/* $NetBSD: altq_blue.h,v 1.5 2006/10/12 19:59:08 peter Exp $ */
/* $KAME: altq_blue.h,v 1.7 2002/11/29 04:36:22 kjc Exp $ */
/*
* Copyright (C) 1997-2002
* 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(blue_t *, int, int, int, int);
extern int blue_addq(blue_t *, class_queue_t *, struct mbuf *,
struct altq_pktattr *);
extern struct mbuf *blue_getq(blue_t *, class_queue_t *);
#endif /* _KERNEL */
#endif /* _ALTQ_ALTQ_BLUE_H_ */
