/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * ppp_defs.h - PPP definitions. * * Copyright (c) 1994 The Australian National University. * All rights reserved. * * Permission to use, copy, modify, and distribute this software and its * documentation is hereby granted, provided that the above copyright * notice appears in all copies. This software is provided without any * warranty, express or implied. The Australian National University * makes no representations about the suitability of this software for * any purpose. * * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, * OR MODIFICATIONS. * */ #ifndef _PPP_DEFS_H_ #define _PPP_DEFS_H_ #include <sys/appleapiopts.h> /* * The basic PPP frame. */ #define PPP_HDRLEN 4 /* octets for standard ppp header */ #define PPP_FCSLEN 2 /* octets for FCS */ #define PPP_MRU 1500 /* default MRU = max length of info field */ #define PPP_ADDRESS(p) (((u_char *)(p))[0]) #define PPP_CONTROL(p) (((u_char *)(p))[1]) #define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3]) /* * Significant octet values. */ #define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */ #define PPP_UI 0x03 /* Unnumbered Information */ #define PPP_FLAG 0x7e /* Flag Sequence */ #define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */ #define PPP_TRANS 0x20 /* Asynchronous transparency modifier */ /* * Protocol field values. */ #define PPP_IP 0x21 /* Internet Protocol */ #define PPP_XNS 0x25 /* Xerox NS */ #define PPP_AT 0x29 /* AppleTalk Protocol */ #define PPP_IPX 0x2b /* IPX Datagram (RFC1552) */ #define PPP_VJC_COMP 0x2d /* VJ compressed TCP */ #define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */ #define PPP_COMP 0xfd /* compressed packet */ #define PPP_IPCP 0x8021 /* IP Control Protocol */ #define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */ #define PPP_IPXCP 0x802b /* IPX Control Protocol (RFC1552) */ #define PPP_CCP 0x80fd /* Compression Control Protocol */ #define PPP_LCP 0xc021 /* Link Control Protocol */ #define PPP_PAP 0xc023 /* Password Authentication Protocol */ #define PPP_LQR 0xc025 /* Link Quality Report protocol */ #define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */ #define PPP_CBCP 0xc029 /* Callback Control Protocol */ #define PPP_IPV6 0x57 /* Internet Protocol version 6*/ #define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */ /* * Values for FCS calculations. */ #define PPP_INITFCS 0xffff /* Initial FCS value */ #define PPP_GOODFCS 0xf0b8 /* Good final FCS value */ #define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff]) /* * Extended asyncmap - allows any character to be escaped. */ typedef u_int32_t ext_accm[8]; /* * What to do with network protocol (NP) packets. */ enum NPmode { NPMODE_PASS, /* pass the packet through */ NPMODE_DROP, /* silently drop the packet */ NPMODE_ERROR, /* return an error */ NPMODE_QUEUE /* save it up for later. */ }; /* * Statistics. */ struct pppstat { unsigned int ppp_ibytes; /* bytes received */ unsigned int ppp_ipackets; /* packets received */ unsigned int ppp_ierrors; /* receive errors */ unsigned int ppp_obytes; /* bytes sent */ unsigned int ppp_opackets; /* packets sent */ unsigned int ppp_oerrors; /* transmit errors */ }; struct vjstat { unsigned int vjs_packets; /* outbound packets */ unsigned int vjs_compressed; /* outbound compressed packets */ unsigned int vjs_searches; /* searches for connection state */ unsigned int vjs_misses; /* times couldn't find conn. state */ unsigned int vjs_uncompressedin; /* inbound uncompressed packets */ unsigned int vjs_compressedin; /* inbound compressed packets */ unsigned int vjs_errorin; /* inbound unknown type packets */ unsigned int vjs_tossed; /* inbound packets tossed because of error */ }; struct ppp_stats { struct pppstat p; /* basic PPP statistics */ struct vjstat vj; /* VJ header compression statistics */ }; struct compstat { unsigned int unc_bytes; /* total uncompressed bytes */ unsigned int unc_packets; /* total uncompressed packets */ unsigned int comp_bytes; /* compressed bytes */ unsigned int comp_packets; /* compressed packets */ unsigned int inc_bytes; /* incompressible bytes */ unsigned int inc_packets; /* incompressible packets */ unsigned int ratio; /* recent compression ratio << 8 */ }; struct ppp_comp_stats { struct compstat c; /* packet compression statistics */ struct compstat d; /* packet decompression statistics */ }; /* * The following structure records the time in seconds since * the last NP packet was sent or received. */ struct ppp_idle { time_t xmit_idle; /* time since last NP packet sent */ time_t recv_idle; /* time since last NP packet received */ }; #endif /* _PPP_DEFS_H_ */