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42 #include <sys/types.h>
45 #include <sys/queue.h>
52 #include <rte_common.h>
53 #include <rte_byteorder.h>
55 #include <rte_debug.h>
56 #include <rte_cycles.h>
57 #include <rte_memory.h>
58 #include <rte_memcpy.h>
59 #include <rte_memzone.h>
60 #include <rte_launch.h>
61 #include <rte_tailq.h>
63 #include <rte_per_lcore.h>
64 #include <rte_lcore.h>
65 #include <rte_atomic.h>
66 #include <rte_branch_prediction.h>
68 #include <rte_mempool.h>
69 #include <rte_malloc.h>
71 #include <rte_interrupts.h>
73 #include <rte_ether.h>
74 #include <rte_ethdev.h>
75 #include <rte_string_fns.h>
79 uint16_t verbose_level = 0; /**< Silent by default. */
81 /* use master core for command line ? */
82 uint8_t interactive = 0;
85 * NUMA support configuration.
86 * When set, the NUMA support attempts to dispatch the allocation of the
87 * RX and TX memory rings, and of the DMA memory buffers (mbufs) for the
88 * probed ports among the CPU sockets 0 and 1.
89 * Otherwise, all memory is allocated from CPU socket 0.
91 uint8_t numa_support = 0; /**< No numa support by default */
94 * Record the Ethernet address of peer target ports to which packets are
96 * Must be instanciated with the ethernet addresses of peer traffic generator
99 struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS];
100 portid_t nb_peer_eth_addrs = 0;
103 * Probed Target Environment.
105 struct rte_port *ports; /**< For all probed ethernet ports. */
106 portid_t nb_ports; /**< Number of probed ethernet ports. */
107 struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */
108 lcoreid_t nb_lcores; /**< Number of probed logical cores. */
111 * Test Forwarding Configuration.
112 * nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores
113 * nb_fwd_ports <= nb_cfg_ports <= nb_ports
115 lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */
116 lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */
117 portid_t nb_cfg_ports; /**< Number of configured ports. */
118 portid_t nb_fwd_ports; /**< Number of forwarding ports. */
120 unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */
121 portid_t fwd_ports_ids[RTE_MAX_ETHPORTS]; /**< Port ids configuration. */
123 struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */
124 streamid_t nb_fwd_streams; /**< Is equal to (nb_ports * nb_rxq). */
127 * Forwarding engines.
129 struct fwd_engine * fwd_engines[] = {
135 #ifdef RTE_LIBRTE_IEEE1588
136 &ieee1588_fwd_engine,
141 struct fwd_config cur_fwd_config;
142 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */
144 uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */
145 uint32_t param_total_num_mbufs = 0; /**< number of mbufs in all pools - if
146 * specified on command-line. */
149 * Configuration of packet segments used by the "txonly" processing engine.
151 uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */
152 uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = {
153 TXONLY_DEF_PACKET_LEN,
155 uint8_t tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */
157 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */
158 uint16_t mb_mempool_cache = DEF_PKT_BURST; /**< Size of mbuf mempool cache. */
161 * Ethernet Ports Configuration.
163 int promiscuous_on = 1; /**< Ports set in promiscuous mode by default. */
166 * Configurable number of RX/TX queues.
168 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */
169 queueid_t nb_txq = 1; /**< Number of TX queues per port. */
172 * Configurable number of RX/TX ring descriptors.
174 #define RTE_TEST_RX_DESC_DEFAULT 128
175 #define RTE_TEST_TX_DESC_DEFAULT 512
176 uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */
177 uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */
180 * Configurable values of RX and TX ring threshold registers.
182 #define RX_PTHRESH 8 /**< Default value of RX prefetch threshold register. */
183 #define RX_HTHRESH 8 /**< Default value of RX host threshold register. */
184 #define RX_WTHRESH 4 /**< Default value of RX write-back threshold register. */
186 #define TX_PTHRESH 36 /**< Default value of TX prefetch threshold register. */
187 #define TX_HTHRESH 0 /**< Default value of TX host threshold register. */
188 #define TX_WTHRESH 0 /**< Default value of TX write-back threshold register. */
190 struct rte_eth_thresh rx_thresh = {
191 .pthresh = RX_PTHRESH,
192 .hthresh = RX_HTHRESH,
193 .wthresh = RX_WTHRESH,
196 struct rte_eth_thresh tx_thresh = {
197 .pthresh = TX_PTHRESH,
198 .hthresh = TX_HTHRESH,
199 .wthresh = TX_WTHRESH,
203 * Configurable value of RX free threshold.
205 uint16_t rx_free_thresh = 0; /* Immediately free RX descriptors by default. */
208 * Configurable value of RX drop enable.
210 uint8_t rx_drop_en = 0; /* Drop packets when no descriptors for queue. */
213 * Configurable value of TX free threshold.
