Commit 555afaae authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: mlxsw: Test RIF MAC vetoing



Test that attempts to change address in a way that violates Spectrum
requirements are vetoed with extack.
Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 74bc9939
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Test various interface configuration scenarios. Observe that configurations
# deemed valid by mlxsw succeed, invalid configurations fail and that no traces
# are produced. To prevent the test from passing in case traces are produced,
# the user can set the 'kernel.panic_on_warn' and 'kernel.panic_on_oops'
# sysctls in its environment.
lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="
rif_set_addr_test
"
NUM_NETIFS=2
source $lib_dir/lib.sh
setup_prepare()
{
swp1=${NETIFS[p1]}
swp2=${NETIFS[p2]}
ip link set dev $swp1 up
ip link set dev $swp2 up
}
cleanup()
{
pre_cleanup
ip link set dev $swp2 down
ip link set dev $swp1 down
}
rif_set_addr_test()
{
local swp1_mac=$(mac_get $swp1)
local swp2_mac=$(mac_get $swp2)
RET=0
# $swp1 and $swp2 likely got their IPv6 local addresses already, but
# here we need to test the transition to RIF.
ip addr flush dev $swp1
ip addr flush dev $swp2
sleep .1
ip addr add dev $swp1 192.0.2.1/28
check_err $?
ip link set dev $swp1 addr 00:11:22:33:44:55
check_err $?
# IP address enablement should be rejected if the MAC address prefix
# doesn't match other RIFs.
ip addr add dev $swp2 192.0.2.2/28 &>/dev/null
check_fail $? "IP address addition passed for a device with a wrong MAC"
ip addr add dev $swp2 192.0.2.2/28 2>&1 >/dev/null \
| grep -q mlxsw_spectrum
check_err $? "no extack for IP address addition"
ip link set dev $swp2 addr 00:11:22:33:44:66
check_err $?
ip addr add dev $swp2 192.0.2.2/28 &>/dev/null
check_err $?
# Change of MAC address of a RIF should be forbidden if the new MAC
# doesn't share the prefix with other MAC addresses.
ip link set dev $swp2 addr 00:11:22:33:00:66 &>/dev/null
check_fail $? "change of MAC address passed for a wrong MAC"
ip link set dev $swp2 addr 00:11:22:33:00:66 2>&1 >/dev/null \
| grep -q mlxsw_spectrum
check_err $? "no extack for MAC address change"
log_test "RIF - bad MAC change"
ip addr del dev $swp2 192.0.2.2/28
ip addr del dev $swp1 192.0.2.1/28
ip link set dev $swp2 addr $swp2_mac
ip link set dev $swp1 addr $swp1_mac
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
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