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 %u Mbps - %s\n",
330 port_id, link.link_speed, dp);
335 rte_delay_ms(CHECK_INTERVAL);
338 if (link_get_err >= 0)
339 printf("\nPort %d Link Down\n", port_id);
341 printf("\nGet link failed (port %d): %s\n", port_id,
342 rte_strerror(-link_get_err));
348 add_ether_hdr(struct rte_mbuf *pkt_src, struct rte_mbuf *pkt_dst)
350 struct rte_ether_hdr *eth_from;
351 struct rte_ether_hdr *eth_to;
353 eth_from = rte_pktmbuf_mtod(pkt_src, struct rte_ether_hdr *);
354 eth_to = rte_pktmbuf_mtod(pkt_dst, struct rte_ether_hdr *);
357 rte_memcpy(eth_to, eth_from, sizeof(struct rte_ether_hdr));
361 add_awgn(struct rte_mbuf **mbufs, uint16_t num_pkts)
364 RTE_SET_USED(num_pkts);
367 /* Encoder output to Decoder input adapter. The Decoder accepts only soft input
368 * so each bit of the encoder output must be translated into one byte of LLR. If
369 * Sub-block Deinterleaver is bypassed, which is the case, the padding bytes
370 * must additionally be insterted at the end of each sub-block.
373 transform_enc_out_dec_in(struct rte_mbuf **mbufs, uint8_t *temp_buf,
374 uint16_t num_pkts, uint16_t k)
377 uint16_t start_bit_idx;
380 uint16_t kpi = RTE_ALIGN_CEIL(d, 32);
381 uint16_t nd = kpi - d;
382 uint16_t ncb = 3 * kpi;
384 for (i = 0; i < num_pkts; ++i) {
385 uint16_t pkt_data_len = rte_pktmbuf_data_len(mbufs[i]) -
386 sizeof(struct rte_ether_hdr);
388 /* Resize the packet if needed */
389 if (pkt_data_len < ncb) {
390 char *data = rte_pktmbuf_append(mbufs[i],
394 "Not enough space in decoder input packet");
397 /* Translate each bit into 1 LLR byte. */
400 for (j = 0; j < 3; ++j) {
401 for (l = start_bit_idx; l < start_bit_idx + d; ++l) {
402 uint8_t *data = rte_pktmbuf_mtod_offset(
404 sizeof(struct rte_ether_hdr) +
406 if (*data & (0x80 >> (l & 7)))
407 temp_buf[out_idx] = LLR_1_BIT;
409 temp_buf[out_idx] = LLR_0_BIT;
412 /* Padding bytes should be at the end of the sub-block.
414 memset(&temp_buf[out_idx], 0, nd);
419 rte_memcpy(rte_pktmbuf_mtod_offset(mbufs[i], uint8_t *,
420 sizeof(struct rte_ether_hdr)), temp_buf, ncb);
425 verify_data(struct rte_mbuf **mbufs, uint16_t num_pkts)
428 for (i = 0; i < num_pkts; ++i) {
429 struct rte_mbuf *out = mbufs[i];
430 struct rte_mbuf *in = out->userdata;
432 if (memcmp(rte_pktmbuf_mtod_offset(in, uint8_t *,
433 sizeof(struct rte_ether_hdr)),
434 rte_pktmbuf_mtod_offset(out, uint8_t *,
435 sizeof(struct rte_ether_hdr)),
436 K / 8 - CRC_24B_LEN))
437 printf("Input and output buffers are not equal!\n");
442 initialize_ports(struct app_config_params *app_params,
443 struct rte_mempool *ethdev_mbuf_mempool)
446 uint16_t port_id = app_params->port_id;
448 /* ethernet addresses of ports */
449 struct rte_ether_addr bbdev_port_eth_addr;
451 /* initialize ports */
452 printf("\nInitializing port %u...\n", app_params->port_id);
453 ret = rte_eth_dev_configure(port_id, app_params->num_enc_cores,
454 app_params->num_dec_cores, &port_conf);
457 printf("Cannot configure device: err=%d, port=%u\n",
462 /* initialize RX queues for encoder */
463 for (q = 0; q < app_params->num_enc_cores; q++) {
464 ret = rte_eth_rx_queue_setup(port_id, q,
465 RTE_TEST_RX_DESC_DEFAULT,
466 rte_eth_dev_socket_id(port_id),
467 NULL, ethdev_mbuf_mempool);
469 printf("rte_eth_rx_queue_setup: err=%d, queue=%u\n",
474 /* initialize TX queues for decoder */
475 for (q = 0; q < app_params->num_dec_cores; q++) {
476 ret = rte_eth_tx_queue_setup(port_id, q,
477 RTE_TEST_TX_DESC_DEFAULT,
478 rte_eth_dev_socket_id(port_id), NULL);
480 printf("rte_eth_tx_queue_setup: err=%d, queue=%u\n",
486 ret = rte_eth_promiscuous_enable(port_id);
488 printf("Cannot enable promiscuous mode: err=%s, port=%u\n",
489 rte_strerror(-ret), port_id);
493 ret = rte_eth_macaddr_get(port_id, &bbdev_port_eth_addr);
495 printf("rte_eth_macaddr_get: err=%d, queue=%u\n",
