@@ -53,6 +53,7 @@ static bool cfg_do_ipv6;
static bool cfg_do_connected;
static bool cfg_do_connectionless;
static bool cfg_do_msgmore;
+static bool cfg_do_recv = true;
static bool cfg_do_setsockopt;
static int cfg_specific_test_id = -1;
@@ -414,6 +415,9 @@ static void run_one(struct testcase *test, int fdt, int fdr,
if (!sent)
return;
+ if (!cfg_do_recv)
+ return;
+
if (test->gso_len)
mss = test->gso_len;
else
@@ -464,8 +468,10 @@ static void run_test(struct sockaddr *addr, socklen_t alen)
if (fdr == -1)
error(1, errno, "socket r");
- if (bind(fdr, addr, alen))
- error(1, errno, "bind");
+ if (cfg_do_recv) {
+ if (bind(fdr, addr, alen))
+ error(1, errno, "bind");
+ }
/* Have tests fail quickly instead of hang */
if (setsockopt(fdr, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)))
@@ -524,7 +530,7 @@ static void parse_opts(int argc, char **argv)
{
int c;
- while ((c = getopt(argc, argv, "46cCmst:")) != -1) {
+ while ((c = getopt(argc, argv, "46cCmRst:")) != -1) {
switch (c) {
case '4':
cfg_do_ipv4 = true;
@@ -541,6 +547,9 @@ static void parse_opts(int argc, char **argv)
case 'm':
cfg_do_msgmore = true;
break;
+ case 'R':
+ cfg_do_recv = false;
+ break;
case 's':
cfg_do_setsockopt = true;
break;
@@ -27,6 +27,31 @@ test_route_mtu() {
ip route add local fd00::1/128 table local dev lo mtu 1500
}
+setup_dummy_sink() {
+ ip link add name sink type dummy mtu 1500
+ 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
@@ -56,3 +81,21 @@ echo "ipv4 msg_more"
echo "ipv6 msg_more"
./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
Extend the existing test to exercise UDP GSO egress through devices with various offload capabilities, including lack of checksum offload, which is the default case for TUN/TAP devices. Test against a dummy device because it is simpler to set up then TUN/TAP. Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> --- tools/testing/selftests/net/udpgso.c | 15 +++++++++--- tools/testing/selftests/net/udpgso.sh | 43 +++++++++++++++++++++++++++++++++++ 2 files changed, 55 insertions(+), 3 deletions(-)