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
protocol_feature_handler(struct nl_msg * msg,void * arg)22 static int protocol_feature_handler(struct nl_msg *msg, void *arg)
23 {
24 u32 *feat = arg;
25 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
26 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
27
28 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
29 genlmsg_attrlen(gnlh, 0), NULL);
30
31 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
32 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
33
34 return NL_SKIP;
35 }
36
37
get_nl80211_protocol_features(struct wpa_driver_nl80211_data * drv)38 static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
39 {
40 u32 feat = 0;
41 struct nl_msg *msg;
42
43 msg = nlmsg_alloc();
44 if (!msg)
45 return 0;
46
47 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) {
48 nlmsg_free(msg);
49 return 0;
50 }
51
52 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat,
53 NULL, NULL) == 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 drv->num_iface_capa++;
893 if (drv->num_iface_capa == NL80211_IFTYPE_MAX)
894 break;
895 }
896
897 return;
898
899 err:
900 /* Cleanup allocated memory on error */
901 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
902 os_free(drv->iface_capa[i].ext_capa);
903 drv->iface_capa[i].ext_capa = NULL;
904 os_free(drv->iface_capa[i].ext_capa_mask);
905 drv->iface_capa[i].ext_capa_mask = NULL;
906 drv->iface_capa[i].ext_capa_len = 0;
907 }
908 drv->num_iface_capa = 0;
909 }
910
911
wiphy_info_mbssid(struct wpa_driver_capa * cap,struct nlattr * attr)912 static void wiphy_info_mbssid(struct wpa_driver_capa *cap, struct nlattr *attr)
913 {
914 struct nlattr *config[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
915
916 if (nla_parse_nested(config, NL80211_MBSSID_CONFIG_ATTR_MAX, attr,
917 NULL))
918 return;
919
920 if (!config[NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES])
921 return;
922
923 cap->mbssid_max_interfaces =
924 nla_get_u8(config[NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES]);
925
926 if (config[NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY])
927 cap->ema_max_periodicity =
928 nla_get_u8(config[NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY]);
929
930 wpa_printf(MSG_DEBUG,
931 "mbssid: max interfaces %u, max profile periodicity %u",
932 cap->mbssid_max_interfaces, cap->ema_max_periodicity);
933 }
934
935
wiphy_info_handler(struct nl_msg * msg,void * arg)936 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
937 {
938 struct nlattr *tb[NL80211_ATTR_MAX + 1];
939 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
940 struct wiphy_info_data *info = arg;
941 struct wpa_driver_capa *capa = info->capa;
942 struct wpa_driver_nl80211_data *drv = info->drv;
943
944 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
945 genlmsg_attrlen(gnlh, 0), NULL);
946
947 if (tb[NL80211_ATTR_WIPHY])
948 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
949
950 if (tb[NL80211_ATTR_WIPHY_NAME])
951 os_strlcpy(drv->phyname,
952 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
953 sizeof(drv->phyname));
954 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
955 capa->max_scan_ssids =
956 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
957
958 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
959 capa->max_sched_scan_ssids =
960 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
961
962 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
963 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
964 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
965 capa->max_sched_scan_plans =
966 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
967
968 capa->max_sched_scan_plan_interval =
969 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
970
971 capa->max_sched_scan_plan_iterations =
972 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
973 }
974
975 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
976 capa->max_match_sets =
977 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
978
979 if (tb[NL80211_ATTR_MAC_ACL_MAX])
980 capa->max_acl_mac_addrs =
981 nla_get_u32(tb[NL80211_ATTR_MAC_ACL_MAX]);
982
983 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
984 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
985 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
986 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
987 wiphy_info_akm_suites(info, tb[NL80211_ATTR_AKM_SUITES]);
988 wiphy_info_iftype_akm_suites(info, tb[NL80211_ATTR_IFTYPE_AKM_SUITES]);
989
990 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
991 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
992 "off-channel TX");
993 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
994 }
995
996 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
997 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
998 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
999 }
1000
1001 wiphy_info_max_roc(capa,
1002 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
1003
1004 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
1005 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
1006
1007 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
1008 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
1009
1010 if (tb[NL80211_ATTR_DEVICE_AP_SME]) {
1011 u32 ap_sme_features_flags =
1012 nla_get_u32(tb[NL80211_ATTR_DEVICE_AP_SME]);
1013
1014 if (ap_sme_features_flags & NL80211_AP_SME_SA_QUERY_OFFLOAD)
1015 capa->flags2 |= WPA_DRIVER_FLAGS2_SA_QUERY_OFFLOAD_AP;
1016
1017 info->device_ap_sme = 1;
1018 }
1019
1020 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
1021 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
1022 wiphy_info_probe_resp_offload(capa,
1023 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
1024
1025 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
1026 drv->extended_capa == NULL) {
1027 drv->extended_capa =
1028 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
1029 if (drv->extended_capa) {
1030 os_memcpy(drv->extended_capa,
1031 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
1032 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
1033 drv->extended_capa_len =
1034 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
1035 wpa_hexdump(MSG_DEBUG,
1036 "nl80211: Driver-advertised extended capabilities (default)",
1037 drv->extended_capa, drv->extended_capa_len);
1038 }
1039 drv->extended_capa_mask =
1040 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
1041 if (drv->extended_capa_mask) {
1042 os_memcpy(drv->extended_capa_mask,
1043 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
1044 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
1045 wpa_hexdump(MSG_DEBUG,
1046 "nl80211: Driver-advertised extended capabilities mask (default)",
1047 drv->extended_capa_mask,
1048 drv->extended_capa_len);
1049 } else {
1050 os_free(drv->extended_capa);
1051 drv->extended_capa = NULL;
1052 drv->extended_capa_len = 0;
1053 }
1054 }
1055
1056 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
1057
1058 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1059 struct nlattr *nl;
1060 int rem;
1061
1062 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
1063 struct nl80211_vendor_cmd_info *vinfo;
1064 if (nla_len(nl) != sizeof(*vinfo)) {
1065 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1066 continue;
1067 }
1068 vinfo = nla_data(nl);
1069 if (vinfo->vendor_id == OUI_QCA) {
1070 switch (vinfo->subcmd) {
1071 case QCA_NL80211_VENDOR_SUBCMD_TEST:
1072 drv->vendor_cmd_test_avail = 1;
1073 break;
1074 #ifdef CONFIG_DRIVER_NL80211_QCA
1075 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
1076 drv->roaming_vendor_cmd_avail = 1;
1077 break;
1078 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
1079 drv->dfs_vendor_cmd_avail = 1;
1080 break;
1081 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
1082 drv->get_features_vendor_cmd_avail = 1;
1083 break;
1084 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
1085 drv->get_pref_freq_list = 1;
1086 break;
1087 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
1088 drv->set_prob_oper_freq = 1;
1089 break;
1090 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
1091 drv->capa.flags |=
1092 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1093 drv->qca_do_acs = 1;
1094 break;
1095 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
1096 drv->setband_vendor_cmd_avail = 1;
1097 break;
1098 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
1099 drv->scan_vendor_cmd_avail = 1;
1100 break;
1101 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
1102 drv->set_wifi_conf_vendor_cmd_avail = 1;
1103 break;
1104 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS:
1105 drv->fetch_bss_trans_status = 1;
1106 break;
1107 case QCA_NL80211_VENDOR_SUBCMD_ROAM:
1108 drv->roam_vendor_cmd_avail = 1;
1109 break;
1110 case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE:
1111 drv->add_sta_node_vendor_cmd_avail = 1;
1112 break;
1113 case QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO:
1114 drv->get_sta_info_vendor_cmd_avail = 1;
1115 break;
1116 case QCA_NL80211_VENDOR_SUBCMD_SECURE_RANGING_CONTEXT:
1117 drv->secure_ranging_ctx_vendor_cmd_avail = 1;
1118 break;
1119 #endif /* CONFIG_DRIVER_NL80211_QCA */
1120 }
1121 #if defined(CONFIG_DRIVER_NL80211_BRCM) || defined(CONFIG_DRIVER_NL80211_SYNA)
1122 } else if (vinfo->vendor_id == OUI_BRCM) {
1123 switch (vinfo->subcmd) {
1124 case BRCM_VENDOR_SCMD_ACS:
1125 drv->capa.flags |=
1126 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1127 drv->capa.flags |=
1128 WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1129 wpa_printf(MSG_DEBUG,
1130 "Enabled BRCM ACS");
1131 drv->brcm_do_acs = 1;
1132 break;
1133 case BRCM_VENDOR_SCMD_SET_PMK:
1134 drv->vendor_set_pmk = 1;
1135 break;
1136 default:
1137 break;
1138 }
1139 #endif /* CONFIG_DRIVER_NL80211_BRCM || CONFIG_DRIVER_NL80211_SYNA */
1140 }
1141 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
1142 vinfo->vendor_id, vinfo->subcmd);
1143 }
1144 }
1145
1146 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
1147 struct nlattr *nl;
1148 int rem;
1149
1150 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
1151 struct nl80211_vendor_cmd_info *vinfo;
1152 if (nla_len(nl) != sizeof(*vinfo)) {
1153 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1154 continue;
1155 }
1156 vinfo = nla_data(nl);
1157 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
1158 vinfo->vendor_id, vinfo->subcmd);
1159 }
1160 }
1161
1162 wiphy_info_wowlan_triggers(capa,
1163 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
1164
1165 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
1166 capa->max_stations =
1167 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
1168
1169 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
1170 capa->max_csa_counters =
1171 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
1172
1173 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG])
1174 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY;
1175
1176 if (tb[NL80211_ATTR_MAX_NUM_AKM_SUITES])
1177 capa->max_num_akms =
1178 nla_get_u16(tb[NL80211_ATTR_MAX_NUM_AKM_SUITES]);
1179
1180 if (tb[NL80211_ATTR_MBSSID_CONFIG])
1181 wiphy_info_mbssid(capa, tb[NL80211_ATTR_MBSSID_CONFIG]);
1182
1183 if (tb[NL80211_ATTR_MLO_SUPPORT])
1184 capa->flags2 |= WPA_DRIVER_FLAGS2_MLO;
1185
1186 return NL_SKIP;
1187 }
1188
1189
wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data * drv,struct wiphy_info_data * info)1190 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
1191 struct wiphy_info_data *info)
1192 {
1193 u32 feat;
1194 struct nl_msg *msg;
1195 int flags = 0;
1196
1197 os_memset(info, 0, sizeof(*info));
1198 info->capa = &drv->capa;
1199 info->drv = drv;
1200
1201 feat = get_nl80211_protocol_features(drv);
1202 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1203 flags = NLM_F_DUMP;
1204 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
1205 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1206 nlmsg_free(msg);
1207 return -1;
1208 }
1209
1210 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info, NULL, NULL))
1211 return -1;
1212
1213 if (info->auth_supported)
1214 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
1215 else if (!info->connect_supported) {
1216 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
1217 "authentication/association or connect commands");
1218 info->error = 1;
1219 }
1220
1221 if (info->p2p_go_supported && info->p2p_client_supported)
1222 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
1223 if (info->p2p_concurrent) {
1224 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
1225 "interface (driver advertised support)");
1226 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
1227 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
1228 }
1229 if (info->num_multichan_concurrent > 1) {
1230 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
1231 "concurrent (driver advertised support)");
1232 drv->capa.num_multichan_concurrent =
1233 info->num_multichan_concurrent;
1234 }
1235 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
1236 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
1237
1238 /* default to 5000 since early versions of mac80211 don't set it */
1239 if (!drv->capa.max_remain_on_chan)
1240 drv->capa.max_remain_on_chan = 5000;
1241
1242 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
1243
1244 drv->capa.mac_addr_rand_sched_scan_supported =
1245 info->mac_addr_rand_sched_scan_supported;
1246 drv->capa.mac_addr_rand_scan_supported =
1247 info->mac_addr_rand_scan_supported;
1248
1249 if (info->channel_switch_supported) {
1250 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
1251 if (!drv->capa.max_csa_counters)
1252 drv->capa.max_csa_counters = 1;
1253 }
1254
1255 if (!drv->capa.max_sched_scan_plans) {
1256 drv->capa.max_sched_scan_plans = 1;
1257 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
1258 drv->capa.max_sched_scan_plan_iterations = 0;
1259 }
1260
1261 if (info->update_ft_ies_supported)
1262 drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES;
1263
1264 if (!drv->capa.max_num_akms)
1265 #if defined(CONFIG_DRIVER_NL80211_BRCM) && !defined(WIFI_BRCM_OPEN_SOURCE_MULTI_AKM)
1266 drv->capa.max_num_akms = 1;
1267 #else
1268 drv->capa.max_num_akms = NL80211_MAX_NR_AKM_SUITES;
1269 #endif /* CONFIG_DRIVER_NL80211_BRCM && !WIFI_BRCM_OPEN_SOURCE_MULTI_AKM */
1270
1271 return 0;
1272 }
1273
1274
1275 #ifdef CONFIG_DRIVER_NL80211_QCA
1276
dfs_info_handler(struct nl_msg * msg,void * arg)1277 static int dfs_info_handler(struct nl_msg *msg, void *arg)
1278 {
1279 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1280 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1281 int *dfs_capability_ptr = arg;
1282
1283 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1284 genlmsg_attrlen(gnlh, 0), NULL);
1285
1286 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1287 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1288 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1289
1290 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1291 nla_data(nl_vend), nla_len(nl_vend), NULL);
1292
1293 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
1294 u32 val;
1295 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
1296 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
1297 val);
1298 *dfs_capability_ptr = val;
1299 }
1300 }
1301
1302 return NL_SKIP;
1303 }
1304
1305
qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data * drv)1306 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
1307 {
1308 struct nl_msg *msg;
1309 int dfs_capability = 0;
1310 int ret;
1311
1312 if (!drv->dfs_vendor_cmd_avail)
1313 return;
1314
1315 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1316 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1317 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1318 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
1319 nlmsg_free(msg);
1320 return;
1321 }
1322
1323 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability,
1324 NULL, NULL);
1325 if (!ret && dfs_capability)
1326 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
1327 }
1328
1329
1330 struct features_info {
1331 u8 *flags;
1332 size_t flags_len;
1333 struct wpa_driver_capa *capa;
1334 };
1335
1336
features_info_handler(struct nl_msg * msg,void * arg)1337 static int features_info_handler(struct nl_msg *msg, void *arg)
1338 {
1339 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1340 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1341 struct features_info *info = arg;
1342 struct nlattr *nl_vend, *attr;
1343
1344 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1345 genlmsg_attrlen(gnlh, 0), NULL);
1346
1347 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1348 if (nl_vend) {
1349 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1350
1351 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1352 nla_data(nl_vend), nla_len(nl_vend), NULL);
1353
1354 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
1355 if (attr) {
1356 int len = nla_len(attr);
1357 info->flags = os_malloc(len);
1358 if (info->flags != NULL) {
1359 os_memcpy(info->flags, nla_data(attr), len);
1360 info->flags_len = len;
1361 }
1362 }
1363 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
1364 if (attr)
1365 info->capa->conc_capab = nla_get_u32(attr);
1366
1367 attr = tb_vendor[
1368 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
1369 if (attr)
1370 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
1371
1372 attr = tb_vendor[
1373 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
1374 if (attr)
1375 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
1376 }
1377
1378 return NL_SKIP;
1379 }
1380
1381
check_feature(enum qca_wlan_vendor_features feature,struct features_info * info)1382 static int check_feature(enum qca_wlan_vendor_features feature,
1383 struct features_info *info)
1384 {
1385 size_t idx = feature / 8;
1386
1387 return (idx < info->flags_len) &&
1388 (info->flags[idx] & BIT(feature % 8));
1389 }
1390
1391
qca_nl80211_get_features(struct wpa_driver_nl80211_data * drv)1392 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
1393 {
1394 struct nl_msg *msg;
1395 struct features_info info;
1396 int ret;
1397
1398 if (!drv->get_features_vendor_cmd_avail)
1399 return;
1400
1401 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1402 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1403 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1404 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
1405 nlmsg_free(msg);
1406 return;
1407 }
1408
1409 os_memset(&info, 0, sizeof(info));
1410 info.capa = &drv->capa;
1411 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info,
1412 NULL, NULL);
1413 if (ret || !info.flags)
1414 return;
1415
1416 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
1417 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
1418
1419 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
1420 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1421
1422 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
1423 &info))
1424 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1425 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
1426 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
1427 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info))
1428 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA;
1429 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info))
1430 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP;
1431 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info))
1432 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON;
1433 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_LTF_STA, &info))
1434 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_STA;
1435 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_LTF_AP, &info))
1436 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_AP;
1437 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_RTT_STA, &info))
1438 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_STA;
1439 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_RTT_AP, &info))
1440 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_AP;
1441 if (check_feature(
1442 QCA_WLAN_VENDOR_FEATURE_PROT_RANGE_NEGO_AND_MEASURE_STA,
1443 &info))
1444 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_STA;
1445 if (check_feature(
1446 QCA_WLAN_VENDOR_FEATURE_PROT_RANGE_NEGO_AND_MEASURE_AP,
1447 &info))
1448 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP;
1449 if (check_feature(QCA_WLAN_VENDOR_FEATURE_AP_ALLOWED_FREQ_LIST,
1450 &info))
1451 drv->qca_ap_allowed_freqs = 1;
1452 os_free(info.flags);
1453 }
1454
1455 #endif /* CONFIG_DRIVER_NL80211_QCA */
1456
1457
wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data * drv)1458 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
1459 {
1460 struct wiphy_info_data info;
1461 int i;
1462
1463 if (wpa_driver_nl80211_get_info(drv, &info))
1464 return -1;
1465
1466 if (info.error)
1467 return -1;
1468
1469 drv->has_capability = 1;
1470 drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype;
1471
1472 /* Fallback to hardcoded defaults if the driver does not advertise any
1473 * AKM capabilities. */
1474 if (!drv->has_driver_key_mgmt) {
1475 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1476 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1477 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1478 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1479 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1480 WPA_DRIVER_CAPA_KEY_MGMT_OWE |
1481 WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1482
1483 if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
1484 WPA_DRIVER_CAPA_ENC_GCMP_256))
1485 drv->capa.key_mgmt |=
1486 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1487
1488 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
1489 drv->capa.key_mgmt |=
1490 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1491 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
1492 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
1493 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
1494 WPA_DRIVER_CAPA_KEY_MGMT_SAE;
1495 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
1496 drv->capa.key_mgmt |=
1497 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1498 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
1499 }
1500
1501 if (!info.has_key_mgmt_iftype) {
1502 /* If the driver does not advertize per interface AKM
1503 * capabilities, consider all interfaces to support default AKMs
1504 * in key_mgmt. */
1505 for (i = 0; i < WPA_IF_MAX; i++)
1506 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
1507 } else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) {
1508 /* If the driver advertizes only per interface supported AKMs
1509 * but does not advertize per wiphy AKM capabilities, consider
1510 * the default key_mgmt as a mask of per interface supported
1511 * AKMs. */
1512 drv->capa.key_mgmt = 0;
1513 for (i = 0; i < WPA_IF_MAX; i++)
1514 drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i];
1515 } else if (info.has_key_mgmt_iftype && info.has_key_mgmt) {
1516 /* If the driver advertizes AKM capabilities both per wiphy and
1517 * per interface, consider the interfaces for which per
1518 * interface AKM capabilities were not received to support the
1519 * default key_mgmt capabilities.
1520 */
1521 for (i = 0; i < WPA_IF_MAX; i++)
1522 if (!drv->capa.key_mgmt_iftype[i])
1523 drv->capa.key_mgmt_iftype[i] =
1524 drv->capa.key_mgmt;
1525 }
1526
1527 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1528 WPA_DRIVER_AUTH_SHARED |
1529 WPA_DRIVER_AUTH_LEAP;
1530
1531 drv->capa.flags |= WPA_DRIVER_FLAGS_VALID_ERROR_CODES;
1532 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1533 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1534
1535 /*
1536 * As all cfg80211 drivers must support cases where the AP interface is
1537 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1538 * case that the user space daemon has crashed, they must be able to
1539 * cleanup all stations and key entries in the AP tear down flow. Thus,
1540 * this flag can/should always be set for cfg80211 drivers.
1541 */
1542 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1543
1544 if (!info.device_ap_sme) {
1545 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1546 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_AP_SME;
1547
1548 /*
1549 * No AP SME is currently assumed to also indicate no AP MLME
1550 * in the driver/firmware.
1551 */
1552 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1553 }
1554
1555 drv->device_ap_sme = info.device_ap_sme;
1556 drv->poll_command_supported = info.poll_command_supported;
1557 drv->data_tx_status = info.data_tx_status;
1558 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1559 if (info.set_qos_map_supported)
1560 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1561 drv->have_low_prio_scan = info.have_low_prio_scan;
1562
1563 /*
1564 * If poll command and tx status are supported, mac80211 is new enough
1565 * to have everything we need to not need monitor interfaces.
1566 */
1567 drv->use_monitor = !info.device_ap_sme &&
1568 (!info.poll_command_supported || !info.data_tx_status);
1569
1570 /*
1571 * If we aren't going to use monitor interfaces, but the
1572 * driver doesn't support data TX status, we won't get TX
1573 * status for EAPOL frames.
1574 */
1575 if (!drv->use_monitor && !info.data_tx_status)
1576 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1577
1578 #ifdef CONFIG_DRIVER_NL80211_QCA
1579 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD))
1580 qca_nl80211_check_dfs_capa(drv);
1581 qca_nl80211_get_features(drv);
1582
1583 /*
1584 * To enable offchannel simultaneous support in wpa_supplicant, the
1585 * underlying driver needs to support the same along with offchannel TX.
1586 * Offchannel TX support is needed since remain_on_channel and
1587 * action_tx use some common data structures and hence cannot be
1588 * scheduled simultaneously.
1589 */
1590 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1591 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1592 #endif /* CONFIG_DRIVER_NL80211_QCA */
1593
1594 wpa_printf(MSG_DEBUG,
1595 "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",
1596 drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth,
1597 (unsigned long long) drv->capa.flags,
1598 (unsigned long long) drv->capa.flags2, drv->capa.rrm_flags,
1599 drv->capa.probe_resp_offloads, drv->capa.max_stations,
1600 drv->capa.max_remain_on_chan, drv->capa.max_scan_ssids);
1601 return 0;
1602 }
1603
1604
1605 struct phy_info_arg {
1606 u16 *num_modes;
1607 struct hostapd_hw_modes *modes;
1608 int last_mode, last_chan_idx;
1609 int failed;
1610 u8 dfs_domain;
1611 };
1612
phy_info_ht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * ampdu_factor,struct nlattr * ampdu_density,struct nlattr * mcs_set)1613 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1614 struct nlattr *ampdu_factor,
1615 struct nlattr *ampdu_density,
1616 struct nlattr *mcs_set)
1617 {
1618 if (capa)
1619 mode->ht_capab = nla_get_u16(capa);
1620
1621 if (ampdu_factor)
1622 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1623
1624 if (ampdu_density)
1625 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1626
1627 if (mcs_set && nla_len(mcs_set) >= 16) {
1628 u8 *mcs;
1629 mcs = nla_data(mcs_set);
1630 os_memcpy(mode->mcs_set, mcs, 16);
1631 }
1632 }
1633
1634
phy_info_vht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * mcs_set)1635 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1636 struct nlattr *capa,
1637 struct nlattr *mcs_set)
1638 {
1639 if (capa)
1640 mode->vht_capab = nla_get_u32(capa);
1641
1642 if (mcs_set && nla_len(mcs_set) >= 8) {
1643 u8 *mcs;
1644 mcs = nla_data(mcs_set);
1645 os_memcpy(mode->vht_mcs_set, mcs, 8);
1646 }
1647 }
1648
1649
phy_info_edmg_capa(struct hostapd_hw_modes * mode,struct nlattr * bw_config,struct nlattr * channels)1650 static int phy_info_edmg_capa(struct hostapd_hw_modes *mode,
1651 struct nlattr *bw_config,
1652 struct nlattr *channels)
1653 {
1654 if (!bw_config || !channels)
1655 return NL_OK;
1656
1657 mode->edmg.bw_config = nla_get_u8(bw_config);
1658 mode->edmg.channels = nla_get_u8(channels);
1659
1660 if (!mode->edmg.channels || !mode->edmg.bw_config)
1661 return NL_STOP;
1662
1663 return NL_OK;
1664 }
1665
1666
cw2ecw(unsigned int cw)1667 static int cw2ecw(unsigned int cw)
1668 {
1669 int bit;
1670
1671 if (cw == 0)
1672 return 0;
1673
1674 for (bit = 1; cw != 1; bit++)
1675 cw >>= 1;
1676
1677 return bit;
1678 }
1679
1680
phy_info_freq(struct hostapd_hw_modes * mode,struct hostapd_channel_data * chan,struct nlattr * tb_freq[])1681 static void phy_info_freq(struct hostapd_hw_modes *mode,
1682 struct hostapd_channel_data *chan,
1683 struct nlattr *tb_freq[])
1684 {
1685 u8 channel;
1686
1687 os_memset(chan, 0, sizeof(*chan));
1688 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1689 chan->flag = 0;
1690 chan->allowed_bw = ~0;
1691 chan->dfs_cac_ms = 0;
1692 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1693 chan->chan = channel;
1694 else
1695 wpa_printf(MSG_DEBUG,
1696 "nl80211: No channel number found for frequency %u MHz",
1697 chan->freq);
1698
1699 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1700 chan->flag |= HOSTAPD_CHAN_DISABLED;
1701 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1702 chan->flag |= HOSTAPD_CHAN_NO_IR;
1703 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1704 chan->flag |= HOSTAPD_CHAN_RADAR;
1705 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1706 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1707 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1708 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1709
1710 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
1711 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10;
1712 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
1713 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20;
1714 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
1715 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P;
1716 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
1717 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M;
1718 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
1719 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80;
1720 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
1721 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160;
1722
1723 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1724 enum nl80211_dfs_state state =
1725 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1726
1727 switch (state) {
1728 case NL80211_DFS_USABLE:
1729 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1730 break;
1731 case NL80211_DFS_AVAILABLE:
1732 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1733 break;
1734 case NL80211_DFS_UNAVAILABLE:
1735 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1736 break;
1737 }
1738 }
1739
1740 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1741 chan->dfs_cac_ms = nla_get_u32(
1742 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1743 }
1744
1745 chan->wmm_rules_valid = 0;
1746 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) {
1747 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = {
1748 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 },
1749 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 },
1750 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
1751 [NL80211_WMMR_TXOP] = { .type = NLA_U16 },
1752 };
1753 static const u8 wmm_map[4] = {
1754 [NL80211_AC_BE] = WMM_AC_BE,
1755 [NL80211_AC_BK] = WMM_AC_BK,
1756 [NL80211_AC_VI] = WMM_AC_VI,
1757 [NL80211_AC_VO] = WMM_AC_VO,
1758 };
1759 struct nlattr *nl_wmm;
1760 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
1761 int rem_wmm, ac, count = 0;
1762
1763 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM],
1764 rem_wmm) {
1765 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm,
1766 wmm_policy)) {
1767 wpa_printf(MSG_DEBUG,
1768 "nl80211: Failed to parse WMM rules attribute");
1769 return;
1770 }
1771 if (!tb_wmm[NL80211_WMMR_CW_MIN] ||
1772 !tb_wmm[NL80211_WMMR_CW_MAX] ||
1773 !tb_wmm[NL80211_WMMR_AIFSN] ||
1774 !tb_wmm[NL80211_WMMR_TXOP]) {
1775 wpa_printf(MSG_DEBUG,
1776 "nl80211: Channel is missing WMM rule attribute");
1777 return;
1778 }
1779 ac = nl_wmm->nla_type;
1780 if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) {
1781 wpa_printf(MSG_DEBUG,
1782 "nl80211: Invalid AC value %d", ac);
1783 return;
1784 }
1785
1786 ac = wmm_map[ac];
1787 chan->wmm_rules[ac].min_cwmin =
1788 cw2ecw(nla_get_u16(
1789 tb_wmm[NL80211_WMMR_CW_MIN]));
1790 chan->wmm_rules[ac].min_cwmax =
1791 cw2ecw(nla_get_u16(
1792 tb_wmm[NL80211_WMMR_CW_MAX]));
1793 chan->wmm_rules[ac].min_aifs =
1794 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]);
1795 chan->wmm_rules[ac].max_txop =
1796 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32;
1797 count++;
1798 }
1799
1800 /* Set valid flag if all the AC rules are present */
1801 if (count == WMM_AC_NUM)
1802 chan->wmm_rules_valid = 1;
1803 }
1804 }
1805
1806
phy_info_freqs(struct phy_info_arg * phy_info,struct hostapd_hw_modes * mode,struct nlattr * tb)1807 static int phy_info_freqs(struct phy_info_arg *phy_info,
1808 struct hostapd_hw_modes *mode, struct nlattr *tb)
1809 {
1810 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1811 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1812 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1813 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1814 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1815 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1816 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1817 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG },
1818 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG },
1819 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG },
1820 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG },
1821 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG },
1822 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG },
1823 };
1824 int new_channels = 0;
1825 struct hostapd_channel_data *channel;
1826 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1827 struct nlattr *nl_freq;
1828 int rem_freq, idx;
1829
1830 if (tb == NULL)
1831 return NL_OK;
1832
1833 nla_for_each_nested(nl_freq, tb, rem_freq) {
1834 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1835 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1836 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1837 continue;
1838 new_channels++;
1839 }
1840
1841 channel = os_realloc_array(mode->channels,
1842 mode->num_channels + new_channels,
1843 sizeof(struct hostapd_channel_data));
1844 if (!channel)
1845 return NL_STOP;
1846
1847 mode->channels = channel;
1848 mode->num_channels += new_channels;
1849
1850 idx = phy_info->last_chan_idx;
1851
1852 nla_for_each_nested(nl_freq, tb, rem_freq) {
1853 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1854 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1855 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1856 continue;
1857 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1858 idx++;
1859 }
1860 phy_info->last_chan_idx = idx;
1861
1862 return NL_OK;
1863 }
1864
1865
phy_info_rates(struct hostapd_hw_modes * mode,struct nlattr * tb)1866 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1867 {
1868 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1869 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1870 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1871 { .type = NLA_FLAG },
1872 };
1873 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1874 struct nlattr *nl_rate;
1875 int rem_rate, idx;
1876
1877 if (tb == NULL)
1878 return NL_OK;
1879
1880 nla_for_each_nested(nl_rate, tb, rem_rate) {
1881 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1882 nla_data(nl_rate), nla_len(nl_rate),
1883 rate_policy);
1884 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1885 continue;
1886 mode->num_rates++;
1887 }
1888
1889 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1890 if (!mode->rates)
1891 return NL_STOP;
1892
1893 idx = 0;
1894
1895 nla_for_each_nested(nl_rate, tb, rem_rate) {
1896 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1897 nla_data(nl_rate), nla_len(nl_rate),
1898 rate_policy);
1899 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1900 continue;
1901 mode->rates[idx] = nla_get_u32(
1902 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1903 idx++;
1904 }
1905
1906 return NL_OK;
1907 }
1908
1909
phy_info_iftype_copy(struct hostapd_hw_modes * mode,enum ieee80211_op_mode opmode,struct nlattr ** tb,struct nlattr ** tb_flags)1910 static void phy_info_iftype_copy(struct hostapd_hw_modes *mode,
1911 enum ieee80211_op_mode opmode,
1912 struct nlattr **tb, struct nlattr **tb_flags)
1913 {
1914 enum nl80211_iftype iftype;
1915 size_t len;
1916 struct he_capabilities *he_capab = &mode->he_capab[opmode];
1917 struct eht_capabilities *eht_capab = &mode->eht_capab[opmode];
1918
1919 switch (opmode) {
1920 case IEEE80211_MODE_INFRA:
1921 iftype = NL80211_IFTYPE_STATION;
1922 break;
1923 case IEEE80211_MODE_IBSS:
1924 iftype = NL80211_IFTYPE_ADHOC;
1925 break;
1926 case IEEE80211_MODE_AP:
1927 iftype = NL80211_IFTYPE_AP;
1928 break;
1929 case IEEE80211_MODE_MESH:
1930 iftype = NL80211_IFTYPE_MESH_POINT;
1931 break;
1932 default:
1933 return;
1934 }
1935
1936 if (!nla_get_flag(tb_flags[iftype]))
1937 return;
1938
1939 he_capab->he_supported = 1;
1940
1941 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
1942 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
1943
1944 if (len > sizeof(he_capab->phy_cap))
1945 len = sizeof(he_capab->phy_cap);
1946 os_memcpy(he_capab->phy_cap,
1947 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
1948 len);
1949 }
1950
1951 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
1952 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
1953
1954 if (len > sizeof(he_capab->mac_cap))
1955 len = sizeof(he_capab->mac_cap);
1956 os_memcpy(he_capab->mac_cap,
1957 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
1958 len);
1959 }
1960
1961 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
1962 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
1963
1964 if (len > sizeof(he_capab->mcs))
1965 len = sizeof(he_capab->mcs);
1966 os_memcpy(he_capab->mcs,
1967 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
1968 len);
1969 }
1970
1971 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
1972 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
1973
1974 if (len > sizeof(he_capab->ppet))
1975 len = sizeof(he_capab->ppet);
1976 os_memcpy(&he_capab->ppet,
1977 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
1978 len);
1979 }
1980
1981 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]) {
1982 u16 capa;
1983
1984 capa = nla_get_u16(tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]);
1985 he_capab->he_6ghz_capa = le_to_host16(capa);
1986 }
1987
1988 if (!tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC] ||
1989 !tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY])
1990 return;
1991
1992 eht_capab->eht_supported = true;
1993
1994 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC] &&
1995 nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC]) >= 2) {
1996 const u8 *pos;
1997
1998 pos = nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC]);
1999 eht_capab->mac_cap = WPA_GET_LE16(pos);
2000 }
2001
2002 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]) {
2003 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]);
2004 if (len > sizeof(eht_capab->phy_cap))
2005 len = sizeof(eht_capab->phy_cap);
2006 os_memcpy(eht_capab->phy_cap,
2007 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]),
2008 len);
2009 }
2010
2011 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]) {
2012 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]);
2013 if (len > sizeof(eht_capab->mcs))
2014 len = sizeof(eht_capab->mcs);
2015 os_memcpy(eht_capab->mcs,
2016 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]),
2017 len);
2018 }
2019
2020 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]) {
2021 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]);
2022 if (len > sizeof(eht_capab->ppet))
2023 len = sizeof(eht_capab->ppet);
2024 os_memcpy(&eht_capab->ppet,
2025 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]),
2026 len);
2027 }
2028 }
2029
2030
phy_info_iftype(struct hostapd_hw_modes * mode,struct nlattr * nl_iftype)2031 static int phy_info_iftype(struct hostapd_hw_modes *mode,
2032 struct nlattr *nl_iftype)
2033 {
2034 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
2035 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
2036 unsigned int i;
2037
2038 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
2039 nla_data(nl_iftype), nla_len(nl_iftype), NULL);
2040
2041 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
2042 return NL_STOP;
2043
2044 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
2045 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
2046 return NL_STOP;
2047
2048 for (i = 0; i < IEEE80211_MODE_NUM; i++)
2049 phy_info_iftype_copy(mode, i, tb, tb_flags);
2050
2051 return NL_OK;
2052 }
2053
2054
phy_info_band(struct phy_info_arg * phy_info,struct nlattr * nl_band)2055 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
2056 {
2057 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
2058 struct hostapd_hw_modes *mode;
2059 int ret;
2060
2061 if (phy_info->last_mode != nl_band->nla_type) {
2062 mode = os_realloc_array(phy_info->modes,
2063 *phy_info->num_modes + 1,
2064 sizeof(*mode));
2065 if (!mode) {
2066 phy_info->failed = 1;
2067 return NL_STOP;
2068 }
2069 phy_info->modes = mode;
2070
2071 mode = &phy_info->modes[*(phy_info->num_modes)];
2072 os_memset(mode, 0, sizeof(*mode));
2073 mode->mode = NUM_HOSTAPD_MODES;
2074 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
2075 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN |
2076 HOSTAPD_MODE_FLAG_HE_INFO_KNOWN;
2077
2078 /*
2079 * Unsupported VHT MCS stream is defined as value 3, so the VHT
2080 * MCS RX/TX map must be initialized with 0xffff to mark all 8
2081 * possible streams as unsupported. This will be overridden if
2082 * driver advertises VHT support.
2083 */
2084 mode->vht_mcs_set[0] = 0xff;
2085 mode->vht_mcs_set[1] = 0xff;
2086 mode->vht_mcs_set[4] = 0xff;
2087 mode->vht_mcs_set[5] = 0xff;
2088
2089 *(phy_info->num_modes) += 1;
2090 phy_info->last_mode = nl_band->nla_type;
2091 phy_info->last_chan_idx = 0;
2092 } else
2093 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
2094
2095 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
2096 nla_len(nl_band), NULL);
2097
2098 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
2099 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
2100 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
2101 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
2102 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
2103 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
2104 ret = phy_info_edmg_capa(mode,
2105 tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG],
2106 tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]);
2107 if (ret == NL_OK)
2108 ret = phy_info_freqs(phy_info, mode,
2109 tb_band[NL80211_BAND_ATTR_FREQS]);
2110 if (ret == NL_OK)
2111 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
2112 if (ret != NL_OK) {
2113 phy_info->failed = 1;
2114 return ret;
2115 }
2116
2117 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
2118 struct nlattr *nl_iftype;
2119 int rem_band;
2120
2121 nla_for_each_nested(nl_iftype,
2122 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA],
2123 rem_band) {
2124 ret = phy_info_iftype(mode, nl_iftype);
2125 if (ret != NL_OK)
2126 return ret;
2127 }
2128 }
2129
2130 return NL_OK;
2131 }
2132
2133
phy_info_handler(struct nl_msg * msg,void * arg)2134 static int phy_info_handler(struct nl_msg *msg, void *arg)
2135 {
2136 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2137 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2138 struct phy_info_arg *phy_info = arg;
2139 struct nlattr *nl_band;
2140 int rem_band;
2141
2142 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2143 genlmsg_attrlen(gnlh, 0), NULL);
2144
2145 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
2146 return NL_SKIP;
2147
2148 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
2149 {
2150 int res = phy_info_band(phy_info, nl_band);
2151 if (res != NL_OK)
2152 return res;
2153 }
2154
2155 return NL_SKIP;
2156 }
2157
2158
2159 static struct hostapd_hw_modes *
wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes * modes,u16 * num_modes)2160 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
2161 u16 *num_modes)
2162 {
2163 u16 m;
2164 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
2165 int i, mode11g_idx = -1;
2166
2167 /* heuristic to set up modes */
2168 for (m = 0; m < *num_modes; m++) {
2169 if (!modes[m].num_channels)
2170 continue;
2171 if (modes[m].channels[0].freq < 2000) {
2172 modes[m].num_channels = 0;
2173 continue;
2174 } else if (modes[m].channels[0].freq < 4000) {
2175 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
2176 for (i = 0; i < modes[m].num_rates; i++) {
2177 if (modes[m].rates[i] > 200) {
2178 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
2179 break;
2180 }
2181 }
2182 } else if (modes[m].channels[0].freq > 50000)
2183 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
2184 else
2185 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
2186 }
2187
2188 /* Remove unsupported bands */
2189 m = 0;
2190 while (m < *num_modes) {
2191 if (modes[m].mode == NUM_HOSTAPD_MODES) {
2192 wpa_printf(MSG_DEBUG,
2193 "nl80211: Remove unsupported mode");
2194 os_free(modes[m].channels);
2195 os_free(modes[m].rates);
2196 if (m + 1 < *num_modes)
2197 os_memmove(&modes[m], &modes[m + 1],
2198 sizeof(struct hostapd_hw_modes) *
2199 (*num_modes - (m + 1)));
2200 (*num_modes)--;
2201 continue;
2202 }
2203 m++;
2204 }
2205
2206 /* If only 802.11g mode is included, use it to construct matching
2207 * 802.11b mode data. */
2208
2209 for (m = 0; m < *num_modes; m++) {
2210 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
2211 return modes; /* 802.11b already included */
2212 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
2213 mode11g_idx = m;
2214 }
2215
2216 if (mode11g_idx < 0)
2217 return modes; /* 2.4 GHz band not supported at all */
2218
2219 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
2220 if (nmodes == NULL)
2221 return modes; /* Could not add 802.11b mode */
2222
2223 mode = &nmodes[*num_modes];
2224 os_memset(mode, 0, sizeof(*mode));
2225 (*num_modes)++;
2226 modes = nmodes;
2227
2228 mode->mode = HOSTAPD_MODE_IEEE80211B;
2229
2230 mode11g = &modes[mode11g_idx];
2231 mode->num_channels = mode11g->num_channels;
2232 mode->channels = os_memdup(mode11g->channels,
2233 mode11g->num_channels *
2234 sizeof(struct hostapd_channel_data));
2235 if (mode->channels == NULL) {
2236 (*num_modes)--;
2237 return modes; /* Could not add 802.11b mode */
2238 }
2239
2240 mode->num_rates = 0;
2241 mode->rates = os_malloc(4 * sizeof(int));
2242 if (mode->rates == NULL) {
2243 os_free(mode->channels);
2244 (*num_modes)--;
2245 return modes; /* Could not add 802.11b mode */
2246 }
2247
2248 for (i = 0; i < mode11g->num_rates; i++) {
2249 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
2250 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
2251 continue;
2252 mode->rates[mode->num_rates] = mode11g->rates[i];
2253 mode->num_rates++;
2254 if (mode->num_rates == 4)
2255 break;
2256 }
2257
2258 if (mode->num_rates == 0) {
2259 os_free(mode->channels);
2260 os_free(mode->rates);
2261 (*num_modes)--;
2262 return modes; /* No 802.11b rates */
2263 }
2264
2265 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
2266 "information");
2267
2268 return modes;
2269 }
2270
2271
nl80211_set_ht40_mode(struct hostapd_hw_modes * mode,int start,int end)2272 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
2273 int end)
2274 {
2275 int c;
2276
2277 for (c = 0; c < mode->num_channels; c++) {
2278 struct hostapd_channel_data *chan = &mode->channels[c];
2279 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
2280 chan->flag |= HOSTAPD_CHAN_HT40;
2281 }
2282 }
2283
2284
nl80211_set_ht40_mode_sec(struct hostapd_hw_modes * mode,int start,int end)2285 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
2286 int end)
2287 {
2288 int c;
2289
2290 for (c = 0; c < mode->num_channels; c++) {
2291 struct hostapd_channel_data *chan = &mode->channels[c];
2292 if (!(chan->flag & HOSTAPD_CHAN_HT40))
2293 continue;
2294 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
2295 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
2296 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
2297 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
2298 }
2299 }
2300
2301
nl80211_reg_rule_max_eirp(u32 start,u32 end,u32 max_eirp,struct phy_info_arg * results)2302 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
2303 struct phy_info_arg *results)
2304 {
2305 u16 m;
2306
2307 for (m = 0; m < *results->num_modes; m++) {
2308 int c;
2309 struct hostapd_hw_modes *mode = &results->modes[m];
2310
2311 for (c = 0; c < mode->num_channels; c++) {
2312 struct hostapd_channel_data *chan = &mode->channels[c];
2313 if ((u32) chan->freq - 10 >= start &&
2314 (u32) chan->freq + 10 <= end)
2315 chan->max_tx_power = max_eirp;
2316 }
2317 }
2318 }
2319
2320
nl80211_reg_rule_ht40(u32 start,u32 end,struct phy_info_arg * results)2321 static void nl80211_reg_rule_ht40(u32 start, u32 end,
2322 struct phy_info_arg *results)
2323 {
2324 u16 m;
2325
2326 for (m = 0; m < *results->num_modes; m++) {
2327 if (!(results->modes[m].ht_capab &
2328 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2329 continue;
2330 nl80211_set_ht40_mode(&results->modes[m], start, end);
2331 }
2332 }
2333
2334
nl80211_reg_rule_sec(struct nlattr * tb[],struct phy_info_arg * results)2335 static void nl80211_reg_rule_sec(struct nlattr *tb[],
2336 struct phy_info_arg *results)
2337 {
2338 u32 start, end, max_bw;
2339 u16 m;
2340
2341 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2342 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2343 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2344 return;
2345
2346 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2347 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2348 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2349
2350 if (max_bw < 20)
2351 return;
2352
2353 for (m = 0; m < *results->num_modes; m++) {
2354 if (!(results->modes[m].ht_capab &
2355 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2356 continue;
2357 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
2358 }
2359 }
2360
2361
nl80211_set_vht_mode(struct hostapd_hw_modes * mode,int start,int end,int max_bw)2362 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
2363 int end, int max_bw)
2364 {
2365 int c;
2366
2367 for (c = 0; c < mode->num_channels; c++) {
2368 struct hostapd_channel_data *chan = &mode->channels[c];
2369
2370 if (chan->freq - 10 < start || chan->freq + 10 > end)
2371 continue;
2372
2373 if (max_bw >= 80)
2374 chan->flag |= HOSTAPD_CHAN_VHT_80MHZ_SUBCHANNEL;
2375
2376 if (max_bw >= 160)
2377 chan->flag |= HOSTAPD_CHAN_VHT_160MHZ_SUBCHANNEL;
2378 }
2379 }
2380
2381
nl80211_reg_rule_vht(struct nlattr * tb[],struct phy_info_arg * results)2382 static void nl80211_reg_rule_vht(struct nlattr *tb[],
2383 struct phy_info_arg *results)
2384 {
2385 u32 start, end, max_bw;
2386 u16 m;
2387
2388 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2389 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2390 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2391 return;
2392
2393 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2394 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2395 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2396
2397 if (max_bw < 80)
2398 return;
2399
2400 for (m = 0; m < *results->num_modes; m++) {
2401 if (!(results->modes[m].ht_capab &
2402 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2403 continue;
2404 /* TODO: use a real VHT support indication */
2405 if (!results->modes[m].vht_capab)
2406 continue;
2407
2408 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
2409 }
2410 }
2411
2412
nl80211_set_dfs_domain(enum nl80211_dfs_regions region,u8 * dfs_domain)2413 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
2414 u8 *dfs_domain)
2415 {
2416 if (region == NL80211_DFS_FCC)
2417 *dfs_domain = HOSTAPD_DFS_REGION_FCC;
2418 else if (region == NL80211_DFS_ETSI)
2419 *dfs_domain = HOSTAPD_DFS_REGION_ETSI;
2420 else if (region == NL80211_DFS_JP)
2421 *dfs_domain = HOSTAPD_DFS_REGION_JP;
2422 else
2423 *dfs_domain = 0;
2424 }
2425
2426
dfs_domain_name(enum nl80211_dfs_regions region)2427 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
2428 {
2429 switch (region) {
2430 case NL80211_DFS_UNSET:
2431 return "DFS-UNSET";
2432 case NL80211_DFS_FCC:
2433 return "DFS-FCC";
2434 case NL80211_DFS_ETSI:
2435 return "DFS-ETSI";
2436 case NL80211_DFS_JP:
2437 return "DFS-JP";
2438 default:
2439 return "DFS-invalid";
2440 }
2441 }
2442
2443
nl80211_get_reg(struct nl_msg * msg,void * arg)2444 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
2445 {
2446 struct phy_info_arg *results = arg;
2447 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2448 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2449 struct nlattr *nl_rule;
2450 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
2451 int rem_rule;
2452 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2453 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
2454 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
2455 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
2456 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
2457 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
2458 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
2459 };
2460
2461 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2462 genlmsg_attrlen(gnlh, 0), NULL);
2463 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
2464 !tb_msg[NL80211_ATTR_REG_RULES]) {
2465 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
2466 "available");
2467 return NL_SKIP;
2468 }
2469
2470 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
2471 enum nl80211_dfs_regions dfs_domain;
2472 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
2473 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
2474 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
2475 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
2476 dfs_domain_name(dfs_domain));
2477 } else {
2478 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
2479 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
2480 }
2481
2482 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2483 {
2484 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
2485 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2486 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2487 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2488 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
2489 continue;
2490 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2491 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2492 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2493 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
2494 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2495 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2496 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
2497 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
2498
2499 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
2500 start, end, max_bw, max_eirp,
2501 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
2502 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
2503 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
2504 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
2505 "",
2506 flags & NL80211_RRF_DFS ? " (DFS)" : "",
2507 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
2508 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
2509 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
2510 if (max_bw >= 40)
2511 nl80211_reg_rule_ht40(start, end, results);
2512 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2513 nl80211_reg_rule_max_eirp(start, end, max_eirp,
2514 results);
2515 }
2516
2517 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2518 {
2519 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2520 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2521 nl80211_reg_rule_sec(tb_rule, results);
2522 }
2523
2524 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2525 {
2526 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2527 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2528 nl80211_reg_rule_vht(tb_rule, results);
2529 }
2530
2531 return NL_SKIP;
2532 }
2533
2534
nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data * drv,struct phy_info_arg * results)2535 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
2536 struct phy_info_arg *results)
2537 {
2538 struct nl_msg *msg;
2539
2540 msg = nlmsg_alloc();
2541 if (!msg)
2542 return -ENOMEM;
2543
2544 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
2545 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
2546 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
2547 nlmsg_free(msg);
2548 return -1;
2549 }
2550 }
2551
2552 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results,
2553 NULL, NULL);
2554 }
2555
2556
modestr(enum hostapd_hw_mode mode)2557 static const char * modestr(enum hostapd_hw_mode mode)
2558 {
2559 switch (mode) {
2560 case HOSTAPD_MODE_IEEE80211B:
2561 return "802.11b";
2562 case HOSTAPD_MODE_IEEE80211G:
2563 return "802.11g";
2564 case HOSTAPD_MODE_IEEE80211A:
2565 return "802.11a";
2566 case HOSTAPD_MODE_IEEE80211AD:
2567 return "802.11ad";
2568 default:
2569 return "?";
2570 }
2571 }
2572
2573
nl80211_dump_chan_list(struct wpa_driver_nl80211_data * drv,struct hostapd_hw_modes * modes,u16 num_modes)2574 static void nl80211_dump_chan_list(struct wpa_driver_nl80211_data *drv,
2575 struct hostapd_hw_modes *modes,
2576 u16 num_modes)
2577 {
2578 int i;
2579
2580 if (!modes)
2581 return;
2582
2583 for (i = 0; i < num_modes; i++) {
2584 struct hostapd_hw_modes *mode = &modes[i];
2585 char str[1000];
2586 char *pos = str;
2587 char *end = pos + sizeof(str);
2588 int j, res;
2589
2590 for (j = 0; j < mode->num_channels; j++) {
2591 struct hostapd_channel_data *chan = &mode->channels[j];
2592
2593 if (is_6ghz_freq(chan->freq))
2594 drv->uses_6ghz = true;
2595 res = os_snprintf(pos, end - pos, " %d%s%s%s",
2596 chan->freq,
2597 (chan->flag & HOSTAPD_CHAN_DISABLED) ?
2598 "[DISABLED]" : "",
2599 (chan->flag & HOSTAPD_CHAN_NO_IR) ?
2600 "[NO_IR]" : "",
2601 (chan->flag & HOSTAPD_CHAN_RADAR) ?
2602 "[RADAR]" : "");
2603 if (os_snprintf_error(end - pos, res))
2604 break;
2605 pos += res;
2606 }
2607
2608 *pos = '\0';
2609 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
2610 modestr(mode->mode), str);
2611 }
2612 }
2613
2614
2615 struct hostapd_hw_modes *
nl80211_get_hw_feature_data(void * priv,u16 * num_modes,u16 * flags,u8 * dfs_domain)2616 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
2617 u8 *dfs_domain)
2618 {
2619 u32 feat;
2620 struct i802_bss *bss = priv;
2621 struct wpa_driver_nl80211_data *drv = bss->drv;
2622 int nl_flags = 0;
2623 struct nl_msg *msg;
2624 struct phy_info_arg result = {
2625 .num_modes = num_modes,
2626 .modes = NULL,
2627 .last_mode = -1,
2628 .failed = 0,
2629 .dfs_domain = 0,
2630 };
2631
2632 *num_modes = 0;
2633 *flags = 0;
2634 *dfs_domain = 0;
2635
2636 feat = get_nl80211_protocol_features(drv);
2637 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
2638 nl_flags = NLM_F_DUMP;
2639 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
2640 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
2641 nlmsg_free(msg);
2642 return NULL;
2643 }
2644
2645 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result,
2646 NULL, NULL) == 0) {
2647 struct hostapd_hw_modes *modes;
2648
2649 nl80211_set_regulatory_flags(drv, &result);
2650 if (result.failed) {
2651 int i;
2652
2653 for (i = 0; result.modes && i < *num_modes; i++) {
2654 os_free(result.modes[i].channels);
2655 os_free(result.modes[i].rates);
2656 }
2657 os_free(result.modes);
2658 *num_modes = 0;
2659 return NULL;
2660 }
2661
2662 *dfs_domain = result.dfs_domain;
2663
2664 modes = wpa_driver_nl80211_postprocess_modes(result.modes,
2665 num_modes);
2666 nl80211_dump_chan_list(drv, modes, *num_modes);
2667 return modes;
2668 }
2669
2670 return NULL;
2671 }
2672