Line data Source code
1 : /*
2 : * Driver interaction with Linux nl80211/cfg80211 - Capabilities
3 : * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 : * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
5 : * Copyright (c) 2009-2010, Atheros Communications
6 : *
7 : * This software may be distributed under the terms of the BSD license.
8 : * See README for more details.
9 : */
10 :
11 : #include "includes.h"
12 : #include <netlink/genl/genl.h>
13 :
14 : #include "utils/common.h"
15 : #include "common/ieee802_11_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 :
22 20627 : static int protocol_feature_handler(struct nl_msg *msg, void *arg)
23 : {
24 20627 : u32 *feat = arg;
25 : struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
26 20627 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
27 :
28 20627 : nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
29 : genlmsg_attrlen(gnlh, 0), NULL);
30 :
31 20627 : if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
32 20627 : *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
33 :
34 20627 : return NL_SKIP;
35 : }
36 :
37 :
38 20627 : static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
39 : {
40 20627 : u32 feat = 0;
41 : struct nl_msg *msg;
42 :
43 20627 : msg = nlmsg_alloc();
44 20627 : if (!msg)
45 0 : return 0;
46 :
47 20627 : if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) {
48 0 : nlmsg_free(msg);
49 0 : return 0;
50 : }
51 :
52 20627 : if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
53 20627 : return feat;
54 :
55 0 : return 0;
56 : }
57 :
58 :
59 : struct wiphy_info_data {
60 : struct wpa_driver_nl80211_data *drv;
61 : struct wpa_driver_capa *capa;
62 :
63 : unsigned int num_multichan_concurrent;
64 :
65 : unsigned int error:1;
66 : unsigned int device_ap_sme:1;
67 : unsigned int poll_command_supported:1;
68 : unsigned int data_tx_status:1;
69 : unsigned int auth_supported:1;
70 : unsigned int connect_supported:1;
71 : unsigned int p2p_go_supported:1;
72 : unsigned int p2p_client_supported:1;
73 : unsigned int p2p_go_ctwindow_supported:1;
74 : unsigned int p2p_concurrent:1;
75 : unsigned int channel_switch_supported:1;
76 : unsigned int set_qos_map_supported:1;
77 : unsigned int have_low_prio_scan:1;
78 : unsigned int wmm_ac_supported:1;
79 : unsigned int mac_addr_rand_scan_supported:1;
80 : unsigned int mac_addr_rand_sched_scan_supported:1;
81 : };
82 :
83 :
84 0 : static unsigned int probe_resp_offload_support(int supp_protocols)
85 : {
86 0 : unsigned int prot = 0;
87 :
88 0 : if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
89 0 : prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
90 0 : if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
91 0 : prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
92 0 : if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
93 0 : prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
94 0 : if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
95 0 : prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
96 :
97 0 : return prot;
98 : }
99 :
100 :
101 145970 : static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
102 : struct nlattr *tb)
103 : {
104 : struct nlattr *nl_mode;
105 : int i;
106 :
107 145970 : if (tb == NULL)
108 289286 : return;
109 :
110 23960 : nla_for_each_nested(nl_mode, tb, i) {
111 21306 : switch (nla_type(nl_mode)) {
112 : case NL80211_IFTYPE_AP:
113 2654 : info->capa->flags |= WPA_DRIVER_FLAGS_AP;
114 2654 : break;
115 : case NL80211_IFTYPE_MESH_POINT:
116 2654 : info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
117 2654 : break;
118 : case NL80211_IFTYPE_ADHOC:
119 2654 : info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
120 2654 : break;
121 : case NL80211_IFTYPE_P2P_DEVICE:
122 74 : info->capa->flags |=
123 : WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
124 74 : break;
125 : case NL80211_IFTYPE_P2P_GO:
126 2654 : info->p2p_go_supported = 1;
127 2654 : break;
128 : case NL80211_IFTYPE_P2P_CLIENT:
129 2654 : info->p2p_client_supported = 1;
130 2654 : break;
131 : }
132 : }
133 : }
134 :
135 :
136 2654 : static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
137 : struct nlattr *nl_combi)
138 : {
139 : struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
140 : struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
141 : struct nlattr *nl_limit, *nl_mode;
142 : int err, rem_limit, rem_mode;
143 2654 : int combination_has_p2p = 0, combination_has_mgd = 0;
144 : static struct nla_policy
145 : iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
146 : [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
147 : [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
148 : [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
149 : [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
150 : [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
151 : },
152 : iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
153 : [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
154 : [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
155 : };
156 :
157 2654 : err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
158 : nl_combi, iface_combination_policy);
159 5308 : if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
160 5308 : !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
161 2654 : !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
162 0 : return 0; /* broken combination */
163 :
164 2654 : if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
165 2654 : info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
166 :
167 5308 : nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
168 : rem_limit) {
169 5308 : err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
170 : nl_limit, iface_limit_policy);
171 5308 : if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
172 0 : return 0; /* broken combination */
173 :
174 21232 : nla_for_each_nested(nl_mode,
175 : tb_limit[NL80211_IFACE_LIMIT_TYPES],
176 : rem_mode) {
177 15924 : int ift = nla_type(nl_mode);
178 15924 : if (ift == NL80211_IFTYPE_P2P_GO ||
179 : ift == NL80211_IFTYPE_P2P_CLIENT)
180 5308 : combination_has_p2p = 1;
181 15924 : if (ift == NL80211_IFTYPE_STATION)
182 2654 : combination_has_mgd = 1;
183 : }
184 5308 : if (combination_has_p2p && combination_has_mgd)
185 2654 : break;
186 : }
187 :
188 2654 : if (combination_has_p2p && combination_has_mgd) {
189 2654 : unsigned int num_channels =
190 2654 : nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
191 :
192 2654 : info->p2p_concurrent = 1;
193 2654 : if (info->num_multichan_concurrent < num_channels)
194 2654 : info->num_multichan_concurrent = num_channels;
195 : }
196 :
197 2654 : return 0;
198 : }
199 :
200 :
201 145970 : static void wiphy_info_iface_comb(struct wiphy_info_data *info,
202 : struct nlattr *tb)
203 : {
204 : struct nlattr *nl_combi;
205 : int rem_combi;
206 :
207 145970 : if (tb == NULL)
208 289286 : return;
209 :
210 5308 : nla_for_each_nested(nl_combi, tb, rem_combi) {
211 2654 : if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
212 0 : break;
213 : }
214 : }
215 :
216 :
217 145970 : static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
218 : struct nlattr *tb)
219 : {
220 : struct nlattr *nl_cmd;
221 : int i;
222 :
223 145970 : if (tb == NULL)
224 289286 : return;
225 :
226 87582 : nla_for_each_nested(nl_cmd, tb, i) {
227 84928 : switch (nla_get_u32(nl_cmd)) {
228 : case NL80211_CMD_AUTHENTICATE:
229 2654 : info->auth_supported = 1;
230 2654 : break;
231 : case NL80211_CMD_CONNECT:
232 2654 : info->connect_supported = 1;
233 2654 : break;
234 : case NL80211_CMD_START_SCHED_SCAN:
235 0 : info->capa->sched_scan_supported = 1;
236 0 : break;
237 : case NL80211_CMD_PROBE_CLIENT:
238 2654 : info->poll_command_supported = 1;
239 2654 : break;
240 : case NL80211_CMD_CHANNEL_SWITCH:
241 2654 : info->channel_switch_supported = 1;
242 2654 : break;
243 : case NL80211_CMD_SET_QOS_MAP:
244 2654 : info->set_qos_map_supported = 1;
245 2654 : break;
246 : }
247 : }
248 : }
249 :
250 :
251 145970 : static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
252 : struct nlattr *tb)
253 : {
254 : int i, num;
255 : u32 *ciphers;
256 :
257 145970 : if (tb == NULL)
258 289286 : return;
259 :
260 2654 : num = nla_len(tb) / sizeof(u32);
261 2654 : ciphers = nla_data(tb);
262 31848 : for (i = 0; i < num; i++) {
263 29194 : u32 c = ciphers[i];
264 :
265 87582 : wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
266 29194 : c >> 24, (c >> 16) & 0xff,
267 29194 : (c >> 8) & 0xff, c & 0xff);
268 29194 : switch (c) {
269 : case WLAN_CIPHER_SUITE_CCMP_256:
270 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
271 2654 : break;
272 : case WLAN_CIPHER_SUITE_GCMP_256:
273 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
274 2654 : break;
275 : case WLAN_CIPHER_SUITE_CCMP:
276 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
277 2654 : break;
278 : case WLAN_CIPHER_SUITE_GCMP:
279 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
280 2654 : break;
281 : case WLAN_CIPHER_SUITE_TKIP:
282 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
283 2654 : break;
284 : case WLAN_CIPHER_SUITE_WEP104:
285 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
286 2654 : break;
287 : case WLAN_CIPHER_SUITE_WEP40:
288 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
289 2654 : break;
290 : case WLAN_CIPHER_SUITE_AES_CMAC:
291 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
292 2654 : break;
293 : case WLAN_CIPHER_SUITE_BIP_GMAC_128:
294 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
295 2654 : break;
296 : case WLAN_CIPHER_SUITE_BIP_GMAC_256:
297 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
298 2654 : break;
299 : case WLAN_CIPHER_SUITE_BIP_CMAC_256:
300 2654 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
301 2654 : break;
302 : case WLAN_CIPHER_SUITE_NO_GROUP_ADDR:
303 0 : info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
304 0 : break;
305 : }
306 : }
307 : }
308 :
309 :
310 145970 : static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
311 : struct nlattr *tb)
312 : {
313 145970 : if (tb)
314 2654 : capa->max_remain_on_chan = nla_get_u32(tb);
315 145970 : }
316 :
317 :
318 145970 : static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
319 : struct nlattr *ext_setup)
320 : {
321 145970 : if (tdls == NULL)
322 289286 : return;
323 :
324 2654 : wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
325 2654 : capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
326 :
327 2654 : if (ext_setup) {
328 2654 : wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
329 2654 : capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
330 : }
331 : }
332 :
333 :
334 5308 : static int ext_feature_isset(const u8 *ext_features, int ext_features_len,
335 : enum nl80211_ext_feature_index ftidx)
336 : {
337 : u8 ft_byte;
338 :
339 5308 : if ((int) ftidx / 8 >= ext_features_len)
340 0 : return 0;
341 :
342 5308 : ft_byte = ext_features[ftidx / 8];
343 5308 : return (ft_byte & BIT(ftidx % 8)) != 0;
344 : }
345 :
346 :
347 145970 : static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
348 : struct nlattr *tb)
349 : {
350 145970 : struct wpa_driver_capa *capa = info->capa;
351 : u8 *ext_features;
352 : int len;
353 :
354 145970 : if (tb == NULL)
355 289286 : return;
356 :
357 2654 : ext_features = nla_data(tb);
358 2654 : len = nla_len(tb);
359 :
360 2654 : if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS))
361 2654 : capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
362 :
363 2654 : if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
364 2654 : capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
365 : }
366 :
367 :
368 145970 : static void wiphy_info_feature_flags(struct wiphy_info_data *info,
369 : struct nlattr *tb)
370 : {
371 : u32 flags;
372 145970 : struct wpa_driver_capa *capa = info->capa;
373 :
374 145970 : if (tb == NULL)
375 289286 : return;
376 :
377 2654 : flags = nla_get_u32(tb);
378 :
379 2654 : if (flags & NL80211_FEATURE_SK_TX_STATUS)
380 2654 : info->data_tx_status = 1;
381 :
382 2654 : if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
383 0 : capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
384 :
385 2654 : if (flags & NL80211_FEATURE_SAE)
386 2654 : capa->flags |= WPA_DRIVER_FLAGS_SAE;
387 :
388 2654 : if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
389 0 : capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
390 :
391 2654 : if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
392 2654 : capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
393 :
394 2654 : if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
395 2654 : wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
396 2654 : capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
397 : }
398 :
399 2654 : if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
400 0 : info->p2p_go_ctwindow_supported = 1;
401 :
402 2654 : if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
403 2624 : info->have_low_prio_scan = 1;
404 :
405 2654 : if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
406 2654 : info->mac_addr_rand_scan_supported = 1;
407 :
408 2654 : if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
409 0 : info->mac_addr_rand_sched_scan_supported = 1;
410 :
411 2654 : if (flags & NL80211_FEATURE_STATIC_SMPS)
412 2654 : capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC;
413 :
414 2654 : if (flags & NL80211_FEATURE_DYNAMIC_SMPS)
415 2654 : capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC;
416 :
417 2654 : if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
418 0 : info->wmm_ac_supported = 1;
419 :
420 2654 : if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
421 2654 : capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
422 :
423 2654 : if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
424 0 : capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
425 :
426 2654 : if (flags & NL80211_FEATURE_QUIET)
427 2654 : capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
428 :
429 2654 : if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
430 0 : capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
431 :
432 2654 : if (flags & NL80211_FEATURE_HT_IBSS)
433 2654 : capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
434 :
435 2654 : if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
436 2654 : capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
437 : }
438 :
439 :
440 145970 : static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
441 : struct nlattr *tb)
442 : {
443 : u32 protocols;
444 :
445 145970 : if (tb == NULL)
446 291940 : return;
447 :
448 0 : protocols = nla_get_u32(tb);
449 0 : wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
450 : "mode");
451 0 : capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
452 0 : capa->probe_resp_offloads = probe_resp_offload_support(protocols);
453 : }
454 :
455 :
456 145970 : static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
457 : struct nlattr *tb)
458 : {
459 : struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
460 :
461 145970 : if (tb == NULL)
462 291940 : return;
463 :
464 0 : if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
465 : tb, NULL))
466 0 : return;
467 :
468 0 : if (triggers[NL80211_WOWLAN_TRIG_ANY])
469 0 : capa->wowlan_triggers.any = 1;
470 0 : if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
471 0 : capa->wowlan_triggers.disconnect = 1;
472 0 : if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
473 0 : capa->wowlan_triggers.magic_pkt = 1;
474 0 : if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
475 0 : capa->wowlan_triggers.gtk_rekey_failure = 1;
476 0 : if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
477 0 : capa->wowlan_triggers.eap_identity_req = 1;
478 0 : if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
479 0 : capa->wowlan_triggers.four_way_handshake = 1;
480 0 : if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
481 0 : capa->wowlan_triggers.rfkill_release = 1;
482 : }
483 :
484 :
485 145970 : static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
486 : struct nlattr *tb)
487 : {
488 145970 : int rem = 0, i;
489 : struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
490 :
491 145970 : if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
492 291940 : return;
493 :
494 0 : nla_for_each_nested(attr, tb, rem) {
495 : unsigned int len;
496 : struct drv_nl80211_ext_capa *capa;
497 :
498 0 : nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
499 : nla_len(attr), NULL);
500 :
501 0 : if (!tb1[NL80211_ATTR_IFTYPE] ||
502 0 : !tb1[NL80211_ATTR_EXT_CAPA] ||
503 0 : !tb1[NL80211_ATTR_EXT_CAPA_MASK])
504 0 : continue;
505 :
506 0 : capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
507 0 : capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
508 0 : wpa_printf(MSG_DEBUG,
509 : "nl80211: Driver-advertised extended capabilities for interface type %s",
510 : nl80211_iftype_str(capa->iftype));
511 :
512 0 : len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
513 0 : capa->ext_capa = os_malloc(len);
514 0 : if (!capa->ext_capa)
515 0 : goto err;
516 :
517 0 : os_memcpy(capa->ext_capa, nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
518 : len);
519 0 : capa->ext_capa_len = len;
520 0 : wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
521 0 : capa->ext_capa, capa->ext_capa_len);
522 :
523 0 : len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
524 0 : capa->ext_capa_mask = os_malloc(len);
525 0 : if (!capa->ext_capa_mask)
526 0 : goto err;
527 :
528 0 : os_memcpy(capa->ext_capa_mask,
529 : nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), len);
530 0 : wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
531 0 : capa->ext_capa_mask, capa->ext_capa_len);
532 :
533 0 : drv->num_iface_ext_capa++;
534 0 : if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
535 0 : break;
536 : }
537 :
538 0 : return;
539 :
540 : err:
541 : /* Cleanup allocated memory on error */
542 0 : for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
543 0 : os_free(drv->iface_ext_capa[i].ext_capa);
544 0 : drv->iface_ext_capa[i].ext_capa = NULL;
545 0 : os_free(drv->iface_ext_capa[i].ext_capa_mask);
546 0 : drv->iface_ext_capa[i].ext_capa_mask = NULL;
547 0 : drv->iface_ext_capa[i].ext_capa_len = 0;
548 : }
549 0 : drv->num_iface_ext_capa = 0;
550 : }
551 :
552 :
553 145970 : static int wiphy_info_handler(struct nl_msg *msg, void *arg)
554 : {
555 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
556 145970 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
557 145970 : struct wiphy_info_data *info = arg;
558 145970 : struct wpa_driver_capa *capa = info->capa;
559 145970 : struct wpa_driver_nl80211_data *drv = info->drv;
560 :
561 145970 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
562 : genlmsg_attrlen(gnlh, 0), NULL);
563 :
564 145970 : if (tb[NL80211_ATTR_WIPHY])
565 145970 : drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
566 :
567 145970 : if (tb[NL80211_ATTR_WIPHY_NAME])
568 145970 : os_strlcpy(drv->phyname,
569 145970 : nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
570 : sizeof(drv->phyname));
571 145970 : if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
572 2654 : capa->max_scan_ssids =
573 2654 : nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
574 :
575 145970 : if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
576 2654 : capa->max_sched_scan_ssids =
577 2654 : nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
578 :
579 148624 : if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
580 5308 : tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
581 2654 : tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
582 2654 : capa->max_sched_scan_plans =
583 2654 : nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
584 :
585 2654 : capa->max_sched_scan_plan_interval =
586 2654 : nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
587 :
588 2654 : capa->max_sched_scan_plan_iterations =
589 2654 : nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
590 : }
591 :
592 145970 : if (tb[NL80211_ATTR_MAX_MATCH_SETS])
593 2654 : capa->max_match_sets =
594 2654 : nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
595 :
596 145970 : if (tb[NL80211_ATTR_MAC_ACL_MAX])
597 0 : capa->max_acl_mac_addrs =
598 0 : nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
599 :
600 145970 : wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
601 145970 : wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
602 145970 : wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
603 145970 : wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
604 :
605 145970 : if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
606 2654 : wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
607 : "off-channel TX");
608 2654 : capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
609 : }
610 :
611 145970 : if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
612 0 : wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
613 0 : capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
614 : }
615 :
616 145970 : wiphy_info_max_roc(capa,
617 : tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
618 :
619 145970 : if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
620 2654 : capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
621 :
622 145970 : wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
623 : tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
624 :
625 145970 : if (tb[NL80211_ATTR_DEVICE_AP_SME])
626 0 : info->device_ap_sme = 1;
627 :
628 145970 : wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
629 145970 : wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
630 145970 : wiphy_info_probe_resp_offload(capa,
631 : tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
632 :
633 148624 : if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
634 2654 : drv->extended_capa == NULL) {
635 2654 : drv->extended_capa =
636 2654 : os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
637 2654 : if (drv->extended_capa) {
638 2654 : os_memcpy(drv->extended_capa,
639 : nla_data(tb[NL80211_ATTR_EXT_CAPA]),
640 : nla_len(tb[NL80211_ATTR_EXT_CAPA]));
641 2654 : drv->extended_capa_len =
642 2654 : nla_len(tb[NL80211_ATTR_EXT_CAPA]);
643 5308 : wpa_hexdump(MSG_DEBUG,
644 : "nl80211: Driver-advertised extended capabilities (default)",
645 5308 : drv->extended_capa, drv->extended_capa_len);
646 : }
647 2654 : drv->extended_capa_mask =
648 2654 : os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
649 2654 : if (drv->extended_capa_mask) {
650 2654 : os_memcpy(drv->extended_capa_mask,
651 : nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
652 : nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
653 5308 : wpa_hexdump(MSG_DEBUG,
654 : "nl80211: Driver-advertised extended capabilities mask (default)",
655 2654 : drv->extended_capa_mask,
656 2654 : drv->extended_capa_len);
657 : } else {
658 0 : os_free(drv->extended_capa);
659 0 : drv->extended_capa = NULL;
660 0 : drv->extended_capa_len = 0;
661 : }
662 : }
663 :
664 145970 : wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
665 :
666 145970 : if (tb[NL80211_ATTR_VENDOR_DATA]) {
667 : struct nlattr *nl;
668 : int rem;
669 :
670 5308 : nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
671 : struct nl80211_vendor_cmd_info *vinfo;
672 2654 : if (nla_len(nl) != sizeof(*vinfo)) {
673 0 : wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
674 0 : continue;
675 : }
676 2654 : vinfo = nla_data(nl);
677 2654 : if (vinfo->vendor_id == OUI_QCA) {
678 2654 : switch (vinfo->subcmd) {
679 : case QCA_NL80211_VENDOR_SUBCMD_TEST:
680 2654 : drv->vendor_cmd_test_avail = 1;
681 2654 : break;
682 : #ifdef CONFIG_DRIVER_NL80211_QCA
683 : case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
684 : drv->roaming_vendor_cmd_avail = 1;
685 : break;
686 : case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
687 : drv->dfs_vendor_cmd_avail = 1;
688 : break;
689 : case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
690 : drv->get_features_vendor_cmd_avail = 1;
691 : break;
692 : case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
693 : drv->get_pref_freq_list = 1;
694 : break;
695 : case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
696 : drv->set_prob_oper_freq = 1;
697 : break;
698 : case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
699 : drv->capa.flags |=
700 : WPA_DRIVER_FLAGS_ACS_OFFLOAD;
701 : break;
702 : case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
703 : drv->setband_vendor_cmd_avail = 1;
704 : break;
705 : case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
706 : drv->scan_vendor_cmd_avail = 1;
707 : break;
708 : case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
709 : drv->set_wifi_conf_vendor_cmd_avail = 1;
710 : break;
711 : #endif /* CONFIG_DRIVER_NL80211_QCA */
712 : }
713 : }
714 :
715 2654 : wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
716 : vinfo->vendor_id, vinfo->subcmd);
717 : }
718 : }
719 :
720 145970 : if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
721 : struct nlattr *nl;
722 : int rem;
723 :
724 5308 : nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
725 : struct nl80211_vendor_cmd_info *vinfo;
726 2654 : if (nla_len(nl) != sizeof(*vinfo)) {
727 0 : wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
728 0 : continue;
729 : }
730 2654 : vinfo = nla_data(nl);
731 2654 : wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
732 : vinfo->vendor_id, vinfo->subcmd);
733 : }
734 : }
735 :
736 145970 : wiphy_info_wowlan_triggers(capa,
737 : tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
738 :
739 145970 : if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
740 0 : capa->max_stations =
741 0 : nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
742 :
743 145970 : if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
744 2654 : capa->max_csa_counters =
745 2654 : nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
746 :
747 145970 : return NL_SKIP;
748 : }
749 :
750 :
751 2657 : static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
752 : struct wiphy_info_data *info)
753 : {
754 : u32 feat;
755 : struct nl_msg *msg;
756 2657 : int flags = 0;
757 :
758 2657 : os_memset(info, 0, sizeof(*info));
759 2657 : info->capa = &drv->capa;
760 2657 : info->drv = drv;
761 :
762 2657 : feat = get_nl80211_protocol_features(drv);
763 2657 : if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
764 2657 : flags = NLM_F_DUMP;
765 2657 : msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
766 2657 : if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
767 0 : nlmsg_free(msg);
768 0 : return -1;
769 : }
770 :
771 2657 : if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
772 0 : return -1;
773 :
774 2657 : if (info->auth_supported)
775 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
776 3 : else if (!info->connect_supported) {
777 3 : wpa_printf(MSG_INFO, "nl80211: Driver does not support "
778 : "authentication/association or connect commands");
779 3 : info->error = 1;
780 : }
781 :
782 2657 : if (info->p2p_go_supported && info->p2p_client_supported)
783 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
784 2657 : if (info->p2p_concurrent) {
785 2654 : wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
786 : "interface (driver advertised support)");
787 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
788 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
789 : }
790 2657 : if (info->num_multichan_concurrent > 1) {
791 30 : wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
792 : "concurrent (driver advertised support)");
793 30 : drv->capa.num_multichan_concurrent =
794 30 : info->num_multichan_concurrent;
795 : }
796 2657 : if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
797 74 : wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
798 :
799 : /* default to 5000 since early versions of mac80211 don't set it */
800 2657 : if (!drv->capa.max_remain_on_chan)
801 3 : drv->capa.max_remain_on_chan = 5000;
802 :
803 2657 : drv->capa.wmm_ac_supported = info->wmm_ac_supported;
804 :
805 2657 : drv->capa.mac_addr_rand_sched_scan_supported =
806 2657 : info->mac_addr_rand_sched_scan_supported;
807 2657 : drv->capa.mac_addr_rand_scan_supported =
808 2657 : info->mac_addr_rand_scan_supported;
809 :
810 2657 : if (info->channel_switch_supported) {
811 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
812 2654 : if (!drv->capa.max_csa_counters)
813 0 : drv->capa.max_csa_counters = 1;
814 : }
815 :
816 2657 : if (!drv->capa.max_sched_scan_plans) {
817 3 : drv->capa.max_sched_scan_plans = 1;
818 3 : drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
819 3 : drv->capa.max_sched_scan_plan_iterations = 0;
820 : }
821 :
822 2657 : return 0;
823 : }
824 :
825 :
826 : #ifdef CONFIG_DRIVER_NL80211_QCA
827 :
828 : static int dfs_info_handler(struct nl_msg *msg, void *arg)
829 : {
830 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
831 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
832 : int *dfs_capability_ptr = arg;
833 :
834 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
835 : genlmsg_attrlen(gnlh, 0), NULL);
836 :
837 : if (tb[NL80211_ATTR_VENDOR_DATA]) {
838 : struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
839 : struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
840 :
841 : nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
842 : nla_data(nl_vend), nla_len(nl_vend), NULL);
843 :
844 : if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
845 : u32 val;
846 : val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
847 : wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
848 : val);
849 : *dfs_capability_ptr = val;
850 : }
851 : }
852 :
853 : return NL_SKIP;
854 : }
855 :
856 :
857 : static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
858 : {
859 : struct nl_msg *msg;
860 : int dfs_capability = 0;
861 : int ret;
862 :
863 : if (!drv->dfs_vendor_cmd_avail)
864 : return;
865 :
866 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
867 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
868 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
869 : QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
870 : nlmsg_free(msg);
871 : return;
872 : }
873 :
874 : ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
875 : if (!ret && dfs_capability)
876 : drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
877 : }
878 :
879 :
880 : struct features_info {
881 : u8 *flags;
882 : size_t flags_len;
883 : struct wpa_driver_capa *capa;
884 : };
885 :
886 :
887 : static int features_info_handler(struct nl_msg *msg, void *arg)
888 : {
889 : struct nlattr *tb[NL80211_ATTR_MAX + 1];
890 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
891 : struct features_info *info = arg;
892 : struct nlattr *nl_vend, *attr;
893 :
894 : nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
895 : genlmsg_attrlen(gnlh, 0), NULL);
896 :
897 : nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
898 : if (nl_vend) {
899 : struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
900 :
901 : nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
902 : nla_data(nl_vend), nla_len(nl_vend), NULL);
903 :
904 : attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
905 : if (attr) {
906 : int len = nla_len(attr);
907 : info->flags = os_malloc(len);
908 : if (info->flags != NULL) {
909 : os_memcpy(info->flags, nla_data(attr), len);
910 : info->flags_len = len;
911 : }
912 : }
913 : attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
914 : if (attr)
915 : info->capa->conc_capab = nla_get_u32(attr);
916 :
917 : attr = tb_vendor[
918 : QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
919 : if (attr)
920 : info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
921 :
922 : attr = tb_vendor[
923 : QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
924 : if (attr)
925 : info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
926 : }
927 :
928 : return NL_SKIP;
929 : }
930 :
931 :
932 : static int check_feature(enum qca_wlan_vendor_features feature,
933 : struct features_info *info)
934 : {
935 : size_t idx = feature / 8;
936 :
937 : return (idx < info->flags_len) &&
938 : (info->flags[idx] & BIT(feature % 8));
939 : }
940 :
941 :
942 : static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
943 : {
944 : struct nl_msg *msg;
945 : struct features_info info;
946 : int ret;
947 :
948 : if (!drv->get_features_vendor_cmd_avail)
949 : return;
950 :
951 : if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
952 : nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
953 : nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
954 : QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
955 : nlmsg_free(msg);
956 : return;
957 : }
958 :
959 : os_memset(&info, 0, sizeof(info));
960 : info.capa = &drv->capa;
961 : ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
962 : if (ret || !info.flags)
963 : return;
964 :
965 : if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
966 : drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
967 :
968 : if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
969 : drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
970 :
971 : if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
972 : &info))
973 : drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
974 : if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
975 : drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
976 : os_free(info.flags);
977 : }
978 :
979 : #endif /* CONFIG_DRIVER_NL80211_QCA */
980 :
981 :
982 2657 : int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
983 : {
984 : struct wiphy_info_data info;
985 2657 : if (wpa_driver_nl80211_get_info(drv, &info))
986 0 : return -1;
987 :
988 2657 : if (info.error)
989 3 : return -1;
990 :
991 2654 : drv->has_capability = 1;
992 2654 : drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
993 : WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
994 : WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
995 : WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
996 : WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
997 : WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
998 2654 : drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
999 : WPA_DRIVER_AUTH_SHARED |
1000 : WPA_DRIVER_AUTH_LEAP;
1001 :
1002 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
1003 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1004 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1005 :
1006 : /*
1007 : * As all cfg80211 drivers must support cases where the AP interface is
1008 : * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1009 : * case that the user space daemon has crashed, they must be able to
1010 : * cleanup all stations and key entries in the AP tear down flow. Thus,
1011 : * this flag can/should always be set for cfg80211 drivers.
