ieee802_11_shared.c revision f21452aea786ac056eb01f1cbba4f553bd502747
11f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt/* 21f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * hostapd / IEEE 802.11 Management 304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> 41f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 71f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 81f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 91f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "utils/includes.h" 101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "utils/common.h" 121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "common/ieee802_11_defs.h" 131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "hostapd.h" 141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "sta_info.h" 151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "ap_config.h" 161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "ap_drv_ops.h" 171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "ieee802_11.h" 181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_IEEE80211W 211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtu8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd, 231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct sta_info *sta, u8 *eid) 241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *pos = eid; 261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u32 timeout, tu; 2704f534e89ed127da4077485376f24debc50d80d5Dmitry Shmidt struct os_reltime now, passed; 281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_EID_TIMEOUT_INTERVAL; 301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 5; 311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_TIMEOUT_ASSOC_COMEBACK; 3204f534e89ed127da4077485376f24debc50d80d5Dmitry Shmidt os_get_reltime(&now); 3304f534e89ed127da4077485376f24debc50d80d5Dmitry Shmidt os_reltime_sub(&now, &sta->sa_query_start, &passed); 341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tu = (passed.sec * 1000000 + passed.usec) / 1024; 351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->assoc_sa_query_max_timeout > tu) 361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt timeout = hapd->conf->assoc_sa_query_max_timeout - tu; 371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt timeout = 0; 391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (timeout < hapd->conf->assoc_sa_query_max_timeout) 401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt timeout++; /* add some extra time for local timers */ 411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_PUT_LE32(pos, timeout); 421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += 4; 431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return pos; 451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt/* MLME-SAQuery.request */ 491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid ieee802_11_send_sa_query_req(struct hostapd_data *hapd, 501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *addr, const u8 *trans_id) 511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct ieee80211_mgmt mgmt; 531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *end; 541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Request to " 561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MACSTR, MAC2STR(addr)); 571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID", 581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt trans_id, WLAN_SA_QUERY_TR_ID_LEN); 591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memset(&mgmt, 0, sizeof(mgmt)); 611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_FC_STYPE_ACTION); 631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(mgmt.da, addr, ETH_ALEN); 641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN); 651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN); 661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt mgmt.u.action.category = WLAN_ACTION_SA_QUERY; 671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt mgmt.u.action.u.sa_query_req.action = WLAN_SA_QUERY_REQUEST; 681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(mgmt.u.action.u.sa_query_req.trans_id, trans_id, 691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_SA_QUERY_TR_ID_LEN); 701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt end = mgmt.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN; 711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hostapd_drv_send_mlme(hapd, &mgmt, end - (u8 *) &mgmt, 0) < 0) 72cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "ieee802_11_send_sa_query_req: send failed"); 731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic void ieee802_11_send_sa_query_resp(struct hostapd_data *hapd, 771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *sa, const u8 *trans_id) 781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct sta_info *sta; 801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct ieee80211_mgmt resp; 811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *end; 821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Request from " 841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MACSTR, MAC2STR(sa)); 851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID", 861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt trans_id, WLAN_SA_QUERY_TR_ID_LEN); 871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt sta = ap_get_sta(hapd, sa); 891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) { 901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignore SA Query Request " 911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "from unassociated STA " MACSTR, MAC2STR(sa)); 921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Response to " 961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MACSTR, MAC2STR(sa)); 971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memset(&resp, 0, sizeof(resp)); 991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 1001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_FC_STYPE_ACTION); 1011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp.da, sa, ETH_ALEN); 1021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp.sa, hapd->own_addr, ETH_ALEN); 1031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp.bssid, hapd->own_addr, ETH_ALEN); 1041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp.u.action.category = WLAN_ACTION_SA_QUERY; 1051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp.u.action.u.sa_query_req.action = WLAN_SA_QUERY_RESPONSE; 1061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp.u.action.u.sa_query_req.trans_id, trans_id, 1071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_SA_QUERY_TR_ID_LEN); 1081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt end = resp.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN; 1091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hostapd_drv_send_mlme(hapd, &resp, end - (u8 *) &resp, 0) < 0) 110cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "ieee80211_mgmt_sa_query_request: send failed"); 1111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 1121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid ieee802_11_sa_query_action(struct hostapd_data *hapd, const u8 *sa, 1151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 action_type, const u8 *trans_id) 1161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 1171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct sta_info *sta; 1181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int i; 1191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (action_type == WLAN_SA_QUERY_REQUEST) { 1211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ieee802_11_send_sa_query_resp(hapd, sa, trans_id); 1221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 1231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (action_type != WLAN_SA_QUERY_RESPONSE) { 1261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected SA Query " 1271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Action %d", action_type); 1281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 1291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Response from " 1321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MACSTR, MAC2STR(sa)); 1331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID", 1341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt trans_id, WLAN_SA_QUERY_TR_ID_LEN); 1351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* MLME-SAQuery.confirm */ 1371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt sta = ap_get_sta(hapd, sa); 1391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (sta == NULL || sta->sa_query_trans_id == NULL) { 1401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with " 1411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "pending SA Query request found"); 1421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 1431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt for (i = 0; i < sta->sa_query_count; i++) { 1461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (os_memcmp(sta->sa_query_trans_id + 1471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt i * WLAN_SA_QUERY_TR_ID_LEN, 1481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt trans_id, WLAN_SA_QUERY_TR_ID_LEN) == 0) 1491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt break; 1501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (i >= sta->sa_query_count) { 1531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching SA Query " 1541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "transaction identifier found"); 1551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 1561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, 1591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt HOSTAPD_LEVEL_DEBUG, 1601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Reply to pending SA Query received"); 1611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ap_sta_stop_sa_query(hapd, sta); 1621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 1631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_IEEE80211W */ 1651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 167444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidtstatic void hostapd_ext_capab_byte(struct hostapd_data *hapd, u8 *pos, int idx) 168444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt{ 169444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos = 0x00; 170444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt 171444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt switch (idx) { 172444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt case 0: /* Bits 0-7 */ 173444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt break; 174444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt case 1: /* Bits 8-15 */ 175444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt break; 176444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt case 2: /* Bits 16-23 */ 177444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (hapd->conf->wnm_sleep_mode) 178444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */ 179444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (hapd->conf->bss_transition) 180444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= 0x08; /* Bit 19 - BSS Transition */ 181444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt break; 182444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt case 3: /* Bits 24-31 */ 183444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt#ifdef CONFIG_WNM 184444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= 0x02; /* Bit 25 - SSID List */ 185444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt#endif /* CONFIG_WNM */ 186444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (hapd->conf->time_advertisement == 2) 187444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= 0x08; /* Bit 27 - UTC TSF Offset */ 188444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (hapd->conf->interworking) 189444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= 0x80; /* Bit 31 - Interworking */ 190444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt break; 191444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt case 4: /* Bits 32-39 */ 192051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt if (hapd->conf->qos_map_set_len) 193051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt *pos |= 0x01; /* Bit 32 - QoS Map */ 194444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (hapd->conf->tdls & TDLS_PROHIBIT) 195444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= 0x40; /* Bit 38 - TDLS Prohibited */ 196444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (hapd->conf->tdls & TDLS_PROHIBIT_CHAN_SWITCH) { 197444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt /* Bit 39 - TDLS Channel Switching Prohibited */ 198444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= 0x80; 199444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt } 200444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt break; 201444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt case 5: /* Bits 40-47 */ 202f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_HS20 203f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (hapd->conf->hs20) 204f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *pos |= 0x40; /* Bit 46 - WNM-Notification */ 205f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_HS20 */ 206444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt break; 207444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt case 6: /* Bits 48-55 */ 208444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (hapd->conf->ssid.utf8_ssid) 209444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= 0x01; /* Bit 48 - UTF-8 SSID */ 210444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt break; 211444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt } 212444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt} 213444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt 214444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt 2151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtu8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid) 2161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 2171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *pos = eid; 218444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt u8 len = 0, i; 2191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->tdls & (TDLS_PROHIBIT | TDLS_PROHIBIT_CHAN_SWITCH)) 2211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt len = 5; 2221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (len < 4 && hapd->conf->interworking) 2231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt len = 4; 224a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (len < 3 && hapd->conf->wnm_sleep_mode) 225a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt len = 3; 226a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (len < 7 && hapd->conf->ssid.utf8_ssid) 227a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt len = 7; 228a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt#ifdef CONFIG_WNM 229a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (len < 4) 230a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt len = 4; 231a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt#endif /* CONFIG_WNM */ 232f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_HS20 233f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (hapd->conf->hs20 && len < 6) 234f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt len = 6; 235f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_HS20 */ 236444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (len < hapd->iface->extended_capa_len) 237444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt len = hapd->iface->extended_capa_len; 2381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (len == 0) 2391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 2401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_EID_EXT_CAPAB; 2421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = len; 243444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt for (i = 0; i < len; i++, pos++) { 244444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt hostapd_ext_capab_byte(hapd, pos, i); 2451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 246444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (i < hapd->iface->extended_capa_len) { 247444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos &= ~hapd->iface->extended_capa_mask[i]; 248444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt *pos |= hapd->iface->extended_capa[i]; 249444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt } 250444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt } 251a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 252444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt while (len > 0 && eid[1 + len] == 0) { 253444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt len--; 254444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt eid[1] = len; 255444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt } 256444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt if (len == 0) 257444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt return eid; 258a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 259444d567b27731d8572ef37697dd12fd1c37c2f24Dmitry Shmidt return eid + 2 + len; 2601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 2611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 263051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidtu8 * hostapd_eid_qos_map_set(struct hostapd_data *hapd, u8 *eid) 264051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt{ 265051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt u8 *pos = eid; 266051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt u8 len = hapd->conf->qos_map_set_len; 267051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 268051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt if (!len) 269051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt return eid; 270051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 271051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt *pos++ = WLAN_EID_QOS_MAP_SET; 272051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt *pos++ = len; 273051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt os_memcpy(pos, hapd->conf->qos_map_set, len); 274051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt pos += len; 275051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 276051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt return pos; 277051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt} 278051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 279051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 2801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtu8 * hostapd_eid_interworking(struct hostapd_data *hapd, u8 *eid) 2811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 2821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *pos = eid; 2831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_INTERWORKING 2841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *len; 2851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!hapd->conf->interworking) 2871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 2881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_EID_INTERWORKING; 2901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt len = pos++; 2911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos = hapd->conf->access_network_type; 2931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->internet) 2941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos |= INTERWORKING_ANO_INTERNET; 2951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->asra) 2961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos |= INTERWORKING_ANO_ASRA; 2971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->esr) 2981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos |= INTERWORKING_ANO_ESR; 2991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->uesa) 3001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos |= INTERWORKING_ANO_UESA; 3011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos++; 3021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->venue_info_set) { 3041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = hapd->conf->venue_group; 3051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = hapd->conf->venue_type; 3061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!is_zero_ether_addr(hapd->conf->hessid)) { 3091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(pos, hapd->conf->hessid, ETH_ALEN); 3101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += ETH_ALEN; 3111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *len = pos - len - 1; 3141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_INTERWORKING */ 3151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return pos; 3171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 3181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtu8 * hostapd_eid_adv_proto(struct hostapd_data *hapd, u8 *eid) 3211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 3221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *pos = eid; 3231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_INTERWORKING 3241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* TODO: Separate configuration for ANQP? */ 3261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!hapd->conf->interworking) 3271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 3281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_EID_ADV_PROTO; 3301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 2; 3311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 0x7F; /* Query Response Length Limit | PAME-BI */ 3321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = ACCESS_NETWORK_QUERY_PROTOCOL; 3331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_INTERWORKING */ 3341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return pos; 3361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 3371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtu8 * hostapd_eid_roaming_consortium(struct hostapd_data *hapd, u8 *eid) 3401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 3411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *pos = eid; 3421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_INTERWORKING 3431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *len; 3441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt unsigned int i, count; 3451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!hapd->conf->interworking || 3471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->conf->roaming_consortium == NULL || 3481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->conf->roaming_consortium_count == 0) 3491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 3501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_EID_ROAMING_CONSORTIUM; 3521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt len = pos++; 3531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Number of ANQP OIs (in addition to the max 3 listed here) */ 3551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->roaming_consortium_count > 3 + 255) 3561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 255; 3571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else if (hapd->conf->roaming_consortium_count > 3) 3581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = hapd->conf->roaming_consortium_count - 3; 3591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 3601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 0; 3611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* OU #1 and #2 Lengths */ 3631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos = hapd->conf->roaming_consortium[0].len; 3641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->roaming_consortium_count > 1) 3651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos |= hapd->conf->roaming_consortium[1].len << 4; 3661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos++; 3671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->roaming_consortium_count > 3) 3691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt count = 3; 3701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 