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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
dldef.h
Abstract:
This module defines all internal constants in data link driver.
Author:
Antti Saarenheimo (o-anttis) 25-MAY-1991
Revision History:
--*/
#define DEBUG_VERSION 1
//
// Marks for FSM compiler
//
#define FSM_DATA
#define FSM_PREDICATE_CASES
#define FSM_ACTION_CASES
#define FSM_CONST
#define INITIAL_LLC_PACKETS 5
#define MAX_LLC_HEADER_INFO 11
#define MAX_NDIS_PACKETS 5 // 5 for XID/TEST and 5 for others
#define LLC_OPEN_TIMEOUT 150 // 15 seconds
// 1st source routing control bit
#define SRC_ROUTING_LENGTH_MASK 0x1f
//#define SRC_ROUTING_BROADCAST_MASK 0xe0
//#define SRC_ROUTING_NON_BROADCAST 0x00
//#define AROUTEB_SEND_SROUTEB_RETURN 0x80
//#define SROUTEB_SEND_AROUTEB_RETURN 0xc0
//#define SROUTEB_SEND_NONB_RETURN 0xe0
#define DEFAULT_TR_ACCESS 0x50
#define NON_MAC_FRAME 0x40
// 2nd source routing control bit
#define SRC_ROUTING_LF_MASK 0x70
//#define ROUTING_INFO_INDICATOR 0x80
#define SRC_ROUTING_DIRECTION_BIT 0x80
#define MAX_TR_LAN_HEADER_SIZE 32
#define LLC_MAX_LAN_HEADER 32
#define MAX_TR_SRC_ROUTING_INFO 18
// the next status values are used internally by DLCAPI driver:
#define CONFIRM_CONNECT 0x0008
#define CONFIRM_DISCONNECT 0x0004
#define CONFIRM_CONNECT_FAILED 0x0002
#define BROADCAST_ADDRESS_FLAG 0x8000
//
// The following structures define I-frame, U-frame, and S-frame DLC headers.
//
#define LLC_SSAP_RESPONSE 0x0001 // if (ssap & LLC_SSAP_RESP),it's a response.
#define LLC_DSAP_GROUP 0x0001 // Dsap lowest bit set when group sap
#define LLC_SSAP_GLOBAL 0x00ff // the global SAP.
#define LLC_SSAP_NULL 0x0000 // the null SAP.
#define LLC_SSAP_MASK 0x00fe // mask to wipe out the response bit.
#define LLC_DSAP_MASK 0x00fe // mask to wipe out the group SAP bit.
#define LLC_RR 0x01 // command code for RR.
#define LLC_RNR 0x05 // command code for RNR.
#define LLC_REJ 0x09 // command code for REJ.
#define LLC_SABME 0x6f // command code for SABME.
#define LLC_DISC 0x43 // command code for DISC.
#define LLC_UA 0x63 // command code for UA.
#define LLC_DM 0x0f // command code for DM.
#define LLC_FRMR 0x87 // command code for FRMR.
#define LLC_UI 0x03 // command code for UI.
#define LLC_XID 0xaf // command code for XID.
#define LLC_TEST 0xe3 // command code for TEST.
#define IEEE_802_XID_ID 0x81 // IEEE 802.2 XID identifier
#define LLC_CLASS_II 3 // we support LLC Class II
#define LLC_S_U_TYPE_MASK 3
#define LLC_U_TYPE 3
#define LLC_U_TYPE_BIT 2
#define LLC_S_TYPE 1
#define LLC_NOT_I_FRAME 0x01
#define LLC_U_INDICATOR 0x03 // (cmd & LLC_U_IND) == LLC_U_IND --> U-frame.
#define LLC_U_POLL_FINAL 0x10 // (cmd & LLC_U_PF) -> poll/final set.
#define LLC_I_INDICATOR 1 // !(sndseq & LLC_I_INDICATOR) indicates I-frame.
#define LLC_I_S_POLL_FINAL 1
/*
#define LLC_I_PF 0x01 // (rcvseq & LLC_I_PF) means poll/final set.#define LLC_S_PF 0x01 // (rcvseq & LLC_S_PF) means poll/final set.
#define LLC_I_FRAME 0 //
*/
//
// The send state can be changed only if all queues are locked
//
typedef enum _SEND_ENGINE_STATES {
SEND_ACTIVE = 0, // send engine active
ACK_WINDOW_FULL = 1, // we are waiting for the ack
SEND_DISABLED = 2 // sending not allowed in the current SM state
} SEND_ENGINE_STATES;
//
// Test file for FSM compiler!!!!
