mirror of
https://github.com/vishvananda/netlink
synced 2024-12-17 20:24:44 +00:00
5daafafd95
Functions added: DevlinkGetDeviceParams - get all parameters for device DevlinkGetDeviceParamByName - get specific parameter for device DevlinkSetDeviceParam - set parameter for device Signed-off-by: Yury Kulazhenkov <ykulazhenkov@nvidia.com>
405 lines
12 KiB
Go
405 lines
12 KiB
Go
//go:build linux
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// +build linux
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package netlink
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import (
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"flag"
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"math/rand"
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"net"
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"os"
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"strconv"
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"testing"
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"github.com/vishvananda/netlink/nl"
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)
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func TestDevLinkGetDeviceList(t *testing.T) {
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minKernelRequired(t, 4, 12)
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setUpNetlinkTestWithKModule(t, "devlink")
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_, err := DevLinkGetDeviceList()
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestDevLinkGetDeviceByName(t *testing.T) {
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minKernelRequired(t, 4, 12)
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setUpNetlinkTestWithKModule(t, "devlink")
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_, err := DevLinkGetDeviceByName("foo", "bar")
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestDevLinkSetEswitchMode(t *testing.T) {
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minKernelRequired(t, 4, 12)
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setUpNetlinkTestWithKModule(t, "devlink")
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dev, err := DevLinkGetDeviceByName("foo", "bar")
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if err != nil {
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t.Fatal(err)
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}
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err = DevLinkSetEswitchMode(dev, "switchdev")
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if err != nil {
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t.Fatal(err)
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}
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err = DevLinkSetEswitchMode(dev, "legacy")
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestDevLinkGetAllPortList(t *testing.T) {
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minKernelRequired(t, 5, 4)
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ports, err := DevLinkGetAllPortList()
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if err != nil {
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t.Fatal(err)
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}
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t.Log("devlink port count = ", len(ports))
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for _, port := range ports {
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t.Log(*port)
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}
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}
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func TestDevLinkAddDelSfPort(t *testing.T) {
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var addAttrs DevLinkPortAddAttrs
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minKernelRequired(t, 5, 13)
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if bus == "" || device == "" {
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t.Log("devlink bus and device are empty, skipping test")
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return
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}
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dev, err := DevLinkGetDeviceByName(bus, device)
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if err != nil {
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t.Fatal(err)
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return
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}
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addAttrs.SfNumberValid = true
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addAttrs.SfNumber = uint32(sfnum)
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addAttrs.PfNumber = 0
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port, err2 := DevLinkPortAdd(dev.BusName, dev.DeviceName, 7, addAttrs)
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if err2 != nil {
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t.Fatal(err2)
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return
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}
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t.Log(*port)
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if port.Fn != nil {
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t.Log("function attributes = ", *port.Fn)
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}
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err2 = DevLinkPortDel(dev.BusName, dev.DeviceName, port.PortIndex)
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if err2 != nil {
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t.Fatal(err2)
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}
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}
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func TestDevLinkSfPortFnSet(t *testing.T) {
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var addAttrs DevLinkPortAddAttrs
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var stateAttr DevlinkPortFnSetAttrs
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minKernelRequired(t, 5, 12)
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if bus == "" || device == "" {
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t.Log("devlink bus and device are empty, skipping test")
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return
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}
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dev, err := DevLinkGetDeviceByName(bus, device)
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if err != nil {
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t.Fatal(err)
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return
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}
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addAttrs.SfNumberValid = true
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addAttrs.SfNumber = uint32(sfnum)
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addAttrs.PfNumber = 0
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port, err2 := DevLinkPortAdd(dev.BusName, dev.DeviceName, 7, addAttrs)
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if err2 != nil {
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t.Fatal(err2)
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return
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}
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t.Log(*port)
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if port.Fn != nil {
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t.Log("function attributes = ", *port.Fn)
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}
