1 /* 2 * hostapd - Driver operations 3 * Copyright (c) 2009-2010, Jouni Malinen <j (at) 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 static int add_buf(struct wpabuf **dst, const struct wpabuf *src) 45 { 46 if (!src) 47 return 0; 48 if (wpabuf_resize(dst, wpabuf_len(src)) != 0) 49 return -1; 50 wpabuf_put_buf(*dst, src); 51 return 0; 52 } 53 54 55 static int add_buf_data(struct wpabuf **dst, const u8 *data, size_t len) 56 { 57 if (!data || !len) 58 return 0; 59 if (wpabuf_resize(dst, len) != 0) 60 return -1; 61 wpabuf_put_data(*dst, data, len); 62 return 0; 63 } 64 65 66 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd, 67 struct wpabuf **beacon_ret, 68 struct wpabuf **proberesp_ret, 69 struct wpabuf **assocresp_ret) 70 { 71 struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL; 72 u8 buf[200], *pos; 73 74 *beacon_ret = *proberesp_ret = *assocresp_ret = NULL; 75 76 pos = buf; 77 pos = hostapd_eid_time_adv(hapd, pos); 78 if (add_buf_data(&beacon, buf, pos - buf) < 0) 79 goto fail; 80 pos = hostapd_eid_time_zone(hapd, pos); 81 if (add_buf_data(&proberesp, buf, pos - buf) < 0) 82 goto fail; 83 84 pos = buf; 85 pos = hostapd_eid_ext_capab(hapd, pos); 86 if (add_buf_data(&assocresp, buf, pos - buf) < 0) 87 goto fail; 88 pos = hostapd_eid_interworking(hapd, pos); 89 pos = hostapd_eid_adv_proto(hapd, pos); 90 pos = hostapd_eid_roaming_consortium(hapd, pos); 91 if (add_buf_data(&beacon, buf, pos - buf) < 0 || 92 add_buf_data(&proberesp, buf, pos - buf) < 0) 93 goto fail; 94 95 #ifdef CONFIG_FST 96 if (add_buf(&beacon, hapd->iface->fst_ies) < 0 || 97 add_buf(&proberesp, hapd->iface->fst_ies) < 0 || 98 add_buf(&assocresp, hapd->iface->fst_ies) < 0) 99 goto fail; 100 #endif /* CONFIG_FST */ 101 102 if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 || 103 add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0) 104 goto fail; 105 106 #ifdef CONFIG_P2P 107 if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 || 108 add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0) 109 goto fail; 110 #endif /* CONFIG_P2P */ 111 112 #ifdef CONFIG_P2P_MANAGER 113 if (hapd->conf->p2p & P2P_MANAGE) { 114 if (wpabuf_resize(&beacon, 100) == 0) { 115 u8 *start, *p; 116 start = wpabuf_put(beacon, 0); 117 p = hostapd_eid_p2p_manage(hapd, start); 118 wpabuf_put(beacon, p - start); 119 } 120 121 if (wpabuf_resize(&proberesp, 100) == 0) { 122 u8 *start, *p; 123 start = wpabuf_put(proberesp, 0); 124 p = hostapd_eid_p2p_manage(hapd, start); 125 wpabuf_put(proberesp, p - start); 126 } 127 } 128 #endif /* CONFIG_P2P_MANAGER */ 129 130 #ifdef CONFIG_WPS 131 if (hapd->conf->wps_state) { 132 struct wpabuf *a = wps_build_assoc_resp_ie(); 133 add_buf(&assocresp, a); 134 wpabuf_free(a); 135 } 136 #endif /* CONFIG_WPS */ 137 138 #ifdef CONFIG_P2P_MANAGER 139 if (hapd->conf->p2p & P2P_MANAGE) { 140 if (wpabuf_resize(&assocresp, 100) == 0) { 141 u8 *start, *p; 142 start = wpabuf_put(assocresp, 0); 143 p = hostapd_eid_p2p_manage(hapd, start); 144 wpabuf_put(assocresp, p - start); 145 } 146 } 147 #endif /* CONFIG_P2P_MANAGER */ 148 149 #ifdef CONFIG_WIFI_DISPLAY 150 if (hapd->p2p_group) { 151 struct wpabuf *a; 152 a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS); 153 add_buf(&assocresp, a); 154 wpabuf_free(a); 155 } 156 #endif /* CONFIG_WIFI_DISPLAY */ 157 158 #ifdef CONFIG_HS20 159 pos = hostapd_eid_hs20_indication(hapd, buf); 160 if (add_buf_data(&beacon, buf, pos - buf) < 0 || 161 add_buf_data(&proberesp, buf, pos - buf) < 0) 162 goto fail; 163 164 pos = hostapd_eid_osen(hapd, buf); 165 if (add_buf_data(&beacon, buf, pos - buf) < 0 || 166 add_buf_data(&proberesp, buf, pos - buf) < 0) 167 goto fail; 168 #endif /* CONFIG_HS20 */ 169 170 #ifdef CONFIG_MBO 171 if (hapd->conf->mbo_enabled) { 172 pos = hostapd_eid_mbo(hapd, buf, sizeof(buf)); 173 if (add_buf_data(&beacon, buf, pos - buf) < 0 || 174 add_buf_data(&proberesp, buf, pos - buf) < 0 || 175 add_buf_data(&assocresp, buf, pos - buf) < 0) 176 goto