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 "wps/wps.h"
  21 #include "hostapd.h"
  22 #include "ieee802_11.h"
  23 #include "sta_info.h"
  24 #include "ap_config.h"
  25 #include "ap_drv_ops.h"
  26
  27
  28 static int hostapd_sta_flags_to_drv(int flags)
  29 {
  30         int res = 0;
  31         if (flags & WLAN_STA_AUTHORIZED)
  32                 res |= WPA_STA_AUTHORIZED;
  33         if (flags & WLAN_STA_WMM)
  34                 res |= WPA_STA_WMM;
  35         if (flags & WLAN_STA_SHORT_PREAMBLE)
  36                 res |= WPA_STA_SHORT_PREAMBLE;
  37         if (flags & WLAN_STA_MFP)
  38                 res |= WPA_STA_MFP;
  39         return res;
  40 }
  41
  42
  43 static int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
  44 {
  45         struct wpabuf *beacon, *proberesp, *assocresp = NULL;
  46         int ret;
  47
  48         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
  49                 return 0;
  50
  51         beacon = hapd->wps_beacon_ie;
  52         proberesp = hapd->wps_probe_resp_ie;
  53
  54 #ifdef CONFIG_P2P
  55         if (hapd->wps_beacon_ie == NULL && hapd->p2p_beacon_ie == NULL)
  56                 beacon = NULL;
  57         else {
  58                 beacon = wpabuf_alloc((hapd->wps_beacon_ie ?
  59                                        wpabuf_len(hapd->wps_beacon_ie) : 0) +
  60                                       (hapd->p2p_beacon_ie ?
  61                                        wpabuf_len(hapd->p2p_beacon_ie) : 0));
  62                 if (beacon == NULL)
  63                         return -1;
  64                 if (hapd->wps_beacon_ie)
  65                         wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
  66                 if (hapd->p2p_beacon_ie)
  67                         wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
  68         }
  69
  70         if (hapd->wps_probe_resp_ie == NULL && hapd->p2p_probe_resp_ie == NULL)
  71                 proberesp = NULL;
  72         else {
  73                 proberesp = wpabuf_alloc(
  74                         (hapd->wps_probe_resp_ie ?
  75                          wpabuf_len(hapd->wps_probe_resp_ie) : 0) +
  76                         (hapd->p2p_probe_resp_ie ?
  77                          wpabuf_len(hapd->p2p_probe_resp_ie) : 0));
  78                 if (proberesp == NULL) {
  79                         wpabuf_free(beacon);
  80                         return -1;
  81                 }
  82                 if (hapd->wps_probe_resp_ie)
  83                         wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
  84                 if (hapd->p2p_probe_resp_ie)
  85                         wpabuf_put_buf(proberesp, hapd->p2p_probe_resp_ie);
  86         }
  87 #endif /* CONFIG_P2P */
  88
  89 #ifdef CONFIG_WPS2
  90         if (hapd->conf->wps_state)
  91                 assocresp = wps_build_assoc_resp_ie();
  92 #endif /* CONFIG_WPS2 */
  93
  94         ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
  95                                           assocresp);
  96
  97 #ifdef CONFIG_P2P
  98         wpabuf_free(beacon);
  99         wpabuf_free(proberesp);
 100 #endif /* CONFIG_P2P */
 101         wpabuf_free(assocresp);
 102
 103         return ret;
 104 }
 105
 106
 107 static int hostapd_send_mgmt_frame(struct hostapd_data *hapd, const void *msg,
 108                            size_t len)
 109 {
 110         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 111                 return 0;
 112         return hapd->driver->send_mlme(hapd->drv_priv, msg, len);
 113 }
 114
 115
 116 static int hostapd_send_eapol(struct hostapd_data *hapd, const u8 *addr,
 117                               const u8 *data, size_t data_len, int encrypt)
 118 {
 119         if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
 120                 return 0;
 121         return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
 122                                              data_len, encrypt,
 123                                              hapd->own_addr);
 124 }
 125
 126
 127 static int hostapd_set_authorized(struct hostapd_data *hapd,
 128                                   struct sta_info *sta, int authorized)
 129 {
 130         if (authorized) {
 131                 return hostapd_sta_set_flags(hapd, sta->addr,
 132                                              hostapd_sta_flags_to_drv(
 133                                                      sta->flags),
 134                                              WPA_STA_AUTHORIZED, ~0);
 135         }
 136
 137         return hostapd_sta_set_flags(hapd, sta->addr,
 138                                      hostapd_sta_flags_to_drv(sta->flags),
 139                                      0, ~WPA_STA_AUTHORIZED);
 140 }
 141
 142
 143 static int hostapd_set_key(const char *ifname, struct hostapd_data *hapd,
 144                            enum wpa_alg alg, const u8 *addr, int key_idx,
 145                            int set_tx, const u8 *seq, size_t seq_len,
