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/* $Id: pxremap.h $ */
/** @file
* NAT Network - Loopback remapping, declarations and definitions.
*/
/*
* Copyright (C) 2013-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef VBOX_INCLUDED_SRC_NAT_pxremap_h
#define VBOX_INCLUDED_SRC_NAT_pxremap_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include "lwip/err.h"
#include "lwip/ip_addr.h"
struct netif;
#define PXREMAP_FAILED (-1)
#define PXREMAP_ASIS 0
#define PXREMAP_MAPPED 1
/* IPv4 */
#if ARP_PROXY
int pxremap_proxy_arp(struct netif *netif, ip_addr_t *dst);
#endif
int pxremap_ip4_divert(struct netif *netif, ip_addr_t *dst);
int pxremap_outbound_ip4(ip_addr_t *dst, ip_addr_t *src);
int pxremap_inbound_ip4(ip_addr_t *dst, ip_addr_t *src);
/* IPv6 */
int pxremap_proxy_na(struct netif *netif, ip6_addr_t *dst);
int pxremap_ip6_divert(struct netif *netif, ip6_addr_t *dst);
int pxremap_outbound_ip6(ip6_addr_t *dst, ip6_addr_t *src);
int pxremap_inbound_ip6(ip6_addr_t *dst, ip6_addr_t *src);
#define pxremap_outbound_ipX(is_ipv6, dst, src) \
((is_ipv6) ? pxremap_outbound_ip6(&(dst)->ip6, &(src)->ip6) \
: pxremap_outbound_ip4(&(dst)->ip4, &(src)->ip4))
#endif /* !VBOX_INCLUDED_SRC_NAT_pxremap_h */
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