diff options
Diffstat (limited to 'isisd/include-netbsd/clnp.h')
| -rw-r--r-- | isisd/include-netbsd/clnp.h | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/isisd/include-netbsd/clnp.h b/isisd/include-netbsd/clnp.h new file mode 100644 index 00000000..6bc3d257 --- /dev/null +++ b/isisd/include-netbsd/clnp.h @@ -0,0 +1,547 @@ +/* $NetBSD: clnp.h,v 1.13 2001/08/20 12:00:54 wiz Exp $ */
+
+/*-
+ * Copyright (c) 1991, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)clnp.h 8.2 (Berkeley) 4/16/94
+ */
+
+/***********************************************************
+ Copyright IBM Corporation 1987
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of IBM not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+ * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
+ */
+
+/* should be config option but cpp breaks with too many #defines */
+#define DECBIT
+
+/*
+ * Return true if the mbuf is a cluster mbuf
+ */
+#define IS_CLUSTER(m) ((m)->m_flags & M_EXT)
+
+/*
+ * Move the halfword into the two characters
+ */
+#define HTOC(msb, lsb, hword)\
+ (msb) = (u_char)((hword) >> 8);\
+ (lsb) = (u_char)((hword) & 0xff)
+/*
+ * Move the two charcters into the halfword
+ */
+#define CTOH(msb, lsb, hword)\
+ (hword) = ((msb) << 8) | (lsb)
+
+/*
+ * Return true if the checksum has been set - ie. the checksum is
+ * not zero
+ */
+#define CKSUM_REQUIRED(clnp)\
+ (((clnp)->cnf_cksum_msb != 0) || ((clnp)->cnf_cksum_lsb != 0))
+
+/*
+ * Fixed part of clnp header
+ */
+struct clnp_fixed {
+ u_char cnf_proto_id; /* network layer protocol identifier */
+ u_char cnf_hdr_len; /* length indicator (octets) */
+ u_char cnf_vers; /* version/protocol identifier
+ * extension */
+ u_char cnf_ttl;/* lifetime (500 milliseconds) */
+ u_char cnf_type; /* type code */
+ /* Includes err_ok, more_segs, and seg_ok */
+ u_char cnf_seglen_msb; /* pdu segment length (octets) high
+ * byte */
+ u_char cnf_seglen_lsb; /* pdu segment length (octets) low
+ * byte */
+ u_char cnf_cksum_msb; /* checksum high byte */
+ u_char cnf_cksum_lsb; /* checksum low byte */
+} __attribute__((packed));
+#define CNF_TYPE 0x1f
+#define CNF_ERR_OK 0x20
+#define CNF_MORE_SEGS 0x40
+#define CNF_SEG_OK 0x80
+
+#define CLNP_CKSUM_OFF 0x07 /* offset of checksum */
+
+#define clnl_fixed clnp_fixed
+
+/*
+ * Segmentation part of clnp header
+ */
+struct clnp_segment {
+ u_short cng_id; /* data unit identifier */
+ u_short cng_off;/* segment offset */
+ u_short cng_tot_len; /* total length */
+};
+
+/*
+ * Clnp fragment reassembly structures:
+ *
+ * All packets undergoing reassembly are linked together in
+ * clnp_fragl structures. Each clnp_fragl structure contains a
+ * pointer to the original clnp packet header, as well as a
+ * list of packet fragments. Each packet fragment
+ * is headed by a clnp_frag structure. This structure contains the
+ * offset of the first and last byte of the fragment, as well as
+ * a pointer to the data (an mbuf chain) of the fragment.
+ */
+
+/*
+ * NOTE:
+ * The clnp_frag structure is stored in an mbuf immedately
+ * preceding the fragment data. Since there are words in
+ * this struct, it must be word aligned.
+ *
+ * NOTE:
+ * All the fragment code assumes that the entire clnp header is
+ * contained in the first mbuf.
