src/ap/ap_drv_ops.c

   1 /*
   2  * hostapd - Driver operations
   3  * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "utils/includes.h"
  16
  17 #include "utils/common.h"
  18 #include "drivers/driver.h"
  19 #include "common/ieee802_11_defs.h"
  20 #include "hostapd.h"
  21 #include "ieee802_11.h"
  22 #include "sta_info.h"
  23 #include "ap_config.h"
  24 #include "ap_drv_ops.h"
  25
  26
  27 static int hostapd_sta_flags_to_drv(int flags)
  28 {
  29         int res = 0;
  30         if (flags & WLAN_STA_AUTHORIZED)
  31                 res |= WPA_STA_AUTHORIZED;
  32         if (flags & WLAN_STA_WMM)
  33                 res |= WPA_STA_WMM;
  34         if (flags & WLAN_STA_SHORT_PREAMBLE)
  35                 res |= WPA_STA_SHORT_PREAMBLE;
  36         if (flags & WLAN_STA_MFP)
  37                 res |= WPA_STA_MFP;
  38         return res;
  39 }
  40
  41
  42 static int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
  43 {
  44         struct wpabuf *beacon, *proberesp;
  45         int ret;
  46
  47         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
  48                 return 0;
  49
  50         beacon = hapd->wps_beacon_ie;
  51         proberesp = hapd->wps_probe_resp_ie;
  52
  53 #ifdef CONFIG_P2P
  54         if (hapd->wps_beacon_ie == NULL && hapd->p2p_beacon_ie == NULL)
  55                 beacon = NULL;
  56         else {
  57                 beacon = wpabuf_alloc((hapd->wps_beacon_ie ?
  58                                        wpabuf_len(hapd->wps_beacon_ie) : 0) +
  59                                       (hapd->p2p_beacon_ie ?
  60                                        wpabuf_len(hapd->p2p_beacon_ie) : 0));
  61                 if (beacon == NULL)
  62                         return -1;
  63                 if (hapd->wps_beacon_ie)
  64                         wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
  65                 if (hapd->p2p_beacon_ie)
  66                         wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
  67         }
  68
  69         if (hapd->wps_probe_resp_ie == NULL && hapd->p2p_probe_resp_ie == NULL)
  70                 proberesp = NULL;
  71         else {
  72                 proberesp = wpabuf_alloc(
  73                         (hapd->wps_probe_resp_ie ?
  74                          wpabuf_len(hapd->wps_probe_resp_ie) : 0) +
  75                         (hapd->p2p_probe_resp_ie ?
  76                          wpabuf_len(hapd->p2p_probe_resp_ie) : 0));
  77                 if (proberesp == NULL) {
  78                         wpabuf_free(beacon);
  79                         return -1;
  80                 }
  81                 if (hapd->wps_probe_resp_ie)
  82                         wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
  83                 if (hapd->p2p_probe_resp_ie)
  84                         wpabuf_put_buf(proberesp, hapd->p2p_probe_resp_ie);
  85         }
  86 #endif /* CONFIG_P2P */
  87
  88         ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp);
  89
  90 #ifdef CONFIG_P2P
  91         wpabuf_free(beacon);
  92         wpabuf_free(proberesp);
  93 #endif /* CONFIG_P2P */
  94
  95         return ret;
  96 }
  97
  98
  99 static int hostapd_send_mgmt_frame(struct hostapd_data *hapd, const void *msg,
 100                            size_t len)
 101 {
 102         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 103                 return 0;
 104         return hapd->driver->send_mlme(hapd->drv_priv, msg, len);
 105 }
 106
 107
 108 static int hostapd_send_eapol(struct hostapd_data *hapd, const u8 *addr,
 109                               const u8 *data, size_t data_len, int encrypt)
 110 {
 111         if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
 112                 return 0;
 113         return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
 114                                              data_len, encrypt,
 115                                              hapd->own_addr);
 116 }
 117
 118
 119 static int hostapd_set_authorized(struct hostapd_data *hapd,
 120                                   struct sta_info *sta, int authorized)
 121 {
 122         if (authorized) {
 123                 return hostapd_sta_set_flags(hapd, sta->addr,
 124                                              hostapd_sta_flags_to_drv(
 125                                                      sta->flags),
 126                                              WPA_STA_AUTHORIZED, ~0);
 127         }
 128
 129         return hostapd_sta_set_flags(hapd, sta->addr,
 130                                      hostapd_sta_flags_to_drv(sta->flags),
 131                                      0, ~WPA_STA_AUTHORIZED);
 132 }
 133
 134
 135 static int hostapd_set_key(const char *ifname, struct hostapd_data *hapd,
 136                            enum wpa_alg alg, const u8 *addr, int key_idx,
 137                            int set_tx, const u8 *seq, size_t seq_len,
 138                            const u8 *key, size_t key_len)
 139 {
 140         if (hapd->driver == NULL || hapd->driver->set_key == NULL)
 141                 return 0;
 142         return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
 143                                      key_idx, set_tx, seq, seq_len, key,
 144                                      key_len);
 145 }
 146
 147
 148 static int hostapd_read_sta_data(struct hostapd_data *hapd,
 149                                  struct hostap_sta_driver_data *data,
 150                                  const u8 *addr)
 151 {
 152         if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
 153                 return -1;
 154         return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
 155 }
 156
 157
 158 static int hostapd_sta_clear_stats(struct hostapd_data *hapd, const u8 *addr)
 159 {
 160         if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
 161                 return 0;
 162         return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
 163 }
 164
 165
 166 static int hostapd_set_sta_flags(struct hostapd_data *hapd,
 167                                  struct sta_info *sta)
 168 {
 169         int set_flags, total_flags, flags_and, flags_or;
 170         total_flags = hostapd_sta_flags_to_drv(sta->flags);
 171         set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
 172         if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
 173              sta->auth_alg == WLAN_AUTH_FT) &&
 174             sta->flags & WLAN_STA_AUTHORIZED)
 175                 set_flags |= WPA_STA_AUTHORIZED;
 176         flags_or = total_flags & set_flags;
 177         flags_and = total_flags | ~set_flags;
 178         return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
 179                                      flags_or, flags_and);
 180 }
 181
 182
 183 static int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd,
 184                                      const char *ifname, int enabled)
 185 {
 186         struct wpa_bss_params params;
 187         os_memset(&params, 0, sizeof(params));
 188         params.ifname = ifname;
 189         params.enabled = enabled;
 190         if (enabled) {
 191                 params.wpa = hapd->conf->wpa;
 192                 params.ieee802_1x = hapd->conf->ieee802_1x;
 193                 params.wpa_group = hapd->conf->wpa_group;
 194                 params.wpa_pairwise = hapd->conf->wpa_pairwise;
 195                 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
 196                 params.rsn_preauth = hapd->conf->rsn_preauth;
 197         }
 198         return hostapd_set_ieee8021x(hapd, &params);
 199 }
 200
 201
 202 static int hostapd_set_radius_acl_auth(struct hostapd_data *hapd,
 203                                        const u8 *mac, int accepted,
 204                                        u32 session_timeout)
 205 {
 206         if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
 207                 return 0;
 208         return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
 209                                                  session_timeout);
 210 }
 211
 212
 213 static int hostapd_set_radius_acl_expire(struct hostapd_data *hapd,
 214                                          const u8 *mac)
 215 {
 216         if (hapd->driver == NULL ||
 217             hapd->driver->set_radius_acl_expire == NULL)
 218                 return 0;
 219         return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
 220 }
 221
 222
 223 static int hostapd_set_bss_params(struct hostapd_data *hapd,
 224                                   int use_protection)
 225 {
 226         int ret = 0;
 227         int preamble;
 228 #ifdef CONFIG_IEEE80211N
 229         u8 buf[60], *ht_capab, *ht_oper, *pos;
 230
 231         pos = buf;
 232         ht_capab = pos;
 233         pos = hostapd_eid_ht_capabilities(hapd, pos);
 234         ht_oper = pos;
 235         pos = hostapd_eid_ht_operation(hapd, pos);
 236         if (pos > ht_oper && ht_oper > ht_capab &&
 237             hostapd_set_ht_params(hapd, ht_capab + 2, ht_capab[1],
 238                                   ht_oper + 2, ht_oper[1])) {
 239                 wpa_printf(MSG_ERROR, "Could not set HT capabilities "
 240                            "for kernel driver");
 241                 ret = -1;
 242         }
 243
 244 #endif /* CONFIG_IEEE80211N */
 245
 246         if (hostapd_set_cts_protect(hapd, use_protection)) {
 247                 wpa_printf(MSG_ERROR, "Failed to set CTS protect in kernel "
 248                            "driver");
 249                 ret = -1;
 250         }
 251
 252         if (hapd->iface->current_mode &&
 253             hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G &&
 254             hostapd_set_short_slot_time(hapd,
 255                                         hapd->iface->num_sta_no_short_slot_time
 256                                         > 0 ? 0 : 1)) {
 257                 wpa_printf(MSG_ERROR, "Failed to set Short Slot Time option "
 258                            "in kernel driver");
 259                 ret = -1;
 260         }
 261
 262         if (hapd->iface->num_sta_no_short_preamble == 0 &&
