1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2012 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #include <stdarg.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <signal.h> 39 #include <string.h> 40 #include <time.h> 41 #include <fcntl.h> 42 #include <sys/types.h> 43 #include <errno.h> 44 45 #include <sys/queue.h> 46 #include <sys/stat.h> 47 48 #include <stdint.h> 49 #include <unistd.h> 50 #include <inttypes.h> 51 52 #include <rte_common.h> 53 #include <rte_byteorder.h> 54 #include <rte_log.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> 62 #include <rte_eal.h> 63 #include <rte_per_lcore.h> 64 #include <rte_lcore.h> 65 #include <rte_atomic.h> 66 #include <rte_branch_prediction.h> 67 #include <rte_ring.h> 68 #include <rte_mempool.h> 69 #include <rte_malloc.h> 70 #include <rte_mbuf.h> 71 #include <rte_interrupts.h> 72 #include <rte_pci.h> 73 #include <rte_ether.h> 74 #include <rte_ethdev.h> 75 #include <rte_string_fns.h> 76 77 #include "testpmd.h" 78 79 uint16_t verbose_level = 0; /**< Silent by default. */ 80 81 /* use master core for command line ? */ 82 uint8_t interactive = 0; 83 84 /* 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. 90 */ 91 uint8_t numa_support = 0; /**< No numa support by default */ 92 93 /* 94 * Record the Ethernet address of peer target ports to which packets are 95 * forwarded. 96 * Must be instanciated with the ethernet addresses of peer traffic generator 97 * ports. 98 */ 99 struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS]; 100 portid_t nb_peer_eth_addrs = 0; 101 102 /* 103 * Probed Target Environment. 104 */ 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. */ 109 110 /* 111 * Test Forwarding Configuration. 112 * nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores 113 * nb_fwd_ports <= nb_cfg_ports <= nb_ports 114 */ 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. */ 119 120 unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */ 121 portid_t fwd_ports_ids[RTE_MAX_ETHPORTS]; /**< Port ids configuration. */ 122 123 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). */ 125 126 /* 127 * Forwarding engines. 128 */ 129 struct fwd_engine * fwd_engines[] = { 130 &io_fwd_engine, 131 &mac_fwd_engine, 132 &rx_only_engine, 133 &tx_only_engine, 134 &csum_fwd_engine, 135 #ifdef RTE_LIBRTE_IEEE1588 136 &ieee1588_fwd_engine, 137 #endif 138 NULL, 139 }; 140 141 struct fwd_config cur_fwd_config; 142 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */ 143 144 uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */ 145 146 /* 147 * Configuration of packet segments used by the "txonly" processing engine. 148 */ 149 uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */ 150 uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = { 151 TXONLY_DEF_PACKET_LEN, 152 }; 153 uint8_t tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */ 154 155 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */ 156 uint16_t mb_mempool_cache = DEF_PKT_BURST; /**< Size of mbuf mempool cache. */ 157 158 /* 159 * Ethernet Ports Configuration. 160 */ 161 int promiscuous_on = 1; /**< Ports set in promiscuous mode by default. */ 162 163 /* 164 * Configurable number of RX/TX queues. 165 */ 166 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */ 167 queueid_t nb_txq = 1; /**< Number of TX queues per port. */ 168 169 /* 170 * Configurable number of RX/TX ring descriptors. 171 */ 172 #define RTE_TEST_RX_DESC_DEFAULT 128 173 #define RTE_TEST_TX_DESC_DEFAULT 512 174 uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */ 175 uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */ 176 177 /* 178 * Configurable values of RX and TX ring threshold registers. 179 */ 180 #define RX_PTHRESH 8 /**< Default value of RX prefetch threshold register. */ 181 #define RX_HTHRESH 8 /**< Default value of RX host threshold register. */ 182 #define RX_WTHRESH 4 /**< Default value of RX write-back threshold register. */ 183 184 #define TX_PTHRESH 36 /**< Default value of TX prefetch threshold register. */ 185 #define TX_HTHRESH 0 /**< Default value of TX host threshold register. */ 186 #define TX_WTHRESH 0 /**< Default value of TX write-back threshold register. */ 187 188 struct rte_eth_thresh rx_thresh = { 189 .pthresh = RX_PTHRESH, 190 .hthresh = RX_HTHRESH, 191 .wthresh = RX_WTHRESH, 192 }; 193 194 struct rte_eth_thresh tx_thresh = { 195 .pthresh = TX_PTHRESH, 196 .hthresh = TX_HTHRESH, 197 .wthresh = TX_WTHRESH, 198 }; 199 200 /* 201 * Configurable value of RX free threshold. 202 */ 203 uint16_t rx_free_thresh = 0; /* Immediately free RX descriptors by default. */ 204 205 /* 206 * Configurable value of TX free threshold. 207 */ 208 uint16_t tx_free_thresh = 0; /* Use default values. */ 209 210 /* 211 * Configurable value of TX RS bit threshold. 212 */ 213 uint16_t tx_rs_thresh = 0; /* Use default values. */ 214 215 /* 216 * Receive Side Scaling (RSS) configuration. 217 */ 218 uint16_t rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6; /* RSS IP by default. */ 219 220 /* 221 * Port topology configuration 222 */ 223 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */ 224 225 /* 226 * Ethernet device configuration. 227 */ 228 struct rte_eth_rxmode rx_mode = { 229 .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */ 230 .split_hdr_size = 0, 231 .header_split = 0, /**< Header Split disabled. */ 232 .hw_ip_checksum = 0, /**< IP checksum offload disabled. */ 233 .hw_vlan_filter = 1, /**< VLAN filtering enabled. */ 234 .jumbo_frame = 0, /**< Jumbo Frame Support disabled. */ 235 .hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */ 236 }; 237 238 struct rte_fdir_conf fdir_conf = { 239 .mode = RTE_FDIR_MODE_NONE, 240 .pballoc = RTE_FDIR_PBALLOC_64K, 241 .status = RTE_FDIR_REPORT_STATUS, 242 .flexbytes_offset = 0x6, 243 .drop_queue = 127, 244 }; 245 246 static volatile int test_done = 1; /* stop packet forwarding when set to 1. */ 247 248 /* 249 * Setup default configuration. 250 */ 251 static void 252 set_default_fwd_lcores_config(void) 253 { 254 unsigned int i; 255 unsigned int nb_lc; 256 257 nb_lc = 0; 258 for (i = 0; i < RTE_MAX_LCORE; i++) { 259 if (! rte_lcore_is_enabled(i)) 260 continue; 261 if (i == rte_get_master_lcore()) 262 continue; 263 fwd_lcores_cpuids[nb_lc++] = i; 264 } 265 nb_lcores = (lcoreid_t) nb_lc; 266 nb_cfg_lcores = nb_lcores; 267 nb_fwd_lcores = 1; 268 } 269 270 static void 271 set_def_peer_eth_addrs(void) 272 { 273 portid_t i; 274 275 for (i = 0; i < RTE_MAX_ETHPORTS; i++) { 276 peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR; 277 peer_eth_addrs[i].addr_bytes[5] = i; 278 } 279 } 280 281 static void 282 set_default_fwd_ports_config(void) 283 { 284 portid_t pt_id; 285 286 for (pt_id = 0; pt_id < nb_ports; pt_id++) 287 fwd_ports_ids[pt_id] = pt_id; 288 289 nb_cfg_ports = nb_ports; 290 nb_fwd_ports = nb_ports; 291 } 292 293 void 294 set_def_fwd_config(void) 295 { 296 set_default_fwd_lcores_config(); 297 set_def_peer_eth_addrs(); 298 set_default_fwd_ports_config(); 299 } 300 301 /* 302 * Configuration initialisation done once at init time. 303 */ 304 struct mbuf_ctor_arg { 305 uint16_t seg_buf_offset; /**< offset of data in data segment of mbuf. */ 306 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 307 }; 308 309 struct mbuf_pool_ctor_arg { 310 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 311 }; 312 313 static void 314 testpmd_mbuf_ctor(struct rte_mempool *mp, 315 void *opaque_arg, 316 void *raw_mbuf, 317 __attribute__((unused)) unsigned i) 318 { 319 struct mbuf_ctor_arg *mb_ctor_arg; 320 struct rte_mbuf *mb; 321 322 mb_ctor_arg = (struct mbuf_ctor_arg *) opaque_arg; 323 mb = (struct rte_mbuf *) raw_mbuf; 324 325 mb->pool = mp; 326 mb->buf_addr = (void *) ((char *)mb + mb_ctor_arg->seg_buf_offset); 327 mb->buf_physaddr = (uint64_t) (rte_mempool_virt2phy(mp, mb) + 328 mb_ctor_arg->seg_buf_offset); 329 mb->buf_len = mb_ctor_arg->seg_buf_size; 330 mb->type = RTE_MBUF_PKT; 331 mb->ol_flags = 0; 332 mb->pkt.data = (char *) mb->buf_addr + RTE_PKTMBUF_HEADROOM; 333 mb->pkt.nb_segs = 1; 334 mb->pkt.l2_len = 0; 335 mb->pkt.l3_len = 0; 336 mb->pkt.vlan_tci = 0; 337 mb->pkt.hash.rss = 0; 338 } 339 340 static void 341 testpmd_mbuf_pool_ctor(struct rte_mempool *mp, 342 void *opaque_arg) 343 { 344 struct mbuf_pool_ctor_arg *mbp_ctor_arg; 345 struct rte_pktmbuf_pool_private *mbp_priv; 346 347 if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) { 348 printf("%s(%s) private_data_size %d < %d\n", 349 __func__, mp->name, (int) mp->private_data_size, 350 (int) sizeof(struct rte_pktmbuf_pool_private)); 351 return; 352 } 353 mbp_ctor_arg = (struct mbuf_pool_ctor_arg *) opaque_arg; 354 mbp_priv = (struct rte_pktmbuf_pool_private *) 355 ((char *)mp + sizeof(struct rte_mempool)); 356 mbp_priv->mbuf_data_room_size = mbp_ctor_arg->seg_buf_size; 357 } 358 359 static void 360 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf, 361 unsigned int socket_id) 362 { 363 char pool_name[RTE_MEMPOOL_NAMESIZE]; 364 struct rte_mempool *rte_mp; 365 struct mbuf_pool_ctor_arg mbp_ctor_arg; 366 struct mbuf_ctor_arg mb_ctor_arg; 367 uint32_t mb_size; 368 369 mbp_ctor_arg.seg_buf_size = (uint16_t) (RTE_PKTMBUF_HEADROOM + 370 mbuf_seg_size); 371 mb_ctor_arg.seg_buf_offset = 372 (uint16_t) CACHE_LINE_ROUNDUP(sizeof(struct rte_mbuf)); 373 mb_ctor_arg.seg_buf_size = mbp_ctor_arg.seg_buf_size; 374 mb_size = mb_ctor_arg.seg_buf_offset + mb_ctor_arg.seg_buf_size; 375 mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name)); 376 rte_mp = rte_mempool_create(pool_name, nb_mbuf, (unsigned) mb_size, 377 (unsigned) mb_mempool_cache, 378 sizeof(struct rte_pktmbuf_pool_private), 379 testpmd_mbuf_pool_ctor, &mbp_ctor_arg, 380 testpmd_mbuf_ctor, &mb_ctor_arg, 381 socket_id, 0); 382 if (rte_mp == NULL) { 383 rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u failed\n", 384 socket_id); 385 } 386 } 387 388 static void 389 init_config(void) 390 { 391 struct rte_port *port; 392 struct rte_mempool *mbp; 393 unsigned int nb_mbuf_per_pool; 394 streamid_t sm_id; 395 lcoreid_t lc_id; 396 portid_t pt_id; 397 398 /* Configuration of logical cores. */ 399 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", 400 sizeof(struct fwd_lcore *) * nb_lcores, 401 CACHE_LINE_SIZE); 402 if (fwd_lcores == NULL) { 403 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) failed\n", 404 nb_lcores); 405 } 406 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 407 fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore", 408 sizeof(struct fwd_lcore), 409 CACHE_LINE_SIZE); 410 if (fwd_lcores[lc_id] == NULL) { 411 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) failed\n"); 412 } 413 fwd_lcores[lc_id]->cpuid_idx = lc_id; 414 } 415 416 /* 417 * Create pools of mbuf. 418 * If NUMA support is disabled, create a single pool of mbuf in 419 * socket 0 memory. 420 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. 421 */ 422 nb_mbuf_per_pool = nb_rxd + (nb_lcores * mb_mempool_cache) + 423 nb_txd + MAX_PKT_BURST; 424 if (numa_support) { 425 nb_mbuf_per_pool = nb_mbuf_per_pool * (nb_ports >> 1); 426 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 427 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1); 428 } else { 429 nb_mbuf_per_pool = (nb_mbuf_per_pool * nb_ports); 430 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 431 } 432 433 /* 434 * Records which Mbuf pool to use by each logical core, if needed. 435 */ 436 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 437 mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id)); 438 if (mbp == NULL) 439 mbp = mbuf_pool_find(0); 440 fwd_lcores[lc_id]->mbp = mbp; 441 } 442 443 /* Configuration of Ethernet ports. */ 444 ports = rte_zmalloc("testpmd: ports", 445 sizeof(struct rte_port) * nb_ports, 446 CACHE_LINE_SIZE); 447 if (ports == NULL) { 448 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d struct rte_port) failed\n", 449 nb_ports); 450 } 451 port = ports; 452 for (pt_id = 0; pt_id < nb_ports; pt_id++, port++) { 453 rte_eth_dev_info_get(pt_id, &port->dev_info); 454 if (nb_rxq > port->dev_info.max_rx_queues) { 455 rte_exit(EXIT_FAILURE, "Port %d: max RX queues %d < nb_rxq %d\n", 456 (int) pt_id, 457 (int) port->dev_info.max_rx_queues, 458 (int) nb_rxq); 459 } 460 if (nb_txq > port->dev_info.max_tx_queues) { 461 rte_exit(EXIT_FAILURE, "Port %d: max TX queues %d < nb_txq %d\n", 462 (int) pt_id, 463 (int) port->dev_info.max_tx_queues, 464 (int) nb_txq); 465 } 466 467 if (numa_support) 468 port->socket_id = (pt_id < (nb_ports >> 1)) ? 0 : 1; 469 else 470 port->socket_id = 0; 471 } 472 473 /* Configuration of packet forwarding streams. */ 474 nb_fwd_streams = (streamid_t) (nb_ports * nb_rxq); 475 fwd_streams = rte_zmalloc("testpmd: fwd_streams", 476 sizeof(struct fwd_stream *) * nb_fwd_streams, 477 CACHE_LINE_SIZE); 478 if (fwd_streams == NULL) { 479 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) failed\n", 480 nb_fwd_streams); 481 } 482 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 483 fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream", 484 sizeof(struct fwd_stream), 485 CACHE_LINE_SIZE); 486 if (fwd_streams[sm_id] == NULL) { 487 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream) failed\n"); 488 } 489 } 490 } 491 492 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 493 static void 494 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs) 495 { 496 unsigned int total_burst; 497 unsigned int nb_burst; 498 unsigned int burst_stats[3]; 499 uint16_t pktnb_stats[3]; 500 uint16_t nb_pkt; 501 int burst_percent[3]; 502 503 /* 504 * First compute the total number of packet bursts and the 505 * two highest numbers of bursts of the same number of packets. 506 */ 507 total_burst = 0; 508 burst_stats[0] = burst_stats[1] = burst_stats[2] = 0; 509 pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0; 510 for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) { 511 nb_burst = pbs->pkt_burst_spread[nb_pkt]; 512 if (nb_burst == 0) 513 continue; 514 total_burst += nb_burst; 515 if (nb_burst > burst_stats[0]) { 516 burst_stats[1] = burst_stats[0]; 517 pktnb_stats[1] = pktnb_stats[0]; 518 burst_stats[0] = nb_burst; 519 pktnb_stats[0] = nb_pkt; 520 } 521 } 522 if (total_burst == 0) 523 return; 524 burst_percent[0] = (burst_stats[0] * 100) / total_burst; 525 printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst, 526 burst_percent[0], (int) pktnb_stats[0]); 527 if (burst_stats[0] == total_burst) { 528 printf("]\n"); 529 return; 530 } 531 if (burst_stats[0] + burst_stats[1] == total_burst) { 532 printf(" + %d%% of %d pkts]\n", 533 100 - burst_percent[0], pktnb_stats[1]); 534 return; 535 } 536 burst_percent[1] = (burst_stats[1] * 100) / total_burst; 537 burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]); 538 if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) { 539 printf(" + %d%% of others]\n", 100 - burst_percent[0]); 540 return; 541 } 542 printf(" + %d%% of %d pkts + %d%% of others]\n", 543 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]); 544 } 545 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */ 546 547 static void 548 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) 549 { 550 struct rte_port *port; 551 552 static const char *fwd_stats_border = "----------------------"; 553 554 port = &ports[port_id]; 555 printf("\n %s Forward statistics for port %-2d %s\n", 556 fwd_stats_border, port_id, fwd_stats_border); 557 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 558 "%-"PRIu64"\n", 559 stats->ipackets, stats->ierrors, 560 (uint64_t) (stats->ipackets + stats->ierrors)); 561 562 if (cur_fwd_eng == &csum_fwd_engine) 563 printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n", 564 port->rx_bad_ip_csum, port->rx_bad_l4_csum); 565 566 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 567 "%-"PRIu64"\n", 568 stats->opackets, port->tx_dropped, 