import ALTQ, alternate queueing support, from KAME.

ALTQ allows to switch various queueing disciplines on output network
interfaces.

1 files changed, 108 insertions, 0 deletions

diff --git a/sys/altq/altq_conf.h b/sys/altq/altq_conf.h
new file mode 100644
index 00000000000..de935e58daa
--- /dev/null
+++ b/sys/altq/altq_conf.h
@@ -0,0 +1,108 @@
+/*	$OpenBSD: altq_conf.h,v 1.1 2001/06/27 05:28:35 kjc Exp $	*/
+/*	$KAME: altq_conf.h,v 1.6 2001/01/29 19:59:09 itojun Exp $	*/
+
+/*
+ * Copyright (C) 1998-2000
+ *	Sony Computer Science Laboratories Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#ifndef _ALTQ_ALTQ_CONF_H_
+#define	_ALTQ_ALTQ_CONF_H_
+
+#ifdef _KERNEL
+
+#include <sys/param.h>
+#include <sys/conf.h>
+#include <sys/kernel.h>
+
+#if (__FreeBSD_version > 300000)
+#define	ALTQ_KLD
+#endif
+
+#ifdef ALTQ_KLD
+#include <sys/module.h>
+#endif
+
+#ifndef dev_decl
+#ifdef __STDC__
+#define	dev_decl(n,t)	d_ ## t ## _t n ## t
+#else
+#define	dev_decl(n,t)	d_/**/t/**/_t n/**/t
+#endif
+#endif
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+typedef int d_open_t __P((dev_t, int, int, struct proc *));
+typedef int d_close_t __P((dev_t, int, int, struct proc *));
+typedef int d_ioctl_t __P((dev_t, u_long, caddr_t, int, struct proc *));
+
+#define	noopen	(dev_type_open((*))) enodev
+#define	noclose	(dev_type_close((*))) enodev
+#define	noioctl	(dev_type_ioctl((*))) enodev
+#endif /* __NetBSD__ || __OpenBSD__ */
+
+#if defined(__OpenBSD__)
+int altqopen __P((dev_t, int, int, struct proc *));
+int altqclose __P((dev_t, int, int, struct proc *));
+int altqioctl __P((dev_t, u_long, caddr_t, int, struct proc *));
+#endif
+
+/*
+ * altq queueing discipline switch structure
+ */
+struct altqsw {
+        char		*d_name;
+	d_open_t	*d_open;
+	d_close_t	*d_close;
+	d_ioctl_t	*d_ioctl;
+};
+
+#define	altqdev_decl(n) \
+	dev_decl(n,open); dev_decl(n,close); dev_decl(n,ioctl)
+
+#ifdef ALTQ_KLD
+
+struct altq_module_data {
+	int	type;		/* discipline type */
+	int	ref;		/* reference count */
+	struct	altqsw *altqsw; /* discipline functions */
+};
+
+#define	ALTQ_MODULE(name, type, devsw)					\
+static struct altq_module_data name##_moddata = { type, 0, devsw };	\
+									\
+moduledata_t name##_mod = {						\
+    #name,								\
+    altq_module_handler,						\
+    &name##_moddata							\
+};									\
+DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE+96)
+
+void altq_module_incref __P((int));
+void altq_module_declref __P((int));
+int altq_module_handler __P((module_t, int, void *));
+
+#endif /* ALTQ_KLD */
+
+#endif /* _KERNEL */
+#endif /* _ALTQ_ALTQ_CONF_H_ */