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author | Willem de Bruijn <willemb@google.com> | 2019-03-22 21:32:59 +0300 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2019-03-22 23:52:45 +0300 |
commit | 94f16813e1b297d31f8fe6217cd9be19e080f998 (patch) | |
tree | d609d2a8d561ecb291d12377eafe08a319ec5141 /tools/testing/selftests/bpf/test_tc_tunnel.sh | |
parent | 005edd16562b78f416e2f576a64789c90d96882f (diff) | |
download | linux-94f16813e1b297d31f8fe6217cd9be19e080f998.tar.xz |
selftests/bpf: convert bpf tunnel test to BPF_F_ADJ_ROOM_FIXED_GSO
Lower route MTU to ensure packets fit in device MTU after encap, then
skip the gso_size changes.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/test_tc_tunnel.sh')
-rwxr-xr-x | tools/testing/selftests/bpf/test_tc_tunnel.sh | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_tc_tunnel.sh b/tools/testing/selftests/bpf/test_tc_tunnel.sh index 9e18754f2354..cda5317790d2 100755 --- a/tools/testing/selftests/bpf/test_tc_tunnel.sh +++ b/tools/testing/selftests/bpf/test_tc_tunnel.sh @@ -35,6 +35,12 @@ setup() { ip -netns "${ns1}" -6 addr add "${ns1_v6}/64" dev veth1 nodad ip -netns "${ns2}" -6 addr add "${ns2_v6}/64" dev veth2 nodad + # clamp route to reserve room for tunnel headers + ip -netns "${ns1}" -4 route flush table main + ip -netns "${ns1}" -6 route flush table main + ip -netns "${ns1}" -4 route add "${ns2_v4}" mtu 1476 dev veth1 + ip -netns "${ns1}" -6 route add "${ns2_v6}" mtu 1456 dev veth1 + sleep 1 dd if=/dev/urandom of="${infile}" bs="${datalen}" count=1 status=none |