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 "ap_drv_ops.h"
  23
  24
  25 u32 hostapd_sta_flags_to_drv(u32 flags)
  26 {
  27         int res = 0;
  28         if (flags & WLAN_STA_AUTHORIZED)
  29                 res |= WPA_STA_AUTHORIZED;
  30         if (flags & WLAN_STA_WMM)
  31                 res |= WPA_STA_WMM;
  32         if (flags & WLAN_STA_SHORT_PREAMBLE)
  33                 res |= WPA_STA_SHORT_PREAMBLE;
  34         if (flags & WLAN_STA_MFP)
  35                 res |= WPA_STA_MFP;
  36         if (flags & WLAN_STA_AUTH)
  37                 res |= WPA_STA_AUTHENTICATED;
  38         if (flags & WLAN_STA_ASSOC)
  39                 res |= WPA_STA_ASSOCIATED;
  40         return res;
  41 }
  42
  43
  44 static int add_buf(struct wpabuf **dst, const struct wpabuf *src)
  45 {
  46         if (!src)
  47                 return 0;
  48         if (wpabuf_resize(dst, wpabuf_len(src)) != 0)
  49                 return -1;
  50         wpabuf_put_buf(*dst, src);
  51         return 0;
  52 }
  53
  54
  55 static int add_buf_data(struct wpabuf **dst, const u8 *data, size_t len)
  56 {
  57         if (!data || !len)
  58                 return 0;
  59         if (wpabuf_resize(dst, len) != 0)
  60                 return -1;
  61         wpabuf_put_data(*dst, data, len);
  62         return 0;
  63 }
  64
  65
  66 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
  67                                struct wpabuf **beacon_ret,
  68                                struct wpabuf **proberesp_ret,
  69                                struct wpabuf **assocresp_ret)
  70 {
  71         struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
  72         u8 buf[200], *pos;
  73
  74         *beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
  75
  76         pos = buf;
  77         pos = hostapd_eid_time_adv(hapd, pos);
  78         if (add_buf_data(&beacon, buf, pos - buf) < 0)
  79                 goto fail;
  80         pos = hostapd_eid_time_zone(hapd, pos);
  81         if (add_buf_data(&proberesp, buf, pos - buf) < 0)
  82                 goto fail;
  83
  84         pos = buf;
  85         pos = hostapd_eid_ext_capab(hapd, pos);
  86         if (add_buf_data(&assocresp, buf, pos - buf) < 0)
  87                 goto fail;
  88         pos = hostapd_eid_interworking(hapd, pos);
  89         pos = hostapd_eid_adv_proto(hapd, pos);
  90         pos = hostapd_eid_roaming_consortium(hapd, pos);
  91         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
  92             add_buf_data(&proberesp, buf, pos - buf) < 0)
  93                 goto fail;
  94
  95 #ifdef CONFIG_FST
  96         if (add_buf(&beacon, hapd->iface->fst_ies) < 0 ||
  97             add_buf(&proberesp, hapd->iface->fst_ies) < 0 ||
  98             add_buf(&assocresp, hapd->iface->fst_ies) < 0)
  99                 goto fail;
 100 #endif /* CONFIG_FST */
 101
 102         if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 ||
 103             add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0)
 104                 goto fail;
 105
 106 #ifdef CONFIG_P2P
 107         if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 ||
 108             add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0)
 109                 goto fail;
 110 #endif /* CONFIG_P2P */
 111
 112 #ifdef CONFIG_P2P_MANAGER
 113         if (hapd->conf->p2p & P2P_MANAGE) {
 114                 if (wpabuf_resize(&beacon, 100) == 0) {
 115                         u8 *start, *p;
 116                         start = wpabuf_put(beacon, 0);
 117                         p = hostapd_eid_p2p_manage(hapd, start);
 118                         wpabuf_put(beacon, p - start);
 119                 }
 120
 121                 if (wpabuf_resize(&proberesp, 100) == 0) {
 122                         u8 *start, *p;
 123                         start = wpabuf_put(proberesp, 0);
 124                         p = hostapd_eid_p2p_manage(hapd, start);
 125                         wpabuf_put(proberesp, p - start);
 126                 }
 127         }
 128 #endif /* CONFIG_P2P_MANAGER */
 129
 130 #ifdef CONFIG_WPS
 131         if (hapd->conf->wps_state) {
 132                 struct wpabuf *a = wps_build_assoc_resp_ie();
 133                 add_buf(&assocresp, a);
 134                 wpabuf_free(a);
 135         }
 136 #endif /* CONFIG_WPS */
 137
 138 #ifdef CONFIG_P2P_MANAGER
 139         if (hapd->conf->p2p & P2P_MANAGE) {
 140                 if (wpabuf_resize(&assocresp, 100) == 0) {
 141                         u8 *start, *p;
 142                         start = wpabuf_put(assocresp, 0);
