/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * a) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * b) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * c) Neither the name of Cisco Systems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include SDT_PROVIDER_DEFINE(sctp); /********************************************************/ /* Cwnd probe - tracks changes in the congestion window on a netp */ /********************************************************/ /* Initial */ SDT_PROBE_DEFINE5(sctp, cwnd, net, init, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "uintptr_t", /* The pointer to the struct sctp_nets * * changing */ "int", /* The old value of the cwnd */ "int"); /* The new value of the cwnd */ /* ACK-INCREASE */ SDT_PROBE_DEFINE5(sctp, cwnd, net, ack, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "uintptr_t", /* The pointer to the struct sctp_nets * * changing */ "int", /* The old value of the cwnd */ "int"); /* The new value of the cwnd */ /* ACK-INCREASE */ SDT_PROBE_DEFINE5(sctp, cwnd, net, rttvar, "uint64_t", /* The Vtag << 32 | localport << 16 | * remoteport */ "uint64_t", /* obw | nbw */ "uint64_t", /* bwrtt | newrtt */ "uint64_t", /* flight */ "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */ SDT_PROBE_DEFINE5(sctp, cwnd, net, rttstep, "uint64_t", /* The Vtag << 32 | localport << 16 | * remoteport */ "uint64_t", /* obw | nbw */ "uint64_t", /* bwrtt | newrtt */ "uint64_t", /* flight */ "uint64_t"); /* (cwnd << 32) | point << 16 | retval(0/1) */ /* FastRetransmit-DECREASE */ SDT_PROBE_DEFINE5(sctp, cwnd, net, fr, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "uintptr_t", /* The pointer to the struct sctp_nets * * changing */ "int", /* The old value of the cwnd */ "int"); /* The new value of the cwnd */ /* TimeOut-DECREASE */ SDT_PROBE_DEFINE5(sctp, cwnd, net, to, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "uintptr_t", /* The pointer to the struct sctp_nets * * changing */ "int", /* The old value of the cwnd */ "int"); /* The new value of the cwnd */ /* BurstLimit-DECREASE */ SDT_PROBE_DEFINE5(sctp, cwnd, net, bl, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "uintptr_t", /* The pointer to the struct sctp_nets * * changing */ "int", /* The old value of the cwnd */ "int"); /* The new value of the cwnd */ /* ECN-DECREASE */ SDT_PROBE_DEFINE5(sctp, cwnd, net, ecn, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "uintptr_t", /* The pointer to the struct sctp_nets * * changing */ "int", /* The old value of the cwnd */ "int"); /* The new value of the cwnd */ /* PacketDrop-DECREASE */ SDT_PROBE_DEFINE5(sctp, cwnd, net, pd, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "uintptr_t", /* The pointer to the struct sctp_nets * * changing */ "int", /* The old value of the cwnd */ "int"); /* The new value of the cwnd */ /********************************************************/ /* Rwnd probe - tracks changes in the receiver window for an assoc */ /********************************************************/ SDT_PROBE_DEFINE4(sctp, rwnd, assoc, val, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "int", /* The up/down amount */ "int"); /* The new value of the cwnd */ /********************************************************/ /* flight probe - tracks changes in the flight size on a net or assoc */ /********************************************************/ SDT_PROBE_DEFINE5(sctp, flightsize, net, val, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "uintptr_t", /* The pointer to the struct sctp_nets * * changing */ "int", /* The up/down amount */ "int"); /* The new value of the cwnd */ /********************************************************/ /* The total flight version */ /********************************************************/ SDT_PROBE_DEFINE4(sctp, flightsize, assoc, val, "uint32_t", /* The Vtag for this end */ "uint32_t", /* The port number of the local side << 16 | * port number of remote in network byte * order. */ "int", /* The up/down amount */ "int"); /* The new value of the cwnd */ /* * Standard Solaris-compatible probes. */ SDT_PROBE_DEFINE5_XLATE(sctp,,, receive, "void *", "pktinfo_t *", "struct sctp_tcb *", "csinfo_t *", "struct mbuf *", "ipinfo_t *", "struct sctp_tcb *", "sctpsinfo_t *", "struct sctphdr *", "sctpinfo_t *"); SDT_PROBE_DEFINE5_XLATE(sctp,,, send, "void *", "pktinfo_t *", "struct sctp_tcb *", "csinfo_t *", "uint8_t *", "ipinfo_t *", "struct sctp_tcb *", "sctpsinfo_t *", "struct sctphdr *", "sctpinfo_t *"); SDT_PROBE_DEFINE6_XLATE(sctp,,, state__change, "void *", "void *", "struct sctp_tcb *", "csinfo_t *", "void *", "void *", "struct sctp_tcb *", "sctpsinfo_t *", "void *", "void *", "int", "sctplsinfo_t *");