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- /* 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 */
-
-