]>
Commit | Line | Data |
---|---|---|
748f8489 | 1 | #include <ctype.h> |
51e9bd80 JB |
2 | #include <netlink/attr.h> |
3 | #include <errno.h> | |
4 | #include <stdbool.h> | |
3d1e8704 | 5 | #include "iw.h" |
f5f7b1d0 | 6 | #include "nl80211.h" |
3d1e8704 | 7 | |
febeb0c0 | 8 | void mac_addr_n2a(char *mac_addr, unsigned char *arg) |
3d1e8704 | 9 | { |
53e5ce7a | 10 | int i, l; |
3d1e8704 LCC |
11 | |
12 | l = 0; | |
13 | for (i = 0; i < ETH_ALEN ; i++) { | |
14 | if (i == 0) { | |
53e5ce7a | 15 | sprintf(mac_addr+l, "%02x", arg[i]); |
3d1e8704 LCC |
16 | l += 2; |
17 | } else { | |
53e5ce7a | 18 | sprintf(mac_addr+l, ":%02x", arg[i]); |
3d1e8704 LCC |
19 | l += 3; |
20 | } | |
21 | } | |
3d1e8704 LCC |
22 | } |
23 | ||
24 | int mac_addr_a2n(unsigned char *mac_addr, char *arg) | |
25 | { | |
26 | int i; | |
27 | ||
28 | for (i = 0; i < ETH_ALEN ; i++) { | |
29 | int temp; | |
30 | char *cp = strchr(arg, ':'); | |
31 | if (cp) { | |
32 | *cp = 0; | |
33 | cp++; | |
34 | } | |
35 | if (sscanf(arg, "%x", &temp) != 1) | |
36 | return -1; | |
37 | if (temp < 0 || temp > 255) | |
38 | return -1; | |
39 | ||
40 | mac_addr[i] = temp; | |
41 | if (!cp) | |
42 | break; | |
43 | arg = cp; | |
44 | } | |
45 | if (i < ETH_ALEN - 1) | |
46 | return -1; | |
47 | ||
48 | return 0; | |
49 | } | |
541ef425 | 50 | |
3ff24563 JB |
51 | int parse_hex_mask(char *hexmask, unsigned char **result, size_t *result_len, |
52 | unsigned char **mask) | |
236d4191 | 53 | { |
3ff24563 JB |
54 | size_t len = strlen(hexmask) / 2; |
55 | unsigned char *result_val; | |
56 | unsigned char *result_mask = NULL; | |
57 | ||
236d4191 JB |
58 | int pos = 0; |
59 | ||
3ff24563 | 60 | *result_len = 0; |
236d4191 | 61 | |
3ff24563 JB |
62 | result_val = calloc(len + 2, 1); |
63 | if (!result_val) | |
64 | goto error; | |
65 | *result = result_val; | |
66 | if (mask) { | |
67 | result_mask = calloc(DIV_ROUND_UP(len, 8) + 2, 1); | |
68 | if (!result_mask) | |
69 | goto error; | |
70 | *mask = result_mask; | |
71 | } | |
236d4191 JB |
72 | |
73 | while (1) { | |
3ff24563 | 74 | char *cp = strchr(hexmask, ':'); |
236d4191 JB |
75 | if (cp) { |
76 | *cp = 0; | |
77 | cp++; | |
78 | } | |
236d4191 | 79 | |
3ff24563 JB |
80 | if (result_mask && (strcmp(hexmask, "-") == 0 || |
81 | strcmp(hexmask, "xx") == 0 || | |
82 | strcmp(hexmask, "--") == 0)) { | |
83 | /* skip this byte and leave mask bit unset */ | |
84 | } else { | |
85 | int temp, mask_pos; | |
86 | char *end; | |
87 | ||
88 | temp = strtoul(hexmask, &end, 16); | |
89 | if (*end) | |
90 | goto error; | |
91 | if (temp < 0 || temp > 255) | |
92 | goto error; | |
93 | result_val[pos] = temp; | |
94 | ||
95 | mask_pos = pos / 8; | |
96 | if (result_mask) | |
97 | result_mask[mask_pos] |= 1 << (pos % 8); | |
98 | } | |
99 | ||
100 | (*result_len)++; | |
101 | pos++; | |
236d4191 | 102 | |
236d4191 JB |
103 | if (!cp) |
104 | break; | |
3ff24563 | 105 | hexmask = cp; |
236d4191 JB |
106 | } |
107 | ||
3ff24563 | 108 | return 0; |
236d4191 | 109 | error: |
3ff24563 JB |
110 | free(result_val); |
111 | free(result_mask); | |
112 | return -1; | |
113 | } | |
114 | ||
115 | unsigned char *parse_hex(char *hex, size_t *outlen) | |
116 | { | |
