head	1.1;access;symbols;locks	dls:1.1; strict;comment	@ * @;1.1date	97.09.21.19.22.42;	author dls;	state Dist;branches;next	;desc@@1.1log@Initial revision@text@/* arpalloc.c - arpalloc */#include <conf.h>#include <kernel.h>#include <proc.h>#include <network.h>void arpdq();/*------------------------------------------------------------------------ * arpalloc - allocate an entry in the ARP table *	N.B. Assumes interrupts DISABLED *------------------------------------------------------------------------ */struct arpentry *arpalloc(){	static	int	aenext = 0;	struct	arpentry *pae;	int	i;	for (i=0; i<ARP_TSIZE; ++i) {		if (arptable[aenext].ae_state == AS_FREE)			break;		aenext = (aenext + 1) % ARP_TSIZE;	}	pae = & arptable[aenext];	aenext = (aenext + 1) % ARP_TSIZE;	if (pae->ae_state == AS_PENDING && pae->ae_queue >= 0)		arpdq(pae);	pae->ae_state = AS_PENDING;	return pae;}@