FreeBSD/Linux Kernel Cross Reference
sys/netgraph/ng_eiface.h

     /*
      * ng_eiface.h
      *
      * Copyright (c) 1999-2001, Vitaly V Belekhov
      * 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 unmodified, 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
     *
     *      $FreeBSD: releng/5.3/sys/netgraph/ng_eiface.h 136588 2004-10-16 08:43:07Z cvs2svn $
     */
    
    #ifndef _NETGRAPH_NG_EIFACE_H_
    #define _NETGRAPH_NG_EIFACE_H_
    
    /* Node type name and magic cookie */
    #define NG_EIFACE_NODE_TYPE             "eiface"
    #define NGM_EIFACE_COOKIE               948105892
    
    /* Interface base name */
    #define NG_EIFACE_EIFACE_NAME           "ngeth"
    #define NG_EIFACE_EIFACE_NAME_MAX       15
    
    /* My hook names */
    #define NG_EIFACE_HOOK_ETHER            "ether"
    
    /* MTU bounds */
    #define NG_EIFACE_MTU_MIN               72
    #define NG_EIFACE_MTU_MAX               2312
    #define NG_EIFACE_MTU_DEFAULT           1500
    
    /* Netgraph commands */
    enum {
            NGM_EIFACE_GET_IFNAME = 1,      /* returns struct ng_eiface_ifname */
            NGM_EIFACE_GET_IFADDRS,         /* returns list of addresses */
            NGM_EIFACE_SET,                 /* set ethernet address */
    };
    
    struct ng_eiface_ifname {
            char    ngif_name[NG_EIFACE_EIFACE_NAME_MAX + 1];
    };
    
    #endif /* _NETGRAPH_NG_EIFACE_H_ */

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