lustre/utils/portals.c

   1 /*
   2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
   3  *
   4  * Copyright (c) 2013, 2017, Intel Corporation.
   5  *
   6  *   This file is part of Lustre, https://wiki.whamcloud.com/
   7  *
   8  *   Portals is free software; you can redistribute it and/or
   9  *   modify it under the terms of version 2 of the GNU General Public
  10  *   License as published by the Free Software Foundation.
  11  *
  12  *   Portals is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with Portals; if not, write to the Free Software
  19  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  */
  22 #include <errno.h>
  23 #include <getopt.h>
  24 #include <inttypes.h>
  25 #include <limits.h>
  26 #ifdef HAVE_NETDB_H
  27 # include <netdb.h>
  28 #endif
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <sys/ioctl.h>
  34 #include <sys/time.h>
  35 #include <time.h>
  36 #include <linux/types.h>
  37
  38 #include <libcfs/util/ioctl.h>
  39 #include <linux/lnet/libcfs_debug.h>
  40 #include <linux/lnet/lnet-dlc.h>
  41 #include <linux/lnet/lnetctl.h>
  42 #include <linux/lnet/nidstr.h>
  43 #include <linux/lnet/socklnd.h>
  44 #include <lnetconfig/liblnetconfig.h>
  45 #include <lustre/lustreapi.h>
  46
  47 unsigned int libcfs_debug;
  48 unsigned int libcfs_printk = D_CANTMASK;
  49
  50 static bool  g_net_interactive;
  51 static bool  g_net_set;
  52 static __u32 g_net;
  53
  54 #define IOC_BUF_SIZE    8192
  55 static char local_buf[IOC_BUF_SIZE];
  56 static char *ioc_buf = local_buf;
  57
  58 /* Convert a string boolean to an int; "enable" -> 1 */
  59 int
  60 lnet_parse_bool (int *b, char *str)
  61 {
  62         if (!strcasecmp(str, "no") ||
  63             !strcasecmp(str, "n") ||
  64             !strcasecmp(str, "off") ||
  65             !strcasecmp(str, "down") ||
  66             !strcasecmp(str, "disable")) {
  67                 *b = 0;
  68
  69                 return 0;
  70         }
  71
  72         if (!strcasecmp(str, "yes") ||
  73             !strcasecmp(str, "y") ||
  74             !strcasecmp(str, "on") ||
  75             !strcasecmp(str, "up") ||
  76             !strcasecmp(str, "enable")) {
  77                 *b = 1;
  78
  79                 return 0;
  80         }
  81
  82         return -1;
  83 }
  84
  85 int
  86 lnet_parse_port(int *port, char *str)
  87 {
  88         char *end;
  89
  90         *port = strtol(str, &end, 0);
  91
  92         if (*end == 0 &&                        /* parsed whole string */
  93             *port > 0 && *port < 65536)         /* minimal sanity check */
  94                 return 0;
  95
  96         return -1;
  97 }
  98
  99 #ifdef HAVE_GETHOSTBYNAME
 100 static struct hostent *
 101 ptl_gethostbyname(char *hname)
 102 {
 103         struct hostent *he;
 104
 105         he = gethostbyname(hname);
 106         if (!he) {
 107                 switch (h_errno) {
 108                 case HOST_NOT_FOUND:
 109                 case NO_ADDRESS:
 110                         fprintf(stderr, "Unable to resolve hostname: %s\n",
 111                                 hname);
 112                         break;
 113                 default:
 114                         fprintf(stderr, "gethostbyname error for %s: %s\n",
 115                                 hname, strerror(h_errno));
 116                         break;
 117                 }
 118                 return NULL;
 119         }
 120         return he;
 121 }
 122 #endif
 123
 124 int
 125 lnet_parse_ipquad(__u32 *ipaddrp, char *str)
 126 {
 127         int a, b, c, d;
 128
 129         if (sscanf(str, "%d.%d.%d.%d", &a, &b, &c, &d) == 4 &&
 130             (a & ~0xff) == 0 && (b & ~0xff) == 0 &&
 131             (c & ~0xff) == 0 && (d & ~0xff) == 0) {
 132                 *ipaddrp = (a << 24) | (b << 16) | (c << 8) | d;
 133
 134                 return 0;
 135         }
 136
 137         return -1;
 138 }
 139
 140 int
 141 lnet_parse_ipaddr(__u32 *ipaddrp, char *str)
 142 {
 143 #ifdef HAVE_GETHOSTBYNAME
 144         struct hostent *he;
 145 #endif
 146
 147         if (!strcmp(str, "_all_")) {
 148                 *ipaddrp = 0;
 149                 return 0;
 150         }
 151
 152         if (lnet_parse_ipquad(ipaddrp, str) == 0)
 153                 return 0;
 154
 155 #ifdef HAVE_GETHOSTBYNAME
 156         if ((('a' <= str[0] && str[0] <= 'z') ||
 157              ('A' <= str[0] && str[0] <= 'Z')) &&
 158               (he = ptl_gethostbyname(str)) != NULL) {
 159                 __u32 addr = *(__u32 *)he->h_addr;
 160
 161                 *ipaddrp = ntohl(addr);         /* HOST byte order */
 162                 return 0;
 163         }
 164 #endif
 165
 166         return -1;
 167 }
 168
 169 char *
 170 ptl_ipaddr_2_str(__u32 ipaddr, char *str, size_t strsize, int lookup)
 171 {
 172 #ifdef HAVE_GETHOSTBYNAME
 173         __u32 net_ip;
 174         struct hostent *he;
 175
 176         if (lookup) {
 177                 net_ip = htonl(ipaddr);
 178                 he = gethostbyaddr(&net_ip, sizeof(net_ip), AF_INET);
 179                 if (he) {
 180                         snprintf(str, strsize, "%s", he->h_name);
 181                         return str;
 182                 }
 183         }
 184 #endif
 185
 186         sprintf(str, "%d.%d.%d.%d",
 187                 (ipaddr >> 24) & 0xff, (ipaddr >> 16) & 0xff,
 188                 (ipaddr >> 8) & 0xff, ipaddr & 0xff);
 189         return str;
 190 }
 191
 192 int
 193 lnet_parse_time(time_t *t, char *str)
 194 {
 195         char *end;
 196         int n;
 197         struct tm tm;
 198
 199         *t = strtol(str, &end, 0);
 200         if (*end == 0) /* parsed whole string */
 201                 return 0;
 202
 203         memset(&tm, 0, sizeof(tm));
 204         n = sscanf(str, "%d-%d-%d-%d:%d:%d",
 205                    &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
 206                    &tm.tm_hour, &tm.tm_min, &tm.tm_sec);
 207         if (n != 6)
 208                 return -1;
 209
 210         tm.tm_mon--;                    /* convert to 0 == Jan */
 211         tm.tm_year -= 1900;             /* y2k quirk */
 212         tm.tm_isdst = -1;               /* dunno if it's daylight savings... */
 213
 214         *t = mktime(&tm);
 215         if (*t == (time_t)-1)
 216                 return -1;
 217
 218         return 0;
 219 }
 220
 221 int
 222 lnet_parse_nid(char *nid_str, struct lnet_process_id *id_ptr)
 223 {
 224         id_ptr->pid = LNET_PID_ANY;
 225         id_ptr->nid = libcfs_str2nid(nid_str);
 226         if (id_ptr->nid == LNET_NID_ANY) {
 227                 fprintf(stderr, "Can't parse nid \"%s\"\n", nid_str);
 228                 return -1;
 229         }
 230
 231         return 0;
 232 }
 233
 234 static int g_net_is_set(char *cmd)
 235 {
 236         if (g_net_set)
 237                 return 1;
 238
 239         if (cmd) {
 240                 char *net;
 241
 242                 if (g_net_interactive)
 243                         net = "network";
 244                 else
 245                         net = "--net";
 246
 247                 fprintf(stderr,
 248                         "You must run '%s <network>' command before '%s'\n",
 249                         cmd, net);
 250                 return 0;
 251         }
 252
 253         return 0;
 254 }
 255
 256 static int g_net_is_compatible(char *cmd, ...)
