[PATCH net-next v2 7/9] selftests: drivers: hw: replace counter upper limit with UINT32_MAX in rmon test

[Ioana Ciornei]

The ethtool_rmon.sh script checks that the number of packets sent /
received during a test matches the expected value with a 1% tolerance.

Since in the next patches this test will gain the capability to also be
run on systems with a single interface where the traffic generator is
accesible through ssh, use the UINT32_MAX as the upper limit. This is
necessary since the same interface will be used also for control traffic
(the ssh commands) as well as the mausezahn generated one.

Signed-off-by: Ioana Ciornei <ioana.ciornei@xxxxxxx>
---
Changes in v2:
- patch is new

 tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh b/tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh
index 636429018b6b..1baaaab3c3a4 100755
--- a/tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh
+++ b/tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh
@@ -12,6 +12,7 @@ NUM_NETIFS=2
 lib_dir=$(dirname "$0")
 source "$lib_dir"/../../../net/forwarding/lib.sh
 
+UINT32_MAX=$((2**32 - 1))
 ETH_FCS_LEN=4
 ETH_HLEN=$((6+6+2))
 
@@ -64,8 +65,7 @@ bucket_test()
 
 	expected=$([ "$set" = rx ] && echo "$num_rx" || echo "$num_tx")
 
-	# Allow some extra tolerance for other packets sent by the stack
-	[ "$delta" -ge "$expected" ] && [ "$delta" -le $((expected + 100)) ]
+	[ "$delta" -ge "$expected" ] && [ "$delta" -le "$UINT32_MAX" ]
 }
 
 rmon_histogram()
-- 
2.25.1