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 "outside context of a BSS", 137 }; 138 139 static char modebuf[100]; 140 141 const char *iftype_name(enum nl80211_iftype iftype) 142 { 143 if (iftype <= NL80211_IFTYPE_MAX && ifmodes[iftype]) 144 return ifmodes[iftype]; 145 sprintf(modebuf, "Unknown mode (%d)", iftype); 146 return modebuf; 147 } 148 149 static const char *commands[NL80211_CMD_MAX + 1] = { 150 /* 151 * sed 's/^\tNL80211_CMD_//;t n;d;:n s%^\([^=]*\),.*%\t[NL80211_CMD_\1] = \"\L\1\",%;t;d' nl80211.h 152 */ 153 [NL80211_CMD_UNSPEC] = "unspec", 154 [NL80211_CMD_GET_WIPHY] = "get_wiphy", 155 [NL80211_CMD_SET_WIPHY] = "set_wiphy", 156 [NL80211_CMD_NEW_WIPHY] = "new_wiphy", 157 [NL80211_CMD_DEL_WIPHY] = "del_wiphy", 158 [NL80211_CMD_GET_INTERFACE] = "get_interface", 159 [NL80211_CMD_SET_INTERFACE] = "set_interface", 160 [NL80211_CMD_NEW_INTERFACE] = "new_interface", 161 [NL80211_CMD_DEL_INTERFACE] = "del_interface", 162 [NL80211_CMD_GET_KEY] = "get_key", 163 [NL80211_CMD_SET_KEY] = "set_key", 164 [NL80211_CMD_NEW_KEY] = "new_key", 165 [NL80211_CMD_DEL_KEY] = "del_key", 166 [NL80211_CMD_GET_BEACON] = "get_beacon", 167 [NL80211_CMD_SET_BEACON] = "set_beacon", 168 [NL80211_CMD_START_AP] = "start_ap", 169 [NL80211_CMD_STOP_AP] = "stop_ap", 170 [NL80211_CMD_GET_STATION] = "get_station", 171 [NL80211_CMD_SET_STATION] = "set_station", 172 [NL80211_CMD_NEW_STATION] = "new_station", 173 [NL80211_CMD_DEL_STATION] = "del_station", 174 [NL80211_CMD_GET_MPATH] = "get_mpath", 175 [NL80211_CMD_SET_MPATH] = "set_mpath", 176 [NL80211_CMD_NEW_MPATH] = "new_mpath", 177 [NL80211_CMD_DEL_MPATH] = "del_mpath", 178 [NL80211_CMD_SET_BSS] = "set_bss", 179 [NL80211_CMD_SET_REG] = "set_reg", 180 [NL80211_CMD_REQ_SET_REG] = "req_set_reg", 181 [NL80211_CMD_GET_MESH_CONFIG] = "get_mesh_config", 182 [NL80211_CMD_SET_MESH_CONFIG] = "set_mesh_config", 183 [NL80211_CMD_GET_REG] = "get_reg", 184 [NL80211_CMD_GET_SCAN] = "get_scan", 185 [NL80211_CMD_TRIGGER_SCAN] = "trigger_scan", 186 [NL80211_CMD_NEW_SCAN_RESULTS] = "new_scan_results", 187 [NL80211_CMD_SCAN_ABORTED] = "scan_aborted", 188 [NL80211_CMD_REG_CHANGE] = "reg_change", 189 [NL80211_CMD_AUTHENTICATE] = "authenticate", 190 [NL80211_CMD_ASSOCIATE] = "associate", 191 [NL80211_CMD_DEAUTHENTICATE] = "deauthenticate", 192 [NL80211_CMD_DISASSOCIATE] = "disassociate", 193 [NL80211_CMD_MICHAEL_MIC_FAILURE] = "michael_mic_failure", 194 [NL80211_CMD_REG_BEACON_HINT] = "reg_beacon_hint", 195 [NL80211_CMD_JOIN_IBSS] = "join_ibss", 196 [NL80211_CMD_LEAVE_IBSS] = "leave_ibss", 197 [NL80211_CMD_TESTMODE] = "testmode", 198 [NL80211_CMD_CONNECT] = "connect", 199 [NL80211_CMD_ROAM] = "roam", 200 [NL80211_CMD_DISCONNECT] = "disconnect", 201 [NL80211_CMD_SET_WIPHY_NETNS] = "set_wiphy_netns", 202 [NL80211_CMD_GET_SURVEY] = "get_survey", 203 [NL80211_CMD_NEW_SURVEY_RESULTS] = "new_survey_results", 204 [NL80211_CMD_SET_PMKSA] = "set_pmksa", 205 [NL80211_CMD_DEL_PMKSA] = "del_pmksa", 206 [NL80211_CMD_FLUSH_PMKSA] = "flush_pmksa", 207 [NL80211_CMD_REMAIN_ON_CHANNEL] = "remain_on_channel", 208 [NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL] = "cancel_remain_on_channel", 209 [NL80211_CMD_SET_TX_BITRATE_MASK] = "set_tx_bitrate_mask", 210 [NL80211_CMD_REGISTER_FRAME] = "register_frame", 211 [NL80211_CMD_FRAME] = "frame", 212 [NL80211_CMD_FRAME_TX_STATUS] = "frame_tx_status", 213 [NL80211_CMD_SET_POWER_SAVE] = "set_power_save", 214 [NL80211_CMD_GET_POWER_SAVE] = "get_power_save", 215 [NL80211_CMD_SET_CQM] = "set_cqm", 216 [NL80211_CMD_NOTIFY_CQM] = "notify_cqm", 217 [NL80211_CMD_SET_CHANNEL] = "set_channel", 218 [NL80211_CMD_SET_WDS_PEER] = "set_wds_peer", 219 [NL80211_CMD_FRAME_WAIT_CANCEL] = "frame_wait_cancel", 220 [NL80211_CMD_JOIN_MESH] = "join_mesh", 221 [NL80211_CMD_LEAVE_MESH] = "leave_mesh", 222 [NL80211_CMD_UNPROT_DEAUTHENTICATE] = "unprot_deauthenticate", 223 [NL80211_CMD_UNPROT_DISASSOCIATE] = "unprot_disassociate", 224 [NL80211_CMD_NEW_PEER_CANDIDATE] = "new_peer_candidate", 225 [NL80211_CMD_GET_WOWLAN] = "get_wowlan", 226 [NL80211_CMD_SET_WOWLAN] = "set_wowlan", 227 [NL80211_CMD_START_SCHED_SCAN] = "start_sched_scan", 228 [NL80211_CMD_STOP_SCHED_SCAN] = "stop_sched_scan", 229 [NL80211_CMD_SCHED_SCAN_RESULTS] = "sched_scan_results", 230 [NL80211_CMD_SCHED_SCAN_STOPPED] = "sched_scan_stopped", 231 [NL80211_CMD_SET_REKEY_OFFLOAD] = "set_rekey_offload", 232 [NL80211_CMD_PMKSA_CANDIDATE] = "pmksa_candidate", 233 [NL80211_CMD_TDLS_OPER] = "tdls_oper", 234 [NL80211_CMD_TDLS_MGMT] = "tdls_mgmt", 235 [NL80211_CMD_UNEXPECTED_FRAME] = "unexpected_frame", 236 [NL80211_CMD_PROBE_CLIENT] = "probe_client", 237 [NL80211_CMD_REGISTER_BEACONS] = "register_beacons", 238 [NL80211_CMD_UNEXPECTED_4ADDR_FRAME] = "unexpected_4addr_frame", 239 [NL80211_CMD_SET_NOACK_MAP] = "set_noack_map", 240 [NL80211_CMD_CH_SWITCH_NOTIFY] = "ch_switch_notify", 241 [NL80211_CMD_START_P2P_DEVICE] = "start_p2p_device", 242 [NL80211_CMD_STOP_P2P_DEVICE] = "stop_p2p_device", 243 [NL80211_CMD_CONN_FAILED] = "conn_failed", 244 [NL80211_CMD_SET_MCAST_RATE] = "set_mcast_rate", 245 [NL80211_CMD_SET_MAC_ACL] = "set_mac_acl", 246 [NL80211_CMD_RADAR_DETECT] = "radar_detect", 247 [NL80211_CMD_GET_PROTOCOL_FEATURES] = "get_protocol_features", 248 [NL80211_CMD_UPDATE_FT_IES] = "update_ft_ies", 249 [NL80211_CMD_FT_EVENT] = "ft_event", 250 [NL80211_CMD_CRIT_PROTOCOL_START] = "crit_protocol_start", 251 [NL80211_CMD_CRIT_PROTOCOL_STOP] = "crit_protocol_stop", 252 [NL80211_CMD_GET_COALESCE] = "get_coalesce", 253 [NL80211_CMD_SET_COALESCE] = "set_coalesce", 254 [NL80211_CMD_CHANNEL_SWITCH] = "channel_switch", 255 [NL80211_CMD_VENDOR] = "vendor", 256 [NL80211_CMD_SET_QOS_MAP] = "set_qos_map", 257 [NL80211_CMD_ADD_TX_TS] = "add_tx_ts", 258 [NL80211_CMD_DEL_TX_TS] = "del_tx_ts", 259 [NL80211_CMD_GET_MPP] = "get_mpp", 260 [NL80211_CMD_JOIN_OCB] = "join_ocb", 261 [NL80211_CMD_LEAVE_OCB] = "leave_ocb", 262 [NL80211_CMD_CH_SWITCH_STARTED_NOTIFY] = "ch_switch_started_notify", 263 }; 264 265 static char cmdbuf[100]; 266 267 const char *command_name(enum nl80211_commands cmd) 268 { 269 if (cmd <= NL80211_CMD_MAX && commands[cmd]) 270 return commands[cmd]; 271 sprintf(cmdbuf, "Unknown command (%d)", cmd); 272 return cmdbuf; 273 } 274 275 int ieee80211_channel_to_frequency(int chan, enum nl80211_band band) 276 { 277 /* see 802.11 17.3.8.3.2 and Annex J 278 * there are overlapping channel numbers in 5GHz and 2GHz bands */ 279 if (chan <= 0) 280 return 0; /* not supported */ 281 switch (band) { 282 case NL80211_BAND_2GHZ: 283 if (chan == 14) 284 return 2484; 285 else if (chan < 14) 286 return 2407 + chan * 5; 287 break; 288 case NL80211_BAND_5GHZ: 289 if (chan >= 182 && chan <= 196) 290 return 4000 + chan * 5; 291 else 292 return 5000 + chan * 5; 293 break; 294 case NL80211_BAND_60GHZ: 295 if (chan < 5) 296 return 56160 + chan * 2160; 297 break; 298 default: 299 ; 300 } 301 return 0; /* not supported */ 302 } 303 304 int ieee80211_frequency_to_channel(int freq) 305 { 306 /* see 802.11-2007 17.3.8.3.2 and Annex J */ 307 if (freq == 2484) 308 return 14; 309 else if (freq < 2484) 310 return (freq - 2407) / 5; 311 else if (freq >= 4910 && freq <= 4980) 312 return (freq - 4000) / 5; 313 else if (freq <= 45000) /* DMG band lower limit */ 314 return (freq - 5000) / 5; 315 else if (freq >= 58320 && freq <= 64800) 316 return (freq - 56160) / 2160; 317 else 318 return 0; 319 } 320 321 void print_ssid_escaped(const uint8_t len, const uint8_t *data) 322 { 323 int i; 324 325 for (i = 0; i < len; i++) { 326 if (isprint(data[i]) && data[i] != ' ' && data[i] != '\\') 327 printf("%c", data[i]); 328 else if (data[i] == ' ' && 329 (i != 0 && i != len -1)) 330 printf(" "); 331 else 332 printf("\\x%.2x", data[i]); 333 } 334 } 335 336 static int hex2num(char digit) 337 { 338 if (!isxdigit(digit)) 339 return -1; 340 if (isdigit(digit)) 341 return digit - '0'; 342 return tolower(digit) - 'a' + 10; 343 } 344 345 static int hex2byte(char *hex) 346 { 347 int d1, d2; 348 349 d1 = hex2num(hex[0]); 350 if (d1 < 0) 351 return -1; 352 d2 = hex2num(hex[1]); 353 if (d2 < 0) 354 return -1; 355 return (d1 << 4) | d2; 356 } 357 358 static char *hex2bin(char *hex, char *buf) 359 { 360 char *result = buf; 361 int d; 362 363 while (hex[0]) { 364 d = hex2byte(hex); 365 if (d < 0) 366 return NULL; 367 buf[0] = d; 368 buf++; 369 hex += 2; 370 } 371 372 return result; 373 } 374 375 int parse_keys(struct nl_msg *msg, char **argv, int argc) 376 { 377 struct nlattr *keys; 378 int i = 0; 379 bool have_default = false; 380 char keybuf[13]; 381 382 if (!argc) 383 return 1; 384 385 NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); 386 387 keys = nla_nest_start(msg, NL80211_ATTR_KEYS); 388 if (!keys) 389 return -ENOBUFS; 390 391 do { 392 char *arg = *argv; 393 int pos = 0, keylen; 394 struct nlattr *key = nla_nest_start(msg, ++i); 395 char *keydata; 396 397 if (!key) 398 return -ENOBUFS; 399 400 if (arg[pos] == 'd') { 401 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); 402 pos++; 403 if (arg[pos] == ':') 404 pos++; 405 have_default = true; 406 } 407 408 if (!isdigit(arg[pos])) 409 goto explain; 410 NLA_PUT_U8(msg, NL80211_KEY_IDX, arg[pos++] - '0'); 411 if (arg[pos++] != ':') 412 