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 ret = rte_bbdev_stats_get(bbdev_id, &bbstats);
623 rte_exit(EXIT_FAILURE,
624 "ERROR(%d): Failure to get BBDEV %u statistics\n",
628 printf("\nBBDEV STATISTICS:\n=================\n");
629 printf("BBDEV %u: %s enqueue count:\t\t%"PRIu64"\n",
630 bbdev_id, stats_border,
631 bbstats.enqueued_count);
632 printf("BBDEV %u: %s dequeue count:\t\t%"PRIu64"\n",
633 bbdev_id, stats_border,
634 bbstats.dequeued_count);
635 printf("BBDEV %u: %s enqueue error count:\t\t%"PRIu64"\n",
636 bbdev_id, stats_border,
637 bbstats.enqueue_err_count);
638 printf("BBDEV %u: %s dequeue error count:\t\t%"PRIu64"\n\n",
639 bbdev_id, stats_border,
640 bbstats.dequeue_err_count);
642 printf("LCORE STATISTICS:\n=================\n");
643 for (l_id = 0; l_id < RTE_MAX_LCORE; ++l_id) {
644 if (stats_lcore->lconf[l_id].core_type == 0)
646 print_lcore_stats(stats_lcore->lconf[l_id].lcore_stats, l_id);
654 stats_loop(void *arg)
656 struct stats_lcore_params *stats_lcore = arg;
658 while (!rte_atomic16_read(&global_exit_flag)) {
659 print_stats(stats_lcore);
667 run_encoding(struct lcore_conf *lcore_conf)
670 uint16_t port_id, rx_queue_id;
671 uint16_t bbdev_id, enc_queue_id;
672 uint16_t nb_rx, nb_enq, nb_deq, nb_sent;
673 struct rte_mbuf *rx_pkts_burst[MAX_PKT_BURST];
674 struct rte_mbuf *enc_out_pkts[MAX_PKT_BURST];
675 struct rte_bbdev_enc_op *bbdev_ops_burst[MAX_PKT_BURST];
676 struct lcore_statistics *lcore_stats;
677 struct rte_mempool *bbdev_op_pool, *enc_out_pool;
678 struct rte_ring *enc_to_dec_ring;
679 const int in_data_len = (def_op_enc.cb_params.k / 8) - CRC_24B_LEN;
681 lcore_stats = lcore_conf->lcore_stats;
682 port_id = lcore_conf->port_id;
683 rx_queue_id = lcore_conf->rx_queue_id;
684 bbdev_id = lcore_conf->bbdev_id;
685 enc_queue_id = lcore_conf->enc_queue_id;
686 bbdev_op_pool = lcore_conf->bbdev_enc_op_pool;
687 enc_out_pool = lcore_conf->enc_out_pool;
688 enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
690 /* Read packet from RX queues*/
691 nb_rx = rte_eth_rx_burst(port_id, rx_queue_id, rx_pkts_burst,
696 if (unlikely(rte_mempool_get_bulk(enc_out_pool, (void **)enc_out_pkts,
698 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
699 lcore_stats->rx_lost_packets += nb_rx;
703 if (unlikely(rte_bbdev_enc_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
705 pktmbuf_free_bulk(enc_out_pkts, nb_rx);
706 pktmbuf_free_bulk(rx_pkts_burst, nb_rx);
707 lcore_stats->rx_lost_packets += nb_rx;
711 for (i = 0; i < nb_rx; i++) {
713 const uint16_t pkt_data_len =
714 rte_pktmbuf_data_len(rx_pkts_burst[i]) -
715 sizeof(struct ether_hdr);
716 /* save input mbuf pointer for later comparison */
717 enc_out_pkts[i]->userdata = rx_pkts_burst[i];
719 /* copy ethernet header */
720 rte_pktmbuf_reset(enc_out_pkts[i]);
721 data = rte_pktmbuf_append(enc_out_pkts[i],
722 sizeof(struct ether_hdr));
725 "Not enough space for ethernet header in encoder output mbuf\n");
728 add_ether_hdr(rx_pkts_burst[i], enc_out_pkts[i]);
731 bbdev_ops_burst[i]->turbo_enc = def_op_enc;
733 bbdev_ops_burst[i]->turbo_enc.input.data =
735 bbdev_ops_burst[i]->turbo_enc.input.offset =
736 sizeof(struct ether_hdr);
737 /* Encoder will attach the CRC24B, adjust the length */
738 bbdev_ops_burst[i]->turbo_enc.input.length = in_data_len;
740 if (in_data_len < pkt_data_len)
741 rte_pktmbuf_trim(rx_pkts_burst[i], pkt_data_len -
743 else if (in_data_len > pkt_data_len) {
744 data = rte_pktmbuf_append(rx_pkts_burst[i],
745 in_data_len - pkt_data_len);
748 "Not enough storage in mbuf to perform the encoding\n");
751 bbdev_ops_burst[i]->turbo_enc.output.data =
753 bbdev_ops_burst[i]->turbo_enc.output.offset =
754 sizeof(struct ether_hdr);
757 /* Enqueue packets on BBDevice */
758 nb_enq = rte_bbdev_enqueue_enc_ops(bbdev_id, enc_queue_id,
759 bbdev_ops_burst, nb_rx);
760 if (unlikely(nb_enq < nb_rx)) {
761 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_enq],
763 rte_bbdev_enc_op_free_bulk(&bbdev_ops_burst[nb_enq],
765 lcore_stats->rx_lost_packets += nb_rx - nb_enq;
771 lcore_stats->enqueued += nb_enq;
773 /* Dequeue packets from bbdev device*/
776 nb_deq += rte_bbdev_dequeue_enc_ops(bbdev_id, enc_queue_id,
777 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
778 } while (unlikely(nb_deq < nb_enq));
780 lcore_stats->dequeued += nb_deq;
782 /* Generate and add AWGN */
783 add_awgn(enc_out_pkts, nb_deq);
785 rte_bbdev_enc_op_free_bulk(bbdev_ops_burst, nb_deq);
787 /* Enqueue packets to encoder-to-decoder ring */
788 nb_sent = rte_ring_enqueue_burst(enc_to_dec_ring, (void **)enc_out_pkts,
790 if (unlikely(nb_sent < nb_deq)) {
791 pktmbuf_userdata_free_bulk(&enc_out_pkts[nb_sent],
793 lcore_stats->enc_to_dec_lost_packets += nb_deq - nb_sent;
798 run_decoding(struct lcore_conf *lcore_conf)
801 uint16_t port_id, tx_queue_id;
802 uint16_t bbdev_id, bbdev_queue_id;
803 uint16_t nb_recv, nb_enq, nb_deq, nb_tx;
804 uint8_t *llr_temp_buf;
805 struct rte_mbuf *recv_pkts_burst[MAX_PKT_BURST];
806 struct rte_bbdev_dec_op *bbdev_ops_burst[MAX_PKT_BURST];
807 struct lcore_statistics *lcore_stats;
808 struct rte_mempool *bbdev_op_pool;
809 struct rte_ring *enc_to_dec_ring;
811 lcore_stats = lcore_conf->lcore_stats;
812 port_id = lcore_conf->port_id;
813 tx_queue_id = lcore_conf->tx_queue_id;
814 bbdev_id = lcore_conf->bbdev_id;
815 bbdev_queue_id = lcore_conf->dec_queue_id;
816 bbdev_op_pool = lcore_conf->bbdev_dec_op_pool;
817 enc_to_dec_ring = lcore_conf->enc_to_dec_ring;
818 llr_temp_buf = lcore_conf->llr_temp_buf;
820 /* Dequeue packets from the ring */
821 nb_recv = rte_ring_dequeue_burst(enc_to_dec_ring,
822 (void **)recv_pkts_burst, MAX_PKT_BURST, NULL);
826 if (unlikely(rte_bbdev_dec_op_alloc_bulk(bbdev_op_pool, bbdev_ops_burst,
828 pktmbuf_userdata_free_bulk(recv_pkts_burst, nb_recv);
829 lcore_stats->rx_lost_packets += nb_recv;
833 transform_enc_out_dec_in(recv_pkts_burst, llr_temp_buf, nb_recv,
834 def_op_dec.cb_params.k);
836 for (i = 0; i < nb_recv; i++) {
838 bbdev_ops_burst[i]->turbo_dec = def_op_dec;
840 bbdev_ops_burst[i]->turbo_dec.input.data = recv_pkts_burst[i];
841 bbdev_ops_burst[i]->turbo_dec.input.offset =
842 sizeof(struct ether_hdr);
843 bbdev_ops_burst[i]->turbo_dec.input.length =
