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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | /* $Id: ppp_defs.h,v 1.2 1994/09/21 01:31:06 paulus Exp $ */ /* * 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. */ /* * ==FILEVERSION 960302== * * NOTE TO MAINTAINERS: * If you modify this file at all, please set the above date. * ppp_defs.h is shipped with a PPP distribution as well as with the kernel; * if everyone increases the FILEVERSION number above, then scripts * can do the right thing when deciding whether to install a new ppp_defs.h * file. Don't change the format of that line otherwise, so the * installation script can recognize it. */ #ifndef _PPP_DEFS_H_ #define _PPP_DEFS_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) (((__u8 *)(p))[0]) #define PPP_CONTROL(p) (((__u8 *)(p))[1]) #define PPP_PROTOCOL(p) ((((__u8 *)(p))[2] << 8) + ((__u8 *)(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_IPX 0x2b /* IPX protocol */ #define PPP_VJC_COMP 0x2d /* VJ compressed TCP */ #define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */ #define PPP_IPV6 0x57 /* Internet Protocol Version 6 */ #define PPP_COMP 0xfd /* compressed packet */ #define PPP_IPCP 0x8021 /* IP Control Protocol */ #define PPP_IPXCP 0x802b /* IPX Control Protocol */ #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 */ /* * 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 __u32 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 for LQRP and pppstats */ struct pppstat { __u32 ppp_discards; /* # frames discarded */ __u32 ppp_ibytes; /* bytes received */ __u32 ppp_ioctects; /* bytes received not in error */ __u32 ppp_ipackets; /* packets received */ __u32 ppp_ierrors; /* receive errors */ __u32 ppp_ilqrs; /* # LQR frames received */ __u32 ppp_obytes; /* raw bytes sent */ __u32 ppp_ooctects; /* frame bytes sent */ __u32 ppp_opackets; /* packets sent */ __u32 ppp_oerrors; /* transmit errors */ __u32 ppp_olqrs; /* # LQR frames sent */ }; struct vjstat { __u32 vjs_packets; /* outbound packets */ __u32 vjs_compressed; /* outbound compressed packets */ __u32 vjs_searches; /* searches for connection state */ __u32 vjs_misses; /* times couldn't find conn. state */ __u32 vjs_uncompressedin; /* inbound uncompressed packets */ __u32 vjs_compressedin; /* inbound compressed packets */ __u32 vjs_errorin; /* inbound unknown type packets */ __u32 vjs_tossed; /* inbound packets tossed because of error */ }; struct compstat { __u32 unc_bytes; /* total uncompressed bytes */ __u32 unc_packets; /* total uncompressed packets */ __u32 comp_bytes; /* compressed bytes */ __u32 comp_packets; /* compressed packets */ __u32 inc_bytes; /* incompressible bytes */ __u32 inc_packets; /* incompressible packets */ /* the compression ratio is defined as in_count / bytes_out */ __u32 in_count; /* Bytes received */ __u32 bytes_out; /* Bytes transmitted */ double ratio; /* not computed in kernel. */ }; struct ppp_stats { struct pppstat p; /* basic PPP statistics */ struct vjstat vj; /* VJ header compression statistics */ }; 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 */ }; #ifndef __P #ifdef __STDC__ #define __P(x) x #else #define __P(x) () #endif #endif #endif /* _PPP_DEFS_H_ */ |