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1 | /* | |
2 | * Driver interaction with Linux nl80211/cfg80211 - Capabilities | |
3 | * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi> | |
4 | * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> | |
5 | * Copyright (c) 2009-2010, Atheros Communications | |
6 | * | |
7 | * This software may be distributed under the terms of the BSD license. | |
8 | * See README for more details. | |
9 | */ | |
10 | ||
11 | #include "includes.h" | |
12 | #include <netlink/genl/genl.h> | |
13 | ||
14 | #include "utils/common.h" | |
15 | #include "common/ieee802_11_common.h" | |
16 | #include "common/wpa_common.h" | |
17 | #include "common/qca-vendor.h" | |
18 | #include "common/qca-vendor-attr.h" | |
19 | #include "driver_nl80211.h" | |
20 | ||
21 | ||
22 | static int protocol_feature_handler(struct nl_msg *msg, void *arg) | |
23 | { | |
24 | u32 *feat = arg; | |
25 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
26 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
27 | ||
28 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
29 | genlmsg_attrlen(gnlh, 0), NULL); | |
30 | ||
31 | if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]) | |
32 | *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]); | |
33 | ||
34 | return NL_SKIP; | |
35 | } | |
36 | ||
37 | ||
38 | static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv) | |
39 | { | |
40 | u32 feat = 0; | |
41 | struct nl_msg *msg; | |
42 | ||
43 | msg = nlmsg_alloc(); | |
44 | if (!msg) | |
45 | return 0; | |
46 | ||
47 | if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) { | |
48 | nlmsg_free(msg); | |
49 | return 0; | |
50 | } | |
51 | ||
52 | if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0) | |
53 | return feat; | |
54 | ||
55 | return 0; | |
56 | } | |
57 | ||
58 | ||
59 | struct wiphy_info_data { | |
60 | struct wpa_driver_nl80211_data *drv; | |
61 | struct wpa_driver_capa *capa; | |
62 | ||
63 | unsigned int num_multichan_concurrent; | |
64 | ||
65 | unsigned int error:1; | |
66 | unsigned int device_ap_sme:1; | |
67 | unsigned int poll_command_supported:1; | |
68 | unsigned int data_tx_status:1; | |
69 | unsigned int auth_supported:1; | |
70 | unsigned int connect_supported:1; | |
71 | unsigned int p2p_go_supported:1; | |
72 | unsigned int p2p_client_supported:1; | |
73 | unsigned int p2p_go_ctwindow_supported:1; | |
74 | unsigned int p2p_concurrent:1; | |
75 | unsigned int channel_switch_supported:1; | |
76 | unsigned int set_qos_map_supported:1; | |
77 | unsigned int have_low_prio_scan:1; | |
78 | unsigned int wmm_ac_supported:1; | |
79 | unsigned int mac_addr_rand_scan_supported:1; | |
80 | unsigned int mac_addr_rand_sched_scan_supported:1; | |
81 | }; | |
82 | ||
83 | ||
84 | static unsigned int probe_resp_offload_support(int supp_protocols) | |
85 | { | |
86 | unsigned int prot = 0; | |
87 | ||
88 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS) | |
89 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS; | |
90 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2) | |
91 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2; | |
92 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P) | |
93 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P; | |
94 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U) | |
95 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING; | |
96 | ||
97 | return prot; | |
98 | } | |
99 | ||
100 | ||
101 | 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 | if (tb == NULL) | |
108 | return; | |
109 | ||
110 | nla_for_each_nested(nl_mode, tb, i) { | |
111 | switch (nla_type(nl_mode)) { | |
112 | case NL80211_IFTYPE_AP: | |
113 | info->capa->flags |= WPA_DRIVER_FLAGS_AP; | |
114 | break; | |
115 | case NL80211_IFTYPE_MESH_POINT: | |
116 | info->capa->flags |= WPA_DRIVER_FLAGS_MESH; | |
117 | break; | |
118 | case NL80211_IFTYPE_ADHOC: | |
119 | info->capa->flags |= WPA_DRIVER_FLAGS_IBSS; | |
120 | break; | |
121 | case NL80211_IFTYPE_P2P_DEVICE: | |
122 | info->capa->flags |= | |
123 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE; | |
124 | break; | |
125 | case NL80211_IFTYPE_P2P_GO: | |
126 | info->p2p_go_supported = 1; | |
127 | break; | |
128 | case NL80211_IFTYPE_P2P_CLIENT: | |
129 | info->p2p_client_supported = 1; | |
130 | break; | |
131 | } | |
132 | } | |
133 | } | |
134 | ||
135 | ||
136 | 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 | 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 | err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB, | |
158 | nl_combi, iface_combination_policy); | |
159 | if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] || | |
160 | !tb_comb[NL80211_IFACE_COMB_MAXNUM] || | |
161 | !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) | |
162 | return 0; /* broken combination */ | |
163 | ||
164 | if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) | |
165 | info->capa->flags |= WPA_DRIVER_FLAGS_RADAR; | |
166 | ||
167 | nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], | |
168 | rem_limit) { | |
169 | err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT, | |
170 | nl_limit, iface_limit_policy); | |
171 | if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) | |
172 | return 0; /* broken combination */ | |
173 | ||
174 | nla_for_each_nested(nl_mode, | |
175 | tb_limit[NL80211_IFACE_LIMIT_TYPES], | |
176 | rem_mode) { | |
177 | int ift = nla_type(nl_mode); | |
178 | if (ift == NL80211_IFTYPE_P2P_GO || | |
179 | ift == NL80211_IFTYPE_P2P_CLIENT) | |
180 | combination_has_p2p = 1; | |
181 | if (ift == NL80211_IFTYPE_STATION) | |
182 | combination_has_mgd = 1; | |
183 | } | |
184 | if (combination_has_p2p && combination_has_mgd) | |
185 | break; | |
186 | } | |
187 | ||
188 | if (combination_has_p2p && combination_has_mgd) { | |
189 | unsigned int num_channels = | |
190 | nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]); | |
191 | ||
192 | info->p2p_concurrent = 1; | |
193 | if (info->num_multichan_concurrent < num_channels) | |
194 | info->num_multichan_concurrent = num_channels; | |
195 | } | |
196 | ||
197 | return 0; | |
198 | } | |
199 | ||
200 | ||
201 | 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 | if (tb == NULL) | |
208 | return; | |
209 | ||
210 | nla_for_each_nested(nl_combi, tb, rem_combi) { | |
211 | if (wiphy_info_iface_comb_process(info, nl_combi) > 0) | |
212 | break; | |
213 | } | |
214 | } | |
215 | ||
216 | ||
217 | 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 | if (tb == NULL) | |
224 | return; | |
225 | ||
226 | nla_for_each_nested(nl_cmd, tb, i) { | |
227 | switch (nla_get_u32(nl_cmd)) { | |
228 | case NL80211_CMD_AUTHENTICATE: | |
229 | info->auth_supported = 1; | |
230 | break; | |
231 | case NL80211_CMD_CONNECT: | |
232 | info->connect_supported = 1; | |
233 | break; | |
234 | case NL80211_CMD_START_SCHED_SCAN: | |
235 | info->capa->sched_scan_supported = 1; | |
236 | break; | |
237 | case NL80211_CMD_PROBE_CLIENT: | |
238 | info->poll_command_supported = 1; | |
239 | break; | |
240 | case NL80211_CMD_CHANNEL_SWITCH: | |
241 | info->channel_switch_supported = 1; | |
242 | break; | |
243 | case NL80211_CMD_SET_QOS_MAP: | |
244 | info->set_qos_map_supported = 1; | |
245 | break; | |
246 | } | |
247 | } | |
248 | } | |
249 | ||
250 | ||
251 | 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 | if (tb == NULL) | |
258 | return; | |
259 | ||
260 | num = nla_len(tb) / sizeof(u32); | |
261 | ciphers = nla_data(tb); | |
262 | for (i = 0; i < num; i++) { | |
263 | u32 c = ciphers[i]; | |
264 | ||
265 | wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d", | |
266 | c >> 24, (c >> 16) & 0xff, | |
267 | (c >> 8) & 0xff, c & 0xff); | |
268 | switch (c) { | |
269 | case RSN_CIPHER_SUITE_CCMP_256: | |
270 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256; | |
271 | break; | |
272 | case RSN_CIPHER_SUITE_GCMP_256: | |
273 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256; | |
274 | break; | |
275 | case RSN_CIPHER_SUITE_CCMP: | |
276 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP; | |
277 | break; | |
278 | case RSN_CIPHER_SUITE_GCMP: | |
279 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP; | |
280 | break; | |
281 | case RSN_CIPHER_SUITE_TKIP: | |
282 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP; | |
283 | break; | |
284 | case RSN_CIPHER_SUITE_WEP104: | |
285 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104; | |
286 | break; | |
287 | case RSN_CIPHER_SUITE_WEP40: | |
288 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40; | |
289 | break; | |
290 | case RSN_CIPHER_SUITE_AES_128_CMAC: | |
291 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP; | |
292 | break; | |
293 | case RSN_CIPHER_SUITE_BIP_GMAC_128: | |
294 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128; | |
295 | break; | |
296 | case RSN_CIPHER_SUITE_BIP_GMAC_256: | |
297 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256; | |
298 | break; | |
299 | case RSN_CIPHER_SUITE_BIP_CMAC_256: | |
300 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256; | |
301 | break; | |
302 | case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED: | |
303 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED; | |
304 | break; | |
305 | } | |
306 | } | |
307 | } | |
308 | ||
309 | ||
310 | static void wiphy_info_max_roc(struct wpa_driver_capa *capa, | |
311 | struct nlattr *tb) | |
312 | { | |
313 | if (tb) | |
314 | capa->max_remain_on_chan = nla_get_u32(tb); | |
315 | } | |
316 | ||
317 | ||
318 | static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls, | |
319 | struct nlattr *ext_setup) | |
320 | { | |
321 | if (tdls == NULL) | |
322 | return; | |
323 | ||
324 | wpa_printf(MSG_DEBUG, "nl80211: TDLS supported"); | |
325 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT; | |
326 | ||
327 | if (ext_setup) { | |
328 | wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup"); | |
329 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP; | |
330 | } | |
331 | } | |
332 | ||
333 | ||
334 | 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 | if ((int) ftidx / 8 >= ext_features_len) | |
340 | return 0; | |
341 | ||
342 | ft_byte = ext_features[ftidx / 8]; | |
343 | return (ft_byte & BIT(ftidx % 8)) != 0; | |
344 | } | |
345 | ||
346 | ||
347 | static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info, | |
348 | struct nlattr *tb) | |
349 | { | |
350 | struct wpa_driver_capa *capa = info->capa; | |
351 | u8 *ext_features; | |
352 | int len; | |
353 | ||
354 | if (tb == NULL) | |
355 | return; | |
356 | ||
357 | ext_features = nla_data(tb); | |
358 | len = nla_len(tb); | |
359 | ||
360 | if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS)) | |
361 | capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS; | |
362 | ||
363 | if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM)) | |
364 | capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM; | |
365 | ||
366 | if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA)) | |
367 | capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS; | |
368 | ||
369 | if (ext_feature_isset(ext_features, len, | |
370 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) | |
371 | capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY; | |
372 | ||
373 | if (ext_feature_isset(ext_features, len, | |
374 | NL80211_EXT_FEATURE_BEACON_RATE_HT)) | |
375 | capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT; | |
376 | ||
377 | if (ext_feature_isset(ext_features, len, | |
378 | NL80211_EXT_FEATURE_BEACON_RATE_VHT)) | |
379 | capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT; | |
380 | ||
381 | if (ext_feature_isset(ext_features, len, | |
382 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) | |
383 | capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL; | |
384 | ||
385 | if (ext_feature_isset(ext_features, len, | |
386 | NL80211_EXT_FEATURE_SCAN_START_TIME) && | |
387 | ext_feature_isset(ext_features, len, | |
388 | NL80211_EXT_FEATURE_BSS_PARENT_TSF) && | |
389 | ext_feature_isset(ext_features, len, | |
390 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) | |
391 | capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT; | |
392 | if (ext_feature_isset(ext_features, len, | |
393 | NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA)) | |
394 | capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA; | |
395 | if (ext_feature_isset(ext_features, len, | |
396 | NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED)) | |
397 | capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED; | |
398 | if (ext_feature_isset(ext_features, len, | |
399 | NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI)) | |
400 | capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI; | |
401 | if (ext_feature_isset(ext_features, len, | |
402 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD)) | |
403 | capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD; | |
404 | ||
405 | if (ext_feature_isset(ext_features, len, | |
406 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK)) | |
407 | capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK; | |
408 | if (ext_feature_isset(ext_features, len, | |
409 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
410 | capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X; | |
411 | ||
412 | if (ext_feature_isset(ext_features, len, | |
413 | NL80211_EXT_FEATURE_MFP_OPTIONAL)) | |
414 | capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL; | |
415 | ||
416 | if (ext_feature_isset(ext_features, len, | |
417 | NL80211_EXT_FEATURE_DFS_OFFLOAD)) | |
418 | capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; | |
419 | ||
420 | #ifdef CONFIG_MBO | |
421 | if (ext_feature_isset(ext_features, len, | |
422 | NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) && | |
423 | ext_feature_isset(ext_features, len, | |
424 | NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) && | |
425 | ext_feature_isset(ext_features, len, | |
426 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) && | |
427 | ext_feature_isset( | |
428 | ext_features, len, | |
429 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION)) | |
430 | capa->flags |= WPA_DRIVER_FLAGS_OCE_STA; | |
431 | #endif /* CONFIG_MBO */ | |
432 | ||
433 | if (ext_feature_isset(ext_features, len, | |
434 | NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER)) | |
435 | capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER; | |
436 | ||
437 | if (ext_feature_isset(ext_features, len, | |
438 | NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) | |
439 | capa->flags |= WPA_DRIVER_FLAGS_CONTROL_PORT; | |
440 | ||
441 | if (ext_feature_isset(ext_features, len, | |
442 | NL80211_EXT_FEATURE_VLAN_OFFLOAD)) | |
443 | capa->flags |= WPA_DRIVER_FLAGS_VLAN_OFFLOAD; | |
444 | } | |
445 | ||
446 | ||
447 | static void wiphy_info_feature_flags(struct wiphy_info_data *info, | |
448 | struct nlattr *tb) | |
449 | { | |
450 | u32 flags; | |
451 | struct wpa_driver_capa *capa = info->capa; | |
452 | ||
453 | if (tb == NULL) | |
454 | return; | |
455 | ||
456 | flags = nla_get_u32(tb); | |
457 | ||
458 | if (flags & NL80211_FEATURE_SK_TX_STATUS) | |
459 | info->data_tx_status = 1; | |
460 | ||
461 | if (flags & NL80211_FEATURE_INACTIVITY_TIMER) | |
462 | capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; | |
463 | ||
464 | if (flags & NL80211_FEATURE_SAE) | |
465 | capa->flags |= WPA_DRIVER_FLAGS_SAE; | |
466 | ||
467 | if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) | |
468 | capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; | |
469 | ||
470 | if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) | |
471 | capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX; | |
472 | ||
473 | if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) { | |
474 | wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch"); | |
475 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH; | |
476 | } | |
477 | ||
478 | if (flags & NL80211_FEATURE_P2P_GO_CTWIN) | |
479 | info->p2p_go_ctwindow_supported = 1; | |
480 | ||
481 | if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN) | |
482 | info->have_low_prio_scan = 1; | |
483 | ||
484 | if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR) | |
485 | info->mac_addr_rand_scan_supported = 1; | |
486 | ||
487 | if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR) | |
488 | info->mac_addr_rand_sched_scan_supported = 1; | |
489 | ||
490 | if (flags & NL80211_FEATURE_STATIC_SMPS) | |
491 | capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC; | |
492 | ||
493 | if (flags & NL80211_FEATURE_DYNAMIC_SMPS) | |
494 | capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC; | |
495 | ||
496 | if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
497 | info->wmm_ac_supported = 1; | |
498 | ||
499 | if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) | |
500 | capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES; | |
501 | ||
502 | if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES) | |
503 | capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES; | |
504 | ||
505 | if (flags & NL80211_FEATURE_QUIET) | |
506 | capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET; | |
507 | ||
508 | if (flags & NL80211_FEATURE_TX_POWER_INSERTION) | |
509 | capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION; | |
510 | ||
511 | if (flags & NL80211_FEATURE_HT_IBSS) | |
512 | capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS; | |
513 | ||
514 | if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE) | |
515 | capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE; | |
516 | } | |
517 | ||
518 | ||
519 | static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa, | |
520 | struct nlattr *tb) | |
521 | { | |
522 | u32 protocols; | |
523 | ||
524 | if (tb == NULL) | |
525 | return; | |
526 | ||
527 | protocols = nla_get_u32(tb); | |
528 | wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP " | |
529 | "mode"); | |
530 | capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; | |
531 | capa->probe_resp_offloads = probe_resp_offload_support(protocols); | |
532 | } | |
533 | ||
534 | ||
535 | static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa, | |
536 | struct nlattr *tb) | |
537 | { | |
538 | struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1]; | |
539 | ||
540 | if (tb == NULL) | |
541 | return; | |
542 | ||
543 | if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG, | |
544 | tb, NULL)) | |
545 | return; | |
546 | ||
547 | if (triggers[NL80211_WOWLAN_TRIG_ANY]) | |
548 | capa->wowlan_triggers.any = 1; | |
549 | if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT]) | |
550 | capa->wowlan_triggers.disconnect = 1; | |
551 | if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT]) | |
552 | capa->wowlan_triggers.magic_pkt = 1; | |
553 | if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) | |
554 | capa->wowlan_triggers.gtk_rekey_failure = 1; | |
555 | if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) | |
556 | capa->wowlan_triggers.eap_identity_req = 1; | |
557 | if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) | |
558 | capa->wowlan_triggers.four_way_handshake = 1; | |
559 | if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) | |
560 | capa->wowlan_triggers.rfkill_release = 1; | |
561 | } | |
562 | ||
563 | ||
564 | static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv, | |
565 | struct nlattr *tb) | |
566 | { | |
567 | int rem = 0, i; | |
568 | struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr; | |
569 | ||
570 | if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) | |
571 | return; | |
572 | ||
573 | nla_for_each_nested(attr, tb, rem) { | |
574 | unsigned int len; | |
575 | struct drv_nl80211_ext_capa *capa; | |
576 | ||
577 | nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr), | |
578 | nla_len(attr), NULL); | |
579 | ||
580 | if (!tb1[NL80211_ATTR_IFTYPE] || | |
581 | !tb1[NL80211_ATTR_EXT_CAPA] || | |
582 | !tb1[NL80211_ATTR_EXT_CAPA_MASK]) | |
583 | continue; | |
584 | ||
585 | capa = &drv->iface_ext_capa[drv->num_iface_ext_capa]; | |
586 | capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]); | |
587 | wpa_printf(MSG_DEBUG, | |
588 | "nl80211: Driver-advertised extended capabilities for interface type %s", | |
589 | nl80211_iftype_str(capa->iftype)); | |
590 | ||
591 | len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]); | |
592 | capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]), | |
593 | len); | |
594 | if (!capa->ext_capa) | |
595 | goto err; | |
596 | ||
597 | capa->ext_capa_len = len; | |
598 | wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities", | |
599 | capa->ext_capa, capa->ext_capa_len); | |
600 | ||
601 | len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]); | |
602 | capa->ext_capa_mask = | |
603 | os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), | |
604 | len); | |
605 | if (!capa->ext_capa_mask) | |
606 | goto err; | |
607 | ||
608 | wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask", | |
609 | capa->ext_capa_mask, capa->ext_capa_len); | |
610 | ||
611 | drv->num_iface_ext_capa++; | |
612 | if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX) | |
613 | break; | |
