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      1  1.5    peter /*	$NetBSD: altq_blue.h,v 1.5 2006/10/12 19:59:08 peter Exp $	*/
      2  1.5    peter /*	$KAME: altq_blue.h,v 1.7 2002/11/29 04:36:22 kjc Exp $	*/
      3  1.1  thorpej 
      4  1.1  thorpej /*
      5  1.5    peter  * Copyright (C) 1997-2002
      6  1.1  thorpej  *	Sony Computer Science Laboratories Inc.  All rights reserved.
      7  1.1  thorpej  *
      8  1.1  thorpej  * Redistribution and use in source and binary forms, with or without
      9  1.1  thorpej  * modification, are permitted provided that the following conditions
     10  1.1  thorpej  * are met:
     11  1.1  thorpej  * 1. Redistributions of source code must retain the above copyright
     12  1.1  thorpej  *    notice, this list of conditions and the following disclaimer.
     13  1.1  thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.1  thorpej  *    notice, this list of conditions and the following disclaimer in the
     15  1.1  thorpej  *    documentation and/or other materials provided with the distribution.
     16  1.1  thorpej  *
     17  1.1  thorpej  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
     18  1.1  thorpej  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     19  1.1  thorpej  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     20  1.1  thorpej  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
     21  1.1  thorpej  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  1.1  thorpej  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  1.1  thorpej  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  1.1  thorpej  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  1.1  thorpej  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  1.1  thorpej  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  1.1  thorpej  * SUCH DAMAGE.
     28  1.1  thorpej  */
     29  1.1  thorpej 
     30  1.1  thorpej #ifndef _ALTQ_ALTQ_BLUE_H_
     31  1.1  thorpej #define	_ALTQ_ALTQ_BLUE_H_
     32  1.1  thorpej 
     33  1.1  thorpej #include <altq/altq_classq.h>
     34  1.1  thorpej 
     35  1.1  thorpej struct blue_interface {
     36  1.1  thorpej 	char	blue_ifname[IFNAMSIZ];
     37  1.1  thorpej };
     38  1.1  thorpej 
     39  1.1  thorpej struct blue_stats {
     40  1.1  thorpej 	struct blue_interface iface;
     41  1.1  thorpej 	int q_len;
     42  1.1  thorpej 	int q_limit;
     43  1.1  thorpej 	int q_pmark;
     44  1.1  thorpej 	u_quad_t xmit_packets;
     45  1.1  thorpej 	u_quad_t xmit_bytes;
     46  1.1  thorpej 	u_quad_t drop_packets;
     47  1.1  thorpej 	u_quad_t drop_bytes;
     48  1.1  thorpej 	u_quad_t drop_forced;
     49  1.1  thorpej 	u_quad_t drop_unforced;
     50  1.1  thorpej 	u_quad_t marked_packets;
     51  1.1  thorpej };
     52  1.1  thorpej 
     53  1.1  thorpej struct blue_conf {
     54  1.1  thorpej 	struct blue_interface iface;
     55  1.1  thorpej 	int blue_limit;
     56  1.1  thorpej 	int blue_max_pmark;
     57  1.1  thorpej 	int blue_hold_time;
     58  1.1  thorpej 	int blue_pkttime;	/* average packet time in usec */
     59  1.1  thorpej 	int blue_flags;		/* see below */
     60  1.1  thorpej };
     61  1.1  thorpej 
     62  1.1  thorpej /* blue flags */
     63  1.1  thorpej #define	BLUEF_ECN4	0x01	/* use packet marking for IPv4 packets */
     64  1.1  thorpej #define	BLUEF_ECN6	0x02	/* use packet marking for IPv6 packets */
     65  1.1  thorpej #define	BLUEF_ECN	(BLUEF_ECN4 | BLUEF_ECN6)
     66  1.1  thorpej 
     67  1.3    perry /*
     68  1.1  thorpej  * IOCTLs for BLUE
     69  1.1  thorpej  */
     70  1.1  thorpej #define	BLUE_IF_ATTACH		_IOW('Q', 1, struct blue_interface)
     71  1.1  thorpej #define	BLUE_IF_DETACH		_IOW('Q', 2, struct blue_interface)
     72  1.1  thorpej #define	BLUE_ENABLE		_IOW('Q', 3, struct blue_interface)
     73  1.1  thorpej #define	BLUE_DISABLE		_IOW('Q', 4, struct blue_interface)
     74  1.1  thorpej #define	BLUE_CONFIG		_IOWR('Q', 6, struct blue_conf)
     75  1.1  thorpej #define	BLUE_GETSTATS		_IOWR('Q', 12, struct blue_stats)
     76  1.1  thorpej 
     77  1.1  thorpej #ifdef _KERNEL
     78  1.1  thorpej 
     79  1.1  thorpej typedef struct blue {
     80  1.1  thorpej 	int blue_pkttime; 	/* average packet time in micro sec
     81  1.1  thorpej 				   used for idle calibration */
     82  1.1  thorpej 	int blue_flags;		/* blue flags */
     83  1.1  thorpej 
     84  1.1  thorpej 	/* blue parameters */
     85  1.1  thorpej 	int blue_pmark;		/* 0-1000 (mark probability*10000) */
     86  1.1  thorpej 	int blue_max_pmark;	/* sets precision of marking probability */
     87  1.1  thorpej 	int blue_hold_time;	/* hold time in usec */
     88  1.1  thorpej 
     89  1.1  thorpej 	int blue_idle;		/* queue was empty */
     90  1.1  thorpej 	struct timeval blue_last;  /* timestamp when the queue becomes idle */
     91  1.1  thorpej 
     92  1.1  thorpej 	struct {
     93  1.1  thorpej 		u_quad_t xmit_packets;
     94  1.1  thorpej 		u_quad_t xmit_bytes;
     95  1.1  thorpej 		u_quad_t drop_packets;
     96  1.1  thorpej 		u_quad_t drop_bytes;
     97  1.1  thorpej 		u_quad_t drop_forced;
     98  1.1  thorpej 		u_quad_t drop_unforced;
     99  1.1  thorpej 		u_quad_t marked_packets;
    100  1.1  thorpej 	} blue_stats;
    101  1.1  thorpej } blue_t;
    102  1.1  thorpej 
    103  1.1  thorpej typedef struct blue_queue {
    104  1.1  thorpej 	struct blue_queue *rq_next;	/* next blue_state in the list */
    105  1.1  thorpej 	struct ifaltq *rq_ifq;		/* backpointer to ifaltq */
    106  1.1  thorpej 
    107  1.1  thorpej 	class_queue_t *rq_q;
    108  1.1  thorpej 
    109  1.1  thorpej 	blue_t *rq_blue;
    110  1.1  thorpej } blue_queue_t;
    111  1.1  thorpej 
    112  1.5    peter extern int blue_init(blue_t *, int, int, int, int);
    113  1.5    peter extern int blue_addq(blue_t *, class_queue_t *, struct mbuf *,
    114  1.5    peter 		     struct altq_pktattr *);
    115  1.5    peter extern struct mbuf *blue_getq(blue_t *, class_queue_t *);
    116  1.1  thorpej 
    117  1.1  thorpej #endif /* _KERNEL */
    118  1.1  thorpej 
    119  1.1  thorpej #endif /* _ALTQ_ALTQ_BLUE_H_ */
    120