1 files changed, 135 insertions, 0 deletions
diff --git a/private/ntos/tdi/tcpip/ip/iprtdef.h b/private/ntos/tdi/tcpip/ip/iprtdef.h
new file mode 100644
index 000000000..1082646ba
--- /dev/null
+++ b/private/ntos/tdi/tcpip/ip/iprtdef.h
@@ -0,0 +1,135 @@
+/********************************************************************/
+/**                     Microsoft LAN Manager                      **/
+/**               Copyright(c) Microsoft Corp., 1990-1992          **/
+/********************************************************************/
+/* :ts=4 */
+
+#include	"ipfilter.h"
+
+//** IPRTDEF.H - IP private routing definitions.
+//
+// This file contains all of the definitions private to the routing
+// module.
+
+//*	Route table entry.
+
+struct RouteTableEntry {
+	struct	RouteTableEntry	*rte_next;		// Next in hash chain.
+	IPAddr					rte_dest;		// Destination of route.
+	IPMask					rte_mask;		// Mask to use when examining route.
+	IPAddr					rte_addr;		// First hop for this route.
+	uint					rte_priority;	// Priority of this route:
+											// essentially the number
+											// of bits set in mask.
+	uint					rte_metric;		// Metric of route. Lower
+											// is better.
+	uint					rte_mtu;		// MTU for this route.
+	struct Interface		*rte_if;		// Outbound interface.
+	RouteCacheEntry			*rte_rcelist;
+	ushort					rte_type;		// Type of route.
+	ushort					rte_flags;		// Flags for route.
+	uint					rte_admintype;	// Admin type of route.
+	uint					rte_proto;		// How we learned about the
+											// route.
+	uint					rte_valid;		// Up time (in seconds)	
+											// route was last known to be
+											// valid.
+	uint					rte_mtuchange;	// System up time (in seconds)
+											// MTU was changed.
+	ROUTE_CONTEXT			rte_context;	// Dial-on-demand context for this route.
+}; /* RouteTableEntry */
+
+#define	ADDR_FROM_RTE(R, A)	(IP_ADDR_EQUAL((R)->rte_addr, IPADDR_LOCAL) ? (A) : \
+								(R)->rte_addr)
+#define	IF_FROM_RTE(R)		((R)->rte_if)
+#define	MTU_FROM_RTE(R)		((R)->rte_mtu)
+#define	SRC_FROM_RTE(R)		((R)->rte_src)
+
+#define	RTE_VALID			1
+#define	RTE_INCREASE		2			// Set if last MTU change was an
+										// increase.
+#define	RTE_IF_VALID		4			// Set to TRUE if rte_if is valid.
+
+#define	IP_ROUTE_TIMEOUT	60L*1000L	// Route timer fires once a minute.
+
+#define	MTU_INCREASE_TIME	120			// Number of seconds after increase
+										// to re-increase.
+#define	MTU_DECREASE_TIME	600			// Number of seconds after decrease
+										// to re-increase.
+										
+#define	MAX_ICMP_ROUTE_VALID	600		// Time to timeout an unused ICMP
+										// derived route, in seconds.
+
+#define	MIN_RT_VALID		60			// Minimum time a route is assumed
+										// to be valid, in seconds.
+
+#define	MIN_VALID_MTU		68			// Minimum valid MTU we can have.
+#define	HOST_ROUTE_PRI		32
+#define	DEFAULT_ROUTE_PRI	0
+
+typedef struct RouteTableEntry RouteTableEntry;	
+
+//* Forward Q linkage structure.
+struct	FWQ {
+	struct FWQ	*fq_next;
+	struct FWQ	*fq_prev;
+}; /* FWQ */
+
+typedef struct FWQ FWQ;
+
+
+//* Forward context structure, used when TD'ing a packet to be forwarded.
+struct FWContext {
+	PacketContext	fc_pc;					// Dummy packet context for send routines.
+	FWQ				fc_q;					// Queue structure.
+	PNDIS_BUFFER	fc_hndisbuff;			// Pointer to NDIS buffer for header.
+	IPHeader		*fc_hbuff;				// Header buffer.
+	PNDIS_BUFFER	fc_buffhead;			// Head of list of NDIS buffers.
+	PNDIS_BUFFER	fc_bufftail;			// Tail of list of NDIS buffers.
+	uchar			*fc_options;			// Options,
+	Interface		*fc_if;					// Destination interface.
+	IPAddr			fc_outaddr;				// IP address of interface.
+	uint			fc_mtu;					// Max MTU outgoing.
+	NetTableEntry	*fc_srcnte;				// Source NTE.
+	IPAddr			fc_nexthop;				// Next hop.
+	uint			fc_datalength;			// Length in bytes of data.
+	OptIndex		fc_index;				// Index of relevant options.
+	uchar			fc_optlength;			// Length of options.
+	uchar			fc_sos;					// Send on source indicator.
+	uchar			fc_dtype;				// Dest type.
+	uchar			fc_pad;
+}; /* FWContext */
+
+typedef struct FWContext	FWContext;
+
+#define	PACKET_FROM_FWQ(_fwq_) 	(PNDIS_PACKET)((uchar *)(_fwq_) - (offsetof(struct FWContext, fc_q) + \
+	offsetof(NDIS_PACKET, ProtocolReserved)))
+
+//* Route send queue structure. This consists of a dummy FWContext for use as
+//	a queue head, a count of sends pending on the interface, and a count of packets
+//	in the queue.
+struct RouteSendQ {
+	FWQ				rsq_qh;
+	uint			rsq_pending;
+    uint            rsq_maxpending;
+	uint			rsq_qlength;
+	uint 			rsq_running;
+	DEFINE_LOCK_STRUCTURE(rsq_lock)
+}; /* RouteSendQ */
+
+typedef struct RouteSendQ RouteSendQ;
+
+
+//* Routing interface, a superset of the ordinary interface when we're configured as a router.
+struct RouteInterface {
+	Interface		ri_if;
+	RouteSendQ		ri_q;
+}; /* RouteInterface */
+
+typedef struct RouteInterface RouteInterface;
+
+extern IPMask  IPMaskTable[];
+	
+#define	IPNetMask(a)	IPMaskTable[(*(uchar *)&(a)) >> 4]
+
+