1012 : */
1013 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1014 :
1015 2654 : if (!info.device_ap_sme) {
1016 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1017 :
1018 : /*
1019 : * No AP SME is currently assumed to also indicate no AP MLME
1020 : * in the driver/firmware.
1021 : */
1022 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1023 : }
1024 :
1025 2654 : drv->device_ap_sme = info.device_ap_sme;
1026 2654 : drv->poll_command_supported = info.poll_command_supported;
1027 2654 : drv->data_tx_status = info.data_tx_status;
1028 2654 : drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1029 2654 : if (info.set_qos_map_supported)
1030 2654 : drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1031 2654 : drv->have_low_prio_scan = info.have_low_prio_scan;
1032 :
1033 : /*
1034 : * If poll command and tx status are supported, mac80211 is new enough
1035 : * to have everything we need to not need monitor interfaces.
1036 : */
1037 5308 : drv->use_monitor = !info.device_ap_sme &&
1038 5308 : (!info.poll_command_supported || !info.data_tx_status);
1039 :
1040 : /*
1041 : * If we aren't going to use monitor interfaces, but the
1042 : * driver doesn't support data TX status, we won't get TX
1043 : * status for EAPOL frames.
1044 : */
1045 2654 : if (!drv->use_monitor && !info.data_tx_status)
1046 0 : drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1047 :
1048 : #ifdef CONFIG_DRIVER_NL80211_QCA
1049 : qca_nl80211_check_dfs_capa(drv);
1050 : qca_nl80211_get_features(drv);
1051 :
1052 : /*
1053 : * To enable offchannel simultaneous support in wpa_supplicant, the
1054 : * underlying driver needs to support the same along with offchannel TX.
1055 : * Offchannel TX support is needed since remain_on_channel and
1056 : * action_tx use some common data structures and hence cannot be
1057 : * scheduled simultaneously.
1058 : */
1059 : if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1060 : drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1061 : #endif /* CONFIG_DRIVER_NL80211_QCA */
1062 :
1063 2654 : return 0;
1064 : }
1065 :
1066 :
1067 : struct phy_info_arg {
1068 : u16 *num_modes;
1069 : struct hostapd_hw_modes *modes;
1070 : int last_mode, last_chan_idx;
1071 : int failed;
1072 : };
1073 :
1074 754270 : static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1075 : struct nlattr *ampdu_factor,
1076 : struct nlattr *ampdu_density,
1077 : struct nlattr *mcs_set)
1078 : {
1079 754270 : if (capa)
1080 35918 : mode->ht_capab = nla_get_u16(capa);
1081 :
1082 754270 : if (ampdu_factor)
1083 35918 : mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1084 :
1085 754270 : if (ampdu_density)
1086 35918 : mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1087 :
1088 754270 : if (mcs_set && nla_len(mcs_set) >= 16) {
1089 : u8 *mcs;
1090 35918 : mcs = nla_data(mcs_set);
1091 35918 : os_memcpy(mode->mcs_set, mcs, 16);
1092 : }
1093 754270 : }
1094 :
1095 :
1096 754270 : static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1097 : struct nlattr *capa,
1098 : struct nlattr *mcs_set)
1099 : {
1100 754270 : if (capa)
1101 17959 : mode->vht_capab = nla_get_u32(capa);
1102 :
1103 754270 : if (mcs_set && nla_len(mcs_set) >= 8) {
1104 : u8 *mcs;
1105 17959 : mcs = nla_data(mcs_set);
1106 17959 : os_memcpy(mode->vht_mcs_set, mcs, 8);
1107 : }
1108 754270 : }
1109 :
1110 :
1111 682435 : static void phy_info_freq(struct hostapd_hw_modes *mode,
1112 : struct hostapd_channel_data *chan,
1113 : struct nlattr *tb_freq[])
1114 : {
1115 : u8 channel;
1116 682435 : chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1117 682435 : chan->flag = 0;
1118 682435 : chan->dfs_cac_ms = 0;
1119 682435 : if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1120 682435 : chan->chan = channel;
1121 :
1122 682435 : if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1123 9126 : chan->flag |= HOSTAPD_CHAN_DISABLED;
1124 682435 : if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1125 426341 : chan->flag |= HOSTAPD_CHAN_NO_IR;
1126 682435 : if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1127 269020 : chan->flag |= HOSTAPD_CHAN_RADAR;
1128 682435 : if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1129 200 : chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1130 682435 : if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1131 0 : chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1132 :
1133 682435 : if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1134 269020 : enum nl80211_dfs_state state =
1135 269020 : nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1136 :
1137 269020 : switch (state) {
1138 : case NL80211_DFS_USABLE:
1139 269020 : chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1140 269020 : break;
1141 : case NL80211_DFS_AVAILABLE:
1142 0 : chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1143 0 : break;
1144 : case NL80211_DFS_UNAVAILABLE:
1145 0 : chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1146 0 : break;
1147 : }
1148 : }
1149 :
1150 682435 : if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1151 269020 : chan->dfs_cac_ms = nla_get_u32(
1152 269020 : tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1153 : }
1154 682435 : }
1155 :
1156 :
1157 754270 : static int phy_info_freqs(struct phy_info_arg *phy_info,
1158 : struct hostapd_hw_modes *mode, struct nlattr *tb)
1159 : {
1160 : static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1161 : [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1162 : [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1163 : [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1164 : [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1165 : [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1166 : [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1167 : };
1168 754270 : int new_channels = 0;
1169 : struct hostapd_channel_data *channel;
1170 : struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1171 : struct nlattr *nl_freq;
1172 : int rem_freq, idx;
1173 :
1174 754270 : if (tb == NULL)
1175 35918 : return NL_OK;
1176 :
1177 1400787 : nla_for_each_nested(nl_freq, tb, rem_freq) {
1178 1364870 : nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1179 682435 : nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1180 682435 : if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1181 0 : continue;
1182 682435 : new_channels++;
1183 : }
1184 :
1185 718352 : channel = os_realloc_array(mode->channels,
1186 718352 : mode->num_channels + new_channels,
1187 : sizeof(struct hostapd_channel_data));
1188 718352 : if (!channel)
1189 0 : return NL_STOP;
1190 :
1191 718352 : mode->channels = channel;
1192 718352 : mode->num_channels += new_channels;
1193 :
1194 718352 : idx = phy_info->last_chan_idx;
1195 :
1196 1400787 : nla_for_each_nested(nl_freq, tb, rem_freq) {
