xref: /f-stack/freebsd/netinet/tcp_debug.h (revision 22ce4aff)
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_ */
83