sys/netinet/sctp_kdtrace.h

   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 #ifndef _NETINET_SCTP_KDTRACE_H_
  35 #define _NETINET_SCTP_KDTRACE_H_
  36
  37 #include <sys/kernel.h>
  38 #include <sys/sdt.h>
  39
  40 #define SCTP_PROBE1(probe, arg0)                                        \
  41         SDT_PROBE1(sctp, , , probe, arg0)
  42 #define SCTP_PROBE2(probe, arg0, arg1)                                  \
  43         SDT_PROBE2(sctp, , , probe, arg0, arg1)
  44 #define SCTP_PROBE3(probe, arg0, arg1, arg2)                            \
  45         SDT_PROBE3(sctp, , , probe, arg0, arg1, arg2)
  46 #define SCTP_PROBE4(probe, arg0, arg1, arg2, arg3)                      \
  47         SDT_PROBE4(sctp, , , probe, arg0, arg1, arg2, arg3)
  48 #define SCTP_PROBE5(probe, arg0, arg1, arg2, arg3, arg4)                \
  49         SDT_PROBE5(sctp, , , probe, arg0, arg1, arg2, arg3, arg4)
  50 #define SCTP_PROBE6(probe, arg0, arg1, arg2, arg3, arg4, arg5)          \
  51         SDT_PROBE6(sctp, , , probe, arg0, arg1, arg2, arg3, arg4, arg5)
  52
  53 /* Declare the SCTP provider */
  54 SDT_PROVIDER_DECLARE(sctp);
  55
  56 /* The probes we have so far: */
  57
  58 /* One to track a net's cwnd */
  59 /* initial */
  60 SDT_PROBE_DECLARE(sctp, cwnd, net, init);
  61 /* update at a ack -- increase */
  62 SDT_PROBE_DECLARE(sctp, cwnd, net, ack);
  63 /* update at a fast retransmit -- decrease */
  64 SDT_PROBE_DECLARE(sctp, cwnd, net, fr);
  65 /* update at a time-out -- decrease */
  66 SDT_PROBE_DECLARE(sctp, cwnd, net, to);
  67 /* update at a burst-limit -- decrease */
  68 SDT_PROBE_DECLARE(sctp, cwnd, net, bl);
  69 /* update at a ECN -- decrease */
  70 SDT_PROBE_DECLARE(sctp, cwnd, net, ecn);
  71 /* update at a Packet-Drop -- decrease */
  72 SDT_PROBE_DECLARE(sctp, cwnd, net, pd);
  73 /* Rttvar probe declaration */
  74 SDT_PROBE_DECLARE(sctp, cwnd, net, rttvar);
  75 SDT_PROBE_DECLARE(sctp, cwnd, net, rttstep);
  76 /* One to track an associations rwnd */
  77 SDT_PROBE_DECLARE(sctp, rwnd, assoc, val);
  78 /* One to track a net's flight size */
  79 SDT_PROBE_DECLARE(sctp, flightsize, net, val);
  80 /* One to track an associations flight size */
  81 SDT_PROBE_DECLARE(sctp, flightsize, assoc, val);
  82 /* Standard Solaris compatible probes */
  83 SDT_PROBE_DECLARE(sctp,,, receive);
  84 SDT_PROBE_DECLARE(sctp,,, send);
  85 SDT_PROBE_DECLARE(sctp,,, state__change);
  86
  87 #endif