]> git.ipfire.org Git - thirdparty/iw.git/blob - info.c
projects / thirdparty / iw.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
iw: print BSS coloring capability if supported
[thirdparty/iw.git] / info.c
1 #include <stdbool.h>
2
3 #include <netlink/genl/genl.h>
4 #include <netlink/genl/family.h>
5 #include <netlink/genl/ctrl.h>
6 #include <netlink/msg.h>
7 #include <netlink/attr.h>
8
9 #include "nl80211.h"
10 #include "iw.h"
11
12 static void print_flag(const char *name, int *open)
13 {
14 if (!*open)
15 printf(" (");
16 else
17 printf(", ");
18 printf("%s", name);
19 *open = 1;
20 }
21
22 static char *cipher_name(__u32 c)
23 {
24 static char buf[20];
25
26 switch (c) {
27 case 0x000fac01:
28 return "WEP40 (00-0f-ac:1)";
29 case 0x000fac05:
30 return "WEP104 (00-0f-ac:5)";
31 case 0x000fac02:
32 return "TKIP (00-0f-ac:2)";
33 case 0x000fac04:
34 return "CCMP-128 (00-0f-ac:4)";
35 case 0x000fac06:
36 return "CMAC (00-0f-ac:6)";
37 case 0x000fac08:
38 return "GCMP-128 (00-0f-ac:8)";
39 case 0x000fac09:
40 return "GCMP-256 (00-0f-ac:9)";
41 case 0x000fac0a:
42 return "CCMP-256 (00-0f-ac:10)";
43 case 0x000fac0b:
44 return "GMAC-128 (00-0f-ac:11)";
45 case 0x000fac0c:
46 return "GMAC-256 (00-0f-ac:12)";
47 case 0x000fac0d:
48 return "CMAC-256 (00-0f-ac:13)";
49 case 0x00147201:
50 return "WPI-SMS4 (00-14-72:1)";
51 default:
52 sprintf(buf, "%.2x-%.2x-%.2x:%d",
53 c >> 24, (c >> 16) & 0xff,
54 (c >> 8) & 0xff, c & 0xff);
55
56 return buf;
57 }
58 }
59
60 static int ext_feature_isset(const unsigned char *ext_features, int ext_features_len,
61 enum nl80211_ext_feature_index ftidx)
62 {
63 unsigned char ft_byte;
64
65 if ((int) ftidx / 8 >= ext_features_len)
66 return 0;
67
68 ft_byte = ext_features[ftidx / 8];
69 return (ft_byte & BIT(ftidx % 8)) != 0;
70 }
71
72 static void _ext_feat_print(const struct nlattr *tb,
73 enum nl80211_ext_feature_index idx,
74 const char *feature_name, const char *feature_desc)
75 {
76 if (ext_feature_isset(nla_data(tb), nla_len(tb),idx))
77 printf("\t\t* [ %s ]: %s\n", feature_name, feature_desc);
78 }
79 #define ext_feat_print(tb, name, desc) \
80 _ext_feat_print(tb, NL80211_EXT_FEATURE_##name, #name, desc)
81
82 static int print_phy_handler(struct nl_msg *msg, void *arg)
83 {
84 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
85 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
86
87 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
88
89 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
90 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
91 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
92 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
93 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
94 [__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
95 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
96 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
97 };
98
99 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
100 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
101 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
102 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
103 };
104
105 struct nlattr *nl_band;
106 struct nlattr *nl_freq;
107 struct nlattr *nl_rate;
108 struct nlattr *nl_cmd;
109 struct nlattr *nl_if, *nl_ftype;
110 int rem_band, rem_freq, rem_rate, rem_cmd, rem_ftype, rem_if;
111 int open;
112 /*
113 * static variables only work here, other applications need to use the
114 * callback pointer and store them there so they can be multithreaded
115 * and/or have multiple netlink sockets, etc.
116 */
117 static int64_t phy_id = -1;
118 static int last_band = -1;
119 static bool band_had_freq = false;
120 bool print_name = true;
121
122 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
123 genlmsg_attrlen(gnlh, 0), NULL);
124
125 if (tb_msg[NL80211_ATTR_WIPHY]) {
126 if (nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]) == phy_id)
127 print_name = false;
128 else
129 last_band = -1;
130 phy_id = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]);
131 }
132 if (print_name && tb_msg[NL80211_ATTR_WIPHY_NAME])
133 printf("Wiphy %s\n", nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME]));
134
135 if (print_name && tb_msg[NL80211_ATTR_WIPHY])
136 printf("\twiphy index: %u\n", nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]));
137
138 /* needed for split dump */
139 if (tb_msg[NL80211_ATTR_WIPHY_BANDS]) {
140 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
141 if (last_band != nl_band->nla_type) {
142 printf("\tBand %d:\n", nl_band->nla_type + 1);
143 band_had_freq = false;
144 }
145 last_band = nl_band->nla_type;
146
147 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
148 nla_len(nl_band), NULL);
149
150 if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
151 __u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]);
152 print_ht_capability(cap);
153 }
154 if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
155 __u8 exponent = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]);
156 print_ampdu_length(exponent);
157 }
158 if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
159 __u8 spacing = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]);
160 print_ampdu_spacing(spacing);
161 }
162 if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
163 nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16)
164 print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]));
165 if (tb_band[NL80211_BAND_ATTR_VHT_CAPA] &&
166 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])
167 print_vht_info(nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]),
168 nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]));
169 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
170 struct nlattr *nl_iftype;
171 int rem_band;
172
173 nla_for_each_nested(nl_iftype, tb_band[NL80211_BAND_ATTR_IFTYPE_DATA], rem_band)
174 print_he_info(nl_iftype);
175 }
176 if (tb_band[NL80211_BAND_ATTR_FREQS]) {
177 if (!band_had_freq) {
178 printf("\t\tFrequencies:\n");
179 band_had_freq = true;
180 }
181 nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
182 uint32_t freq;
183 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
184 nla_len(nl_freq), freq_policy);
185 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
186 continue;
187 freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
188 printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));
189
190 if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
191 !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
192 printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
193
194 open = 0;
195 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) {
196 print_flag("disabled", &open);
197 goto next;
198 }
199
200 /* If both flags are set assume an new kernel */
201 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR] && tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]) {
202 print_flag("no IR", &open);
203 } else if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) {
204 print_flag("passive scan", &open);
205 } else if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]){
206 print_flag("no ibss", &open);
207 }
208
209 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
210 print_flag("radar detection", &open);
211 next:
212 if (open)
213 printf(")");
214 printf("\n");
215 }
216 }
217
218 if (tb_band[NL80211_BAND_ATTR_RATES]) {
219 printf("\t\tBitrates (non-HT):\n");
220 nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
221 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
222 nla_len(nl_rate), rate_policy);
223 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
224 continue;
225 printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]));
226 open = 0;
227 if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
228 print_flag("short preamble supported", &open);
229 if (open)
230 printf(")");
231 printf("\n");
232 }
233 }
234 }
235 }
236
237 if (tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
238 printf("\tmax # scan SSIDs: %d\n",
239 nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]));
240 if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])
241 printf("\tmax scan IEs length: %d bytes\n",
242 nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]));
243 if (tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
