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nl80211: Use extended capabilities per interface type
[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;
b5d172e5
BL		 355 u8 *ext_features;
356 int len;
4acdc48a
JD		 357
358 if (tb == NULL)
359 return;
360
b5d172e5
BL		 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))
4acdc48a 365 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
b5d172e5
BL		 366
367 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
368 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
4acdc48a
JD		 369}
370
371
0fafeb54
JM		 372static void wiphy_info_feature_flags(struct wiphy_info_data *info,
373 struct nlattr *tb)
374{
375 u32 flags;
376 struct wpa_driver_capa *capa = info->capa;
377
378 if (tb == NULL)
379 return;
380
381 flags = nla_get_u32(tb);
382
383 if (flags & NL80211_FEATURE_SK_TX_STATUS)
384 info->data_tx_status = 1;
385
386 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
387 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
388
389 if (flags & NL80211_FEATURE_SAE)
390 capa->flags |= WPA_DRIVER_FLAGS_SAE;
391
392 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
393 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
394
395 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
396 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
397
4daa5729
AN		 398 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
399 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
400 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
401 }
402
abb8d08b
EP		 403 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
404 info->p2p_go_ctwindow_supported = 1;
405
0fafeb54
JM		 406 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
407 info->have_low_prio_scan = 1;
408
86056fea
IP		 409 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
410 info->mac_addr_rand_scan_supported = 1;
411
412 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
413 info->mac_addr_rand_sched_scan_supported = 1;
414
0fafeb54
JM		 415 if (flags & NL80211_FEATURE_STATIC_SMPS)
416 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC;
417
418 if (flags & NL80211_FEATURE_DYNAMIC_SMPS)
419 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC;
dfa87878
MB		 420
421 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
422 info->wmm_ac_supported = 1;
58162adf
AK		 423
424 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
425 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
426
427 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
428 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
429
430 if (flags & NL80211_FEATURE_QUIET)
431 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
432
433 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
434 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
1830817e
JD		 435
436 if (flags & NL80211_FEATURE_HT_IBSS)
437 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
dc55b6b6
AB		 438
439 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
440 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
0fafeb54
JM		 441}
442
443
444static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
445 struct nlattr *tb)
446{
447 u32 protocols;
448
449 if (tb == NULL)
450 return;
451
452 protocols = nla_get_u32(tb);
453 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
454 "mode");
455 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
456 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
457}
458
459
460static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
461 struct nlattr *tb)
462{
463 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
464
465 if (tb == NULL)
466 return;
467
468 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
469 tb, NULL))
470 return;
471
472 if (triggers[NL80211_WOWLAN_TRIG_ANY])
473 capa->wowlan_triggers.any = 1;
474 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
475 capa->wowlan_triggers.disconnect = 1;
476 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
477 capa->wowlan_triggers.magic_pkt = 1;
478 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
479 capa->wowlan_triggers.gtk_rekey_failure = 1;
480 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
481 capa->wowlan_triggers.eap_identity_req = 1;
482 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
483 capa->wowlan_triggers.four_way_handshake = 1;
484 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
485 capa->wowlan_triggers.rfkill_release = 1;
486}
487
488
cc9a2575
KV		 489static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
490 struct nlattr *tb)
491{
492 int rem = 0, i;
493 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
494
495 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
496 return;
497
498 nla_for_each_nested(attr, tb, rem) {
499 unsigned int len;
500 struct drv_nl80211_ext_capa *capa;
501
502 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
503 nla_len(attr), NULL);
504
505 if (!tb1[NL80211_ATTR_IFTYPE] ||
506 !tb1[NL80211_ATTR_EXT_CAPA] ||
507 !tb1[NL80211_ATTR_EXT_CAPA_MASK])
508 continue;
509
510 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
511 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
512 wpa_printf(MSG_DEBUG,
513 "nl80211: Driver-advertised extended capabilities for interface type %s",
514 nl80211_iftype_str(capa->iftype));
515
516 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
517 capa->ext_capa = os_malloc(len);
518 if (!capa->ext_capa)
519 goto err;
520
521 os_memcpy(capa->ext_capa, nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
522 len);
523 capa->ext_capa_len = len;
524 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
525 capa->ext_capa, capa->ext_capa_len);
526
527 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
528 capa->ext_capa_mask = os_malloc(len);
529 if (!capa->ext_capa_mask)
530 goto err;
531
532 os_memcpy(capa->ext_capa_mask,
533 nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), len);
534 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
535 capa->ext_capa_mask, capa->ext_capa_len);
536
537 drv->num_iface_ext_capa++;
538 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
539 break;
540 }
541
542 return;
543
544err:
545 /* Cleanup allocated memory on error */
546 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
547 os_free(drv->iface_ext_capa[i].ext_capa);
548 drv->iface_ext_capa[i].ext_capa = NULL;
549 os_free(drv->iface_ext_capa[i].ext_capa_mask);
550 drv->iface_ext_capa[i].ext_capa_mask = NULL;
551 drv->iface_ext_capa[i].ext_capa_len = 0;
552 }
553 drv->num_iface_ext_capa = 0;
554}
555
556
0fafeb54
JM		 557static int wiphy_info_handler(struct nl_msg *msg, void *arg)
558{
559 struct nlattr *tb[NL80211_ATTR_MAX + 1];
560 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
561 struct wiphy_info_data *info = arg;
562 struct wpa_driver_capa *capa = info->capa;
563 struct wpa_driver_nl80211_data *drv = info->drv;
564
565 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
566 genlmsg_attrlen(gnlh, 0), NULL);
567
0e92fb8f
JB		 568 if (tb[NL80211_ATTR_WIPHY])
569 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
570
0fafeb54
JM		 571 if (tb[NL80211_ATTR_WIPHY_NAME])
572 os_strlcpy(drv->phyname,
573 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
574 sizeof(drv->phyname));
575 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
576 capa->max_scan_ssids =
577 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
578
579 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
580 capa->max_sched_scan_ssids =
581 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
582
09ea4309
AS		 583 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
584 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
585 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
586 capa->max_sched_scan_plans =
587 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
588
589 capa->max_sched_scan_plan_interval =
590 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
591
592 capa->max_sched_scan_plan_iterations =
593 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
594 }
595
0fafeb54
JM		 596 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
597 capa->max_match_sets =
598 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
599
600 if (tb[NL80211_ATTR_MAC_ACL_MAX])
601 capa->max_acl_mac_addrs =
602 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
603
604 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
605 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
606 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
607 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
608
609 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
610 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
611 "off-channel TX");
612 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
613 }
614
615 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
616 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
617 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
618 }
619
620 wiphy_info_max_roc(capa,
621 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
622
623 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
624 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
625
626 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
627 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
628
629 if (tb[NL80211_ATTR_DEVICE_AP_SME])
630 info->device_ap_sme = 1;
631
632 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
4acdc48a 633 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
0fafeb54
JM		 634 wiphy_info_probe_resp_offload(capa,
635 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
636
637 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
638 drv->extended_capa == NULL) {
639 drv->extended_capa =
640 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
641 if (drv->extended_capa) {
642 os_memcpy(drv->extended_capa,
643 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
644 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
645 drv->extended_capa_len =
646 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
cc9a2575
KV		 647 wpa_hexdump(MSG_DEBUG,
648 "nl80211: Driver-advertised extended capabilities (default)",
649 drv->extended_capa, drv->extended_capa_len);
0fafeb54
JM		 650 }
651 drv->extended_capa_mask =
7b7b4449 652 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
0fafeb54
JM		 653 if (drv->extended_capa_mask) {
654 os_memcpy(drv->extended_capa_mask,
7b7b4449
LC		 655 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
656 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
cc9a2575
KV		 657 wpa_hexdump(MSG_DEBUG,
658 "nl80211: Driver-advertised extended capabilities mask (default)",
659 drv->extended_capa_mask,
660 drv->extended_capa_len);
0fafeb54
JM		 661 } else {
662 os_free(drv->extended_capa);
663 drv->extended_capa = NULL;
664 drv->extended_capa_len = 0;
665 }
666 }
667
cc9a2575
KV		 668 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
669
0fafeb54
JM		 670 if (tb[NL80211_ATTR_VENDOR_DATA]) {
671 struct nlattr *nl;
672 int rem;
673
674 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
675 struct nl80211_vendor_cmd_info *vinfo;
676 if (nla_len(nl) != sizeof(*vinfo)) {
677 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
678 continue;
679 }
680 vinfo = nla_data(nl);
5f9c92f8
ZK		 681 if (vinfo->vendor_id == OUI_QCA) {
682 switch (vinfo->subcmd) {
683 case QCA_NL80211_VENDOR_SUBCMD_TEST:
684 drv->vendor_cmd_test_avail = 1;
685 break;
b658547d 686#ifdef CONFIG_DRIVER_NL80211_QCA
5f9c92f8
ZK		 687 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
688 drv->roaming_vendor_cmd_avail = 1;
689 break;
690 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
691 drv->dfs_vendor_cmd_avail = 1;
692 break;
693 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
694 drv->get_features_vendor_cmd_avail = 1;
695 break;
98342208
AK		 696 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
697 drv->get_pref_freq_list = 1;
698 break;
7c813acf
AK		 699 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
700 drv->set_prob_oper_freq = 1;
701 break;
5f9c92f8
ZK		 702 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
703 drv->capa.flags |=
704 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
705 break;
844dfeb8
SD		 706 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
707 drv->setband_vendor_cmd_avail = 1;
708 break;
f22a080c
KV		 709 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
710 drv->scan_vendor_cmd_avail = 1;
711 break;
b658547d 712#endif /* CONFIG_DRIVER_NL80211_QCA */
5f9c92f8 713 }
0fafeb54
JM		 714 }
715
716 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
717 vinfo->vendor_id, vinfo->subcmd);
718 }
719 }
720
721 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
722 struct nlattr *nl;
723 int rem;
724
725 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
726 struct nl80211_vendor_cmd_info *vinfo;
727 if (nla_len(nl) != sizeof(*vinfo)) {
728 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
729 continue;
730 }
731 vinfo = nla_data(nl);
0fafeb54
JM		 732 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
733 vinfo->vendor_id, vinfo->subcmd);
734 }
735 }
736
737 wiphy_info_wowlan_triggers(capa,
738 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
739
740 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
741 capa->max_stations =
742 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
743
366179d2
AO		 744 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
745 capa->max_csa_counters =
746 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
747
0fafeb54
JM		 748 return NL_SKIP;
749}
750
751
752static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
753 struct wiphy_info_data *info)
754{
755 u32 feat;
756 struct nl_msg *msg;
9589a91e 757 int flags = 0;
0fafeb54
JM		 758
759 os_memset(info, 0, sizeof(*info));
760 info->capa = &drv->capa;
761 info->drv = drv;
762
0fafeb54
JM		 763 feat = get_nl80211_protocol_features(drv);
764 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
9589a91e 765 flags = NLM_F_DUMP;
56f77852
JM		 766 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
767 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
9589a91e
JM		 768 nlmsg_free(msg);
769 return -1;
770 }
0fafeb54
JM		 771
772 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
773 return -1;
774
775 if (info->auth_supported)
776 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
777 else if (!info->connect_supported) {
778 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
779 "authentication/association or connect commands");
780 info->error = 1;
781 }
782
783 if (info->p2p_go_supported && info->p2p_client_supported)
784 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
785 if (info->p2p_concurrent) {
786 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
787 "interface (driver advertised support)");
788 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
789 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
790 }
791 if (info->num_multichan_concurrent > 1) {
792 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
793 "concurrent (driver advertised support)");
794 drv->capa.num_multichan_concurrent =
795 info->num_multichan_concurrent;
796 }
797 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
798 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
799
800 /* default to 5000 since early versions of mac80211 don't set it */
801 if (!drv->capa.max_remain_on_chan)
802 drv->capa.max_remain_on_chan = 5000;
803
dfa87878 804 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
0fafeb54 805
86056fea
IP		 806 drv->capa.mac_addr_rand_sched_scan_supported =
807 info->mac_addr_rand_sched_scan_supported;
808 drv->capa.mac_addr_rand_scan_supported =
809 info->mac_addr_rand_scan_supported;
810
366179d2
AO		 811 if (info->channel_switch_supported) {
812 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
813 if (!drv->capa.max_csa_counters)
814 drv->capa.max_csa_counters = 1;
815 }
816
09ea4309
AS		 817 if (!drv->capa.max_sched_scan_plans) {
818 drv->capa.max_sched_scan_plans = 1;
819 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
820 drv->capa.max_sched_scan_plan_iterations = 0;
821 }
822
0fafeb54 823 return 0;
0fafeb54
JM		 824}
825
826
b658547d
JM		 827#ifdef CONFIG_DRIVER_NL80211_QCA
828
0fafeb54
JM		 829static int dfs_info_handler(struct nl_msg *msg, void *arg)
830{
831 struct nlattr *tb[NL80211_ATTR_MAX + 1];
832 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
833 int *dfs_capability_ptr = arg;
834
835 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
836 genlmsg_attrlen(gnlh, 0), NULL);
837
838 if (tb[NL80211_ATTR_VENDOR_DATA]) {
839 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
840 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
841
842 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
843 nla_data(nl_vend), nla_len(nl_vend), NULL);
844
845 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
846 u32 val;
847 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
848 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
849 val);
850 *dfs_capability_ptr = val;
851 }
852 }
853
854 return NL_SKIP;
855}
856
857
858static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
859{
860 struct nl_msg *msg;
861 int dfs_capability = 0;
862 int ret;
863
864 if (!drv->dfs_vendor_cmd_avail)
865 return;
866
9725b784 867 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9589a91e
JM		 868 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
869 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
870 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
871 nlmsg_free(msg);
872 return;
873 }
0fafeb54
JM		 874
875 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
876 if (!ret && dfs_capability)
877 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
0fafeb54
JM		 878}
879
880
15badebd
CL		 881struct features_info {
882 u8 *flags;
883 size_t flags_len;
079a28f7 884 struct wpa_driver_capa *capa;
15badebd
CL		 885};
886
887
888static int features_info_handler(struct nl_msg *msg, void *arg)
889{
890 struct nlattr *tb[NL80211_ATTR_MAX + 1];
