usr.sbin/ppp/ncp.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/ncp.h,v 1.1.4.1 2002/09/01 02:12:29 brian Exp $
  27  * $DragonFly: src/usr.sbin/ppp/ncp.h,v 1.2 2003/06/17 04:30:00 dillon Exp $
  28  */
  29
  30 struct port_range {
  31   unsigned nports;              /* How many ports */
  32   unsigned maxports;            /* How many allocated (malloc) ports */
  33   u_short *port;                /* The actual ports */
  34 };
  35
  36 struct ncp {
  37   struct {
  38     u_long sendpipe;                    /* route sendpipe size */
  39     u_long recvpipe;                    /* route recvpipe size */
  40
  41     struct {
  42       struct port_range tcp, udp;       /* The range of urgent ports */
  43       unsigned tos : 1;                 /* Urgent IPTOS_LOWDELAY packets ? */
  44     } urgent;
  45   } cfg;
  46
  47   int afq;                      /* Next address family to queue */
  48
  49   struct sticky_route *route;   /* List of dynamic routes */
  50
  51   struct ipcp ipcp;             /* Our IPCP FSM */
  52 #ifndef NOINET6
  53   struct ipv6cp ipv6cp;         /* Our IPV6CP FSM */
  54 #endif
  55   struct mp mp;                 /* Our MP */
  56 };
  57
  58 extern void ncp_Init(struct ncp *, struct bundle *);
  59 extern void ncp_Destroy(struct ncp *);
  60 extern int ncp_fsmStart(struct ncp *, struct bundle *);
  61 extern void ncp_IfaceAddrAdded(struct ncp *, const struct iface_addr *);
  62 extern void ncp_IfaceAddrDeleted(struct ncp *, const struct iface_addr *);
  63 extern void ncp_SetLink(struct ncp *, struct link *);
  64 extern void ncp_Enqueue(struct ncp *, int, unsigned, char *, int);
  65 extern void ncp_DeleteQueues(struct ncp *);
  66 extern size_t ncp_QueueLen(struct ncp *);
  67 extern size_t ncp_FillPhysicalQueues(struct ncp *, struct bundle *);
  68 extern int ncp_PushPacket(struct ncp *, int *, struct link *);
  69 extern int ncp_IsUrgentPort(struct port_range *, u_short, u_short);
  70 extern void ncp_AddUrgentPort(struct port_range *, u_short);
  71 extern void ncp_RemoveUrgentPort(struct port_range *, u_short);
  72 extern void ncp_ClearUrgentPorts(struct port_range *);
  73 extern int ncp_Show(struct cmdargs const *);
  74 extern int ncp_LayersOpen(struct ncp *);
  75 extern int ncp_LayersUnfinished(struct ncp *);
  76 extern void ncp_Close(struct ncp *);
  77 extern void ncp2initial(struct ncp *);
  78
  79 #define ncp_IsUrgentTcpPort(ncp, p1, p2) \
  80           ncp_IsUrgentPort(&(ncp)->cfg.urgent.tcp, p1, p2)
  81 #define ncp_IsUrgentUdpPort(ncp, p1, p2) \
  82           ncp_IsUrgentPort(&(ncp)->cfg.urgent.udp, p1, p2)
  83 #define ncp_AddUrgentTcpPort(ncp, p) \
  84           ncp_AddUrgentPort(&(ncp)->cfg.urgent.tcp, p)
  85 #define ncp_AddUrgentUdpPort(ncp, p) \
  86           ncp_AddUrgentPort(&(ncp)->cfg.urgent.udp, p)
  87 #define ncp_RemoveUrgentTcpPort(ncp, p) \
  88           ncp_RemoveUrgentPort(&(ncp)->cfg.urgent.tcp, p)
  89 #define ncp_RemoveUrgentUdpPort(ncp, p) \
  90           ncp_RemoveUrgentPort(&(ncp)->cfg.urgent.udp, p)
  91 #define ncp_ClearUrgentTcpPorts(ncp) \
  92           ncp_ClearUrgentPorts(&(ncp)->cfg.urgent.tcp)
  93 #define ncp_ClearUrgentUdpPorts(ncp) \
  94           ncp_ClearUrgentPorts(&(ncp)->cfg.urgent.udp)
  95 #define ncp_ClearUrgentTOS(ncp) (ncp)->cfg.urgent.tos = 0;
  96 #define ncp_SetUrgentTOS(ncp) (ncp)->cfg.urgent.tos = 1;
  97
  98 #ifndef NOINET6
  99 #define isncp(proto) ((proto) == PROTO_IPCP || (proto) == PROTO_IPV6CP)
 100 #else
 101 #define isncp(proto) ((proto) == PROTO_IPCP)
 102 #endif