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70 lines
2.3 KiB
70 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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/* |
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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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* for the purposes of compatibility only. |
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* |
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* Fred N. van Kempen, <[email protected]> |
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* |
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* Changes: |
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* Mike McLagan : Routing by source |
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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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#include <linux/compiler.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_pad1; |
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struct sockaddr rt_dst; /* target address */ |
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struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ |
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struct sockaddr rt_genmask; /* target network mask (IP) */ |
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unsigned short rt_flags; |
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short rt_pad2; |
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unsigned long rt_pad3; |
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void *rt_pad4; |
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short rt_metric; /* +1 for binary compatibility! */ |
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char __user *rt_dev; /* forcing the device at add */ |
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unsigned long rt_mtu; /* per route MTU/Window */ |
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#ifndef __KERNEL__ |
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#define rt_mss rt_mtu /* Compatibility :-( */ |
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#endif |
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unsigned long rt_window; /* Window clamping */ |
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unsigned short rt_irtt; /* Initial RTT */ |
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}; |
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#define RTF_UP 0x0001 /* route usable */ |
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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 /* reinstate 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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#define RTF_MTU 0x0040 /* specific MTU for this route */ |
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#define RTF_MSS RTF_MTU /* Compatibility :-( */ |
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#define RTF_WINDOW 0x0080 /* per route window clamping */ |
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#define RTF_IRTT 0x0100 /* Initial round trip time */ |
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#define RTF_REJECT 0x0200 /* Reject route */ |
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/* |
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* <linux/ipv6_route.h> uses RTF values >= 64k |
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*/ |
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#endif /* _LINUX_ROUTE_H */ |
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