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,
 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                                 free(oob_enable);
 210                                 return -1;
 211                         }
 212                         for (i = 0; i < ci->core_count; i++) {
 213                                 if (oob_enable[i]) {
 214                                         printf("***Using core %d "
 215                                                "with branch ratio %f\n",
 216                                                i, branch_ratio);
 217                                         ci->cd[i].oob_enabled = 1;
 218                                         ci->cd[i].global_enabled_cpus = 1;
 219                                         ci->cd[i].branch_ratio_threshold =
 220                                                                 branch_ratio;
 221                                 }
 222                         }
 223                         free(oob_enable);
 224                         break;
 225                 /* long options */
 226                 case 0:
 227                         break;
 228
 229                 default:
 230                         return -1;
 231                 }
 232         }
 233
 234         if (optind >= 0)
 235                 argv[optind-1] = prgname;
 236
 237         ret = optind-1;
 238         optind = 0; /* reset getopt lib */
 239         return ret;
 240 }
 241
 242 static void
 243 check_all_ports_link_status(uint32_t port_mask)
 244 {
 245 #define CHECK_INTERVAL 100 /* 100ms */
 246 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 247         uint16_t portid, count, all_ports_up, print_flag = 0;
 248         struct rte_eth_link link;
 249         int ret;
 250         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 251
 252         printf("\nChecking link status");
 253         fflush(stdout);
 254         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 255                 if (force_quit)
 256                         return;
 257                 all_ports_up = 1;
 258                 RTE_ETH_FOREACH_DEV(portid) {
 259                         if (force_quit)
 260                                 return;
 261                         if ((port_mask & (1 << portid)) == 0)
 262                                 continue;
 263                         memset(&link, 0, sizeof(link));
 264                         ret = rte_eth_link_get_nowait(portid, &link);
 265                         if (ret < 0) {
 266                                 all_ports_up = 0;
 267                                 if (print_flag == 1)
 268                                         printf("Port %u link get failed: %s\n",
 269                                                 portid, rte_strerror(-ret));
 270                                 continue;
 271                         }
 272                         /* print link status if flag set */
 273                         if (print_flag == 1) {
 274                                 rte_eth_link_to_str(link_status_text,
 275                                         sizeof(link_status_text), &link);
 276                                 printf("Port %d %s\n", portid,
 277                                        link_status_text);
 278                                 continue;
 279                         }
 280                        /* clear all_ports_up flag if any link down */
 281                         if (link.link_status == ETH_LINK_DOWN) {
 282                                 all_ports_up = 0;
 283                                 break;
 284                         }
 285                 }
 286                 /* after finally printing all link status, get out */
 287                 if (print_flag == 1)
 288                         break;
 289
 290                 if (all_ports_up == 0) {
 291                         printf(".");
 292                         fflush(stdout);
 293                         rte_delay_ms(CHECK_INTERVAL);
 294                 }
 295
 296                 /* set the print_flag if all ports up or timeout */
 297                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 298                         print_flag = 1;
 299                         printf("done\n");
 300                 }
 301         }
 302 }
 303 static int
 304 run_monitor(__rte_unused void *arg)
 305 {
 306         if (channel_monitor_init() < 0) {
 307                 printf("Unable to initialize channel monitor\n");
 308                 return -1;
 309         }
 310         run_channel_monitor();
 311         return 0;
 312 }
 313
 314 static int
 315 run_core_monitor(__rte_unused void *arg)
 316 {
 317         if (branch_monitor_init() < 0) {
 318                 printf("Unable to initialize core monitor\n");
 319                 return -1;
 320         }
 321         run_branch_monitor();
 322         return 0;
 323 }
 324
 325 static void
 326 sig_handler(int signo)
 327 {
 328         printf("Received signal %d, exiting...\n", signo);
 329         channel_monitor_exit();
 330         channel_manager_exit();
 331         power_manager_exit();
 332
 333 }
 334
 335 int
 336 main(int argc, char **argv)
 337 {
 338         int ret;
 339         unsigned lcore_id;
 340         unsigned int nb_ports;