 257 {
 258         va_list ap;
 259         int nal;
 260
 261         if (!g_net_is_set(cmd))
 262                 return 0;
 263
 264         va_start(ap, cmd);
 265
 266         do {
 267                 nal = va_arg(ap, int);
 268                 if (nal == LNET_NETTYP(g_net)) {
 269                         va_end(ap);
 270                         return 1;
 271                 }
 272         } while (nal != 0);
 273
 274         va_end(ap);
 275
 276         if (cmd)
 277                 fprintf(stderr, "Command %s not compatible with %s NAL\n",
 278                         cmd, libcfs_lnd2str(LNET_NETTYP(g_net)));
 279
 280         return 0;
 281 }
 282
 283 int ptl_initialize(int argc, char **argv)
 284 {
 285         if (argc > 1)
 286                 g_net_interactive = true;
 287
 288         register_ioc_dev(LNET_DEV_ID, LNET_DEV_PATH);
 289
 290         return 0;
 291 }
 292
 293 int jt_ptl_network(int argc, char **argv)
 294 {
 295         struct libcfs_ioctl_data data;
 296         __u32 net = LNET_NET_ANY;
 297         int rc;
 298
 299         if (argc != 2) {
 300                 fprintf(stderr, "usage: %s <net>|up|down\n", argv[0]);
 301                 return -1;
 302         }
 303
 304         if (!strcmp(argv[1], "unconfigure") || !strcmp(argv[1], "down")) {
 305                 LIBCFS_IOC_INIT(data);
 306                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_UNCONFIGURE, &data);
 307
 308                 if (rc == 0) {
 309                         printf("LNET ready to unload\n");
 310                         return 0;
 311                 }
 312
 313                 if (errno == ENODEV) {
 314                         printf("LNET is currently not loaded.");
 315                         return 0;
 316                 }
 317
 318                 if (errno == EBUSY)
 319                         fprintf(stderr, "LNET busy\n");
 320                 else
 321                         fprintf(stderr, "LNET unconfigure error %d: %s\n",
 322                                 errno, strerror(errno));
 323                 return -1;
 324         } else if (!strcmp(argv[1], "configure") || !strcmp(argv[1], "up")) {
 325                 LIBCFS_IOC_INIT(data);
 326                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIGURE, &data);
 327
 328                 if (rc == 0) {
 329                         printf("LNET configured\n");
 330                         return 0;
 331                 }
 332
 333                 fprintf(stderr, "LNET configure error %d: %s\n",
 334                         errno, strerror(errno));
 335                 return -1;
 336         }
 337
 338         net = libcfs_str2net(argv[1]);
 339         if (net == LNET_NET_ANY) {
 340                 fprintf(stderr, "Can't parse net %s\n", argv[1]);
 341                 return -1;
 342         }
 343
 344         g_net_set = true;
 345         g_net = net;
 346         return 0;
 347 }
 348
 349 #ifndef IOC_LIBCFS_GET_NI
 350 #define IOC_LIBCFS_GET_NI       _IOWR('e', 50, IOCTL_LIBCFS_TYPE)
 351 #endif
 352
 353 int
 354 jt_ptl_list_nids(int argc, char **argv)
 355 {
 356         struct libcfs_ioctl_data data;
 357         int all = 0, return_nid = 0;
 358         yaml_emitter_t request;
 359         yaml_parser_t reply;
 360         yaml_event_t event;
 361         struct nl_sock *sk;
 362         bool done = false;
 363         int rc = 0;
 364         int count;
 365
 366         all = (argc == 2) && (strcmp(argv[1], "all") == 0);
 367         /* Hack to pass back value */
 368         return_nid = (argc == 2) && (argv[1][0] == 1);
 369
 370         if ((argc > 2) && !(all || return_nid)) {
 371                 fprintf(stderr, "usage: %s [all]\n", argv[0]);
 372                 return 0;
 373         }
 374
 375         sk = nl_socket_alloc();
 376         if (!sk)
 377                 goto old_api;
 378
 379         /* Setup parser to receive Netlink packets */
 380         rc = yaml_parser_initialize(&reply);
 381         if (rc == 0) {
 382                 yaml_parser_log_error(&reply, stderr, NULL);
 383                 goto old_api;
 384         }
 385
 386         rc = yaml_parser_set_input_netlink(&reply, sk, false);
 387         if (rc == 0) {
 388                 yaml_parser_log_error(&reply, stderr, NULL);
 389                 yaml_parser_delete(&reply);
 390                 goto old_api;
 391         }
 392
 393         /* Create Netlink emitter to send request to kernel */
 394         rc = yaml_emitter_initialize(&request);
 395         if (rc == 0) {
 396                 yaml_parser_log_error(&reply, stderr, NULL);
 397                 yaml_parser_delete(&reply);
 398                 goto old_api;
 399         }
 400
 401         rc = yaml_emitter_set_output_netlink(&request, sk, LNET_GENL_NAME, 1,
 402                                              LNET_CMD_NETS, NLM_F_DUMP);
 403         if (rc == 0) {
 404                 yaml_emitter_log_error(&request, stderr);
 405                 yaml_emitter_delete(&request);
 406                 yaml_parser_delete(&reply);
 407                 goto old_api;
 408         }
 409
 410         yaml_emitter_open(&request);
 411         yaml_document_start_event_initialize(&event, NULL, NULL, NULL, 0);
 412         rc = yaml_emitter_emit(&request, &event);
 413         if (rc == 0)
 414                 goto emitter_error;
 415
 416         yaml_mapping_start_event_initialize(&event, NULL,
 417                                             (yaml_char_t *)YAML_MAP_TAG,
 418                                             1, YAML_ANY_MAPPING_STYLE);
 419         rc = yaml_emitter_emit(&request, &event);
 420         if (rc == 0)
 421                 goto emitter_error;
 422
 423         yaml_scalar_event_initialize(&event, NULL,
 424                                      (yaml_char_t *)YAML_STR_TAG,
 425                                      (yaml_char_t *)"net",
 426                                      strlen("net"), 1, 0,
 427                                      YAML_PLAIN_SCALAR_STYLE);
 428         rc = yaml_emitter_emit(&request, &event);
 429         if (rc == 0)
 430                 goto emitter_error;
 431
 432         /* no net_id */
 433         if (!g_net_set || g_net == LNET_NET_ANY) {
 434                 yaml_scalar_event_initialize(&event, NULL,
 435                                              (yaml_char_t *)YAML_STR_TAG,
 436                                              (yaml_char_t *)"",
 437                                              strlen(""), 1, 0,
 438                                              YAML_PLAIN_SCALAR_STYLE);
 439                 rc = yaml_emitter_emit(&request, &event);
 440                 if (rc == 0)
 441                         goto emitter_error;
 442         } else {
 443                 char *net_id = libcfs_net2str(g_net);
 444
 445                 yaml_sequence_start_event_initialize(&event, NULL,
 446                                                      (yaml_char_t *)YAML_SEQ_TAG,
 447                                                      1, YAML_ANY_SEQUENCE_STYLE);
 448                 rc = yaml_emitter_emit(&request, &event);
 449                 if (rc == 0)
 450                         goto emitter_error;
 451
 452                 yaml_mapping_start_event_initialize(&event, NULL,
 453                                                     (yaml_char_t *)YAML_MAP_TAG,
 454                                                     1, YAML_ANY_MAPPING_STYLE);
 455                 rc = yaml_emitter_emit(&request, &event);
 456                 if (rc == 0)
 457                         goto emitter_error;
 458
 459                 yaml_scalar_event_initialize(&event, NULL,
 460                                              (yaml_char_t *)YAML_STR_TAG,
 461                                              (yaml_char_t *)"net type",
 462                                              strlen("net type"),
 463                                              1, 0, YAML_PLAIN_SCALAR_STYLE);
 464                 rc = yaml_emitter_emit(&request, &event);
 465                 if (rc == 0)
 466                         goto emitter_error;
 467
 468                 yaml_scalar_event_initialize(&event, NULL,
 469                                              (yaml_char_t *)YAML_STR_TAG,
 470                                              (yaml_char_t *)net_id,
 471                                              strlen(net_id), 1, 0,
 472                                              YAML_PLAIN_SCALAR_STYLE);
 473                 rc = yaml_emitter_emit(&request, &event);
 474                 if (rc == 0)
 475                         goto emitter_error;
 476
 477                 yaml_mapping_end_event_initialize(&event);
 478                 rc = yaml_emitter_emit(&request, &event);
 479                 if (rc == 0)
 480                         goto emitter_error;
 481
 482                 yaml_sequence_end_event_initialize(&event);
 483                 rc = yaml_emitter_emit(&request, &event);
 484                 if (rc == 0)
 485                         goto emitter_error;
 486         }
 487         yaml_mapping_end_event_initialize(&event);
 488         rc = yaml_emitter_emit(&request, &event);
 489         if (rc == 0)
 490                 goto emitter_error;
 491
 492         yaml_document_end_event_initialize(&event, 0);
 493         rc = yaml_emitter_emit(&request, &event);
 494         if (rc == 0)
 495                 goto emitter_error;
 496
 497         rc = yaml_emitter_close(&request);
 498 emitter_error:
 499         if (rc == 0) {
 500                 yaml_emitter_log_error(&request, stderr);
 501                 rc = -EINVAL;
 502         }
 503         yaml_emitter_delete(&request);
 504
 505         while (!done) {
 506                 rc = yaml_parser_parse(&reply, &event);
 507                 if (rc == 0)
 508                         break;
 509
 510                 if (event.type == YAML_SCALAR_EVENT &&
 511                     strcmp((char *)event.data.scalar.value, "nid") == 0) {
 512                         char *tmp;
 513
 514                         yaml_event_delete(&event);
 515                         rc = yaml_parser_parse(&reply, &event);
 516                         if (rc == 0) {
 517                                 yaml_event_delete(&event);
 518                                 break;
 519                         }
 520
 521                         tmp = (char *)event.data.scalar.value;
 522                         if (all || strcmp(tmp, "0@lo") != 0) {
 523                                 printf("%s\n", tmp);
 524                                 if (return_nid) {
 525                                         *(__u64 *)(argv[1]) = libcfs_str2nid(tmp);
 526                                         return_nid--;
