diff options
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh new file mode 100755 index 000000000000..7f78b96279f3 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh @@ -0,0 +1,170 @@ +#!/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 + rif_inherit_bridge_addr_test + rif_non_inherit_bridge_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 +} + +rif_inherit_bridge_addr_test() +{ + RET=0 + + # Create first RIF + ip addr add dev $swp1 192.0.2.1/28 + check_err $? + + # Create a FID RIF + ip link add name br1 up type bridge vlan_filtering 0 + ip link set dev $swp2 master br1 + ip addr add dev br1 192.0.2.17/28 + check_err $? + + # Prepare a device with a low MAC address + ip link add name d up type dummy + ip link set dev d addr 00:11:22:33:44:55 + + # Attach the device to br1. That prompts bridge address change, which + # should be vetoed, thus preventing the attachment. + ip link set dev d master br1 &>/dev/null + check_fail $? "Device with low MAC was permitted to attach a bridge with RIF" + ip link set dev d master br1 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "no extack for bridge attach rejection" + + ip link set dev $swp2 addr 00:11:22:33:44:55 &>/dev/null + check_fail $? "Changing swp2's MAC address permitted" + ip link set dev $swp2 addr 00:11:22:33:44:55 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "no extack for bridge port MAC address change rejection" + + log_test "RIF - attach port with bad MAC to bridge" + + ip link del dev d + ip link del dev br1 + ip addr del dev $swp1 192.0.2.1/28 +} + +rif_non_inherit_bridge_addr_test() +{ + local swp2_mac=$(mac_get $swp2) + + RET=0 + + # Create first RIF + ip addr add dev $swp1 192.0.2.1/28 + check_err $? + + # Create a FID RIF + ip link add name br1 up type bridge vlan_filtering 0 + ip link set dev br1 addr $swp2_mac + ip link set dev $swp2 master br1 + ip addr add dev br1 192.0.2.17/28 + check_err $? + + # Prepare a device with a low MAC address + ip link add name d up type dummy + ip link set dev d addr 00:11:22:33:44:55 + + # Attach the device to br1. Since the bridge address was set, it should + # work. + ip link set dev d master br1 &>/dev/null + check_err $? "Could not attach a device with low MAC to a bridge with RIF" + + # Port MAC address change should be allowed for a bridge with set MAC. + ip link set dev $swp2 addr 00:11:22:33:44:55 + check_err $? "Changing swp2's MAC address not permitted" + + log_test "RIF - attach port with bad MAC to bridge with set MAC" + + ip link set dev $swp2 addr $swp2_mac + ip link del dev d + ip link del dev br1 + ip addr del dev $swp1 192.0.2.1/28 +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS |