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altq_conf.h revision 1.2 
      1 /*	$NetBSD: altq_conf.h,v 1.2 2000/12/14 08:49:50 thorpej Exp $	*/
      2 /*	$KAME: altq_conf.h,v 1.5 2000/12/14 08:12:45 thorpej Exp $	*/
      3 
      4 /*
      5  * Copyright (C) 1998-2000
      6  *	Sony Computer Science Laboratories Inc.  All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
     18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     20  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
     21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  * SUCH DAMAGE.
     28  */
     29 #ifndef _ALTQ_ALTQ_CONF_H_
     30 #define	_ALTQ_ALTQ_CONF_H_
     31 
     32 #ifdef _KERNEL
     33 
     34 #include <sys/param.h>
     35 #include <sys/conf.h>
     36 #include <sys/kernel.h>
     37 
     38 #if (__FreeBSD_version > 300000)
     39 #define	ALTQ_KLD
     40 #endif
     41 
     42 #ifdef ALTQ_KLD
     43 #include <sys/module.h>
     44 #endif
     45 
     46 #ifndef dev_decl
     47 #ifdef __STDC__
     48 #define	dev_decl(n,t)	d_ ## t ## _t n ## t
     49 #else
     50 #define	dev_decl(n,t)	d_/**/t/**/_t n/**/t
     51 #endif
     52 #endif
     53 
     54 #if defined(__NetBSD__) || defined(__OpenBSD__)
     55 typedef int d_open_t __P((dev_t dev, int oflags, int devtype, struct proc *p));
     56 typedef int d_close_t __P((dev_t dev, int fflag, int devtype, struct proc *p));
     57 typedef int d_ioctl_t __P((dev_t dev, u_long cmd, caddr_t data,
     58 			   int fflag, struct proc *p));
     59 
     60 #define	noopen	(dev_type_open((*))) enodev
     61 #define	noclose	(dev_type_close((*))) enodev
     62 #define	noioctl	(dev_type_ioctl((*))) enodev
     63 #endif /* __NetBSD__ || __OpenBSD__ */
     64 
     65 #if defined(__OpenBSD__)
     66 int altqopen __P((dev_t dev, int oflags, int devtype, struct proc *p));
     67 int altqclose __P((dev_t dev, int fflag, int devtype, struct proc *p));
     68 int altqioctl __P((dev_t dev, u_long cmd, caddr_t data, int fflag,
     69                            struct proc *p));
     70 #endif
     71 
     72 /*
     73  * altq queueing discipline switch structure
     74  */
     75 struct altqsw {
     76         char		*d_name;
     77 	d_open_t	*d_open;
     78 	d_close_t	*d_close;
     79 	d_ioctl_t	*d_ioctl;
     80 };
     81 
     82 #define	altqdev_decl(n) \
     83 	dev_decl(n,open); dev_decl(n,close); dev_decl(n,ioctl)
     84 
     85 #ifdef ALTQ_KLD
     86 
     87 struct altq_module_data {
     88 	int	type;		/* discipline type */
     89 	int	ref;		/* reference count */
     90 	struct	altqsw *altqsw; /* discipline functions */
     91 };
     92 
     93 #define	ALTQ_MODULE(name, type, devsw)					\
     94 static struct altq_module_data name##_moddata = { type, 0, devsw };	\
     95 									\
     96 moduledata_t name##_mod = {						\
     97     #name,								\
     98     altq_module_handler,						\
     99     &name##_moddata							\
    100 };									\
    101 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE+96)
    102 
    103 void altq_module_incref __P((int));
    104 void altq_module_declref __P((int));
    105 int altq_module_handler __P((module_t, int, void *));
    106 
    107 #endif /* ALTQ_KLD */
    108 
    109 #endif /* _KERNEL */
    110 #endif /* _ALTQ_ALTQ_CONF_H_ */
    111