Patches 4/9 to 9/9 add tests to verify default MTU assignment for vti4 and vti6 interfaces, to check that MTU values set on new link and link changes are properly taken and validated, and to verify PMTU exceptions on vti4 interfaces.
Patch 1/9 fixes the helper to fetch exceptions MTU to run in the passed namespace. Patches 2/9 and 3/9 are preparation work to make it easier to introduce those tests. Stefano Brivio (9): selftests: pmtu: Use namespace command prefix to fetch route mtu selftests: pmtu: Factor out MTU parsing helper selftests: pmtu: Introduce support for multiple tests selftests: pmtu: Add pmtu_vti4_default_mtu test selftests: pmtu: Add pmtu_vti6_default_mtu test selftests: pmtu: Add pmtu_vti4_exception test selftests: pmtu: Add pmtu_vti4_link_add_mtu test selftests: pmtu: Add pmtu_vti6_link_add_mtu test selftests: pmtu: Add pmtu_vti6_link_change_mtu test tools/testing/selftests/net/pmtu.sh | 413 +++++++++++++++++++++++++++++++----- 1 file changed, 357 insertions(+), 56 deletions(-) -- 2.15.1