From d7bd61fa0222db1cdc01d66bec2477c9fdfa6d4f Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Fri, 25 Oct 2024 16:26:29 +0200 Subject: selftests: forwarding: Add IPv6 GRE remote change tests Test that after changing the remote address of an ip6gre net device traffic is forwarded as expected. Test with both flat and hierarchical topologies and with and without an input / output keys. Signed-off-by: Ido Schimmel Reviewed-by: Petr Machata Signed-off-by: Petr Machata Link: https://patch.msgid.link/02b05246d2cdada0cf2fccffc0faa8a424d0f51b.1729866134.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski --- .../testing/selftests/net/forwarding/ip6gre_lib.sh | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) (limited to 'tools/testing/selftests/net/forwarding/ip6gre_lib.sh') diff --git a/tools/testing/selftests/net/forwarding/ip6gre_lib.sh b/tools/testing/selftests/net/forwarding/ip6gre_lib.sh index 24f4ab328bd2..2d91281dc5b7 100644 --- a/tools/testing/selftests/net/forwarding/ip6gre_lib.sh +++ b/tools/testing/selftests/net/forwarding/ip6gre_lib.sh @@ -436,3 +436,83 @@ test_mtu_change() check_err $? log_test "ping GRE IPv6, packet size 1800 after MTU change" } + +topo_flat_remote_change() +{ + local old1=$1; shift + local new1=$1; shift + local old2=$1; shift + local new2=$1; shift + + ip link set dev g1a type ip6gre local $new1 remote $new2 + __addr_add_del g1a add "$new1/128" + __addr_add_del g1a del "$old1/128" + ip -6 route add $new2/128 via 2001:db8:10::2 + ip -6 route del $old2/128 + + ip link set dev g2a type ip6gre local $new2 remote $new1 + __addr_add_del g2a add "$new2/128" + __addr_add_del g2a del "$old2/128" + ip -6 route add vrf v$ol2 $new1/128 via 2001:db8:10::1 + ip -6 route del vrf v$ol2 $old1/128 +} + +flat_remote_change() +{ + local old1=2001:db8:3::1 + local new1=2001:db8:3::10 + local old2=2001:db8:3::2 + local new2=2001:db8:3::20 + + topo_flat_remote_change $old1 $new1 $old2 $new2 +} + +flat_remote_restore() +{ + local old1=2001:db8:3::10 + local new1=2001:db8:3::1 + local old2=2001:db8:3::20 + local new2=2001:db8:3::2 + + topo_flat_remote_change $old1 $new1 $old2 $new2 +} + +topo_hier_remote_change() +{ + local old1=$1; shift + local new1=$1; shift + local old2=$1; shift + local new2=$1; shift + + __addr_add_del dummy1 del "$old1/64" + __addr_add_del dummy1 add "$new1/64" + ip link set dev g1a type ip6gre local $new1 remote $new2 + ip -6 route add vrf v$ul1 $new2/128 via 2001:db8:10::2 + ip -6 route del vrf v$ul1 $old2/128 + + __addr_add_del dummy2 del "$old2/64" + __addr_add_del dummy2 add "$new2/64" + ip link set dev g2a type ip6gre local $new2 remote $new1 + ip -6 route add vrf v$ul2 $new1/128 via 2001:db8:10::1 + ip -6 route del vrf v$ul2 $old1/128 +} + +hier_remote_change() +{ + local old1=2001:db8:3::1 + local new1=2001:db8:3::10 + local old2=2001:db8:3::2 + local new2=2001:db8:3::20 + + topo_hier_remote_change $old1 $new1 $old2 $new2 +} + +hier_remote_restore() +{ + local old1=2001:db8:3::10 + local new1=2001:db8:3::1 + local old2=2001:db8:3::20 + local new2=2001:db8:3::2 + + topo_hier_remote_change $old1 $new1 $old2 $new2 +} -- cgit v1.2.3