1 /*-
2 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
3 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * a) Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
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.
14 *
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.
18 *
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
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
29 * THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD: releng/11.1/sys/netinet/sctp_dtrace_define.h 297662 2016-04-07 09:10:34Z rrs $");
34
35 #ifndef _NETINET_SCTP_DTRACE_DEFINE_H_
36 #define _NETINET_SCTP_DTRACE_DEFINE_H_
37
38 #include <sys/kernel.h>
39 #include <sys/sdt.h>
40
41 SDT_PROVIDER_DEFINE(sctp);
42
43 /********************************************************/
44 /* Cwnd probe - tracks changes in the congestion window on a netp */
45 /********************************************************/
46 /* Initial */
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
51 * order. */
52 "uintptr_t", /* The pointer to the struct sctp_nets *
53 * changing */
54 "int", /* The old value of the cwnd */
55 "int"); /* The new value of the cwnd */
56
57 /* ACK-INCREASE */
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
62 * order. */
63 "uintptr_t", /* The pointer to the struct sctp_nets *
64 * changing */
65 "int", /* The old value of the cwnd */
66 "int"); /* The new value of the cwnd */
67
68 /* ACK-INCREASE */
69 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttvar,
70 "uint64_t", /* The Vtag << 32 | localport << 16 |
71 * remoteport */
72 "uint64_t", /* obw | nbw */
73 "uint64_t", /* bwrtt | newrtt */
74 "uint64_t", /* flight */
75 "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */
76
77 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttstep,
78 "uint64_t", /* The Vtag << 32 | localport << 16 |
79 * remoteport */
80 "uint64_t", /* obw | nbw */
81 "uint64_t", /* bwrtt | newrtt */
82 "uint64_t", /* flight */
83 "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */
84
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
90 * order. */
91 "uintptr_t", /* The pointer to the struct sctp_nets *
92 * changing */
93 "int", /* The old value of the cwnd */
94 "int"); /* The new value of the cwnd */
95
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
101 * order. */
102 "uintptr_t", /* The pointer to the struct sctp_nets *
103 * changing */
104 "int", /* The old value of the cwnd */
105 "int"); /* The new value of the cwnd */
106
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
112 * order. */
113 "uintptr_t", /* The pointer to the struct sctp_nets *
114 * changing */
115 "int", /* The old value of the cwnd */
116 "int"); /* The new value of the cwnd */
117
118 /* ECN-DECREASE */
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
123 * order. */
124 "uintptr_t", /* The pointer to the struct sctp_nets *
125 * changing */
126 "int", /* The old value of the cwnd */
127 "int"); /* The new value of the cwnd */
128
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
134 * order. */
135 "uintptr_t", /* The pointer to the struct sctp_nets *
136 * changing */
137 "int", /* The old value of the cwnd */
138 "int"); /* The new value of the cwnd */
139
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
147 * order. */
148 "int", /* The up/down amount */
149 "int"); /* The new value of the cwnd */
150
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
158 * order. */
159 "uintptr_t", /* The pointer to the struct sctp_nets *
160 * changing */
161 "int", /* The up/down amount */
162 "int"); /* The new value of the cwnd */
163
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
171 * order. */
172 "int", /* The up/down amount */
173 "int"); /* The new value of the cwnd */
174
175 #endif
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