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Add QCA vendor definitions for simultaneous offchannel
[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;
583 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
584 drv->roaming_vendor_cmd_avail = 1;
585 break;
586 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
587 drv->dfs_vendor_cmd_avail = 1;
588 break;
589 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
590 drv->get_features_vendor_cmd_avail = 1;
591 break;
98342208
AK		 592 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
593 drv->get_pref_freq_list = 1;
594 break;
7c813acf
AK		 595 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
596 drv->set_prob_oper_freq = 1;
597 break;
5f9c92f8
ZK		 598 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
599 drv->capa.flags |=
600 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
601 break;
844dfeb8
SD		 602 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
603 drv->setband_vendor_cmd_avail = 1;
604 break;
f22a080c
KV		 605 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
606 drv->scan_vendor_cmd_avail = 1;
607 break;
5f9c92f8 608 }
0fafeb54
JM		 609 }
610
611 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
612 vinfo->vendor_id, vinfo->subcmd);
613 }
614 }
615
616 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
617 struct nlattr *nl;
618 int rem;
619
620 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
621 struct nl80211_vendor_cmd_info *vinfo;
622 if (nla_len(nl) != sizeof(*vinfo)) {
623 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
624 continue;
625 }
626 vinfo = nla_data(nl);
0fafeb54
JM		 627 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
628 vinfo->vendor_id, vinfo->subcmd);
629 }
630 }
631
632 wiphy_info_wowlan_triggers(capa,
633 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
634
635 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
636 capa->max_stations =
637 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
638
639 return NL_SKIP;
640}
641
642
643static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
644 struct wiphy_info_data *info)
645{
646 u32 feat;
647 struct nl_msg *msg;
9589a91e 648 int flags = 0;
0fafeb54
JM		 649
650 os_memset(info, 0, sizeof(*info));
651 info->capa = &drv->capa;
652 info->drv = drv;
653
0fafeb54
JM		 654 feat = get_nl80211_protocol_features(drv);
655 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
9589a91e 656 flags = NLM_F_DUMP;
56f77852
JM		 657 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
658 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
9589a91e
JM		 659 nlmsg_free(msg);
660 return -1;
661 }
0fafeb54
JM		 662
663 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
664 return -1;
665
666 if (info->auth_supported)
667 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
668 else if (!info->connect_supported) {
669 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
670 "authentication/association or connect commands");
671 info->error = 1;
672 }
673
674 if (info->p2p_go_supported && info->p2p_client_supported)
675 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
676 if (info->p2p_concurrent) {
677 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
678 "interface (driver advertised support)");
679 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
680 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
681 }
682 if (info->num_multichan_concurrent > 1) {
683 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
684 "concurrent (driver advertised support)");
685 drv->capa.num_multichan_concurrent =
686 info->num_multichan_concurrent;
687 }
688 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
689 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
690
691 /* default to 5000 since early versions of mac80211 don't set it */
692 if (!drv->capa.max_remain_on_chan)
693 drv->capa.max_remain_on_chan = 5000;
694
695 if (info->channel_switch_supported)
696 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
dfa87878 697 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
0fafeb54 698
86056fea
IP		 699 drv->capa.mac_addr_rand_sched_scan_supported =
700 info->mac_addr_rand_sched_scan_supported;
701 drv->capa.mac_addr_rand_scan_supported =
702 info->mac_addr_rand_scan_supported;
703
0fafeb54 704 return 0;
0fafeb54
JM		 705}
706
707
708static int dfs_info_handler(struct nl_msg *msg, void *arg)
709{
710 struct nlattr *tb[NL80211_ATTR_MAX + 1];
711 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
712 int *dfs_capability_ptr = arg;
713
714 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
715 genlmsg_attrlen(gnlh, 0), NULL);
716
717 if (tb[NL80211_ATTR_VENDOR_DATA]) {
718 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
719 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
720
721 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
722 nla_data(nl_vend), nla_len(nl_vend), NULL);
723
724 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
725 u32 val;
726 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
727 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
728 val);
729 *dfs_capability_ptr = val;
730 }
731 }
732
733 return NL_SKIP;
734}
735
736
737static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
738{
739 struct nl_msg *msg;
740 int dfs_capability = 0;
741 int ret;
742
743 if (!drv->dfs_vendor_cmd_avail)
744 return;
745
9725b784 746 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
9589a91e
JM		 747 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
748 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
749 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
750 nlmsg_free(msg);
751 return;
752 }
0fafeb54
JM		 753
754 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
755 if (!ret && dfs_capability)
756 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
0fafeb54
JM		 757}
758
759
15badebd
CL		 760struct features_info {
761 u8 *flags;
762 size_t flags_len;
079a28f7 763 struct wpa_driver_capa *capa;
15badebd
CL		 764};
765
766
767static int features_info_handler(struct nl_msg *msg, void *arg)
768{
769 struct nlattr *tb[NL80211_ATTR_MAX + 1];
770 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
771 struct features_info *info = arg;
772 struct nlattr *nl_vend, *attr;
773
774 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
775 genlmsg_attrlen(gnlh, 0), NULL);
776
777 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
778 if (nl_vend) {
779 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
780
781 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
782 nla_data(nl_vend), nla_len(nl_vend), NULL);
783
784 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
785 if (attr) {
786 info->flags = nla_data(attr);
787 info->flags_len = nla_len(attr);
788 }
079a28f7
AK		 789 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
790 if (attr)
791 info->capa->conc_capab = nla_get_u32(attr);
792
793 attr = tb_vendor[
794 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
795 if (attr)
796 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
797
798 attr = tb_vendor[
799 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
800 if (attr)
801 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
15badebd
CL		 802 }
803
804 return NL_SKIP;
805}
806
807
808static int check_feature(enum qca_wlan_vendor_features feature,
809 struct features_info *info)
810{
49e3eea8 811 size_t idx = feature / 8;
15badebd 812
49e3eea8
JM		 813 return (idx < info->flags_len) &&
814 (info->flags[idx] & BIT(feature % 8));
15badebd
CL		 815}
816
817
818static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
819{
820 struct nl_msg *msg;
821 struct features_info info;
822 int ret;
823
824 if (!drv->get_features_vendor_cmd_avail)
825 return;
826
827 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
828 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
829 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
830 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
831 nlmsg_free(msg);
832 return;
833 }
834
835 os_memset(&info, 0, sizeof(info));
079a28f7 836 info.capa = &drv->capa;
15badebd
CL		 837 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
838 if (ret || !info.flags)
839 return;
840
841 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
842 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
3784c058
PX		 843
844 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
845 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
15badebd
CL		 846}
847
848
0fafeb54
JM		 849int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
850{
851 struct wiphy_info_data info;
852 if (wpa_driver_nl80211_get_info(drv, &info))
853 return -1;
854
855 if (info.error)
856 return -1;
857
858 drv->has_capability = 1;
859 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
860 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
861 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
399e6135
JM		 862 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
863 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
864 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
0fafeb54
JM		 865 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
866 WPA_DRIVER_AUTH_SHARED |
867 WPA_DRIVER_AUTH_LEAP;
868
869 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
870 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
871 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
872
873 /*
874 * As all cfg80211 drivers must support cases where the AP interface is
875 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
876 * case that the user space daemon has crashed, they must be able to
877 * cleanup all stations and key entries in the AP tear down flow. Thus,
878 * this flag can/should always be set for cfg80211 drivers.
879 */
880 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
881
882 if (!info.device_ap_sme) {
883 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
884
885 /*
886 * No AP SME is currently assumed to also indicate no AP MLME
887 * in the driver/firmware.
888 */
889 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
890 }
891
892 drv->device_ap_sme = info.device_ap_sme;
893 drv->poll_command_supported = info.poll_command_supported;
894 drv->data_tx_status = info.data_tx_status;
abb8d08b 895 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
0fafeb54
JM		 896 if (info.set_qos_map_supported)
897 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
898 drv->have_low_prio_scan = info.have_low_prio_scan;
899
900 /*
901 * If poll command and tx status are supported, mac80211 is new enough
902 * to have everything we need to not need monitor interfaces.
903 */
904 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
905
906 if (drv->device_ap_sme && drv->use_monitor) {
907 /*
908 * Non-mac80211 drivers may not support monitor interface.
909 * Make sure we do not get stuck with incorrect capability here
910 * by explicitly testing this.
