hostapd/hostapd_defs.h

/*
 * hostapd / Initialization and configuration
 * Host AP kernel driver
 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#ifndef HOSTAPD_DEFS_H
#define HOSTAPD_DEFS_H

#ifndef ETH_ALEN
#define ETH_ALEN 6
#endif
#ifndef IFNAMSIZ
#define IFNAMSIZ 16
#endif
#ifndef ETH_P_ALL
#define ETH_P_ALL 0x0003
#endif
#ifndef ETH_P_PAE
#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
#endif /* ETH_P_PAE */
#ifndef ETH_P_EAPOL
#define ETH_P_EAPOL ETH_P_PAE
#endif /* ETH_P_EAPOL */

#ifndef ETH_P_RRB
#define ETH_P_RRB 0x890D
#endif /* ETH_P_RRB */

#ifdef _MSC_VER
#pragma pack(push, 1)
#endif /* _MSC_VER */

#define MAX_VLAN_ID 4094

struct ieee8023_hdr {
	u8 dest[6];
	u8 src[6];
	u16 ethertype;
} STRUCT_PACKED;


struct ieee80211_hdr {
	le16 frame_control;
	le16 duration_id;
	u8 addr1[6];
	u8 addr2[6];
	u8 addr3[6];
	le16 seq_ctrl;
	/* followed by 'u8 addr4[6];' if ToDS and FromDS is set in data frame
	 */
} STRUCT_PACKED;

#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */

#define IEEE80211_DA_FROMDS addr1
#define IEEE80211_BSSID_FROMDS addr2
#define IEEE80211_SA_FROMDS addr3

#define IEEE80211_HDRLEN (sizeof(struct ieee80211_hdr))

#define IEEE80211_FC(type, stype) host_to_le16((type << 2) | (stype << 4))

/* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
 * frames that might be longer than normal default MTU and they are not
 * fragmented */
#define HOSTAPD_MTU 2290

#endif /* HOSTAPD_DEFS_H */