1/*
2 * hostapd / P2P integration
3 * Copyright (c) 2009-2010, Atheros Communications
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#include "utils/includes.h"
10
11#include "utils/common.h"
12#include "common/ieee802_11_defs.h"
13#include "p2p/p2p.h"
14#include "hostapd.h"
15#include "ap_config.h"
16#include "ap_drv_ops.h"
17#include "sta_info.h"
18#include "p2p_hostapd.h"
19
20
21#ifdef CONFIG_P2P
22
23int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
24			    char *buf, size_t buflen)
25{
26	if (sta->p2p_ie == NULL)
27		return 0;
28
29	return p2p_ie_text(sta->p2p_ie, buf, buf + buflen);
30}
31
32
33int hostapd_p2p_set_noa(struct hostapd_data *hapd, u8 count, int start,
34			int duration)
35{
36	wpa_printf(MSG_DEBUG, "P2P: Set NoA parameters: count=%u start=%d "
37		   "duration=%d", count, start, duration);
38
39	if (count == 0) {
40		hapd->noa_enabled = 0;
41		hapd->noa_start = 0;
42		hapd->noa_duration = 0;
43	}
44
45	if (count != 255) {
46		wpa_printf(MSG_DEBUG, "P2P: Non-periodic NoA - set "
47			   "NoA parameters");
48		return hostapd_driver_set_noa(hapd, count, start, duration);
49	}
50
51	hapd->noa_enabled = 1;
52	hapd->noa_start = start;
53	hapd->noa_duration = duration;
54
55	if (hapd->num_sta_no_p2p == 0) {
56		wpa_printf(MSG_DEBUG, "P2P: No legacy STAs connected - update "
57			   "periodic NoA parameters");
58		return hostapd_driver_set_noa(hapd, count, start, duration);
59	}
60
61	wpa_printf(MSG_DEBUG, "P2P: Legacy STA(s) connected - do not enable "
62		   "periodic NoA");
63
64	return 0;
65}
66
67
68void hostapd_p2p_non_p2p_sta_connected(struct hostapd_data *hapd)
69{
70	wpa_printf(MSG_DEBUG, "P2P: First non-P2P device connected");
71
72	if (hapd->noa_enabled) {
73		wpa_printf(MSG_DEBUG, "P2P: Disable periodic NoA");
74		hostapd_driver_set_noa(hapd, 0, 0, 0);
75	}
76}
77
78
79void hostapd_p2p_non_p2p_sta_disconnected(struct hostapd_data *hapd)
80{
81	wpa_printf(MSG_DEBUG, "P2P: Last non-P2P device disconnected");
82
83	if (hapd->noa_enabled) {
84		wpa_printf(MSG_DEBUG, "P2P: Enable periodic NoA");
85		hostapd_driver_set_noa(hapd, 255, hapd->noa_start,
86				       hapd->noa_duration);
87	}
88}
89
90#endif /* CONFIG_P2P */
91
92
93#ifdef CONFIG_P2P_MANAGER
94u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid)
95{
96	u8 bitmap;
97	*eid++ = WLAN_EID_VENDOR_SPECIFIC;
98	*eid++ = 4 + 3 + 1;
99	WPA_PUT_BE32(eid, P2P_IE_VENDOR_TYPE);
100	eid += 4;
101
102	*eid++ = P2P_ATTR_MANAGEABILITY;
103	WPA_PUT_LE16(eid, 1);
104	eid += 2;
105	bitmap = P2P_MAN_DEVICE_MANAGEMENT;
106	if (hapd->conf->p2p & P2P_ALLOW_CROSS_CONNECTION)
107		bitmap |= P2P_MAN_CROSS_CONNECTION_PERMITTED;
108	bitmap |= P2P_MAN_COEXISTENCE_OPTIONAL;
109	*eid++ = bitmap;
110
111	return eid;
112}
113#endif /* CONFIG_P2P_MANAGER */
114