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-rwxr-xr-xtools/testing/selftests/net/udpgso.sh49
1 files changed, 39 insertions, 10 deletions
diff --git a/tools/testing/selftests/net/udpgso.sh b/tools/testing/selftests/net/udpgso.sh
index fec24f584f..6c63178086 100755
--- a/tools/testing/selftests/net/udpgso.sh
+++ b/tools/testing/selftests/net/udpgso.sh
@@ -3,27 +3,56 @@
#
# Run a series of udpgso regression tests
+set -o errexit
+set -o nounset
+
+setup_loopback() {
+ ip addr add dev lo 10.0.0.1/32
+ ip addr add dev lo fd00::1/128 nodad noprefixroute
+}
+
+test_dev_mtu() {
+ setup_loopback
+ # Reduce loopback MTU
+ ip link set dev lo mtu 1500
+}
+
+test_route_mtu() {
+ setup_loopback
+ # Remove default local routes
+ ip route del local 10.0.0.1/32 table local dev lo
+ ip route del local fd00::1/128 table local dev lo
+ # Install local routes with reduced MTU
+ ip route add local 10.0.0.1/32 table local dev lo mtu 1500
+ ip route add local fd00::1/128 table local dev lo mtu 1500
+}
+
+if [ "$#" -gt 0 ]; then
+ "$1"
+ shift 2 # pop "test_*" arg and "--" delimiter
+ exec "$@"
+fi
+
echo "ipv4 cmsg"
-./in_netns.sh ./udpgso -4 -C
+./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C
echo "ipv4 setsockopt"
-./in_netns.sh ./udpgso -4 -C -s
+./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C -s
echo "ipv6 cmsg"
-./in_netns.sh ./udpgso -6 -C
+./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C
echo "ipv6 setsockopt"
-./in_netns.sh ./udpgso -6 -C -s
+./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C -s
echo "ipv4 connected"
-./in_netns.sh ./udpgso -4 -c
+./in_netns.sh "$0" test_route_mtu -- ./udpgso -4 -c
-# blocked on 2nd loopback address
-# echo "ipv6 connected"
-# ./in_netns.sh ./udpgso -6 -c
+echo "ipv6 connected"
+./in_netns.sh "$0" test_route_mtu -- ./udpgso -6 -c
echo "ipv4 msg_more"
-./in_netns.sh ./udpgso -4 -C -m
+./in_netns.sh "$0" test_dev_mtu -- ./udpgso -4 -C -m
echo "ipv6 msg_more"
-./in_netns.sh ./udpgso -6 -C -m
+./in_netns.sh "$0" test_dev_mtu -- ./udpgso -6 -C -m