event.c

   1 #include <stdint.h>
   2 #include <stdbool.h>
   3 #include <net/if.h>
   4 #include <errno.h>
   5 #include <inttypes.h>
   6 #include "iw.h"
   7
   8 static int no_seq_check(struct nl_msg *msg, void *arg)
   9 {
  10         return NL_OK;
  11 }
  12
  13 struct ieee80211_beacon_channel {
  14         __u16 center_freq;
  15         bool no_ir;
  16         bool no_ibss;
  17 };
  18
  19 static int parse_beacon_hint_chan(struct nlattr *tb,
  20                                   struct ieee80211_beacon_channel *chan)
  21 {
  22         struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
  23         static struct nla_policy beacon_freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
  24                 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
  25                 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
  26                 [__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
  27         };
  28
  29         if (nla_parse_nested(tb_freq,
  30                              NL80211_FREQUENCY_ATTR_MAX,
  31                              tb,
  32                              beacon_freq_policy))
  33                 return -EINVAL;
  34
  35         chan->center_freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
  36
  37         if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
  38                 chan->no_ir = true;
  39         if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS])
  40                 chan->no_ibss = true;
  41
  42         return 0;
  43 }
  44
  45 static void print_frame(struct print_event_args *args, struct nlattr *attr)
  46 {
  47         uint8_t *frame;
  48         size_t len;
  49         unsigned int i;
  50         char macbuf[6*3];
  51         uint16_t tmp;
  52
  53         if (!attr) {
  54                 printf(" [no frame]");
  55                 return;
  56         }
  57
  58         frame = nla_data(attr);
  59         len = nla_len(attr);
  60
  61         if (len < 26) {
  62                 printf(" [invalid frame: ");
  63                 goto print_frame;
  64         }
  65
  66         mac_addr_n2a(macbuf, frame + 10);
  67         printf(" %s -> ", macbuf);
  68         mac_addr_n2a(macbuf, frame + 4);
  69         printf("%s", macbuf);
  70
  71         switch (frame[0] & 0xfc) {
  72         case 0x10: /* assoc resp */
  73         case 0x30: /* reassoc resp */
  74                 /* status */
  75                 tmp = (frame[27] << 8) + frame[26];
  76                 printf(" status: %d: %s", tmp, get_status_str(tmp));
  77                 break;
  78         case 0x00: /* assoc req */
  79         case 0x20: /* reassoc req */
  80                 break;
  81         case 0xb0: /* auth */
  82                 /* status */
  83                 tmp = (frame[29] << 8) + frame[28];
  84                 printf(" status: %d: %s", tmp, get_status_str(tmp));
  85                 break;
  86         case 0xa0: /* disassoc */
  87         case 0xc0: /* deauth */
  88                 /* reason */
  89                 tmp = (frame[25] << 8) + frame[24];
  90                 printf(" reason %d: %s", tmp, get_reason_str(tmp));
  91                 break;
  92         }
  93
  94         if (!args->frame)
  95                 return;
  96
  97         printf(" [frame:");
  98
  99  print_frame:
 100         for (i = 0; i < len; i++)
 101                 printf(" %.02x", frame[i]);
 102         printf("]");
 103 }
 104
 105 static void parse_cqm_event(struct nlattr **attrs)
 106 {
 107         static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
 108                 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
 109                 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
 110                 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
 111         };
 112         struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
 113         struct nlattr *cqm_attr = attrs[NL80211_ATTR_CQM];
 114
 115         printf("CQM event: ");
 116
 117         if (!cqm_attr ||
 118             nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, cqm_attr, cqm_policy)) {
 119                 printf("missing data!\n");
 120                 return;
 121         }
 122
 123         if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]) {
 124                 enum nl80211_cqm_rssi_threshold_event rssi_event;
 125                 bool found_one = false;
 126
 127                 rssi_event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
 128
 129                 switch (rssi_event) {
 130                 case NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH:
 131                         printf("RSSI went above threshold\n");
 132                         found_one = true;
 133                         break;
 134                 case NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW:
 135                         printf("RSSI went below threshold\n");
 136                         found_one = true;
 137                         break;
 138                 case NL80211_CQM_RSSI_BEACON_LOSS_EVENT:
 139                         printf("Beacon loss detected\n");
 140                         found_one = true;
 141                         break;
 142                 }
 143
 144                 if (!found_one)
 145                         printf("Unknown event type: %i\n", rssi_event);
 146         } else if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
 147                 if (attrs[NL80211_ATTR_MAC]) {
 148                         uint32_t frames;
 149                         char buf[3*6];
 150
 151                         frames = nla_get_u32(cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]);
 152                         mac_addr_n2a(buf, nla_data(attrs[NL80211_ATTR_MAC]));
 153                         printf("peer %s didn't ACK %d packets\n", buf, frames);
 154                 } else {
 155                         printf("PKT-LOSS-EVENT did not have MAC attribute!\n");
 156                 }
 157         } else if (cqm[NL80211_ATTR_CQM_BEACON_LOSS_EVENT]) {
 158                 printf("beacon loss\n");
 159         } else {
 160                 printf("unknown event\n");
 161         }
 162 }
 163
 164 static const char * key_type_str(enum nl80211_key_type key_type)
 165 {
 166         static char buf[30];
 167         switch (key_type) {
 168         case NL80211_KEYTYPE_GROUP:
 169                 return "Group";
 170         case NL80211_KEYTYPE_PAIRWISE:
 171                 return "Pairwise";
 172         case NL80211_KEYTYPE_PEERKEY:
 173                 return "PeerKey";
 174         default:
 175                 snprintf(buf, sizeof(buf), "unknown(%d)", key_type);
 176                 return buf;
 177         }
 178 }
 179
 180 static void parse_mic_failure(struct nlattr **attrs)
 181 {
 182         printf("Michael MIC failure event:");
 183
 184         if (attrs[NL80211_ATTR_MAC]) {
 185                 char addr[3 * ETH_ALEN];
 186                 mac_addr_n2a(addr, nla_data(attrs[NL80211_ATTR_MAC]));
 187                 printf(" source MAC address %s", addr);
 188         }
 189
 190         if (attrs[NL80211_ATTR_KEY_SEQ] &&
 191             nla_len(attrs[NL80211_ATTR_KEY_SEQ]) == 6) {
 192                 unsigned char *seq = nla_data(attrs[NL80211_ATTR_KEY_SEQ]);
 193                 printf(" seq=%02x%02x%02x%02x%02x%02x",
 194                        seq[0], seq[1], seq[2], seq[3], seq[4], seq[5]);
 195         }
 196         if (attrs[NL80211_ATTR_KEY_TYPE]) {
 197                 enum nl80211_key_type key_type =
 198                         nla_get_u32(attrs[NL80211_ATTR_KEY_TYPE]);
 199                 printf(" Key Type %s", key_type_str(key_type));
 200         }
 201
 202         if (attrs[NL80211_ATTR_KEY_IDX]) {
 203                 __u8 key_id = nla_get_u8(attrs[NL80211_ATTR_KEY_IDX]);
 204                 printf(" Key Id %d", key_id);
 205         }
 206
 207         printf("\n");
 208 }
 209
 210 static void parse_wowlan_wake_event(struct nlattr **attrs)
 211 {
 212         struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG],
 213                 *tb_match[NUM_NL80211_ATTR];
 214
 215         printf("WoWLAN wakeup\n");
 216         if (!attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
 217                 printf("\twakeup not due to WoWLAN\n");
 218                 return;
 219         }
 220
 221         nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
 222                   nla_data(attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
 223                   nla_len(attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), NULL);
 224
 225         if (tb[NL80211_WOWLAN_TRIG_DISCONNECT])
 226                 printf("\t* was disconnected\n");
 227         if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT])
 228                 printf("\t* magic packet received\n");
 229         if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN])
 230                 printf("\t* pattern index: %u\n",
 231                        nla_get_u32(tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]));
 232         if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
 233                 printf("\t* GTK rekey failure\n");
 234         if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
 235                 printf("\t* EAP identity request\n");
 236         if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
 237                 printf("\t* 4-way handshake\n");
 238         if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
 239                 printf("\t* RF-kill released\n");
 240         if (tb[NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS]) {
 241                 struct nlattr *match, *freq;
 242                 int rem_nst, rem_nst2;
 243
 244                 printf("\t* network detected\n");
 245                 nla_for_each_nested(match,
 246                                     tb[NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS],
 247                                     rem_nst) {
 248                         nla_parse_nested(tb_match, NL80211_ATTR_MAX, match,
 249                                          NULL);
 250                         printf("\t\tSSID: \"");
 251                         print_ssid_escaped(nla_len(tb_match[NL80211_ATTR_SSID]),
 252                                            nla_data(tb_match[NL80211_ATTR_SSID]));
 253                         printf("\"");
 254                         if (tb_match[NL80211_ATTR_SCAN_FREQUENCIES]) {
 255                                 printf(" freq(s):");
 256                                 nla_for_each_nested(freq,
 257                                                     tb_match[NL80211_ATTR_SCAN_FREQUENCIES],
 258                                                     rem_nst2)
 259                                         printf(" %d", nla_get_u32(freq));
 260                         }
 261                         printf("\n");
 262                 }
 263         }
 264         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]) {
 265                 uint8_t *d = nla_data(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]);
 266                 int l = nla_len(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]);
 267                 int i;
 268                 printf("\t* packet (might be truncated): ");
 269                 for (i = 0; i < l; i++) {
 270                         if (i > 0)
 271                                 printf(":");
 272                         printf("%.2x", d[i]);
 273                 }
 274                 printf("\n");
 275         }
 276         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]) {
 277                 uint8_t *d = nla_data(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]);
 278                 int l = nla_len(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]);
 279                 int i;
 280                 printf("\t* packet (might be truncated): ");
 281                 for (i = 0; i < l; i++) {
 282                         if (i > 0)
 283                                 printf(":");
 284                         printf("%.2x", d[i]);
 285                 }
 286                 printf("\n");
 287         }
 288         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH])
 289                 printf("\t* TCP connection wakeup received\n");
 290         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST])
 291                 printf("\t* TCP connection lost\n");
 292         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS])
 293                 printf("\t* TCP connection ran out of tokens\n");
 294 }
 295
 296 static void parse_nan_term(struct nlattr **attrs)
 297 {
 298         struct nlattr *func[NL80211_NAN_FUNC_ATTR_MAX + 1];
 299
 300         static struct nla_policy
 301                 nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
 302                 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
 303                 [NL80211_NAN_FUNC_SERVICE_ID] = { },
 304                 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
