1 /* $KAME: altq_priq.h,v 1.7 2003/10/03 05:05:15 kjc Exp $ */
3 * Copyright (C) 2000-2003
4 * Sony Computer Science Laboratories Inc. All rights reserved.
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11 * 2. Redistributions in binary form must reproduce the above copyright
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13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
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17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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28 #ifndef _ALTQ_ALTQ_PRIQ_H_
29 #define _ALTQ_ALTQ_PRIQ_H_
31 #include <altq/altq.h>
32 #include <altq/altq_classq.h>
33 #include <altq/altq_red.h>
34 #include <altq/altq_rio.h>
40 #define PRIQ_MAXPRI 16 /* upper limit of the number of priorities */
43 struct priq_interface {
44 char ifname[IFNAMSIZ]; /* interface name (e.g., fxp0) */
45 u_long arg; /* request-specific argument */
48 struct priq_add_class {
49 struct priq_interface iface;
50 int pri; /* priority (0 is the lowest) */
51 int qlimit; /* queue size limit */
52 int flags; /* misc flags (see below) */
54 u_int32_t class_handle; /* return value */
56 #endif /* ALTQ3_COMPAT */
58 /* priq class flags */
59 #define PRCF_RED 0x0001 /* use RED */
60 #define PRCF_ECN 0x0002 /* use RED/ECN */
61 #define PRCF_RIO 0x0004 /* use RIO */
62 #define PRCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */
63 #define PRCF_DEFAULTCLASS 0x1000 /* default class */
65 /* special class handles */
66 #define PRIQ_NULLCLASS_HANDLE 0
69 struct priq_delete_class {
70 struct priq_interface iface;
71 u_int32_t class_handle;
74 struct priq_modify_class {
75 struct priq_interface iface;
76 u_int32_t class_handle;
82 struct priq_add_filter {
83 struct priq_interface iface;
84 u_int32_t class_handle;
85 struct flow_filter filter;
87 u_long filter_handle; /* return value */
90 struct priq_delete_filter {
91 struct priq_interface iface;
94 #endif /* ALTQ3_COMPAT */
96 struct priq_classstats {
97 u_int32_t class_handle;
102 struct pktcntr xmitcnt; /* transmitted packet counter */
103 struct pktcntr dropcnt; /* dropped packet counter */
105 /* red and rio related info */
107 struct redstats red[3]; /* rio has 3 red stats */
111 struct priq_class_stats {
112 struct priq_interface iface;
113 int maxpri; /* in/out */
115 struct priq_classstats *stats; /* pointer to stats array */
118 #define PRIQ_IF_ATTACH _IOW('Q', 1, struct priq_interface)
119 #define PRIQ_IF_DETACH _IOW('Q', 2, struct priq_interface)
120 #define PRIQ_ENABLE _IOW('Q', 3, struct priq_interface)
121 #define PRIQ_DISABLE _IOW('Q', 4, struct priq_interface)
122 #define PRIQ_CLEAR _IOW('Q', 5, struct priq_interface)
123 #define PRIQ_ADD_CLASS _IOWR('Q', 7, struct priq_add_class)
124 #define PRIQ_DEL_CLASS _IOW('Q', 8, struct priq_delete_class)
125 #define PRIQ_MOD_CLASS _IOW('Q', 9, struct priq_modify_class)
126 #define PRIQ_ADD_FILTER _IOWR('Q', 10, struct priq_add_filter)
127 #define PRIQ_DEL_FILTER _IOW('Q', 11, struct priq_delete_filter)
128 #define PRIQ_GETSTATS _IOWR('Q', 12, struct priq_class_stats)
130 #endif /* ALTQ3_COMPAT */
135 u_int32_t cl_handle; /* class handle */
136 class_queue_t *cl_q; /* class queue structure */
137 struct red *cl_red; /* RED state */
138 int cl_pri; /* priority */
139 int cl_flags; /* class flags */
140 struct priq_if *cl_pif; /* back pointer to pif */
141 struct altq_pktattr *cl_pktattr; /* saved header used by ECN */
144 u_int cl_period; /* backlog period */
145 struct pktcntr cl_xmitcnt; /* transmitted packet counter */
146 struct pktcntr cl_dropcnt; /* dropped packet counter */
150 * priq interface state
153 struct priq_if *pif_next; /* interface state list */
154 struct ifaltq *pif_ifq; /* backpointer to ifaltq */
155 u_int pif_bandwidth; /* link bandwidth in bps */
156 int pif_maxpri; /* max priority in use */
157 struct priq_class *pif_default; /* default class */
158 struct priq_class *pif_classes[PRIQ_MAXPRI]; /* classes */
159 #ifdef ALTQ3_CLFIER_COMPAT
160 struct acc_classifier pif_classifier; /* classifier */
170 #endif /* _ALTQ_ALTQ_PRIQ_H_ */