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Message-ID: <20240819110609.101250-4-boris.sukholitko@broadcom.com>
Date: Mon, 19 Aug 2024 14:06:09 +0300
From: Boris Sukholitko <boris.sukholitko@...adcom.com>
To: netdev@...r.kernel.org,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Daniel Borkmann <daniel@...earbox.net>,
	John Fastabend <john.fastabend@...il.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Andrii Nakryiko <andrii@...nel.org>,
	Eduard Zingerman <eddyz87@...il.com>,
	Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	KP Singh <kpsingh@...nel.org>,
	Stanislav Fomichev <sdf@...ichev.me>,
	Hao Luo <haoluo@...gle.com>,
	Jiri Olsa <jolsa@...nel.org>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Pravin B Shelar <pshelar@....org>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Cong Wang <xiyou.wangcong@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Shuah Khan <shuah@...nel.org>,
	Willem de Bruijn <willemb@...gle.com>,
	Pavel Begunkov <asml.silence@...il.com>,
	Mina Almasry <almasrymina@...gle.com>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	David Howells <dhowells@...hat.com>,
	Liang Chen <liangchen.linux@...il.com>,
	Alexander Lobakin <aleksander.lobakin@...el.com>,
	Thomas Weißschuh <linux@...ssschuh.net>,
	Ido Schimmel <idosch@...sch.org>
Cc: Ilya Lifshits <ilya.lifshits@...adcom.com>
Subject: [PATCH net-next v3 3/3] selftests: tc_actions: test egress 2nd vlan push

Add new test checking the correctness of inner vlan flushing to the skb
data when outer vlan tag is added through act_vlan on egress.

Signed-off-by: Boris Sukholitko <boris.sukholitko@...adcom.com>
---
 .../selftests/net/forwarding/tc_actions.sh    | 25 ++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/forwarding/tc_actions.sh b/tools/testing/selftests/net/forwarding/tc_actions.sh
index f2f1e99a90b2..ea89e558672d 100755
--- a/tools/testing/selftests/net/forwarding/tc_actions.sh
+++ b/tools/testing/selftests/net/forwarding/tc_actions.sh
@@ -4,7 +4,8 @@
 ALL_TESTS="gact_drop_and_ok_test mirred_egress_redirect_test \
 	mirred_egress_mirror_test matchall_mirred_egress_mirror_test \
 	gact_trap_test mirred_egress_to_ingress_test \
-	mirred_egress_to_ingress_tcp_test ingress_2nd_vlan_push"
+	mirred_egress_to_ingress_tcp_test \
+	ingress_2nd_vlan_push egress_2nd_vlan_push"
 NUM_NETIFS=4
 source tc_common.sh
 source lib.sh
@@ -265,6 +266,28 @@ ingress_2nd_vlan_push()
 	log_test "ingress_2nd_vlan_push ($tcflags)"
 }
 
+egress_2nd_vlan_push()
+{
+	tc filter add dev $h1 egress pref 20 chain 0 handle 20 flower \
+		$tcflags num_of_vlans 0 \
+		action vlan push id 10 protocol 0x8100 \
+		pipe action vlan push id 100 protocol 0x8100 action goto chain 5
+	tc filter add dev $h1 egress pref 30 chain 5 handle 30 flower \
+		$tcflags num_of_vlans 2 \
+		cvlan_ethtype 0x800 action pass
+
+	$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+		-t ip -q
+
+	tc_check_packets "dev $h1 egress" 30 1
+	check_err $? "No double-vlan packets received"
+
+	tc filter del dev $h1 egress pref 20 chain 0 handle 20 flower
+	tc filter del dev $h1 egress pref 30 chain 5 handle 30 flower
+
+	log_test "egress_2nd_vlan_push ($tcflags)"
+}
+
 setup_prepare()
 {
 	h1=${NETIFS[p1]}
-- 
2.42.0


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