215 uint16_t tx_free_thresh = 0; /* Use default values. */
218 * Configurable value of TX RS bit threshold.
220 uint16_t tx_rs_thresh = 0; /* Use default values. */
223 * Configurable value of TX queue flags.
225 uint32_t txq_flags = 0; /* No flags set. */
228 * Receive Side Scaling (RSS) configuration.
230 uint16_t rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6; /* RSS IP by default. */
233 * Port topology configuration
235 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */
238 * Ethernet device configuration.
240 struct rte_eth_rxmode rx_mode = {
241 .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */
243 .header_split = 0, /**< Header Split disabled. */
244 .hw_ip_checksum = 0, /**< IP checksum offload disabled. */
245 .hw_vlan_filter = 1, /**< VLAN filtering enabled. */
246 .hw_vlan_strip = 1, /**< VLAN strip enabled. */
247 .hw_vlan_extend = 0, /**< Extended VLAN disabled. */
248 .jumbo_frame = 0, /**< Jumbo Frame Support disabled. */
249 .hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */
252 struct rte_fdir_conf fdir_conf = {
253 .mode = RTE_FDIR_MODE_NONE,
254 .pballoc = RTE_FDIR_PBALLOC_64K,
255 .status = RTE_FDIR_REPORT_STATUS,
256 .flexbytes_offset = 0x6,
260 static volatile int test_done = 1; /* stop packet forwarding when set to 1. */
262 struct queue_stats_mappings tx_queue_stats_mappings_array[MAX_TX_QUEUE_STATS_MAPPINGS];
263 struct queue_stats_mappings rx_queue_stats_mappings_array[MAX_RX_QUEUE_STATS_MAPPINGS];
265 struct queue_stats_mappings *tx_queue_stats_mappings = tx_queue_stats_mappings_array;
266 struct queue_stats_mappings *rx_queue_stats_mappings = rx_queue_stats_mappings_array;
268 uint16_t nb_tx_queue_stats_mappings = 0;
269 uint16_t nb_rx_queue_stats_mappings = 0;
271 /* Forward function declarations */
272 static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port);
273 static void check_all_ports_link_status(uint8_t port_num, uint32_t port_mask);
276 * Check if all the ports are started.
277 * If yes, return positive value. If not, return zero.
279 static int all_ports_started(void);
282 * Setup default configuration.
285 set_default_fwd_lcores_config(void)
291 for (i = 0; i < RTE_MAX_LCORE; i++) {
292 if (! rte_lcore_is_enabled(i))
294 if (i == rte_get_master_lcore())
296 fwd_lcores_cpuids[nb_lc++] = i;
298 nb_lcores = (lcoreid_t) nb_lc;
299 nb_cfg_lcores = nb_lcores;
304 set_def_peer_eth_addrs(void)
308 for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
309 peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR;
310 peer_eth_addrs[i].addr_bytes[5] = i;
315 set_default_fwd_ports_config(void)
319 for (pt_id = 0; pt_id < nb_ports; pt_id++)
320 fwd_ports_ids[pt_id] = pt_id;
322 nb_cfg_ports = nb_ports;
323 nb_fwd_ports = nb_ports;
327 set_def_fwd_config(void)
329 set_default_fwd_lcores_config();
330 set_def_peer_eth_addrs();
331 set_default_fwd_ports_config();
335 * Configuration initialisation done once at init time.
337 struct mbuf_ctor_arg {
338 uint16_t seg_buf_offset; /**< offset of data in data segment of mbuf. */
339 uint16_t seg_buf_size; /**< size of data segment in mbuf. */
342 struct mbuf_pool_ctor_arg {
343 uint16_t seg_buf_size; /**< size of data segment in mbuf. */
347 testpmd_mbuf_ctor(struct rte_mempool *mp,
350 __attribute__((unused)) unsigned i)
352 struct mbuf_ctor_arg *mb_ctor_arg;
355 mb_ctor_arg = (struct mbuf_ctor_arg *) opaque_arg;
356 mb = (struct rte_mbuf *) raw_mbuf;
359 mb->buf_addr = (void *) ((char *)mb + mb_ctor_arg->seg_buf_offset);
360 mb->buf_physaddr = (uint64_t) (rte_mempool_virt2phy(mp, mb) +
361 mb_ctor_arg->seg_buf_offset);
362 mb->buf_len = mb_ctor_arg->seg_buf_size;
363 mb->type = RTE_MBUF_PKT;
365 mb->pkt.data = (char *) mb->buf_addr + RTE_PKTMBUF_HEADROOM;
367 mb->pkt.vlan_macip.data = 0;
368 mb->pkt.hash.rss = 0;
372 testpmd_mbuf_pool_ctor(struct rte_mempool *mp,
375 struct mbuf_pool_ctor_arg *mbp_ctor_arg;
376 struct rte_pktmbuf_pool_private *mbp_priv;
378 if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
379 printf("%s(%s) private_data_size %d < %d\n",
380 __func__, mp->name, (int) mp->private_data_size,
381 (int) sizeof(struct rte_pktmbuf_pool_private));
384 mbp_ctor_arg = (struct mbuf_pool_ctor_arg *) opaque_arg;
385 mbp_priv = (struct rte_pktmbuf_pool_private *)
386 ((char *)mp + sizeof(struct rte_mempool));
387 mbp_priv->mbuf_data_room_size = mbp_ctor_arg->seg_buf_size;
391 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
392 unsigned int socket_id)
394 char pool_name[RTE_MEMPOOL_NAMESIZE];
395 struct rte_mempool *rte_mp;
396 struct mbuf_pool_ctor_arg mbp_ctor_arg;
397 struct mbuf_ctor_arg mb_ctor_arg;
400 mbp_ctor_arg.seg_buf_size = (uint16_t) (RTE_PKTMBUF_HEADROOM +
402 mb_ctor_arg.seg_buf_offset =
403 (uint16_t) CACHE_LINE_ROUNDUP(sizeof(struct rte_mbuf));
404 mb_ctor_arg.seg_buf_size = mbp_ctor_arg.seg_buf_size;
405 mb_size = mb_ctor_arg.seg_buf_offset + mb_ctor_arg.seg_buf_size;
406 mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name));
407 rte_mp = rte_mempool_create(pool_name, nb_mbuf, (unsigned) mb_size,
408 (unsigned) mb_mempool_cache,
409 sizeof(struct rte_pktmbuf_pool_private),
410 testpmd_mbuf_pool_ctor, &mbp_ctor_arg,
411 testpmd_mbuf_ctor, &mb_ctor_arg,
413 if (rte_mp == NULL) {
414 rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u "
415 "failed\n", socket_id);
423 struct rte_port *port;
424 struct rte_mempool *mbp;
425 unsigned int nb_mbuf_per_pool;
428 /* Configuration of logical cores. */
429 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores",
430 sizeof(struct fwd_lcore *) * nb_lcores,
432 if (fwd_lcores == NULL) {
433 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) "
434 "failed\n", nb_lcores);
436 for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
437 fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore",
438 sizeof(struct fwd_lcore),
440 if (fwd_lcores[lc_id] == NULL) {
441 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) "
444 fwd_lcores[lc_id]->cpuid_idx = lc_id;
448 * Create pools of mbuf.
449 * If NUMA support is disabled, create a single pool of mbuf in
451 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1.
453 * Use the maximum value of nb_rxd and nb_txd here, then nb_rxd and
454 * nb_txd can be configured at run time.
456 if (param_total_num_mbufs)
457 nb_mbuf_per_pool = param_total_num_mbufs;
459 nb_mbuf_per_pool = RTE_TEST_RX_DESC_MAX + (nb_lcores * mb_mempool_cache)
460 + RTE_TEST_TX_DESC_MAX + MAX_PKT_BURST;
461 nb_mbuf_per_pool = (nb_mbuf_per_pool * nb_ports);
464 nb_mbuf_per_pool /= 2;
465 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0);
466 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1);
468 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0);
472 * Records which Mbuf pool to use by each logical core, if needed.
474 for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
475 mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id));
477 mbp = mbuf_pool_find(0);
478 fwd_lcores[lc_id]->mbp = mbp;
481 /* Configuration of Ethernet ports. */
482 ports = rte_zmalloc("testpmd: ports",
483 sizeof(struct rte_port) * nb_ports,
486 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d struct rte_port) "
487 "failed\n", nb_ports);
490 for (pid = 0; pid < nb_ports; pid++) {
492 rte_eth_dev_info_get(pid, &port->dev_info);
494 /* set flag to initialize port/queue */
495 port->need_reconfig = 1;
496 port->need_reconfig_queues = 1;
501 /* Configuration of packet forwarding streams. */
502 if (init_fwd_streams() < 0)
503 rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n");
507 init_fwd_streams(void)
510 struct rte_port *port;
511 streamid_t sm_id, nb_fwd_streams_new;
513 /* set socket id according to numa or not */
514 for (pid = 0; pid < nb_ports; pid++) {
516 if (nb_rxq > port->dev_info.max_rx_queues) {
517 printf("Fail: nb_rxq(%d) is greater than "
518 "max_rx_queues(%d)\n", nb_rxq,
519 port->dev_info.max_rx_queues);
522 if (nb_txq > port->dev_info.max_tx_queues) {
523 printf("Fail: nb_txq(%d) is greater than "
524 "max_tx_queues(%d)\n", nb_txq,
525 port->dev_info.max_tx_queues);
529 port->socket_id = (pid < (nb_ports >> 1)) ? 0 : 1;
534 nb_fwd_streams_new = (streamid_t)(nb_ports * nb_rxq);
535 if (nb_fwd_streams_new == nb_fwd_streams)
538 if (fwd_streams != NULL) {
539 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) {
540 if (fwd_streams[sm_id] == NULL)
542 rte_free(fwd_streams[sm_id]);
543 fwd_streams[sm_id] = NULL;
545 rte_free(fwd_streams);
550 nb_fwd_streams = nb_fwd_streams_new;
551 fwd_streams = rte_zmalloc("testpmd: fwd_streams",
552 sizeof(struct fwd_stream *) * nb_fwd_streams, CACHE_LINE_SIZE);
553 if (fwd_streams == NULL)
554 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) "
555 "failed\n", nb_fwd_streams);
557 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) {
558 fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream",
559 sizeof(struct fwd_stream), CACHE_LINE_SIZE);
560 if (fwd_streams[sm_id] == NULL)
561 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream)"
568 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
570 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs)
572 unsigned int total_burst;
573 unsigned int nb_burst;
574 unsigned int burst_stats[3];
575 uint16_t pktnb_stats[3];
577 int burst_percent[3];
580 * First compute the total number of packet bursts and the
581 * two highest numbers of bursts of the same number of packets.
