dd DTrace probe points, translators and a corresponding script
to provide the TCPDEBUG functionality with pure DTrace. Reviewed by: rwatson MFC after: 2 weeks Sponsored by: Limelight Networks Differential Revision: D3530
This commit is contained in:
parent
6b56dd0cfa
commit
5d06879adb
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=287759
@ -103,11 +103,15 @@ typedef struct tcpsinfo {
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int32_t tcps_state; /* TCP state */
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uint32_t tcps_iss; /* Initial sequence # sent */
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uint32_t tcps_suna; /* sequence # sent but unacked */
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uint32_t tcps_smax; /* highest sequence number sent */
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uint32_t tcps_snxt; /* next sequence # to send */
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uint32_t tcps_rack; /* sequence # we have acked */
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uint32_t tcps_rnxt; /* next sequence # expected */
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uint32_t tcps_swnd; /* send window size */
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int32_t tcps_snd_ws; /* send window scaling */
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uint32_t tcps_swl1; /* window update seg seq number */
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uint32_t tcps_swl2; /* window update seg ack number */
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uint32_t tcps_rup; /* receive urgent pointer */
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uint32_t tcps_rwnd; /* receive window size */
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int32_t tcps_rcv_ws; /* receive window scaling */
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uint32_t tcps_cwnd; /* congestion window */
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@ -118,6 +122,7 @@ typedef struct tcpsinfo {
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uint32_t tcps_mss; /* max segment size */
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int tcps_retransmit; /* retransmit send event, boolean */
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int tcps_srtt; /* smoothed RTT in units of (TCP_RTT_SCALE*hz) */
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int tcps_debug; /* socket has SO_DEBUG set */
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} tcpsinfo_t;
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/*
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@ -188,12 +193,16 @@ translator tcpsinfo_t < struct tcpcb *p > {
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tcps_state = p == NULL ? -1 : p->t_state;
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tcps_iss = p == NULL ? 0 : p->iss;
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tcps_suna = p == NULL ? 0 : p->snd_una;
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tcps_smax = p == NULL ? 0 : p->snd_max;
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tcps_snxt = p == NULL ? 0 : p->snd_nxt;
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tcps_rack = p == NULL ? 0 : p->last_ack_sent;
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tcps_rnxt = p == NULL ? 0 : p->rcv_nxt;
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tcps_swnd = p == NULL ? -1 : p->snd_wnd;
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tcps_snd_ws = p == NULL ? -1 : p->snd_scale;
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tcps_swl1 = p == NULL ? -1 : p->snd_wl1;
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tcps_swl2 = p == NULL ? -1 : p->snd_wl2;
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tcps_rwnd = p == NULL ? -1 : p->rcv_wnd;
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tcps_rup = p == NULL ? -1 : p->rcv_up;
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tcps_rcv_ws = p == NULL ? -1 : p->rcv_scale;
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tcps_cwnd = p == NULL ? -1 : p->snd_cwnd;
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tcps_cwnd_ssthresh = p == NULL ? -1 : p->snd_ssthresh;
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@ -203,6 +212,8 @@ translator tcpsinfo_t < struct tcpcb *p > {
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tcps_mss = p == NULL ? -1 : p->t_maxseg;
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tcps_retransmit = p == NULL ? -1 : p->t_rxtshift > 0 ? 1 : 0;
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tcps_srtt = p == NULL ? -1 : p->t_srtt; /* smoothed RTT in units of (TCP_RTT_SCALE*hz) */
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tcps_debug = p == NULL ? 0 :
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p->t_inpcb->inp_socket->so_options & 1;
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};
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#pragma D binding "1.6.3" translator
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@ -242,3 +253,123 @@ translator tcpinfoh_t < struct tcphdr *p > {
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translator tcplsinfo_t < int s > {
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tcps_state = s;
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};
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/* Support for TCP debug */
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#pragma D binding "1.12.1" TA_INPUT
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inline int TA_INPUT = 0;
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#pragma D binding "1.12.1" TA_OUTPUT
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inline int TA_OUTPUT = 1;
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#pragma D binding "1.12.1" TA_USER
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inline int TA_USER = 2;
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#pragma D binding "1.12.1" TA_RESPOND
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inline int TA_RESPOND = 3;
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#pragma D binding "1.12.1" TA_DROP
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inline int TA_DROP = 4;
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/* direction strings. */
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#pragma D binding "1.12.1" tcpdebug_dir_string
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inline string tcpdebug_dir_string[uint8_t direction] =
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direction == TA_INPUT ? "input" :
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direction == TA_OUTPUT ? "output" :
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direction == TA_USER ? "user" :
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direction == TA_RESPOND ? "respond" :
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direction == TA_OUTPUT ? "drop" :
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"unknown" ;
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#pragma D binding "1.12.1" tcpflag_string
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inline string tcpflag_string[uint8_t flags] =
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flags & TH_FIN ? "FIN" :
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flags & TH_SYN ? "SYN" :
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flags & TH_RST ? "RST" :
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flags & TH_PUSH ? "PUSH" :
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flags & TH_ACK ? "ACK" :
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flags & TH_URG ? "URG" :
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flags & TH_ECE ? "ECE" :
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flags & TH_CWR ? "CWR" :
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"unknown" ;
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#pragma D binding "1.12.1" PRU_ATTACH
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inline int PRU_ATTACH = 0;
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#pragma D binding "1.12.1" PRU_DETACH
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inline int PRU_DETACH = 1;
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#pragma D binding "1.12.1" PRU_BIND
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inline int PRU_BIND = 2;
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#pragma D binding "1.12.1" PRU_LISTEN
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inline int PRU_LISTEN = 3;
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#pragma D binding "1.12.1" PRU_CONNECT
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inline int PRU_CONNECT = 4;
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#pragma D binding "1.12.1" PRU_ACCEPT
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inline int PRU_ACCEPT = 5 ;
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#pragma D binding "1.12.1" PRU_DISCONNECT
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inline int PRU_DISCONNECT= 6;
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#pragma D binding "1.12.1" PRU_SHUTDOWN
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inline int PRU_SHUTDOWN = 7;
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#pragma D binding "1.12.1" PRU_RCVD
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inline int PRU_RCVD = 8;
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#pragma D binding "1.12.1" PRU_SEND
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inline int PRU_SEND = 9;
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#pragma D binding "1.12.1" PRU_ABORT
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inline int PRU_ABORT = 10;
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#pragma D binding "1.12.1" PRU_CONTROL
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inline int PRU_CONTROL = 11;
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#pragma D binding "1.12.1" PRU_SENSE
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inline int PRU_SENSE = 12;
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#pragma D binding "1.12.1" PRU_RCVOOB
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inline int PRU_RCVOOB = 13;
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#pragma D binding "1.12.1" PRU_SENDOOB
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inline int PRU_SENDOOB = 14;
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#pragma D binding "1.12.1" PRU_SOCKADDR
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inline int PRU_SOCKADDR = 15;
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#pragma D binding "1.12.1" PRU_PEERADDR
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inline int PRU_PEERADDR = 16;
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#pragma D binding "1.12.1" PRU_CONNECT2
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inline int PRU_CONNECT2 = 17;
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#pragma D binding "1.12.1" PRU_FASTTIMO
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inline int PRU_FASTTIMO = 18;
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#pragma D binding "1.12.1" PRU_SLOWTIMO
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inline int PRU_SLOWTIMO = 19;
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#pragma D binding "1.12.1" PRU_PROTORCV
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inline int PRU_PROTORCV = 20;
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#pragma D binding "1.12.1" PRU_PROTOSEND
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inline int PRU_PROTOSEND = 21;
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#pragma D binding "1.12.1" PRU_SEND_EOF
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inline int PRU_SEND_EOF = 22;
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#pragma D binding "1.12.1" PRU_SOSETLABEL
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inline int PRU_SOSETLABEL = 23;
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#pragma D binding "1.12.1" PRU_CLOSE
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inline int PRU_CLOSE = 24;
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#pragma D binding "1.12.1" PRU_FLUSH
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inline int PRU_FLUSH = 25;
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#pragma D binding "1.12.1" prureq_string
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inline string prureq_string[uint8_t req] =
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req == PRU_ATTACH ? "ATTACH" :
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req == PRU_DETACH ? "DETACH" :
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req == PRU_BIND ? "BIND" :
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req == PRU_LISTEN ? "LISTEN" :
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req == PRU_CONNECT ? "CONNECT" :
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req == PRU_ACCEPT ? "ACCEPT" :
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req == PRU_DISCONNECT ? "DISCONNECT" :
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req == PRU_SHUTDOWN ? "SHUTDOWN" :
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req == PRU_RCVD ? "RCVD" :
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req == PRU_SEND ? "SEND" :
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req == PRU_ABORT ? "ABORT" :
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req == PRU_CONTROL ? "CONTROL" :
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req == PRU_SENSE ? "SENSE" :
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req == PRU_RCVOOB ? "RCVOOB" :
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req == PRU_SENDOOB ? "SENDOOB" :
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req == PRU_SOCKADDR ? "SOCKADDR" :
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req == PRU_PEERADDR ? "PEERADDR" :
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req == PRU_CONNECT2 ? "CONNECT2" :
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req == PRU_FASTTIMO ? "FASTTIMO" :
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req == PRU_SLOWTIMO ? "SLOWTIMO" :
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req == PRU_PROTORCV ? "PROTORCV" :
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req == PRU_PROTOSEND ? "PROTOSEND" :
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req == PRU_SEND ? "SEND_EOF" :
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req == PRU_SOSETLABEL ? "SOSETLABEL" :
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req == PRU_CLOSE ? "CLOSE" :
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req == PRU_FLUSH ? "FLUSE" :
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"unknown" ;
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165
share/dtrace/tcpdebug
Executable file
165
share/dtrace/tcpdebug
Executable file
@ -0,0 +1,165 @@
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#!/usr/sbin/dtrace -s
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/*
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* Copyright (c) 2015 George V. Neville-Neil
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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* The tcpdebug D script uses the tcp:kernel::debug tracepoints
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* to replicate the action of turning on TCPDEBUG in a kernel configuration.
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*
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* A TCP debug statement shows a connection's
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*
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* direction: input, output, user, drop
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* state: CLOSED, LISTEN, SYN_SENT, SYN_RCVD, ESTABLISHED,
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* CLOSE_WAIT, FIN_WAIT_1, CLOSING, LAST_ACK, FIN_WAIT_2,TIME_WAIT
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* sequence: sequence space
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*
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* congestion: rcv_nxt, rcv_wnd, rcv_up, snd_una, snd_nxt, snx_max,
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* snd_wl1, snd_wl2, snd_wnd
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*
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* NOTE: Only sockets with SO_DEBUG set will be shown.
