netdev - [PATCH net-next 2/4] selftests: bonding: use tc filter to check if LACP was sent

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Date: Wed, 24 Jan 2024 17:58:12 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: Jay Vosburgh <j.vosburgh@...il.com>,
	"David S . Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Liang Li <liali@...hat.com>,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH net-next 2/4] selftests: bonding: use tc filter to check if LACP was sent

Use tc filter to check if LACP was sent, which is accurate and save
more time.

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 .../net/bonding/bond-break-lacpdu-tx.sh        | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh b/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh
index 6358df5752f9..5087291d15ce 100755
--- a/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh
+++ b/tools/testing/selftests/drivers/net/bonding/bond-break-lacpdu-tx.sh
@@ -20,21 +20,22 @@
 #    +------+ +------+
 #
 # We use veths instead of physical interfaces
+REQUIRE_MZ=no
+NUM_NETIFS=0
+lib_dir=$(dirname "$0")
+source "$lib_dir"/net_forwarding_lib.sh
 
 set -e
-tmp=$(mktemp -q dump.XXXXXX)
 cleanup() {
 	ip link del fab-br0 >/dev/null 2>&1 || :
 	ip link del fbond  >/dev/null 2>&1 || :
 	ip link del veth1-bond  >/dev/null 2>&1 || :
 	ip link del veth2-bond  >/dev/null 2>&1 || :
 	modprobe -r bonding  >/dev/null 2>&1 || :
-	rm -f -- ${tmp}
 }
 
 trap cleanup 0 1 2
 cleanup
-sleep 1
 
 # create the bridge
 ip link add fab-br0 address 52:54:00:3B:7C:A6 mtu 1500 type bridge \
@@ -67,13 +68,12 @@ ip link set fab-br0 up
 ip link set fbond up
 ip addr add dev fab-br0 10.0.0.3
 
-tcpdump -n -i veth1-end -e ether proto 0x8809 >${tmp} 2>&1 &
-sleep 15
-pkill tcpdump >/dev/null 2>&1
 rc=0
-num=$(grep "packets captured" ${tmp} | awk '{print $1}')
-if test "$num" -gt 0; then
-	echo "PASS, captured ${num}"
+tc qdisc add dev veth1-end clsact
+tc filter add dev veth1-end ingress protocol 0x8809 pref 1 handle 101 flower skip_hw action pass
+if slowwait_for_counter 15 2 \
+	tc_rule_handle_stats_get "dev veth1-end ingress" 101 ".packets" "" &> /dev/null; then
+	echo "PASS, captured 2"
 else
 	echo "FAIL"
 	rc=1
-- 
2.43.0