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Annotation of embedaddon/mpd/src/lcp.h, revision 1.1.1.2

1.1       misho       1: 
                      2: /*
                      3:  * lcp.h
                      4:  *
                      5:  * Written by Toshiharu OHNO <tony-o@iij.ad.jp>
                      6:  * Copyright (c) 1993, Internet Initiative Japan, Inc. All rights reserved.
                      7:  * See ``COPYRIGHT.iij''
                      8:  * 
                      9:  * Rewritten by Archie Cobbs <archie@freebsd.org>
                     10:  * Copyright (c) 1995-1999 Whistle Communications, Inc. All rights reserved.
                     11:  * See ``COPYRIGHT.whistle''
                     12:  */
                     13: 
                     14: #ifndef _LCP_H_
                     15: #define _LCP_H_
                     16: 
                     17: #include "fsm.h"
                     18: #include "timer.h"
                     19: #include "auth.h"
                     20: 
                     21: /*
                     22:  * DEFINITIONS
                     23:  */
                     24: 
                     25:   /* MRU defs */
                     26:   #define LCP_DEFAULT_MRU      1500    /* Per RFC 1661 */
                     27:   #define LCP_MIN_MRU          296
                     28: 
                     29:   #define LCP_NUM_AUTH_PROTOS  5
                     30: 
                     31:   struct lcpauthproto {
                     32:     ushort             proto;
                     33:     u_char             alg;
                     34:     u_char             conf;
                     35:   };
                     36:   typedef struct lcpauthproto  *LcpAuthProto;
                     37: 
                     38:     enum lcp_phase {
                     39:        PHASE_DEAD = 0,
                     40:        PHASE_ESTABLISH,
                     41:        PHASE_AUTHENTICATE,
                     42:        PHASE_NETWORK,
                     43:        PHASE_TERMINATE
                     44:     };
                     45: 
                     46:   /* Link state */
                     47:   struct lcpstate {
                     48: 
                     49:     /* LCP phase of this link */
                     50:     enum lcp_phase     phase;          /* PPP phase */
                     51: 
                     52:     /* Authorization info */
                     53:     struct auth        auth;                   /* Used during authorization phase */
                     54: 
                     55:     /* Peers negotiated parameters */
                     56:     LcpAuthProto       peer_protos[LCP_NUM_AUTH_PROTOS];       /* list of acceptable auth-protos */
                     57:     u_int32_t  peer_accmap;            /* Characters peer needs escaped */
                     58:     u_int32_t  peer_magic;             /* Peer's magic number */
                     59:     u_int16_t  peer_mru;               /* Peer's max reception packet size */
                     60:     u_int16_t  peer_auth;              /* Auth requested by peer, or zero */
                     61:     u_int16_t  peer_mrru;              /* MRRU set by peer, or zero */
                     62:     u_char     peer_alg;               /* Peer's CHAP algorithm */
                     63: 
                     64:     /* My negotiated parameters */
                     65:     u_char     want_alg;               /* My CHAP algorithm */
                     66:     LcpAuthProto       want_protos[LCP_NUM_AUTH_PROTOS];       /* list of requestable auth-protos */
                     67:     u_int32_t  want_accmap;            /* Control chars I want escaped */
                     68:     u_int32_t  want_magic;             /* My magic number */
                     69:     u_int16_t  want_mru;               /* My MRU */
                     70:     u_int16_t  want_auth;              /* Auth I require of peer, or zero */
                     71:     u_int16_t  want_mrru;              /* My MRRU, or zero if no MP */
                     72: 
                     73:     /* More params */
                     74:     u_char     want_protocomp:1;       /* I want protocol compression */
                     75:     u_char     want_acfcomp:1;         /* I want a&c field compression */
                     76:     u_char     want_shortseq:1;        /* I want short seq numbers */
                     77:     u_char     want_callback:1;        /* I want to be called back */
                     78: 
                     79:     u_char     peer_protocomp:1;       /* Peer wants protocol field comp */
                     80:     u_char     peer_acfcomp:1;         /* Peer wants addr & ctrl field comp */
                     81:     u_char     peer_shortseq:1;        /* Peer gets ML short seq numbers */
                     82: 
                     83:     /* Misc */
                     84:     struct discrim     peer_discrim;   /* Peer's discriminator */
                     85:     char       peer_ident[64];         /* Peer's LCP ident string */
                     86:     uint32_t   peer_reject;            /* Request codes rejected by peer */
                     87:     struct fsm fsm;                    /* Finite state machine */
1.1.1.2 ! misho      88:     
        !            89:     u_char     need_reset;             /* LCP needs complete reset before ConfReq */
1.1       misho      90:   };
                     91:   typedef struct lcpstate      *LcpState;
                     92: 
                     93:   #define TY_VENDOR            0       /* Vendor specific */
                     94:   #define TY_MRU               1       /* Maximum-Receive-Unit */
                     95:   #define TY_ACCMAP            2       /* Async-Control-Character-Map */
                     96:   #define TY_AUTHPROTO         3       /* Authentication-Protocol */
                     97:   #define TY_QUALPROTO         4       /* Quality-Protocol */
                     98:   #define TY_MAGICNUM          5       /* Magic-Number */
                     99:   #define TY_RESERVED          6       /* RESERVED */
                    100:   #define TY_PROTOCOMP         7       /* Protocol-Field-Compression */
                    101:   #define TY_ACFCOMP           8       /* Address+Control-Field-Compression */
                    102:   #define TY_FCSALT            9       /* FCS-Alternatives */
                    103:   #define TY_SDP               10      /* Self-Dscribing-Padding */
                    104:   #define TY_NUMMODE           11      /* Numbered-Mode */
                    105:   #define TY_MULTILINK         12      /* Multi-link procedure (?) */
                    106:   #define TY_CALLBACK          13      /* Callback */
                    107:   #define TY_CONNECTTIME       14      /* Connect time */
                    108:   #define TY_COMPFRAME         15      /* Compound-Frames */
                    109:   #define TY_NDS               16      /* Nominal-Data-Encapsulation */
                    110:   #define TY_MRRU              17      /* Multi-link MRRU size */
                    111:   #define TY_SHORTSEQNUM       18      /* Short seq number header format */
                    112:   #define TY_ENDPOINTDISC      19      /* Unique endpoint discrimiator */
                    113:   #define TY_PROPRIETARY       20      /* Proprietary */
                    114:   #define TY_DCEIDENTIFIER     21      /* DCE-Identifier */
                    115:   #define TY_MULTILINKPLUS     22      /* Multi-Link-Plus-Procedure */
                    116:   #define TY_BACP              23      /* Link Discriminator for BACP RFC2125 */
                    117:   #define TY_LCPAUTHOPT                24      /* LCP-Authentication-Option */
                    118:   #define TY_COBS              25      /* Consistent Overhead Byte Stuffing (COBS) */
                    119:   #define TY_PREFIXELISION     26      /* Prefix elision */
                    120:   #define TY_MULTILINKHEADERFMT        27      /* Multilink header format */
                    121:   #define TY_INTERNAT          28      /* Internationalization */
                    122:   #define TY_SDATALINKSONET    29      /* Simple Data Link on SONET/SDH */
                    123: 
                    124: /*
                    125:  * FUNCTIONS
                    126:  */
                    127: 
                    128:   extern void  LcpInit(Link l);
                    129:   extern void  LcpInst(Link l, Link lt);
                    130:   extern void  LcpShutdown(Link l);
                    131:   extern void  LcpInput(Link l, Mbuf bp);
                    132:   extern void  LcpUp(Link l);
                    133:   extern void  LcpOpen(Link l);
                    134:   extern void  LcpClose(Link l);
                    135:   extern void  LcpDown(Link l);
1.1.1.2 ! misho     136:   extern int   LcpStat(Context ctx, int ac, const char *const av[], const void *arg);
1.1       misho     137:   extern void  LcpAuthResult(Link l, int success);
                    138: 
                    139: #endif
                    140: