name : rif_mac_profiles_occ.sh #!/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_consolidation_test() { local count=$1; shift local h1_20_mac RET=0 if [[ $count -eq 1 ]]; then return fi h1_20_mac=$(mac_get $h1.20) # Set the MAC of $h1.20 to that of $h1.10 and confirm that they are # using the same MAC profile. ip link set $h1.20 address 00:11:11:11:11:11 check_err $? occ=$(devlink -j resource show $DEVLINK_DEV \ | jq '.[][][] | select(.name=="rif_mac_profiles") |.["occ"]') [[ $occ -eq $((count - 1)) ]] check_err $? "MAC profile occupancy did not decrease" log_test "RIF MAC profile consolidation" ip link set $h1.20 address $h1_20_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_consolidation_test $count rif_mac_profile_shared_replacement_test $count } trap cleanup EXIT setup_prepare setup_wait tests_run exit $EXIT_STATUS