569 (uint64_t) (stats->opackets + port->tx_dropped)); 570 571 if (stats->rx_nombuf > 0) 572 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); 573 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 574 if (port->rx_stream) 575 pkt_burst_stats_display("RX", &port->rx_stream->rx_burst_stats); 576 if (port->tx_stream) 577 pkt_burst_stats_display("TX", &port->tx_stream->tx_burst_stats); 578 #endif 579 /* stats fdir */ 580 if (fdir_conf.mode != RTE_FDIR_MODE_NONE) 581 printf(" Fdirmiss: %-14"PRIu64" Fdirmatch: %-14"PRIu64"\n", 582 stats->fdirmiss, 583 stats->fdirmatch); 584 585 printf(" %s--------------------------------%s\n", 586 fwd_stats_border, fwd_stats_border); 587 } 588 589 static void 590 fwd_stream_stats_display(streamid_t stream_id) 591 { 592 struct fwd_stream *fs; 593 static const char *fwd_top_stats_border = "-------"; 594 595 fs = fwd_streams[stream_id]; 596 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) && 597 (fs->fwd_dropped == 0)) 598 return; 599 printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> " 600 "TX Port=%2d/Queue=%2d %s\n", 601 fwd_top_stats_border, fs->rx_port, fs->rx_queue, 602 fs->tx_port, fs->tx_queue, fwd_top_stats_border); 603 printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u", 604 fs->rx_packets, fs->tx_packets, fs->fwd_dropped); 605 606 /* if checksum mode */ 607 if (cur_fwd_eng == &csum_fwd_engine) { 608 printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: %-14u\n", 609 fs->rx_bad_ip_csum, fs->rx_bad_l4_csum); 610 } 611 612 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 613 pkt_burst_stats_display("RX", &fs->rx_burst_stats); 614 pkt_burst_stats_display("TX", &fs->tx_burst_stats); 615 #endif 616 } 617 618 static void 619 flush_all_rx_queues(void) 620 { 621 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 622 portid_t rxp; 623 queueid_t rxq; 624 uint16_t nb_rx; 625 uint16_t i; 626 uint8_t j; 627 628 for (j = 0; j < 2; j++) { 629 for (rxp = 0; rxp < nb_ports; rxp++) { 630 for (rxq = 0; rxq < nb_rxq; rxq++) { 631 do { 632 nb_rx = rte_eth_rx_burst(rxp, rxq, 633 pkts_burst, 634 MAX_PKT_BURST); 635 for (i = 0; i < nb_rx; i++) 636 rte_pktmbuf_free(pkts_burst[i]); 637 } while (nb_rx > 0); 638 } 639 } 640 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */ 641 } 642 } 643 644 static void 645 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd) 646 { 647 struct fwd_stream **fsm; 648 streamid_t nb_fs; 649 streamid_t sm_id; 650 651 fsm = &fwd_streams[fc->stream_idx]; 652 nb_fs = fc->stream_nb; 653 do { 654 for (sm_id = 0; sm_id < nb_fs; sm_id++) 655 (*pkt_fwd)(fsm[sm_id]); 656 } while (! fc->stopped); 657 } 658 659 static int 660 start_pkt_forward_on_core(void *fwd_arg) 661 { 662 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg, 663 cur_fwd_config.fwd_eng->packet_fwd); 664 return 0; 665 } 666 667 /* 668 * Run the TXONLY packet forwarding engine to send a single burst of packets. 669 * Used to start communication flows in network loopback test configurations. 670 */ 671 static int 672 run_one_txonly_burst_on_core(void *fwd_arg) 673 { 674 struct fwd_lcore *fwd_lc; 675 struct fwd_lcore tmp_lcore; 676 677 fwd_lc = (struct fwd_lcore *) fwd_arg; 678 tmp_lcore = *fwd_lc; 679 tmp_lcore.stopped = 1; 680 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd); 681 return 0; 682 } 683 684 /* 685 * Launch packet forwarding: 686 * - Setup per-port forwarding context. 687 * - launch logical cores with their forwarding configuration. 688 */ 689 static void 690 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore) 691 { 692 port_fwd_begin_t port_fwd_begin; 693 unsigned int i; 694 unsigned int lc_id; 695 int diag; 696 697 port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin; 698 if (port_fwd_begin != NULL) { 699 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 700 (*port_fwd_begin)(fwd_ports_ids[i]); 701 } 702 for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) { 703 lc_id = fwd_lcores_cpuids[i]; 704 if ((interactive == 0) || (lc_id != rte_lcore_id())) { 705 fwd_lcores[i]->stopped = 0; 706 diag = rte_eal_remote_launch(pkt_fwd_on_lcore, 707 fwd_lcores[i], lc_id); 708 if (diag != 0) 709 printf("launch lcore %u failed - diag=%d\n", 710 lc_id, diag); 711 } 712 } 713 } 714 715 /* 716 * Launch packet forwarding configuration. 