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105 lines
4.3 KiB
C
105 lines
4.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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struct port_range {
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unsigned nports; /* How many ports */
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unsigned maxports; /* How many allocated (malloc) ports */
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u_short *port; /* The actual ports */
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};
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struct ncp {
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struct {
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u_long sendpipe; /* route sendpipe size */
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u_long recvpipe; /* route recvpipe size */
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struct {
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struct port_range tcp, udp; /* The range of urgent ports */
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unsigned tos : 1; /* Urgent IPTOS_LOWDELAY packets ? */
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int len; /* The size below which traffic is prioritised */
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} urgent;
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} cfg;
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int afq; /* Next address family to queue */
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struct sticky_route *route; /* List of dynamic routes */
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struct ipcp ipcp; /* Our IPCP FSM */
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#ifndef NOINET6
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struct ipv6cp ipv6cp; /* Our IPV6CP FSM */
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#endif
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struct mp mp; /* Our MP */
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};
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extern void ncp_Init(struct ncp *, struct bundle *);
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extern void ncp_Destroy(struct ncp *);
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extern int ncp_fsmStart(struct ncp *, struct bundle *);
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extern void ncp_IfaceAddrAdded(struct ncp *, const struct iface_addr *);
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extern void ncp_IfaceAddrDeleted(struct ncp *, const struct iface_addr *);
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extern void ncp_SetLink(struct ncp *, struct link *);
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extern void ncp_Enqueue(struct ncp *, int, unsigned, char *, int);
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extern void ncp_DeleteQueues(struct ncp *);
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extern size_t ncp_QueueLen(struct ncp *);
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extern size_t ncp_FillPhysicalQueues(struct ncp *, struct bundle *);
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extern int ncp_PushPacket(struct ncp *, int *, struct link *);
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extern int ncp_IsUrgentPort(struct port_range *, u_short, u_short);
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extern int ncp_IsUrgentTcpLen(struct ncp *, int);
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extern void ncp_SetUrgentTcpLen(struct ncp *, int);
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extern void ncp_AddUrgentPort(struct port_range *, u_short);
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extern void ncp_RemoveUrgentPort(struct port_range *, u_short);
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extern void ncp_ClearUrgentPorts(struct port_range *);
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extern int ncp_Show(struct cmdargs const *);
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extern int ncp_LayersOpen(struct ncp *);
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extern int ncp_LayersUnfinished(struct ncp *);
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extern void ncp_Close(struct ncp *);
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extern void ncp2initial(struct ncp *);
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#define ncp_IsUrgentTcpPort(ncp, p1, p2) \
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ncp_IsUrgentPort(&(ncp)->cfg.urgent.tcp, p1, p2)
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#define ncp_IsUrgentUdpPort(ncp, p1, p2) \
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ncp_IsUrgentPort(&(ncp)->cfg.urgent.udp, p1, p2)
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#define ncp_AddUrgentTcpPort(ncp, p) \
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ncp_AddUrgentPort(&(ncp)->cfg.urgent.tcp, p)
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#define ncp_AddUrgentUdpPort(ncp, p) \
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ncp_AddUrgentPort(&(ncp)->cfg.urgent.udp, p)
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#define ncp_RemoveUrgentTcpPort(ncp, p) \
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ncp_RemoveUrgentPort(&(ncp)->cfg.urgent.tcp, p)
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#define ncp_RemoveUrgentUdpPort(ncp, p) \
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ncp_RemoveUrgentPort(&(ncp)->cfg.urgent.udp, p)
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#define ncp_ClearUrgentTcpPorts(ncp) \
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ncp_ClearUrgentPorts(&(ncp)->cfg.urgent.tcp)
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#define ncp_ClearUrgentUdpPorts(ncp) \
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ncp_ClearUrgentPorts(&(ncp)->cfg.urgent.udp)
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#define ncp_ClearUrgentTOS(ncp) (ncp)->cfg.urgent.tos = 0
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#define ncp_SetUrgentTOS(ncp) (ncp)->cfg.urgent.tos = 1
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#ifndef NOINET6
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#define isncp(proto) ((proto) == PROTO_IPCP || (proto) == PROTO_IPV6CP)
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#else
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#define isncp(proto) ((proto) == PROTO_IPCP)
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#endif
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