1197 1364870 : nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1198 682435 : nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1199 682435 : if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1200 0 : continue;
1201 682435 : phy_info_freq(mode, &mode->channels[idx], tb_freq);
1202 682435 : idx++;
1203 : }
1204 718352 : phy_info->last_chan_idx = idx;
1205 :
1206 718352 : return NL_OK;
1207 : }
1208 :
1209 :
1210 754270 : static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1211 : {
1212 : static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1213 : [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1214 : [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1215 : { .type = NLA_FLAG },
1216 : };
1217 : struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1218 : struct nlattr *nl_rate;
1219 : int rem_rate, idx;
1220 :
1221 754270 : if (tb == NULL)
1222 718352 : return NL_OK;
1223 :
1224 395098 : nla_for_each_nested(nl_rate, tb, rem_rate) {
1225 718360 : nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1226 359180 : nla_data(nl_rate), nla_len(nl_rate),
1227 : rate_policy);
1228 359180 : if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1229 0 : continue;
1230 359180 : mode->num_rates++;
1231 : }
1232 :
1233 35918 : mode->rates = os_calloc(mode->num_rates, sizeof(int));
1234 35918 : if (!mode->rates)
1235 0 : return NL_STOP;
1236 :
1237 35918 : idx = 0;
1238 :
1239 395098 : nla_for_each_nested(nl_rate, tb, rem_rate) {
1240 718360 : nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1241 359180 : nla_data(nl_rate), nla_len(nl_rate),
1242 : rate_policy);
1243 359180 : if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1244 0 : continue;
1245 359180 : mode->rates[idx] = nla_get_u32(
1246 : tb_rate[NL80211_BITRATE_ATTR_RATE]);
1247 359180 : idx++;
1248 : }
1249 :
1250 35918 : return NL_OK;
1251 : }
1252 :
1253 :
1254 754270 : static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1255 : {
1256 : struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1257 : struct hostapd_hw_modes *mode;
1258 : int ret;
1259 :
1260 754270 : if (phy_info->last_mode != nl_band->nla_type) {
1261 35918 : mode = os_realloc_array(phy_info->modes,
1262 35918 : *phy_info->num_modes + 1,
1263 : sizeof(*mode));
1264 35918 : if (!mode) {
1265 0 : phy_info->failed = 1;
1266 0 : return NL_STOP;
1267 : }
1268 35918 : phy_info->modes = mode;
1269 :
1270 35918 : mode = &phy_info->modes[*(phy_info->num_modes)];
1271 35918 : os_memset(mode, 0, sizeof(*mode));
1272 35918 : mode->mode = NUM_HOSTAPD_MODES;
1273 35918 : mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1274 : HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1275 :
1276 : /*
1277 : * Unsupported VHT MCS stream is defined as value 3, so the VHT
1278 : * MCS RX/TX map must be initialized with 0xffff to mark all 8
1279 : * possible streams as unsupported. This will be overridden if
1280 : * driver advertises VHT support.
1281 : */
1282 35918 : mode->vht_mcs_set[0] = 0xff;
1283 35918 : mode->vht_mcs_set[1] = 0xff;
1284 35918 : mode->vht_mcs_set[4] = 0xff;
1285 35918 : mode->vht_mcs_set[5] = 0xff;
1286 :
1287 35918 : *(phy_info->num_modes) += 1;
1288 35918 : phy_info->last_mode = nl_band->nla_type;
1289 35918 : phy_info->last_chan_idx = 0;
1290 : } else
1291 718352 : mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1292 :
1293 754270 : nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1294 : nla_len(nl_band), NULL);
1295 :
1296 754270 : phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1297 : tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1298 : tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1299 : tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1300 754270 : phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1301 : tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1302 754270 : ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
1303 754270 : if (ret == NL_OK)
1304 754270 : ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1305 754270 : if (ret != NL_OK) {
1306 0 : phy_info->failed = 1;
1307 0 : return ret;
1308 : }
1309 :
1310 754270 : return NL_OK;
1311 : }
1312 :
1313 :
1314 987727 : static int phy_info_handler(struct nl_msg *msg, void *arg)
1315 : {
1316 : struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1317 987727 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1318 987727 : struct phy_info_arg *phy_info = arg;
1319 : struct nlattr *nl_band;
1320 : int rem_band;
1321 :
1322 987727 : nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1323 : genlmsg_attrlen(gnlh, 0), NULL);
1324 :
1325 987727 : if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1326 215499 : return NL_SKIP;
1327 :
1328 1526498 : nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1329 : {
1330 754270 : int res = phy_info_band(phy_info, nl_band);
1331 754270 : if (res != NL_OK)
1332 0 : return res;
1333 : }
1334 :
1335 772228 : return NL_SKIP;
1336 : }
1337 :
1338 :
1339 : static struct hostapd_hw_modes *
1340 17970 : wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1341 : u16 *num_modes)
1342 : {
1343 : u16 m;
1344 17970 : struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1345 17970 : int i, mode11g_idx = -1;
1346 :
1347 : /* heuristic to set up modes */
1348 53888 : for (m = 0; m < *num_modes; m++) {
1349 35918 : if (!modes[m].num_channels)
1350 0 : continue;
1351 35918 : if (modes[m].channels[0].freq < 4000) {
1352 17959 : modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1353 161631 : for (i = 0; i < modes[m].num_rates; i++) {
1354 161631 : if (modes[m].rates[i] > 200) {
1355 17959 : modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1356 17959 : break;
1357 : }
1358 : }
1359 17959 : } else if (modes[m].channels[0].freq > 50000)
1360 0 : modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
1361 : else
1362 17959 : modes[m].mode = HOSTAPD_MODE_IEEE80211A;
1363 : }
1364 :
1365 : /* If only 802.11g mode is included, use it to construct matching
1366 : * 802.11b mode data. */
1367 :
1368 53888 : for (m = 0; m < *num_modes; m++) {
1369 35918 : if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
1370 0 : return modes; /* 802.11b already included */
1371 35918 : if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1372 17959 : mode11g_idx = m;
1373 : }
1374 :
1375 17970 : if (mode11g_idx < 0)
1376 11 : return modes; /* 2.4 GHz band not supported at all */
1377 :
1378 17959 : nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
1379 17959 : if (nmodes == NULL)
1380 1 : return modes; /* Could not add 802.11b mode */
1381 :
1382 17958 : mode = &nmodes[*num_modes];
1383 17958 : os_memset(mode, 0, sizeof(*mode));
1384 17958 : (*num_modes)++;
1385 17958 : modes = nmodes;
1386 :
1387 17958 : mode->mode = HOSTAPD_MODE_IEEE80211B;
1388 :
1389 17958 : mode11g = &modes[mode11g_idx];
1390 17958 : mode->num_channels = mode11g->num_channels;
1391 17958 : mode->channels = os_malloc(mode11g->num_channels *
