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/*****************************************************************************
** Copyright (c) 1995 Microsoft Corporation** File: irlmp.h** Description: IRLMP Protocol and control block definitions** Author: mbert** Date: 6/12/95**/
#define IRLMP_MAX_TX_MSG_LIST_LEN 8
#define LSAP_RESPONSE_TIMEOUT 7000
// This is the time that:
// (1) the IRLMP client has to respond to an IRLMP_CONNECT_IND, or
// (2) the peer LSAP has to respond to an IRLMP LM-Connect request PDU, or
// (3) the peer LSAP has to respond to an LM-Access request PDU
// On expiration:
// (1) send peer LSAP an IRLMP LM-Disconnect indication PDU. Or
// (2) notify IRLMP client with a IRLMP_DISCONNECT_IND
// (3) notify IRLMP client with a IRLMP_ACCESSMODE_CONF
#define IRLMP_DISCONNECT_DELAY_TIMEOUT 2000
// When the final LSAP-LSAP connection is terminated, wait before
// disconnecting link in case another LSAP connection is made.
// This is primarily used when the remote connects to the IAS
// and then disconnects followed by a new LSAP connection.
#define IRLMP_NOT_SEEN_THRESHOLD 3 // The number of times that a device
// is not seen in a discovery before
// it is removed from the aged list
// maintained by IRLMP
typedef struct IAS_Attribute{ struct IAS_Attribute *pNext; CHAR *pAttribName; void *pAttribVal; int AttribValLen; int CharSet; UCHAR AttribValType;} IAS_ATTRIBUTE, *PIAS_ATTRIBUTE;
typedef struct IAS_Object{ LIST_ENTRY Linkage; CHAR *pClassName; IAS_ATTRIBUTE *pAttributes; UINT ObjectId;} IAS_OBJECT, *PIAS_OBJECT;
typedef struct{ LIST_ENTRY Linkage; int Lsap; UINT Flags; // see IRLMP_LSAP_CB.Flags
} IRLMP_REGISTERED_LSAP, *PIRLMP_REGISTERED_LSAP;
// IRLMP Control Block
typedef enum{ LSAP_CREATED, LSAP_DISCONNECTED, LSAP_IRLAP_CONN_PEND, // waiting for IRLAP_CONNECT_CONF from IRLAP
LSAP_LMCONN_CONF_PEND, // waiting for IRLMP Conn conf PDU from peer
LSAP_CONN_RESP_PEND, // waiting for IRLMP_CONNECT_RESP from client
LSAP_CONN_REQ_PEND, // Got IRLMP_CONNECT_REQ when link is either
// in discovery or disconnecting
LSAP_EXCLUSIVEMODE_PEND, // Pending response from peer
LSAP_MULTIPLEXEDMODE_PEND, // Pending response from peer
LSAP_READY, // CONNECTED STATES SHOULD ALWAYS FOLLOW THIS
LSAP_NO_TX_CREDIT // IRLMP_DATA_REQ with no transmit credit
} IRLMP_LSAP_STATE;
typedef enum{ LINK_DOWN, LINK_DISCONNECTED, LINK_DISCONNECTING, // Sent IRLAP_DISCONNECT_REQ, waiting for IND
LINK_IN_DISCOVERY, // Sent IRLAP_DISCOVERY_REQ, waiting for CONF
LINK_CONNECTING, // Sent IRLAP_CONNECT_REQ, waiting for CONF
LINK_READY // Received CONF
} IRLMP_LINK_STATE;
#define LSAPSIG 0xEEEEAAAA
#define VALIDLSAP(l) ASSERT(l->Sig == LSAPSIG)
typedef struct{ LIST_ENTRY Linkage; struct IrlmpLinkCb *pIrlmpCb; IRLMP_LSAP_STATE State;#ifdef DBG
int Sig;#endif
int UserDataLen; int LocalLsapSel; int RemoteLsapSel; int AvailableCredit; // additional credit that
// can be advanced to remote
