ceph/src/spdk/dpdk/examples/tep_termination/vxlan.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2015 Intel Corporation
   3  */
   4
   5 #ifndef _VXLAN_H_
   6 #define _VXLAN_H_
   7
   8 #include <rte_ether.h>
   9 #include <rte_ip.h>
  10
  11 #define PORT_MIN        49152
  12 #define PORT_MAX        65535
  13 #define PORT_RANGE ((PORT_MAX - PORT_MIN) + 1)
  14
  15 #define VXLAN_N_PORTS  2
  16 #define VXLAN_HF_VNI 0x08000000
  17 #define DEFAULT_VXLAN_PORT 4789
  18
  19 extern struct ipv4_hdr app_ip_hdr[VXLAN_N_PORTS];
  20 extern struct ether_hdr app_l2_hdr[VXLAN_N_PORTS];
  21 extern uint8_t tx_checksum;
  22 extern uint16_t tso_segsz;
  23
  24 struct vxlan_port {
  25         uint32_t vport_id;           /**< VirtIO port id */
  26         uint32_t peer_ip;            /**< remote VTEP IP address */
  27         struct ether_addr peer_mac;  /**< remote VTEP MAC address */
  28         struct ether_addr vport_mac; /**< VirtIO port MAC address */
  29 } __rte_cache_aligned;
  30
  31 struct vxlan_conf {
  32         uint16_t dst_port;      /**< VXLAN UDP destination port */
  33         uint32_t port_ip;       /**< DPDK port IP address*/
  34         uint32_t in_key;        /**< VLAN  ID */
  35         uint32_t out_key;       /**< VXLAN VNI */
  36         struct vxlan_port port[VXLAN_N_PORTS]; /**< VXLAN configuration */
  37 } __rte_cache_aligned;
  38
  39 extern struct vxlan_conf vxdev;
  40
  41 /* structure that caches offload info for the current packet */
  42 union tunnel_offload_info {
  43         uint64_t data;
  44         struct {
  45                 uint64_t l2_len:7; /**< L2 (MAC) Header Length. */
  46                 uint64_t l3_len:9; /**< L3 (IP) Header Length. */
  47                 uint64_t l4_len:8; /**< L4 Header Length. */
  48                 uint64_t tso_segsz:16; /**< TCP TSO segment size */
  49                 uint64_t outer_l2_len:7; /**< outer L2 Header Length */
  50                 uint64_t outer_l3_len:16; /**< outer L3 Header Length */
  51         };
  52 } __rte_cache_aligned;
  53
  54 int decapsulation(struct rte_mbuf *pkt);
  55 void encapsulation(struct rte_mbuf *m, uint8_t queue_id);
  56
  57 #endif /* _VXLAN_H_ */