1 /*
2 * Driver interaction with Linux nl80211/cfg80211 - Capabilities
3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
5 * Copyright (c) 2009-2010, Atheros Communications
6 *
7 * This software may be distributed under the terms of the BSD license.
8 * See README for more details.
9 */
10
11 #include "includes.h"
12 #include <netlink/genl/genl.h>
13
14 #include "utils/common.h"
15 #include "common/ieee802_11_common.h"
16 #include "common/wpa_common.h"
17 #include "common/qca-vendor.h"
18 #include "common/qca-vendor-attr.h"
19 #include "common/brcm_vendor.h"
20 #include "driver_nl80211.h"
21
22
protocol_feature_handler(struct nl_msg * msg,void * arg)23 static int protocol_feature_handler(struct nl_msg *msg, void *arg)
24 {
25 u32 *feat = arg;
26 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
27 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
28
29 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
30 genlmsg_attrlen(gnlh, 0), NULL);
31
32 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
33 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
34
35 return NL_SKIP;
36 }
37
38
get_nl80211_protocol_features(struct wpa_driver_nl80211_data * drv)39 static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
40 {
41 u32 feat = 0;
42 struct nl_msg *msg;
43
44 msg = nlmsg_alloc();
45 if (!msg)
46 return 0;
47
48 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) {
49 nlmsg_free(msg);
50 return 0;
51 }
52
53 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat,
54 NULL, NULL) == 0)
55 return feat;
56
57 return 0;
58 }
59
60
61 struct wiphy_info_data {
62 struct wpa_driver_nl80211_data *drv;
63 struct wpa_driver_capa *capa;
64
65 unsigned int num_multichan_concurrent;
66
67 unsigned int error:1;
68 unsigned int device_ap_sme:1;
69 unsigned int poll_command_supported:1;
70 unsigned int data_tx_status:1;
71 unsigned int auth_supported:1;
72 unsigned int connect_supported:1;
73 unsigned int p2p_go_supported:1;
74 unsigned int p2p_client_supported:1;
75 unsigned int p2p_go_ctwindow_supported:1;
76 unsigned int p2p_concurrent:1;
77 unsigned int channel_switch_supported:1;
78 unsigned int set_qos_map_supported:1;
79 unsigned int have_low_prio_scan:1;
80 unsigned int wmm_ac_supported:1;
81 unsigned int mac_addr_rand_scan_supported:1;
82 unsigned int mac_addr_rand_sched_scan_supported:1;
83 unsigned int update_ft_ies_supported:1;
84 unsigned int has_key_mgmt:1;
85 unsigned int has_key_mgmt_iftype:1;
86 };
87
88
probe_resp_offload_support(int supp_protocols)89 static unsigned int probe_resp_offload_support(int supp_protocols)
90 {
91 unsigned int prot = 0;
92
93 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
94 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
95 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
96 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
97 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
98 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
99 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
100 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
101
102 return prot;
103 }
104
105
wiphy_info_supported_iftypes(struct wiphy_info_data * info,struct nlattr * tb)106 static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
107 struct nlattr *tb)
108 {
109 struct nlattr *nl_mode;
110 int i;
111
112 if (tb == NULL)
113 return;
114
115 nla_for_each_nested(nl_mode, tb, i) {
116 switch (nla_type(nl_mode)) {
117 case NL80211_IFTYPE_AP:
118 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
119 break;
120 case NL80211_IFTYPE_MESH_POINT:
121 info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
122 break;
123 case NL80211_IFTYPE_ADHOC:
124 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
125 break;
126 case NL80211_IFTYPE_P2P_DEVICE:
127 info->capa->flags |=
128 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
129 break;
130 case NL80211_IFTYPE_P2P_GO:
131 info->p2p_go_supported = 1;
132 break;
133 case NL80211_IFTYPE_P2P_CLIENT:
134 info->p2p_client_supported = 1;
135 break;
136 }
137 }
138 }
139
140
wiphy_info_iface_comb_process(struct wiphy_info_data * info,struct nlattr * nl_combi)141 static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
142 struct nlattr *nl_combi)
143 {
144 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
145 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
146 struct nlattr *nl_limit, *nl_mode;
147 int err, rem_limit, rem_mode;
148 int combination_has_p2p = 0, combination_has_mgd = 0;
149 static struct nla_policy
150 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
151 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
152 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
153 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
154 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
155 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
156 },
157 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
158 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
159 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
160 };
161
162 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
163 nl_combi, iface_combination_policy);
164 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
165 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
166 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
167 return 0; /* broken combination */
168
169 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
170 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
171
172 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
173 rem_limit) {
174 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
175 nl_limit, iface_limit_policy);
176 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
177 return 0; /* broken combination */
178
179 nla_for_each_nested(nl_mode,
180 tb_limit[NL80211_IFACE_LIMIT_TYPES],
181 rem_mode) {
182 int ift = nla_type(nl_mode);
183 if (ift == NL80211_IFTYPE_P2P_GO ||
184 ift == NL80211_IFTYPE_P2P_CLIENT)
185 combination_has_p2p = 1;
186 if (ift == NL80211_IFTYPE_STATION)
187 combination_has_mgd = 1;
188 }
189 if (combination_has_p2p && combination_has_mgd)
190 break;
191 }
192
193 if (combination_has_p2p && combination_has_mgd) {
194 unsigned int num_channels =
195 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
196
197 info->p2p_concurrent = 1;
198 if (info->num_multichan_concurrent < num_channels)
199 info->num_multichan_concurrent = num_channels;
200 }
201
202 return 0;
203 }
204
205
wiphy_info_iface_comb(struct wiphy_info_data * info,struct nlattr * tb)206 static void wiphy_info_iface_comb(struct wiphy_info_data *info,
207 struct nlattr *tb)
208 {
209 struct nlattr *nl_combi;
210 int rem_combi;
211
212 if (tb == NULL)
213 return;
214
215 nla_for_each_nested(nl_combi, tb, rem_combi) {
216 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
217 break;
218 }
219 }
220
221
wiphy_info_supp_cmds(struct wiphy_info_data * info,struct nlattr * tb)222 static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
223 struct nlattr *tb)
224 {
225 struct nlattr *nl_cmd;
226 int i;
227
228 if (tb == NULL)
229 return;
230
231 nla_for_each_nested(nl_cmd, tb, i) {
232 switch (nla_get_u32(nl_cmd)) {
233 case NL80211_CMD_AUTHENTICATE:
234 info->auth_supported = 1;
235 break;
236 case NL80211_CMD_CONNECT:
237 info->connect_supported = 1;
238 break;
239 case NL80211_CMD_START_SCHED_SCAN:
240 info->capa->sched_scan_supported = 1;
241 break;
242 case NL80211_CMD_PROBE_CLIENT:
243 info->poll_command_supported = 1;
244 break;
245 case NL80211_CMD_CHANNEL_SWITCH:
246 info->channel_switch_supported = 1;
247 break;
248 case NL80211_CMD_SET_QOS_MAP:
249 info->set_qos_map_supported = 1;
250 break;
251 case NL80211_CMD_UPDATE_FT_IES:
252 info->update_ft_ies_supported = 1;
253 break;
254 }
255 }
256 }
257
258
get_akm_suites_info(struct nlattr * tb)259 static unsigned int get_akm_suites_info(struct nlattr *tb)
260 {
261 int i, num;
262 unsigned int key_mgmt = 0;
263 u32 *akms;
264
265 if (!tb)
266 return 0;
267
268 num = nla_len(tb) / sizeof(u32);
269 akms = nla_data(tb);
270 for (i = 0; i < num; i++) {
271 switch (akms[i]) {
272 case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X:
273 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
274 WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
275 break;
276 case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X:
277 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
278 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
279 break;
280 case RSN_AUTH_KEY_MGMT_FT_802_1X:
281 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT;
282 break;
283 case RSN_AUTH_KEY_MGMT_FT_PSK:
284 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
285 break;
286 case RSN_AUTH_KEY_MGMT_802_1X_SHA256:
287 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_802_1X_SHA256;
288 break;
289 case RSN_AUTH_KEY_MGMT_PSK_SHA256:
290 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_PSK_SHA256;
291 break;
292 case RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE:
293 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_TPK_HANDSHAKE;
294 break;
295 case RSN_AUTH_KEY_MGMT_FT_SAE:
296 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_SAE;
297 break;
298 case RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384:
299 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_802_1X_SHA384;
300 break;
301 case RSN_AUTH_KEY_MGMT_CCKM:
302 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_CCKM;
303 break;
304 case RSN_AUTH_KEY_MGMT_OSEN:
305 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OSEN;
306 break;
307 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B:
308 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B;
309 break;
310 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192:
311 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
312 break;
313 case RSN_AUTH_KEY_MGMT_OWE:
314 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE;
315 break;
316 case RSN_AUTH_KEY_MGMT_DPP:
317 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP;
318 break;
319 case RSN_AUTH_KEY_MGMT_FILS_SHA256:
320 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256;
321 break;
322 case RSN_AUTH_KEY_MGMT_FILS_SHA384:
323 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
324 break;
325 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256:
326 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256;
327 break;
328 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384:
329 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384;
330 break;
331 case RSN_AUTH_KEY_MGMT_SAE:
332 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE;
333 break;
334 }
335 }
336
337 return key_mgmt;
338 }
339
340
get_iface_akm_suites_info(struct wiphy_info_data * info,struct nlattr * nl_akms)341 static void get_iface_akm_suites_info(struct wiphy_info_data *info,
342 struct nlattr *nl_akms)
343 {
344 struct nlattr *tb[NL80211_IFTYPE_AKM_ATTR_MAX + 1];
345 struct nlattr *nl_iftype;
346 unsigned int key_mgmt;
347 int i;
348
349 if (!nl_akms)
350 return;
351
352 nla_parse(tb, NL80211_IFTYPE_AKM_ATTR_MAX,
353 nla_data(nl_akms), nla_len(nl_akms), NULL);
354
355 if (!tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES] ||
356 !tb[NL80211_IFTYPE_AKM_ATTR_SUITES])
357 return;
358
359 info->has_key_mgmt_iftype = 1;
360 key_mgmt = get_akm_suites_info(tb[NL80211_IFTYPE_AKM_ATTR_SUITES]);
361
362 nla_for_each_nested(nl_iftype, tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES], i) {
363 switch (nla_type(nl_iftype)) {
364 case NL80211_IFTYPE_ADHOC:
365 info->drv->capa.key_mgmt_iftype[WPA_IF_IBSS] = key_mgmt;
366 break;
367 case NL80211_IFTYPE_STATION:
