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 * version: DPDK.L.1.2.3-3 34 */ 35 36 #include <stdarg.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <signal.h> 40 #include <string.h> 41 #include <time.h> 42 #include <fcntl.h> 43 #include <sys/types.h> 44 #include <errno.h> 45 46 #include <sys/queue.h> 47 #include <sys/stat.h> 48 49 #include <stdint.h> 50 #include <unistd.h> 51 #include <inttypes.h> 52 53 #include <rte_common.h> 54 #include <rte_byteorder.h> 55 #include <rte_log.h> 56 #include <rte_debug.h> 57 #include <rte_cycles.h> 58 #include <rte_memory.h> 59 #include <rte_memcpy.h> 60 #include <rte_memzone.h> 61 #include <rte_launch.h> 62 #include <rte_tailq.h> 63 #include <rte_eal.h> 64 #include <rte_per_lcore.h> 65 #include <rte_lcore.h> 66 #include <rte_atomic.h> 67 #include <rte_branch_prediction.h> 68 #include <rte_ring.h> 69 #include <rte_mempool.h> 70 #include <rte_malloc.h> 71 #include <rte_mbuf.h> 72 #include <rte_interrupts.h> 73 #include <rte_pci.h> 74 #include <rte_ether.h> 75 #include <rte_ethdev.h> 76 #include <rte_string_fns.h> 77 78 #include "testpmd.h" 79 80 uint16_t verbose_level = 0; /**< Silent by default. */ 81 82 /* use master core for command line ? */ 83 uint8_t interactive = 0; 84 85 /* 86 * NUMA support configuration. 87 * When set, the NUMA support attempts to dispatch the allocation of the 88 * RX and TX memory rings, and of the DMA memory buffers (mbufs) for the 89 * probed ports among the CPU sockets 0 and 1. 90 * Otherwise, all memory is allocated from CPU socket 0. 91 */ 92 uint8_t numa_support = 0; /**< No numa support by default */ 93 94 /* 95 * Record the Ethernet address of peer target ports to which packets are 96 * forwarded. 97 * Must be instanciated with the ethernet addresses of peer traffic generator 98 * ports. 99 */ 100 struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS]; 101 portid_t nb_peer_eth_addrs = 0; 102 103 /* 104 * Probed Target Environment. 105 */ 106 struct rte_port *ports; /**< For all probed ethernet ports. */ 107 portid_t nb_ports; /**< Number of probed ethernet ports. */ 108 struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */ 109 lcoreid_t nb_lcores; /**< Number of probed logical cores. */ 110 111 /* 112 * Test Forwarding Configuration. 113 * nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores 114 * nb_fwd_ports <= nb_cfg_ports <= nb_ports 115 */ 116 lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */ 117 lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */ 118 portid_t nb_cfg_ports; /**< Number of configured ports. */ 119 portid_t nb_fwd_ports; /**< Number of forwarding ports. */ 120 121 unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */ 122 portid_t fwd_ports_ids[RTE_MAX_ETHPORTS]; /**< Port ids configuration. */ 123 124 struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */ 125 streamid_t nb_fwd_streams; /**< Is equal to (nb_ports * nb_rxq). */ 126 127 /* 128 * Forwarding engines. 129 */ 130 struct fwd_engine * fwd_engines[] = { 131 &io_fwd_engine, 132 &mac_fwd_engine, 133 &rx_only_engine, 134 &tx_only_engine, 135 &csum_fwd_engine, 136 #ifdef RTE_LIBRTE_IEEE1588 137 &ieee1588_fwd_engine, 138 #endif 139 NULL, 140 }; 141 142 struct fwd_config cur_fwd_config; 143 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */ 144 145 uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */ 146 147 /* 148 * Configuration of packet segments used by the "txonly" processing engine. 149 */ 150 uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */ 151 uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = { 152 TXONLY_DEF_PACKET_LEN, 153 }; 154 uint8_t tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */ 155 156 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */ 157 uint16_t mb_mempool_cache = DEF_PKT_BURST; /**< Size of mbuf mempool cache. */ 158 159 /* 160 * Ethernet Ports Configuration. 161 */ 162 int promiscuous_on = 1; /**< Ports set in promiscuous mode by default. */ 163 164 /* 165 * Configurable number of RX/TX queues. 166 */ 167 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */ 168 queueid_t nb_txq = 1; /**< Number of TX queues per port. */ 169 170 /* 171 * Configurable number of RX/TX ring descriptors. 172 */ 173 #define RTE_TEST_RX_DESC_DEFAULT 128 174 #define RTE_TEST_TX_DESC_DEFAULT 512 175 uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */ 176 uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */ 177 178 /* 179 * Configurable values of RX and TX ring threshold registers. 180 */ 181 #define RX_PTHRESH 8 /**< Default value of RX prefetch threshold register. */ 182 #define RX_HTHRESH 8 /**< Default value of RX host threshold register. */ 183 #define RX_WTHRESH 4 /**< Default value of RX write-back threshold register. */ 184 185 #define TX_PTHRESH 36 /**< Default value of TX prefetch threshold register. */ 186 #define TX_HTHRESH 0 /**< Default value of TX host threshold register. */ 187 #define TX_WTHRESH 0 /**< Default value of TX write-back threshold register. */ 188 189 struct rte_eth_thresh rx_thresh = { 190 .pthresh = RX_PTHRESH, 191 .hthresh = RX_HTHRESH, 192 .wthresh = RX_WTHRESH, 193 }; 194 195 struct rte_eth_thresh tx_thresh = { 196 .pthresh = TX_PTHRESH, 197 .hthresh = TX_HTHRESH, 198 .wthresh = TX_WTHRESH, 199 }; 200 201 /* 202 * Configurable value of RX free threshold. 203 */ 204 uint16_t rx_free_thresh = 0; /* Immediately free RX descriptors by default. */ 205 206 /* 207 * Configurable value of TX free threshold. 208 */ 209 uint16_t tx_free_thresh = 0; /* Use default values. */ 210 211 /* 212 * Configurable value of TX RS bit threshold. 213 */ 214 uint16_t tx_rs_thresh = 0; /* Use default values. */ 215 216 /* 217 * Receive Side Scaling (RSS) configuration. 218 */ 219 uint16_t rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6; /* RSS IP by default. */ 220 221 /* 222 * Port topology configuration 223 */ 224 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */ 225 226 /* 227 * Ethernet device configuration. 228 */ 229 struct rte_eth_rxmode rx_mode = { 230 .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */ 231 .split_hdr_size = 0, 232 .header_split = 0, /**< Header Split disabled. */ 233 .hw_ip_checksum = 0, /**< IP checksum offload disabled. */ 234 .hw_vlan_filter = 1, /**< VLAN filtering enabled. */ 235 .jumbo_frame = 0, /**< Jumbo Frame Support disabled. */ 236 .hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */ 237 }; 238 239 struct rte_fdir_conf fdir_conf = { 240 .mode = RTE_FDIR_MODE_NONE, 241 .pballoc = RTE_FDIR_PBALLOC_64K, 242 .status = RTE_FDIR_REPORT_STATUS, 243 .flexbytes_offset = 0x6, 244 .drop_queue = 127, 245 }; 246 247 static volatile int test_done = 1; /* stop packet forwarding when set to 1. */ 248 249 /* 250 * Setup default configuration. 251 */ 252 static void 253 set_default_fwd_lcores_config(void) 254 { 255 unsigned int i; 256 unsigned int nb_lc; 257 258 nb_lc = 0; 259 for (i = 0; i < RTE_MAX_LCORE; i++) { 260 if (! rte_lcore_is_enabled(i)) 261 continue; 262 if (i == rte_get_master_lcore()) 263 continue; 264 fwd_lcores_cpuids[nb_lc++] = i; 265 } 266 nb_lcores = (lcoreid_t) nb_lc; 267 nb_cfg_lcores = nb_lcores; 268 nb_fwd_lcores = 1; 269 } 270 271 static void 272 set_def_peer_eth_addrs(void) 273 { 274 portid_t i; 275 276 for (i = 0; i < RTE_MAX_ETHPORTS; i++) { 277 peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR; 278 peer_eth_addrs[i].addr_bytes[5] = i; 279 } 280 } 281 282 static void 283 set_default_fwd_ports_config(void) 284 { 285 portid_t pt_id; 286 287 for (pt_id = 0; pt_id < nb_ports; pt_id++) 288 fwd_ports_ids[pt_id] = pt_id; 289 290 nb_cfg_ports = nb_ports; 291 nb_fwd_ports = nb_ports; 292 } 293 294 void 295 set_def_fwd_config(void) 296 { 297 set_default_fwd_lcores_config(); 298 set_def_peer_eth_addrs(); 299 set_default_fwd_ports_config(); 300 } 301 302 /* 303 * Configuration initialisation done once at init time. 304 */ 305 struct mbuf_ctor_arg { 306 uint16_t seg_buf_offset; /**< offset of data in data segment of mbuf. */ 307 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 308 }; 309 310 struct mbuf_pool_ctor_arg { 311 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 312 }; 313 314 static void 315 testpmd_mbuf_ctor(struct rte_mempool *mp, 316 void *opaque_arg, 317 void *raw_mbuf, 318 __attribute__((unused)) unsigned i) 319 { 320 struct mbuf_ctor_arg *mb_ctor_arg; 321 struct rte_mbuf *mb; 322 323 mb_ctor_arg = (struct mbuf_ctor_arg *) opaque_arg; 324 mb = (struct rte_mbuf *) raw_mbuf; 325 326 mb->pool = mp; 327 mb->buf_addr = (void *) ((char *)mb + mb_ctor_arg->seg_buf_offset); 328 mb->buf_physaddr = (uint64_t) (rte_mempool_virt2phy(mp, mb) + 329 mb_ctor_arg->seg_buf_offset); 330 mb->buf_len = mb_ctor_arg->seg_buf_size; 331 mb->type = RTE_MBUF_PKT; 332 mb->ol_flags = 0; 333 mb->pkt.data = (char *) mb->buf_addr + RTE_PKTMBUF_HEADROOM; 334 mb->pkt.nb_segs = 1; 335 mb->pkt.l2_len = 0; 336 mb->pkt.l3_len = 0; 337 mb->pkt.vlan_tci = 0; 338 mb->pkt.hash.rss = 0; 339 } 340 341 static void 342 testpmd_mbuf_pool_ctor(struct rte_mempool *mp, 343 void *opaque_arg) 344 { 345 struct mbuf_pool_ctor_arg *mbp_ctor_arg; 346 struct rte_pktmbuf_pool_private *mbp_priv; 347 348 if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) { 349 printf("%s(%s) private_data_size %d < %d\n", 350 __func__, mp->name, (int) mp->private_data_size, 351 (int) sizeof(struct rte_pktmbuf_pool_private)); 352 return; 353 } 354 mbp_ctor_arg = (struct mbuf_pool_ctor_arg *) opaque_arg; 355 mbp_priv = (struct rte_pktmbuf_pool_private *) 356 ((char *)mp + sizeof(struct rte_mempool)); 357 mbp_priv->mbuf_data_room_size = mbp_ctor_arg->seg_buf_size; 358 } 359 360 static void 361 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf, 362 unsigned int socket_id) 363 { 364 char pool_name[RTE_MEMPOOL_NAMESIZE]; 365 struct rte_mempool *rte_mp; 366 struct mbuf_pool_ctor_arg mbp_ctor_arg; 367 struct mbuf_ctor_arg mb_ctor_arg; 368 uint32_t mb_size; 369 370 mbp_ctor_arg.seg_buf_size = (uint16_t) (RTE_PKTMBUF_HEADROOM + 371 mbuf_seg_size); 372 mb_ctor_arg.seg_buf_offset = 373 (uint16_t) CACHE_LINE_ROUNDUP(sizeof(struct rte_mbuf)); 374 mb_ctor_arg.seg_buf_size = mbp_ctor_arg.seg_buf_size; 375 mb_size = mb_ctor_arg.seg_buf_offset + mb_ctor_arg.seg_buf_size; 376 mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name)); 377 rte_mp = rte_mempool_create(pool_name, nb_mbuf, (unsigned) mb_size, 378 (unsigned) mb_mempool_cache, 379 sizeof(struct rte_pktmbuf_pool_private), 380 testpmd_mbuf_pool_ctor, &mbp_ctor_arg, 381 testpmd_mbuf_ctor, &mb_ctor_arg, 382 socket_id, 0); 383 if (rte_mp == NULL) { 384 rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u failed\n", 385 socket_id); 386 } 387 } 388 389 static void 390 init_config(void) 391 { 392 struct rte_port *port; 393 struct rte_mempool *mbp; 394 unsigned int nb_mbuf_per_pool; 395 streamid_t sm_id; 396 lcoreid_t lc_id; 397 portid_t pt_id; 398 399 /* Configuration of logical cores. */ 400 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", 401 sizeof(struct fwd_lcore *) * nb_lcores, 402 CACHE_LINE_SIZE); 403 if (fwd_lcores == NULL) { 404 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) failed\n", 405 nb_lcores); 406 } 407 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 408 fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore", 409 sizeof(struct fwd_lcore), 410 CACHE_LINE_SIZE); 411 if (fwd_lcores[lc_id] == NULL) { 412 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) failed\n"); 413 } 414 fwd_lcores[lc_id]->cpuid_idx = lc_id; 415 } 416 417 /* 418 * Create pools of mbuf. 419 * If NUMA support is disabled, create a single pool of mbuf in 420 * socket 0 memory. 421 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. 422 */ 423 nb_mbuf_per_pool = nb_rxd + (nb_lcores * mb_mempool_cache) + 424 nb_txd + MAX_PKT_BURST; 425 if (numa_support) { 426 nb_mbuf_per_pool = nb_mbuf_per_pool * (nb_ports >> 1); 427 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 428 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1); 429 } else { 430 nb_mbuf_per_pool = (nb_mbuf_per_pool * nb_ports); 431 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 432 } 433 434 /* 435 * Records which Mbuf pool to use by each logical core, if needed. 