diff options
Diffstat (limited to 'tools/testing/selftests/drivers/net/netdevsim/devlink.sh')
-rwxr-xr-x | tools/testing/selftests/drivers/net/netdevsim/devlink.sh | 167 |
1 files changed, 166 insertions, 1 deletions
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh index 40909c254365..9de1d123f4f5 100755 --- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh +++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh @@ -5,12 +5,13 @@ lib_dir=$(dirname $0)/../../../net/forwarding ALL_TESTS="fw_flash_test params_test regions_test reload_test \ netns_reload_test resource_test dev_info_test \ - empty_reporter_test dummy_reporter_test" + empty_reporter_test dummy_reporter_test rate_test" NUM_NETIFS=0 source $lib_dir/lib.sh BUS_ADDR=10 PORT_COUNT=4 +VF_COUNT=4 DEV_NAME=netdevsim$BUS_ADDR SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/ DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/ @@ -507,6 +508,170 @@ dummy_reporter_test() log_test "dummy reporter test" } +rate_leafs_get() +{ + local handle=$1 + + cmd_jq "devlink port function rate show -j" \ + '.[] | to_entries | .[] | select(.value.type == "leaf") | .key | select(contains("'$handle'"))' +} + +rate_nodes_get() +{ + local handle=$1 + + cmd_jq "devlink port function rate show -j" \ + '.[] | to_entries | .[] | select(.value.type == "node") | .key | select(contains("'$handle'"))' +} + +rate_attr_set() +{ + local handle=$1 + local name=$2 + local value=$3 + local units=$4 + + devlink port function rate set $handle $name $value$units +} + +rate_attr_get() +{ + local handle=$1 + local name=$2 + + cmd_jq "devlink port function rate show $handle -j" '.[][].'$name +} + +rate_attr_tx_rate_check() +{ + local handle=$1 + local name=$2 + local rate=$3 + local debug_file=$4 + + rate_attr_set $handle $name $rate mbit + check_err $? "Failed to set $name value" + + local debug_value=$(cat $debug_file) + check_err $? "Failed to read $name value from debugfs" + [ "$debug_value" == "$rate" ] + check_err $? "Unexpected $name debug value $debug_value != $rate" + + local api_value=$(( $(rate_attr_get $handle $name) * 8 / 1000000 )) + check_err $? "Failed to get $name attr value" + [ "$api_value" == "$rate" ] + check_err $? "Unexpected $name attr value $api_value != $rate" +} + +rate_attr_parent_check() +{ + local handle=$1 + local parent=$2 + local debug_file=$3 + + rate_attr_set $handle parent $parent + check_err $? "Failed to set parent" + + debug_value=$(cat $debug_file) + check_err $? "Failed to get parent debugfs value" + [ "$debug_value" == "$parent" ] + check_err $? "Unexpected parent debug value $debug_value != $parent" + + api_value=$(rate_attr_get $r_obj parent) + check_err $? "Failed to get parent attr value" + [ "$api_value" == "$parent" ] + check_err $? "Unexpected parent attr value $api_value != $parent" +} + +rate_node_add() +{ + local handle=$1 + + devlink port function rate add $handle +} + +rate_node_del() +{ + local handle=$1 + + devlink port function rate del $handle +} + +rate_test() +{ + RET=0 + + echo $VF_COUNT > /sys/bus/netdevsim/devices/$DEV_NAME/sriov_numvfs + devlink dev eswitch set $DL_HANDLE mode switchdev + local leafs=`rate_leafs_get $DL_HANDLE` + local num_leafs=`echo $leafs | wc -w` + [ "$num_leafs" == "$VF_COUNT" ] + check_err $? "Expected $VF_COUNT rate leafs but got $num_leafs" + + rate=10 + for r_obj in $leafs + do + rate_attr_tx_rate_check $r_obj tx_share $rate \ + $DEBUGFS_DIR/ports/${r_obj##*/}/tx_share + rate=$(($rate+10)) + done + + rate=100 + for r_obj in $leafs + do + rate_attr_tx_rate_check $r_obj tx_max $rate \ + $DEBUGFS_DIR/ports/${r_obj##*/}/tx_max + rate=$(($rate+100)) + done + + local node1_name='group1' + local node1="$DL_HANDLE/$node1_name" + rate_node_add "$node1" + check_err $? "Failed to add node $node1" + + local num_nodes=`rate_nodes_get $DL_HANDLE | wc -w` + [ $num_nodes == 1 ] + check_err $? "Expected 1 rate node in output but got $num_nodes" + + local node_tx_share=10 + rate_attr_tx_rate_check $node1 tx_share $node_tx_share \ + $DEBUGFS_DIR/rate_nodes/${node1##*/}/tx_share + + local node_tx_max=100 + rate_attr_tx_rate_check $node1 tx_max $node_tx_max \ + $DEBUGFS_DIR/rate_nodes/${node1##*/}/tx_max + + rate_node_del "$node1" + check_err $? "Failed to delete node $node1" + local num_nodes=`rate_nodes_get $DL_HANDLE | wc -w` + [ $num_nodes == 0 ] + check_err $? "Expected 0 rate node but got $num_nodes" + + local node1_name='group1' + local node1="$DL_HANDLE/$node1_name" + rate_node_add "$node1" + check_err $? "Failed to add node $node1" + + rate_attr_parent_check $r_obj $node1_name \ + $DEBUGFS_DIR/ports/${r_obj##*/}/rate_parent + + local node2_name='group2' + local node2="$DL_HANDLE/$node2_name" + rate_node_add "$node2" + check_err $? "Failed to add node $node2" + + rate_attr_parent_check $node2 $node1_name \ + $DEBUGFS_DIR/rate_nodes/$node2_name/rate_parent + rate_node_del "$node2" + check_err $? "Failed to delete node $node2" + rate_attr_set "$r_obj" noparent + check_err $? "Failed to unset $r_obj parent node" + rate_node_del "$node1" + check_err $? "Failed to delete node $node1" + + log_test "rate test" +} + setup_prepare() { modprobe netdevsim |