ef5baf3486
There is a common macro __rte_packed for packing structs, which is now used where appropriate for consistency. Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018-2019 Intel Corporation
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*/
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#ifndef _RTE_VXLAN_H_
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#define _RTE_VXLAN_H_
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/**
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* @file
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*
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* VXLAN-related definitions
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*/
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#include <stdint.h>
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#include <rte_udp.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** VXLAN default port. */
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#define RTE_VXLAN_DEFAULT_PORT 4789
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/**
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* VXLAN protocol header.
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* Contains the 8-bit flag, 24-bit VXLAN Network Identifier and
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* Reserved fields (24 bits and 8 bits)
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*/
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struct rte_vxlan_hdr {
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uint32_t vx_flags; /**< flag (8) + Reserved (24). */
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uint32_t vx_vni; /**< VNI (24) + Reserved (8). */
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} __rte_packed;
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/** VXLAN tunnel header length. */
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#define RTE_ETHER_VXLAN_HLEN \
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(sizeof(struct rte_udp_hdr) + sizeof(struct rte_vxlan_hdr))
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/**
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* VXLAN-GPE protocol header (draft-ietf-nvo3-vxlan-gpe-05).
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* Contains the 8-bit flag, 8-bit next-protocol, 24-bit VXLAN Network
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* Identifier and Reserved fields (16 bits and 8 bits).
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*/
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struct rte_vxlan_gpe_hdr {
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uint8_t vx_flags; /**< flag (8). */
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uint8_t reserved[2]; /**< Reserved (16). */
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uint8_t proto; /**< next-protocol (8). */
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uint32_t vx_vni; /**< VNI (24) + Reserved (8). */
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} __rte_packed;
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/** VXLAN-GPE tunnel header length. */
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#define RTE_ETHER_VXLAN_GPE_HLEN (sizeof(struct rte_udp_hdr) + \
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sizeof(struct rte_vxlan_gpe_hdr))
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/* VXLAN-GPE next protocol types */
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#define RTE_VXLAN_GPE_TYPE_IPV4 1 /**< IPv4 Protocol. */
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#define RTE_VXLAN_GPE_TYPE_IPV6 2 /**< IPv6 Protocol. */
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#define RTE_VXLAN_GPE_TYPE_ETH 3 /**< Ethernet Protocol. */
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#define RTE_VXLAN_GPE_TYPE_NSH 4 /**< NSH Protocol. */
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#define RTE_VXLAN_GPE_TYPE_MPLS 5 /**< MPLS Protocol. */
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#define RTE_VXLAN_GPE_TYPE_GBP 6 /**< GBP Protocol. */
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#define RTE_VXLAN_GPE_TYPE_VBNG 7 /**< vBNG Protocol. */
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#ifdef __cplusplus
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}
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#endif
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#endif /* RTE_VXLAN_H_ */
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