Although setup_ns() set net.ipv4.conf.default.rp_filter=0, loading certain module such as ipip will automatically create a tunl0 interface in all netns including new created ones, this in script is before than default.rp_filter=0 applied, as a result tunl0.rp_filter remains set to 1 which causes the test report FAIL when ipip module is preloaded.

Before fix: Testing DR mode... Testing NAT mode... Testing Tunnel mode... ipvs.sh: FAIL

After fix: Testing DR mode... Testing NAT mode... Testing Tunnel mode... ipvs.sh: PASS

Fixes: ("7c8b89ec5 selftests: netfilter: remove rp_filter configuration")

Signed-off-by: Yi Chen yiche@redhat.com --- tools/testing/selftests/net/netfilter/ipvs.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/net/netfilter/ipvs.sh b/tools/testing/selftests/net/netfilter/ipvs.sh index 6af2ea3ad6b8..9c9d5b38ab71 100755 --- a/tools/testing/selftests/net/netfilter/ipvs.sh +++ b/tools/testing/selftests/net/netfilter/ipvs.sh @@ -151,7 +151,7 @@ test_nat() { test_tun() { ip netns exec "${ns0}" ip route add "${vip_v4}" via "${gip_v4}" dev br0

- ip netns exec "${ns1}" modprobe -q ipip + modprobe -q ipip ip netns exec "${ns1}" ip link set tunl0 up ip netns exec "${ns1}" sysctl -qw net.ipv4.ip_forward=0 ip netns exec "${ns1}" sysctl -qw net.ipv4.conf.all.send_redirects=0 @@ -160,10 +160,10 @@ test_tun() { ip netns exec "${ns1}" ipvsadm -a -i -t "${vip_v4}:${port}" -r ${rip_v4}:${port} ip netns exec "${ns1}" ip addr add ${vip_v4}/32 dev lo:1

- ip netns exec "${ns2}" modprobe -q ipip ip netns exec "${ns2}" ip link set tunl0 up ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_ignore=1 ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_announce=2 + ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.tunl0.rp_filter=0 ip netns exec "${ns2}" ip addr add "${vip_v4}/32" dev lo:1

test_service