/*- * Copyright (c) 1996 - 2001 Brian Somers * based on work by Toshiharu OHNO * Internet Initiative Japan, Inc (IIJ) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #define IPCP_MAXCODE CODE_CODEREJ #define TY_IPADDRS 1 #define TY_COMPPROTO 2 #define TY_IPADDR 3 /* Domain NameServer and NetBIOS NameServer options */ #define TY_PRIMARY_DNS 129 #define TY_PRIMARY_NBNS 130 #define TY_SECONDARY_DNS 131 #define TY_SECONDARY_NBNS 132 #define TY_ADJUST_NS 119 /* subtract from NS val for REJECT bit */ struct sticky_route; struct in_range { struct in_addr ipaddr; struct in_addr mask; int width; }; struct port_range { unsigned nports; /* How many ports */ unsigned maxports; /* How many allocated (malloc) ports */ u_short *port; /* The actual ports */ }; struct ipcp { struct fsm fsm; /* The finite state machine */ struct { struct { int slots; /* Maximum VJ slots */ unsigned slotcomp : 1; /* Slot compression */ unsigned neg : 2; /* VJ negotiation */ } vj; struct in_range my_range; /* MYADDR spec */ struct in_addr netmask; /* Iface netmask (unused by most OSs) */ struct in_range peer_range; /* HISADDR spec */ struct iplist peer_list; /* Ranges of HISADDR values */ u_long sendpipe; /* route sendpipe size */ u_long recvpipe; /* route recvpipe size */ struct in_addr TriggerAddress; /* Address to suggest in REQ */ unsigned HaveTriggerAddress : 1; /* Trigger address specified */ struct { struct in_addr dns[2]; /* DNS addresses offered */ unsigned dns_neg : 2; /* dns negotiation */ struct in_addr nbns[2]; /* NetBIOS NS addresses offered */ } ns; struct { struct port_range tcp, udp; /* The range of urgent ports */ unsigned tos : 1; /* Urgent IPTOS_LOWDELAY packets ? */ } urgent; struct fsm_retry fsm; /* How often/frequently to resend requests */ } cfg; struct { struct slcompress cslc; /* VJ state */ struct slstat slstat; /* VJ statistics */ } vj; struct { unsigned resolver : 1; /* Found resolv.conf ? */ unsigned writable : 1; /* Can write resolv.conf ? */ struct in_addr dns[2]; /* Current DNS addresses */ char *resolv; /* Contents of resolv.conf */ char *resolv_nons; /* Contents of resolv.conf without ns */ } ns; struct sticky_route *route; /* List of dynamic routes */ unsigned heis1172 : 1; /* True if he is speaking rfc1172 */ struct in_addr peer_ip; /* IP address he's willing to use */ u_int32_t peer_compproto; /* VJ params he's willing to use */ struct in_addr ifmask; /* Interface netmask */ struct in_addr my_ip; /* IP address I'm willing to use */ u_int32_t my_compproto; /* VJ params I'm willing to use */ struct in_addr dns[2]; /* DNSs to REQ/ACK */ u_int32_t peer_reject; /* Request codes rejected by peer */ u_int32_t my_reject; /* Request codes I have rejected */ struct pppThroughput throughput; /* throughput statistics */ struct mqueue Queue[3]; /* Output packet queues */ }; #define fsm2ipcp(fp) (fp->proto == PROTO_IPCP ? (struct ipcp *)fp : NULL) #define IPCP_QUEUES(ipcp) (sizeof ipcp->Queue / sizeof ipcp->Queue[0]) struct bundle; struct link; struct cmdargs; extern void ipcp_Init(struct ipcp *, struct bundle *, struct link *, const struct fsm_parent *); extern void ipcp_Destroy(struct ipcp *); extern void ipcp_Setup(struct ipcp *, u_int32_t); extern void ipcp_SetLink(struct ipcp *, struct link *); extern int ipcp_Show(struct cmdargs const *); extern struct mbuf *ipcp_Input(struct bundle *, struct link *, struct mbuf *); extern void ipcp_AddInOctets(struct ipcp *, int); extern void ipcp_AddOutOctets(struct ipcp *, int); extern int ipcp_UseHisIPaddr(struct bundle *, struct in_addr); extern int ipcp_UseHisaddr(struct bundle *, const char *, int); extern int ipcp_vjset(struct cmdargs const *); extern void ipcp_CleanInterface(struct ipcp *); extern int ipcp_InterfaceUp(struct ipcp *); extern int ipcp_IsUrgentPort(struct port_range *, u_short, u_short); extern void ipcp_AddUrgentPort(struct port_range *, u_short); extern void ipcp_RemoveUrgentPort(struct port_range *, u_short); extern void ipcp_ClearUrgentPorts(struct port_range *); extern struct in_addr addr2mask(struct in_addr); extern int ipcp_WriteDNS(struct ipcp *); extern void ipcp_RestoreDNS(struct ipcp *); extern void ipcp_LoadDNS(struct ipcp *); #define ipcp_IsUrgentTcpPort(ipcp, p1, p2) \ ipcp_IsUrgentPort(&(ipcp)->cfg.urgent.tcp, p1, p2) #define ipcp_IsUrgentUdpPort(ipcp, p1, p2) \ ipcp_IsUrgentPort(&(ipcp)->cfg.urgent.udp, p1, p2) #define ipcp_AddUrgentTcpPort(ipcp, p) \ ipcp_AddUrgentPort(&(ipcp)->cfg.urgent.tcp, p) #define ipcp_AddUrgentUdpPort(ipcp, p) \ ipcp_AddUrgentPort(&(ipcp)->cfg.urgent.udp, p) #define ipcp_RemoveUrgentTcpPort(ipcp, p) \ ipcp_RemoveUrgentPort(&(ipcp)->cfg.urgent.tcp, p) #define ipcp_RemoveUrgentUdpPort(ipcp, p) \ ipcp_RemoveUrgentPort(&(ipcp)->cfg.urgent.udp, p) #define ipcp_ClearUrgentTcpPorts(ipcp) \ ipcp_ClearUrgentPorts(&(ipcp)->cfg.urgent.tcp) #define ipcp_ClearUrgentUdpPorts(ipcp) \ ipcp_ClearUrgentPorts(&(ipcp)->cfg.urgent.udp) #define ipcp_ClearUrgentTOS(ipcp) (ipcp)->cfg.urgent.tos = 0; #define ipcp_SetUrgentTOS(ipcp) (ipcp)->cfg.urgent.tos = 1;