[1740] | 1 | //////////////////////////////////////////////////////////////////////////////// |
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| 2 | // Copyright (c) 2004 Xilinx, Inc. All rights reserved. |
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| 3 | // |
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| 4 | // Xilinx, Inc. |
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| 5 | // XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A |
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| 6 | // COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS |
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| 7 | // ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR |
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| 8 | // STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION |
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| 9 | // IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE |
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| 10 | // FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. |
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| 11 | // XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO |
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| 12 | // THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO |
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| 13 | // ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE |
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| 14 | // FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY |
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| 15 | // AND FITNESS FOR A PARTICULAR PURPOSE. |
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| 16 | // |
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| 17 | // File : eth.h |
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| 18 | // Date : 2002, March 20. |
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| 19 | // Author : Sathya Thammanur |
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| 20 | // Company: Xilinx |
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| 21 | // Group : Emerging Software Technologies |
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| 22 | // |
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| 23 | // Summary: |
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| 24 | // Header file for Ethernet layer |
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| 25 | // |
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| 26 | // $Id: eth.h,v 1.2.8.6 2005/11/15 23:41:10 salindac Exp $ |
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| 27 | // |
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| 28 | //////////////////////////////////////////////////////////////////////////////// |
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| 29 | |
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[1749] | 30 | //////////////////////////////////////////////////////////////////////////////// |
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| 31 | // see copyright.txt for Rice University/Mango Communications modifications |
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| 32 | //////////////////////////////////////////////////////////////////////////////// |
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| 33 | |
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[1740] | 34 | #ifndef _ETH_H |
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| 35 | #define _ETH_H |
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| 36 | |
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| 37 | #ifdef __cplusplus |
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| 38 | extern "C" { |
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| 39 | #endif |
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| 40 | |
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| 41 | #include <xilnet_config.h> |
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[1745] | 42 | #include <xilnet_ip.h> |
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[1740] | 43 | |
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| 44 | #define ETH_ADDR_LEN 6 /* len of eth addr */ |
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| 45 | #define ETH_HDR_LEN 14 /* eth hdr len */ |
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| 46 | #define ETH_MIN_FRAME_LEN 60 /* Min Eth Frame Payload */ |
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| 47 | |
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| 48 | #define ETH_MAX_FRAME_LEN 1500 /* Max Eth Frame Payload */ |
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| 49 | #define ETH_FRAME_LEN 1514 /* Max Eth Frame Size */ |
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| 50 | |
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| 51 | |
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| 52 | /* MAC address used */ |
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[1743] | 53 | #ifdef _CONFIG_EMACLITE_ |
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| 54 | extern unsigned int MYMAC_BASEADDR; |
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| 55 | #else |
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| 56 | #ifdef _CONFIG_TEMAC_ |
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[1740] | 57 | extern void* FIFO_INST; |
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| 58 | extern void* DMA_CENTRAL_INST; |
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[1743] | 59 | #endif |
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| 60 | #endif |
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[1740] | 61 | |
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| 62 | /* |
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| 63 | * Protocol vals in eth hdr |
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| 64 | */ |
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| 65 | |
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| 66 | #define ETH_PROTO_IP 0x0800 /* IP packet */ |
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| 67 | #define ETH_PROTO_ARP 0x0806 /* ARP packet */ |
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| 68 | |
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| 69 | |
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| 70 | |
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| 71 | /* |
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| 72 | * Ethernet Header |
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| 73 | */ |
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| 74 | |
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| 75 | struct xilnet_eth_hdr { |
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| 76 | unsigned char dest_addr[ETH_ADDR_LEN]; /* destination eth addr */ |
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| 77 | unsigned char src_addr[ETH_ADDR_LEN]; /* source eth addr */ |
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| 78 | unsigned short type; /* protocol type */ |
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| 79 | }; |
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| 80 | |
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| 81 | |
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| 82 | /* |
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| 83 | * HW Addr Table |
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| 84 | * |
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| 85 | */ |
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| 86 | |
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| 87 | #define HW_ADDR_TBL_ENTRIES 5 |
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| 88 | #define HW_ADDR_ENTRY_IS_TRUE 1 |
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| 89 | #define HW_ADDR_ENTRY_IS_FALSE 0 |
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| 90 | #define HW_ADDR_TBL_MAXAGE 2 |
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| 91 | |
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| 92 | struct xilnet_hw_addr_table |
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| 93 | { |
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| 94 | unsigned char ip_addr[IP_VERSION]; |
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| 95 | unsigned char hw_addr[ETH_ADDR_LEN]; |
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| 96 | unsigned char flag; |
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| 97 | unsigned int age; |
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| 98 | }; |
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| 99 | |
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| 100 | extern struct xilnet_hw_addr_table xilnet_hw_tbl[HW_ADDR_TBL_ENTRIES]; |
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| 101 | |
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| 102 | #ifdef __cplusplus |
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| 103 | } |
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| 104 | #endif |
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| 105 | |
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| 106 | #endif /* _ETH_H */ |
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