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selftests: forwarding: vxlan_bridge_1d: Add a TTL test

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This tests whether TTL of VXLAN envelope packets is properly set based
on the device configuration.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-11-19 16:11:20 +00:00 committed by David S. Miller
parent 50a02b0825
commit b3a7ee74ee
1 changed files with 33 additions and 0 deletions
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33
tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
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@ -68,6 +68,7 @@ export VXPORT
ping_ipv4
test_flood
test_unicast
test_ttl
reapply_config
ping_ipv4
test_flood
@ -474,6 +475,38 @@ test_unicast()
done
}
vxlan_ping_test()
{
local ping_dev=$1; shift
local ping_dip=$1; shift
local ping_args=$1; shift
local capture_dev=$1; shift
local capture_dir=$1; shift
local capture_pref=$1; shift
local expect=$1; shift
local t0=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir)
ping_do $ping_dev $ping_dip "$ping_args"
local t1=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir)
local delta=$((t1 - t0))
# Tolerate a couple stray extra packets.
((expect <= delta && delta <= expect + 2))
check_err $? "$capture_dev: Expected to capture $expect packets, got $delta."
}
test_ttl()
{
RET=0
tc filter add dev v1 egress pref 77 prot ip \
flower ip_ttl 99 action pass
vxlan_ping_test $h1 192.0.2.3 "" v1 egress 77 10
tc filter del dev v1 egress pref 77 prot ip
log_test "VXLAN: envelope TTL"
}
test_all()
{
echo "Running tests with UDP port $VXPORT"