util.c

   1 #include <ctype.h>
   2 #include <netlink/attr.h>
   3 #include <errno.h>
   4 #include <stdbool.h>
   5 #include "iw.h"
   6 #include "nl80211.h"
   7
   8 void mac_addr_n2a(char *mac_addr, unsigned char *arg)
   9 {
  10         int i, l;
  11
  12         l = 0;
  13         for (i = 0; i < ETH_ALEN ; i++) {
  14                 if (i == 0) {
  15                         sprintf(mac_addr+l, "%02x", arg[i]);
  16                         l += 2;
  17                 } else {
  18                         sprintf(mac_addr+l, ":%02x", arg[i]);
  19                         l += 3;
  20                 }
  21         }
  22 }
  23
  24 int mac_addr_a2n(unsigned char *mac_addr, char *arg)
  25 {
  26         int i;
  27
  28         for (i = 0; i < ETH_ALEN ; i++) {
  29                 int temp;
  30                 char *cp = strchr(arg, ':');
  31                 if (cp) {
  32                         *cp = 0;
  33                         cp++;
  34                 }
  35                 if (sscanf(arg, "%x", &temp) != 1)
  36                         return -1;
  37                 if (temp < 0 || temp > 255)
  38                         return -1;
  39
  40                 mac_addr[i] = temp;
  41                 if (!cp)
  42                         break;
  43                 arg = cp;
  44         }
  45         if (i < ETH_ALEN - 1)
  46                 return -1;
  47
  48         return 0;
  49 }
  50
  51 int parse_hex_mask(char *hexmask, unsigned char **result, size_t *result_len,
  52                    unsigned char **mask)
  53 {
  54         size_t len = strlen(hexmask) / 2;
  55         unsigned char *result_val;
  56         unsigned char *result_mask = NULL;
  57
  58         int pos = 0;
  59
  60         *result_len = 0;
  61
  62         result_val = calloc(len + 2, 1);
  63         if (!result_val)
  64                 goto error;
  65         *result = result_val;
  66         if (mask) {
  67                 result_mask = calloc(DIV_ROUND_UP(len, 8) + 2, 1);
  68                 if (!result_mask)
  69                         goto error;
  70                 *mask = result_mask;
  71         }
  72
  73         while (1) {
  74                 char *cp = strchr(hexmask, ':');
  75                 if (cp) {
  76                         *cp = 0;
  77                         cp++;
  78                 }
  79
  80                 if (result_mask && (strcmp(hexmask, "-") == 0 ||
  81                                     strcmp(hexmask, "xx") == 0 ||
  82                                     strcmp(hexmask, "--") == 0)) {
  83                         /* skip this byte and leave mask bit unset */
  84                 } else {
  85                         int temp, mask_pos;
  86                         char *end;
  87
  88                         temp = strtoul(hexmask, &end, 16);
  89                         if (*end)
  90                                 goto error;
  91                         if (temp < 0 || temp > 255)
  92                                 goto error;
  93                         result_val[pos] = temp;
  94
  95                         mask_pos = pos / 8;
  96                         if (result_mask)
  97                                 result_mask[mask_pos] |= 1 << (pos % 8);
  98                 }
  99
 100                 (*result_len)++;
 101                 pos++;
 102
 103                 if (!cp)
 104                         break;
 105                 hexmask = cp;
 106         }
 107
 108         return 0;
 109  error:
 110         free(result_val);
 111         free(result_mask);
 112         return -1;
 113 }
 114
 115 unsigned char *parse_hex(char *hex, size_t *outlen)
 116 {
 117         unsigned char *result;
 118
 119         if (parse_hex_mask(hex, &result, outlen, NULL))
 120                 return NULL;
 121         return result;
 122 }
 123
 124 static const char *ifmodes[NL80211_IFTYPE_MAX + 1] = {
 125         "unspecified",
 126         "IBSS",
 127         "managed",
 128         "AP",
 129         "AP/VLAN",
 130         "WDS",
 131         "monitor",
 132         "mesh point",
 133         "P2P-client",
 134         "P2P-GO",
 135         "P2P-device",
 136 };
 137
 138 static char modebuf[100];
 139
 140 const char *iftype_name(enum nl80211_iftype iftype)
 141 {
 142         if (iftype <= NL80211_IFTYPE_MAX && ifmodes[iftype])
 143                 return ifmodes[iftype];
 144         sprintf(modebuf, "Unknown mode (%d)", iftype);
 145         return modebuf;
 146 }
 147
 148 static const char *commands[NL80211_CMD_MAX + 1] = {
 149 /*
 150  * sed 's/^\tNL80211_CMD_//;t n;d;:n s%^\([^=]*\),.*%\t[NL80211_CMD_\1] = \"\L\1\",%;t;d' nl80211.h
 151  */
 152         [NL80211_CMD_UNSPEC] = "unspec",
 153         [NL80211_CMD_GET_WIPHY] = "get_wiphy",
 154         [NL80211_CMD_SET_WIPHY] = "set_wiphy",
 155         [NL80211_CMD_NEW_WIPHY] = "new_wiphy",
 156         [NL80211_CMD_DEL_WIPHY] = "del_wiphy",
 157         [NL80211_CMD_GET_INTERFACE] = "get_interface",
 158         [NL80211_CMD_SET_INTERFACE] = "set_interface",
 159         [NL80211_CMD_NEW_INTERFACE] = "new_interface",
 160         [NL80211_CMD_DEL_INTERFACE] = "del_interface",
 161         [NL80211_CMD_GET_KEY] = "get_key",
 162         [NL80211_CMD_SET_KEY] = "set_key",
 163         [NL80211_CMD_NEW_KEY] = "new_key",
 164         [NL80211_CMD_DEL_KEY] = "del_key",
 165         [NL80211_CMD_GET_BEACON] = "get_beacon",
 166         [NL80211_CMD_SET_BEACON] = "set_beacon",
 167         [NL80211_CMD_START_AP] = "start_ap",
 168         [NL80211_CMD_STOP_AP] = "stop_ap",
 169         [NL80211_CMD_GET_STATION] = "get_station",
 170         [NL80211_CMD_SET_STATION] = "set_station",
 171         [NL80211_CMD_NEW_STATION] = "new_station",
 172         [NL80211_CMD_DEL_STATION] = "del_station",
 173         [NL80211_CMD_GET_MPATH] = "get_mpath",
 174         [NL80211_CMD_SET_MPATH] = "set_mpath",
 175         [NL80211_CMD_NEW_MPATH] = "new_mpath",
 176         [NL80211_CMD_DEL_MPATH] = "del_mpath",
 177         [NL80211_CMD_SET_BSS] = "set_bss",
 178         [NL80211_CMD_SET_REG] = "set_reg",
 179         [NL80211_CMD_REQ_SET_REG] = "req_set_reg",
 180         [NL80211_CMD_GET_MESH_CONFIG] = "get_mesh_config",
 181         [NL80211_CMD_SET_MESH_CONFIG] = "set_mesh_config",
 182         [NL80211_CMD_GET_REG] = "get_reg",
 183         [NL80211_CMD_GET_SCAN] = "get_scan",
 184         [NL80211_CMD_TRIGGER_SCAN] = "trigger_scan",
 185         [NL80211_CMD_NEW_SCAN_RESULTS] = "new_scan_results",
 186         [NL80211_CMD_SCAN_ABORTED] = "scan_aborted",
 187         [NL80211_CMD_REG_CHANGE] = "reg_change",
 188         [NL80211_CMD_AUTHENTICATE] = "authenticate",
 189         [NL80211_CMD_ASSOCIATE] = "associate",
 190         [NL80211_CMD_DEAUTHENTICATE] = "deauthenticate",
 191         [NL80211_CMD_DISASSOCIATE] = "disassociate",
 192         [NL80211_CMD_MICHAEL_MIC_FAILURE] = "michael_mic_failure",
 193         [NL80211_CMD_REG_BEACON_HINT] = "reg_beacon_hint",
 194         [NL80211_CMD_JOIN_IBSS] = "join_ibss",
 195         [NL80211_CMD_LEAVE_IBSS] = "leave_ibss",
 196         [NL80211_CMD_TESTMODE] = "testmode",
 197         [NL80211_CMD_CONNECT] = "connect",
 198         [NL80211_CMD_ROAM] = "roam",
 199         [NL80211_CMD_DISCONNECT] = "disconnect",
 200         [NL80211_CMD_SET_WIPHY_NETNS] = "set_wiphy_netns",
 201         [NL80211_CMD_GET_SURVEY] = "get_survey",
 202         [NL80211_CMD_NEW_SURVEY_RESULTS] = "new_survey_results",
 203         [NL80211_CMD_SET_PMKSA] = "set_pmksa",
 204         [NL80211_CMD_DEL_PMKSA] = "del_pmksa",
