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 "p2p_hostapd.h"
  26 #include "ap_drv_ops.h"
  27
  28
  29 static int hostapd_sta_flags_to_drv(int flags)
  30 {
  31         int res = 0;
  32         if (flags & WLAN_STA_AUTHORIZED)
  33                 res |= WPA_STA_AUTHORIZED;
  34         if (flags & WLAN_STA_WMM)
  35                 res |= WPA_STA_WMM;
  36         if (flags & WLAN_STA_SHORT_PREAMBLE)
  37                 res |= WPA_STA_SHORT_PREAMBLE;
  38         if (flags & WLAN_STA_MFP)
  39                 res |= WPA_STA_MFP;
  40         return res;
  41 }
  42
  43
  44 static int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
  45 {
  46         struct wpabuf *beacon, *proberesp, *assocresp = NULL;
  47         int ret;
  48
  49         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
  50                 return 0;
  51
  52         beacon = hapd->wps_beacon_ie;
  53         proberesp = hapd->wps_probe_resp_ie;
  54
  55 #ifdef CONFIG_P2P
  56         if (hapd->wps_beacon_ie == NULL && hapd->p2p_beacon_ie == NULL)
  57                 beacon = NULL;
  58         else {
  59                 beacon = wpabuf_alloc((hapd->wps_beacon_ie ?
  60                                        wpabuf_len(hapd->wps_beacon_ie) : 0) +
  61                                       (hapd->p2p_beacon_ie ?
  62                                        wpabuf_len(hapd->p2p_beacon_ie) : 0));
  63                 if (beacon == NULL)
  64                         return -1;
  65                 if (hapd->wps_beacon_ie)
  66                         wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
  67                 if (hapd->p2p_beacon_ie)
  68                         wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
  69         }
  70
  71         if (hapd->wps_probe_resp_ie == NULL && hapd->p2p_probe_resp_ie == NULL)
  72                 proberesp = NULL;
  73         else {
  74                 proberesp = wpabuf_alloc(
  75                         (hapd->wps_probe_resp_ie ?
  76                          wpabuf_len(hapd->wps_probe_resp_ie) : 0) +
  77                         (hapd->p2p_probe_resp_ie ?
  78                          wpabuf_len(hapd->p2p_probe_resp_ie) : 0));
  79                 if (proberesp == NULL) {
  80                         wpabuf_free(beacon);
  81                         return -1;
  82                 }
  83                 if (hapd->wps_probe_resp_ie)
  84                         wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
  85                 if (hapd->p2p_probe_resp_ie)
  86                         wpabuf_put_buf(proberesp, hapd->p2p_probe_resp_ie);
  87         }
  88 #endif /* CONFIG_P2P */
  89
  90 #ifdef CONFIG_P2P_MANAGER
  91         if (hapd->conf->p2p & P2P_MANAGE) {
  92                 struct wpabuf *a;
  93
  94                 a = wpabuf_alloc(100 + (beacon ? wpabuf_len(beacon) : 0));
  95                 if (a) {
  96                         u8 *start, *p;
  97                         if (beacon)
  98                                 wpabuf_put_buf(a, beacon);
  99                         if (beacon != hapd->wps_beacon_ie)
 100                                 wpabuf_free(beacon);
 101                         start = wpabuf_put(a, 0);
 102                         p = hostapd_eid_p2p_manage(hapd, start);
 103                         wpabuf_put(a, p - start);
 104                         beacon = a;
 105                 }
 106
 107                 a = wpabuf_alloc(100 + (proberesp ? wpabuf_len(proberesp) :
 108                                         0));
 109                 if (a) {
 110                         u8 *start, *p;
 111                         if (proberesp)
 112                                 wpabuf_put_buf(a, proberesp);
 113                         if (proberesp != hapd->wps_probe_resp_ie)
 114                                 wpabuf_free(proberesp);
 115                         start = wpabuf_put(a, 0);
 116                         p = hostapd_eid_p2p_manage(hapd, start);
 117                         wpabuf_put(a, p - start);
 118                         proberesp = a;
 119                 }
 120         }
 121 #endif /* CONFIG_P2P_MANAGER */
 122
 123 #ifdef CONFIG_WPS2
 124         if (hapd->conf->wps_state)
 125                 assocresp = wps_build_assoc_resp_ie();
 126 #endif /* CONFIG_WPS2 */
 127
 128 #ifdef CONFIG_P2P_MANAGER
 129         if (hapd->conf->p2p & P2P_MANAGE) {
 130                 struct wpabuf *a;
 131                 a = wpabuf_alloc(100 + (assocresp ? wpabuf_len(assocresp) :
 132                                         0));
 133                 if (a) {
 134                         u8 *start, *p;
 135                         start = wpabuf_put(a, 0);
 136                         p = hostapd_eid_p2p_manage(hapd, start);
 137                         wpabuf_put(a, p - start);
 138                         if (assocresp) {
 139                                 wpabuf_put_buf(a, assocresp);
 140                                 wpabuf_free(assocresp);
 141                         }
 142                         assocresp = a;
 143                 }
 144         }
 145 #endif /* CONFIG_P2P_MANAGER */
 146
 147         ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
 148                                           assocresp);
 149
 150         if (beacon != hapd->wps_beacon_ie)
 151                 wpabuf_free(beacon);
 152         if (proberesp != hapd->wps_probe_resp_ie)
 153                 wpabuf_free(proberesp);
 154         wpabuf_free(assocresp);
 155
 156         return ret;
 157 }
 158
 159
 160 static int hostapd_send_mgmt_frame(struct hostapd_data *hapd, const void *msg,
 161                            size_t len)
 162 {
 163         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 164                 return 0;
 165         return hapd->driver->send_mlme(hapd->drv_priv, msg, len);
 166 }
 167
 168
 169 static int hostapd_send_eapol(struct hostapd_data *hapd, const u8 *addr,
 170                               const u8 *data, size_t data_len, int encrypt)
 171 {
 172         if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
 173                 return 0;
 174         return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
 175                                              data_len, encrypt,
 176                                              hapd->own_addr);
 177 }
 178
 179
 180 static int hostapd_set_authorized(struct hostapd_data *hapd,
 181                                   struct sta_info *sta, int authorized)
 182 {
 183         if (authorized) {
 184                 return hostapd_sta_set_flags(hapd, sta->addr,
 185                                              hostapd_sta_flags_to_drv(
 186                                                      sta->flags),
 187                                              WPA_STA_AUTHORIZED, ~0);
 188         }
 189
 190         return hostapd_sta_set_flags(hapd, sta->addr,
 191                                      hostapd_sta_flags_to_drv(sta->flags),
 192                                      0, ~WPA_STA_AUTHORIZED);
 193 }
 194
 195
 196 static int hostapd_set_key(const char *ifname, struct hostapd_data *hapd,
 197                            enum wpa_alg alg, const u8 *addr, int key_idx,
 198                            int set_tx, const u8 *seq, size_t seq_len,
 199                            const u8 *key, size_t key_len)
 200 {
 201         if (hapd->driver == NULL || hapd->driver->set_key == NULL)
 202                 return 0;
 203         return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
 204                                      key_idx, set_tx, seq, seq_len, key,
 205                                      key_len);
 206 }
 207
 208
 209 static int hostapd_read_sta_data(struct hostapd_data *hapd,
 210                                  struct hostap_sta_driver_data *data,
 211                                  const u8 *addr)
 212 {
 213         if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
 214                 return -1;
 215         return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
 216 }
 217
 218
 219 static int hostapd_sta_clear_stats(struct hostapd_data *hapd, const u8 *addr)
 220 {
 221         if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
 222                 return 0;
 223         return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
 224 }
 225
 226
 227 static int hostapd_set_sta_flags(struct hostapd_data *hapd,
 228                                  struct sta_info *sta)
 229 {
 230         int set_flags, total_flags, flags_and, flags_or;
 231         total_flags = hostapd_sta_flags_to_drv(sta->flags);
 232         set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
 233         if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
 234              sta->auth_alg == WLAN_AUTH_FT) &&
 235             sta->flags & WLAN_STA_AUTHORIZED)
 236                 set_flags |= WPA_STA_AUTHORIZED;
 237         flags_or = total_flags & set_flags;
 238         flags_and = total_flags | ~set_flags;
 239         return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
 240                                      flags_or, flags_and);
 241 }
 242
 243
 244 static int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd,
 245                                      const char *ifname, int enabled)
 246 {
 247         struct wpa_bss_params params;
 248         os_memset(&params, 0, sizeof(params));
 249         params.ifname = ifname;
 250         params.enabled = enabled;
 251         if (enabled) {
 252                 params.wpa = hapd->conf->wpa;
 253                 params.ieee802_1x = hapd->conf->ieee802_1x;
 254                 params.wpa_group = hapd->conf->wpa_group;
 255                 params.wpa_pairwise = hapd->conf->wpa_pairwise;
 256                 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
 257                 params.rsn_preauth = hapd->conf->rsn_preauth;
 258         }
 259         return hostapd_set_ieee8021x(hapd, &params);
 260 }
 261
 262
 263 static int hostapd_set_radius_acl_auth(struct hostapd_data *hapd,
 264                                        const u8 *mac, int accepted,
 265                                        u32 session_timeout)
 266 {
 267         if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
 268                 return 0;
 269         return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
 270                                                  session_timeout);
 271 }
 272
 273
 274 static int hostapd_set_radius_acl_expire(struct hostapd_data *hapd,
 275                                          const u8 *mac)
 276 {
 277         if (hapd->driver == NULL ||
 278             hapd->driver->set_radius_acl_expire == NULL)
 279                 return 0;
 280         return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
 281 }
 282
 283
 284 static int hostapd_set_bss_params(struct hostapd_data *hapd,
 285                                   int use_protection)
 286 {
 287         int ret = 0;
 288         int preamble;
 289 #ifdef CONFIG_IEEE80211N
 290         u8 buf[60], *ht_capab, *ht_oper, *pos;
 291
 292         pos = buf;
 293         ht_capab = pos;
 294         pos = hostapd_eid_ht_capabilities(hapd, pos);
 295         ht_oper = pos;
 296         pos = hostapd_eid_ht_operation(hapd, pos);
 297         if (pos > ht_oper && ht_oper > ht_capab &&
 298             hostapd_set_ht_params(hapd, ht_capab + 2, ht_capab[1],
 299                                   ht_oper + 2, ht_oper[1])) {
 300                 wpa_printf(MSG_ERROR, "Could not set HT capabilities "
 301                            "for kernel driver");
 302                 ret = -1;
 303         }
 304
 305 #endif /* CONFIG_IEEE80211N */
 306
 307         if (hostapd_set_cts_protect(hapd, use_protection)) {
 308                 wpa_printf(MSG_ERROR, "Failed to set CTS protect in kernel "
 309                            "driver");
 310                 ret = -1;
 311         }
 312
 313         if (hapd->iface->current_mode &&
 314             hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G &&
 315             hostapd_set_short_slot_time(hapd,
 316                                         hapd->iface->num_sta_no_short_slot_time
 317                                         > 0 ? 0 : 1)) {
 318                 wpa_printf(MSG_ERROR, "Failed to set Short Slot Time option "
 319                            "in kernel driver");
 320                 ret = -1;
 321         }
 322
 323         if (hapd->iface->num_sta_no_short_preamble == 0 &&
 324             hapd->iconf->preamble == SHORT_PREAMBLE)
 325                 preamble = SHORT_PREAMBLE;
 326         else
 327                 preamble = LONG_PREAMBLE;
 328         if (hostapd_set_preamble(hapd, preamble)) {
 329                 wpa_printf(MSG_ERROR, "Could not set preamble for kernel "
 330                            "driver");
 331                 ret = -1;
 332         }
 333
 334         return ret;
 335 }
 336
 337
 338 static int hostapd_set_beacon(struct hostapd_data *hapd,
 339                               const u8 *head, size_t head_len,
 340                               const u8 *tail, size_t tail_len, int dtim_period,
 341                               int beacon_int)
 342 {
 343         if (hapd->driver == NULL || hapd->driver->set_beacon == NULL)
 344                 return 0;
 345         return hapd->driver->set_beacon(hapd->drv_priv,
 346                                         head, head_len, tail, tail_len,
 347                                         dtim_period, beacon_int);
 348 }
 349
 350
 351 static int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
 352 {
 353         char force_ifname[IFNAMSIZ];
 354         u8 if_addr[ETH_ALEN];
 355         return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, NULL, NULL, NULL,
 356                               force_ifname, if_addr);
 357 }
 358
 359 static int hostapd_vlan_if_remove(struct hostapd_data *hapd,
 360                                   const char *ifname)
 361 {
 362         return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
 363 }
 364
 365
 366 static int hostapd_set_wds_sta(struct hostapd_data *hapd, const u8 *addr,
 367                                int aid, int val)
 368 {
 369         if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
 370                 return 0;
 371         return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val);
 372 }
 373
 374
 375 static int hostapd_set_sta_vlan(const char *ifname, struct hostapd_data *hapd,
 376                                 const u8 *addr, int vlan_id)
 377 {
 378         if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
 379                 return 0;
 380         return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname,
 381                                           vlan_id);
 382 }
 383
 384
 385 static int hostapd_get_inact_sec(struct hostapd_data *hapd, const u8 *addr)
 386 {
 387         if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
 388                 return 0;
 389         return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
 390 }
 391
 392
 393 static int hostapd_sta_deauth(struct hostapd_data *hapd, const u8 *addr,
 394                               int reason)
 395 {
 396         if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
 397                 return 0;
 398         return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
 399                                         reason);
 400 }
 401
 402
 403 static int hostapd_sta_disassoc(struct hostapd_data *hapd, const u8 *addr,
 404                                 int reason)
 405 {
 406         if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
 407                 return 0;
 408         return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 409                                           reason);
 410 }
 411
 412
 413 static int hostapd_sta_add(struct hostapd_data *hapd,
 414                            const u8 *addr, u16 aid, u16 capability,
 415                            const u8 *supp_rates, size_t supp_rates_len,
 416                            u16 listen_interval,
 417                            const struct ieee80211_ht_capabilities *ht_capab)
 418 {
 419         struct hostapd_sta_add_params params;
 420
 421         if (hapd->driver == NULL)
 422                 return 0;
 423         if (hapd->driver->sta_add == NULL)
 424                 return 0;
 425
 426         os_memset(&params, 0, sizeof(params));
 427         params.addr = addr;
 428         params.aid = aid;
 429         params.capability = capability;
 430         params.supp_rates = supp_rates;
 431         params.supp_rates_len = supp_rates_len;
 432         params.listen_interval = listen_interval;
 433         params.ht_capabilities = ht_capab;
 434         return hapd->driver->sta_add(hapd->drv_priv, &params);
 435 }
 436
 437
 438 static int hostapd_sta_remove(struct hostapd_data *hapd, const u8 *addr)
 439 {
 440         if (hapd->driver == NULL || hapd->driver->sta_remove == NULL)
 441                 return 0;
 442         return hapd->driver->sta_remove(hapd->drv_priv, addr);
 443 }
 444
 445
 446 static int hostapd_set_countermeasures(struct hostapd_data *hapd, int enabled)
 447 {
 448         if (hapd->driver == NULL ||
 449             hapd->driver->hapd_set_countermeasures == NULL)
 450                 return 0;
 451         return hapd->driver->hapd_set_countermeasures(hapd->drv_priv, enabled);
 452 }
 453
 454
 455 void hostapd_set_driver_ops(struct hostapd_driver_ops *ops)
 456 {
 457         ops->set_ap_wps_ie = hostapd_set_ap_wps_ie;
 458         ops->send_mgmt_frame = hostapd_send_mgmt_frame;
 459         ops->send_eapol = hostapd_send_eapol;
 460         ops->set_authorized = hostapd_set_authorized;
 461         ops->set_key = hostapd_set_key;
 462         ops->read_sta_data = hostapd_read_sta_data;
 463         ops->sta_clear_stats = hostapd_sta_clear_stats;
 464         ops->set_sta_flags = hostapd_set_sta_flags;
 465         ops->set_drv_ieee8021x = hostapd_set_drv_ieee8021x;
 466         ops->set_radius_acl_auth = hostapd_set_radius_acl_auth;
 467         ops->set_radius_acl_expire = hostapd_set_radius_acl_expire;
 468         ops->set_bss_params = hostapd_set_bss_params;
 469         ops->set_beacon = hostapd_set_beacon;
 470         ops->vlan_if_add = hostapd_vlan_if_add;
 471         ops->vlan_if_remove = hostapd_vlan_if_remove;
 472         ops->set_wds_sta = hostapd_set_wds_sta;
 473         ops->set_sta_vlan = hostapd_set_sta_vlan;
