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/*
// Copyright (c) 2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
#ifndef __INCLUDE_GATEWAY_H__
#define __INCLUDE_GATEWAY_H__
/**
* @file
* gateway.h
*
* Provide APIs for Packet fowarding in gateway configuration.
*
*/
#include <rte_common.h>
#include <rte_malloc.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_ip.h>
#include <rte_udp.h>
#include <rte_mbuf.h>
#include <rte_byteorder.h>
#include "pipeline.h"
#include "app.h"
#include "vnf_common.h"
#include "vnf_define.h"
/**
* A structure for Route table entries of IPv4
*/
#define MAX_ROUTE_ENTRY_SIZE 32
#define MAX_ND_ROUTE_ENTRY_SIZE 32
extern struct route_data *p_route_data[];
extern struct nd_route_data *p_nd_route_data[];
extern uint32_t vnf_gateway;
/**
* A structure for Route table entires of IPv4
*
*/
struct route_table_entry {
uint32_t nh; /**< next hop */
uint32_t mask; /**< mask */
uint32_t port; /**< Physical port */
uint32_t nh_mask;
} __rte_cache_aligned;
/**
* Routing table for IPv4
*
*/
struct route_data {
struct route_table_entry route_table[MAX_ROUTE_ENTRY_SIZE];
uint8_t route_ent_cnt;
};
/**
* A structure for Route table entires of IPv6
*
*/
struct nd_route_table_entry {
uint8_t nhipv6[16]; /**< next hop Ipv6 */
uint8_t depth; /**< Depth */
uint32_t port; /**< Port */
};
/**
* Routing table for IPv6
*
*/
struct nd_route_data {
struct nd_route_table_entry nd_route_table[MAX_ND_ROUTE_ENTRY_SIZE];
uint8_t nd_route_ent_cnt;
};
extern void gw_init(uint32_t num_ports);
extern uint32_t gw_get_num_ports(void);
extern uint32_t is_gateway(void);
extern void gw_get_nh_port_ipv4(uint32_t dst_ip_addr,
uint32_t *dst_port, uint32_t *nhip);
extern void gw_get_nh_port_ipv6(uint8_t *dst_ipv6_addr,
uint32_t *dst_port, uint8_t *nhipv6);
#endif
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