| 1 | /*
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| 2 | * This program is free software; you can redistribute it and/or
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| 3 | * modify it under the terms of the GNU General Public License as
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| 4 | * published by the Free Software Foundation; either version 2, or (at
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| 5 | * your option) any later version.
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| 6 | */
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| 7 |
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| 8 | #ifndef NIC_H
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| 9 | #define NIC_H
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| 10 |
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| 11 | #include "dev.h"
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| 12 |
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| 13 | typedef enum {
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| 14 | DISABLE = 0,
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| 15 | ENABLE,
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| 16 | FORCE
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| 17 | } irq_action_t;
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| 18 |
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| 19 | /*
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| 20 | * Structure returned from eth_probe and passed to other driver
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| 21 | * functions.
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| 22 | */
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| 23 | struct nic
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| 24 | {
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| 25 | struct dev dev; /* This must come first */
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| 26 | int (*poll)P((struct nic *, int retrieve));
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| 27 | void (*transmit)P((struct nic *, const char *d,
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| 28 | unsigned int t, unsigned int s, const char *p));
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| 29 | void (*irq)P((struct nic *, irq_action_t));
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| 30 | int flags; /* driver specific flags */
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| 31 | struct rom_info *rom_info; /* -> rom_info from main */
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| 32 | unsigned char *node_addr;
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| 33 | unsigned char *packet;
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| 34 | unsigned int packetlen;
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| 35 | unsigned int ioaddr;
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| 36 | unsigned char irqno;
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| 37 | void *priv_data; /* driver can hang private data here */
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| 38 | };
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| 39 |
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| 40 |
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| 41 | extern struct nic nic;
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| 42 | extern int eth_probe(struct dev *dev);
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| 43 | extern int eth_poll(int retrieve);
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| 44 | extern void eth_transmit(const char *d, unsigned int t, unsigned int s, const void *p);
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| 45 | extern void eth_disable(void);
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| 46 | extern void eth_irq(irq_action_t action);
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| 47 | extern int eth_load_configuration(struct dev *dev);
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| 48 | extern int eth_load(struct dev *dev);;
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| 49 | #endif /* NIC_H */
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