sys/netgraph/eiface/ng_eiface.h

   1 /*
   2  * ng_eiface.h
   3  *
   4  * Copyright (c) 1999-2000, Vitaly V Belekhov
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice unmodified, this list of conditions, and the following
  12  *    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  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      $Id: ng_eiface.h,v 1.4 2000/03/06 09:46:14 vitaly Exp $
  30  * $FreeBSD: src/sys/netgraph/ng_eiface.h,v 1.2.2.4 2002/12/12 23:36:39 julian Exp $
  31  * $DragonFly: src/sys/netgraph/eiface/ng_eiface.h,v 1.2 2003/06/17 04:28:49 dillon Exp $
  32  */
  33
  34 #ifndef _NETGRAPH_EIFACE_H_
  35 #define _NETGRAPH_EIFACE_H_
  36
  37 /* Node type name and magic cookie */
  38 #define NG_EIFACE_NODE_TYPE             "eiface"
  39 #define NGM_EIFACE_COOKIE               948105892
  40
  41 /* Interface base name */
  42 #define NG_EIFACE_EIFACE_NAME           "ngeth"
  43 #define NG_EIFACE_EIFACE_NAME_MAX               15
  44
  45 /* My hook names */
  46 #define NG_EIFACE_HOOK_ETHER            "ether"
  47
  48 /* MTU bounds */
  49 #define NG_EIFACE_MTU_MIN               72
  50 #define NG_EIFACE_MTU_MAX               2312
  51 #define NG_EIFACE_MTU_DEFAULT           1500
  52
  53 /* Netgraph commands */
  54 enum {
  55         NGM_EIFACE_GET_IFNAME = 1,      /* returns struct ng_eiface_ifname */
  56         NGM_EIFACE_GET_IFADDRS,         /* returns list of addresses */
  57         NGM_EIFACE_SET,                 /* set ethernet address */
  58 };
  59
  60 struct ng_eiface_ifname {
  61         char    ngif_name[NG_EIFACE_EIFACE_NAME_MAX + 1];
  62 };
  63
  64 struct ng_eiface_par {
  65     u_char oct0;
  66     u_char oct1;
  67     u_char oct2;
  68     u_char oct3;
  69     u_char oct4;
  70     u_char oct5;
  71 };
  72
  73 /* Keep this in sync with the above structure definition */
  74 #define NG_EIFACE_PAR_FIELDS    {                               \
  75     { "oct0",           &ng_parse_int8_type     },              \
  76     { "oct1",           &ng_parse_int8_type     },              \
  77     { "oct2",           &ng_parse_int8_type     },              \
  78     { "oct3",           &ng_parse_int8_type     },              \
  79     { "oct4",           &ng_parse_int8_type     },              \
  80     { "oct5",           &ng_parse_int8_type     },              \
  81     { NULL }                                                    \
  82 }
  83
  84 #endif /* _NETGRAPH_EIFACE_H_ */