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Commit | Line | Data |
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21878f36 | 1 | #include <stdbool.h> |
79f99b9a | 2 | #include <errno.h> |
2ef1be68 JB |
3 | #include <net/if.h> |
4 | ||
79f99b9a JB |
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> | |
79f99b9a | 10 | |
f408e01b | 11 | #include "nl80211.h" |
79f99b9a JB |
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(", "); | |
69283122 | 20 | printf("%s", name); |
79f99b9a JB |
21 | *open = 1; |
22 | } | |
23 | ||
810e05c3 JB |
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)"; | |
a8b3da9d VK |
39 | case 0x000fac08: |
40 | return "GCMP (00-0f-ac:8)"; | |
810e05c3 JB |
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 | ||
48aaf2d9 SW |
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 | ||
79f99b9a JB |
66 | static int print_phy_handler(struct nl_msg *msg, void *arg) |
67 | { | |
68 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
69 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
70 | ||
71 | struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; | |
72 | ||
73 | struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
74 | static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { | |
75 | [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, | |
76 | [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, | |
f0c48e7b IP |
77 | [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, |
78 | [__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG }, | |
79f99b9a | 79 | [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, |
c1081c20 | 80 | [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, |
79f99b9a JB |
81 | }; |
82 | ||
83 | struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; | |
84 | static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { | |
85 | [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, | |
86 | [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG }, | |
87 | }; | |
88 | ||
89 | struct nlattr *nl_band; | |
90 | struct nlattr *nl_freq; | |
91 | struct nlattr *nl_rate; | |
6367e71a | 92 | struct nlattr *nl_mode; |
9990c1e9 | 93 | struct nlattr *nl_cmd; |
9a4a14bd | 94 | struct nlattr *nl_if, *nl_ftype; |
9a4a14bd | 95 | int rem_band, rem_freq, rem_rate, rem_mode, rem_cmd, rem_ftype, rem_if; |
79f99b9a | 96 | int open; |
fb70e110 JB |
97 | /* |
98 | * static variables only work here, other applications need to use the | |
99 | * callback pointer and store them there so they can be multithreaded | |
100 | * and/or have multiple netlink sockets, etc. | |
101 | */ | |
102 | static int64_t phy_id = -1; | |
103 | static int last_band = -1; | |
104 | static bool band_had_freq = false; | |
105 | bool print_name = true; | |
79f99b9a JB |
106 | |
107 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
108 | genlmsg_attrlen(gnlh, 0), NULL); | |
109 | ||
fb70e110 JB |
110 | if (tb_msg[NL80211_ATTR_WIPHY]) { |
111 | if (nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]) == phy_id) | |
112 | print_name = false; | |
113 | else | |
114 | last_band = -1; | |
115 | phy_id = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]); | |
116 | } | |
117 | if (print_name && tb_msg[NL80211_ATTR_WIPHY_NAME]) | |
d631650b JB |
118 | printf("Wiphy %s\n", nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME])); |
119 | ||
fb70e110 JB |
120 | /* needed for split dump */ |
121 | if (tb_msg[NL80211_ATTR_WIPHY_BANDS]) { | |
122 | nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) { | |
123 | if (last_band != nl_band->nla_type) { | |
124 | printf("\tBand %d:\n", nl_band->nla_type + 1); | |
125 | band_had_freq = false; | |
ee9cd987 | 126 | } |
fb70e110 | 127 | last_band = nl_band->nla_type; |
48aaf2d9 | 128 | |
fb70e110 JB |
129 | nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), |
130 | nla_len(nl_band), NULL); | |
48aaf2d9 | 131 | |
fb70e110 JB |
132 | if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) { |
133 | __u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]); | |
134 | print_ht_capability(cap); | |
135 | } | |
136 | if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) { | |
137 | __u8 exponent = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]); | |
138 | print_ampdu_length(exponent); | |
139 | } | |
