examples/vm_power_manager/main.c

   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         rte_eth_macaddr_get(port, &addr);
 116         printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8
 117                            " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n",
 118                         (unsigned int)port,
 119                         addr.addr_bytes[0], addr.addr_bytes[1],
 120                         addr.addr_bytes[2], addr.addr_bytes[3],
 121                         addr.addr_bytes[4], addr.addr_bytes[5]);
 122
 123         /* Enable RX in promiscuous mode for the Ethernet device. */
 124         retval = rte_eth_promiscuous_enable(port);
 125         if (retval != 0)
 126                 return retval;
 127
 128
 129         return 0;
 130 }
 131
 132 static int
 133 parse_portmask(const char *portmask)
 134 {
 135         char *end = NULL;
 136         unsigned long pm;
 137
 138         /* parse hexadecimal string */
 139         pm = strtoul(portmask, &end, 16);
 140         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 141                 return -1;
 142
 143         if (pm == 0)
 144                 return -1;
 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-list", optional_argument, 0, 'l'},
 163                 { "port-list", optional_argument, 0, 'p'},
 164                 { "branch-ratio", optional_argument, 0, 'b'},
 165                 {NULL, 0, 0, 0}
 166         };
 167         argvopt = argv;
 168         ci = get_core_info();
 169
 170         while ((opt = getopt_long(argc, argvopt, "l:p:q:T:b:",
 171                                   lgopts, &option_index)) != EOF) {
 172
 173                 switch (opt) {
 174                 /* portmask */
 175                 case 'p':
 176                         enabled_port_mask = parse_portmask(optarg);
 177                         if (enabled_port_mask == 0) {
 178                                 printf("invalid portmask\n");
 179                                 return -1;
 180                         }
 181                         break;
 182                 case 'l':
 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 - [%s]\n",
 191                                                 optarg);
 192                                 free(oob_enable);
 193                                 break;
 194                         }
 195                         for (i = 0; i < ci->core_count; i++) {
 196                                 if (oob_enable[i]) {
 197                                         printf("***Using core %d\n", i);
 198                                         ci->cd[i].oob_enabled = 1;
 199                                         ci->cd[i].global_enabled_cpus = 1;
 200                                 }
 201                         }
 202                         free(oob_enable);
 203                         break;
 204                 case 'b':
 205                         branch_ratio = 0.0;
 206                         if (strlen(optarg))
 207                                 branch_ratio = atof(optarg);
 208                         if (branch_ratio <= 0.0) {
 209                                 printf("invalid branch ratio specified\n");
 210                                 return -1;
 211                         }
 212                         ci->branch_ratio_threshold = branch_ratio;
 213                         printf("***Setting branch ratio to %f\n",
 214                                         branch_ratio);
 215                         break;
 216                 /* long options */
 217                 case 0:
 218                         break;
 219
 220                 default:
 221                         return -1;
 222                 }
 223         }
 224
 225         if (optind >= 0)
 226                 argv[optind-1] = prgname;
 227
 228         ret = optind-1;
 229         optind = 0; /* reset getopt lib */
 230         return ret;
 231 }
 232
 233 static void
 234 check_all_ports_link_status(uint32_t port_mask)
 235 {
 236 #define CHECK_INTERVAL 100 /* 100ms */
 237 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 238         uint16_t portid, count, all_ports_up, print_flag = 0;
 239         struct rte_eth_link link;
 240         int ret;
 241
 242         printf("\nChecking link status");
 243         fflush(stdout);
 244         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 245                 if (force_quit)
 246                         return;
 247                 all_ports_up = 1;
 248                 RTE_ETH_FOREACH_DEV(portid) {
 249                         if (force_quit)
 250                                 return;
 251                         if ((port_mask & (1 << portid)) == 0)
 252                                 continue;
 253                         memset(&link, 0, sizeof(link));
 254                         ret = rte_eth_link_get_nowait(portid, &link);
 255                         if (ret < 0) {
 256                                 all_ports_up = 0;
 257                                 if (print_flag == 1)
 258                                         printf("Port %u link get failed: %s\n",
 259                                                 portid, rte_strerror(-ret));
 260                                 continue;
 261                         }
 262                         /* print link status if flag set */
 263                         if (print_flag == 1) {
 264                                 if (link.link_status)
 265                                         printf("Port %d Link Up - speed %u "
 266                                                 "Mbps - %s\n", (uint16_t)portid,
 267                                                 (unsigned int)link.link_speed,
 268                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 269                                         ("full-duplex") : ("half-duplex\n"));
 270                                 else
 271                                         printf("Port %d Link Down\n",
 272                                                 (uint16_t)portid);
 273                                 continue;
 274                         }
 275                        /* clear all_ports_up flag if any link down */
 276                         if (link.link_status == ETH_LINK_DOWN) {
 277                                 all_ports_up = 0;
 278                                 break;
 279                         }
 280                 }
 281                 /* after finally printing all link status, get out */
 282                 if (print_flag == 1)
 283                         break;
 284
 285                 if (all_ports_up == 0) {
 286                         printf(".");
 287                         fflush(stdout);