+ */
+struct clnp_frag {
+ u_int cfr_first; /* offset of first byte of this frag */
+ u_int cfr_last; /* offset of last byte of this frag */
+ u_int cfr_bytes; /* bytes to shave to get to data */
+ struct mbuf *cfr_data; /* ptr to data for this frag */
+ struct clnp_frag *cfr_next; /* next fragment in list */
+};
+
+struct clnp_fragl {
+ struct iso_addr cfl_src;/* source of the pkt */
+ struct iso_addr cfl_dst;/* destination of the pkt */
+ u_short cfl_id; /* id of the pkt */
+ u_char cfl_ttl;/* current ttl of pkt */
+ u_short cfl_last; /* offset of last byte of packet */
+ struct mbuf *cfl_orighdr; /* ptr to original header */
+ struct clnp_frag *cfl_frags; /* linked list of fragments for pkt */
+ struct clnp_fragl *cfl_next; /* next pkt being reassembled */
+};
+
+/*
+ * The following structure is used to index into an options section
+ * of a clnp datagram. These values can be used without worry that
+ * offset or length fields are invalid or too big, etc. That is,
+ * the consistancy of the options will be guaranteed before this
+ * structure is filled in. Any pointer (field ending in p) is
+ * actually the offset from the beginning of the mbuf the option
+ * is contained in. A value of NULL for any pointer
+ * means that the option is not present. The length any option
+ * does not include the option code or option length fields.
+ */
+struct clnp_optidx {
+ u_short cni_securep; /* ptr to start of security option */
+ char cni_secure_len; /* length of entire security option */
+
+ u_short cni_srcrt_s; /* offset of start of src rt option */
+ u_short cni_srcrt_len; /* length of entire src rt option */
+
+ u_short cni_recrtp; /* ptr to beginning of recrt option */
+ char cni_recrt_len; /* length of entire recrt option */
+
+ char cni_priorp; /* ptr to priority option */
+
+ u_short cni_qos_formatp; /* ptr to format of qos
+ * option */
+ char cni_qos_len; /* length of entire qos option */
+
+ u_char cni_er_reason; /* reason from ER pdu option */
+
+ /* ESIS options */
+
+ u_short cni_esct; /* value from ISH ESCT option */
+
+ u_short cni_netmaskp; /* ptr to beginning of netmask option */
+ char cni_netmask_len; /* length of entire netmask
+ * option */
+
+ u_short cni_snpamaskp; /* ptr to start of snpamask option */
+ char cni_snpamask_len; /* length of entire snpamask
+ * option */
+
+};
+
+#define ER_INVALREAS 0xff /* code for invalid ER pdu discard reason */
+
+/* given an mbuf and addr of option, return offset from data of mbuf */
+#define CLNP_OPTTOOFF(m, opt) ((u_short) (opt - mtod(m, caddr_t)))
+
+/* given an mbuf and offset of option, return address of option */
+#define CLNP_OFFTOOPT(m, off) ((caddr_t) (mtod(m, caddr_t) + off))
+
+/* return true iff src route is valid */
+#define CLNPSRCRT_VALID(oidx) ((oidx) && (oidx->cni_srcrt_s))
+
+/* return the offset field of the src rt */
+#define CLNPSRCRT_OFF(oidx, options)\
+ (*((u_char *)(CLNP_OFFTOOPT(options, oidx->cni_srcrt_s) + 1)))
+
+/* return the type field of the src rt */
+#define CLNPSRCRT_TYPE(oidx, options)\
+ ((u_char)(*(CLNP_OFFTOOPT(options, oidx->cni_srcrt_s))))
+
+/* return the length of the current address */
+#define CLNPSRCRT_CLEN(oidx, options)\
+ ((u_char)(*(CLNP_OFFTOOPT(options, oidx->cni_srcrt_s) + CLNPSRCRT_OFF(oidx, options) - 1)))
+
+/* return the address of the current address */
+#define CLNPSRCRT_CADDR(oidx, options)\
+ ((caddr_t)(CLNP_OFFTOOPT(options, oidx->cni_srcrt_s) + CLNPSRCRT_OFF(oidx, options)))
+
+/*
+ * return true if the src route has run out of routes this is true if the
+ * offset of next route is greater than the end of the rt
+ */
+#define CLNPSRCRT_TERM(oidx, options)\
+ (CLNPSRCRT_OFF(oidx, options) > oidx->cni_srcrt_len)
+
+/*
+ * Options a user can set/get
+ */
+#define CLNPOPT_FLAGS 0x01 /* flags: seg permitted, no er xmit, etc */
+#define CLNPOPT_OPTS 0x02 /* datagram options */
+
+/*
+ * Values for particular datagram options
+ */
+#define CLNPOVAL_PAD 0xcc /* padding */
+#define CLNPOVAL_SECURE 0xc5 /* security */
+#define CLNPOVAL_SRCRT 0xc8 /* source routing */
+#define CLNPOVAL_RECRT 0xcb /* record route */
+#define CLNPOVAL_QOS 0xc3 /* quality of service */
+#define CLNPOVAL_PRIOR 0xcd /* priority */
+#define CLNPOVAL_ERREAS 0xc1 /* ER PDU ONLY: reason for discard */
+
+#define CLNPOVAL_SRCSPEC 0x40 /* source address specific */
+#define CLNPOVAL_DSTSPEC 0x80 /* destination address specific */
+#define CLNPOVAL_GLOBAL 0xc0 /* globally unique */
+
+/* Globally Unique QOS */
+#define CLNPOVAL_SEQUENCING 0x10 /* sequencing preferred */
+#define CLNPOVAL_CONGESTED 0x08 /* congestion experienced */
+#define CLNPOVAL_LOWDELAY 0x04 /* low transit delay */
+
+#define CLNPOVAL_PARTRT 0x00 /* partial source routing */
+#define CLNPOVAL_COMPRT 0x01 /* complete source routing */
+
+/*
+ * Clnp flags used in a control block flags field.
+ * NOTE: these must be out of the range of bits defined in ../net/raw_cb.h
+ */
+#define CLNP_NO_SEG 0x010 /* segmentation not permitted */
+#define CLNP_NO_ER 0x020 /* do not generate ERs */
+#define CLNP_SEND_RAW 0x080 /* send pkt as RAW DT not TP DT */
+#define CLNP_NO_CKSUM 0x100 /* don't use clnp checksum */
+#define CLNP_ECHO 0x200 /* send echo request */
+#define CLNP_NOCACHE 0x400 /* don't store cache information */
+#define CLNP_ECHOR 0x800 /* send echo reply */
+
+/* valid clnp flags */
+#define CLNP_VFLAGS \
+ (CLNP_SEND_RAW|CLNP_NO_SEG|CLNP_NO_ER|CLNP_NO_CKSUM|\
+ CLNP_ECHO|CLNP_NOCACHE|CLNP_ECHOR)
+
+/*
+ * Constants used by clnp
+ */
+#define CLNP_HDR_MIN (sizeof (struct clnp_fixed))
+#define CLNP_HDR_MAX (254)
+#define CLNP_TTL_UNITS 2 /* 500 milliseconds */
+#define CLNP_TTL 15*CLNP_TTL_UNITS /* time to live (seconds) */
+#define ISO8473_V1 0x01
+
+/*
+ * Clnp packet types
+ * In order to test raw clnp and tp/clnp simultaneously, a third type of
+ * packet has been defined: CLNP_RAW. This is done so that the input
+ * routine can switch to the correct input routine (rclnp_input or
+ * tpclnp_input) based on the type field. If clnp had a higher level
+ * protocol field, this would not be necessary.
+ */
+#define CLNP_DT 0x1C /* normal data */
+#define CLNP_ER 0x01 /* error report */
+#define CLNP_RAW 0x1D /* debug only */
+#define CLNP_EC 0x1E /* echo packet */
+#define CLNP_ECR 0x1F /* echo reply */
+
+/*
+ * ER pdu error codes
+ */
+#define GEN_NOREAS 0x00 /* reason not specified */
+#define GEN_PROTOERR 0x01 /* protocol procedure error */
+#define GEN_BADCSUM 0x02 /* incorrect checksum */
+#define GEN_CONGEST 0x03 /* pdu discarded due to congestion */
+#define GEN_HDRSYNTAX 0x04 /* header syntax error */
+#define GEN_SEGNEEDED 0x05 /* need segmentation but not allowed */
+#define GEN_INCOMPLETE 0x06 /* incomplete pdu received */
+#define GEN_DUPOPT 0x07 /* duplicate option */
+
+/* address errors */
+#define ADDR_DESTUNREACH 0x80 /* destination address unreachable */
+#define ADDR_DESTUNKNOWN 0x81 /* destination address unknown */
+
+/* source routing */
+#define SRCRT_UNSPECERR 0x90 /* unspecified src rt error */
+#define SRCRT_SYNTAX 0x91 /* syntax error in src rt field */
+#define SRCRT_UNKNOWNADDR 0x92 /* unknown addr in src rt field */
+#define SRCRT_BADPATH 0x93 /* path not acceptable */
+
+/* lifetime */
+#define TTL_EXPTRANSIT 0xa0 /* lifetime expired during transit */
+#define TTL_EXPREASS 0xa1 /* lifetime expired during reassembly */
+
+/* pdu discarded */
+#define DISC_UNSUPPOPT 0xb0 /* unsupported option not specified? */
+#define DISC_UNSUPPVERS 0xb1 /* unsupported protocol version */
+#define DISC_UNSUPPSECURE 0xb2 /* unsupported security option */
+#define DISC_UNSUPPSRCRT 0xb3 /* unsupported src rt option */
+#define DISC_UNSUPPRECRT 0xb4 /* unsupported rec rt option */
+
+/* reassembly */
+#define REASS_INTERFERE 0xc0 /* reassembly interference */
+#define CLNP_ERRORS 22
+
+
+#ifdef CLNP_ER_CODES
+u_char clnp_er_codes[CLNP_ERRORS] = {
+ GEN_NOREAS, GEN_PROTOERR, GEN_BADCSUM, GEN_CONGEST,
+ GEN_HDRSYNTAX, GEN_SEGNEEDED, GEN_INCOMPLETE, GEN_DUPOPT,
+ ADDR_DESTUNREACH, ADDR_DESTUNKNOWN,
+ SRCRT_UNSPECERR, SRCRT_SYNTAX, SRCRT_UNKNOWNADDR, SRCRT_BADPATH,
+ TTL_EXPTRANSIT, TTL_EXPREASS,
+ DISC_UNSUPPOPT, DISC_UNSUPPVERS, DISC_UNSUPPSECURE,
+ DISC_UNSUPPSRCRT, DISC_UNSUPPRECRT, REASS_INTERFERE
+};
+#endif
+
+#ifdef TROLL
+
+#define TR_DUPEND 0x01 /* duplicate end of fragment */
+#define TR_DUPPKT 0x02 /* duplicate entire packet */
+#define TR_DROPPKT 0x04 /* drop packet on output */
+#define TR_TRIM 0x08 /* trim bytes from packet */
+#define TR_CHANGE 0x10 /* change bytes in packet */
+#define TR_MTU 0x20 /* delta to change device mtu */
+#define TR_CHUCK 0x40 /* drop packet in rclnp_input */
+#define TR_BLAST 0x80 /* force rclnp_output to blast many
+ * packet */
+#define TR_RAWLOOP 0x100 /* make if_loop call clnpintr
+ * directly */
+struct troll {
+ int tr_ops; /* operations to perform */
+ float tr_dup_size; /* % to duplicate */
+ float tr_dup_freq; /* frequency to duplicate packets */
+ float tr_drop_freq; /* frequence to drop packets */
+ int tr_mtu_adj; /* delta to adjust if mtu */
+ int tr_blast_cnt; /* # of pkts to blast out */
+};
+
+#define SN_OUTPUT(clcp, m)\
+ troll_output(clcp->clc_ifp, m, clcp->clc_firsthop, clcp->clc_rt)
+
+#define SN_MTU(ifp, rt) (((rt && rt->rt_rmx.rmx_mtu) ?\
+ rt->rt_rmx.rmx_mtu : clnp_badmtu(ifp, rt, __LINE__, __FILE__))\
+ - trollctl.tr_mtu_adj)
+
+#ifdef _KERNEL
+extern float troll_random;
+#endif
+
+#else /* NO TROLL */
+
+#define SN_OUTPUT(clcp, m)\
+ (*clcp->clc_ifp->if_output)(clcp->clc_ifp, m, clcp->clc_firsthop, \
+ clcp->clc_rt)
+
+#define SN_MTU(ifp, rt) (((rt && rt->rt_rmx.rmx_mtu) ?\
+ rt->rt_rmx.rmx_mtu : clnp_badmtu(ifp, rt, __LINE__, __FILE__)))
+
+#endif /* TROLL */
+
+/*
+ * Macro to remove an address from a clnp header
+ */
+#define CLNP_EXTRACT_ADDR(isoa, hoff, hend)\
+ {\
+ isoa.isoa_len = (u_char)*hoff;\
+ if ((((++hoff) + isoa.isoa_len) > hend) ||\
+ (isoa.isoa_len > 20) || (isoa.isoa_len == 0)) {\
+ hoff = (caddr_t)0;\
+ } else {\
+ (void) bcopy(hoff, (caddr_t)isoa.isoa_genaddr, \
+ isoa.isoa_len);\
+ hoff += isoa.isoa_len;\
+ }\
+ }
+
+/*
+ * Macro to insert an address into a clnp header
+ */
+#define CLNP_INSERT_ADDR(hoff, isoa)\
+ *hoff++ = (isoa).isoa_len;\
+ (void) bcopy((caddr_t)((isoa).isoa_genaddr), hoff, (isoa).isoa_len);\
+ hoff += (isoa).isoa_len;
+
+/*
+ * Clnp hdr cache. Whenever a clnp packet is sent, a copy of the
+ * header is made and kept in this cache. In addition to a copy of
+ * the cached clnp hdr, the cache contains
+ * information necessary to determine whether the new packet
+ * to send requires a new header to be built.
+ */
+struct clnp_cache {
+ /* these fields are used to check the validity of the cache */
+ struct iso_addr clc_dst;/* destination of packet */
+ struct mbuf *clc_options; /* ptr to options mbuf */
+ int clc_flags; /* flags passed to clnp_output */
+
+ /* these fields are state that clnp_output requires to finish the pkt */
+ int clc_segoff; /* offset of seg part of header */
+ struct rtentry *clc_rt; /* ptr to rtentry (points into the route
+ * structure) */
+ struct sockaddr *clc_firsthop; /* first hop of packet */
+ struct ifnet *clc_ifp;/* ptr to interface structure */
+ struct iso_ifaddr
+ *clc_ifa;/* ptr to interface address */
+ struct mbuf *clc_hdr;/* cached pkt hdr (finally)! */
+};
+
+#ifdef _KERNEL
+struct iso_addr;
+struct sockaddr_iso;
+struct mbuf;
+struct clnp_segment;
+struct sockaddr;
+struct rt_entry;
+struct clnp_fragl;
+struct clnp_optidx;
+struct isopcb;
+struct snpa_hdr;
+struct iso_ifaddr;
+struct route_iso;
+
+/* clnp_debug.c */
+char *clnp_hexp __P((char *, int, char *));
+char *clnp_iso_addrp __P((struct iso_addr *));
+char *clnp_saddr_isop __P((struct sockaddr_iso *));
+
+/* clnp_er.c */
