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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 TX free threshold.
210 uint16_t tx_free_thresh = 0; /* Use default values. */
213 * Configurable value of TX RS bit threshold.
215 uint16_t tx_rs_thresh = 0; /* Use default values. */
218 * Receive Side Scaling (RSS) configuration.
220 uint16_t rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6; /* RSS IP by default. */
223 * Port topology configuration
225 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */
228 * Ethernet device configuration.
230 struct rte_eth_rxmode rx_mode = {
231 .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */
233 .header_split = 0, /**< Header Split disabled. */
234 .hw_ip_checksum = 0, /**< IP checksum offload disabled. */
235 .hw_vlan_filter = 1, /**< VLAN filtering enabled. */
236 .hw_vlan_strip = 1, /**< VLAN strip enabled. */
237 .hw_vlan_extend = 0, /**< Extended VLAN disabled. */
238 .jumbo_frame = 0, /**< Jumbo Frame Support disabled. */
239 .hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */
242 struct rte_fdir_conf fdir_conf = {
243 .mode = RTE_FDIR_MODE_NONE,
244 .pballoc = RTE_FDIR_PBALLOC_64K,
245 .status = RTE_FDIR_REPORT_STATUS,
246 .flexbytes_offset = 0x6,
250 static volatile int test_done = 1; /* stop packet forwarding when set to 1. */
252 struct queue_stats_mappings tx_queue_stats_mappings_array[MAX_TX_QUEUE_STATS_MAPPINGS];
253 struct queue_stats_mappings rx_queue_stats_mappings_array[MAX_RX_QUEUE_STATS_MAPPINGS];
255 struct queue_stats_mappings *tx_queue_stats_mappings = tx_queue_stats_mappings_array;
256 struct queue_stats_mappings *rx_queue_stats_mappings = rx_queue_stats_mappings_array;
258 uint16_t nb_tx_queue_stats_mappings = 0;
259 uint16_t nb_rx_queue_stats_mappings = 0;
261 /* Forward function declarations */
262 static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port);
265 * Setup default configuration.
268 set_default_fwd_lcores_config(void)
274 for (i = 0; i < RTE_MAX_LCORE; i++) {
275 if (! rte_lcore_is_enabled(i))
277 if (i == rte_get_master_lcore())
279 fwd_lcores_cpuids[nb_lc++] = i;
281 nb_lcores = (lcoreid_t) nb_lc;
282 nb_cfg_lcores = nb_lcores;
287 set_def_peer_eth_addrs(void)
291 for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
292 peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR;
293 peer_eth_addrs[i].addr_bytes[5] = i;
298 set_default_fwd_ports_config(void)
302 for (pt_id = 0; pt_id < nb_ports; pt_id++)
303 fwd_ports_ids[pt_id] = pt_id;
305 nb_cfg_ports = nb_ports;
306 nb_fwd_ports = nb_ports;
310 set_def_fwd_config(void)
312 set_default_fwd_lcores_config();
313 set_def_peer_eth_addrs();
314 set_default_fwd_ports_config();
318 * Configuration initialisation done once at init time.
320 struct mbuf_ctor_arg {
321 uint16_t seg_buf_offset; /**< offset of data in data segment of mbuf. */
322 uint16_t seg_buf_size; /**< size of data segment in mbuf. */
325 struct mbuf_pool_ctor_arg {
326 uint16_t seg_buf_size; /**< size of data segment in mbuf. */
330 testpmd_mbuf_ctor(struct rte_mempool *mp,
333 __attribute__((unused)) unsigned i)
335 struct mbuf_ctor_arg *mb_ctor_arg;
338 mb_ctor_arg = (struct mbuf_ctor_arg *) opaque_arg;
339 mb = (struct rte_mbuf *) raw_mbuf;
342 mb->buf_addr = (void *) ((char *)mb + mb_ctor_arg->seg_buf_offset);
343 mb->buf_physaddr = (uint64_t) (rte_mempool_virt2phy(mp, mb) +
344 mb_ctor_arg->seg_buf_offset);
345 mb->buf_len = mb_ctor_arg->seg_buf_size;
346 mb->type = RTE_MBUF_PKT;
348 mb->pkt.data = (char *) mb->buf_addr + RTE_PKTMBUF_HEADROOM;
350 mb->pkt.vlan_macip.data = 0;
351 mb->pkt.hash.rss = 0;
355 testpmd_mbuf_pool_ctor(struct rte_mempool *mp,
358 struct mbuf_pool_ctor_arg *mbp_ctor_arg;
359 struct rte_pktmbuf_pool_private *mbp_priv;
361 if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
362 printf("%s(%s) private_data_size %d < %d\n",
363 __func__, mp->name, (int) mp->private_data_size,
364 (int) sizeof(struct rte_pktmbuf_pool_private));
367 mbp_ctor_arg = (struct mbuf_pool_ctor_arg *) opaque_arg;
368 mbp_priv = (struct rte_pktmbuf_pool_private *)
369 ((char *)mp + sizeof(struct rte_mempool));
370 mbp_priv->mbuf_data_room_size = mbp_ctor_arg->seg_buf_size;
374 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
375 unsigned int socket_id)
377 char pool_name[RTE_MEMPOOL_NAMESIZE];
378 struct rte_mempool *rte_mp;
379 struct mbuf_pool_ctor_arg mbp_ctor_arg;
380 struct mbuf_ctor_arg mb_ctor_arg;
383 mbp_ctor_arg.seg_buf_size = (uint16_t) (RTE_PKTMBUF_HEADROOM +
385 mb_ctor_arg.seg_buf_offset =
386 (uint16_t) CACHE_LINE_ROUNDUP(sizeof(struct rte_mbuf));
387 mb_ctor_arg.seg_buf_size = mbp_ctor_arg.seg_buf_size;
388 mb_size = mb_ctor_arg.seg_buf_offset + mb_ctor_arg.seg_buf_size;
389 mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name));
390 rte_mp = rte_mempool_create(pool_name, nb_mbuf, (unsigned) mb_size,
391 (unsigned) mb_mempool_cache,
392 sizeof(struct rte_pktmbuf_pool_private),
393 testpmd_mbuf_pool_ctor, &mbp_ctor_arg,
394 testpmd_mbuf_ctor, &mb_ctor_arg,
396 if (rte_mp == NULL) {
397 rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u failed\n",
405 struct rte_port *port;
406 struct rte_mempool *mbp;
407 unsigned int nb_mbuf_per_pool;
412 /* Configuration of logical cores. */
413 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores",
414 sizeof(struct fwd_lcore *) * nb_lcores,
416 if (fwd_lcores == NULL) {
417 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) failed\n",
420 for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
421 fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore",
422 sizeof(struct fwd_lcore),
424 if (fwd_lcores[lc_id] == NULL) {
425 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) failed\n");
427 fwd_lcores[lc_id]->cpuid_idx = lc_id;
431 * Create pools of mbuf.
432 * If NUMA support is disabled, create a single pool of mbuf in
434 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1.
436 * Use the maximum value of nb_rxd and nb_txd here, then nb_rxd and
437 * nb_txd can be configured at run time.
439 if (param_total_num_mbufs)
440 nb_mbuf_per_pool = param_total_num_mbufs;
442 nb_mbuf_per_pool = RTE_TEST_RX_DESC_MAX + (nb_lcores * mb_mempool_cache)
443 + RTE_TEST_TX_DESC_MAX + MAX_PKT_BURST;
444 nb_mbuf_per_pool = (nb_mbuf_per_pool * nb_ports);
447 nb_mbuf_per_pool /= 2;
448 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0);
449 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1);
451 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0);
455 * Records which Mbuf pool to use by each logical core, if needed.
457 for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
458 mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id));
460 mbp = mbuf_pool_find(0);
461 fwd_lcores[lc_id]->mbp = mbp;
464 /* Configuration of Ethernet ports. */
465 ports = rte_zmalloc("testpmd: ports",
466 sizeof(struct rte_port) * nb_ports,
469 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d struct rte_port) failed\n",
473 for (pt_id = 0; pt_id < nb_ports; pt_id++, port++) {
474 rte_eth_dev_info_get(pt_id, &port->dev_info);
475 if (nb_rxq > port->dev_info.max_rx_queues) {
476 rte_exit(EXIT_FAILURE, "Port %d: max RX queues %d < nb_rxq %d\n",
478 (int) port->dev_info.max_rx_queues,
481 if (nb_txq > port->dev_info.max_tx_queues) {
482 rte_exit(EXIT_FAILURE, "Port %d: max TX queues %d < nb_txq %d\n",
484 (int) port->dev_info.max_tx_queues,
489 port->socket_id = (pt_id < (nb_ports >> 1)) ? 0 : 1;
494 /* Configuration of packet forwarding streams. */
495 nb_fwd_streams = (streamid_t) (nb_ports * nb_rxq);
496 fwd_streams = rte_zmalloc("testpmd: fwd_streams",
497 sizeof(struct fwd_stream *) * nb_fwd_streams,
499 if (fwd_streams == NULL) {
500 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) failed\n",
503 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) {
504 fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream",
505 sizeof(struct fwd_stream),
507 if (fwd_streams[sm_id] == NULL) {
508 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream) failed\n");
513 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
515 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs)
517 unsigned int total_burst;
518 unsigned int nb_burst;
519 unsigned int burst_stats[3];
520 uint16_t pktnb_stats[3];
522 int burst_percent[3];
525 * First compute the total number of packet bursts and the
526 * two highest numbers of bursts of the same number of packets.
529 burst_stats[0] = burst_stats[1] = burst_stats[2] = 0;
530 pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0;
531 for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) {
532 nb_burst = pbs->pkt_burst_spread[nb_pkt];
535 total_burst += nb_burst;
536 if (nb_burst > burst_stats[0]) {
537 burst_stats[1] = burst_stats[0];
538 pktnb_stats[1] = pktnb_stats[0];
539 burst_stats[0] = nb_burst;
540 pktnb_stats[0] = nb_pkt;
543 if (total_burst == 0)
545 burst_percent[0] = (burst_stats[0] * 100) / total_burst;
546 printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst,
547 burst_percent[0], (int) pktnb_stats[0]);
548 if (burst_stats[0] == total_burst) {
552 if (burst_stats[0] + burst_stats[1] == total_burst) {
553 printf(" + %d%% of %d pkts]\n",
554 100 - burst_percent[0], pktnb_stats[1]);
557 burst_percent[1] = (burst_stats[1] * 100) / total_burst;
558 burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]);
559 if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) {
560 printf(" + %d%% of others]\n", 100 - burst_percent[0]);
563 printf(" + %d%% of %d pkts + %d%% of others]\n",
564 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]);
566 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */
569 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats)
571 struct rte_port *port;
573 static const char *fwd_stats_border = "----------------------";
575 port = &ports[port_id];
576 printf("\n %s Forward statistics for port %-2d %s\n",
577 fwd_stats_border, port_id, fwd_stats_border);
578 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: "
580 stats->ipackets, stats->ierrors,
581 (uint64_t) (stats->ipackets + stats->ierrors));
583 if (cur_fwd_eng == &csum_fwd_engine)
584 printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n",
585 port->rx_bad_ip_csum, port->rx_bad_l4_csum);
587 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
589 stats->opackets, port->tx_dropped,
590 (uint64_t) (stats->opackets + port->tx_dropped));
592 if (stats->rx_nombuf > 0)
593 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf);
594 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
596 pkt_burst_stats_display("RX", &port->rx_stream->rx_burst_stats);
598 pkt_burst_stats_display("TX", &port->tx_stream->tx_burst_stats);