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macAttr := DevlinkPortFnSetAttrs{
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FnAttrs: DevlinkPortFn{
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HwAddr: net.HardwareAddr{0x00, 0x11, 0x22, 0x33, 0x44, 0x55},
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},
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HwAddrValid: true,
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}
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err2 = DevlinkPortFnSet(dev.BusName, dev.DeviceName, port.PortIndex, macAttr)
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if err2 != nil {
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t.Log("function mac set err = ", err2)
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}
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stateAttr.FnAttrs.State = 1
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stateAttr.StateValid = true
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err2 = DevlinkPortFnSet(dev.BusName, dev.DeviceName, port.PortIndex, stateAttr)
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if err2 != nil {
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t.Log("function state set err = ", err2)
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}
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port, err3 := DevLinkGetPortByIndex(dev.BusName, dev.DeviceName, port.PortIndex)
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if err3 == nil {
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t.Log(*port)
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t.Log(*port.Fn)
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}
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err2 = DevLinkPortDel(dev.BusName, dev.DeviceName, port.PortIndex)
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if err2 != nil {
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t.Fatal(err2)
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}
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}
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var bus string
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var device string
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var sfnum uint
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func init() {
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flag.StringVar(&bus, "bus", "", "devlink device bus name")
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flag.StringVar(&device, "device", "", "devlink device devicename")
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flag.UintVar(&sfnum, "sfnum", 0, "devlink port sfnumber")
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}
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func TestDevlinkGetDeviceInfoByNameAsMap(t *testing.T) {
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info, err := pkgHandle.DevlinkGetDeviceInfoByNameAsMap("pci", "0000:00:00.0", mockDevlinkInfoGetter)
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if err != nil {
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t.Fatal(err)
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}
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testInfo := devlinkTestInfoParesd()
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for k, v := range info {
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if testInfo[k] != v {
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t.Fatal("Value", v, "retrieved for key", k, "is not equal to", testInfo[k])
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}
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}
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}
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func TestDevlinkGetDeviceInfoByName(t *testing.T) {
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info, err := pkgHandle.DevlinkGetDeviceInfoByName("pci", "0000:00:00.0", mockDevlinkInfoGetter)
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if err != nil {
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t.Fatal(err)
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}
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testInfo := parseInfoData(devlinkTestInfoParesd())
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if !areInfoStructsEqual(info, testInfo) {
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t.Fatal("Info structures are not equal")
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}
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}
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func TestDevlinkGetDeviceInfoByNameAsMapFail(t *testing.T) {
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_, err := pkgHandle.DevlinkGetDeviceInfoByNameAsMap("pci", "0000:00:00.0", mockDevlinkInfoGetterEmpty)
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if err == nil {
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t.Fatal()
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}
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}
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func TestDevlinkGetDeviceInfoByNameFail(t *testing.T) {
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_, err := pkgHandle.DevlinkGetDeviceInfoByName("pci", "0000:00:00.0", mockDevlinkInfoGetterEmpty)
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if err == nil {
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t.Fatal()
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}
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}
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func mockDevlinkInfoGetter(bus, device string) ([]byte, error) {
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return devlinkInfo(), nil
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}
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func mockDevlinkInfoGetterEmpty(bus, device string) ([]byte, error) {
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return []byte{}, nil
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}
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func devlinkInfo() []byte {
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return []byte{51, 1, 0, 0, 8, 0, 1, 0, 112, 99, 105, 0, 17, 0, 2, 0, 48,
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48, 48, 48, 58, 56, 52, 58, 48, 48, 46, 48, 0, 0, 0, 0, 8, 0, 98, 0,
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105, 99, 101, 0, 28, 0, 99, 0, 51, 48, 45, 56, 57, 45, 97, 51, 45,
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102, 102, 45, 102, 102, 45, 99, 97, 45, 48, 53, 45, 54, 56, 0, 36,
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0, 100, 0, 13, 0, 103, 0, 98, 111, 97, 114, 100, 46, 105, 100, 0, 0,
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0, 0, 15, 0, 104, 0, 75, 56, 53, 53, 56, 53, 45, 48, 48, 48, 0, 0,
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28, 0, 101, 0, 12, 0, 103, 0, 102, 119, 46, 109, 103, 109, 116, 0,
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10, 0, 104, 0, 53, 46, 52, 46, 53, 0, 0, 0, 28, 0, 101, 0, 16, 0,
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103, 0, 102, 119, 46, 109, 103, 109, 116, 46, 97, 112, 105, 0, 8, 0,
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104, 0, 49, 46, 55, 0, 40, 0, 101, 0, 18, 0, 103, 0, 102, 119, 46,
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109, 103, 109, 116, 46, 98, 117, 105, 108, 100, 0, 0, 0, 15, 0, 104,
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0, 48, 120, 51, 57, 49, 102, 55, 54, 52, 48, 0, 0, 32, 0, 101, 0,
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12, 0, 103, 0, 102, 119, 46, 117, 110, 100, 105, 0, 13, 0, 104, 0,
