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_NET_IXGBE 35 #include <rte_pmd_ixgbe.h> 36 #endif 37 #ifdef RTE_NET_I40E 38 #include <rte_pmd_i40e.h> 39 #endif 40 #ifdef RTE_NET_BNXT 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, RTE_ETHER_ADDR_BYTES(&addr)); 125 126 /* Enable RX in promiscuous mode for the Ethernet device. */ 127 retval = rte_eth_promiscuous_enable(port); 128 if (retval != 0) 129 return retval; 130 131 132 return 0; 133 } 134 135 static int 136 parse_portmask(const char *portmask) 137 { 138 char *end = NULL; 139 unsigned long pm; 140 141 /* parse hexadecimal string */ 142 pm = strtoul(portmask, &end, 16); 143 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) 144 return 0; 145 146 return pm; 147 } 148 /* Parse the argument given in the command line of the application */ 149 static int 150 parse_args(int argc, char **argv) 151 { 152 int opt, ret, cnt, i; 153 char **argvopt; 154 uint16_t *oob_enable; 155 int option_index; 156 char *prgname = argv[0]; 157 struct core_info *ci; 158 float branch_ratio; 159 static struct option lgopts[] = { 160 { "mac-updating", no_argument, 0, 1}, 161 { "no-mac-updating", no_argument, 0, 0}, 162 { "core-branch-ratio", optional_argument, 0, 'b'}, 163 { "port-list", optional_argument, 0, 'p'}, 164 {NULL, 0, 0, 0} 165 }; 166 argvopt = argv; 167 ci = get_core_info(); 168 169 while ((opt = getopt_long(argc, argvopt, "p:q:T:b:", 170 lgopts, &option_index)) != EOF) { 171 172 switch (opt) { 173 /* portmask */ 174 case 'p': 175 enabled_port_mask = parse_portmask(optarg); 176 if (enabled_port_mask == 0) { 177 printf("invalid portmask\n"); 178 return -1; 179 } 180 break; 181 case 'b': 182 branch_ratio = BRANCH_RATIO_THRESHOLD; 183 oob_enable = malloc(ci->core_count * sizeof(uint16_t)); 184 if (oob_enable == NULL) { 185 printf("Error - Unable to allocate memory\n"); 186 return -1; 187 } 188 cnt = parse_set(optarg, oob_enable, ci->core_count); 189 if (cnt < 0) { 190 printf("Invalid core-list section in " 191 "core-branch-ratio matrix - [%s]\n", 192 optarg); 193 free(oob_enable); 194 break; 195 } 196 cnt = parse_branch_ratio(optarg, &branch_ratio); 197 if (cnt < 0) { 198 printf("Invalid branch-ratio section in " 199 "core-branch-ratio matrix - [%s]\n", 200 optarg); 201 free(oob_enable); 202 break; 203 } 204 if (branch_ratio <= 0.0 || branch_ratio > 100.0) { 205 printf("invalid branch ratio specified\n"); 206 free(oob_enable); 207 return -1; 208 } 209 for (i = 0; i < ci->core_count; i++) { 210 if (oob_enable[i]) { 211 printf("***Using core %d " 212 "with branch ratio %f\n", 213 i, branch_ratio); 214 ci->cd[i].oob_enabled = 1; 215 ci->cd[i].global_enabled_cpus = 1; 216 ci->cd[i].branch_ratio_threshold = 217 branch_ratio; 218 } 219 } 220 free(oob_enable); 221 break; 222 /* long options */ 223 case 0: 224 break; 225 226 default: 227 return -1; 228 } 229 } 230 231 if (optind >= 0) 232 argv[optind-1] = prgname; 233 234 ret = optind-1; 235 optind = 0; /* reset getopt lib */ 236 return ret; 237 } 238 239 static void 240 check_all_ports_link_status(uint32_t port_mask) 241 { 242 #define CHECK_INTERVAL 100 /* 100ms */ 243 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 244 uint16_t portid, count, all_ports_up, print_flag = 0; 245 struct rte_eth_link link; 246 int ret; 247 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN]; 248 249 printf("\nChecking link status"); 250 fflush(stdout); 251 for (count = 0; count <= MAX_CHECK_TIME; count++) { 252 if (force_quit) 253 return; 254 all_ports_up = 1; 255 RTE_ETH_FOREACH_DEV(portid) { 256 if (force_quit) 257 return; 258 if ((port_mask & (1 << portid)) == 0) 259 continue; 260 memset(&link, 0, sizeof(link)); 261 ret = rte_eth_link_get_nowait(portid, &link); 262 if (ret < 0) { 263 all_ports_up = 0; 264 if (print_flag == 1) 265 printf("Port %u link get failed: %s\n", 266 portid, rte_strerror(-ret)); 267 continue; 268 } 269 /* print link status if flag set */ 270 if (print_flag == 1) { 271 rte_eth_link_to_str(link_status_text, 272 sizeof(link_status_text), &link); 273 printf("Port %d %s\n", portid, 274 link_status_text); 275 continue; 276 } 277 /* clear all_ports_up flag if any link down */ 278 if (link.link_status == ETH_LINK_DOWN) { 279 all_ports_up = 0; 280 break; 281 } 282 } 283 /* after finally printing all link status, get out */ 284 if (print_flag == 1) 285 break; 286 287 if (all_ports_up == 0) { 288 printf("."); 289 fflush(stdout); 290 rte_delay_ms(CHECK_INTERVAL); 291 } 292 293 /* set the print_flag if all ports up or timeout */ 294 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 295 print_flag = 1; 296 printf("done\n"); 297 } 298 } 299 } 300 static int 301 run_monitor(__rte_unused void *arg) 302 { 303 if (channel_monitor_init() < 0) { 304 printf("Unable to initialize channel monitor\n"); 305 return -1; 306 } 307 run_channel_monitor(); 308 return 0; 309 } 310 311 static int 312 run_core_monitor(__rte_unused void *arg) 313 { 314 if (branch_monitor_init() < 0) { 315 printf("Unable to initialize core monitor\n"); 316 return -1; 317 } 318 run_branch_monitor(); 319 return 0; 320 } 321 322 static void 323 sig_handler(int signo) 324 { 325 printf("Received signal %d, exiting...\n", signo); 326 channel_monitor_exit(); 327 channel_manager_exit(); 328 power_manager_exit(); 329 330 } 331 332 int 333 main(int argc, char **argv) 334 { 335 int ret; 336 unsigned lcore_id; 337 unsigned int nb_ports; 338 struct rte_mempool *mbuf_pool; 339 uint16_t portid; 340 struct core_info *ci; 341 342 343 ret = core_info_init(); 344 if (ret < 0) 345 rte_panic("Cannot allocate core info\n"); 346 347 ci = get_core_info(); 348 349 ret = rte_eal_init(argc, argv); 350 if (ret < 0) 351 rte_panic("Cannot init EAL\n"); 352 353 signal(SIGINT, sig_handler); 354 signal(SIGTERM, sig_handler); 355 356 argc -= ret; 357 argv += ret; 358 359 /* parse application arguments (after the EAL ones) */ 360 ret = parse_args(argc, argv); 361 if (ret < 0) 362 rte_exit(EXIT_FAILURE, "Invalid arguments\n"); 363 364 nb_ports = rte_eth_dev_count_avail(); 365 366 if (nb_ports > 0) { 367 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", 368 NUM_MBUFS * nb_ports, MBUF_CACHE_SIZE, 0, 369 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 370 371 if (mbuf_pool == NULL) 372 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 373 374 /* Initialize ports. */ 375 RTE_ETH_FOREACH_DEV(portid) { 376 struct rte_ether_addr eth; 377 int w, j; 378 int ret; 379 380 if ((enabled_port_mask & (1 << portid)) == 0) 381 continue; 382 383 eth.addr_bytes[0] = 0xe0; 384 eth.addr_bytes[1] = 0xe0; 385 eth.addr_bytes[2] = 0xe0; 386 eth.addr_bytes[3] = 0xe0; 387 eth.addr_bytes[4] = portid + 0xf0; 388 389 if (port_init(portid, mbuf_pool) != 0) 390 rte_exit(EXIT_FAILURE, 391 "Cannot init port %"PRIu8 "\n", 392 portid); 393 394 for (w = 0; w < RTE_POWER_MAX_VFS; w++) { 395 eth.addr_bytes[5] = w + 0xf0; 396 397 ret = -ENOTSUP; 398 #ifdef RTE_NET_IXGBE 399 ret = rte_pmd_ixgbe_set_vf_mac_addr(portid, 400 w, ð); 401 #endif 402 #ifdef RTE_NET_I40E 403 if (ret == -ENOTSUP) 404 ret = rte_pmd_i40e_set_vf_mac_addr( 405 portid, w, ð); 406 #endif 407 #ifdef RTE_NET_BNXT 408 if (ret == -ENOTSUP) 409 ret = rte_pmd_bnxt_set_vf_mac_addr( 410 portid, w, ð); 411 #endif 412 413 switch (ret) { 414 case 0: 415 printf("Port %d VF %d MAC: ", 416 portid, w); 417 for (j = 0; j < 5; j++) { 418 printf("%02x:", 419 eth.addr_bytes[j]); 420 } 421 printf("%02x\n", eth.addr_bytes[5]); 422 break; 423 } 424 printf("\n"); 425 } 426 } 427 } 428 429 check_all_ports_link_status(enabled_port_mask); 430 431 lcore_id = rte_get_next_lcore(-1, 1, 0); 432 if (lcore_id == RTE_MAX_LCORE) { 433 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run " 434 "application\n"); 435 return 0; 436 } 437 printf("Running channel monitor on lcore id %d\n", lcore_id); 438 rte_eal_remote_launch(run_monitor, NULL, lcore_id); 439 440 lcore_id = rte_get_next_lcore(lcore_id, 1, 0); 441 if (lcore_id == RTE_MAX_LCORE) { 442 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run " 443 "application\n"); 444 return 0; 445 } 446 if (power_manager_init() < 0) { 447 printf("Unable to initialize power manager\n"); 448 return -1; 449 } 450 if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) { 451 printf("Unable to initialize channel manager\n"); 452 return -1; 453 } 454 455 add_host_channels(); 456 457 printf("Running core monitor on lcore id %d\n", lcore_id); 458 rte_eal_remote_launch(run_core_monitor, NULL, lcore_id); 459 460 run_cli(NULL); 461 462 branch_monitor_exit(); 463 464 rte_eal_mp_wait_lcore(); 465 466 free(ci->cd); 467 468 /* clean up the EAL */ 469 rte_eal_cleanup(); 470 471 return 0; 472 } 473