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         pos = hostapd_eid_rsnxe(hapd, buf, sizeof(buf));
 111         if (add_buf_data(&assocresp, buf, pos - buf) < 0)
 112                 goto fail;
 113
 114         if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 ||
 115             add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0)
 116                 goto fail;
 117
 118 #ifdef CONFIG_P2P
 119         if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 ||
 120             add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0)
 121                 goto fail;
 122 #endif /* CONFIG_P2P */
 123
 124 #ifdef CONFIG_P2P_MANAGER
 125         if (hapd->conf->p2p & P2P_MANAGE) {
 126                 if (wpabuf_resize(&beacon, 100) == 0) {
 127                         u8 *start, *p;
 128                         start = wpabuf_put(beacon, 0);
 129                         p = hostapd_eid_p2p_manage(hapd, start);
 130                         wpabuf_put(beacon, p - start);
 131                 }
 132
 133                 if (wpabuf_resize(&proberesp, 100) == 0) {
 134                         u8 *start, *p;
 135                         start = wpabuf_put(proberesp, 0);
 136                         p = hostapd_eid_p2p_manage(hapd, start);
 137                         wpabuf_put(proberesp, p - start);
 138                 }
 139         }
 140 #endif /* CONFIG_P2P_MANAGER */
 141
 142 #ifdef CONFIG_WPS
 143         if (hapd->conf->wps_state) {
 144                 struct wpabuf *a = wps_build_assoc_resp_ie();
 145                 add_buf(&assocresp, a);
 146                 wpabuf_free(a);
 147         }
 148 #endif /* CONFIG_WPS */
 149
 150 #ifdef CONFIG_P2P_MANAGER
 151         if (hapd->conf->p2p & P2P_MANAGE) {
 152                 if (wpabuf_resize(&assocresp, 100) == 0) {
 153                         u8 *start, *p;
 154                         start = wpabuf_put(assocresp, 0);
 155                         p = hostapd_eid_p2p_manage(hapd, start);
 156                         wpabuf_put(assocresp, p - start);
 157                 }
 158         }
 159 #endif /* CONFIG_P2P_MANAGER */
 160
 161 #ifdef CONFIG_WIFI_DISPLAY
 162         if (hapd->p2p_group) {
 163                 struct wpabuf *a;
 164                 a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
 165                 add_buf(&assocresp, a);
 166                 wpabuf_free(a);
 167         }
 168 #endif /* CONFIG_WIFI_DISPLAY */
 169
 170 #ifdef CONFIG_HS20
 171         pos = hostapd_eid_hs20_indication(hapd, buf);
 172         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 173             add_buf_data(&proberesp, buf, pos - buf) < 0)
 174                 goto fail;
 175
 176         pos = hostapd_eid_osen(hapd, buf);
 177         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 178             add_buf_data(&proberesp, buf, pos - buf) < 0)
 179                 goto fail;
 180 #endif /* CONFIG_HS20 */
 181
 182 #ifdef CONFIG_MBO
 183         if (hapd->conf->mbo_enabled ||
 184             OCE_STA_CFON_ENABLED(hapd) || OCE_AP_ENABLED(hapd)) {
 185                 pos = hostapd_eid_mbo(hapd, buf, sizeof(buf));
 186                 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 187                     add_buf_data(&proberesp, buf, pos - buf) < 0 ||
 188                     add_buf_data(&assocresp, buf, pos - buf) < 0)
 189                         goto fail;
 190         }
 191 #endif /* CONFIG_MBO */
 192
 193 #ifdef CONFIG_OWE
 194         pos = hostapd_eid_owe_trans(hapd, buf, sizeof(buf));
 195         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 196             add_buf_data(&proberesp, buf, pos - buf) < 0)
 197                 goto fail;
 198 #endif /* CONFIG_OWE */
 199
 200         add_buf(&beacon, hapd->conf->vendor_elements);
 201         add_buf(&proberesp, hapd->conf->vendor_elements);
 202         add_buf(&assocresp, hapd->conf->assocresp_elements);
 203
 204         *beacon_ret = beacon;
 205         *proberesp_ret = proberesp;
 206         *assocresp_ret = assocresp;
 207
 208         return 0;
 209
 210 fail:
 211         wpabuf_free(beacon);
 212         wpabuf_free(proberesp);
 213         wpabuf_free(assocresp);
 214         return -1;
 215 }
 216
 217
 218 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
 219                                struct wpabuf *beacon,
 220                                struct wpabuf *proberesp,
 221                                struct wpabuf *assocresp)
 222 {
 223         wpabuf_free(beacon);
 224         wpabuf_free(proberesp);
 225         wpabuf_free(assocresp);
 226 }
 227
 228
 229 int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
 230 {
 231         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 232                 return 0;
 233
 234         return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
 235 }
 236
 237
 238 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
 239 {
 240         struct wpabuf *beacon, *proberesp, *assocresp;
 241         int ret;
 242
 243         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 244                 return 0;
 245
 246         if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
 247             0)
 248                 return -1;
 249
 250         ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
 251                                           assocresp);
 252
 253         hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
 254
 255         return ret;
 256 }
 257
 258
 259 int hostapd_set_authorized(struct hostapd_data *hapd,
 260                            struct sta_info *sta, int authorized)
 261 {
 262         if (authorized) {
 263                 return hostapd_sta_set_flags(hapd, sta->addr,
 264                                              hostapd_sta_flags_to_drv(
 265                                                      sta->flags),
 266                                              WPA_STA_AUTHORIZED, ~0);
 267         }
 268
 269         return hostapd_sta_set_flags(hapd, sta->addr,
 270                                      hostapd_sta_flags_to_drv(sta->flags),
 271                                      0, ~WPA_STA_AUTHORIZED);
 272 }
 273
 274
 275 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
 276 {
 277         int set_flags, total_flags, flags_and, flags_or;
 278         total_flags = hostapd_sta_flags_to_drv(sta->flags);
 279         set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
 280         if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
 281              sta->auth_alg == WLAN_AUTH_FT) &&
 282             sta->flags & WLAN_STA_AUTHORIZED)
 283                 set_flags |= WPA_STA_AUTHORIZED;
 284         flags_or = total_flags & set_flags;
 285         flags_and = total_flags | ~set_flags;
 286         return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
 287                                      flags_or, flags_and);
 288 }
 289
 290
 291 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
 292                               int enabled)
 293 {
 294         struct wpa_bss_params params;
 295         os_memset(&params, 0, sizeof(params));
 296         params.ifname = ifname;
 297         params.enabled = enabled;
 298         if (enabled) {
 299                 params.wpa = hapd->conf->wpa;
 300                 params.ieee802_1x = hapd->conf->ieee802_1x;
 301                 params.wpa_group = hapd->conf->wpa_group;
 302                 if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
 303                     (WPA_PROTO_WPA | WPA_PROTO_RSN))
 304                         params.wpa_pairwise = hapd->conf->wpa_pairwise |
 305                                 hapd->conf->rsn_pairwise;
 306                 else if (hapd->conf->wpa & WPA_PROTO_RSN)
 307                         params.wpa_pairwise = hapd->conf->rsn_pairwise;
 308                 else if (hapd->conf->wpa & WPA_PROTO_WPA)
 309                         params.wpa_pairwise = hapd->conf->wpa_pairwise;
 310                 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
 311                 params.rsn_preauth = hapd->conf->rsn_preauth;
 312                 params.ieee80211w = hapd->conf->ieee80211w;
 313         }
 314         return hostapd_set_ieee8021x(hapd, &params);
 315 }
 316
 317
 318 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
 319 {
 320         char force_ifname[IFNAMSIZ];
 321         u8 if_addr[ETH_ALEN];
 322         return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
 323                               NULL, NULL, force_ifname, if_addr, NULL, 0);
 324 }
 325
 326
 327 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
 328 {
 329         return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
 330 }
 331
 332
 333 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
 334                         const u8 *addr, int aid, int val)
 335 {
 336         const char *bridge = NULL;
 337
 338         if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
 339                 return -1;
 340         if (hapd->conf->wds_bridge[0])
 341                 bridge = hapd->conf->wds_bridge;
 342         else if (hapd->conf->bridge[0])
 343                 bridge = hapd->conf->bridge;
 344         return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
 345                                          bridge, ifname_wds);
 346 }
 347
 348
 349 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
 350                          u16 auth_alg)
 351 {
 352         if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
 353                 return -EOPNOTSUPP;
 354         return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
 355 }
 356
 357
 358 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
 359                      u16 seq, u16 status, const u8 *ie, size_t len)
 360 {
 361         struct wpa_driver_sta_auth_params params;
 362 #ifdef CONFIG_FILS
 363         struct sta_info *sta;
 364 #endif /* CONFIG_FILS */
 365
 366         if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
 367                 return 0;
 368
 369         os_memset(&params, 0, sizeof(params));
 370
 371 #ifdef CONFIG_FILS
 372         sta = ap_get_sta(hapd, addr);
 373         if (!sta) {
 374                 wpa_printf(MSG_DEBUG, "Station " MACSTR
 375                            " not found for sta_auth processing",
 376                            MAC2STR(addr));
 377                 return 0;
 378         }
 379
 380         if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
 381             sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
 382             sta->auth_alg == WLAN_AUTH_FILS_PK) {
 383                 params.fils_auth = 1;
 384                 wpa_auth_get_fils_aead_params(sta->wpa_sm, params.fils_anonce,
 385                                               params.fils_snonce,
 386                                               params.fils_kek,
 387                                               &params.fils_kek_len);
 388         }
 389 #endif /* CONFIG_FILS */
 390
 391         params.own_addr = hapd->own_addr;
 392         params.addr = addr;
 393         params.seq = seq;
 394         params.status = status;
 395         params.ie = ie;
 396         params.len = len;
 397
 398         return hapd->driver->sta_auth(hapd->drv_priv, &params);
 399 }
 400
 401
 402 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
 403                       int reassoc, u16 status, const u8 *ie, size_t len)
 404 {
 405         if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
 406                 return 0;
 407         return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
 408                                        reassoc, status, ie, len);
 409 }
 410
 411
 412 int hostapd_sta_add(struct hostapd_data *hapd,
 413                     const u8 *addr, u16 aid, u16 capability,
 414                     const u8 *supp_rates, size_t supp_rates_len,
 415                     u16 listen_interval,
 416                     const struct ieee80211_ht_capabilities *ht_capab,
 417                     const struct ieee80211_vht_capabilities *vht_capab,
 418                     const struct ieee80211_he_capabilities *he_capab,
 419                     size_t he_capab_len,
 420                     u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
 421                     int set)
 422 {
 423         struct hostapd_sta_add_params params;
 424
 425         if (hapd->driver == NULL)
 426                 return 0;
 427         if (hapd->driver->sta_add == NULL)
 428                 return 0;
 429
 430         os_memset(&params, 0, sizeof(params));
 431         params.addr = addr;
 432         params.aid = aid;
 433         params.capability = capability;
 434         params.supp_rates = supp_rates;
 435         params.supp_rates_len = supp_rates_len;
 436         params.listen_interval = listen_interval;
 437         params.ht_capabilities = ht_capab;
 438         params.vht_capabilities = vht_capab;
 439         params.he_capab = he_capab;
 440         params.he_capab_len = he_capab_len;
 441         params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
 442         params.vht_opmode = vht_opmode;
 443         params.flags = hostapd_sta_flags_to_drv(flags);
 444         params.qosinfo = qosinfo;
 445         params.support_p2p_ps = supp_p2p_ps;
 446         params.set = set;
 447         return hapd->driver->sta_add(hapd->drv_priv, &params);
 448 }
 449
 450
 451 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
 452                       u8 *tspec_ie, size_t tspec_ielen)
 453 {
 454         if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
 455                 return 0;
 456         return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
 457                                        tspec_ielen);
 458 }
 459
 460
 461 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
 462 {
 463         if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
 464                 return 0;
 465         return hapd->driver->set_privacy(hapd->drv_priv, enabled);
 466 }
 467
 468
 469 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
 470                              size_t elem_len)
 471 {
 472         if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
 473                 return 0;
 474         return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
 475 }
 476
 477
 478 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
 479 {
 480         if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
 481                 return 0;
 482         return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
 483 }
 484
 485
 486 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
 487 {
 488         if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
 489                 return 0;
 490         return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
 491 }
 492
 493
 494 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 495                    const char *ifname, const u8 *addr, void *bss_ctx,
 496                    void **drv_priv, char *force_ifname, u8 *if_addr,
 497                    const char *bridge, int use_existing)
 498 {
 499         if (hapd->driver == NULL || hapd->driver->if_add == NULL)
 500                 return -1;
 501         return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
 502                                     bss_ctx, drv_priv, force_ifname, if_addr,
 503                                     bridge, use_existing, 1);
 504 }
 505
 506
 507 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 508                       const char *ifname)
 509 {
 510         if (hapd->driver == NULL || hapd->drv_priv == NULL ||
 511             hapd->driver->if_remove == NULL)
 512                 return -1;
 513         return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
 514 }
 515
 516
 517 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
 518                           struct wpa_bss_params *params)
 519 {
 520         if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
 521                 return 0;
 522         return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
 523 }
 524
 525
 526 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
 527                        const u8 *addr, int idx, u8 *seq)
 528 {
 529         if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
 530                 return 0;
 531         return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
 532                                         seq);
 533 }
 534
 535
 536 int hostapd_flush(struct hostapd_data *hapd)
 537 {
 538         if (hapd->driver == NULL || hapd->driver->flush == NULL)
 539                 return 0;
 540         return hapd->driver->flush(hapd->drv_priv);
 541 }
 542
 543
 544 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
 545                      int freq, int channel, int edmg, u8 edmg_channel,
 546                      int ht_enabled, int vht_enabled,
 547                      int he_enabled,
 548                      int sec_channel_offset, int oper_chwidth,
 549                      int center_segment0, int center_segment1)
 550 {
 551         struct hostapd_freq_params data;
 552         struct hostapd_hw_modes *cmode = hapd->iface->current_mode;
 553
 554         if (hostapd_set_freq_params(&data, mode, freq, channel, edmg,
 555                                     edmg_channel, ht_enabled,
 556                                     vht_enabled, he_enabled, sec_channel_offset,
 557                                     oper_chwidth,
 558                                     center_segment0, center_segment1,
 559                                     cmode ? cmode->vht_capab : 0,
 560                                     cmode ?
 561                                     &cmode->he_capab[IEEE80211_MODE_AP] : NULL))
 562                 return -1;
 563
 564         if (hapd->driver == NULL)
 565                 return 0;
 566         if (hapd->driver->set_freq == NULL)
 567                 return 0;
 568         return hapd->driver->set_freq(hapd->drv_priv, &data);
 569 }
 570
 571 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
 572 {
 573         if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
 574                 return 0;
 575         return hapd->driver->set_rts(hapd->drv_priv, rts);
 576 }
 577
 578
 579 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
 580 {
 581         if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
 582                 return 0;
 583         return hapd->driver->set_frag(hapd->drv_priv, frag);
 584 }
 585
 586
 587 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 588                           int total_flags, int flags_or, int flags_and)
 589 {
 590         if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
 591                 return 0;
 592         return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
 593                                            flags_or, flags_and);
 594 }
 595
 596
 597 int hostapd_sta_set_airtime_weight(struct hostapd_data *hapd, const u8 *addr,
 598                                    unsigned int weight)
 599 {
 600         if (!hapd->driver || !hapd->driver->sta_set_airtime_weight)
 601                 return 0;
 602         return hapd->driver->sta_set_airtime_weight(hapd->drv_priv, addr,
 603                                                     weight);
 604 }
 605
 606
 607 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
 608 {
 609         if (hapd->driver == NULL ||
 610             hapd->driver->set_country == NULL)
 611                 return 0;
 612         return hapd->driver->set_country(hapd->drv_priv, country);
 613 }
 614
 615
 616 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 617                                 int cw_min, int cw_max, int burst_time)
 618 {
 619         if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
 620                 return 0;
 621         return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
 622                                                  cw_min, cw_max, burst_time);
 623 }
 624
 625
 626 struct hostapd_hw_modes *
 627 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 628                             u16 *flags, u8 *dfs_domain)
 629 {
 630         if (hapd->driver == NULL ||
