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_MFP_OPTIONAL))
604 capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL;
605
606 if (ext_feature_isset(ext_features, len,
607 NL80211_EXT_FEATURE_DFS_OFFLOAD))
608 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
609
610 #ifdef CONFIG_MBO
611 if (ext_feature_isset(ext_features, len,
612 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) &&
613 ext_feature_isset(ext_features, len,
614 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) &&
615 ext_feature_isset(ext_features, len,
616 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) &&
617 ext_feature_isset(
618 ext_features, len,
619 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION))
620 capa->flags |= WPA_DRIVER_FLAGS_OCE_STA;
621 #endif /* CONFIG_MBO */
622
623 if (ext_feature_isset(ext_features, len,
624 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
625 capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER;
626
627 if (ext_feature_isset(ext_features, len,
628 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
629 capa->flags |= WPA_DRIVER_FLAGS_CONTROL_PORT;
630 if (ext_feature_isset(ext_features, len,
631 NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH))
632 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_RX;
633 if (ext_feature_isset(
634 ext_features, len,
635 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS))
636 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS;
637
638 if (ext_feature_isset(ext_features, len,
639 NL80211_EXT_FEATURE_VLAN_OFFLOAD))
640 capa->flags |= WPA_DRIVER_FLAGS_VLAN_OFFLOAD;
641
642 if (ext_feature_isset(ext_features, len,
643 NL80211_EXT_FEATURE_CAN_REPLACE_PTK0))
644 capa->flags |= WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS;
645
646 if (ext_feature_isset(ext_features, len,
647 NL80211_EXT_FEATURE_BEACON_PROTECTION))
648 capa->flags |= WPA_DRIVER_FLAGS_BEACON_PROTECTION;
649
650 if (ext_feature_isset(ext_features, len,
651 NL80211_EXT_FEATURE_EXT_KEY_ID))
652 capa->flags |= WPA_DRIVER_FLAGS_EXTENDED_KEY_ID;
653
654 if (ext_feature_isset(ext_features, len,
655 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS))
656 info->drv->multicast_registrations = 1;
657
658 if (ext_feature_isset(ext_features, len,
659 NL80211_EXT_FEATURE_FILS_DISCOVERY))
660 info->drv->fils_discovery = 1;
661
662 if (ext_feature_isset(ext_features, len,
663 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
664 info->drv->unsol_bcast_probe_resp = 1;
665
666 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_PUNCT))
667 info->drv->puncturing = 1;
668
669 if (ext_feature_isset(ext_features, len,
670 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
671 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT;
672
673 if (ext_feature_isset(ext_features, len,
674 NL80211_EXT_FEATURE_OPERATING_CHANNEL_VALIDATION))
675 capa->flags2 |= WPA_DRIVER_FLAGS2_OCV;
676
677 if (ext_feature_isset(ext_features, len,
678 NL80211_EXT_FEATURE_RADAR_BACKGROUND))
679 capa->flags2 |= WPA_DRIVER_RADAR_BACKGROUND;
680
681 if (ext_feature_isset(ext_features, len,
682 NL80211_EXT_FEATURE_SECURE_LTF)) {
683 capa->flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_STA;
684 capa->flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_AP;
685 }
686
687 if (ext_feature_isset(ext_features, len,
688 NL80211_EXT_FEATURE_SECURE_RTT)) {
689 capa->flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_STA;
690 capa->flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_AP;
691 }
692
693 if (ext_feature_isset(
694 ext_features, len,
695 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE)) {
696 capa->flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_STA;
697 capa->flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP;
698 }
699 }
700
701
wiphy_info_feature_flags(struct wiphy_info_data * info,struct nlattr * tb)702 static void wiphy_info_feature_flags(struct wiphy_info_data *info,
703 struct nlattr *tb)
704 {
705 u32 flags;
706 struct wpa_driver_capa *capa = info->capa;
707
708 if (tb == NULL)
709 return;
710
711 flags = nla_get_u32(tb);
712
713 if (flags & NL80211_FEATURE_SK_TX_STATUS)
714 info->data_tx_status = 1;
715
716 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
717 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
718
719 if (flags & NL80211_FEATURE_SAE)
720 capa->flags |= WPA_DRIVER_FLAGS_SAE;
721
722 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
723 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
724
725 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
726 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
727
728 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
729 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
730 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
731 }
732
733 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
734 info->p2p_go_ctwindow_supported = 1;
735
736 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
737 info->have_low_prio_scan = 1;
738
739 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
740 info->mac_addr_rand_scan_supported = 1;
741
742 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
743 info->mac_addr_rand_sched_scan_supported = 1;
744
745 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
746 info->wmm_ac_supported = 1;
747
748 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
749 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
750
751 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
752 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
753
754 if (flags & NL80211_FEATURE_QUIET)
755 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
756
757 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
758 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
759
760 if (flags & NL80211_FEATURE_HT_IBSS)
761 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
762
763 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
764 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
765 }
766
767
wiphy_info_probe_resp_offload(struct wpa_driver_capa * capa,struct nlattr * tb)768 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
769 struct nlattr *tb)
770 {
771 u32 protocols;
772
773 if (tb == NULL)
774 return;
775
776 protocols = nla_get_u32(tb);
777 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
778 "mode");
779 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
780 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
781 }
782
783
wiphy_info_wowlan_triggers(struct wpa_driver_capa * capa,struct nlattr * tb)784 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
785 struct nlattr *tb)
786 {
787 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
788
789 if (tb == NULL)
790 return;
791
792 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
793 tb, NULL))
794 return;
795
796 if (triggers[NL80211_WOWLAN_TRIG_ANY])
797 capa->wowlan_triggers.any = 1;
798 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
799 capa->wowlan_triggers.disconnect = 1;
800 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
801 capa->wowlan_triggers.magic_pkt = 1;
802 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
803 capa->wowlan_triggers.gtk_rekey_failure = 1;
804 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
805 capa->wowlan_triggers.eap_identity_req = 1;
806 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
807 capa->wowlan_triggers.four_way_handshake = 1;
808 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
809 capa->wowlan_triggers.rfkill_release = 1;
810 }
811
812
wiphy_info_extended_capab(struct wpa_driver_nl80211_data * drv,struct nlattr * tb)813 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
814 struct nlattr *tb)
815 {
816 int rem = 0, i;
817 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
818
819 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
820 return;
821
822 nla_for_each_nested(attr, tb, rem) {
823 unsigned int len;
824 struct drv_nl80211_ext_capa *capa;
825
826 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
827 nla_len(attr), NULL);
828
829 if (!tb1[NL80211_ATTR_IFTYPE] ||
830 !tb1[NL80211_ATTR_EXT_CAPA] ||
831 !tb1[NL80211_ATTR_EXT_CAPA_MASK])
832 continue;
833
834 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
835 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
836 wpa_printf(MSG_DEBUG,
837 "nl80211: Driver-advertised extended capabilities for interface type %s",
838 nl80211_iftype_str(capa->iftype));
839
840 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
841 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
842 len);
843 if (!capa->ext_capa)
844 goto err;
845
846 capa->ext_capa_len = len;
847 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
848 capa->ext_capa, capa->ext_capa_len);
849
850 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
851 capa->ext_capa_mask =
852 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]),
853 len);
854 if (!capa->ext_capa_mask)
855 goto err;
856
857 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
858 capa->ext_capa_mask, capa->ext_capa_len);
859
860 drv->num_iface_ext_capa++;
861 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
862 break;
863 }
864
865 return;
866
867 err:
868 /* Cleanup allocated memory on error */
869 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
870 os_free(drv->iface_ext_capa[i].ext_capa);
871 drv->iface_ext_capa[i].ext_capa = NULL;
872 os_free(drv->iface_ext_capa[i].ext_capa_mask);
873 drv->iface_ext_capa[i].ext_capa_mask = NULL;
874 drv->iface_ext_capa[i].ext_capa_len = 0;
875 }
876 drv->num_iface_ext_capa = 0;
877 }
878
879
wiphy_info_mbssid(struct wpa_driver_capa * cap,struct nlattr * attr)880 static void wiphy_info_mbssid(struct wpa_driver_capa *cap, struct nlattr *attr)
881 {
882 struct nlattr *config[NL80211_MBSSID_CONFIG_ATTR_MAX + 1];
883
884 if (nla_parse_nested(config, NL80211_MBSSID_CONFIG_ATTR_MAX, attr,
885 NULL))
886 return;
887
888 if (!config[NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES])
889 return;
890
891 cap->mbssid_max_interfaces =
892 nla_get_u8(config[NL80211_MBSSID_CONFIG_ATTR_MAX_INTERFACES]);
893
894 if (config[NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY])
895 cap->ema_max_periodicity =
896 nla_get_u8(config[NL80211_MBSSID_CONFIG_ATTR_MAX_EMA_PROFILE_PERIODICITY]);
897
898 wpa_printf(MSG_DEBUG,
899 "mbssid: max interfaces %u, max profile periodicity %u",
900 cap->mbssid_max_interfaces, cap->ema_max_periodicity);
901 }
902
903
wiphy_info_handler(struct nl_msg * msg,void * arg)904 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
905 {
906 struct nlattr *tb[NL80211_ATTR_MAX + 1];
907 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
908 struct wiphy_info_data *info = arg;
909 struct wpa_driver_capa *capa = info->capa;
910 struct wpa_driver_nl80211_data *drv = info->drv;
911
912 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
913 genlmsg_attrlen(gnlh, 0), NULL);
914
915 if (tb[NL80211_ATTR_WIPHY])
916 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
917
918 if (tb[NL80211_ATTR_WIPHY_NAME])
919 os_strlcpy(drv->phyname,
920 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
921 sizeof(drv->phyname));
922 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
923 capa->max_scan_ssids =
924 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
925
926 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
927 capa->max_sched_scan_ssids =
928 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
929
930 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
931 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
932 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
933 capa->max_sched_scan_plans =
934 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
935
936 capa->max_sched_scan_plan_interval =
937 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
938
939 capa->max_sched_scan_plan_iterations =
940 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
941 }
942
943 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
944 capa->max_match_sets =
945 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
946
947 if (tb[NL80211_ATTR_MAC_ACL_MAX])
948 capa->max_acl_mac_addrs =
949 nla_get_u32(tb[NL80211_ATTR_MAC_ACL_MAX]);
950
951 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
952 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
953 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
954 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
955 wiphy_info_akm_suites(info, tb[NL80211_ATTR_AKM_SUITES]);
956 wiphy_info_iftype_akm_suites(info, tb[NL80211_ATTR_IFTYPE_AKM_SUITES]);
957
958 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
959 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
960 "off-channel TX");
961 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
962 }
963
964 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
965 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
966 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
967 }
968
969 wiphy_info_max_roc(capa,
970 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
971
972 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
973 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
974
975 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
976 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
977
978 if (tb[NL80211_ATTR_DEVICE_AP_SME]) {
979 u32 ap_sme_features_flags =
980 nla_get_u32(tb[NL80211_ATTR_DEVICE_AP_SME]);
981
982 if (ap_sme_features_flags & NL80211_AP_SME_SA_QUERY_OFFLOAD)
983 capa->flags2 |= WPA_DRIVER_FLAGS2_SA_QUERY_OFFLOAD_AP;
984
985 info->device_ap_sme = 1;
986 }
987
988 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
989 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
990 wiphy_info_probe_resp_offload(capa,
991 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
992
993 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
994 drv->extended_capa == NULL) {
995 drv->extended_capa =
996 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
997 if (drv->extended_capa) {
998 os_memcpy(drv->extended_capa,
999 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
1000 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
1001 drv->extended_capa_len =
1002 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
1003 wpa_hexdump(MSG_DEBUG,
1004 "nl80211: Driver-advertised extended capabilities (default)",
1005 drv->extended_capa, drv->extended_capa_len);
1006 }
1007 drv->extended_capa_mask =
1008 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
1009 if (drv->extended_capa_mask) {
1010 os_memcpy(drv->extended_capa_mask,
1011 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
1012 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
1013 wpa_hexdump(MSG_DEBUG,
1014 "nl80211: Driver-advertised extended capabilities mask (default)",
1015 drv->extended_capa_mask,
1016 drv->extended_capa_len);
1017 } else {
1018 os_free(drv->extended_capa);
1019 drv->extended_capa = NULL;
1020 drv->extended_capa_len = 0;
1021 }
1022 }
1023
1024 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
1025
1026 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1027 struct nlattr *nl;
1028 int rem;
1029
1030 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
1031 struct nl80211_vendor_cmd_info *vinfo;
1032 if (nla_len(nl) != sizeof(*vinfo)) {
1033 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1034 continue;
1035 }
1036 vinfo = nla_data(nl);
1037 if (vinfo->vendor_id == OUI_QCA) {
1038 switch (vinfo->subcmd) {
1039 case QCA_NL80211_VENDOR_SUBCMD_TEST:
1040 drv->vendor_cmd_test_avail = 1;
1041 break;
1042 #ifdef CONFIG_DRIVER_NL80211_QCA
1043 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
1044 drv->roaming_vendor_cmd_avail = 1;
1045 break;
1046 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
1047 drv->dfs_vendor_cmd_avail = 1;
1048 break;
1049 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
1050 drv->get_features_vendor_cmd_avail = 1;
1051 break;
1052 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
1053 drv->get_pref_freq_list = 1;
1054 break;
1055 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
1056 drv->set_prob_oper_freq = 1;
1057 break;
1058 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
1059 drv->capa.flags |=
1060 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1061 drv->qca_do_acs = 1;
1062 break;
1063 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
1064 drv->setband_vendor_cmd_avail = 1;
1065 break;
1066 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
1067 drv->scan_vendor_cmd_avail = 1;
1068 break;
1069 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
1070 drv->set_wifi_conf_vendor_cmd_avail = 1;
1071 break;
1072 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS:
1073 drv->fetch_bss_trans_status = 1;
1074 break;
1075 case QCA_NL80211_VENDOR_SUBCMD_ROAM:
1076 drv->roam_vendor_cmd_avail = 1;
1077 break;
1078 case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE:
1079 drv->add_sta_node_vendor_cmd_avail = 1;
1080 break;
1081 case QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO:
