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      1 /*
      2  * EAPOL definitions shared between hostapd and wpa_supplicant
      3  * Copyright (c) 2002-2007, Jouni Malinen <j (at) w1.fi>
      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 #ifndef EAPOL_COMMON_H
     16 #define EAPOL_COMMON_H
     17 
     18 /* IEEE Std 802.1X-2004 */
     19 
     20 #ifdef _MSC_VER
     21 #pragma pack(push, 1)
     22 #endif /* _MSC_VER */
     23 
     24 struct ieee802_1x_hdr {
     25 	u8 version;
     26 	u8 type;
     27 	be16 length;
     28 	/* followed by length octets of data */
     29 } STRUCT_PACKED;
     30 
     31 #ifdef _MSC_VER
     32 #pragma pack(pop)
     33 #endif /* _MSC_VER */
     34 
     35 #define EAPOL_VERSION 2
     36 
     37 enum { IEEE802_1X_TYPE_EAP_PACKET = 0,
     38        IEEE802_1X_TYPE_EAPOL_START = 1,
     39        IEEE802_1X_TYPE_EAPOL_LOGOFF = 2,
     40        IEEE802_1X_TYPE_EAPOL_KEY = 3,
     41        IEEE802_1X_TYPE_EAPOL_ENCAPSULATED_ASF_ALERT = 4
     42 };
     43 
     44 enum { EAPOL_KEY_TYPE_RC4 = 1, EAPOL_KEY_TYPE_RSN = 2,
     45        EAPOL_KEY_TYPE_WPA = 254 };
     46 
     47 #endif /* EAPOL_COMMON_H */
     48