/********************************************************************/ /** Microsoft LAN Manager **/ /** Copyright(c) Microsoft Corp., 1990-2000 **/ /********************************************************************/ /* :ts=4 */ //** ADDR.H - TDI address object definitions. // // This file contains the definitions of TDI address objects and related // constants and structures. #include "tcp.h" #include #define ao_signature 0x20204F41 // 'AO ' #define WILDCARD_PORT 0 // 0 means assign a port. #define MIN_USER_PORT 1025 // Minimum value for a wildcard port #define NUM_USER_PORTS (uint)(MaxUserPort - MIN_USER_PORT + 1) #define NETBT_SESSION_PORT 139 typedef struct AddrObj AddrObj; #define IS_PROMIS_AO(A) ((A)->ao_rcvall || (A)->ao_rcvall_mcast || (A)->ao_absorb_rtralert) //* Datagram transport-specific send function. typedef void (*DGSendProc)(AddrObj *SrcAO, void *SendReq); //* Definition of the structure of an address object. Each object represents // a local address, and the IP portion may be a wildcard. typedef struct AddrObj { #if DBG ulong ao_sig; #endif struct AddrObj *ao_next; // Pointer to next address object in chain. DEFINE_LOCK_STRUCTURE(ao_lock) // Lock for this object. struct AORequest *ao_request; // Pointer to pending request. Queue ao_sendq; // Queue of sends waiting for transmission. Queue ao_pendq; // Linkage for pending queue. Queue ao_rcvq; // Receive queue. ulong ao_flags; // Flags for this object. uint ao_listencnt; // Number of listening connections. IPAddr ao_addr; // IP address for this address object. ushort ao_port; // Local port for this address object. uchar ao_prot; // Protocol for this AO. uchar ConnLimitReached;// set when there are no connections left ushort ao_usecnt; // Count of 'uses' on AO. ushort ao_maxdgsize; // maximum user datagram size. uchar ao_mcast_loop; // MCast loop allowed/denied flag. uchar ao_rcvall; // rcv all packets or not (3 bits) uchar ao_rcvall_mcast;// rcv all mcast packets or not (3 bits) uchar ao_absorb_rtralert; IPOptInfo ao_opt; // Opt info for this address object. IPOptInfo ao_mcastopt; // MCast opt info. IPAddr ao_mcastaddr; // Source address for MCast from this addr object. Queue ao_activeq; // Queue of active connections. Queue ao_idleq; // Queue of inactive (no TCB) connections. Queue ao_listenq; // Queue of listening connections. CTEEvent ao_event; // Event to use for this AO. PConnectEvent ao_connect; // Connect event handle. PVOID ao_conncontext; // Receive DG context. PDisconnectEvent ao_disconnect; // Disconnect event routine. PVOID ao_disconncontext;// Disconnect event context. PErrorEvent ao_error; // Error event routine. PVOID ao_errcontext; // Error event context. PRcvEvent ao_rcv; // Receive event handler PVOID ao_rcvcontext; // Receive context. PRcvDGEvent ao_rcvdg; // Receive DG event handler PVOID ao_rcvdgcontext;// Receive DG context. PRcvExpEvent ao_exprcv; // Expedited receive event handler PVOID ao_exprcvcontext;// Expedited receive context. struct AOMCastAddr *ao_mcastlist; // List of active multicast // addresses. DGSendProc ao_dgsend; // Datagram transport send function. PErrorEx ao_errorex; // Error event routine. PVOID ao_errorexcontext; // Error event context. PChainedRcvEvent ao_chainedrcv; // Chained Receive event handler PVOID ao_chainedrcvcontext; // Chained Receive context. TDI_CONNECTION_INFORMATION ao_udpconn; PVOID ao_RemoteAddress; PVOID ao_Options; RouteCacheEntry *ao_rce; CLASSIFICATION_HANDLE ao_GPCHandle; ULONG ao_GPCCachedIF; ULONG ao_GPCCachedLink; struct RouteTableEntry *ao_GPCCachedRTE; IPAddr ao_rcesrc; IPAddr ao_destaddr; ushort ao_destport; ulong ao_promis_ifindex; ulong ao_bindindex; // interface socket is bound to uint* ao_iflist; ulong ao_owningpid; } AddrObj; #define AO_RAW_FLAG 0x0200 // AO is for a raw endpoint. #define AO_DHCP_FLAG 0x0100 // AO is bound to real 0 address. #define AO_VALID_FLAG 0x0080 // AddrObj is valid. #define AO_BUSY_FLAG 0x0040 // AddrObj is busy (i.e., has it exclusive). #define AO_OOR_FLAG 0x0020 // AddrObj is out of resources, and on // either the pending or delayed queue. #define AO_QUEUED_FLAG 0x0010 // AddrObj is on the pending queue. #define AO_XSUM_FLAG 0x0008 // Xsums are used on this AO. #define AO_SEND_FLAG 0x0004 // Send is pending. #define AO_OPTIONS_FLAG 0x0002 // Options pending. #define AO_DELETE_FLAG 0x0001 // Delete pending. #define AO_BROADCAST_FLAG 0x400 // Broadcast enable flag #define AO_CONNUDP_FLAG 0x800 // Connected udp #define AO_SHARE_FLAG 0x1000 // AddrObj can be shared #define AO_PKTINFO_FLAG 0x2000 // Packet info structure passed up in // control info. #define AO_DEFERRED_FLAG 0x4000 // Deferred processing has been // scheduled #define AO_VALID(A) ((A)->ao_flags & AO_VALID_FLAG) #define SET_AO_INVALID(A) (A)->ao_flags &= ~AO_VALID_FLAG #define AO_BUSY(A) ((A)->ao_flags & AO_BUSY_FLAG) #define SET_AO_BUSY(A) (A)->ao_flags |= AO_BUSY_FLAG #define CLEAR_AO_BUSY(A) (A)->ao_flags &= ~AO_BUSY_FLAG #define AO_OOR(A) ((A)->ao_flags & AO_OOR_FLAG) #define SET_AO_OOR(A) (A)->ao_flags |= AO_OOR_FLAG #define CLEAR_AO_OOR(A) (A)->ao_flags &= ~AO_OOR_FLAG #define AO_QUEUED(A) ((A)->ao_flags & AO_QUEUED_FLAG) #define SET_AO_QUEUED(A) (A)->ao_flags |= AO_QUEUED_FLAG #define CLEAR_AO_QUEUED(A) (A)->ao_flags &= ~AO_QUEUED_FLAG #define AO_XSUM(A) ((A)->ao_flags & AO_XSUM_FLAG) #define SET_AO_XSUM(A) (A)->ao_flags |= AO_XSUM_FLAG #define CLEAR_AO_XSUM(A) (A)->ao_flags &= ~AO_XSUM_FLAG #define AO_REQUEST(A, f) ((A)->ao_flags & f##_FLAG) #define SET_AO_REQUEST(A, f) (A)->ao_flags |= f##_FLAG #define CLEAR_AO_REQUEST(A, f) (A)->ao_flags &= ~f##_FLAG #define AO_PENDING(A) ((A)->ao_flags & (AO_DELETE_FLAG | AO_OPTIONS_FLAG | AO_SEND_FLAG)) #define AO_BROADCAST(A) ((A)->ao_flags & AO_BROADCAST_FLAG) #define SET_AO_BROADCAST(A) (A)->ao_flags |= AO_BROADCAST_FLAG #define CLEAR_AO_BROADCAST(A) (A)->ao_flags &= ~AO_BROADCAST_FLAG #define AO_CONNUDP(A) ((A)->ao_flags & AO_CONNUDP_FLAG) #define SET_AO_CONNUDP(A) (A)->ao_flags |= AO_CONNUDP_FLAG #define CLEAR_AO_CONNUDP(A) (A)->ao_flags &= ~AO_CONNUDP_FLAG #define AO_SHARE(A) ((A)->ao_flags & AO_SHARE_FLAG) #define SET_AO_SHARE(A) (A)->ao_flags |= AO_SHARE_FLAG #define CLEAR_AO_SHARE(A) (A)->ao_flags &= ~AO_SHARE_FLAG #define AO_PKTINFO(A) ((A)->ao_flags & AO_PKTINFO_FLAG) #define SET_AO_PKTINFO(A) (A)->ao_flags |= AO_PKTINFO_FLAG #define CLEAR_AO_PKTINFO(A) (A)->ao_flags &= ~AO_PKTINFO_FLAG #define AO_DEFERRED(A) ((A)->ao_flags & AO_DEFERRED_FLAG) #define SET_AO_DEFERRED(A) (A)->ao_flags |= AO_DEFERRED_FLAG #define CLEAR_AO_DEFERRED(A) (A)->ao_flags &= ~AO_DEFERRED_FLAG //* Definition of an address object search context. This is a data structure used // when the address object table is to be read sequentially. struct AOSearchContext { AddrObj *asc_previous; // Previous AO found. IPAddr asc_addr; // IPAddress to be found. ushort asc_port; // Port to be found. uchar asc_prot; // Protocol uchar asc_pad; // Pad to dword boundary. }; /* AOSearchContext */ //* Definition of an address object search context. This is a data structure used // when the address object table is to be read sequentially. Used for RAW only struct AOSearchContextEx { AddrObj *asc_previous; // Previous