cne_gtp.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 1982, 1986, 1990, 1993
 *      The Regents of the University of California.
 * Copyright (c) 2019-2022 Intel Corporation.
 * All rights reserved.
 */
 
#ifndef _CNE_GTP_H_
#define _CNE_GTP_H_
 
#include <stdint.h>
#include <cne_byteorder.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct cne_gtp_hdr {
    uint8_t gtp_hdr_info; 
    uint8_t msg_type;     
    uint16_t plen;        
    uint32_t teid;        
} __attribute__((__packed__));
 
#define CNE_ETHER_GTP_HLEN (sizeof(struct cne_udp_hdr) + sizeof(struct cne_gtp_hdr))
/* GTP next protocol type */
#define CNE_GTP_TYPE_IPV4 0x40 
#define CNE_GTP_TYPE_IPV6 0x60 
/* GTP destination lport number */
#define CNE_GTPC_UDP_PORT 2123 
#define CNE_GTPU_UDP_PORT 2152 
#ifdef __cplusplus
}
#endif
 
#endif /* CNE_GTP_H_ */