contrib/hostapd/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 "wps/wps.h"
  14 #include "p2p/p2p.h"
  15 #include "hostapd.h"
  16 #include "ieee802_11.h"
  17 #include "sta_info.h"
  18 #include "ap_config.h"
  19 #include "p2p_hostapd.h"
  20 #include "hs20.h"
  21 #include "ap_drv_ops.h"
  22
  23
  24 u32 hostapd_sta_flags_to_drv(u32 flags)
  25 {
  26         int res = 0;
  27         if (flags & WLAN_STA_AUTHORIZED)
  28                 res |= WPA_STA_AUTHORIZED;
  29         if (flags & WLAN_STA_WMM)
  30                 res |= WPA_STA_WMM;
  31         if (flags & WLAN_STA_SHORT_PREAMBLE)
  32                 res |= WPA_STA_SHORT_PREAMBLE;
  33         if (flags & WLAN_STA_MFP)
  34                 res |= WPA_STA_MFP;
  35         return res;
  36 }
  37
  38
  39 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
  40                                struct wpabuf **beacon_ret,
  41                                struct wpabuf **proberesp_ret,
  42                                struct wpabuf **assocresp_ret)
  43 {
  44         struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
  45         u8 buf[200], *pos;
  46
  47         *beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
  48
  49         pos = buf;
  50         pos = hostapd_eid_time_adv(hapd, pos);
  51         if (pos != buf) {
  52                 if (wpabuf_resize(&beacon, pos - buf) != 0)
  53                         goto fail;
  54                 wpabuf_put_data(beacon, buf, pos - buf);
  55         }
  56         pos = hostapd_eid_time_zone(hapd, pos);
  57         if (pos != buf) {
  58                 if (wpabuf_resize(&proberesp, pos - buf) != 0)
  59                         goto fail;
  60                 wpabuf_put_data(proberesp, buf, pos - buf);
  61         }
  62
  63         pos = buf;
  64         pos = hostapd_eid_ext_capab(hapd, pos);
  65         if (pos != buf) {
  66                 if (wpabuf_resize(&assocresp, pos - buf) != 0)
  67                         goto fail;
  68                 wpabuf_put_data(assocresp, buf, pos - buf);
  69         }
  70         pos = hostapd_eid_interworking(hapd, pos);
  71         pos = hostapd_eid_adv_proto(hapd, pos);
  72         pos = hostapd_eid_roaming_consortium(hapd, pos);
  73         if (pos != buf) {
  74                 if (wpabuf_resize(&beacon, pos - buf) != 0)
  75                         goto fail;
  76                 wpabuf_put_data(beacon, buf, pos - buf);
  77
  78                 if (wpabuf_resize(&proberesp, pos - buf) != 0)
  79                         goto fail;
  80                 wpabuf_put_data(proberesp, buf, pos - buf);
  81         }
  82
  83         if (hapd->wps_beacon_ie) {
  84                 if (wpabuf_resize(&beacon, wpabuf_len(hapd->wps_beacon_ie)) <
  85                     0)
  86                         goto fail;
  87                 wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
  88         }
  89
  90         if (hapd->wps_probe_resp_ie) {
  91                 if (wpabuf_resize(&proberesp,
  92                                   wpabuf_len(hapd->wps_probe_resp_ie)) < 0)
  93                         goto fail;
  94                 wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
  95         }
  96
  97 #ifdef CONFIG_P2P
  98         if (hapd->p2p_beacon_ie) {
  99                 if (wpabuf_resize(&beacon, wpabuf_len(hapd->p2p_beacon_ie)) <
 100                     0)
 101                         goto fail;
 102                 wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
 103         }
 104
 105         if (hapd->p2p_probe_resp_ie) {
 106                 if (wpabuf_resize(&proberesp,
 107                                   wpabuf_len(hapd->p2p_probe_resp_ie)) < 0)
 108                         goto fail;
 109                 wpabuf_put_buf(proberesp, hapd->p2p_probe_resp_ie);
 110         }
 111 #endif /* CONFIG_P2P */
 112
 113 #ifdef CONFIG_P2P_MANAGER
 114         if (hapd->conf->p2p & P2P_MANAGE) {
 115                 if (wpabuf_resize(&beacon, 100) == 0) {
 116                         u8 *start, *p;
 117                         start = wpabuf_put(beacon, 0);
 118                         p = hostapd_eid_p2p_manage(hapd, start);
 119                         wpabuf_put(beacon, p - start);
 120                 }
 121
 122                 if (wpabuf_resize(&proberesp, 100) == 0) {
 123                         u8 *start, *p;
 124                         start = wpabuf_put(proberesp, 0);
 125                         p = hostapd_eid_p2p_manage(hapd, start);
 126                         wpabuf_put(proberesp, p - start);
