![Jouni Malinen](/assets/img/avatar_default.png)
For now, assume that ANQP will always be enabled with Interworking. This may be made separately configurable in the future.
596 lines
15 KiB
C
596 lines
15 KiB
C
/*
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* hostapd - Driver operations
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* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#include "utils/includes.h"
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#include "utils/common.h"
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#include "drivers/driver.h"
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#include "common/ieee802_11_defs.h"
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#include "wps/wps.h"
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#include "hostapd.h"
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#include "ieee802_11.h"
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#include "sta_info.h"
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#include "ap_config.h"
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#include "p2p_hostapd.h"
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#include "ap_drv_ops.h"
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u32 hostapd_sta_flags_to_drv(u32 flags)
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{
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int res = 0;
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if (flags & WLAN_STA_AUTHORIZED)
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res |= WPA_STA_AUTHORIZED;
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if (flags & WLAN_STA_WMM)
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res |= WPA_STA_WMM;
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if (flags & WLAN_STA_SHORT_PREAMBLE)
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res |= WPA_STA_SHORT_PREAMBLE;
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if (flags & WLAN_STA_MFP)
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res |= WPA_STA_MFP;
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return res;
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}
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int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
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struct wpabuf **beacon_ret,
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struct wpabuf **proberesp_ret,
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struct wpabuf **assocresp_ret)
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{
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struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
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u8 buf[100], *pos;
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*beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
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pos = buf;
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pos = hostapd_eid_ext_capab(hapd, pos);
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if (pos != buf) {
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if (wpabuf_resize(&assocresp, pos - buf) != 0)
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goto fail;
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wpabuf_put_data(assocresp, buf, pos - buf);
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}
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pos = hostapd_eid_interworking(hapd, pos);
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pos = hostapd_eid_adv_proto(hapd, pos);
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if (pos != buf) {
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if (wpabuf_resize(&beacon, pos - buf) != 0)
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goto fail;
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wpabuf_put_data(beacon, buf, pos - buf);
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if (wpabuf_resize(&proberesp, pos - buf) != 0)
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goto fail;
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wpabuf_put_data(proberesp, buf, pos - buf);
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}
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if (hapd->wps_beacon_ie) {
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if (wpabuf_resize(&beacon, wpabuf_len(hapd->wps_beacon_ie)) <
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0)
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goto fail;
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wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
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}
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if (hapd->wps_probe_resp_ie) {
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if (wpabuf_resize(&proberesp,
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wpabuf_len(hapd->wps_probe_resp_ie)) < 0)
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goto fail;
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wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
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}
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#ifdef CONFIG_P2P
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if (hapd->p2p_beacon_ie) {
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if (wpabuf_resize(&beacon, wpabuf_len(hapd->p2p_beacon_ie)) <
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0)
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goto fail;
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wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
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}
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if (hapd->p2p_probe_resp_ie) {
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if (wpabuf_resize(&beacon, wpabuf_len(hapd->p2p_probe_resp_ie))
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< 0)
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goto fail;
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wpabuf_put_buf(beacon, hapd->p2p_probe_resp_ie);
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}
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#endif /* CONFIG_P2P */
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#ifdef CONFIG_P2P_MANAGER
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if (hapd->conf->p2p & P2P_MANAGE) {
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if (wpabuf_resize(&beacon, 100) == 0) {
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u8 *start, *p;
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start = wpabuf_put(beacon, 0);
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p = hostapd_eid_p2p_manage(hapd, start);
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wpabuf_put(beacon, p - start);
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}
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if (wpabuf_resize(&proberesp, 100) == 0) {
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u8 *start, *p;
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start = wpabuf_put(proberesp, 0);
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p = hostapd_eid_p2p_manage(hapd, start);
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wpabuf_put(proberesp, p - start);
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}
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}
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#endif /* CONFIG_P2P_MANAGER */
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#ifdef CONFIG_WPS2
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if (hapd->conf->wps_state) {
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struct wpabuf *a = wps_build_assoc_resp_ie();
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if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
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wpabuf_put_buf(assocresp, a);
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wpabuf_free(a);
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}
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#endif /* CONFIG_WPS2 */
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#ifdef CONFIG_P2P_MANAGER
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if (hapd->conf->p2p & P2P_MANAGE) {
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if (wpabuf_resize(&assocresp, 100) == 0) {
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u8 *start, *p;
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start = wpabuf_put(assocresp, 0);
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p = hostapd_eid_p2p_manage(hapd, start);
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wpabuf_put(assocresp, p - start);
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}
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}
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#endif /* CONFIG_P2P_MANAGER */
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*beacon_ret = beacon;
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*proberesp_ret = proberesp;
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*assocresp_ret = assocresp;
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return 0;
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fail:
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wpabuf_free(beacon);
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wpabuf_free(proberesp);
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wpabuf_free(assocresp);
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return -1;
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}
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void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
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struct wpabuf *beacon,
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struct wpabuf *proberesp,
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struct wpabuf *assocresp)
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{
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wpabuf_free(beacon);
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wpabuf_free(proberesp);
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wpabuf_free(assocresp);
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}
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int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
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{
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struct wpabuf *beacon, *proberesp, *assocresp;
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int ret;
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if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
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return 0;
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if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
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0)
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return -1;
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ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
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assocresp);
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hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
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return ret;
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}
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int hostapd_set_authorized(struct hostapd_data *hapd,
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struct sta_info *sta, int authorized)
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{
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if (authorized) {
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return hostapd_sta_set_flags(hapd, sta->addr,
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hostapd_sta_flags_to_drv(
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sta->flags),
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WPA_STA_AUTHORIZED, ~0);
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}
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return hostapd_sta_set_flags(hapd, sta->addr,
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hostapd_sta_flags_to_drv(sta->flags),
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0, ~WPA_STA_AUTHORIZED);
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}
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int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
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{
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int set_flags, total_flags, flags_and, flags_or;
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total_flags = hostapd_sta_flags_to_drv(sta->flags);
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set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
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if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
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sta->auth_alg == WLAN_AUTH_FT) &&
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sta->flags & WLAN_STA_AUTHORIZED)
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set_flags |= WPA_STA_AUTHORIZED;
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flags_or = total_flags & set_flags;
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flags_and = total_flags | ~set_flags;
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return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
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flags_or, flags_and);
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}
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int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
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int enabled)
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{
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struct wpa_bss_params params;
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os_memset(¶ms, 0, sizeof(params));
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params.ifname = ifname;
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params.enabled = enabled;
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if (enabled) {
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params.wpa = hapd->conf->wpa;
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params.ieee802_1x = hapd->conf->ieee802_1x;
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params.wpa_group = hapd->conf->wpa_group;
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params.wpa_pairwise = hapd->conf->wpa_pairwise;
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params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
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params.rsn_preauth = hapd->conf->rsn_preauth;
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#ifdef CONFIG_IEEE80211W
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params.ieee80211w = hapd->conf->ieee80211w;
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#endif /* CONFIG_IEEE80211W */
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}
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return hostapd_set_ieee8021x(hapd, ¶ms);
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}
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int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
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{
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char force_ifname[IFNAMSIZ];
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u8 if_addr[ETH_ALEN];
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return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
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NULL, NULL, force_ifname, if_addr, NULL);
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}
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int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
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{
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return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
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}
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int hostapd_set_wds_sta(struct hostapd_data *hapd, const u8 *addr, int aid,
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int val)
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{
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const char *bridge = NULL;
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if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
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return 0;
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if (hapd->conf->wds_bridge[0])
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bridge = hapd->conf->wds_bridge;
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else if (hapd->conf->bridge[0])
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bridge = hapd->conf->bridge;
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return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
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bridge);
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}
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int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
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u16 auth_alg)
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{
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if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
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return 0;
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return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
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}
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int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
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u16 seq, u16 status, const u8 *ie, size_t len)
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{
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if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
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return 0;
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return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr,
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seq, status, ie, len);
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}
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int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
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int reassoc, u16 status, const u8 *ie, size_t len)
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{
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if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
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return 0;
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return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
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reassoc, status, ie, len);
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}
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int hostapd_sta_add(struct hostapd_data *hapd,
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const u8 *addr, u16 aid, u16 capability,
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const u8 *supp_rates, size_t supp_rates_len,
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u16 listen_interval,
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const struct ieee80211_ht_capabilities *ht_capab,
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u32 flags)
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{
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struct hostapd_sta_add_params params;
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if (hapd->driver == NULL)
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return 0;
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if (hapd->driver->sta_add == NULL)
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return 0;
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os_memset(¶ms, 0, sizeof(params));
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params.addr = addr;
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params.aid = aid;
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params.capability = capability;
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params.supp_rates = supp_rates;
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params.supp_rates_len = supp_rates_len;
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params.listen_interval = listen_interval;
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params.ht_capabilities = ht_capab;
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params.flags = hostapd_sta_flags_to_drv(flags);
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return hapd->driver->sta_add(hapd->drv_priv, ¶ms);
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}
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int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
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u8 *tspec_ie, size_t tspec_ielen)
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{
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if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
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return 0;
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return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
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tspec_ielen);
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}
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int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
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{
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if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
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return 0;
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return hapd->driver->set_privacy(hapd->drv_priv, enabled);
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}
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int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
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size_t elem_len)
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{
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if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
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return 0;
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return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
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}
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int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
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{
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if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
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return 0;
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return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
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}
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int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
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{
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if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
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return 0;
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return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
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}
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int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
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const char *ifname, const u8 *addr, void *bss_ctx,
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void **drv_priv, char *force_ifname, u8 *if_addr,
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const char *bridge)
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{
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if (hapd->driver == NULL || hapd->driver->if_add == NULL)
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return -1;
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return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
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bss_ctx, drv_priv, force_ifname, if_addr,
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bridge);
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}
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int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
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const char *ifname)
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{
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if (hapd->driver == NULL || hapd->driver->if_remove == NULL)
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return -1;
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return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
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}
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int hostapd_set_ieee8021x(struct hostapd_data *hapd,
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struct wpa_bss_params *params)
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{
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if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
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return 0;
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return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
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}
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int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
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const u8 *addr, int idx, u8 *seq)
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{
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if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
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return 0;
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return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
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seq);
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}
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int hostapd_flush(struct hostapd_data *hapd)
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{
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if (hapd->driver == NULL || hapd->driver->flush == NULL)
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return 0;
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return hapd->driver->flush(hapd->drv_priv);
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}
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int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
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int channel, int ht_enabled, int sec_channel_offset)
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{
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struct hostapd_freq_params data;
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if (hapd->driver == NULL)
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return 0;
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if (hapd->driver->set_freq == NULL)
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return 0;
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os_memset(&data, 0, sizeof(data));
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data.mode = mode;
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data.freq = freq;
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data.channel = channel;
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data.ht_enabled = ht_enabled;
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data.sec_channel_offset = sec_channel_offset;
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return hapd->driver->set_freq(hapd->drv_priv, &data);
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}
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int hostapd_set_rts(struct hostapd_data *hapd, int rts)
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{
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if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
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return 0;
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return hapd->driver->set_rts(hapd->drv_priv, rts);
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}
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int hostapd_set_frag(struct hostapd_data *hapd, int frag)
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{
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if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
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return 0;
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return hapd->driver->set_frag(hapd->drv_priv, frag);
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}
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int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
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int total_flags, int flags_or, int flags_and)
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{
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if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
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return 0;
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return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
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flags_or, flags_and);
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}
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int hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
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int *basic_rates, int mode)
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{
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if (hapd->driver == NULL || hapd->driver->set_rate_sets == NULL)
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return 0;
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return hapd->driver->set_rate_sets(hapd->drv_priv, supp_rates,
|
|
basic_rates, mode);
|
|
}
|
|
|
|
|
|
int hostapd_set_country(struct hostapd_data *hapd, const char *country)
|
|
{
|
|
if (hapd->driver == NULL ||
|
|
hapd->driver->set_country == NULL)
|
|
return 0;
|
|
return hapd->driver->set_country(hapd->drv_priv, country);
|
|
}
|
|
|
|
|
|
int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
|
|
int cw_min, int cw_max, int burst_time)
|
|
{
|
|
if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
|
|
return 0;
|
|
return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
|
|
cw_min, cw_max, burst_time);
|
|
}
|
|
|
|
|
|
int hostapd_valid_bss_mask(struct hostapd_data *hapd, const u8 *addr,
|
|
const u8 *mask)
|
|
{
|
|
if (hapd->driver == NULL || hapd->driver->valid_bss_mask == NULL)
|
|
return 1;
|
|
return hapd->driver->valid_bss_mask(hapd->drv_priv, addr, mask);
|
|
}
|
|
|
|
|
|
struct hostapd_hw_modes *
|
|
hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
|
|
u16 *flags)
|
|
{
|
|
if (hapd->driver == NULL ||
|
|
hapd->driver->get_hw_feature_data == NULL)
|
|
return NULL;
|
|
return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
|
|
flags);
|
|
}
|
|
|
|
|
|
int hostapd_driver_commit(struct hostapd_data *hapd)
|
|
{
|
|
if (hapd->driver == NULL || hapd->driver->commit == NULL)
|
|
return 0;
|
|
return hapd->driver->commit(hapd->drv_priv);
|
|
}
|
|
|
|
|
|
int hostapd_drv_none(struct hostapd_data *hapd)
|
|
{
|
|
return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
|
|
}
|
|
|
|
|
|
int hostapd_driver_scan(struct hostapd_data *hapd,
|
|
struct wpa_driver_scan_params *params)
|
|
{
|
|
if (hapd->driver && hapd->driver->scan2)
|
|
return hapd->driver->scan2(hapd->drv_priv, params);
|
|
return -1;
|
|
}
|
|
|
|
|
|
struct wpa_scan_results * hostapd_driver_get_scan_results(
|
|
struct hostapd_data *hapd)
|
|
{
|
|
if (hapd->driver && hapd->driver->get_scan_results2)
|
|
return hapd->driver->get_scan_results2(hapd->drv_priv);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
|
|
int duration)
|
|
{
|
|
if (hapd->driver && hapd->driver->set_noa)
|
|
return hapd->driver->set_noa(hapd->drv_priv, count, start,
|
|
duration);
|
|
return -1;
|
|
}
|
|
|
|
|
|
int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
|
|
enum wpa_alg alg, const u8 *addr,
|
|
int key_idx, int set_tx,
|
|
const u8 *seq, size_t seq_len,
|
|
const u8 *key, size_t key_len)
|
|
{
|
|
if (hapd->driver == NULL || hapd->driver->set_key == NULL)
|
|
return 0;
|
|
return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
|
|
key_idx, set_tx, seq, seq_len, key,
|
|
key_len);
|
|
}
|
|
|
|
|
|
int hostapd_drv_send_mlme(struct hostapd_data *hapd,
|
|
const void *msg, size_t len)
|
|
{
|
|
if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
|
|
return 0;
|
|
return hapd->driver->send_mlme(hapd->drv_priv, msg, len);
|
|
}
|
|
|
|
|
|
int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
|
|
const u8 *addr, int reason)
|
|
{
|
|
if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
|
|
return 0;
|
|
return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
|
|
reason);
|
|
}
|
|
|
|
|
|
int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
|
|
const u8 *addr, int reason)
|
|
{
|
|
if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
|
|
return 0;
|
|
return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
|
|
reason);
|
|
}
|