2 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
3 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved.
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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28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
29 * THE POSSIBILITY OF SUCH DAMAGE.
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");
76 SDT_PROBE_DEFINE(sctp, cwnd, net, rttvar, rttvar);
77 /* The Vtag << 32 | localport << 16 | remoteport */
78 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttvar, 0, "uint64_t");
80 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttvar, 1, "uint64_t");
82 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttvar, 2, "uint64_t");
84 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttvar, 3, "uint64_t");
85 /* (cwnd << 32) | point << 16 | retval(0/1) */
86 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttvar, 4, "uint64_t");
89 SDT_PROBE_DEFINE(sctp, cwnd, net, rttstep, rttstep);
90 /* The Vtag << 32 | localport << 16 | remoteport */
91 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttstep, 0, "uint64_t");
93 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttstep, 1, "uint64_t");
95 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttstep, 2, "uint64_t");
96 /* cwnd_saved | stepcnt << 16 | oldstep */
97 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttstep, 3, "uint64_t");
98 /* (cwnd << 32) | point << 16 | retval(0/1) */
99 SDT_PROBE_ARGTYPE(sctp, cwnd, net, rttstep, 4, "uint64_t");
102 /* FastRetransmit-DECREASE */
103 SDT_PROBE_DEFINE(sctp, cwnd, net, fr, fr);
104 /* The Vtag for this end */
105 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 0, "uint32_t");
106 /* The port number of the local side << 16 | port number of remote
107 * in network byte order.
109 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 1, "uint32_t");
110 /* The pointer to the struct sctp_nets * changing */
111 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 2, "uintptr_t");
112 /* The old value of the cwnd */
113 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 3, "int");
114 /* The new value of the cwnd */
115 SDT_PROBE_ARGTYPE(sctp, cwnd, net, fr, 4, "int");
118 /* TimeOut-DECREASE */
119 SDT_PROBE_DEFINE(sctp, cwnd, net, to, to);
120 /* The Vtag for this end */
121 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 0, "uint32_t");
122 /* The port number of the local side << 16 | port number of remote
123 * in network byte order.
125 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 1, "uint32_t");
126 /* The pointer to the struct sctp_nets * changing */
127 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 2, "uintptr_t");
128 /* The old value of the cwnd */
129 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 3, "int");
130 /* The new value of the cwnd */
131 SDT_PROBE_ARGTYPE(sctp, cwnd, net, to, 4, "int");
134 /* BurstLimit-DECREASE */
135 SDT_PROBE_DEFINE(sctp, cwnd, net, bl, bl);
136 /* The Vtag for this end */
137 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 0, "uint32_t");
138 /* The port number of the local side << 16 | port number of remote
139 * in network byte order.
141 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 1, "uint32_t");
142 /* The pointer to the struct sctp_nets * changing */
143 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 2, "uintptr_t");
144 /* The old value of the cwnd */
145 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 3, "int");
146 /* The new value of the cwnd */
147 SDT_PROBE_ARGTYPE(sctp, cwnd, net, bl, 4, "int");
151 SDT_PROBE_DEFINE(sctp, cwnd, net, ecn, ecn);
152 /* The Vtag for this end */
153 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 0, "uint32_t");
154 /* The port number of the local side << 16 | port number of remote
155 * in network byte order.
157 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 1, "uint32_t");
158 /* The pointer to the struct sctp_nets * changing */
159 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 2, "uintptr_t");
160 /* The old value of the cwnd */
161 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 3, "int");
162 /* The new value of the cwnd */
163 SDT_PROBE_ARGTYPE(sctp, cwnd, net, ecn, 4, "int");
166 /* PacketDrop-DECREASE */
167 SDT_PROBE_DEFINE(sctp, cwnd, net, pd, pd);
168 /* The Vtag for this end */
169 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 0, "uint32_t");
170 /* The port number of the local side << 16 | port number of remote
171 * in network byte order.
173 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 1, "uint32_t");
174 /* The pointer to the struct sctp_nets * changing */
175 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 2, "uintptr_t");
176 /* The old value of the cwnd */
177 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 3, "int");
178 /* The new value of the cwnd */
179 SDT_PROBE_ARGTYPE(sctp, cwnd, net, pd, 4, "int");
183 /********************************************************/
184 /* Rwnd probe - tracks changes in the receiver window for an assoc */
185 /********************************************************/
186 SDT_PROBE_DEFINE(sctp, rwnd, assoc, val, val);
187 /* The Vtag for this end */
188 SDT_PROBE_ARGTYPE(sctp, rwnd, assoc, val, 0, "uint32_t");
189 /* The port number of the local side << 16 | port number of remote
190 * in network byte order.
192 SDT_PROBE_ARGTYPE(sctp, rwnd, assoc, val, 1, "uint32_t");
193 /* The up/down amount */
194 SDT_PROBE_ARGTYPE(sctp, rwnd, assoc, val, 2, "int");
195 /* The new value of the cwnd */
196 SDT_PROBE_ARGTYPE(sctp, rwnd, assoc, val, 3, "int");
198 /********************************************************/
199 /* flight probe - tracks changes in the flight size on a net or assoc */
200 /********************************************************/
201 SDT_PROBE_DEFINE(sctp, flightsize, net, val, val);
202 /* The Vtag for this end */
203 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 0, "uint32_t");
204 /* The port number of the local side << 16 | port number of remote
205 * in network byte order.
207 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 1, "uint32_t");
208 /* The pointer to the struct sctp_nets * changing */
209 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 2, "uintptr_t");
210 /* The up/down amount */
211 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 3, "int");
212 /* The new value of the cwnd */
213 SDT_PROBE_ARGTYPE(sctp, flightsize, net, val, 4, "int");
214 /********************************************************/
215 /* The total flight version */
216 /********************************************************/
217 SDT_PROBE_DEFINE(sctp, flightsize, assoc, val, val);
218 /* The Vtag for this end */
219 SDT_PROBE_ARGTYPE(sctp, flightsize, assoc, val, 0, "uint32_t");
220 /* The port number of the local side << 16 | port number of remote
221 * in network byte order.
223 SDT_PROBE_ARGTYPE(sctp, flightsize, assoc, val, 1, "uint32_t");
224 /* The up/down amount */
225 SDT_PROBE_ARGTYPE(sctp, flightsize, assoc, val, 2, "int");
226 /* The new value of the cwnd */
227 SDT_PROBE_ARGTYPE(sctp, flightsize, assoc, val, 3, "int");