diff options
author | Danielle Ratson <danieller@nvidia.com> | 2021-10-26 12:42:24 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-10-26 13:35:58 +0100 |
commit | 20d446db6144ff2d60dfebb9db7bea885d7b726b (patch) | |
tree | 87fcf7afd61ad23065dee5256f27576273f3cef7 /tools | |
parent | a10b7bacde60894b999cf9b5fa194ad55f7ded41 (diff) |
selftests: Add an occupancy test for RIF MAC profiles
When all the RIF MAC profiles are in use, test that it is possible to
change the MAC of a netdev (i.e., a RIF) when its MAC profile is not
shared with other RIFs. Test that replacement fails when the MAC profile
is shared.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
-rwxr-xr-x | tools/testing/selftests/drivers/net/mlxsw/rif_mac_profiles_occ.sh | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/mlxsw/rif_mac_profiles_occ.sh b/tools/testing/selftests/drivers/net/mlxsw/rif_mac_profiles_occ.sh new file mode 100755 index 000000000000..b513f64d9092 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/rif_mac_profiles_occ.sh @@ -0,0 +1,117 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +lib_dir=$(dirname $0)/../../../net/forwarding + +ALL_TESTS=" + rif_mac_profile_edit_test +" +NUM_NETIFS=2 +source $lib_dir/lib.sh +source $lib_dir/devlink_lib.sh + +setup_prepare() +{ + h1=${NETIFS[p1]} + h2=${NETIFS[p2]} + + # Disable IPv6 on the two interfaces to avoid IPv6 link-local addresses + # being generated and RIFs being created + sysctl_set net.ipv6.conf.$h1.disable_ipv6 1 + sysctl_set net.ipv6.conf.$h2.disable_ipv6 1 + + ip link set $h1 up + ip link set $h2 up +} + +cleanup() +{ + pre_cleanup + + ip link set $h2 down + ip link set $h1 down + + sysctl_restore net.ipv6.conf.$h2.disable_ipv6 + sysctl_restore net.ipv6.conf.$h1.disable_ipv6 + + # Reload in order to clean all the RIFs and RIF MAC profiles created + devlink_reload +} + +create_max_rif_mac_profiles() +{ + local count=$1; shift + local batch_file="$(mktemp)" + + for ((i = 1; i <= count; i++)); do + vlan=$(( i*10 )) + m=$(( i*11 )) + + cat >> $batch_file <<-EOF + link add link $h1 name $h1.$vlan \ + address 00:$m:$m:$m:$m:$m type vlan id $vlan + address add 192.0.$m.1/24 dev $h1.$vlan + EOF + done + + ip -b $batch_file &> /dev/null + rm -f $batch_file +} + +rif_mac_profile_replacement_test() +{ + local h1_10_mac=$(mac_get $h1.10) + + RET=0 + + ip link set $h1.10 address 00:12:34:56:78:99 + check_err $? + + log_test "RIF MAC profile replacement" + + ip link set $h1.10 address $h1_10_mac +} + +rif_mac_profile_shared_replacement_test() +{ + local count=$1; shift + local i=$((count + 1)) + local vlan=$(( i*10 )) + local m=11 + + RET=0 + + # Create a VLAN netdevice that has the same MAC as the first one. + ip link add link $h1 name $h1.$vlan address 00:$m:$m:$m:$m:$m \ + type vlan id $vlan + ip address add 192.0.$m.1/24 dev $h1.$vlan + + # MAC replacement should fail because all the MAC profiles are in use + # and the profile is shared between multiple RIFs + m=$(( i*11 )) + ip link set $h1.$vlan address 00:$m:$m:$m:$m:$m &> /dev/null + check_fail $? + + log_test "RIF MAC profile shared replacement" + + ip link del dev $h1.$vlan +} + +rif_mac_profile_edit_test() +{ + local count=$(devlink_resource_size_get rif_mac_profiles) + + create_max_rif_mac_profiles $count + + rif_mac_profile_replacement_test + rif_mac_profile_shared_replacement_test $count +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS |