beacon.c revision 7f65602d49069f96a7bb44da8bd79ffe8d4c6a98
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / IEEE 802.11 Management: Beacon and Probe Request/Response 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2002-2004, Instant802 Networks, Inc. 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2005-2006, Devicescape Software, Inc. 5a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi> 68d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 7fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 8fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt * See README for more details. 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/includes.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NATIVE_WINDOWS 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/common.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_common.h" 187f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt#include "common/hw_features_common.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps/wps_defs.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "p2p/p2p.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "hostapd.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_11.h" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth.h" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wmm.h" 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_config.h" 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "sta_info.h" 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "p2p_hostapd.h" 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_drv_ops.h" 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "beacon.h" 3061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "hs20.h" 31f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#include "dfs.h" 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef NEED_AP_MLME 351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic u8 * hostapd_eid_rm_enabled_capab(struct hostapd_data *hapd, u8 *eid, 376c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t len) 386c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 396c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!hapd->conf->radio_measurements || len < 2 + 4) 406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return eid; 416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = WLAN_EID_RRM_ENABLED_CAPABILITIES; 436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = 5; 446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = (hapd->conf->radio_measurements & BIT(0)) ? 456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt WLAN_RRM_CAPS_NEIGHBOR_REPORT : 0x00; 466c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = 0x00; 476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = 0x00; 486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = 0x00; 496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = 0x00; 506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return eid; 516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 54051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidtstatic u8 * hostapd_eid_bss_load(struct hostapd_data *hapd, u8 *eid, size_t len) 55051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt{ 566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (len < 2 + 5) 576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return eid; 586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 59051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 60051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt if (hapd->conf->bss_load_test_set) { 61051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt *eid++ = WLAN_EID_BSS_LOAD; 62051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt *eid++ = 5; 63051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt os_memcpy(eid, hapd->conf->bss_load_test, 5); 64051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt eid += 5; 656c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return eid; 66051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt } 67051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 686c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (hapd->conf->bss_load_update_period) { 696c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = WLAN_EID_BSS_LOAD; 706c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = 5; 716c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt WPA_PUT_LE16(eid, hapd->num_sta); 726c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt eid += 2; 736c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt *eid++ = hapd->iface->channel_utilization; 746c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt WPA_PUT_LE16(eid, 0); /* no available admission capabity */ 756c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt eid += 2; 766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 77051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt return eid; 78051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt} 79051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 80051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 ieee802_11_erp_info(struct hostapd_data *hapd) 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 erp = 0; 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->current_mode == NULL || 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G) 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->iface->olbc) 901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt erp |= ERP_INFO_USE_PROTECTION; 911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->iface->num_sta_non_erp > 0) { 921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt erp |= ERP_INFO_NON_ERP_PRESENT | 931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ERP_INFO_USE_PROTECTION; 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->num_sta_no_short_preamble > 0 || 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iconf->preamble == LONG_PREAMBLE) 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt erp |= ERP_INFO_BARKER_PREAMBLE_MODE; 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return erp; 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * hostapd_eid_ds_params(struct hostapd_data *hapd, u8 *eid) 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = WLAN_EID_DS_PARAMS; 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = 1; 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = hapd->iconf->channel; 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * hostapd_eid_erp_info(struct hostapd_data *hapd, u8 *eid) 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->current_mode == NULL || 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G) 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Set NonERP_present and use_protection bits if there 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * are any associated NonERP stations. */ 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: use_protection bit can be set to zero even if 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * there are NonERP stations present. This optimization 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * might be useful if NonERP stations are "quiet". 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * See 802.11g/D6 E-1 for recommended practice. 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In addition, Non ERP present might be set, if AP detects Non ERP 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * operation on other APs. */ 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Add ERP Information element */ 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = WLAN_EID_ERP_INFO; 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = 1; 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = ieee802_11_erp_info(hapd); 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 136f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidtstatic u8 * hostapd_eid_pwr_constraint(struct hostapd_data *hapd, u8 *eid) 137f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt{ 138f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt u8 *pos = eid; 139f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt u8 local_pwr_constraint = 0; 140f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt int dfs; 141f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 142f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (hapd->iface->current_mode == NULL || 143f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211A) 144f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return eid; 145f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 146661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt /* Let host drivers add this IE if DFS support is offloaded */ 147661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) 148661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt return eid; 149661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt 150f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* 151f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * There is no DFS support and power constraint was not directly 152f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * requested by config option. 153f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt */ 154f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (!hapd->iconf->ieee80211h && 155f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt hapd->iconf->local_pwr_constraint == -1) 156f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return eid; 157f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 158f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Check if DFS is required by regulatory. */ 159f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt dfs = hostapd_is_dfs_required(hapd->iface); 160f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (dfs < 0) { 161f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt wpa_printf(MSG_WARNING, "Failed to check if DFS is required; ret=%d", 162f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt dfs); 163f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt dfs = 0; 164f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 165f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 166f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (dfs == 0 && hapd->iconf->local_pwr_constraint == -1) 167f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return eid; 168f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 169f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* 170f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * ieee80211h (DFS) is enabled so Power Constraint element shall 171f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * be added when running on DFS channel whenever local_pwr_constraint 172f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * is configured or not. In order to meet regulations when TPC is not 173f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * implemented using a transmit power that is below the legal maximum 174f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * (including any mitigation factor) should help. In this case, 175f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * indicate 3 dB below maximum allowed transmit power. 176f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt */ 177f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (hapd->iconf->local_pwr_constraint == -1) 178f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt local_pwr_constraint = 3; 179f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 180f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* 181f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * A STA that is not an AP shall use a transmit power less than or 182f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * equal to the local maximum transmit power level for the channel. 183f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * The local maximum transmit power can be calculated from the formula: 184f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * local max TX pwr = max TX pwr - local pwr constraint 185f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * Where max TX pwr is maximum transmit power level specified for 186f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * channel in Country element and local pwr constraint is specified 187f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt * for channel in this Power Constraint element. 188f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt */ 189f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 190f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Element ID */ 191f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *pos++ = WLAN_EID_PWR_CONSTRAINT; 192f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Length */ 193f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *pos++ = 1; 194f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Local Power Constraint */ 195f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (local_pwr_constraint) 196f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *pos++ = local_pwr_constraint; 197f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt else 198f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *pos++ = hapd->iconf->local_pwr_constraint; 199f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 200f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return pos; 201f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt} 202f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 203f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * hostapd_eid_country_add(u8 *pos, u8 *end, int chan_spacing, 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_channel_data *start, 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_channel_data *prev) 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 3) 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* first channel number */ 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = start->chan; 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* number of channels */ 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = (prev->chan - start->chan) / chan_spacing + 1; 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* maximum transmit power level */ 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = start->max_tx_power; 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * hostapd_eid_country(struct hostapd_data *hapd, u8 *eid, 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int max_len) 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos = eid; 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *end = eid + max_len; 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_hw_modes *mode; 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_channel_data *start, *prev; 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int chan_spacing = 1; 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->iconf->ieee80211d || max_len < 6 || 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->current_mode == NULL) 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = WLAN_EID_COUNTRY; 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos++; /* length will be set later */ 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, hapd->iconf->country, 3); /* e.g., 'US ' */ 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 3; 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mode = hapd->iface->current_mode; 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mode->mode == HOSTAPD_MODE_IEEE80211A) 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt chan_spacing = 4; 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start = prev = NULL; 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < mode->num_channels; i++) { 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_channel_data *chan = &mode->channels[i]; 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (chan->flag & HOSTAPD_CHAN_DISABLED) 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (start && prev && 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->chan + chan_spacing == chan->chan && 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start->max_tx_power == chan->max_tx_power) { 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = chan; 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; /* can use same entry */ 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25709f57babfc1e4473db20ced4f58a4c9f082c8ed8Dmitry Shmidt if (start && prev) { 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = hostapd_eid_country_add(pos, end, chan_spacing, 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start, prev); 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start = NULL; 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Start new group */ 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start = prev = chan; 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (start) { 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = hostapd_eid_country_add(pos, end, chan_spacing, 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start, prev); 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((pos - eid) & 1) { 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 1) 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = 0; /* pad for 16-bit alignment */ 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eid[1] = (pos - eid) - 2; 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len) 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ie; 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t ielen; 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &ielen); 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ie == NULL || ielen > len) 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(eid, ie, ielen); 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid + ielen; 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 298e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtstatic u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid) 299e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt{ 300e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt u8 chan; 301e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 302d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt if (!hapd->cs_freq_params.freq) 303e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return eid; 304e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 305d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt if (ieee80211_freq_to_chan(hapd->cs_freq_params.freq, &chan) == 306e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt NUM_HOSTAPD_MODES) 307e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return eid; 308e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 309e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt *eid++ = WLAN_EID_CHANNEL_SWITCH; 310e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt *eid++ = 3; 311d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt *eid++ = hapd->cs_block_tx; 312e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt *eid++ = chan; 313d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt *eid++ = hapd->cs_count; 314e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 315e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return eid; 316e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt} 317e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 318e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 319fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid) 320fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 321fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 sec_ch; 322fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 323d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt if (!hapd->cs_freq_params.sec_channel_offset) 324fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return eid; 325fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 326d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt if (hapd->cs_freq_params.sec_channel_offset == -1) 327fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW; 328d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt else if (hapd->cs_freq_params.sec_channel_offset == 1) 329fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE; 330fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt else 331fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return eid; 332fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 333fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *eid++ = WLAN_EID_SECONDARY_CHANNEL_OFFSET; 334fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *eid++ = 1; 335fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *eid++ = sec_ch; 336fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 337fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return eid; 338fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 339fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 340fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 341fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtstatic u8 * hostapd_add_csa_elems(struct hostapd_data *hapd, u8 *pos, 342fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 *start, unsigned int *csa_counter_off) 343fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt{ 344fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 *old_pos = pos; 345fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 346fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (!csa_counter_off) 347fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return pos; 348fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 349fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *csa_counter_off = 0; 350fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = hostapd_eid_csa(hapd, pos); 351fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 352fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (pos != old_pos) { 353fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt /* save an offset to the counter - should be last byte */ 354fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt *csa_counter_off = pos - start - 1; 355fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = hostapd_eid_secondary_channel(hapd, pos); 356fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 357fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 358fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return pos; 359fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt} 360fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 361fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 3621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd, 3631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct sta_info *sta, 3641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct ieee80211_mgmt *req, 3651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int is_p2p, size_t *resp_len) 3661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 3671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct ieee80211_mgmt *resp; 368fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 *pos, *epos; 3691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t buflen; 3701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#define MAX_PROBERESP_LEN 768 3721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt buflen = MAX_PROBERESP_LEN; 3731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_WPS 3741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->wps_probe_resp_ie) 3751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt buflen += wpabuf_len(hapd->wps_probe_resp_ie); 3761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_WPS */ 3771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_P2P 3781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->p2p_probe_resp_ie) 3791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt buflen += wpabuf_len(hapd->p2p_probe_resp_ie); 3801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_P2P */ 38161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hapd->conf->vendor_elements) 38261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buflen += wpabuf_len(hapd->conf->vendor_elements); 3832f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt if (hapd->conf->vendor_vht) { 3842f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt buflen += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) + 3852f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt 2 + sizeof(struct ieee80211_vht_operation); 3862f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt } 3871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp = os_zalloc(buflen); 3881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (resp == NULL) 3891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 3901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt epos = ((u8 *) resp) + MAX_PROBERESP_LEN; 3921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 3941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_FC_STYPE_PROBE_RESP); 3951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (req) 3961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp->da, req->sa, ETH_ALEN); 3971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN); 3981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN); 4001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp->u.probe_resp.beacon_int = 4011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt host_to_le16(hapd->iconf->beacon_int); 4021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* hardware or low-level driver will setup seq_ctrl and timestamp */ 4041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp->u.probe_resp.capab_info = 4051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt host_to_le16(hostapd_own_capab_info(hapd, sta, 1)); 4061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = resp->u.probe_resp.variable; 4081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_EID_SSID; 4091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = hapd->conf->ssid.ssid_len; 4101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(pos, hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len); 4111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += hapd->conf->ssid.ssid_len; 4121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Supported rates */ 4141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_supp_rates(hapd, pos); 4151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* DS Params */ 4171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ds_params(hapd, pos); 4181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_country(hapd, pos, epos - pos); 4201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 421f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Power Constraint element */ 422f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt pos = hostapd_eid_pwr_constraint(hapd, pos); 423f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 4241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* ERP Information element */ 4251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_erp_info(hapd, pos); 4261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Extended supported rates */ 4281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ext_supp_rates(hapd, pos); 4291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* RSN, MDIE, WPA */ 4311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_wpa(hapd, pos, epos - pos); 4321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 433051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt pos = hostapd_eid_bss_load(hapd, pos, epos - pos); 434051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 4356c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt pos = hostapd_eid_rm_enabled_capab(hapd, pos, epos - pos); 4366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_IEEE80211N 4381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ht_capabilities(hapd, pos); 4391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ht_operation(hapd, pos); 4401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_IEEE80211N */ 4411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ext_capab(hapd, pos); 4431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_time_adv(hapd, pos); 4451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_time_zone(hapd, pos); 