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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", |
ed9b77ec | 137 | "NAN", |
541ef425 JB |
138 | }; |
139 | ||
140 | static char modebuf[100]; | |
141 | ||
142 | const char *iftype_name(enum nl80211_iftype iftype) | |
143 | { | |
a66b3a35 | 144 | if (iftype <= NL80211_IFTYPE_MAX && ifmodes[iftype]) |
541ef425 JB |
145 | return ifmodes[iftype]; |
146 | sprintf(modebuf, "Unknown mode (%d)", iftype); | |
147 | return modebuf; | |
148 | } | |
379f8397 | 149 | |
9990c1e9 | 150 | static const char *commands[NL80211_CMD_MAX + 1] = { |
02aef469 | 151 | /* |
f45d4583 | 152 | * sed 's%^\tNL80211_CMD_%%;t n;d;:n s%^\([^=]*\),.*%\t[NL80211_CMD_\1] = \"\L\1\",%;t;d' nl80211.h | grep -v "reserved" |
02aef469 JB |
153 | */ |
154 | [NL80211_CMD_UNSPEC] = "unspec", | |
06339499 JB |
155 | [NL80211_CMD_GET_WIPHY] = "get_wiphy", |
156 | [NL80211_CMD_SET_WIPHY] = "set_wiphy", | |
157 | [NL80211_CMD_NEW_WIPHY] = "new_wiphy", | |
158 | [NL80211_CMD_DEL_WIPHY] = "del_wiphy", | |
159 | [NL80211_CMD_GET_INTERFACE] = "get_interface", | |
160 | [NL80211_CMD_SET_INTERFACE] = "set_interface", | |
161 | [NL80211_CMD_NEW_INTERFACE] = "new_interface", | |
162 | [NL80211_CMD_DEL_INTERFACE] = "del_interface", | |
163 | [NL80211_CMD_GET_KEY] = "get_key", | |
164 | [NL80211_CMD_SET_KEY] = "set_key", | |
165 | [NL80211_CMD_NEW_KEY] = "new_key", | |
166 | [NL80211_CMD_DEL_KEY] = "del_key", | |
167 | [NL80211_CMD_GET_BEACON] = "get_beacon", | |
168 | [NL80211_CMD_SET_BEACON] = "set_beacon", | |
02aef469 JB |
169 | [NL80211_CMD_START_AP] = "start_ap", |
170 | [NL80211_CMD_STOP_AP] = "stop_ap", | |
06339499 JB |
171 | [NL80211_CMD_GET_STATION] = "get_station", |
172 | [NL80211_CMD_SET_STATION] = "set_station", | |
173 | [NL80211_CMD_NEW_STATION] = "new_station", | |
174 | [NL80211_CMD_DEL_STATION] = "del_station", | |
175 | [NL80211_CMD_GET_MPATH] = "get_mpath", | |
176 | [NL80211_CMD_SET_MPATH] = "set_mpath", | |
177 | [NL80211_CMD_NEW_MPATH] = "new_mpath", | |
178 | [NL80211_CMD_DEL_MPATH] = "del_mpath", | |
179 | [NL80211_CMD_SET_BSS] = "set_bss", | |
180 | [NL80211_CMD_SET_REG] = "set_reg", | |
02aef469 JB |
181 | [NL80211_CMD_REQ_SET_REG] = "req_set_reg", |
182 | [NL80211_CMD_GET_MESH_CONFIG] = "get_mesh_config", | |
183 | [NL80211_CMD_SET_MESH_CONFIG] = "set_mesh_config", | |
06339499 JB |
184 | [NL80211_CMD_GET_REG] = "get_reg", |
185 | [NL80211_CMD_GET_SCAN] = "get_scan", | |
186 | [NL80211_CMD_TRIGGER_SCAN] = "trigger_scan", | |
187 | [NL80211_CMD_NEW_SCAN_RESULTS] = "new_scan_results", | |
188 | [NL80211_CMD_SCAN_ABORTED] = "scan_aborted", | |
189 | [NL80211_CMD_REG_CHANGE] = "reg_change", | |
190 | [NL80211_CMD_AUTHENTICATE] = "authenticate", | |
191 | [NL80211_CMD_ASSOCIATE] = "associate", | |
192 | [NL80211_CMD_DEAUTHENTICATE] = "deauthenticate", | |
193 | [NL80211_CMD_DISASSOCIATE] = "disassociate", | |
194 | [NL80211_CMD_MICHAEL_MIC_FAILURE] = "michael_mic_failure", | |
195 | [NL80211_CMD_REG_BEACON_HINT] = "reg_beacon_hint", | |
196 | [NL80211_CMD_JOIN_IBSS] = "join_ibss", | |
197 | [NL80211_CMD_LEAVE_IBSS] = "leave_ibss", | |
198 | [NL80211_CMD_TESTMODE] = "testmode", | |
199 | [NL80211_CMD_CONNECT] = "connect", | |
200 | [NL80211_CMD_ROAM] = "roam", | |
201 | [NL80211_CMD_DISCONNECT] = "disconnect", | |
202 | [NL80211_CMD_SET_WIPHY_NETNS] = "set_wiphy_netns", | |
203 | [NL80211_CMD_GET_SURVEY] = "get_survey", | |
02aef469 | 204 | [NL80211_CMD_NEW_SURVEY_RESULTS] = "new_survey_results", |
06339499 JB |
205 | [NL80211_CMD_SET_PMKSA] = "set_pmksa", |
206 | [NL80211_CMD_DEL_PMKSA] = "del_pmksa", | |
207 | [NL80211_CMD_FLUSH_PMKSA] = "flush_pmksa", | |
208 | [NL80211_CMD_REMAIN_ON_CHANNEL] = "remain_on_channel", | |
209 | [NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL] = "cancel_remain_on_channel", | |
210 | [NL80211_CMD_SET_TX_BITRATE_MASK] = "set_tx_bitrate_mask", | |
02aef469 JB |
211 | [NL80211_CMD_REGISTER_FRAME] = "register_frame", |
212 | [NL80211_CMD_FRAME] = "frame", | |
