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 case QCA_NL80211_VENDOR_SUBCMD_CONNECT_EXT:
1124 drv->connect_ext_vendor_cmd_avail = 1;
1125 break;
1126 #endif /* CONFIG_DRIVER_NL80211_QCA */
1127 }
1128 #ifdef CONFIG_DRIVER_NL80211_BRCM
1129 } else if (vinfo->vendor_id == OUI_BRCM) {
1130 switch (vinfo->subcmd) {
1131 case BRCM_VENDOR_SCMD_ACS:
1132 drv->capa.flags |=
1133 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1134 wpa_printf(MSG_DEBUG,
1135 "Enabled BRCM ACS");
1136 drv->brcm_do_acs = 1;
1137 break;
1138 }
1139 #endif /* CONFIG_DRIVER_NL80211_BRCM */
1140 }
1141
1142 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
1143 vinfo->vendor_id, vinfo->subcmd);
1144 }
1145 }
1146
1147 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
1148 struct nlattr *nl;
1149 int rem;
1150
1151 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
1152 struct nl80211_vendor_cmd_info *vinfo;
1153 if (nla_len(nl) != sizeof(*vinfo)) {
1154 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1155 continue;
1156 }
1157 vinfo = nla_data(nl);
1158 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
1159 vinfo->vendor_id, vinfo->subcmd);
1160 }
1161 }
1162
1163 wiphy_info_wowlan_triggers(capa,
1164 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
1165
1166 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
1167 capa->max_stations =
1168 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
1169
1170 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
1171 capa->max_csa_counters =
1172 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
1173
1174 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG])
1175 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY;
1176
1177 if (tb[NL80211_ATTR_MAX_NUM_AKM_SUITES])
1178 capa->max_num_akms =
1179 nla_get_u16(tb[NL80211_ATTR_MAX_NUM_AKM_SUITES]);
1180
1181 if (tb[NL80211_ATTR_MBSSID_CONFIG])
1182 wiphy_info_mbssid(capa, tb[NL80211_ATTR_MBSSID_CONFIG]);
1183
1184 if (tb[NL80211_ATTR_MLO_SUPPORT])
1185 capa->flags2 |= WPA_DRIVER_FLAGS2_MLO;
1186
1187 return NL_SKIP;
1188 }
1189
1190
wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data * drv,struct wiphy_info_data * info)1191 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
1192 struct wiphy_info_data *info)
1193 {
1194 u32 feat;
1195 struct nl_msg *msg;
1196 int flags = 0;
1197
1198 os_memset(info, 0, sizeof(*info));
1199 info->capa = &drv->capa;
1200 info->drv = drv;
1201
1202 feat = get_nl80211_protocol_features(drv);
1203 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1204 flags = NLM_F_DUMP;
1205 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
1206 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1207 nlmsg_free(msg);
1208 return -1;
1209 }
1210
1211 if (send_and_recv_resp(drv, msg, wiphy_info_handler, info))
1212 return -1;
1213
1214 if (info->auth_supported)
1215 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
1216 else if (!info->connect_supported) {
1217 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
1218 "authentication/association or connect commands");
1219 info->error = 1;
1220 }
1221
1222 if (info->p2p_go_supported && info->p2p_client_supported)
1223 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
1224 if (info->p2p_concurrent) {
1225 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
1226 "interface (driver advertised support)");
1227 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
1228 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
1229 }
1230 if (info->num_multichan_concurrent > 1) {
1231 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
1232 "concurrent (driver advertised support)");
1233 drv->capa.num_multichan_concurrent =
1234 info->num_multichan_concurrent;
1235 }
1236 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
1237 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
1238
1239 /* default to 5000 since early versions of mac80211 don't set it */
1240 if (!drv->capa.max_remain_on_chan)
1241 drv->capa.max_remain_on_chan = 5000;
1242
1243 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
1244
1245 drv->capa.mac_addr_rand_sched_scan_supported =
1246 info->mac_addr_rand_sched_scan_supported;
1247 drv->capa.mac_addr_rand_scan_supported =
1248 info->mac_addr_rand_scan_supported;
1249
1250 if (info->channel_switch_supported) {
1251 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
1252 if (!drv->capa.max_csa_counters)
1253 drv->capa.max_csa_counters = 1;
1254 }
1255
1256 if (!drv->capa.max_sched_scan_plans) {
1257 drv->capa.max_sched_scan_plans = 1;
1258 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
1259 drv->capa.max_sched_scan_plan_iterations = 0;
1260 }
1261
1262 if (info->update_ft_ies_supported)
1263 drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES;
1264
1265 if (!drv->capa.max_num_akms)
1266 drv->capa.max_num_akms = NL80211_MAX_NR_AKM_SUITES;
1267
1268 return 0;
1269 }
1270
1271
1272 #ifdef CONFIG_DRIVER_NL80211_QCA
1273
dfs_info_handler(struct nl_msg * msg,void * arg)1274 static int dfs_info_handler(struct nl_msg *msg, void *arg)
1275 {
1276 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1277 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1278 int *dfs_capability_ptr = arg;
1279
1280 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1281 genlmsg_attrlen(gnlh, 0), NULL);
1282
1283 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1284 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1285 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1286
1287 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1288 nla_data(nl_vend), nla_len(nl_vend), NULL);
1289
1290 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
1291 u32 val;
1292 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
1293 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
1294 val);
1295 *dfs_capability_ptr = val;
1296 }
1297 }
1298
1299 return NL_SKIP;
1300 }
1301
1302
qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data * drv)1303 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
1304 {
1305 struct nl_msg *msg;
1306 int dfs_capability = 0;
1307 int ret;
1308
1309 if (!drv->dfs_vendor_cmd_avail)
1310 return;
1311
1312 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1313 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1314 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1315 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
1316 nlmsg_free(msg);
1317 return;
1318 }
1319
1320 ret = send_and_recv_resp(drv, msg, dfs_info_handler, &dfs_capability);
1321 if (!ret && dfs_capability)
1322 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
1323 }
1324
1325
1326 struct features_info {
1327 u8 *flags;
1328 size_t flags_len;
1329 struct wpa_driver_capa *capa;
1330 };
1331
1332
features_info_handler(struct nl_msg * msg,void * arg)1333 static int features_info_handler(struct nl_msg *msg, void *arg)
1334 {
1335 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1336 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1337 struct features_info *info = arg;
1338 struct nlattr *nl_vend, *attr;
1339
1340 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1341 genlmsg_attrlen(gnlh, 0), NULL);
1342
1343 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1344 if (nl_vend) {
1345 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1346
1347 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1348 nla_data(nl_vend), nla_len(nl_vend), NULL);
1349
1350 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
1351 if (attr) {
1352 int len = nla_len(attr);
1353 info->flags = os_malloc(len);
1354 if (info->flags != NULL) {
1355 os_memcpy(info->flags, nla_data(attr), len);
1356 info->flags_len = len;
1357 }
1358 }
1359 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
1360 if (attr)
1361 info->capa->conc_capab = nla_get_u32(attr);
1362
1363 attr = tb_vendor[
1364 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
1365 if (attr)
1366 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
1367
1368 attr = tb_vendor[
1369 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
1370 if (attr)
1371 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
1372 }
1373
1374 return NL_SKIP;
1375 }
1376
1377
check_feature(enum qca_wlan_vendor_features feature,struct features_info * info)1378 static int check_feature(enum qca_wlan_vendor_features feature,
1379 struct features_info *info)
1380 {
1381 size_t idx = feature / 8;
1382
1383 return (idx < info->flags_len) &&
1384 (info->flags[idx] & BIT(feature % 8));
1385 }
1386
1387
qca_nl80211_get_features(struct wpa_driver_nl80211_data * drv)1388 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
1389 {
1390 struct nl_msg *msg;
1391 struct features_info info;
1392 int ret;
1393
1394 if (!drv->get_features_vendor_cmd_avail)
1395 return;
1396
1397 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1398 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1399 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1400 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
1401 nlmsg_free(msg);
1402 return;
1403 }
1404
1405 os_memset(&info, 0, sizeof(info));
1406 info.capa = &drv->capa;
1407 ret = send_and_recv_resp(drv, msg, features_info_handler, &info);
1408 if (ret || !info.flags)
1409 return;
1410
1411 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
1412 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
1413
1414 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
1415 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1416
1417 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
1418 &info))
1419 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1420 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
1421 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
1422 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info))
1423 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA;
1424 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info))
1425 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP;
1426 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info))
1427 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON;
1428 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_LTF_STA, &info))
1429 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_STA;
1430 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_LTF_AP, &info))
1431 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_AP;
1432 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_RTT_STA, &info))
1433 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_STA;
1434 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_RTT_AP, &info))
1435 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_AP;
1436 if (check_feature(
1437 QCA_WLAN_VENDOR_FEATURE_PROT_RANGE_NEGO_AND_MEASURE_STA,
1438 &info))
1439 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_STA;
1440 if (check_feature(
1441 QCA_WLAN_VENDOR_FEATURE_PROT_RANGE_NEGO_AND_MEASURE_AP,
1442 &info))
1443 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP;
1444 if (check_feature(QCA_WLAN_VENDOR_FEATURE_AP_ALLOWED_FREQ_LIST,
1445 &info))
1446 drv->qca_ap_allowed_freqs = 1;
1447 if (check_feature(QCA_WLAN_VENDOR_FEATURE_HT_VHT_TWT_RESPONDER, &info))
1448 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_HT_VHT_TWT_RESPONDER;
1449 if (check_feature(QCA_WLAN_VENDOR_FEATURE_RSN_OVERRIDE_STA, &info)) {
1450 wpa_printf(MSG_DEBUG,
1451 "The driver supports RSN overriding in STA mode");
1452 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_RSN_OVERRIDE_STA;
1453 }
1454
1455 os_free(info.flags);
1456 }
1457
1458 #endif /* CONFIG_DRIVER_NL80211_QCA */
1459
1460
wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data * drv)1461 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
1462 {
1463 struct wiphy_info_data info;
1464 int i;
1465
1466 if (wpa_driver_nl80211_get_info(drv, &info))
1467 return -1;
1468
1469 if (info.error)
1470 return -1;
1471
1472 drv->has_capability = 1;
1473 drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype;
1474
1475 /* Fallback to hardcoded defaults if the driver does not advertise any
1476 * AKM capabilities. */
1477 if (!drv->has_driver_key_mgmt) {
1478 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1479 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1480 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1481 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1482 WPA_DRIVER_CAPA_KEY_MGMT_PSK_SHA256 |
1483 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1484 WPA_DRIVER_CAPA_KEY_MGMT_OWE |
1485 WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1486
1487 if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
1488 WPA_DRIVER_CAPA_ENC_GCMP_256))
1489 drv->capa.key_mgmt |=
1490 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1491
1492 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
1493 drv->capa.key_mgmt |=
1494 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1495 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
1496 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
1497 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
1498 WPA_DRIVER_CAPA_KEY_MGMT_SAE_EXT_KEY |
1499 WPA_DRIVER_CAPA_KEY_MGMT_SAE;
1500 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
1501 drv->capa.key_mgmt |=
1502 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1503 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
1504 }
1505
1506 if (!info.has_key_mgmt_iftype) {
1507 /* If the driver does not advertize per interface AKM
1508 * capabilities, consider all interfaces to support default AKMs
1509 * in key_mgmt. */
1510 for (i = 0; i < WPA_IF_MAX; i++)
1511 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
1512 } else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) {
1513 /* If the driver advertizes only per interface supported AKMs
1514 * but does not advertize per wiphy AKM capabilities, consider
1515 * the default key_mgmt as a mask of per interface supported
1516 * AKMs. */
1517 drv->capa.key_mgmt = 0;
1518 for (i = 0; i < WPA_IF_MAX; i++)
1519 drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i];
1520 } else if (info.has_key_mgmt_iftype && info.has_key_mgmt) {
1521 /* If the driver advertizes AKM capabilities both per wiphy and
1522 * per interface, consider the interfaces for which per
1523 * interface AKM capabilities were not received to support the
1524 * default key_mgmt capabilities.
