| 1 | /* $Id: if.h 28449 2010-04-19 09:52:59Z vboxsync $ */
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| 2 | /** @file
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| 3 | * NAT - if_*.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2010 Sun Microsystems, Inc.
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 19 | * additional information or have any questions.
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| 20 | */
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| 21 |
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| 22 | /*
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| 23 | * This code is based on:
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| 24 | *
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| 25 | * Copyright (c) 1995 Danny Gasparovski.
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| 26 | *
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| 27 | * Please read the file COPYRIGHT for the
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| 28 | * terms and conditions of the copyright.
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| 29 | */
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| 30 |
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| 31 | #ifndef _IF_H_
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| 32 | #define _IF_H_
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| 33 |
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| 34 | #define IF_COMPRESS 0x01 /* We want compression */
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| 35 | #define IF_NOCOMPRESS 0x02 /* Do not do compression */
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| 36 | #define IF_AUTOCOMP 0x04 /* Autodetect (default) */
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| 37 | #define IF_NOCIDCOMP 0x08 /* CID compression */
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| 38 |
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| 39 | /* Needed for FreeBSD */
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| 40 | #undef if_mtu
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| 41 | extern int if_mtu;
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| 42 | extern int if_mru; /* MTU and MRU */
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| 43 | extern int if_comp; /* Flags for compression */
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| 44 | extern int if_maxlinkhdr;
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| 45 | extern int if_queued; /* Number of packets queued so far */
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| 46 | extern int if_thresh; /* Number of packets queued before we start sending
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| 47 | * (to prevent allocing too many mbufs) */
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| 48 |
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| 49 | extern struct mbuf if_fastq; /* fast queue (for interactive data) */
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| 50 | extern struct mbuf if_batchq; /* queue for non-interactive data */
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| 51 | extern struct mbuf *next_m;
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| 52 |
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| 53 | #define ifs_init(ifm) ((ifm)->ifs_next = (ifm)->ifs_prev = (ifm))
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| 54 |
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| 55 | #ifdef ETH_P_ARP
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| 56 | # undef ETH_P_ARP
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| 57 | #endif /* ETH_P_ARP*/
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| 58 | #define ETH_P_ARP 0x0806 /* Address Resolution packet */
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| 59 |
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| 60 | #ifdef ETH_P_IP
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| 61 | # undef ETH_P_IP
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| 62 | #endif /* ETH_P_IP */
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| 63 | #define ETH_P_IP 0x0800 /* Internet Protocol packet */
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| 64 |
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| 65 | #ifdef ETH_P_IPV6
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| 66 | # undef ETH_P_IPV6
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| 67 | #endif /* ETH_P_IPV6 */
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| 68 | #define ETH_P_IPV6 0x86DD /* IPv6 */
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| 69 |
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| 70 | #endif
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