From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 495D2C31E5D for ; Tue, 18 Jun 2019 13:08:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D2A620873 for ; Tue, 18 Jun 2019 13:08:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729073AbfFRNID (ORCPT ); Tue, 18 Jun 2019 09:08:03 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:18599 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725913AbfFRNIC (ORCPT ); Tue, 18 Jun 2019 09:08:02 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 681139F6EA5A97A302FE; Tue, 18 Jun 2019 21:07:58 +0800 (CST) Received: from huawei.com (10.175.100.202) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.439.0; Tue, 18 Jun 2019 21:07:52 +0800 From: luoshijie To: , , CC: , , , , Subject: [PATCH v2 3/3] selftests: add route_localnet test script Date: Tue, 18 Jun 2019 15:14:05 +0000 Message-ID: <1560870845-172395-4-git-send-email-luoshijie1@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1560870845-172395-1-git-send-email-luoshijie1@huawei.com> References: <1560870845-172395-1-git-send-email-luoshijie1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.100.202] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Shijie Luo Add a simple scripts to exercise several situations when enable route_localnet. Signed-off-by: Shijie Luo Signed-off-by: Zhiqiang liu --- 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