717 */ 718 void 719 start_packet_forwarding(int with_tx_first) 720 { 721 port_fwd_begin_t port_fwd_begin; 722 port_fwd_end_t port_fwd_end; 723 struct rte_port *port; 724 unsigned int i; 725 portid_t pt_id; 726 streamid_t sm_id; 727 728 if (test_done == 0) { 729 printf("Packet forwarding already started\n"); 730 return; 731 } 732 test_done = 0; 733 flush_all_rx_queues(); 734 fwd_config_setup(); 735 rxtx_config_display(); 736 737 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 738 pt_id = fwd_ports_ids[i]; 739 port = &ports[pt_id]; 740 rte_eth_stats_get(pt_id, &port->stats); 741 port->tx_dropped = 0; 742 } 743 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 744 fwd_streams[sm_id]->rx_packets = 0; 745 fwd_streams[sm_id]->tx_packets = 0; 746 fwd_streams[sm_id]->fwd_dropped = 0; 747 fwd_streams[sm_id]->rx_bad_ip_csum = 0; 748 fwd_streams[sm_id]->rx_bad_l4_csum = 0; 749 750 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 751 memset(&fwd_streams[sm_id]->rx_burst_stats, 0, 752 sizeof(fwd_streams[sm_id]->rx_burst_stats)); 753 memset(&fwd_streams[sm_id]->tx_burst_stats, 0, 754 sizeof(fwd_streams[sm_id]->tx_burst_stats)); 755 #endif 756 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 757 fwd_streams[sm_id]->core_cycles = 0; 758 #endif 759 } 760 if (with_tx_first) { 761 port_fwd_begin = tx_only_engine.port_fwd_begin; 762 if (port_fwd_begin != NULL) { 763 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 764 (*port_fwd_begin)(fwd_ports_ids[i]); 765 } 766 launch_packet_forwarding(run_one_txonly_burst_on_core); 767 rte_eal_mp_wait_lcore(); 768 port_fwd_end = tx_only_engine.port_fwd_end; 769 if (port_fwd_end != NULL) { 770 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 771 (*port_fwd_end)(fwd_ports_ids[i]); 772 } 773 } 774 launch_packet_forwarding(start_pkt_forward_on_core); 775 } 776 777 void 778 stop_packet_forwarding(void) 779 { 780 struct rte_eth_stats stats; 781 struct rte_port *port; 782 port_fwd_end_t port_fwd_end; 783 int i; 784 portid_t pt_id; 785 streamid_t sm_id; 786 lcoreid_t lc_id; 787 uint64_t total_recv; 788 uint64_t total_xmit; 789 uint64_t total_rx_dropped; 790 uint64_t total_tx_dropped; 791 uint64_t total_rx_nombuf; 792 uint64_t tx_dropped; 793 uint64_t rx_bad_ip_csum; 794 uint64_t rx_bad_l4_csum; 795 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 796 uint64_t fwd_cycles; 797 #endif 798 static const char *acc_stats_border = "+++++++++++++++"; 799 800 if (test_done) { 801 printf("Packet forwarding not started\n"); 802 return; 803 } 804 printf("Telling cores to stop..."); 805 for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++) 806 fwd_lcores[lc_id]->stopped = 1; 807 printf("\nWaiting for lcores to finish...\n"); 808 rte_eal_mp_wait_lcore(); 809 port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end; 810 if (port_fwd_end != NULL) { 811 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 812 pt_id = fwd_ports_ids[i]; 813 (*port_fwd_end)(pt_id); 814 } 815 } 816 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 817 fwd_cycles = 0; 818 #endif 819 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 820 if (cur_fwd_config.nb_fwd_streams > 821 cur_fwd_config.nb_fwd_ports) { 822 fwd_stream_stats_display(sm_id); 823 ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL; 824 ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL; 825 } else { 826 ports[fwd_streams[sm_id]->tx_port].tx_stream = 827 fwd_streams[sm_id]; 828 ports[fwd_streams[sm_id]->rx_port].rx_stream = 829 fwd_streams[sm_id]; 830 } 831 tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped; 832 tx_dropped = (uint64_t) (tx_dropped + 833 fwd_streams[sm_id]->fwd_dropped); 834 ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped; 835 836 rx_bad_ip_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum; 837 rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum + 838 fwd_streams[sm_id]->rx_bad_ip_csum); 839 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = rx_bad_ip_csum; 840 841 rx_bad_l4_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum; 842 rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum + 843 fwd_streams[sm_id]->rx_bad_l4_csum); 844 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = rx_bad_l4_csum; 845 846 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 847 fwd_cycles = (uint64_t) (fwd_cycles + 848 fwd_streams[sm_id]->core_cycles); 849 #endif 850 } 851 total_recv = 0; 852 total_xmit = 0; 853 total_rx_dropped = 0; 854 total_tx_dropped = 0; 855 total_rx_nombuf = 0; 856 for (i = 0; i < ((cur_fwd_config.nb_fwd_ports + 1) & ~0x1); i++) { 857 pt_id = fwd_ports_ids[i]; 858 859 port = &ports[pt_id]; 860 rte_eth_stats_get(pt_id, &stats); 861 stats.ipackets -= port->stats.ipackets; 862 port->stats.ipackets = 0; 863 stats.opackets -= port->stats.opackets; 864 port->stats.opackets = 0; 865 stats.ibytes -= port->stats.ibytes; 866 port->stats.ibytes = 0; 867 stats.obytes -= port->stats.obytes; 868 port->stats.obytes = 0; 869 stats.ierrors -= port->stats.ierrors; 870 port->stats.ierrors = 0; 871 stats.oerrors -= port->stats.oerrors; 872 port->stats.oerrors = 0; 873 stats.rx_nombuf -= port->stats.rx_nombuf; 874 port->stats.rx_nombuf = 0; 875 stats.fdirmatch -= port->stats.fdirmatch; 876 port->stats.rx_nombuf = 0; 877 stats.fdirmiss -= port->stats.fdirmiss; 878 port->stats.rx_nombuf = 0; 879 880 total_recv += stats.ipackets; 881 total_xmit += stats.opackets; 882 total_rx_dropped += stats.ierrors; 883 total_tx_dropped += port->tx_dropped; 884 total_rx_nombuf += stats.rx_nombuf; 885 886 fwd_port_stats_display(pt_id, &stats); 887 } 888 printf("\n %s Accumulated forward statistics for all ports" 889 "%s\n", 890 acc_stats_border, acc_stats_border); 891 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 892 "%-"PRIu64"\n" 893 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 894 "%-"PRIu64"\n", 895 total_recv, total_rx_dropped, total_recv + total_rx_dropped, 896 total_xmit, total_tx_dropped, total_xmit + total_tx_dropped); 897 if (total_rx_nombuf > 0) 898 printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf); 899 printf(" %s++++++++++++++++++++++++++++++++++++++++++++++" 900 "%s\n", 901 acc_stats_border, acc_stats_border); 902 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 903 if (total_recv > 0) 904 printf("\n CPU cycles/packet=%u (total cycles=" 905 "%"PRIu64" / total RX packets=%"PRIu64")\n", 906 (unsigned int)(fwd_cycles / total_recv), 907 fwd_cycles, total_recv); 908 #endif 909 printf("\nDone.\n"); 910 test_done = 1; 911 } 912 913 void 914 pmd_test_exit(void) 915 { 916 portid_t pt_id; 917 918 for (pt_id = 0; pt_id < nb_ports; pt_id++) { 919 printf("Stopping port %d...", pt_id); 920 fflush(stdout); 921 rte_eth_dev_close(pt_id); 922 printf("done\n"); 923 } 924 printf("bye...\n"); 925 } 926 927 typedef void (*cmd_func_t)(void); 928 struct pmd_test_command { 929 const char *cmd_name; 930 cmd_func_t cmd_func; 931 }; 932 933 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0])) 934 935 static void 936 fatal_init_error(const char *func_name, uint8_t port_id, int diag) 937 { 938 rte_panic("%s(port_id=%d) failed - diag=%d\n", 939 func_name, port_id, diag); 940 } 941 942 static void 943 init_ports(void) 944 { 945 struct rte_eth_link link; 946 struct rte_eth_conf port_conf = { 947 .intr_conf = { 948 .lsc = 0, 949 }, 950 }; 951 struct rte_eth_rxconf rx_conf; 952 struct rte_eth_txconf tx_conf; 953 struct rte_port *port; 954 unsigned int sock_id; 955 portid_t pi; 956 queueid_t qi; 957 int diag; 958 959 port_conf.rxmode = rx_mode; 960 port_conf.fdir_conf = fdir_conf; 961 962 if (nb_rxq > 0) { /* configure RSS */ 963 port_conf.rx_adv_conf.rss_conf.rss_key = NULL; 964 /* use default hash key */ 965 port_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf; 966 } else 967 port_conf.rx_adv_conf.rss_conf.rss_hf = 0; 968 rx_conf.rx_thresh = rx_thresh; 969 rx_conf.rx_free_thresh = rx_free_thresh; 970 tx_conf.tx_thresh = tx_thresh; 971 tx_conf.tx_rs_thresh = tx_rs_thresh; 972 tx_conf.tx_free_thresh = tx_free_thresh; 973 974 for (pi = 0; pi < nb_ports; pi++) { 975 port = &ports[pi]; 976 memcpy(&port->dev_conf, &port_conf, sizeof(port_conf)); 977 sock_id = port->socket_id; 978 printf("Initializing port %d... ", pi); 979 fflush(stdout); 980 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, &port_conf); 981 if (diag != 0) { 982 fatal_init_error("rte_eth_dev_configure", pi, diag); 983 /* NOT REACHED */ 984 } 985 rte_eth_macaddr_get(pi, &port->eth_addr); 986 for (qi = 0; qi < nb_txq; qi++) { 987 diag = rte_eth_tx_queue_setup(pi, qi, nb_txd, 988 sock_id, 989 &tx_conf); 990 if (diag != 0) { 991 fatal_init_error("rte_eth_tx_queue_setup", 992 pi, diag); 993 /* NOT REACHED */ 994 } 995 } 996 for (qi = 0; qi < nb_rxq; qi++) { 997 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, sock_id, 998 &rx_conf, 999 mbuf_pool_find(sock_id)); 1000 if (diag != 0) { 1001 fatal_init_error("rte_eth_rx_queue_setup", 1002 pi , diag); 1003 /* NOT REACHED */ 1004 } 1005 } 1006 1007 /* Start device */ 1008 diag = rte_eth_dev_start(pi); 1009 if (diag != 0) { 1010 fatal_init_error("rte_eth_dev_start", pi, diag); 1011 /* NOT REACHED */ 1012 } 1013 printf("done: "); 1014 rte_eth_link_get(pi, &link); 1015 if (link.link_status) { 1016 printf(" Link Up - speed %u Mbps - %s\n", 1017 (unsigned) link.link_speed, 1018 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1019 ("full-duplex") : ("half-duplex\n")); 1020 } else { 1021 printf(" Link Down\n"); 1022 } 1023 1024 /* 1025 * If enabled, put device in promiscuous mode. 1026 * This allows the PMD test in IO forwarding mode to forward 1027 * packets to itself through 2 cross-connected ports of the 1028 * target machine. 1029 */ 1030 if (promiscuous_on) 1031 rte_eth_promiscuous_enable(pi); 1032 } 1033 } 1034 1035 #ifdef RTE_EXEC_ENV_BAREMETAL 1036 #define main _main 1037 #endif 1038 1039 int 1040 main(int argc, char** argv) 1041 { 1042 int diag; 1043 1044 diag = rte_eal_init(argc, argv); 1045 if (diag < 0) 1046 rte_panic("Cannot init EAL\n"); 1047 1048 #ifdef RTE_LIBRTE_IGB_PMD 1049 if (rte_igb_pmd_init()) 1050 rte_panic("Cannot init igb PMD\n"); 1051 #endif 1052 #ifdef RTE_LIBRTE_IXGBE_PMD 1053 if (rte_ixgbe_pmd_init()) 1054 rte_panic("Cannot init ixgbe PMD\n"); 1055 1056 if (rte_ixgbevf_pmd_init()) 1057 rte_panic("Cannot init ixgbevf PMD\n"); 1058 #endif 1059 1060 if (rte_eal_pci_probe()) 1061 rte_panic("Cannot probe PCI\n"); 1062 1063 nb_ports = (portid_t) rte_eth_dev_count(); 1064 if (nb_ports == 0) 1065 rte_exit(EXIT_FAILURE, "No probed ethernet devices - check that " 1066 "CONFIG_RTE_LIBRTE_IGB_PMD=y and that " 1067 "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in your " 1068 "configuration file\n"); 1069 1070 set_def_fwd_config(); 1071 if (nb_lcores == 0) 1072 rte_panic("Empty set of forwarding logical cores - check the " 1073 "core mask supplied in the command parameters\n"); 1074 1075 argc -= diag; 1076 argv += diag; 1077 if (argc > 1) 1078 launch_args_parse(argc, argv); 1079 1080 if (nb_rxq > nb_txq) 1081 printf("Warning: nb_rxq=%d enables RSS configuration, " 1082 "but nb_txq=%d will prevent to fully test it.\n", 1083 nb_rxq, nb_txq); 1084 1085 init_config(); 1086 1087 init_ports(); 1088 1089 if (interactive == 1) 1090 prompt(); 1091 else { 1092 char c; 1093 int rc; 1094 1095 printf("No commandline core given, start packet forwarding\n"); 1096 start_packet_forwarding(0); 1097 printf("Press enter to exit\n"); 1098 rc = read(0, &c, 1); 1099 if (rc < 0) 1100 return 1; 1101 } 1102 1103 return 0; 1104 } 1105