From 5a643c861d0f20b1b1bf8c694a24759d9219f1e1 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Thu, 26 Apr 2018 19:41:02 +0200 Subject: selftests: pmtu: Minimum MTU for vti6 is 68 A vti6 interface can carry IPv4 packets too. Signed-off-by: Stefano Brivio Reviewed-by: Xin Long Signed-off-by: David S. Miller --- tools/testing/selftests/net/pmtu.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'tools/testing/selftests/net/pmtu.sh') diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh index 1e428781a625..7651fd4d86fe 100755 --- a/tools/testing/selftests/net/pmtu.sh +++ b/tools/testing/selftests/net/pmtu.sh @@ -368,7 +368,7 @@ test_pmtu_vti6_link_add_mtu() { fail=0 - min=1280 + min=68 # vti6 can carry IPv4 packets too max=$((65535 - 40)) # Check invalid values first for v in $((min - 1)) $((max + 1)); do @@ -384,7 +384,7 @@ test_pmtu_vti6_link_add_mtu() { done # Now check valid values - for v in 1280 1300 $((65535 - 40)); do + for v in 68 1280 1300 $((65535 - 40)); do ${ns_a} ip link add vti6_a mtu ${v} type vti6 local ${veth6_a_addr} remote ${veth6_b_addr} key 10 mtu="$(link_get_mtu "${ns_a}" vti6_a)" ${ns_a} ip link del vti6_a -- cgit