src/ap/ap_drv_ops.c

   1 /*
   2  * hostapd - Driver operations
   3  * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "common/ieee802_11_defs.h"
  13 #include "common/hw_features_common.h"
  14 #include "wps/wps.h"
  15 #include "p2p/p2p.h"
  16 #include "hostapd.h"
  17 #include "ieee802_11.h"
  18 #include "sta_info.h"
  19 #include "ap_config.h"
  20 #include "p2p_hostapd.h"
  21 #include "hs20.h"
  22 #include "ap_drv_ops.h"
  23
  24
  25 u32 hostapd_sta_flags_to_drv(u32 flags)
  26 {
  27         int res = 0;
  28         if (flags & WLAN_STA_AUTHORIZED)
  29                 res |= WPA_STA_AUTHORIZED;
  30         if (flags & WLAN_STA_WMM)
  31                 res |= WPA_STA_WMM;
  32         if (flags & WLAN_STA_SHORT_PREAMBLE)
  33                 res |= WPA_STA_SHORT_PREAMBLE;
  34         if (flags & WLAN_STA_MFP)
  35                 res |= WPA_STA_MFP;
  36         if (flags & WLAN_STA_AUTH)
  37                 res |= WPA_STA_AUTHENTICATED;
  38         if (flags & WLAN_STA_ASSOC)
  39                 res |= WPA_STA_ASSOCIATED;
  40         return res;
  41 }
  42
  43
  44 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
  45                                struct wpabuf **beacon_ret,
  46                                struct wpabuf **proberesp_ret,
  47                                struct wpabuf **assocresp_ret)
  48 {
  49         struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
  50         u8 buf[200], *pos;
  51
  52         *beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
  53
  54         pos = buf;
  55         pos = hostapd_eid_time_adv(hapd, pos);
  56         if (pos != buf) {
  57                 if (wpabuf_resize(&beacon, pos - buf) != 0)
  58                         goto fail;
  59                 wpabuf_put_data(beacon, buf, pos - buf);
  60         }
  61         pos = hostapd_eid_time_zone(hapd, pos);
  62         if (pos != buf) {
  63                 if (wpabuf_resize(&proberesp, pos - buf) != 0)
  64                         goto fail;
  65                 wpabuf_put_data(proberesp, buf, pos - buf);
  66         }
  67
  68         pos = buf;
  69         pos = hostapd_eid_ext_capab(hapd, pos);
  70         if (pos != buf) {
  71                 if (wpabuf_resize(&assocresp, pos - buf) != 0)
  72                         goto fail;
  73                 wpabuf_put_data(assocresp, buf, pos - buf);
  74         }
  75         pos = hostapd_eid_interworking(hapd, pos);
  76         pos = hostapd_eid_adv_proto(hapd, pos);
  77         pos = hostapd_eid_roaming_consortium(hapd, pos);
  78         if (pos != buf) {
  79                 if (wpabuf_resize(&beacon, pos - buf) != 0)
  80                         goto fail;
  81                 wpabuf_put_data(beacon, buf, pos - buf);
  82
  83                 if (wpabuf_resize(&proberesp, pos - buf) != 0)
  84                         goto fail;
  85                 wpabuf_put_data(proberesp, buf, pos - buf);
  86         }
  87
  88 #ifdef CONFIG_FST
  89         if (hapd->iface->fst_ies) {
  90                 size_t add = wpabuf_len(hapd->iface->fst_ies);
  91
  92                 if (wpabuf_resize(&beacon, add) < 0)
  93                         goto fail;
  94                 wpabuf_put_buf(beacon, hapd->iface->fst_ies);
  95                 if (wpabuf_resize(&proberesp, add) < 0)
  96                         goto fail;
  97                 wpabuf_put_buf(proberesp, hapd->iface->fst_ies);
  98                 if (wpabuf_resize(&assocresp, add) < 0)
  99                         goto fail;
 100                 wpabuf_put_buf(assocresp, hapd->iface->fst_ies);
 101         }
 102 #endif /* CONFIG_FST */
 103
 104         if (hapd->wps_beacon_ie) {
 105                 if (wpabuf_resize(&beacon, wpabuf_len(hapd->wps_beacon_ie)) <
 106                     0)
 107                         goto fail;
 108                 wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
 109         }
 110
 111         if (hapd->wps_probe_resp_ie) {
 112                 if (wpabuf_resize(&proberesp,
 113                                   wpabuf_len(hapd->wps_probe_resp_ie)) < 0)
 114                         goto fail;
 115                 wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
 116         }
 117
 118 #ifdef CONFIG_P2P
 119         if (hapd->p2p_beacon_ie) {
 120                 if (wpabuf_resize(&beacon, wpabuf_len(hapd->p2p_beacon_ie)) <
 121                     0)
 122                         goto fail;
 123                 wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
 124         }
 125
 126         if (hapd->p2p_probe_resp_ie) {
 127                 if (wpabuf_resize(&proberesp,
 128                                   wpabuf_len(hapd->p2p_probe_resp_ie)) < 0)
 129                         goto fail;
