#!/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 "tc action mirred egress mirror" when the underlay route points at a # bridge device without vlan filtering (802.1d). The device attached to that # bridge is a VLAN. ALL_TESTS=" test_gretap test_ip6gretap test_gretap_stp test_ip6gretap_stp " 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 link add name br2 address $(mac_get $swp3) \ type bridge vlan_filtering 0 ip link set dev br2 up vlan_create $swp3 555 ip link set dev $swp3.555 master br2 ip route add 192.0.2.130/32 dev br2 ip -6 route add 2001:db8:2::2/128 dev br2 ip address add dev br2 192.0.2.129/32 ip address add dev br2 2001:db8:2::1/128 vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64 } cleanup() { pre_cleanup vlan_destroy $h3 555 ip link del dev br2 vlan_destroy $swp3 555 mirror_gre_topo_destroy vrf_cleanup } test_vlan_match() { local tundev=$1; shift local vlan_match=$1; shift local what=$1; shift full_test_span_gre_dir_vlan $tundev ingress "$vlan_match" 8 0 "$what" full_test_span_gre_dir_vlan $tundev egress "$vlan_match" 0 8 "$what" } test_gretap() { test_vlan_match gt4 'skip_hw vlan_id 555 vlan_ethtype ip' \ "mirror to gretap" } test_ip6gretap() { test_vlan_match gt6 'skip_hw vlan_id 555 vlan_ethtype ipv6' \ "mirror to ip6gretap" } test_gretap_stp() { # Sometimes after mirror installation, the neighbor's state is not valid. # The reason is that there is no SW datapath activity related to the # neighbor for the remote GRE address. Therefore whether the corresponding # neighbor will be valid is a matter of luck, and the test is thus racy. # Set the neighbor's state to permanent, so it would be always valid. ip neigh replace 192.0.2.130 lladdr $(mac_get $h3) \ nud permanent dev br2 full_test_span_gre_stp gt4 $swp3.555 "mirror to gretap" } test_ip6gretap_stp() { ip neigh replace 2001:db8:2::2 lladdr $(mac_get $h3) \ nud permanent dev br2 full_test_span_gre_stp gt6 $swp3.555 "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