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