goto explain; 413 keydata = arg + pos; 414 switch (strlen(keydata)) { 415 case 10: 416 keydata = hex2bin(keydata, keybuf); 417 case 5: 418 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC01); 419 keylen = 5; 420 break; 421 case 26: 422 keydata = hex2bin(keydata, keybuf); 423 case 13: 424 NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC05); 425 keylen = 13; 426 break; 427 default: 428 goto explain; 429 } 430 431 if (!keydata) 432 goto explain; 433 434 NLA_PUT(msg, NL80211_KEY_DATA, keylen, keydata); 435 436 argv++; 437 argc--; 438 439 /* one key should be TX key */ 440 if (!have_default && !argc) 441 NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); 442 443 nla_nest_end(msg, key); 444 } while (argc); 445 446 nla_nest_end(msg, keys); 447 448 return 0; 449 nla_put_failure: 450 return -ENOBUFS; 451 explain: 452 fprintf(stderr, "key must be [d:]index:data where\n" 453 " 'd:' means default (transmit) key\n" 454 " 'index:' is a single digit (0-3)\n" 455 " 'data' must be 5 or 13 ascii chars\n" 456 " or 10 or 26 hex digits\n" 457 "for example: d:2:6162636465 is the same as d:2:abcde\n"); 458 return 2; 459 } 460 461 static void print_mcs_index(const __u8 *mcs) 462 { 463 int mcs_bit, prev_bit = -2, prev_cont = 0; 464 465 for (mcs_bit = 0; mcs_bit <= 76; mcs_bit++) { 466 unsigned int mcs_octet = mcs_bit/8; 467 unsigned int MCS_RATE_BIT = 1 << mcs_bit % 8; 468 bool mcs_rate_idx_set; 469 470 mcs_rate_idx_set = !!(mcs[mcs_octet] & MCS_RATE_BIT); 471 472 if (!mcs_rate_idx_set) 473 continue; 474 475 if (prev_bit != mcs_bit - 1) { 476 if (prev_bit != -2) 477 printf("%d, ", prev_bit); 478 else 479 printf(" "); 480 printf("%d", mcs_bit); 481 prev_cont = 0; 482 } else if (!prev_cont) { 483 printf("-"); 484 prev_cont = 1; 485 } 486 487 prev_bit = mcs_bit; 488 } 489 490 if (prev_cont) 491 printf("%d", prev_bit); 492 printf("\n"); 493 } 494 495 /* 496 * There are only 4 possible values, we just use a case instead of computing it, 497 * but technically this can also be computed through the formula: 498 * 499 * Max AMPDU length = (2 ^ (13 + exponent)) - 1 bytes 500 */ 501 static __u32 compute_ampdu_length(__u8 exponent) 502 { 503 switch (exponent) { 504 case 0: return 8191; /* (2 ^(13 + 0)) -1 */ 505 case 1: return 16383; /* (2 ^(13 + 1)) -1 */ 506 case 2: return 32767; /* (2 ^(13 + 2)) -1 */ 507 case 3: return 65535; /* (2 ^(13 + 3)) -1 */ 508 default: return 0; 509 } 510 } 511 512 static const char *print_ampdu_space(__u8 space) 513 { 514 switch (space) { 515 case 0: return "No restriction"; 516 case 1: return "1/4 usec"; 517 case 2: return "1/2 usec"; 518 case 3: return "1 usec"; 519 case 4: return "2 usec"; 520 case 5: return "4 usec"; 521 case 6: return "8 usec"; 522 case 7: return "16 usec"; 523 default: 524 return "BUG (spacing more than 3 bits!)"; 525 } 526 } 527 528 void print_ampdu_length(__u8 exponent) 529 { 530 __u32 max_ampdu_length; 531 532 max_ampdu_length = compute_ampdu_length(exponent); 533 534 if (max_ampdu_length) { 535 printf("\t\tMaximum RX AMPDU length %d bytes (exponent: 0x0%02x)\n", 