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Diffstat (limited to 'sys/net/altq/altq_cbq.h')
| -rw-r--r-- | sys/net/altq/altq_cbq.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/sys/net/altq/altq_cbq.h b/sys/net/altq/altq_cbq.h new file mode 100644 index 000000000000..792c9fd15b9b --- /dev/null +++ b/sys/net/altq/altq_cbq.h @@ -0,0 +1,222 @@ +/*- + * 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. + * + * $KAME: altq_cbq.h,v 1.12 2003/10/03 05:05:15 kjc Exp $ + * $FreeBSD$ + */ + +#ifndef _ALTQ_ALTQ_CBQ_H_ +#define _ALTQ_ALTQ_CBQ_H_ + +#include <net/altq/altq.h> +#include <net/altq/altq_rmclass.h> +#include <net/altq/altq_red.h> +#include <net/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_ */ |