1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1999 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate /* 31*0Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD 32*0Sstevel@tonic-gate * under license from the Regents of the University of California. 33*0Sstevel@tonic-gate */ 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate /* 38*0Sstevel@tonic-gate * Routing table management daemon. 39*0Sstevel@tonic-gate */ 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate /* 42*0Sstevel@tonic-gate * Routing table structure; differs a bit from kernel tables. 43*0Sstevel@tonic-gate */ 44*0Sstevel@tonic-gate struct rthash { 45*0Sstevel@tonic-gate struct rt_entry *rt_forw; 46*0Sstevel@tonic-gate struct rt_entry *rt_back; 47*0Sstevel@tonic-gate }; 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate struct rt_entry { 50*0Sstevel@tonic-gate struct rt_entry *rt_forw; 51*0Sstevel@tonic-gate struct rt_entry *rt_back; 52*0Sstevel@tonic-gate uint_t rt_hash; /* for net or host */ 53*0Sstevel@tonic-gate struct in6_addr rt_dst; /* match value */ 54*0Sstevel@tonic-gate struct in6_addr rt_router; /* who to forward to */ 55*0Sstevel@tonic-gate int rt_prefix_length; /* bits in prefix */ 56*0Sstevel@tonic-gate struct interface *rt_ifp; /* interface to take */ 57*0Sstevel@tonic-gate uint_t rt_flags; /* kernel flags */ 58*0Sstevel@tonic-gate uint_t rt_state; /* see below */ 59*0Sstevel@tonic-gate int rt_timer; /* for invalidation */ 60*0Sstevel@tonic-gate int rt_metric; /* cost of route including the if */ 61*0Sstevel@tonic-gate int rt_tag; /* route tag attribute */ 62*0Sstevel@tonic-gate }; 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate #define ROUTEHASHSIZ 32 /* must be a power of 2 */ 65*0Sstevel@tonic-gate #define ROUTEHASHMASK (ROUTEHASHSIZ - 1) 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate /* 68*0Sstevel@tonic-gate * "State" of routing table entry. 69*0Sstevel@tonic-gate */ 70*0Sstevel@tonic-gate #define RTS_CHANGED 0x1 /* route has been altered recently */ 71*0Sstevel@tonic-gate #define RTS_INTERFACE 0x2 /* route is for network interface */ 72*0Sstevel@tonic-gate #define RTS_PRIVATE 0x4 /* route is private, do not advertise */ 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate /* 75*0Sstevel@tonic-gate * XXX This is defined in <inet/ip.h> (but should be defined in <netinet/ip6.h> 76*0Sstevel@tonic-gate * for completeness). 77*0Sstevel@tonic-gate */ 78*0Sstevel@tonic-gate #define IPV6_ABITS 128 /* Number of bits in an IPv6 address */ 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate extern struct rthash *net_hashes[IPV6_ABITS + 1]; 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate extern void rtadd(struct in6_addr *, struct in6_addr *, int, int, int, 83*0Sstevel@tonic-gate boolean_t, struct interface *); 84*0Sstevel@tonic-gate extern void rtchange(struct rt_entry *, struct in6_addr *, short, 85*0Sstevel@tonic-gate struct interface *); 86*0Sstevel@tonic-gate extern void rtchangeall(void); 87*0Sstevel@tonic-gate extern void rtcreate_prefix(struct in6_addr *, struct in6_addr *, int); 88*0Sstevel@tonic-gate extern void rtdelete(struct rt_entry *); 89*0Sstevel@tonic-gate extern void rtdown(struct rt_entry *); 90*0Sstevel@tonic-gate extern void rtdump(void); 91*0Sstevel@tonic-gate extern struct rt_entry *rtlookup(struct in6_addr *, int); 92*0Sstevel@tonic-gate extern void rtpurgeif(struct interface *); 93