244 printf("\tmax # sched scan SSIDs: %d\n",
245 nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]));
246 if (tb_msg[NL80211_ATTR_MAX_MATCH_SETS])
247 printf("\tmax # match sets: %d\n",
248 nla_get_u8(tb_msg[NL80211_ATTR_MAX_MATCH_SETS]));
249 if (tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS])
250 printf("\tmax # scan plans: %d\n",
251 nla_get_u32(tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]));
252 if (tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL])
253 printf("\tmax scan plan interval: %d\n",
254 nla_get_u32(tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]));
255 if (tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS])
256 printf("\tmax scan plan iterations: %d\n",
257 nla_get_u32(tb_msg[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]));
258
259 if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
260 unsigned int frag;
261
262 frag = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
263 if (frag != (unsigned int)-1)
264 printf("\tFragmentation threshold: %d\n", frag);
265 }
266
267 if (tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
268 unsigned int rts;
269
270 rts = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
271 if (rts != (unsigned int)-1)
272 printf("\tRTS threshold: %d\n", rts);
273 }
274
275 if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT] ||
276 tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]) {
277 unsigned char retry_short = 0, retry_long = 0;
278
279 if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT])
280 retry_short = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT]);
281 if (tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG])
282 retry_long = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]);
283 if (retry_short == retry_long) {
284 printf("\tRetry short long limit: %d\n", retry_short);
285 } else {
286 printf("\tRetry short limit: %d\n", retry_short);
287 printf("\tRetry long limit: %d\n", retry_long);
288 }
289 }
290
291 if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
292 unsigned char coverage;
293
294 coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
295 /* See handle_distance() for an explanation where the '450' comes from */
296 printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
297 }
298
299 if (tb_msg[NL80211_ATTR_CIPHER_SUITES]) {
300 int num = nla_len(tb_msg[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32);
301 int i;
302 __u32 *ciphers = nla_data(tb_msg[NL80211_ATTR_CIPHER_SUITES]);
303 if (num > 0) {
304 printf("\tSupported Ciphers:\n");
305 for (i = 0; i < num; i++)
306 printf("\t\t* %s\n",
307 cipher_name(ciphers[i]));
308 }
309 }
310
311 if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] &&
312 tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])
313 printf("\tAvailable Antennas: TX %#x RX %#x\n",
314 nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]),
315 nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]));
316
317 if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
318 tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])
319 printf("\tConfigured Antennas: TX %#x RX %#x\n",
320 nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
321 nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));
322
323 if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES])
324 print_iftype_list("\tSupported interface modes", "\t\t",
325 tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]);
326
327 if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES])
328 print_iftype_list("\tsoftware interface modes (can always be added)",
329 "\t\t", tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]);
330
331 if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
332 struct nlattr *nl_combi;
333 int rem_combi;
334 bool have_combinations = false;
335
336 nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) {
337 static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
338 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
339 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
340 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
341 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
342 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
343 };
344 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
345 static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
346 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
347 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
348 };
349 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
350 struct nlattr *nl_limit;
351 int err, rem_limit;
352 bool comma = false;
353
354 if (!have_combinations) {
355 printf("\tvalid interface combinations:\n");
356 have_combinations = true;
357 }
358
359 printf("\t\t * ");