 205         [NL80211_CMD_FLUSH_PMKSA] = "flush_pmksa",
 206         [NL80211_CMD_REMAIN_ON_CHANNEL] = "remain_on_channel",
 207         [NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL] = "cancel_remain_on_channel",
 208         [NL80211_CMD_SET_TX_BITRATE_MASK] = "set_tx_bitrate_mask",
 209         [NL80211_CMD_REGISTER_FRAME] = "register_frame",
 210         [NL80211_CMD_FRAME] = "frame",
 211         [NL80211_CMD_FRAME_TX_STATUS] = "frame_tx_status",
 212         [NL80211_CMD_SET_POWER_SAVE] = "set_power_save",
 213         [NL80211_CMD_GET_POWER_SAVE] = "get_power_save",
 214         [NL80211_CMD_SET_CQM] = "set_cqm",
 215         [NL80211_CMD_NOTIFY_CQM] = "notify_cqm",
 216         [NL80211_CMD_SET_CHANNEL] = "set_channel",
 217         [NL80211_CMD_SET_WDS_PEER] = "set_wds_peer",
 218         [NL80211_CMD_FRAME_WAIT_CANCEL] = "frame_wait_cancel",
 219         [NL80211_CMD_JOIN_MESH] = "join_mesh",
 220         [NL80211_CMD_LEAVE_MESH] = "leave_mesh",
 221         [NL80211_CMD_UNPROT_DEAUTHENTICATE] = "unprot_deauthenticate",
 222         [NL80211_CMD_UNPROT_DISASSOCIATE] = "unprot_disassociate",
 223         [NL80211_CMD_NEW_PEER_CANDIDATE] = "new_peer_candidate",
 224         [NL80211_CMD_GET_WOWLAN] = "get_wowlan",
 225         [NL80211_CMD_SET_WOWLAN] = "set_wowlan",
 226         [NL80211_CMD_START_SCHED_SCAN] = "start_sched_scan",
 227         [NL80211_CMD_STOP_SCHED_SCAN] = "stop_sched_scan",
 228         [NL80211_CMD_SCHED_SCAN_RESULTS] = "sched_scan_results",
 229         [NL80211_CMD_SCHED_SCAN_STOPPED] = "sched_scan_stopped",
 230         [NL80211_CMD_SET_REKEY_OFFLOAD] = "set_rekey_offload",
 231         [NL80211_CMD_PMKSA_CANDIDATE] = "pmksa_candidate",
 232         [NL80211_CMD_TDLS_OPER] = "tdls_oper",
 233         [NL80211_CMD_TDLS_MGMT] = "tdls_mgmt",
 234         [NL80211_CMD_UNEXPECTED_FRAME] = "unexpected_frame",
 235         [NL80211_CMD_PROBE_CLIENT] = "probe_client",
 236         [NL80211_CMD_REGISTER_BEACONS] = "register_beacons",
 237         [NL80211_CMD_UNEXPECTED_4ADDR_FRAME] = "unexpected_4addr_frame",
 238         [NL80211_CMD_SET_NOACK_MAP] = "set_noack_map",
 239         [NL80211_CMD_CH_SWITCH_NOTIFY] = "ch_switch_notify",
 240 };
 241
 242 static char cmdbuf[100];
 243
 244 const char *command_name(enum nl80211_commands cmd)
 245 {
 246         if (cmd <= NL80211_CMD_MAX && commands[cmd])
 247                 return commands[cmd];
 248         sprintf(cmdbuf, "Unknown command (%d)", cmd);
 249         return cmdbuf;
 250 }
 251
 252 int ieee80211_channel_to_frequency(int chan)
 253 {
 254         if (chan < 14)
 255                 return 2407 + chan * 5;
 256
 257         if (chan == 14)
 258                 return 2484;
 259
 260         /* FIXME: dot11ChannelStartingFactor (802.11-2007 17.3.8.3.2) */
 261         return (chan + 1000) * 5;
 262 }
 263
 264 int ieee80211_frequency_to_channel(int freq)
 265 {
 266         if (freq == 2484)
 267                 return 14;
 268
 269         if (freq < 2484)
 270                 return (freq - 2407) / 5;
 271
 272         /* FIXME: dot11ChannelStartingFactor (802.11-2007 17.3.8.3.2) */
 273         if (freq < 45000)
 274                 return freq/5 - 1000;
 275
 276         if (freq >= 58320 && freq <= 64800)
 277                 return (freq - 56160) / 2160;
 278
 279         return 0;
 280 }
 281
 282 void print_ssid_escaped(const uint8_t len, const uint8_t *data)
 283 {
 284         int i;
 285
 286         for (i = 0; i < len; i++) {
 287                 if (isprint(data[i]) && data[i] != ' ' && data[i] != '\\')
 288                         printf("%c", data[i]);
 289                 else if (data[i] == ' ' &&
 290                          (i != 0 && i != len -1))
 291                         printf(" ");
 292                 else
 293                         printf("\\x%.2x", data[i]);
 294         }
 295 }
 296
 297 static int hex2num(char digit)
 298 {
 299         if (!isxdigit(digit))
 300                 return -1;
 301         if (isdigit(digit))
 302                 return digit - '0';
 303         return tolower(digit) - 'a' + 10;
 304 }
 305
 306 static int hex2byte(char *hex)
 307 {
 308         int d1, d2;
 309
 310         d1 = hex2num(hex[0]);
 311         if (d1 < 0)
 312                 return -1;
 313         d2 = hex2num(hex[1]);
 314         if (d2 < 0)
 315                 return -1;
 316         return (d1 << 4) | d2;
 317 }
 318
 319 static char *hex2bin(char *hex, char *buf)
 320 {
 321         char *result = buf;
 322         int d;
 323
 324         while (hex[0]) {
 325                 d = hex2byte(hex);
 326                 if (d < 0)
 327                         return NULL;
 328                 buf[0] = d;
 329                 buf++;
 330                 hex += 2;
 331         }
 332
 333         return result;
 334 }
 335
 336 int parse_keys(struct nl_msg *msg, char **argv, int argc)
 337 {
 338         struct nlattr *keys;
 339         int i = 0;
 340         bool have_default = false;
 341         char keybuf[13];
 342
 343         if (!argc)
 344                 return 1;
 345
 346         NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY);
 347
 348         keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
 349         if (!keys)
 350                 return -ENOBUFS;
 351
 352         do {
 353                 char *arg = *argv;
 354                 int pos = 0, keylen;
 355                 struct nlattr *key = nla_nest_start(msg, ++i);
 356                 char *keydata;
 357
 358                 if (!key)
 359                         return -ENOBUFS;
 360
 361                 if (arg[pos] == 'd') {
 362                         NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
 363                         pos++;
 364                         if (arg[pos] == ':')
 365                                 pos++;
 366                         have_default = true;
 367                 }
 368
 369                 if (!isdigit(arg[pos]))
 370                         goto explain;
 371                 NLA_PUT_U8(msg, NL80211_KEY_IDX, arg[pos++] - '0');
 372                 if (arg[pos++] != ':')
 373                         goto explain;
 374                 keydata = arg + pos;
 375                 switch (strlen(keydata)) {
 376                 case 10:
 377                         keydata = hex2bin(keydata, keybuf);
 378                 case 5:
 379                         NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC01);
 380                         keylen = 5;
 381                         break;
 382                 case 26:
 383                         keydata = hex2bin(keydata, keybuf);
 384                 case 13:
 385                         NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC05);
 386                         keylen = 13;
 387                         break;
 388                 default:
 389                         goto explain;
 390                 }
 391
 392                 if (!keydata)
 393                         goto explain;
 394
 395                 NLA_PUT(msg, NL80211_KEY_DATA, keylen, keydata);
 396
 397                 argv++;
 398                 argc--;
 399
 400                 /* one key should be TX key */
 401                 if (!have_default && !argc)
 402                         NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT);
 403
 404                 nla_nest_end(msg, key);
 405         } while (argc);
 406
 407         nla_nest_end(msg, keys);
 408
 409         return 0;
 410  nla_put_failure:
 411         return -ENOBUFS;
 412  explain:
 413         fprintf(stderr, "key must be [d:]index:data where\n"
 414                         "  'd:'     means default (transmit) key\n"
 415                         "  'index:' is a single digit (0-3)\n"
 416                         "  'data'   must be 5 or 13 ascii chars\n"
 417                         "           or 10 or 26 hex digits\n"
 418                         "for example: d:2:6162636465 is the same as d:2:abcde\n");
 419         return 2;
 420 }
 421
 422 static void print_mcs_index(const __u8 *mcs)
 423 {
 424         int mcs_bit, prev_bit = -2, prev_cont = 0;
 425
 426         for (mcs_bit = 0; mcs_bit <= 76; mcs_bit++) {
 427                 unsigned int mcs_octet = mcs_bit/8;
 428                 unsigned int MCS_RATE_BIT = 1 << mcs_bit % 8;
 429                 bool mcs_rate_idx_set;
 430
 431                 mcs_rate_idx_set = !!(mcs[mcs_octet] & MCS_RATE_BIT);
 432
 433                 if (!mcs_rate_idx_set)
 434                         continue;
 435
 436                 if (prev_bit != mcs_bit - 1) {
 437                         if (prev_bit != -2)
 438                                 printf("%d, ", prev_bit);
 439                         else
 440                                 printf(" ");
 441                         printf("%d", mcs_bit);
 442                         prev_cont = 0;
 443                 } else if (!prev_cont) {
 444                         printf("-");
 445                         prev_cont = 1;
 446                 }
 447
 448                 prev_bit = mcs_bit;
 449         }
 450
 451         if (prev_cont)
 452                 printf("%d", prev_bit);
 453         printf("\n");
 454 }
 455
 456 /*
 457  * There are only 4 possible values, we just use a case instead of computing it,
 458  * but technically this can also be computed through the formula:
 459  *
 460  * Max AMPDU length = (2 ^ (13 + exponent)) - 1 bytes
 461  */
 462 static __u32 compute_ampdu_length(__u8 exponent)
 463 {
 464         switch (exponent) {
 465         case 0: return 8191;  /* (2 ^(13 + 0)) -1 */
 466         case 1: return 16383; /* (2 ^(13 + 1)) -1 */
 467         case 2: return 32767; /* (2 ^(13 + 2)) -1 */
 468         case 3: return 65535; /* (2 ^(13 + 3)) -1 */
 469         default: return 0;
 470         }
 471 }
 472
 473 static const char *print_ampdu_space(__u8 space)
 474 {
 475         switch (space) {
 476         case 0: return "No restriction";
 477         case 1: return "1/4 usec";
 478         case 2: return "1/2 usec";
 479         case 3: return "1 usec";
 480         case 4: return "2 usec";
 481         case 5: return "4 usec";
 482         case 6: return "8 usec";
 483         case 7: return "16 usec";
 484         default:
 485                 return "BUG (spacing more than 3 bits!)";
 486         }
 487 }
 488
 489 void print_ampdu_length(__u8 exponent)
 490 {
 491         __u32 max_ampdu_length;
 492
 493         max_ampdu_length = compute_ampdu_length(exponent);
 494
 495         if (max_ampdu_length) {
 496                 printf("\t\tMaximum RX AMPDU length %d bytes (exponent: 0x0%02x)\n",
 497                        max_ampdu_length, exponent);
 498         } else {
 499                 printf("\t\tMaximum RX AMPDU length: unrecognized bytes "
 500                        "(exponent: %d)\n", exponent);
 501         }
 502 }
 503
 504 void print_ampdu_spacing(__u8 spacing)
 505 {
 506         printf("\t\tMinimum RX AMPDU time spacing: %s (0x%02x)\n",
 507                print_ampdu_space(spacing), spacing);
 508 }
 509
 510 void print_ht_capability(__u16 cap)
 511 {
 512 #define PRINT_HT_CAP(_cond, _str) \
 513         do { \
 514                 if (_cond) \
 515                         printf("\t\t\t" _str "\n"); \
 516         } while (0)
 517