 146                            const u8 *key, size_t key_len)
 147 {
 148         if (hapd->driver == NULL || hapd->driver->set_key == NULL)
 149                 return 0;
 150         return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
 151                                      key_idx, set_tx, seq, seq_len, key,
 152                                      key_len);
 153 }
 154
 155
 156 static int hostapd_read_sta_data(struct hostapd_data *hapd,
 157                                  struct hostap_sta_driver_data *data,
 158                                  const u8 *addr)
 159 {
 160         if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
 161                 return -1;
 162         return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
 163 }
 164
 165
 166 static int hostapd_sta_clear_stats(struct hostapd_data *hapd, const u8 *addr)
 167 {
 168         if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
 169                 return 0;
 170         return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
 171 }
 172
 173
 174 static int hostapd_set_sta_flags(struct hostapd_data *hapd,
 175                                  struct sta_info *sta)
 176 {
 177         int set_flags, total_flags, flags_and, flags_or;
 178         total_flags = hostapd_sta_flags_to_drv(sta->flags);
 179         set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
 180         if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
 181              sta->auth_alg == WLAN_AUTH_FT) &&
 182             sta->flags & WLAN_STA_AUTHORIZED)
 183                 set_flags |= WPA_STA_AUTHORIZED;
 184         flags_or = total_flags & set_flags;
 185         flags_and = total_flags | ~set_flags;
 186         return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
 187                                      flags_or, flags_and);
 188 }
 189
 190
 191 static int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd,
 192                                      const char *ifname, int enabled)
 193 {
 194         struct wpa_bss_params params;
 195         os_memset(&params, 0, sizeof(params));
 196         params.ifname = ifname;
 197         params.enabled = enabled;
 198         if (enabled) {
 199                 params.wpa = hapd->conf->wpa;
 200                 params.ieee802_1x = hapd->conf->ieee802_1x;
 201                 params.wpa_group = hapd->conf->wpa_group;
 202                 params.wpa_pairwise = hapd->conf->wpa_pairwise;
 203                 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
 204                 params.rsn_preauth = hapd->conf->rsn_preauth;
 205         }
 206         return hostapd_set_ieee8021x(hapd, &params);
 207 }
 208
 209
 210 static int hostapd_set_radius_acl_auth(struct hostapd_data *hapd,
 211                                        const u8 *mac, int accepted,
 212                                        u32 session_timeout)
 213 {
 214         if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
 215                 return 0;
 216         return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
 217                                                  session_timeout);
 218 }
 219
 220
 221 static int hostapd_set_radius_acl_expire(struct hostapd_data *hapd,
 222                                          const u8 *mac)
 223 {
 224         if (hapd->driver == NULL ||
 225             hapd->driver->set_radius_acl_expire == NULL)
 226                 return 0;
 227         return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
 228 }
 229
 230
 231 static int hostapd_set_bss_params(struct hostapd_data *hapd,
 232                                   int use_protection)
 233 {
 234         int ret = 0;
 235         int preamble;
 236 #ifdef CONFIG_IEEE80211N
 237         u8 buf[60], *ht_capab, *ht_oper, *pos;
 238
 239         pos = buf;
 240         ht_capab = pos;
 241         pos = hostapd_eid_ht_capabilities(hapd, pos);
 242         ht_oper = pos;
 243         pos = hostapd_eid_ht_operation(hapd, pos);
 244         if (pos > ht_oper && ht_oper > ht_capab &&
 245             hostapd_set_ht_params(hapd, ht_capab + 2, ht_capab[1],
 246                                   ht_oper + 2, ht_oper[1])) {
 247                 wpa_printf(MSG_ERROR, "Could not set HT capabilities "
 248                            "for kernel driver");
 249                 ret = -1;
 250         }
 251
 252 #endif /* CONFIG_IEEE80211N */
 253
 254         if (hostapd_set_cts_protect(hapd, use_protection)) {
 255                 wpa_printf(MSG_ERROR, "Failed to set CTS protect in kernel "
 256                            "driver");
 257                 ret = -1;
 258         }
 259
 260         if (hapd->iface->current_mode &&
 261             hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G &&
 262             hostapd_set_short_slot_time(hapd,
 263                                         hapd->iface->num_sta_no_short_slot_time
 264                                         > 0 ? 0 : 1)) {
 265                 wpa_printf(MSG_ERROR, "Failed to set Short Slot Time option "