500 print_mac(port_id, &bbdev_port_eth_addr);
506 lcore_conf_init(struct app_config_params *app_params,
507 struct lcore_conf *lcore_conf,
508 struct rte_mempool **bbdev_op_pools,
509 struct rte_mempool *bbdev_mbuf_mempool,
510 struct rte_ring *enc_to_dec_ring,
511 struct lcore_statistics *lcore_stats)
513 unsigned int lcore_id;
514 struct lcore_conf *lconf;
515 uint16_t rx_queue_id = 0;
516 uint16_t tx_queue_id = 0;
517 uint16_t enc_q_id = 0;
518 uint16_t dec_q_id = 0;
520 /* Configure lcores */
521 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id) {
522 lconf = &lcore_conf[lcore_id];
523 lconf->core_type = 0;
525 if ((1ULL << lcore_id) & app_params->enc_core_mask) {
526 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_ENC);
527 lconf->rx_queue_id = rx_queue_id++;
528 lconf->enc_queue_id =
529 app_params->enc_queue_ids[enc_q_id++];
532 if ((1ULL << lcore_id) & app_params->dec_core_mask) {
533 lconf->core_type |= (1 << RTE_BBDEV_OP_TURBO_DEC);
534 lconf->tx_queue_id = tx_queue_id++;
535 lconf->dec_queue_id =
536 app_params->dec_queue_ids[dec_q_id++];
539 lconf->bbdev_enc_op_pool =
540 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC];
541 lconf->bbdev_dec_op_pool =
542 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC];
543 lconf->bbdev_id = app_params->bbdev_id;
544 lconf->port_id = app_params->port_id;
545 lconf->enc_out_pool = bbdev_mbuf_mempool;
546 lconf->enc_to_dec_ring = enc_to_dec_ring;
547 lconf->lcore_stats = &lcore_stats[lcore_id];
552 print_lcore_stats(struct lcore_statistics *lstats, unsigned int lcore_id)
554 static const char *stats_border = "_______";
556 printf("\nLcore %d: %s enqueued count:\t\t%u\n",
557 lcore_id, stats_border, lstats->enqueued);
558 printf("Lcore %d: %s dequeued count:\t\t%u\n",
559 lcore_id, stats_border, lstats->dequeued);
560 printf("Lcore %d: %s RX lost packets count:\t\t%u\n",
561 lcore_id, stats_border, lstats->rx_lost_packets);
562 printf("Lcore %d: %s encoder-to-decoder lost count:\t%u\n",
563 lcore_id, stats_border,
564 lstats->enc_to_dec_lost_packets);
565 printf("Lcore %d: %s TX lost packets count:\t\t%u\n",
566 lcore_id, stats_border, lstats->tx_lost_packets);
570 print_stats(struct stats_lcore_params *stats_lcore)
573 unsigned int bbdev_id = stats_lcore->app_params->bbdev_id;
574 unsigned int port_id = stats_lcore->app_params->port_id;
577 struct rte_eth_xstat *xstats;
578 struct rte_eth_xstat_name *xstats_names;
579 struct rte_bbdev_stats bbstats;
580 static const char *stats_border = "_______";
582 const char clr[] = { 27, '[', '2', 'J', '\0' };
583 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
585 /* Clear screen and move to top left */
586 printf("%s%s", clr, topLeft);
588 printf("PORT STATISTICS:\n================\n");
589 len = rte_eth_xstats_get(port_id, NULL, 0);
591 rte_exit(EXIT_FAILURE,
592 "rte_eth_xstats_get(%u) failed: %d", port_id,
595 xstats = calloc(len, sizeof(*xstats));
597 rte_exit(EXIT_FAILURE,
598 "Failed to calloc memory for xstats");
600 ret = rte_eth_xstats_get(port_id, xstats, len);
601 if (ret < 0 || ret > len) {
603 rte_exit(EXIT_FAILURE,
604 "rte_eth_xstats_get(%u) len%i failed: %d",
608 xstats_names = calloc(len, sizeof(*xstats_names));
609 if (xstats_names == NULL) {
611 rte_exit(EXIT_FAILURE,
612 "Failed to calloc memory for xstats_names");
615 ret = rte_eth_xstats_get_names(port_id, xstats_names, len);
616 if (ret < 0 || ret > len) {
619 rte_exit(EXIT_FAILURE,
620 "rte_eth_xstats_get_names(%u) len%i failed: %d",
624 for (i = 0; i < len; i++) {
625 if (xstats[i].value > 0)
626 printf("Port %u: %s %s:\t\t%"PRIu64"\n",
627 port_id, stats_border,
628 xstats_names[i].name,
632 ret = rte_bbdev_stats_get(bbdev_id, &bbstats);
636 rte_exit(EXIT_FAILURE,
637 "ERROR(%d): Failure to get BBDEV %u statistics\n",
641 printf("\nBBDEV STATISTICS:\n=================\n");
