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add a few new commands/events
[thirdparty/iw.git] / info.c
1 #include <stdbool.h>
2 #include <errno.h>
3 #include <net/if.h>
4
5 #include <netlink/genl/genl.h>
6 #include <netlink/genl/family.h>
7 #include <netlink/genl/ctrl.h>
8 #include <netlink/msg.h>
9 #include <netlink/attr.h>
10
11 #include "nl80211.h"
12 #include "iw.h"
13
14 static void print_flag(const char *name, int *open)
15 {
16 if (!*open)
17 printf(" (");
18 else
19 printf(", ");
20 printf("%s", name);
21 *open = 1;
22 }
23
24 static char *cipher_name(__u32 c)
25 {
26 static char buf[20];
27
28 switch (c) {
29 case 0x000fac01:
30 return "WEP40 (00-0f-ac:1)";
31 case 0x000fac05:
32 return "WEP104 (00-0f-ac:5)";
33 case 0x000fac02:
34 return "TKIP (00-0f-ac:2)";
35 case 0x000fac04:
36 return "CCMP (00-0f-ac:4)";
37 case 0x000fac06:
38 return "CMAC (00-0f-ac:6)";
39 case 0x000fac08:
40 return "GCMP (00-0f-ac:8)";
41 case 0x00147201:
42 return "WPI-SMS4 (00-14-72:1)";
43 default:
44 sprintf(buf, "%.2x-%.2x-%.2x:%d",
45 c >> 24, (c >> 16) & 0xff,
46 (c >> 8) & 0xff, c & 0xff);
47
48 return buf;
49 }
50 }
51
52 static char *dfs_state_name(enum nl80211_dfs_state state)
53 {
54 switch (state) {
55 case NL80211_DFS_USABLE:
56 return "usable";
57 case NL80211_DFS_AVAILABLE:
58 return "available";
59 case NL80211_DFS_UNAVAILABLE:
60 return "unavailable";
61 default:
62 return "unknown";
63 }
64 }
65
66 static int ext_feature_isset(const unsigned char *ext_features, int ext_features_len,
67 enum nl80211_ext_feature_index ftidx)
68 {
69 unsigned char ft_byte;
70
71 if ((int) ftidx / 8 >= ext_features_len)
72 return 0;
73
74 ft_byte = ext_features[ftidx / 8];
75 return (ft_byte & BIT(ftidx % 8)) != 0;
76 }
77
78 static int print_phy_handler(struct nl_msg *msg, void *arg)
79 {
80 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
81 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
82
83 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
84
85 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
86 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
87 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
88 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
89 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
90 [__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
91 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
92 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
93 };
94
95 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
96 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
97 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
98 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
99 };
100
101 struct nlattr *nl_band;
102 struct nlattr *nl_freq;
103 struct nlattr *nl_rate;
104 struct nlattr *nl_mode;
105 struct nlattr *nl_cmd;
106 struct nlattr *nl_if, *nl_ftype;
107 int rem_band, rem_freq, rem_rate, rem_mode, rem_cmd, rem_ftype, rem_if;
108 int open;
109 /*
110 * static variables only work here, other applications need to use the
111 * callback pointer and store them there so they can be multithreaded
112 * and/or have multiple netlink sockets, etc.
