xref: /freebsd/usr.sbin/ppp/ipcp.h (revision 0640d357f29fb1c0daaaffadd0416c5981413afd)
1 /*
2  *	    Written by Toshiharu OHNO (tony-o@iij.ad.jp)
3  *
4  *   Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
5  *
6  * Redistribution and use in source and binary forms are permitted
7  * provided that the above copyright notice and this paragraph are
8  * duplicated in all such forms and that any documentation,
9  * advertising materials, and other materials related to such
10  * distribution and use acknowledge that the software was developed
11  * by the Internet Initiative Japan.  The name of the
12  * IIJ may not be used to endorse or promote products derived
13  * from this software without specific prior written permission.
14  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17  *
18  * $Id: ipcp.h,v 1.21 1998/10/22 02:32:49 brian Exp $
19  *
20  *	TODO:
21  */
22 
23 #define	IPCP_MAXCODE	CODE_CODEREJ
24 
25 #define	TY_IPADDRS	1
26 #define	TY_COMPPROTO	2
27 #define	TY_IPADDR	3
28 
29 /* Domain NameServer and NetBIOS NameServer options */
30 
31 #define TY_PRIMARY_DNS		129
32 #define TY_PRIMARY_NBNS		130
33 #define TY_SECONDARY_DNS	131
34 #define TY_SECONDARY_NBNS	132
35 #define TY_ADJUST_NS		119 /* subtract from NS val for REJECT bit */
36 
37 struct sticky_route;
38 
39 struct in_range {
40   struct in_addr ipaddr;
41   struct in_addr mask;
42   int width;
43 };
44 
45 struct ipcp {
46   struct fsm fsm;			/* The finite state machine */
47 
48   struct {
49     struct {
50       int slots;			/* Maximum VJ slots */
51       unsigned slotcomp : 1;		/* Slot compression */
52       unsigned neg : 2;			/* VJ negotiation */
53     } vj;
54 
55     struct in_range  my_range;		/* MYADDR spec */
56     struct in_addr   netmask;		/* netmask (unused by most OSs) */
57     struct in_range  peer_range;	/* HISADDR spec */
58     struct iplist    peer_list;		/* Ranges of HISADDR values */
59 
60     u_long sendpipe;			/* route sendpipe size */
61     u_long recvpipe;			/* route recvpipe size */
62 
63     struct in_addr   TriggerAddress;	/* Address to suggest in REQ */
64     unsigned HaveTriggerAddress : 1;	/* Trigger address specified */
65 
66     struct {
67       struct in_addr dns[2];		/* DNS addresses offered */
68       unsigned dns_neg : 2;		/* dns negotiation */
69       struct in_addr nbns[2];		/* NetBIOS NS addresses offered */
70     } ns;
71 
72     u_int fsmretry;			/* FSM retry frequency */
73   } cfg;
74 
75   struct {
76     struct slcompress cslc;		/* VJ state */
77     struct slstat slstat;		/* VJ statistics */
78   } vj;
79 
80   struct sticky_route *route;		/* List of dynamic routes */
81 
82   unsigned heis1172 : 1;		/* True if he is speaking rfc1172 */
83 
84   struct in_addr peer_ip;		/* IP address he's willing to use */
85   u_int32_t peer_compproto;		/* VJ params he's willing to use */
86 
87   struct in_addr my_ip;			/* IP address I'm willing to use */
88   u_int32_t my_compproto;		/* VJ params I'm willing to use */
89 
90   u_int32_t peer_reject;		/* Request codes rejected by peer */
91   u_int32_t my_reject;			/* Request codes I have rejected */
92 
93   struct pppThroughput throughput;	/* throughput statistics */
94   struct mqueue Queue[PRI_FAST + 1];	/* Output packet queues */
95 };
96 
97 #define fsm2ipcp(fp) (fp->proto == PROTO_IPCP ? (struct ipcp *)fp : NULL)
98 
99 struct bundle;
100 struct link;
101 struct cmdargs;
102 
103 extern void ipcp_Init(struct ipcp *, struct bundle *, struct link *,
104                       const struct fsm_parent *);
105 extern void ipcp_Setup(struct ipcp *);
106 extern void ipcp_SetLink(struct ipcp *, struct link *);
107 
108 extern int  ipcp_Show(struct cmdargs const *);
109 extern void ipcp_Input(struct ipcp *, struct bundle *, struct mbuf *);
110 extern void ipcp_AddInOctets(struct ipcp *, int);
111 extern void ipcp_AddOutOctets(struct ipcp *, int);
112 extern int  ipcp_UseHisaddr(struct bundle *, const char *, int);
113 extern int  ipcp_vjset(struct cmdargs const *);
114 extern void ipcp_CleanInterface(struct ipcp *);
115 extern int  ipcp_InterfaceUp(struct ipcp *);
116