614 | } | |
615 | ||
616 | return; | |
617 | ||
618 | err: | |
619 | /* Cleanup allocated memory on error */ | |
620 | for (i = 0; i < NL80211_IFTYPE_MAX; i++) { | |
621 | os_free(drv->iface_ext_capa[i].ext_capa); | |
622 | drv->iface_ext_capa[i].ext_capa = NULL; | |
623 | os_free(drv->iface_ext_capa[i].ext_capa_mask); | |
624 | drv->iface_ext_capa[i].ext_capa_mask = NULL; | |
625 | drv->iface_ext_capa[i].ext_capa_len = 0; | |
626 | } | |
627 | drv->num_iface_ext_capa = 0; | |
628 | } | |
629 | ||
630 | ||
631 | static int wiphy_info_handler(struct nl_msg *msg, void *arg) | |
632 | { | |
633 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
634 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
635 | struct wiphy_info_data *info = arg; | |
636 | struct wpa_driver_capa *capa = info->capa; | |
637 | struct wpa_driver_nl80211_data *drv = info->drv; | |
638 | ||
639 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
640 | genlmsg_attrlen(gnlh, 0), NULL); | |
641 | ||
642 | if (tb[NL80211_ATTR_WIPHY]) | |
643 | drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
644 | ||
645 | if (tb[NL80211_ATTR_WIPHY_NAME]) | |
646 | os_strlcpy(drv->phyname, | |
647 | nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]), | |
648 | sizeof(drv->phyname)); | |
649 | if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) | |
650 | capa->max_scan_ssids = | |
651 | nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); | |
652 | ||
653 | if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) | |
654 | capa->max_sched_scan_ssids = | |
655 | nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); | |
656 | ||
657 | if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] && | |
658 | tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] && | |
659 | tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) { | |
660 | capa->max_sched_scan_plans = | |
661 | nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]); | |
662 | ||
663 | capa->max_sched_scan_plan_interval = | |
664 | nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]); | |
665 | ||
666 | capa->max_sched_scan_plan_iterations = | |
667 | nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]); | |
668 | } | |
669 | ||
670 | if (tb[NL80211_ATTR_MAX_MATCH_SETS]) | |
671 | capa->max_match_sets = | |
672 | nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); | |
673 | ||
674 | if (tb[NL80211_ATTR_MAC_ACL_MAX]) | |
675 | capa->max_acl_mac_addrs = | |
676 | nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]); | |
677 | ||
678 | wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]); | |
679 | wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]); | |
680 | wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]); | |
681 | wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]); | |
682 | ||
683 | if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { | |
684 | wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " | |
685 | "off-channel TX"); | |
686 | capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; | |
687 | } | |
688 | ||
689 | if (tb[NL80211_ATTR_ROAM_SUPPORT]) { | |
690 | wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); | |
691 | capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; | |
692 | } | |
693 | ||
694 | wiphy_info_max_roc(capa, | |
695 | tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); | |
696 | ||
697 | if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) | |
698 | capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; | |
699 | ||
700 | wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT], | |
701 | tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]); | |
702 | ||
703 | if (tb[NL80211_ATTR_DEVICE_AP_SME]) | |
704 | info->device_ap_sme = 1; | |
705 | ||
706 | wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]); | |
707 | wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]); | |
708 | wiphy_info_probe_resp_offload(capa, | |
709 | tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); | |
710 | ||
711 | if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] && | |
712 | drv->extended_capa == NULL) { | |
713 | drv->extended_capa = | |
714 | os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
715 | if (drv->extended_capa) { | |
716 | os_memcpy(drv->extended_capa, | |
717 | nla_data(tb[NL80211_ATTR_EXT_CAPA]), | |
718 | nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
719 | drv->extended_capa_len = | |
720 | nla_len(tb[NL80211_ATTR_EXT_CAPA]); | |
721 | wpa_hexdump(MSG_DEBUG, | |
722 | "nl80211: Driver-advertised extended capabilities (default)", | |
723 | drv->extended_capa, drv->extended_capa_len); | |
724 | } | |
725 | drv->extended_capa_mask = | |
726 | os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); | |
727 | if (drv->extended_capa_mask) { | |
728 | os_memcpy(drv->extended_capa_mask, | |
729 | nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]), | |
730 | nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); | |
731 | wpa_hexdump(MSG_DEBUG, | |
732 | "nl80211: Driver-advertised extended capabilities mask (default)", | |
733 | drv->extended_capa_mask, | |
734 | drv->extended_capa_len); | |
735 | } else { | |
736 | os_free(drv->extended_capa); | |
737 | drv->extended_capa = NULL; | |
738 | drv->extended_capa_len = 0; | |
739 | } | |
740 | } | |
741 | ||
742 | wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]); | |
743 | ||
744 | if (tb[NL80211_ATTR_VENDOR_DATA]) { | |
745 | struct nlattr *nl; | |
746 | int rem; | |
747 | ||
748 | nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) { | |
749 | struct nl80211_vendor_cmd_info *vinfo; | |
750 | if (nla_len(nl) != sizeof(*vinfo)) { | |
751 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); | |
752 | continue; | |
753 | } | |
754 | vinfo = nla_data(nl); | |
755 | if (vinfo->vendor_id == OUI_QCA) { | |
756 | switch (vinfo->subcmd) { | |
757 | case QCA_NL80211_VENDOR_SUBCMD_TEST: | |
758 | drv->vendor_cmd_test_avail = 1; | |
759 | break; | |
760 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
761 | case QCA_NL80211_VENDOR_SUBCMD_ROAMING: | |
762 | drv->roaming_vendor_cmd_avail = 1; | |
763 | break; | |
764 | case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: | |
765 | drv->dfs_vendor_cmd_avail = 1; | |
766 | break; | |
767 | case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES: | |
768 | drv->get_features_vendor_cmd_avail = 1; | |
769 | break; | |
770 | case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST: | |
771 | drv->get_pref_freq_list = 1; | |
772 | break; | |
773 | case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL: | |
774 | drv->set_prob_oper_freq = 1; | |
775 | break; | |
776 | case QCA_NL80211_VENDOR_SUBCMD_DO_ACS: | |
777 | drv->capa.flags |= | |
778 | WPA_DRIVER_FLAGS_ACS_OFFLOAD; | |
779 | break; | |
780 | case QCA_NL80211_VENDOR_SUBCMD_SETBAND: | |
781 | drv->setband_vendor_cmd_avail = 1; | |
782 | break; | |
783 | case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN: | |
784 | drv->scan_vendor_cmd_avail = 1; | |
785 | break; | |
786 | case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION: | |
787 | drv->set_wifi_conf_vendor_cmd_avail = 1; | |
788 | break; | |
789 | case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS: | |
790 | drv->fetch_bss_trans_status = 1; | |
791 | break; | |
792 | case QCA_NL80211_VENDOR_SUBCMD_ROAM: | |
793 | drv->roam_vendor_cmd_avail = 1; | |
794 | break; | |
795 | case QCA_NL80211_VENDOR_SUBCMD_GET_SUPPORTED_AKMS: | |
796 | drv->get_supported_akm_suites_avail = 1; | |
797 | break; | |
798 | case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE: | |
799 | drv->add_sta_node_vendor_cmd_avail = 1; | |
800 | break; | |
801 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
802 | } | |
803 | } | |
804 | ||
805 | wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u", | |
806 | vinfo->vendor_id, vinfo->subcmd); | |
807 | } | |
808 | } | |
809 | ||
810 | if (tb[NL80211_ATTR_VENDOR_EVENTS]) { | |
811 | struct nlattr *nl; | |
812 | int rem; | |
813 | ||
814 | nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) { | |
815 | struct nl80211_vendor_cmd_info *vinfo; | |
816 | if (nla_len(nl) != sizeof(*vinfo)) { | |
817 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); | |
818 | continue; | |
819 | } | |
820 | vinfo = nla_data(nl); | |
821 | wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u", | |
822 | vinfo->vendor_id, vinfo->subcmd); | |
823 | } | |
824 | } | |
825 | ||
826 | wiphy_info_wowlan_triggers(capa, | |
827 | tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]); | |
828 | ||
829 | if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA]) | |
830 | capa->max_stations = | |
831 | nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]); | |
832 | ||
833 | if (tb[NL80211_ATTR_MAX_CSA_COUNTERS]) | |
834 | capa->max_csa_counters = | |
835 | nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]); | |
836 | ||
837 | if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG]) | |
838 | capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY; | |
839 | ||
840 | return NL_SKIP; | |
841 | } | |
842 | ||
843 | ||
844 | static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, | |
845 | struct wiphy_info_data *info) | |
846 | { | |
847 | u32 feat; | |
848 | struct nl_msg *msg; | |
849 | int flags = 0; | |
850 | ||
851 | os_memset(info, 0, sizeof(*info)); | |
852 | info->capa = &drv->capa; | |
853 | info->drv = drv; | |
854 | ||
855 | feat = get_nl80211_protocol_features(drv); | |
856 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) | |
857 | flags = NLM_F_DUMP; | |
858 | msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY); | |
859 | if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { | |
860 | nlmsg_free(msg); | |
861 | return -1; | |
862 | } | |
863 | ||
864 | if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info)) | |
865 | return -1; | |
866 | ||
867 | if (info->auth_supported) | |
868 | drv->capa.flags |= WPA_DRIVER_FLAGS_SME; | |
869 | else if (!info->connect_supported) { | |
870 | wpa_printf(MSG_INFO, "nl80211: Driver does not support " | |
871 | "authentication/association or connect commands"); | |
872 | info->error = 1; | |
873 | } | |
874 | ||
875 | if (info->p2p_go_supported && info->p2p_client_supported) | |
876 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; | |
877 | if (info->p2p_concurrent) { | |
878 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " | |
879 | "interface (driver advertised support)"); | |
880 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
881 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
882 | } | |
883 | if (info->num_multichan_concurrent > 1) { | |
884 | wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " | |
885 | "concurrent (driver advertised support)"); | |
886 | drv->capa.num_multichan_concurrent = | |
887 | info->num_multichan_concurrent; | |
888 | } | |
889 | if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) | |
890 | wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support"); | |
891 | ||
892 | /* default to 5000 since early versions of mac80211 don't set it */ | |
893 | if (!drv->capa.max_remain_on_chan) | |
894 | drv->capa.max_remain_on_chan = 5000; | |
895 | ||
896 | drv->capa.wmm_ac_supported = info->wmm_ac_supported; | |
897 | ||
898 | drv->capa.mac_addr_rand_sched_scan_supported = | |
899 | info->mac_addr_rand_sched_scan_supported; | |
900 | drv->capa.mac_addr_rand_scan_supported = | |
901 | info->mac_addr_rand_scan_supported; | |
902 | ||
903 | if (info->channel_switch_supported) { | |
904 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA; | |
905 | if (!drv->capa.max_csa_counters) | |
906 | drv->capa.max_csa_counters = 1; | |
907 | } | |
908 | ||
909 | if (!drv->capa.max_sched_scan_plans) { | |
910 | drv->capa.max_sched_scan_plans = 1; | |
911 | drv->capa.max_sched_scan_plan_interval = UINT32_MAX; | |
912 | drv->capa.max_sched_scan_plan_iterations = 0; | |
913 | } | |
914 | ||
915 | return 0; | |
916 | } | |
917 | ||
918 | ||
919 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
920 | ||
921 | static int dfs_info_handler(struct nl_msg *msg, void *arg) | |
922 | { | |
923 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
924 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
925 | int *dfs_capability_ptr = arg; | |
926 | ||
927 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
928 | genlmsg_attrlen(gnlh, 0), NULL); | |
929 | ||
930 | if (tb[NL80211_ATTR_VENDOR_DATA]) { | |
931 | struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; | |
932 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
933 | ||
934 | nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, | |
935 | nla_data(nl_vend), nla_len(nl_vend), NULL); | |
936 | ||
937 | if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) { | |
938 | u32 val; | |
939 | val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]); | |
940 | wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u", | |
941 | val); | |
942 | *dfs_capability_ptr = val; | |
943 | } | |
944 | } | |
945 | ||
946 | return NL_SKIP; | |
947 | } | |
948 | ||
949 | ||
950 | static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv) | |
951 | { | |
952 | struct nl_msg *msg; | |
953 | int dfs_capability = 0; | |
954 | int ret; | |
955 | ||
956 | if (!drv->dfs_vendor_cmd_avail) | |
957 | return; | |
958 | ||
959 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
960 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
961 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
962 | QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) { | |
963 | nlmsg_free(msg); | |
964 | return; | |
965 | } | |
966 | ||
967 | ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability); | |
968 | if (!ret && dfs_capability) | |
969 | drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; | |
970 | } | |
971 | ||
972 | ||
973 | static unsigned int get_akm_suites_info(struct nlattr *tb) | |
974 | { | |
975 | int i, num; | |
976 | unsigned int key_mgmt = 0; | |
977 | u32 *akms; | |
978 | ||
979 | if (!tb) | |
980 | return 0; | |
981 | ||
982 | num = nla_len(tb) / sizeof(u32); | |
983 | akms = nla_data(tb); | |
984 | for (i = 0; i < num; i++) { | |
985 | u32 a = akms[i]; | |
986 | ||
987 | wpa_printf(MSG_DEBUG, | |
988 | "nl80211: Supported AKM %02x-%02x-%02x:%u", | |
989 | a >> 24, (a >> 16) & 0xff, | |
990 | (a >> 8) & 0xff, a & 0xff); | |
991 | switch (a) { | |
992 | case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X: | |
993 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
994 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2; | |
995 | break; | |
996 | case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X: | |
997 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
998 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
999 | break; | |
1000 | case RSN_AUTH_KEY_MGMT_FT_802_1X: | |
1001 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT; | |
1002 | break; | |
1003 | case RSN_AUTH_KEY_MGMT_FT_PSK: | |
1004 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; | |
1005 | break; | |
1006 | case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B: | |
1007 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B; | |
1008 | break; | |
1009 | case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192: | |
1010 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192; | |
1011 | break; | |
1012 | case RSN_AUTH_KEY_MGMT_OWE: | |
1013 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE; | |
1014 | break; | |
1015 | case RSN_AUTH_KEY_MGMT_DPP: | |
1016 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP; | |
1017 | break; | |
1018 | case RSN_AUTH_KEY_MGMT_FILS_SHA256: | |
1019 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256; | |
1020 | break; | |
1021 | case RSN_AUTH_KEY_MGMT_FILS_SHA384: | |
1022 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; | |
1023 | break; | |
1024 | case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256: | |
1025 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256; | |
1026 | break; | |
1027 | case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384: | |
1028 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384; | |
1029 | break; | |
1030 | case RSN_AUTH_KEY_MGMT_SAE: | |
1031 | key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE; | |
1032 | break; | |
1033 | } | |
1034 | } | |
1035 | ||
1036 | return key_mgmt; | |
1037 | } | |
1038 | ||
1039 | ||
1040 | static int get_akm_suites_handler(struct nl_msg *msg, void *arg) | |
1041 | { | |
1042 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1043 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1044 | unsigned int *key_mgmt = arg; | |
1045 | ||
1046 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1047 | genlmsg_attrlen(gnlh, 0), NULL); | |
1048 | ||
1049 | if (tb[NL80211_ATTR_VENDOR_DATA]) { | |
1050 | struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; | |
1051 | struct nlattr *tb_data[NL80211_ATTR_MAX + 1]; | |
1052 | ||
1053 | nla_parse(tb_data, NL80211_ATTR_MAX, | |
1054 | nla_data(nl_vend), nla_len(nl_vend), NULL); | |
1055 | ||
1056 | *key_mgmt = | |
1057 | get_akm_suites_info(tb_data[NL80211_ATTR_AKM_SUITES]); | |
1058 | } | |
1059 | ||
1060 | return NL_SKIP; | |
1061 | } | |
1062 | ||
1063 | ||
1064 | static int qca_nl80211_get_akm_suites(struct wpa_driver_nl80211_data *drv) | |
1065 | { | |
1066 | struct nl_msg *msg; | |
1067 | unsigned int key_mgmt = 0; | |
1068 | int ret; | |
1069 | ||
1070 | if (!drv->get_supported_akm_suites_avail) | |
1071 | return -1; | |
1072 | ||
1073 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
1074 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
1075 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
1076 | QCA_NL80211_VENDOR_SUBCMD_GET_SUPPORTED_AKMS)) { | |
1077 | nlmsg_free(msg); | |
1078 | return -1; | |
1079 | } | |
1080 | ||
1081 | ret = send_and_recv_msgs(drv, msg, get_akm_suites_handler, &key_mgmt); | |
1082 | if (!ret) { | |
1083 | wpa_printf(MSG_DEBUG, | |
1084 | "nl80211: Replace capa.key_mgmt based on driver advertised capabilities: 0x%x", | |
1085 | key_mgmt); | |
1086 | drv->capa.key_mgmt = key_mgmt; | |
1087 | } | |
1088 | ||
1089 | return ret; | |
1090 | } | |
1091 | ||
1092 | ||
1093 | struct features_info { | |
1094 | u8 *flags; | |
1095 | size_t flags_len; | |
1096 | struct wpa_driver_capa *capa; | |
1097 | }; | |
1098 | ||
1099 | ||
1100 | static int features_info_handler(struct nl_msg *msg, void *arg) | |
1101 | { | |
1102 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
1103 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1104 | struct features_info *info = arg; | |
1105 | struct nlattr *nl_vend, *attr; | |
1106 | ||
1107 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1108 | genlmsg_attrlen(gnlh, 0), NULL); | |
1109 | ||
1110 | nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; | |
1111 | if (nl_vend) { | |
1112 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
1113 | ||
1114 | nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, | |
1115 | nla_data(nl_vend), nla_len(nl_vend), NULL); | |
1116 | ||
1117 | attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS]; | |
1118 | if (attr) { | |
1119 | int len = nla_len(attr); | |
1120 | info->flags = os_malloc(len); | |
1121 | if (info->flags != NULL) { | |
1122 | os_memcpy(info->flags, nla_data(attr), len); | |
1123 | info->flags_len = len; | |
1124 | } | |
1125 | } | |
1126 | attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA]; | |
1127 | if (attr) | |
1128 | info->capa->conc_capab = nla_get_u32(attr); | |
1129 | ||
1130 | attr = tb_vendor[ | |
1131 | QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND]; | |
1132 | if (attr) | |
1133 | info->capa->max_conc_chan_2_4 = nla_get_u32(attr); | |
1134 | ||
1135 | attr = tb_vendor[ | |
1136 | QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND]; | |
1137 | if (attr) | |
1138 | info->capa->max_conc_chan_5_0 = nla_get_u32(attr); | |
1139 | } | |
1140 | ||
1141 | return NL_SKIP; | |
1142 | } | |
1143 | ||
1144 | ||
1145 | static int check_feature(enum qca_wlan_vendor_features feature, | |
1146 | struct features_info *info) | |
1147 | { | |
1148 | size_t idx = feature / 8; | |
1149 | ||
1150 | return (idx < info->flags_len) && | |
1151 | (info->flags[idx] & BIT(feature % 8)); | |
1152 | } | |
1153 | ||
1154 | ||
1155 | static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv) | |
1156 | { | |
1157 | struct nl_msg *msg; | |
1158 | struct features_info info; | |
1159 | int ret; | |
1160 | ||
1161 | if (!drv->get_features_vendor_cmd_avail) | |
1162 | return; | |
1163 | ||
1164 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
1165 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
1166 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
1167 | QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) { | |
1168 | nlmsg_free(msg); | |
1169 | return; | |
1170 | } | |
1171 | ||
1172 | os_memset(&info, 0, sizeof(info)); | |
1173 | info.capa = &drv->capa; | |
1174 | ret = send_and_recv_msgs(drv, msg, features_info_handler, &info); | |
1175 | if (ret || !info.flags) | |
1176 | return; | |
1177 | ||
1178 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info)) | |
1179 | drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD; | |
1180 | ||
1181 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info)) | |
1182 | drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY; | |
1183 | ||
1184 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS, | |
1185 | &info)) | |
1186 | drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; | |
1187 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info)) | |
1188 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD; | |
1189 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info)) | |
1190 | drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA; | |
1191 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info)) | |
1192 | drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP; | |
1193 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info)) | |
1194 | drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON; | |
1195 | os_free(info.flags); | |
1196 | } | |
1197 | ||
1198 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
1199 | ||
1200 | ||
1201 | int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) | |
1202 | { | |
1203 | struct wiphy_info_data info; | |
1204 | if (wpa_driver_nl80211_get_info(drv, &info)) | |
1205 | return -1; | |
1206 | ||
1207 | if (info.error) | |
1208 | return -1; | |
1209 | ||
1210 | drv->has_capability = 1; | |
1211 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1212 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
1213 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1214 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK | | |
1215 | WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B | | |
1216 | WPA_DRIVER_CAPA_KEY_MGMT_OWE | | |
1217 | WPA_DRIVER_CAPA_KEY_MGMT_DPP; | |
1218 | ||
1219 | if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 | | |
1220 | WPA_DRIVER_CAPA_ENC_GCMP_256)) | |
1221 | drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192; | |
1222 | ||
1223 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) | |
1224 | drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | | |
1225 | WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 | | |
1226 | WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 | | |
1227 | WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 | | |
1228 | WPA_DRIVER_CAPA_KEY_MGMT_SAE; | |
1229 | else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD) | |
1230 | drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 | | |
1231 | WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384; | |
1232 | ||
1233 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
1234 | /* Override drv->capa.key_mgmt based on driver advertised capability | |
1235 | * constraints, if available. */ | |
1236 | qca_nl80211_get_akm_suites(drv); | |
1237 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
1238 | ||
1239 | drv->capa.auth = WPA_DRIVER_AUTH_OPEN | | |
1240 | WPA_DRIVER_AUTH_SHARED | | |
1241 | WPA_DRIVER_AUTH_LEAP; | |
1242 | ||
1243 | drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; | |
1244 | drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; | |
1245 | drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
1246 | ||
1247 | /* | |
1248 | * As all cfg80211 drivers must support cases where the AP interface is | |
1249 | * removed without the knowledge of wpa_supplicant/hostapd, e.g., in | |
1250 | * case that the user space daemon has crashed, they must be able to | |
1251 | * cleanup all stations and key entries in the AP tear down flow. Thus, | |
1252 | * this flag can/should always be set for cfg80211 drivers. | |
1253 | */ | |
1254 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT; | |
1255 | ||
1256 | if (!info.device_ap_sme) { | |
1257 | drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; | |
1258 | ||
1259 | /* | |
1260 | * No AP SME is currently assumed to also indicate no AP MLME | |
1261 | * in the driver/firmware. | |
1262 | */ | |
1263 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; | |
1264 | } | |
1265 | ||
1266 | drv->device_ap_sme = info.device_ap_sme; | |
1267 | drv->poll_command_supported = info.poll_command_supported; | |
1268 | drv->data_tx_status = info.data_tx_status; | |
1269 | drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported; | |
1270 | if (info.set_qos_map_supported) | |
1271 | drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING; | |
1272 | drv->have_low_prio_scan = info.have_low_prio_scan; | |
1273 | ||
1274 | /* | |
1275 | * If poll command and tx status are supported, mac80211 is new enough | |
1276 | * to have everything we need to not need monitor interfaces. | |
1277 | */ | |
1278 | drv->use_monitor = !info.device_ap_sme && | |
1279 | (!info.poll_command_supported || !info.data_tx_status); | |
1280 | ||
1281 | /* | |
1282 | * If we aren't going to use monitor interfaces, but the | |
1283 | * driver doesn't support data TX status, we won't get TX | |
1284 | * status for EAPOL frames. | |
1285 | */ | |
1286 | if (!drv->use_monitor && !info.data_tx_status) | |
1287 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
1288 | ||
1289 | #ifdef CONFIG_DRIVER_NL80211_QCA | |
1290 | if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) | |
1291 | qca_nl80211_check_dfs_capa(drv); | |
1292 | qca_nl80211_get_features(drv); | |
1293 | ||
1294 | /* | |
1295 | * To enable offchannel simultaneous support in wpa_supplicant, the | |
1296 | * underlying driver needs to support the same along with offchannel TX. | |
1297 | * Offchannel TX support is needed since remain_on_channel and | |
1298 | * action_tx use some common data structures and hence cannot be | |
1299 | * scheduled simultaneously. | |
1300 | */ | |
1301 | if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX)) | |
1302 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS; | |
1303 | #endif /* CONFIG_DRIVER_NL80211_QCA */ | |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
1308 | ||
1309 | struct phy_info_arg { | |
1310 | u16 *num_modes; | |
1311 | struct hostapd_hw_modes *modes; | |
1312 | int last_mode, last_chan_idx; | |
1313 | int failed; | |
1314 | u8 dfs_domain; | |
1315 | }; | |
1316 | ||
1317 | static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, | |
1318 | struct nlattr *ampdu_factor, | |
1319 | struct nlattr *ampdu_density, | |
1320 | struct nlattr *mcs_set) | |
1321 | { | |
1322 | if (capa) | |
1323 | mode->ht_capab = nla_get_u16(capa); | |
1324 | ||
1325 | if (ampdu_factor) | |
1326 | mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; | |
1327 | ||
1328 | if (ampdu_density) | |
1329 | mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; | |
1330 | ||
1331 | if (mcs_set && nla_len(mcs_set) >= 16) { | |
1332 | u8 *mcs; | |
1333 | mcs = nla_data(mcs_set); | |
1334 | os_memcpy(mode->mcs_set, mcs, 16); | |
1335 | } | |
1336 | } | |
1337 | ||
1338 | ||
1339 | static void phy_info_vht_capa(struct hostapd_hw_modes *mode, | |
1340 | struct nlattr *capa, | |
1341 | struct nlattr *mcs_set) | |
1342 | { | |
1343 | if (capa) | |
1344 | mode->vht_capab = nla_get_u32(capa); | |
1345 | ||
1346 | if (mcs_set && nla_len(mcs_set) >= 8) { | |
1347 | u8 *mcs; | |
1348 | mcs = nla_data(mcs_set); | |
1349 | os_memcpy(mode->vht_mcs_set, mcs, 8); | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | ||
1354 | static int phy_info_edmg_capa(struct hostapd_hw_modes *mode, | |
1355 | struct nlattr *bw_config, | |
1356 | struct nlattr *channels) | |
1357 | { | |
1358 | if (!bw_config || !channels) | |
1359 | return NL_OK; | |
1360 | ||
1361 | mode->edmg.bw_config = nla_get_u8(bw_config); | |
1362 | mode->edmg.channels = nla_get_u8(channels); | |
1363 | ||
1364 | if (!mode->edmg.channels || !mode->edmg.bw_config) | |
1365 | return NL_STOP; | |
1366 | ||
1367 | return NL_OK; | |
1368 | } | |
1369 | ||
1370 | ||
1371 | static void phy_info_freq(struct hostapd_hw_modes *mode, | |
1372 | struct hostapd_channel_data *chan, | |
1373 | struct nlattr *tb_freq[]) | |
1374 | { | |
1375 | u8 channel; | |
1376 | ||
1377 | os_memset(chan, 0, sizeof(*chan)); | |
1378 | chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); | |
1379 | chan->flag = 0; | |
1380 | chan->allowed_bw = ~0; | |
1381 | chan->dfs_cac_ms = 0; | |
1382 | if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES) | |
1383 | chan->chan = channel; | |
1384 | else | |
1385 | wpa_printf(MSG_DEBUG, | |
1386 | "nl80211: No channel number found for frequency %u MHz", | |
1387 | chan->freq); | |
1388 | ||
1389 | if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) | |
1390 | chan->flag |= HOSTAPD_CHAN_DISABLED; | |
1391 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR]) | |
1392 | chan->flag |= HOSTAPD_CHAN_NO_IR; | |
1393 | if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) | |
1394 | chan->flag |= HOSTAPD_CHAN_RADAR; | |
1395 | if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY]) | |
1396 | chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY; | |
1397 | if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT]) | |
1398 | chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT; | |
1399 | ||
1400 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ]) | |
1401 | chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10; | |
1402 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ]) | |
1403 | chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20; | |
1404 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS]) | |
1405 | chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P; | |
1406 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS]) | |
1407 | chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M; | |
1408 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ]) | |
1409 | chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80; | |
1410 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ]) | |
1411 | chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160; | |
1412 | ||
1413 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { | |
1414 | enum nl80211_dfs_state state = | |
1415 | nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); | |
1416 | ||
1417 | switch (state) { | |
1418 | case NL80211_DFS_USABLE: | |
1419 | chan->flag |= HOSTAPD_CHAN_DFS_USABLE; | |
1420 | break; | |
1421 | case NL80211_DFS_AVAILABLE: | |
1422 | chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE; | |
1423 | break; | |
1424 | case NL80211_DFS_UNAVAILABLE: | |
1425 | chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE; | |
1426 | break; | |
1427 | } | |
1428 | } | |
1429 | ||
1430 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) { | |
1431 | chan->dfs_cac_ms = nla_get_u32( | |
1432 | tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]); | |
