2002/0403/pc/ethersink.c (diff list | history)

pc/ethersink.c on 2002/0217
2002/0217		/* * An ethernet /dev/null. * Useful as a bridging target with ethernet-based VPN. */ #include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "io.h" #include "../port/error.h" #include "../port/netif.h" #include "etherif.h" static long ctl(Ether *ether, void *buf, long n) { uchar ea[Eaddrlen]; Cmdbuf *cb; cb = parsecmd(buf, n); if(cb->nf >= 2 && strcmp(cb->f[0], "ea")==0 && parseether(ea, cb->f[1]) == 0){ free(cb); memmove(ether->ea, ea, Eaddrlen); memmove(ether->addr, ether->ea, Eaddrlen); return 0; } free(cb); error(Ebadctl); return -1; /* not reached */ } static void nop(Ether*) { } static int reset(Ether* ether) { uchar ea[Eaddrlen];
2002/0403		if(ether->type==nil) return -1;
2002/0217		memset(ea, 0, sizeof ea); ether->mbps = 1000; ether->attach = nop; ether->transmit = nop; ether->irq = 0; ether->interrupt = nil; ether->ifstat = nil; ether->ctl = ctl; ether->promiscuous = nil; ether->multicast = nil; ether->arg = ether; return 0; } void ethersinklink(void) { addethercard("sink", reset); }