 527                                 }
 528                         }
 529                 }
 530                 done = (event.type == YAML_STREAM_END_EVENT);
 531                 yaml_event_delete(&event);
 532         }
 533
 534         if (rc == 0)
 535                 yaml_parser_log_error(&reply, stderr, NULL);
 536         yaml_parser_delete(&reply);
 537 old_api:
 538         if (sk)
 539                 nl_socket_free(sk);
 540         if (rc == 1)
 541                 return 0;
 542
 543         for (count = 0;; count++) {
 544                 LIBCFS_IOC_INIT(data);
 545                 data.ioc_count = count;
 546                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_NI, &data);
 547
 548                 if (rc < 0) {
 549                         if ((count > 0) && (errno == ENOENT))
 550                                 /* We found them all */
 551                                 break;
 552                         fprintf(stderr, "IOC_LIBCFS_GET_NI error %d: %s\n",
 553                                 errno, strerror(errno));
 554                         return -1;
 555                 }
 556
 557                 if (all || (data.ioc_nid != LNET_NID_LO_0)) {
 558                         printf("%s\n", libcfs_nid2str(data.ioc_nid));
 559                         if (return_nid) {
 560                                 *(__u64 *)(argv[1]) = data.ioc_nid;
 561                                 return_nid--;
 562                         }
 563                 }
 564         }
 565
 566         return 0;
 567 }
 568
 569 int
 570 jt_ptl_which_nid(int argc, char **argv)
 571 {
 572         struct libcfs_ioctl_data data;
 573         int best_dist = 0;
 574         int best_order = 0;
 575         lnet_nid_t   best_nid = LNET_NID_ANY;
 576         int dist;
 577         int order;
 578         lnet_nid_t nid;
 579         char *nidstr;
 580         int rc;
 581         int i;
 582
 583         if (argc < 2) {
 584                 fprintf(stderr, "usage: %s NID [NID...]\n", argv[0]);
 585                 return 0;
 586         }
 587
 588         for (i = 1; i < argc; i++) {
 589                 nidstr = argv[i];
 590                 nid = libcfs_str2nid(nidstr);
 591                 if (nid == LNET_NID_ANY) {
 592                         fprintf(stderr, "Can't parse NID %s\n", nidstr);
 593                         return -1;
 594                 }
 595
 596                 LIBCFS_IOC_INIT(data);
 597                 data.ioc_nid = nid;
 598
 599                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_DIST, &data);
 600                 if (rc != 0) {
 601                         fprintf(stderr, "Can't get distance to %s: %s\n",
 602                                 nidstr, strerror(errno));
 603                         return -1;
 604                 }
 605
 606                 dist = data.ioc_u32[0];
 607                 order = data.ioc_u32[1];
 608
 609                 if (dist < 0) {
 610                         if (dist == -EHOSTUNREACH)
 611                                 continue;
 612
 613                         fprintf(stderr, "Unexpected distance to %s: %d\n",
 614                                 nidstr, dist);
 615                         return -1;
 616                 }
 617
 618                 if (best_nid == LNET_NID_ANY ||
 619                     dist < best_dist ||
 620                     (dist == best_dist && order < best_order)) {
 621                         best_dist = dist;
 622                         best_order = order;
 623                         best_nid = nid;
 624                 }
 625         }
 626
 627         if (best_nid == LNET_NID_ANY) {
 628                 fprintf(stderr, "No reachable NID\n");
 629                 return -1;
 630         }
 631
 632         printf("%s\n", libcfs_nid2str(best_nid));
 633         return 0;
 634 }
 635
 636 int
 637 jt_ptl_print_interfaces(int argc, char **argv)
 638 {
 639         struct libcfs_ioctl_data data;
 640         char buffer[3][HOST_NAME_MAX + 1];
 641         int index;
 642         int rc;
 643
 644         if (!g_net_is_compatible(argv[0], SOCKLND, 0))
 645                 return -1;
 646
 647         for (index = 0; ; index++) {
 648                 LIBCFS_IOC_INIT(data);
 649                 data.ioc_net   = g_net;
 650                 data.ioc_count = index;
 651
 652                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_INTERFACE, &data);
 653                 if (rc != 0)
 654                         break;
 655
 656                 printf("%s: (%s/%s) npeer %d nroute %d\n",
 657                        ptl_ipaddr_2_str(data.ioc_u32[0], buffer[2],
 658                                         sizeof(buffer[2]), 1),
 659                        ptl_ipaddr_2_str(data.ioc_u32[0], buffer[0],
 660                                         sizeof(buffer[0]), 0),
 661                        ptl_ipaddr_2_str(data.ioc_u32[1], buffer[1],
 662                                         sizeof(buffer[1]), 0),
 663                        data.ioc_u32[2], data.ioc_u32[3]);
 664         }
 665
 666         if (index == 0) {
 667                 if (errno == ENOENT) {
 668                         printf("<no interfaces>\n");
 669                 } else {
 670                         fprintf(stderr,
 671                                 "Error getting interfaces: %s: check dmesg.\n",
 672                                 strerror(errno));
 673                 }
 674         }
 675
 676         return 0;
 677 }
 678
 679 int
 680 jt_ptl_add_interface(int argc, char **argv)
 681 {
 682         struct libcfs_ioctl_data data;
 683         __u32 ipaddr;
 684         int rc;
 685         __u32 netmask = 0xffffff00;
 686         int i;
 687         int count;
 688         char *end;
 689
 690         if (argc < 2 || argc > 3) {
 691                 fprintf(stderr, "usage: %s ipaddr [netmask]\n", argv[0]);
 692                 return 0;
 693         }
 694
 695         if (!g_net_is_compatible(argv[0], SOCKLND, 0))
 696                 return -1;
 697
 698         if (lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
 699                 fprintf(stderr, "Can't parse ip: %s\n", argv[1]);
 700                 return -1;
 701         }
 702
 703         if (argc > 2) {
 704                 count = strtol(argv[2], &end, 0);
 705                 if (count > 0 && count < 32 && *end == 0) {
 706                         netmask = 0;
 707                         for (i = count; i > 0; i--)
 708                                 netmask = netmask | (1 << (32 - i));
 709                 } else if (lnet_parse_ipquad(&netmask, argv[2]) != 0) {
 710                         fprintf(stderr, "Can't parse netmask: %s\n", argv[2]);
 711                         return -1;
 712                 }
 713         }
 714
 715         LIBCFS_IOC_INIT(data);
 716         data.ioc_net    = g_net;
 717         data.ioc_u32[0] = ipaddr;
 718         data.ioc_u32[1] = netmask;
 719
 720         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_INTERFACE, &data);
 721         if (rc != 0) {
 722                 fprintf(stderr, "failed to add interface: %s\n",
 723                         strerror(errno));
 724                 return -1;
 725         }
 726
 727         return 0;
 728 }
 729
 730 int
 731 jt_ptl_del_interface(int argc, char **argv)
 732 {
 733         struct libcfs_ioctl_data data;
 734         int rc;
 735         __u32 ipaddr = 0;
 736
 737         if (argc > 2) {
 738                 fprintf(stderr, "usage: %s [ipaddr]\n", argv[0]);
 739                 return 0;
 740         }
 741
 742         if (!g_net_is_compatible(argv[0], SOCKLND, 0))
 743                 return -1;
 744
 745         if (argc == 2 &&
 746             lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
 747                 fprintf(stderr, "Can't parse ip: %s\n", argv[1]);
 748                 return -1;
 749         }
 750
 751         LIBCFS_IOC_INIT(data);
 752         data.ioc_net    = g_net;
 753         data.ioc_u32[0] = ipaddr;
 754
 755         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_INTERFACE, &data);
 756         if (rc != 0) {
 757                 fprintf(stderr, "failed to delete interface: %s\n",
 758                         strerror(errno));
 759                 return -1;
 760         }
 761
 762         return 0;
 763 }
 764
 765 int
 766 jt_ptl_print_peers(int argc, char **argv)
 767 {
 768         struct libcfs_ioctl_data data;
 769         struct lnet_process_id id;
 770         char buffer[2][HOST_NAME_MAX + 1];
 771         int index;
 772         int rc;
 773
 774         if (!g_net_is_compatible(argv[0], SOCKLND, O2IBLND, GNILND,
 775                                  PTL4LND, 0))
 776                 return -1;
 777
 778         for (index = 0; ; index++) {
 779                 LIBCFS_IOC_INIT(data);
 780                 data.ioc_net     = g_net;
 781                 data.ioc_count   = index;
 782
 783                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER, &data);
 784                 if (rc != 0)
 785                         break;
 786
 787                 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
 788                         id.nid = data.ioc_nid;
 789                         id.pid = data.ioc_u32[4];
 790                         printf("%-20s [%d]%s->%s:%d #%d\n",
 791                                libcfs_id2str(id),
 792                                data.ioc_count, /* persistence */
 793                                /* my ip */
 794                                ptl_ipaddr_2_str(data.ioc_u32[2], buffer[0],
 795                                                 sizeof(buffer[0]), 1),
 796                                /* peer ip */
 797                                ptl_ipaddr_2_str(data.ioc_u32[0], buffer[1],
 798                                                 sizeof(buffer[1]), 1),
 799                                data.ioc_u32[1], /* peer port */
 800                                data.ioc_u32[3]); /* conn_count */
 801                 } else if (g_net_is_compatible(NULL, GNILND, 0)) {
 802                         int disconn = data.ioc_flags >> 16;
 803                         char *state;
 804
 805                         if (disconn)
 806                                 state = "D";
 807                         else
 808                                 state = data.ioc_flags & 0xffff ? "C" : "U";
 809
 810                         printf("%-20s (%d) %s [%d] %ju sq %d/%d tx %d/%d/%d\n",
 811                                libcfs_nid2str(data.ioc_nid), /* peer nid */
 812                                data.ioc_net, /* gemini device id */
 813                                state, /* peer is Connecting, Up, or Down */
