1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
10 #include <sys/types.h>
11 #include <sys/queue.h>
18 #include <rte_common.h>
20 #include <rte_malloc.h>
21 #include <rte_memory.h>
22 #include <rte_memcpy.h>
24 #include <rte_launch.h>
25 #include <rte_atomic.h>
26 #include <rte_cycles.h>
27 #include <rte_prefetch.h>
28 #include <rte_lcore.h>
29 #include <rte_per_lcore.h>
30 #include <rte_branch_prediction.h>
31 #include <rte_interrupts.h>
32 #include <rte_random.h>
33 #include <rte_debug.h>
34 #include <rte_ether.h>
35 #include <rte_ethdev.h>
36 #include <rte_mempool.h>
39 #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1
43 #define MAX_PKT_BURST 32
44 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
47 * Configurable number of RX/TX ring descriptors
49 #define RTE_TEST_RX_DESC_DEFAULT 1024
50 #define RTE_TEST_TX_DESC_DEFAULT 1024
51 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
52 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
54 /* ethernet addresses of ports */
55 static struct rte_ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS];
57 /* mask of enabled ports */
58 static uint32_t lsi_enabled_port_mask = 0;
60 static unsigned int lsi_rx_queue_per_lcore = 1;
62 /* destination port for L2 forwarding */
63 static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0};
65 #define MAX_PKT_BURST 32
67 #define MAX_RX_QUEUE_PER_LCORE 16
68 #define MAX_TX_QUEUE_PER_PORT 16
69 struct lcore_queue_conf {
71 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
73 } __rte_cache_aligned;
74 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
76 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
78 static struct rte_eth_conf port_conf = {
83 .mq_mode = ETH_MQ_TX_NONE,
86 .lsc = 1, /**< lsc interrupt feature enabled */
90 struct rte_mempool * lsi_pktmbuf_pool = NULL;
92 /* Per-port statistics struct */
93 struct lsi_port_statistics {
97 } __rte_cache_aligned;
98 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS];
100 /* A tsc-based timer responsible for triggering statistics printout */
101 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
102 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
103 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
105 /* Print out statistics on packets dropped */
109 struct rte_eth_link link;
110 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
113 total_packets_dropped = 0;
114 total_packets_tx = 0;
115 total_packets_rx = 0;
117 const char clr[] = { 27, '[', '2', 'J', '\0' };
118 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
121 /* Clear screen and move to top left */
122 printf("%s%s", clr, topLeft);
124 printf("\nPort statistics ====================================");
126 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
127 /* skip ports that are not enabled */
128 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
131 memset(&link, 0, sizeof(link));
132 link_get_err = rte_eth_link_get_nowait(portid, &link);
133 printf("\nStatistics for port %u ------------------------------"
134 "\nLink status: %25s"
136 "\nLink duplex: %25s"
137 "\nPackets sent: %24"PRIu64
138 "\nPackets received: %20"PRIu64
139 "\nPackets dropped: %21"PRIu64,
141 link_get_err < 0 ? "Link get failed" :
142 (link.link_status ? "Link up" : "Link down"),
143 link_get_err < 0 ? "0" :
144 rte_eth_link_speed_to_str(link.link_speed),
145 link_get_err < 0 ? "Link get failed" :
146 (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
147 "full-duplex" : "half-duplex"),
148 port_statistics[portid].tx,
149 port_statistics[portid].rx,
150 port_statistics[portid].dropped);
152 total_packets_dropped += port_statistics[portid].dropped;
153 total_packets_tx += port_statistics[portid].tx;
154 total_packets_rx += port_statistics[portid].rx;
156 printf("\nAggregate statistics ==============================="
157 "\nTotal packets sent: %18"PRIu64
158 "\nTotal packets received: %14"PRIu64
159 "\nTotal packets dropped: %15"PRIu64,
162 total_packets_dropped);
163 printf("\n====================================================\n");
169 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
171 struct rte_ether_hdr *eth;
173 unsigned dst_port = lsi_dst_ports[portid];
175 struct rte_eth_dev_tx_buffer *buffer;
177 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
179 /* 02:00:00:00:00:xx */
180 tmp = ð->d_addr.addr_bytes[0];
181 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
184 rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], ð->s_addr);
186 buffer = tx_buffer[dst_port];
187 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
189 port_statistics[dst_port].tx += sent;
192 /* main processing loop */
196 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
200 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
201 unsigned i, j, portid, nb_rx;
202 struct lcore_queue_conf *qconf;
203 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
205 struct rte_eth_dev_tx_buffer *buffer;
210 lcore_id = rte_lcore_id();
211 qconf = &lcore_queue_conf[lcore_id];
213 if (qconf->n_rx_port == 0) {
214 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
218 RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
220 for (i = 0; i < qconf->n_rx_port; i++) {
222 portid = qconf->rx_port_list[i];
223 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
229 cur_tsc = rte_rdtsc();
232 * TX burst queue drain
234 diff_tsc = cur_tsc - prev_tsc;
235 if (unlikely(diff_tsc > drain_tsc)) {
237 for (i = 0; i < qconf->n_rx_port; i++) {
239 portid = lsi_dst_ports[qconf->rx_port_list[i]];
240 buffer = tx_buffer[portid];
242 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
244 port_statistics[portid].tx += sent;
248 /* if timer is enabled */
249 if (timer_period > 0) {
251 /* advance the timer */
252 timer_tsc += diff_tsc;
254 /* if timer has reached its timeout */
255 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
257 /* do this only on main core */
258 if (lcore_id == rte_get_main_lcore()) {
260 /* reset the timer */
270 * Read packet from RX queues
272 for (i = 0; i < qconf->n_rx_port; i++) {
274 portid = qconf->rx_port_list[i];
275 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
276 pkts_burst, MAX_PKT_BURST);
278 port_statistics[portid].rx += nb_rx;
280 for (j = 0; j < nb_rx; j++) {
282 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
283 lsi_simple_forward(m, portid);
290 lsi_launch_one_lcore(__rte_unused void *dummy)
298 lsi_usage(const char *prgname)
300 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
301 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
302 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
303 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
308 lsi_parse_portmask(const char *portmask)
313 /* parse hexadecimal string */
314 pm = strtoul(portmask, &end, 16);
315 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
322 lsi_parse_nqueue(const char *q_arg)
327 /* parse hexadecimal string */
328 n = strtoul(q_arg, &end, 10);
329 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
333 if (n >= MAX_RX_QUEUE_PER_LCORE)
340 lsi_parse_timer_period(const char *q_arg)
345 /* parse number string */
346 n = strtol(q_arg, &end, 10);
347 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
349 if (n >= MAX_TIMER_PERIOD)
355 /* Parse the argument given in the command line of the application */
357 lsi_parse_args(int argc, char **argv)
362 char *prgname = argv[0];
363 static struct option lgopts[] = {
369 while ((opt = getopt_long(argc, argvopt, "p:q:T:",
370 lgopts, &option_index)) != EOF) {
375 lsi_enabled_port_mask = lsi_parse_portmask(optarg);
376 if (lsi_enabled_port_mask == 0) {
377 printf("invalid portmask\n");
385 lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
386 if (lsi_rx_queue_per_lcore == 0) {
387 printf("invalid queue number\n");
395 timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
396 if (timer_period < 0) {
397 printf("invalid timer period\n");
415 argv[optind-1] = prgname;
418 optind = 1; /* reset getopt lib */
423 * It will be called as the callback for specified port after a LSI interrupt
424 * has been fully handled. This callback needs to be implemented carefully as
425 * it will be called in the interrupt host thread which is different from the
426 * application main thread.
433 * Pointer to(address of) the parameters.
439 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
442 struct rte_eth_link link;
444 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
447 RTE_SET_USED(ret_param);
449 printf("\n\nIn registered callback...\n");
450 printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
451 ret = rte_eth_link_get_nowait(port_id, &link);
453 printf("Failed link get on port %d: %s\n",
454 port_id, rte_strerror(-ret));
457 rte_eth_link_to_str(link_status_text, sizeof(link_status_text), &link);
458 printf("Port %d %s\n\n", port_id, link_status_text);
463 /* Check the link status of all ports in up to 9s, and print them finally */
465 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
467 #define CHECK_INTERVAL 100 /* 100ms */
468 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
469 uint8_t count, all_ports_up, print_flag = 0;
471 struct rte_eth_link link;
473 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
475 printf("\nChecking link status");
477 for (count = 0; count <= MAX_CHECK_TIME; count++) {
479 for (portid = 0; portid < port_num; portid++) {
480 if ((port_mask & (1 << portid)) == 0)
482 memset(&link, 0, sizeof(link));
483 ret = rte_eth_link_get_nowait(portid, &link);
487 printf("Port %u link get failed: %s\n",
488 portid, rte_strerror(-ret));
491 /* print link status if flag set */
492 if (print_flag == 1) {
493 rte_eth_link_to_str(link_status_text,
494 sizeof(link_status_text), &link);
495 printf("Port %d %s", portid,
499 /* clear all_ports_up flag if any link down */
500 if (link.link_status == ETH_LINK_DOWN) {
505 /* after finally printing all link status, get out */
509 if (all_ports_up == 0) {
512 rte_delay_ms(CHECK_INTERVAL);
515 /* set the print_flag if all ports up or timeout */
516 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
524 main(int argc, char **argv)
526 struct lcore_queue_conf *qconf;
529 uint16_t portid, portid_last = 0;
530 unsigned lcore_id, rx_lcore_id;
531 unsigned nb_ports_in_mask = 0;
534 ret = rte_eal_init(argc, argv);
536 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
540 /* parse application arguments (after the EAL ones) */
541 ret = lsi_parse_args(argc, argv);
543 rte_exit(EXIT_FAILURE, "Invalid arguments");
545 /* create the mbuf pool */
547 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
548 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
549 if (lsi_pktmbuf_pool == NULL)
550 rte_panic("Cannot init mbuf pool\n");
552 nb_ports = rte_eth_dev_count_avail();
554 rte_panic("No Ethernet port - bye\n");
557 * Each logical core is assigned a dedicated TX queue on each port.
