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 (unsigned int)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");
168 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
170 struct rte_ether_hdr *eth;
172 unsigned dst_port = lsi_dst_ports[portid];
174 struct rte_eth_dev_tx_buffer *buffer;
176 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
178 /* 02:00:00:00:00:xx */
179 tmp = ð->d_addr.addr_bytes[0];
180 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
183 rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], ð->s_addr);
185 buffer = tx_buffer[dst_port];
186 sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
188 port_statistics[dst_port].tx += sent;
191 /* main processing loop */
195 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
199 uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
200 unsigned i, j, portid, nb_rx;
201 struct lcore_queue_conf *qconf;
202 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
204 struct rte_eth_dev_tx_buffer *buffer;
209 lcore_id = rte_lcore_id();
210 qconf = &lcore_queue_conf[lcore_id];
212 if (qconf->n_rx_port == 0) {
213 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
217 RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
219 for (i = 0; i < qconf->n_rx_port; i++) {
221 portid = qconf->rx_port_list[i];
222 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
228 cur_tsc = rte_rdtsc();
231 * TX burst queue drain
233 diff_tsc = cur_tsc - prev_tsc;
234 if (unlikely(diff_tsc > drain_tsc)) {
236 for (i = 0; i < qconf->n_rx_port; i++) {
238 portid = lsi_dst_ports[qconf->rx_port_list[i]];
239 buffer = tx_buffer[portid];
241 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
243 port_statistics[portid].tx += sent;
247 /* if timer is enabled */
248 if (timer_period > 0) {
250 /* advance the timer */
251 timer_tsc += diff_tsc;
253 /* if timer has reached its timeout */
254 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
256 /* do this only on master core */
257 if (lcore_id == rte_get_master_lcore()) {
259 /* reset the timer */
269 * Read packet from RX queues
271 for (i = 0; i < qconf->n_rx_port; i++) {
273 portid = qconf->rx_port_list[i];
274 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
275 pkts_burst, MAX_PKT_BURST);
277 port_statistics[portid].rx += nb_rx;
279 for (j = 0; j < nb_rx; j++) {
281 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
282 lsi_simple_forward(m, portid);
289 lsi_launch_one_lcore(__rte_unused void *dummy)
297 lsi_usage(const char *prgname)
299 printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
300 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
301 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
302 " -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
307 lsi_parse_portmask(const char *portmask)
312 /* parse hexadecimal string */
313 pm = strtoul(portmask, &end, 16);
314 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
324 lsi_parse_nqueue(const char *q_arg)
329 /* parse hexadecimal string */
330 n = strtoul(q_arg, &end, 10);
331 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
335 if (n >= MAX_RX_QUEUE_PER_LCORE)
342 lsi_parse_timer_period(const char *q_arg)
347 /* parse number string */
348 n = strtol(q_arg, &end, 10);
349 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
351 if (n >= MAX_TIMER_PERIOD)
357 /* Parse the argument given in the command line of the application */
359 lsi_parse_args(int argc, char **argv)
364 char *prgname = argv[0];
365 static struct option lgopts[] = {
371 while ((opt = getopt_long(argc, argvopt, "p:q:T:",
372 lgopts, &option_index)) != EOF) {
377 lsi_enabled_port_mask = lsi_parse_portmask(optarg);
378 if (lsi_enabled_port_mask == 0) {
379 printf("invalid portmask\n");
387 lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
388 if (lsi_rx_queue_per_lcore == 0) {
389 printf("invalid queue number\n");
397 timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
398 if (timer_period < 0) {
399 printf("invalid timer period\n");
417 argv[optind-1] = prgname;
420 optind = 1; /* reset getopt lib */
425 * It will be called as the callback for specified port after a LSI interrupt
426 * has been fully handled. This callback needs to be implemented carefully as
427 * it will be called in the interrupt host thread which is different from the
428 * application main thread.
435 * Pointer to(address of) the parameters.
441 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
444 struct rte_eth_link link;
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 if (link.link_status) {
459 printf("Port %d Link Up - speed %u Mbps - %s\n\n",
460 port_id, (unsigned)link.link_speed,
461 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
462 ("full-duplex") : ("half-duplex"));
464 printf("Port %d Link Down\n\n", port_id);
469 /* Check the link status of all ports in up to 9s, and print them finally */
471 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
473 #define CHECK_INTERVAL 100 /* 100ms */
474 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
475 uint8_t count, all_ports_up, print_flag = 0;
477 struct rte_eth_link link;
480 printf("\nChecking link status");
482 for (count = 0; count <= MAX_CHECK_TIME; count++) {
484 for (portid = 0; portid < port_num; portid++) {
485 if ((port_mask & (1 << portid)) == 0)
487 memset(&link, 0, sizeof(link));
488 ret = rte_eth_link_get_nowait(portid, &link);
492 printf("Port %u link get failed: %s\n",
493 portid, rte_strerror(-ret));
496 /* print link status if flag set */
497 if (print_flag == 1) {
498 if (link.link_status)
500 "Port%d Link Up. Speed %u Mbps - %s\n",
501 portid, link.link_speed,
502 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
503 ("full-duplex") : ("half-duplex\n"));
505 printf("Port %d Link Down\n", portid);
508 /* clear all_ports_up flag if any link down */
509 if (link.link_status == ETH_LINK_DOWN) {
514 /* after finally printing all link status, get out */
518 if (all_ports_up == 0) {
521 rte_delay_ms(CHECK_INTERVAL);
524 /* set the print_flag if all ports up or timeout */
525 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
533 main(int argc, char **argv)
535 struct lcore_queue_conf *qconf;
538 uint16_t portid, portid_last = 0;
539 unsigned lcore_id, rx_lcore_id;
540 unsigned nb_ports_in_mask = 0;
543 ret = rte_eal_init(argc, argv);
545 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
549 /* parse application arguments (after the EAL ones) */
550 ret = lsi_parse_args(argc, argv);
552 rte_exit(EXIT_FAILURE, "Invalid arguments");
554 /* create the mbuf pool */
556 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
557 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
558 if (lsi_pktmbuf_pool == NULL)
559 rte_panic("Cannot init mbuf pool\n");
561 nb_ports = rte_eth_dev_count_avail();
563 rte_panic("No Ethernet port - bye\n");
566 * Each logical core is assigned a dedicated TX queue on each port.
568 for (portid = 0; portid < nb_ports; portid++) {
569 /* skip ports that are not enabled */
570 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
573 /* save the destination port id */
574 if (nb_ports_in_mask % 2) {
575 lsi_dst_ports[portid] = portid_last;
576 lsi_dst_ports[portid_last] = portid;
579 portid_last = portid;
583 if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
584 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
585 "but it should be even and at least 2\n",
589 qconf = &lcore_queue_conf[rx_lcore_id];
591 /* Initialize the port/queue configuration of each logical core */
592 for (portid = 0; portid < nb_ports; portid++) {
593 /* skip ports that are not enabled */
594 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
597 /* get the lcore_id for this port */
598 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
599 lcore_queue_conf[rx_lcore_id].n_rx_port ==
600 lsi_rx_queue_per_lcore) {
603 if (rx_lcore_id >= RTE_MAX_LCORE)
604 rte_exit(EXIT_FAILURE, "Not enough cores\n");
606 if (qconf != &lcore_queue_conf[rx_lcore_id])
607 /* Assigned a new logical core in the loop above. */
608 qconf = &lcore_queue_conf[rx_lcore_id];
610 qconf->rx_port_list[qconf->n_rx_port] = portid;
612 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
615 /* Initialise each port */
616 for (portid = 0; portid < nb_ports; portid++) {
617 struct rte_eth_rxconf rxq_conf;
618 struct rte_eth_txconf txq_conf;
619 struct rte_eth_conf local_port_conf = port_conf;
620 struct rte_eth_dev_info dev_info;
622 /* skip ports that are not enabled */
623 if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
624 printf("Skipping disabled port %u\n", (unsigned) portid);
628 printf("Initializing port %u... ", (unsigned) portid);
631 ret = rte_eth_dev_info_get(portid, &dev_info);
633 rte_exit(EXIT_FAILURE,
634 "Error during getting device (port %u) info: %s\n",
635 portid, strerror(-ret));
637 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
638 local_port_conf.txmode.offloads |=
639 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
640 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
642 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
643 ret, (unsigned) portid);
645 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
648 rte_exit(EXIT_FAILURE,
649 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
650 ret, (unsigned) portid);
652 /* register lsi interrupt callback, need to be after
653 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
654 * lsc interrupt will be present, and below callback to
655 * be registered will never be called.
657 rte_eth_dev_callback_register(portid,
658 RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
660 ret = rte_eth_macaddr_get(portid,
661 &lsi_ports_eth_addr[portid]);
663 rte_exit(EXIT_FAILURE,
664 "rte_eth_macaddr_get: err=%d, port=%u\n",
665 ret, (unsigned int)portid);
667 /* init one RX queue */
669 rxq_conf = dev_info.default_rxconf;
670 rxq_conf.offloads = local_port_conf.rxmode.offloads;
671 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
672 rte_eth_dev_socket_id(portid),
676 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
677 ret, (unsigned) portid);
679 /* init one TX queue logical core on each port */
681 txq_conf = dev_info.default_txconf;
682 txq_conf.offloads = local_port_conf.txmode.offloads;
683 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
684 rte_eth_dev_socket_id(portid),
687 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
688 ret, (unsigned) portid);
690 /* Initialize TX buffers */
691 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
692 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
693 rte_eth_dev_socket_id(portid));
694 if (tx_buffer[portid] == NULL)
695 rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
698 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
700 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
701 rte_eth_tx_buffer_count_callback,
702 &port_statistics[portid].dropped);
704 rte_exit(EXIT_FAILURE, "Cannot set error callback for "
705 "tx buffer on port %u\n", (unsigned) portid);
708 ret = rte_eth_dev_start(portid);
710 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
711 ret, (unsigned) portid);
714 ret = rte_eth_promiscuous_enable(portid);
716 rte_exit(EXIT_FAILURE,
717 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
718 rte_strerror(-ret), portid);
720 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
722 lsi_ports_eth_addr[portid].addr_bytes[0],
723 lsi_ports_eth_addr[portid].addr_bytes[1],
724 lsi_ports_eth_addr[portid].addr_bytes[2],
725 lsi_ports_eth_addr[portid].addr_bytes[3],
726 lsi_ports_eth_addr[portid].addr_bytes[4],
727 lsi_ports_eth_addr[portid].addr_bytes[5]);
729 /* initialize port stats */
730 memset(&port_statistics, 0, sizeof(port_statistics));
733 check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
735 /* launch per-lcore init on every lcore */
736 rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
737 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
738 if (rte_eal_wait_lcore(lcore_id) < 0)