| 1 | /* |
| 2 | * Copyright 2007, Broadcom Corporation |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation; |
| 6 | * the contents of this file may not be disclosed to third parties, copied |
| 7 | * or duplicated in any form, in whole or in part, without the prior |
| 8 | * written permission of Broadcom Corporation. |
| 9 | * |
| 10 | * Fundamental constants relating to DHCP Protocol |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #ifndef _bcmdhcp_h_ |
| 15 | #define _bcmdhcp_h_ |
| 16 | |
| 17 | /* DHCP params */ |
| 18 | #define DHCP_TYPE_OFFSET 0 /* DHCP type (request|reply) offset */ |
| 19 | #define DHCP_FLAGS_OFFSET 10 /* DHCP flags offset */ |
| 20 | #define DHCP_CIADDR_OFFSET 12 /* DHCP client IP address offset */ |
| 21 | #define DHCP_YIADDR_OFFSET 16 /* DHCP your IP address offset */ |
| 22 | #define DHCP_GIADDR_OFFSET 24 /* DHCP relay agent IP address offset */ |
| 23 | #define DHCP_CHADDR_OFFSET 28 /* DHCP client h/w address offset */ |
| 24 | |
| 25 | #define DHCP_TYPE_REQUEST 1 /* DHCP request (discover|request) */ |
| 26 | #define DHCP_TYPE_REPLY 2 /* DHCP reply (offset|ack) */ |
| 27 | |
| 28 | #define DHCP_PORT_SERVER 67 /* DHCP server UDP port */ |
| 29 | #define DHCP_PORT_CLIENT 68 /* DHCP client UDP port */ |
| 30 | |
| 31 | #define DHCP_FLAG_BCAST 0x8000 /* DHCP broadcast flag */ |
| 32 | |
| 33 | #define DHCP_FLAGS_LEN 2 /* DHCP flags field length */ |
| 34 | |
| 35 | #endif /* #ifndef _bcmdhcp_h_ */ |
| 36 | |
