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nl80211/MBO: Set temporary disallowed BSSID list to driver
[thirdparty/hostap.git] / src / drivers / driver_nl80211_capa.c
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
21
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
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) == 0)
53 return feat;
54
55 return 0;
56 }
57
58
59 struct wiphy_info_data {
60 struct wpa_driver_nl80211_data *drv;
61 struct wpa_driver_capa *capa;
62
63 unsigned int num_multichan_concurrent;
64
65 unsigned int error:1;
66 unsigned int device_ap_sme:1;
67 unsigned int poll_command_supported:1;
68 unsigned int data_tx_status:1;
69 unsigned int auth_supported:1;
70 unsigned int connect_supported:1;
71 unsigned int p2p_go_supported:1;
72 unsigned int p2p_client_supported:1;
73 unsigned int p2p_go_ctwindow_supported:1;
74 unsigned int p2p_concurrent:1;
75 unsigned int channel_switch_supported:1;
76 unsigned int set_qos_map_supported:1;
77 unsigned int have_low_prio_scan:1;
78 unsigned int wmm_ac_supported:1;
79 unsigned int mac_addr_rand_scan_supported:1;
80 unsigned int mac_addr_rand_sched_scan_supported:1;
81 };
82
83
84 static unsigned int probe_resp_offload_support(int supp_protocols)
85 {
86 unsigned int prot = 0;
87
88 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
89 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
90 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
91 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
92 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
93 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
94 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
95 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
96
97 return prot;
98 }
99
100
101 static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
102 struct nlattr *tb)
103 {
104 struct nlattr *nl_mode;
105 int i;
106
107 if (tb == NULL)
108 return;
109
110 nla_for_each_nested(nl_mode, tb, i) {
111 switch (nla_type(nl_mode)) {
112 case NL80211_IFTYPE_AP:
113 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
114 break;
115 case NL80211_IFTYPE_MESH_POINT:
116 info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
117 break;
118 case NL80211_IFTYPE_ADHOC:
119 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
120 break;
121 case NL80211_IFTYPE_P2P_DEVICE:
122 info->capa->flags |=
123 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
124 break;
125 case NL80211_IFTYPE_P2P_GO:
126 info->p2p_go_supported = 1;
127 break;
128 case NL80211_IFTYPE_P2P_CLIENT:
129 info->p2p_client_supported = 1;
130 break;
131 }
132 }
133 }
134
135
136 static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
137 struct nlattr *nl_combi)
138 {
139 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
140 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
141 struct nlattr *nl_limit, *nl_mode;
142 int err, rem_limit, rem_mode;
143 int combination_has_p2p = 0, combination_has_mgd = 0;
144 static struct nla_policy
145 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
146 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
147 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
148 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
149 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
150 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
151 },
152 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
153 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
154 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
155 };
156
157 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
158 nl_combi, iface_combination_policy);
159 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
160 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
161 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
162 return 0; /* broken combination */
163
164 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
165 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
166
167 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
168 rem_limit) {
169 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
170 nl_limit, iface_limit_policy);
171 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
172 return 0; /* broken combination */
173
174 nla_for_each_nested(nl_mode,
175 tb_limit[NL80211_IFACE_LIMIT_TYPES],
176 rem_mode) {
177 int ift = nla_type(nl_mode);
178 if (ift == NL80211_IFTYPE_P2P_GO ||
179 ift == NL80211_IFTYPE_P2P_CLIENT)
180 combination_has_p2p = 1;
181 if (ift == NL80211_IFTYPE_STATION)
182 combination_has_mgd = 1;
183 }
184 if (combination_has_p2p && combination_has_mgd)
185 break;
186 }
187
188 if (combination_has_p2p && combination_has_mgd) {
189 unsigned int num_channels =
190 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
191
192 info->p2p_concurrent = 1;
193 if (info->num_multichan_concurrent < num_channels)
194 info->num_multichan_concurrent = num_channels;
195 }
196
197 return 0;
198 }
199
200
201 static void wiphy_info_iface_comb(struct wiphy_info_data *info,
202 struct nlattr *tb)
203 {
204 struct nlattr *nl_combi;
205 int rem_combi;
206
207 if (tb == NULL)
208 return;
209
210 nla_for_each_nested(nl_combi, tb, rem_combi) {
211 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
212 break;
213 }
214 }
215
216
217 static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
218 struct nlattr *tb)
219 {
220 struct nlattr *nl_cmd;
221 int i;
222
223 if (tb == NULL)
224 return;
225
226 nla_for_each_nested(nl_cmd, tb, i) {
227 switch (nla_get_u32(nl_cmd)) {
228 case NL80211_CMD_AUTHENTICATE:
229 info->auth_supported = 1;
230 break;
231 case NL80211_CMD_CONNECT:
232 info->connect_supported = 1;
233 break;
234 case NL80211_CMD_START_SCHED_SCAN:
235 info->capa->sched_scan_supported = 1;
236 break;
237 case NL80211_CMD_PROBE_CLIENT:
238 info->poll_command_supported = 1;
239 break;
240 case NL80211_CMD_CHANNEL_SWITCH:
241 info->channel_switch_supported = 1;
242 break;
243 case NL80211_CMD_SET_QOS_MAP:
244 info->set_qos_map_supported = 1;
245 break;
246 }
247 }
248 }
249
250
251 static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
252 struct nlattr *tb)
253 {
254 int i, num;
255 u32 *ciphers;
256
257 if (tb == NULL)
258 return;
259
260 num = nla_len(tb) / sizeof(u32);
261 ciphers = nla_data(tb);
262 for (i = 0; i < num; i++) {
263 u32 c = ciphers[i];
264
265 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
266 c >> 24, (c >> 16) & 0xff,
267 (c >> 8) & 0xff, c & 0xff);
268 switch (c) {
269 case RSN_CIPHER_SUITE_CCMP_256:
270 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
271 break;
272 case RSN_CIPHER_SUITE_GCMP_256:
273 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
274 break;
275 case RSN_CIPHER_SUITE_CCMP:
276 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
277 break;
278 case RSN_CIPHER_SUITE_GCMP:
279 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
280 break;
281 case RSN_CIPHER_SUITE_TKIP:
282 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
283 break;
284 case RSN_CIPHER_SUITE_WEP104:
285 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
286 break;
287 case RSN_CIPHER_SUITE_WEP40:
288 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
289 break;
290 case RSN_CIPHER_SUITE_AES_128_CMAC:
291 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
292 break;
293 case RSN_CIPHER_SUITE_BIP_GMAC_128:
294 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
295 break;
296 case RSN_CIPHER_SUITE_BIP_GMAC_256:
297 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
298 break;
299 case RSN_CIPHER_SUITE_BIP_CMAC_256:
300 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
301 break;
302 case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED:
303 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
304 break;
305 }
306 }
307 }
308
309
310 static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
311 struct nlattr *tb)
312 {
313 if (tb)
314 capa->max_remain_on_chan = nla_get_u32(tb);
315 }
316
317
318 static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
319 struct nlattr *ext_setup)
320 {
321 if (tdls == NULL)
322 return;
323
324 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
325 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
326
327 if (ext_setup) {
328 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
329 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
330 }
331 }
332
333
334 static int ext_feature_isset(const u8 *ext_features, int ext_features_len,
335 enum nl80211_ext_feature_index ftidx)
336 {
337 u8 ft_byte;
338
339 if ((int) ftidx / 8 >= ext_features_len)
340 return 0;
341
342 ft_byte = ext_features[ftidx / 8];
343 return (ft_byte & BIT(ftidx % 8)) != 0;
344 }
345
346
347 static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
348 struct nlattr *tb)
349 {
350 struct wpa_driver_capa *capa = info->capa;
351 u8 *ext_features;
352 int len;
353
354 if (tb == NULL)
355 return;
356
357 ext_features = nla_data(tb);
358 len = nla_len(tb);
359
360 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS))
361 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
362
363 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
364 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
365
366 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA))
367 capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS;
368
369 if (ext_feature_isset(ext_features, len,
370 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
371 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY;
372
373 if (ext_feature_isset(ext_features, len,
374 NL80211_EXT_FEATURE_BEACON_RATE_HT))
375 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT;
376
377 if (ext_feature_isset(ext_features, len,
378 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
379 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT;
380
381 if (ext_feature_isset(ext_features, len,
382 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
383 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL;
384
385 if (ext_feature_isset(ext_features, len,
386 NL80211_EXT_FEATURE_SCAN_START_TIME) &&
387 ext_feature_isset(ext_features, len,
388 NL80211_EXT_FEATURE_BSS_PARENT_TSF) &&
389 ext_feature_isset(ext_features, len,
390 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
391 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT;
392 if (ext_feature_isset(ext_features, len,
393 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
394 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA;
395 if (ext_feature_isset(ext_features, len,
396 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
397 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED;
398 if (ext_feature_isset(ext_features, len,
399 NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI))
400 capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI;
401 if (ext_feature_isset(ext_features, len,
402 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD))
403 capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD;
404 }
405
406
407 static void wiphy_info_feature_flags(struct wiphy_info_data *info,
408 struct nlattr *tb)
409 {
410 u32 flags;
411 struct wpa_driver_capa *capa = info->capa;
412
413 if (tb == NULL)
414 return;
415
416 flags = nla_get_u32(tb);
417
418 if (flags & NL80211_FEATURE_SK_TX_STATUS)
419 info->data_tx_status = 1;
420
421 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
422 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
423
424 if (flags & NL80211_FEATURE_SAE)
425 capa->flags |= WPA_DRIVER_FLAGS_SAE;
426
427 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
428 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
429
430 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
431 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
432
433 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
434 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
435 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
436 }
437
438 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
439 info->p2p_go_ctwindow_supported = 1;
440
441 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
442 info->have_low_prio_scan = 1;
443
444 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
445 info->mac_addr_rand_scan_supported = 1;
446
447 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
448 info->mac_addr_rand_sched_scan_supported = 1;
449
450 if (flags & NL80211_FEATURE_STATIC_SMPS)
451 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC;
452
453 if (flags & NL80211_FEATURE_DYNAMIC_SMPS)
454 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC;
455
456 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
457 info->wmm_ac_supported = 1;
458
459 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
460 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
461
462 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
463 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
464
465 if (flags & NL80211_FEATURE_QUIET)
466 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
467
468 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
469 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
470
471 if (flags & NL80211_FEATURE_HT_IBSS)
472 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
473
474 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
475 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
476 }
477
478
479 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
480 struct nlattr *tb)
481 {
482 u32 protocols;
483
484 if (tb == NULL)
485 return;
486
487 protocols = nla_get_u32(tb);
488 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
489 "mode");
490 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
491 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
492 }
493
494
495 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
496 struct nlattr *tb)
497 {
498 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
499
500 if (tb == NULL)
501 return;
502
503 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
504 tb, NULL))
505 return;
506
507 if (triggers[NL80211_WOWLAN_TRIG_ANY])
508 capa->wowlan_triggers.any = 1;
509 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
510 capa->wowlan_triggers.disconnect = 1;
511 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
512 capa->wowlan_triggers.magic_pkt = 1;
513 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
514 capa->wowlan_triggers.gtk_rekey_failure = 1;
515 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
516 capa->wowlan_triggers.eap_identity_req = 1;
517 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
518 capa->wowlan_triggers.four_way_handshake = 1;
519 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
520 capa->wowlan_triggers.rfkill_release = 1;
521 }
522
523
524 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
