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 uint32_t param_total_num_mbufs = 0; /**< number of mbufs in all pools - if 146 * specified on command-line. */ 147 148 /* 149 * Configuration of packet segments used by the "txonly" processing engine. 150 */ 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, 154 }; 155 uint8_t tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */ 156 157 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. */ 159 160 /* 161 * Ethernet Ports Configuration. 162 */ 163 int promiscuous_on = 1; /**< Ports set in promiscuous mode by default. */ 164 165 /* 166 * Configurable number of RX/TX queues. 167 */ 168 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */ 169 queueid_t nb_txq = 1; /**< Number of TX queues per port. */ 170 171 /* 172 * Configurable number of RX/TX ring descriptors. 173 */ 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. */ 178 179 /* 180 * Configurable values of RX and TX ring threshold registers. 181 */ 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. */ 185 186 #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. */ 189 190 struct rte_eth_thresh rx_thresh = { 191 .pthresh = RX_PTHRESH, 192 .hthresh = RX_HTHRESH, 193 .wthresh = RX_WTHRESH, 194 }; 195 196 struct rte_eth_thresh tx_thresh = { 197 .pthresh = TX_PTHRESH, 198 .hthresh = TX_HTHRESH, 199 .wthresh = TX_WTHRESH, 200 }; 201 202 /* 203 * Configurable value of RX free threshold. 204 */ 205 uint16_t rx_free_thresh = 0; /* Immediately free RX descriptors by default. */ 206 207 /* 208 * Configurable value of TX free threshold. 209 */ 210 uint16_t tx_free_thresh = 0; /* Use default values. */ 211 212 /* 213 * Configurable value of TX RS bit threshold. 214 */ 215 uint16_t tx_rs_thresh = 0; /* Use default values. */ 216 217 /* 218 * Receive Side Scaling (RSS) configuration. 219 */ 220 uint16_t rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6; /* RSS IP by default. */ 221 222 /* 223 * Port topology configuration 224 */ 225 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */ 226 227 /* 228 * Ethernet device configuration. 229 */ 230 struct rte_eth_rxmode rx_mode = { 231 .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */ 232 .split_hdr_size = 0, 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. */ 240 }; 241 242 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, 247 .drop_queue = 127, 248 }; 249 250 static volatile int test_done = 1; /* stop packet forwarding when set to 1. */ 251 252 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]; 254 255 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; 257 258 uint16_t nb_tx_queue_stats_mappings = 0; 259 uint16_t nb_rx_queue_stats_mappings = 0; 260 261 /* Forward function declarations */ 262 static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port); 263 264 /* 265 * Setup default configuration. 266 */ 267 static void 268 set_default_fwd_lcores_config(void) 269 { 270 unsigned int i; 271 unsigned int nb_lc; 272 273 nb_lc = 0; 274 for (i = 0; i < RTE_MAX_LCORE; i++) { 275 if (! rte_lcore_is_enabled(i)) 276 continue; 277 if (i == rte_get_master_lcore()) 278 continue; 279 fwd_lcores_cpuids[nb_lc++] = i; 280 } 281 nb_lcores = (lcoreid_t) nb_lc; 282 nb_cfg_lcores = nb_lcores; 283 nb_fwd_lcores = 1; 284 } 285 286 static void 287 set_def_peer_eth_addrs(void) 288 { 289 portid_t i; 290 291 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; 294 } 295 } 296 297 static void 298 set_default_fwd_ports_config(void) 299 { 300 portid_t pt_id; 301 302 for (pt_id = 0; pt_id < nb_ports; pt_id++) 303 fwd_ports_ids[pt_id] = pt_id; 304 305 nb_cfg_ports = nb_ports; 306 nb_fwd_ports = nb_ports; 307 } 308 309 void 310 set_def_fwd_config(void) 311 { 312 set_default_fwd_lcores_config(); 313 set_def_peer_eth_addrs(); 314 set_default_fwd_ports_config(); 315 } 316 317 /* 318 * Configuration initialisation done once at init time. 319 */ 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. */ 323 }; 324 325 struct mbuf_pool_ctor_arg { 326 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 327 }; 328 329 static void 330 testpmd_mbuf_ctor(struct rte_mempool *mp, 331 void *opaque_arg, 332 void *raw_mbuf, 333 __attribute__((unused)) unsigned i) 334 { 335 struct mbuf_ctor_arg *mb_ctor_arg; 336 struct rte_mbuf *mb; 337 338 mb_ctor_arg = (struct mbuf_ctor_arg *) opaque_arg; 339 mb = (struct rte_mbuf *) raw_mbuf; 340 341 mb->pool = mp; 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; 347 mb->ol_flags = 0; 348 mb->pkt.data = (char *) mb->buf_addr + RTE_PKTMBUF_HEADROOM; 349 mb->pkt.nb_segs = 1; 350 mb->pkt.vlan_macip.data = 0; 351 mb->pkt.hash.rss = 0; 352 } 353 354 static void 355 testpmd_mbuf_pool_ctor(struct rte_mempool *mp, 356 void *opaque_arg) 357 { 358 struct mbuf_pool_ctor_arg *mbp_ctor_arg; 359 struct rte_pktmbuf_pool_private *mbp_priv; 360 361 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)); 365 return; 366 } 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; 371 } 372 373 static void 374 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf, 375 unsigned int socket_id) 376 { 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; 381 uint32_t mb_size; 382 383 mbp_ctor_arg.seg_buf_size = (uint16_t) (RTE_PKTMBUF_HEADROOM + 384 mbuf_seg_size); 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, 395 socket_id, 0); 396 if (rte_mp == NULL) { 397 rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u failed\n", 398 socket_id); 399 } 400 } 401 402 static void 403 init_config(void) 404 { 405 struct rte_port *port; 406 struct rte_mempool *mbp; 407 unsigned int nb_mbuf_per_pool; 408 streamid_t sm_id; 409 lcoreid_t lc_id; 410 portid_t pt_id; 411 412 /* Configuration of logical cores. */ 413 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", 414 sizeof(struct fwd_lcore *) * nb_lcores, 415 CACHE_LINE_SIZE); 416 if (fwd_lcores == NULL) { 417 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) failed\n", 418 nb_lcores); 419 } 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), 423 CACHE_LINE_SIZE); 424 if (fwd_lcores[lc_id] == NULL) { 425 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) failed\n"); 426 } 427 fwd_lcores[lc_id]->cpuid_idx = lc_id; 428 } 429 430 /* 431 * Create pools of mbuf. 432 * If NUMA support is disabled, create a single pool of mbuf in 433 * socket 0 memory. 434 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. 435 * 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. 438 */ 439 if (param_total_num_mbufs) 440 nb_mbuf_per_pool = param_total_num_mbufs; 441 else { 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); 445 } 446 if (numa_support) { 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); 450 } else { 451 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 452 } 453 454 /* 455 * Records which Mbuf pool to use by each logical core, if needed. 456 */ 457 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 458 mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id)); 459 if (mbp == NULL) 460 mbp = mbuf_pool_find(0); 461 fwd_lcores[lc_id]->mbp = mbp; 462 } 463 464 /* Configuration of Ethernet ports. */ 465 ports = rte_zmalloc("testpmd: ports", 466 sizeof(struct rte_port) * nb_ports, 467 CACHE_LINE_SIZE); 468 if (ports == NULL) { 469 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d struct rte_port) failed\n", 470 nb_ports); 471 } 472 port = ports; 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", 477 (int) pt_id, 478 (int) port->dev_info.max_rx_queues, 479 (int) nb_rxq); 480 } 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", 483 (int) pt_id, 484 (int) port->dev_info.max_tx_queues, 485 (int) nb_txq); 486 } 487 488 if (numa_support) 489 port->socket_id = (pt_id < (nb_ports >> 1)) ? 0 : 1; 490 else 491 port->socket_id = 0; 492 } 493 494 /* 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, 498 CACHE_LINE_SIZE); 499 if (fwd_streams == NULL) { 500 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) failed\n", 501 nb_fwd_streams); 502 } 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), 506 CACHE_LINE_SIZE); 507 if (fwd_streams[sm_id] == NULL) { 508 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream) failed\n"); 509 } 510 } 511 } 512 513 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 514 static void 515 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs) 516 { 517 unsigned int total_burst; 518 unsigned int nb_burst; 519 unsigned int burst_stats[3]; 520 uint16_t pktnb_stats[3]; 521 uint16_t nb_pkt; 522 int burst_percent[3]; 523 524 /* 525 * First compute the total number of packet bursts and the 526 * two highest numbers of bursts of the same number of packets. 527 */ 528 total_burst = 0; 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]; 533 if (nb_burst == 0) 534 continue; 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; 541 } 542 } 543 if (total_burst == 0) 544 return; 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) { 549 printf("]\n"); 550 return; 551 } 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]); 555 return; 556 } 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]); 561 return; 562 } 563 printf(" + %d%% of %d pkts + %d%% of others]\n", 564 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]); 565 } 566 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */ 567 568 static void 569 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) 570 { 571 struct rte_port *port; 572 573 static const char *fwd_stats_border = "----------------------"; 574 575 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: " 579 "%-"PRIu64"\n", 580 stats->ipackets, stats->ierrors, 581 (uint64_t) (stats->ipackets + stats->ierrors)); 582 583 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); 586 587 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 588 "%-"PRIu64"\n", 589 stats->opackets, port->tx_dropped, 590 (uint64_t) (stats->opackets + port->tx_dropped)); 591 592 if (stats->rx_nombuf > 0) 593 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); 594 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 595 if (port->rx_stream) 596 pkt_burst_stats_display("RX", &port->rx_stream->rx_burst_stats); 597 if (port->tx_stream) 598 pkt_burst_stats_display("TX", &port->tx_stream->tx_burst_stats); 599 #endif 600 /* stats fdir */ 601 if (fdir_conf.mode != RTE_FDIR_MODE_NONE) 602 printf(" Fdirmiss: %-14"PRIu64" Fdirmatch: %-14"PRIu64"\n", 603 stats->fdirmiss, 604 stats->fdirmatch); 605 606 printf(" %s--------------------------------%s\n", 607 fwd_stats_border, fwd_stats_border); 608 } 609 610 static void 611 fwd_stream_stats_display(streamid_t stream_id) 612 { 613 struct fwd_stream *fs; 614 static const char *fwd_top_stats_border = "-------"; 615 616 fs = fwd_streams[stream_id]; 617 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) && 618 (fs->fwd_dropped == 0)) 619 return; 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); 626 627 /* 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); 631 } 632 633 #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); 636 #endif 637 } 638 639 static void 640 flush_all_rx_queues(void) 641 { 642 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 643 portid_t rxp; 644 queueid_t rxq; 645 uint16_t nb_rx; 646 uint16_t i; 647 uint8_t j; 648 649 for (j = 0; j < 2; j++) { 650 for (rxp = 0; rxp < nb_ports; rxp++) { 651 for (rxq = 0; rxq < nb_rxq; rxq++) { 652 do { 653 nb_rx = rte_eth_rx_burst(rxp, rxq, 654 pkts_burst, 655 MAX_PKT_BURST); 656 for (i = 0; i < nb_rx; i++) 657 rte_pktmbuf_free(pkts_burst[i]); 658 } while (nb_rx > 0); 659 } 660 } 661 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */ 662 } 663 } 664 665 static void 666 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd) 667 { 668 struct fwd_stream **fsm; 669 streamid_t nb_fs; 670 streamid_t sm_id; 671 672 fsm = &fwd_streams[fc->stream_idx]; 673 nb_fs = fc->stream_nb; 674 do { 675 for (sm_id = 0; sm_id < nb_fs; sm_id++) 676 (*pkt_fwd)(fsm[sm_id]); 677 } while (! fc->stopped); 678 } 679 680 static int 681 start_pkt_forward_on_core(void *fwd_arg) 682 { 683 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg, 684 cur_fwd_config.fwd_eng->packet_fwd); 685 return 0; 686 } 687 688 /* 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. 691 */ 692 static int 693 run_one_txonly_burst_on_core(void *fwd_arg) 694 { 695 struct fwd_lcore *fwd_lc; 696 struct fwd_lcore tmp_lcore; 697 698 fwd_lc = (struct fwd_lcore *) fwd_arg; 699 tmp_lcore = *fwd_lc; 700 tmp_lcore.stopped = 1; 701 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd); 702 return 0; 703 } 704 705 /* 706 * Launch packet forwarding: 707 * - Setup per-port forwarding context. 708 * - launch logical cores with their forwarding configuration. 709 */ 710 static void 711 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore) 712 { 713 port_fwd_begin_t port_fwd_begin; 714 unsigned int i; 715 unsigned int lc_id; 716 int diag; 717 718 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]); 722 } 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); 729 if (diag != 0) 730 printf("launch lcore %u failed - diag=%d\n", 731 lc_id, diag); 732 } 733 } 734 } 735 736 /* 737 * Launch packet forwarding configuration. 738 */ 739 void 740 start_packet_forwarding(int with_tx_first) 741 { 742 port_fwd_begin_t port_fwd_begin; 743 port_fwd_end_t port_fwd_end; 744 struct rte_port *port; 745 unsigned int i; 746 portid_t pt_id; 747 streamid_t sm_id; 748 749 if (test_done == 0) { 750 printf("Packet forwarding already started\n"); 751 return; 752 } 753 test_done = 0; 754 flush_all_rx_queues(); 755 fwd_config_setup(); 756 rxtx_config_display(); 757 758 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; 763 } 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; 770 771 #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)); 776 #endif 777 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 778 fwd_streams[sm_id]->core_cycles = 0; 779 #endif 780 } 781 if (with_tx_first) { 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]); 786 } 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]); 793 } 794 } 795 launch_packet_forwarding(start_pkt_forward_on_core); 796 } 797 798 void 799 stop_packet_forwarding(void) 800 { 801 struct rte_eth_stats stats; 802 struct rte_port *port; 803 port_fwd_end_t port_fwd_end; 804 int i; 805 portid_t pt_id; 806 streamid_t sm_id; 807 lcoreid_t lc_id; 808 uint64_t total_recv; 809 uint64_t total_xmit; 810 uint64_t total_rx_dropped; 811 uint64_t total_tx_dropped; 812 uint64_t total_rx_nombuf; 813 uint64_t tx_dropped; 814 uint64_t rx_bad_ip_csum; 815 uint64_t rx_bad_l4_csum; 816 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 817 uint64_t fwd_cycles; 818 #endif 819 static const char *acc_stats_border = "+++++++++++++++"; 820 821 if (test_done) { 822 printf("Packet forwarding not started\n"); 823 return; 824 } 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); 835 } 836 } 837 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 838 fwd_cycles = 0; 839 #endif 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; 846 } else { 847 ports[fwd_streams[sm_id]->tx_port].tx_stream = 848 fwd_streams[sm_id]; 849 ports[fwd_streams[sm_id]->rx_port].rx_stream = 850 fwd_streams[sm_id]; 851 } 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; 856 857 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; 861 862 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; 866 867 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 868 fwd_cycles = (uint64_t) (fwd_cycles + 869 fwd_streams[sm_id]->core_cycles); 870 #endif 871 } 872 total_recv = 0; 873 total_xmit = 0; 874 total_rx_dropped = 0; 875 total_tx_dropped = 0; 876 total_rx_nombuf = 0; 877 for (i = 0; i < ((cur_fwd_config.nb_fwd_ports + 1) & ~0x1); i++) { 878 pt_id = fwd_ports_ids[i]; 879 880 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; 900 901 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; 906 907 fwd_port_stats_display(pt_id, &stats); 908 } 909 printf("\n %s Accumulated forward statistics for all ports" 910 "%s\n", 911 acc_stats_border, acc_stats_border); 912 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 913 "%-"PRIu64"\n" 914 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 915 "%-"PRIu64"\n", 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++++++++++++++++++++++++++++++++++++++++++++++" 921 "%s\n", 922 acc_stats_border, acc_stats_border); 923 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 924 if (total_recv > 0) 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); 929 #endif 930 printf("\nDone.\n"); 931 test_done = 1; 932 } 933 934 void 935 pmd_test_exit(void) 936 { 937 portid_t pt_id; 938 939 for (pt_id = 0; pt_id < nb_ports; pt_id++) { 940 printf("Stopping port %d...", pt_id); 941 fflush(stdout); 942 rte_eth_dev_close(pt_id); 943 printf("done\n"); 944 } 945 printf("bye...\n"); 946 } 947 948 typedef void (*cmd_func_t)(void); 949 struct pmd_test_command { 950 const char *cmd_name; 951 cmd_func_t cmd_func; 952 }; 953 954 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0])) 955 956 static void 957 fatal_init_error(const char *func_name, uint8_t port_id, int diag) 958 { 959 rte_panic("%s(port_id=%d) failed - diag=%d\n", 960 func_name, port_id, diag); 961 } 962 963 static void 964 init_ports(void) 965 { 966 struct rte_eth_link link; 967 struct rte_eth_conf port_conf = { 968 .intr_conf = { 969 .lsc = 0, 970 }, 971 }; 972 struct rte_eth_rxconf rx_conf; 973 struct rte_eth_txconf tx_conf; 974 struct rte_port *port; 975 unsigned int sock_id; 976 portid_t pi; 977 queueid_t qi; 978 int diag; 979 980 port_conf.rxmode = rx_mode; 981 port_conf.fdir_conf = fdir_conf; 982 983 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; 987 } else 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; 994 995 for (pi = 0; pi < nb_ports; pi++) { 996 port = &ports[pi]; 997 memcpy(&port->dev_conf, &port_conf, sizeof(port_conf)); 998 sock_id = port->socket_id; 999 printf("Initializing port %d... ", pi); 1000 fflush(stdout); 1001 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, &port_conf); 1002 if (diag != 0) { 1003 fatal_init_error("rte_eth_dev_configure", pi, diag); 1004 /* NOT REACHED */ 1005 } 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, 1009 sock_id, 1010 &tx_conf); 1011 if (diag != 0) { 1012 fatal_init_error("rte_eth_tx_queue_setup", 1013 pi, diag); 1014 /* NOT REACHED */ 1015 } 1016 } 1017 for (qi = 0; qi < nb_rxq; qi++) { 1018 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, sock_id, 1019 &rx_conf, 1020 mbuf_pool_find(sock_id)); 1021 if (diag != 0) { 1022 fatal_init_error("rte_eth_rx_queue_setup", 1023 pi , diag); 1024 /* NOT REACHED */ 1025 } 1026 } 1027 1028 /* Start device */ 1029 diag = rte_eth_dev_start(pi); 1030 if (diag != 0) { 1031 fatal_init_error("rte_eth_dev_start", pi, diag); 1032 /* NOT REACHED */ 1033 } 1034 printf("done: "); 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")); 1041 } else { 1042 printf(" Link Down\n"); 1043 } 1044 1045 /* 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 1049 * target machine. 1050 */ 1051 if (promiscuous_on) 1052 rte_eth_promiscuous_enable(pi); 1053 } 1054 } 1055 1056 #ifdef RTE_EXEC_ENV_BAREMETAL 1057 #define main _main 1058 #endif 1059 1060 int 1061 main(int argc, char** argv) 1062 { 1063 int diag; 1064 1065 diag = rte_eal_init(argc, argv); 1066 if (diag < 0) 1067 rte_panic("Cannot init EAL\n"); 1068 1069 if (rte_pmd_init_all()) 1070 rte_panic("Cannot init PMD\n"); 1071 1072 if (rte_eal_pci_probe()) 1073 rte_panic("Cannot probe PCI\n"); 1074 1075 nb_ports = (portid_t) rte_eth_dev_count(); 1076 if (nb_ports == 0) 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"); 1082 1083 set_def_fwd_config(); 1084 if (nb_lcores == 0) 1085 rte_panic("Empty set of forwarding logical cores - check the " 1086 "core mask supplied in the command parameters\n"); 1087 1088 argc -= diag; 1089 argv += diag; 1090 if (argc > 1) 1091 launch_args_parse(argc, argv); 1092 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", 1096 nb_rxq, nb_txq); 1097 1098 init_config(); 1099 1100 init_ports(); 1101 1102 if (interactive == 1) 1103 prompt(); 1104 else { 1105 char c; 1106 int rc; 1107 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); 1112 if (rc < 0) 1113 return 1; 1114 } 1115 1116 return 0; 1117 } 1118