 305                 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
 306                 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
 307                 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
 308                 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
 309                 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { },
 310                 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
 311                 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
 312                 [NL80211_NAN_FUNC_SERVICE_INFO] = { },
 313                 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
 314                 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
 315                 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
 316                 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8},
 317         };
 318
 319         if (!attrs[NL80211_ATTR_COOKIE]) {
 320                 printf("Bad NAN func termination format - cookie is missing\n");
 321                 return;
 322         }
 323
 324         if (nla_parse_nested(func, NL80211_NAN_FUNC_ATTR_MAX,
 325                              attrs[NL80211_ATTR_NAN_FUNC],
 326                              nan_func_policy)) {
 327                 printf("NAN: failed to parse nan func\n");
 328                 return;
 329         }
 330
 331         if (!func[NL80211_NAN_FUNC_INSTANCE_ID]) {
 332                 printf("Bad NAN func termination format-instance id missing\n");
 333                 return;
 334         }
 335
 336         if (!func[NL80211_NAN_FUNC_TERM_REASON]) {
 337                 printf("Bad NAN func termination format - reason is missing\n");
 338                 return;
 339         }
 340         printf("NAN(cookie=0x%llx): Termination event: id = %d, reason = ",
 341                (long long int)nla_get_u64(attrs[NL80211_ATTR_COOKIE]),
 342                nla_get_u8(func[NL80211_NAN_FUNC_INSTANCE_ID]));
 343         switch (nla_get_u8(func[NL80211_NAN_FUNC_TERM_REASON])) {
 344         case NL80211_NAN_FUNC_TERM_REASON_USER_REQUEST:
 345                 printf("user request\n");
 346                 break;
 347         case NL80211_NAN_FUNC_TERM_REASON_TTL_EXPIRED:
 348                 printf("expired\n");
 349                 break;
 350         case NL80211_NAN_FUNC_TERM_REASON_ERROR:
 351                 printf("error\n");
 352                 break;
 353         default:
 354                 printf("unknown\n");
 355         }
 356 }
 357
 358 static const char *ftm_fail_reason(unsigned int reason)
 359 {
 360 #define FTM_FAIL_REASON(x) case NL80211_PMSR_FTM_FAILURE_##x: return #x
 361         switch (reason) {
 362         FTM_FAIL_REASON(UNSPECIFIED);
 363         FTM_FAIL_REASON(NO_RESPONSE);
 364         FTM_FAIL_REASON(REJECTED);
 365         FTM_FAIL_REASON(WRONG_CHANNEL);
 366         FTM_FAIL_REASON(PEER_NOT_CAPABLE);
 367         FTM_FAIL_REASON(INVALID_TIMESTAMP);
 368         FTM_FAIL_REASON(PEER_BUSY);
 369         FTM_FAIL_REASON(BAD_CHANGED_PARAMS);
 370         default:
 371                 return "unknown";
 372         }
 373 }
 374
 375 static void parse_pmsr_ftm_data(struct nlattr *data)
 376 {
 377         struct nlattr *ftm[NL80211_PMSR_FTM_RESP_ATTR_MAX + 1];
 378
 379         printf("    FTM");
 380         nla_parse_nested(ftm, NL80211_PMSR_FTM_RESP_ATTR_MAX, data, NULL);
 381
 382         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_FAIL_REASON]) {
 383                 printf(" failed: %s (%d)",
 384                        ftm_fail_reason(nla_get_u32(ftm[NL80211_PMSR_FTM_RESP_ATTR_FAIL_REASON])),
 385                        nla_get_u32(ftm[NL80211_PMSR_FTM_RESP_ATTR_FAIL_REASON]));
 386                 if (ftm[NL80211_PMSR_FTM_RESP_ATTR_BUSY_RETRY_TIME])
 387                         printf(" retry after %us",
 388                                nla_get_u32(ftm[NL80211_PMSR_FTM_RESP_ATTR_BUSY_RETRY_TIME]));
 389                 printf("\n");
 390                 return;
 391         }
 392
 393         printf("\n");
 394
 395 #define PFTM(tp, attr, sign)                                                    \
 396         do {                                                                    \
 397                 if (ftm[NL80211_PMSR_FTM_RESP_ATTR_##attr])                     \
 398                         printf("      " #attr ": %lld\n",                       \
 399                                (sign long long)nla_get_##tp(                    \
 400                                 ftm[NL80211_PMSR_FTM_RESP_ATTR_##attr]));       \
 401         } while (0)
 402
 403         PFTM(u32, BURST_INDEX, unsigned);
 404         PFTM(u32, NUM_FTMR_ATTEMPTS, unsigned);
 405         PFTM(u32, NUM_FTMR_SUCCESSES, unsigned);
 406         PFTM(u8, NUM_BURSTS_EXP, unsigned);
 407         PFTM(u8, BURST_DURATION, unsigned);
 408         PFTM(u8, FTMS_PER_BURST, unsigned);
 409         PFTM(u32, RSSI_AVG, signed);
 410         PFTM(u32, RSSI_SPREAD, unsigned);
 411         PFTM(u64, RTT_AVG, signed);
 412         PFTM(u64, RTT_VARIANCE, unsigned);
 413         PFTM(u64, RTT_SPREAD, unsigned);
 414         PFTM(u64, DIST_AVG, signed);
 415         PFTM(u64, DIST_VARIANCE, unsigned);
 416         PFTM(u64, DIST_SPREAD, unsigned);
 417
 418         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_TX_RATE]) {
 419                 char buf[100];
 420
 421                 parse_bitrate(ftm[NL80211_PMSR_FTM_RESP_ATTR_TX_RATE],
 422                               buf, sizeof(buf));
 423                 printf("      TX bitrate: %s\n", buf);
 424         }
 425
 426         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_RX_RATE]) {
 427                 char buf[100];
 428
 429                 parse_bitrate(ftm[NL80211_PMSR_FTM_RESP_ATTR_RX_RATE],
 430                               buf, sizeof(buf));
 431                 printf("      RX bitrate: %s\n", buf);
 432         }
 433
 434         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_LCI])
 435                 iw_hexdump("      LCI",
 436                            nla_data(ftm[NL80211_PMSR_FTM_RESP_ATTR_LCI]),
 437                            nla_len(ftm[NL80211_PMSR_FTM_RESP_ATTR_LCI]));
 438
 439         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_CIVICLOC])
 440                 iw_hexdump("      civic location",
 441                            nla_data(ftm[NL80211_PMSR_FTM_RESP_ATTR_CIVICLOC]),
 442                            nla_len(ftm[NL80211_PMSR_FTM_RESP_ATTR_CIVICLOC]));
 443 }
 444
 445 static const char *pmsr_status(unsigned int status)
 446 {
 447 #define PMSR_STATUS(x) case NL80211_PMSR_STATUS_##x: return #x
 448         switch (status) {
 449         PMSR_STATUS(SUCCESS);
 450         PMSR_STATUS(REFUSED);
 451         PMSR_STATUS(TIMEOUT);
 452         PMSR_STATUS(FAILURE);
 453         default:
 454                 return "unknown";
 455         }
 456 #undef PMSR_STATUS
 457 }
 458
 459 static void parse_pmsr_peer(struct nlattr *peer)
 460 {
 461         struct nlattr *tb[NL80211_PMSR_PEER_ATTR_MAX + 1];
 462         struct nlattr *resp[NL80211_PMSR_RESP_ATTR_MAX + 1];
 463         struct nlattr *data[NL80211_PMSR_TYPE_MAX + 1];
 464         char macbuf[6*3];
 465         int err;
 466
 467         err = nla_parse_nested(tb, NL80211_PMSR_PEER_ATTR_MAX, peer, NULL);
 468         if (err) {
 469                 printf("  Peer: failed to parse!\n");
 470                 return;
 471         }
 472
 473         if (!tb[NL80211_PMSR_PEER_ATTR_ADDR]) {
 474                 printf("  Peer: no MAC address\n");
 475                 return;
 476         }
 477
 478         mac_addr_n2a(macbuf, nla_data(tb[NL80211_PMSR_PEER_ATTR_ADDR]));
 479         printf("  Peer %s:", macbuf);
 480
 481         if (!tb[NL80211_PMSR_PEER_ATTR_RESP]) {
 482                 printf(" no response!\n");
 483                 return;
 484         }
 485
 486         err = nla_parse_nested(resp, NL80211_PMSR_RESP_ATTR_MAX,
 487                                tb[NL80211_PMSR_PEER_ATTR_RESP], NULL);
 488         if (err) {
 489                 printf(" failed to parse response!\n");
 490                 return;
 491         }
 492
 493         if (resp[NL80211_PMSR_RESP_ATTR_STATUS])
 494                 printf(" status=%d (%s)",
 495                        nla_get_u32(resp[NL80211_PMSR_RESP_ATTR_STATUS]),
 496                        pmsr_status(nla_get_u32(resp[NL80211_PMSR_RESP_ATTR_STATUS])));
 497         if (resp[NL80211_PMSR_RESP_ATTR_HOST_TIME])
 498                 printf(" @%llu",
 499                        (unsigned long long)nla_get_u64(resp[NL80211_PMSR_RESP_ATTR_HOST_TIME]));
 500         if (resp[NL80211_PMSR_RESP_ATTR_AP_TSF])
 501                 printf(" tsf=%llu",
 502                        (unsigned long long)nla_get_u64(resp[NL80211_PMSR_RESP_ATTR_AP_TSF]));
 503         if (resp[NL80211_PMSR_RESP_ATTR_FINAL])
 504                 printf(" (final)");
 505
 506         if (!resp[NL80211_PMSR_RESP_ATTR_DATA]) {
 507                 printf(" - no data!\n");
 508                 return;
 509         }
 510
 511         printf("\n");
 512
 513         nla_parse_nested(data, NL80211_PMSR_TYPE_MAX,
 514                          resp[NL80211_PMSR_RESP_ATTR_DATA], NULL);
 515
 516         if (data[NL80211_PMSR_TYPE_FTM])
 517                 parse_pmsr_ftm_data(data[NL80211_PMSR_TYPE_FTM]);
 518 }
 519
 520 static void parse_pmsr_result(struct nlattr **tb,
 521                               struct print_event_args *pargs)
 522 {
 523         struct nlattr *pmsr[NL80211_PMSR_ATTR_MAX + 1];
 524         struct nlattr *peer;
 525         unsigned long long cookie;
 526         int err, i;
 527
 528         if (!tb[NL80211_ATTR_COOKIE]) {
 529                 printf("Peer measurements: no cookie!\n");
 530                 return;
 531         }
 532         cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
 533
 534         if (!tb[NL80211_ATTR_PEER_MEASUREMENTS]) {
 535                 printf("Peer measurements: no measurement data!\n");
 536                 return;
 537         }
 538
 539         err = nla_parse_nested(pmsr, NL80211_PMSR_ATTR_MAX,
 540                                tb[NL80211_ATTR_PEER_MEASUREMENTS], NULL);
 541         if (err) {
 542                 printf("Peer measurements: failed to parse measurement data!\n");
 543                 return;
 544         }
 545
 546         if (!pmsr[NL80211_PMSR_ATTR_PEERS]) {
 547                 printf("Peer measurements: no peer data!\n");
 548                 return;
 549         }
 550
 551         printf("Peer measurements (cookie %llu):\n", cookie);
 552
 553         nla_for_each_nested(peer, pmsr[NL80211_PMSR_ATTR_PEERS], i)
 554                 parse_pmsr_peer(peer);
 555 }
 556
 557 static void parse_nan_match(struct nlattr **attrs)
 558 {
 559         char macbuf[6*3];
 560         __u64 cookie;
 561         struct nlattr *match[NL80211_NAN_MATCH_ATTR_MAX + 1];
 562         struct nlattr *local_func[NL80211_NAN_FUNC_ATTR_MAX + 1];
 563         struct nlattr *peer_func[NL80211_NAN_FUNC_ATTR_MAX + 1];
 564
 565         static struct nla_policy
 566                 nan_match_policy[NL80211_NAN_MATCH_ATTR_MAX + 1] = {
 567                 [NL80211_NAN_MATCH_FUNC_LOCAL] = { .type = NLA_NESTED },
 568                 [NL80211_NAN_MATCH_FUNC_PEER] = { .type = NLA_NESTED },
 569         };
 570
 571         static struct nla_policy
 572                 nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
 573                 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
 574                 [NL80211_NAN_FUNC_SERVICE_ID] = { },
 575                 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
 576                 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
 577                 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
 578                 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
 579                 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
 580                 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { },
 581                 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
 582                 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
 583                 [NL80211_NAN_FUNC_SERVICE_INFO] = { },
 584                 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
 585                 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
 586                 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
 587                 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8},
 588         };
 589
 590         cookie = nla_get_u64(attrs[NL80211_ATTR_COOKIE]);
 591         mac_addr_n2a(macbuf, nla_data(attrs[NL80211_ATTR_MAC]));
 592
 593         if (nla_parse_nested(match, NL80211_NAN_MATCH_ATTR_MAX,
 594                              attrs[NL80211_ATTR_NAN_MATCH],
 595                              nan_match_policy)) {
 596                 printf("NAN: failed to parse nan match event\n");
 597                 return;
 598         }
 599
 600         if (nla_parse_nested(local_func, NL80211_NAN_FUNC_ATTR_MAX,
 601                              match[NL80211_NAN_MATCH_FUNC_LOCAL],
 602                              nan_func_policy)) {
 603                 printf("NAN: failed to parse nan local func\n");
 604                 return;
 605         }
 606
 607         if (nla_parse_nested(peer_func, NL80211_NAN_FUNC_ATTR_MAX,
 608                               match[NL80211_NAN_MATCH_FUNC_PEER],
 609                               nan_func_policy)) {
 610                 printf("NAN: failed to parse nan local func\n");
 611                 return;
 612         }
 613
 614         if (nla_get_u8(peer_func[NL80211_NAN_FUNC_TYPE]) ==
 615             NL80211_NAN_FUNC_PUBLISH) {
 616                 printf(
 617                        "NAN(cookie=0x%llx): DiscoveryResult, peer_id=%d, local_id=%d, peer_mac=%s",
 618                        cookie,
 619                        nla_get_u8(peer_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 620                        nla_get_u8(local_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 621                        macbuf);
 622                 if (peer_func[NL80211_NAN_FUNC_SERVICE_INFO])
 623                         printf(", info=%.*s",
 624                                    nla_len(peer_func[NL80211_NAN_FUNC_SERVICE_INFO]),
 625                                (char *)nla_data(peer_func[NL80211_NAN_FUNC_SERVICE_INFO]));
 626         } else if (nla_get_u8(peer_func[NL80211_NAN_FUNC_TYPE]) ==
 627                    NL80211_NAN_FUNC_SUBSCRIBE) {
 628                 printf(
 629                        "NAN(cookie=0x%llx): Replied, peer_id=%d, local_id=%d, peer_mac=%s",
 630                        cookie,
 631                        nla_get_u8(peer_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 632                        nla_get_u8(local_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 633                        macbuf);
 634         } else if (nla_get_u8(peer_func[NL80211_NAN_FUNC_TYPE]) ==
 635                    NL80211_NAN_FUNC_FOLLOW_UP) {
 636                 printf(
 637                        "NAN(cookie=0x%llx): FollowUpReceive, peer_id=%d, local_id=%d, peer_mac=%s",
 638                        cookie,
 639                        nla_get_u8(peer_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 640                        nla_get_u8(local_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 641                        macbuf);
 642                 if (peer_func[NL80211_NAN_FUNC_SERVICE_INFO])
 643                         printf(", info=%.*s",
 644                                nla_len(peer_func[NL80211_NAN_FUNC_SERVICE_INFO]),
 645                                (char *)nla_data(peer_func[NL80211_NAN_FUNC_SERVICE_INFO]));
 646         } else {
 647                 printf("NaN: Malformed event");
 648         }
 649
 650         printf("\n");
 651 }
 652
 653 static int print_event(struct nl_msg *msg, void *arg)
 654 {
 655         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
 656         struct nlattr *tb[NL80211_ATTR_MAX + 1], *nst;
 657         struct print_event_args *args = arg;
 658         char ifname[100];
 659         char macbuf[6*3];
 660         __u8 reg_type;
 661         struct ieee80211_beacon_channel chan_before_beacon,  chan_after_beacon;
 662         __u32 wiphy_idx = 0;
 663         int rem_nst;
 664         __u16 status;
 665
 666         if (args->time || args->reltime) {
 667                 unsigned long long usecs, previous;
 668
 669                 previous = 1000000ULL * args->ts.tv_sec + args->ts.tv_usec;
 670                 gettimeofday(&args->ts, NULL);
 671                 usecs = 1000000ULL * args->ts.tv_sec + args->ts.tv_usec;
 672                 if (args->reltime) {
 673                         if (!args->have_ts) {
 674                                 usecs = 0;
 675                                 args->have_ts = true;
 676                         } else
 677                                 usecs -= previous;
 678                 }
 679                 printf("%llu.%06llu: ", usecs/1000000, usecs % 1000000);
 680         }
 681
 682         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
 683                   genlmsg_attrlen(gnlh, 0), NULL);
 684
 685         if (tb[NL80211_ATTR_IFINDEX] && tb[NL80211_ATTR_WIPHY]) {
 686                 if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), ifname);
 687                 printf("%s (phy #%d): ", ifname, nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 688         } else if (tb[NL80211_ATTR_WDEV] && tb[NL80211_ATTR_WIPHY]) {
 689                 printf("wdev 0x%llx (phy #%d): ",
 690                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_WDEV]),
 691                         nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 692         } else if (tb[NL80211_ATTR_IFINDEX]) {
 693                 if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), ifname);
 694                 printf("%s: ", ifname);
 695         } else if (tb[NL80211_ATTR_WDEV]) {
 696                 printf("wdev 0x%llx: ", (unsigned long long)nla_get_u64(tb[NL80211_ATTR_WDEV]));
 697         } else if (tb[NL80211_ATTR_WIPHY]) {
 698                 printf("phy #%d: ", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 699         }
 700
 701         switch (gnlh->cmd) {
 702         case NL80211_CMD_NEW_WIPHY:
 703                 printf("renamed to %s\n", nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]));
 704                 break;
 705         case NL80211_CMD_TRIGGER_SCAN:
 706                 printf("scan started\n");
 707                 break;
 708         case NL80211_CMD_NEW_SCAN_RESULTS:
 709                 printf("scan finished:");
 710                 /* fall through */
 711         case NL80211_CMD_SCAN_ABORTED:
 712                 if (gnlh->cmd == NL80211_CMD_SCAN_ABORTED)
 713                         printf("scan aborted:");
 714                 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
 715                         nla_for_each_nested(nst, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem_nst)
 716                                 printf(" %d", nla_get_u32(nst));
 717                         printf(",");
 718                 }
 719                 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
 720                         nla_for_each_nested(nst, tb[NL80211_ATTR_SCAN_SSIDS], rem_nst) {
 721                                 printf(" \"");
 722                                 print_ssid_escaped(nla_len(nst), nla_data(nst));
 723                                 printf("\"");
