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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ALL_TESTS="
ping_ipv4
ecn_test
red_test
mc_backlog_test
"
: ${QDISC:=ets}
source sch_red_core.sh
# do_ecn_test first build 2/3 of the requested backlog and expects no marking,
# and then builds 3/2 of it and does expect marking. The values of $BACKLOG1 and
# $BACKLOG2 are far enough not to overlap, so that we can assume that if we do
# see (do not see) marking, it is actually due to the configuration of that one
# TC, and not due to configuration of the other TC leaking over.
BACKLOG1=200000
BACKLOG2=500000
install_qdisc()
{
local -a args=("$@")
tc qdisc add dev $swp3 root handle 10: $QDISC \
bands 8 priomap 7 6 5 4 3 2 1 0
tc qdisc add dev $swp3 parent 10:8 handle 108: red \
limit 1000000 min $BACKLOG1 max $((BACKLOG1 + 1)) \
probability 1.0 avpkt 8000 burst 38 "${args[@]}"
tc qdisc add dev $swp3 parent 10:7 handle 107: red \
limit 1000000 min $BACKLOG2 max $((BACKLOG2 + 1)) \
probability 1.0 avpkt 8000 burst 63 "${args[@]}"
sleep 1
}
uninstall_qdisc()
{
tc qdisc del dev $swp3 parent 10:7
tc qdisc del dev $swp3 parent 10:8
tc qdisc del dev $swp3 root
}
ecn_test()
{
install_qdisc ecn
do_ecn_test 10 $BACKLOG1
do_ecn_test 11 $BACKLOG2
uninstall_qdisc
}
red_test()
{
install_qdisc
do_red_test 10 $BACKLOG1
do_red_test 11 $BACKLOG2
uninstall_qdisc
}
mc_backlog_test()
{
install_qdisc
# Note that the backlog numbers here do not correspond to RED
# configuration, but are arbitrary.
do_mc_backlog_test 10 $BACKLOG1
do_mc_backlog_test 11 $BACKLOG2
uninstall_qdisc
}
trap cleanup EXIT
setup_prepare
setup_wait
bail_on_lldpad
tests_run
exit $EXIT_STATUS
|
