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 .hw_vlan_strip = 1, /**< VLAN strip enabled. */ 235 .hw_vlan_extend = 0, /**< Extended VLAN disabled. */ 236 .jumbo_frame = 0, /**< Jumbo Frame Support disabled. */ 237 .hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */ 238 }; 239 240 struct rte_fdir_conf fdir_conf = { 241 .mode = RTE_FDIR_MODE_NONE, 242 .pballoc = RTE_FDIR_PBALLOC_64K, 243 .status = RTE_FDIR_REPORT_STATUS, 244 .flexbytes_offset = 0x6, 245 .drop_queue = 127, 246 }; 247 248 static volatile int test_done = 1; /* stop packet forwarding when set to 1. */ 249 250 struct queue_stats_mappings tx_queue_stats_mappings_array[MAX_TX_QUEUE_STATS_MAPPINGS]; 251 struct queue_stats_mappings rx_queue_stats_mappings_array[MAX_RX_QUEUE_STATS_MAPPINGS]; 252 253 struct queue_stats_mappings *tx_queue_stats_mappings = tx_queue_stats_mappings_array; 254 struct queue_stats_mappings *rx_queue_stats_mappings = rx_queue_stats_mappings_array; 255 256 uint16_t nb_tx_queue_stats_mappings = 0; 257 uint16_t nb_rx_queue_stats_mappings = 0; 258 259 /* Forward function declarations */ 260 static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port); 261 262 /* 263 * Setup default configuration. 264 */ 265 static void 266 set_default_fwd_lcores_config(void) 267 { 268 unsigned int i; 269 unsigned int nb_lc; 270 271 nb_lc = 0; 272 for (i = 0; i < RTE_MAX_LCORE; i++) { 273 if (! rte_lcore_is_enabled(i)) 274 continue; 275 if (i == rte_get_master_lcore()) 276 continue; 277 fwd_lcores_cpuids[nb_lc++] = i; 278 } 279 nb_lcores = (lcoreid_t) nb_lc; 280 nb_cfg_lcores = nb_lcores; 281 nb_fwd_lcores = 1; 282 } 283 284 static void 285 set_def_peer_eth_addrs(void) 286 { 287 portid_t i; 288 289 for (i = 0; i < RTE_MAX_ETHPORTS; i++) { 290 peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR; 291 peer_eth_addrs[i].addr_bytes[5] = i; 292 } 293 } 294 295 static void 296 set_default_fwd_ports_config(void) 297 { 298 portid_t pt_id; 299 300 for (pt_id = 0; pt_id < nb_ports; pt_id++) 301 fwd_ports_ids[pt_id] = pt_id; 302 303 nb_cfg_ports = nb_ports; 304 nb_fwd_ports = nb_ports; 305 } 306 307 void 308 set_def_fwd_config(void) 309 { 310 set_default_fwd_lcores_config(); 311 set_def_peer_eth_addrs(); 312 set_default_fwd_ports_config(); 313 } 314 315 /* 316 * Configuration initialisation done once at init time. 317 */ 318 struct mbuf_ctor_arg { 319 uint16_t seg_buf_offset; /**< offset of data in data segment of mbuf. */ 320 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 321 }; 322 323 struct mbuf_pool_ctor_arg { 324 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 325 }; 326 327 static void 328 testpmd_mbuf_ctor(struct rte_mempool *mp, 329 void *opaque_arg, 330 void *raw_mbuf, 331 __attribute__((unused)) unsigned i) 332 { 333 struct mbuf_ctor_arg *mb_ctor_arg; 334 struct rte_mbuf *mb; 335 336 mb_ctor_arg = (struct mbuf_ctor_arg *) opaque_arg; 337 mb = (struct rte_mbuf *) raw_mbuf; 338 339 mb->pool = mp; 340 mb->buf_addr = (void *) ((char *)mb + mb_ctor_arg->seg_buf_offset); 341 mb->buf_physaddr = (uint64_t) (rte_mempool_virt2phy(mp, mb) + 342 mb_ctor_arg->seg_buf_offset); 343 mb->buf_len = mb_ctor_arg->seg_buf_size; 344 mb->type = RTE_MBUF_PKT; 345 mb->ol_flags = 0; 346 mb->pkt.data = (char *) mb->buf_addr + RTE_PKTMBUF_HEADROOM; 347 mb->pkt.nb_segs = 1; 348 mb->pkt.vlan_macip.data = 0; 349 mb->pkt.hash.rss = 0; 350 } 351 352 static void 353 testpmd_mbuf_pool_ctor(struct rte_mempool *mp, 354 void *opaque_arg) 355 { 356 struct mbuf_pool_ctor_arg *mbp_ctor_arg; 357 struct rte_pktmbuf_pool_private *mbp_priv; 358 359 if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) { 360 printf("%s(%s) private_data_size %d < %d\n", 361 __func__, mp->name, (int) mp->private_data_size, 362 (int) sizeof(struct rte_pktmbuf_pool_private)); 363 return; 364 } 365 mbp_ctor_arg = (struct mbuf_pool_ctor_arg *) opaque_arg; 366 mbp_priv = (struct rte_pktmbuf_pool_private *) 367 ((char *)mp + sizeof(struct rte_mempool)); 368 mbp_priv->mbuf_data_room_size = mbp_ctor_arg->seg_buf_size; 369 } 370 371 static void 372 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf, 373 unsigned int socket_id) 374 { 375 char pool_name[RTE_MEMPOOL_NAMESIZE]; 376 struct rte_mempool *rte_mp; 377 struct mbuf_pool_ctor_arg mbp_ctor_arg; 378 struct mbuf_ctor_arg mb_ctor_arg; 379 uint32_t mb_size; 380 381 mbp_ctor_arg.seg_buf_size = (uint16_t) (RTE_PKTMBUF_HEADROOM + 382 mbuf_seg_size); 383 mb_ctor_arg.seg_buf_offset = 384 (uint16_t) CACHE_LINE_ROUNDUP(sizeof(struct rte_mbuf)); 385 mb_ctor_arg.seg_buf_size = mbp_ctor_arg.seg_buf_size; 386 mb_size = mb_ctor_arg.seg_buf_offset + mb_ctor_arg.seg_buf_size; 387 mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name)); 388 rte_mp = rte_mempool_create(pool_name, nb_mbuf, (unsigned) mb_size, 389 (unsigned) mb_mempool_cache, 390 sizeof(struct rte_pktmbuf_pool_private), 391 testpmd_mbuf_pool_ctor, &mbp_ctor_arg, 392 testpmd_mbuf_ctor, &mb_ctor_arg, 393 socket_id, 0); 394 if (rte_mp == NULL) { 395 rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u failed\n", 396 socket_id); 397 } 398 } 399 400 static void 401 init_config(void) 402 { 403 struct rte_port *port; 404 struct rte_mempool *mbp; 405 unsigned int nb_mbuf_per_pool; 406 streamid_t sm_id; 407 lcoreid_t lc_id; 408 portid_t pt_id; 409 410 /* Configuration of logical cores. */ 411 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", 412 sizeof(struct fwd_lcore *) * nb_lcores, 413 CACHE_LINE_SIZE); 414 if (fwd_lcores == NULL) { 415 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) failed\n", 416 nb_lcores); 417 } 418 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 419 fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore", 420 sizeof(struct fwd_lcore), 421 CACHE_LINE_SIZE); 422 if (fwd_lcores[lc_id] == NULL) { 423 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) failed\n"); 424 } 425 fwd_lcores[lc_id]->cpuid_idx = lc_id; 426 } 427 428 /* 429 * Create pools of mbuf. 430 * If NUMA support is disabled, create a single pool of mbuf in 431 * socket 0 memory. 432 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. 433 */ 434 nb_mbuf_per_pool = nb_rxd + (nb_lcores * mb_mempool_cache) + 435 nb_txd + MAX_PKT_BURST; 436 if (numa_support) { 437 nb_mbuf_per_pool = nb_mbuf_per_pool * (nb_ports >> 1); 438 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 439 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1); 440 } else { 441 nb_mbuf_per_pool = (nb_mbuf_per_pool * nb_ports); 442 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 443 } 444 445 /* 446 * Records which Mbuf pool to use by each logical core, if needed. 