import ALTQ, alternate queueing support, from KAME.

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

1 files changed, 119 insertions, 0 deletions

diff --git a/sys/altq/altq_blue.h b/sys/altq/altq_blue.h
new file mode 100644
index 00000000000..1a6ebeb4c82
--- /dev/null
+++ b/sys/altq/altq_blue.h
@@ -0,0 +1,119 @@
+/*	$OpenBSD: altq_blue.h,v 1.1 2001/06/27 05:28:34 kjc Exp $	*/
+/*	$KAME: altq_blue.h,v 1.5 2000/12/14 08:12:45 thorpej Exp $	*/
+
+/*
+ * Copyright (C) 1997-2000
+ *	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_BLUE_H_
+#define	_ALTQ_ALTQ_BLUE_H_
+
+#include <altq/altq_classq.h>
+
+struct blue_interface {
+	char	blue_ifname[IFNAMSIZ];
+};
+
+struct blue_stats {
+	struct blue_interface iface;
+	int q_len;
+	int q_limit;
+	int q_pmark;
+	u_quad_t xmit_packets;
+	u_quad_t xmit_bytes;
+	u_quad_t drop_packets;
+	u_quad_t drop_bytes;
+	u_quad_t drop_forced;
+	u_quad_t drop_unforced;
+	u_quad_t marked_packets;
+};
+
+struct blue_conf {
+	struct blue_interface iface;
+	int blue_limit;
+	int blue_max_pmark;
+	int blue_hold_time;
+	int blue_pkttime;	/* average packet time in usec */
+	int blue_flags;		/* see below */
+};
+
+/* blue flags */
+#define	BLUEF_ECN4	0x01	/* use packet marking for IPv4 packets */
+#define	BLUEF_ECN6	0x02	/* use packet marking for IPv6 packets */
+#define	BLUEF_ECN	(BLUEF_ECN4 | BLUEF_ECN6)
+
+/* 
+ * IOCTLs for BLUE
+ */
+#define	BLUE_IF_ATTACH		_IOW('Q', 1, struct blue_interface)
+#define	BLUE_IF_DETACH		_IOW('Q', 2, struct blue_interface)
+#define	BLUE_ENABLE		_IOW('Q', 3, struct blue_interface)
+#define	BLUE_DISABLE		_IOW('Q', 4, struct blue_interface)
+#define	BLUE_CONFIG		_IOWR('Q', 6, struct blue_conf)
+#define	BLUE_GETSTATS		_IOWR('Q', 12, struct blue_stats)
+
+#ifdef _KERNEL
+
+typedef struct blue {
+	int blue_pkttime; 	/* average packet time in micro sec
+				   used for idle calibration */
+	int blue_flags;		/* blue flags */
+
+	/* blue parameters */
+	int blue_pmark;		/* 0-1000 (mark probability*10000) */
+	int blue_max_pmark;	/* sets precision of marking probability */
+	int blue_hold_time;	/* hold time in usec */
+
+	int blue_idle;		/* queue was empty */
+	struct timeval blue_last;  /* timestamp when the queue becomes idle */
+
+	struct {
+		u_quad_t xmit_packets;
+		u_quad_t xmit_bytes;
+		u_quad_t drop_packets;
+		u_quad_t drop_bytes;
+		u_quad_t drop_forced;
+		u_quad_t drop_unforced;
+		u_quad_t marked_packets;
+	} blue_stats;
+} blue_t;
+
+typedef struct blue_queue {
+	struct blue_queue *rq_next;	/* next blue_state in the list */
+	struct ifaltq *rq_ifq;		/* backpointer to ifaltq */
+
+	class_queue_t *rq_q;
+
+	blue_t *rq_blue;
+} blue_queue_t;
+
+extern int blue_init __P((blue_t *, int, int, int, int));
+extern int blue_addq __P((blue_t *, class_queue_t *, struct mbuf *,
+			 struct altq_pktattr *));
+extern struct mbuf *blue_getq __P((blue_t *, class_queue_t *));
+
+#endif /* _KERNEL */
+
+#endif /* _ALTQ_ALTQ_BLUE_H_ */