24 lines
868 B
C
24 lines
868 B
C
#ifndef __INC_ETHERNET_H
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#define __INC_ETHERNET_H
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#define ETHERNET_ADDRESS_LENGTH 6 /*!< Ethernet Address Length*/
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#define ETHERNET_HEADER_SIZE 14 /*!< Ethernet Header Length*/
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#define LLC_HEADER_SIZE 6 /*!< LLC Header Length*/
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#define TYPE_LENGTH_FIELD_SIZE 2 /*!< Type/Length Size*/
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#define MINIMUM_ETHERNET_PACKET_SIZE 60 /*!< Min Ethernet Packet Size*/
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#define MAXIMUM_ETHERNET_PACKET_SIZE 1514 /*!< Max Ethernet Packet Size*/
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/*!< Is Multicast Address? */
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#define RT_ETH_IS_MULTICAST(_pAddr) ((((u8 *)(_pAddr))[0]&0x01) != 0)
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/*!< Is Broadcast Address? */
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#define RT_ETH_IS_BROADCAST(_pAddr) ( \
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((u8 *)(_pAddr))[0] == 0xff && \
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((u8 *)(_pAddr))[1] == 0xff && \
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((u8 *)(_pAddr))[2] == 0xff && \
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((u8 *)(_pAddr))[3] == 0xff && \
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((u8 *)(_pAddr))[4] == 0xff && \
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((u8 *)(_pAddr))[5] == 0xff)
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#endif /* #ifndef __INC_ETHERNET_H */
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