usr.sbin/ppp/ipv6cp.h

   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: src/usr.sbin/ppp/ipv6cp.h,v 1.2.2.1 2002/09/01 02:12:28 brian Exp $
  27  * $DragonFly: src/usr.sbin/ppp/ipv6cp.h,v 1.2 2003/06/17 04:30:00 dillon Exp $
  28  */
  29
  30 #ifndef NOINET6
  31 #define IPV6CP_MAXCODE  CODE_CODEREJ
  32
  33 #define TY_TOKEN        1
  34 #define TY_COMPPROTO    2
  35
  36 #define IPV6CP_IFIDLEN  8               /* RFC2472 */
  37
  38 struct ipv6cp {
  39   struct fsm fsm;                       /* The finite state machine */
  40
  41   struct {
  42     struct fsm_retry fsm;               /* frequency to resend requests */
  43   } cfg;
  44
  45   unsigned peer_tokenreq : 1;           /* Any TY_TOKEN REQs from the peer ? */
  46
  47   u_char my_ifid[IPV6CP_IFIDLEN];       /* Local Interface Identifier */
  48   u_char his_ifid[IPV6CP_IFIDLEN];      /* Peer Interface Identifier */
  49
  50   struct ncpaddr myaddr;                /* Local address */
  51   struct ncpaddr hisaddr;               /* Peer address */
  52
  53   u_int32_t his_reject;                 /* Request codes rejected by peer */
  54   u_int32_t my_reject;                  /* Request codes I have rejected */
  55
  56   struct pppThroughput throughput;      /* throughput statistics */
  57   struct mqueue Queue[2];               /* Output packet queues */
  58 };
  59
  60 #define fsm2ipv6cp(fp) (fp->proto == PROTO_IPV6CP ? (struct ipv6cp *)fp : NULL)
  61 #define IPV6CP_QUEUES(ipv6cp) (sizeof ipv6cp->Queue / sizeof ipv6cp->Queue[0])
  62
  63 struct bundle;
  64 struct link;
  65 struct cmdargs;
  66 struct iface_addr;
  67
  68 extern void ipv6cp_Init(struct ipv6cp *, struct bundle *, struct link *,
  69                         const struct fsm_parent *);
  70 extern void ipv6cp_Destroy(struct ipv6cp *);
  71 extern void ipv6cp_Setup(struct ipv6cp *);
  72 extern void ipv6cp_SetLink(struct ipv6cp *, struct link *);
  73
  74 extern int  ipv6cp_Show(struct cmdargs const *);
  75 extern struct mbuf *ipv6cp_Input(struct bundle *, struct link *, struct mbuf *);
  76 extern void ipv6cp_AddInOctets(struct ipv6cp *, int);
  77 extern void ipv6cp_AddOutOctets(struct ipv6cp *, int);
  78
  79 extern void ipv6cp_IfaceAddrAdded(struct ipv6cp *, const struct iface_addr *);
  80 extern void ipv6cp_IfaceAddrDeleted(struct ipv6cp *, const struct iface_addr *);
  81 extern int  ipv6cp_InterfaceUp(struct ipv6cp *);
  82 extern size_t ipv6cp_QueueLen(struct ipv6cp *);
  83 extern int ipv6cp_PushPacket(struct ipv6cp *, struct link *);
  84 #endif