891 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
892 struct features_info *info = arg;
893 struct nlattr *nl_vend, *attr;
894
895 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
896 genlmsg_attrlen(gnlh, 0), NULL);
897
898 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
899 if (nl_vend) {
900 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
901
902 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
903 nla_data(nl_vend), nla_len(nl_vend), NULL);
904
905 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
906 if (attr) {
907 info->flags = nla_data(attr);
908 info->flags_len = nla_len(attr);
909 }
079a28f7
AK		 910 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
911 if (attr)
912 info->capa->conc_capab = nla_get_u32(attr);
913
914 attr = tb_vendor[
915 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
916 if (attr)
917 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
918
919 attr = tb_vendor[
920 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
921 if (attr)
922 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
15badebd
CL		 923 }
924
925 return NL_SKIP;
926}
927
928
929static int check_feature(enum qca_wlan_vendor_features feature,
930 struct features_info *info)
931{
49e3eea8 932 size_t idx = feature / 8;
15badebd 933
49e3eea8
JM		 934 return (idx < info->flags_len) &&
935 (info->flags[idx] & BIT(feature % 8));
15badebd
CL		 936}
937
938
939static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
940{
941 struct nl_msg *msg;
942 struct features_info info;
943 int ret;
944
945 if (!drv->get_features_vendor_cmd_avail)
946 return;
947
948 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
949 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
950 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
951 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
952 nlmsg_free(msg);
953 return;
954 }
955
956 os_memset(&info, 0, sizeof(info));
079a28f7 957 info.capa = &drv->capa;
15badebd
CL		 958 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
959 if (ret || !info.flags)
960 return;
961
962 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
963 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
3784c058
PX		 964
965 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
966 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
8e509745
KV		 967
968 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
969 &info))
970 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
15badebd
CL		 971}
972
b658547d
JM		 973#endif /* CONFIG_DRIVER_NL80211_QCA */
974
15badebd 975
0fafeb54
JM		 976int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
977{
978 struct wiphy_info_data info;
979 if (wpa_driver_nl80211_get_info(drv, &info))
980 return -1;
981
982 if (info.error)
983 return -1;
984
985 drv->has_capability = 1;
986 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
987 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
988 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
399e6135
JM		 989 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
990 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
991 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
0fafeb54
JM		 992 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
993 WPA_DRIVER_AUTH_SHARED |
994 WPA_DRIVER_AUTH_LEAP;
995
996 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
997 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
998 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
999
1000 /*
1001 * As all cfg80211 drivers must support cases where the AP interface is
1002 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1003 * case that the user space daemon has crashed, they must be able to
1004 * cleanup all stations and key entries in the AP tear down flow. Thus,
1005 * this flag can/should always be set for cfg80211 drivers.
1006 */
1007 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1008
1009 if (!info.device_ap_sme) {
1010 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1011
1012 /*
1013 * No AP SME is currently assumed to also indicate no AP MLME
1014 * in the driver/firmware.
1015 */
1016 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1017 }
1018
1019 drv->device_ap_sme = info.device_ap_sme;
1020 drv->poll_command_supported = info.poll_command_supported;
1021 drv->data_tx_status = info.data_tx_status;
abb8d08b 1022 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
0fafeb54
JM		 1023 if (info.set_qos_map_supported)
1024 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1025 drv->have_low_prio_scan = info.have_low_prio_scan;
1026
1027 /*
1028 * If poll command and tx status are supported, mac80211 is new enough
1029 * to have everything we need to not need monitor interfaces.
1030 */
1031 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
1032
1033 if (drv->device_ap_sme && drv->use_monitor) {
1034 /*
1035 * Non-mac80211 drivers may not support monitor interface.
1036 * Make sure we do not get stuck with incorrect capability here
1037 * by explicitly testing this.
1038 */
1039 if (!info.monitor_supported) {
1040 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
1041 "with device_ap_sme since no monitor mode "
1042 "support detected");
1043 drv->use_monitor = 0;
1044 }
1045 }
1046
1047 /*
1048 * If we aren't going to use monitor interfaces, but the
1049 * driver doesn't support data TX status, we won't get TX
1050 * status for EAPOL frames.
1051 */
1052 if (!drv->use_monitor && !info.data_tx_status)
1053 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1054
b658547d 1055#ifdef CONFIG_DRIVER_NL80211_QCA
0fafeb54 1056 qca_nl80211_check_dfs_capa(drv);
15badebd 1057 qca_nl80211_get_features(drv);
0fafeb54 1058
8e509745
KV		 1059 /*
1060 * To enable offchannel simultaneous support in wpa_supplicant, the
1061 * underlying driver needs to support the same along with offchannel TX.
1062 * Offchannel TX support is needed since remain_on_channel and
1063 * action_tx use some common data structures and hence cannot be
1064 * scheduled simultaneously.
1065 */
1066 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1067 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
b658547d 1068#endif /* CONFIG_DRIVER_NL80211_QCA */
8e509745 1069
0fafeb54
JM		 1070 return 0;
1071}
1072
1073
1074struct phy_info_arg {
1075 u16 *num_modes;
1076 struct hostapd_hw_modes *modes;
1077 int last_mode, last_chan_idx;
747ba106 1078 int failed;
0fafeb54
JM		 1079};
1080
1081static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1082 struct nlattr *ampdu_factor,
1083 struct nlattr *ampdu_density,
1084 struct nlattr *mcs_set)
1085{
1086 if (capa)
1087 mode->ht_capab = nla_get_u16(capa);
1088
1089 if (ampdu_factor)
1090 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1091
1092 if (ampdu_density)
1093 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1094
1095 if (mcs_set && nla_len(mcs_set) >= 16) {
1096 u8 *mcs;
1097 mcs = nla_data(mcs_set);
1098 os_memcpy(mode->mcs_set, mcs, 16);
1099 }
1100}
1101
1102
1103static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1104 struct nlattr *capa,
1105 struct nlattr *mcs_set)
1106{
1107 if (capa)
1108 mode->vht_capab = nla_get_u32(capa);
1109
1110 if (mcs_set && nla_len(mcs_set) >= 8) {
1111 u8 *mcs;
1112 mcs = nla_data(mcs_set);
1113 os_memcpy(mode->vht_mcs_set, mcs, 8);
1114 }
1115}
1116
1117
1118static void phy_info_freq(struct hostapd_hw_modes *mode,
1119 struct hostapd_channel_data *chan,
1120 struct nlattr *tb_freq[])
1121{
1122 u8 channel;
1123 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1124 chan->flag = 0;
1125 chan->dfs_cac_ms = 0;
1126 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1127 chan->chan = channel;
1128
1129 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1130 chan->flag |= HOSTAPD_CHAN_DISABLED;
1131 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1132 chan->flag |= HOSTAPD_CHAN_NO_IR;
1133 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1134 chan->flag |= HOSTAPD_CHAN_RADAR;
1135 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1136 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1137 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1138 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1139
1140 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1141 enum nl80211_dfs_state state =
1142 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1143
1144 switch (state) {
1145 case NL80211_DFS_USABLE:
1146 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1147 break;
1148 case NL80211_DFS_AVAILABLE:
1149 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1150 break;
1151 case NL80211_DFS_UNAVAILABLE:
1152 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1153 break;
1154 }
1155 }
1156
1157 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1158 chan->dfs_cac_ms = nla_get_u32(
1159 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1160 }
1161}
1162
1163
1164static int phy_info_freqs(struct phy_info_arg *phy_info,
1165 struct hostapd_hw_modes *mode, struct nlattr *tb)
1166{
1167 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1168 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1169 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1170 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1171 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1172 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1173 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1174 };
1175 int new_channels = 0;
1176 struct hostapd_channel_data *channel;
1177 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1178 struct nlattr *nl_freq;
1179 int rem_freq, idx;
1180
1181 if (tb == NULL)
1182 return NL_OK;
1183
1184 nla_for_each_nested(nl_freq, tb, rem_freq) {
1185 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1186 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1187 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1188 continue;
1189 new_channels++;
1190 }
1191
1192 channel = os_realloc_array(mode->channels,
1193 mode->num_channels + new_channels,
1194 sizeof(struct hostapd_channel_data));
1195 if (!channel)
747ba106 1196 return NL_STOP;
0fafeb54
JM		 1197
1198 mode->channels = channel;
1199 mode->num_channels += new_channels;
1200
1201 idx = phy_info->last_chan_idx;
1202
1203 nla_for_each_nested(nl_freq, tb, rem_freq) {
1204 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1205 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1206 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1207 continue;
1208 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1209 idx++;
1210 }
1211 phy_info->last_chan_idx = idx;
1212
1213 return NL_OK;
1214}
1215
1216
1217static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1218{
1219 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1220 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1221 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1222 { .type = NLA_FLAG },
1223 };
1224 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1225 struct nlattr *nl_rate;
1226 int rem_rate, idx;
1227
1228 if (tb == NULL)
1229 return NL_OK;
1230
1231 nla_for_each_nested(nl_rate, tb, rem_rate) {
1232 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1233 nla_data(nl_rate), nla_len(nl_rate),
1234 rate_policy);
1235 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1236 continue;
1237 mode->num_rates++;
1238 }
1239
1240 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1241 if (!mode->rates)
747ba106 1242 return NL_STOP;
0fafeb54
JM		 1243
1244 idx = 0;
1245
1246 nla_for_each_nested(nl_rate, tb, rem_rate) {
1247 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1248 nla_data(nl_rate), nla_len(nl_rate),
1249 rate_policy);
1250 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1251 continue;
1252 mode->rates[idx] = nla_get_u32(
1253 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1254 idx++;
1255 }
1256
1257 return NL_OK;
1258}
1259
1260
1261static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1262{
1263 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1264 struct hostapd_hw_modes *mode;
1265 int ret;
1266
1267 if (phy_info->last_mode != nl_band->nla_type) {
1268 mode = os_realloc_array(phy_info->modes,
1269 *phy_info->num_modes + 1,
1270 sizeof(*mode));
747ba106
JM		 1271 if (!mode) {
1272 phy_info->failed = 1;
1273 return NL_STOP;
1274 }
0fafeb54
JM		 1275 phy_info->modes = mode;
1276
1277 mode = &phy_info->modes[*(phy_info->num_modes)];
1278 os_memset(mode, 0, sizeof(*mode));
1279 mode->mode = NUM_HOSTAPD_MODES;
1280 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1281 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1282
1283 /*
1284 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1285 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1286 * possible streams as unsupported. This will be overridden if
1287 * driver advertises VHT support.