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49, 46, 50, 56, 57, 56, 46, 48, 0, 0, 0, 0, 32, 0, 101, 0, 16, 0,
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103, 0, 102, 119, 46, 112, 115, 105, 100, 46, 97, 112, 105, 0, 9, 0,
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104, 0, 50, 46, 52, 50, 0, 0, 0, 0, 40, 0, 101, 0, 17, 0, 103, 0,
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102, 119, 46, 98, 117, 110, 100, 108, 101, 95, 105, 100, 0, 0, 0, 0,
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15, 0, 104, 0, 48, 120, 56, 48, 48, 48, 55, 48, 54, 98, 0, 0, 48, 0,
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101, 0, 16, 0, 103, 0, 102, 119, 46, 97, 112, 112, 46, 110, 97, 109,
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101, 0, 27, 0, 104, 0, 73, 67, 69, 32, 79, 83, 32, 68, 101, 102, 97,
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117, 108, 116, 32, 80, 97, 99, 107, 97, 103, 101, 0, 0, 32, 0, 101,
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0, 11, 0, 103, 0, 102, 119, 46, 97, 112, 112, 0, 0, 13, 0, 104, 0,
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49, 46, 51, 46, 50, 52, 46, 48, 0, 0, 0, 0, 44, 0, 101, 0, 21, 0,
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103, 0, 102, 119, 46, 97, 112, 112, 46, 98, 117, 110, 100, 108,
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101, 95, 105, 100, 0, 0, 0, 0, 15, 0, 104, 0, 48, 120, 99, 48, 48,
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48, 48, 48, 48, 49, 0, 0, 44, 0, 101, 0, 15, 0, 103, 0, 102, 119,
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46, 110, 101, 116, 108, 105, 115, 116, 0, 0, 21, 0, 104, 0, 50, 46,
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52, 48, 46, 50, 48, 48, 48, 45, 51, 46, 49, 54, 46, 48, 0, 0, 0, 0,
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44, 0, 101, 0, 21, 0, 103, 0, 102, 119, 46, 110, 101, 116, 108, 105,
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115, 116, 46, 98, 117, 105, 108, 100, 0, 0, 0, 0, 15, 0, 104, 0, 48,
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120, 54, 55, 54, 97, 52, 56, 57, 100, 0, 0}
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}
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func devlinkTestInfoParesd() map[string]string {
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return map[string]string{
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"board.id": "K85585-000",
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"fw.app": "1.3.24.0",
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"fw.app.bundle_id": "0xc0000001",
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"fw.app.name": "ICE OS Default Package",
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"fw.bundle_id": "0x8000706b",
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"fw.mgmt": "5.4.5",
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"fw.mgmt.api": "1.7",
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"fw.mgmt.build": "0x391f7640",
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"fw.netlist": "2.40.2000-3.16.0",
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"fw.netlist.build": "0x676a489d",
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"fw.psid.api": "2.42",
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"fw.undi": "1.2898.0",
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"driver": "ice",
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"serialNumber": "30-89-a3-ff-ff-ca-05-68",
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}
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}
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func areInfoStructsEqual(first *DevlinkDeviceInfo, second *DevlinkDeviceInfo) bool {
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if first.FwApp != second.FwApp || first.FwAppBoundleID != second.FwAppBoundleID ||
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first.FwAppName != second.FwAppName || first.FwBoundleID != second.FwBoundleID ||
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first.FwMgmt != second.FwMgmt || first.FwMgmtAPI != second.FwMgmtAPI ||
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first.FwMgmtBuild != second.FwMgmtBuild || first.FwNetlist != second.FwNetlist ||
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first.FwNetlistBuild != second.FwNetlistBuild || first.FwPsidAPI != second.FwPsidAPI ||
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first.BoardID != second.BoardID || first.FwUndi != second.FwUndi ||
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first.Driver != second.Driver || first.SerialNumber != second.SerialNumber {
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return false
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}
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return true
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}
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func TestDevlinkGetDeviceResources(t *testing.T) {
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minKernelRequired(t, 5, 11)
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tearDown := setUpNetlinkTestWithKModule(t, "devlink")
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defer tearDown()
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if bus == "" || device == "" {
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//TODO: setup netdevsim device instead of getting device from flags
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t.Log("devlink bus and device are empty, skipping test")
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t.SkipNow()
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}
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res, err := DevlinkGetDeviceResources(bus, device)
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if err != nil {
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t.Fatalf("failed to get device(%s/%s) resources. %s", bus, device, err)
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}
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if res.Bus != bus || res.Device != device {
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t.Fatalf("missmatching bus/device")
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}
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t.Logf("Resources: %+v", res)
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}
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// devlink device parameters can be tested with netdevsim
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// function will create netdevsim/netdevsim<random_id> virtual device that can be used for testing
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// netdevsim module should be loaded to run devlink param tests
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func setupDevlinkDeviceParamTest(t *testing.T) (string, string, func()) {
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t.Helper()
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skipUnlessRoot(t)
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skipUnlessKModuleLoaded(t, "netdevsim")
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testDevID := strconv.Itoa(1000 + rand.Intn(1000))
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err := os.WriteFile("/sys/bus/netdevsim/new_device", []byte(testDevID), 0755)
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if err != nil {
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t.Fatalf("can't create netdevsim test device %s: %v", testDevID, err)
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}
