From: Amit Cohen <amitc@mellanox.com>
Date: Sun, 19 Jan 2020 15:01:00 +0200
Subject: selftests: devlink_trap_tunnel_vxlan: Add test case for
overlay_smac_is_mc
Patch-mainline: v5.6-rc1
Git-commit: b3073dfba8ee95697ebcafab90489ee847a74433
References: bsc#1176774
Test that the trap is triggered under the right conditions and that
devlink counters increase when action is trap.
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh | 54 ++++++++++
1 file changed, 54 insertions(+)
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh
@@ -36,6 +36,7 @@ lib_dir=$(dirname $0)/../../../net/forwa
ALL_TESTS="
decap_error_test
+ overlay_smac_is_mc_test
"
NUM_NETIFS=4
@@ -267,6 +268,59 @@ decap_error_test()
corrupted_packet_test "Decap error: No L2 header" "short_payload_get"
}
+mc_smac_payload_get()
+{
+ dest_mac=$(mac_get $h1)
+ source_mac=01:02:03:04:05:06
+ p=$(:
+ )"08:"$( : VXLAN flags
+ )"00:00:00:"$( : VXLAN reserved
+ )"00:03:e8:"$( : VXLAN VNI : 1000
+ )"00:"$( : VXLAN reserved
+ )"$dest_mac:"$( : ETH daddr
+ )"$source_mac:"$( : ETH saddr
+ )"08:00:"$( : ETH type
+ )"45:"$( : IP version + IHL
+ )"00:"$( : IP TOS
+ )"00:14:"$( : IP total length
+ )"00:00:"$( : IP identification
+ )"20:00:"$( : IP flags + frag off
+ )"40:"$( : IP TTL
+ )"00:"$( : IP proto
+ )"00:00:"$( : IP header csum
+ )"c0:00:02:03:"$( : IP saddr: 192.0.2.3
+ )"c0:00:02:01:"$( : IP daddr: 192.0.2.1
+ )
+ echo $p
+}
+
+overlay_smac_is_mc_test()
+{
+ local trap_name="overlay_smac_is_mc"
+ local group_name="tunnel_drops"
+ local mz_pid
+
+ RET=0
+
+ # The matching will be checked on devlink_trap_drop_test()
+ # and the filter will be removed on devlink_trap_drop_cleanup()
+ tc filter add dev $swp1 egress protocol ip pref 1 handle 101 \
+ flower src_mac 01:02:03:04:05:06 action pass
+
+ rp1_mac=$(mac_get $rp1)
+ payload=$(mc_smac_payload_get)
+
+ ip vrf exec v$rp2 $MZ $rp2 -c 0 -d 1msec -b $rp1_mac \
+ -B 192.0.2.17 -t udp sp=12345,dp=$VXPORT,p=$payload -q &
+ mz_pid=$!
+
+ devlink_trap_drop_test $trap_name $group_name $swp1
+
+ log_test "Overlay source MAC is multicast"
+
+ devlink_trap_drop_cleanup $mz_pid $swp1 "ip"
+}
+
trap cleanup EXIT
setup_prepare