140 | if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) { | |
141 | __u8 spacing = nla_get_u8(tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]); | |
142 | print_ampdu_spacing(spacing); | |
143 | } | |
144 | if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] && | |
145 | nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]) == 16) | |
146 | print_ht_mcs(nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET])); | |
147 | if (tb_band[NL80211_BAND_ATTR_VHT_CAPA] && | |
148 | tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]) | |
149 | print_vht_info(nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]), | |
150 | nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])); | |
151 | ||
152 | if (tb_band[NL80211_BAND_ATTR_FREQS]) { | |
153 | if (!band_had_freq) { | |
154 | printf("\t\tFrequencies:\n"); | |
155 | band_had_freq = true; | |
156 | } | |
157 | nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) { | |
158 | uint32_t freq; | |
159 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq), | |
160 | nla_len(nl_freq), freq_policy); | |
161 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
162 | continue; | |
163 | freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); | |
164 | printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq)); | |
165 | ||
166 | if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] && | |
167 | !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) | |
168 | printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER])); | |
169 | ||
170 | open = 0; | |
171 | if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) { | |
172 | print_flag("disabled", &open); | |
173 | goto next; | |
174 | } | |
f0c48e7b IP |
175 | |
176 | /* If both flags are set assume an new kernel */ | |
177 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR] && tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]) { | |
178 | print_flag("no IR", &open); | |
179 | } else if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) { | |
180 | print_flag("passive scan", &open); | |
181 | } else if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]){ | |
182 | print_flag("no ibss", &open); | |
183 | } | |
184 | ||
fb70e110 JB |
185 | if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) |
186 | print_flag("radar detection", &open); | |
187 | next: | |
188 | if (open) | |
189 | printf(")"); | |
190 | printf("\n"); | |
191 | ||
4b99e6a6 ZK |
192 | if (!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED] && tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { |
193 | enum nl80211_dfs_state state = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); | |
194 | unsigned long time; | |
195 | ||
196 | printf("\t\t\t DFS state: %s", dfs_state_name(state)); | |
197 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]) { | |
198 | time = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]); | |
199 | printf(" (for %lu sec)", time/1000); | |
200 | } | |
201 | printf("\n"); | |
8220747f JD |
202 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) |
203 | printf("\t\t\t DFS CAC time: %u ms\n", | |
204 | nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME])); | |
fb70e110 | 205 | } |
4b99e6a6 | 206 | |
48aaf2d9 | 207 | } |
48aaf2d9 | 208 | } |
79f99b9a | 209 | |
fb70e110 JB |
210 | if (tb_band[NL80211_BAND_ATTR_RATES]) { |
211 | printf("\t\tBitrates (non-HT):\n"); | |
212 | nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) { | |
213 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate), | |
214 | nla_len(nl_rate), rate_policy); | |
215 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
216 | continue; | |
217 | printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE])); | |
218 | open = 0; | |
219 | if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE]) | |
220 | print_flag("short preamble supported", &open); | |
221 | if (open) | |
222 | printf(")"); | |
223 | printf("\n"); | |
224 | } | |
225 | } | |
79f99b9a JB |
226 | } |
227 | } | |
228 | ||
41be37f2 JB |
229 | if (tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) |
230 | printf("\tmax # scan SSIDs: %d\n", | |
231 | nla_get_u8(tb_msg[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])); | |
f9c112b6 JB |
232 | if (tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN]) |
233 | printf("\tmax scan IEs length: %d bytes\n", | |
