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0fafeb54 JM |
1 | /* |
2 | * Driver interaction with Linux nl80211/cfg80211 - Capabilities | |
399e6135 | 3 | * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi> |
0fafeb54 JM |
4 | * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> |
5 | * Copyright (c) 2009-2010, Atheros Communications | |
6 | * | |
7 | * This software may be distributed under the terms of the BSD license. | |
8 | * See README for more details. | |
9 | */ | |
10 | ||
11 | #include "includes.h" | |
12 | #include <netlink/genl/genl.h> | |
13 | ||
14 | #include "utils/common.h" | |
15 | #include "common/ieee802_11_defs.h" | |
16 | #include "common/ieee802_11_common.h" | |
17 | #include "common/qca-vendor.h" | |
18 | #include "common/qca-vendor-attr.h" | |
19 | #include "driver_nl80211.h" | |
20 | ||
21 | ||
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) | |
9589a91e JM |
45 | return 0; |
46 | ||
47 | if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) { | |
48 | nlmsg_free(msg); | |
49 | return 0; | |
50 | } | |
0fafeb54 | 51 | |
0fafeb54 JM |
52 | if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0) |
53 | return feat; | |
54 | ||
0fafeb54 JM |
55 | return 0; |
56 | } | |
57 | ||
58 | ||
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 monitor_supported:1; | |
70 | unsigned int auth_supported:1; | |
71 | unsigned int connect_supported:1; | |
72 | unsigned int p2p_go_supported:1; | |
73 | unsigned int p2p_client_supported:1; | |
abb8d08b | 74 | unsigned int p2p_go_ctwindow_supported:1; |
0fafeb54 JM |
75 | unsigned int p2p_concurrent:1; |
76 | unsigned int channel_switch_supported:1; | |
77 | unsigned int set_qos_map_supported:1; | |
78 | unsigned int have_low_prio_scan:1; | |
dfa87878 | 79 | unsigned int wmm_ac_supported:1; |
86056fea IP |
80 | unsigned int mac_addr_rand_scan_supported:1; |
81 | unsigned int mac_addr_rand_sched_scan_supported:1; | |
0fafeb54 JM |
82 | }; |
83 | ||
84 | ||
85 | static unsigned int probe_resp_offload_support(int supp_protocols) | |
86 | { | |
87 | unsigned int prot = 0; | |
88 | ||
89 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS) | |
90 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS; | |
91 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2) | |
92 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2; | |
93 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P) | |
94 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P; | |
95 | if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U) | |
96 | prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING; | |
97 | ||
98 | return prot; | |
99 | } | |
100 | ||
101 | ||
102 | static void wiphy_info_supported_iftypes(struct wiphy_info_data *info, | |
103 | struct nlattr *tb) | |
104 | { | |
105 | struct nlattr *nl_mode; | |
106 | int i; | |
107 | ||
108 | if (tb == NULL) | |
109 | return; | |
110 | ||
111 | nla_for_each_nested(nl_mode, tb, i) { | |
112 | switch (nla_type(nl_mode)) { | |
113 | case NL80211_IFTYPE_AP: | |
114 | info->capa->flags |= WPA_DRIVER_FLAGS_AP; | |
115 | break; | |
116 | case NL80211_IFTYPE_MESH_POINT: | |
117 | info->capa->flags |= WPA_DRIVER_FLAGS_MESH; | |
118 | break; | |
119 | case NL80211_IFTYPE_ADHOC: | |
120 | info->capa->flags |= WPA_DRIVER_FLAGS_IBSS; | |
121 | break; | |
122 | case NL80211_IFTYPE_P2P_DEVICE: | |
123 | info->capa->flags |= | |
124 | WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE; | |
125 | break; | |
126 | case NL80211_IFTYPE_P2P_GO: | |
127 | info->p2p_go_supported = 1; | |
128 | break; | |
129 | case NL80211_IFTYPE_P2P_CLIENT: | |
130 | info->p2p_client_supported = 1; | |
131 | break; | |
132 | case NL80211_IFTYPE_MONITOR: | |
133 | info->monitor_supported = 1; | |
134 | break; | |
135 | } | |
136 | } | |
137 | } | |
138 | ||
139 | ||
140 | static int wiphy_info_iface_comb_process(struct wiphy_info_data *info, | |
141 | struct nlattr *nl_combi) | |
142 | { | |
143 | struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB]; | |
144 | struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT]; | |
145 | struct nlattr *nl_limit, *nl_mode; | |
146 | int err, rem_limit, rem_mode; | |
147 | int combination_has_p2p = 0, combination_has_mgd = 0; | |
148 | static struct nla_policy | |
149 | iface_combination_policy[NUM_NL80211_IFACE_COMB] = { | |
150 | [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED }, | |
151 | [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 }, | |
152 | [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG }, | |
153 | [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 }, | |
154 | [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 }, | |
155 | }, | |
156 | iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = { | |
157 | [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED }, | |
158 | [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 }, | |
159 | }; | |
160 | ||
161 | err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB, | |
162 | nl_combi, iface_combination_policy); | |
163 | if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] || | |
164 | !tb_comb[NL80211_IFACE_COMB_MAXNUM] || | |
165 | !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) | |
166 | return 0; /* broken combination */ | |
167 | ||
168 | if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS]) | |
169 | info->capa->flags |= WPA_DRIVER_FLAGS_RADAR; | |
170 | ||
171 | nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS], | |
172 | rem_limit) { | |
173 | err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT, | |
174 | nl_limit, iface_limit_policy); | |
175 | if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES]) | |
176 | return 0; /* broken combination */ | |
177 | ||
178 | nla_for_each_nested(nl_mode, | |
179 | tb_limit[NL80211_IFACE_LIMIT_TYPES], | |
180 | rem_mode) { | |
181 | int ift = nla_type(nl_mode); | |
182 | if (ift == NL80211_IFTYPE_P2P_GO || | |
183 | ift == NL80211_IFTYPE_P2P_CLIENT) | |
184 | combination_has_p2p = 1; | |
185 | if (ift == NL80211_IFTYPE_STATION) | |
186 | combination_has_mgd = 1; | |
187 | } | |
188 | if (combination_has_p2p && combination_has_mgd) | |
189 | break; | |
190 | } | |
191 | ||
192 | if (combination_has_p2p && combination_has_mgd) { | |
193 | unsigned int num_channels = | |
194 | nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]); | |
195 | ||
196 | info->p2p_concurrent = 1; | |
197 | if (info->num_multichan_concurrent < num_channels) | |
198 | info->num_multichan_concurrent = num_channels; | |
199 | } | |
200 | ||
201 | return 0; | |
202 | } | |
203 | ||
204 | ||
205 | static void wiphy_info_iface_comb(struct wiphy_info_data *info, | |
206 | struct nlattr *tb) | |
207 | { | |
208 | struct nlattr *nl_combi; | |
209 | int rem_combi; | |
210 | ||
211 | if (tb == NULL) | |
212 | return; | |
213 | ||
214 | nla_for_each_nested(nl_combi, tb, rem_combi) { | |
215 | if (wiphy_info_iface_comb_process(info, nl_combi) > 0) | |
216 | break; | |
217 | } | |
218 | } | |
219 | ||
220 | ||
221 | static void wiphy_info_supp_cmds(struct wiphy_info_data *info, | |
222 | struct nlattr *tb) | |
223 | { | |
224 | struct nlattr *nl_cmd; | |
225 | int i; | |
226 | ||
227 | if (tb == NULL) | |
228 | return; | |
229 | ||
230 | nla_for_each_nested(nl_cmd, tb, i) { | |
231 | switch (nla_get_u32(nl_cmd)) { | |
232 | case NL80211_CMD_AUTHENTICATE: | |
233 | info->auth_supported = 1; | |
234 | break; | |
235 | case NL80211_CMD_CONNECT: | |
236 | info->connect_supported = 1; | |
237 | break; | |
238 | case NL80211_CMD_START_SCHED_SCAN: | |
239 | info->capa->sched_scan_supported = 1; | |
240 | break; | |
241 | case NL80211_CMD_PROBE_CLIENT: | |
242 | info->poll_command_supported = 1; | |
243 | break; | |
244 | case NL80211_CMD_CHANNEL_SWITCH: | |
245 | info->channel_switch_supported = 1; | |
246 | break; | |
247 | case NL80211_CMD_SET_QOS_MAP: | |
248 | info->set_qos_map_supported = 1; | |
249 | break; | |
250 | } | |
251 | } | |
252 | } | |
253 | ||
254 | ||
255 | static void wiphy_info_cipher_suites(struct wiphy_info_data *info, | |
256 | struct nlattr *tb) | |
257 | { | |
258 | int i, num; | |
259 | u32 *ciphers; | |
260 | ||
261 | if (tb == NULL) | |
262 | return; | |
263 | ||
264 | num = nla_len(tb) / sizeof(u32); | |
265 | ciphers = nla_data(tb); | |
266 | for (i = 0; i < num; i++) { | |
267 | u32 c = ciphers[i]; | |
268 | ||
269 | wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d", | |
270 | c >> 24, (c >> 16) & 0xff, | |
271 | (c >> 8) & 0xff, c & 0xff); | |
272 | switch (c) { | |
273 | case WLAN_CIPHER_SUITE_CCMP_256: | |
274 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256; | |
275 | break; | |
276 | case WLAN_CIPHER_SUITE_GCMP_256: | |
277 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256; | |
278 | break; | |
279 | case WLAN_CIPHER_SUITE_CCMP: | |
280 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP; | |
281 | break; | |
282 | case WLAN_CIPHER_SUITE_GCMP: | |
283 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP; | |
284 | break; | |
285 | case WLAN_CIPHER_SUITE_TKIP: | |
286 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP; | |
287 | break; | |
288 | case WLAN_CIPHER_SUITE_WEP104: | |
289 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104; | |
290 | break; | |
291 | case WLAN_CIPHER_SUITE_WEP40: | |
292 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40; | |
293 | break; | |
294 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
295 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP; | |
296 | break; | |
297 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: | |
298 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128; | |
299 | break; | |
300 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
301 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256; | |
302 | break; | |
303 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: | |
304 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256; | |
305 | break; | |
306 | case WLAN_CIPHER_SUITE_NO_GROUP_ADDR: | |
307 | info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED; | |
308 | break; | |
309 | } | |
310 | } | |
311 | } | |
312 | ||
313 | ||
314 | static void wiphy_info_max_roc(struct wpa_driver_capa *capa, | |
315 | struct nlattr *tb) | |
316 | { | |
317 | if (tb) | |
318 | capa->max_remain_on_chan = nla_get_u32(tb); | |
319 | } | |
320 | ||
321 | ||
322 | static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls, | |
323 | struct nlattr *ext_setup) | |
324 | { | |
325 | if (tdls == NULL) | |
326 | return; | |
327 | ||
328 | wpa_printf(MSG_DEBUG, "nl80211: TDLS supported"); | |
329 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT; | |
330 | ||
331 | if (ext_setup) { | |
332 | wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup"); | |
333 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP; | |
334 | } | |
335 | } | |
336 | ||
337 | ||
4acdc48a JD |
338 | static int ext_feature_isset(const u8 *ext_features, int ext_features_len, |
339 | enum nl80211_ext_feature_index ftidx) | |
340 | { | |
341 | u8 ft_byte; | |
342 | ||
343 | if ((int) ftidx / 8 >= ext_features_len) | |
344 | return 0; | |
345 | ||
346 | ft_byte = ext_features[ftidx / 8]; | |
347 | return (ft_byte & BIT(ftidx % 8)) != 0; | |
348 | } | |
349 | ||
350 | ||
351 | static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info, | |
352 | struct nlattr *tb) | |
353 | { | |
354 | struct wpa_driver_capa *capa = info->capa; | |
355 | ||
356 | if (tb == NULL) | |
357 | return; | |
358 | ||
359 | if (ext_feature_isset(nla_data(tb), nla_len(tb), | |
360 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
361 | capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS; | |
362 | } | |
363 | ||
364 | ||
0fafeb54 JM |
365 | static void wiphy_info_feature_flags(struct wiphy_info_data *info, |
366 | struct nlattr *tb) | |
367 | { | |
368 | u32 flags; | |
369 | struct wpa_driver_capa *capa = info->capa; | |
370 | ||
371 | if (tb == NULL) | |
372 | return; | |
373 | ||
374 | flags = nla_get_u32(tb); | |
375 | ||
376 | if (flags & NL80211_FEATURE_SK_TX_STATUS) | |
377 | info->data_tx_status = 1; | |
378 | ||
379 | if (flags & NL80211_FEATURE_INACTIVITY_TIMER) | |
380 | capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; | |
381 | ||
382 | if (flags & NL80211_FEATURE_SAE) | |
383 | capa->flags |= WPA_DRIVER_FLAGS_SAE; | |
384 | ||
385 | if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) | |
386 | capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; | |
387 | ||
388 | if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE) | |
389 | capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX; | |
390 | ||
4daa5729 AN |
391 | if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) { |
392 | wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch"); | |
393 | capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH; | |
394 | } | |
395 | ||
abb8d08b EP |
396 | if (flags & NL80211_FEATURE_P2P_GO_CTWIN) |
397 | info->p2p_go_ctwindow_supported = 1; | |
398 | ||
0fafeb54 JM |
399 | if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN) |
400 | info->have_low_prio_scan = 1; | |
401 | ||
86056fea IP |
402 | if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR) |
403 | info->mac_addr_rand_scan_supported = 1; | |
404 | ||
405 | if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR) | |
406 | info->mac_addr_rand_sched_scan_supported = 1; | |
407 | ||
0fafeb54 JM |
408 | if (flags & NL80211_FEATURE_STATIC_SMPS) |
409 | capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC; | |
410 | ||
411 | if (flags & NL80211_FEATURE_DYNAMIC_SMPS) | |
412 | capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC; | |
dfa87878 MB |
413 | |
414 | if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
415 | info->wmm_ac_supported = 1; | |
58162adf AK |
416 | |
417 | if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) | |
418 | capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES; | |
419 | ||
420 | if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES) | |
421 | capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES; | |
422 | ||
423 | if (flags & NL80211_FEATURE_QUIET) | |
424 | capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET; | |
425 | ||
426 | if (flags & NL80211_FEATURE_TX_POWER_INSERTION) | |
427 | capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION; | |
