selftests: add explicit test for multiple concurrent GRO sockets

This covers for proper accounting of encap needed static keys

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paolo Abeni 2018-11-15 03:24:05 +01:00 committed by David S. Miller
parent b24b767fb1
commit 9c549a6b05
1 changed files with 34 additions and 0 deletions

View File

@ -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