netdev - [PATCH net 09/17] selftests: forwarding: hw_stats_l3

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Message-ID: <20230802075118.409395-10-idosch@nvidia.com>
Date: Wed, 2 Aug 2023 10:51:10 +0300
From: Ido Schimmel <idosch@...dia.com>
To: <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<edumazet@...gle.com>, <petrm@...dia.com>, <razor@...ckwall.org>,
	<mirsad.todorovac@....unizg.hr>, Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net 09/17] selftests: forwarding: hw_stats_l3_gre: Skip when using veth pairs

Layer 3 hardware stats cannot be used when the underlying interfaces are
veth pairs, resulting in failures:

 # ./hw_stats_l3_gre.sh
 TEST: ping gre flat                                                 [ OK ]
 TEST: Test rx packets:                                              [FAIL]
         Traffic not reflected in the counter: 0 -> 0
 TEST: Test tx packets:                                              [FAIL]
         Traffic not reflected in the counter: 0 -> 0

Fix by skipping the test when used with veth pairs.

Fixes: 813f97a26860 ("selftests: forwarding: Add a tunnel-based test for L3 HW stats")
Reported-by: Mirsad Todorovac <mirsad.todorovac@....unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@...dia.com>
Reviewed-by: Petr Machata <petrm@...dia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@....unizg.hr>
---
 tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh b/tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh
index eb9ec4a68f84..7594bbb49029 100755
--- a/tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh
+++ b/tools/testing/selftests/net/forwarding/hw_stats_l3_gre.sh
@@ -99,6 +99,8 @@ test_stats_rx()
 	test_stats g2a rx
 }
 
+skip_on_veth
+
 trap cleanup EXIT
 
 setup_prepare
-- 
2.40.1