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Diffstat (limited to 'drivers/staging/rt2870/wpa.h')
-rw-r--r--drivers/staging/rt2870/wpa.h357
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diff --git a/drivers/staging/rt2870/wpa.h b/drivers/staging/rt2870/wpa.h
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+/*
+ *************************************************************************
+ * Ralink Tech Inc.
+ * 5F., No.36, Taiyuan St., Jhubei City,
+ * Hsinchu County 302,
+ * Taiwan, R.O.C.
+ *
+ * (c) Copyright 2002-2007, Ralink Technology, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * *
+ *************************************************************************
+
+ Module Name:
+ wpa.h
+
+ Abstract:
+
+ Revision History:
+ Who When What
+ -------- ---------- ----------------------------------------------
+ Name Date Modification logs
+*/
+
+#ifndef __WPA_H__
+#define __WPA_H__
+
+// EAPOL Key descripter frame format related length
+#define LEN_KEY_DESC_NONCE 32
+#define LEN_KEY_DESC_IV 16
+#define LEN_KEY_DESC_RSC 8
+#define LEN_KEY_DESC_ID 8
+#define LEN_KEY_DESC_REPLAY 8
+#define LEN_KEY_DESC_MIC 16
+
+// The length is the EAPoL-Key frame except key data field.
+// Please refer to 802.11i-2004 ,Figure 43u in p.78
+#define LEN_EAPOL_KEY_MSG (sizeof(KEY_DESCRIPTER) - MAX_LEN_OF_RSNIE)
+
+// EAP Code Type.
+#define EAP_CODE_REQUEST 1
+#define EAP_CODE_RESPONSE 2
+#define EAP_CODE_SUCCESS 3
+#define EAP_CODE_FAILURE 4
+
+// EAPOL frame Protocol Version
+#define EAPOL_VER 1
+#define EAPOL_VER2 2
+
+// EAPOL-KEY Descriptor Type
+#define WPA1_KEY_DESC 0xfe
+#define WPA2_KEY_DESC 0x02
+
+// Key Descriptor Version of Key Information
+#define DESC_TYPE_TKIP 1
+#define DESC_TYPE_AES 2
+#define DESC_TYPE_MESH 3
+
+#define LEN_MSG1_2WAY 0x7f
+#define MAX_LEN_OF_EAP_HS 256
+
+#define LEN_MASTER_KEY 32
+
+// EAPOL EK, MK
+#define LEN_EAP_EK 16
+#define LEN_EAP_MICK 16
+#define LEN_EAP_KEY ((LEN_EAP_EK)+(LEN_EAP_MICK))
+// TKIP key related
+#define LEN_PMKID 16
+#define LEN_TKIP_EK 16
+#define LEN_TKIP_RXMICK 8
+#define LEN_TKIP_TXMICK 8
+#define LEN_AES_EK 16
+#define LEN_AES_KEY LEN_AES_EK
+#define LEN_TKIP_KEY ((LEN_TKIP_EK)+(LEN_TKIP_RXMICK)+(LEN_TKIP_TXMICK))
+#define TKIP_AP_TXMICK_OFFSET ((LEN_EAP_KEY)+(LEN_TKIP_EK))
+#define TKIP_AP_RXMICK_OFFSET (TKIP_AP_TXMICK_OFFSET+LEN_TKIP_TXMICK)
+#define TKIP_GTK_LENGTH ((LEN_TKIP_EK)+(LEN_TKIP_RXMICK)+(LEN_TKIP_TXMICK))
+#define LEN_PTK ((LEN_EAP_KEY)+(LEN_TKIP_KEY))
+#define MIN_LEN_OF_GTK 5
+
+// RSN IE Length definition
+#define MAX_LEN_OF_RSNIE 90
+#define MIN_LEN_OF_RSNIE 8
+
+//EAP Packet Type
+#define EAPPacket 0
+#define EAPOLStart 1
+#define EAPOLLogoff 2
+#define EAPOLKey 3
+#define EAPOLASFAlert 4
+#define EAPTtypeMax 5
+
+#define EAPOL_MSG_INVALID 0
+#define EAPOL_PAIR_MSG_1 1
+#define EAPOL_PAIR_MSG_2 2
+#define EAPOL_PAIR_MSG_3 3
+#define EAPOL_PAIR_MSG_4 4
+#define EAPOL_GROUP_MSG_1 5
+#define EAPOL_GROUP_MSG_2 6
+
+#define PAIRWISEKEY 1
+#define GROUPKEY 0
+
+// Retry timer counter initial value
+#define PEER_MSG1_RETRY_TIMER_CTR 0
+#define PEER_MSG3_RETRY_TIMER_CTR 10
+#define GROUP_MSG1_RETRY_TIMER_CTR 20
+
+
+#define EAPOL_START_DISABLE 0
+#define EAPOL_START_PSK 1
+#define EAPOL_START_1X 2
+
+#define MIX_CIPHER_WPA_TKIP_ON(x) (((x) & 0x08) != 0)
+#define MIX_CIPHER_WPA_AES_ON(x) (((x) & 0x04) != 0)
+#define MIX_CIPHER_WPA2_TKIP_ON(x) (((x) & 0x02) != 0)
+#define MIX_CIPHER_WPA2_AES_ON(x) (((x) & 0x01) != 0)
+
+#define ROUND_UP(__x, __y) \
+ (((ULONG)((__x)+((__y)-1))) & ((ULONG)~((__y)-1)))
+
+#define ADD_ONE_To_64BIT_VAR(_V) \
+{ \
+ UCHAR cnt = LEN_KEY_DESC_REPLAY; \
+ do \
+ { \
+ cnt--; \
+ _V[cnt]++; \
+ if (cnt == 0) \
+ break; \
+ }while (_V[cnt] == 0); \
+}
+
+#define IS_WPA_CAPABILITY(a) (((a) >= Ndis802_11AuthModeWPA) && ((a) <= Ndis802_11AuthModeWPA1PSKWPA2PSK))
+
+// EAPOL Key Information definition within Key descriptor format
+typedef struct PACKED _KEY_INFO
+{
+#ifdef RT_BIG_ENDIAN
+ UCHAR KeyAck:1;
+ UCHAR Install:1;
+ UCHAR KeyIndex:2;
+ UCHAR KeyType:1;
+ UCHAR KeyDescVer:3;
+ UCHAR Rsvd:3;
+ UCHAR EKD_DL:1; // EKD for AP; DL for STA
+ UCHAR Request:1;
+ UCHAR Error:1;
+ UCHAR Secure:1;
+ UCHAR KeyMic:1;
+#else
+ UCHAR KeyMic:1;
+ UCHAR Secure:1;
+ UCHAR Error:1;
+ UCHAR Request:1;
+ UCHAR EKD_DL:1; // EKD for AP; DL for STA
+ UCHAR Rsvd:3;
+ UCHAR KeyDescVer:3;
+ UCHAR KeyType:1;
+ UCHAR KeyIndex:2;
+ UCHAR Install:1;
+ UCHAR KeyAck:1;
+#endif
+} KEY_INFO, *PKEY_INFO;
+
+// EAPOL Key descriptor format
+typedef struct PACKED _KEY_DESCRIPTER
+{
+ UCHAR Type;
+ KEY_INFO KeyInfo;
+ UCHAR KeyLength[2];
+ UCHAR ReplayCounter[LEN_KEY_DESC_REPLAY];
+ UCHAR KeyNonce[LEN_KEY_DESC_NONCE];
+ UCHAR KeyIv[LEN_KEY_DESC_IV];
+ UCHAR KeyRsc[LEN_KEY_DESC_RSC];
+ UCHAR KeyId[LEN_KEY_DESC_ID];
+ UCHAR KeyMic[LEN_KEY_DESC_MIC];
+ UCHAR KeyDataLen[2];
+ UCHAR KeyData[MAX_LEN_OF_RSNIE];
+} KEY_DESCRIPTER, *PKEY_DESCRIPTER;
+
+typedef struct PACKED _EAPOL_PACKET
+{
+ UCHAR ProVer;
+ UCHAR ProType;
+ UCHAR Body_Len[2];
+ KEY_DESCRIPTER KeyDesc;
+} EAPOL_PACKET, *PEAPOL_PACKET;
+
+//802.11i D10 page 83
+typedef struct PACKED _GTK_ENCAP
+{
+#ifndef RT_BIG_ENDIAN
+ UCHAR Kid:2;
+ UCHAR tx:1;
+ UCHAR rsv:5;
+ UCHAR rsv1;
+#else
+ UCHAR rsv:5;
+ UCHAR tx:1;
+ UCHAR Kid:2;
+ UCHAR rsv1;
+#endif
+ UCHAR GTK[TKIP_GTK_LENGTH];
+} GTK_ENCAP, *PGTK_ENCAP;
+
+typedef struct PACKED _KDE_ENCAP
+{
+ UCHAR Type;
+ UCHAR Len;
+ UCHAR OUI[3];
+ UCHAR DataType;
+ GTK_ENCAP GTKEncap;
+} KDE_ENCAP, *PKDE_ENCAP;
+
+// For WPA1
+typedef struct PACKED _RSNIE {
+ UCHAR oui[4];
+ USHORT version;
+ UCHAR mcast[4];
+ USHORT ucount;
+ struct PACKED {
+ UCHAR oui[4];
+ }ucast[1];