 130                 wpabuf_put_buf(proberesp, hapd->p2p_probe_resp_ie);
 131         }
 132 #endif /* CONFIG_P2P */
 133
 134 #ifdef CONFIG_P2P_MANAGER
 135         if (hapd->conf->p2p & P2P_MANAGE) {
 136                 if (wpabuf_resize(&beacon, 100) == 0) {
 137                         u8 *start, *p;
 138                         start = wpabuf_put(beacon, 0);
 139                         p = hostapd_eid_p2p_manage(hapd, start);
 140                         wpabuf_put(beacon, p - start);
 141                 }
 142
 143                 if (wpabuf_resize(&proberesp, 100) == 0) {
 144                         u8 *start, *p;
 145                         start = wpabuf_put(proberesp, 0);
 146                         p = hostapd_eid_p2p_manage(hapd, start);
 147                         wpabuf_put(proberesp, p - start);
 148                 }
 149         }
 150 #endif /* CONFIG_P2P_MANAGER */
 151
 152 #ifdef CONFIG_WPS
 153         if (hapd->conf->wps_state) {
 154                 struct wpabuf *a = wps_build_assoc_resp_ie();
 155                 if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
 156                         wpabuf_put_buf(assocresp, a);
 157                 wpabuf_free(a);
 158         }
 159 #endif /* CONFIG_WPS */
 160
 161 #ifdef CONFIG_P2P_MANAGER
 162         if (hapd->conf->p2p & P2P_MANAGE) {
 163                 if (wpabuf_resize(&assocresp, 100) == 0) {
 164                         u8 *start, *p;
 165                         start = wpabuf_put(assocresp, 0);
 166                         p = hostapd_eid_p2p_manage(hapd, start);
 167                         wpabuf_put(assocresp, p - start);
 168                 }
 169         }
 170 #endif /* CONFIG_P2P_MANAGER */
 171
 172 #ifdef CONFIG_WIFI_DISPLAY
 173         if (hapd->p2p_group) {
 174                 struct wpabuf *a;
 175                 a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
 176                 if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
 177                         wpabuf_put_buf(assocresp, a);
 178                 wpabuf_free(a);
 179         }
 180 #endif /* CONFIG_WIFI_DISPLAY */
 181
 182 #ifdef CONFIG_HS20
 183         pos = buf;
 184         pos = hostapd_eid_hs20_indication(hapd, pos);
 185         if (pos != buf) {
 186                 if (wpabuf_resize(&beacon, pos - buf) != 0)
 187                         goto fail;
 188                 wpabuf_put_data(beacon, buf, pos - buf);
 189
 190                 if (wpabuf_resize(&proberesp, pos - buf) != 0)
 191                         goto fail;
 192                 wpabuf_put_data(proberesp, buf, pos - buf);
 193         }
 194
 195         pos = hostapd_eid_osen(hapd, buf);
 196         if (pos != buf) {
 197                 if (wpabuf_resize(&beacon, pos - buf) != 0)
 198                         goto fail;
 199                 wpabuf_put_data(beacon, buf, pos - buf);
 200
 201                 if (wpabuf_resize(&proberesp, pos - buf) != 0)
 202                         goto fail;
 203                 wpabuf_put_data(proberesp, buf, pos - buf);
 204         }
 205 #endif /* CONFIG_HS20 */
 206
 207         if (hapd->conf->vendor_elements) {
 208                 size_t add = wpabuf_len(hapd->conf->vendor_elements);
 209                 if (wpabuf_resize(&beacon, add) == 0)
 210                         wpabuf_put_buf(beacon, hapd->conf->vendor_elements);
 211                 if (wpabuf_resize(&proberesp, add) == 0)
 212                         wpabuf_put_buf(proberesp, hapd->conf->vendor_elements);
 213         }
 214
 215         *beacon_ret = beacon;
 216         *proberesp_ret = proberesp;
 217         *assocresp_ret = assocresp;
 218
 219         return 0;
 220
 221 fail:
 222         wpabuf_free(beacon);
 223         wpabuf_free(proberesp);
 224         wpabuf_free(assocresp);
 225         return -1;
 226 }
 227
 228
 229 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
 230                                struct wpabuf *beacon,
 231                                struct wpabuf *proberesp,
 232                                struct wpabuf *assocresp)
 233 {
 234         wpabuf_free(beacon);
 235         wpabuf_free(proberesp);
 236         wpabuf_free(assocresp);
 237 }
 238
 239
 240 int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
 241 {
 242         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 243                 return 0;
 244
 245         return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
 246 }
 247
 248
 249 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
 250 {
 251         struct wpabuf *beacon, *proberesp, *assocresp;
 252         int ret;
 253
 254         if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
 255                 return 0;
 256
 257         if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
 258             0)
 259                 return -1;
 260
 261         ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
 262                                           assocresp);
 263
 264         hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
 265
 266         return ret;
 267 }
 268
 269
 270 int hostapd_set_authorized(struct hostapd_data *hapd,
 271                            struct sta_info *sta, int authorized)
 272 {
 273         if (authorized) {
 274                 return hostapd_sta_set_flags(hapd, sta->addr,
 275                                              hostapd_sta_flags_to_drv(
 276                                                      sta->flags),
 277                                              WPA_STA_AUTHORIZED, ~0);
 278         }
 279
 280         return hostapd_sta_set_flags(hapd, sta->addr,
 281                                      hostapd_sta_flags_to_drv(sta->flags),
 282                                      0, ~WPA_STA_AUTHORIZED);
 283 }
 284
 285
 286 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
 287 {
 288         int set_flags, total_flags, flags_and, flags_or;
 289         total_flags = hostapd_sta_flags_to_drv(sta->flags);
 290         set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
 291         if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
 292              sta->auth_alg == WLAN_AUTH_FT) &&
 293             sta->flags & WLAN_STA_AUTHORIZED)
 294                 set_flags |= WPA_STA_AUTHORIZED;
 295         flags_or = total_flags & set_flags;
 296         flags_and = total_flags | ~set_flags;
 297         return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
 298                                      flags_or, flags_and);
 299 }
 300
 301
 302 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
 303                               int enabled)
 304 {
 305         struct wpa_bss_params params;
 306         os_memset(&params, 0, sizeof(params));
 307         params.ifname = ifname;
 308         params.enabled = enabled;
 309         if (enabled) {
 310                 params.wpa = hapd->conf->wpa;
 311                 params.ieee802_1x = hapd->conf->ieee802_1x;
 312                 params.wpa_group = hapd->conf->wpa_group;
 313                 if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
 314                     (WPA_PROTO_WPA | WPA_PROTO_RSN))
 315                         params.wpa_pairwise = hapd->conf->wpa_pairwise |
 316                                 hapd->conf->rsn_pairwise;
 317                 else if (hapd->conf->wpa & WPA_PROTO_RSN)
 318                         params.wpa_pairwise = hapd->conf->rsn_pairwise;
 319                 else if (hapd->conf->wpa & WPA_PROTO_WPA)
 320                         params.wpa_pairwise = hapd->conf->wpa_pairwise;
 321                 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
 322                 params.rsn_preauth = hapd->conf->rsn_preauth;
 323 #ifdef CONFIG_IEEE80211W
 324                 params.ieee80211w = hapd->conf->ieee80211w;
 325 #endif /* CONFIG_IEEE80211W */
 326         }
 327         return hostapd_set_ieee8021x(hapd, &params);
 328 }
 329
 330
 331 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
 332 {
 333         char force_ifname[IFNAMSIZ];
 334         u8 if_addr[ETH_ALEN];
 335         return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
 336                               NULL, NULL, force_ifname, if_addr, NULL, 0);
 337 }
 338
 339
 340 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
 341 {
 342         return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
 343 }
 344
 345
 346 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
 347                         const u8 *addr, int aid, int val)
 348 {
 349         const char *bridge = NULL;
 350
 351         if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
 352                 return -1;
 353         if (hapd->conf->wds_bridge[0])
 354                 bridge = hapd->conf->wds_bridge;
 355         else if (hapd->conf->bridge[0])
 356                 bridge = hapd->conf->bridge;
 357         return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
 358                                          bridge, ifname_wds);
 359 }
 360
 361
 362 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
 363                          u16 auth_alg)
 364 {
 365         if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
 366                 return 0;
 367         return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
 368 }
 369
 370
 371 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
 372                      u16 seq, u16 status, const u8 *ie, size_t len)
 373 {
 374         if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
 375                 return 0;
 376         return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr,
 377                                       seq, status, ie, len);
 378 }
 379
 380
 381 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
 382                       int reassoc, u16 status, const u8 *ie, size_t len)
 383 {
 384         if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
 385                 return 0;
 386         return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
 387                                        reassoc, status, ie, len);
 388 }
 389
 390
 391 int hostapd_sta_add(struct hostapd_data *hapd,
 392                     const u8 *addr, u16 aid, u16 capability,
 393                     const u8 *supp_rates, size_t supp_rates_len,
 394                     u16 listen_interval,
 395                     const struct ieee80211_ht_capabilities *ht_capab,
 396                     const struct ieee80211_vht_capabilities *vht_capab,
 397                     u32 flags, u8 qosinfo, u8 vht_opmode, int set)
 398 {
 399         struct hostapd_sta_add_params params;
 400
 401         if (hapd->driver == NULL)
 402                 return 0;
 403         if (hapd->driver->sta_add == NULL)
 404                 return 0;
 405
 406         os_memset(&params, 0, sizeof(params));
 407         params.addr = addr;
 408         params.aid = aid;
 409         params.capability = capability;
 410         params.supp_rates = supp_rates;
 411         params.supp_rates_len = supp_rates_len;
 412         params.listen_interval = listen_interval;
 413         params.ht_capabilities = ht_capab;
 414         params.vht_capabilities = vht_capab;
 415         params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
 416         params.vht_opmode = vht_opmode;
 417         params.flags = hostapd_sta_flags_to_drv(flags);
 418         params.qosinfo = qosinfo;
 419         params.set = set;
 420         return hapd->driver->sta_add(hapd->drv_priv, &params);
 421 }
 422
 423
 424 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
 425                       u8 *tspec_ie, size_t tspec_ielen)
 426 {
 427         if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
 428                 return 0;
 429         return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
 430                                        tspec_ielen);
 431 }
 432
 433
 434 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
 435 {
 436         if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
 437                 return 0;
 438         return hapd->driver->set_privacy(hapd->drv_priv, enabled);
 439 }
 440
 441
 442 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
 443                              size_t elem_len)
 444 {
 445         if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
 446                 return 0;
 447         return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
 448 }
 449
 450
 451 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
 452 {
 453         if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
 454                 return 0;
 455         return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
 456 }
 457
 458
 459 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
 460 {
 461         if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
 462                 return 0;
 463         return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
 464 }
 465
 466
 467 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 468                    const char *ifname, const u8 *addr, void *bss_ctx,
 469                    void **drv_priv, char *force_ifname, u8 *if_addr,
 470                    const char *bridge, int use_existing)
 471 {
 472         if (hapd->driver == NULL || hapd->driver->if_add == NULL)
 473                 return -1;
 474         return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
 475                                     bss_ctx, drv_priv, force_ifname, if_addr,
 476                                     bridge, use_existing, 1);
 477 }
 478
 479
 480 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
 481                       const char *ifname)
 482 {
 483         if (hapd->driver == NULL || hapd->drv_priv == NULL ||
 484             hapd->driver->if_remove == NULL)
 485                 return -1;
 486         return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
 487 }
 488
 489
 490 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
 491                           struct wpa_bss_params *params)
 492 {
 493         if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
 494                 return 0;
 495         return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
 496 }
 497
 498
 499 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
