| 1 | /* $Id: pxremap.h 106061 2024-09-16 14:03:52Z 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) 2013-2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef VBOX_INCLUDED_SRC_NAT_pxremap_h
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| 29 | #define VBOX_INCLUDED_SRC_NAT_pxremap_h
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| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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| 34 | #include "lwip/err.h"
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| 35 | #include "lwip/ip_addr.h"
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| 36 |
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| 37 | struct netif;
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| 38 |
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| 39 |
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| 40 | #define PXREMAP_FAILED (-1)
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| 41 | #define PXREMAP_ASIS 0
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| 42 | #define PXREMAP_MAPPED 1
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| 43 |
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| 44 | /* IPv4 */
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| 45 | #if ARP_PROXY
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| 46 | int pxremap_proxy_arp(struct netif *netif, ip_addr_t *dst);
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| 47 | #endif
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| 48 | int pxremap_ip4_divert(struct netif *netif, ip_addr_t *dst);
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| 49 | int pxremap_outbound_ip4(ip_addr_t *dst, ip_addr_t *src);
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| 50 | int pxremap_inbound_ip4(ip_addr_t *dst, ip_addr_t *src);
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| 51 |
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| 52 | /* IPv6 */
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| 53 | int pxremap_proxy_na(struct netif *netif, ip6_addr_t *dst);
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| 54 | int pxremap_ip6_divert(struct netif *netif, ip6_addr_t *dst);
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| 55 | int pxremap_outbound_ip6(ip6_addr_t *dst, ip6_addr_t *src);
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| 56 | int pxremap_inbound_ip6(ip6_addr_t *dst, ip6_addr_t *src);
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| 57 |
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| 58 | #define pxremap_outbound_ipX(is_ipv6, dst, src) \
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| 59 | ((is_ipv6) ? pxremap_outbound_ip6(&(dst)->ip6, &(src)->ip6) \
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| 60 | : pxremap_outbound_ip4(&(dst)->ip4, &(src)->ip4))
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| 61 |
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| 62 | #endif /* !VBOX_INCLUDED_SRC_NAT_pxremap_h */
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