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- /*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2, or (at
- * your option) any later version.
- */
-
- #ifndef NIC_H
- #define NIC_H
-
- #include "dev.h"
- #include "byteswap.h"
- #include "dhcp.h"
-
- typedef enum {
- DISABLE = 0,
- ENABLE,
- FORCE
- } irq_action_t;
-
- typedef enum duplex {
- HALF_DUPLEX = 1,
- FULL_DUPLEX
- } duplex_t;
-
- /*
- * Structure returned from eth_probe and passed to other driver
- * functions.
- */
- struct nic {
- struct nic_operations *nic_op;
- int flags; /* driver specific flags */
- unsigned char *node_addr;
- unsigned char *packet;
- unsigned int packetlen;
- unsigned int ioaddr;
- unsigned char irqno;
- unsigned int mbps;
- duplex_t duplex;
- struct dhcp_dev_id dhcp_dev_id;
- void *priv_data; /* driver private data */
- };
-
- struct nic_operations {
- int ( *connect ) ( struct nic * );
- int ( *poll ) ( struct nic *, int retrieve );
- void ( *transmit ) ( struct nic *, const char *,
- unsigned int, unsigned int, const char * );
- void ( *irq ) ( struct nic *, irq_action_t );
- };
-
- extern struct type_driver nic_driver;
-
- /*
- * Function prototypes
- *
- */
- extern int dummy_connect ( struct nic *nic );
- extern void dummy_irq ( struct nic *nic, irq_action_t irq_action );
- extern void nic_disable ( struct nic *nic );
-
- /*
- * Functions that implicitly operate on the current boot device
- *
- */
-
- extern struct nic nic;
-
- static inline int eth_connect ( void ) {
- return nic.nic_op->connect ( &nic );
- }
-
- static inline int eth_poll ( int retrieve ) {
- return nic.nic_op->poll ( &nic, retrieve );
- }
-
- static inline void eth_transmit ( const char *dest, unsigned int type,
- unsigned int size, const void *packet ) {
- nic.nic_op->transmit ( &nic, dest, type, size, packet );
- }
-
- static inline void eth_irq ( irq_action_t action ) {
- nic.nic_op->irq ( &nic, action );
- }
-
- /* Should be using disable() rather than eth_disable() */
- extern void eth_disable ( void ) __attribute__ (( deprecated ));
-
- #endif /* NIC_H */
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