844 rte_pktmbuf_data_len(recv_pkts_burst[i])
845 - sizeof(struct ether_hdr);
847 bbdev_ops_burst[i]->turbo_dec.hard_output.data =
849 bbdev_ops_burst[i]->turbo_dec.hard_output.offset =
850 sizeof(struct ether_hdr);
853 /* Enqueue packets on BBDevice */
854 nb_enq = rte_bbdev_enqueue_dec_ops(bbdev_id, bbdev_queue_id,
855 bbdev_ops_burst, nb_recv);
856 if (unlikely(nb_enq < nb_recv)) {
857 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_enq],
859 rte_bbdev_dec_op_free_bulk(&bbdev_ops_burst[nb_enq],
861 lcore_stats->rx_lost_packets += nb_recv - nb_enq;
867 lcore_stats->enqueued += nb_enq;
869 /* Dequeue packets from BBDevice */
872 nb_deq += rte_bbdev_dequeue_dec_ops(bbdev_id, bbdev_queue_id,
873 &bbdev_ops_burst[nb_deq], nb_enq - nb_deq);
874 } while (unlikely(nb_deq < nb_enq));
876 lcore_stats->dequeued += nb_deq;
878 rte_bbdev_dec_op_free_bulk(bbdev_ops_burst, nb_deq);
880 verify_data(recv_pkts_burst, nb_deq);
882 /* Free the RX mbufs after verification */
883 for (i = 0; i < nb_deq; ++i)
884 rte_pktmbuf_free(recv_pkts_burst[i]->userdata);
886 /* Transmit the packets */
887 nb_tx = rte_eth_tx_burst(port_id, tx_queue_id, recv_pkts_burst, nb_deq);
888 if (unlikely(nb_tx < nb_deq)) {
889 pktmbuf_userdata_free_bulk(&recv_pkts_burst[nb_tx],
891 lcore_stats->tx_lost_packets += nb_deq - nb_tx;
896 processing_loop(void *arg)
898 struct lcore_conf *lcore_conf = arg;
899 const bool run_encoder = (lcore_conf->core_type &
900 (1 << RTE_BBDEV_OP_TURBO_ENC));
901 const bool run_decoder = (lcore_conf->core_type &
902 (1 << RTE_BBDEV_OP_TURBO_DEC));
904 while (!rte_atomic16_read(&global_exit_flag)) {
906 run_encoding(lcore_conf);
908 run_decoding(lcore_conf);
915 prepare_bbdev_device(unsigned int dev_id, struct rte_bbdev_info *info,
916 struct app_config_params *app_params)
919 unsigned int q_id, dec_q_id, enc_q_id;
920 struct rte_bbdev_queue_conf qconf = {0};
921 uint16_t dec_qs_nb = app_params->num_dec_cores;
922 uint16_t enc_qs_nb = app_params->num_enc_cores;
923 uint16_t tot_qs = dec_qs_nb + enc_qs_nb;
925 ret = rte_bbdev_setup_queues(dev_id, tot_qs, info->socket_id);
927 rte_exit(EXIT_FAILURE,
928 "ERROR(%d): BBDEV %u not configured properly\n",
931 /* setup device DEC queues */
932 qconf.socket = info->socket_id;
933 qconf.queue_size = info->drv.queue_size_lim;
934 qconf.op_type = RTE_BBDEV_OP_TURBO_DEC;
936 for (q_id = 0, dec_q_id = 0; q_id < dec_qs_nb; q_id++) {
937 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
939 rte_exit(EXIT_FAILURE,
940 "ERROR(%d): BBDEV %u DEC queue %u not configured properly\n",
942 app_params->dec_queue_ids[dec_q_id++] = q_id;
945 /* setup device ENC queues */
946 qconf.op_type = RTE_BBDEV_OP_TURBO_ENC;
948 for (q_id = dec_qs_nb, enc_q_id = 0; q_id < tot_qs; q_id++) {
949 ret = rte_bbdev_queue_configure(dev_id, q_id, &qconf);
951 rte_exit(EXIT_FAILURE,
952 "ERROR(%d): BBDEV %u ENC queue %u not configured properly\n",
954 app_params->enc_queue_ids[enc_q_id++] = q_id;
957 ret = rte_bbdev_start(dev_id);
960 rte_exit(EXIT_FAILURE, "ERROR(%d): BBDEV %u not started\n",
963 printf("BBdev %u started\n", dev_id);
