diff options
| -rwxr-xr-x | tools/testing/selftests/bpf/test_lwt_ip_encap.sh | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh index 612632c1425f..d4d3391cc13a 100755 --- a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh +++ b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh @@ -78,6 +78,8 @@ TEST_STATUS=0 TESTS_SUCCEEDED=0 TESTS_FAILED=0 +TMPFILE="" + process_test_results() { if [[ "${TEST_STATUS}" -eq 0 ]] ; then @@ -147,7 +149,6 @@ setup() ip -netns ${NS2} -6 addr add ${IPv6_7}/128 nodad dev veth7 ip -netns ${NS3} -6 addr add ${IPv6_8}/128 nodad dev veth8 - ip -netns ${NS1} link set dev veth1 up ip -netns ${NS2} link set dev veth2 up ip -netns ${NS2} link set dev veth3 up @@ -205,7 +206,7 @@ setup() # configure IPv4 GRE device in NS3, and a route to it via the "bottom" route ip -netns ${NS3} tunnel add gre_dev mode gre remote ${IPv4_1} local ${IPv4_GRE} ttl 255 ip -netns ${NS3} link set gre_dev up - ip -netns ${NS3} addr add ${IPv4_GRE} nodad dev gre_dev + ip -netns ${NS3} addr add ${IPv4_GRE} dev gre_dev ip -netns ${NS1} route add ${IPv4_GRE}/32 dev veth5 via ${IPv4_6} ip -netns ${NS2} route add ${IPv4_GRE}/32 dev veth7 via ${IPv4_8} @@ -222,12 +223,18 @@ setup() ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0 ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0 + TMPFILE=$(mktemp /tmp/test_lwt_ip_encap.XXXXXX) + sleep 1 # reduce flakiness set +e } cleanup() { + if [ -f ${TMPFILE} ] ; then + rm ${TMPFILE} + fi + ip netns del ${NS1} 2> /dev/null ip netns del ${NS2} 2> /dev/null ip netns del ${NS3} 2> /dev/null @@ -278,6 +285,46 @@ test_ping() fi } +test_gso() +{ + local readonly PROTO=$1 + local readonly PKT_SZ=5000 + local IP_DST="" + : > ${TMPFILE} # trim the capture file + + # check that nc is present + command -v nc >/dev/null 2>&1 || \ + { echo >&2 "nc is not available: skipping TSO tests"; return; } + + # listen on IPv*_DST, capture TCP into $TMPFILE + if [ "${PROTO}" == "IPv4" ] ; then + IP_DST=${IPv4_DST} + ip netns exec ${NS3} bash -c \ + "nc -4 -l -s ${IPv4_DST} -p 9000 > ${TMPFILE} &" + elif [ "${PROTO}" == "IPv6" ] ; then + IP_DST=${IPv6_DST} + ip netns exec ${NS3} bash -c \ + "nc -6 -l -s ${IPv6_DST} -p 9000 > ${TMPFILE} &" + RET=$? + else + echo " test_gso: unknown PROTO: ${PROTO}" + TEST_STATUS=1 + fi + sleep 1 # let nc start listening + + # send a packet larger than MTU + ip netns exec ${NS1} bash -c \ + "dd if=/dev/zero bs=$PKT_SZ count=1 > /dev/tcp/${IP_DST}/9000 2>/dev/null" + sleep 2 # let the packet get delivered + + # verify we received all expected bytes + SZ=$(stat -c %s ${TMPFILE}) + if [ "$SZ" != "$PKT_SZ" ] ; then + echo " test_gso failed: ${PROTO}" + TEST_STATUS=1 + fi +} + test_egress() { local readonly ENCAP=$1 @@ -307,6 +354,8 @@ test_egress() fi test_ping IPv4 0 test_ping IPv6 0 + test_gso IPv4 + test_gso IPv6 # a negative test: remove routes to GRE devices: ping fails remove_routes_to_gredev @@ -350,6 +399,7 @@ test_ingress() ip -netns ${NS2} -6 route add ${IPv6_DST} encap bpf in obj test_lwt_ip_encap.o sec encap_gre6 dev veth2 else echo "FAIL: unknown encap ${ENCAP}" + TEST_STATUS=1 fi test_ping IPv4 0 test_ping IPv6 0 |