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 #include <sys/param.h> 36 #include <sys/kernel.h> 37 #include <sys/sdt.h> 38 39 SDT_PROVIDER_DEFINE(sctp); 40 41 /********************************************************/ 42 /* Cwnd probe - tracks changes in the congestion window on a netp */ 43 /********************************************************/ 44 /* Initial */ 45 SDT_PROBE_DEFINE5(sctp, cwnd, net, init, 46 "uint32_t", /* The Vtag for this end */ 47 "uint32_t", /* The port number of the local side << 16 | 48 * port number of remote in network byte 49 * order. */ 50 "uintptr_t", /* The pointer to the struct sctp_nets * 51 * changing */ 52 "int", /* The old value of the cwnd */ 53 "int"); /* The new value of the cwnd */ 54 55 /* ACK-INCREASE */ 56 SDT_PROBE_DEFINE5(sctp, cwnd, net, ack, 57 "uint32_t", /* The Vtag for this end */ 58 "uint32_t", /* The port number of the local side << 16 | 59 * port number of remote in network byte 60 * order. */ 61 "uintptr_t", /* The pointer to the struct sctp_nets * 62 * changing */ 63 "int", /* The old value of the cwnd */ 64 "int"); /* The new value of the cwnd */ 65 66 /* ACK-INCREASE */ 67 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttvar, 68 "uint64_t", /* The Vtag << 32 | localport << 16 | 69 * remoteport */ 70 "uint64_t", /* obw | nbw */ 71 "uint64_t", /* bwrtt | newrtt */ 72 "uint64_t", /* flight */ 73 "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */ 74 75 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttstep, 76 "uint64_t", /* The Vtag << 32 | localport << 16 | 77 * remoteport */ 78 "uint64_t", /* obw | nbw */ 79 "uint64_t", /* bwrtt | newrtt */ 80 "uint64_t", /* flight */ 81 "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */ 82 83 /* FastRetransmit-DECREASE */ 84 SDT_PROBE_DEFINE5(sctp, cwnd, net, fr, 85 "uint32_t", /* The Vtag for this end */ 86 "uint32_t", /* The port number of the local side << 16 | 87 * port number of remote in network byte 88 * order. */ 89 "uintptr_t", /* The pointer to the struct sctp_nets * 90 * changing */ 91 "int", /* The old value of the cwnd */ 92 "int"); /* The new value of the cwnd */ 93 94 /* TimeOut-DECREASE */ 95 SDT_PROBE_DEFINE5(sctp, cwnd, net, to, 96 "uint32_t", /* The Vtag for this end */ 97 "uint32_t", /* The port number of the local side << 16 | 98 * port number of remote in network byte 99 * order. */ 100 "uintptr_t", /* The pointer to the struct sctp_nets * 101 * changing */ 102 "int", /* The old value of the cwnd */ 103 "int"); /* The new value of the cwnd */ 104 105 /* BurstLimit-DECREASE */ 106 SDT_PROBE_DEFINE5(sctp, cwnd, net, bl, 107 "uint32_t", /* The Vtag for this end */ 108 "uint32_t", /* The port number of the local side << 16 | 109 * port number of remote in network byte 110 * order. */ 111 "uintptr_t", /* The pointer to the struct sctp_nets * 112 * changing */ 113 "int", /* The old value of the cwnd */ 114 "int"); /* The new value of the cwnd */ 115 116 /* ECN-DECREASE */ 117 SDT_PROBE_DEFINE5(sctp, cwnd, net, ecn, 118 "uint32_t", /* The Vtag for this end */ 119 "uint32_t", /* The port number of the local side << 16 | 120 * port number of remote in network byte 121 * order. */ 122 "uintptr_t", /* The pointer to the struct sctp_nets * 123 * changing */ 124 "int", /* The old value of the cwnd */ 125 "int"); /* The new value of the cwnd */ 126 127 /* PacketDrop-DECREASE */ 128 SDT_PROBE_DEFINE5(sctp, cwnd, net, pd, 129 "uint32_t", /* The Vtag for this end */ 130 "uint32_t", /* The port number of the local side << 16 | 131 * port number of remote in network byte 132 * order. */ 133 "uintptr_t", /* The pointer to the struct sctp_nets * 134 * changing */ 135 "int", /* The old value of the cwnd */ 136 "int"); /* The new value of the cwnd */ 137 138 /********************************************************/ 139 /* Rwnd probe - tracks changes in the receiver window for an assoc */ 140 /********************************************************/ 141 SDT_PROBE_DEFINE4(sctp, rwnd, assoc, val, 142 "uint32_t", /* The Vtag for this end */ 143 "uint32_t", /* The port number of the local side << 16 | 144 * port number of remote in network byte 145 * order. */ 146 "int", /* The up/down amount */ 147 "int"); /* The new value of the cwnd */ 148 149 /********************************************************/ 150 /* flight probe - tracks changes in the flight size on a net or assoc */ 151 /********************************************************/ 152 SDT_PROBE_DEFINE5(sctp, flightsize, net, val, 153 "uint32_t", /* The Vtag for this end */ 154 "uint32_t", /* The port number of the local side << 16 | 155 * port number of remote in network byte 156 * order. */ 157 "uintptr_t", /* The pointer to the struct sctp_nets * 158 * changing */ 159 "int", /* The up/down amount */ 160 "int"); /* The new value of the cwnd */ 161 162 /********************************************************/ 163 /* The total flight version */ 164 /********************************************************/ 165 SDT_PROBE_DEFINE4(sctp, flightsize, assoc, val, 166 "uint32_t", /* The Vtag for this end */ 167 "uint32_t", /* The port number of the local side << 16 | 168 * port number of remote in network byte 169 * order. */ 170 "int", /* The up/down amount */ 171 "int"); /* The new value of the cwnd */ 172 173 /* 174 * Standard Solaris-compatible probes. 175 */ 176 177 SDT_PROBE_DEFINE5_XLATE(sctp,,, receive, 178 "void *", "pktinfo_t *", 179 "struct sctp_tcb *", "csinfo_t *", 180 "struct mbuf *", "ipinfo_t *", 181 "struct sctp_tcb *", "sctpsinfo_t *", 182 "struct sctphdr *", "sctpinfo_t *"); 183 184 SDT_PROBE_DEFINE5_XLATE(sctp,,, send, 185 "void *", "pktinfo_t *", 186 "struct sctp_tcb *", "csinfo_t *", 187 "uint8_t *", "ipinfo_t *", 188 "struct sctp_tcb *", "sctpsinfo_t *", 189 "struct sctphdr *", "sctpinfo_t *"); 190 191 SDT_PROBE_DEFINE6_XLATE(sctp,,, state__change, 192 "void *", "void *", 193 "struct sctp_tcb *", "csinfo_t *", 194 "void *", "void *", 195 "struct sctp_tcb *", "sctpsinfo_t *", 196 "void *", "void *", 197 "int", "sctplsinfo_t *"); 198