6d6667755e
and the FSM passes subsequent events to them. The datalink now hides its CCP from the bundle layer.
94 lines
3.3 KiB
C
94 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 1.14.2.11 1998/02/23 00:38:19 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;
|
|
};
|
|
|
|
#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)(struct ccp *, u_short *, struct mbuf *);
|
|
void (*DictSetup)(struct ccp *, 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 ccp *, struct link *, int, u_short, struct mbuf *);
|
|
} o;
|
|
};
|
|
|
|
extern void ccp_Init(struct ccp *, struct bundle *, struct link *,
|
|
const struct fsm_parent *);
|
|
extern void ccp_Setup(struct ccp *);
|
|
|
|
extern void CcpSendResetReq(struct fsm *);
|
|
extern void CcpInput(struct ccp *, struct bundle *, struct mbuf *);
|
|
extern int ccp_ReportStatus(struct cmdargs const *);
|
|
extern int ccp_Output(struct ccp *, struct link *, int, u_short, struct mbuf *);
|
|
extern struct mbuf *ccp_Decompress(struct ccp *, u_short *, struct mbuf *);
|