NetBSD-5.0.2/sys/rump/librump/rumpnet/netisr.c

/*	$NetBSD: netisr.c,v 1.1 2008/10/15 13:00:39 pooka Exp $	*/

/*
 * Copyright (c) 2008 Antti Kantee.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/param.h>
#include <sys/intr.h>

#include <netinet/in.h>
#include <netinet/ip_var.h>
#include <netinet/if_inarp.h>
#include <net/netisr.h>

#include "rump_net_private.h"

static void *netisrs[NETISR_MAX];
void
schednetisr(int isr)
{

	softint_schedule(netisrs[isr]);
}

/*
 * Provide weak aliases purely for linkage in case the real
 * networking stack isn't used
 */
void __ipintr_stub(void);
void
__ipintr_stub()
{

	panic("ipintr called but networking stack missing");
}
__weak_alias(ipintr,__ipintr_stub);

void __arpintr_stub(void);
void
__arpintr_stub()
{

	panic("arpintr called but networking stack missing");
}
__weak_alias(arpintr,__arpintr_stub);

void
rump_netisr_init()
{

	netisrs[NETISR_IP] = softint_establish(SOFTINT_NET | SOFTINT_MPSAFE,
	    (void (*)(void *))ipintr, NULL);
	netisrs[NETISR_ARP] = softint_establish(SOFTINT_NET | SOFTINT_MPSAFE,
	    (void (*)(void *))arpintr, NULL);
}