root/sys/netgraph/eiface/ng_eiface.h
/*
 * ng_eiface.h
 *
 * Copyright (c) 1999-2000, 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.
 *
 *      $Id: ng_eiface.h,v 1.4 2000/03/06 09:46:14 vitaly Exp $
 * $FreeBSD: src/sys/netgraph/ng_eiface.h,v 1.2.2.4 2002/12/12 23:36:39 julian Exp $
 * $DragonFly: src/sys/netgraph/eiface/ng_eiface.h,v 1.2 2003/06/17 04:28:49 dillon Exp $
 */

#ifndef _NETGRAPH_EIFACE_H_
#define _NETGRAPH_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];
};

struct ng_eiface_par {
    u_char oct0;
    u_char oct1;
    u_char oct2;
    u_char oct3;
    u_char oct4;
    u_char oct5;
};

/* Keep this in sync with the above structure definition */
#define NG_EIFACE_PAR_FIELDS    {                               \
    { "oct0",           &ng_parse_int8_type     },              \
    { "oct1",           &ng_parse_int8_type     },              \
    { "oct2",           &ng_parse_int8_type     },              \
    { "oct3",           &ng_parse_int8_type     },              \
    { "oct4",           &ng_parse_int8_type     },              \
    { "oct5",           &ng_parse_int8_type     },              \
    { NULL }                                                    \
}

#endif /* _NETGRAPH_EIFACE_H_ */