1525 */
1526 for (i = 0; i < WPA_IF_MAX; i++)
1527 if (!drv->capa.key_mgmt_iftype[i])
1528 drv->capa.key_mgmt_iftype[i] =
1529 drv->capa.key_mgmt;
1530 }
1531
1532 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1533 WPA_DRIVER_AUTH_SHARED |
1534 WPA_DRIVER_AUTH_LEAP;
1535
1536 drv->capa.flags |= WPA_DRIVER_FLAGS_VALID_ERROR_CODES;
1537 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1538 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1539
1540 /*
1541 * As all cfg80211 drivers must support cases where the AP interface is
1542 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1543 * case that the user space daemon has crashed, they must be able to
1544 * cleanup all stations and key entries in the AP tear down flow. Thus,
1545 * this flag can/should always be set for cfg80211 drivers.
1546 */
1547 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1548
1549 if (!info.device_ap_sme) {
1550 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1551 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_AP_SME;
1552
1553 /*
1554 * No AP SME is currently assumed to also indicate no AP MLME
1555 * in the driver/firmware.
1556 */
1557 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1558 }
1559
1560 drv->device_ap_sme = info.device_ap_sme;
1561 drv->poll_command_supported = info.poll_command_supported;
1562 drv->data_tx_status = info.data_tx_status;
1563 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1564 if (info.set_qos_map_supported)
1565 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1566 drv->have_low_prio_scan = info.have_low_prio_scan;
1567
1568 /*
1569 * If poll command and tx status are supported, mac80211 is new enough
1570 * to have everything we need to not need monitor interfaces.
1571 */
1572 drv->use_monitor = !info.device_ap_sme &&
1573 (!info.poll_command_supported || !info.data_tx_status);
1574
1575 /*
1576 * If we aren't going to use monitor interfaces, but the
1577 * driver doesn't support data TX status, we won't get TX
1578 * status for EAPOL frames.
1579 */
1580 if (!drv->use_monitor && !info.data_tx_status)
1581 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1582
1583 #ifdef CONFIG_DRIVER_NL80211_QCA
1584 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD))
1585 qca_nl80211_check_dfs_capa(drv);
1586 qca_nl80211_get_features(drv);
1587
1588 /*
1589 * To enable offchannel simultaneous support in wpa_supplicant, the
1590 * underlying driver needs to support the same along with offchannel TX.
1591 * Offchannel TX support is needed since remain_on_channel and
1592 * action_tx use some common data structures and hence cannot be
1593 * scheduled simultaneously.
1594 */
1595 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1596 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1597 #endif /* CONFIG_DRIVER_NL80211_QCA */
1598
1599 wpa_printf(MSG_DEBUG,
1600 "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",
1601 drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth,
1602 (unsigned long long) drv->capa.flags,
1603 (unsigned long long) drv->capa.flags2, drv->capa.rrm_flags,
1604 drv->capa.probe_resp_offloads, drv->capa.max_stations,
1605 drv->capa.max_remain_on_chan, drv->capa.max_scan_ssids);
1606 return 0;
1607 }
1608
1609
1610 struct phy_info_arg {
1611 u16 *num_modes;
1612 struct hostapd_hw_modes *modes;
1613 int last_mode, last_chan_idx;
1614 int failed;
1615 u8 dfs_domain;
1616 };
1617
phy_info_ht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * ampdu_factor,struct nlattr * ampdu_density,struct nlattr * mcs_set)1618 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1619 struct nlattr *ampdu_factor,
1620 struct nlattr *ampdu_density,
1621 struct nlattr *mcs_set)
1622 {
1623 if (capa)
1624 mode->ht_capab = nla_get_u16(capa);
1625
1626 if (ampdu_factor)
1627 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1628
1629 if (ampdu_density)
1630 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1631
1632 if (mcs_set && nla_len(mcs_set) >= 16) {
1633 u8 *mcs;
1634 mcs = nla_data(mcs_set);
1635 os_memcpy(mode->mcs_set, mcs, 16);
1636 }
1637 }
1638
1639
phy_info_vht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * mcs_set)1640 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1641 struct nlattr *capa,
1642 struct nlattr *mcs_set)
1643 {
1644 if (capa)
1645 mode->vht_capab = nla_get_u32(capa);
1646
1647 if (mcs_set && nla_len(mcs_set) >= 8) {
1648 u8 *mcs;
1649 mcs = nla_data(mcs_set);
1650 os_memcpy(mode->vht_mcs_set, mcs, 8);
1651 }
1652 }
1653
1654
phy_info_edmg_capa(struct hostapd_hw_modes * mode,struct nlattr * bw_config,struct nlattr * channels)1655 static int phy_info_edmg_capa(struct hostapd_hw_modes *mode,
1656 struct nlattr *bw_config,
1657 struct nlattr *channels)
1658 {
1659 if (!bw_config || !channels)
1660 return NL_OK;
1661
1662 mode->edmg.bw_config = nla_get_u8(bw_config);
1663 mode->edmg.channels = nla_get_u8(channels);
1664
1665 if (!mode->edmg.channels || !mode->edmg.bw_config)
1666 return NL_STOP;
1667
1668 return NL_OK;
1669 }
1670
1671
cw2ecw(unsigned int cw)1672 static int cw2ecw(unsigned int cw)
1673 {
1674 int bit;
1675
1676 if (cw == 0)
1677 return 0;
1678
1679 for (bit = 1; cw != 1; bit++)
1680 cw >>= 1;
1681
1682 return bit;
1683 }
1684
1685
phy_info_freq(struct hostapd_hw_modes * mode,struct hostapd_channel_data * chan,struct nlattr * tb_freq[])1686 static void phy_info_freq(struct hostapd_hw_modes *mode,
1687 struct hostapd_channel_data *chan,
1688 struct nlattr *tb_freq[])
1689 {
1690 u8 channel;
1691
1692 os_memset(chan, 0, sizeof(*chan));
1693 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1694 chan->flag = 0;
1695 chan->allowed_bw = ~0;
1696 chan->dfs_cac_ms = 0;
1697 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1698 chan->chan = channel;
1699 else
1700 wpa_printf(MSG_DEBUG,
1701 "nl80211: No channel number found for frequency %u MHz",
1702 chan->freq);
1703
1704 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1705 chan->flag |= HOSTAPD_CHAN_DISABLED;
1706 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1707 chan->flag |= HOSTAPD_CHAN_NO_IR;
1708 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1709 chan->flag |= HOSTAPD_CHAN_RADAR;
1710 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1711 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1712 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1713 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1714
1715 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
1716 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10;
1717 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
1718 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20;
1719 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
1720 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P;
1721 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
1722 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M;
1723 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
1724 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80;
1725 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
1726 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160;
1727
1728 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1729 enum nl80211_dfs_state state =
1730 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1731
1732 switch (state) {
1733 case NL80211_DFS_USABLE:
1734 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1735 break;
1736 case NL80211_DFS_AVAILABLE:
1737 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1738 break;
1739 case NL80211_DFS_UNAVAILABLE:
1740 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1741 break;
1742 }
1743 }
1744
1745 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1746 chan->dfs_cac_ms = nla_get_u32(
1747 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1748 }
1749
1750 chan->wmm_rules_valid = 0;
1751 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) {
1752 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = {
1753 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 },
1754 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 },
1755 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
1756 [NL80211_WMMR_TXOP] = { .type = NLA_U16 },
1757 };
1758 static const u8 wmm_map[4] = {
1759 [NL80211_AC_BE] = WMM_AC_BE,
1760 [NL80211_AC_BK] = WMM_AC_BK,
1761 [NL80211_AC_VI] = WMM_AC_VI,
1762 [NL80211_AC_VO] = WMM_AC_VO,
1763 };
1764 struct nlattr *nl_wmm;
1765 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
1766 int rem_wmm, ac, count = 0;
1767
1768 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM],
1769 rem_wmm) {
1770 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm,
1771 wmm_policy)) {
1772 wpa_printf(MSG_DEBUG,
1773 "nl80211: Failed to parse WMM rules attribute");
1774 return;
1775 }
1776 if (!tb_wmm[NL80211_WMMR_CW_MIN] ||
1777 !tb_wmm[NL80211_WMMR_CW_MAX] ||
1778 !tb_wmm[NL80211_WMMR_AIFSN] ||
1779 !tb_wmm[NL80211_WMMR_TXOP]) {
1780 wpa_printf(MSG_DEBUG,
1781 "nl80211: Channel is missing WMM rule attribute");
1782 return;
1783 }
1784 ac = nl_wmm->nla_type;
1785 if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) {
1786 wpa_printf(MSG_DEBUG,
1787 "nl80211: Invalid AC value %d", ac);
1788 return;
1789 }
1790
1791 ac = wmm_map[ac];
1792 chan->wmm_rules[ac].min_cwmin =
1793 cw2ecw(nla_get_u16(
1794 tb_wmm[NL80211_WMMR_CW_MIN]));
1795 chan->wmm_rules[ac].min_cwmax =
1796 cw2ecw(nla_get_u16(
1797 tb_wmm[NL80211_WMMR_CW_MAX]));
1798 chan->wmm_rules[ac].min_aifs =
1799 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]);
1800 chan->wmm_rules[ac].max_txop =
1801 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32;
1802 count++;
1803 }
1804
1805 /* Set valid flag if all the AC rules are present */
1806 if (count == WMM_AC_NUM)
1807 chan->wmm_rules_valid = 1;
1808 }
1809 }
1810
1811
phy_info_freqs(struct phy_info_arg * phy_info,struct hostapd_hw_modes * mode,struct nlattr * tb)1812 static int phy_info_freqs(struct phy_info_arg *phy_info,
1813 struct hostapd_hw_modes *mode, struct nlattr *tb)
1814 {
1815 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1816 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1817 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1818 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1819 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1820 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1821 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1822 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG },
1823 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG },
1824 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG },
1825 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG },
1826 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG },
1827 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG },
1828 };
1829 int new_channels = 0;
1830 struct hostapd_channel_data *channel;
1831 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1832 struct nlattr *nl_freq;
1833 int rem_freq, idx;
1834
1835 if (tb == NULL)
1836 return NL_OK;
1837
1838 nla_for_each_nested(nl_freq, tb, rem_freq) {
1839 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1840 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1841 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1842 continue;
1843 new_channels++;
1844 }
1845
1846 channel = os_realloc_array(mode->channels,
1847 mode->num_channels + new_channels,
1848 sizeof(struct hostapd_channel_data));
1849 if (!channel)
1850 return NL_STOP;
1851
1852 mode->channels = channel;
1853 mode->num_channels += new_channels;
1854
1855 idx = phy_info->last_chan_idx;
1856
1857 nla_for_each_nested(nl_freq, tb, rem_freq) {
1858 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1859 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1860 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1861 continue;
1862 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1863 idx++;
1864 }
1865 phy_info->last_chan_idx = idx;
1866
1867 return NL_OK;
1868 }
1869
1870
phy_info_rates(struct hostapd_hw_modes * mode,struct nlattr * tb)1871 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1872 {
1873 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1874 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1875 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1876 { .type = NLA_FLAG },
1877 };
1878 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1879 struct nlattr *nl_rate;
1880 int rem_rate, idx;
1881
1882 if (tb == NULL)
1883 return NL_OK;
1884
1885 nla_for_each_nested(nl_rate, tb, rem_rate) {
1886 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1887 nla_data(nl_rate), nla_len(nl_rate),
1888 rate_policy);
1889 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1890 continue;
1891 mode->num_rates++;
1892 }
1893
1894 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1895 if (!mode->rates)
1896 return NL_STOP;
1897
1898 idx = 0;
1899
1900 nla_for_each_nested(nl_rate, tb, rem_rate) {
1901 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1902 nla_data(nl_rate), nla_len(nl_rate),
1903 rate_policy);
1904 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1905 continue;
1906 mode->rates[idx] = nla_get_u32(
1907 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1908 idx++;
1909 }
1910
1911 return NL_OK;
1912 }
1913
1914
phy_info_iftype_copy(struct hostapd_hw_modes * mode,enum ieee80211_op_mode opmode,struct nlattr ** tb,struct nlattr ** tb_flags)1915 static void phy_info_iftype_copy(struct hostapd_hw_modes *mode,
1916 enum ieee80211_op_mode opmode,
1917 struct nlattr **tb, struct nlattr **tb_flags)
1918 {
1919 enum nl80211_iftype iftype;
1920 size_t len;
1921 struct he_capabilities *he_capab = &mode->he_capab[opmode];
1922 struct eht_capabilities *eht_capab = &mode->eht_capab[opmode];
1923
1924 switch (opmode) {
1925 case IEEE80211_MODE_INFRA:
1926 iftype = NL80211_IFTYPE_STATION;
1927 break;
1928 case IEEE80211_MODE_IBSS:
1929 iftype = NL80211_IFTYPE_ADHOC;
1930 break;
1931 case IEEE80211_MODE_AP:
1932 iftype = NL80211_IFTYPE_AP;
1933 break;
1934 case IEEE80211_MODE_MESH:
1935 iftype = NL80211_IFTYPE_MESH_POINT;
1936 break;
1937 default:
1938 return;
1939 }
1940
1941 if (!nla_get_flag(tb_flags[iftype]))
1942 return;
1943
1944 he_capab->he_supported = 1;
1945
1946 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
1947 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
1948
1949 if (len > sizeof(he_capab->phy_cap))
1950 len = sizeof(he_capab->phy_cap);
1951 os_memcpy(he_capab->phy_cap,
1952 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
1953 len);
1954 }
1955
1956 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
1957 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
1958
1959 if (len > sizeof(he_capab->mac_cap))
1960 len = sizeof(he_capab->mac_cap);
1961 os_memcpy(he_capab->mac_cap,
1962 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
1963 len);
1964 }
1965
1966 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
1967 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
1968
1969 if (len > sizeof(he_capab->mcs))
1970 len = sizeof(he_capab->mcs);
1971 os_memcpy(he_capab->mcs,
1972 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
1973 len);
1974 }
1975
1976 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
1977 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
1978
1979 if (len > sizeof(he_capab->ppet))
1980 len = sizeof(he_capab->ppet);
1981 os_memcpy(&he_capab->ppet,
1982 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
1983 len);
1984 }
1985
1986 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]) {
1987 u16 capa;
1988
1989 capa = nla_get_u16(tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]);
1990 he_capab->he_6ghz_capa = le_to_host16(capa);
1991 }
1992
1993 if (!tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC] ||
1994 !tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY])
1995 return;
1996
1997 eht_capab->eht_supported = true;
1998
1999 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC] &&
2000 nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC]) >= 2) {
2001 const u8 *pos;
2002
2003 pos = nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC]);
2004 eht_capab->mac_cap = WPA_GET_LE16(pos);
2005 }
2006
2007 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]) {
2008 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]);
2009 if (len > sizeof(eht_capab->phy_cap))
2010 len = sizeof(eht_capab->phy_cap);
2011 os_memcpy(eht_capab->phy_cap,
2012 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]),
2013 len);
2014 }
2015
2016 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]) {
2017 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]);
2018 if (len > sizeof(eht_capab->mcs))
2019 len = sizeof(eht_capab->mcs);
2020 os_memcpy(eht_capab->mcs,
2021 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]),
2022 len);
2023 }
2024
2025 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]) {
2026 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]);
2027 if (len > sizeof(eht_capab->ppet))
2028 len = sizeof(eht_capab->ppet);
2029 os_memcpy(&eht_capab->ppet,
2030 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]),
2031 len);
2032 }
2033 }
2034
2035
phy_info_iftype(struct hostapd_hw_modes * mode,struct nlattr * nl_iftype)2036 static int phy_info_iftype(struct hostapd_hw_modes *mode,
2037 struct nlattr *nl_iftype)
2038 {
2039 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
2040 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
2041 unsigned int i;
2042
2043 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
2044 nla_data(nl_iftype), nla_len(nl_iftype), NULL);
2045
2046 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
2047 return NL_STOP;
2048
2049 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
2050 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
2051 return NL_STOP;
2052
2053 for (i = 0; i < IEEE80211_MODE_NUM; i++)
2054 phy_info_iftype_copy(mode, i, tb, tb_flags);
2055
2056 return NL_OK;
2057 }
2058
2059
phy_info_band(struct phy_info_arg * phy_info,struct nlattr * nl_band)2060 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
2061 {
2062 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
2063 struct hostapd_hw_modes *mode;
2064 int ret;
2065
2066 if (phy_info->last_mode != nl_band->nla_type) {
2067 mode = os_realloc_array(phy_info->modes,
2068 *phy_info->num_modes + 1,
2069 sizeof(*mode));
2070 if (!mode) {
2071 phy_info->failed = 1;
2072 return NL_STOP;
2073 }
2074 phy_info->modes = mode;
2075
2076 mode = &phy_info->modes[*(phy_info->num_modes)];
2077 os_memset(mode, 0, sizeof(*mode));
2078 mode->mode = NUM_HOSTAPD_MODES;
2079 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
2080 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN |
2081 HOSTAPD_MODE_FLAG_HE_INFO_KNOWN;
2082
2083 /*
2084 * Unsupported VHT MCS stream is defined as value 3, so the VHT
2085 * MCS RX/TX map must be initialized with 0xffff to mark all 8
2086 * possible streams as unsupported. This will be overridden if
2087 * driver advertises VHT support.
2088 */
2089 mode->vht_mcs_set[0] = 0xff;
2090 mode->vht_mcs_set[1] = 0xff;
2091 mode->vht_mcs_set[4] = 0xff;
2092 mode->vht_mcs_set[5] = 0xff;
2093
2094 *(phy_info->num_modes) += 1;
2095 phy_info->last_mode = nl_band->nla_type;
2096 phy_info->last_chan_idx = 0;
2097 } else
2098 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
2099
2100 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
2101 nla_len(nl_band), NULL);
2102
2103 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
2104 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
2105 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
2106 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
2107 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
2108 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
2109 ret = phy_info_edmg_capa(mode,
2110 tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG],
2111 tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]);
2112 if (ret == NL_OK)
2113 ret = phy_info_freqs(phy_info, mode,
2114 tb_band[NL80211_BAND_ATTR_FREQS]);
2115 if (ret == NL_OK)
2116 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
2117 if (ret != NL_OK) {
2118 phy_info->failed = 1;
2119 return ret;
2120 }
2121
2122 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
2123 struct nlattr *nl_iftype;
2124 int rem_band;
2125
2126 nla_for_each_nested(nl_iftype,
2127 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA],
2128 rem_band) {
2129 ret = phy_info_iftype(mode, nl_iftype);
2130 if (ret != NL_OK)
2131 return ret;
2132 }
2133 }
2134
2135 return NL_OK;
2136 }
2137
2138
phy_info_handler(struct nl_msg * msg,void * arg)2139 static int phy_info_handler(struct nl_msg *msg, void *arg)
2140 {
2141 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2142 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2143 struct phy_info_arg *phy_info = arg;
2144 struct nlattr *nl_band;
2145 int rem_band;
2146
2147 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2148 genlmsg_attrlen(gnlh, 0), NULL);
2149
2150 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
2151 return NL_SKIP;
2152
2153 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
2154 {
2155 int res = phy_info_band(phy_info, nl_band);
2156 if (res != NL_OK)
2157 return res;
2158 }
2159
2160 return NL_SKIP;
2161 }
2162
2163
2164 static struct hostapd_hw_modes *
wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes * modes,u16 * num_modes)2165 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
2166 u16 *num_modes)
2167 {
2168 u16 m;
2169 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
2170 int i, mode11g_idx = -1;
2171
2172 /* heuristic to set up modes */
2173 for (m = 0; m < *num_modes; m++) {
2174 if (!modes[m].num_channels)
2175 continue;
2176
2177 modes[m].is_6ghz = false;
2178
2179 if (modes[m].channels[0].freq < 2000) {
2180 modes[m].num_channels = 0;
2181 continue;
2182 } else if (modes[m].channels[0].freq < 4000) {
2183 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
2184 for (i = 0; i < modes[m].num_rates; i++) {
2185 if (modes[m].rates[i] > 200) {
2186 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
2187 break;
2188 }
2189 }
2190 } else if (modes[m].channels[0].freq > 50000) {
2191 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
2192 } else if (is_6ghz_freq(modes[m].channels[0].freq)) {
2193 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
2194 modes[m].is_6ghz = true;
2195 } else {
2196 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
2197 }
2198 }
2199
2200 /* Remove unsupported bands */
2201 m = 0;
2202 while (m < *num_modes) {
2203 if (modes[m].mode == NUM_HOSTAPD_MODES) {
2204 wpa_printf(MSG_DEBUG,
2205 "nl80211: Remove unsupported mode");
2206 os_free(modes[m].channels);
2207 os_free(modes[m].rates);
2208 if (m + 1 < *num_modes)
2209 os_memmove(&modes[m], &modes[m + 1],
2210 sizeof(struct hostapd_hw_modes) *
2211 (*num_modes - (m + 1)));
2212 (*num_modes)--;
2213 continue;
2214 }
2215 m++;
2216 }
2217
2218 /* If only 802.11g mode is included, use it to construct matching
2219 * 802.11b mode data. */
2220
2221 for (m = 0; m < *num_modes; m++) {
2222 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
2223 return modes; /* 802.11b already included */
2224 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
2225 mode11g_idx = m;
2226 }
2227
2228 if (mode11g_idx < 0)
2229 return modes; /* 2.4 GHz band not supported at all */
2230
2231 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
2232 if (nmodes == NULL)
2233 return modes; /* Could not add 802.11b mode */
2234
2235 mode = &nmodes[*num_modes];
2236 os_memset(mode, 0, sizeof(*mode));
2237 (*num_modes)++;
2238 modes = nmodes;
2239
2240 mode->mode = HOSTAPD_MODE_IEEE80211B;
2241
2242 mode11g = &modes[mode11g_idx];
2243 mode->num_channels = mode11g->num_channels;
2244 mode->channels = os_memdup(mode11g->channels,
2245 mode11g->num_channels *
2246 sizeof(struct hostapd_channel_data));
2247 if (mode->channels == NULL) {
2248 (*num_modes)--;
2249 return modes; /* Could not add 802.11b mode */
2250 }
2251
2252 mode->num_rates = 0;
2253 mode->rates = os_malloc(4 * sizeof(int));
2254 if (mode->rates == NULL) {
2255 os_free(mode->channels);
2256 (*num_modes)--;
2257 return modes; /* Could not add 802.11b mode */
2258 }
2259
2260 for (i = 0; i < mode11g->num_rates; i++) {
2261 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
2262 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
2263 continue;
2264 mode->rates[mode->num_rates] = mode11g->rates[i];
2265 mode->num_rates++;
2266 if (mode->num_rates == 4)
2267 break;
2268 }
2269
2270 if (mode->num_rates == 0) {
2271 os_free(mode->channels);
2272 os_free(mode->rates);
2273 (*num_modes)--;
2274 return modes; /* No 802.11b rates */
2275 }
2276
2277 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
2278 "information");
2279
2280 return modes;
2281 }
2282
2283
nl80211_set_ht40_mode(struct hostapd_hw_modes * mode,int start,int end)2284 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
2285 int end)
2286 {
2287 int c;
2288
2289 for (c = 0; c < mode->num_channels; c++) {
2290 struct hostapd_channel_data *chan = &mode->channels[c];
2291 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
2292 chan->flag |= HOSTAPD_CHAN_HT40;
2293 }
2294 }
2295
2296
nl80211_set_ht40_mode_sec(struct hostapd_hw_modes * mode,int start,int end)2297 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
2298 int end)
2299 {
2300 int c;
2301
2302 for (c = 0; c < mode->num_channels; c++) {
2303 struct hostapd_channel_data *chan = &mode->channels[c];
2304 if (!(chan->flag & HOSTAPD_CHAN_HT40))
2305 continue;
2306 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
2307 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
2308 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
2309 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
2310 }
2311 }
2312
2313
nl80211_reg_rule_max_eirp(u32 start,u32 end,u32 max_eirp,struct phy_info_arg * results)2314 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
2315 struct phy_info_arg *results)
2316 {
2317 u16 m;
2318
2319 for (m = 0; m < *results->num_modes; m++) {
2320 int c;
2321 struct hostapd_hw_modes *mode = &results->modes[m];
2322
2323 for (c = 0; c < mode->num_channels; c++) {
2324 struct hostapd_channel_data *chan = &mode->channels[c];
2325 if ((u32) chan->freq - 10 >= start &&
2326 (u32) chan->freq + 10 <= end)
2327 chan->max_tx_power = max_eirp;
2328 }
2329 }
2330 }
2331
2332
nl80211_reg_rule_ht40(u32 start,u32 end,struct phy_info_arg * results)2333 static void nl80211_reg_rule_ht40(u32 start, u32 end,
2334 struct phy_info_arg *results)
2335 {
2336 u16 m;
2337
2338 for (m = 0; m < *results->num_modes; m++) {
2339 if (!(results->modes[m].ht_capab &
2340 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2341 continue;
2342 nl80211_set_ht40_mode(&results->modes[m], start, end);
2343 }
2344 }
2345
2346
nl80211_reg_rule_sec(struct nlattr * tb[],struct phy_info_arg * results)2347 static void nl80211_reg_rule_sec(struct nlattr *tb[],
2348 struct phy_info_arg *results)
2349 {
2350 u32 start, end, max_bw;
2351 u16 m;
2352
2353 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2354 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2355 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2356 return;
2357
2358 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2359 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2360 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2361
2362 if (max_bw < 20)
2363 return;
2364
2365 for (m = 0; m < *results->num_modes; m++) {
2366 if (!(results->modes[m].ht_capab &
2367 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2368 continue;
2369 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
2370 }
2371 }
2372
2373
nl80211_set_vht_mode(struct hostapd_hw_modes * mode,int start,int end,int max_bw)2374 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
2375 int end, int max_bw)
2376 {
2377 int c;
2378
2379 for (c = 0; c < mode->num_channels; c++) {
2380 struct hostapd_channel_data *chan = &mode->channels[c];
2381
2382 if (chan->freq - 10 < start || chan->freq + 10 > end)
2383 continue;
2384
2385 if (max_bw >= 80)
2386 chan->flag |= HOSTAPD_CHAN_VHT_80MHZ_SUBCHANNEL;
2387
2388 if (max_bw >= 160)
2389 chan->flag |= HOSTAPD_CHAN_VHT_160MHZ_SUBCHANNEL;
2390 }
2391 }
2392
2393
nl80211_reg_rule_vht(struct nlattr * tb[],struct phy_info_arg * results)2394 static void nl80211_reg_rule_vht(struct nlattr *tb[],
2395 struct phy_info_arg *results)
2396 {
2397 u32 start, end, max_bw;
2398 u16 m;
2399
2400 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2401 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2402 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2403 return;
2404
2405 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2406 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2407 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2408
2409 if (max_bw < 80)
2410 return;
2411
2412 for (m = 0; m < *results->num_modes; m++) {
2413 if (!(results->modes[m].ht_capab &
2414 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2415 continue;
2416 /* TODO: use a real VHT support indication */
2417 if (!results->modes[m].vht_capab)
2418 continue;
2419
2420 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
2421 }
2422 }
2423
2424
nl80211_set_6ghz_mode(struct hostapd_hw_modes * mode,int start,int end,int max_bw)2425 static void nl80211_set_6ghz_mode(struct hostapd_hw_modes *mode, int start,
2426 int end, int max_bw)
2427 {
2428 int c;
2429
2430 for (c = 0; c < mode->num_channels; c++) {
2431 struct hostapd_channel_data *chan = &mode->channels[c];
2432
2433 if (chan->freq - 10 < start || chan->freq + 10 > end)
2434 continue;
2435
2436 if (max_bw >= 80)
2437 chan->flag |= HOSTAPD_CHAN_VHT_80MHZ_SUBCHANNEL;
2438
2439 if (max_bw >= 160)
2440 chan->flag |= HOSTAPD_CHAN_VHT_160MHZ_SUBCHANNEL;
2441
2442 if (max_bw >= 320)
2443 chan->flag |= HOSTAPD_CHAN_EHT_320MHZ_SUBCHANNEL;
2444 }
2445 }
2446
2447
nl80211_reg_rule_6ghz(struct nlattr * tb[],struct phy_info_arg * results)2448 static void nl80211_reg_rule_6ghz(struct nlattr *tb[],
2449 struct phy_info_arg *results)
2450 {
2451 u32 start, end, max_bw;
2452 u16 m;
2453
2454 if (!tb[NL80211_ATTR_FREQ_RANGE_START] ||
2455 !tb[NL80211_ATTR_FREQ_RANGE_END] ||
2456 !tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2457 return;
2458
2459 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2460 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2461 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2462
2463 if (max_bw < 80)
2464 return;
2465
2466 for (m = 0; m < *results->num_modes; m++) {
2467 if (results->modes[m].num_channels == 0 ||
2468 !is_6ghz_freq(results->modes[m].channels[0].freq))
2469 continue;
2470
2471 nl80211_set_6ghz_mode(&results->modes[m], start, end, max_bw);
2472 }
2473 }
2474
2475
nl80211_set_dfs_domain(enum nl80211_dfs_regions region,u8 * dfs_domain)2476 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
2477 u8 *dfs_domain)
2478 {
2479 if (region == NL80211_DFS_FCC)
2480 *dfs_domain = HOSTAPD_DFS_REGION_FCC;
2481 else if (region == NL80211_DFS_ETSI)
2482 *dfs_domain = HOSTAPD_DFS_REGION_ETSI;
2483 else if (region == NL80211_DFS_JP)
2484 *dfs_domain = HOSTAPD_DFS_REGION_JP;
2485 else
2486 *dfs_domain = 0;
2487 }
2488
2489
dfs_domain_name(enum nl80211_dfs_regions region)2490 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
2491 {
2492 switch (region) {
2493 case NL80211_DFS_UNSET:
2494 return "DFS-UNSET";
2495 case NL80211_DFS_FCC:
2496 return "DFS-FCC";
2497 case NL80211_DFS_ETSI:
2498 return "DFS-ETSI";
2499 case NL80211_DFS_JP:
2500 return "DFS-JP";
2501 default:
2502 return "DFS-invalid";
2503 }
2504 }
2505
2506
nl80211_get_reg(struct nl_msg * msg,void * arg)2507 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
2508 {
2509 struct phy_info_arg *results = arg;
2510 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2511 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2512 struct nlattr *nl_rule;
2513 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
2514 int rem_rule;
2515 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2516 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
2517 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
2518 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
2519 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
2520 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
2521 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
2522 };
2523
2524 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2525 genlmsg_attrlen(gnlh, 0), NULL);
2526 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
2527 !tb_msg[NL80211_ATTR_REG_RULES]) {
2528 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
2529 "available");
2530 return NL_SKIP;
2531 }
2532
2533 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
2534 enum nl80211_dfs_regions dfs_domain;
2535 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
2536 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
2537 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
2538 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
2539 dfs_domain_name(dfs_domain));
2540 } else {
2541 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
2542 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
2543 }
2544
2545 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2546 {
2547 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
2548 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2549 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2550 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2551 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
2552 continue;
2553 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2554 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2555 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2556 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
2557 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2558 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2559 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
2560 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
2561
2562 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
2563 start, end, max_bw, max_eirp,
2564 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
2565 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
2566 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
2567 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
2568 "",
2569 flags & NL80211_RRF_DFS ? " (DFS)" : "",
2570 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
2571 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
2572 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
2573 if (max_bw >= 40)
2574 nl80211_reg_rule_ht40(start, end, results);
2575 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2576 nl80211_reg_rule_max_eirp(start, end, max_eirp,
2577 results);
2578 }
2579
2580 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2581 {
2582 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2583 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2584 nl80211_reg_rule_sec(tb_rule, results);
2585 }
2586
2587 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2588 {
2589 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2590 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2591 nl80211_reg_rule_vht(tb_rule, results);
2592 }
2593
2594 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2595 {
2596 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2597 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2598 nl80211_reg_rule_6ghz(tb_rule, results);
2599 }
2600
2601 return NL_SKIP;
2602 }
2603
2604
nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data * drv,struct phy_info_arg * results)2605 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
2606 struct phy_info_arg *results)
2607 {
2608 struct nl_msg *msg;
2609
2610 msg = nlmsg_alloc();
2611 if (!msg)
2612 return -ENOMEM;
2613
2614 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
2615 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
2616 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
2617 nlmsg_free(msg);
2618 return -1;
2619 }
2620 }
2621
2622 return send_and_recv_resp(drv, msg, nl80211_get_reg, results);
2623 }
2624
2625
modestr(enum hostapd_hw_mode mode)2626 static const char * modestr(enum hostapd_hw_mode mode)
2627 {
2628 switch (mode) {
2629 case HOSTAPD_MODE_IEEE80211B:
2630 return "802.11b";
2631 case HOSTAPD_MODE_IEEE80211G:
2632 return "802.11g";
2633 case HOSTAPD_MODE_IEEE80211A:
2634 return "802.11a";
2635 case HOSTAPD_MODE_IEEE80211AD:
2636 return "802.11ad";
2637 default:
2638 return "?";
2639 }
2640 }
2641
2642
nl80211_dump_chan_list(struct wpa_driver_nl80211_data * drv,struct hostapd_hw_modes * modes,u16 num_modes)2643 static void nl80211_dump_chan_list(struct wpa_driver_nl80211_data *drv,
2644 struct hostapd_hw_modes *modes,
2645 u16 num_modes)
2646 {
2647 int i;
2648
2649 if (!modes)
2650 return;
2651
2652 for (i = 0; i < num_modes; i++) {
2653 struct hostapd_hw_modes *mode = &modes[i];
2654 char str[1000];
2655 char *pos = str;
2656 char *end = pos + sizeof(str);
2657 int j, res;
2658
2659 for (j = 0; j < mode->num_channels; j++) {
2660 struct hostapd_channel_data *chan = &mode->channels[j];
2661
2662 if (is_6ghz_freq(chan->freq))
2663 drv->uses_6ghz = true;
2664 if (chan->freq >= 900 && chan->freq < 1000)
2665 drv->uses_s1g = true;
2666 res = os_snprintf(pos, end - pos, " %d%s%s%s",
2667 chan->freq,
2668 (chan->flag & HOSTAPD_CHAN_DISABLED) ?
2669 "[DISABLED]" : "",
2670 (chan->flag & HOSTAPD_CHAN_NO_IR) ?
2671 "[NO_IR]" : "",
2672 (chan->flag & HOSTAPD_CHAN_RADAR) ?
2673 "[RADAR]" : "");
2674 if (os_snprintf_error(end - pos, res))
2675 break;
2676 pos += res;
2677 }
2678
2679 *pos = '\0';
2680 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
2681 modestr(mode->mode), str);
2682 }
2683 }
2684
2685
2686 struct hostapd_hw_modes *
nl80211_get_hw_feature_data(void * priv,u16 * num_modes,u16 * flags,u8 * dfs_domain)2687 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
2688 u8 *dfs_domain)
2689 {
2690 u32 feat;
2691 struct i802_bss *bss = priv;
2692 struct wpa_driver_nl80211_data *drv = bss->drv;
2693 int nl_flags = 0;
2694 struct nl_msg *msg;
2695 struct phy_info_arg result = {
2696 .num_modes = num_modes,
2697 .modes = NULL,
2698 .last_mode = -1,
2699 .failed = 0,
2700 .dfs_domain = 0,
2701 };
2702
2703 *num_modes = 0;
2704 *flags = 0;
2705 *dfs_domain = 0;
2706
2707 feat = get_nl80211_protocol_features(drv);
2708 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
2709 nl_flags = NLM_F_DUMP;
2710 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
2711 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
2712 nlmsg_free(msg);
2713 return NULL;
2714 }
2715
2716 if (send_and_recv_resp(drv, msg, phy_info_handler, &result) == 0) {
2717 struct hostapd_hw_modes *modes;
2718
2719 nl80211_set_regulatory_flags(drv, &result);
2720 if (result.failed) {
2721 int i;
2722
2723 for (i = 0; result.modes && i < *num_modes; i++) {
2724 os_free(result.modes[i].channels);
2725 os_free(result.modes[i].rates);
2726 }
2727 os_free(result.modes);
2728 *num_modes = 0;
2729 return NULL;
2730 }
2731
2732 *dfs_domain = result.dfs_domain;
2733
2734 modes = wpa_driver_nl80211_postprocess_modes(result.modes,
2735 num_modes);
2736 nl80211_dump_chan_list(drv, modes, *num_modes);
2737 return modes;
2738 }
2739
2740 return NULL;
2741 }
2742