1082 drv->get_sta_info_vendor_cmd_avail = 1;
1083 break;
1084 case QCA_NL80211_VENDOR_SUBCMD_SECURE_RANGING_CONTEXT:
1085 drv->secure_ranging_ctx_vendor_cmd_avail = 1;
1086 break;
1087 #endif /* CONFIG_DRIVER_NL80211_QCA */
1088 }
1089 #if defined(CONFIG_DRIVER_NL80211_BRCM) || defined(CONFIG_DRIVER_NL80211_SYNA)
1090 } else if (vinfo->vendor_id == OUI_BRCM) {
1091 switch (vinfo->subcmd) {
1092 case BRCM_VENDOR_SCMD_ACS:
1093 drv->capa.flags |=
1094 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1095 drv->capa.flags |=
1096 WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1097 wpa_printf(MSG_DEBUG,
1098 "Enabled BRCM ACS");
1099 drv->brcm_do_acs = 1;
1100 break;
1101 case BRCM_VENDOR_SCMD_SET_PMK:
1102 drv->vendor_set_pmk = 1;
1103 break;
1104 default:
1105 break;
1106 }
1107 #endif /* CONFIG_DRIVER_NL80211_BRCM || CONFIG_DRIVER_NL80211_SYNA */
1108 }
1109 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
1110 vinfo->vendor_id, vinfo->subcmd);
1111 }
1112 }
1113
1114 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
1115 struct nlattr *nl;
1116 int rem;
1117
1118 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
1119 struct nl80211_vendor_cmd_info *vinfo;
1120 if (nla_len(nl) != sizeof(*vinfo)) {
1121 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1122 continue;
1123 }
1124 vinfo = nla_data(nl);
1125 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
1126 vinfo->vendor_id, vinfo->subcmd);
1127 }
1128 }
1129
1130 wiphy_info_wowlan_triggers(capa,
1131 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
1132
1133 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
1134 capa->max_stations =
1135 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
1136
1137 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
1138 capa->max_csa_counters =
1139 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
1140
1141 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG])
1142 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY;
1143
1144 if (tb[NL80211_ATTR_MAX_NUM_AKM_SUITES])
1145 capa->max_num_akms =
1146 nla_get_u16(tb[NL80211_ATTR_MAX_NUM_AKM_SUITES]);
1147
1148 if (tb[NL80211_ATTR_MBSSID_CONFIG])
1149 wiphy_info_mbssid(capa, tb[NL80211_ATTR_MBSSID_CONFIG]);
1150
1151 if (tb[NL80211_ATTR_MLO_SUPPORT])
1152 capa->flags2 |= WPA_DRIVER_FLAGS2_MLO;
1153
1154 return NL_SKIP;
1155 }
1156
1157
wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data * drv,struct wiphy_info_data * info)1158 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
1159 struct wiphy_info_data *info)
1160 {
1161 u32 feat;
1162 struct nl_msg *msg;
1163 int flags = 0;
1164
1165 os_memset(info, 0, sizeof(*info));
1166 info->capa = &drv->capa;
1167 info->drv = drv;
1168
1169 feat = get_nl80211_protocol_features(drv);
1170 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1171 flags = NLM_F_DUMP;
1172 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
1173 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1174 nlmsg_free(msg);
1175 return -1;
1176 }
1177
1178 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info, NULL, NULL))
1179 return -1;
1180
1181 if (info->auth_supported)
1182 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
1183 else if (!info->connect_supported) {
1184 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
1185 "authentication/association or connect commands");
1186 info->error = 1;
1187 }
1188
1189 if (info->p2p_go_supported && info->p2p_client_supported)
1190 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
1191 if (info->p2p_concurrent) {
1192 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
1193 "interface (driver advertised support)");
1194 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
1195 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
1196 }
1197 if (info->num_multichan_concurrent > 1) {
1198 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
1199 "concurrent (driver advertised support)");
1200 drv->capa.num_multichan_concurrent =
1201 info->num_multichan_concurrent;
1202 }
1203 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
1204 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
1205
1206 /* default to 5000 since early versions of mac80211 don't set it */
1207 if (!drv->capa.max_remain_on_chan)
1208 drv->capa.max_remain_on_chan = 5000;
1209
1210 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
1211
1212 drv->capa.mac_addr_rand_sched_scan_supported =
1213 info->mac_addr_rand_sched_scan_supported;
1214 drv->capa.mac_addr_rand_scan_supported =
1215 info->mac_addr_rand_scan_supported;
1216
1217 if (info->channel_switch_supported) {
1218 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
1219 if (!drv->capa.max_csa_counters)
1220 drv->capa.max_csa_counters = 1;
1221 }
1222
1223 if (!drv->capa.max_sched_scan_plans) {
1224 drv->capa.max_sched_scan_plans = 1;
1225 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
1226 drv->capa.max_sched_scan_plan_iterations = 0;
1227 }
1228
1229 if (info->update_ft_ies_supported)
1230 drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES;
1231
1232 if (!drv->capa.max_num_akms)
1233 #ifdef CONFIG_DRIVER_NL80211_BRCM
1234 drv->capa.max_num_akms = 1;
1235 #else
1236 drv->capa.max_num_akms = NL80211_MAX_NR_AKM_SUITES;
1237 #endif /* CONFIG_DRIVER_NL80211_BRCM */
1238
1239 return 0;
1240 }
1241
1242
1243 #ifdef CONFIG_DRIVER_NL80211_QCA
1244
dfs_info_handler(struct nl_msg * msg,void * arg)1245 static int dfs_info_handler(struct nl_msg *msg, void *arg)
1246 {
1247 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1248 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1249 int *dfs_capability_ptr = arg;
1250
1251 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1252 genlmsg_attrlen(gnlh, 0), NULL);
1253
1254 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1255 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1256 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1257
1258 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1259 nla_data(nl_vend), nla_len(nl_vend), NULL);
1260
1261 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
1262 u32 val;
1263 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
1264 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
1265 val);
1266 *dfs_capability_ptr = val;
1267 }
1268 }
1269
1270 return NL_SKIP;
1271 }
1272
1273
qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data * drv)1274 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
1275 {
1276 struct nl_msg *msg;
1277 int dfs_capability = 0;
1278 int ret;
1279
1280 if (!drv->dfs_vendor_cmd_avail)
1281 return;
1282
1283 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1284 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1285 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1286 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
1287 nlmsg_free(msg);
1288 return;
1289 }
1290
1291 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability,
1292 NULL, NULL);
1293 if (!ret && dfs_capability)
1294 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
1295 }
1296
1297
1298 struct features_info {
1299 u8 *flags;
1300 size_t flags_len;
1301 struct wpa_driver_capa *capa;
1302 };
1303
1304
features_info_handler(struct nl_msg * msg,void * arg)1305 static int features_info_handler(struct nl_msg *msg, void *arg)
1306 {
1307 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1308 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1309 struct features_info *info = arg;
1310 struct nlattr *nl_vend, *attr;
1311
1312 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1313 genlmsg_attrlen(gnlh, 0), NULL);
1314
1315 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1316 if (nl_vend) {
1317 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1318
1319 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1320 nla_data(nl_vend), nla_len(nl_vend), NULL);
1321
1322 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
1323 if (attr) {
1324 int len = nla_len(attr);
1325 info->flags = os_malloc(len);
1326 if (info->flags != NULL) {
1327 os_memcpy(info->flags, nla_data(attr), len);
1328 info->flags_len = len;
1329 }
1330 }
1331 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
1332 if (attr)
1333 info->capa->conc_capab = nla_get_u32(attr);
1334
1335 attr = tb_vendor[
1336 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
1337 if (attr)
1338 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
1339
1340 attr = tb_vendor[
1341 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
1342 if (attr)
1343 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
1344 }
1345
1346 return NL_SKIP;
1347 }
1348
1349
check_feature(enum qca_wlan_vendor_features feature,struct features_info * info)1350 static int check_feature(enum qca_wlan_vendor_features feature,
1351 struct features_info *info)
1352 {
1353 size_t idx = feature / 8;
1354
1355 return (idx < info->flags_len) &&
1356 (info->flags[idx] & BIT(feature % 8));
1357 }
1358
1359
qca_nl80211_get_features(struct wpa_driver_nl80211_data * drv)1360 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
1361 {
1362 struct nl_msg *msg;
1363 struct features_info info;
1364 int ret;
1365
1366 if (!drv->get_features_vendor_cmd_avail)
1367 return;
1368
1369 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1370 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1371 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1372 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
1373 nlmsg_free(msg);
1374 return;
1375 }
1376
1377 os_memset(&info, 0, sizeof(info));
1378 info.capa = &drv->capa;
1379 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info,
1380 NULL, NULL);
1381 if (ret || !info.flags)
1382 return;
1383
1384 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
1385 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
1386
1387 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
1388 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1389
1390 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
1391 &info))
1392 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1393 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
1394 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
1395 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info))
1396 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA;
1397 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info))
1398 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP;
1399 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info))
1400 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON;
1401 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_LTF_STA, &info))
1402 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_STA;
1403 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_LTF_AP, &info))
1404 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_AP;
1405 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_RTT_STA, &info))
1406 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_STA;
1407 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SECURE_RTT_AP, &info))
1408 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_RTT_AP;
1409 if (check_feature(
1410 QCA_WLAN_VENDOR_FEATURE_PROT_RANGE_NEGO_AND_MEASURE_STA,
1411 &info))
1412 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_STA;
1413 if (check_feature(
1414 QCA_WLAN_VENDOR_FEATURE_PROT_RANGE_NEGO_AND_MEASURE_AP,
1415 &info))
1416 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP;
1417 if (check_feature(QCA_WLAN_VENDOR_FEATURE_AP_ALLOWED_FREQ_LIST,
1418 &info))
1419 drv->qca_ap_allowed_freqs = 1;
1420 os_free(info.flags);
1421 }
1422
1423 #endif /* CONFIG_DRIVER_NL80211_QCA */
1424
1425
wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data * drv)1426 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
1427 {
1428 struct wiphy_info_data info;
1429 int i;
1430
1431 if (wpa_driver_nl80211_get_info(drv, &info))
1432 return -1;
1433
1434 if (info.error)
1435 return -1;
1436
1437 drv->has_capability = 1;
1438 drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype;
1439
1440 /* Fallback to hardcoded defaults if the driver does not advertise any
1441 * AKM capabilities. */
1442 if (!drv->has_driver_key_mgmt) {
1443 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1444 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1445 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1446 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1447 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1448 WPA_DRIVER_CAPA_KEY_MGMT_OWE |
1449 WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1450
1451 if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
1452 WPA_DRIVER_CAPA_ENC_GCMP_256))
1453 drv->capa.key_mgmt |=
1454 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1455
1456 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
1457 drv->capa.key_mgmt |=
1458 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1459 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
1460 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
1461 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
1462 WPA_DRIVER_CAPA_KEY_MGMT_SAE;
1463 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
1464 drv->capa.key_mgmt |=
1465 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1466 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
1467 }
1468
1469 if (!info.has_key_mgmt_iftype) {
1470 /* If the driver does not advertize per interface AKM
1471 * capabilities, consider all interfaces to support default AKMs
1472 * in key_mgmt. */
1473 for (i = 0; i < WPA_IF_MAX; i++)
1474 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
1475 } else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) {
1476 /* If the driver advertizes only per interface supported AKMs
1477 * but does not advertize per wiphy AKM capabilities, consider
1478 * the default key_mgmt as a mask of per interface supported
1479 * AKMs. */
1480 drv->capa.key_mgmt = 0;
1481 for (i = 0; i < WPA_IF_MAX; i++)
1482 drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i];
1483 } else if (info.has_key_mgmt_iftype && info.has_key_mgmt) {
1484 /* If the driver advertizes AKM capabilities both per wiphy and
1485 * per interface, consider the interfaces for which per
1486 * interface AKM capabilities were not received to support the
1487 * default key_mgmt capabilities.
1488 */
1489 for (i = 0; i < WPA_IF_MAX; i++)
1490 if (!drv->capa.key_mgmt_iftype[i])
1491 drv->capa.key_mgmt_iftype[i] =
1492 drv->capa.key_mgmt;
1493 }
1494
1495 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1496 WPA_DRIVER_AUTH_SHARED |
1497 WPA_DRIVER_AUTH_LEAP;
1498
1499 drv->capa.flags |= WPA_DRIVER_FLAGS_VALID_ERROR_CODES;
1500 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1501 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1502
1503 /*
1504 * As all cfg80211 drivers must support cases where the AP interface is
1505 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1506 * case that the user space daemon has crashed, they must be able to
1507 * cleanup all stations and key entries in the AP tear down flow. Thus,
1508 * this flag can/should always be set for cfg80211 drivers.
1509 */
1510 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1511
1512 if (!info.device_ap_sme) {
1513 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1514 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_AP_SME;
1515
1516 /*
1517 * No AP SME is currently assumed to also indicate no AP MLME
1518 * in the driver/firmware.
1519 */
1520 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1521 }
1522
1523 drv->device_ap_sme = info.device_ap_sme;
1524 drv->poll_command_supported = info.poll_command_supported;
1525 drv->data_tx_status = info.data_tx_status;
1526 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1527 if (info.set_qos_map_supported)
1528 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1529 drv->have_low_prio_scan = info.have_low_prio_scan;
1530
1531 /*
1532 * If poll command and tx status are supported, mac80211 is new enough
1533 * to have everything we need to not need monitor interfaces.
1534 */
1535 drv->use_monitor = !info.device_ap_sme &&
1536 (!info.poll_command_supported || !info.data_tx_status);
1537
1538 /*
1539 * If we aren't going to use monitor interfaces, but the
1540 * driver doesn't support data TX status, we won't get TX
1541 * status for EAPOL frames.
1542 */
1543 if (!drv->use_monitor && !info.data_tx_status)
1544 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1545
1546 #ifdef CONFIG_DRIVER_NL80211_QCA
1547 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD))
1548 qca_nl80211_check_dfs_capa(drv);
1549 qca_nl80211_get_features(drv);
1550
1551 /*
1552 * To enable offchannel simultaneous support in wpa_supplicant, the
1553 * underlying driver needs to support the same along with offchannel TX.
1554 * Offchannel TX support is needed since remain_on_channel and
1555 * action_tx use some common data structures and hence cannot be
1556 * scheduled simultaneously.