 724                         }
 725                 }
 726                 printf("\n");
 727                 break;
 728         case NL80211_CMD_START_SCHED_SCAN:
 729                 printf("scheduled scan started\n");
 730                 break;
 731         case NL80211_CMD_SCHED_SCAN_STOPPED:
 732                 printf("sched scan stopped\n");
 733                 break;
 734         case NL80211_CMD_SCHED_SCAN_RESULTS:
 735                 printf("got scheduled scan results\n");
 736                 break;
 737         case NL80211_CMD_REG_CHANGE:
 738                 printf("regulatory domain change: ");
 739
 740                 reg_type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
 741
 742                 switch (reg_type) {
 743                 case NL80211_REGDOM_TYPE_COUNTRY:
 744                         printf("set to %s by %s request",
 745                                nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
 746                                reg_initiator_to_string(nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR])));
 747                         if (tb[NL80211_ATTR_WIPHY])
 748                                 printf(" on phy%d", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 749                         break;
 750                 case NL80211_REGDOM_TYPE_WORLD:
 751                         printf("set to world roaming by %s request",
 752                                reg_initiator_to_string(nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR])));
 753                         break;
 754                 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
 755                         printf("custom world roaming rules in place on phy%d by %s request",
 756                                nla_get_u32(tb[NL80211_ATTR_WIPHY]),
 757                                reg_initiator_to_string(nla_get_u32(tb[NL80211_ATTR_REG_INITIATOR])));
 758                         break;
 759                 case NL80211_REGDOM_TYPE_INTERSECTION:
 760                         printf("intersection used due to a request made by %s",
 761                                reg_initiator_to_string(nla_get_u32(tb[NL80211_ATTR_REG_INITIATOR])));
 762                         if (tb[NL80211_ATTR_WIPHY])
 763                                 printf(" on phy%d", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 764                         break;
 765                 default:
 766                         printf("unknown source (upgrade this utility)");
 767                         break;
 768                 }
 769
 770                 printf("\n");
 771                 break;
 772         case NL80211_CMD_REG_BEACON_HINT:
 773
 774                 wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
 775
 776                 memset(&chan_before_beacon, 0, sizeof(chan_before_beacon));
 777                 memset(&chan_after_beacon, 0, sizeof(chan_after_beacon));
 778
 779                 if (parse_beacon_hint_chan(tb[NL80211_ATTR_FREQ_BEFORE],
 780                                            &chan_before_beacon))
 781                         break;
 782                 if (parse_beacon_hint_chan(tb[NL80211_ATTR_FREQ_AFTER],
 783                                            &chan_after_beacon))
 784                         break;
 785
 786                 if (chan_before_beacon.center_freq != chan_after_beacon.center_freq)
 787                         break;
 788
 789                 /* A beacon hint is sent _only_ if something _did_ change */
 790                 printf("beacon hint:\n");
 791
 792                 printf("phy%d %d MHz [%d]:\n",
 793                        wiphy_idx,
 794                        chan_before_beacon.center_freq,
 795                        ieee80211_frequency_to_channel(chan_before_beacon.center_freq));
 796
 797                 if (chan_before_beacon.no_ir && !chan_after_beacon.no_ir) {
 798                         if (chan_before_beacon.no_ibss && !chan_after_beacon.no_ibss)
 799                                 printf("\to Initiating radiation enabled\n");
 800                         else
 801                                 printf("\to active scan enabled\n");
 802                 } else if (chan_before_beacon.no_ibss && !chan_after_beacon.no_ibss) {
 803                         printf("\to ibss enabled\n");
 804                 }
 805
 806                 break;
 807         case NL80211_CMD_NEW_STATION:
 808                 mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
 809                 printf("new station %s\n", macbuf);
 810                 break;
 811         case NL80211_CMD_DEL_STATION:
 812                 mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
 813                 printf("del station %s\n", macbuf);
 814                 break;
 815         case NL80211_CMD_JOIN_IBSS:
 816                 mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
 817                 printf("IBSS %s joined\n", macbuf);
 818                 break;
 819         case NL80211_CMD_AUTHENTICATE:
 820                 printf("auth");
 821                 if (tb[NL80211_ATTR_FRAME])
 822                         print_frame(args, tb[NL80211_ATTR_FRAME]);
 823                 else if (tb[NL80211_ATTR_TIMED_OUT])
 824                         printf(": timed out");
 825                 else
 826                         printf(": unknown event");
 827                 printf("\n");
 828                 break;
 829         case NL80211_CMD_ASSOCIATE:
 830                 printf("assoc");
 831                 if (tb[NL80211_ATTR_FRAME])
 832                         print_frame(args, tb[NL80211_ATTR_FRAME]);
 833                 else if (tb[NL80211_ATTR_TIMED_OUT])
 834                         printf(": timed out");
 835                 else
 836                         printf(": unknown event");
 837                 printf("\n");
 838                 break;
 839         case NL80211_CMD_DEAUTHENTICATE:
 840                 printf("deauth");
 841                 print_frame(args, tb[NL80211_ATTR_FRAME]);
 842                 printf("\n");
 843                 break;
 844         case NL80211_CMD_DISASSOCIATE:
 845                 printf("disassoc");
 846                 print_frame(args, tb[NL80211_ATTR_FRAME]);
 847                 printf("\n");
 848                 break;
 849         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
 850                 printf("unprotected deauth");
 851                 print_frame(args, tb[NL80211_ATTR_FRAME]);
 852                 printf("\n");
 853                 break;
