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