100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2, or (at
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* your option) any later version.
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*/
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#ifndef NIC_H
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#define NIC_H
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#include <byteswap.h>
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#include <gpxe/pci.h>
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#include "dhcp.h"
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typedef enum {
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DISABLE = 0,
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ENABLE,
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FORCE
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} irq_action_t;
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typedef enum duplex {
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HALF_DUPLEX = 1,
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FULL_DUPLEX
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} duplex_t;
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/*
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* Structure returned from eth_probe and passed to other driver
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* functions.
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*/
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struct nic {
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struct nic_operations *nic_op;
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int flags; /* driver specific flags */
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unsigned char *node_addr;
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unsigned char *packet;
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unsigned int packetlen;
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unsigned int ioaddr;
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unsigned char irqno;
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unsigned int mbps;
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duplex_t duplex;
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struct dhcp_dev_id dhcp_dev_id;
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void *priv_data; /* driver private data */
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};
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struct nic_operations {
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int ( *connect ) ( struct nic * );
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int ( *poll ) ( struct nic *, int retrieve );
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void ( *transmit ) ( struct nic *, const char *,
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unsigned int, unsigned int, const char * );
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void ( *irq ) ( struct nic *, irq_action_t );
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};
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extern struct nic nic;
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static inline int eth_poll ( int retrieve ) {
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return nic.nic_op->poll ( &nic, retrieve );
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}
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static inline void eth_transmit ( const char *dest, unsigned int type,
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unsigned int size, const void *packet ) {
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nic.nic_op->transmit ( &nic, dest, type, size, packet );
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}
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/*
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* Function prototypes
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*
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*/
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extern int dummy_connect ( struct nic *nic );
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extern void dummy_irq ( struct nic *nic, irq_action_t irq_action );
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extern int legacy_probe ( struct pci_device *pci,
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const struct pci_device_id *id,
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int ( * probe ) ( struct nic *nic,
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struct pci_device *pci ),
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void ( * disable ) ( struct nic *nic ) );
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extern void legacy_remove ( struct pci_device *pci,
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void ( * disable ) ( struct nic *nic ) );
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extern void pci_fill_nic ( struct nic *nic, struct pci_device *pci );
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#define PCI_DRIVER(_name,_ids,_class) \
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static int _name ## _legacy_probe ( struct pci_device *pci, \
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const struct pci_device_id *id ); \
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static void _name ## _legacy_remove ( struct pci_device *pci ); \
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struct pci_driver _name __pci_driver = { \
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.ids = _ids, \
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.id_count = sizeof ( _ids ) / sizeof ( _ids[0] ), \
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.probe = _name ## _legacy_probe, \
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.remove = _name ## _legacy_remove, \
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};
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#undef DRIVER
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#define DRIVER(_unused1,_unused2,_unused3,_name,_probe,_disable) \
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static int _name ## _legacy_probe ( struct pci_device *pci, \
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const struct pci_device_id *id ) {\
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return legacy_probe ( pci, id, _probe, _disable ); \
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} \
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static void _name ## _legacy_remove ( struct pci_device *pci ) {\
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return legacy_remove ( pci, _disable ); \
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}
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#endif /* NIC_H */
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