 854         case NL80211_CMD_UNPROT_DISASSOCIATE:
 855                 printf("unprotected disassoc");
 856                 print_frame(args, tb[NL80211_ATTR_FRAME]);
 857                 printf("\n");
 858                 break;
 859         case NL80211_CMD_CONNECT:
 860                 status = 0;
 861                 if (tb[NL80211_ATTR_TIMED_OUT])
 862                         printf("timed out");
 863                 else if (!tb[NL80211_ATTR_STATUS_CODE])
 864                         printf("unknown connect status");
 865                 else if (nla_get_u16(tb[NL80211_ATTR_STATUS_CODE]) == 0)
 866                         printf("connected");
 867                 else {
 868                         status = nla_get_u16(tb[NL80211_ATTR_STATUS_CODE]);
 869                         printf("failed to connect");
 870                 }
 871                 if (tb[NL80211_ATTR_MAC]) {
 872                         mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
 873                         printf(" to %s", macbuf);
 874                 }
 875                 if (status)
 876                         printf(", status: %d: %s", status, get_status_str(status));
 877                 printf("\n");
 878                 break;
 879         case NL80211_CMD_ROAM:
 880                 printf("roamed");
 881                 if (tb[NL80211_ATTR_MAC]) {
 882                         mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
 883                         printf(" to %s", macbuf);
 884                 }
 885                 printf("\n");
 886                 break;
 887         case NL80211_CMD_DISCONNECT:
 888                 printf("disconnected");
 889                 if (tb[NL80211_ATTR_DISCONNECTED_BY_AP])
 890                         printf(" (by AP)");
 891                 else
 892                         printf(" (local request)");
 893                 if (tb[NL80211_ATTR_REASON_CODE])
 894                         printf(" reason: %d: %s", nla_get_u16(tb[NL80211_ATTR_REASON_CODE]),
 895                                 get_reason_str(nla_get_u16(tb[NL80211_ATTR_REASON_CODE])));
 896                 printf("\n");
 897                 break;
 898         case NL80211_CMD_REMAIN_ON_CHANNEL:
 899                 printf("remain on freq %d (%dms, cookie %llx)\n",
 900                         nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]),
 901                         nla_get_u32(tb[NL80211_ATTR_DURATION]),
 902                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]));
 903                 break;
 904         case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
 905                 printf("done with remain on freq %d (cookie %llx)\n",
 906                         nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]),
 907                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]));
 908                 break;
 909         case NL80211_CMD_NOTIFY_CQM:
 910                 parse_cqm_event(tb);
 911                 break;
 912         case NL80211_CMD_MICHAEL_MIC_FAILURE:
 913                 parse_mic_failure(tb);
 914                 break;
 915         case NL80211_CMD_FRAME_TX_STATUS:
 916                 printf("mgmt TX status (cookie %llx): %s\n",
 917                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]),
 918                         tb[NL80211_ATTR_ACK] ? "acked" : "no ack");
 919                 break;
 920         case NL80211_CMD_PMKSA_CANDIDATE:
 921                 printf("PMKSA candidate found\n");
 922                 break;
 923         case NL80211_CMD_SET_WOWLAN:
 924                 parse_wowlan_wake_event(tb);
 925                 break;
 926         case NL80211_CMD_PROBE_CLIENT:
 927                 if (tb[NL80211_ATTR_MAC])
 928                         mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
 929                 else
 930                         strcpy(macbuf, "??");
 931                 printf("probe client %s (cookie %llx): %s\n",
 932                        macbuf,
 933                        (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]),
 934                        tb[NL80211_ATTR_ACK] ? "acked" : "no ack");
 935                 break;
 936         case NL80211_CMD_VENDOR:
 937                 printf("vendor event %.6x:%d\n",
 938                         nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]),
 939                         nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]));
 940                 if (args->frame && tb[NL80211_ATTR_VENDOR_DATA])
 941                         iw_hexdump("vendor event",
 942                                    nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
 943                                    nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
 944                 break;
 945         case NL80211_CMD_RADAR_DETECT: {
 946                 enum nl80211_radar_event event_type;
 947                 uint32_t freq;
 948
 949                 if (!tb[NL80211_ATTR_RADAR_EVENT] ||
 950                     !tb[NL80211_ATTR_WIPHY_FREQ]) {
 951                         printf("BAD radar event\n");
 952                         break;
 953                 }
 954
 955                 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
 956                 event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
 957
 958                 switch (event_type) {
 959                 case NL80211_RADAR_DETECTED:
 960                         printf("%d MHz: radar detected\n", freq);
 961                         break;
 962                 case NL80211_RADAR_CAC_FINISHED:
 963                         printf("%d MHz: CAC finished\n", freq);
 964                         break;
 965                 case NL80211_RADAR_CAC_ABORTED:
 966                         printf("%d MHz: CAC was aborted\n", freq);
 967                         break;
 968                 case NL80211_RADAR_NOP_FINISHED:
 969                         printf("%d MHz: NOP finished\n", freq);
 970                         break;
 971                 default:
 972                         printf("%d MHz: unknown radar event\n", freq);
 973                 }
 974                 }
 975                 break;
 976         case NL80211_CMD_DEL_WIPHY:
 977                 printf("delete wiphy\n");
 978                 break;
 979         case NL80211_CMD_PEER_MEASUREMENT_RESULT:
 980                 parse_pmsr_result(tb, args);
 981                 break;
 982         case NL80211_CMD_PEER_MEASUREMENT_COMPLETE:
 983                 printf("peer measurement complete\n");