436 */ 437 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 438 mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id)); 439 if (mbp == NULL) 440 mbp = mbuf_pool_find(0); 441 fwd_lcores[lc_id]->mbp = mbp; 442 } 443 444 /* Configuration of Ethernet ports. */ 445 ports = rte_zmalloc("testpmd: ports", 446 sizeof(struct rte_port) * nb_ports, 447 CACHE_LINE_SIZE); 448 if (ports == NULL) { 449 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d struct rte_port) failed\n", 450 nb_ports); 451 } 452 port = ports; 453 for (pt_id = 0; pt_id < nb_ports; pt_id++, port++) { 454 rte_eth_dev_info_get(pt_id, &port->dev_info); 455 if (nb_rxq > port->dev_info.max_rx_queues) { 456 rte_exit(EXIT_FAILURE, "Port %d: max RX queues %d < nb_rxq %d\n", 457 (int) pt_id, 458 (int) port->dev_info.max_rx_queues, 459 (int) nb_rxq); 460 } 461 if (nb_txq > port->dev_info.max_tx_queues) { 462 rte_exit(EXIT_FAILURE, "Port %d: max TX queues %d < nb_txq %d\n", 463 (int) pt_id, 464 (int) port->dev_info.max_tx_queues, 465 (int) nb_txq); 466 } 467 468 if (numa_support) 469 port->socket_id = (pt_id < (nb_ports >> 1)) ? 0 : 1; 470 else 471 port->socket_id = 0; 472 } 473 474 /* Configuration of packet forwarding streams. */ 475 nb_fwd_streams = (streamid_t) (nb_ports * nb_rxq); 476 fwd_streams = rte_zmalloc("testpmd: fwd_streams", 477 sizeof(struct fwd_stream *) * nb_fwd_streams, 478 CACHE_LINE_SIZE); 479 if (fwd_streams == NULL) { 480 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) failed\n", 481 nb_fwd_streams); 482 } 483 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 484 fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream", 485 sizeof(struct fwd_stream), 486 CACHE_LINE_SIZE); 487 if (fwd_streams[sm_id] == NULL) { 488 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream) failed\n"); 489 } 490 } 491 } 492 493 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 494 static void 495 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs) 496 { 497 unsigned int total_burst; 498 unsigned int nb_burst; 499 unsigned int burst_stats[3]; 500 uint16_t pktnb_stats[3]; 501 uint16_t nb_pkt; 502 int burst_percent[3]; 503 504 /* 505 * First compute the total number of packet bursts and the 506 * two highest numbers of bursts of the same number of packets. 507 */ 508 total_burst = 0; 509 burst_stats[0] = burst_stats[1] = burst_stats[2] = 0; 510 pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0; 511 for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) { 512 nb_burst = pbs->pkt_burst_spread[nb_pkt]; 513 if (nb_burst == 0) 514 continue; 515 total_burst += nb_burst; 516 if (nb_burst > burst_stats[0]) { 517 burst_stats[1] = burst_stats[0]; 518 pktnb_stats[1] = pktnb_stats[0]; 519 burst_stats[0] = nb_burst; 520 pktnb_stats[0] = nb_pkt; 521 } 522 } 523 if (total_burst == 0) 524 return; 525 burst_percent[0] = (burst_stats[0] * 100) / total_burst; 526 printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst, 527 burst_percent[0], (int) pktnb_stats[0]); 528 if (burst_stats[0] == total_burst) { 529 printf("]\n"); 530 return; 531 } 532 if (burst_stats[0] + burst_stats[1] == total_burst) { 533 printf(" + %d%% of %d pkts]\n", 534 100 - burst_percent[0], pktnb_stats[1]); 535 return; 536 } 537 burst_percent[1] = (burst_stats[1] * 100) / total_burst; 538 burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]); 539 if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) { 540 printf(" + %d%% of others]\n", 100 - burst_percent[0]); 541 return; 542 } 543 printf(" + %d%% of %d pkts + %d%% of others]\n", 544 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]); 545 } 546 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */ 547 548 static void 549 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) 550 { 551 struct rte_port *port; 552 553 static const char *fwd_stats_border = "----------------------"; 554 555 port = &ports[port_id]; 556 printf("\n %s Forward statistics for port %-2d %s\n", 557 fwd_stats_border, port_id, fwd_stats_border); 558 