68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* Copyright (C) Charles Forsyth
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* See /doc/license/NOTICE.Plan9-9k.txt for details about the licensing.
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*/
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/* Portions of this file are Copyright (C) 9front's team.
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* See /doc/license/9front-mit for details about the licensing.
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* See http://code.9front.org/hg/plan9front/ for a list of authors.
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*/
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enum
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{
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Eaddrlen = 6,
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ETHERMINTU = 60, /* minimum transmit size */
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ETHERMAXTU = 1514, /* maximum transmit size */
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ETHERHDRSIZE = 14, /* size of an ethernet header */
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MaxEther = 48,
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Ntypes = 16,
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/* ethernet packet types */
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ETARP = 0x0806,
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ETIP4 = 0x0800,
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ETIP6 = 0x86DD,
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};
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typedef struct Ether Ether;
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struct Ether {
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ISAConf; /* hardware info */
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int ctlrno;
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int minmtu;
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int maxmtu;
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uint8_t ea[Eaddrlen];
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void (*attach)(Ether*); /* filled in by reset routine */
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void (*detach)(Ether*);
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void (*transmit)(Ether*);
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void (*interrupt)(Ureg*, void*);
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long (*ifstat)(Ether*, void*, long, uint32_t);
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long (*ctl)(Ether*, void*, long); /* custom ctl messages */
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void (*power)(Ether*, int); /* power on/off */
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void (*shutdown)(Ether*); /* shutdown hardware before reboot */
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void *ctlr;
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void *vector;
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int scan[Ntypes]; /* base station scanning interval */
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int nscan; /* number of base station scanners */
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Netif netif;
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};
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typedef struct Etherpkt Etherpkt;
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struct Etherpkt
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{
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uint8_t d[Eaddrlen];
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uint8_t s[Eaddrlen];
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uint8_t type[2];
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uint8_t data[1500];
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};
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extern Block* etheriq(Ether*, Block*, int);
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extern void addethercard(char*, int(*)(Ether*));
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extern uint32_t ethercrc(uint8_t*, int);
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extern int parseether(uint8_t*, char*);
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extern int ethercfgmatch(Ether*, Pcidev*, uintmem);
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#define NEXT(x, l) (((x)+1)%(l))
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#define PREV(x, l) (((x) == 0) ? (l)-1: (x)-1)
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