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windows-server-2003/net/dlc/driver/llcsm.fsm

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;*
;*
;* Copyright (c) 1991 Microsoft Corporation
;* Copyright (c) 1991 Nokia Data Systems AB
;*
;* Module Name:
;*
;* llclan.fsm
;*
;* Abstract:
;*
;* This finite state machine defines ISO-HDLC ABM protocol, plus
;* 2 (REJ), 10 (modulo 128).
;* This same finite state machine has been defined in IBM
;* "Token-Ring Network: Architecture Reference".
;* The main differences from the IBM specification:
;* - XID and TEST handling have been removed, because it does
;* delong to IEEE 802.2 standard and DLC API support XID and TEST
;* frames only in the SAP level.
;* - The indications sent to the higher level have been specified
;* according to the IBM LAN Techical Refernce and IEEE 802.2
;* standard.
;*
;* THIS DEFINITION FILE IS COMPILED BY FSMX COMPILER TO C CODE!!!!
;*
;* Author:
;*
;* Antti Saarenheimo [o-anttis] 13-MAY-1991
;*
;* Revision History:
;* 26-MAY-1991 by o-anttis
;* - All XID and TEST stuff have been removed
;* - All IH (Inform Higher level) primitives have been changed
;* specific indications
;*
[[Define]]
;* This name will be used as the prefix of all tables and states
;* produced by the FSM compiler
Name = LanLlc
;-- Constants are used in action and condtion fields
[Constants]
;-- First we have the action primitives
IT1 = TimerStart( &pLink->T1 )
TT1 = TimerStop( &pLink->T1 )
RT1 = TimerStart( &pLink->T1 )
CIT1 = TimerStartIf( &pLink->T1 )
IT2 = TimerStart( &pLink->T2 )
TT2 = TimerStop( &pLink->T2 )
RT2 = TimerStart( &pLink->T2 )
CIT2 = TimerStartIf( &pLink->T2 )
ITi = TimerStart( &pLink->Ti )
TTi = TimerStop( &pLink->Ti )
RTi = TimerStart( &pLink->Ti )
Update_Va = UpdateVa( pLink )
Adjust_Ww = AdjustWw( pLink )
Update_Va_Chkpt = UpdateVaChkpt( pLink )
Disable Link Station = DisableLinkStation( pLink )
Enable Link Station = EnableLinkStation( pLink )
Start Send_Proc = EnableSendProcess( pLink )
Stop Send_Proc = DisableSendProcess( pLink )
Resend Packets = ResendPackets( pLink )
Ignore_LPDU = Status = DLC_STATUS_IGNORE_FRAME
Dsc_I-fld = Status = DLC_STATUS_DISCARD_INFO_FIELD
Rcv_BTU = Status = STATUS_SUCCESS; pLink->Vr += 2
[Queue_I_LPDU] = Status = STATUS_SUCCESS
DefaultAction = Status = DLC_STATUS_NO_ACTION
Logical Error = Status = DLC_STATUS_LINK_PROTOCOL_ERROR
CONFIRM_CONNECT = EVENT_INDICATION( CONFIRM_CONNECT )
CONFIRM_CONNECT_FAILED = EVENT_INDICATION( CONFIRM_CONNECT_FAILED )
CONFIRM_DISCONNECT = EVENT_INDICATION( CONFIRM_DISCONNECT )
INDICATE_LINK_LOST = EVENT_INDICATION( INDICATE_LINK_LOST )
INDICATE_DM_DISC_RECEIVED = EVENT_INDICATION( INDICATE_DM_DISC_RECEIVED )
INDICATE_FRMR_RECEIVED = EVENT_INDICATION( INDICATE_FRMR_RECEIVED )
INDICATE_FRMR_SENT = EVENT_INDICATION( INDICATE_FRMR_SENT )
INDICATE_CONNECT_REQUEST = EVENT_INDICATION( INDICATE_CONNECT_REQUEST )
INDICATE_RESET = EVENT_INDICATION( INDICATE_RESET )
INDICATE_REMOTE_BUSY = EVENT_INDICATION( INDICATE_REMOTE_BUSY )
INDICATE_REMOTE_READY = EVENT_INDICATION( INDICATE_REMOTE_READY )
INDICATE_TI_TIMER_EXPIRED = EVENT_INDICATION( INDICATE_TI_TIMER_EXPIRED )
;-- Some Actions want to sent two events or frame. Then we will
;-- queue the first one immediately and save the second one to
;-- the stack.
Indicate = Indicate
Send_RNR_c = SEND_RNR_CMD
Send_RR_c = SEND_RR_CMD
;-- Precompiler replaces %c characters by the actual value
[I_c] = DLC_I_COMMAND
[REJ_r] = DLC_REJ_RESPONSE
[RNR_c] = DLC_RNR_COMMAND
[RNR_r] = DLC_RNR_RESPONSE
[RR_c] = DLC_RR_COMMAND
[RR_r] = DLC_RR_RESPONSE
[DISC] = DLC_DISC
[DM] = DLC_DM
[FRMR] = DLC_FRMR
[SABME] = DLC_SABME
[UA] = DLC_UA
[Send_ACK] = SEND_ACK( pLink )
;-- Constant enumerations of some variables
01000 = 0x08
01100 = 0x0c
00010 = 0x02
00001 = 0x01
;-- Vi
LIp = LOCAL_INIT_PENDING
RIp = REMOTE_INIT_PENDING
LRIp = (REMOTE_INIT_PENDING | LOCAL_INIT_PENDING)
Op = OPER_MODE_PENDING
ISp = IS_FRAME_PENDING
;-- Vb
Lb = STATE_LOCAL_BUSY
Rb = STATE_REMOTE_BUSY
LRb = (STATE_LOCAL_BUSY | STATE_REMOTE_BUSY)
DISCp = STACKED_DISCp_CMD
[Synonymes]
;-- The poll/final or the command/response bit has not been set
;-- in all inputs. We must covert all inputs to excact commands
FRMR = FRMR0|FRMR1
DISC = DISC0|DISC1
DM = DM0|DM1
SABME = SABME0|SABME1
UA = UA0|UA1
I_c = IS_I_c0|IS_I_c1|OS_I_c0|OS_I_c1
I_r = IS_I_r0|IS_I_r1|OS_I_r0|OS_I_r1
I_c0 = IS_I_c0|OS_I_c0
I_c1 = IS_I_c1|OS_I_c1
I_r0 = IS_I_r0|OS_I_r0
I_r1 = IS_I_r1|OS_I_r1
IS_I = IS_I_r0|IS_I_r1|IS_I_c0|IS_I_c1
OS_I = OS_I_r0|OS_I_r1|OS_I_c0|OS_I_c1
REJ = REJ_c0|REJ_c1|REJ_r0|REJ_r1
REJ_c = REJ_c0|REJ_c1
REJ_r = REJ_r0|REJ_r1
RNR = RNR_c0|RNR_c1|RNR_r0|RNR_r1
RNR_c = RNR_c0|RNR_c1
RNR_r = RNR_r0|RNR_r1
RR = RR_c0|RR_c1|RR_r0|RR_r1
RR_c = RR_c0|RR_c1
RR_r = RR_r0|RR_r1
LPDU_INVALID_r = LPDU_INVALID_r0|LPDU_INVALID_r1
LPDU_INVALID_c = LPDU_INVALID_c0|LPDU_INVALID_c1
LPDU_INVALID = LPDU_INVALID_r0|LPDU_INVALID_r1|LPDU_INVALID_c0|\
LPDU_INVALID_c1
[StateInputs]
State = LINK_CLOSED
State = DISCONNECTED
State = LINK_OPENING
State = DISCONNECTING
State = FRMR_SENT
State = LINK_OPENED
State = LOCAL_BUSY
State = REJECTION
State = CHECKPOINTING
State = CHKP_LOCAL_BUSY
State = CHKP_REJECT
State = RESETTING
State = REMOTE_BUSY
State = LOCAL_REMOTE_BUSY
State = REJECT_LOCAL_BUSY
State = REJECT_REMOTE_BUSY
State = CHKP_REJECT_LOCAL_BUSY
State = CHKP_CLEARING
State = CHKP_REJECT_CLEARING
State = REJECT_LOCAL_REMOTE_BUSY
State = FRMR_RECEIVED
Input = DISC0,DISC1
Input = DM0,DM1
Input = FRMR0,FRMR1
Input = SABME0,SABME1
Input = UA0,UA1
Input = IS_I_r0,IS_I_r1,IS_I_c0,IS_I_c1
Input = OS_I_r0,OS_I_r1,OS_I_c0,OS_I_c1
Input = REJ_r0,REJ_r1,REJ_c0,REJ_c1
Input = RNR_r0,RNR_r1,RNR_c0,RNR_c1
Input = RR_r0,RR_r1,RR_c0,RR_c1
Input = LPDU_INVALID_r0,LPDU_INVALID_r1,LPDU_INVALID_c0,LPDU_INVALID_c1
Input = ACTIVATE_LS
Input = DEACTIVATE_LS
Input = ENTER_LCL_Busy
Input = EXIT_LCL_Busy
Input = SEND_I_POLL
Input = SET_ABME
Input = SET_ADM
Input = Ti_Expired
Input = T1_Expired
Input = T2_Expired
;-- Only variables may be left side assign or a condition (!!!)
