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
hostapd_p2p_get_mib_sta(struct hostapd_data * hapd,struct sta_info * sta,char * buf,size_t buflen)23 int 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
hostapd_p2p_set_noa(struct hostapd_data * hapd,u8 count,int start,int duration)33 int 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
hostapd_p2p_non_p2p_sta_connected(struct hostapd_data * hapd)68 void 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
hostapd_p2p_non_p2p_sta_disconnected(struct hostapd_data * hapd)79 void 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
hostapd_eid_p2p_manage(struct hostapd_data * hapd,u8 * eid)94 u8 * 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