]> git.ipfire.org Git - thirdparty/hostap.git/blob - src/drivers/driver_nl80211_capa.c
projects / thirdparty / hostap.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
HT: Remove SMPS in AP mode
[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 unsigned int update_ft_ies_supported:1;
82 };
83
84
85 static unsigned int probe_resp_offload_support(int supp_protocols)
86 {
87 unsigned int prot = 0;
88
89 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
90 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
91 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
92 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
93 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
94 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
95 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
96 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
97
98 return prot;
99 }
100
101
102 static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
103 struct nlattr *tb)
104 {
105 struct nlattr *nl_mode;
106 int i;
107
108 if (tb == NULL)
109 return;
110
111 nla_for_each_nested(nl_mode, tb, i) {
112 switch (nla_type(nl_mode)) {
113 case NL80211_IFTYPE_AP:
114 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
115 break;
116 case NL80211_IFTYPE_MESH_POINT:
117 info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
118 break;
119 case NL80211_IFTYPE_ADHOC:
120 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
121 break;
122 case NL80211_IFTYPE_P2P_DEVICE:
123 info->capa->flags |=
124 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
125 break;
126 case NL80211_IFTYPE_P2P_GO:
127 info->p2p_go_supported = 1;
128 break;
129 case NL80211_IFTYPE_P2P_CLIENT:
130 info->p2p_client_supported = 1;
131 break;
132 }
133 }
134 }
135
136
137 static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
138 struct nlattr *nl_combi)
139 {
140 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
141 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
142 struct nlattr *nl_limit, *nl_mode;
143 int err, rem_limit, rem_mode;
144 int combination_has_p2p = 0, combination_has_mgd = 0;
145 static struct nla_policy
146 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
147 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
148 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
149 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
150 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
151 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
152 },
153 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
154 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
155 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
156 };
157
158 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
159 nl_combi, iface_combination_policy);
160 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
161 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
162 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
163 return 0; /* broken combination */
164
165 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
166 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
167
168 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
169 rem_limit) {
170 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
171 nl_limit, iface_limit_policy);
172 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
173 return 0; /* broken combination */
174
175 nla_for_each_nested(nl_mode,
176 tb_limit[NL80211_IFACE_LIMIT_TYPES],
177 rem_mode) {
178 int ift = nla_type(nl_mode);
179 if (ift == NL80211_IFTYPE_P2P_GO ||
180 ift == NL80211_IFTYPE_P2P_CLIENT)
181 combination_has_p2p = 1;
182 if (ift == NL80211_IFTYPE_STATION)
183 combination_has_mgd = 1;
184 }
185 if (combination_has_p2p && combination_has_mgd)
186 break;
187 }
188
189 if (combination_has_p2p && combination_has_mgd) {
190 unsigned int num_channels =
191 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
192
193 info->p2p_concurrent = 1;
194 if (info->num_multichan_concurrent < num_channels)
195 info->num_multichan_concurrent = num_channels;
196 }
197
198 return 0;
199 }
200
201
202 static void wiphy_info_iface_comb(struct wiphy_info_data *info,
203 struct nlattr *tb)
204 {
205 struct nlattr *nl_combi;
206 int rem_combi;
207
208 if (tb == NULL)
209 return;
210
211 nla_for_each_nested(nl_combi, tb, rem_combi) {
212 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
213 break;
214 }
215 }
216
217
218 static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
219 struct nlattr *tb)
220 {
221 struct nlattr *nl_cmd;
222 int i;
223
224 if (tb == NULL)
225 return;
226
227 nla_for_each_nested(nl_cmd, tb, i) {
228 switch (nla_get_u32(nl_cmd)) {
229 case NL80211_CMD_AUTHENTICATE:
230 info->auth_supported = 1;
231 break;
232 case NL80211_CMD_CONNECT:
233 info->connect_supported = 1;
234 break;
235 case NL80211_CMD_START_SCHED_SCAN:
236 info->capa->sched_scan_supported = 1;
237 break;
238 case NL80211_CMD_PROBE_CLIENT:
239 info->poll_command_supported = 1;
240 break;
241 case NL80211_CMD_CHANNEL_SWITCH:
242 info->channel_switch_supported = 1;
243 break;
244 case NL80211_CMD_SET_QOS_MAP:
245 info->set_qos_map_supported = 1;
246 break;
247 case NL80211_CMD_UPDATE_FT_IES:
248 info->update_ft_ies_supported = 1;
249 break;
250 }
251 }
252 }
253
254
255 static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
256 struct nlattr *tb)
257 {
258 int i, num;
259 u32 *ciphers;
260
261 if (tb == NULL)
262 return;
263
264 num = nla_len(tb) / sizeof(u32);
265 ciphers = nla_data(tb);
266 for (i = 0; i < num; i++) {
267 u32 c = ciphers[i];
268
269 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
270 c >> 24, (c >> 16) & 0xff,
271 (c >> 8) & 0xff, c & 0xff);
272 switch (c) {
273 case RSN_CIPHER_SUITE_CCMP_256:
274 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
275 break;
276 case RSN_CIPHER_SUITE_GCMP_256:
277 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
278 break;
279 case RSN_CIPHER_SUITE_CCMP:
280 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
281 break;
282 case RSN_CIPHER_SUITE_GCMP:
283 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
284 break;
285 case RSN_CIPHER_SUITE_TKIP:
286 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
287 break;
288 case RSN_CIPHER_SUITE_WEP104:
289 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
290 break;
291 case RSN_CIPHER_SUITE_WEP40:
292 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
293 break;
294 case RSN_CIPHER_SUITE_AES_128_CMAC:
295 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
296 break;
297 case RSN_CIPHER_SUITE_BIP_GMAC_128:
298 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
299 break;
300 case RSN_CIPHER_SUITE_BIP_GMAC_256:
301 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
302 break;
303 case RSN_CIPHER_SUITE_BIP_CMAC_256:
304 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
305 break;
306 case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED:
307 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
308 break;
309 }
310 }
311 }
312
313
314 static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
315 struct nlattr *tb)
316 {
317 if (tb)
318 capa->max_remain_on_chan = nla_get_u32(tb);
319 }
320
321
322 static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
323 struct nlattr *ext_setup)
324 {
325 if (tdls == NULL)
326 return;
327
328 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
329 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
330
331 if (ext_setup) {
332 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
333 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
334 }
335 }
336
337
338 static int ext_feature_isset(const u8 *ext_features, int ext_features_len,
339 enum nl80211_ext_feature_index ftidx)
340 {
341 u8 ft_byte;
342
343 if ((int) ftidx / 8 >= ext_features_len)
344 return 0;
345
346 ft_byte = ext_features[ftidx / 8];
347 return (ft_byte & BIT(ftidx % 8)) != 0;
348 }
349
350
351 static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
352 struct nlattr *tb)
353 {
354 struct wpa_driver_capa *capa = info->capa;
355 u8 *ext_features;
356 int len;
357
358 if (tb == NULL)
359 return;
360
361 ext_features = nla_data(tb);
362 len = nla_len(tb);
363
364 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS))
365 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
366
367 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
368 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
369
370 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA))
371 capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS;
372
373 if (ext_feature_isset(ext_features, len,
374 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
375 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY;
376
377 if (ext_feature_isset(ext_features, len,
378 NL80211_EXT_FEATURE_BEACON_RATE_HT))
379 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT;
380
381 if (ext_feature_isset(ext_features, len,
382 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
383 capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT;
384
385 if (ext_feature_isset(ext_features, len,
386 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
387 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL;
388
389 if (ext_feature_isset(ext_features, len,
390 NL80211_EXT_FEATURE_SCAN_START_TIME) &&
391 ext_feature_isset(ext_features, len,
392 NL80211_EXT_FEATURE_BSS_PARENT_TSF) &&
393 ext_feature_isset(ext_features, len,
394 NL80211_EXT_FEATURE_SET_SCAN_DWELL))
395 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT;
396 if (ext_feature_isset(ext_features, len,
397 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
398 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA;
399 if (ext_feature_isset(ext_features, len,
400 NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
401 capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED;
402 if (ext_feature_isset(ext_features, len,
403 NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI))
404 capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI;
405 if (ext_feature_isset(ext_features, len,
406 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD))
407 capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD;
408
409 if (ext_feature_isset(ext_features, len,
410 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
411 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK;
412 if (ext_feature_isset(ext_features, len,
413 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
414 capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X;
415
416 if (ext_feature_isset(ext_features, len,
417 NL80211_EXT_FEATURE_MFP_OPTIONAL))
418 capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL;
419
420 if (ext_feature_isset(ext_features, len,
421 NL80211_EXT_FEATURE_DFS_OFFLOAD))
422 capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
423
424 #ifdef CONFIG_MBO
425 if (ext_feature_isset(ext_features, len,
426 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) &&
427 ext_feature_isset(ext_features, len,
428 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) &&
429 ext_feature_isset(ext_features, len,
430 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) &&
431 ext_feature_isset(
432 ext_features, len,
433 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION))
434 capa->flags |= WPA_DRIVER_FLAGS_OCE_STA;
435 #endif /* CONFIG_MBO */
436
437 if (ext_feature_isset(ext_features, len,
438 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
439 capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER;
440
441 if (ext_feature_isset(ext_features, len,
442 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
443 capa->flags |= WPA_DRIVER_FLAGS_CONTROL_PORT;
444
445 if (ext_feature_isset(ext_features, len,
446 NL80211_EXT_FEATURE_VLAN_OFFLOAD))
447 capa->flags |= WPA_DRIVER_FLAGS_VLAN_OFFLOAD;
448 }
449
450
451 static void wiphy_info_feature_flags(struct wiphy_info_data *info,
452 struct nlattr *tb)
453 {
454 u32 flags;
455 struct wpa_driver_capa *capa = info->capa;
456
457 if (tb == NULL)
458 return;
459
460 flags = nla_get_u32(tb);
461
462 if (flags & NL80211_FEATURE_SK_TX_STATUS)
463 info->data_tx_status = 1;
464
465 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
466 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
467
468 if (flags & NL80211_FEATURE_SAE)
469 capa->flags |= WPA_DRIVER_FLAGS_SAE;
470
471 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
472 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
473
474 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
475 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
476
477 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
478 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
479 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
480 }
481
482 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
483 info->p2p_go_ctwindow_supported = 1;
484
485 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
486 info->have_low_prio_scan = 1;
487
488 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
489 info->mac_addr_rand_scan_supported = 1;
490
491 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
492 info->mac_addr_rand_sched_scan_supported = 1;
493
494 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
495 info->wmm_ac_supported = 1;
496
497 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
498 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
499
500 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
501 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
502
503 if (flags & NL80211_FEATURE_QUIET)
504 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
505
506 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
507 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
508
509 if (flags & NL80211_FEATURE_HT_IBSS)
510 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
511
512 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
513 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
514 }
515
516
517 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
518 struct nlattr *tb)
519 {
520 u32 protocols;
521
522 if (tb == NULL)
523 return;
524
525 protocols = nla_get_u32(tb);
526 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
527 "mode");
528 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
529 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
530 }
531
532
533 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
534 struct nlattr *tb)
535 {
536 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
537
538 if (tb == NULL)
539 return;
540
541 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
542 tb, NULL))
543 return;
544
545 if (triggers[NL80211_WOWLAN_TRIG_ANY])
546 capa->wowlan_triggers.any = 1;
547 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
548 capa->wowlan_triggers.disconnect = 1;
549 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
550 capa->wowlan_triggers.magic_pkt = 1;
551 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
552 capa->wowlan_triggers.gtk_rekey_failure = 1;
553 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
554 capa->wowlan_triggers.eap_identity_req = 1;
555 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
556 capa->wowlan_triggers.four_way_handshake = 1;
557 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
558 capa->wowlan_triggers.rfkill_release = 1;
559 }
560
561
562 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
563 struct nlattr *tb)
564 {
565 int rem = 0, i;
566 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
567
568 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
569 return;
570
571 nla_for_each_nested(attr, tb, rem) {
572 unsigned int len;
573 struct drv_nl80211_ext_capa *capa;
574
575 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
576 nla_len(attr), NULL);
577
578 if (!tb1[NL80211_ATTR_IFTYPE] ||
579 !tb1[NL80211_ATTR_EXT_CAPA] ||
580 !tb1[NL80211_ATTR_EXT_CAPA_MASK])
581 continue;
582
583 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
584 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
585 wpa_printf(MSG_DEBUG,
586 "nl80211: Driver-advertised extended capabilities for interface type %s",
587 nl80211_iftype_str(capa->iftype));
588
589 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
590 capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
591 len);
592 if (!capa->ext_capa)
593 goto err;
594
595 capa->ext_capa_len = len;
596 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
597 capa->ext_capa, capa->ext_capa_len);
598
599 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
600 capa->ext_capa_mask =
601 os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]),
602 len);
603 if (!capa->ext_capa_mask)
604 goto err;
605
606 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
607 capa->ext_capa_mask, capa->ext_capa_len);
608
609 drv->num_iface_ext_capa++;
610 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
611 break;
612 }
613
614 return;
615
616 err:
617 /* Cleanup allocated memory on error */
618 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
619 os_free(drv->iface_ext_capa[i].ext_capa);
620 drv->iface_ext_capa[i].ext_capa = NULL;
621 os_free(drv->iface_ext_capa[i].ext_capa_mask);
622 drv->iface_ext_capa[i].ext_capa_mask = NULL;
623 drv->iface_ext_capa[i].ext_capa_len = 0;
624 }
625 drv->num_iface_ext_capa = 0;
626 }
627
628
629 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
630 {
631 struct nlattr *tb[NL80211_ATTR_MAX + 1];
632 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
633 struct wiphy_info_data *info = arg;
634 struct wpa_driver_capa *capa = info->capa;
635 struct wpa_driver_nl80211_data *drv = info->drv;
636
637 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
638 genlmsg_attrlen(gnlh, 0), NULL);
639
640 if (tb[NL80211_ATTR_WIPHY])
641 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
642
643 if (tb[NL80211_ATTR_WIPHY_NAME])
644 os_strlcpy(drv->phyname,
645 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
646 sizeof(drv->phyname));
647 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
648 capa->max_scan_ssids =
649 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
650
651 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
652 capa->max_sched_scan_ssids =
653 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
654
655 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
656 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
657 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
658 capa->max_sched_scan_plans =
659 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
660
661 capa->max_sched_scan_plan_interval =
662 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
663
664 capa->max_sched_scan_plan_iterations =
665 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
666 }
667
668 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
669 capa->max_match_sets =
670 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
671
672 if (tb[NL80211_ATTR_MAC_ACL_MAX])
673 capa->max_acl_mac_addrs =
674 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
675
676 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
677 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
678 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
679 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
680
681 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
682 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
683 "off-channel TX");
684 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
685 }
686
687 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
688 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
689 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
690 }
691
692 wiphy_info_max_roc(capa,
693 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
694
695 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
696 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
697
698 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
699 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
700
701 if (tb[NL80211_ATTR_DEVICE_AP_SME])
702 info->device_ap_sme = 1;
703
704 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
705 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
706 wiphy_info_probe_resp_offload(capa,
707 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
708
709 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
710 drv->extended_capa == NULL) {
711 drv->extended_capa =
712 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
713 if (drv->extended_capa) {
714 os_memcpy(drv->extended_capa,
715 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
716 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
717 drv->extended_capa_len =
718 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
719 wpa_hexdump(MSG_DEBUG,
720 "nl80211: Driver-advertised extended capabilities (default)",
721 drv->extended_capa, drv->extended_capa_len);
722 }
723 drv->extended_capa_mask =
724 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
725 if (drv->extended_capa_mask) {
726 os_memcpy(drv->extended_capa_mask,
727 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
728 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
729 wpa_hexdump(MSG_DEBUG,
730 "nl80211: Driver-advertised extended capabilities mask (default)",
731 drv->extended_capa_mask,
732 drv->extended_capa_len);
733 } else {
734 os_free(drv->extended_capa);
735 drv->extended_capa = NULL;
736 drv->extended_capa_len = 0;
737 }
738 }
739
740 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
741
742 if (tb[NL80211_ATTR_VENDOR_DATA]) {
743 struct nlattr *nl;
744 int rem;
745
746 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
747 struct nl80211_vendor_cmd_info *vinfo;
748 if (nla_len(nl) != sizeof(*vinfo)) {
749 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
750 continue;
751 }
752 vinfo = nla_data(nl);
753 if (vinfo->vendor_id == OUI_QCA) {
754 switch (vinfo->subcmd) {
755 case QCA_NL80211_VENDOR_SUBCMD_TEST:
756 drv->vendor_cmd_test_avail = 1;
757 break;
758 #ifdef CONFIG_DRIVER_NL80211_QCA
759 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
760 drv->roaming_vendor_cmd_avail = 1;
761 break;
762 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
763 drv->dfs_vendor_cmd_avail = 1;
764 break;
765 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
766 drv->get_features_vendor_cmd_avail = 1;
767 break;
768 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
769 drv->get_pref_freq_list = 1;
770 break;
771 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
772 drv->set_prob_oper_freq = 1;
773 break;
774 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
775 drv->capa.flags |=
776 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
777 break;
778 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
779 drv->setband_vendor_cmd_avail = 1;
780 break;
781 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
782 drv->scan_vendor_cmd_avail = 1;
783 break;
784 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
785 drv->set_wifi_conf_vendor_cmd_avail = 1;
786 break;
787 case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS:
788 drv->fetch_bss_trans_status = 1;
789 break;
790 case QCA_NL80211_VENDOR_SUBCMD_ROAM:
791 drv->roam_vendor_cmd_avail = 1;
792 break;
793 case QCA_NL80211_VENDOR_SUBCMD_GET_SUPPORTED_AKMS:
794 drv->get_supported_akm_suites_avail = 1;
795 break;
796 case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE:
797 drv->add_sta_node_vendor_cmd_avail = 1;
798 break;
799 #endif /* CONFIG_DRIVER_NL80211_QCA */
800 }
801 }
802
803 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
804 vinfo->vendor_id, vinfo->subcmd);
805 }
806 }
807
808 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
809 struct nlattr *nl;
810 int rem;
811
812 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
813 struct nl80211_vendor_cmd_info *vinfo;
814 if (nla_len(nl) != sizeof(*vinfo)) {
815 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
816 continue;
817 }
818 vinfo = nla_data(nl);
819 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
820 vinfo->vendor_id, vinfo->subcmd);
821 }
822 }
823
824 wiphy_info_wowlan_triggers(capa,
825 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
826
827 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
828 capa->max_stations =
829 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
830
831 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
832 capa->max_csa_counters =
833 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
834
835 if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG])
836 capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY;
837
838 return NL_SKIP;
839 }
840
841
842 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
843 struct wiphy_info_data *info)
844 {
845 u32 feat;
846 struct nl_msg *msg;
847 int flags = 0;
848
849 os_memset(info, 0, sizeof(*info));
850 info->capa = &drv->capa;
851 info->drv = drv;
852
853 feat = get_nl80211_protocol_features(drv);
854 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
855 flags = NLM_F_DUMP;
856 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
857 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
858 nlmsg_free(msg);
859 return -1;
860 }
861
862 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
863 return -1;
864
865 if (info->auth_supported)
866 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
867 else if (!info->connect_supported) {
868 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
869 "authentication/association or connect commands");
870 info->error = 1;
871 }
872
873 if (info->p2p_go_supported && info->p2p_client_supported)
874 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
875 if (info->p2p_concurrent) {
876 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
877 "interface (driver advertised support)");
878 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
879 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
880 }
881 if (info->num_multichan_concurrent > 1) {
882 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
883 "concurrent (driver advertised support)");
884 drv->capa.num_multichan_concurrent =
885 info->num_multichan_concurrent;
886 }
887 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
888 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
889
890 /* default to 5000 since early versions of mac80211 don't set it */
891 if (!drv->capa.max_remain_on_chan)
892 drv->capa.max_remain_on_chan = 5000;
893
894 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
895
896 drv->capa.mac_addr_rand_sched_scan_supported =
897 info->mac_addr_rand_sched_scan_supported;
898 drv->capa.mac_addr_rand_scan_supported =
899 info->mac_addr_rand_scan_supported;
900
901 if (info->channel_switch_supported) {
902 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
903 if (!drv->capa.max_csa_counters)
904 drv->capa.max_csa_counters = 1;
905 }
906
907 if (!drv->capa.max_sched_scan_plans) {
908 drv->capa.max_sched_scan_plans = 1;
909 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
910 drv->capa.max_sched_scan_plan_iterations = 0;
911 }
912
913 if (info->update_ft_ies_supported)
914 drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES;
915
916 return 0;
917 }
918
919
920 #ifdef CONFIG_DRIVER_NL80211_QCA
921
922 static int dfs_info_handler(struct nl_msg *msg, void *arg)
923 {
924 struct nlattr *tb[NL80211_ATTR_MAX + 1];
925 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
926 int *dfs_capability_ptr = arg;
927
928 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
929 genlmsg_attrlen(gnlh, 0), NULL);
930
931 if (tb[NL80211_ATTR_VENDOR_DATA]) {
932 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
933 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
934
935 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
936 nla_data(nl_vend), nla_len(nl_vend), NULL);
937
938 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
939 u32 val;
940 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
941 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
942 val);
943 *dfs_capability_ptr = val;
944 }
945 }
946
947 return NL_SKIP;
948 }
949
950
951 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
952 {
953 struct nl_msg *msg;
954 int dfs_capability = 0;
955 int ret;
956
957 if (!drv->dfs_vendor_cmd_avail)
958 return;
959
960 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
961 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
962 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
963 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
964 nlmsg_free(msg);
965 return;
966 }
967
968 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
969 if (!ret && dfs_capability)
970 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
971 }
972
973