 631             hapd->driver->get_hw_feature_data == NULL)
 632                 return NULL;
 633         return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
 634                                                  flags, dfs_domain);
 635 }
 636
 637
 638 int hostapd_driver_commit(struct hostapd_data *hapd)
 639 {
 640         if (hapd->driver == NULL || hapd->driver->commit == NULL)
 641                 return 0;
 642         return hapd->driver->commit(hapd->drv_priv);
 643 }
 644
 645
 646 int hostapd_drv_none(struct hostapd_data *hapd)
 647 {
 648         return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
 649 }
 650
 651
 652 int hostapd_driver_scan(struct hostapd_data *hapd,
 653                         struct wpa_driver_scan_params *params)
 654 {
 655         if (hapd->driver && hapd->driver->scan2)
 656                 return hapd->driver->scan2(hapd->drv_priv, params);
 657         return -1;
 658 }
 659
 660
 661 struct wpa_scan_results * hostapd_driver_get_scan_results(
 662         struct hostapd_data *hapd)
 663 {
 664         if (hapd->driver && hapd->driver->get_scan_results2)
 665                 return hapd->driver->get_scan_results2(hapd->drv_priv);
 666         return NULL;
 667 }
 668
 669
 670 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
 671                            int duration)
 672 {
 673         if (hapd->driver && hapd->driver->set_noa)
 674                 return hapd->driver->set_noa(hapd->drv_priv, count, start,
 675                                              duration);
 676         return -1;
 677 }
 678
 679
 680 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
 681                         enum wpa_alg alg, const u8 *addr,
 682                         int key_idx, int set_tx,
 683                         const u8 *seq, size_t seq_len,
 684                         const u8 *key, size_t key_len)
 685 {
 686         if (hapd->driver == NULL || hapd->driver->set_key == NULL)
 687                 return 0;
 688         return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
 689                                      key_idx, set_tx, seq, seq_len, key,
 690                                      key_len);
 691 }
 692
 693
 694 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
 695                           const void *msg, size_t len, int noack)
 696 {
 697         if (!hapd->driver || !hapd->driver->send_mlme || !hapd->drv_priv)
 698                 return 0;
 699         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
 700                                        NULL, 0);
 701 }
 702
 703
 704 int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
 705                               const void *msg, size_t len, int noack,
 706                               const u16 *csa_offs, size_t csa_offs_len)
 707 {
 708         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 709                 return 0;
 710         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
 711                                        csa_offs, csa_offs_len);
 712 }
 713
 714
 715 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
 716                            const u8 *addr, int reason)
 717 {
 718         if (!hapd->driver || !hapd->driver->sta_deauth || !hapd->drv_priv)
 719                 return 0;
 720         return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
 721                                         reason);
 722 }
 723
 724
 725 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
 726                              const u8 *addr, int reason)
 727 {
 728         if (!hapd->driver || !hapd->driver->sta_disassoc || !hapd->drv_priv)
 729                 return 0;
 730         return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 731                                           reason);
 732 }
 733
 734
 735 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
 736                          const u8 *peer, u8 *buf, u16 *buf_len)
 737 {
 738         if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
 739                 return -1;
 740         return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
 741                                       buf_len);
 742 }
 743
 744
 745 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
 746                             unsigned int wait, const u8 *dst, const u8 *data,
 747                             size_t len)
 748 {
 749         const u8 *bssid;
 750         const u8 wildcard_bssid[ETH_ALEN] = {
 751                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
 752         };
 753
 754         if (!hapd->driver || !hapd->driver->send_action || !hapd->drv_priv)
 755                 return 0;
 756         bssid = hapd->own_addr;
 757         if (!is_multicast_ether_addr(dst) &&
 758             len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
 759                 struct sta_info *sta;
 760
 761                 /*
 762                  * Public Action frames to a STA that is not a member of the BSS
 763                  * shall use wildcard BSSID value.
