/*
* 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 <byteswap.h>
#include <gpxe/pci.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 nic 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 );
}
/*
* Function prototypes
*
*/
extern int dummy_connect ( struct nic *nic );
extern void dummy_irq ( struct nic *nic, irq_action_t irq_action );
extern int legacy_probe ( struct pci_device *pci,
const struct pci_device_id *id,
int ( * probe ) ( struct nic *nic,
struct pci_device *pci ),
void ( * disable ) ( struct nic *nic ) );
extern void legacy_remove ( struct pci_device *pci,
void ( * disable ) ( struct nic *nic ) );
extern void pci_fill_nic ( struct nic *nic, struct pci_device *pci );
#define PCI_DRIVER(_name,_ids,_class) \
static int _name ## _legacy_probe ( struct pci_device *pci, \
const struct pci_device_id *id ); \
static void _name ## _legacy_remove ( struct pci_device *pci ); \
struct pci_driver _name __pci_driver = { \
.ids = _ids, \
.id_count = sizeof ( _ids ) / sizeof ( _ids[0] ), \
.probe = _name ## _legacy_probe, \
.remove = _name ## _legacy_remove, \
};
#undef DRIVER
#define DRIVER(_unused1,_unused2,_unused3,_name,_probe,_disable) \
static int _name ## _legacy_probe ( struct pci_device *pci, \
const struct pci_device_id *id ) {\
return legacy_probe ( pci, id, _probe, _disable ); \
} \
static void _name ## _legacy_remove ( struct pci_device *pci ) {\
return legacy_remove ( pci, _disable ); \
}
#endif /* NIC_H */
