#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2014-2018 Oracle and/or its affiliates. All Rights Reserved.
#
# Author: Alexey Kodanev <alexey.kodanev@oracle.com>
TST_SETUP="setup"
TST_TESTFUNC="test"
TST_CNT=2
TST_CLEANUP="cleanup"
TST_MIN_KVER="3.7"
TST_NEEDS_TMPDIR=1
TST_NEEDS_ROOT=1
TST_NEEDS_CMDS="tc"
TST_OPTS="R:"
TST_USAGE=tcp_fastopen_usage
TST_PARSE_ARGS=tcp_fastopen_parse_args
srv_replies=3
tcp_fastopen_usage()
{
echo "-R x Number of requests, after which connection is closed"
}
tcp_fastopen_parse_args()
{
case "$1" in
R) srv_replies=$2 ;;
esac
}
. tst_net.sh
cleanup()
{
tc qdisc del dev $(tst_iface) root netem delay 100 >/dev/null
}
compare()
{
tfo_cmp=$(( 100 - ($time_tfo_on * 100) / $time_tfo_off ))
if [ "$tfo_cmp" -lt 3 ]; then
tst_res TFAIL "$1 perf result is '$tfo_cmp' percent"
else
tst_res TPASS "$1 perf result is '$tfo_cmp' percent"
fi
}
setup()
{
if tst_kvcmp -lt "3.16" && [ "$TST_IPV6" ]; then
tst_brk TCONF "test must be run with kernel 3.16 or newer"
fi
ROD tc qdisc add dev $(tst_iface) root netem delay 100
}
test1()
{
tst_res TINFO "using old TCP API and set tcp_fastopen to '0'"
tst_netload -H $(tst_ipaddr rhost) -t 0 -R $srv_replies
time_tfo_off=$(cat tst_netload.res)
tst_res TINFO "using new TCP API and set tcp_fastopen to '3'"
tst_netload -H $(tst_ipaddr rhost) -f -t 3 -R $srv_replies
time_tfo_on=$(cat tst_netload.res)
compare
}
test2()
{
tst_kvcmp -lt "4.11" && \
tst_brk TCONF "next test must be run with kernel 4.11 or newer"
tst_res TINFO "using connect() and TCP_FASTOPEN_CONNECT socket option"
tst_netload -H $(tst_ipaddr rhost) -F -t 3 -R $srv_replies
time_tfo_on=$(cat tst_netload.res)
compare
}
tst_run