mirror of https://github.com/vishvananda/netlink
Support for devlink info command
This commit is contained in:
Patryk Strusiewicz-Surmacki
Vish (Ishaya) Abrams
parent
74e723f230
commit
b10eb8fe5c
215
devlink_linux.go
215
devlink_linux.go
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@ -3,6 +3,7 @@ package netlink
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import (
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import (
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"fmt"
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"fmt"
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"net"
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"net"
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"strings"
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"syscall"
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"syscall"
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"github.com/vishvananda/netlink/nl"
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"github.com/vishvananda/netlink/nl"
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@ -65,6 +66,24 @@ type DevLinkPortAddAttrs struct {
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ControllerValid bool
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ControllerValid bool
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}
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}
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// DevlinkDeviceInfo represents devlink info
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type DevlinkDeviceInfo struct {
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Driver string
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SerialNumber string
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BoardID string
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FwApp string
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FwAppBoundleID string
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FwAppName string
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FwBoundleID string
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FwMgmt string
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FwMgmtAPI string
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FwMgmtBuild string
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FwNetlist string
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FwNetlistBuild string
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FwPsidAPI string
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FwUndi string
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}
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func parseDevLinkDeviceList(msgs [][]byte) ([]*DevlinkDevice, error) {
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func parseDevLinkDeviceList(msgs [][]byte) ([]*DevlinkDevice, error) {
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devices := make([]*DevlinkDevice, 0, len(msgs))
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devices := make([]*DevlinkDevice, 0, len(msgs))
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for _, m := range msgs {
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for _, m := range msgs {
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@ -511,3 +530,199 @@ func (h *Handle) DevlinkPortFnSet(Bus string, Device string, PortIndex uint32, F
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func DevlinkPortFnSet(Bus string, Device string, PortIndex uint32, FnAttrs DevlinkPortFnSetAttrs) error {
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func DevlinkPortFnSet(Bus string, Device string, PortIndex uint32, FnAttrs DevlinkPortFnSetAttrs) error {
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return pkgHandle.DevlinkPortFnSet(Bus, Device, PortIndex, FnAttrs)
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return pkgHandle.DevlinkPortFnSet(Bus, Device, PortIndex, FnAttrs)
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}
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}
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// devlinkInfoGetter is function that is responsible for getting devlink info message
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// this is introduced for test purpose
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type devlinkInfoGetter func(bus, device string) ([]byte, error)
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// DevlinkGetDeviceInfoByName returns devlink info for selected device,
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// otherwise returns an error code.
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// Equivalent to: `devlink dev info $dev`
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func (h *Handle) DevlinkGetDeviceInfoByName(Bus string, Device string, getInfoMsg devlinkInfoGetter) (*DevlinkDeviceInfo, error) {
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info, err := h.DevlinkGetDeviceInfoByNameAsMap(Bus, Device, getInfoMsg)
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if err != nil {
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return nil, err
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}
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return parseInfoData(info), nil
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}
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// DevlinkGetDeviceInfoByName returns devlink info for selected device,
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// otherwise returns an error code.
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// Equivalent to: `devlink dev info $dev`
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func DevlinkGetDeviceInfoByName(Bus string, Device string) (*DevlinkDeviceInfo, error) {
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return pkgHandle.DevlinkGetDeviceInfoByName(Bus, Device, pkgHandle.getDevlinkInfoMsg)
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}
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// DevlinkGetDeviceInfoByNameAsMap returns devlink info for selected device as a map,
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// otherwise returns an error code.
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// Equivalent to: `devlink dev info $dev`
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func (h *Handle) DevlinkGetDeviceInfoByNameAsMap(Bus string, Device string, getInfoMsg devlinkInfoGetter) (map[string]string, error) {
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response, err := getInfoMsg(Bus, Device)
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if err != nil {
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return nil, err
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}
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info, err := parseInfoMsg(response)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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// DevlinkGetDeviceInfoByNameAsMap returns devlink info for selected device as a map,
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// otherwise returns an error code.
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// Equivalent to: `devlink dev info $dev`
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func DevlinkGetDeviceInfoByNameAsMap(Bus string, Device string) (map[string]string, error) {
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return pkgHandle.DevlinkGetDeviceInfoByNameAsMap(Bus, Device, pkgHandle.getDevlinkInfoMsg)
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}
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// GetDevlinkInfo returns devlink info for target device,
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// otherwise returns an error code.
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func (d *DevlinkDevice) GetDevlinkInfo() (*DevlinkDeviceInfo, error) {
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return pkgHandle.DevlinkGetDeviceInfoByName(d.BusName, d.DeviceName, pkgHandle.getDevlinkInfoMsg)
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}
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// GetDevlinkInfoAsMap returns devlink info for target device as a map,
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// otherwise returns an error code.
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func (d *DevlinkDevice) GetDevlinkInfoAsMap() (map[string]string, error) {
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return pkgHandle.DevlinkGetDeviceInfoByNameAsMap(d.BusName, d.DeviceName, pkgHandle.getDevlinkInfoMsg)
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}
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func (h *Handle) getDevlinkInfoMsg(bus, device string) ([]byte, error) {
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_, req, err := h.createCmdReq(nl.DEVLINK_CMD_INFO_GET, bus, device)
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if err != nil {
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return nil, err
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}
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response, err := req.Execute(unix.NETLINK_GENERIC, 0)
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if err != nil {
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return nil, err
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}
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if len(response) < 1 {
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return nil, fmt.Errorf("getDevlinkInfoMsg: message too short")
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}
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return response[0], nil
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}
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func parseInfoMsg(msg []byte) (map[string]string, error) {
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if len(msg) < nl.SizeofGenlmsg {
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return nil, fmt.Errorf("parseInfoMsg: message too short")
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}
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info := make(map[string]string)
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err := collectInfoData(msg[nl.SizeofGenlmsg:], info)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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func collectInfoData(msg []byte, data map[string]string) error {
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attrs, err := nl.ParseRouteAttr(msg)
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if err != nil {
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return err
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}
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for _, attr := range attrs {
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switch attr.Attr.Type {
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case nl.DEVLINK_ATTR_INFO_DRIVER_NAME:
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data["driver"] = parseInfoValue(attr.Value)
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case nl.DEVLINK_ATTR_INFO_SERIAL_NUMBER:
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data["serialNumber"] = parseInfoValue(attr.Value)
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case nl.DEVLINK_ATTR_INFO_VERSION_RUNNING, nl.DEVLINK_ATTR_INFO_VERSION_FIXED,
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nl.DEVLINK_ATTR_INFO_VERSION_STORED:
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key, value, err := getNestedInfoData(attr.Value)
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if err != nil {
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return err
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}
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data[key] = value
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}
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}
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if len(data) == 0 {
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return fmt.Errorf("collectInfoData: could not read attributes")
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}
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return nil
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}
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func getNestedInfoData(msg []byte) (string, string, error) {
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nestedAttrs, err := nl.ParseRouteAttr(msg)
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var key, value string
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if err != nil {
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return "", "", err
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}
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if len(nestedAttrs) != 2 {
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return "", "", fmt.Errorf("getNestedInfoData: too few attributes in nested structure")
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}
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for _, nestedAttr := range nestedAttrs {
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switch nestedAttr.Attr.Type {
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case nl.DEVLINK_ATTR_INFO_VERSION_NAME:
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key = parseInfoValue(nestedAttr.Value)
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case nl.DEVLINK_ATTR_INFO_VERSION_VALUE:
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value = parseInfoValue(nestedAttr.Value)
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}
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}
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if key == "" {
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return "", "", fmt.Errorf("getNestedInfoData: key not found")
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}
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if value == "" {
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return "", "", fmt.Errorf("getNestedInfoData: value not found")
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}
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return key, value, nil
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}
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func parseInfoData(data map[string]string) *DevlinkDeviceInfo {
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info := new(DevlinkDeviceInfo)
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for key, value := range data {
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switch key {
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case "driver":
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info.Driver = value
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case "serialNumber":
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info.SerialNumber = value
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case "board.id":
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info.BoardID = value
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case "fw.app":
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info.FwApp = value
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case "fw.app.bundle_id":
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info.FwAppBoundleID = value
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case "fw.app.name":
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info.FwAppName = value
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case "fw.bundle_id":
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info.FwBoundleID = value
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case "fw.mgmt":
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info.FwMgmt = value
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case "fw.mgmt.api":
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info.FwMgmtAPI = value
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case "fw.mgmt.build":
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info.FwMgmtBuild = value
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case "fw.netlist":
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info.FwNetlist = value
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case "fw.netlist.build":
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info.FwNetlistBuild = value
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case "fw.psid.api":
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info.FwPsidAPI = value
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case "fw.undi":
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info.FwUndi = value
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}
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}
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return info
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}
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func parseInfoValue(value []byte) string {
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v := strings.ReplaceAll(string(value), "\x00", "")
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return strings.TrimSpace(v)
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}
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112
devlink_test.go
112
devlink_test.go
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@ -150,3 +150,115 @@ func init() {
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flag.StringVar(&device, "device", "", "devlink device devicename")
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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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flag.UintVar(&sfnum, "sfnum", 0, "devlink port sfnumber")
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}
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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",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func areInfoStructsEqual(first *DevlinkDeviceInfo, second *DevlinkDeviceInfo) bool {
|
||||||
|
if first.FwApp != second.FwApp || first.FwAppBoundleID != second.FwAppBoundleID ||
|
||||||
|
first.FwAppName != second.FwAppName || first.FwBoundleID != second.FwBoundleID ||
|
||||||
|
first.FwMgmt != second.FwMgmt || first.FwMgmtAPI != second.FwMgmtAPI ||
|
||||||
|
first.FwMgmtBuild != second.FwMgmtBuild || first.FwNetlist != second.FwNetlist ||
|
||||||
|
first.FwNetlistBuild != second.FwNetlistBuild || first.FwPsidAPI != second.FwPsidAPI ||
|
||||||
|
first.BoardID != second.BoardID || first.FwUndi != second.FwUndi ||
|
||||||
|
first.Driver != second.Driver || first.SerialNumber != second.SerialNumber {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
|
|
||||||
|
|
@ -16,6 +16,7 @@ const (
|
||||||
DEVLINK_CMD_PORT_DEL = 8
|
DEVLINK_CMD_PORT_DEL = 8
|
||||||
DEVLINK_CMD_ESWITCH_GET = 29
|
DEVLINK_CMD_ESWITCH_GET = 29
|
||||||
DEVLINK_CMD_ESWITCH_SET = 30
|
DEVLINK_CMD_ESWITCH_SET = 30
|
||||||
|
DEVLINK_CMD_INFO_GET = 51
|
||||||
)
|
)
|
||||||
|
|
||||||
const (
|
const (
|
||||||
|
|
@ -30,6 +31,13 @@ const (
|
||||||
DEVLINK_ATTR_ESWITCH_INLINE_MODE = 26
|
DEVLINK_ATTR_ESWITCH_INLINE_MODE = 26
|
||||||
DEVLINK_ATTR_ESWITCH_ENCAP_MODE = 62
|
DEVLINK_ATTR_ESWITCH_ENCAP_MODE = 62
|
||||||
DEVLINK_ATTR_PORT_FLAVOUR = 77
|
DEVLINK_ATTR_PORT_FLAVOUR = 77
|
||||||
|
DEVLINK_ATTR_INFO_DRIVER_NAME = 98
|
||||||
|
DEVLINK_ATTR_INFO_SERIAL_NUMBER = 99
|
||||||
|
DEVLINK_ATTR_INFO_VERSION_FIXED = 100
|
||||||
|
DEVLINK_ATTR_INFO_VERSION_RUNNING = 101
|
||||||
|
DEVLINK_ATTR_INFO_VERSION_STORED = 102
|
||||||
|
DEVLINK_ATTR_INFO_VERSION_NAME = 103
|
||||||
|
DEVLINK_ATTR_INFO_VERSION_VALUE = 104
|
||||||
DEVLINK_ATTR_PORT_PCI_PF_NUMBER = 127
|
DEVLINK_ATTR_PORT_PCI_PF_NUMBER = 127
|
||||||
DEVLINK_ATTR_PORT_FUNCTION = 145
|
DEVLINK_ATTR_PORT_FUNCTION = 145
|
||||||
DEVLINK_ATTR_PORT_CONTROLLER_NUMBER = 150
|
DEVLINK_ATTR_PORT_CONTROLLER_NUMBER = 150
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue