dce044cce5
Add P2P IE into Beacon, Probe Response, and (Re)Association Request frames for drivers that generate this frames internally.
120 lines
2.8 KiB
C
120 lines
2.8 KiB
C
/*
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* hostapd / P2P integration
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* Copyright (c) 2009-2010, Atheros Communications
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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 "common/ieee802_11_defs.h"
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#include "p2p/p2p.h"
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#include "hostapd.h"
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#include "ap_config.h"
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#include "ap_drv_ops.h"
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#include "sta_info.h"
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#include "p2p_hostapd.h"
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#ifdef CONFIG_P2P
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int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
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char *buf, size_t buflen)
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{
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if (sta->p2p_ie == NULL)
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return 0;
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return p2p_ie_text(sta->p2p_ie, buf, buf + buflen);
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}
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int hostapd_p2p_set_noa(struct hostapd_data *hapd, u8 count, int start,
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int duration)
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{
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wpa_printf(MSG_DEBUG, "P2P: Set NoA parameters: count=%u start=%d "
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"duration=%d", count, start, duration);
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if (count == 0) {
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hapd->noa_enabled = 0;
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hapd->noa_start = 0;
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hapd->noa_duration = 0;
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}
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if (count != 255) {
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wpa_printf(MSG_DEBUG, "P2P: Non-periodic NoA - set "
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"NoA parameters");
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return hostapd_driver_set_noa(hapd, count, start, duration);
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}
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hapd->noa_enabled = 1;
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hapd->noa_start = start;
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hapd->noa_duration = duration;
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if (hapd->num_sta_no_p2p == 0) {
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wpa_printf(MSG_DEBUG, "P2P: No legacy STAs connected - update "
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"periodic NoA parameters");
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return hostapd_driver_set_noa(hapd, count, start, duration);
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}
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wpa_printf(MSG_DEBUG, "P2P: Legacy STA(s) connected - do not enable "
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"periodic NoA");
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return 0;
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}
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void hostapd_p2p_non_p2p_sta_connected(struct hostapd_data *hapd)
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{
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wpa_printf(MSG_DEBUG, "P2P: First non-P2P device connected");
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if (hapd->noa_enabled) {
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wpa_printf(MSG_DEBUG, "P2P: Disable periodic NoA");
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hostapd_driver_set_noa(hapd, 0, 0, 0);
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}
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}
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void hostapd_p2p_non_p2p_sta_disconnected(struct hostapd_data *hapd)
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{
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wpa_printf(MSG_DEBUG, "P2P: Last non-P2P device disconnected");
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if (hapd->noa_enabled) {
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wpa_printf(MSG_DEBUG, "P2P: Enable periodic NoA");
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hostapd_driver_set_noa(hapd, 255, hapd->noa_start,
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hapd->noa_duration);
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}
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}
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#endif /* CONFIG_P2P */
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#ifdef CONFIG_P2P_MANAGER
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u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid)
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{
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u8 bitmap;
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*eid++ = WLAN_EID_VENDOR_SPECIFIC;
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*eid++ = 4 + 3 + 1;
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WPA_PUT_BE24(eid, OUI_WFA);
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eid += 3;
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*eid++ = P2P_OUI_TYPE;
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*eid++ = P2P_ATTR_MANAGEABILITY;
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WPA_PUT_LE16(eid, 1);
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eid += 2;
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bitmap = P2P_MAN_DEVICE_MANAGEMENT;
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if (hapd->conf->p2p & P2P_ALLOW_CROSS_CONNECTION)
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bitmap |= P2P_MAN_CROSS_CONNECTION_PERMITTED;
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bitmap |= P2P_MAN_COEXISTENCE_OPTIONAL;
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*eid++ = bitmap;
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return eid;
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}
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#endif /* CONFIG_P2P_MANAGER */
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