/*-
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/sdt.h>
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 *");