 764                  */
 765                 sta = ap_get_sta(hapd, dst);
 766                 if (!sta || !(sta->flags & WLAN_STA_ASSOC))
 767                         bssid = wildcard_bssid;
 768         } else if (is_broadcast_ether_addr(dst) &&
 769                    len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
 770                 /*
 771                  * The only current use case of Public Action frames with
 772                  * broadcast destination address is DPP PKEX. That case is
 773                  * directing all devices and not just the STAs within the BSS,
 774                  * so have to use the wildcard BSSID value.
 775                  */
 776                 bssid = wildcard_bssid;
 777         }
 778         return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
 779                                          hapd->own_addr, bssid, data, len, 0);
 780 }
 781
 782
 783 int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
 784                                      unsigned int freq,
 785                                      unsigned int wait, const u8 *dst,
 786                                      const u8 *data, size_t len)
 787 {
 788         if (hapd->driver == NULL || hapd->driver->send_action == NULL)
 789                 return 0;
 790         return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
 791                                          hapd->own_addr, hapd->own_addr, data,
 792                                          len, 0);
 793 }
 794
 795
 796 int hostapd_start_dfs_cac(struct hostapd_iface *iface,
 797                           enum hostapd_hw_mode mode, int freq,
 798                           int channel, int ht_enabled, int vht_enabled,
 799                           int he_enabled,
 800                           int sec_channel_offset, int oper_chwidth,
 801                           int center_segment0, int center_segment1)
 802 {
 803         struct hostapd_data *hapd = iface->bss[0];
 804         struct hostapd_freq_params data;
 805         int res;
 806         struct hostapd_hw_modes *cmode = iface->current_mode;
 807
 808         if (!hapd->driver || !hapd->driver->start_dfs_cac || !cmode)
 809                 return 0;
 810
 811         if (!iface->conf->ieee80211h) {
 812                 wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
 813                            "is not enabled");
 814                 return -1;
 815         }
 816
 817         if (hostapd_set_freq_params(&data, mode, freq, channel, 0, 0,
 818                                     ht_enabled,
 819                                     vht_enabled, he_enabled, sec_channel_offset,
 820                                     oper_chwidth, center_segment0,
 821                                     center_segment1,
 822                                     cmode->vht_capab,
 823                                     &cmode->he_capab[IEEE80211_MODE_AP])) {
 824                 wpa_printf(MSG_ERROR, "Can't set freq params");
 825                 return -1;
 826         }
 827
 828         res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
 829         if (!res) {
 830                 iface->cac_started = 1;
 831                 os_get_reltime(&iface->dfs_cac_start);
 832         }
 833
 834         return res;
 835 }
 836
 837
 838 int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
 839                             const u8 *qos_map_set, u8 qos_map_set_len)
 840 {
 841         if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv)
 842                 return 0;
 843         return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
 844                                          qos_map_set_len);
 845 }
 846
 847
 848 static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
 849                                              struct hostapd_hw_modes *mode,
 850                                              int acs_ch_list_all,
 851                                              int **freq_list)
 852 {
 853         int i;
 854
 855         for (i = 0; i < mode->num_channels; i++) {
 856                 struct hostapd_channel_data *chan = &mode->channels[i];
 857
 858                 if ((acs_ch_list_all ||
 859                      freq_range_list_includes(&hapd->iface->conf->acs_ch_list,
 860                                               chan->chan)) &&
 861                     !(chan->flag & HOSTAPD_CHAN_DISABLED) &&
 862                     !(hapd->iface->conf->acs_exclude_dfs &&
 863                       (chan->flag & HOSTAPD_CHAN_RADAR)))
 864                         int_array_add_unique(freq_list, chan->freq);
 865         }
 866 }
 867
 868
 869 void hostapd_get_ext_capa(struct hostapd_iface *iface)
 870 {
 871         struct hostapd_data *hapd = iface->bss[0];
 872
 873         if (!hapd->driver || !hapd->driver->get_ext_capab)
 874                 return;
 875
 876         hapd->driver->get_ext_capab(hapd->drv_priv, WPA_IF_AP_BSS,
 877                                     &iface->extended_capa,
 878                                     &iface->extended_capa_mask,
 879                                     &iface->extended_capa_len);
 880 }
 881
 882
 883 int hostapd_drv_do_acs(struct hostapd_data *hapd)
 884 {
 885         struct drv_acs_params params;
 886         int ret, i, acs_ch_list_all = 0;
 887         struct hostapd_hw_modes *mode;
 888         int *freq_list = NULL;
 889         enum hostapd_hw_mode selected_mode;
 890
 891         if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
 892                 return 0;
 893
 894         os_memset(&params, 0, sizeof(params));
 895         params.hw_mode = hapd->iface->conf->hw_mode;
 896
 897         /*
 898          * If no chanlist config parameter is provided, include all enabled
 899          * channels of the selected hw_mode.
 900          */
 901         if (!hapd->iface->conf->acs_ch_list.num)
 902                 acs_ch_list_all = 1;
 903
 904         if (hapd->iface->current_mode)
 905                 selected_mode = hapd->iface->current_mode->mode;
 906         else
 907                 selected_mode = HOSTAPD_MODE_IEEE80211ANY;
 908
 909         for (i = 0; i < hapd->iface->num_hw_features; i++) {
 910                 mode = &hapd->iface->hw_features[i];
 911                 if (selected_mode != HOSTAPD_MODE_IEEE80211ANY &&
 912                     selected_mode != mode->mode)
 913                         continue;
 914                 hostapd_get_hw_mode_any_channels(hapd, mode, acs_ch_list_all,
 915                                                  &freq_list);
 916         }
 917
 918         params.freq_list = freq_list;
 919
 920         params.ht_enabled = !!(hapd->iface->conf->ieee80211n);
 921         params.ht40_enabled = !!(hapd->iface->conf->ht_capab &
 922                                  HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET);
 923         params.vht_enabled = !!(hapd->iface->conf->ieee80211ac);
 924         params.ch_width = 20;
 925         if (hapd->iface->conf->ieee80211n && params.ht40_enabled)
 926                 params.ch_width = 40;
 927
 928         /* Note: VHT20 is defined by combination of ht_capab & oper_chwidth
 929          */
 930         if ((hapd->iface->conf->ieee80211ax ||
 931              hapd->iface->conf->ieee80211ac) &&
 932             params.ht40_enabled) {
 933                 u8 oper_chwidth = hostapd_get_oper_chwidth(hapd->iface->conf);
 934
 935                 if (oper_chwidth == CHANWIDTH_80MHZ)
 936                         params.ch_width = 80;
 937                 else if (oper_chwidth == CHANWIDTH_160MHZ ||
 938                          oper_chwidth == CHANWIDTH_80P80MHZ)
 939                         params.ch_width = 160;
 940         }
 941
 942         ret = hapd->driver->do_acs(hapd->drv_priv, &params);
 943         os_free(freq_list);
 944
 945         return ret;
 946 }
 947
 948
 949 int hostapd_drv_update_dh_ie(struct hostapd_data *hapd, const u8 *peer,
 950                              u16 reason_code, const u8 *ie, size_t ielen)
 951 {
 952         if (!hapd->driver || !hapd->driver->update_dh_ie || !hapd->drv_priv)
 953                 return 0;
 954         return hapd->driver->update_dh_ie(hapd->drv_priv, peer, reason_code,
 955                                           ie, ielen);
 956 }