Dependencies:   mbed

Committer:
gbeardall
Date:
Mon Oct 17 10:39:17 2011 +0000
Revision:
0:715023d993d6

        

Who changed what in which revision?

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gbeardall 0:715023d993d6 1 /*****************************************************************************
gbeardall 0:715023d993d6 2 * lcp.h - Network Link Control Protocol header file.
gbeardall 0:715023d993d6 3 *
gbeardall 0:715023d993d6 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
gbeardall 0:715023d993d6 5 * portions Copyright (c) 1997 Global Election Systems Inc.
gbeardall 0:715023d993d6 6 *
gbeardall 0:715023d993d6 7 * The authors hereby grant permission to use, copy, modify, distribute,
gbeardall 0:715023d993d6 8 * and license this software and its documentation for any purpose, provided
gbeardall 0:715023d993d6 9 * that existing copyright notices are retained in all copies and that this
gbeardall 0:715023d993d6 10 * notice and the following disclaimer are included verbatim in any
gbeardall 0:715023d993d6 11 * distributions. No written agreement, license, or royalty fee is required
gbeardall 0:715023d993d6 12 * for any of the authorized uses.
gbeardall 0:715023d993d6 13 *
gbeardall 0:715023d993d6 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
gbeardall 0:715023d993d6 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
gbeardall 0:715023d993d6 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
gbeardall 0:715023d993d6 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
gbeardall 0:715023d993d6 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
gbeardall 0:715023d993d6 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
gbeardall 0:715023d993d6 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
gbeardall 0:715023d993d6 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
gbeardall 0:715023d993d6 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
gbeardall 0:715023d993d6 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
gbeardall 0:715023d993d6 24 *
gbeardall 0:715023d993d6 25 ******************************************************************************
gbeardall 0:715023d993d6 26 * REVISION HISTORY
gbeardall 0:715023d993d6 27 *
gbeardall 0:715023d993d6 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
gbeardall 0:715023d993d6 29 * Ported to lwIP.
gbeardall 0:715023d993d6 30 * 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
gbeardall 0:715023d993d6 31 * Original derived from BSD codes.
gbeardall 0:715023d993d6 32 *****************************************************************************/
gbeardall 0:715023d993d6 33 /*
gbeardall 0:715023d993d6 34 * lcp.h - Link Control Protocol definitions.
gbeardall 0:715023d993d6 35 *
gbeardall 0:715023d993d6 36 * Copyright (c) 1989 Carnegie Mellon University.
gbeardall 0:715023d993d6 37 * All rights reserved.
gbeardall 0:715023d993d6 38 *
gbeardall 0:715023d993d6 39 * Redistribution and use in source and binary forms are permitted
gbeardall 0:715023d993d6 40 * provided that the above copyright notice and this paragraph are
gbeardall 0:715023d993d6 41 * duplicated in all such forms and that any documentation,
gbeardall 0:715023d993d6 42 * advertising materials, and other materials related to such
gbeardall 0:715023d993d6 43 * distribution and use acknowledge that the software was developed
gbeardall 0:715023d993d6 44 * by Carnegie Mellon University. The name of the
gbeardall 0:715023d993d6 45 * University may not be used to endorse or promote products derived
gbeardall 0:715023d993d6 46 * from this software without specific prior written permission.
gbeardall 0:715023d993d6 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
gbeardall 0:715023d993d6 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
gbeardall 0:715023d993d6 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
gbeardall 0:715023d993d6 50 *
gbeardall 0:715023d993d6 51 * $Id: lcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
gbeardall 0:715023d993d6 52 */
gbeardall 0:715023d993d6 53
gbeardall 0:715023d993d6 54 #ifndef LCP_H
gbeardall 0:715023d993d6 55 #define LCP_H
gbeardall 0:715023d993d6 56 /*
gbeardall 0:715023d993d6 57 * Options.
gbeardall 0:715023d993d6 58 */
gbeardall 0:715023d993d6 59 #define CI_MRU 1 /* Maximum Receive Unit */
gbeardall 0:715023d993d6 60 #define CI_ASYNCMAP 2 /* Async Control Character Map */
gbeardall 0:715023d993d6 61 #define CI_AUTHTYPE 3 /* Authentication Type */
gbeardall 0:715023d993d6 62 #define CI_QUALITY 4 /* Quality Protocol */
gbeardall 0:715023d993d6 63 #define CI_MAGICNUMBER 5 /* Magic Number */
gbeardall 0:715023d993d6 64 #define CI_PCOMPRESSION 7 /* Protocol Field Compression */
gbeardall 0:715023d993d6 65 #define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
gbeardall 0:715023d993d6 66 #define CI_CALLBACK 13 /* callback */
gbeardall 0:715023d993d6 67 #define CI_MRRU 17 /* max reconstructed receive unit; multilink */
gbeardall 0:715023d993d6 68 #define CI_SSNHF 18 /* short sequence numbers for multilink */