8eaa9ee5 | 234 | nla_get_u16(tb_msg[NL80211_ATTR_MAX_SCAN_IE_LEN])); |
41be37f2 | 235 | |
625aa4ae JB |
236 | if (tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { |
237 | unsigned int frag; | |
238 | ||
239 | frag = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
240 | if (frag != (unsigned int)-1) | |
241 | printf("\tFragmentation threshold: %d\n", frag); | |
242 | } | |
243 | ||
244 | if (tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
245 | unsigned int rts; | |
246 | ||
247 | rts = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
248 | if (rts != (unsigned int)-1) | |
249 | printf("\tRTS threshold: %d\n", rts); | |
250 | } | |
251 | ||
c993e6e7 UR |
252 | if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT] || |
253 | tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
254 | unsigned char retry_short = 0, retry_long = 0; | |
255 | ||
256 | if (tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT]) | |
257 | retry_short = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
258 | if (tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]) | |
259 | retry_long = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
260 | if (retry_short == retry_long) { | |
261 | printf("\tRetry short long limit: %d\n", retry_short); | |
262 | } else { | |
263 | printf("\tRetry short limit: %d\n", retry_short); | |
264 | printf("\tRetry long limit: %d\n", retry_long); | |
265 | } | |
266 | } | |
267 | ||
b2f92dd0 LT |
268 | if (tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
269 | unsigned char coverage; | |
270 | ||
271 | coverage = nla_get_u8(tb_msg[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
272 | /* See handle_distance() for an explanation where the '450' comes from */ | |
273 | printf("\tCoverage class: %d (up to %dm)\n", coverage, 450 * coverage); | |
274 | } | |
275 | ||
810e05c3 JB |
276 | if (tb_msg[NL80211_ATTR_CIPHER_SUITES]) { |
277 | int num = nla_len(tb_msg[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32); | |
278 | int i; | |
279 | __u32 *ciphers = nla_data(tb_msg[NL80211_ATTR_CIPHER_SUITES]); | |
280 | if (num > 0) { | |
281 | printf("\tSupported Ciphers:\n"); | |
282 | for (i = 0; i < num; i++) | |
283 | printf("\t\t* %s\n", | |
284 | cipher_name(ciphers[i])); | |
285 | } | |
286 | } | |
287 | ||
afce7986 BR |
288 | if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX] && |
289 | tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX]) | |
290 | printf("\tAvailable Antennas: TX %#x RX %#x\n", | |
291 | nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX]), | |
292 | nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX])); | |
293 | ||
294 | if (tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX] && | |
295 | tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX]) | |
296 | printf("\tConfigured Antennas: TX %#x RX %#x\n", | |
297 | nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_TX]), | |
298 | nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_ANTENNA_RX])); | |
299 | ||
9a4a14bd JB |
300 | if (tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES]) { |
301 | printf("\tSupported interface modes:\n"); | |
302 | nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode) | |
8ef6df4f | 303 | printf("\t\t * %s\n", iftype_name(nla_type(nl_mode))); |
9a4a14bd | 304 | } |
6367e71a | 305 | |
1c5b4a82 JB |
306 | if (tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES]) { |
307 | printf("\tsoftware interface modes (can always be added):\n"); | |
308 | nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SOFTWARE_IFTYPES], rem_mode) | |
309 | printf("\t\t * %s\n", iftype_name(nla_type(nl_mode))); | |
310 | } | |
311 | ||
312 | if (tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS]) { | |
313 | struct nlattr *nl_combi; | |
314 | int rem_combi; | |
f5f6f15f | 315 | bool have_combinations = false; |
1c5b4a82 JB |
316 | |
317 | nla_for_each_nested(nl_combi, tb_msg[NL80211_ATTR_INTERFACE_COMBINATIONS], rem_combi) { | |
318 | static struct nla_policy iface_combination_policy[NUM_NL80211_IFACE_COMB] = { | |
319 | [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED }, | |
320 | [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 }, | |
321 | [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG }, | |
322 | [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 }, | |
