reactos/sdk/include/psdk/tcpestats.h

/*
 * PROJECT:     ReactOS PSDK
 * LICENSE:     MIT (https://spdx.org/licenses/MIT)
 * PURPOSE:     TCP Extended Statistics Header
 * COPYRIGHT:   Copyright 2025 Carl Bialorucki <carl.bialorucki@reactos.org>
 */

#ifndef _TCPESTATS_
#define _TCPESTATS_

/* Enums */
typedef enum _TCP_BOOLEAN_OPTIONAL {
    TcpBoolOptUnchanged = -1,
    TcpBoolOptDisabled  =  0,
    TcpBoolOptEnabled   =  1,
} TCP_BOOLEAN_OPTIONAL, *PTCP_BOOLEAN_OPTIONAL;

typedef enum {
    TcpConnectionEstatsSynOpts   = 0,
    TcpConnectionEstatsData      = 1,
    TcpConnectionEstatsSndCong   = 2,
    TcpConnectionEstatsPath      = 3,
    TcpConnectionEstatsSendBuff  = 4,
    TcpConnectionEstatsRec       = 5,
    TcpConnectionEstatsObsRec    = 6,
    TcpConnectionEstatsBandwidth = 7,
    TcpConnectionEstatsFineRtt   = 8,
    TcpConnectionEstatsMaximum   = 9,
} TCP_ESTATS_TYPE, *PTCP_ESTATS_TYPE;

typedef enum {
    TcpErrorNone              = 0,
    TcpErrorBelowDataWindow   = 1,
    TcpErrorAboveDataWindow   = 2,
    TcpErrorBelowAckWindow    = 3,
    TcpErrorAboveAckWindow    = 4,
    TcpErrorBelowTsWindow     = 5,
    TcpErrorAboveTsWindow     = 6,
    TcpErrorDataChecksumError = 7,
    TcpErrorDataLengthError   = 8,
    TcpErrorMaxSoftError      = 9,
} TCP_SOFT_ERROR, *PTCP_SOFT_ERROR;

/* Structures */
typedef struct _TCP_ESTATS_BANDWIDTH_ROD_v0 {
    ULONG64 OutboundBandwidth;
    ULONG64 InboundBandwidth;
    ULONG64 OutboundInstability;
    ULONG64 InboundInstability;
    BOOLEAN OutboundBandwidthPeaked;
    BOOLEAN InboundBandwidthPeaked;
} TCP_ESTATS_BANDWIDTH_ROD_v0, *PTCP_ESTATS_BANDWIDTH_ROD_v0;

typedef struct _TCP_ESTATS_BANDWIDTH_RW_v0 {
    TCP_BOOLEAN_OPTIONAL EnableCollectionOutbound;
    TCP_BOOLEAN_OPTIONAL EnableCollectionInbound;
} TCP_ESTATS_BANDWIDTH_RW_v0, *PTCP_ESTATS_BANDWIDTH_RW_v0;

typedef struct _TCP_ESTATS_DATA_ROD_v0 {
    ULONG64 DataBytesOut;
    ULONG64 DataSegsOut;
    ULONG64 DataBytesIn;
    ULONG64 DataSegsIn;
    ULONG64 SegsOut;
    ULONG64 SegsIn;
    ULONG   SoftErrors;
    ULONG   SoftErrorReason;
    ULONG   SndUna;
    ULONG   SndNxt;
    ULONG   SndMax;
    ULONG64 ThruBytesAcked;
    ULONG   RcvNxt;
    ULONG64 ThruBytesReceived;
} TCP_ESTATS_DATA_ROD_v0, *PTCP_ESTATS_DATA_ROD_v0;

typedef struct _TCP_ESTATS_DATA_RW_v0 {
    BOOLEAN EnableCollection;
} TCP_ESTATS_DATA_RW_v0, *PTCP_ESTATS_DATA_RW_v0;

typedef struct _TCP_ESTATS_FINE_RTT_RW_v0 {
    BOOLEAN EnableCollection;
} TCP_ESTATS_FINE_RTT_RW_v0, *PTCP_ESTATS_FINE_RTT_RW_v0;

typedef struct _TCP_ESTATS_FINE_RTT_ROD_v0 {
    ULONG RttVar;
    ULONG MaxRtt;
    ULONG MinRtt;
    ULONG SumRtt;
} TCP_ESTATS_FINE_RTT_ROD_v0, *PTCP_ESTATS_FINE_RTT_ROD_v0;

typedef struct _TCP_ESTATS_OBS_REC_ROD_v0 {
    ULONG CurRwinRcvd;
    ULONG MaxRwinRcvd;
    ULONG MinRwinRcvd;
    UCHAR WinScaleRcvd;
} TCP_ESTATS_OBS_REC_ROD_v0, *PTCP_ESTATS_OBS_REC_ROD_v0;

typedef struct _TCP_ESTATS_OBS_REC_RW_v0 {
    BOOLEAN EnableCollection;
} TCP_ESTATS_OBS_REC_RW_v0, *PTCP_ESTATS_OBS_REC_RW_v0;

typedef struct _TCP_ESTATS_PATH_ROD_v0 {
    ULONG FastRetran;
    ULONG Timeouts;
    ULONG SubsequentTimeouts;
    ULONG CurTimeoutCount;
    ULONG AbruptTimeouts;
    ULONG PktsRetrans;
    ULONG BytesRetrans;
    ULONG DupAcksIn;
    ULONG SacksRcvd;
    ULONG SackBlocksRcvd;
    ULONG CongSignals;
    ULONG PreCongSumCwnd;
    ULONG PreCongSumRtt;
    ULONG PostCongSumRtt;
    ULONG PostCongCountRtt;
    ULONG EcnSignals;
    ULONG EceRcvd;
    ULONG SendStall;
    ULONG QuenchRcvd;
    ULONG RetranThresh;
    ULONG SndDupAckEpisodes;
    ULONG SumBytesReordered;
    ULONG NonRecovDa;
    ULONG NonRecovDaEpisodes;
    ULONG AckAfterFr;
    ULONG DsackDups;
    ULONG SampleRtt;
    ULONG SmoothedRtt;
    ULONG RttVar;
    ULONG MaxRtt;
    ULONG MinRtt;
    ULONG SumRtt;
    ULONG CountRtt;
    ULONG CurRto;
    ULONG MaxRto;
    ULONG MinRto;
    ULONG CurMss;
    ULONG MaxMss;
    ULONG MinMss;
    ULONG SpuriousRtoDetections;
} TCP_ESTATS_PATH_ROD_v0, *PTCP_ESTATS_PATH_ROD_v0;

typedef struct _TCP_ESTATS_PATH_RW_v0 {
    BOOLEAN EnableCollection;
} TCP_ESTATS_PATH_RW_v0, *PTCP_ESTATS_PATH_RW_v0;

typedef struct _TCP_ESTATS_REC_ROD_v0 {
    ULONG  CurRwinSent;
    ULONG  MaxRwinSent;
    ULONG  MinRwinSent;
    ULONG  LimRwin;
    ULONG  DupAckEpisodes;
    ULONG  DupAcksOut;
    ULONG  CeRcvd;
    ULONG  EcnSent;
    ULONG  EcnNoncesRcvd;
    ULONG  CurReasmQueue;
    ULONG  MaxReasmQueue;
    SIZE_T CurAppRQueue;
    SIZE_T MaxAppRQueue;
    UCHAR  WinScaleSent;
} TCP_ESTATS_REC_ROD_v0, *PTCP_ESTATS_REC_ROD_v0;

typedef struct _TCP_ESTATS_REC_RW_v0 {
    BOOLEAN EnableCollection;
} TCP_ESTATS_REC_RW_v0, *PTCP_ESTATS_REC_RW_v0;

typedef struct _TCP_ESTATS_SEND_BUFF_ROD_v0 {
    SIZE_T CurRetxQueue;
    SIZE_T MaxRetxQueue;
    SIZE_T CurAppWQueue;
    SIZE_T MaxAppWQueue;
} TCP_ESTATS_SEND_BUFF_ROD_v0, *PTCP_ESTATS_SEND_BUFF_ROD_v0;

typedef struct _TCP_ESTATS_SEND_BUFF_RW_v0 {
    BOOLEAN EnableCollection;
} TCP_ESTATS_SEND_BUFF_RW_v0, *PTCP_ESTATS_SEND_BUFF_RW_v0;

typedef struct _TCP_ESTATS_SND_CONG_ROD_v0 {
    ULONG  SndLimTransRwin;
    ULONG  SndLimTimeRwin;
    SIZE_T SndLimBytesRwin;
    ULONG  SndLimTransCwnd;
    ULONG  SndLimTimeCwnd;
    SIZE_T SndLimBytesCwnd;
    ULONG  SndLimTransSnd;
    ULONG  SndLimTimeSnd;
    SIZE_T SndLimBytesSnd;
    ULONG  SlowStart;
    ULONG  CongAvoid;
    ULONG  OtherReductions;
    ULONG  CurCwnd;
    ULONG  MaxSsCwnd;
    ULONG  MaxCaCwnd;
    ULONG  CurSsthresh;
    ULONG  MaxSsthresh;
    ULONG  MinSsthresh;
} TCP_ESTATS_SND_CONG_ROD_v0, *PTCP_ESTATS_SND_CONG_ROD_v0;

typedef struct _TCP_ESTATS_SND_CONG_ROS_v0 {
    ULONG LimCwnd;
} TCP_ESTATS_SND_CONG_ROS_v0, *PTCP_ESTATS_SND_CONG_ROS_v0;

typedef struct _TCP_ESTATS_SND_CONG_RW_v0 {
    BOOLEAN EnableCollection;
} TCP_ESTATS_SND_CONG_RW_v0, *PTCP_ESTATS_SND_CONG_RW_v0;

typedef struct _TCP_ESTATS_SYN_OPTS_ROS_v0 {
    BOOLEAN ActiveOpen;
    ULONG   MssRcvd;
    ULONG   MssSent;
} TCP_ESTATS_SYN_OPTS_ROS_v0, *PTCP_ESTATS_SYN_OPTS_ROS_v0;

#endif // _TCPESTATS_