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 559 "%-"PRIu64"\n", 560 stats->ipackets, stats->ierrors, 561 (uint64_t) (stats->ipackets + stats->ierrors)); 562 563 if (cur_fwd_eng == &csum_fwd_engine) 564 printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n", 565 port->rx_bad_ip_csum, port->rx_bad_l4_csum); 566 567 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 568 "%-"PRIu64"\n", 569 stats->opackets, port->tx_dropped, 570 (uint64_t) (stats->opackets + port->tx_dropped)); 571 572 if (stats->rx_nombuf > 0) 573 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); 574 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 575 if (port->rx_stream) 576 pkt_burst_stats_display("RX", &port->rx_stream->rx_burst_stats); 577 if (port->tx_stream) 578 pkt_burst_stats_display("TX", &port->tx_stream->tx_burst_stats); 579 #endif 580 /* stats fdir */ 581 if (fdir_conf.mode != RTE_FDIR_MODE_NONE) 582 printf(" Fdirmiss: %-14"PRIu64" Fdirmatch: %-14"PRIu64"\n", 583 stats->fdirmiss, 584 stats->fdirmatch); 585 586 printf(" %s--------------------------------%s\n", 587 fwd_stats_border, fwd_stats_border); 588 } 589 590 static void 591 fwd_stream_stats_display(streamid_t stream_id) 592 { 593 struct fwd_stream *fs; 594 static const char *fwd_top_stats_border = "-------"; 595 596 fs = fwd_streams[stream_id]; 597 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) && 598 (fs->fwd_dropped == 0)) 599 return; 600 printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> " 601 "TX Port=%2d/Queue=%2d %s\n", 602 fwd_top_stats_border, fs->rx_port, fs->rx_queue, 603 fs->tx_port, fs->tx_queue, fwd_top_stats_border); 604 printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u", 605 fs->rx_packets, fs->tx_packets, fs->fwd_dropped); 606 607 /* if checksum mode */ 608 if (cur_fwd_eng == &csum_fwd_engine) { 609 printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: %-14u\n", 610 fs->rx_bad_ip_csum, fs->rx_bad_l4_csum); 611 } 612 613 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 614 pkt_burst_stats_display("RX", &fs->rx_burst_stats); 615 pkt_burst_stats_display("TX", &fs->tx_burst_stats); 616 #endif 617 } 618 619 static void 620 flush_all_rx_queues(void) 621 { 622 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 623 portid_t rxp; 624 queueid_t rxq; 625 uint16_t nb_rx; 626 uint16_t i; 627 uint8_t j; 628 629 for (j = 0; j < 2; j++) { 630 for (rxp = 0; rxp < nb_ports; rxp++) { 631 for (rxq = 0; rxq < nb_rxq; rxq++) { 632 do { 633 nb_rx = rte_eth_rx_burst(rxp, rxq, 634 pkts_burst, 635 MAX_PKT_BURST); 636 for (i = 0; i < nb_rx; i++) 637 rte_pktmbuf_free(pkts_burst[i]); 638 } while (nb_rx > 0); 639 } 640 } 641 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */ 642 } 643 } 644 645 static void 646 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd) 647 { 648 struct fwd_stream **fsm; 649 streamid_t nb_fs; 650 streamid_t sm_id; 651 652 fsm = &fwd_streams[fc->stream_idx]; 653 nb_fs = fc->stream_nb; 654 do { 655 for (sm_id = 0; sm_id < nb_fs; sm_id++) 656 (*pkt_fwd)(fsm[sm_id]); 657 } while (! fc->stopped); 658 } 659 660 static int 661 start_pkt_forward_on_core(void *fwd_arg) 662 { 663 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg, 664 cur_fwd_config.fwd_eng->packet_fwd); 665 return 0; 666 } 667 668 /* 669 * Run the TXONLY packet forwarding engine to send a single burst of packets. 670 * Used to start communication flows in network loopback test configurations. 671 */ 672 static int 673 run_one_txonly_burst_on_core(void *fwd_arg) 674 { 675 struct fwd_lcore *fwd_lc; 676 struct fwd_lcore tmp_lcore; 677 678 fwd_lc = (struct fwd_lcore *) fwd_arg; 679 tmp_lcore = *fwd_lc; 680 tmp_lcore.stopped = 1; 681 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd); 682 return 0; 683 } 684 685 /* 686 * Launch packet forwarding: 687 * - Setup per-port forwarding context. 688 * - launch logical cores with their forwarding configuration. 