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

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2013 Mark Johnston <markj@FreeBSD.org>
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _SYS_IN_KDTRACE_H_
    #define _SYS_IN_KDTRACE_H_
    
    #define IP_PROBE(probe, arg0, arg1, arg2, arg3, arg4, arg5)             \
            SDT_PROBE6(ip, , , probe, arg0, arg1, arg2, arg3, arg4, arg5)
    #define UDP_PROBE(probe, arg0, arg1, arg2, arg3, arg4)                  \
            SDT_PROBE5(udp, , , probe, arg0, arg1, arg2, arg3, arg4)
    #define UDPLITE_PROBE(probe, arg0, arg1, arg2, arg3, arg4)              \
            SDT_PROBE5(udplite, , , 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)           \
            SDT_PROBE6(tcp, , , probe, arg0, arg1, arg2, arg3, arg4, arg5)
    
    SDT_PROVIDER_DECLARE(ip);
    SDT_PROVIDER_DECLARE(tcp);
    SDT_PROVIDER_DECLARE(udp);
    SDT_PROVIDER_DECLARE(udplite);
    
    SDT_PROBE_DECLARE(ip, , , receive);
    SDT_PROBE_DECLARE(ip, , , send);
    
    SDT_PROBE_DECLARE(tcp, , , accept__established);
    SDT_PROBE_DECLARE(tcp, , , accept__refused);
    SDT_PROBE_DECLARE(tcp, , , connect__established);
    SDT_PROBE_DECLARE(tcp, , , connect__refused);
    SDT_PROBE_DECLARE(tcp, , , connect__request);
    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(tcp, , , receive__autoresize);
    
    SDT_PROBE_DECLARE(udp, , , receive);
    SDT_PROBE_DECLARE(udp, , , send);
    
    SDT_PROBE_DECLARE(udplite, , , receive);
    SDT_PROBE_DECLARE(udplite, , , send);
    
    /*
     * These constants originate from the 4.4BSD sys/protosw.h.  They lost
     * their initial purpose in 2c37256e5a59, when single pr_usrreq method
     * was split into multiple methods.  However, they were used by TCPDEBUG,
     * a feature barely used, but it kept them in the tree for many years.
     * In 5d06879adb95 DTrace probes started to use them.  Note that they
     * are not documented in dtrace_tcp(4), so they are likely to be
     * eventually renamed to something better and extended/trimmed.
     */
    #define PRU_ATTACH              0       /* attach protocol to up */
    #define PRU_DETACH              1       /* detach protocol from up */
    #define PRU_BIND                2       /* bind socket to address */
    #define PRU_LISTEN              3       /* listen for connection */
    #define PRU_CONNECT             4       /* establish connection to peer */
    #define PRU_ACCEPT              5       /* accept connection from peer */
    #define PRU_DISCONNECT          6       /* disconnect from peer */
    #define PRU_SHUTDOWN            7       /* won't send any more data */
    #define PRU_RCVD                8       /* have taken data; more room now */
    #define PRU_SEND                9       /* send this data */
   #define PRU_ABORT               10      /* abort (fast DISCONNECT, DETATCH) */
   #define PRU_CONTROL             11      /* control operations on protocol */
   #define PRU_SENSE               12      /* return status into m */
   #define PRU_RCVOOB              13      /* retrieve out of band data */
   #define PRU_SENDOOB             14      /* send out of band data */
   #define PRU_SOCKADDR            15      /* fetch socket's address */
   #define PRU_PEERADDR            16      /* fetch peer's address */
   #define PRU_CONNECT2            17      /* connect two sockets */
   /* begin for protocols internal use */
   #define PRU_FASTTIMO            18      /* 200ms timeout */
   #define PRU_SLOWTIMO            19      /* 500ms timeout */
   #define PRU_PROTORCV            20      /* receive from below */
   #define PRU_PROTOSEND           21      /* send to below */
   /* end for protocol's internal use */
   #define PRU_SEND_EOF            22      /* send and close */
   #define PRU_SOSETLABEL          23      /* MAC label change */
   #define PRU_CLOSE               24      /* socket close */
   #define PRU_FLUSH               25      /* flush the socket */
   #define PRU_NREQ                25
   
   #ifdef PRUREQUESTS
   const char *prurequests[] = {
           "ATTACH",       "DETACH",       "BIND",         "LISTEN",
           "CONNECT",      "ACCEPT",       "DISCONNECT",   "SHUTDOWN",
           "RCVD",         "SEND",         "ABORT",        "CONTROL",
           "SENSE",        "RCVOOB",       "SENDOOB",      "SOCKADDR",
           "PEERADDR",     "CONNECT2",     "FASTTIMO",     "SLOWTIMO",
           "PROTORCV",     "PROTOSEND",    "SEND_EOF",     "SOSETLABEL",
           "CLOSE",        "FLUSH",
   };
   #endif
   
   #endif

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