1 /*- 2 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org> 3 * based on work by Toshiharu OHNO <tony-o@iij.ad.jp> 4 * Internet Initiative Japan, Inc (IIJ) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: src/usr.sbin/ppp/ipcp.h,v 1.30.2.5 2002/09/01 02:12:27 brian Exp $ 29 * $DragonFly: src/usr.sbin/ppp/ipcp.h,v 1.2 2003/06/17 04:30:00 dillon Exp $ 30 */ 31 32 #define IPCP_MAXCODE CODE_CODEREJ 33 34 #define TY_IPADDRS 1 35 #define TY_COMPPROTO 2 36 #define TY_IPADDR 3 37 38 /* Domain NameServer and NetBIOS NameServer options */ 39 40 #define TY_PRIMARY_DNS 129 41 #define TY_PRIMARY_NBNS 130 42 #define TY_SECONDARY_DNS 131 43 #define TY_SECONDARY_NBNS 132 44 #define TY_ADJUST_NS 119 /* subtract from NS val for REJECT bit */ 45 46 struct ipcp { 47 struct fsm fsm; /* The finite state machine */ 48 49 struct { 50 struct { 51 int slots; /* Maximum VJ slots */ 52 unsigned slotcomp : 1; /* Slot compression */ 53 unsigned neg : 2; /* VJ negotiation */ 54 } vj; 55 56 struct ncprange my_range; /* MYADDR spec */ 57 struct in_addr netmask; /* Iface netmask (unused by most OSs) */ 58 struct ncprange peer_range; /* HISADDR spec */ 59 struct iplist peer_list; /* Ranges of HISADDR values */ 60 61 struct in_addr TriggerAddress; /* Address to suggest in REQ */ 62 unsigned HaveTriggerAddress : 1; /* Trigger address specified */ 63 64 struct { 65 struct in_addr dns[2]; /* DNS addresses offered */ 66 unsigned dns_neg : 2; /* dns negotiation */ 67 struct in_addr nbns[2]; /* NetBIOS NS addresses offered */ 68 } ns; 69 70 struct fsm_retry fsm; /* frequency to resend requests */ 71 } cfg; 72 73 struct { 74 struct slcompress cslc; /* VJ state */ 75 struct slstat slstat; /* VJ statistics */ 76 } vj; 77 78 struct { 79 unsigned resolver : 1; /* Found resolv.conf ? */ 80 unsigned writable : 1; /* Can write resolv.conf ? */ 81 struct in_addr dns[2]; /* Current DNS addresses */ 82 char *resolv; /* Contents of resolv.conf */ 83 char *resolv_nons; /* Contents of resolv.conf without ns */ 84 } ns; 85 86 unsigned heis1172 : 1; /* True if he is speaking rfc1172 */ 87 88 unsigned peer_req : 1; /* Any TY_IPADDR REQs from the peer ? */ 89 struct in_addr peer_ip; /* IP address he's willing to use */ 90 u_int32_t peer_compproto; /* VJ params he's willing to use */ 91 92 struct in_addr ifmask; /* Interface netmask */ 93 94 struct in_addr my_ip; /* IP address I'm willing to use */ 95 u_int32_t my_compproto; /* VJ params I'm willing to use */ 96 97 u_int32_t peer_reject; /* Request codes rejected by peer */ 98 u_int32_t my_reject; /* Request codes I have rejected */ 99 100 struct pppThroughput throughput; /* throughput statistics */ 101 struct mqueue Queue[3]; /* Output packet queues */ 102 }; 103 104 #define fsm2ipcp(fp) (fp->proto == PROTO_IPCP ? (struct ipcp *)fp : NULL) 105 #define IPCP_QUEUES(ipcp) (sizeof ipcp->Queue / sizeof ipcp->Queue[0]) 106 107 struct bundle; 108 struct link; 109 struct cmdargs; 110 struct iface_addr; 111 112 extern void ipcp_Init(struct ipcp *, struct bundle *, struct link *, 113 const struct fsm_parent *); 114 extern void ipcp_Destroy(struct ipcp *); 115 extern void ipcp_Setup(struct ipcp *, u_int32_t); 116 extern void ipcp_SetLink(struct ipcp *, struct link *); 117 118 extern int ipcp_Show(struct cmdargs const *); 119 extern struct mbuf *ipcp_Input(struct bundle *, struct link *, struct mbuf *); 120 extern void ipcp_AddInOctets(struct ipcp *, int); 121 extern void ipcp_AddOutOctets(struct ipcp *, int); 122 extern int ipcp_UseHisIPaddr(struct bundle *, struct in_addr); 123 extern int ipcp_UseHisaddr(struct bundle *, const char *, int); 124 extern int ipcp_vjset(struct cmdargs const *); 125 extern void ipcp_IfaceAddrAdded(struct ipcp *, const struct iface_addr *); 126 extern void ipcp_IfaceAddrDeleted(struct ipcp *, const struct iface_addr *); 127 extern int ipcp_InterfaceUp(struct ipcp *); 128 extern struct in_addr addr2mask(struct in_addr); 129 extern int ipcp_WriteDNS(struct ipcp *); 130 extern void ipcp_RestoreDNS(struct ipcp *); 131 extern void ipcp_LoadDNS(struct ipcp *); 132 extern size_t ipcp_QueueLen(struct ipcp *); 133 extern int ipcp_PushPacket(struct ipcp *, struct link *); 134