1/* 2 * Copyright (c) 1999-2010 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28#ifndef IPTAP_H 29#define IPTAP_H 30 31#include <net/if.h> 32 33#define IPTAP_CONTROL_NAME "com.apple.net.iptap_control" 34 35#define IPTAP_BUFFERSZ (128 * 1024) 36#define IPTAP_VERSION_1 0x1 37 38enum { 39 IPTAP_OUTPUT_TAG = 0x01, 40 IPTAP_INPUT_TAG = 0x10, 41 IPTAP_UNKNOWN_TAG = 0x11 42}; 43 44#pragma pack(push) 45#pragma pack(1) 46 47typedef struct iptap_hdr_t { 48 uint32_t hdr_length; 49 uint8_t version; 50 uint32_t length; 51 uint8_t type; 52 uint16_t unit; 53 uint8_t io; 54 uint32_t protocol_family; 55 uint32_t frame_pre_length; 56 uint32_t frame_pst_length; 57 char if_name[IFNAMSIZ]; 58} __attribute__ ((__packed__)) iptap_hdr_t; 59 60#pragma pack(pop) 61 62#ifdef KERNEL_PRIVATE 63 64extern void iptap_init(void); 65extern void iptap_ipf_input(struct ifnet *, protocol_family_t, struct mbuf *, char *); 66extern void iptap_ipf_output(struct ifnet *, protocol_family_t, struct mbuf *, u_int32_t, u_int32_t); 67#if 0 68extern void iptap_destroy(void); 69#endif 70 71#endif /* KERNEL_PRIVATE */ 72#endif /* IPTAP_H */