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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- enum {
- MaxEther = 48,
- Ntypes = 8,
- };
- typedef struct Ether Ether;
- struct Ether {
- ISAConf ISAConf; /* hardware info */
- int ctlrno;
- int tbdf; /* type+busno+devno+funcno */
- uint8_t ea[Eaddrlen];
- void (*attach)(Ether*); /* filled in by reset routine */
- void (*detach)(Ether*);
- void (*transmit)(Ether*);
- void (*interrupt)(Ureg*, void*);
- int32_t (*ifstat)(Ether*, void*, int32_t, uint32_t);
- int32_t (*ctl)(Ether*, void*, int32_t); /* custom ctl messages */
- void (*power)(Ether*, int); /* power on/off */
- void (*shutdown)(Ether*); /* shutdown hardware before reboot */
- void *ctlr;
- Queue* oq;
- Netif Netif;
- };
- extern Block* etheriq(Ether*, Block*, int);
- extern void addethercard(char*, int(*)(Ether*));
- extern uint32_t ethercrc(unsigned char*, int);
- extern int parseether(unsigned char*, char*);
- #define NEXT(x, l) (((x)+1)%(l))
- #define PREV(x, l) (((x) == 0) ? (l)-1: (x)-1)
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