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_udp.h> 17 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 /** VXLAN default port. */ 24 #define RTE_VXLAN_DEFAULT_PORT 4789 25 #define RTE_VXLAN_GPE_DEFAULT_PORT 4790 26 27 /** 28 * VXLAN protocol header. 29 * Contains the 8-bit flag, 24-bit VXLAN Network Identifier and 30 * Reserved fields (24 bits and 8 bits) 31 */ 32 struct rte_vxlan_hdr { 33 uint32_t vx_flags; /**< flag (8) + Reserved (24). */ 34 uint32_t vx_vni; /**< VNI (24) + Reserved (8). */ 35 } __rte_packed; 36 37 /** VXLAN tunnel header length. */ 38 #define RTE_ETHER_VXLAN_HLEN \ 39 (sizeof(struct rte_udp_hdr) + sizeof(struct rte_vxlan_hdr)) 40 41 42 /** 43 * VXLAN-GPE protocol header (draft-ietf-nvo3-vxlan-gpe-05). 44 * Contains the 8-bit flag, 8-bit next-protocol, 24-bit VXLAN Network 45 * Identifier and Reserved fields (16 bits and 8 bits). 46 */ 47 struct rte_vxlan_gpe_hdr { 48 uint8_t vx_flags; /**< flag (8). */ 49 uint8_t reserved[2]; /**< Reserved (16). */ 50 uint8_t proto; /**< next-protocol (8). */ 51 uint32_t vx_vni; /**< VNI (24) + Reserved (8). */ 52 } __rte_packed; 53 54 /** VXLAN-GPE tunnel header length. */ 55 #define RTE_ETHER_VXLAN_GPE_HLEN (sizeof(struct rte_udp_hdr) + \ 56 sizeof(struct rte_vxlan_gpe_hdr)) 57 58 /* VXLAN-GPE next protocol types */ 59 #define RTE_VXLAN_GPE_TYPE_IPV4 1 /**< IPv4 Protocol. */ 60 #define RTE_VXLAN_GPE_TYPE_IPV6 2 /**< IPv6 Protocol. */ 61 #define RTE_VXLAN_GPE_TYPE_ETH 3 /**< Ethernet Protocol. */ 62 #define RTE_VXLAN_GPE_TYPE_NSH 4 /**< NSH Protocol. */ 63 #define RTE_VXLAN_GPE_TYPE_MPLS 5 /**< MPLS Protocol. */ 64 #define RTE_VXLAN_GPE_TYPE_GBP 6 /**< GBP Protocol. */ 65 #define RTE_VXLAN_GPE_TYPE_VBNG 7 /**< vBNG Protocol. */ 66 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif /* RTE_VXLAN_H_ */ 73