/* $NetBSD: tap_component.c,v 1.4 2016/08/08 09:29:45 pgoyette Exp $ */ /* * Copyright (c) 2015 Wei Liu. 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/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: tap_component.c,v 1.4 2016/08/08 09:29:45 pgoyette Exp $"); #include <sys/param.h> #include <sys/device.h> #include <sys/stat.h> #include <rump-sys/kern.h> #include <rump-sys/vfs.h> #include "ioconf.h" RUMP_COMPONENT(RUMP_COMPONENT_NET_IF) { extern const struct cdevsw tap_cdevsw; extern devmajor_t tap_bmajor, tap_cmajor; int error; error = devsw_attach("tap", NULL, &tap_bmajor, &tap_cdevsw, &tap_cmajor); if (error != 0) panic("tap devsw attach failed: %d", error); error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/tap", tap_cmajor, 0xfffff); if (error != 0) panic("cannot create tap device node: %d", error); error = rump_vfs_makedevnodes(S_IFCHR, "/dev/tap", '0', tap_cmajor, 0, 4); if (error != 0) panic("cannot create tap[0-4] device node: %d", error); devsw_detach(NULL, &tap_cdevsw); } |