src/ap/ap_drv_ops.c

   1 /*
   2  * hostapd - Driver operations
   3  * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "common/ieee802_11_defs.h"
  13 #include "common/hw_features_common.h"
  14 #include "wps/wps.h"
  15 #include "p2p/p2p.h"
  16 #include "hostapd.h"
  17 #include "ieee802_11.h"
  18 #include "sta_info.h"
  19 #include "ap_config.h"
  20 #include "p2p_hostapd.h"
  21 #include "hs20.h"
  22 #include "wpa_auth.h"
  23 #include "ap_drv_ops.h"
  24
  25
  26 u32 hostapd_sta_flags_to_drv(u32 flags)
  27 {
  28         int res = 0;
  29         if (flags & WLAN_STA_AUTHORIZED)
  30                 res |= WPA_STA_AUTHORIZED;
  31         if (flags & WLAN_STA_WMM)
  32                 res |= WPA_STA_WMM;
  33         if (flags & WLAN_STA_SHORT_PREAMBLE)
  34                 res |= WPA_STA_SHORT_PREAMBLE;
  35         if (flags & WLAN_STA_MFP)
  36                 res |= WPA_STA_MFP;
  37         if (flags & WLAN_STA_AUTH)
  38                 res |= WPA_STA_AUTHENTICATED;
  39         if (flags & WLAN_STA_ASSOC)
  40                 res |= WPA_STA_ASSOCIATED;
  41         return res;
  42 }
  43
  44
  45 static int add_buf(struct wpabuf **dst, const struct wpabuf *src)
  46 {
  47         if (!src)
  48                 return 0;
  49         if (wpabuf_resize(dst, wpabuf_len(src)) != 0)
  50                 return -1;
  51         wpabuf_put_buf(*dst, src);
  52         return 0;
  53 }
  54
  55
  56 static int add_buf_data(struct wpabuf **dst, const u8 *data, size_t len)
  57 {
  58         if (!data || !len)
  59                 return 0;
  60         if (wpabuf_resize(dst, len) != 0)
  61                 return -1;
  62         wpabuf_put_data(*dst, data, len);
  63         return 0;
  64 }
  65
  66
  67 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
  68                                struct wpabuf **beacon_ret,
  69                                struct wpabuf **proberesp_ret,
  70                                struct wpabuf **assocresp_ret)
  71 {
  72         struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
  73         u8 buf[200], *pos;
  74
  75         *beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
  76
  77         pos = buf;
  78         pos = hostapd_eid_time_adv(hapd, pos);
  79         if (add_buf_data(&beacon, buf, pos - buf) < 0)
  80                 goto fail;
  81         pos = hostapd_eid_time_zone(hapd, pos);
  82         if (add_buf_data(&proberesp, buf, pos - buf) < 0)
  83                 goto fail;
  84
  85         pos = buf;
  86         pos = hostapd_eid_ext_capab(hapd, pos);
  87         if (add_buf_data(&assocresp, buf, pos - buf) < 0)
  88                 goto fail;
  89         pos = hostapd_eid_interworking(hapd, pos);
  90         pos = hostapd_eid_adv_proto(hapd, pos);
  91         pos = hostapd_eid_roaming_consortium(hapd, pos);
  92         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
  93             add_buf_data(&proberesp, buf, pos - buf) < 0)
  94                 goto fail;
  95
  96 #ifdef CONFIG_FST
  97         if (add_buf(&beacon, hapd->iface->fst_ies) < 0 ||
  98             add_buf(&proberesp, hapd->iface->fst_ies) < 0 ||
  99             add_buf(&assocresp, hapd->iface->fst_ies) < 0)
 100                 goto fail;
 101 #endif /* CONFIG_FST */
 102
 103 #ifdef CONFIG_FILS
 104         pos = hostapd_eid_fils_indic(hapd, buf, 0);
 105         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 106             add_buf_data(&proberesp, buf, pos - buf) < 0)
 107                 goto fail;
 108 #endif /* CONFIG_FILS */
 109
 110         if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 ||
 111             add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0)
 112                 goto fail;
 113
 114 #ifdef CONFIG_P2P
 115         if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 ||
 116             add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0)
 117                 goto fail;
 118 #endif /* CONFIG_P2P */
 119
 120 #ifdef CONFIG_P2P_MANAGER
 121         if (hapd->conf->p2p & P2P_MANAGE) {
 122                 if (wpabuf_resize(&beacon, 100) == 0) {
 123                         u8 *start, *p;
 124                         start = wpabuf_put(beacon, 0);
 125                         p = hostapd_eid_p2p_manage(hapd, start);
 126                         wpabuf_put(beacon, p - start);
 127                 }
 128
 129                 if (wpabuf_resize(&proberesp, 100) == 0) {
 130                         u8 *start, *p;
 131                         start = wpabuf_put(proberesp, 0);
 132                         p = hostapd_eid_p2p_manage(hapd, start);
 133                         wpabuf_put(proberesp, p - start);
 134                 }
 135         }
 136 #endif /* CONFIG_P2P_MANAGER */
 137
 138 #ifdef CONFIG_WPS
 139         if (hapd->conf->wps_state) {
 140                 struct wpabuf *a = wps_build_assoc_resp_ie();
 141                 add_buf(&assocresp, a);
 142                 wpabuf_free(a);
 143         }
 144 #endif /* CONFIG_WPS */
 145
 146 #ifdef CONFIG_P2P_MANAGER
 147         if (hapd->conf->p2p & P2P_MANAGE) {
 148                 if (wpabuf_resize(&assocresp, 100) == 0) {
 149                         u8 *start, *p;
 150                         start = wpabuf_put(assocresp, 0);
 151                         p = hostapd_eid_p2p_manage(hapd, start);
 152                         wpabuf_put(assocresp, p - start);
 153                 }
 154         }
 155 #endif /* CONFIG_P2P_MANAGER */
 156
 157 #ifdef CONFIG_WIFI_DISPLAY
 158         if (hapd->p2p_group) {
 159                 struct wpabuf *a;
 160                 a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
 161                 add_buf(&assocresp, a);
 162                 wpabuf_free(a);
 163         }
 164 #endif /* CONFIG_WIFI_DISPLAY */
 165
 166 #ifdef CONFIG_HS20
 167         pos = hostapd_eid_hs20_indication(hapd, buf);
 168         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 169             add_buf_data(&proberesp, buf, pos - buf) < 0)
 170                 goto fail;
 171
 172         pos = hostapd_eid_osen(hapd, buf);
 173         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 174             add_buf_data(&proberesp, buf, pos - buf) < 0)
 175                 goto fail;
 176 #endif /* CONFIG_HS20 */
 177
 178 #ifdef CONFIG_MBO
 179         if (hapd->conf->mbo_enabled ||
 180             OCE_STA_CFON_ENABLED(hapd) || OCE_AP_ENABLED(hapd)) {
 181                 pos = hostapd_eid_mbo(hapd, buf, sizeof(buf));
 182                 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 183                     add_buf_data(&proberesp, buf, pos - buf) < 0 ||
 184                     add_buf_data(&assocresp, buf, pos - buf) < 0)
 185                         goto fail;
 186         }
 187 #endif /* CONFIG_MBO */
 188
 189 #ifdef CONFIG_OWE
 190         pos = hostapd_eid_owe_trans(hapd, buf, sizeof(buf));
 191         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 192             add_buf_data(&proberesp, buf, pos - buf) < 0)
 193                 goto fail;
 194 #endif /* CONFIG_OWE */
 195
 196         add_buf(&beacon, hapd->conf->vendor_elements);
 197         add_buf(&proberesp, hapd->conf->vendor_elements);
 198         add_buf(&assocresp, hapd->conf->assocresp_elements);
 199
 200         *beacon_ret = beacon;
 201         *proberesp_ret = proberesp;
 202         *assocresp_ret = assocresp;
 203
 204         return 0;
 205
 206 fail:
 207         wpabuf_free(beacon);
 208         wpabuf_free(proberesp);
 209         wpabuf_free(assocresp);
 210         return -1;
 211 }
 212
 213
 214 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
 215                                struct wpabuf *beacon,
 216                                struct wpabuf *proberesp,
 217                                struct wpabuf *assocresp)
 218 {
 219         wpabuf_free(beacon);
 220         wpabuf_free(proberesp);
 221         wpabuf_free(assocresp);
 222 }
 223
 224
 225 int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
 226 {
 227         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 228                 return 0;
 229
 230         return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
 231 }
 232
 233
 234 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
 235 {
 236         struct wpabuf *beacon, *proberesp, *assocresp;
 237         int ret;
 238
 239         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 240                 return 0;
 241
 242         if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
 243             0)
 244                 return -1;
 245
 246         ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
 247                                           assocresp);
 248
 249         hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
 250
 251         return ret;
 252 }
 253
 254
 255 int hostapd_set_authorized(struct hostapd_data *hapd,
 256                            struct sta_info *sta, int authorized)
 257 {
 258         if (authorized) {
 259                 return hostapd_sta_set_flags(hapd, sta->addr,
 260                                              hostapd_sta_flags_to_drv(
 261                                                      sta->flags),
 262                                              WPA_STA_AUTHORIZED, ~0);
 263         }
 264
 265         return hostapd_sta_set_flags(hapd, sta->addr,
 266                                      hostapd_sta_flags_to_drv(sta->flags),
 267                                      0, ~WPA_STA_AUTHORIZED);
 268 }
 269
 270
 271 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
 272 {
 273         int set_flags, total_flags, flags_and, flags_or;
 274         total_flags = hostapd_sta_flags_to_drv(sta->flags);
 275         set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
 276         if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
 277              sta->auth_alg == WLAN_AUTH_FT) &&
 278             sta->flags & WLAN_STA_AUTHORIZED)
 279                 set_flags |= WPA_STA_AUTHORIZED;
 280         flags_or = total_flags & set_flags;
 281         flags_and = total_flags | ~set_flags;
 282         return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
 283                                      flags_or, flags_and);
 284 }
 285
 286
 287 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
 288                               int enabled)
 289 {
 290         struct wpa_bss_params params;
 291         os_memset(&params, 0, sizeof(params));
 292         params.ifname = ifname;
 293         params.enabled = enabled;
 294         if (enabled) {
 295                 params.wpa = hapd->conf->wpa;
 296                 params.ieee802_1x = hapd->conf->ieee802_1x;
 297                 params.wpa_group = hapd->conf->wpa_group;
 298                 if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
 299                     (WPA_PROTO_WPA | WPA_PROTO_RSN))
 300                         params.wpa_pairwise = hapd->conf->wpa_pairwise |
 301                                 hapd->conf->rsn_pairwise;
 302                 else if (hapd->conf->wpa & WPA_PROTO_RSN)
 303                         params.wpa_pairwise = hapd->conf->rsn_pairwise;
 304                 else if (hapd->conf->wpa & WPA_PROTO_WPA)
 305                         params.wpa_pairwise = hapd->conf->wpa_pairwise;
 306                 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
 307                 params.rsn_preauth = hapd->conf->rsn_preauth;
 308 #ifdef CONFIG_IEEE80211W
 309                 params.ieee80211w = hapd->conf->ieee80211w;
 310 #endif /* CONFIG_IEEE80211W */
 311         }
 312         return hostapd_set_ieee8021x(hapd, &params);
 313 }
 314
 315
 316 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
 317 {
 318         char force_ifname[IFNAMSIZ];
 319         u8 if_addr[ETH_ALEN];
 320         return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
 321                               NULL, NULL, force_ifname, if_addr, NULL, 0);
 322 }
 323
 324
 325 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
 326 {
 327         return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
 328 }
 329
 330
 331 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
 332                         const u8 *addr, int aid, int val)
 333 {
 334         const char *bridge = NULL;
 335
 336         if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
 337                 return -1;
 338         if (hapd->conf->wds_bridge[0])
 339                 bridge = hapd->conf->wds_bridge;
 340         else if (hapd->conf->bridge[0])
 341                 bridge = hapd->conf->bridge;
 342         return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
 343                                          bridge, ifname_wds);
 344 }
 345
 346
 347 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
 348                          u16 auth_alg)
 349 {
 350         if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
 351                 return 0;
 352         return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
 353 }
 354
 355
 356 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
 357                      u16 seq, u16 status, const u8 *ie, size_t len)
 358 {
 359         struct wpa_driver_sta_auth_params params;
 360 #ifdef CONFIG_FILS
 361         struct sta_info *sta;
 362 #endif /* CONFIG_FILS */
 363
 364         if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
 365                 return 0;
 366
 367         os_memset(&params, 0, sizeof(params));
 368
 369 #ifdef CONFIG_FILS
 370         sta = ap_get_sta(hapd, addr);
 371         if (!sta) {
 372                 wpa_printf(MSG_DEBUG, "Station " MACSTR
 373                            " not found for sta_auth processing",
 374                            MAC2STR(addr));
 375                 return 0;
 376         }
 377
 378         if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
 379             sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
 380             sta->auth_alg == WLAN_AUTH_FILS_PK) {
 381                 params.fils_auth = 1;
 382                 wpa_auth_get_fils_aead_params(sta->wpa_sm, params.fils_anonce,
 383                                               params.fils_snonce,
 384                                               params.fils_kek,
