1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/* $OpenBSD: altq_cbq.h,v 1.1 2001/06/27 05:28:34 kjc Exp $ */
/* $KAME: altq_cbq.h,v 1.5 2000/12/02 13:44:40 kjc Exp $ */
/*
* Copyright (c) Sun Microsystems, Inc. 1993-1998 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.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the SMCC Technology
* Development Group at Sun Microsystems, Inc.
*
* 4. The name of the Sun Microsystems, Inc nor may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* SUN MICROSYSTEMS DOES NOT CLAIM MERCHANTABILITY OF THIS SOFTWARE OR THE
* SUITABILITY OF THIS SOFTWARE FOR ANY PARTICULAR PURPOSE. The software is
* provided "as is" without express or implied warranty of any kind.
*
* These notices must be retained in any copies of any part of this software.
*/
#ifndef _ALTQ_ALTQ_CBQ_H_
#define _ALTQ_ALTQ_CBQ_H_
#include <sys/ioccom.h>
#include <altq/altq.h>
#include <altq/altq_rmclass.h>
#include <altq/altq_red.h>
#include <altq/altq_rio.h>
/* #pragma ident "@(#)cbq.h 1.18 98/05/13 SMI" */
#ifdef __cplusplus
extern "C" {
#endif
/*
* Define a well known class handles
*/
#define NULL_CLASS_HANDLE 0xffffffff
#define ROOT_CLASS_HANDLE 0xfffffffe
#define DEFAULT_CLASS_HANDLE 0xfffffffd
#define CTL_CLASS_HANDLE 0xfffffffc
/*
* Define structures associated with IOCTLS for cbq.
*/
/*
* Define the CBQ interface structure. This must be included in all
* IOCTL's such that the CBQ driver may find the appropriate CBQ module
* associated with the network interface to be affected.
*/
struct cbq_interface {
char cbq_ifacename[IFNAMSIZ];
};
typedef struct cbq_class_spec {
u_int priority;
u_int nano_sec_per_byte;
u_int maxq;
u_int maxidle;
int minidle;
u_int offtime;
u_long parent_class_handle;
u_long borrow_class_handle;
u_int pktsize;
int flags;
} cbq_class_spec_t;
/* class flags shoud be same as class flags in rm_class.h */
#define CBQCLF_RED 0x0001 /* use RED */
#define CBQCLF_ECN 0x0002 /* use RED/ECN */
#define CBQCLF_RIO 0x0004 /* use RIO */
#define CBQCLF_FLOWVALVE 0x0008 /* use flowvalve (aka penalty-box) */
#define CBQCLF_CLEARDSCP 0x0010 /* clear diffserv codepoint */
/* class flags only for root class */
#define CBQCLF_WRR 0x0100 /* weighted-round robin */
#define CBQCLF_EFFICIENT 0x0200 /* work-conserving */
/* class flags for special classes */
#define CBQCLF_ROOTCLASS 0x1000 /* root class */
#define CBQCLF_DEFCLASS 0x2000 /* default class */
#define CBQCLF_CTLCLASS 0x4000 /* control class */
#define CBQCLF_CLASSMASK 0xf000 /* class mask */
#define CBQ_MAXQSIZE 200
struct cbq_add_class {
struct cbq_interface cbq_iface;
cbq_class_spec_t cbq_class;
u_long cbq_class_handle;
};
struct cbq_delete_class {
struct cbq_interface cbq_iface;
u_long cbq_class_handle;
};
struct cbq_modify_class {
struct cbq_interface cbq_iface;
cbq_class_spec_t cbq_class;
u_long cbq_class_handle;
};
struct cbq_add_filter {
struct cbq_interface cbq_iface;
u_long cbq_class_handle;
struct flow_filter cbq_filter;
u_long cbq_filter_handle;
};
struct cbq_delete_filter {
struct cbq_interface cbq_iface;
u_long cbq_filter_handle;
};
typedef struct _cbq_class_stats_ {
u_int handle;
u_int depth;
struct pktcntr xmit_cnt; /* packets sent in this class */
struct pktcntr drop_cnt; /* dropped packets */
u_int over; /* # times went over limit */
u_int borrows; /* # times tried to borrow */
u_int overactions; /* # times invoked overlimit action */
u_int delays; /* # times invoked delay actions */
/* other static class parameters useful for debugging */
int priority;
int maxidle;
int minidle;
int offtime;
int qmax;
int ns_per_byte;
int wrr_allot;
int qcnt; /* # packets in queue */
int avgidle;
/* red and rio related info */
int qtype;
struct redstats red[3];
} class_stats_t;
/* number of classes are returned in nclasses field */
struct cbq_getstats {
struct cbq_interface iface;
int nclasses;
class_stats_t *stats;
};
/*
* Define IOCTLs for CBQ.
*/
#define CBQ_IF_ATTACH _IOW('Q', 1, struct cbq_interface)
#define CBQ_IF_DETACH _IOW('Q', 2, struct cbq_interface)
#define CBQ_ENABLE _IOW('Q', 3, struct cbq_interface)
#define CBQ_DISABLE _IOW('Q', 4, struct cbq_interface)
#define CBQ_CLEAR_HIERARCHY _IOW('Q', 5, struct cbq_interface)
#define CBQ_ADD_CLASS _IOWR('Q', 7, struct cbq_add_class)
#define CBQ_DEL_CLASS _IOW('Q', 8, struct cbq_delete_class)
#define CBQ_MODIFY_CLASS _IOWR('Q', 9, struct cbq_modify_class)
#define CBQ_ADD_FILTER _IOWR('Q', 10, struct cbq_add_filter)
#define CBQ_DEL_FILTER _IOW('Q', 11, struct cbq_delete_filter)
#define CBQ_GETSTATS _IOWR('Q', 12, struct cbq_getstats)
#ifdef _KERNEL
/*
* Define macros only good for kernel drivers and modules.
*/
#define DISABLE 0x00
#define ENABLE 0x01
#define CBQ_WATCHDOG (HZ / 20)
#define CBQ_TIMEOUT 10
#define CBQ_LS_TIMEOUT (20 * hz / 1000)
#define CBQ_MAX_CLASSES 256
#define CBQ_MAX_FILTERS 256
/*
* Define State structures.
*/
typedef struct cbqstate {
struct cbqstate *cbq_next;
int cbq_qlen; /* # of packets in cbq */
struct rm_class **cbq_class_tbl;
struct rm_ifdat ifnp;
struct callout cbq_callout; /* for timeouts */
struct acc_classifier cbq_classifier;
} cbq_state_t;
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* !_ALTQ_ALTQ_CBQ_H_ */
|
