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 "driver_nl80211.h"
20 #ifdef CONFIG_DRIVER_NL80211_BRCM
21 #include "common/brcm_vendor.h"
22 #endif /* CONFIG_DRIVER_NL80211_BRCM */
23
protocol_feature_handler(struct nl_msg * msg,void * arg)24 static int protocol_feature_handler(struct nl_msg *msg, void *arg)
25 {
26 u32 *feat = arg;
27 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
28 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
29
30 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
31 genlmsg_attrlen(gnlh, 0), NULL);
32
33 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
34 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
35
36 return NL_SKIP;
37 }
38
39
get_nl80211_protocol_features(struct wpa_driver_nl80211_data * drv)40 static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
41 {
42 u32 feat = 0;
43 struct nl_msg *msg;
44
45 msg = nlmsg_alloc();
46 if (!msg)
47 return 0;
48
49 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) {
50 nlmsg_free(msg);
51 return 0;
52 }
53
54 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat,
55 NULL, NULL) == 0)
56 return feat;
57
58 return 0;
59 }
60
61
62 struct wiphy_info_data {
63 struct wpa_driver_nl80211_data *drv;
64 struct wpa_driver_capa *capa;
65
66 unsigned int num_multichan_concurrent;
67
68 unsigned int error:1;
69 unsigned int device_ap_sme:1;
70 unsigned int poll_command_supported:1;
71 unsigned int data_tx_status:1;
72 unsigned int auth_supported:1;
73 unsigned int connect_supported:1;
74 unsigned int p2p_go_supported:1;
75 unsigned int p2p_client_supported:1;
76 unsigned int p2p_go_ctwindow_supported:1;
77 unsigned int p2p_concurrent:1;
78 unsigned int channel_switch_supported:1;
79 unsigned int set_qos_map_supported:1;
80 unsigned int have_low_prio_scan:1;
81 unsigned int wmm_ac_supported:1;
82 unsigned int mac_addr_rand_scan_supported:1;
83 unsigned int mac_addr_rand_sched_scan_supported:1;
84 unsigned int update_ft_ies_supported:1;
85 unsigned int has_key_mgmt:1;
86 unsigned int has_key_mgmt_iftype:1;
87 };
88
89
probe_resp_offload_support(int supp_protocols)90 static unsigned int probe_resp_offload_support(int supp_protocols)
91 {
92 unsigned int prot = 0;
93
94 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
95 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
96 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
97 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
98 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
99 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
100 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
101 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
102
103 return prot;
104 }
105
106
wiphy_info_supported_iftypes(struct wiphy_info_data * info,struct nlattr * tb)107 static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
108 struct nlattr *tb)
109 {
110 struct nlattr *nl_mode;
111 int i;
112
113 if (tb == NULL)
114 return;
115
116 nla_for_each_nested(nl_mode, tb, i) {
117 switch (nla_type(nl_mode)) {
118 case NL80211_IFTYPE_AP:
119 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
120 break;
121 case NL80211_IFTYPE_MESH_POINT:
122 info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
123 break;
124 case NL80211_IFTYPE_ADHOC:
125 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
126 break;
127 case NL80211_IFTYPE_P2P_DEVICE:
128 info->capa->flags |=
129 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
130 break;
131 case NL80211_IFTYPE_P2P_GO:
132 info->p2p_go_supported = 1;
133 break;
134 case NL80211_IFTYPE_P2P_CLIENT:
135 info->p2p_client_supported = 1;
136 break;
137 }
138 }
139 }
140
141
wiphy_info_iface_comb_process(struct wiphy_info_data * info,struct nlattr * nl_combi)142 static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
143 struct nlattr *nl_combi)
144 {
145 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
146 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
147 struct nlattr *nl_limit, *nl_mode;
148 int err, rem_limit, rem_mode;
149 int combination_has_p2p = 0, combination_has_mgd = 0;
150 static struct nla_policy
151 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
152 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
153 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
154 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
155 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
156 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
157 },
158 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
159 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
160 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
161 };
162
163 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
164 nl_combi, iface_combination_policy);
165 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
166 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
167 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
168 return 0; /* broken combination */
169
170 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
171 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
172
173 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
174 rem_limit) {
175 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
176 nl_limit, iface_limit_policy);
177 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
178 return 0; /* broken combination */
179
180 nla_for_each_nested(nl_mode,
181 tb_limit[NL80211_IFACE_LIMIT_TYPES],
182 rem_mode) {
183 int ift = nla_type(nl_mode);
184 if (ift == NL80211_IFTYPE_P2P_GO ||
185 ift == NL80211_IFTYPE_P2P_CLIENT)
186 combination_has_p2p = 1;
187 if (ift == NL80211_IFTYPE_STATION)
188 combination_has_mgd = 1;
189 }
190 if (combination_has_p2p && combination_has_mgd)
191 break;
192 }
193
194 if (combination_has_p2p && combination_has_mgd) {
195 unsigned int num_channels =
196 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
197
198 info->p2p_concurrent = 1;
199 if (info->num_multichan_concurrent < num_channels)
200 info->num_multichan_concurrent = num_channels;
201 }
202
203 return 0;
204 }
205
206
wiphy_info_iface_comb(struct wiphy_info_data * info,struct nlattr * tb)207 static void wiphy_info_iface_comb(struct wiphy_info_data *info,
208 struct nlattr *tb)
209 {
210 struct nlattr *nl_combi;
211 int rem_combi;
212
213 if (tb == NULL)
214 return;
215
216 nla_for_each_nested(nl_combi, tb, rem_combi) {
217 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
218 break;
219 }
220 }
221
222
wiphy_info_supp_cmds(struct wiphy_info_data * info,struct nlattr * tb)223 static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
224 struct nlattr *tb)
225 {
226 struct nlattr *nl_cmd;
227 int i;
228
229 if (tb == NULL)
230 return;
231
232 nla_for_each_nested(nl_cmd, tb, i) {
233 switch (nla_get_u32(nl_cmd)) {
234 case NL80211_CMD_AUTHENTICATE:
235 info->auth_supported = 1;
236 break;
237 case NL80211_CMD_CONNECT:
238 info->connect_supported = 1;
239 break;
240 case NL80211_CMD_START_SCHED_SCAN:
241 info->capa->sched_scan_supported = 1;
242 break;
243 case NL80211_CMD_PROBE_CLIENT:
244 info->poll_command_supported = 1;
245 break;
246 case NL80211_CMD_CHANNEL_SWITCH:
247 info->channel_switch_supported = 1;
248 break;
249 case NL80211_CMD_SET_QOS_MAP:
250 info->set_qos_map_supported = 1;
251 break;
252 case NL80211_CMD_UPDATE_FT_IES:
253 info->update_ft_ies_supported = 1;
254 break;
255 }
256 }
257 }
258
259
get_akm_suites_info(struct nlattr * tb)260 static unsigned int get_akm_suites_info(struct nlattr *tb)
261 {
262 int i, num;
263 unsigned int key_mgmt = 0;
264 u32 *akms;
265
266 if (!tb)
267 return 0;
268
269 num = nla_len(tb) / sizeof(u32);
270 akms = nla_data(tb);
271 for (i = 0; i < num; i++) {
272 switch (akms[i]) {
273 case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X:
274 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
275 WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
276 break;
277 case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X:
278 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
279 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
280 break;
281 case RSN_AUTH_KEY_MGMT_FT_802_1X:
282 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT;
283 break;
284 case RSN_AUTH_KEY_MGMT_FT_PSK:
285 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
286 break;
287 case RSN_AUTH_KEY_MGMT_802_1X_SHA256:
288 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_802_1X_SHA256;
289 break;
290 case RSN_AUTH_KEY_MGMT_PSK_SHA256:
291 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_PSK_SHA256;
292 break;
293 case RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE:
294 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_TPK_HANDSHAKE;
295 break;
296 case RSN_AUTH_KEY_MGMT_FT_SAE:
297 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_SAE;
298 break;
299 case RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384:
300 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_802_1X_SHA384;
301 break;
302 case RSN_AUTH_KEY_MGMT_CCKM:
303 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_CCKM;
304 break;
305 case RSN_AUTH_KEY_MGMT_OSEN:
306 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OSEN;
307 break;
308 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B:
309 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B;
310 break;
311 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192:
312 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
313 break;
314 case RSN_AUTH_KEY_MGMT_OWE:
315 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE;
316 break;
317 case RSN_AUTH_KEY_MGMT_DPP:
318 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP;
319 break;
320 case RSN_AUTH_KEY_MGMT_FILS_SHA256:
321 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256;
322 break;
323 case RSN_AUTH_KEY_MGMT_FILS_SHA384:
324 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
325 break;
326 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256:
327 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256;
328 break;
329 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384:
330 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384;
331 break;
332 case RSN_AUTH_KEY_MGMT_SAE:
333 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE;
334 break;
335 }
336 }
337
338 return key_mgmt;
339 }
340
341
get_iface_akm_suites_info(struct wiphy_info_data * info,struct nlattr * nl_akms)342 static void get_iface_akm_suites_info(struct wiphy_info_data *info,
343 struct nlattr *nl_akms)
344 {
345 struct nlattr *tb[NL80211_IFTYPE_AKM_ATTR_MAX + 1];
346 struct nlattr *nl_iftype;
347 unsigned int key_mgmt;
348 int i;
349
350 if (!nl_akms)
351 return;
352
353 nla_parse(tb, NL80211_IFTYPE_AKM_ATTR_MAX,
354 nla_data(nl_akms), nla_len(nl_akms), NULL);
355
356 if (!tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES] ||
357 !tb[NL80211_IFTYPE_AKM_ATTR_SUITES])
358 return;
359
360 info->has_key_mgmt_iftype = 1;
361 key_mgmt = get_akm_suites_info(tb[NL80211_IFTYPE_AKM_ATTR_SUITES]);
362
363 nla_for_each_nested(nl_iftype, tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES], i) {
364 switch (nla_type(nl_iftype)) {
365 case NL80211_IFTYPE_ADHOC:
366 info->drv->capa.key_mgmt_iftype[WPA_IF_IBSS] = key_mgmt;
367 break;
368 case NL80211_IFTYPE_STATION:
369 info->drv->capa.key_mgmt_iftype[WPA_IF_STATION] =
370 key_mgmt;
371 break;
372 case NL80211_IFTYPE_AP:
373 info->drv->capa.key_mgmt_iftype[WPA_IF_AP_BSS] =
374 key_mgmt;
375 break;
376 case NL80211_IFTYPE_AP_VLAN:
377 info->drv->capa.key_mgmt_iftype[WPA_IF_AP_VLAN] =
378 key_mgmt;
379 break;
380 case NL80211_IFTYPE_MESH_POINT:
381 info->drv->capa.key_mgmt_iftype[WPA_IF_MESH] = key_mgmt;
382 break;
383 case NL80211_IFTYPE_P2P_CLIENT:
384 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_CLIENT] =
385 key_mgmt;
386 break;
387 case NL80211_IFTYPE_P2P_GO:
388 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_GO] =
389 key_mgmt;
390 break;
391 case NL80211_IFTYPE_P2P_DEVICE:
392 info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_DEVICE] =
393 key_mgmt;
394 break;
395 case NL80211_IFTYPE_NAN:
396 info->drv->capa.key_mgmt_iftype[WPA_IF_NAN] = key_mgmt;
397 break;
398 }
399 wpa_printf(MSG_DEBUG, "nl80211: %s supported key_mgmt 0x%x",
400 nl80211_iftype_str(nla_type(nl_iftype)),
401 key_mgmt);
402 }
403 }
404
405
wiphy_info_iftype_akm_suites(struct wiphy_info_data * info,struct nlattr * tb)406 static void wiphy_info_iftype_akm_suites(struct wiphy_info_data *info,
407 struct nlattr *tb)
408 {
409 struct nlattr *nl_if;
410 int rem_if;
411
412 if (!tb)
413 return;
414
415 nla_for_each_nested(nl_if, tb, rem_if)
416 get_iface_akm_suites_info(info, nl_if);
417 }
418
419
wiphy_info_akm_suites(struct wiphy_info_data * info,struct nlattr * tb)420 static void wiphy_info_akm_suites(struct wiphy_info_data *info,
421 struct nlattr *tb)
422 {
423 if (!tb)
424 return;
425
426 info->has_key_mgmt = 1;
427 info->capa->key_mgmt = get_akm_suites_info(tb);
428 wpa_printf(MSG_DEBUG, "nl80211: wiphy supported key_mgmt 0x%x",
429 info->capa->key_mgmt);
430 }
431
432
wiphy_info_cipher_suites(struct wiphy_info_data * info,struct nlattr * tb)433 static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
434 struct nlattr *tb)
435 {
436 int i, num;
437 u32 *ciphers;
438
439 if (tb == NULL)
440 return;
441
442 num = nla_len(tb) / sizeof(u32);
443 ciphers = nla_data(tb);
444 for (i = 0; i < num; i++) {
445 u32 c = ciphers[i];
446
447 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
448 c >> 24, (c >> 16) & 0xff,
449 (c >> 8) & 0xff, c & 0xff);
450 switch (c) {
451 case RSN_CIPHER_SUITE_CCMP_256:
452 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
453 break;
454 case RSN_CIPHER_SUITE_GCMP_256:
455 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
456 break;
457 case RSN_CIPHER_SUITE_CCMP:
458 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
459 break;
460 case RSN_CIPHER_SUITE_GCMP:
461 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
462 break;
463 case RSN_CIPHER_SUITE_TKIP:
464 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
465 break;
466 case RSN_CIPHER_SUITE_WEP104:
467 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
468 break;
469 case RSN_CIPHER_SUITE_WEP40:
470 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
471 break;
472 case RSN_CIPHER_SUITE_AES_128_CMAC:
473 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
474 break;
475 case RSN_CIPHER_SUITE_BIP_GMAC_128:
476 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
477 break;
478 case RSN_CIPHER_SUITE_BIP_GMAC_256:
479 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
480 break;
481 case RSN_CIPHER_SUITE_BIP_CMAC_256:
482 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
483 break;
484 case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED:
485 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
486 break;
487 }
488 }
489 }
490
491
wiphy_info_max_roc(struct wpa_driver_capa * capa,struct nlattr * tb)492 static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
493 struct nlattr *tb)
494 {
495 if (tb)
496 capa->max_remain_on_chan = nla_get_u32(tb);
497 }
498
499
wiphy_info_tdls(struct wpa_driver_capa * capa,struct nlattr * tdls,struct nlattr * ext_setup)500 static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
501 struct nlattr *ext_setup)
502 {
503 if (tdls == NULL)
504 return;
505
506 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
507 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
508
509 if (ext_setup) {
510 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
511 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
512 }
513 }
514
515
ext_feature_isset(const u8 * ext_features,int ext_features_len,enum nl80211_ext_feature_index ftidx)516 static int ext_feature_isset(const u8 *ext_features, int ext_features_len,
517 enum nl80211_ext_feature_index ftidx)
518 {
519 u8 ft_byte;
520
521 if ((int) ftidx / 8 >= ext_features_len)
522 return 0;
523
524 ft_byte = ext_features[ftidx / 8];
525 return (ft_byte & BIT(ftidx % 8)) != 0;
526 }
527
528
wiphy_info_ext_feature_flags(struct wiphy_info_data * info,struct nlattr * tb)529 static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
530 struct nlattr *tb)
531 {
532 struct wpa_driver_capa *capa = info->capa;
533 u8 *ext_features;
534 int len;
535
536 if (tb == NULL)
537 return;
538
539 ext_features = nla_data(tb);
540 len = nla_len(tb);
541
542 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS))
543 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
544
545 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
546 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
547
548 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA))
549 capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS;
550
551 if (ext_feature_isset(ext_features, len,
552 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
553 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY;
554
555 if (ext_feature_isset(ext_features, len,
556 NL80211_EXT_FEATURE_BEACON_RATE_HT))
557 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT;
558
559 if (ext_feature_isset(ext_features, len,
560 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
561 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT;
562
563 if (ext_feature_isset(ext_features, len,
564 NL80211_EXT_FEATURE_BEACON_RATE_HE))
565 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_RATE_HE;
566
567 if (ext_feature_isset(ext_features, len,
568 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
569 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL;
570
571 if (ext_feature_isset(ext_features, len,
572 NL80211_EXT_FEATURE_SCAN_START_TIME) &&
573 ext_feature_isset(ext_features, len,
574 NL80211_EXT_FEATURE_BSS_PARENT_TSF) &&
575 ext_feature_isset(ext_features, len,
576 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
577 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT;
578 if (ext_feature_isset(ext_features, len,
579 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
580 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA;
581 if (ext_feature_isset(ext_features, len,
582 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
583 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED;
584 if (ext_feature_isset(ext_features, len,
585 NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI))
586 capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI;
587 if (ext_feature_isset(ext_features, len,
588 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD))
589 capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD;
590
591 if (ext_feature_isset(ext_features, len,
592 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
593 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK;
594 if (ext_feature_isset(ext_features, len,
595 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
596 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X;
597
598 if (ext_feature_isset(ext_features, len,
599 NL80211_EXT_FEATURE_MFP_OPTIONAL))
600 capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL;
601
602 if (ext_feature_isset(ext_features, len,
603 NL80211_EXT_FEATURE_DFS_OFFLOAD))
604 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
605
606 #ifdef CONFIG_MBO
607 if (ext_feature_isset(ext_features, len,
608 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) &&
609 ext_feature_isset(ext_features, len,
610 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) &&
611 ext_feature_isset(ext_features, len,
612 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) &&
613 ext_feature_isset(
614 ext_features, len,
615 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION))
616 capa->flags |= WPA_DRIVER_FLAGS_OCE_STA;
617 #endif /* CONFIG_MBO */
618
619 if (ext_feature_isset(ext_features, len,
620 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
621 capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER;
622
623 if (ext_feature_isset(ext_features, len,
624 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
625 capa->flags |= WPA_DRIVER_FLAGS_CONTROL_PORT;
626 if (ext_feature_isset(ext_features, len,
627 NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH))
628 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_RX;
629 if (ext_feature_isset(
630 ext_features, len,
631 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS))
632 capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS;
633
634 if (ext_feature_isset(ext_features, len,
635 NL80211_EXT_FEATURE_VLAN_OFFLOAD))
636 capa->flags |= WPA_DRIVER_FLAGS_VLAN_OFFLOAD;
637
638 if (ext_feature_isset(ext_features, len,
639 NL80211_EXT_FEATURE_CAN_REPLACE_PTK0))
640 capa->flags |= WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS;
641
642 if (ext_feature_isset(ext_features, len,
643 NL80211_EXT_FEATURE_BEACON_PROTECTION))
644 capa->flags |= WPA_DRIVER_FLAGS_BEACON_PROTECTION;
645
646 if (ext_feature_isset(ext_features, len,
647 NL80211_EXT_FEATURE_EXT_KEY_ID))
648 capa->flags |= WPA_DRIVER_FLAGS_EXTENDED_KEY_ID;
649
650 if (ext_feature_isset(ext_features, len,
651 NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS))
652 info->drv->multicast_registrations = 1;
653
654 if (ext_feature_isset(ext_features, len,
655 NL80211_EXT_FEATURE_FILS_DISCOVERY))
656 info->drv->fils_discovery = 1;
657
658 if (ext_feature_isset(ext_features, len,
659 NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
660 info->drv->unsol_bcast_probe_resp = 1;
661
662 if (ext_feature_isset(ext_features, len,
663 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
664 capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT;
665
666 if (ext_feature_isset(ext_features, len,
667 NL80211_EXT_FEATURE_OPERATING_CHANNEL_VALIDATION))
668 capa->flags2 |= WPA_DRIVER_FLAGS2_OCV;
669 }
670
671
wiphy_info_feature_flags(struct wiphy_info_data * info,struct nlattr * tb)672 static void wiphy_info_feature_flags(struct wiphy_info_data *info,
673 struct nlattr *tb)
674 {
675 u32 flags;
676 struct wpa_driver_capa *capa = info->capa;
677
678 if (tb == NULL)
679 return;
680
681 flags = nla_get_u32(tb);
682
683 if (flags & NL80211_FEATURE_SK_TX_STATUS)
684 info->data_tx_status = 1;
685
686 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
687 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
688
689 if (flags & NL80211_FEATURE_SAE)
690 capa->flags |= WPA_DRIVER_FLAGS_SAE;
691
692 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
693 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
694
695 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
696 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
697
698 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
699 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
700 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
701 }
702
703 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
704 info->p2p_go_ctwindow_supported = 1;
705
706 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
707 info->have_low_prio_scan = 1;
708
709 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
710 info->mac_addr_rand_scan_supported = 1;
711
712 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
713 info->mac_addr_rand_sched_scan_supported = 1;
714
715 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
