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Diffstat (limited to '')
| -rw-r--r-- | c/src/exec/libnetworking/net/route.h | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/c/src/exec/libnetworking/net/route.h b/c/src/exec/libnetworking/net/route.h deleted file mode 100644 index 6099b424c3..0000000000 --- a/c/src/exec/libnetworking/net/route.h +++ /dev/null @@ -1,286 +0,0 @@ -/* - * Copyright (c) 1980, 1986, 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. - * - * @(#)route.h 8.3 (Berkeley) 4/19/94 - * $Id$ - */ - -#ifndef _NET_ROUTE_H_ -#define _NET_ROUTE_H_ - -/* - * Kernel resident routing tables. - * - * The routing tables are initialized when interface addresses - * are set by making entries for all directly connected interfaces. - */ - -/* - * A route consists of a destination address and a reference - * to a routing entry. These are often held by protocols - * in their control blocks, e.g. inpcb. - */ -struct route { - struct rtentry *ro_rt; - struct sockaddr ro_dst; -}; - -/* - * These numbers are used by reliable protocols for determining - * retransmission behavior and are included in the routing structure. - */ -struct rt_metrics { - u_long rmx_locks; /* Kernel must leave these values alone */ - u_long rmx_mtu; /* MTU for this path */ - u_long rmx_hopcount; /* max hops expected */ - u_long rmx_expire; /* lifetime for route, e.g. redirect */ - u_long rmx_recvpipe; /* inbound delay-bandwidth product */ - u_long rmx_sendpipe; /* outbound delay-bandwidth product */ - u_long rmx_ssthresh; /* outbound gateway buffer limit */ - u_long rmx_rtt; /* estimated round trip time */ - u_long rmx_rttvar; /* estimated rtt variance */ - u_long rmx_pksent; /* packets sent using this route */ - u_long rmx_filler[4]; /* will be used for T/TCP later */ -}; - -/* - * rmx_rtt and rmx_rttvar are stored as microseconds; - * RTTTOPRHZ(rtt) converts to a value suitable for use - * by a protocol slowtimo counter. - */ -#define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */ -#define RTTTOPRHZ(r) ((r) / (RTM_RTTUNIT / PR_SLOWHZ)) - -/* - * XXX kernel function pointer `rt_output' is visible to applications. - */ -struct mbuf; - -/* - * We distinguish between routes to hosts and routes to networks, - * preferring the former if available. For each route we infer - * the interface to use from the gateway address supplied when - * the route was entered. Routes that forward packets through - * gateways are marked so that the output routines know to address the - * gateway rather than the ultimate destination. - */ -#ifndef RNF_NORMAL -#include <net/radix.h> -#endif -struct rtentry { - struct radix_node rt_nodes[2]; /* tree glue, and other values */ -#define rt_key(r) ((struct sockaddr *)((r)->rt_nodes->rn_key)) -#define rt_mask(r) ((struct sockaddr *)((r)->rt_nodes->rn_mask)) - struct sockaddr *rt_gateway; /* value */ - short rt_filler; /* was short flags field */ - short rt_refcnt; /* # held references */ - u_long rt_flags; /* up/down?, host/net */ - struct ifnet *rt_ifp; /* the answer: interface to use */ - struct ifaddr *rt_ifa; /* the answer: interface to use */ - struct sockaddr *rt_genmask; /* for generation of cloned routes */ - caddr_t rt_llinfo; /* pointer to link level info cache */ - struct rt_metrics rt_rmx; /* metrics used by rx'ing protocols */ - struct rtentry *rt_gwroute; /* implied entry for