 814                                data.ioc_count,   /* peer refcount */
 815                                (uintmax_t)data.ioc_u64[0], /* peerstamp */
 816                                data.ioc_u32[2], data.ioc_u32[3], /* tx and rx seq */
 817                                /* fmaq, nfma, nrdma */
 818                                data.ioc_u32[0], data.ioc_u32[1],
 819                                data.ioc_u32[4]);
 820                 } else {
 821                         printf("%-20s [%d]\n",
 822                                libcfs_nid2str(data.ioc_nid), data.ioc_count);
 823                 }
 824         }
 825
 826         if (index == 0) {
 827                 if (errno == ENOENT) {
 828                         printf("<no peers>\n");
 829                 } else {
 830                         fprintf(stderr,
 831                                 "Error getting peer list: %s: check dmesg.\n",
 832                                 strerror(errno));
 833                 }
 834         }
 835         return 0;
 836 }
 837
 838 int jt_ptl_add_peer(int argc, char **argv)
 839 {
 840         struct libcfs_ioctl_data data;
 841         lnet_nid_t nid;
 842         __u32 ip = 0;
 843         int port = 0;
 844         int rc;
 845
 846         if (!g_net_is_compatible(argv[0], SOCKLND, GNILND, 0))
 847                 return -1;
 848
 849         if (argc != 4) {
 850                 fprintf(stderr, "usage(tcp,gni): %s nid ipaddr port\n",
 851                         argv[0]);
 852                 return 0;
 853         }
 854
 855         nid = libcfs_str2nid(argv[1]);
 856         if (nid == LNET_NID_ANY) {
 857                 fprintf(stderr, "Can't parse NID: %s\n", argv[1]);
 858                 return -1;
 859         }
 860
 861         if (lnet_parse_ipaddr(&ip, argv[2]) != 0) {
 862                 fprintf(stderr, "Can't parse ip addr: %s\n", argv[2]);
 863                 return -1;
 864         }
 865
 866         if (lnet_parse_port(&port, argv[3]) != 0) {
 867                 fprintf(stderr, "Can't parse port: %s\n", argv[3]);
 868                 return -1;
 869         }
 870
 871         LIBCFS_IOC_INIT(data);
 872         data.ioc_net    = g_net;
 873         data.ioc_nid    = nid;
 874         data.ioc_u32[0] = ip;
 875         data.ioc_u32[1] = port;
 876
 877         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_PEER, &data);
 878         if (rc != 0) {
 879                 fprintf(stderr, "failed to add peer: %s\n",
 880                         strerror(errno));
 881                 return -1;
 882         }
 883
 884         return 0;
 885 }
 886
 887 int
 888 jt_ptl_del_peer(int argc, char **argv)
 889 {
 890         struct libcfs_ioctl_data data;
 891         lnet_nid_t nid = LNET_NID_ANY;
 892         lnet_pid_t pid = LNET_PID_ANY;
 893         __u32 ip = 0;
 894         int rc;
 895
 896         if (!g_net_is_compatible(argv[0], SOCKLND, O2IBLND, GNILND,
 897                                  PTL4LND, 0))
 898                 return -1;
 899
 900         if (g_net_is_compatible(NULL, SOCKLND, 0)) {
 901                 if (argc > 3) {
 902                         fprintf(stderr, "usage: %s [nid] [ipaddr]\n", argv[0]);
 903                         return 0;
 904                 }
 905         } else if (argc > 2) {
 906                 fprintf(stderr, "usage: %s [nid]\n", argv[0]);
 907                 return 0;
 908         }
 909
 910         if (argc > 1 && !libcfs_str2anynid(&nid, argv[1])) {
 911                 fprintf(stderr, "Can't parse nid: %s\n", argv[1]);
 912                 return -1;
 913         }
 914
 915         if (g_net_is_compatible(NULL, SOCKLND, 0)) {
 916                 if (argc > 2 && lnet_parse_ipaddr(&ip, argv[2]) != 0) {
 917                         fprintf(stderr, "Can't parse ip addr: %s\n", argv[2]);
 918                         return -1;
 919                 }
 920         }
 921
 922         LIBCFS_IOC_INIT(data);
 923         data.ioc_net    = g_net;
 924         data.ioc_nid    = nid;
 925         data.ioc_u32[0] = ip;
 926         data.ioc_u32[1] = pid;
 927
 928         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_PEER, &data);
 929         if (rc != 0) {
 930                 fprintf(stderr, "failed to remove peer: %s\n", strerror(errno));
 931                 return -1;
 932         }
 933
 934         return 0;
 935 }
 936
 937 int
 938 jt_ptl_print_connections(int argc, char **argv)
 939 {
 940         struct libcfs_ioctl_data data;
 941         struct lnet_process_id id;
 942         char buffer[2][HOST_NAME_MAX + 1];
 943         int index;
 944         int rc;
 945
 946         if (!g_net_is_compatible(argv[0], SOCKLND, O2IBLND, GNILND, 0))
 947                 return -1;
 948
 949         for (index = 0; ; index++) {
 950                 LIBCFS_IOC_INIT(data);
 951                 data.ioc_net     = g_net;
 952                 data.ioc_count   = index;
 953
 954                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_CONN, &data);
 955                 if (rc != 0)
 956                         break;
 957
 958                 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
 959                         id.nid = data.ioc_nid;
 960                         id.pid = data.ioc_u32[6];
 961                         printf("%-20s %s[%d]%s->%s:%d %d/%d %s\n",
 962                                libcfs_id2str(id),
 963                                (data.ioc_u32[3] == SOCKLND_CONN_ANY) ? "A" :
 964                                (data.ioc_u32[3] == SOCKLND_CONN_CONTROL) ? "C" :
 965                                (data.ioc_u32[3] == SOCKLND_CONN_BULK_IN) ? "I" :
 966                          (data.ioc_u32[3] == SOCKLND_CONN_BULK_OUT) ? "O" : "?",
 967                                data.ioc_u32[4], /* scheduler */
 968                                /* local IP addr */
 969                                ptl_ipaddr_2_str(data.ioc_u32[2], buffer[0],
 970                                                 sizeof(buffer[0]), 1),
 971                                /* remote IP addr */
 972                                ptl_ipaddr_2_str(data.ioc_u32[0], buffer[1],
 973                                                 sizeof(buffer[1]), 1),
 974                                data.ioc_u32[1],         /* remote port */
 975                                data.ioc_count, /* tx buffer size */
 976                                data.ioc_u32[5], /* rx buffer size */
 977                                data.ioc_flags ? "nagle" : "nonagle");
 978                 } else if (g_net_is_compatible(NULL, O2IBLND, 0)) {
 979                         printf("%s mtu %d\n",
 980                                libcfs_nid2str(data.ioc_nid),
 981                                data.ioc_u32[0]); /* path MTU */
 982                 } else if (g_net_is_compatible(NULL, GNILND, 0)) {
 983                         printf("%-20s [%d]\n",
 984                                libcfs_nid2str(data.ioc_nid),
 985                                data.ioc_u32[0] /* device id */);
 986                 } else {
 987                         printf("%s\n", libcfs_nid2str(data.ioc_nid));
 988                 }
 989         }
 990
 991         if (index == 0) {
 992                 if (errno == ENOENT) {
 993                         printf("<no connections>\n");
 994                 } else {
 995                         fprintf(stderr,
 996                                 "Error getting connection list: %s: check dmesg.\n",
 997                                 strerror(errno));
 998                 }
 999         }
1000         return 0;
1001 }
1002
1003 int jt_ptl_disconnect(int argc, char **argv)
1004 {
1005         struct libcfs_ioctl_data data;
1006         lnet_nid_t nid = LNET_NID_ANY;
1007         __u32 ipaddr = 0;
1008         int rc;
1009
1010         if (argc > 3) {
1011                 fprintf(stderr, "usage: %s [nid] [ipaddr]\n", argv[0]);
1012                 return 0;
1013         }
1014
1015         if (!g_net_is_compatible(NULL, SOCKLND, O2IBLND, GNILND, 0))
1016                 return 0;
1017
1018         if (argc >= 2 && !libcfs_str2anynid(&nid, argv[1])) {
1019                 fprintf(stderr, "Can't parse nid %s\n", argv[1]);
1020                 return -1;
1021         }
1022
1023         if (g_net_is_compatible(NULL, SOCKLND, 0) && argc >= 3 &&
1024             lnet_parse_ipaddr(&ipaddr, argv[2]) != 0) {
1025                 fprintf(stderr, "Can't parse ip addr %s\n", argv[2]);
1026                 return -1;
1027         }
1028
1029         LIBCFS_IOC_INIT(data);
1030         data.ioc_net     = g_net;
1031         data.ioc_nid     = nid;
1032         data.ioc_u32[0]  = ipaddr;
1033
1034         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CLOSE_CONNECTION, &data);
1035         if (rc != 0) {
1036                 fprintf(stderr, "failed to remove connection: %s\n",
1037                         strerror(errno));
1038                 return -1;
1039         }
1040
1041         return 0;
1042 }
1043
1044 int jt_ptl_push_connection(int argc, char **argv)
1045 {
1046         struct libcfs_ioctl_data data;
1047         int rc;
1048         lnet_nid_t nid = LNET_NID_ANY;
1049
1050         if (argc > 2) {
1051                 fprintf(stderr, "usage: %s [nid]\n", argv[0]);
1052                 return 0;
1053         }
1054
1055         if (!g_net_is_compatible(argv[0], SOCKLND, GNILND, 0))
1056                 return -1;
1057
1058         if (argc > 1 && !libcfs_str2anynid(&nid, argv[1])) {
1059                 fprintf(stderr, "Can't parse nid: %s\n", argv[1]);
1060                 return -1;
1061         }
1062
1063         LIBCFS_IOC_INIT(data);
1064         data.ioc_net     = g_net;
1065         data.ioc_nid     = nid;
1066
1067         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PUSH_CONNECTION, &data);
1068         if (rc != 0) {
1069                 fprintf(stderr, "failed to push connection: %s\n",
1070                         strerror(errno));
1071                 return -1;
1072         }
1073
1074         return 0;
1075 }
1076
1077 #ifndef IOC_LIBCFS_PING_PEER
1078 #define IOC_LIBCFS_PING_PEER            _IOWR('e', 62, IOCTL_LIBCFS_TYPE)
1079 #endif
1080
1081 int jt_ptl_ping(int argc, char **argv)
1082 {
1083         bool done = false, print = true;
1084         int rc;
1085         int timeout;
1086         struct lnet_process_id id;
1087         struct lnet_process_id ids[LNET_INTERFACES_MAX_DEFAULT];
1088         lnet_nid_t src = LNET_NID_ANY;
1089         int maxids = sizeof(ids) / sizeof(ids[0]);
1090         struct lnet_ioctl_ping_data ping = { { 0 } };
1091         yaml_emitter_t request;
1092         yaml_parser_t reply;
1093         yaml_event_t event;