 518         printf("\t\tCapabilities: 0x%02x\n", cap);
 519
 520         PRINT_HT_CAP((cap & BIT(0)), "RX LDPC");
 521         PRINT_HT_CAP((cap & BIT(1)), "HT20/HT40");
 522         PRINT_HT_CAP(!(cap & BIT(1)), "HT20");
 523
 524         PRINT_HT_CAP(((cap >> 2) & 0x3) == 0, "Static SM Power Save");
 525         PRINT_HT_CAP(((cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
 526         PRINT_HT_CAP(((cap >> 2) & 0x3) == 3, "SM Power Save disabled");
 527
 528         PRINT_HT_CAP((cap & BIT(4)), "RX Greenfield");
 529         PRINT_HT_CAP((cap & BIT(5)), "RX HT20 SGI");
 530         PRINT_HT_CAP((cap & BIT(6)), "RX HT40 SGI");
 531         PRINT_HT_CAP((cap & BIT(7)), "TX STBC");
 532
 533         PRINT_HT_CAP(((cap >> 8) & 0x3) == 0, "No RX STBC");
 534         PRINT_HT_CAP(((cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
 535         PRINT_HT_CAP(((cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
 536         PRINT_HT_CAP(((cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
 537
 538         PRINT_HT_CAP((cap & BIT(10)), "HT Delayed Block Ack");
 539
 540         PRINT_HT_CAP(!(cap & BIT(11)), "Max AMSDU length: 3839 bytes");
 541         PRINT_HT_CAP((cap & BIT(11)), "Max AMSDU length: 7935 bytes");
 542
 543         /*
 544          * For beacons and probe response this would mean the BSS
 545          * does or does not allow the usage of DSSS/CCK HT40.
 546          * Otherwise it means the STA does or does not use
 547          * DSSS/CCK HT40.
 548          */
 549         PRINT_HT_CAP((cap & BIT(12)), "DSSS/CCK HT40");
 550         PRINT_HT_CAP(!(cap & BIT(12)), "No DSSS/CCK HT40");
 551
 552         /* BIT(13) is reserved */
 553
 554         PRINT_HT_CAP((cap & BIT(14)), "40 MHz Intolerant");
 555
 556         PRINT_HT_CAP((cap & BIT(15)), "L-SIG TXOP protection");
 557 #undef PRINT_HT_CAP
 558 }
 559
 560 void print_ht_mcs(const __u8 *mcs)
 561 {
 562         /* As defined in 7.3.2.57.4 Supported MCS Set field */
 563         unsigned int tx_max_num_spatial_streams, max_rx_supp_data_rate;
 564         bool tx_mcs_set_defined, tx_mcs_set_equal, tx_unequal_modulation;
 565
 566         max_rx_supp_data_rate = ((mcs[10] >> 8) & ((mcs[11] & 0x3) << 8));
 567         tx_mcs_set_defined = !!(mcs[12] & (1 << 0));
 568         tx_mcs_set_equal = !(mcs[12] & (1 << 1));
 569         tx_max_num_spatial_streams = ((mcs[12] >> 2) & 3) + 1;
 570         tx_unequal_modulation = !!(mcs[12] & (1 << 4));
 571
 572         if (max_rx_supp_data_rate)
 573                 printf("\t\tHT Max RX data rate: %d Mbps\n", max_rx_supp_data_rate);
 574         /* XXX: else see 9.6.0e.5.3 how to get this I think */
 575
 576         if (tx_mcs_set_defined) {
 577                 if (tx_mcs_set_equal) {
 578                         printf("\t\tHT TX/RX MCS rate indexes supported:");
 579                         print_mcs_index(mcs);
 580                 } else {
 581                         printf("\t\tHT RX MCS rate indexes supported:");
 582                         print_mcs_index(mcs);
 583
 584                         if (tx_unequal_modulation)
 585                                 printf("\t\tTX unequal modulation supported\n");
 586                         else
 587                                 printf("\t\tTX unequal modulation not supported\n");
 588
 589                         printf("\t\tHT TX Max spatial streams: %d\n",
 590                                 tx_max_num_spatial_streams);
 591
 592                         printf("\t\tHT TX MCS rate indexes supported may differ\n");
 593                 }
 594         } else {
 595                 printf("\t\tHT RX MCS rate indexes supported:");
 596                 print_mcs_index(mcs);
 597                 printf("\t\tHT TX MCS rate indexes are undefined\n");
 598         }
 599 }