sys/netinet/sctp_kdtrace.c

   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("$FreeBSD$");
  36
  37 #include <sys/param.h>
  38 #include <sys/kernel.h>
  39 #include <sys/sdt.h>
  40
  41 SDT_PROVIDER_DEFINE(sctp);
  42
  43 /********************************************************/
  44 /* Cwnd probe - tracks changes in the congestion window on a netp */
  45 /********************************************************/
  46 /* Initial */
  47 SDT_PROBE_DEFINE5(sctp, cwnd, net, init,
  48     "uint32_t",                 /* The Vtag for this end */
  49     "uint32_t",                 /* The port number of the local side << 16 |
  50                                  * port number of remote in network byte
  51                                  * order. */
  52     "uintptr_t",                /* The pointer to the struct sctp_nets *
  53                                  * changing */
  54     "int",                      /* The old value of the cwnd */
  55     "int");                     /* The new value of the cwnd */
  56
  57 /* ACK-INCREASE */
  58 SDT_PROBE_DEFINE5(sctp, cwnd, net, ack,
  59     "uint32_t",                 /* The Vtag for this end */
  60     "uint32_t",                 /* The port number of the local side << 16 |
  61                                  * port number of remote in network byte
  62                                  * order. */
  63     "uintptr_t",                /* The pointer to the struct sctp_nets *
  64                                  * changing */
  65     "int",                      /* The old value of the cwnd */
  66     "int");                     /* The new value of the cwnd */
  67
  68 /* ACK-INCREASE */
  69 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttvar,
  70     "uint64_t",                 /* The Vtag << 32 | localport << 16 |
  71                                  * remoteport */
  72     "uint64_t",                 /* obw | nbw */
  73     "uint64_t",                 /* bwrtt | newrtt */
  74     "uint64_t",                 /* flight */
  75     "uint64_t");                /* (cwnd << 32) | point << 16 | retval(0/1) */
  76
  77 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttstep,
  78     "uint64_t",                 /* The Vtag << 32 | localport << 16 |
  79                                  * remoteport */
  80     "uint64_t",                 /* obw | nbw */
  81     "uint64_t",                 /* bwrtt | newrtt */
  82     "uint64_t",                 /* flight */
  83     "uint64_t");                /* (cwnd << 32) | point << 16 | retval(0/1) */
  84
  85 /* FastRetransmit-DECREASE */
  86 SDT_PROBE_DEFINE5(sctp, cwnd, net, fr,
  87     "uint32_t",                 /* The Vtag for this end */
  88     "uint32_t",                 /* The port number of the local side << 16 |
  89                                  * port number of remote in network byte
  90                                  * order. */
  91     "uintptr_t",                /* The pointer to the struct sctp_nets *
  92                                  * changing */
  93     "int",                      /* The old value of the cwnd */
  94     "int");                     /* The new value of the cwnd */
  95
  96 /* TimeOut-DECREASE */
  97 SDT_PROBE_DEFINE5(sctp, cwnd, net, to,
  98     "uint32_t",                 /* The Vtag for this end */
  99     "uint32_t",                 /* The port number of the local side << 16 |
 100                                  * port number of remote in network byte
 101                                  * order. */
 102     "uintptr_t",                /* The pointer to the struct sctp_nets *
 103                                  * changing */
 104     "int",                      /* The old value of the cwnd */
 105     "int");                     /* The new value of the cwnd */
 106
 107 /* BurstLimit-DECREASE */
 108 SDT_PROBE_DEFINE5(sctp, cwnd, net, bl,
 109     "uint32_t",                 /* The Vtag for this end */
 110     "uint32_t",                 /* The port number of the local side << 16 |
 111                                  * port number of remote in network byte
 112                                  * order. */
 113     "uintptr_t",                /* The pointer to the struct sctp_nets *
 114                                  * changing */
