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    Subject[PATCH V3 net-next 4/4] selftests: forwarding: add test of MAC-Auth Bypass to locked port tests
    Date
    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 <schultz.hans+netdev@gmail.com>
    ---
    .../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"
    }

    +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
    +
    + 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 locked off
    +
    + log_test "Locked port MAB"
    +}
    trap cleanup EXIT

    setup_prepare
    --
    2.30.2
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