diff options
Diffstat (limited to 'tools/testing/selftests/drivers/net/mlxsw/ingress_rif_conf_1d.sh')
| -rwxr-xr-x | tools/testing/selftests/drivers/net/mlxsw/ingress_rif_conf_1d.sh | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/mlxsw/ingress_rif_conf_1d.sh b/tools/testing/selftests/drivers/net/mlxsw/ingress_rif_conf_1d.sh new file mode 100755 index 000000000000..df2b09966886 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/ingress_rif_conf_1d.sh @@ -0,0 +1,264 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Test routing over bridge and verify that the order of configuration does not +# impact switch behavior. Verify that RIF is added correctly for existing +# mappings and that new mappings use the correct RIF. + +# +-------------------+ +--------------------+ +# | H1 | | H2 | +# | | | | +# | $h1.10 + | | + $h2.10 | +# | 192.0.2.1/28 | | | | 192.0.2.3/28 | +# | | | | | | +# | $h1 + | | + $h2 | +# +----------------|--+ +--|-----------------+ +# | | +# +----------------|-------------------------|-----------------+ +# | SW | | | +# | +--------------|-------------------------|---------------+ | +# | | $swp1 + + $swp2 | | +# | | | | | | +# | | $swp1.10 + + $swp2.10 | | +# | | | | +# | | br0 | | +# | | 192.0.2.2/28 | | +# | +--------------------------------------------------------+ | +# | | +# | $swp3.10 + | +# | 192.0.2.17/28 | | +# | | | +# | $swp3 + | +# +---------------|--------------------------------------------+ +# | +# +---------------|--+ +# | $h3 + | +# | | | +# | $h3.10 + | +# | 192.0.2.18/28 | +# | | +# | H3 | +# +------------------+ + +lib_dir=$(dirname $0)/../../../net/forwarding + +ALL_TESTS=" + port_vid_map_rif + rif_port_vid_map +" + +NUM_NETIFS=6 +source $lib_dir/lib.sh +source $lib_dir/tc_common.sh +source $lib_dir/devlink_lib.sh + +h1_create() +{ + simple_if_init $h1 + vlan_create $h1 10 v$h1 192.0.2.1/28 + + ip route add 192.0.2.16/28 vrf v$h1 nexthop via 192.0.2.2 +} + +h1_destroy() +{ + ip route del 192.0.2.16/28 vrf v$h1 nexthop via 192.0.2.2 + + vlan_destroy $h1 10 + simple_if_fini $h1 +} + +h2_create() +{ + simple_if_init $h2 + vlan_create $h2 10 v$h2 192.0.2.3/28 +} + +h2_destroy() +{ + vlan_destroy $h2 10 + simple_if_fini $h2 +} + +h3_create() +{ + simple_if_init $h3 + vlan_create $h3 10 v$h3 192.0.2.18/28 + + ip route add 192.0.2.0/28 vrf v$h3 nexthop via 192.0.2.17 +} + +h3_destroy() +{ + ip route del 192.0.2.0/28 vrf v$h3 nexthop via 192.0.2.17 + + vlan_destroy $h3 10 + simple_if_fini $h3 +} + +switch_create() +{ + ip link set dev $swp1 up + + ip link add dev br0 type bridge mcast_snooping 0 + + # By default, a link-local address is generated when netdevice becomes + # up. Adding an address to the bridge will cause creating a RIF for it. + # Prevent generating link-local address to be able to control when the + # RIF is added. + sysctl_set net.ipv6.conf.br0.addr_gen_mode 1 + ip link set dev br0 up + + ip link set dev $swp2 up + vlan_create $swp2 10 + ip link set dev $swp2.10 master br0 + + ip link set dev $swp3 up + vlan_create $swp3 10 "" 192.0.2.17/28 + tc qdisc add dev $swp3 clsact + + # Replace neighbor to avoid 1 packet which is forwarded in software due + # to "unresolved neigh". + ip neigh replace dev $swp3.10 192.0.2.18 lladdr $(mac_get $h3.10) +} + +switch_destroy() +{ + tc qdisc del dev $swp3 clsact + vlan_destroy $swp3 10 + ip link set dev $swp3 down + + ip link set dev $swp2.10 nomaster + vlan_destroy $swp2 10 + ip link set dev $swp2 down + + ip link set dev br0 down + sysctl_restore net.ipv6.conf.br0.addr_gen_mode + ip link del dev br0 + + ip link set dev $swp1 down +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + swp3=${NETIFS[p5]} + h3=${NETIFS[p6]} + + vrf_prepare + forwarding_enable + + h1_create + h2_create + h3_create + + switch_create +} + +cleanup() +{ + pre_cleanup + + switch_destroy + + h3_destroy + h2_destroy + h1_destroy + + forwarding_restore + vrf_cleanup +} + +bridge_rif_add() +{ + rifs_occ_t0=$(devlink_resource_occ_get rifs) + __addr_add_del br0 add 192.0.2.2/28 + rifs_occ_t1=$(devlink_resource_occ_get rifs) + + expected_rifs=$((rifs_occ_t0 + 1)) + + [[ $expected_rifs -eq $rifs_occ_t1 ]] + check_err $? "Expected $expected_rifs RIFs, $rifs_occ_t1 are used" + + sleep 1 +} + +bridge_rif_del() +{ + __addr_add_del br0 del 192.0.2.2/28 +} + +port_vid_map_rif() +{ + RET=0 + + # First add {port, VID}->FID for $swp1.10, then add a RIF and verify + # that packets can be routed via the existing mapping. + vlan_create $swp1 10 + ip link set dev $swp1.10 master br0 + bridge_rif_add + + # The hardware matches on the first ethertype which is not VLAN, + # so the protocol should be IP. + tc filter add dev $swp3 egress protocol ip pref 1 handle 101 \ + flower skip_sw dst_ip 192.0.2.18 action pass + + ping_do $h1.10 192.0.2.18 + check_err $? "Ping failed" + + tc_check_at_least_x_packets "dev $swp3 egress" 101 10 + check_err $? "Packets were not routed in hardware" + + log_test "Add RIF for existing {port, VID}->FID mapping" + + tc filter del dev $swp3 egress + + bridge_rif_del + ip link set dev $swp1.10 nomaster + vlan_destroy $swp1 10 +} + +rif_port_vid_map() +{ + RET=0 + + # First add an address to the bridge, which will create a RIF on top of + # it, then add a new {port, VID}->FID mapping and verify that packets + # can be routed via the new mapping. + bridge_rif_add + vlan_create $swp1 10 + ip link set dev $swp1.10 master br0 + + # The hardware matches on the first ethertype which is not VLAN, + # so the protocol should be IP. + tc filter add dev $swp3 egress protocol ip pref 1 handle 101 \ + flower skip_sw dst_ip 192.0.2.18 action pass + + ping_do $h1.10 192.0.2.18 + check_err $? "Ping failed" + + tc_check_at_least_x_packets "dev $swp3 egress" 101 10 + check_err $? "Packets were not routed in hardware" + + log_test "Add {port, VID}->FID mapping for FID with a RIF" + + tc filter del dev $swp3 egress + + ip link set dev $swp1.10 nomaster + vlan_destroy $swp1 10 + bridge_rif_del +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS |