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      1 /*	$NetBSD: altq_component.c,v 1.1 2021/07/14 03:19:24 ozaki-r Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2019 Internet Initiative Japan Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     17  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: altq_component.c,v 1.1 2021/07/14 03:19:24 ozaki-r Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/stat.h>
     34 #include <sys/filedesc.h>
     35 
     36 #include <sys/vfs_syscalls.h>
     37 
     38 #include <net/if.h>
     39 
     40 #include <altq/altq.h>
     41 
     42 #include <rump-sys/kern.h>
     43 #include <rump-sys/vfs.h>
     44 
     45 static void
     46 create_altq_devs(void)
     47 {
     48 	extern const struct cdevsw altq_cdevsw;
     49 	devmajor_t bmajor = NODEVMAJOR, cmajor = NODEVMAJOR;
     50 	int error;
     51 
     52 	error = devsw_attach("altq", NULL, &bmajor,
     53 	    &altq_cdevsw, &cmajor);
     54 	if (error != 0)
     55 		panic("altq devsw attach failed: %d", error);
     56 
     57 	do_sys_mkdir("/dev/altq", 0755, UIO_SYSSPACE);
     58 
     59 	error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/altq/altq", cmajor, 0);
     60 	if (error != 0)
     61 		panic("cannot create altq device node: %d", error);
     62 
     63 	error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/altq/cbq", cmajor, ALTQT_CBQ);
     64 	if (error != 0)
     65 		panic("cannot create altq/cbq device node: %d", error);
     66 }
     67 
     68 RUMP_COMPONENT(RUMP_COMPONENT_NET_IF)
     69 {
     70 
     71 	create_altq_devs();
     72 }
     73