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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", |
3955e524 | 136 | "outside context of a BSS", |
541ef425 JB |
137 | }; |
138 | ||
139 | static char modebuf[100]; | |
140 | ||
141 | const char *iftype_name(enum nl80211_iftype iftype) | |
142 | { | |
a66b3a35 | 143 | if (iftype <= NL80211_IFTYPE_MAX && ifmodes[iftype]) |
541ef425 JB |
144 | return ifmodes[iftype]; |
145 | sprintf(modebuf, "Unknown mode (%d)", iftype); | |
146 | return modebuf; | |
147 | } | |
379f8397 | 148 | |
9990c1e9 | 149 | static const char *commands[NL80211_CMD_MAX + 1] = { |
02aef469 JB |
150 | /* |
151 | * sed 's/^\tNL80211_CMD_//;t n;d;:n s%^\([^=]*\),.*%\t[NL80211_CMD_\1] = \"\L\1\",%;t;d' nl80211.h | |
152 | */ | |
153 | [NL80211_CMD_UNSPEC] = "unspec", | |
06339499 JB |
154 | [NL80211_CMD_GET_WIPHY] = "get_wiphy", |
155 | [NL80211_CMD_SET_WIPHY] = "set_wiphy", | |
156 | [NL80211_CMD_NEW_WIPHY] = "new_wiphy", | |
157 | [NL80211_CMD_DEL_WIPHY] = "del_wiphy", | |
158 | [NL80211_CMD_GET_INTERFACE] = "get_interface", | |
159 | [NL80211_CMD_SET_INTERFACE] = "set_interface", | |
160 | [NL80211_CMD_NEW_INTERFACE] = "new_interface", | |
161 | [NL80211_CMD_DEL_INTERFACE] = "del_interface", | |
162 | [NL80211_CMD_GET_KEY] = "get_key", | |
163 | [NL80211_CMD_SET_KEY] = "set_key", | |
164 | [NL80211_CMD_NEW_KEY] = "new_key", | |
165 | [NL80211_CMD_DEL_KEY] = "del_key", | |
166 | [NL80211_CMD_GET_BEACON] = "get_beacon", | |
167 | [NL80211_CMD_SET_BEACON] = "set_beacon", | |
02aef469 JB |
168 | [NL80211_CMD_START_AP] = "start_ap", |
169 | [NL80211_CMD_STOP_AP] = "stop_ap", | |
06339499 JB |
170 | [NL80211_CMD_GET_STATION] = "get_station", |
171 | [NL80211_CMD_SET_STATION] = "set_station", | |
172 | [NL80211_CMD_NEW_STATION] = "new_station", | |
173 | [NL80211_CMD_DEL_STATION] = "del_station", | |
174 | [NL80211_CMD_GET_MPATH] = "get_mpath", | |
175 | [NL80211_CMD_SET_MPATH] = "set_mpath", | |
176 | [NL80211_CMD_NEW_MPATH] = "new_mpath", | |
177 | [NL80211_CMD_DEL_MPATH] = "del_mpath", | |
178 | [NL80211_CMD_SET_BSS] = "set_bss", | |
179 | [NL80211_CMD_SET_REG] = "set_reg", | |
02aef469 JB |
180 | [NL80211_CMD_REQ_SET_REG] = "req_set_reg", |
181 | [NL80211_CMD_GET_MESH_CONFIG] = "get_mesh_config", | |
182 | [NL80211_CMD_SET_MESH_CONFIG] = "set_mesh_config", | |
06339499 JB |
183 | [NL80211_CMD_GET_REG] = "get_reg", |
184 | [NL80211_CMD_GET_SCAN] = "get_scan", | |
185 | [NL80211_CMD_TRIGGER_SCAN] = "trigger_scan", | |
186 | [NL80211_CMD_NEW_SCAN_RESULTS] = "new_scan_results", | |
187 | [NL80211_CMD_SCAN_ABORTED] = "scan_aborted", | |
188 | [NL80211_CMD_REG_CHANGE] = "reg_change", | |
189 | [NL80211_CMD_AUTHENTICATE] = "authenticate", | |
190 | [NL80211_CMD_ASSOCIATE] = "associate", | |
191 | [NL80211_CMD_DEAUTHENTICATE] = "deauthenticate", | |
192 | [NL80211_CMD_DISASSOCIATE] = "disassociate", | |
193 | [NL80211_CMD_MICHAEL_MIC_FAILURE] = "michael_mic_failure", | |
194 | [NL80211_CMD_REG_BEACON_HINT] = "reg_beacon_hint", | |
195 | [NL80211_CMD_JOIN_IBSS] = "join_ibss", | |
196 | [NL80211_CMD_LEAVE_IBSS] = "leave_ibss", | |
197 | [NL80211_CMD_TESTMODE] = "testmode", | |
198 | [NL80211_CMD_CONNECT] = "connect", | |
199 | [NL80211_CMD_ROAM] = "roam", | |
200 | [NL80211_CMD_DISCONNECT] = "disconnect", | |
201 | [NL80211_CMD_SET_WIPHY_NETNS] = "set_wiphy_netns", | |
202 | [NL80211_CMD_GET_SURVEY] = "get_survey", | |
02aef469 | 203 | [NL80211_CMD_NEW_SURVEY_RESULTS] = "new_survey_results", |
06339499 JB |
204 | [NL80211_CMD_SET_PMKSA] = "set_pmksa", |
205 | [NL80211_CMD_DEL_PMKSA] = "del_pmksa", | |
206 | [NL80211_CMD_FLUSH_PMKSA] = "flush_pmksa", | |
207 | [NL80211_CMD_REMAIN_ON_CHANNEL] = "remain_on_channel", | |
208 | [NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL] = "cancel_remain_on_channel", | |
209 | [NL80211_CMD_SET_TX_BITRATE_MASK] = "set_tx_bitrate_mask", | |
02aef469 JB |
210 | [NL80211_CMD_REGISTER_FRAME] = "register_frame", |
211 | [NL80211_CMD_FRAME] = "frame", | |
212 | [NL80211_CMD_FRAME_TX_STATUS] = "frame_tx_status", | |
213 | [NL80211_CMD_SET_POWER_SAVE] = "set_power_save", | |
214 | [NL80211_CMD_GET_POWER_SAVE] = "get_power_save", | |
215 | [NL80211_CMD_SET_CQM] = "set_cqm", | |
216 | [NL80211_CMD_NOTIFY_CQM] = "notify_cqm", | |
7b96e9e2 | 217 | [NL80211_CMD_SET_CHANNEL] = "set_channel", |
dcf57038 JB |
218 | [NL80211_CMD_SET_WDS_PEER] = "set_wds_peer", |
219 | [NL80211_CMD_FRAME_WAIT_CANCEL] = "frame_wait_cancel", | |
220 | [NL80211_CMD_JOIN_MESH] = "join_mesh", | |
221 | [NL80211_CMD_LEAVE_MESH] = "leave_mesh", | |
02aef469 JB |
222 | [NL80211_CMD_UNPROT_DEAUTHENTICATE] = "unprot_deauthenticate", |
223 | [NL80211_CMD_UNPROT_DISASSOCIATE] = "unprot_disassociate", | |
224 | [NL80211_CMD_NEW_PEER_CANDIDATE] = "new_peer_candidate", | |
225 | [NL80211_CMD_GET_WOWLAN] = "get_wowlan", | |
226 | [NL80211_CMD_SET_WOWLAN] = "set_wowlan", | |
227 | [NL80211_CMD_START_SCHED_SCAN] = "start_sched_scan", | |
228 | [NL80211_CMD_STOP_SCHED_SCAN] = "stop_sched_scan", | |
229 | [NL80211_CMD_SCHED_SCAN_RESULTS] = "sched_scan_results", | |
230 | [NL80211_CMD_SCHED_SCAN_STOPPED] = "sched_scan_stopped", | |
850ab15d | 231 | [NL80211_CMD_SET_REKEY_OFFLOAD] = "set_rekey_offload", |
02aef469 JB |
232 | [NL80211_CMD_PMKSA_CANDIDATE] = "pmksa_candidate", |
233 | [NL80211_CMD_TDLS_OPER] = "tdls_oper", | |
234 | [NL80211_CMD_TDLS_MGMT] = "tdls_mgmt", | |
235 | [NL80211_CMD_UNEXPECTED_FRAME] = "unexpected_frame", | |
236 | [NL80211_CMD_PROBE_CLIENT] = "probe_client", | |
237 | [NL80211_CMD_REGISTER_BEACONS] = "register_beacons", | |
238 | [NL80211_CMD_UNEXPECTED_4ADDR_FRAME] = "unexpected_4addr_frame", | |
239 | [NL80211_CMD_SET_NOACK_MAP] = "set_noack_map", | |
240 | [NL80211_CMD_CH_SWITCH_NOTIFY] = "ch_switch_notify", | |
65d07957 JB |
241 | [NL80211_CMD_START_P2P_DEVICE] = "start_p2p_device", |
242 | [NL80211_CMD_STOP_P2P_DEVICE] = "stop_p2p_device", | |
243 | [NL80211_CMD_CONN_FAILED] = "conn_failed", | |
240aa0ef JB |
244 | [NL80211_CMD_SET_MCAST_RATE] = "set_mcast_rate", |
245 | [NL80211_CMD_SET_MAC_ACL] = "set_mac_acl", | |
246 | [NL80211_CMD_RADAR_DETECT] = "radar_detect", | |
247 | [NL80211_CMD_GET_PROTOCOL_FEATURES] = "get_protocol_features", | |
248 | [NL80211_CMD_UPDATE_FT_IES] = "update_ft_ies", | |
249 | [NL80211_CMD_FT_EVENT] = "ft_event", | |
250 | [NL80211_CMD_CRIT_PROTOCOL_START] = "crit_protocol_start", | |
251 | [NL80211_CMD_CRIT_PROTOCOL_STOP] = "crit_protocol_stop", | |
0624c45d JB |
252 | [NL80211_CMD_GET_COALESCE] = "get_coalesce", |
253 | [NL80211_CMD_SET_COALESCE] = "set_coalesce", | |
254 | [NL80211_CMD_CHANNEL_SWITCH] = "channel_switch", | |
255 | [NL80211_CMD_VENDOR] = "vendor", | |
b8820d2b JB |
256 | [NL80211_CMD_SET_QOS_MAP] = "set_qos_map", |
257 | [NL80211_CMD_ADD_TX_TS] = "add_tx_ts", | |
258 | [NL80211_CMD_DEL_TX_TS] = "del_tx_ts", | |
259 | [NL80211_CMD_GET_MPP] = "get_mpp", | |
260 | [NL80211_CMD_JOIN_OCB] = "join_ocb", | |
261 | [NL80211_CMD_LEAVE_OCB] = "leave_ocb", | |
262 | [NL80211_CMD_CH_SWITCH_STARTED_NOTIFY] = "ch_switch_started_notify", | |
8823f67b JB |
263 | [NL80211_CMD_TDLS_CHANNEL_SWITCH] = "tdls_channel_switch", |
264 | [NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH] = "tdls_cancel_channel_switch", | |
265 | [NL80211_CMD_WIPHY_REG_CHANGE] = "wiphy_reg_change", | |
9990c1e9 MH |
266 | }; |
267 | ||
268 | static char cmdbuf[100]; | |
269 | ||
270 | const char *command_name(enum nl80211_commands cmd) | |
271 | { | |
73780397 | 272 | if (cmd <= NL80211_CMD_MAX && commands[cmd]) |
9990c1e9 MH |
273 | return commands[cmd]; |
274 | sprintf(cmdbuf, "Unknown command (%d)", cmd); | |
275 | return cmdbuf; | |
276 | } | |
277 | ||
58b46da2 | 278 | int ieee80211_channel_to_frequency(int chan, enum nl80211_band band) |
379f8397 | 279 | { |
58b46da2 BR |
280 | /* see 802.11 17.3.8.3.2 and Annex J |
281 | * there are overlapping channel numbers in 5GHz and 2GHz bands */ | |
282 | if (chan <= 0) | |
283 | return 0; /* not supported */ | |
284 | switch (band) { | |
285 | case NL80211_BAND_2GHZ: | |
286 | if (chan == 14) | |
287 | return 2484; | |
288 | else if (chan < 14) | |
289 | return 2407 + chan * 5; | |
290 | break; | |
291 | case NL80211_BAND_5GHZ: | |
292 | if (chan >= 182 && chan <= 196) | |
293 | return 4000 + chan * 5; | |
294 | else | |
295 | return 5000 + chan * 5; | |
296 | break; | |
297 | case NL80211_BAND_60GHZ: | |
298 | if (chan < 5) | |
299 | return 56160 + chan * 2160; | |
300 | break; | |
301 | default: | |
302 | ; | |
303 | } | |
304 | return 0; /* not supported */ | |
379f8397 JB |
305 | } |
306 | ||
307 | int ieee80211_frequency_to_channel(int freq) | |
308 | { | |
58b46da2 | 309 | /* see 802.11-2007 17.3.8.3.2 and Annex J */ |
379f8397 JB |
310 | if (freq == 2484) |
311 | return 14; | |
58b46da2 | 312 | else if (freq < 2484) |
379f8397 | 313 | return (freq - 2407) / 5; |
58b46da2 BR |
314 | else if (freq >= 4910 && freq <= 4980) |
315 | return (freq - 4000) / 5; | |
316 | else if (freq <= 45000) /* DMG band lower limit */ | |
317 | return (freq - 5000) / 5; | |
318 | else if (freq >= 58320 && freq <= 64800) | |
d56e86bc | 319 | return (freq - 56160) / 2160; |
58b46da2 BR |
320 | else |
321 | return 0; | |
379f8397 | 322 | } |
748f8489 JB |
323 | |
324 | void print_ssid_escaped(const uint8_t len, const uint8_t *data) | |
325 | { | |
326 | int i; | |
327 | ||
328 | for (i = 0; i < len; i++) { | |
3f612733 | 329 | if (isprint(data[i]) && data[i] != ' ' && data[i] != '\\') |
748f8489 | 330 | printf("%c", data[i]); |
3f612733 JB |
331 | else if (data[i] == ' ' && |
332 | (i != 0 && i != len -1)) | |
333 | printf(" "); | |
748f8489 JB |
334 | else |
335 | printf("\\x%.2x", data[i]); | |
336 | } | |
337 | } | |
51e9bd80 JB |
338 | |
339 | static int hex2num(char digit) | |
340 | { | |
341 | if (!isxdigit(digit)) | |
342 | return -1; | |
343 | if (isdigit(digit)) | |
344 | return digit - '0'; | |
345 | return tolower(digit) - 'a' + 10; | |
346 | } | |
347 | ||
348 | static int hex2byte(char *hex) | |
349 | { | |
350 | int d1, d2; | |
351 | ||
352 | d1 = hex2num(hex[0]); | |
353 | if (d1 < 0) | |
354 | return -1; | |
355 | d2 = hex2num(hex[1]); | |
356 | if (d2 < 0) | |
357 | return -1; | |
358 | return (d1 << 4) | d2; | |
359 | } | |
360 | ||
361 | static char *hex2bin(char *hex, char *buf) | |
362 | { | |
363 | char *result = buf; | |
364 | int d; | |
365 | ||
366 | while (hex[0]) { | |
367 | d = hex2byte(hex); | |
368 | if (d < 0) | |
369 | return NULL; | |
370 | buf[0] = d; | |
371 | buf++; | |
372 | hex += 2; | |
373 | } | |
374 | ||
375 | return result; | |
376 | } | |
377 | ||
378 | int parse_keys(struct nl_msg *msg, char **argv, int argc) | |
379 | { | |
380 | struct nlattr *keys; | |
381 | int i = 0; | |
041581ce | 382 | bool have_default = false; |
51e9bd80 JB |
383 | char keybuf[13]; |
384 | ||
385 | if (!argc) | |
386 | return 1; | |
387 | ||
388 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
389 | ||
390 | keys = nla_nest_start(msg, NL80211_ATTR_KEYS); | |
391 | if (!keys) | |
392 | return -ENOBUFS; | |
393 | ||
394 | do { | |
395 | char *arg = *argv; | |
396 | int pos = 0, keylen; | |
397 | struct nlattr *key = nla_nest_start(msg, ++i); | |
398 | char *keydata; | |
399 | ||
400 | if (!key) | |
401 | return -ENOBUFS; | |
402 | ||
403 | if (arg[pos] == 'd') { | |
404 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
405 | pos++; | |
406 | if (arg[pos] == ':') | |
407 | pos++; | |
041581ce | 408 | have_default = true; |
51e9bd80 JB |
409 | } |
410 | ||
411 | if (!isdigit(arg[pos])) | |
412 | goto explain; | |
413 | NLA_PUT_U8(msg, NL80211_KEY_IDX, arg[pos++] - '0'); | |
414 | if (arg[pos++] != ':') | |
415 | goto explain; | |
416 | keydata = arg + pos; | |
417 | switch (strlen(keydata)) { | |
418 | case 10: | |
419 | keydata = hex2bin(keydata, keybuf); | |
420 | case 5: | |
421 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC01); | |
422 | keylen = 5; | |
423 | break; | |
424 | case 26: | |
425 | keydata = hex2bin(keydata, keybuf); | |
426 | case 13: | |
427 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC05); | |
428 | keylen = 13; | |
429 | break; | |
430 | default: | |
431 | goto explain; | |
432 | } | |
433 | ||
434 | if (!keydata) | |
435 | goto explain; | |
436 | ||
437 | NLA_PUT(msg, NL80211_KEY_DATA, keylen, keydata); | |
438 | ||
51e9bd80 JB |
439 | argv++; |
440 | argc--; | |
041581ce JB |
441 | |
442 | /* one key should be TX key */ | |
443 | if (!have_default && !argc) | |
444 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
445 | ||
446 | nla_nest_end(msg, key); | |
51e9bd80 JB |
447 | } while (argc); |
448 | ||
449 | nla_nest_end(msg, keys); | |
450 | ||
451 | return 0; | |
452 | nla_put_failure: | |
453 | return -ENOBUFS; | |
454 | explain: | |
455 | fprintf(stderr, "key must be [d:]index:data where\n" | |
456 | " 'd:' means default (transmit) key\n" | |
457 | " 'index:' is a single digit (0-3)\n" | |
458 | " 'data' must be 5 or 13 ascii chars\n" | |
459 | " or 10 or 26 hex digits\n" | |
460 | "for example: d:2:6162636465 is the same as d:2:abcde\n"); | |
461 | return 2; | |
462 | } | |
deb3501c | 463 | |
7ddfb679 | 464 | static void print_mcs_index(const __u8 *mcs) |
deb3501c | 465 | { |
9fea9777 | 466 | int mcs_bit, prev_bit = -2, prev_cont = 0; |
04953e90 JB |
467 | |
468 | for (mcs_bit = 0; mcs_bit <= 76; mcs_bit++) { | |
469 | unsigned int mcs_octet = mcs_bit/8; | |
470 | unsigned int MCS_RATE_BIT = 1 << mcs_bit % 8; | |
471 | bool mcs_rate_idx_set; | |
472 | ||
473 | mcs_rate_idx_set = !!(mcs[mcs_octet] & MCS_RATE_BIT); | |
474 | ||
475 | if (!mcs_rate_idx_set) | |
476 | continue; | |
477 | ||
478 | if (prev_bit != mcs_bit - 1) { | |
479 | if (prev_bit != -2) | |
480 | printf("%d, ", prev_bit); | |
481 | else | |
482 | printf(" "); | |
483 | printf("%d", mcs_bit); | |
484 | prev_cont = 0; | |
485 | } else if (!prev_cont) { | |
486 | printf("-"); | |
487 | prev_cont = 1; | |
488 | } | |
489 | ||
490 | prev_bit = mcs_bit; | |
491 | } | |
deb3501c | 492 | |
04953e90 JB |
493 | if (prev_cont) |
494 | printf("%d", prev_bit); | |
495 | printf("\n"); | |
deb3501c | 496 | } |
0950993f LR |
497 | |
498 | /* | |
499 | * There are only 4 possible values, we just use a case instead of computing it, | |
500 | * but technically this can also be computed through the formula: | |
501 | * | |
502 | * Max AMPDU length = (2 ^ (13 + exponent)) - 1 bytes | |
503 | */ | |
504 | static __u32 compute_ampdu_length(__u8 exponent) | |
505 | { | |
506 | switch (exponent) { | |
507 | case 0: return 8191; /* (2 ^(13 + 0)) -1 */ | |
508 | case 1: return 16383; /* (2 ^(13 + 1)) -1 */ | |
509 | case 2: return 32767; /* (2 ^(13 + 2)) -1 */ | |
510 | case 3: return 65535; /* (2 ^(13 + 3)) -1 */ | |
511 | default: return 0; | |
512 | } | |
513 | } | |
514 | ||
515 | static const char *print_ampdu_space(__u8 space) | |
516 | { | |
517 | switch (space) { | |
518 | case 0: return "No restriction"; | |
519 | case 1: return "1/4 usec"; | |
520 | case 2: return "1/2 usec"; | |
521 | case 3: return "1 usec"; | |
522 | case 4: return "2 usec"; | |
523 | case 5: return "4 usec"; | |
524 | case 6: return "8 usec"; | |
525 | case 7: return "16 usec"; | |
526 | default: | |
7ae93cd5 | 527 | return "BUG (spacing more than 3 bits!)"; |
0950993f LR |
528 | } |
529 | } | |
530 | ||
531 | void print_ampdu_length(__u8 exponent) | |
532 | { | |
04953e90 | 533 | __u32 max_ampdu_length; |
0950993f LR |
534 | |
535 | max_ampdu_length = compute_ampdu_length(exponent); | |
536 | ||
537 | if (max_ampdu_length) { | |
538 | printf("\t\tMaximum RX AMPDU length %d bytes (exponent: 0x0%02x)\n", | |
539 | max_ampdu_length, exponent); | |
3f362f8b | 540 | } else { |
0950993f LR |
541 | printf("\t\tMaximum RX AMPDU length: unrecognized bytes " |
542 | "(exponent: %d)\n", exponent); | |
543 | } | |
544 | } | |
545 | ||
546 | void print_ampdu_spacing(__u8 spacing) | |
547 | { | |
3f362f8b NB |
548 | printf("\t\tMinimum RX AMPDU time spacing: %s (0x%02x)\n", |
549 | print_ampdu_space(spacing), spacing); | |
0950993f | 550 | } |
357c1a5d LR |
551 | |
552 | void print_ht_capability(__u16 cap) | |
553 | { | |
554 | #define PRINT_HT_CAP(_cond, _str) \ | |
555 | do { \ | |
556 | if (_cond) \ | |
557 | printf("\t\t\t" _str "\n"); \ | |
558 | } while (0) | |
559 | ||
560 | printf("\t\tCapabilities: 0x%02x\n", cap); | |
561 | ||
028c0de5 | 562 | PRINT_HT_CAP((cap & BIT(0)), "RX LDPC"); |
357c1a5d LR |
563 | PRINT_HT_CAP((cap & BIT(1)), "HT20/HT40"); |
564 | PRINT_HT_CAP(!(cap & BIT(1)), "HT20"); | |
565 | ||
566 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 0, "Static SM Power Save"); | |
567 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); | |
568 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 3, "SM Power Save disabled"); | |
569 | ||
570 | PRINT_HT_CAP((cap & BIT(4)), "RX Greenfield"); | |
571 | PRINT_HT_CAP((cap & BIT(5)), "RX HT20 SGI"); | |
572 | PRINT_HT_CAP((cap & BIT(6)), "RX HT40 SGI"); | |
573 | PRINT_HT_CAP((cap & BIT(7)), "TX STBC"); | |
574 | ||
575 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 0, "No RX STBC"); | |
576 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); | |
577 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); | |
578 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); | |
579 | ||
580 | PRINT_HT_CAP((cap & BIT(10)), "HT Delayed Block Ack"); | |
581 | ||
c79c7464 CL |
582 | PRINT_HT_CAP(!(cap & BIT(11)), "Max AMSDU length: 3839 bytes"); |
583 | PRINT_HT_CAP((cap & BIT(11)), "Max AMSDU length: 7935 bytes"); | |
357c1a5d LR |
584 | |
585 | /* | |
586 | * For beacons and probe response this would mean the BSS | |
587 | * does or does not allow the usage of DSSS/CCK HT40. | |
588 | * Otherwise it means the STA does or does not use | |
589 | * DSSS/CCK HT40. | |
590 | */ | |
591 | PRINT_HT_CAP((cap & BIT(12)), "DSSS/CCK HT40"); | |
592 | PRINT_HT_CAP(!(cap & BIT(12)), "No DSSS/CCK HT40"); | |
593 | ||
594 | /* BIT(13) is reserved */ | |
595 | ||
596 | PRINT_HT_CAP((cap & BIT(14)), "40 MHz Intolerant"); | |
597 | ||
598 | PRINT_HT_CAP((cap & BIT(15)), "L-SIG TXOP protection"); | |
599 | #undef PRINT_HT_CAP | |
600 | } | |
7ddfb679 JB |
601 | |
602 | void print_ht_mcs(const __u8 *mcs) | |
603 | { | |
604 | /* As defined in 7.3.2.57.4 Supported MCS Set field */ | |
605 | unsigned int tx_max_num_spatial_streams, max_rx_supp_data_rate; | |
606 | bool tx_mcs_set_defined, tx_mcs_set_equal, tx_unequal_modulation; | |
607 | ||
5ba6a62b | 608 | max_rx_supp_data_rate = (mcs[10] | ((mcs[11] & 0x3) << 8)); |
7ddfb679 JB |
609 | tx_mcs_set_defined = !!(mcs[12] & (1 << 0)); |
610 | tx_mcs_set_equal = !(mcs[12] & (1 << 1)); | |
611 | tx_max_num_spatial_streams = ((mcs[12] >> 2) & 3) + 1; | |
612 | tx_unequal_modulation = !!(mcs[12] & (1 << 4)); | |
613 | ||
614 | if (max_rx_supp_data_rate) | |
615 | printf("\t\tHT Max RX data rate: %d Mbps\n", max_rx_supp_data_rate); | |
616 | /* XXX: else see 9.6.0e.5.3 how to get this I think */ | |
617 | ||
618 | if (tx_mcs_set_defined) { | |
619 | if (tx_mcs_set_equal) { | |
2a79feb0 | 620 | printf("\t\tHT TX/RX MCS rate indexes supported:"); |
7ddfb679 JB |
621 | print_mcs_index(mcs); |
622 | } else { | |
623 | printf("\t\tHT RX MCS rate indexes supported:"); | |
624 | print_mcs_index(mcs); | |
625 | ||
626 | if (tx_unequal_modulation) | |
627 | printf("\t\tTX unequal modulation supported\n"); | |
628 | else | |
629 | printf("\t\tTX unequal modulation not supported\n"); | |
630 | ||
631 | printf("\t\tHT TX Max spatial streams: %d\n", | |
632 | tx_max_num_spatial_streams); | |
633 | ||
634 | printf("\t\tHT TX MCS rate indexes supported may differ\n"); | |
635 | } | |
636 | } else { | |
637 | printf("\t\tHT RX MCS rate indexes supported:"); | |
638 | print_mcs_index(mcs); | |
089bb35d | 639 | printf("\t\tHT TX MCS rate indexes are undefined\n"); |
7ddfb679 JB |
640 | } |
641 | } | |
54eb1613 JB |
642 | |
643 | void print_vht_info(__u32 capa, const __u8 *mcs) | |
644 | { | |
645 | __u16 tmp; | |
646 | int i; | |
647 | ||
648 | printf("\t\tVHT Capabilities (0x%.8x):\n", capa); | |
649 | ||
650 | #define PRINT_VHT_CAPA(_bit, _str) \ | |
651 | do { \ | |
652 | if (capa & BIT(_bit)) \ | |
653 | printf("\t\t\t" _str "\n"); \ | |
654 | } while (0) | |
655 | ||
656 | printf("\t\t\tMax MPDU length: "); | |
657 | switch (capa & 3) { | |
658 | case 0: printf("3895\n"); break; | |
659 | case 1: printf("7991\n"); break; | |
660 | case 2: printf("11454\n"); break; | |
661 | case 3: printf("(reserved)\n"); | |
662 | } | |
663 | printf("\t\t\tSupported Channel Width: "); | |
664 | switch ((capa >> 2) & 3) { | |
665 | case 0: printf("neither 160 nor 80+80\n"); break; | |
666 | case 1: printf("160 MHz\n"); break; | |
667 | case 2: printf("160 MHz, 80+80 MHz\n"); break; | |
668 | case 3: printf("(reserved)\n"); | |
669 | } | |
670 | PRINT_VHT_CAPA(4, "RX LDPC"); | |
671 | PRINT_VHT_CAPA(5, "short GI (80 MHz)"); | |
672 | PRINT_VHT_CAPA(6, "short GI (160/80+80 MHz)"); | |
673 | PRINT_VHT_CAPA(7, "TX STBC"); | |
674 | /* RX STBC */ | |
675 | PRINT_VHT_CAPA(11, "SU Beamformer"); | |
676 | PRINT_VHT_CAPA(12, "SU Beamformee"); | |
677 | /* compressed steering */ | |
678 | /* # of sounding dimensions */ | |
679 | PRINT_VHT_CAPA(19, "MU Beamformer"); | |
680 | PRINT_VHT_CAPA(20, "MU Beamformee"); | |
681 | PRINT_VHT_CAPA(21, "VHT TXOP PS"); | |
682 | PRINT_VHT_CAPA(22, "+HTC-VHT"); | |
683 | /* max A-MPDU */ | |
684 | /* VHT link adaptation */ | |
75271051 MB |
685 | PRINT_VHT_CAPA(28, "RX antenna pattern consistency"); |
686 | PRINT_VHT_CAPA(29, "TX antenna pattern consistency"); | |
54eb1613 JB |
687 | |
688 | printf("\t\tVHT RX MCS set:\n"); | |
689 | tmp = mcs[0] | (mcs[1] << 8); | |
690 | for (i = 1; i <= 8; i++) { | |
691 | printf("\t\t\t%d streams: ", i); | |
692 | switch ((tmp >> ((i-1)*2) ) & 3) { | |
693 | case 0: printf("MCS 0-7\n"); break; | |
694 | case 1: printf("MCS 0-8\n"); break; | |
695 | case 2: printf("MCS 0-9\n"); break; | |
696 | case 3: printf("not supported\n"); break; | |
697 | } | |
698 | } | |
699 | tmp = mcs[2] | (mcs[3] << 8); | |
700 | printf("\t\tVHT RX highest supported: %d Mbps\n", tmp & 0x1fff); | |
701 | ||
702 | printf("\t\tVHT TX MCS set:\n"); | |
703 | tmp = mcs[4] | (mcs[5] << 8); | |
704 | for (i = 1; i <= 8; i++) { | |
705 | printf("\t\t\t%d streams: ", i); | |
706 | switch ((tmp >> ((i-1)*2) ) & 3) { | |
707 | case 0: printf("MCS 0-7\n"); break; | |
708 | case 1: printf("MCS 0-8\n"); break; | |
709 | case 2: printf("MCS 0-9\n"); break; | |
710 | case 3: printf("not supported\n"); break; | |
711 | } | |
712 | } | |
713 | tmp = mcs[6] | (mcs[7] << 8); | |
714 | printf("\t\tVHT TX highest supported: %d Mbps\n", tmp & 0x1fff); | |
715 | } | |
492354de JD |
716 | |
717 | void iw_hexdump(const char *prefix, const __u8 *buf, size_t size) | |
718 | { | |
719 | int i; | |
720 | ||
721 | printf("%s: ", prefix); | |
722 | for (i = 0; i < size; i++) { | |
723 | if (i && i % 16 == 0) | |
724 | printf("\n%s: ", prefix); | |
725 | printf("%02x ", buf[i]); | |
726 | } | |
727 | printf("\n\n"); | |
728 | } |