716 info->wmm_ac_supported = 1;
717
718 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
719 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
720
721 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
722 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
723
724 if (flags & NL80211_FEATURE_QUIET)
725 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
726
727 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
728 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
729
730 if (flags & NL80211_FEATURE_HT_IBSS)
731 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
732
733 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
734 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
735 }
736
737
wiphy_info_probe_resp_offload(struct wpa_driver_capa * capa,struct nlattr * tb)738 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
739 struct nlattr *tb)
740 {
741 u32 protocols;
742
743 if (tb == NULL)
744 return;
745
746 protocols = nla_get_u32(tb);
747 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
748 "mode");
749 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
750 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
751 }
752
753
wiphy_info_wowlan_triggers(struct wpa_driver_capa * capa,struct nlattr * tb)754 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
755 struct nlattr *tb)
756 {
757 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
758
759 if (tb == NULL)
760 return;
761
762 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
763 tb, NULL))
764 return;
765
766 if (triggers[NL80211_WOWLAN_TRIG_ANY])
767 capa->wowlan_triggers.any = 1;
768 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
769 capa->wowlan_triggers.disconnect = 1;
770 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
771 capa->wowlan_triggers.magic_pkt = 1;
772 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
773 capa->wowlan_triggers.gtk_rekey_failure = 1;
774 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
775 capa->wowlan_triggers.eap_identity_req = 1;
776 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
777 capa->wowlan_triggers.four_way_handshake = 1;
778 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
779 capa->wowlan_triggers.rfkill_release = 1;
780 }
781
782
wiphy_info_extended_capab(struct wpa_driver_nl80211_data * drv,struct nlattr * tb)783 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
784 struct nlattr *tb)
785 {
786 int rem = 0, i;
787 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
788
789 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
790 return;
791
792 nla_for_each_nested(attr, tb, rem) {
793 unsigned int len;
794 struct drv_nl80211_ext_capa *capa;
795
796 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
797 nla_len(attr), NULL);
798
799 if (!tb1[NL80211_ATTR_IFTYPE] ||
800 !tb1[NL80211_ATTR_EXT_CAPA] ||
801 !tb1[NL80211_ATTR_EXT_CAPA_MASK])
802 continue;
803
804 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
805 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
806 wpa_printf(MSG_DEBUG,
807 "nl80211: Driver-advertised extended capabilities for interface type %s",
808 nl80211_iftype_str(capa->iftype));
809
810 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
811 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
812 len);
813 if (!capa->ext_capa)
814 goto err;
815
816 capa->ext_capa_len = len;
817 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
818 capa->ext_capa, capa->ext_capa_len);
819
820 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
821 capa->ext_capa_mask =
822 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]),
823 len);
824 if (!capa->ext_capa_mask)
825 goto err;
826
827 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
828 capa->ext_capa_mask, capa->ext_capa_len);
829
830 drv->num_iface_ext_capa++;
831 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
832 break;
833 }
834
835 return;
836
837 err:
838 /* Cleanup allocated memory on error */
839 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
840 os_free(drv->iface_ext_capa[i].ext_capa);
841 drv->iface_ext_capa[i].ext_capa = NULL;
842 os_free(drv->iface_ext_capa[i].ext_capa_mask);
843 drv->iface_ext_capa[i].ext_capa_mask = NULL;
844 drv->iface_ext_capa[i].ext_capa_len = 0;
845 }
846 drv->num_iface_ext_capa = 0;
847 }
848
849
wiphy_info_handler(struct nl_msg * msg,void * arg)850 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
851 {
852 struct nlattr *tb[NL80211_ATTR_MAX + 1];
853 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
854 struct wiphy_info_data *info = arg;
855 struct wpa_driver_capa *capa = info->capa;
856 struct wpa_driver_nl80211_data *drv = info->drv;
857
858 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
859 genlmsg_attrlen(gnlh, 0), NULL);
860
861 if (tb[NL80211_ATTR_WIPHY])
862 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
863
864 if (tb[NL80211_ATTR_WIPHY_NAME])
865 os_strlcpy(drv->phyname,
866 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
867 sizeof(drv->phyname));
868 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
869 capa->max_scan_ssids =
870 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
871
872 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
873 capa->max_sched_scan_ssids =
874 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
875
876 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
877 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
878 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
879 capa->max_sched_scan_plans =
880 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
881
882 capa->max_sched_scan_plan_interval =
883 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
884
885 capa->max_sched_scan_plan_iterations =
886 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
887 }
888
889 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
890 capa->max_match_sets =
891 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
892
893 if (tb[NL80211_ATTR_MAC_ACL_MAX])
894 capa->max_acl_mac_addrs =
895 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
896
897 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
898 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
899 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
900 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
901 wiphy_info_akm_suites(info, tb[NL80211_ATTR_AKM_SUITES]);
902 wiphy_info_iftype_akm_suites(info, tb[NL80211_ATTR_IFTYPE_AKM_SUITES]);
903
904 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
905 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
906 "off-channel TX");
907 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
908 }
909
910 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
911 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
912 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
913 }
914
915 wiphy_info_max_roc(capa,
916 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
917
918 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
919 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
920
921 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
922 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
923
924 if (tb[NL80211_ATTR_DEVICE_AP_SME])
925 info->device_ap_sme = 1;
926
927 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
928 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
929 wiphy_info_probe_resp_offload(capa,
930 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
931
932 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
933 drv->extended_capa == NULL) {
934 drv->extended_capa =
935 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
936 if (drv->extended_capa) {
937 os_memcpy(drv->extended_capa,
938 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
939 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
940 drv->extended_capa_len =
941 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
942 wpa_hexdump(MSG_DEBUG,
943 "nl80211: Driver-advertised extended capabilities (default)",
944 drv->extended_capa, drv->extended_capa_len);
945 }
946 drv->extended_capa_mask =
947 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
948 if (drv->extended_capa_mask) {
949 os_memcpy(drv->extended_capa_mask,
950 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
951 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
952 wpa_hexdump(MSG_DEBUG,
953 "nl80211: Driver-advertised extended capabilities mask (default)",
954 drv->extended_capa_mask,
955 drv->extended_capa_len);
956 } else {
957 os_free(drv->extended_capa);
958 drv->extended_capa = NULL;
959 drv->extended_capa_len = 0;
960 }
961 }
962
963 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
964
965 if (tb[NL80211_ATTR_VENDOR_DATA]) {
966 struct nlattr *nl;
967 int rem;
968
969 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
970 struct nl80211_vendor_cmd_info *vinfo;
971 if (nla_len(nl) != sizeof(*vinfo)) {
972 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
973 continue;
974 }
975 vinfo = nla_data(nl);
976 if (vinfo->vendor_id == OUI_QCA) {
977 switch (vinfo->subcmd) {
978 case QCA_NL80211_VENDOR_SUBCMD_TEST:
979 drv->vendor_cmd_test_avail = 1;
980 break;
981 #ifdef CONFIG_DRIVER_NL80211_QCA
982 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
983 drv->roaming_vendor_cmd_avail = 1;
984 break;
985 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
986 drv->dfs_vendor_cmd_avail = 1;
987 break;
988 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
989 drv->get_features_vendor_cmd_avail = 1;
990 break;
991 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
992 drv->get_pref_freq_list = 1;
993 break;
994 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
995 drv->set_prob_oper_freq = 1;
996 break;
997 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
998 drv->capa.flags |=
999 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1000 break;
1001 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
1002 drv->setband_vendor_cmd_avail = 1;
1003 break;
1004 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
1005 drv->scan_vendor_cmd_avail = 1;
1006 break;
1007 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
1008 drv->set_wifi_conf_vendor_cmd_avail = 1;
1009 break;
1010 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS:
1011 drv->fetch_bss_trans_status = 1;
1012 break;
1013 case QCA_NL80211_VENDOR_SUBCMD_ROAM:
1014 drv->roam_vendor_cmd_avail = 1;
1015 break;
1016 case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE:
1017 drv->add_sta_node_vendor_cmd_avail = 1;
1018 break;
1019 case QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO:
1020 drv->get_sta_info_vendor_cmd_avail = 1;
1021 break;
1022 #endif /* CONFIG_DRIVER_NL80211_QCA */
1023 }
1024 }
1025 #ifdef CONFIG_DRIVER_NL80211_BRCM
1026 if (vinfo->vendor_id == OUI_BRCM) {
1027 wpa_printf(MSG_MSGDUMP, "vendor:%x cmd:0x%x\n",
1028 vinfo->vendor_id, vinfo->subcmd);
1029 switch (vinfo->subcmd) {
1030 case BRCM_VENDOR_SCMD_ACS:
1031 drv->capa.flags |= WPA_DRIVER_FLAGS_ACS_OFFLOAD;
1032 drv->capa.flags |=
1033 WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1034 break;
1035 case BRCM_VENDOR_SUBCMD_SET_PMK:
1036 drv->vendor_set_pmk = 1;
1037 break;
1038 default:
1039 break;
1040 }
1041 }
1042 #endif /* CONFIG_DRIVER_NL80211_BRCM */
1043 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
1044 vinfo->vendor_id, vinfo->subcmd);
1045 }
1046 }
1047
1048 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
1049 struct nlattr *nl;
1050 int rem;
1051
1052 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
1053 struct nl80211_vendor_cmd_info *vinfo;
1054 if (nla_len(nl) != sizeof(*vinfo)) {
1055 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
1056 continue;
1057 }
1058 vinfo = nla_data(nl);
1059 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
1060 vinfo->vendor_id, vinfo->subcmd);
1061 }
1062 }
1063
1064 wiphy_info_wowlan_triggers(capa,
1065 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
1066
1067 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
1068 capa->max_stations =
1069 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
1070
1071 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
1072 capa->max_csa_counters =
1073 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
1074
1075 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG])
1076 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY;
1077
1078 return NL_SKIP;
1079 }
1080
1081
wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data * drv,struct wiphy_info_data * info)1082 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
1083 struct wiphy_info_data *info)
1084 {
1085 u32 feat;
1086 struct nl_msg *msg;
1087 int flags = 0;
1088
1089 os_memset(info, 0, sizeof(*info));
1090 info->capa = &drv->capa;
1091 info->drv = drv;
1092
1093 feat = get_nl80211_protocol_features(drv);
1094 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1095 flags = NLM_F_DUMP;
1096 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
1097 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1098 nlmsg_free(msg);
1099 return -1;
1100 }
1101
1102 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info, NULL, NULL))
1103 return -1;
1104
1105 if (info->auth_supported)
1106 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
1107 else if (!info->connect_supported) {
1108 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
1109 "authentication/association or connect commands");
1110 info->error = 1;
1111 }
1112
1113 if (info->p2p_go_supported && info->p2p_client_supported)
1114 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
1115 if (info->p2p_concurrent) {
1116 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
1117 "interface (driver advertised support)");
1118 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
1119 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
1120 }
1121 if (info->num_multichan_concurrent > 1) {
1122 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
1123 "concurrent (driver advertised support)");
1124 drv->capa.num_multichan_concurrent =
1125 info->num_multichan_concurrent;
1126 }
1127 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
1128 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
1129
1130 /* default to 5000 since early versions of mac80211 don't set it */
1131 if (!drv->capa.max_remain_on_chan)
1132 drv->capa.max_remain_on_chan = 5000;
1133
1134 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
1135
1136 drv->capa.mac_addr_rand_sched_scan_supported =
1137 info->mac_addr_rand_sched_scan_supported;
1138 drv->capa.mac_addr_rand_scan_supported =
1139 info->mac_addr_rand_scan_supported;
1140
1141 if (info->channel_switch_supported) {
1142 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
1143 if (!drv->capa.max_csa_counters)
1144 drv->capa.max_csa_counters = 1;
1145 }
1146
1147 if (!drv->capa.max_sched_scan_plans) {
1148 drv->capa.max_sched_scan_plans = 1;
1149 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
1150 drv->capa.max_sched_scan_plan_iterations = 0;
1151 }
1152
1153 if (info->update_ft_ies_supported)
1154 drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES;
1155
1156 return 0;
1157 }
1158
1159
1160 #ifdef CONFIG_DRIVER_NL80211_QCA
1161
dfs_info_handler(struct nl_msg * msg,void * arg)1162 static int dfs_info_handler(struct nl_msg *msg, void *arg)
1163 {
1164 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1165 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1166 int *dfs_capability_ptr = arg;
1167
1168 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1169 genlmsg_attrlen(gnlh, 0), NULL);
1170
1171 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1172 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1173 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1174
1175 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1176 nla_data(nl_vend), nla_len(nl_vend), NULL);
1177
1178 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
1179 u32 val;
1180 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
1181 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
1182 val);
1183 *dfs_capability_ptr = val;
1184 }
1185 }
1186
1187 return NL_SKIP;
1188 }
1189
1190
qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data * drv)1191 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
1192 {
1193 struct nl_msg *msg;
1194 int dfs_capability = 0;
1195 int ret;
1196
1197 if (!drv->dfs_vendor_cmd_avail)
1198 return;
1199
1200 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1201 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1202 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1203 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
1204 nlmsg_free(msg);
1205 return;
1206 }
1207
1208 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability,
1209 NULL, NULL);
1210 if (!ret && dfs_capability)
1211 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
1212 }
1213
1214
1215 struct features_info {
1216 u8 *flags;
1217 size_t flags_len;
1218 struct wpa_driver_capa *capa;
1219 };
1220
1221
features_info_handler(struct nl_msg * msg,void * arg)1222 static int features_info_handler(struct nl_msg *msg, void *arg)
1223 {
1224 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1225 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1226 struct features_info *info = arg;
1227 struct nlattr *nl_vend, *attr;
1228
1229 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1230 genlmsg_attrlen(gnlh, 0), NULL);
1231
1232 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1233 if (nl_vend) {
1234 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1235
1236 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1237 nla_data(nl_vend), nla_len(nl_vend), NULL);
1238
1239 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
1240 if (attr) {
1241 int len = nla_len(attr);
1242 info->flags = os_malloc(len);
1243 if (info->flags != NULL) {
1244 os_memcpy(info->flags, nla_data(attr), len);
1245 info->flags_len = len;
1246 }
1247 }
1248 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
1249 if (attr)
1250 info->capa->conc_capab = nla_get_u32(attr);
1251
1252 attr = tb_vendor[
1253 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
1254 if (attr)
1255 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
1256
1257 attr = tb_vendor[
1258 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
1259 if (attr)
1260 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
1261 }
1262
1263 return NL_SKIP;
1264 }
1265
1266
check_feature(enum qca_wlan_vendor_features feature,struct features_info * info)1267 static int check_feature(enum qca_wlan_vendor_features feature,
1268 struct features_info *info)
1269 {
1270 size_t idx = feature / 8;
1271
1272 return (idx < info->flags_len) &&
1273 (info->flags[idx] & BIT(feature % 8));
1274 }
1275
1276
qca_nl80211_get_features(struct wpa_driver_nl80211_data * drv)1277 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
1278 {
1279 struct nl_msg *msg;
1280 struct features_info info;
1281 int ret;
1282
1283 if (!drv->get_features_vendor_cmd_avail)
1284 return;
1285
1286 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1287 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1288 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1289 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
1290 nlmsg_free(msg);
1291 return;
1292 }
1293
1294 os_memset(&info, 0, sizeof(info));
1295 info.capa = &drv->capa;
1296 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info,
1297 NULL, NULL);
1298 if (ret || !info.flags)
1299 return;
1300
1301 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
1302 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
1303
1304 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
1305 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1306
1307 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
1308 &info))
1309 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1310 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
1311 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
1312 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info))
1313 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA;
1314 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info))
1315 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP;
1316 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info))
1317 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON;
1318 os_free(info.flags);
1319 }
1320
1321 #endif /* CONFIG_DRIVER_NL80211_QCA */
1322
1323
wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data * drv)1324 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
1325 {
1326 struct wiphy_info_data info;
1327 int i;
1328
1329 if (wpa_driver_nl80211_get_info(drv, &info))
1330 return -1;
1331
1332 if (info.error)
1333 return -1;
1334
1335 drv->has_capability = 1;
1336 drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype;
1337
1338 /* Fallback to hardcoded defaults if the driver does nott advertize any
1339 * AKM capabilities. */
1340 if (!drv->has_driver_key_mgmt) {
1341 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1342 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1343 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1344 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1345 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1346 WPA_DRIVER_CAPA_KEY_MGMT_OWE |
1347 WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1348
1349 if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
1350 WPA_DRIVER_CAPA_ENC_GCMP_256))
1351 drv->capa.key_mgmt |=
1352 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1353
1354 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
1355 drv->capa.key_mgmt |=
1356 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1357 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
1358 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
1359 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
1360 WPA_DRIVER_CAPA_KEY_MGMT_SAE;
1361 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
1362 drv->capa.key_mgmt |=
1363 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1364 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
1365 }
1366
1367 if (!info.has_key_mgmt_iftype) {
1368 /* If the driver does not advertize per interface AKM
1369 * capabilities, consider all interfaces to support default AKMs
1370 * in key_mgmt. */
1371 for (i = 0; i < WPA_IF_MAX; i++)
1372 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
1373 } else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) {
1374 /* If the driver advertizes only per interface supported AKMs
1375 * but does not advertize per wiphy AKM capabilities, consider
1376 * the default key_mgmt as a mask of per interface supported
1377 * AKMs. */
1378 drv->capa.key_mgmt = 0;
1379 for (i = 0; i < WPA_IF_MAX; i++)
1380 drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i];
1381 } else if (info.has_key_mgmt_iftype && info.has_key_mgmt) {
1382 /* If the driver advertizes AKM capabilities both per wiphy and
1383 * per interface, consider the interfaces for which per
1384 * interface AKM capabilities were not received to support the
1385 * default key_mgmt capabilities.
1386 */
1387 for (i = 0; i < WPA_IF_MAX; i++)
1388 if (!drv->capa.key_mgmt_iftype[i])
1389 drv->capa.key_mgmt_iftype[i] =
1390 drv->capa.key_mgmt;
1391 }
1392
1393 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1394 WPA_DRIVER_AUTH_SHARED |
1395 WPA_DRIVER_AUTH_LEAP;
1396
1397 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
1398 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1399 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1400
1401 /*
1402 * As all cfg80211 drivers must support cases where the AP interface is
1403 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1404 * case that the user space daemon has crashed, they must be able to
1405 * cleanup all stations and key entries in the AP tear down flow. Thus,
1406 * this flag can/should always be set for cfg80211 drivers.
1407 */
1408 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1409
1410 if (!info.device_ap_sme) {
1411 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1412 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_AP_SME;
1413
1414 /*
1415 * No AP SME is currently assumed to also indicate no AP MLME
1416 * in the driver/firmware.
1417 */
1418 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1419 }
1420
1421 drv->device_ap_sme = info.device_ap_sme;
1422 drv->poll_command_supported = info.poll_command_supported;
1423 drv->data_tx_status = info.data_tx_status;
1424 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1425 if (info.set_qos_map_supported)
1426 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1427 drv->have_low_prio_scan = info.have_low_prio_scan;
1428
1429 /*
1430 * If poll command and tx status are supported, mac80211 is new enough
1431 * to have everything we need to not need monitor interfaces.
1432 */
1433 drv->use_monitor = !info.device_ap_sme &&
1434 (!info.poll_command_supported || !info.data_tx_status);
1435
1436 /*
1437 * If we aren't going to use monitor interfaces, but the
1438 * driver doesn't support data TX status, we won't get TX
1439 * status for EAPOL frames.
1440 */
1441 if (!drv->use_monitor && !info.data_tx_status)
1442 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1443
1444 #ifdef CONFIG_DRIVER_NL80211_QCA
1445 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD))
1446 qca_nl80211_check_dfs_capa(drv);
1447 qca_nl80211_get_features(drv);
1448
1449 /*
1450 * To enable offchannel simultaneous support in wpa_supplicant, the
1451 * underlying driver needs to support the same along with offchannel TX.
1452 * Offchannel TX support is needed since remain_on_channel and
1453 * action_tx use some common data structures and hence cannot be
1454 * scheduled simultaneously.
1455 */
1456 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1457 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1458 #endif /* CONFIG_DRIVER_NL80211_QCA */
1459
1460 wpa_printf(MSG_DEBUG,
1461 "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",
1462 drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth,
1463 (unsigned long long) drv->capa.flags, drv->capa.rrm_flags,
1464 drv->capa.probe_resp_offloads, drv->capa.max_stations,
1465 drv->capa.max_remain_on_chan, drv->capa.max_scan_ssids);
1466 return 0;
1467 }
1468
1469
1470 struct phy_info_arg {
1471 u16 *num_modes;
1472 struct hostapd_hw_modes *modes;
1473 int last_mode, last_chan_idx;
1474 int failed;
1475 u8 dfs_domain;
1476 };
1477
phy_info_ht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * ampdu_factor,struct nlattr * ampdu_density,struct nlattr * mcs_set)1478 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1479 struct nlattr *ampdu_factor,
1480 struct nlattr *ampdu_density,
1481 struct nlattr *mcs_set)
1482 {
1483 if (capa)
1484 mode->ht_capab = nla_get_u16(capa);
1485
1486 if (ampdu_factor)
1487 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1488
1489 if (ampdu_density)
1490 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1491
1492 if (mcs_set && nla_len(mcs_set) >= 16) {
1493 u8 *mcs;
1494 mcs = nla_data(mcs_set);
1495 os_memcpy(mode->mcs_set, mcs, 16);
1496 }
1497 }
1498
1499
phy_info_vht_capa(struct hostapd_hw_modes * mode,struct nlattr * capa,struct nlattr * mcs_set)1500 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1501 struct nlattr *capa,
1502 struct nlattr *mcs_set)
1503 {
1504 if (capa)
1505 mode->vht_capab = nla_get_u32(capa);
1506
1507 if (mcs_set && nla_len(mcs_set) >= 8) {
1508 u8 *mcs;
1509 mcs = nla_data(mcs_set);
1510 os_memcpy(mode->vht_mcs_set, mcs, 8);
1511 }
1512 }
1513
1514
phy_info_edmg_capa(struct hostapd_hw_modes * mode,struct nlattr * bw_config,struct nlattr * channels)1515 static int phy_info_edmg_capa(struct hostapd_hw_modes *mode,
1516 struct nlattr *bw_config,
1517 struct nlattr *channels)
1518 {
1519 if (!bw_config || !channels)
1520 return NL_OK;
1521
1522 mode->edmg.bw_config = nla_get_u8(bw_config);
1523 mode->edmg.channels = nla_get_u8(channels);
1524
1525 if (!mode->edmg.channels || !mode->edmg.bw_config)
1526 return NL_STOP;
1527
1528 return NL_OK;
1529 }
1530
1531
cw2ecw(unsigned int cw)1532 static int cw2ecw(unsigned int cw)
1533 {
1534 int bit;
1535
1536 if (cw == 0)
1537 return 0;
1538
1539 for (bit = 1; cw != 1; bit++)
1540 cw >>= 1;
1541
1542 return bit;
1543 }
1544
1545
phy_info_freq(struct hostapd_hw_modes * mode,struct hostapd_channel_data * chan,struct nlattr * tb_freq[])1546 static void phy_info_freq(struct hostapd_hw_modes *mode,
1547 struct hostapd_channel_data *chan,
1548 struct nlattr *tb_freq[])
1549 {
1550 u8 channel;
1551
1552 os_memset(chan, 0, sizeof(*chan));
1553 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1554 chan->flag = 0;
1555 chan->allowed_bw = ~0;
1556 chan->dfs_cac_ms = 0;
1557 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1558 chan->chan = channel;
1559 else
1560 wpa_printf(MSG_DEBUG,
1561 "nl80211: No channel number found for frequency %u MHz",
1562 chan->freq);
1563
1564 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1565 chan->flag |= HOSTAPD_CHAN_DISABLED;
1566 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1567 chan->flag |= HOSTAPD_CHAN_NO_IR;
1568 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1569 chan->flag |= HOSTAPD_CHAN_RADAR;
1570 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1571 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1572 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1573 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1574
1575 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
1576 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10;
1577 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
1578 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20;
1579 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
1580 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P;
1581 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
1582 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M;
1583 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
1584 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80;
1585 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
1586 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160;
1587
1588 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1589 enum nl80211_dfs_state state =
1590 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1591
1592 switch (state) {
1593 case NL80211_DFS_USABLE:
1594 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1595 break;
1596 case NL80211_DFS_AVAILABLE:
1597 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1598 break;
1599 case NL80211_DFS_UNAVAILABLE:
1600 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1601 break;
1602 }
1603 }
1604
1605 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1606 chan->dfs_cac_ms = nla_get_u32(
1607 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1608 }
1609
1610 chan->wmm_rules_valid = 0;
1611 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) {
1612 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = {
1613 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 },
1614 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 },
1615 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
1616 [NL80211_WMMR_TXOP] = { .type = NLA_U16 },
1617 };
1618 static const u8 wmm_map[4] = {
1619 [NL80211_AC_BE] = WMM_AC_BE,
1620 [NL80211_AC_BK] = WMM_AC_BK,
1621 [NL80211_AC_VI] = WMM_AC_VI,
1622 [NL80211_AC_VO] = WMM_AC_VO,
1623 };
1624 struct nlattr *nl_wmm;
1625 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
1626 int rem_wmm, ac, count = 0;
1627
1628 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM],
1629 rem_wmm) {
1630 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm,
1631 wmm_policy)) {
1632 wpa_printf(MSG_DEBUG,
1633 "nl80211: Failed to parse WMM rules attribute");
1634 return;
1635 }
1636 if (!tb_wmm[NL80211_WMMR_CW_MIN] ||
1637 !tb_wmm[NL80211_WMMR_CW_MAX] ||
1638 !tb_wmm[NL80211_WMMR_AIFSN] ||
1639 !tb_wmm[NL80211_WMMR_TXOP]) {
1640 wpa_printf(MSG_DEBUG,
1641 "nl80211: Channel is missing WMM rule attribute");
1642 return;
1643 }
1644 ac = nl_wmm->nla_type;
1645 if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) {
1646 wpa_printf(MSG_DEBUG,
1647 "nl80211: Invalid AC value %d", ac);
1648 return;
1649 }
1650
1651 ac = wmm_map[ac];
1652 chan->wmm_rules[ac].min_cwmin =
1653 cw2ecw(nla_get_u16(
1654 tb_wmm[NL80211_WMMR_CW_MIN]));
1655 chan->wmm_rules[ac].min_cwmax =
1656 cw2ecw(nla_get_u16(
1657 tb_wmm[NL80211_WMMR_CW_MAX]));
1658 chan->wmm_rules[ac].min_aifs =
1659 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]);
1660 chan->wmm_rules[ac].max_txop =
1661 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32;
1662 count++;
1663 }
1664
1665 /* Set valid flag if all the AC rules are present */
1666 if (count == WMM_AC_NUM)
1667 chan->wmm_rules_valid = 1;
1668 }
1669 }
1670
1671
phy_info_freqs(struct phy_info_arg * phy_info,struct hostapd_hw_modes * mode,struct nlattr * tb)1672 static int phy_info_freqs(struct phy_info_arg *phy_info,
1673 struct hostapd_hw_modes *mode, struct nlattr *tb)
1674 {
1675 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1676 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1677 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1678 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1679 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1680 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1681 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1682 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG },
1683 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG },
1684 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG },
1685 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG },
1686 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG },
1687 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG },
1688 };
1689 int new_channels = 0;
1690 struct hostapd_channel_data *channel;
1691 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1692 struct nlattr *nl_freq;
1693 int rem_freq, idx;
1694
1695 if (tb == NULL)
1696 return NL_OK;
1697
1698 nla_for_each_nested(nl_freq, tb, rem_freq) {
1699 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1700 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1701 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1702 continue;
1703 new_channels++;
1704 }
1705
1706 channel = os_realloc_array(mode->channels,
1707 mode->num_channels + new_channels,
1708 sizeof(struct hostapd_channel_data));
1709 if (!channel)
1710 return NL_STOP;
1711
1712 mode->channels = channel;
1713 mode->num_channels += new_channels;
1714
1715 idx = phy_info->last_chan_idx;
1716
1717 nla_for_each_nested(nl_freq, tb, rem_freq) {
1718 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1719 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1720 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1721 continue;
1722 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1723 idx++;
1724 }
1725 phy_info->last_chan_idx = idx;
1726
1727 return NL_OK;
1728 }
1729
1730
phy_info_rates(struct hostapd_hw_modes * mode,struct nlattr * tb)1731 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1732 {
1733 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1734 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1735 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1736 { .type = NLA_FLAG },
1737 };
1738 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1739 struct nlattr *nl_rate;
1740 int rem_rate, idx;
1741
1742 if (tb == NULL)
1743 return NL_OK;
1744
1745 nla_for_each_nested(nl_rate, tb, rem_rate) {
1746 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1747 nla_data(nl_rate), nla_len(nl_rate),
1748 rate_policy);
1749 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1750 continue;
1751 mode->num_rates++;
1752 }
1753
1754 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1755 if (!mode->rates)
1756 return NL_STOP;
1757
1758 idx = 0;
1759
1760 nla_for_each_nested(nl_rate, tb, rem_rate) {
1761 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1762 nla_data(nl_rate), nla_len(nl_rate),
1763 rate_policy);
1764 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1765 continue;
1766 mode->rates[idx] = nla_get_u32(
1767 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1768 idx++;
1769 }
1770
1771 return NL_OK;
1772 }
1773
1774
phy_info_iftype_copy(struct he_capabilities * he_capab,enum ieee80211_op_mode opmode,struct nlattr ** tb,struct nlattr ** tb_flags)1775 static void phy_info_iftype_copy(struct he_capabilities *he_capab,
1776 enum ieee80211_op_mode opmode,
1777 struct nlattr **tb, struct nlattr **tb_flags)
1778 {
1779 enum nl80211_iftype iftype;
1780 size_t len;
1781
1782 switch (opmode) {
1783 case IEEE80211_MODE_INFRA:
1784 iftype = NL80211_IFTYPE_STATION;
1785 break;
1786 case IEEE80211_MODE_IBSS:
1787 iftype = NL80211_IFTYPE_ADHOC;
1788 break;
1789 case IEEE80211_MODE_AP:
1790 iftype = NL80211_IFTYPE_AP;
1791 break;
1792 case IEEE80211_MODE_MESH:
1793 iftype = NL80211_IFTYPE_MESH_POINT;
1794 break;
1795 default:
1796 return;
1797 }
1798
1799 if (!nla_get_flag(tb_flags[iftype]))
1800 return;
1801
1802 he_capab->he_supported = 1;
1803
1804 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
1805 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
1806
1807 if (len > sizeof(he_capab->phy_cap))
1808 len = sizeof(he_capab->phy_cap);
1809 os_memcpy(he_capab->phy_cap,
1810 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
1811 len);
1812 }
1813
1814 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
1815 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
1816
1817 if (len > sizeof(he_capab->mac_cap))
1818 len = sizeof(he_capab->mac_cap);
1819 os_memcpy(he_capab->mac_cap,
1820 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
1821 len);
1822 }
1823
1824 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
1825 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
1826
1827 if (len > sizeof(he_capab->mcs))
1828 len = sizeof(he_capab->mcs);
1829 os_memcpy(he_capab->mcs,
1830 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
1831 len);
1832 }
1833
1834 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
1835 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
1836
1837 if (len > sizeof(he_capab->ppet))
1838 len = sizeof(he_capab->ppet);
1839 os_memcpy(&he_capab->ppet,
1840 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
1841 len);
1842 }
1843
1844 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]) {
1845 u16 capa;
1846
1847 capa = nla_get_u16(tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]);
1848 he_capab->he_6ghz_capa = le_to_host16(capa);
1849 }
1850 }
1851
1852
phy_info_iftype(struct hostapd_hw_modes * mode,struct nlattr * nl_iftype)1853 static int phy_info_iftype(struct hostapd_hw_modes *mode,
1854 struct nlattr *nl_iftype)
1855 {
1856 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
1857 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
1858 unsigned int i;
1859
1860 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
1861 nla_data(nl_iftype), nla_len(nl_iftype), NULL);
1862
1863 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
1864 return NL_STOP;
1865
1866 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
1867 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
1868 return NL_STOP;
1869
1870 for (i = 0; i < IEEE80211_MODE_NUM; i++)
1871 phy_info_iftype_copy(&mode->he_capab[i], i, tb, tb_flags);
1872
1873 return NL_OK;
1874 }
1875
1876
phy_info_band(struct phy_info_arg * phy_info,struct nlattr * nl_band)1877 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1878 {
1879 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1880 struct hostapd_hw_modes *mode;
1881 int ret;
1882
1883 if (phy_info->last_mode != nl_band->nla_type) {
1884 mode = os_realloc_array(phy_info->modes,
1885 *phy_info->num_modes + 1,
1886 sizeof(*mode));
1887 if (!mode) {
1888 phy_info->failed = 1;
1889 return NL_STOP;
1890 }
1891 phy_info->modes = mode;
1892
1893 mode = &phy_info->modes[*(phy_info->num_modes)];
1894 os_memset(mode, 0, sizeof(*mode));
1895 mode->mode = NUM_HOSTAPD_MODES;
1896 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1897 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1898
1899 /*
1900 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1901 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1902 * possible streams as unsupported. This will be overridden if
1903 * driver advertises VHT support.
1904 */
1905 mode->vht_mcs_set[0] = 0xff;
1906 mode->vht_mcs_set[1] = 0xff;
1907 mode->vht_mcs_set[4] = 0xff;
1908 mode->vht_mcs_set[5] = 0xff;
1909
1910 *(phy_info->num_modes) += 1;
1911 phy_info->last_mode = nl_band->nla_type;
1912 phy_info->last_chan_idx = 0;
1913 } else
1914 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1915
1916 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1917 nla_len(nl_band), NULL);
1918
1919 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1920 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1921 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1922 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1923 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1924 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1925 ret = phy_info_edmg_capa(mode,
1926 tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG],
1927 tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]);
1928 if (ret == NL_OK)
1929 ret = phy_info_freqs(phy_info, mode,
1930 tb_band[NL80211_BAND_ATTR_FREQS]);
1931 if (ret == NL_OK)
1932 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1933 if (ret != NL_OK) {
1934 phy_info->failed = 1;
1935 return ret;
1936 }
1937
1938 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
1939 struct nlattr *nl_iftype;
1940 int rem_band;
1941
1942 nla_for_each_nested(nl_iftype,
1943 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA],
1944 rem_band) {
1945 ret = phy_info_iftype(mode, nl_iftype);
1946 if (ret != NL_OK)
1947 return ret;
1948 }
1949 }
1950
1951 return NL_OK;
1952 }
1953
1954
phy_info_handler(struct nl_msg * msg,void * arg)1955 static int phy_info_handler(struct nl_msg *msg, void *arg)
1956 {
1957 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1958 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1959 struct phy_info_arg *phy_info = arg;
1960 struct nlattr *nl_band;
1961 int rem_band;
1962
1963 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1964 genlmsg_attrlen(gnlh, 0), NULL);
1965
1966 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1967 return NL_SKIP;
1968
1969 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1970 {
1971 int res = phy_info_band(phy_info, nl_band);
1972 if (res != NL_OK)
1973 return res;
1974 }
1975
1976 return NL_SKIP;
1977 }
1978
1979
1980 static struct hostapd_hw_modes *
wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes * modes,u16 * num_modes)1981 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1982 u16 *num_modes)
1983 {
1984 u16 m;
1985 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1986 int i, mode11g_idx = -1;
1987
1988 /* heuristic to set up modes */
1989 for (m = 0; m < *num_modes; m++) {
1990 if (!modes[m].num_channels)
1991 continue;
1992 if (modes[m].channels[0].freq < 2000) {
1993 modes[m].num_channels = 0;
1994 continue;
1995 } else if (modes[m].channels[0].freq < 4000) {
1996 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1997 for (i = 0; i < modes[m].num_rates; i++) {
1998 if (modes[m].rates[i] > 200) {
1999 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
2000 break;
2001 }
2002 }
2003 } else if (modes[m].channels[0].freq > 50000)
2004 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
2005 else
2006 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
2007 }
2008
2009 /* Remove unsupported bands */
2010 m = 0;
2011 while (m < *num_modes) {
2012 if (modes[m].mode == NUM_HOSTAPD_MODES) {
2013 wpa_printf(MSG_DEBUG,
2014 "nl80211: Remove unsupported mode");
2015 os_free(modes[m].channels);
2016 os_free(modes[m].rates);
2017 if (m + 1 < *num_modes)
2018 os_memmove(&modes[m], &modes[m + 1],
2019 sizeof(struct hostapd_hw_modes) *
2020 (*num_modes - (m + 1)));
2021 (*num_modes)--;
2022 continue;
2023 }
2024 m++;
2025 }
2026
2027 /* If only 802.11g mode is included, use it to construct matching
2028 * 802.11b mode data. */
2029
2030 for (m = 0; m < *num_modes; m++) {
2031 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
2032 return modes; /* 802.11b already included */
2033 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
2034 mode11g_idx = m;
2035 }
2036
2037 if (mode11g_idx < 0)
2038 return modes; /* 2.4 GHz band not supported at all */
2039
2040 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
2041 if (nmodes == NULL)
2042 return modes; /* Could not add 802.11b mode */
2043
2044 mode = &nmodes[*num_modes];
2045 os_memset(mode, 0, sizeof(*mode));
2046 (*num_modes)++;
2047 modes = nmodes;
2048
2049 mode->mode = HOSTAPD_MODE_IEEE80211B;
2050
2051 mode11g = &modes[mode11g_idx];
2052 mode->num_channels = mode11g->num_channels;
2053 mode->channels = os_memdup(mode11g->channels,
2054 mode11g->num_channels *
2055 sizeof(struct hostapd_channel_data));
2056 if (mode->channels == NULL) {
2057 (*num_modes)--;
2058 return modes; /* Could not add 802.11b mode */
2059 }
2060
2061 mode->num_rates = 0;
2062 mode->rates = os_malloc(4 * sizeof(int));
2063 if (mode->rates == NULL) {
2064 os_free(mode->channels);
2065 (*num_modes)--;
2066 return modes; /* Could not add 802.11b mode */
2067 }
2068
2069 for (i = 0; i < mode11g->num_rates; i++) {
2070 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
2071 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
2072 continue;
2073 mode->rates[mode->num_rates] = mode11g->rates[i];
2074 mode->num_rates++;
2075 if (mode->num_rates == 4)
2076 break;
2077 }
2078
2079 if (mode->num_rates == 0) {
2080 os_free(mode->channels);
2081 os_free(mode->rates);
2082 (*num_modes)--;
2083 return modes; /* No 802.11b rates */
2084 }
2085
2086 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
2087 "information");
2088
2089 return modes;
2090 }
2091
2092
nl80211_set_ht40_mode(struct hostapd_hw_modes * mode,int start,int end)2093 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
2094 int end)
2095 {
2096 int c;
2097
2098 for (c = 0; c < mode->num_channels; c++) {
2099 struct hostapd_channel_data *chan = &mode->channels[c];
2100 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
2101 chan->flag |= HOSTAPD_CHAN_HT40;
2102 }
2103 }
2104
2105
nl80211_set_ht40_mode_sec(struct hostapd_hw_modes * mode,int start,int end)2106 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
2107 int end)
2108 {
2109 int c;
2110
2111 for (c = 0; c < mode->num_channels; c++) {
2112 struct hostapd_channel_data *chan = &mode->channels[c];
2113 if (!(chan->flag & HOSTAPD_CHAN_HT40))
2114 continue;
2115 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
2116 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
2117 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
2118 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
2119 }
2120 }
2121
2122
nl80211_reg_rule_max_eirp(u32 start,u32 end,u32 max_eirp,struct phy_info_arg * results)2123 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
2124 struct phy_info_arg *results)
2125 {
2126 u16 m;
2127
2128 for (m = 0; m < *results->num_modes; m++) {
2129 int c;
2130 struct hostapd_hw_modes *mode = &results->modes[m];
2131
2132 for (c = 0; c < mode->num_channels; c++) {
2133 struct hostapd_channel_data *chan = &mode->channels[c];
2134 if ((u32) chan->freq - 10 >= start &&
2135 (u32) chan->freq + 10 <= end)
2136 chan->max_tx_power = max_eirp;
2137 }
2138 }
2139 }
2140
2141
nl80211_reg_rule_ht40(u32 start,u32 end,struct phy_info_arg * results)2142 static void nl80211_reg_rule_ht40(u32 start, u32 end,
2143 struct phy_info_arg *results)
2144 {
2145 u16 m;
2146
2147 for (m = 0; m < *results->num_modes; m++) {
2148 if (!(results->modes[m].ht_capab &
2149 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2150 continue;
2151 nl80211_set_ht40_mode(&results->modes[m], start, end);
2152 }
2153 }
2154
2155
nl80211_reg_rule_sec(struct nlattr * tb[],struct phy_info_arg * results)2156 static void nl80211_reg_rule_sec(struct nlattr *tb[],
2157 struct phy_info_arg *results)
2158 {
2159 u32 start, end, max_bw;
2160 u16 m;
2161
2162 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2163 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2164 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2165 return;
2166
2167 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2168 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2169 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2170
2171 if (max_bw < 20)
2172 return;
2173
2174 for (m = 0; m < *results->num_modes; m++) {
2175 if (!(results->modes[m].ht_capab &
2176 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2177 continue;
2178 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
2179 }
2180 }
2181
2182
nl80211_set_vht_mode(struct hostapd_hw_modes * mode,int start,int end,int max_bw)2183 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
2184 int end, int max_bw)
2185 {
2186 int c;
2187
2188 for (c = 0; c < mode->num_channels; c++) {
2189 struct hostapd_channel_data *chan = &mode->channels[c];
2190 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
2191 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
2192
2193 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
2194 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
2195
2196 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
2197 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
2198
2199 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
2200 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
2201
2202 if (max_bw >= 160) {
2203 if (chan->freq - 10 >= start && chan->freq + 150 <= end)
2204 chan->flag |= HOSTAPD_CHAN_VHT_10_150;
2205
2206 if (chan->freq - 30 >= start && chan->freq + 130 <= end)
2207 chan->flag |= HOSTAPD_CHAN_VHT_30_130;
2208
2209 if (chan->freq - 50 >= start && chan->freq + 110 <= end)
2210 chan->flag |= HOSTAPD_CHAN_VHT_50_110;
2211
2212 if (chan->freq - 70 >= start && chan->freq + 90 <= end)
