[PATCH 5.15 211/230] selftests: forwarding: fix learning_test when h1 supports IFF_UNICAST_FLT

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From: Vladimir Oltean <vladimir.oltean@xxxxxxx>

[ Upstream commit 1a635d3e1c80626237fdae47a5545b6655d8d81c ]

The first host interface has by default no interest in receiving packets
MAC DA de:ad:be:ef:13:37, so it might drop them before they hit the tc
filter and this might confuse the selftest.

Enable promiscuous mode such that the filter properly counts received
packets.

Fixes: d4deb01467ec ("selftests: forwarding: Add a test for FDB learning")
Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Reviewed-by: Ido Schimmel <idosch@xxxxxxxxxx>
Tested-by: Ido Schimmel <idosch@xxxxxxxxxx>
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 tools/testing/selftests/net/forwarding/lib.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 8a9c55fe841a..0db6ea8d7e05 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -1149,6 +1149,7 @@ learning_test()
 	# FDB entry was installed.
 	bridge link set dev $br_port1 flood off
 
+	ip link set $host1_if promisc on
 	tc qdisc add dev $host1_if ingress
 	tc filter add dev $host1_if ingress protocol ip pref 1 handle 101 \
 		flower dst_mac $mac action drop
@@ -1198,6 +1199,7 @@ learning_test()
 
 	tc filter del dev $host1_if ingress protocol ip pref 1 handle 101 flower
 	tc qdisc del dev $host1_if ingress
+	ip link set $host1_if promisc off
 
 	bridge link set dev $br_port1 flood on
 
-- 
2.35.1






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