From bf5eb67dc80a75e0756269084b087c06f0360b78 Mon Sep 17 00:00:00 2001 From: Ido Schimmel <idosch@nvidia.com> Date: Fri, 16 Apr 2021 18:55:35 +0300 Subject: [PATCH] selftests: fib_nexthops: Test large scale nexthop flushing Test that all the nexthops are flushed when a multi-part nexthop dump is required for the flushing. Without previous patch: # ./fib_nexthops.sh TEST: Large scale nexthop flushing [FAIL] With previous patch: # ./fib_nexthops.sh TEST: Large scale nexthop flushing [ OK ] Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> --- tools/testing/selftests/net/fib_nexthops.sh | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh index 56dd0c6f2e96..49774a8a7736 100755 --- a/tools/testing/selftests/net/fib_nexthops.sh +++ b/tools/testing/selftests/net/fib_nexthops.sh @@ -1933,6 +1933,21 @@ basic() log_test $? 2 "Nexthop group and blackhole" $IP nexthop flush >/dev/null 2>&1 + + # Test to ensure that flushing with a multi-part nexthop dump works as + # expected. + local batch_file=$(mktemp) + + for i in $(seq 1 $((64 * 1024))); do + echo "nexthop add id $i blackhole" >> $batch_file + done + + $IP -b $batch_file + $IP nexthop flush >/dev/null 2>&1 + [[ $($IP nexthop | wc -l) -eq 0 ]] + log_test $? 0 "Large scale nexthop flushing" + + rm $batch_file } check_nexthop_buckets_balance()