1288 */
1289 mode->vht_mcs_set[0] = 0xff;
1290 mode->vht_mcs_set[1] = 0xff;
1291 mode->vht_mcs_set[4] = 0xff;
1292 mode->vht_mcs_set[5] = 0xff;
1293
1294 *(phy_info->num_modes) += 1;
1295 phy_info->last_mode = nl_band->nla_type;
1296 phy_info->last_chan_idx = 0;
1297 } else
1298 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1299
1300 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1301 nla_len(nl_band), NULL);
1302
1303 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1304 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1305 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1306 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1307 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1308 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1309 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
747ba106
JM		 1310 if (ret == NL_OK)
1311 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1312 if (ret != NL_OK) {
1313 phy_info->failed = 1;
0fafeb54 1314 return ret;
747ba106 1315 }
0fafeb54
JM		 1316
1317 return NL_OK;
1318}
1319
1320
1321static int phy_info_handler(struct nl_msg *msg, void *arg)
1322{
1323 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1324 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1325 struct phy_info_arg *phy_info = arg;
1326 struct nlattr *nl_band;
1327 int rem_band;
1328
1329 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1330 genlmsg_attrlen(gnlh, 0), NULL);
1331
1332 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1333 return NL_SKIP;
1334
1335 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1336 {
1337 int res = phy_info_band(phy_info, nl_band);
1338 if (res != NL_OK)
1339 return res;
1340 }
1341
1342 return NL_SKIP;
1343}
1344
1345
1346static struct hostapd_hw_modes *
1347wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1348 u16 *num_modes)
1349{
1350 u16 m;
1351 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1352 int i, mode11g_idx = -1;
1353
1354 /* heuristic to set up modes */
1355 for (m = 0; m < *num_modes; m++) {
1356 if (!modes[m].num_channels)
1357 continue;
1358 if (modes[m].channels[0].freq < 4000) {
1359 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1360 for (i = 0; i < modes[m].num_rates; i++) {
1361 if (modes[m].rates[i] > 200) {
1362 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1363 break;
1364 }
1365 }
1366 } else if (modes[m].channels[0].freq > 50000)
1367 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
1368 else
1369 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
1370 }
1371
1372 /* If only 802.11g mode is included, use it to construct matching
1373 * 802.11b mode data. */
1374
1375 for (m = 0; m < *num_modes; m++) {
1376 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
1377 return modes; /* 802.11b already included */
1378 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1379 mode11g_idx = m;
1380 }
1381
1382 if (mode11g_idx < 0)
1383 return modes; /* 2.4 GHz band not supported at all */
1384
1385 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
1386 if (nmodes == NULL)
1387 return modes; /* Could not add 802.11b mode */
1388
1389 mode = &nmodes[*num_modes];
1390 os_memset(mode, 0, sizeof(*mode));
1391 (*num_modes)++;
1392 modes = nmodes;
1393
1394 mode->mode = HOSTAPD_MODE_IEEE80211B;
1395
1396 mode11g = &modes[mode11g_idx];
1397 mode->num_channels = mode11g->num_channels;
1398 mode->channels = os_malloc(mode11g->num_channels *
1399 sizeof(struct hostapd_channel_data));
1400 if (mode->channels == NULL) {
1401 (*num_modes)--;
1402 return modes; /* Could not add 802.11b mode */
1403 }
1404 os_memcpy(mode->channels, mode11g->channels,
1405 mode11g->num_channels * sizeof(struct hostapd_channel_data));
1406
1407 mode->num_rates = 0;
1408 mode->rates = os_malloc(4 * sizeof(int));
1409 if (mode->rates == NULL) {
1410 os_free(mode->channels);
1411 (*num_modes)--;
1412 return modes; /* Could not add 802.11b mode */
1413 }
1414
1415 for (i = 0; i < mode11g->num_rates; i++) {
1416 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
1417 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
1418 continue;
1419 mode->rates[mode->num_rates] = mode11g->rates[i];
1420 mode->num_rates++;
1421 if (mode->num_rates == 4)
1422 break;
1423 }
1424
1425 if (mode->num_rates == 0) {
1426 os_free(mode->channels);
1427 os_free(mode->rates);
1428 (*num_modes)--;
1429 return modes; /* No 802.11b rates */
1430 }
1431
1432 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
1433 "information");
1434
1435 return modes;
1436}
1437
1438
1439static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
1440 int end)
1441{
1442 int c;
1443
1444 for (c = 0; c < mode->num_channels; c++) {
1445 struct hostapd_channel_data *chan = &mode->channels[c];
1446 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
1447 chan->flag |= HOSTAPD_CHAN_HT40;
1448 }
1449}
1450
1451
1452static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
1453 int end)
1454{
1455 int c;
1456
1457 for (c = 0; c < mode->num_channels; c++) {
1458 struct hostapd_channel_data *chan = &mode->channels[c];
1459 if (!(chan->flag & HOSTAPD_CHAN_HT40))
1460 continue;
1461 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
1462 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
1463 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
1464 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
1465 }
1466}
1467
1468
1469static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
1470 struct phy_info_arg *results)
1471{
1472 u16 m;
1473
1474 for (m = 0; m < *results->num_modes; m++) {
1475 int c;
1476 struct hostapd_hw_modes *mode = &results->modes[m];
1477
1478 for (c = 0; c < mode->num_channels; c++) {
1479 struct hostapd_channel_data *chan = &mode->channels[c];
1480 if ((u32) chan->freq - 10 >= start &&
1481 (u32) chan->freq + 10 <= end)
1482 chan->max_tx_power = max_eirp;
1483 }
1484 }
1485}
1486
1487
1488static void nl80211_reg_rule_ht40(u32 start, u32 end,
1489 struct phy_info_arg *results)
1490{
1491 u16 m;
1492
1493 for (m = 0; m < *results->num_modes; m++) {
1494 if (!(results->modes[m].ht_capab &
1495 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1496 continue;
1497 nl80211_set_ht40_mode(&results->modes[m], start, end);
1498 }
1499}
1500
1501
1502static void nl80211_reg_rule_sec(struct nlattr *tb[],
1503 struct phy_info_arg *results)
1504{
1505 u32 start, end, max_bw;
1506 u16 m;
1507
1508 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1509 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1510 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1511 return;
1512
1513 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1514 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1515 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1516
1517 if (max_bw < 20)
1518 return;
1519
1520 for (m = 0; m < *results->num_modes; m++) {
1521 if (!(results->modes[m].ht_capab &
1522 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1523 continue;
1524 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
1525 }
1526}
1527
1528
1529static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
bee5d8e0 1530 int end, int max_bw)
0fafeb54
JM		 1531{
1532 int c;
1533
1534 for (c = 0; c < mode->num_channels; c++) {
1535 struct hostapd_channel_data *chan = &mode->channels[c];
1536 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
1537 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
1538
1539 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
1540 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
1541
1542 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
1543 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
1544
1545 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
1546 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
bee5d8e0
AK		 1547
1548 if (max_bw >= 160) {
1549 if (chan->freq - 10 >= start && chan->freq + 150 <= end)
1550 chan->flag |= HOSTAPD_CHAN_VHT_10_150;
1551
1552 if (chan->freq - 30 >= start && chan->freq + 130 <= end)
1553 chan->flag |= HOSTAPD_CHAN_VHT_30_130;
1554
1555 if (chan->freq - 50 >= start && chan->freq + 110 <= end)
1556 chan->flag |= HOSTAPD_CHAN_VHT_50_110;
1557
1558 if (chan->freq - 70 >= start && chan->freq + 90 <= end)
1559 chan->flag |= HOSTAPD_CHAN_VHT_70_90;
1560
1561 if (chan->freq - 90 >= start && chan->freq + 70 <= end)
1562 chan->flag |= HOSTAPD_CHAN_VHT_90_70;
1563
1564 if (chan->freq - 110 >= start && chan->freq + 50 <= end)
1565 chan->flag |= HOSTAPD_CHAN_VHT_110_50;
1566
1567 if (chan->freq - 130 >= start && chan->freq + 30 <= end)
1568 chan->flag |= HOSTAPD_CHAN_VHT_130_30;
1569
1570 if (chan->freq - 150 >= start && chan->freq + 10 <= end)
1571 chan->flag |= HOSTAPD_CHAN_VHT_150_10;
1572 }
0fafeb54
JM		 1573 }
1574}
1575
1576
1577static void nl80211_reg_rule_vht(struct nlattr *tb[],
1578 struct phy_info_arg *results)
1579{
1580 u32 start, end, max_bw;
1581 u16 m;
1582
1583 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1584 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1585 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1586 return;
1587
1588 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1589 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1590 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1591
1592 if (max_bw < 80)
1593 return;
1594
1595 for (m = 0; m < *results->num_modes; m++) {
1596 if (!(results->modes[m].ht_capab &
1597 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1598 continue;
1599 /* TODO: use a real VHT support indication */
1600 if (!results->modes[m].vht_capab)
1601 continue;
1602
bee5d8e0 1603 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
0fafeb54
JM		 1604 }
1605}
1606
1607
1608static const char * dfs_domain_name(enum nl80211_dfs_regions region)
1609{
1610 switch (region) {
1611 case NL80211_DFS_UNSET:
1612 return "DFS-UNSET";
1613 case NL80211_DFS_FCC:
1614 return "DFS-FCC";
1615 case NL80211_DFS_ETSI:
1616 return "DFS-ETSI";
1617 case NL80211_DFS_JP:
1618 return "DFS-JP";
1619 default:
1620 return "DFS-invalid";
1621 }
1622}
1623
1624
1625static int nl80211_get_reg(struct nl_msg *msg, void *arg)
1626{
1627 struct phy_info_arg *results = arg;
1628 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1629 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1630 struct nlattr *nl_rule;
