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_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, &eth);
 401 #endif
 402 #ifdef RTE_NET_I40E
 403                                 if (ret == -ENOTSUP)
 404                                         ret = rte_pmd_i40e_set_vf_mac_addr(
 405                                                         portid, w, &eth);
 406 #endif
 407 #ifdef RTE_NET_BNXT
 408                                 if (ret == -ENOTSUP)
 409                                         ret = rte_pmd_bnxt_set_vf_mac_addr(
 410                                                         portid, w, &eth);
 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 }