Annotation of sys/altq/altq_cbq.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: altq_cbq.h,v 1.10 2004/01/14 08:42:23 kjc Exp $ */
2: /* $KAME: altq_cbq.h,v 1.5 2000/12/02 13:44:40 kjc Exp $ */
3:
4: /*
5: * Copyright (c) Sun Microsystems, Inc. 1993-1998 All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: *
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: *
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: *
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the SMCC Technology
21: * Development Group at Sun Microsystems, Inc.
22: *
23: * 4. The name of the Sun Microsystems, Inc nor may not be used to endorse or
24: * promote products derived from this software without specific prior
25: * written permission.
26: *
27: * SUN MICROSYSTEMS DOES NOT CLAIM MERCHANTABILITY OF THIS SOFTWARE OR THE
28: * SUITABILITY OF THIS SOFTWARE FOR ANY PARTICULAR PURPOSE. The software is
29: * provided "as is" without express or implied warranty of any kind.
30: *
31: * These notices must be retained in any copies of any part of this software.
32: */
33:
34: #ifndef _ALTQ_ALTQ_CBQ_H_
35: #define _ALTQ_ALTQ_CBQ_H_
36:
37: #include <altq/altq.h>
38: #include <altq/altq_rmclass.h>
39: #include <altq/altq_red.h>
40: #include <altq/altq_rio.h>
41:
42: #ifdef __cplusplus
43: extern "C" {
44: #endif
45:
46: #define NULL_CLASS_HANDLE 0
47:
48: /* class flags should be same as class flags in rm_class.h */
49: #define CBQCLF_RED 0x0001 /* use RED */
50: #define CBQCLF_ECN 0x0002 /* use RED/ECN */
51: #define CBQCLF_RIO 0x0004 /* use RIO */
52: #define CBQCLF_FLOWVALVE 0x0008 /* use flowvalve (aka penalty-box) */
53: #define CBQCLF_CLEARDSCP 0x0010 /* clear diffserv codepoint */
54: #define CBQCLF_BORROW 0x0020 /* borrow from parent */
55:
56: /* class flags only for root class */
57: #define CBQCLF_WRR 0x0100 /* weighted-round robin */
58: #define CBQCLF_EFFICIENT 0x0200 /* work-conserving */
59:
60: /* class flags for special classes */
61: #define CBQCLF_ROOTCLASS 0x1000 /* root class */
62: #define CBQCLF_DEFCLASS 0x2000 /* default class */
63: #define CBQCLF_CLASSMASK 0xf000 /* class mask */
64:
65: #define CBQ_MAXQSIZE 200
66: #define CBQ_MAXPRI RM_MAXPRIO
67:
68: typedef struct _cbq_class_stats_ {
69: u_int32_t handle;
70: u_int depth;
71:
72: struct pktcntr xmit_cnt; /* packets sent in this class */
73: struct pktcntr drop_cnt; /* dropped packets */
74: u_int over; /* # times went over limit */
75: u_int borrows; /* # times tried to borrow */
76: u_int overactions; /* # times invoked overlimit action */
77: u_int delays; /* # times invoked delay actions */
78:
79: /* other static class parameters useful for debugging */
80: int priority;
81: int maxidle;
82: int minidle;
83: int offtime;
84: int qmax;
85: int ns_per_byte;
86: int wrr_allot;
87:
88: int qcnt; /* # packets in queue */
89: int avgidle;
90:
91: /* red and rio related info */
92: int qtype;
93: struct redstats red[3];
94: } class_stats_t;
95:
96: #ifdef _KERNEL
97: /*
98: * Define macros only good for kernel drivers and modules.
99: */
100: #define CBQ_WATCHDOG (hz / 20)
101: #define CBQ_TIMEOUT 10
102: #define CBQ_LS_TIMEOUT (20 * hz / 1000)
103:
104: #define CBQ_MAX_CLASSES 256
105:
106: /*
107: * Define State structures.
108: */
109: typedef struct cbqstate {
110: int cbq_qlen; /* # of packets in cbq */
111: struct rm_class *cbq_class_tbl[CBQ_MAX_CLASSES];
112:
113: struct rm_ifdat ifnp;
114: struct callout cbq_callout; /* for timeouts */
115: } cbq_state_t;
116:
117: #endif /* _KERNEL */
118:
119: #ifdef __cplusplus
120: }
121: #endif
122:
123: #endif /* !_ALTQ_ALTQ_CBQ_H_ */
CVSweb