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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _IPP_METERS_METER_IMPL_H
#define _IPP_METERS_METER_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/cmn_err.h>
#include <sys/debug.h>
#include <sys/spl.h>
#include <ipp/ipp.h>
#include <inet/ipp_common.h>
#include <ipp/meters/meter.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Header file for implementation of all the metering modules */
#ifdef _KERNEL
/* for a colour aware meter */
enum meter_colour {
TOKENMT_GREEN = 0x01,
TOKENMT_YELLOW = 0x02,
TOKENMT_RED = 0x04
};
/* If yellow action is not provided, set it to infinity */
#define TOKENMT_NO_ACTION 0x7fffffff
#define METER_SEC_TO_NSEC 1000000000
#define METER_MSEC_TO_NSEC 1000000
#define _TOKENMT_DEBUG
#define _TSWTCL_DEBUG
#ifdef _TOKENMT_DEBUG
#define tokenmt0dbg(a) printf a
#define tokenmt1dbg(a) if (tokenmt_debug > 2) printf a
#define tokenmt2dbg(a) if (tokenmt_debug > 3) printf a
#else
#define tokenmt0dbg(a) /* */
#define tokenmt1dbg(a) /* */
#define tokenmt2dbg(a) /* */
#endif /* _TOKENMT_DEBUG */
#ifdef _TSWTCL_DEBUG
#define tswtcl0dbg(a) printf a
#define tswtcl1dbg(a) if (tswtcl_debug > 2) printf a
#define tswtcl2dbg(a) if (tswtcl_debug > 3) printf a
#else
#define tswtcl0dbg(a) /* */
#define tswtcl1dbg(a) /* */
#define tswtcl2dbg(a) /* */
#endif /* _TSWTCL_DEBUG */
#define SRTCL_TOKENMT 0x01
#define TRTCL_TOKENMT 0x02
#define DROP_PRECD_MASK 0x07
/* Stat structure for the tokenmts */
typedef struct meter_stat_t {
ipp_named_t red_bits;
ipp_named_t yellow_bits;
ipp_named_t green_bits;
ipp_named_t red_packets;
ipp_named_t yellow_packets;
ipp_named_t green_packets;
ipp_named_t epackets;
} meter_stat_t;
#define TOKENMT_STATS_STRING "tokenmt statistics"
#define TSWTCL_STATS_STRING "tswtclmtr statistics"
#define METER_STATS_COUNT 7
/* Configuration paratokenmts for tokenmt */
typedef struct tokenmt_cfg_s {
/* Next action for Green, Yellow and Red packets */
ipp_action_id_t red_action;
ipp_action_id_t yellow_action;
ipp_action_id_t green_action;
/* Meter type - SRTCL_TOKENMT or TRTCL_TOKENMT */
uint_t tokenmt_type;
/* Committed rate in Kb/sec */
uint32_t committed_rate;
uint32_t peak_rate;
/* Committed and Peak burst sizes in bits */
uint32_t committed_burst;
uint32_t peak_burst;
/* Needs stats or not */
boolean_t stats;
/* Meter Colour aware or not */
boolean_t colour_aware;
/* Meter dscp to colour mapping, if colour aware */
enum meter_colour dscp_to_colour[64];
/* timer */
timeout_id_t timer;
}tokenmt_cfg_t;
typedef struct tokenmt_data_s {
/* stats for this instance */
ipp_stat_t *stats;
/* # packets classified as Red, Yellow and Green for this instance */
uint64_t red_packets;
uint64_t yellow_packets;
uint64_t green_packets;
uint64_t red_bits;
uint64_t yellow_bits;
uint64_t green_bits;
uint64_t epackets;
/* configured paratokenmts */
tokenmt_cfg_t *cfg_parms;
/* No. of tokens at the committed and peak burst */
uint64_t committed_tokens;
uint64_t peak_tokens;
/* For replenishing the token buckets */
uint64_t last_seen;
/* Lock to protect data structures */
kmutex_t tokenmt_lock;
} tokenmt_data_t;
typedef struct tswtcl_cfg_s {
/* Next action for Green, Yellow and Red packets */
ipp_action_id_t red_action;
ipp_action_id_t yellow_action;
ipp_action_id_t green_action;
/* Committed and Peak rates in KB/sec */
uint32_t committed_rate;
uint32_t peak_rate;
/* Window size in ms */
uint32_t window;
/* Need stats or not */
boolean_t stats;
/* For aiding computations */
uint64_t nsecwindow;
uint32_t pminusc;
}tswtcl_cfg_t;
typedef struct tswtcl_data_s {
/* stats for this instance */
ipp_stat_t *stats;
/* Computed average rate */
uint32_t avg_rate;
/* Front of the sliding window */
hrtime_t win_front;
/* # packets classified as Red, Yellow and Green for this instance */
uint64_t red_packets;
uint64_t yellow_packets;
uint64_t green_packets;
uint64_t red_bits;
uint64_t yellow_bits;
uint64_t green_bits;
uint64_t epackets;
/* Configured paramters */
tswtcl_cfg_t *cfg_parms;
/* Lock to protect data structures */
kmutex_t tswtcl_lock;
} tswtcl_data_t;
#define TOKENMT_DATA_SZ sizeof (tokenmt_data_t)
#define TOKENMT_CFG_SZ sizeof (tokenmt_cfg_t)
#define TSWTCL_DATA_SZ sizeof (tswtcl_data_t)
#define TSWTCL_CFG_SZ sizeof (tswtcl_cfg_t)
extern int tokenmt_process(mblk_t **, tokenmt_data_t *, ipp_action_id_t *);
extern int tswtcl_process(mblk_t **, tswtcl_data_t *, ipp_action_id_t *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _IPP_METERS_METER_IMPL_H */
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