117 | unsigned char *result; | |
118 | ||
119 | if (parse_hex_mask(hex, &result, outlen, NULL)) | |
120 | return NULL; | |
121 | return result; | |
236d4191 JB |
122 | } |
123 | ||
541ef425 JB |
124 | static const char *ifmodes[NL80211_IFTYPE_MAX + 1] = { |
125 | "unspecified", | |
126 | "IBSS", | |
34e78ed0 | 127 | "managed", |
541ef425 | 128 | "AP", |
34e78ed0 | 129 | "AP/VLAN", |
541ef425 | 130 | "WDS", |
34e78ed0 | 131 | "monitor", |
a4464243 JB |
132 | "mesh point", |
133 | "P2P-client", | |
134 | "P2P-GO", | |
add40bbd | 135 | "P2P-device", |
541ef425 JB |
136 | }; |
137 | ||
138 | static char modebuf[100]; | |
139 | ||
140 | const char *iftype_name(enum nl80211_iftype iftype) | |
141 | { | |
a66b3a35 | 142 | if (iftype <= NL80211_IFTYPE_MAX && ifmodes[iftype]) |
541ef425 JB |
143 | return ifmodes[iftype]; |
144 | sprintf(modebuf, "Unknown mode (%d)", iftype); | |
145 | return modebuf; | |
146 | } | |
379f8397 | 147 | |
9990c1e9 | 148 | static const char *commands[NL80211_CMD_MAX + 1] = { |
02aef469 JB |
149 | /* |
150 | * sed 's/^\tNL80211_CMD_//;t n;d;:n s%^\([^=]*\),.*%\t[NL80211_CMD_\1] = \"\L\1\",%;t;d' nl80211.h | |
151 | */ | |
152 | [NL80211_CMD_UNSPEC] = "unspec", | |
06339499 JB |
153 | [NL80211_CMD_GET_WIPHY] = "get_wiphy", |
154 | [NL80211_CMD_SET_WIPHY] = "set_wiphy", | |
155 | [NL80211_CMD_NEW_WIPHY] = "new_wiphy", | |
156 | [NL80211_CMD_DEL_WIPHY] = "del_wiphy", | |
157 | [NL80211_CMD_GET_INTERFACE] = "get_interface", | |
158 | [NL80211_CMD_SET_INTERFACE] = "set_interface", | |
159 | [NL80211_CMD_NEW_INTERFACE] = "new_interface", | |
160 | [NL80211_CMD_DEL_INTERFACE] = "del_interface", | |
161 | [NL80211_CMD_GET_KEY] = "get_key", | |
162 | [NL80211_CMD_SET_KEY] = "set_key", | |
163 | [NL80211_CMD_NEW_KEY] = "new_key", | |
164 | [NL80211_CMD_DEL_KEY] = "del_key", | |
165 | [NL80211_CMD_GET_BEACON] = "get_beacon", | |
166 | [NL80211_CMD_SET_BEACON] = "set_beacon", | |
02aef469 JB |
167 | [NL80211_CMD_START_AP] = "start_ap", |
168 | [NL80211_CMD_STOP_AP] = "stop_ap", | |
06339499 JB |
169 | [NL80211_CMD_GET_STATION] = "get_station", |
170 | [NL80211_CMD_SET_STATION] = "set_station", | |
171 | [NL80211_CMD_NEW_STATION] = "new_station", | |
172 | [NL80211_CMD_DEL_STATION] = "del_station", | |
173 | [NL80211_CMD_GET_MPATH] = "get_mpath", | |
174 | [NL80211_CMD_SET_MPATH] = "set_mpath", | |
175 | [NL80211_CMD_NEW_MPATH] = "new_mpath", | |
176 | [NL80211_CMD_DEL_MPATH] = "del_mpath", | |
177 | [NL80211_CMD_SET_BSS] = "set_bss", | |
178 | [NL80211_CMD_SET_REG] = "set_reg", | |
02aef469 JB |
179 | [NL80211_CMD_REQ_SET_REG] = "req_set_reg", |
180 | [NL80211_CMD_GET_MESH_CONFIG] = "get_mesh_config", | |
181 | [NL80211_CMD_SET_MESH_CONFIG] = "set_mesh_config", | |
06339499 JB |
182 | [NL80211_CMD_GET_REG] = "get_reg", |
183 | [NL80211_CMD_GET_SCAN] = "get_scan", | |
184 | [NL80211_CMD_TRIGGER_SCAN] = "trigger_scan", | |
185 | [NL80211_CMD_NEW_SCAN_RESULTS] = "new_scan_results", | |
186 | [NL80211_CMD_SCAN_ABORTED] = "scan_aborted", | |
187 | [NL80211_CMD_REG_CHANGE] = "reg_change", | |
188 | [NL80211_CMD_AUTHENTICATE] = "authenticate", | |
189 | [NL80211_CMD_ASSOCIATE] = "associate", | |
190 | [NL80211_CMD_DEAUTHENTICATE] = "deauthenticate", | |
191 | [NL80211_CMD_DISASSOCIATE] = "disassociate", | |
192 | [NL80211_CMD_MICHAEL_MIC_FAILURE] = "michael_mic_failure", | |
193 | [NL80211_CMD_REG_BEACON_HINT] = "reg_beacon_hint", | |
194 | [NL80211_CMD_JOIN_IBSS] = "join_ibss", | |
195 | [NL80211_CMD_LEAVE_IBSS] = "leave_ibss", | |
196 | [NL80211_CMD_TESTMODE] = "testmode", | |
197 | [NL80211_CMD_CONNECT] = "connect", | |
198 | [NL80211_CMD_ROAM] = "roam", | |
199 | [NL80211_CMD_DISCONNECT] = "disconnect", | |
200 | [NL80211_CMD_SET_WIPHY_NETNS] = "set_wiphy_netns", | |
201 | [NL80211_CMD_GET_SURVEY] = "get_survey", | |
02aef469 | 202 | [NL80211_CMD_NEW_SURVEY_RESULTS] = "new_survey_results", |
06339499 JB |
203 | [NL80211_CMD_SET_PMKSA] = "set_pmksa", |
204 | [NL80211_CMD_DEL_PMKSA] = "del_pmksa", | |
205 | [NL80211_CMD_FLUSH_PMKSA] = "flush_pmksa", | |
206 | [NL80211_CMD_REMAIN_ON_CHANNEL] = "remain_on_channel", | |
207 | [NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL] = "cancel_remain_on_channel", | |
208 | [NL80211_CMD_SET_TX_BITRATE_MASK] = "set_tx_bitrate_mask", | |
02aef469 JB |
209 | [NL80211_CMD_REGISTER_FRAME] = "register_frame", |
210 | [NL80211_CMD_FRAME] = "frame", | |
211 | [NL80211_CMD_FRAME_TX_STATUS] = "frame_tx_status", | |
212 | [NL80211_CMD_SET_POWER_SAVE] = "set_power_save", | |
213 | [NL80211_CMD_GET_POWER_SAVE] = "get_power_save", | |
214 | [NL80211_CMD_SET_CQM] = "set_cqm", | |
215 | [NL80211_CMD_NOTIFY_CQM] = "notify_cqm", | |
7b96e9e2 | 216 | [NL80211_CMD_SET_CHANNEL] = "set_channel", |
dcf57038 JB |
217 | [NL80211_CMD_SET_WDS_PEER] = "set_wds_peer", |
218 | [NL80211_CMD_FRAME_WAIT_CANCEL] = "frame_wait_cancel", | |
219 | [NL80211_CMD_JOIN_MESH] = "join_mesh", | |
220 | [NL80211_CMD_LEAVE_MESH] = "leave_mesh", | |
02aef469 JB |
221 | [NL80211_CMD_UNPROT_DEAUTHENTICATE] = "unprot_deauthenticate", |
222 | [NL80211_CMD_UNPROT_DISASSOCIATE] = "unprot_disassociate", | |
223 | [NL80211_CMD_NEW_PEER_CANDIDATE] = "new_peer_candidate", | |
224 | [NL80211_CMD_GET_WOWLAN] = "get_wowlan", | |
225 | [NL80211_CMD_SET_WOWLAN] = "set_wowlan", | |
226 | [NL80211_CMD_START_SCHED_SCAN] = "start_sched_scan", | |
227 | [NL80211_CMD_STOP_SCHED_SCAN] = "stop_sched_scan", | |
228 | [NL80211_CMD_SCHED_SCAN_RESULTS] = "sched_scan_results", | |
229 | [NL80211_CMD_SCHED_SCAN_STOPPED] = "sched_scan_stopped", | |
850ab15d | 230 | [NL80211_CMD_SET_REKEY_OFFLOAD] = "set_rekey_offload", |
02aef469 JB |
231 | [NL80211_CMD_PMKSA_CANDIDATE] = "pmksa_candidate", |
232 | [NL80211_CMD_TDLS_OPER] = "tdls_oper", | |
233 | [NL80211_CMD_TDLS_MGMT] = "tdls_mgmt", | |
234 | [NL80211_CMD_UNEXPECTED_FRAME] = "unexpected_frame", | |
235 | [NL80211_CMD_PROBE_CLIENT] = "probe_client", | |
236 | [NL80211_CMD_REGISTER_BEACONS] = "register_beacons", | |
237 | [NL80211_CMD_UNEXPECTED_4ADDR_FRAME] = "unexpected_4addr_frame", | |
238 | [NL80211_CMD_SET_NOACK_MAP] = "set_noack_map", | |
239 | [NL80211_CMD_CH_SWITCH_NOTIFY] = "ch_switch_notify", | |
65d07957 JB |
240 | [NL80211_CMD_START_P2P_DEVICE] = "start_p2p_device", |
241 | [NL80211_CMD_STOP_P2P_DEVICE] = "stop_p2p_device", | |
242 | [NL80211_CMD_CONN_FAILED] = "conn_failed", | |
240aa0ef JB |
243 | [NL80211_CMD_SET_MCAST_RATE] = "set_mcast_rate", |
244 | [NL80211_CMD_SET_MAC_ACL] = "set_mac_acl", | |
245 | [NL80211_CMD_RADAR_DETECT] = "radar_detect", | |
246 | [NL80211_CMD_GET_PROTOCOL_FEATURES] = "get_protocol_features", | |
247 | [NL80211_CMD_UPDATE_FT_IES] = "update_ft_ies", | |
248 | [NL80211_CMD_FT_EVENT] = "ft_event", | |
249 | [NL80211_CMD_CRIT_PROTOCOL_START] = "crit_protocol_start", | |
250 | [NL80211_CMD_CRIT_PROTOCOL_STOP] = "crit_protocol_stop", | |
0624c45d JB |
251 | [NL80211_CMD_GET_COALESCE] = "get_coalesce", |
252 | [NL80211_CMD_SET_COALESCE] = "set_coalesce", | |
253 | [NL80211_CMD_CHANNEL_SWITCH] = "channel_switch", | |
254 | [NL80211_CMD_VENDOR] = "vendor", | |
9990c1e9 MH |
255 | }; |
256 | ||
257 | static char cmdbuf[100]; | |
258 | ||
259 | const char *command_name(enum nl80211_commands cmd) | |
260 | { | |
73780397 | 261 | if (cmd <= NL80211_CMD_MAX && commands[cmd]) |
9990c1e9 MH |
262 | return commands[cmd]; |
263 | sprintf(cmdbuf, "Unknown command (%d)", cmd); | |
264 | return cmdbuf; | |
265 | } | |
266 | ||
58b46da2 | 267 | int ieee80211_channel_to_frequency(int chan, enum nl80211_band band) |
379f8397 | 268 | { |
58b46da2 BR |
269 | /* see 802.11 17.3.8.3.2 and Annex J |
270 | * there are overlapping channel numbers in 5GHz and 2GHz bands */ | |
271 | if (chan <= 0) | |
272 | return 0; /* not supported */ | |
273 | switch (band) { | |
274 | case NL80211_BAND_2GHZ: | |
275 | if (chan == 14) | |
276 | return 2484; | |
277 | else if (chan < 14) | |
278 | return 2407 + chan * 5; | |
279 | break; | |
280 | case NL80211_BAND_5GHZ: | |
281 | if (chan >= 182 && chan <= 196) | |
282 | return 4000 + chan * 5; | |
283 | else | |
284 | return 5000 + chan * 5; | |
285 | break; | |
286 | case NL80211_BAND_60GHZ: | |
287 | if (chan < 5) | |
288 | return 56160 + chan * 2160; | |
289 | break; | |
290 | default: | |
291 | ; | |
292 | } | |
293 | return 0; /* not supported */ | |
379f8397 JB |
294 | } |
295 | ||
296 | int ieee80211_frequency_to_channel(int freq) | |
297 | { | |
58b46da2 | 298 | /* see 802.11-2007 17.3.8.3.2 and Annex J */ |
379f8397 JB |
299 | if (freq == 2484) |
300 | return 14; | |
58b46da2 | 301 | else if (freq < 2484) |
379f8397 | 302 | return (freq - 2407) / 5; |
58b46da2 BR |
303 | else if (freq >= 4910 && freq <= 4980) |
304 | return (freq - 4000) / 5; | |
305 | else if (freq <= 45000) /* DMG band lower limit */ | |
306 | return (freq - 5000) / 5; | |
307 | else if (freq >= 58320 && freq <= 64800) | |
d56e86bc | 308 | return (freq - 56160) / 2160; |
58b46da2 BR |
309 | else |
310 | return 0; | |
379f8397 | 311 | } |
748f8489 JB |
312 | |
313 | void print_ssid_escaped(const uint8_t len, const uint8_t *data) | |
314 | { | |
315 | int i; | |
316 | ||
317 | for (i = 0; i < len; i++) { | |
3f612733 | 318 | if (isprint(data[i]) && data[i] != ' ' && data[i] != '\\') |
748f8489 | 319 | printf("%c", data[i]); |
3f612733 JB |
320 | else if (data[i] == ' ' && |
321 | (i != 0 && i != len -1)) | |
322 | printf(" "); | |
748f8489 JB |
323 | else |
324 | printf("\\x%.2x", data[i]); | |
325 | } | |
326 | } | |
51e9bd80 JB |
327 | |
328 | static int hex2num(char digit) | |
329 | { | |
330 | if (!isxdigit(digit)) | |
331 | return -1; | |
332 | if (isdigit(digit)) | |
333 | return digit - '0'; | |
334 | return tolower(digit) - 'a' + 10; | |
335 | } | |
336 | ||
337 | static int hex2byte(char *hex) | |
338 | { | |
339 | int d1, d2; | |
340 | ||
341 | d1 = hex2num(hex[0]); | |
342 | if (d1 < 0) | |
343 | return -1; | |
344 | d2 = hex2num(hex[1]); | |
345 | if (d2 < 0) | |
346 | return -1; | |
347 | return (d1 << 4) | d2; | |
348 | } | |
349 | ||
350 | static char *hex2bin(char *hex, char *buf) | |
351 | { | |
352 | char *result = buf; | |
353 | int d; | |
354 | ||
355 | while (hex[0]) { | |
356 | d = hex2byte(hex); | |
357 | if (d < 0) | |
358 | return NULL; | |
359 | buf[0] = d; | |
360 | buf++; | |
361 | hex += 2; | |
362 | } | |
363 | ||
364 | return result; | |
365 | } | |
366 | ||
367 | int parse_keys(struct nl_msg *msg, char **argv, int argc) | |
368 | { | |
369 | struct nlattr *keys; | |
370 | int i = 0; | |
041581ce | 371 | bool have_default = false; |
51e9bd80 JB |
372 | char keybuf[13]; |
373 | ||
374 | if (!argc) | |
375 | return 1; | |
376 | ||
377 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
378 | ||
379 | keys = nla_nest_start(msg, NL80211_ATTR_KEYS); | |
380 | if (!keys) | |
381 | return -ENOBUFS; | |
382 | ||
383 | do { | |
384 | char *arg = *argv; | |
385 | int pos = 0, keylen; | |
386 | struct nlattr *key = nla_nest_start(msg, ++i); | |
387 | char *keydata; | |
388 | ||
389 | if (!key) | |
390 | return -ENOBUFS; | |
391 | ||
392 | if (arg[pos] == 'd') { | |
393 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
394 | pos++; | |
395 | if (arg[pos] == ':') | |
396 | pos++; | |
041581ce | 397 | have_default = true; |
51e9bd80 JB |
398 | } |
399 | ||
400 | if (!isdigit(arg[pos])) | |
401 | goto explain; | |
402 | NLA_PUT_U8(msg, NL80211_KEY_IDX, arg[pos++] - '0'); | |
403 | if (arg[pos++] != ':') | |
404 | goto explain; | |
405 | keydata = arg + pos; | |
406 | switch (strlen(keydata)) { | |
407 | case 10: | |
408 | keydata = hex2bin(keydata, keybuf); | |
409 | case 5: | |
410 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC01); | |
411 | keylen = 5; | |
412 | break; | |
413 | case 26: | |
414 | keydata = hex2bin(keydata, keybuf); | |
415 | case 13: | |
416 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC05); | |
417 | keylen = 13; | |
418 | break; | |
419 | default: | |
420 | goto explain; | |
421 | } | |
422 | ||
423 | if (!keydata) | |
424 | goto explain; | |
425 | ||
426 | NLA_PUT(msg, NL80211_KEY_DATA, keylen, keydata); | |
427 | ||
51e9bd80 JB |
428 | argv++; |
429 | argc--; | |
041581ce JB |
430 | |
431 | /* one key should be TX key */ | |
432 | if (!have_default && !argc) | |
433 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
434 | ||
435 | nla_nest_end(msg, key); | |
51e9bd80 JB |
436 | } while (argc); |
437 | ||
438 | nla_nest_end(msg, keys); | |
439 | ||
440 | return 0; | |
441 | nla_put_failure: | |
442 | return -ENOBUFS; | |
443 | explain: | |
444 | fprintf(stderr, "key must be [d:]index:data where\n" | |
445 | " 'd:' means default (transmit) key\n" | |
446 | " 'index:' is a single digit (0-3)\n" | |
447 | " 'data' must be 5 or 13 ascii chars\n" | |
448 | " or 10 or 26 hex digits\n" | |
449 | "for example: d:2:6162636465 is the same as d:2:abcde\n"); | |
450 | return 2; | |
451 | } | |
deb3501c | 452 | |
7ddfb679 | 453 | static void print_mcs_index(const __u8 *mcs) |
deb3501c | 454 | { |
9fea9777 | 455 | int mcs_bit, prev_bit = -2, prev_cont = 0; |
04953e90 JB |
456 | |
457 | for (mcs_bit = 0; mcs_bit <= 76; mcs_bit++) { | |
458 | unsigned int mcs_octet = mcs_bit/8; | |
459 | unsigned int MCS_RATE_BIT = 1 << mcs_bit % 8; | |
460 | bool mcs_rate_idx_set; | |
461 | ||
462 | mcs_rate_idx_set = !!(mcs[mcs_octet] & MCS_RATE_BIT); | |
463 | ||
464 | if (!mcs_rate_idx_set) | |
465 | continue; | |
466 | ||
467 | if (prev_bit != mcs_bit - 1) { | |
468 | if (prev_bit != -2) | |
469 | printf("%d, ", prev_bit); | |
470 | else | |
471 | printf(" "); | |
472 | printf("%d", mcs_bit); | |
473 | prev_cont = 0; | |
474 | } else if (!prev_cont) { | |
475 | printf("-"); | |
476 | prev_cont = 1; | |
477 | } | |
478 | ||
479 | prev_bit = mcs_bit; | |
480 | } | |
deb3501c | 481 | |
04953e90 JB |
482 | if (prev_cont) |
483 | printf("%d", prev_bit); | |
484 | printf("\n"); | |
deb3501c | 485 | } |
0950993f LR |
486 | |
487 | /* | |
488 | * There are only 4 possible values, we just use a case instead of computing it, | |
489 | * but technically this can also be computed through the formula: | |
490 | * | |
491 | * Max AMPDU length = (2 ^ (13 + exponent)) - 1 bytes | |
492 | */ | |
493 | static __u32 compute_ampdu_length(__u8 exponent) | |
494 | { | |
495 | switch (exponent) { | |
496 | case 0: return 8191; /* (2 ^(13 + 0)) -1 */ | |
497 | case 1: return 16383; /* (2 ^(13 + 1)) -1 */ | |
498 | case 2: return 32767; /* (2 ^(13 + 2)) -1 */ | |
499 | case 3: return 65535; /* (2 ^(13 + 3)) -1 */ | |
500 | default: return 0; | |
501 | } | |
502 | } | |
503 | ||
504 | static const char *print_ampdu_space(__u8 space) | |
505 | { | |
506 | switch (space) { | |
507 | case 0: return "No restriction"; | |
508 | case 1: return "1/4 usec"; | |
509 | case 2: return "1/2 usec"; | |
510 | case 3: return "1 usec"; | |
511 | case 4: return "2 usec"; | |
512 | case 5: return "4 usec"; | |
513 | case 6: return "8 usec"; | |
514 | case 7: return "16 usec"; | |
515 | default: | |
7ae93cd5 | 516 | return "BUG (spacing more than 3 bits!)"; |
0950993f LR |
517 | } |
518 | } | |
519 | ||
520 | void print_ampdu_length(__u8 exponent) | |
521 | { | |
04953e90 | 522 | __u32 max_ampdu_length; |
0950993f LR |
523 | |
524 | max_ampdu_length = compute_ampdu_length(exponent); | |
525 | ||
526 | if (max_ampdu_length) { | |
527 | printf("\t\tMaximum RX AMPDU length %d bytes (exponent: 0x0%02x)\n", | |
528 | max_ampdu_length, exponent); | |
3f362f8b | 529 | } else { |
0950993f LR |
530 | printf("\t\tMaximum RX AMPDU length: unrecognized bytes " |
531 | "(exponent: %d)\n", exponent); | |
532 | } | |
533 | } | |
534 | ||
535 | void print_ampdu_spacing(__u8 spacing) | |
536 | { | |
3f362f8b NB |
537 | printf("\t\tMinimum RX AMPDU time spacing: %s (0x%02x)\n", |
538 | print_ampdu_space(spacing), spacing); | |
0950993f | 539 | } |
357c1a5d LR |
540 | |
541 | void print_ht_capability(__u16 cap) | |
542 | { | |
543 | #define PRINT_HT_CAP(_cond, _str) \ | |
544 | do { \ | |
545 | if (_cond) \ | |
546 | printf("\t\t\t" _str "\n"); \ | |
547 | } while (0) | |
548 | ||
549 | printf("\t\tCapabilities: 0x%02x\n", cap); | |
550 | ||
028c0de5 | 551 | PRINT_HT_CAP((cap & BIT(0)), "RX LDPC"); |
357c1a5d LR |
552 | PRINT_HT_CAP((cap & BIT(1)), "HT20/HT40"); |
553 | PRINT_HT_CAP(!(cap & BIT(1)), "HT20"); | |
554 | ||
555 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 0, "Static SM Power Save"); | |
556 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); | |
557 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 3, "SM Power Save disabled"); | |
558 | ||
559 | PRINT_HT_CAP((cap & BIT(4)), "RX Greenfield"); | |
560 | PRINT_HT_CAP((cap & BIT(5)), "RX HT20 SGI"); | |
561 | PRINT_HT_CAP((cap & BIT(6)), "RX HT40 SGI"); | |
562 | PRINT_HT_CAP((cap & BIT(7)), "TX STBC"); | |
563 | ||
564 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 0, "No RX STBC"); | |
565 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); | |
566 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); | |
567 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); | |
568 | ||
569 | PRINT_HT_CAP((cap & BIT(10)), "HT Delayed Block Ack"); | |
570 | ||
c79c7464 CL |
571 | PRINT_HT_CAP(!(cap & BIT(11)), "Max AMSDU length: 3839 bytes"); |
572 | PRINT_HT_CAP((cap & BIT(11)), "Max AMSDU length: 7935 bytes"); | |
357c1a5d LR |
573 | |
574 | /* | |
575 | * For beacons and probe response this would mean the BSS | |
576 | * does or does not allow the usage of DSSS/CCK HT40. | |
577 | * Otherwise it means the STA does or does not use | |
578 | * DSSS/CCK HT40. | |
579 | */ | |
580 | PRINT_HT_CAP((cap & BIT(12)), "DSSS/CCK HT40"); | |
581 | PRINT_HT_CAP(!(cap & BIT(12)), "No DSSS/CCK HT40"); | |
582 | ||
583 | /* BIT(13) is reserved */ | |
584 | ||
585 | PRINT_HT_CAP((cap & BIT(14)), "40 MHz Intolerant"); | |
586 | ||
587 | PRINT_HT_CAP((cap & BIT(15)), "L-SIG TXOP protection"); | |
588 | #undef PRINT_HT_CAP | |
589 | } | |
7ddfb679 JB |
590 | |
591 | void print_ht_mcs(const __u8 *mcs) | |
592 | { | |
593 | /* As defined in 7.3.2.57.4 Supported MCS Set field */ | |
594 | unsigned int tx_max_num_spatial_streams, max_rx_supp_data_rate; | |
595 | bool tx_mcs_set_defined, tx_mcs_set_equal, tx_unequal_modulation; | |
596 | ||
012f8bf3 | 597 | max_rx_supp_data_rate = (mcs[10] & ((mcs[11] & 0x3) << 8)); |
7ddfb679 JB |
598 | tx_mcs_set_defined = !!(mcs[12] & (1 << 0)); |
599 | tx_mcs_set_equal = !(mcs[12] & (1 << 1)); | |
600 | tx_max_num_spatial_streams = ((mcs[12] >> 2) & 3) + 1; | |
601 | tx_unequal_modulation = !!(mcs[12] & (1 << 4)); | |
602 | ||
603 | if (max_rx_supp_data_rate) | |
604 | printf("\t\tHT Max RX data rate: %d Mbps\n", max_rx_supp_data_rate); | |
605 | /* XXX: else see 9.6.0e.5.3 how to get this I think */ | |
606 | ||
607 | if (tx_mcs_set_defined) { | |
608 | if (tx_mcs_set_equal) { | |
2a79feb0 | 609 | printf("\t\tHT TX/RX MCS rate indexes supported:"); |
7ddfb679 JB |
610 | print_mcs_index(mcs); |
611 | } else { | |
612 | printf("\t\tHT RX MCS rate indexes supported:"); | |
613 | print_mcs_index(mcs); | |
614 | ||
615 | if (tx_unequal_modulation) | |
616 | printf("\t\tTX unequal modulation supported\n"); | |
617 | else | |
618 | printf("\t\tTX unequal modulation not supported\n"); | |
619 | ||
620 | printf("\t\tHT TX Max spatial streams: %d\n", | |
621 | tx_max_num_spatial_streams); | |
622 | ||
623 | printf("\t\tHT TX MCS rate indexes supported may differ\n"); | |
624 | } | |
625 | } else { | |
626 | printf("\t\tHT RX MCS rate indexes supported:"); | |
627 | print_mcs_index(mcs); | |
089bb35d | 628 | printf("\t\tHT TX MCS rate indexes are undefined\n"); |
7ddfb679 JB |
629 | } |
630 | } | |
54eb1613 JB |
631 | |
632 | void print_vht_info(__u32 capa, const __u8 *mcs) | |
633 | { | |
634 | __u16 tmp; | |
635 | int i; | |
636 | ||
637 | printf("\t\tVHT Capabilities (0x%.8x):\n", capa); | |
638 | ||
639 | #define PRINT_VHT_CAPA(_bit, _str) \ | |
640 | do { \ | |
641 | if (capa & BIT(_bit)) \ | |
642 | printf("\t\t\t" _str "\n"); \ | |
643 | } while (0) | |
644 | ||
645 | printf("\t\t\tMax MPDU length: "); | |
646 | switch (capa & 3) { | |
647 | case 0: printf("3895\n"); break; | |
648 | case 1: printf("7991\n"); break; | |
649 | case 2: printf("11454\n"); break; | |
650 | case 3: printf("(reserved)\n"); | |
651 | } | |
652 | printf("\t\t\tSupported Channel Width: "); | |
653 | switch ((capa >> 2) & 3) { | |
654 | case 0: printf("neither 160 nor 80+80\n"); break; | |
655 | case 1: printf("160 MHz\n"); break; | |
656 | case 2: printf("160 MHz, 80+80 MHz\n"); break; | |
657 | case 3: printf("(reserved)\n"); | |
658 | } | |
659 | PRINT_VHT_CAPA(4, "RX LDPC"); | |
660 | PRINT_VHT_CAPA(5, "short GI (80 MHz)"); | |
661 | PRINT_VHT_CAPA(6, "short GI (160/80+80 MHz)"); | |
662 | PRINT_VHT_CAPA(7, "TX STBC"); | |
663 | /* RX STBC */ | |
664 | PRINT_VHT_CAPA(11, "SU Beamformer"); | |
665 | PRINT_VHT_CAPA(12, "SU Beamformee"); | |
666 | /* compressed steering */ | |
667 | /* # of sounding dimensions */ | |
668 | PRINT_VHT_CAPA(19, "MU Beamformer"); | |
669 | PRINT_VHT_CAPA(20, "MU Beamformee"); | |
670 | PRINT_VHT_CAPA(21, "VHT TXOP PS"); | |
671 | PRINT_VHT_CAPA(22, "+HTC-VHT"); | |
672 | /* max A-MPDU */ | |
673 | /* VHT link adaptation */ | |
674 | PRINT_VHT_CAPA(29, "RX antenna pattern consistency"); | |
675 | PRINT_VHT_CAPA(30, "TX antenna pattern consistency"); | |
676 | ||
677 | printf("\t\tVHT RX MCS set:\n"); | |
678 | tmp = mcs[0] | (mcs[1] << 8); | |
679 | for (i = 1; i <= 8; i++) { | |
680 | printf("\t\t\t%d streams: ", i); | |
681 | switch ((tmp >> ((i-1)*2) ) & 3) { | |
682 | case 0: printf("MCS 0-7\n"); break; | |
683 | case 1: printf("MCS 0-8\n"); break; | |
684 | case 2: printf("MCS 0-9\n"); break; | |
685 | case 3: printf("not supported\n"); break; | |
686 | } | |
687 | } | |
688 | tmp = mcs[2] | (mcs[3] << 8); | |
689 | printf("\t\tVHT RX highest supported: %d Mbps\n", tmp & 0x1fff); | |
690 | ||
691 | printf("\t\tVHT TX MCS set:\n"); | |
692 | tmp = mcs[4] | (mcs[5] << 8); | |
693 | for (i = 1; i <= 8; i++) { | |
694 | printf("\t\t\t%d streams: ", i); | |
695 | switch ((tmp >> ((i-1)*2) ) & 3) { | |
696 | case 0: printf("MCS 0-7\n"); break; | |
697 | case 1: printf("MCS 0-8\n"); break; | |
698 | case 2: printf("MCS 0-9\n"); break; | |
699 | case 3: printf("not supported\n"); break; | |
700 | } | |
701 | } | |
702 | tmp = mcs[6] | (mcs[7] << 8); | |
703 | printf("\t\tVHT TX highest supported: %d Mbps\n", tmp & 0x1fff); | |
704 | } |