601 if (fdir_conf.mode != RTE_FDIR_MODE_NONE)
602 printf(" Fdirmiss: %-14"PRIu64" Fdirmatch: %-14"PRIu64"\n",
606 printf(" %s--------------------------------%s\n",
607 fwd_stats_border, fwd_stats_border);
611 fwd_stream_stats_display(streamid_t stream_id)
613 struct fwd_stream *fs;
614 static const char *fwd_top_stats_border = "-------";
616 fs = fwd_streams[stream_id];
617 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) &&
618 (fs->fwd_dropped == 0))
620 printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> "
621 "TX Port=%2d/Queue=%2d %s\n",
622 fwd_top_stats_border, fs->rx_port, fs->rx_queue,
623 fs->tx_port, fs->tx_queue, fwd_top_stats_border);
624 printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u",
625 fs->rx_packets, fs->tx_packets, fs->fwd_dropped);
627 /* if checksum mode */
628 if (cur_fwd_eng == &csum_fwd_engine) {
629 printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: %-14u\n",
630 fs->rx_bad_ip_csum, fs->rx_bad_l4_csum);
633 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
634 pkt_burst_stats_display("RX", &fs->rx_burst_stats);
635 pkt_burst_stats_display("TX", &fs->tx_burst_stats);
640 flush_all_rx_queues(void)
642 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
649 for (j = 0; j < 2; j++) {
650 for (rxp = 0; rxp < nb_ports; rxp++) {
651 for (rxq = 0; rxq < nb_rxq; rxq++) {
653 nb_rx = rte_eth_rx_burst(rxp, rxq,
656 for (i = 0; i < nb_rx; i++)
657 rte_pktmbuf_free(pkts_burst[i]);
661 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */
666 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd)
668 struct fwd_stream **fsm;
672 fsm = &fwd_streams[fc->stream_idx];
673 nb_fs = fc->stream_nb;
675 for (sm_id = 0; sm_id < nb_fs; sm_id++)
676 (*pkt_fwd)(fsm[sm_id]);
677 } while (! fc->stopped);
681 start_pkt_forward_on_core(void *fwd_arg)
683 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg,
684 cur_fwd_config.fwd_eng->packet_fwd);
689 * Run the TXONLY packet forwarding engine to send a single burst of packets.
690 * Used to start communication flows in network loopback test configurations.
693 run_one_txonly_burst_on_core(void *fwd_arg)
695 struct fwd_lcore *fwd_lc;
696 struct fwd_lcore tmp_lcore;
698 fwd_lc = (struct fwd_lcore *) fwd_arg;
700 tmp_lcore.stopped = 1;
701 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd);
706 * Launch packet forwarding:
707 * - Setup per-port forwarding context.
708 * - launch logical cores with their forwarding configuration.
711 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore)
713 port_fwd_begin_t port_fwd_begin;
718 port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin;
719 if (port_fwd_begin != NULL) {
720 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
721 (*port_fwd_begin)(fwd_ports_ids[i]);
723 for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) {
724 lc_id = fwd_lcores_cpuids[i];
725 if ((interactive == 0) || (lc_id != rte_lcore_id())) {
726 fwd_lcores[i]->stopped = 0;
727 diag = rte_eal_remote_launch(pkt_fwd_on_lcore,
728 fwd_lcores[i], lc_id);
730 printf("launch lcore %u failed - diag=%d\n",
737 * Launch packet forwarding configuration.
740 start_packet_forwarding(int with_tx_first)
742 port_fwd_begin_t port_fwd_begin;
743 port_fwd_end_t port_fwd_end;
744 struct rte_port *port;
749 if (test_done == 0) {
750 printf("Packet forwarding already started\n");
754 flush_all_rx_queues();
756 rxtx_config_display();
758 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
759 pt_id = fwd_ports_ids[i];
760 port = &ports[pt_id];
761 rte_eth_stats_get(pt_id, &port->stats);
762 port->tx_dropped = 0;
764 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
765 fwd_streams[sm_id]->rx_packets = 0;
766 fwd_streams[sm_id]->tx_packets = 0;
767 fwd_streams[sm_id]->fwd_dropped = 0;
768 fwd_streams[sm_id]->rx_bad_ip_csum = 0;
769 fwd_streams[sm_id]->rx_bad_l4_csum = 0;
771 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
772 memset(&fwd_streams[sm_id]->rx_burst_stats, 0,
773 sizeof(fwd_streams[sm_id]->rx_burst_stats));
774 memset(&fwd_streams[sm_id]->tx_burst_stats, 0,
775 sizeof(fwd_streams[sm_id]->tx_burst_stats));
777 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
778 fwd_streams[sm_id]->core_cycles = 0;
782 port_fwd_begin = tx_only_engine.port_fwd_begin;
783 if (port_fwd_begin != NULL) {
784 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
785 (*port_fwd_begin)(fwd_ports_ids[i]);
787 launch_packet_forwarding(run_one_txonly_burst_on_core);
788 rte_eal_mp_wait_lcore();
789 port_fwd_end = tx_only_engine.port_fwd_end;
790 if (port_fwd_end != NULL) {
791 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
792 (*port_fwd_end)(fwd_ports_ids[i]);
795 launch_packet_forwarding(start_pkt_forward_on_core);
799 stop_packet_forwarding(void)
801 struct rte_eth_stats stats;
802 struct rte_port *port;
803 port_fwd_end_t port_fwd_end;
810 uint64_t total_rx_dropped;
811 uint64_t total_tx_dropped;
812 uint64_t total_rx_nombuf;
814 uint64_t rx_bad_ip_csum;
815 uint64_t rx_bad_l4_csum;
816 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
819 static const char *acc_stats_border = "+++++++++++++++";
822 printf("Packet forwarding not started\n");
825 printf("Telling cores to stop...");
826 for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++)
827 fwd_lcores[lc_id]->stopped = 1;
828 printf("\nWaiting for lcores to finish...\n");
829 rte_eal_mp_wait_lcore();
830 port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end;
831 if (port_fwd_end != NULL) {
832 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
833 pt_id = fwd_ports_ids[i];
834 (*port_fwd_end)(pt_id);
837 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
840 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
841 if (cur_fwd_config.nb_fwd_streams >
842 cur_fwd_config.nb_fwd_ports) {
843 fwd_stream_stats_display(sm_id);
844 ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL;
845 ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL;
847 ports[fwd_streams[sm_id]->tx_port].tx_stream =
849 ports[fwd_streams[sm_id]->rx_port].rx_stream =
852 tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped;
853 tx_dropped = (uint64_t) (tx_dropped +
854 fwd_streams[sm_id]->fwd_dropped);
855 ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped;
857 rx_bad_ip_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum;
858 rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum +
859 fwd_streams[sm_id]->rx_bad_ip_csum);
860 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = rx_bad_ip_csum;
862 rx_bad_l4_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum;
863 rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum +
864 fwd_streams[sm_id]->rx_bad_l4_csum);
865 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = rx_bad_l4_csum;
867 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
868 fwd_cycles = (uint64_t) (fwd_cycles +
869 fwd_streams[sm_id]->core_cycles);
874 total_rx_dropped = 0;
875 total_tx_dropped = 0;
877 for (i = 0; i < ((cur_fwd_config.nb_fwd_ports + 1) & ~0x1); i++) {
878 pt_id = fwd_ports_ids[i];
880 port = &ports[pt_id];
881 rte_eth_stats_get(pt_id, &stats);
882 stats.ipackets -= port->stats.ipackets;
883 port->stats.ipackets = 0;
884 stats.opackets -= port->stats.opackets;
885 port->stats.opackets = 0;
886 stats.ibytes -= port->stats.ibytes;
887 port->stats.ibytes = 0;
888 stats.obytes -= port->stats.obytes;
889 port->stats.obytes = 0;
890 stats.ierrors -= port->stats.ierrors;
891 port->stats.ierrors = 0;
892 stats.oerrors -= port->stats.oerrors;
893 port->stats.oerrors = 0;
894 stats.rx_nombuf -= port->stats.rx_nombuf;
895 port->stats.rx_nombuf = 0;
896 stats.fdirmatch -= port->stats.fdirmatch;
897 port->stats.rx_nombuf = 0;
898 stats.fdirmiss -= port->stats.fdirmiss;
899 port->stats.rx_nombuf = 0;
901 total_recv += stats.ipackets;
902 total_xmit += stats.opackets;
903 total_rx_dropped += stats.ierrors;
904 total_tx_dropped += port->tx_dropped;
905 total_rx_nombuf += stats.rx_nombuf;
907 fwd_port_stats_display(pt_id, &stats);
909 printf("\n %s Accumulated forward statistics for all ports"
911 acc_stats_border, acc_stats_border);
912 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: "
914 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
916 total_recv, total_rx_dropped, total_recv + total_rx_dropped,
917 total_xmit, total_tx_dropped, total_xmit + total_tx_dropped);
918 if (total_rx_nombuf > 0)
919 printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf);
920 printf(" %s++++++++++++++++++++++++++++++++++++++++++++++"
922 acc_stats_border, acc_stats_border);
923 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
925 printf("\n CPU cycles/packet=%u (total cycles="
926 "%"PRIu64" / total RX packets=%"PRIu64")\n",
927 (unsigned int)(fwd_cycles / total_recv),
928 fwd_cycles, total_recv);
939 for (pt_id = 0; pt_id < nb_ports; pt_id++) {
940 printf("Stopping port %d...", pt_id);
942 rte_eth_dev_close(pt_id);
948 typedef void (*cmd_func_t)(void);
949 struct pmd_test_command {
950 const char *cmd_name;
954 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0]))
957 fatal_init_error(const char *func_name, uint8_t port_id, int diag)
959 rte_panic("%s(port_id=%d) failed - diag=%d\n",
960 func_name, port_id, diag);
966 struct rte_eth_link link;
967 struct rte_eth_conf port_conf = {
972 struct rte_eth_rxconf rx_conf;
973 struct rte_eth_txconf tx_conf;
974 struct rte_port *port;
975 unsigned int sock_id;
980 port_conf.rxmode = rx_mode;
981 port_conf.fdir_conf = fdir_conf;
983 if (nb_rxq > 0) { /* configure RSS */
984 port_conf.rx_adv_conf.rss_conf.rss_key = NULL;
985 /* use default hash key */
986 port_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf;
988 port_conf.rx_adv_conf.rss_conf.rss_hf = 0;
989 rx_conf.rx_thresh = rx_thresh;
990 rx_conf.rx_free_thresh = rx_free_thresh;
991 tx_conf.tx_thresh = tx_thresh;
992 tx_conf.tx_rs_thresh = tx_rs_thresh;
993 tx_conf.tx_free_thresh = tx_free_thresh;
995 for (pi = 0; pi < nb_ports; pi++) {
997 memcpy(&port->dev_conf, &port_conf, sizeof(port_conf));
998 sock_id = port->socket_id;
999 printf("Initializing port %d... ", pi);
1001 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, &port_conf);
1003 fatal_init_error("rte_eth_dev_configure", pi, diag);
1006 rte_eth_macaddr_get(pi, &port->eth_addr);
1007 for (qi = 0; qi < nb_txq; qi++) {
1008 diag = rte_eth_tx_queue_setup(pi, qi, nb_txd,
1012 fatal_init_error("rte_eth_tx_queue_setup",
1017 for (qi = 0; qi < nb_rxq; qi++) {
1018 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, sock_id,
1020 mbuf_pool_find(sock_id));
1022 fatal_init_error("rte_eth_rx_queue_setup",
1029 diag = rte_eth_dev_start(pi);
1031 fatal_init_error("rte_eth_dev_start", pi, diag);
1035 rte_eth_link_get(pi, &link);
1036 if (link.link_status) {
1037 printf(" Link Up - speed %u Mbps - %s\n",
1038 (unsigned) link.link_speed,
1039 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1040 ("full-duplex") : ("half-duplex\n"));
1042 printf(" Link Down\n");
1046 * If enabled, put device in promiscuous mode.
1047 * This allows the PMD test in IO forwarding mode to forward
1048 * packets to itself through 2 cross-connected ports of the
1052 rte_eth_promiscuous_enable(pi);
1056 #ifdef RTE_EXEC_ENV_BAREMETAL
1061 main(int argc, char** argv)
1065 diag = rte_eal_init(argc, argv);
1067 rte_panic("Cannot init EAL\n");
1069 if (rte_pmd_init_all())
1070 rte_panic("Cannot init PMD\n");
1072 if (rte_eal_pci_probe())
1073 rte_panic("Cannot probe PCI\n");
1075 nb_ports = (portid_t) rte_eth_dev_count();
1077 rte_exit(EXIT_FAILURE, "No probed ethernet devices - check that "
1078 "CONFIG_RTE_LIBRTE_IGB_PMD=y and that "
1079 "CONFIG_RTE_LIBRTE_EM_PMD=y and that "
1080 "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in your "
1081 "configuration file\n");
1083 set_def_fwd_config();
1085 rte_panic("Empty set of forwarding logical cores - check the "
1086 "core mask supplied in the command parameters\n");
1091 launch_args_parse(argc, argv);
1093 if (nb_rxq > nb_txq)
1094 printf("Warning: nb_rxq=%d enables RSS configuration, "
1095 "but nb_txq=%d will prevent to fully test it.\n",
1102 if (interactive == 1)
1108 printf("No commandline core given, start packet forwarding\n");
1109 start_packet_forwarding(0);
1110 printf("Press enter to exit\n");
1111 rc = read(0, &c, 1);