525 struct nlattr *tb)
526 {
527 int rem = 0, i;
528 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
529
530 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
531 return;
532
533 nla_for_each_nested(attr, tb, rem) {
534 unsigned int len;
535 struct drv_nl80211_ext_capa *capa;
536
537 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
538 nla_len(attr), NULL);
539
540 if (!tb1[NL80211_ATTR_IFTYPE] ||
541 !tb1[NL80211_ATTR_EXT_CAPA] ||
542 !tb1[NL80211_ATTR_EXT_CAPA_MASK])
543 continue;
544
545 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
546 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
547 wpa_printf(MSG_DEBUG,
548 "nl80211: Driver-advertised extended capabilities for interface type %s",
549 nl80211_iftype_str(capa->iftype));
550
551 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
552 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
553 len);
554 if (!capa->ext_capa)
555 goto err;
556
557 capa->ext_capa_len = len;
558 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
559 capa->ext_capa, capa->ext_capa_len);
560
561 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
562 capa->ext_capa_mask =
563 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]),
564 len);
565 if (!capa->ext_capa_mask)
566 goto err;
567
568 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
569 capa->ext_capa_mask, capa->ext_capa_len);
570
571 drv->num_iface_ext_capa++;
572 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
573 break;
574 }
575
576 return;
577
578 err:
579 /* Cleanup allocated memory on error */
580 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
581 os_free(drv->iface_ext_capa[i].ext_capa);
582 drv->iface_ext_capa[i].ext_capa = NULL;
583 os_free(drv->iface_ext_capa[i].ext_capa_mask);
584 drv->iface_ext_capa[i].ext_capa_mask = NULL;
585 drv->iface_ext_capa[i].ext_capa_len = 0;
586 }
587 drv->num_iface_ext_capa = 0;
588 }
589
590
591 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
592 {
593 struct nlattr *tb[NL80211_ATTR_MAX + 1];
594 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
595 struct wiphy_info_data *info = arg;
596 struct wpa_driver_capa *capa = info->capa;
597 struct wpa_driver_nl80211_data *drv = info->drv;
598
599 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
600 genlmsg_attrlen(gnlh, 0), NULL);
601
602 if (tb[NL80211_ATTR_WIPHY])
603 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
604
605 if (tb[NL80211_ATTR_WIPHY_NAME])
606 os_strlcpy(drv->phyname,
607 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
608 sizeof(drv->phyname));
609 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
610 capa->max_scan_ssids =
611 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
612
613 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
614 capa->max_sched_scan_ssids =
615 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
616
617 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
618 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
619 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
620 capa->max_sched_scan_plans =
621 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
622
623 capa->max_sched_scan_plan_interval =
624 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
625
626 capa->max_sched_scan_plan_iterations =
627 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
628 }
629
630 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
631 capa->max_match_sets =
632 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
633
634 if (tb[NL80211_ATTR_MAC_ACL_MAX])
635 capa->max_acl_mac_addrs =
636 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
637
638 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
639 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
640 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
641 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
642
643 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
644 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
645 "off-channel TX");
646 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
647 }
648
649 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
650 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
651 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
652 }
653
654 wiphy_info_max_roc(capa,
655 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
656
657 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
658 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
659
660 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
661 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
662
663 if (tb[NL80211_ATTR_DEVICE_AP_SME])
664 info->device_ap_sme = 1;
665
666 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
667 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
668 wiphy_info_probe_resp_offload(capa,
669 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
670
671 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
672 drv->extended_capa == NULL) {
673 drv->extended_capa =
674 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
675 if (drv->extended_capa) {
676 os_memcpy(drv->extended_capa,
677 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
678 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
679 drv->extended_capa_len =
680 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
681 wpa_hexdump(MSG_DEBUG,
682 "nl80211: Driver-advertised extended capabilities (default)",
683 drv->extended_capa, drv->extended_capa_len);
684 }
685 drv->extended_capa_mask =
686 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
687 if (drv->extended_capa_mask) {
688 os_memcpy(drv->extended_capa_mask,
689 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
690 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
691 wpa_hexdump(MSG_DEBUG,
692 "nl80211: Driver-advertised extended capabilities mask (default)",
693 drv->extended_capa_mask,
694 drv->extended_capa_len);
695 } else {
696 os_free(drv->extended_capa);
697 drv->extended_capa = NULL;
698 drv->extended_capa_len = 0;
699 }
700 }
701
702 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
703
704 if (tb[NL80211_ATTR_VENDOR_DATA]) {
705 struct nlattr *nl;
706 int rem;
707
708 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
709 struct nl80211_vendor_cmd_info *vinfo;
710 if (nla_len(nl) != sizeof(*vinfo)) {
711 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
712 continue;
713 }
714 vinfo = nla_data(nl);
715 if (vinfo->vendor_id == OUI_QCA) {
716 switch (vinfo->subcmd) {
717 case QCA_NL80211_VENDOR_SUBCMD_TEST:
718 drv->vendor_cmd_test_avail = 1;
719 break;
720 #ifdef CONFIG_DRIVER_NL80211_QCA
721 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
722 drv->roaming_vendor_cmd_avail = 1;
723 break;
724 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
725 drv->dfs_vendor_cmd_avail = 1;
726 break;
727 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
728 drv->get_features_vendor_cmd_avail = 1;
729 break;
730 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
731 drv->get_pref_freq_list = 1;
732 break;
733 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
734 drv->set_prob_oper_freq = 1;
735 break;
736 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
737 drv->capa.flags |=
738 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
739 break;
740 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
741 drv->setband_vendor_cmd_avail = 1;