1557 */
1558 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1559 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1560 #endif /* CONFIG_DRIVER_NL80211_QCA */
1561
1562 wpa_printf(MSG_DEBUG,
1563 "nl80211: key_mgmt=0x%x enc=0x%x auth=0x%x flags=0x%llx rrm_flags=0x%x probe_resp_offloads=0x%x max_stations=%u max_remain_on_chan=%u max_scan_ssids=%d",
1564 drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth,
1565 (unsigned long long) drv->capa.flags, drv->capa.rrm_flags,
1566 drv->capa.probe_resp_offloads, drv->capa.max_stations,
1567 drv->capa.max_remain_on_chan, drv->capa.max_scan_ssids);
1568 return 0;
1569 }
1570
1571
1572 struct phy_info_arg {
1573 u16 *num_modes;
1574 struct hostapd_hw_modes *modes;
1575 int last_mode, last_chan_idx;
1576 int failed;
1577 u8 dfs_domain;
1578 };
1579
phy_info_ht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * ampdu_factor,struct nlattr * ampdu_density,struct nlattr * mcs_set)1580 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1581 struct nlattr *ampdu_factor,
1582 struct nlattr *ampdu_density,
1583 struct nlattr *mcs_set)
1584 {
1585 if (capa)
1586 mode->ht_capab = nla_get_u16(capa);
1587
1588 if (ampdu_factor)
1589 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1590
1591 if (ampdu_density)
1592 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1593
1594 if (mcs_set && nla_len(mcs_set) >= 16) {
1595 u8 *mcs;
1596 mcs = nla_data(mcs_set);
1597 os_memcpy(mode->mcs_set, mcs, 16);
1598 }
1599 }
1600
1601
phy_info_vht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * mcs_set)1602 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1603 struct nlattr *capa,
1604 struct nlattr *mcs_set)
1605 {
1606 if (capa)
1607 mode->vht_capab = nla_get_u32(capa);
1608
1609 if (mcs_set && nla_len(mcs_set) >= 8) {
1610 u8 *mcs;
1611 mcs = nla_data(mcs_set);
1612 os_memcpy(mode->vht_mcs_set, mcs, 8);
1613 }
1614 }
1615
1616
phy_info_edmg_capa(struct hostapd_hw_modes * mode,struct nlattr * bw_config,struct nlattr * channels)1617 static int phy_info_edmg_capa(struct hostapd_hw_modes *mode,
1618 struct nlattr *bw_config,
1619 struct nlattr *channels)
1620 {
1621 if (!bw_config || !channels)
1622 return NL_OK;
1623
1624 mode->edmg.bw_config = nla_get_u8(bw_config);
1625 mode->edmg.channels = nla_get_u8(channels);
1626
1627 if (!mode->edmg.channels || !mode->edmg.bw_config)
1628 return NL_STOP;
1629
1630 return NL_OK;
1631 }
1632
1633
cw2ecw(unsigned int cw)1634 static int cw2ecw(unsigned int cw)
1635 {
1636 int bit;
1637
1638 if (cw == 0)
1639 return 0;
1640
1641 for (bit = 1; cw != 1; bit++)
1642 cw >>= 1;
1643
1644 return bit;
1645 }
1646
1647
phy_info_freq(struct hostapd_hw_modes * mode,struct hostapd_channel_data * chan,struct nlattr * tb_freq[])1648 static void phy_info_freq(struct hostapd_hw_modes *mode,
1649 struct hostapd_channel_data *chan,
1650 struct nlattr *tb_freq[])
1651 {
1652 u8 channel;
1653
1654 os_memset(chan, 0, sizeof(*chan));
1655 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1656 chan->flag = 0;
1657 chan->allowed_bw = ~0;
1658 chan->dfs_cac_ms = 0;
1659 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1660 chan->chan = channel;
1661 else
1662 wpa_printf(MSG_DEBUG,
1663 "nl80211: No channel number found for frequency %u MHz",
1664 chan->freq);
1665
1666 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1667 chan->flag |= HOSTAPD_CHAN_DISABLED;
1668 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1669 chan->flag |= HOSTAPD_CHAN_NO_IR;
1670 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1671 chan->flag |= HOSTAPD_CHAN_RADAR;
1672 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1673 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1674 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1675 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1676
1677 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
1678 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10;
1679 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
1680 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20;
1681 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
1682 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P;
1683 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
1684 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M;
1685 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
1686 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80;
1687 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
1688 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160;
1689
1690 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1691 enum nl80211_dfs_state state =
1692 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1693
1694 switch (state) {
1695 case NL80211_DFS_USABLE:
1696 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1697 break;
1698 case NL80211_DFS_AVAILABLE:
1699 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1700 break;
1701 case NL80211_DFS_UNAVAILABLE:
1702 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1703 break;
1704 }
1705 }
1706
1707 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1708 chan->dfs_cac_ms = nla_get_u32(
1709 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1710 }
1711
1712 chan->wmm_rules_valid = 0;
1713 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) {
1714 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = {
1715 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 },
1716 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 },
1717 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
1718 [NL80211_WMMR_TXOP] = { .type = NLA_U16 },
1719 };
1720 static const u8 wmm_map[4] = {
1721 [NL80211_AC_BE] = WMM_AC_BE,
1722 [NL80211_AC_BK] = WMM_AC_BK,
1723 [NL80211_AC_VI] = WMM_AC_VI,
1724 [NL80211_AC_VO] = WMM_AC_VO,
1725 };
1726 struct nlattr *nl_wmm;
1727 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
1728 int rem_wmm, ac, count = 0;
1729
1730 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM],
1731 rem_wmm) {
1732 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm,
1733 wmm_policy)) {
1734 wpa_printf(MSG_DEBUG,
1735 "nl80211: Failed to parse WMM rules attribute");
1736 return;
1737 }
1738 if (!tb_wmm[NL80211_WMMR_CW_MIN] ||
1739 !tb_wmm[NL80211_WMMR_CW_MAX] ||
1740 !tb_wmm[NL80211_WMMR_AIFSN] ||
1741 !tb_wmm[NL80211_WMMR_TXOP]) {
1742 wpa_printf(MSG_DEBUG,
1743 "nl80211: Channel is missing WMM rule attribute");
1744 return;
1745 }
1746 ac = nl_wmm->nla_type;
1747 if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) {
1748 wpa_printf(MSG_DEBUG,
1749 "nl80211: Invalid AC value %d", ac);
1750 return;
1751 }
1752
1753 ac = wmm_map[ac];
1754 chan->wmm_rules[ac].min_cwmin =
1755 cw2ecw(nla_get_u16(
1756 tb_wmm[NL80211_WMMR_CW_MIN]));
1757 chan->wmm_rules[ac].min_cwmax =
1758 cw2ecw(nla_get_u16(
1759 tb_wmm[NL80211_WMMR_CW_MAX]));
1760 chan->wmm_rules[ac].min_aifs =
1761 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]);
1762 chan->wmm_rules[ac].max_txop =
1763 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32;
1764 count++;
1765 }
1766
1767 /* Set valid flag if all the AC rules are present */
1768 if (count == WMM_AC_NUM)
1769 chan->wmm_rules_valid = 1;
1770 }
1771 }
1772
1773
phy_info_freqs(struct phy_info_arg * phy_info,struct hostapd_hw_modes * mode,struct nlattr * tb)1774 static int phy_info_freqs(struct phy_info_arg *phy_info,
1775 struct hostapd_hw_modes *mode, struct nlattr *tb)
1776 {
1777 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1778 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1779 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1780 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1781 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1782 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1783 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1784 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG },
1785 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG },
1786 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG },
1787 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG },
1788 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG },
1789 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG },
1790 };
1791 int new_channels = 0;
1792 struct hostapd_channel_data *channel;
1793 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1794 struct nlattr *nl_freq;
1795 int rem_freq, idx;
1796
1797 if (tb == NULL)
1798 return NL_OK;
1799
1800 nla_for_each_nested(nl_freq, tb, rem_freq) {
1801 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1802 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1803 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1804 continue;
1805 new_channels++;
1806 }
1807
1808 channel = os_realloc_array(mode->channels,
1809 mode->num_channels + new_channels,
1810 sizeof(struct hostapd_channel_data));
1811 if (!channel)
1812 return NL_STOP;
1813
1814 mode->channels = channel;
1815 mode->num_channels += new_channels;
1816
1817 idx = phy_info->last_chan_idx;
1818
1819 nla_for_each_nested(nl_freq, tb, rem_freq) {
1820 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1821 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1822 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1823 continue;
1824 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1825 idx++;
1826 }
1827 phy_info->last_chan_idx = idx;
1828
1829 return NL_OK;
1830 }
1831
1832
phy_info_rates(struct hostapd_hw_modes * mode,struct nlattr * tb)1833 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1834 {
1835 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1836 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1837 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1838 { .type = NLA_FLAG },
1839 };
1840 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1841 struct nlattr *nl_rate;
1842 int rem_rate, idx;
1843
1844 if (tb == NULL)
1845 return NL_OK;
1846
1847 nla_for_each_nested(nl_rate, tb, rem_rate) {
1848 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1849 nla_data(nl_rate), nla_len(nl_rate),
1850 rate_policy);
1851 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1852 continue;
1853 mode->num_rates++;
1854 }
1855
1856 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1857 if (!mode->rates)
1858 return NL_STOP;
1859
1860 idx = 0;
1861
1862 nla_for_each_nested(nl_rate, tb, rem_rate) {
1863 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1864 nla_data(nl_rate), nla_len(nl_rate),
1865 rate_policy);
1866 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1867 continue;
1868 mode->rates[idx] = nla_get_u32(
1869 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1870 idx++;
1871 }
1872
1873 return NL_OK;
1874 }
1875
1876
phy_info_iftype_copy(struct hostapd_hw_modes * mode,enum ieee80211_op_mode opmode,struct nlattr ** tb,struct nlattr ** tb_flags)1877 static void phy_info_iftype_copy(struct hostapd_hw_modes *mode,
1878 enum ieee80211_op_mode opmode,
1879 struct nlattr **tb, struct nlattr **tb_flags)
1880 {
1881 enum nl80211_iftype iftype;
1882 size_t len;
1883 struct he_capabilities *he_capab = &mode->he_capab[opmode];
1884 struct eht_capabilities *eht_capab = &mode->eht_capab[opmode];
1885
1886 switch (opmode) {
1887 case IEEE80211_MODE_INFRA:
1888 iftype = NL80211_IFTYPE_STATION;
1889 break;
1890 case IEEE80211_MODE_IBSS:
1891 iftype = NL80211_IFTYPE_ADHOC;
1892 break;
1893 case IEEE80211_MODE_AP:
1894 iftype = NL80211_IFTYPE_AP;
1895 break;
1896 case IEEE80211_MODE_MESH:
1897 iftype = NL80211_IFTYPE_MESH_POINT;
1898 break;
1899 default:
1900 return;
1901 }
1902
1903 if (!nla_get_flag(tb_flags[iftype]))
1904 return;
1905
1906 he_capab->he_supported = 1;
1907
1908 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
1909 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
1910
1911 if (len > sizeof(he_capab->phy_cap))
1912 len = sizeof(he_capab->phy_cap);
1913 os_memcpy(he_capab->phy_cap,
1914 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
1915 len);
1916 }
1917
1918 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
1919 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
1920
1921 if (len > sizeof(he_capab->mac_cap))
1922 len = sizeof(he_capab->mac_cap);
1923 os_memcpy(he_capab->mac_cap,
1924 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
1925 len);
1926 }
1927
1928 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
1929 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
1930
1931 if (len > sizeof(he_capab->mcs))
1932 len = sizeof(he_capab->mcs);
1933 os_memcpy(he_capab->mcs,
1934 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
1935 len);
1936 }
1937
1938 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
1939 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
1940
1941 if (len > sizeof(he_capab->ppet))
1942 len = sizeof(he_capab->ppet);
1943 os_memcpy(&he_capab->ppet,
1944 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
1945 len);
1946 }
1947
1948 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]) {
1949 u16 capa;
1950
1951 capa = nla_get_u16(tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]);
1952 he_capab->he_6ghz_capa = le_to_host16(capa);
1953 }
1954
1955 if (!tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC] ||
1956 !tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY])
1957 return;
1958
1959 eht_capab->eht_supported = true;
1960
1961 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC] &&
1962 nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC]) >= 2) {
1963 const u8 *pos;
1964
1965 pos = nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC]);
1966 eht_capab->mac_cap = WPA_GET_LE16(pos);
1967 }
1968
1969 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]) {
1970 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]);
1971 if (len > sizeof(eht_capab->phy_cap))
1972 len = sizeof(eht_capab->phy_cap);
1973 os_memcpy(eht_capab->phy_cap,
1974 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY]),
1975 len);
1976 }
1977
1978 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]) {
1979 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]);
1980 if (len > sizeof(eht_capab->mcs))
1981 len = sizeof(eht_capab->mcs);
1982 os_memcpy(eht_capab->mcs,
1983 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET]),
1984 len);
1985 }
1986
1987 if (tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]) {
1988 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]);
1989 if (len > sizeof(eht_capab->ppet))
1990 len = sizeof(eht_capab->ppet);
1991 os_memcpy(&eht_capab->ppet,
1992 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE]),
1993 len);
1994 }
1995 }
1996
1997
phy_info_iftype(struct hostapd_hw_modes * mode,struct nlattr * nl_iftype)1998 static int phy_info_iftype(struct hostapd_hw_modes *mode,
1999 struct nlattr *nl_iftype)
2000 {
2001 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
2002 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
2003 unsigned int i;
2004
2005 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
2006 nla_data(nl_iftype), nla_len(nl_iftype), NULL);
2007
2008 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
2009 return NL_STOP;
2010
2011 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
2012 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
2013 return NL_STOP;
2014
2015 for (i = 0; i < IEEE80211_MODE_NUM; i++)
2016 phy_info_iftype_copy(mode, i, tb, tb_flags);
2017
2018 return NL_OK;
2019 }
2020
2021
phy_info_band(struct phy_info_arg * phy_info,struct nlattr * nl_band)2022 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
2023 {
2024 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
2025 struct hostapd_hw_modes *mode;
2026 int ret;
2027
2028 if (phy_info->last_mode != nl_band->nla_type) {
2029 mode = os_realloc_array(phy_info->modes,
2030 *phy_info->num_modes + 1,
2031 sizeof(*mode));
2032 if (!mode) {
2033 phy_info->failed = 1;
2034 return NL_STOP;
2035 }
2036 phy_info->modes = mode;
2037
2038 mode = &phy_info->modes[*(phy_info->num_modes)];
2039 os_memset(mode, 0, sizeof(*mode));
2040 mode->mode = NUM_HOSTAPD_MODES;
2041 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
2042 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN |
2043 HOSTAPD_MODE_FLAG_HE_INFO_KNOWN;
2044
2045 /*
2046 * Unsupported VHT MCS stream is defined as value 3, so the VHT
2047 * MCS RX/TX map must be initialized with 0xffff to mark all 8
2048 * possible streams as unsupported. This will be overridden if
2049 * driver advertises VHT support.