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*
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* Usage: tcpdebug
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*/
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#pragma D option quiet
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tcp:kernel::debug-input
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/args[0]->tcps_debug/
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{
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seq = args[1]->tcp_seq;
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ack = args[1]->tcp_ack;
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len = args[2]->ip_plength - sizeof(struct tcphdr);
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flags = args[1]->tcp_flags;
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printf("%p %s: input [%xu..%xu]", arg0,
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tcp_state_string[args[0]->tcps_state], seq, seq + len);
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printf("@%x, urp=%x", ack, args[1]->tcp_urgent);
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printf("%s", flags != 0 ? "<" : "");
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printf("%s", flags & TH_SYN ? "SYN," :"");
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printf("%s", flags & TH_ACK ? "ACK," :"");
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printf("%s", flags & TH_FIN ? "FIN," :"");
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printf("%s", flags & TH_RST ? "RST," :"");
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printf("%s", flags & TH_PUSH ? "PUSH," :"");
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printf("%s", flags & TH_URG ? "URG," :"");
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printf("%s", flags & TH_ECE ? "ECE," :"");
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printf("%s", flags & TH_CWR ? "CWR" :"");
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printf("%s", flags != 0 ? ">" : "");
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printf("\n");
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printf("\trcv_(nxt,wnd,up) (%x,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n",
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args[0]->tcps_rnxt, args[0]->tcps_rwnd, args[0]->tcps_rup,
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args[0]->tcps_suna, args[0]->tcps_snxt, args[0]->tcps_smax);
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printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n",
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args[0]->tcps_swl1, args[0]->tcps_swl2, args[0]->tcps_swnd);
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}
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tcp:kernel::debug-output
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/args[0]->tcps_debug/
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{
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seq = args[1]->tcp_seq;
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ack = args[1]->tcp_ack;
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len = args[2]->ip_plength - 20;
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printf("%p %s: output [%x..%x]", arg0,
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tcp_state_string[args[0]->tcps_state], seq, seq + len);
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printf("@%x, urp=%x", ack, args[1]->tcp_urgent);
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printf("%s", flags != 0 ? "<" : "");
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printf("%s", flags & TH_SYN ? "SYN," :"");
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printf("%s", flags & TH_ACK ? "ACK," :"");
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printf("%s", flags & TH_FIN ? "FIN," :"");
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printf("%s", flags & TH_RST ? "RST," :"");
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printf("%s", flags & TH_PUSH ? "PUSH," :"");
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printf("%s", flags & TH_URG ? "URG," :"");