fail; 177 } 178 #endif /* CONFIG_MBO */ 179 180 add_buf(&beacon, hapd->conf->vendor_elements); 181 add_buf(&proberesp, hapd->conf->vendor_elements); 182 add_buf(&assocresp, hapd->conf->assocresp_elements); 183 184 *beacon_ret = beacon; 185 *proberesp_ret = proberesp; 186 *assocresp_ret = assocresp; 187 188 return 0; 189 190 fail: 191 wpabuf_free(beacon); 192 wpabuf_free(proberesp); 193 wpabuf_free(assocresp); 194 return -1; 195 } 196 197 198 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd, 199 struct wpabuf *beacon, 200 struct wpabuf *proberesp, 201 struct wpabuf *assocresp) 202 { 203 wpabuf_free(beacon); 204 wpabuf_free(proberesp); 205 wpabuf_free(assocresp); 206 } 207 208 209 int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd) 210 { 211 if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL) 212 return 0; 213 214 return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL); 215 } 216 217 218 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd) 219 { 220 struct wpabuf *beacon, *proberesp, *assocresp; 221 int ret; 222 223 if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL) 224 return 0; 225 226 if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) < 227 0) 228 return -1; 229 230 ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp, 231 assocresp); 232 233 hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp); 234 235 return ret; 236 } 237 238 239 int hostapd_set_authorized(struct hostapd_data *hapd, 240 struct sta_info *sta, int authorized) 241 { 242 if (authorized) { 243 return hostapd_sta_set_flags(hapd, sta->addr, 244 hostapd_sta_flags_to_drv( 245 sta->flags), 246 WPA_STA_AUTHORIZED, ~0); 247 } 248 249 return hostapd_sta_set_flags(hapd, sta->addr, 250 hostapd_sta_flags_to_drv(sta->flags), 251 0, ~WPA_STA_AUTHORIZED); 252 } 253 254 255 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta) 256 { 257 int set_flags, total_flags, flags_and, flags_or; 258 total_flags = hostapd_sta_flags_to_drv(sta->flags); 259 set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP; 260 if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) || 261 sta->auth_alg == WLAN_AUTH_FT) && 262 sta->flags & WLAN_STA_AUTHORIZED) 263 set_flags |= WPA_STA_AUTHORIZED; 264 flags_or = total_flags & set_flags; 265 flags_and = total_flags | ~set_flags; 266 return hostapd_sta_set_flags(hapd, sta->addr, total_flags, 267 flags_or, flags_and); 268 } 269 270 271 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname, 272 int enabled) 273 { 274 struct wpa_bss_params params; 275 os_memset(¶ms, 0, sizeof(params)); 276 params.ifname = ifname; 277 params.enabled = enabled; 278 if (enabled) { 279 params.wpa = hapd->conf->wpa; 280 params.ieee802_1x = hapd->conf->ieee802_1x; 281 params.wpa_group = hapd->conf->wpa_group; 282 if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) == 283 (WPA_PROTO_WPA | WPA_PROTO_RSN)) 284 params.wpa_pairwise = hapd->conf->wpa_pairwise | 285 hapd->conf->rsn_pairwise; 286 else if (hapd->conf->wpa & WPA_PROTO_RSN) 287 params.wpa_pairwise = hapd->conf->rsn_pairwise; 288 else if (hapd->conf->wpa & WPA_PROTO_WPA) 289 params.wpa_pairwise = hapd->conf->wpa_pairwise; 290 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt; 291 params.rsn_preauth = hapd->conf->rsn_preauth; 292 #ifdef CONFIG_IEEE80211W 293 params.ieee80211w = hapd->conf->ieee80211w; 294 #endif /* CONFIG_IEEE80211W */ 295 } 296 return hostapd_set_ieee8021x(hapd, ¶ms); 297 } 298 299 300 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname) 301 { 302 char force_ifname[IFNAMSIZ]; 303 u8 if_addr[ETH_ALEN]; 304 return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr, 305 NULL, NULL, force_ifname, if_addr, NULL, 0); 306 } 307 308 309 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname) 310 { 311 return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname); 312 } 313 314 315 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds, 316 const u8 *addr, int aid, int val) 317 { 318 const char *bridge = NULL; 319 320 if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL) 321 return -1; 322 if (hapd->conf->wds_bridge[0]) 323 bridge = hapd->conf->wds_bridge; 324 else if (hapd->conf->bridge[0]) 325 bridge = hapd->conf->bridge; 326 return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val, 327 bridge, ifname_wds); 328 } 329 330 331 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr, 332 u16 auth_alg) 333 { 334 if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL) 335 return 0; 336 return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg); 337 } 338 339 340 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr, 341 u16 seq, u16 status, const u8 *ie, size_t len) 342 { 343 if (hapd->driver == NULL || hapd->driver->sta_auth == NULL) 344 return 0; 345 return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr, 346 seq, status, ie, len); 347 } 348 349 350 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr, 351 int reassoc, u16 status, const u8 *ie, size_t len) 352 { 353 if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL) 354 return 0; 355 return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr, 356 reassoc, status, ie, len); 357 } 358 359 360 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 const struct ieee80211_vht_capabilities *vht_capab, 366 u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps, 367 int set) 368 { 369 struct hostapd_sta_add_params params; 370 371 if (hapd->driver == NULL) 372 return 0; 373 if (hapd->driver->sta_add == NULL) 374 return 0; 375 376 os_memset(¶ms, 0, sizeof(params)); 377 params.addr = addr; 378 params.aid = aid; 379 params.capability = capability; 380 params.supp_rates = supp_rates; 381 params.supp_rates_len = supp_rates_len; 382 params.listen_interval = listen_interval; 383 params.ht_capabilities = ht_capab; 384 params.vht_capabilities = vht_capab; 385 params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED); 386 params.vht_opmode = vht_opmode; 387 params.flags = hostapd_sta_flags_to_drv(flags); 388 params.qosinfo = qosinfo; 389 params.support_p2p_ps = supp_p2p_ps; 390 params.set = set; 391 return hapd->driver->sta_add(hapd->drv_priv, ¶ms); 392 } 393 394 395 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr, 396 u8 *tspec_ie, size_t tspec_ielen) 397 { 398 if (hapd->driver == NULL || hapd->driver->add_tspec == NULL) 399 return 0; 400 return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie, 401 tspec_ielen); 402 } 403 404 405 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled) 406 { 407 if (hapd->driver == NULL || hapd->driver->set_privacy == NULL) 408 return 0; 409 return hapd->driver->set_privacy(hapd->drv_priv, enabled); 410 } 411 412 413 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem, 414 size_t elem_len) 415 { 416 if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL) 417 return 0; 418 return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len); 419 } 420 421 422 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len) 423 { 424 if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL) 425 return 0; 426 return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len); 427 } 428 429 430 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len) 431 { 432 if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL) 433 return 0; 434 return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len); 435 } 436 437 438 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type, 439 const char *ifname, const u8 *addr, void *bss_ctx, 440 void **drv_priv, char *force_ifname, u8 *if_addr, 441 const char *bridge, int use_existing) 442 { 443 if (hapd->driver == NULL || hapd->driver->if_add == NULL) 444 return -1; 445 return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr, 446 bss_ctx, drv_priv, force_ifname, if_addr, 447 bridge, use_existing, 1); 448 } 449 450 451 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type, 452 const char *ifname) 453 { 454 if (hapd->driver == NULL || hapd->drv_priv == NULL || 455 hapd->driver->if_remove == NULL) 456 return -1; 457 return hapd->driver->if_remove(hapd->drv_priv, type, ifname); 458 } 459 460 461 int hostapd_set_ieee8021x(struct hostapd_data *hapd, 462 struct wpa_bss_params *params) 463 { 464 if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL) 465 return 0; 466 return hapd->driver->set_ieee8021x(hapd->drv_priv, params); 467 } 468 469 470 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd, 471 const u8 *addr, int idx, u8 *seq) 472 { 473 if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL) 474 return 0; 475 return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx, 476 seq); 477 } 478 479 480 int hostapd_flush(struct hostapd_data *hapd) 481 { 482 if (hapd->driver == NULL || hapd->driver->flush == NULL) 483 return 0; 484 return hapd->driver->flush(hapd->drv_priv); 485 } 486 487 488 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode, 489 int freq, int channel, int ht_enabled, int vht_enabled, 490 int sec_channel_offset, int vht_oper_chwidth, 491 int center_segment0, int center_segment1) 492 { 493 struct hostapd_freq_params data; 494 495 if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled, 496 vht_enabled, sec_channel_offset, 497 vht_oper_chwidth, 498 center_segment0, center_segment1, 499 hapd->iface->current_mode ? 500 hapd->iface->current_mode->vht_capab : 0)) 501 return -1; 502 503 if (hapd->driver == NULL) 504 return 0; 505 if (hapd->driver->set_freq == NULL) 506 return 0; 507 return hapd->driver->set_freq(hapd->drv_priv, &data); 508 } 509 510 int hostapd_set_rts(struct hostapd_data *hapd, int rts) 511 { 512 if (hapd->driver == NULL || hapd->driver->set_rts == NULL) 513 return 0; 514 return hapd->driver->set_rts(hapd->drv_priv, rts); 515 } 516 517 518 int hostapd_set_frag(struct hostapd_data *hapd, int frag) 519 { 520 if (hapd->driver == NULL || hapd->driver->set_frag == NULL) 521 return 0; 522 return hapd->driver->set_frag(hapd->drv_priv, frag); 523 } 524 525 526 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr, 527 int total_flags, int flags_or, int flags_and) 528 { 529 if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL) 530 return 0; 531 return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags, 532 flags_or, flags_and); 533 } 534 535 536 int hostapd_set_country(struct hostapd_data *hapd, const char *country) 537 { 538 if (hapd->driver == NULL || 539 hapd->driver->set_country == NULL) 540 return 0; 541 return hapd->driver->set_country(hapd->drv_priv, country); 542 } 543 544 545 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs, 546 int cw_min, int cw_max, int burst_time) 547 { 548 if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL) 549 return 0; 550 return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs, 551 cw_min, cw_max, burst_time); 552 } 553 554 555 struct hostapd_hw_modes * 556 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes, 557 u16 *flags) 558 { 559 if (hapd->driver == NULL || 560 hapd->driver->get_hw_feature_data == NULL) 561 return NULL; 562 return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes, 563 flags); 564 } 565 566 567 int hostapd_driver_commit(struct hostapd_data *hapd) 568 { 569 if (hapd->driver == NULL || hapd->driver->commit == NULL) 570 return 0; 571 return hapd->driver->commit(hapd->drv_priv); 572 } 573 574 575 int hostapd_drv_none(struct hostapd_data *hapd) 576 { 577 return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0; 578 } 579 580 581 int hostapd_driver_scan(struct hostapd_data *hapd, 582 struct wpa_driver_scan_params *params) 583 { 584 if (hapd->driver && hapd->driver->scan2) 585 return hapd->driver->scan2(hapd->drv_priv, params); 586 return -1; 587 } 588 589 590 struct wpa_scan_results * hostapd_driver_get_scan_results( 591 struct hostapd_data *hapd) 592 { 593 if (hapd->driver && hapd->driver->get_scan_results2) 594 return hapd->driver->get_scan_results2(hapd->drv_priv); 595 return NULL; 596 } 597 598 599 