 115     "int",                      /* The old value of the cwnd */
 116     "int");                     /* The new value of the cwnd */
 117
 118 /* ECN-DECREASE */
 119 SDT_PROBE_DEFINE5(sctp, cwnd, net, ecn,
 120     "uint32_t",                 /* The Vtag for this end */
 121     "uint32_t",                 /* The port number of the local side << 16 |
 122                                  * port number of remote in network byte
 123                                  * order. */
 124     "uintptr_t",                /* The pointer to the struct sctp_nets *
 125                                  * changing */
 126     "int",                      /* The old value of the cwnd */
 127     "int");                     /* The new value of the cwnd */
 128
 129 /* PacketDrop-DECREASE */
 130 SDT_PROBE_DEFINE5(sctp, cwnd, net, pd,
 131     "uint32_t",                 /* The Vtag for this end */
 132     "uint32_t",                 /* The port number of the local side << 16 |
 133                                  * port number of remote in network byte
 134                                  * order. */
 135     "uintptr_t",                /* The pointer to the struct sctp_nets *
 136                                  * changing */
 137     "int",                      /* The old value of the cwnd */
 138     "int");                     /* The new value of the cwnd */
 139
 140 /********************************************************/
 141 /* Rwnd probe - tracks changes in the receiver window for an assoc */
 142 /********************************************************/
 143 SDT_PROBE_DEFINE4(sctp, rwnd, assoc, val,
 144     "uint32_t",                 /* The Vtag for this end */
 145     "uint32_t",                 /* The port number of the local side << 16 |
 146                                  * port number of remote in network byte
 147                                  * order. */
 148     "int",                      /* The up/down amount */
 149     "int");                     /* The new value of the cwnd */
 150
 151 /********************************************************/
 152 /* flight probe - tracks changes in the flight size on a net or assoc */
 153 /********************************************************/
 154 SDT_PROBE_DEFINE5(sctp, flightsize, net, val,
 155     "uint32_t",                 /* The Vtag for this end */
 156     "uint32_t",                 /* The port number of the local side << 16 |
 157                                  * port number of remote in network byte
 158                                  * order. */
 159     "uintptr_t",                /* The pointer to the struct sctp_nets *
 160                                  * changing */
 161     "int",                      /* The up/down amount */
 162     "int");                     /* The new value of the cwnd */
 163
 164 /********************************************************/
 165 /* The total flight version */
 166 /********************************************************/
 167 SDT_PROBE_DEFINE4(sctp, flightsize, assoc, val,
 168     "uint32_t",                 /* The Vtag for this end */
 169     "uint32_t",                 /* The port number of the local side << 16 |
 170                                  * port number of remote in network byte
 171                                  * order. */
 172     "int",                      /* The up/down amount */
 173     "int");                     /* The new value of the cwnd */
 174
 175 /*
 176  * Standard Solaris-compatible probes.
 177  */
 178
 179 SDT_PROBE_DEFINE5_XLATE(sctp,,, receive,
 180     "void *", "pktinfo_t *",
 181     "struct sctp_tcb *", "csinfo_t *",
 182     "struct mbuf *", "ipinfo_t *",
 183     "struct sctp_tcb *", "sctpsinfo_t *",
 184     "struct sctphdr *", "sctpinfo_t *");
 185
 186 SDT_PROBE_DEFINE5_XLATE(sctp,,, send,
 187     "void *", "pktinfo_t *",
 188     "struct sctp_tcb *", "csinfo_t *",
 189     "uint8_t *", "ipinfo_t *",
 190     "struct sctp_tcb *", "sctpsinfo_t *",
 191     "struct sctphdr *", "sctpinfo_t *");
 192
 193 SDT_PROBE_DEFINE6_XLATE(sctp,,, state__change,
 194     "void *", "void *",
 195     "struct sctp_tcb *", "csinfo_t *",
 196     "void *", "void *",
 197     "struct sctp_tcb *", "sctpsinfo_t *",
 198     "void *", "void *",
 199     "int", "sctplsinfo_t *");