145e829f5SPeter Wemm /* from Id: ppp_defs.h,v 1.7 1995/08/10 06:49:35 paulus Exp */ 245e829f5SPeter Wemm /* $Id$ */ 385115669SPeter Wemm 485115669SPeter Wemm /* 585115669SPeter Wemm * ppp_defs.h - PPP definitions. 685115669SPeter Wemm * 785115669SPeter Wemm * Copyright (c) 1994 The Australian National University. 885115669SPeter Wemm * All rights reserved. 985115669SPeter Wemm * 1085115669SPeter Wemm * Permission to use, copy, modify, and distribute this software and its 1185115669SPeter Wemm * documentation is hereby granted, provided that the above copyright 1285115669SPeter Wemm * notice appears in all copies. This software is provided without any 1385115669SPeter Wemm * warranty, express or implied. The Australian National University 1485115669SPeter Wemm * makes no representations about the suitability of this software for 1585115669SPeter Wemm * any purpose. 1685115669SPeter Wemm * 1785115669SPeter Wemm * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY 1885115669SPeter Wemm * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 1985115669SPeter Wemm * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF 2085115669SPeter Wemm * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY 2185115669SPeter Wemm * OF SUCH DAMAGE. 2285115669SPeter Wemm * 2385115669SPeter Wemm * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, 2485115669SPeter Wemm * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 2585115669SPeter Wemm * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 2685115669SPeter Wemm * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO 2785115669SPeter Wemm * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, 2885115669SPeter Wemm * OR MODIFICATIONS. 2985115669SPeter Wemm */ 3085115669SPeter Wemm 3185115669SPeter Wemm #ifndef _PPP_DEFS_H_ 3285115669SPeter Wemm #define _PPP_DEFS_H_ 3385115669SPeter Wemm 3485115669SPeter Wemm /* 3585115669SPeter Wemm * The basic PPP frame. 3685115669SPeter Wemm */ 3785115669SPeter Wemm #define PPP_HDRLEN 4 /* octets for standard ppp header */ 3885115669SPeter Wemm #define PPP_FCSLEN 2 /* octets for FCS */ 3985115669SPeter Wemm #define PPP_MRU 1500 /* default MRU = max length of info field */ 4085115669SPeter Wemm 4185115669SPeter Wemm #define PPP_ADDRESS(p) (((u_char *)(p))[0]) 4285115669SPeter Wemm #define PPP_CONTROL(p) (((u_char *)(p))[1]) 4385115669SPeter Wemm #define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3]) 4485115669SPeter Wemm 4585115669SPeter Wemm /* 4685115669SPeter Wemm * Significant octet values. 4785115669SPeter Wemm */ 4885115669SPeter Wemm #define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */ 4985115669SPeter Wemm #define PPP_UI 0x03 /* Unnumbered Information */ 5085115669SPeter Wemm #define PPP_FLAG 0x7e /* Flag Sequence */ 5185115669SPeter Wemm #define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */ 5285115669SPeter Wemm #define PPP_TRANS 0x20 /* Asynchronous transparency modifier */ 5385115669SPeter Wemm 5485115669SPeter Wemm /* 5585115669SPeter Wemm * Protocol field values. 5685115669SPeter Wemm */ 5785115669SPeter Wemm #define PPP_IP 0x21 /* Internet Protocol */ 5845e829f5SPeter Wemm #define PPP_XNS 0x25 /* Xerox NS */ 5945e829f5SPeter Wemm #define PPP_IPX 0x2b /* IPX Datagram (RFC1552) */ 6085115669SPeter Wemm #define PPP_VJC_COMP 0x2d /* VJ compressed TCP */ 6185115669SPeter Wemm #define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */ 6285115669SPeter Wemm #define PPP_COMP 0xfd /* compressed packet */ 6385115669SPeter Wemm #define PPP_IPCP 0x8021 /* IP Control Protocol */ 6445e829f5SPeter Wemm #define PPP_IPXCP 0x802b /* IPX Control Protocol (RFC1552) */ 6585115669SPeter Wemm #define PPP_CCP 0x80fd /* Compression Control Protocol */ 6685115669SPeter Wemm #define PPP_LCP 0xc021 /* Link Control Protocol */ 6785115669SPeter Wemm #define PPP_PAP 0xc023 /* Password Authentication Protocol */ 6885115669SPeter Wemm #define PPP_LQR 0xc025 /* Link Quality Report protocol */ 6985115669SPeter Wemm #define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */ 7085115669SPeter Wemm 7185115669SPeter Wemm /* 7285115669SPeter Wemm * Values for FCS calculations. 7385115669SPeter Wemm */ 7485115669SPeter Wemm #define PPP_INITFCS 0xffff /* Initial FCS value */ 7585115669SPeter Wemm #define PPP_GOODFCS 0xf0b8 /* Good final FCS value */ 7685115669SPeter Wemm #define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff]) 7785115669SPeter Wemm 7885115669SPeter Wemm /* 7985115669SPeter Wemm * A 32-bit unsigned integral type. 8085115669SPeter Wemm */ 8145e829f5SPeter Wemm #if !defined(__BIT_TYPES_DEFINED__) && !defined(_BITYPES) && !defined(__FreeBSD__) 8285115669SPeter Wemm #ifdef UINT32_T 8385115669SPeter Wemm typedef UINT32_T u_int32_t; 8485115669SPeter Wemm #else 8585115669SPeter Wemm typedef unsigned int u_int32_t; 8685115669SPeter Wemm #endif 8785115669SPeter Wemm #endif 8885115669SPeter Wemm 8985115669SPeter Wemm /* 9085115669SPeter Wemm * Extended asyncmap - allows any character to be escaped. 9185115669SPeter Wemm */ 9285115669SPeter Wemm typedef u_int32_t ext_accm[8]; 9385115669SPeter Wemm 9485115669SPeter Wemm /* 9585115669SPeter Wemm * What to do with network protocol (NP) packets. 9685115669SPeter Wemm */ 9785115669SPeter Wemm enum NPmode { 9885115669SPeter Wemm NPMODE_PASS, /* pass the packet through */ 9985115669SPeter Wemm NPMODE_DROP, /* silently drop the packet */ 10085115669SPeter Wemm NPMODE_ERROR, /* return an error */ 10185115669SPeter Wemm NPMODE_QUEUE /* save it up for later. */ 10285115669SPeter Wemm }; 10385115669SPeter Wemm 10485115669SPeter Wemm /* 10585115669SPeter Wemm * Statistics. 10685115669SPeter Wemm */ 10785115669SPeter Wemm struct pppstat { 10885115669SPeter Wemm u_int ppp_ibytes; /* bytes received */ 10985115669SPeter Wemm u_int ppp_ipackets; /* packets received */ 11085115669SPeter Wemm u_int ppp_ierrors; /* receive errors */ 11185115669SPeter Wemm u_int ppp_obytes; /* bytes sent */ 11285115669SPeter Wemm u_int ppp_opackets; /* packets sent */ 11385115669SPeter Wemm u_int ppp_oerrors; /* transmit errors */ 11485115669SPeter Wemm }; 11585115669SPeter Wemm 11685115669SPeter Wemm struct vjstat { 11785115669SPeter Wemm u_int vjs_packets; /* outbound packets */ 11885115669SPeter Wemm u_int vjs_compressed; /* outbound compressed packets */ 11985115669SPeter Wemm u_int vjs_searches; /* searches for connection state */ 12085115669SPeter Wemm u_int vjs_misses; /* times couldn't find conn. state */ 12185115669SPeter Wemm u_int vjs_uncompressedin; /* inbound uncompressed packets */ 12285115669SPeter Wemm u_int vjs_compressedin; /* inbound compressed packets */ 12385115669SPeter Wemm u_int vjs_errorin; /* inbound unknown type packets */ 12485115669SPeter Wemm u_int vjs_tossed; /* inbound packets tossed because of error */ 12585115669SPeter Wemm }; 12685115669SPeter Wemm 12785115669SPeter Wemm struct ppp_stats { 12885115669SPeter Wemm struct pppstat p; /* basic PPP statistics */ 12985115669SPeter Wemm struct vjstat vj; /* VJ header compression statistics */ 13085115669SPeter Wemm }; 13185115669SPeter Wemm 13285115669SPeter Wemm struct compstat { 13385115669SPeter Wemm u_int unc_bytes; /* total uncompressed bytes */ 13485115669SPeter Wemm u_int unc_packets; /* total uncompressed packets */ 13585115669SPeter Wemm u_int comp_bytes; /* compressed bytes */ 13685115669SPeter Wemm u_int comp_packets; /* compressed packets */ 13785115669SPeter Wemm u_int inc_bytes; /* incompressible bytes */ 13885115669SPeter Wemm u_int inc_packets; /* incompressible packets */ 13985115669SPeter Wemm u_int ratio; /* recent compression ratio << 8 */ 14085115669SPeter Wemm }; 14185115669SPeter Wemm 14285115669SPeter Wemm struct ppp_comp_stats { 14385115669SPeter Wemm struct compstat c; /* packet compression statistics */ 14485115669SPeter Wemm struct compstat d; /* packet decompression statistics */ 14585115669SPeter Wemm }; 14685115669SPeter Wemm 14785115669SPeter Wemm /* 14885115669SPeter Wemm * The following structure records the time in seconds since 14985115669SPeter Wemm * the last NP packet was sent or received. 15085115669SPeter Wemm */ 15185115669SPeter Wemm struct ppp_idle { 15285115669SPeter Wemm time_t xmit_idle; /* time since last NP packet sent */ 15385115669SPeter Wemm time_t recv_idle; /* time since last NP packet received */ 15485115669SPeter Wemm }; 15585115669SPeter Wemm 15685115669SPeter Wemm #ifndef __P 15785115669SPeter Wemm #ifdef __STDC__ 15885115669SPeter Wemm #define __P(x) x 15985115669SPeter Wemm #else 16085115669SPeter Wemm #define __P(x) () 16185115669SPeter Wemm #endif 16285115669SPeter Wemm #endif 16385115669SPeter Wemm 16485115669SPeter Wemm #endif /* _PPP_DEFS_H_ */ 165