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65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/* $NetBSD: tap_component.c,v 1.2 2015/08/20 12:20:09 christos Exp $ */
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/*
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* Copyright (c) 2015 Wei Liu. 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: tap_component.c,v 1.2 2015/08/20 12:20:09 christos Exp $");
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/stat.h>
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#include "rump_private.h"
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#include "rump_net_private.h"
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#include "rump_vfs_private.h"
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#include "ioconf.h"
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CFDRIVER_DECL(tap, DV_IFNET, NULL);
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RUMP_COMPONENT(RUMP_COMPONENT_NET_IF)
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{
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extern const struct cdevsw tap_cdevsw;
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devmajor_t bmaj, cmaj;
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int error;
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config_cfdriver_attach(&tap_cd);
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tapattach(0);
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bmaj = cmaj = NODEVMAJOR;
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error = devsw_attach("tap", NULL, &bmaj, &tap_cdevsw, &cmaj);
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if (error != 0)
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panic("tap devsw attach failed: %d", error);
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error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/tap", cmaj, 0xfffff);
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if (error != 0)
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panic("cannot create tap device node: %d", error);
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error = rump_vfs_makedevnodes(S_IFCHR, "/dev/tap", '0', cmaj, 0, 4);
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if (error != 0)
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panic("cannot create tap[0-4] device node: %d", error);
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}
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