536 max_ampdu_length, exponent); 537 } else { 538 printf("\t\tMaximum RX AMPDU length: unrecognized bytes " 539 "(exponent: %d)\n", exponent); 540 } 541 } 542 543 void print_ampdu_spacing(__u8 spacing) 544 { 545 printf("\t\tMinimum RX AMPDU time spacing: %s (0x%02x)\n", 546 print_ampdu_space(spacing), spacing); 547 } 548 549 void print_ht_capability(__u16 cap) 550 { 551 #define PRINT_HT_CAP(_cond, _str) \ 552 do { \ 553 if (_cond) \ 554 printf("\t\t\t" _str "\n"); \ 555 } while (0) 556 557 printf("\t\tCapabilities: 0x%02x\n", cap); 558 559 PRINT_HT_CAP((cap & BIT(0)), "RX LDPC"); 560 PRINT_HT_CAP((cap & BIT(1)), "HT20/HT40"); 561 PRINT_HT_CAP(!(cap & BIT(1)), "HT20"); 562 563 PRINT_HT_CAP(((cap >> 2) & 0x3) == 0, "Static SM Power Save"); 564 PRINT_HT_CAP(((cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); 565 PRINT_HT_CAP(((cap >> 2) & 0x3) == 3, "SM Power Save disabled"); 566 567 PRINT_HT_CAP((cap & BIT(4)), "RX Greenfield"); 568 PRINT_HT_CAP((cap & BIT(5)), "RX HT20 SGI"); 569 PRINT_HT_CAP((cap & BIT(6)), "RX HT40 SGI"); 570 PRINT_HT_CAP((cap & BIT(7)), "TX STBC"); 571 572 PRINT_HT_CAP(((cap >> 8) & 0x3) == 0, "No RX STBC"); 573 PRINT_HT_CAP(((cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); 574 PRINT_HT_CAP(((cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); 575 PRINT_HT_CAP(((cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); 576 577 PRINT_HT_CAP((cap & BIT(10)), "HT Delayed Block Ack"); 578 579 PRINT_HT_CAP(!(cap & BIT(11)), "Max AMSDU length: 3839 bytes"); 580 PRINT_HT_CAP((cap & BIT(11)), "Max AMSDU length: 7935 bytes"); 581 582 /* 583 * For beacons and probe response this would mean the BSS 584 * does or does not allow the usage of DSSS/CCK HT40. 585 * Otherwise it means the STA does or does not use 586 * DSSS/CCK HT40. 587 */ 588 PRINT_HT_CAP((cap & BIT(12)), "DSSS/CCK HT40"); 589 PRINT_HT_CAP(!(cap & BIT(12)), "No DSSS/CCK HT40"); 590 591 /* BIT(13) is reserved */ 592 593 PRINT_HT_CAP((cap & BIT(14)), "40 MHz Intolerant"); 594 595 PRINT_HT_CAP((cap & BIT(15)), "L-SIG TXOP protection"); 596 #undef PRINT_HT_CAP 597 } 598 599 void print_ht_mcs(const __u8 *mcs) 600 { 601 /* As defined in 7.3.2.57.4 Supported MCS Set field */ 602 unsigned int tx_max_num_spatial_streams, max_rx_supp_data_rate; 603 bool tx_mcs_set_defined, tx_mcs_set_equal, tx_unequal_modulation; 604 605 max_rx_supp_data_rate = (mcs[10] | ((mcs[11] & 0x3) << 8)); 606 tx_mcs_set_defined = !!(mcs[12] & (1 << 0)); 607 tx_mcs_set_equal = !(mcs[12] & (1 << 1)); 608 tx_max_num_spatial_streams = ((mcs[12] >> 2) & 3) + 1; 609 tx_unequal_modulation = !!(mcs[12] & (1 << 4)); 610 611 if (max_rx_supp_data_rate) 612 printf("\t\tHT Max RX data rate: %d Mbps\n", max_rx_supp_data_rate); 613 /* XXX: else see 9.6.0e.5.3 how to get this I think */ 614 615 if (tx_mcs_set_defined) { 616 if (tx_mcs_set_equal) { 617 printf("\t\tHT TX/RX MCS rate indexes supported:"); 618 print_mcs_index(mcs); 619 } else { 620 printf("\t\tHT RX MCS rate indexes supported:"); 621 print_mcs_index(mcs); 622 623 if (tx_unequal_modulation) 624 printf("\t\tTX