The current selftests for PMTU cover VTI tunnels, but there's nothing about the generation and handling of PMTU exceptions by intermediate routers. This series adds and improves existing helpers, then adds IPv4 and IPv6 selftests with a setup involving an intermediate router.
Joint work with Stefano Brivio. Sabrina Dubroca (2): selftests: pmtu: extend MTU parsing helper to locked MTU selftests: pmtu: add basic IPv4 and IPv6 PMTU tests Stefano Brivio (1): selftests: pmtu: Introduce check_pmtu_value() tools/testing/selftests/net/pmtu.sh | 258 ++++++++++++++++++++++++---- 1 file changed, 227 insertions(+), 31 deletions(-) -- 2.19.0