netdev - [PATCHv2 2/2] selftests: bonding: add vlan over bond testing

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Message-ID: <20250908062802.392300-2-liuhangbin@gmail.com>
Date: Mon,  8 Sep 2025 06:28:02 +0000
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: Jay Vosburgh <jv@...sburgh.net>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	linux-kselftest@...r.kernel.org,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCHv2 2/2] selftests: bonding: add vlan over bond testing

Add a vlan over bond testing to make sure arp/ns target works.
Also change all the configs to mudules.

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---

v2: split the patch into 2 parts, the kernel change and test update (Jay Vosburgh)

---
 .../drivers/net/bonding/bond_options.sh       | 59 +++++++++++++++++++
 .../selftests/drivers/net/bonding/config      | 21 +++----
 2 files changed, 70 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/drivers/net/bonding/bond_options.sh b/tools/testing/selftests/drivers/net/bonding/bond_options.sh
index 7bc148889ca7..b3eb8a919c71 100755
--- a/tools/testing/selftests/drivers/net/bonding/bond_options.sh
+++ b/tools/testing/selftests/drivers/net/bonding/bond_options.sh
@@ -7,6 +7,7 @@ ALL_TESTS="
 	prio
 	arp_validate
 	num_grat_arp
+	vlan_over_bond
 "
 
 lib_dir=$(dirname "$0")
@@ -376,6 +377,64 @@ num_grat_arp()
 	done
 }
 
+vlan_over_bond_arp()
+{
+	local mode="$1"
+	RET=0
+
+	bond_reset "mode $mode arp_interval 100 arp_ip_target 192.0.3.10"
+	ip -n "${s_ns}" link add bond0.3 link bond0 type vlan id 3
+	ip -n "${s_ns}" link set bond0.3 up
+	ip -n "${s_ns}" addr add 192.0.3.1/24 dev bond0.3
+	ip -n "${s_ns}" addr add 2001:db8::3:1/64 dev bond0.3
+
+	slowwait_for_counter 5 5 tc_rule_handle_stats_get \
+		"dev eth0.3 ingress" 101 ".packets" "-n ${c_ns}" || RET=1
+	log_test "vlan over bond arp" "$mode"
+}
+
+vlan_over_bond_ns()
+{
+	local mode="$1"
+	RET=0
+
+	if skip_ns; then
+		log_test_skip "vlan_over_bond ns" "$mode"
+		return 0
+	fi
+
+	bond_reset "mode $mode arp_interval 100 ns_ip6_target 2001:db8::3:10"
+	ip -n "${s_ns}" link add bond0.3 link bond0 type vlan id 3
+	ip -n "${s_ns}" link set bond0.3 up
+	ip -n "${s_ns}" addr add 192.0.3.1/24 dev bond0.3
+	ip -n "${s_ns}" addr add 2001:db8::3:1/64 dev bond0.3
+
+	slowwait_for_counter 5 5 tc_rule_handle_stats_get \
+		"dev eth0.3 ingress" 102 ".packets" "-n ${c_ns}" || RET=1
+	log_test "vlan over bond ns" "$mode"
+}
+
+vlan_over_bond()
+{
+	# add vlan 3 for client
+	ip -n "${c_ns}" link add eth0.3 link eth0 type vlan id 3
+	ip -n "${c_ns}" link set eth0.3 up
+	ip -n "${c_ns}" addr add 192.0.3.10/24 dev eth0.3
+	ip -n "${c_ns}" addr add 2001:db8::3:10/64 dev eth0.3
+
+	# Add tc rule to check the vlan pkts
+	tc -n "${c_ns}" qdisc add dev eth0.3 clsact
+	tc -n "${c_ns}" filter add dev eth0.3 ingress protocol arp \
+		handle 101 flower skip_hw arp_op request \
+		arp_sip 192.0.3.1 arp_tip 192.0.3.10 action pass
+	tc -n "${c_ns}" filter add dev eth0.3 ingress protocol ipv6 \
+		handle 102 flower skip_hw ip_proto icmpv6 \
+		type 135 src_ip 2001:db8::3:1 action pass
+
+	vlan_over_bond_arp "active-backup"
+	vlan_over_bond_ns "active-backup"
+}
+
 trap cleanup EXIT
 
 setup_prepare
diff --git a/tools/testing/selftests/drivers/net/bonding/config b/tools/testing/selftests/drivers/net/bonding/config
index 4d16a69ffc65..cbd8b2769475 100644
--- a/tools/testing/selftests/drivers/net/bonding/config
+++ b/tools/testing/selftests/drivers/net/bonding/config
@@ -1,12 +1,13 @@
-CONFIG_BONDING=y
-CONFIG_BRIDGE=y
-CONFIG_DUMMY=y
+CONFIG_BONDING=m
+CONFIG_BRIDGE=m
+CONFIG_DUMMY=m
 CONFIG_IPV6=y
-CONFIG_MACVLAN=y
-CONFIG_IPVLAN=y
-CONFIG_NET_ACT_GACT=y
-CONFIG_NET_CLS_FLOWER=y
+CONFIG_MACVLAN=m
+CONFIG_IPVLAN=m
+CONFIG_NET_ACT_GACT=m
+CONFIG_NET_CLS_FLOWER=m
 CONFIG_NET_CLS_MATCHALL=m
-CONFIG_NET_SCH_INGRESS=y
-CONFIG_NLMON=y
-CONFIG_VETH=y
+CONFIG_NET_SCH_INGRESS=m
+CONFIG_NLMON=m
+CONFIG_VETH=m
+CONFIG_VLAN_8021Q=m
-- 
2.50.1