360
361 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
362 nl_combi, iface_combination_policy);
363 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
364 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
365 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) {
366 printf(" <failed to parse>\n");
367 goto broken_combination;
368 }
369
370 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) {
371 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
372 nl_limit, iface_limit_policy);
373 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) {
374 printf("<failed to parse>\n");
375 goto broken_combination;
376 }
377
378 if (comma)
379 printf(", ");
380 comma = true;
381 printf("#{ ");
382 print_iftype_line(tb_limit[NL80211_IFACE_LIMIT_TYPES]);
383 printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX]));
384 }
385 printf(",\n\t\t ");
386
387 printf("total <= %d, #channels <= %d%s",
388 nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]),
389 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]),
390 tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ?
391 ", STA/AP BI must match" : "");
392 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) {
393 unsigned long widths = nla_get_u32(tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]);
394
395 if (widths) {
396 int width;
397 bool first = true;
398
399 printf(", radar detect widths: {");
400 for (width = 0; width < 32; width++)
401 if (widths & (1 << width)) {
402 printf("%s %s",
403 first ? "":",",
404 channel_width_name(width));
405 first = false;
406 }
407 printf(" }\n");
408 }
409 }
410 printf("\n");
411 broken_combination:
412 ;
413 }
414
415 if (!have_combinations)
416 printf("\tinterface combinations are not supported\n");
417 }
418
419 if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) {
420 printf("\tSupported commands:\n");
421 nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd)
422 printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd)));
423 }
424
425 if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) {
426 printf("\tSupported TX frame types:\n");
427 nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) {
428 bool printed = false;
429 nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
430 if (!printed)
431 printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
432 printed = true;
433 printf(" 0x%.2x", nla_get_u16(nl_ftype));
434 }
435 if (printed)
436 printf("\n");
437 }
438 }
439
440 if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) {
441 printf("\tSupported RX frame types:\n");
442 nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) {
443 bool printed = false;
444 nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
445 if (!printed)
446 printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
447 printed = true;
448 printf(" 0x%.2x", nla_get_u16(nl_ftype));
449 }
450 if (printed)
451 printf("\n");
452 }
453 }
454
455 if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN])
456 printf("\tDevice supports RSN-IBSS.\n");
457
458 if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) {
459 struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG];
460 static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
461 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
462 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
463 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
464 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .minlen = 12 },
465 [NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED] = { .type = NLA_FLAG },
466 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
467 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
468 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
469 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
470 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_U32 },
471 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
472 };
473 struct nl80211_pattern_support *pat;
474 int err;
475
476 err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
477 tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED],
478 wowlan_policy);
479 printf("\tWoWLAN support:");
480 if (err) {
481 printf(" <failed to parse>\n");
482 } else {
483 printf("\n");
484 if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY])
485 printf("\t\t * wake up on anything (device continues operating normally)\n");
486 if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
487 printf("\t\t * wake up on disconnect\n");
488 if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
489 printf("\t\t * wake up on magic packet\n");
490 if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
491 unsigned int len = nla_len(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
492
