selftests/bpf: convert bpf tunnel test to BPF_F_ADJ_ROOM_FIXED_GSO

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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>

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Willem de Bruijn 2019-03-22 14:32:59 -04:00 • committed by Alexei Starovoitov

parent 005edd1656

commit 94f16813e1

2 changed files with 14 additions and 3 deletions

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11

tools/testing/selftests/bpf/progs/test_tc_tunnel.c

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6

tools/testing/selftests/bpf/test_tc_tunnel.sh

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