974 static unsigned int get_akm_suites_info(struct nlattr *tb)
975 {
976 int i, num;
977 unsigned int key_mgmt = 0;
978 u32 *akms;
979
980 if (!tb)
981 return 0;
982
983 num = nla_len(tb) / sizeof(u32);
984 akms = nla_data(tb);
985 for (i = 0; i < num; i++) {
986 u32 a = akms[i];
987
988 wpa_printf(MSG_DEBUG,
989 "nl80211: Supported AKM %02x-%02x-%02x:%u",
990 a >> 24, (a >> 16) & 0xff,
991 (a >> 8) & 0xff, a & 0xff);
992 switch (a) {
993 case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X:
994 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
995 WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
996 break;
997 case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X:
998 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
999 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1000 break;
1001 case RSN_AUTH_KEY_MGMT_FT_802_1X:
1002 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT;
1003 break;
1004 case RSN_AUTH_KEY_MGMT_FT_PSK:
1005 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1006 break;
1007 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B:
1008 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B;
1009 break;
1010 case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192:
1011 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1012 break;
1013 case RSN_AUTH_KEY_MGMT_OWE:
1014 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE;
1015 break;
1016 case RSN_AUTH_KEY_MGMT_DPP:
1017 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1018 break;
1019 case RSN_AUTH_KEY_MGMT_FILS_SHA256:
1020 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256;
1021 break;
1022 case RSN_AUTH_KEY_MGMT_FILS_SHA384:
1023 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
1024 break;
1025 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256:
1026 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256;
1027 break;
1028 case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384:
1029 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384;
1030 break;
1031 case RSN_AUTH_KEY_MGMT_SAE:
1032 key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE;
1033 break;
1034 }
1035 }
1036
1037 return key_mgmt;
1038 }
1039
1040
1041 static int get_akm_suites_handler(struct nl_msg *msg, void *arg)
1042 {
1043 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1044 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1045 unsigned int *key_mgmt = arg;
1046
1047 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1048 genlmsg_attrlen(gnlh, 0), NULL);
1049
1050 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1051 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1052 struct nlattr *tb_data[NL80211_ATTR_MAX + 1];
1053
1054 nla_parse(tb_data, NL80211_ATTR_MAX,
1055 nla_data(nl_vend), nla_len(nl_vend), NULL);
1056
1057 *key_mgmt =
1058 get_akm_suites_info(tb_data[NL80211_ATTR_AKM_SUITES]);
1059 }
1060
1061 return NL_SKIP;
1062 }
1063
1064
1065 static int qca_nl80211_get_akm_suites(struct wpa_driver_nl80211_data *drv)
1066 {
1067 struct nl_msg *msg;
1068 unsigned int key_mgmt = 0;
1069 int ret;
1070
1071 if (!drv->get_supported_akm_suites_avail)
1072 return -1;
1073
1074 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1075 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1076 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1077 QCA_NL80211_VENDOR_SUBCMD_GET_SUPPORTED_AKMS)) {
1078 nlmsg_free(msg);
1079 return -1;
1080 }
1081
1082 ret = send_and_recv_msgs(drv, msg, get_akm_suites_handler, &key_mgmt);
1083 if (!ret) {
1084 wpa_printf(MSG_DEBUG,
1085 "nl80211: Replace capa.key_mgmt based on driver advertised capabilities: 0x%x",
1086 key_mgmt);
1087 drv->capa.key_mgmt = key_mgmt;
1088 }
1089
1090 return ret;
1091 }
1092
1093
1094 struct features_info {
1095 u8 *flags;
1096 size_t flags_len;
1097 struct wpa_driver_capa *capa;
1098 };
1099
1100
1101 static int features_info_handler(struct nl_msg *msg, void *arg)
1102 {
1103 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1104 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1105 struct features_info *info = arg;
1106 struct nlattr *nl_vend, *attr;
1107
1108 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1109 genlmsg_attrlen(gnlh, 0), NULL);
1110
1111 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
1112 if (nl_vend) {
1113 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
1114
1115 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
1116 nla_data(nl_vend), nla_len(nl_vend), NULL);
1117
1118 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
1119 if (attr) {
1120 int len = nla_len(attr);
1121 info->flags = os_malloc(len);
1122 if (info->flags != NULL) {
1123 os_memcpy(info->flags, nla_data(attr), len);
1124 info->flags_len = len;
1125 }
1126 }
1127 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
1128 if (attr)
1129 info->capa->conc_capab = nla_get_u32(attr);
1130
1131 attr = tb_vendor[
1132 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
1133 if (attr)
1134 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
1135
1136 attr = tb_vendor[
1137 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
1138 if (attr)
1139 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
1140 }
1141
1142 return NL_SKIP;
1143 }
1144
1145
1146 static int check_feature(enum qca_wlan_vendor_features feature,
1147 struct features_info *info)
1148 {
1149 size_t idx = feature / 8;
1150
1151 return (idx < info->flags_len) &&
1152 (info->flags[idx] & BIT(feature % 8));
1153 }
1154
1155
1156 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
1157 {
1158 struct nl_msg *msg;
1159 struct features_info info;
1160 int ret;
1161
1162 if (!drv->get_features_vendor_cmd_avail)
1163 return;
1164
1165 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
1166 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
1167 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
1168 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
1169 nlmsg_free(msg);
1170 return;
1171 }
1172
1173 os_memset(&info, 0, sizeof(info));
1174 info.capa = &drv->capa;
1175 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
1176 if (ret || !info.flags)
1177 return;
1178
1179 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
1180 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
1181
1182 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
1183 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
1184
1185 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
1186 &info))
1187 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1188 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
1189 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
1190 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info))
1191 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA;
1192 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info))
1193 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP;
1194 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info))
1195 drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON;
1196 os_free(info.flags);
1197 }
1198
1199 #endif /* CONFIG_DRIVER_NL80211_QCA */
1200
1201
1202 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
1203 {
1204 struct wiphy_info_data info;
1205 if (wpa_driver_nl80211_get_info(drv, &info))
1206 return -1;
1207
1208 if (info.error)
1209 return -1;
1210
1211 drv->has_capability = 1;
1212 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1213 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1214 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1215 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1216 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1217 WPA_DRIVER_CAPA_KEY_MGMT_OWE |
1218 WPA_DRIVER_CAPA_KEY_MGMT_DPP;
1219
1220 if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
1221 WPA_DRIVER_CAPA_ENC_GCMP_256))
1222 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1223
1224 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
1225 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1226 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
1227 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
1228 WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
1229 WPA_DRIVER_CAPA_KEY_MGMT_SAE;
1230 else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
1231 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
1232 WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
1233
1234 #ifdef CONFIG_DRIVER_NL80211_QCA
1235 /* Override drv->capa.key_mgmt based on driver advertised capability
1236 * constraints, if available. */
1237 qca_nl80211_get_akm_suites(drv);
1238 #endif /* CONFIG_DRIVER_NL80211_QCA */
1239
1240 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1241 WPA_DRIVER_AUTH_SHARED |
1242 WPA_DRIVER_AUTH_LEAP;
1243
1244 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
1245 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1246 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1247
1248 /*
1249 * As all cfg80211 drivers must support cases where the AP interface is
1250 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1251 * case that the user space daemon has crashed, they must be able to
1252 * cleanup all stations and key entries in the AP tear down flow. Thus,
1253 * this flag can/should always be set for cfg80211 drivers.
1254 */
1255 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1256
1257 if (!info.device_ap_sme) {
1258 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1259
1260 /*
1261 * No AP SME is currently assumed to also indicate no AP MLME
1262 * in the driver/firmware.
1263 */
1264 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1265 }
1266
1267 drv->device_ap_sme = info.device_ap_sme;
1268 drv->poll_command_supported = info.poll_command_supported;
1269 drv->data_tx_status = info.data_tx_status;
1270 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1271 if (info.set_qos_map_supported)
1272 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1273 drv->have_low_prio_scan = info.have_low_prio_scan;
1274
1275 /*
1276 * If poll command and tx status are supported, mac80211 is new enough
1277 * to have everything we need to not need monitor interfaces.
1278 */
1279 drv->use_monitor = !info.device_ap_sme &&
1280 (!info.poll_command_supported || !info.data_tx_status);
1281
1282 /*
1283 * If we aren't going to use monitor interfaces, but the
1284 * driver doesn't support data TX status, we won't get TX
1285 * status for EAPOL frames.
1286 */
1287 if (!drv->use_monitor && !info.data_tx_status)
1288 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1289
1290 #ifdef CONFIG_DRIVER_NL80211_QCA
1291 if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD))
1292 qca_nl80211_check_dfs_capa(drv);
1293 qca_nl80211_get_features(drv);
1294
1295 /*
1296 * To enable offchannel simultaneous support in wpa_supplicant, the
1297 * underlying driver needs to support the same along with offchannel TX.
1298 * Offchannel TX support is needed since remain_on_channel and
1299 * action_tx use some common data structures and hence cannot be
1300 * scheduled simultaneously.
1301 */
1302 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1303 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1304 #endif /* CONFIG_DRIVER_NL80211_QCA */
1305
1306 return 0;
1307 }
1308
1309
1310 struct phy_info_arg {
1311 u16 *num_modes;
1312 struct hostapd_hw_modes *modes;
1313 int last_mode, last_chan_idx;
1314 int failed;
1315 u8 dfs_domain;
1316 };
1317
1318 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1319 struct nlattr *ampdu_factor,
1320 struct nlattr *ampdu_density,
1321 struct nlattr *mcs_set)
1322 {
1323 if (capa)
1324 mode->ht_capab = nla_get_u16(capa);
1325
1326 if (ampdu_factor)
1327 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1328
1329 if (ampdu_density)
1330 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1331
1332 if (mcs_set && nla_len(mcs_set) >= 16) {
1333 u8 *mcs;
1334 mcs = nla_data(mcs_set);
1335 os_memcpy(mode->mcs_set, mcs, 16);
1336 }
1337 }
1338
1339
1340 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1341 struct nlattr *capa,
1342 struct nlattr *mcs_set)
1343 {
1344 if (capa)
1345 mode->vht_capab = nla_get_u32(capa);
1346
1347 if (mcs_set && nla_len(mcs_set) >= 8) {
1348 u8 *mcs;
1349 mcs = nla_data(mcs_set);
1350 os_memcpy(mode->vht_mcs_set, mcs, 8);
1351 }
1352 }
1353
1354
1355 static int phy_info_edmg_capa(struct hostapd_hw_modes *mode,
1356 struct nlattr *bw_config,
1357 struct nlattr *channels)
1358 {
1359 if (!bw_config || !channels)
1360 return NL_OK;
1361
1362 mode->edmg.bw_config = nla_get_u8(bw_config);
1363 mode->edmg.channels = nla_get_u8(channels);
1364
1365 if (!mode->edmg.channels || !mode->edmg.bw_config)
1366 return NL_STOP;
1367
1368 return NL_OK;
1369 }
1370
1371
1372 static int cw2ecw(unsigned int cw)
1373 {
1374 int bit;
1375
1376 if (cw == 0)
1377 return 0;
1378
1379 for (bit = 1; cw != 1; bit++)
1380 cw >>= 1;
1381
1382 return bit;
1383 }
1384
1385
1386 static void phy_info_freq(struct hostapd_hw_modes *mode,
1387 struct hostapd_channel_data *chan,
1388 struct nlattr *tb_freq[])
1389 {
1390 u8 channel;
1391
1392 os_memset(chan, 0, sizeof(*chan));
1393 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1394 chan->flag = 0;
1395 chan->allowed_bw = ~0;
1396 chan->dfs_cac_ms = 0;
1397 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1398 chan->chan = channel;
1399 else
1400 wpa_printf(MSG_DEBUG,
1401 "nl80211: No channel number found for frequency %u MHz",
1402 chan->freq);
1403
1404 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1405 chan->flag |= HOSTAPD_CHAN_DISABLED;
1406 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1407 chan->flag |= HOSTAPD_CHAN_NO_IR;
1408 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1409 chan->flag |= HOSTAPD_CHAN_RADAR;
1410 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1411 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1412 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1413 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1414
1415 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
1416 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10;
1417 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
1418 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20;
1419 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
1420 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P;
1421 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
1422 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M;
1423 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
1424 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80;
1425 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
1426 chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160;
1427
1428 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1429 enum nl80211_dfs_state state =
1430 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1431
1432 switch (state) {
1433 case NL80211_DFS_USABLE:
1434 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1435 break;
1436 case NL80211_DFS_AVAILABLE:
1437 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1438 break;
1439 case NL80211_DFS_UNAVAILABLE:
1440 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1441 break;
1442 }
1443 }
1444
1445 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1446 chan->dfs_cac_ms = nla_get_u32(
1447 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1448 }
1449
1450 chan->wmm_rules_valid = 0;
1451 if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) {
1452 static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = {
1453 [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 },
1454 [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 },
1455 [NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
1456 [NL80211_WMMR_TXOP] = { .type = NLA_U16 },
1457 };
1458 static const u8 wmm_map[4] = {
1459 [NL80211_AC_BE] = WMM_AC_BE,
1460 [NL80211_AC_BK] = WMM_AC_BK,
1461 [NL80211_AC_VI] = WMM_AC_VI,
1462 [NL80211_AC_VO] = WMM_AC_VO,
1463 };
1464 struct nlattr *nl_wmm;
1465 struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
1466 int rem_wmm, ac, count = 0;
1467
1468 nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM],
1469 rem_wmm) {
1470 if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm,
1471 wmm_policy)) {
1472 wpa_printf(MSG_DEBUG,
1473 "nl80211: Failed to parse WMM rules attribute");
1474 return;
1475 }
1476 if (!tb_wmm[NL80211_WMMR_CW_MIN] ||
1477 !tb_wmm[NL80211_WMMR_CW_MAX] ||
1478 !tb_wmm[NL80211_WMMR_AIFSN] ||
1479 !tb_wmm[NL80211_WMMR_TXOP]) {
1480 wpa_printf(MSG_DEBUG,
1481 "nl80211: Channel is missing WMM rule attribute");
1482 return;
1483 }
1484 ac = nl_wmm->nla_type;
1485 if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) {
1486 wpa_printf(MSG_DEBUG,
1487 "nl80211: Invalid AC value %d", ac);
1488 return;
1489 }
1490
1491 ac = wmm_map[ac];
1492 chan->wmm_rules[ac].min_cwmin =
1493 cw2ecw(nla_get_u16(
1494 tb_wmm[NL80211_WMMR_CW_MIN]));
1495 chan->wmm_rules[ac].min_cwmax =
