1/* 2 * Copyright (c) 1998-2008 Apple Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * The contents of this file constitute Original Code as defined in and 7 * are subject to the Apple Public Source License Version 1.1 (the 8 * "License"). You may not use this file except in compliance with the 9 * License. Please obtain a copy of the License at 10 * http://www.apple.com/publicsource and read it before using this file. 11 * 12 * This Original Code and all software distributed under the License are 13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 17 * License for the specific language governing rights and limitations 18 * under the License. 19 * 20 * @APPLE_LICENSE_HEADER_END@ 21 */ 22 23#ifndef _IONETWORKSTATS_H 24#define _IONETWORKSTATS_H 25 26/*! @header IONetworkStats.h 27 @discussion Generic network statistics. */ 28 29//------------------------------------------------------------------------ 30// Generic network statistics. Common to all network interfaces. 31// 32// WARNING: This structure must match the statistics field in 33// ifnet->if_data. This structure will overlay a portion of ifnet. 34 35/*! @typedef IONetworkStats 36 @discussion Generic network statistics structure. 37 @field inputPackets count input packets. 38 @field inputErrors count input errors. 39 @field outputPackets count output packets. 40 @field outputErrors count output errors. 41 @field collisions count collisions on CDMA networks. */ 42 43typedef struct { 44 UInt32 inputPackets; 45 UInt32 inputErrors; 46 UInt32 outputPackets; 47 UInt32 outputErrors; 48 UInt32 collisions; 49} IONetworkStats; 50 51/*! @defined kIONetworkStatsKey 52 @discussion Defines the name of an IONetworkData that contains 53 an IONetworkStats. */ 54 55#define kIONetworkStatsKey "IONetworkStatsKey" 56 57//------------------------------------------------------------------------ 58// Output queue statistics. 59 60/*! @typedef IOOutputQueueStats 61 @discussion Statistics recorded by IOOutputQueue objects. 62 @field capacity queue capacity. 63 @field size current size of the queue. 64 @field peakSize peak size of the queue. 65 @field dropCount number of packets dropped. 66 @field outputCount number of output packets. 67 @field retryCount number of retries. 68 @field stallCount number of queue stalls. */ 69 70typedef struct { 71 UInt32 capacity; 72 UInt32 size; 73 UInt32 peakSize; 74 UInt32 dropCount; 75 UInt32 outputCount; 76 UInt32 retryCount; 77 UInt32 stallCount; 78 UInt32 reserved[4]; 79} IOOutputQueueStats; 80 81/*! @defined kIOOutputQueueStatsKey 82 @discussion Defines the name of an IONetworkData that contains 83 an IOOutputQueueStats. */ 84 85#define kIOOutputQueueStatsKey "IOOutputQueueStatsKey" 86 87#endif /* !_IONETWORKSTATS_H */ 88