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