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/* |
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* sheep_net.h - SheepShaver net server add-on |
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* |
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* SheepShaver (C) 1997-1999 Mar"c Hellwig and Christian Bauer |
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* All rights reserved. |
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*/ |
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|
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#ifndef SHEEP_NET_H |
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#define SHEEP_NET_H |
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|
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// Net buffer dimensions |
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#define READ_PACKET_COUNT 10 |
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#define WRITE_PACKET_COUNT 10 |
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|
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// Net packet |
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struct net_packet { |
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uint32 cmd; // Command |
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uint32 length; // Data length |
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uint32 card; // Network card ID |
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uint32 reserved; |
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uint8 data[1584]; |
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}; |
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|
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// Net buffer (shared area) |
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struct net_buffer { |
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uint8 ether_addr[6]; // Ethernet address |
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uint8 filler1[2]; |
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sem_id read_sem; // Semaphore for read packets |
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uint32 read_ofs; |
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uint32 read_packet_size; |
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uint32 read_packet_count; |
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sem_id write_sem; // Semaphore for write packets |
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uint32 write_ofs; |
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uint32 write_packet_size; |
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uint32 write_packet_count; |
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uint8 filler[24]; |
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net_packet read[READ_PACKET_COUNT]; |
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net_packet write[WRITE_PACKET_COUNT]; |
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}; |
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|
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// Packet commands |
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#define SHEEP_PACKET 0 |
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#define ADD_MULTICAST 1 |
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#define REMOVE_MULTICAST 2 |
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#define ACTIVATE_SHEEP_NET 8 |
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#define DEACTIVATE_SHEEP_NET 9 |
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#define SHUTDOWN_SHEEP_NET 10 |
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|
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#define IN_USE 1 |
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|
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#endif |
