Add a loadable module for tap(4).
The code was already modularized, we simply didn't build the loadable module. Note also that since the tap(4) device can be reasonably accessed by either creating a device instance (using ifconfig(8)) or by opening /dev/tap, we need to create both if_tap.kmod and tap.kmod (similar to what is done with tun(4)).
This commit is contained in:
pgoyette
parent
531e64eefe
commit
9c4fa8bcb0
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@ -1,4 +1,4 @@
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# $NetBSD: mi,v 1.119 2019/02/06 11:55:05 rin Exp $
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# $NetBSD: mi,v 1.120 2019/03/24 11:20:26 pgoyette Exp $
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#
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# Note: don't delete entries from here - mark them as "obsolete" instead.
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#
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@ -228,6 +228,8 @@
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./@MODULEDIR@/if_stf/if_stf.kmod base-kernel-modules kmod
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./@MODULEDIR@/if_strip base-kernel-modules kmod
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./@MODULEDIR@/if_strip/if_strip.kmod base-kernel-modules kmod
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./@MODULEDIR@/if_tap base-kernel-modules kmod
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./@MODULEDIR@/if_tap/if_tap.kmod base-kernel-modules kmod
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./@MODULEDIR@/if_tun base-kernel-modules kmod
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./@MODULEDIR@/if_tun/if_tun.kmod base-kernel-modules kmod
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./@MODULEDIR@/if_ure base-kernel-modules kmod
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@ -416,6 +418,8 @@
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./@MODULEDIR@/tmpfs/tmpfs.kmod base-kernel-modules kmod
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./@MODULEDIR@/tprof base-kernel-modules kmod
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./@MODULEDIR@/tprof/tprof.kmod base-kernel-modules kmod
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./@MODULEDIR@/tap base-kernel-modules kmod
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./@MODULEDIR@/tap/tap.kmod base-kernel-modules kmod
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./@MODULEDIR@/tun base-kernel-modules kmod
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./@MODULEDIR@/tun/tun.kmod base-kernel-modules kmod
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./@MODULEDIR@/twa base-obsolete obsolete
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.219 2019/02/06 11:55:06 rin Exp $
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# $NetBSD: Makefile,v 1.220 2019/03/24 11:20:26 pgoyette Exp $
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.include <bsd.own.mk>
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@ -87,6 +87,7 @@ SUBDIR+= if_smsc
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SUBDIR+= if_srt
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SUBDIR+= if_stf
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SUBDIR+= if_strip
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SUBDIR+= if_tap tap
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SUBDIR+= if_tun tun
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SUBDIR+= if_ure
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SUBDIR+= if_vlan
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@ -0,0 +1,14 @@
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# $NetBSD: Makefile,v 1.1 2019/03/24 11:20:26 pgoyette Exp $
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.include "../Makefile.inc"
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.PATH: ${S}/net
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KMOD= if_tap
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IOCONF= tap.ioconf
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SRCS= if_tap.c
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CPPFLAGS+= -DINET
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CPPFLAGS+= -DINET6
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.include <bsd.kmodule.mk>
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@ -0,0 +1,7 @@
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# $NetBSD: tap.ioconf,v 1.1 2019/03/24 11:20:26 pgoyette Exp $
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ioconf tap
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include "conf/files"
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pseudo-device tap
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@ -0,0 +1,8 @@
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# $NetBSD: Makefile,v 1.1 2019/03/24 11:20:26 pgoyette Exp $
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.include "../Makefile.inc"
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KMOD= tap
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SRCS= tap.c
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.include <bsd.kmodule.mk>
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@ -0,0 +1,51 @@
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/* $NetBSD: tap.c,v 1.1 2019/03/24 11:20:26 pgoyette Exp $ */
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/*-
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* Copyright (c) 2016 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Goyette
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: tap.c,v 1.1 2019/03/24 11:20:26 pgoyette Exp $");
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#include <sys/errno.h>
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#include <sys/module.h>
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MODULE(MODULE_CLASS_DRIVER, tap, "if_tap");
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static int
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tap_modcmd(modcmd_t cmd, void *arg)
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{
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switch (cmd) {
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case MODULE_CMD_INIT:
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case MODULE_CMD_FINI:
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return 0;
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default:
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return ENOTTY;
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}
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}
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