Commit b3a7ee74 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: forwarding: vxlan_bridge_1d: Add a TTL test 



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

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 50a02b08

tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh

+33 −0
Original line number Diff line number Diff line
@@ -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"

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