//
#ifdef FSM_CONST
enum eLanLlcInput {
DISC0 = 0,
DISC1 = 1,
DM0 = 2,
DM1 = 3,
FRMR0 = 4,
FRMR1 = 5,
SABME0 = 6,
SABME1 = 7,
UA0 = 8,
UA1 = 9,
IS_I_r0 = 10,
IS_I_r1 = 11,
IS_I_c0 = 12,
IS_I_c1 = 13,
OS_I_r0 = 14,
OS_I_r1 = 15,
OS_I_c0 = 16,
OS_I_c1 = 17,
REJ_r0 = 18,
REJ_r1 = 19,
REJ_c0 = 20,
REJ_c1 = 21,
RNR_r0 = 22,
RNR_r1 = 23,
RNR_c0 = 24,
RNR_c1 = 25,
RR_r0 = 26,
RR_r1 = 27,
RR_c0 = 28,
RR_c1 = 29,
LPDU_INVALID_r0 = 30,
LPDU_INVALID_r1 = 31,
LPDU_INVALID_c0 = 32,
LPDU_INVALID_c1 = 33,
ACTIVATE_LS = 34,
DEACTIVATE_LS = 35,
ENTER_LCL_Busy = 36,
EXIT_LCL_Busy = 37,
SEND_BTU = 38,
SEND_I_POLL = 39,
SET_ABME = 40,
SET_ADM = 41,
Ti_Expired = 42,
T1_Expired = 43,
T2_Expired = 44
};
enum eLanLlcState {
LINK_CLOSED = 0,
DISCONNECTED = 1,
LINK_OPENING = 2,
DISCONNECTING = 3,
FRMR_SENT = 4,
LINK_OPENED = 5,
LOCAL_BUSY = 6,
REJECTION = 7,
CHECKPOINTING = 8,
CHKP_LOCAL_BUSY = 9,
CHKP_REJECT = 10,
RESETTING = 11,
REMOTE_BUSY = 12,
LOCAL_REMOTE_BUSY = 13,
REJECT_LOCAL_BUSY = 14,
REJECT_REMOTE_BUSY = 15,
CHKP_REJECT_LOCAL_BUSY = 16,
CHKP_CLEARING = 17,
CHKP_REJECT_CLEARING = 18,
REJECT_LOCAL_REMOTE_BUSY = 19,
FRMR_RECEIVED = 20
};
#endif
#define MAX_LLC_LINK_STATE 21 // KEEP THIS IN SYNC WITH PREV ENUM!!!!
#define DLC_DSAP_OFFESET 0
#define DLC_SSAP_OFFESET 1
#define DLC_COMMAND_OFFESET 2
#define DLC_XID_INFO_ID 3
#define DLC_XID_INFO_TYPE 4
#define DLC_XID_INFO_WIN_SIZE 5
#define MAX_XID_TEST_RESPONSES 20
enum _LLC_FRAME_XLATE_MODES {
LLC_SEND_802_3_TO_802_5,
LLC_SEND_802_5_TO_802_5,
LLC_SEND_802_3_TO_802_3,
LLC_SEND_802_5_TO_802_3,
LLC_SEND_802_3_TO_DIX,
LLC_SEND_802_5_TO_DIX,
LLC_SEND_UNMODIFIED
};
#define DLC_TOKEN_RESPONSE 0
#define DLC_TOKEN_COMMAND 2
//*********************************************************************
// **** Objects in _DLC_CMD_TOKENs enumeration and in auchLlcCommands
// **** table bust MUST ABSOLUTELY BE IN THE SAME ORDER, !!!!!!!!
// **** THEY ARE USED TO COMPRESS ********
// **** THE SEND INITIALIZATION ********
//
enum _DLC_CMD_TOKENS {
DLC_REJ_TOKEN = 0,
DLC_RNR_TOKEN = 4,
DLC_RR_TOKEN = 8,
DLC_DISC_TOKEN = 12 + 2,
DLC_DM_TOKEN = 16,
DLC_FRMR_TOKEN = 20,
DLC_SABME_TOKEN = 24 + 2,
DLC_UA_TOKEN = 28
};
#define ACQUIRE_SPIN_LOCK( p ) KeAcquireSpinLock(&(p)->SpinLock, &(p)->OldIrql)
#define RELEASE_SPIN_LOCK( p ) KeReleaseSpinLock(&(p)->SpinLock, (p)->OldIrql)
#define ALLOCATE_SPIN_LOCK( p ) ExAllocateSpinLock(&(p)->SpinLock)
#define DEALLOCATE_SPIN_LOCK( p ) ExFreeSpinLock(&(p)->SpinLock)
enum _LLC_PACKET_TYPES {
LLC_PACKET_8022 = 0,
LLC_PACKET_MAC,
LLC_PACKET_DIX,
LLC_PACKET_OTHER_DESTINATION,
LLC_PACKET_MAX
};
#define MAX_DIX_TABLE 13 // good odd number!
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