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/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// MAC_Structures.h
//
// This file contains the definitions and data structures used by SW-MAC.
//
// Revision Histoy
//=================
// 0.1 2002 UN00
// 0.2 20021004 PD43 CCLiu6
// 20021018 PD43 CCLiu6
// Add enum_TxRate type
// Modify enum_STAState type
// 0.3 20021023 PE23 CYLiu update MAC session struct
// 20021108
// 20021122 PD43 Austin
// Deleted some unused.
// 20021129 PD43 Austin
// 20030617 increase the 802.11g definition
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
#ifndef _MAC_Structures_H_
#define _MAC_Structures_H_
#include <linux/skbuff.h>
/*=========================================================
// Some miscellaneous definitions
//-----*/
#define MAX_CHANNELS 30
#define MAC_ADDR_LENGTH 6
#define MAX_WEP_KEY_SIZE 16 /* 128 bits */
#define MAX_802_11_FRAGMENT_NUMBER 10 /* By spec */
/* ========================================================
// 802.11 Frame define
//----- */
#define MASK_PROTOCOL_VERSION_TYPE 0x0F
#define MASK_FRAGMENT_NUMBER 0x000F
#define SEQUENCE_NUMBER_SHIFT 4
#define DIFFER_11_TO_3 18
#define DOT_11_MAC_HEADER_SIZE 24
#define DOT_11_SNAP_SIZE 6
#define DOT_11_DURATION_OFFSET 2
/* Sequence control offset */
#define DOT_11_SEQUENCE_OFFSET 22
/* The start offset of 802.11 Frame// */
#define DOT_11_TYPE_OFFSET 30
#define DOT_11_DATA_OFFSET 24
#define DOT_11_DA_OFFSET 4
#define DOT_3_TYPE_ARP 0x80F3
#define DOT_3_TYPE_IPX 0x8137
#define DOT_3_TYPE_OFFSET 12
#define ETHERNET_HEADER_SIZE 14
#define MAX_ETHERNET_PACKET_SIZE 1514
/* ----- management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) */
#define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST 0x00
#define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE 0x10
#define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST 0x20
#define MAC_SUBTYPE_MNGMNT_REASSOC_RESPONSE 0x30
#define MAC_SUBTYPE_MNGMNT_PROBE_REQUEST 0x40
#define MAC_SUBTYPE_MNGMNT_PROBE_RESPONSE 0x50
#define MAC_SUBTYPE_MNGMNT_BEACON 0x80
#define MAC_SUBTYPE_MNGMNT_ATIM 0x90
#define MAC_SUBTYPE_MNGMNT_DISASSOCIATION 0xA0
#define MAC_SUBTYPE_MNGMNT_AUTHENTICATION 0xB0
#define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0
/* ----- control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) */
#define MAC_SUBTYPE_CONTROL_PSPOLL 0xA4
#define MAC_SUBTYPE_CONTROL_RTS 0xB4
#define MAC_SUBTYPE_CONTROL_CTS 0xC4
#define MAC_SUBTYPE_CONTROL_ACK 0xD4
#define MAC_SUBTYPE_CONTROL_CFEND 0xE4
#define MAC_SUBTYPE_CONTROL_CFEND_CFACK 0xF4
/* ----- data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) */
#define MAC_SUBTYPE_DATA 0x08
#define MAC_SUBTYPE_DATA_CFACK 0x18
#define MAC_SUBTYPE_DATA_CFPOLL 0x28
#define MAC_SUBTYPE_DATA_CFACK_CFPOLL 0x38
#define MAC_SUBTYPE_DATA_NULL 0x48
#define MAC_SUBTYPE_DATA_CFACK_NULL 0x58
#define MAC_SUBTYPE_DATA_CFPOLL_NULL 0x68
#define MAC_SUBTYPE_DATA_CFACK_CFPOLL_NULL 0x78
/* ----- Frame Type of Bits (2, 3) */
#define MAC_TYPE_MANAGEMENT 0x00
#define MAC_TYPE_CONTROL 0x04
#define MAC_TYPE_DATA 0x08
/* ----- definitions for Management Frame Element ID (1 BYTE) */
#define ELEMENT_ID_SSID 0
#define ELEMENT_ID_SUPPORTED_RATES 1
#define ELEMENT_ID_FH_PARAMETER_SET 2
#define ELEMENT_ID_DS_PARAMETER_SET 3
#define ELEMENT_ID_CF_PARAMETER_SET 4
#define ELEMENT_ID_TIM 5
#define ELEMENT_ID_IBSS_PARAMETER_SET 6
/* 7~15 reserverd */
#define ELEMENT_ID_CHALLENGE_TEXT 16
/* 17~31 reserved for challenge text extension */
/* 32~255 reserved */
/*-- 11G -- */
#define ELEMENT_ID_ERP_INFORMATION 42
#define ELEMENT_ID_EXTENDED_SUPPORTED_RATES 50
/* -- WPA -- */
#define ELEMENT_ID_RSN_WPA 221
#define WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT ((u16) 6)
#define WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT ((u16) 2)
/* ===================================================================
* Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen
* length of ReasonCode is 2 Octs.
* =================================================================== */
#define REASON_REASERED 0
#define REASON_UNSPECIDIED 1
#define REASON_PREAUTH_INVALID 2
#define DEAUTH_REASON_LEFT_BSS 3
#define DISASS_REASON_AP_INACTIVE 4
#define DISASS_REASON_AP_BUSY 5
#define REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
#define REASON_CLASS3_FRAME_FROM_NONASSO_STA 7
#define DISASS_REASON_LEFT_BSS 8
#define REASON_NOT_AUTH_YET 9
/* 802.11i define */
#define REASON_INVALID_IE 13
#define REASON_MIC_ERROR 14
#define REASON_4WAY_HANDSHAKE_TIMEOUT 15
#define REASON_GROUPKEY_UPDATE_TIMEOUT 16
#define REASON_IE_DIFF_4WAY_ASSOC 17
#define REASON_INVALID_MULTICAST_CIPHER 18
#define REASON_INVALID_UNICAST_CIPHER 19
#define REASON_INVALID_AKMP 20
#define REASON_UNSUPPORTED_RSNIE_VERSION 21
#define REASON_INVALID_RSNIE_CAPABILITY 22
#define REASON_802_1X_AUTH_FAIL 23
#define REASON_CIPHER_REJECT_PER_SEC_POLICY 14
/*
//===========================================================
// enum_MMPDUResultCode --
// Status code (2 Octs) in the MMPDU's frame body. Table.19
//
//===========================================================
enum enum_MMPDUResultCode
{
// SUCCESS = 0, // Redefined
UNSPECIFIED_FAILURE = 1,
// 2 - 9 Reserved
NOT_SUPPROT_CAPABILITIES = 10,
//REASSOCIATION_DENIED
//
REASSOC_DENIED_UNABLE_CFM_ASSOC_EXIST = 11,
//ASSOCIATION_DENIED_NOT_IN_STANDARD
//
ASSOC_DENIED_REASON_NOT_IN_STANDARD = 12,
PEER_NOT_SUPPORT_AUTH_ALGORITHM = 13,
AUTH_SEQNUM_OUT_OF_EXPECT = 14,
AUTH_REJECT_REASON_CHALLENGE_FAIL = 15,
AUTH_REJECT_REASON_WAIT_TIMEOUT = 16,
ASSOC_DENIED_REASON_AP_BUSY = 17,
ASSOC_DENIED_REASON_NOT_SUPPORT_BASIC_RATE = 18
} WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE;
*/
#define RATE_BITMAP_1M 1
#define RATE_BITMAP_2M 2
#define RATE_BITMAP_5dot5M 5
#define RATE_BITMAP_6M 6
#define RATE_BITMAP_9M 9
#define RATE_BITMAP_11M 11
#define RATE_BITMAP_12M 12
#define RATE_BITMAP_18M 18
#define RATE_BITMAP_22M 22
#define RATE_BITMAP_24M 24
#define RATE_BITMAP_33M 17
#define RATE_BITMAP_36M 19
#define RATE_BITMAP_48M 25
#define RATE_BITMAP_54M 28
#define RATE_AUTO 0
#define RATE_1M 2
#define RATE_2M 4
#define RATE_5dot5M 11
#define RATE_6M 12
#define RATE_9M 18
#define RATE_11M 22
#define RATE_12M 24
#define RATE_18M 36
#define RATE_22M 44
#define RATE_24M 48
#define RATE_33M 66
#define RATE_36M 72
#define RATE_48M 96
#define RATE_54M 108
#define RATE_MAX 255
/* CAPABILITY */
#define CAPABILITY_ESS_BIT 0x0001
#define CAPABILITY_IBSS_BIT 0x0002
#define CAPABILITY_CF_POLL_BIT 0x0004
#define CAPABILITY_CF_POLL_REQ_BIT 0x0008
#define CAPABILITY_PRIVACY_BIT 0x0010
#define CAPABILITY_SHORT_PREAMBLE_BIT 0x0020
#define CAPABILITY_PBCC_BIT 0x0040
#define CAPABILITY_CHAN_AGILITY_BIT 0x0080
#define CAPABILITY_SHORT_SLOT_TIME_BIT 0x0400
#define CAPABILITY_DSSS_OFDM_BIT 0x2000
struct Capability_Information_Element {
union {
u16 __attribute__ ((packed)) wValue;
#ifdef _BIG_ENDIAN_ /* 20060926 add by anson's endian */
struct _Capability {
/* -- 11G -- */
u8 Reserved3:2;
u8 DSSS_OFDM:1;
u8 Reserved2:2;
u8 Short_Slot_Time:1;
u8 Reserved1:2;
u8 Channel_Agility:1;
u8 PBCC:1;
u8 ShortPreamble:1;
u8 CF_Privacy:1;
u8 CF_Poll_Request:1;
u8 CF_Pollable:1;
u8 IBSS:1;
u8 ESS:1;
} __attribute__ ((packed)) Capability;
#else
struct _Capability {
u8 ESS:1;
u8 IBSS:1;
u8 CF_Pollable:1;
u8 CF_Poll_Request:1;
u8 CF_Privacy:1;
u8 ShortPreamble:1;
u8 PBCC:1;
u8 Channel_Agility:1;
u8 Reserved1:2;
/* -- 11G -- */
u8 Short_Slot_Time:1;
u8 Reserved2:2;
u8 DSSS_OFDM:1;
u8 Reserved3:2;
} __attribute__ ((packed)) Capability;
#endif
} __attribute__ ((packed)) ;
} __attribute__ ((packed));
struct FH_Parameter_Set_Element {
u8 Element_ID;
u8 Length;
u8 Dwell_Time[2];
u8 Hop_Set;
u8 Hop_Pattern;
u8 Hop_Index;
};
struct DS_Parameter_Set_Element {
u8 Element_ID;
u8 Length;
u8 Current_Channel;
};
struct Supported_Rates_Element {
u8 Element_ID;
u8 Length;
u8 SupportedRates[8];
} __attribute__ ((packed));
struct SSID_Element {
u8 Element_ID;
u8 Length;
u8 SSID[32];
} __attribute__ ((packed)) ;
struct CF_Parameter_Set_Element {
u8 Element_ID;
u8 Length;
u8 CFP_Count;
u8 CFP_Period;
u8 CFP_MaxDuration[2]; /* in Time Units */
u8 CFP_DurRemaining[2]; /* in time units */
};
struct TIM_Element {
u8 Element_ID;
u8 Length;
u8 DTIM_Count;
u8 DTIM_Period;
u8 Bitmap_Control;
u8 Partial_Virtual_Bitmap[251];
};
struct IBSS_Parameter_Set_Element {
u8 Element_ID;
u8 Length;
u8 ATIM_Window[2];
};
struct Challenge_Text_Element {
u8 Element_ID;
u8 Length;
u8 Challenge_Text[253];
};
struct PHY_Parameter_Set_Element {
/* int aSlotTime; */
/* int aSifsTime; */
s32 aCCATime;
s32 aRxTxTurnaroundTime;
s32 aTxPLCPDelay;
s32 RxPLCPDelay;
s32 aRxTxSwitchTime;
s32 aTxRampOntime;
s32 aTxRampOffTime;
s32 aTxRFDelay;
s32 aRxRFDelay;
s32 aAirPropagationTime;
s32 aMACProcessingDelay;
s32 aPreambleLength;
s32 aPLCPHeaderLength;
s32 aMPDUDurationFactor;
s32 aMPDUMaxLength;
/* int aCWmin; */
/* int aCWmax; */
};
/* -- 11G -- */
struct ERP_Information_Element {
u8 Element_ID;
u8 Length;
#ifdef _BIG_ENDIAN_ /* 20060926 add by anson's endian */
u8 Reserved:5; /* 20060926 add by anson */
u8 Barker_Preamble_Mode:1;
u8 Use_Protection:1;
u8 NonERP_Present:1;
#else
u8 NonERP_Present:1;
u8 Use_Protection:1;
u8 Barker_Preamble_Mode:1;
u8 Reserved:5;
#endif
};
struct Extended_Supported_Rates_Element {
u8 Element_ID;
u8 Length;
u8 ExtendedSupportedRates[255];
} __attribute__ ((packed));
/* WPA(802.11i draft 3.0) */
#define VERSION_WPA 1
/* WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type */
#define OUI_WPA 0x00F25000
#define OUI_WPA_ADDITIONAL 0x01
#define WLAN_MIN_RSN_WPA_LENGTH 6 /* added by ws 09/10/04 */
#define oui_wpa (u32)(OUI_WPA|OUI_WPA_ADDITIONAL)
#define WPA_OUI_BIG ((u32) 0x01F25000)/* added by ws 09/23/04 */
#define WPA_OUI_LITTLE ((u32) 0x01F25001)/* added by ws 09/23/04 */
/* 20061108 For WPS. It's little endian. Big endian is 0x0050F204 */
#define WPA_WPS_OUI cpu_to_le32(0x04F25000)
/* Authentication suite */
#define OUI_AUTH_WPA_NONE 0x00 /* for WPA_NONE */
#define OUI_AUTH_8021X 0x01
#define OUI_AUTH_PSK 0x02
/* Cipher suite */
#define OUI_CIPHER_GROUP_KEY 0x00 /* added by ws 05/21/04 */
#define OUI_CIPHER_WEP_40 0x01
#define OUI_CIPHER_TKIP 0x02
#define OUI_CIPHER_CCMP 0x04
#define OUI_CIPHER_WEP_104 0x05
struct suite_selector{
union{
u8 Value[4];
struct _SUIT_ {
u8 OUI[3];
u8 Type;
} SuitSelector;
};
};
/* -- WPA -- */
struct RSN_Information_Element{
u8 Element_ID;
u8 Length;
/* WPA version 2.0 additional field, and should be 00:50:F2:01 */
struct suite_selector OuiWPAAdditional;
u16 Version;
struct suite_selector GroupKeySuite;
u16 PairwiseKeySuiteCount;
struct suite_selector PairwiseKeySuite[1];
} __attribute__ ((packed));
struct RSN_Auth_Sub_Information_Element {
u16 AuthKeyMngtSuiteCount;
struct suite_selector AuthKeyMngtSuite[1];
} __attribute__ ((packed));
/* -- WPA2 -- */
struct RSN_Capability_Element {
union {
u16 __attribute__ ((packed)) wValue;
#ifdef _BIG_ENDIAN_ /* 20060927 add by anson's endian */
struct _RSN_Capability {
u16 __attribute__ ((packed)) Reserved2:8; /* 20051201 */
u16 __attribute__ ((packed)) Reserved1:2;
u16 __attribute__ ((packed)) GTK_Replay_Counter:2;
u16 __attribute__ ((packed)) PTK_Replay_Counter:2;
u16 __attribute__ ((packed)) No_Pairwise:1;
u16 __attribute__ ((packed)) Pre_Auth:1;
} __attribute__ ((packed)) RSN_Capability;
#else
struct _RSN_Capability {
u16 __attribute__ ((packed)) Pre_Auth:1;
u16 __attribute__ ((packed)) No_Pairwise:1;
u16 __attribute__ ((packed)) PTK_Replay_Counter:2;
u16 __attribute__ ((packed)) GTK_Replay_Counter:2;
u16 __attribute__ ((packed)) Reserved1:2;
u16 __attribute__ ((packed)) Reserved2:8; /* 20051201 */
} __attribute__ ((packed)) RSN_Capability;
#endif
} __attribute__ ((packed)) ;
} __attribute__ ((packed)) ;
/*============================================================
// MAC Frame structure (different type) and subfield structure
//============================================================*/
struct MAC_frame_control {
/* a combination of the [Protocol Version, Control Type, Control Subtype]*/
u8 mac_frame_info;
/* 20060927 add by anson's endian */
#ifdef _BIG_ENDIAN_
u8 order:1;
u8 WEP:1;
u8 more_data:1;
u8 pwr_mgt:1;
u8 retry:1;
u8 more_frag:1;
u8 from_ds:1;
u8 to_ds:1;
#else
u8 to_ds:1;
u8 from_ds:1;
u8 more_frag:1;
u8 retry:1;
u8 pwr_mgt:1;
u8 more_data:1;
u8 WEP:1;
u8 order:1;
#endif
} __attribute__ ((packed));
struct Management_Frame {
/* 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0 */
struct MAC_frame_control frame_control;
u16 duration;
u8 DA[MAC_ADDR_LENGTH]; /* Addr1 */
u8 SA[MAC_ADDR_LENGTH]; /* Addr2 */
u8 BSSID[MAC_ADDR_LENGTH]; /* Addr3 */
u16 Sequence_Control;
/* Management Frame Body <= 325 bytes */
/* FCS 4 bytes */
} __attribute__ ((packed));
/* SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it. */
struct Control_Frame {
/* ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0 */
struct MAC_frame_control frame_control;
u16 duration;
u8 RA[MAC_ADDR_LENGTH];
u8 TA[MAC_ADDR_LENGTH];
u16 FCS;
} __attribute__ ((packed));
struct Data_Frame {
struct MAC_frame_control frame_control;
u16 duration;
u8 Addr1[MAC_ADDR_LENGTH];
u8 Addr2[MAC_ADDR_LENGTH];
u8 Addr3[MAC_ADDR_LENGTH];
u16 Sequence_Control;
u8 Addr4[MAC_ADDR_LENGTH]; /* only exist when ToDS=FromDS=1 */
/* Data Frame Body <= 2312 */
/* FCS */
} __attribute__ ((packed));
struct Disassociation_Frame_Body {
u16 reasonCode;
} __attribute__ ((packed));
struct Association_Request_Frame_Body {
u16 capability_information;
u16 listenInterval;
u8 Current_AP_Address[MAC_ADDR_LENGTH];/* for reassociation only */
/* SSID (2+32 bytes) */
/* Supported_Rates (2+8 bytes) */
} __attribute__ ((packed));
struct Association_Response_Frame_Body {
u16 capability_information;
u16 statusCode;
u16 Association_ID;
struct Supported_Rates_Element supportedRates;
} __attribute__ ((packed));
/*struct Reassociation_Request_Frame_Body
{
u16 capability_information;
u16 listenInterval;
u8 Current_AP_Address[MAC_ADDR_LENGTH];
// SSID (2+32 bytes)
// Supported_Rates (2+8 bytes)
};*/
/* eliminated by WS 07/22/04 comboined with associateion request frame. */
struct Reassociation_Response_Frame_Body {
u16 capability_information;
u16 statusCode;
u16 Association_ID;
struct Supported_Rates_Element supportedRates;
} __attribute__ ((packed));
struct Deauthentication_Frame_Body {
u16 reasonCode;
} __attribute__ ((packed));
struct Probe_Response_Frame_Body {
u16 Timestamp;
u16 Beacon_Interval;
u16 Capability_Information;
/* SSID
// Supported_Rates
// PHY parameter Set (DS Parameters)
// CF parameter Set
// IBSS parameter Set */
} __attribute__ ((packed));
struct Authentication_Frame_Body {
u16 algorithmNumber;
u16 sequenceNumber;
u16 statusCode;
/* NB: don't include ChallengeText in this structure
// struct Challenge_Text_Element sChallengeTextElement;
// wkchen added */
} __attribute__ ((packed));
#endif /* _MAC_Structure_H_ */
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