493 pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
494 printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes,\n"
495 "\t\t maximum packet offset %u bytes\n",
496 pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len,
497 len < sizeof(*pat) ? 0 : pat->max_pkt_offset);
498 }
499 if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
500 printf("\t\t * can do GTK rekeying\n");
501 if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
502 printf("\t\t * wake up on GTK rekey failure\n");
503 if (tb_wowlan[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
504 printf("\t\t * wake up on EAP identity request\n");
505 if (tb_wowlan[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
506 printf("\t\t * wake up on 4-way handshake\n");
507 if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
508 printf("\t\t * wake up on rfkill release\n");
509 if (tb_wowlan[NL80211_WOWLAN_TRIG_NET_DETECT])
510 printf("\t\t * wake up on network detection, up to %d match sets\n",
511 nla_get_u32(tb_wowlan[NL80211_WOWLAN_TRIG_NET_DETECT]));
512 if (tb_wowlan[NL80211_WOWLAN_TRIG_TCP_CONNECTION])
513 printf("\t\t * wake up on TCP connection\n");
514 }
515 }
516
517 if (tb_msg[NL80211_ATTR_ROAM_SUPPORT])
518 printf("\tDevice supports roaming.\n");
519
520 if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
521 printf("\tDevice supports AP-side u-APSD.\n");
522
523 if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
524 struct ieee80211_ht_cap *cm;
525 unsigned int len = nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
526
527 printf("\tHT Capability overrides:\n");
528 if (len >= sizeof(*cm)) {
529 cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
530 printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
531 " %02hhx %02hhx %02hhx %02hhx\n",
532 cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
533 cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
534 cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
535 cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
536 cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
537 if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU))
538 printf("\t\t * maximum A-MSDU length\n");
539 if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))
540 printf("\t\t * supported channel width\n");
541 if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40))
542 printf("\t\t * short GI for 40 MHz\n");
543 if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR)
544 printf("\t\t * max A-MPDU length exponent\n");
545 if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY)
546 printf("\t\t * min MPDU start spacing\n");
547 } else {
548 printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
549 (int)(sizeof(*cm)),
550 (int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK])));
551 }
552 }
553
554 if (tb_msg[NL80211_ATTR_FEATURE_FLAGS]) {
555 unsigned int features = nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]);
556
557 if (features & NL80211_FEATURE_SK_TX_STATUS)
558 printf("\tDevice supports TX status socket option.\n");
559 if (features & NL80211_FEATURE_HT_IBSS)
560 printf("\tDevice supports HT-IBSS.\n");
561 if (features & NL80211_FEATURE_INACTIVITY_TIMER)
562 printf("\tDevice has client inactivity timer.\n");
563 if (features & NL80211_FEATURE_CELL_BASE_REG_HINTS)
564 printf("\tDevice accepts cell base station regulatory hints.\n");
565 if (features & NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
566 printf("\tP2P Device uses a channel (of the concurrent ones)\n");
567 if (features & NL80211_FEATURE_SAE)
568 printf("\tDevice supports SAE with AUTHENTICATE command\n");
569 if (features & NL80211_FEATURE_LOW_PRIORITY_SCAN)
570 printf("\tDevice supports low priority scan.\n");
571 if (features & NL80211_FEATURE_SCAN_FLUSH)
572 printf("\tDevice supports scan flush.\n");
573 if (features & NL80211_FEATURE_AP_SCAN)
574 printf("\tDevice supports AP scan.\n");
575 if (features & NL80211_FEATURE_VIF_TXPOWER)
576 printf("\tDevice supports per-vif TX power setting\n");
577 if (features & NL80211_FEATURE_NEED_OBSS_SCAN)
578 printf("\tUserspace should do OBSS scan and generate 20/40 coex reports\n");
579 if (features & NL80211_FEATURE_P2P_GO_CTWIN)
580 printf("\tP2P GO supports CT window setting\n");
581 if (features & NL80211_FEATURE_P2P_GO_OPPPS)
582 printf("\tP2P GO supports opportunistic powersave setting\n");
583 if (features & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
584 printf("\tDriver supports full state transitions for AP/GO clients\n");
585 if (features & NL80211_FEATURE_USERSPACE_MPM)
586 printf("\tDriver supports a userspace MPM\n");
587 if (features & NL80211_FEATURE_ACTIVE_MONITOR)
588 printf("\tDevice supports active monitor (which will ACK incoming frames)\n");
589 if (features & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
590 printf("\tDriver/device bandwidth changes during BSS lifetime (AP/GO mode)\n");
591 if (features & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
592 printf("\tDevice adds DS IE to probe requests\n");
593 if (features & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
594 printf("\tDevice adds WFA TPC Report IE to probe requests\n");
595 if (features & NL80211_FEATURE_QUIET)
596 printf("\tDevice supports quiet requests from AP\n");
597 if (features & NL80211_FEATURE_TX_POWER_INSERTION)
598 printf("\tDevice can update TPC Report IE\n");
599 if (features & NL80211_FEATURE_ACKTO_ESTIMATION)
600 printf("\tDevice supports ACK timeout estimation.\n");
601 if (features & NL80211_FEATURE_STATIC_SMPS)
602 printf("\tDevice supports static SMPS\n");
603 if (features & NL80211_FEATURE_DYNAMIC_SMPS)
604 printf("\tDevice supports dynamic SMPS\n");
605 if (features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
606 printf("\tDevice supports WMM-AC admission (TSPECs)\n");
607 if (features & NL80211_FEATURE_MAC_ON_CREATE)
608 printf("\tDevice supports configuring vdev MAC-addr on create.\n");
609 if (features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)
610 printf("\tDevice supports TDLS channel switching\n");
611 if (features & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
612 printf("\tDevice supports randomizing MAC-addr in scans.\n");
613 if (features & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
614 printf("\tDevice supports randomizing MAC-addr in sched scans.\n");
615 if (features & NL80211_FEATURE_ND_RANDOM_MAC_ADDR)
616 printf("\tDevice supports randomizing MAC-addr in net-detect scans.\n");
617 }
618
619 if (tb_msg[NL80211_ATTR_TDLS_SUPPORT])
620 printf("\tDevice supports T-DLS.\n");
621
622 if (tb_msg[NL80211_ATTR_EXT_FEATURES]) {
623 struct nlattr *tb = tb_msg[NL80211_ATTR_EXT_FEATURES];
624
625 printf("\tSupported extended features:\n");
626
627 ext_feat_print(tb, VHT_IBSS, "VHT-IBSS");
628 ext_feat_print(tb, RRM, "RRM");
629 ext_feat_print(tb, MU_MIMO_AIR_SNIFFER, "MU-MIMO sniffer");
630 ext_feat_print(tb, SCAN_START_TIME, "scan start timestamp");
631 ext_feat_print(tb, BSS_PARENT_TSF,
632 "BSS last beacon/probe TSF");
633 ext_feat_print(tb, SET_SCAN_DWELL, "scan dwell setting");
634 ext_feat_print(tb, BEACON_RATE_LEGACY,
635 "legacy beacon rate setting");
636 ext_feat_print(tb, BEACON_RATE_HT, "HT beacon rate setting");
637 ext_feat_print(tb, BEACON_RATE_VHT, "VHT beacon rate setting");
638 ext_feat_print(tb, FILS_STA,
639 "STA FILS (Fast Initial Link Setup)");
640 ext_feat_print(tb, MGMT_TX_RANDOM_TA,
641 "randomized TA while not associated");
642 ext_feat_print(tb, MGMT_TX_RANDOM_TA_CONNECTED,
643 "randomized TA while associated");
644 ext_feat_print(tb, SCHED_SCAN_RELATIVE_RSSI,
645 "sched_scan for BSS with better RSSI report");
646 ext_feat_print(tb, CQM_RSSI_LIST,
647 "multiple CQM_RSSI_THOLD records");
648 ext_feat_print(tb, FILS_SK_OFFLOAD,
649 "FILS shared key authentication offload");
650 ext_feat_print(tb, 4WAY_HANDSHAKE_STA_PSK,
651 "4-way handshake with PSK in station mode");
652 ext_feat_print(tb, 4WAY_HANDSHAKE_STA_1X,
653 "4-way handshake with 802.1X in station mode");
654 ext_feat_print(tb, FILS_MAX_CHANNEL_TIME,
655 "FILS max channel attribute override with dwell time");
656 ext_feat_print(tb, ACCEPT_BCAST_PROBE_RESP,
657 "accepts broadcast probe response");
658 ext_feat_print(tb, OCE_PROBE_REQ_HIGH_TX_RATE,
659 "probe request TX at high rate (at least 5.5Mbps)");
660 ext_feat_print(tb, OCE_PROBE_REQ_DEFERRAL_SUPPRESSION,
661 "probe request tx deferral and suppression");
662 ext_feat_print(tb, MFP_OPTIONAL,
663 "MFP_OPTIONAL value in ATTR_USE_MFP");
664 ext_feat_print(tb, LOW_SPAN_SCAN, "low span scan");
665 ext_feat_print(tb, LOW_POWER_SCAN, "low power scan");
666 ext_feat_print(tb, HIGH_ACCURACY_SCAN, "high accuracy scan");
667 ext_feat_print(tb, DFS_OFFLOAD, "DFS offload");
668 ext_feat_print(tb, CONTROL_PORT_OVER_NL80211,
669 "control port over nl80211");
670 ext_feat_print(tb, ACK_SIGNAL_SUPPORT,
671 "ack signal level support");
672 ext_feat_print(tb, TXQS, "FQ-CoDel-enabled intermediate TXQs");
673 ext_feat_print(tb, AIRTIME_FAIRNESS,
674 "airtime fairness scheduling");
675 ext_feat_print(tb, AQL,
676 "Airtime Queue Limits (AQL)");
677 ext_feat_print(tb, SCAN_RANDOM_SN,
678 "use random sequence numbers in scans");
679 ext_feat_print(tb, SCAN_MIN_PREQ_CONTENT,
680 "use probe request with only rate IEs in scans");
681 ext_feat_print(tb, CAN_REPLACE_PTK0,
682 "can safely replace PTK 0 when rekeying");
683 ext_feat_print(tb, ENABLE_FTM_RESPONDER,
684 "enable FTM (Fine Time Measurement) responder");
685 ext_feat_print(tb, AP_PMKSA_CACHING,