 385                                               &params.fils_kek_len);
 386         }
 387 #endif /* CONFIG_FILS */
 388
 389         params.own_addr = hapd->own_addr;
 390         params.addr = addr;
 391         params.seq = seq;
 392         params.status = status;
 393         params.ie = ie;
 394         params.len = len;
 395
 396         return hapd->driver->sta_auth(hapd->drv_priv, &params);
 397 }
 398
 399
 400 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
 401                       int reassoc, u16 status, const u8 *ie, size_t len)
 402 {
 403         if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
 404                 return 0;
 405         return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
 406                                        reassoc, status, ie, len);
 407 }
 408
 409
 410 int hostapd_sta_add(struct hostapd_data *hapd,
 411                     const u8 *addr, u16 aid, u16 capability,
 412                     const u8 *supp_rates, size_t supp_rates_len,
 413                     u16 listen_interval,
 414                     const struct ieee80211_ht_capabilities *ht_capab,
 415                     const struct ieee80211_vht_capabilities *vht_capab,
 416                     const struct ieee80211_he_capabilities *he_capab,
 417                     size_t he_capab_len,
 418                     u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
 419                     int set)
 420 {
 421         struct hostapd_sta_add_params params;
 422
 423         if (hapd->driver == NULL)
 424                 return 0;
 425         if (hapd->driver->sta_add == NULL)
 426                 return 0;
 427
 428         os_memset(&params, 0, sizeof(params));
 429         params.addr = addr;
 430         params.aid = aid;
 431         params.capability = capability;
 432         params.supp_rates = supp_rates;
 433         params.supp_rates_len = supp_rates_len;
 434         params.listen_interval = listen_interval;
 435         params.ht_capabilities = ht_capab;
 436         params.vht_capabilities = vht_capab;
 437         params.he_capab = he_capab;
 438         params.he_capab_len = he_capab_len;
 439         params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
 440         params.vht_opmode = vht_opmode;
 441         params.flags = hostapd_sta_flags_to_drv(flags);
 442         params.qosinfo = qosinfo;
 443         params.support_p2p_ps = supp_p2p_ps;
 444         params.set = set;
 445         return hapd->driver->sta_add(hapd->drv_priv, &params);
 446 }
 447
 448
 449 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
 450                       u8 *tspec_ie, size_t tspec_ielen)
 451 {
 452         if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
 453                 return 0;
 454         return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
 455                                        tspec_ielen);
 456 }
 457
 458
 459 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
 460 {
 461         if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
 462                 return 0;
 463         return hapd->driver->set_privacy(hapd->drv_priv, enabled);
 464 }
 465
 466
 467 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
 468                              size_t elem_len)
 469 {
 470         if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
 471                 return 0;
 472         return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
 473 }
 474
 475
 476 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
 477 {
 478         if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
 479                 return 0;
 480         return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
 481 }
 482
 483
 484 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
 485 {
 486         if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
 487                 return 0;
 488         return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
 489 }
 490
 491
 492 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 493                    const char *ifname, const u8 *addr, void *bss_ctx,
 494                    void **drv_priv, char *force_ifname, u8 *if_addr,
 495                    const char *bridge, int use_existing)
 496 {
 497         if (hapd->driver == NULL || hapd->driver->if_add == NULL)
 498                 return -1;
 499         return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
 500                                     bss_ctx, drv_priv, force_ifname, if_addr,
 501                                     bridge, use_existing, 1);
 502 }
 503
 504
 505 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 506                       const char *ifname)
 507 {