int LocalTxCredit; // credit for transmitting
int RemoteTxCredit; // what remote has for txing
LIST_ENTRY TxMsgList; // messages from client waiting
// for ack
LIST_ENTRY SegTxMsgList; // above messages that have been
// segmented, but not sent because
// there is no credit available
int TxMaxSDUSize; int RxMaxSDUSize; IRLMP_DISC_REASON DiscReason; IRDA_TIMER ResponseTimer; PVOID TdiContext; REF_CNT RefCnt; UINT Flags; #define LCBF_USE_TTP 1
#define LCBF_TDI_OPEN 2
UCHAR UserData[IRLMP_MAX_USER_DATA_LEN];} IRLMP_LSAP_CB, *PIRLMP_LSAP_CB;
typedef struct IrlmpLinkCb{ LIST_ENTRY LsapCbList; PIRDA_LINK_CB pIrdaLinkCb; IRLMP_LINK_STATE LinkState; UCHAR ConnDevAddr[IRDA_DEV_ADDR_LEN]; IRDA_QOS_PARMS RequestedQOS; IRDA_QOS_PARMS NegotiatedQOS; int MaxSlot; int MaxPDUSize; int WindowSize; IRDA_TIMER DiscDelayTimer; IRLMP_LSAP_CB *pExclLsapCb; // pointer to LSAP_CB that has
// link in exclusive mode
IAS_QUERY *pIasQuery; UINT AttribLen; UINT AttribLenWritten; int QueryListLen; UCHAR IasQueryDevAddr[IRDA_DEV_ADDR_LEN]; int IasRetryCnt; PVOID hAttribDeviceName; PVOID hAttribIrlmpSupport; LIST_ENTRY DeviceList; UINT DiscoveryFlags; #define DF_NORMAL_DSCV 1
#define DF_NO_SENSE_DSCV 2
BOOLEAN ConnDevAddrSet; BOOLEAN ConnReqScheduled; BOOLEAN FirstIasRespReceived; BOOLEAN AcceptConnection;} IRLMP_LINK_CB, *PIRLMP_LINK_CB;
// IRLMP-PDU types (CntlBit)
#define IRLMP_CNTL_PDU 1
#define IRLMP_DATA_PDU 0
typedef struct{ UCHAR DstLsapSel:7; UCHAR CntlBit:1; UCHAR SrcLsapSel:7; UCHAR RsvrdBit:1;} IRLMP_HEADER;
// Control IRLMP-PDU types (OpCode)
#define IRLMP_CONNECT_PDU 1
#define IRLMP_DISCONNECT_PDU 2
#define IRLMP_ACCESSMODE_PDU 3
// A Bit
#define IRLMP_ABIT_REQUEST 0
#define IRLMP_ABIT_CONFIRM 1
// Status
#define IRLMP_RSVD_PARM 0x00
#define IRLMP_STATUS_SUCCESS 0x00
#define IRLMP_STATUS_FAILURE 0x01
#define IRLMP_STATUS_UNSUPPORTED 0xFF
typedef struct{ UCHAR OpCode:7; UCHAR ABit:1; UCHAR Parm1; UCHAR Parm2;} IRLMP_CNTL_FORMAT;
// Tiny TP!
#define TTP_PFLAG_NO_PARMS 0
#define TTP_PFLAG_PARMS 1
#define TTP_MBIT_NOT_FINAL 1
#define TTP_MBIT_FINAL 0
typedef struct{ UCHAR InitialCredit:7; UCHAR ParmFlag:1;} TTP_CONN_HEADER;
typedef struct{ UCHAR AdditionalCredit:7; UCHAR MoreBit:1;} TTP_DATA_HEADER;
#define TTP_MAX_SDU_SIZE_PI 1
#define TTP_MAX_SDU_SIZE_PL 4 // I'm hardcoding this. Seems unecessary
// to make it variable. I will handle
// receiving varialbe sized however
typedef struct{ UCHAR PLen; UCHAR PI; UCHAR PL; UCHAR PV[TTP_MAX_SDU_SIZE_PL];} TTP_CONN_PARM;
// IAS
#define IAS_SUCCESS 0
#define IAS_NO_SUCH_OBJECT 1
#define IAS_NO_SUCH_ATTRIB 2
#define IAS_MSGBUF_LEN 50
#define IAS_LSAP_SEL 0
#define IAS_LOCAL_LSAP_SEL 3
#define IAS_IRLMP_VERSION 1
#define IAS_SUPPORT_BIT_FIELD 0 // No other IAS support
#define IAS_LMMUX_SUPPORT_BIT_FIELD 1 // Exclusive mode only
typedef struct{ UCHAR OpCode:6; UCHAR Ack:1; UCHAR Last:1;} IAS_CONTROL_FIELD;
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