1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
10 #include <sys/types.h>
11 #include <sys/queue.h>
12 #include <netinet/in.h>
19 #include <rte_common.h>
21 #include <rte_malloc.h>
22 #include <rte_memory.h>
23 #include <rte_memcpy.h>
25 #include <rte_launch.h>
26 #include <rte_atomic.h>
27 #include <rte_cycles.h>
28 #include <rte_prefetch.h>
29 #include <rte_lcore.h>
30 #include <rte_per_lcore.h>
31 #include <rte_branch_prediction.h>
32 #include <rte_interrupts.h>
33 #include <rte_random.h>
34 #include <rte_debug.h>
35 #include <rte_ether.h>
36 #include <rte_ethdev.h>
37 #include <rte_mempool.h>
40 #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1
44 #define MAX_PKT_BURST 32
45 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
48 * Configurable number of RX/TX ring descriptors
50 #define RTE_TEST_RX_DESC_DEFAULT 1024
51 #define RTE_TEST_TX_DESC_DEFAULT 1024
52 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
53 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
55 /* ethernet addresses of ports */
56 static struct rte_ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS];
58 /* mask of enabled ports */
59 static uint32_t lsi_enabled_port_mask = 0;
61 static unsigned int lsi_rx_queue_per_lcore = 1;
63 /* destination port for L2 forwarding */
64 static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0};
66 #define MAX_PKT_BURST 32
68 #define MAX_RX_QUEUE_PER_LCORE 16
69 #define MAX_TX_QUEUE_PER_PORT 16
70 struct lcore_queue_conf {
72 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
74 } __rte_cache_aligned;
75 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
77 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
79 static struct rte_eth_conf port_conf = {
84 .mq_mode = ETH_MQ_TX_NONE,
87 .lsc = 1, /**< lsc interrupt feature enabled */
91 struct rte_mempool * lsi_pktmbuf_pool = NULL;
93 /* Per-port statistics struct */
94 struct lsi_port_statistics {
98 } __rte_cache_aligned;
99 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS];
101 /* A tsc-based timer responsible for triggering statistics printout */
102 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
103 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
104 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
106 /* Print out statistics on packets dropped */
110 struct rte_eth_link link;
111 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
114 total_packets_dropped = 0;
115 total_packets_tx = 0;
116 total_packets_rx = 0;
118 const char clr[] = { 27, '[', '2', 'J', '\0' };
119 const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
122 /* Clear screen and move to top left */
123 printf("%s%s", clr, topLeft);
125 printf("\nPort statistics ====================================");
127 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
128 /* skip ports that are not enabled */
129 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
132 memset(&link, 0, sizeof(link));
133 link_get_err = rte_eth_link_get_nowait(portid, &link);
134 printf("\nStatistics for port %u ------------------------------"
135 "\nLink status: %25s"
137 "\nLink duplex: %25s"
138 "\nPackets sent: %24"PRIu64
139 "\nPackets received: %20"PRIu64
140 "\nPackets dropped: %21"PRIu64,
142 link_get_err < 0 ? "Link get failed" :
143 (link.link_status ? "Link up" : "Link down"),
144 link_get_err < 0 ? "0" :
145 rte_eth_link_speed_to_str(link.link_speed),
146 link_get_err < 0 ? "Link get failed" :
147 (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
148 "full-duplex" : "half-duplex"),
149 port_statistics[portid].tx,
150 port_statistics[portid].rx,
151 port_statistics[portid].dropped);
153 total_packets_dropped += port_statistics[portid].dropped;
154 total_packets_tx += port_statistics[portid].tx;
155 total_packets_rx += port_statistics[portid].rx;
157 printf("\nAggregate statistics ==============================="
158 "\nTotal packets sent: %18"PRIu64
159 "\nTotal packets received: %14"PRIu64
160 "\nTotal packets dropped: %15"PRIu64,
163 total_packets_dropped);
164 printf("\n====================================================\n");
170 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
172 struct rte_ether_hdr *eth;
174 unsigned dst_port = lsi_dst_ports[portid];
176 struct rte_eth_dev_tx_buffer *buffer;
178 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
180 /* 02:00:00:00:00:xx */
181 tmp = ð->d_addr.addr_bytes[0];
182 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
185 rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], ð->s_addr);
187 buffer = tx_buffer[dst_port];
188 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
190 port_statistics[dst_port].tx += sent;
193 /* main processing loop */
197 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
201 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
202 unsigned i, j, portid, nb_rx;
203 struct lcore_queue_conf *qconf;
204 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
206 struct rte_eth_dev_tx_buffer *buffer;
211 lcore_id = rte_lcore_id();
212 qconf = &lcore_queue_conf[lcore_id];
214 if (qconf->n_rx_port == 0) {
215 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
219 RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
221 for (i = 0; i < qconf->n_rx_port; i++) {
223 portid = qconf->rx_port_list[i];
224 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
230 cur_tsc = rte_rdtsc();
233 * TX burst queue drain
235 diff_tsc = cur_tsc - prev_tsc;
236 if (unlikely(diff_tsc > drain_tsc)) {
