| #!/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 how mirrors to gretap and ip6gretap react to changes to relevant | |
| # configuration. | |
| ALL_TESTS=" | |
| test_ttl | |
| test_tun_up | |
| test_egress_up | |
| test_remote_ip | |
| test_tun_del | |
| test_route_del | |
| " | |
| 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]} | |
| vrf_prepare | |
| mirror_gre_topo_create | |
| # This test downs $swp3, which deletes the configured IPv6 address | |
| # unless this sysctl is set. | |
| sysctl_set net.ipv6.conf.$swp3.keep_addr_on_down 1 | |
| ip address add dev $swp3 192.0.2.129/28 | |
| ip address add dev $h3 192.0.2.130/28 | |
| ip address add dev $swp3 2001:db8:2::1/64 | |
| ip address add dev $h3 2001:db8:2::2/64 | |
| } | |
| cleanup() | |
| { | |
| pre_cleanup | |
| ip address del dev $h3 2001:db8:2::2/64 | |
| ip address del dev $swp3 2001:db8:2::1/64 | |
| ip address del dev $h3 192.0.2.130/28 | |
| ip address del dev $swp3 192.0.2.129/28 | |
| sysctl_restore net.ipv6.conf.$swp3.keep_addr_on_down | |
| mirror_gre_topo_destroy | |
| vrf_cleanup | |
| } | |
| test_span_gre_ttl() | |
| { | |
| local tundev=$1; shift | |
| local type=$1; shift | |
| local prot=$1; shift | |
| local what=$1; shift | |
| RET=0 | |
| mirror_install $swp1 ingress $tundev "matchall $tcflags" | |
| tc filter add dev $h3 ingress pref 77 prot $prot \ | |
| flower ip_ttl 50 action pass | |
| mirror_test v$h1 192.0.2.1 192.0.2.2 $h3 77 0 | |
| ip link set dev $tundev type $type ttl 50 | |
| mirror_test v$h1 192.0.2.1 192.0.2.2 $h3 77 10 | |
| ip link set dev $tundev type $type ttl 100 | |
| tc filter del dev $h3 ingress pref 77 | |
| mirror_uninstall $swp1 ingress | |
| log_test "$what: TTL change ($tcflags)" | |
| } | |
| test_span_gre_tun_up() | |
| { | |
| local tundev=$1; shift | |
| local what=$1; shift | |
| RET=0 | |
| ip link set dev $tundev down | |
| mirror_install $swp1 ingress $tundev "matchall $tcflags" | |
| fail_test_span_gre_dir $tundev ingress | |
| ip link set dev $tundev up | |
| quick_test_span_gre_dir $tundev ingress | |
| mirror_uninstall $swp1 ingress | |
| log_test "$what: tunnel down/up ($tcflags)" | |
| } | |
| test_span_gre_egress_up() | |
| { | |
| local tundev=$1; shift | |
| local remote_ip=$1; shift | |
| local what=$1; shift | |
| RET=0 | |
| ip link set dev $swp3 down | |
| mirror_install $swp1 ingress $tundev "matchall $tcflags" | |
| fail_test_span_gre_dir $tundev ingress | |
| # After setting the device up, wait for neighbor to get resolved so that | |
| # we can expect mirroring to work. | |
| ip link set dev $swp3 up | |
| while true; do | |
| ip neigh sh dev $swp3 $remote_ip nud reachable | | |
| grep -q ^ | |
| if [[ $? -ne 0 ]]; then | |
| sleep 1 | |
| else | |
| break | |
| fi | |
| done | |
| quick_test_span_gre_dir $tundev ingress | |
| mirror_uninstall $swp1 ingress | |
| log_test "$what: egress down/up ($tcflags)" | |
| } | |
| test_span_gre_remote_ip() | |
| { | |
| local tundev=$1; shift | |
| local type=$1; shift | |
| local correct_ip=$1; shift | |
| local wrong_ip=$1; shift | |
| local what=$1; shift | |
| RET=0 | |
| ip link set dev $tundev type $type remote $wrong_ip | |
| mirror_install $swp1 ingress $tundev "matchall $tcflags" | |
| fail_test_span_gre_dir $tundev ingress | |
| ip link set dev $tundev type $type remote $correct_ip | |
| quick_test_span_gre_dir $tundev ingress | |
| mirror_uninstall $swp1 ingress | |
| log_test "$what: remote address change ($tcflags)" | |
| } | |
| test_span_gre_tun_del() | |
| { | |
| local tundev=$1; shift | |
| local type=$1; shift | |
| local flags=$1; shift | |
| local local_ip=$1; shift | |
| local remote_ip=$1; shift | |
| local what=$1; shift | |
| RET=0 | |
| mirror_install $swp1 ingress $tundev "matchall $tcflags" | |
| quick_test_span_gre_dir $tundev ingress | |
| ip link del dev $tundev | |
| fail_test_span_gre_dir $tundev ingress | |
| tunnel_create $tundev $type $local_ip $remote_ip \ | |
| ttl 100 tos inherit $flags | |
| # Recreating the tunnel doesn't reestablish mirroring, so reinstall it | |
| # and verify it works for the follow-up tests. | |
| mirror_uninstall $swp1 ingress | |
| mirror_install $swp1 ingress $tundev "matchall $tcflags" | |
| quick_test_span_gre_dir $tundev ingress | |
| mirror_uninstall $swp1 ingress | |
| log_test "$what: tunnel deleted ($tcflags)" | |
| } | |
| test_span_gre_route_del() | |
| { | |
| local tundev=$1; shift | |
| local edev=$1; shift | |
| local route=$1; shift | |
| local what=$1; shift | |
| RET=0 | |
| mirror_install $swp1 ingress $tundev "matchall $tcflags" | |
| quick_test_span_gre_dir $tundev ingress | |
| ip route del $route dev $edev | |
| fail_test_span_gre_dir $tundev ingress | |
| ip route add $route dev $edev | |
| quick_test_span_gre_dir $tundev ingress | |
| mirror_uninstall $swp1 ingress | |
| log_test "$what: underlay route removal ($tcflags)" | |
| } | |
| test_ttl() | |
| { | |
| test_span_gre_ttl gt4 gretap ip "mirror to gretap" | |
| test_span_gre_ttl gt6 ip6gretap ipv6 "mirror to ip6gretap" | |
| } | |
| test_tun_up() | |
| { | |
| test_span_gre_tun_up gt4 "mirror to gretap" | |
| test_span_gre_tun_up gt6 "mirror to ip6gretap" | |
| } | |
| test_egress_up() | |
| { | |
| test_span_gre_egress_up gt4 192.0.2.130 "mirror to gretap" | |
| test_span_gre_egress_up gt6 2001:db8:2::2 "mirror to ip6gretap" | |
| } | |
| test_remote_ip() | |
| { | |
| test_span_gre_remote_ip gt4 gretap 192.0.2.130 192.0.2.132 "mirror to gretap" | |
| test_span_gre_remote_ip gt6 ip6gretap 2001:db8:2::2 2001:db8:2::4 "mirror to ip6gretap" | |
| } | |
| test_tun_del() | |
| { | |
| test_span_gre_tun_del gt4 gretap "" \ | |
| 192.0.2.129 192.0.2.130 "mirror to gretap" | |
| test_span_gre_tun_del gt6 ip6gretap allow-localremote \ | |
| 2001:db8:2::1 2001:db8:2::2 "mirror to ip6gretap" | |
| } | |
| test_route_del() | |
| { | |
| test_span_gre_route_del gt4 $swp3 192.0.2.128/28 "mirror to gretap" | |
| test_span_gre_route_del gt6 $swp3 2001:db8:2::/64 "mirror to ip6gretap" | |
| } | |
| 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 |