c5df9eb6 | 323 | [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 }, |
1c5b4a82 JB |
324 | }; |
325 | struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB]; | |
326 | static struct nla_policy iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = { | |
327 | [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED }, | |
328 | [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 }, | |
329 | }; | |
330 | struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT]; | |
331 | struct nlattr *nl_limit; | |
332 | int err, rem_limit; | |
333 | bool comma = false; | |
334 | ||
f5f6f15f JB |
335 | if (!have_combinations) { |
336 | printf("\tvalid interface combinations:\n"); | |
337 | have_combinations = true; | |
338 | } | |
339 | ||
1c5b4a82 JB |
340 | printf("\t\t * "); |
341 | ||
342 | err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB, | |
343 | nl_combi, iface_combination_policy); | |
344 | if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] || | |
345 | !tb_comb[NL80211_IFACE_COMB_MAXNUM] || | |
346 | !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) { | |
347 | printf(" <failed to parse>\n"); | |
348 | goto broken_combination; | |
349 | } | |
350 | ||
351 | nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], rem_limit) { | |
352 | bool ift_comma = false; | |
353 | ||
354 | err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT, | |
355 | nl_limit, iface_limit_policy); | |
356 | if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) { | |
357 | printf("<failed to parse>\n"); | |
358 | goto broken_combination; | |
359 | } | |
360 | ||
361 | if (comma) | |
362 | printf(", "); | |
363 | comma = true; | |
364 | printf("#{"); | |
365 | ||
366 | nla_for_each_nested(nl_mode, tb_limit[NL80211_IFACE_LIMIT_TYPES], rem_mode) { | |
367 | printf("%s %s", ift_comma ? "," : "", | |
368 | iftype_name(nla_type(nl_mode))); | |
369 | ift_comma = true; | |
370 | } | |
371 | printf(" } <= %u", nla_get_u32(tb_limit[NL80211_IFACE_LIMIT_MAX])); | |
372 | } | |
373 | printf(",\n\t\t "); | |
374 | ||
c5df9eb6 | 375 | printf("total <= %d, #channels <= %d%s", |
1c5b4a82 JB |
376 | nla_get_u32(tb_comb[NL80211_IFACE_COMB_MAXNUM]), |
377 | nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]), | |
378 | tb_comb[NL80211_IFACE_COMB_STA_AP_BI_MATCH] ? | |
379 | ", STA/AP BI must match" : ""); | |
c5df9eb6 SW |
380 | if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) { |
381 | unsigned long widths = nla_get_u32(tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]); | |
382 | ||
383 | if (widths) { | |
384 | int width; | |
385 | bool first = true; | |
386 | ||
387 | printf(", radar detect widths: {"); | |
388 | for (width = 0; width < 32; width++) | |
389 | if (widths & (1 << width)) { | |
390 | printf("%s %s", | |
391 | first ? "":",", | |
392 | channel_width_name(width)); | |
393 | first = false; | |
394 | } | |
395 | printf(" }\n"); | |
396 | } | |
397 | } | |
398 | printf("\n"); | |
1c5b4a82 JB |
399 | broken_combination: |
400 | ; | |
401 | } | |
f5f6f15f JB |
402 | |
403 | if (!have_combinations) | |
404 | printf("\tinterface combinations are not supported\n"); | |
1c5b4a82 JB |
405 | } |
406 | ||
9a4a14bd JB |
407 | if (tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS]) { |
408 | printf("\tSupported commands:\n"); | |
409 | nla_for_each_nested(nl_cmd, tb_msg[NL80211_ATTR_SUPPORTED_COMMANDS], rem_cmd) | |
410 | printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd))); | |
411 | } | |
6367e71a | 412 | |
9a4a14bd JB |
413 | if (tb_msg[NL80211_ATTR_TX_FRAME_TYPES]) { |
414 | printf("\tSupported TX frame types:\n"); | |
415 | nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_TX_FRAME_TYPES], rem_if) { | |
416 | bool printed = false; | |
417 | nla_for_each_nested(nl_ftype, nl_if, rem_ftype) { | |
418 | if (!printed) | |
419 | printf("\t\t * %s:", iftype_name(nla_type(nl_if))); | |
420 | printed = true; | |
58e34341 | 421 | printf(" 0x%.2x", nla_get_u16(nl_ftype)); |
9a4a14bd JB |
422 | } |
423 | if (printed) | |
424 | printf("\n"); | |
425 | } | |
426 | } | |
9990c1e9 | 427 | |
9a4a14bd JB |
428 | if (tb_msg[NL80211_ATTR_RX_FRAME_TYPES]) { |
429 | printf("\tSupported RX frame types:\n"); | |
430 | nla_for_each_nested(nl_if, tb_msg[NL80211_ATTR_RX_FRAME_TYPES], rem_if) { | |
431 | bool printed = false; | |
