35 lines
828 B
C
35 lines
828 B
C
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/* netboot
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*
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* $Log: packet.h,v $
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* Revision 1.1 1993/07/08 16:04:08 brezak
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* Diskless boot prom code from Jim McKim (mckim@lerc.nasa.gov)
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*
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* Revision 1.1.1.1 1993/05/28 11:41:08 mckim
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* Initial version.
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*
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*
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* source in this file came from
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* the Mach ethernet boot written by Leendert van Doorn.
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*
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* Packet layout definitions
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*/
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/* implementation constants */
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#define PKT_POOLSIZE 5
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#define PKT_DATASIZE 1514
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/*
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* Structure of a packet.
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* Each packet can hold exactly one ethernet message.
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*/
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typedef struct {
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u_short pkt_used; /* whether this packet it used */
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u_short pkt_len; /* length of data */
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u_char *pkt_offset; /* current offset in data */
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u_char pkt_data[PKT_DATASIZE]; /* packet data */
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} packet_t;
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void PktInit(void);
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packet_t *PktAlloc(u_long);
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void PktRelease(packet_t *);
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