freebsd-skq/usr.sbin/ppp/ccp.h

98 lines
3.3 KiB
C

/*
* 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 1.14.2.7 1998/02/07 20:49:27 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 ccp {
struct fsm fsm; /* The finite state machine */
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 */
int in_algorithm; /* Incoming algorithm in use */
int out_algorithm; /* Outgoing algorithm in use */
u_int32_t his_reject; /* Request codes rejected by peer */
u_int32_t my_reject; /* Request codes I have rejected */
int out_init : 1; /* Init called for out algorithm */
int in_init : 1; /* Init called for in algorithm */
u_long uncompout, compout;
u_long uncompin, compin;
};
extern struct ccp CcpInfo;
#define fsm2ccp(fp) (fp->proto == PROTO_CCP ? (struct ccp *)fp : NULL)
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)(struct link *, int, u_short, struct mbuf *);
} o;
};
extern void CcpRecvResetReq(struct fsm *);
extern void CcpSendResetReq(struct fsm *);
extern void CcpInput(struct bundle *, struct mbuf *);
extern void CcpUp(void);
extern void CcpOpen(void);
extern void CcpInit(struct bundle *, struct link *);
extern int ReportCcpStatus(struct cmdargs const *);
extern void CcpResetInput(u_char);
extern int CcpOutput(struct link *, int, u_short, struct mbuf *);
extern struct mbuf *CompdInput(u_short *, struct mbuf *);
extern void CcpDictSetup(u_short, struct mbuf *);