1496 cw2ecw(nla_get_u16(
1497 tb_wmm[NL80211_WMMR_CW_MAX]));
1498 chan->wmm_rules[ac].min_aifs =
1499 nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]);
1500 chan->wmm_rules[ac].max_txop =
1501 nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32;
1502 count++;
1503 }
1504
1505 /* Set valid flag if all the AC rules are present */
1506 if (count == WMM_AC_NUM)
1507 chan->wmm_rules_valid = 1;
1508 }
1509 }
1510
1511
1512 static int phy_info_freqs(struct phy_info_arg *phy_info,
1513 struct hostapd_hw_modes *mode, struct nlattr *tb)
1514 {
1515 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1516 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1517 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1518 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1519 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1520 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1521 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1522 [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG },
1523 [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG },
1524 [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG },
1525 [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG },
1526 [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG },
1527 [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG },
1528 };
1529 int new_channels = 0;
1530 struct hostapd_channel_data *channel;
1531 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1532 struct nlattr *nl_freq;
1533 int rem_freq, idx;
1534
1535 if (tb == NULL)
1536 return NL_OK;
1537
1538 nla_for_each_nested(nl_freq, tb, rem_freq) {
1539 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1540 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1541 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1542 continue;
1543 new_channels++;
1544 }
1545
1546 channel = os_realloc_array(mode->channels,
1547 mode->num_channels + new_channels,
1548 sizeof(struct hostapd_channel_data));
1549 if (!channel)
1550 return NL_STOP;
1551
1552 mode->channels = channel;
1553 mode->num_channels += new_channels;
1554
1555 idx = phy_info->last_chan_idx;
1556
1557 nla_for_each_nested(nl_freq, tb, rem_freq) {
1558 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1559 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1560 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1561 continue;
1562 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1563 idx++;
1564 }
1565 phy_info->last_chan_idx = idx;
1566
1567 return NL_OK;
1568 }
1569
1570
1571 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1572 {
1573 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1574 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1575 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1576 { .type = NLA_FLAG },
1577 };
1578 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1579 struct nlattr *nl_rate;
1580 int rem_rate, idx;
1581
1582 if (tb == NULL)
1583 return NL_OK;
1584
1585 nla_for_each_nested(nl_rate, tb, rem_rate) {
1586 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1587 nla_data(nl_rate), nla_len(nl_rate),
1588 rate_policy);
1589 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1590 continue;
1591 mode->num_rates++;
1592 }
1593
1594 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1595 if (!mode->rates)
1596 return NL_STOP;
1597
1598 idx = 0;
1599
1600 nla_for_each_nested(nl_rate, tb, rem_rate) {
1601 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1602 nla_data(nl_rate), nla_len(nl_rate),
1603 rate_policy);
1604 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1605 continue;
1606 mode->rates[idx] = nla_get_u32(
1607 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1608 idx++;
1609 }
1610
1611 return NL_OK;
1612 }
1613
1614
1615 static void phy_info_iftype_copy(struct he_capabilities *he_capab,
1616 enum ieee80211_op_mode opmode,
1617 struct nlattr **tb, struct nlattr **tb_flags)
1618 {
1619 enum nl80211_iftype iftype;
1620 size_t len;
1621
1622 switch (opmode) {
1623 case IEEE80211_MODE_INFRA:
1624 iftype = NL80211_IFTYPE_STATION;
1625 break;
1626 case IEEE80211_MODE_IBSS:
1627 iftype = NL80211_IFTYPE_ADHOC;
1628 break;
1629 case IEEE80211_MODE_AP:
1630 iftype = NL80211_IFTYPE_AP;
1631 break;
1632 case IEEE80211_MODE_MESH:
1633 iftype = NL80211_IFTYPE_MESH_POINT;
1634 break;
1635 default:
1636 return;
1637 }
1638
1639 if (!nla_get_flag(tb_flags[iftype]))
1640 return;
1641
1642 he_capab->he_supported = 1;
1643
1644 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
1645 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
1646
1647 if (len > sizeof(he_capab->phy_cap))
1648 len = sizeof(he_capab->phy_cap);
1649 os_memcpy(he_capab->phy_cap,
1650 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
1651 len);
1652 }
1653
1654 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
1655 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
1656
1657 if (len > sizeof(he_capab->mac_cap))
1658 len = sizeof(he_capab->mac_cap);
1659 os_memcpy(he_capab->mac_cap,
1660 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
1661 len);
1662 }
1663
1664 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
1665 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
1666
1667 if (len > sizeof(he_capab->mcs))
1668 len = sizeof(he_capab->mcs);
1669 os_memcpy(he_capab->mcs,
1670 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
1671 len);
1672 }
1673
1674 if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
1675 len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
1676
1677 if (len > sizeof(he_capab->ppet))
1678 len = sizeof(he_capab->ppet);
1679 os_memcpy(&he_capab->ppet,
1680 nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
1681 len);
1682 }
1683 }
1684
1685
1686 static int phy_info_iftype(struct hostapd_hw_modes *mode,
1687 struct nlattr *nl_iftype)
1688 {
1689 struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
1690 struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
1691 unsigned int i;
1692
1693 nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
1694 nla_data(nl_iftype), nla_len(nl_iftype), NULL);
1695
1696 if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
1697 return NL_STOP;
1698
1699 if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
1700 tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
1701 return NL_STOP;
1702
1703 for (i = 0; i < IEEE80211_MODE_NUM; i++)
1704 phy_info_iftype_copy(&mode->he_capab[i], i, tb, tb_flags);
1705
1706 return NL_OK;
1707 }
1708
1709
1710 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1711 {
1712 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1713 struct hostapd_hw_modes *mode;
1714 int ret;
1715
1716 if (phy_info->last_mode != nl_band->nla_type) {
1717 mode = os_realloc_array(phy_info->modes,
1718 *phy_info->num_modes + 1,
1719 sizeof(*mode));
1720 if (!mode) {
1721 phy_info->failed = 1;
1722 return NL_STOP;
1723 }
1724 phy_info->modes = mode;
1725
1726 mode = &phy_info->modes[*(phy_info->num_modes)];
1727 os_memset(mode, 0, sizeof(*mode));
1728 mode->mode = NUM_HOSTAPD_MODES;
1729 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1730 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1731
1732 /*
1733 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1734 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1735 * possible streams as unsupported. This will be overridden if
1736 * driver advertises VHT support.
1737 */
1738 mode->vht_mcs_set[0] = 0xff;
1739 mode->vht_mcs_set[1] = 0xff;
1740 mode->vht_mcs_set[4] = 0xff;
1741 mode->vht_mcs_set[5] = 0xff;
1742
1743 *(phy_info->num_modes) += 1;
1744 phy_info->last_mode = nl_band->nla_type;
1745 phy_info->last_chan_idx = 0;
1746 } else
1747 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1748
1749 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1750 nla_len(nl_band), NULL);
1751
1752 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1753 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1754 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1755 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1756 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1757 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1758 ret = phy_info_edmg_capa(mode,
1759 tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG],
1760 tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]);
1761 if (ret == NL_OK)
1762 ret = phy_info_freqs(phy_info, mode,
1763 tb_band[NL80211_BAND_ATTR_FREQS]);
1764 if (ret == NL_OK)
1765 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1766 if (ret != NL_OK) {
1767 phy_info->failed = 1;
1768 return ret;
1769 }
1770
1771 if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
1772 struct nlattr *nl_iftype;
1773 int rem_band;
1774
1775 nla_for_each_nested(nl_iftype,
1776 tb_band[NL80211_BAND_ATTR_IFTYPE_DATA],
1777 rem_band) {
1778 ret = phy_info_iftype(mode, nl_iftype);
1779 if (ret != NL_OK)
1780 return ret;
1781 }
1782 }
1783
1784 return NL_OK;
1785 }
1786
1787
1788 static int phy_info_handler(struct nl_msg *msg, void *arg)
1789 {
1790 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1791 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1792 struct phy_info_arg *phy_info = arg;
1793 struct nlattr *nl_band;
1794 int rem_band;
1795
1796 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1797 genlmsg_attrlen(gnlh, 0), NULL);
1798
1799 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1800 return NL_SKIP;
1801
1802 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1803 {
1804 int res = phy_info_band(phy_info, nl_band);
1805 if (res != NL_OK)
1806 return res;
1807 }
1808
1809 return NL_SKIP;
1810 }
1811
1812
1813 static struct hostapd_hw_modes *
1814 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1815 u16 *num_modes)
1816 {
1817 u16 m;
1818 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1819 int i, mode11g_idx = -1;
1820
1821 /* heuristic to set up modes */
1822 for (m = 0; m < *num_modes; m++) {
1823 if (!modes[m].num_channels)
1824 continue;
1825 if (modes[m].channels[0].freq < 4000) {
1826 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1827 for (i = 0; i < modes[m].num_rates; i++) {
1828 if (modes[m].rates[i] > 200) {
1829 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1830 break;
1831 }
1832 }
1833 } else if (modes[m].channels[0].freq > 50000)
1834 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
1835 else
1836 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
1837 }
1838
1839 /* If only 802.11g mode is included, use it to construct matching
1840 * 802.11b mode data. */
1841
1842 for (m = 0; m < *num_modes; m++) {
1843 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
1844 return modes; /* 802.11b already included */
1845 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1846 mode11g_idx = m;
1847 }
1848
1849 if (mode11g_idx < 0)
1850 return modes; /* 2.4 GHz band not supported at all */
1851
1852 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
1853 if (nmodes == NULL)
1854 return modes; /* Could not add 802.11b mode */
1855
1856 mode = &nmodes[*num_modes];
1857 os_memset(mode, 0, sizeof(*mode));
1858 (*num_modes)++;
1859 modes = nmodes;
1860
1861 mode->mode = HOSTAPD_MODE_IEEE80211B;
1862
1863 mode11g = &modes[mode11g_idx];
1864 mode->num_channels = mode11g->num_channels;
1865 mode->channels = os_memdup(mode11g->channels,
1866 mode11g->num_channels *
1867 sizeof(struct hostapd_channel_data));
1868 if (mode->channels == NULL) {
1869 (*num_modes)--;
1870 return modes; /* Could not add 802.11b mode */
1871 }
1872
1873 mode->num_rates = 0;
1874 mode->rates = os_malloc(4 * sizeof(int));
1875 if (mode->rates == NULL) {
1876 os_free(mode->channels);
1877 (*num_modes)--;
1878 return modes; /* Could not add 802.11b mode */
1879 }
1880
1881 for (i = 0; i < mode11g->num_rates; i++) {
1882 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
1883 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
1884 continue;
1885 mode->rates[mode->num_rates] = mode11g->rates[i];
1886 mode->num_rates++;
1887 if (mode->num_rates == 4)
1888 break;
1889 }
1890
1891 if (mode->num_rates == 0) {
1892 os_free(mode->channels);
1893 os_free(mode->rates);
1894 (*num_modes)--;
1895 return modes; /* No 802.11b rates */
1896 }
1897
1898 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
1899 "information");
1900
1901 return modes;
1902 }
1903
1904
1905 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
1906 int end)
1907 {
1908 int c;
1909
1910 for (c = 0; c < mode->num_channels; c++) {
1911 struct hostapd_channel_data *chan = &mode->channels[c];
1912 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
1913 chan->flag |= HOSTAPD_CHAN_HT40;
1914 }
1915 }
1916
1917
1918 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
1919 int end)
1920 {
1921 int c;
1922
1923 for (c = 0; c < mode->num_channels; c++) {
1924 struct hostapd_channel_data *chan = &mode->channels[c];
1925 if (!(chan->flag & HOSTAPD_CHAN_HT40))
1926 continue;
1927 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
1928 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
1929 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
1930 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
1931 }
1932 }
1933
1934
1935 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
1936 struct phy_info_arg *results)
1937 {
1938 u16 m;
1939
1940 for (m = 0; m < *results->num_modes; m++) {
1941 int c;
1942 struct hostapd_hw_modes *mode = &results->modes[m];
1943
1944 for (c = 0; c < mode->num_channels; c++) {
1945 struct hostapd_channel_data *chan = &mode->channels[c];
1946 if ((u32) chan->freq - 10 >= start &&
1947 (u32) chan->freq + 10 <= end)
1948 chan->max_tx_power = max_eirp;
1949 }
1950 }
1951 }
1952
1953
1954 static void nl80211_reg_rule_ht40(u32 start, u32 end,
1955 struct phy_info_arg *results)
1956 {
1957 u16 m;
1958
1959 for (m = 0; m < *results->num_modes; m++) {
1960 if (!(results->modes[m].ht_capab &
1961 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1962 continue;
1963 nl80211_set_ht40_mode(&results->modes[m], start, end);
1964 }
1965 }
1966
1967
1968 static void nl80211_reg_rule_sec(struct nlattr *tb[],
1969 struct phy_info_arg *results)
1970 {
1971 u32 start, end, max_bw;
1972 u16 m;
1973
1974 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1975 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1976 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1977 return;
1978
1979 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1980 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1981 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1982
1983 if (max_bw < 20)
1984 return;
1985
1986 for (m = 0; m < *results->num_modes; m++) {
1987 if (!(results->modes[m].ht_capab &
1988 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1989 continue;
1990 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
1991 }
1992 }
1993
1994
1995 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
1996 int end, int max_bw)
1997 {
1998 int c;
1999
2000 for (c = 0; c < mode->num_channels; c++) {
2001 struct hostapd_channel_data *chan = &mode->channels[c];
2002 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
2003 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
2004
2005 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
2006 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
2007
2008 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
2009 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
2010
2011 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
2012 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
2013
2014 if (max_bw >= 160) {
2015 if (chan->freq - 10 >= start && chan->freq + 150 <= end)
2016 chan->flag |= HOSTAPD_CHAN_VHT_10_150;
2017
2018 if (chan->freq - 30 >= start && chan->freq + 130 <= end)
2019 chan->flag |= HOSTAPD_CHAN_VHT_30_130;
2020
2021 if (chan->freq - 50 >= start && chan->freq + 110 <= end)
2022 chan->flag |= HOSTAPD_CHAN_VHT_50_110;
2023
2024 if (chan->freq - 70 >= start && chan->freq + 90 <= end)
2025 chan->flag |= HOSTAPD_CHAN_VHT_70_90;
2026
2027 if (chan->freq - 90 >= start && chan->freq + 70 <= end)
2028 chan->flag |= HOSTAPD_CHAN_VHT_90_70;
2029
2030 if (chan->freq - 110 >= start && chan->freq + 50 <= end)
2031 chan->flag |= HOSTAPD_CHAN_VHT_110_50;
2032
2033 if (chan->freq - 130 >= start && chan->freq + 30 <= end)