 500                        const u8 *addr, int idx, u8 *seq)
 501 {
 502         if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
 503                 return 0;
 504         return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
 505                                         seq);
 506 }
 507
 508
 509 int hostapd_flush(struct hostapd_data *hapd)
 510 {
 511         if (hapd->driver == NULL || hapd->driver->flush == NULL)
 512                 return 0;
 513         return hapd->driver->flush(hapd->drv_priv);
 514 }
 515
 516
 517 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
 518                      int freq, int channel, int ht_enabled, int vht_enabled,
 519                      int sec_channel_offset, int vht_oper_chwidth,
 520                      int center_segment0, int center_segment1)
 521 {
 522         struct hostapd_freq_params data;
 523
 524         if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
 525                                     vht_enabled, sec_channel_offset,
 526                                     vht_oper_chwidth,
 527                                     center_segment0, center_segment1,
 528                                     hapd->iface->current_mode ?
 529                                     hapd->iface->current_mode->vht_capab : 0))
 530                 return -1;
 531
 532         if (hapd->driver == NULL)
 533                 return 0;
 534         if (hapd->driver->set_freq == NULL)
 535                 return 0;
 536         return hapd->driver->set_freq(hapd->drv_priv, &data);
 537 }
 538
 539 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
 540 {
 541         if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
 542                 return 0;
 543         return hapd->driver->set_rts(hapd->drv_priv, rts);
 544 }
 545
 546
 547 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
 548 {
 549         if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
 550                 return 0;
 551         return hapd->driver->set_frag(hapd->drv_priv, frag);
 552 }
 553
 554
 555 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
 556                           int total_flags, int flags_or, int flags_and)
 557 {
 558         if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
 559                 return 0;
 560         return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
 561                                            flags_or, flags_and);
 562 }
 563
 564
 565 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
 566 {
 567         if (hapd->driver == NULL ||
 568             hapd->driver->set_country == NULL)
 569                 return 0;
 570         return hapd->driver->set_country(hapd->drv_priv, country);
 571 }
 572
 573
 574 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
 575                                 int cw_min, int cw_max, int burst_time)
 576 {
 577         if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
 578                 return 0;
 579         return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
 580                                                  cw_min, cw_max, burst_time);
 581 }
 582
 583
 584 struct hostapd_hw_modes *
 585 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
 586                             u16 *flags)
 587 {
 588         if (hapd->driver == NULL ||
 589             hapd->driver->get_hw_feature_data == NULL)
 590                 return NULL;
 591         return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
 592                                                  flags);
 593 }
 594
 595
 596 int hostapd_driver_commit(struct hostapd_data *hapd)
 597 {
 598         if (hapd->driver == NULL || hapd->driver->commit == NULL)
 599                 return 0;
 600         return hapd->driver->commit(hapd->drv_priv);
 601 }
 602
 603
 604 int hostapd_drv_none(struct hostapd_data *hapd)
 605 {
 606         return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
 607 }
 608
 609
 610 int hostapd_driver_scan(struct hostapd_data *hapd,
 611                         struct wpa_driver_scan_params *params)
 612 {
 613         if (hapd->driver && hapd->driver->scan2)
 614                 return hapd->driver->scan2(hapd->drv_priv, params);
 615         return -1;
 616 }
 617
 618
 619 struct wpa_scan_results * hostapd_driver_get_scan_results(
 620         struct hostapd_data *hapd)
 621 {
 622         if (hapd->driver && hapd->driver->get_scan_results2)
 623                 return hapd->driver->get_scan_results2(hapd->drv_priv);
 624         return NULL;
 625 }
 626
 627
 628 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
 629                            int duration)
 630 {
 631         if (hapd->driver && hapd->driver->set_noa)