 143                         p = hostapd_eid_p2p_manage(hapd, start);
 144                         wpabuf_put(assocresp, p - start);
 145                 }
 146         }
 147 #endif /* CONFIG_P2P_MANAGER */
 148
 149 #ifdef CONFIG_WIFI_DISPLAY
 150         if (hapd->p2p_group) {
 151                 struct wpabuf *a;
 152                 a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
 153                 add_buf(&assocresp, a);
 154                 wpabuf_free(a);
 155         }
 156 #endif /* CONFIG_WIFI_DISPLAY */
 157
 158 #ifdef CONFIG_HS20
 159         pos = hostapd_eid_hs20_indication(hapd, buf);
 160         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 161             add_buf_data(&proberesp, buf, pos - buf) < 0)
 162                 goto fail;
 163
 164         pos = hostapd_eid_osen(hapd, buf);
 165         if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 166             add_buf_data(&proberesp, buf, pos - buf) < 0)
 167                 goto fail;
 168 #endif /* CONFIG_HS20 */
 169
 170 #ifdef CONFIG_MBO
 171         if (hapd->conf->mbo_enabled) {
 172                 pos = hostapd_eid_mbo(hapd, buf, sizeof(buf));
 173                 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
 174                     add_buf_data(&proberesp, buf, pos - buf) < 0 ||
 175                     add_buf_data(&assocresp, buf, pos - buf) < 0)
 176                         goto fail;
 177         }
 178 #endif /* CONFIG_MBO */
 179
 180         add_buf(&beacon, hapd->conf->vendor_elements);
 181         add_buf(&proberesp, hapd->conf->vendor_elements);
 182         add_buf(&assocresp, hapd->conf->assocresp_elements);
 183
 184         *beacon_ret = beacon;
 185         *proberesp_ret = proberesp;
 186         *assocresp_ret = assocresp;
 187
 188         return 0;
 189
 190 fail:
 191         wpabuf_free(beacon);
 192         wpabuf_free(proberesp);
 193         wpabuf_free(assocresp);
 194         return -1;
 195 }
 196
 197
 198 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
 199                                struct wpabuf *beacon,
 200                                struct wpabuf *proberesp,
 201                                struct wpabuf *assocresp)
 202 {
 203         wpabuf_free(beacon);
 204         wpabuf_free(proberesp);
 205         wpabuf_free(assocresp);
 206 }
 207
 208
 209 int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
 210 {
 211         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 212                 return 0;
 213
 214         return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
 215 }
 216
 217
 218 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
 219 {
 220         struct wpabuf *beacon, *proberesp, *assocresp;
 221         int ret;
 222
 223         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 224                 return 0;
 225
 226         if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
 227             0)
 228                 return -1;
 229
 230         ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
 231                                           assocresp);
 232
 233         hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
 234
 235         return ret;
 236 }
 237
 238
 239 int hostapd_set_authorized(struct hostapd_data *hapd,
 240                            struct sta_info *sta, int authorized)
 241 {
 242         if (authorized) {
 243                 return hostapd_sta_set_flags(hapd, sta->addr,
 244                                              hostapd_sta_flags_to_drv(
 245                                                      sta->flags),
 246                                              WPA_STA_AUTHORIZED, ~0);
 247         }
 248
 249         return hostapd_sta_set_flags(hapd, sta->addr,
 250                                      hostapd_sta_flags_to_drv(sta->flags),
 251                                      0, ~WPA_STA_AUTHORIZED);
 252 }
 253
 254
 255 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
 256 {
 257         int set_flags, total_flags, flags_and, flags_or;
 258         total_flags = hostapd_sta_flags_to_drv(sta->flags);
 259         set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
 260         if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
 261              sta->auth_alg == WLAN_AUTH_FT) &&
 262             sta->flags & WLAN_STA_AUTHORIZED)
 263                 set_flags |= WPA_STA_AUTHORIZED;
 264         flags_or = total_flags & set_flags;
 265         flags_and = total_flags | ~set_flags;
 266         return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
 267                                      flags_or, flags_and);
 268 }
 269
 270
 271 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
 272                               int enabled)
 273 {
 274         struct wpa_bss_params params;
 275         os_memset(&params, 0, sizeof(params));
 276         params.ifname = ifname;
 277         params.enabled = enabled;
 278         if (enabled) {
 279                 params.wpa = hapd->conf->wpa;
 280                 params.ieee802_1x = hapd->conf->ieee802_1x;
 281                 params.wpa_group = hapd->conf->wpa_group;
 282                 if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
 283                     (WPA_PROTO_WPA | WPA_PROTO_RSN))
 284                         params.wpa_pairwise = hapd->conf->wpa_pairwise |
 285                                 hapd->conf->rsn_pairwise;
 286                 else if (hapd->conf->wpa & WPA_PROTO_RSN)
 287                         params.wpa_pairwise = hapd->conf->rsn_pairwise;
 288                 else if (hapd->conf->wpa & WPA_PROTO_WPA)
 289                         params.wpa_pairwise = hapd->conf->wpa_pairwise;
 290                 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
 291                 params.rsn_preauth = hapd->conf->rsn_preauth;
 292 #ifdef CONFIG_IEEE80211W
 293                 params.ieee80211w = hapd->conf->ieee80211w;
 294 #endif /* CONFIG_IEEE80211W */
 295         }
 296         return hostapd_set_ieee8021x(hapd, &params);
 297 }
 298
 299
 300 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
 301 {
 302         char force_ifname[IFNAMSIZ];
 303         u8 if_addr[ETH_ALEN];
 304         return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
 305                               NULL, NULL, force_ifname, if_addr, NULL, 0);
 306 }
 307
 308
 309 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
 310 {
 311         return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
 312 }
 313
 314
 315 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
 316                         const u8 *addr, int aid, int val)
 317 {
 318         const char *bridge = NULL;
 319
 320         if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
 321                 return -1;
 322         if (hapd->conf->wds_bridge[0])
 323                 bridge = hapd->conf->wds_bridge;
 324         else if (hapd->conf->bridge[0])
 325                 bridge = hapd->conf->bridge;
 326         return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
 327                                          bridge, ifname_wds);
 328 }
 329
 330
 331 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
 332                          u16 auth_alg)
 333 {
 334         if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
 335                 return 0;
 336         return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
 337 }
 338
 339
 340 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
 341                      u16 seq, u16 status, const u8 *ie, size_t len)
 342 {
 343         if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
 344                 return 0;
 345         return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr,
 346                                       seq, status, ie, len);
 347 }
 348
 349
 350 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
 351                       int reassoc, u16 status, const u8 *ie, size_t len)
 352 {
 353         if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
 354                 return 0;
 355         return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
 356                                        reassoc, status, ie, len);
 357 }
 358
 359
 360 int hostapd_sta_add(struct hostapd_data *hapd,
 361                     const u8 *addr, u16 aid, u16 capability,
 362                     const u8 *supp_rates, size_t supp_rates_len,
 363                     u16 listen_interval,
 364                     const struct ieee80211_ht_capabilities *ht_capab,
 365                     const struct ieee80211_vht_capabilities *vht_capab,
 366                     u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
 367                     int set)
 368 {
 369         struct hostapd_sta_add_params params;
 370
 371         if (hapd->driver == NULL)
 372                 return 0;
 373         if (hapd->driver->sta_add == NULL)
 374                 return 0;
 375
 376         os_memset(&params, 0, sizeof(params));
 377         params.addr = addr;
 378         params.aid = aid;
 379         params.capability = capability;
 380         params.supp_rates = supp_rates;
 381         params.supp_rates_len = supp_rates_len;
 382         params.listen_interval = listen_interval;
 383         params.ht_capabilities = ht_capab;
 384         params.vht_capabilities = vht_capab;
 385         params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
 386         params.vht_opmode = vht_opmode;
 387         params.flags = hostapd_sta_flags_to_drv(flags);
 388         params.qosinfo = qosinfo;
 389         params.support_p2p_ps = supp_p2p_ps;
 390         params.set = set;
 391         return hapd->driver->sta_add(hapd->drv_priv, &params);
 392 }
 393
 394
 395 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
 396                       u8 *tspec_ie, size_t tspec_ielen)
 397 {
 398         if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
 399                 return 0;
 400         return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
 401                                        tspec_ielen);
 402 }
 403
 404
 405 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
 406 {
 407         if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
 408                 return 0;
 409         return hapd->driver->set_privacy(hapd->drv_priv, enabled);
 410 }
 411
 412
 413 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
 414                              size_t elem_len)
 415 {
 416         if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
 417                 return 0;
 418         return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
 419 }
 420
 421
 422 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
 423 {
 424         if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
 425                 return 0;
 426         return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
 427 }
 428
 429
 430 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
 431 {
 432         if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
 433                 return 0;
 434         return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
 435 }
 436
 437
 438 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 439                    const char *ifname, const u8 *addr, void *bss_ctx,
 440                    void **drv_priv, char *force_ifname, u8 *if_addr,
 441                    const char *bridge, int use_existing)
 442 {
 443         if (hapd->driver == NULL || hapd->driver->if_add == NULL)
 444                 return -1;
 445         return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
 446                                     bss_ctx, drv_priv, force_ifname, if_addr,
 447                                     bridge, use_existing, 1);
 448 }
 449
 450
 451 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 452                       const char *ifname)
 453 {
 454         if (hapd->driver == NULL || hapd->drv_priv == NULL ||
 455             hapd->driver->if_remove == NULL)
 456                 return -1;
 457         return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
 458 }
 459
 460
 461 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
 462                           struct wpa_bss_params *params)
 463 {
 464         if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
 465                 return 0;
 466         return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
 467 }
 468
 469
 470 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
 471                        const u8 *addr, int idx, u8 *seq)
 472 {
 473         if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
 474                 return 0;
 475         return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
 476                                         seq);
 477 }
 478
 479
 480 int hostapd_flush(struct hostapd_data *hapd)
 481 {
 482         if (hapd->driver == NULL || hapd->driver->flush == NULL)
 483                 return 0;
 484         return hapd->driver->flush(hapd->drv_priv);
 485 }
 486
 487
 488 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
 489                      int freq, int channel, int ht_enabled, int vht_enabled,
 490                      int sec_channel_offset, int vht_oper_chwidth,
 491                      int center_segment0, int center_segment1)
 492 {
 493         struct hostapd_freq_params data;
 494
 495         if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
 496                                     vht_enabled, sec_channel_offset,
 497                                     vht_oper_chwidth,
 498                                     center_segment0, center_segment1,
 499                                     hapd->iface->current_mode ?
 500                                     hapd->iface->current_mode->vht_capab : 0))
 501                 return -1;
 502
 503         if (hapd->driver == NULL)
 504                 return 0;
 505         if (hapd->driver->set_freq == NULL)
 506                 return 0;
 507         return hapd->driver->set_freq(hapd->drv_priv, &data);
 508 }
 509
 510 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
 511 {
 512         if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
 513                 return 0;
 514         return hapd->driver->set_rts(hapd->drv_priv, rts);
 515 }
 516
 517
 518 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
 519 {
 520         if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
 521                 return 0;
 522         return hapd->driver->set_frag(hapd->drv_priv, frag);
 523 }
 524
 525
 526 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 527                           int total_flags, int flags_or, int flags_and)
 528 {
 529         if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
 530                 return 0;
 531         return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
 532                                            flags_or, flags_and);
 533 }
 534
 535
 536 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
 537 {
 538         if (hapd->driver == NULL ||
 539             hapd->driver->set_country == NULL)
 540                 return 0;
 541         return hapd->driver->set_country(hapd->drv_priv, country);
 542 }
 543
 544
 545 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 546                                 int cw_min, int cw_max, int burst_time)
 547 {
 548         if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
 549                 return 0;
 550         return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
 551                                                  cw_min, cw_max, burst_time);
 552 }
 553
 554
 555 struct hostapd_hw_modes *
 556 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 557                             u16 *flags)
 558 {
 559         if (hapd->driver == NULL ||
 560             hapd->driver->get_hw_feature_data == NULL)
 561                 return NULL;
 562         return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
 563                                                  flags);
 564 }
 565
 566
 567 int hostapd_driver_commit(struct hostapd_data *hapd)
 568 {
 569         if (hapd->driver == NULL || hapd->driver->commit == NULL)
 570                 return 0;
 571         return hapd->driver->commit(hapd->drv_priv);
 572 }
 573
 574
 575 int hostapd_drv_none(struct hostapd_data *hapd)
 576 {
 577         return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
 578 }
 579
 580
 581 int hostapd_driver_scan(struct hostapd_data *hapd,
 582                         struct wpa_driver_scan_params *params)
 583 {
 584         if (hapd->driver && hapd->driver->scan2)
 585                 return hapd->driver->scan2(hapd->drv_priv, params);
 586         return -1;
 587 }
 588
 589
 590 struct wpa_scan_results * hostapd_driver_get_scan_results(
 591         struct hostapd_data *hapd)
 592 {
 593         if (hapd->driver && hapd->driver->get_scan_results2)
 594                 return hapd->driver->get_scan_results2(hapd->drv_priv);
 595         return NULL;
 596 }
 597
 598
 599 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
 600                            int duration)
 601 {
 602         if (hapd->driver && hapd->driver->set_noa)
 603                 return hapd->driver->set_noa(hapd->drv_priv, count, start,
 604                                              duration);
 605         return -1;
 606 }
 607
 608
 609 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
 610                         enum wpa_alg alg, const u8 *addr,
 611                         int key_idx, int set_tx,
 612                         const u8 *seq, size_t seq_len,
 613                         const u8 *key, size_t key_len)
 614 {
 615         if (hapd->driver == NULL || hapd->driver->set_key == NULL)
 616                 return 0;
 617         return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
 618                                      key_idx, set_tx, seq, seq_len, key,
 619                                      key_len);
 620 }
 621
 622
 623 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
 624                           const void *msg, size_t len, int noack)
 625 {
 626         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 627                 return 0;
 628         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
 629                                        NULL, 0);
 630 }
 631
 632
 633 int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
 634                               const void *msg, size_t len, int noack,
 635                               const u16 *csa_offs, size_t csa_offs_len)
 636 {
 637         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 638                 return 0;
 639         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
 640                                        csa_offs, csa_offs_len);
 641 }
 642
 643
 644 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
 645                            const u8 *addr, int reason)
 646 {
 647         if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
 648                 return 0;
 649         return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
 650                                         reason);
 651 }
 652
 653
 654 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
 655                              const u8 *addr, int reason)
 656 {
 657         if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
 658                 return 0;
 659         return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 660                                           reason);
 661 }
 662
 663
 664 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
 665                          const u8 *peer, u8 *buf, u16 *buf_len)
 666 {
 667         if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
 668                 return -1;
 669         return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
 670                                       buf_len);
 671 }
 672
 673
 674 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
 675                             unsigned int wait, const u8 *dst, const u8 *data,
 676                             size_t len)
 677 {
 678         const u8 *bssid;
 679         const u8 wildcard_bssid[ETH_ALEN] = {
 680                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
 681         };
 682
 683         if (hapd->driver == NULL || hapd->driver->send_action == NULL)
 684                 return 0;
 685         bssid = hapd->own_addr;
 686         if (!is_multicast_ether_addr(dst) &&
 687             len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
 688                 struct sta_info *sta;
 689
 690                 /*
 691                  * Public Action frames to a STA that is not a member of the BSS
 692                  * shall use wildcard BSSID value.
 693                  */
 694                 sta = ap_get_sta(hapd, dst);
 695                 if (!sta || !(sta->flags & WLAN_STA_ASSOC))
 696                         bssid = wildcard_bssid;
 697         }
 698         return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
 699                                          hapd->own_addr, bssid, data, len, 0);
 700 }
 701
 702
 703 int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
 704                                      unsigned int freq,
 705                                      unsigned int wait, const u8 *dst,
 706                                      const u8 *data, size_t len)
 707 {
 708         if (hapd->driver == NULL || hapd->driver->send_action == NULL)
 709                 return 0;
 710         return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
 711                                          hapd->own_addr, hapd->own_addr, data,
 712                                          len, 0);
 713 }
 714
 715
 716 int hostapd_start_dfs_cac(struct hostapd_iface *iface,
 717                           enum hostapd_hw_mode mode, int freq,
 718                           int channel, int ht_enabled, int vht_enabled,
 719                           int sec_channel_offset, int vht_oper_chwidth,
 720                           int center_segment0, int center_segment1)
 721 {
 722         struct hostapd_data *hapd = iface->bss[0];
 723         struct hostapd_freq_params data;
 724         int res;
 725
 726         if (!hapd->driver || !hapd->driver->start_dfs_cac)
 727                 return 0;
 728
 729         if (!iface->conf->ieee80211h) {
 730                 wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
 731                            "is not enabled");
 732                 return -1;
 733         }
 734
 735         if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
 736                                     vht_enabled, sec_channel_offset,
 737                                     vht_oper_chwidth, center_segment0,
 738                                     center_segment1,
 739                                     iface->current_mode->vht_capab)) {
 740                 wpa_printf(MSG_ERROR, "Can't set freq params");
 741                 return -1;
 742         }
 743
 744         res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
 745         if (!res) {
 746                 iface->cac_started = 1;
 747                 os_get_reltime(&iface->dfs_cac_start);
 748         }
 749
 750         return res;
 751 }
 752
 753
 754 int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
 755                             const u8 *qos_map_set, u8 qos_map_set_len)
 756 {
 757         if (hapd->driver == NULL || hapd->driver->set_qos_map == NULL)
 758                 return 0;
 759         return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
 760                                          qos_map_set_len);
 761 }
 762
 763
 764 static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
 765                                              struct hostapd_hw_modes *mode,
 766                                              int acs_ch_list_all,
 767                                              int **freq_list)
 768 {
 769         int i;
 770
 771         for (i = 0; i < mode->num_channels; i++) {
 772                 struct hostapd_channel_data *chan = &mode->channels[i];
 773
 774                 if ((acs_ch_list_all ||
 775                      freq_range_list_includes(&hapd->iface->conf->acs_ch_list,
 776                                               chan->chan)) &&
 777                     !(chan->flag & HOSTAPD_CHAN_DISABLED))
 778                         int_array_add_unique(freq_list, chan->freq);
 779         }
 780 }
 781
 782
 783 void hostapd_get_ext_capa(struct hostapd_iface *iface)
 784 {
 785         struct hostapd_data *hapd = iface->bss[0];
 786