642 printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n",
643 bbdev_id, stats_border,
644 bbstats.enqueued_count);
645 printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n",
646 bbdev_id, stats_border,
647 bbstats.dequeued_count);
648 printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n",
649 bbdev_id, stats_border,
650 bbstats.enqueue_err_count);
651 printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n",
652 bbdev_id, stats_border,
653 bbstats.dequeue_err_count);
655 printf("LCORE STATISTICS:\n=================\n");
656 for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) {
657 if (stats_lcore->lconf[l_id].core_type == 0)
659 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id);
669 stats_loop(void *arg)
671 struct stats_lcore_params *stats_lcore = arg;
673 while (!rte_atomic16_read(&global_exit_flag)) {
674 print_stats(stats_lcore);
682 run_encoding(struct lcore_conf *lcore_conf)
685 uint16_t port_id, rx_queue_id;
686 uint16_t bbdev_id, enc_queue_id;
687 uint16_t nb_rx, nb_enq, nb_deq, nb_sent;
688 struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST];
689 struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST];
690 struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST];
691 struct lcore_statistics *lcore_stats;
692 struct rte_mempool *bbdev_op_pool, *enc_out_pool;
693 struct rte_ring *enc_to_dec_ring;
694 const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN;
696 lcore_stats = lcore_conf->lcore_stats;
697 port_id = lcore_conf->port_id;
698 rx_queue_id = lcore_conf->rx_queue_id;
699 bbdev_id = lcore_conf->bbdev_id;
700 enc_queue_id = lcore_conf->enc_queue_id;
701 bbdev_op_pool = lcore_conf->bbdev_enc_op_pool;
702 enc_out_pool = lcore_conf->enc_out_pool;
703 enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
705 /* Read packet from RX queues*/
706 nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst,
711 if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts,
713 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
714 lcore_stats->rx_lost_packets += nb_rx;
718 if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
720 pktmbuf_free_bulk(enc_out_pkts, nb_rx);
721 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
722 lcore_stats->rx_lost_packets += nb_rx;
726 for (i = 0; i < nb_rx; i++) {
728 const uint16_t pkt_data_len =
729 rte_pktmbuf_data_len(rx_pkts_burst[i]) -
730 sizeof(struct rte_ether_hdr);
731 /* save input mbuf pointer for later comparison */
732 enc_out_pkts[i]->userdata = rx_pkts_burst[i];
734 /* copy ethernet header */
735 rte_pktmbuf_reset(enc_out_pkts[i]);
736 data = rte_pktmbuf_append(enc_out_pkts[i],
737 sizeof(struct rte_ether_hdr));
740 "Not enough space for ethernet header in encoder output mbuf\n");
743 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]);
746 bbdev_ops_burst[i]->turbo_enc = def_op_enc;
748 bbdev_ops_burst[i]->turbo_enc.input.data =
750 bbdev_ops_burst[i]->turbo_enc.input.offset =
751 sizeof(struct rte_ether_hdr);
752 /* Encoder will attach the CRC24B, adjust the length */
753 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len;
755 if (in_data_len < pkt_data_len)
756 rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len -
758 else if (in_data_len > pkt_data_len) {
759 data = rte_pktmbuf_append(rx_pkts_burst[i],
760 in_data_len - pkt_data_len);
763 "Not enough storage in mbuf to perform the encoding\n");
766 bbdev_ops_burst[i]->turbo_enc.output.data =
768 bbdev_ops_burst[i]->turbo_enc.output.offset =
769 sizeof(struct rte_ether_hdr);
772 /* Enqueue packets on BBDevice */
773 nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id,
774 bbdev_ops_burst, nb_rx);
775 if (unlikely(nb_enq < nb_rx)) {
776 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_enq],
778 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq],
780 lcore_stats->rx_lost_packets += nb_rx - nb_enq;
