/*
 * Copyright (c) 2012-2017 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#ifndef __FLOW_DIVERT_PROTO_H__
#define __FLOW_DIVERT_PROTO_H__

#define FLOW_DIVERT_CONTROL_NAME		"com.apple.flow-divert"

#define FLOW_DIVERT_TLV_LENGTH_UINT32	1

#define FLOW_DIVERT_PKT_CONNECT			1
#define FLOW_DIVERT_PKT_CONNECT_RESULT		2
#define FLOW_DIVERT_PKT_DATA			3
#define FLOW_DIVERT_PKT_CLOSE			4
#define FLOW_DIVERT_PKT_READ_NOTIFY		5
#define FLOW_DIVERT_PKT_GROUP_INIT		6
#define FLOW_DIVERT_PKT_PROPERTIES_UPDATE	7
#define FLOW_DIVERT_PKT_APP_MAP_CREATE		9

#define FLOW_DIVERT_TLV_NIL			0
#define FLOW_DIVERT_TLV_ERROR_CODE		5
#define FLOW_DIVERT_TLV_HOW			7
#define FLOW_DIVERT_TLV_READ_COUNT		8
#define FLOW_DIVERT_TLV_SPACE_AVAILABLE		9
#define FLOW_DIVERT_TLV_CTL_UNIT		10
#define FLOW_DIVERT_TLV_LOCAL_ADDR		11
#define FLOW_DIVERT_TLV_REMOTE_ADDR		12
#define FLOW_DIVERT_TLV_OUT_IF_INDEX		13
#define FLOW_DIVERT_TLV_TRAFFIC_CLASS		14
#define FLOW_DIVERT_TLV_NO_CELLULAR		15
#define FLOW_DIVERT_TLV_FLOW_ID			16
#define FLOW_DIVERT_TLV_TOKEN_KEY		17
#define FLOW_DIVERT_TLV_HMAC			18
#define FLOW_DIVERT_TLV_KEY_UNIT		19
#define FLOW_DIVERT_TLV_LOG_LEVEL		20
#define FLOW_DIVERT_TLV_TARGET_HOSTNAME		21
#define FLOW_DIVERT_TLV_TARGET_ADDRESS		22
#define FLOW_DIVERT_TLV_TARGET_PORT		23
#define FLOW_DIVERT_TLV_CDHASH			24
#define FLOW_DIVERT_TLV_SIGNING_ID		25
#define FLOW_DIVERT_TLV_PID			26
#define FLOW_DIVERT_TLV_UUID			27
#define FLOW_DIVERT_TLV_PREFIX_COUNT		28
#define FLOW_DIVERT_TLV_FLAGS			29
#define FLOW_DIVERT_TLV_FLOW_TYPE               30
#define FLOW_DIVERT_TLV_APP_DATA		31

#define FLOW_DIVERT_FLOW_TYPE_TCP               1
#define FLOW_DIVERT_FLOW_TYPE_UDP               3

#define FLOW_DIVERT_CHUNK_SIZE			4096

#define FLOW_DIVERT_TOKEN_GETOPT_MAX_SIZE	128

#define FLOW_DIVERT_TOKEN_FLAG_VALIDATED	0x0000001
#define FLOW_DIVERT_TOKEN_FLAG_TFO			0x0000002
#define FLOW_DIVERT_TOKEN_FLAG_MPTCP		0x0000004

#define FLOW_DIVERT_GROUP_FLAG_NO_APP_MAP	0x0000001

struct flow_divert_packet_header {
    uint8_t		packet_type;
    uint32_t		conn_id;
};

#endif /* __FLOW_DIVERT_PROTO_H__ */