113 */
114 static int64_t phy_id = -1;
115 static int last_band = -1;
116 static bool band_had_freq = false;
117 bool print_name = true;
118
119 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
120 genlmsg_attrlen(gnlh, 0), NULL);
121
122 if (tb_msg[NL80211_ATTR_WIPHY]) {
123 if (nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]) == phy_id)
124 print_name = false;
125 else
126 last_band = -1;
127 phy_id = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]);
128 }
129 if (print_name && tb_msg[NL80211_ATTR_WIPHY_NAME])
130 printf("Wiphy %s\n", nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME]));
131
132 /* needed for split dump */
133 if (tb_msg[NL80211_ATTR_WIPHY_BANDS]) {
134 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
135 if (last_band != nl_band->nla_type) {
136 printf("\tBand %d:\n", nl_band->nla_type + 1);
137 band_had_freq = false;
138 }
139 last_band = nl_band->nla_type;
140
141 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
142 nla_len(nl_band), NULL);
143
144 if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
145 __u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]);
146 print_ht_capability(cap);
147 }
148 if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
149 __u8 exponent = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]);
150 print_ampdu_length(exponent);
151 }
152 if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
153 __u8 spacing = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]);
154 print_ampdu_spacing(spacing);
155 }
156 if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
157 nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16)
158 print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]));
159 if (tb_band[NL80211_BAND_ATTR_VHT_CAPA] &&
160 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])
161 print_vht_info(nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]),
162 nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]));
163
164 if (tb_band[NL80211_BAND_ATTR_FREQS]) {
165 if (!band_had_freq) {
166 printf("\t\tFrequencies:\n");
167 band_had_freq = true;
168 }
169 nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
170 uint32_t freq;
171 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
172 nla_len(nl_freq), freq_policy);
173 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
174 continue;
175 freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
176 printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));
177
178 if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
179 !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
180 printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
181
182 open = 0;
183 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) {
184 print_flag("disabled", &open);
185 goto next;
186 }
187
188 /* If both flags are set assume an new kernel */
189 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR] && tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]) {
190 print_flag("no IR", &open);
191 } else if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) {
192 print_flag("passive scan", &open);
193 } else if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]){
194 print_flag("no ibss", &open);
195 }
196
197 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
198 print_flag("radar detection", &open);
199 next:
200 if (open)
201 printf(")");
202 printf("\n");
203
204 if (!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED] && tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
205 enum nl80211_dfs_state state = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
206 unsigned long time;
207
208 printf("\t\t\t DFS state: %s", dfs_state_name(state));
209 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]) {
210 time = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]);
211 printf(" (for %lu sec)", time/1000);
212 }
213 printf("\n");
214 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME])
215 printf("\t\t\t DFS CAC time: %u ms\n",
216 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]));
217 }
218
219 }
220 }
221
222 if (tb_band[NL80211_BAND_ATTR_RATES]) {
223 printf("\t\tBitrates (non-HT):\n");
224 nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
225 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
226 nla_len(nl_rate), rate_policy);
227 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
228 continue;
229 printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]));
230 open = 0;
231 if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
232 print_flag("short preamble supported", &open);
233 if (open)
234 printf(")");
235 printf("\n");
236 }
237 }
238 }
239 }
240
241 if (tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
242 printf("\tmax # scan SSIDs: %d\n",
243 nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]));
244 if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])
245 printf("\tmax scan IEs length: %d bytes\n",
246 nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]));
247 if (tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
248 printf("\tmax # sched scan SSIDs: %d\n",
249 nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]));
250 if (tb_msg[NL80211_ATTR_MAX_MATCH_SETS])
251 printf("\tmax # match sets: %d\n",
252 nla_get_u8(tb_msg[NL80211_ATTR_MAX_MATCH_SETS]));
253
254 if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
255 unsigned int frag;
256
257 frag = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
258 if (frag != (unsigned int)-1)
259 printf("\tFragmentation threshold: %d\n", frag);
260 }
261
262 if (tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
263 unsigned int rts;
264
265 rts = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
266 if (rts != (unsigned int)-1)
267 printf("\tRTS threshold: %d\n", rts);
268 }
269
270 if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT] ||
271 tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]) {
272 unsigned char retry_short = 0, retry_long = 0;
