Dependencies:   mbed

Committer:
slowness
Date:
Tue Sep 06 18:10:36 2011 +0000
Revision:
0:cd4c47744fa1

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
slowness 0:cd4c47744fa1 1 /*****************************************************************************
slowness 0:cd4c47744fa1 2 * lcp.h - Network Link Control Protocol header file.
slowness 0:cd4c47744fa1 3 *
slowness 0:cd4c47744fa1 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
slowness 0:cd4c47744fa1 5 * portions Copyright (c) 1997 Global Election Systems Inc.
slowness 0:cd4c47744fa1 6 *
slowness 0:cd4c47744fa1 7 * The authors hereby grant permission to use, copy, modify, distribute,
slowness 0:cd4c47744fa1 8 * and license this software and its documentation for any purpose, provided
slowness 0:cd4c47744fa1 9 * that existing copyright notices are retained in all copies and that this
slowness 0:cd4c47744fa1 10 * notice and the following disclaimer are included verbatim in any
slowness 0:cd4c47744fa1 11 * distributions. No written agreement, license, or royalty fee is required
slowness 0:cd4c47744fa1 12 * for any of the authorized uses.
slowness 0:cd4c47744fa1 13 *
slowness 0:cd4c47744fa1 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
slowness 0:cd4c47744fa1 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
slowness 0:cd4c47744fa1 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
slowness 0:cd4c47744fa1 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
slowness 0:cd4c47744fa1 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
slowness 0:cd4c47744fa1 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
slowness 0:cd4c47744fa1 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
slowness 0:cd4c47744fa1 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
slowness 0:cd4c47744fa1 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
slowness 0:cd4c47744fa1 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
slowness 0:cd4c47744fa1 24 *
slowness 0:cd4c47744fa1 25 ******************************************************************************
slowness 0:cd4c47744fa1 26 * REVISION HISTORY
slowness 0:cd4c47744fa1 27 *
slowness 0:cd4c47744fa1 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
slowness 0:cd4c47744fa1 29 * Ported to lwIP.
slowness 0:cd4c47744fa1 30 * 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
slowness 0:cd4c47744fa1 31 * Original derived from BSD codes.
slowness 0:cd4c47744fa1 32 *****************************************************************************/
slowness 0:cd4c47744fa1 33 /*
slowness 0:cd4c47744fa1 34 * lcp.h - Link Control Protocol definitions.
slowness 0:cd4c47744fa1 35 *
slowness 0:cd4c47744fa1 36 * Copyright (c) 1989 Carnegie Mellon University.
slowness 0:cd4c47744fa1 37 * All rights reserved.
slowness 0:cd4c47744fa1 38 *
slowness 0:cd4c47744fa1 39 * Redistribution and use in source and binary forms are permitted
slowness 0:cd4c47744fa1 40 * provided that the above copyright notice and this paragraph are
slowness 0:cd4c47744fa1 41 * duplicated in all such forms and that any documentation,
slowness 0:cd4c47744fa1 42 * advertising materials, and other materials related to such
slowness 0:cd4c47744fa1 43 * distribution and use acknowledge that the software was developed
slowness 0:cd4c47744fa1 44 * by Carnegie Mellon University. The name of the
slowness 0:cd4c47744fa1 45 * University may not be used to endorse or promote products derived
slowness 0:cd4c47744fa1 46 * from this software without specific prior written permission.
slowness 0:cd4c47744fa1 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
slowness 0:cd4c47744fa1 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
slowness 0:cd4c47744fa1 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
slowness 0:cd4c47744fa1 50 *
slowness 0:cd4c47744fa1 51 * $Id: lcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
slowness 0:cd4c47744fa1 52 */
slowness 0:cd4c47744fa1 53
slowness 0:cd4c47744fa1 54 #ifndef LCP_H
slowness 0:cd4c47744fa1 55 #define LCP_H
slowness 0:cd4c47744fa1 56 /*
slowness 0:cd4c47744fa1 57 * Options.
slowness 0:cd4c47744fa1 58 */
slowness 0:cd4c47744fa1 59 #define CI_MRU 1 /* Maximum Receive Unit */
slowness 0:cd4c47744fa1 60 #define CI_ASYNCMAP 2 /* Async Control Character Map */
slowness 0:cd4c47744fa1 61 #define CI_AUTHTYPE 3 /* Authentication Type */
slowness 0:cd4c47744fa1 62 #define CI_QUALITY 4 /* Quality Protocol */
slowness 0:cd4c47744fa1 63 #define CI_MAGICNUMBER 5 /* Magic Number */
slowness 0:cd4c47744fa1 64 #define CI_PCOMPRESSION 7 /* Protocol Field Compression */
slowness 0:cd4c47744fa1 65 #define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
slowness 0:cd4c47744fa1 66 #define CI_CALLBACK 13 /* callback */
slowness 0:cd4c47744fa1 67 #define CI_MRRU 17 /* max reconstructed receive unit; multilink */
slowness 0:cd4c47744fa1 68 #define CI_SSNHF 18 /* short sequence numbers for multilink */
slowness 0:cd4c47744fa1 69 #define CI_EPDISC 19 /* endpoint discriminator */
slowness 0:cd4c47744fa1 70
slowness 0:cd4c47744fa1 71 /*
slowness 0:cd4c47744fa1 72 * LCP-specific packet types (code numbers).
slowness 0:cd4c47744fa1 73 */
slowness 0:cd4c47744fa1 74 #define PROTREJ 8 /* Protocol Reject */
slowness 0:cd4c47744fa1 75 #define ECHOREQ 9 /* Echo Request */
slowness 0:cd4c47744fa1 76 #define ECHOREP 10 /* Echo Reply */
slowness 0:cd4c47744fa1 77 #define DISCREQ 11 /* Discard Request */
slowness 0:cd4c47744fa1 78 #define CBCP_OPT 6 /* Use callback control protocol */
slowness 0:cd4c47744fa1 79
slowness 0:cd4c47744fa1 80 /*
slowness 0:cd4c47744fa1 81 * The state of options is described by an lcp_options structure.
slowness 0:cd4c47744fa1 82 */
slowness 0:cd4c47744fa1 83 typedef struct lcp_options {
slowness 0:cd4c47744fa1 84 u_int passive : 1; /* Don't die if we don't get a response */
slowness 0:cd4c47744fa1 85 u_int silent : 1; /* Wait for the other end to start first */
slowness 0:cd4c47744fa1 86 u_int restart : 1; /* Restart vs. exit after close */
slowness 0:cd4c47744fa1 87 u_int neg_mru : 1; /* Negotiate the MRU? */
slowness 0:cd4c47744fa1 88 u_int neg_asyncmap : 1; /* Negotiate the async map? */
slowness 0:cd4c47744fa1 89 u_int neg_upap : 1; /* Ask for UPAP authentication? */
slowness 0:cd4c47744fa1 90 u_int neg_chap : 1; /* Ask for CHAP authentication? */
slowness 0:cd4c47744fa1 91 u_int neg_magicnumber : 1; /* Ask for magic number? */
slowness 0:cd4c47744fa1 92 u_int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
slowness 0:cd4c47744fa1 93 u_int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
slowness 0:cd4c47744fa1 94 u_int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
slowness 0:cd4c47744fa1 95 u_int neg_cbcp : 1; /* Negotiate use of CBCP */
slowness 0:cd4c47744fa1 96 #ifdef PPP_MULTILINK
slowness 0:cd4c47744fa1 97 u_int neg_mrru : 1; /* Negotiate multilink MRRU */
slowness 0:cd4c47744fa1 98 u_int neg_ssnhf : 1; /* Negotiate short sequence numbers */
slowness 0:cd4c47744fa1 99 u_int neg_endpoint : 1; /* Negotiate endpoint discriminator */
slowness 0:cd4c47744fa1 100 #endif
slowness 0:cd4c47744fa1 101 u_short mru; /* Value of MRU */
slowness 0:cd4c47744fa1 102 #ifdef PPP_MULTILINK
slowness 0:cd4c47744fa1 103 u_short mrru; /* Value of MRRU, and multilink enable */
slowness 0:cd4c47744fa1 104 #endif
slowness 0:cd4c47744fa1 105 u_char chap_mdtype; /* which MD type (hashing algorithm) */
slowness 0:cd4c47744fa1 106 u32_t asyncmap; /* Value of async map */
slowness 0:cd4c47744fa1 107 u32_t magicnumber;
slowness 0:cd4c47744fa1 108 int numloops; /* Number of loops during magic number neg. */
slowness 0:cd4c47744fa1 109 u32_t lqr_period; /* Reporting period for LQR 1/100ths second */
slowness 0:cd4c47744fa1 110 #ifdef PPP_MULTILINK
slowness 0:cd4c47744fa1 111 struct epdisc endpoint; /* endpoint discriminator */
slowness 0:cd4c47744fa1 112 #endif
slowness 0:cd4c47744fa1 113 } lcp_options;
slowness 0:cd4c47744fa1 114
slowness 0:cd4c47744fa1 115 /*
slowness 0:cd4c47744fa1 116 * Values for phase from BSD pppd.h based on RFC 1661.
slowness 0:cd4c47744fa1 117 */
slowness 0:cd4c47744fa1 118 typedef enum {
slowness 0:cd4c47744fa1 119 PHASE_DEAD = 0,
slowness 0:cd4c47744fa1 120 PHASE_INITIALIZE,
slowness 0:cd4c47744fa1 121 PHASE_ESTABLISH,
slowness 0:cd4c47744fa1 122 PHASE_AUTHENTICATE,
slowness 0:cd4c47744fa1 123 PHASE_CALLBACK,
slowness 0:cd4c47744fa1 124 PHASE_NETWORK,
slowness 0:cd4c47744fa1 125 PHASE_TERMINATE
slowness 0:cd4c47744fa1 126 } LinkPhase;
slowness 0:cd4c47744fa1 127
slowness 0:cd4c47744fa1 128
slowness 0:cd4c47744fa1 129
slowness 0:cd4c47744fa1 130 extern LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
slowness 0:cd4c47744fa1 131 extern lcp_options lcp_wantoptions[];
slowness 0:cd4c47744fa1 132 extern lcp_options lcp_gotoptions[];
slowness 0:cd4c47744fa1 133 extern lcp_options lcp_allowoptions[];
slowness 0:cd4c47744fa1 134 extern lcp_options lcp_hisoptions[];
slowness 0:cd4c47744fa1 135 extern ext_accm xmit_accm[];
slowness 0:cd4c47744fa1 136
slowness 0:cd4c47744fa1 137
slowness 0:cd4c47744fa1 138 void lcp_init (int);
slowness 0:cd4c47744fa1 139 void lcp_open (int);
slowness 0:cd4c47744fa1 140 void lcp_close (int, char *);
slowness 0:cd4c47744fa1 141 void lcp_lowerup (int);
slowness 0:cd4c47744fa1 142 void lcp_lowerdown(int);
slowness 0:cd4c47744fa1 143 void lcp_sprotrej (int, u_char *, int); /* send protocol reject */
slowness 0:cd4c47744fa1 144
slowness 0:cd4c47744fa1 145 extern struct protent lcp_protent;
slowness 0:cd4c47744fa1 146
slowness 0:cd4c47744fa1 147 /* Default number of times we receive our magic number from the peer
slowness 0:cd4c47744fa1 148 before deciding the link is looped-back. */
slowness 0:cd4c47744fa1 149 #define DEFLOOPBACKFAIL 10
slowness 0:cd4c47744fa1 150
slowness 0:cd4c47744fa1 151 #endif /* LCP_H */