136 unsigned int bbdev_id;
137 unsigned int enc_queue_id;
138 unsigned int dec_queue_id;
140 uint8_t llr_temp_buf[NCB];
142 struct rte_mempool *bbdev_dec_op_pool;
143 struct rte_mempool *bbdev_enc_op_pool;
144 struct rte_mempool *enc_out_pool;
145 struct rte_ring *enc_to_dec_ring;
147 struct lcore_statistics *lcore_stats;
148 } __rte_cache_aligned;
150 struct stats_lcore_params {
151 struct lcore_conf *lconf;
152 struct app_config_params *app_params;
156 static const struct app_config_params def_app_config = {
159 .enc_core_mask = 0x2,
160 .dec_core_mask = 0x4,
165 static rte_atomic16_t global_exit_flag;
169 usage(const char *prgname)
171 printf("%s [EAL options] "
173 " --enc_cores - number of encoding cores (default = 0x2)\n"
174 " --dec_cores - number of decoding cores (default = 0x4)\n"
175 " --port_id - Ethernet port ID (default = 0)\n"
176 " --bbdev_id - BBDev ID (default = 0)\n"
180 /* parse core mask */
182 uint16_t bbdev_parse_mask(const char *mask)
187 /* parse hexadecimal string */
188 pm = strtoul(mask, &end, 16);
189 if ((mask[0] == '\0') || (end == NULL) || (*end != '\0'))
195 /* parse core mask */
197 uint16_t bbdev_parse_number(const char *mask)
202 /* parse hexadecimal string */
203 pm = strtoul(mask, &end, 10);
204 if ((mask[0] == '\0') || (end == NULL) || (*end != '\0'))
211 bbdev_parse_args(int argc, char **argv,
212 struct app_config_params *app_params)
217 char *prgname = argv[0];
219 static struct option lgopts[] = {
220 { "enc_core_mask", required_argument, 0, 'e' },
221 { "dec_core_mask", required_argument, 0, 'd' },
222 { "port_id", required_argument, 0, 'p' },
223 { "bbdev_id", required_argument, 0, 'b' },
227 BBDEV_ASSERT(argc != 0);
228 BBDEV_ASSERT(argv != NULL);
229 BBDEV_ASSERT(app_params != NULL);
231 while ((opt = getopt_long(argc, argv, "e:d:p:b:", lgopts, &opt_indx)) !=
235 app_params->enc_core_mask =
236 bbdev_parse_mask(optarg);
237 if (app_params->enc_core_mask == 0) {
241 app_params->num_enc_cores =
242 __builtin_popcount(app_params->enc_core_mask);
246 app_params->dec_core_mask =
247 bbdev_parse_mask(optarg);
248 if (app_params->dec_core_mask == 0) {
252 app_params->num_dec_cores =
253 __builtin_popcount(app_params->dec_core_mask);
257 app_params->port_id = bbdev_parse_number(optarg);
261 app_params->bbdev_id = bbdev_parse_number(optarg);
274 signal_handler(int signum)
276 printf("\nSignal %d received\n", signum);
277 rte_atomic16_set(&global_exit_flag, 1);
281 print_mac(unsigned int portid, struct ether_addr *bbdev_ports_eth_address)
283 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
284 (unsigned int) portid,
285 bbdev_ports_eth_address->addr_bytes[0],
286 bbdev_ports_eth_address->addr_bytes[1],
287 bbdev_ports_eth_address->addr_bytes[2],
288 bbdev_ports_eth_address->addr_bytes[3],
289 bbdev_ports_eth_address->addr_bytes[4],
290 bbdev_ports_eth_address->addr_bytes[5]);
294 pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free)
297 for (i = 0; i < nb_to_free; ++i)
298 rte_pktmbuf_free(mbufs[i]);
302 pktmbuf_userdata_free_bulk(struct rte_mbuf **mbufs, unsigned int nb_to_free)
305 for (i = 0; i < nb_to_free; ++i) {
306 struct rte_mbuf *rx_pkt = mbufs[i]->userdata;
307 rte_pktmbuf_free(rx_pkt);
308 rte_pktmbuf_free(mbufs[i]);
312 /* Check the link status of all ports in up to 9s, and print them finally */
314 check_port_link_status(uint16_t port_id)
316 #define CHECK_INTERVAL 100 /* 100ms */
317 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
319 struct rte_eth_link link;
321 printf("\nChecking link status.");
324 for (count = 0; count <= MAX_CHECK_TIME &&
325 !rte_atomic16_read(&global_exit_flag); count++) {
326 memset(&link, 0, sizeof(link));
327 rte_eth_link_get_nowait(port_id, &link);
