linux-stable/tools/testing/selftests/net/udpgso_bench.sh
Willem de Bruijn 22f1a38a54 selftests/net: make udpgso_bench skip unsupported testcases
Kselftest can be run against older kernels. Instead of failing hard
when a feature is unsupported, return the KSFT_SKIP exit code.

Specifically, do not fail hard on missing udp zerocopy.

The udp gso bench test runs multiple test cases from a single script.
Fail if any case fails, else return skip if any test is skipped.

Link: https://lore.kernel.org/lkml/20190618171516.GA17547@kroah.com/
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-19 17:33:47 -04:00

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Run a series of udpgso benchmarks
readonly GREEN='\033[0;92m'
readonly YELLOW='\033[0;33m'
readonly RED='\033[0;31m'
readonly NC='\033[0m' # No Color
readonly KSFT_PASS=0
readonly KSFT_FAIL=1
readonly KSFT_SKIP=4
num_pass=0
num_err=0
num_skip=0
kselftest_test_exitcode() {
local -r exitcode=$1
if [[ ${exitcode} -eq ${KSFT_PASS} ]]; then
num_pass=$(( $num_pass + 1 ))
elif [[ ${exitcode} -eq ${KSFT_SKIP} ]]; then
num_skip=$(( $num_skip + 1 ))
else
num_err=$(( $num_err + 1 ))
fi
}
kselftest_exit() {
echo -e "$(basename $0): PASS=${num_pass} SKIP=${num_skip} FAIL=${num_err}"
if [[ $num_err -ne 0 ]]; then
echo -e "$(basename $0): ${RED}FAIL${NC}"
exit ${KSFT_FAIL}
fi
if [[ $num_skip -ne 0 ]]; then
echo -e "$(basename $0): ${YELLOW}SKIP${NC}"
exit ${KSFT_SKIP}
fi
echo -e "$(basename $0): ${GREEN}PASS${NC}"
exit ${KSFT_PASS}
}
wake_children() {
local -r jobs="$(jobs -p)"
if [[ "${jobs}" != "" ]]; then
kill -1 ${jobs} 2>/dev/null
fi
}
trap wake_children EXIT
run_one() {
local -r args=$@
./udpgso_bench_rx &
./udpgso_bench_rx -t &
./udpgso_bench_tx ${args}
}
run_in_netns() {
local -r args=$@
./in_netns.sh $0 __subprocess ${args}
kselftest_test_exitcode $?
}
run_udp() {
local -r args=$@
echo "udp"
run_in_netns ${args}
echo "udp gso"
run_in_netns ${args} -S 0
echo "udp gso zerocopy"
run_in_netns ${args} -S 0 -z
echo "udp gso timestamp"
run_in_netns ${args} -S 0 -T
echo "udp gso zerocopy audit"
run_in_netns ${args} -S 0 -z -a
echo "udp gso timestamp audit"
run_in_netns ${args} -S 0 -T -a
echo "udp gso zerocopy timestamp audit"
run_in_netns ${args} -S 0 -T -z -a
}
run_tcp() {
local -r args=$@
echo "tcp"
run_in_netns ${args} -t
echo "tcp zerocopy"
run_in_netns ${args} -t -z
# excluding for now because test fails intermittently
# add -P option to include poll() to reduce possibility of lost messages
#echo "tcp zerocopy audit"
#run_in_netns ${args} -t -z -P -a
}
run_all() {
local -r core_args="-l 3"
local -r ipv4_args="${core_args} -4 -D 127.0.0.1"
local -r ipv6_args="${core_args} -6 -D ::1"
echo "ipv4"
run_tcp "${ipv4_args}"
run_udp "${ipv4_args}"
echo "ipv6"
run_tcp "${ipv4_args}"
run_udp "${ipv6_args}"
}
if [[ $# -eq 0 ]]; then
run_all
kselftest_exit
elif [[ $1 == "__subprocess" ]]; then
shift
run_one $@
else
run_in_netns $@
fi