1094         struct nl_sock *sk;
1095         char *sep;
1096         int i;
1097
1098         if (argc < 2) {
1099                 fprintf(stderr, "usage: %s id [timeout (secs)]\n", argv[0]);
1100                 return -EINVAL;
1101         }
1102
1103         sep = strchr(argv[1], '-');
1104         if (!sep) {
1105                 rc = lnet_parse_nid(argv[1], &id);
1106                 if (rc != 0)
1107                         return -EINVAL;
1108         } else {
1109                 char   *end;
1110
1111                 if (argv[1][0] == 'u' || argv[1][0] == 'U')
1112                         id.pid = strtoul(&argv[1][1], &end, 0) |
1113                                 LNET_PID_USERFLAG;
1114                 else
1115                         id.pid = strtoul(argv[1], &end, 0);
1116
1117                 if (end != sep) { /* assuming '-' is part of hostname */
1118                         rc = lnet_parse_nid(argv[1], &id);
1119                         if (rc != 0)
1120                                 return -EINVAL;
1121                 } else {
1122                         id.nid = libcfs_str2nid(sep + 1);
1123
1124                         if (id.nid == LNET_NID_ANY) {
1125                                 fprintf(stderr,
1126                                         "Can't parse process id \"%s\"\n",
1127                                         argv[1]);
1128                                 return -EINVAL;
1129                         }
1130                 }
1131         }
1132
1133         if (argc > 2) {
1134                 timeout = 1000 * atol(argv[2]);
1135                 if (timeout > 120 * 1000) {
1136                         fprintf(stderr, "Timeout %s is to large\n",
1137                                 argv[2]);
1138                         return -EINVAL;
1139                 }
1140         } else {
1141                 timeout = 1000; /* default 1 second timeout */
1142         }
1143
1144         /* Create Netlink emitter to send request to kernel */
1145         sk = nl_socket_alloc();
1146         if (!sk)
1147                 goto old_api;
1148
1149         /* Setup parser to recieve Netlink packets */
1150         rc = yaml_parser_initialize(&reply);
1151         if (rc == 0)
1152                 goto old_api;
1153
1154         rc = yaml_parser_set_input_netlink(&reply, sk, false);
1155         if (rc == 0)
1156                 goto free_reply;
1157
1158         /* Create Netlink emitter to send request to kernel */
1159         rc = yaml_emitter_initialize(&request);
1160         if (rc == 0)
1161                 goto free_reply;
1162
1163         rc = yaml_emitter_set_output_netlink(&request, sk, LNET_GENL_NAME,
1164                                              LNET_GENL_VERSION, LNET_CMD_PING,
1165                                              NLM_F_DUMP);
1166         if (rc == 0)
1167                 goto emitter_error;
1168
1169         yaml_emitter_open(&request);
1170         yaml_document_start_event_initialize(&event, NULL, NULL, NULL, 0);
1171         rc = yaml_emitter_emit(&request, &event);
1172         if (rc == 0)
1173                 goto emitter_error;
1174
1175         yaml_mapping_start_event_initialize(&event, NULL,
1176                                             (yaml_char_t *)YAML_MAP_TAG,
1177                                             1, YAML_ANY_MAPPING_STYLE);
1178         rc = yaml_emitter_emit(&request, &event);
1179         if (rc == 0)
1180                 goto emitter_error;
1181
1182         yaml_scalar_event_initialize(&event, NULL,
1183                                      (yaml_char_t *)YAML_STR_TAG,
1184                                      (yaml_char_t *)"ping",
1185                                      strlen("ping"), 1, 0,
1186                                      YAML_PLAIN_SCALAR_STYLE);
1187         rc = yaml_emitter_emit(&request, &event);
1188         if (rc == 0)
1189                 goto emitter_error;
1190
1191         yaml_mapping_start_event_initialize(&event, NULL,
1192                                             (yaml_char_t *)YAML_MAP_TAG,
1193                                             1, YAML_ANY_MAPPING_STYLE);
1194         rc = yaml_emitter_emit(&request, &event);
1195         if (rc == 0)
1196                 goto emitter_error;
1197
1198         if (timeout != 1000) {
1199                 yaml_scalar_event_initialize(&event, NULL,
1200                                              (yaml_char_t *)YAML_STR_TAG,
1201                                              (yaml_char_t *)"timeout",
1202                                              strlen("timeout"), 1, 0,
1203                                              YAML_PLAIN_SCALAR_STYLE);
1204                 rc = yaml_emitter_emit(&request, &event);
1205                 if (rc == 0)
1206                         goto emitter_error;
1207
1208                 yaml_scalar_event_initialize(&event, NULL,
1209                                              (yaml_char_t *)YAML_INT_TAG,
1210                                              (yaml_char_t *)argv[2],
1211                                              strlen(argv[2]), 1, 0,
1212                                              YAML_PLAIN_SCALAR_STYLE);
1213                 rc = yaml_emitter_emit(&request, &event);
1214                 if (rc == 0)
1215                         goto emitter_error;
1216         }
1217
1218         yaml_scalar_event_initialize(&event, NULL,
1219                                      (yaml_char_t *)YAML_STR_TAG,
1220                                      (yaml_char_t *)"nids",
1221                                      strlen("nids"), 1, 0,
1222                                      YAML_PLAIN_SCALAR_STYLE);
1223         rc = yaml_emitter_emit(&request, &event);
1224         if (rc == 0)
1225                 goto emitter_error;
1226
1227         yaml_sequence_start_event_initialize(&event, NULL,
1228                                              (yaml_char_t *)YAML_SEQ_TAG,
1229                                              1, YAML_FLOW_SEQUENCE_STYLE);
1230         rc = yaml_emitter_emit(&request, &event);
1231         if (rc == 0)
1232                 goto emitter_error;
1233
1234         /* convert NID to string, in case libcfs_str2nid() did name lookup */
1235         yaml_scalar_event_initialize(&event, NULL,
1236                                      (yaml_char_t *)YAML_STR_TAG,
1237                                      (yaml_char_t *)libcfs_nid2str(id.nid),
1238                                      strlen(libcfs_nid2str(id.nid)), 1, 0,
1239                                      YAML_PLAIN_SCALAR_STYLE);
1240         rc = yaml_emitter_emit(&request, &event);
1241         if (rc == 0)
1242                 goto emitter_error;
1243
1244         yaml_sequence_end_event_initialize(&event);
1245         rc = yaml_emitter_emit(&request, &event);
1246         if (rc == 0)
1247                 goto emitter_error;
1248
1249         yaml_mapping_end_event_initialize(&event);
1250         rc = yaml_emitter_emit(&request, &event);
1251         if (rc == 0)
1252                 goto emitter_error;
1253
1254         yaml_mapping_end_event_initialize(&event);
1255         rc = yaml_emitter_emit(&request, &event);
1256         if (rc == 0)
1257                 goto emitter_error;
1258
1259         yaml_document_end_event_initialize(&event, 0);
1260         rc = yaml_emitter_emit(&request, &event);
1261         if (rc == 0)
1262                 goto emitter_error;
1263
1264         rc = yaml_emitter_close(&request);
1265 emitter_error:
1266         if (rc == 0) {
1267                 yaml_emitter_log_error(&request, stderr);
1268                 rc = -EINVAL;
1269                 goto old_api;
1270         }
1271         yaml_emitter_delete(&request);
1272
1273         /* Now parse the reply results */
1274         while (!done) {
1275                 rc = yaml_parser_parse(&reply, &event);
1276                 if (rc == 0)
1277                         break;
1278
1279                 if (event.type != YAML_SCALAR_EVENT)
1280                         goto skip;
1281
1282                 if (strcmp((char *)event.data.scalar.value, "nid") == 0) {
1283                         yaml_event_delete(&event);
1284                         rc = yaml_parser_parse(&reply, &event);
1285                         if (rc == 0) {
1286                                 yaml_event_delete(&event);
1287                                 goto free_reply;
1288                         }
1289                         if (print) {
1290                                 /* Print 0@lo. Its not sent */
1291                                 printf("12345-0@lo\n");
1292                                 print = false;
1293                         }
1294                         printf("%s\n", (char *)event.data.scalar.value);
1295                 } else if (strcmp((char *)event.data.scalar.value,
1296                                   "errno") == 0) {
1297                         yaml_event_delete(&event);
1298                         rc = yaml_parser_parse(&reply, &event);
1299                         if (rc == 0) {
1300                                 yaml_event_delete(&event);
1301                                 goto free_reply;
1302                         }
1303                         rc = strtol((char *)event.data.scalar.value, NULL, 10);
1304                         fprintf(stdout, "failed to ping %s: %s\n",
1305                                 argv[1], strerror(-rc));
1306                         break; /* "rc" is clobbered if loop is run again */
1307                 }
1308 skip:
1309                 done = (event.type == YAML_STREAM_END_EVENT);
1310                 yaml_event_delete(&event);
1311         }
1312 free_reply:
1313         if (rc == 0) {
1314                 /* yaml_* functions return 0 for error */
1315                 const char *msg = yaml_parser_get_reader_error(&reply);
1316
1317                 rc = errno ? -errno : -EHOSTUNREACH;
1318                 if (strcmp(msg, "Unspecific failure") != 0) {
1319                         fprintf(stdout, "failed to ping %s: %s\n",
1320                                 argv[1], msg);
1321                 } else {
1322                         fprintf(stdout, "failed to ping %s: %s\n",
1323                                 argv[1], strerror(errno));
1324                 }
1325         } else if (rc == 1) {
1326                 /* yaml_* functions return 1 for success */
1327                 rc = 0;
1328         }
1329         yaml_parser_delete(&reply);
1330         nl_socket_free(sk);
1331         return rc;
1332 old_api:
1333         if (sk)
1334                 nl_socket_free(sk);
1335
1336         LIBCFS_IOC_INIT_V2(ping, ping_hdr);
1337         ping.ping_hdr.ioc_len = sizeof(ping);
