Dependencies:
NetServices
Dependents:
HvZ
net/ethernet.h@0:7e2eb93442e7, 2010-12-12 (annotated)
- Committer:
- etherealflaim
- Date:
- Sun Dec 12 19:34:41 2010 +0000
- Revision:
- 0:7e2eb93442e7
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
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| etherealflaim |
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#ifndef ETHERNET_H
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#define ETHERNET_H
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#include "net.h"
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/**
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\file ethernet.h
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\brief Ethernet frame header
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This file contains the memory map and associated functions for Ethernet frame header
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creation and deconstruction.
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*/
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/// Ethernet MAC address memory map
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typedef struct {
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unsigned char octet[6]; ///< Individual octsts of the MAC address
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} Ethernet_MAC;
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/// Ethernet II Frame Header Memory map
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typedef struct {
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/// Destination MAC address (6 octets)
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Ethernet_MAC destination;
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/// Source MAC address (6 octets)
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Ethernet_MAC source;
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// (optional) VLAN Tag (unsupported)
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/// Ethernet type or length (only <0x600 or 0x0800 IPv4 supported)
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u16 ethertype;
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/// Payload (used for memory mapping; has zero size)
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unsigned char payload[];
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} Ethernet_FrameHeader;
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/// Convert from wire to host or host to wire endian-ness
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inline void fix_endian_ethernet(Ethernet_FrameHeader *header)
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{
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fix_endian_u16(&header->ethertype);
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}
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/// Print out an ethernet packet
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/*inline void print_ethernet(Ethernet_FrameHeader *frame)
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{
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main_log.printf("Ethernet frame:");
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u8 *src = frame->source.octet;
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u8 *dst = frame->destination.octet;
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main_log.printf(" Source: MAC - %02X:%02X:%02X:%02X:%02X:%02X", src[6], src[7], src[8], src[9], src[10], src[11]);
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main_log.printf(" Dest: MAC - %02X:%02X:%02X:%02X:%02X:%02X", dst[0], dst[1], dst[2], dst[3], dst[4], dst[5]);
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main_log.printf(" Ethertype: 0x%04X", frame->ethertype);
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}
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*/
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#endif |
Kyle Lemons