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printf("%s", flags & TH_ECE ? "ECE," :"");
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printf("%s", flags & TH_CWR ? "CWR" :"");
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printf("%s", flags != 0 ? ">" : "");
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printf("\n");
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printf("\trcv_(nxt,wnd,up) (%u,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n",
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args[0]->tcps_rnxt, args[0]->tcps_rwnd, args[0]->tcps_rup,
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args[0]->tcps_suna, args[0]->tcps_snxt, args[0]->tcps_smax);
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printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n",
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args[0]->tcps_swl1, args[0]->tcps_swl2, args[0]->tcps_swnd);
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}
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tcp:kernel::debug-drop
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/args[0]->tcps_debug/
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{
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printf("%p %s: output [x..x] @%x, urp=%x\n", arg0,
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tcp_state_string[args[0]->tcps_state],
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args[1]->tcp_ack,
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args[1]->tcp_urgent);
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seq = args[1]->tcp_seq;
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ack = args[1]->tcp_ack;
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len = args[2]->ip_plength;
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printf("%p %s: drop [%x..%x]", arg0,
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tcp_state_string[args[0]->tcps_state], seq, seq + len);
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printf("@%x, urp=%x", ack, args[1]->tcp_urgent);
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printf("%s", flags != 0 ? "<" : "");
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printf("%s", flags & TH_SYN ? "SYN," :"");
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printf("%s", flags & TH_ACK ? "ACK," :"");
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printf("%s", flags & TH_FIN ? "FIN," :"");
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printf("%s", flags & TH_RST ? "RST," :"");
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printf("%s", flags & TH_PUSH ? "PUSH," :"");
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printf("%s", flags & TH_URG ? "URG," :"");
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printf("%s", flags & TH_ECE ? "ECE," :"");
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printf("%s", flags & TH_CWR ? "CWR" :"");
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printf("%s", flags != 0 ? ">" : "");
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printf("\n");
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printf("\trcv_(nxt,wnd,up) (%x,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n",
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args[0]->tcps_rnxt, args[0]->tcps_rwnd, args[0]->tcps_rup,
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args[0]->tcps_suna, args[0]->tcps_snxt, args[0]->tcps_smax);
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printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n",
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args[0]->tcps_swl1, args[0]->tcps_swl2, args[0]->tcps_swnd);
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}
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tcp:kernel::debug-user
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/args[0]->tcps_debug/
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{
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printf("%p %s: user ", arg0,
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tcp_state_string[args[0]->tcps_state]);
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printf("%s", prureq_string[arg1]);