3711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt count = hapd->conf->roaming_consortium_count; 3721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt for (i = 0; i < count; i++) { 3741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(pos, hapd->conf->roaming_consortium[i].oi, 3751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->conf->roaming_consortium[i].len); 3761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += hapd->conf->roaming_consortium[i].len; 3771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *len = pos - len - 1; 3801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_INTERWORKING */ 3811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return pos; 3831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 3841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtu8 * hostapd_eid_time_adv(struct hostapd_data *hapd, u8 *eid) 3871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 3881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->time_advertisement != 2) 3891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 3901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->time_adv == NULL && 3921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hostapd_update_time_adv(hapd) < 0) 3931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 3941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->time_adv == NULL) 3961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 3971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(eid, wpabuf_head(hapd->time_adv), 3991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_len(hapd->time_adv)); 4001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt eid += wpabuf_len(hapd->time_adv); 4011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 4031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 4041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtu8 * hostapd_eid_time_zone(struct hostapd_data *hapd, u8 *eid) 4071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 4081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t len; 4091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->time_advertisement != 2) 4111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 4121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt len = os_strlen(hapd->conf->time_zone); 4141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *eid++ = WLAN_EID_TIME_ZONE; 4161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *eid++ = len; 4171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(eid, hapd->conf->time_zone, len); 4181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt eid += len; 4191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return eid; 4211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 4221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtint hostapd_update_time_adv(struct hostapd_data *hapd) 4251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 4261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const int elen = 2 + 1 + 10 + 5 + 1; 4271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct os_time t; 4281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct os_tm tm; 4291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *pos; 4301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->time_advertisement != 2) 4321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 4331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (os_get_time(&t) < 0 || os_gmtime(t.sec, &tm) < 0) 4351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 4361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!hapd->time_adv) { 4381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->time_adv = wpabuf_alloc(elen); 4391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->time_adv == NULL) 4401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 4411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = wpabuf_put(hapd->time_adv, elen); 4421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else 4431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = wpabuf_mhead_u8(hapd->time_adv); 4441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_EID_TIME_ADVERTISEMENT; 4461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 1 + 10 + 5 + 1; 4471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 2; /* UTC time at which the TSF timer is 0 */ 4491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Time Value at TSF 0 */ 4511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* FIX: need to calculate this based on the current TSF value */ 4521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_PUT_LE16(pos, tm.year); /* Year */ 4531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += 2; 4541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = tm.month; /* Month */ 4551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = tm.day; /* Day of month */ 4561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = tm.hour; /* Hours */ 4571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = tm.min; /* Minutes */ 4581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = tm.sec; /* Seconds */ 4591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_PUT_LE16(pos, 0); /* Milliseconds (not used) */ 4601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += 2; 4611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 0; /* Reserved */ 4621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Time Error */ 4641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* TODO: fill in an estimate on the error */ 4651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 0; 4661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 0; 4671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 0; 4681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 0; 4691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = 0; 4701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = hapd->time_update_counter++; 4721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 4741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 47504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 47604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 47704949598a23f501be6eec21697465fd46a28840aDmitry Shmidtu8 * hostapd_eid_bss_max_idle_period(struct hostapd_data *hapd, u8 *eid) 47804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 47904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 *pos = eid; 48004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 48104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WNM 48204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (hapd->conf->ap_max_inactivity > 0) { 48304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt unsigned int val; 48404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt *pos++ = WLAN_EID_BSS_MAX_IDLE_PERIOD; 48504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt *pos++ = 3; 48604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt val = hapd->conf->ap_max_inactivity; 48704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (val > 68000) 48804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt val = 68000; 48904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt val *= 1000; 49004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt val /= 1024; 49104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (val == 0) 49204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt val = 1; 49304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (val > 65535) 49404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt val = 65535; 49504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPA_PUT_LE16(pos, val); 49604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pos += 2; 49704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt *pos++ = 0x00; /* TODO: Protected Keep-Alive Required */ 49804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 49904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WNM */ 50004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 50104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return pos; 50204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 503