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

     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
      * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions are met:
      *
     * a) Redistributions of source code must retain the above copyright notice,
     *    this list of conditions and the following disclaimer.
     *
     * b) Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in
     *    the documentation and/or other materials provided with the distribution.
     *
     * c) Neither the name of Cisco Systems, Inc. nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #ifndef _NETINET_SCTP_KDTRACE_H_
    #define _NETINET_SCTP_KDTRACE_H_
    
    #include <sys/kernel.h>
    #include <sys/sdt.h>
    
    #define SCTP_PROBE1(probe, arg0)                                        \
            SDT_PROBE1(sctp, , , probe, arg0)
    #define SCTP_PROBE2(probe, arg0, arg1)                                  \
            SDT_PROBE2(sctp, , , probe, arg0, arg1)
    #define SCTP_PROBE3(probe, arg0, arg1, arg2)                            \
            SDT_PROBE3(sctp, , , probe, arg0, arg1, arg2)
    #define SCTP_PROBE4(probe, arg0, arg1, arg2, arg3)                      \
            SDT_PROBE4(sctp, , , probe, arg0, arg1, arg2, arg3)
    #define SCTP_PROBE5(probe, arg0, arg1, arg2, arg3, arg4)                \
            SDT_PROBE5(sctp, , , probe, arg0, arg1, arg2, arg3, arg4)
    #define SCTP_PROBE6(probe, arg0, arg1, arg2, arg3, arg4, arg5)          \
            SDT_PROBE6(sctp, , , probe, arg0, arg1, arg2, arg3, arg4, arg5)
    
    /* Declare the SCTP provider */
    SDT_PROVIDER_DECLARE(sctp);
    
    /* The probes we have so far: */
    
    /* One to track a net's cwnd */
    /* initial */
    SDT_PROBE_DECLARE(sctp, cwnd, net, init);
    /* update at a ack -- increase */
    SDT_PROBE_DECLARE(sctp, cwnd, net, ack);
    /* update at a fast retransmit -- decrease */
    SDT_PROBE_DECLARE(sctp, cwnd, net, fr);
    /* update at a time-out -- decrease */
    SDT_PROBE_DECLARE(sctp, cwnd, net, to);
    /* update at a burst-limit -- decrease */
    SDT_PROBE_DECLARE(sctp, cwnd, net, bl);
    /* update at a ECN -- decrease */
    SDT_PROBE_DECLARE(sctp, cwnd, net, ecn);
    /* update at a Packet-Drop -- decrease */
    SDT_PROBE_DECLARE(sctp, cwnd, net, pd);
    /* Rttvar probe declaration */
    SDT_PROBE_DECLARE(sctp, cwnd, net, rttvar);
    SDT_PROBE_DECLARE(sctp, cwnd, net, rttstep);
    /* One to track an associations rwnd */
    SDT_PROBE_DECLARE(sctp, rwnd, assoc, val);
    /* One to track a net's flight size */
    SDT_PROBE_DECLARE(sctp, flightsize, net, val);
    /* One to track an associations flight size */
    SDT_PROBE_DECLARE(sctp, flightsize, assoc, val);
    /* Standard Solaris compatible probes */
    SDT_PROBE_DECLARE(sctp,,, receive);
    SDT_PROBE_DECLARE(sctp,,, send);
    SDT_PROBE_DECLARE(sctp,,, state__change);
    
    #endif

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