| Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame^] | 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 */ |