1 /* 2 * ipcp.h - IP Control Protocol definitions. 3 * 4 * Copyright (c) 1989 Carnegie Mellon University. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms are permitted 8 * provided that the above copyright notice and this paragraph are 9 * duplicated in all such forms and that any documentation, 10 * advertising materials, and other materials related to such 11 * distribution and use acknowledge that the software was developed 12 * by Carnegie Mellon University. The name of the 13 * University may not be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 18 * 19 * $Id: ipcp.h,v 1.3 1994/04/18 04:05:15 paulus Exp $ 20 */ 21 22 /* 23 * Options. 24 */ 25 #define CI_ADDRS 1 /* IP Addresses */ 26 #define CI_COMPRESSTYPE 2 /* Compression Type */ 27 #define CI_ADDR 3 28 29 #define MAX_STATES 16 /* from slcompress.h */ 30 31 #define IPCP_VJMODE_OLD 1 /* "old" mode (option # = 0x0037) */ 32 #define IPCP_VJMODE_RFC1172 2 /* "old-rfc"mode (option # = 0x002d) */ 33 #define IPCP_VJMODE_RFC1332 3 /* "new-rfc"mode (option # = 0x002d, */ 34 /* maxslot and slot number compression) */ 35 36 #define IPCP_VJ_COMP 0x002d /* current value for VJ compression option*/ 37 #define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */ 38 /* compression option*/ 39 40 typedef struct ipcp_options { 41 int neg_addr : 1; /* Negotiate IP Address? */ 42 int old_addrs : 1; /* Use old (IP-Addresses) option? */ 43 int req_addr : 1; /* Ask peer to send IP address? */ 44 int default_route : 1; /* Assign default route through interface? */ 45 int proxy_arp : 1; /* Make proxy ARP entry for peer? */ 46 int neg_vj : 1; /* Van Jacobson Compression? */ 47 int old_vj : 1; /* use old (short) form of VJ option? */ 48 int accept_local : 1; /* accept peer's value for ouraddr */ 49 int accept_remote : 1; /* accept peer's value for hisaddr */ 50 u_short vj_protocol; /* protocol value to use in VJ option */ 51 u_char maxslotindex, cflag; /* values for RFC1332 VJ compression neg. */ 52 u_long ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */ 53 } ipcp_options; 54 55 extern fsm ipcp_fsm[]; 56 extern ipcp_options ipcp_wantoptions[]; 57 extern ipcp_options ipcp_gotoptions[]; 58 extern ipcp_options ipcp_allowoptions[]; 59 extern ipcp_options ipcp_hisoptions[]; 60 61 void ipcp_init __ARGS((int)); 62 void ipcp_open __ARGS((int)); 63 void ipcp_close __ARGS((int)); 64 void ipcp_lowerup __ARGS((int)); 65 void ipcp_lowerdown __ARGS((int)); 66 void ipcp_input __ARGS((int, u_char *, int)); 67 void ipcp_protrej __ARGS((int)); 68 int ipcp_printpkt __ARGS((u_char *, int, void (*)(), void *)); 69