| 1 | /* $Id: pxremap.h 93115 2022-01-01 11:31:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * NAT Network - Loopback remapping, declarations and definitions.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2013-2022 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef VBOX_INCLUDED_SRC_NAT_pxremap_h
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| 19 | #define VBOX_INCLUDED_SRC_NAT_pxremap_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include "lwip/err.h"
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| 25 | #include "lwip/ip_addr.h"
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| 26 |
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| 27 | struct netif;
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| 28 |
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| 29 |
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| 30 | #define PXREMAP_FAILED (-1)
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| 31 | #define PXREMAP_ASIS 0
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| 32 | #define PXREMAP_MAPPED 1
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| 33 |
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| 34 | /* IPv4 */
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| 35 | #if ARP_PROXY
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| 36 | int pxremap_proxy_arp(struct netif *netif, ip_addr_t *dst);
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| 37 | #endif
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| 38 | int pxremap_ip4_divert(struct netif *netif, ip_addr_t *dst);
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| 39 | int pxremap_outbound_ip4(ip_addr_t *dst, ip_addr_t *src);
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| 40 | int pxremap_inbound_ip4(ip_addr_t *dst, ip_addr_t *src);
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| 41 |
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| 42 | /* IPv6 */
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| 43 | int pxremap_proxy_na(struct netif *netif, ip6_addr_t *dst);
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| 44 | int pxremap_ip6_divert(struct netif *netif, ip6_addr_t *dst);
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| 45 | int pxremap_outbound_ip6(ip6_addr_t *dst, ip6_addr_t *src);
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| 46 | int pxremap_inbound_ip6(ip6_addr_t *dst, ip6_addr_t *src);
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| 47 |
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| 48 | #define pxremap_outbound_ipX(is_ipv6, dst, src) \
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| 49 | ((is_ipv6) ? pxremap_outbound_ip6(&(dst)->ip6, &(src)->ip6) \
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| 50 | : pxremap_outbound_ip4(&(dst)->ip4, &(src)->ip4))
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| 51 |
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| 52 | #endif /* !VBOX_INCLUDED_SRC_NAT_pxremap_h */
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