 288                         rte_delay_ms(CHECK_INTERVAL);
 289                 }
 290
 291                 /* set the print_flag if all ports up or timeout */
 292                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 293                         print_flag = 1;
 294                         printf("done\n");
 295                 }
 296         }
 297 }
 298 static int
 299 run_monitor(__attribute__((unused)) void *arg)
 300 {
 301         if (channel_monitor_init() < 0) {
 302                 printf("Unable to initialize channel monitor\n");
 303                 return -1;
 304         }
 305         run_channel_monitor();
 306         return 0;
 307 }
 308
 309 static int
 310 run_core_monitor(__attribute__((unused)) void *arg)
 311 {
 312         if (branch_monitor_init() < 0) {
 313                 printf("Unable to initialize core monitor\n");
 314                 return -1;
 315         }
 316         run_branch_monitor();
 317         return 0;
 318 }
 319
 320 static void
 321 sig_handler(int signo)
 322 {
 323         printf("Received signal %d, exiting...\n", signo);
 324         channel_monitor_exit();
 325         channel_manager_exit();
 326         power_manager_exit();
 327
 328 }
 329
 330 int
 331 main(int argc, char **argv)
 332 {
 333         int ret;
 334         unsigned lcore_id;
 335         unsigned int nb_ports;
 336         struct rte_mempool *mbuf_pool;
 337         uint16_t portid;
 338         struct core_info *ci;
 339
 340
 341         ret = core_info_init();
 342         if (ret < 0)
 343                 rte_panic("Cannot allocate core info\n");
 344
 345         ci = get_core_info();
 346
 347         ret = rte_eal_init(argc, argv);
 348         if (ret < 0)
 349                 rte_panic("Cannot init EAL\n");
 350
 351         signal(SIGINT, sig_handler);
 352         signal(SIGTERM, sig_handler);
 353
 354         argc -= ret;
 355         argv += ret;
 356
 357         /* parse application arguments (after the EAL ones) */
 358         ret = parse_args(argc, argv);
 359         if (ret < 0)
 360                 rte_exit(EXIT_FAILURE, "Invalid arguments\n");
 361
 362         nb_ports = rte_eth_dev_count_avail();
 363
 364         if (nb_ports > 0) {
 365                 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
 366                                 NUM_MBUFS * nb_ports, MBUF_CACHE_SIZE, 0,
 367                                 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 368
 369                 if (mbuf_pool == NULL)
 370                         rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 371
 372                 /* Initialize ports. */
 373                 RTE_ETH_FOREACH_DEV(portid) {
 374                         struct rte_ether_addr eth;
 375                         int w, j;
 376                         int ret;
 377
 378                         if ((enabled_port_mask & (1 << portid)) == 0)
 379                                 continue;
 380
 381                         eth.addr_bytes[0] = 0xe0;
 382                         eth.addr_bytes[1] = 0xe0;
 383                         eth.addr_bytes[2] = 0xe0;
 384                         eth.addr_bytes[3] = 0xe0;
 385                         eth.addr_bytes[4] = portid + 0xf0;
 386
 387                         if (port_init(portid, mbuf_pool) != 0)
 388                                 rte_exit(EXIT_FAILURE,
 389                                         "Cannot init port %"PRIu8 "\n",
 390                                         portid);
 391
 392                         for (w = 0; w < MAX_VFS; w++) {
 393                                 eth.addr_bytes[5] = w + 0xf0;
 394
 395                                 ret = -ENOTSUP;
 396 #ifdef RTE_LIBRTE_IXGBE_PMD
 397                                 ret = rte_pmd_ixgbe_set_vf_mac_addr(portid,
 398                                                         w, &eth);
 399 #endif
 400 #ifdef RTE_LIBRTE_I40E_PMD
 401                                 if (ret == -ENOTSUP)
 402                                         ret = rte_pmd_i40e_set_vf_mac_addr(
 403                                                         portid, w, &eth);
 404 #endif
 405 #ifdef RTE_LIBRTE_BNXT_PMD
 406                                 if (ret == -ENOTSUP)
 407                                         ret = rte_pmd_bnxt_set_vf_mac_addr(
 408                                                         portid, w, &eth);
 409 #endif
 410
 411                                 switch (ret) {
 412                                 case 0:
 413                                         printf("Port %d VF %d MAC: ",
 414                                                         portid, w);
 415                                         for (j = 0; j < 5; j++) {
 416                                                 printf("%02x:",
 417                                                         eth.addr_bytes[j]);
 418                                         }
 419                                         printf("%02x\n", eth.addr_bytes[5]);
 420                                         break;
 421                                 }
 422                                 printf("\n");
 423                         }
 424                 }
 425         }
 426
 427         check_all_ports_link_status(enabled_port_mask);
 428
 429         lcore_id = rte_get_next_lcore(-1, 1, 0);
 430         if (lcore_id == RTE_MAX_LCORE) {
 431                 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
 432                                 "application\n");
 433                 return 0;
 434         }
 435         printf("Running channel monitor on lcore id %d\n", lcore_id);
 436         rte_eal_remote_launch(run_monitor, NULL, lcore_id);
 437
 438         lcore_id = rte_get_next_lcore(lcore_id, 1, 0);
 439         if (lcore_id == RTE_MAX_LCORE) {
 440                 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
 441                                 "application\n");
 442                 return 0;
 443         }
 444         if (power_manager_init() < 0) {
 445                 printf("Unable to initialize power manager\n");
 446                 return -1;
 447         }
 448         if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) {
 449                 printf("Unable to initialize channel manager\n");
 450                 return -1;
 451         }
 452
 453         add_host_channels();
 454
 455         printf("Running core monitor on lcore id %d\n", lcore_id);
 456         rte_eal_remote_launch(run_core_monitor, NULL, lcore_id);
 457
 458         run_cli(NULL);
 459
 460         branch_monitor_exit();
 461
 462         rte_eal_mp_wait_lcore();
 463
 464         free(ci->cd);
 465
 466         return 0;
 467 }