/* * Written by Toshiharu OHNO (tony-o@iij.ad.jp) * * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by the Internet Initiative Japan. The name of the * IIJ may not be used to endorse or promote products derived * from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * $Id: lcp.h,v 1.16.2.23 1998/05/01 19:24:57 brian Exp $ * * TODO: */ #define REJECTED(p, x) ((p)->his_reject & (1<<(x))) struct lcp { struct fsm fsm; /* The finite state machine */ u_int16_t his_mru; /* Peers maximum packet size */ u_int16_t his_mrru; /* Peers maximum reassembled packet size (MP) */ u_int32_t his_accmap; /* Peeers async char control map */ u_int32_t his_magic; /* Peers magic number */ u_int32_t his_lqrperiod; /* Peers LQR frequency */ u_short his_auth; /* Peer wants this type of authentication */ unsigned his_shortseq : 1; /* Peer would like only 12bit seqs (MP) */ unsigned his_protocomp : 1; /* Does peer do Protocol field compression */ unsigned his_acfcomp : 1; /* Does peer do addr & cntrl fld compression */ u_short want_mru; /* Our maximum packet size */ u_short want_mrru; /* Our maximum reassembled packet size (MP) */ u_int32_t want_accmap; /* Our async char control map */ u_int32_t want_magic; /* Our magic number */ u_int32_t want_lqrperiod; /* Our LQR frequency */ u_short want_auth; /* We want this type of authentication */ unsigned want_shortseq : 1; /* I'd like only 12bit seqs (MP) */ unsigned want_protocomp : 1; /* Do we do protocol field compression */ unsigned want_acfcomp : 1; /* Do we do addr & cntrl fld compression */ u_int32_t his_reject; /* Request codes rejected by peer */ u_int32_t my_reject; /* Request codes I have rejected */ u_short auth_iwait; /* I must authenticate to the peer */ u_short auth_ineed; /* I require that the peer authenticates */ int LcpFailedMagic; /* Number of `magic is same' errors */ struct { u_short mru; /* Preferred MRU value */ u_int32_t accmap; /* Initial ACCMAP value */ int openmode; /* when to start CFG REQs */ u_int lqrperiod; /* LQR frequency */ u_int fsmretry; /* FSM retry frequency */ unsigned acfcomp : 2; /* Address & Control Field Compression neg */ unsigned chap : 2; /* Challenge Handshake Authentication proto */ unsigned lqr : 2; /* Link Quality Report */ unsigned pap : 2; /* Password Authentication protocol */ unsigned protocomp : 2; /* Protocol field compression */ } cfg; }; #define LCP_MAXCODE CODE_DISCREQ #define LCP_MINMPCODE CODE_CODEREJ #define TY_MRU 1 /* Maximum-Receive-Unit */ #define TY_ACCMAP 2 /* Async-Control-Character-Map */ #define TY_AUTHPROTO 3 /* Authentication-Protocol */ #define TY_QUALPROTO 4 /* Quality-Protocol */ #define TY_MAGICNUM 5 /* Magic-Number */ #define TY_RESERVED 6 /* RESERVED */ #define TY_PROTOCOMP 7 /* Protocol-Field-Compression */ #define TY_ACFCOMP 8 /* Address-and-Control-Field-Compression */ #define TY_FCSALT 9 /* FCS-Alternatives */ #define TY_SDP 10 /* Self-Describing-Padding */ #define TY_MRRU 17 /* Max Reconstructed Receive Unit (MP) */ #define TY_SHORTSEQ 18 /* Want short seqs (12bit) please (see mp.h) */ #define TY_ENDDISC 19 /* Endpoint discriminator */ #define MAX_LCP_OPT_LEN 10 struct lcp_opt { u_char id; u_char len; u_char data[MAX_LCP_OPT_LEN-2]; }; #define INC_LCP_OPT(ty, length, o) \ do { \ (o)->id = (ty); \ (o)->len = (length); \ (o) = (struct lcp_opt *)((char *)(o) + (length)); \ } while (0) struct mbuf; struct link; struct physical; struct bundle; struct cmdargs; #define fsm2lcp(fp) (fp->proto == PROTO_LCP ? (struct lcp *)fp : NULL) extern void lcp_Init(struct lcp *, struct bundle *, struct link *, const struct fsm_parent *); extern void lcp_Setup(struct lcp *, int); extern void lcp_SendProtoRej(struct lcp *, u_char *, int); extern int lcp_ReportStatus(struct cmdargs const *); extern void lcp_Input(struct lcp *, struct mbuf *); extern void lcp_SetupCallbacks(struct lcp *);