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/* $Id: ctl.h $ */
/** @file
* NAT - IP subnet constants.
*/
/*
* Copyright (C) 2006-2023 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 _SLIRP_CTL_H_
#define _SLIRP_CTL_H_
#define CTL_CMD 0
#define CTL_EXEC 1
#define CTL_ALIAS 2
#define CTL_DNS 3
#define CTL_TFTP 4
#define CTL_GUEST 15
#define CTL_BROADCAST 255
#define CTL_CHECK_NETWORK(x) (((x) & RT_H2N_U32(pData->netmask)) == pData->special_addr.s_addr)
#define CTL_CHECK(x, ctl) ( ((RT_N2H_U32((x)) & ~pData->netmask) == (ctl)) \
&& CTL_CHECK_NETWORK(x))
#define CTL_CHECK_MINE(x) ( CTL_CHECK(x, CTL_ALIAS) \
|| CTL_CHECK(x, CTL_DNS) \
|| CTL_CHECK(x, CTL_TFTP))
#define CTL_CHECK_BROADCAST(x) CTL_CHECK((x), ~pData->netmask)
#endif /* _SLIRP_CTL_H_ */
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