name : router_bridge.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0 # +------------------------+ +----------------------+ # | H1 (vrf) | | H2 (vrf) | # | + $h1 | | + $h2 | # | | 192.0.2.1/28 | | | 192.0.2.130/28 | # | | 2001:db8:1::1/64 | | | 2001:db8:2::2/64 | # | | | | | | # +----|-------------------+ +--|-------------------+ # | | # +----|--------------------------------------------------|-------------------+ # | SW | | | # | +--|-----------------------------+ + $swp2 | # | | + $swp1 BR1 (802.1q) | 192.0.2.129/28 | # | | 192.0.2.2/28 | 2001:db8:2::1/64 | # | | 2001:db8:1::1/64 | | # | | | | # | +--------------------------------+ | # +---------------------------------------------------------------------------+ ALL_TESTS=" ping_ipv4 ping_ipv6 config_remaster ping_ipv4 ping_ipv6 config_remove_pvid ping_ipv4_fails ping_ipv6_fails config_add_pvid ping_ipv4 ping_ipv6 config_late_pvid ping_ipv4 ping_ipv6 " NUM_NETIFS=4 source lib.sh h1_create() { simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64 ip -4 route add 192.0.2.128/28 vrf v$h1 nexthop via 192.0.2.2 ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2 } h1_destroy() { ip -6 route del 2001:db8:2::/64 vrf v$h1 ip -4 route del 192.0.2.128/28 vrf v$h1 simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64 } h2_create() { simple_if_init $h2 192.0.2.130/28 2001:db8:2::2/64 ip -4 route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.129 ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1 } h2_destroy() { ip -6 route del 2001:db8:1::/64 vrf v$h2 ip -4 route del 192.0.2.0/28 vrf v$h2 simple_if_fini $h2 192.0.2.130/28 2001:db8:2::2/64 } router_create() { ip link add name br1 address $(mac_get $swp1) \ type bridge vlan_filtering 1 ip link set dev br1 up ip link set dev $swp1 master br1 ip link set dev $swp1 up __addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64 ip link set dev $swp2 up __addr_add_del $swp2 add 192.0.2.129/28 2001:db8:2::1/64 } router_destroy() { __addr_add_del $swp2 del 192.0.2.129/28 2001:db8:2::1/64 ip link set dev $swp2 down __addr_add_del br1 del 192.0.2.2/28 2001:db8:1::2/64 ip link set dev $swp1 down ip link set dev $swp1 nomaster ip link del dev br1 } config_remaster() { log_info "Remaster bridge slave" ip link set dev $swp1 nomaster sleep 2 ip link set dev $swp1 master br1 } config_remove_pvid() { log_info "Remove PVID from the bridge" bridge vlan add dev br1 vid 1 self sleep 2 } config_add_pvid() { log_info "Add PVID to the bridge" bridge vlan add dev br1 vid 1 self pvid untagged sleep 2 } config_late_pvid() { log_info "Add bridge PVID after enslaving port" ip link set dev $swp1 nomaster ip link set dev br1 type bridge vlan_default_pvid 0 sleep 2 ip link set dev $swp1 master br1 ip link set dev br1 type bridge vlan_default_pvid 1 } setup_prepare() { h1=${NETIFS[p1]} swp1=${NETIFS[p2]} swp2=${NETIFS[p3]} h2=${NETIFS[p4]} vrf_prepare h1_create h2_create router_create forwarding_enable } cleanup() { pre_cleanup forwarding_restore router_destroy h2_destroy h1_destroy vrf_cleanup } ping_ipv4() { ping_test $h1 192.0.2.130 } ping_ipv6() { ping6_test $h1 2001:db8:2::2 } ping_ipv4_fails() { ping_test_fails $h1 192.0.2.130 } ping_ipv6_fails() { ping6_test_fails $h1 2001:db8:2::2 } trap cleanup EXIT setup_prepare setup_wait tests_run exit $EXIT_STATUS