diff options
Diffstat (limited to 'src/dpdk/lib/librte_net/rte_gre.h')
| -rw-r--r-- | src/dpdk/lib/librte_net/rte_gre.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/dpdk/lib/librte_net/rte_gre.h b/src/dpdk/lib/librte_net/rte_gre.h new file mode 100644 index 00000000..46568ff5 --- /dev/null +++ b/src/dpdk/lib/librte_net/rte_gre.h @@ -0,0 +1,71 @@ +/*- + * BSD LICENSE + * + * Copyright 2016 6WIND S.A. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _RTE_GRE_H_ +#define _RTE_GRE_H_ + +#include <stdint.h> +#include <rte_byteorder.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * GRE Header + */ +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_ */ |