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selftests/bpf: remove test_tc_edt.sh

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Now that test_tc_edt has been integrated in test_progs, remove the
legacy shell script.

Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
Link: https://lore.kernel.org/r/20251128-tc_edt-v2-3-26db48373e73@bootlin.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexis Lothoré (eBPF Foundation)
2025-11-28 23:27:20 +01:00
committed by Alexei Starovoitov
parent b0f82e7ab6
commit 50ce5ea5f7
2 changed files with 0 additions and 102 deletions
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2
tools/testing/selftests/bpf/Makefile
View File

@@ -99,13 +99,11 @@ TEST_GEN_PROGS += test_progs-cpuv4
TEST_INST_SUBDIRS += cpuv4
endif
TEST_GEN_FILES = test_tc_edt.bpf.o
TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c)
# Order correspond to 'make run_tests' order
TEST_PROGS := test_kmod.sh \
test_lirc_mode2.sh \
test_tc_edt.sh \
test_xdping.sh \
test_bpftool_build.sh \
test_bpftool.sh \

100
tools/testing/selftests/bpf/test_tc_edt.sh
View File

@@ -1,100 +0,0 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# This test installs a TC bpf program that throttles a TCP flow
# with dst port = 9000 down to 5MBps. Then it measures actual
# throughput of the flow.
BPF_FILE="test_tc_edt.bpf.o"
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root"
echo "FAIL"
exit 1
fi
# check that nc, dd, and timeout are present
command -v nc >/dev/null 2>&1 || \
{ echo >&2 "nc is not available"; exit 1; }
command -v dd >/dev/null 2>&1 || \
{ echo >&2 "nc is not available"; exit 1; }
command -v timeout >/dev/null 2>&1 || \
{ echo >&2 "timeout is not available"; exit 1; }
readonly NS_SRC="ns-src-$(mktemp -u XXXXXX)"
readonly NS_DST="ns-dst-$(mktemp -u XXXXXX)"
readonly IP_SRC="172.16.1.100"
readonly IP_DST="172.16.2.100"
cleanup()
{
ip netns del ${NS_SRC}
ip netns del ${NS_DST}
}
trap cleanup EXIT
set -e # exit on error
ip netns add "${NS_SRC}"
ip netns add "${NS_DST}"
ip link add veth_src type veth peer name veth_dst
ip link set veth_src netns ${NS_SRC}
ip link set veth_dst netns ${NS_DST}
ip -netns ${NS_SRC} addr add ${IP_SRC}/24 dev veth_src
ip -netns ${NS_DST} addr add ${IP_DST}/24 dev veth_dst
ip -netns ${NS_SRC} link set dev veth_src up
ip -netns ${NS_DST} link set dev veth_dst up
ip -netns ${NS_SRC} route add ${IP_DST}/32 dev veth_src
ip -netns ${NS_DST} route add ${IP_SRC}/32 dev veth_dst
# set up TC on TX
ip netns exec ${NS_SRC} tc qdisc add dev veth_src root fq
ip netns exec ${NS_SRC} tc qdisc add dev veth_src clsact
ip netns exec ${NS_SRC} tc filter add dev veth_src egress \
bpf da obj ${BPF_FILE} sec tc
# start the listener
ip netns exec ${NS_DST} bash -c \
"nc -4 -l -p 9000 >/dev/null &"
declare -i NC_PID=$!
sleep 1
declare -ir TIMEOUT=20
declare -ir EXPECTED_BPS=5000000
# run the load, capture RX bytes on DST
declare -ir RX_BYTES_START=$( ip netns exec ${NS_DST} \
cat /sys/class/net/veth_dst/statistics/rx_bytes )
set +e
ip netns exec ${NS_SRC} bash -c "timeout ${TIMEOUT} dd if=/dev/zero \
bs=1000 count=1000000 > /dev/tcp/${IP_DST}/9000 2>/dev/null"
set -e
declare -ir RX_BYTES_END=$( ip netns exec ${NS_DST} \
cat /sys/class/net/veth_dst/statistics/rx_bytes )
declare -ir ACTUAL_BPS=$(( ($RX_BYTES_END - $RX_BYTES_START) / $TIMEOUT ))
echo $TIMEOUT $ACTUAL_BPS $EXPECTED_BPS | \
awk '{printf "elapsed: %d sec; bps difference: %.2f%%\n",
$1, ($2-$3)*100.0/$3}'
# Pass the test if the actual bps is within 1% of the expected bps.
# The difference is usually about 0.1% on a 20-sec test, and ==> zero
# the longer the test runs.
declare -ir RES=$( echo $ACTUAL_BPS $EXPECTED_BPS | \
awk 'function abs(x){return ((x < 0.0) ? -x : x)}
{if (abs(($1-$2)*100.0/$2) > 1.0) { print "1" }
else { print "0"} }' )
if [ "${RES}" == "0" ] ; then
echo "PASS"
else
echo "FAIL"
exit 1
fi