gatewayed routes */ - int (*rt_output) __P((struct ifnet *, struct mbuf *, - struct sockaddr *, struct rtentry *)); - /* output routine for this (rt,if) */ - struct rtentry *rt_parent; /* cloning parent of this route */ - void *rt_filler2; /* more filler */ -}; - -/* - * Following structure necessary for 4.3 compatibility; - * We should eventually move it to a compat file. - */ -struct ortentry { - u_long rt_hash; /* to speed lookups */ - struct sockaddr rt_dst; /* key */ - struct sockaddr rt_gateway; /* value */ - short rt_flags; /* up/down?, host/net */ - short rt_refcnt; /* # held references */ - u_long rt_use; /* raw # packets forwarded */ - struct ifnet *rt_ifp; /* the answer: interface to use */ -}; - -#define rt_use rt_rmx.rmx_pksent - -#define RTF_UP 0x1 /* route usable */ -#define RTF_GATEWAY 0x2 /* destination is a gateway */ -#define RTF_HOST 0x4 /* host entry (net otherwise) */ -#define RTF_REJECT 0x8 /* host or net unreachable */ -#define RTF_DYNAMIC 0x10 /* created dynamically (by redirect) */ -#define RTF_MODIFIED 0x20 /* modified dynamically (by redirect) */ -#define RTF_DONE 0x40 /* message confirmed */ -/* 0x80 unused */ -#define RTF_CLONING 0x100 /* generate new routes on use */ -#define RTF_XRESOLVE 0x200 /* external daemon resolves name */ -#define RTF_LLINFO 0x400 /* generated by link layer (e.g. ARP) */ -#define RTF_STATIC 0x800 /* manually added */ -#define RTF_BLACKHOLE 0x1000 /* just discard pkts (during updates) */ -#define RTF_PROTO2 0x4000 /* protocol specific routing flag */ -#define RTF_PROTO1 0x8000 /* protocol specific routing flag */ - -#define RTF_PRCLONING 0x10000 /* protocol requires cloning */ -#define RTF_WASCLONED 0x20000 /* route generated through cloning */ -#define RTF_PROTO3 0x40000 /* protocol specific routing flag */ -/* 0x80000 unused */ -#define RTF_PINNED 0x100000 /* future use */ -#define RTF_LOCAL 0x200000 /* route represents a local address */ -#define RTF_BROADCAST 0x400000 /* route represents a bcast address */ -#define RTF_MULTICAST 0x800000 /* route represents a mcast address */ - /* 0x1000000 and up unassigned */ - -/* - * Routing statistics. - */ -struct rtstat { - short rts_badredirect; /* bogus redirect calls */ - short rts_dynamic; /* routes created by redirects */ - short rts_newgateway; /* routes modified by redirects */ - short rts_unreach; /* lookups which failed */ - short rts_wildcard; /* lookups satisfied by a wildcard */ -}; -/* - * Structures for routing messages. - */ -struct rt_msghdr { - u_short rtm_msglen; /* to skip over non-understood messages */ - u_char rtm_version; /* future binary compatibility */ - u_char rtm_type; /* message type */ - u_short rtm_index; /* index for associated ifp */ - int rtm_flags; /* flags, incl. kern & message, e.g. DONE */ - int rtm_addrs; /* bitmask identifying sockaddrs in msg */ - pid_t rtm_pid; /* identify sender */ - int rtm_seq; /* for sender to identify action */ - int rtm_errno; /* why failed */ - int rtm_use; /* from rtentry */ - u_long rtm_inits; /* which metrics we are initializing */ - struct rt_metrics rtm_rmx; /* metrics themselves */ -}; - -#define RTM_VERSION 5 /* Up the ante and ignore older versions */ - -#define RTM_ADD 0x1 /* Add Route */ -#define RTM_DELETE 0x2 /* Delete Route */ -#define RTM_CHANGE 0x3 /* Change Metrics or flags */ -#define RTM_GET 0x4 /* Report Metrics */ -#define RTM_LOSING 