329 if (link.link_status) {
330 const char *dp = (link.link_duplex ==
331 ETH_LINK_FULL_DUPLEX) ?
332 "full-duplex" : "half-duplex";
333 printf("\nPort %u Link Up - speed %u Mbps - %s\n",
334 port_id, link.link_speed, dp);
339 rte_delay_ms(CHECK_INTERVAL);
342 printf("\nPort %d Link Down\n", port_id);
347 add_ether_hdr(struct rte_mbuf *pkt_src, struct rte_mbuf *pkt_dst)
349 struct ether_hdr *eth_from;
350 struct ether_hdr *eth_to;
352 eth_from = rte_pktmbuf_mtod(pkt_src, struct ether_hdr *);
353 eth_to = rte_pktmbuf_mtod(pkt_dst, struct ether_hdr *);
356 rte_memcpy(eth_to, eth_from, sizeof(struct ether_hdr));
360 add_awgn(struct rte_mbuf **mbufs, uint16_t num_pkts)
363 RTE_SET_USED(num_pkts);
366 /* Encoder output to Decoder input adapter. The Decoder accepts only soft input
367 * so each bit of the encoder output must be translated into one byte of LLR. If
368 * Sub-block Deinterleaver is bypassed, which is the case, the padding bytes
369 * must additionally be insterted at the end of each sub-block.
372 transform_enc_out_dec_in(struct rte_mbuf **mbufs, uint8_t *temp_buf,
373 uint16_t num_pkts, uint16_t k)
376 uint16_t start_bit_idx;
379 uint16_t kpi = RTE_ALIGN_CEIL(d, 32);
380 uint16_t nd = kpi - d;
381 uint16_t ncb = 3 * kpi;
383 for (i = 0; i < num_pkts; ++i) {
384 uint16_t pkt_data_len = rte_pktmbuf_data_len(mbufs[i]) -
385 sizeof(struct ether_hdr);
387 /* Resize the packet if needed */
388 if (pkt_data_len < ncb) {
389 char *data = rte_pktmbuf_append(mbufs[i],
393 "Not enough space in decoder input packet");
396 /* Translate each bit into 1 LLR byte. */
399 for (j = 0; j < 3; ++j) {
400 for (l = start_bit_idx; l < start_bit_idx + d; ++l) {
401 uint8_t *data = rte_pktmbuf_mtod_offset(
403 sizeof(struct ether_hdr) + (l >> 3));
404 if (*data & (0x80 >> (l & 7)))
405 temp_buf[out_idx] = LLR_1_BIT;
407 temp_buf[out_idx] = LLR_0_BIT;
410 /* Padding bytes should be at the end of the sub-block.