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start, 600 int duration) 601 { 602 if (hapd->driver && hapd->driver->set_noa) 603 return hapd->driver->set_noa(hapd->drv_priv, count, start, 604 duration); 605 return -1; 606 } 607 608 609 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd, 610 enum wpa_alg alg, const u8 *addr, 611 int key_idx, int set_tx, 612 const u8 *seq, size_t seq_len, 613 const u8 *key, size_t key_len) 614 { 615 if (hapd->driver == NULL || hapd->driver->set_key == NULL) 616 return 0; 617 return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr, 618 key_idx, set_tx, seq, seq_len, key, 619 key_len); 620 } 621 622 623 int hostapd_drv_send_mlme(struct hostapd_data *hapd, 624 const void *msg, size_t len, int noack) 625 { 626 if (!hapd->driver || !hapd->driver->send_mlme || !hapd->drv_priv) 627 return 0; 628 return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0, 629 NULL, 0); 630 } 631 632 633 int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd, 634 const void *msg, size_t len, int noack, 635 const u16 *csa_offs, size_t csa_offs_len) 636 { 637 if (hapd->driver == NULL || hapd->driver->send_mlme == NULL) 638 return 0; 639 return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0, 640 csa_offs, csa_offs_len); 641 } 642 643 644 int hostapd_drv_sta_deauth(struct hostapd_data *hapd, 645 const u8 *addr, int reason) 646 { 647 if (!hapd->driver || !hapd->driver->sta_deauth || !hapd->drv_priv) 648 return 0; 649 return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr, 650 reason); 651 } 652 653 654 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd, 655 const u8 *addr, int reason) 656 { 657 if (!hapd->driver || !hapd->driver->sta_disassoc || !hapd->drv_priv) 658 return 0; 659 return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr, 660 reason); 661 } 662 663 664 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper, 665 const u8 *peer, u8 *buf, u16 *buf_len) 666 { 667 if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL) 668 return -1; 669 return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf, 670 buf_len); 671 } 672 673 674 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq, 675 unsigned int wait, const u8 *dst, const u8 *data, 676 size_t len) 677 { 678 const u8 *bssid; 679 const u8 wildcard_bssid[ETH_ALEN] = { 680 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 681 }; 682 683 if (!hapd->driver || !hapd->driver->send_action || !hapd->drv_priv) 684 return 0; 685 bssid = hapd->own_addr; 686 if (!is_multicast_ether_addr(dst) && 687 len > 0 && data[0] == WLAN_ACTION_PUBLIC) { 688 struct sta_info *sta; 689 690 /* 691 * Public Action frames to a STA that is not a member of the BSS 692 * shall use wildcard BSSID value. 693 */ 694 sta = ap_get_sta(hapd, dst); 695 if (!sta || !(sta->flags & WLAN_STA_ASSOC)) 696 bssid = wildcard_bssid; 697 } 698 return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst, 699 hapd->own_addr, bssid, data, len, 0); 700 } 701 702 703 int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd, 704 unsigned int freq, 705 unsigned int wait, const u8 *dst, 706 const u8 *data, size_t len) 707 { 708 if (hapd->driver == NULL || hapd->driver->send_action == NULL) 709 return 0; 710 return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst, 711 hapd->own_addr, hapd->own_addr, data, 712 len, 0); 713 } 714 715 716 int hostapd_start_dfs_cac(struct hostapd_iface *iface, 717 enum hostapd_hw_mode mode, int freq, 718 int channel, int ht_enabled, int vht_enabled, 719 int sec_channel_offset, int vht_oper_chwidth, 720 int center_segment0, int center_segment1) 721 { 722 struct hostapd_data *hapd = iface->bss[0]; 723 struct hostapd_freq_params data; 724 int res; 725 726 if (!hapd->driver || !hapd->driver->start_dfs_cac) 727 return 0; 728 729 if (!iface->conf->ieee80211h) { 730 wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality " 731 "is not enabled"); 732 return -1; 733 } 734 735 