From: luoshijie <luoshijie1@huawei.com>
To: <davem@davemloft.net>, <tgraf@suug.ch>, <dsahern@gmail.com>
Cc: <netdev@vger.kernel.org>, <liuzhiqiang26@huawei.com>,
<wangxiaogang3@huawei.com>, <mingfangsen@huawei.com>,
<zhoukang7@huawei.com>
Subject: [PATCH v2 3/3] selftests: add route_localnet test script
Date: Tue, 18 Jun 2019 15:14:05 +0000 [thread overview]
Message-ID: <1560870845-172395-4-git-send-email-luoshijie1@huawei.com> (raw)
In-Reply-To: <1560870845-172395-1-git-send-email-luoshijie1@huawei.com>
From: Shijie Luo <luoshijie1@huawei.com>
Add a simple scripts to exercise several situations when enable
route_localnet.
Signed-off-by: Shijie Luo <luoshijie1@huawei.com>
Signed-off-by: Zhiqiang liu <liuzhiqiang26@huawei.com>
---
tools/testing/selftests/net/route_localnet.sh | 74 +++++++++++++++++++
1 file changed, 74 insertions(+)
create mode 100755 tools/testing/selftests/net/route_localnet.sh
diff --git a/tools/testing/selftests/net/route_localnet.sh b/tools/testing/selftests/net/route_localnet.sh
new file mode 100755
index 000000000000..116bfeab72fa
--- /dev/null
+++ b/tools/testing/selftests/net/route_localnet.sh
@@ -0,0 +1,74 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Run a couple of tests when route_localnet = 1.
+
+readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
+
+setup() {
+ ip netns add "${PEER_NS}"
+ ip -netns "${PEER_NS}" link set dev lo up
+ ip link add name veth0 type veth peer name veth1
+ ip link set dev veth0 up
+ ip link set dev veth1 netns "${PEER_NS}"
+
+ # Enable route_localnet and delete useless route 127.0.0.0/8.
+ sysctl -w net.ipv4.conf.veth0.route_localnet=1
+ ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.route_localnet=1
+ ip route del 127.0.0.0/8 dev lo table local
+ ip netns exec "${PEER_NS}" ip route del 127.0.0.0/8 dev lo table local
+
+ ifconfig veth0 127.25.3.4/24 up
+ ip netns exec "${PEER_NS}" ifconfig veth1 127.25.3.14/24 up
+
+ ip route flush cache
+ ip netns exec "${PEER_NS}" ip route flush cache
+}
+
+cleanup() {
+ ip link del veth0
+ ip route add local 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1
+ local -r ns="$(ip netns list|grep $PEER_NS)"
+ [ -n "$ns" ] && ip netns del $ns 2>/dev/null
+}
+
+# Run test when arp_announce = 2.
+run_arp_announce_test() {
+ echo "run arp_announce test"
+ setup
+
+ sysctl -w net.ipv4.conf.veth0.arp_announce=2
+ ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_announce=2
+ ping -c5 -I veth0 127.25.3.14
+ if [ $? -ne 0 ];then
+ echo "failed"
+ else
+ echo "ok"
+ fi
+
+ cleanup
+}
+
+# Run test when arp_ignore = 3.
+run_arp_ignore_test() {
+ echo "run arp_ignore test"
+ setup
+
+ sysctl -w net.ipv4.conf.veth0.arp_ignore=3
+ ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_ignore=3
+ ping -c5 -I veth0 127.25.3.14
+ if [ $? -ne 0 ];then
+ echo "failed"
+ else
+ echo "ok"
+ fi
+
+ cleanup
+}
+
+run_all_tests() {
+ run_arp_announce_test
+ run_arp_ignore_test
+}
+
+run_all_tests
--
2.19.1
next prev parent reply other threads:[~2019-06-18 13:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-18 15:14 [PATCH v2 0/3] fix bugs when enable route_localnet luoshijie
2019-06-18 15:14 ` [PATCH v2 1/3] ipv4: fix inet_select_addr() " luoshijie
2019-06-18 15:14 ` [PATCH v2 2/3] ipv4: fix confirm_addr_indev() " luoshijie
2019-06-18 15:14 ` luoshijie [this message]
2019-06-22 8:41 ` [PATCH v2 0/3] fix bugs " Zhiqiang Liu
2019-06-22 12:46 ` David Miller
2019-06-24 1:19 ` Zhiqiang Liu
2019-06-24 3:47 ` David Ahern
2019-06-24 16:03 ` David Miller
2019-06-25 1:25 ` Zhiqiang Liu
2019-06-25 1:50 ` Luoshijie (Poincare Lab)
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