1392 : sizeof(struct hostapd_channel_data));
1393 17958 : if (mode->channels == NULL) {
1394 1 : (*num_modes)--;
1395 1 : return modes; /* Could not add 802.11b mode */
1396 : }
1397 17957 : os_memcpy(mode->channels, mode11g->channels,
1398 : mode11g->num_channels * sizeof(struct hostapd_channel_data));
1399 :
1400 17957 : mode->num_rates = 0;
1401 17957 : mode->rates = os_malloc(4 * sizeof(int));
1402 17957 : if (mode->rates == NULL) {
1403 1 : os_free(mode->channels);
1404 1 : (*num_modes)--;
1405 1 : return modes; /* Could not add 802.11b mode */
1406 : }
1407 :
1408 71824 : for (i = 0; i < mode11g->num_rates; i++) {
1409 107736 : if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
1410 53868 : mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
1411 0 : continue;
1412 71824 : mode->rates[mode->num_rates] = mode11g->rates[i];
1413 71824 : mode->num_rates++;
1414 71824 : if (mode->num_rates == 4)
1415 17956 : break;
1416 : }
1417 :
1418 17956 : if (mode->num_rates == 0) {
1419 0 : os_free(mode->channels);
1420 0 : os_free(mode->rates);
1421 0 : (*num_modes)--;
1422 0 : return modes; /* No 802.11b rates */
1423 : }
1424 :
1425 17956 : wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
1426 : "information");
1427 :
1428 17956 : return modes;
1429 : }
1430 :
1431 :
1432 214674 : static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
1433 : int end)
1434 : {
1435 : int c;
1436 :
1437 4293438 : for (c = 0; c < mode->num_channels; c++) {
1438 4078764 : struct hostapd_channel_data *chan = &mode->channels[c];
1439 4078764 : if (chan->freq - 10 >= start && chan->freq + 10 <= end)
1440 626896 : chan->flag |= HOSTAPD_CHAN_HT40;
1441 : }
1442 214674 : }
1443 :
1444 :
1445 276632 : static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
1446 : int end)
1447 : {
1448 : int c;
1449 :
1450 5532584 : for (c = 0; c < mode->num_channels; c++) {
1451 5255952 : struct hostapd_channel_data *chan = &mode->channels[c];
1452 5255952 : if (!(chan->flag & HOSTAPD_CHAN_HT40))
1453 422825 : continue;
1454 4833127 : if (chan->freq - 30 >= start && chan->freq - 10 <= end)
1455 501712 : chan->flag |= HOSTAPD_CHAN_HT40MINUS;
1456 4833127 : if (chan->freq + 10 >= start && chan->freq + 30 <= end)
1457 550117 : chan->flag |= HOSTAPD_CHAN_HT40PLUS;
1458 : }
1459 276632 : }
1460 :
1461 :
1462 138407 : static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
1463 : struct phy_info_arg *results)
1464 : {
1465 : u16 m;
1466 :
1467 415045 : for (m = 0; m < *results->num_modes; m++) {
1468 : int c;
1469 276638 : struct hostapd_hw_modes *mode = &results->modes[m];
1470 :
1471 5532704 : for (c = 0; c < mode->num_channels; c++) {
1472 5256066 : struct hostapd_channel_data *chan = &mode->channels[c];
1473 7910528 : if ((u32) chan->freq - 10 >= start &&
1474 2654462 : (u32) chan->freq + 10 <= end)
1475 673339 : chan->max_tx_power = max_eirp;
1476 : }
1477 : }
1478 138407 : }
1479 :
1480 :
1481 107403 : static void nl80211_reg_rule_ht40(u32 start, u32 end,
1482 : struct phy_info_arg *results)
1483 : {
1484 : u16 m;
1485 :
1486 322077 : for (m = 0; m < *results->num_modes; m++) {
1487 214674 : if (!(results->modes[m].ht_capab &
1488 : HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1489 0 : continue;
1490 214674 : nl80211_set_ht40_mode(&results->modes[m], start, end);
1491 : }
1492 107403 : }
1493 :
1494 :
1495 138407 : static void nl80211_reg_rule_sec(struct nlattr *tb[],
1496 : struct phy_info_arg *results)
1497 : {
1498 : u32 start, end, max_bw;
1499 : u16 m;
1500 :
1501 276814 : if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1502 276814 : tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1503 138407 : tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1504 0 : return;
1505 :
1506 138407 : start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1507 138407 : end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1508 138407 : max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1509 :
1510 138407 : if (max_bw < 20)
1511 3 : return;
1512 :
1513 415036 : for (m = 0; m < *results->num_modes; m++) {
1514 276632 : if (!(results->modes[m].ht_capab &
1515 : HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1516 0 : continue;
1517 276632 : nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
1518 : }
1519 : }
1520 :
1521 :
1522 89276 : static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
1523 : int end, int max_bw)
1524 : {
1525 : int c;
1526 :
1527 2231865 : for (c = 0; c < mode->num_channels; c++) {
1528 2142589 : struct hostapd_channel_data *chan = &mode->channels[c];
1529 2142589 : if (chan->freq - 10 >= start && chan->freq + 70 <= end)
1530 231933 : chan->flag |= HOSTAPD_CHAN_VHT_10_70;
1531 :
1532 2142589 : if (chan->freq - 30 >= start && chan->freq + 50 <= end)
1533 231982 : chan->flag |= HOSTAPD_CHAN_VHT_30_50;
1534 :
1535 2142589 : if (chan->freq - 50 >= start && chan->freq + 30 <= end)
1536 231981 : chan->flag |= HOSTAPD_CHAN_VHT_50_30;
1537 :
1538 2142589 : if (chan->freq - 70 >= start && chan->freq + 10 <= end)
1539 214454 : chan->flag |= HOSTAPD_CHAN_VHT_70_10;
1540 :
1541 2142589 : if (max_bw >= 160) {
1542 860794 : if (chan->freq - 10 >= start && chan->freq + 150 <= end)
1543 89242 : chan->flag |= HOSTAPD_CHAN_VHT_10_150;
1544 :
1545 860794 : if (chan->freq - 30 >= start && chan->freq + 130 <= end)
1546 89267 : chan->flag |= HOSTAPD_CHAN_VHT_30_130;
1547 :
1548 860794 : if (chan->freq - 50 >= start && chan->freq + 110 <= end)
1549 89267 : chan->flag |= HOSTAPD_CHAN_VHT_50_110;
1550 :
1551 860794 : if (chan->freq - 70 >= start && chan->freq + 90 <= end)
1552 89267 : chan->flag |= HOSTAPD_CHAN_VHT_70_90;
1553 :
1554 860794 : if (chan->freq - 90 >= start && chan->freq + 70 <= end)
1555 89267 : chan->flag |= HOSTAPD_CHAN_VHT_90_70;
1556 :
1557 860794 : if (chan->freq - 110 >= start && chan->freq + 50 <= end)
1558 89266 : chan->flag |= HOSTAPD_CHAN_VHT_110_50;
1559 :
1560 860794 : if (chan->freq - 130 >= start && chan->freq + 30 <= end)
1561 89265 : chan->flag |= HOSTAPD_CHAN_VHT_130_30;
1562 :
1563 860794 : if (chan->freq - 150 >= start && chan->freq + 10 <= end)
1564 71763 : chan->flag |= HOSTAPD_CHAN_VHT_150_10;
1565 : }
1566 : }
1567 89276 : }
1568 :
1569 :
1570 138407 : static void nl80211_reg_rule_vht(struct nlattr *tb[],
1571 : struct phy_info_arg *results)
1572 : {
1573 : u32 start, end, max_bw;
1574 : u16 m;
1575 :
1576 276814 : if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1577 276814 : tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1578 138407 : tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1579 0 : return;
1580 :
1581 138407 : start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1582 138407 : end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1583 138407 : max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1584 :
1585 138407 : if (max_bw < 80)
1586 49076 : return;
1587 :
1588 267883 : for (m = 0; m < *results->num_modes; m++) {
