From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=QhJy8vAsWRk7rBxT10iDy/5PmoVr3qcRU2Dxdwypg2w=; b=BFYKpQ+8HJ031Pci0GGoXTHAK52LstG0U+QTzwaDWYuNKuqt6XQOmyKDhqE4LpIweq ddrtnQYze5cmPDF816qSS+xaUlDY24jUhRklTLRJHNb2kludEKx1hdd5wHhWDvb08gKa LevUQgwVi8mn9T5XFFOnNVtGY5dWJcNmqREqpjXCUPLR2x7Th55wEZ7xPmUQy6fu7u+S Z9eoeDMEgDTOLUUV3N+I0yEY9OH9OxbB4lxErfv89muikeeaq6/+/ETll0ovphhOM4S1 p1BK0EiffcXwJjrp0h/wVqqXZkykAy0GzEo9y6Ws9EoOijhpHwJauuKDRNeNQL0lCu1j qYhA== From: Hans Schultz In-Reply-To: References: <20220524152144.40527-1-schultz.hans+netdev@gmail.com> <20220524152144.40527-5-schultz.hans+netdev@gmail.com> Date: Fri, 27 May 2022 11:07:50 +0200 Message-ID: <86pmjz2vix.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain 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: Ido Schimmel , Hans Schultz Cc: Ivan Vecera , Andrew Lunn , Florian Fainelli , Jiri Pirko , Daniel Borkmann , netdev@vger.kernel.org, Nikolay Aleksandrov , bridge@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Ido Schimmel , Vivien Didelot , Eric Dumazet , Paolo Abeni , linux-kselftest@vger.kernel.org, Roopa Prabhu , kuba@kernel.org, Vladimir Oltean , Shuah Khan , davem@davemloft.net On tor, maj 26, 2022 at 17:27, Ido Schimmel wrote: > 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. > Sorry, I might have lost a bit track of the kernel selftests, as for internal reasons there has been a pause in the work. I will remove the changes to the previous tests, and I hope it will be fine. >> >> +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. > I guess you are right. >> + >> + 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 > noted. >> + bridge link set dev $swp1 locked off >> + >> + log_test "Locked port MAB" >> +} >> trap cleanup EXIT >> >> setup_prepare >> -- >> 2.30.2 >>