gbeardall 0:715023d993d6 69 #define CI_EPDISC 19 /* endpoint discriminator */
gbeardall 0:715023d993d6 70
gbeardall 0:715023d993d6 71 /*
gbeardall 0:715023d993d6 72 * LCP-specific packet types (code numbers).
gbeardall 0:715023d993d6 73 */
gbeardall 0:715023d993d6 74 #define PROTREJ 8 /* Protocol Reject */
gbeardall 0:715023d993d6 75 #define ECHOREQ 9 /* Echo Request */
gbeardall 0:715023d993d6 76 #define ECHOREP 10 /* Echo Reply */
gbeardall 0:715023d993d6 77 #define DISCREQ 11 /* Discard Request */
gbeardall 0:715023d993d6 78 #define CBCP_OPT 6 /* Use callback control protocol */
gbeardall 0:715023d993d6 79
gbeardall 0:715023d993d6 80 /*
gbeardall 0:715023d993d6 81 * The state of options is described by an lcp_options structure.
gbeardall 0:715023d993d6 82 */
gbeardall 0:715023d993d6 83 typedef struct lcp_options {
gbeardall 0:715023d993d6 84 u_int passive : 1; /* Don't die if we don't get a response */
gbeardall 0:715023d993d6 85 u_int silent : 1; /* Wait for the other end to start first */
gbeardall 0:715023d993d6 86 u_int restart : 1; /* Restart vs. exit after close */
gbeardall 0:715023d993d6 87 u_int neg_mru : 1; /* Negotiate the MRU? */
gbeardall 0:715023d993d6 88 u_int neg_asyncmap : 1; /* Negotiate the async map? */
gbeardall 0:715023d993d6 89 u_int neg_upap : 1; /* Ask for UPAP authentication? */
gbeardall 0:715023d993d6 90 u_int neg_chap : 1; /* Ask for CHAP authentication? */
gbeardall 0:715023d993d6 91 u_int neg_magicnumber : 1; /* Ask for magic number? */
gbeardall 0:715023d993d6 92 u_int neg_pcompression : 1; /* HDLC Protocol Field Compression? */
gbeardall 0:715023d993d6 93 u_int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
gbeardall 0:715023d993d6 94 u_int neg_lqr : 1; /* Negotiate use of Link Quality Reports */
gbeardall 0:715023d993d6 95 u_int neg_cbcp : 1; /* Negotiate use of CBCP */
gbeardall 0:715023d993d6 96 #ifdef PPP_MULTILINK
gbeardall 0:715023d993d6 97 u_int neg_mrru : 1; /* Negotiate multilink MRRU */
gbeardall 0:715023d993d6 98 u_int neg_ssnhf : 1; /* Negotiate short sequence numbers */
gbeardall 0:715023d993d6 99 u_int neg_endpoint : 1; /* Negotiate endpoint discriminator */
gbeardall 0:715023d993d6 100 #endif
gbeardall 0:715023d993d6 101 u_short mru; /* Value of MRU */
gbeardall 0:715023d993d6 102 #ifdef PPP_MULTILINK
gbeardall 0:715023d993d6 103 u_short mrru; /* Value of MRRU, and multilink enable */
gbeardall 0:715023d993d6 104 #endif
gbeardall 0:715023d993d6 105 u_char chap_mdtype; /* which MD type (hashing algorithm) */
gbeardall 0:715023d993d6 106 u32_t asyncmap; /* Value of async map */
gbeardall 0:715023d993d6 107 u32_t magicnumber;
gbeardall 0:715023d993d6 108 int numloops; /* Number of loops during magic number neg. */
gbeardall 0:715023d993d6 109 u32_t lqr_period; /* Reporting period for LQR 1/100ths second */
gbeardall 0:715023d993d6 110 #ifdef PPP_MULTILINK
gbeardall 0:715023d993d6 111 struct epdisc endpoint; /* endpoint discriminator */
gbeardall 0:715023d993d6 112 #endif
gbeardall 0:715023d993d6 113 } lcp_options;
gbeardall 0:715023d993d6 114
gbeardall 0:715023d993d6 115 /*
gbeardall 0:715023d993d6 116 * Values for phase from BSD pppd.h based on RFC 1661.
gbeardall 0:715023d993d6 117 */
gbeardall 0:715023d993d6 118 typedef enum {
gbeardall 0:715023d993d6 119 PHASE_DEAD = 0,
gbeardall 0:715023d993d6 120 PHASE_INITIALIZE,
gbeardall 0:715023d993d6 121 PHASE_ESTABLISH,
gbeardall 0:715023d993d6 122 PHASE_AUTHENTICATE,
gbeardall 0:715023d993d6 123 PHASE_CALLBACK,
gbeardall 0:715023d993d6 124 PHASE_NETWORK,
gbeardall 0:715023d993d6 125 PHASE_TERMINATE
gbeardall 0:715023d993d6 126 } LinkPhase;
gbeardall 0:715023d993d6 127
gbeardall 0:715023d993d6 128
gbeardall 0:715023d993d6 129
gbeardall 0:715023d993d6 130 extern LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
gbeardall 0:715023d993d6 131 extern lcp_options lcp_wantoptions[];
gbeardall 0:715023d993d6 132 extern lcp_options lcp_gotoptions[];
gbeardall 0:715023d993d6 133 extern lcp_options lcp_allowoptions[];
gbeardall 0:715023d993d6 134 extern lcp_options lcp_hisoptions[];
gbeardall 0:715023d993d6 135 extern ext_accm xmit_accm[];
gbeardall 0:715023d993d6 136
gbeardall 0:715023d993d6 137
gbeardall 0:715023d993d6 138 void lcp_init (int);
gbeardall 0:715023d993d6 139 void lcp_open (int);
gbeardall 0:715023d993d6 140 void lcp_close (int, char *);
gbeardall 0:715023d993d6 141 void lcp_lowerup (int);
gbeardall 0:715023d993d6 142 void lcp_lowerdown(int);
gbeardall 0:715023d993d6 143 void lcp_sprotrej (int, u_char *, int); /* send protocol reject */
gbeardall 0:715023d993d6 144
gbeardall 0:715023d993d6 145 extern struct protent lcp_protent;
gbeardall 0:715023d993d6 146
gbeardall 0:715023d993d6 147 /* Default number of times we receive our magic number from the peer
gbeardall 0:715023d993d6 148 before deciding the link is looped-back. */
gbeardall 0:715023d993d6 149 #define DEFLOOPBACKFAIL 10
gbeardall 0:715023d993d6 150
gbeardall 0:715023d993d6 151 #endif /* LCP_H */