584 burst_stats[0] = burst_stats[1] = burst_stats[2] = 0;
585 pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0;
586 for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) {
587 nb_burst = pbs->pkt_burst_spread[nb_pkt];
590 total_burst += nb_burst;
591 if (nb_burst > burst_stats[0]) {
592 burst_stats[1] = burst_stats[0];
593 pktnb_stats[1] = pktnb_stats[0];
594 burst_stats[0] = nb_burst;
595 pktnb_stats[0] = nb_pkt;
598 if (total_burst == 0)
600 burst_percent[0] = (burst_stats[0] * 100) / total_burst;
601 printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst,
602 burst_percent[0], (int) pktnb_stats[0]);
603 if (burst_stats[0] == total_burst) {
607 if (burst_stats[0] + burst_stats[1] == total_burst) {
608 printf(" + %d%% of %d pkts]\n",
609 100 - burst_percent[0], pktnb_stats[1]);
612 burst_percent[1] = (burst_stats[1] * 100) / total_burst;
613 burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]);
614 if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) {
615 printf(" + %d%% of others]\n", 100 - burst_percent[0]);
618 printf(" + %d%% of %d pkts + %d%% of others]\n",
619 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]);
621 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */
624 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats)
626 struct rte_port *port;
628 static const char *fwd_stats_border = "----------------------";
630 port = &ports[port_id];
631 printf("\n %s Forward statistics for port %-2d %s\n",
632 fwd_stats_border, port_id, fwd_stats_border);
633 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: "
635 stats->ipackets, stats->ierrors,
636 (uint64_t) (stats->ipackets + stats->ierrors));
638 if (cur_fwd_eng == &csum_fwd_engine)
639 printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n",
640 port->rx_bad_ip_csum, port->rx_bad_l4_csum);
642 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
644 stats->opackets, port->tx_dropped,
645 (uint64_t) (stats->opackets + port->tx_dropped));
647 if (stats->rx_nombuf > 0)
648 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf);
649 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
651 pkt_burst_stats_display("RX", &port->rx_stream->rx_burst_stats);
653 pkt_burst_stats_display("TX", &port->tx_stream->tx_burst_stats);
656 if (fdir_conf.mode != RTE_FDIR_MODE_NONE)
657 printf(" Fdirmiss: %-14"PRIu64" Fdirmatch: %-14"PRIu64"\n",
661 printf(" %s--------------------------------%s\n",
662 fwd_stats_border, fwd_stats_border);
666 fwd_stream_stats_display(streamid_t stream_id)
668 struct fwd_stream *fs;
669 static const char *fwd_top_stats_border = "-------";
671 fs = fwd_streams[stream_id];
672 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) &&
673 (fs->fwd_dropped == 0))
675 printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> "
676 "TX Port=%2d/Queue=%2d %s\n",
677 fwd_top_stats_border, fs->rx_port, fs->rx_queue,
678 fs->tx_port, fs->tx_queue, fwd_top_stats_border);
679 printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u",
680 fs->rx_packets, fs->tx_packets, fs->fwd_dropped);
682 /* if checksum mode */
683 if (cur_fwd_eng == &csum_fwd_engine) {
684 printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: %-14u\n",
685 fs->rx_bad_ip_csum, fs->rx_bad_l4_csum);
688 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
689 pkt_burst_stats_display("RX", &fs->rx_burst_stats);
690 pkt_burst_stats_display("TX", &fs->tx_burst_stats);
695 flush_all_rx_queues(void)
697 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
704 for (j = 0; j < 2; j++) {
705 for (rxp = 0; rxp < nb_ports; rxp++) {
706 for (rxq = 0; rxq < nb_rxq; rxq++) {
708 nb_rx = rte_eth_rx_burst(rxp, rxq,
711 for (i = 0; i < nb_rx; i++)
712 rte_pktmbuf_free(pkts_burst[i]);
716 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */
721 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd)
723 struct fwd_stream **fsm;
727 fsm = &fwd_streams[fc->stream_idx];
728 nb_fs = fc->stream_nb;
730 for (sm_id = 0; sm_id < nb_fs; sm_id++)
731 (*pkt_fwd)(fsm[sm_id]);
732 } while (! fc->stopped);
736 start_pkt_forward_on_core(void *fwd_arg)
738 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg,
739 cur_fwd_config.fwd_eng->packet_fwd);
744 * Run the TXONLY packet forwarding engine to send a single burst of packets.