 474         ops->get_inact_sec = hostapd_get_inact_sec;
 475         ops->sta_deauth = hostapd_sta_deauth;
 476         ops->sta_disassoc = hostapd_sta_disassoc;
 477         ops->sta_add = hostapd_sta_add;
 478         ops->sta_remove = hostapd_sta_remove;
 479         ops->set_countermeasures = hostapd_set_countermeasures;
 480 }
 481
 482
 483 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
 484 {
 485         if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
 486                 return 0;
 487         return hapd->driver->set_privacy(hapd->drv_priv, enabled);
 488 }
 489
 490
 491 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
 492                              size_t elem_len)
 493 {
 494         if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
 495                 return 0;
 496         return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
 497 }
 498
 499
 500 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
 501 {
 502         if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
 503                 return 0;
 504         return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
 505 }
 506
 507
 508 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
 509 {
 510         if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
 511                 return 0;
 512         return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
 513 }
 514
 515
 516 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 517                    const char *ifname, const u8 *addr, void *bss_ctx,
 518                    void **drv_priv, char *force_ifname, u8 *if_addr)
 519 {
 520         if (hapd->driver == NULL || hapd->driver->if_add == NULL)
 521                 return -1;
 522         return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
 523                                     bss_ctx, drv_priv, force_ifname, if_addr);
 524 }
 525
 526
 527 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 528                       const char *ifname)
 529 {
 530         if (hapd->driver == NULL || hapd->driver->if_remove == NULL)
 531                 return -1;
 532         return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
 533 }
 534
 535
 536 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
 537                           struct wpa_bss_params *params)
 538 {
 539         if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
 540                 return 0;
 541         return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
 542 }
 543
 544
 545 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
 546                        const u8 *addr, int idx, u8 *seq)
 547 {
 548         if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
 549                 return 0;
 550         return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
 551                                         seq);
 552 }
 553
 554
 555 int hostapd_flush(struct hostapd_data *hapd)
 556 {
 557         if (hapd->driver == NULL || hapd->driver->flush == NULL)
 558                 return 0;
 559         return hapd->driver->flush(hapd->drv_priv);
 560 }
 561
 562
 563 int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
 564                      int channel, int ht_enabled, int sec_channel_offset)
 565 {
 566         struct hostapd_freq_params data;
 567         if (hapd->driver == NULL)
 568                 return 0;
 569         if (hapd->driver->set_freq == NULL)
 570                 return 0;
 571         os_memset(&data, 0, sizeof(data));
 572         data.mode = mode;
 573         data.freq = freq;
 574         data.channel = channel;
 575         data.ht_enabled = ht_enabled;
 576         data.sec_channel_offset = sec_channel_offset;
 577         return hapd->driver->set_freq(hapd->drv_priv, &data);
 578 }
 579
 580 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
 581 {
 582         if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
 583                 return 0;
 584         return hapd->driver->set_rts(hapd->drv_priv, rts);
 585 }
 586
 587
 588 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
 589 {
 590         if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
 591                 return 0;
 592         return hapd->driver->set_frag(hapd->drv_priv, frag);
 593 }
 594
 595
 596 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 597                           int total_flags, int flags_or, int flags_and)
 598 {
 599         if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
 600                 return 0;
 601         return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
 602                                            flags_or, flags_and);