742 break;
743 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
744 drv->scan_vendor_cmd_avail = 1;
745 break;
746 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
747 drv->set_wifi_conf_vendor_cmd_avail = 1;
748 break;
749 case QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES:
750 drv->he_capab_vendor_cmd_avail = 1;
751 break;
752 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS:
753 drv->fetch_bss_trans_status = 1;
754 break;
755 case QCA_NL80211_VENDOR_SUBCMD_ROAM:
756 drv->roam_vendor_cmd_avail = 1;
757 break;
758 #endif /* CONFIG_DRIVER_NL80211_QCA */
759 }
760 }
761
762 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
763 vinfo->vendor_id, vinfo->subcmd);
764 }
765 }
766
767 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
768 struct nlattr *nl;
769 int rem;
770
771 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
772 struct nl80211_vendor_cmd_info *vinfo;
773 if (nla_len(nl) != sizeof(*vinfo)) {
774 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
775 continue;
776 }
777 vinfo = nla_data(nl);
778 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
779 vinfo->vendor_id, vinfo->subcmd);
780 }
781 }
782
783 wiphy_info_wowlan_triggers(capa,
784 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
785
786 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
787 capa->max_stations =
788 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
789
790 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
791 capa->max_csa_counters =
792 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
793
794 return NL_SKIP;
795 }
796
797
798 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
799 struct wiphy_info_data *info)
800 {
801 u32 feat;
802 struct nl_msg *msg;
803 int flags = 0;
804
805 os_memset(info, 0, sizeof(*info));
806 info->capa = &drv->capa;
807 info->drv = drv;
808
809 feat = get_nl80211_protocol_features(drv);
810 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
811 flags = NLM_F_DUMP;
812 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
813 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
814 nlmsg_free(msg);
815 return -1;
816 }
817
818 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
819 return -1;
820
821 if (info->auth_supported)
822 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
823 else if (!info->connect_supported) {
824 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
825 "authentication/association or connect commands");
826 info->error = 1;
827 }
828
829 if (info->p2p_go_supported && info->p2p_client_supported)
830 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
831 if (info->p2p_concurrent) {
832 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
833 "interface (driver advertised support)");
834 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
835 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
836 }
837 if (info->num_multichan_concurrent > 1) {
838 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
839 "concurrent (driver advertised support)");
840 drv->capa.num_multichan_concurrent =
841 info->num_multichan_concurrent;
842 }
843 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
844 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
845
846 /* default to 5000 since early versions of mac80211 don't set it */
847 if (!drv->capa.max_remain_on_chan)
848 drv->capa.max_remain_on_chan = 5000;
849
850 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
851
852 drv->capa.mac_addr_rand_sched_scan_supported =
853 info->mac_addr_rand_sched_scan_supported;
854 drv->capa.mac_addr_rand_scan_supported =
855 info->mac_addr_rand_scan_supported;
856
857 if (info->channel_switch_supported) {
858 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
859 if (!drv->capa.max_csa_counters)
860 drv->capa.max_csa_counters = 1;
861 }
862
863 if (!drv->capa.max_sched_scan_plans) {
864 drv->capa.max_sched_scan_plans = 1;
865 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
866 drv->capa.max_sched_scan_plan_iterations = 0;
867 }
868
869 return 0;
870 }
871
872
873 #ifdef CONFIG_DRIVER_NL80211_QCA
874
875 static int dfs_info_handler(struct nl_msg *msg, void *arg)
876 {
877 struct nlattr *tb[NL80211_ATTR_MAX + 1];
878 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
879 int *dfs_capability_ptr = arg;
880
881 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
882 genlmsg_attrlen(gnlh, 0), NULL);
883
884 if (tb[NL80211_ATTR_VENDOR_DATA]) {
885 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
886 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
887
888 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
889 nla_data(nl_vend), nla_len(nl_vend), NULL);
890
891 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
892 u32 val;
893 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
894 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
895 val);
896 *dfs_capability_ptr = val;
897 }
898 }
899
900 return NL_SKIP;
901 }
902
903
904 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
905 {
906 struct nl_msg *msg;
907 int dfs_capability = 0;
908 int ret;
909
910 if (!drv->dfs_vendor_cmd_avail)
911 return;
912
913 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
914 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
915 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
916 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
917 nlmsg_free(msg);
918 return;
919 }
920
921 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
922 if (!ret && dfs_capability)
923 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
924 }
925
926
927 static int qca_nl80211_he_capab_handler(struct nl_msg *msg, void *arg)
928 {
929 struct nlattr *tb[NL80211_ATTR_MAX + 1];
930 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
931 struct he_capabilities *he_capab = arg;
932 struct nlattr *nl_vend;
933 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX + 1];
934 size_t len;
935
936 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
937 genlmsg_attrlen(gnlh, 0), NULL);
938
939 if (!tb[NL80211_ATTR_VENDOR_DATA])
940 return NL_SKIP;
941
942 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
943 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX,
944 nla_data(nl_vend), nla_len(nl_vend), NULL);
945
946 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]) {
947 u8 he_supported;
948
949 he_supported = nla_get_u8(
950 tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]);
951 wpa_printf(MSG_DEBUG, "nl80211: HE capabilities supported: %u",
952 he_supported);
953 he_capab->he_supported = he_supported;
954 if (!he_supported)
955 return NL_SKIP;
956 }
957
958 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]) {
959 len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]);
960
961 if (len > sizeof(he_capab->phy_cap))
962 len = sizeof(he_capab->phy_cap);
963 os_memcpy(he_capab->phy_cap,
964 nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]),
965 len);
966 }
967
968 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB])
969 he_capab->mac_cap =
970 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB]);
971
972 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS])
973 he_capab->mcs =
974 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS]);
975
976 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS])
977 he_capab->ppet.numss_m1 =
978 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS]);
979
980 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK])
981 he_capab->ppet.ru_count =
982 nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK]);
983
984 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]) {
985 len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]);
986
987 if (len > sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0))
988 len = sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0);
989 os_memcpy(he_capab->ppet.ppet16_ppet8_ru3_ru0,
990 nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]),
991 len);
992 }
993
994 return NL_SKIP;
995 }
996
997
998 static void qca_nl80211_check_he_capab(struct wpa_driver_nl80211_data *drv)
999 {
1000 struct nl_msg *msg;
1001 int ret;
1002
1003 if (!drv->he_capab_vendor_cmd_avail)
1004 return;
1005
1006 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1007 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1008 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1009 QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES)) {
1010 nlmsg_free(msg);
1011 return;
1012 }
1013
1014 ret = send_and_recv_msgs(drv, msg, qca_nl80211_he_capab_handler,
1015 &drv->he_capab);
1016 if (!ret && drv->he_capab.he_supported)
1017 drv->capa.flags |= WPA_DRIVER_FLAGS_HE_CAPABILITIES;
1018 }
1019
1020
1021 struct features_info {
1022 u8 *flags;
1023 size_t flags_len;
1024 struct wpa_driver_capa *capa;
1025 };
1026
1027
1028 static int features_info_handler(struct nl_msg *msg, void *arg)
1029 {
1030 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1031 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1032 struct features_info *info = arg;
1033 struct nlattr *nl_vend, *attr;
1034
1035 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1036 genlmsg_attrlen(gnlh, 0), NULL);
1037
1038 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1039 if (nl_vend) {
1040 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1041
1042 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1043 nla_data(nl_vend), nla_len(nl_vend), NULL);
1044
1045 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
1046 if (attr) {
1047 int len = nla_len(attr);
1048 info->flags = os_malloc(len);
1049 if (info->flags != NULL) {
1050 os_memcpy(info->flags, nla_data(attr), len);
1051 info->flags_len = len;
1052 }
1053 }
1054 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
1055 if (attr)
1056 info->capa->conc_capab = nla_get_u32(attr);
1057
1058 attr = tb_vendor[
1059 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
1060 if (attr)
1061 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
1062
1063 attr = tb_vendor[
1064 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
1065 if (attr)
1066 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
1067 }
1068
1069 return NL_SKIP;
1070 }
1071
1072
1073 static int check_feature(enum qca_wlan_vendor_features feature,
1074 struct features_info *info)
1075 {
1076 size_t idx = feature / 8;
1077
1078 return (idx < info->flags_len) &&
1079 (info->flags[idx] & BIT(feature % 8));
1080 }
1081
1082
1083 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
1084 {
1085 struct nl_msg *msg;
1086 struct features_info info;
1087 int ret;
1088
1089 if (!drv->get_features_vendor_cmd_avail)
1090 return;
1091
1092 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1093 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1094 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1095 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
1096 nlmsg_free(msg);
1097 return;
1098 }
1099
1100 os_memset(&info, 0, sizeof(info));
1101 info.capa = &drv->capa;
1102 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
1103 if (ret || !info.flags)
1104 return;
1105
1106 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
1107 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
1108
1109 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
1110 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1111
1112 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
1113 &info))
1114 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1115 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
1116 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
1117 os_free(info.flags);
1118 }
1119
1120 #endif /* CONFIG_DRIVER_NL80211_QCA */
1121
1122
1123 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
1124 {
1125 struct wiphy_info_data info;
1126 if (wpa_driver_nl80211_get_info(drv, &info))
1127 return -1;
1128
1129 if (info.error)
1130 return -1;
1131
1132 drv->has_capability = 1;
1133 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1134 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1135 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1136 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1137 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1138 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192 |
1139 WPA_DRIVER_CAPA_KEY_MGMT_OWE |
1140 WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1141 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1142 WPA_DRIVER_AUTH_SHARED |
1143 WPA_DRIVER_AUTH_LEAP;
1144
1145 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
1146 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1147 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1148
1149 /*
1150 * As all cfg80211 drivers must support cases where the AP interface is
1151 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1152 * case that the user space daemon has crashed, they must be able to
1153 * cleanup all stations and key entries in the AP tear down flow. Thus,
1154 * this flag can/should always be set for cfg80211 drivers.
1155 */
1156 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1157
1158 if (!info.device_ap_sme) {
1159 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1160
1161 /*
1162 * No AP SME is currently assumed to also indicate no AP MLME
1163 * in the driver/firmware.
1164 */
1165 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1166 }
1167
1168 drv->device_ap_sme = info.device_ap_sme;
1169 drv->poll_command_supported = info.poll_command_supported;
1170 drv->data_tx_status = info.data_tx_status;
1171 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1172 if (info.set_qos_map_supported)
1173 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1174 drv->have_low_prio_scan = info.have_low_prio_scan;
1175
1176 /*
1177 * If poll command and tx status are supported, mac80211 is new enough
1178 * to have everything we need to not need monitor interfaces.
1179 */
1180 drv->use_monitor = !info.device_ap_sme &&
1181 (!info.poll_command_supported || !info.data_tx_status);
1182
1183 /*
1184 * If we aren't going to use monitor interfaces, but the
1185 * driver doesn't support data TX status, we won't get TX
1186 * status for EAPOL frames.
1187 */
1188 if (!drv->use_monitor && !info.data_tx_status)
1189 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1190
1191 #ifdef CONFIG_DRIVER_NL80211_QCA
1192 qca_nl80211_check_dfs_capa(drv);
1193 qca_nl80211_get_features(drv);
1194 qca_nl80211_check_he_capab(drv);
1195
1196 /*
1197 * To enable offchannel simultaneous support in wpa_supplicant, the
1198 * underlying driver needs to support the same along with offchannel TX.
1199 * Offchannel TX support is needed since remain_on_channel and
1200 * action_tx use some common data structures and hence cannot be
1201 * scheduled simultaneously.
1202 */
1203 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1204 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1205 #endif /* CONFIG_DRIVER_NL80211_QCA */
1206
1207 return 0;
1208 }
1209
1210
1211 struct phy_info_arg {
1212 u16 *num_modes;
1213 struct hostapd_hw_modes *modes;
1214 int last_mode, last_chan_idx;
1215 int failed;
1216 u8 dfs_domain;
1217 };
1218
1219 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1220 struct nlattr *ampdu_factor,
1221 struct nlattr *ampdu_density,
1222 struct nlattr *mcs_set)
1223 {
1224 if (capa)
1225 mode->ht_capab = nla_get_u16(capa);
1226
1227 if (ampdu_factor)
1228 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1229
1230 if (ampdu_density)
1231 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1232
1233 if (mcs_set && nla_len(mcs_set) >= 16) {
1234 u8 *mcs;
1235 mcs = nla_data(mcs_set);
1236 os_memcpy(mode->mcs_set, mcs, 16);
1237 }
1238 }
1239
1240
1241 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1242 struct nlattr *capa,
1243 struct nlattr *mcs_set)
1244 {
1245 if (capa)
1246 mode->vht_capab = nla_get_u32(capa);
1247
1248 if (mcs_set && nla_len(mcs_set) >= 8) {
1249 u8 *mcs;
1250 mcs = nla_data(mcs_set);
1251 os_memcpy(mode->vht_mcs_set, mcs, 8);
1252 }
1253 }
1254
1255
1256 static void phy_info_freq(struct hostapd_hw_modes *mode,
1257 struct hostapd_channel_data *chan,
1258 struct nlattr *tb_freq[])
1259 {
1260 u8 channel;
1261 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1262 chan->flag = 0;
1263 chan->dfs_cac_ms = 0;
1264 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1265 chan->chan = channel;
1266
1267 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1268 chan->flag |= HOSTAPD_CHAN_DISABLED;
1269 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1270 chan->flag |= HOSTAPD_CHAN_NO_IR;
1271 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1272 chan->flag |= HOSTAPD_CHAN_RADAR;
1273 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1274 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1275 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1276 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1277
1278 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1279 enum nl80211_dfs_state state =
1280 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1281
1282 switch (state) {
1283 case NL80211_DFS_USABLE:
1284 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1285 break;
1286 case NL80211_DFS_AVAILABLE:
1287 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1288 break;
1289 case NL80211_DFS_UNAVAILABLE:
1290 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1291 break;
1292 }
1293 }
1294
1295 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1296 chan->dfs_cac_ms = nla_get_u32(
1297 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1298 }
1299 }
1300
1301
1302 static int phy_info_freqs(struct phy_info_arg *phy_info,
1303 struct hostapd_hw_modes *mode, struct nlattr *tb)
1304 {
1305 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1306 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1307 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1308 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1309 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1310 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1311 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1312 };
1313 int new_channels = 0;
1314 struct hostapd_channel_data *channel;
1315 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1316 struct nlattr *nl_freq;
1317 int rem_freq, idx;
1318
1319 if (tb == NULL)
1320 return NL_OK;
1321
1322 nla_for_each_nested(nl_freq, tb, rem_freq) {
1323 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1324 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1325 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1326 continue;
1327 new_channels++;
1328 }
1329
1330 channel = os_realloc_array(mode->channels,
1331 mode->num_channels + new_channels,
1332 sizeof(struct hostapd_channel_data));
1333 if (!channel)
1334 return NL_STOP;
1335
1336 mode->channels = channel;
1337 mode->num_channels += new_channels;
1338
1339 idx = phy_info->last_chan_idx;
1340
1341 nla_for_each_nested(nl_freq, tb, rem_freq) {
1342 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1343 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1344 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1345 continue;
1346 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1347 idx++;
1348 }
1349 phy_info->last_chan_idx = idx;
1350
1351 return NL_OK;
1352 }
1353
1354
1355 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1356 {
1357 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1358 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1359 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1360 { .type = NLA_FLAG },
1361 };
1362 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1363 struct nlattr *nl_rate;
1364 int rem_rate, idx;
1365
1366 if (tb == NULL)
1367 return NL_OK;
1368
1369 nla_for_each_nested(nl_rate, tb, rem_rate) {
1370 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1371 nla_data(nl_rate), nla_len(nl_rate),
1372 rate_policy);
1373 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1374 continue;
1375 mode->num_rates++;
1376 }
1377
1378 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1379 if (!mode->rates)
1380 return NL_STOP;
1381
1382 idx = 0;
1383
1384 nla_for_each_nested(nl_rate, tb, rem_rate) {
1385 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1386 nla_data(nl_rate), nla_len(nl_rate),
1387 rate_policy);
1388 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1389 continue;
1390 mode->rates[idx] = nla_get_u32(
1391 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1392 idx++;
1393 }
1394
1395 return NL_OK;
1396 }
1397
1398
1399 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1400 {
1401 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1402 struct hostapd_hw_modes *mode;
1403 int ret;
1404
1405 if (phy_info->last_mode != nl_band->nla_type) {
1406 mode = os_realloc_array(phy_info->modes,
1407 *phy_info->num_modes + 1,
1408 sizeof(*mode));
1409 if (!mode) {
1410 phy_info->failed = 1;
1411 return NL_STOP;
1412 }
1413 phy_info->modes = mode;
1414
1415 mode = &phy_info->modes[*(phy_info->num_modes)];
1416 os_memset(mode, 0, sizeof(*mode));
1417 mode->mode = NUM_HOSTAPD_MODES;
1418 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1419 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1420
1421 /*
1422 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1423 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1424 * possible streams as unsupported. This will be overridden if
1425 * driver advertises VHT support.
1426 */
1427 mode->vht_mcs_set[0] = 0xff;
1428 mode->vht_mcs_set[1] = 0xff;
1429 mode->vht_mcs_set[4] = 0xff;
1430 mode->vht_mcs_set[5] = 0xff;
1431
1432 *(phy_info->num_modes) += 1;
1433 phy_info->last_mode = nl_band->nla_type;
1434 phy_info->last_chan_idx = 0;
1435 } else
1436 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1437
1438 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1439 nla_len(nl_band), NULL);
1440
1441 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1442 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1443 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1444 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1445 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1446 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1447 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
1448 if (ret == NL_OK)
1449 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1450 if (ret != NL_OK) {
1451 phy_info->failed = 1;
1452 return ret;
1453 }
1454
1455 return NL_OK;
1456 }
1457
1458
1459 static int phy_info_handler(struct nl_msg *msg, void *arg)
1460 {
1461 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1462 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1463 struct phy_info_arg *phy_info = arg;
1464 struct nlattr *nl_band;
1465 int rem_band;
1466
1467 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1468 genlmsg_attrlen(gnlh, 0), NULL);
1469
1470 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1471 return NL_SKIP;
1472
1473 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1474 {
1475 int res = phy_info_band(phy_info, nl_band);
1476 if (res != NL_OK)
1477 return res;
1478 }
1479
1480 return NL_SKIP;
1481 }
1482
1483
1484 static struct hostapd_hw_modes *
1485 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1486 u16 *num_modes)
1487 {
1488 u16 m;
1489 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1490 int i, mode11g_idx = -1;
1491
1492 /* heuristic to set up modes */
1493 for (m = 0; m < *num_modes; m++) {
1494 if (!modes[m].num_channels)
1495 continue;
1496 if (modes[m].channels[0].freq < 4000) {
1497 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1498 for (i = 0; i < modes[m].num_rates; i++) {
1499 if (modes[m].rates[i] > 200) {
1500 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1501 break;
1502 }
1503 }
1504 } else if (modes[m].channels[0].freq > 50000)
1505 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
1506 else
1507 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
1508 }
1509
1510 /* If only 802.11g mode is included, use it to construct matching
1511 * 802.11b mode data. */
1512
1513 for (m = 0; m < *num_modes; m++) {
1514 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
1515 return modes; /* 802.11b already included */
1516 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1517 mode11g_idx = m;
1518 }
1519
1520 if (mode11g_idx < 0)
1521 return modes; /* 2.4 GHz band not supported at all */
1522
1523 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
1524 if (nmodes == NULL)
1525 return modes; /* Could not add 802.11b mode */
1526
1527 mode = &nmodes[*num_modes];
1528 os_memset(mode, 0, sizeof(*mode));
1529 (*num_modes)++;
1530 modes = nmodes;
1531
1532 mode->mode = HOSTAPD_MODE_IEEE80211B;
1533
1534 mode11g = &modes[mode11g_idx];
1535 mode->num_channels = mode11g->num_channels;
1536 mode->channels = os_memdup(mode11g->channels,
1537 mode11g->num_channels *
1538 sizeof(struct hostapd_channel_data));
1539 if (mode->channels == NULL) {
1540 (*num_modes)--;
1541 return modes; /* Could not add 802.11b mode */
1542 }
1543
1544 mode->num_rates = 0;
1545 mode->rates = os_malloc(4 * sizeof(int));
1546 if (mode->rates == NULL) {
1547 os_free(mode->channels);
1548 (*num_modes)--;
1549 return modes; /* Could not add 802.11b mode */
1550 }
1551
1552 for (i = 0; i < mode11g->num_rates; i++) {
1553 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
1554 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
1555 continue;
1556 mode->rates[mode->num_rates] = mode11g->rates[i];
1557 mode->num_rates++;
1558 if (mode->num_rates == 4)
1559 break;
1560 }
1561
1562 if (mode->num_rates == 0) {
1563 os_free(mode->channels);
1564 os_free(mode->rates);
1565 (*num_modes)--;
1566 return modes; /* No 802.11b rates */
1567 }
1568
1569 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
1570 "information");
1571
1572 return modes;
1573 }
1574
1575
1576 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
1577 int end)
1578 {
1579 int c;
1580
1581 for (c = 0; c < mode->num_channels; c++) {
1582 struct hostapd_channel_data *chan = &mode->channels[c];
1583 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
1584 chan->flag |= HOSTAPD_CHAN_HT40;
1585 }
1586 }
1587
1588
1589 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
1590 int end)
1591 {
1592 int c;
1593
1594 for (c = 0; c < mode->num_channels; c++) {
1595 struct hostapd_channel_data *chan = &mode->channels[c];
1596 if (!(chan->flag & HOSTAPD_CHAN_HT40))
1597 continue;
1598 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
1599 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
1600 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
1601 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
1602 }
1603 }
1604
1605
1606 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
1607 struct phy_info_arg *results)
1608 {
1609 u16 m;
1610
1611 for (m = 0; m < *results->num_modes; m++) {
1612 int c;
1613 struct hostapd_hw_modes *mode = &results->modes[m];
1614
1615 for (c = 0; c < mode->num_channels; c++) {
1616 struct hostapd_channel_data *chan = &mode->channels[c];
1617 if ((u32) chan->freq - 10 >= start &&
1618 (u32) chan->freq + 10 <= end)
1619 chan->max_tx_power = max_eirp;
1620 }
1621 }
1622 }
1623
1624
1625 static void nl80211_reg_rule_ht40(u32 start, u32 end,
1626 struct phy_info_arg *results)
1627 {
1628 u16 m;
1629
1630 for (m = 0; m < *results->num_modes; m++) {
1631 if (!(results->modes[m].ht_capab &
1632 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1633 continue;
1634 nl80211_set_ht40_mode(&results->modes[m], start, end);
1635 }
1636 }
1637
1638
1639 static void nl80211_reg_rule_sec(struct nlattr *tb[],
1640 struct phy_info_arg *results)
1641 {
1642 u32 start, end, max_bw;
1643 u16 m;
1644
1645 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1646 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1647 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1648 return;
1649
1650 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1651 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1652 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1653
1654 if (max_bw < 20)
1655 return;
1656
1657 for (m = 0; m < *results->num_modes; m++) {
1658 if (!(results->modes[m].ht_capab &
1659 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1660 continue;
1661 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
1662 }
1663 }
1664
1665
1666 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
1667 int end, int max_bw)
1668 {
1669 int c;
1670
1671 for (c = 0; c < mode->num_channels; c++) {
1672 struct hostapd_channel_data *chan = &mode->channels[c];
1673 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
1674 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
1675
1676 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
1677 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
1678
1679 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
1680 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
1681
1682 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
1683 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
1684
1685 if (max_bw >= 160) {
1686 if (chan->freq - 10 >= start && chan->freq + 150 <= end)
1687 chan->flag |= HOSTAPD_CHAN_VHT_10_150;
1688
1689 if (chan->freq - 30 >= start && chan->freq + 130 <= end)
