rte_mpls.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2016 6WIND S.A.
 */

#ifndef _RTE_MPLS_H_
#define _RTE_MPLS_H_

#include <stdint.h>
#include <rte_byteorder.h>

#ifdef __cplusplus
extern "C" {
#endif

struct mpls_hdr {
    uint16_t tag_msb;   
#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
    uint8_t tag_lsb:4;  
    uint8_t tc:3;       
    uint8_t bs:1;       
#else
    uint8_t bs:1;       
    uint8_t tc:3;       
    uint8_t tag_lsb:4;  
#endif
    uint8_t  ttl;       
} __attribute__((__packed__));

#ifdef __cplusplus
}
#endif

#endif /* RTE_MPLS_H_ */