+} RSNIE, *PRSNIE;
+
+// For WPA2
+typedef struct PACKED _RSNIE2 {
+ USHORT version;
+ UCHAR mcast[4];
+ USHORT ucount;
+ struct PACKED {
+ UCHAR oui[4];
+ }ucast[1];
+} RSNIE2, *PRSNIE2;
+
+// AKM Suite
+typedef struct PACKED _RSNIE_AUTH {
+ USHORT acount;
+ struct PACKED {
+ UCHAR oui[4];
+ }auth[1];
+} RSNIE_AUTH,*PRSNIE_AUTH;
+
+typedef union PACKED _RSN_CAPABILITIES {
+ struct PACKED {
+#ifdef RT_BIG_ENDIAN
+ USHORT Rsvd:10;
+ USHORT GTKSA_R_Counter:2;
+ USHORT PTKSA_R_Counter:2;
+ USHORT No_Pairwise:1;
+ USHORT PreAuth:1;
+#else
+ USHORT PreAuth:1;
+ USHORT No_Pairwise:1;
+ USHORT PTKSA_R_Counter:2;
+ USHORT GTKSA_R_Counter:2;
+ USHORT Rsvd:10;
+#endif
+ } field;
+ USHORT word;
+} RSN_CAPABILITIES, *PRSN_CAPABILITIES;
+
+typedef struct PACKED _EAP_HDR {
+ UCHAR ProVer;
+ UCHAR ProType;
+ UCHAR Body_Len[2];
+ UCHAR code;
+ UCHAR identifier;
+ UCHAR length[2]; // including code and identifier, followed by length-2 octets of data
+} EAP_HDR, *PEAP_HDR;
+
+// For supplicant state machine states. 802.11i Draft 4.1, p. 97
+// We simplified it
+typedef enum _WpaState
+{
+ SS_NOTUSE, // 0
+ SS_START, // 1
+ SS_WAIT_MSG_3, // 2
+ SS_WAIT_GROUP, // 3
+ SS_FINISH, // 4
+ SS_KEYUPDATE, // 5
+} WPA_STATE;
+
+//
+// The definition of the cipher combination
+//
+// bit3 bit2 bit1 bit0
+// +------------+------------+
+// | WPA | WPA2 |
+// +------+-----+------+-----+
+// | TKIP | AES | TKIP | AES |
+// | 0 | 1 | 1 | 0 | -> 0x06
+// | 0 | 1 | 1 | 1 | -> 0x07
+// | 1 | 0 | 0 | 1 | -> 0x09
+// | 1 | 0 | 1 | 1 | -> 0x0B
+// | 1 | 1 | 0 | 1 | -> 0x0D
+// | 1 | 1 | 1 | 0 | -> 0x0E
+// | 1 | 1 | 1 | 1 | -> 0x0F
+// +------+-----+------+-----+
+//
+typedef enum _WpaMixPairCipher
+{
+ MIX_CIPHER_NOTUSE = 0x00,
+ WPA_NONE_WPA2_TKIPAES = 0x03, // WPA2-TKIPAES
+ WPA_AES_WPA2_TKIP = 0x06,
+ WPA_AES_WPA2_TKIPAES = 0x07,
+ WPA_TKIP_WPA2_AES = 0x09,
+ WPA_TKIP_WPA2_TKIPAES = 0x0B,
+ WPA_TKIPAES_WPA2_NONE = 0x0C, // WPA-TKIPAES
+ WPA_TKIPAES_WPA2_AES = 0x0D,
+ WPA_TKIPAES_WPA2_TKIP = 0x0E,
+ WPA_TKIPAES_WPA2_TKIPAES = 0x0F,
+} WPA_MIX_PAIR_CIPHER;
+
+typedef struct PACKED _RSN_IE_HEADER_STRUCT {
+ UCHAR Eid;
+ UCHAR Length;
+ USHORT Version; // Little endian format
+} RSN_IE_HEADER_STRUCT, *PRSN_IE_HEADER_STRUCT;
+
+// Cipher suite selector types
+typedef struct PACKED _CIPHER_SUITE_STRUCT {
+ UCHAR Oui[3];
+ UCHAR Type;
+} CIPHER_SUITE_STRUCT, *PCIPHER_SUITE_STRUCT;
+
+// Authentication and Key Management suite selector
+typedef struct PACKED _AKM_SUITE_STRUCT {
+ UCHAR Oui[3];
+ UCHAR Type;
+} AKM_SUITE_STRUCT, *PAKM_SUITE_STRUCT;
+
+// RSN capability
+typedef struct PACKED _RSN_CAPABILITY {
+ USHORT Rsv:10;
+ USHORT GTKSAReplayCnt:2;
+ USHORT PTKSAReplayCnt:2;
+ USHORT NoPairwise:1;
+ USHORT PreAuth:1;
+} RSN_CAPABILITY, *PRSN_CAPABILITY;
+
+#endif
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