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96465c018c
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21794 3c298f89-4303-0410-b956-a3cf2f4a3e73
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/*
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* Copyright 2007, Broadcom Corporation
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* All Rights Reserved.
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*
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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
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* the contents of this file may not be disclosed to third parties, copied
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* or duplicated in any form, in whole or in part, without the prior
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* written permission of Broadcom Corporation.
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*
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* Fundamental constants relating to DHCP Protocol
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*
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*/
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#ifndef _bcmdhcp_h_
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#define _bcmdhcp_h_
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/* DHCP params */
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#define DHCP_TYPE_OFFSET 0 /* DHCP type (request|reply) offset */
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#define DHCP_FLAGS_OFFSET 10 /* DHCP flags offset */
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#define DHCP_CIADDR_OFFSET 12 /* DHCP client IP address offset */
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#define DHCP_YIADDR_OFFSET 16 /* DHCP your IP address offset */
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#define DHCP_GIADDR_OFFSET 24 /* DHCP relay agent IP address offset */
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#define DHCP_CHADDR_OFFSET 28 /* DHCP client h/w address offset */
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#define DHCP_TYPE_REQUEST 1 /* DHCP request (discover|request) */
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#define DHCP_TYPE_REPLY 2 /* DHCP reply (offset|ack) */
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#define DHCP_PORT_SERVER 67 /* DHCP server UDP port */
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#define DHCP_PORT_CLIENT 68 /* DHCP client UDP port */
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#define DHCP_FLAG_BCAST 0x8000 /* DHCP broadcast flag */
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#define DHCP_FLAGS_LEN 2 /* DHCP flags field length */
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#endif /* #ifndef _bcmdhcp_h_ */
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