 508         if (hapd->driver == NULL || hapd->drv_priv == NULL ||
 509             hapd->driver->if_remove == NULL)
 510                 return -1;
 511         return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
 512 }
 513
 514
 515 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
 516                           struct wpa_bss_params *params)
 517 {
 518         if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
 519                 return 0;
 520         return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
 521 }
 522
 523
 524 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
 525                        const u8 *addr, int idx, u8 *seq)
 526 {
 527         if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
 528                 return 0;
 529         return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
 530                                         seq);
 531 }
 532
 533
 534 int hostapd_flush(struct hostapd_data *hapd)
 535 {
 536         if (hapd->driver == NULL || hapd->driver->flush == NULL)
 537                 return 0;
 538         return hapd->driver->flush(hapd->drv_priv);
 539 }
 540
 541
 542 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
 543                      int freq, int channel, int ht_enabled, int vht_enabled,
 544                      int he_enabled,
 545                      int sec_channel_offset, int oper_chwidth,
 546                      int center_segment0, int center_segment1)
 547 {
 548         struct hostapd_freq_params data;
 549
 550         if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
 551                                     vht_enabled, he_enabled, sec_channel_offset,
 552                                     oper_chwidth,
 553                                     center_segment0, center_segment1,
 554                                     hapd->iface->current_mode ?
 555                                     hapd->iface->current_mode->vht_capab : 0,
 556                                     &hapd->iface->current_mode->he_capab))
 557                 return -1;
 558
 559         if (hapd->driver == NULL)
 560                 return 0;
 561         if (hapd->driver->set_freq == NULL)
 562                 return 0;
 563         return hapd->driver->set_freq(hapd->drv_priv, &data);
 564 }
 565
 566 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
 567 {
 568         if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
 569                 return 0;
 570         return hapd->driver->set_rts(hapd->drv_priv, rts);
 571 }
 572
 573
 574 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
 575 {
 576         if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
 577                 return 0;
 578         return hapd->driver->set_frag(hapd->drv_priv, frag);
 579 }
 580
 581
 582 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 583                           int total_flags, int flags_or, int flags_and)
 584 {
 585         if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
 586                 return 0;
 587         return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
 588                                            flags_or, flags_and);
 589 }
 590
 591
 592 int hostapd_sta_set_airtime_weight(struct hostapd_data *hapd, const u8 *addr,
 593                                    unsigned int weight)
 594 {
 595         if (!hapd->driver || !hapd->driver->sta_set_airtime_weight)
 596                 return 0;
 597         return hapd->driver->sta_set_airtime_weight(hapd->drv_priv, addr,
 598                                                     weight);
 599 }
 600
 601
 602 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
 603 {
 604         if (hapd->driver == NULL ||
 605             hapd->driver->set_country == NULL)
 606                 return 0;
 607         return hapd->driver->set_country(hapd->drv_priv, country);
 608 }
 609
 610
 611 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 612                                 int cw_min, int cw_max, int burst_time)
 613 {
 614         if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
 615                 return 0;
 616         return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
 617                                                  cw_min, cw_max, burst_time);
 618 }
 619
 620
 621 struct hostapd_hw_modes *
 622 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 623                             u16 *flags, u8 *dfs_domain)
 624 {
 625         if (hapd->driver == NULL ||
 626             hapd->driver->get_hw_feature_data == NULL)
 627                 return NULL;
 628         return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
 629                                                  flags, dfs_domain);
 630 }
 631
 632
 633 int hostapd_driver_commit(struct hostapd_data *hapd)