 266                            "in kernel driver");
 267                 ret = -1;
 268         }
 269
 270         if (hapd->iface->num_sta_no_short_preamble == 0 &&
 271             hapd->iconf->preamble == SHORT_PREAMBLE)
 272                 preamble = SHORT_PREAMBLE;
 273         else
 274                 preamble = LONG_PREAMBLE;
 275         if (hostapd_set_preamble(hapd, preamble)) {
 276                 wpa_printf(MSG_ERROR, "Could not set preamble for kernel "
 277                            "driver");
 278                 ret = -1;
 279         }
 280
 281         return ret;
 282 }
 283
 284
 285 static int hostapd_set_beacon(struct hostapd_data *hapd,
 286                               const u8 *head, size_t head_len,
 287                               const u8 *tail, size_t tail_len, int dtim_period,
 288                               int beacon_int)
 289 {
 290         if (hapd->driver == NULL || hapd->driver->set_beacon == NULL)
 291                 return 0;
 292         return hapd->driver->set_beacon(hapd->drv_priv,
 293                                         head, head_len, tail, tail_len,
 294                                         dtim_period, beacon_int);
 295 }
 296
 297
 298 static int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
 299 {
 300         char force_ifname[IFNAMSIZ];
 301         u8 if_addr[ETH_ALEN];
 302         return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, NULL, NULL, NULL,
 303                               force_ifname, if_addr);
 304 }
 305
 306 static int hostapd_vlan_if_remove(struct hostapd_data *hapd,
 307                                   const char *ifname)
 308 {
 309         return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
 310 }
 311
 312
 313 static int hostapd_set_wds_sta(struct hostapd_data *hapd, const u8 *addr,
 314                                int aid, int val)
 315 {
 316         if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
 317                 return 0;
 318         return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val);
 319 }
 320
 321
 322 static int hostapd_set_sta_vlan(const char *ifname, struct hostapd_data *hapd,
 323                                 const u8 *addr, int vlan_id)
 324 {
 325         if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
 326                 return 0;
 327         return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname,
 328                                           vlan_id);
 329 }
 330
 331
 332 static int hostapd_get_inact_sec(struct hostapd_data *hapd, const u8 *addr)
 333 {
 334         if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
 335                 return 0;
 336         return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
 337 }
 338
 339
 340 static int hostapd_sta_deauth(struct hostapd_data *hapd, const u8 *addr,
 341                               int reason)
 342 {
 343         if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
 344                 return 0;
 345         return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
 346                                         reason);
 347 }
 348
 349
 350 static int hostapd_sta_disassoc(struct hostapd_data *hapd, const u8 *addr,
 351                                 int reason)
 352 {
 353         if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
 354                 return 0;
 355         return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 356                                           reason);
 357 }
 358
 359
 360 static 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 {
 366         struct hostapd_sta_add_params params;
 367
 368         if (hapd->driver == NULL)
 369                 return 0;
 370         if (hapd->driver->sta_add == NULL)
 371                 return 0;
 372
 373         os_memset(&params, 0, sizeof(params));
 374         params.addr = addr;
 375         params.aid = aid;
 376         params.capability = capability;
 377         params.supp_rates = supp_rates;
 378         params.supp_rates_len = supp_rates_len;
 379         params.listen_interval = listen_interval;
 380         params.ht_capabilities = ht_capab;
 381         return hapd->driver->sta_add(hapd->drv_priv, &params);
 382 }
 383
 384
 385 static int hostapd_sta_remove(struct hostapd_data *hapd, const u8 *addr)
 386 {
 387         if (hapd->driver == NULL || hapd->driver->sta_remove == NULL)
 388                 return 0;
 389         return hapd->driver->sta_remove(hapd->drv_priv, addr);
 390 }
 391
 392
 393 static int hostapd_set_countermeasures(struct hostapd_data *hapd, int enabled)
 394 {
 395         if (hapd->driver == NULL ||
 396             hapd->driver->hapd_set_countermeasures == NULL)
 397                 return 0;
 398         return hapd->driver->hapd_set_countermeasures(hapd->drv_priv, enabled);
 399 }
 400
 401
 402 void hostapd_set_driver_ops(struct hostapd_driver_ops *ops)
 403 {
 404         ops->set_ap_wps_ie = hostapd_set_ap_wps_ie;
 405         ops->send_mgmt_frame = hostapd_send_mgmt_frame;
 406         ops->send_eapol = hostapd_send_eapol;
 407         ops->set_authorized = hostapd_set_authorized;
 408         ops->set_key = hostapd_set_key;
 409         ops->read_sta_data = hostapd_read_sta_data;
 410         ops->sta_clear_stats = hostapd_sta_clear_stats;
 411         ops->set_sta_flags = hostapd_set_sta_flags;
 412         ops->set_drv_ieee8021x = hostapd_set_drv_ieee8021x;
 413         ops->set_radius_acl_auth = hostapd_set_radius_acl_auth;
 414         ops->set_radius_acl_expire = hostapd_set_radius_acl_expire;
 415         ops->set_bss_params = hostapd_set_bss_params;
 416         ops->set_beacon = hostapd_set_beacon;
 417         ops->vlan_if_add = hostapd_vlan_if_add;
 418         ops->vlan_if_remove = hostapd_vlan_if_remove;
 419         ops->set_wds_sta = hostapd_set_wds_sta;
 420         ops->set_sta_vlan = hostapd_set_sta_vlan;
 421         ops->get_inact_sec = hostapd_get_inact_sec;
 422         ops->sta_deauth = hostapd_sta_deauth;
 423         ops->sta_disassoc = hostapd_sta_disassoc;
 424         ops->sta_add = hostapd_sta_add;
 425         ops->sta_remove = hostapd_sta_remove;
 426         ops->set_countermeasures = hostapd_set_countermeasures;
 427 }
 428
 429
 430 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
 431 {
 432         if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
 433                 return 0;
 434         return hapd->driver->set_privacy(hapd->drv_priv, enabled);
 435 }
 436
 437
 438 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
 439                              size_t elem_len)
 440 {
 441         if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
 442                 return 0;
 443         return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
 444 }
 445
 446
 447 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
 448 {
 449         if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
 450                 return 0;
 451         return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
 452 }
 453
 454
 455 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
 456 {
 457         if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
 458                 return 0;
 459         return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
 460 }
 461
 462
 463 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 464                    const char *ifname, const u8 *addr, void *bss_ctx,
 465                    void **drv_priv, char *force_ifname, u8 *if_addr)
 466 {
 467         if (hapd->driver == NULL || hapd->driver->if_add == NULL)
 468                 return -1;
 469         return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
 470                                     bss_ctx, drv_priv, force_ifname, if_addr);
 471 }
 472
 473
 474 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 475                       const char *ifname)
 476 {
 477         if (hapd->driver == NULL || hapd->driver->if_remove == NULL)
 478                 return -1;
 479         return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
 480 }
 481
 482
 483 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
 484                           struct wpa_bss_params *params)
 485 {
 486         if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
 487                 return 0;
 488         return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
 489 }
 490
 491
 492 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
 493                        const u8 *addr, int idx, u8 *seq)
 494 {
 495         if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
 496                 return 0;
 497         return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
 498                                         seq);
 499 }
 500
 501
 502 int hostapd_flush(struct hostapd_data *hapd)
 503 {
 504         if (hapd->driver == NULL || hapd->driver->flush == NULL)
 505                 return 0;
 506         return hapd->driver->flush(hapd->drv_priv);
 507 }
 508
 509
 510 int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
 511                      int channel, int ht_enabled, int sec_channel_offset)
 512 {
 513         struct hostapd_freq_params data;
 514         if (hapd->driver == NULL)
 515                 return 0;
 516         if (hapd->driver->set_freq == NULL)
 517                 return 0;
 518         os_memset(&data, 0, sizeof(data));
 519         data.mode = mode;
 520         data.freq = freq;
 521         data.channel = channel;
 522         data.ht_enabled = ht_enabled;
 523         data.sec_channel_offset = sec_channel_offset;
 524         return hapd->driver->set_freq(hapd->drv_priv, &data);
 525 }
 526
 527 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
 528 {
 529         if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
 530                 return 0;
 531         return hapd->driver->set_rts(hapd->drv_priv, rts);
 532 }
 533
 534
 535 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
 536 {
 537         if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
 538                 return 0;
 539         return hapd->driver->set_frag(hapd->drv_priv, frag);
 540 }
 541
 542
 543 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 544                           int total_flags, int flags_or, int flags_and)
 545 {
 546         if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
 547                 return 0;
 548         return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
 549                                            flags_or, flags_and);
 550 }
 551
 552
 553 int hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
 554                           int *basic_rates, int mode)
 555 {
 556         if (hapd->driver == NULL || hapd->driver->set_rate_sets == NULL)
 557                 return 0;
 558         return hapd->driver->set_rate_sets(hapd->drv_priv, supp_rates,
 559                                            basic_rates, mode);
 560 }
 561
 562
 563 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
 564 {
 565         if (hapd->driver == NULL ||
 566             hapd->driver->set_country == NULL)
 567                 return 0;
 568         return hapd->driver->set_country(hapd->drv_priv, country);
 569 }
 570
 571
 572 int hostapd_set_cts_protect(struct hostapd_data *hapd, int value)
 573 {
 574         if (hapd->driver == NULL || hapd->driver->set_cts_protect == NULL)
 575                 return 0;
 576         return hapd->driver->set_cts_protect(hapd->drv_priv, value);
 577 }
 578
 579
 580 int hostapd_set_preamble(struct hostapd_data *hapd, int value)
 581 {
 582         if (hapd->driver == NULL || hapd->driver->set_preamble == NULL)
 583                 return 0;
 584         return hapd->driver->set_preamble(hapd->drv_priv, value);
 585 }
 586
 587
 588 int hostapd_set_short_slot_time(struct hostapd_data *hapd, int value)
 589 {
 590         if (hapd->driver == NULL || hapd->driver->set_short_slot_time == NULL)
 591                 return 0;
 592         return hapd->driver->set_short_slot_time(hapd->drv_priv, value);
 593 }
 594
 595
 596 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 597                                 int cw_min, int cw_max, int burst_time)
 598 {
 599         if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
 600                 return 0;
 601         return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
 602                                                  cw_min, cw_max, burst_time);
 603 }
 604
 605
 606 int hostapd_valid_bss_mask(struct hostapd_data *hapd, const u8 *addr,
 607                            const u8 *mask)
 608 {
 609         if (hapd->driver == NULL || hapd->driver->valid_bss_mask == NULL)
 610                 return 1;
 611         return hapd->driver->valid_bss_mask(hapd->drv_priv, addr, mask);
 612 }
 613
 614
 615 struct hostapd_hw_modes *
 616 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 617                             u16 *flags)
 618 {
 619         if (hapd->driver == NULL ||
 620             hapd->driver->get_hw_feature_data == NULL)
 621                 return NULL;
 622         return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
 623                                                  flags);
 624 }
 625
 626
 627 int hostapd_driver_commit(struct hostapd_data *hapd)
 628 {
 629         if (hapd->driver == NULL || hapd->driver->commit == NULL)
 630                 return 0;
 631         return hapd->driver->commit(hapd->drv_priv);
 632 }
 633
 634
 635 int hostapd_set_ht_params(struct hostapd_data *hapd,
 636                           const u8 *ht_capab, size_t ht_capab_len,
 637                           const u8 *ht_oper, size_t ht_oper_len)
 638 {
 639         if (hapd->driver == NULL || hapd->driver->set_ht_params == NULL ||
 640             ht_capab == NULL || ht_oper == NULL)
 641                 return 0;
 642         return hapd->driver->set_ht_params(hapd->drv_priv,
 643                                            ht_capab, ht_capab_len,
 644                                            ht_oper, ht_oper_len);
 645 }
 646
 647
 648 int hostapd_drv_none(struct hostapd_data *hapd)
 649 {
 650         return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
 651 }
 652
 653
 654 int hostapd_driver_scan(struct hostapd_data *hapd,
 655                         struct wpa_driver_scan_params *params)
 656 {
 657         if (hapd->driver && hapd->driver->scan2)
 658                 return hapd->driver->scan2(hapd->drv_priv, params);
 659         return -1;
 660 }
 661
 662
 663 struct wpa_scan_results * hostapd_driver_get_scan_results(
 664         struct hostapd_data *hapd)
 665 {
 666         if (hapd->driver && hapd->driver->get_scan_results2)
 667                 return hapd->driver->get_scan_results2(hapd->drv_priv);
 668         return NULL;
 669 }
 670
 671
 672 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
 673                            int duration)
 674 {
 675         if (hapd->driver && hapd->driver->set_noa)
 676                 return hapd->driver->set_noa(hapd->drv_priv, count, start,
 677                                              duration);
 678         return -1;
 679 }