diff options
| author | Guillaume Nault <gnault@redhat.com> | 2020-11-07 17:47:17 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-10 15:14:19 -0800 |
| commit | 1ccd58331f6f2af73758e572f8aa0215b0cacc0e (patch) | |
| tree | 8871204f415d9dd46e0d67f8a0068f9ecd2ce04e /tools/testing/selftests/net/bareudp.sh | |
| parent | 8be33ecfc1ffd2da20cc29e957e4cb6eb99310cb (diff) | |
selftests: disable rp_filter when testing bareudp
Some systems have rp_filter=1 as default configuration. This breaks
bareudp.sh as the intermediate namespaces handle part of the routing
with regular IPv4 routes but the reverse path is done with tc
(flower/tunnel_key/mirred).
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Link: https://lore.kernel.org/r/28140b7d20161e4f766b558018fe2718f9bc1117.1604767577.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/testing/selftests/net/bareudp.sh')
| -rwxr-xr-x | tools/testing/selftests/net/bareudp.sh | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/bareudp.sh b/tools/testing/selftests/net/bareudp.sh index c6fe22de7d0e..c2b9e990e544 100755 --- a/tools/testing/selftests/net/bareudp.sh +++ b/tools/testing/selftests/net/bareudp.sh @@ -234,6 +234,12 @@ setup_overlay_ipv4() ip netns exec "${NS2}" sysctl -qw net.ipv4.ip_forward=1 ip -netns "${NS1}" route add 192.0.2.100/32 via 192.0.2.10 ip -netns "${NS2}" route add 192.0.2.103/32 via 192.0.2.33 + + # The intermediate namespaces don't have routes for the reverse path, + # as it will be handled by tc. So we need to ensure that rp_filter is + # not going to block the traffic. + ip netns exec "${NS1}" sysctl -qw net.ipv4.conf.default.rp_filter=0 + ip netns exec "${NS2}" sysctl -qw net.ipv4.conf.default.rp_filter=0 } setup_overlay_ipv6() |