 984                 break;
 985         case NL80211_CMD_DEL_NAN_FUNCTION:
 986                 parse_nan_term(tb);
 987                 break;
 988         case NL80211_CMD_NAN_MATCH: {
 989                 parse_nan_match(tb);
 990                 break;
 991         }
 992         default:
 993                 printf("unknown event %d (%s)\n",
 994                        gnlh->cmd, command_name(gnlh->cmd));
 995                 break;
 996         }
 997
 998         fflush(stdout);
 999         return NL_SKIP;
1000 }
1001
1002 struct wait_event {
1003         int n_cmds, n_prints;
1004         const __u32 *cmds;
1005         const __u32 *prints;
1006         __u32 cmd;
1007         struct print_event_args *pargs;
1008 };
1009
1010 static int wait_event(struct nl_msg *msg, void *arg)
1011 {
1012         struct wait_event *wait = arg;
1013         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1014         int i;
1015
1016         if (wait->pargs) {
1017                 for (i = 0; i < wait->n_prints; i++) {
1018                         if (gnlh->cmd == wait->prints[i])
1019                                 print_event(msg, wait->pargs);
1020                 }
1021         }
1022
1023         for (i = 0; i < wait->n_cmds; i++) {
1024                 if (gnlh->cmd == wait->cmds[i])
1025                         wait->cmd = gnlh->cmd;
1026         }
1027
1028         return NL_SKIP;
1029 }
1030
1031 int __prepare_listen_events(struct nl80211_state *state)
1032 {
1033         int mcid, ret;
1034
1035         /* Configuration multicast group */
1036         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "config");
1037         if (mcid < 0)
1038                 return mcid;
1039
1040         ret = nl_socket_add_membership(state->nl_sock, mcid);
1041         if (ret)
1042                 return ret;
1043
1044         /* Scan multicast group */
1045         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "scan");
1046         if (mcid >= 0) {
1047                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1048                 if (ret)
1049                         return ret;
1050         }
1051
1052         /* Regulatory multicast group */
1053         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "regulatory");
1054         if (mcid >= 0) {
1055                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1056                 if (ret)
1057                         return ret;
1058         }
1059
1060         /* MLME multicast group */
1061         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "mlme");
1062         if (mcid >= 0) {
1063                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1064                 if (ret)
1065                         return ret;
1066         }
1067
1068         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "vendor");
1069         if (mcid >= 0) {
1070                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1071                 if (ret)
1072                         return ret;
1073         }
1074
1075         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "nan");
1076         if (mcid >= 0) {
1077                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1078                 if (ret)
1079                         return ret;
1080         }
1081
1082         return 0;
1083 }
1084
1085 __u32 __do_listen_events(struct nl80211_state *state,
1086                          const int n_waits, const __u32 *waits,
1087                          const int n_prints, const __u32 *prints,
1088                          struct print_event_args *args)
1089 {
1090         struct nl_cb *cb = nl_cb_alloc(iw_debug ? NL_CB_DEBUG : NL_CB_DEFAULT);
1091         struct wait_event wait_ev;
1092
1093         if (!cb) {
1094                 fprintf(stderr, "failed to allocate netlink callbacks\n");
1095                 return -ENOMEM;
1096         }
1097
1098         /* no sequence checking for multicast messages */
1099         nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
1100         nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, valid_handler, NULL);
1101
1102         if (n_waits && waits) {
1103                 wait_ev.cmds = waits;
1104                 wait_ev.n_cmds = n_waits;
1105                 wait_ev.prints = prints;
1106                 wait_ev.n_prints = n_prints;
1107                 wait_ev.pargs = args;
1108                 register_handler(wait_event, &wait_ev);
1109         } else
1110                 register_handler(print_event, args);
1111
1112         wait_ev.cmd = 0;
1113
1114         while (!wait_ev.cmd)
1115                 nl_recvmsgs(state->nl_sock, cb);
1116
1117         nl_cb_put(cb);
1118
1119         return wait_ev.cmd;
1120 }
1121
1122 __u32 listen_events(struct nl80211_state *state,
1123                     const int n_waits, const __u32 *waits)
1124 {
1125         int ret;
1126
1127         ret = __prepare_listen_events(state);
1128         if (ret)
1129                 return ret;
1130
1131         return __do_listen_events(state, n_waits, waits, 0, NULL, NULL);
1132 }
1133
1134 static int print_events(struct nl80211_state *state,
1135                         struct nl_msg *msg,
1136                         int argc, char **argv,
1137                         enum id_input id)
1138 {
1139         struct print_event_args args;
1140         int ret;
1141
1142         memset(&args, 0, sizeof(args));
1143
1144         argc--;
1145         argv++;
1146
1147         while (argc > 0) {
1148                 if (strcmp(argv[0], "-f") == 0)
1149                         args.frame = true;
1150                 else if (strcmp(argv[0], "-t") == 0)
1151                         args.time = true;
1152                 else if (strcmp(argv[0], "-r") == 0)
1153                         args.reltime = true;
1154                 else
1155                         return 1;
1156                 argc--;
1157                 argv++;
1158         }
1159
1160         if (args.time && args.reltime)
1161                 return 1;
1162
1163         if (argc)
1164                 return 1;
1165
1166         ret = __prepare_listen_events(state);
1167         if (ret)
1168                 return ret;
1169
1170         return __do_listen_events(state, 0, NULL, 0, NULL, &args);
1171 }
1172 TOPLEVEL(event, "[-t|-r] [-f]", 0, 0, CIB_NONE, print_events,
1173         "Monitor events from the kernel.\n"
1174         "-t - print timestamp\n"
1175         "-r - print relative timstamp\n"
1176         "-f - print full frame for auth/assoc etc.");