nexmon – Blame information for rev 1

Subversion Repositories:
Rev:
Rev Author Line No. Line
1 office 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 }