559 for (portid = 0; portid < nb_ports; portid++) {
560 /* skip ports that are not enabled */
561 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
564 /* save the destination port id */
565 if (nb_ports_in_mask % 2) {
566 lsi_dst_ports[portid] = portid_last;
567 lsi_dst_ports[portid_last] = portid;
570 portid_last = portid;
574 if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
575 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
576 "but it should be even and at least 2\n",
580 qconf = &lcore_queue_conf[rx_lcore_id];
582 /* Initialize the port/queue configuration of each logical core */
583 for (portid = 0; portid < nb_ports; portid++) {
584 /* skip ports that are not enabled */
585 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
588 /* get the lcore_id for this port */
589 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
590 lcore_queue_conf[rx_lcore_id].n_rx_port ==
591 lsi_rx_queue_per_lcore) {
594 if (rx_lcore_id >= RTE_MAX_LCORE)
595 rte_exit(EXIT_FAILURE, "Not enough cores\n");
597 if (qconf != &lcore_queue_conf[rx_lcore_id])
598 /* Assigned a new logical core in the loop above. */
599 qconf = &lcore_queue_conf[rx_lcore_id];
601 qconf->rx_port_list[qconf->n_rx_port] = portid;
603 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
606 /* Initialise each port */
607 for (portid = 0; portid < nb_ports; portid++) {
608 struct rte_eth_rxconf rxq_conf;
609 struct rte_eth_txconf txq_conf;
610 struct rte_eth_conf local_port_conf = port_conf;
611 struct rte_eth_dev_info dev_info;
613 /* skip ports that are not enabled */
614 if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
615 printf("Skipping disabled port %u\n", (unsigned) portid);
619 printf("Initializing port %u... ", (unsigned) portid);
622 ret = rte_eth_dev_info_get(portid, &dev_info);
624 rte_exit(EXIT_FAILURE,
625 "Error during getting device (port %u) info: %s\n",
626 portid, strerror(-ret));
628 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
629 local_port_conf.txmode.offloads |=
630 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
631 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
633 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
634 ret, (unsigned) portid);
636 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
639 rte_exit(EXIT_FAILURE,
640 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
641 ret, (unsigned) portid);
643 /* register lsi interrupt callback, need to be after
644 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
645 * lsc interrupt will be present, and below callback to
646 * be registered will never be called.
648 rte_eth_dev_callback_register(portid,
649 RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
651 ret = rte_eth_macaddr_get(portid,
652 &lsi_ports_eth_addr[portid]);
654 rte_exit(EXIT_FAILURE,
655 "rte_eth_macaddr_get: err=%d, port=%u\n",
656 ret, (unsigned int)portid);
658 /* init one RX queue */
660 rxq_conf = dev_info.default_rxconf;
661 rxq_conf.offloads = local_port_conf.rxmode.offloads;
662 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
663 rte_eth_dev_socket_id(portid),
667 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
668 ret, (unsigned) portid);
670 /* init one TX queue logical core on each port */
672 txq_conf = dev_info.default_txconf;
673 txq_conf.offloads = local_port_conf.txmode.offloads;
674 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
675 rte_eth_dev_socket_id(portid),
678 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
679 ret, (unsigned) portid);
681 /* Initialize TX buffers */
682 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
683 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
684 rte_eth_dev_socket_id(portid));
685 if (tx_buffer[portid] == NULL)
686 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
689 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
691 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
692 rte_eth_tx_buffer_count_callback,
693 &port_statistics[portid].dropped);
695 rte_exit(EXIT_FAILURE, "Cannot set error callback for "
696 "tx buffer on port %u\n", (unsigned) portid);
699 ret = rte_eth_dev_start(portid);
701 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
702 ret, (unsigned) portid);
705 ret = rte_eth_promiscuous_enable(portid);
707 rte_exit(EXIT_FAILURE,
708 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
709 rte_strerror(-ret), portid);
711 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
713 lsi_ports_eth_addr[portid].addr_bytes[0],
714 lsi_ports_eth_addr[portid].addr_bytes[1],
715 lsi_ports_eth_addr[portid].addr_bytes[2],
716 lsi_ports_eth_addr[portid].addr_bytes[3],
717 lsi_ports_eth_addr[portid].addr_bytes[4],
718 lsi_ports_eth_addr[portid].addr_bytes[5]);
720 /* initialize port stats */
721 memset(&port_statistics, 0, sizeof(port_statistics));
724 check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
726 /* launch per-lcore init on every lcore */
727 rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MAIN);
728 RTE_LCORE_FOREACH_WORKER(lcore_id) {
729 if (rte_eal_wait_lcore(lcore_id) < 0)