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selftests: fib_nexthops: Test large scale nexthop flushing

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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>
This commit is contained in:
Ido Schimmel 2021-04-16 18:55:35 +03:00 committed by David S. Miller
parent 9e46fb656f
commit bf5eb67dc8
1 changed files with 15 additions and 0 deletions
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15
tools/testing/selftests/net/fib_nexthops.sh
View File

@ -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()