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/*      $Id: ppp_defs.h,v 1.2 2001-09-27 12:01:54 chris 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.
 */
 
#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 */
 
/*
 * Packet sizes
 *
 * Note - lcp shouldn't be allowed to negotiate stuff outside these
 *        limits.  See lcp.h in the pppd directory.
 * (XXX - these constants should simply be shared by lcp.c instead
 *        of living in lcp.h)
 */
#define PPP_MTU         1500    /* Default MTU (size of Info field) */
#define PPP_MAXMTU      65535 - (PPP_HDRLEN + PPP_FCSLEN)
#define PPP_MINMTU      64
#define PPP_MRU         1500    /* default MRU = max length of info field */
#define PPP_MAXMRU      65000   /* Largest MRU we allow */
#define PPP_MINMRU      128
 
#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_AT          0x29    /* AppleTalk 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_ATCP        0x8029  /* AppleTalk 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 */
#define PPP_CBCP        0xc029  /* Callback 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])
 
/*
 * A 32-bit unsigned integral type.
 */
 
#if !defined(__BIT_TYPES_DEFINED__) && !defined(_BITYPES) \
 && !defined(__FreeBSD__) && (NS_TARGET < 40) && !defined(__rtems__)
#ifdef  UINT32_T
typedef UINT32_T        u_int32_t;
#else
typedef unsigned int    u_int32_t;
typedef unsigned short  u_int16_t;
#endif
#endif
 
/*
 * 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 */
};
 
#ifndef __P
#ifdef __STDC__
#define __P(x)  x
#else
#define __P(x)  ()
#endif
#endif
 
#endif /* _PPP_DEFS_H_ */

Line No.	Rev	Author	Line
1	208	chris	`/* $Id: ppp_defs.h,v 1.2 2001-09-27 12:01:54 chris Exp $ */`
2	158	chris
3			`/*`
4			`* ppp_defs.h - PPP definitions.`
5			`*`
6			`* Copyright (c) 1994 The Australian National University.`
7			`* All rights reserved.`
8			`*`
9			`* Permission to use, copy, modify, and distribute this software and its`
10			`* documentation is hereby granted, provided that the above copyright`
11			`* notice appears in all copies. This software is provided without any`
12			`* warranty, express or implied. The Australian National University`
13			`* makes no representations about the suitability of this software for`
14			`* any purpose.`
15			`*`
16			`* IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY`
17			`* PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES`
18			`* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF`
19			`* THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY`
20			`* OF SUCH DAMAGE.`
21			`*`
22			`* THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,`
23			`* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY`
24			`* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS`
25			`* ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO`
26			`* OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,`
27			`* OR MODIFICATIONS.`
28			`*/`
29
30			`#ifndef _PPP_DEFS_H_`
31			`#define _PPP_DEFS_H_`
32
33			`/*`
34			`* The basic PPP frame.`
35			`*/`
36			`#define PPP_HDRLEN 4 /* octets for standard ppp header */`
37			`#define PPP_FCSLEN 2 /* octets for FCS */`
38
39			`/*`
40			`* Packet sizes`
41			`*`
42			`* Note - lcp shouldn't be allowed to negotiate stuff outside these`
43			`* limits. See lcp.h in the pppd directory.`
44			`* (XXX - these constants should simply be shared by lcp.c instead`
45			`* of living in lcp.h)`
46			`*/`
47			`#define PPP_MTU 1500 /* Default MTU (size of Info field) */`
48			`#define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN)`
49			`#define PPP_MINMTU 64`
50			`#define PPP_MRU 1500 /* default MRU = max length of info field */`
51			`#define PPP_MAXMRU 65000 /* Largest MRU we allow */`
52			`#define PPP_MINMRU 128`
53
54			`#define PPP_ADDRESS(p) (((u_char *)(p))[0])`
55			`#define PPP_CONTROL(p) (((u_char *)(p))[1])`
56			`#define PPP_PROTOCOL(p) ((((u_char )(p))[2] << 8) + ((u_char )(p))[3])`
57
58			`/*`
59			`* Significant octet values.`
60			`*/`
61			`#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */`
62			`#define PPP_UI 0x03 /* Unnumbered Information */`
63			`#define PPP_FLAG 0x7e /* Flag Sequence */`
64			`#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */`
65			`#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */`
66
67			`/*`
68			`* Protocol field values.`
69			`*/`
70			`#define PPP_IP 0x21 /* Internet Protocol */`
71			`#define PPP_AT 0x29 /* AppleTalk Protocol */`
72			`#define PPP_IPX 0x2b /* IPX protocol */`
73			`#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */`
74			`#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */`
75			`#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */`
76			`#define PPP_COMP 0xfd /* compressed packet */`
77			`#define PPP_IPCP 0x8021 /* IP Control Protocol */`
78			`#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */`
79			`#define PPP_IPXCP 0x802b /* IPX Control Protocol */`
80			`#define PPP_CCP 0x80fd /* Compression Control Protocol */`
81			`#define PPP_LCP 0xc021 /* Link Control Protocol */`
82			`#define PPP_PAP 0xc023 /* Password Authentication Protocol */`
83			`#define PPP_LQR 0xc025 /* Link Quality Report protocol */`
84			`#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */`
85			`#define PPP_CBCP 0xc029 /* Callback Control Protocol */`
86
87			`/*`
88			`* Values for FCS calculations.`
89			`*/`
90			`#define PPP_INITFCS 0xffff /* Initial FCS value */`
91			`#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */`
92			`#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])`
93
94			`/*`
95			`* A 32-bit unsigned integral type.`
96			`*/`
97
98			`#if !defined(__BIT_TYPES_DEFINED__) && !defined(_BITYPES) \`
99			`&& !defined(__FreeBSD__) && (NS_TARGET < 40) && !defined(__rtems__)`
100			`#ifdef UINT32_T`
101			`typedef UINT32_T u_int32_t;`
102			`#else`
103			`typedef unsigned int u_int32_t;`
104			`typedef unsigned short u_int16_t;`
105			`#endif`
106			`#endif`
107
108			`/*`
109			`* Extended asyncmap - allows any character to be escaped.`
110			`*/`
111			`typedef u_int32_t ext_accm[8];`
112
113			`/*`
114			`* What to do with network protocol (NP) packets.`
115			`*/`
116			`enum NPmode {`
117			`NPMODE_PASS, /* pass the packet through */`
118			`NPMODE_DROP, /* silently drop the packet */`
119			`NPMODE_ERROR, /* return an error */`
120			`NPMODE_QUEUE /* save it up for later. */`
121			`};`
122
123			`/*`
124			`* Statistics.`
125			`*/`
126			`struct pppstat {`
127			`unsigned int ppp_ibytes; /* bytes received */`
128			`unsigned int ppp_ipackets; /* packets received */`
129			`unsigned int ppp_ierrors; /* receive errors */`
130			`unsigned int ppp_obytes; /* bytes sent */`
131			`unsigned int ppp_opackets; /* packets sent */`
132			`unsigned int ppp_oerrors; /* transmit errors */`
133			`};`
134
135			`struct vjstat {`
136			`unsigned int vjs_packets; /* outbound packets */`
137			`unsigned int vjs_compressed; /* outbound compressed packets */`
138			`unsigned int vjs_searches; /* searches for connection state */`
139			`unsigned int vjs_misses; /* times couldn't find conn. state */`
140			`unsigned int vjs_uncompressedin; /* inbound uncompressed packets */`
141			`unsigned int vjs_compressedin; /* inbound compressed packets */`
142			`unsigned int vjs_errorin; /* inbound unknown type packets */`
143			`unsigned int vjs_tossed; /* inbound packets tossed because of error */`
144			`};`
145
146			`struct ppp_stats {`
147			`struct pppstat p; /* basic PPP statistics */`
148			`struct vjstat vj; /* VJ header compression statistics */`
149			`};`
150
151			`struct compstat {`
152			`unsigned int unc_bytes; /* total uncompressed bytes */`
153			`unsigned int unc_packets; /* total uncompressed packets */`
154			`unsigned int comp_bytes; /* compressed bytes */`
155			`unsigned int comp_packets; /* compressed packets */`
156			`unsigned int inc_bytes; /* incompressible bytes */`
157			`unsigned int inc_packets; /* incompressible packets */`
158			`unsigned int ratio; /* recent compression ratio << 8 */`
159			`};`
160
161			`struct ppp_comp_stats {`
162			`struct compstat c; /* packet compression statistics */`
163			`struct compstat d; /* packet decompression statistics */`
164			`};`
165
166			`/*`
167			`* The following structure records the time in seconds since`
168			`* the last NP packet was sent or received.`
169			`*/`
170			`struct ppp_idle {`
171			`time_t xmit_idle; /* time since last NP packet sent */`
172			`time_t recv_idle; /* time since last NP packet received */`
173			`};`
174
175			`#ifndef __P`
176			`#ifdef __STDC__`
177			`#define __P(x) x`
178			`#else`
179			`#define __P(x) ()`
180			`#endif`
181			`#endif`
182
183			`#endif /* _PPP_DEFS_H_ */`

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[/] [or1k/] [trunk/] [rtems/] [c/] [src/] [libnetworking/] [net/] [ppp_defs.h] - Blame information for rev 208