2 * Copyright (c) 2010, by Randall Stewart & Michael Tuexen,
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * a) Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
11 * b) Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the distribution.
15 * c) Neither the name of Cisco Systems, Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 #ifndef __sctp_dtrace_define_h__
34 #include "opt_kdtrace.h"
35 #include <sys/kernel.h>
38 SDT_PROVIDER_DEFINE(sctp);
40 /********************************************************/
41 /* Cwnd probe - tracks changes in the congestion window on a netp */
42 /********************************************************/
44 SDT_PROBE_DEFINE(sctp, cwnd, net, init, init);
45 /* The Vtag for this end */
46 SDT_PROBE_ARGTYPE(sctp, cwnd, net, init, 0, "uint32_t");
47 /* The port number of the local side << 16 | port number of remote
48 * in network byte order.
50 SDT_PROBE_ARGTYPE(sctp, cwnd, net, init, 1, "uint32_t");
51 /* The pointer to the struct sctp_nets * changing */
52 SDT_PROBE_ARGTYPE(sctp, cwnd, net, init, 2, "uintptr_t");
53 /* The old value of the cwnd */
54 SDT_PROBE_ARGTYPE(sctp, cwnd, net, init, 3, "int");
55 /* The new value of the cwnd */
56 SDT_PROBE_ARGTYPE(sctp, cwnd, net, init, 4, "int");
60 SDT_PROBE_DEFINE(sctp, cwnd, net, ack, ack);
61 /* The Vtag for this end */
62 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ack, 0, "uint32_t");
63 /* The port number of the local side << 16 | port number of remote
64 * in network byte order.
66 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ack, 1, "uint32_t");
67 /* The pointer to the struct sctp_nets * changing */
68 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ack, 2, "uintptr_t");
69 /* The old value of the cwnd */
70 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ack, 3, "int");
71 /* The new value of the cwnd */
72 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ack, 4, "int");
74 /* FastRetransmit-DECREASE */
75 SDT_PROBE_DEFINE(sctp, cwnd, net, fr, fr);
76 /* The Vtag for this end */
77 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 0, "uint32_t");
78 /* The port number of the local side << 16 | port number of remote
79 * in network byte order.
81 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 1, "uint32_t");
82 /* The pointer to the struct sctp_nets * changing */
83 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 2, "uintptr_t");
84 /* The old value of the cwnd */
85 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 3, "int");
86 /* The new value of the cwnd */
87 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 4, "int");
90 /* TimeOut-DECREASE */
91 SDT_PROBE_DEFINE(sctp, cwnd, net, to, to);
92 /* The Vtag for this end */
93 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 0, "uint32_t");
94 /* The port number of the local side << 16 | port number of remote
95 * in network byte order.
97 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 1, "uint32_t");
98 /* The pointer to the struct sctp_nets * changing */
99 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 2, "uintptr_t");
100 /* The old value of the cwnd */
101 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 3, "int");
102 /* The new value of the cwnd */
103 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 4, "int");
106 /* BurstLimit-DECREASE */
107 SDT_PROBE_DEFINE(sctp, cwnd, net, bl, bl);
108 /* The Vtag for this end */
109 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 0, "uint32_t");
110 /* The port number of the local side << 16 | port number of remote
111 * in network byte order.
113 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 1, "uint32_t");
114 /* The pointer to the struct sctp_nets * changing */
115 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 2, "uintptr_t");
116 /* The old value of the cwnd */
117 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 3, "int");
118 /* The new value of the cwnd */
119 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 4, "int");
123 SDT_PROBE_DEFINE(sctp, cwnd, net, ecn, ecn);
124 /* The Vtag for this end */
125 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 0, "uint32_t");
126 /* The port number of the local side << 16 | port number of remote
127 * in network byte order.
129 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 1, "uint32_t");
130 /* The pointer to the struct sctp_nets * changing */
131 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 2, "uintptr_t");
132 /* The old value of the cwnd */
133 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 3, "int");
134 /* The new value of the cwnd */
135 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 4, "int");
138 /* PacketDrop-DECREASE */
139 SDT_PROBE_DEFINE(sctp, cwnd, net, pd, pd);
140 /* The Vtag for this end */
141 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 0, "uint32_t");
142 /* The port number of the local side << 16 | port number of remote
143 * in network byte order.
145 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 1, "uint32_t");
146 /* The pointer to the struct sctp_nets * changing */
147 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 2, "uintptr_t");
148 /* The old value of the cwnd */
149 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 3, "int");
150 /* The new value of the cwnd */
151 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 4, "int");
155 /********************************************************/
156 /* Rwnd probe - tracks changes in the receiver window for an assoc */
157 /********************************************************/
158 SDT_PROBE_DEFINE(sctp, rwnd, assoc, val, val);
159 /* The Vtag for this end */
160 SDT_PROBE_ARGTYPE(sctp, rwnd, assoc, val, 0, "uint32_t");
161 /* The port number of the local side << 16 | port number of remote
162 * in network byte order.
164 SDT_PROBE_ARGTYPE(sctp, rwnd, assoc, val, 1, "uint32_t");
165 /* The up/down amount */
166 SDT_PROBE_ARGTYPE(sctp, rwnd, assoc, val, 2, "int");
167 /* The new value of the cwnd */
168 SDT_PROBE_ARGTYPE(sctp, rwnd, assoc, val, 3, "int");
170 /********************************************************/
171 /* flight probe - tracks changes in the flight size on a net or assoc */
172 /********************************************************/
173 SDT_PROBE_DEFINE(sctp, flightsize, net, val, val);
174 /* The Vtag for this end */
175 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 0, "uint32_t");
176 /* The port number of the local side << 16 | port number of remote
177 * in network byte order.
179 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 1, "uint32_t");
180 /* The pointer to the struct sctp_nets * changing */
181 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 2, "uintptr_t");
182 /* The up/down amount */
183 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 3, "int");
184 /* The new value of the cwnd */
185 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 4, "int");
186 /********************************************************/
187 /* The total flight version */
188 /********************************************************/
189 SDT_PROBE_DEFINE(sctp, flightsize, assoc, val, val);
190 /* The Vtag for this end */
191 SDT_PROBE_ARGTYPE(sctp, flightsize, assoc, val, 0, "uint32_t");
192 /* The port number of the local side << 16 | port number of remote
193 * in network byte order.
195 SDT_PROBE_ARGTYPE(sctp, flightsize, assoc, val, 1, "uint32_t");
196 /* The up/down amount */
197 SDT_PROBE_ARGTYPE(sctp, flightsize, assoc, val, 2, "int");
198 /* The new value of the cwnd */
199 SDT_PROBE_ARGTYPE(sctp, flightsize, assoc, val, 3, "int");