| #!/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 |