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printf("\n");
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printf("\trcv_(nxt,wnd,up) (%x,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n",
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args[0]->tcps_rnxt, args[0]->tcps_rwnd, args[0]->tcps_rup,
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args[0]->tcps_suna, args[0]->tcps_snxt, args[0]->tcps_smax);
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printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n",
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args[0]->tcps_swl1, args[0]->tcps_swl2, args[0]->tcps_swnd);
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}
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@ -105,6 +105,25 @@ SDT_PROBE_DEFINE5_XLATE(tcp, , , send,
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SDT_PROBE_DEFINE1_XLATE(tcp, , , siftr,
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"struct pkt_node *", "siftrinfo_t *");
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SDT_PROBE_DEFINE3_XLATE(tcp, , , debug__input,
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"struct tcpcb *", "tcpsinfo_t *" ,
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"struct tcphdr *", "tcpinfo_t *",
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"uint8_t *", "ipinfo_t *");
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SDT_PROBE_DEFINE3_XLATE(tcp, , , debug__output,
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"struct tcpcb *", "tcpsinfo_t *" ,
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"struct tcphdr *", "tcpinfo_t *",
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"uint8_t *", "ipinfo_t *");
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SDT_PROBE_DEFINE2_XLATE(tcp, , , debug__user,
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"struct tcpcb *", "tcpsinfo_t *" ,
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"int", "int");
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SDT_PROBE_DEFINE3_XLATE(tcp, , , debug__drop,
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"struct tcpcb *", "tcpsinfo_t *" ,
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"struct tcphdr *", "tcpinfo_t *",
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"uint8_t *", "ipinfo_t *")
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SDT_PROBE_DEFINE6_XLATE(tcp, , , state__change,
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"void *", "void *",
|
||||
"struct tcpcb *", "csinfo_t *",
|
||||
|
@ -34,6 +34,12 @@
|
||||
SDT_PROBE5(udp, , , probe, arg0, arg1, arg2, arg3, arg4)
|
||||
#define TCP_PROBE1(probe, arg0) \
|
||||
SDT_PROBE1(tcp, , , probe, arg0)
|
||||
#define TCP_PROBE2(probe, arg0, arg1) \
|
||||
SDT_PROBE2(tcp, , , probe, arg0, arg1)
|
||||
#define TCP_PROBE3(probe, arg0, arg1, arg2) \
|
||||
SDT_PROBE3(tcp, , , probe, arg0, arg1, arg2)
|
||||
#define TCP_PROBE4(probe, arg0, arg1, arg2, arg3) \
|
||||
SDT_PROBE4(tcp, , , probe, arg0, arg1, arg2, arg3)
|
||||
#define TCP_PROBE5(probe, arg0, arg1, arg2, arg3, arg4) \
|
||||
SDT_PROBE5(tcp, , , probe, arg0, arg1, arg2, arg3, arg4)
|
||||
#define TCP_PROBE6(probe, arg0, arg1, arg2, arg3, arg4, arg5) \
|
||||
@ -55,6 +61,10 @@ SDT_PROBE_DECLARE(tcp, , , receive);
|
||||
SDT_PROBE_DECLARE(tcp, , , send);
|
||||
SDT_PROBE_DECLARE(tcp, , , siftr);
|
||||
SDT_PROBE_DECLARE(tcp, , , state__change);
|
||||
SDT_PROBE_DECLARE(tcp, , , debug__input);
|
||||
SDT_PROBE_DECLARE(tcp, , , debug__output);
|
||||
SDT_PROBE_DECLARE(tcp, , , debug__user);
|
||||
SDT_PROBE_DECLARE(tcp, , , debug__drop);
|
||||
|
||||
SDT_PROBE_DECLARE(udp, , , receive);
|
||||
SDT_PROBE_DECLARE(udp, , , send);
|
||||
|
@ -1377,6 +1377,7 @@ tcp_input(struct mbuf **mp, int *offp, int proto)
|
||||
tcp_trace(TA_INPUT, ostate, tp,
|
||||
(void *)tcp_saveipgen, &tcp_savetcp, 0);
|
||||
#endif
|
||||
TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
|
||||
tcp_dooptions(&to, optp, optlen, TO_SYN);
|
||||
syncache_add(&inc, &to, th, inp, &so, m, NULL, NULL);
|
||||
/*
|
||||
@ -1779,6 +1780,8 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
|
||||
(void *)tcp_saveipgen,
|
||||
&tcp_savetcp, 0);
|
||||
#endif
|
||||
TCP_PROBE3(debug__input, tp, th,
|
||||
mtod(m, const char *));
|
||||
if (tp->snd_una == tp->snd_max)
|
||||
tcp_timer_activate(tp, TT_REXMT, 0);
|
||||
else if (!tcp_timer_active(tp, TT_PERSIST))
|
||||
@ -1825,6 +1828,8 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
|
||||
tcp_trace(TA_INPUT, ostate, tp,
|
||||
(void *)tcp_saveipgen, &tcp_savetcp, 0);
|
||||
#endif
|
||||
TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
|
||||
|
||||
/*
|
||||
* Automatic sizing of receive socket buffer. Often the send
|
||||
* buffer size is not optimally adjusted to the actual network
|
||||
@ -3022,6 +3027,7 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
|
||||
tcp_trace(TA_INPUT, ostate, tp, (void *)tcp_saveipgen,
|
||||
&tcp_savetcp, 0);
|
||||
#endif
|
||||
TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
|
||||
|
||||
/*
|
||||
* Return any desired output.
|
||||
@ -3069,6 +3075,7 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
|
||||
tcp_trace(TA_DROP, ostate, tp, (void *)tcp_saveipgen,
|
||||
&tcp_savetcp, 0);
|
||||
#endif
|
||||
TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
|
||||
if (ti_locked == TI_RLOCKED)
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
ti_locked = TI_UNLOCKED;
|
||||
@ -3109,6 +3116,7 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
|
||||
tcp_trace(TA_DROP, ostate, tp, (void *)tcp_saveipgen,
|
||||
&tcp_savetcp, 0);
|
||||
#endif
|
||||
TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
|
||||
if (tp != NULL)
|
||||
INP_WUNLOCK(tp->t_inpcb);
|
||||
m_freem(m);
|
||||
|
@ -1253,6 +1253,7 @@ tcp_output(struct tcpcb *tp)
|
||||
ipov->ih_len = save;
|
||||
}
|
||||
#endif /* TCPDEBUG */
|
||||
TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
|
||||
|
||||
/*
|
||||
* Fill in IP length and desired time to live and
|
||||
|
@ -720,6 +720,7 @@ tcp_respond(struct tcpcb *tp, void *ipgen, struct tcphdr *th, struct mbuf *m,
|
||||
if (tp == NULL || (inp->inp_socket->so_options & SO_DEBUG))
|
||||
tcp_trace(TA_OUTPUT, 0, tp, mtod(m, void *), th, 0);
|
||||
#endif
|
||||
TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
|
||||
if (flags & TH_RST)
|
||||
TCP_PROBE5(accept__refused, NULL, NULL, mtod(m, const char *),
|
||||
tp, nth);
|
||||
|
@ -57,6 +57,7 @@ __FBSDID("$FreeBSD$");
|
||||
|
||||
#include <netinet/cc.h>
|
||||
#include <netinet/in.h>
|
||||
#include <netinet/in_kdtrace.h>
|
||||
#include <netinet/in_pcb.h>
|
||||
#include <netinet/in_rss.h>
|
||||
#include <netinet/in_systm.h>
|
||||
@ -369,6 +370,8 @@ tcp_timer_2msl(void *xtp)
|
||||
tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,
|
||||
PRU_SLOWTIMO);
|
||||
#endif
|
||||
TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
|
||||
|
||||
if (tp != NULL)
|
||||
INP_WUNLOCK(inp);
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
@ -454,6 +457,7 @@ tcp_timer_keep(void *xtp)
|
||||
tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,
|
||||
PRU_SLOWTIMO);
|
||||
#endif
|
||||
TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
|
||||
INP_WUNLOCK(inp);
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
CURVNET_RESTORE();
|
||||
@ -468,6 +472,7 @@ tcp_timer_keep(void *xtp)
|
||||
tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,
|
||||
PRU_SLOWTIMO);
|
||||
#endif
|
||||
TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
|
||||
if (tp != NULL)
|
||||
INP_WUNLOCK(tp->t_inpcb);
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
@ -546,6 +551,7 @@ tcp_timer_persist(void *xtp)
|
||||
if (tp != NULL && tp->t_inpcb->inp_socket->so_options & SO_DEBUG)
|
||||
tcp_trace(TA_USER, ostate, tp, NULL, NULL, PRU_SLOWTIMO);
|
||||
#endif
|
||||
TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
|
||||
if (tp != NULL)
|
||||
INP_WUNLOCK(inp);
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
@ -792,6 +798,7 @@ tcp_timer_rexmt(void * xtp)
|
||||
tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,
|
||||
PRU_SLOWTIMO);
|
||||
#endif
|
||||
TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);
|
||||
if (tp != NULL)
|
||||
INP_WUNLOCK(inp);
|
||||
if (headlocked)
|
||||
|
@ -70,6 +70,7 @@ __FBSDID("$FreeBSD$");
|
||||
|
||||
#include <netinet/cc.h>
|
||||
#include <netinet/in.h>
|
||||
#include <netinet/in_kdtrace.h>
|
||||
#include <netinet/in_pcb.h>
|
||||
#include <netinet/in_systm.h>
|
||||
#include <netinet/in_var.h>
|
||||
@ -146,6 +147,7 @@ tcp_usr_attach(struct socket *so, int proto, struct thread *td)
|
||||
tp = intotcpcb(inp);
|
||||
out:
|
||||
TCPDEBUG2(PRU_ATTACH);
|
||||
TCP_PROBE2(debug__user, tp, PRU_ATTACH);
|
||||
return error;
|
||||
}
|
||||
|
||||
@ -295,6 +297,7 @@ tcp_usr_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
|
||||
INP_HASH_WUNLOCK(&V_tcbinfo);
|
||||
out:
|
||||
TCPDEBUG2(PRU_BIND);
|
||||
TCP_PROBE2(debug__user, tp, PRU_BIND);
|
||||
INP_WUNLOCK(inp);
|
||||
|
||||
return (error);
|
||||
@ -355,6 +358,7 @@ tcp6_usr_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
|
||||
INP_HASH_WUNLOCK(&V_tcbinfo);
|
||||
out:
|
||||
TCPDEBUG2(PRU_BIND);
|
||||
TCP_PROBE2(debug__user, tp, PRU_BIND);
|
||||
INP_WUNLOCK(inp);
|
||||
return (error);
|
||||
}
|
||||
@ -399,6 +403,7 @@ tcp_usr_listen(struct socket *so, int backlog, struct thread *td)
|
||||
|
||||
out:
|
||||
TCPDEBUG2(PRU_LISTEN);
|
||||
TCP_PROBE2(debug__user, tp, PRU_LISTEN);
|
||||
INP_WUNLOCK(inp);
|
||||
return (error);
|
||||
}
|
||||
@ -444,6 +449,7 @@ tcp6_usr_listen(struct socket *so, int backlog, struct thread *td)
|
||||
|
||||
out:
|
||||
TCPDEBUG2(PRU_LISTEN);
|
||||
TCP_PROBE2(debug__user, tp, PRU_LISTEN);
|
||||
INP_WUNLOCK(inp);
|
||||
return (error);
|
||||
}
|
||||
@ -592,6 +598,7 @@ tcp6_usr_connect(struct socket *so, struct sockaddr *nam, struct thread *td)
|
||||
|
||||
out:
|
||||
TCPDEBUG2(PRU_CONNECT);
|
||||
TCP_PROBE2(debug__user, tp, PRU_CONNECT);
|
||||
INP_WUNLOCK(inp);
|
||||
return (error);
|
||||
}
|
||||
@ -631,6 +638,7 @@ tcp_usr_disconnect(struct socket *so)
|
||||
tcp_disconnect(tp);
|
||||
out:
|
||||
TCPDEBUG2(PRU_DISCONNECT);
|
||||
TCP_PROBE2(debug__user, tp, PRU_DISCONNECT);
|
||||
INP_WUNLOCK(inp);
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
return (error);
|
||||
@ -674,6 +682,7 @@ tcp_usr_accept(struct socket *so, struct sockaddr **nam)
|
||||
|
||||
out:
|
||||
TCPDEBUG2(PRU_ACCEPT);
|
||||
TCP_PROBE2(debug__user, tp, PRU_ACCEPT);
|
||||
INP_WUNLOCK(inp);
|
||||
if (error == 0)
|
||||
*nam = in_sockaddr(port, &addr);
|
||||
@ -724,6 +733,7 @@ tcp6_usr_accept(struct socket *so, struct sockaddr **nam)
|
||||
|
||||
out:
|
||||
TCPDEBUG2(PRU_ACCEPT);
|
||||
TCP_PROBE2(debug__user, tp, PRU_ACCEPT);
|
||||
INP_WUNLOCK(inp);
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
if (error == 0) {
|
||||
@ -764,6 +774,7 @@ tcp_usr_shutdown(struct socket *so)
|
||||
|
||||
out:
|
||||
TCPDEBUG2(PRU_SHUTDOWN);
|
||||
TCP_PROBE2(debug__user, tp, PRU_SHUTDOWN);
|
||||
INP_WUNLOCK(inp);
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
|
||||
@ -799,6 +810,7 @@ tcp_usr_rcvd(struct socket *so, int flags)
|
||||
|
||||
out:
|
||||
TCPDEBUG2(PRU_RCVD);
|
||||
TCP_PROBE2(debug__user, tp, PRU_RCVD);
|
||||
INP_WUNLOCK(inp);
|
||||
return (error);
|
||||
}
|
||||
@ -953,6 +965,8 @@ tcp_usr_send(struct socket *so, int flags, struct mbuf *m,
|
||||
out:
|
||||
TCPDEBUG2((flags & PRUS_OOB) ? PRU_SENDOOB :
|
||||
((flags & PRUS_EOF) ? PRU_SEND_EOF : PRU_SEND));
|
||||
TCP_PROBE2(debug__user, tp, (flags & PRUS_OOB) ? PRU_SENDOOB :
|
||||
((flags & PRUS_EOF) ? PRU_SEND_EOF : PRU_SEND));
|
||||
INP_WUNLOCK(inp);
|
||||
if (flags & PRUS_EOF)
|
||||
INP_INFO_RUNLOCK(&V_tcbinfo);
|
||||
@ -1013,6 +1027,7 @@ tcp_usr_abort(struct socket *so)
|
||||
TCPDEBUG1();
|
||||
tcp_drop(tp, ECONNABORTED);
|
||||
TCPDEBUG2(PRU_ABORT);
|
||||
TCP_PROBE2(debug__user, tp, PRU_ABORT);
|
||||
}
|
||||
if (!(inp->inp_flags & INP_DROPPED)) {
|
||||
SOCK_LOCK(so);
|
||||
@ -1052,6 +1067,7 @@ tcp_usr_close(struct socket *so)
|
||||
TCPDEBUG1();
|
||||
tcp_disconnect(tp);
|
||||
TCPDEBUG2(PRU_CLOSE);
|
||||
TCP_PROBE2(debug__user, tp, PRU_CLOSE);
|
||||
}
|
||||
if (!(inp->inp_flags & INP_DROPPED)) {
|
||||
SOCK_LOCK(so);
|
||||
@ -1101,6 +1117,7 @@ tcp_usr_rcvoob(struct socket *so, struct mbuf *m, int flags)
|
||||
|
||||
out:
|
||||
TCPDEBUG2(PRU_RCVOOB);
|
||||
TCP_PROBE2(debug__user, tp, PRU_RCVOOB);
|
||||
INP_WUNLOCK(inp);
|
||||
return (error);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user