911 */
912 if (!info.monitor_supported) {
913 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
914 "with device_ap_sme since no monitor mode "
915 "support detected");
916 drv->use_monitor = 0;
917 }
918 }
919
920 /*
921 * If we aren't going to use monitor interfaces, but the
922 * driver doesn't support data TX status, we won't get TX
923 * status for EAPOL frames.
924 */
925 if (!drv->use_monitor && !info.data_tx_status)
926 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
927
928 qca_nl80211_check_dfs_capa(drv);
15badebd 929 qca_nl80211_get_features(drv);
0fafeb54
JM		 930
931 return 0;
932}
933
934
935struct phy_info_arg {
936 u16 *num_modes;
937 struct hostapd_hw_modes *modes;
938 int last_mode, last_chan_idx;
939};
940
941static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
942 struct nlattr *ampdu_factor,
943 struct nlattr *ampdu_density,
944 struct nlattr *mcs_set)
945{
946 if (capa)
947 mode->ht_capab = nla_get_u16(capa);
948
949 if (ampdu_factor)
950 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
951
952 if (ampdu_density)
953 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
954
955 if (mcs_set && nla_len(mcs_set) >= 16) {
956 u8 *mcs;
957 mcs = nla_data(mcs_set);
958 os_memcpy(mode->mcs_set, mcs, 16);
959 }
960}
961
962
963static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
964 struct nlattr *capa,
965 struct nlattr *mcs_set)
966{
967 if (capa)
968 mode->vht_capab = nla_get_u32(capa);
969
970 if (mcs_set && nla_len(mcs_set) >= 8) {
971 u8 *mcs;
972 mcs = nla_data(mcs_set);
973 os_memcpy(mode->vht_mcs_set, mcs, 8);
974 }
975}
976
977
978static void phy_info_freq(struct hostapd_hw_modes *mode,
979 struct hostapd_channel_data *chan,
980 struct nlattr *tb_freq[])
981{
982 u8 channel;
983 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
984 chan->flag = 0;
985 chan->dfs_cac_ms = 0;
986 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
987 chan->chan = channel;
988
989 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
990 chan->flag |= HOSTAPD_CHAN_DISABLED;
991 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
992 chan->flag |= HOSTAPD_CHAN_NO_IR;
993 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
994 chan->flag |= HOSTAPD_CHAN_RADAR;
995 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
996 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
997 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
998 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
999
1000 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1001 enum nl80211_dfs_state state =
1002 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1003
1004 switch (state) {
1005 case NL80211_DFS_USABLE:
1006 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1007 break;
1008 case NL80211_DFS_AVAILABLE:
1009 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1010 break;
1011 case NL80211_DFS_UNAVAILABLE:
1012 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1013 break;
1014 }
1015 }
1016
1017 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1018 chan->dfs_cac_ms = nla_get_u32(
1019 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1020 }
1021}
1022
1023
1024static int phy_info_freqs(struct phy_info_arg *phy_info,
1025 struct hostapd_hw_modes *mode, struct nlattr *tb)
1026{
1027 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1028 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1029 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1030 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1031 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1032 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1033 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1034 };
1035 int new_channels = 0;
1036 struct hostapd_channel_data *channel;
1037 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1038 struct nlattr *nl_freq;
1039 int rem_freq, idx;
1040
1041 if (tb == NULL)
1042 return NL_OK;
1043
1044 nla_for_each_nested(nl_freq, tb, rem_freq) {
1045 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1046 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1047 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1048 continue;
1049 new_channels++;
1050 }
1051
1052 channel = os_realloc_array(mode->channels,
1053 mode->num_channels + new_channels,
1054 sizeof(struct hostapd_channel_data));
1055 if (!channel)
1056 return NL_SKIP;
1057
1058 mode->channels = channel;
1059 mode->num_channels += new_channels;
1060
1061 idx = phy_info->last_chan_idx;
1062
1063 nla_for_each_nested(nl_freq, tb, rem_freq) {
1064 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1065 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1066 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1067 continue;
1068 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1069 idx++;
1070 }
1071 phy_info->last_chan_idx = idx;
1072
1073 return NL_OK;
1074}
1075
1076
1077static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1078{
1079 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1080 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1081 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1082 { .type = NLA_FLAG },
1083 };
1084 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1085 struct nlattr *nl_rate;
1086 int rem_rate, idx;