786 lcore_stats->enqueued += nb_enq;
788 /* Dequeue packets from bbdev device*/
791 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id,
792 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
793 } while (unlikely(nb_deq < nb_enq));
795 lcore_stats->dequeued += nb_deq;
797 /* Generate and add AWGN */
798 add_awgn(enc_out_pkts, nb_deq);
800 rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq);
802 /* Enqueue packets to encoder-to-decoder ring */
803 nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts,
805 if (unlikely(nb_sent < nb_deq)) {
806 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_sent],
808 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent;
813 run_decoding(struct lcore_conf *lcore_conf)
816 uint16_t port_id, tx_queue_id;
817 uint16_t bbdev_id, bbdev_queue_id;
818 uint16_t nb_recv, nb_enq, nb_deq, nb_tx;
819 uint8_t *llr_temp_buf;
820 struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST];
821 struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST];
822 struct lcore_statistics *lcore_stats;
823 struct rte_mempool *bbdev_op_pool;
824 struct rte_ring *enc_to_dec_ring;
826 lcore_stats = lcore_conf->lcore_stats;
827 port_id = lcore_conf->port_id;
828 tx_queue_id = lcore_conf->tx_queue_id;
829 bbdev_id = lcore_conf->bbdev_id;
830 bbdev_queue_id = lcore_conf->dec_queue_id;
831 bbdev_op_pool = lcore_conf->bbdev_dec_op_pool;
832 enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
833 llr_temp_buf = lcore_conf->llr_temp_buf;
835 /* Dequeue packets from the ring */
836 nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring,
837 (void **)recv_pkts_burst, MAX_PKT_BURST, NULL);
841 if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
843 pktmbuf_userdata_free_bulk(recv_pkts_burst, nb_recv);
844 lcore_stats->rx_lost_packets += nb_recv;
848 transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv,
849 def_op_dec.cb_params.k);
851 for (i = 0; i < nb_recv; i++) {
853 bbdev_ops_burst[i]->turbo_dec = def_op_dec;
855 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i];
856 bbdev_ops_burst[i]->turbo_dec.input.offset =
857 sizeof(struct rte_ether_hdr);
858 bbdev_ops_burst[i]->turbo_dec.input.length =
859 rte_pktmbuf_data_len(recv_pkts_burst[i])
860 - sizeof(struct rte_ether_hdr);
862 bbdev_ops_burst[i]->turbo_dec.hard_output.data =
864 bbdev_ops_burst[i]->turbo_dec.hard_output.offset =
865 sizeof(struct rte_ether_hdr);
868 /* Enqueue packets on BBDevice */
869 nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id,
870 bbdev_ops_burst, nb_recv);
871 if (unlikely(nb_enq < nb_recv)) {
872 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_enq],
874 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq],
876 lcore_stats->rx_lost_packets += nb_recv - nb_enq;
882 lcore_stats->enqueued += nb_enq;
884 /* Dequeue packets from BBDevice */
887 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id,
888 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
889 } while (unlikely(nb_deq < nb_enq));
891 lcore_stats->dequeued += nb_deq;
893 rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq);
895 verify_data(recv_pkts_burst, nb_deq);
897 /* Free the RX mbufs after verification */
898 for (i = 0; i < nb_deq; ++i)
899 rte_pktmbuf_free(recv_pkts_burst[i]->userdata);
901 /* Transmit the packets */
902 nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq);
903 if (unlikely(nb_tx < nb_deq)) {
904 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_tx],
906 lcore_stats->tx_lost_packets += nb_deq - nb_tx;
911 processing_loop(void *arg)
913 struct lcore_conf *lcore_conf = arg;
914 const bool run_encoder = (lcore_conf->core_type &
915 (1 << RTE_BBDEV_OP_TURBO_ENC));
916 const bool run_decoder = (lcore_conf->core_type &
917 (1 << RTE_BBDEV_OP_TURBO_DEC));
919 while (!rte_atomic16_read(&global_exit_flag)) {
921 run_encoding(lcore_conf);
923 run_decoding(lcore_conf);
930 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info,
931 struct app_config_params *app_params)
934 unsigned int q_id, dec_q_id, enc_q_id;
935 struct rte_bbdev_queue_conf qconf = {0};
936 uint16_t dec_qs_nb = app_params->num_dec_cores;
937 uint16_t enc_qs_nb = app_params->num_enc_cores;
938 uint16_t tot_qs = dec_qs_nb + enc_qs_nb;
940 ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id);
942 rte_exit(EXIT_FAILURE,
943 "ERROR(%d): BBDEV %u not configured properly\n",
946 /* setup device DEC queues */
947 qconf.socket = info->socket_id;
948 qconf.queue_size = info->drv.queue_size_lim;
949 qconf.op_type = RTE_BBDEV_OP_TURBO_DEC;
951 for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) {
952 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
954 rte_exit(EXIT_FAILURE,
955 "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n",
957 app_params->dec_queue_ids[dec_q_id++] = q_id;
960 /* setup device ENC queues */
961 qconf.op_type = RTE_BBDEV_OP_TURBO_ENC;
963 for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) {
964 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
966 rte_exit(EXIT_FAILURE,
967 "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n",
969 app_params->enc_queue_ids[enc_q_id++] = q_id;
972 ret = rte_bbdev_start(dev_id);
975 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n",
978 printf("BBdev %u started\n", dev_id);
984 check_matching_capabilities(uint64_t mask, uint64_t required_mask)
986 return (mask & required_mask) == required_mask;
990 enable_bbdev(struct app_config_params *app_params)
992 struct rte_bbdev_info dev_info;
993 const struct rte_bbdev_op_cap *op_cap;
994 uint16_t bbdev_id = app_params->bbdev_id;
995 bool encoder_capable = false;
996 bool decoder_capable = false;
998 rte_bbdev_info_get(bbdev_id, &dev_info);
999 op_cap = dev_info.drv.capabilities;
1001 while (op_cap->type != RTE_BBDEV_OP_NONE) {
1002 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) {
1003 if (check_matching_capabilities(
1004 op_cap->cap.turbo_enc.capability_flags,
1005 def_op_enc.op_flags))
1006 encoder_capable = true;
1009 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) {
1010 if (check_matching_capabilities(
1011 op_cap->cap.turbo_dec.capability_flags,
1012 def_op_dec.op_flags))
1013 decoder_capable = true;
1019 if (encoder_capable == false)
1020 rte_exit(EXIT_FAILURE,
1021 "The specified BBDev %u doesn't have required encoder capabilities!\n",
1023 if (decoder_capable == false)
1024 rte_exit(EXIT_FAILURE,
1025 "The specified BBDev %u doesn't have required decoder capabilities!\n",
1028 prepare_bbdev_device(bbdev_id, &dev_info, app_params);
1032 main(int argc, char **argv)
1035 unsigned int nb_bbdevs, flags, lcore_id;
1037 struct app_config_params app_params = def_app_config;
1038 struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool;
1039 struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT];
1040 struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} };
1041 struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} };
1042 struct stats_lcore_params stats_lcore;
1043 struct rte_ring *enc_to_dec_ring;
1044 bool stats_thread_started = false;
1045 unsigned int master_lcore_id = rte_get_master_lcore();
1047 rte_atomic16_init(&global_exit_flag);
1049 sigret = signal(SIGTERM, signal_handler);
1050 if (sigret == SIG_ERR)
1051 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM);
1053 sigret = signal(SIGINT, signal_handler);
1054 if (sigret == SIG_ERR)
1055 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT);
1057 ret = rte_eal_init(argc, argv);
1059 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1064 /* parse application arguments (after the EAL ones) */
1065 ret = bbdev_parse_args(argc, argv, &app_params);
1067 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n");
1069 /*create bbdev op pools*/
1070 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] =
1071 rte_bbdev_op_pool_create("bbdev_op_pool_dec",
1072 RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id());
1073 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] =
1074 rte_bbdev_op_pool_create("bbdev_op_pool_enc",
1075 RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id());
1077 if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) ||
1078 (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL))
1079 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n");
1081 /* Create encoder to decoder ring */
1082 flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0;
1083 if (app_params.num_dec_cores == 1)
1084 flags |= RING_F_SC_DEQ;
1086 enc_to_dec_ring = rte_ring_create("enc_to_dec_ring",
1087 rte_align32pow2(NB_MBUF), rte_socket_id(), flags);
1089 /* Get the number of available bbdev devices */
1090 nb_bbdevs = rte_bbdev_count();
1091 if (nb_bbdevs <= app_params.bbdev_id)
1092 rte_exit(EXIT_FAILURE,
1093 "%u BBDevs detected, cannot use BBDev with ID %u!\n",
1094 nb_bbdevs, app_params.bbdev_id);
1095 printf("Number of bbdevs detected: %d\n", nb_bbdevs);
1097 if (!rte_eth_dev_is_valid_port(app_params.port_id))
1098 rte_exit(EXIT_FAILURE,
1099 "cannot use port with ID %u!\n",
1100 app_params.port_id);
1102 /* create the mbuf mempool for ethdev pkts */
1103 ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool",
1104 NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1105 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1106 if (ethdev_mbuf_mempool == NULL)
1107 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1109 /* create the mbuf mempool for encoder output */
1110 bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool",
1111 NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1112 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1113 if (bbdev_mbuf_mempool == NULL)
1114 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1116 /* initialize ports */
1117 ret = initialize_ports(&app_params, ethdev_mbuf_mempool);
1119 /* Check if all requested lcores are available */
1120 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id)
1121 if (((1ULL << lcore_id) & app_params.enc_core_mask) ||
1122 ((1ULL << lcore_id) & app_params.dec_core_mask))
1123 if (!rte_lcore_is_enabled(lcore_id))
1124 rte_exit(EXIT_FAILURE,
1125 "Requested lcore_id %u is not enabled!\n",
1128 /* Start ethernet port */
1129 ret = rte_eth_dev_start(app_params.port_id);
1131 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
1132 ret, app_params.port_id);
1134 ret = check_port_link_status(app_params.port_id);
1138 /* start BBDevice and save BBDev queue IDs */
1139 enable_bbdev(&app_params);
1141 /* Initialize the port/queue configuration of each logical core */
1142 lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools,
1143 bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats);
1145 stats_lcore.app_params = &app_params;
1146 stats_lcore.lconf = lcore_conf;
1148 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1149 if (lcore_conf[lcore_id].core_type != 0)
1150 /* launch per-lcore processing loop on slave lcores */
1151 rte_eal_remote_launch(processing_loop,
1152 &lcore_conf[lcore_id], lcore_id);
1153 else if (!stats_thread_started) {
1154 /* launch statistics printing loop */
1155 rte_eal_remote_launch(stats_loop, &stats_lcore,
1157 stats_thread_started = true;
1161 if (!stats_thread_started &&
1162 lcore_conf[master_lcore_id].core_type != 0)
1163 rte_exit(EXIT_FAILURE,
1164 "Not enough lcores to run the statistics printing loop!");
1165 else if (lcore_conf[master_lcore_id].core_type != 0)
1166 processing_loop(&lcore_conf[master_lcore_id]);
1167 else if (!stats_thread_started)
1168 stats_loop(&stats_lcore);
1170 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1171 ret |= rte_eal_wait_lcore(lcore_id);