4461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_interworking(hapd, pos); 4481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_adv_proto(hapd, pos); 4491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_roaming_consortium(hapd, pos); 4501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 451fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt pos = hostapd_add_csa_elems(hapd, pos, (u8 *)resp, 452d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt &hapd->cs_c_off_proberesp); 45304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_IEEE80211AC 4542f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) { 4552f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt pos = hostapd_eid_vht_capabilities(hapd, pos); 4562f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt pos = hostapd_eid_vht_operation(hapd, pos); 4572f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt } 4582f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt if (hapd->conf->vendor_vht) 4592f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt pos = hostapd_eid_vendor_vht(hapd, pos); 46004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_IEEE80211AC */ 46104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Wi-Fi Alliance WMM */ 4631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_wmm(hapd, pos); 4641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_WPS 4661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) { 4671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie), 4681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_len(hapd->wps_probe_resp_ie)); 4691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += wpabuf_len(hapd->wps_probe_resp_ie); 4701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 4711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_WPS */ 4721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_P2P 4741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if ((hapd->conf->p2p & P2P_ENABLED) && is_p2p && 4751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->p2p_probe_resp_ie) { 4761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie), 4771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_len(hapd->p2p_probe_resp_ie)); 4781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += wpabuf_len(hapd->p2p_probe_resp_ie); 4791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 4801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_P2P */ 4811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_P2P_MANAGER 4821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) == 4831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt P2P_MANAGE) 4841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_p2p_manage(hapd, pos); 4851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_P2P_MANAGER */ 4861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 48761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_HS20 48861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos = hostapd_eid_hs20_indication(hapd, pos); 489f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt pos = hostapd_eid_osen(hapd, pos); 49061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_HS20 */ 49161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 49261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hapd->conf->vendor_elements) { 49361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements), 49461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpabuf_len(hapd->conf->vendor_elements)); 49561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += wpabuf_len(hapd->conf->vendor_elements); 49661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 49761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 4981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *resp_len = pos - (u8 *) resp; 4991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return (u8 *) resp; 5001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 5011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 5021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 503a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtenum ssid_match_result { 504a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt NO_SSID_MATCH, 505a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt EXACT_SSID_MATCH, 506a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt WILDCARD_SSID_MATCH 507a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt}; 508a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 509a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic enum ssid_match_result ssid_match(struct hostapd_data *hapd, 510a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *ssid, size_t ssid_len, 511a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *ssid_list, 512a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt size_t ssid_list_len) 513a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 514a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *pos, *end; 515a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt int wildcard = 0; 516a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 517a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (ssid_len == 0) 518a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wildcard = 1; 519a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (ssid_len == hapd->conf->ssid.ssid_len && 520a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt os_memcmp(ssid, hapd->conf->ssid.ssid, ssid_len) == 0) 521a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return EXACT_SSID_MATCH; 522a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 523a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (ssid_list == NULL) 524a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH; 525a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 526a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt pos = ssid_list; 527a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt end = ssid_list + ssid_list_len; 528a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt while (pos + 1 <= end) { 529a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (pos + 2 + pos[1] > end) 530a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt break; 531a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (pos[1] == 0) 532a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wildcard = 1; 533a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (pos[1] == hapd->conf->ssid.ssid_len && 534a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt os_memcmp(pos + 2, hapd->conf->ssid.ssid, pos[1]) == 0) 535a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return EXACT_SSID_MATCH; 536a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt pos += 2 + pos[1]; 537a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt } 538a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 539a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH; 540a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 541a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 542a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid handle_probe_req(struct hostapd_data *hapd, 54404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const struct ieee80211_mgmt *mgmt, size_t len, 54504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt int ssi_signal) 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *resp; 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_11_elems elems; 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ie; 5501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t ie_len; 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = NULL; 5521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t i, resp_len; 5531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int noack; 554a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt enum ssid_match_result res; 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = mgmt->u.probe_req.variable; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)) 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)); 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, 5631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt mgmt->sa, mgmt->da, mgmt->bssid, 56404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt ie, ie_len, ssi_signal) > 0) 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->iconf->send_probe_response) 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) { 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Could not parse ProbeReq from " MACSTR, 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mgmt->sa)); 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((!elems.ssid || !elems.supp_rates)) { 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "STA " MACSTR " sent probe request " 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "without SSID or supported rates element", 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mgmt->sa)); 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5837f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt /* 5847f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt * No need to reply if the Probe Request frame was sent on an adjacent 5857f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt * channel. IEEE Std 802.11-2012 describes this as a requirement for an 5867f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt * AP with dot11RadioMeasurementActivated set to true, but strictly 5877f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt * speaking does not allow such ignoring of Probe Request frames if 5887f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt * dot11RadioMeasurementActivated is false. Anyway, this can help reduce 5897f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt * number of unnecessary Probe Response frames for cases where the STA 5907f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt * is less likely to see them (Probe Request frame sent on a 5917f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt * neighboring, but partially overlapping, channel). 5927f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt */ 5937f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt if (elems.ds_params && elems.ds_params_len == 1 && 5947f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt hapd->iface->current_mode && 5957f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G || 5967f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211B) && 5977f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt hapd->iconf->channel != elems.ds_params[0]) { 5987f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt wpa_printf(MSG_DEBUG, 5997f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt "Ignore Probe Request due to DS Params mismatch: chan=%u != ds.chan=%u", 6007f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt hapd->iconf->channel, elems.ds_params[0]); 6017f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt return; 6027f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt } 6037f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->p2p && elems.wps_ie) { 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *wps; 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA); 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) { 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request " 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "due to mismatch with Requested Device " 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Type"); 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps); 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps); 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 617c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 618c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (hapd->p2p && elems.p2p) { 619c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt struct wpabuf *p2p; 620c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt p2p = ieee802_11_vendor_ie_concat(ie, ie_len, P2P_IE_VENDOR_TYPE); 621c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (p2p && !p2p_group_match_dev_id(hapd->p2p_group, p2p)) { 622c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request " 623c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt "due to mismatch with Device ID"); 624c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wpabuf_free(p2p); 625c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt return; 626c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt } 627c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wpabuf_free(p2p); 628c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt } 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 631a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (hapd->conf->ignore_broadcast_ssid && elems.ssid_len == 0 && 632a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt elems.ssid_list_len == 0) { 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR " for " 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "broadcast SSID ignored", MAC2STR(mgmt->sa)); 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = ap_get_sta(hapd, mgmt->sa); 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((hapd->conf->p2p & P2P_GROUP_OWNER) && 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elems.ssid_len == P2P_WILDCARD_SSID_LEN && 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(elems.ssid, P2P_WILDCARD_SSID, 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt P2P_WILDCARD_SSID_LEN) == 0) { 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Process P2P Wildcard SSID like Wildcard SSID */ 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elems.ssid_len = 0; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 650a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt res = ssid_match(hapd, elems.ssid, elems.ssid_len, 651a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt elems.ssid_list, elems.ssid_list_len); 652a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (res != NO_SSID_MATCH) { 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->ssid_probe = &hapd->conf->ssid; 6551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else { 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(mgmt->da[0] & 0x01)) { 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR 658a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt " for foreign SSID '%s' (DA " MACSTR ")%s", 6593c4793790bf06f1fe08a2ddf604c9caa855151f1Dmitry Shmidt MAC2STR(mgmt->sa), 6603c4793790bf06f1fe08a2ddf604c9caa855151f1Dmitry Shmidt wpa_ssid_txt(elems.ssid, elems.ssid_len), 661a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt MAC2STR(mgmt->da), 662a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt elems.ssid_list ? " (SSID list)" : ""); 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_INTERWORKING 668f9bdef99ce3b2858f2812c745a3d6bb093fb0e5dDmitry Shmidt if (hapd->conf->interworking && 669f9bdef99ce3b2858f2812c745a3d6bb093fb0e5dDmitry Shmidt elems.interworking && elems.interworking_len >= 1) { 6701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 ant = elems.interworking[0] & 0x0f; 6711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (ant != INTERWORKING_ANT_WILDCARD && 6721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ant != hapd->conf->access_network_type) { 6731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR 6741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt " for mismatching ANT %u ignored", 6751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MAC2STR(mgmt->sa), ant); 6761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 6771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 6781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 6791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 680f9bdef99ce3b2858f2812c745a3d6bb093fb0e5dDmitry Shmidt if (hapd->conf->interworking && elems.interworking && 6811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (elems.interworking_len == 7 || elems.interworking_len == 9)) { 6821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *hessid; 6831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (elems.interworking_len == 7) 6841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hessid = elems.interworking + 1; 6851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 6861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hessid = elems.interworking + 1 + 2; 6871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!is_broadcast_ether_addr(hessid) && 6881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcmp(hessid, hapd->conf->hessid, ETH_ALEN) != 0) { 6891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR 6901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt " for mismatching HESSID " MACSTR 6911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt " ignored", 6921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MAC2STR(mgmt->sa), MAC2STR(hessid)); 6931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 6941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 6951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 6961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_INTERWORKING */ 6971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 69834af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt#ifdef CONFIG_P2P 69934af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt if ((hapd->conf->p2p & P2P_GROUP_OWNER) && 70034af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt supp_rates_11b_only(&elems)) { 70134af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt /* Indicates support for 11b rates only */ 70234af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt wpa_printf(MSG_EXCESSIVE, "P2P: Ignore Probe Request from " 70334af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt MACSTR " with only 802.11b rates", 70434af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt MAC2STR(mgmt->sa)); 70534af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt return; 70634af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt } 70734af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt#endif /* CONFIG_P2P */ 70834af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: verify that supp_rates contains at least one matching rate 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * with AP configuration */ 7111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 7128da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 7137832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt if (hapd->iconf->ignore_probe_probability > 0.0 && 7148da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt drand48() < hapd->iconf->ignore_probe_probability) { 7158da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt wpa_printf(MSG_INFO, 7168da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt "TESTING: ignoring probe request from " MACSTR, 7178da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt MAC2STR(mgmt->sa)); 7188da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt return; 7198da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt } 7208da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 7218da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt 7221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp = hostapd_gen_probe_resp(hapd, sta, mgmt, elems.p2p != NULL, 7231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt &resp_len); 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (resp == NULL) 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 7281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * If this is a broadcast probe request, apply no ack policy to avoid 7291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * excessive retries. 7301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 731a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt noack = !!(res == WILDCARD_SSID_MATCH && 732a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt is_broadcast_ether_addr(mgmt->da)); 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hostapd_drv_send_mlme(hapd, resp, resp_len, noack) < 0) 735cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "handle_probe_req: send failed"); 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_free(resp); 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_EXCESSIVE, "STA " MACSTR " sent probe request for %s " 7401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "SSID", MAC2STR(mgmt->sa), 7411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt elems.ssid_len == 0 ? "broadcast" : "our"); 7421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic u8 * hostapd_probe_resp_offloads(struct hostapd_data *hapd, 7461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t *resp_len) 7471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 7481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* check probe response offloading caps and print warnings */ 7491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD)) 7501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 7531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->wps_state && hapd->wps_probe_resp_ie && 7541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (!(hapd->iface->probe_resp_offloads & 7551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS | 7561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2)))) 7571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_WARNING, "Device is trying to offload WPS " 7581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Probe Response while not supporting this"); 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 7621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_probe_resp_ie && 7631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt !(hapd->iface->probe_resp_offloads & 7641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P)) 7651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_WARNING, "Device is trying to offload P2P " 7661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Probe Response while not supporting this"); 7671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_P2P */ 7681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 7691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->interworking && 7701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt !(hapd->iface->probe_resp_offloads & 7711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING)) 7721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_WARNING, "Device is trying to offload " 7731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Interworking Probe Response while not supporting " 7741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "this"); 7751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 7761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Generate a Probe Response template for the non-P2P case */ 7771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return hostapd_gen_probe_resp(hapd, NULL, NULL, 0, resp_len); 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* NEED_AP_MLME */ 7811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 783e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtint ieee802_11_build_ap_params(struct hostapd_data *hapd, 784e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt struct wpa_driver_ap_params *params) 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct ieee80211_mgmt *head = NULL; 7871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *tail = NULL; 7881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t head_len = 0, tail_len = 0; 7891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *resp = NULL; 7901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t resp_len = 0; 7911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef NEED_AP_MLME 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 capab_info; 793fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt u8 *pos, *tailpos; 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define BEACON_HEAD_BUF_SIZE 256 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define BEACON_TAIL_BUF_SIZE 512 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head = os_zalloc(BEACON_HEAD_BUF_SIZE); 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail_len = BEACON_TAIL_BUF_SIZE; 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wps_state && hapd->wps_beacon_ie) 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail_len += wpabuf_len(hapd->wps_beacon_ie); 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->p2p_beacon_ie) 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail_len += wpabuf_len(hapd->p2p_beacon_ie); 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 80761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hapd->conf->vendor_elements) 80861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tail_len += wpabuf_len(hapd->conf->vendor_elements); 8092f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt 8102f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt#ifdef CONFIG_IEEE80211AC 8112f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt if (hapd->conf->vendor_vht) { 8122f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt tail_len += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) + 8132f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt 2 + sizeof(struct ieee80211_vht_operation); 8142f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt } 8152f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt#endif /* CONFIG_IEEE80211AC */ 8162f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = tail = os_malloc(tail_len); 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (head == NULL || tail == NULL) { 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to set beacon data"); 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(head); 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(tail); 822e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return -1; 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_FC_STYPE_BEACON); 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head->duration = host_to_le16(0); 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(head->da, 0xff, ETH_ALEN); 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(head->sa, hapd->own_addr, ETH_ALEN); 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(head->bssid, hapd->own_addr, ETH_ALEN); 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head->u.beacon.beacon_int = 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt host_to_le16(hapd->iconf->beacon_int); 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* hardware or low-level driver will setup seq_ctrl and timestamp */ 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab_info = hostapd_own_capab_info(hapd, NULL, 0); 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head->u.beacon.capab_info = host_to_le16(capab_info); 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = &head->u.beacon.variable[0]; 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* SSID */ 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = WLAN_EID_SSID; 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ignore_broadcast_ssid == 2) { 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* clear the data, but keep the correct length of the SSID */ 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = hapd->conf->ssid.ssid_len; 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(pos, 0, hapd->conf->ssid.ssid_len); 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += hapd->conf->ssid.ssid_len; 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (hapd->conf->ignore_broadcast_ssid) { 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = 0; /* empty SSID */ 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = hapd->conf->ssid.ssid_len; 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, hapd->conf->ssid.ssid, 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->ssid.ssid_len); 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += hapd->conf->ssid.ssid_len; 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supported rates */ 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = hostapd_eid_supp_rates(hapd, pos); 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* DS Params */ 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = hostapd_eid_ds_params(hapd, pos); 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head_len = pos - (u8 *) head; 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_country(hapd, tailpos, 