From: David Ahern dsahern@gmail.com
[ Upstream commit 0360894a05ed52be268e3c4d40b2df9d94975fa6 ]
Some distributions (e.g., debian buster) do not install ping6. Re-use the hook in pmtu.sh to detect this and fallback to ping.
Fixes: a0e11da78f48 ("fib_tests: Add tests for metrics on routes") Signed-off-by: David Ahern dsahern@gmail.com Signed-off-by: Jakub Kicinski jakub.kicinski@netronome.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/testing/selftests/net/fib_tests.sh | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -17,6 +17,8 @@ PAUSE=no IP="ip -netns ns1" NS_EXEC="ip netns exec ns1"
+which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping) + log_test() { local rc=$1 @@ -1100,7 +1102,7 @@ ipv6_route_metrics_test() log_test $rc 0 "Multipath route with mtu metric"
$IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300 - run_cmd "ip netns exec ns1 ping6 -w1 -c1 -s 1500 2001:db8:104::1" + run_cmd "ip netns exec ns1 ${ping6} -w1 -c1 -s 1500 2001:db8:104::1" log_test $? 0 "Using route with mtu metric"
run_cmd "$IP -6 ro add 2001:db8:114::/64 via 2001:db8:101::2 congctl lock foo"