hostap/src/ap/p2p_hostapd.c

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/*
* hostapd / P2P integration
* Copyright (c) 2009-2010, Atheros Communications
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*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
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#include "p2p/p2p.h"
#include "hostapd.h"
#include "ap_config.h"
#include "ap_drv_ops.h"
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#include "sta_info.h"
#include "p2p_hostapd.h"
#ifdef CONFIG_P2P
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int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
char *buf, size_t buflen)
{
if (sta->p2p_ie == NULL)
return 0;
return p2p_ie_text(sta->p2p_ie, buf, buf + buflen);
}
int hostapd_p2p_set_noa(struct hostapd_data *hapd, u8 count, int start,
int duration)
{
wpa_printf(MSG_DEBUG, "P2P: Set NoA parameters: count=%u start=%d "
"duration=%d", count, start, duration);
if (count == 0) {
hapd->noa_enabled = 0;
hapd->noa_start = 0;
hapd->noa_duration = 0;
}
if (count != 255) {
wpa_printf(MSG_DEBUG, "P2P: Non-periodic NoA - set "
"NoA parameters");
return hostapd_driver_set_noa(hapd, count, start, duration);
}
hapd->noa_enabled = 1;
hapd->noa_start = start;
hapd->noa_duration = duration;
if (hapd->num_sta_no_p2p == 0) {
wpa_printf(MSG_DEBUG, "P2P: No legacy STAs connected - update "
"periodic NoA parameters");
return hostapd_driver_set_noa(hapd, count, start, duration);
}
wpa_printf(MSG_DEBUG, "P2P: Legacy STA(s) connected - do not enable "
"periodic NoA");
return 0;
}
void hostapd_p2p_non_p2p_sta_connected(struct hostapd_data *hapd)
{
wpa_printf(MSG_DEBUG, "P2P: First non-P2P device connected");
if (hapd->noa_enabled) {
wpa_printf(MSG_DEBUG, "P2P: Disable periodic NoA");
hostapd_driver_set_noa(hapd, 0, 0, 0);
}
}
void hostapd_p2p_non_p2p_sta_disconnected(struct hostapd_data *hapd)
{
wpa_printf(MSG_DEBUG, "P2P: Last non-P2P device disconnected");
if (hapd->noa_enabled) {
wpa_printf(MSG_DEBUG, "P2P: Enable periodic NoA");
hostapd_driver_set_noa(hapd, 255, hapd->noa_start,
hapd->noa_duration);
}
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid)
{
u8 bitmap;
*eid++ = WLAN_EID_VENDOR_SPECIFIC;
*eid++ = 4 + 3 + 1;
WPA_PUT_BE24(eid, OUI_WFA);
eid += 3;
*eid++ = P2P_OUI_TYPE;
*eid++ = P2P_ATTR_MANAGEABILITY;
WPA_PUT_LE16(eid, 1);
eid += 2;
bitmap = P2P_MAN_DEVICE_MANAGEMENT;
if (hapd->conf->p2p & P2P_ALLOW_CROSS_CONNECTION)
bitmap |= P2P_MAN_CROSS_CONNECTION_PERMITTED;
bitmap |= P2P_MAN_COEXISTENCE_OPTIONAL;
*eid++ = bitmap;
return eid;
}
#endif /* CONFIG_P2P_MANAGER */