432 | nla_for_each_nested(nl_ftype, nl_if, rem_ftype) { | |
433 | if (!printed) | |
434 | printf("\t\t * %s:", iftype_name(nla_type(nl_if))); | |
435 | printed = true; | |
58e34341 | 436 | printf(" 0x%.2x", nla_get_u16(nl_ftype)); |
9a4a14bd JB |
437 | } |
438 | if (printed) | |
439 | printf("\n"); | |
440 | } | |
441 | } | |
9990c1e9 | 442 | |
3ff24563 | 443 | if (tb_msg[NL80211_ATTR_SUPPORT_IBSS_RSN]) |
83f10169 | 444 | printf("\tDevice supports RSN-IBSS.\n"); |
3ff24563 JB |
445 | |
446 | if (tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]) { | |
447 | struct nlattr *tb_wowlan[NUM_NL80211_WOWLAN_TRIG]; | |
448 | static struct nla_policy wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
449 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
450 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
451 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
1c8f49c5 | 452 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .minlen = 12 }, |
3a6636b1 JB |
453 | [NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED] = { .type = NLA_FLAG }, |
454 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, | |
455 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
456 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
457 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
819b78cc | 458 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
3ff24563 | 459 | }; |
c82868da | 460 | struct nl80211_pattern_support *pat; |
3ff24563 JB |
461 | int err; |
462 | ||
463 | err = nla_parse_nested(tb_wowlan, MAX_NL80211_WOWLAN_TRIG, | |
464 | tb_msg[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED], | |
465 | wowlan_policy); | |
466 | printf("\tWoWLAN support:"); | |
467 | if (err) { | |
468 | printf(" <failed to parse>\n"); | |
469 | } else { | |
470 | printf("\n"); | |
471 | if (tb_wowlan[NL80211_WOWLAN_TRIG_ANY]) | |
3a6636b1 | 472 | printf("\t\t * wake up on anything (device continues operating normally)\n"); |
3ff24563 | 473 | if (tb_wowlan[NL80211_WOWLAN_TRIG_DISCONNECT]) |
3a6636b1 | 474 | printf("\t\t * wake up on disconnect\n"); |
3ff24563 | 475 | if (tb_wowlan[NL80211_WOWLAN_TRIG_MAGIC_PKT]) |
3a6636b1 | 476 | printf("\t\t * wake up on magic packet\n"); |
3ff24563 JB |
477 | if (tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
478 | pat = nla_data(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]); | |
1c8f49c5 AK |
479 | printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes,\n" |
480 | "\t\t maximum packet offset %u bytes\n", | |
481 | pat->max_patterns, pat->min_pattern_len, pat->max_pattern_len, | |
482 | (nla_len(tb_wowlan[NL80211_WOWLAN_TRIG_PKT_PATTERN]) < | |
483 | sizeof(*pat)) ? 0 : pat->max_pkt_offset); | |
3ff24563 | 484 | } |
3a6636b1 JB |
485 | if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
486 | printf("\t\t * can do GTK rekeying\n"); | |
487 | if (tb_wowlan[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) | |
488 | printf("\t\t * wake up on GTK rekey failure\n"); | |
489 | if (tb_wowlan[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) | |
490 | printf("\t\t * wake up on EAP identity request\n"); | |
491 | if (tb_wowlan[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) | |
492 | printf("\t\t * wake up on 4-way handshake\n"); | |
493 | if (tb_wowlan[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) | |
494 | printf("\t\t * wake up on rfkill release\n"); | |
819b78cc JB |
495 | if (tb_wowlan[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) |
496 | printf("\t\t * wake up on TCP connection\n"); | |
3ff24563 | 497 | } |
83f10169 JB |
498 | } |
499 | ||
2e4f65ca JB |
500 | if (tb_msg[NL80211_ATTR_ROAM_SUPPORT]) |
501 | printf("\tDevice supports roaming.\n"); | |
502 | ||
8b469995 JB |
503 | if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD]) |
504 | printf("\tDevice supports AP-side u-APSD.\n"); | |
505 | ||
a82abc2c BG |
506 | if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
507 | struct ieee80211_ht_cap *cm; | |
508 | printf("\tHT Capability overrides:\n"); | |
509 | if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) { | |
510 | cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]); | |
511 | printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx" | |
512 | " %02hhx %02hhx %02hhx %02hhx\n", | |
513 | cm->mcs.rx_mask[0], cm->mcs.rx_mask[1], | |
514 | cm->mcs.rx_mask[2], cm->mcs.rx_mask[3], | |
515 | cm->mcs.rx_mask[4], cm->mcs.rx_mask[5], | |
516 | cm->mcs.rx_mask[6], cm->mcs.rx_mask[7], | |
517 | cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]); | |
518 | if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU)) | |
519 | printf("\t\t * maximum A-MSDU length\n"); | |
520 | if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40)) | |
521 | printf("\t\t * supported channel width\n"); | |
522 | if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40)) | |
523 | printf("\t\t * short GI for 40 MHz\n"); | |
524 | if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR) | |
525 | printf("\t\t * max A-MPDU length exponent\n"); | |
526 | if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY) | |
527 | printf("\t\t * min MPDU start spacing\n"); | |
528 | } else { | |
529 | printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n", | |
530 | (int)(sizeof(*cm)), | |
531 | (int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]))); | |
532 | } | |
533 | } | |
534 | ||
632004a0 | 535 | if (tb_msg[NL80211_ATTR_FEATURE_FLAGS]) { |
d28df6b4 JB |
536 | unsigned int features = nla_get_u32(tb_msg[NL80211_ATTR_FEATURE_FLAGS]); |
537 | ||
538 | if (features & NL80211_FEATURE_SK_TX_STATUS) | |
632004a0 | 539 | printf("\tDevice supports TX status socket option.\n"); |
d28df6b4 | 540 | if (features & NL80211_FEATURE_HT_IBSS) |
632004a0 | 541 | printf("\tDevice supports HT-IBSS.\n"); |
d28df6b4 JB |
542 | if (features & NL80211_FEATURE_INACTIVITY_TIMER) |
543 | printf("\tDevice has client inactivity timer.\n"); | |
544 | if (features & NL80211_FEATURE_CELL_BASE_REG_HINTS) | |
545 | printf("\tDevice accepts cell base station regulatory hints.\n"); | |
546 | if (features & NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL) | |
547 | printf("\tP2P Device uses a channel (of the concurrent ones)\n"); | |
5973e65b JB |
548 | if (features & NL80211_FEATURE_SAE) |
549 | printf("\tDevice supports SAE with AUTHENTICATE command\n"); | |
fe862239 SL |
550 | if (features & NL80211_FEATURE_LOW_PRIORITY_SCAN) |
551 | printf("\tDevice supports low priority scan.\n"); | |
552 | if (features & NL80211_FEATURE_SCAN_FLUSH) | |
553 | printf("\tDevice supports scan flush.\n"); | |
afa2be2f AQ |
554 | if (features & NL80211_FEATURE_AP_SCAN) |
555 | printf("\tDevice supports AP scan.\n"); | |
5973e65b JB |
556 | if (features & NL80211_FEATURE_VIF_TXPOWER) |
557 | printf("\tDevice supports per-vif TX power setting\n"); | |
558 | if (features & NL80211_FEATURE_NEED_OBSS_SCAN) | |
559 | printf("\tUserspace should do OBSS scan and generate 20/40 coex reports\n"); | |
560 | if (features & NL80211_FEATURE_P2P_GO_CTWIN) | |
561 | printf("\tP2P GO supports CT window setting\n"); | |
562 | if (features & NL80211_FEATURE_P2P_GO_OPPPS) | |
563 | printf("\tP2P GO supports opportunistic powersave setting\n"); | |
564 | if (features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) | |
565 | printf("\tDriver supports full state transitions for AP/GO clients\n"); | |
566 | if (features & NL80211_FEATURE_USERSPACE_MPM) | |
567 | printf("\tDriver supports a userspace MPM\n"); | |
568 | if (features & NL80211_FEATURE_ACTIVE_MONITOR) | |
569 | printf("\tDevice supports active monitor (which will ACK incoming frames)\n"); | |
570 | if (features & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) | |
571 | printf("\tDriver/device bandwidth changes during BSS lifetime (AP/GO mode)\n"); | |
572 | if (features & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) | |
573 | printf("\tDevice adds DS IE to probe requests\n"); | |
574 | if (features & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES) | |
575 | printf("\tDevice adds WFA TPC Report IE to probe requests\n"); | |
576 | if (features & NL80211_FEATURE_QUIET) | |
577 | printf("\tDevice supports quiet requests from AP\n"); | |
578 | if (features & NL80211_FEATURE_TX_POWER_INSERTION) | |
579 | printf("\tDevice can update TPC Report IE\n"); | |
e642142d LB |
580 | if (features & NL80211_FEATURE_ACKTO_ESTIMATION) |
581 | printf("\tDevice supports ACK timeout estimation.\n"); | |
5973e65b JB |
582 | if (features & NL80211_FEATURE_STATIC_SMPS) |
583 | printf("\tDevice supports static SMPS\n"); | |
584 | if (features & NL80211_FEATURE_DYNAMIC_SMPS) | |
585 | printf("\tDevice supports dynamic SMPS\n"); | |
632004a0 JB |
586 | } |
587 | ||
9b4a1989 JB |
588 | if (tb_msg[NL80211_ATTR_TDLS_SUPPORT]) |
589 | printf("\tDevice supports T-DLS.\n"); | |
590 | ||
aa0f5dbe AK |
591 | if (tb_msg[NL80211_ATTR_COALESCE_RULE]) { |
592 | struct nl80211_coalesce_rule_support *rule; | |
593 | struct nl80211_pattern_support *pat; | |
594 | ||
595 | printf("\tCoalesce support:\n"); | |
596 | rule = nla_data(tb_msg[NL80211_ATTR_COALESCE_RULE]); | |
597 | pat = &rule->pat; | |
598 | printf("\t\t * Maximum %u coalesce rules supported\n" | |
599 | "\t\t * Each rule contains upto %u patterns of %u-%u bytes,\n" | |
600 | "\t\t maximum packet offset %u bytes\n" | |
601 | "\t\t * Maximum supported coalescing delay %u msecs\n", | |
602 | rule->max_rules, pat->max_patterns, pat->min_pattern_len, | |
603 | pat->max_pattern_len, pat->max_pkt_offset, rule->max_delay); | |
604 | } | |
605 | ||
79f99b9a JB |
606 | return NL_SKIP; |
607 | } | |
608 | ||
c142fa28 JB |
609 | static bool nl80211_has_split_wiphy = false; |
610 | ||
7c37a24d JB |
611 | static int handle_info(struct nl80211_state *state, |
612 | struct nl_cb *cb, | |
d631650b | 613 | struct nl_msg *msg, |
05514f95 JB |
614 | int argc, char **argv, |
615 | enum id_input id) | |
79f99b9a | 616 | { |
c142fa28 JB |
617 | char *feat_args[] = { "features", "-q" }; |
618 | int err; | |
619 | ||
620 | err = handle_cmd(state, CIB_NONE, 2, feat_args); | |
621 | if (!err && nl80211_has_split_wiphy) { | |
622 | nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); | |
623 | nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP; | |
624 | } | |
625 | ||
79f99b9a | 626 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_phy_handler, NULL); |
79f99b9a | 627 | |
70391ccf | 628 | return 0; |
79f99b9a | 629 | } |
c142fa28 | 630 | __COMMAND(NULL, info, "info", NULL, NL80211_CMD_GET_WIPHY, 0, 0, CIB_PHY, handle_info, |
1633ddf7 | 631 | "Show capabilities for the specified wireless device.", NULL); |
ea35fc0b JB |
632 | TOPLEVEL(list, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, |
633 | "List all wireless devices and their capabilities."); | |
01ae06f9 | 634 | TOPLEVEL(phy, NULL, NL80211_CMD_GET_WIPHY, NLM_F_DUMP, CIB_NONE, handle_info, NULL); |
bcdff0b2 JB |
635 | |
636 | static int handle_commands(struct nl80211_state *state, | |
637 | struct nl_cb *cb, struct nl_msg *msg, | |
638 | int argc, char **argv, enum id_input id) | |
639 | { | |
640 | int i; | |
641 | for (i = 1; i < NL80211_CMD_MAX; i++) | |
642 | printf("%d (0x%x): %s\n", i, i, command_name(i)); | |
643 | /* don't send netlink messages */ | |
644 | return 2; | |
645 | } | |
646 | TOPLEVEL(commands, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_NONE, handle_commands, | |
647 | "list all known commands and their decimal & hex value"); | |
fb70e110 JB |
648 | |
649 | static int print_feature_handler(struct nl_msg *msg, void *arg) | |
650 | { | |
651 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
652 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
c142fa28 JB |
653 | bool print = (unsigned long)arg; |
654 | #define maybe_printf(...) do { if (print) printf(__VA_ARGS__); } while (0) | |
fb70e110 JB |
655 | |
656 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
657 | genlmsg_attrlen(gnlh, 0), NULL); | |
658 | ||
659 | if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) { | |
660 | uint32_t feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]); | |
661 | ||
c142fa28 JB |
662 | maybe_printf("nl80211 features: 0x%x\n", feat); |
663 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) { | |
664 | maybe_printf("\t* split wiphy dump\n"); | |
665 | nl80211_has_split_wiphy = true; | |
666 | } | |
fb70e110 JB |
667 | } |
668 | ||
669 | return NL_SKIP; | |
670 | } | |
671 | ||
672 | static int handle_features(struct nl80211_state *state, | |
673 | struct nl_cb *cb, struct nl_msg *msg, | |
674 | int argc, char **argv, enum id_input id) | |
675 | { | |
c142fa28 JB |
676 | unsigned long print = argc == 0 || strcmp(argv[0], "-q"); |
677 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_feature_handler, (void *)print); | |
fb70e110 JB |
678 | return 0; |
679 | } | |
680 | ||
c142fa28 | 681 | TOPLEVEL(features, "", NL80211_CMD_GET_PROTOCOL_FEATURES, 0, CIB_NONE, |
fb70e110 | 682 | handle_features, ""); |