1087
1088 if (tb == NULL)
1089 return NL_OK;
1090
1091 nla_for_each_nested(nl_rate, tb, rem_rate) {
1092 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1093 nla_data(nl_rate), nla_len(nl_rate),
1094 rate_policy);
1095 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1096 continue;
1097 mode->num_rates++;
1098 }
1099
1100 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1101 if (!mode->rates)
1102 return NL_SKIP;
1103
1104 idx = 0;
1105
1106 nla_for_each_nested(nl_rate, tb, rem_rate) {
1107 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1108 nla_data(nl_rate), nla_len(nl_rate),
1109 rate_policy);
1110 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1111 continue;
1112 mode->rates[idx] = nla_get_u32(
1113 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1114 idx++;
1115 }
1116
1117 return NL_OK;
1118}
1119
1120
1121static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1122{
1123 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1124 struct hostapd_hw_modes *mode;
1125 int ret;
1126
1127 if (phy_info->last_mode != nl_band->nla_type) {
1128 mode = os_realloc_array(phy_info->modes,
1129 *phy_info->num_modes + 1,
1130 sizeof(*mode));
1131 if (!mode)
1132 return NL_SKIP;
1133 phy_info->modes = mode;
1134
1135 mode = &phy_info->modes[*(phy_info->num_modes)];
1136 os_memset(mode, 0, sizeof(*mode));
1137 mode->mode = NUM_HOSTAPD_MODES;
1138 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1139 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1140
1141 /*
1142 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1143 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1144 * possible streams as unsupported. This will be overridden if
1145 * driver advertises VHT support.
1146 */
1147 mode->vht_mcs_set[0] = 0xff;
1148 mode->vht_mcs_set[1] = 0xff;
1149 mode->vht_mcs_set[4] = 0xff;
1150 mode->vht_mcs_set[5] = 0xff;
1151
1152 *(phy_info->num_modes) += 1;
1153 phy_info->last_mode = nl_band->nla_type;
1154 phy_info->last_chan_idx = 0;
1155 } else
1156 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1157
1158 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1159 nla_len(nl_band), NULL);
1160
1161 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1162 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1163 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1164 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1165 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1166 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1167 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
1168 if (ret != NL_OK)
1169 return ret;
1170 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1171 if (ret != NL_OK)
1172 return ret;
1173
1174 return NL_OK;
1175}
1176
1177
1178static int phy_info_handler(struct nl_msg *msg, void *arg)
1179{
1180 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1181 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1182 struct phy_info_arg *phy_info = arg;
1183 struct nlattr *nl_band;
1184 int rem_band;
1185
1186 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1187 genlmsg_attrlen(gnlh, 0), NULL);
1188
1189 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1190 return NL_SKIP;
1191
1192 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1193 {
1194 int res = phy_info_band(phy_info, nl_band);
1195 if (res != NL_OK)
1196 return res;
1197 }
1198
1199 return NL_SKIP;
1200}
1201
1202
1203static struct hostapd_hw_modes *
1204wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1205 u16 *num_modes)
1206{
1207 u16 m;
1208 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1209 int i, mode11g_idx = -1;
1210
1211 /* heuristic to set up modes */
1212 for (m = 0; m < *num_modes; m++) {
1213 if (!modes[m].num_channels)
1214 continue;
1215 if (modes[m].channels[0].freq < 4000) {
1216 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1217 for (i = 0; i < modes[m].num_rates; i++) {
1218 if (modes[m].rates[i] > 200) {
1219 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1220 break;
1221 }
1222 }
1223 } else if (modes[m].channels[0].freq > 50000)
1224 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
1225 else
1226 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
1227 }
1228
1229 /* If only 802.11g mode is included, use it to construct matching
1230 * 802.11b mode data. */
1231
1232 for (m = 0; m < *num_modes; m++) {
1233 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
1234 return modes; /* 802.11b already included */
1235 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1236 mode11g_idx = m;
1237 }
1238
1239 if (mode11g_idx < 0)
1240 return modes; /* 2.4 GHz band not supported at all */
1241
1242 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
1243 if (nmodes == NULL)
1244 return modes; /* Could not add 802.11b mode */
1245
1246 mode = &nmodes[*num_modes];
1247 os_memset(mode, 0, sizeof(*mode));
1248 (*num_modes)++;
1249 modes = nmodes;
1250
1251 mode->mode = HOSTAPD_MODE_IEEE80211B;
1252
1253 mode11g = &modes[mode11g_idx];
1254 mode->num_channels = mode11g->num_channels;
1255 mode->channels = os_malloc(mode11g->num_channels *
1256 sizeof(struct hostapd_channel_data));
1257 if (mode->channels == NULL) {
1258 (*num_modes)--;
1259 return modes; /* Could not add 802.11b mode */
1260 }
1261 os_memcpy(mode->channels, mode11g->channels,
1262 mode11g->num_channels * sizeof(struct hostapd_channel_data));
1263
1264 mode->num_rates = 0;
1265 mode->rates = os_malloc(4 * sizeof(int));
1266 if (mode->rates == NULL) {
1267 os_free(mode->channels);
1268 (*num_modes)--;
1269 return modes; /* Could not add 802.11b mode */
1270 }
1271
1272 for (i = 0; i < mode11g->num_rates; i++) {
1273 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
1274 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
1275 continue;
1276 mode->rates[mode->num_rates] = mode11g->rates[i];
1277 mode->num_rates++;
1278 if (mode->num_rates == 4)
1279 break;
1280 }
1281
1282 if (mode->num_rates == 0) {
1283 os_free(mode->channels);
1284 os_free(mode->rates);
1285 (*num_modes)--;
1286 return modes; /* No 802.11b rates */
1287 }
1288
1289 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
1290 "information");
1291
1292 return modes;
1293}
1294
1295
1296static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
1297 int end)
1298{
1299 int c;
1300
1301 for (c = 0; c < mode->num_channels; c++) {
1302 struct hostapd_channel_data *chan = &mode->channels[c];
1303 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
1304 chan->flag |= HOSTAPD_CHAN_HT40;
1305 }
1306}
1307
1308
1309static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
1310 int end)
1311{
1312 int c;
1313
1314 for (c = 0; c < mode->num_channels; c++) {
1315 struct hostapd_channel_data *chan = &mode->channels[c];
1316 if (!(chan->flag & HOSTAPD_CHAN_HT40))
1317 continue;
1318 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
1319 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
1320 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
1321 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
1322 }
1323}
1324
1325
1326static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
1327 struct phy_info_arg *results)
1328{
1329 u16 m;
1330
1331 for (m = 0; m < *results->num_modes; m++) {
1332 int c;
1333 struct hostapd_hw_modes *mode = &results->modes[m];
1334
1335 for (c = 0; c < mode->num_channels; c++) {
1336 struct hostapd_channel_data *chan = &mode->channels[c];
1337 if ((u32) chan->freq - 10 >= start &&
1338 (u32) chan->freq + 10 <= end)
1339 chan->max_tx_power = max_eirp;
1340 }
1341 }
1342}
1343
1344
1345static void nl80211_reg_rule_ht40(u32 start, u32 end,
1346 struct phy_info_arg *results)
1347{
1348 u16 m;
1349
1350 for (m = 0; m < *results->num_modes; m++) {
1351 if (!(results->modes[m].ht_capab &
1352 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1353 continue;
1354 nl80211_set_ht40_mode(&results->modes[m], start, end);
1355 }
1356}
1357
1358
1359static void nl80211_reg_rule_sec(struct nlattr *tb[],
1360 struct phy_info_arg *results)
1361{
1362 u32 start, end, max_bw;
1363 u16 m;
1364
1365 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1366 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1367 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1368 return;
1369
1370 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1371 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1372 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1373
1374 if (max_bw < 20)
1375 return;
1376
1377 for (m = 0; m < *results->num_modes; m++) {
1378 if (!(results->modes[m].ht_capab &
1379 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1380 continue;
1381 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
1382 }
1383}
1384
1385
1386static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
1387 int end)
1388{
1389 int c;
1390
1391 for (c = 0; c < mode->num_channels; c++) {
1392 struct hostapd_channel_data *chan = &mode->channels[c];
1393 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
1394 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
1395
1396 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
1397 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
1398
1399 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
1400 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
1401
1402 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
1403 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
1404 }
1405}
1406
1407
1408static void nl80211_reg_rule_vht(struct nlattr *tb[],
1409 struct phy_info_arg *results)
1410{
1411 u32 start, end, max_bw;
1412 u16 m;
1413
1414 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1415 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1416 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1417 return;
1418
1419 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1420 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1421 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1422
1423 if (max_bw < 80)
1424 return;
1425
1426 for (m = 0; m < *results->num_modes; m++) {
1427 if (!(results->modes[m].ht_capab &
1428 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1429 continue;
1430 /* TODO: use a real VHT support indication */
1431 if (!results->modes[m].vht_capab)
1432 continue;
1433
1434 nl80211_set_vht_mode(&results->modes[m], start, end);
1435 }
1436}
1437
1438
1439static const char * dfs_domain_name(enum nl80211_dfs_regions region)
1440{
1441 switch (region) {
1442 case NL80211_DFS_UNSET:
1443 return "DFS-UNSET";
1444 case NL80211_DFS_FCC:
1445 return "DFS-FCC";
1446 case NL80211_DFS_ETSI:
1447 return "DFS-ETSI";
1448 case NL80211_DFS_JP:
1449 return "DFS-JP";
1450 default:
1451 return "DFS-invalid";
1452 }
1453}
1454
1455
1456static int nl80211_get_reg(struct nl_msg *msg, void *arg)
1457{
1458 struct phy_info_arg *results = arg;
1459 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1460 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1461 struct nlattr *nl_rule;
1462 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
1463 int rem_rule;
1464 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1465 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1466 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1467 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1468 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1469 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1470 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1471 };
1472
1473 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1474 genlmsg_attrlen(gnlh, 0), NULL);
1475 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
1476 !tb_msg[NL80211_ATTR_REG_RULES]) {
1477 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
1478 "available");
1479 return NL_SKIP;
1480 }
1481
1482 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
1483 enum nl80211_dfs_regions dfs_domain;
1484 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
1485 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
1486 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
1487 dfs_domain_name(dfs_domain));
1488 } else {
1489 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
1490 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
1491 }
1492
1493 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1494 {
1495 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
1496 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1497 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1498 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1499 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
1500 continue;
1501 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1502 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1503 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1504 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
1505 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1506 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1507 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
1508 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
1509
1510 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
1511 start, end, max_bw, max_eirp,
1512 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
1513 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
1514 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
1515 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
1516 "",
1517 flags & NL80211_RRF_DFS ? " (DFS)" : "",
1518 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
1519 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
1520 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
1521 if (max_bw >= 40)
1522 nl80211_reg_rule_ht40(start, end, results);
1523 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1524 nl80211_reg_rule_max_eirp(start, end, max_eirp,
1525 results);
1526 }
1527
1528 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1529 {
1530 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1531 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1532 nl80211_reg_rule_sec(tb_rule, results);
1533 }
1534
1535 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1536 {
1537 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1538 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1539 nl80211_reg_rule_vht(tb_rule, results);
1540 }
1541
1542 return NL_SKIP;
1543}
1544
1545
1546static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
1547 struct phy_info_arg *results)
1548{
1549 struct nl_msg *msg;
1550
1551 msg = nlmsg_alloc();
1552 if (!msg)
1553 return -ENOMEM;
1554
1555 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1556 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
1557}
1558
1559
1560struct hostapd_hw_modes *
1561nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
1562{
1563 u32 feat;
1564 struct i802_bss *bss = priv;
1565 struct wpa_driver_nl80211_data *drv = bss->drv;
9589a91e 1566 int nl_flags = 0;
0fafeb54
JM		 1567 struct nl_msg *msg;
1568 struct phy_info_arg result = {
1569 .num_modes = num_modes,
1570 .modes = NULL,
1571 .last_mode = -1,
1572 };
1573
1574 *num_modes = 0;
1575 *flags = 0;
1576
0fafeb54
JM		 1577 feat = get_nl80211_protocol_features(drv);
1578 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
9589a91e 1579 nl_flags = NLM_F_DUMP;
56f77852
JM		 1580 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
1581 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
9589a91e
JM		 1582 nlmsg_free(msg);
1583 return NULL;
1584 }
0fafeb54
JM		 1585
1586 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
1587 nl80211_set_regulatory_flags(drv, &result);
1588 return wpa_driver_nl80211_postprocess_modes(result.modes,
1589 num_modes);
1590 }
9589a91e 1591
0fafeb54
JM		 1592 return NULL;
1593}
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