;-- All variables used in Action and Condition lines must be defined here
[Variables]
NewSt = pLink->State
P_Ct = pLink->P_Ct
Ia_Ct= pLink->Ia_Ct
Ir_Ct= pLink->Ir_Ct
Is_Ct= pLink->Is_Ct
Nr = pLink->Nr
; Ns = pLink->Ns
; Nw = pLink->Nw
N2 = pLink->N2
N3 = pLink->N3
Pf = pLink->Pf
; Ti = pLink->Ti
; T1 = pLink->T1
; T2 = pLink->T2
; TW = pLink->TW
Va = pLink->Va
Vb = pLink->Vb
Vc = pLink->Vc
Vi = pLink->Vi
Vp = pLink->Vp
Vr = pLink->Vr
Vs = pLink->Vs
Ww = pLink->Ww
P = boolPollFinal
VWXYZ = pLink->DlcStatus.FrmrData.Reason
;******************** LINK_CLOSED (01) ***********************
[[State]]
Name = LINK_CLOSED
[Transition]
Input = ACTIVATE_LS
Predicate =
Action = Enable Link Station; Vi = Vb = Vc = 0; ITi
NewState = DISCONNECTED
[Transition]
Input = DEACTIVATE_LS|ENTER_LCL_Busy|EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
; Input = SEND_BTU|SET_ABME|SET_ADM|Ti_Expired|\
Input = SET_ABME|SET_ADM|Ti_Expired|\
T1_Expired|T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC|DM|FRMR|SABME||UA|I_c|I_r|REJ|RNR|RR
Predicate =
Action = Ignore_LPDU
NewState =
;******************** DISCONNECTED (02) ***********************
[[State]]
Name = DISCONNECTED
[Transition]
Input = ACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DEACTIVATE_LS
Predicate =
Action = Disable Link Station
NewState = LINK_CLOSED
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0
NewState =
[Transition]
Input = LPDU_INVALID
Predicate =
Action = Ignore_LPDU
NewState =
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = Logical Error
; NewState =
[Transition]
Input = SET_ABME
Predicate = Vi==0
Action = Vi=LIp; TTi; CIT1; P_Ct=N2; Is_Ct=N2; [SABME](1)
NewState = LINK_OPENING
[Transition]
Input = SET_ABME
Predicate = Vi==RIp
Action = Vi=Op; Is_Ct=N2; Ir_Ct=N3; RTi; Va=Vs=Vr=Vp=0; [UA](Pf)
NewState = LINK_OPENING
[Transition]
Input = SET_ADM
Predicate = Vi==0
Action = CONFIRM_DISCONNECT; RTi; [DM](0)
NewState =
[Transition]
Input = SET_ADM
Predicate = Vi==RIp
Action = CONFIRM_DISCONNECT; Vi=0; RTi; [DM](Pf)
NewState =
[Transition]
Input = Ti_Expired
Predicate =
Action = ITi
NewState =
[Transition]
Input = T1_Expired
Predicate = P_Ct==0
Action = ;
NewState =
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = [DM](P)
NewState =
[Transition]
Input = DM|FRMR
Predicate =
Action = Ignore_LPDU
NewState =
;*
;* THIS IS NON-IBM EXTENSION!
;* We want to indicate just one remote connect request.
;* Otherwise the client would try to create more than one
;* link station for the same link.
;*
[Transition]
Input = SABME
; Predicate =
Predicate = Vi==0
Action = INDICATE_CONNECT_REQUEST; Vi=RIp; Pf=P; RTi
NewState =
[Transition]
Input = UA
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = I_c0|I_r0
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = I_c1
Predicate =
Action = [DM](1)
NewState =
[Transition]
Input = I_r1
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = REJ_c0|RNR_c0|RR_c0
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = REJ_c1|RNR_c1|RR_c1
Predicate =
Action = [DM](1)
NewState =
[Transition]
Input = REJ_r|RNR_r|RR_r
Predicate =
Action = Ignore_LPDU
NewState =
;******************** LINK_OPENING (03) ***********************
[[State]]
Name = LINK_OPENING
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0
NewState =
; I can't allow this to happen, because the FRNR_SENT state might
; eventually end to an opened state => this indication would be wrong.
;
; [Transition]
; Input = LPDU_INVALID
; Predicate = Vi==Op, Nr!=0
; Action = INDICATE_FRMR_SENT, RTi; WXYZ=00001; [FRMR](P); \
; CONFIRM_CONNECT_FAILED;
; NewState = FRMR_SENT
;
; [Transition]
; Input = LPDU_INVALID
; Predicate = Vi!=Op
; Action = Ignore_LPDU
; NewState =
[Transition]
Input = LPDU_INVALID
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
; Input = SEND_BTU|SET_ABME
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate = Vi==LIp || Vi==RIp
Action = CONFIRM_CONNECT_FAILED; CONFIRM_DISCONNECT; Vi=0; TT1; \
ITi; [DM](0)
NewState = DISCONNECTED
[Transition]
Input = SET_ADM
Predicate = Vi==Op
Action = Vi=0; TTi; IT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
;
; Yet another bug in the IBM state machine: We are forever stuck
; in the LINK_PENING state, if an open link station was reset
; any a remote busy state (when Vb!=0 && Vb=Lb).
; Vb==Lb must actually mean (Vb&Lb) != 0 and Vb==0 must mean
; (Vb&Lb) == 0
[Transition]
Input = Ti_Expired
Predicate = (Vb&Lb)==0
Action = CONFIRM_CONNECT; INDICATE_TI_TIMER_EXPIRED;\
Vi=ISp; IT1; P_Ct=N2; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = Ti_Expired
Predicate = (Vb&Lb)!=0
Action = CONFIRM_CONNECT; INDICATE_TI_TIMER_EXPIRED; \
Vi=ISp; IT1; P_Ct=N2; [RNR_c](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = T1_Expired
Predicate = P_Ct==0, Vi==LIp
Action = CONFIRM_CONNECT_FAILED; INDICATE_LINK_LOST; Vi=0; ITi
NewState = DISCONNECTED
[Transition]
Input = T1_Expired
Predicate = P_Ct!=0, Vi==LIp
Action = IT1; P_Ct--; [SABME](1)
NewState =
[Transition]
Input = T1_Expired
Predicate = Vi==LRIp, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Va=Vs=Vr=Vp=0, Vi=ISp, Vc=0; IT1; P_Ct=N2; \
Is_Ct=N2; Ir_Ct=N3; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = T1_Expired
Predicate = Vi==LRIp, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Va=Vs=Vr=Vp=0; Vi=ISp; Vc=0; IT1; P_Ct=N2; \
Is_Ct=N2; Ir_Ct=N3; [RNR_c](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = CONFIRM_CONNECT_FAILED; INDICATE_DM_DISC_RECEIVED; Vi=0; \
TT1; RTi; [DM](P)
NewState = DISCONNECTED
[Transition]
Input = DM
Predicate =
Action = CONFIRM_CONNECT_FAILED; INDICATE_DM_DISC_RECEIVED; \
Vi=0; TT1; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = SABME0|SABME1
Predicate = Vi==Op
Action = RTi; [UA](P)
NewState =
[Transition]
Input = SABME0|SABME1
Predicate = Vi==LIp || Vi==LRIp
Action = Vi=LRIp; [UA](P)
NewState =
[Transition]
Input = UA1
Predicate = (Vi==LIp || Vi==LRIp), (Vb&Lb)==0
Action = CONFIRM_CONNECT; Va=Vs=Vr=Vp=0; Vi=ISp; Vc=0; RT1; P_Ct=N2; \
Is_Ct=N2; Ir_Ct=N3; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = UA1
Predicate = (Vi==LIp || Vi==LRIp), (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Va=Vs=Vr=Vp=0; Vi=ISp; Vc=0; RT1; P_Ct=N2; \
Is_Ct=N2; Ir_Ct=N3; [RNR_c](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = UA1
Predicate = (Vi==Op)
Action = Ignore_LPDU
NewState =
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Vi=0; Rcv_BTU; RTi; Start Send_Proc; [Send_ACK]
NewState = LINK_OPENED
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vi=0; Dsc_I-fld; RTi; Start Send_Proc; \
[RNR_r](0)
NewState = LOCAL_BUSY
[Transition]
Input = IS_I_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Vi=0; Rcv_BTU; RTi; Start Send_Proc; [RR_r](1)
NewState = LINK_OPENED
[Transition]
Input = IS_I_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vi=0; Dsc_I-fld; RTi; Start Send_Proc;\
[RNR_r](1)
NewState = LOCAL_BUSY
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Vi=0; Dsc_I-fld; RTi; Start Send_Proc;\
[REJ_r](0)
NewState = REJECTION
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vi=0; Dsc_I-fld; RTi; Start Send_Proc;\
[RNR_r](0)
NewState = LOCAL_BUSY
[Transition]
Input = OS_I_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Vi=0; Dsc_I-fld; RTi; Start Send_Proc; \
[REJ_r](1)
NewState = REJECTION
[Transition]
Input = OS_I_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vi=0; Dsc_I-fld; RTi; Start Send_Proc;
[RNR_r](1)
NewState = LOCAL_BUSY
[Transition]
Input = RNR_c0|RNR_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; INDICATE_REMOTE_BUSY; Vb=Rb; \
Vi=0; RTi; Is_Ct=N2
NewState = REMOTE_BUSY
[Transition]
Input = RNR_c0|RNR_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vb=LRb; Vi=0; RTi; Is_Ct=N2
NewState = LOCAL_REMOTE_BUSY
[Transition]
Input = RNR_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; INDICATE_REMOTE_BUSY; Vb=Rb; \
Vi=0; RTi; Is_Ct=N2; [RR_r](1)
NewState = REMOTE_BUSY
[Transition]
Input = RNR_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vb=LRb; Vi=0; RTi; Is_Ct=N2; [RNR_r](1)
NewState = LOCAL_REMOTE_BUSY
[Transition]
Input = RR_c0|RR_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Vi=0; RTi; Start Send_Proc
NewState = LINK_OPENED
[Transition]
Input = RR_c0|RR_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vi=0; RTi; Start Send_Proc
NewState = LOCAL_BUSY
[Transition]
Input = RR_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Vi=0; RTi; Start Send_Proc; [RR_r](1)
NewState = LINK_OPENED
[Transition]
Input = RR_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vi=0; RTi; Start Send_Proc; [RNR_r](1)
NewState = LOCAL_BUSY
[Transition]
Input = REJ_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Vi=0; RTi; Start Send_Proc; [RR_r](1)
NewState = LINK_OPENED
[Transition]
Input = REJ_c1
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vi=0; RTi; Start Send_Proc; [RNR_r](1)
NewState = LOCAL_BUSY
[Transition]
Input = REJ_c0|REJ_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)==0
Action = CONFIRM_CONNECT; Vi=0; RTi; Start Send_Proc
NewState = LINK_OPENED
[Transition]
Input = REJ_c0|REJ_r0
Predicate = Vi==Op, Nr==0, (Vb&Lb)!=0
Action = CONFIRM_CONNECT; Vi=0; RTi; Start Send_Proc
NewState = LOCAL_BUSY
;******************** DISCONNECTING (04) ***********************
[[State]]
Name = DISCONNECTING
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0
NewState =
[Transition]
Input = LPDU_INVALID
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
; Input = SEND_BTU|SET_ABME|SET_ADM|Ti_Expired
Input = SET_ABME|SET_ADM|Ti_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = T1_Expired
Predicate = P_Ct==0
Action = CONFIRM_DISCONNECT; ITi
NewState = DISCONNECTED
[Transition]
Input = T1_Expired
Predicate = P_Ct!=0
Action = IT1; P_Ct--; [DISC](1)
NewState =
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = [UA](P)
NewState =
[Transition]
Input = DM0|DM1
Predicate =
Action = CONFIRM_DISCONNECT; TT1; ITi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = SABME0|SABME1
Predicate =
Action = CONFIRM_DISCONNECT; TT1; ITi; [DM](P)
NewState = DISCONNECTED
[Transition]
Input = UA1
Predicate =
Action = CONFIRM_DISCONNECT; TT1; ITi
NewState = DISCONNECTED
[Transition]
Input = I_c|I_r
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = REJ|RNR|RR
Predicate =
Action = Ignore_LPDU
NewState =
;******************** FRMR_SENT (05) ***********************
[[State]]
Name = FRMR_SENT
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0
NewState =
[Transition]
Input = LPDU_INVALID
Predicate =
Action = Ignore_LPDU
NewState =
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = Logical Error
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = TTi; IT1; P_Ct=N2; Vi=LIp; [SABME](1)
NewState = LINK_OPENING
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; IT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = INDICATE_TI_TIMER_EXPIRED; ITi
NewState =
[Transition]
Input = T1_Expired|T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; P_Ct=N2; RTi
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; RTi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = I_c0|I_c1
Predicate =
Action = INDICATE_FRMR_SENT; RTi; [FRMR](P)
NewState =
[Transition]
Input = I_r0|I_r1
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = REJ_c0|REJ_c1|RNR_c0|RNR_c1|RR_c0|RR_c1
Predicate =
Action = INDICATE_FRMR_SENT; RTi; [FRMR](P)
NewState =
[Transition]
Input = REJ_r0|REJ_r1|RNR_r0|RNR_r1|RR_r0|RR_r1
Predicate =
Action = Ignore_LPDU
NewState =
;******************** LINK_OPENED (06) ***********************
[[State]]
Name = LINK_OPENED
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb; TT2; Ir_Ct=N3; [RNR_r](0)
NewState = LOCAL_BUSY
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; TT2; RTi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; TT2; RTi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SEND_I_POLL
Predicate =
Action = RT1; P_Ct=N2; Vp=Vs; Ir_Ct=N3; Is_Ct--
NewState = CHECKPOINTING
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; RT1; P_Ct=N2; TT2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = IT1; P_Ct=N2; TT2; Ir_Ct=N3; Stop Send_Proc; Vp=Vs; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = T1_Expired
Predicate = Is_Ct>0
Action = IT1; P_Ct=N2; TT2; Ir_Ct=N3; Stop Send_Proc; Vp=Vs; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = T1_Expired
Predicate = Is_Ct<=0
Action = INDICATE_LINK_LOST; TT2; P_Ct=N2; IT1; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = T2_Expired
Predicate =
Action = Ir_Ct=N3; [RR_r](0)
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; TT2; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; TT2
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi; P_Ct=N2; TT2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; RTi; TT2
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; TT2; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0|IS_I_r1
Predicate =
Action = Update_Va; Rcv_BTU; [Send_ACK]
NewState =
[Transition]
Input = IS_I_c1
Predicate =
Action = Update_Va; Rcv_BTU; TT2; Ir_Ct=N3; [RR_r](1)
NewState =
[Transition]
Input = OS_I_c0|OS_I_r0|OS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld; TT2; Ir_Ct=N3; [REJ_r](0)
NewState = REJECTION
[Transition]
Input = OS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; TT2; Ir_Ct=N3; [REJ_r](1)
NewState = REJECTION
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr == Vs
Action = Update_Va
NewState =
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr != Vs
Action = Resend Packets, Update_Va; Is_Ct--
NewState =
[Transition]
Input = REJ_c1
Predicate = Nr == Vs
Action = Update_Va; TT2; [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Nr != Vs
Action = Resend Packets, Update_Va; TT2; Ir_Ct=N3; Is_Ct--;\
[RR_r](1)
NewState =
[Transition]
Input = RNR_c0|RNR_r0|RNR_r1
Predicate =
Action = INDICATE_REMOTE_BUSY; Update_Va; Vb=Rb, Is_Ct=N2; \
Stop Send_Proc
NewState = REMOTE_BUSY
[Transition]
Input = RNR_c1
Predicate =
Action = INDICATE_REMOTE_BUSY; Update_Va; Vb=Rb; TT2; Ir_Ct=N3; \
Is_Ct=N2; Stop Send_Proc; [RR_r](1)
NewState = REMOTE_BUSY
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate =
Action = Update_Va
NewState =
[Transition]
Input = RR_c1
Predicate =
Action = Update_Va; TT2; Ir_Ct=N3; [RR_r](1)
NewState =
;******************** LOCAL_BUSY (07) ***********************
[[State]]
Name = LOCAL_BUSY
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS | ENTER_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0; TTi; RT1; P_Ct=N2; Vp=Vs; Stop Send_Proc; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SEND_I_POLL
Predicate =
Action = RT1; P_Ct=N2; Vp=Vs; Ir_Ct=N3; Is_Ct--
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; RT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = IT1; P_Ct=N2; Stop Send_Proc; Vp=Vs; [RNR_c](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = T1_Expired
Predicate = Is_Ct>0
Action = IT1; P_Ct=N2; Stop Send_Proc; Vp=Vs; [RNR_c](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = T1_Expired
Predicate = Is_Ct<=0
Action = TT2; P_Ct=N2; IT1; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; RTi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x08; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0|IS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](0)
NewState =
[Transition]
Input = IS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = OS_I_c0|OS_I_r0|OS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](0)
NewState =
[Transition]
Input = OS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr == Vs
Action = Update_Va
NewState =
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr != Vs
Action = Resend Packets, Update_Va; Is_Ct--
NewState =
[Transition]
Input = REJ_c1
Predicate = Nr == Vs
Action = Update_Va; TT2; [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Nr != Vs
Action = Resend Packets, Update_Va; Is_Ct--; [RNR_r](1)
NewState =
[Transition]
Input = RNR_c0|RNR_r0|RNR_r1
Predicate =
Action = Update_Va; Vb=LRb; Is_Ct=N2; Stop Send_Proc
NewState = LOCAL_REMOTE_BUSY
[Transition]
Input = RNR_c1
Predicate =
Action = Update_Va; Vb=LRb; Is_Ct=N2; Stop Send_Proc; [RNR_r](1)
NewState = LOCAL_REMOTE_BUSY
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate =
Action = Update_Va
NewState =
[Transition]
Input = RR_c1
Predicate =
Action = Update_Va; [RNR_r](1)
NewState =
;******************** REJECTION (08) ***********************
[[State]]
Name = REJECTION
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb; [RNR_r](0)
NewState = REJECT_LOCAL_BUSY
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=00001; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=00001; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SEND_I_POLL
Predicate =
Action = RT1; P_Ct=N2; Vp=Vs; Is_Ct--
NewState = CHKP_REJECT
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; RT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = IT1; P_Ct=N2; Stop Send_Proc; Vp=Vs; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = T1_Expired
Predicate = Is_Ct>0
Action = IT1; P_Ct=N2; Stop Send_Proc; Vp=Vs; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = T1_Expired
Predicate = P_Ct<=0
Action = P_Ct=N2; IT1; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; RTi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0|IS_I_r1
Predicate =
Action = Update_Va; Rcv_BTU; [Send_ACK]
NewState = LINK_OPENED
[Transition]
Input = IS_I_c1
Predicate =
Action = Update_Va; Rcv_BTU; [RR_r](1)
NewState = LINK_OPENED
[Transition]
Input = OS_I_c0|OS_I_r0|OS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld
NewState =
[Transition]
Input = OS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RR_r](1)
NewState =
[Transition]
Input = REJ_c0 | REJ_r0 | REJ_r1
Predicate = Nr == Vs
Action = Update_Va
NewState =
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr != Vs
Action = Resend Packets, Update_Va; Is_Ct--
NewState =
[Transition]
Input = REJ_c1
Predicate = Nr == Vs
Action = Update_Va; TT2; [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Nr != Vs
Action = Resend Packets, Update_Va; Is_Ct--; [RR_r](1)
NewState =
[Transition]
Input = RNR_c0|RNR_r0|RNR_r1
Predicate =
Action = INDICATE_REMOTE_BUSY; Update_Va; Vb=Rb; Is_Ct=N2; Stop Send_Proc
NewState = REJECT_REMOTE_BUSY
[Transition]
Input = RNR_c1
Predicate =
Action = INDICATE_REMOTE_BUSY; Update_Va; Vb=Rb; Is_Ct=N2; \
Stop Send_Proc; [RR_r](1)
NewState = REJECT_REMOTE_BUSY
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate =
Action = Update_Va
NewState =
[Transition]
Input = RR_c1
Predicate =
Action = Update_Va; [RR_r](1)
NewState =
;******************** CHECKPOINTING (09) ***********************
[[State]]
Name = CHECKPOINTING
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb; TT2; Ir_Ct=N3; [RNR_r](0)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; TT2; ITi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; TT2; ITi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc==0
Action = Vc=DISCp
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc!=0
Action = Logical Error
NewState =
[Transition]
Input = Ti_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = T1_Expired
Predicate = P_Ct==0
Action = INDICATE_LINK_LOST; TT2; ITi
NewState = DISCONNECTED
[Transition]
Input = T1_Expired
Predicate = P_Ct!=0
Action = IT1; P_Ct--; Vp=Vs; TT2; Ir_Ct=N3; Stop Send_Proc; [RR_c](1)
NewState =
[Transition]
Input = T2_Expired
Predicate =
Action = Ir_Ct=N3; [RR_r](0)
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi; TT2; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi; TT2
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi; P_Ct=N2; TT2; Vc=0
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; ITi; TT2
NewState = RESETTING
[Transition]
Input = UA
Predicate = Vi!=ISp
Action = INDICATE_FRMR_SENT; TT1; ITi; TT2; Vc=0; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = UA
Predicate = Vi==ISp
Action = Ignore_LPDU
NewState =
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va == Nr
Action = Rcv_BTU; [Send_ACK]
NewState =
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Rcv_BTU; Is_Ct=N2; [Send_ACK]
NewState =
[Transition]
Input = IS_I_c1
Predicate = Va == Nr
Action = Rcv_BTU; TT2; Ir_Ct=N3; [RR_r](1)
NewState =
[Transition]
Input = IS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Rcv_BTU; Is_Ct=N2; TT2; Ir_Ct=N3; [RR_r](1)
NewState =
[Transition]
Input = IS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Rcv_BTU; Start Send_Proc; [Send_ACK]
NewState = LINK_OPENED
[Transition]
Input = IS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Dsc_I-fld; Vc=0; TTi; P_Ct=N2; TT2; \
[DISC](1)
NewState = DISCONNECTING
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va == Nr
Action = Dsc_I-fld; TT2; Ir_Ct=N3; [REJ_r](0)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; TT2; Ir_Ct=N3; [REJ_r](0)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c1
Predicate = Va == Nr
Action = Dsc_I-fld; TT2; Ir_Ct=N3; [REJ_r](1)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; TT2; Ir_Ct=N3; [REJ_r](1)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Dsc_I-fld; TT2; Ir_Ct=N3; Start Send_Proc; \
[REJ_r](0)
NewState = REJECTION
[Transition]
Input = OS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; TT2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = REJ_c0 | REJ_r0
Predicate = Va != Nr
Action = Is_Ct=N2; Resend Packets
NewState =
[Transition]
Input = REJ_c1
Predicate = Va == Nr
Action = TT2; [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Va != Nr
Action = Is_Ct=N2; TT2; Ir_Ct=N3; Resend Packets; [RR_r](1)
NewState =
[Transition]
Input = REJ_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Start Send_Proc
NewState = LINK_OPENED
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va == Nr
Action = Vb=Rb; Is_Ct=N2
NewState =
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Vb=Rb; Is_Ct=N2
NewState =
[Transition]
Input = RNR_c1
Predicate = Va == Nr
Action = Vb=Rb; TT2; Is_Ct=N2; Ir_Ct=N3; [RR_r](1)
NewState =
[Transition]
Input = RNR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Vb=Rb; TT2; Is_Ct=N2; Ir_Ct=N3; [RR_r](1)
NewState =
[Transition]
Input = RNR_r1
Predicate = Vc==0
Action = INDICATE_REMOTE_BUSY; Update_Va_Chkpt; Is_Ct=N2
NewState = REMOTE_BUSY
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va == Nr
Action = ;
NewState =
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2
NewState =
[Transition]
Input = RR_c1
Predicate = Va == Nr
Action = TT2; Ir_Ct=N3; [RR_r](1)
NewState =
[Transition]
Input = RR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; TT2; Ir_Ct=N3; [RR_r](1)
NewState =
[Transition]
Input = RR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Start Send_Proc
NewState = LINK_OPENED
[Transition]
Input = REJ_r1|RNR_r1|RR_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
;***************** CHECKPOINTING+LOCAL_BUSY (10) ********************
[[State]]
Name = CHKP_LOCAL_BUSY
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS | ENTER_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0; [RR_r](0)
NewState = CHKP_CLEARING
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc==0
Action = Vc=DISCp
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc!=0
Action = Logical Error
NewState =
[Transition]
Input = Ti_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = T1_Expired
Predicate = P_Ct==0
Action = INDICATE_LINK_LOST; ITi
NewState = DISCONNECTED
[Transition]
Input = T1_Expired
Predicate = P_Ct!=0
Action = IT1; P_Ct--; Vp=Vs; Stop Send_Proc; [RNR_c](1)
NewState =
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; ITi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; ITi
NewState = RESETTING
[Transition]
Input = UA
Predicate = Vi!=ISp
Action = INDICATE_FRMR_SENT; TT1; ITi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = UA
Predicate = Vi==ISp
Action = Ignore_LPDU
NewState =
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va == Nr
Action = Dsc_I-fld; [RNR_r](0)
NewState =
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [RNR_r](0)
NewState =
[Transition]
Input = IS_I_c1
Predicate = Va == Nr
Action = Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = IS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = IS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Dsc_I-fld; Start Send_Proc; [RNR_r](0)
NewState = LOCAL_BUSY
[Transition]
Input = IS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va == Nr
Action = Dsc_I-fld
NewState =
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2
NewState =
[Transition]
Input = OS_I_c1
Predicate = Va == Nr
Action = Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = OS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = OS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Dsc_I-fld; Start Send_Proc
NewState = LOCAL_BUSY
[Transition]
Input = OS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = REJ_c0 | REJ_r0
Predicate = Va != Nr
Action = Is_Ct=N2; Resend Packets
NewState =
[Transition]
Input = REJ_c1
Predicate = Va == Nr
Action = [RNR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Va != Nr
Action = Is_Ct=N2; Resend Packets; [RNR_r](1)
NewState =
[Transition]
Input = REJ_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Start Send_Proc
NewState = LOCAL_BUSY
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va == Nr
Action = Vb=LRb; Is_Ct=N2
NewState =
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Vb=LRb; Is_Ct=N2
NewState =
[Transition]
Input = RNR_c1
Predicate = Va == Nr
Action = Vb=LRb; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = RNR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Vb=LRb; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = RNR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Vb=LRb; Is_Ct=N2
NewState = LOCAL_REMOTE_BUSY
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va == Nr
Action = ;
NewState =
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2
NewState =
[Transition]
Input = RR_c1
Predicate = Va == Nr
Action = [RNR_r](1)
NewState =
[Transition]
Input = RR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = RR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Start Send_Proc
NewState = LOCAL_BUSY
[Transition]
Input = REJ_r1|RNR_r1|RR_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
;******************** CHKP_REJECT (11) ***********************
[[State]]
Name = CHKP_REJECT
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc==0
Action = Vc=DISCp
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc!=0
Action = Logical Error
NewState =
[Transition]
Input = Ti_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = T1_Expired
Predicate = P_Ct==0
Action = INDICATE_LINK_LOST; ITi
NewState = DISCONNECTED
[Transition]
Input = T1_Expired
Predicate = P_Ct!=0
Action = IT1; P_Ct--; Vp=Vs; Stop Send_Proc; [RR_c](1)
NewState =
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; ITi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; ITi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va == Nr
Action = Rcv_BTU; [Send_ACK]
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Rcv_BTU; Is_Ct=N2; [Send_ACK]
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c1
Predicate = Va == Nr
Action = Rcv_BTU; [RR_r](1)
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Rcv_BTU; Is_Ct=N2; [RR_r](1)
NewState = CHECKPOINTING
[Transition]
Input = IS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Rcv_BTU; Start Send_Proc; [Send_ACK]
NewState = LINK_OPENED
[Transition]
Input = IS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va == Nr
Action = Dsc_I-fld
NewState =
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2
NewState =
[Transition]
Input = OS_I_c1
Predicate = Va == Nr
Action = Dsc_I-fld; [RR_r](1)
NewState =
[Transition]
Input = OS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = OS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Dsc_I-fld; Start Send_Proc
NewState = REJECTION
[Transition]
Input = OS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = REJ_c0 | REJ_r0
Predicate = Va != Nr
Action = Is_Ct=N2; Resend Packets
NewState =
[Transition]
Input = REJ_c1
Predicate = Va == Nr
Action = [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Va != Nr
Action = Is_Ct=N2; Resend Packets; [RR_r](1)
NewState =
[Transition]
Input = REJ_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Start Send_Proc
NewState = REJECTION
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va == Nr
Action = Vb=Rb; Is_Ct=N2
NewState =
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Vb=Rb; Is_Ct=N2
NewState =
[Transition]
Input = RNR_c1
Predicate = Va == Nr
Action = Vb=Rb; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = RNR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Vb=Rb; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = RNR_r1
Predicate = Vc==0
Action = INDICATE_REMOTE_BUSY; Update_Va_Chkpt; Is_Ct=N2
NewState = REJECT_REMOTE_BUSY
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2
NewState =
[Transition]
Input = RR_c1
Predicate = Va == Nr
Action = [RR_r](1)
NewState =
[Transition]
Input = RR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = RR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Start Send_Proc
NewState = REJECTION
[Transition]
Input = REJ_r1|RNR_r1|RR_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
;******************** RESETTING (12) ***********************
[[State]]
Name = RESETTING
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0
NewState =
[Transition]
Input = LPDU_INVALID
Predicate =
Action = Ignore_LPDU
NewState =
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = Logical Error
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Vi=Op; RTi; Va=Vs=Vr=Vp=0; Is_Ct=N2; Ir_Ct=N3; [UA](Pf)
NewState = LINK_OPENING
[Transition]
Input = SET_ADM
Predicate =
Action = CONFIRM_DISCONNECT; Vi=0; RTi; [DM](Pf)
NewState = DISCONNECTED
[Transition]
Input = Ti_Expired
Predicate =
Action = INDICATE_TI_TIMER_EXPIRED; ITi
NewState =
[Transition]
Input = T1_Expired|T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; Vi=0; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; Vi=0; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; Vi=0; RTi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; RTi
NewState =
[Transition]
Input = UA
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = IS_I|OS_I
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = REJ|RNR|RR
Predicate =
Action = Ignore_LPDU
NewState =
;******************** REMOTE_BUSY (13) ***********************
[[State]]
Name = REMOTE_BUSY
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=LRb; TT2; Ir_Ct=N3; [RNR_r](0)
NewState = LOCAL_REMOTE_BUSY
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; TT2; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; TT2; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; RT1; P_Ct=N2; TT2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = IT1; P_Ct=N2; Vp=Vs; TT2; Ir_Ct=N3; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = T1_Expired
Predicate = Is_Ct>0
Action = IT1; P_Ct=N2; Vp=Vs; TT2; Ir_Ct=N3; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = T1_Expired
Predicate = Is_Ct<=0
Action = TT2; P_Ct=N2; IT1; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = T2_Expired
Predicate =
Action = Ir_Ct=N3; [RR_r](0)
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; TT2; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; TT2
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi; P_Ct=N2; TT2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; RTi; TT2
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; TT2; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate =
Action = Update_Va; Rcv_BTU; [Send_ACK]
NewState =
[Transition]
Input = IS_I_r1
Predicate =
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; Rcv_BTU; [Send_ACK]
NewState = LINK_OPENED
[Transition]
Input = IS_I_c1
Predicate =
Action = Update_Va; Rcv_BTU; TT2; Ir_Ct=N3; [RR_r](1)
NewState =
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate =
Action = Update_Va; Dsc_I-fld; TT2; Ir_Ct=N3; [REJ_r](0)
NewState = REJECT_REMOTE_BUSY
[Transition]
Input = OS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; TT2; Ir_Ct=N3; [RNR_r](1)
NewState = REJECT_REMOTE_BUSY
[Transition]
Input = OS_I_r1
Predicate =
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; Dsc_I-fld; TT2; \
[REJ_r](0)
NewState = REJECTION
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; Start Send_Proc
NewState = LINK_OPENED
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=0; Resend Packets, Update_Va;\
Is_Ct--; Start Send_Proc
NewState = LINK_OPENED
[Transition]
Input = REJ_c1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=0; Resend Packets, Update_Va;\
TT2; Is_Ct--; Ir_Ct=N3; Start Send_Proc; [RR_r](1)
NewState = LINK_OPENED
[Transition]
Input = REJ_c1
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; TT2; Start Send_Proc;\
[RR_r](1)
NewState = LINK_OPENED
[Transition]
Input = RNR_c0|RNR_r0|RNR_r1
Predicate =
Action = Update_Va
NewState =
[Transition]
Input = RNR_c1
Predicate =
Action = Update_Va; TT2; Ir_Ct=N3; [RR_r](1)
NewState =
;
; The orginal IBM state machine sucks!!!
;
; We must restart T1 timer, because by sending Poll we actually
; sync the send and receive state variables. Otherwise a
; pending T1 timeout will send immediately another RR-c1, that will
; actually kill this state machine (in a MP system the SendSpinLock
; keeps the link stable). UpdateVa cannot restart T1, if no new
; frames have been acknowledged (it's impossible!)
;
; [Transition]
; Input = RR_c1
; Predicate = Nr != Vs
; Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; TT2; Ir_Ct=N3;\
; Send_RR_c(1); [RR_r](1)
; NewState = CHECKPOINTING
[Transition]
Input = RR_c1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; RT1; TT2; Ir_Ct=N3;\
Send_RR_c(1); [RR_r](1)
NewState = CHECKPOINTING
[Transition]
Input = RR_c1
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; TT2; \
Start Send_Proc; Ir_Ct=N3; [RR_r](1)
NewState = LINK_OPENED
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; RT1; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; Start Send_Proc
NewState = LINK_OPENED
;******************** LOCAL_REMOTE_BUSY (14) ***********************
[[State]]
Name = LOCAL_REMOTE_BUSY
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS | ENTER_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=Rb; TTi; RT1; P_Ct=N2; Vp=Vs; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; RT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = IT1; P_Ct=N2; Vp=Vs; [RNR_c](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = T1_Expired
Predicate =
Action = IT1; P_Ct=N2; Vp=Vs; [RNR_c](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; RTi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0|IS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](0)
NewState =
[Transition]
Input = IS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = OS_I_c0|OS_I_r0|OS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](0)
NewState =
[Transition]
Input = OS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr == Vs
Action = Update_Va
NewState =
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; Start Send_Proc; \
Resend Packets, Update_Va; Is_Ct--
NewState = LOCAL_BUSY
[Transition]
Input = REJ_c1
Predicate = Nr == Vs
Action = Update_Va; TT2; [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; Resend Packets, Update_Va; \
Start Send_Proc; Is_Ct--; [RNR_r](1)
NewState = LOCAL_BUSY
[Transition]
Input = RNR_c0|RNR_r0|RNR_r1
Predicate =
Action = Update_Va
NewState =
[Transition]
Input = RNR_c1
Predicate =
Action = Update_Va; [RNR_r](1)
NewState =
[Transition]
Input = RR_c1
Predicate = Nr != Vs
Action = Vb=Lb; RT1; Update_Va, Send_RNR_c(1); [RNR_r](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = RR_c1
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; Update_Va; Start Send_Proc; \
[RNR_r](1)
NewState = LOCAL_BUSY
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; RT1; Update_Va; [RNR_c](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; Update_Va; Start Send_Proc
NewState = LOCAL_BUSY
;******************** REJECT_LOCAL_BUSY (15) ***********************
[[State]]
Name = REJECT_LOCAL_BUSY
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS | ENTER_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0; TTi; IT1; P_Ct=N2; Vp=Vs; Stop Send_Proc; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SEND_I_POLL
Predicate =
Action = RT1; P_Ct=N2; Vp=Vs; Is_Ct--
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; RT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = IT1; P_Ct=N2; Stop Send_Proc; Vp=Vs; [RNR_c](1)
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = T1_Expired
Predicate = Is_Ct>0
Action = IT1; P_Ct=N2; Stop Send_Proc; Vp=Vs; [RNR_c](1)
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = T1_Expired
Predicate = Is_Ct<=0
Action = TT2; P_Ct=N2; IT1; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; RTi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0|IS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](0)
NewState = LOCAL_BUSY
[Transition]
Input = IS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](1)
NewState = LOCAL_BUSY
[Transition]
Input = OS_I_c0|OS_I_r0|OS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld
NewState =
[Transition]
Input = OS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = REJ_c0 | REJ_r0 | REJ_r1
Predicate =
Action = Resend Packets, Update_Va;
NewState =
[Transition]
Input = REJ_c1
Predicate =
Action = Resend Packets, Update_Va; [RNR_r](1)
NewState =
[Transition]
Input = RNR_c0|RNR_r0|RNR_r1
Predicate =
Action = INDICATE_REMOTE_BUSY; Update_Va; Vb=LRb; Is_Ct=N2; \
Stop Send_Proc
NewState = REJECT_LOCAL_REMOTE_BUSY
[Transition]
Input = RNR_c1
Predicate =
Action = INDICATE_REMOTE_BUSY; Update_Va; Vb=LRb; Is_Ct=N2; \
Stop Send_Proc; [RNR_r](1)
NewState = REJECT_LOCAL_REMOTE_BUSY
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate =
Action = Update_Va
NewState =
[Transition]
Input = RR_c1
Predicate =
Action = Update_Va; [RNR_r](1)
NewState =
;***************** REJECTION + REMOTE_BUSY (16) ******************
[[State]]
Name = REJECT_REMOTE_BUSY
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=LRb; [RNR_r](0)
NewState = REJECT_LOCAL_REMOTE_BUSY
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; RT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = IT1; P_Ct=N2; Vp=Vs; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = T1_Expired
Predicate = Is_Ct>0
