The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 1982, 1986, 1993
    5  *      The Regents of the University of California.  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
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      @(#)tcp_debug.h 8.1 (Berkeley) 6/10/93
   32  * $FreeBSD$
   33  */
   34 
   35 #ifndef _NETINET_TCP_DEBUG_H_
   36 #define _NETINET_TCP_DEBUG_H_
   37 
   38 struct  tcp_debug {
   39         uint32_t        td_time;        /* network format */
   40         short   td_act;
   41         short   td_ostate;
   42         caddr_t td_tcb;
   43         int     td_family;
   44         /*
   45          * Co-existense of td_ti and td_ti6 below is ugly, but it is necessary
   46          * to achieve backword compatibility to some extent.
   47          */
   48         struct  tcpiphdr td_ti;
   49         struct {
   50 #define IP6_HDR_LEN     40      /* sizeof(struct ip6_hdr) */
   51 #if !defined(_KERNEL) && defined(INET6)
   52                 struct  ip6_hdr ip6;
   53 #else
   54                 u_char  ip6buf[IP6_HDR_LEN];
   55 #endif
   56                 struct  tcphdr th;
   57         } td_ti6;
   58 #define td_ip6buf       td_ti6.ip6buf
   59         short   td_req;
   60         struct  tcpcb td_cb;
   61 };
   62 
   63 #define TA_INPUT        0
   64 #define TA_OUTPUT       1
   65 #define TA_USER         2
   66 #define TA_RESPOND      3
   67 #define TA_DROP         4
   68 
   69 #ifdef TANAMES
   70 static const char       *tanames[] =
   71     { "input", "output", "user", "respond", "drop" };
   72 #endif
   73 
   74 #define TCP_NDEBUG 100
   75 
   76 #ifndef _KERNEL
   77 /* XXX common variables for broken applications. */
   78 struct  tcp_debug tcp_debug[TCP_NDEBUG];
   79 int     tcp_debx;
   80 #endif
   81 
   82 #endif /* !_NETINET_TCP_DEBUG_H_ */

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