cne_gre.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 2019-2020 6WIND S.A.
 */
 
#ifndef _CNE_GRE_H_
#define _CNE_GRE_H_
 
#include <stdint.h>
#include <endian.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
__extension__ struct cne_gre_hdr {
#if BYTE_ORDER == LITTLE_ENDIAN
    uint16_t res2 : 4; 
    uint16_t s : 1;    
    uint16_t k : 1;    
    uint16_t res1 : 1; 
    uint16_t c : 1;    
    uint16_t ver : 3;  
    uint16_t res3 : 5; 
#elif BYTE_ORDER == BIG_ENDIAN
    uint16_t c : 1;    
    uint16_t res1 : 1; 
    uint16_t k : 1;    
    uint16_t s : 1;    
    uint16_t res2 : 4; 
    uint16_t res3 : 5; 
    uint16_t ver : 3;  
#endif
    uint16_t proto; 
} __attribute__((__packed__));
 
#ifdef __cplusplus
}
#endif
 
#endif /* CNE_GRE_H_ */