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/* |
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* ether.h - SheepShaver Ethernet Device Driver |
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* |
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* SheepShaver (C) 1997-2002 Marc Hellwig and Christian Bauer |
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* SheepShaver (C) 1997-2005 Marc Hellwig and Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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extern void EtherIRQ(void); |
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extern void AO_get_ethernet_address(uint8 *addr); |
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extern void AO_enable_multicast(uint8 *addr); |
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extern void AO_disable_multicast(uint8 *addr); |
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extern void AO_transmit_packet(mblk_t *mp); |
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extern void AO_get_ethernet_address(uint32 addr); |
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extern void AO_enable_multicast(uint32 addr); |
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extern void AO_disable_multicast(uint32 addr); |
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extern void AO_transmit_packet(uint32 mp); |
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extern mblk_t *allocb(size_t size, int pri); |
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extern void OTEnterInterrupt(void); |
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extern void OTLeaveInterrupt(void); |
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extern void ether_dispatch_packet(uint32 p, uint32 length); |
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extern void ether_packet_received(mblk_t *mp); |
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extern bool ether_driver_opened; |
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// Ethernet packet allocator (optimized for 32-bit platforms in real addressing mode) |
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class EthernetPacket { |
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#if SIZEOF_VOID_P == 4 && REAL_ADDRESSING |
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uint8 packet[1516]; |
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public: |
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uint32 addr(void) const { return (uint32)packet; } |
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#else |
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uint32 packet; |
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public: |
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EthernetPacket(); |
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~EthernetPacket(); |
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uint32 addr(void) const { return packet; } |
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#endif |
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}; |
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// Copy packet data from message block to linear buffer (must hold at |
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// least 1514 bytes), returns packet length |
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static inline int ether_msgb_to_buffer(uint32 mp, uint8 *p) |
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{ |
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int len = 0; |
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while (mp) { |
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uint32 size = ReadMacInt32(mp + 16) - ReadMacInt32(mp + 12); |
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Mac2Host_memcpy(p, ReadMacInt32(mp + 12), size); |
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len += size; |
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p += size; |
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mp = ReadMacInt32(mp + 8); |
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} |
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return len; |
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} |
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extern int32 num_wput; |
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extern int32 num_error_acks; |
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extern int32 num_tx_packets; |