+void clnp_er_input __P((struct mbuf *, struct iso_addr *, u_int));
+void clnp_discard __P((struct mbuf *, u_int));
+void clnp_emit_er __P((struct mbuf *, u_int));
+int clnp_er_index __P((u_int));
+
+int clnp_fragment __P((struct ifnet *, struct mbuf *, struct sockaddr *,
+ int, int, int, struct rtentry *));
+struct mbuf *clnp_reass __P((struct mbuf *, struct iso_addr *,
+ struct iso_addr *, struct clnp_segment *));
+int clnp_newpkt __P((struct mbuf *, struct iso_addr *, struct iso_addr *,
+ struct clnp_segment *));
+void clnp_insert_frag __P((struct clnp_fragl *, struct mbuf *,
+ struct clnp_segment *));
+struct mbuf *clnp_comp_pdu __P((struct clnp_fragl *));
+#ifdef TROLL
+float troll_random __P((void));
+int troll_output __P((struct ifnet *, struct mbuf *, struct sockaddr *,
+ struct rtentry *));
+#endif
+
+/* clnp_input.c */
+void clnp_init __P((void));
+void clnlintr __P((void));
+void clnp_input __P((struct mbuf *, ...));
+
+/* clnp_options.c */
+void clnp_update_srcrt __P((struct mbuf *, struct clnp_optidx *));
+void clnp_dooptions __P((struct mbuf *, struct clnp_optidx *, struct ifnet *,
+ struct iso_addr *));
+int clnp_set_opts __P((struct mbuf **, struct mbuf **));
+int clnp_opt_sanity __P((struct mbuf *, caddr_t, int, struct clnp_optidx *));
+
+/* clnp_output.c */
+int clnp_output __P((struct mbuf *, ...));
+void clnp_ctloutput __P((void));
+
+/* clnp_raw.c */
+void rclnp_input __P((struct mbuf *, ...));
+int rclnp_output __P((struct mbuf *, ...));
+int rclnp_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
+int clnp_usrreq __P((struct socket *, int, struct mbuf *, struct mbuf *,
+ struct mbuf *, struct proc *));
+
+/* clnp_subr.c */
+struct mbuf *clnp_data_ck __P((struct mbuf *, int));
+caddr_t clnp_extract_addr __P((caddr_t, int, struct iso_addr *,
+ struct iso_addr *));
+int clnp_ours __P((struct iso_addr *));
+void clnp_forward __P((struct mbuf *, int, struct iso_addr *,
+ struct clnp_optidx *, int, struct snpa_hdr *));
+caddr_t clnp_insert_addr __P((caddr_t, struct iso_addr *, struct iso_addr *));
+int clnp_route __P((struct iso_addr *, struct route_iso *, int,
+ struct sockaddr **, struct iso_ifaddr **));
+int clnp_srcroute __P((struct mbuf *, struct clnp_optidx *, struct route_iso *,
+ struct sockaddr **, struct iso_ifaddr **,
+ struct iso_addr *));
+int clnp_echoreply __P((struct mbuf *, int, struct sockaddr_iso *,
+ struct sockaddr_iso *, struct clnp_optidx *));
+int clnp_badmtu __P((struct ifnet *, struct rtentry *, int, char *));
+void clnp_ypocb __P((caddr_t, caddr_t, u_int));
+
+/* clnp_timer.c */
+struct clnp_fragl *clnp_freefrags __P((struct clnp_fragl *));
+void clnp_slowtimo __P((void));
+void clnp_drain __P((void));
+
+#ifdef TROLL
+struct troll trollctl;
+#endif /* TROLL */
+
+#endif /* _KERNEL */
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