FreeBSD/Linux Kernel Cross Reference
sys/netipsec/keysock.h

     /*      $FreeBSD$       */
     /*      $KAME: keysock.h,v 1.8 2000/03/27 05:11:06 sumikawa Exp $       */
     
     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
      * All rights reserved.
      *
     * 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. Neither the name of the project 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 BY THE PROJECT 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 PROJECT 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.
     */
    
    #ifndef _NETIPSEC_KEYSOCK_H_
    #define _NETIPSEC_KEYSOCK_H_
    
    /* statistics for pfkey socket */
    struct pfkeystat {
            /* kernel -> userland */
            uint64_t out_total;             /* # of total calls */
            uint64_t out_bytes;             /* total bytecount */
            uint64_t out_msgtype[256];      /* message type histogram */
            uint64_t out_invlen;            /* invalid length field */
            uint64_t out_invver;            /* invalid version field */
            uint64_t out_invmsgtype;        /* invalid message type field */
            uint64_t out_tooshort;          /* msg too short */
            uint64_t out_nomem;             /* memory allocation failure */
            uint64_t out_dupext;            /* duplicate extension */
            uint64_t out_invexttype;        /* invalid extension type */
            uint64_t out_invsatype;         /* invalid sa type */
            uint64_t out_invaddr;           /* invalid address extension */
            /* userland -> kernel */
            uint64_t in_total;              /* # of total calls */
            uint64_t in_bytes;              /* total bytecount */
            uint64_t in_msgtype[256];       /* message type histogram */
            uint64_t in_msgtarget[3];       /* one/all/registered */
            uint64_t in_nomem;              /* memory allocation failure */
            /* others */
            uint64_t sockerr;               /* # of socket related errors */
    };
    
    #define KEY_SENDUP_ONE          0
    #define KEY_SENDUP_ALL          1
    #define KEY_SENDUP_REGISTERED   2
    
    #ifdef _KERNEL
    #include <sys/counter.h>
    
    SYSCTL_DECL(_net_key);
    
    struct keycb {
            LIST_ENTRY(keycb) kp_next;
            struct socket *kp_socket;
            int kp_promisc;         /* promiscuous mode */
            int kp_registered;      /* registered socket */
    };
    
    VNET_PCPUSTAT_DECLARE(struct pfkeystat, pfkeystat);
    #define PFKEYSTAT_ADD(name, val)        \
        VNET_PCPUSTAT_ADD(struct pfkeystat, pfkeystat, name, (val))
    #define PFKEYSTAT_INC(name)             PFKEYSTAT_ADD(name, 1)
    
    int key_output(struct mbuf *m, struct socket *so, ...);
    int key_sendup_mbuf(struct socket *, struct mbuf *, int);
    #endif /* _KERNEL */
    
    #endif /*_NETIPSEC_KEYSOCK_H_*/

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