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+/* $KAME: altq_cbq.h,v 1.12 2003/10/03 05:05:15 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 <altq/altq.h>
+#include <altq/altq_rmclass.h>
+#include <altq/altq_red.h>
+#include <altq/altq_rio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NULL_CLASS_HANDLE 0
+
+/* class flags should 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 */
+#define CBQCLF_BORROW 0x0020 /* borrow from parent */
+
+/* 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 */
+#ifdef ALTQ3_COMPAT
+#define CBQCLF_CTLCLASS 0x4000 /* control class */
+#endif
+#define CBQCLF_CLASSMASK 0xf000 /* class mask */
+
+#define CBQ_MAXQSIZE 200
+#define CBQ_MAXPRI RM_MAXPRIO
+
+typedef struct _cbq_class_stats_ {
+ u_int32_t 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;
+
+#ifdef ALTQ3_COMPAT
+/*
+ * 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_int32_t parent_class_handle;
+ u_int32_t borrow_class_handle;
+
+ u_int pktsize;
+ int flags;
+} cbq_class_spec_t;
+
+struct cbq_add_class {
+ struct cbq_interface cbq_iface;
+
+ cbq_class_spec_t cbq_class;
+ u_int32_t cbq_class_handle;
+};
+
+struct cbq_delete_class {
+ struct cbq_interface cbq_iface;
+ u_int32_t cbq_class_handle;
+};
+
+struct cbq_modify_class {
+ struct cbq_interface cbq_iface;
+
+ cbq_class_spec_t cbq_class;
+ u_int32_t cbq_class_handle;
+};
+
+struct cbq_add_filter {
+ struct cbq_interface cbq_iface;
+ u_int32_t 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;
+};
+
+/* 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)
+#endif /* ALTQ3_COMPAT */
+
+#ifdef _KERNEL
+/*
+ * Define macros only good for kernel drivers and modules.
+ */
+#define CBQ_WATCHDOG (hz / 20)
+#define CBQ_TIMEOUT 10
+#define CBQ_LS_TIMEOUT (20 * hz / 1000)
+
+#define CBQ_MAX_CLASSES 256
+
+#ifdef ALTQ3_COMPAT
+#define CBQ_MAX_FILTERS 256
+
+#define DISABLE 0x00
+#define ENABLE 0x01
+#endif /* ALTQ3_COMPAT */
+
+/*
+ * Define State structures.
+ */
+typedef struct cbqstate {
+#ifdef ALTQ3_COMPAT
+ struct cbqstate *cbq_next;
+#endif
+ int cbq_qlen; /* # of packets in cbq */
+ struct rm_class *cbq_class_tbl[CBQ_MAX_CLASSES];
+
+ struct rm_ifdat ifnp;
+ struct callout cbq_callout; /* for timeouts */
+#ifdef ALTQ3_CLFIER_COMPAT
+ struct acc_classifier cbq_classifier;
+#endif
+} cbq_state_t;
+
+#endif /* _KERNEL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !_ALTQ_ALTQ_CBQ_H_ */