From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:feedback-id :feedback-id:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; t=1653575269; x=1653661669; bh=StrlpIYajUUCDicQmIv6vQpHKNJZ suJXBuDoYzce0XU=; b=mnurwjAcVnldsgZxi5JsRrqsPfBzzO+n+pBlmvIxIEGS kCvlFvVteXMu2KLrIDvuFFxLoIOYwZEkZQag4qZizXF1Z1w7TqZzqZnmjhkto+Cj NAQRgqf6yPtmOuTNvU8WpivNyc0eKwfhfWyvXlRnY5VyWzfAxN/0rpB7sAqH0DD/ C5sibS8yfugBPbOuVPNnwgH/hoSUawgsItougUcqFjjubuiGMTyj+DGgLNuF00Pp TjwtixybLl7hvTYO5a6tIOTnWwa1qaO8H71ToAicqxlrOAqa2TKMTSjNZjRlV/5d rvzxH+MHDNkGPcjUH2Ky9FZuUjs9Zh9KqTI4RvdOQw== Date: Thu, 26 May 2022 17:27:44 +0300 From: Ido Schimmel Message-ID: References: <20220524152144.40527-1-schultz.hans+netdev@gmail.com> <20220524152144.40527-5-schultz.hans+netdev@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220524152144.40527-5-schultz.hans+netdev@gmail.com> Subject: Re: [Bridge] [PATCH V3 net-next 4/4] selftests: forwarding: add test of MAC-Auth Bypass to locked port tests List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Hans Schultz Cc: Ivan Vecera , Andrew Lunn , Florian Fainelli , Jiri Pirko , Daniel Borkmann , netdev@vger.kernel.org, Nikolay Aleksandrov , bridge@lists.linux-foundation.org, Eric Dumazet , Ido Schimmel , Vivien Didelot , Hans Schultz , Paolo Abeni , linux-kselftest@vger.kernel.org, Roopa Prabhu , kuba@kernel.org, Vladimir Oltean , Shuah Khan , davem@davemloft.net, linux-kernel@vger.kernel.org On Tue, May 24, 2022 at 05:21:44PM +0200, Hans Schultz wrote: > Verify that the MAC-Auth mechanism works by adding a FDB entry with the > locked flag set. denying access until the FDB entry is replaced with a > FDB entry without the locked flag set. > > Signed-off-by: Hans Schultz > --- > .../net/forwarding/bridge_locked_port.sh | 42 ++++++++++++++++--- > 1 file changed, 36 insertions(+), 6 deletions(-) > > diff --git a/tools/testing/selftests/net/forwarding/bridge_locked_port.sh b/tools/testing/selftests/net/forwarding/bridge_locked_port.sh > index 5b02b6b60ce7..50b9048d044a 100755 > --- a/tools/testing/selftests/net/forwarding/bridge_locked_port.sh > +++ b/tools/testing/selftests/net/forwarding/bridge_locked_port.sh > @@ -1,7 +1,7 @@ > #!/bin/bash > # SPDX-License-Identifier: GPL-2.0 > > -ALL_TESTS="locked_port_ipv4 locked_port_ipv6 locked_port_vlan" > +ALL_TESTS="locked_port_ipv4 locked_port_ipv6 locked_port_vlan locked_port_mab" > NUM_NETIFS=4 > CHECK_TC="no" > source lib.sh > @@ -94,13 +94,13 @@ locked_port_ipv4() > ping_do $h1 192.0.2.2 > check_fail $? "Ping worked after locking port, but before adding FDB entry" > > - bridge fdb add `mac_get $h1` dev $swp1 master static > + bridge fdb replace `mac_get $h1` dev $swp1 master static > > ping_do $h1 192.0.2.2 > check_err $? "Ping did not work after locking port and adding FDB entry" > > bridge link set dev $swp1 locked off > - bridge fdb del `mac_get $h1` dev $swp1 master static > + bridge fdb del `mac_get $h1` dev $swp1 master > > ping_do $h1 192.0.2.2 > check_err $? "Ping did not work after unlocking port and removing FDB entry." > @@ -124,13 +124,13 @@ locked_port_vlan() > ping_do $h1.100 198.51.100.2 > check_fail $? "Ping through vlan worked after locking port, but before adding FDB entry" > > - bridge fdb add `mac_get $h1` dev $swp1 vlan 100 master static > + bridge fdb replace `mac_get $h1` dev $swp1 master static > > ping_do $h1.100 198.51.100.2 > check_err $? "Ping through vlan did not work after locking port and adding FDB entry" > > bridge link set dev $swp1 locked off > - bridge fdb del `mac_get $h1` dev $swp1 vlan 100 master static > + bridge fdb del `mac_get $h1` dev $swp1 vlan 100 master > > ping_do $h1.100 198.51.100.2 > check_err $? "Ping through vlan did not work after unlocking port and removing FDB entry" > @@ -153,7 +153,8 @@ locked_port_ipv6() > ping6_do $h1 2001:db8:1::2 > check_fail $? "Ping6 worked after locking port, but before adding FDB entry" > > - bridge fdb add `mac_get $h1` dev $swp1 master static > + bridge fdb replace `mac_get $h1` dev $swp1 master static > + > ping6_do $h1 2001:db8:1::2 > check_err $? "Ping6 did not work after locking port and adding FDB entry" > > @@ -166,6 +167,35 @@ locked_port_ipv6() > log_test "Locked port ipv6" > } Why did you change s/add/replace/? Also, from the subject and commit message I understand the patch is about adding a new test, not changing existing ones. > > +locked_port_mab() > +{ > + RET=0 > + check_locked_port_support || return 0 > + > + ping_do $h1 192.0.2.2 > + check_err $? "MAB: Ping did not work before locking port" > + > + bridge link set dev $swp1 locked on > + bridge link set dev $swp1 learning on > + > + bridge fdb del `mac_get $h1` dev $swp1 master Why the delete is needed? Aren't you getting errors on trying to delete a non-existing entry? In previous test cases learning is disabled and it seems the FDB entry is cleaned up. > + > + ping_do $h1 192.0.2.2 > + check_fail $? "MAB: Ping worked on locked port without FDB entry" > + > + bridge fdb show | grep `mac_get $h1` | grep -q "locked" > + check_err $? "MAB: No locked fdb entry after ping on locked port" > + > + bridge fdb replace `mac_get $h1` dev $swp1 master static > + > + ping_do $h1 192.0.2.2 > + check_err $? "MAB: Ping did not work with fdb entry without locked flag" > + > + bridge fdb del `mac_get $h1` dev $swp1 master bridge link set dev $swp1 learning off > + bridge link set dev $swp1 locked off > + > + log_test "Locked port MAB" > +} > trap cleanup EXIT > > setup_prepare > -- > 2.30.2 >