On 03/25/2019 10:36 AM, Alan Maguire wrote: > test_tc_tunnel.sh sets up a pair of namespaces connected by a > veth pair to verify encap/decap using bpf_skb_adjust_room. In > testing this, it uses tunnel links as the peer of the bpf-based > encap/decap. However because the same IP header is used for inner > and outer IP, when packets arrive at the tunnel interface they will > be dropped by reverse path filtering as those packets are expected > on the veth interface (where the destination IP of the decapped > packet is configured). > > To avoid this, ensure reverse path filtering is disabled for the > namespace using tunneling. > > Fixes: 98cdabcd0798 ("selftests/bpf: bpf tunnel encap test") > Signed-off-by: Alan Maguire <alan.maguire@xxxxxxxxxx> Applied, thanks!