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail + BEACON_TAIL_BUF_SIZE - tailpos); 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 867f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Power Constraint element */ 868f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt tailpos = hostapd_eid_pwr_constraint(hapd, tailpos); 869f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* ERP Information element */ 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_erp_info(hapd, tailpos); 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Extended supported rates */ 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_ext_supp_rates(hapd, tailpos); 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RSN, MDIE, WPA */ 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_wpa(hapd, tailpos, tail + BEACON_TAIL_BUF_SIZE - 8781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos); 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt tailpos = hostapd_eid_rm_enabled_capab(hapd, tailpos, 8816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt tail + BEACON_TAIL_BUF_SIZE - 8826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt tailpos); 8836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 884051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt tailpos = hostapd_eid_bss_load(hapd, tailpos, 885051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt tail + BEACON_TAIL_BUF_SIZE - tailpos); 886051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211N 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_ht_capabilities(hapd, tailpos); 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_ht_operation(hapd, tailpos); 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211N */ 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_ext_capab(hapd, tailpos); 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 8951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * TODO: Time Advertisement element should only be included in some 8961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * DTIM Beacon frames. 8971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 8981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos = hostapd_eid_time_adv(hapd, tailpos); 8991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 9001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos = hostapd_eid_interworking(hapd, tailpos); 9011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos = hostapd_eid_adv_proto(hapd, tailpos); 9021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos = hostapd_eid_roaming_consortium(hapd, tailpos); 903fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt tailpos = hostapd_add_csa_elems(hapd, tailpos, tail, 904d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt &hapd->cs_c_off_beacon); 90504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_IEEE80211AC 9062f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) { 9072f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt tailpos = hostapd_eid_vht_capabilities(hapd, tailpos); 9082f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt tailpos = hostapd_eid_vht_operation(hapd, tailpos); 9092f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt } 9102f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt if (hapd->conf->vendor_vht) 9112f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt tailpos = hostapd_eid_vendor_vht(hapd, tailpos); 91204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_IEEE80211AC */ 91304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Wi-Fi Alliance WMM */ 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_wmm(hapd, tailpos); 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wps_state && hapd->wps_beacon_ie) { 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(tailpos, wpabuf_head(hapd->wps_beacon_ie), 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(hapd->wps_beacon_ie)); 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos += wpabuf_len(hapd->wps_beacon_ie); 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) { 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie), 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(hapd->p2p_beacon_ie)); 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos += wpabuf_len(hapd->p2p_beacon_ie); 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P_MANAGER 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) == 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt P2P_MANAGE) 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_p2p_manage(hapd, tailpos); 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P_MANAGER */ 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 93861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_HS20 93961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tailpos = hostapd_eid_hs20_indication(hapd, tailpos); 940f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt tailpos = hostapd_eid_osen(hapd, tailpos); 94161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_HS20 */ 94261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 94361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hapd->conf->vendor_elements) { 94461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements), 94561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpabuf_len(hapd->conf->vendor_elements)); 94661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tailpos += wpabuf_len(hapd->conf->vendor_elements); 94761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 94861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail_len = tailpos > tail ? tailpos - tail : 0; 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp = hostapd_probe_resp_offloads(hapd, &resp_len); 9521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* NEED_AP_MLME */ 9531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 954e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt os_memset(params, 0, sizeof(*params)); 955e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->head = (u8 *) head; 956e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->head_len = head_len; 957e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->tail = tail; 958e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->tail_len = tail_len; 959e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->proberesp = resp; 960e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->proberesp_len = resp_len; 961e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->dtim_period = hapd->conf->dtim_period; 962e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->beacon_int = hapd->iconf->beacon_int; 963e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->basic_rates = hapd->iface->basic_rates; 964e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ssid = hapd->conf->ssid.ssid; 965e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ssid_len = hapd->conf->ssid.ssid_len; 966b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt params->pairwise_ciphers = hapd->conf->wpa_pairwise | 967b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt hapd->conf->rsn_pairwise; 968e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->group_cipher = hapd->conf->wpa_group; 969e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->key_mgmt_suites = hapd->conf->wpa_key_mgmt; 970e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->auth_algs = hapd->conf->auth_algs; 971e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->wpa_version = hapd->conf->wpa; 972e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->privacy = hapd->conf->ssid.wep.keys_set || hapd->conf->wpa || 9731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (hapd->conf->ieee802_1x && 9741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (hapd->conf->default_wep_key_len || 9751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->conf->individual_wep_key_len)); 9761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt switch (hapd->conf->ignore_broadcast_ssid) { 9771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt case 0: 978e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->hide_ssid = NO_SSID_HIDING; 9791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt break; 9801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt case 1: 981e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->hide_ssid = HIDDEN_SSID_ZERO_LEN; 9821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt break; 9831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt case 2: 984e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->hide_ssid = HIDDEN_SSID_ZERO_CONTENTS; 9851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt break; 9861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 987e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->isolate = hapd->conf->isolate; 9886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->smps_mode = hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_MASK; 9891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef NEED_AP_MLME 990e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->cts_protect = !!(ieee802_11_erp_info(hapd) & 9911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ERP_INFO_USE_PROTECTION); 992e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->preamble = hapd->iface->num_sta_no_short_preamble == 0 && 9931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->iconf->preamble == SHORT_PREAMBLE; 9941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->iface->current_mode && 9951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G) 996e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->short_slot_time = 9971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->iface->num_sta_no_short_slot_time > 0 ? 