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/param.h> 35 #include <sys/kernel.h> 36 #include <sys/sdt.h> 37 38 SDT_PROVIDER_DEFINE(sctp); 39 40 /********************************************************/ 41 /* Cwnd probe - tracks changes in the congestion window on a netp */ 42 /********************************************************/ 43 /* Initial */ 44 SDT_PROBE_DEFINE5(sctp, cwnd, net, init, 45 "uint32_t", /* The Vtag for this end */ 46 "uint32_t", /* The port number of the local side << 16 | 47 * port number of remote in network byte 48 * order. */ 49 "uintptr_t", /* The pointer to the struct sctp_nets * 50 * changing */ 51 "int", /* The old value of the cwnd */ 52 "int"); /* The new value of the cwnd */ 53 54 /* ACK-INCREASE */ 55 SDT_PROBE_DEFINE5(sctp, cwnd, net, ack, 56 "uint32_t", /* The Vtag for this end */ 57 "uint32_t", /* The port number of the local side << 16 | 58 * port number of remote in network byte 59 * order. */ 60 "uintptr_t", /* The pointer to the struct sctp_nets * 61 * changing */ 62 "int", /* The old value of the cwnd */ 63 "int"); /* The new value of the cwnd */ 64 65 /* ACK-INCREASE */ 66 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttvar, 67 "uint64_t", /* The Vtag << 32 | localport << 16 | 68 * remoteport */ 69 "uint64_t", /* obw | nbw */ 70 "uint64_t", /* bwrtt | newrtt */ 71 "uint64_t", /* flight */ 72 "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */ 73 74 SDT_PROBE_DEFINE5(sctp, cwnd, net, rttstep, 75 "uint64_t", /* The Vtag << 32 | localport << 16 | 76 * remoteport */ 77 "uint64_t", /* obw | nbw */ 78 "uint64_t", /* bwrtt | newrtt */ 79 "uint64_t", /* flight */ 80 "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */ 81 82 /* FastRetransmit-DECREASE */ 83 SDT_PROBE_DEFINE5(sctp, cwnd, net, fr, 84 "uint32_t", /* The Vtag for this end */ 85 "uint32_t", /* The port number of the local side << 16 | 86 * port number of remote in network byte 87 * order. */ 88 "uintptr_t", /* The pointer to the struct sctp_nets * 89 * changing */ 90 "int", /* The old value of the cwnd */ 91 "int"); /* The new value of the cwnd */ 92 93 /* TimeOut-DECREASE */ 94 SDT_PROBE_DEFINE5(sctp, cwnd, net, to, 95 "uint32_t", /* The Vtag for this end */ 96 "uint32_t", /* The port number of the local side << 16 | 97 * port number of remote in network byte 98 * order. */ 99 "uintptr_t", /* The pointer to the struct sctp_nets * 100 * changing */ 101 "int", /* The old value of the cwnd */ 102 "int"); /* The new value of the cwnd */ 103 104 /* BurstLimit-DECREASE */ 105 SDT_PROBE_DEFINE5(sctp, cwnd, net, bl, 106 "uint32_t", /* The Vtag for this end */ 107 "uint32_t", /* The port number of the local side << 16 | 108 * port number of remote in network byte 109 * order. */ 110 "uintptr_t", /* The pointer to the struct sctp_nets * 111 * changing */ 112 "int", /* The old value of the cwnd */ 113 "int"); /* The new value of the cwnd */ 114 115 /* ECN-DECREASE */ 116 SDT_PROBE_DEFINE5(sctp, cwnd, net, ecn, 117 "uint32_t", /* The Vtag for this end */ 118 "uint32_t", /* The port number of the local side << 16 | 119 * port number of remote in network byte 120 * order. */ 121 "uintptr_t", /* The pointer to the struct sctp_nets * 122 * changing */ 123 "int", /* The old value of the cwnd */ 124 "int"); /* The new value of the cwnd */ 125 126 /* PacketDrop-DECREASE */ 127 SDT_PROBE_DEFINE5(sctp, cwnd, net, pd, 128 "uint32_t", /* The Vtag for this end */ 129 "uint32_t", /* The port number of the local side << 16 | 130 * port number of remote in network byte 131 * order. */ 132 "uintptr_t", /* The pointer to the struct sctp_nets * 133 * changing */ 134 "int", /* The old value of the cwnd */ 135 "int"); /* The new value of the cwnd */ 136 137 /********************************************************/ 138 /* Rwnd probe - tracks changes in the receiver window for an assoc */ 139 /********************************************************/ 140 SDT_PROBE_DEFINE4(sctp, rwnd, assoc, val, 141 "uint32_t", /* The Vtag for this end */ 142 "uint32_t", /* The port number of the local side << 16 | 143 * port number of remote in network byte 144 * order. */ 145 "int", /* The up/down amount */ 146 "int"); /* The new value of the cwnd */ 147 148 /********************************************************/ 149 /* flight probe - tracks changes in the flight size on a net or assoc */ 150 /********************************************************/ 151 SDT_PROBE_DEFINE5(sctp, flightsize, net, val, 152 "uint32_t", /* The Vtag for this end */ 153 "uint32_t", /* The port number of the local side << 16 | 154 * port number of remote in network byte 155 * order. */ 156 "uintptr_t", /* The pointer to the struct sctp_nets * 157 * changing */ 158 "int", /* The up/down amount */ 159 "int"); /* The new value of the cwnd */ 160 161 /********************************************************/ 162 /* The total flight version */ 163 /********************************************************/ 164 SDT_PROBE_DEFINE4(sctp, flightsize, assoc, val, 165 "uint32_t", /* The Vtag for this end */ 166 "uint32_t", /* The port number of the local side << 16 | 167 * port number of remote in network byte 168 * order. */ 169 "int", /* The up/down amount */ 170 "int"); /* The new value of the cwnd */ 171 172 /* 173 * Standard Solaris-compatible probes. 174 */ 175 176 SDT_PROBE_DEFINE5_XLATE(sctp,,, receive, 177 "void *", "pktinfo_t *", 178 "struct sctp_tcb *", "csinfo_t *", 179 "struct mbuf *", "ipinfo_t *", 180 "struct sctp_tcb *", "sctpsinfo_t *", 181 "struct sctphdr *", "sctpinfo_t *"); 182 183 SDT_PROBE_DEFINE5_XLATE(sctp,,, send, 184 "void *", "pktinfo_t *", 185 "struct sctp_tcb *", "csinfo_t *", 186 "uint8_t *", "ipinfo_t *", 187 "struct sctp_tcb *", "sctpsinfo_t *", 188 "struct sctphdr *", "sctpinfo_t *"); 189 190 SDT_PROBE_DEFINE6_XLATE(sctp,,, state__change, 191 "void *", "void *", 192 "struct sctp_tcb *", "csinfo_t *", 193 "void *", "void *", 194 "struct sctp_tcb *", "sctpsinfo_t *", 195 "void *", "void *", 196 "int", "sctplsinfo_t *"); 197