 632                 return hapd->driver->set_noa(hapd->drv_priv, count, start,
 633                                              duration);
 634         return -1;
 635 }
 636
 637
 638 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
 639                         enum wpa_alg alg, const u8 *addr,
 640                         int key_idx, int set_tx,
 641                         const u8 *seq, size_t seq_len,
 642                         const u8 *key, size_t key_len)
 643 {
 644         if (hapd->driver == NULL || hapd->driver->set_key == NULL)
 645                 return 0;
 646         return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
 647                                      key_idx, set_tx, seq, seq_len, key,
 648                                      key_len);
 649 }
 650
 651
 652 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
 653                           const void *msg, size_t len, int noack)
 654 {
 655         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 656                 return 0;
 657         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
 658                                        NULL, 0);
 659 }
 660
 661
 662 int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
 663                               const void *msg, size_t len, int noack,
 664                               const u16 *csa_offs, size_t csa_offs_len)
 665 {
 666         if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 667                 return 0;
 668         return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
 669                                        csa_offs, csa_offs_len);
 670 }
 671
 672
 673 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
 674                            const u8 *addr, int reason)
 675 {
 676         if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
 677                 return 0;
 678         return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
 679                                         reason);
 680 }
 681
 682
 683 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
 684                              const u8 *addr, int reason)
 685 {
 686         if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
 687                 return 0;
 688         return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
 689                                           reason);
 690 }
 691
 692
 693 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
 694                          const u8 *peer, u8 *buf, u16 *buf_len)
 695 {
 696         if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
 697                 return -1;
 698         return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
 699                                       buf_len);
 700 }
 701
 702
 703 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
 704                             unsigned int wait, const u8 *dst, const u8 *data,
 705                             size_t len)
 706 {
 707         if (hapd->driver == NULL || hapd->driver->send_action == NULL)
 708                 return 0;
 709         return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
 710                                          hapd->own_addr, hapd->own_addr, data,
 711                                          len, 0);
 712 }
 713
 714
 715 int hostapd_start_dfs_cac(struct hostapd_iface *iface,
 716                           enum hostapd_hw_mode mode, int freq,
 717                           int channel, int ht_enabled, int vht_enabled,
 718                           int sec_channel_offset, int vht_oper_chwidth,
 719                           int center_segment0, int center_segment1)
 720 {
 721         struct hostapd_data *hapd = iface->bss[0];
 722         struct hostapd_freq_params data;
 723         int res;
 724
 725         if (!hapd->driver || !hapd->driver->start_dfs_cac)
 726                 return 0;
 727
 728         if (!iface->conf->ieee80211h) {
 729                 wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
 730                            "is not enabled");
 731                 return -1;
 732         }
 733
 734         if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
 735                                     vht_enabled, sec_channel_offset,
 736                                     vht_oper_chwidth, center_segment0,
 737                                     center_segment1,
 738                                     iface->current_mode->vht_capab)) {
 739                 wpa_printf(MSG_ERROR, "Can't set freq params");
 740                 return -1;
 741         }
 742
 743         res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
 744         if (!res) {
 745                 iface->cac_started = 1;
 746                 os_get_reltime(&iface->dfs_cac_start);
 747         }
 748
