283 lines
7.7 KiB
C
283 lines
7.7 KiB
C
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/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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dldef.h
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Abstract:
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This module defines all internal constants in data link driver.
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Author:
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Antti Saarenheimo (o-anttis) 25-MAY-1991
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Revision History:
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--*/
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#define DEBUG_VERSION 1
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//
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// Marks for FSM compiler
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//
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#define FSM_DATA
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#define FSM_PREDICATE_CASES
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#define FSM_ACTION_CASES
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#define FSM_CONST
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#define MAX_NDIS_PACKETS 5 // 5 for XID/TEST and 5 for others
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#define LLC_OPEN_TIMEOUT 1200 // 60 seconds (enough for tr open?)
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#define DEFAULT_TR_ACCESS 0x50
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#define NON_MAC_FRAME 0x40
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//
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// 2nd source routing control bit
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//
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#define SRC_ROUTING_LF_MASK 0x70
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#define MAX_TR_LAN_HEADER_SIZE 32
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#define LLC_MAX_LAN_HEADER 32
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#define MAX_TR_SRC_ROUTING_INFO 18
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//
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// the next status values are used internally by DLCAPI driver:
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//
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#define CONFIRM_CONNECT 0x0008
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#define CONFIRM_DISCONNECT 0x0004
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#define CONFIRM_CONNECT_FAILED 0x0002
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//
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// The following structures define I-frame, U-frame, and S-frame DLC headers.
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//
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#define LLC_SSAP_RESPONSE 0x0001 // if (ssap & LLC_SSAP_RESP),it's a response.
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#define LLC_DSAP_GROUP 0x0001 // Dsap lowest bit set when group sap
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#define LLC_SSAP_GLOBAL 0x00ff // the global SAP.
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#define LLC_SSAP_NULL 0x0000 // the null SAP.
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#define LLC_SSAP_MASK 0x00fe // mask to wipe out the response bit.
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#define LLC_DSAP_MASK 0x00fe // mask to wipe out the group SAP bit.
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#define LLC_RR 0x01 // command code for RR.
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#define LLC_RNR 0x05 // command code for RNR.
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#define LLC_REJ 0x09 // command code for REJ.
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#define LLC_SABME 0x6f // command code for SABME.
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#define LLC_DISC 0x43 // command code for DISC.
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#define LLC_UA 0x63 // command code for UA.
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#define LLC_DM 0x0f // command code for DM.
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#define LLC_FRMR 0x87 // command code for FRMR.
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#define LLC_UI 0x03 // command code for UI.
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#define LLC_XID 0xaf // command code for XID.
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#define LLC_TEST 0xe3 // command code for TEST.
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#define IEEE_802_XID_ID 0x81 // IEEE 802.2 XID identifier
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#define LLC_CLASS_II 3 // we support LLC Class II
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#define LLC_S_U_TYPE_MASK 3
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#define LLC_U_TYPE 3
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#define LLC_U_TYPE_BIT 2
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#define LLC_S_TYPE 1
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#define LLC_NOT_I_FRAME 0x01
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#define LLC_U_INDICATOR 0x03 // (cmd & LLC_U_IND) == LLC_U_IND --> U-frame.
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#define LLC_U_POLL_FINAL 0x10 // (cmd & LLC_U_PF) -> poll/final set.
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#define LLC_I_S_POLL_FINAL 1
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//
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// You may use 2048 or 1024 if you want to make link more aggressively to
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// increment the transmit window when there has been a I-c1 retransmission
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// after a T1 timeout.
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//
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#define LLC_MAX_T1_TO_I_RATIO 4096
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//
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// Link station flags
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//
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#define DLC_WAITING_RESPONSE_TO_POLL 0x01
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#define DLC_FIRST_POLL 0x02
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#define DLC_ACTIVE_REMOTE_CONNECT_REQUEST 0x04
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#define DLC_SEND_DISABLED 0x10
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#define DLC_FINAL_RESPONSE_PENDING_IN_NDIS 0x20
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#define DLC_LOCAL_BUSY_BUFFER 0x40
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#define DLC_LOCAL_BUSY_USER 0x80
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//
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// Test file for FSM compiler!!!!
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//
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#ifdef FSM_CONST
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enum eLanLlcInput {
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DISC0 = 0,
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DISC1 = 1,
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DM0 = 2,
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DM1 = 3,
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FRMR0 = 4,
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FRMR1 = 5,
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SABME0 = 6,
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SABME1 = 7,
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UA0 = 8,
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UA1 = 9,
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IS_I_r0 = 10,
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IS_I_r1 = 11,
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IS_I_c0 = 12,
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IS_I_c1 = 13,
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OS_I_r0 = 14,
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OS_I_r1 = 15,
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OS_I_c0 = 16,
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OS_I_c1 = 17,
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REJ_r0 = 18,
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REJ_r1 = 19,
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REJ_c0 = 20,
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REJ_c1 = 21,
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RNR_r0 = 22,
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RNR_r1 = 23,
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RNR_c0 = 24,
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RNR_c1 = 25,
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RR_r0 = 26,
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RR_r1 = 27,
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RR_c0 = 28,
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RR_c1 = 29,
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LPDU_INVALID_r0 = 30,
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LPDU_INVALID_r1 = 31,
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LPDU_INVALID_c0 = 32,
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LPDU_INVALID_c1 = 33,
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ACTIVATE_LS = 34,
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DEACTIVATE_LS = 35,
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ENTER_LCL_Busy = 36,
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EXIT_LCL_Busy = 37,
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SEND_I_POLL = 38,
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SET_ABME = 39,
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SET_ADM = 40,
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Ti_Expired = 41,
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T1_Expired = 42,
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T2_Expired = 43
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};
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enum eLanLlcState {
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LINK_CLOSED = 0,
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DISCONNECTED = 1,
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LINK_OPENING = 2,
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DISCONNECTING = 3,
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FRMR_SENT = 4,
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LINK_OPENED = 5,
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LOCAL_BUSY = 6,
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REJECTION = 7,
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CHECKPOINTING = 8,
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CHKP_LOCAL_BUSY = 9,
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CHKP_REJECT = 10,
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RESETTING = 11,
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REMOTE_BUSY = 12,
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LOCAL_REMOTE_BUSY = 13,
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REJECT_LOCAL_BUSY = 14,
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REJECT_REMOTE_BUSY = 15,
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CHKP_REJECT_LOCAL_BUSY = 16,
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CHKP_CLEARING = 17,
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CHKP_REJECT_CLEARING = 18,
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REJECT_LOCAL_REMOTE_BUSY = 19,
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FRMR_RECEIVED = 20
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};
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#endif
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#define MAX_LLC_LINK_STATE 21 // KEEP THIS IN SYNC WITH PREV ENUM!!!!
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#define DLC_DSAP_OFFSET 0
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#define DLC_SSAP_OFFSET 1
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#define DLC_COMMAND_OFFSET 2
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#define DLC_XID_INFO_ID 3
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#define DLC_XID_INFO_TYPE 4
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#define DLC_XID_INFO_WIN_SIZE 5
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#define MAX_XID_TEST_RESPONSES 20
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enum _LLC_FRAME_XLATE_MODES {
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LLC_SEND_UNSPECIFIED = -1,
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LLC_SEND_802_5_TO_802_3,
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LLC_SEND_802_5_TO_DIX,
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LLC_SEND_802_5_TO_802_5,
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LLC_SEND_802_5_TO_FDDI,
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LLC_SEND_DIX_TO_DIX,
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LLC_SEND_802_3_TO_802_3,
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LLC_SEND_802_3_TO_DIX,
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LLC_SEND_802_3_TO_802_5,
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LLC_SEND_UNMODIFIED,
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LLC_SEND_FDDI_TO_FDDI,
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LLC_SEND_FDDI_TO_802_5,
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LLC_SEND_FDDI_TO_802_3
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};
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#define DLC_TOKEN_RESPONSE 0
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#define DLC_TOKEN_COMMAND 2
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//*********************************************************************
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// **** Objects in _DLC_CMD_TOKENs enumeration and in auchLlcCommands
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// **** table bust MUST ABSOLUTELY BE IN THE SAME ORDER, !!!!!!!!
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// **** THEY ARE USED TO COMPRESS ********
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// **** THE SEND INITIALIZATION ********
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//
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enum _DLC_CMD_TOKENS {
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DLC_REJ_TOKEN = 4,
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DLC_RNR_TOKEN = 8,
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DLC_RR_TOKEN = 12,
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DLC_DISC_TOKEN = 16 | DLC_TOKEN_COMMAND,
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DLC_DM_TOKEN = 20,
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DLC_FRMR_TOKEN = 24,
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DLC_SABME_TOKEN = 28 | DLC_TOKEN_COMMAND,
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DLC_UA_TOKEN = 32
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};
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enum _LLC_PACKET_TYPES {
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LLC_PACKET_8022 = 0,
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LLC_PACKET_MAC,
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LLC_PACKET_DIX,
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LLC_PACKET_OTHER_DESTINATION,
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LLC_PACKET_MAX
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};
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#define MAX_DIX_TABLE 13 // good odd number!
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enum _LlcSendCompletionTypes {
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LLC_XID_RESPONSE, // 802.2 XID response packet
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LLC_U_COMMAND_RESPONSE, // link command response
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LLC_MIN_MDL_PACKET, // all packets above this have MDL
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LLC_DIX_DUPLICATE, // used to duplicate TEST and XID packets
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LLC_TEST_RESPONSE, // Test response (buffer in non Paged Pool)
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LLC_MAX_RESPONSE_PACKET,// all packets above this are indicated to user
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LLC_TYPE_1_PACKET,
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LLC_TYPE_2_PACKET,
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//
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// We use extra status bits to indicate, when I- packet has been both
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// completed by NDIS and acknowledged the other side of link connection.
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// An I packet can be queued to the completion queue by
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// the second guy (either state machine or SendCompletion handler)
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// only when the first guy has set completed its work.
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// An I packet could be acknowledged by the other side before
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// its completion is indicated by NDIS. Dlc Driver deallocates
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// the packet immediately, when Llc driver completes the acknowledged
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// packet => possible data corruption (if packet is reused before
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// NDIS has completed it). This is probably not possible in a
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// single processor NT- system, but very possible in multiprocessor
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// NT or systems without a single level DPC queue (like OS/2 and DOS).
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//
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LLC_I_PACKET_COMPLETE = 0x10,
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LLC_I_PACKET_UNACKNOWLEDGED = 0x20,
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LLC_I_PACKET_PENDING_NDIS = 0x40,
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LLC_I_PACKET = 0x70, // when we are sending it
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LLC_I_PACKET_WAITING_NDIS = 0x80
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};
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#define LLC_MAX_MULTICAST_ADDRESS 32
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