| #!/bin/bash | |
| # SPDX-License-Identifier: GPL-2.0 | |
| # This test uses standard topology for testing gretap. See | |
| # mirror_gre_topo_lib.sh for more details. | |
| # | |
| # Test that gretap and ip6gretap mirroring works when the other tunnel endpoint | |
| # is reachable through a next-hop route (as opposed to directly-attached route). | |
| ALL_TESTS=" | |
| test_gretap | |
| test_ip6gretap | |
| " | |
| NUM_NETIFS=6 | |
| source lib.sh | |
| source mirror_lib.sh | |
| source mirror_gre_lib.sh | |
| source mirror_gre_topo_lib.sh | |
| setup_prepare() | |
| { | |
| h1=${NETIFS[p1]} | |
| swp1=${NETIFS[p2]} | |
| swp2=${NETIFS[p3]} | |
| h2=${NETIFS[p4]} | |
| swp3=${NETIFS[p5]} | |
| h3=${NETIFS[p6]} | |
| sysctl_set net.ipv4.conf.all.rp_filter 0 | |
| sysctl_set net.ipv4.conf.$h3.rp_filter 0 | |
| vrf_prepare | |
| mirror_gre_topo_create | |
| ip address add dev $swp3 192.0.2.161/28 | |
| ip address add dev $h3 192.0.2.162/28 | |
| ip address add dev gt4 192.0.2.129/32 | |
| ip address add dev h3-gt4 192.0.2.130/32 | |
| # IPv6 route can't be added after address. Such routes are rejected due | |
| # to the gateway address having been configured on the local system. It | |
| # works the other way around though. | |
| ip address add dev $swp3 2001:db8:4::1/64 | |
| ip -6 route add 2001:db8:2::2/128 via 2001:db8:4::2 | |
| ip address add dev $h3 2001:db8:4::2/64 | |
| ip address add dev gt6 2001:db8:2::1 | |
| ip address add dev h3-gt6 2001:db8:2::2 | |
| } | |
| cleanup() | |
| { | |
| pre_cleanup | |
| ip -6 route del 2001:db8:2::2/128 via 2001:db8:4::2 | |
| ip address del dev $h3 2001:db8:4::2/64 | |
| ip address del dev $swp3 2001:db8:4::1/64 | |
| ip address del dev $h3 192.0.2.162/28 | |
| ip address del dev $swp3 192.0.2.161/28 | |
| mirror_gre_topo_destroy | |
| vrf_cleanup | |
| sysctl_restore net.ipv4.conf.$h3.rp_filter | |
| sysctl_restore net.ipv4.conf.all.rp_filter | |
| } | |
| test_gretap() | |
| { | |
| RET=0 | |
| mirror_install $swp1 ingress gt4 "matchall $tcflags" | |
| # For IPv4, test that there's no mirroring without the route directing | |
| # the traffic to tunnel remote address. Then add it and test that | |
| # mirroring starts. For IPv6 we can't test this due to the limitation | |
| # that routes for locally-specified IPv6 addresses can't be added. | |
| fail_test_span_gre_dir gt4 ingress | |
| ip route add 192.0.2.130/32 via 192.0.2.162 | |
| quick_test_span_gre_dir gt4 ingress | |
| ip route del 192.0.2.130/32 via 192.0.2.162 | |
| mirror_uninstall $swp1 ingress | |
| log_test "mirror to gre with next-hop remote ($tcflags)" | |
| } | |
| test_ip6gretap() | |
| { | |
| RET=0 | |
| mirror_install $swp1 ingress gt6 "matchall $tcflags" | |
| quick_test_span_gre_dir gt6 ingress | |
| mirror_uninstall $swp1 ingress | |
| log_test "mirror to ip6gre with next-hop remote ($tcflags)" | |
| } | |
| test_all() | |
| { | |
| slow_path_trap_install $swp1 ingress | |
| slow_path_trap_install $swp1 egress | |
| tests_run | |
| slow_path_trap_uninstall $swp1 egress | |
| slow_path_trap_uninstall $swp1 ingress | |
| } | |
| trap cleanup EXIT | |
| setup_prepare | |
| setup_wait | |
| tcflags="skip_hw" | |
| test_all | |
| if ! tc_offload_check; then | |
| echo "WARN: Could not test offloaded functionality" | |
| else | |
| tcflags="skip_sw" | |
| test_all | |
| fi | |
| exit $EXIT_STATUS |