2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
5 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
10 * a) Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
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.
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.
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
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30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/param.h>
38 #include <sys/kernel.h>
41 SDT_PROVIDER_DEFINE(sctp);
43 /********************************************************/
44 /* Cwnd probe - tracks changes in the congestion window on a netp */
45 /********************************************************/
47 SDT_PROBE_DEFINE5(sctp, cwnd, net, init,
48 "uint32_t", /* The Vtag for this end */
49 "uint32_t", /* The port number of the local side << 16 |
50 * port number of remote in network byte
52 "uintptr_t", /* The pointer to the struct sctp_nets *
54 "int", /* The old value of the cwnd */
55 "int"); /* The new value of the cwnd */
58 SDT_PROBE_DEFINE5(sctp, cwnd, net, ack,
59 "uint32_t", /* The Vtag for this end */
60 "uint32_t", /* The port number of the local side << 16 |
61 * port number of remote in network byte
63 "uintptr_t", /* The pointer to the struct sctp_nets *
65 "int", /* The old value of the cwnd */
66 "int"); /* The new value of the cwnd */
69 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttvar,
70 "uint64_t", /* The Vtag << 32 | localport << 16 |
72 "uint64_t", /* obw | nbw */
73 "uint64_t", /* bwrtt | newrtt */
74 "uint64_t", /* flight */
75 "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */
77 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttstep,
78 "uint64_t", /* The Vtag << 32 | localport << 16 |
80 "uint64_t", /* obw | nbw */
81 "uint64_t", /* bwrtt | newrtt */
82 "uint64_t", /* flight */
83 "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */
85 /* FastRetransmit-DECREASE */
86 SDT_PROBE_DEFINE5(sctp, cwnd, net, fr,
87 "uint32_t", /* The Vtag for this end */
88 "uint32_t", /* The port number of the local side << 16 |
89 * port number of remote in network byte
91 "uintptr_t", /* The pointer to the struct sctp_nets *
93 "int", /* The old value of the cwnd */
94 "int"); /* The new value of the cwnd */
96 /* TimeOut-DECREASE */
97 SDT_PROBE_DEFINE5(sctp, cwnd, net, to,
98 "uint32_t", /* The Vtag for this end */
99 "uint32_t", /* The port number of the local side << 16 |
100 * port number of remote in network byte
102 "uintptr_t", /* The pointer to the struct sctp_nets *
104 "int", /* The old value of the cwnd */
105 "int"); /* The new value of the cwnd */
107 /* BurstLimit-DECREASE */
108 SDT_PROBE_DEFINE5(sctp, cwnd, net, bl,
109 "uint32_t", /* The Vtag for this end */
110 "uint32_t", /* The port number of the local side << 16 |
111 * port number of remote in network byte
113 "uintptr_t", /* The pointer to the struct sctp_nets *
115 "int", /* The old value of the cwnd */
116 "int"); /* The new value of the cwnd */
119 SDT_PROBE_DEFINE5(sctp, cwnd, net, ecn,
120 "uint32_t", /* The Vtag for this end */
121 "uint32_t", /* The port number of the local side << 16 |
122 * port number of remote in network byte
124 "uintptr_t", /* The pointer to the struct sctp_nets *
126 "int", /* The old value of the cwnd */
127 "int"); /* The new value of the cwnd */
129 /* PacketDrop-DECREASE */
130 SDT_PROBE_DEFINE5(sctp, cwnd, net, pd,
131 "uint32_t", /* The Vtag for this end */
132 "uint32_t", /* The port number of the local side << 16 |
133 * port number of remote in network byte
135 "uintptr_t", /* The pointer to the struct sctp_nets *
137 "int", /* The old value of the cwnd */
138 "int"); /* The new value of the cwnd */
140 /********************************************************/
141 /* Rwnd probe - tracks changes in the receiver window for an assoc */
142 /********************************************************/
143 SDT_PROBE_DEFINE4(sctp, rwnd, assoc, val,
144 "uint32_t", /* The Vtag for this end */
145 "uint32_t", /* The port number of the local side << 16 |
146 * port number of remote in network byte
148 "int", /* The up/down amount */
149 "int"); /* The new value of the cwnd */
151 /********************************************************/
152 /* flight probe - tracks changes in the flight size on a net or assoc */
153 /********************************************************/
154 SDT_PROBE_DEFINE5(sctp, flightsize, net, val,
155 "uint32_t", /* The Vtag for this end */
156 "uint32_t", /* The port number of the local side << 16 |
157 * port number of remote in network byte
159 "uintptr_t", /* The pointer to the struct sctp_nets *
161 "int", /* The up/down amount */
162 "int"); /* The new value of the cwnd */
164 /********************************************************/
165 /* The total flight version */
166 /********************************************************/
167 SDT_PROBE_DEFINE4(sctp, flightsize, assoc, val,
168 "uint32_t", /* The Vtag for this end */
169 "uint32_t", /* The port number of the local side << 16 |
170 * port number of remote in network byte
172 "int", /* The up/down amount */
173 "int"); /* The new value of the cwnd */
176 * Standard Solaris-compatible probes.
179 SDT_PROBE_DEFINE5_XLATE(sctp,,, receive,
180 "void *", "pktinfo_t *",
181 "struct sctp_tcb *", "csinfo_t *",
182 "struct mbuf *", "ipinfo_t *",
183 "struct sctp_tcb *", "sctpsinfo_t *",
184 "struct sctphdr *", "sctpinfo_t *");
186 SDT_PROBE_DEFINE5_XLATE(sctp,,, send,
187 "void *", "pktinfo_t *",
188 "struct sctp_tcb *", "csinfo_t *",
189 "uint8_t *", "ipinfo_t *",
190 "struct sctp_tcb *", "sctpsinfo_t *",
191 "struct sctphdr *", "sctpinfo_t *");
193 SDT_PROBE_DEFINE6_XLATE(sctp,,, state__change,
195 "struct sctp_tcb *", "csinfo_t *",
197 "struct sctp_tcb *", "sctpsinfo_t *",
199 "int", "sctplsinfo_t *");