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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _VXLAN_H_
#define _VXLAN_H_
#include <rte_ether.h>
#include <rte_ip.h>
#define PORT_MIN 49152
#define PORT_MAX 65535
#define PORT_RANGE ((PORT_MAX - PORT_MIN) + 1)
#define VXLAN_N_PORTS 2
#define VXLAN_HF_VNI 0x08000000
#define DEFAULT_VXLAN_PORT 4789
extern struct ipv4_hdr app_ip_hdr[VXLAN_N_PORTS];
extern struct ether_hdr app_l2_hdr[VXLAN_N_PORTS];
extern uint8_t tx_checksum;
extern uint16_t tso_segsz;
struct vxlan_port {
uint32_t vport_id; /**< VirtIO port id */
uint32_t peer_ip; /**< remote VTEP IP address */
struct ether_addr peer_mac; /**< remote VTEP MAC address */
struct ether_addr vport_mac; /**< VirtIO port MAC address */
} __rte_cache_aligned;
struct vxlan_conf {
uint16_t dst_port; /**< VXLAN UDP destination port */
uint32_t port_ip; /**< DPDK port IP address*/
uint32_t in_key; /**< VLAN ID */
uint32_t out_key; /**< VXLAN VNI */
struct vxlan_port port[VXLAN_N_PORTS]; /**< VXLAN configuration */
} __rte_cache_aligned;
extern struct vxlan_conf vxdev;
/* structure that caches offload info for the current packet */
union tunnel_offload_info {
uint64_t data;
struct {
uint64_t l2_len:7; /**< L2 (MAC) Header Length. */
uint64_t l3_len:9; /**< L3 (IP) Header Length. */
uint64_t l4_len:8; /**< L4 Header Length. */
uint64_t tso_segsz:16; /**< TCP TSO segment size */
uint64_t outer_l2_len:7; /**< outer L2 Header Length */
uint64_t outer_l3_len:16; /**< outer L3 Header Length */
};
} __rte_cache_aligned;
int decapsulation(struct rte_mbuf *pkt);
void encapsulation(struct rte_mbuf *m, uint8_t queue_id);
#endif /* _VXLAN_H_ */
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