1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018-2019 Intel Corporation 3 */ 4 5 #ifndef _RTE_VXLAN_H_ 6 #define _RTE_VXLAN_H_ 7 8 /** 9 * @file 10 * 11 * VXLAN-related definitions 12 */ 13 14 #include <stdint.h> 15 16 #include <rte_byteorder.h> 17 #include <rte_udp.h> 18 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 /** VXLAN default port. */ 25 #define RTE_VXLAN_DEFAULT_PORT 4789 26 #define RTE_VXLAN_GPE_DEFAULT_PORT 4790 27 28 /** 29 * VXLAN protocol header. 30 * Contains the 8-bit flag, 24-bit VXLAN Network Identifier and 31 * Reserved fields (24 bits and 8 bits) 32 */ 33 struct rte_vxlan_hdr { 34 rte_be32_t vx_flags; /**< flag (8) + Reserved (24). */ 35 rte_be32_t vx_vni; /**< VNI (24) + Reserved (8). */ 36 } __rte_packed; 37 38 /** VXLAN tunnel header length. */ 39 #define RTE_ETHER_VXLAN_HLEN \ 40 (sizeof(struct rte_udp_hdr) + sizeof(struct rte_vxlan_hdr)) 41 42 43 /** 44 * VXLAN-GPE protocol header (draft-ietf-nvo3-vxlan-gpe-05). 45 * Contains the 8-bit flag, 8-bit next-protocol, 24-bit VXLAN Network 46 * Identifier and Reserved fields (16 bits and 8 bits). 47 */ 48 struct rte_vxlan_gpe_hdr { 49 uint8_t vx_flags; /**< flag (8). */ 50 uint8_t reserved[2]; /**< Reserved (16). */ 51 uint8_t proto; /**< next-protocol (8). */ 52 rte_be32_t vx_vni; /**< VNI (24) + Reserved (8). */ 53 } __rte_packed; 54 55 /** VXLAN-GPE tunnel header length. */ 56 #define RTE_ETHER_VXLAN_GPE_HLEN (sizeof(struct rte_udp_hdr) + \ 57 sizeof(struct rte_vxlan_gpe_hdr)) 58 59 /* VXLAN-GPE next protocol types */ 60 #define RTE_VXLAN_GPE_TYPE_IPV4 1 /**< IPv4 Protocol. */ 61 #define RTE_VXLAN_GPE_TYPE_IPV6 2 /**< IPv6 Protocol. */ 62 #define RTE_VXLAN_GPE_TYPE_ETH 3 /**< Ethernet Protocol. */ 63 #define RTE_VXLAN_GPE_TYPE_NSH 4 /**< NSH Protocol. */ 64 #define RTE_VXLAN_GPE_TYPE_MPLS 5 /**< MPLS Protocol. */ 65 #define RTE_VXLAN_GPE_TYPE_GBP 6 /**< GBP Protocol. */ 66 #define RTE_VXLAN_GPE_TYPE_VBNG 7 /**< vBNG Protocol. */ 67 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* RTE_VXLAN_H_ */ 74