238 for (i = 0; i < qconf->n_rx_port; i++) {
240 portid = lsi_dst_ports[qconf->rx_port_list[i]];
241 buffer = tx_buffer[portid];
243 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
245 port_statistics[portid].tx += sent;
249 /* if timer is enabled */
250 if (timer_period > 0) {
252 /* advance the timer */
253 timer_tsc += diff_tsc;
255 /* if timer has reached its timeout */
256 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
258 /* do this only on main core */
259 if (lcore_id == rte_get_main_lcore()) {
261 /* reset the timer */
271 * Read packet from RX queues
273 for (i = 0; i < qconf->n_rx_port; i++) {
275 portid = qconf->rx_port_list[i];
276 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
277 pkts_burst, MAX_PKT_BURST);
279 port_statistics[portid].rx += nb_rx;
281 for (j = 0; j < nb_rx; j++) {
283 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
284 lsi_simple_forward(m, portid);
291 lsi_launch_one_lcore(__rte_unused void *dummy)
299 lsi_usage(const char *prgname)
301 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
302 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
303 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
304 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
309 lsi_parse_portmask(const char *portmask)
314 /* parse hexadecimal string */
315 pm = strtoul(portmask, &end, 16);
316 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
323 lsi_parse_nqueue(const char *q_arg)
328 /* parse hexadecimal string */
329 n = strtoul(q_arg, &end, 10);
330 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
334 if (n >= MAX_RX_QUEUE_PER_LCORE)
341 lsi_parse_timer_period(const char *q_arg)
346 /* parse number string */
347 n = strtol(q_arg, &end, 10);
348 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
350 if (n >= MAX_TIMER_PERIOD)
356 /* Parse the argument given in the command line of the application */
358 lsi_parse_args(int argc, char **argv)
363 char *prgname = argv[0];
364 static struct option lgopts[] = {
370 while ((opt = getopt_long(argc, argvopt, "p:q:T:",
371 lgopts, &option_index)) != EOF) {
376 lsi_enabled_port_mask = lsi_parse_portmask(optarg);
377 if (lsi_enabled_port_mask == 0) {
378 printf("invalid portmask\n");
386 lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
387 if (lsi_rx_queue_per_lcore == 0) {
388 printf("invalid queue number\n");
396 timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
397 if (timer_period < 0) {
398 printf("invalid timer period\n");
416 argv[optind-1] = prgname;
419 optind = 1; /* reset getopt lib */
424 * It will be called as the callback for specified port after a LSI interrupt
425 * has been fully handled. This callback needs to be implemented carefully as
426 * it will be called in the interrupt host thread which is different from the
427 * application main thread.
434 * Pointer to(address of) the parameters.
440 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
443 struct rte_eth_link link;
445 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
448 RTE_SET_USED(ret_param);
450 printf("\n\nIn registered callback...\n");
451 printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
452 ret = rte_eth_link_get_nowait(port_id, &link);
454 printf("Failed link get on port %d: %s\n",
455 port_id, rte_strerror(-ret));
458 rte_eth_link_to_str(link_status_text, sizeof(link_status_text), &link);
459 printf("Port %d %s\n\n", port_id, link_status_text);
464 /* Check the link status of all ports in up to 9s, and print them finally */
466 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
468 #define CHECK_INTERVAL 100 /* 100ms */
469 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
470 uint8_t count, all_ports_up, print_flag = 0;
472 struct rte_eth_link link;
474 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
476 printf("\nChecking link status");
478 for (count = 0; count <= MAX_CHECK_TIME; count++) {
480 for (portid = 0; portid < port_num; portid++) {
481 if ((port_mask & (1 << portid)) == 0)
483 memset(&link, 0, sizeof(link));
484 ret = rte_eth_link_get_nowait(portid, &link);
488 printf("Port %u link get failed: %s\n",
489 portid, rte_strerror(-ret));
492 /* print link status if flag set */
493 if (print_flag == 1) {
494 rte_eth_link_to_str(link_status_text,
495 sizeof(link_status_text), &link);
496 printf("Port %d %s", portid,
500 /* clear all_ports_up flag if any link down */
501 if (link.link_status == ETH_LINK_DOWN) {
506 /* after finally printing all link status, get out */
510 if (all_ports_up == 0) {
513 rte_delay_ms(CHECK_INTERVAL);
516 /* set the print_flag if all ports up or timeout */
517 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
525 main(int argc, char **argv)
527 struct lcore_queue_conf *qconf;
530 uint16_t portid, portid_last = 0;
531 unsigned lcore_id, rx_lcore_id;
532 unsigned nb_ports_in_mask = 0;
535 ret = rte_eal_init(argc, argv);
537 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
541 /* parse application arguments (after the EAL ones) */
542 ret = lsi_parse_args(argc, argv);
544 rte_exit(EXIT_FAILURE, "Invalid arguments");
546 /* create the mbuf pool */
548 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
549 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
550 if (lsi_pktmbuf_pool == NULL)
551 rte_panic("Cannot init mbuf pool\n");
553 nb_ports = rte_eth_dev_count_avail();
555 rte_panic("No Ethernet port - bye\n");
558 * Each logical core is assigned a dedicated TX queue on each port.
