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