273
274 if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT])
275 retry_short = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT]);
276 if (tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG])
277 retry_long = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]);
278 if (retry_short == retry_long) {
279 printf("\tRetry short long limit: %d\n", retry_short);
280 } else {
281 printf("\tRetry short limit: %d\n", retry_short);
282 printf("\tRetry long limit: %d\n", retry_long);
283 }
284 }
285
286 if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
287 unsigned char coverage;
288
289 coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
290 /* See handle_distance() for an explanation where the '450' comes from */
291 printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage);
292 }
293
294 if (tb_msg[NL80211_ATTR_CIPHER_SUITES]) {
295 int num = nla_len(tb_msg[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32);
296 int i;
297 __u32 *ciphers = nla_data(tb_msg[NL80211_ATTR_CIPHER_SUITES]);
298 if (num > 0) {
299 printf("\tSupported Ciphers:\n");
300 for (i = 0; i < num; i++)
301 printf("\t\t* %s\n",
302 cipher_name(ciphers[i]));
303 }
304 }
305
306 if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] &&
307 tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])
308 printf("\tAvailable Antennas: TX %#x RX %#x\n",
309 nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]),
310 nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]));
311
312 if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
313 tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])
314 printf("\tConfigured Antennas: TX %#x RX %#x\n",
315 nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]),
316 nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]));
317
318 if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) {
319 printf("\tSupported interface modes:\n");
320 nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
321 printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
322 }
323
324 if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]) {
325 printf("\tsoftware interface modes (can always be added):\n");
326 nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES], rem_mode)
327 printf("\t\t * %s\n", iftype_name(nla_type(nl_mode)));
328 }
329
330 if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) {
331 struct nlattr *nl_combi;
332 int rem_combi;
333 bool have_combinations = false;
334
335 nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) {
336 static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
337 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
338 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
339 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
340 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
341 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
342 };
343 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
344 static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
345 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
346 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
347 };
348 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
349 struct nlattr *nl_limit;
350 int err, rem_limit;
351 bool comma = false;
352
353 if (!have_combinations) {
354 printf("\tvalid interface combinations:\n");
355 have_combinations = true;
356 }
357
358 printf("\t\t * ");
359
360 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
361 nl_combi, iface_combination_policy);
362 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
363 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
364 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) {
365 printf(" <failed to parse>\n");
366 goto broken_combination;
367 }
368
369 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) {
370 bool ift_comma = false;
371
372 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
373 nl_limit, iface_limit_policy);
374 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) {
375 printf("<failed to parse>\n");
376 goto broken_combination;
377 }
378
379 if (comma)
380 printf(", ");
381 comma = true;
382 printf("#{");
383
384 nla_for_each_nested(nl_mode, tb_limit[NL80211_IFACE_LIMIT_TYPES], rem_mode) {
385 printf("%s %s", ift_comma ? "," : "",
386 iftype_name(nla_type(nl_mode)));
387 ift_comma = true;
388 }
389 printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX]));
390 }
391 printf(",\n\t\t ");
392
393 printf("total <= %d, #channels <= %d%s",
394 nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]),
395 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]),
396 tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ?
397 ", STA/AP BI must match" : "");
398 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) {
399 unsigned long widths = nla_get_u32(tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]);
400
401 if (widths) {
402 int width;
403 bool first = true;
404
405 printf(", radar detect widths: {");
406 for (width = 0; width < 32; width++)
407 if (widths & (1 << width)) {
408 printf("%s %s",
409 first ? "":",",
410 channel_width_name(width));
411 first = false;
412 }
413 printf(" }\n");
414 }
415 }
416 printf("\n");
417 broken_combination:
418 ;
419 }
420
421 if (!have_combinations)
422 printf("\tinterface combinations are not supported\n");
423 }
424
425 if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) {
426 printf("\tSupported commands:\n");
427 nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd)
428 printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd)));
429 }
430
431 if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) {
432 printf("\tSupported TX frame types:\n");
433 nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) {
434 bool printed = false;
435 nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
436 if (!printed)
437 printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
438 printed = true;