689 */ 690 static void 691 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore) 692 { 693 port_fwd_begin_t port_fwd_begin; 694 unsigned int i; 695 unsigned int lc_id; 696 int diag; 697 698 port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin; 699 if (port_fwd_begin != NULL) { 700 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 701 (*port_fwd_begin)(fwd_ports_ids[i]); 702 } 703 for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) { 704 lc_id = fwd_lcores_cpuids[i]; 705 if ((interactive == 0) || (lc_id != rte_lcore_id())) { 706 fwd_lcores[i]->stopped = 0; 707 diag = rte_eal_remote_launch(pkt_fwd_on_lcore, 708 fwd_lcores[i], lc_id); 709 if (diag != 0) 710 printf("launch lcore %u failed - diag=%d\n", 711 lc_id, diag); 712 } 713 } 714 } 715 716 /* 717 * Launch packet forwarding configuration. 718 */ 719 void 720 start_packet_forwarding(int with_tx_first) 721 { 722 port_fwd_begin_t port_fwd_begin; 723 port_fwd_end_t port_fwd_end; 724 struct rte_port *port; 725 unsigned int i; 726 portid_t pt_id; 727 streamid_t sm_id; 728 729 if (test_done == 0) { 730 printf("Packet forwarding already started\n"); 731 return; 732 } 733 test_done = 0; 734 flush_all_rx_queues(); 735 fwd_config_setup(); 736 rxtx_config_display(); 737 738 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 739 pt_id = fwd_ports_ids[i]; 740 port = &ports[pt_id]; 741 rte_eth_stats_get(pt_id, &port->stats); 742 port->tx_dropped = 0; 743 } 744 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 745 fwd_streams[sm_id]->rx_packets = 0; 746 fwd_streams[sm_id]->tx_packets = 0; 747 fwd_streams[sm_id]->fwd_dropped = 0; 748 fwd_streams[sm_id]->rx_bad_ip_csum = 0; 749 fwd_streams[sm_id]->rx_bad_l4_csum = 0; 750 751 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 752 memset(&fwd_streams[sm_id]->rx_burst_stats, 0, 753 sizeof(fwd_streams[sm_id]->rx_burst_stats)); 754 memset(&fwd_streams[sm_id]->tx_burst_stats, 0, 755 sizeof(fwd_streams[sm_id]->tx_burst_stats)); 756 #endif 757 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 758 fwd_streams[sm_id]->core_cycles = 0; 759 #endif 760 } 761 if (with_tx_first) { 762 port_fwd_begin = tx_only_engine.port_fwd_begin; 763 if (port_fwd_begin != NULL) { 764 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 765 (*port_fwd_begin)(fwd_ports_ids[i]); 766 } 767 launch_packet_forwarding(run_one_txonly_burst_on_core); 768 rte_eal_mp_wait_lcore(); 769 port_fwd_end = tx_only_engine.port_fwd_end; 770 if (port_fwd_end != NULL) { 771 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 772 (*port_fwd_end)(fwd_ports_ids[i]); 773 } 774 } 775 launch_packet_forwarding(start_pkt_forward_on_core); 776 } 777 778 void 779 stop_packet_forwarding(void) 780 { 781 struct rte_eth_stats stats; 782 struct rte_port *port; 783 port_fwd_end_t port_fwd_end; 784 int i; 785 portid_t pt_id; 786 streamid_t sm_id; 787 lcoreid_t lc_id; 788 uint64_t total_recv; 789 uint64_t total_xmit; 790 uint64_t total_rx_dropped; 791 uint64_t total_tx_dropped; 792 uint64_t total_rx_nombuf; 793 uint64_t tx_dropped; 794 uint64_t rx_bad_ip_csum; 795 uint64_t rx_bad_l4_csum; 796 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 797 uint64_t fwd_cycles; 798 #endif 799 static const char *acc_stats_border = "+++++++++++++++"; 800 801 if (test_done) { 802 printf("Packet forwarding not started\n"); 803 return; 804 } 805 printf("Telling cores to stop..."); 806 for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++) 807 fwd_lcores[lc_id]->stopped = 1; 808 printf("\nWaiting for lcores to finish...\n"); 809 rte_eal_mp_wait_lcore(); 810 port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end; 811 if (port_fwd_end != NULL) { 812 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 813 pt_id = fwd_ports_ids[i]; 814 (*port_fwd_end)(pt_id); 815 } 816 } 817 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 818 fwd_cycles = 0; 819 #endif 820 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 821 if (cur_fwd_config.nb_fwd_streams > 822 cur_fwd_config.nb_fwd_ports) { 823 fwd_stream_stats_display(sm_id); 824 ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL; 825 ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL; 826 } else { 827 ports[fwd_streams[sm_id]->tx_port].tx_stream = 828 fwd_streams[sm_id]; 829 ports[fwd_streams[sm_id]->rx_port].rx_stream = 830 fwd_streams[sm_id]; 831 } 832 tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped; 833 tx_dropped = (uint64_t) (tx_dropped + 834 fwd_streams[sm_id]->fwd_dropped); 835 ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped; 836 837 rx_bad_ip_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum; 838 rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum + 839 fwd_streams[sm_id]->rx_bad_ip_csum); 840 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = rx_bad_ip_csum; 841 842 rx_bad_l4_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum; 843 rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum + 844 fwd_streams[sm_id]->rx_bad_l4_csum); 845 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = rx_bad_l4_csum; 846 847 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 848 fwd_cycles = (uint64_t) (fwd_cycles + 849 fwd_streams[sm_id]->core_cycles); 850 #endif 851 } 852 total_recv = 0; 853 total_xmit = 0; 854 total_rx_dropped = 0; 855 total_tx_dropped = 0; 856 total_rx_nombuf = 0; 857 for (i = 0; i < ((cur_fwd_config.nb_fwd_ports + 1) & ~0x1); i++) { 858 pt_id = fwd_ports_ids[i]; 859 860 port = &ports[pt_id]; 861 rte_eth_stats_get(pt_id, &stats); 862 stats.ipackets -= port->stats.ipackets; 863 port->stats.ipackets = 0; 864 stats.opackets -= port->stats.opackets; 865 port->stats.opackets = 0; 866 stats.ibytes -= port->stats.ibytes; 867 port->stats.ibytes = 0; 868 stats.obytes -= port->stats.obytes; 869 port->stats.obytes = 0; 870 stats.ierrors -= port->stats.ierrors; 871 port->stats.ierrors = 0; 872 stats.oerrors -= port->stats.oerrors; 873 port->stats.oerrors = 0; 874 stats.rx_nombuf -= port->stats.rx_nombuf; 875 port->stats.rx_nombuf = 0; 876 stats.fdirmatch -= port->stats.fdirmatch; 877 port->stats.rx_nombuf = 0; 878 stats.fdirmiss -= port->stats.fdirmiss; 879 port->stats.rx_nombuf = 0; 880 881 total_recv += stats.ipackets; 882 total_xmit += stats.opackets; 883 total_rx_dropped += stats.ierrors; 884 total_tx_dropped += port->tx_dropped; 885 total_rx_nombuf += stats.rx_nombuf; 886 887 fwd_port_stats_display(pt_id, &stats); 888 } 889 printf("\n %s Accumulated forward statistics for all ports" 890 "%s\n", 891 acc_stats_border, acc_stats_border); 892 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 893 "%-"PRIu64"\n" 894 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 895 "%-"PRIu64"\n", 896 total_recv, total_rx_dropped, total_recv + total_rx_dropped, 897 total_xmit, total_tx_dropped, total_xmit + total_tx_dropped); 898 if (total_rx_nombuf > 0) 899 printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf); 900 printf(" %s++++++++++++++++++++++++++++++++++++++++++++++" 901 "%s\n", 902 acc_stats_border, acc_stats_border); 903 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 904 if (total_recv > 0) 905 printf("\n CPU cycles/packet=%u (total cycles=" 906 "%"PRIu64" / total RX packets=%"PRIu64")\n", 907 (unsigned int)(fwd_cycles / total_recv), 908 fwd_cycles, total_recv); 909 #endif 910 printf("\nDone.\n"); 911 test_done = 1; 912 } 913 914 void 915 pmd_test_exit(void) 916 { 917 portid_t pt_id; 918 919 for (pt_id = 0; pt_id < nb_ports; pt_id++) { 920 printf("Stopping port %d...", pt_id); 921 fflush(stdout); 922 rte_eth_dev_close(pt_id); 923 printf("done\n"); 924 } 925 printf("bye...\n"); 926 } 927 928 typedef void (*cmd_func_t)(void); 929 struct pmd_test_command { 930 const char *cmd_name; 931 cmd_func_t cmd_func; 932 }; 933 934 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0])) 935 936 static void 937 fatal_init_error(const char *func_name, uint8_t port_id, int diag) 938 { 939 rte_panic("%s(port_id=%d) failed - diag=%d\n", 940 func_name, port_id, diag); 941 } 942 943 static void 944 init_ports(void) 945 { 946 struct rte_eth_link link; 947 struct rte_eth_conf port_conf = { 948 .intr_conf = { 949 .lsc = 0, 950 }, 951 }; 952 struct rte_eth_rxconf rx_conf; 953 struct rte_eth_txconf tx_conf; 954 struct rte_port *port; 955 unsigned int sock_id; 956 portid_t