netdev - [PATCH net-next 13/15] selftests: mlxsw: Add a test for EAPOL trap

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Message-ID: <389ee318ff1a799d1e94ba1a33ab2ff42bae50fc.1667902754.git.petrm@nvidia.com>
Date:   Tue, 8 Nov 2022 11:47:19 +0100
From:   Petr Machata <petrm@...dia.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Ivan Vecera <ivecera@...hat.com>, <netdev@...r.kernel.org>
CC:     Nikolay Aleksandrov <razor@...ckwall.org>,
        Roopa Prabhu <roopa@...dia.com>, Jiri Pirko <jiri@...dia.com>,
        Petr Machata <petrm@...dia.com>,
        <bridge@...ts.linux-foundation.org>,
        Ido Schimmel <idosch@...dia.com>,
        "Hans J . Schultz" <netdev@...io-technology.com>,
        <mlxsw@...dia.com>
Subject: [PATCH net-next 13/15] selftests: mlxsw: Add a test for EAPOL trap

From: Ido Schimmel <idosch@...dia.com>

Test that packets with a destination MAC of 01:80:C2:00:00:03 trigger
the "eapol" packet trap.

Signed-off-by: Ido Schimmel <idosch@...dia.com>
Reviewed-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Petr Machata <petrm@...dia.com>
---
 .../drivers/net/mlxsw/devlink_trap_control.sh | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_control.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_control.sh
index d3a891d421ab..64153bbf95df 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_control.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_control.sh
@@ -83,6 +83,7 @@ ALL_TESTS="
 	ptp_general_test
 	flow_action_sample_test
 	flow_action_trap_test
+	eapol_test
 "
 NUM_NETIFS=4
 source $lib_dir/lib.sh
@@ -677,6 +678,27 @@ flow_action_trap_test()
 	tc qdisc del dev $rp1 clsact
 }
 
+eapol_payload_get()
+{
+	local source_mac=$1; shift
+	local p
+
+	p=$(:
+		)"01:80:C2:00:00:03:"$(       : ETH daddr
+		)"$source_mac:"$(             : ETH saddr
+		)"88:8E:"$(                   : ETH type
+		)
+	echo $p
+}
+
+eapol_test()
+{
+	local h1mac=$(mac_get $h1)
+
+	devlink_trap_stats_test "EAPOL" "eapol" $MZ $h1 -c 1 \
+		$(eapol_payload_get $h1mac) -p 100 -q
+}
+
 trap cleanup EXIT
 
 setup_prepare
-- 
2.35.3