412 memset(&temp_buf[out_idx], 0, nd);
417 rte_memcpy(rte_pktmbuf_mtod_offset(mbufs[i], uint8_t *,
418 sizeof(struct ether_hdr)), temp_buf, ncb);
423 verify_data(struct rte_mbuf **mbufs, uint16_t num_pkts)
426 for (i = 0; i < num_pkts; ++i) {
427 struct rte_mbuf *out = mbufs[i];
428 struct rte_mbuf *in = out->userdata;
430 if (memcmp(rte_pktmbuf_mtod_offset(in, uint8_t *,
431 sizeof(struct ether_hdr)),
432 rte_pktmbuf_mtod_offset(out, uint8_t *,
433 sizeof(struct ether_hdr)),
434 K / 8 - CRC_24B_LEN))
435 printf("Input and output buffers are not equal!\n");
440 initialize_ports(struct app_config_params *app_params,
441 struct rte_mempool *ethdev_mbuf_mempool)
444 uint16_t port_id = app_params->port_id;
446 /* ethernet addresses of ports */
447 struct ether_addr bbdev_port_eth_addr;
449 /* initialize ports */
450 printf("\nInitializing port %u...\n", app_params->port_id);
451 ret = rte_eth_dev_configure(port_id, app_params->num_enc_cores,
452 app_params->num_dec_cores, &port_conf);
455 printf("Cannot configure device: err=%d, port=%u\n",
460 /* initialize RX queues for encoder */
461 for (q = 0; q < app_params->num_enc_cores; q++) {
462 ret = rte_eth_rx_queue_setup(port_id, q,
463 RTE_TEST_RX_DESC_DEFAULT,
464 rte_eth_dev_socket_id(port_id),
465 NULL, ethdev_mbuf_mempool);
467 printf("rte_eth_rx_queue_setup: err=%d, queue=%u\n",
472 /* initialize TX queues for decoder */
473 for (q = 0; q < app_params->num_dec_cores; q++) {
474 ret = rte_eth_tx_queue_setup(port_id, q,
475 RTE_TEST_TX_DESC_DEFAULT,
476 rte_eth_dev_socket_id(port_id), NULL);
478 printf("rte_eth_tx_queue_setup: err=%d, queue=%u\n",
484 rte_eth_promiscuous_enable(port_id);
486 rte_eth_macaddr_get(port_id, &bbdev_port_eth_addr);
487 print_mac(port_id, &bbdev_port_eth_addr);
493 lcore_conf_init(struct app_config_params *app_params,
494 struct lcore_conf *lcore_conf,
495 struct rte_mempool **bbdev_op_pools,
496 struct rte_mempool *bbdev_mbuf_mempool,
497 struct rte_ring *enc_to_dec_ring,
498 struct lcore_statistics *lcore_stats)
500 unsigned int lcore_id;
501 struct lcore_conf *lconf;
502 uint16_t rx_queue_id = 0;
503 uint16_t tx_queue_id = 0;
504 uint16_t enc_q_id = 0;
505 uint16_t dec_q_id = 0;
507 /* Configure lcores */
508 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) {
509 lconf = &lcore_conf[lcore_id];
510 lconf->core_type = 0;
512 if ((1ULL << lcore_id) & app_params->enc_core_mask) {
513 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_ENC);
514 lconf->rx_queue_id = rx_queue_id++;
515 lconf->enc_queue_id =
516 app_params->enc_queue_ids[enc_q_id++];
519 if ((1ULL << lcore_id) & app_params->dec_core_mask) {
520 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_DEC);
521 lconf->tx_queue_id = tx_queue_id++;
522 lconf->dec_queue_id =
523 app_params->dec_queue_ids[dec_q_id++];
526 lconf->bbdev_enc_op_pool =
527 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC];
528 lconf->bbdev_dec_op_pool =
529 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC];
530 lconf->bbdev_id = app_params->bbdev_id;
531 lconf->port_id = app_params->port_id;
532 lconf->enc_out_pool = bbdev_mbuf_mempool;
533 lconf->enc_to_dec_ring = enc_to_dec_ring;
534 lconf->lcore_stats = &lcore_stats[lcore_id];
539 print_lcore_stats(struct lcore_statistics *lstats, unsigned int lcore_id)
541 static const char *stats_border = "_______";
543 printf("\nLcore %d: %s enqueued count:\t\t%u\n",
544 lcore_id, stats_border, lstats->enqueued);
545 printf("Lcore %d: %s dequeued count:\t\t%u\n",
546 lcore_id, stats_border, lstats->dequeued);
547 printf("Lcore %d: %s RX lost packets count:\t\t%u\n",
548 lcore_id, stats_border, lstats->rx_lost_packets);
549 printf("Lcore %d: %s encoder-to-decoder lost count:\t%u\n",
550 lcore_id, stats_border,
551 lstats->enc_to_dec_lost_packets);
552 printf("Lcore %d: %s TX lost packets count:\t\t%u\n",
553 lcore_id, stats_border, lstats->tx_lost_packets);
557 print_stats(struct stats_lcore_params *stats_lcore)
560 unsigned int bbdev_id = stats_lcore->app_params->bbdev_id;
561 unsigned int port_id = stats_lcore->app_params->port_id;
564 struct rte_eth_xstat *xstats;
565 struct rte_eth_xstat_name *xstats_names;
566 struct rte_bbdev_stats bbstats;
