tcp_debug.h revision 331722 
1/*-
2 * Copyright (c) 1982, 1986, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	@(#)tcp_debug.h	8.1 (Berkeley) 6/10/93
30 * $FreeBSD: stable/11/sys/netinet/tcp_debug.h 331722 2018-03-29 02:50:57Z eadler $
31 */
32
33#ifndef _NETINET_TCP_DEBUG_H_
34#define	_NETINET_TCP_DEBUG_H_
35
36struct	tcp_debug {
37	uint32_t	td_time;	/* network format */
38	short	td_act;
39	short	td_ostate;
40	caddr_t	td_tcb;
41	int	td_family;
42	/*
43	 * Co-existense of td_ti and td_ti6 below is ugly, but it is necessary
44	 * to achieve backword compatibility to some extent.
45	 */
46	struct	tcpiphdr td_ti;
47	struct {
48#define	IP6_HDR_LEN	40	/* sizeof(struct ip6_hdr) */
49#if !defined(_KERNEL) && defined(INET6)
50		struct	ip6_hdr ip6;
51#else
52		u_char	ip6buf[IP6_HDR_LEN];
53#endif
54		struct	tcphdr th;
55	} td_ti6;
56#define	td_ip6buf	td_ti6.ip6buf
57	short	td_req;
58	struct	tcpcb td_cb;
59};
60
61#define	TA_INPUT	0
62#define	TA_OUTPUT	1
63#define	TA_USER		2
64#define	TA_RESPOND	3
65#define	TA_DROP		4
66
67#ifdef TANAMES
68static const char	*tanames[] =
69    { "input", "output", "user", "respond", "drop" };
70#endif
71
72#define	TCP_NDEBUG 100
73
74#ifndef _KERNEL
75/* XXX common variables for broken applications. */
76struct	tcp_debug tcp_debug[TCP_NDEBUG];
77int	tcp_debx;
78#endif
79
80#endif /* !_NETINET_TCP_DEBUG_H_ */
81