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 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 #include <sys/param.h> 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 /* 176 * Standard Solaris-compatible probes. 177 */ 178 179 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 *"); 185 186 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 *"); 192 193 SDT_PROBE_DEFINE6_XLATE(sctp,,, state__change, 194 "void *", "void *", 195 "struct sctp_tcb *", "csinfo_t *", 196 "void *", "void *", 197 "struct sctp_tcb *", "sctpsinfo_t *", 198 "void *", "void *", 199 "int", "sctplsinfo_t *"); 200