745 * Used to start communication flows in network loopback test configurations.
748 run_one_txonly_burst_on_core(void *fwd_arg)
750 struct fwd_lcore *fwd_lc;
751 struct fwd_lcore tmp_lcore;
753 fwd_lc = (struct fwd_lcore *) fwd_arg;
755 tmp_lcore.stopped = 1;
756 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd);
761 * Launch packet forwarding:
762 * - Setup per-port forwarding context.
763 * - launch logical cores with their forwarding configuration.
766 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore)
768 port_fwd_begin_t port_fwd_begin;
773 port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin;
774 if (port_fwd_begin != NULL) {
775 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
776 (*port_fwd_begin)(fwd_ports_ids[i]);
778 for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) {
779 lc_id = fwd_lcores_cpuids[i];
780 if ((interactive == 0) || (lc_id != rte_lcore_id())) {
781 fwd_lcores[i]->stopped = 0;
782 diag = rte_eal_remote_launch(pkt_fwd_on_lcore,
783 fwd_lcores[i], lc_id);
785 printf("launch lcore %u failed - diag=%d\n",
792 * Launch packet forwarding configuration.
795 start_packet_forwarding(int with_tx_first)
797 port_fwd_begin_t port_fwd_begin;
798 port_fwd_end_t port_fwd_end;
799 struct rte_port *port;
804 if (all_ports_started() == 0) {
805 printf("Not all ports were started\n");
808 if (test_done == 0) {
809 printf("Packet forwarding already started\n");
813 flush_all_rx_queues();
815 rxtx_config_display();
817 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
818 pt_id = fwd_ports_ids[i];
819 port = &ports[pt_id];
820 rte_eth_stats_get(pt_id, &port->stats);
821 port->tx_dropped = 0;
823 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
824 fwd_streams[sm_id]->rx_packets = 0;
825 fwd_streams[sm_id]->tx_packets = 0;
826 fwd_streams[sm_id]->fwd_dropped = 0;
827 fwd_streams[sm_id]->rx_bad_ip_csum = 0;
828 fwd_streams[sm_id]->rx_bad_l4_csum = 0;
830 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
831 memset(&fwd_streams[sm_id]->rx_burst_stats, 0,
832 sizeof(fwd_streams[sm_id]->rx_burst_stats));
833 memset(&fwd_streams[sm_id]->tx_burst_stats, 0,
834 sizeof(fwd_streams[sm_id]->tx_burst_stats));
836 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
837 fwd_streams[sm_id]->core_cycles = 0;
841 port_fwd_begin = tx_only_engine.port_fwd_begin;
842 if (port_fwd_begin != NULL) {
843 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
844 (*port_fwd_begin)(fwd_ports_ids[i]);
846 launch_packet_forwarding(run_one_txonly_burst_on_core);
847 rte_eal_mp_wait_lcore();
848 port_fwd_end = tx_only_engine.port_fwd_end;
849 if (port_fwd_end != NULL) {
850 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
851 (*port_fwd_end)(fwd_ports_ids[i]);
854 launch_packet_forwarding(start_pkt_forward_on_core);
858 stop_packet_forwarding(void)
860 struct rte_eth_stats stats;
861 struct rte_port *port;
862 port_fwd_end_t port_fwd_end;
869 uint64_t total_rx_dropped;
870 uint64_t total_tx_dropped;
871 uint64_t total_rx_nombuf;
873 uint64_t rx_bad_ip_csum;
874 uint64_t rx_bad_l4_csum;
875 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
878 static const char *acc_stats_border = "+++++++++++++++";
880 if (all_ports_started() == 0) {
881 printf("Not all ports were started\n");
885 printf("Packet forwarding not started\n");
888 printf("Telling cores to stop...");
889 for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++)
890 fwd_lcores[lc_id]->stopped = 1;
891 printf("\nWaiting for lcores to finish...\n");
892 rte_eal_mp_wait_lcore();
893 port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end;
894 if (port_fwd_end != NULL) {
895 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
896 pt_id = fwd_ports_ids[i];
897 (*port_fwd_end)(pt_id);
900 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
903 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
904 if (cur_fwd_config.nb_fwd_streams >
905 cur_fwd_config.nb_fwd_ports) {
906 fwd_stream_stats_display(sm_id);
907 ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL;