2034 chan->flag |= HOSTAPD_CHAN_VHT_130_30;
2035
2036 if (chan->freq - 150 >= start && chan->freq + 10 <= end)
2037 chan->flag |= HOSTAPD_CHAN_VHT_150_10;
2038 }
2039 }
2040 }
2041
2042
2043 static void nl80211_reg_rule_vht(struct nlattr *tb[],
2044 struct phy_info_arg *results)
2045 {
2046 u32 start, end, max_bw;
2047 u16 m;
2048
2049 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2050 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
2051 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
2052 return;
2053
2054 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2055 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2056 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2057
2058 if (max_bw < 80)
2059 return;
2060
2061 for (m = 0; m < *results->num_modes; m++) {
2062 if (!(results->modes[m].ht_capab &
2063 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
2064 continue;
2065 /* TODO: use a real VHT support indication */
2066 if (!results->modes[m].vht_capab)
2067 continue;
2068
2069 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
2070 }
2071 }
2072
2073
2074 static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
2075 u8 *dfs_domain)
2076 {
2077 if (region == NL80211_DFS_FCC)
2078 *dfs_domain = HOSTAPD_DFS_REGION_FCC;
2079 else if (region == NL80211_DFS_ETSI)
2080 *dfs_domain = HOSTAPD_DFS_REGION_ETSI;
2081 else if (region == NL80211_DFS_JP)
2082 *dfs_domain = HOSTAPD_DFS_REGION_JP;
2083 else
2084 *dfs_domain = 0;
2085 }
2086
2087
2088 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
2089 {
2090 switch (region) {
2091 case NL80211_DFS_UNSET:
2092 return "DFS-UNSET";
2093 case NL80211_DFS_FCC:
2094 return "DFS-FCC";
2095 case NL80211_DFS_ETSI:
2096 return "DFS-ETSI";
2097 case NL80211_DFS_JP:
2098 return "DFS-JP";
2099 default:
2100 return "DFS-invalid";
2101 }
2102 }
2103
2104
2105 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
2106 {
2107 struct phy_info_arg *results = arg;
2108 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
2109 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2110 struct nlattr *nl_rule;
2111 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
2112 int rem_rule;
2113 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2114 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
2115 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
2116 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
2117 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
2118 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
2119 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
2120 };
2121
2122 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2123 genlmsg_attrlen(gnlh, 0), NULL);
2124 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
2125 !tb_msg[NL80211_ATTR_REG_RULES]) {
2126 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
2127 "available");
2128 return NL_SKIP;
2129 }
2130
2131 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
2132 enum nl80211_dfs_regions dfs_domain;
2133 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
2134 nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
2135 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
2136 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
2137 dfs_domain_name(dfs_domain));
2138 } else {
2139 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
2140 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
2141 }
2142
2143 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2144 {
2145 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
2146 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2147 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2148 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
2149 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
2150 continue;
2151 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
2152 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
2153 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2154 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
2155 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
2156 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
2157 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
2158 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
2159
2160 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
2161 start, end, max_bw, max_eirp,
2162 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
2163 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
2164 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
2165 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
2166 "",
2167 flags & NL80211_RRF_DFS ? " (DFS)" : "",
2168 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
2169 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
2170 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
2171 if (max_bw >= 40)
2172 nl80211_reg_rule_ht40(start, end, results);
2173 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
2174 nl80211_reg_rule_max_eirp(start, end, max_eirp,
2175 results);
2176 }
2177
2178 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2179 {
2180 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2181 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2182 nl80211_reg_rule_sec(tb_rule, results);
2183 }
2184
2185 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
2186 {
2187 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
2188 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
2189 nl80211_reg_rule_vht(tb_rule, results);
2190 }
2191
2192 return NL_SKIP;
2193 }
2194
2195
2196 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
2197 struct phy_info_arg *results)
2198 {
2199 struct nl_msg *msg;
2200
2201 msg = nlmsg_alloc();
2202 if (!msg)
2203 return -ENOMEM;
2204
2205 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
2206 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
2207 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
2208 nlmsg_free(msg);
2209 return -1;
2210 }
2211 }
2212
2213 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
2214 }
2215
2216
2217 static const char * modestr(enum hostapd_hw_mode mode)
2218 {
2219 switch (mode) {
2220 case HOSTAPD_MODE_IEEE80211B:
2221 return "802.11b";
2222 case HOSTAPD_MODE_IEEE80211G:
2223 return "802.11g";
2224 case HOSTAPD_MODE_IEEE80211A:
2225 return "802.11a";
2226 case HOSTAPD_MODE_IEEE80211AD:
2227 return "802.11ad";
2228 default:
2229 return "?";
2230 }
2231 }
2232
2233
2234 static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes,
2235 u16 num_modes)
2236 {
2237 int i;
2238
2239 if (!modes)
2240 return;
2241
2242 for (i = 0; i < num_modes; i++) {
2243 struct hostapd_hw_modes *mode = &modes[i];
2244 char str[200];
2245 char *pos = str;
2246 char *end = pos + sizeof(str);
2247 int j, res;
2248
2249 for (j = 0; j < mode->num_channels; j++) {
2250 struct hostapd_channel_data *chan = &mode->channels[j];
2251
2252 res = os_snprintf(pos, end - pos, " %d%s%s%s",
2253 chan->freq,
2254 (chan->flag & HOSTAPD_CHAN_DISABLED) ?
2255 "[DISABLED]" : "",
2256 (chan->flag & HOSTAPD_CHAN_NO_IR) ?
2257 "[NO_IR]" : "",
2258 (chan->flag & HOSTAPD_CHAN_RADAR) ?
2259 "[RADAR]" : "");
2260 if (os_snprintf_error(end - pos, res))
2261 break;
2262 pos += res;
2263 }
2264
2265 *pos = '\0';
2266 wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
2267 modestr(mode->mode), str);
2268 }
2269 }
2270
2271
2272 struct hostapd_hw_modes *
2273 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
2274 u8 *dfs_domain)
2275 {
2276 u32 feat;
2277 struct i802_bss *bss = priv;
2278 struct wpa_driver_nl80211_data *drv = bss->drv;
2279 int nl_flags = 0;
2280 struct nl_msg *msg;
2281 struct phy_info_arg result = {
2282 .num_modes = num_modes,
2283 .modes = NULL,
2284 .last_mode = -1,
2285 .failed = 0,
2286 .dfs_domain = 0,
2287 };
2288
2289 *num_modes = 0;
2290 *flags = 0;
2291 *dfs_domain = 0;
2292
2293 feat = get_nl80211_protocol_features(drv);
2294 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
2295 nl_flags = NLM_F_DUMP;
2296 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
2297 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
2298 nlmsg_free(msg);
2299 return NULL;
2300 }
2301
2302 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
2303 struct hostapd_hw_modes *modes;
2304
2305 nl80211_set_regulatory_flags(drv, &result);
2306 if (result.failed) {
2307 int i;
2308
2309 for (i = 0; result.modes && i < *num_modes; i++) {
2310 os_free(result.modes[i].channels);
2311 os_free(result.modes[i].rates);
2312 }
2313 os_free(result.modes);
2314 *num_modes = 0;
2315 return NULL;
2316 }
2317
2318 *dfs_domain = result.dfs_domain;
2319
2320 modes = wpa_driver_nl80211_postprocess_modes(result.modes,
2321 num_modes);
2322 nl80211_dump_chan_list(modes, *num_modes);
2323 return modes;
2324 }
2325
2326 return NULL;
2327 }
Unnamed repository; edit this file 'description' to name the repository.