 749         return res;
 750 }
 751
 752
 753 int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
 754                             const u8 *qos_map_set, u8 qos_map_set_len)
 755 {
 756         if (hapd->driver == NULL || hapd->driver->set_qos_map == NULL)
 757                 return 0;
 758         return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
 759                                          qos_map_set_len);
 760 }
 761
 762
 763 static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
 764                                              struct hostapd_hw_modes *mode,
 765                                              int acs_ch_list_all,
 766                                              int **freq_list)
 767 {
 768         int i;
 769
 770         for (i = 0; i < mode->num_channels; i++) {
 771                 struct hostapd_channel_data *chan = &mode->channels[i];
 772
 773                 if ((acs_ch_list_all ||
 774                      freq_range_list_includes(&hapd->iface->conf->acs_ch_list,
 775                                               chan->chan)) &&
 776                     !(chan->flag & HOSTAPD_CHAN_DISABLED))
 777                         int_array_add_unique(freq_list, chan->freq);
 778         }
 779 }
 780
 781
 782 int hostapd_drv_do_acs(struct hostapd_data *hapd)
 783 {
 784         struct drv_acs_params params;
 785         int ret, i, acs_ch_list_all = 0;
 786         u8 *channels = NULL;
 787         unsigned int num_channels = 0;
 788         struct hostapd_hw_modes *mode;
 789         int *freq_list = NULL;
 790
 791         if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
 792                 return 0;
 793
 794         os_memset(&params, 0, sizeof(params));
 795         params.hw_mode = hapd->iface->conf->hw_mode;
 796
 797         /*
 798          * If no chanlist config parameter is provided, include all enabled
 799          * channels of the selected hw_mode.
 800          */
 801         if (!hapd->iface->conf->acs_ch_list.num)
 802                 acs_ch_list_all = 1;
 803
 804         mode = hapd->iface->current_mode;
 805         if (mode) {
 806                 channels = os_malloc(mode->num_channels);
 807                 if (channels == NULL)
 808                         return -1;
 809
 810                 for (i = 0; i < mode->num_channels; i++) {
 811                         struct hostapd_channel_data *chan = &mode->channels[i];
 812                         if (!acs_ch_list_all &&
 813                             !freq_range_list_includes(
 814                                     &hapd->iface->conf->acs_ch_list,
 815                                     chan->chan))
 816                                 continue;
 817                         if (!(chan->flag & HOSTAPD_CHAN_DISABLED)) {
 818                                 channels[num_channels++] = chan->chan;
 819                                 int_array_add_unique(&freq_list, chan->freq);
 820                         }
 821                 }
 822         } else {
 823                 for (i = 0; i < hapd->iface->num_hw_features; i++) {
 824                         mode = &hapd->iface->hw_features[i];
 825                         hostapd_get_hw_mode_any_channels(hapd, mode,
 826                                                          acs_ch_list_all,
 827                                                          &freq_list);
 828                 }
 829         }
 830
 831         params.ch_list = channels;
 832         params.ch_list_len = num_channels;
 833         params.freq_list = freq_list;
 834
 835         params.ht_enabled = !!(hapd->iface->conf->ieee80211n);
 836         params.ht40_enabled = !!(hapd->iface->conf->ht_capab &
 837                                  HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET);
 838         params.vht_enabled = !!(hapd->iface->conf->ieee80211ac);
 839         params.ch_width = 20;
 840         if (hapd->iface->conf->ieee80211n && params.ht40_enabled)
 841                 params.ch_width = 40;
 842
 843         /* Note: VHT20 is defined by combination of ht_capab & vht_oper_chwidth
 844          */
 845         if (hapd->iface->conf->ieee80211ac && params.ht40_enabled) {
 846                 if (hapd->iface->conf->vht_oper_chwidth == VHT_CHANWIDTH_80MHZ)
 847                         params.ch_width = 80;
 848                 else if (hapd->iface->conf->vht_oper_chwidth ==
 849                          VHT_CHANWIDTH_160MHZ ||
 850                          hapd->iface->conf->vht_oper_chwidth ==
 851                          VHT_CHANWIDTH_80P80MHZ)
 852                         params.ch_width = 160;
 853         }
 854
 855         ret = hapd->driver->do_acs(hapd->drv_priv, &params);
 856         os_free(channels);
 857
 858         return ret;
 859 }