1 /* $NetBSD: ipcp.h,v 1.6 2025/01/08 19:59:39 christos Exp $ */ 2 3 /* 4 * ipcp.h - IP Control Protocol definitions. 5 * 6 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. The name "Carnegie Mellon University" must not be used to 21 * endorse or promote products derived from this software without 22 * prior written permission. For permission or any legal 23 * details, please contact 24 * Office of Technology Transfer 25 * Carnegie Mellon University 26 * 5000 Forbes Avenue 27 * Pittsburgh, PA 15213-3890 28 * (412) 268-4387, fax: (412) 268-7395 29 * tech-transfer@andrew.cmu.edu 30 * 31 * 4. Redistributions of any form whatsoever must retain the following 32 * acknowledgment: 33 * "This product includes software developed by Computing Services 34 * at Carnegie Mellon University (http://www.cmu.edu/computing/)." 35 * 36 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO 37 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 38 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE 39 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 40 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 41 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 42 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 43 */ 44 #ifndef PPP_IPCP_H 45 #define PPP_IPCP_H 46 47 #include "pppdconf.h" 48 49 #ifdef __cplusplus 50 extern "C" { 51 #endif 52 53 /* 54 * Options. 55 */ 56 #define CI_ADDRS 1 /* IP Addresses */ 57 #define CI_COMPRESSTYPE 2 /* Compression Type */ 58 #define CI_ADDR 3 59 60 #define CI_MS_DNS1 129 /* Primary DNS value */ 61 #define CI_MS_WINS1 130 /* Primary WINS value */ 62 #define CI_MS_DNS2 131 /* Secondary DNS value */ 63 #define CI_MS_WINS2 132 /* Secondary WINS value */ 64 65 #define MAX_STATES 16 /* from slcompress.h */ 66 67 #define IPCP_VJMODE_OLD 1 /* "old" mode (option # = 0x0037) */ 68 #define IPCP_VJMODE_RFC1172 2 /* "old-rfc"mode (option # = 0x002d) */ 69 #define IPCP_VJMODE_RFC1332 3 /* "new-rfc"mode (option # = 0x002d, */ 70 /* maxslot and slot number compression) */ 71 72 #define IPCP_VJ_COMP 0x002d /* current value for VJ compression option*/ 73 #define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */ 74 /* compression option*/ 75 76 typedef struct ipcp_options { 77 bool neg_addr; /* Negotiate IP Address? */ 78 bool old_addrs; /* Use old (IP-Addresses) option? */ 79 bool req_addr; /* Ask peer to send IP address? */ 80 bool default_route; /* Assign default route through interface? */ 81 bool replace_default_route; /* Replace default route through interface? */ 82 bool proxy_arp; /* Make proxy ARP entry for peer? */ 83 bool neg_vj; /* Van Jacobson Compression? */ 84 bool old_vj; /* use old (short) form of VJ option? */ 85 bool accept_local; /* accept peer's value for ouraddr */ 86 bool accept_remote; /* accept peer's value for hisaddr */ 87 bool req_dns1; /* Ask peer to send primary DNS address? */ 88 bool req_dns2; /* Ask peer to send secondary DNS address? */ 89 bool req_wins1; /* Ask peer to send primary WINS address? */ 90 bool req_wins2; /* Ask peer to send secondary WINS address? */ 91 int vj_protocol; /* protocol value to use in VJ option */ 92 int maxslotindex; /* values for RFC1332 VJ compression neg. */ 93 bool cflag; 94 uint32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */ 95 uint32_t dnsaddr[2]; /* Primary and secondary MS DNS entries */ 96 uint32_t winsaddr[2]; /* Primary and secondary MS WINS entries */ 97 } ipcp_options; 98 99 extern fsm ipcp_fsm[]; 100 extern ipcp_options ipcp_wantoptions[]; 101 extern ipcp_options ipcp_gotoptions[]; 102 extern ipcp_options ipcp_allowoptions[]; 103 extern ipcp_options ipcp_hisoptions[]; 104 105 char *ip_ntoa(uint32_t); 106 107 extern struct protent ipcp_protent; 108 109 /* 110 * Hook for a plugin to know when IP protocol has come up 111 */ 112 typedef void (ip_up_hook_fn)(void); 113 extern ip_up_hook_fn *ip_up_hook; 114 115 /* 116 * Hook for a plugin to know when IP protocol has come down 117 */ 118 typedef void (ip_down_hook_fn)(void); 119 extern ip_down_hook_fn *ip_down_hook; 120 121 /* 122 * Hook for a plugin to choose the remote IP address 123 */ 124 typedef void (ip_choose_hook_fn)(uint32_t *); 125 extern ip_choose_hook_fn *ip_choose_hook; 126 127 #ifdef __cplusplus 128 } 129 #endif 130 131 #endif /* PPP_IPCP_H */ 132