 787         if (!hapd->driver || !hapd->driver->get_ext_capab)
 788                 return;
 789
 790         hapd->driver->get_ext_capab(hapd->drv_priv, WPA_IF_AP_BSS,
 791                                     &iface->extended_capa,
 792                                     &iface->extended_capa_mask,
 793                                     &iface->extended_capa_len);
 794 }
 795
 796
 797 int hostapd_drv_do_acs(struct hostapd_data *hapd)
 798 {
 799         struct drv_acs_params params;
 800         int ret, i, acs_ch_list_all = 0;
 801         u8 *channels = NULL;
 802         unsigned int num_channels = 0;
 803         struct hostapd_hw_modes *mode;
 804         int *freq_list = NULL;
 805
 806         if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
 807                 return 0;
 808
 809         os_memset(&params, 0, sizeof(params));
 810         params.hw_mode = hapd->iface->conf->hw_mode;
 811
 812         /*
 813          * If no chanlist config parameter is provided, include all enabled
 814          * channels of the selected hw_mode.
 815          */
 816         if (!hapd->iface->conf->acs_ch_list.num)
 817                 acs_ch_list_all = 1;
 818
 819         mode = hapd->iface->current_mode;
 820         if (mode) {
 821                 channels = os_malloc(mode->num_channels);
 822                 if (channels == NULL)
 823                         return -1;
 824
 825                 for (i = 0; i < mode->num_channels; i++) {
 826                         struct hostapd_channel_data *chan = &mode->channels[i];
 827                         if (!acs_ch_list_all &&
 828                             !freq_range_list_includes(
 829                                     &hapd->iface->conf->acs_ch_list,
 830                                     chan->chan))
 831                                 continue;
 832                         if (!(chan->flag & HOSTAPD_CHAN_DISABLED)) {
 833                                 channels[num_channels++] = chan->chan;
 834                                 int_array_add_unique(&freq_list, chan->freq);
 835                         }
 836                 }
 837         } else {
 838                 for (i = 0; i < hapd->iface->num_hw_features; i++) {
 839                         mode = &hapd->iface->hw_features[i];
 840                         hostapd_get_hw_mode_any_channels(hapd, mode,
 841                                                          acs_ch_list_all,
 842                                                          &freq_list);
 843                 }
 844         }
 845
 846         params.ch_list = channels;
 847         params.ch_list_len = num_channels;
 848         params.freq_list = freq_list;
 849
 850         params.ht_enabled = !!(hapd->iface->conf->ieee80211n);
 851         params.ht40_enabled = !!(hapd->iface->conf->ht_capab &
 852                                  HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET);
 853         params.vht_enabled = !!(hapd->iface->conf->ieee80211ac);
 854         params.ch_width = 20;
 855         if (hapd->iface->conf->ieee80211n && params.ht40_enabled)
 856                 params.ch_width = 40;
 857
 858         /* Note: VHT20 is defined by combination of ht_capab & vht_oper_chwidth
 859          */
 860         if (hapd->iface->conf->ieee80211ac && params.ht40_enabled) {
 861                 if (hapd->iface->conf->vht_oper_chwidth == VHT_CHANWIDTH_80MHZ)
 862                         params.ch_width = 80;
 863                 else if (hapd->iface->conf->vht_oper_chwidth ==
 864                          VHT_CHANWIDTH_160MHZ ||
 865                          hapd->iface->conf->vht_oper_chwidth ==
 866                          VHT_CHANWIDTH_80P80MHZ)
 867                         params.ch_width = 160;
 868         }
 869
 870         ret = hapd->driver->do_acs(hapd->drv_priv, &params);
 871         os_free(channels);
 872
 873         return ret;
 874 }