439 printf(" 0x%.2x", nla_get_u16(nl_ftype));
440 }
441 if (printed)
442 printf("\n");
443 }
444 }
445
446 if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) {
447 printf("\tSupported RX frame types:\n");
448 nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) {
449 bool printed = false;
450 nla_for_each_nested(nl_ftype, nl_if, rem_ftype) {
451 if (!printed)
452 printf("\t\t * %s:", iftype_name(nla_type(nl_if)));
453 printed = true;
454 printf(" 0x%.2x", nla_get_u16(nl_ftype));
455 }
456 if (printed)
457 printf("\n");
458 }
459 }
460
461 if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN])
462 printf("\tDevice supports RSN-IBSS.\n");
463
464 if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) {
465 struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG];
466 static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
467 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
468 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
469 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
470 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .minlen = 12 },
471 [NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED] = { .type = NLA_FLAG },
472 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
473 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
474 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
475 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
476 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_U32 },
477 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
478 };
479 struct nl80211_pattern_support *pat;
480 int err;
481
482 err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG,
483 tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED],
484 wowlan_policy);
485 printf("\tWoWLAN support:");
486 if (err) {
487 printf(" <failed to parse>\n");
488 } else {
489 printf("\n");
490 if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY])
491 printf("\t\t * wake up on anything (device continues operating normally)\n");
492 if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT])
493 printf("\t\t * wake up on disconnect\n");
494 if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT])
495 printf("\t\t * wake up on magic packet\n");
496 if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
497 pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]);
498 printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes,\n"
499 "\t\t maximum packet offset %u bytes\n",
500 pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len,
501 (nla_len(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) <
502 sizeof(*pat)) ? 0 : pat->max_pkt_offset);
503 }
504 if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
505 printf("\t\t * can do GTK rekeying\n");
506 if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
507 printf("\t\t * wake up on GTK rekey failure\n");
508 if (tb_wowlan[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
509 printf("\t\t * wake up on EAP identity request\n");
510 if (tb_wowlan[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
511 printf("\t\t * wake up on 4-way handshake\n");
512 if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
513 printf("\t\t * wake up on rfkill release\n");
514 if (tb_wowlan[NL80211_WOWLAN_TRIG_NET_DETECT])
515 printf("\t\t * wake up on network detection, up to %d match sets\n",
516 nla_get_u32(tb_wowlan[NL80211_WOWLAN_TRIG_NET_DETECT]));
517 if (tb_wowlan[NL80211_WOWLAN_TRIG_TCP_CONNECTION])
518 printf("\t\t * wake up on TCP connection\n");
519 }
520 }
521
522 if (tb_msg[NL80211_ATTR_ROAM_SUPPORT])
523 printf("\tDevice supports roaming.\n");
524
525 if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
526 printf("\tDevice supports AP-side u-APSD.\n");
527
528 if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
529 struct ieee80211_ht_cap *cm;
530 printf("\tHT Capability overrides:\n");
531 if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) {
532 cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
533 printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
534 " %02hhx %02hhx %02hhx %02hhx\n",
535 cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
536 cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
537 cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
538 cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
539 cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
540 if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU))
541 printf("\t\t * maximum A-MSDU length\n");
542 if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))
543 printf("\t\t * supported channel width\n");
544 if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40))
545 printf("\t\t * short GI for 40 MHz\n");
546 if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR)
547 printf("\t\t * max A-MPDU length exponent\n");
548 if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY)
549 printf("\t\t * min MPDU start spacing\n");
550 } else {
551 printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
552 (int)(sizeof(*cm)),
553 (int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK])));
554 }
555 }
556
557 if (tb_msg[NL80211_ATTR_FEATURE_FLAGS]) {
558 unsigned int features = nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]);
559
560 if (features & NL80211_FEATURE_SK_TX_STATUS)
561 printf("\tDevice supports TX status socket option.\n");
562 if (features & NL80211_FEATURE_HT_IBSS)
563 printf("\tDevice supports HT-IBSS.\n");
564 if (features & NL80211_FEATURE_INACTIVITY_TIMER)
565 printf("\tDevice has client inactivity timer.\n");
566 if (features & NL80211_FEATURE_CELL_BASE_REG_HINTS)
567 printf("\tDevice accepts cell base station regulatory hints.\n");
568 if (features & NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
569 printf("\tP2P Device uses a channel (of the concurrent ones)\n");
570 if (features & NL80211_FEATURE_SAE)
571 printf("\tDevice supports SAE with AUTHENTICATE command\n");
572 if (features & NL80211_FEATURE_LOW_PRIORITY_SCAN)
573 printf("\tDevice supports low priority scan.\n");
574 if (features & NL80211_FEATURE_SCAN_FLUSH)
575 printf("\tDevice supports scan flush.\n");
576 if (features & NL80211_FEATURE_AP_SCAN)
577 printf("\tDevice supports AP scan.\n");
578 if (features & NL80211_FEATURE_VIF_TXPOWER)
579 printf("\tDevice supports per-vif TX power setting\n");
580 if (features & NL80211_FEATURE_NEED_OBSS_SCAN)
581 printf("\tUserspace should do OBSS scan and generate 20/40 coex reports\n");
582 if (features & NL80211_FEATURE_P2P_GO_CTWIN)
583 printf("\tP2P GO supports CT window setting\n");
584 if (features & NL80211_FEATURE_P2P_GO_OPPPS)
585 printf("\tP2P GO supports opportunistic powersave setting\n");
586 if (features & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
587 printf("\tDriver supports full state transitions for AP/GO clients\n");
588 if (features & NL80211_FEATURE_USERSPACE_MPM)
589 printf("\tDriver supports a userspace MPM\n");
590 if (features & NL80211_FEATURE_ACTIVE_MONITOR)
591 printf("\tDevice supports active monitor (which will ACK incoming frames)\n");
592 if (features & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
593 printf("\tDriver/device bandwidth changes during BSS lifetime (AP/GO mode)\n");
594 if (features & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
595 printf("\tDevice adds DS IE to probe requests\n");
596 if (features & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
597 printf("\tDevice adds WFA TPC Report IE to probe requests\n");
598 if (features & NL80211_FEATURE_QUIET)
599 printf("\tDevice supports quiet requests from AP\n");
600 if (features & NL80211_FEATURE_TX_POWER_INSERTION)
601 printf("\tDevice can update TPC Report IE\n");
602 if (features & NL80211_FEATURE_ACKTO_ESTIMATION)
603 printf("\tDevice supports ACK timeout estimation.\n");
604 if (features & NL80211_FEATURE_STATIC_SMPS)
605 printf("\tDevice supports static SMPS\n");
606 if (features & NL80211_FEATURE_DYNAMIC_SMPS)
607 printf("\tDevice supports dynamic SMPS\n");
608 if (features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
609 printf("\tDevice supports WMM-AC admission (TSPECs)\n");
610 if (features & NL80211_FEATURE_MAC_ON_CREATE)
611 printf("\tDevice supports configuring vdev MAC-addr on create.\n");
612 if (features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)
613 printf("\tDevice supports TDLS channel switching\n");
614 }
615
616 if (tb_msg[NL80211_ATTR_EXT_FEATURES]) {
617 struct nlattr *tb = tb_msg[NL80211_ATTR_EXT_FEATURES];
618
619 if (ext_feature_isset(nla_data(tb), nla_len(tb),
620 NL80211_EXT_FEATURE_VHT_IBSS))
621 printf("\tDevice supports VHT-IBSS.\n");
622 }
623
624 if (tb_msg[NL80211_ATTR_TDLS_SUPPORT])
625 printf("\tDevice supports T-DLS.\n");
626
627 if (tb_msg[NL80211_ATTR_COALESCE_RULE]) {
628 struct nl80211_coalesce_rule_support *rule;
629 struct nl80211_pattern_support *pat;
630
631 printf("\tCoalesce support:\n");
632 rule = nla_data(tb_msg[NL80211_ATTR_COALESCE_RULE]);
633 pat = &rule->pat;
634 printf("\t\t * Maximum %u coalesce rules supported\n"
635 "\t\t * Each rule contains upto %u patterns of %u-%u bytes,\n"
636 "\t\t maximum packet offset %u bytes\n"
637 "\t\t * Maximum supported coalescing delay %u msecs\n",
638 rule->max_rules, pat->max_patterns, pat->min_pattern_len,
639 pat->max_pattern_len, pat->max_pkt_offset, rule->max_delay);
640 }
641
642 return NL_SKIP;
643 }
644
645 static bool nl80211_has_split_wiphy = false;
646
647 static int handle_info(struct nl80211_state *state,
648 struct nl_msg *msg,
649 int argc, char **argv,
650 enum id_input id)
651 {
652 char *feat_args[] = { "features", "-q" };
653 int err;
654
655 err = handle_cmd(state, CIB_NONE, 2, feat_args);
656 if (!err && nl80211_has_split_wiphy) {
657 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
658 nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP;
659 }
660
661 register_handler(print_phy_handler, NULL);
662
663 return 0;
664 }
665 __COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info,
666 "Show capabilities for the specified wireless device.", NULL);
667 TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info,
668 "List all wireless devices and their capabilities.");
669 TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL);
670
671 static int handle_commands(struct nl80211_state *state, struct nl_msg *msg,
672 int argc, char **argv, enum id_input id)
673 {
674 int i;
675 for (i = 1; i < NL80211_CMD_MAX; i++)
676 printf("%d (0x%x): %s\n", i, i, command_name(i));
677 /* don't send netlink messages */
678 return 2;
679 }
680 TOPLEVEL(commands, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_NONE, handle_commands,
681 "list all known commands and their decimal & hex value");
682
683 static int print_feature_handler(struct nl_msg *msg, void *arg)
684 {
685 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
686 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
687 bool print = (unsigned long)arg;
688 #define maybe_printf(...) do { if (print) printf(__VA_ARGS__); } while (0)
689
690 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
691 genlmsg_attrlen(gnlh, 0), NULL);
692
693 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) {
694 uint32_t feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
695
696 maybe_printf("nl80211 features: 0x%x\n", feat);
697 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) {
698 maybe_printf("\t* split wiphy dump\n");
699 nl80211_has_split_wiphy = true;
700 }
701 }
702
703 return NL_SKIP;
704 }
705
706 static int handle_features(struct nl80211_state *state, struct nl_msg *msg,
707 int argc, char **argv, enum id_input id)
708 {
709 unsigned long print = argc == 0 || strcmp(argv[0], "-q");
710 register_handler(print_feature_handler, (void *)print);
711 return 0;
712 }
713
714 TOPLEVEL(features, "", NL80211_CMD_GET_PROTOCOL_FEATURES, 0, CIB_NONE,
715 handle_features, "");
Mirror git://git.kernel.org/pub/scm/linux/kernel/git/jberg/iw.git