unequal modulation supported\n"); 625 else 626 printf("\t\tTX unequal modulation not supported\n"); 627 628 printf("\t\tHT TX Max spatial streams: %d\n", 629 tx_max_num_spatial_streams); 630 631 printf("\t\tHT TX MCS rate indexes supported may differ\n"); 632 } 633 } else { 634 printf("\t\tHT RX MCS rate indexes supported:"); 635 print_mcs_index(mcs); 636 printf("\t\tHT TX MCS rate indexes are undefined\n"); 637 } 638 } 639 640 void print_vht_info(__u32 capa, const __u8 *mcs) 641 { 642 __u16 tmp; 643 int i; 644 645 printf("\t\tVHT Capabilities (0x%.8x):\n", capa); 646 647 #define PRINT_VHT_CAPA(_bit, _str) \ 648 do { \ 649 if (capa & BIT(_bit)) \ 650 printf("\t\t\t" _str "\n"); \ 651 } while (0) 652 653 printf("\t\t\tMax MPDU length: "); 654 switch (capa & 3) { 655 case 0: printf("3895\n"); break; 656 case 1: printf("7991\n"); break; 657 case 2: printf("11454\n"); break; 658 case 3: printf("(reserved)\n"); 659 } 660 printf("\t\t\tSupported Channel Width: "); 661 switch ((capa >> 2) & 3) { 662 case 0: printf("neither 160 nor 80+80\n"); break; 663 case 1: printf("160 MHz\n"); break; 664 case 2: printf("160 MHz, 80+80 MHz\n"); break; 665 case 3: printf("(reserved)\n"); 666 } 667 PRINT_VHT_CAPA(4, "RX LDPC"); 668 PRINT_VHT_CAPA(5, "short GI (80 MHz)"); 669 PRINT_VHT_CAPA(6, "short GI (160/80+80 MHz)"); 670 PRINT_VHT_CAPA(7, "TX STBC"); 671 /* RX STBC */ 672 PRINT_VHT_CAPA(11, "SU Beamformer"); 673 PRINT_VHT_CAPA(12, "SU Beamformee"); 674 /* compressed steering */ 675 /* # of sounding dimensions */ 676 PRINT_VHT_CAPA(19, "MU Beamformer"); 677 PRINT_VHT_CAPA(20, "MU Beamformee"); 678 PRINT_VHT_CAPA(21, "VHT TXOP PS"); 679 PRINT_VHT_CAPA(22, "+HTC-VHT"); 680 /* max A-MPDU */ 681 /* VHT link adaptation */ 682 PRINT_VHT_CAPA(28, "RX antenna pattern consistency"); 683 PRINT_VHT_CAPA(29, "TX antenna pattern consistency"); 684 685 printf("\t\tVHT RX MCS set:\n"); 686 tmp = mcs[0] | (mcs[1] << 8); 687 for (i = 1; i <= 8; i++) { 688 printf("\t\t\t%d streams: ", i); 689 switch ((tmp >> ((i-1)*2) ) & 3) { 690 case 0: printf("MCS 0-7\n"); break; 691 case 1: printf("MCS 0-8\n"); break; 692 case 2: printf("MCS 0-9\n"); break; 693 case 3: printf("not supported\n"); break; 694 } 695 } 696 tmp = mcs[2] | (mcs[3] << 8); 697 printf("\t\tVHT RX highest supported: %d Mbps\n", tmp & 0x1fff); 698 699 printf("\t\tVHT TX MCS set:\n"); 700 tmp = mcs[4] | (mcs[5] << 8); 701 for (i = 1; i <= 8; i++) { 702 printf("\t\t\t%d streams: ", i); 703 switch ((tmp >> ((i-1)*2) ) & 3) { 704 case 0: printf("MCS 0-7\n"); break; 705 case 1: printf("MCS 0-8\n"); break; 706 case 2: printf("MCS 0-9\n"); break; 707 case 3: printf("not supported\n"); break; 708 } 709 } 710 tmp = mcs[6] | (mcs[7] << 8); 711 printf("\t\tVHT TX highest supported: %d Mbps\n", tmp & 0x1fff); 712 } 713 714 void iw_hexdump(const char *prefix, const __u8 *buf, size_t size) 715 { 716 int i; 717 718 printf("%s: ", prefix); 719 for (i = 0; i < size; i++) { 720 if (i && i % 16 == 0) 721 printf("\n%s: ", prefix); 722 printf("%02x ", buf[i]); 723 } 724 printf("\n\n"); 725 } 726
