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_resp(drv, msg, protocol_feature_handler, &feat) == 0)
54 return feat;
55
56 return 0;
57 }
58
59
60 struct wiphy_info_data {
61 struct wpa_driver_nl80211_data *drv;
62 struct wpa_driver_capa *capa;
63
64 unsigned int num_multichan_concurrent;
65
66 unsigned int error:1;
67 unsigned int device_ap_sme:1;
68 unsigned int poll_command_supported:1;
69 unsigned int data_tx_status:1;
70 unsigned int auth_supported:1;
71 unsigned int connect_supported:1;
72 unsigned int p2p_go_supported:1;
73 unsigned int p2p_client_supported:1;
74 unsigned int p2p_go_ctwindow_supported:1;
75 unsigned int p2p_concurrent:1;
76 unsigned int channel_switch_supported:1;
77 unsigned int set_qos_map_supported:1;
78 unsigned int have_low_prio_scan:1;
79 unsigned int wmm_ac_supported:1;
80 unsigned int mac_addr_rand_scan_supported:1;
81 unsigned int mac_addr_rand_sched_scan_supported:1;
82 unsigned int update_ft_ies_supported:1;
83 unsigned int has_key_mgmt:1;
84 unsigned int has_key_mgmt_iftype:1;
85 };
86
87
probe_resp_offload_support(int supp_protocols)88 static unsigned int probe_resp_offload_support(int supp_protocols)
89 {
90 unsigned int prot = 0;
91
92 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
93 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
94 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
95 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
96 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
97 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
98 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
99 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
100
101 return prot;
102 }
103
104
wiphy_info_supported_iftypes(struct wiphy_info_data * info,struct nlattr * tb)105 static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
106 struct nlattr *tb)
107 {
108 struct nlattr *nl_mode;
109 int i;
110
111 if (tb == NULL)
112 return;
113
114 nla_for_each_nested(nl_mode, tb, i) {
115 switch (nla_type(nl_mode)) {
116 case NL80211_IFTYPE_AP:
117 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
118 break;
119 case NL80211_IFTYPE_MESH_POINT:
120 info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
121 break;
122 case NL80211_IFTYPE_ADHOC:
123 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
124 break;
125 case NL80211_IFTYPE_P2P_DEVICE:
126 info->capa->flags |=
127 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
128 break;
129 case NL80211_IFTYPE_P2P_GO:
130 info->p2p_go_supported = 1;
131 break;
132 case NL80211_IFTYPE_P2P_CLIENT:
133 info->p2p_client_supported = 1;
134 break;
135 }
136 }
137 }
138
139
wiphy_info_iface_comb_process(struct wiphy_info_data * info,struct nlattr * nl_combi)140 static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
141 struct nlattr *nl_combi)
142 {
143 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
144 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
145 struct nlattr *nl_limit, *nl_mode;
146 int err, rem_limit, rem_mode;
147 int combination_has_p2p = 0, combination_has_mgd = 0;
148 static struct nla_policy
149 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
150 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
151 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
152 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
153 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
154 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
155 },
156 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
157 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
158 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
159 };
160
161 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
162 nl_combi, iface_combination_policy);
163 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
164 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
165 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
166 return 0; /* broken combination */
167
168 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
169 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
170
171 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
172 rem_limit) {
173 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
174 nl_limit, iface_limit_policy);
175 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
176 return 0; /* broken combination */
177
178 nla_for_each_nested(nl_mode,
179 tb_limit[NL80211_IFACE_LIMIT_TYPES],
180 rem_mode) {
181 int ift = nla_type(nl_mode);
182 if (ift == NL80211_IFTYPE_P2P_GO ||
183 ift == NL80211_IFTYPE_P2P_CLIENT)
184 combination_has_p2p = 1;
185 if (ift == NL80211_IFTYPE_STATION)
186 combination_has_mgd = 1;
187 }
188 if (combination_has_p2p && combination_has_mgd)
189 break;
190 }
191
192 if (combination_has_p2p && combination_has_mgd) {
193 unsigned int num_channels =
194 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
195
196 info->p2p_concurrent = 1;
197 if (info->num_multichan_concurrent < num_channels)
198 info->num_multichan_concurrent = num_channels;
199 }
200
201 return 0;
202 }
203
204
wiphy_info_iface_comb(struct wiphy_info_data * info,struct nlattr * tb)205 static void wiphy_info_iface_comb(struct wiphy_info_data *info,
206 struct nlattr *tb)
207 {
208 struct nlattr *nl_combi;
209 int rem_combi;
210
211 if (tb == NULL)
212 return;
213
214 nla_for_each_nested(nl_combi, tb, rem_combi) {
215 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
216 break;
217 }
218 }
219
220
wiphy_info_supp_cmds(struct wiphy_info_data * info,struct nlattr * tb)221 static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
222 struct nlattr *tb)
223 {
224 struct nlattr *nl_cmd;
225 int i;
226
227 if (tb == NULL)
228 return;
229
230 nla_for_each_nested(nl_cmd, tb, i) {
231 switch (nla_get_u32(nl_cmd)) {
232 case NL80211_CMD_AUTHENTICATE:
233 info->auth_supported = 1;
234 break;
235 case NL80211_CMD_CONNECT:
236 info->connect_supported = 1;
237 break;
238 case NL80211_CMD_START_SCHED_SCAN:
239 info->capa->sched_scan_supported = 1;
240 break;
241 case NL80211_CMD_PROBE_CLIENT:
242 info->poll_command_supported = 1;
243 break;
244 case NL80211_CMD_CHANNEL_SWITCH:
245 info->channel_switch_supported = 1;
246 break;
247 case NL80211_CMD_SET_QOS_MAP:
248 info->set_qos_map_supported = 1;
249 break;
250 case NL80211_CMD_UPDATE_FT_IES:
251 info->update_ft_ies_supported = 1;
252 break;
253 }
254 }
255 }
256
257
get_akm_suites_info(struct nlattr * tb)258 static unsigned int get_akm_suites_info(struct nlattr *tb)
259 {
260 int i, num;
261 unsigned int key_mgmt = 0;
262 u32 *akms;
263
264 if (!tb)
265 return 0;
266
267 num = nla_len(tb) / sizeof(u32);
268 akms = nla_data(tb);
269 for (i = 0; i < num; i++) {
270 switch (akms[i]) {
271 case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X:
272 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
273 WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
274 break;
275 case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X:
276 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
277 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
278 break;
279 case RSN_AUTH_KEY_MGMT_FT_802_1X:
280 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT;
281 break;
282 case RSN_AUTH_KEY_MGMT_FT_PSK:
283 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
284 break;
285 case RSN_AUTH_KEY_MGMT_802_1X_SHA256:
286 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_802_1X_SHA256;
287 break;
288 case RSN_AUTH_KEY_MGMT_PSK_SHA256:
289 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_PSK_SHA256;
290 break;
291 case RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE:
292 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_TPK_HANDSHAKE;
293 break;
294 case RSN_AUTH_KEY_MGMT_FT_SAE:
295 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_SAE;
296 break;
297 case RSN_AUTH_KEY_MGMT_FT_SAE_EXT_KEY:
298 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_SAE_EXT_KEY;
299 break;
300 case RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384:
301 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_802_1X_SHA384;
302 break;
303 case RSN_AUTH_KEY_MGMT_CCKM:
304 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_CCKM;
305 break;
306 case RSN_AUTH_KEY_MGMT_OSEN:
307 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OSEN;
308 break;
309 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B:
310 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B;
311 break;
312 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192:
313 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
314 break;
315 case RSN_AUTH_KEY_MGMT_OWE:
316 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE;
317 break;
318 case RSN_AUTH_KEY_MGMT_DPP:
319 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP;
320 break;
321 case RSN_AUTH_KEY_MGMT_FILS_SHA256:
322 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256;
323 break;
324 case RSN_AUTH_KEY_MGMT_FILS_SHA384:
325 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
326 break;
327 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256:
328 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256;
329 break;
330 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384:
331 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384;
332 break;
333 case RSN_AUTH_KEY_MGMT_SAE:
334 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE;
335 break;
336 case RSN_AUTH_KEY_MGMT_SAE_EXT_KEY:
337 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE_EXT_KEY;
338 break;
339 }
340 }
341
342 return key_mgmt;
343 }
344
345
get_iface_akm_suites_info(struct wiphy_info_data * info,struct nlattr * nl_akms)346 static void get_iface_akm_suites_info(struct wiphy_info_data *info,
347 struct nlattr *nl_akms)
348 {
349 struct nlattr *tb[NL80211_IFTYPE_AKM_ATTR_MAX + 1];
350 struct nlattr *nl_iftype;
351 unsigned int key_mgmt;
352 int i;
353
354 if (!nl_akms)
355 return;
356
357 nla_parse(tb, NL80211_IFTYPE_AKM_ATTR_MAX,
358 nla_data(nl_akms), nla_len(nl_akms), NULL);
359
360 if (!tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES] ||
361 !tb[NL80211_IFTYPE_AKM_ATTR_SUITES])
362 return;
363
364 info->has_key_mgmt_iftype = 1;
365 key_mgmt = get_akm_suites_info(tb[NL80211_IFTYPE_AKM_ATTR_SUITES]);
366
367 nla_for_each_nested(nl_iftype, tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES], i) {
368 switch (nla_type(nl_iftype)) {
369 case NL80211_IFTYPE_ADHOC:
370 info->drv->capa.key_mgmt_iftype[WPA_IF_IBSS] = key_mgmt;
371 break;
372 case NL80211_IFTYPE_STATION:
373 info->drv->capa.key_mgmt_iftype[WPA_IF_STATION] =
374 key_mgmt;
375 break;
376 case NL80211_IFTYPE_AP:
377 info->drv->capa.key_mgmt_iftype[WPA_IF_AP_BSS] =
378 key_mgmt;
379 break;
380 case NL80211_IFTYPE_AP_VLAN:
381 info->drv->capa.key_mgmt_iftype[WPA_IF_AP_VLAN] =
382 key_mgmt;
383 break;
384 case NL80211_IFTYPE_MESH_POINT:
385 info->drv->capa.key_mgmt_iftype[WPA_IF_MESH] = key_mgmt;
386 break;
387 case NL80211_IFTYPE_P2P_CLIENT:
388 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_CLIENT] =
389 key_mgmt;
390 break;
391 case NL80211_IFTYPE_P2P_GO:
392 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_GO] =
393 key_mgmt;
394 break;
395 case NL80211_IFTYPE_P2P_DEVICE:
396 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_DEVICE] =
397 key_mgmt;
398 break;
399 case NL80211_IFTYPE_NAN:
400 info->drv->capa.key_mgmt_iftype[WPA_IF_NAN] = key_mgmt;
401 break;
402 }
403 wpa_printf(MSG_DEBUG, "nl80211: %s supported key_mgmt 0x%x",
404 nl80211_iftype_str(nla_type(nl_iftype)),
405 key_mgmt);
406 }
407 }
408
409
wiphy_info_iftype_akm_suites(struct wiphy_info_data * info,struct nlattr * tb)410 static void wiphy_info_iftype_akm_suites(struct wiphy_info_data *info,
