Commit 5a643c86 authored by Stefano Brivio's avatar Stefano Brivio Committed by David S. Miller

selftests: pmtu: Minimum MTU for vti6 is 68

A vti6 interface can carry IPv4 packets too.
Signed-off-by: default avatarStefano Brivio <sbrivio@redhat.com>
Reviewed-by: default avatarXin Long <lucien.xin@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c36207bd
...@@ -368,7 +368,7 @@ test_pmtu_vti6_link_add_mtu() { ...@@ -368,7 +368,7 @@ test_pmtu_vti6_link_add_mtu() {
fail=0 fail=0
min=1280 min=68 # vti6 can carry IPv4 packets too
max=$((65535 - 40)) max=$((65535 - 40))
# Check invalid values first # Check invalid values first
for v in $((min - 1)) $((max + 1)); do for v in $((min - 1)) $((max + 1)); do
...@@ -384,7 +384,7 @@ test_pmtu_vti6_link_add_mtu() { ...@@ -384,7 +384,7 @@ test_pmtu_vti6_link_add_mtu() {
done done
# Now check valid values # 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 ${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 "${ns_a}" vti6_a)" mtu="$(link_get_mtu "${ns_a}" vti6_a)"
${ns_a} ip link del vti6_a ${ns_a} ip link del vti6_a
......
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