sys/netinet6/udp6_var.h

   1 /*      $NetBSD: udp6_var.h,v 1.28 2015/05/02 17:18:03 rtr Exp $        */
   2 /*      $KAME: udp6_var.h,v 1.11 2000/06/05 00:14:31 itojun Exp $       */
   3
   4 /*
   5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the project nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Copyright (c) 1982, 1986, 1989, 1993
  35  *      The Regents of the University of California.  All rights reserved.
  36  *
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions
  39  * are met:
  40  * 1. Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  * 2. Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in the
  44  *    documentation and/or other materials provided with the distribution.
  45  * 3. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)udp_var.h   8.1 (Berkeley) 6/10/93
  62  */
  63
  64 #ifndef _NETINET6_UDP6_VAR_H_
  65 #define _NETINET6_UDP6_VAR_H_
  66
  67 /*
  68  * UDP Kernel structures and variables.
  69  */
  70
  71 #define UDP6_STAT_IPACKETS      0       /* total input packets */
  72 #define UDP6_STAT_HDROPS        1       /* packet shorter than header */
  73 #define UDP6_STAT_BADSUM        2       /* checksum error */
  74 #define UDP6_STAT_NOSUM         3       /* no checksum */
  75 #define UDP6_STAT_BADLEN        4       /* data length larger than packet */
  76 #define UDP6_STAT_NOPORT        5       /* no socket on port */
  77 #define UDP6_STAT_NOPORTMCAST   6       /* of above, arrived as multicast */
  78 #define UDP6_STAT_FULLSOCK      7       /* not delivered, input socket full */
  79 #define UDP6_STAT_PCBCACHEMISS  8       /* input packets missing pcb cache */
  80 #define UDP6_STAT_OPACKETS      9       /* total output packets */
  81
  82 #define UDP6_NSTATS             10
  83
  84 /*
  85  * Names for UDP6 sysctl objects
  86  */
  87 #define UDP6CTL_SENDSPACE       1       /* default send buffer */
  88 #define UDP6CTL_RECVSPACE       2       /* default recv buffer */
  89 #define UDP6CTL_LOOPBACKCKSUM   3       /* do UDP checksum on loopback? */
  90 #define UDP6CTL_STATS           4       /* udp6 statistics */
  91 #define UDP6CTL_MAXID           5
  92
  93 #define UDP6CTL_NAMES { \
  94         { 0, 0 }, \
  95         { "sendspace", CTLTYPE_INT }, \
  96         { "recvspace", CTLTYPE_INT }, \
  97         { "do_loopback_cksum", CTLTYPE_INT }, \
  98         { "stats", CTLTYPE_STRUCT }, \
  99 }
 100
 101 #ifdef _KERNEL
 102
 103 extern const struct pr_usrreqs udp6_usrreqs;
 104
 105 void    *udp6_ctlinput(int, const struct sockaddr *, void *);
 106 int     udp6_ctloutput(int, struct socket *, struct sockopt *);
 107 void    udp6_init(void);
 108 int     udp6_input(struct mbuf **, int *, int);
 109 int     udp6_output(struct in6pcb *, struct mbuf *, struct sockaddr_in6 *,
 110     struct mbuf *, struct lwp *);
 111 int     udp6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
 112 int     udp6_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
 113     struct mbuf *, struct lwp *);
 114 int     udp6_realinput(int, struct sockaddr_in6 *, struct sockaddr_in6 *,
 115     struct mbuf *, int);
 116 int     udp6_input_checksum(struct mbuf *, const struct udphdr *, int, int);
 117
 118 void    udp6_statinc(u_int);
 119 #endif /* _KERNEL */
 120
 121 #endif /* !_NETINET6_UDP6_VAR_H_ */