 341         struct rte_mempool *mbuf_pool;
 342         uint16_t portid;
 343         struct core_info *ci;
 344
 345
 346         ret = core_info_init();
 347         if (ret < 0)
 348                 rte_panic("Cannot allocate core info\n");
 349
 350         ci = get_core_info();
 351
 352         ret = rte_eal_init(argc, argv);
 353         if (ret < 0)
 354                 rte_panic("Cannot init EAL\n");
 355
 356         signal(SIGINT, sig_handler);
 357         signal(SIGTERM, sig_handler);
 358
 359         argc -= ret;
 360         argv += ret;
 361
 362         /* parse application arguments (after the EAL ones) */
 363         ret = parse_args(argc, argv);
 364         if (ret < 0)
 365                 rte_exit(EXIT_FAILURE, "Invalid arguments\n");
 366
 367         nb_ports = rte_eth_dev_count_avail();
 368
 369         if (nb_ports > 0) {
 370                 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
 371                                 NUM_MBUFS * nb_ports, MBUF_CACHE_SIZE, 0,
 372                                 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 373
 374                 if (mbuf_pool == NULL)
 375                         rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
 376
 377                 /* Initialize ports. */
 378                 RTE_ETH_FOREACH_DEV(portid) {
 379                         struct rte_ether_addr eth;
 380                         int w, j;
 381                         int ret;
 382
 383                         if ((enabled_port_mask & (1 << portid)) == 0)
 384                                 continue;
 385
 386                         eth.addr_bytes[0] = 0xe0;
 387                         eth.addr_bytes[1] = 0xe0;
 388                         eth.addr_bytes[2] = 0xe0;
 389                         eth.addr_bytes[3] = 0xe0;
 390                         eth.addr_bytes[4] = portid + 0xf0;
 391
 392                         if (port_init(portid, mbuf_pool) != 0)
 393                                 rte_exit(EXIT_FAILURE,
 394                                         "Cannot init port %"PRIu8 "\n",
 395                                         portid);
 396
 397                         for (w = 0; w < MAX_VFS; w++) {
 398                                 eth.addr_bytes[5] = w + 0xf0;
 399
 400                                 ret = -ENOTSUP;
 401 #ifdef RTE_NET_IXGBE
 402                                 ret = rte_pmd_ixgbe_set_vf_mac_addr(portid,
 403                                                         w, &eth);
 404 #endif
 405 #ifdef RTE_NET_I40E
 406                                 if (ret == -ENOTSUP)
 407                                         ret = rte_pmd_i40e_set_vf_mac_addr(
 408                                                         portid, w, &eth);
 409 #endif
 410 #ifdef RTE_NET_BNXT
 411                                 if (ret == -ENOTSUP)
 412                                         ret = rte_pmd_bnxt_set_vf_mac_addr(
 413                                                         portid, w, &eth);
 414 #endif
 415
 416                                 switch (ret) {
 417                                 case 0:
 418                                         printf("Port %d VF %d MAC: ",
 419                                                         portid, w);
 420                                         for (j = 0; j < 5; j++) {
 421                                                 printf("%02x:",
 422                                                         eth.addr_bytes[j]);
 423                                         }
 424                                         printf("%02x\n", eth.addr_bytes[5]);
 425                                         break;
 426                                 }
 427                                 printf("\n");
 428                         }
 429                 }
 430         }
 431
 432         check_all_ports_link_status(enabled_port_mask);
 433
 434         lcore_id = rte_get_next_lcore(-1, 1, 0);
 435         if (lcore_id == RTE_MAX_LCORE) {
 436                 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
 437                                 "application\n");
 438                 return 0;
 439         }
 440         printf("Running channel monitor on lcore id %d\n", lcore_id);
 441         rte_eal_remote_launch(run_monitor, NULL, lcore_id);
 442
 443         lcore_id = rte_get_next_lcore(lcore_id, 1, 0);
 444         if (lcore_id == RTE_MAX_LCORE) {
 445                 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
 446                                 "application\n");
 447                 return 0;
 448         }
 449         if (power_manager_init() < 0) {
 450                 printf("Unable to initialize power manager\n");
 451                 return -1;
 452         }
 453         if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) {
 454                 printf("Unable to initialize channel manager\n");
 455                 return -1;
 456         }
 457
 458         add_host_channels();
 459
 460         printf("Running core monitor on lcore id %d\n", lcore_id);
 461         rte_eal_remote_launch(run_core_monitor, NULL, lcore_id);
 462
 463         run_cli(NULL);
 464
 465         branch_monitor_exit();
 466
 467         rte_eal_mp_wait_lcore();
 468
 469         free(ci->cd);
 470
 471         return 0;
 472 }