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