1589 178552 : if (!(results->modes[m].ht_capab &
1590 : HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1591 0 : continue;
1592 : /* TODO: use a real VHT support indication */
1593 178552 : if (!results->modes[m].vht_capab)
1594 89276 : continue;
1595 :
1596 89276 : nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
1597 : }
1598 : }
1599 :
1600 :
1601 2485 : static const char * dfs_domain_name(enum nl80211_dfs_regions region)
1602 : {
1603 2485 : switch (region) {
1604 : case NL80211_DFS_UNSET:
1605 0 : return "DFS-UNSET";
1606 : case NL80211_DFS_FCC:
1607 2045 : return "DFS-FCC";
1608 : case NL80211_DFS_ETSI:
1609 382 : return "DFS-ETSI";
1610 : case NL80211_DFS_JP:
1611 58 : return "DFS-JP";
1612 : default:
1613 0 : return "DFS-invalid";
1614 : }
1615 : }
1616 :
1617 :
1618 17970 : static int nl80211_get_reg(struct nl_msg *msg, void *arg)
1619 : {
1620 17970 : struct phy_info_arg *results = arg;
1621 : struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1622 17970 : struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1623 : struct nlattr *nl_rule;
1624 : struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
1625 : int rem_rule;
1626 : static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1627 : [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1628 : [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1629 : [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1630 : [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1631 : [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1632 : [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1633 : };
1634 :
1635 17970 : nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1636 : genlmsg_attrlen(gnlh, 0), NULL);
1637 35940 : if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
1638 17970 : !tb_msg[NL80211_ATTR_REG_RULES]) {
1639 0 : wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
1640 : "available");
1641 0 : return NL_SKIP;
1642 : }
1643 :
1644 17970 : if (tb_msg[NL80211_ATTR_DFS_REGION]) {
1645 : enum nl80211_dfs_regions dfs_domain;
1646 2485 : dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
1647 4970 : wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
1648 2485 : (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
1649 : dfs_domain_name(dfs_domain));
1650 : } else {
1651 15485 : wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
1652 15485 : (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
1653 : }
1654 :
1655 156377 : nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1656 : {
1657 138407 : u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
1658 276814 : nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1659 138407 : nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1660 276814 : if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1661 138407 : tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
1662 0 : continue;
1663 138407 : start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1664 138407 : end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1665 138407 : if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1666 138407 : max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
1667 138407 : if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1668 138407 : max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1669 138407 : if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
1670 138407 : flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
1671 :
1672 1107256 : wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
1673 : start, end, max_bw, max_eirp,
1674 138407 : flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
1675 138407 : flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
1676 138407 : flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
1677 138407 : flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
1678 : "",
1679 138407 : flags & NL80211_RRF_DFS ? " (DFS)" : "",
1680 138407 : flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
1681 138407 : flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
1682 138407 : flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
1683 138407 : if (max_bw >= 40)
1684 107403 : nl80211_reg_rule_ht40(start, end, results);
1685 138407 : if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1686 138407 : nl80211_reg_rule_max_eirp(start, end, max_eirp,
1687 : results);
1688 : }
1689 :
1690 156377 : nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1691 : {
1692 276814 : nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1693 138407 : nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1694 138407 : nl80211_reg_rule_sec(tb_rule, results);
1695 : }
1696 :
1697 156377 : nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1698 : {
1699 276814 : nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1700 138407 : nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1701 138407 : nl80211_reg_rule_vht(tb_rule, results);
1702 : }
1703 :
1704 17970 : return NL_SKIP;
1705 : }
1706 :
1707 :
1708 17970 : static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
1709 : struct phy_info_arg *results)
1710 : {
1711 : struct nl_msg *msg;
1712 :
1713 17970 : msg = nlmsg_alloc();
1714 17970 : if (!msg)
1715 0 : return -ENOMEM;
1716 :
1717 17970 : nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1718 17970 : return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
1719 : }
1720 :
1721 :
1722 : struct hostapd_hw_modes *
1723 17970 : nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
1724 : {
1725 : u32 feat;
1726 17970 : struct i802_bss *bss = priv;
1727 17970 : struct wpa_driver_nl80211_data *drv = bss->drv;
1728 17970 : int nl_flags = 0;
1729 : struct nl_msg *msg;
1730 17970 : struct phy_info_arg result = {
1731 : .num_modes = num_modes,
1732 : .modes = NULL,
1733 : .last_mode = -1,
1734 : .failed = 0,
1735 : };
1736 :
1737 17970 : *num_modes = 0;
1738 17970 : *flags = 0;
1739 :
1740 17970 : feat = get_nl80211_protocol_features(drv);
1741 17970 : if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1742 17970 : nl_flags = NLM_F_DUMP;
1743 35940 : if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
1744 17970 : nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1745 0 : nlmsg_free(msg);
1746 0 : return NULL;
1747 : }
1748 :
1749 17970 : if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
1750 17970 : nl80211_set_regulatory_flags(drv, &result);
1751 17970 : if (result.failed) {
1752 : int i;
1753 :
1754 0 : for (i = 0; result.modes && i < *num_modes; i++) {
1755 0 : os_free(result.modes[i].channels);
1756 0 : os_free(result.modes[i].rates);
1757 : }
1758 0 : os_free(result.modes);
1759 0 : return NULL;
1760 : }
1761 17970 : return wpa_driver_nl80211_postprocess_modes(result.modes,
1762 : num_modes);
1763 : }
1764 :
1765 0 : return NULL;
1766 : }
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