The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*
    2  * ng_eiface.h
    3  */
    4 
    5 /*-
    6  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    7  *
    8  * Copyright (c) 1999-2001, Vitaly V Belekhov
    9  * All rights reserved.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice unmodified, this list of conditions, and the following
   16  *    disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  * $FreeBSD: releng/12.0/sys/netgraph/ng_eiface.h 326272 2017-11-27 15:23:17Z pfg $
   34  */
   35 
   36 #ifndef _NETGRAPH_NG_EIFACE_H_
   37 #define _NETGRAPH_NG_EIFACE_H_
   38 
   39 /* Node type name and magic cookie */
   40 #define NG_EIFACE_NODE_TYPE             "eiface"
   41 #define NGM_EIFACE_COOKIE               948105892
   42 
   43 /* Interface base name */
   44 #define NG_EIFACE_EIFACE_NAME           "ngeth"
   45 
   46 /* My hook names */
   47 #define NG_EIFACE_HOOK_ETHER            "ether"
   48 
   49 /* MTU bounds */
   50 #define NG_EIFACE_MTU_MIN               72
   51 #define NG_EIFACE_MTU_MAX               ETHER_MAX_LEN_JUMBO
   52 #define NG_EIFACE_MTU_DEFAULT           1500
   53 
   54 /* Netgraph commands */
   55 enum {
   56         NGM_EIFACE_GET_IFNAME = 1,      /* get the interface name */
   57         NGM_EIFACE_GET_IFADDRS,         /* returns list of addresses */
   58         NGM_EIFACE_SET,                 /* set ethernet address */
   59 };
   60 
   61 #endif /* _NETGRAPH_NG_EIFACE_H_ */

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