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/*
* 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: ccp.h,v 1.6 1998/06/28 09:41:35 brian Exp $
*
* TODO:
*/
#define CCP_MAXCODE CODE_RESETACK
#define TY_OUI 0 /* OUI */
#define TY_PRED1 1 /* Predictor type 1 */
#define TY_PRED2 2 /* Predictor type 2 */
#define TY_PUDDLE 3 /* Puddle Jumper */
#define TY_HWPPC 16 /* Hewlett-Packard PPC */
#define TY_STAC 17 /* Stac Electronics LZS */
#define TY_MSPPC 18 /* Microsoft PPC */
#define TY_GAND 19 /* Gandalf FZA */
#define TY_V42BIS 20 /* V.42bis compression */
#define TY_BSD 21 /* BSD LZW Compress */
#define TY_PPPD_DEFLATE 24 /* Deflate (gzip) - (mis) numbered by pppd */
#define TY_DEFLATE 26 /* Deflate (gzip) - rfc 1979 */
struct ccpstate {
int his_proto; /* peer's compression protocol */
int my_proto; /* our compression protocol */
int reset_sent; /* If != -1, ignore compressed 'till ack */
int last_reset; /* We can receive more (dups) w/ this id */
u_int32_t his_reject; /* Request codes rejected by peer */
u_int32_t my_reject; /* Request codes I have rejected */
int out_init; /* Init called for out algorithm */
int in_init; /* Init called for in algorithm */
u_long uncompout, compout; /* Outgoing bytes before/after compression */
u_long uncompin, compin; /* Incoming bytes after/before decompression */
};
extern struct ccpstate CcpInfo;
struct ccp_algorithm {
int id;
int Conf; /* A Conf value from vars.h */
const char *(*Disp)(struct lcp_opt *);
struct {
void (*Get)(struct lcp_opt *);
int (*Set)(struct lcp_opt *);
int (*Init)(void);
void (*Term)(void);
void (*Reset)(void);
struct mbuf *(*Read)(u_short *, struct mbuf *);
void (*DictSetup)(u_short, struct mbuf *);
} i;
struct {
void (*Get)(struct lcp_opt *);
int (*Set)(struct lcp_opt *);
int (*Init)(void);
void (*Term)(void);
void (*Reset)(void);
int (*Write)(int, u_short, struct mbuf *);
} o;
};
extern struct fsm CcpFsm;
extern void CcpRecvResetReq(struct fsm *);
extern void CcpSendResetReq(struct fsm *);
extern void CcpInput(struct mbuf *);
extern void CcpUp(void);
extern void CcpOpen(void);
extern void CcpInit(void);
extern int ReportCcpStatus(struct cmdargs const *);
extern void CcpResetInput(u_char);
extern int CcpOutput(int, u_short, struct mbuf *);
extern struct mbuf *CompdInput(u_short *, struct mbuf *);
extern void CcpDictSetup(u_short, struct mbuf *);
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