1830817e JD |
428 | |
429 | if (flags & NL80211_FEATURE_HT_IBSS) | |
430 | capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS; | |
0fafeb54 JM |
431 | } |
432 | ||
433 | ||
434 | static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa, | |
435 | struct nlattr *tb) | |
436 | { | |
437 | u32 protocols; | |
438 | ||
439 | if (tb == NULL) | |
440 | return; | |
441 | ||
442 | protocols = nla_get_u32(tb); | |
443 | wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP " | |
444 | "mode"); | |
445 | capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; | |
446 | capa->probe_resp_offloads = probe_resp_offload_support(protocols); | |
447 | } | |
448 | ||
449 | ||
450 | static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa, | |
451 | struct nlattr *tb) | |
452 | { | |
453 | struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1]; | |
454 | ||
455 | if (tb == NULL) | |
456 | return; | |
457 | ||
458 | if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG, | |
459 | tb, NULL)) | |
460 | return; | |
461 | ||
462 | if (triggers[NL80211_WOWLAN_TRIG_ANY]) | |
463 | capa->wowlan_triggers.any = 1; | |
464 | if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT]) | |
465 | capa->wowlan_triggers.disconnect = 1; | |
466 | if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT]) | |
467 | capa->wowlan_triggers.magic_pkt = 1; | |
468 | if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) | |
469 | capa->wowlan_triggers.gtk_rekey_failure = 1; | |
470 | if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) | |
471 | capa->wowlan_triggers.eap_identity_req = 1; | |
472 | if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) | |
473 | capa->wowlan_triggers.four_way_handshake = 1; | |
474 | if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) | |
475 | capa->wowlan_triggers.rfkill_release = 1; | |
476 | } | |
477 | ||
478 | ||
479 | static int wiphy_info_handler(struct nl_msg *msg, void *arg) | |
480 | { | |
481 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
482 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
483 | struct wiphy_info_data *info = arg; | |
484 | struct wpa_driver_capa *capa = info->capa; | |
485 | struct wpa_driver_nl80211_data *drv = info->drv; | |
486 | ||
487 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
488 | genlmsg_attrlen(gnlh, 0), NULL); | |
489 | ||
490 | if (tb[NL80211_ATTR_WIPHY_NAME]) | |
491 | os_strlcpy(drv->phyname, | |
492 | nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]), | |
493 | sizeof(drv->phyname)); | |
494 | if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) | |
495 | capa->max_scan_ssids = | |
496 | nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); | |
497 | ||
498 | if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) | |
499 | capa->max_sched_scan_ssids = | |
500 | nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); | |
501 | ||
502 | if (tb[NL80211_ATTR_MAX_MATCH_SETS]) | |
503 | capa->max_match_sets = | |
504 | nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); | |
505 | ||
506 | if (tb[NL80211_ATTR_MAC_ACL_MAX]) | |
507 | capa->max_acl_mac_addrs = | |
508 | nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]); | |
509 | ||
510 | wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]); | |
511 | wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]); | |
512 | wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]); | |
513 | wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]); | |
514 | ||
515 | if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { | |
516 | wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " | |
517 | "off-channel TX"); | |
518 | capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; | |
519 | } | |
520 | ||
521 | if (tb[NL80211_ATTR_ROAM_SUPPORT]) { | |
522 | wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); | |
523 | capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; | |
524 | } | |
525 | ||
526 | wiphy_info_max_roc(capa, | |
527 | tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); | |
528 | ||
529 | if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) | |
530 | capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; | |
531 | ||
532 | wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT], | |
533 | tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]); | |
534 | ||
535 | if (tb[NL80211_ATTR_DEVICE_AP_SME]) | |
536 | info->device_ap_sme = 1; | |
537 | ||
538 | wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]); | |
4acdc48a | 539 | wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]); |
0fafeb54 JM |
540 | wiphy_info_probe_resp_offload(capa, |
541 | tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); | |
542 | ||
543 | if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] && | |
544 | drv->extended_capa == NULL) { | |
545 | drv->extended_capa = | |
546 | os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
547 | if (drv->extended_capa) { | |
548 | os_memcpy(drv->extended_capa, | |
549 | nla_data(tb[NL80211_ATTR_EXT_CAPA]), | |
550 | nla_len(tb[NL80211_ATTR_EXT_CAPA])); | |
551 | drv->extended_capa_len = | |
552 | nla_len(tb[NL80211_ATTR_EXT_CAPA]); | |
553 | } | |
554 | drv->extended_capa_mask = | |
7b7b4449 | 555 | os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); |
0fafeb54 JM |
556 | if (drv->extended_capa_mask) { |
557 | os_memcpy(drv->extended_capa_mask, | |
7b7b4449 LC |
558 | nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]), |
559 | nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK])); | |
0fafeb54 JM |
560 | } else { |
561 | os_free(drv->extended_capa); | |
562 | drv->extended_capa = NULL; | |
563 | drv->extended_capa_len = 0; | |
564 | } | |
565 | } | |
566 | ||
567 | if (tb[NL80211_ATTR_VENDOR_DATA]) { | |
568 | struct nlattr *nl; | |
569 | int rem; | |
570 | ||
571 | nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) { | |
572 | struct nl80211_vendor_cmd_info *vinfo; | |
573 | if (nla_len(nl) != sizeof(*vinfo)) { | |
574 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); | |
575 | continue; | |
576 | } | |
577 | vinfo = nla_data(nl); | |
5f9c92f8 ZK |
578 | if (vinfo->vendor_id == OUI_QCA) { |
579 | switch (vinfo->subcmd) { | |
580 | case QCA_NL80211_VENDOR_SUBCMD_TEST: | |
581 | drv->vendor_cmd_test_avail = 1; | |
582 | break; | |
583 | case QCA_NL80211_VENDOR_SUBCMD_ROAMING: | |
584 | drv->roaming_vendor_cmd_avail = 1; | |
585 | break; | |
586 | case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: | |
587 | drv->dfs_vendor_cmd_avail = 1; | |
588 | break; | |
589 | case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES: | |
590 | drv->get_features_vendor_cmd_avail = 1; | |
591 | break; | |
592 | case QCA_NL80211_VENDOR_SUBCMD_DO_ACS: | |
593 | drv->capa.flags |= | |
594 | WPA_DRIVER_FLAGS_ACS_OFFLOAD; | |
595 | break; | |
844dfeb8 SD |
596 | case QCA_NL80211_VENDOR_SUBCMD_SETBAND: |
597 | drv->setband_vendor_cmd_avail = 1; | |
598 | break; | |
5f9c92f8 | 599 | } |
0fafeb54 JM |
600 | } |
601 | ||
602 | wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u", | |
603 | vinfo->vendor_id, vinfo->subcmd); | |
604 | } | |
605 | } | |
606 | ||
607 | if (tb[NL80211_ATTR_VENDOR_EVENTS]) { | |
608 | struct nlattr *nl; | |
609 | int rem; | |
610 | ||
611 | nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) { | |
612 | struct nl80211_vendor_cmd_info *vinfo; | |
613 | if (nla_len(nl) != sizeof(*vinfo)) { | |
614 | wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info"); | |
615 | continue; | |
616 | } | |
617 | vinfo = nla_data(nl); | |
0fafeb54 JM |
618 | wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u", |
619 | vinfo->vendor_id, vinfo->subcmd); | |
620 | } | |
621 | } | |
622 | ||
623 | wiphy_info_wowlan_triggers(capa, | |
624 | tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]); | |
625 | ||
626 | if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA]) | |
627 | capa->max_stations = | |
628 | nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]); | |
629 | ||
630 | return NL_SKIP; | |
631 | } | |
632 | ||
633 | ||
634 | static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, | |
635 | struct wiphy_info_data *info) | |
636 | { | |
637 | u32 feat; | |
638 | struct nl_msg *msg; | |
9589a91e | 639 | int flags = 0; |
0fafeb54 JM |
640 | |
641 | os_memset(info, 0, sizeof(*info)); | |
642 | info->capa = &drv->capa; | |
643 | info->drv = drv; | |
644 | ||
0fafeb54 JM |
645 | feat = get_nl80211_protocol_features(drv); |
646 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) | |
9589a91e | 647 | flags = NLM_F_DUMP; |
56f77852 JM |
648 | msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY); |
649 | if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { | |
9589a91e JM |
650 | nlmsg_free(msg); |
651 | return -1; | |
652 | } | |
0fafeb54 JM |
653 | |
654 | if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info)) | |
655 | return -1; | |
656 | ||
657 | if (info->auth_supported) | |
658 | drv->capa.flags |= WPA_DRIVER_FLAGS_SME; | |
659 | else if (!info->connect_supported) { | |
660 | wpa_printf(MSG_INFO, "nl80211: Driver does not support " | |
661 | "authentication/association or connect commands"); | |
662 | info->error = 1; | |
663 | } | |
664 | ||
665 | if (info->p2p_go_supported && info->p2p_client_supported) | |
666 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; | |
667 | if (info->p2p_concurrent) { | |
668 | wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " | |
669 | "interface (driver advertised support)"); | |
670 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; | |
671 | drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; | |
672 | } | |
673 | if (info->num_multichan_concurrent > 1) { | |
674 | wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " | |
675 | "concurrent (driver advertised support)"); | |
676 | drv->capa.num_multichan_concurrent = | |
677 | info->num_multichan_concurrent; | |
678 | } | |
679 | if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) | |
680 | wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support"); | |
681 | ||
682 | /* default to 5000 since early versions of mac80211 don't set it */ | |
683 | if (!drv->capa.max_remain_on_chan) | |
684 | drv->capa.max_remain_on_chan = 5000; | |
685 | ||
686 | if (info->channel_switch_supported) | |
687 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA; | |
dfa87878 | 688 | drv->capa.wmm_ac_supported = info->wmm_ac_supported; |
0fafeb54 | 689 | |
86056fea IP |
690 | drv->capa.mac_addr_rand_sched_scan_supported = |
691 | info->mac_addr_rand_sched_scan_supported; | |
692 | drv->capa.mac_addr_rand_scan_supported = | |
693 | info->mac_addr_rand_scan_supported; | |
694 | ||
0fafeb54 | 695 | return 0; |
0fafeb54 JM |
696 | } |
697 | ||
698 | ||
699 | static int dfs_info_handler(struct nl_msg *msg, void *arg) | |
700 | { | |
701 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
702 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
703 | int *dfs_capability_ptr = arg; | |
704 | ||
705 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
706 | genlmsg_attrlen(gnlh, 0), NULL); | |
707 | ||
708 | if (tb[NL80211_ATTR_VENDOR_DATA]) { | |
709 | struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; | |
710 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
711 | ||
712 | nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, | |
713 | nla_data(nl_vend), nla_len(nl_vend), NULL); | |
714 | ||
715 | if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) { | |
716 | u32 val; | |
717 | val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]); | |
718 | wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u", | |
719 | val); | |
720 | *dfs_capability_ptr = val; | |
721 | } | |
722 | } | |
723 | ||
724 | return NL_SKIP; | |
725 | } | |
726 | ||
727 | ||
728 | static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv) | |
729 | { | |
730 | struct nl_msg *msg; | |
731 | int dfs_capability = 0; | |
732 | int ret; | |
733 | ||
734 | if (!drv->dfs_vendor_cmd_avail) | |
735 | return; | |
736 | ||
9725b784 | 737 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || |
9589a91e JM |
738 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || |
739 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
740 | QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) { | |
741 | nlmsg_free(msg); | |
742 | return; | |
743 | } | |
0fafeb54 JM |
744 | |
745 | ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability); | |
746 | if (!ret && dfs_capability) | |
747 | drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD; | |
0fafeb54 JM |
748 | } |
749 | ||
750 | ||
15badebd CL |
751 | struct features_info { |
752 | u8 *flags; | |
753 | size_t flags_len; | |
754 | }; | |
755 | ||
756 | ||
757 | static int features_info_handler(struct nl_msg *msg, void *arg) | |
758 | { | |
759 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
760 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
761 | struct features_info *info = arg; | |
762 | struct nlattr *nl_vend, *attr; | |
763 | ||
764 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
765 | genlmsg_attrlen(gnlh, 0), NULL); | |
766 | ||
767 | nl_vend = tb[NL80211_ATTR_VENDOR_DATA]; | |
768 | if (nl_vend) { | |
769 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1]; | |
770 | ||
771 | nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX, | |
772 | nla_data(nl_vend), nla_len(nl_vend), NULL); | |
773 | ||
774 | attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS]; | |
775 | if (attr) { | |
776 | info->flags = nla_data(attr); | |
777 | info->flags_len = nla_len(attr); | |
778 | } | |
779 | } | |
780 | ||
781 | return NL_SKIP; | |
782 | } | |
783 | ||
784 | ||
785 | static int check_feature(enum qca_wlan_vendor_features feature, | |
786 | struct features_info *info) | |
787 | { | |
49e3eea8 | 788 | size_t idx = feature / 8; |
15badebd | 789 | |
49e3eea8 JM |
790 | return (idx < info->flags_len) && |
791 | (info->flags[idx] & BIT(feature % 8)); | |
15badebd CL |
792 | } |
793 | ||
794 | ||
795 | static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv) | |
796 | { | |
797 | struct nl_msg *msg; | |
798 | struct features_info info; | |
799 | int ret; | |
800 | ||
801 | if (!drv->get_features_vendor_cmd_avail) | |
802 | return; | |
803 | ||
804 | if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || | |
805 | nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || | |
806 | nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, | |
807 | QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) { | |
808 | nlmsg_free(msg); | |
809 | return; | |
810 | } | |
811 | ||
812 | os_memset(&info, 0, sizeof(info)); | |
813 | ret = send_and_recv_msgs(drv, msg, features_info_handler, &info); | |
814 | if (ret || !info.flags) | |
815 | return; | |
816 | ||
817 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info)) | |
818 | drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD; | |
3784c058 PX |
819 | |
820 | if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info)) | |
821 | drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY; | |
15badebd CL |
822 | } |
823 | ||
824 | ||
0fafeb54 JM |
825 | int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) |
826 | { | |
827 | struct wiphy_info_data info; | |
828 | if (wpa_driver_nl80211_get_info(drv, &info)) | |
829 | return -1; | |
830 | ||
831 | if (info.error) | |
832 | return -1; | |
833 | ||
834 | drv->has_capability = 1; | |
835 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
836 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
837 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
399e6135 JM |
838 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK | |
839 | WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B | | |
840 | WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192; | |
0fafeb54 JM |
841 | drv->capa.auth = WPA_DRIVER_AUTH_OPEN | |
842 | WPA_DRIVER_AUTH_SHARED | | |
843 | WPA_DRIVER_AUTH_LEAP; | |
844 | ||
845 | drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; | |
846 | drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; | |
847 | drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
848 | ||
849 | /* | |
850 | * As all cfg80211 drivers must support cases where the AP interface is | |
851 | * removed without the knowledge of wpa_supplicant/hostapd, e.g., in | |
852 | * case that the user space daemon has crashed, they must be able to | |
853 | * cleanup all stations and key entries in the AP tear down flow. Thus, | |
854 | * this flag can/should always be set for cfg80211 drivers. | |
855 | */ | |
856 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT; | |
857 | ||
858 | if (!info.device_ap_sme) { | |
859 | drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; | |
860 | ||
861 | /* | |
862 | * No AP SME is currently assumed to also indicate no AP MLME | |
863 | * in the driver/firmware. | |
864 | */ | |
865 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; | |
866 | } | |
867 | ||
868 | drv->device_ap_sme = info.device_ap_sme; | |
869 | drv->poll_command_supported = info.poll_command_supported; | |
870 | drv->data_tx_status = info.data_tx_status; | |
abb8d08b | 871 | drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported; |
0fafeb54 JM |
872 | if (info.set_qos_map_supported) |
873 | drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING; | |
874 | drv->have_low_prio_scan = info.have_low_prio_scan; | |
875 | ||
876 | /* | |
877 | * If poll command and tx status are supported, mac80211 is new enough | |
878 | * to have everything we need to not need monitor interfaces. | |
879 | */ | |
880 | drv->use_monitor = !info.poll_command_supported || !info.data_tx_status; | |
881 | ||
882 | if (drv->device_ap_sme && drv->use_monitor) { | |
883 | /* | |
884 | * Non-mac80211 drivers may not support monitor interface. | |
885 | * Make sure we do not get stuck with incorrect capability here | |
886 | * by explicitly testing this. | |
887 | */ | |
888 | if (!info.monitor_supported) { | |
889 | wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor " | |
890 | "with device_ap_sme since no monitor mode " | |
891 | "support detected"); | |
892 | drv->use_monitor = 0; | |
893 | } | |
894 | } | |
895 | ||
896 | /* | |
897 | * If we aren't going to use monitor interfaces, but the | |
898 | * driver doesn't support data TX status, we won't get TX | |
899 | * status for EAPOL frames. | |
900 | */ | |
901 | if (!drv->use_monitor && !info.data_tx_status) | |
902 | drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; | |
903 | ||
904 | qca_nl80211_check_dfs_capa(drv); | |
15badebd | 905 | qca_nl80211_get_features(drv); |
0fafeb54 JM |
906 | |
907 | return 0; | |
908 | } | |
909 | ||
910 | ||
911 | struct phy_info_arg { | |
912 | u16 *num_modes; | |
913 | struct hostapd_hw_modes *modes; | |
914 | int last_mode, last_chan_idx; | |
915 | }; | |
916 | ||
917 | static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa, | |
918 | struct nlattr *ampdu_factor, | |
919 | struct nlattr *ampdu_density, | |
920 | struct nlattr *mcs_set) | |
921 | { | |
922 | if (capa) | |
923 | mode->ht_capab = nla_get_u16(capa); | |
924 | ||
925 | if (ampdu_factor) | |
926 | mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03; | |
927 | ||
928 | if (ampdu_density) | |
929 | mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2; | |
930 | ||
931 | if (mcs_set && nla_len(mcs_set) >= 16) { | |
932 | u8 *mcs; | |
933 | mcs = nla_data(mcs_set); | |
934 | os_memcpy(mode->mcs_set, mcs, 16); | |
935 | } | |
936 | } | |
937 | ||
938 | ||
939 | static void phy_info_vht_capa(struct hostapd_hw_modes *mode, | |
940 | struct nlattr *capa, | |
941 | struct nlattr *mcs_set) | |
942 | { | |
943 | if (capa) | |
944 | mode->vht_capab = nla_get_u32(capa); | |
945 | ||
946 | if (mcs_set && nla_len(mcs_set) >= 8) { | |
947 | u8 *mcs; | |
948 | mcs = nla_data(mcs_set); | |
949 | os_memcpy(mode->vht_mcs_set, mcs, 8); | |
950 | } | |
951 | } | |
952 | ||
953 | ||
954 | static void phy_info_freq(struct hostapd_hw_modes *mode, | |
955 | struct hostapd_channel_data *chan, | |
956 | struct nlattr *tb_freq[]) | |
957 | { | |
958 | u8 channel; | |
959 | chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); | |
960 | chan->flag = 0; | |
961 | chan->dfs_cac_ms = 0; | |
962 | if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES) | |
963 | chan->chan = channel; | |
964 | ||
965 | if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) | |
966 | chan->flag |= HOSTAPD_CHAN_DISABLED; | |
967 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR]) | |
968 | chan->flag |= HOSTAPD_CHAN_NO_IR; | |
969 | if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) | |
970 | chan->flag |= HOSTAPD_CHAN_RADAR; | |
971 | if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY]) | |
972 | chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY; | |
973 | if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT]) | |
974 | chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT; | |
975 | ||
976 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { | |
977 | enum nl80211_dfs_state state = | |
978 | nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); | |
979 | ||
980 | switch (state) { | |
981 | case NL80211_DFS_USABLE: | |
982 | chan->flag |= HOSTAPD_CHAN_DFS_USABLE; | |
983 | break; | |
984 | case NL80211_DFS_AVAILABLE: | |
985 | chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE; | |
986 | break; | |
987 | case NL80211_DFS_UNAVAILABLE: | |
988 | chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE; | |
