selftests: pmtu: Add pmtu_vti6_link_change_mtu test

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This test checks that MTU configured from userspace is used on
link creation and changes, and that when it's not passed from
userspace, it's calculated properly from the MTU of the lower
layer.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Stefano Brivio 2018-03-17 02:31:47 +01:00 • committed by David S. Miller

parent 8b6022fc78

commit 1fad59ea1c

1 changed files with 61 additions and 6 deletions

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tools/testing/selftests/net/pmtu.sh

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