master
1/* $NetBSD: altq_blue.h,v 1.5 2006/10/12 19:59:08 peter Exp $ */
2/* $KAME: altq_blue.h,v 1.7 2002/11/29 04:36:22 kjc Exp $ */
3
4/*
5 * Copyright (C) 1997-2002
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
30#ifndef _ALTQ_ALTQ_BLUE_H_
31#define _ALTQ_ALTQ_BLUE_H_
32
33#include <altq/altq_classq.h>
34
35struct blue_interface {
36 char blue_ifname[IFNAMSIZ];
37};
38
39struct blue_stats {
40 struct blue_interface iface;
41 int q_len;
42 int q_limit;
43 int q_pmark;
44 u_quad_t xmit_packets;
45 u_quad_t xmit_bytes;
46 u_quad_t drop_packets;
47 u_quad_t drop_bytes;
48 u_quad_t drop_forced;
49 u_quad_t drop_unforced;
50 u_quad_t marked_packets;
51};
52
53struct blue_conf {
54 struct blue_interface iface;
55 int blue_limit;
56 int blue_max_pmark;
57 int blue_hold_time;
58 int blue_pkttime; /* average packet time in usec */
59 int blue_flags; /* see below */
60};
61
62/* blue flags */
63#define BLUEF_ECN4 0x01 /* use packet marking for IPv4 packets */
64#define BLUEF_ECN6 0x02 /* use packet marking for IPv6 packets */
65#define BLUEF_ECN (BLUEF_ECN4 | BLUEF_ECN6)
66
67/*
68 * IOCTLs for BLUE
69 */
70#define BLUE_IF_ATTACH _IOW('Q', 1, struct blue_interface)
71#define BLUE_IF_DETACH _IOW('Q', 2, struct blue_interface)
72#define BLUE_ENABLE _IOW('Q', 3, struct blue_interface)
73#define BLUE_DISABLE _IOW('Q', 4, struct blue_interface)
74#define BLUE_CONFIG _IOWR('Q', 6, struct blue_conf)
75#define BLUE_GETSTATS _IOWR('Q', 12, struct blue_stats)
76
77#ifdef _KERNEL
78
79typedef struct blue {
80 int blue_pkttime; /* average packet time in micro sec
81 used for idle calibration */
82 int blue_flags; /* blue flags */
83
84 /* blue parameters */
85 int blue_pmark; /* 0-1000 (mark probability*10000) */
86 int blue_max_pmark; /* sets precision of marking probability */
87 int blue_hold_time; /* hold time in usec */
88
89 int blue_idle; /* queue was empty */
90 struct timeval blue_last; /* timestamp when the queue becomes idle */
91
92 struct {
93 u_quad_t xmit_packets;
94 u_quad_t xmit_bytes;
95 u_quad_t drop_packets;
96 u_quad_t drop_bytes;
97 u_quad_t drop_forced;
98 u_quad_t drop_unforced;
99 u_quad_t marked_packets;
100 } blue_stats;
101} blue_t;
102
103typedef struct blue_queue {
104 struct blue_queue *rq_next; /* next blue_state in the list */
105 struct ifaltq *rq_ifq; /* backpointer to ifaltq */
106
107 class_queue_t *rq_q;
108
109 blue_t *rq_blue;
110} blue_queue_t;
111
112extern int blue_init(blue_t *, int, int, int, int);
113extern int blue_addq(blue_t *, class_queue_t *, struct mbuf *,
114 struct altq_pktattr *);
115extern struct mbuf *blue_getq(blue_t *, class_queue_t *);
116
117#endif /* _KERNEL */
118
119#endif /* _ALTQ_ALTQ_BLUE_H_ */