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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-20 01:20:54 +00:00
selftests: fix the return value for UDP GRO test
[ Upstream commit 3503ee6c0b
]
The udpgro.sh will always return 0 (unless the bpf selftest was not
build first) even if there are some failed sub test-cases.
Therefore the kselftest framework will report this case is OK.
Check and return the exit status of each test to make it easier to
spot real failures.
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
2e1939396c
commit
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1 changed files with 34 additions and 0 deletions
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@ -5,6 +5,14 @@
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readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
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# set global exit status, but never reset nonzero one.
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check_err()
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{
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if [ $ret -eq 0 ]; then
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ret=$1
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fi
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}
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cleanup() {
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local -r jobs="$(jobs -p)"
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local -r ns="$(ip netns list|grep $PEER_NS)"
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@ -44,7 +52,9 @@ run_one() {
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# Hack: let bg programs complete the startup
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sleep 0.1
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./udpgso_bench_tx ${tx_args}
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ret=$?
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wait $(jobs -p)
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return $ret
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}
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run_test() {
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@ -87,8 +97,10 @@ run_one_nat() {
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sleep 0.1
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./udpgso_bench_tx ${tx_args}
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ret=$?
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kill -INT $pid
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wait $(jobs -p)
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return $ret
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}
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run_one_2sock() {
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@ -110,7 +122,9 @@ run_one_2sock() {
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sleep 0.1
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# first UDP GSO socket should be closed at this point
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./udpgso_bench_tx ${tx_args}
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ret=$?
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wait $(jobs -p)
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return $ret
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}
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run_nat_test() {
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@ -131,36 +145,54 @@ run_all() {
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local -r core_args="-l 4"
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local -r ipv4_args="${core_args} -4 -D 192.168.1.1"
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local -r ipv6_args="${core_args} -6 -D 2001:db8::1"
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ret=0
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echo "ipv4"
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run_test "no GRO" "${ipv4_args} -M 10 -s 1400" "-4 -n 10 -l 1400"
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check_err $?
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# explicitly check we are not receiving UDP_SEGMENT cmsg (-S -1)
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# when GRO does not take place
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run_test "no GRO chk cmsg" "${ipv4_args} -M 10 -s 1400" "-4 -n 10 -l 1400 -S -1"
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check_err $?
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# the GSO packets are aggregated because:
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# * veth schedule napi after each xmit
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# * segmentation happens in BH context, veth napi poll is delayed after
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# the transmission of the last segment
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run_test "GRO" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720"
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check_err $?
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run_test "GRO chk cmsg" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720 -S 1472"
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check_err $?
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run_test "GRO with custom segment size" "${ipv4_args} -M 1 -s 14720 -S 500 " "-4 -n 1 -l 14720"
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check_err $?
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run_test "GRO with custom segment size cmsg" "${ipv4_args} -M 1 -s 14720 -S 500 " "-4 -n 1 -l 14720 -S 500"
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check_err $?
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run_nat_test "bad GRO lookup" "${ipv4_args} -M 1 -s 14720 -S 0" "-n 10 -l 1472"
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check_err $?
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run_2sock_test "multiple GRO socks" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720 -S 1472"
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check_err $?
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echo "ipv6"
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run_test "no GRO" "${ipv6_args} -M 10 -s 1400" "-n 10 -l 1400"
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check_err $?
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run_test "no GRO chk cmsg" "${ipv6_args} -M 10 -s 1400" "-n 10 -l 1400 -S -1"
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check_err $?
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run_test "GRO" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 1 -l 14520"
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check_err $?
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run_test "GRO chk cmsg" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 1 -l 14520 -S 1452"
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check_err $?
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run_test "GRO with custom segment size" "${ipv6_args} -M 1 -s 14520 -S 500" "-n 1 -l 14520"
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check_err $?
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run_test "GRO with custom segment size cmsg" "${ipv6_args} -M 1 -s 14520 -S 500" "-n 1 -l 14520 -S 500"
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check_err $?
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run_nat_test "bad GRO lookup" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 10 -l 1452"
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check_err $?
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run_2sock_test "multiple GRO socks" "${ipv6_args} -M 1 -s 14520 -S 0 " "-n 1 -l 14520 -S 1452"
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check_err $?
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return $ret
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}
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if [ ! -f ../bpf/xdp_dummy.o ]; then
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@ -180,3 +212,5 @@ elif [[ $1 == "__subprocess_2sock" ]]; then
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shift
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run_one_2sock $@
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fi
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exit $?
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