xref: /freebsd/sys/netinet/sctp_kdtrace.h (revision c3179e6660e1365111b89cb6c05c3a4c47375e73)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
5  * Copyright (c) 2008-2012, by Michael Tuexen. 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 are met:
9  *
10  * a) Redistributions of source code must retain the above copyright notice,
11  *    this list of conditions and the following disclaimer.
12  *
13  * b) Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the distribution.
16  *
17  * c) Neither the name of Cisco Systems, Inc. nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31  * THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef _NETINET_SCTP_KDTRACE_H_
35 #define _NETINET_SCTP_KDTRACE_H_
36 
37 #include <sys/kernel.h>
38 #include <sys/sdt.h>
39 
40 #define	SCTP_PROBE1(probe, arg0)					\
41 	SDT_PROBE1(sctp, , , probe, arg0)
42 #define	SCTP_PROBE2(probe, arg0, arg1)					\
43 	SDT_PROBE2(sctp, , , probe, arg0, arg1)
44 #define	SCTP_PROBE3(probe, arg0, arg1, arg2)				\
45 	SDT_PROBE3(sctp, , , probe, arg0, arg1, arg2)
46 #define	SCTP_PROBE4(probe, arg0, arg1, arg2, arg3)			\
47 	SDT_PROBE4(sctp, , , probe, arg0, arg1, arg2, arg3)
48 #define	SCTP_PROBE5(probe, arg0, arg1, arg2, arg3, arg4)		\
49 	SDT_PROBE5(sctp, , , probe, arg0, arg1, arg2, arg3, arg4)
50 #define	SCTP_PROBE6(probe, arg0, arg1, arg2, arg3, arg4, arg5)		\
51 	SDT_PROBE6(sctp, , , probe, arg0, arg1, arg2, arg3, arg4, arg5)
52 
53 /* Declare the SCTP provider */
54 SDT_PROVIDER_DECLARE(sctp);
55 
56 /* The probes we have so far: */
57 
58 /* One to track a net's cwnd */
59 /* initial */
60 SDT_PROBE_DECLARE(sctp, cwnd, net, init);
61 /* update at a ack -- increase */
62 SDT_PROBE_DECLARE(sctp, cwnd, net, ack);
63 /* update at a fast retransmit -- decrease */
64 SDT_PROBE_DECLARE(sctp, cwnd, net, fr);
65 /* update at a time-out -- decrease */
66 SDT_PROBE_DECLARE(sctp, cwnd, net, to);
67 /* update at a burst-limit -- decrease */
68 SDT_PROBE_DECLARE(sctp, cwnd, net, bl);
69 /* update at a ECN -- decrease */
70 SDT_PROBE_DECLARE(sctp, cwnd, net, ecn);
71 /* update at a Packet-Drop -- decrease */
72 SDT_PROBE_DECLARE(sctp, cwnd, net, pd);
73 /* Rttvar probe declaration */
74 SDT_PROBE_DECLARE(sctp, cwnd, net, rttvar);
75 SDT_PROBE_DECLARE(sctp, cwnd, net, rttstep);
76 /* One to track an associations rwnd */
77 SDT_PROBE_DECLARE(sctp, rwnd, assoc, val);
78 /* One to track a net's flight size */
79 SDT_PROBE_DECLARE(sctp, flightsize, net, val);
80 /* One to track an associations flight size */
81 SDT_PROBE_DECLARE(sctp, flightsize, assoc, val);
82 /* Standard Solaris compatible probes */
83 SDT_PROBE_DECLARE(sctp,,, receive);
84 SDT_PROBE_DECLARE(sctp,,, send);
85 SDT_PROBE_DECLARE(sctp,,, state__change);
86 
87 #endif
88