if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled, 736 vht_enabled, sec_channel_offset, 737 vht_oper_chwidth, center_segment0, 738 center_segment1, 739 iface->current_mode->vht_capab)) { 740 wpa_printf(MSG_ERROR, "Can't set freq params"); 741 return -1; 742 } 743 744 res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data); 745 if (!res) { 746 iface->cac_started = 1; 747 os_get_reltime(&iface->dfs_cac_start); 748 } 749 750 return res; 751 } 752 753 754 int hostapd_drv_set_qos_map(struct hostapd_data *hapd, 755 const u8 *qos_map_set, u8 qos_map_set_len) 756 { 757 if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv) 758 return 0; 759 return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set, 760 qos_map_set_len); 761 } 762 763 764 static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd, 765 struct hostapd_hw_modes *mode, 766 int acs_ch_list_all, 767 int **freq_list) 768 { 769 int i; 770 771 for (i = 0; i < mode->num_channels; i++) { 772 struct hostapd_channel_data *chan = &mode->channels[i]; 773 774 if ((acs_ch_list_all || 775 freq_range_list_includes(&hapd->iface->conf->acs_ch_list, 776 chan->chan)) && 777 !(chan->flag & HOSTAPD_CHAN_DISABLED)) 778 int_array_add_unique(freq_list, chan->freq); 779 } 780 } 781 782 783 void hostapd_get_ext_capa(struct hostapd_iface *iface) 784 { 785 struct hostapd_data *hapd = iface->bss[0]; 786 787 if (!hapd->driver || !hapd->driver->get_ext_capab) 788 return; 789 790 hapd->driver->get_ext_capab(hapd->drv_priv, WPA_IF_AP_BSS, 791 &iface->extended_capa, 792 &iface->extended_capa_mask, 793 &iface->extended_capa_len); 794 } 795 796 797 int hostapd_drv_do_acs(struct hostapd_data *hapd) 798 { 799 struct drv_acs_params params; 800 int ret, i, acs_ch_list_all = 0; 801 u8 *channels = NULL; 802 unsigned int num_channels = 0; 803 struct hostapd_hw_modes *mode; 804 int *freq_list = NULL; 805 806 if (hapd->driver == NULL || hapd->driver->do_acs == NULL) 807 return 0; 808 809 os_memset(¶ms, 0, sizeof(params)); 810 params.hw_mode = hapd->iface->conf->hw_mode; 811 812 /* 813 * If no chanlist config parameter is provided, include all enabled 814 * channels of the selected hw_mode. 815 */ 816 if (!hapd->iface->conf->acs_ch_list.num) 817 acs_ch_list_all = 1; 818 819 mode = hapd->iface->current_mode; 820 if (mode) { 821 channels = os_malloc(mode->num_channels); 822 if (channels == NULL) 823 return -1; 824 825 for (i = 0; i < mode->num_channels; i++) { 826 struct hostapd_channel_data *chan = &mode->channels[i]; 827 if (!acs_ch_list_all && 828 !freq_range_list_includes( 829 &hapd->iface->conf->acs_ch_list, 830 chan->chan)) 831 continue; 832 if (!(chan->flag & HOSTAPD_CHAN_DISABLED)) { 833 channels[num_channels++] = chan->chan; 834 int_array_add_unique(&freq_list, chan->freq); 835 } 836 } 837 } else { 838 for (i = 0; i < hapd->iface->num_hw_features; i++) { 839 mode = &hapd->iface->hw_features[i]; 840 hostapd_get_hw_mode_any_channels(hapd, mode, 841 acs_ch_list_all, 842 &freq_list); 843 } 844 } 845 846 params.ch_list = channels; 847 params.ch_list_len = num_channels; 848 params.freq_list = freq_list; 849 850 params.ht_enabled = !!(hapd->iface->conf->ieee80211n); 851 params.ht40_enabled = !!(hapd->iface->conf->ht_capab & 852 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET); 853 params.vht_enabled = !!(hapd->iface->conf->ieee80211ac); 854 params.ch_width = 20; 855 if (hapd->iface->conf->ieee80211n && params.ht40_enabled) 856 params.ch_width = 40; 857 858 /* Note: VHT20 is defined by combination of ht_capab & vht_oper_chwidth 859 */ 860 if (hapd->iface->conf->ieee80211ac && params.ht40_enabled) { 861 if (hapd->iface->conf->vht_oper_chwidth == VHT_CHANWIDTH_80MHZ) 862 params.ch_width = 80; 863 else if (hapd->iface->conf->vht_oper_chwidth == 864 VHT_CHANWIDTH_160MHZ || 865 hapd->iface->conf->vht_oper_chwidth == 866 VHT_CHANWIDTH_80P80MHZ) 867 params.ch_width = 160; 868 } 869 870 ret = hapd->driver->do_acs(hapd->drv_priv, ¶ms); 871 os_free(channels); 872 873 return ret; 874 } 875
