name : mirror_gre_lag_lacp.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0 # Test for "tc action mirred egress mirror" when the underlay route points at a # team device. # # +----------------------+ +----------------------+ # | H1 | | H2 | # | + $h1.333 | | $h1.555 + | # | | 192.0.2.1/28 | | 192.0.2.18/28 | | # +----|-----------------+ +----------------|-----+ # | $h1 | # +---------------------------------+------------------------------+ # | # +--------------------------------------|------------------------------------+ # | SW o---> mirror | # | | | # | +----------------------------------+------------------------------+ | # | | $swp1 | | # | + $swp1.333 $swp1.555 + | # | 192.0.2.2/28 192.0.2.17/28 | # | | # | | # | + gt4 (gretap) ,-> + lag1 (team) | # | loc=192.0.2.129 | | 192.0.2.129/28 | # | rem=192.0.2.130 --' | | # | ttl=100 | | # | tos=inherit | | # | _____________________|______________________ | # | / \ | # | / \ | # | + $swp3 + $swp4 | # +---|------------------------------------------------|----------------------+ # | | # +---|------------------------------------------------|----------------------+ # | + $h3 + $h4 H3 | # | \ / | # | \____________________________________________/ | # | | | # | + lag2 (team) | # | 192.0.2.130/28 | # | | # +---------------------------------------------------------------------------+ ALL_TESTS=" test_mirror_gretap_first test_mirror_gretap_second " NUM_NETIFS=6 source lib.sh source mirror_lib.sh source mirror_gre_lib.sh require_command $ARPING vlan_host_create() { local if_name=$1; shift local vid=$1; shift local vrf_name=$1; shift local ips=("${@}") vrf_create $vrf_name ip link set dev $vrf_name up vlan_create $if_name $vid $vrf_name "${ips[@]}" } vlan_host_destroy() { local if_name=$1; shift local vid=$1; shift local vrf_name=$1; shift vlan_destroy $if_name $vid ip link set dev $vrf_name down vrf_destroy $vrf_name } h1_create() { vlan_host_create $h1 333 vrf-h1 192.0.2.1/28 ip -4 route add 192.0.2.16/28 vrf vrf-h1 nexthop via 192.0.2.2 } h1_destroy() { ip -4 route del 192.0.2.16/28 vrf vrf-h1 vlan_host_destroy $h1 333 vrf-h1 } h2_create() { vlan_host_create $h1 555 vrf-h2 192.0.2.18/28 ip -4 route add 192.0.2.0/28 vrf vrf-h2 nexthop via 192.0.2.17 } h2_destroy() { ip -4 route del 192.0.2.0/28 vrf vrf-h2 vlan_host_destroy $h1 555 vrf-h2 } h3_create_team() { team_create lag2 lacp $h3 $h4 __simple_if_init lag2 vrf-h3 192.0.2.130/32 ip -4 route add vrf vrf-h3 192.0.2.129/32 dev lag2 } h3_destroy_team() { ip -4 route del vrf vrf-h3 192.0.2.129/32 dev lag2 __simple_if_fini lag2 192.0.2.130/32 team_destroy lag2 ip link set dev $h3 down ip link set dev $h4 down } h3_create() { vrf_create vrf-h3 ip link set dev vrf-h3 up tc qdisc add dev $h3 clsact tc qdisc add dev $h4 clsact h3_create_team } h3_destroy() { h3_destroy_team tc qdisc del dev $h4 clsact tc qdisc del dev $h3 clsact ip link set dev vrf-h3 down vrf_destroy vrf-h3 } switch_create() { ip link set dev $swp1 up tc qdisc add dev $swp1 clsact vlan_create $swp1 333 "" 192.0.2.2/28 vlan_create $swp1 555 "" 192.0.2.17/28 tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \ ttl 100 tos inherit ip link set dev $swp3 up ip link set dev $swp4 up team_create lag1 lacp $swp3 $swp4 __addr_add_del lag1 add 192.0.2.129/32 ip -4 route add 192.0.2.130/32 dev lag1 } switch_destroy() { ip -4 route del 192.0.2.130/32 dev lag1 __addr_add_del lag1 del 192.0.2.129/32 team_destroy lag1 ip link set dev $swp4 down ip link set dev $swp3 down tunnel_destroy gt4 vlan_destroy $swp1 555 vlan_destroy $swp1 333 tc qdisc del dev $swp1 clsact ip link set dev $swp1 down } setup_prepare() { h1=${NETIFS[p1]} swp1=${NETIFS[p2]} swp3=${NETIFS[p3]} h3=${NETIFS[p4]} swp4=${NETIFS[p5]} h4=${NETIFS[p6]} vrf_prepare ip link set dev $h1 up h1_create h2_create h3_create switch_create trap_install $h3 ingress trap_install $h4 ingress } cleanup() { pre_cleanup trap_uninstall $h4 ingress trap_uninstall $h3 ingress switch_destroy h3_destroy h2_destroy h1_destroy ip link set dev $h1 down vrf_cleanup } test_lag_slave() { local up_dev=$1; shift local down_dev=$1; shift local what=$1; shift RET=0 mirror_install $swp1 ingress gt4 \ "proto 802.1q flower vlan_id 333 $tcflags" # Move $down_dev away from the team. That will prompt change in # txability of the connected device, without changing its upness. The # driver should notice the txability change and move the traffic to the # other slave. ip link set dev $down_dev nomaster sleep 2 mirror_test vrf-h1 192.0.2.1 192.0.2.18 $up_dev 1 10 # Test lack of connectivity when neither slave is txable. ip link set dev $up_dev nomaster sleep 2 mirror_test vrf-h1 192.0.2.1 192.0.2.18 $h3 1 0 mirror_test vrf-h1 192.0.2.1 192.0.2.18 $h4 1 0 mirror_uninstall $swp1 ingress # Recreate H3's team device, because mlxsw, which this test is # predominantly mean to test, requires a bottom-up construction and # doesn't allow enslavement to a device that already has an upper. h3_destroy_team h3_create_team # Wait for ${h,swp}{3,4}. setup_wait log_test "$what ($tcflags)" } test_mirror_gretap_first() { test_lag_slave $h3 $h4 "mirror to gretap: LAG first slave" } test_mirror_gretap_second() { test_lag_slave $h4 $h3 "mirror to gretap: LAG second slave" } 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