 263             hapd->iconf->preamble == SHORT_PREAMBLE)
 264                 preamble = SHORT_PREAMBLE;
 265         else
 266                 preamble = LONG_PREAMBLE;
 267         if (hostapd_set_preamble(hapd, preamble)) {
 268                 wpa_printf(MSG_ERROR, "Could not set preamble for kernel "
 269                            "driver");
 270                 ret = -1;
 271         }
 272
 273         return ret;
 274 }
 275
 276
 277 static int hostapd_set_beacon(struct hostapd_data *hapd,
 278                               const u8 *head, size_t head_len,
 279                               const u8 *tail, size_t tail_len, int dtim_period,
 280                               int beacon_int)
 281 {
 282         if (hapd->driver == NULL || hapd->driver->set_beacon == NULL)
 283                 return 0;
 284         return hapd->driver->set_beacon(hapd->drv_priv,
 285                                         head, head_len, tail, tail_len,
 286                                         dtim_period, beacon_int);
 287 }
 288
 289
 290 static int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
 291 {
 292         char force_ifname[IFNAMSIZ];
 293         u8 if_addr[ETH_ALEN];
 294         return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, NULL, NULL, NULL,
 295                               force_ifname, if_addr);
 296 }
 297
 298 static int hostapd_vlan_if_remove(struct hostapd_data *hapd,
 299                                   const char *ifname)
 300 {
 301         return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
 302 }
 303
 304
 305 static int hostapd_set_wds_sta(struct hostapd_data *hapd, const u8 *addr,
 306                                int aid, int val)
 307 {
 308         if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
 309                 return 0;
 310         return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val);
 311 }
 312
 313
 314 static int hostapd_set_sta_vlan(const char *ifname, struct hostapd_data *hapd,
 315                                 const u8 *addr, int vlan_id)
 316 {
 317         if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
 318                 return 0;
 319         return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname,
 320                                           vlan_id);
 321 }
 322
 323
 324 static int hostapd_get_inact_sec(struct hostapd_data *hapd, const u8 *addr)
 325 {
 326         if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
 327                 return 0;
 328         return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
 329 }
 330
 331
 332 static int hostapd_sta_deauth(struct hostapd_data *hapd, const u8 *addr,
 333                               int reason)
 334 {
 335         if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
 336                 return 0;
 337         return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
 338                                         reason);
 339 }
 340
 341
 342 static int hostapd_sta_disassoc(struct hostapd_data *hapd, const u8 *addr,
 343                                 int reason)
 344 {
 345         if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
 346                 return 0;
 347         return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 348                                           reason);
 349 }
 350
 351
 352 static int hostapd_sta_add(struct hostapd_data *hapd,
 353                            const u8 *addr, u16 aid, u16 capability,
 354                            const u8 *supp_rates, size_t supp_rates_len,
 355                            u16 listen_interval,
 356                            const struct ieee80211_ht_capabilities *ht_capab)
 357 {
 358         struct hostapd_sta_add_params params;
 359
 360         if (hapd->driver == NULL)
 361                 return 0;
 362         if (hapd->driver->sta_add == NULL)
 363                 return 0;
 364
 365         os_memset(&params, 0, sizeof(params));
 366         params.addr = addr;
 367         params.aid = aid;
 368         params.capability = capability;
 369         params.supp_rates = supp_rates;
 370         params.supp_rates_len = supp_rates_len;
 371         params.listen_interval = listen_interval;
 372         params.ht_capabilities = ht_capab;
 373         return hapd->driver->sta_add(hapd->drv_priv, &params);
 374 }
 375
 376
 377 static int hostapd_sta_remove(struct hostapd_data *hapd, const u8 *addr)
 378 {
 379         if (hapd->driver == NULL || hapd->driver->sta_remove == NULL)
 380                 return 0;
 381         return hapd->driver->sta_remove(hapd->drv_priv, addr);
 382 }
 383
 384
 385 static int hostapd_set_countermeasures(struct hostapd_data *hapd, int enabled)
 386 {
 387         if (hapd->driver == NULL ||
 388             hapd->driver->hapd_set_countermeasures == NULL)
 389                 return 0;
 390         return hapd->driver->hapd_set_countermeasures(hapd->drv_priv, enabled);
 391 }
 392
 393
 394 void hostapd_set_driver_ops(struct hostapd_driver_ops *ops)
 395 {
 396         ops->set_ap_wps_ie = hostapd_set_ap_wps_ie;
