BSD 4_4 release

[unix-history] / usr / src / sys / netinet / ip_var.h

diff --git a/usr/src/sys/netinet/ip_var.h b/usr/src/sys/netinet/ip_var.h
index 29367f5..27eda5e 100644 (file)
--- a/usr/src/sys/netinet/ip_var.h
+++ b/usr/src/sys/netinet/ip_var.h
@@ -1,23 +1,36 @@
 /*
 /*

- * 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

  */
 
 /*
  */
 
 /*


@@ -62,7 +75,9 @@ struct        ipasfrag {
        u_char  ip_v:4,
                ip_hl:4;
 #endif
        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;
        short   ip_len;
        u_short ip_id;
        short   ip_off;


@@ -86,38 +101,88 @@ struct ipoption {
        char    ipopt_list[MAX_IPOPTLEN];       /* options proper */
 };
 
        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 {
 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 */
 };
 
 #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 */
 #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
 #endif