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Commit 9c549a6b authored by Paolo Abeni's avatar Paolo Abeni Committed by David S. Miller
Browse files

selftests: add explicit test for multiple concurrent GRO sockets 



This covers for proper accounting of encap needed static keys

Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b24b767f

tools/testing/selftests/net/udpgro.sh

+34 −0
Original line number Diff line number Diff line
@@ -91,6 +91,28 @@ run_one_nat() { 
	wait $(jobs -p)

}



run_one_2sock() {

	# use 'rx' as separator between sender args and receiver args

	local -r all="$@"

	local -r tx_args=${all%rx*}

	local -r rx_args=${all#*rx}



	cfg_veth



	ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -p 12345 &

	ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} && \

		echo "ok" || \

		echo "failed" &



	# Hack: let bg programs complete the startup

	sleep 0.1

	./udpgso_bench_tx ${tx_args} -p 12345

	sleep 0.1

	# first UDP GSO socket should be closed at this point

	./udpgso_bench_tx ${tx_args}

	wait $(jobs -p)

}



run_nat_test() {

	local -r args=$@
@@ -98,6 +120,13 @@ run_nat_test() { 
	./in_netns.sh $0 __subprocess_nat $2 rx -r $3

}



run_2sock_test() {

	local -r args=$@



	printf " %-40s" "$1"

	./in_netns.sh $0 __subprocess_2sock $2 rx -G -r $3

}



run_all() {

	local -r core_args="-l 4"

	local -r ipv4_args="${core_args} -4 -D 192.168.1.1"
@@ -120,6 +149,7 @@ run_all() { 
	run_test "GRO with custom segment size cmsg" "${ipv4_args} -M 1 -s 14720 -S 500 " "-4 -n 1 -l 14720 -S 500"



	run_nat_test "bad GRO lookup" "${ipv4_args} -M 1 -s 14720 -S 0" "-n 10 -l 1472"

	run_2sock_test "multiple GRO socks" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720 -S 1472"



	echo "ipv6"

	run_test "no GRO" "${ipv6_args} -M 10 -s 1400" "-n 10 -l 1400"
@@ -130,6 +160,7 @@ run_all() { 
	run_test "GRO with custom segment size cmsg" "${ipv6_args} -M 1 -s 14520 -S 500" "-n 1 -l 14520 -S 500"



	run_nat_test "bad GRO lookup" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 10 -l 1452"

	run_2sock_test "multiple GRO socks" "${ipv6_args} -M 1 -s 14520 -S 0 " "-n 1 -l 14520 -S 1452"

}



if [ ! -f ../bpf/xdp_dummy.o ]; then
@@ -145,4 +176,7 @@ elif [[ $1 == "__subprocess" ]]; then 
elif [[ $1 == "__subprocess_nat" ]]; then

	shift

	run_one_nat $@

elif [[ $1 == "__subprocess_2sock" ]]; then

	shift

	run_one_2sock $@

fi