213 | [NL80211_CMD_FRAME_TX_STATUS] = "frame_tx_status", | |
214 | [NL80211_CMD_SET_POWER_SAVE] = "set_power_save", | |
215 | [NL80211_CMD_GET_POWER_SAVE] = "get_power_save", | |
216 | [NL80211_CMD_SET_CQM] = "set_cqm", | |
217 | [NL80211_CMD_NOTIFY_CQM] = "notify_cqm", | |
7b96e9e2 | 218 | [NL80211_CMD_SET_CHANNEL] = "set_channel", |
dcf57038 JB |
219 | [NL80211_CMD_SET_WDS_PEER] = "set_wds_peer", |
220 | [NL80211_CMD_FRAME_WAIT_CANCEL] = "frame_wait_cancel", | |
221 | [NL80211_CMD_JOIN_MESH] = "join_mesh", | |
222 | [NL80211_CMD_LEAVE_MESH] = "leave_mesh", | |
02aef469 JB |
223 | [NL80211_CMD_UNPROT_DEAUTHENTICATE] = "unprot_deauthenticate", |
224 | [NL80211_CMD_UNPROT_DISASSOCIATE] = "unprot_disassociate", | |
225 | [NL80211_CMD_NEW_PEER_CANDIDATE] = "new_peer_candidate", | |
226 | [NL80211_CMD_GET_WOWLAN] = "get_wowlan", | |
227 | [NL80211_CMD_SET_WOWLAN] = "set_wowlan", | |
228 | [NL80211_CMD_START_SCHED_SCAN] = "start_sched_scan", | |
229 | [NL80211_CMD_STOP_SCHED_SCAN] = "stop_sched_scan", | |
230 | [NL80211_CMD_SCHED_SCAN_RESULTS] = "sched_scan_results", | |
231 | [NL80211_CMD_SCHED_SCAN_STOPPED] = "sched_scan_stopped", | |
850ab15d | 232 | [NL80211_CMD_SET_REKEY_OFFLOAD] = "set_rekey_offload", |
02aef469 JB |
233 | [NL80211_CMD_PMKSA_CANDIDATE] = "pmksa_candidate", |
234 | [NL80211_CMD_TDLS_OPER] = "tdls_oper", | |
235 | [NL80211_CMD_TDLS_MGMT] = "tdls_mgmt", | |
236 | [NL80211_CMD_UNEXPECTED_FRAME] = "unexpected_frame", | |
237 | [NL80211_CMD_PROBE_CLIENT] = "probe_client", | |
238 | [NL80211_CMD_REGISTER_BEACONS] = "register_beacons", | |
239 | [NL80211_CMD_UNEXPECTED_4ADDR_FRAME] = "unexpected_4addr_frame", | |
240 | [NL80211_CMD_SET_NOACK_MAP] = "set_noack_map", | |
241 | [NL80211_CMD_CH_SWITCH_NOTIFY] = "ch_switch_notify", | |
65d07957 JB |
242 | [NL80211_CMD_START_P2P_DEVICE] = "start_p2p_device", |
243 | [NL80211_CMD_STOP_P2P_DEVICE] = "stop_p2p_device", | |
244 | [NL80211_CMD_CONN_FAILED] = "conn_failed", | |
240aa0ef JB |
245 | [NL80211_CMD_SET_MCAST_RATE] = "set_mcast_rate", |
246 | [NL80211_CMD_SET_MAC_ACL] = "set_mac_acl", | |
247 | [NL80211_CMD_RADAR_DETECT] = "radar_detect", | |
248 | [NL80211_CMD_GET_PROTOCOL_FEATURES] = "get_protocol_features", | |
249 | [NL80211_CMD_UPDATE_FT_IES] = "update_ft_ies", | |
250 | [NL80211_CMD_FT_EVENT] = "ft_event", | |
251 | [NL80211_CMD_CRIT_PROTOCOL_START] = "crit_protocol_start", | |
252 | [NL80211_CMD_CRIT_PROTOCOL_STOP] = "crit_protocol_stop", | |
0624c45d JB |
253 | [NL80211_CMD_GET_COALESCE] = "get_coalesce", |
254 | [NL80211_CMD_SET_COALESCE] = "set_coalesce", | |
255 | [NL80211_CMD_CHANNEL_SWITCH] = "channel_switch", | |
256 | [NL80211_CMD_VENDOR] = "vendor", | |
b8820d2b JB |
257 | [NL80211_CMD_SET_QOS_MAP] = "set_qos_map", |
258 | [NL80211_CMD_ADD_TX_TS] = "add_tx_ts", | |
259 | [NL80211_CMD_DEL_TX_TS] = "del_tx_ts", | |
260 | [NL80211_CMD_GET_MPP] = "get_mpp", | |
261 | [NL80211_CMD_JOIN_OCB] = "join_ocb", | |
262 | [NL80211_CMD_LEAVE_OCB] = "leave_ocb", | |
263 | [NL80211_CMD_CH_SWITCH_STARTED_NOTIFY] = "ch_switch_started_notify", | |
8823f67b JB |
264 | [NL80211_CMD_TDLS_CHANNEL_SWITCH] = "tdls_channel_switch", |
265 | [NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH] = "tdls_cancel_channel_switch", | |
266 | [NL80211_CMD_WIPHY_REG_CHANGE] = "wiphy_reg_change", | |
478438c0 | 267 | [NL80211_CMD_ABORT_SCAN] = "abort_scan", |
2781d641 JB |
268 | [NL80211_CMD_START_NAN] = "start_nan", |
269 | [NL80211_CMD_STOP_NAN] = "stop_nan", | |
270 | [NL80211_CMD_ADD_NAN_FUNCTION] = "add_nan_function", | |
271 | [NL80211_CMD_DEL_NAN_FUNCTION] = "del_nan_function", | |
272 | [NL80211_CMD_CHANGE_NAN_CONFIG] = "change_nan_config", | |
273 | [NL80211_CMD_NAN_MATCH] = "nan_match", | |
9990c1e9 MH |
274 | }; |
275 | ||
276 | static char cmdbuf[100]; | |
277 | ||
278 | const char *command_name(enum nl80211_commands cmd) | |
279 | { | |
73780397 | 280 | if (cmd <= NL80211_CMD_MAX && commands[cmd]) |
9990c1e9 MH |
281 | return commands[cmd]; |
282 | sprintf(cmdbuf, "Unknown command (%d)", cmd); | |
