projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 2a905848 RG |
1 | /* |
| 2 | * lcp.h - Link Control Protocol definitions. | |
| 3 | * | |
| 4 | * Copyright (c) 1989 Carnegie Mellon University. | |
| 5 | * All rights reserved. | |
| 6 | * | |
| 7 | * Redistribution and use in source and binary forms are permitted | |
| 8 | * provided that the above copyright notice and this paragraph are | |
| 9 | * duplicated in all such forms and that any documentation, | |
| 10 | * advertising materials, and other materials related to such | |
| 11 | * distribution and use acknowledge that the software was developed | |
| 12 | * by Carnegie Mellon University. The name of the | |
| 13 | * University may not be used to endorse or promote products derived | |
| 14 | * from this software without specific prior written permission. | |
| 15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 17 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 18 | */ | |
| 19 | ||
| 20 | /* | |
| 21 | * Options. | |
| 22 | */ | |
| 23 | #define CI_MRU 1 /* Maximum Receive Unit */ | |
| 24 | #define CI_ASYNCMAP 2 /* Async Control Character Map */ | |
| 25 | #define CI_AUTHTYPE 3 /* Authentication Type */ | |
| 26 | #define CI_NOTDEFINED 4 /* not defined (used to be Encryption Type) */ | |
| 27 | #define CI_MAGICNUMBER 5 /* Magic Number */ | |
| 28 | #define CI_KEEPALIVE 6 /* Keep Alive Parameters */ | |
| 29 | #define CI_PCOMPRESSION 7 /* Protocol Field Compression */ | |
| 30 | #define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */ | |
| 31 | ||
| 32 | ||
| 33 | /* | |
| 34 | * The state of options is described by an lcp_options structure. | |
| 35 | */ | |
| 36 | typedef struct lcp_options { | |
| 37 | int passive : 1; /* Passives vs. active open */ | |
| 38 | int restart : 1; /* Restart vs. exit after close */ | |
| 39 | int neg_mru : 1; /* Negotiate the MRU? */ | |
| 40 | u_short mru; /* Value of MRU */ | |
| 41 | int neg_asyncmap : 1; /* Async map? */ | |
| 42 | u_long asyncmap; | |
| 43 | int neg_upap : 1; /* UPAP authentication? */ | |
| 44 | int neg_chap : 1; /* CHAP authentication? */ | |
| 45 | char chap_mdtype; /* which MD type */ | |
| 46 | char chap_callback; /* callback ? */ | |
| 47 | int neg_magicnumber : 1; /* Magic number? */ | |
| 48 | u_long magicnumber; | |
| 49 | int numloops; /* Number loops during magic number negot. */ | |
| 50 | int neg_pcompression : 1; /* HDLC Protocol Field Compression? */ | |
| 51 | int neg_accompression : 1; /* HDLC Address/Control Field Compression? */ | |
| 52 | } lcp_options; | |
| 53 | ||
| 54 | extern fsm lcp_fsm[]; | |
| 55 | extern lcp_options lcp_wantoptions[]; | |
| 56 | extern lcp_options lcp_gotoptions[]; | |
| 57 | extern lcp_options lcp_allowoptions[]; | |
| 58 | extern lcp_options lcp_hisoptions[]; | |
| 59 | ||
| 60 | #define DEFMRU 1500 /* Try for this */ | |
| 61 | #define MINMRU 128 /* No MRUs below this */ | |
| 62 | ||
| 63 | void lcp_init __ARGS((int)); | |
| 64 | void lcp_activeopen __ARGS((int)); | |
| 65 | void lcp_passiveopen __ARGS((int)); | |
| 66 | void lcp_close __ARGS((int)); | |
| 67 | void lcp_lowerup __ARGS((int)); | |
| 68 | void lcp_lowerdown __ARGS((int)); | |
| 69 | void lcp_input __ARGS((int, u_char *, int)); | |
| 70 | void lcp_protrej __ARGS((int)); | |
| 71 | void lcp_sprotrej __ARGS((int, u_char *, int)); |