netdev - [PATCH net v2 4/4] selftests: net: Add test_vxlan_fdb

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Message-ID: <c33a813537691bed6194aeb9026d0722476bbf7a.1545068986.git.petrm@mellanox.com>
Date:   Mon, 17 Dec 2018 18:10:04 +0000
From:   Petr Machata <petrm@...lanox.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Ido Schimmel <idosch@...lanox.com>,
        "roopa@...ulusnetworks.com" <roopa@...ulusnetworks.com>
Subject: [PATCH net v2 4/4] selftests: net: Add test_vxlan_fdb_changelink.sh

Add a test to exercise the fix from the previous patch.

Signed-off-by: Petr Machata <petrm@...lanox.com>
---
 tools/testing/selftests/net/Makefile               |  1 +
 .../selftests/net/test_vxlan_fdb_changelink.sh     | 29 ++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100755 tools/testing/selftests/net/test_vxlan_fdb_changelink.sh

diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 256d82d5fa87..923570a9708a 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -7,6 +7,7 @@ CFLAGS += -I../../../../usr/include/
 TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh rtnetlink.sh
 TEST_PROGS += fib_tests.sh fib-onlink-tests.sh pmtu.sh udpgso.sh ip_defrag.sh
 TEST_PROGS += udpgso_bench.sh fib_rule_tests.sh msg_zerocopy.sh psock_snd.sh
+TEST_PROGS += test_vxlan_fdb_changelink.sh
 TEST_PROGS_EXTENDED := in_netns.sh
 TEST_GEN_FILES =  socket
 TEST_GEN_FILES += psock_fanout psock_tpacket msg_zerocopy
diff --git a/tools/testing/selftests/net/test_vxlan_fdb_changelink.sh b/tools/testing/selftests/net/test_vxlan_fdb_changelink.sh
new file mode 100755
index 000000000000..2d442cdab11e
--- /dev/null
+++ b/tools/testing/selftests/net/test_vxlan_fdb_changelink.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Check FDB default-remote handling across "ip link set".
+
+check_remotes()
+{
+	local what=$1; shift
+	local N=$(bridge fdb sh dev vx | grep 00:00:00:00:00:00 | wc -l)
+
+	echo -ne "expected two remotes after $what\t"
+	if [[ $N != 2 ]]; then
+		echo "[FAIL]"
+		EXIT_STATUS=1
+	else
+		echo "[ OK ]"
+	fi
+}
+
+ip link add name vx up type vxlan id 2000 dstport 4789
+bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.20 self permanent
+bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.30 self permanent
+check_remotes "fdb append"
+
+ip link set dev vx type vxlan remote 192.0.2.30
+check_remotes "link set"
+
+ip link del dev vx
+exit $EXIT_STATUS
-- 
2.4.11