/*
 * 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"

typedef enum {
        DISABLE = 0,
        ENABLE,
        FORCE
} irq_action_t;

/*
 *      Structure returned from eth_probe and passed to other driver
 *      functions.
 */
struct nic
{
        struct dev      dev;  /* This must come first */
        int             (*poll)P((struct nic *, int retrieve));
        void            (*transmit)P((struct nic *, const char *d,
                                unsigned int t, unsigned int s, const char *p));
        void            (*irq)P((struct nic *, irq_action_t));
        int             flags;  /* driver specific flags */
        struct rom_info *rom_info;      /* -> rom_info from main */
        unsigned char   *node_addr;
        unsigned char   *packet;
        unsigned int    packetlen;
        unsigned int    ioaddr;
        unsigned char   irqno;
        void            *priv_data;     /* driver can hang private data here */
};

extern int  eth_probe(struct dev *dev);
extern int  eth_poll(int retrieve);
extern void eth_transmit(const char *d, unsigned int t, unsigned int s, const void *p);
extern void eth_disable(void);
extern void eth_irq(irq_action_t action);
#endif  /* NIC_H */