sys/altq/altq_conf.h

   1 /*      $NetBSD: altq_conf.h,v 1.9 2006/10/12 19:59:08 peter Exp $      */
   2 /*      $KAME: altq_conf.h,v 1.10 2005/04/13 03:44:24 suz Exp $ */
   3
   4 /*
   5  * Copyright (C) 1998-2002
   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 #ifdef ALTQ3_COMPAT
  32
  33 #ifdef _KERNEL
  34
  35 #include <sys/param.h>
  36 #include <sys/conf.h>
  37 #include <sys/kernel.h>
  38
  39 #if (__FreeBSD_version > 300000)
  40 #define ALTQ_KLD
  41 #endif
  42
  43 #ifdef ALTQ_KLD
  44 #include <sys/module.h>
  45 #endif
  46
  47 #ifndef dev_decl
  48 #ifdef __STDC__
  49 #define dev_decl(n,t)   d_ ## t ## _t n ## t
  50 #else
  51 #define dev_decl(n,t)   d_/**/t/**/_t n/**/t
  52 #endif
  53 #endif
  54
  55 #if defined(__NetBSD__)
  56 typedef int d_open_t(dev_t, int, int, struct lwp *);
  57 typedef int d_close_t(dev_t, int, int, struct lwp *);
  58 typedef int d_ioctl_t(dev_t, u_long, void *, int, struct lwp *);
  59 #endif /* __NetBSD__ */
  60
  61 #if defined(__OpenBSD__)
  62 typedef int d_open_t(dev_t, int, int, struct proc *);
  63 typedef int d_close_t(dev_t, int, int, struct proc *);
  64 typedef int d_ioctl_t(dev_t, u_long, void *, int, struct proc *);
  65
  66 #define noopen  (dev_type_open((*))) enodev
  67 #define noclose (dev_type_close((*))) enodev
  68 #define noioctl (dev_type_ioctl((*))) enodev
  69
  70 int altqopen(dev_t, int, int, struct proc *);
  71 int altqclose(dev_t, int, int, struct proc *);
  72 int altqioctl(dev_t, u_long, void *, int, struct proc *);
  73 #endif
  74
  75 /*
  76  * altq queueing discipline switch structure
  77  */
  78 struct altqsw {
  79         const char      *d_name;
  80         d_open_t        *d_open;
  81         d_close_t       *d_close;
  82         d_ioctl_t       *d_ioctl;
  83 #ifdef __FreeBSD__
  84         dev_t            dev;   /* make_dev result for later destroy_dev */
  85 #endif
  86 };
  87
  88 #define altqdev_decl(n) \
  89         dev_decl(n,open); dev_decl(n,close); dev_decl(n,ioctl)
  90
  91 #ifdef ALTQ_KLD
  92
  93 struct altq_module_data {
  94         int     type;           /* discipline type */
  95         int     ref;            /* reference count */
  96         struct  altqsw *altqsw; /* discipline functions */
  97 };
  98
  99 #define ALTQ_MODULE(name, type, devsw)                                  \
 100 static struct altq_module_data name##_moddata = { type, 0, devsw };     \
 101                                                                         \
 102 moduledata_t name##_mod = {                                             \
 103     #name,                                                              \
 104     altq_module_handler,                                                \
 105     &name##_moddata                                                     \
 106 };                                                                      \
 107 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE+96)
 108
 109 void altq_module_incref(int);
 110 void altq_module_declref(int);
 111 int altq_module_handler(module_t, int, void *);
 112
 113 #endif /* ALTQ_KLD */
 114
 115 #endif /* _KERNEL */
 116 #endif /* ALTQ3_COMPAT */
 117 #endif /* _ALTQ_ALTQ_CONF_H_ */