table.h
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上传日期:2008-05-12
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文件大小:7k
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VxWorks
开发平台:
C/C++
- /* table.h - definitions for managing RIP internal routing table */
- /* Copyright 1984 - 2002 Wind River Systems, Inc. */
- /*
- * Copyright (c) 1983, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)table.h 8.1 (Berkeley) 6/5/93
- */
- /*
- modification history
- --------------------
- 01i,28apr02,rae added extern C jazz (SPR #76303)
- 01h,22mar02,niq Merged from Synth view, tor3_x.synth branch, ver 01k
- 01g,24jan02,niq SPR 72415 - Added support for Route tags
- 01f,12oct01,rae merge from truestack ver 01h, base 01e
- 01e,16mar99,spm recovered orphaned code from tor1_0_1.sens1_1 (SPR #25770)
- 01d,29sep98,spm added support for IP group MIB (SPR #9374); removed unused
- entries from rt_entry structure (SPR #22535)
- 01c,11sep98,spm updated contents to prevent compilation problems (SPR #22352)
- 01b,24feb97,gnn Reworked the rt_entry structure.
- 01a,26nov96,gnn created from BSD4.4 routed
- */
- #ifndef __INCtableh
- #define __INCtableh
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include "net/route.h"
- /*
- * Routing table management daemon.
- */
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 1 /* tell gcc960 not to optimize alignments */
- #endif /* CPU_FAMILY==I960 */
- /*
- * Routing table structure; differs a bit from kernel tables.
- *
- * Note: the union below must agree in the first 4 members
- * so the ioctl's will work.
- */
- struct rthash {
- struct rt_entry *rt_forw;
- struct rt_entry *rt_back;
- };
- struct rt_entry
- {
- struct rt_entry *rt_forw;
- struct rt_entry *rt_back;
- BOOL inKernel; /* Route has been added to the kernel*/
- int rt_tag; /* Route tag - for RIP v2 only */
- short rt_refcnt; /* How many additional interfaces */
- /* need this route */
- short rt_subnets_cnt;/* How many subnetted interfaces */
- /* need an "internal" classful */
- /* network route. Set only for a */
- /* classful route (internal or */
- /* otherwise) when atleast two */
- /* subnetted interfaces or one */
- /* non-subnetted and atleast one */
- /* subnetted interface exists */
- /* for the network */
- struct rtuentry
- {
- u_long rtu_hash;
- struct sockaddr rtu_dst;
- struct sockaddr rtu_router; /* Route's gateway - route supplier */
- /* for V1 or V2 with unspecified next*/
- /* hop. Set to next hop value for */
- /* V2 if specified */
- struct sockaddr rtu_netmask;
- int rtu_orgrouter; /* router from whom route was */
- /* received. For V1 will be same as */
- /* rtu_router. For V2 might be */
- /* diffrent from rtu_router */
- int rtu_flags;
- int rtu_state;
- int rtu_timer; /* Route timer */
- int rtu_metric; /* Route metric */
- int rtu_proto; /* Protocol that owns the route */
- struct interface *rtu_ifp; /* Interface through which the */
- /* gateway is reachable */
- } rtu_entry;
- };
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 0 /* turn off alignment requirement */
- #endif /* CPU_FAMILY==I960 */
- #define rt_hash rtu_entry.rtu_hash /* for net or host */
- #define rt_dst rtu_entry.rtu_dst /* match value */
- #define rt_router rtu_entry.rtu_router /* who to forward to */
- #define rt_orgrouter rtu_entry.rtu_orgrouter /* who received from */
- #define rt_netmask rtu_entry.rtu_netmask /* who to forward to */
- #define rt_flags rtu_entry.rtu_flags /* kernel flags */
- #define rt_timer rtu_entry.rtu_timer /* for invalidation */
- #define rt_state rtu_entry.rtu_state /* see below */
- #define rt_metric rtu_entry.rtu_metric /* cost of route */
- #define rt_ifp rtu_entry.rtu_ifp /* interface to take */
- #define rt_proto rtu_entry.rtu_proto /* protocol that owns this */
- /* route */
- #define ROUTEHASHSIZ 32 /* must be a power of 2 */
- #define ROUTEHASHMASK (ROUTEHASHSIZ - 1)
- /*
- * "State" of routing table entry.
- */
- #define RTS_CHANGED 0x1 /* route has been altered recently */
- #define RTS_EXTERNAL 0x2 /* extern info, not installed or sent */
- #define RTS_INTERNAL 0x4 /* internal route, not installed */
- #define RTS_PASSIVE IFF_PASSIVE /* don't time out route */
- #define RTS_INTERFACE IFF_INTERFACE /* route is for network interface */
- #define RTS_REMOTE IFF_REMOTE /* route is for ``remote'' entity */
- #define RTS_SUBNET IFF_SUBNET /* route is for network subnet */
- #define RTS_OTHER 0x1000000 /* route installed by another */
- /* protocol */
- #define RTS_PRIMARY 0x2000000 /* This is a primary route */
- /*
- * Flags are same as kernel, with this addition for af_rtflags:
- */
- #define RTF_SUBNET 0x80000 /* pseudo: route to subnet */
- #ifndef VIRTUAL_STACK
- struct rthash nethash[ROUTEHASHSIZ];
- struct rthash hosthash[ROUTEHASHSIZ];
- #endif
- struct rt_entry *rtlookup();
- struct rt_entry *rtfind();
- IMPORT STATUS mPrivRouteEntryAdd (long, long, long, int, int, int,
- struct rtentry **);
- IMPORT STATUS mPrivRouteEntryDelete (long, long, long, int, int, int,
- struct rtentry *);
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCtableh */