tcp_debug.h revision 330897 
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 * 4. 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: stable/11/sys/netinet/tcp_debug.h 330897 2018-03-14 03:19:51Z eadler $
33 */
34
35#ifndef _NETINET_TCP_DEBUG_H_
36#define	_NETINET_TCP_DEBUG_H_
37
38struct	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
70static 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. */
78struct	tcp_debug tcp_debug[TCP_NDEBUG];
79int	tcp_debx;
80#endif
81
82#endif /* !_NETINET_TCP_DEBUG_H_ */
83