 634 {
 635         if (hapd->driver == NULL || hapd->driver->commit == NULL)
 636                 return 0;
 637         return hapd->driver->commit(hapd->drv_priv);
 638 }
 639
 640
 641 int hostapd_drv_none(struct hostapd_data *hapd)
 642 {
 643         return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
 644 }
 645
 646
 647 int hostapd_driver_scan(struct hostapd_data *hapd,
 648                         struct wpa_driver_scan_params *params)
 649 {
 650         if (hapd->driver && hapd->driver->scan2)
 651                 return hapd->driver->scan2(hapd->drv_priv, params);
 652         return -1;
 653 }
 654
 655
 656 struct wpa_scan_results * hostapd_driver_get_scan_results(
 657         struct hostapd_data *hapd)
 658 {
 659         if (hapd->driver && hapd->driver->get_scan_results2)
 660                 return hapd->driver->get_scan_results2(hapd->drv_priv);
 661         return NULL;
 662 }
 663
 664
 665 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
 666                            int duration)
 667 {
 668         if (hapd->driver && hapd->driver->set_noa)
 669                 return hapd->driver->set_noa(hapd->drv_priv, count, start,
 670                                              duration);
 671         return -1;
 672 }
 673
 674
 675 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
 676                         enum wpa_alg alg, const u8 *addr,
 677                         int key_idx, int set_tx,
 678                         const u8 *seq, size_t seq_len,
 679                         const u8 *key, size_t key_len)
 680 {
 681         if (hapd->driver == NULL || hapd->driver->set_key == NULL)
 682                 return 0;
 683         return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
 684                                      key_idx, set_tx, seq, seq_len, key,
 685                                      key_len);
 686 }
 687
 688
 689 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
 690                           const void *msg, size_t len, int noack)
 691 {
 692         if (!hapd->driver || !hapd->driver->send_mlme || !hapd->drv_priv)
 693                 return 0;
 694         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
 695                                        NULL, 0);
 696 }
 697
 698
 699 int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
 700                               const void *msg, size_t len, int noack,
 701                               const u16 *csa_offs, size_t csa_offs_len)
 702 {
 703         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 704                 return 0;
 705         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
 706                                        csa_offs, csa_offs_len);
 707 }
 708
 709
 710 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
 711                            const u8 *addr, int reason)
 712 {
 713         if (!hapd->driver || !hapd->driver->sta_deauth || !hapd->drv_priv)
 714                 return 0;
 715         return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
 716                                         reason);
 717 }
 718
 719
 720 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
 721                              const u8 *addr, int reason)
 722 {
 723         if (!hapd->driver || !hapd->driver->sta_disassoc || !hapd->drv_priv)
 724                 return 0;
 725         return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 726                                           reason);
 727 }
 728
 729
 730 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
 731                          const u8 *peer, u8 *buf, u16 *buf_len)
 732 {
 733         if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
 734                 return -1;
 735         return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
 736                                       buf_len);
 737 }
 738
 739
 740 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
 741                             unsigned int wait, const u8 *dst, const u8 *data,
 742                             size_t len)
 743 {
 744         const u8 *bssid;
 745         const u8 wildcard_bssid[ETH_ALEN] = {
 746                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
 747         };
 748
 749         if (!hapd->driver || !hapd->driver->send_action || !hapd->drv_priv)
 750                 return 0;
 751         bssid = hapd->own_addr;
 752         if (!is_multicast_ether_addr(dst) &&
 753             len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
 754                 struct sta_info *sta;
 755
 756                 /*
 757                  * Public Action frames to a STA that is not a member of the BSS
 758                  * shall use wildcard BSSID value.