1338         ping.ping_id = id;
1339         ping.ping_src = src;
1340         ping.op_param = timeout;
1341         ping.ping_count = maxids;
1342         ping.ping_buf = ids;
1343
1344         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PING_PEER, &ping);
1345         if (rc != 0) {
1346                 fprintf(stderr, "failed to ping %s: %s\n", argv[1],
1347                         strerror(errno));
1348                 return rc;
1349         }
1350
1351         for (i = 0; i < ping.ping_count && i < maxids; i++)
1352                 printf("%s\n", libcfs_id2str(ids[i]));
1353
1354         if (ping.ping_count > maxids)
1355                 printf("%d out of %d ids listed\n", maxids, ping.ping_count);
1356
1357         return 0;
1358 }
1359
1360 int jt_ptl_mynid(int argc, char **argv)
1361 {
1362         struct libcfs_ioctl_data data;
1363         lnet_nid_t nid;
1364         int rc;
1365
1366         if (argc != 2) {
1367                 fprintf(stderr, "usage: %s NID\n", argv[0]);
1368                 return 0;
1369         }
1370
1371         nid = libcfs_str2nid(argv[1]);
1372         if (nid == LNET_NID_ANY) {
1373                 fprintf(stderr, "Can't parse NID '%s'\n", argv[1]);
1374                 return -1;
1375         }
1376
1377         LIBCFS_IOC_INIT(data);
1378         data.ioc_net = LNET_NIDNET(nid);
1379         data.ioc_nid = nid;
1380
1381         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_REGISTER_MYNID, &data);
1382         if (rc < 0)
1383                 fprintf(stderr, "setting my NID failed: %s\n",
1384                         strerror(errno));
1385         else
1386                 printf("registered my nid %s\n", libcfs_nid2str(nid));
1387
1388         return 0;
1389 }
1390
1391 int
1392 jt_ptl_fail_nid(int argc, char **argv)
1393 {
1394         int rc;
1395         lnet_nid_t nid;
1396         int threshold;
1397         struct libcfs_ioctl_data data;
1398
1399         if (argc < 2 || argc > 3) {
1400                 fprintf(stderr, "usage: %s nid|\"*\" [count (0 == mend)]\n",
1401                         argv[0]);
1402                 return 0;
1403         }
1404
1405         if (!libcfs_str2anynid(&nid, argv[1])) {
1406                 fprintf(stderr, "Can't parse nid \"%s\"\n", argv[1]);
1407                 return -1;
1408         }
1409
1410         if (argc < 3) {
1411                 threshold = LNET_MD_THRESH_INF;
1412         } else if (sscanf(argv[2], "%i", &threshold) != 1) {
1413                 fprintf(stderr, "Can't parse count \"%s\"\n", argv[2]);
1414                 return -1;
1415         }
1416
1417         LIBCFS_IOC_INIT(data);
1418         data.ioc_nid = nid;
1419         data.ioc_count = threshold;
1420
1421         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_FAIL_NID, &data);
1422         if (rc < 0)
1423                 fprintf(stderr, "IOC_LIBCFS_FAIL_NID failed: %s\n",
1424                         strerror(errno));
1425         else
1426                 printf("%s %s\n",
1427                        threshold == 0 ? "Unfailing" : "Failing", argv[1]);
1428
1429         return 0;
1430 }
1431
1432 int
1433 jt_ptl_add_route(int argc, char **argv)
1434 {
1435         struct lnet_ioctl_config_data data;
1436         lnet_nid_t gateway_nid;
1437         __u32 hops = LNET_UNDEFINED_HOPS;
1438         unsigned int priority = 0;
1439         char *end;
1440         int rc;
1441
1442         if (argc < 2 || argc > 4) {
1443                 fprintf(stderr, "usage: %s gateway [hopcount [priority]]\n",
1444                         argv[0]);
1445                 return -1;
1446         }
1447
1448         if (g_net_is_set(argv[0]) == 0)
1449                 return -1;
1450
1451         gateway_nid = libcfs_str2nid(argv[1]);
1452         if (gateway_nid == LNET_NID_ANY) {
1453                 fprintf(stderr, "Can't parse gateway NID \"%s\"\n", argv[1]);
1454                 return -1;
1455         }
1456
1457         if (argc > 2) {
1458                 hops = strtol(argv[2], &end, 0);
1459                 if (hops == 0 || hops >= 256 ||
1460                     (end && *end != 0)) {
1461                         fprintf(stderr, "Can't parse hopcount \"%s\"\n",
1462                                 argv[2]);
1463                         return -1;
1464                 }
1465                 if (argc == 4) {
1466                         priority = strtoul(argv[3], &end, 0);
1467                         if (end && *end != 0) {
1468                                 fprintf(stderr,
1469                                         "Can't parse priority \"%s\"\n",
1470                                         argv[3]);
1471                                 return -1;
1472                         }
1473                 }
1474         }
1475
1476         LIBCFS_IOC_INIT_V2(data, cfg_hdr);
1477         data.cfg_net = g_net;
1478         data.cfg_config_u.cfg_route.rtr_hop = hops;
1479         data.cfg_nid = gateway_nid;
1480         data.cfg_config_u.cfg_route.rtr_priority = priority;
1481
1482         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE, &data);
1483         if (rc != 0) {
1484                 fprintf(stderr, "IOC_LIBCFS_ADD_ROUTE failed: %s\n",
1485                         strerror(errno));
1486                 return -1;
1487         }
1488
1489         return 0;
1490 }
1491
1492 int
1493 jt_ptl_del_route(int argc, char **argv)
1494 {
1495         struct lnet_ioctl_config_data data;
1496         lnet_nid_t nid;
1497         int rc;
1498
1499         if (argc != 2) {
1500                 fprintf(stderr, "usage: %s gatewayNID\n", argv[0]);
1501                 return 0;
1502         }
1503
1504         if (libcfs_str2anynid(&nid, argv[1]) == 0) {
1505                 fprintf(stderr, "Can't parse gateway NID \"%s\"\n", argv[1]);
1506                 return -1;
1507         }
1508
1509         LIBCFS_IOC_INIT_V2(data, cfg_hdr);
1510         data.cfg_net = g_net_set ? g_net : LNET_NET_ANY;
1511         data.cfg_nid = nid;
1512
1513         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE, &data);
1514         if (rc != 0) {
1515                 fprintf(stderr, "IOC_LIBCFS_DEL_ROUTE (%s) failed: %s\n",
1516                         libcfs_nid2str(nid), strerror(errno));
1517                 return -1;
1518         }
1519
1520         return 0;
1521 }
1522
1523 int
1524 jt_ptl_notify_router(int argc, char **argv)
1525 {
1526         struct libcfs_ioctl_data data;
1527         int enable;
1528         lnet_nid_t nid;
1529         int rc;
1530         struct timeval now;
1531         time_t when;
1532
1533         if (argc < 3) {
1534                 fprintf(stderr, "usage: %s targetNID <up/down> [<time>]\n",
1535                         argv[0]);
1536                 return 0;
1537         }
1538
1539         nid = libcfs_str2nid(argv[1]);
1540         if (nid == LNET_NID_ANY) {
1541                 fprintf(stderr, "Can't parse target NID \"%s\"\n", argv[1]);
1542                 return -1;
1543         }
1544
1545         if (lnet_parse_bool (&enable, argv[2]) != 0) {
1546                 fprintf(stderr, "Can't parse boolean %s\n", argv[2]);
1547                 return -1;
1548         }
1549
1550         gettimeofday(&now, NULL);
1551
1552         if (argc < 4) {
1553                 when = now.tv_sec;
1554         } else if (lnet_parse_time(&when, argv[3]) != 0) {
1555                 fprintf(stderr,
1556                         "Can't parse time %s\n Please specify either 'YYYY-MM-DD-HH:MM:SS'\n or an absolute unix time in seconds\n",
1557                         argv[3]);
1558                 return -1;
1559         } else if (when > now.tv_sec) {
1560                 fprintf(stderr, "%s specifies a time in the future\n",
1561                         argv[3]);
1562                 return -1;
1563         }
1564
1565         LIBCFS_IOC_INIT(data);
1566         data.ioc_nid = nid;
1567         data.ioc_flags = enable;
1568         /* Yeuch; 'cept I need a __u64 on 64 bit machines... */
1569         data.ioc_u64[0] = (__u64)when;
1570
1571         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_NOTIFY_ROUTER, &data);
1572         if (rc != 0) {
1573                 fprintf(stderr, "IOC_LIBCFS_NOTIFY_ROUTER (%s) failed: %s\n",
1574                         libcfs_nid2str(nid), strerror(errno));
1575                 return -1;
1576         }
1577
1578         return 0;
1579 }
1580
1581 int
1582 jt_ptl_print_routes(int argc, char **argv)
1583 {
1584         struct lnet_ioctl_config_data  data;
1585         int rc;
1586         int index;
1587         __u32 net;
1588         lnet_nid_t nid;
1589         unsigned int hops;
1590         int alive;
1591         unsigned int pri;
1592
1593         for (index = 0; ; index++) {
1594                 LIBCFS_IOC_INIT_V2(data, cfg_hdr);
1595                 data.cfg_count = index;
1596
1597                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
1598                 if (rc != 0)
1599                         break;
1600
1601                 net     = data.cfg_net;
1602                 hops    = data.cfg_config_u.cfg_route.rtr_hop;
1603                 nid     = data.cfg_nid;
1604                 alive   = data.cfg_config_u.cfg_route.rtr_flags & LNET_RT_ALIVE;
1605                 pri     = data.cfg_config_u.cfg_route.rtr_priority;
1606
1607                 printf("net %18s hops %u gw %32s %s pri %u\n",
1608                        libcfs_net2str(net), hops,
1609                        libcfs_nid2str(nid), alive ? "up" : "down", pri);
1610         }
1611
1612         if (errno != ENOENT)
1613                 fprintf(stderr, "Error getting routes: %s: check dmesg.\n",
1614                         strerror(errno));
1615
1616         return 0;
1617 }
1618
1619 static int
1620 fault_attr_nid_parse(char *str, lnet_nid_t *nid_p)
1621 {
1622         lnet_nid_t nid;
1623         __u32 net;
1624         int rc = 0;
1625
1626         /* NB: can't support range ipaddress except * and *@net */
1627         if (strlen(str) > 2 && str[0] == '*' && str[1] == '@') {
1628                 net = libcfs_str2net(str + 2);
1629                 if (net == LNET_NET_ANY)
1630                         goto failed;
1631
1632                 nid = LNET_MKNID(net, LNET_NIDADDR(LNET_NID_ANY));
1633         } else {
1634                 rc = libcfs_str2anynid(&nid, str);
1635                 if (!rc)
1636                         goto failed;
1637         }
1638
1639         *nid_p = nid;
1640         return 0;
1641 failed:
1642         fprintf(stderr, "Invalid NID : %s\n", str);
1643         return -1;
1644 }
1645
1646 static int
1647 fault_attr_msg_parse(char *msg_str, __u32 *mask_p)
1648 {
1649         if (!strcasecmp(msg_str, "put")) {
1650                 *mask_p |= LNET_PUT_BIT;
