/*
 * Copyright (c) 2003-2018, Great Software Laboratory Pvt. Ltd.
 * Copyright (c) 2017 Intel Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __GTPV2C_H_
#define __GTPV2C_H_

#include <stdint.h>

#include "s11_structs.h"

#define MAX_GTPV2C_UDP_LEN                                   4096

#define GTP_VERSION_GTPV2C                                   2

/* GTP Message Type */
#define GTP_CREATE_SESSION_REQ                               32
#define GTP_CREATE_SESSION_RSP                               33
#define GTP_MODIFY_BEARER_REQ                                34
#define GTP_MODIFY_BEARER_RSP                                35
#define GTP_DELETE_SESSION_REQ                               36
#define GTP_DELETE_SESSION_RSP                               37
//S1 Release
#define GTP_RELEASE_BEARER_REQ				     170

enum gtpv2c_interfaces {
	GTPV2C_IFTYPE_S1U_ENODEB_GTPU = 0,
};


void
set_gtpv2c_header(struct gtpv2c_header *gtpv2c_tx, uint8_t type,
		uint32_t teid, uint32_t seq);

#endif /* __GTPV2C_H_ */