pi; 957 queueid_t qi; 958 int diag; 959 960 port_conf.rxmode = rx_mode; 961 port_conf.fdir_conf = fdir_conf; 962 963 if (nb_rxq > 0) { /* configure RSS */ 964 port_conf.rx_adv_conf.rss_conf.rss_key = NULL; 965 /* use default hash key */ 966 port_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf; 967 } else 968 port_conf.rx_adv_conf.rss_conf.rss_hf = 0; 969 rx_conf.rx_thresh = rx_thresh; 970 rx_conf.rx_free_thresh = rx_free_thresh; 971 tx_conf.tx_thresh = tx_thresh; 972 tx_conf.tx_rs_thresh = tx_rs_thresh; 973 tx_conf.tx_free_thresh = tx_free_thresh; 974 975 for (pi = 0; pi < nb_ports; pi++) { 976 port = &ports[pi]; 977 memcpy(&port->dev_conf, &port_conf, sizeof(port_conf)); 978 sock_id = port->socket_id; 979 printf("Initializing port %d... ", pi); 980 fflush(stdout); 981 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, &port_conf); 982 if (diag != 0) { 983 fatal_init_error("rte_eth_dev_configure", pi, diag); 984 /* NOT REACHED */ 985 } 986 rte_eth_macaddr_get(pi, &port->eth_addr); 987 for (qi = 0; qi < nb_txq; qi++) { 988 diag = rte_eth_tx_queue_setup(pi, qi, nb_txd, 989 sock_id, 990 &tx_conf); 991 if (diag != 0) { 992 fatal_init_error("rte_eth_tx_queue_setup", 993 pi, diag); 994 /* NOT REACHED */ 995 } 996 } 997 for (qi = 0; qi < nb_rxq; qi++) { 998 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, sock_id, 999 &rx_conf, 1000 mbuf_pool_find(sock_id)); 1001 if (diag != 0) { 1002 fatal_init_error("rte_eth_rx_queue_setup", 1003 pi , diag); 1004 /* NOT REACHED */ 1005 } 1006 } 1007 1008 /* Start device */ 1009 diag = rte_eth_dev_start(pi); 1010 if (diag != 0) { 1011 fatal_init_error("rte_eth_dev_start", pi, diag); 1012 /* NOT REACHED */ 1013 } 1014 printf("done: "); 1015 rte_eth_link_get(pi, &link); 1016 if (link.link_status) { 1017 printf(" Link Up - speed %u Mbps - %s\n", 1018 (unsigned) link.link_speed, 1019 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1020 ("full-duplex") : ("half-duplex\n")); 1021 } else { 1022 printf(" Link Down\n"); 1023 } 1024 1025 /* 1026 * If enabled, put device in promiscuous mode. 1027 * This allows the PMD test in IO forwarding mode to forward 1028 * packets to itself through 2 cross-connected ports of the 1029 * target machine. 1030 */ 1031 if (promiscuous_on) 1032 rte_eth_promiscuous_enable(pi); 1033 } 1034 } 1035 1036 #ifdef RTE_EXEC_ENV_BAREMETAL 1037 #define main _main 1038 #endif 1039 1040 int 1041 main(int argc, char** argv) 1042 { 1043 int diag; 1044 1045 diag = rte_eal_init(argc, argv); 1046 if (diag < 0) 1047 rte_panic("Cannot init EAL\n"); 1048 1049 #ifdef RTE_LIBRTE_IGB_PMD 1050 if (rte_igb_pmd_init()) 1051 rte_panic("Cannot init igb PMD\n"); 1052 #endif 1053 #ifdef RTE_LIBRTE_IXGBE_PMD 1054 if (rte_ixgbe_pmd_init()) 1055 rte_panic("Cannot init ixgbe PMD\n"); 1056 1057 if (rte_ixgbevf_pmd_init()) 1058 rte_panic("Cannot init ixgbevf PMD\n"); 1059 #endif 1060 1061 if (rte_eal_pci_probe()) 1062 rte_panic("Cannot probe PCI\n"); 1063 1064 nb_ports = (portid_t) rte_eth_dev_count(); 1065 if (nb_ports == 0) 1066 rte_exit(EXIT_FAILURE, "No probed ethernet devices - check that " 1067 "CONFIG_RTE_LIBRTE_IGB_PMD=y and that " 1068 "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in your " 1069 "configuration file\n"); 1070 1071 set_def_fwd_config(); 1072 if (nb_lcores == 0) 1073 rte_panic("Empty set of forwarding logical cores - check the " 1074 "core mask supplied in the command parameters\n"); 1075 1076 argc -= diag; 1077 argv += diag; 1078 if (argc > 1) 1079 launch_args_parse(argc, argv); 1080 1081 if (nb_rxq > nb_txq) 1082 printf("Warning: nb_rxq=%d enables RSS configuration, " 1083 "but nb_txq=%d will prevent to fully test it.\n", 1084 nb_rxq, nb_txq); 1085 1086 init_config(); 1087 1088 init_ports(); 1089 1090 if (interactive == 1) 1091 prompt(); 1092 else { 1093 char c; 1094 int rc; 1095 1096 printf("No commandline core given, start packet forwarding\n"); 1097 start_packet_forwarding(0); 1098 printf("Press enter to exit\n"); 1099 rc = read(0, &c, 1); 1100 if (rc < 0) 1101 return 1; 1102 } 1103 1104 return 0; 1105 } 1106