908 ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL;
910 ports[fwd_streams[sm_id]->tx_port].tx_stream =
912 ports[fwd_streams[sm_id]->rx_port].rx_stream =
915 tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped;
916 tx_dropped = (uint64_t) (tx_dropped +
917 fwd_streams[sm_id]->fwd_dropped);
918 ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped;
920 rx_bad_ip_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum;
921 rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum +
922 fwd_streams[sm_id]->rx_bad_ip_csum);
923 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = rx_bad_ip_csum;
925 rx_bad_l4_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum;
926 rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum +
927 fwd_streams[sm_id]->rx_bad_l4_csum);
928 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = rx_bad_l4_csum;
930 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
931 fwd_cycles = (uint64_t) (fwd_cycles +
932 fwd_streams[sm_id]->core_cycles);
937 total_rx_dropped = 0;
938 total_tx_dropped = 0;
940 for (i = 0; i < ((cur_fwd_config.nb_fwd_ports + 1) & ~0x1); i++) {
941 pt_id = fwd_ports_ids[i];
943 port = &ports[pt_id];
944 rte_eth_stats_get(pt_id, &stats);
945 stats.ipackets -= port->stats.ipackets;
946 port->stats.ipackets = 0;
947 stats.opackets -= port->stats.opackets;
948 port->stats.opackets = 0;
949 stats.ibytes -= port->stats.ibytes;
950 port->stats.ibytes = 0;
951 stats.obytes -= port->stats.obytes;
952 port->stats.obytes = 0;
953 stats.ierrors -= port->stats.ierrors;
954 port->stats.ierrors = 0;
955 stats.oerrors -= port->stats.oerrors;
956 port->stats.oerrors = 0;
957 stats.rx_nombuf -= port->stats.rx_nombuf;
958 port->stats.rx_nombuf = 0;
959 stats.fdirmatch -= port->stats.fdirmatch;
960 port->stats.rx_nombuf = 0;
961 stats.fdirmiss -= port->stats.fdirmiss;
962 port->stats.rx_nombuf = 0;
964 total_recv += stats.ipackets;
965 total_xmit += stats.opackets;
966 total_rx_dropped += stats.ierrors;
967 total_tx_dropped += port->tx_dropped;
968 total_rx_nombuf += stats.rx_nombuf;
970 fwd_port_stats_display(pt_id, &stats);
972 printf("\n %s Accumulated forward statistics for all ports"
974 acc_stats_border, acc_stats_border);
975 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: "
977 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
979 total_recv, total_rx_dropped, total_recv + total_rx_dropped,
980 total_xmit, total_tx_dropped, total_xmit + total_tx_dropped);
981 if (total_rx_nombuf > 0)
982 printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf);
983 printf(" %s++++++++++++++++++++++++++++++++++++++++++++++"
985 acc_stats_border, acc_stats_border);
986 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
988 printf("\n CPU cycles/packet=%u (total cycles="
989 "%"PRIu64" / total RX packets=%"PRIu64")\n",
990 (unsigned int)(fwd_cycles / total_recv),
991 fwd_cycles, total_recv);
998 all_ports_started(void)
1001 struct rte_port *port;
1003 for (pi = 0; pi < nb_ports; pi++) {
1005 /* Check if there is a port which is not started */
1006 if (port->port_status != RTE_PORT_STARTED)
1010 /* No port is not started */
1015 start_port(portid_t pid)
1017 int diag, need_check_link_status = 0;
1020 struct rte_port *port;
1022 if (test_done == 0) {
1023 printf("Please stop forwarding first\n");
1027 if (init_fwd_streams() < 0) {
1028 printf("Fail from init_fwd_streams()\n");
1034 for (pi = 0; pi < nb_ports; pi++) {
1035 if (pid < nb_ports && pid != pi)
1039 if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STOPPED,
1040 RTE_PORT_HANDLING) == 0) {
1041 printf("Port %d is now not stopped\n", pi);
1045 if (port->need_reconfig > 0) {
1046 port->need_reconfig = 0;
1048 printf("Configuring Port %d\n", pi);
1049 /* configure port */
1050 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq,
1053 if (rte_atomic16_cmpset(&(port->port_status),
1054 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
1055 printf("Port %d can not be set back "
1056 "to stopped\n", pi);
1057 printf("Fail to configure port %d\n", pi);
1058 /* try to reconfigure port next time */
1059 port->need_reconfig = 1;
1064 if (port->need_reconfig_queues > 0) {
1065 port->need_reconfig_queues = 0;
1067 /* setup tx queues */
1068 for (qi = 0; qi < nb_txq; qi++) {
1069 diag = rte_eth_tx_queue_setup(pi, qi, nb_txd,
1070 port->socket_id, &(port->tx_conf));
1074 /* Fail to setup tx queue, return */
1075 if (rte_atomic16_cmpset(&(port->port_status),
1077 RTE_PORT_STOPPED) == 0)
1078 printf("Port %d can not be set back "
1079 "to stopped\n", pi);
1080 printf("Fail to configure port %d tx queues\n", pi);
1081 /* try to reconfigure queues next time */
1082 port->need_reconfig_queues = 1;
1085 /* setup rx queues */
1086 for (qi = 0; qi < nb_rxq; qi++) {
1087 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd,
1088 port->socket_id, &(port->rx_conf),
1089 mbuf_pool_find(port->socket_id));
1093 /* Fail to setup rx queue, return */
1094 if (rte_atomic16_cmpset(&(port->port_status),
1096 RTE_PORT_STOPPED) == 0)
1097 printf("Port %d can not be set back "
1098 "to stopped\n", pi);
1099 printf("Fail to configure port %d rx queues\n", pi);
1100 /* try to reconfigure queues next time */
1101 port->need_reconfig_queues = 1;
1107 if (rte_eth_dev_start(pi) < 0) {
1108 printf("Fail to start port %d\n", pi);
1110 /* Fail to setup rx queue, return */
1111 if (rte_atomic16_cmpset(&(port->port_status),
1112 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
1113 printf("Port %d can not be set back to "
1118 if (rte_atomic16_cmpset(&(port->port_status),
1119 RTE_PORT_HANDLING, RTE_PORT_STARTED) == 0)
1120 printf("Port %d can not be set into started\n", pi);
1122 /* at least one port started, need checking link status */
1123 need_check_link_status = 1;
1126 if (need_check_link_status)
1127 check_all_ports_link_status(nb_ports, RTE_PORT_ALL);
1129 printf("Please stop the ports first\n");
1135 stop_port(portid_t pid)
1138 struct rte_port *port;
1139 int need_check_link_status = 0;
1141 if (test_done == 0) {
1142 printf("Please stop forwarding first\n");
1149 printf("Stopping ports...\n");
1151 for (pi = 0; pi < nb_ports; pi++) {
1152 if (pid < nb_ports && pid != pi)
1156 if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STARTED,
1157 RTE_PORT_HANDLING) == 0)
1160 rte_eth_dev_stop(pi);
1162 if (rte_atomic16_cmpset(&(port->port_status),
1163 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
1164 printf("Port %d can not be set into stopped\n", pi);
1165 need_check_link_status = 1;
1167 if (need_check_link_status)
1168 check_all_ports_link_status(nb_ports, RTE_PORT_ALL);
1174 close_port(portid_t pid)
1177 struct rte_port *port;
1179 if (test_done == 0) {
1180 printf("Please stop forwarding first\n");
1184 printf("Closing ports...\n");
1186 for (pi = 0; pi < nb_ports; pi++) {
1187 if (pid < nb_ports && pid != pi)
1191 if (rte_atomic16_cmpset(&(port->port_status),
1192 RTE_PORT_STOPPED, RTE_PORT_HANDLING) == 0) {
1193 printf("Port %d is now not stopped\n", pi);
1197 rte_eth_dev_close(pi);
1199 if (rte_atomic16_cmpset(&(port->port_status),
1200 RTE_PORT_HANDLING, RTE_PORT_CLOSED) == 0)
1201 printf("Port %d can not be set into stopped\n", pi);
1208 all_ports_stopped(void)
1211 struct rte_port *port;
1213 for (pi = 0; pi < nb_ports; pi++) {
1215 if (port->port_status != RTE_PORT_STOPPED)
1227 for (pt_id = 0; pt_id < nb_ports; pt_id++) {
1228 printf("Stopping port %d...", pt_id);
1230 rte_eth_dev_close(pt_id);
1236 typedef void (*cmd_func_t)(void);
1237 struct pmd_test_command {
1238 const char *cmd_name;
1239 cmd_func_t cmd_func;
1242 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0]))
1244 /* Check the link status of all ports in up to 9s, and print them finally */
1246 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1248 #define CHECK_INTERVAL 100 /* 100ms */
1249 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1250 uint8_t portid, count, all_ports_up, print_flag = 0;
1251 struct rte_eth_link link;
1253 printf("Checking link statuses...\n");
1255 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1257 for (portid = 0; portid < port_num; portid++) {
1258 if ((port_mask & (1 << portid)) == 0)
