source: rtems/cpukit/pppd/lcp.h @ 0173ab8

4.104.114.84.9
Last change on this file since 0173ab8 was d0950ad, checked in by Joel Sherrill <joel.sherrill@…>, on Nov 30, 1999 at 10:12:50 PM

Added port of ppp-2.3.5 from Tomasz Domin <dot@…> of ComArch? SA.
Tomasz only tested this on the mpc823.

The official site for the original source for this PPP implementation is:

ftp://cs.anu.edu.au/pub/software/ppp

NOTE: As of 11/30/1999, the current version of this source is 2.3.10.

  • Property mode set to 100644
File size: 3.3 KB
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1/*
2 * lcp.h - Link Control Protocol definitions.
3 *
4 * Copyright (c) 1989 Carnegie Mellon University.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms are permitted
8 * provided that the above copyright notice and this paragraph are
9 * duplicated in all such forms and that any documentation,
10 * advertising materials, and other materials related to such
11 * distribution and use acknowledge that the software was developed
12 * by Carnegie Mellon University.  The name of the
13 * University may not be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * $Id$
20 */
21
22/*
23 * Options.
24 */
25#define CI_MRU          1       /* Maximum Receive Unit */
26#define CI_ASYNCMAP     2       /* Async Control Character Map */
27#define CI_AUTHTYPE     3       /* Authentication Type */
28#define CI_QUALITY      4       /* Quality Protocol */
29#define CI_MAGICNUMBER  5       /* Magic Number */
30#define CI_PCOMPRESSION 7       /* Protocol Field Compression */
31#define CI_ACCOMPRESSION 8      /* Address/Control Field Compression */
32#define CI_CALLBACK     13      /* callback */
33
34/*
35 * LCP-specific packet types.
36 */
37#define PROTREJ         8       /* Protocol Reject */
38#define ECHOREQ         9       /* Echo Request */
39#define ECHOREP         10      /* Echo Reply */
40#define DISCREQ         11      /* Discard Request */
41#define CBCP_OPT        6       /* Use callback control protocol */
42
43/*
44 * The state of options is described by an lcp_options structure.
45 */
46typedef struct lcp_options {
47    int passive : 1;            /* Don't die if we don't get a response */
48    int silent : 1;             /* Wait for the other end to start first */
49    int restart : 1;            /* Restart vs. exit after close */
50    int neg_mru : 1;            /* Negotiate the MRU? */
51    int neg_asyncmap : 1;       /* Negotiate the async map? */
52    int neg_upap : 1;           /* Ask for UPAP authentication? */
53    int neg_chap : 1;           /* Ask for CHAP authentication? */
54    int neg_magicnumber : 1;    /* Ask for magic number? */
55    int neg_pcompression : 1;   /* HDLC Protocol Field Compression? */
56    int neg_accompression : 1;  /* HDLC Address/Control Field Compression? */
57    int neg_lqr : 1;            /* Negotiate use of Link Quality Reports */
58    int neg_cbcp : 1;           /* Negotiate use of CBCP */
59    u_short mru;                /* Value of MRU */
60    u_char chap_mdtype;         /* which MD type (hashing algorithm) */
61    u_int32_t asyncmap;         /* Value of async map */
62    u_int32_t magicnumber;
63    int numloops;               /* Number of loops during magic number neg. */
64    u_int32_t lqr_period;       /* Reporting period for LQR 1/100ths second */
65} lcp_options;
66
67extern fsm lcp_fsm[];
68extern lcp_options lcp_wantoptions[];
69extern lcp_options lcp_gotoptions[];
70extern lcp_options lcp_allowoptions[];
71extern lcp_options lcp_hisoptions[];
72extern u_int32_t xmit_accm[][8];
73
74#define DEFMRU  1500            /* Try for this */
75#define MINMRU  128             /* No MRUs below this */
76#define MAXMRU  16384           /* Normally limit MRU to this */
77
78void lcp_open __P((int));
79void lcp_close __P((int, char *));
80void lcp_lowerup __P((int));
81void lcp_lowerdown __P((int));
82void lcp_sprotrej __P((int, u_char *, int));    /* send protocol reject */
83
84extern struct protent lcp_protent;
85
86/* Default number of times we receive our magic number from the peer
87   before deciding the link is looped-back. */
88#define DEFLOOPBACKFAIL 10
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