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return "netdevsim", "netdevsim" + testDevID, func() {
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_ = os.WriteFile("/sys/bus/netdevsim/del_device", []byte(testDevID), 0755)
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}
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}
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func TestDevlinkGetDeviceParams(t *testing.T) {
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busName, deviceName, cleanupFunc := setupDevlinkDeviceParamTest(t)
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defer cleanupFunc()
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params, err := DevlinkGetDeviceParams(busName, deviceName)
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if err != nil {
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t.Fatalf("failed to get device(%s/%s) parameters. %s", busName, deviceName, err)
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}
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if len(params) == 0 {
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t.Fatal("parameters list is empty")
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}
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for _, p := range params {
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validateDeviceParams(t, p)
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}
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}
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func TestDevlinkGetDeviceParamByName(t *testing.T) {
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busName, deviceName, cleanupFunc := setupDevlinkDeviceParamTest(t)
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defer cleanupFunc()
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param, err := DevlinkGetDeviceParamByName(busName, deviceName, "max_macs")
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if err != nil {
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t.Fatalf("failed to get device(%s/%s) parameter max_macs. %s", busName, deviceName, err)
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}
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validateDeviceParams(t, param)
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}
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func TestDevlinkSetDeviceParam(t *testing.T) {
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busName, deviceName, cleanupFunc := setupDevlinkDeviceParamTest(t)
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defer cleanupFunc()
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err := DevlinkSetDeviceParam(busName, deviceName, "max_macs", nl.DEVLINK_PARAM_CMODE_DRIVERINIT, uint32(8))
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if err != nil {
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t.Fatalf("failed to set max_macs for device(%s/%s): %s", busName, deviceName, err)
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}
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param, err := DevlinkGetDeviceParamByName(busName, deviceName, "max_macs")
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if err != nil {
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t.Fatalf("failed to get device(%s/%s) parameter max_macs. %s", busName, deviceName, err)
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}
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validateDeviceParams(t, param)
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v, ok := param.Values[0].Data.(uint32)
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if !ok {
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t.Fatalf("unexpected value")
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}
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if v != uint32(8) {
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t.Fatalf("value not set")
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}
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}
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func validateDeviceParams(t *testing.T, p *DevlinkParam) {
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if p.Name == "" {
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t.Fatal("Name field not set")
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}
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if p.Name == "max_macs" && !p.IsGeneric {
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t.Fatal("IsGeneric should be true for generic parameter")
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}
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// test1 is a driver-specific parameter in netdevsim device, check should
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// also path on HW devices
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if p.Name == "test1" && p.IsGeneric {
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t.Fatal("IsGeneric should be false for driver-specific parameter")
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}
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switch p.Type {
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case nl.DEVLINK_PARAM_TYPE_U8,
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nl.DEVLINK_PARAM_TYPE_U16,
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nl.DEVLINK_PARAM_TYPE_U32,
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nl.DEVLINK_PARAM_TYPE_STRING,
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nl.DEVLINK_PARAM_TYPE_BOOL:
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default:
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t.Fatal("Type has unexpected value")
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}
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if len(p.Values) == 0 {
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t.Fatal("Values are not set")
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}
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for _, v := range p.Values {
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switch v.CMODE {
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case nl.DEVLINK_PARAM_CMODE_RUNTIME,
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nl.DEVLINK_PARAM_CMODE_DRIVERINIT,
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nl.DEVLINK_PARAM_CMODE_PERMANENT:
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default:
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t.Fatal("CMODE has unexpected value")
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}
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if p.Name == "max_macs" {
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_, ok := v.Data.(uint32)
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if !ok {
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t.Fatalf("value max_macs has wrong type: %T, expected: uint32", v.Data)
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}
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}
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if p.Name == "test1" {
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_, ok := v.Data.(bool)
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if !ok {
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t.Fatalf("value test1 has wrong type: %T, expected: bool", v.Data)
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}
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}
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}
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}
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