1631 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
1632 int rem_rule;
1633 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1634 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1635 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1636 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1637 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1638 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1639 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1640 };
1641
1642 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1643 genlmsg_attrlen(gnlh, 0), NULL);
1644 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
1645 !tb_msg[NL80211_ATTR_REG_RULES]) {
1646 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
1647 "available");
1648 return NL_SKIP;
1649 }
1650
1651 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
1652 enum nl80211_dfs_regions dfs_domain;
1653 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
1654 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
1655 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
1656 dfs_domain_name(dfs_domain));
1657 } else {
1658 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
1659 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
1660 }
1661
1662 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1663 {
1664 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
1665 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1666 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1667 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1668 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
1669 continue;
1670 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1671 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1672 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1673 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
1674 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1675 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1676 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
1677 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
1678
1679 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
1680 start, end, max_bw, max_eirp,
1681 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
1682 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
1683 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
1684 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
1685 "",
1686 flags & NL80211_RRF_DFS ? " (DFS)" : "",
1687 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
1688 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
1689 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
1690 if (max_bw >= 40)
1691 nl80211_reg_rule_ht40(start, end, results);
1692 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1693 nl80211_reg_rule_max_eirp(start, end, max_eirp,
1694 results);
1695 }
1696
1697 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1698 {
1699 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1700 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1701 nl80211_reg_rule_sec(tb_rule, results);
1702 }
1703
1704 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1705 {
1706 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1707 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1708 nl80211_reg_rule_vht(tb_rule, results);
1709 }
1710
1711 return NL_SKIP;
1712}
1713
1714
1715static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
1716 struct phy_info_arg *results)
1717{
1718 struct nl_msg *msg;
1719
1720 msg = nlmsg_alloc();
1721 if (!msg)
1722 return -ENOMEM;
1723
1724 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1725 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
1726}
1727
1728
1729struct hostapd_hw_modes *
1730nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
1731{
1732 u32 feat;
1733 struct i802_bss *bss = priv;
1734 struct wpa_driver_nl80211_data *drv = bss->drv;
9589a91e 1735 int nl_flags = 0;
0fafeb54
JM		 1736 struct nl_msg *msg;
1737 struct phy_info_arg result = {
1738 .num_modes = num_modes,
1739 .modes = NULL,
1740 .last_mode = -1,
747ba106 1741 .failed = 0,
0fafeb54
JM		 1742 };
1743
1744 *num_modes = 0;
1745 *flags = 0;
1746
0fafeb54
JM		 1747 feat = get_nl80211_protocol_features(drv);
1748 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
9589a91e 1749 nl_flags = NLM_F_DUMP;
56f77852
JM		 1750 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
1751 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
9589a91e
JM		 1752 nlmsg_free(msg);
1753 return NULL;
1754 }
0fafeb54
JM		 1755
1756 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
1757 nl80211_set_regulatory_flags(drv, &result);
747ba106
JM		 1758 if (result.failed) {
1759 int i;
1760
1761 for (i = 0; result.modes && i < *num_modes; i++) {
1762 os_free(result.modes[i].channels);
1763 os_free(result.modes[i].rates);
1764 }
1765 os_free(result.modes);
1766 return NULL;
1767 }
0fafeb54
JM		 1768 return wpa_driver_nl80211_postprocess_modes(result.modes,
1769 num_modes);
1770 }
9589a91e 1771
0fafeb54
JM		 1772 return NULL;
1773}
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