/*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. All rights reserved.
*
- * Redistribution is only permitted until one year after the first shipment
- * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
- * binary forms are permitted provided that: (1) source distributions retain
- * this entire copyright notice and comment, and (2) distributions including
- * binaries display the following acknowledgement: This product includes
- * software developed by the University of California, Berkeley and its
- * contributors'' in the documentation or other materials provided with the
- * distribution and in all advertising materials mentioning features or use
- * of this software. 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 AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * 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.
*
- * @(#)ip_var.h 7.7 (Berkeley) 6/28/90
+ * 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.
+ *
+ * @(#)ip_var.h 8.1 (Berkeley) 6/10/93
*/
/*
u_char ip_v:4,
ip_hl:4;
#endif
- u_char ipf_mff; /* copied from (ip_off&IP_MF) */
+ u_char ipf_mff; /* XXX overlays ip_tos: use low bit
+ * to avoid destroying tos;
+ * copied from (ip_off&IP_MF) */
short ip_len;
u_short ip_id;
short ip_off;
char ipopt_list[MAX_IPOPTLEN]; /* options proper */
};
+/*
+ * Structure attached to inpcb.ip_moptions and
+ * passed to ip_output when IP multicast options are in use.
+ */
+struct ip_moptions {
+ struct ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */
+ u_char imo_multicast_ttl; /* TTL for outgoing multicasts */
+ u_char imo_multicast_loop; /* 1 => hear sends if a member */
+ u_short imo_num_memberships; /* no. memberships this socket */
+ struct in_multi *imo_membership[IP_MAX_MEMBERSHIPS];
+};
+
struct ipstat {
- long ips_total; /* total packets received */
- long ips_badsum; /* checksum bad */
- long ips_tooshort; /* packet too short */
- long ips_toosmall; /* not enough data */
- long ips_badhlen; /* ip header length < data size */
- long ips_badlen; /* ip length < ip header length */
- long ips_fragments; /* fragments received */
- long ips_fragdropped; /* frags dropped (dups, out of space) */
- long ips_fragtimeout; /* fragments timed out */
- long ips_forward; /* packets forwarded */
- long ips_cantforward; /* packets rcvd for unreachable dest */
- long ips_redirectsent; /* packets forwarded on same net */
- long ips_noproto; /* unknown or unsupported protocol */
- long ips_delivered; /* packets consumed here */
- long ips_localout; /* total ip packets generated here */
- long ips_odropped; /* lost packets due to nobufs, etc. */
- long ips_reassembled; /* total packets reassembled ok */
- long ips_fragmented; /* output packets fragmented ok */
- long ips_ofragments; /* output fragments created */
- long ips_cantfrag; /* don't fragment flag was set, etc. */
+ u_long ips_total; /* total packets received */
+ u_long ips_badsum; /* checksum bad */
+ u_long ips_tooshort; /* packet too short */
+ u_long ips_toosmall; /* not enough data */
+ u_long ips_badhlen; /* ip header length < data size */
+ u_long ips_badlen; /* ip length < ip header length */
+ u_long ips_fragments; /* fragments received */
+ u_long ips_fragdropped; /* frags dropped (dups, out of space) */
+ u_long ips_fragtimeout; /* fragments timed out */
+ u_long ips_forward; /* packets forwarded */
+ u_long ips_cantforward; /* packets rcvd for unreachable dest */
+ u_long ips_redirectsent; /* packets forwarded on same net */
+ u_long ips_noproto; /* unknown or unsupported protocol */
+ u_long ips_delivered; /* datagrams delivered to upper level*/
+ u_long ips_localout; /* total ip packets generated here */
+ u_long ips_odropped; /* lost packets due to nobufs, etc. */
+ u_long ips_reassembled; /* total packets reassembled ok */
+ u_long ips_fragmented; /* datagrams sucessfully fragmented */
+ u_long ips_ofragments; /* output fragments created */
+ u_long ips_cantfrag; /* don't fragment flag was set, etc. */
+ u_long ips_badoptions; /* error in option processing */
+ u_long ips_noroute; /* packets discarded due to no route */
+ u_long ips_badvers; /* ip version != 4 */
+ u_long ips_rawout; /* total raw ip packets generated */
};
#ifdef KERNEL
/* flags passed to ip_output as last parameter */
#define IP_FORWARDING 0x1 /* most of ip header exists */
+#define IP_RAWOUTPUT 0x2 /* raw ip header exists */
#define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */
#define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
struct ipstat ipstat;
struct ipq ipq; /* ip reass. queue */
u_short ip_id; /* ip packet ctr, for ids */
+int ip_defttl; /* default IP ttl */
-struct mbuf *ip_srcroute();
+int in_control __P((struct socket *, int, caddr_t, struct ifnet *));
+int ip_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
+void ip_deq __P((struct ipasfrag *));
+int ip_dooptions __P((struct mbuf *));
+void ip_drain __P((void));
+void ip_enq __P((struct ipasfrag *, struct ipasfrag *));
+void ip_forward __P((struct mbuf *, int));
+void ip_freef __P((struct ipq *));
+void ip_freemoptions __P((struct ip_moptions *));
+int ip_getmoptions __P((int, struct ip_moptions *, struct mbuf **));
+void ip_init __P((void));
+int ip_mforward __P((struct mbuf *, struct ifnet *));
+int ip_optcopy __P((struct ip *, struct ip *));
+int ip_output __P((struct mbuf *,
+ struct mbuf *, struct route *, int, struct ip_moptions *));
+int ip_pcbopts __P((struct mbuf **, struct mbuf *));
+struct ip *
+ ip_reass __P((struct ipasfrag *, struct ipq *));
+struct in_ifaddr *
+ ip_rtaddr __P((struct in_addr));
+int ip_setmoptions __P((int, struct ip_moptions **, struct mbuf *));
+void ip_slowtimo __P((void));
+struct mbuf *
+ ip_srcroute __P((void));
+void ip_stripoptions __P((struct mbuf *, struct mbuf *));
+int ip_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
+void ipintr __P((void));
+int rip_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
+void rip_init __P((void));
+void rip_input __P((struct mbuf *));
+int rip_output __P((struct mbuf *, struct socket *, u_long));
+int rip_usrreq __P((struct socket *,
+ int, struct mbuf *, struct mbuf *, struct mbuf *));
#endif