1651                 return 0;
1652
1653         } else if (!strcasecmp(msg_str, "ack")) {
1654                 *mask_p |= LNET_ACK_BIT;
1655                 return 0;
1656
1657         } else if (!strcasecmp(msg_str, "get")) {
1658                 *mask_p |= LNET_GET_BIT;
1659                 return 0;
1660
1661         } else if (!strcasecmp(msg_str, "reply")) {
1662                 *mask_p |= LNET_REPLY_BIT;
1663                 return 0;
1664         }
1665
1666         fprintf(stderr, "unknown message type %s\n", msg_str);
1667         return -1;
1668 }
1669
1670 static int
1671 fault_attr_ptl_parse(char *ptl_str, __u64 *mask_p)
1672 {
1673         unsigned long rc = strtoul(optarg, NULL, 0);
1674
1675         if (rc >= 64) {
1676                 fprintf(stderr, "invalid portal: %lu\n", rc);
1677                 return -1;
1678         }
1679
1680         *mask_p |= (1ULL << rc);
1681         return 0;
1682 }
1683
1684 static int
1685 fault_attr_health_error_parse(char *error, __u32 *mask)
1686 {
1687         if (!strcasecmp(error, "local_interrupt")) {
1688                 *mask |= HSTATUS_LOCAL_INTERRUPT_BIT;
1689                 return 0;
1690         }
1691         if (!strcasecmp(error, "local_dropped")) {
1692                 *mask |= HSTATUS_LOCAL_DROPPED_BIT;
1693                 return 0;
1694         }
1695         if (!strcasecmp(error, "local_aborted")) {
1696                 *mask |= HSTATUS_LOCAL_ABORTED_BIT;
1697                 return 0;
1698         }
1699         if (!strcasecmp(error, "local_no_route")) {
1700                 *mask |= HSTATUS_LOCAL_NO_ROUTE_BIT;
1701                 return 0;
1702         }
1703         if (!strcasecmp(error, "local_error")) {
1704                 *mask |= HSTATUS_LOCAL_ERROR_BIT;
1705                 return 0;
1706         }
1707         if (!strcasecmp(error, "local_timeout")) {
1708                 *mask |= HSTATUS_LOCAL_TIMEOUT_BIT;
1709                 return 0;
1710         }
1711         if (!strcasecmp(error, "remote_error")) {
1712                 *mask |= HSTATUS_REMOTE_ERROR_BIT;
1713                 return 0;
1714         }
1715         if (!strcasecmp(error, "remote_dropped")) {
1716                 *mask |= HSTATUS_REMOTE_DROPPED_BIT;
1717                 return 0;
1718         }
1719         if (!strcasecmp(error, "remote_timeout")) {
1720                 *mask |= HSTATUS_REMOTE_TIMEOUT_BIT;
1721                 return 0;
1722         }
1723         if (!strcasecmp(error, "network_timeout")) {
1724                 *mask |= HSTATUS_NETWORK_TIMEOUT_BIT;
1725                 return 0;
1726         }
1727         if (!strcasecmp(error, "random")) {
1728                 *mask = HSTATUS_RANDOM;
1729                 return 0;
1730         }
1731
1732         return -1;
1733 }
1734
1735 static int
1736 fault_simul_rule_add(__u32 opc, char *name, int argc, char **argv)
1737 {
1738         struct libcfs_ioctl_data  data = { { 0 } };
1739         struct lnet_fault_attr    attr;
1740         char *optstr;
1741         int rc;
1742
1743         static const struct option opts[] = {
1744         { .name = "source",   .has_arg = required_argument, .val = 's' },
1745         { .name = "dest",     .has_arg = required_argument, .val = 'd' },
1746         { .name = "rate",     .has_arg = required_argument, .val = 'r' },
1747         { .name = "interval", .has_arg = required_argument, .val = 'i' },
1748         { .name = "random",   .has_arg = no_argument,       .val = 'n' },
1749         { .name = "latency",  .has_arg = required_argument, .val = 'l' },
1750         { .name = "portal",   .has_arg = required_argument, .val = 'p' },
1751         { .name = "message",  .has_arg = required_argument, .val = 'm' },
1752         { .name = "health_error",  .has_arg = required_argument, .val = 'e' },
1753         { .name = "local_nid",  .has_arg = required_argument, .val = 'o' },
1754         { .name = "drop_all",  .has_arg = no_argument, .val = 'x' },
1755         { .name = NULL } };
1756
1757         if (argc == 1) {
1758                 fprintf(stderr,
1759                         "Failed, please provide source, destination and rate of rule\n");
1760                 return -1;
1761         }
1762
1763         optstr = opc == LNET_CTL_DROP_ADD ? "s:d:o:r:i:p:m:e:nx" : "s:d:o:r:l:p:m:";
1764         memset(&attr, 0, sizeof(attr));
1765         while (1) {
1766                 int c = getopt_long(argc, argv, optstr, opts, NULL);
1767
1768                 if (c == -1)
1769                         break;
1770
1771                 switch (c) {
1772                 case 'o':
1773                         rc = fault_attr_nid_parse(optarg, &attr.fa_local_nid);
1774                         if (rc != 0)
1775                                 goto getopt_failed;
1776                         break;
1777                 case 's': /* source NID/NET */
1778                         rc = fault_attr_nid_parse(optarg, &attr.fa_src);
1779                         if (rc != 0)
1780                                 goto getopt_failed;
1781                         break;
1782
1783                 case 'd': /* dest NID/NET */
1784                         rc = fault_attr_nid_parse(optarg, &attr.fa_dst);
1785                         if (rc != 0)
1786                                 goto getopt_failed;
1787                         break;
1788
1789                 case 'r': /* drop rate */
1790                         if (opc == LNET_CTL_DROP_ADD)
1791                                 attr.u.drop.da_rate = strtoul(optarg, NULL, 0);
1792                         else
1793                                 attr.u.delay.la_rate = strtoul(optarg, NULL, 0);
1794                         break;
1795
1796                 case 'e':
1797                         if (opc == LNET_CTL_DROP_ADD) {
1798                                 rc = fault_attr_health_error_parse(optarg,
1799                                                                    &attr.u.drop.da_health_error_mask);
1800                                 if (rc)
1801                                         goto getopt_failed;
1802                         }
1803                         break;
1804
1805                 case 'x':
1806                         if (opc == LNET_CTL_DROP_ADD)
1807                                 attr.u.drop.da_drop_all = true;
1808                         break;
1809
1810                 case 'n':
1811                         if (opc == LNET_CTL_DROP_ADD)
1812                                 attr.u.drop.da_random = true;
1813                         break;
1814
1815                 case 'i': /* time interval (# seconds) for message drop */
1816                         if (opc == LNET_CTL_DROP_ADD)
1817                                 attr.u.drop.da_interval = strtoul(optarg,
1818                                                                   NULL, 0);
1819                         else
1820                                 attr.u.delay.la_interval = strtoul(optarg,
1821                                                                    NULL, 0);
1822                         break;
1823
1824                 case 'l': /* seconds to wait before activating rule */
1825                         attr.u.delay.la_latency = strtoul(optarg, NULL, 0);
1826                         break;
1827
1828                 case 'p': /* portal to filter */
1829                         rc = fault_attr_ptl_parse(optarg, &attr.fa_ptl_mask);
1830                         if (rc != 0)
1831                                 goto getopt_failed;
1832                         break;
1833
1834                 case 'm': /* message types to filter */
1835                         rc = fault_attr_msg_parse(optarg, &attr.fa_msg_mask);
1836                         if (rc != 0)
1837                                 goto getopt_failed;
1838                         break;
1839
1840                 default:
1841                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
1842                                 argv[0], argv[optind - 1]);
1843                         goto getopt_failed;
1844                 }
1845         }
1846         optind = 1;
1847
1848         if (opc == LNET_CTL_DROP_ADD) {
1849                 /* NB: drop rate and interval are exclusive to each other */
1850                 if (!((attr.u.drop.da_rate == 0) ^
1851                       (attr.u.drop.da_interval == 0))) {
1852                         fprintf(stderr,
1853                                 "please provide either drop rate or interval but not both at the same time.\n");
1854                         return -1;
1855                 }
1856
1857                 if (attr.u.drop.da_random &&
1858                     attr.u.drop.da_interval == 0) {
1859                         fprintf(stderr,
1860                                 "please provide an interval to randomize\n");
1861                         return -1;
1862                 }
1863         } else if (opc == LNET_CTL_DELAY_ADD) {
1864                 if (!((attr.u.delay.la_rate == 0) ^
1865                       (attr.u.delay.la_interval == 0))) {
1866                         fprintf(stderr,
1867                                 "please provide either delay rate or interval but not both at the same time.\n");
1868                         return -1;
1869                 }
1870
1871                 if (attr.u.delay.la_latency == 0) {
1872                         fprintf(stderr, "latency cannot be zero\n");
1873                         return -1;
1874                 }
1875         }
1876
1877         if (attr.fa_src == 0 || attr.fa_dst == 0) {
1878                 fprintf(stderr,
1879                         "Please provide both source and destination of %s rule\n",
1880                         name);
1881                 return -1;
1882         }
1883
1884         if (attr.fa_local_nid == 0)
1885                 attr.fa_local_nid = LNET_NID_ANY;
1886
1887         data.ioc_flags = opc;
1888         data.ioc_inllen1 = sizeof(attr);
1889         data.ioc_inlbuf1 = (char *)&attr;
1890         if (libcfs_ioctl_pack(&data, &ioc_buf, IOC_BUF_SIZE) != 0) {
1891                 fprintf(stderr, "libcfs_ioctl_pack failed\n");
1892                 return -1;
1893         }
1894
1895         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_FAULT, ioc_buf);
1896         if (rc != 0) {
1897                 fprintf(stderr, "add %s rule %s->%s failed: %s\n",
1898                         name, libcfs_nid2str(attr.fa_src),
1899                         libcfs_nid2str(attr.fa_dst), strerror(errno));
1900                 return -1;
1901         }
1902
1903         printf("Added %s rule %s->%s (1/%d)\n",
1904                name, libcfs_nid2str(attr.fa_src), libcfs_nid2str(attr.fa_dst),
1905                opc == LNET_CTL_DROP_ADD ?
1906                attr.u.drop.da_rate : attr.u.delay.la_rate);
1907         return 0;
1908
1909 getopt_failed:
1910         optind = 1;
1911         return -1;
1912 }
1913
1914 int
1915 jt_ptl_drop_add(int argc, char **argv)
1916 {
1917         return fault_simul_rule_add(LNET_CTL_DROP_ADD, "drop", argc, argv);
1918 }
1919
1920 int
1921 jt_ptl_delay_add(int argc, char **argv)
1922 {
1923         return fault_simul_rule_add(LNET_CTL_DELAY_ADD, "delay", argc, argv);
1924 }
1925
1926 static int
1927 fault_simul_rule_del(__u32 opc, char *name, int argc, char **argv)
1928 {
1929         struct libcfs_ioctl_data data = { { 0 } };
1930         struct lnet_fault_attr   attr;
1931         bool all = false;
1932         int rc;
1933
1934         static const struct option opts[] = {
1935                 { .name = "source", .has_arg = required_argument, .val = 's' },
1936                 { .name = "dest",   .has_arg = required_argument, .val = 'd' },
1937                 { .name = "all",    .has_arg = no_argument,       .val = 'a' },
1938                 { .name = NULL } };
1939
1940         if (argc == 1) {
1941                 fprintf(stderr,
1942                         "Failed, please provide source and destination of rule\n");
1943                 return -1;
1944         }
1945
1946         memset(&attr, 0, sizeof(attr));
1947         while (1) {
1948                 int c = getopt_long(argc, argv, "s:d:a", opts, NULL);
1949
1950                 if (c == -1 || all)
1951                         break;
1952
1953                 switch (c) {
1954                 case 's':
1955                         rc = fault_attr_nid_parse(optarg, &attr.fa_src);
1956                         if (rc != 0)
1957                                 goto getopt_failed;
1958                         break;
1959                 case 'd':
1960                         rc = fault_attr_nid_parse(optarg, &attr.fa_dst);
1961                         if (rc != 0)
1962                                 goto getopt_failed;
1963                         break;
1964                 case 'a':
1965                         attr.fa_src = 0;
1966                         attr.fa_dst = 0;
1967                         all = true;
1968
1969                         break;
1970                 default:
1971                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
1972                                 argv[0], argv[optind - 1]);
1973                         goto getopt_failed;
1974                 }
1975         }
1976         optind = 1;
1977
1978         data.ioc_flags = opc;
1979         data.ioc_inllen1 = sizeof(attr);
1980         data.ioc_inlbuf1 = (char *)&attr;
1981         if (libcfs_ioctl_pack(&data, &ioc_buf, IOC_BUF_SIZE) != 0) {
1982                 fprintf(stderr, "libcfs_ioctl_pack failed\n");
1983                 return -1;
1984         }
1985
1986         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_FAULT, ioc_buf);
1987         if (rc != 0) {
1988                 fprintf(stderr, "remove %s rule %s->%s failed: %s\n", name,
1989                         all ? "all" : libcfs_nid2str(attr.fa_src),
1990                         all ? "all" : libcfs_nid2str(attr.fa_dst),
1991                         strerror(errno));
1992                 return -1;
1993         }
1994
1995         libcfs_ioctl_unpack(&data, ioc_buf);
1996         printf("Removed %d %s rules\n", data.ioc_count, name);
1997         return 0;
1998
1999 getopt_failed:
2000         optind = 1;
2001         return -1;
2002 }
2003
2004 int
2005 jt_ptl_drop_del(int argc, char **argv)
2006 {
2007         return fault_simul_rule_del(LNET_CTL_DROP_DEL, "drop", argc, argv);
2008 }
2009
2010 int
2011 jt_ptl_delay_del(int argc, char **argv)
2012 {
2013         return fault_simul_rule_del(LNET_CTL_DELAY_DEL, "delay", argc, argv);
2014 }
2015
2016 static int
2017 fault_simul_rule_reset(__u32 opc, char *name, int argc, char **argv)
2018 {
2019         struct libcfs_ioctl_data   data = { { 0 } };
2020         int                        rc;
2021
2022         LIBCFS_IOC_INIT(data);
2023         data.ioc_flags = opc;
2024
2025         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_FAULT, &data);
2026         if (rc != 0) {
2027                 fprintf(stderr, "failed to reset %s stats: %s\n",
2028                         name, strerror(errno));
2029                 return -1;
2030         }
2031         return 0;
2032 }
2033
2034 int
2035 jt_ptl_drop_reset(int argc, char **argv)
2036 {
2037         return fault_simul_rule_reset(LNET_CTL_DROP_RESET, "drop", argc, argv);
2038 }
2039
2040 int
2041 jt_ptl_delay_reset(int argc, char **argv)
2042 {
2043         return fault_simul_rule_reset(LNET_CTL_DELAY_RESET, "delay",
2044                                       argc, argv);
2045 }
2046
2047 static int
2048 fault_simul_rule_list(__u32 opc, char *name, int argc, char **argv)
2049 {
2050         struct libcfs_ioctl_data data = { { 0 } };
2051         struct lnet_fault_attr   attr;
2052         struct lnet_fault_stat   stat;
2053         int pos;
2054
2055         printf("LNet %s rules:\n", name);
2056         for (pos = 0;; pos++) {
2057                 int rc;
2058
2059                 memset(&attr, 0, sizeof(attr));
2060                 memset(&stat, 0, sizeof(stat));
2061
2062                 data.ioc_count = pos;
2063                 data.ioc_flags = opc;
2064                 data.ioc_inllen1 = sizeof(attr);
2065                 data.ioc_inlbuf1 = (char *)&attr;
2066                 data.ioc_inllen2 = sizeof(stat);
2067                 data.ioc_inlbuf2 = (char *)&stat;
2068                 if (libcfs_ioctl_pack(&data, &ioc_buf, IOC_BUF_SIZE) != 0) {
2069                         fprintf(stderr, "libcfs_ioctl_pack failed\n");
2070                         return -1;
2071                 }
2072
2073                 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_FAULT, ioc_buf);
2074                 if (rc != 0)
2075                         break;
2076
2077                 libcfs_ioctl_unpack(&data, ioc_buf);
2078
2079                 if (opc == LNET_CTL_DROP_LIST) {
2080                         printf("%s->%s (1/%d | %d) ptl %#jx, msg %x, %ju/%ju, PUT %ju, ACK %ju, GET %ju, REP %ju\n",
2081                                libcfs_nid2str(attr.fa_src),
2082                                libcfs_nid2str(attr.fa_dst),
2083                                attr.u.drop.da_rate, attr.u.drop.da_interval,
2084                                (uintmax_t)attr.fa_ptl_mask, attr.fa_msg_mask,
2085                                (uintmax_t)stat.u.drop.ds_dropped,
2086                                (uintmax_t)stat.fs_count,
2087                                (uintmax_t)stat.fs_put,
2088                                (uintmax_t)stat.fs_ack,
2089                                (uintmax_t)stat.fs_get,
2090                                (uintmax_t)stat.fs_reply);
2091
2092                 } else if (opc == LNET_CTL_DELAY_LIST) {
2093                         printf("%s->%s (1/%d | %d, latency %d) ptl %#jx, msg %x, %ju/%ju, PUT %ju, ACK %ju, GET %ju, REP %ju\n",
2094                                libcfs_nid2str(attr.fa_src),
2095                                libcfs_nid2str(attr.fa_dst),
2096                                attr.u.delay.la_rate, attr.u.delay.la_interval,
2097                                attr.u.delay.la_latency,
2098                                (uintmax_t)attr.fa_ptl_mask, attr.fa_msg_mask,
2099                                (uintmax_t)stat.u.delay.ls_delayed,
2100                                (uintmax_t)stat.fs_count,
2101                                (uintmax_t)stat.fs_put,
2102                                (uintmax_t)stat.fs_ack,
2103                                (uintmax_t)stat.fs_get,
2104                                (uintmax_t)stat.fs_reply);
2105                 }
2106         }
2107         printf("found total %d\n", pos);
2108
2109         return 0;
2110 }
2111
2112 int
2113 jt_ptl_drop_list(int argc, char **argv)
2114 {
2115         return fault_simul_rule_list(LNET_CTL_DROP_LIST, "drop", argc, argv);
2116 }
2117
2118 int
2119 jt_ptl_delay_list(int argc, char **argv)
2120 {
2121         return fault_simul_rule_list(LNET_CTL_DELAY_LIST, "delay", argc, argv);
2122 }
2123
2124 double
2125 get_cycles_per_usec()
2126 {
2127         FILE *f = fopen("/proc/cpuinfo", "r");
2128         double mhz;
2129         char line[64];
2130
2131         if (f) {
2132                 while (fgets(line, sizeof(line), f))
2133                         if (sscanf(line, "cpu MHz : %lf", &mhz) == 1) {
2134                                 fclose(f);
2135                                 return mhz;
2136                         }
2137                 fclose(f);
2138         }
2139
2140         fprintf(stderr, "Can't read/parse /proc/cpuinfo\n");
2141         return 1000.0;
2142 }
2143
2144 int jt_ptl_testprotocompat(int argc, char **argv)
2145 {
2146         struct libcfs_ioctl_data  data;
2147         int rc;
2148         int flags;
2149         char *end;
2150
2151         if (argc < 2)  {
2152                 fprintf(stderr, "usage: %s <number>\n", argv[0]);
2153                 return 0;
2154         }
2155
2156         flags = strtol(argv[1], &end, 0);
2157         if (flags < 0 || *end != 0) {
2158                 fprintf(stderr, "Can't parse flags '%s'\n", argv[1]);
2159                 return -1;
2160         }
2161
2162         LIBCFS_IOC_INIT(data);
2163         data.ioc_flags = flags;
2164         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_TESTPROTOCOMPAT, &data);
2165
2166         if (rc != 0) {
2167                 fprintf(stderr, "test proto compat %x failed: %s\n",
2168                         flags, strerror(errno));
2169                 return -1;
2170         }
2171
2172         printf("test proto compat %x OK\n", flags);
2173         return 0;
2174 }