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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ColdFire_MCF52233_Eclipse/] [RTOSDemo/] [webserver/] [eth.h] - Blame information for rev 578

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Line No. Rev Author Line
1 578 jeremybenn
/*!
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 * \file    eth.h
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 * \brief   Definitinos for Ethernet Frames
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 * \version $Revision: 2 $
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 * \author  Michael Norman
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 */
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#ifndef _ETH_H
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#define _ETH_H
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/*******************************************************************/
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/* Ethernet standard lengths in bytes*/
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#define ETH_ADDR_LEN    (6)
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#define ETH_TYPE_LEN    (2)
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#define ETH_CRC_LEN     (4)
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#define ETH_MAX_DATA    (1500)
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#define ETH_MIN_DATA    (46)
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#define ETH_HDR_LEN     (ETH_ADDR_LEN * 2 + ETH_TYPE_LEN)
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/* Defined Ethernet Frame Types */
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#define ETH_FRM_IP      (0x0800)
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#define ETH_FRM_ARP     (0x0806)
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#define ETH_FRM_RARP    (0x8035)
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#define ETH_FRM_TEST    (0xA5A5)
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/* Maximum and Minimum Ethernet Frame Sizes */
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#define ETH_MAX_FRM     (ETH_HDR_LEN + ETH_MAX_DATA + ETH_CRC_LEN)
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#define ETH_MIN_FRM     (ETH_HDR_LEN + ETH_MIN_DATA + ETH_CRC_LEN)
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#define ETH_MTU         (ETH_HDR_LEN + ETH_MAX_DATA)
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/* Ethernet Addresses */
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typedef uint8 ETH_ADDR[ETH_ADDR_LEN];
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/* 16-bit Ethernet Frame Type, ie. Protocol */
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typedef uint16 ETH_FRM_TYPE;
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/* Ethernet Frame Header definition */
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typedef struct
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{
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    ETH_ADDR     dest;
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    ETH_ADDR     src;
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    ETH_FRM_TYPE type;
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} ETH_HDR;
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/* Ethernet Frame definition */
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typedef struct
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{
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    ETH_HDR head;
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    uint8*  data;
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} ETH_FRAME;
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/*******************************************************************/
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#endif  /* _ETH_H */

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