411 struct nlattr *tb)
412 {
413 struct nlattr *nl_if;
414 int rem_if;
415
416 if (!tb)
417 return;
418
419 nla_for_each_nested(nl_if, tb, rem_if)
420 get_iface_akm_suites_info(info, nl_if);
421 }
422
423
wiphy_info_akm_suites(struct wiphy_info_data * info,struct nlattr * tb)424 static void wiphy_info_akm_suites(struct wiphy_info_data *info,
425 struct nlattr *tb)
426 {
427 if (!tb)
428 return;
429
430 info->has_key_mgmt = 1;
431 info->capa->key_mgmt = get_akm_suites_info(tb);
432 wpa_printf(MSG_DEBUG, "nl80211: wiphy supported key_mgmt 0x%x",
433 info->capa->key_mgmt);
434 }
435
436
wiphy_info_cipher_suites(struct wiphy_info_data * info,struct nlattr * tb)437 static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
438 struct nlattr *tb)
439 {
440 int i, num;
441 u32 *ciphers;
442
443 if (tb == NULL)
444 return;
445
446 num = nla_len(tb) / sizeof(u32);
447 ciphers = nla_data(tb);
448 for (i = 0; i < num; i++) {
449 u32 c = ciphers[i];
450
451 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
452 c >> 24, (c >> 16) & 0xff,
453 (c >> 8) & 0xff, c & 0xff);
454 switch (c) {
455 case RSN_CIPHER_SUITE_CCMP_256:
456 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
457 break;
458 case RSN_CIPHER_SUITE_GCMP_256:
459 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
460 break;
461 case RSN_CIPHER_SUITE_CCMP:
462 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
463 break;
464 case RSN_CIPHER_SUITE_GCMP:
465 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
466 break;
467 case RSN_CIPHER_SUITE_TKIP:
468 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
469 break;
470 case RSN_CIPHER_SUITE_WEP104:
471 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
472 break;
473 case RSN_CIPHER_SUITE_WEP40:
474 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
475 break;
476 case RSN_CIPHER_SUITE_AES_128_CMAC:
477 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
478 break;
479 case RSN_CIPHER_SUITE_BIP_GMAC_128:
480 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
481 break;
482 case RSN_CIPHER_SUITE_BIP_GMAC_256:
483 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
484 break;
485 case RSN_CIPHER_SUITE_BIP_CMAC_256:
486 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
487 break;
488 case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED:
489 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
490 break;
491 }
492 }
493 }
494
495
wiphy_info_max_roc(struct wpa_driver_capa * capa,struct nlattr * tb)496 static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
497 struct nlattr *tb)
498 {
499 if (tb)
500 capa->max_remain_on_chan = nla_get_u32(tb);
501 }
502
503
wiphy_info_tdls(struct wpa_driver_capa * capa,struct nlattr * tdls,struct nlattr * ext_setup)504 static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
505 struct nlattr *ext_setup)
506 {
507 if (tdls == NULL)
508 return;
509
510 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
511 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
512
513 if (ext_setup) {
514 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
515 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
516 }
517 }
518
519
ext_feature_isset(const u8 * ext_features,int ext_features_len,enum nl80211_ext_feature_index ftidx)520 static int ext_feature_isset(const u8 *ext_features, int ext_features_len,
521 enum nl80211_ext_feature_index ftidx)
522 {
523 u8 ft_byte;
524
525 if ((int) ftidx / 8 >= ext_features_len)
526 return 0;
527
528 ft_byte = ext_features[ftidx / 8];
529 return (ft_byte & BIT(ftidx % 8)) != 0;
530 }
531
532
wiphy_info_ext_feature_flags(struct wiphy_info_data * info,struct nlattr * tb)533 static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
534 struct nlattr *tb)
535 {
536 struct wpa_driver_capa *capa = info->capa;
537 u8 *ext_features;
538 int len;
539
540 if (tb == NULL)
541 return;
542
543 ext_features = nla_data(tb);
544 len = nla_len(tb);
545
546 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS))
547 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
548
549 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
550 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
551
552 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA))
553 capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS;
554
555 if (ext_feature_isset(ext_features, len,
556 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
557 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY;
558
559 if (ext_feature_isset(ext_features, len,
560 NL80211_EXT_FEATURE_BEACON_RATE_HT))
561 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT;
562
563 if (ext_feature_isset(ext_features, len,
564 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
565 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT;
566
567 if (ext_feature_isset(ext_features, len,
568 NL80211_EXT_FEATURE_BEACON_RATE_HE))
569 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_RATE_HE;
570
571 if (ext_feature_isset(ext_features, len,
572 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
573 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL;
574
575 if (ext_feature_isset(ext_features, len,
576 NL80211_EXT_FEATURE_SCAN_START_TIME) &&
577 ext_feature_isset(ext_features, len,
578 NL80211_EXT_FEATURE_BSS_PARENT_TSF) &&
579 ext_feature_isset(ext_features, len,
580 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
581 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT;
582 if (ext_feature_isset(ext_features, len,
583 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
584 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA;
585 if (ext_feature_isset(ext_features, len,
586 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
587 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED;
588 if (ext_feature_isset(ext_features, len,
589 NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI))
590 capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI;
591 if (ext_feature_isset(ext_features, len,
592 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD))
593 capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD;
594
595 if (ext_feature_isset(ext_features, len,
596 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
597 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK;
598 if (ext_feature_isset(ext_features, len,
599 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
600 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X;
601
602 if (ext_feature_isset(ext_features, len,
603 NL80211_EXT_FEATURE_SAE_OFFLOAD))
604 capa->flags2 |= WPA_DRIVER_FLAGS2_SAE_OFFLOAD_STA;
605
606 if (ext_feature_isset(ext_features, len,
607 NL80211_EXT_FEATURE_MFP_OPTIONAL))
608 capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL;
609
610 if (ext_feature_isset(ext_features, len,
611 NL80211_EXT_FEATURE_DFS_OFFLOAD))
612 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
613
614 #ifdef CONFIG_MBO
615 if (ext_feature_isset(ext_features, len,
616 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) &&
617 ext_feature_isset(ext_features, len,
618 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) &&
619 ext_feature_isset(ext_features, len,
620 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) &&
621 ext_feature_isset(
622 ext_features, len,
623 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION))
624 capa->flags |= WPA_DRIVER_FLAGS_OCE_STA;
625 #endif /* CONFIG_MBO */
626
627 if (ext_feature_isset(ext_features, len,
628 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
629 capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER;
630
631 if (ext_feature_isset(ext_features, len,
632 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
633 capa->flags |= WPA_DRIVER_FLAGS_CONTROL_PORT;
634 if (ext_feature_isset(ext_features, len,
635 NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH))
636 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_RX;
637 if (ext_feature_isset(
638 ext_features, len,
639 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS))
640 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS;
641
642 if (ext_feature_isset(ext_features, len,
643 NL80211_EXT_FEATURE_VLAN_OFFLOAD))
644 capa->flags |= WPA_DRIVER_FLAGS_VLAN_OFFLOAD;
645
646 if (ext_feature_isset(ext_features, len,
647 NL80211_EXT_FEATURE_CAN_REPLACE_PTK0))
648 capa->flags |= WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS;
649
650 if (ext_feature_isset(ext_features, len,
651 NL80211_EXT_FEATURE_BEACON_PROTECTION))
652 capa->flags |= WPA_DRIVER_FLAGS_BEACON_PROTECTION;
653
654 if (ext_feature_isset(ext_features, len,
655 NL80211_EXT_FEATURE_EXT_KEY_ID))
656 capa->flags |= WPA_DRIVER_FLAGS_EXTENDED_KEY_ID;
657
658 if (ext_feature_isset(ext_features, len,
659 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS))
660 info->drv->multicast_registrations = 1;
661
662 if (ext_feature_isset(ext_features, len,
663 NL80211_EXT_FEATURE_FILS_DISCOVERY))
664 info->drv->fils_discovery = 1;
665
666 if (ext_feature_isset(ext_features, len,
667 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
668 info->drv->unsol_bcast_probe_resp = 1;
669
670 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_PUNCT))
671 info->drv->puncturing = 1;
672
673 if (ext_feature_isset(ext_features, len,
674 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
675 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT;
676
677 if (ext_feature_isset(ext_features, len,
678 NL80211_EXT_FEATURE_OPERATING_CHANNEL_VALIDATION))
679 capa->flags2 |= WPA_DRIVER_FLAGS2_OCV;
680
681 if (ext_feature_isset(ext_features, len,
682 NL80211_EXT_FEATURE_RADAR_BACKGROUND))
683 capa->flags2 |= WPA_DRIVER_FLAGS2_RADAR_BACKGROUND;
684
685 if (ext_feature_isset(ext_features, len,
686 NL80211_EXT_FEATURE_SECURE_LTF)) {
687 capa->flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_STA;
688 capa->flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_AP;
689 }
690
691 if (ext_feature_isset(ext_features, len,
692 NL80211_EXT_FEATURE_SECURE_RTT)) {
693 capa->flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_STA;
694 capa->flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_AP;
695 }
696
697 if (ext_feature_isset(
698 ext_features, len,
699 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE)) {
700 capa->flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_STA;
701 capa->flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP;
702 }
703
704 if (ext_feature_isset(ext_features, len,
705 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
706 capa->flags2 |= WPA_DRIVER_FLAGS2_SCAN_MIN_PREQ;
707
708 if (ext_feature_isset(ext_features, len,
709 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK))
710 capa->flags2 |= WPA_DRIVER_FLAGS2_4WAY_HANDSHAKE_AP_PSK;
711
712 if (ext_feature_isset(ext_features, len,
713 NL80211_EXT_FEATURE_OWE_OFFLOAD))
714 capa->flags2 |= WPA_DRIVER_FLAGS2_OWE_OFFLOAD_STA;
715
716 if (ext_feature_isset(ext_features, len,
717 NL80211_EXT_FEATURE_OWE_OFFLOAD_AP))
718 capa->flags2 |= WPA_DRIVER_FLAGS2_OWE_OFFLOAD_AP;
719
720 if (ext_feature_isset(ext_features, len,
721 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
722 capa->flags2 |= WPA_DRIVER_FLAGS2_SAE_OFFLOAD_AP;
723 }
724
725
wiphy_info_feature_flags(struct wiphy_info_data * info,struct nlattr * tb)726 static void wiphy_info_feature_flags(struct wiphy_info_data *info,
727 struct nlattr *tb)
728 {
729 u32 flags;
730 struct wpa_driver_capa *capa = info->capa;
731
732 if (tb == NULL)
733 return;
734
735 flags = nla_get_u32(tb);
736
737 if (flags & NL80211_FEATURE_SK_TX_STATUS)
738 info->data_tx_status = 1;
739
740 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
741 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
742
743 if (flags & NL80211_FEATURE_SAE)
744 capa->flags |= WPA_DRIVER_FLAGS_SAE;
745
746 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
747 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
748
749 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
750 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
751
752 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
753 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
754 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
755 }
756
757 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
758 info->p2p_go_ctwindow_supported = 1;
759
760 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
761 info->have_low_prio_scan = 1;
762
763 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
764 info->mac_addr_rand_scan_supported = 1;
765
766 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
767 info->mac_addr_rand_sched_scan_supported = 1;
768
769 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
770 info->wmm_ac_supported = 1;
771
772 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
773 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
774
775 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
776 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
777
778 if (flags & NL80211_FEATURE_QUIET)
779 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
780
781 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
782 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
783
784 if (flags & NL80211_FEATURE_HT_IBSS)
785 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
786
787 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
788 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
789 }
790
791
wiphy_info_probe_resp_offload(struct wpa_driver_capa * capa,struct nlattr * tb)792 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
793 struct nlattr *tb)
794 {
795 u32 protocols;
796
797 if (tb == NULL)
798 return;
799
800 protocols = nla_get_u32(tb);
801 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
802 "mode");
803 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
804 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
805 }
806
807
wiphy_info_wowlan_triggers(struct wpa_driver_capa * capa,struct nlattr * tb)808 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
809 struct nlattr *tb)
810 {
811 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
812
813 if (tb == NULL)
814 return;
815
816 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
817 tb, NULL))
818 return;
819
820 if (triggers[NL80211_WOWLAN_TRIG_ANY])
821 capa->wowlan_triggers.any = 1;
822 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
823 capa->wowlan_triggers.disconnect = 1;
824 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
825 capa->wowlan_triggers.magic_pkt = 1;
826 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
827 capa->wowlan_triggers.gtk_rekey_failure = 1;
828 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
829 capa->wowlan_triggers.eap_identity_req = 1;
830 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
831 capa->wowlan_triggers.four_way_handshake = 1;
832 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
833 capa->wowlan_triggers.rfkill_release = 1;
834 }
835
836
wiphy_info_extended_capab(struct wpa_driver_nl80211_data * drv,struct nlattr * tb)837 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
838 struct nlattr *tb)
839 {
840 int rem = 0, i;
841 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
842
843 if (!tb || drv->num_iface_capa == NL80211_IFTYPE_MAX)
844 return;
845
846 nla_for_each_nested(attr, tb, rem) {
847 unsigned int len;
848 struct drv_nl80211_iface_capa *capa;
849
850 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
851 nla_len(attr), NULL);
852
853 if (!tb1[NL80211_ATTR_IFTYPE] ||
854 !tb1[NL80211_ATTR_EXT_CAPA] ||
855 !tb1[NL80211_ATTR_EXT_CAPA_MASK])
856 continue;
857
858 capa = &drv->iface_capa[drv->num_iface_capa];
859 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
860 wpa_printf(MSG_DEBUG,
861 "nl80211: Driver-advertised extended capabilities for interface type %s",
862 nl80211_iftype_str(capa->iftype));
863
864 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
865 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
866 len);
867 if (!capa->ext_capa)
868 goto err;
869
870 capa->ext_capa_len = len;
871 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
872 capa->ext_capa, capa->ext_capa_len);
873
874 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
875 capa->ext_capa_mask =
876 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]),
877 len);
878 if (!capa->ext_capa_mask)
879 goto err;
880
881 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
882 capa->ext_capa_mask, capa->ext_capa_len);
883
884 if (tb1[NL80211_ATTR_EML_CAPABILITY] &&
885 tb1[NL80211_ATTR_MLD_CAPA_AND_OPS]) {
886 capa->eml_capa =
887 nla_get_u16(tb1[NL80211_ATTR_EML_CAPABILITY]);
888 capa->mld_capa_and_ops =
889 nla_get_u16(tb1[NL80211_ATTR_MLD_CAPA_AND_OPS]);
890 }
891
892 wpa_printf(MSG_DEBUG,
893 "nl80211: EML Capability: 0x%x MLD Capability: 0x%x",
894 capa->eml_capa, capa->mld_capa_and_ops);
895
896 drv->num_iface_capa++;
897 if (drv->num_iface_capa == NL80211_IFTYPE_MAX)
898 break;
899 }
900
901 return;
902
903 err:
904 /* Cleanup allocated memory on error */
905 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
906 os_free(drv->iface_capa[i].ext_capa);
907 drv->iface_capa[i].ext_capa = NULL;
908 os_free(drv->iface_capa[i].ext_capa_mask);
909 drv->iface_capa[i].ext_capa_mask = NULL;
910 drv->iface_capa[i].ext_capa_len = 0;
911 }
912 drv->num_iface_capa = 0;
913 }
914
915
wiphy_info_mbssid(struct wpa_driver_capa * cap,struct nlattr * attr)916 static void wiphy_info_mbssid(struct wpa_driver_capa *cap, struct nlattr *attr)
917 {
918 struct nlattr *config[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
919
920 if (nla_parse_nested(config, NL80211_MBSSID_CONFIG_ATTR_MAX, attr,
921 NULL))
922 return;
923
924 if (!config[NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES])
925 return;
926
927 cap->mbssid_max_interfaces =
928 nla_get_u8(config[NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES]);
929
930 if (config[NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY])
931 cap->ema_max_periodicity =
932 nla_get_u8(config[NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY]);
933
934 wpa_printf(MSG_DEBUG,
935 "mbssid: max interfaces %u, max profile periodicity %u",
936 cap->mbssid_max_interfaces, cap->ema_max_periodicity);
937 }
938
939
wiphy_info_handler(struct nl_msg * msg,void * arg)940 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
941 {
942 struct nlattr *tb[NL80211_ATTR_MAX + 1];
943 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
944 struct wiphy_info_data *info = arg;
945 struct wpa_driver_capa *capa = info->capa;
946 struct wpa_driver_nl80211_data *drv = info->drv;
947
948 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
949 genlmsg_attrlen(gnlh, 0), NULL);
950
951 if (tb[NL80211_ATTR_WIPHY])
952 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
953
954 if (tb[NL80211_ATTR_WIPHY_NAME])
955 os_strlcpy(drv->phyname,
956 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
957 sizeof(drv->phyname));
958 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
959 capa->max_scan_ssids =
960 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
961
962 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
963 capa->max_sched_scan_ssids =
964 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
965
966 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
967 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
968 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
969 capa->max_sched_scan_plans =
970 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
971
972 capa->max_sched_scan_plan_interval =
973 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
974
975 capa->max_sched_scan_plan_iterations =
976 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
977 }
978
979 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
980 capa->max_match_sets =
981 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
982
983 if (tb[NL80211_ATTR_MAC_ACL_MAX])
984 capa->max_acl_mac_addrs =
985 nla_get_u32(tb[NL80211_ATTR_MAC_ACL_MAX]);
986
987 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
988 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
989 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
990 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
991 wiphy_info_akm_suites(info, tb[NL80211_ATTR_AKM_SUITES]);
992 wiphy_info_iftype_akm_suites(info, tb[NL80211_ATTR_IFTYPE_AKM_SUITES]);
993
994 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
995 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
996 "off-channel TX");
997 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
998 }
999
1000 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
1001 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
1002 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
1003 }
1004
1005 wiphy_info_max_roc(capa,
1006 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
1007
1008 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
1009 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
1010
1011 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
1012 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
1013
1014 if (tb[NL80211_ATTR_DEVICE_AP_SME]) {
1015 u32 ap_sme_features_flags =
1016 nla_get_u32(tb[NL80211_ATTR_DEVICE_AP_SME]);
1017
1018 if (ap_sme_features_flags & NL80211_AP_SME_SA_QUERY_OFFLOAD)
1019 capa->flags2 |= WPA_DRIVER_FLAGS2_SA_QUERY_OFFLOAD_AP;
1020
1021 info->device_ap_sme = 1;
1022 }
1023
1024 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
1025 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
1026 wiphy_info_probe_resp_offload(capa,
1027 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
1028
1029 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
1030 drv->extended_capa == NULL) {
1031 drv->extended_capa =
1032 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
1033 if (drv->extended_capa) {
1034 os_memcpy(drv->extended_capa,
1035 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
1036 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
1037 drv->extended_capa_len =
1038 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
1039 wpa_hexdump(MSG_DEBUG,
1040 "nl80211: Driver-advertised extended capabilities (default)",
1041 drv->extended_capa, drv->extended_capa_len);
1042 }
1043 drv->extended_capa_mask =
1044 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
1045 if (drv->extended_capa_mask) {
1046 os_memcpy(drv->extended_capa_mask,
1047 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
1048 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
1049 wpa_hexdump(MSG_DEBUG,
1050 "nl80211: Driver-advertised extended capabilities mask (default)",
1051 drv->extended_capa_mask,
1052 drv->extended_capa_len);
1053 } else {
1054 os_free(drv->extended_capa);
1055 drv->extended_capa = NULL;
1056 drv->extended_capa_len = 0;
1057 }
1058 }
1059
1060 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
1061
1062 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1063 struct nlattr *nl;
1064 int rem;
1065
1066 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
1067 struct nl80211_vendor_cmd_info *vinfo;
1068 if (nla_len(nl) != sizeof(*vinfo)) {
1069 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1070 continue;
1071 }
1072 vinfo = nla_data(nl);
1073 if (vinfo->vendor_id == OUI_QCA) {
1074 switch (vinfo->subcmd) {
1075 case QCA_NL80211_VENDOR_SUBCMD_TEST:
1076 drv->vendor_cmd_test_avail = 1;
1077 break;
1078 #ifdef CONFIG_DRIVER_NL80211_QCA
1079 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
1080 drv->roaming_vendor_cmd_avail = 1;
1081 break;
1082 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
1083 drv->dfs_vendor_cmd_avail = 1;
1084 break;
1085 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
1086 drv->get_features_vendor_cmd_avail = 1;
1087 break;
1088 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
1089 drv->get_pref_freq_list = 1;
1090 break;
1091 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
1092 drv->set_prob_oper_freq = 1;
1093 break;
1094 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
1095 drv->capa.flags |=
1096 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1097 drv->qca_do_acs = 1;
1098 break;
1099 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
1100 drv->setband_vendor_cmd_avail = 1;
1101 break;
1102 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
1103 drv->scan_vendor_cmd_avail = 1;
1104 break;
1105 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
1106 drv->set_wifi_conf_vendor_cmd_avail = 1;
1107 break;
1108 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS:
1109 drv->fetch_bss_trans_status = 1;
1110 break;
1111 case QCA_NL80211_VENDOR_SUBCMD_ROAM:
1112 drv->roam_vendor_cmd_avail = 1;
1113 break;
1114 case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE:
1115 drv->add_sta_node_vendor_cmd_avail = 1;
1116 break;
1117 case QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO:
1118 drv->get_sta_info_vendor_cmd_avail = 1;
1119 break;
1120 case QCA_NL80211_VENDOR_SUBCMD_SECURE_RANGING_CONTEXT:
1121 drv->secure_ranging_ctx_vendor_cmd_avail = 1;
1122 break;
1123 #endif /* CONFIG_DRIVER_NL80211_QCA */
1124 }
1125 #ifdef CONFIG_DRIVER_NL80211_BRCM
1126 } else if (vinfo->vendor_id == OUI_BRCM) {
1127 switch (vinfo->subcmd) {
1128 case BRCM_VENDOR_SCMD_ACS:
1129 drv->capa.flags |=
1130 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1131 wpa_printf(MSG_DEBUG,
1132 "Enabled BRCM ACS");
1133 drv->brcm_do_acs = 1;
1134 break;
1135 }
1136 #endif /* CONFIG_DRIVER_NL80211_BRCM */
1137 }
1138
1139 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
1140 vinfo->vendor_id, vinfo->subcmd);
1141 }
1142 }
1143
1144 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
1145 struct nlattr *nl;
1146 int rem;
1147
1148 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
1149 struct nl80211_vendor_cmd_info *vinfo;
1150 if (nla_len(nl) != sizeof(*vinfo)) {
1151 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1152 continue;
1153 }
1154 vinfo = nla_data(nl);
1155 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
1156 vinfo->vendor_id, vinfo->subcmd);
1157 }
1158 }
1159
1160 wiphy_info_wowlan_triggers(capa,
1161 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
1162
1163 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
1164 capa->max_stations =
1165 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
1166
1167 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
1168 capa->max_csa_counters =
1169 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
1170
1171 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG])
1172 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY;
1173
1174 if (tb[NL80211_ATTR_MAX_NUM_AKM_SUITES])
1175 capa->max_num_akms =
1176 nla_get_u16(tb[NL80211_ATTR_MAX_NUM_AKM_SUITES]);
1177
1178 if (tb[NL80211_ATTR_MBSSID_CONFIG])
1179 wiphy_info_mbssid(capa, tb[NL80211_ATTR_MBSSID_CONFIG]);
1180
1181 if (tb[NL80211_ATTR_MLO_SUPPORT])
1182 capa->flags2 |= WPA_DRIVER_FLAGS2_MLO;
1183
1184 return NL_SKIP;
1185 }
1186
1187
wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data * drv,struct wiphy_info_data * info)1188 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
1189 struct wiphy_info_data *info)
1190 {
1191 u32 feat;
1192 struct nl_msg *msg;
1193 int flags = 0;
1194
1195 os_memset(info, 0, sizeof(*info));
1196 info->capa = &drv->capa;
1197 info->drv = drv;
1198
1199 feat = get_nl80211_protocol_features(drv);
1200 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1201 flags = NLM_F_DUMP;
1202 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
1203 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1204 nlmsg_free(msg);
1205 return -1;
1206 }
1207
1208 if (send_and_recv_resp(drv, msg, wiphy_info_handler, info))
1209 return -1;
1210
1211 if (info->auth_supported)
1212 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
1213 else if (!info->connect_supported) {
1214 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
1215 "authentication/association or connect commands");
1216 info->error = 1;
1217 }
1218
1219 if (info->p2p_go_supported && info->p2p_client_supported)
1220 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
1221 if (info->p2p_concurrent) {
1222 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
1223 "interface (driver advertised support)");
1224 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
1225 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
1226 }
1227 if (info->num_multichan_concurrent > 1) {
1228 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
1229 "concurrent (driver advertised support)");
1230 drv->capa.num_multichan_concurrent =
1231 info->num_multichan_concurrent;
1232 }
1233 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
1234 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
1235
1236 /* default to 5000 since early versions of mac80211 don't set it */
1237 if (!drv->capa.max_remain_on_chan)
1238 drv->capa.max_remain_on_chan = 5000;
1239
1240 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
1241
1242 drv->capa.mac_addr_rand_sched_scan_supported =
1243 info->mac_addr_rand_sched_scan_supported;
1244 drv->capa.mac_addr_rand_scan_supported =
1245 info->mac_addr_rand_scan_supported;
1246
1247 if (info->channel_switch_supported) {
1248 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
1249 if (!drv->capa.max_csa_counters)
1250 drv->capa.max_csa_counters = 1;
1251 }
1252
1253 if (!drv->capa.max_sched_scan_plans) {
1254 drv->capa.max_sched_scan_plans = 1;
1255 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
1256 drv->capa.max_sched_scan_plan_iterations = 0;
1257 }
1258
1259 if (info->update_ft_ies_supported)
1260 drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES;
1261
1262 if (!drv->capa.max_num_akms)
1263 drv->capa.max_num_akms = NL80211_MAX_NR_AKM_SUITES;
1264
1265 return 0;
1266 }
1267
1268
1269 #ifdef CONFIG_DRIVER_NL80211_QCA
1270
dfs_info_handler(struct nl_msg * msg,void * arg)1271 static int dfs_info_handler(struct nl_msg *msg, void *arg)
1272 {
1273 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1274 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1275 int *dfs_capability_ptr = arg;
1276
1277 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1278 genlmsg_attrlen(gnlh, 0), NULL);
1279
1280 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1281 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1282 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1283
1284 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1285 nla_data(nl_vend), nla_len(nl_vend), NULL);
1286
1287 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
1288 u32 val;
1289 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
1290 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
1291 val);
1292 *dfs_capability_ptr = val;
1293 }
1294 }
1295
1296 return NL_SKIP;
1297 }
1298
1299
qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data * drv)1300 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
1301 {
1302 struct nl_msg *msg;
1303 int dfs_capability = 0;
1304 int ret;
1305
1306 if (!drv->dfs_vendor_cmd_avail)
1307 return;
1308
1309 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1310 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1311 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1312 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
1313 nlmsg_free(msg);
1314 return;
1315 }
1316
1317 ret = send_and_recv_resp(drv, msg, dfs_info_handler, &dfs_capability);
1318 if (!ret && dfs_capability)
1319 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
1320 }
1321
1322
1323 struct features_info {
1324 u8 *flags;
1325 size_t flags_len;
1326 struct wpa_driver_capa *capa;
1327 };
1328
1329
features_info_handler(struct nl_msg * msg,void * arg)1330 static int features_info_handler(struct nl_msg *msg, void *arg)
1331 {
1332 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1333 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1334 struct features_info *info = arg;
1335 struct nlattr *nl_vend, *attr;
1336
1337 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1338 genlmsg_attrlen(gnlh, 0), NULL);
1339
1340 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1341 if (nl_vend) {
1342 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1343
1344 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1345 nla_data(nl_vend), nla_len(nl_vend), NULL);
1346
1347 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
1348 if (attr) {
1349 int len = nla_len(attr);
1350 info->flags = os_malloc(len);
1351 if (info->flags != NULL) {
1352 os_memcpy(info->flags, nla_data(attr), len);
1353 info->flags_len = len;
1354 }
1355 }
1356 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
1357 if (attr)
1358 info->capa->conc_capab = nla_get_u32(attr);
1359
1360 attr = tb_vendor[
1361 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
1362 if (attr)
1363 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
1364
1365 attr = tb_vendor[
1366 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
1367 if (attr)
1368 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
1369 }
1370
1371 return NL_SKIP;
1372 }
1373
1374
check_feature(enum qca_wlan_vendor_features feature,struct features_info * info)1375 static int check_feature(enum qca_wlan_vendor_features feature,
1376 struct features_info *info)
1377 {
1378 size_t idx = feature / 8;
1379
1380 return (idx < info->flags_len) &&
1381 (info->flags[idx] & BIT(feature % 8));
1382 }
1383
1384
qca_nl80211_get_features(struct wpa_driver_nl80211_data * drv)1385 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
1386 {
1387 struct nl_msg *msg;
1388 struct features_info info;
1389 int ret;
1390
1391 if (!drv->get_features_vendor_cmd_avail)
1392 return;
1393
1394 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1395 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1396 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1397 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
1398 nlmsg_free(msg);
1399 return;
1400 }
1401
1402 os_memset(&info, 0, sizeof(info));
1403 info.capa = &drv->capa;
1404 ret = send_and_recv_resp(drv, msg, features_info_handler, &info);
1405 if (ret || !info.flags)
1406 return;
1407
1408 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
1409 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
1410
1411 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
1412 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1413
1414 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
1415 &info))
1416 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1417 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
1418 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
1419 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info))
1420 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA;
1421 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info))
1422 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP;
1423 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info))
1424 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON;
1425 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_LTF_STA, &info))
1426 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_STA;
1427 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_LTF_AP, &info))
1428 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_AP;
1429 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_RTT_STA, &info))
1430 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_STA;
1431 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_RTT_AP, &info))
1432 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_AP;
1433 if (check_feature(
1434 QCA_WLAN_VENDOR_FEATURE_PROT_RANGE_NEGO_AND_MEASURE_STA,
1435 &info))
1436 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_STA;
1437 if (check_feature(
1438 QCA_WLAN_VENDOR_FEATURE_PROT_RANGE_NEGO_AND_MEASURE_AP,
1439 &info))
1440 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP;
1441 if (check_feature(QCA_WLAN_VENDOR_FEATURE_AP_ALLOWED_FREQ_LIST,
1442 &info))
1443 drv->qca_ap_allowed_freqs = 1;
1444 if (check_feature(QCA_WLAN_VENDOR_FEATURE_HT_VHT_TWT_RESPONDER, &info))
1445 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_HT_VHT_TWT_RESPONDER;
1446 os_free(info.flags);
1447 }
1448
1449 #endif /* CONFIG_DRIVER_NL80211_QCA */
1450
1451
wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data * drv)1452 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
1453 {
1454 struct wiphy_info_data info;
1455 int i;
1456
1457 if (wpa_driver_nl80211_get_info(drv, &info))
1458 return -1;
1459
1460 if (info.error)
1461 return -1;
1462
1463 drv->has_capability = 1;
1464 drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype;
1465
1466 /* Fallback to hardcoded defaults if the driver does not advertise any
1467 * AKM capabilities. */
1468 if (!drv->has_driver_key_mgmt) {
1469 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1470 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1471 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1472 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1473 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1474 WPA_DRIVER_CAPA_KEY_MGMT_OWE |
1475 WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1476
1477 if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
1478 WPA_DRIVER_CAPA_ENC_GCMP_256))
1479 drv->capa.key_mgmt |=
1480 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1481
1482 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
1483 drv->capa.key_mgmt |=
1484 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1485 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
1486 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
1487 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
1488 WPA_DRIVER_CAPA_KEY_MGMT_SAE;
1489 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
1490 drv->capa.key_mgmt |=
1491 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1492 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
1493 }
1494
1495 if (!info.has_key_mgmt_iftype) {
1496 /* If the driver does not advertize per interface AKM
1497 * capabilities, consider all interfaces to support default AKMs
1498 * in key_mgmt. */
1499 for (i = 0; i < WPA_IF_MAX; i++)
1500 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
1501 } else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) {
1502 /* If the driver advertizes only per interface supported AKMs
1503 * but does not advertize per wiphy AKM capabilities, consider
1504 * the default key_mgmt as a mask of per interface supported
1505 * AKMs. */
1506 drv->capa.key_mgmt = 0;
1507 for (i = 0; i < WPA_IF_MAX; i++)
1508 drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i];
1509 } else if (info.has_key_mgmt_iftype && info.has_key_mgmt) {
1510 /* If the driver advertizes AKM capabilities both per wiphy and
1511 * per interface, consider the interfaces for which per
1512 * interface AKM capabilities were not received to support the
1513 * default key_mgmt capabilities.
1514 */
1515 for (i = 0; i < WPA_IF_MAX; i++)
1516 if (!drv->capa.key_mgmt_iftype[i])
1517 drv->capa.key_mgmt_iftype[i] =
1518 drv->capa.key_mgmt;
1519 }
1520
1521 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1522 WPA_DRIVER_AUTH_SHARED |
1523 WPA_DRIVER_AUTH_LEAP;
1524
1525 drv->capa.flags |= WPA_DRIVER_FLAGS_VALID_ERROR_CODES;
1526 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1527 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1528
1529 /*
1530 * As all cfg80211 drivers must support cases where the AP interface is
1531 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1532 * case that the user space daemon has crashed, they must be able to
1533 * cleanup all stations and key entries in the AP tear down flow. Thus,
1534 * this flag can/should always be set for cfg80211 drivers.
1535 */
1536 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1537
1538 if (!info.device_ap_sme) {
1539 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1540 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_AP_SME;
1541
1542 /*
1543 * No AP SME is currently assumed to also indicate no AP MLME
1544 * in the driver/firmware.
1545 */
1546 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1547 }
1548
1549 drv->device_ap_sme = info.device_ap_sme;
1550 drv->poll_command_supported = info.poll_command_supported;
1551 drv->data_tx_status = info.data_tx_status;
1552 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1553 if (info.set_qos_map_supported)
1554 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1555 drv->have_low_prio_scan = info.have_low_prio_scan;
1556
1557 /*
1558 * If poll command and tx status are supported, mac80211 is new enough
1559 * to have everything we need to not need monitor interfaces.
1560 */
1561 drv->use_monitor = !info.device_ap_sme &&
1562 (!info.poll_command_supported || !info.data_tx_status);
1563
1564 /*
1565 * If we aren't going to use monitor interfaces, but the
1566 * driver doesn't support data TX status, we won't get TX
1567 * status for EAPOL frames.
1568 */
1569 if (!drv->use_monitor && !info.data_tx_status)
1570 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1571
1572 #ifdef CONFIG_DRIVER_NL80211_QCA
1573 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD))
1574 qca_nl80211_check_dfs_capa(drv);
1575 qca_nl80211_get_features(drv);
1576
1577 /*
1578 * To enable offchannel simultaneous support in wpa_supplicant, the
1579 * underlying driver needs to support the same along with offchannel TX.
1580 * Offchannel TX support is needed since remain_on_channel and
1581 * action_tx use some common data structures and hence cannot be
1582 * scheduled simultaneously.
1583 */
1584 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1585 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1586 #endif /* CONFIG_DRIVER_NL80211_QCA */
1587
1588 wpa_printf(MSG_DEBUG,
1589 "nl80211: key_mgmt=0x%x enc=0x%x auth=0x%x flags=0x%llx flags2=0x%llx rrm_flags=0x%x probe_resp_offloads=0x%x max_stations=%u max_remain_on_chan=%u max_scan_ssids=%d",
1590 drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth,
1591 (unsigned long long) drv->capa.flags,
1592 (unsigned long long) drv->capa.flags2, drv->capa.rrm_flags,
1593 drv->capa.probe_resp_offloads, drv->capa.max_stations,
1594 drv->capa.max_remain_on_chan, drv->capa.max_scan_ssids);
1595 return 0;
1596 }
1597
1598
1599 struct phy_info_arg {
1600 u16 *num_modes;
1601 struct hostapd_hw_modes *modes;
1602 int last_mode, last_chan_idx;
1603 int failed;
1604 u8 dfs_domain;
1605 };
1606
phy_info_ht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * ampdu_factor,struct nlattr * ampdu_density,struct nlattr * mcs_set)1607 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1608 struct nlattr *ampdu_factor,
1609 struct nlattr *ampdu_density,
1610 struct nlattr *mcs_set)
1611 {
1612 if (capa)
1613 mode->ht_capab = nla_get_u16(capa);
1614
1615 if (ampdu_factor)
1616 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1617
1618 if (ampdu_density)
1619 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1620
1621 if (mcs_set && nla_len(mcs_set) >= 16) {
1622 u8 *mcs;
1623 mcs = nla_data(mcs_set);
1624 os_memcpy(mode->mcs_set, mcs, 16);
1625 }
1626 }
1627
1628
phy_info_vht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * mcs_set)1629 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1630 struct nlattr *capa,
1631 struct nlattr *mcs_set)
1632 {
1633 if (capa)
1634 mode->vht_capab = nla_get_u32(capa);
1635
1636 if (mcs_set && nla_len(mcs_set) >= 8) {
1637 u8 *mcs;
1638 mcs = nla_data(mcs_set);
1639 os_memcpy(mode->vht_mcs_set, mcs, 8);
1640 }
1641 }
1642
1643
phy_info_edmg_capa(struct hostapd_hw_modes * mode,struct nlattr * bw_config,struct nlattr * channels)1644 static int phy_info_edmg_capa(struct hostapd_hw_modes *mode,
1645 struct nlattr *bw_config,
1646 struct nlattr *channels)
1647 {
1648 if (!bw_config || !channels)
1649 return NL_OK;
1650
1651 mode->edmg.bw_config = nla_get_u8(bw_config);
1652 mode->edmg.channels = nla_get_u8(channels);
1653
1654 if (!mode->edmg.channels || !mode->edmg.bw_config)
1655 return NL_STOP;
1656
1657 return NL_OK;
1658 }
1659
1660
cw2ecw(unsigned int cw)1661 static int cw2ecw(unsigned int cw)
1662 {
1663 int bit;
1664
1665 if (cw == 0)
1666 return 0;
1667
1668 for (bit = 1; cw != 1; bit++)
1669 cw >>= 1;
1670
1671 return bit;
1672 }
1673
1674
phy_info_freq(struct hostapd_hw_modes * mode,struct hostapd_channel_data * chan,struct nlattr * tb_freq[])1675 static void phy_info_freq(struct hostapd_hw_modes *mode,
1676 struct hostapd_channel_data *chan,
1677 struct nlattr *tb_freq[])
1678 {
1679 u8 channel;
1680
1681 os_memset(chan, 0, sizeof(*chan));
1682 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1683 chan->flag = 0;
1684 chan->allowed_bw = ~0;
1685 chan->dfs_cac_ms = 0;
1686 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1687 chan->chan = channel;
1688 else
1689 wpa_printf(MSG_DEBUG,
1690 "nl80211: No channel number found for frequency %u MHz",
1691 chan->freq);
1692
1693 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1694 chan->flag |= HOSTAPD_CHAN_DISABLED;
1695 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1696 chan->flag |= HOSTAPD_CHAN_NO_IR;
1697 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1698 chan->flag |= HOSTAPD_CHAN_RADAR;
1699 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1700 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1701 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1702 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1703
1704 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
1705 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10;
1706 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
1707 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20;
1708 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
1709 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P;
1710 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
1711 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M;
1712 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
1713 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80;
1714 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
1715 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160;
1716
1717 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1718 enum nl80211_dfs_state state =
1719 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1720
1721 switch (state) {
1722 case NL80211_DFS_USABLE:
1723 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1724 break;
1725 case NL80211_DFS_AVAILABLE:
1726 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1727 break;
1728 case NL80211_DFS_UNAVAILABLE:
1729 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1730 break;
1731 }
1732 }
1733
1734 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1735 chan->dfs_cac_ms = nla_get_u32(
1736 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1737 }
1738
1739 chan->wmm_rules_valid = 0;
1740 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) {
1741 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = {
1742 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 },
1743 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 },
1744 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
1745 [NL80211_WMMR_TXOP] = { .type = NLA_U16 },
1746 };
1747 static const u8 wmm_map[4] = {
1748 [NL80211_AC_BE] = WMM_AC_BE,
1749 [NL80211_AC_BK] = WMM_AC_BK,
1750 [NL80211_AC_VI] = WMM_AC_VI,
1751 [NL80211_AC_VO] = WMM_AC_VO,
1752 };
1753 struct nlattr *nl_wmm;
1754 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
1755 int rem_wmm, ac, count = 0;
1756
1757 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM],
1758 rem_wmm) {
1759 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm,
1760 wmm_policy)) {
1761 wpa_printf(MSG_DEBUG,
1762 "nl80211: Failed to parse WMM rules attribute");
1763 return;
1764 }
1765 if (!tb_wmm[NL80211_WMMR_CW_MIN] ||
1766 !tb_wmm[NL80211_WMMR_CW_MAX] ||
1767 !tb_wmm[NL80211_WMMR_AIFSN] ||
1768 !tb_wmm[NL80211_WMMR_TXOP]) {
1769 wpa_printf(MSG_DEBUG,
1770 "nl80211: Channel is missing WMM rule attribute");
1771 return;
1772 }
1773 ac = nl_wmm->nla_type;
1774 if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) {
1775 wpa_printf(MSG_DEBUG,
1776 "nl80211: Invalid AC value %d", ac);
1777 return;
1778 }
1779
1780 ac = wmm_map[ac];
1781 chan->wmm_rules[ac].min_cwmin =
1782 cw2ecw(nla_get_u16(
1783 tb_wmm[NL80211_WMMR_CW_MIN]));
1784 chan->wmm_rules[ac].min_cwmax =
1785 cw2ecw(nla_get_u16(
1786 tb_wmm[NL80211_WMMR_CW_MAX]));
1787 chan->wmm_rules[ac].min_aifs =
1788 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]);
1789 chan->wmm_rules[ac].max_txop =
1790 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32;
1791 count++;
1792 }
1793
1794 /* Set valid flag if all the AC rules are present */
1795 if (count == WMM_AC_NUM)
1796 chan->wmm_rules_valid = 1;
1797 }
1798 }
1799
1800
phy_info_freqs(struct phy_info_arg * phy_info,struct hostapd_hw_modes * mode,struct nlattr * tb)1801 static int phy_info_freqs(struct phy_info_arg *phy_info,
1802 struct hostapd_hw_modes *mode, struct nlattr *tb)
1803 {
1804 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1805 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1806 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1807 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1808 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1809 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1810 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1811 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG },
1812 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG },
1813 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG },
1814 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG },
1815 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG },
1816 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG },
1817 };
1818 int new_channels = 0;
1819 struct hostapd_channel_data *channel;
1820 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1821 struct nlattr *nl_freq;
1822 int rem_freq, idx;
1823
1824 if (tb == NULL)
1825 return NL_OK;
1826
1827 nla_for_each_nested(nl_freq, tb, rem_freq) {
1828 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1829 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1830 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1831 continue;
1832 new_channels++;
1833 }
1834
1835 channel = os_realloc_array(mode->channels,
1836 mode->num_channels + new_channels,
1837 sizeof(struct hostapd_channel_data));
1838 if (!channel)
1839 return NL_STOP;
1840
1841 mode->channels = channel;
1842 mode->num_channels += new_channels;
1843
1844 idx = phy_info->last_chan_idx;
1845
1846 nla_for_each_nested(nl_freq, tb, rem_freq) {
1847 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1848 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1849 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1850 continue;
1851 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1852 idx++;
1853 }
1854 phy_info->last_chan_idx = idx;
1855
1856 return NL_OK;
1857 }
1858
1859
phy_info_rates(struct hostapd_hw_modes * mode,struct nlattr * tb)1860 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1861 {
1862 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1863 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1864 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1865 { .type = NLA_FLAG },
1866 };
1867 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1868 struct nlattr *nl_rate;
1869 int rem_rate, idx;
1870
1871 if (tb == NULL)
1872 return NL_OK;
1873
1874 nla_for_each_nested(nl_rate, tb, rem_rate) {
1875 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1876 nla_data(nl_rate), nla_len(nl_rate),
1877 rate_policy);
1878 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1879 continue;
1880 mode->num_rates++;
1881 }
1882
1883 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1884 if (!mode->rates)
1885 return NL_STOP;
1886
1887 idx = 0;
1888
1889 nla_for_each_nested(nl_rate, tb, rem_rate) {
1890 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1891 nla_data(nl_rate), nla_len(nl_rate),
1892 rate_policy);
1893 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1894 continue;
1895 mode->rates[idx] = nla_get_u32(
1896 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1897 idx++;
1898 }
1899
1900 return NL_OK;
1901 }
1902
1903
phy_info_iftype_copy(struct hostapd_hw_modes * mode,enum ieee80211_op_mode opmode,struct nlattr ** tb,struct nlattr ** tb_flags)1904 static void phy_info_iftype_copy(struct hostapd_hw_modes *mode,
1905 enum ieee80211_op_mode opmode,
1906 struct nlattr **tb, struct nlattr **tb_flags)
1907 {
1908 enum nl80211_iftype iftype;
1909 size_t len;
1910 struct he_capabilities *he_capab = &mode->he_capab[opmode];
1911 struct eht_capabilities *eht_capab = &mode->eht_capab[opmode];
1912
1913 switch (opmode) {
1914 case IEEE80211_MODE_INFRA:
1915 iftype = NL80211_IFTYPE_STATION;
1916 break;
1917 case IEEE80211_MODE_IBSS:
1918 iftype = NL80211_IFTYPE_ADHOC;
1919 break;
1920 case IEEE80211_MODE_AP:
1921 iftype = NL80211_IFTYPE_AP;
1922 break;
1923 case IEEE80211_MODE_MESH:
1924 iftype = NL80211_IFTYPE_MESH_POINT;
1925 break;
1926 default:
1927 return;
1928 }
1929
1930 if (!nla_get_flag(tb_flags[iftype]))
1931 return;
1932
1933 he_capab->he_supported = 1;
1934
1935 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
1936 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
1937
1938 if (len > sizeof(he_capab->phy_cap))
1939 len = sizeof(he_capab->phy_cap);
1940 os_memcpy(he_capab->phy_cap,
1941 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
1942 len);
1943 }
1944
1945 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
1946 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
1947
1948 if (len > sizeof(he_capab->mac_cap))
1949 len = sizeof(he_capab->mac_cap);
1950 os_memcpy(he_capab->mac_cap,
1951 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
1952 len);
1953 }
1954
1955 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
1956 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
1957
1958 if (len > sizeof(he_capab->mcs))
1959 len = sizeof(he_capab->mcs);
1960 os_memcpy(he_capab->mcs,
1961 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
1962 len);
1963 }
1964
1965 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
1966 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
1967
1968 if (len > sizeof(he_capab->ppet))
1969 len = sizeof(he_capab->ppet);
1970 os_memcpy(&he_capab->ppet,
1971 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
1972 len);
1973 }
1974
1975 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]) {
1976 u16 capa;
1977
1978 capa = nla_get_u16(tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]);
1979 he_capab->he_6ghz_capa = le_to_host16(capa);
1980 }
1981
1982 if (!tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC] ||
1983 !tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY])
1984 return;
1985
1986 eht_capab->eht_supported = true;
1987
1988 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC] &&
1989 nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC]) >= 2) {
1990 const u8 *pos;
1991
1992 pos = nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC]);
1993 eht_capab->mac_cap = WPA_GET_LE16(pos);
1994 }
1995
1996 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]) {
1997 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]);
1998 if (len > sizeof(eht_capab->phy_cap))
1999 len = sizeof(eht_capab->phy_cap);
2000 os_memcpy(eht_capab->phy_cap,
2001 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]),
2002 len);
2003 }
2004
2005 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]) {
2006 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]);
2007 if (len > sizeof(eht_capab->mcs))
2008 len = sizeof(eht_capab->mcs);
2009 os_memcpy(eht_capab->mcs,
2010 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]),
2011 len);
2012 }
2013
2014 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]) {
2015 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]);
2016 if (len > sizeof(eht_capab->ppet))
2017 len = sizeof(eht_capab->ppet);
2018 os_memcpy(&eht_capab->ppet,
2019 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]),
2020 len);
2021 }
2022 }
2023
2024
phy_info_iftype(struct hostapd_hw_modes * mode,struct nlattr * nl_iftype)2025 static int phy_info_iftype(struct hostapd_hw_modes *mode,
2026 struct nlattr *nl_iftype)
2027 {
2028 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
2029 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
2030 unsigned int i;
2031
2032 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
2033 nla_data(nl_iftype), nla_len(nl_iftype), NULL);
2034
2035 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
2036 return NL_STOP;
2037
2038 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
2039 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
2040 return NL_STOP;
2041
2042 for (i = 0; i < IEEE80211_MODE_NUM; i++)
2043 phy_info_iftype_copy(mode, i, tb, tb_flags);
2044
2045 return NL_OK;
2046 }
2047
2048
phy_info_band(struct phy_info_arg * phy_info,struct nlattr * nl_band)2049 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
2050 {
2051 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
2052 struct hostapd_hw_modes *mode;
2053 int ret;
2054
2055 if (phy_info->last_mode != nl_band->nla_type) {
2056 mode = os_realloc_array(phy_info->modes,
2057 *phy_info->num_modes + 1,
2058 sizeof(*mode));
2059 if (!mode) {
2060 phy_info->failed = 1;
2061 return NL_STOP;
2062 }
2063 phy_info->modes = mode;
2064
2065 mode = &phy_info->modes[*(phy_info->num_modes)];
2066 os_memset(mode, 0, sizeof(*mode));
2067 mode->mode = NUM_HOSTAPD_MODES;
2068 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
2069 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN |
2070 HOSTAPD_MODE_FLAG_HE_INFO_KNOWN;
2071
2072 /*
2073 * Unsupported VHT MCS stream is defined as value 3, so the VHT
2074 * MCS RX/TX map must be initialized with 0xffff to mark all 8
2075 * possible streams as unsupported. This will be overridden if
2076 * driver advertises VHT support.
2077 */
2078 mode->vht_mcs_set[0] = 0xff;
2079 mode->vht_mcs_set[1] = 0xff;
2080 mode->vht_mcs_set[4] = 0xff;
2081 mode->vht_mcs_set[5] = 0xff;
2082
2083 *(phy_info->num_modes) += 1;
2084 phy_info->last_mode = nl_band->nla_type;
2085 phy_info->last_chan_idx = 0;
2086 } else
2087 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
2088
2089 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
2090 nla_len(nl_band), NULL);
2091
2092 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
2093 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
2094 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
2095 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
2096 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
2097 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
2098 ret = phy_info_edmg_capa(mode,
2099 tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG],
2100 tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]);
2101 if (ret == NL_OK)
2102 ret = phy_info_freqs(phy_info, mode,
2103 tb_band[NL80211_BAND_ATTR_FREQS]);
2104 if (ret == NL_OK)
2105 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
2106 if (ret != NL_OK) {
2107 phy_info->failed = 1;
2108 return ret;
2109 }
2110
2111 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
2112 struct nlattr *nl_iftype;
2113 int rem_band;
2114
2115 nla_for_each_nested(nl_iftype,
2116 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA],
2117 rem_band) {
2118 ret = phy_info_iftype(mode, nl_iftype);
2119 if (ret != NL_OK)
2120 return ret;
2121 }
2122 }
2123
2124 return NL_OK;
2125 }
2126
2127
phy_info_handler(struct nl_msg * msg,void * arg)2128 static int phy_info_handler(struct nl_msg *msg, void *arg)
2129 {
2130 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2131 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2132 struct phy_info_arg *phy_info = arg;
2133 struct nlattr *nl_band;
2134 int rem_band;
2135
2136 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2137 genlmsg_attrlen(gnlh, 0), NULL);
2138
2139 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
2140 return NL_SKIP;
2141
2142 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
2143 {
2144 int res = phy_info_band(phy_info, nl_band);
2145 if (res != NL_OK)
2146 return res;
2147 }
2148
2149 return NL_SKIP;
2150 }
2151
2152
2153 static struct hostapd_hw_modes *
wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes * modes,u16 * num_modes)2154 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
2155 u16 *num_modes)
2156 {
2157 u16 m;
2158 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
2159 int i, mode11g_idx = -1;
2160
2161 /* heuristic to set up modes */
2162 for (m = 0; m < *num_modes; m++) {
2163 if (!modes[m].num_channels)
2164 continue;
2165
2166 modes[m].is_6ghz = false;
2167
2168 if (modes[m].channels[0].freq < 2000) {
2169 modes[m].num_channels = 0;
2170 continue;
2171 } else if (modes[m].channels[0].freq < 4000) {
2172 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
2173 for (i = 0; i < modes[m].num_rates; i++) {
2174 if (modes[m].rates[i] > 200) {
2175 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
2176 break;
2177 }
2178 }
2179 } else if (modes[m].channels[0].freq > 50000) {
2180 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
2181 } else if (is_6ghz_freq(modes[m].channels[0].freq)) {
2182 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
2183 modes[m].is_6ghz = true;
2184 } else {
2185 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
2186 }
2187 }
2188
2189 /* Remove unsupported bands */
2190 m = 0;
2191 while (m < *num_modes) {
2192 if (modes[m].mode == NUM_HOSTAPD_MODES) {
2193 wpa_printf(MSG_DEBUG,
2194 "nl80211: Remove unsupported mode");
2195 os_free(modes[m].channels);
2196 os_free(modes[m].rates);
2197 if (m + 1 < *num_modes)
2198 os_memmove(&modes[m], &modes[m + 1],
2199 sizeof(struct hostapd_hw_modes) *
2200 (*num_modes - (m + 1)));
2201 (*num_modes)--;
2202 continue;
2203 }
2204 m++;
2205 }
2206
2207 /* If only 802.11g mode is included, use it to construct matching
2208 * 802.11b mode data. */
2209
2210 for (m = 0; m < *num_modes; m++) {
2211 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
2212 return modes; /* 802.11b already included */
2213 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
2214 mode11g_idx = m;
2215 }
2216
2217 if (mode11g_idx < 0)
2218 return modes; /* 2.4 GHz band not supported at all */
2219
2220 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
2221 if (nmodes == NULL)
2222 return modes; /* Could not add 802.11b mode */
2223
2224 mode = &nmodes[*num_modes];
2225 os_memset(mode, 0, sizeof(*mode));
2226 (*num_modes)++;
2227 modes = nmodes;
2228
2229 mode->mode = HOSTAPD_MODE_IEEE80211B;
2230
2231 mode11g = &modes[mode11g_idx];
2232 mode->num_channels = mode11g->num_channels;
2233 mode->channels = os_memdup(mode11g->channels,
2234 mode11g->num_channels *
2235 sizeof(struct hostapd_channel_data));
2236 if (mode->channels == NULL) {
2237 (*num_modes)--;
2238 return modes; /* Could not add 802.11b mode */
2239 }
2240
2241 mode->num_rates = 0;
2242 mode->rates = os_malloc(4 * sizeof(int));
2243 if (mode->rates == NULL) {
2244 os_free(mode->channels);
2245 (*num_modes)--;
2246 return modes; /* Could not add 802.11b mode */
2247 }
2248
2249 for (i = 0; i < mode11g->num_rates; i++) {
2250 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
2251 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
2252 continue;
2253 mode->rates[mode->num_rates] = mode11g->rates[i];
2254 mode->num_rates++;
2255 if (mode->num_rates == 4)
2256 break;
2257 }
2258
2259 if (mode->num_rates == 0) {
2260 os_free(mode->channels);
2261 os_free(mode->rates);
2262 (*num_modes)--;
2263 return modes; /* No 802.11b rates */
2264 }
2265
2266 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
2267 "information");
2268
2269 return modes;
2270 }
2271
2272
nl80211_set_ht40_mode(struct hostapd_hw_modes * mode,int start,int end)2273 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
2274 int end)
2275 {
2276 int c;
2277
2278 for (c = 0; c < mode->num_channels; c++) {
2279 struct hostapd_channel_data *chan = &mode->channels[c];
2280 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
2281 chan->flag |= HOSTAPD_CHAN_HT40;
2282 }
2283 }
2284
2285
nl80211_set_ht40_mode_sec(struct hostapd_hw_modes * mode,int start,int end)2286 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
2287 int end)
2288 {
2289 int c;
2290
2291 for (c = 0; c < mode->num_channels; c++) {
2292 struct hostapd_channel_data *chan = &mode->channels[c];
2293 if (!(chan->flag & HOSTAPD_CHAN_HT40))
2294 continue;
2295 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
2296 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
2297 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
2298 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
2299 }
2300 }
2301
2302
nl80211_reg_rule_max_eirp(u32 start,u32 end,u32 max_eirp,struct phy_info_arg * results)2303 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
2304 struct phy_info_arg *results)
2305 {
2306 u16 m;
2307
2308 for (m = 0; m < *results->num_modes; m++) {
2309 int c;
2310 struct hostapd_hw_modes *mode = &results->modes[m];
2311
2312 for (c = 0; c < mode->num_channels; c++) {
2313 struct hostapd_channel_data *chan = &mode->channels[c];
2314 if ((u32) chan->freq - 10 >= start &&
2315 (u32) chan->freq + 10 <= end)
2316 chan->max_tx_power = max_eirp;
2317 }
2318 }
2319 }
2320
2321
nl80211_reg_rule_ht40(u32 start,u32 end,struct phy_info_arg * results)2322 static void nl80211_reg_rule_ht40(u32 start, u32 end,
2323 struct phy_info_arg *results)
2324 {
2325 u16 m;
2326
2327 for (m = 0; m < *results->num_modes; m++) {
2328 if (!(results->modes[m].ht_capab &
2329 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2330 continue;
2331 nl80211_set_ht40_mode(&results->modes[m], start, end);
2332 }
2333 }
2334
2335
nl80211_reg_rule_sec(struct nlattr * tb[],struct phy_info_arg * results)2336 static void nl80211_reg_rule_sec(struct nlattr *tb[],
2337 struct phy_info_arg *results)
2338 {
2339 u32 start, end, max_bw;
2340 u16 m;
2341
2342 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2343 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2344 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2345 return;
2346
2347 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2348 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2349 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2350
2351 if (max_bw < 20)
2352 return;
2353
2354 for (m = 0; m < *results->num_modes; m++) {
2355 if (!(results->modes[m].ht_capab &
2356 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2357 continue;
2358 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
2359 }
2360 }
2361
2362
nl80211_set_vht_mode(struct hostapd_hw_modes * mode,int start,int end,int max_bw)2363 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
2364 int end, int max_bw)
2365 {
2366 int c;
2367
2368 for (c = 0; c < mode->num_channels; c++) {
2369 struct hostapd_channel_data *chan = &mode->channels[c];
2370
2371 if (chan->freq - 10 < start || chan->freq + 10 > end)
2372 continue;
2373
2374 if (max_bw >= 80)
2375 chan->flag |= HOSTAPD_CHAN_VHT_80MHZ_SUBCHANNEL;
2376
2377 if (max_bw >= 160)
2378 chan->flag |= HOSTAPD_CHAN_VHT_160MHZ_SUBCHANNEL;
2379 }
2380 }
2381
2382
nl80211_reg_rule_vht(struct nlattr * tb[],struct phy_info_arg * results)2383 static void nl80211_reg_rule_vht(struct nlattr *tb[],
2384 struct phy_info_arg *results)
2385 {
2386 u32 start, end, max_bw;
2387 u16 m;
2388
2389 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2390 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2391 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2392 return;
2393
2394 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2395 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2396 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2397
2398 if (max_bw < 80)
2399 return;
2400
2401 for (m = 0; m < *results->num_modes; m++) {
2402 if (!(results->modes[m].ht_capab &
2403 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2404 continue;
2405 /* TODO: use a real VHT support indication */
2406 if (!results->modes[m].vht_capab)
2407 continue;
2408
2409 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
2410 }
2411 }
2412
2413
nl80211_set_6ghz_mode(struct hostapd_hw_modes * mode,int start,int end,int max_bw)2414 static void nl80211_set_6ghz_mode(struct hostapd_hw_modes *mode, int start,
2415 int end, int max_bw)
2416 {
2417 int c;
2418
2419 for (c = 0; c < mode->num_channels; c++) {
2420 struct hostapd_channel_data *chan = &mode->channels[c];
2421
2422 if (chan->freq - 10 < start || chan->freq + 10 > end)
2423 continue;
2424
2425 if (max_bw >= 80)
2426 chan->flag |= HOSTAPD_CHAN_VHT_80MHZ_SUBCHANNEL;
2427
2428 if (max_bw >= 160)
2429 chan->flag |= HOSTAPD_CHAN_VHT_160MHZ_SUBCHANNEL;
2430
2431 if (max_bw >= 320)
2432 chan->flag |= HOSTAPD_CHAN_EHT_320MHZ_SUBCHANNEL;
2433 }
2434 }
2435
2436
nl80211_reg_rule_6ghz(struct nlattr * tb[],struct phy_info_arg * results)2437 static void nl80211_reg_rule_6ghz(struct nlattr *tb[],
2438 struct phy_info_arg *results)
2439 {
2440 u32 start, end, max_bw;
2441 u16 m;
2442
2443 if (!tb[NL80211_ATTR_FREQ_RANGE_START] ||
2444 !tb[NL80211_ATTR_FREQ_RANGE_END] ||
2445 !tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2446 return;
2447
2448 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2449 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2450 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2451
2452 if (max_bw < 80)
2453 return;
2454
2455 for (m = 0; m < *results->num_modes; m++) {
2456 if (results->modes[m].num_channels == 0 ||
2457 !is_6ghz_freq(results->modes[m].channels[0].freq))
2458 continue;
2459
2460 nl80211_set_6ghz_mode(&results->modes[m], start, end, max_bw);
2461 }
2462 }
2463
2464
nl80211_set_dfs_domain(enum nl80211_dfs_regions region,u8 * dfs_domain)2465 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
2466 u8 *dfs_domain)
2467 {
2468 if (region == NL80211_DFS_FCC)
2469 *dfs_domain = HOSTAPD_DFS_REGION_FCC;
2470 else if (region == NL80211_DFS_ETSI)
2471 *dfs_domain = HOSTAPD_DFS_REGION_ETSI;
2472 else if (region == NL80211_DFS_JP)
2473 *dfs_domain = HOSTAPD_DFS_REGION_JP;
2474 else
2475 *dfs_domain = 0;
2476 }
2477
2478
dfs_domain_name(enum nl80211_dfs_regions region)2479 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
2480 {
2481 switch (region) {
2482 case NL80211_DFS_UNSET:
2483 return "DFS-UNSET";
2484 case NL80211_DFS_FCC:
2485 return "DFS-FCC";
2486 case NL80211_DFS_ETSI:
2487 return "DFS-ETSI";
2488 case NL80211_DFS_JP:
2489 return "DFS-JP";
2490 default:
2491 return "DFS-invalid";
2492 }
2493 }
2494
2495
nl80211_get_reg(struct nl_msg * msg,void * arg)2496 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
2497 {
2498 struct phy_info_arg *results = arg;
2499 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2500 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2501 struct nlattr *nl_rule;
2502 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
2503 int rem_rule;
2504 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2505 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
2506 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
2507 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
2508 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
2509 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
2510 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
2511 };
2512
2513 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2514 genlmsg_attrlen(gnlh, 0), NULL);
2515 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
2516 !tb_msg[NL80211_ATTR_REG_RULES]) {
2517 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
2518 "available");
2519 return NL_SKIP;
2520 }
2521
2522 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
2523 enum nl80211_dfs_regions dfs_domain;
2524 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
2525 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
2526 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
2527 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
2528 dfs_domain_name(dfs_domain));
2529 } else {
2530 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
2531 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
2532 }
2533
2534 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2535 {
2536 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
2537 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2538 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2539 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2540 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
2541 continue;
2542 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2543 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2544 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2545 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
2546 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2547 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2548 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
2549 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
2550
2551 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
2552 start, end, max_bw, max_eirp,
2553 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
2554 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
2555 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
2556 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
2557 "",
2558 flags & NL80211_RRF_DFS ? " (DFS)" : "",
2559 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
2560 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
2561 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
2562 if (max_bw >= 40)
2563 nl80211_reg_rule_ht40(start, end, results);
2564 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2565 nl80211_reg_rule_max_eirp(start, end, max_eirp,
2566 results);
2567 }
2568
2569 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2570 {
2571 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2572 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2573 nl80211_reg_rule_sec(tb_rule, results);
2574 }
2575
2576 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2577 {
2578 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2579 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2580 nl80211_reg_rule_vht(tb_rule, results);
2581 }
2582
2583 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2584 {
2585 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2586 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2587 nl80211_reg_rule_6ghz(tb_rule, results);
2588 }
2589
2590 return NL_SKIP;
2591 }
2592
2593
nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data * drv,struct phy_info_arg * results)2594 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
2595 struct phy_info_arg *results)
2596 {
2597 struct nl_msg *msg;
2598
2599 msg = nlmsg_alloc();
2600 if (!msg)
2601 return -ENOMEM;
2602
2603 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
2604 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
2605 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
2606 nlmsg_free(msg);
2607 return -1;
2608 }
2609 }
2610
2611 return send_and_recv_resp(drv, msg, nl80211_get_reg, results);
2612 }
2613
2614
modestr(enum hostapd_hw_mode mode)2615 static const char * modestr(enum hostapd_hw_mode mode)
2616 {
2617 switch (mode) {
2618 case HOSTAPD_MODE_IEEE80211B:
2619 return "802.11b";
2620 case HOSTAPD_MODE_IEEE80211G:
2621 return "802.11g";
2622 case HOSTAPD_MODE_IEEE80211A:
2623 return "802.11a";
2624 case HOSTAPD_MODE_IEEE80211AD:
2625 return "802.11ad";
2626 default:
2627 return "?";
2628 }
2629 }
2630
2631
nl80211_dump_chan_list(struct wpa_driver_nl80211_data * drv,struct hostapd_hw_modes * modes,u16 num_modes)2632 static void nl80211_dump_chan_list(struct wpa_driver_nl80211_data *drv,
2633 struct hostapd_hw_modes *modes,
2634 u16 num_modes)
2635 {
2636 int i;
2637
2638 if (!modes)
2639 return;
2640
2641 for (i = 0; i < num_modes; i++) {
2642 struct hostapd_hw_modes *mode = &modes[i];
2643 char str[1000];
2644 char *pos = str;
2645 char *end = pos + sizeof(str);
2646 int j, res;
2647
2648 for (j = 0; j < mode->num_channels; j++) {
2649 struct hostapd_channel_data *chan = &mode->channels[j];
2650
2651 if (is_6ghz_freq(chan->freq))
2652 drv->uses_6ghz = true;
2653 if (chan->freq >= 900 && chan->freq < 1000)
2654 drv->uses_s1g = true;
2655 res = os_snprintf(pos, end - pos, " %d%s%s%s",
2656 chan->freq,
2657 (chan->flag & HOSTAPD_CHAN_DISABLED) ?
2658 "[DISABLED]" : "",
2659 (chan->flag & HOSTAPD_CHAN_NO_IR) ?
2660 "[NO_IR]" : "",
2661 (chan->flag & HOSTAPD_CHAN_RADAR) ?
2662 "[RADAR]" : "");
2663 if (os_snprintf_error(end - pos, res))
2664 break;
2665 pos += res;
2666 }
2667
2668 *pos = '\0';
2669 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
2670 modestr(mode->mode), str);
2671 }
2672 }
2673
2674
2675 struct hostapd_hw_modes *
nl80211_get_hw_feature_data(void * priv,u16 * num_modes,u16 * flags,u8 * dfs_domain)2676 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
2677 u8 *dfs_domain)
2678 {
2679 u32 feat;
2680 struct i802_bss *bss = priv;
2681 struct wpa_driver_nl80211_data *drv = bss->drv;
2682 int nl_flags = 0;
2683 struct nl_msg *msg;
2684 struct phy_info_arg result = {
2685 .num_modes = num_modes,
2686 .modes = NULL,
2687 .last_mode = -1,
2688 .failed = 0,
2689 .dfs_domain = 0,
2690 };
2691
2692 *num_modes = 0;
2693 *flags = 0;
2694 *dfs_domain = 0;
2695
2696 feat = get_nl80211_protocol_features(drv);
2697 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
2698 nl_flags = NLM_F_DUMP;
2699 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
2700 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
2701 nlmsg_free(msg);
2702 return NULL;
2703 }
2704
2705 if (send_and_recv_resp(drv, msg, phy_info_handler, &result) == 0) {
2706 struct hostapd_hw_modes *modes;
2707
2708 nl80211_set_regulatory_flags(drv, &result);
2709 if (result.failed) {
2710 int i;
2711
2712 for (i = 0; result.modes && i < *num_modes; i++) {
2713 os_free(result.modes[i].channels);
2714 os_free(result.modes[i].rates);
2715 }
2716 os_free(result.modes);
2717 *num_modes = 0;
2718 return NULL;
2719 }
2720
2721 *dfs_domain = result.dfs_domain;
2722
2723 modes = wpa_driver_nl80211_postprocess_modes(result.modes,
2724 num_modes);
2725 nl80211_dump_chan_list(drv, modes, *num_modes);
2726 return modes;
2727 }
2728
2729 return NULL;
2730 }
2731