diff options
Diffstat (limited to 'src/seastar/dpdk/lib/librte_net/rte_gre.h')
| -rw-r--r-- | src/seastar/dpdk/lib/librte_net/rte_gre.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/seastar/dpdk/lib/librte_net/rte_gre.h b/src/seastar/dpdk/lib/librte_net/rte_gre.h new file mode 100644 index 000000000..05aa9d143 --- /dev/null +++ b/src/seastar/dpdk/lib/librte_net/rte_gre.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2016 6WIND S.A. + */ + +#ifndef _RTE_GRE_H_ +#define _RTE_GRE_H_ + +#include <stdint.h> +#include <rte_byteorder.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * GRE Header + */ +__extension__ +struct gre_hdr { +#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + uint16_t res2:4; /**< Reserved */ + uint16_t s:1; /**< Sequence Number Present bit */ + uint16_t k:1; /**< Key Present bit */ + uint16_t res1:1; /**< Reserved */ + uint16_t c:1; /**< Checksum Present bit */ + uint16_t ver:3; /**< Version Number */ + uint16_t res3:5; /**< Reserved */ +#elif RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint16_t c:1; /**< Checksum Present bit */ + uint16_t res1:1; /**< Reserved */ + uint16_t k:1; /**< Key Present bit */ + uint16_t s:1; /**< Sequence Number Present bit */ + uint16_t res2:4; /**< Reserved */ + uint16_t res3:5; /**< Reserved */ + uint16_t ver:3; /**< Version Number */ +#endif + uint16_t proto; /**< Protocol Type */ +} __attribute__((__packed__)); + +#ifdef __cplusplus +} +#endif + +#endif /* RTE_GRE_H_ */ |