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42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
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/*
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* ppp.h - PPP global declarations.
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*
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* Copyright (c) 1989 Carnegie Mellon University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by Carnegie Mellon University. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: ppp.h,v 1.1 1993/11/11 03:54:25 paulus Exp $
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*/
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#ifndef __PPP_H__
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#define __PPP_H__
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#define NPPP 1 /* One PPP interface supported (per process) */
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/*
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* Data Link Layer header = Address, Control, Protocol.
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*/
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#define ALLSTATIONS 0xff /* All-Stations Address */
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#define UI 0x03 /* Unnumbered Information */
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#define LCP 0xc021 /* Link Control Protocol */
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#define IPCP 0x8021 /* IP Control Protocol */
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#define UPAP 0xc023 /* User/Password Authentication Protocol */
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#define CHAP 0xc223 /* Crytpographic Handshake Protocol */
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#define LQR 0xc025 /* Link Quality Report protocol */
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#define IP_VJ_COMP 0x002d /* VJ TCP compressed IP packet */
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#define DLLHEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
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#define MTU 1500 /* Default MTU */
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#endif /* __PPP_H__ */
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