2050 */
2051 mode->vht_mcs_set[0] = 0xff;
2052 mode->vht_mcs_set[1] = 0xff;
2053 mode->vht_mcs_set[4] = 0xff;
2054 mode->vht_mcs_set[5] = 0xff;
2055
2056 *(phy_info->num_modes) += 1;
2057 phy_info->last_mode = nl_band->nla_type;
2058 phy_info->last_chan_idx = 0;
2059 } else
2060 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
2061
2062 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
2063 nla_len(nl_band), NULL);
2064
2065 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
2066 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
2067 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
2068 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
2069 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
2070 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
2071 ret = phy_info_edmg_capa(mode,
2072 tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG],
2073 tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]);
2074 if (ret == NL_OK)
2075 ret = phy_info_freqs(phy_info, mode,
2076 tb_band[NL80211_BAND_ATTR_FREQS]);
2077 if (ret == NL_OK)
2078 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
2079 if (ret != NL_OK) {
2080 phy_info->failed = 1;
2081 return ret;
2082 }
2083
2084 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
2085 struct nlattr *nl_iftype;
2086 int rem_band;
2087
2088 nla_for_each_nested(nl_iftype,
2089 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA],
2090 rem_band) {
2091 ret = phy_info_iftype(mode, nl_iftype);
2092 if (ret != NL_OK)
2093 return ret;
2094 }
2095 }
2096
2097 return NL_OK;
2098 }
2099
2100
phy_info_handler(struct nl_msg * msg,void * arg)2101 static int phy_info_handler(struct nl_msg *msg, void *arg)
2102 {
2103 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2104 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2105 struct phy_info_arg *phy_info = arg;
2106 struct nlattr *nl_band;
2107 int rem_band;
2108
2109 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2110 genlmsg_attrlen(gnlh, 0), NULL);
2111
2112 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
2113 return NL_SKIP;
2114
2115 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
2116 {
2117 int res = phy_info_band(phy_info, nl_band);
2118 if (res != NL_OK)
2119 return res;
2120 }
2121
2122 return NL_SKIP;
2123 }
2124
2125
2126 static struct hostapd_hw_modes *
wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes * modes,u16 * num_modes)2127 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
2128 u16 *num_modes)
2129 {
2130 u16 m;
2131 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
2132 int i, mode11g_idx = -1;
2133
2134 /* heuristic to set up modes */
2135 for (m = 0; m < *num_modes; m++) {
2136 if (!modes[m].num_channels)
2137 continue;
2138 if (modes[m].channels[0].freq < 2000) {
2139 modes[m].num_channels = 0;
2140 continue;
2141 } else if (modes[m].channels[0].freq < 4000) {
2142 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
2143 for (i = 0; i < modes[m].num_rates; i++) {
2144 if (modes[m].rates[i] > 200) {
2145 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
2146 break;
2147 }
2148 }
2149 } else if (modes[m].channels[0].freq > 50000)
2150 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
2151 else
2152 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
2153 }
2154
2155 /* Remove unsupported bands */
2156 m = 0;
2157 while (m < *num_modes) {
2158 if (modes[m].mode == NUM_HOSTAPD_MODES) {
2159 wpa_printf(MSG_DEBUG,
2160 "nl80211: Remove unsupported mode");
2161 os_free(modes[m].channels);
2162 os_free(modes[m].rates);
2163 if (m + 1 < *num_modes)
2164 os_memmove(&modes[m], &modes[m + 1],
2165 sizeof(struct hostapd_hw_modes) *
2166 (*num_modes - (m + 1)));
2167 (*num_modes)--;
2168 continue;
2169 }
2170 m++;
2171 }
2172
2173 /* If only 802.11g mode is included, use it to construct matching
2174 * 802.11b mode data. */
2175
2176 for (m = 0; m < *num_modes; m++) {
2177 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
2178 return modes; /* 802.11b already included */
2179 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
2180 mode11g_idx = m;
2181 }
2182
2183 if (mode11g_idx < 0)
2184 return modes; /* 2.4 GHz band not supported at all */
2185
2186 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
2187 if (nmodes == NULL)
2188 return modes; /* Could not add 802.11b mode */
2189
2190 mode = &nmodes[*num_modes];
2191 os_memset(mode, 0, sizeof(*mode));
2192 (*num_modes)++;
2193 modes = nmodes;
2194
2195 mode->mode = HOSTAPD_MODE_IEEE80211B;
2196
2197 mode11g = &modes[mode11g_idx];
2198 mode->num_channels = mode11g->num_channels;
2199 mode->channels = os_memdup(mode11g->channels,
2200 mode11g->num_channels *
2201 sizeof(struct hostapd_channel_data));
2202 if (mode->channels == NULL) {
2203 (*num_modes)--;
2204 return modes; /* Could not add 802.11b mode */
2205 }
2206
2207 mode->num_rates = 0;
2208 mode->rates = os_malloc(4 * sizeof(int));
2209 if (mode->rates == NULL) {
2210 os_free(mode->channels);
2211 (*num_modes)--;
2212 return modes; /* Could not add 802.11b mode */
2213 }
2214
2215 for (i = 0; i < mode11g->num_rates; i++) {
2216 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
2217 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
2218 continue;
2219 mode->rates[mode->num_rates] = mode11g->rates[i];
2220 mode->num_rates++;
2221 if (mode->num_rates == 4)
2222 break;
2223 }
2224
2225 if (mode->num_rates == 0) {
2226 os_free(mode->channels);
2227 os_free(mode->rates);
2228 (*num_modes)--;
2229 return modes; /* No 802.11b rates */
2230 }
2231
2232 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
2233 "information");
2234
2235 return modes;
2236 }
2237
2238
nl80211_set_ht40_mode(struct hostapd_hw_modes * mode,int start,int end)2239 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
2240 int end)
2241 {
2242 int c;
2243
2244 for (c = 0; c < mode->num_channels; c++) {
2245 struct hostapd_channel_data *chan = &mode->channels[c];
2246 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
2247 chan->flag |= HOSTAPD_CHAN_HT40;
2248 }
2249 }
2250
2251
nl80211_set_ht40_mode_sec(struct hostapd_hw_modes * mode,int start,int end)2252 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
2253 int end)
2254 {
2255 int c;
2256
2257 for (c = 0; c < mode->num_channels; c++) {
2258 struct hostapd_channel_data *chan = &mode->channels[c];
2259 if (!(chan->flag & HOSTAPD_CHAN_HT40))
2260 continue;
2261 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
2262 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
2263 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
2264 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
2265 }
2266 }
2267
2268
nl80211_reg_rule_max_eirp(u32 start,u32 end,u32 max_eirp,struct phy_info_arg * results)2269 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
2270 struct phy_info_arg *results)
2271 {
2272 u16 m;
2273
2274 for (m = 0; m < *results->num_modes; m++) {
2275 int c;
2276 struct hostapd_hw_modes *mode = &results->modes[m];
2277
2278 for (c = 0; c < mode->num_channels; c++) {
2279 struct hostapd_channel_data *chan = &mode->channels[c];
2280 if ((u32) chan->freq - 10 >= start &&
2281 (u32) chan->freq + 10 <= end)
2282 chan->max_tx_power = max_eirp;
2283 }
2284 }
2285 }
2286
2287
nl80211_reg_rule_ht40(u32 start,u32 end,struct phy_info_arg * results)2288 static void nl80211_reg_rule_ht40(u32 start, u32 end,
2289 struct phy_info_arg *results)
2290 {
2291 u16 m;
2292
2293 for (m = 0; m < *results->num_modes; m++) {
2294 if (!(results->modes[m].ht_capab &
2295 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2296 continue;
2297 nl80211_set_ht40_mode(&results->modes[m], start, end);
2298 }
2299 }
2300
2301
nl80211_reg_rule_sec(struct nlattr * tb[],struct phy_info_arg * results)2302 static void nl80211_reg_rule_sec(struct nlattr *tb[],
2303 struct phy_info_arg *results)
2304 {
2305 u32 start, end, max_bw;
2306 u16 m;
2307
2308 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2309 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2310 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2311 return;
2312
2313 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2314 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2315 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2316
2317 if (max_bw < 20)
2318 return;
2319
2320 for (m = 0; m < *results->num_modes; m++) {
2321 if (!(results->modes[m].ht_capab &
2322 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2323 continue;
2324 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
2325 }
2326 }
2327
2328
nl80211_set_vht_mode(struct hostapd_hw_modes * mode,int start,int end,int max_bw)2329 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
2330 int end, int max_bw)
2331 {
2332 int c;
2333
2334 for (c = 0; c < mode->num_channels; c++) {
2335 struct hostapd_channel_data *chan = &mode->channels[c];
2336
2337 if (chan->freq - 10 < start || chan->freq + 10 > end)
2338 continue;
2339
2340 if (max_bw >= 80)
2341 chan->flag |= HOSTAPD_CHAN_VHT_80MHZ_SUBCHANNEL;
2342
2343 if (max_bw >= 160)
2344 chan->flag |= HOSTAPD_CHAN_VHT_160MHZ_SUBCHANNEL;
2345 }
2346 }
2347
2348
nl80211_reg_rule_vht(struct nlattr * tb[],struct phy_info_arg * results)2349 static void nl80211_reg_rule_vht(struct nlattr *tb[],
2350 struct phy_info_arg *results)
2351 {
2352 u32 start, end, max_bw;
2353 u16 m;
2354
2355 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2356 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2357 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2358 return;
2359
2360 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2361 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2362 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2363
2364 if (max_bw < 80)
2365 return;
2366
2367 for (m = 0; m < *results->num_modes; m++) {
2368 if (!(results->modes[m].ht_capab &
2369 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2370 continue;
2371 /* TODO: use a real VHT support indication */
2372 if (!results->modes[m].vht_capab)
2373 continue;
2374
2375 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
2376 }
2377 }
2378
2379
nl80211_set_dfs_domain(enum nl80211_dfs_regions region,u8 * dfs_domain)2380 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
2381 u8 *dfs_domain)
2382 {
2383 if (region == NL80211_DFS_FCC)
2384 *dfs_domain = HOSTAPD_DFS_REGION_FCC;
2385 else if (region == NL80211_DFS_ETSI)
2386 *dfs_domain = HOSTAPD_DFS_REGION_ETSI;
2387 else if (region == NL80211_DFS_JP)
2388 *dfs_domain = HOSTAPD_DFS_REGION_JP;
2389 else
2390 *dfs_domain = 0;
2391 }
2392
2393
dfs_domain_name(enum nl80211_dfs_regions region)2394 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
2395 {
2396 switch (region) {
2397 case NL80211_DFS_UNSET:
2398 return "DFS-UNSET";
2399 case NL80211_DFS_FCC:
2400 return "DFS-FCC";
2401 case NL80211_DFS_ETSI:
2402 return "DFS-ETSI";
2403 case NL80211_DFS_JP:
2404 return "DFS-JP";
2405 default:
2406 return "DFS-invalid";
2407 }
2408 }
2409
2410
nl80211_get_reg(struct nl_msg * msg,void * arg)2411 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
2412 {
2413 struct phy_info_arg *results = arg;
2414 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2415 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2416 struct nlattr *nl_rule;
2417 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
2418 int rem_rule;
2419 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2420 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
2421 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
2422 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
2423 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
2424 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
2425 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
2426 };
2427
2428 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2429 genlmsg_attrlen(gnlh, 0), NULL);
2430 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
2431 !tb_msg[NL80211_ATTR_REG_RULES]) {
2432 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
2433 "available");
2434 return NL_SKIP;
2435 }
2436
2437 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
2438 enum nl80211_dfs_regions dfs_domain;
2439 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
2440 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
2441 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
2442 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
2443 dfs_domain_name(dfs_domain));
2444 } else {
2445 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
2446 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
2447 }
2448
2449 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2450 {
2451 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
2452 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2453 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2454 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2455 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
2456 continue;
2457 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2458 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2459 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2460 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
2461 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2462 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2463 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
2464 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
2465
2466 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
2467 start, end, max_bw, max_eirp,
2468 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
2469 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
2470 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
2471 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
2472 "",
2473 flags & NL80211_RRF_DFS ? " (DFS)" : "",
2474 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
2475 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
2476 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
2477 if (max_bw >= 40)
2478 nl80211_reg_rule_ht40(start, end, results);
2479 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2480 nl80211_reg_rule_max_eirp(start, end, max_eirp,
2481 results);
2482 }
2483
2484 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2485 {
2486 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2487 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2488 nl80211_reg_rule_sec(tb_rule, results);
2489 }
2490
2491 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2492 {
2493 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2494 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2495 nl80211_reg_rule_vht(tb_rule, results);
2496 }
2497
2498 return NL_SKIP;
2499 }
2500
2501
nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data * drv,struct phy_info_arg * results)2502 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
2503 struct phy_info_arg *results)
2504 {
2505 struct nl_msg *msg;
2506
2507 msg = nlmsg_alloc();
2508 if (!msg)
2509 return -ENOMEM;
2510
2511 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
2512 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
2513 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
2514 nlmsg_free(msg);
2515 return -1;
2516 }
2517 }
2518
2519 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results,
2520 NULL, NULL);
2521 }
2522
2523
modestr(enum hostapd_hw_mode mode)2524 static const char * modestr(enum hostapd_hw_mode mode)
2525 {
2526 switch (mode) {
2527 case HOSTAPD_MODE_IEEE80211B:
2528 return "802.11b";
2529 case HOSTAPD_MODE_IEEE80211G:
2530 return "802.11g";
2531 case HOSTAPD_MODE_IEEE80211A:
2532 return "802.11a";
2533 case HOSTAPD_MODE_IEEE80211AD:
2534 return "802.11ad";
2535 default:
2536 return "?";
2537 }
2538 }
2539
2540
nl80211_dump_chan_list(struct wpa_driver_nl80211_data * drv,struct hostapd_hw_modes * modes,u16 num_modes)2541 static void nl80211_dump_chan_list(struct wpa_driver_nl80211_data *drv,
2542 struct hostapd_hw_modes *modes,
2543 u16 num_modes)
2544 {
2545 int i;
2546
2547 if (!modes)
2548 return;
2549
2550 for (i = 0; i < num_modes; i++) {
2551 struct hostapd_hw_modes *mode = &modes[i];
2552 char str[1000];
2553 char *pos = str;
2554 char *end = pos + sizeof(str);
2555 int j, res;
2556
2557 for (j = 0; j < mode->num_channels; j++) {
2558 struct hostapd_channel_data *chan = &mode->channels[j];
2559
2560 if (chan->freq >= 5925 && chan->freq <= 7125 &&
2561 !(chan->flag & HOSTAPD_CHAN_DISABLED))
2562 drv->uses_6ghz = true;
2563 res = os_snprintf(pos, end - pos, " %d%s%s%s",
2564 chan->freq,
2565 (chan->flag & HOSTAPD_CHAN_DISABLED) ?
2566 "[DISABLED]" : "",
2567 (chan->flag & HOSTAPD_CHAN_NO_IR) ?
2568 "[NO_IR]" : "",
2569 (chan->flag & HOSTAPD_CHAN_RADAR) ?
2570 "[RADAR]" : "");
2571 if (os_snprintf_error(end - pos, res))
2572 break;
2573 pos += res;
2574 }
2575
2576 *pos = '\0';
2577 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
2578 modestr(mode->mode), str);
2579 }
2580 }
2581
2582
2583 struct hostapd_hw_modes *
nl80211_get_hw_feature_data(void * priv,u16 * num_modes,u16 * flags,u8 * dfs_domain)2584 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
2585 u8 *dfs_domain)
2586 {
2587 u32 feat;
2588 struct i802_bss *bss = priv;
2589 struct wpa_driver_nl80211_data *drv = bss->drv;
2590 int nl_flags = 0;
2591 struct nl_msg *msg;
2592 struct phy_info_arg result = {
2593 .num_modes = num_modes,
2594 .modes = NULL,
2595 .last_mode = -1,
2596 .failed = 0,
2597 .dfs_domain = 0,
2598 };
2599
2600 *num_modes = 0;
2601 *flags = 0;
2602 *dfs_domain = 0;
2603
2604 feat = get_nl80211_protocol_features(drv);
2605 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
2606 nl_flags = NLM_F_DUMP;
2607 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
2608 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
2609 nlmsg_free(msg);
2610 return NULL;
2611 }
2612
2613 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result,
2614 NULL, NULL) == 0) {
2615 struct hostapd_hw_modes *modes;
2616
2617 nl80211_set_regulatory_flags(drv, &result);
2618 if (result.failed) {
2619 int i;
2620
2621 for (i = 0; result.modes && i < *num_modes; i++) {
2622 os_free(result.modes[i].channels);
2623 os_free(result.modes[i].rates);
2624 }
2625 os_free(result.modes);
2626 *num_modes = 0;
2627 return NULL;
2628 }
2629
2630 *dfs_domain = result.dfs_domain;
2631
2632 modes = wpa_driver_nl80211_postprocess_modes(result.modes,
2633 num_modes);
2634 nl80211_dump_chan_list(drv, modes, *num_modes);
2635 return modes;
2636 }
2637
2638 return NULL;
2639 }
2640