0 : 1; 9981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 999e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->short_slot_time = -1; 10001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n) 1001e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ht_opmode = -1; 10021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 1003e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ht_opmode = hapd->iface->ht_op_mode; 10041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* NEED_AP_MLME */ 1005e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->interworking = hapd->conf->interworking; 10061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->interworking && 10071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt !is_zero_ether_addr(hapd->conf->hessid)) 1008e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->hessid = hapd->conf->hessid; 1009e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->access_network_type = hapd->conf->access_network_type; 1010e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ap_max_inactivity = hapd->conf->ap_max_inactivity; 10117f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt#ifdef CONFIG_P2P 10127f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt params->p2p_go_ctwindow = hapd->iconf->p2p_go_ctwindow; 10137f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt#endif /* CONFIG_P2P */ 101461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_HS20 1015e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->disable_dgaf = hapd->conf->disable_dgaf; 1016f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (hapd->conf->osen) { 1017f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt params->privacy = 1; 1018f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt params->osen = 1; 1019f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 102061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_HS20 */ 1021e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return 0; 1022e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt} 1023e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1024e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1025e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtvoid ieee802_11_free_ap_params(struct wpa_driver_ap_params *params) 1026e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt{ 1027e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt os_free(params->tail); 1028e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->tail = NULL; 1029e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt os_free(params->head); 1030e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->head = NULL; 1031e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt os_free(params->proberesp); 1032e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->proberesp = NULL; 1033e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt} 1034e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1035e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1036fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint ieee802_11_set_beacon(struct hostapd_data *hapd) 1037e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt{ 1038e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt struct wpa_driver_ap_params params; 10397832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt struct hostapd_freq_params freq; 10407832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt struct hostapd_iface *iface = hapd->iface; 10417832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt struct hostapd_config *iconf = iface->conf; 1042e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt struct wpabuf *beacon, *proberesp, *assocresp; 1043fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int res, ret = -1; 1044e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1045d30ac604c9f6da71a0dd7f46d25be05a2a62cfbbDmitry Shmidt if (hapd->csa_in_progress) { 1046e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period"); 1047fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 1048e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt } 1049e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1050e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt hapd->beacon_set_done = 1; 1051e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1052e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt if (ieee802_11_build_ap_params(hapd, ¶ms) < 0) 1053fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return -1; 1054e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1055e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) < 1056e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 0) 1057e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt goto fail; 1058e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 1059e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params.beacon_ies = beacon; 1060e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params.proberesp_ies = proberesp; 1061e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params.assocresp_ies = assocresp; 10627f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt params.reenable = hapd->reenable_beacon; 10637f65602d49069f96a7bb44da8bd79ffe8d4c6a98Dmitry Shmidt hapd->reenable_beacon = 0; 1064e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 10657832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt if (iface->current_mode && 10667832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt hostapd_set_freq_params(&freq, iconf->hw_mode, iface->freq, 10677832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt iconf->channel, iconf->ieee80211n, 10687832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt iconf->ieee80211ac, 10697832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt iconf->secondary_channel, 10707832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt iconf->vht_oper_chwidth, 10717832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt iconf->vht_oper_centr_freq_seg0_idx, 10727832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt iconf->vht_oper_centr_freq_seg1_idx, 10737832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt iface->current_mode->vht_capab) == 0) 10747832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt params.freq = &freq; 10757832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt 1076fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt res = hostapd_drv_set_ap(hapd, ¶ms); 10771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp); 1078fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (res) 1079fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to set beacon parameters"); 1080fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt else 1081fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ret = 0; 1082e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtfail: 1083e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt ieee802_11_free_ap_params(¶ms); 1084fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return ret; 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1088fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint ieee802_11_set_beacons(struct hostapd_iface *iface) 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 1091fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int ret = 0; 1092fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 1093292b0c3a742226c295f8db76eaef9e90c90e7513Dmitry Shmidt for (i = 0; i < iface->num_bss; i++) { 1094fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (iface->bss[i]->started && 1095fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_set_beacon(iface->bss[i]) < 0) 1096fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ret = -1; 1097292b0c3a742226c295f8db76eaef9e90c90e7513Dmitry Shmidt } 1098fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 1099fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return ret; 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 110204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 110304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt/* only update beacons if started */ 1104fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidtint ieee802_11_update_beacons(struct hostapd_iface *iface) 110504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 110604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t i; 1107fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int ret = 0; 1108fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 1109fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt for (i = 0; i < iface->num_bss; i++) { 1110fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (iface->bss[i]->beacon_set_done && iface->bss[i]->started && 1111fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ieee802_11_set_beacon(iface->bss[i]) < 0) 1112fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt ret = -1; 1113fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt } 1114fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 1115fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt return ret; 111604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 111704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NATIVE_WINDOWS */ 1119