xref: /freebsd/sys/netinet/in_kdtrace.h (revision 058ac3e8063366dafa634d9107642e12b038bf09)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2013 Mark Johnston <markj@FreeBSD.org>
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions 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
13  *    distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef _SYS_IN_KDTRACE_H_
31 #define	_SYS_IN_KDTRACE_H_
32 
33 #define	IP_PROBE(probe, arg0, arg1, arg2, arg3, arg4, arg5)		\
34 	SDT_PROBE6(ip, , , probe, arg0, arg1, arg2, arg3, arg4, arg5)
35 #define	UDP_PROBE(probe, arg0, arg1, arg2, arg3, arg4)			\
36 	SDT_PROBE5(udp, , , probe, arg0, arg1, arg2, arg3, arg4)
37 #define	UDPLITE_PROBE(probe, arg0, arg1, arg2, arg3, arg4)		\
38 	SDT_PROBE5(udplite, , , probe, arg0, arg1, arg2, arg3, arg4)
39 #define	TCP_PROBE1(probe, arg0)						\
40 	SDT_PROBE1(tcp, , , probe, arg0)
41 #define	TCP_PROBE2(probe, arg0, arg1)					\
42 	SDT_PROBE2(tcp, , , probe, arg0, arg1)
43 #define	TCP_PROBE3(probe, arg0, arg1, arg2)				\
44 	SDT_PROBE3(tcp, , , probe, arg0, arg1, arg2)
45 #define	TCP_PROBE4(probe, arg0, arg1, arg2, arg3)			\
46 	SDT_PROBE4(tcp, , , probe, arg0, arg1, arg2, arg3)
47 #define	TCP_PROBE5(probe, arg0, arg1, arg2, arg3, arg4)			\
48 	SDT_PROBE5(tcp, , , probe, arg0, arg1, arg2, arg3, arg4)
49 #define	TCP_PROBE6(probe, arg0, arg1, arg2, arg3, arg4, arg5)		\
50 	SDT_PROBE6(tcp, , , probe, arg0, arg1, arg2, arg3, arg4, arg5)
51 
52 SDT_PROVIDER_DECLARE(ip);
53 SDT_PROVIDER_DECLARE(tcp);
54 SDT_PROVIDER_DECLARE(udp);
55 SDT_PROVIDER_DECLARE(udplite);
56 
57 SDT_PROBE_DECLARE(ip, , , receive);
58 SDT_PROBE_DECLARE(ip, , , send);
59 
60 SDT_PROBE_DECLARE(tcp, , , accept__established);
61 SDT_PROBE_DECLARE(tcp, , , accept__refused);
62 SDT_PROBE_DECLARE(tcp, , , connect__established);
63 SDT_PROBE_DECLARE(tcp, , , connect__refused);
64 SDT_PROBE_DECLARE(tcp, , , connect__request);
65 SDT_PROBE_DECLARE(tcp, , , receive);
66 SDT_PROBE_DECLARE(tcp, , , send);
67 SDT_PROBE_DECLARE(tcp, , , siftr);
68 SDT_PROBE_DECLARE(tcp, , , state__change);
69 SDT_PROBE_DECLARE(tcp, , , debug__input);
70 SDT_PROBE_DECLARE(tcp, , , debug__output);
71 SDT_PROBE_DECLARE(tcp, , , debug__user);
72 SDT_PROBE_DECLARE(tcp, , , debug__drop);
73 SDT_PROBE_DECLARE(tcp, , , receive__autoresize);
74 
75 SDT_PROBE_DECLARE(udp, , , receive);
76 SDT_PROBE_DECLARE(udp, , , send);
77 
78 SDT_PROBE_DECLARE(udplite, , , receive);
79 SDT_PROBE_DECLARE(udplite, , , send);
80 
81 /*
82  * These constants originate from the 4.4BSD sys/protosw.h.  They lost
83  * their initial purpose in 2c37256e5a59, when single pr_usrreq method
84  * was split into multiple methods.  However, they were used by TCPDEBUG,
85  * a feature barely used, but it kept them in the tree for many years.
86  * In 5d06879adb95 DTrace probes started to use them.  Note that they
87  * are not documented in dtrace_tcp(4), so they are likely to be
88  * eventually renamed to something better and extended/trimmed.
89  */
90 #define	PRU_ATTACH		0	/* attach protocol to up */
91 #define	PRU_DETACH		1	/* detach protocol from up */
92 #define	PRU_BIND		2	/* bind socket to address */
93 #define	PRU_LISTEN		3	/* listen for connection */
94 #define	PRU_CONNECT		4	/* establish connection to peer */
95 #define	PRU_ACCEPT		5	/* accept connection from peer */
96 #define	PRU_DISCONNECT		6	/* disconnect from peer */
97 #define	PRU_SHUTDOWN		7	/* won't send any more data */
98 #define	PRU_RCVD		8	/* have taken data; more room now */
99 #define	PRU_SEND		9	/* send this data */
100 #define	PRU_ABORT		10	/* abort (fast DISCONNECT, DETATCH) */
101 #define	PRU_CONTROL		11	/* control operations on protocol */
102 #define	PRU_SENSE		12	/* return status into m */
103 #define	PRU_RCVOOB		13	/* retrieve out of band data */
104 #define	PRU_SENDOOB		14	/* send out of band data */
105 #define	PRU_SOCKADDR		15	/* fetch socket's address */
106 #define	PRU_PEERADDR		16	/* fetch peer's address */
107 #define	PRU_CONNECT2		17	/* connect two sockets */
108 /* begin for protocols internal use */
109 #define	PRU_FASTTIMO		18	/* 200ms timeout */
110 #define	PRU_SLOWTIMO		19	/* 500ms timeout */
111 #define	PRU_PROTORCV		20	/* receive from below */
112 #define	PRU_PROTOSEND		21	/* send to below */
113 /* end for protocol's internal use */
114 #define PRU_SEND_EOF		22	/* send and close */
115 #define	PRU_SOSETLABEL		23	/* MAC label change */
116 #define	PRU_CLOSE		24	/* socket close */
117 #define	PRU_FLUSH		25	/* flush the socket */
118 #define	PRU_NREQ		25
119 
120 #ifdef PRUREQUESTS
121 const char *prurequests[] = {
122 	"ATTACH",	"DETACH",	"BIND",		"LISTEN",
123 	"CONNECT",	"ACCEPT",	"DISCONNECT",	"SHUTDOWN",
124 	"RCVD",		"SEND",		"ABORT",	"CONTROL",
125 	"SENSE",	"RCVOOB",	"SENDOOB",	"SOCKADDR",
126 	"PEERADDR",	"CONNECT2",	"FASTTIMO",	"SLOWTIMO",
127 	"PROTORCV",	"PROTOSEND",	"SEND_EOF",	"SOSETLABEL",
128 	"CLOSE",	"FLUSH",
129 };
130 #endif
131 
132 #endif
133