selftests: Update fib_nexthop_multiprefix to handle missing ping6

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: 735ab2f65d ("selftests: Add test with multiple prefixes using single nexthop")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This commit is contained in:
David Ahern 2019-09-17 10:30:35 -07:00 committed by Jakub Kicinski
parent 0360894a05
commit e84622ce24

View File

@ -15,6 +15,8 @@
PAUSE_ON_FAIL=no
VERBOSE=0
which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
################################################################################
# helpers
@ -200,7 +202,7 @@ validate_v6_exception()
local rc
if [ ${ping_sz} != "0" ]; then
run_cmd ip netns exec h0 ping6 -s ${ping_sz} -c5 -w5 ${dst}
run_cmd ip netns exec h0 ${ping6} -s ${ping_sz} -c5 -w5 ${dst}
fi
if [ "$VERBOSE" = "1" ]; then
@ -243,7 +245,7 @@ do
run_cmd taskset -c ${c} ip netns exec h0 ping -c1 -w1 172.16.10${i}.1
[ $? -ne 0 ] && printf "\nERROR: ping to h${i} failed\n" && ret=1
run_cmd taskset -c ${c} ip netns exec h0 ping6 -c1 -w1 2001:db8:10${i}::1
run_cmd taskset -c ${c} ip netns exec h0 ${ping6} -c1 -w1 2001:db8:10${i}::1
[ $? -ne 0 ] && printf "\nERROR: ping6 to h${i} failed\n" && ret=1
[ $ret -ne 0 ] && break