46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* Global definitions for the IP router interface.
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*
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* Version: @(#)route.h 1.0.3 05/27/93
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*
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* Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
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* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _LINUX_ROUTE_H
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#define _LINUX_ROUTE_H
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#include <linux/if.h>
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/* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */
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struct rtentry {
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unsigned long rt_hash; /* hash key for lookups */
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#define rt_genmask rt_hash
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struct sockaddr rt_dst;
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struct sockaddr rt_gateway;
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short rt_flags;
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short rt_refcnt;
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unsigned long rt_use;
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#ifdef BSD_COMPATIBLE
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struct ifnet *rt_ifp;
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#else
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void *rt_dev;
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#endif
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};
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#define RTF_UP 0x0001 /* route useable */
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#define RTF_GATEWAY 0x0002 /* destination is a gateway */
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#define RTF_HOST 0x0004 /* host entry (net otherwise) */
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#define RTF_REINSTATE 0x0008 /* re-instate route after tmout */
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#define RTF_DYNAMIC 0x0010 /* created dyn. (by redirect) */
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#define RTF_MODIFIED 0x0020 /* modified dyn. (by redirect) */
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#endif /* _LINUX_ROUTE_H */
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