sys/netkey/keysock.h

   1 /*      $NetBSD: keysock.h,v 1.14 2008/04/23 07:29:47 thorpej Exp $     */
   2 /*      $KAME: keysock.h,v 1.8 2000/03/27 05:11:06 sumikawa 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 #ifndef _NETKEY_KEYSOCK_H_
  34 #define _NETKEY_KEYSOCK_H_
  35
  36 /* statistics for pfkey socket */
  37 #define PFKEY_STAT_OUT_TOTAL    0       /* # of total calls */
  38 #define PFKEY_STAT_OUT_BYTES    1       /* total bytecount */
  39 #define PFKEY_STAT_OUT_MSGTYPE  2       /* message type histogram */
  40                 /* space for 256 counters */
  41 #define PFKEY_STAT_OUT_INVLEN   258     /* invalid length field */
  42 #define PFKEY_STAT_OUT_INVVER   259     /* invalid version field */
  43 #define PFKEY_STAT_OUT_INVMSGTYPE 260   /* invalid message type field */
  44 #define PFKEY_STAT_OUT_TOOSHORT 261     /* message too short */
  45 #define PFKEY_STAT_OUT_NOMEM    262     /* memory allocation failure */
  46 #define PFKEY_STAT_OUT_DUPEXT   263     /* duplicate extension */
  47 #define PFKEY_STAT_OUT_INVEXTTYPE 264   /* invalid extension type */
  48 #define PFKEY_STAT_OUT_INVSATYPE 265    /* invalid sa type */
  49 #define PFKEY_STAT_OUT_INVADDR  266     /* invalid address extension */
  50 #define PFKEY_STAT_IN_TOTAL     267     /* # of total calls */
  51 #define PFKEY_STAT_IN_BYTES     268     /* total bytecount */
  52 #define PFKEY_STAT_IN_MSGTYPE   269     /* message type histogram */
  53                 /* space for 256 counters */
  54 #define PFKEY_STAT_IN_MSGTARGET 525     /* one/all/registered */
  55                 /* space for 3 counters */
  56 #define PFKEY_STAT_IN_NOMEM     528     /* memory alloation failure */
  57 #define PFKEY_STAT_SOCKERR      529     /* # of socket related errors */
  58
  59 #define PFKEY_NSTATS            530
  60
  61 #define KEY_SENDUP_ONE          0
  62 #define KEY_SENDUP_ALL          1
  63 #define KEY_SENDUP_REGISTERED   2
  64 #define KEY_SENDUP_CANWAIT      4
  65
  66 #ifdef _KERNEL
  67 struct keycb {
  68         struct rawcb kp_raw;    /* rawcb */
  69         int kp_promisc;         /* promiscuous mode */
  70         int kp_registered;      /* registered socket */
  71         int (*kp_receive) (struct socket *, struct mbuf **, struct uio *,
  72                 struct mbuf **, struct mbuf **, int *);
  73         struct mbuf *kp_queue;  /* queued mbufs, linked by m_nextpkt */
  74 };
  75
  76 extern int key_output(struct mbuf *, ...);
  77 #ifndef __NetBSD__
  78 extern int key_usrreq(struct socket *,
  79         int, struct mbuf *, struct mbuf *, struct mbuf *);
  80 #else
  81 extern int key_usrreq(struct socket *,
  82         int, struct mbuf *, struct mbuf *, struct mbuf *, struct lwp *);
  83 #endif
  84
  85 extern int key_sendup_mbuf(struct socket *, struct mbuf *, int);
  86 #endif /* _KERNEL */
  87
  88 #endif /* !_NETKEY_KEYSOCK_H_ */