969 check_matching_capabilities(uint64_t mask, uint64_t required_mask)
971 return (mask & required_mask) == required_mask;
975 enable_bbdev(struct app_config_params *app_params)
977 struct rte_bbdev_info dev_info;
978 const struct rte_bbdev_op_cap *op_cap;
979 uint16_t bbdev_id = app_params->bbdev_id;
980 bool encoder_capable = false;
981 bool decoder_capable = false;
983 rte_bbdev_info_get(bbdev_id, &dev_info);
984 op_cap = dev_info.drv.capabilities;
986 while (op_cap->type != RTE_BBDEV_OP_NONE) {
987 if (op_cap->type == RTE_BBDEV_OP_TURBO_ENC) {
988 if (check_matching_capabilities(
989 op_cap->cap.turbo_enc.capability_flags,
990 def_op_enc.op_flags))
991 encoder_capable = true;
994 if (op_cap->type == RTE_BBDEV_OP_TURBO_DEC) {
995 if (check_matching_capabilities(
996 op_cap->cap.turbo_dec.capability_flags,
997 def_op_dec.op_flags))
998 decoder_capable = true;
1004 if (encoder_capable == false)
1005 rte_exit(EXIT_FAILURE,
1006 "The specified BBDev %u doesn't have required encoder capabilities!\n",
1008 if (decoder_capable == false)
1009 rte_exit(EXIT_FAILURE,
1010 "The specified BBDev %u doesn't have required decoder capabilities!\n",
1013 prepare_bbdev_device(bbdev_id, &dev_info, app_params);
1017 main(int argc, char **argv)
1020 unsigned int nb_bbdevs, flags, lcore_id;
1022 struct app_config_params app_params = def_app_config;
1023 struct rte_mempool *ethdev_mbuf_mempool, *bbdev_mbuf_mempool;
1024 struct rte_mempool *bbdev_op_pools[RTE_BBDEV_OP_TYPE_COUNT];
1025 struct lcore_conf lcore_conf[RTE_MAX_LCORE] = { {0} };
1026 struct lcore_statistics lcore_stats[RTE_MAX_LCORE] = { {0} };
1027 struct stats_lcore_params stats_lcore;
1028 struct rte_ring *enc_to_dec_ring;
1029 bool stats_thread_started = false;
1030 unsigned int master_lcore_id = rte_get_master_lcore();
1032 rte_atomic16_init(&global_exit_flag);
1034 sigret = signal(SIGTERM, signal_handler);
1035 if (sigret == SIG_ERR)
1036 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGTERM);
1038 sigret = signal(SIGINT, signal_handler);
1039 if (sigret == SIG_ERR)
1040 rte_exit(EXIT_FAILURE, "signal(%d, ...) failed", SIGINT);
1042 ret = rte_eal_init(argc, argv);
1044 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1049 /* parse application arguments (after the EAL ones) */
1050 ret = bbdev_parse_args(argc, argv, &app_params);
1052 rte_exit(EXIT_FAILURE, "Invalid BBDEV arguments\n");
1054 /*create bbdev op pools*/
1055 bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] =
1056 rte_bbdev_op_pool_create("bbdev_op_pool_dec",
1057 RTE_BBDEV_OP_TURBO_DEC, NB_MBUF, 128, rte_socket_id());
1058 bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] =
1059 rte_bbdev_op_pool_create("bbdev_op_pool_enc",
1060 RTE_BBDEV_OP_TURBO_ENC, NB_MBUF, 128, rte_socket_id());
1062 if ((bbdev_op_pools[RTE_BBDEV_OP_TURBO_DEC] == NULL) ||
1063 (bbdev_op_pools[RTE_BBDEV_OP_TURBO_ENC] == NULL))
1064 rte_exit(EXIT_FAILURE, "Cannot create bbdev op pools\n");
1066 /* Create encoder to decoder ring */
1067 flags = (app_params.num_enc_cores == 1) ? RING_F_SP_ENQ : 0;
1068 if (app_params.num_dec_cores == 1)
1069 flags |= RING_F_SC_DEQ;
1071 enc_to_dec_ring = rte_ring_create("enc_to_dec_ring",
1072 rte_align32pow2(NB_MBUF), rte_socket_id(), flags);
1074 /* Get the number of available bbdev devices */
1075 nb_bbdevs = rte_bbdev_count();
1076 if (nb_bbdevs <= app_params.bbdev_id)
1077 rte_exit(EXIT_FAILURE,
1078 "%u BBDevs detected, cannot use BBDev with ID %u!\n",
1079 nb_bbdevs, app_params.bbdev_id);
1080 printf("Number of bbdevs detected: %d\n", nb_bbdevs);
1082 if (!rte_eth_dev_is_valid_port(app_params.port_id))
1083 rte_exit(EXIT_FAILURE,
1084 "cannot use port with ID %u!\n",
1085 app_params.port_id);
1087 /* create the mbuf mempool for ethdev pkts */
1088 ethdev_mbuf_mempool = rte_pktmbuf_pool_create("ethdev_mbuf_pool",
1089 NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1090 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1091 if (ethdev_mbuf_mempool == NULL)
1092 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1094 /* create the mbuf mempool for encoder output */
1095 bbdev_mbuf_mempool = rte_pktmbuf_pool_create("bbdev_mbuf_pool",
1096 NB_MBUF, MEMPOOL_CACHE_SIZE, 0,
1097 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1098 if (bbdev_mbuf_mempool == NULL)
1099 rte_exit(EXIT_FAILURE, "Cannot create ethdev mbuf mempool\n");
1101 /* initialize ports */
1102 ret = initialize_ports(&app_params, ethdev_mbuf_mempool);
1104 /* Check if all requested lcores are available */
1105 for (lcore_id = 0; lcore_id < 8 * sizeof(uint64_t); ++lcore_id)
1106 if (((1ULL << lcore_id) & app_params.enc_core_mask) ||
1107 ((1ULL << lcore_id) & app_params.dec_core_mask))
1108 if (!rte_lcore_is_enabled(lcore_id))
1109 rte_exit(EXIT_FAILURE,
1110 "Requested lcore_id %u is not enabled!\n",
1113 /* Start ethernet port */
1114 ret = rte_eth_dev_start(app_params.port_id);
1116 rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
1117 ret, app_params.port_id);
1119 ret = check_port_link_status(app_params.port_id);
1123 /* start BBDevice and save BBDev queue IDs */
1124 enable_bbdev(&app_params);
1126 /* Initialize the port/queue configuration of each logical core */
1127 lcore_conf_init(&app_params, lcore_conf, bbdev_op_pools,
1128 bbdev_mbuf_mempool, enc_to_dec_ring, lcore_stats);
1130 stats_lcore.app_params = &app_params;
1131 stats_lcore.lconf = lcore_conf;
1133 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1134 if (lcore_conf[lcore_id].core_type != 0)
1135 /* launch per-lcore processing loop on slave lcores */
1136 rte_eal_remote_launch(processing_loop,
1137 &lcore_conf[lcore_id], lcore_id);
1138 else if (!stats_thread_started) {
1139 /* launch statistics printing loop */
1140 rte_eal_remote_launch(stats_loop, &stats_lcore,
1142 stats_thread_started = true;
1146 if (!stats_thread_started &&
1147 lcore_conf[master_lcore_id].core_type != 0)
1148 rte_exit(EXIT_FAILURE,
1149 "Not enough lcores to run the statistics printing loop!");
1150 else if (lcore_conf[master_lcore_id].core_type != 0)
1151 processing_loop(&lcore_conf[master_lcore_id]);
1152 else if (!stats_thread_started)
1153 stats_loop(&stats_lcore);
1155 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1156 ret |= rte_eal_wait_lcore(lcore_id);