name : mirror_gre_neigh.sh #!/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 for mirroring to gretap and ip6gretap, such that the neighbor entry for # the tunnel remote address has invalid address at the time that the mirroring # is set up. Later on, the neighbor is deleted and it is expected to be # reinitialized using the usual ARP process, and the mirroring offload updated. 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]} vrf_prepare mirror_gre_topo_create 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 mirror_gre_topo_destroy vrf_cleanup } test_span_gre_neigh() { local addr=$1; shift local tundev=$1; shift local direction=$1; shift local what=$1; shift RET=0 ip neigh replace dev $swp3 $addr lladdr 00:11:22:33:44:55 mirror_install $swp1 $direction $tundev "matchall $tcflags" fail_test_span_gre_dir $tundev ingress ip neigh del dev $swp3 $addr quick_test_span_gre_dir $tundev ingress mirror_uninstall $swp1 $direction log_test "$direction $what: neighbor change ($tcflags)" } test_gretap() { test_span_gre_neigh 192.0.2.130 gt4 ingress "mirror to gretap" test_span_gre_neigh 192.0.2.130 gt4 egress "mirror to gretap" } test_ip6gretap() { test_span_gre_neigh 2001:db8:2::2 gt6 ingress "mirror to ip6gretap" test_span_gre_neigh 2001:db8:2::2 gt6 egress "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