sctp_dtrace_define.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
    5  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions are met:
    9  *
   10  * a) Redistributions of source code must retain the above copyright notice,
   11  *    this list of conditions and the following disclaimer.
   12  *
   13  * b) Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in
   15  *    the documentation and/or other materials provided with the distribution.
   16  *
   17  * c) Neither the name of Cisco Systems, Inc. nor the names of its
   18  *    contributors may be used to endorse or promote products derived
   19  *    from this software without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   31  * THE POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 
   34 #include <sys/cdefs.h>
   35 __FBSDID("$FreeBSD: releng/12.0/sys/netinet/sctp_dtrace_define.h 338213 2018-08-22 21:23:32Z tuexen $");
   36 
   37 #ifndef _NETINET_SCTP_DTRACE_DEFINE_H_
   38 #define _NETINET_SCTP_DTRACE_DEFINE_H_
   39 
   40 #include <sys/kernel.h>
   41 #include <sys/sdt.h>
   42 
   43 SDT_PROVIDER_DECLARE(sctp);
   44 
   45 /********************************************************/
   46 /* Cwnd probe - tracks changes in the congestion window on a netp */
   47 /********************************************************/
   48 /* Initial */
   49 SDT_PROBE_DEFINE5(sctp, cwnd, net, init,
   50     "uint32_t",                 /* The Vtag for this end */
   51     "uint32_t",                 /* The port number of the local side << 16 |
   52                                  * port number of remote in network byte
   53                                  * order. */
   54     "uintptr_t",                /* The pointer to the struct sctp_nets *
   55                                  * changing */
   56     "int",                      /* The old value of the cwnd */
   57     "int");                     /* The new value of the cwnd */
   58 
   59 /* ACK-INCREASE */
   60 SDT_PROBE_DEFINE5(sctp, cwnd, net, ack,
   61     "uint32_t",                 /* The Vtag for this end */
   62     "uint32_t",                 /* The port number of the local side << 16 |
   63                                  * port number of remote in network byte
   64                                  * order. */
   65     "uintptr_t",                /* The pointer to the struct sctp_nets *
   66                                  * changing */
   67     "int",                      /* The old value of the cwnd */
   68     "int");                     /* The new value of the cwnd */
   69 
   70 /* ACK-INCREASE */
   71 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttvar,
   72     "uint64_t",                 /* The Vtag << 32 | localport << 16 |
   73                                  * remoteport */
   74     "uint64_t",                 /* obw | nbw */
   75     "uint64_t",                 /* bwrtt | newrtt */
   76     "uint64_t",                 /* flight */
   77     "uint64_t");                /* (cwnd << 32) | point << 16 | retval(0/1) */
   78 
   79 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttstep,
   80     "uint64_t",                 /* The Vtag << 32 | localport << 16 |
   81                                  * remoteport */
   82     "uint64_t",                 /* obw | nbw */
   83     "uint64_t",                 /* bwrtt | newrtt */
   84     "uint64_t",                 /* flight */
   85     "uint64_t");                /* (cwnd << 32) | point << 16 | retval(0/1) */
   86 
   87 /* FastRetransmit-DECREASE */
   88 SDT_PROBE_DEFINE5(sctp, cwnd, net, fr,
   89     "uint32_t",                 /* The Vtag for this end */
   90     "uint32_t",                 /* The port number of the local side << 16 |
   91                                  * port number of remote in network byte
   92                                  * order. */
   93     "uintptr_t",                /* The pointer to the struct sctp_nets *
   94                                  * changing */
   95     "int",                      /* The old value of the cwnd */
   96     "int");                     /* The new value of the cwnd */
   97 
   98 /* TimeOut-DECREASE */
   99 SDT_PROBE_DEFINE5(sctp, cwnd, net, to,
  100     "uint32_t",                 /* The Vtag for this end */
  101     "uint32_t",                 /* The port number of the local side << 16 |
  102                                  * port number of remote in network byte
  103                                  * order. */
  104     "uintptr_t",                /* The pointer to the struct sctp_nets *
  105                                  * changing */
  106     "int",                      /* The old value of the cwnd */
  107     "int");                     /* The new value of the cwnd */
  108 
  109 /* BurstLimit-DECREASE */
  110 SDT_PROBE_DEFINE5(sctp, cwnd, net, bl,
  111     "uint32_t",                 /* The Vtag for this end */
  112     "uint32_t",                 /* The port number of the local side << 16 |
  113                                  * port number of remote in network byte
  114                                  * order. */
  115     "uintptr_t",                /* The pointer to the struct sctp_nets *
  116                                  * changing */
  117     "int",                      /* The old value of the cwnd */
  118     "int");                     /* The new value of the cwnd */
  119 
  120 /* ECN-DECREASE */
  121 SDT_PROBE_DEFINE5(sctp, cwnd, net, ecn,
  122     "uint32_t",                 /* The Vtag for this end */
  123     "uint32_t",                 /* The port number of the local side << 16 |
  124                                  * port number of remote in network byte
  125                                  * order. */
  126     "uintptr_t",                /* The pointer to the struct sctp_nets *
  127                                  * changing */
  128     "int",                      /* The old value of the cwnd */
  129     "int");                     /* The new value of the cwnd */
  130 
  131 /* PacketDrop-DECREASE */
  132 SDT_PROBE_DEFINE5(sctp, cwnd, net, pd,
  133     "uint32_t",                 /* The Vtag for this end */
  134     "uint32_t",                 /* The port number of the local side << 16 |
  135                                  * port number of remote in network byte
  136                                  * order. */
  137     "uintptr_t",                /* The pointer to the struct sctp_nets *
  138                                  * changing */
  139     "int",                      /* The old value of the cwnd */
  140     "int");                     /* The new value of the cwnd */
  141 
  142 /********************************************************/
  143 /* Rwnd probe - tracks changes in the receiver window for an assoc */
  144 /********************************************************/
  145 SDT_PROBE_DEFINE4(sctp, rwnd, assoc, val,
  146     "uint32_t",                 /* The Vtag for this end */
  147     "uint32_t",                 /* The port number of the local side << 16 |
  148                                  * port number of remote in network byte
  149                                  * order. */
  150     "int",                      /* The up/down amount */
  151     "int");                     /* The new value of the cwnd */
  152 
  153 /********************************************************/
  154 /* flight probe - tracks changes in the flight size on a net or assoc */
  155 /********************************************************/
  156 SDT_PROBE_DEFINE5(sctp, flightsize, net, val,
  157     "uint32_t",                 /* The Vtag for this end */
  158     "uint32_t",                 /* The port number of the local side << 16 |
  159                                  * port number of remote in network byte
  160                                  * order. */
  161     "uintptr_t",                /* The pointer to the struct sctp_nets *
  162                                  * changing */
  163     "int",                      /* The up/down amount */
  164     "int");                     /* The new value of the cwnd */
  165 
  166 /********************************************************/
  167 /* The total flight version */
  168 /********************************************************/
  169 SDT_PROBE_DEFINE4(sctp, flightsize, assoc, val,
  170     "uint32_t",                 /* The Vtag for this end */
  171     "uint32_t",                 /* The port number of the local side << 16 |
  172                                  * port number of remote in network byte
  173                                  * order. */
  174     "int",                      /* The up/down amount */
  175     "int");                     /* The new value of the cwnd */
  176 
  177 #endif

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FreeBSD/Linux Kernel Cross Reference sys/netinet/sctp_dtrace_define.h

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sys/netinet/sctp_dtrace_define.h