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 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 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 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 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 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