989 | break; | |
990 | } | |
991 | } | |
992 | ||
993 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) { | |
994 | chan->dfs_cac_ms = nla_get_u32( | |
995 | tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]); | |
996 | } | |
997 | } | |
998 | ||
999 | ||
1000 | static int phy_info_freqs(struct phy_info_arg *phy_info, | |
1001 | struct hostapd_hw_modes *mode, struct nlattr *tb) | |
1002 | { | |
1003 | static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { | |
1004 | [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, | |
1005 | [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, | |
1006 | [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, | |
1007 | [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, | |
1008 | [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, | |
1009 | [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 }, | |
1010 | }; | |
1011 | int new_channels = 0; | |
1012 | struct hostapd_channel_data *channel; | |
1013 | struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
1014 | struct nlattr *nl_freq; | |
1015 | int rem_freq, idx; | |
1016 | ||
1017 | if (tb == NULL) | |
1018 | return NL_OK; | |
1019 | ||
1020 | nla_for_each_nested(nl_freq, tb, rem_freq) { | |
1021 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, | |
1022 | nla_data(nl_freq), nla_len(nl_freq), freq_policy); | |
1023 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
1024 | continue; | |
1025 | new_channels++; | |
1026 | } | |
1027 | ||
1028 | channel = os_realloc_array(mode->channels, | |
1029 | mode->num_channels + new_channels, | |
1030 | sizeof(struct hostapd_channel_data)); | |
1031 | if (!channel) | |
1032 | return NL_SKIP; | |
1033 | ||
1034 | mode->channels = channel; | |
1035 | mode->num_channels += new_channels; | |
1036 | ||
1037 | idx = phy_info->last_chan_idx; | |
1038 | ||
1039 | nla_for_each_nested(nl_freq, tb, rem_freq) { | |
1040 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, | |
1041 | nla_data(nl_freq), nla_len(nl_freq), freq_policy); | |
1042 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
1043 | continue; | |
1044 | phy_info_freq(mode, &mode->channels[idx], tb_freq); | |
1045 | idx++; | |
1046 | } | |
1047 | phy_info->last_chan_idx = idx; | |
1048 | ||
1049 | return NL_OK; | |
1050 | } | |
1051 | ||
1052 | ||
1053 | static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb) | |
1054 | { | |
1055 | static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = { | |
1056 | [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 }, | |
1057 | [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = | |
1058 | { .type = NLA_FLAG }, | |
1059 | }; | |
1060 | struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1]; | |
1061 | struct nlattr *nl_rate; | |
1062 | int rem_rate, idx; | |
1063 | ||
1064 | if (tb == NULL) | |
1065 | return NL_OK; | |
1066 | ||
1067 | nla_for_each_nested(nl_rate, tb, rem_rate) { | |
1068 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, | |
1069 | nla_data(nl_rate), nla_len(nl_rate), | |
1070 | rate_policy); | |
1071 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
1072 | continue; | |
1073 | mode->num_rates++; | |
1074 | } | |
1075 | ||
1076 | mode->rates = os_calloc(mode->num_rates, sizeof(int)); | |
1077 | if (!mode->rates) | |
1078 | return NL_SKIP; | |
1079 | ||
1080 | idx = 0; | |
1081 | ||
1082 | nla_for_each_nested(nl_rate, tb, rem_rate) { | |
1083 | nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, | |
1084 | nla_data(nl_rate), nla_len(nl_rate), | |
1085 | rate_policy); | |
1086 | if (!tb_rate[NL80211_BITRATE_ATTR_RATE]) | |
1087 | continue; | |
1088 | mode->rates[idx] = nla_get_u32( | |
1089 | tb_rate[NL80211_BITRATE_ATTR_RATE]); | |
1090 | idx++; | |
1091 | } | |
1092 | ||
1093 | return NL_OK; | |
1094 | } | |
1095 | ||
1096 | ||
1097 | static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band) | |
1098 | { | |
1099 | struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; | |
1100 | struct hostapd_hw_modes *mode; | |
1101 | int ret; | |
1102 | ||
1103 | if (phy_info->last_mode != nl_band->nla_type) { | |
1104 | mode = os_realloc_array(phy_info->modes, | |
1105 | *phy_info->num_modes + 1, | |
1106 | sizeof(*mode)); | |
1107 | if (!mode) | |
1108 | return NL_SKIP; | |
1109 | phy_info->modes = mode; | |
1110 | ||
1111 | mode = &phy_info->modes[*(phy_info->num_modes)]; | |
1112 | os_memset(mode, 0, sizeof(*mode)); | |
1113 | mode->mode = NUM_HOSTAPD_MODES; | |
1114 | mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN | | |
1115 | HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN; | |
1116 | ||
1117 | /* | |
1118 | * Unsupported VHT MCS stream is defined as value 3, so the VHT | |
1119 | * MCS RX/TX map must be initialized with 0xffff to mark all 8 | |
1120 | * possible streams as unsupported. This will be overridden if | |
1121 | * driver advertises VHT support. | |
1122 | */ | |
1123 | mode->vht_mcs_set[0] = 0xff; | |
1124 | mode->vht_mcs_set[1] = 0xff; | |
1125 | mode->vht_mcs_set[4] = 0xff; | |
1126 | mode->vht_mcs_set[5] = 0xff; | |
1127 | ||
1128 | *(phy_info->num_modes) += 1; | |
1129 | phy_info->last_mode = nl_band->nla_type; | |
1130 | phy_info->last_chan_idx = 0; | |
1131 | } else | |
1132 | mode = &phy_info->modes[*(phy_info->num_modes) - 1]; | |
1133 | ||
1134 | nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), | |
1135 | nla_len(nl_band), NULL); | |
1136 | ||
1137 | phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA], | |
1138 | tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR], | |
1139 | tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY], | |
1140 | tb_band[NL80211_BAND_ATTR_HT_MCS_SET]); | |
1141 | phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA], | |
1142 | tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); | |
1143 | ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]); | |
1144 | if (ret != NL_OK) | |
1145 | return ret; | |
1146 | ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]); | |
1147 | if (ret != NL_OK) | |
1148 | return ret; | |
1149 | ||
1150 | return NL_OK; | |
1151 | } | |
1152 | ||
1153 | ||
1154 | static int phy_info_handler(struct nl_msg *msg, void *arg) | |
1155 | { | |
1156 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
1157 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1158 | struct phy_info_arg *phy_info = arg; | |
1159 | struct nlattr *nl_band; | |
1160 | int rem_band; | |
1161 | ||
1162 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1163 | genlmsg_attrlen(gnlh, 0), NULL); | |
1164 | ||
1165 | if (!tb_msg[NL80211_ATTR_WIPHY_BANDS]) | |
1166 | return NL_SKIP; | |
1167 | ||
1168 | nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) | |
1169 | { | |
1170 | int res = phy_info_band(phy_info, nl_band); | |
1171 | if (res != NL_OK) | |
1172 | return res; | |
1173 | } | |
1174 | ||
1175 | return NL_SKIP; | |
1176 | } | |
1177 | ||
1178 | ||
1179 | static struct hostapd_hw_modes * | |
1180 | wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes, | |
1181 | u16 *num_modes) | |
1182 | { | |
1183 | u16 m; | |
1184 | struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode; | |
1185 | int i, mode11g_idx = -1; | |
1186 | ||
1187 | /* heuristic to set up modes */ | |
1188 | for (m = 0; m < *num_modes; m++) { | |
1189 | if (!modes[m].num_channels) | |
1190 | continue; | |
1191 | if (modes[m].channels[0].freq < 4000) { | |
1192 | modes[m].mode = HOSTAPD_MODE_IEEE80211B; | |
1193 | for (i = 0; i < modes[m].num_rates; i++) { | |
1194 | if (modes[m].rates[i] > 200) { | |
1195 | modes[m].mode = HOSTAPD_MODE_IEEE80211G; | |
1196 | break; | |
1197 | } | |
1198 | } | |
1199 | } else if (modes[m].channels[0].freq > 50000) | |
1200 | modes[m].mode = HOSTAPD_MODE_IEEE80211AD; | |
1201 | else | |
1202 | modes[m].mode = HOSTAPD_MODE_IEEE80211A; | |
1203 | } | |
1204 | ||
1205 | /* If only 802.11g mode is included, use it to construct matching | |
1206 | * 802.11b mode data. */ | |
1207 | ||
1208 | for (m = 0; m < *num_modes; m++) { | |
1209 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B) | |
1210 | return modes; /* 802.11b already included */ | |
1211 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211G) | |
1212 | mode11g_idx = m; | |
1213 | } | |
1214 | ||
1215 | if (mode11g_idx < 0) | |
1216 | return modes; /* 2.4 GHz band not supported at all */ | |
1217 | ||
1218 | nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); | |
1219 | if (nmodes == NULL) | |
1220 | return modes; /* Could not add 802.11b mode */ | |
1221 | ||
1222 | mode = &nmodes[*num_modes]; | |
1223 | os_memset(mode, 0, sizeof(*mode)); | |
1224 | (*num_modes)++; | |
1225 | modes = nmodes; | |
1226 | ||
1227 | mode->mode = HOSTAPD_MODE_IEEE80211B; | |
1228 | ||
1229 | mode11g = &modes[mode11g_idx]; | |
1230 | mode->num_channels = mode11g->num_channels; | |
1231 | mode->channels = os_malloc(mode11g->num_channels * | |
1232 | sizeof(struct hostapd_channel_data)); | |
1233 | if (mode->channels == NULL) { | |
1234 | (*num_modes)--; | |
1235 | return modes; /* Could not add 802.11b mode */ | |
1236 | } | |
1237 | os_memcpy(mode->channels, mode11g->channels, | |
1238 | mode11g->num_channels * sizeof(struct hostapd_channel_data)); | |
1239 | ||
1240 | mode->num_rates = 0; | |
1241 | mode->rates = os_malloc(4 * sizeof(int)); | |
1242 | if (mode->rates == NULL) { | |
1243 | os_free(mode->channels); | |
1244 | (*num_modes)--; | |
1245 | return modes; /* Could not add 802.11b mode */ | |
1246 | } | |
1247 | ||
1248 | for (i = 0; i < mode11g->num_rates; i++) { | |
1249 | if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 && | |
1250 | mode11g->rates[i] != 55 && mode11g->rates[i] != 110) | |
1251 | continue; | |
1252 | mode->rates[mode->num_rates] = mode11g->rates[i]; | |
1253 | mode->num_rates++; | |
1254 | if (mode->num_rates == 4) | |
1255 | break; | |
1256 | } | |
1257 | ||
1258 | if (mode->num_rates == 0) { | |
1259 | os_free(mode->channels); | |
1260 | os_free(mode->rates); | |
1261 | (*num_modes)--; | |
1262 | return modes; /* No 802.11b rates */ | |
1263 | } | |
1264 | ||
1265 | wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g " | |
1266 | "information"); | |
1267 | ||
1268 | return modes; | |
1269 | } | |
1270 | ||
1271 | ||
1272 | static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, | |
1273 | int end) | |
1274 | { | |
1275 | int c; | |
1276 | ||
1277 | for (c = 0; c < mode->num_channels; c++) { | |
1278 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
1279 | if (chan->freq - 10 >= start && chan->freq + 10 <= end) | |
1280 | chan->flag |= HOSTAPD_CHAN_HT40; | |
1281 | } | |
1282 | } | |
1283 | ||
1284 | ||
1285 | static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, | |
1286 | int end) | |
1287 | { | |
1288 | int c; | |
1289 | ||
1290 | for (c = 0; c < mode->num_channels; c++) { | |
1291 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
1292 | if (!(chan->flag & HOSTAPD_CHAN_HT40)) | |
1293 | continue; | |
1294 | if (chan->freq - 30 >= start && chan->freq - 10 <= end) | |
1295 | chan->flag |= HOSTAPD_CHAN_HT40MINUS; | |
1296 | if (chan->freq + 10 >= start && chan->freq + 30 <= end) | |
1297 | chan->flag |= HOSTAPD_CHAN_HT40PLUS; | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | ||
1302 | static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp, | |
1303 | struct phy_info_arg *results) | |
1304 | { | |
1305 | u16 m; | |
1306 | ||
1307 | for (m = 0; m < *results->num_modes; m++) { | |
1308 | int c; | |
1309 | struct hostapd_hw_modes *mode = &results->modes[m]; | |
1310 | ||
1311 | for (c = 0; c < mode->num_channels; c++) { | |
1312 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
1313 | if ((u32) chan->freq - 10 >= start && | |
1314 | (u32) chan->freq + 10 <= end) | |
1315 | chan->max_tx_power = max_eirp; | |
1316 | } | |
1317 | } | |
1318 | } | |
1319 | ||
1320 | ||
1321 | static void nl80211_reg_rule_ht40(u32 start, u32 end, | |
1322 | struct phy_info_arg *results) | |
1323 | { | |
1324 | u16 m; | |
1325 | ||
1326 | for (m = 0; m < *results->num_modes; m++) { | |
1327 | if (!(results->modes[m].ht_capab & | |
1328 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
1329 | continue; | |
1330 | nl80211_set_ht40_mode(&results->modes[m], start, end); | |
1331 | } | |
1332 | } | |
1333 | ||
1334 | ||
1335 | static void nl80211_reg_rule_sec(struct nlattr *tb[], | |
1336 | struct phy_info_arg *results) | |
1337 | { | |
1338 | u32 start, end, max_bw; | |
1339 | u16 m; | |
1340 | ||
1341 | if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
1342 | tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || | |
1343 | tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) | |
1344 | return; | |
1345 | ||
1346 | start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
1347 | end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
1348 | max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
1349 | ||
1350 | if (max_bw < 20) | |
1351 | return; | |
1352 | ||
1353 | for (m = 0; m < *results->num_modes; m++) { | |
1354 | if (!(results->modes[m].ht_capab & | |
1355 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
1356 | continue; | |
1357 | nl80211_set_ht40_mode_sec(&results->modes[m], start, end); | |
1358 | } | |
1359 | } | |
1360 | ||
1361 | ||
1362 | static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start, | |
1363 | int end) | |
1364 | { | |
1365 | int c; | |
1366 | ||
1367 | for (c = 0; c < mode->num_channels; c++) { | |
1368 | struct hostapd_channel_data *chan = &mode->channels[c]; | |
1369 | if (chan->freq - 10 >= start && chan->freq + 70 <= end) | |
1370 | chan->flag |= HOSTAPD_CHAN_VHT_10_70; | |
1371 | ||
1372 | if (chan->freq - 30 >= start && chan->freq + 50 <= end) | |
1373 | chan->flag |= HOSTAPD_CHAN_VHT_30_50; | |
1374 | ||
1375 | if (chan->freq - 50 >= start && chan->freq + 30 <= end) | |
1376 | chan->flag |= HOSTAPD_CHAN_VHT_50_30; | |
1377 | ||
1378 | if (chan->freq - 70 >= start && chan->freq + 10 <= end) | |
1379 | chan->flag |= HOSTAPD_CHAN_VHT_70_10; | |
1380 | } | |
1381 | } | |
1382 | ||
1383 | ||
1384 | static void nl80211_reg_rule_vht(struct nlattr *tb[], | |
1385 | struct phy_info_arg *results) | |
1386 | { | |
1387 | u32 start, end, max_bw; | |
1388 | u16 m; | |
1389 | ||
1390 | if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
1391 | tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || | |
1392 | tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) | |
1393 | return; | |
1394 | ||
1395 | start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
1396 | end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
1397 | max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
1398 | ||
1399 | if (max_bw < 80) | |
1400 | return; | |
1401 | ||
1402 | for (m = 0; m < *results->num_modes; m++) { | |
1403 | if (!(results->modes[m].ht_capab & | |
1404 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) | |
1405 | continue; | |
1406 | /* TODO: use a real VHT support indication */ | |
1407 | if (!results->modes[m].vht_capab) | |
1408 | continue; | |
1409 | ||
1410 | nl80211_set_vht_mode(&results->modes[m], start, end); | |
1411 | } | |
1412 | } | |
1413 | ||
1414 | ||
1415 | static const char * dfs_domain_name(enum nl80211_dfs_regions region) | |
1416 | { | |
1417 | switch (region) { | |
1418 | case NL80211_DFS_UNSET: | |
1419 | return "DFS-UNSET"; | |
1420 | case NL80211_DFS_FCC: | |
1421 | return "DFS-FCC"; | |
1422 | case NL80211_DFS_ETSI: | |
1423 | return "DFS-ETSI"; | |
1424 | case NL80211_DFS_JP: | |
1425 | return "DFS-JP"; | |
1426 | default: | |
1427 | return "DFS-invalid"; | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | ||
1432 | static int nl80211_get_reg(struct nl_msg *msg, void *arg) | |
1433 | { | |
1434 | struct phy_info_arg *results = arg; | |
1435 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
1436 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
1437 | struct nlattr *nl_rule; | |
1438 | struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
1439 | int rem_rule; | |
1440 | static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { | |
1441 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
1442 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
1443 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
1444 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
1445 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
1446 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
1447 | }; | |
1448 | ||
1449 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
1450 | genlmsg_attrlen(gnlh, 0), NULL); | |
1451 | if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || | |
1452 | !tb_msg[NL80211_ATTR_REG_RULES]) { | |
1453 | wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " | |
1454 | "available"); | |
1455 | return NL_SKIP; | |
1456 | } | |
1457 | ||
1458 | if (tb_msg[NL80211_ATTR_DFS_REGION]) { | |
1459 | enum nl80211_dfs_regions dfs_domain; | |
1460 | dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]); | |
1461 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)", | |
1462 | (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), | |
1463 | dfs_domain_name(dfs_domain)); | |
1464 | } else { | |
1465 | wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", | |
1466 | (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); | |
1467 | } | |
1468 | ||
1469 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
1470 | { | |
1471 | u32 start, end, max_eirp = 0, max_bw = 0, flags = 0; | |
1472 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
1473 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
1474 | if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL || | |
1475 | tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL) | |
1476 | continue; | |
1477 | start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000; | |
1478 | end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000; | |
1479 | if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
1480 | max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100; | |
1481 | if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
1482 | max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; | |
1483 | if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS]) | |
1484 | flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]); | |
1485 | ||
1486 | wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s", | |
1487 | start, end, max_bw, max_eirp, | |
1488 | flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "", | |
1489 | flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "", | |
1490 | flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "", | |
1491 | flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" : | |
1492 | "", | |
1493 | flags & NL80211_RRF_DFS ? " (DFS)" : "", | |
1494 | flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "", | |
1495 | flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "", | |
1496 | flags & NL80211_RRF_NO_IR ? " (no IR)" : ""); | |
1497 | if (max_bw >= 40) | |
1498 | nl80211_reg_rule_ht40(start, end, results); | |
1499 | if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
1500 | nl80211_reg_rule_max_eirp(start, end, max_eirp, | |
1501 | results); | |
1502 | } | |
1503 | ||
1504 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
1505 | { | |
1506 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
1507 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
1508 | nl80211_reg_rule_sec(tb_rule, results); | |
1509 | } | |
1510 | ||
1511 | nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) | |
1512 | { | |
1513 | nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, | |
1514 | nla_data(nl_rule), nla_len(nl_rule), reg_policy); | |
1515 | nl80211_reg_rule_vht(tb_rule, results); | |
1516 | } | |
1517 | ||
1518 | return NL_SKIP; | |
1519 | } | |
1520 | ||
1521 | ||
1522 | static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv, | |
1523 | struct phy_info_arg *results) | |
1524 | { | |
1525 | struct nl_msg *msg; | |
1526 | ||
1527 | msg = nlmsg_alloc(); | |
1528 | if (!msg) | |
1529 | return -ENOMEM; | |
1530 | ||
1531 | nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); | |
1532 | return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); | |
1533 | } | |
1534 | ||
1535 | ||
1536 | struct hostapd_hw_modes * | |
1537 | nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags) | |
1538 | { | |
1539 | u32 feat; | |
1540 | struct i802_bss *bss = priv; | |
1541 | struct wpa_driver_nl80211_data *drv = bss->drv; | |
9589a91e | 1542 | int nl_flags = 0; |
0fafeb54 JM |
1543 | struct nl_msg *msg; |
1544 | struct phy_info_arg result = { | |
1545 | .num_modes = num_modes, | |
1546 | .modes = NULL, | |
1547 | .last_mode = -1, | |
1548 | }; | |
1549 | ||
1550 | *num_modes = 0; | |
1551 | *flags = 0; | |
1552 | ||
0fafeb54 JM |
1553 | feat = get_nl80211_protocol_features(drv); |
1554 | if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP) | |
9589a91e | 1555 | nl_flags = NLM_F_DUMP; |
56f77852 JM |
1556 | if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) || |
1557 | nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) { | |
9589a91e JM |
1558 | nlmsg_free(msg); |
1559 | return NULL; | |
1560 | } | |
0fafeb54 JM |
1561 | |
1562 | if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { | |
1563 | nl80211_set_regulatory_flags(drv, &result); | |
1564 | return wpa_driver_nl80211_postprocess_modes(result.modes, | |
1565 | num_modes); | |
1566 | } | |
9589a91e | 1567 | |
0fafeb54 JM |
1568 | return NULL; |
1569 | } |