The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netinet6/udp6_var.h

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    1 /*      $NetBSD: udp6_var.h,v 1.31 2022/10/28 05:18:39 ozaki-r 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 
   92 #ifdef _KERNEL
   93 
   94 extern const struct pr_usrreqs udp6_usrreqs;
   95 
   96 void    *udp6_ctlinput(int, const struct sockaddr *, void *);
   97 int     udp6_ctloutput(int, struct socket *, struct sockopt *);
   98 void    udp6_init(void);
   99 int     udp6_input(struct mbuf **, int *, int);
  100 int     udp6_output(struct inpcb *, struct mbuf *, struct sockaddr_in6 *,
  101     struct mbuf *, struct lwp *);
  102 int     udp6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
  103 int     udp6_usrreq(struct socket *, int, struct mbuf *, struct mbuf *,
  104     struct mbuf *, struct lwp *);
  105 int     udp6_realinput(int, struct sockaddr_in6 *, struct sockaddr_in6 *,
  106     struct mbuf **, int);
  107 int     udp6_input_checksum(struct mbuf *, const struct udphdr *, int, int);
  108 
  109 void    udp6_statinc(u_int);
  110 #endif /* _KERNEL */
  111 
  112 #endif /* !_NETINET6_UDP6_VAR_H_ */

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