AO found. IPAddr asc_addr; // IPAddress to be found. ushort asc_port; // Port to be found. uint asc_ifindex; // ifindex the packet came on uchar asc_prot; // Protocol uchar asc_pad; // Pad to dword boundary. uint asc_previousindex; // Previous AO's index }; /* AOSearchContextEx */ typedef struct AOSearchContext AOSearchContext; typedef struct AOSearchContextEx AOSearchContextEx; //* Definition of an AO request structure. There structures are used only for // queuing delete and option set requests. typedef struct AOMCastAddr { struct AOMCastAddr *ama_next; // Next in list. IPAddr ama_addr; // The address. IPAddr ama_if; // The "interface" requested. IPAddr ama_if_used; // The actual ifaddr used. BOOLEAN ama_flags; // Flags. BOOLEAN ama_inclusion; // Inclusion or exclusion mode? ulong ama_srccount; // Number of entries in srclist struct AOMCastSrcAddr *ama_srclist;// List of active sources. } AOMCastAddr; #define AMA_VALID_FLAG 0x01 #define AMA_VALID(A) ((A)->ama_flags & AMA_VALID_FLAG) #define SET_AMA_INVALID(A) (A)->ama_flags &= ~AMA_VALID_FLAG typedef struct AOMCastSrcAddr { struct AOMCastSrcAddr *asa_next; // Next in list. IPAddr asa_addr; // The address. } AOMCastSrcAddr; //* External declarations for exported functions. extern CACHE_LINE_KSPIN_LOCK AddrObjTableLock; extern uint AddrObjTableSize; extern AddrObj **AddrObjTable; extern AddrObj *GetAddrObj(IPAddr LocalAddr, ushort LocalPort, uchar Prot, AddrObj *PreviousAO, BOOLEAN CheckIfList); extern AddrObj *GetNextAddrObj(AOSearchContext *SearchContext); extern AddrObj *GetNextBestAddrObj(IPAddr LocalAddr, ushort LocalPort, uchar Prot, AddrObj *PreviousAO, BOOLEAN CheckIfList); extern AddrObj *GetFirstAddrObj(IPAddr LocalAddr, ushort LocalPort, uchar Prot, AOSearchContext *SearchContext); extern AddrObj *GetAddrObjEx(IPAddr LocalAddr, ushort LocalPort, uchar Protocol, uint IfIndex, AddrObj *PreviousAO, uint PreviousIndex, uint *CurrentIndex); extern AddrObj *GetNextAddrObjEx(AOSearchContextEx *SearchContext); extern AddrObj *GetFirstAddrObjEx(IPAddr LocalAddr, ushort LocalPort, uchar Prot, uint IfIndex, AOSearchContextEx *SearchContext); extern TDI_STATUS TdiOpenAddress(PTDI_REQUEST Request, TRANSPORT_ADDRESS UNALIGNED *AddrList, uint Protocol, void *Reuse); extern TDI_STATUS TdiCloseAddress(PTDI_REQUEST Request); extern TDI_STATUS SetAddrOptions(PTDI_REQUEST Request, uint ID, uint OptLength, void *Options); extern TDI_STATUS GetAddrOptionsEx(PTDI_REQUEST Request, uint ID, uint OptLength, PNDIS_BUFFER Options, uint *InfoSize, void *Context); extern TDI_STATUS TdiSetEvent(PVOID Handle, int Type, PVOID Handler, PVOID Context); extern uchar GetAddress(TRANSPORT_ADDRESS UNALIGNED *AddrList, IPAddr *Addr, ushort *Port); extern int InitAddr(void); extern void ProcessAORequests(AddrObj *RequestAO); extern void DelayDerefAO(AddrObj *RequestAO); extern void DerefAO(AddrObj *RequestAO); extern void FreeAORequest(AORequest *FreedRequest); extern uint ValidateAOContext(void *Context, uint *Valid); extern uint ReadNextAO(void *Context, void *OutBuf); extern void InvalidateAddrs(IPAddr Addr); extern void RevalidateAddrs(IPAddr Addr); extern uint MCastAddrOnAO(AddrObj *AO, IPAddr Dest, IPAddr Src); #define GetBestAddrObj(addr, port, prot, checkiflist) \ GetAddrObj(addr, port, prot, NULL, checkiflist) #define REF_AO(a) (a)->ao_usecnt++ #define DELAY_DEREF_AO(a) DelayDerefAO((a)) #define DEREF_AO(a) DerefAO((a)) #define LOCKED_DELAY_DEREF_AO(a) \ (a)->ao_usecnt--; \ if (!(a)->ao_usecnt && !AO_BUSY((a)) && AO_PENDING((a))) { \ SET_AO_BUSY((a)); \ CTEScheduleEvent(&(a)->ao_event, (a)); \ }