1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdio.h> 6 #include <string.h> 7 #include <stdint.h> 8 #include <sys/epoll.h> 9 #include <fcntl.h> 10 #include <unistd.h> 11 #include <stdlib.h> 12 #include <signal.h> 13 #include <errno.h> 14 15 #include <sys/queue.h> 16 17 #include <rte_common.h> 18 #include <rte_eal.h> 19 #include <rte_launch.h> 20 #include <rte_log.h> 21 #include <rte_per_lcore.h> 22 #include <rte_lcore.h> 23 #include <rte_ethdev.h> 24 #include <getopt.h> 25 #include <rte_cycles.h> 26 #include <rte_debug.h> 27 28 #include "channel_manager.h" 29 #include "channel_monitor.h" 30 #include "power_manager.h" 31 #include "vm_power_cli.h" 32 #include "oob_monitor.h" 33 #include "parse.h" 34 #ifdef RTE_LIBRTE_IXGBE_PMD 35 #include <rte_pmd_ixgbe.h> 36 #endif 37 #ifdef RTE_LIBRTE_I40E_PMD 38 #include <rte_pmd_i40e.h> 39 #endif 40 #ifdef RTE_LIBRTE_BNXT_PMD 41 #include <rte_pmd_bnxt.h> 42 #endif 43 44 #define RX_RING_SIZE 1024 45 #define TX_RING_SIZE 1024 46 47 #define NUM_MBUFS 8191 48 #define MBUF_CACHE_SIZE 250 49 #define BURST_SIZE 32 50 51 static uint32_t enabled_port_mask; 52 static volatile bool force_quit; 53 54 /****************/ 55 static const struct rte_eth_conf port_conf_default = { 56 .rxmode = { 57 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 58 }, 59 }; 60 61 static inline int 62 port_init(uint16_t port, struct rte_mempool *mbuf_pool) 63 { 64 struct rte_eth_conf port_conf = port_conf_default; 65 const uint16_t rx_rings = 1, tx_rings = 1; 66 int retval; 67 uint16_t q; 68 struct rte_eth_dev_info dev_info; 69 struct rte_eth_txconf txq_conf; 70 71 if (!rte_eth_dev_is_valid_port(port)) 72 return -1; 73 74 retval = rte_eth_dev_info_get(port, &dev_info); 75 if (retval != 0) { 76 printf("Error during getting device (port %u) info: %s\n", 77 port, strerror(-retval)); 78 return retval; 79 } 80 81 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 82 port_conf.txmode.offloads |= 83 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 84 85 /* Configure the Ethernet device. */ 86 retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf); 87 if (retval != 0) 88 return retval; 89 90 /* Allocate and set up 1 RX queue per Ethernet port. */ 91 for (q = 0; q < rx_rings; q++) { 92 retval = rte_eth_rx_queue_setup(port, q, RX_RING_SIZE, 93 rte_eth_dev_socket_id(port), NULL, mbuf_pool); 94 if (retval < 0) 95 return retval; 96 } 97 98 txq_conf = dev_info.default_txconf; 99 txq_conf.offloads = port_conf.txmode.offloads; 100 /* Allocate and set up 1 TX queue per Ethernet port. */ 101 for (q = 0; q < tx_rings; q++) { 102 retval = rte_eth_tx_queue_setup(port, q, TX_RING_SIZE, 103 rte_eth_dev_socket_id(port), &txq_conf); 104 if (retval < 0) 105 return retval; 106 } 107 108 /* Start the Ethernet port. */ 109 retval = rte_eth_dev_start(port); 110 if (retval < 0) 111 return retval; 112 113 /* Display the port MAC address. */ 114 struct rte_ether_addr addr; 115 retval = rte_eth_macaddr_get(port, &addr); 116 if (retval != 0) { 117 printf("Failed to get device (port %u) MAC address: %s\n", 118 port, rte_strerror(-retval)); 119 return retval; 120 } 121 122 printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8 123 " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n", 124 (unsigned int)port, 125 addr.addr_bytes[0], addr.addr_bytes[1], 126 addr.addr_bytes[2], addr.addr_bytes[3], 127 addr.addr_bytes[4], addr.addr_bytes[5]); 128 129 /* Enable RX in promiscuous mode for the Ethernet device. */ 130 retval = rte_eth_promiscuous_enable(port); 131 if (retval != 0) 132 return retval; 133 134 135 return 0; 136 } 137 138 static int 139 parse_portmask(const char *portmask) 140 { 141 char *end = NULL; 142 unsigned long pm; 143 144 /* parse hexadecimal string */ 145 pm = strtoul(portmask, &end, 16); 146 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 147 return 0; 148 149 return pm; 150 } 151 /* Parse the argument