1690 chan->flag |= HOSTAPD_CHAN_VHT_30_130;
1691
1692 if (chan->freq - 50 >= start && chan->freq + 110 <= end)
1693 chan->flag |= HOSTAPD_CHAN_VHT_50_110;
1694
1695 if (chan->freq - 70 >= start && chan->freq + 90 <= end)
1696 chan->flag |= HOSTAPD_CHAN_VHT_70_90;
1697
1698 if (chan->freq - 90 >= start && chan->freq + 70 <= end)
1699 chan->flag |= HOSTAPD_CHAN_VHT_90_70;
1700
1701 if (chan->freq - 110 >= start && chan->freq + 50 <= end)
1702 chan->flag |= HOSTAPD_CHAN_VHT_110_50;
1703
1704 if (chan->freq - 130 >= start && chan->freq + 30 <= end)
1705 chan->flag |= HOSTAPD_CHAN_VHT_130_30;
1706
1707 if (chan->freq - 150 >= start && chan->freq + 10 <= end)
1708 chan->flag |= HOSTAPD_CHAN_VHT_150_10;
1709 }
1710 }
1711 }
1712
1713
1714 static void nl80211_reg_rule_vht(struct nlattr *tb[],
1715 struct phy_info_arg *results)
1716 {
1717 u32 start, end, max_bw;
1718 u16 m;
1719
1720 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1721 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1722 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1723 return;
1724
1725 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1726 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1727 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1728
1729 if (max_bw < 80)
1730 return;
1731
1732 for (m = 0; m < *results->num_modes; m++) {
1733 if (!(results->modes[m].ht_capab &
1734 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1735 continue;
1736 /* TODO: use a real VHT support indication */
1737 if (!results->modes[m].vht_capab)
1738 continue;
1739
1740 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
1741 }
1742 }
1743
1744
1745 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
1746 u8 *dfs_domain)
1747 {
1748 if (region == NL80211_DFS_FCC)
1749 *dfs_domain = HOSTAPD_DFS_REGION_FCC;
1750 else if (region == NL80211_DFS_ETSI)
1751 *dfs_domain = HOSTAPD_DFS_REGION_ETSI;
1752 else if (region == NL80211_DFS_JP)
1753 *dfs_domain = HOSTAPD_DFS_REGION_JP;
1754 else
1755 *dfs_domain = 0;
1756 }
1757
1758
1759 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
1760 {
1761 switch (region) {
1762 case NL80211_DFS_UNSET:
1763 return "DFS-UNSET";
1764 case NL80211_DFS_FCC:
1765 return "DFS-FCC";
1766 case NL80211_DFS_ETSI:
1767 return "DFS-ETSI";
1768 case NL80211_DFS_JP:
1769 return "DFS-JP";
1770 default:
1771 return "DFS-invalid";
1772 }
1773 }
1774
1775
1776 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
1777 {
1778 struct phy_info_arg *results = arg;
1779 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1780 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1781 struct nlattr *nl_rule;
1782 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
1783 int rem_rule;
1784 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1785 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1786 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1787 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1788 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1789 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1790 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1791 };
1792
1793 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1794 genlmsg_attrlen(gnlh, 0), NULL);
1795 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
1796 !tb_msg[NL80211_ATTR_REG_RULES]) {
1797 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
1798 "available");
1799 return NL_SKIP;
1800 }
1801
1802 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
1803 enum nl80211_dfs_regions dfs_domain;
1804 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
1805 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
1806 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
1807 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
1808 dfs_domain_name(dfs_domain));
1809 } else {
1810 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
1811 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
1812 }
1813
1814 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1815 {
1816 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
1817 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1818 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1819 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1820 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
1821 continue;
1822 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1823 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1824 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1825 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
1826 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1827 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1828 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
1829 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
1830
1831 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
1832 start, end, max_bw, max_eirp,
1833 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
1834 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
1835 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
1836 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
1837 "",
1838 flags & NL80211_RRF_DFS ? " (DFS)" : "",
1839 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
1840 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
1841 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
1842 if (max_bw >= 40)
1843 nl80211_reg_rule_ht40(start, end, results);
1844 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1845 nl80211_reg_rule_max_eirp(start, end, max_eirp,
1846 results);
1847 }
1848
1849 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1850 {
1851 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1852 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1853 nl80211_reg_rule_sec(tb_rule, results);
1854 }
1855
1856 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1857 {
1858 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1859 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1860 nl80211_reg_rule_vht(tb_rule, results);
1861 }
1862
1863 return NL_SKIP;
1864 }
1865
1866
1867 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
1868 struct phy_info_arg *results)
1869 {
1870 struct nl_msg *msg;
1871
1872 msg = nlmsg_alloc();
1873 if (!msg)
1874 return -ENOMEM;
1875
1876 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1877 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
1878 }
1879
1880
1881 struct hostapd_hw_modes *
1882 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
1883 u8 *dfs_domain)
1884 {
1885 u32 feat;
1886 struct i802_bss *bss = priv;
1887 struct wpa_driver_nl80211_data *drv = bss->drv;
1888 int nl_flags = 0;
1889 struct nl_msg *msg;
1890 struct phy_info_arg result = {
1891 .num_modes = num_modes,
1892 .modes = NULL,
1893 .last_mode = -1,
1894 .failed = 0,
1895 .dfs_domain = 0,
1896 };
1897
1898 *num_modes = 0;
1899 *flags = 0;
1900 *dfs_domain = 0;
1901
1902 feat = get_nl80211_protocol_features(drv);
1903 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1904 nl_flags = NLM_F_DUMP;
1905 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
1906 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1907 nlmsg_free(msg);
1908 return NULL;
1909 }
1910
1911 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
1912 nl80211_set_regulatory_flags(drv, &result);
1913 if (result.failed) {
1914 int i;
1915
1916 for (i = 0; result.modes && i < *num_modes; i++) {
1917 os_free(result.modes[i].channels);
1918 os_free(result.modes[i].rates);
1919 }
1920 os_free(result.modes);
1921 *num_modes = 0;
1922 return NULL;
1923 }
1924
1925 *dfs_domain = result.dfs_domain;
1926
1927 return wpa_driver_nl80211_postprocess_modes(result.modes,
1928 num_modes);
1929 }
1930
1931 return NULL;
1932 }
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