 397         ops->send_mgmt_frame = hostapd_send_mgmt_frame;
 398         ops->send_eapol = hostapd_send_eapol;
 399         ops->set_authorized = hostapd_set_authorized;
 400         ops->set_key = hostapd_set_key;
 401         ops->read_sta_data = hostapd_read_sta_data;
 402         ops->sta_clear_stats = hostapd_sta_clear_stats;
 403         ops->set_sta_flags = hostapd_set_sta_flags;
 404         ops->set_drv_ieee8021x = hostapd_set_drv_ieee8021x;
 405         ops->set_radius_acl_auth = hostapd_set_radius_acl_auth;
 406         ops->set_radius_acl_expire = hostapd_set_radius_acl_expire;
 407         ops->set_bss_params = hostapd_set_bss_params;
 408         ops->set_beacon = hostapd_set_beacon;
 409         ops->vlan_if_add = hostapd_vlan_if_add;
 410         ops->vlan_if_remove = hostapd_vlan_if_remove;
 411         ops->set_wds_sta = hostapd_set_wds_sta;
 412         ops->set_sta_vlan = hostapd_set_sta_vlan;
 413         ops->get_inact_sec = hostapd_get_inact_sec;
 414         ops->sta_deauth = hostapd_sta_deauth;
 415         ops->sta_disassoc = hostapd_sta_disassoc;
 416         ops->sta_add = hostapd_sta_add;
 417         ops->sta_remove = hostapd_sta_remove;
 418         ops->set_countermeasures = hostapd_set_countermeasures;
 419 }
 420
 421
 422 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
 423 {
 424         if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
 425                 return 0;
 426         return hapd->driver->set_privacy(hapd->drv_priv, enabled);
 427 }
 428
 429
 430 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
 431                              size_t elem_len)
 432 {
 433         if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
 434                 return 0;
 435         return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
 436 }
 437
 438
 439 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
 440 {
 441         if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
 442                 return 0;
 443         return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
 444 }
 445
 446
 447 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
 448 {
 449         if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
 450                 return 0;
 451         return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
 452 }
 453
 454
 455 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 456                    const char *ifname, const u8 *addr, void *bss_ctx,
 457                    void **drv_priv, char *force_ifname, u8 *if_addr)
 458 {
 459         if (hapd->driver == NULL || hapd->driver->if_add == NULL)
 460                 return -1;
 461         return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
 462                                     bss_ctx, drv_priv, force_ifname, if_addr);
 463 }
 464
 465
 466 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 467                       const char *ifname)
 468 {
 469         if (hapd->driver == NULL || hapd->driver->if_remove == NULL)
 470                 return -1;
 471         return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
 472 }
 473
 474
 475 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
 476                           struct wpa_bss_params *params)
 477 {
 478         if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
 479                 return 0;
 480         return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
 481 }
 482
 483
 484 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
 485                        const u8 *addr, int idx, u8 *seq)
 486 {
 487         if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
 488                 return 0;
 489         return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
 490                                         seq);
 491 }
 492
 493
 494 int hostapd_flush(struct hostapd_data *hapd)
 495 {
 496         if (hapd->driver == NULL || hapd->driver->flush == NULL)
 497                 return 0;
 498         return hapd->driver->flush(hapd->drv_priv);
 499 }
 500
 501
 502 int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
 503                      int channel, int ht_enabled, int sec_channel_offset)
 504 {
 505         struct hostapd_freq_params data;
 506         if (hapd->driver == NULL)
 507                 return 0;
 508         if (hapd->driver->set_freq == NULL)
 509                 return 0;
 510         os_memset(&data, 0, sizeof(data));
 511         data.mode = mode;
 512         data.freq = freq;
 513         data.channel = channel;
 514         data.ht_enabled = ht_enabled;
 515         data.sec_channel_offset = sec_channel_offset;
 516         return hapd->driver->set_freq(hapd->drv_priv, &data);
 517 }
 518
 519 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
 520 {
 521         if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
 522                 return 0;
 523         return hapd->driver->set_rts(hapd->drv_priv, rts);
 524 }
 525
 526
 527 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
 528 {
 529         if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
 530                 return 0;
