ipcp.h revision 50867 
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 * $FreeBSD: head/usr.sbin/ppp/ipcp.h 50867 1999-09-04 00:00:21Z brian $
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
37struct sticky_route;
38
39struct in_range {
40  struct in_addr ipaddr;
41  struct in_addr mask;
42  int width;
43};
44
45struct 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;		/* Iface 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    struct {
73      unsigned nports;			/* How many urgent ports */
74      unsigned maxports;		/* How many allocated urgent ports */
75      u_short *port;			/* The urgent ports */
76    } urgent;
77
78    struct fsm_retry fsm;	/* How often/frequently to resend requests */
79  } cfg;
80
81  struct {
82    struct slcompress cslc;		/* VJ state */
83    struct slstat slstat;		/* VJ statistics */
84  } vj;
85
86  struct sticky_route *route;		/* List of dynamic routes */
87
88  unsigned heis1172 : 1;		/* True if he is speaking rfc1172 */
89
90  struct in_addr peer_ip;		/* IP address he's willing to use */
91  u_int32_t peer_compproto;		/* VJ params he's willing to use */
92
93  struct in_addr ifmask;		/* Interface netmask */
94
95  struct in_addr my_ip;			/* IP address I'm willing to use */
96  u_int32_t my_compproto;		/* VJ params I'm willing to use */
97
98  u_int32_t peer_reject;		/* Request codes rejected by peer */
99  u_int32_t my_reject;			/* Request codes I have rejected */
100
101  struct pppThroughput throughput;	/* throughput statistics */
102  struct mqueue Queue[3];		/* Output packet queues */
103};
104
105#define fsm2ipcp(fp) (fp->proto == PROTO_IPCP ? (struct ipcp *)fp : NULL)
106#define IPCP_QUEUES(ipcp) (sizeof ipcp->Queue / sizeof ipcp->Queue[0])
107
108struct bundle;
109struct link;
110struct cmdargs;
111
112extern void ipcp_Init(struct ipcp *, struct bundle *, struct link *,
113                      const struct fsm_parent *);
114extern void ipcp_Destroy(struct ipcp *);
115extern void ipcp_Setup(struct ipcp *, u_int32_t);
116extern void ipcp_SetLink(struct ipcp *, struct link *);
117
118extern int  ipcp_Show(struct cmdargs const *);
119extern struct mbuf *ipcp_Input(struct bundle *, struct link *, struct mbuf *);
120extern void ipcp_AddInOctets(struct ipcp *, int);
121extern void ipcp_AddOutOctets(struct ipcp *, int);
122extern int  ipcp_UseHisIPaddr(struct bundle *, struct in_addr);
123extern int  ipcp_UseHisaddr(struct bundle *, const char *, int);
124extern int  ipcp_vjset(struct cmdargs const *);
125extern void ipcp_CleanInterface(struct ipcp *);
126extern int  ipcp_InterfaceUp(struct ipcp *);
127extern int  ipcp_IsUrgentPort(struct ipcp *, u_short, u_short);
128extern void ipcp_AddUrgentPort(struct ipcp *, u_short);
129extern void ipcp_RemoveUrgentPort(struct ipcp *, u_short);
130extern void ipcp_ClearUrgentPorts(struct ipcp *);
131extern struct in_addr addr2mask(struct in_addr);
132