[PATCH bpf-next v2 3/4] selftests/bpf: remove test_tc_edt.sh

Alexis Lothoré (eBPF Foundation)
2025-11-28T22:27:39Z

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>
---
tools/testing/selftests/bpf/Makefile | 2 -
tools/testing/selftests/bpf/test_tc_edt.sh | 100 -----------------------------
2 files changed, 102 deletions(-)

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index bac22265e7ff..01ef8f4552b8 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -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 \
diff --git a/tools/testing/selftests/bpf/test_tc_edt.sh b/tools/testing/selftests/bpf/test_tc_edt.sh
deleted file mode 100755
index 8db8e146a431..000000000000
--- a/tools/testing/selftests/bpf/test_tc_edt.sh
+++ /dev/null
@@ -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

--
2.51.2