1433 | } | |
1434 | ||
1435 | chan->wmm_rules_valid = 0; | |
1436 | if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) { | |
1437 | static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = { | |
1438 | [NL80211_WMMR_CW_MIN] = { .type = NLA_U16 }, | |
1439 | [NL80211_WMMR_CW_MAX] = { .type = NLA_U16 }, | |
1440 | [NL80211_WMMR_AIFSN] = { .type = NLA_U8 }, | |
1441 | [NL80211_WMMR_TXOP] = { .type = NLA_U16 }, | |
1442 | }; | |
1443 | static const u8 wmm_map[4] = { | |
1444 | [NL80211_AC_BE] = WMM_AC_BE, | |
1445 | [NL80211_AC_BK] = WMM_AC_BK, | |
1446 | [NL80211_AC_VI] = WMM_AC_VI, | |
1447 | [NL80211_AC_VO] = WMM_AC_VO, | |
1448 | }; | |
1449 | struct nlattr *nl_wmm; | |
1450 | struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1]; | |
1451 | int rem_wmm, ac, count = 0; | |
1452 | ||
1453 | nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM], | |
1454 | rem_wmm) { | |
1455 | if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm, | |
1456 | wmm_policy)) { | |
1457 | wpa_printf(MSG_DEBUG, | |
1458 | "nl80211: Failed to parse WMM rules attribute"); | |
1459 | return; | |
1460 | } | |
1461 | if (!tb_wmm[NL80211_WMMR_CW_MIN] || | |
1462 | !tb_wmm[NL80211_WMMR_CW_MAX] || | |
1463 | !tb_wmm[NL80211_WMMR_AIFSN] || | |
1464 | !tb_wmm[NL80211_WMMR_TXOP]) { | |
1465 | wpa_printf(MSG_DEBUG, | |
1466 | "nl80211: Channel is missing WMM rule attribute"); | |
1467 | return; | |
1468 | } | |
1469 | ac = nl_wmm->nla_type; | |
1470 | if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) { | |
1471 | wpa_printf(MSG_DEBUG, | |
1472 | "nl80211: Invalid AC value %d", ac); | |
1473 | return; | |
1474 | } | |
1475 | ||
1476 | ac = wmm_map[ac]; | |
1477 | chan->wmm_rules[ac].min_cwmin = | |
1478 | nla_get_u16(tb_wmm[NL80211_WMMR_CW_MIN]); | |
1479 | chan->wmm_rules[ac].min_cwmax = | |
1480 | nla_get_u16(tb_wmm[NL80211_WMMR_CW_MAX]); | |
1481 | chan->wmm_rules[ac].min_aifs = | |
1482 | nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]); | |
1483 | chan->wmm_rules[ac].max_txop = | |
1484 | nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32; | |
1485 | count++; | |
1486 | } | |
1487 | ||
1488 | /* Set valid flag if all the AC rules are present */ | |
1489 | if (count == WMM_AC_NUM) | |
1490 | chan->wmm_rules_valid = 1; | |
1491 | } | |
1492 | } | |
1493 | ||
1494 | ||
1495 | static int phy_info_freqs(struct phy_info_arg *phy_info, | |
1496 | struct hostapd_hw_modes *mode, struct nlattr *tb) | |
1497 | { | |
1498 | static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { | |
1499 | [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, | |
1500 | [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, | |
1501 | [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, | |
1502 | [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, | |
1503 | [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, | |
1504 | [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 }, | |
1505 | [NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG }, | |
1506 | [NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG }, | |
1507 | [NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG }, | |
1508 | [NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG }, | |
1509 | [NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG }, | |
1510 | [NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG }, | |
1511 | }; | |
1512 | int new_channels = 0; | |
1513 | struct hostapd_channel_data *channel; | |
1514 | struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
1515 | struct nlattr *nl_freq; | |
1516 | int rem_freq, idx; | |
1517 | ||
1518 | if (tb == NULL) | |
1519 | return NL_OK; | |
1520 | ||
1521 | nla_for_each_nested(nl_freq, tb, rem_freq) { | |
1522 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, | |
1523 | nla_data(nl_freq), nla_len(nl_freq), freq_policy); | |
1524 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
1525 | continue; | |
1526 | new_channels++; | |
1527 | } | |
1528 | ||
1529 | channel = os_realloc_array(mode->channels, | |
1530 | mode->num_channels + new_channels, | |
1531 | sizeof(struct hostapd_channel_data)); | |
1532 | if (!channel) | |
1533 | return NL_STOP; | |
1534 | ||
1535 | mode->channels = channel; | |
1536 | mode->num_channels += new_channels; | |
1537 | ||
1538 | idx = phy_info->last_chan_idx; | |
1539 | ||
1540 | nla_for_each_nested(nl_freq, tb, rem_freq) { | |
1541 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, | |
1542 | nla_data(nl_freq), nla_len(nl_freq), freq_policy); | |
1543 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
1544 | continue; | |
1545 | phy_info_freq(mode, &mode->channels[idx], tb_freq); | |
1546 | idx++; | |
1547 | } | |
1548 | phy_info->last_chan_idx = idx; | |
1549 | ||
1550 | return NL_OK; | |
1551 | } | |
1552 | ||
1553 | ||
1554 | static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) | |
1555 | { | |
1556 | static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { | |
1557 | [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, | |
1558 | [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = | |
1559 | { .type = NLA_FLAG }, | |
1560 | }; | |
1561 | struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; | |
1562 | struct nlattr *nl_rate; | |
1563 | int rem_rate, idx; | |
1564 | ||
1565 | if (tb == NULL) | |
1566 | return NL_OK; | |
1567 | ||
1568 | nla_for_each_nested(nl_rate, tb, rem_rate) { | |
1569 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, | |
1570 | nla_data(nl_rate), nla_len(nl_rate), | |
1571 | rate_policy); | |
1572 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
1573 | continue; | |
1574 | mode->num_rates++; | |
1575 | } | |
1576 | ||
1577 | mode->rates = os_calloc(mode->num_rates, sizeof(int)); | |
1578 | if (!mode->rates) | |
1579 | return NL_STOP; | |
1580 | ||
1581 | idx = 0; | |
1582 | ||
1583 | nla_for_each_nested(nl_rate, tb, rem_rate) { | |
1584 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, | |
1585 | nla_data(nl_rate), nla_len(nl_rate), | |
1586 | rate_policy); | |
1587 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
1588 | continue; | |
1589 | mode->rates[idx] = nla_get_u32( | |
1590 | tb_rate[NL80211_BITRATE_ATTR_RATE]); | |
1591 | idx++; | |
1592 | } | |
1593 | ||
1594 | return NL_OK; | |
1595 | } | |
1596 | ||
1597 | ||
1598 | static void phy_info_iftype_copy(struct he_capabilities *he_capab, | |
1599 | enum ieee80211_op_mode opmode, | |
1600 | struct nlattr **tb, struct nlattr **tb_flags) | |
1601 | { | |
1602 | enum nl80211_iftype iftype; | |
1603 | size_t len; | |
1604 | ||
1605 | switch (opmode) { | |
1606 | case IEEE80211_MODE_INFRA: | |
1607 | iftype = NL80211_IFTYPE_STATION; | |
1608 | break; | |
1609 | case IEEE80211_MODE_IBSS: | |
1610 | iftype = NL80211_IFTYPE_ADHOC; | |
1611 | break; | |
1612 | case IEEE80211_MODE_AP: | |
1613 | iftype = NL80211_IFTYPE_AP; | |
1614 | break; | |
1615 | case IEEE80211_MODE_MESH: | |
1616 | iftype = NL80211_IFTYPE_MESH_POINT; | |
1617 | break; | |
1618 | default: | |
1619 | return; | |
1620 | } | |
1621 | ||
1622 | if (!nla_get_flag(tb_flags[iftype])) | |
1623 | return; | |
1624 | ||
1625 | he_capab->he_supported = 1; | |
1626 | ||
1627 | if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) { | |
1628 | len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]); | |
1629 | ||
1630 | if (len > sizeof(he_capab->phy_cap)) | |
1631 | len = sizeof(he_capab->phy_cap); | |
1632 | os_memcpy(he_capab->phy_cap, | |
1633 | nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]), | |
1634 | len); | |
1635 | } | |
1636 | ||
1637 | if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) { | |
1638 | len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]); | |
1639 | ||
1640 | if (len > sizeof(he_capab->mac_cap)) | |
1641 | len = sizeof(he_capab->mac_cap); | |
1642 | os_memcpy(he_capab->mac_cap, | |
1643 | nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]), | |
1644 | len); | |
1645 | } | |
1646 | ||
1647 | if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) { | |
1648 | len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]); | |
1649 | ||
1650 | if (len > sizeof(he_capab->mcs)) | |
1651 | len = sizeof(he_capab->mcs); | |
1652 | os_memcpy(he_capab->mcs, | |
1653 | nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]), | |
1654 | len); | |
1655 | } | |
1656 | ||
1657 | if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) { | |
1658 | len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]); | |
1659 | ||
1660 | if (len > sizeof(he_capab->ppet)) | |
1661 | len = sizeof(he_capab->ppet); | |
1662 | os_memcpy(&he_capab->ppet, | |
1663 | nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]), | |
1664 | len); | |
1665 | } | |
1666 | } | |
1667 | ||
1668 | ||
1669 | static int phy_info_iftype(struct hostapd_hw_modes *mode, | |
1670 | struct nlattr *nl_iftype) | |
1671 | { | |
1672 | struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1]; | |
1673 | struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1]; | |
1674 | unsigned int i; | |
1675 | ||
1676 | nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX, | |
1677 | nla_data(nl_iftype), nla_len(nl_iftype), NULL); | |
1678 | ||
1679 | if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES]) | |
1680 | return NL_STOP; | |
1681 | ||
1682 | if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX, | |
1683 | tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL)) | |
1684 | return NL_STOP; | |
1685 | ||
1686 | for (i = 0; i < IEEE80211_MODE_NUM; i++) | |
1687 | phy_info_iftype_copy(&mode->he_capab[i], i, tb, tb_flags); | |
1688 | ||
1689 | return NL_OK; | |
1690 | } | |
1691 | ||
1692 | ||
1693 | static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) | |
1694 | { | |
1695 | struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; | |
1696 | struct hostapd_hw_modes *mode; | |
1697 | int ret; | |
1698 | ||
1699 | if (phy_info->last_mode != nl_band->nla_type) { | |
1700 | mode = os_realloc_array(phy_info->modes, | |
1701 | *phy_info->num_modes + 1, | |
1702 | sizeof(*mode)); | |
1703 | if (!mode) { | |
1704 | phy_info->failed = 1; | |
1705 | return NL_STOP; | |
1706 | } | |
1707 | phy_info->modes = mode; | |
1708 | ||
1709 | mode = &phy_info->modes[*(phy_info->num_modes)]; | |
1710 | os_memset(mode, 0, sizeof(*mode)); | |
1711 | mode->mode = NUM_HOSTAPD_MODES; | |
1712 | mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN | | |
1713 | HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN; | |
1714 | ||
1715 | /* | |
1716 | * Unsupported VHT MCS stream is defined as value 3, so the VHT | |
1717 | * MCS RX/TX map must be initialized with 0xffff to mark all 8 | |
1718 | * possible streams as unsupported. This will be overridden if | |
1719 | * driver advertises VHT support. | |
1720 | */ | |
1721 | mode->vht_mcs_set[0] = 0xff; | |
1722 | mode->vht_mcs_set[1] = 0xff; | |
1723 | mode->vht_mcs_set[4] = 0xff; | |
1724 | mode->vht_mcs_set[5] = 0xff; | |
1725 | ||
1726 | *(phy_info->num_modes) += 1; | |
1727 | phy_info->last_mode = nl_band->nla_type; | |
1728 | phy_info->last_chan_idx = 0; | |
1729 | } else | |
1730 | mode = &phy_info->modes[*(phy_info->num_modes) - 1]; | |
1731 | ||
1732 | nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), | |
1733 | nla_len(nl_band), NULL); | |
1734 | ||
1735 | phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], | |
1736 | tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], | |
1737 | tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], | |
1738 | tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); | |
1739 | phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], | |
1740 | tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); | |
1741 | ret = phy_info_edmg_capa(mode, | |
1742 | tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG], | |
1743 | tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]); | |
1744 | if (ret == NL_OK) | |
1745 | ret = phy_info_freqs(phy_info, mode, | |
1746 | tb_band[NL80211_BAND_ATTR_FREQS]); | |
1747 | if (ret == NL_OK) | |
1748 | ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); | |
1749 | if (ret != NL_OK) { | |
1750 | phy_info->failed = 1; | |
1751 | return ret; | |
1752 | } | |
1753 | ||
1754 | if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) { | |
1755 | struct nlattr *nl_iftype; | |
1756 | int rem_band; | |
1757 | ||
1758 | nla_for_each_nested(nl_iftype, | |
1759 | tb_band[NL80211_BAND_ATTR_IFTYPE_DATA], | |
1760 | rem_band) { | |
1761 | ret = phy_info_iftype(mode, nl_iftype); | |
1762 | if (ret != NL_OK) | |
1763 | return ret; | |
1764 | } | |
1765 | } | |
1766 | ||
1767 | return NL_OK; | |
1768 | } | |
1769 | ||
1770 | ||
1771 | static int phy_info_handler(struct nl_msg *msg, void *arg) | |
1772 | { | |
1773 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
1774 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1775 | struct phy_info_arg *phy_info = arg; | |
1776 | struct nlattr *nl_band; | |
1777 | int rem_band; | |
1778 | ||
1779 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1780 | genlmsg_attrlen(gnlh, 0), NULL); | |
1781 | ||
1782 | if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) | |
1783 | return NL_SKIP; | |
1784 | ||
1785 | nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) | |
1786 | { | |
1787 | int res = phy_info_band(phy_info, nl_band); | |
1788 | if (res != NL_OK) | |
1789 | return res; | |
1790 | } | |
1791 | ||
1792 | return NL_SKIP; | |
1793 | } | |
1794 | ||
1795 | ||
1796 | static struct hostapd_hw_modes * | |
1797 | wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, | |
1798 | u16 *num_modes) | |
1799 | { | |
1800 | u16 m; | |
1801 | struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; | |
1802 | int i, mode11g_idx = -1; | |
1803 | ||
1804 | /* heuristic to set up modes */ | |
1805 | for (m = 0; m < *num_modes; m++) { | |
1806 | if (!modes[m].num_channels) | |
1807 | continue; | |
1808 | if (modes[m].channels[0].freq < 4000) { | |
1809 | modes[m].mode = HOSTAPD_MODE_IEEE80211B; | |
1810 | for (i = 0; i < modes[m].num_rates; i++) { | |
1811 | if (modes[m].rates[i] > 200) { | |
1812 | modes[m].mode = HOSTAPD_MODE_IEEE80211G; | |
1813 | break; | |
1814 | } | |
1815 | } | |
1816 | } else if (modes[m].channels[0].freq > 50000) | |
1817 | modes[m].mode = HOSTAPD_MODE_IEEE80211AD; | |
1818 | else | |
1819 | modes[m].mode = HOSTAPD_MODE_IEEE80211A; | |
1820 | } | |
1821 | ||
1822 | /* If only 802.11g mode is included, use it to construct matching | |
1823 | * 802.11b mode data. */ | |
1824 | ||
1825 | for (m = 0; m < *num_modes; m++) { | |
1826 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) | |
1827 | return modes; /* 802.11b already included */ | |
1828 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) | |
1829 | mode11g_idx = m; | |
1830 | } | |
1831 | ||
1832 | if (mode11g_idx < 0) | |
1833 | return modes; /* 2.4 GHz band not supported at all */ | |
1834 | ||
1835 | nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); | |
1836 | if (nmodes == NULL) | |
1837 | return modes; /* Could not add 802.11b mode */ | |
1838 | ||
1839 | mode = &nmodes[*num_modes]; | |
1840 | os_memset(mode, 0, sizeof(*mode)); | |
1841 | (*num_modes)++; | |
1842 | modes = nmodes; | |
1843 | ||
1844 | mode->mode = HOSTAPD_MODE_IEEE80211B; | |
1845 | ||
1846 | mode11g = &modes[mode11g_idx]; | |
1847 | mode->num_channels = mode11g->num_channels; | |
1848 | mode->channels = os_memdup(mode11g->channels, | |
1849 | mode11g->num_channels * | |
1850 | sizeof(struct hostapd_channel_data)); | |
1851 | if (mode->channels == NULL) { | |
1852 | (*num_modes)--; | |
1853 | return modes; /* Could not add 802.11b mode */ | |
1854 | } | |
1855 | ||
1856 | mode->num_rates = 0; | |
1857 | mode->rates = os_malloc(4 * sizeof(int)); | |
1858 | if (mode->rates == NULL) { | |
1859 | os_free(mode->channels); | |
1860 | (*num_modes)--; | |
1861 | return modes; /* Could not add 802.11b mode */ | |
1862 | } | |
1863 | ||
1864 | for (i = 0; i < mode11g->num_rates; i++) { | |
1865 | if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && | |
1866 | mode11g->rates[i] != 55 && mode11g->rates[i] != 110) | |
1867 | continue; | |
1868 | mode->rates[mode->num_rates] = mode11g->rates[i]; | |
1869 | mode->num_rates++; | |
1870 | if (mode->num_rates == 4) | |
1871 | break; | |
1872 | } | |
1873 | ||
1874 | if (mode->num_rates == 0) { | |
1875 | os_free(mode->channels); | |
1876 | os_free(mode->rates); | |
1877 | (*num_modes)--; | |
1878 | return modes; /* No 802.11b rates */ | |
1879 | } | |
1880 | ||
1881 | wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " | |
1882 | "information"); | |
1883 | ||
1884 | return modes; | |
1885 | } | |
1886 | ||
1887 | ||
1888 | static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, | |
1889 | int end) | |
1890 | { | |
1891 | int c; | |
1892 | ||
1893 | for (c = 0; c < mode->num_channels; c++) { | |
1894 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
1895 | if (chan->freq - 10 >= start && chan->freq + 10 <= end) | |
1896 | chan->flag |= HOSTAPD_CHAN_HT40; | |
1897 | } | |
1898 | } | |
1899 | ||
1900 | ||
1901 | static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, | |
1902 | int end) | |
1903 | { | |
1904 | int c; | |
1905 | ||
1906 | for (c = 0; c < mode->num_channels; c++) { | |
1907 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
1908 | if (!(chan->flag & HOSTAPD_CHAN_HT40)) | |
1909 | continue; | |
1910 | if (chan->freq - 30 >= start && chan->freq - 10 <= end) | |
1911 | chan->flag |= HOSTAPD_CHAN_HT40MINUS; | |
1912 | if (chan->freq + 10 >= start && chan->freq + 30 <= end) | |
1913 | chan->flag |= HOSTAPD_CHAN_HT40PLUS; | |
1914 | } | |
1915 | } | |
1916 | ||
1917 | ||
1918 | static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp, | |
1919 | struct phy_info_arg *results) | |
1920 | { | |
1921 | u16 m; | |
1922 | ||
1923 | for (m = 0; m < *results->num_modes; m++) { | |
1924 | int c; | |
1925 | struct hostapd_hw_modes *mode = &results->modes[m]; | |
1926 | ||
1927 | for (c = 0; c < mode->num_channels; c++) { | |
1928 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
1929 | if ((u32) chan->freq - 10 >= start && | |
1930 | (u32) chan->freq + 10 <= end) | |
1931 | chan->max_tx_power = max_eirp; | |
1932 | } | |
1933 | } | |
1934 | } | |
1935 | ||
1936 | ||
1937 | static void nl80211_reg_rule_ht40(u32 start, u32 end, | |
1938 | struct phy_info_arg *results) | |
1939 | { | |
1940 | u16 m; | |
1941 | ||
1942 | for (m = 0; m < *results->num_modes; m++) { | |
1943 | if (!(results->modes[m].ht_capab & | |
1944 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
1945 | continue; | |
1946 | nl80211_set_ht40_mode(&results->modes[m], start, end); | |
1947 | } | |
1948 | } | |
1949 | ||
1950 | ||
1951 | static void nl80211_reg_rule_sec(struct nlattr *tb[], | |
1952 | struct phy_info_arg *results) | |
1953 | { | |
1954 | u32 start, end, max_bw; | |
1955 | u16 m; | |
1956 | ||
1957 | if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
1958 | tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || | |
1959 | tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) | |
1960 | return; | |
1961 | ||
1962 | start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
1963 | end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
1964 | max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
1965 | ||
1966 | if (max_bw < 20) | |
1967 | return; | |
1968 | ||
1969 | for (m = 0; m < *results->num_modes; m++) { | |
1970 | if (!(results->modes[m].ht_capab & | |
1971 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
1972 | continue; | |
1973 | nl80211_set_ht40_mode_sec(&results->modes[m], start, end); | |
1974 | } | |
1975 | } | |
1976 | ||
1977 | ||
1978 | static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start, | |
1979 | int end, int max_bw) | |
1980 | { | |
1981 | int c; | |
1982 | ||
1983 | for (c = 0; c < mode->num_channels; c++) { | |
1984 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
1985 | if (chan->freq - 10 >= start && chan->freq + 70 <= end) | |
1986 | chan->flag |= HOSTAPD_CHAN_VHT_10_70; | |
1987 | ||
1988 | if (chan->freq - 30 >= start && chan->freq + 50 <= end) | |
1989 | chan->flag |= HOSTAPD_CHAN_VHT_30_50; | |
1990 | ||
1991 | if (chan->freq - 50 >= start && chan->freq + 30 <= end) | |
1992 | chan->flag |= HOSTAPD_CHAN_VHT_50_30; | |
1993 | ||
1994 | if (chan->freq - 70 >= start && chan->freq + 10 <= end) | |
1995 | chan->flag |= HOSTAPD_CHAN_VHT_70_10; | |
1996 | ||
1997 | if (max_bw >= 160) { | |
1998 | if (chan->freq - 10 >= start && chan->freq + 150 <= end) | |
1999 | chan->flag |= HOSTAPD_CHAN_VHT_10_150; | |
2000 | ||
2001 | if (chan->freq - 30 >= start && chan->freq + 130 <= end) | |
2002 | chan->flag |= HOSTAPD_CHAN_VHT_30_130; | |
2003 | ||
2004 | if (chan->freq - 50 >= start && chan->freq + 110 <= end) | |
2005 | chan->flag |= HOSTAPD_CHAN_VHT_50_110; | |
2006 | ||
2007 | if (chan->freq - 70 >= start && chan->freq + 90 <= end) | |
2008 | chan->flag |= HOSTAPD_CHAN_VHT_70_90; | |
2009 | ||
2010 | if (chan->freq - 90 >= start && chan->freq + 70 <= end) | |
2011 | chan->flag |= HOSTAPD_CHAN_VHT_90_70; | |
2012 | ||
2013 | if (chan->freq - 110 >= start && chan->freq + 50 <= end) | |
2014 | chan->flag |= HOSTAPD_CHAN_VHT_110_50; | |
