ipcp.h

/*
 * ipcp.h - IP Control Protocol definitions.
 *
 * Copyright (c) 1989 Carnegie Mellon University.
 * All rights reserved.
 *
 * 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.
 *
 * $Id$
 */

/*
 * Options.
 */
#define CI_ADDRS    1   /* IP Addresses */
#define CI_COMPRESSTYPE 2   /* Compression Type */
#define CI_ADDR     3

#define CI_MS_DNS1  129 /* Primary DNS value */
#define CI_MS_WINS1 130 /* Primary WINS value */
#define CI_MS_DNS2  131 /* Secondary DNS value */
#define CI_MS_WINS2 132 /* Secondary WINS value */

#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 */
                /* compression option*/

typedef struct ipcp_options {
    bool neg_addr;      /* Negotiate IP Address? */
    bool old_addrs;     /* Use old (IP-Addresses) option? */
    bool req_addr;      /* Ask peer to send IP address? */
    bool default_route;     /* Assign default route through interface? */
    bool proxy_arp;     /* Make proxy ARP entry for peer? */
    bool neg_vj;        /* Van Jacobson Compression? */
    bool old_vj;        /* use old (short) form of VJ option? */
    bool accept_local;      /* accept peer's value for ouraddr */
    bool accept_remote;     /* accept peer's value for hisaddr */
    bool req_dns1;      /* Ask peer to send primary DNS address? */
    bool req_dns2;      /* Ask peer to send secondary DNS address? */
    int  vj_protocol;       /* protocol value to use in VJ option */
    int  maxslotindex;      /* values for RFC1332 VJ compression neg. */
    bool cflag;
    uint32_t ouraddr, hisaddr;  /* Addresses in NETWORK BYTE ORDER */
    uint32_t dnsaddr[2];    /* Primary and secondary MS DNS entries */
    uint32_t winsaddr[2];   /* Primary and secondary MS WINS entries */
} ipcp_options;

extern fsm ipcp_fsm[];
extern ipcp_options ipcp_wantoptions[];
extern ipcp_options ipcp_gotoptions[];
extern ipcp_options ipcp_allowoptions[];
extern ipcp_options ipcp_hisoptions[];

char *ip_ntoa(uint32_t);

extern struct protent ipcp_protent;