65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
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* Copyright 2003-2018 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _NET_IF_TUN_H
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#define _NET_IF_TUN_H
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#include <sys/sockio.h>
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/*
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* public API for tun/tap device.
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* This API is compatible with the Linux tun/tap driver from
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* http://vtun.sourceforge.net/tun/index.html
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*/
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/* max of each type */
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#define TUN_MAX_DEV 10
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/*255*/
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/* TX queue size */
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#define TUN_TXQ_SIZE 10
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/* Max frame size */
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#define TUN_MAX_FRAME 4096
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/* TUN device flags */
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#define TUN_TUN_DEV 0x0001
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#define TUN_TAP_DEV 0x0002
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#define TUN_TYPE_MASK 0x000f
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/* not yet*//*#define TUN_FASYNC 0x0010*/
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#define TUN_NOCHECKSUM 0x0020
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#define TUN_NO_PI 0x0040
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#define TUN_IFF_SET 0x1000
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/* Ioctl defines */
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/* XXX: NOT OFFICIAL */
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#define TUNSETNOCSUM (B_DEVICE_OP_CODES_END+0x90)
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#define TUNSETDEBUG (B_DEVICE_OP_CODES_END+0x91)
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#define TUNSETIFF (B_DEVICE_OP_CODES_END+0x92)
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/* get/set MAC address */
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//#define SIOCGIFHWADDR (BONE_SOCKIO_IOCTL_BASE+0x95)
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//#define SIOCSIFHWADDR (BONE_SOCKIO_IOCTL_BASE+0x96)
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/* TUNSETIFF ifr flags */
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#define IFF_TUN 0x0001
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#define IFF_TAP 0x0002
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#define IFF_NO_PI 0x1000
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/* XXX: fix the confusion about which *NO_PI go where ! */
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struct tun_pi {
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unsigned short flags;
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unsigned short proto;
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};
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/* tun_pi::flags */
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#define TUN_PKT_STRIP 0x0001
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#define TUN_DEVICE "/dev/config/tun"
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#endif /* __IF_TUN_H */
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