283 | return cmdbuf; | |
284 | } | |
285 | ||
58b46da2 | 286 | int ieee80211_channel_to_frequency(int chan, enum nl80211_band band) |
379f8397 | 287 | { |
58b46da2 BR |
288 | /* see 802.11 17.3.8.3.2 and Annex J |
289 | * there are overlapping channel numbers in 5GHz and 2GHz bands */ | |
290 | if (chan <= 0) | |
291 | return 0; /* not supported */ | |
292 | switch (band) { | |
293 | case NL80211_BAND_2GHZ: | |
294 | if (chan == 14) | |
295 | return 2484; | |
296 | else if (chan < 14) | |
297 | return 2407 + chan * 5; | |
298 | break; | |
299 | case NL80211_BAND_5GHZ: | |
300 | if (chan >= 182 && chan <= 196) | |
301 | return 4000 + chan * 5; | |
302 | else | |
303 | return 5000 + chan * 5; | |
304 | break; | |
305 | case NL80211_BAND_60GHZ: | |
306 | if (chan < 5) | |
307 | return 56160 + chan * 2160; | |
308 | break; | |
309 | default: | |
310 | ; | |
311 | } | |
312 | return 0; /* not supported */ | |
379f8397 JB |
313 | } |
314 | ||
315 | int ieee80211_frequency_to_channel(int freq) | |
316 | { | |
58b46da2 | 317 | /* see 802.11-2007 17.3.8.3.2 and Annex J */ |
379f8397 JB |
318 | if (freq == 2484) |
319 | return 14; | |
58b46da2 | 320 | else if (freq < 2484) |
379f8397 | 321 | return (freq - 2407) / 5; |
58b46da2 BR |
322 | else if (freq >= 4910 && freq <= 4980) |
323 | return (freq - 4000) / 5; | |
324 | else if (freq <= 45000) /* DMG band lower limit */ | |
325 | return (freq - 5000) / 5; | |
326 | else if (freq >= 58320 && freq <= 64800) | |
d56e86bc | 327 | return (freq - 56160) / 2160; |
58b46da2 BR |
328 | else |
329 | return 0; | |
379f8397 | 330 | } |
748f8489 JB |
331 | |
332 | void print_ssid_escaped(const uint8_t len, const uint8_t *data) | |
333 | { | |
334 | int i; | |
335 | ||
336 | for (i = 0; i < len; i++) { | |
3f612733 | 337 | if (isprint(data[i]) && data[i] != ' ' && data[i] != '\\') |
748f8489 | 338 | printf("%c", data[i]); |
3f612733 JB |
339 | else if (data[i] == ' ' && |
340 | (i != 0 && i != len -1)) | |
341 | printf(" "); | |
748f8489 JB |
342 | else |
343 | printf("\\x%.2x", data[i]); | |
344 | } | |
345 | } | |
51e9bd80 JB |
346 | |
347 | static int hex2num(char digit) | |
348 | { | |
349 | if (!isxdigit(digit)) | |
350 | return -1; | |
351 | if (isdigit(digit)) | |
352 | return digit - '0'; | |
353 | return tolower(digit) - 'a' + 10; | |
354 | } | |
355 | ||
9ad3cc24 | 356 | static int hex2byte(const char *hex) |
51e9bd80 JB |
357 | { |
358 | int d1, d2; | |
359 | ||
360 | d1 = hex2num(hex[0]); | |
361 | if (d1 < 0) | |
362 | return -1; | |
363 | d2 = hex2num(hex[1]); | |
364 | if (d2 < 0) | |
365 | return -1; | |
366 | return (d1 << 4) | d2; | |
367 | } | |
368 | ||
9ad3cc24 | 369 | static char *hex2bin(const char *hex, char *buf) |
51e9bd80 JB |
370 | { |
371 | char *result = buf; | |
372 | int d; | |
373 | ||
374 | while (hex[0]) { | |
375 | d = hex2byte(hex); | |
376 | if (d < 0) | |
377 | return NULL; | |
378 | buf[0] = d; | |
379 | buf++; | |
380 | hex += 2; | |
381 | } | |
382 | ||
383 | return result; | |
384 | } | |
385 | ||
386 | int parse_keys(struct nl_msg *msg, char **argv, int argc) | |
387 | { | |
388 | struct nlattr *keys; | |
389 | int i = 0; | |
041581ce | 390 | bool have_default = false; |
51e9bd80 JB |
391 | char keybuf[13]; |
392 | ||
393 | if (!argc) | |
394 | return 1; | |
395 | ||
396 | NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); | |
397 | ||
398 | keys = nla_nest_start(msg, NL80211_ATTR_KEYS); | |
399 | if (!keys) | |
400 | return -ENOBUFS; | |
401 | ||
402 | do { | |
403 | char *arg = *argv; | |
404 | int pos = 0, keylen; | |
405 | struct nlattr *key = nla_nest_start(msg, ++i); | |
406 | char *keydata; | |
407 | ||
408 | if (!key) | |
409 | return -ENOBUFS; | |
410 | ||
411 | if (arg[pos] == 'd') { | |
412 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
413 | pos++; | |
414 | if (arg[pos] == ':') | |
415 | pos++; | |
041581ce | 416 | have_default = true; |
51e9bd80 JB |
417 | } |
418 | ||
419 | if (!isdigit(arg[pos])) | |
420 | goto explain; | |
421 | NLA_PUT_U8(msg, NL80211_KEY_IDX, arg[pos++] - '0'); | |
422 | if (arg[pos++] != ':') | |
423 | goto explain; | |
424 | keydata = arg + pos; | |
425 | switch (strlen(keydata)) { | |
426 | case 10: | |
427 | keydata = hex2bin(keydata, keybuf); | |
428 | case 5: | |
429 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC01); | |
430 | keylen = 5; | |
431 | break; | |
432 | case 26: | |
433 | keydata = hex2bin(keydata, keybuf); | |
434 | case 13: | |
435 | NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC05); | |
436 | keylen = 13; | |
437 | break; | |
438 | default: | |
439 | goto explain; | |
440 | } | |
441 | ||
442 | if (!keydata) | |
443 | goto explain; | |
444 | ||
445 | NLA_PUT(msg, NL80211_KEY_DATA, keylen, keydata); | |
446 | ||
51e9bd80 JB |
447 | argv++; |
448 | argc--; | |
041581ce JB |
449 | |
450 | /* one key should be TX key */ | |
451 | if (!have_default && !argc) | |
452 | NLA_PUT_FLAG(msg, NL80211_KEY_DEFAULT); | |
453 | ||
454 | nla_nest_end(msg, key); | |
51e9bd80 JB |
455 | } while (argc); |
456 | ||
457 | nla_nest_end(msg, keys); | |
458 | ||
459 | return 0; | |
460 | nla_put_failure: | |
461 | return -ENOBUFS; | |
462 | explain: | |
463 | fprintf(stderr, "key must be [d:]index:data where\n" | |
464 | " 'd:' means default (transmit) key\n" | |
465 | " 'index:' is a single digit (0-3)\n" | |
466 | " 'data' must be 5 or 13 ascii chars\n" | |
467 | " or 10 or 26 hex digits\n" | |
468 | "for example: d:2:6162636465 is the same as d:2:abcde\n"); | |
469 | return 2; | |
470 | } | |
deb3501c | 471 | |
997c60fd BB |
472 | static int parse_freqs(struct chandef *chandef, int argc, char **argv, |
473 | int *parsed) | |
474 | { | |
475 | static const struct { | |
476 | const char *name; | |
477 | unsigned int val; | |
478 | } bwmap[] = { | |
479 | { .name = "5", .val = NL80211_CHAN_WIDTH_5, }, | |
480 | { .name = "10", .val = NL80211_CHAN_WIDTH_10, }, | |
481 | { .name = "20", .val = NL80211_CHAN_WIDTH_20, }, | |
482 | { .name = "40", .val = NL80211_CHAN_WIDTH_40, }, | |
483 | { .name = "80", .val = NL80211_CHAN_WIDTH_80, }, | |
484 | { .name = "80+80", .val = NL80211_CHAN_WIDTH_80P80, }, | |
485 | { .name = "160", .val = NL80211_CHAN_WIDTH_160, }, | |
486 | }; | |
487 | uint32_t freq; | |
488 | unsigned int i, bwval = NL80211_CHAN_WIDTH_20_NOHT; | |
489 | char *end; | |
490 | ||
491 | if (argc < 1) | |
492 | return 0; | |
493 | ||
494 | for (i = 0; i < ARRAY_SIZE(bwmap); i++) { | |
495 | if (strcasecmp(bwmap[i].name, argv[0]) == 0) { | |
496 | bwval = bwmap[i].val; | |
497 | *parsed += 1; | |
498 | break; | |
499 | } | |
500 | } | |
501 | chandef->width = bwval; | |
502 | ||
503 | /* First argument was not understood, give up gracefully. */ | |
504 | if (bwval == NL80211_CHAN_WIDTH_20_NOHT) | |
505 | return 0; | |
506 | ||
507 | if (argc < 2) | |
508 | return 0; | |
509 | ||
510 | /* center freq 1 */ | |
511 | if (!*argv[1]) | |
512 | return 0; | |
513 | freq = strtoul(argv[1], &end, 10); | |
514 | if (*end) | |
515 | return 0; | |
516 | *parsed += 1; | |
517 | ||
518 | chandef->center_freq1 = freq; | |
519 | ||
520 | if (argc < 3) | |
521 | return 0; | |
522 | ||
523 | /* center freq 2 */ | |
524 | if (!*argv[2]) | |
525 | return 0; | |
526 | freq = strtoul(argv[2], &end, 10); | |
527 | if (*end) | |
528 | return 0; | |
529 | chandef->center_freq2 = freq; | |
530 | ||
531 | *parsed += 1; | |
532 | ||
533 | return 0; | |
534 | } | |
535 | ||
536 | ||
537 | /** | |
538 | * parse_freqchan - Parse frequency or channel definition | |
539 | * | |
540 | * @chandef: chandef structure to be filled in | |
541 | * @chan: Boolean whether to parse a channel or frequency based specifier | |
542 | * @argc: Number of arguments | |
543 | * @argv: Array of string arguments | |
544 | * @parsed: Pointer to return the number of used arguments, or NULL to error | |
545 | * out if any argument is left unused. | |
546 | * | |
547 | * The given chandef structure will be filled in from the command line | |
548 | * arguments. argc/argv will be updated so that further arguments from the | |
549 | * command line can be parsed. | |
550 | * | |
551 | * Note that no integer argument may follow a frequency definition to allow the | |
552 | * user to skip the center frequency definition(s). | |
553 | * | |
554 | * The working specifier if chan is set are: | |
555 | * <channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz] | |
556 | * | |
557 | * And if frequency is set: | |
558 | * <freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz] | |
559 | * <control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]] | |
560 | * | |
561 | * If the mode/channel width is not given the NOHT is assumed. | |
562 | * | |
563 | * Return: Number of used arguments, zero or negative error number otherwise | |
564 | */ | |
565 | int parse_freqchan(struct chandef *chandef, bool chan, int argc, char **argv, | |
566 | int *parsed) | |
567 | { | |
568 | char *end; | |
569 | static const struct chanmode chanmode[] = { | |
570 | { .name = "HT20", | |
571 | .width = NL80211_CHAN_WIDTH_20, | |
572 | .freq1_diff = 0, | |
573 | .chantype = NL80211_CHAN_HT20 }, | |
574 | { .name = "HT40+", | |
575 | .width = NL80211_CHAN_WIDTH_40, | |
576 | .freq1_diff = 10, | |
577 | .chantype = NL80211_CHAN_HT40PLUS }, | |
578 | { .name = "HT40-", | |
579 | .width = NL80211_CHAN_WIDTH_40, | |
580 | .freq1_diff = -10, | |
581 | .chantype = NL80211_CHAN_HT40MINUS }, | |
582 | { .name = "NOHT", | |
583 | .width = NL80211_CHAN_WIDTH_20_NOHT, | |
584 | .freq1_diff = 0, | |
585 | .chantype = NL80211_CHAN_NO_HT }, | |
586 | { .name = "5MHz", | |
587 | .width = NL80211_CHAN_WIDTH_5, | |
588 | .freq1_diff = 0, | |
589 | .chantype = -1 }, | |
590 | { .name = "10MHz", | |
591 | .width = NL80211_CHAN_WIDTH_10, | |
592 | .freq1_diff = 0, | |
593 | .chantype = -1 }, | |
594 | { .name = "80MHz", | |
595 | .width = NL80211_CHAN_WIDTH_80, | |
596 | .freq1_diff = 0, | |
597 | .chantype = -1 }, | |
598 | }; | |
599 | const struct chanmode *chanmode_selected = NULL; | |
600 | unsigned int freq; | |
601 | unsigned int i; | |
602 | int _parsed = 0; | |
603 | int res = 0; | |
604 | ||
605 | if (argc < 1) | |
606 | return 1; | |
607 | ||
608 | if (!argv[0]) | |
609 | goto out; | |
610 | freq = strtoul(argv[0], &end, 10); | |
611 | if (*end) { | |
612 | res = 1; | |
613 | goto out; | |
614 | } | |
615 | ||
616 | _parsed += 1; | |
617 | ||
618 | memset(chandef, 0, sizeof(struct chandef)); | |
619 | ||
620 | if (chan) { | |
621 | enum nl80211_band band; | |
622 | ||
623 | band = freq <= 14 ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; | |
624 | freq = ieee80211_channel_to_frequency(freq, band); | |
625 | } | |
626 | chandef->control_freq = freq; | |
627 | /* Assume 20MHz NOHT channel for now. */ | |
628 | chandef->center_freq1 = freq; | |
629 | ||
630 | /* Try to parse HT mode definitions */ | |
631 | if (argc > 1) { | |
632 | for (i = 0; i < ARRAY_SIZE(chanmode); i++) { | |
633 | if (strcasecmp(chanmode[i].name, argv[1]) == 0) { | |
634 | chanmode_selected = &chanmode[i]; | |
635 | _parsed += 1; | |
636 | break; | |
637 | } | |
638 | } | |
639 | } | |
640 | ||
641 | /* channel mode given, use it and return. */ | |
642 | if (chanmode_selected) { | |
643 | chandef->center_freq1 = get_cf1(chanmode_selected, freq); | |
644 | chandef->width = chanmode_selected->width; | |
645 | goto out; | |
646 | } | |
647 | ||
648 | /* This was a only a channel definition, nothing further may follow. */ | |
649 | if (chan) | |
650 | goto out; | |
651 | ||
652 | res = parse_freqs(chandef, argc - 1, argv + 1, &_parsed); | |
653 | ||
654 | out: | |
655 | /* Error out if parsed is NULL. */ | |
656 | if (!parsed && _parsed != argc) | |
657 | return 1; | |
658 | ||
659 | if (parsed) | |
660 | *parsed = _parsed; | |
661 | ||
662 | return res; | |
663 | } | |
664 | ||
665 | int put_chandef(struct nl_msg *msg, struct chandef *chandef) | |
666 | { | |
667 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chandef->control_freq); | |
668 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width); | |
669 | ||
670 | switch (chandef->width) { | |
671 | case NL80211_CHAN_WIDTH_20_NOHT: | |
672 | NLA_PUT_U32(msg, | |
673 | NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
674 | NL80211_CHAN_NO_HT); | |
675 | break; | |
676 | case NL80211_CHAN_WIDTH_20: | |
677 | NLA_PUT_U32(msg, | |
678 | NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
679 | NL80211_CHAN_HT20); | |
680 | break; | |
681 | case NL80211_CHAN_WIDTH_40: | |
682 | if (chandef->control_freq > chandef->center_freq1) | |
683 | NLA_PUT_U32(msg, | |
684 | NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
685 | NL80211_CHAN_HT40MINUS); | |
686 | else | |
687 | NLA_PUT_U32(msg, | |
688 | NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
689 | NL80211_CHAN_HT40PLUS); | |
690 | break; | |
691 | default: | |
692 | break; | |
693 | } | |
694 | ||
695 | if (chandef->center_freq1) | |
696 | NLA_PUT_U32(msg, | |
697 | NL80211_ATTR_CENTER_FREQ1, | |
698 | chandef->center_freq1); | |
699 | ||
700 | if (chandef->center_freq2) | |
701 | NLA_PUT_U32(msg, | |
702 | NL80211_ATTR_CENTER_FREQ2, | |
703 | chandef->center_freq2); | |
704 | ||
705 | return 0; | |
706 | ||
707 | nla_put_failure: | |
708 | return -ENOBUFS; | |
709 | } | |
710 | ||
7ddfb679 | 711 | static void print_mcs_index(const __u8 *mcs) |
deb3501c | 712 | { |
9fea9777 | 713 | int mcs_bit, prev_bit = -2, prev_cont = 0; |
04953e90 JB |
714 | |
715 | for (mcs_bit = 0; mcs_bit <= 76; mcs_bit++) { | |
716 | unsigned int mcs_octet = mcs_bit/8; | |
717 | unsigned int MCS_RATE_BIT = 1 << mcs_bit % 8; | |
718 | bool mcs_rate_idx_set; | |
719 | ||
720 | mcs_rate_idx_set = !!(mcs[mcs_octet] & MCS_RATE_BIT); | |
721 | ||
722 | if (!mcs_rate_idx_set) | |
723 | continue; | |
724 | ||
725 | if (prev_bit != mcs_bit - 1) { | |
726 | if (prev_bit != -2) | |
727 | printf("%d, ", prev_bit); | |
728 | else | |
729 | printf(" "); | |
730 | printf("%d", mcs_bit); | |
731 | prev_cont = 0; | |
732 | } else if (!prev_cont) { | |
733 | printf("-"); | |
734 | prev_cont = 1; | |
735 | } | |
736 | ||
737 | prev_bit = mcs_bit; | |
738 | } | |
deb3501c | 739 | |
04953e90 JB |
740 | if (prev_cont) |
741 | printf("%d", prev_bit); | |
742 | printf("\n"); | |
deb3501c | 743 | } |
0950993f LR |
744 | |
745 | /* | |
746 | * There are only 4 possible values, we just use a case instead of computing it, | |
747 | * but technically this can also be computed through the formula: | |
748 | * | |
749 | * Max AMPDU length = (2 ^ (13 + exponent)) - 1 bytes | |
750 | */ | |
751 | static __u32 compute_ampdu_length(__u8 exponent) | |
752 | { | |
753 | switch (exponent) { | |
754 | case 0: return 8191; /* (2 ^(13 + 0)) -1 */ | |
755 | case 1: return 16383; /* (2 ^(13 + 1)) -1 */ | |
756 | case 2: return 32767; /* (2 ^(13 + 2)) -1 */ | |
757 | case 3: return 65535; /* (2 ^(13 + 3)) -1 */ | |
758 | default: return 0; | |
759 | } | |
760 | } | |
761 | ||
762 | static const char *print_ampdu_space(__u8 space) | |
763 | { | |
764 | switch (space) { | |
765 | case 0: return "No restriction"; | |
766 | case 1: return "1/4 usec"; | |
767 | case 2: return "1/2 usec"; | |
768 | case 3: return "1 usec"; | |
769 | case 4: return "2 usec"; | |
770 | case 5: return "4 usec"; | |
771 | case 6: return "8 usec"; | |
772 | case 7: return "16 usec"; | |
773 | default: | |
7ae93cd5 | 774 | return "BUG (spacing more than 3 bits!)"; |
0950993f LR |
775 | } |
776 | } | |
777 | ||
778 | void print_ampdu_length(__u8 exponent) | |
779 | { | |
04953e90 | 780 | __u32 max_ampdu_length; |
0950993f LR |
781 | |
782 | max_ampdu_length = compute_ampdu_length(exponent); | |
783 | ||
784 | if (max_ampdu_length) { | |
785 | printf("\t\tMaximum RX AMPDU length %d bytes (exponent: 0x0%02x)\n", | |
786 | max_ampdu_length, exponent); | |
3f362f8b | 787 | } else { |
0950993f LR |
788 | printf("\t\tMaximum RX AMPDU length: unrecognized bytes " |
789 | "(exponent: %d)\n", exponent); | |
790 | } | |
791 | } | |
792 | ||
793 | void print_ampdu_spacing(__u8 spacing) | |
794 | { | |
3f362f8b NB |
795 | printf("\t\tMinimum RX AMPDU time spacing: %s (0x%02x)\n", |
796 | print_ampdu_space(spacing), spacing); | |
0950993f | 797 | } |
357c1a5d LR |
798 | |
799 | void print_ht_capability(__u16 cap) | |
800 | { | |
801 | #define PRINT_HT_CAP(_cond, _str) \ | |
802 | do { \ | |
803 | if (_cond) \ | |
804 | printf("\t\t\t" _str "\n"); \ | |
805 | } while (0) | |
806 | ||
807 | printf("\t\tCapabilities: 0x%02x\n", cap); | |
808 | ||
028c0de5 | 809 | PRINT_HT_CAP((cap & BIT(0)), "RX LDPC"); |
357c1a5d LR |
810 | PRINT_HT_CAP((cap & BIT(1)), "HT20/HT40"); |
811 | PRINT_HT_CAP(!(cap & BIT(1)), "HT20"); | |
812 | ||
813 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 0, "Static SM Power Save"); | |
814 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); | |
815 | PRINT_HT_CAP(((cap >> 2) & 0x3) == 3, "SM Power Save disabled"); | |
816 | ||
817 | PRINT_HT_CAP((cap & BIT(4)), "RX Greenfield"); | |
818 | PRINT_HT_CAP((cap & BIT(5)), "RX HT20 SGI"); | |
819 | PRINT_HT_CAP((cap & BIT(6)), "RX HT40 SGI"); | |
820 | PRINT_HT_CAP((cap & BIT(7)), "TX STBC"); | |
821 | ||
822 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 0, "No RX STBC"); | |
823 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); | |
824 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); | |
825 | PRINT_HT_CAP(((cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); | |
826 | ||
827 | PRINT_HT_CAP((cap & BIT(10)), "HT Delayed Block Ack"); | |
828 | ||
c79c7464 CL |
829 | PRINT_HT_CAP(!(cap & BIT(11)), "Max AMSDU length: 3839 bytes"); |
830 | PRINT_HT_CAP((cap & BIT(11)), "Max AMSDU length: 7935 bytes"); | |
357c1a5d LR |
831 | |
832 | /* | |
833 | * For beacons and probe response this would mean the BSS | |
834 | * does or does not allow the usage of DSSS/CCK HT40. | |
835 | * Otherwise it means the STA does or does not use | |
836 | * DSSS/CCK HT40. | |
837 | */ | |
838 | PRINT_HT_CAP((cap & BIT(12)), "DSSS/CCK HT40"); | |
839 | PRINT_HT_CAP(!(cap & BIT(12)), "No DSSS/CCK HT40"); | |
840 | ||
841 | /* BIT(13) is reserved */ | |
842 | ||
843 | PRINT_HT_CAP((cap & BIT(14)), "40 MHz Intolerant"); | |
844 | ||
845 | PRINT_HT_CAP((cap & BIT(15)), "L-SIG TXOP protection"); | |
846 | #undef PRINT_HT_CAP | |
847 | } | |
7ddfb679 JB |
848 | |
849 | void print_ht_mcs(const __u8 *mcs) | |
850 | { | |
851 | /* As defined in 7.3.2.57.4 Supported MCS Set field */ | |
852 | unsigned int tx_max_num_spatial_streams, max_rx_supp_data_rate; | |
853 | bool tx_mcs_set_defined, tx_mcs_set_equal, tx_unequal_modulation; | |
854 | ||
5ba6a62b | 855 | max_rx_supp_data_rate = (mcs[10] | ((mcs[11] & 0x3) << 8)); |
7ddfb679 JB |
856 | tx_mcs_set_defined = !!(mcs[12] & (1 << 0)); |
857 | tx_mcs_set_equal = !(mcs[12] & (1 << 1)); | |
858 | tx_max_num_spatial_streams = ((mcs[12] >> 2) & 3) + 1; | |
859 | tx_unequal_modulation = !!(mcs[12] & (1 << 4)); | |
860 | ||
861 | if (max_rx_supp_data_rate) | |
862 | printf("\t\tHT Max RX data rate: %d Mbps\n", max_rx_supp_data_rate); | |
863 | /* XXX: else see 9.6.0e.5.3 how to get this I think */ | |
864 | ||
865 | if (tx_mcs_set_defined) { | |
866 | if (tx_mcs_set_equal) { | |
2a79feb0 | 867 | printf("\t\tHT TX/RX MCS rate indexes supported:"); |
7ddfb679 JB |
868 | print_mcs_index(mcs); |
869 | } else { | |
870 | printf("\t\tHT RX MCS rate indexes supported:"); | |
871 | print_mcs_index(mcs); | |
872 | ||
873 | if (tx_unequal_modulation) | |
874 | printf("\t\tTX unequal modulation supported\n"); | |
875 | else | |
876 | printf("\t\tTX unequal modulation not supported\n"); | |
877 | ||
878 | printf("\t\tHT TX Max spatial streams: %d\n", | |
879 | tx_max_num_spatial_streams); | |
880 | ||
881 | printf("\t\tHT TX MCS rate indexes supported may differ\n"); | |
882 | } | |
883 | } else { | |
884 | printf("\t\tHT RX MCS rate indexes supported:"); | |
885 | print_mcs_index(mcs); | |
089bb35d | 886 | printf("\t\tHT TX MCS rate indexes are undefined\n"); |
7ddfb679 JB |
887 | } |
888 | } | |
54eb1613 JB |
889 | |
890 | void print_vht_info(__u32 capa, const __u8 *mcs) | |
891 | { | |
892 | __u16 tmp; | |
893 | int i; | |
894 | ||
895 | printf("\t\tVHT Capabilities (0x%.8x):\n", capa); | |
896 | ||
897 | #define PRINT_VHT_CAPA(_bit, _str) \ | |
898 | do { \ | |
899 | if (capa & BIT(_bit)) \ | |
900 | printf("\t\t\t" _str "\n"); \ | |
901 | } while (0) | |
902 | ||
903 | printf("\t\t\tMax MPDU length: "); | |
904 | switch (capa & 3) { | |
905 | case 0: printf("3895\n"); break; | |
906 | case 1: printf("7991\n"); break; | |
907 | case 2: printf("11454\n"); break; | |
908 | case 3: printf("(reserved)\n"); | |
909 | } | |
910 | printf("\t\t\tSupported Channel Width: "); | |
911 | switch ((capa >> 2) & 3) { | |
912 | case 0: printf("neither 160 nor 80+80\n"); break; | |
913 | case 1: printf("160 MHz\n"); break; | |
914 | case 2: printf("160 MHz, 80+80 MHz\n"); break; | |
915 | case 3: printf("(reserved)\n"); | |
916 | } | |
917 | PRINT_VHT_CAPA(4, "RX LDPC"); | |
918 | PRINT_VHT_CAPA(5, "short GI (80 MHz)"); | |
919 | PRINT_VHT_CAPA(6, "short GI (160/80+80 MHz)"); | |
920 | PRINT_VHT_CAPA(7, "TX STBC"); | |
921 | /* RX STBC */ | |
922 | PRINT_VHT_CAPA(11, "SU Beamformer"); | |
923 | PRINT_VHT_CAPA(12, "SU Beamformee"); | |
924 | /* compressed steering */ | |
925 | /* # of sounding dimensions */ | |
926 | PRINT_VHT_CAPA(19, "MU Beamformer"); | |
927 | PRINT_VHT_CAPA(20, "MU Beamformee"); | |
928 | PRINT_VHT_CAPA(21, "VHT TXOP PS"); | |
929 | PRINT_VHT_CAPA(22, "+HTC-VHT"); | |
930 | /* max A-MPDU */ | |
931 | /* VHT link adaptation */ | |
75271051 MB |
932 | PRINT_VHT_CAPA(28, "RX antenna pattern consistency"); |
933 | PRINT_VHT_CAPA(29, "TX antenna pattern consistency"); | |
54eb1613 JB |
934 | |
935 | printf("\t\tVHT RX MCS set:\n"); | |
936 | tmp = mcs[0] | (mcs[1] << 8); | |
937 | for (i = 1; i <= 8; i++) { | |
938 | printf("\t\t\t%d streams: ", i); | |
939 | switch ((tmp >> ((i-1)*2) ) & 3) { | |
940 | case 0: printf("MCS 0-7\n"); break; | |
941 | case 1: printf("MCS 0-8\n"); break; | |
942 | case 2: printf("MCS 0-9\n"); break; | |
943 | case 3: printf("not supported\n"); break; | |
944 | } | |
945 | } | |
946 | tmp = mcs[2] | (mcs[3] << 8); | |
947 | printf("\t\tVHT RX highest supported: %d Mbps\n", tmp & 0x1fff); | |
948 | ||
949 | printf("\t\tVHT TX MCS set:\n"); | |
950 | tmp = mcs[4] | (mcs[5] << 8); | |
951 | for (i = 1; i <= 8; i++) { | |
952 | printf("\t\t\t%d streams: ", i); | |
953 | switch ((tmp >> ((i-1)*2) ) & 3) { | |
954 | case 0: printf("MCS 0-7\n"); break; | |
955 | case 1: printf("MCS 0-8\n"); break; | |
956 | case 2: printf("MCS 0-9\n"); break; | |
957 | case 3: printf("not supported\n"); break; | |
958 | } | |
959 | } | |
960 | tmp = mcs[6] | (mcs[7] << 8); | |
961 | printf("\t\tVHT TX highest supported: %d Mbps\n", tmp & 0x1fff); | |
962 | } | |
492354de JD |
963 | |
964 | void iw_hexdump(const char *prefix, const __u8 *buf, size_t size) | |
965 | { | |
0ee571d5 | 966 | size_t i; |
492354de JD |
967 | |
968 | printf("%s: ", prefix); | |
969 | for (i = 0; i < size; i++) { | |
970 | if (i && i % 16 == 0) | |
971 | printf("\n%s: ", prefix); | |
972 | printf("%02x ", buf[i]); | |
973 | } | |
974 | printf("\n\n"); | |
975 | } | |
c1b2b633 SE |
976 | |
977 | int get_cf1(const struct chanmode *chanmode, unsigned long freq) | |
978 | { | |
979 | unsigned int cf1 = freq, j; | |
980 | unsigned int vht80[] = { 5180, 5260, 5500, 5580, 5660, 5745 }; | |
981 | ||
982 | switch (chanmode->width) { | |
983 | case NL80211_CHAN_WIDTH_80: | |
984 | /* setup center_freq1 */ | |
985 | for (j = 0; j < ARRAY_SIZE(vht80); j++) { | |
986 | if (freq >= vht80[j] && freq < vht80[j] + 80) | |
987 | break; | |
988 | } | |
989 | ||
990 | if (j == ARRAY_SIZE(vht80)) | |
991 | break; | |
992 | ||
993 | cf1 = vht80[j] + 30; | |
994 | break; | |
995 | default: | |
996 | cf1 = freq + chanmode->freq1_diff; | |
997 | break; | |
998 | } | |
999 | ||
1000 | return cf1; | |
1001 | } |