113 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03 4# This test uses standard topology for testing gretap. See5# mirror_gre_topo_lib.sh for more details.6#7# Test that gretap and ip6gretap mirroring works when the other tunnel endpoint8# is reachable through a next-hop route (as opposed to directly-attached route).9 10ALL_TESTS="11 test_gretap12 test_ip6gretap13"14 15NUM_NETIFS=616source lib.sh17source mirror_lib.sh18source mirror_gre_lib.sh19source mirror_gre_topo_lib.sh20 21setup_prepare()22{23 h1=${NETIFS[p1]}24 swp1=${NETIFS[p2]}25 26 swp2=${NETIFS[p3]}27 h2=${NETIFS[p4]}28 29 swp3=${NETIFS[p5]}30 h3=${NETIFS[p6]}31 32 sysctl_set net.ipv4.conf.all.rp_filter 033 sysctl_set net.ipv4.conf.$h3.rp_filter 034 35 vrf_prepare36 mirror_gre_topo_create37 38 sysctl_set net.ipv4.conf.v$h3.rp_filter 039 40 ip address add dev $swp3 192.0.2.161/2841 ip address add dev $h3 192.0.2.162/2842 ip address add dev gt4 192.0.2.129/3243 ip address add dev h3-gt4 192.0.2.130/3244 45 # IPv6 route can't be added after address. Such routes are rejected due46 # to the gateway address having been configured on the local system. It47 # works the other way around though.48 ip address add dev $swp3 2001:db8:4::1/6449 ip -6 route add 2001:db8:2::2/128 via 2001:db8:4::250 ip address add dev $h3 2001:db8:4::2/6451 ip address add dev gt6 2001:db8:2::152 ip address add dev h3-gt6 2001:db8:2::253}54 55cleanup()56{57 pre_cleanup58 59 ip -6 route del 2001:db8:2::2/128 via 2001:db8:4::260 ip address del dev $h3 2001:db8:4::2/6461 ip address del dev $swp3 2001:db8:4::1/6462 63 ip address del dev $h3 192.0.2.162/2864 ip address del dev $swp3 192.0.2.161/2865 66 sysctl_restore net.ipv4.conf.v$h3.rp_filter 067 68 mirror_gre_topo_destroy69 vrf_cleanup70 71 sysctl_restore net.ipv4.conf.$h3.rp_filter72 sysctl_restore net.ipv4.conf.all.rp_filter73}74 75test_gretap()76{77 RET=078 mirror_install $swp1 ingress gt4 "matchall"79 80 # For IPv4, test that there's no mirroring without the route directing81 # the traffic to tunnel remote address. Then add it and test that82 # mirroring starts. For IPv6 we can't test this due to the limitation83 # that routes for locally-specified IPv6 addresses can't be added.84 fail_test_span_gre_dir gt485 86 ip route add 192.0.2.130/32 via 192.0.2.16287 quick_test_span_gre_dir gt488 ip route del 192.0.2.130/32 via 192.0.2.16289 90 mirror_uninstall $swp1 ingress91 log_test "mirror to gre with next-hop remote"92}93 94test_ip6gretap()95{96 RET=097 98 mirror_install $swp1 ingress gt6 "matchall"99 quick_test_span_gre_dir gt6100 mirror_uninstall $swp1 ingress101 102 log_test "mirror to ip6gre with next-hop remote"103}104 105trap cleanup EXIT106 107setup_prepare108setup_wait109 110tests_run111 112exit $EXIT_STATUS113