VirtualBox

source: vbox/trunk/src/VBox/NetworkServices/NAT/pxremap.h@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 21 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 1.9 KB
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1/* $Id: pxremap.h 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * NAT Network - Loopback remapping, declarations and definitions.
4 */
5
6/*
7 * Copyright (C) 2013-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef VBOX_INCLUDED_SRC_NAT_pxremap_h
29#define VBOX_INCLUDED_SRC_NAT_pxremap_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34#include "lwip/err.h"
35#include "lwip/ip_addr.h"
36
37struct netif;
38
39
40#define PXREMAP_FAILED (-1)
41#define PXREMAP_ASIS 0
42#define PXREMAP_MAPPED 1
43
44/* IPv4 */
45#if ARP_PROXY
46int pxremap_proxy_arp(struct netif *netif, ip_addr_t *dst);
47#endif
48int pxremap_ip4_divert(struct netif *netif, ip_addr_t *dst);
49int pxremap_outbound_ip4(ip_addr_t *dst, ip_addr_t *src);
50int pxremap_inbound_ip4(ip_addr_t *dst, ip_addr_t *src);
51
52/* IPv6 */
53int pxremap_proxy_na(struct netif *netif, ip6_addr_t *dst);
54int pxremap_ip6_divert(struct netif *netif, ip6_addr_t *dst);
55int pxremap_outbound_ip6(ip6_addr_t *dst, ip6_addr_t *src);
56int pxremap_inbound_ip6(ip6_addr_t *dst, ip6_addr_t *src);
57
58#define pxremap_outbound_ipX(is_ipv6, dst, src) \
59 ((is_ipv6) ? pxremap_outbound_ip6(&(dst)->ip6, &(src)->ip6) \
60 : pxremap_outbound_ip4(&(dst)->ip4, &(src)->ip4))
61
62#endif /* !VBOX_INCLUDED_SRC_NAT_pxremap_h */
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