567 static const char *stats_border = "_______";
569 const char clr[] = { 27, '[', '2', 'J', '\0' };
570 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
572 /* Clear screen and move to top left */
573 printf("%s%s", clr, topLeft);
575 printf("PORT STATISTICS:\n================\n");
576 len = rte_eth_xstats_get(port_id, NULL, 0);
578 rte_exit(EXIT_FAILURE,
579 "rte_eth_xstats_get(%u) failed: %d", port_id,
582 xstats = calloc(len, sizeof(*xstats));
584 rte_exit(EXIT_FAILURE,
585 "Failed to calloc memory for xstats");
587 ret = rte_eth_xstats_get(port_id, xstats, len);
588 if (ret < 0 || ret > len) {
590 rte_exit(EXIT_FAILURE,
591 "rte_eth_xstats_get(%u) len%i failed: %d",
595 xstats_names = calloc(len, sizeof(*xstats_names));
596 if (xstats_names == NULL) {
598 rte_exit(EXIT_FAILURE,
599 "Failed to calloc memory for xstats_names");
602 ret = rte_eth_xstats_get_names(port_id, xstats_names, len);
603 if (ret < 0 || ret > len) {
606 rte_exit(EXIT_FAILURE,
607 "rte_eth_xstats_get_names(%u) len%i failed: %d",
611 for (i = 0; i < len; i++) {
612 if (xstats[i].value > 0)
613 printf("Port %u: %s %s:\t\t%"PRIu64"\n",
614 port_id, stats_border,
615 xstats_names[i].name,
619 printf("\nBBDEV STATISTICS:\n=================\n");
620 rte_bbdev_stats_get(bbdev_id, &bbstats);
621 printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n",
622 bbdev_id, stats_border,
623 bbstats.enqueued_count);
624 printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n",
625 bbdev_id, stats_border,
626 bbstats.dequeued_count);
627 printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n",
628 bbdev_id, stats_border,
629 bbstats.enqueue_err_count);
630 printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n",
631 bbdev_id, stats_border,
632 bbstats.dequeue_err_count);
634 printf("LCORE STATISTICS:\n=================\n");
635 for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) {
636 if (stats_lcore->lconf[l_id].core_type == 0)
638 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id);
646 stats_loop(void *arg)
648 struct stats_lcore_params *stats_lcore = arg;
650 while (!rte_atomic16_read(&global_exit_flag)) {
651 print_stats(stats_lcore);
659 run_encoding(struct lcore_conf *lcore_conf)
662 uint16_t port_id, rx_queue_id;
663 uint16_t bbdev_id, enc_queue_id;
664 uint16_t nb_rx, nb_enq, nb_deq, nb_sent;
665 struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST];
666 struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST];
667 struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST];
668 struct lcore_statistics *lcore_stats;
669 struct rte_mempool *bbdev_op_pool, *enc_out_pool;
670 struct rte_ring *enc_to_dec_ring;
671 const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN;
673 lcore_stats = lcore_conf->lcore_stats;
674 port_id = lcore_conf->port_id;
675 rx_queue_id = lcore_conf->rx_queue_id;
676 bbdev_id = lcore_conf->bbdev_id;
677 enc_queue_id = lcore_conf->enc_queue_id;
678 bbdev_op_pool = lcore_conf->bbdev_enc_op_pool;
679 enc_out_pool = lcore_conf->enc_out_pool;
680 enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
682 /* Read packet from RX queues*/
683 nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst,
688 if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts,
690 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
691 lcore_stats->rx_lost_packets += nb_rx;
695 if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
697 pktmbuf_free_bulk(enc_out_pkts, nb_rx);
698 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
699 lcore_stats->rx_lost_packets += nb_rx;
703 for (i = 0; i < nb_rx; i++) {
705 const uint16_t pkt_data_len =
706 rte_pktmbuf_data_len(rx_pkts_burst[i]) -
707 sizeof(struct ether_hdr);
708 /* save input mbuf pointer for later comparison */
709 enc_out_pkts[i]->userdata = rx_pkts_burst[i];
711 /* copy ethernet header */
712 rte_pktmbuf_reset(enc_out_pkts[i]);
713 data = rte_pktmbuf_append(enc_out_pkts[i],
714 sizeof(struct ether_hdr));
717 "Not enough space for ethernet header in encoder output mbuf\n");
720 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]);
723 bbdev_ops_burst[i]->turbo_enc = def_op_enc;
725 bbdev_ops_burst[i]->turbo_enc.input.data =
