ipv6cp.h revision 81634 
1/*-
2 * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/usr.sbin/ppp/ipv6cp.h 81634 2001-08-14 16:05:52Z brian $
27 */
28
29#ifndef NOINET6
30#define	IPV6CP_MAXCODE	CODE_CODEREJ
31
32#define	TY_TOKEN	1
33#define	TY_COMPPROTO	2
34
35struct ipv6cp {
36  struct fsm fsm;			/* The finite state machine */
37
38  struct {
39    struct fsm_retry fsm;		/* frequency to resend requests */
40  } cfg;
41
42  unsigned peer_tokenreq : 1;		/* Any TY_TOKEN REQs from the peer ? */
43
44  u_int32_t my_token;			/* Token I'm willing to use */
45  u_int32_t peer_token;			/* Token he's willing to use */
46
47  struct ncpaddr myaddr;		/* Local address */
48  struct ncpaddr hisaddr;		/* Peer address */
49
50  u_int32_t his_reject;			/* Request codes rejected by peer */
51  u_int32_t my_reject;			/* Request codes I have rejected */
52
53  struct pppThroughput throughput;	/* throughput statistics */
54  struct mqueue Queue[2];		/* Output packet queues */
55};
56
57#define fsm2ipv6cp(fp) (fp->proto == PROTO_IPV6CP ? (struct ipv6cp *)fp : NULL)
58#define IPV6CP_QUEUES(ipv6cp) (sizeof ipv6cp->Queue / sizeof ipv6cp->Queue[0])
59
60struct bundle;
61struct link;
62struct cmdargs;
63struct iface_addr;
64
65extern void ipv6cp_Init(struct ipv6cp *, struct bundle *, struct link *,
66                        const struct fsm_parent *);
67extern void ipv6cp_Destroy(struct ipv6cp *);
68extern void ipv6cp_Setup(struct ipv6cp *);
69extern void ipv6cp_SetLink(struct ipv6cp *, struct link *);
70
71extern int  ipv6cp_Show(struct cmdargs const *);
72extern struct mbuf *ipv6cp_Input(struct bundle *, struct link *, struct mbuf *);
73extern void ipv6cp_AddInOctets(struct ipv6cp *, int);
74extern void ipv6cp_AddOutOctets(struct ipv6cp *, int);
75
76extern void ipv6cp_IfaceAddrAdded(struct ipv6cp *, const struct iface_addr *);
77extern void ipv6cp_IfaceAddrDeleted(struct ipv6cp *, const struct iface_addr *);
78extern int  ipv6cp_InterfaceUp(struct ipv6cp *);
79extern size_t ipv6cp_QueueLen(struct ipv6cp *);
80extern int ipv6cp_PushPacket(struct ipv6cp *, struct link *);
81#endif
82