given in the command line of the application */ 152 static int 153 parse_args(int argc, char **argv) 154 { 155 int opt, ret, cnt, i; 156 char **argvopt; 157 uint16_t *oob_enable; 158 int option_index; 159 char *prgname = argv[0]; 160 struct core_info *ci; 161 float branch_ratio; 162 static struct option lgopts[] = { 163 { "mac-updating", no_argument, 0, 1}, 164 { "no-mac-updating", no_argument, 0, 0}, 165 { "core-branch-ratio", optional_argument, 0, 'b'}, 166 { "port-list", optional_argument, 0, 'p'}, 167 {NULL, 0, 0, 0} 168 }; 169 argvopt = argv; 170 ci = get_core_info(); 171 172 while ((opt = getopt_long(argc, argvopt, "p:q:T:b:", 173 lgopts, &option_index)) != EOF) { 174 175 switch (opt) { 176 /* portmask */ 177 case 'p': 178 enabled_port_mask = parse_portmask(optarg); 179 if (enabled_port_mask == 0) { 180 printf("invalid portmask\n"); 181 return -1; 182 } 183 break; 184 case 'b': 185 branch_ratio = BRANCH_RATIO_THRESHOLD; 186 oob_enable = malloc(ci->core_count * sizeof(uint16_t)); 187 if (oob_enable == NULL) { 188 printf("Error - Unable to allocate memory\n"); 189 return -1; 190 } 191 cnt = parse_set(optarg, oob_enable, ci->core_count); 192 if (cnt < 0) { 193 printf("Invalid core-list section in " 194 "core-branch-ratio matrix - [%s]\n", 195 optarg); 196 free(oob_enable); 197 break; 198 } 199 cnt = parse_branch_ratio(optarg, &branch_ratio); 200 if (cnt < 0) { 201 printf("Invalid branch-ratio section in " 202 "core-branch-ratio matrix - [%s]\n", 203 optarg); 204 free(oob_enable); 205 break; 206 } 207 if (branch_ratio <= 0.0 || branch_ratio > 100.0) { 208 printf("invalid branch ratio specified\n"); 209 return -1; 210 } 211 for (i = 0; i < ci->core_count; i++) { 212 if (oob_enable[i]) { 213 printf("***Using core %d " 214 "with branch ratio %f\n", 215 i, branch_ratio); 216 ci->cd[i].oob_enabled = 1; 217 ci->cd[i].global_enabled_cpus = 1; 218 ci->cd[i].branch_ratio_threshold = 219 branch_ratio; 220 } 221 } 222 free(oob_enable); 223 break; 224 /* long options */ 225 case 0: 226 break; 227 228 default: 229 return -1; 230 } 231 } 232 233 if (optind >= 0) 234 argv[optind-1] = prgname; 235 236 ret = optind-1; 237 optind = 0; /* reset getopt lib */ 238 return ret; 239 } 240 241 static void 242 check_all_ports_link_status(uint32_t port_mask) 243 { 244 #define CHECK_INTERVAL 100 /* 100ms */ 245 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 246 uint16_t portid, count, all_ports_up, print_flag = 0; 247 struct rte_eth_link link; 248 int ret; 249 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 250 251 printf("\nChecking link status"); 252 fflush(stdout); 253 for (count = 0; count <= MAX_CHECK_TIME; count++) { 254 if (force_quit) 255 return; 256 all_ports_up = 1; 257 RTE_ETH_FOREACH_DEV(portid) { 258 if (force_quit) 259 return; 260 if ((port_mask & (1 << portid)) == 0) 261 continue; 262 memset(&link, 0, sizeof(link)); 263 ret = rte_eth_link_get_nowait(portid, &link); 264 if (ret < 0) { 265 all_ports_up = 0; 266 if (print_flag == 1) 267 printf("Port %u link get failed: %s\n", 268 portid, rte_strerror(-ret)); 269 continue; 270 } 271 /* print link status if flag set */ 272 if (print_flag == 1) { 273 rte_eth_link_to_str(link_status_text, 274 sizeof(link_status_text), &link); 275 printf("Port %d %s\n", portid, 276 link_status_text); 277 continue; 278 } 279 /* clear all_ports_up flag if any link down */ 280 if (link.link_status == ETH_LINK_DOWN) { 281 all_ports_up = 0; 282 break; 283 } 284 } 285 /* after finally printing all link status, get out */ 286 if (print_flag == 1) 287 break; 288 289 if (all_ports_up == 0) { 290 printf("."); 291 fflush(stdout); 292 rte_delay_ms(CHECK_INTERVAL); 293 } 294 295 /* set the print_flag if all ports up or timeout */ 296 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 297 print_flag = 1; 298 printf("done\n"); 299 } 300 } 301 } 302 static int 303 run_monitor(__rte_unused void *arg) 304 { 305 if (channel_monitor_init() < 0) { 306 printf("Unable to initialize channel monitor\n"); 307 return -1; 308 } 309 run_channel_monitor(); 310 return 0; 311 } 312 313 static int 314 run_core_monitor(__rte_unused void *arg) 315 { 316 if (branch_monitor_init() < 0) { 317 printf("Unable to initialize core monitor\n"); 318 return -1; 319 } 320 run_branch_monitor(); 321 return 0; 322 } 323 324 static void 325 sig_handler(int signo) 326 { 327 printf("Received signal %d, exiting...\n", signo); 328 channel_monitor_exit(); 329 channel_manager_exit(); 330 power_manager_exit(); 331 332 } 333 334 int 335 main(int argc, char **argv) 336 { 337 int ret; 338 unsigned lcore_id; 339 unsigned int nb_ports; 340 struct rte_mempool *mbuf_pool; 341 uint16_t portid; 342 struct core_info *ci; 343 344 345 ret = core_info_init(); 346 if (ret < 0) 347 rte_panic("Cannot allocate core info\n"); 348 349 ci = get_core_info(); 350 351 ret = rte_eal_init(argc, argv); 352 if (ret < 0) 353 rte_panic("Cannot init EAL\n"); 354 355 signal(SIGINT, sig_handler); 356 signal(SIGTERM, sig_handler); 357 358 argc -= ret; 359 argv += ret; 360 361 /* parse application arguments (after the EAL ones) */ 362 ret = parse_args(argc, argv); 363 if (ret < 0) 364 rte_exit(EXIT_FAILURE, "Invalid arguments\n"); 365 366 nb_ports = rte_eth_dev_count_avail(); 367 368 if (nb_ports > 0) { 369 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", 370 NUM_MBUFS * nb_ports, MBUF_CACHE_SIZE, 0, 371 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 372 373 if (mbuf_pool == NULL) 374 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 375 376 /* Initialize ports. */ 377 RTE_ETH_FOREACH_DEV(portid) { 378 struct rte_ether_addr eth; 379 int w, j; 380 int ret; 381 382 if ((enabled_port_mask & (1 << portid)) == 0) 383 continue; 384 385 eth.addr_bytes[0] = 0xe0; 386 eth.addr_bytes[1] = 0xe0; 387 eth.addr_bytes[2] = 0xe0; 388 eth.addr_bytes[3] = 0xe0; 389 eth.addr_bytes[4] = portid + 0xf0; 390 391 if (port_init(portid, mbuf_pool) != 0) 392 rte_exit(EXIT_FAILURE, 393 "Cannot init port %"PRIu8 "\n", 394 portid); 395 396 for (w = 0; w < MAX_VFS; w++) { 397 eth.addr_bytes[5] = w + 0xf0; 398 399 ret = -ENOTSUP; 400 #ifdef RTE_LIBRTE_IXGBE_PMD 401 ret = rte_pmd_ixgbe_set_vf_mac_addr(portid, 402 w, ð); 403 #endif 404 #ifdef RTE_LIBRTE_I40E_PMD 405 if (ret == -ENOTSUP) 406 ret = rte_pmd_i40e_set_vf_mac_addr( 407 portid, w, ð); 408 #endif 409 #ifdef RTE_LIBRTE_BNXT_PMD 410 if (ret == -ENOTSUP) 411 ret = rte_pmd_bnxt_set_vf_mac_addr( 412 portid, w, ð); 413 #endif 414 415 switch (ret) { 416 case 0: 417 printf("Port %d VF %d MAC: ", 418 portid, w); 419 for (j = 0; j < 5; j++) { 420 printf("%02x:", 421 eth.addr_bytes[j]); 422 } 423 printf("%02x\n", eth.addr_bytes[5]); 424 break; 425 } 426 printf("\n"); 427 } 428 } 429 } 430 431 check_all_ports_link_status(enabled_port_mask); 432 433 lcore_id = rte_get_next_lcore(-1, 1, 0); 434 if (lcore_id == RTE_MAX_LCORE) { 435 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run " 436 "application\n"); 437 return 0; 438 } 439 printf("Running channel monitor on lcore id %d\n", lcore_id); 440 rte_eal_remote_launch(run_monitor, NULL, lcore_id); 441 442 lcore_id = rte_get_next_lcore(lcore_id, 1, 0); 443 if (lcore_id == RTE_MAX_LCORE) { 444 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run " 445 "application\n"); 446 return 0; 447 } 448 if (power_manager_init() < 0) { 449 printf("Unable to initialize power manager\n"); 450 return -1; 451 } 452 if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) { 453 printf("Unable to initialize channel manager\n"); 454 return -1; 455 } 456 457 add_host_channels(); 458 459 printf("Running core monitor on lcore id %d\n", lcore_id); 460 rte_eal_remote_launch(run_core_monitor, NULL, lcore_id); 461 462 run_cli(NULL); 463 464 branch_monitor_exit(); 465 466 rte_eal_mp_wait_lcore(); 467 468 free(ci->cd); 469 470 return 0; 471 } 472