1 /* 2 * hostapd / P2P integration 3 * Copyright (c) 2009-2010, Atheros Communications 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #include "utils/includes.h" 16 17 #include "utils/common.h" 18 #include "common/ieee802_11_defs.h" 19 #include "p2p/p2p.h" 20 #include "hostapd.h" 21 #include "ap_config.h" 22 #include "ap_drv_ops.h" 23 #include "sta_info.h" 24 #include "p2p_hostapd.h" 25 26 27 #ifdef CONFIG_P2P 28 29 int hostapd_p2p_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta, 30 char *buf, size_t buflen) 31 { 32 if (sta->p2p_ie == NULL) 33 return 0; 34 35 return p2p_ie_text(sta->p2p_ie, buf, buf + buflen); 36 } 37 38 39 int hostapd_p2p_set_noa(struct hostapd_data *hapd, u8 count, int start, 40 int duration) 41 { 42 wpa_printf(MSG_DEBUG, "P2P: Set NoA parameters: count=%u start=%d " 43 "duration=%d", count, start, duration); 44 45 if (count == 0) { 46 hapd->noa_enabled = 0; 47 hapd->noa_start = 0; 48 hapd->noa_duration = 0; 49 } 50 51 if (count != 255) { 52 wpa_printf(MSG_DEBUG, "P2P: Non-periodic NoA - set " 53 "NoA parameters"); 54 return hostapd_driver_set_noa(hapd, count, start, duration); 55 } 56 57 hapd->noa_enabled = 1; 58 hapd->noa_start = start; 59 hapd->noa_duration = duration; 60 61 if (hapd->num_sta_no_p2p == 0) { 62 wpa_printf(MSG_DEBUG, "P2P: No legacy STAs connected - update " 63 "periodic NoA parameters"); 64 return hostapd_driver_set_noa(hapd, count, start, duration); 65 } 66 67 wpa_printf(MSG_DEBUG, "P2P: Legacy STA(s) connected - do not enable " 68 "periodic NoA"); 69 70 return 0; 71 } 72 73 74 void hostapd_p2p_non_p2p_sta_connected(struct hostapd_data *hapd) 75 { 76 wpa_printf(MSG_DEBUG, "P2P: First non-P2P device connected"); 77 78 if (hapd->noa_enabled) { 79 wpa_printf(MSG_DEBUG, "P2P: Disable periodic NoA"); 80 hostapd_driver_set_noa(hapd, 0, 0, 0); 81 } 82 } 83 84 85 void hostapd_p2p_non_p2p_sta_disconnected(struct hostapd_data *hapd) 86 { 87 wpa_printf(MSG_DEBUG, "P2P: Last non-P2P device disconnected"); 88 89 if (hapd->noa_enabled) { 90 wpa_printf(MSG_DEBUG, "P2P: Enable periodic NoA"); 91 hostapd_driver_set_noa(hapd, 255, hapd->noa_start, 92 hapd->noa_duration); 93 } 94 } 95 96 #endif /* CONFIG_P2P */ 97 98 99 #ifdef CONFIG_P2P_MANAGER 100 u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid) 101 { 102 u8 bitmap; 103 *eid++ = WLAN_EID_VENDOR_SPECIFIC; 104 *eid++ = 4 + 3 + 1; 105 WPA_PUT_BE24(eid, OUI_WFA); 106 eid += 3; 107 *eid++ = P2P_OUI_TYPE; 108 109 *eid++ = P2P_ATTR_MANAGEABILITY; 110 WPA_PUT_LE16(eid, 1); 111 eid += 2; 112 bitmap = P2P_MAN_DEVICE_MANAGEMENT; 113 if (hapd->conf->p2p & P2P_ALLOW_CROSS_CONNECTION) 114 bitmap |= P2P_MAN_CROSS_CONNECTION_PERMITTED; 115 bitmap |= P2P_MAN_COEXISTENCE_OPTIONAL; 116 *eid++ = bitmap; 117 118 return eid; 119 } 120 #endif /* CONFIG_P2P_MANAGER */ 121