Action = IT1; P_Ct=N2; Vp=Vs; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = T1_Expired
Predicate = Is_Ct<=0
Action = TT2; P_Ct=N2; IT1; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; RTi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0|IS_I_r1
Predicate =
Action = Update_Va; Rcv_BTU; [Send_ACK]
NewState = REMOTE_BUSY
[Transition]
Input = IS_I_c1
Predicate =
Action = Update_Va; Rcv_BTU; [RR_r](1)
NewState = REMOTE_BUSY
[Transition]
Input = OS_I_c0|OS_I_r0|OS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld
NewState =
[Transition]
Input = OS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RR_r](1)
NewState =
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr == Vs
Action = Update_Va
NewState =
[Transition]
Input = REJ_c0 | REJ_r
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=0; Resend Packets, Update_Va;\
Is_Ct--; Start Send_Proc
NewState = REJECTION
[Transition]
Input = REJ_c1
Predicate = Nr == Vs
Action = Update_Va; TT2; [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=0; Resend Packets, Update_Va;\
Is_Ct--; Start Send_Proc; [RR_r](1)
NewState = REJECTION
[Transition]
Input = RNR_c0|RNR_r0|RNR_r1
Predicate =
Action = Update_Va
NewState =
[Transition]
Input = RNR_c1
Predicate =
Action = Update_Va; [RR_r](1)
NewState =
[Transition]
Input = RR_c1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=0; RT1; Update_Va, Send_RR_c(1);\
[RR_r](1)
NewState = CHKP_REJECT
[Transition]
Input = RR_c1
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; Start Send_Proc; \
[RR_r](1)
NewState = REJECTION
[Transition]
Input = RR_c0|RR_r
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; RT1; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = RR_c0|RR_r
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=0; Update_Va; Start Send_Proc
NewState = REJECTION
;************* CHECKPOINTING + REJECTION LOCAL_BUSY (17) *****************
[[State]]
Name = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS | ENTER_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate = Vb==Lb
Action = Vb=0; [RR_r](0)
NewState = CHKP_REJECT_CLEARING
[Transition]
Input = EXIT_LCL_Busy
Predicate = Vb==LRb
Action = Vb=Rb; [RR_r](0)
NewState = CHKP_REJECT_CLEARING
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc==0
Action = Vc=DISCp
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc!=0
Action = Logical Error
NewState =
[Transition]
Input = Ti_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = T1_Expired
Predicate = P_Ct==0
Action = INDICATE_LINK_LOST; ITi
NewState = DISCONNECTED
[Transition]
Input = T1_Expired
Predicate = P_Ct!=0
Action = IT1; P_Ct--; Vp=Vs; Stop Send_Proc; [RNR_c](1)
NewState =
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; ITi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; ITi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va == Nr
Action = Dsc_I-fld; [RNR_r](0)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [RNR_r](0)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = IS_I_c1
Predicate = Va == Nr
Action = Dsc_I-fld; [RNR_r](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = IS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [RNR_r](1)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = IS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Dsc_I-fld; Start Send_Proc; [RNR_r](0)
NewState = LOCAL_BUSY
[Transition]
Input = IS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va == Nr
Action = Dsc_I-fld
NewState =
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2
NewState =
[Transition]
Input = OS_I_c1
Predicate = Va == Nr
Action = Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = OS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = OS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Dsc_I-fld; Start Send_Proc
NewState = REJECT_LOCAL_BUSY
[Transition]
Input = OS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = REJ_c0 | REJ_r0
Predicate = Va != Nr
Action = Resend Packets
NewState =
[Transition]
Input = REJ_c1
Predicate = Va == Nr
Action = [RNR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Va != Nr
Action = Resend Packets; [RNR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Vc == 0
Action = Update_Va_Chkpt; Vs=Nr; Start Send_Proc
NewState = REJECT_LOCAL_BUSY
[Transition]
Input = REJ_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va == Nr
Action = Vb=LRb; Is_Ct=N2
NewState =
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Vb=LRb; Is_Ct=N2
NewState =
[Transition]
Input = RNR_c1
Predicate = Va == Nr
Action = Vb=LRb; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = RNR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Vb=LRb; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = RNR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Vb=LRb; Is_Ct=N2
NewState = REJECT_LOCAL_REMOTE_BUSY
[Transition]
Input = RNR_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Vb=Rb; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va == Nr
Action = ;
NewState =
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va != Nr
Action = Adjust_Ww
NewState =
[Transition]
Input = RR_c1
Predicate = Va == Nr
Action = [RNR_r](1)
NewState =
[Transition]
Input = RR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; [RNR_r](1)
NewState =
[Transition]
Input = RR_r1
Predicate = Vc==0
Action = INDICATE_REMOTE_READY; Update_Va_Chkpt; Start Send_Proc
NewState = REJECT_LOCAL_BUSY
[Transition]
Input = RR_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
;***************** CHECKPOINTING + CLEARING(18) ******************
[[State]]
Name = CHKP_CLEARING
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb; [RNR_r](0)
NewState = CHKP_LOCAL_BUSY
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc==0
Action = Vc=DISCp
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc!=0
Action = Logical Error
NewState =
[Transition]
Input = Ti_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = T1_Expired
Predicate = P_Ct==0
Action = INDICATE_LINK_LOST; ITi
NewState = DISCONNECTED
[Transition]
Input = T1_Expired
Predicate = P_Ct!=0
Action = IT1; P_Ct--; Vp=Vs; Stop Send_Proc; [RR_c](1)
NewState =
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; ITi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; ITi
NewState = RESETTING
[Transition]
Input = UA
Predicate = Vi!=ISp
Action = INDICATE_FRMR_SENT; TT1; ITi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = UA
Predicate = Vi==ISp
Action = Ignore_LPDU
NewState =
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va == Nr
Action = Rcv_BTU; [Send_ACK]
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Rcv_BTU; Is_Ct=N2; [Send_ACK]
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c1
Predicate = Va == Nr
Action = Rcv_BTU; [RR_r](1)
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Rcv_BTU; Is_Ct=N2; [RR_r](1)
NewState = CHECKPOINTING
[Transition]
Input = IS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Rcv_BTU; Start Send_Proc; [Send_ACK]
NewState = LINK_OPENED
[Transition]
Input = IS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va == Nr
Action = Dsc_I-fld; [REJ_r](0)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [REJ_r](0)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c1
Predicate = Va == Nr
Action = Dsc_I-fld; [REJ_r](1)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [REJ_r](1)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Dsc_I-fld; Start Send_Proc; [REJ_r](0)
NewState = REJECTION
[Transition]
Input = OS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, TTi, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = REJ_c0 | REJ_r0
Predicate = Va != Nr
Action = Is_Ct=N2; Resend Packets
NewState =
[Transition]
Input = REJ_c1
Predicate = Va == Nr
Action = [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Va != Nr
Action = Resend Packets; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = REJ_r1
Predicate = Vc==0
Action = Update_Va_Chkpt, RT1; Vp=Nr; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va == Nr
Action = Vb=Rb
NewState =
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; Vb=Rb
NewState =
[Transition]
Input = RNR_c1
Predicate = Va == Nr
Action = Vb=Rb; [RR_r](1)
NewState =
[Transition]
Input = RNR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Vb=Rb; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = RNR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt, RT1; Vp=Vs; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va == Nr
Action = ;
NewState =
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2
NewState =
[Transition]
Input = RR_c1
Predicate = Va == Nr
Action = [RR_r](1)
