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