0x5 /* Kernel Suspects Partitioning */ -#define RTM_REDIRECT 0x6 /* Told to use different route */ -#define RTM_MISS 0x7 /* Lookup failed on this address */ -#define RTM_LOCK 0x8 /* fix specified metrics */ -#define RTM_OLDADD 0x9 /* caused by SIOCADDRT */ -#define RTM_OLDDEL 0xa /* caused by SIOCDELRT */ -#define RTM_RESOLVE 0xb /* req to resolve dst to LL addr */ -#define RTM_NEWADDR 0xc /* address being added to iface */ -#define RTM_DELADDR 0xd /* address being removed from iface */ -#define RTM_IFINFO 0xe /* iface going up/down etc. */ - -#define RTV_MTU 0x1 /* init or lock _mtu */ -#define RTV_HOPCOUNT 0x2 /* init or lock _hopcount */ -#define RTV_EXPIRE 0x4 /* init or lock _hopcount */ -#define RTV_RPIPE 0x8 /* init or lock _recvpipe */ -#define RTV_SPIPE 0x10 /* init or lock _sendpipe */ -#define RTV_SSTHRESH 0x20 /* init or lock _ssthresh */ -#define RTV_RTT 0x40 /* init or lock _rtt */ -#define RTV_RTTVAR 0x80 /* init or lock _rttvar */ - -/* - * Bitmask values for rtm_addr. - */ -#define RTA_DST 0x1 /* destination sockaddr present */ -#define RTA_GATEWAY 0x2 /* gateway sockaddr present */ -#define RTA_NETMASK 0x4 /* netmask sockaddr present */ -#define RTA_GENMASK 0x8 /* cloning mask sockaddr present */ -#define RTA_IFP 0x10 /* interface name sockaddr present */ -#define RTA_IFA 0x20 /* interface addr sockaddr present */ -#define RTA_AUTHOR 0x40 /* sockaddr for author of redirect */ -#define RTA_BRD 0x80 /* for NEWADDR, broadcast or p-p dest addr */ - -/* - * Index offsets for sockaddr array for alternate internal encoding. - */ -#define RTAX_DST 0 /* destination sockaddr present */ -#define RTAX_GATEWAY 1 /* gateway sockaddr present */ -#define RTAX_NETMASK 2 /* netmask sockaddr present */ -#define RTAX_GENMASK 3 /* cloning mask sockaddr present */ -#define RTAX_IFP 4 /* interface name sockaddr present */ -#define RTAX_IFA 5 /* interface addr sockaddr present */ -#define RTAX_AUTHOR 6 /* sockaddr for author of redirect */ -#define RTAX_BRD 7 /* for NEWADDR, broadcast or p-p dest addr */ -#define RTAX_MAX 8 /* size of array to allocate */ - -struct rt_addrinfo { - int rti_addrs; - struct sockaddr *rti_info[RTAX_MAX]; -}; - -struct route_cb { - int ip_count; - int ipx_count; - int ns_count; - int iso_count; - int any_count; -}; - -#ifdef KERNEL -#define RTFREE(rt) \ - do { \ - if ((rt)->rt_refcnt <= 1) \ - rtfree(rt); \ - else \ - (rt)->rt_refcnt--; \ - } while (0) - -extern struct route_cb route_cb; -extern struct rtstat rtstat; -extern struct radix_node_head *rt_tables[AF_MAX+1]; - -void route_init __P((void)); -void rt_ifmsg __P((struct ifnet *)); -void rt_missmsg __P((int, struct rt_addrinfo *, int, int)); -void rt_newaddrmsg __P((int, struct ifaddr *, int, struct rtentry *)); -int rt_setgate __P((struct rtentry *, - struct sockaddr *, struct sockaddr *)); -void rtalloc __P((struct route *)); -void rtalloc_ign __P((struct route *, unsigned long)); -struct rtentry * - rtalloc1 __P((struct sockaddr *, int, unsigned long)); -void rtfree __P((struct rtentry *)); -int rtinit __P((struct ifaddr *, int, int)); -int rtioctl __P((int, caddr_t, struct proc *)); -void rtredirect __P((struct sockaddr *, struct sockaddr *, - struct sockaddr *, int, struct sockaddr *, struct rtentry **)); -int rtrequest __P((int, struct sockaddr *, - struct sockaddr *, struct sockaddr *, int, struct rtentry **)); -#endif - -#endif |