447 */ 448 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 449 mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id)); 450 if (mbp == NULL) 451 mbp = mbuf_pool_find(0); 452 fwd_lcores[lc_id]->mbp = mbp; 453 } 454 455 /* Configuration of Ethernet ports. */ 456 ports = rte_zmalloc("testpmd: ports", 457 sizeof(struct rte_port) * nb_ports, 458 CACHE_LINE_SIZE); 459 if (ports == NULL) { 460 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d struct rte_port) failed\n", 461 nb_ports); 462 } 463 port = ports; 464 for (pt_id = 0; pt_id < nb_ports; pt_id++, port++) { 465 rte_eth_dev_info_get(pt_id, &port->dev_info); 466 if (nb_rxq > port->dev_info.max_rx_queues) { 467 rte_exit(EXIT_FAILURE, "Port %d: max RX queues %d < nb_rxq %d\n", 468 (int) pt_id, 469 (int) port->dev_info.max_rx_queues, 470 (int) nb_rxq); 471 } 472 if (nb_txq > port->dev_info.max_tx_queues) { 473 rte_exit(EXIT_FAILURE, "Port %d: max TX queues %d < nb_txq %d\n", 474 (int) pt_id, 475 (int) port->dev_info.max_tx_queues, 476 (int) nb_txq); 477 } 478 479 if (numa_support) 480 port->socket_id = (pt_id < (nb_ports >> 1)) ? 0 : 1; 481 else 482 port->socket_id = 0; 483 } 484 485 /* Configuration of packet forwarding streams. */ 486 nb_fwd_streams = (streamid_t) (nb_ports * nb_rxq); 487 fwd_streams = rte_zmalloc("testpmd: fwd_streams", 488 sizeof(struct fwd_stream *) * nb_fwd_streams, 489 CACHE_LINE_SIZE); 490 if (fwd_streams == NULL) { 491 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) failed\n", 492 nb_fwd_streams); 493 } 494 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 495 fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream", 496 sizeof(struct fwd_stream), 497 CACHE_LINE_SIZE); 498 if (fwd_streams[sm_id] == NULL) { 499 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream) failed\n"); 500 } 501 } 502 } 503 504 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 505 static void 506 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs) 507 { 508 unsigned int total_burst; 509 unsigned int nb_burst; 510 unsigned int burst_stats[3]; 511 uint16_t pktnb_stats[3]; 512 uint16_t nb_pkt; 513 int burst_percent[3]; 514 515 /* 516 * First compute the total number of packet bursts and the 517 * two highest numbers of bursts of the same number of packets. 518 */ 519 total_burst = 0; 520 burst_stats[0] = burst_stats[1] = burst_stats[2] = 0; 521 pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0; 522 for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) { 523 nb_burst = pbs->pkt_burst_spread[nb_pkt]; 524 if (nb_burst == 0) 525 continue; 526 total_burst += nb_burst; 527 if (nb_burst > burst_stats[0]) { 528 burst_stats[1] = burst_stats[0]; 529 pktnb_stats[1] = pktnb_stats[0]; 530 burst_stats[0] = nb_burst; 531 pktnb_stats[0] = nb_pkt; 532 } 533 } 534 if (total_burst == 0) 535 return; 536 burst_percent[0] = (burst_stats[0] * 100) / total_burst; 537 printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst, 538 burst_percent[0], (int) pktnb_stats[0]); 539 if (burst_stats[0] == total_burst) { 540 printf("]\n"); 541 return; 542 } 543 if (burst_stats[0] + burst_stats[1] == total_burst) { 544 printf(" + %d%% of %d pkts]\n", 545 100 - burst_percent[0], pktnb_stats[1]); 546 return; 547 } 548 burst_percent[1] = (burst_stats[1] * 100) / total_burst; 549 burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]); 550 if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) { 551 printf(" + %d%% of others]\n", 100 - burst_percent[0]); 552 return; 553 } 554 printf(" + %d%% of %d pkts + %d%% of others]\n", 555 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]); 556 } 557 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */ 558 559 static void 560 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) 561 { 562 struct rte_port *port; 563 564 static const char *fwd_stats_border = "----------------------"; 565 566 port = &ports[port_id]; 567 printf("\n %s Forward statistics for port %-2d %s\n", 568 fwd_stats_border, port_id, fwd_stats_border); 569 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 570 "%-"PRIu64"\n", 571 stats->ipackets, stats->ierrors, 572 (uint64_t) (stats->ipackets + stats->ierrors)); 573 574 if (cur_fwd_eng == &csum_fwd_engine) 575 printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n", 576 port->rx_bad_ip_csum, port->rx_bad_l4_csum); 577 578 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 579 "%-"PRIu64"\n", 580 stats->opackets, port->tx_dropped, 581 (uint64_t) (stats->opackets + port->tx_dropped)); 582 583 if (stats->rx_nombuf > 0) 584 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); 585 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 586 if (port->rx_stream) 587 pkt_burst_stats_display("RX", &port->rx_stream->rx_burst_stats); 588 if (port->tx_stream) 589 pkt_burst_stats_display("TX", &port->tx_stream->tx_burst_stats); 590 #endif 591 /* stats fdir */ 592 if (fdir_conf.mode != RTE_FDIR_MODE_NONE) 593 printf(" Fdirmiss: %-14"PRIu64" Fdirmatch: %-14"PRIu64"\n", 594 stats->fdirmiss, 595 stats->fdirmatch); 596 597 printf(" %s--------------------------------%s\n", 598 fwd_stats_border, fwd_stats_border); 599 } 600 601 static void 602 fwd_stream_stats_display(streamid_t stream_id) 603 { 604 struct fwd_stream *fs; 605 static const char *fwd_top_stats_border = "-------"; 606 607 fs = fwd_streams[stream_id]; 608 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) && 609 (fs->fwd_dropped == 0)) 610 return; 611 printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> " 612 "TX Port=%2d/Queue=%2d %s\n", 613 fwd_top_stats_border, fs->rx_port, fs->rx_queue, 614 fs->tx_port, fs->tx_queue, fwd_top_stats_border); 615 printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u", 616 fs->rx_packets, fs->tx_packets, fs->fwd_dropped); 617 618 /* if checksum mode */ 619 if (cur_fwd_eng == &csum_fwd_engine) { 620 printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: %-14u\n", 621 fs->rx_bad_ip_csum, fs->rx_bad_l4_csum); 622 } 623 624 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 625 pkt_burst_stats_display("RX", &fs->rx_burst_stats); 626 pkt_burst_stats_display("TX", &fs->tx_burst_stats); 627 #endif 628 } 629 630 static void 631 flush_all_rx_queues(void) 632 { 633 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 634 portid_t rxp; 635 queueid_t rxq; 636 uint16_t nb_rx; 637 uint16_t i; 638 uint8_t j; 639 640 for (j = 0; j < 2; j++) { 641 for (rxp = 0; rxp < nb_ports; rxp++) { 642 for (rxq = 0; rxq < nb_rxq; rxq++) { 643 do { 644 nb_rx = rte_eth_rx_burst(rxp, rxq, 645 pkts_burst, 646 MAX_PKT_BURST); 647 for (i = 0; i < nb_rx; i++) 648 rte_pktmbuf_free(pkts_burst[i]); 649 } while (nb_rx > 0); 650 } 651 } 652 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */ 653 } 654 } 655 656 static void 657 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd) 658 { 659 struct fwd_stream **fsm; 660 streamid_t nb_fs; 661 streamid_t sm_id; 662 663 fsm = &fwd_streams[fc->stream_idx]; 664 nb_fs = fc->stream_nb; 665 do { 666 for (sm_id = 0; sm_id < nb_fs; sm_id++) 667 (*pkt_fwd)(fsm[sm_id]); 668 } while (! fc->stopped); 669 } 670 671 static int 672 start_pkt_forward_on_core(void *fwd_arg) 673 { 674 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg, 675 cur_fwd_config.fwd_eng->packet_fwd); 676 return 0; 677 } 678 679 /* 680 * Run the TXONLY packet forwarding engine to send a single burst of packets. 681 * Used to start communication flows in network loopback test configurations. 682 */ 683 static int 684 run_one_txonly_burst_on_core(void *fwd_arg) 685 { 686 struct fwd_lcore *fwd_lc; 687 struct fwd_lcore tmp_lcore; 688 689 fwd_lc = (struct fwd_lcore *) fwd_arg; 690 tmp_lcore = *fwd_lc; 691 tmp_lcore.stopped = 1; 692 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd); 693 return 0; 694 } 695 696 /* 697 * Launch packet forwarding: 698 * - Setup per-port forwarding context. 699 * - launch logical cores with their forwarding configuration. 700 */ 701 static void 702 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore) 703 { 704 port_fwd_begin_t port_fwd_begin; 705 unsigned int i; 706 unsigned int lc_id; 707 int diag; 708 709 port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin; 710 if (port_fwd_begin != NULL) { 711 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 712 (*port_fwd_begin)(fwd_ports_ids[i]); 713 } 714 for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) { 715 lc_id = fwd_lcores_cpuids[i]; 716 if ((interactive == 0) || (lc_id != rte_lcore_id())) { 717 fwd_lcores[i]->stopped = 0; 718 diag = rte_eal_remote_launch(pkt_fwd_on_lcore, 719 fwd_lcores[i], lc_id); 720 if (diag != 0) 721 printf("launch lcore %u failed - diag=%d\n", 722 lc_id, diag); 723 } 724 } 725 } 726 727 /* 728 * Launch packet forwarding configuration. 729 */ 730 void 731 start_packet_forwarding(int with_tx_first) 732 { 733 port_fwd_begin_t port_fwd_begin; 734 port_fwd_end_t port_fwd_end; 735 struct rte_port *port; 736 unsigned int i; 737 portid_t pt_id; 738 streamid_t sm_id; 739 740 if (test_done == 0) { 741 printf("Packet forwarding already started\n"); 742 return; 743 } 744 test_done = 0; 745 flush_all_rx_queues(); 746 fwd_config_setup(); 747 rxtx_config_display(); 748 749 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 750 pt_id = fwd_ports_ids[i]; 751 port = &ports[pt_id]; 752 rte_eth_stats_get(pt_id, &port->stats); 753 port->tx_dropped = 0; 754 } 755 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 756 fwd_streams[sm_id]->rx_packets = 0; 757 fwd_streams[sm_id]->tx_packets = 0; 758 fwd_streams[sm_id]->fwd_dropped = 0; 759 fwd_streams[sm_id]->rx_bad_ip_csum = 0; 760 fwd_streams[sm_id]->rx_bad_l4_csum = 0; 761 762 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 763 memset(&fwd_streams[sm_id]->rx_burst_stats, 0, 764 sizeof(fwd_streams[sm_id]->rx_burst_stats)); 765 memset(&fwd_streams[sm_id]->tx_burst_stats, 0, 766 sizeof(fwd_streams[sm_id]->tx_burst_stats)); 767 #endif 768 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 769 fwd_streams[sm_id]->core_cycles = 0; 770 #endif 771 } 772 if (with_tx_first) { 773 port_fwd_begin = tx_only_engine.port_fwd_begin; 774 if (port_fwd_begin != NULL) { 775 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 776 (*port_fwd_begin)(fwd_ports_ids[i]); 777 } 778 launch_packet_forwarding(run_one_txonly_burst_on_core); 779 rte_eal_mp_wait_lcore(); 780 port_fwd_end = tx_only_engine.port_fwd_end; 781 if (port_fwd_end != NULL) { 782 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 783 (*port_fwd_end)(fwd_ports_ids[i]); 784 } 785 } 786 launch_packet_forwarding(start_pkt_forward_on_core); 787 } 788 789 void 790 stop_packet_forwarding(void) 791 { 792 struct rte_eth_stats stats; 793 struct rte_port *port; 794 port_fwd_end_t port_fwd_end; 795 int i; 796 portid_t pt_id; 797 streamid_t sm_id; 798 lcoreid_t lc_id; 799 uint64_t total_recv; 800 uint64_t total_xmit; 801 uint64_t total_rx_dropped; 802 uint64_t total_tx_dropped; 803 uint64_t total_rx_nombuf; 804 uint64_t tx_dropped; 805 uint64_t rx_bad_ip_csum; 806 uint64_t rx_bad_l4_csum; 807 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 808 uint64_t fwd_cycles; 809 #endif 810 static const char *acc_stats_border = "+++++++++++++++"; 811 812 if (test_done) { 813 printf("Packet forwarding not started\n"); 814 return; 815 } 816 printf("Telling cores to stop..."); 817 for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++) 818 fwd_lcores[lc_id]->stopped = 1; 819 printf("\nWaiting for lcores to finish...\n"); 820 rte_eal_mp_wait_lcore(); 821 port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end; 822 if (port_fwd_end != NULL) { 823 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 824 pt_id = fwd_ports_ids[i]; 825 (*port_fwd_end)(pt_id); 826 } 827 } 828 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 829 fwd_cycles = 0; 830 #endif 831 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 832 if (cur_fwd_config.nb_fwd_streams > 833 cur_fwd_config.nb_fwd_ports) { 834 fwd_stream_stats_display(sm_id); 835 ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL; 836 ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL; 837 } else { 838 ports[fwd_streams[sm_id]->tx_port].tx_stream = 839 fwd_streams[sm_id]; 840 ports[fwd_streams[sm_id]->rx_port].rx_stream = 841 fwd_streams[sm_id]; 842 } 843 tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped; 844 tx_dropped = (uint64_t) (tx_dropped + 845 fwd_streams[sm_id]->fwd_dropped); 846 ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped; 847 848 rx_bad_ip_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum; 849 rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum + 850 fwd_streams[sm_id]->rx_bad_ip_csum); 851 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = rx_bad_ip_csum; 852 853 rx_bad_l4_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum; 854 rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum + 855 fwd_streams[sm_id]->rx_bad_l4_csum); 856 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = rx_bad_l4_csum; 857 858 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 859 fwd_cycles = (uint64_t) (fwd_cycles + 860 fwd_streams[sm_id]->core_cycles); 861 #endif 862 } 863 total_recv = 0; 864 total_xmit = 0; 865 total_rx_dropped = 0; 866 total_tx_dropped = 0; 867 total_rx_nombuf = 0; 868 for (i = 0; i < ((cur_fwd_config.nb_fwd_ports + 1) & ~0x1); i++) { 869 pt_id = fwd_ports_ids[i]; 870 871 port = &ports[pt_id]; 872 