560 for (portid = 0; portid < nb_ports; portid++) {
561 /* skip ports that are not enabled */
562 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
565 /* save the destination port id */
566 if (nb_ports_in_mask % 2) {
567 lsi_dst_ports[portid] = portid_last;
568 lsi_dst_ports[portid_last] = portid;
571 portid_last = portid;
575 if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
576 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
577 "but it should be even and at least 2\n",
581 qconf = &lcore_queue_conf[rx_lcore_id];
583 /* Initialize the port/queue configuration of each logical core */
584 for (portid = 0; portid < nb_ports; portid++) {
585 /* skip ports that are not enabled */
586 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
589 /* get the lcore_id for this port */
590 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
591 lcore_queue_conf[rx_lcore_id].n_rx_port ==
592 lsi_rx_queue_per_lcore) {
595 if (rx_lcore_id >= RTE_MAX_LCORE)
596 rte_exit(EXIT_FAILURE, "Not enough cores\n");
598 if (qconf != &lcore_queue_conf[rx_lcore_id])
599 /* Assigned a new logical core in the loop above. */
600 qconf = &lcore_queue_conf[rx_lcore_id];
602 qconf->rx_port_list[qconf->n_rx_port] = portid;
604 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
607 /* Initialise each port */
608 for (portid = 0; portid < nb_ports; portid++) {
609 struct rte_eth_rxconf rxq_conf;
610 struct rte_eth_txconf txq_conf;
611 struct rte_eth_conf local_port_conf = port_conf;
612 struct rte_eth_dev_info dev_info;
614 /* skip ports that are not enabled */
615 if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
616 printf("Skipping disabled port %u\n", (unsigned) portid);
620 printf("Initializing port %u... ", (unsigned) portid);
623 ret = rte_eth_dev_info_get(portid, &dev_info);
625 rte_exit(EXIT_FAILURE,
626 "Error during getting device (port %u) info: %s\n",
627 portid, strerror(-ret));
629 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
630 local_port_conf.txmode.offloads |=
631 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
632 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
634 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
635 ret, (unsigned) portid);
637 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
640 rte_exit(EXIT_FAILURE,
641 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
642 ret, (unsigned) portid);
644 /* register lsi interrupt callback, need to be after
645 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
646 * lsc interrupt will be present, and below callback to
647 * be registered will never be called.
649 rte_eth_dev_callback_register(portid,
650 RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
652 ret = rte_eth_macaddr_get(portid,
653 &lsi_ports_eth_addr[portid]);
655 rte_exit(EXIT_FAILURE,
656 "rte_eth_macaddr_get: err=%d, port=%u\n",
657 ret, (unsigned int)portid);
659 /* init one RX queue */
661 rxq_conf = dev_info.default_rxconf;
662 rxq_conf.offloads = local_port_conf.rxmode.offloads;
663 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
664 rte_eth_dev_socket_id(portid),
668 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
669 ret, (unsigned) portid);
671 /* init one TX queue logical core on each port */
673 txq_conf = dev_info.default_txconf;
674 txq_conf.offloads = local_port_conf.txmode.offloads;
675 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
676 rte_eth_dev_socket_id(portid),
679 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
680 ret, (unsigned) portid);
682 /* Initialize TX buffers */
683 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
684 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
685 rte_eth_dev_socket_id(portid));
686 if (tx_buffer[portid] == NULL)
687 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
690 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
692 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
693 rte_eth_tx_buffer_count_callback,
694 &port_statistics[portid].dropped);
696 rte_exit(EXIT_FAILURE, "Cannot set error callback for "
697 "tx buffer on port %u\n", (unsigned) portid);
700 ret = rte_eth_dev_start(portid);
702 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
703 ret, (unsigned) portid);
706 ret = rte_eth_promiscuous_enable(portid);
708 rte_exit(EXIT_FAILURE,
709 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
710 rte_strerror(-ret), portid);
712 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
714 lsi_ports_eth_addr[portid].addr_bytes[0],
715 lsi_ports_eth_addr[portid].addr_bytes[1],
716 lsi_ports_eth_addr[portid].addr_bytes[2],
717 lsi_ports_eth_addr[portid].addr_bytes[3],
718 lsi_ports_eth_addr[portid].addr_bytes[4],
719 lsi_ports_eth_addr[portid].addr_bytes[5]);
721 /* initialize port stats */
722 memset(&port_statistics, 0, sizeof(port_statistics));
725 check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
727 /* launch per-lcore init on every lcore */
728 rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MAIN);
729 RTE_LCORE_FOREACH_WORKER(lcore_id) {
730 if (rte_eal_wait_lcore(lcore_id) < 0)