2015 | ||
2016 | if (chan->freq - 130 >= start && chan->freq + 30 <= end) | |
2017 | chan->flag |= HOSTAPD_CHAN_VHT_130_30; | |
2018 | ||
2019 | if (chan->freq - 150 >= start && chan->freq + 10 <= end) | |
2020 | chan->flag |= HOSTAPD_CHAN_VHT_150_10; | |
2021 | } | |
2022 | } | |
2023 | } | |
2024 | ||
2025 | ||
2026 | static void nl80211_reg_rule_vht(struct nlattr *tb[], | |
2027 | struct phy_info_arg *results) | |
2028 | { | |
2029 | u32 start, end, max_bw; | |
2030 | u16 m; | |
2031 | ||
2032 | if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
2033 | tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || | |
2034 | tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) | |
2035 | return; | |
2036 | ||
2037 | start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
2038 | end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
2039 | max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
2040 | ||
2041 | if (max_bw < 80) | |
2042 | return; | |
2043 | ||
2044 | for (m = 0; m < *results->num_modes; m++) { | |
2045 | if (!(results->modes[m].ht_capab & | |
2046 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
2047 | continue; | |
2048 | /* TODO: use a real VHT support indication */ | |
2049 | if (!results->modes[m].vht_capab) | |
2050 | continue; | |
2051 | ||
2052 | nl80211_set_vht_mode(&results->modes[m], start, end, max_bw); | |
2053 | } | |
2054 | } | |
2055 | ||
2056 | ||
2057 | static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region, | |
2058 | u8 *dfs_domain) | |
2059 | { | |
2060 | if (region == NL80211_DFS_FCC) | |
2061 | *dfs_domain = HOSTAPD_DFS_REGION_FCC; | |
2062 | else if (region == NL80211_DFS_ETSI) | |
2063 | *dfs_domain = HOSTAPD_DFS_REGION_ETSI; | |
2064 | else if (region == NL80211_DFS_JP) | |
2065 | *dfs_domain = HOSTAPD_DFS_REGION_JP; | |
2066 | else | |
2067 | *dfs_domain = 0; | |
2068 | } | |
2069 | ||
2070 | ||
2071 | static const char * dfs_domain_name(enum nl80211_dfs_regions region) | |
2072 | { | |
2073 | switch (region) { | |
2074 | case NL80211_DFS_UNSET: | |
2075 | return "DFS-UNSET"; | |
2076 | case NL80211_DFS_FCC: | |
2077 | return "DFS-FCC"; | |
2078 | case NL80211_DFS_ETSI: | |
2079 | return "DFS-ETSI"; | |
2080 | case NL80211_DFS_JP: | |
2081 | return "DFS-JP"; | |
2082 | default: | |
2083 | return "DFS-invalid"; | |
2084 | } | |
2085 | } | |
2086 | ||
2087 | ||
2088 | static int nl80211_get_reg(struct nl_msg *msg, void *arg) | |
2089 | { | |
2090 | struct phy_info_arg *results = arg; | |
2091 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
2092 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
2093 | struct nlattr *nl_rule; | |
2094 | struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
2095 | int rem_rule; | |
2096 | static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { | |
2097 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
2098 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
2099 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
2100 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
2101 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
2102 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
2103 | }; | |
2104 | ||
2105 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
2106 | genlmsg_attrlen(gnlh, 0), NULL); | |
2107 | if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || | |
2108 | !tb_msg[NL80211_ATTR_REG_RULES]) { | |
2109 | wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " | |
2110 | "available"); | |
2111 | return NL_SKIP; | |
2112 | } | |
2113 | ||
2114 | if (tb_msg[NL80211_ATTR_DFS_REGION]) { | |
2115 | enum nl80211_dfs_regions dfs_domain; | |
2116 | dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]); | |
2117 | nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain); | |
2118 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)", | |
2119 | (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), | |
2120 | dfs_domain_name(dfs_domain)); | |
2121 | } else { | |
2122 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", | |
2123 | (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); | |
2124 | } | |
2125 | ||
2126 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
2127 | { | |
2128 | u32 start, end, max_eirp = 0, max_bw = 0, flags = 0; | |
2129 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
2130 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
2131 | if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
2132 | tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL) | |
2133 | continue; | |
2134 | start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
2135 | end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
2136 | if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
2137 | max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100; | |
2138 | if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
2139 | max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
2140 | if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS]) | |
2141 | flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]); | |
2142 | ||
2143 | wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s", | |
2144 | start, end, max_bw, max_eirp, | |
2145 | flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "", | |
2146 | flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "", | |
2147 | flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "", | |
2148 | flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" : | |
2149 | "", | |
2150 | flags & NL80211_RRF_DFS ? " (DFS)" : "", | |
2151 | flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "", | |
2152 | flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "", | |
2153 | flags & NL80211_RRF_NO_IR ? " (no IR)" : ""); | |
2154 | if (max_bw >= 40) | |
2155 | nl80211_reg_rule_ht40(start, end, results); | |
2156 | if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
2157 | nl80211_reg_rule_max_eirp(start, end, max_eirp, | |
2158 | results); | |
2159 | } | |
2160 | ||
2161 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
2162 | { | |
2163 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
2164 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
2165 | nl80211_reg_rule_sec(tb_rule, results); | |
2166 | } | |
2167 | ||
2168 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
2169 | { | |
2170 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
2171 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
2172 | nl80211_reg_rule_vht(tb_rule, results); | |
2173 | } | |
2174 | ||
2175 | return NL_SKIP; | |
2176 | } | |
2177 | ||
2178 | ||
2179 | static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv, | |
2180 | struct phy_info_arg *results) | |
2181 | { | |
2182 | struct nl_msg *msg; | |
2183 | ||
2184 | msg = nlmsg_alloc(); | |
2185 | if (!msg) | |
2186 | return -ENOMEM; | |
2187 | ||
2188 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); | |
2189 | if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) { | |
2190 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) { | |
2191 | nlmsg_free(msg); | |
2192 | return -1; | |
2193 | } | |
2194 | } | |
2195 | ||
2196 | return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); | |
2197 | } | |
2198 | ||
2199 | ||
2200 | static const char * modestr(enum hostapd_hw_mode mode) | |
2201 | { | |
2202 | switch (mode) { | |
2203 | case HOSTAPD_MODE_IEEE80211B: | |
2204 | return "802.11b"; | |
2205 | case HOSTAPD_MODE_IEEE80211G: | |
2206 | return "802.11g"; | |
2207 | case HOSTAPD_MODE_IEEE80211A: | |
2208 | return "802.11a"; | |
2209 | case HOSTAPD_MODE_IEEE80211AD: | |
2210 | return "802.11ad"; | |
2211 | default: | |
2212 | return "?"; | |
2213 | } | |
2214 | } | |
2215 | ||
2216 | ||
2217 | static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes, | |
2218 | u16 num_modes) | |
2219 | { | |
2220 | int i; | |
2221 | ||
2222 | if (!modes) | |
2223 | return; | |
2224 | ||
2225 | for (i = 0; i < num_modes; i++) { | |
2226 | struct hostapd_hw_modes *mode = &modes[i]; | |
2227 | char str[200]; | |
2228 | char *pos = str; | |
2229 | char *end = pos + sizeof(str); | |
2230 | int j, res; | |
2231 | ||
2232 | for (j = 0; j < mode->num_channels; j++) { | |
2233 | struct hostapd_channel_data *chan = &mode->channels[j]; | |
2234 | ||
2235 | res = os_snprintf(pos, end - pos, " %d%s%s%s", | |
2236 | chan->freq, | |
2237 | (chan->flag & HOSTAPD_CHAN_DISABLED) ? | |
2238 | "[DISABLED]" : "", | |
2239 | (chan->flag & HOSTAPD_CHAN_NO_IR) ? | |
2240 | "[NO_IR]" : "", | |
2241 | (chan->flag & HOSTAPD_CHAN_RADAR) ? | |
2242 | "[RADAR]" : ""); | |
2243 | if (os_snprintf_error(end - pos, res)) | |
2244 | break; | |
2245 | pos += res; | |
2246 | } | |
2247 | ||
2248 | *pos = '\0'; | |
2249 | wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s", | |
2250 | modestr(mode->mode), str); | |
2251 | } | |
2252 | } | |
2253 | ||
2254 | ||
2255 | struct hostapd_hw_modes * | |
2256 | nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags, | |
2257 | u8 *dfs_domain) | |
2258 | { | |
2259 | u32 feat; | |
2260 | struct i802_bss *bss = priv; | |
2261 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
2262 | int nl_flags = 0; | |
2263 | struct nl_msg *msg; | |
2264 | struct phy_info_arg result = { | |
2265 | .num_modes = num_modes, | |
2266 | .modes = NULL, | |
2267 | .last_mode = -1, | |
2268 | .failed = 0, | |
2269 | .dfs_domain = 0, | |
2270 | }; | |
2271 | ||
2272 | *num_modes = 0; | |
2273 | *flags = 0; | |
2274 | *dfs_domain = 0; | |
2275 | ||
2276 | feat = get_nl80211_protocol_features(drv); | |
2277 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) | |
2278 | nl_flags = NLM_F_DUMP; | |
2279 | if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) || | |
2280 | nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { | |
2281 | nlmsg_free(msg); | |
2282 | return NULL; | |
2283 | } | |
2284 | ||
2285 | if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { | |
2286 | struct hostapd_hw_modes *modes; | |
2287 | ||
2288 | nl80211_set_regulatory_flags(drv, &result); | |
2289 | if (result.failed) { | |
2290 | int i; | |
2291 | ||
2292 | for (i = 0; result.modes && i < *num_modes; i++) { | |
2293 | os_free(result.modes[i].channels); | |
2294 | os_free(result.modes[i].rates); | |
2295 | } | |
2296 | os_free(result.modes); | |
2297 | *num_modes = 0; | |
2298 | return NULL; | |
2299 | } | |
2300 | ||
2301 | *dfs_domain = result.dfs_domain; | |
2302 | ||
2303 | modes = wpa_driver_nl80211_postprocess_modes(result.modes, | |
2304 | num_modes); | |
2305 | nl80211_dump_chan_list(modes, *num_modes); | |
2306 | return modes; | |
2307 | } | |
2308 | ||
2309 | return NULL; | |
2310 | } |