| 1 |
786 |
skrzyp |
//==========================================================================
|
| 2 |
|
|
//
|
| 3 |
|
|
// include/lcp.h
|
| 4 |
|
|
//
|
| 5 |
|
|
//==========================================================================
|
| 6 |
|
|
// ####ECOSGPLCOPYRIGHTBEGIN####
|
| 7 |
|
|
// -------------------------------------------
|
| 8 |
|
|
// This file is part of eCos, the Embedded Configurable Operating System.
|
| 9 |
|
|
// Copyright (C) 2003 Free Software Foundation, Inc.
|
| 10 |
|
|
//
|
| 11 |
|
|
// eCos is free software; you can redistribute it and/or modify it under
|
| 12 |
|
|
// the terms of the GNU General Public License as published by the Free
|
| 13 |
|
|
// Software Foundation; either version 2 or (at your option) any later
|
| 14 |
|
|
// version.
|
| 15 |
|
|
//
|
| 16 |
|
|
// eCos is distributed in the hope that it will be useful, but WITHOUT
|
| 17 |
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 18 |
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
| 19 |
|
|
// for more details.
|
| 20 |
|
|
//
|
| 21 |
|
|
// You should have received a copy of the GNU General Public License
|
| 22 |
|
|
// along with eCos; if not, write to the Free Software Foundation, Inc.,
|
| 23 |
|
|
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
| 24 |
|
|
//
|
| 25 |
|
|
// As a special exception, if other files instantiate templates or use
|
| 26 |
|
|
// macros or inline functions from this file, or you compile this file
|
| 27 |
|
|
// and link it with other works to produce a work based on this file,
|
| 28 |
|
|
// this file does not by itself cause the resulting work to be covered by
|
| 29 |
|
|
// the GNU General Public License. However the source code for this file
|
| 30 |
|
|
// must still be made available in accordance with section (3) of the GNU
|
| 31 |
|
|
// General Public License v2.
|
| 32 |
|
|
//
|
| 33 |
|
|
// This exception does not invalidate any other reasons why a work based
|
| 34 |
|
|
// on this file might be covered by the GNU General Public License.
|
| 35 |
|
|
// -------------------------------------------
|
| 36 |
|
|
// ####ECOSGPLCOPYRIGHTEND####
|
| 37 |
|
|
// ####BSDALTCOPYRIGHTBEGIN####
|
| 38 |
|
|
// -------------------------------------------
|
| 39 |
|
|
// Portions of this software may have been derived from FreeBSD, OpenBSD,
|
| 40 |
|
|
// or other sources, and if so are covered by the appropriate copyright
|
| 41 |
|
|
// and license included herein.
|
| 42 |
|
|
// -------------------------------------------
|
| 43 |
|
|
// ####BSDALTCOPYRIGHTEND####
|
| 44 |
|
|
//==========================================================================
|
| 45 |
|
|
|
| 46 |
|
|
/*
|
| 47 |
|
|
* lcp.h - Link Control Protocol definitions.
|
| 48 |
|
|
*
|
| 49 |
|
|
* Copyright (c) 1989 Carnegie Mellon University.
|
| 50 |
|
|
* All rights reserved.
|
| 51 |
|
|
*
|
| 52 |
|
|
* Redistribution and use in source and binary forms are permitted
|
| 53 |
|
|
* provided that the above copyright notice and this paragraph are
|
| 54 |
|
|
* duplicated in all such forms and that any documentation,
|
| 55 |
|
|
* advertising materials, and other materials related to such
|
| 56 |
|
|
* distribution and use acknowledge that the software was developed
|
| 57 |
|
|
* by Carnegie Mellon University. The name of the
|
| 58 |
|
|
* University may not be used to endorse or promote products derived
|
| 59 |
|
|
* from this software without specific prior written permission.
|
| 60 |
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
| 61 |
|
|
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
| 62 |
|
|
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
| 63 |
|
|
*
|
| 64 |
|
|
* $FreeBSD: src/usr.sbin/pppd/lcp.h,v 1.7 1999/08/28 01:19:05 peter Exp $
|
| 65 |
|
|
*/
|
| 66 |
|
|
|
| 67 |
|
|
/*
|
| 68 |
|
|
* Options.
|
| 69 |
|
|
*/
|
| 70 |
|
|
#define CI_MRU 1 /* Maximum Receive Unit */
|
| 71 |
|
|
#define CI_ASYNCMAP 2 /* Async Control Character Map */
|
| 72 |
|
|
#define CI_AUTHTYPE 3 /* Authentication Type */
|
| 73 |
|
|
#define CI_QUALITY 4 /* Quality Protocol */
|
| 74 |
|
|
#define CI_MAGICNUMBER 5 /* Magic Number */
|
| 75 |
|
|
#define CI_PCOMPRESSION 7 /* Protocol Field Compression */
|
| 76 |
|
|
#define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
|
| 77 |
|
|
#define CI_CALLBACK 13 /* callback */
|
| 78 |
|
|
|
| 79 |
|
|
/*
|
| 80 |
|
|
* LCP-specific packet types.
|
| 81 |
|
|
*/
|
| 82 |
|
|
#define PROTREJ 8 /* Protocol Reject */
|
| 83 |
|
|
#define ECHOREQ 9 /* Echo Request */
|
| 84 |
|
|
#define ECHOREP 10 /* Echo Reply */
|
| 85 |
|
|
#define DISCREQ 11 /* Discard Request */
|
| 86 |
|
|
#define CBCP_OPT 6 /* Use callback control protocol */
|
| 87 |
|
|
|
| 88 |
|
|
/*
|
| 89 |
|
|
* The state of options is described by an lcp_options structure.
|
| 90 |
|
|
*/
|
| 91 |
|
|
typedef struct lcp_options {
|
| 92 |
|
|
int passive : 1; /* Don't die if we don't get a response */
|
| 93 |
|
|
int silent : 1; /* Wait for the other end to start first */
|
| 94 |
|
|
int restart : 1; /* Restart vs. exit after close */
|
| 95 |
|
|
int neg_mru : 1; /* Negotiate the MRU? */
|
| 96 |
|
|
int neg_asyncmap : 1; /* Negotiate the async map? */
|
| 97 |
|
|
int neg_upap : 1; /* Ask for UPAP authentication? */
|
| 98 |
|
|
int neg_chap : 1; /* Ask for CHAP authentication? */
|
| 99 |
|
|
int neg_magicnumber : 1; /* Ask for magic number? */
|
| 100 |
|
|
int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
|
| 101 |
|
|
int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
|
| 102 |
|
|
int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
|
| 103 |
|
|
int neg_cbcp : 1; /* Negotiate use of CBCP */
|
| 104 |
|
|
u_short mru; /* Value of MRU */
|
| 105 |
|
|
u_char chap_mdtype; /* which MD type (hashing algorithm) */
|
| 106 |
|
|
u_int32_t asyncmap; /* Value of async map */
|
| 107 |
|
|
u_int32_t magicnumber;
|
| 108 |
|
|
int numloops; /* Number of loops during magic number neg. */
|
| 109 |
|
|
u_int32_t lqr_period; /* Reporting period for LQR 1/100ths second */
|
| 110 |
|
|
} lcp_options;
|
| 111 |
|
|
|
| 112 |
|
|
extern fsm lcp_fsm[];
|
| 113 |
|
|
extern lcp_options lcp_wantoptions[];
|
| 114 |
|
|
extern lcp_options lcp_gotoptions[];
|
| 115 |
|
|
extern lcp_options lcp_allowoptions[];
|
| 116 |
|
|
extern lcp_options lcp_hisoptions[];
|
| 117 |
|
|
extern u_int32_t xmit_accm[][8];
|
| 118 |
|
|
|
| 119 |
|
|
#define DEFMRU 1500 /* Try for this */
|
| 120 |
|
|
#define MINMRU 128 /* No MRUs below this */
|
| 121 |
|
|
#define MAXMRU 16384 /* Normally limit MRU to this */
|
| 122 |
|
|
|
| 123 |
|
|
void lcp_open __P((int));
|
| 124 |
|
|
void lcp_close __P((int, char *));
|
| 125 |
|
|
void lcp_lowerup __P((int));
|
| 126 |
|
|
void lcp_lowerdown __P((int));
|
| 127 |
|
|
void lcp_sprotrej __P((int, u_char *, int)); /* send protocol reject */
|
| 128 |
|
|
|
| 129 |
|
|
extern struct protent lcp_protent;
|
| 130 |
|
|
|
| 131 |
|
|
/* Default number of times we receive our magic number from the peer
|
| 132 |
|
|
before deciding the link is looped-back. */
|
| 133 |
|
|
#define DEFLOOPBACKFAIL 10
|