rte_eth_stats_get(pt_id, &stats); 873 stats.ipackets -= port->stats.ipackets; 874 port->stats.ipackets = 0; 875 stats.opackets -= port->stats.opackets; 876 port->stats.opackets = 0; 877 stats.ibytes -= port->stats.ibytes; 878 port->stats.ibytes = 0; 879 stats.obytes -= port->stats.obytes; 880 port->stats.obytes = 0; 881 stats.ierrors -= port->stats.ierrors; 882 port->stats.ierrors = 0; 883 stats.oerrors -= port->stats.oerrors; 884 port->stats.oerrors = 0; 885 stats.rx_nombuf -= port->stats.rx_nombuf; 886 port->stats.rx_nombuf = 0; 887 stats.fdirmatch -= port->stats.fdirmatch; 888 port->stats.rx_nombuf = 0; 889 stats.fdirmiss -= port->stats.fdirmiss; 890 port->stats.rx_nombuf = 0; 891 892 total_recv += stats.ipackets; 893 total_xmit += stats.opackets; 894 total_rx_dropped += stats.ierrors; 895 total_tx_dropped += port->tx_dropped; 896 total_rx_nombuf += stats.rx_nombuf; 897 898 fwd_port_stats_display(pt_id, &stats); 899 } 900 printf("\n %s Accumulated forward statistics for all ports" 901 "%s\n", 902 acc_stats_border, acc_stats_border); 903 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 904 "%-"PRIu64"\n" 905 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 906 "%-"PRIu64"\n", 907 total_recv, total_rx_dropped, total_recv + total_rx_dropped, 908 total_xmit, total_tx_dropped, total_xmit + total_tx_dropped); 909 if (total_rx_nombuf > 0) 910 printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf); 911 printf(" %s++++++++++++++++++++++++++++++++++++++++++++++" 912 "%s\n", 913 acc_stats_border, acc_stats_border); 914 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 915 if (total_recv > 0) 916 printf("\n CPU cycles/packet=%u (total cycles=" 917 "%"PRIu64" / total RX packets=%"PRIu64")\n", 918 (unsigned int)(fwd_cycles / total_recv), 919 fwd_cycles, total_recv); 920 #endif 921 printf("\nDone.\n"); 922 test_done = 1; 923 } 924 925 void 926 pmd_test_exit(void) 927 { 928 portid_t pt_id; 929 930 for (pt_id = 0; pt_id < nb_ports; pt_id++) { 931 printf("Stopping port %d...", pt_id); 932 fflush(stdout); 933 rte_eth_dev_close(pt_id); 934 printf("done\n"); 935 } 936 printf("bye...\n"); 937 } 938 939 typedef void (*cmd_func_t)(void); 940 struct pmd_test_command { 941 const char *cmd_name; 942 cmd_func_t cmd_func; 943 }; 944 945 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0])) 946 947 static void 948 fatal_init_error(const char *func_name, uint8_t port_id, int diag) 949 { 950 rte_panic("%s(port_id=%d) failed - diag=%d\n", 951 func_name, port_id, diag); 952 } 953 954 static void 955 init_ports(void) 956 { 957 struct rte_eth_link link; 958 struct rte_eth_conf port_conf = { 959 .intr_conf = { 960 .lsc = 0, 961 }, 962 }; 963 struct rte_eth_rxconf rx_conf; 964 struct rte_eth_txconf tx_conf; 965 struct rte_port *port; 966 unsigned int sock_id; 967 portid_t pi; 968 queueid_t qi; 969 int diag; 970 971 port_conf.rxmode = rx_mode; 972 port_conf.fdir_conf = fdir_conf; 973 974 if (nb_rxq > 0) { /* configure RSS */ 975 port_conf.rx_adv_conf.rss_conf.rss_key = NULL; 976 /* use default hash key */ 977 port_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf; 978 } else 979 port_conf.rx_adv_conf.rss_conf.rss_hf = 0; 980 rx_conf.rx_thresh = rx_thresh; 981 rx_conf.rx_free_thresh = rx_free_thresh; 982 tx_conf.tx_thresh = tx_thresh; 983 tx_conf.tx_rs_thresh = tx_rs_thresh; 984 tx_conf.tx_free_thresh = tx_free_thresh; 985 986 for (pi = 0; pi < nb_ports; pi++) { 987 port = &ports[pi]; 988 memcpy(&port->dev_conf, &port_conf, sizeof(port_conf)); 989 sock_id = port->socket_id; 990 printf("Initializing port %d... ", pi); 991 fflush(stdout); 992 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, &port_conf); 993 if (diag != 0) { 994 fatal_init_error("rte_eth_dev_configure", pi, diag); 995 /* NOT REACHED */ 996 } 997 rte_eth_macaddr_get(pi, &port->eth_addr); 998 for (qi = 0; qi < nb_txq; qi++) { 999 diag = rte_eth_tx_queue_setup(pi, qi, nb_txd, 1000 sock_id, 1001 &tx_conf); 1002 if (diag != 0) { 1003 fatal_init_error("rte_eth_tx_queue_setup", 1004 pi, diag); 1005 /* NOT REACHED */ 1006 } 1007 } 1008 for (qi = 0; qi < nb_rxq; qi++) { 1009 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, sock_id, 1010 &rx_conf, 1011 mbuf_pool_find(sock_id)); 1012 if (diag != 0) { 1013 fatal_init_error("rte_eth_rx_queue_setup", 1014 pi , diag); 1015 /* NOT REACHED */ 1016 } 1017 } 1018 1019 /* Start device */ 1020 diag = rte_eth_dev_start(pi); 1021 if (diag != 0) { 1022 fatal_init_error("rte_eth_dev_start", pi, diag); 1023 /* NOT REACHED */ 1024 } 1025 printf("done: "); 1026 rte_eth_link_get(pi, &link); 1027 if (link.link_status) { 1028 printf(" Link Up - speed %u Mbps - %s\n", 1029 (unsigned) link.link_speed, 1030 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1031 ("full-duplex") : ("half-duplex\n")); 1032 } else { 1033 printf(" Link Down\n"); 1034 } 1035 1036 /* 1037 * If enabled, put device in promiscuous mode. 1038 * This allows the PMD test in IO forwarding mode to forward 1039 * packets to itself through 2 cross-connected ports of the 1040 * target machine. 1041 */ 1042 if (promiscuous_on) 1043 rte_eth_promiscuous_enable(pi); 1044 } 1045 } 1046 1047 #ifdef RTE_EXEC_ENV_BAREMETAL 1048 #define main _main 1049 #endif 1050 1051 int 1052 main(int argc, char** argv) 1053 { 1054 int diag; 1055 1056 diag = rte_eal_init(argc, argv); 1057 if (diag < 0) 1058 rte_panic("Cannot init EAL\n"); 1059 1060 if (rte_pmd_init_all()) 1061 rte_panic("Cannot init PMD\n"); 1062 1063 if (rte_eal_pci_probe()) 1064 rte_panic("Cannot probe PCI\n"); 1065 1066 nb_ports = (portid_t) rte_eth_dev_count(); 1067 if (nb_ports == 0) 1068 rte_exit(EXIT_FAILURE, "No probed ethernet devices - check that " 1069 "CONFIG_RTE_LIBRTE_IGB_PMD=y and that " 1070 "CONFIG_RTE_LIBRTE_EM_PMD=y and that " 1071 "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in your " 1072 "configuration file\n"); 1073 1074 set_def_fwd_config(); 1075 if (nb_lcores == 0) 1076 rte_panic("Empty set of forwarding logical cores - check the " 1077 "core mask supplied in the command parameters\n"); 1078 1079 argc -= diag; 1080 argv += diag; 1081 if (argc > 1) 1082 launch_args_parse(argc, argv); 1083 1084 if (nb_rxq > nb_txq) 1085 printf("Warning: nb_rxq=%d enables RSS configuration, " 1086 "but nb_txq=%d will prevent to fully test it.\n", 1087 nb_rxq, nb_txq); 1088 1089 init_config(); 1090 1091 init_ports(); 1092 1093 if (interactive == 1) 1094 prompt(); 1095 else { 1096 char c; 1097 int rc; 1098 1099 printf("No commandline core given, start packet forwarding\n"); 1100 start_packet_forwarding(0); 1101 printf("Press enter to exit\n"); 1102 rc = read(0, &c, 1); 1103 if (rc < 0) 1104 return 1; 1105 } 1106 1107 return 0; 1108 } 1109