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=-6.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 EEB0CC433E7 for ; Tue, 13 Oct 2020 09:31:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B61821548 for ; Tue, 13 Oct 2020 09:31:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404170AbgJMJbC (ORCPT ); Tue, 13 Oct 2020 05:31:02 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:38005 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390610AbgJMJbB (ORCPT ); Tue, 13 Oct 2020 05:31:01 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 372775C0176; Tue, 13 Oct 2020 03:49:33 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Tue, 13 Oct 2020 03:49:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=uhH87S uTLwOmdGo6Xi0xwbBFluQnKQd4OEMd3TyQekg=; b=ZT8338diSaZTy3nWjOtXFm 5e7uPFLV5eyVQFN8EAszAR6jQRnLVomA3k1MkiALGE6rP0NoSjEHq7q7BibR1jz2 LpBEetHdTXU5RU2ElXCZCBZf/aDTpqJp/IDLN5x0A0FglBP4Exmec4xOKi4q0ttC NwMQyF18hn1ZoMHS2OXy6TTaelApRu9yHgvZLa99aHAHfvJYsptIuIIM94oNx5KQ 9f76xq0+97pk5Rhrnn9RLALwDRMutaNA2p26qfG22S5qas5rbIJdOUlUQ7908NB9 +5NscNN7b1JjDwfk6Dkfd/WYyUB1ZLOGHOYM8CFqlM8fo8PZjsYyrt06yoJ/4Y3g == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrheekgdduvdeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpefkughoucfu tghhihhmmhgvlhcuoehiughoshgthhesihguohhstghhrdhorhhgqeenucggtffrrghtth gvrhhnpedtffekkeefudffveegueejffejhfetgfeuuefgvedtieehudeuueekhfduheel teenucfkphepkeegrddvvdelrdefjedrudegkeenucevlhhushhtvghrufhiiigvpedtne curfgrrhgrmhepmhgrihhlfhhrohhmpehiughoshgthhesihguohhstghhrdhorhhg X-ME-Proxy: Received: from localhost (igld-84-229-37-148.inter.net.il [84.229.37.148]) by mail.messagingengine.com (Postfix) with ESMTPA id 80B57328005E; Tue, 13 Oct 2020 03:49:32 -0400 (EDT) Date: Tue, 13 Oct 2020 10:49:30 +0300 From: Ido Schimmel To: Hangbin Liu Cc: Ido Schimmel , Network Development , David Ahern Subject: Re: vxlan_asymmetric.sh test failed every time Message-ID: <20201013074930.GA4024934@shredder> References: <20201013043943.GL2531@dhcp-12-153.nay.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201013043943.GL2531@dhcp-12-153.nay.redhat.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Oct 13, 2020 at 12:39:43PM +0800, Hangbin Liu wrote: > Hi Ido, > > When run vxlan_asymmetric.sh on RHEL8, It failed every time. I though that > it may failed because the kernel version is too old. But today I tried with > latest kernel, it still failed. Would you please help check if I missed > any configuration? Works OK for me: $ sudo ./vxlan_asymmetric.sh veth0 veth1 veth2 veth3 veth4 veth5 TEST: ping: local->local vid 10->vid 20 [ OK ] TEST: ping: local->remote vid 10->vid 10 [ OK ] TEST: ping: local->remote vid 20->vid 20 [ OK ] TEST: ping: local->remote vid 10->vid 20 [ OK ] TEST: ping: local->remote vid 20->vid 10 [ OK ] INFO: deleting neighbours from vlan interfaces TEST: ping: local->local vid 10->vid 20 [ OK ] TEST: ping: local->remote vid 10->vid 10 [ OK ] TEST: ping: local->remote vid 20->vid 20 [ OK ] TEST: ping: local->remote vid 10->vid 20 [ OK ] TEST: ping: local->remote vid 20->vid 10 [ OK ] TEST: neigh_suppress: on / neigh exists: yes [ OK ] TEST: neigh_suppress: on / neigh exists: no [ OK ] TEST: neigh_suppress: off / neigh exists: no [ OK ] TEST: neigh_suppress: off / neigh exists: yes [ OK ] # uname -r 5.9.0-rc8-custom-36808-gccdf7fae3afa # ip -V ip utility, iproute2-5.8.0 # netsniff-ng -v netsniff-ng 0.6.7 (Polygon Window), Git id: (none) The first failure might be related to your rp_filter settings. Can you please try with this patch? diff --git a/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh b/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh index a0b5f57d6bd3..0727e2012b68 100755 --- a/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh +++ b/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh @@ -215,10 +215,16 @@ switch_create() bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10 bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20 + + sysctl_set net.ipv4.conf.all.rp_filter 0 + sysctl_set net.ipv4.conf.vlan10-v.rp_filter 0 + sysctl_set net.ipv4.conf.vlan20-v.rp_filter 0 } switch_destroy() { + sysctl_restore net.ipv4.conf.all.rp_filter + bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20 bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10 @@ -359,6 +365,10 @@ ns_switch_create() bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10 bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20 + + sysctl_set net.ipv4.conf.all.rp_filter 0 + sysctl_set net.ipv4.conf.vlan10-v.rp_filter 0 + sysctl_set net.ipv4.conf.vlan20-v.rp_filter 0 } export -f ns_switch_create > > # uname -r > 5.9.0 > # ip -V > ip utility, iproute2-ss200602 > # netsniff-ng -v > netsniff-ng 0.6.6 (Syro), Git id: (none) > # cp forwarding.config.sample forwarding.config > > # ./vxlan_asymmetric.sh > RTNETLINK answers: File exists > TEST: ping: local->local vid 10->vid 20 [FAIL] > TEST: ping: local->remote vid 10->vid 10 [ OK ] > TEST: ping: local->remote vid 20->vid 20 [ OK ] > TEST: ping: local->remote vid 10->vid 20 [FAIL] > TEST: ping: local->remote vid 20->vid 10 [FAIL] > INFO: deleting neighbours from vlan interfaces > TEST: ping: local->local vid 10->vid 20 [FAIL] > TEST: ping: local->remote vid 10->vid 10 [ OK ] > TEST: ping: local->remote vid 20->vid 20 [ OK ] > TEST: ping: local->remote vid 10->vid 20 [FAIL] > TEST: ping: local->remote vid 20->vid 10 [FAIL] > TEST: neigh_suppress: on / neigh exists: yes [ OK ] > TEST: neigh_suppress: on / neigh exists: no [ OK ] > TEST: neigh_suppress: off / neigh exists: no [ OK ] > TEST: neigh_suppress: off / neigh exists: yes [ OK ] > > # dmesg > [...snip...] > [ 1518.885526] device br1 entered promiscuous mode > [ 1518.886211] device br1 left promiscuous mode > [ 1518.890637] device br1 entered promiscuous mode > [ 1518.941524] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) > [ 1518.949522] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) > [ 1519.165569] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) > [ 1519.166900] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! > [ 1519.392633] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) > [ 1519.741559] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) > [ 1519.861641] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) > [ 1519.862993] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! > [ 1520.181565] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) > [ 1520.182739] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) > [ 1524.853572] net_ratelimit: 4 callbacks suppressed > [ 1524.854346] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) > [ 1525.365565] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) > [ 1533.557792] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) > [ 1534.069921] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) > [ 1550.965225] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) > [ 1551.477294] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) > [ 1558.064257] device w3 left promiscuous mode > [ 1558.073279] br1: port 4(w3) entered disabled state > [...snip...] > > Thanks > Hangbin