 759                  */
 760                 sta = ap_get_sta(hapd, dst);
 761                 if (!sta || !(sta->flags & WLAN_STA_ASSOC))
 762                         bssid = wildcard_bssid;
 763         } else if (is_broadcast_ether_addr(dst) &&
 764                    len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
 765                 /*
 766                  * The only current use case of Public Action frames with
 767                  * broadcast destination address is DPP PKEX. That case is
 768                  * directing all devices and not just the STAs within the BSS,
 769                  * so have to use the wildcard BSSID value.
 770                  */
 771                 bssid = wildcard_bssid;
 772         }
 773         return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
 774                                          hapd->own_addr, bssid, data, len, 0);
 775 }
 776
 777
 778 int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
 779                                      unsigned int freq,
 780                                      unsigned int wait, const u8 *dst,
 781                                      const u8 *data, size_t len)
 782 {
 783         if (hapd->driver == NULL || hapd->driver->send_action == NULL)
 784                 return 0;
 785         return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
 786                                          hapd->own_addr, hapd->own_addr, data,
 787                                          len, 0);
 788 }
 789
 790
 791 int hostapd_start_dfs_cac(struct hostapd_iface *iface,
 792                           enum hostapd_hw_mode mode, int freq,
 793                           int channel, int ht_enabled, int vht_enabled,
 794                           int he_enabled,
 795                           int sec_channel_offset, int oper_chwidth,
 796                           int center_segment0, int center_segment1)
 797 {
 798         struct hostapd_data *hapd = iface->bss[0];
 799         struct hostapd_freq_params data;
 800         int res;
 801
 802         if (!hapd->driver || !hapd->driver->start_dfs_cac)
 803                 return 0;
 804
 805         if (!iface->conf->ieee80211h) {
 806                 wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
 807                            "is not enabled");
 808                 return -1;
 809         }
 810
 811         if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
 812                                     vht_enabled, he_enabled, sec_channel_offset,
 813                                     oper_chwidth, center_segment0,
 814                                     center_segment1,
 815                                     iface->current_mode->vht_capab,
 816                                     &iface->current_mode->he_capab)) {
 817                 wpa_printf(MSG_ERROR, "Can't set freq params");
 818                 return -1;
 819         }
 820
 821         res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
 822         if (!res) {
 823                 iface->cac_started = 1;
 824                 os_get_reltime(&iface->dfs_cac_start);
 825         }
 826
 827         return res;
 828 }
 829
 830
 831 int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
 832                             const u8 *qos_map_set, u8 qos_map_set_len)
 833 {
 834         if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv)
 835                 return 0;
 836         return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
 837                                          qos_map_set_len);
 838 }
 839
 840
 841 static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
 842                                              struct hostapd_hw_modes *mode,
 843                                              int acs_ch_list_all,
 844                                              int **freq_list)
 845 {
 846         int i;
 847
 848         for (i = 0; i < mode->num_channels; i++) {
 849                 struct hostapd_channel_data *chan = &mode->channels[i];
 850
 851                 if ((acs_ch_list_all ||
 852                      freq_range_list_includes(&hapd->iface->conf->acs_ch_list,
 853                                               chan->chan)) &&
 854                     !(chan->flag & HOSTAPD_CHAN_DISABLED) &&
 855                     !(hapd->iface->conf->acs_exclude_dfs &&
 856                       (chan->flag & HOSTAPD_CHAN_RADAR)))
 857                         int_array_add_unique(freq_list, chan->freq);
 858         }
 859 }
 860
 861
 862 void hostapd_get_ext_capa(struct hostapd_iface *iface)
 863 {
 864         struct hostapd_data *hapd = iface->bss[0];
 865
 866         if (!hapd->driver || !hapd->driver->get_ext_capab)
 867                 return;
 868
 869         hapd->driver->get_ext_capab(hapd->drv_priv, WPA_IF_AP_BSS,
 870                                     &iface->extended_capa,
 871                                     &iface->extended_capa_mask,
 872                                     &iface->extended_capa_len);
 873 }
 874
 875
 876 int hostapd_drv_do_acs(struct hostapd_data *hapd)
 877 {
 878         struct drv_acs_params params;
 879         int ret, i, acs_ch_list_all = 0;
 880         u8 *channels = NULL;
 881         unsigned int num_channels = 0;
 882         struct hostapd_hw_modes *mode;
 883         int *freq_list = NULL;
 884
 885         if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
 886                 return 0;
 887
 888         os_memset(&params, 0, sizeof(params));
 889         params.hw_mode = hapd->iface->conf->hw_mode;
 890
 891         /*
 892          * If no chanlist config parameter is provided, include all enabled
 893          * channels of the selected hw_mode.