NewState =
[Transition]
Input = RR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = RR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt, RT1; Vp=Vs; [RR_c](1)
NewState = CHECKPOINTING
[Transition]
Input = REJ_r1|RNR_r1|RR_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
;***************** CHECKPOINTING + REJECTION + CLEARING(19) **************
[[State]]
Name = CHKP_REJECT_CLEARING
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb; [RNR_r](0)
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc==0
Action = Vc=DISCp
NewState =
[Transition]
Input = SET_ADM
Predicate = Vc!=0
Action = Logical Error
NewState =
[Transition]
Input = Ti_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = T1_Expired
Predicate = P_Ct==0
Action = INDICATE_LINK_LOST; ITi
NewState = DISCONNECTED
[Transition]
Input = T1_Expired
Predicate = P_Ct!=0
Action = IT1; P_Ct--; Vp=Vs; Stop Send_Proc; [RR_c](1)
NewState =
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; ITi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; ITi; P_Ct=N2
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; ITi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; ITi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va == Nr
Action = Rcv_BTU; [Send_ACK]
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c0|IS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Rcv_BTU; Is_Ct=N2; [Send_ACK]
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c1
Predicate = Va == Nr
Action = Rcv_BTU; [RR_r](1)
NewState = CHECKPOINTING
[Transition]
Input = IS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Rcv_BTU; Is_Ct=N2; [RR_r](1)
NewState = CHECKPOINTING
[Transition]
Input = IS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Rcv_BTU; Start Send_Proc; [Send_ACK]
NewState = LINK_OPENED
[Transition]
Input = IS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va == Nr
Action = Dsc_I-fld
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c0|OS_I_r0
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c1
Predicate = Va == Nr
Action = Dsc_I-fld; [RR_r](1)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_c1
Predicate = Va != Nr
Action = Adjust_Ww; Dsc_I-fld; Is_Ct=N2; [RR_r](1)
NewState = CHKP_REJECT
[Transition]
Input = OS_I_r1
Predicate = Vc==0
Action = Update_Va_Chkpt; Dsc_I-fld; Start Send_Proc
NewState = REJECTION
[Transition]
Input = OS_I_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Dsc_I-fld; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = REJ_c0 | REJ_r0
Predicate = Va != Nr
Action = Resend Packets; Is_Ct=N2
NewState =
[Transition]
Input = REJ_c1
Predicate = Va == Nr
Action = [RR_r](1)
NewState =
[Transition]
Input = REJ_c1
Predicate = Va != Nr
Action = Resend Packets; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = REJ_r1
Predicate = Vc==0
Action = Update_Va_Chkpt, RT1, Vp=Nr; Is_Ct--; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va == Nr
Action = Vb=Rb
NewState =
[Transition]
Input = RNR_c0 | RNR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; Vb=Rb
NewState =
[Transition]
Input = RNR_c1
Predicate = Va == Nr
Action = Vb=Rb; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = RNR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; Vb=Rb; [RR_r](1)
NewState =
[Transition]
Input = RNR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt, RT1, Vp=Vs; Is_Ct=N2; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va == Nr
Action = ;
NewState =
[Transition]
Input = RR_c0 | RR_r0
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2
NewState =
[Transition]
Input = RR_c1
Predicate = Va == Nr
Action = [RR_r](1)
NewState =
[Transition]
Input = RR_c1
Predicate = Va != Nr
Action = Adjust_Ww; Is_Ct=N2; [RR_r](1)
NewState =
[Transition]
Input = RR_r1
Predicate = Vc==0
Action = Update_Va_Chkpt, RT1, Vp=Vs; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = REJ_r1|RNR_r1|RR_r1
Predicate = Vc==DISCp
Action = Update_Va_Chkpt, RT1; Vc=0; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
;***************** REJECTION+LOCAL_BUSY+REMOTE_BUSY (20) ******************
[[State]]
Name = REJECT_LOCAL_REMOTE_BUSY
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS | ENTER_LCL_Busy
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=Rb; TTi; IT1; P_Ct=N2; Vp=Vs; [RR_c](1)
NewState = CHKP_REJECT
[Transition]
Input = LPDU_INVALID_r | LPDU_INVALID_c0
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = LPDU_INVALID_c1
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; VWXYZ=0x01; [FRMR](1)
NewState = FRMR_SENT
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = [Queue_I_LPDU]
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; RT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate =
Action = IT1; P_Ct=N2; Vp=Vs; [RNR_c](1)
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = T1_Expired
Predicate = Is_Ct>0
Action = IT1; P_Ct=N2; Vp=Vs; [RNR_c](1)
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = T1_Expired
Predicate = Is_Ct<=0
Action = P_Ct=N2; IT1; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_DM_DISC_RECEIVED; TT1; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED; TT1; RTi
NewState = FRMR_RECEIVED
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; TT1; RTi
NewState = RESETTING
[Transition]
Input = UA
Predicate =
Action = INDICATE_FRMR_SENT; TT1; RTi; [FRMR](0)
NewState = FRMR_SENT
[Transition]
Input = IS_I_c0|IS_I_r0|IS_I_r1
Predicate =
Action = INDICATE_REMOTE_READY; Update_Va; Dsc_I-fld; [RNR_r](0)
NewState = LOCAL_REMOTE_BUSY
[Transition]
Input = IS_I_c1
Predicate =
Action = INDICATE_REMOTE_READY; Update_Va; Dsc_I-fld; [RNR_r](1)
NewState = LOCAL_REMOTE_BUSY
[Transition]
Input = OS_I_c0|OS_I_r0|OS_I_r1
Predicate =
Action = Update_Va; Dsc_I-fld
NewState =
[Transition]
Input = OS_I_c1
Predicate =
Action = Update_Va; Dsc_I-fld; [RNR_r](1)
NewState =
[Transition]
Input = REJ_c0 | REJ_r0 | REJ_r1
Predicate =
Action = INDICATE_REMOTE_READY; Resend Packets, Update_Va;\
Is_Ct--; Vb=Lb; Start Send_Proc
NewState = REJECT_LOCAL_BUSY
[Transition]
Input = REJ_c1
Predicate =
Action = INDICATE_REMOTE_READY; Resend Packets, Update_Va;\
Is_Ct--; Vb=Lb; Start Send_Proc; [RNR_r](1)
NewState = REJECT_LOCAL_BUSY
[Transition]
Input = RNR_c0|RNR_r0|RNR_r1
Predicate =
Action = Update_Va
NewState = REJECT_LOCAL_BUSY
[Transition]
Input = RNR_c1
Predicate =
Action = Update_Va; [RNR_r](1)
NewState = REJECT_LOCAL_REMOTE_BUSY
[Transition]
Input = RR_c1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; RT1; Update_Va, \
Send_RNR_c(1); [RNR_r](1)
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = RR_c1
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; Update_Va; [RNR_r](1)
NewState = REJECT_LOCAL_BUSY
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate = Nr != Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; Update_Va; [RNR_c](1)
NewState = CHKP_REJECT_LOCAL_BUSY
[Transition]
Input = RR_c0|RR_r0|RR_r1
Predicate = Nr == Vs
Action = INDICATE_REMOTE_READY; Vb=Lb; Update_Va
NewState = REJECT_LOCAL_BUSY
;******************** FRMR_RECEIVED (21) ***********************
[[State]]
Name = FRMR_RECEIVED
[Transition]
Input = ACTIVATE_LS | DEACTIVATE_LS
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = ENTER_LCL_Busy
Predicate =
Action = Vb=Lb
NewState =
[Transition]
Input = EXIT_LCL_Busy
Predicate =
Action = Vb=0
NewState =
[Transition]
Input = LPDU_INVALID
Predicate =
Action = Ignore_LPDU
NewState =
; [Transition]
; Input = SEND_BTU
; Predicate =
; Action = Logical Error
; NewState =
[Transition]
Input = SET_ABME
Predicate =
Action = Vi=LIp; TTi; IT1; P_Ct=N2; [SABME](1)
NewState = LINK_OPENING
[Transition]
Input = SET_ADM
Predicate =
Action = TTi; IT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = Ti_Expired
Predicate = P_Ct!=0
Action = ITi; P_Ct--
NewState =
[Transition]
Input = Ti_Expired
Predicate = P_Ct==0
Action = INDICATE_TI_TIMER_EXPIRED; IT1; P_Ct=N2; [DISC](1)
NewState = DISCONNECTING
[Transition]
Input = T1_Expired|T2_Expired
Predicate =
Action = Logical Error
NewState =
[Transition]
Input = DISC0|DISC1
Predicate =
Action = INDICATE_TI_TIMER_EXPIRED; RTi; [UA](P)
NewState = DISCONNECTED
[Transition]
Input = DM0|DM1
Predicate =
Action = INDICATE_TI_TIMER_EXPIRED; RTi
NewState = DISCONNECTED
[Transition]
Input = FRMR
Predicate =
Action = INDICATE_FRMR_RECEIVED
NewState =
[Transition]
Input = SABME
Predicate =
Action = INDICATE_RESET; Vi=RIp; Pf=P; RTi
NewState = RESETTING
[Transition]
Input = I_c|I_r
Predicate =
Action = Ignore_LPDU
NewState =
[Transition]
Input = REJ|RNR|RR
Predicate =
Action = Ignore_LPDU
NewState =