/*
 * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
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 */
/*
 * IOEthernetStats.h - Ethernet MIB statistics definitions.
 *
 * HISTORY
 */

#ifndef _IOETHERNETSTATS_H
#define _IOETHERNETSTATS_H

/*! @header IOEthernetStats.h
    @discussion Ethernet statistics. */

//---------------------------------------------------------------------------
// Ethernet-like statistics group.

/*! @typedef IODot3StatsEntry
    @discussion Ethernet MIB statistics structure.
    @field alignmentErrors            dot3StatsAlignmentErrors.
    @field fcsErrors                  dot3StatsFCSErrors.
    @field singleCollisionFrames      dot3StatsSingleCollisionFrames.
    @field multipleCollisionFrames    dot3StatsMultipleCollisionFrames.
    @field sqeTestErrors              dot3StatsSQETestErrors.
    @field deferredTransmissions      dot3StatsDeferredTransmissions.
    @field lateCollisions             dot3StatsLateCollisions.
    @field excessiveCollisions        dot3StatsExcessiveCollisions.
    @field internalMacTransmitErrors  dot3StatsInternalMacTransmitErrors.
    @field carrierSenseErrors         dot3StatsCarrierSenseErrors.
    @field frameTooLongs              dot3StatsFrameTooLongs.
    @field internalMacReceiveErrors   dot3StatsInternalMacReceiveErrors.
    @field etherChipSet               dot3StatsEtherChipSet.
    @field missedFrames               dot3StatsMissedFrames (not in RFC1650).
    */

typedef struct {
    UInt32 alignmentErrors;
    UInt32 fcsErrors;
    UInt32 singleCollisionFrames;
    UInt32 multipleCollisionFrames;
    UInt32 sqeTestErrors;
    UInt32 deferredTransmissions;
    UInt32 lateCollisions;
    UInt32 excessiveCollisions;
    UInt32 internalMacTransmitErrors;
    UInt32 carrierSenseErrors;
    UInt32 frameTooLongs;
    UInt32 internalMacReceiveErrors;
    UInt32 etherChipSet;
    UInt32 missedFrames;
} IODot3StatsEntry;

//---------------------------------------------------------------------------
// Ethernet-like collision statistics group (optional).

/*! @typedef IODot3CollEntry
    @discussion Collision statistics structure.
    @field collFrequencies            dot3StatsCollFrequencies. */

typedef struct {
    UInt32 collFrequencies[16];
} IODot3CollEntry;

//---------------------------------------------------------------------------
// Receiver extra statistics group (not defined by RFC 1650).

/*! @typedef IODot3RxExtraEntry
    @discussion Extra receiver statistics not defined by RFC1650.
    @field overruns            receiver overruns.
    @field watchdogTimeouts    watchdog timer expirations.
    @field frameTooShorts      runt frames.
    @field collisionErrors     frames damages by late collision.
    @field phyErrors           PHY receive errors.
    @field timeouts            receiver timeouts.
    @field interrupts          receiver interrupts.
    @field resets              receiver resets.
    @field resourceErrors      receiver resource shortages.
    */

typedef struct {
    UInt32 overruns;
    UInt32 watchdogTimeouts;
    UInt32 frameTooShorts;
    UInt32 collisionErrors;
    UInt32 phyErrors;
    UInt32 timeouts;
    UInt32 interrupts;
    UInt32 resets;
    UInt32 resourceErrors;
    UInt32 reserved[4];
} IODot3RxExtraEntry;

//---------------------------------------------------------------------------
// Transmitter extra statistics group (not defined by RFC 1650).

/*! @typedef IODot3TxExtraEntry
    @discussion Extra transmitter statistics not defined by RFC1650.
    @field underruns           transmit underruns.
    @field jabbers             jabber events.
    @field phyErrors           PHY transmit errors.
    @field timeouts            transmitter timeouts.
    @field interrupts          transmitter interrupts.
    @field resets              transmitter resets.
    @field resourceErrors      transmitter resource shortages.
    */

typedef struct {
    UInt32 underruns;
    UInt32 jabbers;
    UInt32 phyErrors;
    UInt32 timeouts;
    UInt32 interrupts;
    UInt32 resets;
    UInt32 resourceErrors;
    UInt32 reserved[4];
} IODot3TxExtraEntry;

//---------------------------------------------------------------------------
// Aggregate Ethernet statistics.

/*! @typedef IOEthernetStats
    @discussion Aggregate Ethernet statistics structure.
    @field dot3StatsEntry      IODot3StatsEntry statistics group.
    @field dot3CollEntry       IODot3CollEntry statistics group.
    @field dot3RxExtraEntry    IODot3RxExtraEntry statistics group.
    @field dot3TxExtraEntry    IODot3TxExtraEntry statistics group.
    */

typedef struct {
    IODot3StatsEntry    dot3StatsEntry;
    IODot3CollEntry     dot3CollEntry;
    IODot3RxExtraEntry  dot3RxExtraEntry;
    IODot3TxExtraEntry  dot3TxExtraEntry;   
} IOEthernetStats;

/*! @defined kIOEthernetStatsKey
    @discussion Defines the name of an IONetworkData that contains
    an IOEthernetStats. */

#define kIOEthernetStatsKey             "IOEthernetStatsKey"

#endif /* !_IOETHERNETSTATS_H */