 894          */
 895         if (!hapd->iface->conf->acs_ch_list.num)
 896                 acs_ch_list_all = 1;
 897
 898         mode = hapd->iface->current_mode;
 899         if (mode) {
 900                 channels = os_malloc(mode->num_channels);
 901                 if (channels == NULL)
 902                         return -1;
 903
 904                 for (i = 0; i < mode->num_channels; i++) {
 905                         struct hostapd_channel_data *chan = &mode->channels[i];
 906                         if (!acs_ch_list_all &&
 907                             !freq_range_list_includes(
 908                                     &hapd->iface->conf->acs_ch_list,
 909                                     chan->chan))
 910                                 continue;
 911                         if (hapd->iface->conf->acs_exclude_dfs &&
 912                             (chan->flag & HOSTAPD_CHAN_RADAR))
 913                                 continue;
 914                         if (!(chan->flag & HOSTAPD_CHAN_DISABLED)) {
 915                                 channels[num_channels++] = chan->chan;
 916                                 int_array_add_unique(&freq_list, chan->freq);
 917                         }
 918                 }
 919         } else {
 920                 for (i = 0; i < hapd->iface->num_hw_features; i++) {
 921                         mode = &hapd->iface->hw_features[i];
 922                         hostapd_get_hw_mode_any_channels(hapd, mode,
 923                                                          acs_ch_list_all,
 924                                                          &freq_list);
 925                 }
 926         }
 927
 928         params.ch_list = channels;
 929         params.ch_list_len = num_channels;
 930         params.freq_list = freq_list;
 931
 932         params.ht_enabled = !!(hapd->iface->conf->ieee80211n);
 933         params.ht40_enabled = !!(hapd->iface->conf->ht_capab &
 934                                  HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET);
 935         params.vht_enabled = !!(hapd->iface->conf->ieee80211ac);
 936         params.ch_width = 20;
 937         if (hapd->iface->conf->ieee80211n && params.ht40_enabled)
 938                 params.ch_width = 40;
 939
 940         /* Note: VHT20 is defined by combination of ht_capab & oper_chwidth
 941          */
 942         if ((hapd->iface->conf->ieee80211ax ||
 943              hapd->iface->conf->ieee80211ac) &&
 944             params.ht40_enabled) {
 945                 u8 oper_chwidth = hostapd_get_oper_chwidth(hapd->iface->conf);
 946
 947                 if (oper_chwidth == CHANWIDTH_80MHZ)
 948                         params.ch_width = 80;
 949                 else if (oper_chwidth == CHANWIDTH_160MHZ ||
 950                          oper_chwidth == CHANWIDTH_80P80MHZ)
 951                         params.ch_width = 160;
 952         }
 953
 954         ret = hapd->driver->do_acs(hapd->drv_priv, &params);
 955         os_free(channels);
 956
 957         return ret;
 958 }