 127                 }
 128         }
 129 #endif /* CONFIG_P2P_MANAGER */
 130
 131 #ifdef CONFIG_WPS2
 132         if (hapd->conf->wps_state) {
 133                 struct wpabuf *a = wps_build_assoc_resp_ie();
 134                 if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
 135                         wpabuf_put_buf(assocresp, a);
 136                 wpabuf_free(a);
 137         }
 138 #endif /* CONFIG_WPS2 */
 139
 140 #ifdef CONFIG_P2P_MANAGER
 141         if (hapd->conf->p2p & P2P_MANAGE) {
 142                 if (wpabuf_resize(&assocresp, 100) == 0) {
 143                         u8 *start, *p;
 144                         start = wpabuf_put(assocresp, 0);
 145                         p = hostapd_eid_p2p_manage(hapd, start);
 146                         wpabuf_put(assocresp, p - start);
 147                 }
 148         }
 149 #endif /* CONFIG_P2P_MANAGER */
 150
 151 #ifdef CONFIG_WIFI_DISPLAY
 152         if (hapd->p2p_group) {
 153                 struct wpabuf *a;
 154                 a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
 155                 if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
 156                         wpabuf_put_buf(assocresp, a);
 157                 wpabuf_free(a);
 158         }
 159 #endif /* CONFIG_WIFI_DISPLAY */
 160
 161 #ifdef CONFIG_HS20
 162         pos = buf;
 163         pos = hostapd_eid_hs20_indication(hapd, pos);
 164         if (pos != buf) {
 165                 if (wpabuf_resize(&beacon, pos - buf) != 0)
 166                         goto fail;
 167                 wpabuf_put_data(beacon, buf, pos - buf);
 168
 169                 if (wpabuf_resize(&proberesp, pos - buf) != 0)
 170                         goto fail;
 171                 wpabuf_put_data(proberesp, buf, pos - buf);
 172         }
 173 #endif /* CONFIG_HS20 */
 174
 175         if (hapd->conf->vendor_elements) {
 176                 size_t add = wpabuf_len(hapd->conf->vendor_elements);
 177                 if (wpabuf_resize(&beacon, add) == 0)
 178                         wpabuf_put_buf(beacon, hapd->conf->vendor_elements);
 179                 if (wpabuf_resize(&proberesp, add) == 0)
 180                         wpabuf_put_buf(proberesp, hapd->conf->vendor_elements);
 181         }
 182
 183         *beacon_ret = beacon;
 184         *proberesp_ret = proberesp;
 185         *assocresp_ret = assocresp;
 186
 187         return 0;
 188
 189 fail:
 190         wpabuf_free(beacon);
 191         wpabuf_free(proberesp);
 192         wpabuf_free(assocresp);
 193         return -1;
 194 }
 195
 196
 197 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
 198                                struct wpabuf *beacon,
 199                                struct wpabuf *proberesp,
 200                                struct wpabuf *assocresp)
 201 {
 202         wpabuf_free(beacon);
 203         wpabuf_free(proberesp);
 204         wpabuf_free(assocresp);
 205 }
 206
 207
 208 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
 209 {
 210         struct wpabuf *beacon, *proberesp, *assocresp;
 211         int ret;
 212
 213         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 214                 return 0;
 215
 216         if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
 217             0)
 218                 return -1;
 219
 220         ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
 221                                           assocresp);
 222
 223         hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
 224
 225         return ret;
 226 }
 227
 228
 229 int hostapd_set_authorized(struct hostapd_data *hapd,
 230                            struct sta_info *sta, int authorized)
 231 {
 232         if (authorized) {
 233                 return hostapd_sta_set_flags(hapd, sta->addr,
 234                                              hostapd_sta_flags_to_drv(
 235                                                      sta->flags),
 236                                              WPA_STA_AUTHORIZED, ~0);
 237         }
 238
 239         return hostapd_sta_set_flags(hapd, sta->addr,
 240                                      hostapd_sta_flags_to_drv(sta->flags),
 241                                      0, ~WPA_STA_AUTHORIZED);
 242 }
 243
 244
 245 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
 246 {
 247         int set_flags, total_flags, flags_and, flags_or;
 248         total_flags = hostapd_sta_flags_to_drv(sta->flags);
 249         set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
 250         if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
 251              sta->auth_alg == WLAN_AUTH_FT) &&
 252             sta->flags & WLAN_STA_AUTHORIZED)
 253                 set_flags |= WPA_STA_AUTHORIZED;
 254         flags_or = total_flags & set_flags;
 255         flags_and = total_flags | ~set_flags;
 256         return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
 257                                      flags_or, flags_and);
 258 }
 259
 260
 261 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
 262                               int enabled)
 263 {
 264         struct wpa_bss_params params;
 265         os_memset(&params, 0, sizeof(params));
 266         params.ifname = ifname;
 267         params.enabled = enabled;
 268         if (enabled) {
 269                 params.wpa = hapd->conf->wpa;
 270                 params.ieee802_1x = hapd->conf->ieee802_1x;
 271                 params.wpa_group = hapd->conf->wpa_group;
 272                 params.wpa_pairwise = hapd->conf->wpa_pairwise;
 273                 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
 274                 params.rsn_preauth = hapd->conf->rsn_preauth;
 275 #ifdef CONFIG_IEEE80211W
 276                 params.ieee80211w = hapd->conf->ieee80211w;
 277 #endif /* CONFIG_IEEE80211W */
 278         }
 279         return hostapd_set_ieee8021x(hapd, &params);
 280 }
 281
 282
 283 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
 284 {
 285         char force_ifname[IFNAMSIZ];
 286         u8 if_addr[ETH_ALEN];
 287         return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
 288                               NULL, NULL, force_ifname, if_addr, NULL, 0);
 289 }
 290
 291
 292 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
 293 {
 294         return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
 295 }
 296
 297
 298 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
 299                         const u8 *addr, int aid, int val)
 300 {
 301         const char *bridge = NULL;
 302
 303         if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
 304                 return -1;
 305         if (hapd->conf->wds_bridge[0])
 306                 bridge = hapd->conf->wds_bridge;
 307         else if (hapd->conf->bridge[0])
 308                 bridge = hapd->conf->bridge;
 309         return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
 310                                          bridge, ifname_wds);
 311 }
 312
 313
 314 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
 315                          u16 auth_alg)
 316 {
 317         if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
 318                 return 0;
 319         return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
 320 }
 321
 322
 323 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
 324                      u16 seq, u16 status, const u8 *ie, size_t len)
 325 {
 326         if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
 327                 return 0;
 328         return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr,
 329                                       seq, status, ie, len);
 330 }
 331
 332
 333 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
 334                       int reassoc, u16 status, const u8 *ie, size_t len)
 335 {
 336         if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
 337                 return 0;
 338         return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
 339                                        reassoc, status, ie, len);
 340 }
 341
 342
 343 int hostapd_sta_add(struct hostapd_data *hapd,
 344                     const u8 *addr, u16 aid, u16 capability,
 345                     const u8 *supp_rates, size_t supp_rates_len,
 346                     u16 listen_interval,
 347                     const struct ieee80211_ht_capabilities *ht_capab,
 348                     const struct ieee80211_vht_capabilities *vht_capab,
 349                     u32 flags, u8 qosinfo)
 350 {
 351         struct hostapd_sta_add_params params;
 352
 353         if (hapd->driver == NULL)
 354                 return 0;
 355         if (hapd->driver->sta_add == NULL)
 356                 return 0;
 357
 358         os_memset(&params, 0, sizeof(params));
 359         params.addr = addr;
 360         params.aid = aid;
 361         params.capability = capability;
 362         params.supp_rates = supp_rates;
 363         params.supp_rates_len = supp_rates_len;
 364         params.listen_interval = listen_interval;
 365         params.ht_capabilities = ht_capab;
