4.1cBSD/a/sys/sys/sys_domain.c

/*	sys_domain.c	5.9	83/03/15	*/

#include "../h/param.h"
#include "../h/socket.h"
#include "../h/protosw.h"
#include "../h/domain.h"
#include "../h/time.h"
#include "../h/kernel.h"

#define	ADDDOMAIN(x)	{ \
	extern struct domain x/**/domain; \
	x/**/domain.dom_next = domains; \
	domains = &x/**/domain; \
}

domaininit()
{
	register struct domain *dp;
	register struct protosw *pr;

#ifndef lint
	ADDDOMAIN(unix);
#ifdef INET
	ADDDOMAIN(inet);
#endif
#ifdef PUP
	ADDDOMAIN(pup);
#endif
#include "imp.h"
#if NIMP > 0
	ADDDOMAIN(imp);
#endif
#endif

	for (dp = domains; dp; dp = dp->dom_next)
		for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
			if (pr->pr_init)
				(*pr->pr_init)();
	pffasttimo();
	pfslowtimo();
}

struct protosw *
pffindtype(family, type)
	int family, type;
{
	register struct domain *dp;
	register struct protosw *pr;

	for (dp = domains; dp; dp = dp->dom_next)
		if (dp->dom_family == family)
			goto found;
	return (0);
found:
	for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
		if (pr->pr_type && pr->pr_type == type)
			return (pr);
	return (0);
}

struct protosw *
pffindproto(family, protocol)
	int family, protocol;
{
	register struct domain *dp;
	register struct protosw *pr;

	if (family == 0)
		return (0);
	for (dp = domains; dp; dp = dp->dom_next)
		if (dp->dom_family == family)
			goto found;
	return (0);
found:
	for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
		if (pr->pr_protocol == protocol)
			return (pr);
	return (0);
}

pfctlinput(cmd, arg)
	int cmd;
	caddr_t arg;
{
	register struct domain *dp;
	register struct protosw *pr;

	for (dp = domains; dp; dp = dp->dom_next)
		for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
			if (pr->pr_ctlinput)
				(*pr->pr_ctlinput)(cmd, arg);
}

pfslowtimo()
{
	register struct domain *dp;
	register struct protosw *pr;

	for (dp = domains; dp; dp = dp->dom_next)
		for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
			if (pr->pr_slowtimo)
				(*pr->pr_slowtimo)();
	timeout(pfslowtimo, (caddr_t)0, hz/2);
}

pffasttimo()
{
	register struct domain *dp;
	register struct protosw *pr;

	for (dp = domains; dp; dp = dp->dom_next)
		for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
			if (pr->pr_fasttimo)
				(*pr->pr_fasttimo)();
	timeout(pffasttimo, (caddr_t)0, hz/5);
}