1 files changed, 82 insertions, 10 deletions
diff --git a/tools/testing/selftests/net/udpgso.sh b/tools/testing/selftests/net/udpgso.sh
index fec24f584fe9..85d1fa3c1ff7 100755
--- a/tools/testing/selftests/net/udpgso.sh
+++ b/tools/testing/selftests/net/udpgso.sh
@@ -3,27 +3,99 @@
 #
 # 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
+}
+
+setup_dummy_sink() {
+	ip link add name sink mtu 1500 type dummy
+	ip addr add dev sink 10.0.0.0/24
+	ip addr add dev sink fd00::2/64 nodad
+	ip link set dev sink up
+}
+
+test_hw_gso_hw_csum() {
+	setup_dummy_sink
+	ethtool -K sink tx-checksum-ip-generic on >/dev/null
+	ethtool -K sink tx-udp-segmentation on >/dev/null
+}
+
+test_sw_gso_hw_csum() {
+	setup_dummy_sink
+	ethtool -K sink tx-checksum-ip-generic on >/dev/null
+	ethtool -K sink tx-udp-segmentation off >/dev/null
+}
+
+test_sw_gso_sw_csum() {
+	setup_dummy_sink
+	ethtool -K sink tx-checksum-ip-generic off >/dev/null
+	ethtool -K sink tx-udp-segmentation off >/dev/null
+}
+
+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
+
+echo "ipv4 hw-gso hw-csum"
+./in_netns.sh "$0" test_hw_gso_hw_csum -- ./udpgso -4 -C -R
+
+echo "ipv6 hw-gso hw-csum"
+./in_netns.sh "$0" test_hw_gso_hw_csum -- ./udpgso -6 -C -R
+
+echo "ipv4 sw-gso hw-csum"
+./in_netns.sh "$0" test_sw_gso_hw_csum -- ./udpgso -4 -C -R
+
+echo "ipv6 sw-gso hw-csum"
+./in_netns.sh "$0" test_sw_gso_hw_csum -- ./udpgso -6 -C -R
+
+echo "ipv4 sw-gso sw-csum"
+./in_netns.sh "$0" test_sw_gso_sw_csum -- ./udpgso -4 -C -R
+
+echo "ipv6 sw-gso sw-csum"
+./in_netns.sh "$0" test_sw_gso_sw_csum -- ./udpgso -6 -C -R