368 info->drv->capa.key_mgmt_iftype[WPA_IF_STATION] =
369 key_mgmt;
370 break;
371 case NL80211_IFTYPE_AP:
372 info->drv->capa.key_mgmt_iftype[WPA_IF_AP_BSS] =
373 key_mgmt;
374 break;
375 case NL80211_IFTYPE_AP_VLAN:
376 info->drv->capa.key_mgmt_iftype[WPA_IF_AP_VLAN] =
377 key_mgmt;
378 break;
379 case NL80211_IFTYPE_MESH_POINT:
380 info->drv->capa.key_mgmt_iftype[WPA_IF_MESH] = key_mgmt;
381 break;
382 case NL80211_IFTYPE_P2P_CLIENT:
383 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_CLIENT] =
384 key_mgmt;
385 break;
386 case NL80211_IFTYPE_P2P_GO:
387 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_GO] =
388 key_mgmt;
389 break;
390 case NL80211_IFTYPE_P2P_DEVICE:
391 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_DEVICE] =
392 key_mgmt;
393 break;
394 case NL80211_IFTYPE_NAN:
395 info->drv->capa.key_mgmt_iftype[WPA_IF_NAN] = key_mgmt;
396 break;
397 }
398 wpa_printf(MSG_DEBUG, "nl80211: %s supported key_mgmt 0x%x",
399 nl80211_iftype_str(nla_type(nl_iftype)),
400 key_mgmt);
401 }
402 }
403
404
wiphy_info_iftype_akm_suites(struct wiphy_info_data * info,struct nlattr * tb)405 static void wiphy_info_iftype_akm_suites(struct wiphy_info_data *info,
406 struct nlattr *tb)
407 {
408 struct nlattr *nl_if;
409 int rem_if;
410
411 if (!tb)
412 return;
413
414 nla_for_each_nested(nl_if, tb, rem_if)
415 get_iface_akm_suites_info(info, nl_if);
416 }
417
418
wiphy_info_akm_suites(struct wiphy_info_data * info,struct nlattr * tb)419 static void wiphy_info_akm_suites(struct wiphy_info_data *info,
420 struct nlattr *tb)
421 {
422 if (!tb)
423 return;
424
425 info->has_key_mgmt = 1;
426 info->capa->key_mgmt = get_akm_suites_info(tb);
427 wpa_printf(MSG_DEBUG, "nl80211: wiphy supported key_mgmt 0x%x",
428 info->capa->key_mgmt);
429 }
430
431
wiphy_info_cipher_suites(struct wiphy_info_data * info,struct nlattr * tb)432 static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
433 struct nlattr *tb)
434 {
435 int i, num;
436 u32 *ciphers;
437
438 if (tb == NULL)
439 return;
440
441 num = nla_len(tb) / sizeof(u32);
442 ciphers = nla_data(tb);
443 for (i = 0; i < num; i++) {
444 u32 c = ciphers[i];
445
446 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
447 c >> 24, (c >> 16) & 0xff,
448 (c >> 8) & 0xff, c & 0xff);
449 switch (c) {
450 case RSN_CIPHER_SUITE_CCMP_256:
451 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
452 break;
453 case RSN_CIPHER_SUITE_GCMP_256:
454 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
455 break;
456 case RSN_CIPHER_SUITE_CCMP:
457 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
458 break;
459 case RSN_CIPHER_SUITE_GCMP:
460 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
461 break;
462 case RSN_CIPHER_SUITE_TKIP:
463 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
464 break;
465 case RSN_CIPHER_SUITE_WEP104:
466 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
467 break;
468 case RSN_CIPHER_SUITE_WEP40:
469 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
470 break;
471 case RSN_CIPHER_SUITE_AES_128_CMAC:
472 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
473 break;
474 case RSN_CIPHER_SUITE_BIP_GMAC_128:
475 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
476 break;
477 case RSN_CIPHER_SUITE_BIP_GMAC_256:
478 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
479 break;
480 case RSN_CIPHER_SUITE_BIP_CMAC_256:
481 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
482 break;
483 case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED:
484 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
485 break;
486 }
487 }
488 }
489
490
wiphy_info_max_roc(struct wpa_driver_capa * capa,struct nlattr * tb)491 static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
492 struct nlattr *tb)
493 {
494 if (tb)
495 capa->max_remain_on_chan = nla_get_u32(tb);
496 }
497
498
wiphy_info_tdls(struct wpa_driver_capa * capa,struct nlattr * tdls,struct nlattr * ext_setup)499 static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
500 struct nlattr *ext_setup)
501 {
502 if (tdls == NULL)
503 return;
504
505 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
506 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
507
508 if (ext_setup) {
509 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
510 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
511 }
512 }
513
514
ext_feature_isset(const u8 * ext_features,int ext_features_len,enum nl80211_ext_feature_index ftidx)515 static int ext_feature_isset(const u8 *ext_features, int ext_features_len,
516 enum nl80211_ext_feature_index ftidx)
517 {
518 u8 ft_byte;
519
520 if ((int) ftidx / 8 >= ext_features_len)
521 return 0;
522
523 ft_byte = ext_features[ftidx / 8];
524 return (ft_byte & BIT(ftidx % 8)) != 0;
525 }
526
527
wiphy_info_ext_feature_flags(struct wiphy_info_data * info,struct nlattr * tb)528 static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
529 struct nlattr *tb)
530 {
531 struct wpa_driver_capa *capa = info->capa;
532 u8 *ext_features;
533 int len;
534
535 if (tb == NULL)
536 return;
537
538 ext_features = nla_data(tb);
539 len = nla_len(tb);
540
541 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS))
542 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
543
544 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
545 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
546
547 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA))
548 capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS;
549
550 if (ext_feature_isset(ext_features, len,
551 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
552 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY;
553
554 if (ext_feature_isset(ext_features, len,
555 NL80211_EXT_FEATURE_BEACON_RATE_HT))
556 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT;
557
558 if (ext_feature_isset(ext_features, len,
559 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
560 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT;
561
562 if (ext_feature_isset(ext_features, len,
563 NL80211_EXT_FEATURE_BEACON_RATE_HE))
564 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_RATE_HE;
565
566 if (ext_feature_isset(ext_features, len,
567 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
568 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL;
569
570 if (ext_feature_isset(ext_features, len,
571 NL80211_EXT_FEATURE_SCAN_START_TIME) &&
572 ext_feature_isset(ext_features, len,
573 NL80211_EXT_FEATURE_BSS_PARENT_TSF) &&
574 ext_feature_isset(ext_features, len,
575 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
576 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT;
577 if (ext_feature_isset(ext_features, len,
578 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
579 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA;
580 if (ext_feature_isset(ext_features, len,
581 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
582 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED;
583 if (ext_feature_isset(ext_features, len,
584 NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI))
585 capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI;
586 if (ext_feature_isset(ext_features, len,
587 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD))
588 capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD;
589
590 if (ext_feature_isset(ext_features, len,
591 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
592 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK;
593 if (ext_feature_isset(ext_features, len,
594 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
595 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X;
596
597 if (ext_feature_isset(ext_features, len,
598 NL80211_EXT_FEATURE_MFP_OPTIONAL))
599 capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL;
600
601 if (ext_feature_isset(ext_features, len,
602 NL80211_EXT_FEATURE_DFS_OFFLOAD))
603 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
604
605 #ifdef CONFIG_MBO
606 if (ext_feature_isset(ext_features, len,
607 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) &&
608 ext_feature_isset(ext_features, len,
609 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) &&
610 ext_feature_isset(ext_features, len,
611 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) &&
612 ext_feature_isset(
613 ext_features, len,
614 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION))
615 capa->flags |= WPA_DRIVER_FLAGS_OCE_STA;
616 #endif /* CONFIG_MBO */
617
618 if (ext_feature_isset(ext_features, len,
619 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
620 capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER;
621
622 if (ext_feature_isset(ext_features, len,
623 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
624 capa->flags |= WPA_DRIVER_FLAGS_CONTROL_PORT;
625 if (ext_feature_isset(ext_features, len,
626 NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH))
627 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_RX;
628 if (ext_feature_isset(
629 ext_features, len,
630 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS))
631 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS;
632
633 if (ext_feature_isset(ext_features, len,
634 NL80211_EXT_FEATURE_VLAN_OFFLOAD))
635 capa->flags |= WPA_DRIVER_FLAGS_VLAN_OFFLOAD;
636
637 if (ext_feature_isset(ext_features, len,
638 NL80211_EXT_FEATURE_CAN_REPLACE_PTK0))
639 capa->flags |= WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS;
640
641 if (ext_feature_isset(ext_features, len,
642 NL80211_EXT_FEATURE_BEACON_PROTECTION))
643 capa->flags |= WPA_DRIVER_FLAGS_BEACON_PROTECTION;
644
645 if (ext_feature_isset(ext_features, len,
646 NL80211_EXT_FEATURE_EXT_KEY_ID))
647 capa->flags |= WPA_DRIVER_FLAGS_EXTENDED_KEY_ID;
648
649 if (ext_feature_isset(ext_features, len,
650 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS))
651 info->drv->multicast_registrations = 1;
652
653 if (ext_feature_isset(ext_features, len,
654 NL80211_EXT_FEATURE_FILS_DISCOVERY))
655 info->drv->fils_discovery = 1;
656
657 if (ext_feature_isset(ext_features, len,
658 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
659 info->drv->unsol_bcast_probe_resp = 1;
660
661 if (ext_feature_isset(ext_features, len,
662 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
663 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT;
664
665 if (ext_feature_isset(ext_features, len,
666 NL80211_EXT_FEATURE_OPERATING_CHANNEL_VALIDATION))
667 capa->flags2 |= WPA_DRIVER_FLAGS2_OCV;
668 }
669
670
wiphy_info_feature_flags(struct wiphy_info_data * info,struct nlattr * tb)671 static void wiphy_info_feature_flags(struct wiphy_info_data *info,
672 struct nlattr *tb)
673 {
674 u32 flags;
675 struct wpa_driver_capa *capa = info->capa;
676
677 if (tb == NULL)
678 return;
679
680 flags = nla_get_u32(tb);
681
682 if (flags & NL80211_FEATURE_SK_TX_STATUS)
683 info->data_tx_status = 1;
684
685 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
686 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
687
688 if (flags & NL80211_FEATURE_SAE)
689 capa->flags |= WPA_DRIVER_FLAGS_SAE;
690
691 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
692 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
693
694 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
695 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
696
697 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
698 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
699 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
700 }
701
702 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
703 info->p2p_go_ctwindow_supported = 1;
704
705 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
706 info->have_low_prio_scan = 1;
707
708 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
709 info->mac_addr_rand_scan_supported = 1;
710
711 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
712 info->mac_addr_rand_sched_scan_supported = 1;
713
714 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
715 info->wmm_ac_supported = 1;
716
717 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
718 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
719
720 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
721 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
722
723 if (flags & NL80211_FEATURE_QUIET)
724 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
725
726 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
727 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
728
729 if (flags & NL80211_FEATURE_HT_IBSS)
730 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
731
732 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
733 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
734 }
735
736
wiphy_info_probe_resp_offload(struct wpa_driver_capa * capa,struct nlattr * tb)737 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
738 struct nlattr *tb)
739 {
740 u32 protocols;
741
742 if (tb == NULL)
743 return;
744
745 protocols = nla_get_u32(tb);
746 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
747 "mode");
748 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
749 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
750 }
751
752
wiphy_info_wowlan_triggers(struct wpa_driver_capa * capa,struct nlattr * tb)753 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
754 struct nlattr *tb)
755 {
756 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
757
758 if (tb == NULL)
759 return;
760
761 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
762 tb, NULL))
763 return;
764
765 if (triggers[NL80211_WOWLAN_TRIG_ANY])
766 capa->wowlan_triggers.any = 1;
767 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
768 capa->wowlan_triggers.disconnect = 1;
769 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
770 capa->wowlan_triggers.magic_pkt = 1;
771 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
772 capa->wowlan_triggers.gtk_rekey_failure = 1;
773 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
774 capa->wowlan_triggers.eap_identity_req = 1;
775 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
776 capa->wowlan_triggers.four_way_handshake = 1;
777 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
778 capa->wowlan_triggers.rfkill_release = 1;
779 }
780
781
wiphy_info_extended_capab(struct wpa_driver_nl80211_data * drv,struct nlattr * tb)782 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
783 struct nlattr *tb)
784 {
785 int rem = 0, i;
786 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
787
788 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
789 return;
790
791 nla_for_each_nested(attr, tb, rem) {
792 unsigned int len;
793 struct drv_nl80211_ext_capa *capa;
794
795 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
796 nla_len(attr), NULL);
797
798 if (!tb1[NL80211_ATTR_IFTYPE] ||
799 !tb1[NL80211_ATTR_EXT_CAPA] ||
800 !tb1[NL80211_ATTR_EXT_CAPA_MASK])
801 continue;
802
803 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
804 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
805 wpa_printf(MSG_DEBUG,
806 "nl80211: Driver-advertised extended capabilities for interface type %s",
807 nl80211_iftype_str(capa->iftype));
808
809 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
810 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
811 len);
812 if (!capa->ext_capa)
813 goto err;
814
815 capa->ext_capa_len = len;
816 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
817 capa->ext_capa, capa->ext_capa_len);
818
819 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
820 capa->ext_capa_mask =
821 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]),
822 len);
823 if (!capa->ext_capa_mask)
824 goto err;
825
826 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
827 capa->ext_capa_mask, capa->ext_capa_len);
828
829 drv->num_iface_ext_capa++;
830 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
831 break;
832 }
833
834 return;
835
836 err:
837 /* Cleanup allocated memory on error */
838 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
839 os_free(drv->iface_ext_capa[i].ext_capa);
840 drv->iface_ext_capa[i].ext_capa = NULL;
841 os_free(drv->iface_ext_capa[i].ext_capa_mask);
842 drv->iface_ext_capa[i].ext_capa_mask = NULL;
843 drv->iface_ext_capa[i].ext_capa_len = 0;
844 }
845 drv->num_iface_ext_capa = 0;
846 }
847
848
wiphy_info_handler(struct nl_msg * msg,void * arg)849 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
850 {
851 struct nlattr *tb[NL80211_ATTR_MAX + 1];
852 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
853 struct wiphy_info_data *info = arg;
854 struct wpa_driver_capa *capa = info->capa;
855 struct wpa_driver_nl80211_data *drv = info->drv;
856
857 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
858 genlmsg_attrlen(gnlh, 0), NULL);
859
860 if (tb[NL80211_ATTR_WIPHY])
861 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
862
863 if (tb[NL80211_ATTR_WIPHY_NAME])
864 os_strlcpy(drv->phyname,
865 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
866 sizeof(drv->phyname));
867 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
868 capa->max_scan_ssids =
869 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
870
871 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
872 capa->max_sched_scan_ssids =
873 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
874
875 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
876 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
877 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
878 capa->max_sched_scan_plans =
879 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
880
881 capa->max_sched_scan_plan_interval =
882 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
883
884 capa->max_sched_scan_plan_iterations =
885 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
886 }
887
888 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
889 capa->max_match_sets =
890 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
891
892 if (tb[NL80211_ATTR_MAC_ACL_MAX])
893 capa->max_acl_mac_addrs =
894 nla_get_u32(tb[NL80211_ATTR_MAC_ACL_MAX]);
895
896 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
897 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
898 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
899 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
900 wiphy_info_akm_suites(info, tb[NL80211_ATTR_AKM_SUITES]);
901 wiphy_info_iftype_akm_suites(info, tb[NL80211_ATTR_IFTYPE_AKM_SUITES]);
902
903 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
904 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
905 "off-channel TX");
906 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
907 }
908
909 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
910 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
911 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
912 }
913
914 wiphy_info_max_roc(capa,
915 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
916
917 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
918 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
919
920 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
921 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
922
923 if (tb[NL80211_ATTR_DEVICE_AP_SME])
924 info->device_ap_sme = 1;
925
926 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
927 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
928 wiphy_info_probe_resp_offload(capa,
929 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
930
931 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
932 drv->extended_capa == NULL) {
933 drv->extended_capa =
934 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
935 if (drv->extended_capa) {
936 os_memcpy(drv->extended_capa,
937 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
938 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
939 drv->extended_capa_len =
940 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
941 wpa_hexdump(MSG_DEBUG,
942 "nl80211: Driver-advertised extended capabilities (default)",
943 drv->extended_capa, drv->extended_capa_len);
944 }
945 drv->extended_capa_mask =
946 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
947 if (drv->extended_capa_mask) {
948 os_memcpy(drv->extended_capa_mask,
949 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
950 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
951 wpa_hexdump(MSG_DEBUG,
952 "nl80211: Driver-advertised extended capabilities mask (default)",
953 drv->extended_capa_mask,
954 drv->extended_capa_len);
955 } else {
956 os_free(drv->extended_capa);
957 drv->extended_capa = NULL;
958 drv->extended_capa_len = 0;
959 }
960 }
961
962 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
963
964 if (tb[NL80211_ATTR_VENDOR_DATA]) {
965 struct nlattr *nl;
966 int rem;
967
968 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
969 struct nl80211_vendor_cmd_info *vinfo;
970 if (nla_len(nl) != sizeof(*vinfo)) {
971 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
972 continue;
973 }
974 vinfo = nla_data(nl);
975 if (vinfo->vendor_id == OUI_QCA) {
976 switch (vinfo->subcmd) {
977 case QCA_NL80211_VENDOR_SUBCMD_TEST:
978 drv->vendor_cmd_test_avail = 1;
979 break;
980 #ifdef CONFIG_DRIVER_NL80211_QCA
981 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
982 drv->roaming_vendor_cmd_avail = 1;
983 break;
984 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
985 drv->dfs_vendor_cmd_avail = 1;
986 break;
987 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
988 drv->get_features_vendor_cmd_avail = 1;
989 break;
990 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
991 drv->get_pref_freq_list = 1;
992 break;
993 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
994 drv->set_prob_oper_freq = 1;
995 break;
996 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
997 drv->capa.flags |=
998 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
999 drv->qca_do_acs = 1;
1000 break;
1001 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
1002 drv->setband_vendor_cmd_avail = 1;
1003 break;
1004 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
1005 drv->scan_vendor_cmd_avail = 1;
1006 break;
1007 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
1008 drv->set_wifi_conf_vendor_cmd_avail = 1;
1009 break;
1010 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS:
1011 drv->fetch_bss_trans_status = 1;
1012 break;
1013 case QCA_NL80211_VENDOR_SUBCMD_ROAM:
1014 drv->roam_vendor_cmd_avail = 1;
1015 break;
1016 case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE:
1017 drv->add_sta_node_vendor_cmd_avail = 1;
1018 break;
1019 case QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO:
1020 drv->get_sta_info_vendor_cmd_avail = 1;
1021 break;
1022 #endif /* CONFIG_DRIVER_NL80211_QCA */
1023 }
1024 #ifdef CONFIG_DRIVER_NL80211_BRCM
1025 } else if (vinfo->vendor_id == OUI_BRCM) {
1026 switch (vinfo->subcmd) {
1027 case BRCM_VENDOR_SCMD_ACS:
1028 drv->capa.flags |=
1029 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1030 wpa_printf(MSG_DEBUG,
1031 "Enabled BRCM ACS");
1032 drv->brcm_do_acs = 1;
1033 break;
1034 }
1035 #endif /* CONFIG_DRIVER_NL80211_BRCM */
1036 }
1037
1038 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
1039 vinfo->vendor_id, vinfo->subcmd);
1040 }
1041 }
1042
1043 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
1044 struct nlattr *nl;
1045 int rem;
1046
1047 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
1048 struct nl80211_vendor_cmd_info *vinfo;
1049 if (nla_len(nl) != sizeof(*vinfo)) {
1050 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1051 continue;
1052 }
1053 vinfo = nla_data(nl);
1054 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
1055 vinfo->vendor_id, vinfo->subcmd);
1056 }
1057 }
1058
1059 wiphy_info_wowlan_triggers(capa,
1060 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
1061
1062 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
1063 capa->max_stations =
1064 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
1065
1066 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
1067 capa->max_csa_counters =
1068 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
1069
1070 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG])
1071 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY;
1072
1073 return NL_SKIP;
1074 }
1075
1076
wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data * drv,struct wiphy_info_data * info)1077 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
1078 struct wiphy_info_data *info)
1079 {
1080 u32 feat;
1081 struct nl_msg *msg;
1082 int flags = 0;
1083
1084 os_memset(info, 0, sizeof(*info));
1085 info->capa = &drv->capa;
1086 info->drv = drv;
1087
1088 feat = get_nl80211_protocol_features(drv);
1089 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1090 flags = NLM_F_DUMP;
1091 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
1092 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1093 nlmsg_free(msg);
1094 return -1;
1095 }
1096
1097 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info, NULL, NULL))
1098 return -1;
1099
1100 if (info->auth_supported)
1101 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
1102 else if (!info->connect_supported) {
1103 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
1104 "authentication/association or connect commands");
1105 info->error = 1;
1106 }
1107
1108 if (info->p2p_go_supported && info->p2p_client_supported)
1109 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
1110 if (info->p2p_concurrent) {
1111 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
1112 "interface (driver advertised support)");
1113 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
1114 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
1115 }
1116 if (info->num_multichan_concurrent > 1) {
1117 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
1118 "concurrent (driver advertised support)");
1119 drv->capa.num_multichan_concurrent =
1120 info->num_multichan_concurrent;
1121 }
1122 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
1123 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
1124
1125 /* default to 5000 since early versions of mac80211 don't set it */
1126 if (!drv->capa.max_remain_on_chan)
1127 drv->capa.max_remain_on_chan = 5000;
1128
1129 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
1130
1131 drv->capa.mac_addr_rand_sched_scan_supported =
1132 info->mac_addr_rand_sched_scan_supported;
1133 drv->capa.mac_addr_rand_scan_supported =
1134 info->mac_addr_rand_scan_supported;
1135
1136 if (info->channel_switch_supported) {
1137 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
1138 if (!drv->capa.max_csa_counters)
1139 drv->capa.max_csa_counters = 1;
1140 }
1141
1142 if (!drv->capa.max_sched_scan_plans) {
1143 drv->capa.max_sched_scan_plans = 1;
1144 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
1145 drv->capa.max_sched_scan_plan_iterations = 0;
1146 }
1147
1148 if (info->update_ft_ies_supported)
1149 drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES;
1150
1151 return 0;
1152 }
1153
1154
1155 #ifdef CONFIG_DRIVER_NL80211_QCA
1156
dfs_info_handler(struct nl_msg * msg,void * arg)1157 static int dfs_info_handler(struct nl_msg *msg, void *arg)
1158 {
1159 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1160 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1161 int *dfs_capability_ptr = arg;
1162
1163 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1164 genlmsg_attrlen(gnlh, 0), NULL);
1165
1166 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1167 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1168 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1169
1170 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1171 nla_data(nl_vend), nla_len(nl_vend), NULL);
1172
1173 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
1174 u32 val;
1175 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
1176 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
1177 val);
1178 *dfs_capability_ptr = val;
1179 }
1180 }
1181
1182 return NL_SKIP;
1183 }
1184
1185
qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data * drv)1186 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
1187 {
1188 struct nl_msg *msg;
1189 int dfs_capability = 0;
1190 int ret;
1191
1192 if (!drv->dfs_vendor_cmd_avail)
1193 return;
1194
1195 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1196 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1197 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1198 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
1199 nlmsg_free(msg);
1200 return;
1201 }
1202
1203 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability,
1204 NULL, NULL);
1205 if (!ret && dfs_capability)
1206 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
1207 }
1208
1209
1210 struct features_info {
1211 u8 *flags;
1212 size_t flags_len;
1213 struct wpa_driver_capa *capa;
1214 };
1215
1216
features_info_handler(struct nl_msg * msg,void * arg)1217 static int features_info_handler(struct nl_msg *msg, void *arg)
1218 {
1219 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1220 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1221 struct features_info *info = arg;
1222 struct nlattr *nl_vend, *attr;
1223
1224 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1225 genlmsg_attrlen(gnlh, 0), NULL);
1226
1227 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1228 if (nl_vend) {
1229 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1230
1231 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1232 nla_data(nl_vend), nla_len(nl_vend), NULL);
1233
1234 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
1235 if (attr) {
1236 int len = nla_len(attr);
1237 info->flags = os_malloc(len);
1238 if (info->flags != NULL) {
1239 os_memcpy(info->flags, nla_data(attr), len);
1240 info->flags_len = len;
1241 }
1242 }
1243 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
1244 if (attr)
1245 info->capa->conc_capab = nla_get_u32(attr);
1246
1247 attr = tb_vendor[
1248 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
1249 if (attr)
1250 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
1251
1252 attr = tb_vendor[
1253 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
1254 if (attr)
1255 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
1256 }
1257
1258 return NL_SKIP;
1259 }
1260
1261
check_feature(enum qca_wlan_vendor_features feature,struct features_info * info)1262 static int check_feature(enum qca_wlan_vendor_features feature,
1263 struct features_info *info)
1264 {
1265 size_t idx = feature / 8;
1266
1267 return (idx < info->flags_len) &&
1268 (info->flags[idx] & BIT(feature % 8));
1269 }
1270
1271
qca_nl80211_get_features(struct wpa_driver_nl80211_data * drv)1272 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
1273 {
1274 struct nl_msg *msg;
1275 struct features_info info;
1276 int ret;
1277
1278 if (!drv->get_features_vendor_cmd_avail)
1279 return;
1280
1281 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1282 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1283 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1284 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
1285 nlmsg_free(msg);
1286 return;
1287 }
1288
1289 os_memset(&info, 0, sizeof(info));
1290 info.capa = &drv->capa;
1291 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info,
1292 NULL, NULL);
1293 if (ret || !info.flags)
1294 return;
1295
1296 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
1297 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
1298
1299 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
1300 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1301
1302 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
1303 &info))
1304 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1305 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
1306 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
1307 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info))
1308 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA;
1309 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info))
1310 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP;
1311 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info))
1312 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON;
1313 os_free(info.flags);
1314 }
1315
1316 #endif /* CONFIG_DRIVER_NL80211_QCA */
1317
1318
wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data * drv)1319 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
1320 {
1321 struct wiphy_info_data info;
1322 int i;
1323
1324 if (wpa_driver_nl80211_get_info(drv, &info))
1325 return -1;
1326
1327 if (info.error)
1328 return -1;
1329
1330 drv->has_capability = 1;
1331 drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype;
1332
1333 /* Fallback to hardcoded defaults if the driver does nott advertize any
1334 * AKM capabilities. */
1335 if (!drv->has_driver_key_mgmt) {
1336 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1337 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1338 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1339 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1340 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1341 WPA_DRIVER_CAPA_KEY_MGMT_OWE |
1342 WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1343
1344 if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
1345 WPA_DRIVER_CAPA_ENC_GCMP_256))
1346 drv->capa.key_mgmt |=
1347 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1348
1349 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
1350 drv->capa.key_mgmt |=
1351 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1352 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
1353 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
1354 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
1355 WPA_DRIVER_CAPA_KEY_MGMT_SAE;
1356 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
1357 drv->capa.key_mgmt |=
1358 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1359 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
1360 }
1361
1362 if (!info.has_key_mgmt_iftype) {
1363 /* If the driver does not advertize per interface AKM
1364 * capabilities, consider all interfaces to support default AKMs
1365 * in key_mgmt. */
1366 for (i = 0; i < WPA_IF_MAX; i++)
1367 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
1368 } else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) {
1369 /* If the driver advertizes only per interface supported AKMs
1370 * but does not advertize per wiphy AKM capabilities, consider
1371 * the default key_mgmt as a mask of per interface supported
1372 * AKMs. */
1373 drv->capa.key_mgmt = 0;
1374 for (i = 0; i < WPA_IF_MAX; i++)
1375 drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i];
1376 } else if (info.has_key_mgmt_iftype && info.has_key_mgmt) {
1377 /* If the driver advertizes AKM capabilities both per wiphy and
1378 * per interface, consider the interfaces for which per
1379 * interface AKM capabilities were not received to support the
1380 * default key_mgmt capabilities.
1381 */
1382 for (i = 0; i < WPA_IF_MAX; i++)
1383 if (!drv->capa.key_mgmt_iftype[i])
1384 drv->capa.key_mgmt_iftype[i] =
1385 drv->capa.key_mgmt;
1386 }
1387
1388 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1389 WPA_DRIVER_AUTH_SHARED |
1390 WPA_DRIVER_AUTH_LEAP;
1391
1392 drv->capa.flags |= WPA_DRIVER_FLAGS_VALID_ERROR_CODES;
1393 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1394 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1395
1396 /*
1397 * As all cfg80211 drivers must support cases where the AP interface is
1398 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1399 * case that the user space daemon has crashed, they must be able to
1400 * cleanup all stations and key entries in the AP tear down flow. Thus,
1401 * this flag can/should always be set for cfg80211 drivers.
1402 */
1403 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1404
1405 if (!info.device_ap_sme) {
1406 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1407 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_AP_SME;
1408
1409 /*
1410 * No AP SME is currently assumed to also indicate no AP MLME
1411 * in the driver/firmware.
1412 */
1413 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1414 }
1415
1416 drv->device_ap_sme = info.device_ap_sme;
1417 drv->poll_command_supported = info.poll_command_supported;
1418 drv->data_tx_status = info.data_tx_status;
1419 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1420 if (info.set_qos_map_supported)
1421 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1422 drv->have_low_prio_scan = info.have_low_prio_scan;
1423
1424 /*
1425 * If poll command and tx status are supported, mac80211 is new enough
1426 * to have everything we need to not need monitor interfaces.
1427 */
1428 drv->use_monitor = !info.device_ap_sme &&
1429 (!info.poll_command_supported || !info.data_tx_status);
1430
1431 /*
1432 * If we aren't going to use monitor interfaces, but the
1433 * driver doesn't support data TX status, we won't get TX
1434 * status for EAPOL frames.
1435 */
1436 if (!drv->use_monitor && !info.data_tx_status)
1437 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1438
1439 #ifdef CONFIG_DRIVER_NL80211_QCA
1440 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD))
1441 qca_nl80211_check_dfs_capa(drv);
1442 qca_nl80211_get_features(drv);
1443
1444 /*
1445 * To enable offchannel simultaneous support in wpa_supplicant, the
1446 * underlying driver needs to support the same along with offchannel TX.
1447 * Offchannel TX support is needed since remain_on_channel and
1448 * action_tx use some common data structures and hence cannot be
1449 * scheduled simultaneously.
1450 */
1451 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1452 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1453 #endif /* CONFIG_DRIVER_NL80211_QCA */
1454
1455 wpa_printf(MSG_DEBUG,
1456 "nl80211: key_mgmt=0x%x enc=0x%x auth=0x%x flags=0x%llx rrm_flags=0x%x probe_resp_offloads=0x%x max_stations=%u max_remain_on_chan=%u max_scan_ssids=%d",
1457 drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth,
1458 (unsigned long long) drv->capa.flags, drv->capa.rrm_flags,
1459 drv->capa.probe_resp_offloads, drv->capa.max_stations,
1460 drv->capa.max_remain_on_chan, drv->capa.max_scan_ssids);
1461 return 0;
1462 }
1463
1464
1465 struct phy_info_arg {
1466 u16 *num_modes;
1467 struct hostapd_hw_modes *modes;
1468 int last_mode, last_chan_idx;
1469 int failed;
1470 u8 dfs_domain;
1471 };
1472
phy_info_ht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * ampdu_factor,struct nlattr * ampdu_density,struct nlattr * mcs_set)1473 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1474 struct nlattr *ampdu_factor,
1475 struct nlattr *ampdu_density,
1476 struct nlattr *mcs_set)
1477 {
1478 if (capa)
1479 mode->ht_capab = nla_get_u16(capa);
1480
1481 if (ampdu_factor)
1482 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1483
1484 if (ampdu_density)
1485 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1486
1487 if (mcs_set && nla_len(mcs_set) >= 16) {
1488 u8 *mcs;
1489 mcs = nla_data(mcs_set);
1490 os_memcpy(mode->mcs_set, mcs, 16);
1491 }
1492 }
1493
1494
phy_info_vht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * mcs_set)1495 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1496 struct nlattr *capa,
1497 struct nlattr *mcs_set)
1498 {
1499 if (capa)
1500 mode->vht_capab = nla_get_u32(capa);
1501
1502 if (mcs_set && nla_len(mcs_set) >= 8) {
1503 u8 *mcs;
1504 mcs = nla_data(mcs_set);
1505 os_memcpy(mode->vht_mcs_set, mcs, 8);
1506 }
1507 }
1508
1509
phy_info_edmg_capa(struct hostapd_hw_modes * mode,struct nlattr * bw_config,struct nlattr * channels)1510 static int phy_info_edmg_capa(struct hostapd_hw_modes *mode,
1511 struct nlattr *bw_config,
1512 struct nlattr *channels)
1513 {
1514 if (!bw_config || !channels)
1515 return NL_OK;
1516
1517 mode->edmg.bw_config = nla_get_u8(bw_config);
1518 mode->edmg.channels = nla_get_u8(channels);
1519
1520 if (!mode->edmg.channels || !mode->edmg.bw_config)
1521 return NL_STOP;
1522
1523 return NL_OK;
1524 }
1525
1526
cw2ecw(unsigned int cw)1527 static int cw2ecw(unsigned int cw)
1528 {
1529 int bit;
1530
1531 if (cw == 0)
1532 return 0;
1533
1534 for (bit = 1; cw != 1; bit++)
1535 cw >>= 1;
1536
1537 return bit;
1538 }
1539
1540
phy_info_freq(struct hostapd_hw_modes * mode,struct hostapd_channel_data * chan,struct nlattr * tb_freq[])1541 static void phy_info_freq(struct hostapd_hw_modes *mode,
1542 struct hostapd_channel_data *chan,
1543 struct nlattr *tb_freq[])
1544 {
1545 u8 channel;
1546
1547 os_memset(chan, 0, sizeof(*chan));
1548 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1549 chan->flag = 0;
1550 chan->allowed_bw = ~0;
1551 chan->dfs_cac_ms = 0;
1552 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1553 chan->chan = channel;
1554 else
1555 wpa_printf(MSG_DEBUG,
1556 "nl80211: No channel number found for frequency %u MHz",
1557 chan->freq);
1558
1559 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1560 chan->flag |= HOSTAPD_CHAN_DISABLED;
1561 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1562 chan->flag |= HOSTAPD_CHAN_NO_IR;
1563 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1564 chan->flag |= HOSTAPD_CHAN_RADAR;
1565 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1566 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1567 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1568 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1569
1570 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
1571 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10;
1572 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
1573 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20;
1574 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
1575 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P;
1576 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
1577 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M;
1578 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
1579 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80;
1580 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
1581 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160;
1582
1583 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1584 enum nl80211_dfs_state state =
1585 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1586
1587 switch (state) {
1588 case NL80211_DFS_USABLE:
1589 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1590 break;
1591 case NL80211_DFS_AVAILABLE:
1592 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1593 break;
1594 case NL80211_DFS_UNAVAILABLE:
1595 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1596 break;
1597 }
1598 }
1599
1600 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1601 chan->dfs_cac_ms = nla_get_u32(
1602 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1603 }
1604
1605 chan->wmm_rules_valid = 0;
1606 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) {
1607 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = {
1608 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 },
1609 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 },
1610 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
1611 [NL80211_WMMR_TXOP] = { .type = NLA_U16 },
1612 };
1613 static const u8 wmm_map[4] = {
1614 [NL80211_AC_BE] = WMM_AC_BE,
1615 [NL80211_AC_BK] = WMM_AC_BK,
1616 [NL80211_AC_VI] = WMM_AC_VI,
1617 [NL80211_AC_VO] = WMM_AC_VO,
1618 };
1619 struct nlattr *nl_wmm;
1620 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
1621 int rem_wmm, ac, count = 0;
1622
1623 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM],
1624 rem_wmm) {
1625 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm,
1626 wmm_policy)) {
1627 wpa_printf(MSG_DEBUG,
1628 "nl80211: Failed to parse WMM rules attribute");
1629 return;
1630 }
1631 if (!tb_wmm[NL80211_WMMR_CW_MIN] ||
1632 !tb_wmm[NL80211_WMMR_CW_MAX] ||
1633 !tb_wmm[NL80211_WMMR_AIFSN] ||
1634 !tb_wmm[NL80211_WMMR_TXOP]) {
1635 wpa_printf(MSG_DEBUG,
1636 "nl80211: Channel is missing WMM rule attribute");
1637 return;
1638 }
1639 ac = nl_wmm->nla_type;
1640 if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) {
1641 wpa_printf(MSG_DEBUG,
1642 "nl80211: Invalid AC value %d", ac);
1643 return;
1644 }
1645
1646 ac = wmm_map[ac];
1647 chan->wmm_rules[ac].min_cwmin =
1648 cw2ecw(nla_get_u16(
1649 tb_wmm[NL80211_WMMR_CW_MIN]));
1650 chan->wmm_rules[ac].min_cwmax =
1651 cw2ecw(nla_get_u16(
1652 tb_wmm[NL80211_WMMR_CW_MAX]));
1653 chan->wmm_rules[ac].min_aifs =
1654 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]);
1655 chan->wmm_rules[ac].max_txop =
1656 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32;
1657 count++;
1658 }
1659
1660 /* Set valid flag if all the AC rules are present */
1661 if (count == WMM_AC_NUM)
1662 chan->wmm_rules_valid = 1;
1663 }
1664 }
1665
1666
phy_info_freqs(struct phy_info_arg * phy_info,struct hostapd_hw_modes * mode,struct nlattr * tb)1667 static int phy_info_freqs(struct phy_info_arg *phy_info,
1668 struct hostapd_hw_modes *mode, struct nlattr *tb)
1669 {
1670 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1671 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1672 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1673 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1674 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1675 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1676 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1677 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG },
1678 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG },
1679 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG },
1680 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG },
1681 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG },
1682 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG },
1683 };
1684 int new_channels = 0;
1685 struct hostapd_channel_data *channel;
1686 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1687 struct nlattr *nl_freq;
1688 int rem_freq, idx;
1689
1690 if (tb == NULL)
1691 return NL_OK;
1692
1693 nla_for_each_nested(nl_freq, tb, rem_freq) {
1694 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1695 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1696 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1697 continue;
1698 new_channels++;
1699 }
1700
1701 channel = os_realloc_array(mode->channels,
1702 mode->num_channels + new_channels,
1703 sizeof(struct hostapd_channel_data));
1704 if (!channel)
1705 return NL_STOP;
1706
1707 mode->channels = channel;
1708 mode->num_channels += new_channels;
1709
1710 idx = phy_info->last_chan_idx;
1711
1712 nla_for_each_nested(nl_freq, tb, rem_freq) {
1713 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1714 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1715 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1716 continue;
1717 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1718 idx++;
1719 }
1720 phy_info->last_chan_idx = idx;
1721
1722 return NL_OK;
1723 }
1724
1725
phy_info_rates(struct hostapd_hw_modes * mode,struct nlattr * tb)1726 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1727 {
1728 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1729 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1730 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1731 { .type = NLA_FLAG },
1732 };
1733 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1734 struct nlattr *nl_rate;
1735 int rem_rate, idx;
1736
1737 if (tb == NULL)
1738 return NL_OK;
1739
1740 nla_for_each_nested(nl_rate, tb, rem_rate) {
1741 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1742 nla_data(nl_rate), nla_len(nl_rate),
1743 rate_policy);
1744 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1745 continue;
1746 mode->num_rates++;
1747 }
1748
1749 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1750 if (!mode->rates)
1751 return NL_STOP;
1752
1753 idx = 0;
1754
1755 nla_for_each_nested(nl_rate, tb, rem_rate) {
1756 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1757 nla_data(nl_rate), nla_len(nl_rate),
1758 rate_policy);
1759 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1760 continue;
1761 mode->rates[idx] = nla_get_u32(
1762 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1763 idx++;
1764 }
1765
1766 return NL_OK;
1767 }
1768
1769
phy_info_iftype_copy(struct he_capabilities * he_capab,enum ieee80211_op_mode opmode,struct nlattr ** tb,struct nlattr ** tb_flags)1770 static void phy_info_iftype_copy(struct he_capabilities *he_capab,
1771 enum ieee80211_op_mode opmode,
1772 struct nlattr **tb, struct nlattr **tb_flags)
1773 {
1774 enum nl80211_iftype iftype;
1775 size_t len;
1776
1777 switch (opmode) {
1778 case IEEE80211_MODE_INFRA:
1779 iftype = NL80211_IFTYPE_STATION;
1780 break;
1781 case IEEE80211_MODE_IBSS:
1782 iftype = NL80211_IFTYPE_ADHOC;
1783 break;
1784 case IEEE80211_MODE_AP:
1785 iftype = NL80211_IFTYPE_AP;
1786 break;
1787 case IEEE80211_MODE_MESH:
1788 iftype = NL80211_IFTYPE_MESH_POINT;
1789 break;
1790 default:
1791 return;
1792 }
1793
1794 if (!nla_get_flag(tb_flags[iftype]))
1795 return;
1796
1797 he_capab->he_supported = 1;
1798
1799 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
1800 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
1801
1802 if (len > sizeof(he_capab->phy_cap))
1803 len = sizeof(he_capab->phy_cap);
1804 os_memcpy(he_capab->phy_cap,
1805 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
1806 len);
1807 }
1808
1809 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
1810 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
1811
1812 if (len > sizeof(he_capab->mac_cap))
1813 len = sizeof(he_capab->mac_cap);
1814 os_memcpy(he_capab->mac_cap,
1815 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
1816 len);
1817 }
1818
1819 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
1820 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
1821
1822 if (len > sizeof(he_capab->mcs))
1823 len = sizeof(he_capab->mcs);
1824 os_memcpy(he_capab->mcs,
1825 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
1826 len);
1827 }
1828
1829 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
1830 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
1831
1832 if (len > sizeof(he_capab->ppet))
1833 len = sizeof(he_capab->ppet);
1834 os_memcpy(&he_capab->ppet,
1835 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
1836 len);
1837 }
1838
1839 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]) {
1840 u16 capa;
1841
1842 capa = nla_get_u16(tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]);
1843 he_capab->he_6ghz_capa = le_to_host16(capa);
1844 }
1845 }
1846
1847
phy_info_iftype(struct hostapd_hw_modes * mode,struct nlattr * nl_iftype)1848 static int phy_info_iftype(struct hostapd_hw_modes *mode,
1849 struct nlattr *nl_iftype)
1850 {
1851 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
1852 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
1853 unsigned int i;
1854
1855 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
1856 nla_data(nl_iftype), nla_len(nl_iftype), NULL);
1857
1858 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
1859 return NL_STOP;
1860
1861 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
1862 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
1863 return NL_STOP;
1864
1865 for (i = 0; i < IEEE80211_MODE_NUM; i++)
1866 phy_info_iftype_copy(&mode->he_capab[i], i, tb, tb_flags);
1867
1868 return NL_OK;
1869 }
1870
1871
phy_info_band(struct phy_info_arg * phy_info,struct nlattr * nl_band)1872 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1873 {
1874 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1875 struct hostapd_hw_modes *mode;
1876 int ret;
1877
1878 if (phy_info->last_mode != nl_band->nla_type) {
1879 mode = os_realloc_array(phy_info->modes,
1880 *phy_info->num_modes + 1,
1881 sizeof(*mode));
1882 if (!mode) {
1883 phy_info->failed = 1;
1884 return NL_STOP;
1885 }
1886 phy_info->modes = mode;
1887
1888 mode = &phy_info->modes[*(phy_info->num_modes)];
1889 os_memset(mode, 0, sizeof(*mode));
1890 mode->mode = NUM_HOSTAPD_MODES;
1891 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1892 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1893
1894 /*
1895 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1896 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1897 * possible streams as unsupported. This will be overridden if
1898 * driver advertises VHT support.
1899 */
1900 mode->vht_mcs_set[0] = 0xff;
1901 mode->vht_mcs_set[1] = 0xff;
1902 mode->vht_mcs_set[4] = 0xff;
1903 mode->vht_mcs_set[5] = 0xff;
1904
1905 *(phy_info->num_modes) += 1;
1906 phy_info->last_mode = nl_band->nla_type;
1907 phy_info->last_chan_idx = 0;
1908 } else
1909 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1910
1911 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1912 nla_len(nl_band), NULL);
1913
1914 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1915 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1916 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1917 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1918 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1919 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1920 ret = phy_info_edmg_capa(mode,
1921 tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG],
1922 tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]);
1923 if (ret == NL_OK)
1924 ret = phy_info_freqs(phy_info, mode,
1925 tb_band[NL80211_BAND_ATTR_FREQS]);
1926 if (ret == NL_OK)
1927 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1928 if (ret != NL_OK) {
1929 phy_info->failed = 1;
1930 return ret;
1931 }
1932
1933 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
1934 struct nlattr *nl_iftype;
1935 int rem_band;
1936
1937 nla_for_each_nested(nl_iftype,
1938 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA],
1939 rem_band) {
1940 ret = phy_info_iftype(mode, nl_iftype);
1941 if (ret != NL_OK)
1942 return ret;
1943 }
1944 }
1945
1946 return NL_OK;
1947 }
1948
1949
phy_info_handler(struct nl_msg * msg,void * arg)1950 static int phy_info_handler(struct nl_msg *msg, void *arg)
1951 {
1952 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1953 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1954 struct phy_info_arg *phy_info = arg;
1955 struct nlattr *nl_band;
1956 int rem_band;
1957
1958 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1959 genlmsg_attrlen(gnlh, 0), NULL);
1960
1961 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1962 return NL_SKIP;
1963
1964 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1965 {
1966 int res = phy_info_band(phy_info, nl_band);
1967 if (res != NL_OK)
1968 return res;
1969 }
1970
1971 return NL_SKIP;
1972 }
1973
1974
1975 static struct hostapd_hw_modes *
wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes * modes,u16 * num_modes)1976 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1977 u16 *num_modes)
1978 {
1979 u16 m;
1980 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1981 int i, mode11g_idx = -1;
1982
1983 /* heuristic to set up modes */
1984 for (m = 0; m < *num_modes; m++) {
1985 if (!modes[m].num_channels)
1986 continue;
1987 if (modes[m].channels[0].freq < 2000) {
1988 modes[m].num_channels = 0;
1989 continue;
1990 } else if (modes[m].channels[0].freq < 4000) {
1991 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1992 for (i = 0; i < modes[m].num_rates; i++) {
1993 if (modes[m].rates[i] > 200) {
1994 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1995 break;
1996 }
1997 }
1998 } else if (modes[m].channels[0].freq > 50000)
1999 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
2000 else
2001 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
2002 }
2003
2004 /* Remove unsupported bands */
2005 m = 0;
2006 while (m < *num_modes) {
2007 if (modes[m].mode == NUM_HOSTAPD_MODES) {
2008 wpa_printf(MSG_DEBUG,
2009 "nl80211: Remove unsupported mode");
2010 os_free(modes[m].channels);
2011 os_free(modes[m].rates);
2012 if (m + 1 < *num_modes)
2013 os_memmove(&modes[m], &modes[m + 1],
2014 sizeof(struct hostapd_hw_modes) *
2015 (*num_modes - (m + 1)));
2016 (*num_modes)--;
2017 continue;
2018 }
2019 m++;
2020 }
2021
2022 /* If only 802.11g mode is included, use it to construct matching
2023 * 802.11b mode data. */
2024
2025 for (m = 0; m < *num_modes; m++) {
2026 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
2027 return modes; /* 802.11b already included */
2028 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
2029 mode11g_idx = m;
2030 }
2031
2032 if (mode11g_idx < 0)
2033 return modes; /* 2.4 GHz band not supported at all */
2034
2035 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
2036 if (nmodes == NULL)
2037 return modes; /* Could not add 802.11b mode */
2038
2039 mode = &nmodes[*num_modes];
2040 os_memset(mode, 0, sizeof(*mode));
2041 (*num_modes)++;
2042 modes = nmodes;
2043
2044 mode->mode = HOSTAPD_MODE_IEEE80211B;
2045
2046 mode11g = &modes[mode11g_idx];
2047 mode->num_channels = mode11g->num_channels;
2048 mode->channels = os_memdup(mode11g->channels,
2049 mode11g->num_channels *
2050 sizeof(struct hostapd_channel_data));
2051 if (mode->channels == NULL) {
2052 (*num_modes)--;
2053 return modes; /* Could not add 802.11b mode */
2054 }
2055
2056 mode->num_rates = 0;
2057 mode->rates = os_malloc(4 * sizeof(int));
2058 if (mode->rates == NULL) {
2059 os_free(mode->channels);
2060 (*num_modes)--;
2061 return modes; /* Could not add 802.11b mode */
2062 }
2063
2064 for (i = 0; i < mode11g->num_rates; i++) {
2065 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
2066 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
2067 continue;
2068 mode->rates[mode->num_rates] = mode11g->rates[i];
2069 mode->num_rates++;
2070 if (mode->num_rates == 4)
2071 break;
2072 }
2073
2074 if (mode->num_rates == 0) {
2075 os_free(mode->channels);
2076 os_free(mode->rates);
2077 (*num_modes)--;
2078 return modes; /* No 802.11b rates */
2079 }
2080
2081 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
2082 "information");
2083
2084 return modes;
2085 }
2086
2087
nl80211_set_ht40_mode(struct hostapd_hw_modes * mode,int start,int end)2088 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
2089 int end)
2090 {
2091 int c;
2092
2093 for (c = 0; c < mode->num_channels; c++) {
2094 struct hostapd_channel_data *chan = &mode->channels[c];
2095 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
2096 chan->flag |= HOSTAPD_CHAN_HT40;
2097 }
2098 }
2099
2100
nl80211_set_ht40_mode_sec(struct hostapd_hw_modes * mode,int start,int end)2101 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
2102 int end)
2103 {
2104 int c;
2105
2106 for (c = 0; c < mode->num_channels; c++) {
2107 struct hostapd_channel_data *chan = &mode->channels[c];
2108 if (!(chan->flag & HOSTAPD_CHAN_HT40))
2109 continue;
2110 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
2111 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
2112 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
2113 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
2114 }
2115 }
2116
2117
nl80211_reg_rule_max_eirp(u32 start,u32 end,u32 max_eirp,struct phy_info_arg * results)2118 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
2119 struct phy_info_arg *results)
2120 {
2121 u16 m;
2122
2123 for (m = 0; m < *results->num_modes; m++) {
2124 int c;
2125 struct hostapd_hw_modes *mode = &results->modes[m];
2126
2127 for (c = 0; c < mode->num_channels; c++) {
2128 struct hostapd_channel_data *chan = &mode->channels[c];
2129 if ((u32) chan->freq - 10 >= start &&
2130 (u32) chan->freq + 10 <= end)
2131 chan->max_tx_power = max_eirp;
2132 }
2133 }
2134 }
2135
2136
nl80211_reg_rule_ht40(u32 start,u32 end,struct phy_info_arg * results)2137 static void nl80211_reg_rule_ht40(u32 start, u32 end,
2138 struct phy_info_arg *results)
2139 {
2140 u16 m;
2141
2142 for (m = 0; m < *results->num_modes; m++) {
2143 if (!(results->modes[m].ht_capab &
2144 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2145 continue;
2146 nl80211_set_ht40_mode(&results->modes[m], start, end);
2147 }
2148 }
2149
2150
nl80211_reg_rule_sec(struct nlattr * tb[],struct phy_info_arg * results)2151 static void nl80211_reg_rule_sec(struct nlattr *tb[],
2152 struct phy_info_arg *results)
2153 {
2154 u32 start, end, max_bw;
2155 u16 m;
2156
2157 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2158 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2159 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2160 return;
2161
2162 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2163 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2164 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2165
2166 if (max_bw < 20)
2167 return;
2168
2169 for (m = 0; m < *results->num_modes; m++) {
2170 if (!(results->modes[m].ht_capab &
2171 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2172 continue;
2173 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
2174 }
2175 }
2176
2177
nl80211_set_vht_mode(struct hostapd_hw_modes * mode,int start,int end,int max_bw)2178 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
2179 int end, int max_bw)
2180 {
2181 int c;
2182
2183 for (c = 0; c < mode->num_channels; c++) {
2184 struct hostapd_channel_data *chan = &mode->channels[c];
2185 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
2186 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
2187
2188 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
2189 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
2190
2191 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
2192 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
2193
2194 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
2195 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
2196
2197 if (max_bw >= 160) {
2198 if (chan->freq - 10 >= start && chan->freq + 150 <= end)
2199 chan->flag |= HOSTAPD_CHAN_VHT_10_150;
2200
2201 if (chan->freq - 30 >= start && chan->freq + 130 <= end)
2202 chan->flag |= HOSTAPD_CHAN_VHT_30_130;
2203
2204 if (chan->freq - 50 >= start && chan->freq + 110 <= end)
2205 chan->flag |= HOSTAPD_CHAN_VHT_50_110;
2206
2207 if (chan->freq - 70 >= start && chan->freq + 90 <= end)
2208 chan->flag |= HOSTAPD_CHAN_VHT_70_90;
2209
2210 if (chan->freq - 90 >= start && chan->freq + 70 <= end)
2211 chan->flag |= HOSTAPD_CHAN_VHT_90_70;
2212
2213 if (chan->freq - 110 >= start && chan->freq + 50 <= end)
2214 chan->flag |= HOSTAPD_CHAN_VHT_110_50;
2215
2216 if (chan->freq - 130 >= start && chan->freq + 30 <= end)
2217 chan->flag |= HOSTAPD_CHAN_VHT_130_30;
2218
2219 if (chan->freq - 150 >= start && chan->freq + 10 <= end)
2220 chan->flag |= HOSTAPD_CHAN_VHT_150_10;
2221 }
2222 }
2223 }
2224
2225
nl80211_reg_rule_vht(struct nlattr * tb[],struct phy_info_arg * results)2226 static void nl80211_reg_rule_vht(struct nlattr *tb[],
2227 struct phy_info_arg *results)
2228 {
2229 u32 start, end, max_bw;
2230 u16 m;
2231
2232 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2233 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2234 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2235 return;
2236
2237 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2238 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2239 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2240
2241 if (max_bw < 80)
2242 return;
2243
2244 for (m = 0; m < *results->num_modes; m++) {
2245 if (!(results->modes[m].ht_capab &
2246 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2247 continue;
2248 /* TODO: use a real VHT support indication */
2249 if (!results->modes[m].vht_capab)
2250 continue;
2251
2252 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
2253 }
2254 }
2255
2256
nl80211_set_dfs_domain(enum nl80211_dfs_regions region,u8 * dfs_domain)2257 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
2258 u8 *dfs_domain)
2259 {
2260 if (region == NL80211_DFS_FCC)
2261 *dfs_domain = HOSTAPD_DFS_REGION_FCC;
2262 else if (region == NL80211_DFS_ETSI)
2263 *dfs_domain = HOSTAPD_DFS_REGION_ETSI;
2264 else if (region == NL80211_DFS_JP)
2265 *dfs_domain = HOSTAPD_DFS_REGION_JP;
2266 else
2267 *dfs_domain = 0;
2268 }
2269
2270
dfs_domain_name(enum nl80211_dfs_regions region)2271 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
2272 {
2273 switch (region) {
2274 case NL80211_DFS_UNSET:
2275 return "DFS-UNSET";
2276 case NL80211_DFS_FCC:
2277 return "DFS-FCC";
2278 case NL80211_DFS_ETSI:
2279 return "DFS-ETSI";
2280 case NL80211_DFS_JP:
2281 return "DFS-JP";
2282 default:
2283 return "DFS-invalid";
2284 }
2285 }
2286
2287
nl80211_get_reg(struct nl_msg * msg,void * arg)2288 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
2289 {
2290 struct phy_info_arg *results = arg;
2291 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2292 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2293 struct nlattr *nl_rule;
2294 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
2295 int rem_rule;
2296 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2297 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
2298 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
2299 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
2300 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
2301 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
2302 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
2303 };
2304
2305 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2306 genlmsg_attrlen(gnlh, 0), NULL);
2307 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
2308 !tb_msg[NL80211_ATTR_REG_RULES]) {
2309 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
2310 "available");
2311 return NL_SKIP;
2312 }
2313
2314 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
2315 enum nl80211_dfs_regions dfs_domain;
2316 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
2317 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
2318 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
2319 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
2320 dfs_domain_name(dfs_domain));
2321 } else {
2322 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
2323 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
2324 }
2325
2326 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2327 {
2328 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
2329 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2330 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2331 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2332 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
2333 continue;
2334 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2335 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2336 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2337 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
2338 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2339 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2340 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
2341 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
2342
2343 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
2344 start, end, max_bw, max_eirp,
2345 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
2346 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
2347 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
2348 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
2349 "",
2350 flags & NL80211_RRF_DFS ? " (DFS)" : "",
2351 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
2352 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
2353 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
2354 if (max_bw >= 40)
2355 nl80211_reg_rule_ht40(start, end, results);
2356 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2357 nl80211_reg_rule_max_eirp(start, end, max_eirp,
2358 results);
2359 }
2360
2361 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2362 {
2363 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2364 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2365 nl80211_reg_rule_sec(tb_rule, results);
2366 }
2367
2368 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2369 {
2370 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2371 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2372 nl80211_reg_rule_vht(tb_rule, results);
2373 }
2374
2375 return NL_SKIP;
2376 }
2377
2378
nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data * drv,struct phy_info_arg * results)2379 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
2380 struct phy_info_arg *results)
2381 {
2382 struct nl_msg *msg;
2383
2384 msg = nlmsg_alloc();
2385 if (!msg)
2386 return -ENOMEM;
2387
2388 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
2389 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
2390 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
2391 nlmsg_free(msg);
2392 return -1;
2393 }
2394 }
2395
2396 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results,
2397 NULL, NULL);
2398 }
2399
2400
modestr(enum hostapd_hw_mode mode)2401 static const char * modestr(enum hostapd_hw_mode mode)
2402 {
2403 switch (mode) {
2404 case HOSTAPD_MODE_IEEE80211B:
2405 return "802.11b";
2406 case HOSTAPD_MODE_IEEE80211G:
2407 return "802.11g";
2408 case HOSTAPD_MODE_IEEE80211A:
2409 return "802.11a";
2410 case HOSTAPD_MODE_IEEE80211AD:
2411 return "802.11ad";
2412 default:
2413 return "?";
2414 }
2415 }
2416
2417
nl80211_dump_chan_list(struct hostapd_hw_modes * modes,u16 num_modes)2418 static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes,
2419 u16 num_modes)
2420 {
2421 int i;
2422
2423 if (!modes)
2424 return;
2425
2426 for (i = 0; i < num_modes; i++) {
2427 struct hostapd_hw_modes *mode = &modes[i];
2428 char str[200];
2429 char *pos = str;
2430 char *end = pos + sizeof(str);
2431 int j, res;
2432
2433 for (j = 0; j < mode->num_channels; j++) {
2434 struct hostapd_channel_data *chan = &mode->channels[j];
2435
2436 res = os_snprintf(pos, end - pos, " %d%s%s%s",
2437 chan->freq,
2438 (chan->flag & HOSTAPD_CHAN_DISABLED) ?
2439 "[DISABLED]" : "",
2440 (chan->flag & HOSTAPD_CHAN_NO_IR) ?
2441 "[NO_IR]" : "",
2442 (chan->flag & HOSTAPD_CHAN_RADAR) ?
2443 "[RADAR]" : "");
2444 if (os_snprintf_error(end - pos, res))
2445 break;
2446 pos += res;
2447 }
2448
2449 *pos = '\0';
2450 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
2451 modestr(mode->mode), str);
2452 }
2453 }
2454
2455
2456 struct hostapd_hw_modes *
nl80211_get_hw_feature_data(void * priv,u16 * num_modes,u16 * flags,u8 * dfs_domain)2457 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
2458 u8 *dfs_domain)
2459 {
2460 u32 feat;
2461 struct i802_bss *bss = priv;
2462 struct wpa_driver_nl80211_data *drv = bss->drv;
2463 int nl_flags = 0;
2464 struct nl_msg *msg;
2465 struct phy_info_arg result = {
2466 .num_modes = num_modes,
2467 .modes = NULL,
2468 .last_mode = -1,
2469 .failed = 0,
2470 .dfs_domain = 0,
2471 };
2472
2473 *num_modes = 0;
2474 *flags = 0;
2475 *dfs_domain = 0;
2476
2477 feat = get_nl80211_protocol_features(drv);
2478 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
2479 nl_flags = NLM_F_DUMP;
2480 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
2481 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
2482 nlmsg_free(msg);
2483 return NULL;
2484 }
2485
2486 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result,
2487 NULL, NULL) == 0) {
2488 struct hostapd_hw_modes *modes;
2489
2490 nl80211_set_regulatory_flags(drv, &result);
2491 if (result.failed) {
2492 int i;
2493
2494 for (i = 0; result.modes && i < *num_modes; i++) {
2495 os_free(result.modes[i].channels);
2496 os_free(result.modes[i].rates);
2497 }
2498 os_free(result.modes);
2499 *num_modes = 0;
2500 return NULL;
2501 }
2502
2503 *dfs_domain = result.dfs_domain;
2504
2505 modes = wpa_driver_nl80211_postprocess_modes(result.modes,
2506 num_modes);
2507 nl80211_dump_chan_list(modes, *num_modes);
2508 return modes;
2509 }
2510
2511 return NULL;
2512 }
2513