 366         params.vht_capabilities = vht_capab;
 367         params.flags = hostapd_sta_flags_to_drv(flags);
 368         params.qosinfo = qosinfo;
 369         return hapd->driver->sta_add(hapd->drv_priv, &params);
 370 }
 371
 372
 373 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
 374                       u8 *tspec_ie, size_t tspec_ielen)
 375 {
 376         if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
 377                 return 0;
 378         return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
 379                                        tspec_ielen);
 380 }
 381
 382
 383 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
 384 {
 385         if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
 386                 return 0;
 387         return hapd->driver->set_privacy(hapd->drv_priv, enabled);
 388 }
 389
 390
 391 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
 392                              size_t elem_len)
 393 {
 394         if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
 395                 return 0;
 396         return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
 397 }
 398
 399
 400 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
 401 {
 402         if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
 403                 return 0;
 404         return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
 405 }
 406
 407
 408 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
 409 {
 410         if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
 411                 return 0;
 412         return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
 413 }
 414
 415
 416 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 417                    const char *ifname, const u8 *addr, void *bss_ctx,
 418                    void **drv_priv, char *force_ifname, u8 *if_addr,
 419                    const char *bridge, int use_existing)
 420 {
 421         if (hapd->driver == NULL || hapd->driver->if_add == NULL)
 422                 return -1;
 423         return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
 424                                     bss_ctx, drv_priv, force_ifname, if_addr,
 425                                     bridge, use_existing);
 426 }
 427
 428
 429 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 430                       const char *ifname)
 431 {
 432         if (hapd->driver == NULL || hapd->drv_priv == NULL ||
 433             hapd->driver->if_remove == NULL)
 434                 return -1;
 435         return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
 436 }
 437
 438
 439 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
 440                           struct wpa_bss_params *params)
 441 {
 442         if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
 443                 return 0;
 444         return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
 445 }
 446
 447
 448 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
 449                        const u8 *addr, int idx, u8 *seq)
 450 {
 451         if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
 452                 return 0;
 453         return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
 454                                         seq);
 455 }
 456
 457
 458 int hostapd_flush(struct hostapd_data *hapd)
 459 {
 460         if (hapd->driver == NULL || hapd->driver->flush == NULL)
 461                 return 0;
 462         return hapd->driver->flush(hapd->drv_priv);
 463 }
 464
 465
 466 int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
 467                             int freq, int channel, int ht_enabled,
 468                             int vht_enabled, int sec_channel_offset,
 469                             int vht_oper_chwidth, int center_segment0,
 470                             int center_segment1, u32 vht_caps)
 471 {
 472         int tmp;
 473
 474         os_memset(data, 0, sizeof(*data));
 475         data->mode = mode;
 476         data->freq = freq;
 477         data->channel = channel;
 478         data->ht_enabled = ht_enabled;
 479         data->vht_enabled = vht_enabled;
 480         data->sec_channel_offset = sec_channel_offset;
 481         data->center_freq1 = freq + sec_channel_offset * 10;
 482         data->center_freq2 = 0;
 483         data->bandwidth = sec_channel_offset ? 40 : 20;
 484
 485         /*
 486          * This validation code is probably misplaced, maybe it should be
 487          * in src/ap/hw_features.c and check the hardware support as well.
 488          */
 489         if (data->vht_enabled) switch (vht_oper_chwidth) {
 490         case VHT_CHANWIDTH_USE_HT:
 491                 if (center_segment1)
 492                         return -1;
 493                 if (5000 + center_segment0 * 5 != data->center_freq1 &&
 494                     2407 + center_segment0 * 5 != data->center_freq1)
 495                         return -1;
 496                 break;
 497         case VHT_CHANWIDTH_80P80MHZ:
 498                 if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
 499                         wpa_printf(MSG_ERROR,
 500                                    "80+80 channel width is not supported!");
 501                         return -1;
 502                 }
 503                 if (center_segment1 == center_segment0 + 4 ||
 504                     center_segment1 == center_segment0 - 4)
 505                         return -1;
 506                 data->center_freq2 = 5000 + center_segment1 * 5;
 507                 /* fall through */
 508         case VHT_CHANWIDTH_80MHZ:
 509                 data->bandwidth = 80;
 510                 if (vht_oper_chwidth == 1 && center_segment1)
 511                         return -1;
 512                 if (vht_oper_chwidth == 3 && !center_segment1)
 513                         return -1;
 514                 if (!sec_channel_offset)
 515                         return -1;
 516                 /* primary 40 part must match the HT configuration */
 517                 tmp = (30 + freq - 5000 - center_segment0 * 5)/20;
 518                 tmp /= 2;
 519                 if (data->center_freq1 != 5000 +
 520                                          center_segment0 * 5 - 20 + 40 * tmp)
 521                         return -1;
 522                 data->center_freq1 = 5000 + center_segment0 * 5;
 523                 break;
 524         case VHT_CHANWIDTH_160MHZ:
 525                 data->bandwidth = 160;
 526                 if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
 527                                   VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
 528                         wpa_printf(MSG_ERROR,
 529                                    "160MHZ channel width is not supported!");
 530                         return -1;
 531                 }
 532                 if (center_segment1)
 533                         return -1;
 534                 if (!sec_channel_offset)
 535                         return -1;
 536                 /* primary 40 part must match the HT configuration */
 537                 tmp = (70 + freq - 5000 - center_segment0 * 5)/20;
 538                 tmp /= 2;
 539                 if (data->center_freq1 != 5000 +
 540                                          center_segment0 * 5 - 60 + 40 * tmp)
 541                         return -1;
 542                 data->center_freq1 = 5000 + center_segment0 * 5;
 543                 break;
 544         }
 545
 546         return 0;
 547 }
 548
 549
 550 int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
 551                      int channel, int ht_enabled, int vht_enabled,
 552                      int sec_channel_offset, int vht_oper_chwidth,
 553                      int center_segment0, int center_segment1)
 554 {
 555         struct hostapd_freq_params data;
 556
 557         if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
 558                                     vht_enabled, sec_channel_offset,
 559                                     vht_oper_chwidth,
 560                                     center_segment0, center_segment1,
 561                                     hapd->iface->current_mode->vht_capab))
 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_set_country(struct hostapd_data *hapd, const char *country)
 598 {
 599         if (hapd->driver == NULL ||
 600             hapd->driver->set_country == NULL)
 601                 return 0;
 602         return hapd->driver->set_country(hapd->drv_priv, country);
 603 }
 604
 605
 606 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 607                                 int cw_min, int cw_max, int burst_time)
 608 {
 609         if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
 610                 return 0;
 611         return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
 612                                                  cw_min, cw_max, burst_time);
 613 }
 614
 615
 616 struct hostapd_hw_modes *
 617 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 618                             u16 *flags)
 619 {
 620         if (hapd->driver == NULL ||
 621             hapd->driver->get_hw_feature_data == NULL)
 622                 return NULL;
 623         return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
 624                                                  flags);
 625 }
 626
 627
 628 int hostapd_driver_commit(struct hostapd_data *hapd)
 629 {
 630         if (hapd->driver == NULL || hapd->driver->commit == NULL)
 631                 return 0;
 632         return hapd->driver->commit(hapd->drv_priv);
 633 }
 634
 635
 636 int hostapd_drv_none(struct hostapd_data *hapd)
 637 {
 638         return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
 639 }
 640
 641
 642 int hostapd_driver_scan(struct hostapd_data *hapd,
 643                         struct wpa_driver_scan_params *params)
 644 {
 645         if (hapd->driver && hapd->driver->scan2)
 646                 return hapd->driver->scan2(hapd->drv_priv, params);
 647         return -1;
 648 }
 649
 650
 651 struct wpa_scan_results * hostapd_driver_get_scan_results(
 652         struct hostapd_data *hapd)
 653 {
 654         if (hapd->driver && hapd->driver->get_scan_results2)
 655                 return hapd->driver->get_scan_results2(hapd->drv_priv);
 656         return NULL;
 657 }
 658
 659
 660 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
 661                            int duration)
 662 {
 663         if (hapd->driver && hapd->driver->set_noa)
 664                 return hapd->driver->set_noa(hapd->drv_priv, count, start,
 665                                              duration);
 666         return -1;
 667 }
 668
 669
 670 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
 671                         enum wpa_alg alg, const u8 *addr,
 672                         int key_idx, int set_tx,
 673                         const u8 *seq, size_t seq_len,
 674                         const u8 *key, size_t key_len)
 675 {
 676         if (hapd->driver == NULL || hapd->driver->set_key == NULL)
 677                 return 0;
 678         return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
 679                                      key_idx, set_tx, seq, seq_len, key,
 680                                      key_len);
 681 }
 682
 683
 684 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
 685                           const void *msg, size_t len, int noack)
 686 {
 687         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 688                 return 0;
 689         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack);
 690 }
 691
 692
 693 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
 694                            const u8 *addr, int reason)
 695 {
 696         if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
 697                 return 0;
 698         return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
 699                                         reason);
 700 }
 701
 702
 703 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
 704                              const u8 *addr, int reason)
 705 {
 706         if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
 707                 return 0;
 708         return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 709                                           reason);
 710 }
 711
 712
 713 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
 714                          const u8 *peer, u8 *buf, u16 *buf_len)
 715 {
 716         if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
 717                 return -1;
 718         return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
 719                                       buf_len);
 720 }
 721
 722
 723 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
 724                             unsigned int wait, const u8 *dst, const u8 *data,
 725                             size_t len)
 726 {
 727         if (hapd->driver == NULL || hapd->driver->send_action == NULL)
 728                 return 0;
 729         return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
 730                                          hapd->own_addr, hapd->own_addr, data,
 731                                          len, 0);
 732 }
 733
 734
 735 int hostapd_start_dfs_cac(struct hostapd_iface *iface, int mode, int freq,
 736                           int channel, int ht_enabled, int vht_enabled,
 737                           int sec_channel_offset, int vht_oper_chwidth,
 738                           int center_segment0, int center_segment1)
 739 {
 740         struct hostapd_data *hapd = iface->bss[0];
 741         struct hostapd_freq_params data;
 742         int res;
 743
 744         if (!hapd->driver || !hapd->driver->start_dfs_cac)
 745                 return 0;
 746
 747         if (!iface->conf->ieee80211h) {
 748                 wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
 749                            "is not enabled");
 750                 return -1;
 751         }
 752
 753         if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
 754                                     vht_enabled, sec_channel_offset,
 755                                     vht_oper_chwidth, center_segment0,
 756                                     center_segment1,
 757                                     iface->current_mode->vht_capab))
 758                 return -1;
 759
 760         res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
 761         if (!res)
 762                 iface->cac_started = 1;
 763
 764         return res;
 765 }
 766
 767
 768 int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
 769                             const u8 *qos_map_set, u8 qos_map_set_len)
 770 {
 771         if (hapd->driver == NULL || hapd->driver->set_qos_map == NULL)
 772                 return 0;
 773         return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
 774                                          qos_map_set_len);
 775 }