67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/* $NetBSD: netisr.c,v 1.9 2014/06/05 23:48:17 rmind Exp $ */
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/*
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* Copyright (c) 2008 Antti Kantee. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: netisr.c,v 1.9 2014/06/05 23:48:17 rmind Exp $");
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#include <sys/param.h>
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#include <sys/intr.h>
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#include <net/netisr.h>
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#include <rump/rumpuser.h>
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#include "rump_net_private.h"
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static void *netisrs[NETISR_MAX];
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void
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schednetisr(int isr)
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{
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KASSERT(isr != NETISR_IP);
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KASSERT(isr != NETISR_IPV6);
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/*
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* Do not schedule a softint that is not registered.
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* This might cause the inq to fill, but the one calling us
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* should start dropping packets once the inq is full,
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* so no big harm done.
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*/
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if (__predict_true(netisrs[isr]))
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softint_schedule(netisrs[isr]);
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}
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void
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rump_netisr_register(int level, void (*handler)(void))
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{
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KASSERT(level != NETISR_IP);
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KASSERT(level != NETISR_IPV6);
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netisrs[level] = softint_establish(SOFTINT_NET | SOFTINT_MPSAFE,
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(void (*)(void *))handler, NULL);
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}
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