1 /*        $NetBSD: altq_conf.h,v 1.10 2007/03/04 05:59:01 christos 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_ */
118