* ipcp.h - IP Control Protocol definitions.
* Copyright (c) 1989 Carnegie Mellon University.
* 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 Carnegie Mellon University. The name of the
* University 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: ipcp.h,v 1.2 1994/02/08 23:49:37 paulus Exp $
#define CI_ADDRS 1 /* IP Addresses */
#define CI_COMPRESSTYPE 2 /* Compression Type */
#define MAX_STATES 16 /* from slcompress.h */
#define IPCP_VJMODE_OLD 1 /* "old" mode (option # = 0x0037) */
#define IPCP_VJMODE_RFC1172 2 /* "old-rfc"mode (option # = 0x002d) */
#define IPCP_VJMODE_RFC1332 3 /* "new-rfc"mode (option # = 0x002d, */
/* maxslot and slot number compression) */
#define IPCP_VJ_COMP 0x002d /* current value for VJ compression option*/
#define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */
typedef struct ipcp_options
{
int neg_addr
: 1; /* Negotiate IP Address? */
int old_addrs
: 1; /* Use old (IP-Addresses) option? */
int req_addr
: 1; /* Ask peer to send IP address? */
int default_route
: 1; /* Assign default route through interface? */
int proxy_arp
: 1; /* Make proxy ARP entry for peer? */
int neg_vj
: 1; /* Van Jacobson Compression? */
int old_vj
: 1; /* use old (short) form of VJ option? */
int accept_local
: 1; /* accept peer's value for ouraddr */
int accept_remote
: 1; /* accept peer's value for hisaddr */
u_short vj_protocol
; /* protocol value to use in VJ option */
u_char maxslotindex
, cflag
; /* values for RFC1332 VJ compression neg. */
u_long ouraddr
, hisaddr
; /* Addresses in NETWORK BYTE ORDER */
extern ipcp_options ipcp_wantoptions
[];
extern ipcp_options ipcp_gotoptions
[];
extern ipcp_options ipcp_allowoptions
[];
extern ipcp_options ipcp_hisoptions
[];
void ipcp_init
__ARGS((int));
void ipcp_open
__ARGS((int));
void ipcp_close
__ARGS((int));
void ipcp_lowerup
__ARGS((int));
void ipcp_lowerdown
__ARGS((int));
void ipcp_input
__ARGS((int, u_char
*, int));
void ipcp_protrej
__ARGS((int));