1260 memset(&link, 0, sizeof(link));
1261 rte_eth_link_get_nowait(portid, &link);
1262 /* print link status if flag set */
1263 if (print_flag == 1) {
1264 if (link.link_status)
1265 printf("Port %d Link Up - speed %u "
1266 "Mbps - %s\n", (uint8_t)portid,
1267 (unsigned)link.link_speed,
1268 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1269 ("full-duplex") : ("half-duplex\n"));
1271 printf("Port %d Link Down\n",
1275 /* clear all_ports_up flag if any link down */
1276 if (link.link_status == 0) {
1281 /* after finally printing all link status, get out */
1282 if (print_flag == 1)
1285 if (all_ports_up == 0) {
1287 rte_delay_ms(CHECK_INTERVAL);
1290 /* set the print_flag if all ports up or timeout */
1291 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1300 struct rte_eth_link link;
1301 struct rte_eth_conf port_conf = {
1306 struct rte_eth_rxconf rx_conf;
1307 struct rte_eth_txconf tx_conf;
1308 struct rte_port *port;
1309 unsigned int sock_id;
1314 port_conf.rxmode = rx_mode;
1315 port_conf.fdir_conf = fdir_conf;
1317 if (nb_rxq > 0) { /* configure RSS */
1318 port_conf.rx_adv_conf.rss_conf.rss_key = NULL;
1319 /* use default hash key */
1320 port_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf;
1322 port_conf.rx_adv_conf.rss_conf.rss_hf = 0;
1323 rx_conf.rx_thresh = rx_thresh;
1324 rx_conf.rx_free_thresh = rx_free_thresh;
1325 tx_conf.tx_thresh = tx_thresh;
1326 tx_conf.tx_rs_thresh = tx_rs_thresh;
1327 tx_conf.tx_free_thresh = tx_free_thresh;
1329 for (pi = 0; pi < nb_ports; pi++) {
1331 memcpy(&port->dev_conf, &port_conf, sizeof(port_conf));
1332 sock_id = port->socket_id;
1333 printf("Initializing port %d... ", pi);
1335 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, &port_conf);
1337 fatal_init_error("rte_eth_dev_configure", pi, diag);
1340 rte_eth_macaddr_get(pi, &port->eth_addr);
1341 for (qi = 0; qi < nb_txq; qi++) {
1342 diag = rte_eth_tx_queue_setup(pi, qi, nb_txd,
1346 fatal_init_error("rte_eth_tx_queue_setup",
1351 for (qi = 0; qi < nb_rxq; qi++) {
1352 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, sock_id,
1354 mbuf_pool_find(sock_id));
1356 fatal_init_error("rte_eth_rx_queue_setup",
1363 diag = rte_eth_dev_start(pi);
1365 fatal_init_error("rte_eth_dev_start", pi, diag);
1369 rte_eth_link_get(pi, &link);
1370 if (link.link_status) {
1371 printf(" Link Up - speed %u Mbps - %s\n",
1372 (unsigned) link.link_speed,
1373 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1374 ("full-duplex") : ("half-duplex\n"));
1376 printf(" Link Down\n");
1380 * If enabled, put device in promiscuous mode.
1381 * This allows the PMD test in IO forwarding mode to forward
1382 * packets to itself through 2 cross-connected ports of the
1386 rte_eth_promiscuous_enable(pi);
1390 #ifdef RTE_EXEC_ENV_BAREMETAL
1395 main(int argc, char** argv)
1399 diag = rte_eal_init(argc, argv);
1401 rte_panic("Cannot init EAL\n");
1403 if (rte_pmd_init_all())
1404 rte_panic("Cannot init PMD\n");
1406 if (rte_eal_pci_probe())
1407 rte_panic("Cannot probe PCI\n");
1409 nb_ports = (portid_t) rte_eth_dev_count();
1411 rte_exit(EXIT_FAILURE, "No probed ethernet devices - check that "
1412 "CONFIG_RTE_LIBRTE_IGB_PMD=y and that "
1413 "CONFIG_RTE_LIBRTE_EM_PMD=y and that "
1414 "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in your "
1415 "configuration file\n");
1417 set_def_fwd_config();
1419 rte_panic("Empty set of forwarding logical cores - check the "
1420 "core mask supplied in the command parameters\n");
1425 launch_args_parse(argc, argv);
1427 if (nb_rxq > nb_txq)
1428 printf("Warning: nb_rxq=%d enables RSS configuration, "
1429 "but nb_txq=%d will prevent to fully test it.\n",
1433 start_port(RTE_PORT_ALL);
1435 /* set all ports to promiscuous mode by default */
1436 for (port_id = 0; port_id < nb_ports; port_id++)
1437 rte_eth_promiscuous_enable(port_id);
1439 if (interactive == 1)
1445 printf("No commandline core given, start packet forwarding\n");
1446 start_packet_forwarding(0);
1447 printf("Press enter to exit\n");
1448 rc = read(0, &c, 1);