1 files changed, 151 insertions, 0 deletions
diff --git a/private/ntos/tdi/isn/inc/ipxfltif.h b/private/ntos/tdi/isn/inc/ipxfltif.h
new file mode 100644
index 000000000..e02591e61
--- /dev/null
+++ b/private/ntos/tdi/isn/inc/ipxfltif.h
@@ -0,0 +1,151 @@
+/*++
+
+Copyright (c) 1995  Microsoft Corporation
+
+Module Name:
+
+    private\inc\ipxfltif.h
+
+Abstract:
+    IPX Filter driver interface with forwarder
+
+
+Author:
+
+    Vadim Eydelman
+
+Revision History:
+
+--*/
+
+#ifndef _IPXFLTIF_
+#define _IPXFLTIF_
+
+	// No filter context means that packets should not
+	// be passed for filtering
+#define NO_FILTER_CONTEXT ((PVOID)0)
+
+
+	// Forwarder Driver Entry Points:
+	// ==============================
+/*++
+	S E T _ I F _ I N _ C O N T E X T _ H A N D L E R
+
+Routine Description:
+	Associates filter driver context with
+	the packets received on the interface
+Arguments:
+	InterfaceIndex	- index of the interface
+	ifInContext		- filter driver context
+Return Value:
+	STATUS_SUCCESS	- context associated ok
+	STATUS_UNSUCCESSFUL - interface does not exist
+--*/
+typedef
+NTSTATUS
+(*PSET_IF_IN_CONTEXT_HANDLER) (
+	IN ULONG	InterfaceIndex,
+	IN PVOID	ifInContext
+	);
+
+/*++
+	S E T _ I F _ O U T _ C O N T E X T _ H A N D L E R
+
+Routine Description:
+	Associates filter driver context with
+	the packets sent on the interface
+Arguments:
+	InterfaceIndex	- index of the interface
+	ifOutContext	- filter driver context
+Return Value:
+	STATUS_SUCCESS	- context associated ok
+	STATUS_UNSUCCESSFUL - interface does not exist
+--*/
+typedef
+NTSTATUS
+(*PSET_IF_OUT_CONTEXT_HANDLER) (
+	IN ULONG	InterfaceIndex,
+	IN PVOID	ifOutContext
+	);
+
+typedef enum {
+	FILTER_DENY_IN = -2,
+    FILTER_DENY_OUT = -1,
+    FILTER_DENY = 1,
+	FILTER_PERMIT = 0
+} FILTER_ACTION;
+#define NOT_FILTER_ACTION(action) (!action)
+#define IS_FILTERED(action) (action!=FILTER_PERMIT)
+
+
+	// Forwarder Driver Entry Points:
+	// ==============================
+/*++
+	F i l t e r H a n d l e r
+
+Routine Description:
+	
+	Filters the packet supplied by the forwarder
+
+Arguments:
+	ipxHdr			- pointer to packet header
+	ipxHdrLength	- size of the header buffer (must be at least 30)
+	ifInContext		- context associated with interface on which packet
+						was received
+	ifOutContext	- context associated with interface on which packet
+						will be sent
+Return Value:
+	FILTER_PERMIT		- packet should be passed on by the forwarder
+	FILTER_DENY_IN		- packet should be dropped because of input filter
+	FILTER_DENY_OUT		- packet should be dropped because of output filter
+
+--*/
+typedef
+FILTER_ACTION
+(*PFILTER_HANDLER) (
+	IN PUCHAR	ipxHdr,
+	IN ULONG	ipxHdrLength,
+	IN PVOID	ifInContext,
+	IN PVOID	ifOutContex
+	);
+
+/*++
+	I n t e r f a c e D e l e t e d H a n d l e r
+
+Routine Description:
+	
+	Frees interface filters blocks when forwarder indicates that
+	interface is deleted
+Arguments:
+	ifInContext		- context associated with input filters block	
+	ifOutContext	- context associated with output filters block
+Return Value:
+	None
+
+--*/
+typedef
+VOID
+(*PINTERFACE_DELETED_HANDLER) (
+	IN PVOID	ifInContext,
+	IN PVOID	ifOutContext
+	);
+
+// Binds filter driver to forwarder
+// IPX_FLT_BIND_INPUT should be passed in the input buffer and
+// IPX_FLT_BINF_OUTPUT will be returned in the output buffer
+#define IOCTL_FWD_INTERNAL_BIND_FILTER	\
+	CTL_CODE(FILE_DEVICE_IPXFWD,IPXFWD_IOCTL_INDEX+16,METHOD_BUFFERED,FILE_ANY_ACCESS)
+
+typedef struct _IPX_FLT_BIND_INPUT {
+	PFILTER_HANDLER				FilterHandler;
+	PINTERFACE_DELETED_HANDLER	InterfaceDeletedHandler;
+} IPX_FLT_BIND_INPUT, *PIPX_FLT_BIND_INPUT;
+
+typedef struct _IPX_FLT_BIND_OUTPUT {
+	ULONG						Size;
+	PSET_IF_IN_CONTEXT_HANDLER	SetIfInContextHandler;
+	PSET_IF_OUT_CONTEXT_HANDLER	SetIfOutContextHandler;
+} IPX_FLT_BIND_OUTPUT, *PIPX_FLT_BIND_OUTPUT;
+
+#endif
+