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Atari Mega Archive 1
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SOURCE.ARC
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PKTDRVR.H
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C/C++ Source or Header
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1988-09-03
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2KB
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73 lines
/* Packet driver interface classes */
#define ETHERNET 1
#define PRONET_10 2
#define IEEE8025 3
#define OMNINET 4
#define APPLETALK 5
#define SERIAL_LINE 6
#define STARLAN 7
#define ARCNET 8
/* Packet driver interface types (not a complete list) */
#define TC500 1
#define PC2000 10
#define WD8003 14
#define ANYTYPE 0xffff
/* Packet driver function call numbers. From Appendix B. */
#define DRIVER_INFO 1
#define ACCESS_TYPE 2
#define RELEASE_TYPE 3
#define SEND_PKT 4
#define TERMINATE 5
#define GET_ADDRESS 6
#define RESET_INTERFACE 7
#define SET_RCV_MODE 20
#define GET_RCV_MODE 21
#define SET_MULTICAST_LIST 22
#define GET_MULTICAST_LIST 23
#define GET_STATISTICS 24
/* Packet driver error return codes. From Appendix C. */
#define NO_ERROR 0
#define BAD_HANDLE 1 /* invalid handle number */
#define NO_CLASS 2 /* no interfaces of specified class found */
#define NO_TYPE 3 /* no interfaces of specified type found */
#define NO_NUMBER 4 /* no interfaces of specified number found */
#define BAD_TYPE 5 /* bad packet type specified */
#define NO_MULTICAST 6 /* this interface does not support multicast */
#define CANT_TERMINATE 7 /* this packet driver cannot terminate */
#define BAD_MODE 8 /* an invalid receiver mode was specified */
#define NO_SPACE 9 /* operation failed because of insufficient space */
#define TYPE_INUSE 10 /* the type had previously been accessed, and not released */
#define BAD_COMMAND 11 /* the command was out of range, or not implemented */
#define CANT_SEND 12 /* the packet couldn't be sent (usually hardware error) */
typedef union {
struct {
unsigned char lo;
unsigned char hi;
} byte;
unsigned short word;
} ureg;
#define CARRY_FLAG 0x1
struct pktdrvr {
int class; /* Interface class (ether/slip/etc) */
int intno; /* Interrupt vector */
short handle1; /* Driver handle(s) */
short handle2;
struct mbuf *buffer; /* Currently allocated rx buffer */
struct mbuf *rcvq; /* Receive queue */
unsigned rcvcnt; /* Number of packets on queue */
unsigned rcvmax; /* Maximum length of rcvq */
};
extern struct pktdrvr pktdrvr[];
#define PK_MAX 3
#define PKT_SIG "PKT DRVR" /* Packet driver signature */