 603 }
 604
 605
 606 int hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
 607                           int *basic_rates, int mode)
 608 {
 609         if (hapd->driver == NULL || hapd->driver->set_rate_sets == NULL)
 610                 return 0;
 611         return hapd->driver->set_rate_sets(hapd->drv_priv, supp_rates,
 612                                            basic_rates, mode);
 613 }
 614
 615
 616 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
 617 {
 618         if (hapd->driver == NULL ||
 619             hapd->driver->set_country == NULL)
 620                 return 0;
 621         return hapd->driver->set_country(hapd->drv_priv, country);
 622 }
 623
 624
 625 int hostapd_set_cts_protect(struct hostapd_data *hapd, int value)
 626 {
 627         if (hapd->driver == NULL || hapd->driver->set_cts_protect == NULL)
 628                 return 0;
 629         return hapd->driver->set_cts_protect(hapd->drv_priv, value);
 630 }
 631
 632
 633 int hostapd_set_preamble(struct hostapd_data *hapd, int value)
 634 {
 635         if (hapd->driver == NULL || hapd->driver->set_preamble == NULL)
 636                 return 0;
 637         return hapd->driver->set_preamble(hapd->drv_priv, value);
 638 }
 639
 640
 641 int hostapd_set_short_slot_time(struct hostapd_data *hapd, int value)
 642 {
 643         if (hapd->driver == NULL || hapd->driver->set_short_slot_time == NULL)
 644                 return 0;
 645         return hapd->driver->set_short_slot_time(hapd->drv_priv, value);
 646 }
 647
 648
 649 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 650                                 int cw_min, int cw_max, int burst_time)
 651 {
 652         if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
 653                 return 0;
 654         return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
 655                                                  cw_min, cw_max, burst_time);
 656 }
 657
 658
 659 int hostapd_valid_bss_mask(struct hostapd_data *hapd, const u8 *addr,
 660                            const u8 *mask)
 661 {
 662         if (hapd->driver == NULL || hapd->driver->valid_bss_mask == NULL)
 663                 return 1;
 664         return hapd->driver->valid_bss_mask(hapd->drv_priv, addr, mask);
 665 }
 666
 667
 668 struct hostapd_hw_modes *
 669 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 670                             u16 *flags)
 671 {
 672         if (hapd->driver == NULL ||
 673             hapd->driver->get_hw_feature_data == NULL)
 674                 return NULL;
 675         return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
 676                                                  flags);
 677 }
 678
 679
 680 int hostapd_driver_commit(struct hostapd_data *hapd)
 681 {
 682         if (hapd->driver == NULL || hapd->driver->commit == NULL)
 683                 return 0;
 684         return hapd->driver->commit(hapd->drv_priv);
 685 }
 686
 687
 688 int hostapd_set_ht_params(struct hostapd_data *hapd,
 689                           const u8 *ht_capab, size_t ht_capab_len,
 690                           const u8 *ht_oper, size_t ht_oper_len)
 691 {
 692         if (hapd->driver == NULL || hapd->driver->set_ht_params == NULL ||
 693             ht_capab == NULL || ht_oper == NULL)
 694                 return 0;
 695         return hapd->driver->set_ht_params(hapd->drv_priv,
 696                                            ht_capab, ht_capab_len,
 697                                            ht_oper, ht_oper_len);
 698 }
 699
 700
 701 int hostapd_drv_none(struct hostapd_data *hapd)
 702 {
 703         return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
 704 }
 705
 706
 707 int hostapd_driver_scan(struct hostapd_data *hapd,
 708                         struct wpa_driver_scan_params *params)
 709 {
 710         if (hapd->driver && hapd->driver->scan2)
 711                 return hapd->driver->scan2(hapd->drv_priv, params);
 712         return -1;
 713 }
 714
 715
 716 struct wpa_scan_results * hostapd_driver_get_scan_results(
 717         struct hostapd_data *hapd)
 718 {
 719         if (hapd->driver && hapd->driver->get_scan_results2)
 720                 return hapd->driver->get_scan_results2(hapd->drv_priv);
 721         return NULL;
 722 }
 723
 724
 725 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
 726                            int duration)
 727 {
 728         if (hapd->driver && hapd->driver->set_noa)
 729                 return hapd->driver->set_noa(hapd->drv_priv, count, start,
 730                                              duration);
 731         return -1;
 732 }