]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/drivers/driver_nl80211_capa.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Support VHT channel width change for CSA
[thirdparty/hostap.git] / src / drivers / driver_nl80211_capa.c
CommitLineData
0fafeb54
JM		 1/*
2 * Driver interaction with Linux nl80211/cfg80211 - Capabilities
399e6135 3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
0fafeb54
JM		 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_defs.h"
16#include "common/ieee802_11_common.h"
17#include "common/qca-vendor.h"
18#include "common/qca-vendor-attr.h"
19#include "driver_nl80211.h"
20
21
22static 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
38static 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)
9589a91e
JM		 45 return 0;
46
47 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) {
48 nlmsg_free(msg);
49 return 0;
50 }
0fafeb54 51
0fafeb54
JM		 52 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
53 return feat;
54
0fafeb54
JM		 55 return 0;
56}
57
58
59struct 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 monitor_supported:1;
70 unsigned int auth_supported:1;
71 unsigned int connect_supported:1;
72 unsigned int p2p_go_supported:1;
73 unsigned int p2p_client_supported:1;
abb8d08b 74 unsigned int p2p_go_ctwindow_supported:1;
0fafeb54
JM		 75 unsigned int p2p_concurrent:1;
76 unsigned int channel_switch_supported:1;
77 unsigned int set_qos_map_supported:1;
78 unsigned int have_low_prio_scan:1;
dfa87878 79 unsigned int wmm_ac_supported:1;
86056fea
IP		 80 unsigned int mac_addr_rand_scan_supported:1;
81 unsigned int mac_addr_rand_sched_scan_supported:1;
0fafeb54
JM		 82};
83
84
85static 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
102static 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 case NL80211_IFTYPE_MONITOR:
133 info->monitor_supported = 1;
134 break;
135 }
136 }
137}
138
139
140static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
141 struct nlattr *nl_combi)
142{
143 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
144 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
145 struct nlattr *nl_limit, *nl_mode;
146 int err, rem_limit, rem_mode;
147 int combination_has_p2p = 0, combination_has_mgd = 0;
148 static struct nla_policy
149 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
150 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
151 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
152 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
153 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
154 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
155 },
156 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
157 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
158 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
159 };
160
161 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
162 nl_combi, iface_combination_policy);
163 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
164 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
165 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
166 return 0; /* broken combination */
167
168 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
169 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
170
171 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
172 rem_limit) {
173 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
174 nl_limit, iface_limit_policy);
175 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
176 return 0; /* broken combination */
177
178 nla_for_each_nested(nl_mode,
179 tb_limit[NL80211_IFACE_LIMIT_TYPES],
180 rem_mode) {
181 int ift = nla_type(nl_mode);
182 if (ift == NL80211_IFTYPE_P2P_GO ||
183 ift == NL80211_IFTYPE_P2P_CLIENT)
184 combination_has_p2p = 1;
185 if (ift == NL80211_IFTYPE_STATION)
186 combination_has_mgd = 1;
187 }
188 if (combination_has_p2p && combination_has_mgd)
189 break;
190 }
191
192 if (combination_has_p2p && combination_has_mgd) {
193 unsigned int num_channels =
194 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
195
196 info->p2p_concurrent = 1;
197 if (info->num_multichan_concurrent < num_channels)
198 info->num_multichan_concurrent = num_channels;
199 }
200
201 return 0;
202}
203
204
205static void wiphy_info_iface_comb(struct wiphy_info_data *info,
206 struct nlattr *tb)
207{
208 struct nlattr *nl_combi;
209 int rem_combi;
210
211 if (tb == NULL)
212 return;
213
214 nla_for_each_nested(nl_combi, tb, rem_combi) {
215 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
216 break;
217 }
218}
219
220
221static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
222 struct nlattr *tb)
223{
224 struct nlattr *nl_cmd;
225 int i;
226
227 if (tb == NULL)
228 return;
229
230 nla_for_each_nested(nl_cmd, tb, i) {
231 switch (nla_get_u32(nl_cmd)) {
232 case NL80211_CMD_AUTHENTICATE:
233 info->auth_supported = 1;
234 break;
235 case NL80211_CMD_CONNECT:
236 info->connect_supported = 1;
237 break;
238 case NL80211_CMD_START_SCHED_SCAN:
239 info->capa->sched_scan_supported = 1;
240 break;
241 case NL80211_CMD_PROBE_CLIENT:
242 info->poll_command_supported = 1;
243 break;
244 case NL80211_CMD_CHANNEL_SWITCH:
245 info->channel_switch_supported = 1;
246 break;
247 case NL80211_CMD_SET_QOS_MAP:
248 info->set_qos_map_supported = 1;
249 break;
250 }
251 }
252}
253
254
255static 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 WLAN_CIPHER_SUITE_CCMP_256:
274 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
275 break;
276 case WLAN_CIPHER_SUITE_GCMP_256:
277 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
278 break;
279 case WLAN_CIPHER_SUITE_CCMP:
280 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
281 break;
282 case WLAN_CIPHER_SUITE_GCMP:
283 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
284 break;
285 case WLAN_CIPHER_SUITE_TKIP:
286 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
287 break;
288 case WLAN_CIPHER_SUITE_WEP104:
289 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
290 break;
291 case WLAN_CIPHER_SUITE_WEP40:
292 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
293 break;
294 case WLAN_CIPHER_SUITE_AES_CMAC:
295 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
296 break;
297 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
298 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
299 break;
300 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
301 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
302 break;
303 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
304 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
305 break;
306 case WLAN_CIPHER_SUITE_NO_GROUP_ADDR:
307 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
308 break;
309 }
310 }
311}
312
313
314static 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
322static 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
4acdc48a
JD		 338static 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
351static 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
356 if (tb == NULL)
357 return;
358
359 if (ext_feature_isset(nla_data(tb), nla_len(tb),
360 NL80211_EXT_FEATURE_VHT_IBSS))
361 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
362}
363
364
0fafeb54
JM		 365static void wiphy_info_feature_flags(struct wiphy_info_data *info,
366 struct nlattr *tb)
367{
368 u32 flags;
369 struct wpa_driver_capa *capa = info->capa;
370
371 if (tb == NULL)
372 return;
373
374 flags = nla_get_u32(tb);
375
376 if (flags & NL80211_FEATURE_SK_TX_STATUS)
377 info->data_tx_status = 1;
378
379 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
380 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
381
382 if (flags & NL80211_FEATURE_SAE)
383 capa->flags |= WPA_DRIVER_FLAGS_SAE;
384
385 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
386 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
387
388 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
389 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
390
4daa5729
AN		 391 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
392 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
393 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
394 }
395
abb8d08b
EP		 396 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
397 info->p2p_go_ctwindow_supported = 1;
398
0fafeb54
JM		 399 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
400 info->have_low_prio_scan = 1;
401
86056fea
IP		 402 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
403 info->mac_addr_rand_scan_supported = 1;
404
405 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
406 info->mac_addr_rand_sched_scan_supported = 1;
407
0fafeb54
JM		 408 if (flags & NL80211_FEATURE_STATIC_SMPS)
409 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC;
410
411 if (flags & NL80211_FEATURE_DYNAMIC_SMPS)
412 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC;
dfa87878
MB		 413
414 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
415 info->wmm_ac_supported = 1;
58162adf
AK		 416
417 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
418 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
419
420 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
421 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
422
423 if (flags & NL80211_FEATURE_QUIET)
424 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
425
426 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
427 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
1830817e
JD		 428
429 if (flags & NL80211_FEATURE_HT_IBSS)
430 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
0fafeb54
JM		 431}
432
433
434static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
435 struct nlattr *tb)
436{
437 u32 protocols;
438
439 if (tb == NULL)
440 return;
441
442 protocols = nla_get_u32(tb);
443 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
444 "mode");
445 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
446 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
447}
448
449
450static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
451 struct nlattr *tb)
452{
453 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
454
455 if (tb == NULL)
456 return;
457
458 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
459 tb, NULL))
460 return;
461
462 if (triggers[NL80211_WOWLAN_TRIG_ANY])
463 capa->wowlan_triggers.any = 1;
464 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
465 capa->wowlan_triggers.disconnect = 1;
466 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
467 capa->wowlan_triggers.magic_pkt = 1;
468 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
469 capa->wowlan_triggers.gtk_rekey_failure = 1;
470 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
471 capa->wowlan_triggers.eap_identity_req = 1;
472 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
473 capa->wowlan_triggers.four_way_handshake = 1;
474 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
475 capa->wowlan_triggers.rfkill_release = 1;
476}
477
478
479static int wiphy_info_handler(struct nl_msg *msg, void *arg)
480{
481 struct nlattr *tb[NL80211_ATTR_MAX + 1];
482 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
483 struct wiphy_info_data *info = arg;
484 struct wpa_driver_capa *capa = info->capa;
485 struct wpa_driver_nl80211_data *drv = info->drv;
486
487 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
488 genlmsg_attrlen(gnlh, 0), NULL);
489
490 if (tb[NL80211_ATTR_WIPHY_NAME])
491 os_strlcpy(drv->phyname,
492 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
493 sizeof(drv->phyname));
494 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
495 capa->max_scan_ssids =
496 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
497
498 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
499 capa->max_sched_scan_ssids =
500 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
501
502 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
503 capa->max_match_sets =
504 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
505
506 if (tb[NL80211_ATTR_MAC_ACL_MAX])
507 capa->max_acl_mac_addrs =
508 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
509
510 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
511 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
512 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
513 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
514
515 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
516 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
517 "off-channel TX");
518 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
519 }
520
521 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
522 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
523 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
524 }
525
526 wiphy_info_max_roc(capa,
527 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
528
529 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
530 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
531
532 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
533 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
534
535 if (tb[NL80211_ATTR_DEVICE_AP_SME])
536 info->device_ap_sme = 1;
537
538 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
4acdc48a 539 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
0fafeb54
JM		 540 wiphy_info_probe_resp_offload(capa,
541 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
542
543 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
544 drv->extended_capa == NULL) {
545 drv->extended_capa =
546 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
547 if (drv->extended_capa) {
548 os_memcpy(drv->extended_capa,
549 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
550 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
551 drv->extended_capa_len =
552 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
553 }
554 drv->extended_capa_mask =
7b7b4449 555 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
0fafeb54
JM		 556 if (drv->extended_capa_mask) {
557 os_memcpy(drv->extended_capa_mask,
7b7b4449
LC		 558 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
559 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
0fafeb54
JM		 560 } else {
561 os_free(drv->extended_capa);
562 drv->extended_capa = NULL;
563 drv->extended_capa_len = 0;
564 }
565 }
566
567 if (tb[NL80211_ATTR_VENDOR_DATA]) {
568 struct nlattr *nl;
569 int rem;
570
571 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
572 struct nl80211_vendor_cmd_info *vinfo;
573 if (nla_len(nl) != sizeof(*vinfo)) {
574 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
575 continue;
576 }
577 vinfo = nla_data(nl);
5f9c92f8
ZK		 578 if (vinfo->vendor_id == OUI_QCA) {
579 switch (vinfo->subcmd) {
580 case QCA_NL80211_VENDOR_SUBCMD_TEST:
581 drv->vendor_cmd_test_avail = 1;
582 break;
b658547d 583#ifdef CONFIG_DRIVER_NL80211_QCA
5f9c92f8
ZK		 584 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
585 drv->roaming_vendor_cmd_avail = 1;
586 break;
587 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
588 drv->dfs_vendor_cmd_avail = 1;
589 break;
590 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
591 drv->get_features_vendor_cmd_avail = 1;
592 break;
98342208
AK		 593 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
594 drv->get_pref_freq_list = 1;
595 break;
7c813acf
AK		 596 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
597 drv->set_prob_oper_freq = 1;
598 break;
5f9c92f8
ZK		 599 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
600 drv->capa.flags |=
601 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
602 break;
844dfeb8
SD		 603 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
604 drv->setband_vendor_cmd_avail = 1;
605 break;
f22a080c
KV		 606 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
607 drv->scan_vendor_cmd_avail = 1;
608 break;
b658547d 609#endif /* CONFIG_DRIVER_NL80211_QCA */
5f9c92f8 610 }
0fafeb54
JM		 611 }
612
613 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
614 vinfo->vendor_id, vinfo->subcmd);
615 }
616 }
617
618 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
619 struct nlattr *nl;
620 int rem;
621
622 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
623 struct nl80211_vendor_cmd_info *vinfo;
624 if (nla_len(nl) != sizeof(*vinfo)) {
625 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
626 continue;
627 }
628 vinfo = nla_data(nl);
0fafeb54
JM		 629 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
630 vinfo->vendor_id, vinfo->subcmd);
631 }
632 }
633
634 wiphy_info_wowlan_triggers(capa,
635 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
636
637 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
638 capa->max_stations =
639 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
640
641 return NL_SKIP;
642}
643
644
645static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
646 struct wiphy_info_data *info)
647{
648 u32 feat;
649 struct nl_msg *msg;
9589a91e 650 int flags = 0;
0fafeb54
JM		 651
652 os_memset(info, 0, sizeof(*info));
653 info->capa = &drv->capa;
654 info->drv = drv;
655
0fafeb54
JM		 656 feat = get_nl80211_protocol_features(drv);
657 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
9589a91e 658 flags = NLM_F_DUMP;
56f77852
JM		 659 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
660 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
9589a91e
JM		 661 nlmsg_free(msg);
662 return -1;
663 }
0fafeb54
JM		 664
665 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
666 return -1;
667
668 if (info->auth_supported)
669 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
670 else if (!info->connect_supported) {
671 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
672 "authentication/association or connect commands");
673 info->error = 1;
674 }
675
676 if (info->p2p_go_supported && info->p2p_client_supported)
677 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
678 if (info->p2p_concurrent) {
679 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
680 "interface (driver advertised support)");
681 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
682 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
683 }
684 if (info->num_multichan_concurrent > 1) {
685 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
686 "concurrent (driver advertised support)");
687 drv->capa.num_multichan_concurrent =
688 info->num_multichan_concurrent;
689 }
690 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
691 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
692
693 /* default to 5000 since early versions of mac80211 don't set it */
694 if (!drv->capa.max_remain_on_chan)
695 drv->capa.max_remain_on_chan = 5000;
696
697 if (info->channel_switch_supported)
698 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
dfa87878 699 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
0fafeb54 700
86056fea
IP		 701 drv->capa.mac_addr_rand_sched_scan_supported =
702 info->mac_addr_rand_sched_scan_supported;
703 drv->capa.mac_addr_rand_scan_supported =
704 info->mac_addr_rand_scan_supported;
705
0fafeb54 706 return 0;
0fafeb54
JM		 707}
708
709
b658547d
JM		 710#ifdef CONFIG_DRIVER_NL80211_QCA
711
0fafeb54
JM		 712static int dfs_info_handler(struct nl_msg *msg, void *arg)
713{
714 struct nlattr *tb[NL80211_ATTR_MAX + 1];
715 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
716 int *dfs_capability_ptr = arg;
717
718 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
719 genlmsg_attrlen(gnlh, 0), NULL);
720
721 if (tb[NL80211_ATTR_VENDOR_DATA]) {
722 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
723 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
724
725 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
726 nla_data(nl_vend), nla_len(nl_vend), NULL);
727
728 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
729 u32 val;
730 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
731 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
732 val);
733 *dfs_capability_ptr = val;
734 }
735 }
736
737 return NL_SKIP;
738}
739
740
741static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
742{
743 struct nl_msg *msg;
744 int dfs_capability = 0;
745 int ret;
746
747 if (!drv->dfs_vendor_cmd_avail)
748 return;
749
9725b784 750 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9589a91e
JM		 751 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
752 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
753 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
754 nlmsg_free(msg);
755 return;
756 }
0fafeb54
JM		 757
758 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
759 if (!ret && dfs_capability)
760 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
0fafeb54
JM		 761}
762
763
15badebd
CL		 764struct features_info {
765 u8 *flags;
766 size_t flags_len;
079a28f7 767 struct wpa_driver_capa *capa;
15badebd
CL		 768};
769
770
771static int features_info_handler(struct nl_msg *msg, void *arg)
772{
773 struct nlattr *tb[NL80211_ATTR_MAX + 1];
774 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
775 struct features_info *info = arg;
776 struct nlattr *nl_vend, *attr;
777
778 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
779 genlmsg_attrlen(gnlh, 0), NULL);
780
781 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
782 if (nl_vend) {
783 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
784
785 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
786 nla_data(nl_vend), nla_len(nl_vend), NULL);
787
788 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
789 if (attr) {
790 info->flags = nla_data(attr);
791 info->flags_len = nla_len(attr);
792 }
079a28f7
AK		 793 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
794 if (attr)
795 info->capa->conc_capab = nla_get_u32(attr);
796
797 attr = tb_vendor[
798 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
799 if (attr)
800 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
801
802 attr = tb_vendor[
803 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
804 if (attr)
805 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
15badebd
CL		 806 }
807
808 return NL_SKIP;
809}
810
811
812static int check_feature(enum qca_wlan_vendor_features feature,
813 struct features_info *info)
814{
49e3eea8 815 size_t idx = feature / 8;
15badebd 816
49e3eea8
JM		 817 return (idx < info->flags_len) &&
818 (info->flags[idx] & BIT(feature % 8));
15badebd
CL		 819}
820
821
822static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
823{
824 struct nl_msg *msg;
825 struct features_info info;
826 int ret;
827
828 if (!drv->get_features_vendor_cmd_avail)
829 return;
830
831 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
832 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
833 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
834 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
835 nlmsg_free(msg);
836 return;
837 }
838
839 os_memset(&info, 0, sizeof(info));
079a28f7 840 info.capa = &drv->capa;
15badebd
CL		 841 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
842 if (ret || !info.flags)
843 return;
844
845 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
846 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
3784c058
PX		 847
848 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
849 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
8e509745
KV		 850
851 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
852 &info))
853 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
15badebd
CL		 854}
855
b658547d
JM		 856#endif /* CONFIG_DRIVER_NL80211_QCA */
857
15badebd 858
0fafeb54
JM		 859int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
860{
861 struct wiphy_info_data info;
862 if (wpa_driver_nl80211_get_info(drv, &info))
863 return -1;
864
865 if (info.error)
866 return -1;
867
868 drv->has_capability = 1;
869 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
870 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
871 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
399e6135
JM		 872 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
873 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
874 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
0fafeb54
JM		 875 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
876 WPA_DRIVER_AUTH_SHARED |
877 WPA_DRIVER_AUTH_LEAP;
878
879 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
880 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
881 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
882
883 /*
884 * As all cfg80211 drivers must support cases where the AP interface is
885 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
886 * case that the user space daemon has crashed, they must be able to
887 * cleanup all stations and key entries in the AP tear down flow. Thus,
888 * this flag can/should always be set for cfg80211 drivers.
889 */
890 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
891
892 if (!info.device_ap_sme) {
893 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
894
895 /*
896 * No AP SME is currently assumed to also indicate no AP MLME
897 * in the driver/firmware.
898 */
899 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
900 }
901
902 drv->device_ap_sme = info.device_ap_sme;
903 drv->poll_command_supported = info.poll_command_supported;
904 drv->data_tx_status = info.data_tx_status;
abb8d08b 905 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
0fafeb54
JM		 906 if (info.set_qos_map_supported)
907 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
908 drv->have_low_prio_scan = info.have_low_prio_scan;
909
910 /*
911 * If poll command and tx status are supported, mac80211 is new enough
912 * to have everything we need to not need monitor interfaces.
913 */
914 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
915
916 if (drv->device_ap_sme && drv->use_monitor) {
917 /*
918 * Non-mac80211 drivers may not support monitor interface.
919 * Make sure we do not get stuck with incorrect capability here
920 * by explicitly testing this.
921 */
922 if (!info.monitor_supported) {
923 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
924 "with device_ap_sme since no monitor mode "
925 "support detected");
926 drv->use_monitor = 0;
927 }
928 }
929
930 /*
931 * If we aren't going to use monitor interfaces, but the
932 * driver doesn't support data TX status, we won't get TX
933 * status for EAPOL frames.
934 */
935 if (!drv->use_monitor && !info.data_tx_status)
936 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
937
b658547d 938#ifdef CONFIG_DRIVER_NL80211_QCA
0fafeb54 939 qca_nl80211_check_dfs_capa(drv);
15badebd 940 qca_nl80211_get_features(drv);
0fafeb54 941
8e509745
KV		 942 /*
943 * To enable offchannel simultaneous support in wpa_supplicant, the
944 * underlying driver needs to support the same along with offchannel TX.
945 * Offchannel TX support is needed since remain_on_channel and
946 * action_tx use some common data structures and hence cannot be
947 * scheduled simultaneously.
948 */
949 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
950 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
b658547d 951#endif /* CONFIG_DRIVER_NL80211_QCA */
8e509745 952
0fafeb54
JM		 953 return 0;
954}
955
956
957struct phy_info_arg {
958 u16 *num_modes;
959 struct hostapd_hw_modes *modes;
960 int last_mode, last_chan_idx;
961};
962
963static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
964 struct nlattr *ampdu_factor,
965 struct nlattr *ampdu_density,
966 struct nlattr *mcs_set)
967{
968 if (capa)
969 mode->ht_capab = nla_get_u16(capa);
970
971 if (ampdu_factor)
972 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
973
974 if (ampdu_density)
975 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
976
977 if (mcs_set && nla_len(mcs_set) >= 16) {
978 u8 *mcs;
979 mcs = nla_data(mcs_set);
980 os_memcpy(mode->mcs_set, mcs, 16);
981 }
982}
983
984
985static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
986 struct nlattr *capa,
987 struct nlattr *mcs_set)
988{
989 if (capa)
990 mode->vht_capab = nla_get_u32(capa);
991
992 if (mcs_set && nla_len(mcs_set) >= 8) {
993 u8 *mcs;
994 mcs = nla_data(mcs_set);
995 os_memcpy(mode->vht_mcs_set, mcs, 8);
996 }
997}
998
999
1000static void phy_info_freq(struct hostapd_hw_modes *mode,
1001 struct hostapd_channel_data *chan,
1002 struct nlattr *tb_freq[])
1003{
1004 u8 channel;
1005 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1006 chan->flag = 0;
1007 chan->dfs_cac_ms = 0;
1008 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1009 chan->chan = channel;
1010
1011 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1012 chan->flag |= HOSTAPD_CHAN_DISABLED;
1013 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1014 chan->flag |= HOSTAPD_CHAN_NO_IR;
1015 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1016 chan->flag |= HOSTAPD_CHAN_RADAR;
1017 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1018 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1019 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1020 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1021
1022 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1023 enum nl80211_dfs_state state =
1024 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1025
1026 switch (state) {
1027 case NL80211_DFS_USABLE:
1028 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1029 break;
1030 case NL80211_DFS_AVAILABLE:
1031 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1032 break;
1033 case NL80211_DFS_UNAVAILABLE:
1034 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1035 break;
1036 }
1037 }
1038
1039 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1040 chan->dfs_cac_ms = nla_get_u32(
1041 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1042 }
1043}
1044
1045
1046static int phy_info_freqs(struct phy_info_arg *phy_info,
1047 struct hostapd_hw_modes *mode, struct nlattr *tb)
1048{
1049 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1050 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1051 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1052 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1053 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1054 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1055 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1056 };
1057 int new_channels = 0;
1058 struct hostapd_channel_data *channel;
1059 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1060 struct nlattr *nl_freq;
1061 int rem_freq, idx;
1062
1063 if (tb == NULL)
1064 return NL_OK;
1065
1066 nla_for_each_nested(nl_freq, tb, rem_freq) {
1067 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1068 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1069 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1070 continue;
1071 new_channels++;
1072 }
1073
1074 channel = os_realloc_array(mode->channels,
1075 mode->num_channels + new_channels,
1076 sizeof(struct hostapd_channel_data));
1077 if (!channel)
1078 return NL_SKIP;
1079
1080 mode->channels = channel;
1081 mode->num_channels += new_channels;
1082
1083 idx = phy_info->last_chan_idx;
1084
1085 nla_for_each_nested(nl_freq, tb, rem_freq) {
1086 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1087 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1088 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1089 continue;
1090 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1091 idx++;
1092 }
1093 phy_info->last_chan_idx = idx;
1094
1095 return NL_OK;
1096}
1097
1098
1099static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1100{
1101 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1102 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1103 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1104 { .type = NLA_FLAG },
1105 };
1106 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1107 struct nlattr *nl_rate;
1108 int rem_rate, idx;
1109
1110 if (tb == NULL)
1111 return NL_OK;
1112
1113 nla_for_each_nested(nl_rate, tb, rem_rate) {
1114 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1115 nla_data(nl_rate), nla_len(nl_rate),
1116 rate_policy);
1117 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1118 continue;
1119 mode->num_rates++;
1120 }
1121
1122 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1123 if (!mode->rates)
1124 return NL_SKIP;
1125
1126 idx = 0;
1127
1128 nla_for_each_nested(nl_rate, tb, rem_rate) {
1129 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1130 nla_data(nl_rate), nla_len(nl_rate),
1131 rate_policy);
1132 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1133 continue;
1134 mode->rates[idx] = nla_get_u32(
1135 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1136 idx++;
1137 }
1138
1139 return NL_OK;
1140}
1141
1142
1143static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1144{
1145 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1146 struct hostapd_hw_modes *mode;
1147 int ret;
1148
1149 if (phy_info->last_mode != nl_band->nla_type) {
1150 mode = os_realloc_array(phy_info->modes,
1151 *phy_info->num_modes + 1,
1152 sizeof(*mode));
1153 if (!mode)
1154 return NL_SKIP;
1155 phy_info->modes = mode;
1156
1157 mode = &phy_info->modes[*(phy_info->num_modes)];
1158 os_memset(mode, 0, sizeof(*mode));
1159 mode->mode = NUM_HOSTAPD_MODES;
1160 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1161 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1162
1163 /*
1164 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1165 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1166 * possible streams as unsupported. This will be overridden if
1167 * driver advertises VHT support.
1168 */
1169 mode->vht_mcs_set[0] = 0xff;
1170 mode->vht_mcs_set[1] = 0xff;
1171 mode->vht_mcs_set[4] = 0xff;
1172 mode->vht_mcs_set[5] = 0xff;
1173
1174 *(phy_info->num_modes) += 1;
1175 phy_info->last_mode = nl_band->nla_type;
1176 phy_info->last_chan_idx = 0;
1177 } else
1178 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1179
1180 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1181 nla_len(nl_band), NULL);
1182
1183 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1184 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1185 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1186 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1187 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1188 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1189 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
1190 if (ret != NL_OK)
1191 return ret;
1192 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1193 if (ret != NL_OK)
1194 return ret;
1195
1196 return NL_OK;
1197}
1198
1199
1200static int phy_info_handler(struct nl_msg *msg, void *arg)
1201{
1202 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1203 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1204 struct phy_info_arg *phy_info = arg;
1205 struct nlattr *nl_band;
1206 int rem_band;
1207
1208 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1209 genlmsg_attrlen(gnlh, 0), NULL);
1210
1211 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1212 return NL_SKIP;
1213
1214 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1215 {
1216 int res = phy_info_band(phy_info, nl_band);
1217 if (res != NL_OK)
1218 return res;
1219 }
1220
1221 return NL_SKIP;
1222}
1223
1224
1225static struct hostapd_hw_modes *
1226wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1227 u16 *num_modes)
1228{
1229 u16 m;
1230 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1231 int i, mode11g_idx = -1;
1232
1233 /* heuristic to set up modes */
1234 for (m = 0; m < *num_modes; m++) {
1235 if (!modes[m].num_channels)
1236 continue;
1237 if (modes[m].channels[0].freq < 4000) {
1238 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1239 for (i = 0; i < modes[m].num_rates; i++) {
1240 if (modes[m].rates[i] > 200) {
1241 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1242 break;
1243 }
1244 }
1245 } else if (modes[m].channels[0].freq > 50000)
1246 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
1247 else
1248 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
1249 }
1250
1251 /* If only 802.11g mode is included, use it to construct matching
1252 * 802.11b mode data. */
1253
1254 for (m = 0; m < *num_modes; m++) {
1255 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
1256 return modes; /* 802.11b already included */
1257 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1258 mode11g_idx = m;
1259 }
1260
1261 if (mode11g_idx < 0)
1262 return modes; /* 2.4 GHz band not supported at all */
1263
1264 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
1265 if (nmodes == NULL)
1266 return modes; /* Could not add 802.11b mode */
1267
1268 mode = &nmodes[*num_modes];
1269 os_memset(mode, 0, sizeof(*mode));
1270 (*num_modes)++;
1271 modes = nmodes;
1272
1273 mode->mode = HOSTAPD_MODE_IEEE80211B;
1274
1275 mode11g = &modes[mode11g_idx];
1276 mode->num_channels = mode11g->num_channels;
1277 mode->channels = os_malloc(mode11g->num_channels *
1278 sizeof(struct hostapd_channel_data));
1279 if (mode->channels == NULL) {
1280 (*num_modes)--;
1281 return modes; /* Could not add 802.11b mode */
1282 }
1283 os_memcpy(mode->channels, mode11g->channels,
1284 mode11g->num_channels * sizeof(struct hostapd_channel_data));
1285
1286 mode->num_rates = 0;
1287 mode->rates = os_malloc(4 * sizeof(int));
1288 if (mode->rates == NULL) {
1289 os_free(mode->channels);
1290 (*num_modes)--;
1291 return modes; /* Could not add 802.11b mode */
1292 }
1293
1294 for (i = 0; i < mode11g->num_rates; i++) {
1295 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
1296 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
1297 continue;
1298 mode->rates[mode->num_rates] = mode11g->rates[i];
1299 mode->num_rates++;
1300 if (mode->num_rates == 4)
1301 break;
1302 }
1303
1304 if (mode->num_rates == 0) {
1305 os_free(mode->channels);
1306 os_free(mode->rates);
1307 (*num_modes)--;
1308 return modes; /* No 802.11b rates */
1309 }
1310
1311 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
1312 "information");
1313
1314 return modes;
1315}
1316
1317
1318static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
1319 int end)
1320{
1321 int c;
1322
1323 for (c = 0; c < mode->num_channels; c++) {
1324 struct hostapd_channel_data *chan = &mode->channels[c];
1325 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
1326 chan->flag |= HOSTAPD_CHAN_HT40;
1327 }
1328}
1329
1330
1331static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
1332 int end)
1333{
1334 int c;
1335
1336 for (c = 0; c < mode->num_channels; c++) {
1337 struct hostapd_channel_data *chan = &mode->channels[c];
1338 if (!(chan->flag & HOSTAPD_CHAN_HT40))
1339 continue;
1340 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
1341 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
1342 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
1343 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
1344 }
1345}
1346
1347
1348static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
1349 struct phy_info_arg *results)
1350{
1351 u16 m;
1352
1353 for (m = 0; m < *results->num_modes; m++) {
1354 int c;
1355 struct hostapd_hw_modes *mode = &results->modes[m];
1356
1357 for (c = 0; c < mode->num_channels; c++) {
1358 struct hostapd_channel_data *chan = &mode->channels[c];
1359 if ((u32) chan->freq - 10 >= start &&
1360 (u32) chan->freq + 10 <= end)
1361 chan->max_tx_power = max_eirp;
1362 }
1363 }
1364}
1365
1366
1367static void nl80211_reg_rule_ht40(u32 start, u32 end,
1368 struct phy_info_arg *results)
1369{
1370 u16 m;
1371
1372 for (m = 0; m < *results->num_modes; m++) {
1373 if (!(results->modes[m].ht_capab &
1374 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1375 continue;
1376 nl80211_set_ht40_mode(&results->modes[m], start, end);
1377 }
1378}
1379
1380
1381static void nl80211_reg_rule_sec(struct nlattr *tb[],
1382 struct phy_info_arg *results)
1383{
1384 u32 start, end, max_bw;
1385 u16 m;
1386
1387 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1388 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1389 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1390 return;
1391
1392 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1393 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1394 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1395
1396 if (max_bw < 20)
1397 return;
1398
1399 for (m = 0; m < *results->num_modes; m++) {
1400 if (!(results->modes[m].ht_capab &
1401 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1402 continue;
1403 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
1404 }
1405}
1406
1407
1408static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
1409 int end)
1410{
1411 int c;
1412
1413 for (c = 0; c < mode->num_channels; c++) {
1414 struct hostapd_channel_data *chan = &mode->channels[c];
1415 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
1416 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
1417
1418 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
1419 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
1420
1421 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
1422 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
1423
1424 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
1425 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
1426 }
1427}
1428
1429
1430static void nl80211_reg_rule_vht(struct nlattr *tb[],
1431 struct phy_info_arg *results)
1432{
1433 u32 start, end, max_bw;
1434 u16 m;
1435
1436 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1437 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1438 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1439 return;
1440
1441 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1442 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1443 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1444
1445 if (max_bw < 80)
1446 return;
1447
1448 for (m = 0; m < *results->num_modes; m++) {
1449 if (!(results->modes[m].ht_capab &
1450 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1451 continue;
1452 /* TODO: use a real VHT support indication */
1453 if (!results->modes[m].vht_capab)
1454 continue;
1455
1456 nl80211_set_vht_mode(&results->modes[m], start, end);
1457 }
1458}
1459
1460
1461static const char * dfs_domain_name(enum nl80211_dfs_regions region)
1462{
1463 switch (region) {
1464 case NL80211_DFS_UNSET:
1465 return "DFS-UNSET";
1466 case NL80211_DFS_FCC:
1467 return "DFS-FCC";
1468 case NL80211_DFS_ETSI:
1469 return "DFS-ETSI";
1470 case NL80211_DFS_JP:
1471 return "DFS-JP";
1472 default:
1473 return "DFS-invalid";
1474 }
1475}
1476
1477
1478static int nl80211_get_reg(struct nl_msg *msg, void *arg)
1479{
1480 struct phy_info_arg *results = arg;
1481 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1482 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1483 struct nlattr *nl_rule;
1484 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
1485 int rem_rule;
1486 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1487 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1488 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1489 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1490 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1491 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1492 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1493 };
1494
1495 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1496 genlmsg_attrlen(gnlh, 0), NULL);
1497 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
1498 !tb_msg[NL80211_ATTR_REG_RULES]) {
1499 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
1500 "available");
1501 return NL_SKIP;
1502 }
1503
1504 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
1505 enum nl80211_dfs_regions dfs_domain;
1506 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
1507 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
1508 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
1509 dfs_domain_name(dfs_domain));
1510 } else {
1511 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
1512 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
1513 }
1514
1515 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1516 {
1517 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
1518 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1519 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1520 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1521 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
1522 continue;
1523 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1524 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1525 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1526 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
1527 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1528 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1529 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
1530 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
1531
1532 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
1533 start, end, max_bw, max_eirp,
1534 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
1535 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
1536 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
1537 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
1538 "",
1539 flags & NL80211_RRF_DFS ? " (DFS)" : "",
1540 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
1541 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
1542 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
1543 if (max_bw >= 40)
1544 nl80211_reg_rule_ht40(start, end, results);
1545 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1546 nl80211_reg_rule_max_eirp(start, end, max_eirp,
1547 results);
1548 }
1549
1550 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1551 {
1552 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1553 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1554 nl80211_reg_rule_sec(tb_rule, results);
1555 }
1556
1557 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1558 {
1559 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1560 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1561 nl80211_reg_rule_vht(tb_rule, results);
1562 }
1563
1564 return NL_SKIP;
1565}
1566
1567
1568static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
1569 struct phy_info_arg *results)
1570{
1571 struct nl_msg *msg;
1572
1573 msg = nlmsg_alloc();
1574 if (!msg)
1575 return -ENOMEM;
1576
1577 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1578 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
1579}
1580
1581
1582struct hostapd_hw_modes *
1583nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
1584{
1585 u32 feat;
1586 struct i802_bss *bss = priv;
1587 struct wpa_driver_nl80211_data *drv = bss->drv;
9589a91e 1588 int nl_flags = 0;
0fafeb54
JM		 1589 struct nl_msg *msg;
1590 struct phy_info_arg result = {
1591 .num_modes = num_modes,
1592 .modes = NULL,
1593 .last_mode = -1,
1594 };
1595
1596 *num_modes = 0;
1597 *flags = 0;
1598
0fafeb54
JM		 1599 feat = get_nl80211_protocol_features(drv);
1600 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
9589a91e 1601 nl_flags = NLM_F_DUMP;
56f77852
JM		 1602 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
1603 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
9589a91e
JM		 1604 nlmsg_free(msg);
1605 return NULL;
1606 }
0fafeb54
JM		 1607
1608 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
1609 nl80211_set_regulatory_flags(drv, &result);
1610 return wpa_driver_nl80211_postprocess_modes(result.modes,
1611 num_modes);
1612 }
9589a91e 1613
0fafeb54
JM		 1614 return NULL;
1615}
Unnamed repository; edit this file 'description' to name the repository.