727 bbdev_ops_burst[i]->turbo_enc.input.offset =
728 sizeof(struct ether_hdr);
729 /* Encoder will attach the CRC24B, adjust the length */
730 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len;
732 if (in_data_len < pkt_data_len)
733 rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len -
735 else if (in_data_len > pkt_data_len) {
736 data = rte_pktmbuf_append(rx_pkts_burst[i],
737 in_data_len - pkt_data_len);
740 "Not enough storage in mbuf to perform the encoding\n");
743 bbdev_ops_burst[i]->turbo_enc.output.data =
745 bbdev_ops_burst[i]->turbo_enc.output.offset =
746 sizeof(struct ether_hdr);
749 /* Enqueue packets on BBDevice */
750 nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id,
751 bbdev_ops_burst, nb_rx);
752 if (unlikely(nb_enq < nb_rx)) {
753 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_enq],
755 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq],
757 lcore_stats->rx_lost_packets += nb_rx - nb_enq;
763 lcore_stats->enqueued += nb_enq;
765 /* Dequeue packets from bbdev device*/
768 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id,
769 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
770 } while (unlikely(nb_deq < nb_enq));
772 lcore_stats->dequeued += nb_deq;
774 /* Generate and add AWGN */
775 add_awgn(enc_out_pkts, nb_deq);
777 rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq);
779 /* Enqueue packets to encoder-to-decoder ring */
780 nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts,
782 if (unlikely(nb_sent < nb_deq)) {
783 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_sent],
785 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent;
790 run_decoding(struct lcore_conf *lcore_conf)
793 uint16_t port_id, tx_queue_id;
794 uint16_t bbdev_id, bbdev_queue_id;
795 uint16_t nb_recv, nb_enq, nb_deq, nb_tx;
796 uint8_t *llr_temp_buf;
797 struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST];
798 struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST];
799 struct lcore_statistics *lcore_stats;
800 struct rte_mempool *bbdev_op_pool;
801 struct rte_ring *enc_to_dec_ring;
803 lcore_stats = lcore_conf->lcore_stats;
804 port_id = lcore_conf->port_id;
805 tx_queue_id = lcore_conf->tx_queue_id;
806 bbdev_id = lcore_conf->bbdev_id;
807 bbdev_queue_id = lcore_conf->dec_queue_id;
808 bbdev_op_pool = lcore_conf->bbdev_dec_op_pool;
809 enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
810 llr_temp_buf = lcore_conf->llr_temp_buf;
812 /* Dequeue packets from the ring */
813 nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring,
814 (void **)recv_pkts_burst, MAX_PKT_BURST, NULL);
818 if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
820 pktmbuf_userdata_free_bulk(recv_pkts_burst, nb_recv);
821 lcore_stats->rx_lost_packets += nb_recv;
825 transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv,
826 def_op_dec.cb_params.k);
828 for (i = 0; i < nb_recv; i++) {
830 bbdev_ops_burst[i]->turbo_dec = def_op_dec;
832 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i];
833 bbdev_ops_burst[i]->turbo_dec.input.offset =
834 sizeof(struct ether_hdr);
835 bbdev_ops_burst[i]->turbo_dec.input.length =
836 rte_pktmbuf_data_len(recv_pkts_burst[i])
837 - sizeof(struct ether_hdr);
839 bbdev_ops_burst[i]->turbo_dec.hard_output.data =
841 bbdev_ops_burst[i]->turbo_dec.hard_output.offset =
842 sizeof(struct ether_hdr);
845 /* Enqueue packets on BBDevice */
846 nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id,
847 bbdev_ops_burst, nb_recv);
848 if (unlikely(nb_enq < nb_recv)) {
849 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_enq],
851 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq],
853 lcore_stats->rx_lost_packets += nb_recv - nb_enq;
859 lcore_stats->enqueued += nb_enq;
861 /* Dequeue packets from BBDevice */
864 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id,
865 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
866 } while (unlikely(nb_deq < nb_enq));
868 lcore_stats->dequeued += nb_deq;
870 rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq);
872 verify_data(recv_pkts_burst, nb_deq);
874 /* Free the RX mbufs after verification */
875 for (i = 0; i < nb_deq; ++i)
876 rte_pktmbuf_free(recv_pkts_burst[i]->userdata);