 531         return hapd->driver->set_frag(hapd->drv_priv, frag);
 532 }
 533
 534
 535 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 536                           int total_flags, int flags_or, int flags_and)
 537 {
 538         if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
 539                 return 0;
 540         return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
 541                                            flags_or, flags_and);
 542 }
 543
 544
 545 int hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
 546                           int *basic_rates, int mode)
 547 {
 548         if (hapd->driver == NULL || hapd->driver->set_rate_sets == NULL)
 549                 return 0;
 550         return hapd->driver->set_rate_sets(hapd->drv_priv, supp_rates,
 551                                            basic_rates, mode);
 552 }
 553
 554
 555 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
 556 {
 557         if (hapd->driver == NULL ||
 558             hapd->driver->set_country == NULL)
 559                 return 0;
 560         return hapd->driver->set_country(hapd->drv_priv, country);
 561 }
 562
 563
 564 int hostapd_set_cts_protect(struct hostapd_data *hapd, int value)
 565 {
 566         if (hapd->driver == NULL || hapd->driver->set_cts_protect == NULL)
 567                 return 0;
 568         return hapd->driver->set_cts_protect(hapd->drv_priv, value);
 569 }
 570
 571
 572 int hostapd_set_preamble(struct hostapd_data *hapd, int value)
 573 {
 574         if (hapd->driver == NULL || hapd->driver->set_preamble == NULL)
 575                 return 0;
 576         return hapd->driver->set_preamble(hapd->drv_priv, value);
 577 }
 578
 579
 580 int hostapd_set_short_slot_time(struct hostapd_data *hapd, int value)
 581 {
 582         if (hapd->driver == NULL || hapd->driver->set_short_slot_time == NULL)
 583                 return 0;
 584         return hapd->driver->set_short_slot_time(hapd->drv_priv, value);
 585 }
 586
 587
 588 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 589                                 int cw_min, int cw_max, int burst_time)
 590 {
 591         if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
 592                 return 0;
 593         return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
 594                                                  cw_min, cw_max, burst_time);
 595 }
 596
 597
 598 int hostapd_valid_bss_mask(struct hostapd_data *hapd, const u8 *addr,
 599                            const u8 *mask)
 600 {
 601         if (hapd->driver == NULL || hapd->driver->valid_bss_mask == NULL)
 602                 return 1;
 603         return hapd->driver->valid_bss_mask(hapd->drv_priv, addr, mask);
 604 }
 605
 606
 607 struct hostapd_hw_modes *
 608 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 609                             u16 *flags)
 610 {
 611         if (hapd->driver == NULL ||
 612             hapd->driver->get_hw_feature_data == NULL)
 613                 return NULL;
 614         return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
 615                                                  flags);
 616 }
 617
 618
 619 int hostapd_driver_commit(struct hostapd_data *hapd)
 620 {
 621         if (hapd->driver == NULL || hapd->driver->commit == NULL)
 622                 return 0;
 623         return hapd->driver->commit(hapd->drv_priv);
 624 }
 625
 626
 627 int hostapd_set_ht_params(struct hostapd_data *hapd,
 628                           const u8 *ht_capab, size_t ht_capab_len,
 629                           const u8 *ht_oper, size_t ht_oper_len)
 630 {
 631         if (hapd->driver == NULL || hapd->driver->set_ht_params == NULL ||
 632             ht_capab == NULL || ht_oper == NULL)
 633                 return 0;
 634         return hapd->driver->set_ht_params(hapd->drv_priv,
 635                                            ht_capab, ht_capab_len,
 636                                            ht_oper, ht_oper_len);
 637 }
 638
 639
 640 int hostapd_drv_none(struct hostapd_data *hapd)
 641 {
 642         return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
 643 }
 644
 645
 646 int hostapd_driver_scan(struct hostapd_data *hapd,
 647                         struct wpa_driver_scan_params *params)
 648 {
 649         if (hapd->driver && hapd->driver->scan2)
 650                 return hapd->driver->scan2(hapd->drv_priv, params);
 651         return -1;
 652 }
 653
 654
 655 struct wpa_scan_results * hostapd_driver_get_scan_results(
 656         struct hostapd_data *hapd)
 657 {
 658         if (hapd->driver && hapd->driver->get_scan_results2)
 659                 return hapd->driver->get_scan_results2(hapd->drv_priv);
 660         return NULL;
 661 }
 662
 663
 664 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
 665                            int duration)
 666 {
 667         if (hapd->driver && hapd->driver->set_noa)
 668                 return hapd->driver->set_noa(hapd->drv_priv, count, start,
 669                                              duration);
 670         return -1;
 671 }