686 "PMKSA caching supported in AP mode");
687 ext_feat_print(tb, SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD,
688 "band specific RSSI thresholds for scheduled scan");
689 ext_feat_print(tb, EXT_KEY_ID, "Extended Key ID support");
690 ext_feat_print(tb, STA_TX_PWR, "TX power control per station");
691 ext_feat_print(tb, SAE_OFFLOAD, "SAE offload support");
692 ext_feat_print(tb, VLAN_OFFLOAD, "VLAN offload support");
693 ext_feat_print(tb, BEACON_PROTECTION, "beacon protection support");
694 ext_feat_print(tb, CONTROL_PORT_NO_PREAUTH, "disable pre-auth over nl80211 control port support");
695 ext_feat_print(tb, PROTECTED_TWT, "protected Target Wake Time (TWT) support");
696 ext_feat_print(tb, DEL_IBSS_STA, "deletion of IBSS station support");
697 ext_feat_print(tb, MULTICAST_REGISTRATIONS, "mgmt frame registration for multicast");
698 ext_feat_print(tb, BEACON_PROTECTION_CLIENT, "beacon prot. for clients support");
699 ext_feat_print(tb, SCAN_FREQ_KHZ, "scan on kHz frequency support");
700 ext_feat_print(tb, CONTROL_PORT_OVER_NL80211_TX_STATUS, "tx status for nl80211 control port support");
701 ext_feat_print(tb, OPERATING_CHANNEL_VALIDATION, "Operating Channel Validation (OCV) support");
702 ext_feat_print(tb, 4WAY_HANDSHAKE_AP_PSK, "AP mode PSK offload support");
703 ext_feat_print(tb, BSS_COLOR, "BSS coloring support");
704 }
705
706 if (tb_msg[NL80211_ATTR_COALESCE_RULE]) {
707 struct nl80211_coalesce_rule_support *rule;
708 struct nl80211_pattern_support *pat;
709
710 printf("\tCoalesce support:\n");
711 rule = nla_data(tb_msg[NL80211_ATTR_COALESCE_RULE]);
712 pat = &rule->pat;
713 printf("\t\t * Maximum %u coalesce rules supported\n"
714 "\t\t * Each rule contains upto %u patterns of %u-%u bytes,\n"
715 "\t\t maximum packet offset %u bytes\n"
716 "\t\t * Maximum supported coalescing delay %u msecs\n",
717 rule->max_rules, pat->max_patterns, pat->min_pattern_len,
718 pat->max_pattern_len, pat->max_pkt_offset, rule->max_delay);
719 }
720
721 if (tb_msg[NL80211_ATTR_MAX_AP_ASSOC_STA])
722 printf("\tMaximum associated stations in AP mode: %u\n",
723 nla_get_u16(tb_msg[NL80211_ATTR_MAX_AP_ASSOC_STA]));
724
725 return NL_SKIP;
726 }
727
728 static bool nl80211_has_split_wiphy = false;
729
730 static int handle_info(struct nl80211_state *state,
731 struct nl_msg *msg,
732 int argc, char **argv,
733 enum id_input id)
734 {
735 char *feat_args[] = { "features", "-q" };
736 int err;
737
738 err = handle_cmd(state, II_NONE, 2, feat_args);
739 if (!err && nl80211_has_split_wiphy) {
740 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
741 nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP;
742 }
743
744 register_handler(print_phy_handler, NULL);
745
746 return 0;
747 }
748 __COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info,
749 "Show capabilities for the specified wireless device.", NULL);
750 TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info,
751 "List all wireless devices and their capabilities.");
752 TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL);
753
754 static int handle_commands(struct nl80211_state *state, struct nl_msg *msg,
755 int argc, char **argv, enum id_input id)
756 {
757 int i;
758 for (i = 1; i <= NL80211_CMD_MAX; i++)
759 printf("%d (0x%x): %s\n", i, i, command_name(i));
760 /* don't send netlink messages */
761 return 2;
762 }
763 TOPLEVEL(commands, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_NONE, handle_commands,
764 "list all known commands and their decimal & hex value");
765
766 static int print_feature_handler(struct nl_msg *msg, void *arg)
767 {
768 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
769 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
770 bool print = (unsigned long)arg;
771 #define maybe_printf(...) do { if (print) printf(__VA_ARGS__); } while (0)
772
773 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
774 genlmsg_attrlen(gnlh, 0), NULL);
775
776 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) {
777 uint32_t feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
778
779 maybe_printf("nl80211 features: 0x%x\n", feat);
780 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) {
781 maybe_printf("\t* split wiphy dump\n");
782 nl80211_has_split_wiphy = true;
783 }
784 }
785
786 return NL_SKIP;
787 }
788
789 static int handle_features(struct nl80211_state *state, struct nl_msg *msg,
790 int argc, char **argv, enum id_input id)
791 {
792 unsigned long print = argc == 0 || strcmp(argv[0], "-q");
793 register_handler(print_feature_handler, (void *)print);
794 return 0;
795 }
796
797 TOPLEVEL(features, "", NL80211_CMD_GET_PROTOCOL_FEATURES, 0, CIB_NONE,
798 handle_features, "");
Mirror git://git.kernel.org/pub/scm/linux/kernel/git/jberg/iw.git