Add DevlinkSplitPort, DevlinkUnsplitPort

Author: Charlie999

devlink_linux.go

@@ -818,6 +818,43 @@ func DevlinkGetDeviceParamByName(bus string, device string, param string) (*Devl
 	return pkgHandle.DevlinkGetDeviceParamByName(bus, device, param)
 }
 
+// DevlinkSplitPort splits a devlink port.
+// Equivalent to: devlink port split <bus>/<device>/<index> count N
+func (h *Handle) DevlinkSplitPort(port *DevlinkPort, count uint32) error {
+	_, req, err := h.createCmdReq(nl.DEVLINK_CMD_PORT_SPLIT, port.BusName, port.DeviceName)
+	if err != nil {
+		return err
+	}
+
+	req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_INDEX, nl.Uint32Attr(port.PortIndex)))
+	req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_SPLIT_COUNT, nl.Uint32Attr(count)))
+
+	_, err = req.Execute(unix.NETLINK_GENERIC, 0)
+	return err
+}
+
+func DevlinkSplitPort(port *DevlinkPort, count uint32) error {
+	return pkgHandle.DevlinkSplitPort(port, count);
+}
+
+// DevlinkUnsplitPort: unsplit devlink port
+// Equivalent to devlink port unsplit <bus>/<device>/<index>
+func (h *Handle) DevlinkUnsplitPort(port *DevlinkPort) error {
+	_, req, err := h.createCmdReq(nl.DEVLINK_CMD_PORT_UNSPLIT, port.BusName, port.DeviceName)
+	if err != nil {
+		return err
+	}
+
+	req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_INDEX, nl.Uint32Attr(port.PortIndex)))
+
+	_, err = req.Execute(unix.NETLINK_GENERIC, 0)
+	return err
+}
+
+func DevlinkUnsplitPort(port *DevlinkPort) error {
+	return pkgHandle.DevlinkUnsplitPort(port);
+}
+
 // DevlinkSetDeviceParam set specific parameter for devlink device
 // Equivalent to: `devlink dev param set <bus>/<device> name <param> cmode <cmode> value <value>`
 // cmode argument should contain valid cmode value as uint8, modes are define in nl.DEVLINK_PARAM_CMODE_* constants

nl/devlink_linux.go

@@ -14,6 +14,8 @@ const (
 	DEVLINK_CMD_PORT_SET      = 6
 	DEVLINK_CMD_PORT_NEW      = 7
 	DEVLINK_CMD_PORT_DEL      = 8
+	DEVLINK_CMD_PORT_SPLIT    = 9
+	DEVLINK_CMD_PORT_UNSPLIT  = 10
 	DEVLINK_CMD_ESWITCH_GET   = 29
 	DEVLINK_CMD_ESWITCH_SET   = 30
 	DEVLINK_CMD_RESOURCE_DUMP = 36
@@ -30,6 +32,7 @@ const (
 	DEVLINK_ATTR_PORT_NETDEV_IFINDEX        = 6
 	DEVLINK_ATTR_PORT_NETDEV_NAME           = 7
 	DEVLINK_ATTR_PORT_IBDEV_NAME            = 8
+	DEVLINK_ATTR_PORT_SPLIT_COUNT           = 9
 	DEVLINK_ATTR_ESWITCH_MODE               = 25
 	DEVLINK_ATTR_ESWITCH_INLINE_MODE        = 26
 	DEVLINK_ATTR_ESWITCH_ENCAP_MODE         = 62