2213 chan->flag |= HOSTAPD_CHAN_VHT_70_90;
2214
2215 if (chan->freq - 90 >= start && chan->freq + 70 <= end)
2216 chan->flag |= HOSTAPD_CHAN_VHT_90_70;
2217
2218 if (chan->freq - 110 >= start && chan->freq + 50 <= end)
2219 chan->flag |= HOSTAPD_CHAN_VHT_110_50;
2220
2221 if (chan->freq - 130 >= start && chan->freq + 30 <= end)
2222 chan->flag |= HOSTAPD_CHAN_VHT_130_30;
2223
2224 if (chan->freq - 150 >= start && chan->freq + 10 <= end)
2225 chan->flag |= HOSTAPD_CHAN_VHT_150_10;
2226 }
2227 }
2228 }
2229
2230
nl80211_reg_rule_vht(struct nlattr * tb[],struct phy_info_arg * results)2231 static void nl80211_reg_rule_vht(struct nlattr *tb[],
2232 struct phy_info_arg *results)
2233 {
2234 u32 start, end, max_bw;
2235 u16 m;
2236
2237 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2238 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2239 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2240 return;
2241
2242 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2243 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2244 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2245
2246 if (max_bw < 80)
2247 return;
2248
2249 for (m = 0; m < *results->num_modes; m++) {
2250 if (!(results->modes[m].ht_capab &
2251 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2252 continue;
2253 /* TODO: use a real VHT support indication */
2254 if (!results->modes[m].vht_capab)
2255 continue;
2256
2257 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
2258 }
2259 }
2260
2261
nl80211_set_dfs_domain(enum nl80211_dfs_regions region,u8 * dfs_domain)2262 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
2263 u8 *dfs_domain)
2264 {
2265 if (region == NL80211_DFS_FCC)
2266 *dfs_domain = HOSTAPD_DFS_REGION_FCC;
2267 else if (region == NL80211_DFS_ETSI)
2268 *dfs_domain = HOSTAPD_DFS_REGION_ETSI;
2269 else if (region == NL80211_DFS_JP)
2270 *dfs_domain = HOSTAPD_DFS_REGION_JP;
2271 else
2272 *dfs_domain = 0;
2273 }
2274
2275
dfs_domain_name(enum nl80211_dfs_regions region)2276 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
2277 {
2278 switch (region) {
2279 case NL80211_DFS_UNSET:
2280 return "DFS-UNSET";
2281 case NL80211_DFS_FCC:
2282 return "DFS-FCC";
2283 case NL80211_DFS_ETSI:
2284 return "DFS-ETSI";
2285 case NL80211_DFS_JP:
2286 return "DFS-JP";
2287 default:
2288 return "DFS-invalid";
2289 }
2290 }
2291
2292
nl80211_get_reg(struct nl_msg * msg,void * arg)2293 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
2294 {
2295 struct phy_info_arg *results = arg;
2296 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2297 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2298 struct nlattr *nl_rule;
2299 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
2300 int rem_rule;
2301 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2302 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
2303 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
2304 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
2305 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
2306 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
2307 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
2308 };
2309
2310 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2311 genlmsg_attrlen(gnlh, 0), NULL);
2312 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
2313 !tb_msg[NL80211_ATTR_REG_RULES]) {
2314 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
2315 "available");
2316 return NL_SKIP;
2317 }
2318
2319 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
2320 enum nl80211_dfs_regions dfs_domain;
2321 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
2322 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
2323 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
2324 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
2325 dfs_domain_name(dfs_domain));
2326 } else {
2327 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
2328 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
2329 }
2330
2331 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2332 {
2333 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
2334 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2335 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2336 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2337 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
2338 continue;
2339 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2340 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2341 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2342 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
2343 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2344 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2345 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
2346 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
2347
2348 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
2349 start, end, max_bw, max_eirp,
2350 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
2351 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
2352 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
2353 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
2354 "",
2355 flags & NL80211_RRF_DFS ? " (DFS)" : "",
2356 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
2357 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
2358 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
2359 if (max_bw >= 40)
2360 nl80211_reg_rule_ht40(start, end, results);
2361 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2362 nl80211_reg_rule_max_eirp(start, end, max_eirp,
2363 results);
2364 }
2365
2366 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2367 {
2368 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2369 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2370 nl80211_reg_rule_sec(tb_rule, results);
2371 }
2372
2373 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2374 {
2375 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2376 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2377 nl80211_reg_rule_vht(tb_rule, results);
2378 }
2379
2380 return NL_SKIP;
2381 }
2382
2383
nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data * drv,struct phy_info_arg * results)2384 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
2385 struct phy_info_arg *results)
2386 {
2387 struct nl_msg *msg;
2388
2389 msg = nlmsg_alloc();
2390 if (!msg)
2391 return -ENOMEM;
2392
2393 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
2394 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
2395 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
2396 nlmsg_free(msg);
2397 return -1;
2398 }
2399 }
2400
2401 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results,
2402 NULL, NULL);
2403 }
2404
2405
modestr(enum hostapd_hw_mode mode)2406 static const char * modestr(enum hostapd_hw_mode mode)
2407 {
2408 switch (mode) {
2409 case HOSTAPD_MODE_IEEE80211B:
2410 return "802.11b";
2411 case HOSTAPD_MODE_IEEE80211G:
2412 return "802.11g";
2413 case HOSTAPD_MODE_IEEE80211A:
2414 return "802.11a";
2415 case HOSTAPD_MODE_IEEE80211AD:
2416 return "802.11ad";
2417 default:
2418 return "?";
2419 }
2420 }
2421
2422
nl80211_dump_chan_list(struct hostapd_hw_modes * modes,u16 num_modes)2423 static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes,
2424 u16 num_modes)
2425 {
2426 int i;
2427
2428 if (!modes)
2429 return;
2430
2431 for (i = 0; i < num_modes; i++) {
2432 struct hostapd_hw_modes *mode = &modes[i];
2433 char str[200];
2434 char *pos = str;
2435 char *end = pos + sizeof(str);
2436 int j, res;
2437
2438 for (j = 0; j < mode->num_channels; j++) {
2439 struct hostapd_channel_data *chan = &mode->channels[j];
2440
2441 res = os_snprintf(pos, end - pos, " %d%s%s%s",
2442 chan->freq,
2443 (chan->flag & HOSTAPD_CHAN_DISABLED) ?
2444 "[DISABLED]" : "",
2445 (chan->flag & HOSTAPD_CHAN_NO_IR) ?
2446 "[NO_IR]" : "",
2447 (chan->flag & HOSTAPD_CHAN_RADAR) ?
2448 "[RADAR]" : "");
2449 if (os_snprintf_error(end - pos, res))
2450 break;
2451 pos += res;
2452 }
2453
2454 *pos = '\0';
2455 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
2456 modestr(mode->mode), str);
2457 }
2458 }
2459
2460
2461 struct hostapd_hw_modes *
nl80211_get_hw_feature_data(void * priv,u16 * num_modes,u16 * flags,u8 * dfs_domain)2462 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
2463 u8 *dfs_domain)
2464 {
2465 u32 feat;
2466 struct i802_bss *bss = priv;
2467 struct wpa_driver_nl80211_data *drv = bss->drv;
2468 int nl_flags = 0;
2469 struct nl_msg *msg;
2470 struct phy_info_arg result = {
2471 .num_modes = num_modes,
2472 .modes = NULL,
2473 .last_mode = -1,
2474 .failed = 0,
2475 .dfs_domain = 0,
2476 };
2477
2478 *num_modes = 0;
2479 *flags = 0;
2480 *dfs_domain = 0;
2481
2482 feat = get_nl80211_protocol_features(drv);
2483 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
2484 nl_flags = NLM_F_DUMP;
2485 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
2486 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
2487 nlmsg_free(msg);
2488 return NULL;
2489 }
2490
2491 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result,
2492 NULL, NULL) == 0) {
2493 struct hostapd_hw_modes *modes;
2494
2495 nl80211_set_regulatory_flags(drv, &result);
2496 if (result.failed) {
2497 int i;
2498
2499 for (i = 0; result.modes && i < *num_modes; i++) {
2500 os_free(result.modes[i].channels);
2501 os_free(result.modes[i].rates);
2502 }
2503 os_free(result.modes);
2504 *num_modes = 0;
2505 return NULL;
2506 }
2507
2508 *dfs_domain = result.dfs_domain;
2509
2510 modes = wpa_driver_nl80211_postprocess_modes(result.modes,
2511 num_modes);
2512 nl80211_dump_chan_list(modes, *num_modes);
2513 return modes;
2514 }
2515
2516 return NULL;
2517 }
2518