DPDK  19.05.0
rte_mpls.h
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1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2016 6WIND S.A.
3  */
4 
5 #ifndef _RTE_MPLS_H_
6 #define _RTE_MPLS_H_
7 
14 #include <stdint.h>
15 #include <rte_byteorder.h>
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
24 struct mpls_hdr {
25  uint16_t tag_msb;
26 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
27  uint8_t tag_lsb:4;
28  uint8_t tc:3;
29  uint8_t bs:1;
30 #else
31  uint8_t bs:1;
32  uint8_t tc:3;
33  uint8_t tag_lsb:4;
34 #endif
35  uint8_t ttl;
36 } __attribute__((__packed__));
37 
38 #ifdef __cplusplus
39 }
40 #endif
41 
42 #endif /* RTE_MPLS_H_ */