878 /* Transmit the packets */
879 nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq);
880 if (unlikely(nb_tx < nb_deq)) {
881 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_tx],
883 lcore_stats->tx_lost_packets += nb_deq - nb_tx;
888 processing_loop(void *arg)
890 struct lcore_conf *lcore_conf = arg;
891 const bool run_encoder = (lcore_conf->core_type &
892 (1 << RTE_BBDEV_OP_TURBO_ENC));
893 const bool run_decoder = (lcore_conf->core_type &
894 (1 << RTE_BBDEV_OP_TURBO_DEC));
896 while (!rte_atomic16_read(&global_exit_flag)) {
898 run_encoding(lcore_conf);
900 run_decoding(lcore_conf);
907 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info,
908 struct app_config_params *app_params)
911 unsigned int q_id, dec_q_id, enc_q_id;
912 struct rte_bbdev_queue_conf qconf = {0};
913 uint16_t dec_qs_nb = app_params->num_dec_cores;
914 uint16_t enc_qs_nb = app_params->num_enc_cores;
915 uint16_t tot_qs = dec_qs_nb + enc_qs_nb;
917 ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id);
919 rte_exit(EXIT_FAILURE,
920 "ERROR(%d): BBDEV %u not configured properly\n",
923 /* setup device DEC queues */
924 qconf.socket = info->socket_id;
925 qconf.queue_size = info->drv.queue_size_lim;
926 qconf.op_type = RTE_BBDEV_OP_TURBO_DEC;
928 for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) {
929 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
931 rte_exit(EXIT_FAILURE,
932 "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n",
934 app_params->dec_queue_ids[dec_q_id++] = q_id;
937 /* setup device ENC queues */
938 qconf.op_type = RTE_BBDEV_OP_TURBO_ENC;
940 for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) {
941 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
943 rte_exit(EXIT_FAILURE,
944 "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n",
946 app_params->enc_queue_ids[enc_q_id++] = q_id;
949 ret = rte_bbdev_start(dev_id);
952 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n",
955 printf("BBdev %u started\n", dev_id);
961 check_matching_capabilities(uint64_t mask, uint64_t required_mask)
963 return (mask & required_mask) == required_mask;
967 enable_bbdev(struct app_config_params *app_params)
969 struct rte_bbdev_info dev_info;
970 const struct rte_bbdev_op_cap *op_cap;
971 uint16_t bbdev_id = app_params->bbdev_id;
972 bool encoder_capable = false;
973 bool decoder_capable = false;
975 rte_bbdev_info_get(bbdev_id, &dev_info);
976 op_cap = dev_info.drv.capabilities;
978 while (op_cap->type != RTE_BBDEV_OP_NONE) {
979 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) {
980 if (check_matching_capabilities(
981 op_cap->cap.turbo_enc.capability_flags,
982 def_op_enc.op_flags))
983 encoder_capable = true;
986 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) {
987 if (check_matching_capabilities(
988 op_cap->cap.turbo_dec.capability_flags,
989 def_op_dec.op_flags))
990 decoder_capable = true;
996 if (encoder_capable == false)
997 rte_exit(EXIT_FAILURE,
998 "The specified BBDev %u doesn't have required encoder capabilities!\n",
1000 if (decoder_capable == false)
1001 rte_exit(EXIT_FAILURE,
1002 "The specified BBDev %u doesn't have required decoder capabilities!\n",
1005 prepare_bbdev_device(bbdev_id, &dev_info, app_params);
1009 main(int argc, char **argv)
1012 unsigned int nb_bbdevs, nb_ports, flags, lcore_id;
1014 struct app_config_params app_params = def_app_config;
1015 struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool;
1016 struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT];
1017 struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} };
1018 struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} };
1019 struct stats_lcore_params stats_lcore;
1020 struct rte_ring *enc_to_dec_ring;
1021 bool stats_thread_started = false;
1022 unsigned int master_lcore_id = rte_get_master_lcore();
1024 rte_atomic16_init(&global_exit_flag);
1026 sigret = signal(SIGTERM, signal_handler);
1027 if (sigret == SIG_ERR)
1028 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM);
1030 sigret = signal(SIGINT, signal_handler);
1031 if (sigret == SIG_ERR)
1032 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT);
1034 ret = rte_eal_init(argc, argv);
1036 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1041 /* parse application arguments (after the EAL ones) */
1042 ret = bbdev_parse_args(argc, argv, &app_params);
1044 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n");
1046 /*create bbdev op pools*/
1047 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] =
1048 rte_bbdev_op_pool_create("bbdev_op_pool_dec",
1049 RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id());
1050 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] =
1051 rte_bbdev_op_pool_create("bbdev_op_pool_enc",
1052 RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id());
1054 if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) ||
1055 (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL))
1056 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n");
1058 /* Create encoder to decoder ring */
1059 flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0;
1060 if (app_params.num_dec_cores == 1)
1061 flags |= RING_F_SC_DEQ;
1063 enc_to_dec_ring = rte_ring_create("enc_to_dec_ring",
1064 rte_align32pow2(NB_MBUF), rte_socket_id(), flags);
1066 /* Get the number of available bbdev devices */
1067 nb_bbdevs = rte_bbdev_count();
1068 if (nb_bbdevs <= app_params.bbdev_id)
1069 rte_exit(EXIT_FAILURE,
1070 "%u BBDevs detected, cannot use BBDev with ID %u!\n",
1071 nb_bbdevs, app_params.bbdev_id);
1072 printf("Number of bbdevs detected: %d\n", nb_bbdevs);
1074 /* Get the number of available ethdev devices */
1075 nb_ports = rte_eth_dev_count();
1076 if (nb_ports <= app_params.port_id)
1077 rte_exit(EXIT_FAILURE,
1078 "%u ports detected, cannot use port with ID %u!\n",
1079 nb_ports, app_params.port_id);
1081 /* create the mbuf mempool for ethdev pkts */
1082 ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool",
1083 NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1084 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1085 if (ethdev_mbuf_mempool == NULL)
1086 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1088 /* create the mbuf mempool for encoder output */
1089 bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool",
1090 NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1091 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1092 if (bbdev_mbuf_mempool == NULL)
1093 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1095 /* initialize ports */
1096 ret = initialize_ports(&app_params, ethdev_mbuf_mempool);
1098 /* Check if all requested lcores are available */
1099 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id)
1100 if (((1ULL << lcore_id) & app_params.enc_core_mask) ||
1101 ((1ULL << lcore_id) & app_params.dec_core_mask))
1102 if (!rte_lcore_is_enabled(lcore_id))
1103 rte_exit(EXIT_FAILURE,
1104 "Requested lcore_id %u is not enabled!\n",
1107 /* Start ethernet port */
1108 ret = rte_eth_dev_start(app_params.port_id);
1110 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
1111 ret, app_params.port_id);
1113 ret = check_port_link_status(app_params.port_id);
1117 /* start BBDevice and save BBDev queue IDs */
1118 enable_bbdev(&app_params);
1120 /* Initialize the port/queue configuration of each logical core */
1121 lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools,
1122 bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats);
1124 stats_lcore.app_params = &app_params;
1125 stats_lcore.lconf = lcore_conf;
1127 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1128 if (lcore_conf[lcore_id].core_type != 0)
1129 /* launch per-lcore processing loop on slave lcores */
1130 rte_eal_remote_launch(processing_loop,
1131 &lcore_conf[lcore_id], lcore_id);
1132 else if (!stats_thread_started) {
1133 /* launch statistics printing loop */
1134 rte_eal_remote_launch(stats_loop, &stats_lcore,
1136 stats_thread_started = true;
1140 if (!stats_thread_started &&
1141 lcore_conf[master_lcore_id].core_type != 0)
1142 rte_exit(EXIT_FAILURE,
1143 "Not enough lcores to run the statistics printing loop!");
1144 else if (lcore_conf[master_lcore_id].core_type != 0)
1145 processing_loop(&lcore_conf[master_lcore_id]);
1146 else if (!stats_thread_started)
1147 stats_loop(&stats_lcore);
1149 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1150 ret |= rte_eal_wait_lcore(lcore_id);